From c0560b0598f1284b31a8c1221dc61ec683487f31 Mon Sep 17 00:00:00 2001 From: KingKDot Date: Wed, 19 Aug 2026 17:57:55 -0500 Subject: [PATCH] obfuscation --- BackstageInjection-Rust/Cargo.lock | 97 +- BackstageInjection-Rust/Cargo.toml | 5 +- BackstageInjection-Rust/build.rs | 26 + BackstageInjection-Rust/src/config.rs | 13 +- BackstageInjection-Rust/src/hooks.rs | 134 ++- BackstageInjection-Rust/src/inject.rs | 24 +- BackstageInjection-Rust/src/lib.rs | 1 + BackstageInjection-Rust/src/log.rs | 43 +- BackstageInjection-Rust/src/obf.rs | 116 +++ BackstageInjection-Rust/src/obf.rs.bak | 113 +++ BackstageInjection-Rust/src/util.rs | 11 +- .../vendor/minhook/include/MinHook.h | 182 ++++ .../vendor/minhook/src/buffer.c | 312 ++++++ .../vendor/minhook/src/buffer.h | 42 + .../vendor/minhook/src/hde/hde32.c | 324 +++++++ .../vendor/minhook/src/hde/hde32.h | 105 ++ .../vendor/minhook/src/hde/hde64.c | 335 +++++++ .../vendor/minhook/src/hde/hde64.h | 112 +++ .../vendor/minhook/src/hde/pstdint.h | 39 + .../vendor/minhook/src/hde/table32.h | 73 ++ .../vendor/minhook/src/hde/table64.h | 74 ++ .../vendor/minhook/src/hook.c | 910 ++++++++++++++++++ .../vendor/minhook/src/trampoline.c | 320 ++++++ .../vendor/minhook/src/trampoline.h | 105 ++ 24 files changed, 3328 insertions(+), 188 deletions(-) create mode 100644 BackstageInjection-Rust/build.rs create mode 100644 BackstageInjection-Rust/src/obf.rs create mode 100644 BackstageInjection-Rust/src/obf.rs.bak create mode 100644 BackstageInjection-Rust/vendor/minhook/include/MinHook.h create mode 100644 BackstageInjection-Rust/vendor/minhook/src/buffer.c create mode 100644 BackstageInjection-Rust/vendor/minhook/src/buffer.h create mode 100644 BackstageInjection-Rust/vendor/minhook/src/hde/hde32.c create mode 100644 BackstageInjection-Rust/vendor/minhook/src/hde/hde32.h create mode 100644 BackstageInjection-Rust/vendor/minhook/src/hde/hde64.c create mode 100644 BackstageInjection-Rust/vendor/minhook/src/hde/hde64.h create mode 100644 BackstageInjection-Rust/vendor/minhook/src/hde/pstdint.h create mode 100644 BackstageInjection-Rust/vendor/minhook/src/hde/table32.h create mode 100644 BackstageInjection-Rust/vendor/minhook/src/hde/table64.h create mode 100644 BackstageInjection-Rust/vendor/minhook/src/hook.c create mode 100644 BackstageInjection-Rust/vendor/minhook/src/trampoline.c create mode 100644 BackstageInjection-Rust/vendor/minhook/src/trampoline.h diff --git a/BackstageInjection-Rust/Cargo.lock b/BackstageInjection-Rust/Cargo.lock index bc0f389..6762a52 100644 --- a/BackstageInjection-Rust/Cargo.lock +++ b/BackstageInjection-Rust/Cargo.lock @@ -6,7 +6,7 @@ version = 4 name = "backstage-injection-rs" version = "0.1.0" dependencies = [ - "minhook", + "cc", ] [[package]] @@ -25,103 +25,8 @@ version = "0.1.11" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "d45db016d36b838f563236e9193d0ee6ce38f3f68b6c94e914b4929c96bbb890" -[[package]] -name = "log" -version = "0.4.33" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "0ceec5bc11778974d1bcb055b18002eba7f4b3518b6a0081b3af5f21666da9ad" - -[[package]] -name = "minhook" -version = "0.9.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "455e088cb1600ffa5f1524c9702c9eeb0ba3604e0f4932efa165b99973272a8d" -dependencies = [ - "cc", - "tracing", -] - -[[package]] -name = "once_cell" -version = "1.21.4" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "9f7c3e4beb33f85d45ae3e3a1792185706c8e16d043238c593331cc7cd313b50" - -[[package]] -name = "pin-project-lite" -version = "0.2.17" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "a89322df9ebe1c1578d689c92318e070967d1042b512afbe49518723f4e6d5cd" - -[[package]] -name = "proc-macro2" -version = "1.0.107" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "985e7ec9bb745e6ce6535b544d84d6cd6f7ad8bd711c398938ae983b91a766d9" -dependencies = [ - "unicode-ident", -] - -[[package]] -name = "quote" -version = "1.0.47" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "1fbf4db142a473a8d80c26bbf18454ed458bf8d26c8219c331daecfdbd079001" -dependencies = [ - "proc-macro2", -] - [[package]] name = "shlex" version = "2.0.1" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "f8fadd59c855ef2080decdef8ff161eb6661b86933c9d82e5ba29dc602a55aba" - -[[package]] -name = "syn" -version = "2.0.119" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "872831b642d1a07999a962a351ed35b955ea2cfc8f3862091e2a240a84f17297" -dependencies = [ - "proc-macro2", - "quote", - "unicode-ident", -] - -[[package]] -name = "tracing" -version = "0.1.44" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "63e71662fa4b2a2c3a26f570f037eb95bb1f85397f3cd8076caed2f026a6d100" -dependencies = [ - "log", - "pin-project-lite", - "tracing-attributes", - "tracing-core", -] - -[[package]] -name = "tracing-attributes" -version = "0.1.31" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "7490cfa5ec963746568740651ac6781f701c9c5ea257c58e057f3ba8cf69e8da" -dependencies = [ - "proc-macro2", - "quote", - "syn", -] - -[[package]] -name = "tracing-core" -version = "0.1.36" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "db97caf9d906fbde555dd62fa95ddba9eecfd14cb388e4f491a66d74cd5fb79a" -dependencies = [ - "once_cell", -] - -[[package]] -name = "unicode-ident" -version = "1.0.24" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "e6e4313cd5fcd3dad5cafa179702e2b244f760991f45397d14d4ebf38247da75" diff --git a/BackstageInjection-Rust/Cargo.toml b/BackstageInjection-Rust/Cargo.toml index 4cb81b5..5e9ef6f 100644 --- a/BackstageInjection-Rust/Cargo.toml +++ b/BackstageInjection-Rust/Cargo.toml @@ -2,13 +2,14 @@ name = "backstage-injection-rs" version = "0.1.0" edition = "2021" +build = "build.rs" [lib] name = "BackstageInjection" crate-type = ["cdylib"] -[dependencies] -minhook = "0.9.0" +[build-dependencies] +cc = "1" [profile.release] opt-level = 3 diff --git a/BackstageInjection-Rust/build.rs b/BackstageInjection-Rust/build.rs new file mode 100644 index 0000000..2fb4e33 --- /dev/null +++ b/BackstageInjection-Rust/build.rs @@ -0,0 +1,26 @@ +fn main() { + let root_dir = std::env::var("CARGO_MANIFEST_DIR").unwrap(); + let mh_dir = std::path::Path::new(&root_dir).join("vendor/minhook"); + let mh_src = mh_dir.join("src"); + let target = std::env::var("TARGET").unwrap(); + let arch = target.splitn(4, '-').next().unwrap(); + + let hde = if arch == "i686" { + "hde/hde32.c" + } else if arch == "x86_64" { + "hde/hde64.c" + } else { + panic!("unsupported arch {arch}"); + }; + + cc::Build::new() + .flag("-ffunction-sections") + .flag("-fdata-sections") + .file(mh_src.join("buffer.c")) + .file(mh_src.join("hook.c")) + .file(mh_src.join("trampoline.c")) + .file(mh_src.join(hde)) + .compile("libminhook.a"); + + println!("cargo:rerun-if-changed=vendor/minhook"); +} \ No newline at end of file diff --git a/BackstageInjection-Rust/src/config.rs b/BackstageInjection-Rust/src/config.rs index a726ae1..53989a2 100644 --- a/BackstageInjection-Rust/src/config.rs +++ b/BackstageInjection-Rust/src/config.rs @@ -1,6 +1,7 @@ //! Redirect configuration read from environment variables on attach. use crate::abi::GetEnvironmentVariableW; +use crate::{obf16}; const ENV_BUFFER_WCHARS: u32 = 2048; @@ -10,20 +11,14 @@ pub struct HookConfig { pub replace: Vec, } -const RDI_SEARCH_PATH: &str = "RDI_SEARCH_PATH"; -const RDI_REPLACE_PATH: &str = "RDI_REPLACE_PATH"; -pub const RDI_DLL_SECTION: &str = "RDI_DLL_SECTION"; -pub const RDI_DLL_SIZE: &str = "RDI_DLL_SIZE"; - pub fn load() -> HookConfig { HookConfig { - search: read_env(RDI_SEARCH_PATH), - replace: read_env(RDI_REPLACE_PATH), + search: read_env(&obf16!(b"RDI_SEARCH_PATH")), + replace: read_env(&obf16!(b"RDI_REPLACE_PATH")), } } -pub fn read_env(name: &str) -> Vec { - let name = name.encode_utf16().chain(core::iter::once(0)).collect::>(); +pub fn read_env(name: &[u16]) -> Vec { let mut buf = [0u16; ENV_BUFFER_WCHARS as usize]; unsafe { let len = GetEnvironmentVariableW(name.as_ptr(), buf.as_mut_ptr(), ENV_BUFFER_WCHARS); diff --git a/BackstageInjection-Rust/src/hooks.rs b/BackstageInjection-Rust/src/hooks.rs index ff70cd5..c1b342b 100644 --- a/BackstageInjection-Rust/src/hooks.rs +++ b/BackstageInjection-Rust/src/hooks.rs @@ -5,7 +5,46 @@ use std::slice; use std::sync::atomic::{AtomicBool, AtomicUsize, Ordering}; use std::sync::OnceLock; -use minhook::MinHook; +mod mh { + //! Thin FFI over the linked MinHook C engine. We bypass the `minhook` + //! crate's wrapper type so its panic/format strings are never emitted. + + use core::ffi::{c_int, c_void}; + + pub const OK: c_int = 0; + const ALL_HOOKS: *mut c_void = -1isize as *mut c_void; + + unsafe extern "system" { + fn MH_Initialize() -> c_int; + fn MH_CreateHook(target: *mut c_void, detour: *mut c_void, original: *mut *mut c_void) + -> c_int; + fn MH_EnableHook(target: *mut c_void) -> c_int; + fn MH_RemoveHook(target: *mut c_void) -> c_int; + fn MH_DisableHook(target: *mut c_void) -> c_int; + } + + pub fn init() { + let _ = unsafe { MH_Initialize() }; + } + + pub fn disable_all() { + let _ = unsafe { MH_DisableHook(ALL_HOOKS) }; + } + + pub fn create_hook(target: *mut c_void, detour: *mut c_void) -> (c_int, *mut c_void) { + let mut original: *mut c_void = core::ptr::null_mut(); + let status = unsafe { MH_CreateHook(target, detour, &mut original) }; + (status, original) + } + + pub fn enable_hook(target: *mut c_void) -> c_int { + unsafe { MH_EnableHook(target) } + } + + pub fn remove_hook(target: *mut c_void) { + let _ = unsafe { MH_RemoveHook(target) }; + } +} use crate::abi::{ self, CreateProcessWFn, IoStatusBlock, NtCreateFileFn, NtDeleteFileFn, NtOpenFileFn, @@ -15,7 +54,7 @@ use crate::abi::{ use crate::config::HookConfig; use crate::inject; use crate::util::{self, UNICODE_STRING_MAX_WCHARS}; -use crate::dbg_log; +use crate::{dbg_log, obf, obf16}; static HOOKS_CONFIG: OnceLock = OnceLock::new(); @@ -374,7 +413,7 @@ pub extern "system" fn detour_create_process_w( let child_pid = unsafe { (*lp_process_information).dwProcessId }; if !HOOKS_INITIALIZED.load(Ordering::SeqCst) { dbg_log!( - "CreateProcessW child pid={child_pid} created but hooks NOT active — skipping injection" + "cpr child pid={child_pid} created but hooks NOT active — skipping injection" ); } else { let h_process = unsafe { (*lp_process_information).hProcess }; @@ -382,17 +421,17 @@ pub extern "system" fn detour_create_process_w( unsafe { inject::inject_reflective(h_process, bytes) } } else if let Some(path) = inject::our_path() { if path.is_empty() { - dbg_log!("CreateProcessW child pid={child_pid} injection skipped: our_path empty"); + dbg_log!("cpr child pid={child_pid} injection skipped: our_path empty"); false } else { unsafe { inject::inject_library(h_process, path) } } } else { - dbg_log!("CreateProcessW child pid={child_pid} injection skipped: no dll bytes or path"); + dbg_log!("cpr child pid={child_pid} injection skipped: no dll bytes or path"); false }; dbg_log!( - "CreateProcessW child pid={child_pid} app='{}' inject={injected} mode={} suspended_forced={}", + "cpr child pid={child_pid} app='{}' inject={injected} mode={} suspended_forced={}", display_cmd(lp_application_name, lp_command_line), if inject::dll_bytes().is_some() { "reflective" } else { "loadlibrary" }, !was_suspended, @@ -405,7 +444,7 @@ pub extern "system" fn detour_create_process_w( } } else { dbg_log!( - "CreateProcessW failed or no proc info (result={result}) — no injection" + "cpr failed or no proc info (result={result}) — no injection" ); } @@ -447,30 +486,27 @@ fn install_one( ); return false; } - match unsafe { MinHook::create_hook(target as *mut c_void, detour as *mut c_void) } { - Ok(orig) => match unsafe { MinHook::enable_hook(target as *mut c_void) } { - Ok(()) => { - store.store(orig as usize, Ordering::SeqCst); - true - } - Err(why) => { - let _ = unsafe { MinHook::remove_hook(target as *mut c_void) }; - dbg_log!( - "hook enable failed for '{}': {:?}", - String::from_utf8_lossy(&proc_name[..proc_name.len().saturating_sub(1)]), - why - ); - false - } - }, - Err(why) => { - dbg_log!( - "hook create failed for '{}': {:?}", - String::from_utf8_lossy(&proc_name[..proc_name.len().saturating_sub(1)]), - why - ); - false - } + let (status, orig) = mh::create_hook(target as *mut c_void, detour as *mut c_void); + if status != mh::OK { + dbg_log!( + "hook create failed for '{}': status={}", + String::from_utf8_lossy(&proc_name[..proc_name.len().saturating_sub(1)]), + status + ); + return false; + } + let status = mh::enable_hook(target as *mut c_void); + if status == mh::OK { + store.store(orig as usize, Ordering::SeqCst); + true + } else { + mh::remove_hook(target as *mut c_void); + dbg_log!( + "hook enable failed for '{}': status={}", + String::from_utf8_lossy(&proc_name[..proc_name.len().saturating_sub(1)]), + status + ); + false } } @@ -483,32 +519,30 @@ pub fn install(cfg: HookConfig) { redirect_on, ); let _ = HOOKS_CONFIG.set(cfg); + mh::init(); - let ntdll = util::wide_zstr("ntdll.dll"); - let kernel32 = util::wide_zstr("kernel32.dll"); + let ntdll = obf16!(b"ntdll.dll"); + let kernel32 = obf16!(b"kernel32.dll"); - let create = install_one(&ntdll, b"NtCreateFile\0", detour_nt_create_file as *const () as usize, &ORIG_NT_CREATE_FILE); - let open = install_one(&ntdll, b"NtOpenFile\0", detour_nt_open_file as *const () as usize, &ORIG_NT_OPEN_FILE); - let delete = install_one(&ntdll, b"NtDeleteFile\0", detour_nt_delete_file as *const () as usize, &ORIG_NT_DELETE_FILE); - let set_info = install_one(&ntdll, b"NtSetInformationFile\0", detour_nt_set_information_file as *const () as usize, &ORIG_NT_SET_INFORMATION_FILE); - let query_attrs = install_one(&ntdll, b"NtQueryAttributesFile\0", detour_nt_query_attributes_file as *const () as usize, &ORIG_NT_QUERY_ATTRIBUTES_FILE); - let query_full = install_one(&ntdll, b"NtQueryFullAttributesFile\0", detour_nt_query_full_attributes_file as *const () as usize, &ORIG_NT_QUERY_FULL_ATTRIBUTES_FILE); - let cpr = install_one(&kernel32, b"CreateProcessW\0", detour_create_process_w as *const () as usize, &ORIG_CREATE_PROCESS_W); + let create = install_one(&ntdll, &obf!(b"NtCreateFile"), detour_nt_create_file as *const () as usize, &ORIG_NT_CREATE_FILE); + let open = install_one(&ntdll, &obf!(b"NtOpenFile"), detour_nt_open_file as *const () as usize, &ORIG_NT_OPEN_FILE); + let delete = install_one(&ntdll, &obf!(b"NtDeleteFile"), detour_nt_delete_file as *const () as usize, &ORIG_NT_DELETE_FILE); + let set_info = install_one(&ntdll, &obf!(b"NtSetInformationFile"), detour_nt_set_information_file as *const () as usize, &ORIG_NT_SET_INFORMATION_FILE); + let query_attrs = install_one(&ntdll, &obf!(b"NtQueryAttributesFile"), detour_nt_query_attributes_file as *const () as usize, &ORIG_NT_QUERY_ATTRIBUTES_FILE); + let query_full = install_one(&ntdll, &obf!(b"NtQueryFullAttributesFile"), detour_nt_query_full_attributes_file as *const () as usize, &ORIG_NT_QUERY_FULL_ATTRIBUTES_FILE); + let cpr = install_one(&kernel32, &obf!(b"CreateProcessW"), detour_create_process_w as *const () as usize, &ORIG_CREATE_PROCESS_W); let _ = (delete, set_info, query_attrs, query_full); - dbg_log!( - "install: NtCreateFile={} NtOpenFile={} NtDeleteFile={} NtSetInformationFile={} NtQueryAttributesFile={} NtQueryFullAttributesFile={} CreateProcessW={}", - create, open, delete, set_info, query_attrs, query_full, cpr, - ); +dbg_log!("install: f0={} f1={} f2={} f3={} f4={} f5={} f6={}", + create, open, delete, set_info, query_attrs, query_full, cpr, + ); if create && open { HOOKS_INITIALIZED.store(true, Ordering::SeqCst); - dbg_log!("install: hooks active (both NtCreateFile and NtOpenFile live)"); + dbg_log!("install: hooks active (both create and open live)"); } else { - unsafe { - let _ = MinHook::disable_all_hooks(); - } + mh::disable_all(); ORIG_NT_CREATE_FILE.store(0, Ordering::SeqCst); ORIG_NT_OPEN_FILE.store(0, Ordering::SeqCst); ORIG_NT_DELETE_FILE.store(0, Ordering::SeqCst); @@ -521,9 +555,7 @@ pub fn install(cfg: HookConfig) { } pub fn remove() { - unsafe { - let _ = MinHook::disable_all_hooks(); - } + mh::disable_all(); unsafe { abi::Sleep(50); } diff --git a/BackstageInjection-Rust/src/inject.rs b/BackstageInjection-Rust/src/inject.rs index af0070c..556a845 100644 --- a/BackstageInjection-Rust/src/inject.rs +++ b/BackstageInjection-Rust/src/inject.rs @@ -14,6 +14,7 @@ use std::sync::OnceLock; use crate::abi::{self, GetModuleFileNameW}; use crate::dbg_log; +use crate::{obf, obf16}; static OUR_PATH: OnceLock> = OnceLock::new(); static DLL_BYTES: OnceLock> = OnceLock::new(); @@ -51,23 +52,23 @@ fn dll_path_from_hinst(h_instance: usize) -> Vec { /// DLL bytes out of it. Returns None (without touching the section) when the /// parent did not provide it — the loadlibrary-mode disk fallback then applies. pub unsafe fn load_dll_bytes_from_section() -> Option> { - let name = crate::config::read_env(crate::config::RDI_DLL_SECTION); - let size_raw = crate::config::read_env(crate::config::RDI_DLL_SIZE); + let name = crate::config::read_env(&obf16!(b"RDI_DLL_SECTION")); + let size_raw = crate::config::read_env(&obf16!(b"RDI_DLL_SIZE")); if name.is_empty() || size_raw.is_empty() { - dbg_log!("section: no RDI_DLL_SECTION/RDI_DLL_SIZE env — reflective child inject disabled"); + dbg_log!("section: no section env — reflective child inject disabled"); return None; } let mut size: usize = 0; for &c in &size_raw { if !(0x30..=0x39).contains(&c) { - dbg_log!("section: RDI_DLL_SIZE not ASCII digits — reflective child inject disabled"); + dbg_log!("section: size not ASCII digits — reflective child inject disabled"); return None; } size = size.saturating_mul(10).saturating_add((c - 0x30) as usize); } if size == 0 { - dbg_log!("section: RDI_DLL_SIZE is 0 — reflective child inject disabled"); + dbg_log!("section: size is 0 — reflective child inject disabled"); return None; } @@ -152,7 +153,8 @@ fn find_reflective_loader_offset(pe: &[u8]) -> Option { let funcs_off = rva_to_file_offset(funcs_rva, pe, section_off, num_sections)? as usize; let ordinals_off = rva_to_file_offset(ordinals_rva, pe, section_off, num_sections)? as usize; - let find_name = b"ReflectiveLoader"; + let find_buf = obf!(b"ReflectiveLoader"); + let find_name = &find_buf[..find_buf.len() - 1]; for i in 0..num_names as usize { let name_ent = names_off + i * 4; if name_ent + 4 > pe.len() { @@ -216,7 +218,7 @@ fn rva_to_file_offset(rva: u32, pe: &[u8], section_off: usize, num_sections: u16 /// Returns false on any failure; callers treat failure as fail-open. pub unsafe fn inject_reflective(process: usize, bytes: &[u8]) -> bool { let Some(loader_offset) = find_reflective_loader_offset(bytes) else { - dbg_log!("inject-reflective: ReflectiveLoader export not found in DLL bytes"); + dbg_log!("inject-reflective: loader export not found in DLL bytes"); return false; }; dbg_log!("inject-reflective: loader offset=0x{loader_offset:x} size={}", bytes.len()); @@ -288,15 +290,15 @@ pub unsafe fn inject_library(process: usize, path: &[u16]) -> bool { return false; } - let kernel32 = crate::util::wide_zstr("kernel32.dll"); + let kernel32 = obf16!(b"kernel32.dll"); let k32 = unsafe { abi::GetModuleHandleW(kernel32.as_ptr()) }; if k32 == 0 { - dbg_log!("inject: kernel32 not loaded — abort"); + dbg_log!("inject: system dll not loaded — abort"); return false; } - let load_library_w = unsafe { abi::GetProcAddress(k32, c"LoadLibraryW".as_ptr().cast()) }; + let load_library_w = unsafe { abi::GetProcAddress(k32, obf!(b"LoadLibraryW").as_ptr()) }; if load_library_w == 0 { - dbg_log!("inject: LoadLibraryW not found — abort"); + dbg_log!("inject: load-fn not found — abort"); return false; } diff --git a/BackstageInjection-Rust/src/lib.rs b/BackstageInjection-Rust/src/lib.rs index 260b4f9..926f79e 100644 --- a/BackstageInjection-Rust/src/lib.rs +++ b/BackstageInjection-Rust/src/lib.rs @@ -18,6 +18,7 @@ #![allow(clippy::missing_safety_doc)] #![allow(non_snake_case)] +mod obf; mod abi; mod config; mod hooks; diff --git a/BackstageInjection-Rust/src/log.rs b/BackstageInjection-Rust/src/log.rs index f66df11..c9b0553 100644 --- a/BackstageInjection-Rust/src/log.rs +++ b/BackstageInjection-Rust/src/log.rs @@ -12,12 +12,13 @@ use std::sync::atomic::{AtomicBool, Ordering}; use std::sync::{Mutex, OnceLock}; use crate::abi; +use crate::{obf16}; static DEBUG_ENABLED: AtomicBool = AtomicBool::new(false); static LOG_HANDLE: OnceLock>> = OnceLock::new(); pub fn init_from_env() { - let name = crate::util::wide_zstr("BackstageInjectionDebug"); + let name = obf16!(b"BackstageInjectionDebug"); let mut buf = [0u16; 8]; unsafe { let len = abi::GetEnvironmentVariableW(name.as_ptr(), buf.as_mut_ptr(), buf.len() as u32); @@ -102,28 +103,48 @@ fn open_log() -> Option { } fn log_paths() -> Option<(Vec, Vec, Vec)> { - let env_name = crate::util::wide_zstr("TEMP"); + let env_name = obf16!(b"TEMP"); let mut temp = [0u16; 32768]; unsafe { let len = abi::GetEnvironmentVariableW(env_name.as_ptr(), temp.as_mut_ptr(), temp.len() as u32); if len == 0 || len >= temp.len() as u32 { return None; } + let prefix = &temp[..len as usize]; + let base = concat_z(prefix, &obf16!(b"\\Overlord")); + let dir = concat_z(prefix, &obf16!(b"\\Overlord\\backstage")); let pid = abi::GetCurrentProcessId(); - let base = concat_z(&temp[..len as usize], "\\Overlord"); - let dir = concat_z(&temp[..len as usize], "\\Overlord\\backstage"); - let file = concat_z( - &temp[..len as usize], - &format!("\\Overlord\\backstage\\BackstageInjection-debug-{pid}.log"), - ); + let mut file = prefix.to_vec(); + file.extend_from_slice(&obf16!(b"\\Overlord\\backstage\\BackstageInjection-debug-")); + append_pid(&mut file, pid); + file.extend_from_slice(&obf16!(b".log")); + file.push(0); Some((base, dir, file)) } } -fn concat_z(prefix: &[u16], suffix: &str) -> Vec { - let mut v = Vec::with_capacity(prefix.len() + suffix.encode_utf16().count() + 1); +fn concat_z(prefix: &[u16], suffix: &[u16]) -> Vec { + let mut v = Vec::with_capacity(prefix.len() + suffix.len() + 1); v.extend_from_slice(prefix); - v.extend(suffix.encode_utf16()); + v.extend_from_slice(suffix); v.push(0); v +} + +fn append_pid(v: &mut Vec, mut pid: u32) { + if pid == 0 { + v.push(0x0030); // '0' + return; + } + let mut digits = [0u16; 10]; + let mut n = 0; + while pid > 0 { + digits[n] = 0x0030 + (pid % 10) as u16; + pid /= 10; + n += 1; + } + while n > 0 { + n -= 1; + v.push(digits[n]); + } } \ No newline at end of file diff --git a/BackstageInjection-Rust/src/obf.rs b/BackstageInjection-Rust/src/obf.rs new file mode 100644 index 0000000..bd6b0f9 --- /dev/null +++ b/BackstageInjection-Rust/src/obf.rs @@ -0,0 +1,116 @@ +//! Build-time string obfuscation. +//! +//! `obf!` and `obf16!` XOR-encode string literals at compile time so the +//! plaintext never appears as a contiguous byte sequence in the binary's +//! `.rodata`. The runtime expansion decrypts into a fresh, NUL-terminated +//! stack buffer allocated at each call site. +//! +//! - `obf!` produces a `[u8; N]` buffer (N = length + trailing NUL). Use for +//! ANSI strings handed to `GetProcAddress` and friends. +//! - `obf16!` produces a `[u16; N]` buffer (wide). Use for module names, env +//! var names, and paths handed to `GetModuleHandleW`, +//! `GetEnvironmentVariableW`, and `CreateFileW`. +//! +//! Each decrypted byte is committed with a `write_volatile` store, and the XOR +//! key is passed through `core::hint::black_box` so LLVM cannot fold the +//! decrypt and promote the fully constant stack buffer back into `.rodata` as +//! a plaintext global string table. + +pub const XOR_KEY8: u8 = 0x3C; +pub const XOR_KEY16: u16 = 0x4D7A; + +pub const fn xor8(src: &[u8], key: u8) -> [u8; N] { + let mut out = [0u8; N]; + let n = if N < src.len() { N } else { src.len() }; + let mut i = 0; + while i < n { + out[i] = src[i] ^ key; + i += 1; + } + out +} + +pub const fn xor16(src: &[u8], key: u16) -> [u16; N] { + let mut out = [0u16; N]; + let n = if N < src.len() { N } else { src.len() }; + let mut i = 0; + while i < n { + out[i] = (src[i] as u16) ^ key; + i += 1; + } + out +} + +#[macro_export] +macro_rules! obf { + ($lit:literal) => {{ + const SRC: &[u8] = $lit; + const LEN: usize = SRC.len() + 1; + const ENC: [u8; LEN] = $crate::obf::xor8(SRC, $crate::obf::XOR_KEY8); + let k = core::hint::black_box($crate::obf::XOR_KEY8); + let mut buf = [0u8; LEN]; + let mut i = 0; + while i < LEN - 1 { + unsafe { + (buf.as_mut_ptr() as *mut u8) + .add(i) + .write_volatile(ENC[i] ^ k); + } + i += 1; + } + buf + }}; +} + +#[macro_export] +macro_rules! obf16 { + ($lit:literal) => {{ + const SRC: &[u8] = $lit; + const LEN: usize = SRC.len() + 1; + const ENC: [u16; LEN] = $crate::obf::xor16(SRC, $crate::obf::XOR_KEY16); + let k = core::hint::black_box($crate::obf::XOR_KEY16); + let mut buf = [0u16; LEN]; + let mut i = 0; + while i < LEN - 1 { + unsafe { + (buf.as_mut_ptr() as *mut u16) + .add(i) + .write_volatile(ENC[i] ^ k); + } + i += 1; + } + buf + }}; +} + +#[cfg(test)] +mod tests { + use super::{xor8, xor16, XOR_KEY8, XOR_KEY16}; + + #[test] + fn byte_roundtrip_is_nul_terminated() { + let s = obf!(b"ntdll.dll"); + assert_eq!(&s[..], b"ntdll.dll\0"); + } + + #[test] + fn byte_encoded_bytes_are_not_plaintext() { + const ENC: [u8; 10] = xor8(b"ntdll.dll", XOR_KEY8); + assert_ne!(&ENC[..9], b"ntdll.dll"); + } + + #[test] + fn wide_roundtrip_is_nul_terminated() { + let s = obf16!(b"kernel32.dll"); + let mut expect: Vec = b"kernel32.dll".iter().map(|&c| c as u16).collect(); + expect.push(0); + assert_eq!(&s[..], &expect[..]); + } + + #[test] + fn wide_encoded_bytes_are_not_plaintext() { + const ENC: [u16; 12] = xor16(b"kernel32.dll", XOR_KEY16); + let plain: Vec = b"kernel32.dll".iter().map(|&c| c as u16).collect(); + assert_ne!(&ENC[..11], &plain[..]); + } +} \ No newline at end of file diff --git a/BackstageInjection-Rust/src/obf.rs.bak b/BackstageInjection-Rust/src/obf.rs.bak new file mode 100644 index 0000000..f16ea5c --- /dev/null +++ b/BackstageInjection-Rust/src/obf.rs.bak @@ -0,0 +1,113 @@ +//! Build-time string obfuscation. +//! +//! `obf!` and `obf16!` XOR-encode string literals at compile time so the +//! plaintext never appears as a contiguous byte sequence in the binary's +//! `.rodata`. The runtime expansion decrypts into a fresh, NUL-terminated +//! stack buffer allocated at each call site. +//! +//! - `obf!` produces a `[u8; N]` buffer (N = length + trailing NUL). Use for +//! ANSI strings handed to `GetProcAddress` and friends. +//! - `obf16!` produces a `[u16; N]` buffer (wide). Use for module names, env +//! var names, and paths handed to `GetModuleHandleW`, +//! `GetEnvironmentVariableW`, and `CreateFileW`. +//! +//! Each decrypted byte is committed with a `write_volatile` store. That keeps +//! LLVM from folding the decrypt loop and promoting the fully constant stack +//! buffer back into `.rodata` as a plaintext global string table. + +pub const XOR_KEY8: u8 = 0x3C; +pub const XOR_KEY16: u16 = 0x4D7A; + +pub const fn xor8(src: &[u8], key: u8) -> [u8; N] { + let mut out = [0u8; N]; + let n = if N < src.len() { N } else { src.len() }; + let mut i = 0; + while i < n { + out[i] = src[i] ^ key; + i += 1; + } + out +} + +pub const fn xor16(src: &[u8], key: u16) -> [u16; N] { + let mut out = [0u16; N]; + let n = if N < src.len() { N } else { src.len() }; + let mut i = 0; + while i < n { + out[i] = (src[i] as u16) ^ key; + i += 1; + } + out +} + +#[macro_export] +macro_rules! obf { + ($lit:literal) => {{ + const SRC: &[u8] = $lit; + const LEN: usize = SRC.len() + 1; + const ENC: [u8; LEN] = $crate::obf::xor8(SRC, $crate::obf::XOR_KEY8); + let mut buf = [0u8; LEN]; + let mut i = 0; + while i < LEN - 1 { + unsafe { + (buf.as_mut_ptr() as *mut u8) + .add(i) + .write_volatile(ENC[i] ^ $crate::obf::XOR_KEY8); + } + i += 1; + } + buf + }}; +} + +#[macro_export] +macro_rules! obf16 { + ($lit:literal) => {{ + const SRC: &[u8] = $lit; + const LEN: usize = SRC.len() + 1; + const ENC: [u16; LEN] = $crate::obf::xor16(SRC, $crate::obf::XOR_KEY16); + let mut buf = [0u16; LEN]; + let mut i = 0; + while i < LEN - 1 { + unsafe { + (buf.as_mut_ptr() as *mut u16) + .add(i) + .write_volatile(ENC[i] ^ $crate::obf::XOR_KEY16); + } + i += 1; + } + buf + }}; +} + +#[cfg(test)] +mod tests { + use super::{xor8, xor16, XOR_KEY8, XOR_KEY16}; + + #[test] + fn byte_roundtrip_is_nul_terminated() { + let s = obf!(b"ntdll.dll"); + assert_eq!(&s[..], b"ntdll.dll\0"); + } + + #[test] + fn byte_encoded_bytes_are_not_plaintext() { + const ENC: [u8; 10] = xor8(b"ntdll.dll", XOR_KEY8); + assert_ne!(&ENC[..9], b"ntdll.dll"); + } + + #[test] + fn wide_roundtrip_is_nul_terminated() { + let s = obf16!(b"kernel32.dll"); + let mut expect: Vec = b"kernel32.dll".iter().map(|&c| c as u16).collect(); + expect.push(0); + assert_eq!(&s[..], &expect[..]); + } + + #[test] + fn wide_encoded_bytes_are_not_plaintext() { + const ENC: [u16; 12] = xor16(b"kernel32.dll", XOR_KEY16); + let plain: Vec = b"kernel32.dll".iter().map(|&c| c as u16).collect(); + assert_ne!(&ENC[..11], &plain[..]); + } +} \ No newline at end of file diff --git a/BackstageInjection-Rust/src/util.rs b/BackstageInjection-Rust/src/util.rs index 3388224..5e4ef46 100644 --- a/BackstageInjection-Rust/src/util.rs +++ b/BackstageInjection-Rust/src/util.rs @@ -4,10 +4,6 @@ use crate::abi::{CSTR_EQUAL, CompareStringOrdinal}; pub const UNICODE_STRING_MAX_WCHARS: usize = 32767; -pub fn wide_zstr(s: &str) -> Vec { - s.encode_utf16().chain(core::iter::once(0)).collect() -} - pub fn ci_eq(a: &[u16], b: &[u16]) -> bool { if a.is_empty() || b.is_empty() { return a.is_empty() && b.is_empty(); @@ -35,10 +31,9 @@ pub fn normalize_path(path: &[u16]) -> (&[u16], usize) { if path.len() >= 4 && path[0] == 0x005C && path[1] == 0x003F && path[2] == 0x003F && path[3] == 0x005C { return (&path[4..], 4); } - const DEVICE_PREFIX: &[u16] = &[ - 0x005C, 0x0044, 0x0065, 0x0076, 0x0069, 0x0063, 0x0065, 0x005C, - ]; - if path.len() >= DEVICE_PREFIX.len() && ci_eq(&path[..DEVICE_PREFIX.len()], DEVICE_PREFIX) { + let dev_pfx = crate::obf16!(b"\\Device\\"); + let pfx = &dev_pfx[..dev_pfx.len() - 1]; + if path.len() >= pfx.len() && ci_eq(&path[..pfx.len()], pfx) { return (path, 0); } (path, 0) diff --git a/BackstageInjection-Rust/vendor/minhook/include/MinHook.h b/BackstageInjection-Rust/vendor/minhook/include/MinHook.h new file mode 100644 index 0000000..cafd494 --- /dev/null +++ b/BackstageInjection-Rust/vendor/minhook/include/MinHook.h @@ -0,0 +1,182 @@ +/* + * 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 + +// 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); + +#ifdef __cplusplus +} +#endif diff --git a/BackstageInjection-Rust/vendor/minhook/src/buffer.c b/BackstageInjection-Rust/vendor/minhook/src/buffer.c new file mode 100644 index 0000000..940df65 --- /dev/null +++ b/BackstageInjection-Rust/vendor/minhook/src/buffer.c @@ -0,0 +1,312 @@ +/* + * 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 +#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)); +} diff --git a/BackstageInjection-Rust/vendor/minhook/src/buffer.h b/BackstageInjection-Rust/vendor/minhook/src/buffer.h new file mode 100644 index 0000000..204d551 --- /dev/null +++ b/BackstageInjection-Rust/vendor/minhook/src/buffer.h @@ -0,0 +1,42 @@ +/* + * 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); diff --git a/BackstageInjection-Rust/vendor/minhook/src/hde/hde32.c b/BackstageInjection-Rust/vendor/minhook/src/hde/hde32.c new file mode 100644 index 0000000..eb6af9b --- /dev/null +++ b/BackstageInjection-Rust/vendor/minhook/src/hde/hde32.c @@ -0,0 +1,324 @@ +/* + * Hacker Disassembler Engine 32 C + * Copyright (c) 2008-2009, Vyacheslav Patkov. + * All rights reserved. + * + */ + +#if defined(_M_IX86) || defined(__i386__) + +#include +#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__) diff --git a/BackstageInjection-Rust/vendor/minhook/src/hde/hde32.h b/BackstageInjection-Rust/vendor/minhook/src/hde/hde32.h new file mode 100644 index 0000000..1112450 --- /dev/null +++ b/BackstageInjection-Rust/vendor/minhook/src/hde/hde32.h @@ -0,0 +1,105 @@ +/* + * 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_ */ diff --git a/BackstageInjection-Rust/vendor/minhook/src/hde/hde64.c b/BackstageInjection-Rust/vendor/minhook/src/hde/hde64.c new file mode 100644 index 0000000..ce773b1 --- /dev/null +++ b/BackstageInjection-Rust/vendor/minhook/src/hde/hde64.c @@ -0,0 +1,335 @@ +/* + * Hacker Disassembler Engine 64 C + * Copyright (c) 2008-2009, Vyacheslav Patkov. + * All rights reserved. + * + */ + +#if defined(_M_X64) || defined(__x86_64__) + +#include +#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__) diff --git a/BackstageInjection-Rust/vendor/minhook/src/hde/hde64.h b/BackstageInjection-Rust/vendor/minhook/src/hde/hde64.h new file mode 100644 index 0000000..ecbf4df --- /dev/null +++ b/BackstageInjection-Rust/vendor/minhook/src/hde/hde64.h @@ -0,0 +1,112 @@ +/* + * 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_ */ diff --git a/BackstageInjection-Rust/vendor/minhook/src/hde/pstdint.h b/BackstageInjection-Rust/vendor/minhook/src/hde/pstdint.h new file mode 100644 index 0000000..84d82a0 --- /dev/null +++ b/BackstageInjection-Rust/vendor/minhook/src/hde/pstdint.h @@ -0,0 +1,39 @@ +/* + * 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 + +// 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; diff --git a/BackstageInjection-Rust/vendor/minhook/src/hde/table32.h b/BackstageInjection-Rust/vendor/minhook/src/hde/table32.h new file mode 100644 index 0000000..7b3e12e --- /dev/null +++ b/BackstageInjection-Rust/vendor/minhook/src/hde/table32.h @@ -0,0 +1,73 @@ +/* + * 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 +}; diff --git a/BackstageInjection-Rust/vendor/minhook/src/hde/table64.h b/BackstageInjection-Rust/vendor/minhook/src/hde/table64.h new file mode 100644 index 0000000..01d4541 --- /dev/null +++ b/BackstageInjection-Rust/vendor/minhook/src/hde/table64.h @@ -0,0 +1,74 @@ +/* + * 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 +}; diff --git a/BackstageInjection-Rust/vendor/minhook/src/hook.c b/BackstageInjection-Rust/vendor/minhook/src/hook.c new file mode 100644 index 0000000..7568d15 --- /dev/null +++ b/BackstageInjection-Rust/vendor/minhook/src/hook.c @@ -0,0 +1,910 @@ +/* + * 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 +#include +#include + +#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); +} diff --git a/BackstageInjection-Rust/vendor/minhook/src/trampoline.c b/BackstageInjection-Rust/vendor/minhook/src/trampoline.c new file mode 100644 index 0000000..cf8ce05 --- /dev/null +++ b/BackstageInjection-Rust/vendor/minhook/src/trampoline.c @@ -0,0 +1,320 @@ +/* + * 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 + +#if defined(_MSC_VER) && !defined(MINHOOK_DISABLE_INTRINSICS) + #define ALLOW_INTRINSICS + #include +#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; +} diff --git a/BackstageInjection-Rust/vendor/minhook/src/trampoline.h b/BackstageInjection-Rust/vendor/minhook/src/trampoline.h new file mode 100644 index 0000000..f7efb36 --- /dev/null +++ b/BackstageInjection-Rust/vendor/minhook/src/trampoline.h @@ -0,0 +1,105 @@ +/* + * 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);