public bool Inject(IntPtr hProcess, IntPtr injectionAddress) { var asmCode = _asmCode.ToString(); var is64bitProcess = OnyxNative.Is64bitProcess(hProcess); if (hProcess == IntPtr.Zero) { throw new ArgumentException("Wrong process handle !"); } if (injectionAddress == IntPtr.Zero) { throw new ArgumentException("Bad injection address !"); } if (!asmCode.Contains("org ")) { asmCode = asmCode.Insert(0, String.Format("org 0x{0:X08}\n", (long)injectionAddress)); } if (!(asmCode.Contains("use32") || (asmCode.Contains("use64")))) { asmCode = asmCode.Insert(0, is64bitProcess ? "use64" : "use32"); } if (is64bitProcess && asmCode.Contains("use32")) { throw new ArgumentException("Target process is 64bit, but you're trying to compile using use32 parameter !", "use32/64 switch"); } if (!is64bitProcess && asmCode.Contains("use64")) { throw new ArgumentException("Target process is 32bit, but you're trying to compile using use64 parameter !", "use32/64 switch"); } Assemble(asmCode); OnyxMemory.WriteBytes(hProcess, injectionAddress, _assembledBytes); return(true); }
//ExecuteInDefaultAppDomain(_processId, Path.GetDirectoryName(Application.ExecutablePath) + "\\" + DLLName, "Onyx.DomainManager.EntryPoint", "Main", ""); /// <summary> /// Loads CLR and target assembly into process address space /// </summary> /// <param name="_processId">Target process</param> /// <param name="_assemblyPath">Target assembly</param> /// <param name="_typeName">Type that contains method, that will be executed</param> /// <param name="_methodName">Method, that will be executed upon load</param> /// <param name="_args">Arguments, that will be passed to method</param> public static void InjectAndExecuteInDefaultAppDomain(Int32 _processId, String _assemblyPath, String _typeName, String _methodName, String _args) { if (_assemblyPath == null) { throw new ArgumentNullException(nameof(_assemblyPath)); } if (_typeName == null) { throw new ArgumentNullException(nameof(_typeName)); } if (_methodName == null) { throw new ArgumentNullException(nameof(_methodName)); } Logger.InfoFormat("[InjectAndExecuteInDefaultAppDomain] Injecting assembly '{0}'({1}.{2}, args '{3}') into process {4}...", _assemblyPath, _typeName, _methodName, _args ?? "null", _processId); var is64BitProcess = OnyxNative.Is64bitProcess(_processId); var clrDllPath = is64BitProcess ? MSCOREE_DLL_NAME_64 : MSCOREE_DLL_NAME_32; try { using (var onyx = new Onyx(_processId)) { // проверяем, не загружена ли уже CLR var hRemoteClr = OnyxNative.GetModuleHandle(onyx.Memory.OpenedProcess, MSCOREE_DLL_NAME); if (hRemoteClr != IntPtr.Zero) { Logger.InfoFormat("[InjectAndExecuteInDefaultAppDomain] MSCOREE.dll({1}) is already exists in process {0}...", _processId, clrDllPath); } else { Logger.InfoFormat("[InjectAndExecuteInDefaultAppDomain] Loading MSCOREE.dll({1}) into process {0}...", _processId, clrDllPath); InjectDllCreateThread(onyx.Memory.OpenedProcess, clrDllPath); hRemoteClr = OnyxNative.GetModuleHandle(onyx.Memory.OpenedProcess, MSCOREE_DLL_NAME); if (hRemoteClr == IntPtr.Zero) { throw new ApplicationException(String.Format("Could not load dll '{0}' into process {1}", clrDllPath, _processId)); } } Logger.InfoFormat("[InjectAndExecuteInDefaultAppDomain] MSCOREE.dll({1}) handle - 0x{0:X8}", hRemoteClr.ToInt64(), clrDllPath); var clrModuleName = OnyxNative.GetModuleFileNameEx(onyx.Memory.OpenedProcess, hRemoteClr); var bindToRuntimeFuncRva = OnyxNative.GetExportedFunctionRVA(clrModuleName, "CorBindToRuntimeEx"); var lpCorBindToRuntimeEx = (IntPtr)(hRemoteClr.ToInt64() + bindToRuntimeFuncRva.ToInt64()); Logger.InfoFormat("[InjectAndExecuteInDefaultAppDomain] CorBindToRuntimeEx ptr -> 0x{0:X8}", lpCorBindToRuntimeEx.ToInt64()); Logger.InfoFormat("[InjectAndExecuteInDefaultAppDomain] Allocating code caves..."); var lpCLSID_CLRRuntimeHost = onyx.Memory.AllocateMemory((uint)(CLSID_CLRRuntimeHost.Length * 4)); var lpIID_ICLRRuntimeHost = onyx.Memory.AllocateMemory((uint)IID_ICLRRuntimeHost.Length); var lpClrHost = onyx.Memory.AllocateMemory(0x4); var lpdwRet = onyx.Memory.AllocateMemory(0x4); var lpCodeCave = onyx.Memory.AllocateMemory(0x256); var lpAssemblyPath = onyx.Memory.AllocateMemory((uint)_assemblyPath.Length + 1); var lpTypeName = onyx.Memory.AllocateMemory((uint)_typeName.Length + 1); var lpMethodName = onyx.Memory.AllocateMemory((uint)_methodName.Length + 1); var lpArgs = onyx.Memory.AllocateMemory((uint)_args.Length + 1); var lpBuildFlavor = onyx.Memory.AllocateMemory((uint)BuildFlavor.Length * 2 + 2); var lpFrameworkVersion = onyx.Memory.AllocateMemory((uint)FrameworkVersion.Length * 2 + 1); onyx.Memory.Write(lpBuildFlavor, BuildFlavor); onyx.Memory.Write(lpAssemblyPath, _assemblyPath); onyx.Memory.Write(lpTypeName, _typeName); onyx.Memory.Write(lpMethodName, _methodName); onyx.Memory.Write(lpArgs, _args); onyx.Memory.Write(lpCLSID_CLRRuntimeHost, CLSID_CLRRuntimeHost); onyx.Memory.Write(lpIID_ICLRRuntimeHost, IID_ICLRRuntimeHost); onyx.Memory.Write(lpFrameworkVersion, FrameworkVersion); Logger.InfoFormat("[InjectAndExecuteInDefaultAppDomain] Preparing ASM code..."); var fasm = new RemoteFasm(); fasm.AddLine("use32"); fasm.AddLine("push {0}", lpClrHost.ToInt64()); fasm.AddLine("push {0}", lpIID_ICLRRuntimeHost.ToInt64()); fasm.AddLine("push {0}", lpCLSID_CLRRuntimeHost.ToInt64()); fasm.AddLine("push 0"); fasm.AddLine("push {0}", lpBuildFlavor.ToInt64()); fasm.AddLine("push {0}", lpFrameworkVersion.ToInt64()); fasm.AddLine("mov eax, {0}", lpCorBindToRuntimeEx.ToInt64()); fasm.AddLine("call eax"); // CorBindToRuntimeEx () fasm.AddLine("mov eax, [{0}]", lpClrHost.ToInt64()); fasm.AddLine("mov ecx, [eax]"); fasm.AddLine("mov edx, [ecx+0xC]"); fasm.AddLine("push eax"); fasm.AddLine("call edx"); // ClrHost () fasm.AddLine("push {0}", lpdwRet.ToInt64()); fasm.AddLine("push {0}", lpArgs.ToInt64()); fasm.AddLine("push {0}", lpMethodName.ToInt64()); fasm.AddLine("push {0}", lpTypeName.ToInt64()); fasm.AddLine("push {0}", lpAssemblyPath.ToInt64()); fasm.AddLine("mov eax, [{0}]", lpClrHost.ToInt64()); fasm.AddLine("mov ecx, [eax]"); fasm.AddLine("push eax"); fasm.AddLine("mov eax, [ecx+0x2C]"); fasm.AddLine("call eax"); fasm.AddLine("retn"); Logger.InfoFormat("[InjectAndExecuteInDefaultAppDomain] Injecting and executing ASM code..."); fasm.InjectAndExecute(onyx.Memory.OpenedProcess, lpCodeCave); Logger.InfoFormat("[InjectAndExecuteInDefaultAppDomain] Disposing code caves..."); onyx.Memory.FreeMemory(lpCLSID_CLRRuntimeHost); onyx.Memory.FreeMemory(lpIID_ICLRRuntimeHost); onyx.Memory.FreeMemory(lpClrHost); onyx.Memory.FreeMemory(lpdwRet); onyx.Memory.FreeMemory(lpCodeCave); onyx.Memory.FreeMemory(lpAssemblyPath); onyx.Memory.FreeMemory(lpTypeName); onyx.Memory.FreeMemory(lpMethodName); onyx.Memory.FreeMemory(lpArgs); onyx.Memory.FreeMemory(lpBuildFlavor); onyx.Memory.FreeMemory(lpFrameworkVersion); Logger.InfoFormat("[InjectAndExecuteInDefaultAppDomain] Assembly sussessfully injected"); } } catch (Exception ex) { throw new ApplicationException(String.Format("Could not inject assembly '{0}'({1}.{2}, args '{3}') into process {4}", _assemblyPath, _typeName, _methodName, _args ?? "null", _processId), ex); } }