Exemplo n.º 1
0
        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);
        }
Exemplo n.º 2
0
        //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);
            }
        }