void Bootstrap::StartTheDotNetRuntime()
{
ofstream myfile;
myfile.open(L"C:\\Temp\\cppLog.txt");
myfile << "Entered Injection function";
myfile.close();
ICLRMetaHost *pMetaHost = NULL;
CLRCreateInstance(CLSID_CLRMetaHost, IID_ICLRMetaHost, (LPVOID*)&pMetaHost);
ICLRRuntimeInfo *pRuntimeInfo = NULL;
pMetaHost->GetRuntime(L"v4.0.30319", IID_ICLRRuntimeInfo, (LPVOID*)&pRuntimeInfo);
ICLRRuntimeHost *pClrRuntimeHost = NULL;
pRuntimeInfo->GetInterface(CLSID_CLRRuntimeHost, IID_ICLRRuntimeHost, (LPVOID*)&pClrRuntimeHost);
//Run the CLR so run a >NET runtime
pClrRuntimeHost->Start();
HRESULT hr = LoadManagedLibrary(pClrRuntimeHost);
myfile.open(L"C:\\Temp\\cppLog.txt");
myfile << "After to loading .NET dll";
myfile.close();
// free resources
pMetaHost->Release();
pRuntimeInfo->Release();
pClrRuntimeHost->Release();
}
extern "C" __declspec(dllexport) HRESULT Inject(_In_ LPCSTR param)
{
DWORD pReturnValue;
ICLRMetaHost* pMetaHost = NULL;
ICLRRuntimeInfo* pRuntimeInfo = NULL;
ICLRRuntimeHost* pClrRuntimeHost = NULL;
if (CLRCreateInstance(CLSID_CLRMetaHost, IID_PPV_ARGS(&pMetaHost)) != S_OK)
{
return -1;
}
if (pMetaHost->GetRuntime(L"v4.0.30319", IID_PPV_ARGS(&pRuntimeInfo)) != S_OK)
{
return -1;
}
if (pRuntimeInfo->GetInterface(CLSID_CLRRuntimeHost, IID_PPV_ARGS(&pClrRuntimeHost)) != S_OK)
{
return -1;
}
if (pClrRuntimeHost->Start() != S_OK)
{
return -1;
}
WCHAR wsz[MAX_PATH];
MultiByteToWideChar(CP_ACP, 0, param, -1, wsz, MAX_PATH);
HRESULT hr = pClrRuntimeHost->ExecuteInDefaultAppDomain(
wsz,
L"FakePacketSender.InjectedEntry",
L"Run",
wsz,
&pReturnValue);
if (hr = pClrRuntimeHost->Stop() != S_OK)
{
_com_error err(hr);
MessageBox(0, err.ErrorMessage(), L"Error", 0);
return -1;
}
if (hr != S_OK)
{
_com_error err(hr);
MessageBox(0, err.ErrorMessage(), L"Error", 0);
return -1;
}
pMetaHost->Release();
pRuntimeInfo->Release();
pClrRuntimeHost->Release();
return hr;
}
HRESULT clrWrapper(LPCWSTR runtimeVersion, std::function<HRESULT(ICLRRuntimeHost* pClrRuntimeHost)> callback)
{
HRESULT hr = E_FAIL;
ICLRMetaHost* pMetaHost = nullptr;
ICLRRuntimeInfo* pRuntimeInfo = nullptr;
ICLRRuntimeHost* pClrRuntimeHost = nullptr;
do {
hr = CLRCreateInstance(CLSID_CLRMetaHost, IID_PPV_ARGS(&pMetaHost));
if (FAILED(hr)) {
break;
}
hr = pMetaHost->GetRuntime(runtimeVersion, IID_PPV_ARGS(&pRuntimeInfo));
if (FAILED(hr)) {
break;
}
hr = pRuntimeInfo->GetInterface(CLSID_CLRRuntimeHost, IID_PPV_ARGS(&pClrRuntimeHost));
if (FAILED(hr)) {
break;
}
hr = pClrRuntimeHost->Start();
if (FAILED(hr)) {
break;
}
if (callback) {
hr = callback(pClrRuntimeHost);
if (FAILED(hr)) {
break;
}
}
} while (false);
if (pClrRuntimeHost) {
pClrRuntimeHost->Release();
pClrRuntimeHost = nullptr;
}
if (pRuntimeInfo) {
pRuntimeInfo->Release();
pRuntimeInfo = nullptr;
}
if (pMetaHost) {
pMetaHost->Release();
pMetaHost = nullptr;
}
return hr;
}
DWORD initialize_dotnet_host()
{
HRESULT hr = S_OK;
ICLRMetaHost* clrMetaHost = NULL;
ICLRRuntimeInfo* clrRuntimeInfo = NULL;
ICorRuntimeHost* clrCorRuntimeHost = NULL;
IUnknownPtr clrAppDomain = NULL;
_AppDomainPtr clrAppDomainInterface = NULL;
_AssemblyPtr clrPowershellAssembly = NULL;
_TypePtr clrPowershellType = NULL;
SAFEARRAY* clrByteArray = NULL;
HMODULE hMsCoree = NULL;
do
{
dprintf("[PSH] Locating CLR instance ...");
hMsCoree = LoadLibraryA("mscoree.dll");
if (hMsCoree == NULL)
{
hr = (HRESULT)GetLastError();
dprintf("[PSH] Failed to load mscoree, .NET probably isn't installed. 0x%x", hr);
break;
}
pClrCreateInstance clrCreateInstance = (pClrCreateInstance)GetProcAddress(hMsCoree, "CLRCreateInstance");
if (clrCreateInstance != NULL)
{
dprintf("[PSH] .NET 4 method in use");
if (FAILED(hr = clrCreateInstance(CLSID_CLRMetaHost, IID_PPV_ARGS(&clrMetaHost))))
{
dprintf("[PSH] Failed to create instace of the CLR metahost 0x%x", hr);
break;
}
dprintf("[PSH] Getting a reference to the .NET runtime");
if (FAILED(hr = clrMetaHost->GetRuntime(L"v2.0.50727", IID_PPV_ARGS(&clrRuntimeInfo))))
{
dprintf("[PSH] Failed to get runtime v2.0.50727 instance 0x%x", hr);
if (FAILED(hr = clrMetaHost->GetRuntime(L"v4.0.30319", IID_PPV_ARGS(&clrRuntimeInfo))))
{
dprintf("[PSH] Failed to get runtime v4.0.30319 instance 0x%x", hr);
break;
}
}
dprintf("[PSH] Determining loadablility");
BOOL loadable = FALSE;
if (FAILED(hr = clrRuntimeInfo->IsLoadable(&loadable)))
{
dprintf("[PSH] Unable to determine of runtime is loadable 0x%x", hr);
break;
}
if (!loadable)
{
dprintf("[PSH] Chosen runtime isn't loadable, exiting.");
break;
}
dprintf("[PSH] Instantiating the COR runtime host");
hr = clrRuntimeInfo->GetInterface(CLSID_CorRuntimeHost, IID_PPV_ARGS(&clrCorRuntimeHost));
if (FAILED(hr))
{
dprintf("[PSH] Unable to get a reference to the COR runtime host 0x%x", hr);
break;
}
}
else
{
dprintf("[PSH] .NET 4 method is missing, attempting to locate .NEt 2 method");
pCorBindToRuntime corBindToRuntime = (pCorBindToRuntime)GetProcAddress(hMsCoree, "CorBindToRuntime");
if (corBindToRuntime == NULL)
{
dprintf("[PSH] Unable to find .NET clr instance loader");
hr = E_NOTIMPL;
break;
}
if (FAILED(hr = corBindToRuntime(L"v2.0.50727", L"wks", CLSID_CorRuntimeHost, IID_PPV_ARGS(&clrCorRuntimeHost))))
{
dprintf("[PSH] Unable to bind to .NET 2 runtime host: 0x%x", hr);
break;
}
}
dprintf("[PSH] Starting the COR runtime host");
if (FAILED(hr = clrCorRuntimeHost->Start()))
{
dprintf("[PSH] Unable to start the COR runtime host 0x%x", hr);
break;
}
dprintf("[PSH] Getting a ref to the app domain");
if (FAILED(hr = clrCorRuntimeHost->GetDefaultDomain(&clrAppDomain)))
{
dprintf("[PSH] Unable to get the app domain 0x%x", hr);
break;
}
dprintf("[PSH] Getting a ref to the app domain interface");
if (FAILED(hr = clrAppDomain->QueryInterface(IID_PPV_ARGS(&clrAppDomainInterface))))
{
dprintf("[PSH] Unable to get the app domain interface 0x%x", hr);
break;
}
dprintf("[PSH] CLR app domain ready to run, now loading the powershell runner");
SAFEARRAYBOUND bounds[1];
bounds[0].cElements = PSHRUNNER_DLL_LEN;
bounds[0].lLbound = 0;
clrByteArray = SafeArrayCreate(VT_UI1, 1, bounds);
if (clrByteArray == NULL)
{
dprintf("[PSH] Failed to create a usable safe array");
hr = ERROR_OUTOFMEMORY;
break;
}
if (FAILED(hr = SafeArrayLock(clrByteArray)))
{
dprintf("[PSH] Safe array lock failed 0x%x", hr);
break;
}
memcpy(clrByteArray->pvData, PowerShellRunnerDll, PSHRUNNER_DLL_LEN);
SafeArrayUnlock(clrByteArray);
if (FAILED(hr = clrAppDomainInterface->Load_3(clrByteArray, &clrPowershellAssembly)))
{
dprintf("[PSH] Failed to load the powershell runner assembly 0x%x", hr);
break;
}
dprintf("[PSH] Loading the type from memory");
_bstr_t pshClassName("MSF.Powershell.Runner");
if (FAILED(hr = clrPowershellAssembly->GetType_2(pshClassName, &clrPowershellType)))
{
dprintf("[PSH] Unable to locate the powershell class type 0x%x", hr);
break;
}
dprintf("[PSH] Runtime has been initialized successfully");
} while(0);
if (clrByteArray != NULL)
{
SafeArrayDestroy(clrByteArray);
}
if (FAILED(hr))
{
SAFE_RELEASE(clrPowershellAssembly);
SAFE_RELEASE(clrAppDomainInterface);
SAFE_RELEASE(clrCorRuntimeHost);
SAFE_RELEASE(clrRuntimeInfo);
SAFE_RELEASE(clrMetaHost);
return (DWORD)hr;
}
gClrMetaHost = clrMetaHost;
gClrRuntimeInfo = clrRuntimeInfo;
gClrCorRuntimeHost = clrCorRuntimeHost;
gClrAppDomainInterface = clrAppDomainInterface;
gClrAppDomain = clrAppDomain;
gClrPowershellAssembly = clrPowershellAssembly;
gClrPowershellType = clrPowershellType;
return ERROR_SUCCESS;
}
EASYHOOK_NT_INTERNAL CompleteManagedInjection(LPREMOTE_INFO InInfo)
{
/*
Description:
Loads the NET runtime into the calling process and invokes the
managed injection entry point (EasyHook.InjectionLoader.Main).
*/
ICLRMetaHost* MetaClrHost = NULL;
ICLRRuntimeInfo* RuntimeInfo = NULL;
ICLRRuntimeHost* RuntimeClrHost = NULL;
DWORD ErrorCode = 0;
WCHAR ParamString[MAX_PATH];
REMOTE_ENTRY_INFO EntryInfo;
HMODULE hMsCorEE = LoadLibraryA("mscoree.dll");
PROC_CorBindToRuntime* CorBindToRuntime = (PROC_CorBindToRuntime*)GetProcAddress(hMsCorEE, "CorBindToRuntime"); // .NET 2.0/3.5 framework creation method
PROC_CLRCreateInstance* CLRCreateInstance = (PROC_CLRCreateInstance*)GetProcAddress(hMsCorEE, "CLRCreateInstance"); // .NET 4.0+ framework creation method
DWORD RetVal;
bool UseCorBindToRuntime = false;
if(CorBindToRuntime == NULL && CLRCreateInstance == NULL)
UNMANAGED_ERROR(10); // mscoree.dll does not exist or does not expose either of the framework creation methods
UseCorBindToRuntime = CLRCreateInstance == NULL;
// invoke user defined entry point
EntryInfo.HostPID = InInfo->HostProcess;
EntryInfo.UserData = InInfo->UserData;
EntryInfo.UserDataSize = InInfo->UserDataSize;
if (!UseCorBindToRuntime)
{
// Attempt to use .NET 3.5/4 runtime object creation method rather than deprecated .NET 2.0 CorBindToRuntime
if (FAILED(CLRCreateInstance(CLSID_CLRMetaHost, IID_ICLRMetaHost, (LPVOID*)&MetaClrHost)))
{
// Failed to get a MetaHost instance
DEBUGOUT("Failed to retrieve CLRMetaHost instance");
UseCorBindToRuntime = true;
}
else
{
/*
It is possible to create a ICLRRuntimeInfo object based on the runtime required by InInfo->UserLibrary
however this requires that the assembly containing the "EasyHook.InjectionLoader" (usually EasyHook.dll)
must be targetting the same framework version as the assembly(ies) to be injected. This is because the
first CLR assembly injected into the target process in this case is usually the EasyHook.dll assembly.
So instead we are providing a specific .NET version (for now v4.0.30319), this will need to be
passed as a parameter in the future.
*/
// TODO: add documentation about what happens when injecting into a managed process where the .NET framework is already loaded
LPCWSTR frameworkVersion = L"v4.0.30319"; // TODO: .NET version string to be passed in "InInfo"
if (FAILED(MetaClrHost->GetRuntime(
frameworkVersion,
IID_ICLRRuntimeInfo,
(LPVOID*)&RuntimeInfo)))
{
// .NET version requested is not available
DEBUGOUT("Failed to retrieve runtime info for framework version: %s", frameworkVersion);
UseCorBindToRuntime = true;
}
else
{
if (FAILED(RuntimeInfo->GetInterface(CLSID_CLRRuntimeHost, IID_ICLRRuntimeHost, (LPVOID*)&RuntimeClrHost)))
{
// Failed to create the requested CLR host version
// TODO: add documentation about why this might happen - e.g. does this happen if an older framework version is already loaded by the target?
DEBUGOUT("Failed to create CLR host for framework version: %s", frameworkVersion);
UseCorBindToRuntime = true;
}
else
{
RuntimeClrHost->Start();
// Enable support for running older .NET v2 assemblies within .NET v4 (e.g. EasyHook.dll is .NET 2.0)
if (FAILED(RuntimeInfo->BindAsLegacyV2Runtime()))
DEBUGOUT("Unable to BindAsLegacyV2Runtime");
}
}
}
}
if (UseCorBindToRuntime)
{
// load NET-Runtime and execute user defined method
if(!RTL_SUCCESS(CorBindToRuntime(NULL, NULL, CLSID_CLRRuntimeHost, IID_ICLRRuntimeHost, (void**)&RuntimeClrHost)))
{
DEBUGOUT("CorBindToRuntime failed");
UNMANAGED_ERROR(11);
}
RuntimeClrHost->Start();
}
/*
Test library code.
This is because if once we have set the remote signal, there is no way to
notify the host about errors. If the following call succeeds, then it will
also do so some lines later... If not, then we are still able to report an error.
The EasyHook managed injection loader will establish a connection to the
host, so that further error reporting is still possible after we set the event!
*/
RtlLongLongToUnicodeHex((LONGLONG)&EntryInfo, ParamString);
if(!RTL_SUCCESS(RuntimeClrHost->ExecuteInDefaultAppDomain(
InInfo->UserLibrary,
L"EasyHook.InjectionLoader",
L"Main",
ParamString,
&RetVal)))
{
if (UseCorBindToRuntime)
UNMANAGED_ERROR(12); // We already tried the CorBindToRuntime method and it has failed
// Running the assembly in the .NET 4.0 Runtime did not work;
// Stop and attempt to run it in the .NET 2.0/3.5 Runtime
if(RuntimeClrHost != NULL)
RuntimeClrHost->Release();
if(!RTL_SUCCESS(CorBindToRuntime(NULL, NULL, CLSID_CLRRuntimeHost, IID_ICLRRuntimeHost, (void**)&RuntimeClrHost)))
UNMANAGED_ERROR(11);
RuntimeClrHost->Start();
RtlLongLongToUnicodeHex((LONGLONG)&EntryInfo, ParamString);
if(!RTL_SUCCESS(RuntimeClrHost->ExecuteInDefaultAppDomain(InInfo->UserLibrary, L"EasyHook.InjectionLoader", L"Main", ParamString, &RetVal)))
UNMANAGED_ERROR(14); // Execution under both .NET 4 and .NET 2/3.5 failed (new ErrorCode: 14, for EasyHook 2.7)
}
if(!RetVal)
UNMANAGED_ERROR(13);
// set and close event
if(!SetEvent(InInfo->hRemoteSignal))
UNMANAGED_ERROR(22);
CloseHandle(InInfo->hRemoteSignal);
InInfo->hRemoteSignal = NULL;
// execute library code (no way for error reporting, so we dont need to check)
RuntimeClrHost->ExecuteInDefaultAppDomain(
InInfo->UserLibrary,
L"EasyHook.InjectionLoader",
L"Main",
ParamString,
&RetVal);
ABORT_ERROR:
// release resources
if(MetaClrHost != NULL)
MetaClrHost->Release();
if(RuntimeInfo != NULL)
RuntimeInfo->Release();
if(RuntimeClrHost != NULL)
RuntimeClrHost->Release();
if(hMsCorEE != NULL)
FreeLibrary(hMsCorEE);
return ErrorCode;
}
ICLRRuntimeHost* StartCLR(LPCWSTR dotNetVersion)
{
HRESULT hr;
ICLRMetaHost* pClrMetaHost = NULL;
ICLRRuntimeInfo* pClrRuntimeInfo = NULL;
ICLRRuntimeHost* pClrRuntimeHost = NULL;
// Get the CLRMetaHost that tells us about .NET on this machine
hr = CLRCreateInstance(CLSID_CLRMetaHost, IID_ICLRMetaHost, (LPVOID*)&pClrMetaHost);
if (hr == S_OK)
{
OutputDebugStringW(L"[Bootstrap] Created CLR instance\n");
// Get the runtime information for the particular version of .NET
hr = pClrMetaHost->GetRuntime(dotNetVersion, IID_PPV_ARGS(&pClrRuntimeInfo));
if (hr == S_OK)
{
OutputDebugStringW(L"[Bootstrap] Got CLR runtime\n");
// Check if the specified runtime can be loaded into the process. This
// method will take into account other runtimes that may already be
// loaded into the process and set pbLoadable to TRUE if this runtime can
// be loaded in an in-process side-by-side fashion.
BOOL fLoadable;
hr = pClrRuntimeInfo->IsLoadable(&fLoadable);
if ((hr == S_OK) && fLoadable)
{
OutputDebugStringW(L"[Bootstrap] Runtime is loadable!\n");
// Load the CLR into the current process and return a runtime interface
// pointer.
hr = pClrRuntimeInfo->GetInterface(CLSID_CLRRuntimeHost,
IID_PPV_ARGS(&pClrRuntimeHost));
if (hr == S_OK)
{
OutputDebugStringW(L"[Bootstrap] Got interface.\n");
// Start it. This is okay to call even if the CLR is already running
hr = pClrRuntimeHost->Start();
// if (hr == S_OK)
// {
OutputDebugStringW(L"[Bootstrap] Started the runtime!\n");
// Success!
return pClrRuntimeHost;
// }
}
}
}
}
// Cleanup if failed
if (pClrRuntimeHost)
{
pClrRuntimeHost->Release();
pClrRuntimeHost = NULL;
}
if (pClrRuntimeInfo)
{
pClrRuntimeInfo->Release();
pClrRuntimeInfo = NULL;
}
if (pClrMetaHost)
{
pClrMetaHost->Release();
pClrMetaHost = NULL;
}
return NULL;
}
/// <summary>
/// Starts the dot net runtime.
/// </summary>
/// <remarks>http://www.codingthewheel.com/archives/how-to-inject-a-managed-assembly-dll/</remarks>
HRESULT StartTheDotNetRuntime(_In_ LPCTSTR lpCommand)
{
FILE *file;
fopen_s(&file, logPath, "a+");
fprintf(file, "binding runtime.\r\n");
fflush(file);
fprintf(file, "Loading the .NET runtime host.\n");
fflush(file);
ICLRMetaHost *pMetaHost = NULL;
auto result = CLRCreateInstance(CLSID_CLRMetaHost, IID_PPV_ARGS(&pMetaHost));
if (FAILED(result))
{
fprintf(file, "Error: failed to create CLR instance.\n");
fflush(file);
return result;
}
fprintf(file, "Loading the .NET runtime.\n");
fflush(file);
ICLRRuntimeInfo *pRuntimeInfo = NULL;
result = pMetaHost->GetRuntime(L"v4.0.30319", IID_PPV_ARGS(&pRuntimeInfo));
if (FAILED(result))
{
fprintf(file, "Error: failed to create CLR instance.\n");
fflush(file);
pMetaHost->Release();
return result;
}
fprintf(file, "Acquiring the .NET runtime.\n");
fflush(file);
ICLRRuntimeHost *pClrRuntimeHost = NULL;
result = pRuntimeInfo->GetInterface(CLSID_CLRRuntimeHost, IID_PPV_ARGS(&pClrRuntimeHost));
if (FAILED(result))
{
fprintf(file, "Error: failed to acquire CLR runtime.\n");
fflush(file);
pMetaHost->Release();
return result;
}
fprintf(file, "Starting the .NET runtime.\n");
fflush(file);
result = pClrRuntimeHost->Start();
if (FAILED(result))
{
fprintf(file, "Error: failed to start CLR runtime.\n");
fflush(file);
pClrRuntimeHost->Release();
pMetaHost->Release();
return result;
}
fprintf(file, "Executing payload assembly.\n");
fflush(file);
DWORD dwRet = 0;
result = pClrRuntimeHost->ExecuteInDefaultAppDomain(
assemblyPath,
classFqn, methodName, parameter, &dwRet);
if (FAILED(result))
{
fprintf(file, "Error: unable to execute example code.\n");
fflush(file);
pClrRuntimeHost->Stop();
pClrRuntimeHost->Release();
pMetaHost->Release();
return result;
}
fprintf(file, "Stopping the .NET runtime.\n");
fflush(file);
pClrRuntimeHost->Stop();
fprintf(file, "Releasing the .NET runtime.\n");
fflush(file);
pClrRuntimeHost->Release();
pMetaHost->Release();
fclose(file);
return ERROR_SUCCESS;
}
int _tmain(int argc, _TCHAR* argv[])
{
HRESULT hr;
ICLRMetaHost *pMetaHost = NULL;
ICLRRuntimeInfo *pRuntimeInfo = NULL;
ICorRuntimeHost *pCorRuntimeHost = NULL;
IUnknownPtr spAppDomainThunk = NULL;
_AppDomainPtr spDefaultAppDomain = NULL;
// The .NET assembly to load.
bstr_t bstrAssemblyName("PowerShellRunner");
_AssemblyPtr spAssembly = NULL;
// The .NET class to instantiate.
bstr_t bstrClassName("PowerShellRunner.PowerShellRunner");
_TypePtr spType = NULL;
// Start the runtime
hr = CLRCreateInstance(CLSID_CLRMetaHost, IID_PPV_ARGS(&pMetaHost));
if (FAILED(hr))
{
wprintf(L"CLRCreateInstance failed w/hr 0x%08lx\n", hr);
goto Cleanup;
}
hr = pMetaHost->GetRuntime(L"v2.0.50727", IID_PPV_ARGS(&pRuntimeInfo));
if (FAILED(hr))
{
wprintf(L"ICLRMetaHost::GetRuntime failed w/hr 0x%08lx\n", hr);
goto Cleanup;
}
// Check if the specified runtime can be loaded into the process.
BOOL fLoadable;
hr = pRuntimeInfo->IsLoadable(&fLoadable);
if (FAILED(hr))
{
wprintf(L"ICLRRuntimeInfo::IsLoadable failed w/hr 0x%08lx\n", hr);
goto Cleanup;
}
if (!fLoadable)
{
wprintf(L".NET runtime v2.0.50727 cannot be loaded\n");
goto Cleanup;
}
// Load the CLR into the current process and return a runtime interface
hr = pRuntimeInfo->GetInterface(CLSID_CorRuntimeHost,
IID_PPV_ARGS(&pCorRuntimeHost));
if (FAILED(hr))
{
wprintf(L"ICLRRuntimeInfo::GetInterface failed w/hr 0x%08lx\n", hr);
goto Cleanup;
}
// Start the CLR.
hr = pCorRuntimeHost->Start();
if (FAILED(hr))
{
wprintf(L"CLR failed to start w/hr 0x%08lx\n", hr);
goto Cleanup;
}
// Get a pointer to the default AppDomain in the CLR.
hr = pCorRuntimeHost->GetDefaultDomain(&spAppDomainThunk);
if (FAILED(hr))
{
wprintf(L"ICorRuntimeHost::GetDefaultDomain failed w/hr 0x%08lx\n", hr);
goto Cleanup;
}
hr = spAppDomainThunk->QueryInterface(IID_PPV_ARGS(&spDefaultAppDomain));
if (FAILED(hr))
{
wprintf(L"Failed to get default AppDomain w/hr 0x%08lx\n", hr);
goto Cleanup;
}
// Load the .NET assembly.
// (Option 1) Load it from disk - usefully when debugging the PowerShellRunner app (you'll have to copy the DLL into the same directory as the exe)
//hr = spDefaultAppDomain->Load_2(bstrAssemblyName, &spAssembly);
// (Option 2) Load the assembly from memory
SAFEARRAYBOUND bounds[1];
bounds[0].cElements = PowerShellRunner_dll_len;
bounds[0].lLbound = 0;
SAFEARRAY* arr = SafeArrayCreate(VT_UI1, 1, bounds);
SafeArrayLock(arr);
memcpy(arr->pvData, PowerShellRunner_dll, PowerShellRunner_dll_len);
SafeArrayUnlock(arr);
hr = spDefaultAppDomain->Load_3(arr, &spAssembly);
if (FAILED(hr))
{
wprintf(L"Failed to load the assembly w/hr 0x%08lx\n", hr);
goto Cleanup;
}
// Get the Type of PowerShellRunner.
hr = spAssembly->GetType_2(bstrClassName, &spType);
if (FAILED(hr))
{
wprintf(L"Failed to get the Type interface w/hr 0x%08lx\n", hr);
goto Cleanup;
}
// Call the static method of the class
wchar_t* argument = L"Get-Process\n\
#This is a PowerShell Comment\n\
Write-Host \"`n`n******* The next command is going to throw an exception. This is planned *********`n`n\"\n\
Read-Host\n";
InvokeMethod(spType, L"InvokePS", argument);
Cleanup:
if (pMetaHost)
{
pMetaHost->Release();
pMetaHost = NULL;
}
if (pRuntimeInfo)
{
pRuntimeInfo->Release();
pRuntimeInfo = NULL;
}
if (pCorRuntimeHost)
{
pCorRuntimeHost->Release();
pCorRuntimeHost = NULL;
}
return 0;
}
bool createDotNetFourHost(HMODULE* hMscoree, const wchar_t* version, ICorRuntimeHost** ppCorRuntimeHost)
{
HRESULT hr = NULL;
funcCLRCreateInstance pCLRCreateInstance = NULL;
ICLRMetaHost *pMetaHost = NULL;
ICLRRuntimeInfo *pRuntimeInfo = NULL;
bool hostCreated = false;
pCLRCreateInstance = (funcCLRCreateInstance)GetProcAddress(*hMscoree, "CLRCreateInstance");
if (pCLRCreateInstance == NULL)
{
wprintf(L"Could not find .NET 4.0 API CLRCreateInstance");
goto Cleanup;
}
hr = pCLRCreateInstance(CLSID_CLRMetaHost, IID_PPV_ARGS(&pMetaHost));
if (FAILED(hr))
{
// Potentially fails on .NET 2.0/3.5 machines with E_NOTIMPL
wprintf(L"CLRCreateInstance failed w/hr 0x%08lx\n", hr);
goto Cleanup;
}
hr = pMetaHost->GetRuntime(L"v2.0.50727", IID_PPV_ARGS(&pRuntimeInfo));
if (FAILED(hr))
{
wprintf(L"ICLRMetaHost::GetRuntime failed w/hr 0x%08lx\n", hr);
goto Cleanup;
}
// Check if the specified runtime can be loaded into the process.
BOOL loadable;
hr = pRuntimeInfo->IsLoadable(&loadable);
if (FAILED(hr))
{
wprintf(L"ICLRRuntimeInfo::IsLoadable failed w/hr 0x%08lx\n", hr);
goto Cleanup;
}
if (!loadable)
{
wprintf(L".NET runtime v2.0.50727 cannot be loaded\n");
goto Cleanup;
}
// Load the CLR into the current process and return a runtime interface
hr = pRuntimeInfo->GetInterface(CLSID_CorRuntimeHost, IID_PPV_ARGS(ppCorRuntimeHost));
if (FAILED(hr))
{
wprintf(L"ICLRRuntimeInfo::GetInterface failed w/hr 0x%08lx\n", hr);
goto Cleanup;
}
hostCreated = true;
Cleanup:
if (pMetaHost)
{
pMetaHost->Release();
pMetaHost = NULL;
}
if (pRuntimeInfo)
{
pRuntimeInfo->Release();
pRuntimeInfo = NULL;
}
return hostCreated;
}
EASYHOOK_NT_INTERNAL CompleteManagedInjection(LPREMOTE_INFO InInfo)
{
/// Region: Temporary workaround for InInfo->Assemblies not being received correctly
InInfo->AssembliesCount = 3;
InInfo->Assemblies = new RhAssemblyInfo[InInfo->AssembliesCount];
InInfo->Assemblies[0].FullName = L"ProcMonInject, Version=1.0.0.0, Culture=neutral, PublicKeyToken=d34a061f079be347, ProcessorArchitecture=MSIL";
InInfo->Assemblies[0].AssemblyLoadPath = L"D:/Documenten/Documenten/Projects/EasyHook/EasyHook - CLRHostingAPI - vs2008/Debug/x64/ProcMonInject.dll";
InInfo->Assemblies[0].AssemblyDebugInfoPath = NULL;
InInfo->Assemblies[1].FullName = L"ProcessMonitor, Version=1.0.0.0, Culture=neutral, PublicKeyToken=d34a061f079be347, ProcessorArchitecture=MSIL";
InInfo->Assemblies[1].AssemblyLoadPath = L"D:/Documenten/Documenten/Projects/EasyHook/EasyHook - CLRHostingAPI - vs2008/Debug/x64/ProcessMonitor.exe";
InInfo->Assemblies[1].AssemblyDebugInfoPath = NULL;
InInfo->Assemblies[2].FullName = L"EasyHook, Version=2.5.0.0, Culture=neutral, PublicKeyToken=4b580fca19d0b0c5, ProcessorArchitecture=MSIL";
InInfo->Assemblies[2].AssemblyLoadPath = L"D:/Documenten/Documenten/Projects/EasyHook/EasyHook - CLRHostingAPI - vs2008/Debug/x64/EasyHook.dll";
InInfo->Assemblies[2].AssemblyDebugInfoPath = NULL;
/// Endregion
/*
Description:
Loads the NET runtime into the calling process and invokes the
managed injection entry point.
*/
#ifdef _NET4
ICLRMetaHost* pMetaClrHost = NULL;
ICLRRuntimeInfo* pRuntimeInfo = NULL;
#endif
REMOTE_ENTRY_INFO EntryInfo;
ICLRRuntimeHost* pClr = NULL;
WCHAR ParamString[MAX_PATH];
DWORD ErrorCode = 0;
HMODULE hMsCorEE = LoadLibraryA("mscoree.dll");
PROC_CorBindToRuntime* CorBindToRuntime = (PROC_CorBindToRuntime*)GetProcAddress(hMsCorEE, "CorBindToRuntime");
if(CorBindToRuntime == NULL)
UNMANAGED_ERROR(10);
// Invoke user defined entry point
EntryInfo.HostPID = InInfo->HostProcess;
EntryInfo.UserData = InInfo->UserData;
EntryInfo.UserDataSize = InInfo->UserDataSize;
RtlLongLongToUnicodeHex((LONGLONG)&EntryInfo, ParamString);
// Load the Common Language Runtime
if(!RTL_SUCCESS(CorBindToRuntime(NULL, NULL, CLSID_CLRRuntimeHost, IID_ICLRRuntimeHost, (void**)&pClr)))
UNMANAGED_ERROR(11);
if (!RTL_SUCCESS(AssociateCustomCLRHost(pClr, InInfo->Assemblies, InInfo->AssembliesCount)))
UNMANAGED_ERROR(14);
pClr->Start();
/*
Test library code.
This is because if once we have set the remote signal, there is no way to
notify the host about errors. If the following call succeeds, then it will
also do so some lines later... If not, then we are still able to report an error.
The EasyHook managed injection loader will establish a connection to the
host, so that further error reporting is still possible after we set the event!
*/
RtlLongLongToUnicodeHex((LONGLONG)&EntryInfo, ParamString);
HRESULT result = pClr->ExecuteInDefaultAppDomain(
InInfo->UserLibrary,
L"EasyHook.InjectionLoader", L"Main",
ParamString, &ErrorCode);
if(!RTL_SUCCESS(result))
{
// Test failed!
#ifdef _NET4
// Target CLR might be .NET 4.0, try to load this CLR instead.
if(NULL != pClr)
pClr->Release();
if(FAILED(CLRCreateInstance(CLSID_CLRMetaHost, IID_ICLRMetaHost, (void**)&pMetaClrHost)))
UNMANAGED_ERROR(11);
if(FAILED(pMetaClrHost->GetRuntime(L"v4.0.30319", IID_ICLRRuntimeInfo, (void**)&pRuntimeInfo)))
UNMANAGED_ERROR(11);
if(FAILED(pRuntimeInfo->GetInterface(CLSID_CLRRuntimeHost, IID_ICLRRuntimeHost, (void**) &pClr)))
UNMANAGED_ERROR(11);
AssociateCustomCLRHost(pClr);
pClr->Start();
RtlLongLongToUnicodeHex((LONGLONG)&EntryInfo, ParamString);
if(!RTL_SUCCESS(RuntimeClrHost->ExecuteInDefaultAppDomain(InInfo->UserLibrary, L"EasyHook.InjectionLoader", L"Main", ParamString, &RetVal)))
#endif
UNMANAGED_ERROR(12);
}
if(!ErrorCode)
UNMANAGED_ERROR(13);
// set and close event
if(!SetEvent(InInfo->hRemoteSignal))
UNMANAGED_ERROR(22);
CloseHandle(InInfo->hRemoteSignal);
InInfo->hRemoteSignal = NULL;
// Execute library code (no way for error reporting, so we dont need to check)
pClr->ExecuteInDefaultAppDomain(
InInfo->UserLibrary,
L"EasyHook.InjectionLoader",
L"Main",
ParamString,
&ErrorCode);
ABORT_ERROR:
// Release Resources
if(NULL != pClr)
pClr->Release();
#ifdef _NET4
if (NULL != pMetaClrHost)
pMetaClrHost->Release();
if (NULL != pRuntimeInfo)
pRuntimeInfo->Release();
#endif
return ErrorCode;
}