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NTV_02_CriticalProcess/NTV_02_CriticalProcess.sln

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NTV_02_CriticalProcess/NTV_02_CriticalProcess/NTV_02_CriticalProcess.cpp

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+// NTV_02_CriticalProcess.cpp : 此文件包含 "main" 函数。程序执行将在此处开始并结束。
+//
+
+//系统关键进程的设置、取消、查询演示程序
+
+#include <Windows.h>
+#include <TlHelp32.h>
+#include <iostream>
+#include <vector>
+#include <string>
+#include <utility>
+
+//准备未定义类型
+enum PROCESSINFOCLASS
+{
+	ProcessBasicInformation = 0x00,
+	ProcessQuotaLimits = 0x01,
+	ProcessIoCounters = 0x02,
+	ProcessVmCounters = 0x03,
+	ProcessTimes = 0x04,
+	ProcessBasePriority = 0x05,
+	ProcessRaisePriority = 0x06,
+	ProcessDebugPort = 0x07,
+	ProcessExceptionPort = 0x08,
+	ProcessAccessToken = 0x09,
+	ProcessLdtInformation = 0x0A,
+	ProcessLdtSize = 0x0B,
+	ProcessDefaultHardErrorMode = 0x0C,
+	ProcessIoPortHandlers = 0x0D,
+	ProcessPooledUsageAndLimits = 0x0E,
+	ProcessWorkingSetWatch = 0x0F,
+	ProcessUserModeIOPL = 0x10,
+	ProcessEnableAlignmentFaultFixup = 0x11,
+	ProcessPriorityClass = 0x12,
+	ProcessWx86Information = 0x13,
+	ProcessHandleCount = 0x14,
+	ProcessAffinityMask = 0x15,
+	ProcessPriorityBoost = 0x16,
+	ProcessDeviceMap = 0x17,
+	ProcessSessionInformation = 0x18,
+	ProcessForegroundInformation = 0x19,
+	ProcessWow64Information = 0x1A,
+	ProcessImageFileName = 0x1B,
+	ProcessLUIDDeviceMapsEnabled = 0x1C,
+	ProcessBreakOnTermination = 0x1D,
+	ProcessDebugObjectHandle = 0x1E,
+	ProcessDebugFlags = 0x1F,
+	ProcessHandleTracing = 0x20,
+	ProcessIoPriority = 0x21,
+	ProcessExecuteFlags = 0x22,
+	ProcessResourceManagement = 0x23,
+	ProcessCookie = 0x24,
+	ProcessImageInformation = 0x25,
+	ProcessCycleTime = 0x26,
+	ProcessPagePriority = 0x27,
+	ProcessInstrumentationCallback = 0x28,
+	ProcessThreadStackAllocation = 0x29,
+	ProcessWorkingSetWatchEx = 0x2A,
+	ProcessImageFileNameWin32 = 0x2B,
+	ProcessImageFileMapping = 0x2C,
+	ProcessAffinityUpdateMode = 0x2D,
+	ProcessMemoryAllocationMode = 0x2E,
+	ProcessGroupInformation = 0x2F,
+	ProcessTokenVirtualizationEnabled = 0x30,
+	ProcessConsoleHostProcess = 0x31,
+	ProcessWindowInformation = 0x32,
+	ProcessHandleInformation = 0x33,
+	ProcessMitigationPolicy = 0x34,
+	ProcessDynamicFunctionTableInformation = 0x35,
+	ProcessHandleCheckingMode = 0x36,
+	ProcessKeepAliveCount = 0x37,
+	ProcessRevokeFileHandles = 0x38,
+	ProcessWorkingSetControl = 0x39,
+	ProcessHandleTable = 0x3A,
+	ProcessCheckStackExtentsMode = 0x3B,
+	ProcessCommandLineInformation = 0x3C,
+	ProcessProtectionInformation = 0x3D,
+	ProcessMemoryExhaustion = 0x3E,
+	ProcessFaultInformation = 0x3F,
+	ProcessTelemetryIdInformation = 0x40,
+	ProcessCommitReleaseInformation = 0x41,
+	ProcessDefaultCpuSetsInformation = 0x42,
+	ProcessAllowedCpuSetsInformation = 0x43,
+	ProcessSubsystemProcess = 0x44,
+	ProcessJobMemoryInformation = 0x45,
+	ProcessInPrivate = 0x46,
+	ProcessRaiseUMExceptionOnInvalidHandleClose = 0x47,
+	ProcessIumChallengeResponse = 0x48,
+	ProcessChildProcessInformation = 0x49,
+	ProcessHighGraphicsPriorityInformation = 0x4A,
+	ProcessSubsystemInformation = 0x4B,
+	ProcessEnergyValues = 0x4C,
+	ProcessActivityThrottleState = 0x4D,
+	ProcessActivityThrottlePolicy = 0x4E,
+	ProcessWin32kSyscallFilterInformation = 0x4F,
+	ProcessDisableSystemAllowedCpuSets = 0x50,
+	ProcessWakeInformation = 0x51,
+	ProcessEnergyTrackingState = 0x52,
+	ProcessManageWritesToExecutableMemory = 0x53,
+	ProcessCaptureTrustletLiveDump = 0x54,
+	ProcessTelemetryCoverage = 0x55,
+	ProcessEnclaveInformation = 0x56,
+	ProcessEnableReadWriteVmLogging = 0x57,
+	ProcessUptimeInformation = 0x58,
+	ProcessImageSection = 0x59,
+	ProcessDebugAuthInformation = 0x5A,
+	ProcessSystemResourceManagement = 0x5B,
+	ProcessSequenceNumber = 0x5C,
+	ProcessLoaderDetour = 0x5D,
+	ProcessSecurityDomainInformation = 0x5E,
+	ProcessCombineSecurityDomainsInformation = 0x5F,
+	ProcessEnableLogging = 0x60,
+	ProcessLeapSecondInformation = 0x61,
+	ProcessFiberShadowStackAllocation = 0x62,
+	ProcessFreeFiberShadowStackAllocation = 0x63,
+	MaxProcessInfoClass = 0x64
+};
+
+//准备函数指针
+typedef VOID(WINAPI* type_RtlSetProcessIsCritical)(BOOLEAN, PBOOLEAN, BOOLEAN);
+
+typedef VOID(WINAPI* type_RtlSetThreadIsCritical)(BOOLEAN, PBOOLEAN, BOOLEAN);
+
+typedef NTSTATUS(__kernel_entry* type_NtQueryInformationProcess)(IN HANDLE, IN PROCESSINFOCLASS, OUT PVOID, IN ULONG, OUT PULONG);
+
+//准备存储进程信息的类型
+using ProcessInfo = std::vector<std::pair<std::wstring, int>>;
+
+//提取SE_DEBUG_PRIVILIEGE
+bool GetDebug()
+{
+	HANDLE hToken;
+	TOKEN_PRIVILEGES tpNew = { 0 };
+	LUID PriviliegeID;
+	if (!OpenProcessToken(GetCurrentProcess(), TOKEN_ADJUST_PRIVILEGES, &hToken))
+		return false;
+	LookupPrivilegeValue(NULL, SE_DEBUG_NAME, &PriviliegeID);
+	tpNew.PrivilegeCount = 1;
+	tpNew.Privileges[0].Luid = PriviliegeID;
+	tpNew.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
+	if (!AdjustTokenPrivileges(hToken, FALSE, &tpNew, NULL, NULL, NULL))
+		return false;
+	else
+		return true;
+}
+
+//从ntdll.dll加载三个API
+
+VOID RtlSetProcessIsCritical(BOOLEAN NewValue, PBOOLEAN OldValue, BOOLEAN IsWinlogon)
+{
+	HMODULE hDll = LoadLibrary(L"ntdll.dll");
+	if (hDll == NULL)
+		return;
+	type_RtlSetProcessIsCritical func = (type_RtlSetProcessIsCritical)GetProcAddress(hDll, "RtlSetProcessIsCritical");
+	if (func != NULL)
+	{
+		FreeLibrary(hDll);
+		return func(NewValue, OldValue, IsWinlogon);
+	}
+	else
+	{
+		FreeLibrary(hDll);
+		return;
+	}
+}
+
+VOID RtlSetThreadIsCritical(BOOLEAN NewValue, PBOOLEAN OldValue, BOOLEAN IsWinlogon)
+{
+	HMODULE hDll = LoadLibrary(L"ntdll.dll");
+	if (hDll == NULL)
+		return;
+	type_RtlSetThreadIsCritical func = (type_RtlSetThreadIsCritical)GetProcAddress(hDll, "RtlSetThreadIsCritical");
+	if (func != NULL)
+	{
+		FreeLibrary(hDll);
+		return func(NewValue, OldValue, IsWinlogon);
+	}
+	else
+	{
+		FreeLibrary(hDll);
+		return;
+	}
+}
+
+NTSTATUS NtQueryInformationProcess(IN HANDLE ProcessHandle, IN PROCESSINFOCLASS ProcessInformationClass, OUT PVOID ProcessInformation, IN ULONG ProcessInformationLength, OUT PULONG ReturnLength)
+{
+	HMODULE hDll = LoadLibrary(L"ntdll.dll");
+	if (hDll == NULL)
+		return -1;
+	type_NtQueryInformationProcess func = (type_NtQueryInformationProcess)GetProcAddress(hDll, "NtQueryInformationProcess");
+	if (func != NULL)
+	{
+		FreeLibrary(hDll);
+		return func(ProcessHandle, ProcessInformationClass, ProcessInformation, ProcessInformationLength, ReturnLength);
+	}
+	else
+	{
+		FreeLibrary(hDll);
+		return -2;
+	}
+}
+
+//根据API编写设置进程为关键进程代码
+void SetSystemProcess()
+{
+	RtlSetProcessIsCritical(TRUE, NULL, FALSE);
+	RtlSetThreadIsCritical(TRUE, NULL, FALSE);
+	return;
+}
+
+//取消系统关键进程
+void CalcelSystemProcess()
+{
+	RtlSetProcessIsCritical(FALSE, NULL, FALSE);
+	RtlSetThreadIsCritical(FALSE, NULL, FALSE);
+	return;
+}
+
+//检查是否为系统关键进程
+bool IsSystemProcess(DWORD ProcessID)
+{
+	HANDLE hProcess = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE, ProcessID);
+	if (hProcess == NULL)
+		return false;
+	ULONG iRet = 0;
+	NtQueryInformationProcess(hProcess, ProcessBreakOnTermination, &iRet, sizeof(iRet), NULL);
+	CloseHandle(hProcess);
+	return (iRet == 1);
+}
+
+//遍历全部进程查找系统关键进程
+ProcessInfo GetAllSystemProcess()
+{
+	ProcessInfo info;
+	HANDLE hProcessSnap = INVALID_HANDLE_VALUE;
+	PROCESSENTRY32 pe32 = { 0 };
+	hProcessSnap = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
+	if (hProcessSnap == INVALID_HANDLE_VALUE)
+		return info;
+	pe32.dwSize = sizeof(PROCESSENTRY32);
+	if (Process32First(hProcessSnap, &pe32))
+	{
+		do
+		{
+			if (IsSystemProcess(pe32.th32ProcessID))
+				info.push_back({ pe32.szExeFile,pe32.th32ProcessID });
+		} while (Process32Next(hProcessSnap, &pe32));
+	}
+	else
+	{
+		CloseHandle(hProcessSnap);
+		return info;
+	}
+	CloseHandle(hProcessSnap);
+	return info;
+}
+
+/*
+* 此处UP会编写4个演示用主程序
+* 分别为：
+* 1. 设置系统关键进程后直接退出
+* 2. 设置系统关键进程后等待（用于演示任务管理器结束）
+* 3. 设置系统关键进程，取消设置系统关键进程，退出
+* 4. 遍历列出所有的系统关键进程
+*/
+
+
+int main_1()
+{
+	GetDebug();
+	SetSystemProcess();
+	return 0;
+}
+
+int main_2()
+{
+	GetDebug();
+	SetSystemProcess();
+	getchar();	//使用等待输入来暂停程序运行
+	return 0;
+}
+
+int main_3()
+{
+	GetDebug();
+	SetSystemProcess();
+	CalcelSystemProcess();
+	return 0;
+}
+
+int main_4()
+{
+	GetDebug();
+	ProcessInfo list = GetAllSystemProcess();
+	if (list.size() == 0)
+		printf("未找到任何系统关键进程\n");
+	else
+	{
+		std::wcout <<  "Process Name\t\tPID" << std::endl;
+		for (auto& info : list)
+		{
+			std::wcout << info.first << "\t\t" << info.second << std::endl;
+		}
+	}
+	system("pause");
+	return 0;
+}
+
+int main()
+{
+	//main_1();
+	//main_2();
+	//main_3();
+	//main_4();
+	return 0;
+}

NTV_02_CriticalProcess/NTV_02_CriticalProcess/NTV_02_CriticalProcess.vcxproj

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