X64驱动：内核操作进线程/模块-天翼云

注意：下面的所有案例必须使用.C结尾的文件，且必须在链接选项中加入 /INTEGRITYCHECK 选项，否则编译根本无法通过（整合修正，Win10可编译，须在测试模式下进行），内核代码相对固定，如果对内核编程不太熟的话，建议不要随意修改代码，任何一处错误的调用都会导致系统蓝屏，大佬绕过！

下方所有代码，均在 Windows 10 LTSC 企业版中测试，经过修改后代码均无任何问题，放心不会蓝屏！

内核枚举进线程/模块

内核枚举进程： 进程就是活动起来的程序，每一个进程在内核里，都有一个名为 EPROCESS 的结构记录它的详细信息，其中就包括进程名，PID，PPID，进程路径等，通常在应用层枚举进程只列出所有进程的编号即可，不过在内核层需要把它的 EPROCESS 地址给列举出来。

内核枚举进程使用PspCidTable 这个未公开的函数，它能最大的好处是能得到进程的EPROCESS地址，由于是未公开的函数，所以我们需要变相的调用这个函数，通过PsLookupProcessByProcessId函数查到进程的EPROCESS，如果PsLookupProcessByProcessId返回失败，则证明此进程不存在，如果返回成功则把EPROCESS、PID、PPID、进程名等通过DbgPrint打印到屏幕上。

#include <ntifs.h>

NTKERNELAPI UCHAR* PsGetProcessImageFileName(IN PEPROCESS Process); //未公开的进行导出即可
NTKERNELAPI HANDLE PsGetProcessInheritedFromUniqueProcessId(IN PEPROCESS Process);//未公开进行导出

// 根据进程ID返回进程EPROCESS结构体,失败返回NULL
PEPROCESS LookupProcess(HANDLE Pid)
{
	PEPROCESS eprocess = NULL;
	NTSTATUS Status = STATUS_UNSUCCESSFUL;
	Status = PsLookupProcessByProcessId(Pid, &eprocess);
	if (NT_SUCCESS(Status))
		return eprocess;
	return NULL;
}

VOID EnumProcess()
{
	PEPROCESS eproc = NULL;
	for (int temp = 0; temp < 100000; temp += 4)
	{
		eproc = LookupProcess((HANDLE)temp);
		if (eproc != NULL)
		{
			DbgPrint("进程名: %s --> 进程PID = %d --> 父进程PPID = %d\r\n",PsGetProcessImageFileName(eproc),PsGetProcessId(eproc),
				PsGetProcessInheritedFromUniqueProcessId(eproc));
			ObDereferenceObject(eproc);
		}
	}
}

VOID UnDriver(PDRIVER_OBJECT driver)
{
	DbgPrint(("Uninstall Driver Is OK \n"));
}

NTSTATUS DriverEntry(IN PDRIVER_OBJECT Driver, PUNICODE_STRING RegistryPath)
{
	EnumProcess();
	Driver->DriverUnload = UnDriver;
	return STATUS_SUCCESS;
}

X64驱动：内核操作进线程/模块

内核终止进程： 结束进程的标准方法就是使用ZwOpenProcess打开进程获得句柄，然后使用ZwTerminateProcess结束，最后使用ZwClose关闭句柄，代码如下：

#include <ntifs.h>

NTKERNELAPI UCHAR* PsGetProcessImageFileName(IN PEPROCESS Process);

// 根据进程ID返回进程EPROCESS结构体,失败返回NULL
PEPROCESS GetProcessNameByProcessId(HANDLE pid)
{
	PEPROCESS ProcessObj = NULL;
	NTSTATUS Status = STATUS_UNSUCCESSFUL;
	Status = PsLookupProcessByProcessId(pid, &ProcessObj);
	if (NT_SUCCESS(Status))
		return ProcessObj;
	return NULL;
}

// 根据ProcessName获取到进程的PID号
HANDLE GetPidByProcessName(char *ProcessName)
{
	PEPROCESS pCurrentEprocess = NULL;
	HANDLE pid = 0;
	for (int i = 0; i < 1000000000; i += 4)
	{
		pCurrentEprocess = GetProcessNameByProcessId((HANDLE)i);
		if (pCurrentEprocess != NULL)
		{
			pid = PsGetProcessId(pCurrentEprocess);
			if (strstr(PsGetProcessImageFileName(pCurrentEprocess), ProcessName) != NULL)
			{
				ObDereferenceObject(pCurrentEprocess);
				return pid;
			}
			ObDereferenceObject(pCurrentEprocess);
		}
	}
	return (HANDLE)-1;
}

int KillProcess(char *ProcessName)
{
	PEPROCESS pCurrentEprocess = NULL;
	HANDLE pid = 0;
	HANDLE Handle = NULL;
	OBJECT_ATTRIBUTES obj;
	CLIENT_ID cid = { 0 };
	NTSTATUS Status = STATUS_UNSUCCESSFUL;

	for (int i = 0; i < 10000000; i += 4)
	{
		pCurrentEprocess = GetProcessNameByProcessId((HANDLE)i);
		if (pCurrentEprocess != NULL)
		{
			pid = PsGetProcessId(pCurrentEprocess);
			if (strstr(PsGetProcessImageFileName(pCurrentEprocess), ProcessName) != NULL)
			{
				ObDereferenceObject(pCurrentEprocess);
				DbgPrint("已经找到对应的PID,开始执行结束代码...");
				InitializeObjectAttributes(&obj, NULL, OBJ_KERNEL_HANDLE | OBJ_CASE_INSENSITIVE, NULL, NULL);
				cid.UniqueProcess = (HANDLE)pid;
				cid.UniqueThread = 0;
				Status = ZwOpenProcess(&Handle, GENERIC_ALL, &obj, &cid);
				if (NT_SUCCESS(Status))
				{
					ZwTerminateProcess(Handle, 0);
					ZwClose(Handle);
				}
				ZwClose(Handle);
				return 0;
			}
			ObDereferenceObject(pCurrentEprocess);
		}
	}
	return -1;
}

VOID UnDriver(PDRIVER_OBJECT driver)
{
	DbgPrint(("Uninstall Driver Is OK \n"));
}

NTSTATUS DriverEntry(IN PDRIVER_OBJECT Driver, PUNICODE_STRING RegistryPath)
{
	int Retn = 0;
	Retn = KillProcess("calc.exe");
	DbgPrint("结束状态: %d \n", Retn);

	Driver->DriverUnload = UnDriver;
	return STATUS_SUCCESS;
}

内核枚举线程： 内核线程的枚举与进程相似，线程中也存在一个ETHREAD结构，但在枚举线程之前需要先来枚举到指定进程的eprocess结构，然后在根据eprocess结构对指定线程进行枚举。

#include <ntddk.h>
#include <windef.h>

//声明API
NTKERNELAPI UCHAR* PsGetProcessImageFileName(IN PEPROCESS Process);
NTKERNELAPI NTSTATUS PsLookupProcessByProcessId(HANDLE Id, PEPROCESS *Process);
NTKERNELAPI NTSTATUS PsLookupThreadByThreadId(HANDLE Id, PETHREAD *Thread);
NTKERNELAPI PEPROCESS IoThreadToProcess(PETHREAD Thread);

//根据进程ID返回进程EPROCESS，失败返回NULL
PEPROCESS LookupProcess(HANDLE Pid)
{
	PEPROCESS eprocess = NULL;
	if (NT_SUCCESS(PsLookupProcessByProcessId(Pid, &eprocess)))
		return eprocess;
	else
		return NULL;
}

//根据线程ID返回线程ETHREAD，失败返回NULL
PETHREAD LookupThread(HANDLE Tid)
{
	PETHREAD ethread;
	if (NT_SUCCESS(PsLookupThreadByThreadId(Tid, &ethread)))
		return ethread;
	else
		return NULL;
}

//枚举指定进程中的线程
VOID EnumThread(PEPROCESS Process)
{
	ULONG i = 0, c = 0;
	PETHREAD ethrd = NULL;
	PEPROCESS eproc = NULL;
	for (i = 4; i<262144; i = i + 4) // 一般来说没有超过100000的PID和TID
	{
		ethrd = LookupThread((HANDLE)i);
		if (ethrd != NULL)
		{
			//获得线程所属进程
			eproc = IoThreadToProcess(ethrd);
			if (eproc == Process)
			{
				//打印出ETHREAD和TID
				DbgPrint("线程: ETHREAD=%p TID=%ld\n",ethrd,(ULONG)PsGetThreadId(ethrd));
			}
			ObDereferenceObject(ethrd);
		}
	}
}

// 通过枚举的方式定位到指定的进程，这里传递一个进程名称
VOID MyEnumThread(char *ProcessName)
{
	ULONG i = 0;
	PEPROCESS eproc = NULL;
	for (i = 4; i<100000000; i = i + 4)
	{
		eproc = LookupProcess((HANDLE)i);
		if (eproc != NULL)
		{
			ObDereferenceObject(eproc);
			if (strstr(PsGetProcessImageFileName(eproc), ProcessName) != NULL)
			{
				EnumThread(eproc);  // 相等则说明是我们想要的进程，直接枚举其中的线程
			}
		}
	}
}

VOID DriverUnload(IN PDRIVER_OBJECT DriverObject){}

NTSTATUS DriverEntry(IN PDRIVER_OBJECT DriverObject, IN PUNICODE_STRING RegistryPath)
{
	MyEnumThread("calc.exe");
	DriverObject->DriverUnload = DriverUnload;
	return STATUS_SUCCESS;
}

X64驱动：内核操作进线程/模块

内核枚举进程模块： 枚举进程中的所有模块信息，DLL模块记录在 PEB 的 LDR 链表里，LDR 是一个双向链表，枚举链表即可，相应的卸载可使用MmUnmapViewOfSection函数，分别传入进程的EPROCESS，DLL模块基址即可。

#include <ntddk.h>
#include <windef.h>

//声明结构体
typedef struct _KAPC_STATE
{
	LIST_ENTRY ApcListHead[2];
	PKPROCESS Process;
	UCHAR KernelApcInProgress;
	UCHAR KernelApcPending;
	UCHAR UserApcPending;
} KAPC_STATE, *PKAPC_STATE;

typedef struct _LDR_DATA_TABLE_ENTRY
{
	LIST_ENTRY64	InLoadOrderLinks;
	LIST_ENTRY64	InMemoryOrderLinks;
	LIST_ENTRY64	InInitializationOrderLinks;
	PVOID			DllBase;
	PVOID			EntryPoint;
	ULONG			SizeOfImage;
	UNICODE_STRING	FullDllName;
	UNICODE_STRING 	BaseDllName;
	ULONG			Flags;
	USHORT			LoadCount;
	USHORT			TlsIndex;
	PVOID			SectionPointer;
	ULONG			CheckSum;
	PVOID			LoadedImports;
	PVOID			EntryPointActivationContext;
	PVOID			PatchInformation;
	LIST_ENTRY64	ForwarderLinks;
	LIST_ENTRY64	ServiceTagLinks;
	LIST_ENTRY64	StaticLinks;
	PVOID			ContextInformation;
	ULONG64			OriginalBase;
	LARGE_INTEGER	LoadTime;
} LDR_DATA_TABLE_ENTRY, *PLDR_DATA_TABLE_ENTRY;


ULONG64 LdrInPebOffset = 0x018;		//peb.ldr
ULONG64 ModListInPebOffset = 0x010;	//peb.ldr.InLoadOrderModuleList

//声明API
NTKERNELAPI UCHAR* PsGetProcessImageFileName(IN PEPROCESS Process);
NTKERNELAPI PPEB PsGetProcessPeb(PEPROCESS Process);
NTKERNELAPI HANDLE PsGetProcessInheritedFromUniqueProcessId(IN PEPROCESS Process);

//根据进程ID返回进程EPROCESS，失败返回NULL
PEPROCESS LookupProcess(HANDLE Pid)
{
	PEPROCESS eprocess = NULL;
	if (NT_SUCCESS(PsLookupProcessByProcessId(Pid, &eprocess)))
		return eprocess;
	else
		return NULL;
}

//枚举指定进程的模块
VOID EnumModule(PEPROCESS Process)
{
	SIZE_T Peb = 0;
	SIZE_T Ldr = 0;
	PLIST_ENTRY ModListHead = 0;
	PLIST_ENTRY Module = 0;
	ANSI_STRING AnsiString;
	KAPC_STATE ks;
	//EPROCESS地址无效则退出
	if (!MmIsAddressValid(Process))
		return;
	//获取PEB地址
	Peb = (SIZE_T)PsGetProcessPeb(Process);
	//PEB地址无效则退出
	if (!Peb)
		return;
	//依附进程
	KeStackAttachProcess(Process, &ks);
	__try
	{
		//获得LDR地址
		Ldr = Peb + (SIZE_T)LdrInPebOffset;
		//测试是否可读，不可读则抛出异常退出
		ProbeForRead((CONST PVOID)Ldr, 8, 8);
		//获得链表头
		ModListHead = (PLIST_ENTRY)(*(PULONG64)Ldr + ModListInPebOffset);
		//再次测试可读性
		ProbeForRead((CONST PVOID)ModListHead, 8, 8);
		//获得第一个模块的信息
		Module = ModListHead->Flink;
		while (ModListHead != Module)
		{
			//打印信息：基址、大小、DLL路径
			DbgPrint("模块基址=%p 大小=%ld 路径=%wZ\n",(PVOID)(((PLDR_DATA_TABLE_ENTRY)Module)->DllBase),
				(ULONG)(((PLDR_DATA_TABLE_ENTRY)Module)->SizeOfImage),&(((PLDR_DATA_TABLE_ENTRY)Module)->FullDllName));
			Module = Module->Flink;
			//测试下一个模块信息的可读性
			ProbeForRead((CONST PVOID)Module, 80, 8);
		}
	}
	__except (EXCEPTION_EXECUTE_HANDLER){;}
	//取消依附进程
	KeUnstackDetachProcess(&ks);
}

// 通过枚举的方式定位到指定的进程，这里传递一个进程名称
VOID MyEnumModule(char *ProcessName)
{
	ULONG i = 0;
	PEPROCESS eproc = NULL;
	for (i = 4; i<100000000; i = i + 4)
	{
		eproc = LookupProcess((HANDLE)i);
		if (eproc != NULL)
		{
			ObDereferenceObject(eproc);
			if (strstr(PsGetProcessImageFileName(eproc), ProcessName) != NULL)
			{
				EnumModule(eproc);  // 相等则说明是我们想要的进程，直接枚举其中的线程
			}
		}
	}
}

VOID DriverUnload(IN PDRIVER_OBJECT DriverObject){}

NTSTATUS DriverEntry(IN PDRIVER_OBJECT DriverObject, IN PUNICODE_STRING RegistryPath)
{
	MyEnumModule("calc.exe");
	DriverObject->DriverUnload = DriverUnload;
	return STATUS_SUCCESS;
}

X64驱动：内核操作进线程/模块

内核枚举加载SYS文件： 内核中的SYS文件也是通过双向链表的方式相连接的，我们可以通过遍历LDR_DATA_TABLE_ENTRY结构(遍历自身DriverSection成员)，就能够得到全部的模块信息。

#include <ntddk.h>
#include <wdm.h>

typedef struct _LDR_DATA_TABLE_ENTRY {
	LIST_ENTRY InLoadOrderLinks;
	LIST_ENTRY InMemoryOrderLinks;
	LIST_ENTRY InInitializationOrderLinks;
	PVOID DllBase;
	PVOID EntryPoint;
	ULONG SizeOfImages;
	UNICODE_STRING FullDllName;
	UNICODE_STRING BaseDllName;
	ULONG Flags;
	USHORT LoadCount;
	USHORT TlsIndex;
	union {
		LIST_ENTRY HashLinks;
		struct {
			PVOID SectionPointer;
			ULONG CheckSum;
		};
	};
	union {
		struct {
			ULONG TimeDateStamp;
		};
		struct {
			PVOID LoadedImports;
		};
	};
}LDR_DATA_TABLE_ENTRY, *PLDR_DATA_TABLE_ENTRY;

VOID DriverUnload(IN PDRIVER_OBJECT DriverObject){}

NTSTATUS DriverEntry(IN PDRIVER_OBJECT DriverObject, PUNICODE_STRING RegistryPath)
{
	ULONG count = 0;
	NTSTATUS Status;
	DriverObject->DriverUnload = DriverUnload;
	
	PLDR_DATA_TABLE_ENTRY pLdr = NULL;
	PLIST_ENTRY pListEntry = NULL;
	PLDR_DATA_TABLE_ENTRY pModule = NULL;
	PLIST_ENTRY pCurrentListEntry = NULL;

	pLdr = (PLDR_DATA_TABLE_ENTRY)DriverObject->DriverSection;
	pListEntry = pLdr->InLoadOrderLinks.Flink;
	pCurrentListEntry = pListEntry->Flink;

	while (pCurrentListEntry != pListEntry)
	{
		pModule = CONTAINING_RECORD(pCurrentListEntry, LDR_DATA_TABLE_ENTRY, InLoadOrderLinks);
		if (pModule->BaseDllName.Buffer != 0)
		{
			DbgPrint("基址：%p ---> 偏移：%p ---> 结束地址：%p---> 模块名：%wZ \r\n", pModule->DllBase, pModule->SizeOfImages - (LONGLONG)pModule->DllBase, 
				(LONGLONG)pModule->DllBase + pModule->SizeOfImages,pModule->BaseDllName);
		}
		pCurrentListEntry = pCurrentListEntry->Flink;
	}
	DriverObject->DriverUnload = DriverUnload;
	return STATUS_SUCCESS;
}

X64驱动：内核操作进线程/模块

### 监控进程与线程创建

监控进程的启动与退出可以使用 PsSetCreateProcessNotifyRoutineEx 来创建回调，当新进程产生时，回调函数会被率先执行，然后执行我们自己的MyCreateProcessNotifyEx函数，并在内部进行打印输出。

#include <ntddk.h>

NTKERNELAPI PCHAR PsGetProcessImageFileName(PEPROCESS Process);
NTKERNELAPI NTSTATUS PsLookupProcessByProcessId(HANDLE ProcessId, PEPROCESS *Process);

PCHAR GetProcessNameByProcessId(HANDLE ProcessId)
{
	NTSTATUS st = STATUS_UNSUCCESSFUL;
	PEPROCESS ProcessObj = NULL;
	PCHAR string = NULL;
	st = PsLookupProcessByProcessId(ProcessId, &ProcessObj);
	if (NT_SUCCESS(st))
	{
		string = PsGetProcessImageFileName(ProcessObj);
		ObfDereferenceObject(ProcessObj);
	}
	return string;
}

VOID MyCreateProcessNotifyEx(PEPROCESS Process, HANDLE ProcessId, PPS_CREATE_NOTIFY_INFO CreateInfo)
{
	char ProcName[16] = { 0 };
	if (CreateInfo != NULL)
	{
		strcpy(ProcName, PsGetProcessImageFileName(Process));
		DbgPrint("父进程ID: %ld  --->父进程名: %s --->进程名: %s---->进程路径：%wZ", CreateInfo->ParentProcessId,
			GetProcessNameByProcessId(CreateInfo->ParentProcessId),
			PsGetProcessImageFileName(Process),CreateInfo->ImageFileName);
	}
	else
	{
		strcpy(ProcName, PsGetProcessImageFileName(Process));
		DbgPrint("进程[ %s ] 离开了，程序被关闭了",ProcName);
	}
}

VOID UnDriver(PDRIVER_OBJECT driver)
{
	PsSetCreateProcessNotifyRoutineEx((PCREATE_PROCESS_NOTIFY_ROUTINE_EX)MyCreateProcessNotifyEx, TRUE);
}
NTSTATUS DriverEntry(IN PDRIVER_OBJECT Driver, PUNICODE_STRING RegistryPath)
{
	NTSTATUS status;
	status = PsSetCreateProcessNotifyRoutineEx((PCREATE_PROCESS_NOTIFY_ROUTINE_EX)MyCreateProcessNotifyEx, FALSE);
	Driver->DriverUnload = UnDriver;
	return STATUS_SUCCESS;
}

X64驱动：内核操作进线程/模块

在上方代码基础上进行一定的改进，思路：通过PsGetProcessImageFileName即将PID转换为进程名，然后通过_stricmp对比，如果发现是calc.exe进程则拒绝执行，禁止特定服务的运行，实现代码如下：

#include <ntddk.h>

NTKERNELAPI PCHAR PsGetProcessImageFileName(PEPROCESS Process);
NTKERNELAPI NTSTATUS PsLookupProcessByProcessId(HANDLE ProcessId, PEPROCESS *Process);

PCHAR GetProcessNameByProcessId(HANDLE ProcessId)
{
	NTSTATUS st = STATUS_UNSUCCESSFUL;
	PEPROCESS ProcessObj = NULL;
	PCHAR string = NULL;
	st = PsLookupProcessByProcessId(ProcessId, &ProcessObj);
	if (NT_SUCCESS(st))
	{
		string = PsGetProcessImageFileName(ProcessObj);
		ObfDereferenceObject(ProcessObj);
	}
	return string;
}

VOID MyCreateProcessNotifyEx(PEPROCESS Process, HANDLE ProcessId, PPS_CREATE_NOTIFY_INFO CreateInfo)
{
	char ProcName[16] = { 0 };
	if (CreateInfo != NULL)
	{
		strcpy(ProcName, PsGetProcessImageFileName(Process));
		if (!_stricmp(ProcName, "calc.exe"))
		{
			CreateInfo->CreationStatus = STATUS_UNSUCCESSFUL;
		}
	}
}

VOID UnDriver(PDRIVER_OBJECT driver)
{
	PsSetCreateProcessNotifyRoutineEx((PCREATE_PROCESS_NOTIFY_ROUTINE_EX)MyCreateProcessNotifyEx, TRUE);
	DbgPrint(("驱动卸载成功"));
}
NTSTATUS DriverEntry(IN PDRIVER_OBJECT Driver, PUNICODE_STRING RegistryPath)
{
	NTSTATUS status;
	status = PsSetCreateProcessNotifyRoutineEx((PCREATE_PROCESS_NOTIFY_ROUTINE_EX)MyCreateProcessNotifyEx, FALSE);
	Driver->DriverUnload = UnDriver;
	DbgPrint("驱动加载成功!");
	return STATUS_SUCCESS;
}

将上方代码编译，当我们加载驱动程序以后，再次打开C:\Windows\System32\calc.exe 计算器进程则提示无法打开，我们的驱动已经成功的拦截了本次的请求。

X64驱动：内核操作进线程/模块

而检测线程操作与检测进程差不多，检测线程需要调用PsSetCreateThreadNotifyRoutine 创建回调函数，然后就可以检测线程的创建了，具体代码如下：

#include <ntddk.h>

NTKERNELAPI PCHAR PsGetProcessImageFileName(PEPROCESS Process);
NTKERNELAPI NTSTATUS PsLookupProcessByProcessId(HANDLE ProcessId, PEPROCESS *Process);

VOID MyCreateThreadNotify(HANDLE  ProcessId, HANDLE  ThreadId, BOOLEAN  Create)
{
	PEPROCESS eprocess = NULL;
	PsLookupProcessByProcessId(ProcessId, &eprocess);                // 通过此函数拿到程序的EPROCESS结构
	if (Create)
		DbgPrint("线程TID: %1d --> 所属进程名: %s --> 进程PID: %1d \n", ThreadId, PsGetProcessImageFileName(eprocess), PsGetProcessId(eprocess));
	else
		DbgPrint("%s 线程已退出...", ThreadId);
}
VOID UnDriver(PDRIVER_OBJECT driver)
{
	PsRemoveCreateThreadNotifyRoutine(MyCreateThreadNotify);
	DbgPrint(("驱动卸载成功"));
}
NTSTATUS DriverEntry(IN PDRIVER_OBJECT Driver, PUNICODE_STRING RegistryPath)
{
	NTSTATUS status;
	status = PsSetCreateThreadNotifyRoutine(MyCreateThreadNotify);
	DbgPrint("PsSetCreateThreadNotifyRoutine: %x", status);
	Driver->DriverUnload = UnDriver;
	return STATUS_SUCCESS;
}

X64驱动：内核操作进线程/模块

监控进程与线程对象操作

监控进程对象和线程对象操作，可以使用ObRegisterCallbacks这个内核回调函数，通过回调我们可以实现保护calc.exe进程不被关闭，具体操作从OperationInformation->Object获得进程或线程的对象，然后再回调中判断是否是计算器，如果是就直接去掉TERMINATE_PROCESS或TERMINATE_THREAD权限即可，附上进程监控回调的写法：

#include <ntddk.h>
#include <ntstrsafe.h>

PVOID Globle_Object_Handle;

OB_PREOP_CALLBACK_STATUS MyObjectCallBack(PVOID RegistrationContext, POB_PRE_OPERATION_INFORMATION OperationInformation)
{
	DbgPrint("执行了我们的回调函数...");
	return STATUS_SUCCESS;
}
VOID UnDriver(PDRIVER_OBJECT driver)
{
	ObUnRegisterCallbacks(Globle_Object_Handle);
	DbgPrint("回调卸载完成...");
}

NTSTATUS DriverEntry(IN PDRIVER_OBJECT Driver, PUNICODE_STRING RegistryPath)
{
	OB_OPERATION_REGISTRATION Base;                          // 回调函数结构体(你所填的结构都在这里)
	OB_CALLBACK_REGISTRATION CallbackReg;

	CallbackReg.RegistrationContext = NULL;                  // 注册上下文(你回调函数返回参数)
	CallbackReg.Version = OB_FLT_REGISTRATION_VERSION;       // 注册回调版本
	CallbackReg.OperationRegistration = &Base;
	CallbackReg.OperationRegistrationCount = 1;               // 操作计数(下钩数量)
	RtlUnicodeStringInit(&CallbackReg.Altitude, L"600000");   // 长度
	Base.ObjectType = PsProcessType;                          // 进程操作类型.此处为进程操作
	Base.Operations = OB_OPERATION_HANDLE_CREATE;             // 操作句柄创建
	Base.PreOperation = MyObjectCallBack;                     // 你自己的回调函数
	Base.PostOperation = NULL;

	if (ObRegisterCallbacks(&CallbackReg, &Globle_Object_Handle)) // 注册回调
		DbgPrint("回调注册成功...");
	Driver->DriverUnload = UnDriver;
	return STATUS_SUCCESS;
}

上方代码运行后，我们可以打开Xuetr扫描一下内核Object钩子，可以看到已经成功挂钩了。

X64驱动：内核操作进线程/模块

检测计算器进程的关闭状态，代码如下：

#include <ntddk.h>
#include <wdm.h>
#include <ntstrsafe.h>
#define PROCESS_TERMINATE 1

PVOID Globle_Object_Handle;
NTKERNELAPI UCHAR * PsGetProcessImageFileName(__in PEPROCESS Process);

char* GetProcessImageNameByProcessID(ULONG ulProcessID)
{
	NTSTATUS  Status;
	PEPROCESS  EProcess = NULL;
	Status = PsLookupProcessByProcessId((HANDLE)ulProcessID, &EProcess);
	if (!NT_SUCCESS(Status))
		return FALSE;
	ObDereferenceObject(EProcess);
	return (char*)PsGetProcessImageFileName(EProcess);
}
OB_PREOP_CALLBACK_STATUS MyObjectCallBack(PVOID RegistrationContext, POB_PRE_OPERATION_INFORMATION Operation)
{
	char ProcName[256] = { 0 };
	HANDLE pid = PsGetProcessId((PEPROCESS)Operation->Object);           // 取出当前调用函数的PID
	strcpy(ProcName, GetProcessImageNameByProcessID((ULONG)pid));        // 通过PID取出进程名,然后直接拷贝内存
	//DbgPrint("当前进程的名字是：%s", ProcName);

	if (strstr(ProcName, "win32calc.exe"))
	{
		if (Operation->Operation == OB_OPERATION_HANDLE_CREATE)
		{
			if ((Operation->Parameters->CreateHandleInformation.OriginalDesiredAccess & PROCESS_TERMINATE) == PROCESS_TERMINATE)
			{
				DbgPrint("你想结束进程?");
				// 如果是计算器，则去掉它的结束权限，在Win10上无效
				Operation->Parameters->CreateHandleInformation.DesiredAccess = ~THREAD_TERMINATE;
				return STATUS_UNSUCCESSFUL;
			}
		}
	}
	return STATUS_SUCCESS;
}
VOID UnDriver(PDRIVER_OBJECT driver)
{
	ObUnRegisterCallbacks(Globle_Object_Handle);
	DbgPrint("回调卸载完成...");
}
NTSTATUS DriverEntry(IN PDRIVER_OBJECT Driver, PUNICODE_STRING RegistryPath)
{
	NTSTATUS obst = 0;
	OB_CALLBACK_REGISTRATION obReg;
	OB_OPERATION_REGISTRATION opReg;

	memset(&obReg, 0, sizeof(obReg));
	obReg.Version = ObGetFilterVersion();
	obReg.OperationRegistrationCount = 1;
	obReg.RegistrationContext = NULL;
	RtlInitUnicodeString(&obReg.Altitude, L"321125");
	obReg.OperationRegistration = &opReg;
	memset(&opReg, 0, sizeof(opReg));
	opReg.ObjectType = PsProcessType;
	opReg.Operations = OB_OPERATION_HANDLE_CREATE | OB_OPERATION_HANDLE_DUPLICATE;
	opReg.PreOperation = (POB_PRE_OPERATION_CALLBACK)&MyObjectCallBack;
	obst = ObRegisterCallbacks(&obReg, &Globle_Object_Handle);
	Driver->DriverUnload = UnDriver;
	return STATUS_SUCCESS;
}

首先运行计算器，然后启动驱动保护，此时我们在任务管理器中就无法结束计算器进程了。

X64驱动：内核操作进线程/模块

监控进程中模块加载

系统中的模块加载包括用户层模块DLL和内核模块SYS的加载，在 Windows X64 环境下我们可以调用 PsSetLoadImageNotifyRoutine内核函数来设置一个映像加载通告例程，当有驱动或者DLL被加载时，回调函数就会被调用从而执行我们自己的回调例程。

#include <ntddk.h>
#include <ntimage.h>

PVOID GetDriverEntryByImageBase(PVOID ImageBase)
{
	PIMAGE_DOS_HEADER pDOSHeader;
	PIMAGE_NT_HEADERS64 pNTHeader;
	PVOID pEntryPoint;
	pDOSHeader = (PIMAGE_DOS_HEADER)ImageBase;
	pNTHeader = (PIMAGE_NT_HEADERS64)((ULONG64)ImageBase + pDOSHeader->e_lfanew);
	pEntryPoint = (PVOID)((ULONG64)ImageBase + pNTHeader->OptionalHeader.AddressOfEntryPoint);
	return pEntryPoint;
}

VOID MyLoadImageNotifyRoutine(PUNICODE_STRING FullImageName,HANDLE ProcessId,PIMAGE_INFO ImageInfo)
{
	PVOID pDrvEntry;
	if (FullImageName != NULL && MmIsAddressValid(FullImageName)) // MmIsAddress 验证地址可用性
	{
		if (ProcessId == 0)
		{
			pDrvEntry = GetDriverEntryByImageBase(ImageInfo->ImageBase);
			DbgPrint("模块名称:%wZ --> 装载基址:%p --> 镜像长度: %d", FullImageName, pDrvEntry,ImageInfo->ImageSize);
		}
	}
}

VOID UnDriver(PDRIVER_OBJECT driver)
{
	PsRemoveLoadImageNotifyRoutine((PLOAD_IMAGE_NOTIFY_ROUTINE)MyLoadImageNotifyRoutine);
	DbgPrint("驱动卸载完成...");
}

NTSTATUS DriverEntry(IN PDRIVER_OBJECT Driver, PUNICODE_STRING RegistryPath)
{
	PsSetLoadImageNotifyRoutine((PLOAD_IMAGE_NOTIFY_ROUTINE)MyLoadImageNotifyRoutine);
	DbgPrint("驱动加载完成...");
	Driver->DriverUnload = UnDriver;
	return STATUS_SUCCESS;
}

X64驱动：内核操作进线程/模块

接着我们给上方的代码加上判断功能，只需在上方代码的基础上小改一下即可，需要注意回调函数中的第二个参数，如果返回值为零则表示加载SYS，如果返回非零则表示加载DLL

VOID UnicodeToChar(PUNICODE_STRING dst, char *src)
{
	ANSI_STRING string;
	RtlUnicodeStringToAnsiString(&string, dst, TRUE);
	strcpy(src, string.Buffer);
	RtlFreeAnsiString(&string);
}

VOID MyLoadImageNotifyRoutine(PUNICODE_STRING FullImageName,HANDLE ModuleStyle,PIMAGE_INFO ImageInfo)
{
	PVOID pDrvEntry;
	char szFullImageName[256] = { 0 };
	if (FullImageName != NULL && MmIsAddressValid(FullImageName)) // MmIsAddress 验证地址可用性
	{
		if (ModuleStyle == 0)  // ModuleStyle为零表示加载sys非零表示加载DLL
		{
			pDrvEntry = GetDriverEntryByImageBase(ImageInfo->ImageBase);
			UnicodeToChar(FullImageName, szFullImageName);
			if (strstr(_strlwr(szFullImageName), "hook.sys"))
			{
				DbgPrint("准备拦截SYS内核模块：%s", _strlwr(szFullImageName));
			}
		}
	}
}

X64驱动：内核操作进线程/模块

上方代码就可以判断加载的模块并作出处理动作了，但是我们仍然无法判断到底是那个进程加载的hook.sys驱动，因为回调函数很底层，到了一定的深度之后就无法判断到底是谁主动引发的行为了，一切都是系统的行为。

判断了是驱动后，接着我们就要实现屏蔽驱动，通过ImageInfo->ImageBase 来获取被加载驱动程序hook.sys的映像基址，然后找到NT头的OptionalHeader节点，该节点里面就是被加载驱动入口的地址，通过汇编在驱动头部写入ret返回指令，即可实现屏蔽加载特定驱动文件。

#include <ntddk.h>
#include <intrin.h>
#include <ntimage.h>

PVOID GetDriverEntryByImageBase(PVOID ImageBase)
{
	PIMAGE_DOS_HEADER pDOSHeader;
	PIMAGE_NT_HEADERS64 pNTHeader;
	PVOID pEntryPoint;
	pDOSHeader = (PIMAGE_DOS_HEADER)ImageBase;
	pNTHeader = (PIMAGE_NT_HEADERS64)((ULONG64)ImageBase + pDOSHeader->e_lfanew);
	pEntryPoint = (PVOID)((ULONG64)ImageBase + pNTHeader->OptionalHeader.AddressOfEntryPoint);
	return pEntryPoint;
}
VOID UnicodeToChar(PUNICODE_STRING dst, char *src)
{
	ANSI_STRING string;
	RtlUnicodeStringToAnsiString(&string, dst, TRUE);
	strcpy(src, string.Buffer);
	RtlFreeAnsiString(&string);
}
// 使用开关写保护需要在 C/C++ 优化中启用内部函数
KIRQL  WPOFFx64()         // 关闭写保护
{
	KIRQL  irql = KeRaiseIrqlToDpcLevel();
	UINT64  cr0 = __readcr0();
	cr0 &= 0xfffffffffffeffff;
	_disable();
	__writecr0(cr0);
	return  irql;
}
void  WPONx64(KIRQL  irql) // 开启写保护
{
	UINT64  cr0 = __readcr0();
	cr0 |= 0x10000;
	_enable();
	__writecr0(cr0);
	KeLowerIrql(irql);
}

BOOLEAN DenyLoadDriver(PVOID DriverEntry)
{
	UCHAR fuck[] = "\xB8\x22\x00\x00\xC0\xC3";
	KIRQL kirql;
	/* 在模块开头写入以下汇编指令
	Mov eax,c0000022h
	ret
	*/
	if (DriverEntry == NULL) return FALSE;
	kirql = WPOFFx64();
	memcpy(DriverEntry, fuck,sizeof(fuck) / sizeof(fuck[0]));
	WPONx64(kirql);
	return TRUE;
}

VOID MyLoadImageNotifyRoutine(PUNICODE_STRING FullImageName, HANDLE ModuleStyle, PIMAGE_INFO ImageInfo)
{
	PVOID pDrvEntry;
	char szFullImageName[256] = { 0 };
	if (FullImageName != NULL && MmIsAddressValid(FullImageName)) // MmIsAddress 验证地址可用性
	{
		if (ModuleStyle == 0)  // ModuleStyle为零表示加载sys非零表示加载DLL
		{
			pDrvEntry = GetDriverEntryByImageBase(ImageInfo->ImageBase);
			UnicodeToChar(FullImageName, szFullImageName);
			if (strstr(_strlwr(szFullImageName), "hook.sys"))
			{
				DbgPrint("拦截SYS内核模块：%s", szFullImageName);
				DenyLoadDriver(pDrvEntry);
			}
		}
	}
}
VOID UnDriver(PDRIVER_OBJECT driver)
{
	PsRemoveLoadImageNotifyRoutine((PLOAD_IMAGE_NOTIFY_ROUTINE)MyLoadImageNotifyRoutine);
	DbgPrint("驱动卸载完成...");
}
NTSTATUS DriverEntry(IN PDRIVER_OBJECT Driver, PUNICODE_STRING RegistryPath)
{
	PsSetLoadImageNotifyRoutine((PLOAD_IMAGE_NOTIFY_ROUTINE)MyLoadImageNotifyRoutine);
	DbgPrint("驱动加载完成...");
	Driver->DriverUnload = UnDriver;
	return STATUS_SUCCESS;
}

屏蔽DLL加载，只需要在上面的代码上稍微修改一下就好，这里提供到另一种写法。

char *UnicodeToLongString(PUNICODE_STRING uString)
{
	ANSI_STRING asStr;
	char *Buffer = NULL;;
	RtlUnicodeStringToAnsiString(&asStr, uString, TRUE);
	Buffer = ExAllocatePoolWithTag(NonPagedPool, uString->MaximumLength * sizeof(wchar_t), 0);
	if (Buffer == NULL)
		return NULL;
	RtlCopyMemory(Buffer, asStr.Buffer, asStr.Length);
	return Buffer;
}
VOID MyLoadImageNotifyRoutine(PUNICODE_STRING FullImageName, HANDLE ModuleStyle, PIMAGE_INFO ImageInfo)
{
	PVOID pDrvEntry;
	char *PareString = NULL;

	if (MmIsAddressValid(FullImageName))
	{
		if (ModuleStyle != 0)  // 非零则监控DLL加载
		{
			PareString = UnicodeToLongString(FullImageName);
			if (PareString != NULL)
			{
				if (strstr(PareString, "hook.dll"))
				{
					pDrvEntry = GetDriverEntryByImageBase(ImageInfo->ImageBase);
					if (pDrvEntry != NULL)
						DenyLoadDriver(pDrvEntry);
				}
			}
		}
	}
}

我们以屏蔽SYS内核模块为例，当驱动文件WinDDK.sys被加载后，尝试加载hook.sys会提示拒绝访问，说明我们的驱动保护生效了。

X64驱动：内核操作进线程/模块

关键的内核进程骚操作已经分享完了，是不是一脸懵逼十脸茫然？这尼玛是什么鬼，有啥用？其实这东西用处可大了，杀软的主动防御系统，游戏的保护系统等都会用到这些东西，还觉得这些东西没用吗？

X64驱动：内核操作进线程/模块

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