驱动中全局hook应用层API函数

extern "C" NTSTATUS DriverEntry(IN PDRIVER_OBJECT DriverObject, IN PUNICODE_STRING RegistryPath)
{

	DbgBreakPoint();
	DriverObject->DriverUnload = DriverUnload;
	NTSTATUS status;
	PEPROCESS Process = NULL;
	HANDLE ProcessHandle = NULL;
	KAPC_STATE kApc;
	HANDLE ProcessId = (HANDLE)1332;
	pfnNtProtectVirtualMemory = (fnNtProtectVirtualMemory)0x83E88403;

	PVOID pUser32dll = NULL;
	PVOID pMessage = NULL;

	if (!NT_SUCCESS(PsLookupProcessByProcessId(ProcessId, &Process))) return STATUS_SUCCESS;
	ObfDereferenceObject(Process);

	ProcessHandle=MyOpenProcess(ProcessId);

	pUser32dll = GetUserModule(ProcessId, L"user32.dll");
	if (pUser32dll)
	{
		pMessage = GetImageFunctionAddress(ProcessId, pUser32dll, L"MessageBoxW");

		//附加进程
		KeStackAttachProcess(Process, &kApc);
		char ShelCode[] = { 0xc2,0x10,0x00 };


		int ttt=0;
		RtlCopyMemory(&ttt, pMessage, sizeof(int));

		ULONG OldProtect = 0;
		SIZE_T ProtectSize =PAGE_SIZE;
		PVOID ProtectAddress = pMessage;
		status = pfnNtProtectVirtualMemory(ProcessHandle, &ProtectAddress, &ProtectSize, PAGE_EXECUTE_READWRITE, &OldProtect);
		if (NT_SUCCESS(status))
		{
			if (ProtectAddress != pMessage)
			{
				 status = pfnNtProtectVirtualMemory(ProcessHandle, &ProtectAddress, &ProtectSize, PAGE_EXECUTE_READWRITE, &OldProtect);
				 if (NT_SUCCESS(status))
				 {
					 WPOFF();
					 RtlCopyMemory(pMessage, ShelCode, sizeof(ShelCode));
					 WPON();
				 }
			}
		}
		//剥离进程
		KeUnstackDetachProcess(&kApc);
		ObDereferenceObject(Process);
	}

	ZwClose(ProcessHandle);


	return STATUS_SUCCESS;
}