zwSetSystemInformation加载驱动API调用源码
zwSetSystemInformation函数是个未公开的函数,调用38号会加载驱动
对应的第二个参数为SYSTEM_LOAD_AND_CALL_IMAGE结构体
第三个参数为SYSTEM_LOAD_AND_CALL_IMAGE结构体的长度
#include <Windows.h>
#include <stdio.h>
#define NT_SUCCESS(Status) ((NTSTATUS)(Status) >= 0)
#define SystemLoadAndCallImage 38
typedef struct _UNICODE_STRING {
USHORT Length;
USHORT MaximumLength;
PVOIDBuffer;
}UNICODE_STRING, *PUNICODE_STRING;
//typedef unsigned long NTSTATUS;
typedef struct _SYSTEM_LOAD_AND_CALL_IMAGE{
UNICODE_STRING ModuleName;
} SYSTEM_LOAD_AND_CALL_IMAGE,*PSYSTEM_LOAD_AND_CALL_IMAGE;
//声明三个函数的原型
typedef DWORD (CALLBACK* ZWSETSYSTEMINFORMATION)(DWORD, PVOID, LONG );
ZWSETSYSTEMINFORMATION ZwSetSystemInformation;
//typedef DWORD (CALLBACK* RTLINITUNICODESTRING)(PUNICODE_STRING, PCWSTR);
//RTLINITUNICODESTRING RtlInitUnicodeString;
typedef DWORD (CALLBACK* RTLANSISTRINGTOUNICODESTRING)(PVOID, PVOID, DWORD);
RTLANSISTRINGTOUNICODESTRING RtlAnsiStringToUnicodeString;
int main(int argc, char* argv)
{
SYSTEM_LOAD_AND_CALL_IMAGE gregsImage;
UNICODE_STRING TmpBuff;
char szDrvFullPath;
int iBufflen;
//手工加载这三个函数
//if (!(RtlInitUnicodeString = (RTLINITUNICODESTRING)GetProcAddress(GetModuleHandle("ntdll.dll"),"RtlInitUnicodeString")))
//{
// printf("GetProcAddrss error:%d\n", GetLastError());
// exit(-1);
//}
if (!(RtlAnsiStringToUnicodeString = (RTLANSISTRINGTOUNICODESTRING)GetProcAddress(GetModuleHandle("ntdll.dll"),"RtlAnsiStringToUnicodeString")))
{
printf("GetProcAddrss error:%d\n", GetLastError());
exit(-1);
}
if (!(ZwSetSystemInformation = (ZWSETSYSTEMINFORMATION)GetProcAddress(GetModuleHandle("ntdll.dll"),"ZwSetSystemInformation")))
{
printf("GetProcAddrss error:%d\n", GetLastError());
exit(-1);
}
//ring 0 访问磁盘时要用\\??\\%s 的方式, 以前出错时少了一个?
iBufflen = sprintf(szDrvFullPath, "\\??\\%s", "c:\\aaa.sys");
szDrvFullPath = 0;
TmpBuff.Buffer = (PVOID)szDrvFullPath;
TmpBuff.Length = iBufflen;
RtlAnsiStringToUnicodeString(&(gregsImage.ModuleName), &TmpBuff, 1);
if (NT_SUCCESS(ZwSetSystemInformation(SystemLoadAndCallImage, &gregsImage, sizeof(SYSTEM_LOAD_AND_CALL_IMAGE))))
{
printf("drive %s was loaded....", szDrvFullPath);
}
else
{
printf("dirve load error...");
}
getchar();
return 1;
}
其中,aaa.sys的代码为:
#include <ntddk.h>
DRIVER_UNLOAD Unload;
VOID Unload( __instruct _DRIVER_OBJECT *DriverObjec t)
{
KdPrint(("unload ....."));
}
NTSTATUS DriverEntry( __inPDRIVER_OBJECT DriverObject, __inPUNICODE_STRING RegistryPath )
{
DriverObject->DriverUnload = Unload;
KdPrint(("dirver entry...."));
return STATUS_SUCCESS;
}
将生成的aaa.sys放到C盘根目录,运行ring 3的程序。
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