以下代码仅在Win7 x64测试,可以快速调用NT函数
当初研究的目的也只是为了一个稳定通用的ring3 inline hook bypass
funaddr + 5的方法除外,如果你还有其他方法或思路,欢迎交流指导!
Microsoft Windows [版本 6.1.7601]
版权所有 (c) 2009 Microsoft Corporation。保留所有权利。
#include <Windows.h> #include <stdio.h> LONG __declspec(naked) NtCall(DWORD FunctionIndex,DWORD ClassIndex,...) { __asm { push ebp mov ebp,esp mov eax,FunctionIndex mov ecx,ClassIndex lea edx,[ebp+0x10] call fs:[0xC0] add esp,0x4 leave retn } } #define NtTerminateProcess(ProcessHandle,ExitStatus) NtCall(0x29,0x0,ProcessHandle,ExitStatus) #define NtUserSendInput(nInputs,pInput,cbSize) NtCall(0x1082,0x0,nInputs,pInput,cbSize) #define NtDeleteFile(ObjectAttributes) NtCall(0x0B2,0x0,ObjectAttributes) #define NtReadVirtualMemory(ProcessHandle,BaseAddress,Buffer,NumberOfBytesToRead,NumberOfBytesRead) NtCall(0x3C,0x0,ProcessHandle,BaseAddress,Buffer,NumberOfBytesToRead,NumberOfBytesRead) #define NtWriteVirtualMemory(ProcessHandle,BaseAddress,Buffer,NumberOfBytesToWrite,NumberOfBytesWritten) NtCall(0x37,0x0,ProcessHandle,BaseAddress,Buffer,NumberOfBytesToWrite,NumberOfBytesWritten) #define NtOpenProcess(ProcessHandle,DesiredAccess,ObjectAttributes,ClientId) NtCall(0x23,0x0,ProcessHandle,DesiredAccess,ObjectAttributes,ClientId) #define NtClose(Handle) NtCall(0x0C,0x0,Handle) #define NtWaitForSingleObject(ObjectHandle,Alertable,TimeOut) NtCall(0x1,0x0D,ObjectHandle,Alertable,TimeOut) #define NtDelayExecution(Alertable,DelayInterval) NtCall(0x31,0x6,Alertable,DelayInterval) #define NtProtectVirtualMemory(ProcessHandle,BaseAddress,NumberOfBytesToProtect,NewAccessProtection,OldAccessProtection) NtCall(0x4D,0x0,ProcessHandle,BaseAddress,NumberOfBytesToProtect,NewAccessProtection,OldAccessProtection) #define NtAllocateVirtualMemory(ProcessHandle,BaseAddress,ZeroBits,RegionSize,AllocationType,ProtectionType) NtCall(0x15,0x0,ProcessHandle,BaseAddress,ZeroBits,RegionSize,AllocationType,ProtectionType) #define NtFreeVirtualMemory(ProcessHandle,BaseAddress,RegionSize,FreeType) NtCall(0x1B,0x0,ProcessHandle,BaseAddress,RegionSize,FreeType) int main() { printf("Terminating self in one second\n"); Sleep(100); NtTerminateProcess(GetCurrentProcess(),-1); printf("You should never see this message\n"); getchar(); return 0; }
NtCall第一个参数请参考:
; __stdcall ZwTerminateProcess(x, x) public [email protected] [email protected] proc near arg_0= byte ptr 4 mov eax, 29h ; NtTerminateProcess xor ecx, ecx lea edx, [esp+arg_0] call large dword ptr fs:0C0h add esp, 4 retn 8 [email protected] endp ; sp-analysis failed
时间: 2024-12-24 14:08:03