Win7创建远程线程代码,C代码库,德仔网

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【C】 Win7创建远程线程
作者:DDT / 发布于2012/10/8/ 478
#include <windows.h></div>
<div>
BOOL APIENTRY DllMain(HINSTANCE hInstance, DWORD dwReason, LPVOID lpReserved)
{
CHAR Buff[256];

switch(dwReason)
{
case DLL_PROCESS_ATTACH:
_snprintf(Buff, sizeof(Buff)-1, "[*] DLL injected into process %u\n", GetCurrentProcessId());
OutputDebugString(Buff);
//__asm int 3
break;

default:
break;
 }
 return TRUE;
}
<div></div>
<div></div>
<div></div>
<div>define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <strsafe.h>
#include <stdio.h>
#include <stdlib.h></div>
<div>pragma comment (lib, "advapi32.lib")</div>
<div>DWORD GetDebugPrivilege()
{
HANDLE hToken;
DWORD Ret=1;
TOKEN_PRIVILEGES TP;</div>
if(!OpenProcessToken(GetCurrentProcess(), TOKEN_ADJUST_PRIVILEGES, &hToken))
{
printf("[-] Error in GetDebugPrivilege OpenProcessToken: %u\n", GetLastError());
Ret=0;
goto bye;
} 

if(!LookupPrivilegeValue(NULL, SE_DEBUG_NAME, &TP.Privileges[0].Luid))
{
printf("[-] Error in GetDebugPrivilege LookupPrivilegeValue: %u\n", GetLastError());
Ret=0;
goto bye;

}

TP.PrivilegeCount=1;
TP.Privileges[0].Attributes=SE_PRIVILEGE_ENABLED;

if(!AdjustTokenPrivileges(hToken,
FALSE,
&TP,
0,
NULL,
NULL))
{
printf("[-] Error in GetDebugPrivilege with AdjustTokenPrivileges: %u\n", GetLastError());
Ret=0;
goto bye;
}

bye:
CloseHandle(hToken);

return Ret;
}
<div>
/*
kernelbase.dll
7597BD24 6A 0C PUSH 0C
7597BD26 68 01000100 PUSH 10001
7597BD2B 53 PUSH EBX
7597BD2C 8D85 F0FDFFFF LEA EAX, DWORD PTR SS:[EBP-210]
7597BD32 50 PUSH EAX
7597BD33 FF15 00129775 CALL NEAR DWORD PTR DS:[<&ntdll.CsrClientCallServer>] ; ntdll.CsrClientCallServer
7597BD39 8B85 10FEFFFF MOV EAX, DWORD PTR SS:[EBP-1F0]
7597BD3F 8985 E8FDFFFF MOV DWORD PTR SS:[EBP-218], EAX
7597BD45 399D E8FDFFFF CMP DWORD PTR SS:[EBP-218], EBX
7597BD4B 0F8C 13D80100 JL KERNELBA.75999564
*/</div>
<div>DWORD __stdcall MyCsrClientCallServer(PVOID Arg1, PVOID Arg2, DWORD Arg3, DWORD Arg4)
{
*(PDWORD)((PBYTE)Arg1+0x20)=0;
return 0;
}
<div>
DWORD ScanIatForImportAddress(HANDLE hModule, PCHAR Import)
{
PIMAGE_DOS_HEADER DosHeader;
PIMAGE_NT_HEADERS NtHeader;
PIMAGE_IMPORT_DESCRIPTOR ImportDescriptor;
PIMAGE_THUNK_DATA OriginalThunk;
PDWORD FirstThunk;
PIMAGE_IMPORT_BY_NAME ImportByName;
PCHAR Name;
DWORD i;

if(hModule==NULL || Import==NULL)
return 0;

DosHeader=(PIMAGE_DOS_HEADER)hModule;
NtHeader=(PIMAGE_NT_HEADERS)((PBYTE)hModule+DosHeader->e_lfanew);
ImportDescriptor=(PIMAGE_IMPORT_DESCRIPTOR)((PBYTE)hModule+NtHeader->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_IMPORT].VirtualAddress);

while(*(PDWORD)ImportDescriptor!=0)
{
//printf("[*] Module : %s\n", ((PBYTE)hModule+ImportDescriptor->Name));
OriginalThunk=(PIMAGE_THUNK_DATA)((PBYTE)hModule+ImportDescriptor->OriginalFirstThunk);
FirstThunk=(PDWORD)((PBYTE)hModule+ImportDescriptor->FirstThunk);
i=0;
while(*(PDWORD)OriginalThunk!=0)
{
ImportByName=(PIMAGE_IMPORT_BY_NAME)((PBYTE)hModule+OriginalThunk->u1.AddressOfData);
Name=(PCHAR)((PBYTE)ImportByName+sizeof(WORD));
//printf("[*] ImportName(%u): %s\n", ImportByName->Hint, Name);

if(_stricmp(Name, Import)==0)
return (DWORD)&FirstThunk[i++];

OriginalThunk++;
i++;
}
ImportDescriptor++;
}

return 0;
}
<div>
HANDLE WINAPI MyCreateRemoteThread(
 __in HANDLE hProcess,
 __in LPSECURITY_ATTRIBUTES lpThreadAttributes,
 __in SIZE_T dwStackSize,
 __in LPTHREAD_START_ROUTINE lpStartAddress,
 __in LPVOID lpParameter,
 __in DWORD dwCreationFlags,
 __out LPDWORD lpThreadId
)
{
HANDLE hThread;
DWORD ImportAddress, OriginalCsrClientCallServer, OldProtect;</div>
<div>ImportAddress=ScanIatForImportAddress(GetModuleHandle("kernelbase.dll"), "CsrClientCallServer");
if(ImportAddress==0)
{
printf("[-] Error in MyCreateRemoteThread with ScanIatForThunk : Cannot find thunk address\n");
return NULL;
}
printf("[*] CsrClientCallServer import address at : 0x%x\n", ImportAddress);

VirtualProtect((PVOID)ImportAddress, sizeof(DWORD), PAGE_EXECUTE_READWRITE, &OldProtect);
OriginalCsrClientCallServer=*(PDWORD)ImportAddress;
*(PDWORD)ImportAddress=(DWORD)MyCsrClientCallServer;

hThread=CreateRemoteThread(hProcess, lpThreadAttributes, dwStackSize, lpStartAddress, lpParameter, dwCreationFlags, lpThreadId);
if(hThread==NULL)
{
printf("[-] Error in MyCreateRemoteThread with CreateRemoteThread : %u\n", GetLastError());
return NULL;
}
*(PDWORD)ImportAddress=OriginalCsrClientCallServer;
VirtualProtect((PVOID)ImportAddress, sizeof(DWORD), OldProtect, &OldProtect);</div>
<div>return hThread;
}
<div>
BOOLEAN InjectDll(DWORD Pid, LPTSTR DllName)
{
DWORD ThreadID;
HANDLE hThread;
HANDLE hProcess;
DWORD InjectSize;
LPVOID Arg;
LPTHREAD_START_ROUTINE Injector;
CHAR FullDllPath[MAX_PATH];

RtlZeroMemory(FullDllPath, sizeof(FullDllPath));
GetCurrentDirectory(sizeof(FullDllPath)-sizeof(CHAR), FullDllPath);
StringCbCat(FullDllPath, sizeof(FullDllPath)-strlen(FullDllPath)-sizeof(CHAR), "\\");
StringCbCat(FullDllPath, sizeof(FullDllPath)-strlen(FullDllPath)-sizeof(CHAR), DllName);

printf("[*] FullDllPath : %s\n", FullDllPath);</div>
if(!GetDebugPrivilege())
{
printf("[-] Error in InjectDll with GetDebugPrivilege : Cannot grant SeDebugPrivilege\n");
return FALSE;
}
<div>hProcess=OpenProcess(PROCESS_VM_OPERATION|PROCESS_VM_WRITE|PROCESS_VM_READ|PROCESS_CREATE_THREAD|PROCESS_QUERY_INFORMATION, FALSE, Pid);
if(hProcess==NULL)
{
printf("[-] Error in InjectDll with OpenProcess : %u\n", GetLastError());
return FALSE;
}

InjectSize=strlen(FullDllPath)+1;</div>
<div>Arg=VirtualAllocEx(hProcess, NULL, InjectSize, MEM_COMMIT, PAGE_READWRITE);
if(Arg==NULL)
{
printf("[-] Error in InjectDll with VirtualAllocEx : %u\n", GetLastError());
CloseHandle(hProcess);
return FALSE;
}
if(WriteProcessMemory(hProcess, Arg, FullDllPath, InjectSize, 0)==FALSE)
{
printf("[-] Error in InjectDll with WriteProcessMemory : %u\n", GetLastError());
CloseHandle(hProcess);
return FALSE;
}
<div>Injector=(LPTHREAD_START_ROUTINE)GetProcAddress(GetModuleHandle("kernel32.dll"), "LoadLibraryA");
hThread=MyCreateRemoteThread(hProcess, NULL, 0, Injector , Arg, 0, &ThreadID);
if(hThread==NULL)
{
printf("[-] Error in InjectDll with MyCreateRemoteThread : %u\n", GetLastError());
CloseHandle(hProcess);
return FALSE;
}
if(WaitForSingleObject(hThread, INFINITE)==WAIT_FAILED)
{
printf("[-] Error in InjectDll with WaitForSingleObject : %u\n", GetLastError());</div>
<div>CloseHandle(hProcess);
CloseHandle(hThread);
return FALSE;
}
if(VirtualFreeEx(hProcess, Arg, 0, MEM_DECOMMIT)==FALSE)
{
printf("[-] Error in InjectDll with VirtualFreeEx : %u\n", GetLastError());</div>
<div>CloseHandle(hProcess);
CloseHandle(hThread);
return FALSE;
}
<div>CloseHandle(hProcess);
CloseHandle(hThread);</div>
<div>return TRUE;
}
<div>
int __cdecl main(int argc, char * argv[])
{
DWORD Pid;

printf("Custom CreateRemoteThread() which bypass subsystem control\nBy Ivanlef0u\nBE M4D !\n\n");

if(argc<3)
{
printf("Usage is : %s <pid> <dll name>\n");
return 0;
}

Pid=strtoul(argv[1], NULL, 10);
if(Pid==0 || Pid==4)
return 0;

InjectDll(Pid, argv[2]);

printf("[+] Dll successfully injected !\n");

return 0;
}
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