[英]Running a process from memory C/C++
我的功能:
/*
--_--_--_--_--_--_--_--_--_--_--_--_--_--_--_--_--_--_--_--_--_--_--_--_
runPE(
dosheader ptr,
ntheader ptr,
sectionheader ptr,
ptr to exebuffer,
DWORD SizeOfImage(Alignment fixed))
_--_--_--_--_--_--_--_--_--_--_--_--_--_--_--_--_--_--_--_--_--_--_--_--
*/
int runPE2(IMAGE_DOS_HEADER* pDOS,IMAGE_NT_HEADERS * pNT,IMAGE_SECTION_HEADER * pSection,char* pData,DWORD szImage)
{
STARTUPINFO si = {0};
PROCESS_INFORMATION pi;
CONTEXT ctx;
if(CreateProcess(NULL,szFileName,NULL, NULL, 0, CREATE_SUSPENDED, NULL, NULL, &si,&pi))
{
ctx.ContextFlags = CONTEXT_FULL;
if(!GetThreadContext(pi.hThread,&ctx))
{
MessageBoxA(0,"GetThreadContext Error!","Error",0);
}
DWORD dwImagebase = NULL;
DWORD dwBytesRead = NULL;
DWORD dwByteswritten = NULL;
DWORD dwOldProtection = NULL;
if(!ReadProcessMemory(pi.hProcess,(LPVOID)(ctx.Ebx + 8),&dwImagebase,sizeof(DWORD),&dwBytesRead))
{
MessageBoxA(0,"RPM Error!","Error",0);
}
VirtualProtect(&pNT->OptionalHeader.ImageBase,sizeof(DWORD),PAGE_READWRITE,&dwOldProtection);
pNT->OptionalHeader.ImageBase = dwImagebase;
VirtualProtect(&pNT->OptionalHeader.ImageBase,sizeof(DWORD),dwOldProtection,&dwOldProtection);
UnmapViewOfSection_ pZwUnmapViewOfSection = (UnmapViewOfSection_)GetProcAddress(GetModuleHandle("ntdll.dll"), "ZwUnmapViewOfSection");
if(pZwUnmapViewOfSection(pi.hProcess, (LPVOID)dwImagebase) != 0)
{
MessageBoxA(0,"Unmaping Error!","Error",0);
}
void* newBase = VirtualAllocEx(pi.hProcess, (LPVOID)pNT->OptionalHeader.ImageBase,szImage, MEM_RESERVE | MEM_COMMIT, PAGE_EXECUTE_READWRITE);
if(!newBase)
{
MessageBoxA(0,"Allocting Error!","Error",0);
}
if(!WriteProcessMemory(pi.hProcess,(LPVOID)(ctx.Ebx + 8),newBase, sizeof(DWORD), &dwByteswritten))
{
MessageBoxA(0,"WPM Imagebase Error!","Error",0);
}
if(!WriteProcessMemory(pi.hProcess,newBase,pData,pNT->OptionalHeader.SizeOfHeaders, &dwByteswritten))
{
MessageBoxA(0,"WPM SizeOfHeaders Error!","Error",0);
}
for(int i = 0; i < pNT->FileHeader.NumberOfSections; i++)
{
pSection = (PIMAGE_SECTION_HEADER)((char*)(pData + pDOS->e_lfanew + sizeof(IMAGE_NT_HEADERS) + sizeof(IMAGE_SECTION_HEADER) * i));
if(!WriteProcessMemory(pi.hProcess,(char*)(pNT->OptionalHeader.ImageBase + pSection->VirtualAddress),(char*)(pData + pSection->PointerToRawData),pSection->SizeOfRawData, &dwByteswritten))
{
MessageBoxA(0,"WPM in LOOP Error!","Error",0);
}
}
ctx.Eax = (DWORD)newBase + pNT->OptionalHeader.AddressOfEntryPoint; // eax holds new entry point
if(!SetThreadContext(pi.hThread,&ctx))
{
MessageBoxA(0,"SetThreadContext Error!","Error",0);
}
if(!ResumeThread(pi.hThread))
{
MessageBoxA(0,"ResumeThread Error!","Error",0);
}
CloseHandle(pi.hThread);
CloseHandle(pi.hProcess);
TerminateProcess(pi.hProcess,0);
return 1;
}
return -1;
}
我在ResumeThread之后得到的錯誤是“應用程序無法正確啟動(0xc0000005)
感謝您閱讀,希望有人能幫忙
信息:操作系統:Win7編譯器VC ++ 2010目標應用程序; 簡單的“ Hello World”應用程序; Win32控制台
檢查VirtualProtect功能。 似乎已失敗。 調用GetLastError()。 我認為應該是值0x1e7。 檢查您的基本地址和“ .text”部分中的地址。 我是通過手動處理導入表來完成的。 只是一個簡單的PE解析器和GetProcAddress函數。 之后,您需要計算您的進程基地址並應用存儲在“ .reloc”部分中的重定位。
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