BOOL WINAPI LoadDll(HANDLE hProcess,LPVOID lpBuf,int cbBuf)
{
BOOL br = FALSE; LPVOID m_lpData = VirtualAllocEx(hProcess, NULL,cbBuf,MEM_COMMIT|MEM_RESERVE, PAGE_EXECUTE_READWRITE); if (m_lpData==NULL) { goto cleanup0; } if(!WriteProcessMemory(hProcess,m_lpData,lpBuf,cbBuf,NULL)) { goto cleanup0; } pmemloadparam param = new memloadparam; param->data = m_lpData; param->len = cbBuf; param->userdata = 0; param->fnLoadLibrary = (pfn_LoadLibraryA)GetProcAddress(GetModuleHandle(TEXT("kernel32.dll")),"LoadLibraryA"); param->fnGetProcAddress = (pfn_GetProcAddress)GetProcAddress(GetModuleHandle(TEXT("kernel32.dll")),"GetProcAddress"); param->fnFreeLibrary = (pfn_FreeLibrary)GetProcAddress(GetModuleHandle(TEXT("kernel32.dll")),"FreeLibrary"); param->fnSetLastError = (pfn_SetLastError)GetProcAddress(GetModuleHandle(TEXT("kernel32.dll")),"SetLastError"); param->fnVirtualAlloc = (pfn_VirtualAlloc)GetProcAddress(GetModuleHandle(TEXT("kernel32.dll")),"VirtualAlloc"); param->fnGetProcessHeap = (pfn_GetProcessHeap)GetProcAddress(GetModuleHandle(TEXT("kernel32.dll")),"GetProcessHeap"); param->fnHeapAlloc = (pfn_HeapAlloc)GetProcAddress(GetModuleHandle(TEXT("kernel32.dll")),"HeapAlloc"); param->fnVirtualFree = (pfn_VirtualFree)GetProcAddress(GetModuleHandle(TEXT("kernel32.dll")),"VirtualFree"); param->fnIsBadReadPtr = (pfn_IsBadReadPtr)GetProcAddress(GetModuleHandle(TEXT("kernel32.dll")),"IsBadReadPtr"); param->fnVirtualProtect = (pfn_VirtualProtect)GetProcAddress(GetModuleHandle(TEXT("kernel32.dll")),"VirtualProtect"); param->fnHeapFree = (pfn_HeapFree)GetProcAddress(GetModuleHandle(TEXT("kernel32.dll")),"HeapFree"); param->fnGetNativeSystemInfo = (pfn_GetNativeSystemInfo)GetProcAddress(GetModuleHandle(TEXT("kernel32.dll")),"GetNativeSystemInfo"); param->fnGetCurrentProcess = (pfn_GetCurrentProcess)GetProcAddress(GetModuleHandle(TEXT("kernel32.dll")),"GetCurrentProcess"); param->fnWriteProcessMemory = (pfn_WriteProcessMemory)GetProcAddress(GetModuleHandle(TEXT("kernel32.dll")),"WriteProcessMemory"); param->fnHeapReAlloc = (pfn_HeapReAlloc)GetProcAddress(GetModuleHandle(TEXT("kernel32.dll")),"HeapReAlloc"); param->fnWaitForSingleObject = (pfn_WaitForSingleObject)GetProcAddress(GetModuleHandle(TEXT("kernel32.dll")),"WaitForSingleObject"); param->fnOpenEventA = (pfn_OpenEventA)GetProcAddress(GetModuleHandle(TEXT("kernel32.dll")),"OpenEventA"); param->fnCloseHandle = (pfn_CloseHandle)GetProcAddress(GetModuleHandle(TEXT("kernel32.dll")),"CloseHandle"); param->fnCreateEventA = (pfn_CreateEventA)GetProcAddress(GetModuleHandle(TEXT("kernel32.dll")),"CreateEventA"); LPVOID m_lpParam = VirtualAllocEx(hProcess, NULL,sizeof(memloadparam),MEM_COMMIT|MEM_RESERVE, PAGE_EXECUTE_READWRITE); if (m_lpParam==NULL) { goto cleanup0; } if(!WriteProcessMemory(hProcess,m_lpParam,param,sizeof(memloadparam),NULL)) { goto cleanup0; } LPVOID m_lpShell = VirtualAllocEx(hProcess, NULL,g_ThreadShellCode32_Len,MEM_COMMIT|MEM_RESERVE, PAGE_EXECUTE_READWRITE); if (m_lpShell==NULL) { goto cleanup0; } if(!WriteProcessMemory(hProcess,m_lpShell,g_ThreadShellCode32,g_ThreadShellCode32_Len,NULL)) { goto cleanup0; } HANDLE hThread = CreateRemoteThread(hProcess,NULL,0,(LPTHREAD_START_ROUTINE)m_lpShell,m_lpParam,0,NULL); WaitForSingleObject(hThread,INFINITE); delete param; br = TRUE;
cleanup0:
return br;
}
BOOL _LoadMemDll(LPVOID lpBuf,int cbBuf)
{
LoadDll(GetCurrentProcess(),lpBuf,cbBuf);