#include <windows.h>
#include <iostream>
#include <string>
#include <TlHelp32.h>
int main(int argc, char* argv[]) {
if (argc < 2) {
return 1;
}
DWORD processId = std::stoul(argv[1]);
char buffer[MAX_PATH];
GetModuleFileNameA(NULL, buffer, MAX_PATH);
std::string exePath = std::string(buffer);
std::string dllPath = exePath.substr(0, exePath.find_last_of("\\/")) + "\\M2DllProject.dll";
HANDLE hProcess = OpenProcess(PROCESS_ALL_ACCESS, FALSE, processId);
if (hProcess == NULL) {
return 2;
}
LPVOID pDllPath = VirtualAllocEx(hProcess, 0, dllPath.length() + 1, MEM_COMMIT, PAGE_READWRITE);
if (pDllPath == NULL) {
CloseHandle(hProcess);
return 3;
}
WriteProcessMemory(hProcess, pDllPath, (LPVOID)dllPath.c_str(), dllPath.length() + 1, 0);
HMODULE hKernel32 = GetModuleHandleA("kernel32.dll");
LPVOID pLoadLibrary = (LPVOID)GetProcAddress(hKernel32, "LoadLibraryA");
HANDLE hThread = CreateRemoteThread(hProcess, 0, 0, (LPTHREAD_START_ROUTINE)pLoadLibrary, pDllPath, 0, 0);
if (hThread == NULL) {
VirtualFreeEx(hProcess, pDllPath, 0, MEM_RELEASE);
CloseHandle(hProcess);
return 4;
}
WaitForSingleObject(hThread, INFINITE);
VirtualFreeEx(hProcess, pDllPath, 0, MEM_RELEASE);
CloseHandle(hThread);
CloseHandle(hProcess);
return 0;
}
