Add files

main.cpp

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+#include <windows.h>
+#include <iostream>
+
+int main() {
+    // 要启动的进程名
+    const char* processName = "jewena.exe";
+    // 要注入的 DLL 路径
+    const char* dllPath = "jewena_patch.dll";
+
+    // 启动进程
+    STARTUPINFOA si;
+    PROCESS_INFORMATION pi;
+    ZeroMemory(&si, sizeof(si));
+    ZeroMemory(&pi, sizeof(pi));
+
+    si.cb = sizeof(si);
+
+    // 创建新进程
+    if (!CreateProcessA(processName, NULL, NULL, NULL, FALSE, CREATE_SUSPENDED, NULL, NULL, &si, &pi)) {
+        std::cerr << "CreateProcess failed: " << GetLastError() << std::endl;
+        return 1;
+    }
+
+    // 在新进程中分配内存以存放 DLL 路径
+    LPVOID pDllPath = VirtualAllocEx(pi.hProcess, NULL, strlen(dllPath) + 1, MEM_COMMIT | MEM_RESERVE, PAGE_READWRITE);
+    if (!pDllPath) {
+        std::cerr << "VirtualAllocEx failed: " << GetLastError() << std::endl;
+        CloseHandle(pi.hProcess);
+        CloseHandle(pi.hThread);
+        return 1;
+    }
+
+    // 将 DLL 路径写入新进程的内存
+    if (!WriteProcessMemory(pi.hProcess, pDllPath, (LPVOID)dllPath, strlen(dllPath) + 1, NULL)) {
+        std::cerr << "WriteProcessMemory failed: " << GetLastError() << std::endl;
+        VirtualFreeEx(pi.hProcess, pDllPath, 0, MEM_RELEASE);
+        CloseHandle(pi.hProcess);
+        CloseHandle(pi.hThread);
+        return 1;
+    }
+
+    // 创建远程线程以加载 DLL
+    HANDLE hThread = CreateRemoteThread(pi.hProcess, NULL, 0, (LPTHREAD_START_ROUTINE)GetProcAddress(GetModuleHandleA("kernel32.dll"), "LoadLibraryA"), pDllPath, 0, NULL);
+    if (!hThread) {
+        std::cerr << "CreateRemoteThread failed: " << GetLastError() << std::endl;
+        VirtualFreeEx(pi.hProcess, pDllPath, 0, MEM_RELEASE);
+        CloseHandle(pi.hProcess);
+        CloseHandle(pi.hThread);
+        return 1;
+    }
+
+    // 等待线程完成
+    WaitForSingleObject(hThread, INFINITE);
+
+    // 清理
+    VirtualFreeEx(pi.hProcess, pDllPath, 0, MEM_RELEASE);
+    CloseHandle(hThread);
+    ResumeThread(pi.hThread); // 恢复新进程的执行
+    CloseHandle(pi.hProcess);
+    CloseHandle(pi.hThread);
+
+    std::cout << "DLL injected successfully." << std::endl;
+    return 0;
+}