- 注册时间
- 2021-4-16
- 最后登录
- 2024-9-9
- 在线时间
- 6 小时
编程入门
- 龙马币
- 72
|
第一个函数是成功的,第二个函数运行发现会将目标程序挂死,也许是目标程序有保护机制
支持Unicode编码。
-
- //-----------------------------------------------------------------------------------------------------------
- // 函数: InjectDll
- // 功能: 向目标进程中注入一个指定 Dll 模块文件.
- // 参数: [in] const TCHAR* ptszDllFile - Dll 文件名及路径
- // [in] DWORD dwProcessId - 目标进程 ID
- // 返回: bool - 注入成功返回 true, 注入失败则返回 false.
- // 说明: 采用远程线程注入技术实现
- //-----------------------------------------------------------------------------------------------------------
- bool InjectDll(const TCHAR* ptszDllFile, DWORD dwProcessId)
- {
- // 参数无效
- if (NULL == ptszDllFile || 0 == ::_tcslen(ptszDllFile))
- {
- return false;
- }
- // 指定 Dll 文件不存在
- if (-1 == _taccess(ptszDllFile, 0))
- {
- return false;
- }
- HANDLE hProcess = NULL;
- HANDLE hThread = NULL;
- DWORD dwSize = 0;
- TCHAR* ptszRemoteBuf = NULL;
- LPTHREAD_START_ROUTINE lpThreadFun = NULL;
- // 获取目标进程句柄
- hProcess = ::OpenProcess(PROCESS_CREATE_THREAD | PROCESS_VM_OPERATION | PROCESS_VM_WRITE, FALSE, dwProcessId);
- if (NULL == hProcess)
- {
- return false;
- }
- // 在目标进程中分配内存空间
- dwSize = (DWORD)::_tcslen(ptszDllFile) + 1;
- ptszRemoteBuf = (TCHAR*)::VirtualAllocEx(hProcess, NULL, dwSize * sizeof(TCHAR), MEM_COMMIT, PAGE_READWRITE);
- if (NULL == ptszRemoteBuf)
- {
- ::CloseHandle(hProcess);
- return false;
- }
- // 在目标进程的内存空间中写入所需参数(模块名)
- if (FALSE == ::WriteProcessMemory(hProcess, ptszRemoteBuf, (LPVOID)ptszDllFile, dwSize * sizeof(TCHAR), NULL))
- {
- ::VirtualFreeEx(hProcess, ptszRemoteBuf, dwSize, MEM_DECOMMIT);
- ::CloseHandle(hProcess);
- return false;
- }
- // 从 Kernel32.dll 中获取 LoadLibrary 函数地址
- #ifdef _UNICODE
- lpThreadFun = (PTHREAD_START_ROUTINE)::GetProcAddress(::GetModuleHandle(_T("Kernel32")), "LoadLibraryW");
- #else
- lpThreadFun = (PTHREAD_START_ROUTINE)::GetProcAddress(::GetModuleHandle(_T("Kernel32")), "LoadLibraryA");
- #endif
- if (NULL == lpThreadFun)
- {
- ::VirtualFreeEx(hProcess, ptszRemoteBuf, dwSize, MEM_DECOMMIT);
- ::CloseHandle(hProcess);
- return false;
- }
- // 创建远程线程调用 LoadLibrary
- hThread = ::CreateRemoteThread(hProcess, NULL, 0, lpThreadFun, ptszRemoteBuf, 0, NULL);
- if (NULL == hThread)
- {
- ::VirtualFreeEx(hProcess, ptszRemoteBuf, dwSize, MEM_DECOMMIT);
- ::CloseHandle(hProcess);
- return false;
- }
- // 等待远程线程结束
- ::WaitForSingleObject(hThread, INFINITE);
- // 清理
- ::VirtualFreeEx(hProcess, ptszRemoteBuf, dwSize, MEM_DECOMMIT);
- ::CloseHandle(hThread);
- ::CloseHandle(hProcess);
- return true;
- }
- //-----------------------------------------------------------------------------------------------------------
- // 函数: UnInjectDll
- // 功能: 从目标进程中卸载一个指定 Dll 模块文件.
- // 参数: [in] const TCHAR* ptszDllFile - Dll 文件名及路径
- // [in] DWORD dwProcessId - 目标进程 ID
- // 返回: bool - 卸载成功返回 true, 卸载失败则返回 false.
- // 说明: 采用远程线程注入技术实现
- //-----------------------------------------------------------------------------------------------------------
- bool UnInjectDll(const TCHAR* ptszDllFile, DWORD dwProcessId)
- {
- // 参数无效
- if (NULL == ptszDllFile || 0 == ::_tcslen(ptszDllFile))
- {
- return false;
- }
- HANDLE hModuleSnap = INVALID_HANDLE_VALUE;
- HANDLE hProcess = NULL;
- HANDLE hThread = NULL;
- // 获取模块快照
- hModuleSnap = ::CreateToolhelp32Snapshot(TH32CS_SNAPMODULE, dwProcessId);
- if (INVALID_HANDLE_VALUE == hModuleSnap)
- {
- return false;
- }
- MODULEENTRY32 me32;
- memset(&me32, 0, sizeof(MODULEENTRY32));
- me32.dwSize = sizeof(MODULEENTRY32);
- // 开始遍历
- if(FALSE == ::Module32First(hModuleSnap, &me32))
- {
- ::CloseHandle(hModuleSnap);
- return false;
- }
- // 遍历查找指定模块
- bool isFound = false;
- do
- {
- isFound = (0 == ::_tcsicmp(me32.szModule, ptszDllFile) || 0 == ::_tcsicmp(me32.szExePath, ptszDllFile));
- if (isFound) // 找到指定模块
- {
- break;
- }
- } while (TRUE == ::Module32Next(hModuleSnap, &me32));
- ::CloseHandle(hModuleSnap);
- if (false == isFound)
- {
- return false;
- }
- // 获取目标进程句柄
- hProcess = ::OpenProcess(PROCESS_CREATE_THREAD | PROCESS_VM_OPERATION, FALSE, dwProcessId);
- if (NULL == hProcess)
- {
- return false;
- }
- // 从 Kernel32.dll 中获取 FreeLibrary 函数地址
- LPTHREAD_START_ROUTINE lpThreadFun = (PTHREAD_START_ROUTINE)::GetProcAddress(::GetModuleHandle(_T("Kernel32")), "FreeLibrary");
- if (NULL == lpThreadFun)
- {
- ::CloseHandle(hProcess);
- return false;
- }
- // 创建远程线程调用 FreeLibrary
- hThread = ::CreateRemoteThread(hProcess, NULL, 0, lpThreadFun, me32.modBaseAddr /* 模块地址 */, 0, NULL);
- if (NULL == hThread)
- {
- ::CloseHandle(hProcess);
- return false;
- }
- // 等待远程线程结束
- ::WaitForSingleObject(hThread, INFINITE);
- // 清理
- ::CloseHandle(hThread);
- ::CloseHandle(hProcess);
- return true;
- }
复制代码 |
|