JEMBOT MAWOT Bypass Shell

<?php
/**
 * Copyright since 2007 PrestaShop SA and Contributors
 * PrestaShop is an International Registered Trademark & Property of PrestaShop SA
 *
 * NOTICE OF LICENSE
 *
 * This source file is subject to the Academic Free License 3.0 (AFL-3.0)
 * that is bundled with this package in the file LICENSE.md.
 * It is also available through the world-wide-web at this URL:
 * https://opensource.org/licenses/AFL-3.0
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@prestashop.com so we can send you a copy immediately.
 *
 * @author    PrestaShop SA <contact@prestashop.com>
 * @copyright Since 2007 PrestaShop SA and Contributors
 * @license   https://opensource.org/licenses/AFL-3.0 Academic Free License 3.0 (AFL-3.0)
 */
$sql = [];

$sql[] = ' CREATE TABLE IF NOT EXISTS `' . _DB_PREFIX_ . 'psgdpr_consent` (
        `id_gdpr_consent` int(10) unsigned NOT NULL AUTO_INCREMENT,
        `id_module` int(10) unsigned NOT NULL,
        `active` int(10) NOT NULL,
        `error` int(10),
        `error_message` text,
        `date_add` datetime NOT NULL,
        `date_upd` datetime NOT NULL,
        PRIMARY KEY (`id_gdpr_consent`, `id_module`)
        ) ENGINE=' . _MYSQL_ENGINE_ . ' DEFAULT CHARSET=UTF8;';

$sql[] = ' CREATE TABLE IF NOT EXISTS `' . _DB_PREFIX_ . 'psgdpr_consent_lang` (
        `id_gdpr_consent` int(10) unsigned NOT NULL AUTO_INCREMENT,
        `id_lang` int(10) unsigned NOT NULL,
        `message` text,
        `id_shop` int(10) unsigned NOT NULL,
        PRIMARY KEY (`id_gdpr_consent`, `id_lang`, `id_shop`)
        ) ENGINE=' . _MYSQL_ENGINE_ . ' DEFAULT CHARSET=UTF8;';

$sql[] = ' CREATE TABLE IF NOT EXISTS `' . _DB_PREFIX_ . 'psgdpr_log` (
        `id_gdpr_log` int(10) unsigned NOT NULL AUTO_INCREMENT,
        `id_customer` int(10) unsigned NULL,
        `id_guest` int(10) unsigned NULL,
        `client_name` varchar(250),
        `id_module` int(10) unsigned NOT NULL,
        `request_type` int(10) NOT NULL,
        `date_add` datetime NOT NULL,
        `date_upd` datetime NOT NULL,
        PRIMARY KEY (`id_gdpr_log`),
        INDEX (`id_customer`),
        INDEX `idx_id_customer` ( `id_customer`, `id_guest`, `client_name`, `id_module`, `date_add`, `date_upd`)
        ) ENGINE=' . _MYSQL_ENGINE_ . ' DEFAULT CHARSET=UTF8;';

foreach ($sql as $query) {
    if (Db::getInstance()->execute($query) == false) {
        return false;
    }
}