Mr. Robot Season 2 easter egg website email alert cronjob

watchRobot.cron.php

<?php
ini_set('max_execution_time', 300);
/**
 *  Mr. Robot Season 2 easter egg website email alert cronjob (Note: Requires PHP /w curl and being able to send mails!)
 *
 *  1. Download this script. Via browser (https://gist.github.com/eyecatchup/f5f5929f57b22fc1b37ef516d675ac92/download/) or:
 *       wget --no-check-certificate https://gist.github.com/eyecatchup/f5f5929f57b22fc1b37ef516d675ac92/raw/watchRobot.cron.php
 *  2. Set the value for the constant NOTIFY_MAIL_ADDRESS (line #17) to your email address.
 *  3. Create a new cronjob (for a Win/Xampp alternative see: http://stackoverflow.com/a/4231634/624466). On your console, type:
 *       crontab -e
 *  4. Paste the following (adjust script/logfile path):
 *       0 * * * * php /absolute/path/to/watchRobot.cron.php >> /absolute/path/to/cronjob.log
 *  5. Exit crontab and you're all set. You'll get an email as soon as there's a new Mr. Robot EE site to checkout.
 */

// CHANGE THIS TO YOUR EMAIL ADDRESS !!!
const NOTIFY_MAIL_ADDRESS = 'eyecatchup@gmail.com';

// NO NEED FOR CHANGES BELOW
function getHttpResponse($url) {
    $curl = curl_init($url);
    curl_setopt_array($curl, [
        CURLOPT_RETURNTRANSFER => 1,
        CURLOPT_CONNECTTIMEOUT => 30,
        CURLOPT_FOLLOWLOCATION => 1,
        CURLOPT_MAXREDIRS      => 3,
        CURLOPT_SSL_VERIFYPEER => 0,
    ]);
    $resp = curl_exec($curl);
    $code = curl_getinfo($curl, CURLINFO_HTTP_CODE);
    curl_close($curl);
    return 200 == (int)$code ? $resp : 0;
}

function sendAlert($host) {
    $msg = 'Strike! A new Mr. Robot easter egg site is online: ' . $host;
    mail(NOTIFY_MAIL_ADDRESS, 'Mr Robot Easter Egg Website Alert', $msg);
    echo $msg . PHP_EOL;
}

// Check placeholder hosts

$bits = range(241, 248);
$bits []= 252;

foreach ($bits as $bit) {
    $addr = '192.251.68.' . $bit;
    $resp = getHttpResponse($addr);
    if (0 !== $resp && trim($resp) !== sprintf('i%d.bxjyb2jvda.net', $bit)) {
        sendAlert($addr);
    }
}

// Check alternative hosts in whoismrrobot.com SSL cert

$json = getHttpResponse('https://api.ssllabs.com/api/v2/analyze?host=www.whoismrrobot.com&all=on');
$data = 0 !== $json ? @json_decode($json, 1) : 0;

if (0 !== $data && 0 < sizeof($data['endpoints'][0]['details']['cert']['altNames'])) {
    $knownHosts = [
        'whoismrrobot.com', 'www.whoismrrobot.com',
        'whereismrrobot.com', 'www.whereismrrobot.com',
        'iammrrobot.com', 'www.iammrrobot.com',
        'e-corp-usa.com', 'www.e-corp-usa.com', '*.e-corp-usa.com',
        'evil-corp-usa.com', '*.evil-corp-usa.com', '*.serverfarm.evil-corp-usa.com',
        '*.bxjyb2jvda.net',
        'fsoc.sh', 'www.fsoc.sh',
        'conficturaindustries.com', 'www.conficturaindustries.com',
        'seeso.com', 'www.seeso.com', '*.seeso.com',
        'racksure.com', 'www.racksure.com'
    ];

    foreach ($data['endpoints'][0]['details']['cert']['altNames'] as $host) {
        if (!in_array($host, $knownHosts)) {
            sendAlert($host);
        }
    }
}