World of Trucks loading screen pictures

wot.php

<?php

$images = file_get_contents('http://lscreens.eut2.online.scssoft.com/eut2/lscr/data'); // Download WoT loading screens data file
$images = trim(substr($images, 1025)); // Trim and cut first 1024 symbols (idk what to do with it)

// Making array of things
$images_array = explode('\\n', json_encode($images));
foreach ($images_array as $key => &$value) {
    $value = explode(';', $value);
}

/** RAW DATA ARRAY **/
var_dump($images_array);

$images_json = [];
foreach ($images_array as $key => $image) {
    // User nickname
    $images_json[$key]['nickname'] = $image[1];

    // Loading Screen Picture
    $images_json[$key]['image'] = "http://lscreens.eut2.online.scssoft.com/eut2/lscr_img/" . $image[2] . ".jpg";

    // Picture ID in WoT
    $image_hex = "0000000000000000" . dechex($image[5]);
    $image_hex = strtoupper(substr($image_hex, strlen($image_hex) - 16));

    // WoT Page
    $images_json[$key]['page'] = "https://worldoftrucks.com/en/image_detail.php?id=" . $image_hex;
}

/** JSON DATA ARRAY **/
var_dump($images_json);

do you maybe know what protocol does World of Truck use?

because when trying to login it POSTs something to here: http://eut2.online.scssoft.com/eut2/bind (but I can't see data in wireshark because its octa-stream