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evandrix/index.html

Created January 7, 2013 06:18
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index.html
<!DOCTYPE HTML>
<html lang = "en">
<head>
<title>HackThis!! - Capture the Flag</title>
<meta charset = "UTF-8" />
<link href='https://fonts.googleapis.com/css?family=Ubuntu|Orbitron' rel='stylesheet' type='text/css'>
<link rel="stylesheet" href="/ctf/css/main.css">
<script src="//ajax.googleapis.com/ajax/libs/jquery/1.8.3/jquery.min.js"></script>
</head>
<body>
<div class='level_title'>
Level 6 </div>
<div class='nav'>
<a href='/ctf/leaderboard'>Leaderboard</a> | <a href='/ctf/irc'>IRC</a> | <a href='/'>Normal Site</a> | <a href='?logout'>Logout</a>
</div>
<div class='level_container'>
<div class='msg_error'>
Invalid login
</div>
<form autocomplete="off" method="POST">
<input type="text" name="user" data-holder="Username"/><br/>
<input type="password" name="pass" data-holder="Password"/><br/>
<input type="submit" class="submit" value="Login"/>
</form>
<a href='#' class='view'>View Details</a>
</div>
<div class='level_code'>
<a href='#' class='close'>[X]</a>
<div class='code'>
<code><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br />&nbsp;&nbsp;&nbsp;&nbsp;$pass_file&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #DD0000">"password.txt"</span><span style="color: #007700">;<br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">extract</span><span style="color: #007700">(</span><span style="color: #0000BB">$_REQUEST</span><span style="color: #007700">);<br />&nbsp;&nbsp;&nbsp;&nbsp;if&nbsp;(isset(</span><span style="color: #0000BB">$pass</span><span style="color: #007700">))&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">$stored_pass&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">trim</span><span style="color: #007700">(</span><span style="color: #0000BB">file_get_contents</span><span style="color: #007700">(</span><span style="color: #0000BB">$pass_file</span><span style="color: #007700">));<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;if&nbsp;(</span><span style="color: #0000BB">$pass&nbsp;</span><span style="color: #007700">===&nbsp;</span><span style="color: #0000BB">$stored_pass</span><span style="color: #007700">)&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #FF8000">//correct<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #007700">}&nbsp;else&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #FF8000">//incorrect<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #007700">}<br />&nbsp;&nbsp;&nbsp;&nbsp;}<br /></span><span style="color: #0000BB">?&gt;<br /></span>
</span>
</code> </div>
</div>
<script type="text/javascript">
var _gaq = _gaq || [];
_gaq.push(['_setAccount', 'UA-34026704-2']);
_gaq.push(['_trackPageview']);
(function() {
var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
})();
</script>
<script src="/ctf/js/main.js"></script>
</body>
</html>
Raw
index.php
<?php
$pass_file = "password.txt";
extract($_REQUEST);
if (isset($pass)) {
$stored_pass = trim(file_get_contents($pass_file));
if ($pass === $stored_pass) {
//correct
} else {
//incorrect
}
}
?>
@evandrix
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evandrix commented Jan 7, 2013

http://www.hackthis.co.uk/ctf/6?pass=&pass_file=

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