0XgameCTF

easyphp

<?php // flag in flag.php highlight_file(FILE);

if (isset($GET['a']) && isset($GET['b']) && isset($POST['c']) && isset($COOKIE['name'])) { $a = $GET['a']; $b = $GET['b']; $c = $POST['c']; $name = $COOKIE['name'];

if ($a != $b && md5($a) == md5($b)) { if (!is_numeric($c) && $c != 1024 && intval($c) == 1024) { include($name.'.php'); } } } ?>

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