
朋友发来一道题地址是:http://152.136.63.75:8016/ 说是一道CTF,然后访问看看,源码如下:
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<?php
function curl($url){
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_HEADER, 0);
$re = curl_exec($ch);
curl_...