2021第五空间网络安全大赛_[第五空间 2021]easycleanup

WebFTP

https://github.com/wifeat/WebFTP
根据github的源码，去对网站进行分析，有写到初始账号

但是题目改了密码，登不进
然后下载到题目的Config.php.bak，看到版本是v2.3

出现了git泄漏，无法下载到文件，但是看到了目录结构
找到探针
http://114.115.185.167:32770/Readme/mytz.php

http://114.115.185.167:32770/Readme/mytz.php?act=phpinfo
直接找到flag

pklovecloud

源码：

<?php  
include 'flag.php';
class pkshow 
{
     
    function echo_name()     
    {
             
        return "Pk very safe^.^";      
    }  
} 

class acp 
{
      
    protected $cinder;  
    public $neutron;
    public $nova;
    function __construct() 
    {
         
        $this->cinder = new pkshow;
    }  
    function __toString()      
    {
             
        if (isset($this->cinder))  
            return $this->cinder->echo_name();      
    }  
}  

class ace
{
       
    public $filename;     
    public $openstack;
    public $docker; 
    function echo_name()      
    {
      
        $this->openstack = unserialize($this->docker);
        $this->openstack->neutron 
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