CTF-12解题思路
## 源码分析#CTL{\n}```php#CTL{\n}<?php#CTL{\n}echo "猜猜正确的flag是什么";#CTL{\n}$flag = "flag{xxxxxxxxxxxxxxxxxxxxxxxxxxxx}";#CTL{\n}if (isset($_GET['flag'])) { #CTL{
CTF-33解题思路
### 源码分析:#CTL{\n}#CTL{\n}```php#CTL{\n}<h3>挑战VIP会员的第一天<h3/>#CTL{\n}<?php#CTL{\n}error_reporting(0);#CTL{\n}highlight_file(__FILE__);#CTL{\n}include('flag.php');#CTL{
CTF-32解题思路
### 源码分析:#CTL{\n}#CTL{\n}```php#CTL{\n}<?php#CTL{\n}//取反#CTL{\n}include('flag.php');#CTL{\n}highlight_file(__FILE__);#CTL{\n} if(isset($_GET['v1']) && isset($_GET['v2']) &am
CTF-31解题思路
### 源码分析:#CTL{\n}#CTL{\n}```php#CTL{\n}<?php#CTL{\n}highlight_file(__FILE__);#CTL{\n}error_reporting(0); include("flag.php");#CTL{\n}function getFlag(&$v1,&$v2
CTF-30解题思路
### 源码分析:#CTL{\n}#CTL{\n}```php#CTL{\n}<?php#CTL{\n}include('flag.php');#CTL{\n} highlight_file(__FILE__);#CTL{\n} error_reporting(0);#CTL{\n} function filter($num)#CTL{\n} {#CTL{\n} $num=str_
CTF-29解题思路
### 源码分析:#CTL{\n}#CTL{\n}```php#CTL{\n}<?php#CTL{\n}error_reporting(0);#CTL{\n} highlight_file(__FILE__);#CTL{\n} function filter($file)#CTL{\n} {#CTL{\n} if(preg_match('/compress|root|zip|con
CTF-28解题思路
### 源码分析:#CTL{\n}#CTL{\n}```php#CTL{\n}<?php#CTL{\n}highlight_file(__FILE__); #CTL{\n}include("flag.php"); #CTL{\n}//flag in class flag; #CTL{\n}$ctfshow = new ctfshow(); #CTL
CTF-27解题思路
### 源码分析:#CTL{\n}#CTL{\n}```php#CTL{\n}<?php#CTL{\n}include("flag.php");#CTL{\n} highlight_file(__FILE__);#CTL{\n} if(isset($_GET['num']))#CTL{\n} { #CTL{\n} $num = $_GET['num
CTF-26解题思路
### 源码分析:#CTL{\n}#CTL{\n}```php#CTL{\n}<?php #CTL{\n}// flag in flag.php#CTL{\n}if(isset($_POST['c']))#CTL{\n}{ $c= $_POST['c'];#CTL{\n} eval($c); #CTL{\n}}#CTL{\n}else#CTL{\n}{ #CTL{\n} highl
CTF-25解题思路
### 源码分析:#CTL{\n}#CTL{\n}```php#CTL{\n}<?php error_reporting(0);#CTL{\n}if(isset($_GET['c']))#CTL{\n}{ #CTL{\n} $c = $_GET['c'];#CTL{\n} if(!preg_match("/flag|system|exec|shell|php|\.|