CTF-web(web_php_include)

1.题目信息
CTF-web(web_php_include)

2.代码理解
CTF-web(web_php_include)
CTF-web(web_php_include)

3.抓包
因为strstr()函数对大小写敏感,所以只需PHP://即可绕过
CTF-web(web_php_include)
将post请求的数据当作php代码执行,得到当前目录下的文件
CTF-web(web_php_include)
很明显flag在fl4gisisish3r3.php中,于是更改提交的php代码,得到flag
CTF-web(web_php_include)