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网络安全实验室----微笑一下就能过关
阅读量:113 次
发布时间:2019-02-27

本文共 409 字,大约阅读时间需要 1 分钟。

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个人收获:

1.php伪协议

 

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就想记录下题目,转载下别人的wp

转载:

 

微笑一下就能过关了

题目描述

这里写图片描述

解题思路

1、点开题, 

这里写图片描述 
查看源码 
这里写图片描述 
发现有个源码链接,打开 
这里写图片描述 
2、代码审计 
(1)不可以提交^_^ 
(2)不可以包含“.”、“%”、“0-9的数字”、“%”、“http”、“https”、“ftp”、“telnet”、“%” 
(3)不可以包含“_” 
(4)不可以存在文件,但文件的内容要是(●’◡’●) 
3、这道题基本上就是在考PHP伪协议了,但是又过滤了http、https等协议,又不能存在文件,又要内容,基本上就是data了,利用query string会把一些特殊符号解析成“_”,基本上也就构造出payload:?^[^=data://text/plain;charset=unicode,(●’◡’●) 
4、得到key 
这里写图片描述

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