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php之对抗Web扫描器的脚本技巧

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Release: 2016-06-13 12:26:47
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大部分Web扫描器(包括上传、管理后台扫描器)都是通过判断HTTP的200返回来确定页面存在的,在页面存在的基础上,这些扫描期才会开始对漏洞进行扫描。既然不能保证内部逻辑的严密,那么就在输入/输出这个瓶颈上做文章,当输入错误的密码或者权限失败时,我们自己返回一个400错误的HTTP消息来误导扫描器不再继续进行扫描(包括哪些手工入侵者)
以PHP为例:

复制代码 代码如下:


ob_start();
if ('Password' != $_GET['password'])
header("HTTP/1.1 404 Not Found");
?>



Sample





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