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网络技术解析|安全攻防无痕|DNS劫持

24 Aug, 18:45

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代码提取就不赘述了,参见上一篇分析文章,这里直接分析拓展的恶意行为首先我观察了一下拓展的行为,禁用拓展并重启 Chrome 后首次启用拓展会观察到网络连接,此时没有打开任何标签页,于是可以判定恶意代码位于背景视图中

一样的从 manifest.json 直接追进 Background Script,搜索恶意域名,发现拓展在一定条件下会尝试连接三个服务器,我们先不管条件来看看连接部分

连上服务器后,拓展发送了一个看似人畜无害的数据请求,只发了一些简单的拓展信息,很像在检查更新

首先拓展会从服务器接收指令,然后收到下发的指令后似乎可以发起请求以及停止这些请求,这看起来就已经很吓人了

接单中:渗透,破解,改单,爆破,DDOS,提权,攻击,Dns劫持,,拖库
咨询:@yucgz

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