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实战|记一次攻防演练打点
2022-07-25 04:05:00 【ECHO::】
攻防演练已经过去了,简单的写个记录,表示我曾来过 ----------ECHO: 2022/6/2
0x01.外网打点
基础内容参考这位师傅https://mp.weixin.qq.com/s/v2daZNPj5US_4-5tbhBLCA
hvv外网打点第一天很重要,要快速从给的资产中找到好打的单位,先刷一波分。这里我挖src的习惯,喜欢从备份和sql注入起手,如果是正常的mssql,用以前的基操就能搞个shell。

没错,我拿到手看到这个,就是一片空白,站在防守方的角度来看,hvv前裁判会通知做防守策略,关闭不必要的端口,留给红队的资产都是些僵尸集群,只有静态页面和一堆拦截设备。
这里我通过潮汐指纹来识别他的指纹、C段和同出口旁站,(看旁站是很有效的老手法,如果有测试站点,就有备份,有sql注入,第二是业务的问题,不太引人注意,)

用出口子域名和业务词xxx制作一份字典,,,大概跑了半小时,跑出来份备份,在http://db.xxxxx.com:8088/xxxx.rar

直接在web.config读取数据库连接密码,好家伙,主站的备份就是牛叉,第一天直接拿下标靶的三台外网数据库

第一天打点拿到东西了,能做的事能很多很多,简单审计下,首页下有个phpinfo,配置文件写shell,

直接传个值给cache_uc_config.php?aaa=phpinfo()

拿到shell后,折腾了一下,viper上线exe后,挂入regeorg打内网,frp也行,
0x02.内网弱资产收集
传统的fscan只能扫描C段,通过arp -a 和查看路由,确定了内网存在大量的C段,直接用朋友改的fscan扫描B段
,短短1小时,30多台ftp和smb文件共享


查看存活的web数据包,看到ZXWL ,FWB201,ZXV大量AP设备,随手admin admin 进入了,100多台AP

一堆打印机,

网关

各种数据库mysql、mssql、redis、


打完包一份300多的弱资产,提交,总共拿了一笔不俗的分数,
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