看板FB_security
标 题Re: sequences in the auth.log
发信站NCTU CSIE FreeBSD Server (Fri Aug 13 22:07:49 2004)
转信站ptt!FreeBSD.csie.NCTU!not-for-mail
Hello,
Someone is trying to pick-up a password for these accounts. Restrict
your ssh service to your trusted networks only.
> Hi all,
> I found similar sequences in the
> /var/auth.log files of freebsd boxes, I supervise.:
> Aug 13 13:56:08 www sshd[26091]: Illegal user test from 165.21.103.20
> Aug 13 13:56:11 www sshd[26093]: Illegal user guest from 165.21.103.20
> Aug 13 13:56:15 www sshd[26096]: Illegal user admin from 165.21.103.20
> Aug 13 13:56:18 www sshd[26103]: Illegal user admin from 165.21.103.20
> Aug 13 13:56:21 www sshd[26105]: Illegal user user from 165.21.103.20
> Aug 13 13:56:25 www sshd[26107]: Failed password for root from
> 165.21.103.20 port 39678 ssh2
> Aug 13 13:56:28 www sshd[26109]: Failed password for root from
> 165.21.103.20 port 39760 ssh2
> Aug 13 13:56:32 www sshd[26111]: Failed password for root from
> 165.21.103.20 port 39836 ssh2
> Aug 13 13:56:35 www sshd[26113]: Illegal user test from 165.21.103.20
> Aug 13 14:25:36 www sshd[26485]: Illegal user test from 202.28.120.57
> Aug 13 14:25:41 www sshd[26487]: Illegal user guest from 202.28.120.57
>
> What are these?
--
Nikolaj I. Potanin, SA
http://www.drweb.ru
ID Anti-Virus Lab (SalD Ltd)
[email protected]
St. Petersburg, Russia ph.: +7-812-3888624
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