Date: Fri, 13 Aug 2004 18:12:11 +0400 From: "Nikolaj I. Potanin" <nikolaj@drweb.ru> To: freebsd-security@freebsd.org Subject: Re: sequences in the auth.log Message-ID: <20040813181022.F864.NIKOLAJ@drweb.ru> In-Reply-To: <411CCAAE.7020505@beco.hu> References: <411CCAAE.7020505@beco.hu>
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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) nikolaj@drweb.ru St. Petersburg, Russia ph.: +7-812-3888624
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