Re: Illegal user ssh probes
From: Rail mail (railmail_at_gmail.com)
Date: 10/20/04
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Date: Tue, 19 Oct 2004 20:18:36 -0400 To: Calvin Maready <cc.cal@verizon.net>
I have gotten many probes of some rouge trying ssh to root (diffrent ips)
I got OpenSSH running on freebsd
no root logins and only using proto v2 applied
I am wondering if they are actually logging in?
does any one know of anything I should be aware of or looking for?
On Tue, 19 Oct 2004 21:24:51 -0700, Calvin Maready <cc.cal@verizon.net> wrote:
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> In the last 2 months or so i've seen alot of these too, except i also get root
> attempts. on k-otiks site they have a brute forcing script for ssh that i
> think that a number of these scans are coming from even though it was only
> release on the 20th of last month. Here is the direct link
> http://www.k-otik.com/exploits/08202004.brutessh2.c.php .
>
>
> On Saturday 16 October 2004 21:05, Christopher Strong wrote:
> > In-Reply-To: <002f01c4a2d2$e0056ba0$6301010a@CPQ7380>
> >
> > >On examining /var/log/secure for several firewalls I manage remotely using
> > >ssh I have observed a recurrent pattern of probing over the last several
> > >that attempts to connect using user id's in the following order...
> > >
> > >test / guest / admin / admin / user / test
> >
> > I am seeing this, along with random usernames in large blocks from
> > compromised IPs
> >
> > >Is it worth reporting the behaviour to the net block assignees in case
> > > they aren't aware their server might be compromised?
> >
> > Usually not. They are generally fools who won't reply, or if they do they
> > will blow you off.
>
> - --
> _______________
> Calvin Maready
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