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Date:      Thu, 14 Dec 2000 12:12:00 -0600 (CST)
From:      Alex Charalabidis <alex@wnm.net>
To:        Jonathan Pennington <john@coastalgeology.org>
Cc:        freebsd-questions@FreeBSD.ORG
Subject:   Re: Possible Intrusion...?
Message-ID:  <Pine.BSF.4.21.0012141203080.36453-100000@earth.wnm.net>
In-Reply-To: <20001214123643.A499@coastalgeology.org>

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On Thu, 14 Dec 2000, Jonathan Pennington wrote:

> Got a possible intrusion, and a fairly bare logset. Although I firmly
> subscribe to the school of "Never ascribe to malice what can
> adequately be explained by stupidity," it seems that even I couldn't
> have done this one.
> 
Never dismiss as stupidity what is probably malice. Looks pretty much like
every logfile of mine.

> Dec 13 21:55:31 bullwinkle tdetect: Traceroute Detector active on ed0
> Dec 13 22:08:19 bullwinkle /kernel: ipfw: 65435 Deny TCP 213.26.2.2:23 66.20.126.15:23 in via tun0
> Dec 14 01:21:11 bullwinkle /kernel: ipfw: 65435 Deny TCP 149.149.202.53:1953 66.20.126.15:27374 in via tun0
> Dec 14 01:21:14 bullwinkle /kernel: ipfw: 65435 Deny TCP 149.149.202.53:1953 66.20.126.15:27374 in via tun0
> Dec 14 03:16:46 bullwinkle /kernel: ipfw: 65435 Deny TCP 210.204.3.61:3466 66.20.126.15:23 in via tun0
> Dec 14 03:16:49 bullwinkle /kernel: ipfw: 65435 Deny TCP 210.204.3.61:3466 66.20.126.15:23 in via tun0
> Dec 14 07:58:35 bullwinkle tdetect: Traceroute Detector active on ed0 
> Dec 14 11:34:33 bullwinkle tdetect: Traceroute Detector active on ed0 
> ----------- end -----------------

27374 is a scan for a SubSeven backdoor. The rest are garden variety
probes. Can't say about tdetect, never used it myself.

-ac

-- 
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Alex Charalabidis (AC8139)            5050 Poplar Ave, Ste 170
System Administrator                         Memphis, TN 38157
WebNet Memphis                                  (901) 432 6000
Author, The Book of IRC              http://www.bookofirc.com/
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