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Date:      Wed, 13 Jun 2001 19:02:51 +0100
From:      David Goddard <dmg@procopia.com>
To:        freebsd-security@freebsd.org
Subject:   Odd source IP for a scan
Message-ID:  <3B27AACB.D8BC13F@procopia.com>

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Hi,

This isn't as such a FreeBSD thing, but I picked up some odd entries in
a security log recently:

root@cerebus% grep 66.22.30.76 /var/log/security
Jun 11 23:23:28 cerebus /kernel: ipfw: 19300 Deny TCP 66.22.30.76:3303
194.222.X.X:27374 in via tun0
Jun 11 23:23:28 cerebus /kernel: ipfw: 19300 Deny TCP 66.22.30.76:3304
194.222.X.X:12345 in via tun0
Jun 11 23:23:28 cerebus /kernel: ipfw: 19300 Deny TCP 66.22.30.76:3305
194.222.X.X:139 in via tun0
Jun 11 23:23:28 cerebus /kernel: ipfw: 19300 Deny TCP 66.22.30.76:3304
194.222.X.X:12345 in via tun0
Jun 11 23:23:28 cerebus /kernel: ipfw: 19300 Deny TCP 66.22.30.76:3305
194.222.X.X:139 in via tun0
Jun 11 23:23:28 cerebus /kernel: ipfw: 19300 Deny TCP 66.22.30.76:3303
194.222.X.X:27374 in via tun0
Jun 11 23:23:28 cerebus /kernel: ipfw: 19300 Deny TCP 66.22.30.76:3304
194.222.X.X:12345 in via tun0
Jun 11 23:23:28 cerebus /kernel: ipfw: 19300 Deny TCP 66.22.30.76:3305
194.222.X.X:139 in via tun0
Jun 11 23:23:28 cerebus /kernel: ipfw: 19300 Deny TCP 66.22.30.76:3303
194.222.X.X:27374 in via tun0

66.22.30.76 resolves to host.domain.com - my guess is that it's some
hacking tool and the script kiddie has not bothered to change the
spoofing from the default.  However, if they're just probing then they
are surely not going to get much info back that way..

Has anyone seen anything similar?

Cheers,

Dave

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