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000390_fdc@watsun.cc.columbia.edu_Wed Sep 19 10:29:26 EDT 2001.msg
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Article: 12790 of comp.protocols.kermit.misc
Path: newsmaster.cc.columbia.edu!watsun.cc.columbia.edu!fdc
From: fdc@watsun.cc.columbia.edu (Frank da Cruz)
Newsgroups: comp.protocols.kermit.misc
Subject: Code Red / Nimba script
Date: 19 Sep 2001 14:16:08 GMT
Organization: Columbia University
Lines: 34
Message-ID: <9oa9b8$6ig$1@newsmaster.cc.columbia.edu>
NNTP-Posting-Host: watsun.cc.columbia.edu
X-Trace: newsmaster.cc.columbia.edu 1000908968 6736 128.59.39.2 (19 Sep 2001 14:16:08 GMT)
X-Complaints-To: postmaster@columbia.edu
NNTP-Posting-Date: 19 Sep 2001 14:16:08 GMT
Xref: newsmaster.cc.columbia.edu comp.protocols.kermit.misc:12790
If you have a Unix workstation that is not running a Web browser,
and you can become root on it, then you can run a Kermit script on
on it to harmlessly absorb and log port 80 attacks such as Code Red
and Nimba. In fact, if you run such a script continuously, you'll
begin to attract huge numbers of attacks, thus perhaps in a sense
diverting them from more vulnerable targets, but at least learning
the identities of the infected machines so they can be cleansed.
The script requires some new features, so works only with C-Kermit
8.0 Beta.03:
http://www.columbia.edu/kermit/ckscripts.html#inet
My copy of this script is getting over 1000 hits per hour today.
Also included is a script to summarize the log. (The script also
can be used in Windows, but requires a K95 version that is not
released yet.)
Meanwhile, looking back fondly on the great old pre-Windows pre-Web
days, when computing was diverse, fun, safe, I wrote a short piece
showing how I can still work safely and productively without ever
having to worry about viruses, even though I have an Internet-connected
Windows PC on my desk:
http://www.columbia.edu/kermit/safe.html
It's not everybody's cup of tea, but then (I would hope) neither is
reformatting your hard disk, reinstalling your OS, reinstalling all
your applications, and losing all your work (which you didn't back
up) every time a new virus appears or (worse) allowing your PC to
be turned into a weapon against your customers, colleages, friends,
and family.
- Frank