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- Newsgroups: comp.security.misc
- Path: sparky!uunet!math.fu-berlin.de!Sirius.dfn.de!rzsun2.informatik.uni-hamburg.de!fbihh!bontchev
- From: bontchev@fbihh.informatik.uni-hamburg.de (Vesselin Bontchev)
- Subject: Re: Virus Spreading Experiments (was Re: Unix Viruses. Are there any??)
- Message-ID: <bontchev.727978767@fbihh>
- Keywords: virus, experiment, existence
- Sender: news@informatik.uni-hamburg.de (Mr. News)
- Reply-To: bontchev@fbihh.informatik.uni-hamburg.de
- Organization: Virus Test Center, University of Hamburg
- References: <1jbitkINN1cu@cronkite.cisco.com> <5PZWBSCZ@cc.swarthmore.edu> <bontchev.727530763@fbihh> <C167wx.Gv8@csn.org>
- Date: 25 Jan 93 16:19:27 GMT
- Lines: 35
-
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- bediger@teal.csn.org (Bruce Ediger) writes:
-
- > >What actually keeps viruses from spreading on such platforms is the
- > >different level of software sharing between the users.
-
- > Are there papers/books/other references that purport to demonstrate this?
- > I would be interested in reading such, if they exist. Have any other
- > virus-spreading experiments been publlished, other than Fred Cohen's 1984
- > work, and Tom Duff's "Computer Systems" article? The Duff article was more-or
-
- If you have read Cohen's works, there it is demonstrated well enough
- that the only way to make viruses impossible for a Turing machine is
- to do either one of the following: limit sharing, limit transitivity,
- or limit functionality. Cohen also describes it in a more "readable"
- manner in his "Short Course on Computer Viruses".
-
- Regards,
- Vesselin
-
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- --
- Vesselin Vladimirov Bontchev Virus Test Center, University of Hamburg
- Tel.:+49-40-54715-224, Fax: +49-40-54715-226 Fachbereich Informatik - AGN
- < PGP 2.1 public key available on request. > Vogt-Koelln-Strasse 30, rm. 107 C
- e-mail: bontchev@fbihh.informatik.uni-hamburg.de D-2000 Hamburg 54, Germany
-