Great Circle Associates Firewalls
(February 1997)
 

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Subject: Re: [linux-security] Re: Re: Linux virus
From: "R. DuFresne" <dufresne @ darkstar . sysinfo . com>
Organization: Minn. Information Systems
Date: Wed, 5 Feb 1997 12:03:23 -0600 (CST)
To: linux-security @ redhat . com
Cc: BUGTRAQ @ NETSPACE . ORG, Firewalls @ GreatCircle . COM
In-reply-to: <199702051433 . OAA02123 @ snowcrash . cymru . net>

On Wed, 5 Feb 1997, Alan Cox wrote:

> > 	In any event -- McAfee may be able to add this to 
> > 	their existing uvscan product.  uvscan scan Linux
> > 	filesystems for DOS and Windows (including Word Macro)
> > 	viruses.   It may be possible for the AV team to 
> > 	simply add bliss' signature to the next release -- and
> > 	it may even be possible for them to create a remover.
> 
> I've had a look at the algorithms used for this "Bliss" toy. Its quite
> interesting as its a completely portable technique. It works for NT
> DLL's it works for all Unixen.
> 
> Tripwire pretty much immediately spots such tampering.
> 


I find this aspect of 'portability' interesting.  One of the security
weinies where I'm presently contracted <folks here make great use of NT>
made a claim in a class he was teaching, that it's far to costly to write
viri for 32bit OS'.  Since the class wasn't about viri, and this side
issue was brought up for just a short note, I chose not at the time to
challenge the issue.  Anyone willing to share some clues with folks like
me here?

thanks, my best to all,

Ron Dufresne
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
	admin & senior consultant:  darkstar.sysinfo.com
		  http://darkstar.sysinfo.com
"Cutting the space budget really restores my faith in humanity.  It
eliminates dreams, goals, and ideals and lets us get straight to the
business of hate, debauchery, and self-annihilation." -- Johnny Hart
	***testing, only testing, and damn good at it too!***

OK, so you're a Ph.D.  Just don't touch anything.



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