Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!cornell!uw-beaver!tektronix!tekig5!tekig4!bradn
From: bradn@tekig4.LEN.TEK.COM (Bradford Needham)
Newsgroups: comp.sys.mac.programmer
Subject: Re: Program immunization
Summary: It's on the way.  Just wait a bit.
Message-ID: <3829@tekig4.LEN.TEK.COM>
Date: 23 Mar 89 07:54:05 GMT
References: <1780@psu-cs.UUCP>
Reply-To: bradn@tekig4.LEN.TEK.COM (Bradford Needham)
Distribution: usa
Organization: Tektronix, Inc., Beaverton,  OR.
Lines: 16

In article <1780@psu-cs.UUCP> sagar@psu-cs.UUCP (Arun Sagar) writes:
>1. Make a procedure which on startup checks the size of the program and 
>determines if it is equal to a constant (the size of the release version).
>If so continue else blurp an alert saying: "Something has changed the program
>, could be a virus", etc.
>...	Any comments???

I submitted just such a thing to comp.binaries.mac about a month ago.
You have only to wait for it to make it through the moderation queue.

(Assuming, of course, the submission made it through
the rats-nest of mail programs between me and the moderator.)


Brad Needham
bradn@tekig4.TEK.COM