Path: utzoo!attcan!uunet!zephyr.ens.tek.com!tektronix!nosun!qiclab!techbook!fzsitvay
From: fzsitvay@techbook.com (Frank Zsitvay)
Newsgroups: comp.os.cpm
Subject: Re: CPM Viri
Message-ID: <1990Nov11.060126.20596@techbook.com>
Date: 11 Nov 90 06:01:26 GMT
References: <1392@tharr.UUCP> <1990Nov8.111627.42046@cc.usu.edu>
Organization: TECHbooks of Beaverton Oregon - Public Access Unix
Lines: 24

In article <1990Nov8.111627.42046@cc.usu.edu> slsw2@cc.usu.edu writes:
>In article <1392@tharr.UUCP>, pm111@tharr.UUCP (Paul Martin) writes:
>> Would it surprise the net if I said that CPM Plus is not immune to
>> viruses?
>
>I always knew that CP/M was not immune, but I really see no way to make
>a virus general enough to infect *every* CP/M system. For example, the
>boot drive on my DECmate is drive E:, not A:, and most of CP/M is stored
>in a file. So you couldn't infect my system by just scribbling all over
>track 0 of drive A:.
>-- 

    ture, but there are other nasties you can do, like allocating
disk space to hidden files, tagging on a few extra blocks to .COM
files, and even twiddling stuff in the directory so text files will
be scrambled in chunks of 128 bytes.
 
   but whatever you do, don't try this at home...


-- 
fzsitvay@techbook.COM - but don't quote me on that....

American Oil Company motto - Bend over, We'll pump!!!