TIP: Click on subject to list as thread! ANSI
echo: virus_info
to: RICK COLLINS
from: JOHN KISMUL
date: 1996-12-27 17:56:00
subject: Macs

RC> tv> You read the FAT and the boot sector when you read data from the
RC> tv> disk. The computer has to be able to tell if it's a 32" disk
RC> tv> formatted to 720k or the same disk formatted to 1.44mb. This is
RC> tv> all stored on the MBR and in the FAT table.
RC>
RC> 1) a floppy doesn't have an "MBR".
RC> 2) the media descriptor is also 1 byte at offset 15 in the boot
RC> record (BIOS parameter block).
RC>
RC> tv> You can have a clean system powered on, insert a floppy, and then
RC> tv> just type 'dir a:' and infect your system (well, load the virus
RC> tv> into memory, which it can then infect from).
RC>
RC> And how, pray tell, does that stuff loaded in the "read" buffer get
RC> executed to "infect from?"
RC>
RC> There is a _lot_ of misinformation in the echo, and I fear it is
RC> about to get _worse_.
Maybe it isn't INCORRECT. I have heard stuff like this before, and I have 
read it before.
... nfx v2.9 [C0000]
--- BBBS/D v3.33 How-C
---------------
* Origin: Circle of Protection - +47 55961259 (2:211/37)

SOURCE: echomail via exec-pc

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