Re: What is the difference between a worm and a trojan ?
From: Alun Jones [MS MVP - Security] (alun_at_texis.invalid)
Date: 05/21/04
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Date: Fri, 21 May 2004 16:24:27 GMT
In article <40ad74da$1@darkstar>, Big Will
<SPAMwSPAMiSPAMlSPAMlSPAMbSPAM4SPAMeSPAMvSPAAAAAMeSPAMMITTYrSPAAAAM@nIeDONTt
LIKEzSPAMero.net> wrote:
>According to many of the definitions I've read, the malware must not
>replicate in order for it to be a trojan. Otherwise, worms such as Swen
>would be considerred trojans.
All it needs to do is be something other / more than it claims to be. Swen
claims (to the user) to be a system patch, and is really a virus. Ergo,
it's a trojan, too.
Worms don't need to appeal to users, so they don't have to be trojans.
Viruses generally create their own trojans by co-opting other programs.
I'm not even sure that I would class Swen as a virus, since it doesn't
infect other files, and it only runs after the user has installed it.
Alun.
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