full-disclosure - dobble-clicking msblast.exe

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Message-ID: <000401c361c9$310c3430$250a640a@navi>
From: gml at phrick.net (gml)
Subject: dobble-clicking msblast.exe

I would think it would try to copy itself to %systemroot%\system32 find that
it doesn't have access to overwrite msblast.exe and then just keep
executing, but then again.

-----Original Message-----
From: full-disclosure-admin@...ts.netsys.com
[mailto:full-disclosure-admin@...ts.netsys.com] On Behalf Of Nick FitzGerald
Sent: Tuesday, August 12, 2003 11:20 AM
To: full-disclosure@...ts.netsys.com
Subject: Re: [Full-Disclosure] dobble-clicking msblast.exe

martin f krafft <madduck@...duck.net> wrote:

> Does anyone know what happens if you run msblast.exe on an
> uninfected system?

It becomes infected and infective.

There is nothing especially magical about the features of the worm 
program -- run it and it starts trying to spread (or to DoS 
windowsupdate.com depending on the date).  Its function is certainly 
not affected by the way it gets onto a machine or whether it is 
launched by the exploit code or not (well, it may depend on some 
elevated privileges such as the those it gets as local system from the 
RPC exploit code running, as it does, as part of a system service).

-- 
Nick FitzGerald
Computer Virus Consulting Ltd.
Ph/FAX: +64 3 3529854

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