bugtraq - Re: The witty worm

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Message-ID: <20040321003727.R80957@dekadens.coredump.cx>
Date: Sun, 21 Mar 2004 00:39:12 +0100 (CET)
From: Michal Zalewski <lcamtuf@...ttot.org>
To: Gadi Evron <ge@...tistical.reprehensible.net>
Cc: bugtraq@...urityfocus.com, full-disclosure@...ts.netsys.com
Subject: Re: The witty worm

On Sat, 20 Mar 2004, Gadi Evron wrote:

> Note that this worm is only 909 bytes, but as a friend of mine
> mentioned, slammer was only 376.

There seem to be many self-contradictory reports on the payload size and
destination ports used by the worm.

Both the payload length and destination port are a function of the
destination address.

A specific target will only observe a specific length and a specific
destination port (for the most widespread variant of the worm, at least),
but two different targets will observe different parameters.

Cheers,
-- 
------------------------- bash$ :(){ :|:&};: --
 Michal Zalewski * [http://lcamtuf.coredump.cx]
    Did you know that clones never use mirrors?
--------------------------- 2004-03-21 00:37 --

   http://lcamtuf.coredump.cx/photo/current/

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