They can (and probably did) just e-mail it in, using a modified e-mail
account. It is simple to do. And, you can mail into any Yahoo! group.
It might even be posted on the main page.

Tony


--- In probe_control@yahoogroups.com, "dghprobe3" <dghprobe3@a...> wrote:
> Thanks for posting the info about the Beagle virus. Sophos has more
> on their site. When you look at our "Messages" page, which lists all
> the most recent messages, you will see that they sent "my" post using
> direct email, rather than my usual way of posting using the "Post"
> or "Reply" command to the Yahoo list itself. I don't understand how
> they were able to use my email address unless they had my password,
> unless they spoofed it somehow?
> ------------------------------
>
> http://www.sophos.com/virusinfo/articles/bagle.html
>
> 19 January 2004
>
> New Bagle worm spreads over internet disguised as Calculator, warns
> Sophos
>
> Sophos, a world leader in protecting businesses against spam and
> viruses, is warning of a new worm called Bagle-A (W32/Bagle-A).
> http://www.sophos.com/virusinfo/analyses/w32baglea.html
>
> Following many reports in Australia, Sophos has already started to
> see multiple reports coming from the UK and other countries, and
> users are advised to be cautious of emails received over the weekend
> with the subject line "Hi". The Bagle-A worm (also known as Beagle)
> arrives as an email message which talks about a test and has an
> attachment - a program file with a random name. This file which can
> pretend to be the Windows calculator, opens a security hole in the
> infected user's computer which can be exploited by hackers.
>
> "As users come back to work after the weekend they are at risk of
> finding the malicious Bagle worm in their email inbox," said Graham
> Cluley, senior technology consultant for Sophos. "The worm pretends
> to be a "techie looking" test email to fool people into running the
> dangerous attachment - not knowing they are potentially giving
> hackers the power to run destructive code on their computer."
>
> "Computer users should be wary of any programs delivered by email
> even if they seem to come from a known contact. If you email programs
> around, you should get out of this habit now, as it encourages bad
> security practice," continued Cluley.
>
> Sophos recommends the use of email gateway software, which can block
> all programs, whether infected or not, in order to enforce safe
> computing practices."