Re: SSH Scans

[Ayaz Ahmed Khan <ayaz () pakcon org>]

Michel Pereira typed:

>    After of seeing a lot of ssh scans on my firewalls and home PC, I
> made a script that filters out the "Invalid User" entry inside
> /var/log/messages and do some cleaning process, the result is a
> dictionary (homebrew) of users that tried to login into my hosts.
> Into the dictionary I saw english and Brazilian Portuguese words,
> maybe we have Brazilian hackers running scan bots too.  This work is
> only for experiment and curiosity to see what is happening with
> Internet today, you can get the script and dictionary in
> http://www.michel.eti.br/2006/03/ssh-scans.html
>
>    If you have a better idea of sugestion, please mail me:
> "michel () michel eti br"

You will see a lot of similar entries in log file(s) if you run SSH on
the standard port.  In order to get around to having a clogged log
file, I altered SSHd to run on a non-standard port on the public box I
admin.  It is not a *foolproof* solution, but it has worked for me so
far.

-- 
Ayaz Ahmed Khan

Then, gently touching my face, she hesitated for a moment as her
incredible eyes poured forth into mine love, joy, pain, tragedy,
acceptance, and peace.  "'Bye for now," she said warmly.
                -- Thea Alexander, "2150 A.D."


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