[geeks] SSH Scans Increasing

Joshua Boyd jdboyd at jdboyd.net
Thu Aug 21 11:18:56 CDT 2008


On Thu, Aug 21, 2008 at 03:19:49AM -0500, Jonathan C. Patschke wrote:
> Has anyone else seen a very sharp increase in the number of SSH scans
> since this weekend?
> 
> I have a program running out of cron that looks for break-ins and updates
> my /etc/pf.conf automagically.  It mails me when it adds a new host to the
> list.  I used to get 2 - 3 per week, but now I see 20 - 30 per day.
> 
> All the new scans appear to use the same dictionary.  It starts off with
> some German words pertaining to academia, and then a straight alphabetical
> dictionary attack (abel, abi, abraham, access, account...).  The IP
> addresses scanning me don't come from the same country, so I suspect this
> is some new botnet.

Does it appear to be doing any port scanning at the same time?



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