Security Incidents: Re: Unusual volume: UDP:137 probes

[John Sage <jsage () finchhaven com>]

Michael:

On Tue, Oct 01, 2002 at 09:37:18AM -0700, Scott, Michael R. wrote:
> Correction/update to my earlier post:
> It seems to be scanning random chunks of addresses, not /16's, see below for
> a listing of targets probed over a 75 second period.  Notice how it starts
> off with incrementing the host of a /24 then jumps to a different /8 and
> increments only the first octet.  Yesterday night's NAV signatures detect it
> as W32.Opaserv.Worm.  A view of the properties of the file show a C time of
> this past Sat night (9/28 19:32 PST), and an M time of 1/1/70.
What is the relationship between the IP this scanning host had, and
the IP blocks it started scanning, or the IP blocks it scanned at all?

Any?

> 181.5.73.183
> 181.5.73.184
> 181.5.73.185
> 181.5.73.186
> 181.5.73.187
> 181.5.73.188
> 181.5.73.189
<snippage>


- John
-- 
"It's a troll! Run!^H^H^H^H Laugh!"

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