Re: Unusual volume: UDP:137 probes

From: John Sage (jsageat_private)
Date: Tue Oct 01 2002 - 12:46:53 PDT

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    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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