Threat Level: green Handler on Duty: Guy Bruneau

SANS ISC: UDP Port 47290 - SANS Internet Storm Center SANS ISC InfoSec Forums

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UDP Port 47290

In reviewing recent DShield graphs I noticed a sharp and large increase in UDP port 47290 traffic. A quick review of Google and a few other resources left me with no logical conclusion as to the source.

I send this diary out as a call for packets or for any information that might lead to understanding where this traffic uptick comes from. Since this traffic started on 8/28/06, it is interesting to note that the number of reported packets is 226,660 records. The numbers of sources for this traffic is 134,673. The number of targets is 43. So it's possible we are looking at traffic reported from just one subscriber who sends logs into DShield. Nonetheless, this is a rather interesting and sudden increase and it would be useful to know where this is coming from.

Update: We looked further into this and discovered that 99.99% of this traffic is destined for a single target. This makes the call for packets a fairly moot point.


22 Posts
Sep 2nd 2006

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