[nsp-sec] ACK 700K Open Resolver List

[Philip Taylor]

ACK 812

Phillip Taylor
Rogers Network Security Specialist

-----Original Message-----
From: nsp-security-bounces at puck.nether.net
[mailto:nsp-security-bounces at puck.nether.net] On Behalf Of Stephen Gill
Sent: Friday, April 10, 2009 7:55 PM
To: NSP-SEC List
Subject: [nsp-sec] 700K Open Resolver List

----------- nsp-security Confidential --------

Hi Team,

I took a somewhat restrictive view of the pcaps we have and parsed out
about
700K open resolvers used in the latest DNS amplifier attack across ~10K
ASNs.  I believe there were closer to 1 Million total.

You can find the data split up by ASN here:

https://www.cymru.com/nsp-sec/Owned/recursive3/

ASNs affected:

https://www.cymru.com/nsp-sec/Owned/recursive3/asns.txt

Please do not download the entire list and only fetch the ones you have
control or influence over.

Comments/questions welcome & have a great weekend!

Cheers,
-- steve

-- 
Stephen Gill, Chief Scientist, Team Cymru
http://www.cymru.com | +1 630 230 5423 | gillsr at cymru.com




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