Threat Level: green Handler on Duty: Didier Stevens

SANS ISC: Happy New Year - SANS Internet Storm Center SANS ISC InfoSec Forums


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Happy New Year
According to Email Security Company Postini, IP addresses in the 218.107.x.x class are in the top 10 for both spam and directory harvest attacks. 8 of the top 10 spam sources and 4 of the top 10 DHA sources came from this class for December 31 and January 1. These IP's are registered to China Netcom and have a hostname "host.better-delivery.com". It looks like these ip's may be good candidates to block.
www.postini.com/stats

I hope everyone had a Happy New Year.

Deb

Deborah

278 Posts
ISC Handler

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