Remember the apparently successful Grum botnet takedown? Well, Grum is staging a comeback. Sure, a few tens of thousands of spam messages in August 2012 doesn’t seem like much compared to the millions in Grum’s heyday in July 2012, yet those new numbers are clearly increasing.
Let’s compare the July 2012 Grum botnet top 10 ASNs to the August 2012 top 10. Still spewing spam from Grum in August were India’s AS 9829 BSNL-NIB – National Internet Backbone Korea’s AS 4766 KIXS-AS-KR – Korea Telecom and Vietnam’s AS 7643 VNPT-AS-VN – Vietnam Posts and Telecommunications (VNPT). Is there a pattern there? National government-sponsored Internet backbones don’t clean up their spam-spewing botnet act well?
Congratulations to those ASNs missing from the new top 10, which areContinue reading