Now this is interesting research:
It now appears that at least 568,200 nameservers have witnessed DNS queries related to the rootkit. How many hosts does this correspond to? Only Sony (and First4Internet) knows…unsurprisingly, they are not particularly communicative. But at that scale, it doesn’t take much to make this a multi-million host, worm-scale Incident. The process of discovering this has led to some significant advances in the art of cache snooping.
I wonder who’ll be joining the law suits over the next few days… ;)