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How botnets use 'bullet-proof' domains

Botnets are proving to more resilient and harder to shut down.

That's largely due to an increased use of methods people use to obscure the domain by constantly mapping to different bots within the network, according to a recently released study (PDF).

The study's authors, Jose Nazario of Arbor Networks and Thorsten Holz of the University of Mannheim, tracked the traffic of 900 fast-flux domain names used by botnets within the first six months of 2008. "Fast-flux" is a term to describe how the botnets use constant changes in the mapping of the hard-coded domain name … Read more

Sony PlayStation site victim of SQL-injection attack

Early Wednesday, antivirus vendor Sophos reported that some visitors to the Sony PlayStation site may have been prompted to download an antivirus scanner.

Pages promoting the PlayStation games SingStar Pop and God of War contained SQL-injected code. Visitors to those specific game pages would see a fake antivirus scan , then a message that their computer was infected with different viruses and Trojan horses. Warned, the user would then be asked to purchase the scanner to remove the bogus malware.

The injected code linking to the scanner has since been removed.

Sophos said the attack could have downloaded malicious payloads, but … Read more