30. Botnets using Botnets

• Sunbelt Security identified a number of blogs on Google Blogger service linking to malicious content.

• The sites claimed to offer multimedia files.

• Users required to download a CODEC to view the content

• The "CODEC" was actually a Trojan horse that delivered a ZLOB virus variant.

• Thus, combined with Page Rank boosting botnets, other types of botnets could spread faster.