An already large botnet appears to be growing at an alarming rate - having expanded by 100,000 machines in the last month.
Kraken - the malware that infects the victims' PCs - is similar to the Storm Trojan and relies on users clicking on a file expecting to see an image - except it isn't one. It also uses encrypted communications and can move command and control functionality
around the botnet if needed. Quite robust then.
Researchers at Damballa Inc., a security vendor have been tracking the Kraken botnet and as you might guess its main purpose seems to be the propagation of massive amounts of spam - in some cases a single PC sending as many as 500,000 spam messages in a
More from SearchSecurity.com