microsoft disrupts zeroaccess botnet

Microsoft’s crusade against botnets raged on yesterday as the Redmond, Wash., computer giant and a coalition of law enforcement agencies and Internet security companies disrupted the notorious ZeroAccess botnet. ZeroAccess, or Sirefef as Microsoft likes to call it, is a malware platform that...

The Inside Story of the Kelihos Botnet Takedown

Earlier this week, Microsoft released an announcement about the disruption of a dangerous botnet that was responsible for spam messages, theft of sensitive financial information, pump-and-dump stock scams and distributed denial-of-service attacks. Kaspersky Lab played a critical role in this botn...

Some Pushdo Variants Resuming Spam Operations

A few days after the majority of the command-and-control servers belonging to one of the variants of the Pushdo botnet were taken offline, some researchers say that there are indications that portions of the botnet are back to their old tricks, downloading new spam templates for a resumption of...