VB Migration

Tag: cutwail

  • 200-fold increase in HTML-attachment spam

    Cutwail botnet likely behind campaign that sends users to Phoenix exploit kit. Researchers at M86 have reported a significant increase in the amount of spam sent with malicious HTML attachments, the volume of which on some days was 200 times that on the first day of the year. HTML, the mark-up language used to create…

  • Explosive growth of malicious spam

    Spam filters less likely to block current malware campaigns. While several reports show that the global levels of spam have seen a steady decline over the past year, this month has seen a spike in the number of spam messages with malicious attachments, security firm M86 reports. Using well-known tricks to deceive users, including subject…

  • Cutwail botnet sent 1.7 trillion spam messages

    Operators made several million through botnet. Researchers from The Last Line of Defense and universities in Bochum and Santa Barbara have shared some insight into the workings of the Cutwail botnet (also known as Pushdo) after having managed to gain access to its command and control (C&C) servers. Using the logs of the C&C servers…