Tag Archives: Botnets

Kelihos botnet, once crippled, now gaining strength

Source: Computerworld by Jeremy Kirk It seems that the Kelihos botnet is back. The join effort of Microsoft and Kaspersky Lab to bring it down didn’t last long but they already new it would happen. In this article “The Kelihos botnet only infected 45,000 or so computers but managed to send out nearly 4 billion spam messages a day,… Read More »

Battling the Zbot Threat

Source: Microsoft Security Intelligence Report Introduction This document provides an overview of the Win32/Zbot family of password-stealing trojans. The document examines the background of Win32/Zbot, its functionality, how it works, and provides telemetry data and analysis from calendar year 2010 about how this threat is detected and removed by Microsoft antimalware products and services. Authors T.J. Campana – Microsoft Digital Crimes… Read More »