Citadel is a sophisticated descendent of the Zeus botnet. In this two-part article, Aditya Sood and Rohit Bansal provide insight into the bot's design components, including its system infection and data exfiltration tactics.
Citadel is a sophisticated descendent of the Zeus botnet. In this two-part article, Aditya Sood and Rohit Bansal provide insight into the bot's design components, including its system infection and data exfiltration tactics. In this, the second part of the article, Aditya and Rohit present the results of their experiments.
Martijn Grooten provides a summary of the results of the 33rd VBSpam test, some information on ‘the state of spam', and investigates a possible correlation between the number of URLs present in the body of an email and the likelihood of emails being blocked.
This month saw 16 full solutions on the test bench, all but one of which achieved a VBSpam award. There were seven solutions that didn’t block a single legitimate email and, combining this with a high spam catch rate and a low newsletter-blocking rate, earned a VBSpam+ award. Martijn Grooten has the details.