Threat Spotlight: Upatre - Say No to Drones, Say Yes to Malware
Talos has observed an explosion of malicious downloaders in 2015 which we’ve documented on several occasions on our blog. These downloaders provide a method for attackers to push different types of malware to endpoint systems easily and effectively. Upatre is an example of a mali
Threat Spotlight: SSHPsychos
Introduction Talos has been monitoring a persistent threat for quite some time, a group we refer to as SSHPsychos or Group 93. This group is well known for creating significant amounts of scanning traffic across the Internet. Although our research efforts help inform and protect
Threat Spotlight: Spam Served With a Side of Dridex
This post was authored by Nick Biasini with contributions from Kevin Brooks. Overview The use of macro enabled word documents has exploded over the last year, a primary example payload being Dridex. Last week, Talos researchers identified another short lived spam campaign that
Threat Spotlight: Angler Lurking in the Domain Shadows
Overview Over the last several months Talos researchers have been monitoring a massive exploit kit campaign that is utilizing hijacked registrant accounts to create large amounts of subdomains for both initial redirection and exploitation. This campaign has been largely attribu
Threat Spotlight: “Kyle and Stan” Malvertising Network 9x Larger Than Expected
This post was authored by Armin Pelkmann. On September 8th, Cisco's Talos Security Intelligence & Research Group unveiled the existence of the "Kyle and Stan" Malvertisement Network. The network was responsible for placing malicious advertisements on big websit
Threat Spotlight: "Kyle and Stan" Malvertising Network Threatens Windows and Mac Users With Mutating Malware
This post was authored by Shaun Hurley, David McDaniel and Armin Pelkmann. Malware was discovered by Richard Harman. Update 2014-09-22: Updates on this threat can be found here Have you visited amazon.com, ads.yahoo.com, www.winrar.com, youtube.com, or any of the 74 domains lis