Talos
#CiscoChampion Radio S2|Ep 20. Talos
#CiscoChampion Radio is a podcast series by Cisco Champions as technologists. Today we’ll be talking about the Talos Security and Intelligence Research Group with Sr. Technical Leader / Security Outreach Manager Craig Williams. Listen to the Podcast. Learn about the Cisco Champions Program HERE. Se…
Little Links, Big Headaches
This post was authored by Earl Carter & Jaeson Schultz. Talos is always fascinated by the endless creativity of those who send spam. Miscreants who automate sending spam using botnets are of particular interest. Talos has been tracking a spam botnet that over the past several months that has bee…
Microsoft Patch Tuesday – May 2015
Today, Microsoft has released their monthly set of security bulletins designed to address security vulnerabilities within their products. This month’s release sees a total of 13 bulletins being released which address 48 CVEs. Three of the bulletins are listed as Critical and address vulnerabilities…
Threat Spotlight: Rombertik – Gazing Past the Smoke, Mirrors, and Trapdoors
This post was authored by Ben Baker and Alex Chiu. Executive Summary Threat actors and security researchers are constantly looking for ways to better detect and evade each other. As researchers have become more adept and efficient at malware analysis, malware authors have made an effort to build mo…
Threat Spotlight: TeslaCrypt – Decrypt It Yourself
This post was authored by: Andrea Allievi, Earl Carter & Emmanuel Tacheau Update 4/28: Windows files recompiled with backward compatibility in Visual Studio 2008 Update 5/8: We’ve made the source code available via Github here Update 6/9/2016: We’ve released a tool to decrypt any Tes…
Threat Spotlight: Upatre – Say No to Drones, Say Yes to Malware
This post was authored by Nick Biasini and Joel Esler 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 effective…
Microsoft Patch Tuesday for April 2015: 11 Bulletins Released
Today, Microsoft has released their monthly set of security bulletins designed to address security vulnerabilities within their products. This month’s release sees a total of 11 bulletins being released which address 26 CVEs. The first 4 bulletins are rated Critical and address vulnerabilities wit…
Threat Spotlight: SSHPsychos
This post was authored by Nick Biasini, Matt Olney, & Craig Williams 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 Int…
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 was delivering a new va…