Avatar

Talos Group

Talos Security Intelligence & Research Group

The Talos Security Intelligence and Research Group (Talos) is made up of leading threat researchers supported by sophisticated systems to create threat intelligence for Cisco products that detects, analyzes and protects against both known and emerging threats. Talos maintains the official rule sets of Snort.org, ClamAV, SenderBase.org and SpamCop. This blog profile is managed by multiple authors with expertise that spans software development, reverse engineering, vulnerability triage, malware investigation and intelligence gathering.

Talos is the primary team that contributes threat information to the Cisco Collective Security Intelligence (CSI) ecosystem. Cisco CSI is shared across multiple security solutions and provides industry-leading security protections and efficacy. In addition to threat researchers, CSI is driven by intelligence infrastructure, product and service telemetry, public and private feeds and the open source community.

Articles

March 22, 2017

THREAT RESEARCH

Vulnerability Spotlight: Code Execution Vulnerability in LabVIEW

Overview LabVIEW is a system design and development platform released by National Instruments. The software is widely used to create applications for data acquisition, instrument control and industrial automation. Talos is disclosing the presence of a code execution vulnerability and a memory corrup…

March 20, 2017

THREAT RESEARCH

Necurs Diversifies Its Portfolio

The post was authored by Sean Baird, Edmund Brumaghin and Earl Carter, with contributions from Jaeson Schultz. Executive Summary The Necurs botnet is the largest spam botnet in the world. Over the past year it has been used primarily for the distribution of Locky ransomware and Dridex. Earlier this…

March 17, 2017

THREAT RESEARCH

Threat Round-up for the Week of Mar 13 – Mar 17

Today, Talos is publishing a glimpse into the most prevalent threats we’ve observed over the past week. As with previous round-ups, this post isn’t meant to be an in-depth analysis. Instead, this post will summarize the threats we’ve observed by highlighting key behavior characteri…

March 14, 2017

THREAT RESEARCH

Microsoft Patch Tuesday – March 2017

Following a sparse February patch Tuesday, today’s March release brings a bumper crop of fixed vulnerabilities: 17 bulletins covering 140 different vulnerabilities, 47 of which are rated as critical. The critical vulnerabilities affect Internet Explorer, Edge, Hyper-V, Windows PDF Library, Microsoft…

March 10, 2017

THREAT RESEARCH

Threat Roundup for the Week of Mar 6 – Mar 10

Today, Talos is publishing a glimpse into the most prevalent threats we’ve observed over the past week. As with our previous threat round-up, this post isn’t meant to be an in-depth analysis. Instead, this post will summarize the threats we’ve observed by highlighting key behavior…

March 9, 2017

THREAT RESEARCH

Vulnerability Spotlight: R – PDF LoadEncoding Code Execution Vulnerability

Vulnerability Discovered by Cory Duplantis of Cisco Talos Overview Talos is disclosing TALOS-2016-0227 / CVE-2016-8714 which is a buffer overflow vulnerability in the LoadEncoding functionality of the R programming language version 3.3.0. The R programming language is commonly used in statistical co…

March 8, 2017

THREAT RESEARCH

Content-Type: Malicious – New Apache Struts2 0-day Under Attack

This Post Authored by Nick Biasini UPDATE: It was recently disclosed that in addition to Content-Type being vulnerable, both Content-Disposition and Content-Length can be manipulated to trigger this particular vulnerability. No new CVE was listed, however details of the vulnerability and remediation…

March 8, 2017

THREAT RESEARCH

Crypt0l0cker (TorrentLocker): Old Dog, New Tricks

Ransomware continues to be a plague on the internet and still sets itself as the fastest growing malware family we have seen in the last number of years. In this post we describe the technical details about a newly observed campaign of the notorious Crypt0l0cker (aka TorrentLocker or Teerac) ransomw…

March 3, 2017

THREAT RESEARCH

Malware Round-up For The Week of Feb 27 – Mar 3

Today, Talos is publishing a glimpse into the most prevalent threats we’ve observed over the past week. Unlike our other posts, this post isn’t meant to be an in-depth analysis. Instead, this post will summarize the threats we’ve observed by highlighting key behavior characteristic…