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

THREAT RESEARCH

Talos Group

Threat Round-up for June 2- June 9

1 min read

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between June 02 and June 09. As with previous round-ups, this post isn't meant to be an...

THREAT RESEARCH

Talos Group

The Internet of Vulnerable Things

1 min read

Technological progress is resulting in computing systems that are smaller, cheaper and consuming less power. These micro-computing systems are able to be integrated into everyday objects; when coupled with ubiquitous wireless connectivity these devices form the “Internet of Things”. The IoT has the potential to improve our lives, but only if we correctly manage the […]

THREAT RESEARCH

Talos Group

Threat Round-up for May 19 – May 26

1 min read

Today, Talos is publishing a glimpse into the most prevalent threats we’ve observed between May 19 and May 26. 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 characteristics, indicators of compromise, and how our customers are automatically […]

THREAT RESEARCH

Talos Group

Samba Vulnerability: Dancing Its Way to a Network Near You

1 min read

Overview Today, a new vulnerability affecting the widely used Samba software was released. Samba is the SMB/CIFS protocol commonly used in *NIX operating systems. CVE-2017-7494 has the potential to impact many systems around the world. This vulnerability could allow a user to upload a shared library to a writeable share on a vulnerable Samba server […]

THREAT RESEARCH

Talos Group

File2pcap – The Talos Swiss Army Knife of Snort Rule Creation

1 min read

This post was authored by Martin Zeiser with contributions by Joel Esler At Talos we are constantly on the lookout for threats to our customers networks, and part of the protection process is creating Snort rules for the latest vulnerabilities in order to detect any attacks. To improve your understanding of the rule development process, consider […]

THREAT RESEARCH

Talos Group

Cisco Coverage for Adylkuzz, Uiwix, and EternalRocks

1 min read

When the WannaCry attack was launched a little over a week ago, it was one of the first large scale attacks leveraging the data that was leaked by the Shadow Brokers. At the time the real concern was how quickly we would begin to see other threats leverage the same vulnerabilities. Over the past couple […]

THREAT RESEARCH

Talos Group

Modified Zyklon and plugins from India

1 min read

Streams of malicious emails Talos inspects every day usually consist of active spamming campaigns for various ransomware families, phishing campaigns and the common malware family suspects such as banking Trojans and bots.. It is however often more interesting to analyze campaigns smaller in volume as they might contain more interesting malware. A few weeks ago […]

THREAT RESEARCH

Talos Group

Terror Evolved: Exploit Kit Matures

1 min read

Talos is monitoring the major Exploit Kits(EK) on an ongoing basis. While investigating the changes we recently observed in the RIG EK campaigns, we identified another well known candidate: Terror Exploit Kit. Terror EK is one of the new players who showed up after the big Exploit Kit market consolidation last year. When Angler and […]

THREAT RESEARCH

Talos Group

Arbitrary Code Execution Vulnerabilities in MuPDF Identified and Patched

1 min read

Talos is disclosing the presence of two vulnerabilities in the Artifex MuPDF renderer. MuPDF is a lightweight PDF parsing and rendering library featuring high fidelity graphics, high speed, and compact code size which makes it a fairly popular PDF library for embedding in different projects, especially mobile and web applications. Both of these vulnerabilities, if […]