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

Vulnerability Spotlight: Power Software PowerISO ISO Code Execution Vulnerabilities

1 min read

These vulnerabilities were discovered by Piotr Bania of Cisco Talos. Today, Talos is releasing details of a new vulnerability discovered within the Power Software PowerISO disk imaging software. TALOS-2017-0318 and TALOS-2017-0324 may allow an attacker to execute arbitrary code remotely on the vulnerable system when a specially crafted ISO image is opened and parsed by […]

THREAT RESEARCH

Talos Group

Threat Round-up for Apr 21 – Apr 28

1 min read

Today, Talos is publishing a glimpse into the most prevalent threats we’ve observed between April 21 and April 28. 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

Vulnerability Spotlight: Randombit Botan Library X509 Certificate Validation Bypass Vulnerability

1 min read

This vulnerability was discovered by Aleksandar Nikolic of Cisco Talos. Overview Talos has discovered a vulnerability in the Randombit Botan library. A programming error exists in a way Botan library implements x500 string comparisons which could lead to certificate verification issues and abuse. A specially crafted X509 certificate would need to be delivered to the […]

THREAT RESEARCH

Talos Group

Vulnerability Spotlight: Multiple Vulnerabilities in Zabbix

1 min read

These vulnerabilities were discovered by Lilith Wyatt of Cisco ASIG Summary Zabbix is an enterprise monitoring solution that is designed to give organizations the ability to monitor the health and status of various systems within their networks, including: network services, servers, and networking equipment. Cisco recently discovered multiple vulnerabilities in the Zabbix Server software component […]

THREAT RESEARCH

Talos Group

Vulnerability Spotlight: IrfanView Jpeg2000 Reference Tile width Arbitrary Code Execution Vulnerability

1 min read

Discovered by Aleksandar Nikolic of Cisco Talos Overview Talos is disclosing TALOS-2017-0310 / CVE-2017-2813, an arbitrary code execution vulnerability in the JP2 plugin for IrfanView image viewer. IrfanView is a widely used, Windows based, image viewing and editing application. This particular vulnerability is in the jpeg2000 plugin (JP2) for IrfanView resulting in an integer overflow […]

THREAT RESEARCH

Talos Group

Vulnerability Spotlight: Hard-coded Credential Flaw in Moxa ICS Wireless Access Points Identified and Fixed

1 min read

Earlier this month, Talos responsibly disclosed a set of vulnerabilities in Moxa ICS wireless access points. While most of the vulnerabilities were addressed in the previous set of advisories, Talos has continued to work with Moxa to ensure all remaining vulnerabilities that Talos identified are patched. Today in coordination with Moxa, Talos is disclosing the […]

THREAT RESEARCH

Talos Group

Threat Round-up for Apr 14 – Apr 21

1 min read

Today, Talos is publishing a glimpse into the most prevalent threats we’ve observed between April 14 and April 21. 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

Threat Spotlight: Mighty Morphin Malware Purveyors: Locky Returns Via Necurs

1 min read

This post was authored by Nick Biasini Throughout the majority of 2016, Locky was the dominant ransomware in the threat landscape. It was an early pioneer when it came to using scripting formats Windows hosts would natively handle, like .js, .wsf, and .hta. These scripting formats acted as a vehicle to deliver the payload via […]

THREAT RESEARCH

Talos Group

Vulnerability Spotlight: ARM Mbedtls x509 ECDSA invalid public key Code Execution Vulnerability

1 min read

Vulnerability Discovered by Aleksandar Nikolic Overview Talos is disclosing TALOS-2017-0274/CVE-2017-2784, a code execution vulnerability in ARM MbedTLS. This vulnerability is specifically related to how MbedTLS handles x509 certificates. MbedTLS is an SSL/TLS implementation aimed specifically at embedded devices that was previously known as PolarSSL. The vulnerability exists in the part of the code responsible […]