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 Sept 22 – Sept 29

1 min read

Today, Talos is publishing a glimpse into the most prevalent threats we’ve observed between September 22 and September 29. 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

Banking Trojan Attempts To Steal Brazillion$

1 min read

This post was authored by Warren Mercer, Paul Rascagneres and Vanja Svajcer Introduction Banking trojans are among some of the biggest threats to everyday users as they directly impact the user in terms of financial loss. Talos recently observed a new campaign specific to South America, namely Brazil. This campaign was focused on various South […]

THREAT RESEARCH

Talos Group

FIN7 Group Uses JavaScript and Stealer DLL Variant in New Attacks

1 min read

This post was authored by Michael Gorelik and Josh Reynolds Executive Summary Throughout this blog post we will be detailing a newly discovered RTF document family that is being leveraged by the FIN7 group (also known as the Carbanak gang) which is a financially-motivated group targeting the financial, hospitality, and medical industries. This document is […]

THREAT RESEARCH

Talos Group

CCleaner Command and Control Causes Concern

1 min read

This post was authored by Edmund Brumaghin, Earl Carter, Warren Mercer, Matthew Molyett, Matthew Olney, Paul Rascagneres and Craig Williams. Note: This blog post discusses active research by Talos into a new threat. This information should be considered preliminary and will be updated as research continues. Introduction Talos recently published a technical analysis of a backdoor which was included with version 5.33 of the CCleaner […]

THREAT RESEARCH

Talos Group

CCleanup: A Vast Number of Machines at Risk

1 min read

This post was authored by: Edmund Brumaghin, Ross Gibb, Warren Mercer, Matthew Molyett, and Craig Williams Introduction Supply chain attacks are a very effective way to distribute malicious software into target organizations. This is because with supply chain attacks, the attackers are relying on the trust relationship between a manufacturer or supplier and a customer. […]

THREAT RESEARCH

Talos Group

Threat Round Up for Sept 8 – Sept 15

1 min read

Today, Talos is publishing a glimpse into the most prevalent threats we’ve observed between September 08 and September 15. 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

Deep Dive in MarkLogic Exploitation Process via Argus PDF Converter

1 min read

This post authored by Marcin Noga with contributions from William Largent Introduction Talos discovers and responsibly discloses software vulnerabilities on a regular basis. Occasionally we publish a deep technical analysis of how the vulnerability was discovered or its potential impact. In a previous post Talos took a deep dive into Lexmark Perceptive Document Filters, in […]

THREAT RESEARCH

Talos Group

Vulnerability Spotlight: YAML Parsing Remote Code Execution Vulnerabilities in Ansible Vault and Tablib.

1 min read

Talos is disclosing the presences of remote code execution vulnerabilities in the processing of Yet Another Markup Language (YAML) content in Ansible Vault and Tablib. Attackers can exploit these vulnerabilities through supplying malicious YAML content to execute arbitrary commands on vulnerable systems. YAML is a data serialisation markup format which is designed to be readable […]

THREAT RESEARCH

Talos Group

Vulnerability Spotlight: LibOFX Tag Parsing Code Execution Vulnerability

1 min read

This vulnerability was discovered by Cory Duplantis of Talos Update 9/20/2017: A patch is now available to fix this issue. Overview LibOFX is an open source implementation of OFX (Open Financial Exchange) an open format used by financial institutions to share financial data with clients. As an implementation of a complex standard, this library is […]