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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

February 12, 2020

THREAT RESEARCH

Loda RAT Grows Up

By Chris Neal. Over the past several months, Cisco Talos has observed a malware campaign that utilizes websites hosting a new version of Loda, a remote access trojan (RAT) written in AutoIT. These websites also host malicious documents that begin a multi-stage infection chain which ultimately serves…

February 7, 2020

THREAT RESEARCH

Threat Roundup for January 31 to February 7

Today, Talos is publishing a glimpse into the most prevalent threats we’ve observed between Jan 31 and Feb 7. As with previous roundups, this post isn’t meant to be an in-depth analysis. Instead, this post will summarize the threats we’ve observed by highlighting key behavioral cha…

January 31, 2020

THREAT RESEARCH

Threat Roundup for January 24 to January 31

Today, Talos is publishing a glimpse into the most prevalent threats we’ve observed between Jan 24 and Jan 31. As with previous roundups, this post isn’t meant to be an in-depth analysis. Instead, this post will summarize the threats we’ve observed by highlighting key behavioral ch…

January 24, 2020

THREAT RESEARCH

Threat Roundup for January 17 to January 24

Today, Talos is publishing a glimpse into the most prevalent threats we’ve observed between Jan 17 and Jan 24. As with previous roundups, this post isn’t meant to be an in-depth analysis. Instead, this post will summarize the threats we’ve observed by highlighting key behavioral ch…

January 21, 2020

THREAT RESEARCH

Breaking down a two-year run of Vivin’s cryptominers

News Summary There is another large-scale cryptomining attack from an actor we are tracking as “Vivin” that has been active since at least November 2017. “Vivin” has consistently evolved over the past few years, despite having poor operational security and exposing key detai…

January 17, 2020

THREAT RESEARCH

Threat Roundup for January 10 to January 17

Today, Talos is publishing a glimpse into the most prevalent threats we’ve observed between Jan 10 and Jan 17. As with previous roundups, this post isn’t meant to be an in-depth analysis. Instead, this post will summarize the threats we’ve observed by highlighting key behavioral ch…

January 16, 2020

THREAT RESEARCH

JhoneRAT: Cloud based python RAT targeting Middle Eastern countries

Today, Cisco Talos is unveiling the details of a new RAT we have identified we’re calling “JhoneRAT.” This new RAT is dropped to the victims via malicious Microsoft Office documents. The dropper, along with the Python RAT, attempts to gather information on the victim’s machin…

January 13, 2020

THREAT RESEARCH

New Snort rules protect against recently discovered Citrix vulnerability

By Edmund Brumaghin, with contributions from Dalton Schaadt. Executive Summary Recently, the details of a critical vulnerability affecting Citrix Application Delivery Controller and Citrix Gateway servers were publicly disclosed. This vulnerability is currently being tracked using CVE-2019-19781. A…

January 10, 2020

THREAT RESEARCH

Threat Roundup for January 3 to January 10

Today, Talos is publishing a glimpse into the most prevalent threats we’ve observed between Jan 3 and Jan 10. As with previous roundups, this post isn’t meant to be an in-depth analysis. Instead, this post will summarize the threats we’ve observed by highlighting key behavioral cha…