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July 5, 2017 14:22

The MeDoc Connection

Summary The Nyetya attack was a destructive ransomware variant that affected many organizations inside of Ukraine and multinational corporations with operations in Ukraine. In cooperation with Cisco Advanced Services Incident Response, Talos identified several key aspects of the

June 30, 2017 14:05

Vulnerability Spotlight: Dell Precision Optimizer and Invincea Vulnerabilities

Vulnerabilities discovered by Marcin ‘Icewall’ Noga of Cisco Talos. Overview Talos are releasing advisories for vulnerabilities in the Dell Precision Optimizer application service software, Invincea-X and Invincea Dell Protected Workspace. These packages are pre-installed on ce

June 27, 2017 14:02

New Ransomware Variant "Nyetya" Compromises Systems Worldwide

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. Update 2017-07-06 12:30 EDT: Updated to explain the modified DoublePulsar backdoor. Since the SamSam attacks

June 23, 2017 15:55

Threat Round-up for June 16 - June 23

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between June 16 and June 23. 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

June 22, 2017 13:37

Vulnerability Spotlight: Multiple Vulnerabilities in InsideSecure MatrixSSL

These vulnerabilities were discovered by Aleksandar Nikolic of Cisco Talos Overview MatrixSSL is a TLS/SSL stack offered in the form of a Software Development Kit (SDK) that is geared towards application in Internet of Things (IOT) devices and other embedded systems. It feature

June 21, 2017 17:00

Player 1 Limps Back Into the Ring - Hello again, Locky!

This post was authored by Alex Chiu, Warren Mercer, and Jaeson Schultz.  Sean Baird and Matthew Molyettcontributed to this post. Back in May, the Necurs spam botnet jettisoned Locky ransomware in favor of the new Jaff ransomware variant. However, earlier this month Kaspersky dis

June 20, 2017 13:22

Talos Targets Disinformation with Fake News Challenge Victory

While actual truth-labeling is a hefty task, rife with political and technical issues, stance detection is a potential first step toward a more robust solution.

June 19, 2017 11:48

Delphi Used To Score Against Palestine

This blog was authored by Paul Rascagneres and Warren Mercer with contributions from Emmanuel Tacheau, Vanja Svajcer and Martin Lee. Executive Summary Talos continuously monitors malicious emails campaigns. We identified one specific spear phishing campaign launched against tar

June 19, 2017 11:45

Vulnerability Spotlight: Multiple Foscam C1 Vulnerabilities Come in to Focus

Executive Summary The Foscam C1 is a webcam that is marketed for use in a variety of applications including home security monitoring. As an indoor webcam, it is designed to be set up inside of a building and features the ability to be accessed remotely via a web interface or from