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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 key behavior characteristics, indicators of compromise, and how our customers are automatically […]

June 23, 2017 • 1 min read
Blog post

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 features low resource overhead and supports many different embedded platforms. It also features […]

June 22, 2017 • 1 min read
Blog post

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 Molyett contributed 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 discovered a vulnerability within Jaff which allowed them to create a decryptor. […]

June 21, 2017 • 1 min read
Blog post

Talos Targets Disinformation with Fake News Challenge Victory

This post was authored by Sean Baird with contributions by Doug Sibley and Yuxi Pan   Executive Summary For the past several months, the problem of “fake news” has been abuzz in news headlines, tweets, and social media posts across the web. With historical roots in information warfare and disinformation, “fake news” is a different kind […]

June 20, 2017 • 1 min read
Blog post

Delphi Used To Score Against Palestine

Executive Summary This blog was authored by Paul Rascagneres and Warren Mercer with contributions from Emmanuel Tacheau, Vanja Svajcer and Martin Lee. Talos continuously monitors malicious emails campaigns. We identified one specific spear phishing campaign launched against targets within Palestine, and specifically against Palestinian law enforcement agencies. This campaign started in April 2017, using a […]

June 19, 2017 • 1 min read
Blog post

Deep dive in Lexmark Perceptive Document Filters Exploitation

This post authored by Marcin Noga with contributions from Nick Biasini Introduction Talos discovers and releases software vulnerabilities on a regular basis. We don’t always publish a deep technical analysis of how the vulnerability was discovered or its potential impact. This blog will cover these technical aspects including discovery and exploitation. Before we deep dive into […]

June 14, 2017 • 1 min read
Blog post

Vulnerability Spotlight: EZB Systems UltraISO ISO Parsing Code Execution Vulnerability

Discovered by Piotr Bania of Cisco Talos Today, Talos is releasing details of a new vulnerability discovered within the EZB Systems UltraISO ISO disk image creator software. TALOS-2017-0342 (CVE-2017-2840) may allow an attacker to execute arbitrary code remotely on the vulnerable system when a specially crafted ISO image is opened and parsed by the UltraISO […]

August 2, 2017 • 1 min read