New HawkEye Reborn Variant Emerges Following Ownership Change
Edmund Brumaghin and Holger Unterbrink authored this blog post. Executive summary Malware designed to steal sensitive information has been a threat to organizations around the world for a long time. The emergence of the greyware market and the increased commercialization of key
Vulnerability Spotlight: Multiple Vulnerabilities in CUJO Smart Firewall, Das U-Boot, OCTEON SDK, Webroot BrightCloud
Claudio Bozzato of Cisco Talos discovered these vulnerabilities. Executive summary CUJO AI produces the CUJO Smart Firewall, a device that provides protection to home networks against a myriad of threats such as malware, phishing websites and hacking attempts. Cisco Talos rec
Threat Roundup for Mar. 1 to Mar. 8
Combing Through Brushaloader Amid Massive Detection Uptick
Nick Biasini and Edmund Brumaghin authored this blog post with contributions from Matthew Molyett. Executive Summary Over the past several months, Cisco Talos has been monitoring various malware distribution campaigns leveraging the malware loader Brushaloader to deliver malwa
Fake Cisco Job Posting Targets Korean Candidates
Edmund Brumaghin and Paul Rascagneres authored this post, with contributions from Jungsoo An. Executive summary Cisco Talos recently observed a targeted malware campaign being leveraged in an attempt to compromise specific organizations. The infection vector associated with
Emotet re-emerges after the holidays
While Emotet has been around for many years and is one of the most well-known pieces of malware in the wild, that doesn't mean attackers don't try to freshen it up. Cisco Talos recently discovered several new campaigns distributing the infamous banking trojan via email. T
Threat Roundup Sept 28 - Oct 5
Today, as we do every week, Talos is giving you a glimpse into the most prevalent threats we’ve observed this week — covering the dates between Sept. 28 and Oct. 5. As with previous roundups, this post isn’t meant to be an in-depth analysis. Instead, we will summarize the threats
Vulnerability Spotlight: Google PDFium JBIG2 Image ComposeToOpt2WithRect Information Disclosure Vulnerability
Discovered by Aleksandar Nikolic of Cisco Talos Overview Cisco Talos is releasing details of a new vulnerability in Google PDFium's JBIG2 library. An exploitable out-of-bounds read on the heap vulnerability exists in the JBIG2-parsing code in Google Chrome, version 67.0.33
VPNFilter III: More Tools for the Swiss Army Knife of Malware
# code Summary VPNFilter — a multi-stage, modular framework that has infected hundreds of thousands of network devices across the globe — is now known to possess even greater capabilities. Cisco Talos recently discovered seven additional third-stage VPNFilter modules that add