Vulnerability Spotlight: Multiple vulnerabilities in Sierra Wireless AirLink ES450
Several exploitable vulnerabilities exist in the Sierra Wireless AirLink ES450, an LTE gateway designed for distributed enterprise, such as retail point-of-sale or industrial control systems. These flaws present a number of attack vectors for a malicious actor, and could allow th
Threat Source (April 25)
JasperLoader Emerges, Targets Italy with Gootkit Banking Trojan
Nick Biasini and Edmund Brumaghin authored this blog post with contributions from Andrew Williams. Introduction to JasperLoader Malware loaders are playing an increasingly important role in malware distribution. They give adversaries the ability to gain an initial foothold on a
Vulnerability Spotlight: Symantec Endpoint Protection kernel memory information disclosure vulnerability
Marcin Noga of Cisco Talos discovered this vulnerability. Overview Cisco Talos is disclosing an information leak vulnerability in the ccSetx86.sys kernel driver of Symantec Endpoint Protection Small Business Edition. The vulnerability exists in the driver’s control message ha
DNSpionage brings out the Karkoff
Update 4/24: The C2 section below now includes details around the XOR element of the C2 communication system. Executive summary In November 2018, Cisco Talos discovered an attack campaign, called DNSpionage, in which threat actors created a new remote administrative tool that
Threat Roundup for April 12 to April 19
Today, Talos is publishing a glimpse into the most prevalent threats we've observed between April 12 and April 19. 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
Threat Source (April 18): New attacks distribute Formbook, LokiBot
Welcome to this week’s Threat Source newsletter — the perfect place to get caught up on all things Talos from the past week. If you haven’t yet, there’s still time to register for this year’s Talos Threat Research Summit — our second annual conference by defenders, for defenders
Beers with Talos Ep. #51: Sea Turtles yeeting packets
DNS Hijacking Abuses Trust In Core Internet Service
By Danny Adamitis, David Maynor, Warren Mercer, Matthew Olney and Paul Rascagneres. Update 4/18: A correction has been made to our research based on feedback from Packet Clearing House, we thank them for their assistance Preface This blog post discusses the technical details