Cisco Talos
Vulnerability Spotlight: Kakadu SDK Vulnerabilities
Vulnerabilities discovered by Aleksandar Nikolic and Tyler Bohan of Cisco Talos. Today, Talos is disclosing multiple vulnerabilities that have been identified in the Kakadu JPEG 2000 SDK. The vulnerabilities manifest in a way that could be exploited if a user opens a specifically crafted JPEG 2000 f…
Unpacking the New Ransomware Attack
You didn’t think WannaCry was the end of the ransomware story, did you? This week, a new ransomware exploit began sweeping Europe and apparently made its way into the United States in a matter of hours. Although many press accounts identified the malware as Petya, Cisco’s Talos threat analysis team…
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 within a mobile app…
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…
Samba Vulnerability: Dancing Its Way to a Network Near You
Overview Today, a new vulnerability affecting the widely used Samba software was released. Samba is the SMB/CIFS protocol commonly used in *NIX operating systems. CVE-2017-7494 has the potential to impact many systems around the world. This vulnerability could allow a user to upload a shared library…
Matryoshka Doll Reconnaissance Framework
This post authored by David Maynor & Paul Rascagneres with the contribution of Alex McDonnell and Matthew Molyett Overview Talos has identified a malicious Microsoft Word document with several unusual features and an advanced workflow, performing reconnaissance on the targeted system to avoid s…
Vulnerability Spotlight: Adobe Acrobat Reader DC jpeg Decoder Vulnerability
Discovered by Aleksandar Nikolic of Cisco Talos Overview Talos is disclosing TALOS-2016-0259 / CVE-2017-2791 an uninitialized memory vulnerability in Adobe Acrobat Reader DC. Adobe Acrobat Reader is one of the largest and well known PDF readers available today. This particular vulnerability is asso…
Without Necurs, Locky Struggles
This post authored by Nick Biasini with contributions from Jaeson Schultz Locky has been a devastating force for the last year in the spam and ransomware landscape. The Locky variant of ransomware has been responsible for huge amounts of spam messages being sent on a daily basis. The main driver beh…
Cerber Spam: Tor All the Things!
This post authored by Nick Biasini and Edmund Brumaghin with contributions from Sean Baird and Andrew Windsor. Executive Summary Talos is continuously analyzing email based malware always looking at how adversaries change and the new techniques that are being added on an almost constant basis. Recen…
1