Articles
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…
Talos Responsible Disclosure Policy Update
Responsible disclosure of vulnerabilities is a key aspect of security research. Often, the difficulty in responsible disclosure is balancing competing interests – assisting a vendor with patching their product and notifying the general public to prevent a 0-day situation. It is uncomfortable t…
Fareit Spam: Rocking Out to a New File Type
This post authored by Nick Biasini Talos is constantly monitoring the threat landscape including the email threat landscape. Lately this landscape has been dominated with Locky distribution. During a recent Locky vacation Talos noticed an interesting shift in file types being used to distribute anot…
Crashing Stacks Without Squishing Bugs: Advanced Vulnerability Analysis
Overview Crash triaging can be a long and complicated process; by using proper tools and having an optimal approach, we can make this a bit easier and less time consuming. In this post we describe a triaging strategy and toolset based on two examples of vulnerability classes: Stack based buffer ove…
Microsoft Patch Tuesday – November 2016
Today, Microsoft has released their monthly set of security bulletins designed to address security vulnerabilities within their products. For a detailed explanation of each of the categories listed below, please go to https://technet.microsoft.com/en-us/security/gg309177.aspx. This month’s release i…
Take the RIG Pill: Down the Rabbit Hole
Executive Summary Talos is monitoring the big notorious Exploit Kits(EK) on an ongoing basis. Since Angler disappeared a few month ago, RIG is one EK which seems to be trying to fill the gap Angler has left. We see an ongoing development on RIG. This report gives more details about the complex infec…
Vulnerability Spotlight: Windows 10 Remote Denial of Service
Talos is releasing an advisory for a remote denial of service attack vulnerability in Microsoft Windows 10 AHCACHE.SYS. An attacker can craft a malicious portable executable file, which if accessed causes AHCACHE.SYS to attempt to access out of scope memory. This triggers a bugcheck in the Windows k…
Sundown EK: You Better Take Care
This post was authored by Nick Biasini Over the last six months the exploit kit landscape has seen some major changes. These changes began with Nuclear ceasing operations in April/May and arrests in Russia coinciding with the end of Angler in June. Recently, Neutrino has been added to the list of e…
Vulnerability Spotlight: LibTIFF Issues Lead To Code Execution
These Vulnerabilities were discovered by Tyler Bohan of Cisco Talos. Talos is releasing multiple vulnerabilities (TALOS-2016-0187, TALOS-2016-0190 & TALOS-2016-0205) in the LibTIFF library . One vulnerability (TALOS-2016-0187) is an exploitable heap based buffer overflow that impacts the LibTI…
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