SANS Digital Forensics and Incident Response Blog: Category - Advanced Persistent Threat

Uncovering Targeted Web-Based Malware Through Shapeshifting

Targeted Web-Based Malware? Malware authors are frequently observed leveraging server side scripting on their infrastructure to evade detection and better target their attacks. This includes both exploit kits and servers hosting secondary stage payloads, all of which can easily be set up to alter their responses based on the footprint of the visitor. This could … Continue reading Uncovering Targeted Web-Based Malware Through Shapeshifting


Coin Check: Win the challenge, join the elite list of lethal forensicators & take home a brand new DFIR challenge coin!

Hundreds of SANS Institute digital forensics students have stepped up to the challenge and conquered. They've mastered the concepts and skills, beat out their classmates, and proven their prowess. These are the elite, the recipients of the SANS Lethal Forensicator Coin, an award given to a select portion of the thousands of students that … Continue reading Coin Check: Win the challenge, join the elite list of lethal forensicators & take home a brand new DFIR challenge coin!


Three Steps to Communicate Threat Intelligence to Executives.

As the community of security professionals matures there is a merging of the intel community, the incident response professionals, and security operations. One struggle folks have is how to make the threat intelligence actionable for the business. You have the large data from Recorded Future, yet, how do you apply the data in a practical … Continue reading Three Steps to Communicate Threat Intelligence to Executives.


WannaCry Ransomware Threat : What we know so far - WEBCAST slides

The WannaCry ransomware worm is unprecedented for two reasons. First, it's a ransomware worm. Second, it appears to be using a recently patched exploit that was stolen from NSA to propagate. Jake Williams' firm, Rendition Infosec, has been tracking the use of this exploit since it was publicly released and completed another internet-wide scan of … Continue reading WannaCry Ransomware Threat : What we know so far - WEBCAST slides


Mass Triage Part 3: Processing Returned Files - At Jobs

Our story so far... Frank, working with Hermes, another security analyst, goes to work to review the tens of thousands of files retrieved by FRAC. They start off by reviewing the returned AT jobs. AT Job Used by Actors AT jobs are scheduled tasks created using the at.exe command. At jobs take the filename format … Continue reading Mass Triage Part 3: Processing Returned Files - At Jobs