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Threat Hunting with Indicators: Not for Prevention Anymore

  • Tuesday, March 21, 2017 at 3:00 PM EST (2017-03-21 19:00:00 UTC)
  • Philip Hagen

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"Threat Hunting" is essentially using new intelligence to examine existing data collections. Network data such as NetFlow, Logs, and Full-Packet Capture provides extremely useful source data to facilitate threat hunting and this webcast will show you how.

Traditionally, network defenders have used intelligence such as indicators to feed so-called "prevention" or real-time detection systems. However, the shelf-life for most threat intelligence is growing shorter - often being "outdated" as soon as it is released. Instead, security practitioners should use this intelligence as a means of searching for previous activity consistent with those newly-available indicators. This is the essence of hunting.

In this webcast, we'll explore some recent intelligence releases (possibly including GRIZZLY STEPPE, the Shadow Brokers, or similar). Using pre-collected network evidence, we will identify some false positives that can be ruled out, saving you precious time as well as some potentially suspicious actions that warrant further investigation.

Learn more on this topic at the SANS Threat Hunting & Incident Response Summit & Training, April 18-25 in New Orleans. The Summit will focus on specific hunting and incident response techniques and capabilities that can be used to identify, contain, and eliminate adversaries targeting your networks.

Speaker Bio

Philip Hagen

Phil Hagen is the course lead and author of FOR572, Advanced Network Forensics and Analysis, a course that provides a hands-on curriculum on the skills necessary to perform investigations of network-based incidents, where the hard drives or memory of compromised systems are often missing. He is also a DFIR Strategist at Red Canary. Phil started his career as part of a specialization within the computer science department at the U.S. Air Force Academy, where he focused on network security and was an inaugural member of the computer security extracurricular group. He served in the U.S. Air Force as a communications officer at Beale AFB and the Pentagon, and then in 2003 Phil moved over to a position with a government contractor, providing technical services for various IT and information security projects. Now 18 years later, Phil's work has spanned the full life cycle of attacks--tool development, deployment, operational and investigative aftermath--giving him a rare opportunity to provide deep insight into the artifacts left behind. Phil has covered deep technical tasks, management of an entire computer forensic services portfolio and executive responsibilities. He's supported systems that demanded 24x7x365 functionality, managed a team of 85 computer forensic professionals in the national security sector, and provided forensic consulting services for law enforcement, government, and commercial clients. Phil also spends time developing and maintaining the SOF-ELK distribution. SOF-ELK is a virtual appliance that is pre-configured with the ELK stack (Elasticsearch, Logstash, and Kibana), and it is provided as a free tool to help the DFIR Community boost case efficiency and effectiveness. Phil is a mentor and teacher at heart, one of his biggest source of professional pride.

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