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Logs, Logs, Every Where / Nor Any Byte to Grok

  • Thursday, May 1st, 2014 at 1:00 PM EDT (17:00:00 UTC)
  • Phil Hagen
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Overview

In the practice of Network Forensics, we frequently lack the ultimate evidence - a full packet capture. Instead, we must seek other Artifacts of Communication, which provide insight to system communications that have long since concluded. These artifacts often come from log events created along the path of communication - switches, routers, firewalls, intrusion detection systems, proxy servers, and a myriad other devices.

The skilled network forensicator will aggregate these different sources, then apply sound analytic processes to the consolidated evidence. Only then can we build a comprehensive understanding of those network communication events and establish the best possible sequence of events around the incident in question.

In this webcast, we will discuss one tool that can be very effective in practice: Logstash. Although Logstash is a free and open-source solution intended for system and network administrators to observe live data, it can also provide great value to the forensicator, who must integrate disparate data sources and formats. New developments around Logstash also make it an ideal tool for the system-based forensicator as well, since supertimeline data can be integrated as well.

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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