SANS Digital Forensics and Incident Response Blog

The new version of SOF-ELK is here. Download, turn on, and get going on forensics analysis.

 

Sof-Elk (Horizontal)

We are excited to announce the release of an all-new version of the free SOF-ELK®, or Security Operation and Forensics ELK virtual machine. Now based on the new version of the Elastic Stack, SOF-ELK is a complete rebuild that is faster and more effortless than its predecessors, making forensic and security data analysis easier than ever.

 

Since its introduction about five years ago, there have been more than 10,000 downloads of SOF-ELK around the world by computer forensic investigators and information security operations personnel in the government, law enforcement and commercial sectors. The SOF-ELK platform is a customized build of the open source ELK stack, consisting of the Elasticsearch storage and search engine, Logstash ingestion and enrichment component, and the Kibana dashboard frontend.

 

SOF-ELK was always designed to help minimize the typically long and involved setup process the ELK stack requires by delivering a pre-built virtual appliance that can be downloaded in a ready-to-use state. It can consume various source data types (numerous log types as well as NetFlow), parses out the most critical data fields, and presents it on several stock dashboards. Users can also build custom data visualizations that suit their own investigative or operational requirements (and because of the fully open source nature of the project, can choose to contribute those custom builds back to the primary code repository). Learn more about the SOF-ELK distribution.

 

The new version of SOF-ELK has been rebuilt from the ground up to take advantage of the new version of the Elastic Stack software and uses all of the Elastic Stack's components. This required a total rebuild of all dashboards and supporting scripts. Simply download this distribution, turn it on, feed it some data and begin analysis. It's that easy.

 

The SANS team has performed extensive testing of this distribution of the SOF-ELK platform. The new version's most immediate benefits are its speed and refreshed browser interface. This is faster and easier to use and can visualize massive amounts of data through the dashboards. We also expect faster development cycles. Here are some more changes in the new SOF-ELK:

 

  • Supports the latest updates on the kernel and all CentOS packages.
  • Includes new parsers from upstream and community contributions.
  • Rebuilt and revalidated all Logstash parsers against latest syntax
  • Better handles dynamic (boot-time) memory allocation for Elasticsearch.
  • Rebuilt all Kibana dashboards to handle updated index mappings and field names
  • IPv6 addresses can now be handled as IPs instead of strings
  • Features many under-the hood changes that will make our roadmap much smoother in the future

The SOF-ELK platform was initially developed for SANS FOR572, Advanced Network Forensics and Analysis, and is now used in SANS SEC555, SIEM with Tactical Analysis. Additional course integrations are being actively worked at this time and considered for future versions. However, SOF-ELK was always designed as a free resource for the digital forensic and broader information security communities at large — a ready-to-use appliance that teams can use without having to invest the many hours into deploying, configuring, and maintaining an Elastic Stack instance. We hope you check out the latest version of the SOF-ELK distribution.SOF-ELK®: A Free, Scalable Analysis Platform for Forensic, incident Response, and Security Operations

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JOIN THIS WEBCAST TO FIND OUT MORE:
SOF-ELK®: A Free, Scalable Analysis Platform for Forensic, Incident Response, and Security Operations

  • When: Tuesday, March 5th, 2019 at 1:00 PM EST
  • Conducted by Phil Hagen
  • Register now

Overview

There is no shortage of digital evidence, with many DFIR and Security Operations teams handling terabytes of log and network data per week. This amount of data presents unique challenges, and many tools are simply inadequate at such a large scale. Commercial platforms that are up to the task are often far out of budgetary reach for small- and medium-sized organizations.

The Elastic Stack, a big data storage and analysis platform, has become increasingly popular due to its scalability and open-source components. Countless investigative and security teams have incorporated Elastic into their toolkits, often realizing the significant level of effort required to customize and manage such a powerful tool. To overcome some of these hurdles, the SOF-ELK platform was created. SOF-ELK aims to be an appliance-like virtual machine that is preconfigured to ingest and parse several hundred different types of log entries, as well as NetFlow data. The intent is to provide analysts and investigators with a tool that leverages the power of the Elastic Stack with minimal setup time and effort. Originally a part of the SANS FOR572, Advanced Network Forensics & Threat Hunting course, SOF-ELK has been incorporated into additional SANS courses and is released as a free and open-source platform for the overall security community.

In this webcast, we will explore SOF-ELKs use cases, types of log data currently supported, as well as how to load data from live or archived sources. We will also show the various dashboards supplied with the VM and show how new features can be activated through the projects GitHub repository.

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