Book Image

Threat Hunting with Elastic Stack

By : Andrew Pease
5 (1)
Book Image

Threat Hunting with Elastic Stack

5 (1)
By: Andrew Pease

Overview of this book

Threat Hunting with Elastic Stack will show you how to make the best use of Elastic Security to provide optimal protection against cyber threats. With this book, security practitioners working with Kibana will be able to put their knowledge to work and detect malicious adversary activity within their contested network. You'll take a hands-on approach to learning the implementation and methodologies that will have you up and running in no time. Starting with the foundational parts of the Elastic Stack, you'll explore analytical models and how they support security response and finally leverage Elastic technology to perform defensive cyber operations. You’ll then cover threat intelligence analytical models, threat hunting concepts and methodologies, and how to leverage them in cyber operations. After you’ve mastered the basics, you’ll apply the knowledge you've gained to build and configure your own Elastic Stack, upload data, and explore that data directly as well as by using the built-in tools in the Kibana app to hunt for nefarious activities. By the end of this book, you'll be able to build an Elastic Stack for self-training or to monitor your own network and/or assets and use Kibana to monitor and hunt for adversaries within your network.
Table of Contents (18 chapters)
1
Section 1: Introduction to Threat Hunting, Analytical Models, and Hunting Methodologies
4
Section 2: Leveraging the Elastic Stack for Collection and Analysis
11
Section 3: Operationalizing Threat Hunting

Connecting events with a timeline

In Chapter 8, The Elastic Security App, we were introduced to an information stealer known as Tesla Agent. We were able to see a bit of data surrounding the Tesla execution, with me even staging the malware onto the victim box. As promised, we're going to dig a bit deeper into this malware infection to demonstrate how to use the Security app to perform targeted hunts for observed events. Let's get right into it.

As I mentioned in the previous chapter, I am obscuring the malware identifying marks because it is live malware, which can damage a network, and adversary-controlled infrastructure could have innocent victims that I don't want to expose.

As a brief reminder, we detonated a malware sample on our victim machine. I used a two-day-old Agent Tesla sample, but any will do. Once you've detonated your malware, you should see it in the Alert View of the Security app. From here, we can click on the Resolver button.

Moving on...