Book Image

Purple Team Strategies

By : David Routin, Simon Thoores, Samuel Rossier
Book Image

Purple Team Strategies

By: David Routin, Simon Thoores, Samuel Rossier

Overview of this book

With small to large companies focusing on hardening their security systems, the term "purple team" has gained a lot of traction over the last couple of years. Purple teams represent a group of individuals responsible for securing an organization’s environment using both red team and blue team testing and integration – if you’re ready to join or advance their ranks, then this book is for you. Purple Team Strategies will get you up and running with the exact strategies and techniques used by purple teamers to implement and then maintain a robust environment. You’ll start with planning and prioritizing adversary emulation, and explore concepts around building a purple team infrastructure as well as simulating and defending against the most trendy ATT&CK tactics. You’ll also dive into performing assessments and continuous testing with breach and attack simulations. Once you’ve covered the fundamentals, you'll also learn tips and tricks to improve the overall maturity of your purple teaming capabilities along with measuring success with KPIs and reporting. With the help of real-world use cases and examples, by the end of this book, you'll be able to integrate the best of both sides: red team tactics and blue team security measures.
Table of Contents (20 chapters)
1
Part 1: Concept, Model, and Methodology
6
Part 2: Building a Purple Infrastructure
12
Part 3: The Most Common Tactics, Techniques, and Procedures (TTPs) and Defenses
14
Part 4: Assessing and Improving

Lateral movement

To achieve their objectives, a threat actor will need to move within our network, allowing us to detect them. As we mentioned in the previous section, the attacker must map the network to know where to pivot inside our information system.

In this section, we will look at various sub-techniques related to the remote services technique, which is largely used by threat actors.

T1021 – Remote services

Once attackers obtain valid credentials, they will use them on all the assets they discovered in the discovery phase. The CTI taught us that they will mostly rely on the following:

  • T1021.001 – Remote desktop protocol
  • T1021.002 – SMB/Windows admin shares
  • T1021.004 – SSH

The good news is that lateral movement detection is quite similar to discovery detection and even covers other lateral movement techniques (relying on WinRM, DCOM objects, and so on):

Table 10.16 – Purple Teaming T1021

Once lateral...