Book Image

Cybersecurity Attacks – Red Team Strategies

By : Johann Rehberger
Book Image

Cybersecurity Attacks – Red Team Strategies

By: Johann Rehberger

Overview of this book

It's now more important than ever for organizations to be ready to detect and respond to security events and breaches. Preventive measures alone are not enough for dealing with adversaries. A well-rounded prevention, detection, and response program is required. This book will guide you through the stages of building a red team program, including strategies and homefield advantage opportunities to boost security. The book starts by guiding you through establishing, managing, and measuring a red team program, including effective ways for sharing results and findings to raise awareness. Gradually, you'll learn about progressive operations such as cryptocurrency mining, focused privacy testing, targeting telemetry, and even blue team tooling. Later, you'll discover knowledge graphs and how to build them, then become well-versed with basic to advanced techniques related to hunting for credentials, and learn to automate Microsoft Office and browsers to your advantage. Finally, you'll get to grips with protecting assets using decoys, auditing, and alerting with examples for major operating systems. By the end of this book, you'll have learned how to build, manage, and measure a red team program effectively and be well-versed with the fundamental operational techniques required to enhance your existing skills.
Table of Contents (17 chapters)
1
Section 1: Embracing the Red
6
Section 2: Tactics and Techniques

Monitoring access to honeypot files on Linux

In Linux, there are a couple of ways to go about implementing decoy files to alert the red team of suspicious activities on hosts. The simplest way is probably using the inotifywait utility. Its use cases in this regard are limited. In this section, we will explore both inotifywait and auditd. The latter provides a lot of capabilities. First, let's create some credentials that might trick an adversary.

Creating a honeypot RSA key file

A good deception tactic to trick adversaries or other red teamers is to create fake SSH key files (something such as prod_rsa). This might trick someone to promptly try to inspect the file as it might appear to give access to production assets. Consider placing the file in a user's ~/.ssh folder because this is where adversaries will look for credentials.

The following screenshot shows how to use ssh-keygen to create a keypair:

Figure 11.25: Creation of the honeypot...