Book Image

IoT Penetration Testing Cookbook

By : Aaron Guzman, Aditya Gupta
Book Image

IoT Penetration Testing Cookbook

By: Aaron Guzman, Aditya Gupta

Overview of this book

IoT is an upcoming trend in the IT industry today; there are a lot of IoT devices on the market, but there is a minimal understanding of how to safeguard them. If you are a security enthusiast or pentester, this book will help you understand how to exploit and secure IoT devices. This book follows a recipe-based approach, giving you practical experience in securing upcoming smart devices. It starts with practical recipes on how to analyze IoT device architectures and identify vulnerabilities. Then, it focuses on enhancing your pentesting skill set, teaching you how to exploit a vulnerable IoT device, along with identifying vulnerabilities in IoT device firmware. Next, this book teaches you how to secure embedded devices and exploit smart devices with hardware techniques. Moving forward, this book reveals advanced hardware pentesting techniques, along with software-defined, radio-based IoT pentesting with Zigbee and Z-Wave. Finally, this book also covers how to use new and unique pentesting techniques for different IoT devices, along with smart devices connected to the cloud. By the end of this book, you will have a fair understanding of how to use different pentesting techniques to exploit and secure various IoT devices.
Table of Contents (19 chapters)
Title Page
About the Authors
About the Reviewers
Customer Feedback

Analyzing filesystem contents

Now that we know how to reverse engineer firmware and extract the filesystem from it, in this section, we will look at the filesystem contents and perform additional vulnerability analyses on it. This will help us gain a deeper understanding of how to find security issues in firmware images, using which, we will be able to compromise an IoT device.

Getting ready

There are two approaches to analyzing filesystem contents:

  • Manual analysis.
  • Automated tools and scripts.

Manual analysis

In this approach of hunting for vulnerabilities within the firmware filesystem content, we perform analysis of the various files and folders present in the filesystem. This could range anywhere from looking at the configuration files, web directories, password files, hunting for backdoors, and so on. This is an ideal way of discovering vulnerabilities in the given firmware, and will be our focus for this section.

Automated tools and scripts

As of the date of publishing of this book, apart...