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IoT Penetration Testing Cookbook

3.4 (5)

IoT Penetration Testing Cookbook

3.4 (5)

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.

Preface

Preface

What this book covers

What you need for this book

Who this book is for

Sections

Conventions

Reader feedback

Customer support

Free Chapter

IoT Penetration Testing

IoT Penetration Testing

Introduction

Defining the IoT ecosystem and penetration testing life cycle

Firmware 101

Web applications in IoT

Mobile applications in IoT

Device basics

Introduction to IoT's wireless communications

Setting up an IoT pen testing lab

IoT Threat Modeling

IoT Threat Modeling

Introduction

Getting familiar with threat modeling concepts

Anatomy of threat modeling an IoT device

Threat modeling firmware

Threat modeling of an IoT web application

Threat modeling an IoT mobile application

Threat modeling IoT device hardware

Threat modeling IoT radio communication

Analyzing and Exploiting Firmware

Analyzing and Exploiting Firmware

Introduction

Defining firmware analysis methodology

Obtaining firmware

Analyzing firmware

Analyzing filesystem contents

Emulating firmware for dynamic analysis

Getting started with ARM and MIPS

Exploiting MIPS

Backdooring firmware with firmware-mod-kit (FMK)

Exploitation of Embedded Web Applications

Exploitation of Embedded Web Applications

Introduction

Getting started with web app security testing

Using Burp Suite

Using OWASP ZAP

Exploiting command injection

Exploiting XSS

Exploiting CSRF

Exploiting IoT Mobile Applications

Exploiting IoT Mobile Applications

Introduction

Acquiring IoT mobile applications

Decompiling Android applications

Decrypting iOS applications

Using MobSF for static analysis

Analyzing iOS data storage with idb

Analyzing Android data storage

Performing dynamic analysis testing

IoT Device Hacking

IoT Device Hacking

Introduction

Hardware exploitation versus software exploitation

Hardware hacking methodology

Hardware reconnaissance techniques

Electronics 101

Identifying buses and interfaces

Serial interfacing for embedded devices

NAND glitching

JTAG debugging and exploitation

Radio Hacking

Radio Hacking

Introduction

Getting familiar with SDR

Hands-on with SDR tools

Understanding and exploiting ZigBee

Gaining insight into Z-Wave

Understanding and exploiting BLE

Firmware Security Best Practices

Firmware Security Best Practices

Introduction

Preventing memory-corruption vulnerabilities

Preventing injection attacks

Securing firmware updates

Securing sensitive information

Hardening embedded frameworks

Securing third-party code and components

Mobile Security Best Practices

Mobile Security Best Practices

Introduction

Storing data securely

Implementing authentication controls

Securing data in transit

Securely using Android and iOS platform components

Securing third-party code and components

Employing reverse engineering protections

Securing Hardware

Securing Hardware

Introduction

Hardware best practices

Uncommon screw types

Antitamper and hardware protection mechanisms

Side channel attack protections

Exposed interfaces

Encrypting communication data and TPM

Advanced IoT Exploitation and Security Automation

Advanced IoT Exploitation and Security Automation

Introduction

Finding ROP gadgets

Chaining web security vulnerabilities

Configuring continuous integration testing for firmware

Configuring continuous integration testing for web applications

Configuring continuous integration testing for mobile applications

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Threat modeling of an IoT web application

Continuing our threat modeling exercises for our DVR, we will work on breaking down its web applications. Our DVR contains two types of web applications. One web application is embedded, running off of the DVR itself. The second web application is a SaaS application provided by the vendor for remote access to the DVR and its camera feeds.

The SaaS application accesses the embedded DVR within the LAN. We have a better sense of what runs on the embedded web application locally on the DVR rather than the vendor SaaS application. Earlier in the chapter, we did mention some technologies utilized for the vendor web application but no additional information is known at this time. We will start by drawing out the architecture of the embedded web application and touch on the vendor SaaS application in the threats section rather than drawing its...

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