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Full Description
Find security flaws in any architecture effectively through emulation and fuzzing with QEMU and AFL
Purchase of the print or Kindle book includes a free PDF eBook
Key Features
Understand the vulnerability landscape and useful tools such as QEMU and AFL
Explore use cases to find vulnerabilities and execute unknown firmware
Create your own firmware emulation and fuzzing environment to discover vulnerabilities
Book DescriptionEmulation and fuzzing are among the many techniques that can be used to improve cybersecurity; however, utilizing these efficiently can be tricky. Fuzzing Against the Machine is your hands-on guide to understanding how these powerful tools and techniques work. Using a variety of real-world use cases and practical examples, this book helps you grasp the fundamental concepts of fuzzing and emulation along with advanced vulnerability research, providing you with the tools and skills needed to find security flaws in your software.
The book begins by introducing you to two open source fuzzer engines: QEMU, which allows you to run software for whatever architecture you can think of, and American fuzzy lop (AFL) and its improved version AFL++. You'll learn to combine these powerful tools to create your own emulation and fuzzing environment and then use it to discover vulnerabilities in various systems, such as iOS, Android, and Samsung's Mobile Baseband software, Shannon. After reading the introductions and setting up your environment, you'll be able to dive into whichever chapter you want, although the topics gradually become more advanced as the book progresses.
By the end of this book, you'll have gained the skills, knowledge, and practice required to find flaws in any firmware by emulating and fuzzing it with QEMU and several fuzzing engines.What you will learn
Understand the difference between emulation and virtualization
Discover the importance of emulation and fuzzing in cybersecurity
Get to grips with fuzzing an entire operating system
Discover how to inject a fuzzer into proprietary firmware
Know the difference between static and dynamic fuzzing
Look into combining QEMU with AFL and AFL++
Explore Fuzz peripherals such as modems
Find out how to identify vulnerabilities in OpenWrt
Who this book is forThis book is for security researchers, security professionals, embedded firmware engineers, and embedded software professionals. Learners interested in emulation, as well as software engineers interested in vulnerability research and exploitation, software testing, and embedded software development will also find it useful. The book assumes basic knowledge of programming (C and Python); operating systems (Linux and macOS); and the use of Linux shell, compilation, and debugging.
Contents
Table of Contents
Who this book is for
History of emulation
Qemu from the ground
Qemu Execution Modes and Fuzzing
A Famous Refrain: AFL+QEMU = CVEs
Modifying QEMU for basic instrumentation
Real-life Case Study: Samsung Exynos Baseband
Case Study: OpenWRT full system fuzzing
Case Study: OpenWRT System Fuzzing for ARM
Finally Here: iOS Full System Fuzzing
Deus Ex Machina: Fuzzing Android Libraries
Conclusion and Final Remarks
