Book Image

Fuzzing Against the Machine

By : Antonio Nappa, Eduardo Blázquez
Book Image

Fuzzing Against the Machine

By: Antonio Nappa, Eduardo Blázquez

Overview of this book

Emulation 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.
Table of Contents (18 chapters)
1
Part 1: Foundations
5
Part 2: Emulation and Fuzzing
9
Part 3: Advanced Concepts
15
Chapter 12: Conclusion and Final Remarks

History of Emulation

Bringing software to life again, regardless of whether you own the hardware or not. From passionate gamers of the arcades of the 80s to PlayStation fans, who hasn't dreamt of the possibility to execute that software on their PC, or probably already has (https://www.mamedev.org/)? I remember when I started to use Linux – you could easily convert it into a switch, a router, or a DHCP server. This concept of a general-purpose machine that can execute all software was extremely intriguing to me. Since then, emulation has gained hype and it’s being used for multiple purposes. It originated as a form of art and excellence to preserve the execution of old software when hardware gets inevitably old and breaks. But the advent of QEMU (https://www.usenix.org/legacy/event/usenix05/tech/freenix/full_papers/bellard/bellard.pdf), among other emulators, has opened enormous possibilities to emulate and test any kind of software for any architecture without moving...