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Fuzzing Against the Machine

You're reading from Fuzzing Against the Machine Automate vulnerability research with emulated IoT devices on QEMU

Product type Paperback

Published in May 2023

Publisher Packt

ISBN-13 9781804614976

Length 238 pages

Edition 1st Edition

Languages

Assembly

Tools

Qemu

Concepts

Cybersecurity

Authors (3):

Antonio Nappa

Eduardo Blázquez

Eduardo Blazquez

View More author details

Table of Contents (18) Chapters

Preface

1. Part 1: Foundations

2. Chapter 1: Who This Book is For FREE CHAPTER

3. Chapter 2: History of Emulation

4. Chapter 3: QEMU From the Ground

5. Part 2: Emulation and Fuzzing

6. Chapter 4: QEMU Execution Modes and Fuzzing

7. Chapter 5: A Famous Refrain: AFL + QEMU = CVEs

8. Chapter 6: Modifying QEMU for Basic Instrumentation

9. Part 3: Advanced Concepts

10. Chapter 7: Real-Life Case Study: Samsung Exynos Baseband

11. Chapter 8: Case Study: OpenWrt Full-System Fuzzing

12. Chapter 9: Case Study: OpenWrt System Fuzzing for ARM

13. Chapter 10: Finally Here: iOS Full System Fuzzing

14. Chapter 11: Deus Ex Machina: Fuzzing Android Libraries

15. Chapter 12: Conclusion and Final Remarks

16. Index

Why subscribe?

17. Other Books You May Enjoy

Case Study: OpenWrt Full-System Fuzzing

In this chapter, we will explore one of the most famous open source projects for Wi-Fi routers, OpenWrt (https://openwrt.org/). As of today (at the end of 2022), the OpenWrt project supports almost two thousand router models, and it is capable of bringing enhanced functionality with respect to stocking firmware for many models. For the sake of simplicity, in this chapter, we will compile the system for x86 because we want to reuse our fuzz harness (TriforceAFL). We will see how easy is to generate crashes to explore for vulnerability research.

In this chapter, we will cover the following topics:

OpenWrt
Building the firmware
Fuzzing the kernel
Post-crash core dump training

The rest of the chapter is locked

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Authors (2)

Antonio Nappa

Antonio Nappa

Antonio Nappa is an Application Analysis Team Leader at Zimperium Inc. He has been in the cybersecurity game since 17 years old. He holds a PhD in Software and Systems from the Madrid Institute of Advanced Studies. He has been a visiting scholar at UC Berkeley. His contributions have been published and recognized in international peer-reviewed venues. Since the DEFCON 2008 Finals, he never goes to sleep with a segfault.

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Eduardo Blázquez

Eduardo Blázquez

Eduardo Blázquez is a PhD student of the University Carlos III of Madrid. He has been working in the cybersecurity area since 2017, with interests in Reverse Engineering and Malware Analysis. Currently, he is doing a PhD thesis about Android Security, but in his spare time he likes to study different topics like program analysis or operating system internals, and from time to time he likes to play different wargames about software exploitation.

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