Tutorials and Learning Resources

External tutorials, guides, and learning materials for AFL++

Getting Started

If you are a total newbie, try this guide:

• Fuzzing Module - A comprehensive introduction to fuzzing for beginners

Written Tutorials

Here are some excellent write-ups to show how to effectively use AFL++:

• AFL++ libxml2 Tutorial - Official AFL++ tutorial using libxml2
• Fuzzing a Game Boy Emulator - Practical fuzzing of a complex application
• The Art of Fuzzing - Comprehensive guide to fuzzing techniques

GitHub Security Lab Series

• Fuzzing Challenges and Solutions - Part 1
• Fuzzing Software - Part 2
• Fuzzing Sockets: FTP
• Fuzzing Sockets: FreeRDP
• Fuzzing Apache - Part 1

Mode-Specific Tutorials

• Fuzzing with QEMU Mode - Airbus SecLab’s guide to binary-only fuzzing
• Android Fuzzing with Frida Mode - Quarkslab’s guide to fuzzing Android apps
• Fuzzing Teeworlds Map Parser - Real-world fuzzing example

Exercises and Practice

If you prefer hands-on learning through exercises:

• Fuzzing101 - Highly recommended step-by-step fuzzing exercises

Workflow Guides

• AppSec Guide: AFL++ Workflow - Complete workflow overview for C/C++ fuzzing

Structured Data Fuzzing

If you are interested in fuzzing structured data (where you define what the structure is):

• libprotobuf for AFL++
• libprotobuf raw implementation
• libprotobuf for old AFL++ API
• Superion for AFL++ - Grammar-based fuzzing

Video Tutorials

Installation and Basic Usage

• Install AFL++ Ubuntu
• Installing AFL++ and Fuzzing a Simple C Program

Binary-Only Fuzzing

• Fuzzing a Binary with No Source Code in Persistent Mode
• Start Binary-Only Fuzzing using AFL++ QEMU Mode

Conference Talks

• HOPE 2020: Hunting Bugs in Your Sleep - How to Fuzz (Almost) Anything
• How Fuzzing with AFL Works
• WOOT ‘20: AFL++ - Combining Incremental Steps of Fuzzing Research

In-Depth Technical Resources

For a very in-depth explanation on how AFL++ works internally:

• AFL Under the Hood - Deep dive into AFL++ internals

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If you find other good tutorials, please send them to us or submit a PR!