The article explores techniques and tools for reverse-engineering modern web browsers, focusing on the intricacies of browser architecture, security mechanisms, and debugging processes. It highlights the importance of understanding browser internals for both security researchers and developers aiming to enhance their web applications. Practical examples and methodologies are provided to aid in the reverse-engineering process.

Radare2 (r2) is a powerful open-source reverse engineering tool that has evolved from a basic hexadecimal editor to a comprehensive command-line utility with various plugins and scripting capabilities. It supports numerous architectures and file formats, offering tools for debugging, disassembly, and binary analysis. Installation can be performed from the Git repository, and users can extend functionality through the r2pm package manager.