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Fun with Binary Polynomials: Obfuscation and Reverse Engineering

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Talk overview:

Binary polynomials are more than just an abstract mathematical tool. They have real, practical uses in software security. From making code harder to analyze to uncovering hidden patterns in binaries, these structures offer powerful techniques that can be applied to obfuscation, reverse engineering, and program analysis.

This talk builds on the author’s previous academic research but shifts the focus from theory to hands-on, actionable insights. We’ll explore:
– What binary polynomials are and why they matter in security.
– How they can be used to transform and analyze code.
– Practical examples of obfuscation techniques and their implications.
– Hands-on demonstrations showing these methods in action.

Rather than focusing on pure theory, we’ll keep things practical and applicable, with real-world examples that security researchers and developers can experiment with. Attendees will walk away with a deeper understanding of how mathematical techniques can be leveraged for software security, along with code samples and insights they can use in their own work.

Hacker, security researcher and mathematician with a strong bias towards software security and reverse engineering. Specialized in software protection research and development (obfuscation, cryptography, mixed boolean-arithmetic algebra, inverse mappings, etc.) from a dual attack-and-defense perspective, both in academia and industry. Experienced malware analyst in the antivirus sector and security engineer in the gaming industry. Founder of Fura Labs, a boutique security firm and consultancy focused on software protection research and education. Speaker and trainer at several international security conferences.
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Arnau Gàmez i Montolio
Hacker, security researcher and mathematician with a strong bias towards software security and reverse engineering.
Hacker, security researcher and mathematician with a strong bias towards software security and reverse engineering. Specialized in software protection research and development (obfuscation, cryptography, mixed boolean-arithmetic algebra, inverse mappings, etc.) from a dual attack-and-defense perspective, both in academia and industry. Experienced malware analyst in the antivirus sector and security engineer in the gaming industry. Founder of Fura Labs, a boutique security firm and consultancy focused on software protection research and education. Speaker and trainer at several international security conferences.