Explore advanced code obfuscation techniques using Mixed Boolean-Arithmetic (MBA) expressions in this comprehensive 2-hour conference talk from the Hack In The Box Security Conference. Delve into the foundational blocks of state-of-the-art code obfuscation, focusing on expressions that combine integer arithmetic and bitwise operators. Learn how to leverage MBA expressions to increase data-flow complexity, conceal sensitive data, and create robust obfuscation primitives. Discover practical applications ranging from opaque predicates to VM-handlers in virtualization-based obfuscation schemes. Gain insights from Arnau Gàmez Montolio, a Catalan hacker, reverse engineer, and mathematician with extensive experience in code (de)obfuscation research and malware reverse engineering.