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Learn to bypass Endpoint Detection and Response (EDR) systems through a comprehensive conference talk that chronicles a cybersecurity researcher's journey from complete beginner to successful EDR evasion. Follow Jia Hu's methodical approach as she shares her evolution from having zero knowledge about EDR systems to developing effective bypass techniques through persistent experimentation and learning from failures. Discover the fundamental concepts of EDR technology and understand how these security systems detect and respond to threats. Explore common bypass methods that typically fail and understand why traditional approaches are often unsuccessful against modern EDR solutions. Master an innovative bypass technique involving obfuscated PowerShell reverse shells combined with download-and-execute-in-memory methods that proved successful in evading detection. Gain insights into the trial-and-error process of security research and learn how to systematically approach complex cybersecurity challenges. Understand the practical implications of EDR bypass techniques for both offensive security professionals and defenders looking to strengthen their security posture. This 29-minute presentation from BSides Edmonton 2025 provides valuable insights for penetration testers, red team operators, security researchers, and cybersecurity professionals interested in understanding advanced evasion techniques and the cat-and-mouse game between attackers and defensive technologies.
