Red Team Tool Development: Building Custom Tools to Evade Modern Detection - Dennis Chow

A practical, detection-aware guide to designing and building custom red team tools that survive in modern enterprise environments. Red Team Toolcraft teaches offensive and defensive security professionals how to reason about tooling behavior through the lens of SIEMs, EDRs, and logging pipelines, and how to use that insight to build bespoke tools engineered for evasion rather than convenience. \nModern enterprises are saturated with telemetry. Endpoint agents, centralized logging, behavioral analytics, and automated detections have made off-the-shelf red team tools increasingly brittle and predictable. \n \nMost red team tools fail not because they're buggy, but because they behave in ways detection systems are designed to notice. Red Team Toolcraft teaches readers how to think, design, and build differently. \n \nInstead of showing how to run popular frameworks, this book focuses on how offensive tools actually behave in monitored environments and why that behavior so often gives them away. The authors walk readers through the foundations of detection-aware tool design, explaining how payload structure, execution flow, and environmental interaction influence visibility across modern detection stacks. \n \nEach chapter centers on modular, adaptable examples that show not just what works, but why it works. Readers learn how small design decisions surface in logs, alerts, and behavioral analytics, and how thoughtful toolcraft can reduce detection while still achieving realistic adversary objectives. \n \nThe result is a field-ready reference for red teamers who need to build their own tools when public ones fail, and for detection engineers and threat hunters who want a clearer view of how advanced operators design tooling to evade automated defenses.\n