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This conference talk from Recon 2024 explores Elias Bachaalany's journey of reverse engineering over 1000 custom GPTs following OpenAI's November 2023 release of the feature. Discover the fascinating findings from this extensive research, including attempts to protect GPT instructions, taunting anti-reverse engineering messages, creative LLM jailbreak prevention techniques, hidden pirated content, exposed API keys, and more. Learn about 35+ GPT anti-reverse engineering techniques identified during this ethical exploration. The speaker, Elias Bachaalany, is a programmer and passionate reverse engineer specializing in Windows OS and x86 architecture, who runs the AllThingsIDA YouTube channel and created several technical GPTs including ask_ida IDAPython and ask_ida C++.
