I built NiceTryGPT, an open-source project for CTF authors who want to make cheap LLM shortcuts less effective without making challenges harder or more annoying for humans.
The idea is simple:
«Increase uncertainty, not complexity.»
NiceTryGPT keeps the same vulnerability and learning objective, but removes obvious patterns that can turn a challenge into a one-shot LLM answer.
Current examples include IDOR, path traversal and SQL injection.
I'm not trying to make CTFs “AI-proof” — just a little less about pattern matching and a little more about actual hacking. 😄
GitHub:
https://github.com/aleff-github/NiceTryGPT Project page:
https://aleff-github.github.io/NiceTryGPT/ Feedback from CTF players and authors is very welcome.
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