Individual skill

ai-model-extraction

Extract or steal an ML/LLM model's parameters, training data, or system prompt via query access — model stealing, membership inference, training-data extraction. Load when testing an ML API/endpoint, "model extraction/inversion", data-leakage or IP-theft concerns, exposed inference endpoints. Signals: a predict/inference API, embeddings endpoint, fine-tuned model.

skills/ai-ml/ai-model-extraction/SKILL.md

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# Model extraction & data inference

## When it applies
You have query access to an ML/LLM endpoint and want to show it leaks the model itself, its
training data, or confidential context — IP theft or privacy impact, not just a bad answer.

## Why it works
Query access is more powerful than it looks. Outputs (labels, probabilities, embeddings,
generations) carry information about the model and its data. Enough targeted queries reconstruct a
functional copy, reveal whether a record was in training, or regurgitate memorized secrets.

## Method
1. **Model stealing**: query systematically (esp. if confidence scores/logits are returned) to
   train a surrogate that mimics the target — proves the model can be cloned via the API.