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capa-rules

reference corpus · status live · domain SEC (Security and vulnerabilities) · lane A · refresh pinned · tags GLOBAL · MALWARE-ANALYSIS · CAPABILITY-DETECTION · REVERSE-ENGINEERING · RULES · MITRE-ATTACK

What an agent uses it for

an agent triaging a binary queries this for capa's rules mapping code features to malware capabilities and ATT&CK techniques.

Use it
curl -fsSLO https://raw.githubusercontent.com/xerj-org/xerj/corpus-hub/tools/xerj-code/hub/capa-rules.json
xerj corpus add --from ./capa-rules.json
xerj corpus index capa-rules then xerj code capa-rules "your question"

Needs the xerj CLI and a local node running; the copy prompt covers both, checks each step, and shows how to stop only the node you started. No shell: the MCP tool xerj_code_search with corpus: "capa-rules", once the corpus is indexed on the node.

Sources and pins

sourcepinlicencesizereview note
capa-rules 805f9eaccfb6Apache-2.0 904.3 KB / 1,069 files licence host-verified (ok-spdx): Apache-2.0

904.3 KB across 1,069 files. Added 2026-10-13.

Rights

Apache-2.0. Redistribution permitted with attribution per the licence review. The review block records a human opening each licence file at the pin. Detector output is a hint, never the verdict.

Retrieval spot-check (G7)

Not yet spot-checked. Queries are pre-registered in the registry before grading.