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Security Datasets (Mordor)

MIT

Pre-recorded security event datasets from simulated adversary techniques, packaged as JSON for replay into a SIEM.

Summary

The Security Datasets project is an open-source initiatve that contributes malicious and benign datasets, from different platforms, to the infosec community to expedite data analysis and threat research.
from the project README
Formats
jsonevtx
License
MIT
Added
2026-09-10

Get it

From the project’s own instructions where it documents any; otherwise a plain clone.

  1. shell
    $ git clone --depth 1 https://github.com/OTRF/Security-Datasets

    Shallow clone: history isn’t needed for testing.

Contents

733 files 810.5 MB repository

  • .zip 210
  • .ipynb 141
  • .yaml 114
  • .log 101
  • .rc 44
  • .md 39
  • .png 29
  • .gz 9

Use it with

Commands are curated, not yet run by us.

chainsaw — Run your Sigma rules over every event log in the dataset.

sample.evtx
$ chainsaw hunt ./Security-Datasets -s rules/ --mapping mappings/sigma-event-logs-all.yml

Hayabusa — Build a CSV timeline of detections across every .evtx file in the directory.

sample.evtx
$ hayabusa csv-timeline -d ./Security-Datasets -o timeline.csv

jq — Stream the records one per line to see their shape before loading them anywhere.

sample.json
$ jq -c . sample.json

DuckDB — Query the file in place with SQL — DuckDB detects CSV and JSON by extension.

sample.json
$ duckdb -c 'SELECT * FROM '\''sample.json'\'' LIMIT 10'
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