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s1-secops-skills v1.2.9: UEBA enhancements (ten detections incl. PEER-GROUP)#77

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marcorottigni-s1 merged 3 commits into
Sentinel-One:mainfrom
pmoses-s1:feat/ueba-enhancements-v1.2.9
Jul 13, 2026
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s1-secops-skills v1.2.9: UEBA enhancements (ten detections incl. PEER-GROUP)#77
marcorottigni-s1 merged 3 commits into
Sentinel-One:mainfrom
pmoses-s1:feat/ueba-enhancements-v1.2.9

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Syncs the latest claude-skills UEBA work into the s1-secops-skills plugin.

What changed

  • UEBA solution: ten detections (four core + six advanced incl. PEER-GROUP), a security use-case selector (account takeover, brute force, insider, lateral, privilege, service/feed health, all, custom), and a Robust or Standard scoring knob. Updates docs/solutions/ueba-anomaly-detection.md, the sdl-solutions reference and SKILL catalog/description.
  • mgmt-console-api / sdl-api / powerquery: add learnings sections (STAR rule update-in-place + delete + isLegacy list; HEC ingest three XDR attributes + epoch-seconds backdating + isParsed; HEC-event timestamp field trap).
  • hyperautomation: add the UAM SecurityAlert posting section with product attribution, and the deactivate + delete removal lifecycle (SKILL.md and references/api-integration.md).
  • soc-investigator: synced to source.
  • plugin.json 1.2.8 to 1.2.9; dist bundles rebuilt.

No AI/LLM runtime is added; these are documentation and skill-content updates for native SentinelOne capabilities.

- UEBA solution: ten detections (four core + six advanced incl. PEER-GROUP),
  security use-case selector, Robust or Standard scoring; docs + sdl-solutions
  reference and SKILL catalog updated.
- mgmt-console-api / sdl-api / powerquery: add STAR rule lifecycle, HEC ingest,
  and HEC timestamp learnings.
- hyperautomation: add UAM SecurityAlert posting section with attribution,
  deactivate + delete removal lifecycle (SKILL + api-integration).
- soc-investigator: sync to source.
- plugin.json 1.2.8 -> 1.2.9; dist rebuilt.
…a layer

powerquery: functions unusable in scheduled-rule logic (dataset/datasource/now/querystart/
queryend/queryspan/topK/savelookup, CIDR/wildcard lookup, >10k-row lookup, time-shifted
timebucket, timebucket <30s), alternate is an HA watchdog. mgmt: STAR note. hyperautomation:
detection watchdog pattern (LRQ anti-join -> OCSF alert). ueba doc: correct SILENT/DORMANT
reason. plugin 1.2.9 -> 1.2.10; dist rebuilt.

@marcorottigni-s1 marcorottigni-s1 left a comment

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Approved for merge.

@marcorottigni-s1 marcorottigni-s1 merged commit 8fe9f0c into Sentinel-One:main Jul 13, 2026
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2 participants