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building-threat-hunt-hypothesis-framework

Build a systematic threat hunt hypothesis framework that transforms threat intelligence, attack patterns, and environmental data into testable hunting hypotheses.

internal/tools/skills/data/threat-hunting/building-threat-hunt-hypothesis-framework/SKILL.md

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# Building Threat Hunt Hypothesis Framework

## When to Use

- When proactively hunting for indicators of building threat hunt hypothesis framework in the environment
- After threat intelligence indicates active campaigns using these techniques
- During incident response to scope compromise related to these techniques
- When EDR or SIEM alerts trigger on related indicators
- During periodic security assessments and purple team exercises

## Common Misconfigurations & Verification

- **Unfalsifiable hypotheses.** "Find evil" or "detect APTs" can't be tested. Scope every hypothesis to a specific ATT&CK technique + a named data source + an observable (e.g., "T1059.001: Empire stagers appear as 4104 events containing `FromBase64String` + `WebClient`").
- **Assuming coverage that doesn't exist.** Hunting T1059.001 with Script Block Logging (4104) disabled, or relying on Sysmon EID 1/3 that was never deployed, yields false negatives that look like clean results. Verify ingestion first with `| tstats count where index=* by sourcetype` and check each source's last-seen timestamp.