zeek_ja3_hunt
Compares JA3 fingerprints in SSL logs against a built-in malware database to identify known threats like CobaltStrike or Emotet.
Instructions
Hunt for known malicious JA3 fingerprints across SSL logs. Compares all observed JA3 hashes against a built-in database of malware families (CobaltStrike, Emotet, TrickBot, etc.) and returns any matches.
Input Schema
| Name | Required | Description | Default |
|---|---|---|---|
| timeTo | No | End time (ISO 8601) | |
| timeFrom | No | Start time (ISO 8601) | |
| customHashes | No | Additional JA3 hashes to hunt for beyond the built-in database |