Severity field in IDF #2575
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Severity field in IDF #2575
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Severity is expected in IntelMQ for a long time and partially, it's already used by e.g. ShadowServer reports. This implementation is based on their understanding of the field, but with explicit mentioning that operators could adjust it based on their knowledge. This is not intended to be an ultimate severity classification, but a help for first triage of recived events. Close certtools#2365
sebix
requested changes
Mar 3, 2025
| @@ -93,4 +94,4 @@ CREATE INDEX "idx_events_source.asn" ON events USING btree ("source.asn"); | |||
| CREATE INDEX "idx_events_source.ip" ON events USING btree ("source.ip"); | |||
| CREATE INDEX "idx_events_source.fqdn" ON events USING btree ("source.fqdn"); | |||
| CREATE INDEX "idx_events_time.observation" ON events USING btree ("time.observation"); | |||
| CREATE INDEX "idx_events_time.source" ON events USING btree ("time.source"); | |||
| CREATE INDEX "idx_events_time.source" ON events USING btree ("time.source"); | |||
|
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Severity is expected in IntelMQ for a long time and partially, it's already used by e.g. ShadowServer reports. This implementation is based on their understanding of the field, but with explicit mentioning that operators could adjust it based on their knowledge.
This is not intended to be an ultimate severity classification, but a help for first triage of received events.
As the topic has already been discussed in #2365, I do not open a separated IEP for that. The discussion didn't have a clear outcome, but since then the severity information from Shadowserver has already been implemented and is in use by at least some IntelMQ instances. Implementing it in the default IDF helps wider adoption and prioritisation.
Compatibility: as no bot uses the field by default at the moment, there is no incompatibility risk if the local operator uses modified IDF schema or stores all data in e.g. SQL database. To prevent issues, until the next major release the official bots using the field should fall back to
extra.<field name>if the field does not exist in the local IDF.Close #2365