IMPORTANT: No additional bug fixes or documentation updates
will be released for this version. For the latest information, see the
current release documentation.
Unusual Linux Network Service
editUnusual Linux Network Service
editIdentifies unusual listening ports on Linux instances that can indicate execution of unauthorized services, backdoors, or persistence mechanisms.
Rule type: machine_learning
Machine learning job: linux_anomalous_network_service
Machine learning anomaly threshold: 50
Severity: low
Risk score: 21
Runs every: 15 minutes
Searches indices from: now-45m (Date Math format, see also Additional look-back time
)
Maximum alerts per execution: 100
References:
Tags:
- Elastic
- Host
- Linux
- Threat Detection
- ML
Version: 3 (version history)
Added (Elastic Stack release): 7.7.0
Last modified (Elastic Stack release): 7.10.0
Rule authors: Elastic
Rule license: Elastic License
Potential false positives
editA newly installed program or one that rarely uses the network could trigger this alert.
Rule version history
edit- Version 3 (7.10.0 release)
-
- Formatting only
- Version 2 (7.9.0 release)
-
- Formatting only