Unusual Linux Process Calling the Metadata Service
editUnusual Linux Process Calling the Metadata Service
editLooks for anomalous access to the metadata service by an unusual process. The metadata service may be targeted in order to harvest credentials or user data scripts containing secrets.
Rule type: machine_learning
Machine learning job: v3_linux_rare_metadata_process
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
Tags:
- Elastic
- Host
- Linux
- Threat Detection
- ML
- Credential Access
Version: 5 (version history)
Added (Elastic Stack release): 7.10.0
Last modified (Elastic Stack release): 8.4.0
Rule authors: Elastic
Rule license: Elastic License v2
Potential false positives
editA newly installed program or one that runs very rarely as part of a monthly or quarterly workflow could trigger this detection rule. ==== Threat mapping
Framework: MITRE ATT&CKTM
-
Tactic:
- Name: Credential Access
- ID: TA0006
- Reference URL: https://attack.mitre.org/tactics/TA0006/
-
Technique:
- Name: Unsecured Credentials
- ID: T1552
- Reference URL: https://attack.mitre.org/techniques/T1552/
Rule version history
edit- Version 5 (8.4.0 release)
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- Formatting only
- Version 4 (8.3.0 release)
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- Formatting only
- Version 3 (7.14.0 release)
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- Formatting only
- Version 2 (7.12.0 release)
-
- Formatting only