Agent Spoofing - Multiple Hosts Using Same Agent
editAgent Spoofing - Multiple Hosts Using Same Agent
editDetects when multiple hosts are using the same agent ID. This could occur in the event of an agent being taken over and used to inject illegitimate documents into an instance as an attempt to spoof events in order to masquerade actual activity to evade detection.
Rule type: threshold
Rule indices:
- logs-*
- metrics-*
- traces-*
Severity: high
Risk score: 73
Runs every: 5 minutes
Searches indices from: now-9m (Date Math format, see also Additional look-back time
)
Maximum alerts per execution: 100
Tags:
- Elastic
- Threat Detection
- Defense Evasion
Version: 1
Added (Elastic Stack release): 7.14.0
Rule authors: Elastic
Rule license: Elastic License v2
Potential false positives
editThis is meant to run only on datasources using agents v7.14+ since versions prior to that will be missing the necessary field, resulting in false positives.
Rule query
editevent.agent_id_status:*
Threat mapping
editFramework: MITRE ATT&CKTM
-
Tactic:
- Name: Defense Evasion
- ID: TA0005
- Reference URL: https://attack.mitre.org/tactics/TA0005/
-
Technique:
- Name: Masquerading
- ID: T1036
- Reference URL: https://attack.mitre.org/techniques/T1036/