IMPORTANT: No additional bug fixes or documentation updates will be released for this version. For the latest information, see the current release documentation.

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Agent Spoofing - Multiple Hosts Using Same Agent

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Agent Spoofing - Multiple Hosts Using Same Agent

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Detects 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: 5m

Searches indices from: now-9m (Date Math format, see also Additional look-back time)

Maximum alerts per execution: 100

References: None

Tags:

Use Case: Threat Detection
Tactic: Defense Evasion

Version: 102

Rule authors:

Elastic

Rule license: Elastic License v2

Rule query

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event.agent_id_status:* and not tags:forwarded

Framework: MITRE ATT&CK^TM

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/

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