System Owner/User Discovery Linux
edit
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System Owner/User Discovery Linux
editIdentifies the use of built-in tools which adversaries may use to enumerate the system owner/user of a compromised system.
Rule type: new_terms
Rule indices:
- logs-endpoint.events.*
- endgame-*
- logs-sentinel_one_cloud_funnel.*
Severity: low
Risk score: 21
Runs every: 60m
Searches indices from: now-119m (Date Math format, see also Additional look-back time)
Maximum alerts per execution: 100
References: None
Tags:
- Domain: Endpoint
- OS: Linux
- Use Case: Threat Detection
- Tactic: Discovery
- Rule Type: BBR
- Data Source: Elastic Defend
- Data Source: Elastic Endgame
- Data Source: SentinelOne
Version: 7
Rule authors:
- Elastic
Rule license: Elastic License v2
Rule query
editevent.category:process and host.os.type:linux and event.type:start and event.action:(exec or exec_event or start) and
process.name:("whoami" or "w" or "who" or "users" or "id" or "groups")
Framework: MITRE ATT&CKTM
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Tactic:
- Name: Discovery
- ID: TA0007
- Reference URL: https://attack.mitre.org/tactics/TA0007/
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Technique:
- Name: System Owner/User Discovery
- ID: T1033
- Reference URL: https://attack.mitre.org/techniques/T1033/
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Technique:
- Name: Permission Groups Discovery
- ID: T1069
- Reference URL: https://attack.mitre.org/techniques/T1069/