A newer version is available. For the latest information, see the
current release documentation.
Net command via SYSTEM account
editNet command via SYSTEM account
editIdentifies the SYSTEM account using an account discovery utility. This could be a sign of discovery activity after an adversary has achieved privilege escalation.
Rule type: eql
Rule indices:
- winlogbeat-*
- logs-endpoint.events.*
- logs-windows.*
Severity: low
Risk score: 21
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
- Host
- Windows
- Threat Detection
- Discovery
Version: 8 (version history)
Added (Elastic Stack release): 7.7.0
Last modified (Elastic Stack release): 7.16.0
Rule authors: Elastic
Rule license: Elastic License v2
Rule query
editprocess where event.type in ("start", "process_started") and
user.id in ("S-1-5-18", "S-1-5-19", "S-1-5-20") and process.name :
"whoami.exe" or (process.name : "net1.exe" and not
process.parent.name : "net.exe")
Threat mapping
editFramework: MITRE ATT&CKTM
-
Tactic:
- Name: Discovery
- ID: TA0007
- Reference URL: https://attack.mitre.org/tactics/TA0007/
-
Technique:
- Name: System Owner/User Discovery
- ID: T1033
- Reference URL: https://attack.mitre.org/techniques/T1033/
Rule version history
edit- Version 8 (7.16.0 release)
-
- Formatting only
- Version 7 (7.13.0 release)
-
-
Updated query, changed from:
event.category:process and event.type:(start or process_started) and (process.name:(whoami.exe or net.exe) or process.name:net1.exe and not process.parent.name:net.exe) and user.name:SYSTEM
-
- Version 6 (7.12.0 release)
-
- Formatting only
- Version 5 (7.11.2 release)
-
- Formatting only
- Version 4 (7.10.0 release)
-
-
Updated query, changed from:
event.category:process and event.type:(start or process_started) and (process.name:net.exe or process.name:net1.exe and not process.parent.name:net.exe) and user.name:SYSTEM
-
- Version 3 (7.9.1 release)
-
- Formatting only
- Version 2 (7.9.0 release)
-
-
Updated query, changed from:
(process.name:net.exe or process.name:net1.exe and not process.parent.name:net.exe) and user.name:SYSTEM and event.action:"Process Create (rule: ProcessCreate)"
-