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System Shells via Services
editSystem Shells via Services
editWindows services typically run as SYSTEM and can be used as a privilege escalation opportunity. Malware or penetration testers may run a shell as a service to gain SYSTEM permissions.
Rule type: eql
Rule indices:
- winlogbeat-*
- logs-endpoint.events.*
- logs-windows.*
Severity: medium
Risk score: 47
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:
- Elastic
- Host
- Windows
- Threat Detection
- Persistence
Version: 10
Rule authors:
- Elastic
Rule license: Elastic License v2
Rule query
editprocess where event.type in ("start", "process_started") and
process.parent.name : "services.exe" and
process.name : ("cmd.exe", "powershell.exe", "pwsh.exe", "powershell_ise.exe") and
/* Third party FP's */
not process.args : "NVDisplay.ContainerLocalSystem"
Framework: MITRE ATT&CKTM
-
Tactic:
- Name: Persistence
- ID: TA0003
- Reference URL: https://attack.mitre.org/tactics/TA0003/
-
Technique:
- Name: Create or Modify System Process
- ID: T1543
- Reference URL: https://attack.mitre.org/techniques/T1543/
-
Sub-technique:
- Name: Windows Service
- ID: T1543.003
- Reference URL: https://attack.mitre.org/techniques/T1543/003/