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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PowerShell Script with Remote Execution Capabilities via WinRM

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PowerShell Script with Remote Execution Capabilities via WinRM

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Identifies the use of Cmdlets and methods related to remote execution activities using WinRM. Attackers can abuse WinRM to perform lateral movement using built-in tools.

Rule type: query

Rule indices:

winlogbeat-*
logs-windows.*

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:

Tags:

Domain: Endpoint
OS: Windows
Use Case: Threat Detection
Tactic: Lateral Movement
Tactic: Execution
Data Source: PowerShell Logs
Rule Type: BBR

Version: 4

Rule authors:

Elastic

Rule license: Elastic License v2

Rule query

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event.category:process and host.os.type:windows and
  powershell.file.script_block_text : (
    ("Invoke-WmiMethod" or "Invoke-Command" or "Enter-PSSession") and "ComputerName"
  ) and
  not user.id : "S-1-5-18" and
  not file.directory : (
    "C:\\Program Files\\LogicMonitor\\Agent\\tmp" or
    ?\:\\\\Program?Files\\\\Microsoft\\\\Exchange?Server\\\\*\\\\bin or
    ?\:\\\\Logicmonitor\\\\tmp* or
    ?\:\\\\Program?Files\\\\WindowsPowerShell\\\\Modules\\\\dbatools\\\\* or
    ?\:\\\\ExchangeServer\\\\bin*
  )

Framework: MITRE ATT&CK^TM

Tactic:
- Name: Lateral Movement
- ID: TA0008
- Reference URL: https://attack.mitre.org/tactics/TA0008/
Technique:
- Name: Remote Services
- ID: T1021
- Reference URL: https://attack.mitre.org/techniques/T1021/
Sub-technique:
- Name: Windows Remote Management
- ID: T1021.006
- Reference URL: https://attack.mitre.org/techniques/T1021/006/
Tactic:
- Name: Execution
- ID: TA0002
- Reference URL: https://attack.mitre.org/tactics/TA0002/
Technique:
- Name: Command and Scripting Interpreter
- ID: T1059
- Reference URL: https://attack.mitre.org/techniques/T1059/
Sub-technique:
- Name: PowerShell
- ID: T1059.001
- Reference URL: https://attack.mitre.org/techniques/T1059/001/

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