Live Memory Dump Using Powershell — Sigma Rule

Rule metadata and linked tags

Author: Max Altgelt (Nextron Systems). Source status: test; severity: high. Source dates: 2021-09-21 / 2022-12-25.

{
  "product": "windows",
  "category": "ps_script",
  "definition": "Requirements: Script Block Logging must be enabled"
}

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: 5fb929549f8dfe51853af1290a3d8bcd43aa482c17c19d0b4c00195aa9245204

Detection logic

Original source YAML. Source-tag agreement is not proof of complete semantic coverage. This rule has not been compiled for a SIEM backend or validated against live telemetry here.

title: Live Memory Dump Using Powershell
id: cd185561-4760-45d6-a63e-a51325112cae
status: test
description: Detects usage of a PowerShell command to dump the live memory of a Windows machine
references:
    - https://learn.microsoft.com/en-us/powershell/module/storage/get-storagediagnosticinfo?view=windowsserver2022-ps
author: Max Altgelt (Nextron Systems)
date: 2021-09-21
modified: 2022-12-25
tags:
    - attack.credential-access
    - attack.t1003
logsource:
    product: windows
    category: ps_script
    definition: 'Requirements: Script Block Logging must be enabled'
detection:
    selection:
        ScriptBlockText|contains|all:
            - 'Get-StorageDiagnosticInfo'
            - '-IncludeLiveDump'
    condition: selection
falsepositives:
    - Diagnostics
level: high

Original YAML and metadata in JSON

False positives

• Diagnostics

Source references

• https://learn.microsoft.com/en-us/powershell/module/storage/get-storagediagnosticinfo?view=windowsserver2022-ps