This documentation contains work-in-progress information for future Elastic Stack and Cloud releases. Use the version selector to view supported release docs. It also contains some Elastic Cloud serverless information. Check out our serverless docs for more details.

« Third-party Backup Files Deleted via Unexpected Process Microsoft Exchange Worker Spawning Suspicious Processes »

› ›

Volume Shadow Copy Deletion via PowerShell

edit

Volume Shadow Copy Deletion via PowerShell

edit

Identifies the use of the Win32_ShadowCopy class and related cmdlets to achieve shadow copy deletion. This commonly occurs in tandem with ransomware or other destructive attacks.

Rule type: eql

Rule indices:

winlogbeat-*
logs-endpoint.events.*
logs-windows.*

Severity: high

Risk score: 73

Runs every: 5m

Searches indices from: now-9m (Date Math format, see also Additional look-back time)

Maximum alerts per execution: 100

References:

Tags:

Elastic
Host
Windows
Threat Detection
Impact

Version: 2

Rule authors:

Elastic
Austin Songer

Rule license: Elastic License v2

Rule query

edit

process where event.type in ("start", "process_started") and
  process.name : ("powershell.exe", "pwsh.exe", "powershell_ise.exe") and
  process.args : ("*Get-WmiObject*", "*gwmi*", "*Get-CimInstance*", "*gcim*") and
  process.args : ("*Win32_ShadowCopy*") and
  process.args : ("*.Delete()*", "*Remove-WmiObject*", "*rwmi*", "*Remove-CimInstance*", "*rcim*")

Framework: MITRE ATT&CK^TM

Tactic:
- Name: Impact
- ID: TA0040
- Reference URL: https://attack.mitre.org/tactics/TA0040/
Technique:
- Name: Inhibit System Recovery
- ID: T1490
- Reference URL: https://attack.mitre.org/techniques/T1490/

« Third-party Backup Files Deleted via Unexpected Process Microsoft Exchange Worker Spawning Suspicious Processes »