(SIGMA) SIGMA_posh_pc_delete_volume_shadow_copies
Created the . Updated 2 years, 3 months ago.
title: Delete Volume Shadow Copies Via WMI With PowerShell
id: 87df9ee1-5416-453a-8a08-e8d4a51e9ce1
description: Shadow Copies deletion using operating systems utilities via PowerShell
references:
- https://github.com/redcanaryco/atomic-red-team/blob/master/atomics/T1490/T1490.md
- https://github.com/SigmaHQ/sigma/blob/master/rules/windows/process_creation/win_shadow_copies_deletion.yml
- https://www.fortinet.com/blog/threat-research/stomping-shadow-copies-a-second-look-into-deletion-methods
tags:
- attack.impact
- attack.t1490
status: experimental
author: frack113
date: 2021/06/03
modified: 2021/10/16
logsource:
product: windows
category: ps_classic_start
definition: fields have to be extract from event
detection:
selection_obj:
HostApplication|contains|all:
- 'Get-WmiObject'
- ' Win32_Shadowcopy'
selection_del:
HostApplication|contains:
- 'Delete()'
- 'Remove-WmiObject'
condition: selection_obj and selection_del
fields:
- HostApplication
falsepositives:
- Legitimate Administrator deletes Shadow Copies using operating systems utilities for legitimate reason
level: critical
Associated Techniques
Technique Name | Technique ID's | Snippet(s) | OS |
---|---|---|---|
Volume Shadow Copy Service (VSC,VSS) Deletion | U0305 T1070.004 |