frack113
37 lines
1.3 KiB
YAML
37 lines
1.3 KiB
YAML
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: 2021/08/03
|
|
logsource:
|
|
product: windows
|
|
service: powershell-classic
|
|
definition: fields have to be extract from event
|
|
detection:
|
|
selection_obj:
|
|
CommandLine|contains|all:
|
|
- 'Get-WmiObject'
|
|
- ' Win32_Shadowcopy'
|
|
selection_del:
|
|
CommandLine|contains:
|
|
- 'Delete()'
|
|
- 'Remove-WmiObject'
|
|
selection_eventid:
|
|
EventID: 400
|
|
condition: selection_obj and selection_del and selection_eventid
|
|
fields:
|
|
- CommandLine
|
|
- ParentCommandLine
|
|
falsepositives:
|
|
- Legitimate Administrator deletes Shadow Copies using operating systems utilities for legitimate reason
|
|
level: critical
|