Sigma rule: Delete Volume Shadow Copies Via WMI With PowerShell

Rule

Title

Delete Volume Shadow Copies Via WMI With PowerShell

Status

stable

Level

high

Author

frack113

Date

2021-06-03

Modified

2023-10-27

File

rules/windows/powershell/powershell_classic/posh_pc_delete_volume_shadow_copies.yml

Commit

ccbb0369507f796db0b0ae6854c8a2be471b9d84

Shadow Copies deletion using operating systems utilities via PowerShell

Log source

product

windows

category

ps_classic_start

Detection

selection:
    Data|contains|all:
        - 'Get-WmiObject'
        - 'Win32_ShadowCopy'
    Data|contains:
        - 'Delete()'
        - 'Remove-WmiObject'
condition: selection

False positives (as the rule lists them)

• Legitimate Administrator deletes Shadow Copies using operating systems utilities for legitimate reason

Tags

• attack.impact
• attack.t1490

MITRE ATT&CK ids this rule names

• T1490

References

• https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1490/T1490.md
• https://www.fortinet.com/blog/threat-research/stomping-shadow-copies-a-second-look-into-deletion-methods

Read on 2026-11-03T00:58:21.399Z under licence sigma-drl-1.1@d5f4c36a from https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/powershell/powershell_classic/posh_pc_delete_volume_shadow_copies.yml