34 lines
920 B
YAML
34 lines
920 B
YAML
|
|
title: Conti Volume Shadow Listing
|
|
ruletype: Sigma
|
|
author: Max Altgelt, Tobias Michalski
|
|
date: 2021/08/09
|
|
description: Detects a command used by conti to access volume shadow backups
|
|
detection:
|
|
SELECTION_1:
|
|
EventID: 1
|
|
SELECTION_2:
|
|
CommandLine: '*\\\\\?\\GLOBALROOT\\Device\\HarddiskVolumeShadowCopy*'
|
|
SELECTION_3:
|
|
CommandLine:
|
|
- '*\\NTDS.dit*'
|
|
- '*\\SYSTEM*'
|
|
- '*\\SECURITY*'
|
|
- '*C:\\tmp\\log*'
|
|
condition: (SELECTION_1 and SELECTION_2 and SELECTION_3)
|
|
falsepositives:
|
|
- Some rare backup scenarios
|
|
id: f57f8d16-1f39-4dcb-a604-6c73d9b54b3d
|
|
level: medium
|
|
logsource:
|
|
category: process_creation
|
|
product: windows
|
|
modified: 2021/12/02
|
|
references:
|
|
- https://twitter.com/vxunderground/status/1423336151860002816?s=20
|
|
- https://www.virustotal.com/gui/file/03e9b8c2e86d6db450e5eceec057d7e369ee2389b9daecaf06331a95410aa5f8/detection
|
|
status: experimental
|
|
tags:
|
|
- attack.impact
|
|
- attack.t1490
|