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hayabusa/rules/sigma/process_creation/win_malware_conti_shadowcopy.yml
2021-11-23 15:04:03 +09:00

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YAML

title: Conti Volume Shadow Listing
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
references:
- https://twitter.com/vxunderground/status/1423336151860002816?s=20
- https://www.virustotal.com/gui/file/03e9b8c2e86d6db450e5eceec057d7e369ee2389b9daecaf06331a95410aa5f8/detection
status: experimental
tags:
- attack.impact
- attack.t1490