29 lines
927 B
YAML
29 lines
927 B
YAML
|
|
title: VSSAudit Security Event Source Registration
|
|
author: Roberto Rodriguez @Cyb3rWard0g, Open Threat Research (OTR)
|
|
date: 2020/10/20
|
|
description: Detects the registration of the security event source VSSAudit. It would
|
|
usually trigger when volume shadow copy operations happen.
|
|
detection:
|
|
SELECTION_1:
|
|
AuditSourceName: VSSAudit
|
|
SELECTION_2:
|
|
EventID: 4904
|
|
SELECTION_3:
|
|
EventID: 4905
|
|
condition: (SELECTION_1 and (SELECTION_2 or SELECTION_3))
|
|
falsepositives:
|
|
- Legitimate use of VSSVC. Maybe backup operations. It would usually be done by C:\Windows\System32\VSSVC.exe.
|
|
id: e9faba72-4974-4ab2-a4c5-46e25ad59e9b
|
|
level: medium
|
|
logsource:
|
|
product: windows
|
|
service: security
|
|
references:
|
|
- https://github.com/redcanaryco/atomic-red-team/blob/master/atomics/T1003.002/T1003.002.md#atomic-test-3---esentutlexe-sam-copy
|
|
status: experimental
|
|
tags:
|
|
- attack.credential_access
|
|
- attack.t1003.002
|
|
ruletype: SIGMA
|