Detection rules › Sigma
VolumeShadowCopy Symlink Creation Via Mklink
Shadow Copies storage symbolic link creation using operating systems utilities
Known false positives
- Legitimate administrator working with shadow copies, access for backup purposes
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Credential Access |
Telemetry coverage
| Provider | Record / event type |
|---|---|
| Sysmon | Event ID 1: Process creation |
| Security-Auditing | Event ID 4688: A new process has been created. |
Rule body
title: VolumeShadowCopy Symlink Creation Via Mklink
id: 40b19fa6-d835-400c-b301-41f3a2baacaf
status: stable
description: Shadow Copies storage symbolic link creation using operating systems utilities
references:
- https://www.slideshare.net/heirhabarov/hunting-for-credentials-dumping-in-windows-environment
author: Teymur Kheirkhabarov, oscd.community
date: 2019-10-22
modified: 2023-03-06
tags:
- attack.credential-access
- attack.t1003.002
- attack.t1003.003
logsource:
category: process_creation
product: windows
detection:
selection:
CommandLine|contains|all:
- 'mklink'
- 'HarddiskVolumeShadowCopy'
condition: selection
falsepositives:
- Legitimate administrator working with shadow copies, access for backup purposes
level: high
Stages and Predicates
Stage 0: condition
selectionStage 1: selection
selection:
CommandLine|contains|all:
- 'mklink'
- 'HarddiskVolumeShadowCopy'
Indicators
These rows show field, operator, and value matches.
| Field | Kind | Values | Search |
|---|---|---|---|
CommandLine | match |
| field:"CommandLine" kind:match |