SigmaHQ/rules/windows/builtin/win_susp_sysvol_access.yml

---
action: global
title: Suspicious SYSVOL Domain Group Policy Access
status: experimental
description: Detects Access to Domain Group Policies stored in SYSVOL
references:
    - https://adsecurity.org/?p=2288
    - https://www.hybrid-analysis.com/sample/f2943f5e45befa52fb12748ca7171d30096e1d4fc3c365561497c618341299d5?environmentId=100
author: Markus Neis
date: 2018/04/09
tags:
    - attack.credential_access
    - attack.t1003
detection:
    selection:
        CommandLine: '*\SYSVOL\*\policies\*'
    condition: selection
falsepositives: 
    - administrative activity 
level: medium
---
logsource:
    product: windows
    service: sysmon
detection:
    selection:
        EventID: 1
---
logsource:
    product: windows
    service: security
    description: 'Requirements: Audit Policy : Detailed Tracking > Audit Process creation, Group Policy : Administrative Templates\System\Audit Process Creation'
detection:
    selection:
        EventID: 4688