SigmaHQ/rules/windows/process_creation/win_susp_sysvol_access.yml

title: Suspicious SYSVOL Domain Group Policy Access
id: 05f3c945-dcc8-4393-9f3d-af65077a8f86
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
modified: 2018/12/11
tags:
    - attack.credential_access
    - attack.t1003
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        CommandLine: '*\SYSVOL\\*\policies\\*'
    condition: selection
falsepositives:
    - administrative activity
level: medium
Converted Sysmon/1 and Security/4688 to generic process creation rules 2019-01-16 22:36:31 +00:00			`title: Suspicious SYSVOL Domain Group Policy Access`
Added UUIDs to rules 2019-11-12 22:12:27 +00:00			`id: 05f3c945-dcc8-4393-9f3d-af65077a8f86`
Converted Sysmon/1 and Security/4688 to generic process creation rules 2019-01-16 22:36:31 +00:00			`status: experimental`
			`description: Detects Access to Domain Group Policies stored in SYSVOL`
			`references:`
Increased indentation to 4 * Converted (to generic sigma) rules * Converter outputs by default with indentation 4 2019-03-01 23:14:20 +00:00			`- https://adsecurity.org/?p=2288`
			`- https://www.hybrid-analysis.com/sample/f2943f5e45befa52fb12748ca7171d30096e1d4fc3c365561497c618341299d5?environmentId=100`
Converted Sysmon/1 and Security/4688 to generic process creation rules 2019-01-16 22:36:31 +00:00			`author: Markus Neis`
			`date: 2018/04/09`
			`modified: 2018/12/11`
			`tags:`
Increased indentation to 4 * Converted (to generic sigma) rules * Converter outputs by default with indentation 4 2019-03-01 23:14:20 +00:00			`- attack.credential_access`
			`- attack.t1003`
Converted Sysmon/1 and Security/4688 to generic process creation rules 2019-01-16 22:36:31 +00:00			`logsource:`
Increased indentation to 4 * Converted (to generic sigma) rules * Converter outputs by default with indentation 4 2019-03-01 23:14:20 +00:00			`category: process_creation`
			`product: windows`
Converted Sysmon/1 and Security/4688 to generic process creation rules 2019-01-16 22:36:31 +00:00			`detection:`
Increased indentation to 4 * Converted (to generic sigma) rules * Converter outputs by default with indentation 4 2019-03-01 23:14:20 +00:00			`selection:`
			`CommandLine: '\SYSVOL\\\policies\\*'`
			`condition: selection`
Converted Sysmon/1 and Security/4688 to generic process creation rules 2019-01-16 22:36:31 +00:00			`falsepositives:`
Increased indentation to 4 * Converted (to generic sigma) rules * Converter outputs by default with indentation 4 2019-03-01 23:14:20 +00:00			`- administrative activity`
Converted Sysmon/1 and Security/4688 to generic process creation rules 2019-01-16 22:36:31 +00:00			`level: medium`