Suspicious Potentially Over Permissive Permissions Granted Via Dsacls.EXE (via process_creation)

This rule detects use of Dsacls to grant over permissive permissions

SigmamediumWindowsv1
sigma
title: Suspicious Potentially Over Permissive Permissions Granted Via Dsacls.EXE (via process_creation)
id: 37900de8-0650-5d7a-80fa-5aa2a5abbd58
status: stable
description: This rule detects use of Dsacls to grant over permissive permissions
references:
    - https://attack.mitre.org/techniques/T1218/
    - https://ss64.com/nt/dsacls.html
    - https://learn.microsoft.com/en-us/previous-versions/windows/it-pro/windows-server-2012-r2-and-2012/cc771151(v=ws.11)
author: Huntrule Team
date: 2026-04-04
tags:
    - attack.stealth
    - attack.t1218
logsource:
    category: process_creation
    product: windows
detection:
    selection_img:
        - Image|endswith: '\dsacls.exe'
        - OriginalFileName: "DSACLS.EXE"
    selection_flag:
        CommandLine|contains: ' /G '
    selection_permissions:
        CommandLine|contains:
            - 'GR'
            - 'GE'
            - 'GW'
            - 'GA'
            - 'WP'
            - 'WD'
    condition: all of selection_*
falsepositives:
    - Unknown
level: medium

Known false positives

  • Unknown

Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.