SigmaHQ/rules/windows/process_creation/win_uac_wsreset.yml

title: Bypass UAC via WSReset.exe
id: d797268e-28a9-49a7-b9a8-2f5039011c5c
description: Identifies use of WSReset.exe to bypass User Account Control. Adversaries use this technique to execute privileged processes.
status: experimental
author: E.M. Anhaus (originally from Atomic Blue Detections, Tony Lambert), oscd.community
date: 2019/10/24
modified: 2019/11/11
references:
    - https://eqllib.readthedocs.io/en/latest/analytics/532b5ed4-7930-11e9-8f5c-d46d6d62a49e.html
tags:
    - attack.privilege_escalation
    - attack.t1548.002
    - attack.t1088      # an old one
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        ParentImage|endswith: '\wsreset.exe'
    filter:
        Image|endswith: '\conhost.exe'
    condition: selection and not filter
falsepositives:
    - Unknown
level: high