Possible UAC Bypass Through Sdclt.EXE (via process_creation)

This rule detects a General detection for sdclt being spawned as an elevated process. This could be an indicator of sdclt being used for bypass UAC techniques.

SigmamediumWindowsv1
sigma
title: Possible UAC Bypass Through Sdclt.EXE (via process_creation)
id: 61a26305-f5a9-53d8-9ee8-f5be1ac312ce
status: stable
description: This rule detects a General detection for sdclt being spawned as an elevated process. This could be an indicator of sdclt being used for bypass UAC techniques.
references:
    - https://attack.mitre.org/techniques/T1548/002/
    - https://github.com/OTRF/detection-hackathon-apt29/issues/6
    - https://github.com/OTRF/ThreatHunter-Playbook/blob/2d4257f630f4c9770f78d0c1df059f891ffc3fec/docs/evals/apt29/detections/3.B.2_C36B49B5-DF58-4A34-9FE9-56189B9DEFEA.md
author: Huntrule Team
date: 2026-07-25
tags:
    - attack.privilege-escalation
    - attack.t1548.002
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        Image|endswith: 'sdclt.exe'
        IntegrityLevel:
            - 'High'
            - 'S-1-16-12288'
    condition: 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.