Suspicious Function Call From Undocumented COM Interface EditionUpgradeManager (via process_access)

This rule detects function calls from the EditionUpgradeManager COM interface. Which is an interface that is not used by standard executables.

SigmamediumWindowsv1
sigma
title: Suspicious Function Call From Undocumented COM Interface EditionUpgradeManager (via process_access)
id: 94f26976-d090-5b90-ba59-4f4c2e7801b6
status: stable
description: This rule detects function calls from the EditionUpgradeManager COM interface. Which is an interface that is not used by standard executables.
references:
    - https://attack.mitre.org/techniques/T1548/002/
    - https://www.snip2code.com/Snippet/4397378/UAC-bypass-using-EditionUpgradeManager-C/
    - https://gist.github.com/hfiref0x/de9c83966623236f5ebf8d9ae2407611
author: Huntrule Team
date: 2026-02-11
tags:
    - attack.privilege-escalation
    - attack.t1548.002
logsource:
    category: process_access
    product: windows
detection:
    selection:
        CallTrace|contains: 'editionupgrademanagerobj.dll'
    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.