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
suspicious-function-call-from-undocumented-com-interface-editionupgrademanager-via-process-access
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.