Suspicious Enable Local Manifest Deployment With Winget (via registry_set)

title: Suspicious Enable Local Manifest Deployment With Winget (via registry_set)
id: 99cf36e2-11e6-5fee-8e92-d9ad05322281
status: stable
description: This rule detects changes to the AppInstaller (winget) policy. Specifically the activation of the local manifest installation, which enables a user to install new packages via custom manifests.
references:
    - https://github.com/nasbench/Misc-Research/tree/b9596e8109dcdb16ec353f316678927e507a5b8d/LOLBINs/Winget
author: Huntrule Team
date: 2026-03-31
tags:
    - attack.persistence
    - attack.stealth
    - attack.defense-evasion
    - attack.t1112
logsource:
    product: windows
    category: registry_set
detection:
    selection:
        TargetObject|endswith: '\AppInstaller\EnableLocalManifestFiles'
        Details: 'DWORD (0x00000001)'
    condition: selection
falsepositives:
    - Unknown
level: medium