Suspicious New Virtual Smart Card Created Through TpmVscMgr.EXE (via process_creation)

title: Suspicious New Virtual Smart Card Created Through TpmVscMgr.EXE (via process_creation)
id: f194dc79-407b-5ce0-b08d-f7f88f79639c
status: stable
description: This rule detects execution of "Tpmvscmgr.exe" to create a new virtual smart card.
references:
    - https://learn.microsoft.com/en-us/windows/security/identity-protection/virtual-smart-cards/virtual-smart-card-tpmvscmgr
author: Huntrule Team
date: 2026-03-22
tags:
    - attack.execution
    - attack.credential-access
    - attack.defense-evasion
    - attack.persistence
    - attack.t1556
logsource:
    category: process_creation
    product: windows
detection:
    selection_img:
        Image|endswith: '\tpmvscmgr.exe'
        OriginalFileName: 'TpmVscMgr.exe'
    selection_cli:
        CommandLine|contains: 'create'
    condition: all of selection_*
falsepositives:
    - Unknown
level: medium