Unusual Svchost Parent Process (via process_creation)

title: Unusual Svchost Parent Process (via process_creation)
id: b69d09f4-4be7-585e-bbbd-492571f07b4a
status: stable
description: This rule detects an uncommon svchost parent process
references:
    - https://attack.mitre.org/techniques/T1036/005/
    - Internal Research
author: Huntrule Team
date: 2026-07-11
tags:
    - attack.stealth
    - attack.t1036.005
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        Image|endswith: '\svchost.exe'
    filter_main_generic:
        ParentImage|endswith:
            - '\Mrt.exe'
            - '\MsMpEng.exe'
            - '\ngen.exe'
            - '\rpcnet.exe'
            - '\services.exe'
            - '\TiWorker.exe'
    filter_main_parent_null:
        ParentImage:
    filter_main_parent_empty:
        ParentImage:
            - '-'
            - ''
    condition: selection and not 1 of filter_main_*
falsepositives:
    - Unknown
level: medium