Suspicious SyncAppvPublishingServer Execute Arbitrary PowerShell Code (via process_creation)

title: Suspicious SyncAppvPublishingServer Execute Arbitrary PowerShell Code (via process_creation)
id: 4eb50695-ab9b-5476-9be4-94de61168a42
status: stable
description: This rule detects arbitrary PowerShell code using SyncAppvPublishingServer.exe.
references:
    - https://attack.mitre.org/techniques/T1218/
    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1218/T1218.md
    - https://lolbas-project.github.io/lolbas/Binaries/Syncappvpublishingserver/
author: Huntrule Team
date: 2026-01-23
tags:
    - attack.stealth
    - attack.t1218
logsource:
    category: process_creation
    product: windows
detection:
    selection_img:
        - Image|endswith: '\SyncAppvPublishingServer.exe'
        - OriginalFileName: 'syncappvpublishingserver.exe'
    selection_cli:
        CommandLine|contains: '"n; '
    condition: all of selection_*
falsepositives:
    - Unknown
level: medium