SigmaHQ/rules/windows/builtin/win_lm_namedpipe.yml

title: First Time Seen Remote Named Pipe
id: 52d8b0c6-53d6-439a-9e41-52ad442ad9ad
description: This detection excludes known namped pipes accessible remotely and notify on newly observed ones, may help to detect lateral movement and remote exec using named pipes
author: Samir Bousseaden
date: 2019/04/03
references:
    - https://twitter.com/menasec1/status/1104489274387451904
tags:
    - attack.lateral_movement
    - attack.t1077          # an old one
    - attack.t1021.002
logsource:
    product: windows
    service: security
    definition: 'The advanced audit policy setting "Object Access > Audit Detailed File Share" must be configured for Success/Failure'
detection:
    selection1:
        EventID: 5145
        ShareName: \\*\IPC$
    selection2:
        EventID: 5145
        ShareName: \\*\IPC$
        RelativeTargetName:
            - 'atsvc'
            - 'samr'
            - 'lsarpc'
            - 'winreg'
            - 'netlogon'
            - 'srvsvc'
            - 'protected_storage'
            - 'wkssvc'
            - 'browser'
            - 'netdfs'
            - 'svcctl'
            - 'spoolss'
            - 'ntsvcs'
            - 'LSM_API_service'
            - 'HydraLsPipe'
            - 'TermSrv_API_service'
            - 'MsFteWds'
    condition: selection1 and not selection2
falsepositives:
    - update the excluded named pipe to filter out any newly observed legit named pipe
level: high