DCERPC SMB Spoolss Named Pipe

testmedium
Log-Quelle: windows · securityAutor OTR (Open Threat Research)Datum 2018-11-28
01

Beschreibung

Was dies ist, in Kürze.

Detects the use of the spoolss named pipe over SMB. This can be used to trigger the authentication via NTLM of any machine that has the spoolservice enabled.

02

Tags

attack.lateral-movementattack.t1021.002
03

Regelquelle (YAML)

title: DCERPC SMB Spoolss Named Pipe
id: 214e8f95-100a-4e04-bb31-ef6cba8ce07e
status: test
description: Detects the use of the spoolss named pipe over SMB. This can be used to trigger the authentication via NTLM of any machine that has the spoolservice enabled.
references:
    - https://posts.specterops.io/hunting-in-active-directory-unconstrained-delegation-forests-trusts-71f2b33688e1
    - https://dirkjanm.io/a-different-way-of-abusing-zerologon/
    - https://twitter.com/_dirkjan/status/1309214379003588608
author: OTR (Open Threat Research)
date: 2018-11-28
modified: 2022-08-11
tags:
    - attack.lateral-movement
    - attack.t1021.002
logsource:
    product: windows
    service: security
detection:
    selection:
        EventID: 5145
        ShareName: '\\\\\*\\IPC$' # looking for the string \\*\IPC$
        RelativeTargetName: spoolss
    condition: selection
falsepositives:
    - 'Domain Controllers acting as printer servers too? :)'
level: medium
04

erkennt Techniken (1)

ATT&CK-Techniken, die dies ermöglicht oder abbildet.

05

Referenzen

Externe Belege — Patches, Meldungen, Analysen.