Hidden Local User Creation

testhigh
Log-Quelle: windows · securityAutor Christian Burkard (Nextron Systems)Datum 2021-05-03
01

Beschreibung

Was dies ist, in Kürze.

Detects the creation of a local hidden user account which should not happen for event ID 4720.

02

Tags

attack.persistenceattack.t1136.001
03

Regelquelle (YAML)

title: Hidden Local User Creation
id: 7b449a5e-1db5-4dd0-a2dc-4e3a67282538
status: test
description: Detects the creation of a local hidden user account which should not happen for event ID 4720.
references:
    - https://twitter.com/SBousseaden/status/1387743867663958021
author: Christian Burkard (Nextron Systems)
date: 2021-05-03
modified: 2024-01-16
tags:
    - attack.persistence
    - attack.t1136.001
logsource:
    product: windows
    service: security
detection:
    selection:
        EventID: 4720
        TargetUserName|endswith: '$'
    filter_main_homegroup:
        TargetUserName: 'HomeGroupUser$'
    condition: selection and not 1 of filter_main_*
falsepositives:
    - Unknown
level: high
04

erkennt Techniken (1)

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

05

Referenzen

Externe Belege — Patches, Meldungen, Analysen.