Hidden Local User Creation

calendarMay 2, 2023 · attack.persistence attack.t1136.001  ·
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Detects the creation of a local hidden user account which should not happen for event ID 4720.

Sigma rule (View on GitHub)

 1title: Hidden Local User Creation
 2id: 7b449a5e-1db5-4dd0-a2dc-4e3a67282538
 3status: test
 4description: Detects the creation of a local hidden user account which should not happen for event ID 4720.
 5references:
 6    - https://twitter.com/SBousseaden/status/1387743867663958021
 7author: Christian Burkard (Nextron Systems)
 8date: 2021/05/03
 9modified: 2022/10/09
10tags:
11    - attack.persistence
12    - attack.t1136.001
13logsource:
14    product: windows
15    service: security
16detection:
17    selection:
18        EventID: 4720
19        TargetUserName|endswith: '$'
20    condition: selection
21falsepositives:
22    - Unknown
23level: high

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