Suspicious VBScript UN2452 Pattern

Detects suspicious inline VBScript keywords as used by UNC2452

Sigma rule (View on GitHub)

 1title: Suspicious VBScript UN2452 Pattern
 2id: 20c3f09d-c53d-4e85-8b74-6aa50e2f1b61
 3status: test
 4description: Detects suspicious inline VBScript keywords as used by UNC2452
 5references:
 6    - https://www.microsoft.com/security/blog/2021/03/04/goldmax-goldfinder-sibot-analyzing-nobelium-malware/
 7author: Florian Roth (Nextron Systems)
 8date: 2021/03/05
 9modified: 2022/10/09
10tags:
11    - attack.persistence
12    - attack.t1547.001
13    - detection.emerging_threats
14logsource:
15    category: process_creation
16    product: windows
17detection:
18    selection:
19        CommandLine|contains|all:
20            - 'Execute'
21            - 'CreateObject'
22            - 'RegRead'
23            - 'window.close'
24            - '\Microsoft\Windows\CurrentVersion'
25    filter:
26        CommandLine|contains: '\Software\Microsoft\Windows\CurrentVersion\Run'
27    condition: selection and not filter
28falsepositives:
29    - Unknown
30level: high

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