Suspicious Encoded Scripts in a WMI Consumer

calendar Aug 12, 2024 · attack.execution attack.t1047 attack.persistence attack.t1546.003  ·
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Detects suspicious encoded payloads in WMI Event Consumers

Sigma rule (View on GitHub)

 1title: Suspicious Encoded Scripts in a WMI Consumer
 2id: 83844185-1c5b-45bc-bcf3-b5bf3084ca5b
 3status: test
 4description: Detects suspicious encoded payloads in WMI Event Consumers
 5references:
 6    - https://github.com/RiccardoAncarani/LiquidSnake
 7author: Florian Roth (Nextron Systems)
 8date: 2021-09-01
 9modified: 2022-10-09
10tags:
11    - attack.execution
12    - attack.t1047
13    - attack.persistence
14    - attack.t1546.003
15logsource:
16    product: windows
17    category: wmi_event
18detection:
19    selection_destination:
20        Destination|base64offset|contains:
21            - 'WriteProcessMemory'
22            - 'This program cannot be run in DOS mode'
23            - 'This program must be run under Win32'
24    condition: selection_destination
25fields:
26    - User
27    - Operation
28falsepositives:
29    - Unknown
30level: high

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