Write Protect For Storage Disabled

calendar Jan 29, 2024 · attack.defense_evasion attack.t1562  ·
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Detects applications trying to modify the registry in order to disable any write-protect property for storage devices. This could be a precursor to a ransomware attack and has been an observed technique used by cypherpunk group.

Sigma rule (View on GitHub)

 1title: Write Protect For Storage Disabled
 2id: 75f7a0e2-7154-4c4d-9eae-5cdb4e0a5c13
 3status: test
 4description: |
 5    Detects applications trying to modify the registry in order to disable any write-protect property for storage devices.
 6    This could be a precursor to a ransomware attack and has been an observed technique used by cypherpunk group.    
 7references:
 8    - https://www.manageengine.com/products/desktop-central/os-imaging-deployment/media-is-write-protected.html
 9author: Sreeman
10date: 2021/06/11
11modified: 2024/01/18
12tags:
13    - attack.defense_evasion
14    - attack.t1562
15logsource:
16    product: windows
17    category: process_creation
18detection:
19    selection:
20        CommandLine|contains|all:
21            - '\System\CurrentControlSet\Control'
22            - 'Write Protection'
23            - '0'
24            - 'storage'
25    condition: selection
26falsepositives:
27    - Unknown
28level: medium

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