Vulnerable WinRing0 Driver Load

calendar Oct 23, 2025 · attack.persistence attack.privilege-escalation attack.t1543.003  ·
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Detects the load of a signed WinRing0 driver often used by threat actors, crypto miners (XMRIG) or malware for privilege escalation

Sigma rule (View on GitHub)

 1title: Vulnerable WinRing0 Driver Load
 2id: 1a42dfa6-6cb2-4df9-9b48-295be477e835
 3status: test
 4description: Detects the load of a signed WinRing0 driver often used by threat actors, crypto miners (XMRIG) or malware for privilege escalation
 5references:
 6    - https://github.com/xmrig/xmrig/tree/master/bin/WinRing0
 7    - https://www.rapid7.com/blog/post/2021/12/13/driver-based-attacks-past-and-present/
 8author: Florian Roth (Nextron Systems)
 9date: 2022-07-26
10modified: 2024-11-23
11tags:
12    - attack.persistence
13    - attack.privilege-escalation
14    - attack.t1543.003
15logsource:
16    product: windows
17    category: driver_load
18detection:
19    selection:
20        - Hashes|contains: 'IMPHASH=D41FA95D4642DC981F10DE36F4DC8CD7'
21        - ImageLoaded|endswith:
22              - '\WinRing0x64.sys'
23              - '\WinRing0.sys'
24              - '\WinRing0.dll'
25              - '\WinRing0x64.dll'
26              - '\winring00x64.sys'
27    condition: selection
28falsepositives:
29    - Unknown
30level: high

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