Vulnerable WinRing0 Driver Load

calendar Oct 17, 2023 · 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: 2022/11/19
11tags:
12    - attack.privilege_escalation
13    - attack.t1543.003
14logsource:
15    product: windows
16    category: driver_load
17detection:
18    selection_name:
19        ImageLoaded|endswith:
20            - '\WinRing0x64.sys'
21            - '\WinRing0.sys'
22            - '\WinRing0.dll'
23            - '\WinRing0x64.dll'
24            - '\winring00x64.sys'
25    selection_sysmon:
26        Hashes|contains: 'IMPHASH=D41FA95D4642DC981F10DE36F4DC8CD7'
27    selection_other:
28        Imphash: 'd41fa95d4642dc981f10de36f4dc8cd7'
29    condition: 1 of selection*
30falsepositives:
31    - Unknown
32level: high

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