DLL Execution Via Register-cimprovider.exe

Detects using register-cimprovider.exe to execute arbitrary dll file.

Sigma rule (View on GitHub)

 1title: DLL Execution Via Register-cimprovider.exe
 2id: a2910908-e86f-4687-aeba-76a5f996e652
 3status: test
 4description: Detects using register-cimprovider.exe to execute arbitrary dll file.
 5references:
 6    - https://twitter.com/PhilipTsukerman/status/992021361106268161
 7    - https://lolbas-project.github.io/lolbas/Binaries/Register-cimprovider/
 8author: Ivan Dyachkov, Yulia Fomina, oscd.community
 9date: 2020/10/07
10modified: 2021/11/27
11tags:
12    - attack.defense_evasion
13    - attack.t1574
14logsource:
15    category: process_creation
16    product: windows
17detection:
18    selection:
19        Image|endswith: '\register-cimprovider.exe'
20        CommandLine|contains|all:
21            - '-path'
22            - 'dll'
23    condition: selection
24fields:
25    - CommandLine
26falsepositives:
27    - Unknown
28level: medium

References

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