DLL Execution Via Register-cimprovider.exe

calendar Oct 23, 2025 · attack.privilege-escalation attack.persistence attack.defense-evasion attack.t1574  ·
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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.privilege-escalation
13    - attack.persistence
14    - attack.defense-evasion
15    - attack.t1574
16logsource:
17    category: process_creation
18    product: windows
19detection:
20    selection:
21        Image|endswith: '\register-cimprovider.exe'
22        CommandLine|contains|all:
23            - '-path'
24            - 'dll'
25    condition: selection
26fields:
27    - CommandLine
28falsepositives:
29    - Unknown
30level: medium

References

  • Something went wrong, but don’t fret — let’s give it another shot. Some privacy related extensions may cause issues on x.com. Please disable them and try again.


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  • Register Cimprovider on LOLBAS

    Register-cimprovider.exe is a living-of-the-land file containing unexpected functionality that can be abused by attackers; this page lists all its use cases.


    Read More

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