Potential Renamed Rundll32 Execution
Detects when 'DllRegisterServer' is called in the commandline and the image is not rundll32. This could mean that the 'rundll32' utility has been renamed in order to avoid detection
Detection logic
Detection requirements
- Log source product
- windows
- Log source category
- process_creation
Known benign triggers
- Unlikely
MITRE ATT&CK mappings
Not mapped to ATT&CK.
References
| Reference | Cited by |
|---|---|
| app.any.run/tasks/f74c5157-8508-4ac6-9805-d63fe7b0d399/ | Only this detection cites it |
| twitter.com/swisscom_csirt/status/1331634525722521602?s=20 | Only this detection cites it |
From the source
- At source
- Open at source
- Upstream identifier
- 2569ed8c-1147-498a-9b8c-2ad3656b10ed
- Tagged by the source as
- attack.execution
Licence
- Published under
- Detection Rule License 1.1Read the licence
- Attribution
- Required
Authorship
- Published
- Aug 26, 2026
- Version
- 1