Add New Download Source To Winget
Detects usage of winget to add new additional download sources
Convert In Phoenix Studio
Open this Sigma rule in the converter with the YAML preloaded and ready for backend selection.
Events generated when a new process is spawned on the system. Covers command-line arguments, parent/child relationships, and process metadata.
detection:
selection_img:
- Image|endswith: '\winget.exe'
- OriginalFileName: 'winget.exe'
selection_cli:
CommandLine|contains|all:
- 'source '
- 'add '
condition: all of selection_*False positive are expected with legitimate sources
Add Insecure Download Source To Winget
Detects usage of winget to add a new insecure (http) download source. Winget will not allow the addition of insecure sources, hence this could indicate potential suspicious activity (or typos)
Detects similar activity. Both rules may fire on overlapping events.
Add Potential Suspicious New Download Source To Winget
Detects usage of winget to add new potentially suspicious download sources
Detects similar activity. Both rules may fire on overlapping events.