One of the best features about the Sigma format how easy anyone can start sharing detections with the wider security community. However, each community will enforce some guidelines around how to best contribute to each Sigma Rule repository online.
SigmaHQ Rule Repository
If you haven't already checked it out, visit the SigmaHQ Rule Repository to check out the hundreds of available detections.
Submission to SigmaHQ
The best way to get your Sigma rule accepted within SigmaHQ's rule repository, is follow the below checklist to ensure it adheres to the standards the community has set for those rules.
Your rule must adhere to the correct layout.
You're ready to open up a PR for your rule.
If you've finished writing your Sigma rule, and it adheres to points #1 and #2, you're ready to open up a Pull Request under the SigmaHQ repository.