dbxparser.ps1 is a PowerShell script that: dumps SHA256 hashes of blacklisted UEFI bootloaders from the ‘dbx’ UEFI variable.

Darn, Github chokes on Github Gist URLs. Remove the 3 spaces from the below URL, or click on the above Tweet.

https:// gist. github. com/mattifestation/991a0bea355ec1dc19402cef1b0e3b6f