You could give https://asepsis.binaryage.com https://asepsis.binaryage.com a shot—it's unmaintained and unsupported since El Cap, but it apparently still worked

You could give https://asepsis.binaryage.com https://asepsis.binaryage.com a shot—it's unmaintained and unsupported since El Cap, but it apparently still worked on El Cap if you turned SIP off. Maybe it still works.