Extracting rar with UnArchiver
On the icon > show contents
On Contents folder > open terminal at this location
In Terminal
cd /MacOS
chmod +x ./MAC\ 4.09
xattr -d com.apple.quarantine ./MAC\ 4.09
./MAC\ 4.09
This will run the application and the security center will then prompt you to allow or disallow it
Once you allow it in the security center
Settings>Privacy&Security>Bottom portion as you scroll down
The application will open and run