This whitepaper goes into detail and multiple different ways you can using blacklisting with mod_rewrite.
You can download it from the following link: https://packetstormsecurity.com/files/download/124049/different-rewrite-methods.pdf
Source: https://packetstormsecurity.com/files/124049/Different-Rewrite-Methods-Available-With-mod_rewrite-For-Blacklisting.html