There are a few plugins that can block some of the mods but not all.
Unfortunately lots of the invisible admins mods have really easy workarounds that make them not really invisible at all.
To be honest I'm not really of the belief that expending a huge amount of energy in fighting the use of mods is a good use of admin time. It's far better to go for a few of the "easy wins" and keep as much admin time as free as possible for helping players/the community/etc.
Unfortunately lots of the invisible admins mods have really easy workarounds that make them not really invisible at all.
To be honest I'm not really of the belief that expending a huge amount of energy in fighting the use of mods is a good use of admin time. It's far better to go for a few of the "easy wins" and keep as much admin time as free as possible for helping players/the community/etc.