cboard.cprogramming.com is listed #7 on list of sites/forums that actively support "contract cheating". Which term you can google for lots of examples.
Robert Clarke, Thomas Lancaster and (I believe) Sandi Kirkham publish and update this list. If I understand correctly, the list is used to aid in searching for cheating, and the list is actively circulated.
Those folks are faculty here:
I think the cboards are a good forum - Maybe one of the mods here can contact Robert Clarke et al. And see if a rule change here is enforceable or even worth the effort.