I know a website that selling Bitcointalk account in bulk including higher rank member with positive trust.
Maybe we can tag high rank user that recently just active for the purpose of participating on this campaign.
I also think that you should expose that website.
I don't think this will be the right step. Although, if you are good enough at using Internet search, finding similar sites selling accounts is not a problem.
What's the point in starting to list the resources on which accounts are sold? Does this mean that whoever has not bought the current will be able to buy it? After all, we will not be able to prevent them from doing this.

The sellers have become cunning. I remember how one person who had a purchased account and was caught admitted that when selling an account, they have a rule not to change passwords, so as not to attract the attention of DT