It is very common to find copycat recipes online these days, and there are scores of posts that say they have the "exact" recipe for that famous Colonel's fried chicken. I doubt that, especially since the ingredients vary from post to post! Don't believe everything you read!
I've had a fried chicken spice recipe for many years and the originator claimed it was the "real thing" from the Colonel. I'm sure it isn't but it sure is a good one! I combine these spices: