first of all you need to know what condition your rock is currently in. you say live rock, was it shipped to you or did you buy from lfs or another reefer. it matters cus im not totally sure how long life will sustain on the rock being out of water. if it has been dried for a while then chances are its no longer live. but is it has been at least damp from leaving the tank/ocean then to you, then its quite easy. heated saltwater at 83f, a powerhead in a container with a lid, could be a large brute trash can. anything dying or dead on the rock will turn to ammonia to feed remaining bacteria or make new ones. change 50% water weekly and its gonna smell, so use carbon if you must. the whole point of curing for live rock is to remove any dying or dead matter from the rock. and since its technically live, doesnt need to be cycles since the bacteria is already on it.