@Z0d said:
I did the rock with two different tools and got nothing , maybe I’m missing something
I think you are headed for the wrong ‘hash’ since you are referring to a “user hash”. By the way, I would recommend using the “Jumbo” (a.k.a community-driven) version of JTR for any conversion and cracking process; much better and efficient – when you find the correct path, that is.