Rooted, easy box but really fun (for me). Privesc part easier than expected, try it locally before exploiting the service.
+1 to the creator, good luck to everyone else who got stuck.
There are a lot of hints in the thread, keep trying!
Could be possible that the S** I******** has been patched? I exploited it many times before today, now every time I get ban.
[Edit] It wasn't real, I forget to pass an important flag to the tool.