Are there any "hacks/mods" to hack a online server (Vanilla) with no security.

Basically I'm asking is there a way to hack or mod an online Vanilla server

It has no security/Bukkit
It is an Offline server so hacked clients can join

So is it possible and if so can someone tell me a hack (No DDoS)
I need something to mod the invent or something more spectacular.

1. Login as the admin
2. ????
3. Profit

Use a cracked launcher and login using a ops name.

Yea one problem its not got craftbukkit =). I guess its really not worth hacking without craftbukkit, thanks anyway.

---------- Post added at 12:51 AM ---------- Previous post was at 12:50 AM ----------

Can this thread be locked please it has no further use.

@jreynolds552 what is the ip of this server?