U dnt get a box ban m8. It's just a 9999 ban for the profile u use it on. However the profile won't get banned for atleast a month I reckon then u can play it on it offline.
This Xbox console has been permanently banned from access to Xbox LIVE due to involvement in the purchase, sale, theft, or transfer of Xbox LIVE account(s). This conduct was discovered by an investigation into the activity occurring on the console.
The conduct that caused this ban may include, but is not limited to:
• Unauthorized account recovery or usage
• Unauthorized purchases/redemptions on an account
• Offering to buy, sell, lend, or transfer an account
• Attempts to commit fraud
That's one example of many pages on Xbox.com daily of people that get console banned for this. Even if it is "Uncommon" which I personally don't think it is with what I have been reading on Xbox.com, people still need to know the risk.