hmmm... connection to Xbox Live only. Or buy a new 360 and keep it legit from now on...Xbox Live EULA
The Service may only be accessed with an Xbox video game console, the software and/or hardware of which has not been modified in any way (except for Microsoft authorized repairs and upgrades). Any attempt to disassemble, decompile, create derivative works of, reverse engineer, modify, further sublicense, distribute or use for other purposes either the hardware or software of the Xbox or the Service, is strictly prohibited and may result in termination of your account and/or your ability to access the Service via your Xbox, and the pursuit of other legal remedies by Microsoft.
Sorry to say so but it's true. I like that you modded your 360 but using it on Live is what I dont appreciate.