Is rise against a Christan band?

All of the members are Agnostic. They do not ridiculue Christianity in any way, but they do mention God in their lyrics sometimes:

"Would God bless the murder of the innocents? Would God bless a war based on pride? Would God bless a money-hungry government? NO!"

- Blood-Red, White and Blue

"Is there a god tonight, up in the sky, or is it empty just like me?"

- Life Less Frightening

etc...they do not worship any deity, it is just what they believe. Hope I helped!!