(Reuters) - Cerberus Capital Management is believed to be the firm that made an offer worth up to $2.5 billion for the wine business of Foster's Group Ltd. Foster's, Australia's largest brewer, rejected the surprise bid for the world's second-largest wine business on Wednesday, but left the door open to better offers.Foster's, being advised by Gresham Advisory Partners and Goldman Sachs, declined to comment on the identity of the bidder on Wednesday