Soraya is a new strain of malware that attacks Point of Sale (PoS) terminals, and has compromised thousands of payment cards. Researchers have found that it works by taking some of the features of the Zeus and the Dexter Trojans.

You can read about how Soraya uses memory scraping AND form grabbing to do its damage at Threatpost.

The State of Security also has a great write up on this malware threat.

Get more details on Soraya at Arbor Networks.