A new trojan variant has been identified in pirated versions of Adobe Photoshop CS4 for Mac. The malware is being distributed via peer-to-peer programs, security firm Intego said Monday. Nearly 5,000 people already have downloaded the software containing the trojan, which permits remote code execution. In the first version of this trojan, attackers used infected computers to launch DDoS attacks on various websites, Intego said. -- AM