特洛依 is the Taiwan / Hong Kong rendering of Troy; Mainland press uses
特洛伊 (same pinyin Tèluòyī). The legendary city of Priam, Hector and Paris was identified with the archaeological mound of Hisarlık in modern Turkey, excavated by Heinrich Schliemann from 1870.
特洛依木马 = Trojan Horse (also the source of 'Trojan' in computer-virus terminology).