Symantec on Tuesday reported on a malware campaign that has targeted financial organizations worldwide for the past 10 months. Dubbed "Trojan.Odinaff," it has infiltrated the banking, securities, trading and payroll sectors, as well as organizations that provide them with support services. Odinaff is used in the first stage of an attack, to get a foothold into a network. It provides a persistent presence, and lets users install additional tools onto the target network, Symantec explained.