After running 419 scams, a group of Nigerians changed their activity and now target victims in Taiwan and South Korea, using cheap software designed to take control over their computer systems. Palo Alto Networks, a Santa Clara-based network security firm, released a report showing that Nigerian cybercrooks started to employ remote access tools (RATs) in order to gain access to the victims system, be it Windows, Mac or Linux. They managed to track the origin of a malware campaign to I…