North Korean hackers have adopted the 'EtherHiding' technique that leverages smart contracts to host and deliver malware in social engineering campaigns that steal cryptocurrency. Google Threat Intelligence Group (GTIG) says that a DPRK nation state threat actor, tracked internally as UNC5342, has been employing EtherHiding since February in Contagious Interview operations. The researchers note that this is the first time they saw a state-backed hacker group using this method. First described by...