DPRK Adopts EtherHiding: Nation-State Malware Hiding on Blockchains.

EtherHiding, a novel technique where the attackers embed malicious payloads (like JADESNOW and INVISIBLEFERRET malware) within smart contracts on public blockchains (like BNB Smart Chain and Ethereum).

https://cloud.google.com/blog/topics/threat-intelligence/dprk-adopts-etherhiding/