Cybersecurity researchers have uncovered a new evolution of the EtherHiding blockchain-based command-and-control (C2) technique, dubbed NullReceiver, which conceals the C2 server IP…
NullReceiver is a novel command-and-control (C2) technique that encodes the C2 server IP address within the recipient address of a zero-value Ethereum…
OpenSourceMalware is a cybersecurity research organization that identified and codenamed the NullReceiver technique. It analyzed the trojanized npm packages bianira-ui and fluid-type-ui,…