Do Son Cybersecurity researchers uncover OCRFix, a Russian-linked botnet using EtherHiding and fake CAPTCHAs to mask its C2 servers in blockchain smart contracts.
smart contracts
Group-IB uncovers DeadLock ransomware using Polygon smart contracts for resilient C2. This "EtherHiding" tactic signals a new era of blockchain abuse.
A new report reveals that malicious npm packages are using Ethereum smart contracts as resilient command-and-control servers, a new tactic in open-source attacks.