DeadLock Ransomware Uses Polygon Blockchain to Stealthily Rotate Proxy Servers
Group-IB published its report on January 15, noting this technique could make defenders’ takedowns more difficult. The malware reads on-chain data, so victims do not pay gas fees. Researchers said Polygon is not vulnerable, but the tactic could spread. Ransomware groups typically rely on command-and-control (C2) servers to manage communications after compromising a system. Security … Read more