The latest is a fresher version of the ransomware pro-Ukraine researcher ContiLeaks already released, but it’s reportedly clunkier code.
https://threatpost.com/conti-ransomware-v-3-including-decryptor-leaked/179006/
Microsoft says it’s only going to get worse: It’s seen state-sponsored and cyber-criminal attackers probing systems for the Log4Shell flaw through the end of December.
https://threatpost.com/microsoft-rampant-log4j-exploits-testing/177358/