Zeppelin ransomware background
https://www.bleepingcomputer.com/news/security/zeppelin-ransomware-source-code-sold-for-500-on-hacking-forum/
A threat actor announced on a cybercrime forum that they sold the source code and a cracked version of the Zeppelin ransomware builder for just $500.
The post was spotted by threat intelligence company KELA and while the legitimacy of the offer has not been validated, the screenshots from the seller indicate that the package is real.