Another exchange attack using the newly discovered Microsoft  power shell vulnerability.

Everyone  need to patch to avoid possible attacks and ransomware, or alternatively have us do it!

The three vulnerabilities were discovered by Devcore Principal Security Researcher Orange Tsai, who chained them together to take over a Microsoft Exchange server in April’s Pwn2Own 2021 hacking contest.

Link to the complete articles explaining how it works

https://www.bleepingcomputer.com/news/security/microsoft-exchange-servers-being-hacked-by-new-lockfile-ransomware/amp/