Remove Exported Mailbox from Exchange Webserver

Detects removal of an exported Exchange mailbox which could be to cover tracks from ProxyShell exploit

Detection logic

Platform: Containers ESXi Linux macOS Network Devices Office Suite Windows
The rule states no platform. This is derived from the ATT&CK technique it maps to.
Log source product: windows
Log source service: msexchange_management

Links the source published beside this detection. Reference is the link the source wrote, unmodified. Class is decided by this catalogue from the host and path, not stated by the source. Cited by counts published detections citing the same resource, including this one, and the sources beneath it count the repositories this catalogue ingests, which is not the same as independent research.
Reference	Class	Cited by
github.com/rapid7/metasploit-framework/blob/1416b5776d963f21b7b5b45d19f3e961201e0aed/modules/exploits/windows/http/exchange_proxyshell_rce.rb#L430	Tool	Only this detection cites it