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CriticalSigmaHQFlorian Roth (Nextron Systems)

ProxyLogon MSExchange OabVirtualDirectory

Detects specific patterns found after a successful ProxyLogon exploitation in relation to a Commandlet invocation of Set-OabVirtualDirectory

Detection logic

Detection requirements

Platform
PRE

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

Known benign triggers

  • Unlikely

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