huntrule

Suspicious ASPX File Drop by Exchange (via file_event)

This rule detects anomalous file type dropped by an Exchange component in IIS into an anomalous folder

SigmahighWindowsv1
Full detection rule

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Known false positives

  • Unknown

Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.