Suspicious Outbound RDP Connections Over Non-Standard Utilities (via network_connection)
This rule detects Non-Standard tools initiating a connection over port 3389 suggesting possible lateral movement. An initial baseline is required before using this utility to exclude third party RDP tooling that you might use.
SigmahighWindowsv1
Full detection rule
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- Unknown
Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.