Showboat - Port 53 Non-DNS Traffic Anomaly
Detects data exfiltration by identifying TCP network connections over Port 53 (DNS) originating from non-standard binaries, bypassing layer 7 firewall inspections.
Microsoft Sentinel (KQL)

Detects data exfiltration by identifying TCP network connections over Port 53 (DNS) originating from non-standard binaries, bypassing layer 7 firewall inspections.

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