Illegal Function Codes for ICS traffic (Microsoft Defender for IoT)

This alert leverages Defender for IoT to detect Illegal function codes in SCADA equipment indicating improper application configuration or malicious activity such using illegal values within a protocol to exploit a…

Description

This alert leverages Defender for IoT to detect Illegal function codes in SCADA equipment indicating improper application configuration or malicious activity such using illegal values within a protocol to exploit a PLC vulnerability.

Detection logic

Detection requirements

Platform: None
The rule states no platform. This is derived from the ATT&CK technique it maps to.
Log source product: iot
Log source service: securityalert_asc_for_iot

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Detection rules

Illegal Function Codes for ICS traffic (Microsoft Defender for IoT)

Description

Detection logic

Detection requirements

MITRE ATT&CK mappings

From the source

Licence

Authorship

Detection rules