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Modbus Honeypot Enterprise ​

The Modbus service emulates a Modbus TCP device. It is useful for detecting reconnaissance and unauthorized access attempts against industrial control systems (ICS) and operational technology (OT) networks where Modbus is common.

Configuration ​

Modbus services are configured from the Enterprise dashboard. Open Trapsters, select a device, go to the Services tab, and add the Modbus service.

Options ​

OptionDescription
PortTCP port (default 502)
Device typeThe industrial device Trapster impersonates

Device types ​

TypeDescription
Schneider M580 FactoryCastSchneider Electric M580 PLC
Schneider BMX P34 CPU BSchneider BMX P34 CPU module
GW-2200 Modbus GatewayGW-2200 Modbus gateway

Match your environment

Choose a device type that matches equipment on your OT network. Attackers scanning for Modbus devices will see a familiar fingerprint.

What gets captured ​

EventFields
Connection madeSource IP and port
Query receivedModbus function codes requested

Pairing with breadcrumbs ​

From the Modbus service row, click Generate breadcrumb to create a decoy credential or script tied to this Trapster. See Breadcrumbs.