hacktricks/pentesting/pentesting-modbus.md

# 502 - Pentesting Modbus

## Basic Information

Modbus Protocol is a messaging structure developed by Modicon in 1979. It is used to establish master-slave/client-server communication between intelligent devices.

**Default port: **502

```
PORT    STATE SERVICE
502/tcp open  modbus
```

## Enumeration

```bash
nmap --script modbus-discover -p 502 <IP>
msf> use auxiliary/scanner/scada/modbusdetect
msf> use auxiliary/scanner/scada/modbus_findunitid
```
GitBook: [master] 351 pages and 442 assets modified 2020-07-15 15:43:14 +00:00			`# 502 - Pentesting Modbus`

			`## Basic Information`

			`Modbus Protocol is a messaging structure developed by Modicon in 1979. It is used to establish master-slave/client-server communication between intelligent devices.`

GitBook: [#2777] gitbookissooooo slow I cannot write 2021-10-18 11:21:18 +00:00			`Default port: 502`
GitBook: [master] 351 pages and 442 assets modified 2020-07-15 15:43:14 +00:00
GitBook: [#2777] gitbookissooooo slow I cannot write 2021-10-18 11:21:18 +00:00			```
GitBook: [master] 351 pages and 442 assets modified 2020-07-15 15:43:14 +00:00			`PORT STATE SERVICE`
			`502/tcp open modbus`
			```

			`## Enumeration`

			```bash
			`nmap --script modbus-discover -p 502 <IP>`
			`msf> use auxiliary/scanner/scada/modbusdetect`
			`msf> use auxiliary/scanner/scada/modbus_findunitid`
			```