hacktricks/network-services-pentesting/pentesting-modbus.md

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# Basiese Inligting

In 1979 is die **Modbus Protokol** deur Modicon ontwikkel, wat as 'n boodskapstruktuur dien. Die primêre gebruik daarvan behels die fasilitering van kommunikasie tussen intelligente toestelle, wat onder 'n meester-slaaf/klient-bediener model werk. Hierdie protokol speel 'n belangrike rol in die effektiewe uitruil van data tussen toestelle.

**Standaard poort:** 502
```
PORT    STATE SERVICE
502/tcp open  modbus
```
# Opname
```bash
nmap --script modbus-discover -p 502 <IP>
msf> use auxiliary/scanner/scada/modbusdetect
msf> use auxiliary/scanner/scada/modbus_findunitid
```
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