hacktricks/network-services-pentesting/47808-udp-bacnet.md

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# Protokol Inligting

**BACnet** is 'n **kommunikasieprotokol** vir Gebou Automatisering en Beheer (BAC) netwerke wat die **ASHRAE**, **ANSI**, en **ISO 16484-5 standaard** protokol benut. Dit fasiliteer kommunikasie tussen gebou automatisering en beheerstelsels, wat toepassings soos HVAC-beheer, beligtingbeheer, toegangbeheer, en branddetectiestelsels in staat stel om inligting uit te ruil. BACnet verseker interoperabiliteit en laat gecomputeriseerde gebou automatisering toestelle toe om te kommunikeer, ongeag die spesifieke dienste wat hulle bied.

**Standaard poort:** 47808
```text
PORT      STATE SERVICE
47808/udp open  BACNet -- Building Automation and Control NetworksEnumerate
```
# Opname

## Handmatig
```bash
pip3 install BAC0
pip3 install netifaces

import BAC0
import time

myIP = '<Your IP>/<MASK>' #You need to be on the same subnet as the bacnet device. Example: '192.168.1.4/24'
bacnet = BAC0.connect(ip=myIP)
bacnet.whois() #Broadcast request of bacnet devices
time.sleep(5)  #Wait for devices to respond
for i, (deviceId, companyId, devIp, numDeviceId) in enumerate(bacnet.devices):
print(f"-------- Device #{numDeviceId} --------")
print(f"Device:     {deviceId}")
print(f"IP:         {devIp}")
print(f"Company:    {companyId}")
readDevice = bacnet.readMultiple(f"{devIp} device {numDeviceId} all")
print(f"Model Name: {readDevice[11]}")
print(f"Version:    {readDevice[2]}")
# print(readDevice) #List all available info about the device
```
## Outomaties
```bash
nmap --script bacnet-info --script-args full=yes -sU -n -sV -p 47808 <IP>
```
This script doen nie poging om 'n BACnet-netwerk as 'n buitelandse toestel te sluit nie, dit stuur eenvoudig BACnet versoeke direk na 'n IP-adresbare toestel.

## Shodan

* `port:47808 instance`
* `"Instance ID" "Vendor Name"`



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