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ํ”„๋กœํ† ์ฝœ ์ •๋ณด

BACnet์€ ๊ฑด๋ฌผ ์ž๋™ํ™” ๋ฐ ์ œ์–ด(BAC) ๋„คํŠธ์›Œํฌ๋ฅผ ์œ„ํ•œ ํ†ต์‹  ํ”„๋กœํ† ์ฝœ๋กœ, ASHRAE, ANSI, ๋ฐ ISO 16484-5 ํ‘œ์ค€ ํ”„๋กœํ† ์ฝœ์„ ํ™œ์šฉํ•ฉ๋‹ˆ๋‹ค. ์ด๋Š” ๊ฑด๋ฌผ ์ž๋™ํ™” ๋ฐ ์ œ์–ด ์‹œ์Šคํ…œ ๊ฐ„์˜ ํ†ต์‹ ์„ ์ด‰์ง„ํ•˜์—ฌ HVAC ์ œ์–ด, ์กฐ๋ช… ์ œ์–ด, ์ถœ์ž… ํ†ต์ œ ๋ฐ ํ™”์žฌ ๊ฐ์ง€ ์‹œ์Šคํ…œ๊ณผ ๊ฐ™์€ ์• ํ”Œ๋ฆฌ์ผ€์ด์…˜์ด ์ •๋ณด๋ฅผ ๊ตํ™˜ํ•  ์ˆ˜ ์žˆ๋„๋ก ํ•ฉ๋‹ˆ๋‹ค. BACnet์€ ์ƒํ˜ธ ์šด์šฉ์„ฑ์„ ๋ณด์žฅํ•˜๊ณ , ํŠน์ • ์„œ๋น„์Šค์— ๊ด€๊ณ„์—†์ด ์ปดํ“จํ„ฐํ™”๋œ ๊ฑด๋ฌผ ์ž๋™ํ™” ์žฅ์น˜๊ฐ€ ํ†ต์‹ ํ•  ์ˆ˜ ์žˆ๋„๋ก ํ•ฉ๋‹ˆ๋‹ค.

๊ธฐ๋ณธ ํฌํŠธ: 47808

PORT      STATE SERVICE
47808/udp open  BACNet -- Building Automation and Control NetworksEnumerate

์—ด๊ฑฐ

์ˆ˜๋™

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

์ž๋™ํ™”

nmap --script bacnet-info --script-args full=yes -sU -n -sV -p 47808 <IP>

์ด ์Šคํฌ๋ฆฝํŠธ๋Š” ์™ธ๋ถ€ ์žฅ์น˜๋กœ์„œ BACnet ๋„คํŠธ์›Œํฌ์— ์ฐธ์—ฌํ•˜๋ ค๊ณ  ํ•˜์ง€ ์•Š์œผ๋ฉฐ, ๋‹จ์ˆœํžˆ BACnet ์š”์ฒญ์„ IP ์ฃผ์†Œ๊ฐ€ ์ง€์ •๋œ ์žฅ์น˜๋กœ ์ง์ ‘ ์ „์†กํ•ฉ๋‹ˆ๋‹ค.

Shodan

  • port:47808 instance
  • "Instance ID" "Vendor Name"

Tip

AWS ํ•ดํ‚น ๋ฐฐ์šฐ๊ธฐ ๋ฐ ์—ฐ์Šตํ•˜๊ธฐ:HackTricks Training AWS Red Team Expert (ARTE)
GCP ํ•ดํ‚น ๋ฐฐ์šฐ๊ธฐ ๋ฐ ์—ฐ์Šตํ•˜๊ธฐ: HackTricks Training GCP Red Team Expert (GRTE) Azure ํ•ดํ‚น ๋ฐฐ์šฐ๊ธฐ ๋ฐ ์—ฐ์Šตํ•˜๊ธฐ: HackTricks Training Azure Red Team Expert (AzRTE)

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