Princeton IoT Inspector: Tutorial

Summary

Princeton IoT Inspector is an open-source desktop tool to automatically discovers IoT devices and analyzes their network traffic.

Requirements

• Operating system: Linux (or Mac OS)

IoT Inspector

The official installation guide can be found on the official web-page

Here a tutorial on how to install the IoT-Inspector on the Raspberry Pi: Princeton IoT Inspector: Installation on the Raspberry Pi

Start IoT Inspector

Launch the IoT Inspector:

cd ~/princeton-iot-inspector/
./linux-start-inspector.sh 

You should be greeted with following screen:

       ===========================
         Princeton IoT Inspector
       ===========================
       View the IoT Inspector report at:
       https://inspector.cs.princeton.edu/persistent/xxxx-xxxx-xxxx-xxxx
       This is your private link. Open it only on trusted computers.
       Hit Control + C to terminate this process and stop data collection.

Overview

visit the website from the previous output from any device

View devices

Under "My Devices" you will find all connected devices on your network

You can now click on the device you want to monitor with the checkbox,

Or if you want to monitor all devices you can select "monitor all devices"

Network activities

Now it will get the network data

you can view it under "network activities"

Analyze ABUS PPIC32020 smart security WiFi camera

Connect the camera to the network, click "monitor device" in the iot-inspector dashboard.

Now it will arp spoof the connection and log the network traffic.

We can analyze the connected IPs more closely when clicking on "communication endpoints"

Analyze Technaxx WiFi smart alarm system starter kit TX-84

We can observe, that the alarm base station is very talkative.

]

Used Hardware

Raspberry Pi 3, Model B+, WLAN, BT

ABUS PPIC32020 smart security WiFi camera

Technaxx WiFi smart alarm system starter kit TX-84

References

http://web.archive.org/web/20191230083837/https://iot-inspector.princeton.edu/