Water_Tank

Hardware

You've gained access to a water tank control system at a critical infrastructure facility. The tank is currently filling with water and will soon overflow! Your mission is to understand the industrial control protocol to find and close the right valves before it's too late.

A packet capture of the network traffic is provided. Analyze it to extract the login credentials that provide the access to the system.

+-------------------- System Information --------------------+ Holding Registers : 200
Coils : 100
Discrete Inputs : 100
Input Registers : 100
Tank Status : 0=normal, 1=high, 2=critical
Inverted : 0=CLOSED, 1=OPEN
Normal : 1=CLOSED, 0=OPEN
+------------------------------------------------------------+

• No. of open valves = HR 10
• Flow Rate = HR 11
• Tank Level = HR 12

You need to manually update the flag obtained from the server.

Example Flag: bi0s{admin_password_f4k3_fl4g}

Author: 3ji Flag Format: bi0s{username_password_obtained_flag}