OT/ICS Penetration Testing Fundamentals: A Hands-On Course

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This one-day course clarifies misconceptions about OT penetration testing and provides foundational knowledge for securing Industrial Control Systems (ICS) and Operational Technology (OT).

You Should Know:

Key Topics Covered:

  • Pivoting from IT to OT penetration testing
  • Conducting tests safely in critical environments (power plants, refineries, water facilities)
  • Differences between IT and OT penetration testing
  • Performing assumed breach through IT/OT DMZ
  • Evaluating cybersecurity of OT assets (PLCs, RTUs, etc.)

Hands-On Labs & Practical Commands:

1. Network Discovery in OT Environments

nmap -sS -Pn -T4 --min-rate 1000 -p 502,102,44818,1911 <OT_IP_Range>

(Modbus/TCP, Siemens S7, Rockwell Ethernet/IP ports)

  1. PLC Enumeration with Python (Using `python3-pip` and python3-scapy)
    from scapy.all import 
    ans, unans = srp(Ether(dst="ff:ff:ff:ff:ff:ff")/ARP(pdst="192.168.1.0/24"), timeout=2)
    ans.summary()
    

3. OT Protocol Fuzzing (Using `boofuzz`)

git clone https://github.com/jtpereyda/boofuzz 
cd boofuzz 
python3 setup.py install 
python3 examples/modbus_fuzz.py 

4. Extracting Firmware from PLCs

binwalk -eM <firmware_file.bin> 
strings <extracted_file> | grep -i "password" 

5. Detecting OT Vulnerabilities with `Nmap` NSE Scripts

nmap --script modbus-discover.nse -p 502 <target_IP> 

6. MITM Attacks in OT Networks (Using `Ettercap`)

ettercap -T -i eth0 -M arp /192.168.1.1// /192.168.1.2// 

7. Log Manipulation in SCADA Systems

sed -i 's/alarm_triggered=1/alarm_triggered=0/g' /var/log/scada.log 

What Undercode Say:

OT security requires specialized skills due to legacy systems, proprietary protocols, and operational safety constraints. This course bridges the gap between IT and OT security, emphasizing hands-on exploitation and defense techniques.

Prediction:

As OT/ICS attacks rise (e.g., ransomware targeting water plants), demand for certified OT penetration testers will surge. Governments will enforce stricter ICS security regulations by 2025.

Expected Output:

  • A structured OT penetration testing methodology.
  • Ability to identify and exploit OT-specific vulnerabilities.
  • Hands-on experience with ICS attack simulations.

Enroll Now: OT/ICS Penetration Testing Course

IT/Security Reporter URL:

Reported By: Mikeholcomb Very – Hackers Feeds
Extra Hub: Undercode MoN
Basic Verification: Pass ✅

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