Abstract
With the development of new information technologies such as cloud computing, Internet of Things, and mobile Internet of Things, Industry 4.0, Smart Manufacturing and Made in China 2025 have been proposed as the main content of the development of the next industrial revolution. In order to realize these projects with the common characteristics of intelligence, service, and green, a new manufacturing model, digital twin, is proposed, which combines the digital twin with industrial systems, that is, the industrial control virtualization system. However, due to the frequent occurrence of industrial control system security incidents in recent years, the industrial control virtualization system is vulnerable to attacks. The industrial control system is huge and cumbersome. Once attacked, it will cause consequences that affect the whole body. In response to this problem, this article carried out a research on DoS attack detection methods for Modbus TCP in OpenPLC, using OpenPLC as a tool for industrial control system virtualization, building a digital twin system with Raspberry Pi, and launching DoS attacks on the system, combined with Snort Intrusion detection is carried out, and the experimental results show that the built digital twin system can detect DoS attacks in OpenPLC.
Highlights
IntroductionOne of the most authoritative IT and consulting companies in the world, has listed digital twins as one of the top ten strategic technology development trends from 2017 to 2020 [1] [2] [3] [4]
In order to realize these projects with the common characteristics of intelligence, service, and green, a new manufacturing model, digital twin, is proposed, which combines the digital twin with industrial systems, that is, the industrial control virtualization system
It will cause consequences that affect the whole body. In response to this problem, this article carried out a research on DoS attack detection methods for Modbus TCP in OpenPLC, using OpenPLC as a tool for industrial control system virtualization, building a digital twin system with Raspberry Pi, and launching DoS attacks on the system, combined with Snort Intrusion detection is carried out, and the experimental results show that the built digital twin system can detect DoS attacks in OpenPLC
Summary
One of the most authoritative IT and consulting companies in the world, has listed digital twins as one of the top ten strategic technology development trends from 2017 to 2020 [1] [2] [3] [4] They believe that with the integration of technology and people, there will be many opportunities to create digital versions of physical systems, which will represent different objects in the real world. Aiming at the above problems, this article uses the cloud server as the communication host, the Raspberry Pi as the communication slave, uses the Modbus communication protocol for communication, and is equipped with OpenPLC to simulate a small industrial control system, build a digital virtualization system, and conduct attack tests on the system. Use the Pfsense firewall to add snort as a plug-in for detection, thereby improving the security of the industrial control system
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