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Method and system for analyzing industrial network transmission protocol

A technology of industrial network and transmission protocol, applied in the direction of transmission system, electrical components, etc.

Active Publication Date: 2019-03-29
CHINA ELECTRIC POWER RES INST +3
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0005] The technical solution of the present invention provides a method and system for analyzing industrial network transmission protocols to solve the problem of how to analyze industrial network transmission protocols

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  • Method and system for analyzing industrial network transmission protocol
  • Method and system for analyzing industrial network transmission protocol
  • Method and system for analyzing industrial network transmission protocol

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Embodiment Construction

[0033] Exemplary embodiments of the present invention will now be described with reference to the drawings; however, the present invention may be embodied in many different forms and are not limited to the embodiments described herein, which are provided for the purpose of exhaustively and completely disclosing the present invention. invention and fully convey the scope of the invention to those skilled in the art. The terms used in the exemplary embodiments shown in the drawings do not limit the present invention. In the figures, the same units / elements are given the same reference numerals.

[0034] Unless otherwise specified, the terms (including scientific and technical terms) used herein have the commonly understood meanings to those skilled in the art. In addition, it can be understood that terms defined by commonly used dictionaries should be understood to have consistent meanings in the context of their related fields, and should not be understood as idealized or over...

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Abstract

The invention discloses a method and a system for analyzing an industrial network transmission protocol. The method comprises the steps of extracting statistical features of the industrial network transmission protocol; based on the statistical features, classifying control command messages in the industrial network transmission protocol via a machine learning method; segmenting different fields in the industrial network transmission protocol, and mapping the different fields to the control command messages, to recognize the different fields; and building an industrial network protocol state machine, and detecting the abnormal control command messages. According to the method and system provided by the invention, the important significance is provided for conducting researches in industrial control invasion detection, protocol security assessment and industrial protocol vulnerability discovery, and meanwhile the powerful support is provided foe ensuring the security of national infrastructures and core industrial control systems.

Description

technical field [0001] The present invention relates to the technical field of industrial network transmission protocols, and more specifically, to a method and system for analyzing industrial network transmission protocols. Background technique [0002] Network protocol analysis is an important content of network security. In the field of traditional network security, most viruses and Trojan horses spread and proliferate through network protocols. Therefore, after analyzing the network protocol, malicious behaviors such as viruses and Trojans can be detected and blocked. In addition, network protocol analysis is of great significance to network supervision. Some malicious groups disseminate bad content and information through special network protocols, and network protocol analysis can effectively restore the spread of bad information and locate the source of transmission, so as to achieve the effect of refined network supervision, which is of great significance to the co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06
CPCH04L63/1425H04L63/1433H04L63/1466H04L69/22
Inventor 王继业朱朝阳戴桦韩丽芳卢新岱应欢李霁远缪思薇韩嘉佳周亮邱意民余文豪
Owner CHINA ELECTRIC POWER RES INST
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