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Method and device for determining keywords

A technology for determining methods and keywords, applied in the field of communication, can solve problems such as low efficiency and inaccuracy

Active Publication Date: 2020-12-25
NSFOCUS INFORMATION TECHNOLOGY CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, a commonly used private protocol analysis method is: analyze the private protocol according to the keywords of multiple data packets, but at present, obtaining keywords generally needs to rely on the manual analysis of technicians, which is inefficient and not accurate enough

Method used

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  • Method and device for determining keywords
  • Method and device for determining keywords
  • Method and device for determining keywords

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Embodiment Construction

[0036] In order to make the purpose, technical solution and advantages of the application clearer, the application will be further described in detail below in conjunction with the accompanying drawings. The specific operation methods in the method embodiments can also be applied to the device embodiments or system embodiments.

[0037] figure 1 A schematic diagram of a possible system architecture provided for this application, such as figure 1 As shown, it includes: an analysis device 101 and a device under test 102. Wherein the analysis device 101 can be a personal computer, etc., and the device under test 102 can be an Internet of Things device, an industrial control system device, etc. The analysis device 101 captures the network communication data packet of the device under test 102, and analyzes the network communication data packet of the device under test 102, and determines the keyword information in the network communication data packet of the device under test 10...

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PUM

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Abstract

The invention provides a keyword determination method and device, and the method comprises the steps: obtaining N data packets sent by to-be-analyzed equipment, the N data packets being sent based ona network protocol of the to-be-analyzed equipment, one data packet comprising a payload sequence, and N being a positive integer; then according to the N payload sequences, determining keywords of the N data packets, wherein the keywords comprise one or more numerical values in the payload sequences; when the scheme passes, obtaining data packets sent based on the same network protocol, determining a keyword of the data packet according to the payload sequence in the data packet. One payload sequence can represent information transmitted by one data packet, so that the keywords are determinedaccording to the payload sequence more conveniently and accurately, and after the keywords are determined, the keywords can be used for analyzing the network protocol.

Description

technical field [0001] The present application relates to the field of communication technologies, and in particular to a keyword determination method and device. Background technique [0002] Internet-based applications are becoming more and more common, such as Internet of Things applications, industrial control systems, etc., are gradually using common Internet-based protocols for communication. Many of these applications will use unknown private protocols during the communication process. [0003] It is very important for technicians to analyze unknown private protocols. At present, a commonly used private protocol analysis method is: analyze the private protocol according to the keywords of multiple data packets, but at present, the acquisition of keywords generally needs to rely on the manual analysis of technicians, which is inefficient and not accurate enough. Contents of the invention [0004] The present application provides a keyword determination method and d...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/26
CPCH04L43/028H04L43/18
Inventor 吴子建
Owner NSFOCUS INFORMATION TECHNOLOGY CO LTD