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Method and device for fast recognizing viruses

A virus and fast technology, applied in the field of computer security, can solve problems such as weak update speed, and achieve the effect of easy killing and long characteristic half-life

Inactive Publication Date: 2014-02-19
IYUNTIAN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional engine adopts the method of fixed file offset matching feature, which is very weak in the face of very fast virus update speed, because the virus author or anti-killer can simply modify it to form a virus that cannot be detected by anti-virus software. virus variant

Method used

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  • Method and device for fast recognizing viruses
  • Method and device for fast recognizing viruses

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Embodiment Construction

[0017] In order to make the objectives, technical solutions, and advantages of the present invention clearer, the embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0018] The embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings, in which the same or similar reference numerals indicate the same or similar elements or elements with the same or similar functions. The embodiments described below with reference to the drawings are exemplary, and are only used to explain the present invention, but should not be understood as limiting the present invention. On the contrary, the embodiments of the present invention include all changes, modifications and equivalents falling within the scope of the spirit and connotation of the appended claims.

[0019] In the description of the present invention, it should be understood that the terms "first...

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Abstract

The invention provides a method and device for fast recognizing viruses. The method includes the steps that a pattern string which a first sample belongs to according to classification is acquired, and the first sample is a suspected virus file; the pattern string is matched in the first sample through a multi-model algorithm; if the pattern string is matched in the first sample, the first sample is recognized for the second time; if the result of the second recognition meets the preset conditions, the first sample is recognized as the virus file. The device comprises an acquisition module, a matching module and a recognition module. With the scheme, the virus file can be recognized fast and effectively.

Description

Technical field [0001] The invention relates to the field of computer security, in particular to a method and device for quickly identifying viruses. Background technique [0002] With the development of computer technology and computer programming, the number of viruses has risen very rapidly, and the update speed is also very fast. The traditional engine adopts the method of fixed file offset matching feature, which is very weak in the face of very fast virus update speed, because the virus author or the anti-virus can only be modified simply to form an anti-virus software that cannot be detected. Virus variants. Summary of the invention [0003] The purpose of the present invention is to provide a method and device for quickly identifying viruses. [0004] To achieve the above objective, on the one hand, the present invention provides a method for quickly identifying viruses, including: [0005] Obtain the pattern string of the classification to which the first sample belongs, w...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F21/56
CPCG06F21/56
Inventor 杨哲周吉文
Owner IYUNTIAN
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