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Malicious code detection method and system

A malicious code detection, detection point technology, applied in the field of computer anti-virus, can solve the problem of slow heuristic detection, unknown virus detection ability and other problems

Active Publication Date: 2011-11-16
SHENZHEN ANZHITIAN INFORMATION TECH
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Problems solved by technology

[0003] The present invention provides a malicious code detection method and system, which solves the problems of no detection ability and slow heuristic detection speed for unknown viruses based on binary signature codes, and improves the cross-platform detection ability

Method used

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  • Malicious code detection method and system
  • Malicious code detection method and system

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Embodiment Construction

[0043] In order to enable those skilled in the art to better understand the technical solutions in the embodiments of the present invention, and to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the technical solutions in the present invention will be further detailed below in conjunction with the accompanying drawings illustrate.

[0044] The invention provides a malicious code detection method and system, which solves the problems of no detection ability for unknown viruses based on binary signature codes and slow heuristic detection speed, and improves the cross-platform detection ability.

[0045] A malicious code detection method, such as figure 1 shown, including:

[0046] S101: Load at least one virus signature database, the virus signature database includes detection points, identifications, characteristics and detection results corresponding to the detection points;

[0047] S102: Analyzing wh...

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Abstract

The invention relates to the field of anti-virus of computers and provides a malicious code detection method and system. The method combines binary system feature codes and heuristic detection and comprises the following steps of: loading a virus feature base, a detection point and a detection identifier by taking an unknown virus detection method as a feature point; analyzing a detection target, and if the detection point appears, recording the identifier corresponding to the detection point; judging whether to convert and shorten the identifier; matching the processing result which is regarded as a feature with features in the loaded virus feature base; judging whether to carry out secondary detection; if so, detecting by using a next virus feature base; otherwise, reporting the result. By the adoption of the method and the system provided by the invention, the problem of low speed of the heuristic detection is solved; in addition, since a feature acquisition method and the detection method are separated, the capacity of cross-platform detection is improved.

Description

technical field [0001] The invention relates to the field of computer anti-virus, in particular to a malicious code detection method and system. Background technique [0002] With the popularization of computers and the development of network technology, computer viruses are also increasingly rampant, and the detection methods of malicious codes are also constantly improving. Now the detection of malicious codes can be detected based on binary signatures and behavioral heuristics. The detection method based on the binary signature is fast, but it has no detection ability for unknown viruses; the behavior heuristic detection can detect unknown viruses, but the performance is not as fast as the detection method of the binary signature, and sandboxes are used for dynamic behavior analysis. Possibility, poor cross-platform detection ability and poor maintainability. Contents of the invention [0003] The invention provides a malicious code detection method and system, which s...

Claims

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Application Information

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IPC IPC(8): G06F21/00G06F21/56
Inventor 关墨辰肖新光
Owner SHENZHEN ANZHITIAN INFORMATION TECH
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