Malicious script detection method and device, electronic device and storage medium

A technology of malicious scripts and detection methods, applied in computer security devices, electronic digital data processing, instruments, etc., can solve problems such as failure to obtain sandbox, sandbox escape, static scanning technology failure, etc., to avoid test failure and improve effective sexual effect

Inactive Publication Date: 2018-12-07
ZHUHAI BAOQU TECH CO LTD
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  • Abstract
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AI Technical Summary

Problems solved by technology

However, in cases where JavaScript uses encryption, static scanning techniques fail
On the other hand, in the sandbox technology, the anti-virus software is used to hook the core functions in the JavaScript analysis engine, so that when the JavaScript script runs to the preset condition (such as the completion of the decryption operation), it will be intercepted by the anti-virus software and perform feature matching. It can avoid the ineffectiveness of detection caused by script encryption, but due to the large number of JavaScript engine versions, it is almost impossible to obtain a sandbox compatible with all engines, and once some important hook points are missed, it will still cause sandbox escape. Therefore, the sandbox technology is not only complicated to implement, but also the effectiveness of malicious script detection cannot be guaranteed

Method used

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  • Malicious script detection method and device, electronic device and storage medium
  • Malicious script detection method and device, electronic device and storage medium
  • Malicious script detection method and device, electronic device and storage medium

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Embodiment Construction

[0080] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0081] Please refer to figure 1 , figure 1 It is a schematic flowchart of a detection method for a malicious script provided by an embodiment of the present invention. As shown in the figure, the method in the embodiment of the present invention includes:

[0082] S101. Load the script code in the target script file into the virtual system for simulation operation.

[0083] In the specific implementation, a virtual system can be established first, w...

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Abstract

The invention discloses a malicious script detection method and device, an electronic device and a storage medium. The method includes the steps of loading the script code in a target scrip file to avirtual system for simulation running; scanning the script code and obtaining the characteristic information of the script code in the script code simulation running process; according to the characteristic information of the script code, determining whether the target script file is a malicious script file. Through adoption of the embodiment of the invention, the effectiveness of malicious scriptdetection can be improved.

Description

technical field [0001] The invention relates to the technical field of computer applications, in particular to a detection method, device, electronic equipment and storage medium for malicious scripts. Background technique [0002] JavaScript is a common WEB scripting language. Because of its advantages of providing dynamic pages and making different responses according to user input, JavaScript has become the scripting language chosen for almost all front-end development of websites, but it is also because it can run dynamically With the feature of completing specific functions, JavaScript script files often become the source of malicious codes, posing a serious threat to the safe operation of user terminals. [0003] Existing JavaScript script code detection technologies include static scanning technology and sandbox technology. Among them, on the one hand, the static scanning technology matches the script code of the target JavaScript file with the collected virus signat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F21/56
CPCG06F21/562G06F21/566
Inventor 王鑫
Owner ZHUHAI BAOQU TECH CO LTD
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