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Method, system and gateway device for detecting phishing websites

A technology for phishing websites and gateway equipment, which is applied in transmission systems, electrical components, etc. It can solve problems such as the difficulty of updating blacklists in time, the short life cycle of phishing websites, and the difficulty in obtaining protection effects. It achieves good protection effects, strong pertinence, The effect of accurate test results

Active Publication Date: 2012-07-25
SANGFOR TECH INC
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  • Summary
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AI Technical Summary

Problems solved by technology

Blacklist technology is simple to implement, but the problem is that it is very difficult to update the blacklist in time; new phishing websites have a short life cycle and will emerge in large numbers in a certain period of time, so the lag of blacklist technology is also getting worse. It is becoming more and more obvious that it is difficult to achieve the expected protective effect

Method used

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  • Method, system and gateway device for detecting phishing websites
  • Method, system and gateway device for detecting phishing websites
  • Method, system and gateway device for detecting phishing websites

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Embodiment Construction

[0031] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0032] figure 1 is a flowchart of a method for detecting phishing websites according to an embodiment of the present invention. refer to figure 1 , it can be seen that the method includes the following steps:

[0033] In step S1, the website that needs to be protected is set, and the domain name of the website that needs to be protected and the global characteristics of the page are stored; this step is generally completed on the client 1, because the websites that need to be protected are generally bank websites or some e-commerce websites, And these websites are often fake websites that phishi...

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Abstract

The invention discloses a method for detecting phishing websites, which comprises the following steps: setting a website required to be protected; replacing corresponding characters in a domain name of the website with similar characters, wherein, a new similar domain name is formed through each replacement; carrying out matching on a domain name for accessing and a similar domain name by the gateway device so as to obtain a first similar value N of the two; comparing the first similar value N with a first preset value N1, if N is greater than N1, carrying out further direction, otherwise, ending the detection; respectively calculating the global features of an accessed page and the page of the website required to be protected, obtaining a second similar value N' through a similarity algorithm, comparing the second similar value N' with a second preset value N2, when N' is greater than N2, making an alarm; otherwise, ending the detection. The invention also discloses a system and a gateway device for detecting phishing websites. The method, system and gateway device for detecting phishing websites disclosed by the invention are accurate in detection, strong in pertinence, and good in protective effect.

Description

technical field [0001] The invention relates to network defense technology, more specifically, to a method, system and gateway device for detecting phishing websites. Background technique [0002] Phishing websites usually refer to illegal websites that pretend to be bank websites or e-commerce websites to steal private information such as bank account numbers and passwords submitted by users. Some illegal users forge some phishing websites that look like real ones, and tempt victims to operate according to their intentions, so as to obtain users' private information, so as to achieve the purpose of obtaining users' benefits. With the popularity of online shopping in recent years, phishing incidents have become more and more frequent on the Internet, which has brought great losses to the masses. At the same time, the development of network technology has also brought new changes to phishing websites, which are often more confusing and bring great challenges to traditional d...

Claims

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Application Information

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IPC IPC(8): H04L29/06
Inventor 罗焱
Owner SANGFOR TECH INC
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