System and method for anti-phishing emails based on link domain name and user feedback

An email system and anti-phishing technology, applied in the field of filtering technology for phishing emails, can solve problems such as time-consuming identification, increased processing time, slow identification speed, etc., and achieve fast email processing speed, high real-time performance, and reliability high effect

Inactive Publication Date: 2010-03-10
杨辉
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of this type of method is that the recognition speed is slow, and the link in the email needs to be analyzed by DNS to obtain the page information where the link is located, and the DNS analysis process increases the proces...

Method used

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  • System and method for anti-phishing emails based on link domain name and user feedback
  • System and method for anti-phishing emails based on link domain name and user feedback
  • System and method for anti-phishing emails based on link domain name and user feedback

Examples

Experimental program
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Embodiment 1

[0056] Embodiment 1, the present invention analyzes the mail of plain text type

[0057] Figure 5 A principle flow chart of Embodiment 1 is given.

Embodiment 2

[0058] Embodiment two, the present invention is analyzed to the email of hypertext type

[0059] Image 6 The principle flow chart of the second embodiment is given.

[0060] The technical solution of the present invention will be further introduced below through the process of identifying specific types of phishing emails by the anti-phishing email system based on link domain names and user feedback, combined with the above two embodiments.

[0061] 1. Receiving e-mail on the Internet

[0062] Implement the SMTP protocol interaction process, receive emails sent to or from the controlled network, and store the full text of the emails;

[0063] 2. Analysis of network e-mail

[0064] Through the analysis of the mail type, it is obtained whether the mail is plain text or hypertext, and the header information such as the body information, mail character set type and transmission encoding are extracted from the mail; if the mail type is plain text, according to the character set...

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Abstract

The invention provides a system and a method for anti-phishing emails based on link domain name and user feedback. The system comprises an email receiving device, an email pre-processing device, an email property judging device, an outputting device and a feedback processing device. The method comprises the following steps: analyzing characteristics of the link domain name in the email, combiningwith a controlled network user feedback strategy, and identifying phishing emails and doubtful phishing emails. The invention has advantages of high identification efficiency, low resource consumptionand no error rate. The invention can be configured to email servers, gateway servers and the like that require high real-time performance, protect the controlled network user against cheating by thephishing emails, resist the interference from the spiteful user in the controlled network, and can be widely applied to the application fields of network email filtering management, anti-phishing attack and the like.

Description

(1) Technical field [0001] The invention relates to a network email filtering evaluation technology, in particular to a filtering technology for phishing emails. (2) Background technology [0002] As people rely more and more on the Internet to deal with business, financial and other issues, the number of phishing emails has also increased dramatically, and the forms are diversified. Phishing emails refer to the use of disguised emails to trick recipients into replying to designated recipients with information such as account numbers and passwords or direct recipients to connect to specially crafted webpages. These webpages usually pretend to be the same as real websites to convince log-ins , enter the credit card or bank card number, account name and password, etc. and be stolen. The e-mails will always be in the identity of a management organization, and the content usually involves information such as winning prizes, account numbers, and passwords. In particular, sites ...

Claims

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Application Information

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IPC IPC(8): H04L12/58H04L29/06
Inventor 杨武王巍苘大鹏朱文龙玄世昌邱文真
Owner 杨辉
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