Dark web electronic data extraction fixing method

Abstract

The invention provides a dark web electronic data extraction fixing method. The method comprises the steps: extracting and fixing dark web webpage data and transaction data through a web crawler technology, calculating an integrity check value of electronic data, and finally presenting a result at the front end of a dark web online evidence obtaining system in a visual form. Webpage crawling of a Tor-based dark web illegal shopping mall and extraction and fixation of illegal transaction text information in a website are realized, crawled clues or evidence files are stored in a database and can be presented to case handling personnel in a visual form, and the whole crawling and fixing process does not influence normal operation of a dark web website; the method has higher accuracy and concealment, and an effective evidence obtaining method is provided for dark web-related cases. In this way, manual operation of investigation personnel can be greatly reduced, and daily working efficiency can be improved.

Description

technical field [0001] The invention belongs to the technical field of electronic data forensics, and relates to a method for extracting and fixing dark net electronic data. Background technique [0002] The anonymity of the dark web makes it difficult to ascertain users' personal information; the content of communications is difficult to monitor, so the dark web has become a gathering place for criminals to engage in activities that endanger society and national security. The number of illegal transactions is huge and the content involves many fields. Common The transaction content includes citizens' personal information, drugs and poisonous substances, etc., which poses a serious threat to social security, and it is urgent to crack down on crimes on the dark web. [0003] With the development of the dark web, the number of cases involving illegal websites on the dark web will also rise sharply. The facts of the crime are not limited to the transaction of citizen informatio...

AI Technical Summary

Problems solved by technology

[0002] The anonymity of the dark web makes it difficult to ascertain users' personal information; the content of communications is difficult to monitor, so the dark web has become a gathering place for criminals to engage in activities that endanger society and national security. The number of illegal transactions is huge and the content involves many fields. Common The transaction content includes citizens' personal information, drugs and poisonous substances, etc., causing serious harm to social security, and it is urgent to crack down on crimes on the dark web

[0003] With the development of the dark web, the number of cases involving illegal websites on the dark web will also rise sharply. The facts of the crime are not limited to the transaction of citizen information. It has become a major problem for the public security organs to handle cases

Investigators mainly face the following difficulties in obtaining evidence on the dark web: (1) the life cycle of a large number of illegal websites on the dark web is very short; (2) criminals will quickly delete traces of cyber crimes after committing crimes; (3) How to save and manage the complex and massive data of dark web websites; (4) At the moment when the fight against domestic dark web crimes has just started, there is a lack of market-oriented forensics products specifically for dark web

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