Websites jump inexplicably. What is website hijacking from Baidu? How to solve Baidu snapshot hijacking

This year, 2 Month of the month , On the Internet, Shenma search hijacked Baidu search traffic , What netizens use Baidu search to enter the search result page is the result page of Shenma search .
Baidu search traffic incident is one of the manifestations of website hijacking . Website hijacking can also cause the following problems ：
1、 The user enters the normal URL and jumps to another address , As a result, users can't access it normally , Website traffic is damaged ;
2、 Through pan domain name resolution, a large number of subdomains are generated to point to other addresses , Jump to illegal website , Cause website weight to decrease ;
3、 Domain names are resolved to malicious phishing sites , Resulting in the loss of user property , Cause customer complaints ;
4、 Websites often pop up advertisements , Impact on the customer experience , Causing a decline in credibility .

So what exactly is website hijacking , What are the ways of website hijacking ？
1、 Search engine hijacking
Search engine hijacking is called search hijacking for short , In fact, the traffic from the search engine automatically jumps to the specified web page . This can be done without user authorization , Software implementation of automatically modifying the results of third-party search engine , Usually, such programs will add their own advertisements to the results of third-party search engines or join website links to obtain traffic, etc .
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Official address ：IIS7 Website monitoring
【 Whole station hijacking 】
The hijacker loaded... On the website page js or web Embed code in the server , Global hijacking website , Cause the whole website to jump to other websites .
【 Key words hijacking 】
For example, baidu searches a website for keywords , The result of Baidu search is correct , But after clicking in, it jumps to other illegal websites , And this kind of hijacking method jumps to some keywords , The hijacking method is relatively hidden .
【 Snapshot hijacking 】

Hackers get the website through technical means FTP Permission or database permission implant code 、 Add hijacking script , Write what he wants into a page code , On the home page Head Call under the tag , When the search engine visits the website, it grabs the title of the website - key word - When describing , Will grab the content he set .
2、 Network hijacking

【DNS hijacked （ Domain name hijacking ）】
DNS Hijacking is also called domain hijacking , It refers to intercepting domain name resolution requests within the hijacked network , Analyze the requested domain name , Release requests outside the scope of review , Otherwise return to fake IP Address or do nothing to make the request unresponsive , What makes a particular network inaccessible or inaccessible is other web sites .
【HTTP hijacked 】
When HTTP When hijacked , although DNS Domain name resolution IP The address remains the same , But hijacked the user's request in the process of interacting with the website . Before the website returns user information , Other requests are returned , Cause pop-up ads on normal websites , Even jump to other malicious websites .
3、 Browser hijacking

【 Third party plug-in hijacking 】
The browser home page is hijacked by rogue software home page. The plug-in tampers with the home page by modifying the browser configuration file , Added some links to websites that are usually avoided , Unable to browse some web pages , There are endless advertising pop ups .
4、 Router hijacking
By hijacking the router , Tamper with the router DNS Address , Control computer access to the network , When setting a malicious website as the home page or opening Taobao or other online shopping malls , The website will automatically jump to some promotion pages or pop-up advertisements appear on normal pages . And it can also monitor users' Internet access , Stealing user accounts 、 Bank card information, etc .