Shulou(Shulou.com)06/01 Report--

Why is there a black chain on the website? This shows that the safety factor of the site is low, generally speaking, there are many vulnerabilities in the site program, such as BUG, or the background password setting of site management is too simple.

So, how do we first detect whether there is a black chain?

IIS7 website monitoring

Test whether the website is hijacked, whether the domain name is walled and so on.

In today's website construction, generally use a better system, in the website construction is simple, convenient, fast, but if not very good secondary development, there should be a lot of BUG, after the website in the operation process is easy to be attracted by some all-pervasive gray industry.

Let's get back to business and talk about how to judge whether a website is blacklinked or not.

Use the command in the search box: domain

When analyzing whether the website is hacked, you can enter the outer chain query command domain+ home page url, such as domain:www.xxxx.com, the site is an a-optimized site. When using the external chain query command for analysis, you find an title exception, and its Description also contains some keywords that are not related to the site, such as: "xxx is the first professional × ×" in China.

If it is found that the above situation, it is enough to show that the site has been the scourge of some grey industry websites.

Click on the snapshot for further analysis

After clicking on the snapshot, you will see a lot of such films when you pull down. There must be something wrong with the fact that there are so many unrelated pictures of sexy beauties on a website.

Next, if you continue to pull down to the bottom, you will find a lot of anchor text from the grey industry.

Like anchor text in the front end is generally hidden and can only be found in the source code.

Check the source code of the website

Or stay in the snapshot page, click the right mouse button to view the source code

From looking at the source code, we can see that there are all kinds of grey industry links, of course, now that we have found the root cause of the disease, it is much easier to deal with it.

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