Looking for loopholes in the website, it is usually dedecsm, and there are some open back doors that are free of argument.

Some people use free source code to build a website, and the back door can be swept out with software.

Then upload the Trojan horse.

Pack and download.

The source code you can download is problematic, so it is meaningless. In addition, I hope to do less damage.

It is best to buy it in the right way.