First of all, to do the basics, first and foremost task is to turn off the machine not only allows you to specify the port or the port access; Second, we must use special software to kill Trojan horse, in order to effectively prevent Trojan backdoor; The third is to learn the process operation, and always pay attention to system operating conditions, to see if there is some unknown process is running and in a timely manner to clear out the process terminates.
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Corporate website describes the background against method
Back door in the back door to the chicken from the webshell
I have been to emphasize one thing, the network is the most important offensive and defensive thinking. This article was inspired by the security team 365 days a chapter manuscript, the manuscript referred to a type of backdoor software AspxSpy of Asp.net in the security sector has recently been popular back door in the back door, which includes the back door by giving a Webshell procedures, many black are out of work Kengchihangchi, and gives the owner the back door, but in the back unawares few Webshell, such a back door in the back door there are two general types, one is directly linked to horse bring direct benefits; Another is to capture black under the Webshell address, user name and password all give back, another way is that black control of the server, which is my server. This article is inspired by the start of this study, through the study found that this method can also get a lot of the back door, and some can directly control the server.