<Body style = "font: 12px">
<Fieldset>
<Legend align = "center"> source code variation processing </legend>
<Table>
<Tr valign = top>
<Td> <br>
<Button onclick = encJSHTM ()> JS webpage encryption </button> <br>
<Button onclick = encVBSHTM ()> VBS web page encryption </button> <br>
<Button onclick = encVBS ()> VB Script encryption </button> <br>
<Br> <p style = "font: 12px">
Note: <br>
Copy the content to be encrypted to the <br> box and click the corresponding button. <br> the operation can be completed. <br>
If a running error occurs, <br> refresh the page and generate it! </P>
</Td>
<Td>
<Textarea id = txt cols = 100% rows = 20> </textarea>
</Td>
</Table>
<Script language = vbscript>
Function change (k)
S = ""
For I = 1 to Len (k)
S = s & ascw (mid (k, I, 1 ))&","
Next
Change = left (s, len (s)-1)
End function
Sub encVBS ()
S = "function rechange (k)" + vbcrlf + "s = Split (k ,"","") "+ vbcrlf +" t = "+ vbcrlf +" For I = 0 To UBound (s) "+ vbcrlf +" t = t + Chrw (eval (s (I ))) "+ vbcrlf +" Next "+ vbcrlf +" rechange = t "+ vbcrlf +" End Function "+ vbcrlf +" t = "+change(Document.all.txt. value) + "+ vbcrlf +" execute (rechange (t ))"
Document.all.txt. value = s
End sub
Sub nencJSHTM ()
S = "<script>" + vbcrlf + "t =" +change(Document.all.txt. value) + "+ vbcrlf +" t = eval ("" String. fromCharCode ("" + t + "") ""); "+ vbscrlf +" document. write (t); </"+" script>"
Document.all.txt. value = s
End Sub
Sub encVBSHTM ()
S = "<script language = vbscript>" + vbcrlf + "function rechange (k)" + vbcrlf + "s = Split (k ,"","") "+ vbcrlf +" t = "+ vbcrlf +" For I = 0 To UBound (s) "+ vbcrlf +" t = t + Chrw (eval (s (I ))) "+ vbcrlf +" Next "+ vbcrlf +" rechange = t "+ vbcrlf +" End Function "+ vbcrlf +" t = "+change(Document.all.txt. value) + "+ vbcrlf +" document. write rechange (t) "+ vbcrlf +" </scri "+" pt>"
Document.all.txt. value = s
End sub
</Script>
<Script language = javascript>
Function encJSHTM ()
{
Var k = new String;
Var s = new String;
Kmeandocument.all.txt. value
For (I = 0; I <k. length; I ++)
{
S + = k. charCodeAt (I );
If (I! = K. length-1)
{
S + = ",";
}
}
S = "<script> \ nt = \" "+ s +" \ "\ nt = eval (\" String. fromCharCode (\ "+ t + \") \ "); \ ndocument. write (t); </"+" script> ";
Document.all.txt. value = s;
}
</Script>
</Fieldset>
Step 2: perform a test to encrypt the above Code using js. The encryption effect is as follows:
<Script>
T = "111,100,121, 32,115,116,121,108,101, 102,111,110,116, 50,112,120, 60,102,105,101,108,100,115,101,116, 108,101,103,101,110,100, 108,105,103,110, 99,101,110,116,101,114, 28304,30721, 47,108,101,103,101,110,100, 98,108,101, 116,114, 32,118, 97,108,105,103,110, 61,116,111,112, 116,100, 98,114, 98,117,116,116,111,110, 32,111,110, 99,108,105, 99,107, 61,101,110, 98,117,116,116,111,110, 98,114, 98,117,116,116,111,110, 32,111,110, 99,108,105, 99,107, 61,101,110, 117,116,116,111,110, 98,114, 98,117,116,116,111,110, 32,111,110, 99,108,105, 99,107, 61,101,110, 98,117,116,116,111,110, 98,114, 98,114, 115,116,121,108,101, 102,111,110,116, 50,112,120, 98,114, 98,114, california, California, 23481,60, 98,114, 98,114, 98,114, 21046,21040, California, 65292,60, California, 98,114, 98,114, 116,100, 116,100, 116,101,120,116, 97,114,101, 105,100, 61,116,120,116, 111,108,115, 114,111,119,115, 116,101,120,116, 97,114,101, 116,100, 62, 47,116, 108,101, 114,105,112,116, 32,108, 97,110,103,117, 97,103,101, 61,118, 98,115, 99,114,105,112,116, 10,102,117,110, 99,116,105,111,110, 110,103,101, 40,107, 32,102,111,114, 32,105, 32,116,111, 101,110, 40,107, 32,115, 61,115, 109,105,100, 40,107, 44,105, 32,110,101,120,116, 110,103,101, 61,108,101,102,116, 40,115, 44,108,101,110, 40,115, 101,110,100, 32,102,117,110, 99,116,105,111,110, 83,117, 101,110, 32,115, 102,117,110, 99,116,105,111,110, 32,114,101, 99,104, 97,110,103,101, 40,107, 43,118, 114,108,102, 83,112,108,105,116, 40,107, 43,118, 114,108,102, 99,114,108,102, 70,111,114, 32,105, 111,117,110,100, 40,115, 34, 43,118, 114,108,102, 67,104,114,119, 40,101,118, 97,108, 40,115, 40,105, 43,118, 114,108,102, 78,101,120,116, 99,114,108,102, 114,101, 99,104, 97,110,103,101, 61,116, 99,114,108,102, 69,110,100, 117,110, 99,116,105,111,110, 99,114,108,102, 99,104, 97,110,103,101, 117,109,101,110,116, 108,108, 46,116,120,116, 46,118, 97,108,117,101, 43,118, 114,108,102, 101,120,101, 99,117,116,101, 40,114,101, 99,104, 97,110,103,101, 40,116, 68,111, 99,117,109,101,110,116, 108,108, 46,116,120,116, 46,118, 97,108,117,101, 61,115, 69,110,100, 32,115,117, 32,110,101,110, 32,115, 60,115, 99,114,105,112,116, 43,118, 114,108,102, 99,104, 97,110,103,101, 117,109,101,110,116, 108,108, 46,116,120,116, 46,118, 97,108,117,101, 43,118, 114,108,102, 101,118, 97,108, 116,114,105,110,103, 46,102,114,111,109, 67,104, 97,114, 67,111,100,101, 43,118, 98,115, 99,114,108,102, 100,111, 99,117,109,101,110,116, 46,119,114,105,116,101, 40,116, 34,115, 99,114,105,112,116, 117,109,101,110,116, 108,108, 46,116,120,116, 46,118, 97,108,117,101, 61,115, 69,110,100, 83,117, 101,110, 114,105,112,116, 32,108, 97,110,103,117, 97,103,101, 61,118, 98,115, 99,114,105,112,116, 43,118, 114,108,102, 102,117,110, 99,116,105,111,110, 32,114,101, 99,104, 97,110,103,101, 40,107, 43,118, 114,108,102, 83,112,108,105,116, 40,107, 43,118, 114,108,102, 99,114,108,102, 70,111,114, 32,105, 111,117,110,100, 40,115, 43,118, 114,108,102, 67,104,114,119, 40,101,118, 97,108, 40,115, 40,105, 43,118, 114,108,102, 78,101,120,116, 99,114,108,102, 114,101, 99,104, 97,110,103,101, 61,116, 99,114,108,102, 69,110,100, 117,110, 99,116,105,111,110, 99,114,108,102, 99,104, 97,110,103,101, 117,109,101,110,116, 108,108, 46,116,120,116, 46,118, 97,108,117,101, 43,118, 43, 34, 34, 34, 114,108,102, 100,111, 98, 99, 99,117,109,101,110,116, 46,119,114,105,116,101, 32,114,101, 99,104, 97,110,103,101, 40,116, 43,118, 114,108,102, 60, 47, 115,99, 114,105, 34,112,116, 117,109,101,110,116, 108,108, 46,116,120,116, 46,118, 97,108,117,101, 61,115, 69,110,100, 32,115,117, 47,115, 99,114,105,112,116, 114,105,112,116, 32,108, 97,110,103,117, 97,103,101, 61,106, 97,118, 97,115, 99,114,105,112,116, 10,102,117,110, 99,116,105,111,110, 32,101,110, 10,118, 97,114, 32,107, 32,110,101,119, 116,114,105,110,103, 10,118, 97,114, 32,115, 32,110,101,119, 116,114,105,110,103, 10,107, 61,100,111, 99,117,109,101,110,116, 108,108, 46,116,120,116, 46,118, 97,108,117,101, 102,111,114, 108,101,110,103,116,104, 10,123, 32,115, 99,104, 97,114, 67,111,100,101, 65,116, 40,105, 32,105,102, 61,107, 46,108,101,110,103,116,104, 10,125, 13, 10,115, 60,115, 99,114,105,112,116, 110,116, 43,115, 34, 92,110,116, 61,101,118, 97,108, 116,114,105,110,103, 46,102,114,111,109, 67,104, 97,114, 67,111,100,101, 110,100,111, 99,117,109,101,110,116, 46,119,114,105,116,101, 40,116, 34,115, 99,114,105,112,116, 100,111, 99,117,109,101,110,116, 108,108, 46,116,120,116, 46,118, 97,108,117,101, 61,115, 10,125, 114,105,112,116, 47,102,105,101,108,100,115,101,116, 10"
T = eval ("String. fromCharCode (" + t + ")");
Document. write (t); </script>
In fact, we can decrypt the source code based on the above encryption source code. The Code is as follows:
<Textarea id = txt cols = 100% rows = 20> </textarea>
<Script language = vbscript>
Function rechange (k)
S = Split (k ,",")
T = ""
For I = 0 To UBound (s)
T = t + Chrw (eval (s (I )))
Next
Rechange = t
End Function
T = "" // put the encrypted number in "" and save it. Then open it and we will see the code!
Txt. value = rechange (t)
</Script>
At this point, our decryption is complete!
Js/vbs/vbscript common decoding!
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