Remove excel password using brute force attack algorithm - VBA Expert

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Sub remove_worksheet_password()

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Dim i As Integer, j As Integer, k As Integer
Dim l As Integer, m As Integer, n As Integer
Dim i1 As Integer, i2 As Integer, i3 As Integer
Dim i4 As Integer, i5 As Integer, i6 As Integer
 
On Error Resume Next
 
      For i = 65 To 66: For j = 65 To 66: For k = 65 To 66
      For l = 65 To 66: For m = 65 To 66: For i1 = 65 To 66
      For i2 = 65 To 66: For i3 = 65 To 66: For i4 = 65 To 66
      For i5 = 65 To 66: For i6 = 65 To 66: For n = 32 To 126
          
              ActiveSheet.Unprotect Chr(i) & Chr(j) & Chr(k) & _
              Chr(l) & Chr(m) & Chr(i1) & Chr(i2) & Chr(i3) & _
              Chr(i4) & Chr(i5) & Chr(i6) & Chr(n)
              Debug.Print Chr(i) & Chr(j) & Chr(k) & _
              Chr(l) & Chr(m) & Chr(i1) & Chr(i2) & Chr(i3) & _
              Chr(i4) & Chr(i5) & Chr(i6) & Chr(n)
       
      If ActiveSheet.ProtectContents = False Then
              MsgBox "one usable password is " & Chr(i) & Chr(j) & Chr(k) & _
              Chr(l) & Chr(m) & Chr(i1) & Chr(i2) & Chr(i3) & _
              Chr(i4) & Chr(i5) & Chr(i6) & Chr(n)
              Exit Sub
      End If
      
      
      Next: Next: Next: Next: Next: Next:
      Next: Next: Next: Next: Next: Next:
      
End Sub