digitalworld.local JOY
https://download.vulnhub.com/digitalworld/JOY.7z
靶场IP:192.168.32.201
扫描对外端口
┌──(root💀kali)-[/tmp]
└─# nmap -p 1-65535 -sV 192.168.32.201
Starting Nmap 7.92 ( https://nmap.org ) at 2022-09-05 01:35 EDT
Nmap scan report for 192.168.32.201
Host is up (0.00067s latency).
Not shown: 65523 closed tcp ports (reset)
PORT STATE SERVICE VERSION
21/tcp open ftp ProFTPD 1.2.10
22/tcp open ssh Dropbear sshd 0.34 (protocol 2.0)
25/tcp open smtp Postfix smtpd
80/tcp open http Apache httpd 2.4.25 ((Debian))
110/tcp open pop3 Dovecot pop3d
139/tcp open netbios-ssn Samba smbd 3.X - 4.X (workgroup: WORKGROUP)
143/tcp open imap Dovecot imapd
445/tcp open netbios-ssn Samba smbd 3.X - 4.X (workgroup: WORKGROUP)
465/tcp open smtp Postfix smtpd
587/tcp open smtp Postfix smtpd
993/tcp open ssl/imaps?
995/tcp open ssl/pop3s?
MAC Address: 00:0C:29:7A:57:E5 (VMware)
Service Info: Hosts: The, JOY.localdomain, JOY; OS: Linux; CPE: cpe:/o:linux:linux_kernel
Service detection performed. Please report any incorrect results at https://nmap.org/submit/ .
Nmap done: 1 IP address (1 host up) scanned in 14.43 seconds
ftp匿名访问登录

挂载FTP目录
查看directory文件
telnet越权访问目录
找到FTP版本为:1.3.5
查找FTP漏洞
配置payload

找到用户和密码
切换到patrick用户和查看sudo列表

因此我们决定将 /test 脚本替换为其他恶意脚本,但 /script 目录没有可写权限。

因此,我们再次决定使用 FTP 匿名登录来将真正的 /test 文件替换为伪造的 /test 文件,这将成为提供更高权限 shell 的后门。
提权成功。

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