Post

VulNyx Bunker靶机复盘

难度-Medium

VulNyx Bunker靶机复盘

网段扫描

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└─# arp-scan -l
Interface: eth0, type: EN10MB, MAC: 00:0c:29:df:e2:a7, IPv4: 192.168.26.128
WARNING: Cannot open MAC/Vendor file ieee-oui.txt: Permission denied
WARNING: Cannot open MAC/Vendor file mac-vendor.txt: Permission denied
Starting arp-scan 1.10.0 with 256 hosts (https://github.com/royhills/arp-scan)
192.168.26.1    00:50:56:c0:00:08       (Unknown)
192.168.26.2    00:50:56:e8:d4:e1       (Unknown)
192.168.26.197  00:0c:29:1b:da:11       (Unknown)
192.168.26.254  00:50:56:f7:71:cb       (Unknown)

5 packets received by filter, 0 packets dropped by kernel
Ending arp-scan 1.10.0: 256 hosts scanned in 1.958 seconds (130.75 hosts/sec). 4 responded

端口扫描

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└─# nmap -p- -sC -sV 192.168.26.197
Starting Nmap 7.94SVN ( https://nmap.org ) at 2025-01-21 22:33 EST
Nmap scan report for 192.168.26.197 (192.168.26.197)
Host is up (0.0019s latency).
Not shown: 65534 closed tcp ports (reset)
PORT   STATE SERVICE VERSION
80/tcp open  http    Apache httpd 2.4.59 ((Debian))
|_http-title: Apache2 Debian Default Page: It works
|_http-server-header: Apache/2.4.59 (Debian)
MAC Address: 00:0C:29:1B:DA:11 (VMware)

Service detection performed. Please report any incorrect results at https://nmap.org/submit/ .
Nmap done: 1 IP address (1 host up) scanned in 50.09 seconds

获取webshell

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└─# nmap -p- -sY 192.168.26.197
Starting Nmap 7.94SVN ( https://nmap.org ) at 2025-01-21 22:59 EST
Nmap scan report for 192.168.26.197 (192.168.26.197)
Host is up (0.0012s latency).
Not shown: 65533 closed sctp ports (abort)
PORT      STATE SERVICE
22/sctp   open  ssh
8080/sctp open  unknown
MAC Address: 00:0C:29:1B:DA:11 (VMware)

Nmap done: 1 IP address (1 host up) scanned in 62.58 seconds

发现存在这个sctp,但是http://不能直接访问

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这里端口转发利用socat就好了非常简单

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是一个tomcat的网站,我查了默认账号密码可能为admin,password和tomcat,tomcat所以我挨个试一下

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发现账号密码为tomcat,tomcat,这里上传是war直接找相应的reverse poc就行了

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可选择其他方案为选了另外的reverse方案,这个没成功

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提权

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无密码直接连接

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好了这个靶机结束了,整体还是非常简单的没有任何弯弯绕绕

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