HackTheBox - Curling

IppSec · Beginner ·🧠 Large Language Models ·7y ago

Key Takeaways

Exploits a HackTheBox challenge using Curling, Cewl, JoomScan, and Joomla brute forcing

Original Description

01:12 - Begin of Recon 01:55 - Running Cewl to generate a wordlist 02:50 - Finding secret.txt in the HTML Source, which happens to be the password 03:28 - Runninh JoomScan so we have something running in the background 04:20 - Checking the manifest to get the Joomla Version 06:20 - Explaining what equals mean in base64 07:50 - Begin of hunting for Joomla Username 08:30 - BruteForcing Joomla Login with WFUZZ 10:35 - Troubleshooting by sending wfuzz through burp 12:25 - Turns out the CSRF Token is tied to cookie, adding that to the wfuzz command 17:10 - Success! Logged into Joomla 17:58 - Gaining code execution by modifying a template 20:20 - Getting a reverse shell 23:20 - Finding the file: password_backup which is encoded 23:55 - Extracting password_backup manually with xxd, zcat, bzcat, tar 25:43 - Extracting Password_Backup with CyberChef 27:35 - Logging in with Floris 28:17 - Looking at /home/floris/AdminArea 28:50 - Testing the input file by changing the url to us 29:30 - Getting LFI by using file:// within curl 30:38 - Pulling the cron, to see what is going on 31:25 - Cron shows curl -K to use curl with a config file, checking man page. 32:05 - Changing where curl saves to, in order to gain a root shell 33:45 - Showing another good file to read with the LFI (logs) 34:18 - Using pspy to show when processes start/end, which shows the curl command with no exploits
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Playlist

Uploads from IppSec · IppSec · 0 of 60

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42 HackTheBox - Fulcrum
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43 HackTheBox - Chatterbox
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51 HackTheBox - Silo
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Chapters (25)

1:12 Begin of Recon
1:55 Running Cewl to generate a wordlist
2:50 Finding secret.txt in the HTML Source, which happens to be the password
3:28 Runninh JoomScan so we have something running in the background
4:20 Checking the manifest to get the Joomla Version
6:20 Explaining what equals mean in base64
7:50 Begin of hunting for Joomla Username
8:30 BruteForcing Joomla Login with WFUZZ
10:35 Troubleshooting by sending wfuzz through burp
12:25 Turns out the CSRF Token is tied to cookie, adding that to the wfuzz command
17:10 Success! Logged into Joomla
17:58 Gaining code execution by modifying a template
20:20 Getting a reverse shell
23:20 Finding the file: password_backup which is encoded
23:55 Extracting password_backup manually with xxd, zcat, bzcat, tar
25:43 Extracting Password_Backup with CyberChef
27:35 Logging in with Floris
28:17 Looking at /home/floris/AdminArea
28:50 Testing the input file by changing the url to us
29:30 Getting LFI by using file:// within curl
30:38 Pulling the cron, to see what is going on
31:25 Cron shows curl -K to use curl with a config file, checking man page.
32:05 Changing where curl saves to, in order to gain a root shell
33:45 Showing another good file to read with the LFI (logs)
34:18 Using pspy to show when processes start/end, which shows the curl command with
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