HackTheBox - Aragog

IppSec · Beginner ·🔧 Backend Engineering ·8y ago

Key Takeaways

Exploits XXE vulnerability on a HackTheBox machine using FTP and PHP

Original Description

01:26 - Start of Recon 03:25 - Notice SSH configured for Pub Key Only. Hint at what to grab later! 03:50 - Grabbing test.txt off ftp server via anonymous auth 04:07 - Determining if I want to go down the "Exploit VSFTPD" rabbit hole 05:54 - Viewing test.txt and hosts.php 06:48 - Figuring out how hosts.php works and discovering XXE 08:58 - Start of XXE Discovery 10:16 - Making the XXE Output /etc/passwd 11:33 - Encoding output in Base64 in order to view PHP Files 12:58 - Using Burp Intruder to BruteForce Files 16:20 - Creating a program to bruteforce home directories 26:41 - Program Finished. Finding SSH ID_RSA Key 28:15 - Low Priv Access Granted 30:24 - LinEnum.sh shows Wordpress CHMOD'd to 777 31:05 - Examining Wordpress Site (big hint left by author) 32:10 - Enumerating MySQL Database 35:15 - Giving up on MySQL, lets edit PHP Files to dump passwords! 36:50 - Identifying the file we want to backdoor 37:51 - Placing our PHP Code 42:06 - Got the password!
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Uploads from IppSec · IppSec · 49 of 60

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Related Reads

Chapters (20)

1:26 Start of Recon
3:25 Notice SSH configured for Pub Key Only. Hint at what to grab later!
3:50 Grabbing test.txt off ftp server via anonymous auth
4:07 Determining if I want to go down the "Exploit VSFTPD" rabbit hole
5:54 Viewing test.txt and hosts.php
6:48 Figuring out how hosts.php works and discovering XXE
8:58 Start of XXE Discovery
10:16 Making the XXE Output /etc/passwd
11:33 Encoding output in Base64 in order to view PHP Files
12:58 Using Burp Intruder to BruteForce Files
16:20 Creating a program to bruteforce home directories
26:41 Program Finished. Finding SSH ID_RSA Key
28:15 Low Priv Access Granted
30:24 LinEnum.sh shows Wordpress CHMOD'd to 777
31:05 Examining Wordpress Site (big hint left by author)
32:10 Enumerating MySQL Database
35:15 Giving up on MySQL, lets edit PHP Files to dump passwords!
36:50 Identifying the file we want to backdoor
37:51 Placing our PHP Code
42:06 Got the password!
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