HackTheBox - Crossfit2
Skills:
AI Security90%Defensive AI80%Security Basics70%Tool Use & Function Calling60%Systems Design Basics50%
00:00 - Intro
01:10 - Start of nmap and poking at website. Browser Developer Window shows WebSockets + Hostname
06:50 - Setting up full portscan and gobuster while we poke at the box, to always have recon running
09:10 - Ussing ffuf to fuzz for emails (Forgot to set header here, we look at it later)
11:20 - Playing with the websockets in BurpSuite, discovering SQL Injection
21:40 - Creating a python program to aid our SQL Injection
29:15 - SQL Injection: Enumerating information_schema to pull out table information
35:45 - Going back to test our previous ffuf to find out i forgot the header flag
42:00 - Using ffuf to fuzz parameters for the passwordreset php script and trying the token from Sql Injection
44:00 - Enumerating our SQL Users permissions and then including files
49:20 - RelayD configuration shows a new domain crossfit-club.htb, failing to sign up with an account
57:40 - Using grep to extract /api/ endoings from javascript files
1:03:00 - Discover the signup endpoint, only administrators can create accounts.
1:06:20 - Grabbing unbound secret keys which will let us create DNS Entries on the box
1:10:08 - Creating a domain name with unbound and then editing the Host header in the password reset
1:13:00 - Explaining the DNS Rebind attack to get around the server examining our DNS Name
1:19:30 - Start of XSS to have the user register an account for us
1:26:40 - Hitting the start of our XSS to debug, explain bypassing CORS based upon not escaping the period in the URL
1:34:20 - Changing our unbound request to use a domain name that bypasses CORS
1:37:15 - Appending a slash to the host header to bypass a regex
1:39:05 - The final XSS Payload to have an administrator create an account for us. Checking out the chat applicaiton
1:47:20 - Start of creating XSS to steal Direct Messages from chat application
1:51:00 - Creating a second account, so we can examine how DM's work in the chat application (use wireshark to do this)
1:54:50 - Finishing off the XSS Script
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Chapters (24)
Intro
1:10
Start of nmap and poking at website. Browser Developer Window shows WebSocket
6:50
Setting up full portscan and gobuster while we poke at the box, to always have
9:10
Ussing ffuf to fuzz for emails (Forgot to set header here, we look at it later
11:20
Playing with the websockets in BurpSuite, discovering SQL Injection
21:40
Creating a python program to aid our SQL Injection
29:15
SQL Injection: Enumerating information_schema to pull out table information
35:45
Going back to test our previous ffuf to find out i forgot the header flag
42:00
Using ffuf to fuzz parameters for the passwordreset php script and trying the
44:00
Enumerating our SQL Users permissions and then including files
49:20
RelayD configuration shows a new domain crossfit-club.htb, failing to sign up
57:40
Using grep to extract /api/ endoings from javascript files
1:03:00
Discover the signup endpoint, only administrators can create accounts.
1:06:20
Grabbing unbound secret keys which will let us create DNS Entries on the box
1:10:08
Creating a domain name with unbound and then editing the Host header in the pa
1:13:00
Explaining the DNS Rebind attack to get around the server examining our DNS Na
1:19:30
Start of XSS to have the user register an account for us
1:26:40
Hitting the start of our XSS to debug, explain bypassing CORS based upon not e
1:34:20
Changing our unbound request to use a domain name that bypasses CORS
1:37:15
Appending a slash to the host header to bypass a regex
1:39:05
The final XSS Payload to have an administrator create an account for us. Chec
1:47:20
Start of creating XSS to steal Direct Messages from chat application
1:51:00
Creating a second account, so we can examine how DM's work in the chat applic
1:54:50
Finishing off the XSS Script
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