Explanation and Writeup for "Echoes in Stone" OSINT Challenge
Here's how the answer was found and a writeup for the challenge:
How the Answer Was Found:
- Image Analysis: The primary piece of information provided was the image file
echoesinthestone.jpg.
- Identification: The image analysis identified the Celtic High Cross as likely being Muiredach's High Cross located in Monasterboice, County Louth, Ireland.
- HTB Flag Formatting: The challenge specified the flag format as
HTB{Name_High_Cross}and provided an exampleHTB{Kells_High_Cross}. It also stated two crucial constraints:
- No special characters should be used.
- The letter 's' should be avoided.
- Applying Constraints:
- Starting with the identified name: "Muiredach's High Cross".
- Removing the letter 's': "Muiredach' High Cross".
- Removing the apostrophe (a special character): "Muiredach High Cross".
- Formatting the result according to the flag format:
HTB{Muiredach_High_Cross}.