Tags: osint 

Rating:

OSINT - Find the needle...

Challenge description:

2

<br/><br/>

Solution:

To solve this challenge, I used ripe.net

image

image

<br/><br/>

Using (RIPE Database Text Search), I searched for 194.210

image

<br/><br/>

I got 80 inetnum search results:

image

<br/><br/>

Note:

image

<br/><br/>

Then I checked every inetnum in the search results pages, and I found this interesting one in page 6:

image

<br/><br/>

66 6c 61 67 7b 75 73 45 5f 41 5f 62 69 67 5f 6d 40 67 6e 33 74 21 7d

<br/><br/>

image

<br/><br/>

flag{usE_A_big_m@gn3t!}

Original writeup (https://github.com/Cyb3rDoctor/e-Jornadas_CTF/blob/main/Find_the_needle.md).