repo

In the realm of SSL certificates, the potential for attackers to gather substantial information through passive means is significant. This includes uncovering subdomains, mapping networks, checking assets and services. Your assignment involves retrieving the postal code and serial number linked to certification ID 7969287 and specified flag values.
flag format: BAU{postalCode_serialNumber_flag1_flag2}
Note: in order to retrieve the postal code and serial number linked to certification ID 7969287 you need to find the correct website
download the following text file: repo.txt

when we download the repo.txt and open it I found a suspicious texts patterns

{LOL_YOU_THOUGHT_YOU_FOUND_ME}

as the question name suggests repo related to repository this is the folder name in GitHub so I’ll search for the founded text {LOL_YOU_THOUGHT_YOU_FOUND_ME} as a repository in GitHub

Let’s download the repository and check it’s contents → git clone https://github.com/sameerfakhoury/-LOL_YOU_THOUGHT_YOU_FOUND_ME-.git
let’s discover this repository

as we see there are many flags.txt

let’s use grep command to check flag keyword → grep -i -r "flag" .

as we see almost all of them have flag keyword

make opposite of step5 and check non flag → grep -i -r -v "flag" .

we have flag1 value Delaware

going to the other folder called others we have tow files

check the http.txt file

we have many lines of random text

let’s search for http of certificate keyword as the question want things related to SSL certificate also checking the note in the question → Note: in order to retrieve the postal code and serial number linked to certification ID 7969287 you need to find the correct website

we got a website link related to SSL certifications → https:crt.sh

open the following website https:crt.sh and check the postalCode and serialNumber values for the ID 7969287

postalCode and serialNumber values are → 10043_2154254

going back to the GitHub repository let’s check the history section

check each change commits one by one

in the second one

we got flag2 value olbgt

BAU{10043_2154254_Delaware_olbgt}