I’m Pierre Ceberio and I love infosec.

About Me

20yo, InfoSec Enthusiast, CTF player, passionate about OSINT & Social Engineering.

I am a student at Ingésup in 3rd year cybersecurity engineering.

I work as a SysOps engineer at Log'in Line, I previously worked as an android malware analyst on an R&D project with the datascientists of Sense4Data.

Latest Work

Save the World by Orange

CTF

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Save the World by Orange

CTF

Save the World by Orange also called CTF of the schools, was conceived by the teams of Orange Expert Security and took place on June 17, 2021.

With my team Les Pires Hat, we finished 3rd out of 79 teams.

This CTF addressed a scenario of rescuing a plant under attack by pirates. Despite some infrastructure problems and some challenges, some challenges on the turbine part were very interesting and enjoyable.

YogoshESD CTF

CTF

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YogoshESD CTF

CTF

The YogoshESD CTF lasted from June 4 to 6, 2021.

It is a solo type CTF and I finished 3rd class out of 101 participants.

This CTF was very nice with a big focus of the challenges on OSINT. Thanks to all the organization and the creators of the challenges.

HeroCTF v3

CTF

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HeroCTF v3

CTF

During the weekend of April 23-25 the HeroCTF v3 took place.

With our team Les Pires Hat, we finished second on more than 500 teams, on the student ranking we finish top 1.

For the occasion, I was able to write a write-up of an OSINT and Social Engineering / Phishing challenge, find the article : here

Despite the DDOS attacks received, the organization was able to respond and keep a quality of service and very good challenges, thank you to them!

Midnight Flag 2021

CTF

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Midnight Flag 2021

CTF

On April 10, 2021, ESN'HACK launched the CTF Midnight Flag.

With our team Les Pires Hat, we finished forth out of 114 teams.

For the occasion, I was able to write a write-up of an OSINT test split in 3 parts, find the article : here

Thanks again to all the creators of the challenges and to the whole organization.

OSINT Canberra 2021

CTF

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OSINT Canberra 2021

CTF

This CTF mixes exercises of research of person, geolocalization and analysis of web sites related to the city of Canberra in Australia.

With our team BtwWeUseGoogle, we finished third out of 38 teams.

A big thank you to IFLinfosec.

Mars@Hack 2021

CTF

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Mars@Hack 2021

CTF

Very happy to have been able to participate in the Capture The Flag challenge organized by the cyber defense squadron of the 118 air base of Mont-de-Marsan.

We finished Top 2 with my teammates Anthony Domingue, Etienne Sellan and Adrien Zoghbi 👌🏻.

A big thank you to the whole organization!

OSINT Trace Labs 2021.02

CTF

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OSINT Trace Labs 2021.02

CTF

The Trace Labs Search Party CTF is a non theoretical, gamified effort that allows for the crowdsourcing of contestants to perform a single task: Conduct open source intelligence operations to help find missing persons

With our team BtwWeUseGoogle we finished 29th out of over 200 teams.

How to hack a company with 11 euros ?

Infosec blog post

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How to hack a company with 11 euros ?

Infosec blog post

How can an attacker physically enter your company, exploit your computers with a USB WHID for only 11 euros ?

Enjoy your reading: Click on Me

Reverse-shell & Vagrant

Student project

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Reverse-shell & Vagrant

Student project

Realization of a reverse-shell in python with a control from a web interface, and a deployment using vagrant.

Github repository