thbz

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Writeups

Writeups

2020-05-05

The annual CTF organized by the ANSSI. Here is my writeup for a set of forensic challenges around a single Linux memory dump.

Writeups

2020-05-05

Web challenge of the annual CTF organized by the ANSSI, where PHP sessions can be used to perform a LFI.

Writeups

2020-01-03

Funny crypto challenge in which we must crack the vulnerable AES implementation of a Python ransomware to decrypt JPG files.

Writeups

2019-12-24

Nice forensic/crypto chall about weak TLS implementation inside a PCAP file, played during the 2nd edition of the Santhacklaus CTF

Writeups

2019-10-09

Challenge web d’exploitation d’une mXSS : bypass de DOMPurify et d’une blacklist de mots-clés.

Writeups

2019-09-13

Investigation classique de dump mémoire avec Volatility, issue d’un challenge joué pendant le CTF annuel organisé par l’ANSSI.