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Attacking JSON Web Token (JWT)
In this post we’ll see how a website that uses JWT incorrectly allows us to create users with arbitrary data. We will rely on a challenge from the CTF TJCTF, specifically the Moar Horse 4 challenge.
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Power belongs to the people who take it
Author: Manuel López Pérez (Page 2 of 11)
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CyberCamp 2019
Con esta entrada continuamos con los writeups resolviendo los retos de la fase clasificatoria online de la CyberCamp 2019.
En este caso es un reto de nivel medio de Criptografia.
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CyberCamp 2019
Con esta entrada continuamos con los writeups resolviendo los retos de la fase clasificatoria online de la CyberCamp 2019.
En este caso es un reto sencillo de Forense.
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In this pwn post we are going to face a linux binary with all the active protections. In this binary we find a format string and a buffer overflow, the first will serve us to ‘leak’ the necessary addresses to bypassear the protections and the second will serve us to take control of the process.
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Vamos a seguir con la resolución de algunos retos de CTF. Os dejo también la primera parte en la que resolvimos algunos retos: parte 1.
En este caso, vamos a estar resolviendo retos del CTF Hackcon 2019 en el cual aun podéis registraros y hacer los retos.
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