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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Power belongs to the people who take it
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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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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Con esta entrada comenzamos una serie de writeups resolviendo los retos de la fase clasificatoria online de la CyberCamp 2019. Fueron unos retos bastante entretenidos empezando por una dificultad básica hasta algunos de dificultad elevada.
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Frida is a dynamic and flexible instrumentation tool. This powerful application can inject into running processes across multiple platforms: Android, iOS, Windows, Mac y QNX.
The utilities of this tool are varied, from performing tests without altering the code, modifying the flow of execution of a program or simply used to observe the state of processes within an application. These utilities we will see them oriented to the search for vulnerabilities and as support for other tasks within the pentesting of Android mobile applications.
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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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