Descripción Go to http://80.211.141.199:61783/ and try to get the flag. Write-Up Nos proporcionan una dirección IP y al acceder no obtenemos nada más que un simple “Forbidden”. Curiosamente obtenemos un código HTTP 200, por lo que podría ser una petición correcta. Revisando el código fuente no encontramos nada por lo que pasamos a comprobar las […]

Description I created this website to get your feedback on our CTF. Can you check if it’s secure ?LinkPs: flag stored in “flag” file Author:Tr’GFx Write-Up We are given a link to a webpage with a form with three fields: Full name, E-mail and Feedback. After we fill the form with the data we want […]

Description Welcome Reversers! Let’s start with this. Can u break the algorithm and give me the flag ?Author : KERROFile: here Write-Up This program took me a bit long to reverse, although it was not difficult. If we execute it, this is what we get: As strings doesn’t display anything relevant, this program probably reads […]

Descripción Hello, we have discovered that one of our ex-employees was leaking information to another company. Before he left, he cleaned everything in his computer to wipe any traces but we have found that one of his virtual machines in our servers is still running, it’s locked but we have been able to get a […]

Descripción The terrorists have improved their communications. Help me please! Write-Up Se nos proporcionan un archivo que contiene la canción Careless Whisper de George Michael con las siguientes características: Como podemos ver es un archivo .wav y que tiene una frecuencia de muestreo de 48 kHz, una frecuencia un tanto más alta de lo normal. […]