Callboy - Hack.lu 2020 Writeups

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Writeup for Callboy challenge of Hack.lu CTF 2020
Callboy Description Have you ever called a Callboy? No!? Then you should definitely try it. To make it a pleasant experience for you, we have recorded a call with our Callboy to help you get started, so that there is no embarrassing silence between you. PS: do not forget the to wrap flag{} around the secret Write-Up For this challenge we get a network packet capture. The challenge name and description strongly hint at some VoIP call being in the traffic.