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UMDCTF 2021 - John's Return | Forensics
John’s Return I received this network traffic from John, but I don’t what he’s trying to say? Can you figure it out? Downloadable: received.pcapng Solution Within the first ten packets, I see that there is the 4 way handshake, which hints that we need to crack the wifi password in...
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UMDCTF 2021 - Coldplay_Flags | Steg
Coldplay_Flags I just downloaded Coldplay’s latest song and noticed that my song file seems a bit odd. Can you help me figure out what’s up with my file? Note: For the password, think words, not characters Flags.wav Solution The given audio file plays Coldplay’s Flags song and there isn’t any...
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UMDCTF 2021 - Pickle Rick | Steg
Pickle Rick You recieve these audio files from someone named Alan Eliasen. Downloadable files: “rickroll.wav” and “together-forever-encoded.wav” Solution After trying strings command, binwalk, and spectrogram via Audacity, I decided to look at the question more carefully. I noticed that the question gave us a specific name “Alan Eliasen”. I did...