Monthly Archives: April 2016

Writeup – WhereWouldWeBeWithout (Bsides Canberra 2016)

Things have been a little busy over the past week, so here’s a belated writuep for the WhereWouldWeBeWithout challenge at bsides. This challenge was a forensics challenge – the description indicated that a user had downloaded a malicious attachment (supplied), and … Continue reading

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Writeup – nomnom + ark (Bsides Canberra 2016)

I spent last weekend attending Bsides Canberra 2016 with the folks from the Platypus Initiative, and participated in the Bsides CTF as “Team Platypus Facts”, taking home 5/~30th place. During the CTF, there were two image manipulation challenges, which I … Continue reading

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Writeup – Obfuscation (sCTF)

sCTF is now concluded, and I had a fantastic time competing in this challenge with my team. This CTF presented a broad range of challenges, ranging from simple reverse engineering challenges to more difficult and obscure challenges (such as decoding … Continue reading

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(No spoilers) sCTF / Glorious Meetups

This week’s CTF is sCTF. No writeups yet as it’s still going – but it’s turning out to be a lot of fun (especially the relatively heavy focus on crypto/stego, which is something I know basically nothing about). On a … Continue reading

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Late Writeup – (NDH) Secure File Reader

During last weekend’s Nuit du Hack CTF, I did not manage to solve the “Secure File Reader” challenge. I had the binary already downloaded, so I went back and did it to sharpen my skills. I started by investigating what the … Continue reading

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