Category Archives: Jesting

“A jest’s prosperity lies in the ear of him that hears it, never in the tongue of him that makes it.”

Writeups – Diary, Isoar (Midnight Sun CTF Quals)

This weekend, I attended the BSides Australia 2018 conference. This was another iteration on an already excellent con, with numbers expanding year on year. It is always good to have the opportunity to meet up with people I haven’t seen … Continue reading

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Writeups – Hastad, Triptych (UIUCTF)

This weekend, I participated in the UIU CTF. This was a challenging but well-crafted CTF with a good range of challenges: disappointingly, I was only able to solve two challenges in the time allocated. Without further ado, writeups. Hastad This … Continue reading

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Writeups – So_Stealthy, Rescue Shell (Nuit Du Hack Quals)

Yesterday, I participated in the Nuit Du Hack Quals. In hindsight, I should’ve played this all day – this was a good CTF quality-wise, with a good variety of challenges and infrastructure which seemed to remain online. I will present … Continue reading

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Fun with Flash Memory (and Accidental Memory Leaks)

Today, I played around with tampering with Flash memory. The target of my attack is a generously donated Netcomm N300 router – I was able to wrangle a hilarious web server memory leak in the unauthenticated web interface by tampering … Continue reading

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Quick Notes on the PSoC

Updated at the end, to include how2play programming. Today, I spent some time tinkering with the PSoC 5 LP prototyping kit. This prototyping kit is physically very portable, and contains some very surprising features for it’s price point (~$10-20, depending … Continue reading

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