Tag Archives: format string

Writeup – ESPR, pdfmaker (33C3 Part 1 of 2)

During the last 2 days, I participated in the 33c3 CTF. This event was a 48-hour Jeopardy style CTF, held as part of the 33rd Chaos Communications Congress, by the CTF team Eat Sleep Pwn Repeat. I will now document … Continue reading

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Technique – Dumping ELF from Format String

Last week, during the SharifCTF competition, I attempted to solve the pwn150 and pwn300 challenges, but was unable to solve them before they went offline. Upon review, these challenges were intended to be solved as blind format string “dump-and-exploit” challenges, … Continue reading

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Startcon 2016 (and Late Writeup – 12 / Format String)

Last weekend, I attended the Startcon 2016 event. This event was a startup conference, pitched at both entrepreneurs and venture capitalists. As part of the event, there was also a “Security Cup” CTF, which lasted for most of Saturday. I decided to form an … Continue reading

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Writeup – twin_primes, reversebox, greeting, super_express (Tokyo Westerns)

This weekend, I participated in the Tokyo Westerns CTF. During this event, I placed relatively poorly due to lack of focus (aka multitasking Deux Ex Mankind Divided and levelling my warlock to 105 in WoW. If I wasn’t on a … Continue reading

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