Monthly Archives: December 2016

Writeup – smartfridge1 and smartfridge2 (33C3 Part 2 of 2)

Posted on December 30, 2016 by Norman

During the last 2 days, I participated in the 33c3 CTF. This post contains the second part of my writeups for this CTF, covering the smartfridge1 and smartfridge2 challenges. Note that the content provided for smartfridge2 (a crypto challenge!) speeds up … Continue reading →

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

Posted on December 30, 2016 by Norman

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

Posted on December 23, 2016 by Norman

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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Writeups – misc50 / playfake, for150 / strange_pdf.pdf, rev300 / Login.apk, rev100 / repairme.exe (SharifCTF)

Posted on December 19, 2016 by Norman

This weekend, I participated in the SharifCTF event. This was a 48-hour CTF organised by the Sharif University, and was an enjoyable event after two weeks of effectively not capturing any internet points at all. I will present three writeups (plus … Continue reading →

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