Tag Archives: steganography

Writeup – glorious.png (Sectalks Sydney June 2016 – Partial)

During this weekend, I missed the SecuInside / cykor.kr CTF event due to being too sick to IDA properly – it turns out it’s super hard to reverse engineer when you’re multitasking trying not to throw up on the keyboard. … Continue reading

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Writeups – RE100, digital_fortrees.exe (Whitehat ’11) + Late Writeup – the dog picture thingy (TJCTF)

Today, I participated in the WhiteHat Contest ’11 (wargame.whitehat.vn). This wargame was unusual for it’s extremely short 8-hour duration, which roughly aligned to the Australian afternoon – I checked after lunch and it was up, so I gave it a … Continue reading

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Writeup – The Neverending Crypto Part 1-7 (TUCTF)

This weekend, I participated in TUCTF. This was a quality CTF with a large variety of challenges (including the interesting “EscapeFromHell” series, which I thought was structured very well – but it’s too long to do here. The Neverending Crypto … Continue reading

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Writeup – Odrrere (and thoughts on approach)

During this weekend’s ASIS CTF, I solved the “Odrerre” challenge. This challenge was relatively straightforward compared to other challenges such as “3Magic” and “binarycloud”, but it’s worth documenting nonetheless. This challenge started off with a broken PNG file: A quick inspection … Continue reading

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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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