Monthly Archives: July 2016

Writeup – IOT100 (TMCTF)

Posted on July 31, 2016 by Norman

This weekend, I participated in the Trend Micro CTF. This CTF was a nice experience, with solid hosting and a wide variety of challenges (though the binary challenges were overwhelmingly Windows). Unfortunately, a severe lack of focus (read: playing Call of … Continue reading →

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Manually Unpacking PyInstaller (Python 2p6)

Posted on July 31, 2016 by Norman

Earlier this week, I spent some time assisting a friend in unpacking a Python 2.6 PyInstaller’ed executable, with what seemed to be a number of broken magic numbers in an effort to confuse publically available unpacking tools. In this post, … Continue reading →

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Writeup – Crack This Crypto, EME2 (websec.tech)

Posted on July 26, 2016 by Norman

Over the past several weeks, team farmingsimulator2015 participated in the Websec CTF. This CTF was a solid CTF with a wide variety of content, but unfortunately plagued by a multitude of technical issues, meaning that sometimes, only a single team … Continue reading →

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Writeup – Auth Service, Zippy (ABCTF)

Posted on July 24, 2016 by Norman

Over the past week, team farmingsimulator2015 participated in ABCTF (among others, which I can’t write about for now as they’re still in progress). This was a high-school level CTF with relatively limited variety (e.g. no binary exploitation), but there were two … Continue reading →

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

Posted on July 12, 2016 by Norman

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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