• Reverse Engineering

    Fixing firmware bugs from 1987 in 2017

    A few years ago, I managed to get hold of something I only barely knew as a Wersi MK1, an extremely rare West-German synth from 1986. In my last article, I managed to get ahold of the firmware contents. In this article, I’ll be diving into the actual firmware to.. fix some ancient bugs! Why?…

  • Reverse Engineering

    Dissecting an Android ChinaPhone or hunting for spy/malware

    For a while now, I’ve been on the lookout for a proper ruggedized Android phone that doesn’t cost an arm and a leg. Since the low-end and counterfeit spectrum of Android phones seems to be dominated by Chinese MediaTek-based phones these days, and the turnaround time of new phone models is incredibly high over there,…

  • Reverse Engineering

    Old school EPROM firmware dumping

    A few years ago, I managed to get hold of something I only barely knew as a Wersi MK1, an extremely rare West-German synth from 1986. The MK1 faded into obscurity due to its notoriously difficult interface, bad marketing and manufacturer bankruptcies. But in fact, it was one of the first incredibly well engineered digital…

  • Reverse Engineering

    A short introduction to anti-anti-debugging on OS X

    If you’re familiar with reverse engineering software, you may have stumbled upon the magic world of anti-debugging and obfuscation. Anti-debugging protection is often built into software that is a likely target for reverse engineering, as a tactic to hamper any efforts in that area. Many techniques exist to avoid proper functioning of a (software-based) debugger,…

  • Reverse Engineering

    How to quickly rip apart a UEFI firmware

    Imagine this. It’s been a couple of months since you upgraded your trusty laptop with a good old SSD, the speed is fair but there’s just something wrong. Hibernation is taking ages, but why? You rip your firmware apart and find out they’ve crippled your S-ATA controller.. Enter the Panasonic Toughbook CF-19 MK3, one of…

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We are a collective of people with different backgrounds and a shared interest in unproven technology and deep technical skills.

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