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Category Archives: Computers
Sometimes I write Ruby code. Occasionally, it even works.
Writeups – asby, abuse mail (Late) (SHA2017)
This weekend, I participated in the SHA2017 CTF. I was able to solve one challenge in the time available, then was able to solve a second, but unfortunately too late to score anything. The writeups are presented below. asby The … Continue reading →
Posted in Bards, Computers, Jesting
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Tagged brute force best force, tshark, victory
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EM Fault Injection on a Budget
Following on from my earlier successes with glitching, I have continued investigating various methods to induce faults in hardware. One less-talked-about method is EM fault injection, which relies on using a capacitor discharge to create a temporary magnetic field, which … Continue reading →
Writeup – TSULOTT (meepwn)
Over the past weekend, I spent a little time participating in the meepwn CTF. Unfortunately, during the time allocated, I was only able to solve a single challenge, and the simplest challenge at that. On the bright side, this is … Continue reading →
Reversing the Balong M3/MCU Console – The Quest for NVRam
Over the past few weeks, mortal frailty has caused me to take a break from the usual cyber excellence, in favor of rest, inducing an unfortunate gap in posting. The (very) limited time which I devoted to cyber was spent … Continue reading →
Reversing the Balong M3/MCU Console – Lightning the Path to Ring 0
This weekend, I spent some time continuing my investigation of a Huawei E5573 modem. In this, I was able to identify and briefly PoC a process by which an attacker can gain privileged code execution on this device, without resorting … Continue reading →
