Raspberry Pi Zero as Multiple USB Gadgets
In case you haven’t heard, the Raspberry Pi Zero is the smallest, most low-cost device in the Raspberry Pi family, but it’s also the hardest to find. It has two Micro-B USB ports, one for power and...
View ArticleSeeedstudio Fusion PCB Review
Fusion PCB is a PCB service from Seeedstudio. They have been offering PCB prototyping service since I made my first board in 2011. It has recently been revamped a little, tweaking prices and options,...
View ArticleCracking iTunes Backup Passwords with hashcat
Following the recent announcement of LUKS support in hashcat, I noticed that there have been some commits to support iTunes Backup passwords as well. Support added to hashcat to crack iTunes Backups...
View ArticleRaspberry Pi Zero Wireless
On the 5th birthday of the Raspberry Pi last week, the foundation announced a new addition to the family — the Raspberry Pi Zero W. The W stands for Wireless. I got my hands on one, from the fine folks...
View ArticleReplacing a Linux RAID Drive
I have been running a software RAID array at home for some time now. It’s a single network storage where I consolidate all my files. I manage this array manually using the mdadm command. Some people...
View ArticleMaking USBasp Chinese Clones Usable
I don’t have any dedicated programmers. I have been programming Atmel chips using the USB-to-serial bitbang method. Recently, I thought I’d get one because doing a re-programming cycle is taking quite...
View ArticleLabyREnth 2017 Write-up: “EzDroid”
Mobile track #1 – EzDroid Provided is an Android app package EzDroid.apk. I typically use an Android emulator for testing, it’s free and easy to install on all major platforms, so it’s pretty much a no...
View ArticleFramework for Writing Flexible Bruteforcers
When writing a bruteforcer, it’s easiest to think of it as mapping some kind of output to a monotonically-increasing number. Like for one of the solved PlaidCTF question, the answer string was composed...
View ArticleWriting Code for the ATtiny10
I previously wrote about the hardware aspects of getting your code into an ATtiny10 some 7 years ago (wow that was realllyy a long time ago!). Now, avrdude is at version 6.3 and the TPI bitbang...
View ArticleFlare-On 2017 Write-up: “pewpewboat.exe”
Flare-On 2017 Challenge #5 — pewpewboat.exe As usual, the first thing to do when tackling the challenge is to run the binary first, to see what it does. You will soon learn that it’s not actually a...
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