Starting the 2020 eChallenge Coin Redux

There’s a designer named Bradán Lane who makes some excellent hardware, and one of my favorite things he’s created is a set of challenge coin circuits. I won’t go into too much detail on them other than to note they have a fun story line, a series of challenges, and you have to exercise some basic hardware hacking skills to participate. If you’d like more details, please check out the listing for the coin on Tindie. But what if you don’t know how to get started? Well, a friend of mine (Visual) and I recently played through this, and thought we’d document how to get started for anyone who needs a little extra help. Let’s get started!

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Closing out Lightning to Bitcoin

Maybe you’ve decided that you want to close down your old computer that was running a Lightning network node, but you haven’t decided to stop using Bitcoin. Maybe you just need to pay for an unexpected expense. Maybe anything. The question becomes: How do you take the BTC you currently have linked into a Lightning wallet and shoot it back off to a Bitcoin main wallet? I didn’t find that readily available anywhere and clearly listed, so here you go. 🙂

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Long Time Gone

No matter how you slice it, I’ve been a bum. I’ve been working on a ton of things, but haven’t been sharing. That’s, well, not great. I intended to share, but haven’t been doing it.

Best of intentions. Best of bullsh*t.

So let’s start again, shall we? 🙂

QuickHit: Things to Attack

Need a quick list of things to attack?  Try these. 🙂

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DerbyCon 9 – DomainTools CTF – Reversing

Part three of the DerbyCon DomainTools CTF write-ups.  You can find coverage of all the Crypto challenges here and coverage of all the Forensics challenges here.  This finishes up the solutions for every challenge in the CTF, broken up by the same section names that they used.  When possible, I’ll also be creating CyberChef recipes to directly solve each challenge, and linking to them following the solution description.  Let’s get started!

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DerbyCon 9 – DomainTools CTF – Forensics

Part two of the DerbyCon DomainTools CTF write-ups.  You can find yesterday’s coverage of all the Crypto challenges here.  I’ll be contributing solutions for every challenge in the CTF, broken up by the same section names that they used.  When possible, I’ll also be creating CyberChef recipes to directly solve each challenge, and linking to them following the solution description.  Today: the forensics challenges!

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DerbyCon 9 – DomainTools CTF – Crypto

Continuing with write-ups for events from DerbyCon is the DomainTools CTF.  I’ll be contributing solutions for every challenge in the CTF, broken up by the same section names that they used.  When possible, I’ll also be creating CyberChef recipes to directly solve each challenge, and linking to them following the solution description.  First up: the crypto challenges!

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