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Ryan Castellucci (they/them) :nonbinary_flag: ๐Ÿ”œ 40C3

ryanc@infosec.exchange

<p>Hacker. Cryptography geek. Bureaucramancer. Ex-sysadmin. Nonbinary.</p><p>By day I&#39;m a Principal Security Engineer at a megacorp, by night I&#39;m an agent of chaos. I post about technology and queer issues, while attempting to be funny along the way.</p><p>My continuing mission:<br />To explore strange new platforms.<br />To seek out new bugs and new software.<br />To boldly shitpost where no one has shitposted before!</p><p>I&#39;m suing the UK for more gender, please help with my legal bills: <a href="https://enby.org.uk" target="_blank" rel="nofollow noopener" translate="no"><span class="invisible">https://</span><span class="">enby.org.uk</span><span class="invisible"></span></a></p><p><a href="https://justmytoots.com/@ryanc@infosec.exchange" target="_blank" rel="nofollow noope

Posts

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    Model citizens, welcome to the ultimate digital showdown! We are officially at T-minus eight minutes to the #40C3 public ticket presale, and you could cut the tension with a soldering iron. At the back of the grid, the rookies are stretching their index fingers and praying to the browser goddesses for a lucky F5 refresh, but the veterans in pole position, they&#39;re playing a whole different game this morning! These gladiators know better than to rely on their own reflexes here, which are posi...

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    Untitled Billionaire Game It&#39;s a lovely day in the world and you are a horrible billionaire. โœ… Cause a limited supply of DRAM. โœ… Buy a social media platform and unban all the Nazis. โœ… Secretly fund a professional wrestler&#39;s lawsuit to destroy a newspaper. โœ… Evict everyone from a Hawaiian island. โœ… Reverse fifteen years of global emissions reductions. โœ… Kill numerous children. โœ… Deprive vulnerable minorities of human rights. โœ…โœ…โœ…โœ…โœ… Interfere with elections.

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    This is essentially murder, funded by JK Rowling. Donations are being collected to fund a legal claim. https://www.translegalclinic.com/justice-for-joelle

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    turning a dial labeled &quot;gay&quot; higher and higher until it won&#39;t go any farther, then pulling out a monkey wrench and turning it with gratuitous force to &quot;even more gay&quot; as the audience cheers

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    If anyone is willing to sue over this, I will fund it. https://mastodon.social/@transactualuk/117446435425311459

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    Normalize patenting the Torment Nexus, not making it, and suing anyone who tries.

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    Our systems detected a minor irregularity in your account, please shitpost to restore full access.

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    We interrupt your regularly scheduled tooting to bring you a message related to my employer, which I am not speaking on behalf of: My team is hiring a security engineer in London. It is in person. Please DM if you&#39;d like to talk about the role and perhaps be referred. (please look me up on LinkedIn if you want to know where I work, but it&#39;s a megacorp you&#39;re familiar with)

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    Why the fuck is Twitter trying to get me to sign up for a bank account with them?

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    resets the &quot;days since Ryan has found a compiler bug&quot; sign to &quot;0&quot;

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    Is there a registry for custom emoji in the unicode private use space like there is for conscripts?

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    Stuff for sale, boosts welcome, I can&#39;t be arsed to ship so exchange would need to take place at/near Liverpool Street station: Ubiquiti US-16-XG (early hardware revision) with rack ears, functional, ยฃ250 - 8x SFP+ ports, 4x 10GBASE-T ports. Netgear S3300-28X with rack ears, functional, modded with quieter fans, ยฃ80 - 24x 1000BASE-T ports, 2x SFP+ ports, 2x 10GBASE-T ports. #homelab

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    How to pick a WiFi said, opsec edition: https://wigle.net/stats#ssidstats

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    Chat, I have ordered a pumpkin spice beverage, is this a known side effect of estrogen?

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    Previously, I built something that detected LibreJS, bypassed its &quot;trivial JavaScript only&quot; gate for code without a free license, and played the free software song.

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    I&#39;m considering getting an LTO-8 setup for backup. My home fileserver has about 40-50TB in it, and even with a &quot;never restore&quot; assumption the break even time vs &quot;store everything in glacier deep archive&quot; is pretty reasonable. Anyone gone this route and have opinions? #linux #homelab

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    @tqbf@infosec.exchange I&#39;m not sure if you read your mentions here, but if you listed 2010 as a copyright year on your website as a way to troll people with extreme pattern matching brain you did a fantastic job

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    I&#39;m 99% sure this is a real email that is really from Microsoft.

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    OH: The existence of the common wall lizard implies the existence of the common wextra lizard and the common pedantic lizard.

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    What DNS caching stub resolver is the least tire-fire-esque?

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    From HN: my threat model doesn&#39;t really include competent .us.gov actors.

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    On the one hand, props to Kovid Goyal for fixing this quickly, on the other hand I&#39;m a bit salty that he considers it not a security issue to be able to probe for file/directory existence and get back file sizes. I included a PoC that lists the loaded kernel modules in my report. https://github.com/kovidgoyal/kitty/commit/87ab3e98f4d399337777e4329960d7cd09101e99

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    Enumerate your loaded kernel modules with shell escape sequences (affects kitty): https://bugs.debian.org/cgi-bin/bugreport.cgi?att=1;bug=1147733;filename=kitty_probe.py;msg=5

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    This software is a work of fiction. Variable names, character codes, classes, and comments are products of the author&#39;s imagination or used ironically. Any resemblance to any actual code, interfaces, or programs, maintained or not, is entirely coincidental.

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    I should have a party at my lair. https://ioc.exchange/@azonenberg/117272952327756597

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    Reading: Project Hail Mary. No spoilers please.

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    STOP DOING SWAP PARTITIONS HARD DRIVES WERE NOT SUPPOSED TO ACT LIKE RAM YEARS OF LINUX SYSADMINNING yet NO REAL-WORLD USE FOUND for going beyond CLOSING A FEW TABS Wanted to avoid the OOM killer anyway for a laugh? We had a tool for that: It was called ZRAM &quot;Yes please give me a dedicated 64GB logical volume of SWAP. Please give me unresizable block devices trapped at the end of my disk.&quot; - STATEMENTS DREAMED UP BY THE UTTERLY DERANGED LOOK at what Neckbeards have been demanding...

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    Radxa says ROCK 5 ITX board I returned can&#39;t be repaired, and will be scrapped. They&#39;re refunding me, but I was counting on having two of them. Anyone have a ROCK 5 ITX or ROCK 5 ITX+ they&#39;d be willing to sell me for non-scalper prices? Would also be happy to buy an Orion O6. #embedded #embeddedsystems #linux #homelab

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    So, I have run the numbers, and a PoE toaster running Linux is actually very feasible, and could be built for about ยฃ350. It would need batteries, but at that price point it could have enough to make eight slices of toast. cc @kajer@infosec.exchange

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    I got a second Pinecil V2, and now I can hold them like chopsticks to remove surface mount passives.