Christoffer Sawicki (@qerub) profile picture

Christoffer Sawicki

@qerub

Software developer interested in computer security, metaprogramming, functional programming, and Oxford commas.

 Malmö, Sweden
qerub.se
Joined May 2007
  • Tweets1.3K
  • Following728
  • Followers322
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Photo by Christoffer Sawicki (@qerub)Photo by Christoffer Sawicki (@qerub)Photo by Christoffer Sawicki (@qerub)Photo by Christoffer Sawicki (@qerub)Photo by Christoffer Sawicki (@qerub)Photo by Christoffer Sawicki (@qerub)Photo by Christoffer Sawicki (@qerub)Photo by Christoffer Sawicki (@qerub)Photo by Christoffer Sawicki (@qerub)Photo by Christoffer Sawicki (@qerub)
camel-snake-kebab 🐪🐍🍢 is celebrating 🎉 10 years and Babashka compatibility today: github.com/clj-commons/camel… github.com/clj-commons/camel… /cc @NimbleLee & @borkdude
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Christoffer Sawicki retweeted
The Restart Project (@RestartProject) profile picture
The Restart Project@RestartProject5 Oct 2022
The #RightToRepair is increasingly about software. It's not enough for manufacturers like @madebygoogle to make (some) spare parts available if they *deliberately* stop releasing software and security updates less than 3 years after launching a phone. arstechnica.com/gadgets/2022…
The Pixel 4 hits end of life after three years of service

The Pixel 4 hits end of life after three years of service

The October 2022 Android update is the end of support for Google's worst phone.

arstechnica.com
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The image in this tweet displays its own MD5 hash. You can download and hash it yourself, and it should still match - 1337e2ef42b9bee8de06a4d223a51337 I think this is the first PNG/MD5 hashquine.
Image from David Buchanan does not tweet anymore (@David3141593)
badidea 🪐 (@0xabad1dea) profile picturebadidea 🪐@0xabad1dea9 Aug 2013
Trick I want to see: a document in a conventional format (such as PDF) which mentions its own MD5 or SHA1 hash in the text and is right
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Christoffer Sawicki retweeted
Sigma (@sigma_da_enigma) profile picture
Sigma@sigma_da_enigma4 Jun 2022
At one point, Red Hat Linux had a "Redneck" language option for its installer. I'll just leave these images here:
Image from Sigma (@sigma_da_enigma)
Image from Sigma (@sigma_da_enigma)
Image from Sigma (@sigma_da_enigma)
Image from Sigma (@sigma_da_enigma)
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#MyTwitterAnniversary #TimeFlies
Image from Christoffer Sawicki (@qerub)
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Christoffer Sawicki retweeted
Allison Horst (@allison_horst) profile picture
Allison Horst@allison_horst14 Dec 2019
needed an excuse to draw a snake screaming in a camel's face so #rstats
Image from Allison Horst (@allison_horst)
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Christoffer Sawicki retweeted
MASTER BOOT RECORD (@masterbootrec) profile picture
MASTER BOOT RECORD
@masterbootrec20 May 2022
█░█░█ ▄▀█ █▀█ █▀▀ ▀█ ▀▄▀▄▀ █▀█ █▀▄ ██▄ █▄ Updated List. mbrserver.com/warez.zip
Image from MASTER BOOT RECORD (@masterbootrec)
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Christoffer Sawicki retweeted
daniel:// stenberg:// (@bagder) profile picture
daniel:// stenberg://@bagder9 May 2022
The HTTP Idempotency-Key request header field can be used to carry idempotency key in order to make non-idempotent HTTP methods such as POST or PATCH fault-tolerant. datatracker.ietf.org/doc/dra…

The Idempotency-Key HTTP Header Field

The HTTP Idempotency-Key request header field can be used to make non-idempotent HTTP methods such as POST or PATCH fault-tolerant.

datatracker.ietf.org
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More #Windows11 #AnnualGrowthRings: This "Show more options" menu item… pops open the old menu nearby… in a different GUI style. 🤦🏻‍♂️
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"Let's talk about Windows 11 paper cuts." den.dev/blog/windows-priorit… news.ycombinator.com/item?id…
Windows Needs a Change in Priorities | Den Delimarsky

Windows Needs a Change in Priorities | Den Delimarsky

A developer's critique of Windows 11 product priorities, weighing UX consistency and developer trust against ad placement and shell rewrites.

den.dev
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Christoffer Sawicki retweeted
Aaron Grattafiori (@dyn___) profile picture
Aaron Grattafiori@dyn___23 Oct 2021
NPM is a clear and present (supply chain) danger. Threat actors are just too lazy to take notice so far apart from Barium/APT41....
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Christoffer Sawicki retweeted
Siliconinsider (@Siliconinsid) profile picture
Siliconinsider@Siliconinsid20 Oct 2021
Celebrating diversity with a new set of VRAM SIMMs sporting Apple's rainbow colors, for the Macintosh Quadra 700!
Image from Siliconinsider (@Siliconinsid)
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The first phase of the #Windows11 installation program still has that GUI anno 2007 look. #AnnualGrowthRings
Image from Christoffer Sawicki (@qerub)
Image from Christoffer Sawicki (@qerub)
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Isn't it unsuitably irresponsible of Ubuntu Server to have the "universe" repository enabled by default?
Image from Christoffer Sawicki (@qerub)
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git config --global alias.puff "pull --ff-only" (This is kind of the only alias I have in my shell/gitconfig.)
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I guess `git config --global pull.ff only` would work as well for me, but it's not as fun. 💨
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Spent some time reverse engineering more of the LG Sound Sync protocol by staring at SPDIF registers. Now I can finally mute my TV! 😅 PR sent to @hifiberry: github.com/hifiberry/hifiber…
Image from Christoffer Sawicki (@qerub)
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Christoffer Sawicki retweeted
Brian in Pittsburgh (@arekfurt) profile picture
Brian in Pittsburgh@arekfurt14 Jul 2021
The vulnerabilities exploited to accomplish the Kaseya customer intrusions were as dumb as you were probably expecting:
Image from Brian in Pittsburgh (@arekfurt)
Image from Brian in Pittsburgh (@arekfurt)
Truesec (@Truesec) profile pictureTruesec@Truesec13 Jul 2021
Have you been waiting for the technical details of the Kaseya VSA exploit? They are now available in this great post by Alexander Andersson @mranderssona, one of Truesec forensics leads, describing how the exploit worked. #Kaseya #ransomware #REvil hubs.li/H0S81tj0
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Do you use "SuperDuper!" for Mac backups? Be aware that the latest stable version (v3.3.1 from November 2019) has a known bug where it silently fails to copy some files due to "encoding normalization in unusual situations". Vendor recommends running the beta version.
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(Why this didn't merit a patch release is beyond me.)
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