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Under the Hood of AFD.sys Part 1: Investigating Undocumented Interfaces

https://leftarcode.com/posts/afd-reverse-engineering-part1/
24•omegadev•2d ago

Comments

lloydatkinson•3h ago
There's an interesting talk about AFD.sys here too: https://av.tib.eu/media/32819

The real-but-unofficial name is Another Fucking Driver. I see a lot of comments online of people saying they used to work at Microsoft or heard from a friend that works there explaining how it got this name, but I 100% remember watching a Microsoft Build conference (maybe ~10 years ago?) where the person who wrote it said on stage that he really did call it that, but they had to name it Auxiliary Function Driver for obvious reasons.

Sadly I can't find that talk anywhere on the internet, but it definitely happened.

mananaysiempre•2h ago
> Sadly I can't find that talk anywhere on the internet

Microsoft is apparently incapable of preserving their website—in particular, several years ago they destroyed what used to be the centralized store for all of their videos, MSDN’s Channel 9. I find it useful to open an Internet Archive snapshot of channel9.msdn.com from before ~2020 and navigate from there.

(If I sound a bit salty, it’s because I found that a huge number of threads on the Microsoft support forums, mostly concerning older products, was “retired”—i.e. memory-holed—recently enough that Google still thinks they’re there. While the “support” part was always a joke, the threads were still occasionally better than a big fat nothing, which is what we have now.)

ZeroWidthJoiner•2h ago
Yeah, that original name is corroborated by Raymond Chen: https://devblogs.microsoft.com/oldnewthing/20171114-00/?p=97...
muststopmyths•2h ago
Wouldn’t be the “person who wrote it” unless he came back to do some special presentation. That guy left windows (and maybe even Microsoft) in the mid 90s. AFD has been around since the beginning of NT (edit at least 3.51, maybe even before that)
nly•3h ago
Windows APIs are truly hideous

Open models by OpenAI

https://openai.com/open-models/
1352•lackoftactics•8h ago•527 comments

Genie 3: A new frontier for world models

https://deepmind.google/discover/blog/genie-3-a-new-frontier-for-world-models/
1102•bradleyg223•11h ago•402 comments

Spotting base64 encoded JSON, certificates, and private keys

https://ergaster.org/til/base64-encoded-json/
216•jandeboevrie•5h ago•97 comments

Ollama Turbo

https://ollama.com/turbo
238•amram_art•6h ago•145 comments

Create personal illustrated storybooks in the Gemini app

https://blog.google/products/gemini/storybooks/
68•xnx•3h ago•25 comments

Consider using Zstandard and/or LZ4 instead of Deflate

https://github.com/w3c/png/issues/39
125•marklit•7h ago•69 comments

Claude Opus 4.1

https://www.anthropic.com/news/claude-opus-4-1
636•meetpateltech•8h ago•238 comments

Things that helped me get out of the AI 10x engineer imposter syndrome

https://colton.dev/blog/curing-your-ai-10x-engineer-imposter-syndrome/
694•coltonv•11h ago•531 comments

Scientific fraud has become an 'industry,' analysis finds

https://www.science.org/content/article/scientific-fraud-has-become-industry-alarming-analysis-finds
269•pseudolus•14h ago•228 comments

What's wrong with the JSON gem API?

https://byroot.github.io/ruby/json/2025/08/02/whats-wrong-with-the-json-gem-api.html
36•ezekg•4h ago•8 comments

The First Widespread Cure for HIV Could Be in Children

https://www.wired.com/story/the-first-widespread-cure-for-hiv-could-be-in-children/
59•sohkamyung•3d ago•11 comments

Ask HN: Have you ever regretted open-sourcing something?

105•paulwilsonn•3d ago•142 comments

uBlock Origin Lite now available for Safari

https://apps.apple.com/app/ublock-origin-lite/id6745342698
961•Jiahang•16h ago•382 comments

Kyber (YC W23) is hiring enterprise account executives

https://www.ycombinator.com/companies/kyber/jobs/6RvaAVR-enterprise-account-executive-ae
1•asontha•4h ago

Show HN: Stagewise (YC S25) – Front end coding agent for existing codebases

https://github.com/stagewise-io/stagewise
31•juliangoetze•10h ago•34 comments

Build Your Own Lisp

https://www.buildyourownlisp.com/
216•lemonberry•13h ago•58 comments

US reportedly forcing TSMC to buy 49% stake in Intel to secure tariff relief

https://www.notebookcheck.net/Desperate-measures-to-save-Intel-US-reportedly-forcing-TSMC-to-buy-49-stake-in-Intel-to-secure-tariff-relief-for-Taiwan.1079424.0.html
292•voxadam•7h ago•337 comments

Quantum machine learning via vector embeddings

https://arxiv.org/abs/2508.00024
8•adbabdadb•2h ago•0 comments

Los Alamos is capturing images of explosions at 7 millionths of a second

https://www.lanl.gov/media/publications/1663/dynamics-of-dynamic-imaging
104•LAsteNERD•10h ago•85 comments

Under the Hood of AFD.sys Part 1: Investigating Undocumented Interfaces

https://leftarcode.com/posts/afd-reverse-engineering-part1/
24•omegadev•2d ago•5 comments

The mystery of Winston Churchill's dead platypus was finally solved

https://www.bbc.com/news/articles/cglzl1ez283o
43•benbreen•2d ago•7 comments

Cannibal Modernity: Oswald de Andrade's Manifesto Antropófago (1928)

https://publicdomainreview.org/collection/manifesto-antropofago/
19•Thevet•2d ago•3 comments

AI is propping up the US economy

https://www.bloodinthemachine.com/p/the-ai-bubble-is-so-big-its-propping
111•mempko•5h ago•125 comments

Cow vs. Water Buffalo Mozzarella

http://itscheese.com/reviews/mozzarella
18•indigodaddy•3d ago•17 comments

No Comment (2010)

https://prog21.dadgum.com/57.html
60•ColinWright•10h ago•49 comments

Tell HN: Anthropic expires paid credits after a year

176•maytc•23h ago•87 comments

Eleven Music

https://elevenlabs.io/blog/eleven-music-is-here
163•meetpateltech•9h ago•201 comments

Apache ECharts 6

https://echarts.apache.org/handbook/en/basics/release-note/v6-feature/
261•makepanic•18h ago•30 comments

GitHub pull requests were down

https://www.githubstatus.com/incidents/6swp0zf7lk8h
113•lr0•9h ago•150 comments

Using Dspy to Detect Document Boundaries

https://kmad.ai/Using-DSPy-to-Detect-Document-Boundaries
4•aberoham•2d ago•1 comments