Top all-time · #5582
Ninji's Website
Personal blog · wuffs.org/bloghardwaresystems
Ninji's Website is a personal blog at wuffs.org about hardware and systems. Since 2018, 14 different Hacker News readers have linked it 16 times, most often “Researching the Digitime Tech FOTA Backdoors”. It is still writing: the last post was on 2025-10-04, and you can follow it by feed.
Too few sampled comments (5) to say how often HN recommends it.?
Why HN links it
HN readers link Ninji's site for write-ups on its own projects: a Psion 5mx emulator, a Windows 3.1 graphics stack post, Bob datafile tools, and Android firmware malware.
Summarised by Claude from a sample of 5 HN comments that link here. Each comment is marked recommending, critical or neutral (citing without judging); how this works.
a bunch of weird and random technical stuff
Most-linked posts?
- Researching the Digitime Tech FOTA Backdoors4 people · 4 mentions · first linked 2020-01-01
- “16 Shades of Grey” – Building a Psion/EPOC32 Emulator (2019)2 people · 2 mentions · first linked 2022-03-28
What Hacker News says?
Another problem is with the cheap Android devices that come with a preinstalled rootkit disguised as the firmware update app. (fota.apk) It uses LUA scripts to install apps remotely and can grant any app any permission and run as system level through reflection. The government funded LifeLine phones that are given to the poor, disabled and veterans are all infected with this malware. Here is an excellent technical a…
Comment linking /blog/digitime-tech-fota-backdoors
on “Malware on My Android Phone”Submitted One Dog vs. the Windows 3.1 Graphics Stack as a story · 234 points
HN discussionThat old Windows 3.1 GUI looks so much more intuitive, efficient, and usable compared to what we've got today. https://wuffs.org/user/pages/02.blog/windows-3x-graphics/640... What would Win11 even look like on a lower-resolution display such as in TFA? The Win11 Start Menu is borderline unusable beyond typing in a keyword and praying to the circuits. What happened? Naive hypothesis: Windows NT and 2k hit a sweet spo…
Comment linking /user/pages/02.blog/windows-3x-graphics/640x480.jpg
on “One Dog vs. the Windows 3.1 Graphics Stack”Submitted Psion 5mx Emulator as a story · 216 points
HN discussionWrite-up about the project is here: https://wuffs.org/blog/building-a-psion-emulator
Comment linking /blog/building-a-psion-emulator
on “Psion 5mx Emulator”Submitted Mpw-Emu: Emulating 1998-Vintage Mac Compilers as a story · 70 points
HN discussionTake a look here, I found some strings mentioned on VirusTotal for the malware in question (drv.androidsecurityteam.club) here in the slideshow. Sounds like malicious updaters are being signed by some vendors perhaps? https://maldroid.github.io/docs/vb_2022.pdf I'll be curious when more details come out, but there's not much to go off yet. EDIT: Sounds like this may all tie back to a contractor providing OTA update…
Comment linking /blog/digitime-tech-fota-backdoors
on “Android platform signing key compromised”Submitted “16 Shades of Grey” – Building a Psion/EPOC32 Emulator (2019) as a story · 11 points
HN discussionA friend of mine recently developed robert.js, a library for manipulating Bob's datafiles. https://github.com/Treeki/robert.js For example, here are the Bob rooms, rendered in your browser: https://wuffs.org/bob/room.html
Comment linking /bob/room.html
on “General Magic is a film about the ‘90s startup that imagined the smartphone”Submitted Reversing Games with Hashcat as a story · 2 points
HN discussionSubmitted Researching the Digitime Tech FOTA Backdoors as a story · 2 points
HN discussionSubmitted Free Software that you can't customise is not Free Software as a story · 1 points
HN discussionSubmitted Reviving Sega's forgotten golf MMO after 14 years as a story · 1 points
HN discussionSubmitted They Made a Golf MMO with Sonic in It as a story · 1 points
HN discussionSubmitted Reviving Yahoo PageBuilder in 2020 as a story · 1 points
HN discussionSubmitted Researching the Digitime FOTA Backdoors as a story · 1 points
HN discussion
