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brandonlw
Psychson
C#2014–2020
brandonlw / Psychson

Psychson

Phison 2251-03 (2303) Custom Firmware & Existing Firmware Patches (BadUSB)

7Distinct people
7Mentions
0Explicit recommenders
4.2KGitHub stars
REPOSITORY AT A GLANCE

What to know before exploring

What it is

Phison 2251-03 (2303) Custom Firmware & Existing Firmware Patches (BadUSB)

GitHub

Where it is used

No documented product use has been verified yet.

What people are saying

No recommendation phrase was found in the indexed comments.

No classified warning is attached to this page. Read the discussions before treating silence as approval.

Also in these discussions

No other repository is repeatedly linked in the same discussions.

This week on Hacker News

Nov 7–Nov 14 UTC · Direct repository links and separately labeled related project stories. Indexed through 11/14/2026, 5:04:57 PM UTC.

No direct repository links were found in the indexed HN discussions over the past seven days. Older discussions are available below.

Mentions over time

HN mentions by year7 dated mentions

Observed mentions: 2014-10-03 13:20:44 UTC to 2020-04-25 11:03:34 UTC.

01232014-01-01 00:00:00 UTC to 2015-01-01 00:00:00 UTC (exclusive): 3 mentions; 1 submissions, 2 comments20142015-01-01 00:00:00 UTC to 2016-01-01 00:00:00 UTC (exclusive): 1 mentions; 0 submissions, 1 comments2016-01-01 00:00:00 UTC to 2017-01-01 00:00:00 UTC (exclusive): 0 mentions; 0 submissions, 0 comments2017-01-01 00:00:00 UTC to 2018-01-01 00:00:00 UTC (exclusive): 2 mentions; 0 submissions, 2 comments20172018-01-01 00:00:00 UTC to 2019-01-01 00:00:00 UTC (exclusive): 0 mentions; 0 submissions, 0 comments2019-01-01 00:00:00 UTC to 2020-01-01 00:00:00 UTC (exclusive): 0 mentions; 0 submissions, 0 comments2020-01-01 00:00:00 UTC to 2021-01-01 00:00:00 UTC (exclusive): 1 mentions; 0 submissions, 1 comments2020

Counts come from the repository’s dated source evidence. Index cutoff: 2026-11-02 08:16:59 UTC.

View mention counts and date ranges
UTC ranges include their start and exclude their end. Select a period to filter the source evidence.
PeriodStart (UTC)End (exclusive, UTC)MentionsSubmissionsComments
20142014-01-01 00:00:00 UTC2015-01-01 00:00:00 UTC312
20152015-01-01 00:00:00 UTC2016-01-01 00:00:00 UTC101
20162016-01-01 00:00:00 UTC2017-01-01 00:00:00 UTC000
20172017-01-01 00:00:00 UTC2018-01-01 00:00:00 UTC202
20182018-01-01 00:00:00 UTC2019-01-01 00:00:00 UTC000
20192019-01-01 00:00:00 UTC2020-01-01 00:00:00 UTC000
20202020-01-01 00:00:00 UTC2021-01-01 00:00:00 UTC101

What Hacker News says

7 sources
Fingerprinting has been done: https://cise.ufl.edu/~butler/pubs/sadfe11.pdf And given you can easily reprogram thumb drives and such, it's easy to do evil stuff with them. You can plug a thumb drive with a reprogrammed firmware which will detect the OS based on IO patterns and then it can tell the OS it's also a keyboard and runs command for you. https://srlabs.de/bites/usb-peripherals-turn/ https://srlabs.de/wp-content/uploads/2014/11/SRLabs-BadUSB-P... https://github.com/brandonlw/Psychson https://www.computerworld.com/article/2690790/tools-for-crea... From the article: "During their Derbycon demonstration, which is available on YouTube, the two researchers replicated the emulated keyboard attack, but also showed how to create a hidden partition on thumb drives to defeat forensic tools and how to bypass the password for protected partit
Read the rest
ions on some USB drives that provide such a feature."
In Linux kernel: multiple vulnerabilities in the USB subsystem
Yeah right like. What system cannot be compromised when you have physical access to it? You think if they ran openBSD or Windows or Apple Server, that they would not been hacked? All systems are exploitable with [BadUSB](https://github.com/adamcaudill/Psychson) for example. To secure this szenario. You'd have to make sure that the Sticks are not infected by any kind of malware. Or use a USB condom. No OS will ever be able to secure itself from such attacks.
In The kernel of the argument over Linux’s vulnerabilities

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