malten
ghidra
malten | ghidra | |
---|---|---|
4 | 4 | |
26 | 5 | |
- | - | |
5.9 | 7.5 | |
about 2 months ago | 6 months ago | |
Go | Java | |
MIT License | Apache License 2.0 |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
malten
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Ask HN: What do you do to combat loneliness and isolation?
What kind of community would you like to be a part of?
Do you see yourself as a leader or a follower?
Thank-you for working on Malten:
https://malten.com/
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Ask HN: Most interesting tech you built for just yourself?
Lots of things. But one I am coming back to is called Malten (https://malten.com). It was essentially a place for me to blackhole my thoughts anonymously rather than putting them on twitter. Recently as I've seen ChatGPT take off it's made me revisit the project and create an integration for it (not yet publicly hosted). Ideally I'd just be able to voice my thoughts to an AI now in a private manner. Let's see.
https://github.com/asim/malten for anyone who wants to run it themselves.
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Cryptboard.io – Anonymous encrypted web clipboard and chat
I built something similar but it wasn't intended as a clipboard. Mostly for anonymous chat but I personally ended up using it as a clip board. The difference. We don't persist anything on the server side, it's totally in memory and you can create new streams that have shorter ttls.
Website: https://malten.xyz
Source code: https://github.com/asim/malten
ghidra
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Show HN: A Ghidra extension that turns programs back into object files
[1] https://github.com/boricj/ghidra/tree/feature/elfrelocatebleobjectexporter
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Ask HN: Tell us about your project that's not done yet but you want feedback on
I've been working on a specific reverse-engineering technique called _unlinking_ [1] on-and-off for the past 16 months or so. I'm on my third prototype (first a set of Ghidra scripts written in Jython [2], then a fork of Ghidra [3] and now a Ghidra extension [4]) and I've started a blog in order to document it [5], which side-tracked into writing a whole series of articles on reverse-engineering to introduce the topic.
What for, you may ask? Basically I'm trying to decompile a PlayStation 1 video game and I've quickly decided that dealing alone with multiple +500 KiB executables of complete utter spaghetti code wasn't going to work. Instead, I've decided that I'd rather divide-and-conquer the problem, so I've been tooling up to split executables into relocatable object files, in order to decompile those one at a time and _Ship of Theseus_-style my way to success.
Ironically, all of that stuff is so not done that I don't even know what meaningful feedback there could be. My prototypes do work, but only for 32 bit little endian statically-linked MIPS executables. The articles on my blog are draft-quality. As for the decompilation project itself that started all of this, it hasn't seen much progress due to all of those side-quests. The overall topic is so esoteric that so far I've only managed to hear about one group of two persons that tried to do anything remotely similar and one another anecdotal account [6] that this particular skill is very uncommon among reverse engineers.
Personally, I'm starting to think that maybe I could've actually reverse-engineered and decompiled the game in the time I took to get here. I've also tried to engage with Ghidra to upstream the foundations of my modifications in my fork, but after some back-and-forth it became clear that my prototype-grade stuff wasn't industrial-grade and couldn't be merged in its current state, which is why I'm currently reworking the code in my fork as a Ghidra extension.
To those that want to provide feedback after reading all of this: beware, I've had a lot of fun going down that rabbit hole, but this is one hell of a time sink _and_ a particularly tricky mind-bender.
[1] I don't actually _know_ what's the actual name for this technique, given that there are so few resources on it out there. I do know I didn't invent it.
[2] https://github.com/boricj/ghidra-unlinker-scripts
[3] https://github.com/boricj/ghidra/tree/feature/elfrelocateble...
[4] https://github.com/boricj/ghidra-unlinker-extension
[5] https://news.ycombinator.com/item?id=36575081#36590078
[6] https://news.ycombinator.com/item?id=35729232&p=3#35740761
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Ask HN: Most interesting tech you built for just yourself?
- The relocation synthesizer for MIPS: https://github.com/boricj/ghidra/blob/feature/elfrelocateble...
- The Ghidra analyzer that leverages this synthesizer: https://github.com/boricj/ghidra/blob/feature/elfrelocatebleobjectexporter/Ghidra/Features/Delinker/src/main/java/ghidra/app/analyzers/RelocationTableSynthesizerAnalyzer.java
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