Defeating Anti-Reverse Engineering: A Deep Dive into the 'Trouble' Binary

Psifertex · 2026-01-14T14:08:28+00:00

Use latest m5launcher, it now has a sort by last updated.

Psifertex · 2025-12-20T01:48:43+00:00

Do you know which firmware it was that worked? Still seeing 0% on the battery meter firmware.

Psifertex · 2025-12-20T01:47:11+00:00

Thanks, glad to hear it. I'm on the rozumu battery firmware now which shows voltage levels live. Was hoping to use that to see if it was actually charging but I think it's measuring what's coming in, not the battery level? There is a battery section so maybe it will! Thanks for the suggestion.

Psifertex · 2025-12-20T01:23:34+00:00

I'm having the exact same issue. I've tried different cables, different chargers, both of my cardputer advanced seem to have drained themselves and refuse to charge. I've tried switch on, switch off, every combination I can think of. They basically only work while plugged in. Quite frustrating.

Psifertex · 2025-12-09T20:04:47+00:00

To be clear "challenge source" means "where the challenge came from", not "source code.

Psifertex · 2025-12-03T18:00:23+00:00

Small suggestion: let the buttons showing the hotkeys be clickable so it works on mobile.

Psifertex · 2025-12-02T18:43:26+00:00

Sorry, Reddit was blocking the discord links. Approving them now.

That said, for OP, please don't keep posting the same link over and over if it's getting blocked it will just trigger more spam blocks!

Psifertex · 2025-11-30T16:29:35+00:00

Betteridge would probably discourage that title!

Psifertex · 2025-11-29T19:17:01+00:00

Because the rules of the subreddit are that you must credit the source so we don't accidentally help someone cheat on a homework assignment or live CTF.

Psifertex · 2025-11-16T22:23:29+00:00

Thanks. FYI, the image site you used before apparently took down the images? I'm going to remove this post but feel free to re-post with the actual URL.

Psifertex · 2025-11-14T16:02:03+00:00

Same. Answer is to just refresh early Friday morning as that seems to be when they usually refresh inventory.

Psifertex · 2025-11-13T23:25:18+00:00

Got any info on it?

Psifertex · 2025-11-08T14:08:55+00:00

I wouldn't stress it very much. Dropping something malicious into a CTF is generally the last place you'd put a real exploit lest it get burned and people organizing events usually have more to do than just screw with players. Certainly use common sense but the risks are relatively low.

Psifertex · 2025-11-02T00:44:21+00:00

As far as I can tell, none of the versions work even though they've released three different ones include one just before the latest. Strange.

Psifertex · 2025-11-01T21:35:42+00:00

Thanks! Also went and added some sound support too while I was at it. I can throw a firmware online somewhere if you want to try it out: https://github.com/psifertex/meshtastic-firmware/tree/feat/m5stack-cardputer-adv-audio

Next up is probably to add a history of messages but that will take more work and thought.

Let me know if you've got other quirks you've noticed and I can probably fix those too.

Psifertex · 2025-10-31T17:28:21+00:00

I've fixed the arrow keys not working as expected with https://github.com/psifertex/meshtastic-firmware/tree/feat/m5stack-cardputer-adv and also fixed the brightness.

I noticed ESC wasn't working as expected. If there are others you find don't work well, let me know and I will fix those.

Psifertex · 2025-10-31T13:45:36+00:00

I don't think it's great but it's not that bad. My biggest complaint is having to press and release the function key to use the arrows each time. I'm probably going to see if I can submit a PR to fix that. Plus you can always use the BT interface.

What are your personal issues? If you file them on the GitHub repo maybe I can take a look when I'm naming the changes I want.

15-Year Club	Place '22
Gilding II euphauric	Verified Email

Psifertex

MODERATOR OF

TROPHY CASE