Marcel Cremer

Curious about tech? Me too! 🤔 Follow me for opinions, learnings, and sarcastic anecdotes from a CTO with way too many interests🙄

@Goodpoe135640 @malcat4ever Did you solve it? MAYBE SPOILER AHEAD: I eliminated a lot of (evil) calls via heuristic, but ghidra is still reluctant to load and Binary Ninja only displays some of the leftovers. A bit stuck

@malcat4ever Guys, to solve this task, did you analyze and brute-force all state values of all switch-case blocks, or did you manually select human-readable flag values?

thanks to #flareon12 5th binary, #Malcat will better handle big-ass switch constructs in the future!

@aymansagy Nope, works fine with windows 11

Do we actually need Windows7 to run UnholyDragon? #flareon12

Never finished #Diablo4 because it felt too casual and I disliked the level scaling. I stuck with LE and PoE instead. Interestingly, it took #PathOfExile2 to make me appreciate D4 again - for all its flaws, it does a great job respecting the player’s time. Just started DLC now

First tweet in 2025? Done✅Or is it a post now?🤔Anyways, happy new year everybody 👋 Good intentions this year: Post more frequently. I might have a déjà vu...🙃

Does anybody have a nudge for 5? Gonna go crazy over this challenge #flareon11

Time table this year btw #flareon11 Actual time spent according to my logbook: 1 - 1m 2 - 48m 3 - 34m 4 - 17m 5 - 55m 6 - 28m 7 - 6h29m 8 - 2h28m (include reporting that challenge was broken, slept with flag) 9 - 13h31m 10 - ~5h (lost track cause it's on a working day)

Oh man, I wish I could do the challenges in the order that fits my skills best. Pretty sure where and what I need to look at, but I don't get the tooling working at all. Cutter even freezes when starting to debug. Challenge 5 - Game over? #flareon11

@netonightmare Well, sometimes if you cannot go forward, you need to approach things from the back...

@TechByMarcel Any hints? I read the code but didn't understand the process after the input asking for the checksum.

This one time in a year, where you go into reverse engineering without any knowledge or practise. Well, Challenge 2 finally down #flareon11

Challenge 3 was fun - who'd ever knew, that I'd build a "testing framework" with watch functionality for something like this? 😂 #flareon11

@CHBernasconiC Youtube music, it's already installed for music anyways 😁

Now that Google Podcast is gone... what do we use on Android? 🤔

Wow, that's ambitous. Would never work in good ol' germany 😂 newatlas.com/transport/carg…

R.I.P. 2844*7710 - My youth's lifeline. Every friend knew their ICQ# better than their bank details. OSCAR was my first protocol hack before Miranda took over. Today, it’d be probably an "npm install", no fiddle with TCP/IP sockets or SNAC packets. #GoodbyeICQ #TechNostalgia

How's life, folks? Hope everybody in #techtwitter is fine. Or is it #techx now? Been absent for quite a while 🧓

10 followers left for the next big milestone 🙏🏻

@xsgames_ @MysteryBox____ Nice to read🙌

@1devlife @MysteryBox____ Yes, I'm planning to release it in a month or so, Steam has a bit long schedule for publishing 😅

Have you ever played a VR game?

@xsgames_ @MysteryBox____ Are you planning to also release the VR version on steam? Got a Pico 4 for VR and I could imagine others also have other glasses than a quest 🤔

Did you know that @MysteryBox____ has a VR version too? Check it out 👇 thinl.ink/mbvr

Back from holidays - taking a break to refresh is so nice😌 I feel a lot more creative again and read some books about #OKR, goal setting and built a new homelab. Now I'm motivated and happy to be back. Do you know know some tricks to keep this feeling as long as possible? 🤔👇

@MsmCode That'd be awesome, would be super interested in reading more about it 👌

@1devlife No worries :). I time allows, I'll try to publish my writeups from my solutions when this Flare-On ends. Other than that I don't have any good resources to point to.

Finished my #flareon10 today! Fun fact: I used #Ghidra exclusively (no Ida) to solve almost all challenges (two exceptions: Android and PDP-11 Forth). It works great.