DiceCTF 202609 Mar 2026
featured writeup
Readplane-or-exchange
Alice and Bob had a brief exchange, and now they know something which I do not. Would you please help me to drop some Eves?
- published
- 22
- events
- 12
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- 2
ARCHIVE
22 resultssort
srdnlen CTF Quals 202605 Mar 2026
FHAES
Here it is! Fully Homomorphic AES encryption finally made practical. This is a remote challenge, you can connect to the service with: nc fhaes.challs.srdnlen.it 1337
PwnSec CTF 202516 Nov 2025
Opera
Writer was too lazy to write a description, so here's this video: https://www.youtube.com/watch?v=lVlgMEFu1PI
V1t CTF 202509 Nov 2025
Talking Duck
Bro this duck is talking to me or something? I'm high or what?? Attachment: https://drive.google.com/file/d/1XOVJwPqHTZBRRUiuve8E1VwBSmMyB4Us/view?usp=sharing
V1t CTF 202509 Nov 2025
Specimen 512
An unmarked data file was recovered from an abandoned research server labeled only as Specimen 512 . No accompanying documentation, no metadata, and no obvious contents โ just a massive file filled with strange sequences. Some say it hides
V1t CTF 202507 Nov 2025
The Forgotten Inventory
In the summer of 2007, a massive archive quietly surfaced - a meticulous ledger of items that once rolled across desert sands under foreign command. The file was structured, line after line, page after page, each entry tied to a unit whose
osu!gaming CTF 202527 Oct 2025
please-nominate
ok this time i'm going to be a bit more nice and personal when sending my message
ImaginaryCTF 202515 Sept 2025
certificate
As a thank you for playing our CTF, we're giving out participation certificates! Each one comes with a custom flag, but I bet you can't get the flag belonging to Eth007!
ICTF 202514 Sept 2025
significant
The signpost knows where it is at all times. It knows this because it knows where it isn't, by subtracting where it is, from where it isn't, or where it isn't, from where it is, whichever is greater. Consequently, the position where it is,
NNSCTF 202505 Sept 2025
huffameg
I don't understand, this just needs to return true! Hey Alexa, play "Tante Sofies sinte vise" until we've solved this challenge...
NNSCTF 202505 Sept 2025
breaker
Did you know that "breaking" a program can mean more than one thing? GDB certainly has its own idea of what that means. Unfortunately, a cat ran across my keyboard in the middle of debugging, and now everything looks like nonsense. Can you
NNSCTF 202505 Sept 2025
Live Laugh Love
Multiple unknowns and only a single equation... You are doomed!