smileyctf-2025

Challenge source code and solve scripts for smileyCTF 2025.

directory structure

category/
├── challenge/
    ├── dist/
    │   └── files that should be distributed to player (handout)
    ├── chall/
    │   └── challenge files, including deployment-related files and actual flag.txt
    ├── src/
    │   └── any files for building. source code.
    ├── solve/
    │   └── scripts, etc. that solve the challenge
    └── README.md
        └── challenge description and overview

challenges

misc

Name	Author	Solves
Sanity Check	.;,;.	1,023
sky	smashmaster	100
cowsay	matthew	87
TI-1983	snow	62
mulitsig-wallet	BrokenAppendix	52
Project Holoswap	sahuang	28
vs-math-ai	jayden	15
offset	helloperson / snow	14
TI-1984	snow	3

rev

Name	Author	Solves
Success	flocto	674
fORtran	neil	306
Easy Come Easy Go	flocto	176
DNA	flocto	55
liqUID glASS	sahuang	33
Fruit Ninja	flocto	8
100r1cs	snow	0
tables	lunbun	0

pwn

Name	Author	Solves
debuggable-1	unvariant	122
debuggable-2	unvariant	75
babyrop	Eth007	70
blargh	nootkroot	38
limit	cope	34
debuggable-3	unvariant	7
teemo-tuesday	unvariant	3
accelerator	unvariant	2

crypto

Name	Author	Solves
saas	snow	279
never enough	snow	72
LCGs are SBGs	SuperBeetleGamer	18
a special place in reality	helloperson	10
sums	snow	6
spontaneous	snow	4
flcg	helloperson	1

web

Name	Author	Solves
Sculpture Revenge	smashmaster	144
Extension Mania	smashmaster	128
dry-ice-n-co	voxal	61
Extension Mania revenge	smashmaster	55
Teemo's Secret	Chara	11
Teemo's Secret v2	Chara	?
Leaf	Chara	3

forensics

Name	Author	Solves
rorecovery2	neil	53
rorecovery1	neil	18
rorecovery3	neil	10

guessctf

Name	Author	Solves
guessctf	helloperson	0

License

All source code in this repository are licensed under the GNU Affero General Public License 3.0:

Challenge source code and solve scripts for smileyCTF 2025

Copyright (C) 2025 smiley foundation

This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more details.

You should have received a copy of the GNU Affero General Public License along with this program. If not, see https://www.gnu.org/licenses/.