Project Sekai - ✅-reverse-ej

Project Sekai

🔒 WolvCTF 2023 / ✅-reverse-ej

ej - 500 points

Category: Reverse Description: This challenge is authored and sponsored by REDLattice. Files:

https://wolvctf.io/files/7342e5d30149971c2f7a361735aa1a1f/ej?token=eyJ1c2VyX2lkIjoyNjgsInRlYW1faWQiOjE3MCwiZmlsZV9pZCI6Mzh9.ZBTG_Q.C1FolRPveq-Um_0r0F2KJHOpgv0

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Sutx pinned a message to this channel. 03/17/2023 1:01 PM

@Utaha wants to collaborate

working on this one

byte_4080:

0 0 0 0 0 0
0 0 1 1 0 0
0 0 1 0 0 0
0 0 1 0 0 1
0 0 0 1 2 0
2 0 0 0 0 2

14:10

1 means you must not turn on that square

14:10

feels like the puzzle where there are bunch of white and balck circle

14:16

2 seems to be a huge L

14:19

input: rrddddrruuluurrdddddllllluuuuu

14:20

dddddrrrrruuuuullddrddlluuuull

14:20

both are correct but not giving actual flag lol

14:21

oh there are multiple solutions :<

14:22

probably have to find the one that match sponsor company's logo lol

14:25

dddddrrrrruuulddlllurrullurrrrulllll rrrrrdlllldrrdlldrrruurdddllllluuuuu

14:25

both of them look like EJ

14:25

but still failed

14:29

rrrrrdddddllllluuurrrdlldrrruuullllu drrrrdddlllurrullldddrrrrruuuuulllll

14:29

These six should be the only solutions

14:29

that do not go to the same square twice

Utaha

input: rrddddrruuluurrdddddllllluuuuu

oh this one doesn't use all squares, so we can have more solutions from this

14:44

All solutions that I tried

rrddddrruuluurrdddddllllluuuuu
dddddrrrrruuuuullddrddlluuuull
rrddddrruuluurrdddddllllluuruluu
ddrdlddrrrrruuuuullddrddlluuuull
rrddddrruuluurrdddddllllluuurulu
drdldddrrrrruuuuullddrddlluuuull
rrddddrruuluurdrddddllllluuuuu
dddddrrrrruuuululddrddlluuuull
rrddddrruuluurdrddddllllluuruluu
ddrdlddrrrrruuuululddrddlluuuull
rrddddrruuluurdrddddllllluuurulu
drdldddrrrrruuuululddrddlluuuull
dddddrrrrruuulddlllurrullurrrrulllll
rrrrrdlllldrrdlldrrruurdddllllluuuuu
rrrrrdddddllllluuurrrdlldrrruuullllu
drrrrdddlllurrullldddrrrrruuuuulllll

14:46

rrrrdllldrrdlldrrruurdddllllluuuuu

14:46

finally

Utaha

used /ctf solve

✅ Challenge solved.

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