osu!gaming CTF 2024 Writeup (Mainly Crypto and Reverse) Last weekend(2024-03-01T17:00:00+00:00 ~ 2024-03-03T17:00:00+00:00), I participated in this game. B/c I AKed the crypto part of it(and as a h...
Brief Writeups for CTFs of Feb Week 3
Incognito 4.0 Ancient First we open it by 010editor. From the hexdump we can see there is a string “IHDR”, so we guess it’s a .png file. 00000000 00 00 00 00 aa 0a 1a 0a 00 00 00 0d 49 48 44 52 ...
LA CTF 2023 Writeup
LA CTF 2023 Writeup Crypto one-more-time-pad Challenge: from itertools import cycle pt = b"Long ago, the four nations lived together in harmony ..." key = cycle(b"lactf{??????????????}") ...
IrisCTF writeup for Meaning of Python 2
Challenge python2.py Solution With the syntax highlighting, we can see that there is a huge byte literal(begin with b'), meaning that this may be the core content of the program. To see how the co...
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