https://osiriz.dev/tags/starter/Recent content in starter on OsirizHugo -- gohugo.ioen-usWed, 14 Dec 2022 10:30:00 +0100https://osiriz.dev/posts/2022/12/nc3ctf-2022-starter-challenges/Wed, 14 Dec 2022 10:30:00 +0100https://osiriz.dev/posts/2022/12/nc3ctf-2022-starter-challenges/Base64 We are given the following string: bmMze3dvd19iYXNlNjRfZXJfdmlsZHRfbm9rfQ== We can decode the base64 in a shell with the base64 command: $ echo "bmMze3dvd19iYXNlNjRfZXJfdmlsZHRfbm9rfQ==" | base64 -d nc3{wow_base64_er_vildt_nok} We have now got the flag Regler We are asked to read the ctf rules, when we do so we find the flag at the bottom: nc3{Tak_fordi_du_kiggede_paa_reglerne} Strings We are given a file called strings that is 16 KB and a ELF executable: