Forensics challenges in TJCTF 2023


beep-boop-robot

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The given audio file was just a audio morse code which can put inside a online decoder to get the flag.

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Flag: tjctf{thisisallonewordlmao}


nothing-to-see

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There is a zip file hidden in the image.

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It requires a password. Doing strings reveal a possilbe password.

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Flag: tjctf{the_end_is_not_the_end_4c261b91}


neofeudalism

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I tried binwalk, exiftool and strings on it but nothing shows. Therefore I tried zsteg.

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Flag: tjctf{feudalism_still_bad_ea31e43b}