Ratmir Karabut is a user on mastodon.social. You can follow them or interact with them if you have an account anywhere in the fediverse.
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The #SHA2017 Samsung S4 write-up by oldzg is up! http://karabut.com/sha2017-ctf-samsung-s4-writeup.html https://mastodon.social/media/ON4bJuSWc5OQNTYng7U
