# HITCON CTF 2019 Quals Writeup - [Revenge of Welcome](/@blackb6a/hitcon2019-revenge-of-welcome) - [Virtual Public Network](/@blackb6a/hitcon2019-virtual-public-network) - [Luatic](/@blackb6a/hitcon2019-luatic) - [Bounty Pl33z](/@blackb6a/hitcon2019-bounty-pl33z) - [EmojiVM](/@blackb6a/hitcon2019-emoji-vm) - [heXDump](/@blackb6a/hitcon2019-hexdump) - [EV3 Player](/@blackb6a/hitcon2019-ev3-player) - [EV3 Arm](/@blackb6a/hitcon2019-ev3-arm) - [Lost Modulus Again](/@blackb6a/hitcon2019-lost-modulus-again) - [Lost Key Again](/@blackb6a/hitcon2019-lost-key-again) ###### tags: `Writeup` `HITCON CTF 2019 Quals`
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