https://x3ric.com/blog/tags/spi/CTF notes, systems work, and writeups.Hugoen-usSat, 06 Jun 2026 21:41:13 +0200https://x3ric.com/blog/posts/HackTheBox-Secure-Digital-Challenge/https://x3ric.com/blog/posts/HackTheBox-Secure-Digital-Challenge/Tue, 17 Dec 2024 09:20:00 +0800challengehtbhardwarefirmwarespilogic-analyzersignalSecure Digital: decode the captured signal, map the bitstream, and recover the flag.https://x3ric.com/blog/posts/HackTheBox-Override-Challenge/https://x3ric.com/blog/posts/HackTheBox-Override-Challenge/Wed, 11 Dec 2024 09:20:00 +0800challengehtbhardwarefirmwarespisignalOverride: decode the captured signal, map the bitstream, and recover the flag.