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Decoding Spotify Barcodes - Defcon 32 Coin Challenge Solution [2024]
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🏆 The official writeup for the 2024 Defcon 32 Coin Challenge created by securinti. Congratulations to the winning teams (first blood and best writeup x 2)! In this video, we'll breakdown the solution 🧠 #DefCon #Intigriti #HackWithIntigriti #CTF #BugBounty
0:00 Intro
0:47 Spot the vulnerability (1)
4:12 Spot the vulnerability (2)
8:33 The coin
9:46 Decoding spotify barcodes
12:27 Unwrapping the code
15:40 Getting the bar heights
18:51 Extracting the media reference
19:45 Finding hidden website (Dec2IP)
20:34 Unintended solution
21:24 First blood (and last DC31 coin)
22:17 Best writeups
25:00 Conclusion
0:00 Intro
0:47 Spot the vulnerability (1)
4:12 Spot the vulnerability (2)
8:33 The coin
9:46 Decoding spotify barcodes
12:27 Unwrapping the code
15:40 Getting the bar heights
18:51 Extracting the media reference
19:45 Finding hidden website (Dec2IP)
20:34 Unintended solution
21:24 First blood (and last DC31 coin)
22:17 Best writeups
25:00 Conclusion
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