Grumpy Old Geeks Products Marble Product Marble 3 mentions in 1 episode A CIA tool the hosts describe as changing malware's fingerprint through code obfuscation. Mentions 203: What Really Grinds Our Gears Apr 3, 2017 43:17 a CIA tool called Marble 43:35 it's basically code obfuscation 43:52 change the fingerprint of your malware so it doesn't get picked up by ... malware scanners