DPCM

Ghost-C2 v3.6.3 hardens the DNS module with 5-domain per-packet rotation, RFC 4648 Base32 encoding, and A record QTYPE — eliminating static domain fingerprinting and fixing a silent Base32 decode corruption bug. All in pure x64 Assembly.

I accidentally reinvented a 1970s telecom algorithm at 5 AM while trying to shrink C2 payloads. Here’s how it works, why it’s effective, and a full walkthrough of the x64 Assembly implementation.