TLDR InfoSec · STRATEGIES & TACTICS
SSH KEYSTROKE OBFUSCATION BYPASS
Summary from the TLDR InfoSec newsletter
OpenSSH 9.5 added keystroke timing obfuscation to prevent traffic analysis attacks. The feature hides keystroke timings and floods chaff packets to obscure real keystrokes. This blog post walks through how analyzing packet sizes can reveal keystrokes and their types, aiding in traffic analysis.