HackTheBox Pro Lab: Heron

Complete step-by-step walkthrough of HackTheBox Heron Pro Lab — all 21 flags covered across 6 machines. Flask Jinja2 SSTI → pip injection root → HashiCorp Vault root token credential dump → AD BloodHound ForceChangePassword chain → DCSync domain compromise.

lazyhackers
Mar 28, 2026 · 1 min read · 5 views

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