Hack The Box

Business CTF 2025
Operation Blackout

HTB's annual corporate cybersecurity competition where teams from companies worldwide compete in real-world attack and defense scenarios. Forensics, red team operations, and incident response challenges simulating enterprise-scale breaches and APT intrusions.

Business CTF Forensics Hard Tier Operation Blackout
Quick Stats
1
Challenge
Forensics
Category
Hard
Tier
2025
Year
Business CTF 2025 — Operation Blackout
Business CTF Forensics Hard

Driver's Shadow — Unmasking the Kernel Intruder

Linux memory forensics deep dive with Volatility3. Hunting a kernel rootkit that uses ftrace hooks for syscall interception, XOR-obfuscated payloads, udev persistence, and covert IPC via the kill syscall. Full chain from ISF generation to kernel module extraction and reverse engineering.