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HTBN/AMachine

HTB Machine: CyberNexus (Active VIP+)

XESXOR9/2/20261 min read
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HTB Machine: CyberNexus (Active VIP+)

Platform: HackTheBox Difficulty: Insane Status: Active OS: Linux

Enumeration & Zero-Day Recon

Advanced TCP/UDP scan on active box. Custom gRPC service running on port 9090.

Foothold & Exploitation

Type confusion vulnerability in gRPC message deserialization leading to RCE.

Root Flag & Privilege Escalation

Kernel exploit via eBPF map manipulation. Full walkthrough available exclusively for XESXOR Pro subscribers.