Hancliffe

Verified writeups for the Hancliffe machine of Hack The Box

Hancliffe

$ tldr URI normalization → NUXEO SSTI → Unified Remote RCE → BOF socket

·	·
Operating system	Windows
Difficulty	Hard
Vector	Binary
IP	10.10.11.115
Retirement date	2022-03-05
Skills	Abusing URI Normalization Server Side Template Injection (SSTI) [NUXEO Vulnerability] Unified Remote 3 Exploitation (RCE) Decrypt Mozilla protected passwords Reversing EXE in Ghidra Buffer Overflow (Socket Reuse Technique) [AVANZADO]

Writeups

Language	Author	Format	Link
🇪🇸 ES	S4vitar	Vídeo	Open
🇬🇧 EN	0xdf	Texto	Open
🇬🇧 EN	IppSec	Vídeo	Open

Skill resources

Curated documentation for each technique listed in the Skills column above. Sources: HackTricks, GTFOBins, PortSwigger, etc.

Skill	Source	Link
SSTI (Server-Side Template Injection)	PortSwigger	Open
Buffer Overflow (BoF / ROP)	HackTricks	Open
Remote Code Execution (RCE)	HackTricks	Open

Related skills worth mastering

Local File Inclusion (LFI) · Remote File Inclusion (RFI) · Shellshock (CVE-2014-6271)

If you liked this machine, try

• Buff — Windows, Easy
• Ellingson — Linux, Hard
• Overflow — Linux, Hard
• Doctor — Linux, Easy
• Flustered — Linux, Medium

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Last updated: 2026-06-07