Writer

Verified writeups for the Writer machine of Hack The Box

Writer

$ tldr RPC + SQLi load_file → command injection → cron + apt config privesc

·	·
Operating system	Linux
Difficulty	Medium
Vector	Web
IP	10.10.11.101
Retirement date	2021-12-11
Skills	RPC Enum SQLi Bypass Login + SQL Injection [Database Enumeration] SQLi - File System Enumeration (Abusing load_file) Python Code Analysis Command Injection Cracking Hashes Postfix Enumeration Abusing Cron Job [User Pivoting] Abusing apt config files [Privilege Escalation]

Writeups

Language	Author	Format	Link
🇪🇸 ES	S4vitar	Vídeo	Open
🇪🇸 ES	El Pingüino de Mario	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
OS Command Injection	PortSwigger	Open
Cracking Hashes (hashcat / John)	HackTricks	Open
SQL Injection	HackTricks	Open
SQL Injection	PortSwigger	Open
Port Forwarding / Pivoting	HackTricks	Open

Related skills worth mastering

Remote Code Execution (RCE) · Brute Force / Rate-Limit Bypass · Cross-Site Scripting (XSS)

If you liked this machine, try

• Nightmare — Linux, Insane
• Toby — Linux, Insane
• Node — Linux, Medium
• Cronos — Linux, Medium
• Union — Linux, Medium

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Comments & tips

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Last updated: 2026-06-07