Cron abuse

Cross-platform resources for Cron abuse: curated HTB machines, PortSwigger labs and TryHackMe rooms with validated writeups and related skills.

This page aggregates cross-platform resources to practice Cron abuse: retired Hack The Box machines, PortSwigger Web Security Academy labs and TryHackMe rooms, plus curated resources (HackTricks, PortSwigger, etc.) and related skills.

Coverage: 3 challenges across 1 platform — 3 HackTheBox. 2 with a Spanish writeup, 3 with a video writeup.

Where to start

Ordered by actual difficulty. At the same level: isolated lab first, then the guided room, and the full machine last.

1. HackTheBox — Bashed (Fácil) · 🇬🇧 📹
2. HackTheBox — SolidState (Medio) · 🇪🇸 🇬🇧 📹
3. HackTheBox — Fighter (Insano) · 🇪🇸 🇬🇧 📹

Curated resources

Source	Link
HackTricks	https://book.hacktricks.wiki/en/linux-hardening/privilege-escalation/index.html

HTB machines practicing Cron abuse (3)

Machine	OS	Difficulty	Writeup
Bashed	Linux	EASY	🇬🇧 📹
Fighter	Windows	INSANE	🇪🇸 🇬🇧 📹
SolidState	Linux	MEDIUM	🇪🇸 🇬🇧 📹

Related skills

• /en/skills/sudo-abuse
• /en/skills/linpeas

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Last updated: 2026-08-13