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hoS / blog
Author
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Luiz Cunha

5 posts

red team pentester on web, api and internal network. crto, crta, ad-rts.

www.linkedin.com ↗ blog ↗

> posts

2026-09-14 15 min
[writeup]

Ronin66 Matrioska Writeup

Anonymous FTP leaks an SNMP string, SNMP leaks a service password, a System32 dump gives the Administrator hash, and SeImpersonatePrivilege finishes it.

Ronin66 Matrioska Windows SNMP
2026-09-11 14 min
[writeup]

Ronin66 Dungeon Writeup

A Flask dice app drops its Bearer cookie into a SQL query, MySQL as root gives file read and write, and a privileged Compose job hands over the host.

Ronin66 Dungeon Linux SQL Injection
2026-09-10 7 min
[writeup]

Ronin66 Recovery Writeup

An SMB null session leaks a password in a description field, then Shadow Credentials, a credential buried in a custom binary, a Kerberoast and RBCD over the DC.

Ronin66 Recovery Windows Active Directory
2026-09-10 7 min
[writeup]

Ronin66 Poet Writeup

A Flask note library hands out any local file, /proc/self/environ leaks the admin secret, render_template_string gives a shell, and a SUID fetcher writes UID 0.

Ronin66 Poet Linux LFI
2026-09-09 7 min
[writeup]

Ronin66 Buoy Writeup

Anonymous FTP exposes a Roundcube backup with database credentials, CVE-2025-49113 gives code execution, and a root cron running tar with a wildcard roots it.

Ronin66 Buoy Linux FTP
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