root@z2r:~/blog/category#ls -la

<All Posts />

Browse all cybersecurity writeups, tool releases, and research. (Page 2)

> grep -i
CTF WRITEUPSACTIVE DIRECTORY

HackSmarter - ShadowGate

HackSmarterEasy

Compromising the ShadowGate Active Directory lab through a chained attack path — from AS-REP roasting and ACL abuse via Shadow Credentials, to coercing the Domain Controller with PetitPotam and relaying its authentication into a certificate-based DCSync — culminating in full domain compromise via the krbtgt hash.

August 6, 20268 min read
CTF WRITEUPSBOOT2ROOT

HackSmarter - SysAdmins

HackSmarterMedium

In this HackSmarter SysAdmins lab, I chained anonymous FTP disclosure, OSINT, SNMPv3 username and credential reuse, and a critical sudo privilege escalation (CVE-2025-32463) to move from initial access to full root compromise.

August 6, 202611 min read
CTF WRITEUPSCLOUD

HackSmarter - Rotation

HackSmarterMedium

This is a Medium AWS Challenge Lab, it is an IAM privilege escalation via access key rotation abuse.

August 6, 20268 min read
CTF WRITEUPSCRYPTO

HTB - The Ashen Field

HackTheBoxEasy

Exploit a standard implementation of the Hidden Field Equations protocol via Groebner Basis

August 5, 20266 min read
CTF WRITEUPSCRYPTO

HTB - False Witness

HackTheBoxEasy

Predictable hash function that results in breaking the decisional problem by enumerating all group elements.

August 5, 20267 min read
CTF WRITEUPSCRYPTO

HTB - Fractured Seal

HackTheBoxEasy

Recover RSA private key given leaked information from PEM file using Coppersmith's small roots

August 5, 20266 min read