About Me. Cybersecurity Enthusiast

Hey, I’m Ivan Dokolyakov.

Offensive security learner focused on Active Directory and Web. I publish reproducible write-ups and tool-driven playbooks — commands in, evidence out. Fluent in German & English.

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CPTS certificate
CERT
Certified Penetration Testing Specialist (CPTS) (Hack The Box)
2025


Google Cybersecurity Certificate
CERT
Google Cybersecurity Certificate
2024

What I build

  • Step-by-step write-ups with exact inputs/outputs.
  • Playbooks that chain tools (BloodHound → Rubeus → Mimikatz).
  • Detection notes: logs, artifacts, simple Sigma-style ideas.

Topics I write about

  • Kerberoast / AS-REP / PtT / PtH, DCSync, AD CS.
  • Web: SQLi, XSS, File Uploads, XXE.
  • Pivoting: SSH/Ligolo-NG/ProxyChains.