I'm Velkris - a cybersecurity practitioner and red team operator. Field notes on offensive tooling, malware internals, and adversary tradecraft.
Writing
- 2026-07-27 A new coat of black
- 2026-07-25 TLSH: fuzzy hashing for malware clustering
- 2026-07-21 How Kerberoasting works
- 2026-07-15 AMSI internals: where the scan actually happens
- 2026-07-09 Domain dominance: persistence after Domain Admin
- 2026-07-03 Reading entropy to spot packed code
- 2026-06-24 Kerberos delegation abuse: unconstrained, constrained, RBCD
- 2026-06-12 Imphash: fingerprinting malware by its imports
- 2026-05-29 Golden, silver, and diamond tickets
- 2026-05-20 Kerberos, end to end
- 2025-10-29 Welcome to My Blog