Feed
Pro
Search

Author

Write
Drafts

Bug0 - The AI-native e2e QA regression testing Passmark - The open-source AI framework for regression testing Hackathons Changelog Brand Hashnode gql skill - let your AI agent publish to your Hashnode blog The Foreword by Hashnode - official blog from the Hashnode team @hashnode on X Hashnode on LinkedIn Support - hello+support@hashnode.com Code of Conduct Terms Privacy Sitemap
Sign in

Search Hashnode

Search posts, tags, users, and pages

@zeroday504

z3r0day504

@zeroday504·Joined May 2021

Catching bad guys in the cyberverse

About

Security analyst with 5 years of experience in incident response and digital forensics.

Available for

Nothing here yet.

z3r0day504's blogs

MatryoshkaHaxmatryoshkahax.hashnode.dev10 posts

About

Security analyst with 5 years of experience in incident response and digital forensics.

Available for

Nothing here yet.

z3r0day504's blogs

MatryoshkaHaxmatryoshkahax.hashnode.dev10 posts

Articles Comments

Recently published

Zz3r0day504inmatryoshkahax.hashnode.dev·Jun 11, 2021 · 4 min read

Lsass and Credential Theft

What is Lsass.exe The Windows Local Security Authority Subsystem Service, or lsass.exe, is an executable native to all Windows operating systems. It is a core component of Windows OS security and is responsible for the following: Which users are all...

Zz3r0day504inmatryoshkahax.hashnode.dev·Jun 3, 2021 · 6 min read

Ransomware: What is it and why has it taken cyberspace by storm?

Unfortunately there is no rarity in daily news reporting on a new corporate victim of ransomware. The general population is most privy to its impacts because of the effects it has on the supply chain: fuel prices sky rocket, virtual services become u...

Zz3r0day504inmatryoshkahax.hashnode.dev·May 28, 2021 · 4 min read

Basic Security Log Analysis on Windows

Security log analysis is helpful and effective on Windows when it comes to characterizing activity involving user accounts, remote access to a network, and lateral movement amongst other behavior. Event Viewer is native to the Windows OS and allows y...

Zz3r0day504inmatryoshkahax.hashnode.dev·May 17, 2021 · 2 min read

CTF Tools and Resources

--Tool names in italics are native to Kali Multi-use tools CyberChef : Great tool for multi-layer crypto challenges, basic stego, and deobfuscation Stego Tools StegOnline : Online tool to manipulate RGB values in an image, modify image for least s...

Zz3r0day504inmatryoshkahax.hashnode.dev·May 17, 2021 · 2 min read

dCTF - Dragon

"Dragon" provides you the following prompt and image: Being that all that's provided is an image, one can assume that this will be a steganography challenge and that the flag is somehow hidden in the image. steghide will not work because the file f...