Cybersecurity Research

Welcome to Atomic Matryoshka, a cybersecurity blog dedicated to malware reversing, digital forensics, incident response, and offensive security. Check out the latest content and feel free to share with the greater community.

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z3r0day_504

Mar 14, 2022
1 min

What is fuzzy hashing?

In a recent conversation with a coworker, the topic of fuzzy hashing came up and how frequently he uses it in his malware analysis...

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z3r0day_504

Feb 7, 2022
3 min

Basic PDF Analysis - Formbook Malware

Analysis of Formbook malware delivered via PDF file

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z3r0day_504

Jan 9, 2022
4 min

Malware Headliners: Dridex

Dridex is a banking trojan that has plagued the cyberverse for years. Check out this post for some initial malware analysis.

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"Cracking Open the Malware Piñata" Series: Intro to Dynamic Analysis with RedLineStealer

z3r0day_504

Jan 2, 2022
6 min

"Cracking Open the Malware Piñata" Series: Intro to Dynamic Analysis with RedLineStealer

Dynamic analysis involves running a binary and observing its behavior in a controlled environment. This can be of significant benefit...

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"Cracking Open the Malware Piñata" Series: Intro to Static Analysis with Kazy Trojan

z3r0day_504

Dec 27, 2021
7 min

"Cracking Open the Malware Piñata" Series: Intro to Static Analysis with Kazy Trojan

Static analysis, put concisely, is getting information from a specimen without actually executing/detonating it. While it is less...

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"Cracking Open the Malware Piñata" Series: Analysis Environment Setup

z3r0day_504

Dec 20, 2021
5 min

"Cracking Open the Malware Piñata" Series: Analysis Environment Setup

In recent weeks I've spent a good amount of time delving into a topic that truly fascinates me, and that's malware reverse engineering....

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