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Sapphire

Sapphire

Code Obfuscation 1.0— Flattening

In this blog post series about analysis and obfuscation, I decided to start with one of the most common techniques: Flattening.

Dec 4, 2020

Code Obfuscation 1.0— Flattening

Dec 4, 2020

Sapphire

Diving into the Sun — SunCrypt: A new neighbour in the ransomware mafia

The first time I heard about SunCrypt I was just enjoying my time off preparing some stuff to get dinner ready. My colleagues sent me over…

Nov 12, 2020

Diving into the Sun — SunCrypt: A new neighbour in the ransomware mafia

Nov 12, 2020

Sapphire

REvil aka Sodinokibi Ransomware Operator interview — English Version

For a long time the World has been hearing the ransomware word a lot since Wannacry and still today many hosts for different reasons are…

Nov 12, 2020

REvil aka Sodinokibi Ransomware Operator interview — English Version

Nov 12, 2020

Sapphire

Mespinoza Analysis — New ransomware variant targets France

More ransomware analysis! Many companies and institutions are experiencing a strong season of ransomware attacks leveraged by different…

Jun 3, 2020

Mespinoza/Pysa ransom note

Jun 3, 2020

Sapphire

Deathransom analysis — Playing with ransomware

After some time practising in my free time I decided to put some of the work out and publish a malware analysis report in my blog.

Mar 16, 2020

deathransom ransomware header

Mar 16, 2020

Sapphire

C2 Antiforensics: Evading network detection with Metasploit

I wanted to put emphasis on Metasploit since is widely used and known by penetration testers, Red Teamers, but also used by many threat…

Feb 24, 2020

C2 Antiforensics: Evading network detection with Metasploit

Feb 24, 2020

Sapphire

C2 Forensics: Analyzing Metasploit traffic

When working on network traffic analysis, responders need to identify quickly the severity and the depth of the incident once it has been…

Feb 24, 2020

C2 Forensics: Analyzing Metasploit traffic

Feb 24, 2020

Sapphire

Cyberwarfare History Class 1 -Attacking Serbian Cyberspace

There’s a lot of stories nowadays about breaches, intrusions and events around the world. Cyber security is a very fast paced environment…

Jan 18, 2019

Cyberwarfare History Class 1 -Attacking Serbian Cyberspace

Jan 18, 2019

Sapphire
in
void security

The Red Fortress: hardening for your C&C

In this story, I’ve decided to talk a little bit about this cool mixture that almost everyone in infosec love: read team + blue team.

Sep 25, 2018

The Red Fortress: hardening for your C&C

Sep 25, 2018

Sapphire
in
void security

AWS Networking: A bit more about the Amazon’s Cloud Backbone

Amazon Web Services a well known IaaS (Infrastructure As A Service) cloud platform to deploy services like virtual machines, storage…

Jun 25, 2018

AWS Networking: A bit more about the Amazon’s Cloud Backbone

Jun 25, 2018

Sapphire

Sapphire

Kimchi and Ransomware. Incident Responder and sort of malware analyst in my free time. Personal blog, opinions are my own.

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