SapphireCode Obfuscation 1.0— FlatteningIn this blog post series about analysis and obfuscation, I decided to start with one of the most common techniques: Flattening.4 min read·Dec 4, 2020----
SapphireDiving into the Sun — SunCrypt: A new neighbour in the ransomware mafiaThe 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…16 min read·Nov 12, 2020----
SapphireREvil aka Sodinokibi Ransomware Operator interview — English VersionFor a long time the World has been hearing the ransomware word a lot since Wannacry and still today many hosts for different reasons are…13 min read·Nov 12, 2020----
SapphireMespinoza Analysis — New ransomware variant targets FranceMore ransomware analysis! Many companies and institutions are experiencing a strong season of ransomware attacks leveraged by different…7 min read·Jun 3, 2020----
SapphireDeathransom analysis — Playing with ransomwareAfter 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.8 min read·Mar 16, 2020----
SapphireC2 Antiforensics: Evading network detection with MetasploitI wanted to put emphasis on Metasploit since is widely used and known by penetration testers, Red Teamers, but also used by many threat…7 min read·Feb 24, 2020--1--1
SapphireC2 Forensics: Analyzing Metasploit trafficWhen working on network traffic analysis, responders need to identify quickly the severity and the depth of the incident once it has been…5 min read·Feb 24, 2020--1--1
SapphireCyberwarfare History Class 1 -Attacking Serbian CyberspaceThere’s a lot of stories nowadays about breaches, intrusions and events around the world. Cyber security is a very fast paced environment…4 min read·Jan 18, 2019----
Sapphireinvoid securityThe Red Fortress: hardening for your C&CIn this story, I’ve decided to talk a little bit about this cool mixture that almost everyone in infosec love: read team + blue team.6 min read·Sep 25, 2018----
Sapphireinvoid securityAWS Networking: A bit more about the Amazon’s Cloud BackboneAmazon Web Services a well known IaaS (Infrastructure As A Service) cloud platform to deploy services like virtual machines, storage…6 min read·Jun 25, 2018----
