André Lima
Advisense, Team Leader of Cyber Operations
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Andre Lima is a Team Leader and Red Team operator doing it since 2011, who has worked in Portugal, Australia, and now leading the Cyber Operations Team at Advisense in Oslo.
He is also a researcher and tries to publish as often as possible at his Youtube channel (https://www.youtube.com/@0x4ndr3), and blog (https://medium.com/@0x4ndr3), while also doing presentations at security conferences (https://github.com/0x4ndr3/Presentations).
His main areas of expertise are reverse engineering, exploit development, and malware development with a focus on EDR bypasses.
When not working, he enjoys playing basketball, tennis, or simply watching Formula1.
High performance fuzzing
In this talk, I will be showing how to develop a fuzzer by writing my own, start with a simple but obviously slow implementation, and start adding techniques to it to make it faster and faster. These techniques require a deep technical understanding of how the Operating System works, but also how the CPU works. I'll be giving detailed explanations about how to use all CPU cores, how to make sure no time is wasted in the kernel, and why is that important, but also write your own fuzzing emulator and how to write faster assembly code that will speed it up. The results in speed will be mind blowing! This will all be put into context at the beginning of the talk, in order for you to understand that speed is, however, just one variable in designing a great fuzzer.
Sikkerhetsfestivalen 2024
Advanced malware in 2023. How prepared are you?
This presentation aims to address the maturity level of companies in Norway in a world where cyber warfare seems to be the new standard, while the country holds very relevant infrastructure that must be kept safe for obvious reasons. We will be addressing defensive teams (Blue Teams) and people responsible for the security of their companies, and question how prepared they are for new trends of attacks, including malware running in the Windows kernel, and even at a lower level, and analyze how more and more malware are slowly getting into this more advanced stage. The presentation will include practical demos of some of the advanced capabilities that such malware possess, while running trusted proof-of-concepts developed internally at PwC Norway.
Sikkerhetsfestivalen 2023
André Lima
Advisense, Team Leader of Cyber Operations
Actions
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