Yoann Dequeker (@OtterHacker) is a red team operator at Wavestone entitle with OSCP and CRTO certification. Aside from his RedTeam engagements and his contributions to public projects such as Impacket, he spends time working on Malware Development to ease beacon deployment and EDR bypass during engagements and is currently developing a fully custom C2. His research leads him to present his results on several conferences such as LeHack (Paris), Insomni'hack (Swiss) or even through a 4-hour malware workshop at Defcon31 (Las Vegas). All along the year, he publishes several white papers on the techniques he discovered or upgraded and the vulnerabilities he found on public products.