Hadrien Barral

Main Stage·43 min

• DEF CON
• Red Team
• Date: Aug 2022
• Location: Las Vegas

Hadrien Barral

Hadrien Barral demonstrates crafting fully functional executable shellcode consisting entirely of valid multi-byte UTF-8 emoji characters.

Main Stage·38 min

• DEF CON
• AppSec
• Date: Aug 2020
• Location: Online

Hadrien Barral · Rémi Géraud-Stewart

Hadrien Barral and Rémi Géraud-Stewart disclose DNSSECTION, demonstrating subtle structural attacks on DNS and DNSSEC record validation.

Main Stage·32 min

• DEF CON
• AppSec
• Date: Aug 2020
• Location: Online

Hadrien Barral · Rémi Géraud-Stewart

Hadrien Barral and Rémi Géraud-Stewart answer questions on DNSSECTION attacks, DNS record parsing semantics, and DNSSEC resolver validation.