Reversing

Join us at Etsy’s Code as Craft

We’re excited to announce that Sophia D’Antoine will be the next featured speaker at Etsy’s Code as Craft series on Wednesday, February 10th from 6:30-8pm in NYC. What is Code as Craft? Etsy Code as Craft events are a semi-monthly series of guest speakers who explore a technical topic or computing trend, sharing both conceptual […]

Flare-On Reversing Challenges 2015

Trail of Bits
This summer FireEye’s FLARE team hosted its second annual Flare-On Challenge targeting reverse engineers, malware analysts, and security professionals. In total, there were eleven challenges, each using different anti-reversing techniques and each in different formats. For example, challenges ranged from simple password crack-mes to kernel drivers to stego in images. This blogpost will highlight four […]

ReMASTering Applications by Obfuscating during Compilation

Trail of Bits
In this post, we discuss the creation of a novel software obfuscation toolkit, MAST, implemented in the LLVM compiler and suitable for denying program understanding to even the most well-resourced adversary. Our implementation is inspired by effective obfuscation techniques used by nation-state malware and techniques discussed in academic literature. MAST enables software developers to protect […]