Research Index

Technical writeups on reverse engineering, device security, and the systems that decide whether your phone is real.

/🔒 protected

Peeking Through the Blinds: An Inside Out View on Mobile's Toughest Problems.

Reversing DroidGuard, a 256 opcode virtual machine nightmare. Defeating BotGuard, one of the hardest antibots I have ever encountered. Then piecing it together with a novel kernel 0-day privilege escalation to extract the key that gives a phone its soul.

reverse-engineeringandroidplay-integritydroidguardsecurity