Ryan O'Neill

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Main Stage·46 min

DEF CON
Malware
Date: Aug 2023
Location: Las Vegas

Revolutionizing ELF Binary Patching with Shiva

Ryan O'Neill

Ryan O'Neill (ElfMaster) presents Shiva, a revolutionary JIT binary patching system and custom ELF interpreter that loads and links relocatable C patches at runtime.

elfbinary-patchingreverse-engineering+2

Main Stage·47 min

DEF CON
Blue Team
Date: Aug 2015
Location: Las Vegas

Advances in Linux Process Forensics Using ECFS

Ryan O'Neill

Ryan O'Neill introduces the Extended Core File Snapshot (ECFS) format, enabling granular dead-state forensic reconstruction of injected Linux processes.

linux-forensicsmemory-forensicscoredump+2