TLDR InfoSec · STRATEGIES & TACTICS

INSIDE IMESSAGE-EXPORTER: REVERSE ENGINEERING APPLE'S TYPEDSTREAM FORMAT

chrissardegna.com7 min read

Summary from the TLDR InfoSec newsletter

Apple uses a proprietary and undocumented serialization format for serializing iMessage data. This researcher breaks down the process of reverse engineering the binary format, noting the patterns found, and shows how those assumptions are translated into the imessage-exporter tool.