~/talk

IoT Hacking 101: Reverse Engineering The Xiaomi Ecosystem

Talkat Nullcon Goa 2023 · 2023-09-20..09-24· [security, iot]
slides:none on file

Shows concrete exploits and methods: uses UART/JTAG/SWD and cheap tools (Raspberry Pi, multimeter, hot‑air, USB microscope, eMMC/SPI readers) to dump firmware and read flash; builds an emulated Mi Home app to send arbitrary RPCs and push OTAs; finds hardcoded S3 crash uploads leaking account tokens, device IDs that are incremental, serial‑derived root passwords, camera images left on flash, and a firmware signing scheme that allows creating accepted fake firmwares. Many attacks produce root on live devices and remote account access.

AI-written summary · about

  1. 0:00Introduction, Goal, Agenda of the talk
  2. 5:38Motivation
  3. 12:59IoT Devices from a Hacker's perspective
  4. 22:34Hardware Reverse Engineering Methods
  5. 28:26The XIAOMI Ecosystem
  6. 32:27Reverse Engineering the Ecosystem
  7. 42:38Findings
  8. 48:44Summary
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