Ruikai Peng

Hey, I am Ruikai Peng.
I am a 16 years-old working on the security of the lowest parts of computer systems.
(I've been doing this since 11.)

here is very little what I do,
book an actual zoom call if you want actual to know me.
we can talk about snowboarding or musicals if you want

things about me:

• previous bugs I found
• Pwno, founder
  • We build AIs for real-world security problems
    at the innermost systems that billions used daily
• retr0.blog, storytell of how I exploit bugs from the lowest part of computers
  • exploiting a heap overflow in llama.cpp
  • creating a one-click rce in evernote
  • rop'ing a tenda router
  • ...


• Youngest speaker at OAIC
  • Deductive Engine: Human Inspired Taint Reasoning
  • I talked about how I designed a human-inspired taint engine via LLM reasoning, and how we used it found two overflows in Unitree Robodogs' BLE stack within 20 minutes
• Youngest speaker at Black Hat USA
  • Thinking Outside the Sink: Dataflow and Tree-of-Thoughts
  • I talked about we designed a dataflow engine inspired by Tree-of-Thoughts, and how we used it to do vulnerability discovery to PoCs generation (pruning, restriction generation and that kind of stuff)
• Youngest speaker at Zer0con
  • Llama's Paradox: Hardcore Inference Attack
  • I talked about how I use a super fun but complex way to RCE LLama.cpp via a little heap-overflow in tensor processing.
• Youngest member of Tencent Talent Program

Media stuff:

• Bugcrowd: Ruikai Peng, Spotlight
• Bloomberg: 16 y/o from CT, AI cyber startup
• questions / resume

fun facts:

• I did my first router ROP at 12
• I can play neon by john mayer
• I played troy bolton in middle school