Who Am I

  • I am tianstcht
  • r3kapig/wdnmd/NEX
  • Interested in pwn/vulnerability discovery/virus AV
  • Learning v8 exploit and chrome fullchain now
  • Like to web/penetration test/AD as a script kid

CTF

  • 2021 0ctf Quals 4th, Final 2nd
  • 2021 Defcon Quals 5th, Final 15th
  • 2022 Realworld ctf 4th
  • 2022 Defcon Quals 13th, Final 12th
  • 2022 强网杯 Quals 1st，Final 2nd
  • 2023 Realworld ctf 4th
  • 2022 idek ctf 2nd

Work

  • 2019.5-2019.9. Network Security Researcher of WeiRan Lab@Huawei
  • 2020.6-2020.9. Binary Security Researcher@StarCross
  • 2022.2-2022.8 Binary Security Researcher@Chaitin
  • Now. Job Hunting

Education

  • 2016-2017. Metallurgical Engineering in NEU of China.
  • 2017-2020. Information Security in NEU of China.
  • 2020-2022. Cyberspace Security in BUAA of China.

Vul List

Others

  • CVE-2022-1222: infinite loop when parsing avi format file in gpac
  • CVE-2022-24792: Potential infinite loop when parsing wav format file in pjsip