Avatar of Ma Sheng Hao.

Ma Sheng Hao

Senior Researcher
Sheng-Hao Ma(@aaaddress1) is currently working as a threat researcher at TXOne Networks, specializing in Windows reverse engineering analysis for over 10 years. In addition, he is currently a member of CHROOT, an information security community in Taiwan. He has also served as a speaker and instructor for various international conferences and organizations such as Black Hat USA, DEFCON, CODE BLUE, HITB, VXCON, HITCON, ROOTCON, Ministry of National Defense, and Ministry of Education. He is also the author of the popular security book "Windows APT Warfare: The Definitive Guide for Malware Researchers".
TXOne Networks, inc.
National Taiwan University of Science and Technology
Taiwan

Skills

C++
C
Assembly Language
Node.js
JavaScript
c#
python
X86 Assembly
Security
Exploit
Cyber Security

Languages

Chinese
Native or Bilingual
English
Fluent

Work experiences

Senior Researcher

TXOne Networks, inc.
Full-time

Mar 2021 ~ Present
Taipei City, Taiwan
Research the exploits used by the trendy Ransomware family e.g. REvil, and vulnerabilities used by national-level cyber armies, like CVE-2021-40444. Also published a semantic decompiler analysis engine in BlackHat USA and Code Blue in 2022.

Security Researcher

CyCraft

Nov 2020 ~ Present
Researched and created a new method on memory forensic and investigation in identifying malware signature, as well as methods of how Microsoft Windows weakness on WoW64 layer could be abused by hackers; researched mono project and made a .NET binary analysis engine in C++

Consultant

Institute for Information Industry

Feb 2019 ~ Feb 2020
1 yr 1 mo
Research trendy Windows exploit techniques used by APT organizations, e.g. UAC Bypassing, EoP, Persistence.

Intern

Industrial Technology Research Institute (ITRI)

Jul 2016 ~ Jul 2017
1 yr 1 mo
Build up a Python engine based on Nmap used for scanning vulnerable victims on the network.

Malware Researcher

Ministry of Justice Investigation Bureau (MJIB)

Jan 2015 ~ Jan 2016
1 yr 1 mo
Doing reversing engineering on that malware attacking Taiwan government, and writing reports about the behavior of the APT organization and conscious intention.

Educations

National Taiwan University of Science and Technology

Master’s Degree
Computer Science

2018 - 2020

I-Shou University

Bachelor of Science (BS)
Computer Science

2014 - 2018
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