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The APT Files #1: The Comment Crew
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Quick Details
Suspected Origin: China, 2006
Other Names: Unit 61398, Byzantine Hades, Comment Panda, GIF89a, Brown Fox
Target Region(s): Eastern Asia, North America
Attack Vectors: Spearphishing, Data theft
Tools observed: Poison Ivy, Mimikatz exploit tool, SeaSalt, Ecltys, Downbot, Barkiofork, AURIGA, BANGAT, OceanSalt
Hacker Words
- Command and Control Server — A computer used to control malware
- Function calls — A command in a program to run a specific task
- Spear-phishing — A specially crafted email to trick a specific person
- Threat group — A group of hackers that work together
- Macro — An automated input sequence that imitates keystrokes or mouse actions
- PHP — A programming language used to create web pages
- Portable Executable — A Windows Executable that is highly compatible on various platforms
The Comment Crew is a threat group suspected to be the 2nd Bureau of the People’s Liberation Army (PLA) General Staff Department’s (GSD) 3rd Department in China (Trust me, it was…









