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Unfading Sea Haze threat group

Unfading Sea Haze is a threat group thought to operate from China. Public reporting about it is still limited. This free profile brings together what is known about it, so you can judge the risk to you. It lists the other names the group goes by and links to every public report behind it.

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Attack techniques
0
Public reports
2
Thought to operate from
China
Other names
None
Built from public reporting, with every source listed below.
Overview

Who is Unfading Sea Haze?

Unfading Sea Haze is tracked under one name in security research. Below is what published reporting says about it, with a link to every report so you can check the detail yourself.

What public reporting says

Unfading Sea Haze is a threat actor focused on espionage, targeting government and military organizations in the South China Sea region since 2018. They employ spear-phishing emails with malicious attachments to gain initial access, followed by the deployment of custom malware such as Gh0st RAT variants and SharpJSHandler. The group utilizes scheduled tasks and manipulates local administrator accounts for persistence, while also incorporating Remote Monitoring and Management tools into their attacks. Unfading Sea Haze demonstrates a sophisticated and patient approach, remaining undetected for years and showing adaptability through evolving exfiltration tactics and malware arsenal.

Public reports about Unfading Sea Haze (2)

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Unfading Sea Haze is a threat group thought to operate from China. Public reporting about it is still limited.

Public reporting places Unfading Sea Haze as operating from China. Attribution is never certain: it rests on the tools, infrastructure and targets researchers have seen.

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