Icefog
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The way of propagation
Social engineering -
Purpose/Functions
Cyberespionage , Data wiping -
Special features
Custom-made cyberespionage tools, particularly the "Icefog" backdoor set (also known as "Fucobha")
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Targets
Government entities , High technology companies , Maritime and ship-building groups , Mass media and TV , Military , Satellite operators , Telecoms -
Artefacts/Attribution
The name "Icefog" comes from a string used in the command-and-control server name of one of the malware samples.
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Description
A threat actor targeting government institutions, military contractors, maritime groups, telecom and satellite operations, and industrial and high-tech companies, primarily in South Korea and Japan, since 2011. The group relies on spear-phishing and known vulnerabilities to infect the system. They then use their custom-made cyber-espionage tools to steal e-mail and account passwords, sensitive information, and company plans.