The Language and Nature of Fileless Attacks Over Time
Lenny Zeltser
OCTOBER 12, 2018
You can get a sense for such dynamics by examining the term fileless. It fascinates me not only because of its relevance to malware, but also because of its knack for agitating many security practitioners. Fileless was synonymous with in-memory until around 2014. Purely in-memory malware disappears once the system restarts.
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