MITRE ATT&CK technique

T1560.003

Archive via Custom Method

An adversary may compress or encrypt data that is collected prior to exfiltration using a custom method. Adversaries may choose to use custom archival methods, such as encryption with XOR or stream ciphers implemented with no external library or utility references. Custom implementations of well-known compression algorithms have also been used.(Citation: ESET Sednit Part 2)

TA0009

Linked Daily items

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Linked Incidents

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Predicted CVE associations

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