#T1560.003 Archive via Custom Method

Technique

  • Tactics: Collection
  • Description:

    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)

  • First Seen: APT Profile: Who is Lazarus Group? • 2021-12-02
MITRE ATT&CK

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