Archive Collected Data: Archive via Custom Method T1560.003

Tactic: Collection

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.

Events covered

2 catalog events are tagged with this technique by at least one rule.

ProviderEventTitle
ESFunlinkFile Unlink
ESFwriteFile Write

Authoring guide

These 1 rule share fields, values, and exclusions.

Fields filtered most (3 distinct)

These fields appear most often in rule filters.

FieldRulesHowSample values
EventType1eq 1deletion, modification
TargetFilename1starts_with 1/private/tmp/, /tmp/, /var/tmp/
process_name1starts_with 1.

Top indicator values (6 distinct)

These values appear most often in rule predicates.

Exclusions (2 distinct)

These values appear most often in top-level exclusions.

FieldKindValueRules excluding
Effective_process.executableeq
/Applications/Visual Studio Code - Insiders.app/Contents/MacOS/Code - Insiders
1
Imagestarts_with
/nix/store/
1

Rules under this technique

These vendors publish rules tagged with this technique.

Platform: macOS

Domain: Endpoint

Elastic 1 rule