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Technique Results: Data Compressed (T1002) Technique Page Information

The ATT&CK technique page displays all procedures used to test the technique, and their respective detections. The Procedure column contains a description of how the technique was tested . The Step column is where the procedure occurred in the operational flow. Click the Step Number to view it in the Operational Flow panel. Detections are classified by one or more Detection Types, summarized by the Detection Notes, and may be supported by screenshots.

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Main Detection Categories: Detection Modifiers:

None

Telemetry

Indicator of
Compromise

General
Behavior

MSSP

General

Tactic

Specific
Behavior

Technique

Enrichment

Tainted

Alert

Correlated

Delayed

Host
Interrogation

Residual
Artifact

Configuration
Change

Innovative
Procedures Criteria Step
Detection Type Detection Notes
Compressed and stored files into ZIP (Draft.zip) using PowerShell
powershell.exe executing Compress-Archive
2.A.4
Technique (Correlated)
A Technique detection for "Data Compressed" was generated for powershell.exe compressing via Compress-Archive. The event was correlated to a parent General detection for malicious file execution. [1]
Telemetry (Correlated)
Telemetry showed powershell.exe compressing via Compress-Archive. The event was correlated to a parent General detection for malicious file execution. [1]
Compressed data from the user's Downloads directory into a ZIP file (OfficeSupplies.7z) using PowerShell
powershell.exe creating the file OfficeSupplies.7z
7.B.2
Telemetry (Correlated)
Telemetry showed the file create event for OfficeSupplies.7z. The detection was correlated to a parent alert for malicious file execution. [1]
Compressed staged ZIP (working.zip in AppData directory) into working.zip (on Desktop) using rar.exe
powershell.exe executing rar.exe
9.B.7
Technique (Correlated, Alert)
A Technique alert detection (medium severity) for "T1002 Data Compressed" was generated when rar.exe used "-hp" command-line arguments. This event was correlated to a General detection for the execution of a malicious file (python.exe). [1]
Telemetry (Correlated)
Telemetry showed powershell.exe executing rar.exe with command-line arguments. This event was correlated to a General detection for the execution of a malicious file (python.exe). [1]
Compressed a staging directory using PowerShell
powershell.exe executing the ZipFile.CreateFromDirectory .NET method
17.C.1
Telemetry (Correlated)
Telemetry showed PowerShell compressing collection via the ZipFile.CreateFromDirectory .NET method. The detection was correlated to a parent alert for a suspicious Windows script. [1]