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Technique Results: Exfiltration Over Command and Control Channel (T1041) 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
Read and downloaded ZIP (Draft.zip) over C2 channel (192.168.0.5 over TCP port 1234)
The rcs.3aka3.doc process reading the file draft.zip while connected to the C2 channel
2.B.1
Telemetry (Configuration Change (Detections))
Telemetry showed file read event for Draft.zip and an existing C2 channel (192.168.0.5 over port TCP 1234). [1] [2]
Read and downloaded ZIP (working.zip on Desktop) over C2 channel (192.168.0.5 over TCP port 8443)
python.exe reading the file working.zip while connected to the C2 channel
9.B.8
Telemetry (Configuration Change (Detections), Correlated)
Telemetry showed file read event for working.zip and an existing C2 channel (192.168.0.4 over TCP port 8443). This event was correlated to a General detection for the execution of a malicious file (python.exe). [1]