MITRE ATT&CK CoA - T1041 - Exfiltration Over C2 Channel

This Playbook is part of the MITRE ATT&CK - Courses of Action Pack.

Supported versions

Supported Cortex XSOAR versions: 6.5.0 and later.

This playbook Remediates the Exfiltration Over C2 Channel technique using intelligence-driven Courses of Action (COA) defined by Palo Alto Networks Unit 42 team.

***Disclaimer: This playbook does not simulate an attack using the specified technique, but follows the steps to remediation as defined by Palo Alto Networks Unit 42 team’s Actionable Threat Objects and Mitigations (ATOMs). Techniques Handled:

• T1041: Exfiltration Over C2 Channel

Kill Chain phases:

• Exfiltration

MITRE ATT&CK Description: Adversaries may steal data by exfiltrating it over an existing command and control channel. Stolen data is encoded into the normal communications channel using the same protocol as command and control communications.

Possible playbook uses:

• The playbook can be used independently to handle and remediate the specific technique.
• The playbook can be used as a part of the “Courses of Action - Defense Evasion” playbook to remediate techniques based on the kill chain phase.
• The playbook can be used as a part of the “MITRE ATT&CK - Courses of Action” playbook, which can be triggered by different sources and accepts the technique MITRE ATT&CK ID as an input.

Dependencies

This playbook uses the following sub-playbooks, integrations, and scripts.

Sub-playbooks

• PAN-OS - Block all unknown and unauthorized applications
• PAN-OS - Enforce Anti-Spyware Best Practices Profile

Integrations

This playbook does not use any integrations.

Scripts

• SetGridField
• Set

Commands

This playbook does not use any commands.

Playbook Inputs

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Name	Description	Default Value	Required
pre_post	Rules location. Can be 'pre-rulebase' or 'post-rulebase'. Mandatory for Panorama instances.		Optional
device-group	The device group for which to return addresses (Panorama instances).		Optional
tag	Tag for which to filter the rules.		Optional

Playbook Outputs

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Path	Description	Type
Handled.Techniques	The techniques handled in this playbook	unknown

Playbook Image

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