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T1041 Exfiltration Over C2 Channel Mappings

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.

View in MITRE ATT&CK®

Mappings

Capability ID Capability Description Mapping Type ATT&CK ID ATT&CK Name Notes
AC-4 Information Flow Enforcement Protects T1041 Exfiltration Over C2 Channel
CA-7 Continuous Monitoring Protects T1041 Exfiltration Over C2 Channel
SC-7 Boundary Protection Protects T1041 Exfiltration Over C2 Channel
SI-3 Malicious Code Protection Protects T1041 Exfiltration Over C2 Channel
SI-4 System Monitoring Protects T1041 Exfiltration Over C2 Channel
azure_sentinel Azure Sentinel technique_scores T1041 Exfiltration Over C2 Channel
Comments
The Azure Sentinel Analytics "Powershell Empire cmdlets seen in command line" query can detect the use of Empire, which can send data gathered from a target through a command and control channel, but does not address other procedures.
References
  1. https://docs.microsoft.com/en-us/azure/sentinel/overview
  2. https://docs.microsoft.com/en-us/azure/sentinel/hunting
azure_dns_analytics Azure DNS Analytics technique_scores T1041 Exfiltration Over C2 Channel
Comments
This control can potentially be used to forensically identify exfiltration via a DNS-based C2 channel.
References
  1. https://docs.microsoft.com/en-us/azure/azure-monitor/insights/dns-analytics