Adversaries may use fallback or alternate communication channels if the primary channel is compromised or inaccessible in order to maintain reliable command and control and to avoid data transfer thresholds.
View in MITRE ATT&CK®| Capability ID | Capability Description | Mapping Type | ATT&CK ID | ATT&CK Name | Notes |
|---|---|---|---|---|---|
| firewalls | Firewalls | technique_scores | T1008 | Fallback Channels |
Comments
Google Cloud Firewalls can allow or deny traffic based on the traffic's protocol, destination ports, sources, and destinations. This functionality can be used to block communication with known fallback channels by filtering based on known bad IP addresses and domains. This mapping is given a score of Partial because it only protects against known fallback channels and not channels yet to be identified.
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