Firewall Rule Manipulation via AuthorizedApplications Registry List

ATT&CK techniques

Recon
Resource Dev
Initial Access
Execution
Persistence
Priv Esc
Defense Evasion
Cred Access
Discovery
Lateral Movement
Collection
C2
Exfiltration
Impact

What it detects

This rule detects modification of the firewall AuthorizedApplications List registry key, the technique the Phorpiex downloader uses to whitelist its own binary for outbound access. Adding a program to this legacy firewall exception list enables command-and-control while evading network defenses.

Reporting behind it

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Firewall Rule Manipulation via AuthorizedApplications Registry List

Pivot detection · T1686 · 9 related

Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.

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