Malicious C2 Configuration Stored in Registry via TitanPlus Key (via registry_set)

ATT&CK techniques

Persistence → Defense Evasion

Recon
Resource Dev
Initial Access
Execution
Persistence
- T1112Modify Registry
Priv Esc
Defense Evasion
- T1112Modify Registry
Cred Access
Discovery
Lateral Movement
Collection
C2
Exfiltration
Impact

What it detects

This rule detects the creation of the TitanPlus registry key used by the STAC5777 threat cluster to store a list of command and control IP addresses and ports read by a sideloaded malicious DLL. The activity followed Microsoft Teams vishing and Quick Assist abuse and provides resilient C2 configuration storage.

Reporting behind it

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Malicious C2 Configuration Stored in Registry via TitanPlus Key (via registry_set)

Pivot detection · T1112 · 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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