Suspicious Tycoon PhaaS Panel Domain Lookup (via dns_query)

ATT&CK techniques

Cred Access

Recon
Resource Dev
Initial Access
Execution
Persistence
Priv Esc
Defense Evasion
Cred Access
- T1539Steal Web Session Cookie
Discovery
Lateral Movement
Collection
C2
Exfiltration
Impact

What it detects

This rule detects DNS resolution of ailinux.ru, the TycoonGroup Phishing-as-a-Service control panel domain associated with voicemail-themed credential phishing. Contact with this host indicates interaction with the AiTM phishing backend used to steal session cookies valid for up to a year. It surfaces credential and MFA theft infrastructure.

Reporting behind it

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Suspicious Tycoon PhaaS Panel Domain Lookup (via dns_query)

Pivot detection · T1539 · 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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