CuraSec

tag: C2-Framework · 1 items

2026-08-18 · The Hacker News · source ↗ #c2-framework#nation-state#dns-tunneling
  • Engineer — Learn: The technique of tunneling C2 traffic through DNS and Google Apps Script highlights the risk of assuming cloud-provider traffic is benign; worth reviewing egress controls and whether Google Apps Script domains are in a blanket allow-list on your proxy.
  • SOC/IR — Plan: Build or tune detections for anomalous DNS query volumes and unexpected Google Apps Script callouts from non-developer endpoints; the covert channel technique is novel enough to warrant adding hunt logic this quarter, though no specific IOCs are surfaced in this report.
  • Leader — Learn: Iranian nation-state actor using legitimate cloud services to mask C2 is relevant threat-landscape context, particularly for organizations with Israeli business ties, but no immediate leadership action is required.