# publicmosaic.sigma.yml — generated 2026-10-30 20:37 UTC — TLP:CLEAR # source: https://publicmosaic.com — published for defensive use # scope: asn 206378 — https://publicmosaic.com/asn/206378 # covers listed listeners only; archived listings omitted: 0 # A withdrawal can take up to five minutes to reach this file. Each address's page under publicmosaic.com/ip/ is authoritative. title: 'AS206378 — connections to listed C2 hosts' id: 74921ef4-3d7b-88b6-b4ef-313cc1fe4c5e status: experimental description: 'Outbound connection to an address Public Mosaic listed as a C2 host when this file was generated.' references: - 'https://publicmosaic.com/asn/206378' author: 'Public Mosaic' date: 2026-09-20 modified: 2026-10-30 tags: - attack.command_and_control - tlp.clear logsource: category: network_connection detection: selection_p80: DestinationIp: - 193.8.187.10 DestinationPort: 80 selection_p443: DestinationIp: - 193.8.187.10 DestinationPort: 443 condition: 1 of selection_* falsepositives: - 'Shared hosting: an address can later serve other tenants. Its host page shows whether it is still listed.' level: high