# publicmosaic.sigma.yml — generated 2026-10-30 18:37 UTC — TLP:CLEAR # source: https://publicmosaic.com — published for defensive use # scope: cert b320ef0d0336e953692773b254eea76f72f1e339182b98b5e8d286f462d0db15 — https://publicmosaic.com/cert/b320ef0d0336e953692773b254eea76f72f1e339182b98b5e8d286f462d0db15 # 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: 'Certificate b320ef0d0336e953… — connections to listed C2 hosts' id: 80b48c36-c866-8ee3-b0c0-85c630d0b9b5 status: experimental description: 'Outbound connection to an address Public Mosaic listed as a C2 host when this file was generated.' references: - 'https://publicmosaic.com/cert/b320ef0d0336e953692773b254eea76f72f1e339182b98b5e8d286f462d0db15' author: 'Public Mosaic' date: 2026-08-28 modified: 2026-10-30 tags: - attack.command_and_control - tlp.clear logsource: category: network_connection detection: selection_p31337: DestinationIp: - 103.115.49.124 - 45.221.118.139 - 93.177.77.234 DestinationPort: 31337 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