# publicmosaic.sigma.yml — generated 2026-10-30 19:07 UTC — TLP:CLEAR # source: https://publicmosaic.com — published for defensive use # scope: cert e8e5a4f101a556a34c1751be0e08db8b70c6bb33e07f86c92df23791b916e2c4 — https://publicmosaic.com/cert/e8e5a4f101a556a34c1751be0e08db8b70c6bb33e07f86c92df23791b916e2c4 # 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 e8e5a4f101a556a3… — connections to listed C2 hosts' id: a92f0637-041c-8f60-ba14-d7d19102bb79 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/e8e5a4f101a556a34c1751be0e08db8b70c6bb33e07f86c92df23791b916e2c4' author: 'Public Mosaic' date: 2026-10-02 modified: 2026-10-30 tags: - attack.command_and_control - tlp.clear logsource: category: network_connection detection: selection_p443: DestinationIp: - 15.235.148.248 - 150.241.226.20 - 70.36.127.16 - 70.36.127.51 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