# publicmosaic.sigma.yml — generated 2026-10-30 19:37 UTC — TLP:CLEAR # source: https://publicmosaic.com — published for defensive use # scope: cert 33cb1d6889ab3b40460a7dd8666e2388e667723a9ad17eae4f90874c4144e049 — https://publicmosaic.com/cert/33cb1d6889ab3b40460a7dd8666e2388e667723a9ad17eae4f90874c4144e049 # 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 33cb1d6889ab3b40… — connections to listed C2 hosts' id: 9de80cf6-2b85-88bc-b57d-b4fe2b748483 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/33cb1d6889ab3b40460a7dd8666e2388e667723a9ad17eae4f90874c4144e049' author: 'Public Mosaic' date: 2026-09-22 modified: 2026-10-30 tags: - attack.command_and_control - tlp.clear logsource: category: network_connection detection: selection_p50050: DestinationIp: - 106.52.8.22 - 123.207.246.48 DestinationPort: 50050 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