# publicmosaic.sigma.yml — generated 2026-10-30 19:07 UTC — TLP:CLEAR
# source: https://publicmosaic.com — published for defensive use
# scope: cert 324f8650f5cfeb39b88e69e735c96263582ed26bfbe62f9a4ed062d7b188e11b — https://publicmosaic.com/cert/324f8650f5cfeb39b88e69e735c96263582ed26bfbe62f9a4ed062d7b188e11b
# 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 324f8650f5cfeb39… — connections to listed C2 hosts'
id: 5d222b97-4e90-8896-9340-2c797f8d2a30
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/324f8650f5cfeb39b88e69e735c96263582ed26bfbe62f9a4ed062d7b188e11b'
author: 'Public Mosaic'
date: 2026-09-17
modified: 2026-10-30
tags:
  - attack.command_and_control
  - tlp.clear
logsource:
  category: network_connection
detection:
  selection_p443:
    DestinationIp:
      - 31.57.147.246
      - 80.76.49.209
    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