# publicmosaic.sigma.yml — generated 2026-10-30 19:37 UTC — TLP:CLEAR
# source: https://publicmosaic.com — published for defensive use
# scope: cert 486458f803cbafe5e696ced3c7174e0a8958aa926317238e7f1a1f7a2cfa14ee — https://publicmosaic.com/cert/486458f803cbafe5e696ced3c7174e0a8958aa926317238e7f1a1f7a2cfa14ee
# 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 486458f803cbafe5… — connections to listed C2 hosts'
id: a8e304de-c4e5-89ce-b282-d31b3a4f2c06
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/486458f803cbafe5e696ced3c7174e0a8958aa926317238e7f1a1f7a2cfa14ee'
author: 'Public Mosaic'
date: 2026-10-11
modified: 2026-10-30
tags:
  - attack.command_and_control
  - tlp.clear
logsource:
  category: network_connection
detection:
  selection_p443:
    DestinationIp:
      - 143.92.56.103
      - 143.92.56.96
    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