# publicmosaic.sigma.yml — generated 2026-10-30 20:07 UTC — TLP:CLEAR
# source: https://publicmosaic.com — published for defensive use
# scope: cert 99fc9e278bff95e63243fcf7c48b2353683ab218bd917806c4a2ab9f5dfa2165 — https://publicmosaic.com/cert/99fc9e278bff95e63243fcf7c48b2353683ab218bd917806c4a2ab9f5dfa2165
# 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 99fc9e278bff95e6… — connections to listed C2 hosts'
id: 5dc009ce-f199-8c92-a786-22ece24c8103
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/99fc9e278bff95e63243fcf7c48b2353683ab218bd917806c4a2ab9f5dfa2165'
author: 'Public Mosaic'
date: 2026-09-27
modified: 2026-10-30
tags:
  - attack.command_and_control
  - tlp.clear
logsource:
  category: network_connection
detection:
  selection_p8443:
    DestinationIp:
      - 143.92.57.247
      - 202.162.109.5
      - 202.162.109.6
    DestinationPort: 8443
  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