# publicmosaic.sigma.yml — generated 2026-10-30 19:37 UTC — TLP:CLEAR
# source: https://publicmosaic.com — published for defensive use
# scope: cert fc05fa54d2c81755e51ff8285a285de044115baa0e8eb855661e8f004d7e94f7 — https://publicmosaic.com/cert/fc05fa54d2c81755e51ff8285a285de044115baa0e8eb855661e8f004d7e94f7
# 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 fc05fa54d2c81755… — connections to listed C2 hosts'
id: a871929e-751c-8ad2-876e-278df6b2d19e
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/fc05fa54d2c81755e51ff8285a285de044115baa0e8eb855661e8f004d7e94f7'
author: 'Public Mosaic'
date: 2026-09-19
modified: 2026-10-30
tags:
  - attack.command_and_control
  - tlp.clear
logsource:
  category: network_connection
detection:
  selection_p8888:
    DestinationIp:
      - 45.125.13.66
      - 93.177.77.169
    DestinationPort: 8888
  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