# publicmosaic.sigma.yml — generated 2026-10-30 19:37 UTC — TLP:CLEAR
# source: https://publicmosaic.com — published for defensive use
# scope: cert 71c881a07a9bb62aebb283a47e0179e370e00922b0b3c46acafa5fbab9ed2636 — https://publicmosaic.com/cert/71c881a07a9bb62aebb283a47e0179e370e00922b0b3c46acafa5fbab9ed2636
# 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 71c881a07a9bb62a… — connections to listed C2 hosts'
id: 8fe36ee0-2a46-8fd4-96f0-0adc07704c3d
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/71c881a07a9bb62aebb283a47e0179e370e00922b0b3c46acafa5fbab9ed2636'
author: 'Public Mosaic'
date: 2026-10-15
modified: 2026-10-30
tags:
  - attack.command_and_control
  - tlp.clear
logsource:
  category: network_connection
detection:
  selection_p4321:
    DestinationIp:
      - 45.147.46.94
      - 92.249.61.190
    DestinationPort: 4321
  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