# publicmosaic.sigma.yml — generated 2026-10-30 18:37 UTC — TLP:CLEAR
# source: https://publicmosaic.com — published for defensive use
# scope: cert 108c95742d0b35b99eca823730943a62ecf7b8b54681541215ffee75c91926c2 — https://publicmosaic.com/cert/108c95742d0b35b99eca823730943a62ecf7b8b54681541215ffee75c91926c2
# 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 108c95742d0b35b9… — connections to listed C2 hosts'
id: d549e949-4fdc-89e1-9ba4-51f38bb69f65
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/108c95742d0b35b99eca823730943a62ecf7b8b54681541215ffee75c91926c2'
author: 'Public Mosaic'
date: 2026-09-02
modified: 2026-10-30
tags:
  - attack.command_and_control
  - tlp.clear
logsource:
  category: network_connection
detection:
  selection_p7443:
    DestinationIp:
      - 23.148.228.253
      - 39.105.125.235
    DestinationPort: 7443
  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