# publicmosaic.sigma.yml — generated 2026-10-30 19:37 UTC — TLP:CLEAR
# source: https://publicmosaic.com — published for defensive use
# scope: cert d95d9934bf01a9bf87a472d3da9ea96a122e7467fb2ac586dcc8296a076a81c7 — https://publicmosaic.com/cert/d95d9934bf01a9bf87a472d3da9ea96a122e7467fb2ac586dcc8296a076a81c7
# 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 d95d9934bf01a9bf… — connections to listed C2 hosts'
id: f4e21516-7962-87b6-889b-76583ca51c88
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/d95d9934bf01a9bf87a472d3da9ea96a122e7467fb2ac586dcc8296a076a81c7'
author: 'Public Mosaic'
date: 2026-10-16
modified: 2026-10-30
tags:
  - attack.command_and_control
  - tlp.clear
logsource:
  category: network_connection
detection:
  selection_p7443:
    DestinationIp:
      - 217.182.168.142
      - 51.255.5.121
    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