# publicmosaic.sigma.yml — generated 2026-10-30 19:07 UTC — TLP:CLEAR
# source: https://publicmosaic.com — published for defensive use
# scope: asn 219337 — https://publicmosaic.com/asn/219337
# covers listed listeners only; archived listings omitted: 1
# A withdrawal can take up to five minutes to reach this file. Each address's page under publicmosaic.com/ip/ is authoritative.
title: 'AS219337 — connections to listed hosts'
id: c3d2ee4e-7736-868a-be61-d80730b46522
status: experimental
description: 'Outbound connection to an address Public Mosaic listed as a C2 host or an infected device when this file was generated.'
references:
  - 'https://publicmosaic.com/asn/219337'
author: 'Public Mosaic'
date: 2026-08-25
modified: 2026-10-30
tags:
  - tlp.clear
logsource:
  category: network_connection
detection:
  selection_p80:
    DestinationIp:
      - 2.27.203.59
    DestinationPort: 80
  selection_p5173:
    DestinationIp:
      - 2.27.200.141
    DestinationPort: 5173
  selection_p7443:
    DestinationIp:
      - 2.27.202.130
    DestinationPort: 7443
  selection_p8080:
    DestinationIp:
      - 2.27.203.59
    DestinationPort: 8080
  selection_p31337:
    DestinationIp:
      - 2.27.204.21
    DestinationPort: 31337
  condition: 1 of selection_*
falsepositives:
  - 'Shared hosting: an address can later serve other tenants. Its host page shows whether it is still listed.'
level: medium