# publicmosaic.sigma.yml — generated 2026-10-30 18:37 UTC — TLP:CLEAR
# source: https://publicmosaic.com — published for defensive use
# scope: cert 79e885cdc55f1f34dc81ecca913ad86197997f5ae3ea8cd24606b9d8c1bcd94a — https://publicmosaic.com/cert/79e885cdc55f1f34dc81ecca913ad86197997f5ae3ea8cd24606b9d8c1bcd94a
# 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 79e885cdc55f1f34… — connections to listed C2 hosts'
id: d69e5117-6e8c-8f24-bb51-f9af7698ca32
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/79e885cdc55f1f34dc81ecca913ad86197997f5ae3ea8cd24606b9d8c1bcd94a'
author: 'Public Mosaic'
date: 2026-09-23
modified: 2026-10-30
tags:
  - attack.command_and_control
  - tlp.clear
logsource:
  category: network_connection
detection:
  selection_p12688:
    DestinationIp:
      - 172.252.225.151
      - 172.252.225.152
      - 172.252.225.153
    DestinationPort: 12688
  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