# publicmosaic.sigma.yml — generated 2026-10-30 19:37 UTC — TLP:CLEAR
# source: https://publicmosaic.com — published for defensive use
# scope: cert 7fda6f6135fbf79b8e2ce2328bf381a5ec06ad4ee39a499159e0773f9c9a7631 — https://publicmosaic.com/cert/7fda6f6135fbf79b8e2ce2328bf381a5ec06ad4ee39a499159e0773f9c9a7631
# 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 7fda6f6135fbf79b… — connections to listed C2 hosts'
id: 36240049-0ce3-8ce0-b115-6a4fcf86f0ad
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/7fda6f6135fbf79b8e2ce2328bf381a5ec06ad4ee39a499159e0773f9c9a7631'
author: 'Public Mosaic'
date: 2026-08-29
modified: 2026-10-30
tags:
  - attack.command_and_control
  - tlp.clear
logsource:
  category: network_connection
detection:
  selection_p31337:
    DestinationIp:
      - 196.251.121.120
      - 46.151.182.182
    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: high