# publicmosaic.sigma.yml — generated 2026-10-30 19:37 UTC — TLP:CLEAR
# source: https://publicmosaic.com — published for defensive use
# scope: cert 3a9a30ca2fd4cd90fda5dcee580bec0327f5b18dd53bfb4f9720d92f06463b1b — https://publicmosaic.com/cert/3a9a30ca2fd4cd90fda5dcee580bec0327f5b18dd53bfb4f9720d92f06463b1b
# 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 3a9a30ca2fd4cd90… — connections to listed C2 hosts'
id: e9c35f85-bdb1-828a-b82d-186323a3cd72
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/3a9a30ca2fd4cd90fda5dcee580bec0327f5b18dd53bfb4f9720d92f06463b1b'
author: 'Public Mosaic'
date: 2026-09-22
modified: 2026-10-30
tags:
  - attack.command_and_control
  - tlp.clear
logsource:
  category: network_connection
detection:
  selection_p50050:
    DestinationIp:
      - 203.98.68.24
      - 203.98.68.25
    DestinationPort: 50050
  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