# publicmosaic.sigma.yml — generated 2026-10-30 19:37 UTC — TLP:CLEAR
# source: https://publicmosaic.com — published for defensive use
# scope: cert b3688a5abbed8aaca0732bfdc48aba8ab000090d4cf41c74579581b5f4344e25 — https://publicmosaic.com/cert/b3688a5abbed8aaca0732bfdc48aba8ab000090d4cf41c74579581b5f4344e25
# 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 b3688a5abbed8aac… — connections to listed C2 hosts'
id: d2e67439-c856-88d2-b864-8a26c085d63c
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/b3688a5abbed8aaca0732bfdc48aba8ab000090d4cf41c74579581b5f4344e25'
author: 'Public Mosaic'
date: 2026-10-26
modified: 2026-10-30
tags:
  - attack.command_and_control
  - tlp.clear
logsource:
  category: network_connection
detection:
  selection_p2000:
    DestinationIp:
      - 192.253.229.191
      - 202.146.222.253
    DestinationPort: 2000
  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