# publicmosaic.sigma.yml — generated 2026-10-30 19:37 UTC — TLP:CLEAR
# source: https://publicmosaic.com — published for defensive use
# scope: cert 90c533364b293892c2b24c8b75871d9de1c61040725a249816b845e98b1f817f — https://publicmosaic.com/cert/90c533364b293892c2b24c8b75871d9de1c61040725a249816b845e98b1f817f
# 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 90c533364b293892… — connections to listed C2 hosts'
id: 4526bca1-10c6-8b06-89d0-18654acbe020
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/90c533364b293892c2b24c8b75871d9de1c61040725a249816b845e98b1f817f'
author: 'Public Mosaic'
date: 2026-09-10
modified: 2026-10-30
tags:
  - attack.command_and_control
  - tlp.clear
logsource:
  category: network_connection
detection:
  selection_p443:
    DestinationIp:
      - 107.150.72.199
      - 5.175.169.199
    DestinationPort: 443
  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