# publicmosaic.sigma.yml — generated 2026-10-30 19:37 UTC — TLP:CLEAR
# source: https://publicmosaic.com — published for defensive use
# scope: cert e4c48a7da38c6036438641ffe60b1f9cde07c30ed68e51b055fdbef89333a36d — https://publicmosaic.com/cert/e4c48a7da38c6036438641ffe60b1f9cde07c30ed68e51b055fdbef89333a36d
# 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 e4c48a7da38c6036… — connections to listed C2 hosts'
id: 8e820b3e-fe37-873a-b69e-f79750417a20
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/e4c48a7da38c6036438641ffe60b1f9cde07c30ed68e51b055fdbef89333a36d'
author: 'Public Mosaic'
date: 2026-10-13
modified: 2026-10-30
tags:
  - attack.command_and_control
  - tlp.clear
logsource:
  category: network_connection
detection:
  selection_p7443:
    DestinationIp:
      - 155.117.98.31
      - 155.117.98.64
    DestinationPort: 7443
  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