# publicmosaic.sigma.yml — generated 2026-10-30 18:37 UTC — TLP:CLEAR
# source: https://publicmosaic.com — published for defensive use
# scope: family oktos — https://publicmosaic.com/c2/oktos
# 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: 'Oktos — connections to listed C2 hosts'
id: 89dbf83e-55b5-8215-9049-7774220cdd01
status: experimental
description: 'Outbound connection to an address Public Mosaic listed as a C2 host when this file was generated.'
references:
  - 'https://publicmosaic.com/c2/oktos'
author: 'Public Mosaic'
date: 2026-09-10
modified: 2026-10-30
tags:
  - attack.command_and_control
  - tlp.clear
logsource:
  category: network_connection
detection:
  selection_p8080:
    DestinationIp:
      - 154.222.31.149
      - 158.94.209.99
      - 198.44.60.153
      - 38.175.203.237
      - 45.137.10.63
      - 47.114.43.18
    DestinationPort: 8080
  selection_p8083:
    DestinationIp:
      - 47.84.141.91
    DestinationPort: 8083
  selection_p8888:
    DestinationIp:
      - 104.225.238.193
      - 38.76.164.162
      - 60.204.240.193
    DestinationPort: 8888
  selection_p10087:
    DestinationIp:
      - 144.172.116.32
    DestinationPort: 10087
  selection_p55555:
    DestinationIp:
      - 42.51.44.173
    DestinationPort: 55555
  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