# publicmosaic.sigma.yml — generated 2026-10-30 20:37 UTC — TLP:CLEAR
# source: https://publicmosaic.com — published for defensive use
# scope: asn 215929 — https://publicmosaic.com/asn/215929
# 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: 'AS215929 — connections to listed C2 hosts'
id: 62e502f1-e6e5-8122-b01c-e5acc927d6f5
status: experimental
description: 'Outbound connection to an address Public Mosaic listed as a C2 host when this file was generated.'
references:
  - 'https://publicmosaic.com/asn/215929'
author: 'Public Mosaic'
date: 2026-09-22
modified: 2026-10-30
tags:
  - attack.command_and_control
  - tlp.clear
logsource:
  category: network_connection
detection:
  selection_p22235:
    DestinationIp:
      - 62.164.177.14
    DestinationPort: 22235
  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
---
title: 'AS215929 — beacon URI or user agent in a request to a listed host'
id: c8710d76-dcd6-8aee-b30d-231d2fd28f26
status: experimental
description: 'A request to a listed address carrying a URI or user agent from a configuration recovered for these hosts. Both conditions are required: either value alone is common.'
references:
  - 'https://publicmosaic.com/asn/215929'
author: 'Public Mosaic'
date: 2026-09-22
modified: 2026-10-30
tags:
  - attack.command_and_control
  - tlp.clear
logsource:
  category: proxy
detection:
  selection_dst:
    DestinationIp:
      - 62.164.177.14
  selection_uri:
    c-uri|contains:
      - '/pixel.gif'
      - '/submit.php'
  selection_ua:
    c-useragent:
      - 'Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; .NET CLR 2.0.50727; .NET CLR 3.0.04506.30)'
  condition: selection_dst and (selection_uri or selection_ua)
falsepositives:
  - 'A benign request to a listed address carrying a commodity user agent'
level: high