PUA - Advanced IP/Port Scanner Update Check — Sigma Rule

Rule metadata and linked tags

Author: Axel Olsson. Source status: test; severity: medium. Source dates: 2022-08-14 / 2024-02-15.

{
  "category": "proxy"
}

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: 6c3b1ff33588b273b4b19e934562e4a1d62bea279bc9a6bb25cf1fa413a0cecd

Detection logic

Original source YAML. Source-tag agreement is not proof of complete semantic coverage. This rule has not been compiled for a SIEM backend or validated against live telemetry here.

title: PUA - Advanced IP/Port Scanner Update Check
id: 1a9bb21a-1bb5-42d7-aa05-3219c7c8f47d
status: test
description: Detect the update check performed by Advanced IP/Port Scanner utilities.
references:
    - https://www.advanced-ip-scanner.com/
    - https://www.advanced-port-scanner.com/
author: Axel Olsson
date: 2022-08-14
modified: 2024-02-15
tags:
    - attack.discovery
    - attack.reconnaissance
    - attack.t1590
logsource:
    category: proxy
detection:
    selection:
      # Example request: http://www.advanced-port-scanner.com/checkupdate.php?lng=en&ver=2-5-3680&beta=n&type=upd&rmode=p&product=aps
      # Example request2: http://www.advanced-ip-scanner.com/checkupdate.php?lng=en&ver=2-5-3499&beta=n&type=upd&rmode=p&product=aips
        c-uri|contains: '/checkupdate.php'
        c-uri-query|contains|all:
            - 'lng='
            - 'ver='
            - 'beta='
            - 'type='
            - 'rmode='
            - 'product='
    condition: selection
falsepositives:
    - Expected if you legitimately use the Advanced IP or Port Scanner utilities in your environement.
level: medium

Original YAML and metadata in JSON

False positives

• Expected if you legitimately use the Advanced IP or Port Scanner utilities in your environement.

Source references

• https://www.advanced-ip-scanner.com/
• https://www.advanced-port-scanner.com/