Advanced IP Scanner - File Event — Sigma Rule

Rule metadata and linked tags

Author: @ROxPinTeddy. Source status: test; severity: medium. Source dates: 2020-05-12 / 2022-11-29.

{
  "category": "file_event",
  "product": "windows"
}

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: f99836746aa11fd1e36856eab3ffb84cb08c8d11ec914364a7cf842603d3012f

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: Advanced IP Scanner - File Event
id: fed85bf9-e075-4280-9159-fbe8a023d6fa
related:
    - id: bef37fa2-f205-4a7b-b484-0759bfd5f86f
      type: derived
status: test
description: Detects the use of Advanced IP Scanner. Seems to be a popular tool for ransomware groups.
references:
    - https://news.sophos.com/en-us/2019/12/09/snatch-ransomware-reboots-pcs-into-safe-mode-to-bypass-protection/
    - https://www.fireeye.com/blog/threat-research/2020/05/tactics-techniques-procedures-associated-with-maze-ransomware-incidents.html
    - https://labs.f-secure.com/blog/prelude-to-ransomware-systembc
    - https://assets.documentcloud.org/documents/20444693/fbi-pin-egregor-ransomware-bc-01062021.pdf
    - https://thedfirreport.com/2021/01/18/all-that-for-a-coinminer
author: '@ROxPinTeddy'
date: 2020-05-12
modified: 2022-11-29
tags:
    - attack.discovery
    - attack.t1046
logsource:
    category: file_event
    product: windows
detection:
    selection:
        TargetFilename|contains: '\AppData\Local\Temp\Advanced IP Scanner 2'
    condition: selection
falsepositives:
    - Legitimate administrative use
level: medium
regression_tests_path: regression_data/rules/windows/file/file_event/file_event_win_advanced_ip_scanner/info.yml

Original YAML and metadata in JSON

False positives

• Legitimate administrative use

Source references

• https://news.sophos.com/en-us/2019/12/09/snatch-ransomware-reboots-pcs-into-safe-mode-to-bypass-protection/
• https://www.fireeye.com/blog/threat-research/2020/05/tactics-techniques-procedures-associated-with-maze-ransomware-incidents.html
• https://labs.f-secure.com/blog/prelude-to-ransomware-systembc
• https://assets.documentcloud.org/documents/20444693/fbi-pin-egregor-ransomware-bc-01062021.pdf
• https://thedfirreport.com/2021/01/18/all-that-for-a-coinminer