PUA - Advanced IP Scanner Execution — Sigma Rule

Rule metadata and linked tags

Author: Nasreddine Bencherchali (Nextron Systems), @ROxPinTeddy. Source status: test; severity: medium. Source dates: 2020-05-12 / 2023-02-07.

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

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: 57494319b11b4cb2ee1f12d7e1318ea9031288c5fbb1f8340dc6ecb0b8dc3a64

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 Scanner Execution
id: bef37fa2-f205-4a7b-b484-0759bfd5f86f
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
    - https://github.com/3CORESec/MAL-CL/tree/master/Descriptors/Other/Advanced%20IP%20Scanner
author: Nasreddine Bencherchali (Nextron Systems), @ROxPinTeddy
date: 2020-05-12
modified: 2023-02-07
tags:
    - attack.discovery
    - attack.t1046
    - attack.t1135
logsource:
    category: process_creation
    product: windows
detection:
    selection_img:
        - Image|contains: '\advanced_ip_scanner' # Covers also advanced_ip_scanner_console.exe
        - OriginalFileName|contains: 'advanced_ip_scanner' # Covers also advanced_ip_scanner_console.exe
        - Description|contains: 'Advanced IP Scanner'
    selection_cli:
        CommandLine|contains|all:
            - '/portable'
            - '/lng'
    condition: 1 of selection_*
falsepositives:
    - Legitimate administrative use
level: medium
regression_tests_path: regression_data/rules/windows/process_creation/proc_creation_win_pua_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
• https://github.com/3CORESec/MAL-CL/tree/master/Descriptors/Other/Advanced%20IP%20Scanner