Arbitrary File Download Via ConfigSecurityPolicy.EXE — Sigma Rule

Rule metadata and linked tags

Author: frack113. Source status: test; severity: medium. Source dates: 2021-11-26 / 2022-05-16.

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

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: a5e43ad8fb5f239ff686c225937ebfa7d526fb6cd84c9727a6fce2a7e81b2bd0

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: Arbitrary File Download Via ConfigSecurityPolicy.EXE
id: 1f0f6176-6482-4027-b151-00071af39d7e
status: test
description: |
    Detects the execution of "ConfigSecurityPolicy.EXE", a binary part of Windows Defender used to manage settings in Windows Defender.
    Users can configure different pilot collections for each of the co-management workloads.
    It can be abused by attackers in order to upload or download files.
references:
    - https://lolbas-project.github.io/lolbas/Binaries/ConfigSecurityPolicy/
author: frack113
date: 2021-11-26
modified: 2022-05-16
tags:
    - attack.exfiltration
    - attack.t1567
logsource:
    category: process_creation
    product: windows
detection:
    selection_img:
        - CommandLine|contains: ConfigSecurityPolicy.exe
        - Image|endswith: '\ConfigSecurityPolicy.exe'
        - OriginalFileName: 'ConfigSecurityPolicy.exe'
    selection_url:
        CommandLine|contains:
            - 'ftp://'
            - 'http://'
            - 'https://'
    condition: all of selection_*
falsepositives:
    - Unknown
level: medium

Original YAML and metadata in JSON

False positives

• Unknown

Source references

• https://lolbas-project.github.io/lolbas/Binaries/ConfigSecurityPolicy/