Install Root Certificate


Description

Detects installation of new certificate on the system which attackers may use to avoid warnings when connecting to controlled web servers or C2s

Query · sigma

selection:
  Image|endswith:
  - /update-ca-certificates
  - /update-ca-trust
condition: selection

Known false positives

  • Legitimate administration activities
Raw source Install Root Certificate · Sigma
Esc
Published by SigmaHQ/sigma ↗, licensed under Detection Rule License 1.1 ↗. Reproduced here unmodified.
title: Install Root Certificate
id: 78a80655-a51e-4669-bc6b-e9d206a462ee
status: test
description: Detects installation of new certificate on the system which attackers may use to avoid warnings when connecting to controlled web servers or C2s
references:
    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1553.004/T1553.004.md
author: Ömer Günal, oscd.community
date: 2020-10-05
modified: 2022-07-07
tags:
    - attack.defense-impairment
    - attack.t1553.004
logsource:
    product: linux
    category: process_creation
detection:
    selection:
        Image|endswith:
            - '/update-ca-certificates'
            - '/update-ca-trust'
    condition: selection
falsepositives:
    - Legitimate administration activities
level: low

Detection rules belong to the projects that publish them and remain under their own licenses. This site indexes and links to them; it claims no rights in them.