Persistence via KDE AutoStart Script or Desktop File Modification
Elastic Stack Serverless Security
Identifies the creation or modification of a K Desktop Environment (KDE) AutoStart script or desktop file that will execute upon each user logon. Adversaries may abuse this method for persistence.
Rule type: eql
Rule indices:
- auditbeat-*
- logs-endpoint.events.*
Severity: medium
Risk score: 47
Runs every: 5m
Searches indices from: now-9m (https://www.elastic.co/guide/en/elasticsearch/reference/current/common-options.html#date-math[Date Math format], see also Additional look-back time)
Maximum alerts per execution: 100
References:
- https://userbase.kde.org/System_Settings/Autostart
- https://www.amnesty.org/en/latest/research/2020/09/german-made-finspy-spyware-found-in-egypt-and-mac-and-linux-versions-revealed/
- https://www.intezer.com/blog/research/operation-electrorat-attacker-creates-fake-companies-to-drain-your-crypto-wallets/
Tags:
- Elastic
- Host
- Linux
- Threat Detection
- Persistence
Version: 4
Rule authors:
- Elastic
Rule license: Elastic License v2
file where event.type != "deletion" and
file.extension in ("sh", "desktop") and
file.path :
(
"/home/*/.config/autostart/*", "/root/.config/autostart/*",
"/home/*/.kde/Autostart/*", "/root/.kde/Autostart/*",
"/home/*/.kde4/Autostart/*", "/root/.kde4/Autostart/*",
"/home/*/.kde/share/autostart/*", "/root/.kde/share/autostart/*",
"/home/*/.kde4/share/autostart/*", "/root/.kde4/share/autostart/*",
"/home/*/.local/share/autostart/*", "/root/.local/share/autostart/*",
"/home/*/.config/autostart-scripts/*", "/root/.config/autostart-scripts/*",
"/etc/xdg/autostart/*", "/usr/share/autostart/*"
) and
not process.name in ("yum", "dpkg", "install", "dnf", "teams", "yum-cron", "dnf-automatic")
Framework: MITRE ATT&CKTM
Tactic:
- Name: Persistence
- ID: TA0003
- Reference URL: https://attack.mitre.org/tactics/TA0003/
Technique:
- Name: Boot or Logon Autostart Execution
- ID: T1547
- Reference URL: https://attack.mitre.org/techniques/T1547/