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Persistence via KDE AutoStart Script or Desktop File Modification
editPersistence via KDE AutoStart Script or Desktop File Modification
editIdentifies 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: 5 minutes
Searches indices from: now-9m (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: 100 (version history)
Added (Elastic Stack release): 7.12.0
Last modified (Elastic Stack release): 8.5.0
Rule authors: Elastic
Rule license: Elastic License v2
Investigation guide
editRule query
editfile 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")
Threat mapping
editFramework: 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/
Rule version history
edit- Version 100 (8.5.0 release)
-
- Formatting only
- Version 4 (8.4.0 release)
-
-
Updated query, changed from:
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/*" )
-
- Version 2 (8.2.0 release)
-
- Formatting only