IMPORTANT: No additional bug fixes or documentation updates
will be released for this version. For the latest information, see the
current release documentation.
Unusual Process Execution - Temp
editUnusual Process Execution - Temp
editIdentifies processes running in a temporary folder. This is sometimes done by adversaries to hide malware.
Rule type: query
Rule indices:
- auditbeat-*
- logs-endpoint.events.*
Severity: medium
Risk score: 47
Runs every: 5m
Searches indices from: now-9m (Date Math format, see also Additional look-back time
)
Maximum alerts per execution: 100
References: None
Tags:
- Elastic
- Host
- Linux
- Threat Detection
- Execution
Version: 9
Rule authors:
- Elastic
Rule license: Elastic License v2
Rule query
editevent.category:process and event.type:(start or process_started) and process.working_directory:/tmp and not process.parent.name:(update-motd-updates-available or apt or apt-* or cnf-update-db or appstreamcli or unattended-upgrade or packagekitd) and not process.args:(/usr/lib/update-notifier/update-motd-updates-available or /var/lib/command-not-found/)
Framework: MITRE ATT&CKTM
-
Tactic:
- Name: Execution
- ID: TA0002
- Reference URL: https://attack.mitre.org/tactics/TA0002/