IMPORTANT: No additional bug fixes or documentation updates
will be released for this version. For the latest information, see the
current release documentation.
Privilege Escalation via Root Crontab File Modificationedit
Identifies modifications to the root crontab file. Adversaries may overwrite this file to gain code execution with root privileges by exploiting privileged file write or move related vulnerabilities.
Rule type: query
Rule indices:
- logs-endpoint.events.*
Severity: high
Risk score: 73
Runs every: 5m
Searches indices from: now-9m (Date Math format, see also Additional look-back time)
Maximum alerts per execution: 100
References:
Tags:
- Domain: Endpoint
- OS: macOS
- Use Case: Threat Detection
- Tactic: Privilege Escalation
- Data Source: Elastic Defend
Version: 105
Rule authors:
- Elastic
Rule license: Elastic License v2
Rule queryedit
event.category:file and host.os.type:macos and not event.type:deletion and file.path:/private/var/at/tabs/root and not process.executable:/usr/bin/crontab
Framework: MITRE ATT&CKTM
-
Tactic:
- Name: Privilege Escalation
- ID: TA0004
- Reference URL: https://attack.mitre.org/tactics/TA0004/
-
Technique:
- Name: Scheduled Task/Job
- ID: T1053
- Reference URL: https://attack.mitre.org/techniques/T1053/
-
Sub-technique:
- Name: Cron
- ID: T1053.003
- Reference URL: https://attack.mitre.org/techniques/T1053/003/