Privilege Escalation via Root Crontab File Modification
editPrivilege Escalation via Root Crontab File Modification
editIdentifies 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:
- auditbeat-*
- 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:
- Elastic
- Host
- macOS
- Threat Detection
- Privilege Escalation
Version: 101
Rule authors:
- Elastic
Rule license: Elastic License v2
Rule query
editevent.category:file 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/