Identifies the deletion of sensitive Linux system logs. This may indicate an attempt to evade detection or destroy forensic evidence on a system.
Rule type: eql
Risk score: 47
Runs every: 5m
Maximum alerts per execution: 100
- Threat Detection
- Defense Evasion
Rule license: Elastic License v2
## Config If enabling an EQL rule on a non-elastic-agent index (such as beats) for versions <8.2, events will not define `event.ingested` and default fallback for EQL rules was not added until 8.2, so you will need to add a custom pipeline to populate `event.ingested` to @timestamp for this rule to work.
file where event.type == "deletion" and file.path : ( "/var/run/utmp", "/var/log/wtmp", "/var/log/btmp", "/var/log/lastlog", "/var/log/faillog", "/var/log/syslog", "/var/log/messages", "/var/log/secure", "/var/log/auth.log" )
Framework: MITRE ATT&CKTM