IMPORTANT: No additional bug fixes or documentation updates
will be released for this version. For the latest information, see the
current release documentation.
WebServer Access Logs Deleted
editWebServer Access Logs Deleted
editIdentifies the deletion of WebServer access logs. This may indicate an attempt to evade detection or destroy forensic evidence on a system.
Rule type: eql
Rule indices:
- auditbeat-*
- winlogbeat-*
- logs-endpoint.events.*
- logs-windows.*
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
Tags:
- Elastic
- Host
- Linux
- Windows
- macOS
- Threat Detection
- Defense Evasion
Version: 6 (version history)
Added (Elastic Stack release): 7.11.0
Last modified (Elastic Stack release): 8.4.0
Rule authors: Elastic
Rule license: Elastic License v2
Investigation guide
editRule query
editfile where event.type == "deletion" and file.path :
("C:\\inetpub\\logs\\LogFiles\\*.log",
"/var/log/apache*/access.log",
"/etc/httpd/logs/access_log",
"/var/log/httpd/access_log",
"/var/www/*/logs/access.log")
Threat mapping
editFramework: MITRE ATT&CKTM
-
Tactic:
- Name: Defense Evasion
- ID: TA0005
- Reference URL: https://attack.mitre.org/tactics/TA0005/
-
Technique:
- Name: Indicator Removal on Host
- ID: T1070
- Reference URL: https://attack.mitre.org/techniques/T1070/
Rule version history
edit- Version 6 (8.4.0 release)
-
-
Updated query, changed from:
file where event.type == "deletion" and file.path : ("C:\\inetpub\\logs\\LogFiles\\*.log", "/var/log/apache*/access.log", "/etc/httpd/logs/access_log", "/var/log/httpd/access_log", "/var/www/*/logs/access.log")
-
- Version 4 (8.2.0 release)
-
- Formatting only
- Version 3 (7.12.0 release)
-
- Formatting only
- Version 2 (7.11.2 release)
-
- Formatting only