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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: 100 (version history)
Added (Elastic Stack release): 7.11.0
Last modified (Elastic Stack release): 8.5.0
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 100 (8.5.0 release)
-
- Formatting only
- 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