Suspicious Print Spooler File Deletion
editSuspicious Print Spooler File Deletion
editDetects deletion of print driver files by an unusual process. This may indicate a clean up attempt post successful privilege escalation via Print Spooler service related vulnerabilities.
Rule type: eql
Rule indices:
- winlogbeat-*
- logs-endpoint.events.*
- logs-windows.*
Severity: medium
Risk score: 47
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
- Windows
- Threat Detection
- Privilege Escalation
Version: 101
Rule authors:
- Elastic
Rule license: Elastic License v2
Investigation guide
editRule query
editfile where event.type : "deletion" and not process.name : ("spoolsv.exe", "dllhost.exe", "explorer.exe") and file.path : "?:\\Windows\\System32\\spool\\drivers\\x64\\3\\*.dll"
Framework: MITRE ATT&CKTM
-
Tactic:
- Name: Privilege Escalation
- ID: TA0004
- Reference URL: https://attack.mitre.org/tactics/TA0004/
-
Technique:
- Name: Exploitation for Privilege Escalation
- ID: T1068
- Reference URL: https://attack.mitre.org/techniques/T1068/