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Deleting Backup Catalogs with Wbadmin

Identifies use of the wbadmin.exe to delete the backup catalog. Ransomware and other malware may do this to prevent system recovery.

Rule type: query

Rule indices:

Severity: low

Risk score: 21

Runs every: 5 minutes

Searches indices from: now-9m (Date Math format, see also Additional look-back time)

Maximum alerts per execution: 100

Tags:

Version: 4 (version history)

Added (Elastic Stack release): 7.6.0

Last modified (Elastic Stack release): 7.9.1

Rule authors: Elastic

Rule license: Elastic License

event.category:process and event.type:(start or process_started) and
process.name:wbadmin.exe and process.args:(catalog and delete)

Framework: MITRE ATT&CK^TM

Tactic:
- Name: Defense Evasion
- ID: TA0005
- Reference URL: https://attack.mitre.org/tactics/TA0005/
Technique:
- Name: File Deletion
- ID: T1107
- Reference URL: https://attack.mitre.org/techniques/T1107/

Version 4 (7.9.1 release)

Version 3 (7.9.0 release)

Updated query, changed from:

event.action:"Process Create (rule: ProcessCreate)" and
process.name:wbadmin.exe and process.args:(catalog and delete)

Version 2 (7.7.0 release)

Updated query, changed from:

event.action:"Process Create (rule: ProcessCreate)" and
process.name:"wbadmin.exe" and process.args:("delete" and "catalog")