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[Rule Tuning] Backup Deletion with Wbadmin #4715

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12 changes: 6 additions & 6 deletions rules/windows/impact_deleting_backup_catalogs_with_wbadmin.toml
Original file line number Diff line number Diff line change
Expand Up @@ -2,13 +2,13 @@
creation_date = "2020/02/18"
integration = ["endpoint", "windows", "system", "m365_defender", "sentinel_one_cloud_funnel", "crowdstrike"]
maturity = "production"
updated_date = "2025/03/20"
updated_date = "2025/05/09"

[rule]
author = ["Elastic"]
description = """
Identifies use of the wbadmin.exe to delete the backup catalog. Ransomware and other malware may do this to prevent
system recovery.
Detects use of wbadmin.exe to delete backup catalogs, system state backups, or other backup data. Ransomware and other
malware may do this to prevent system recovery.
"""
from = "now-9m"
index = [
Expand All @@ -24,10 +24,10 @@ index = [
]
language = "eql"
license = "Elastic License v2"
name = "Deleting Backup Catalogs with Wbadmin"
name = "Backup Deletion with Wbadmin"
note = """## Triage and analysis

### Investigating Deleting Backup Catalogs with Wbadmin
### Investigating Backup Deletion with Wbadmin

Windows Server Backup stores the details about your backups (what volumes are backed up and where the backups are located) in a file called a backup catalog, which ransomware victims can use to recover corrupted backup files. Deleting these files is a common step in threat actor playbooks.

Expand Down Expand Up @@ -87,7 +87,7 @@ type = "eql"
query = '''
process where host.os.type == "windows" and event.type == "start" and
(process.name : "wbadmin.exe" or ?process.pe.original_file_name == "WBADMIN.EXE") and
process.args : "catalog" and process.args : "delete"
process.args : ("catalog", "backup", "systemstatebackup") and process.args : "delete"
'''


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