Windows Backup Deleted Via Wbadmin.EXE
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About the rule
Rule Type
Standard
Rule Description
Detects the deletion of backups or system state backups via "wbadmin.exe". This technique is used by numerous ransomware families and actors. This may only be successful on server platforms that have Windows Backup enabled.
Severity
Trouble
Rule Requirement
Criteria
Action1: actionname = "Process started" AND ((PROCESSNAME endswith "\wbadmin.exe" OR ORIGINALFILENAME = "WBADMIN.EXE") AND (COMMANDLINE contains "delete " AND COMMANDLINE contains "backup")) AND COMMANDLINE notcontains "keepVersions:0" select Action1.HOSTNAME,Action1.MESSAGE,Action1.COMMANDLINE,Action1.FILE_NAME,Action1.PROCESSNAME,Action1.USERNAME,Action1.PARENTPROCESSNAME
Detection
Execution Mode
realtime
Log Sources
Windows
Author
frack113, Nasreddine Bencherchali (Nextron Systems)
