Elastic Defend high stable eql
Shadow Copy Deletion via Windows Management Instrumentation
Identifies suspicious processes using Windows Management Instrumentation (WMI) to delete shadow copies. Adversaries may delete shadow copies to prevent system recovery.
Detection Logic
api where
process.Ext.api.name like "IWbemServices::DeleteInstance*" and
process.Ext.api.parameters.operation like "Win32_ShadowCopy.*" and
not (process.executable : ("?:\\Program Files\\Veeam\\Backup and Replication\\*.exe", "?:\\Program Files (x86)\\Veeam\\Backup and Replication\\*.exe") and
process.code_signature.subject_name in ("Veeam Software Group GmbH", "Veeam Software AG") and process.code_signature.trusted == true) and
not (process.executable : "C:\\Windows\\System32\\svchost.exe" and process.parent.executable : "C:\\Windows\\System32\\services.exe") and
not (process.executable : "C:\\Windows\\System32\\svchost.exe" and process.parent.executable : "C:\\Windows\\System32\\services.exe") and
not process.executable : "C:\\Program Files\\2BrightSparks\\SyncBackPro\\SyncBackPro.exe" and
not (process.parent.executable : "C:\\Windows\\System32\\cmd.exe" and
process.command_line : "powershell -ExecutionPolicy ByPass -FILE \"C:\\WINDOWS\\system32\\config\\systemprofile\\AppData\\Local\\*.ps1\" ") Field Validations
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