Title:Periodic Backup For System Registry Hives Enabled Status:test Description:Detects the enabling of the "EnablePeriodicBackup" registry value. Once enabled, The OS will backup System registry hives on restarts to the "C:\Windows\System32\config\RegBack" folder. Windows creates a "RegIdleBackup" task to manage subsequent backups.
Registry backup was a default behavior on Windows and was disabled as of "Windows 10, version 1803".
References: -https://learn.microsoft.com/en-us/troubleshoot/windows-client/installing-updates-features-roles/system-registry-no-backed-up-regback-folder Author: Nasreddine Bencherchali (Nextron Systems) Date: 2024-07-01 modified:None Tags:
-'attack.collection'
-'attack.t1113'
Logsource:
category: registry_set
product: windows
Detection: selection: TargetObject|endswith:
'\Control\Session Manager\Configuration Manager\EnablePeriodicBackup' Details:
'DWORD (0x00000001)' condition:selection Falsepositives:
-Legitimate need for RegBack feature by administrators. Level:medium