Identifies the deletion of backup files, saved using third-party software, by a process outside of the backup suite. Adversaries may delete Backup files to ensure that recovery from a Ransomware attack is less likely.
Rule type: eql
Risk score: 47
Runs every: 5 minutes
Maximum alerts per execution: 100
- Threat Detection
Added (Elastic Stack release): 7.16.0
Rule authors: Elastic
Rule license: Elastic License v2
Certain utilities that delete files for disk cleanup or Administrators manually removing backup files.
file where event.type == "deletion" and ( /* Veeam Related Backup Files */ (file.extension : ("VBK", "VIB", "VBM") and not process.executable : ("?:\\Windows\\Veeam\\Backup\\*", "?:\\Program Files\\Veeam\\Backup and Replication\\*", "?:\\Program Files (x86)\\Veeam\\Backup and Replication\\*")) or /* Veritas Backup Exec Related Backup File */ (file.extension : "BKF" and not process.executable : ("?:\\Program Files\\Veritas\\Backup Exec\\*", "?:\\Program Files (x86)\\Veritas\\Backup Exec\\*")) )