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Azure Compute Snapshot Deletions by User

Identifies when a single user or service principal deletes multiple Azure disk snapshots within a short time period. This behavior may indicate an adversary attempting to inhibit system recovery capabilities, destroy…

Description

Identifies when a single user or service principal deletes multiple Azure disk snapshots within a short time period. This behavior may indicate an adversary attempting to inhibit system recovery capabilities, destroy backup evidence, or prepare for a ransomware attack. Mass deletion of snapshots eliminates restore points and significantly impacts disaster recovery capabilities, making it a critical indicator of potentially malicious activity.

Detection logic

Its licence does not clear it for publishing here

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Detection requirements

Platform
ContainersESXiIaaSLinuxmacOSNetwork DevicesWindows

The rule states no platform. This is derived from the 2 ATT&CK techniques it maps to.

Log source category
event_index

Known benign triggers

  • Infrastructure teams may legitimately delete multiple snapshots during planned maintenance, storage optimization, or cleanup of expired backup data according to retention policies. Verify that the deletion activity was expected and follows organizational change management processes. Consider exceptions for approved maintenance windows or automation service principals managing backup retention.

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