LoFP / key vault modified or deleted from unfamiliar users should be investigated. if known behavior is causing false positives, it can be exempted from the rule.

Techniques

Sample rules

Azure Key Vault Modified or Deleted

source: sigma
technicques:
- t1552
- t1552.001

Description

Identifies when a key vault is modified or deleted.

Detection logic

condition: selection
selection:
  operationName:
  - MICROSOFT.KEYVAULT/VAULTS/WRITE
  - MICROSOFT.KEYVAULT/VAULTS/DELETE
  - MICROSOFT.KEYVAULT/VAULTS/DEPLOY/ACTION
  - MICROSOFT.KEYVAULT/VAULTS/ACCESSPOLICIES/WRITE