Attempt to modify a 1Password item by user

1password

Classification:

attack

Tactic:

TA0006-credential-access

Technique:

T1555-credentials-from-password-stores

Set up the 1password integration.

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Goal

Detect when a 1Password user attempts to modify an item.

Strategy

This rule monitors 1Password audit logs to determine when the the enter-item-edit-mode item usage action occurs. This could indicate an attempt to modify an item.

Triage & response

  1. Investigate the {{@usr.email}} attempting to modify item {{@item_uuid}} within vault {{@vault_uuid}}.
  2. If this action was unintend by the user:
    • Rotate the user’s 1Password master password
    • Identify all the items that were modified and rotate the necessary authentication credentials