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Credentials from Password Stores - Keychain

Detects passwords dumps from Keychain

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ATT&CK techniques

T1555.001

Rule sourcerules/macos/process_creation/proc_creation_macos_creds_from_keychain.yml

title: Credentials from Password Stores - Keychain
id: b120b587-a4c2-4b94-875d-99c9807d6955
status: test
description: Detects passwords dumps from Keychain
references:
    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1555.001/T1555.001.md
    - https://gist.github.com/Capybara/6228955
author: Tim Ismilyaev, oscd.community, Florian Roth (Nextron Systems)
date: 2020-10-19
modified: 2021-11-27
tags:
    - attack.credential-access
    - attack.t1555.001
logsource:
    category: process_creation
    product: macos
detection:
    selection1:
        Image: '/usr/bin/security'
        CommandLine|contains:
            - 'find-certificate'
            - ' export '
    selection2:
        CommandLine|contains:
            - ' dump-keychain '
            - ' login-keychain '
    condition: 1 of selection*
falsepositives:
    - Legitimate administration activities
level: medium