security_content/data_sources/windows_event_log_capi2_70.yml at 2b6d541b4c179dc3fc0dbabcb420fb98ba1d5f88 · splunk/security_content · GitHub

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name: Windows Event Log CAPI2 70
id: 821de0a6-c5b4-491b-a27e-187552792817
version: 4
creation_date: '2024-05-22'
modification_date: '2026-05-13'
author: Patrick Bareiss, Splunk
description: This event log records events related to cryptographic operations, including the deletion and export of certificates.
mitre_components:
    - Certificate Registration
    - Process Metadata
    - Application Log Content
    - OS API Execution
    - Host Status
source: XmlWinEventLog:Microsoft-Windows-CAPI2/Operational
sourcetype: XmlWinEventLog
separator: EventCode
separator_value: '70'
supported_TA:
    - name: Splunk Add-on for Microsoft Windows
      url: https://splunkbase.splunk.com/app/742
      version: 10.0.1
fields:
    - _time
    - Channel
    - Computer
    - EventCode
    - EventID
    - EventRecordID
    - Guid
    - Keywords
    - Level
    - Name
    - Opcode
    - ProcessID
    - RecordNumber
    - SystemTime
    - System_Props_Xml
    - Task
    - ThreadID
    - UserData_Xml
    - UserID
    - Version
    - date_hour
    - date_mday
    - date_minute
    - date_month
    - date_second
    - date_wday
    - date_year
    - date_zone
    - dvc
    - dvc_nt_host
    - event_id
    - eventtype
    - host
    - id
    - index
    - linecount
    - punct
    - signature_id
    - source
    - sourcetype
    - splunk_server
    - tag
    - tag::eventtype
    - timeendpos
    - timestartpos
    - user_id
    - vendor_product
example_log: <Event xmlns='http://schemas.microsoft.com/win/2004/08/events/event'><System><Provider Name='Microsoft-Windows-CAPI2' Guid='{5bbca4a8-b209-48dc-a8c7-b23d3e5216fb}'/><EventID>70</EventID><Version>0</Version><Level>4</Level><Task>70</Task><Opcode>0</Opcode><Keywords>0x4000000000000080</Keywords><TimeCreated SystemTime='2023-02-09T20:57:21.815339400Z'/><EventRecordID>308332</EventRecordID><Correlation/><Execution ProcessID='3680' ThreadID='212'/><Channel>Microsoft-Windows-CAPI2/Operational</Channel><Computer>win-dc-mhaag-attack-range-84.attackrange.local</Computer><Security UserID='S-1-5-21-2690122726-1172718210-436210976-500'/></System><UserData><CryptAcquireCertificatePrivateKey><Certificate fileRef='5A752C9207730D787A9AF0A11FDFD59F68A6EB8C.cer' subjectName='test.atomic.com'/><Flags value='10001' CRYPT_ACQUIRE_CACHE_FLAG='true' CRYPT_ACQUIRE_ALLOW_NCRYPT_KEY_FLAG='true'/><EventAuxInfo ProcessName='rundll32.exe'/><CorrelationAuxInfo TaskId='{09F7E1D8-FE03-4AFA-8B1F-A38A574E44C9}' SeqNumber='2'/><Result value='0'/></CryptAcquireCertificatePrivateKey></UserData></Event>