mirror of
https://github.com/splunk/security_content
synced 2026-06-08 17:32:49 +00:00
patel-bhavin
128 lines
3.6 KiB
YAML
128 lines
3.6 KiB
YAML
name: AWS CloudTrail GetObject
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id: 5063cb10-84c0-44af-ade4-ab9ecad11dfe
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version: 2
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date: '2025-01-23'
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author: Patrick Bareiss, Splunk
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description: Logs an event when a request is made to access an object stored in an
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AWS S3 bucket.
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mitre_components:
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- Cloud Storage Access
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- Cloud Storage Metadata
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- Cloud Storage Enumeration
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source: aws_cloudtrail
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sourcetype: aws:cloudtrail
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separator: eventName
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separator_value: GetObject
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supported_TA:
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- name: Splunk Add-on for AWS
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url: https://splunkbase.splunk.com/app/1876
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version: 7.11.0
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fields:
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- _time
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- additionalEventData.AuthenticationMethod
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- additionalEventData.CipherSuite
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- additionalEventData.SignatureVersion
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- additionalEventData.bytesTransferredIn
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- additionalEventData.bytesTransferredOut
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- additionalEventData.x-amz-id-2
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- app
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- awsRegion
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- aws_account_id
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- command
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- date_hour
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- date_mday
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- date_minute
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- date_month
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- date_second
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- date_wday
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- date_year
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- date_zone
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- dest
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- dvc
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- errorCode
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- eventCategory
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- eventID
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- eventName
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- eventSource
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- eventTime
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- eventType
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- eventVersion
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- host
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- index
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- linecount
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- managementEvent
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- msg
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- object_category
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- product
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- punct
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- readOnly
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- recipientAccountId
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- region
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- requestID
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- requestParameters.Host
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- requestParameters.bucketName
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- requestParameters.key
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- requestParameters.x-amz-request-payer
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- resources{}.ARN
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- resources{}.accountId
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- resources{}.type
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- responseElements
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- signature
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- source
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- sourceIPAddress
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- sourcetype
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- splunk_server
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- src
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- src_ip
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- start_time
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- timeendpos
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- timestartpos
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- tlsDetails.cipherSuite
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- tlsDetails.clientProvidedHostHeader
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- tlsDetails.tlsVersion
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- user
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- userAgent
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- userIdentity.accessKeyId
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- userIdentity.accountId
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- userIdentity.arn
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- userIdentity.principalId
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- userIdentity.type
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- userIdentity.userName
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- userName
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- user_access_key
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- user_agent
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- user_arn
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- user_group_id
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- user_id
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- user_name
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- user_type
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- vendor
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- vendor_account
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- vendor_product
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- vendor_region
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example_log: '{"eventVersion": "1.08", "userIdentity": {"type": "IAMUser", "principalId":
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"AIDAYTOGP2RLCNEAQXWZV", "arn": "arn:aws:iam::111111111111:user/console", "accountId":
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"111111111111", "accessKeyId": "AKIAYTOGP2RLF5EAXXXX", "userName": "console"}, "eventTime":
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"2023-04-11T01:18:47Z", "eventSource": "s3.amazonaws.com", "eventName": "GetObject",
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"awsRegion": "us-west-2", "sourceIPAddress": "12.26.0.38", "userAgent": "[aws-cli/2.11.2
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Python/3.11.2 Darwin/22.3.0 exe/x86_64 prompt/off command/s3.cp]", "requestParameters":
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{"bucketName": "security-content", "Host": "security-content.s3.us-west-2.amazonaws.com",
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"x-amz-request-payer": "requester", "key": "stories/windows_discovery_techniques.yml"},
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"responseElements": null, "additionalEventData": {"SignatureVersion": "SigV4", "CipherSuite":
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"ECDHE-RSA-AES128-GCM-SHA256", "bytesTransferredIn": 0, "AuthenticationMethod":
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"AuthHeader", "x-amz-id-2": "dcha0yrujT+O4FHsYxHx48KxMk4+wtO7MaNRwFOFs46R1PynKWcCsbLScYEFytN+Vt35hyq1cek=",
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"bytesTransferredOut": 1136}, "requestID": "GVSEBM08Z93FB3BT", "eventID": "2b7231c2-892d-464e-8880-1e4f81ae7eb2",
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"readOnly": true, "resources": [{"type": "AWS::S3::Object", "ARN": "arn:aws:s3:::security-content/stories/windows_discovery_techniques.yml"},
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{"accountId": "111111111111", "type": "AWS::S3::Bucket", "ARN": "arn:aws:s3:::security-content"}],
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"eventType": "AwsApiCall", "managementEvent": false, "recipientAccountId": "111111111111",
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"eventCategory": "Data", "tlsDetails": {"tlsVersion": "TLSv1.2", "cipherSuite":
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"ECDHE-RSA-AES128-GCM-SHA256", "clientProvidedHostHeader": "security-content.s3.us-west-2.amazonaws.com"}}'
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output_fields:
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- dest
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- user
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- user_agent
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- src
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- vendor_account
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- vendor_region
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- vendor_product
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