mirror of
https://github.com/splunk/security_content
synced 2026-06-08 17:32:49 +00:00
Eric
123 lines
4.1 KiB
YAML
123 lines
4.1 KiB
YAML
name: AWS CloudTrail CreateNetworkAclEntry
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id: 45934028-10ec-4ab5-a7b1-a6349b833e67
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version: 3
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creation_date: '2024-05-22'
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modification_date: '2026-05-13'
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author: Patrick Bareiss, Splunk
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description: Logs the creation of new entries in a network ACL, including rules to allow or deny specific network traffic.
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mitre_components:
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- Firewall Rule Modification
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- Network Connection Creation
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- Cloud Service Modification
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- Cloud Service Metadata
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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: CreateNetworkAclEntry
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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: 8.1.2
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fields:
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- _time
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- action
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- app
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- awsRegion
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- aws_account_id
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- change_type
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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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- direction
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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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- eventtype
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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
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- object_category
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- object_id
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- product
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- protocol
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- protocol_code
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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.aclProtocol
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- requestParameters.cidrBlock
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- requestParameters.egress
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- requestParameters.networkAclId
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- requestParameters.ruleAction
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- requestParameters.ruleNumber
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- responseElements._return
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- responseElements.requestId
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- rule_action
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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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- src_ip_range
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- start_time
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- status
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- tag
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- tag::eventtype
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- timeendpos
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- timestartpos
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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.sessionContext.attributes.creationDate
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- userIdentity.sessionContext.attributes.mfaAuthenticated
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- userIdentity.sessionContext.sessionIssuer.accountId
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- userIdentity.sessionContext.sessionIssuer.arn
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- userIdentity.sessionContext.sessionIssuer.principalId
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- userIdentity.sessionContext.sessionIssuer.type
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- userIdentity.sessionContext.sessionIssuer.userName
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- userIdentity.type
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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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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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example_log: '{"eventVersion": "1.08", "userIdentity": {"type": "AssumedRole", "principalId": "AROAIJIESMXKGCJRCTPR6:pbareiss@splunk.local", "arn": "arn:aws:sts::111111111111:assumed-role/okta_adm_role/pbareiss@splunk.local", "accountId": "111111111111", "accessKeyId": "ASIAYTOGP2RLF3F7BXZK", "sessionContext": {"sessionIssuer": {"type": "Role", "principalId": "AROAIJIESMXKGCJRCTPR6", "arn": "arn:aws:iam::111111111111:role/okta_adm_role", "accountId": "111111111111", "userName": "okta_adm_role"}, "webIdFederationData": {}, "attributes": {"mfaAuthenticated": "false", "creationDate": "2021-01-12T08:36:15Z"}}}, "eventTime": "2021-01-12T08:38:39Z", "eventSource": "ec2.amazonaws.com", "eventName": "CreateNetworkAclEntry", "awsRegion": "eu-central-1", "sourceIPAddress": "95.90.199.65", "userAgent": "console.ec2.amazonaws.com", "requestParameters": {"networkAclId": "acl-078ccebebcbabe175", "ruleNumber": 10, "egress": false, "ruleAction": "allow", "icmpTypeCode": {}, "portRange": {}, "aclProtocol": "-1", "cidrBlock": "0.0.0.0/0"}, "responseElements": {"requestId": "d29c9c32-3a72-48d3-b612-6ba795e9ec64", "_return": true}, "requestID": "d29c9c32-3a72-48d3-b612-6ba795e9ec64", "eventID": "6d1ce00e-4099-463c-8a4d-2af2fb2178ba", "readOnly": false, "eventType": "AwsApiCall", "managementEvent": true, "eventCategory": "Management", "recipientAccountId": "111111111111"}'
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