Anvilogic low experimental spl

AWS Connections Discovery [splunk-awscloudtrail]

Adversaries may attempt to get a listing of network connections to or from the compromised system they are currently accessing or from remote systems by querying for information over the network. An adversary who gains access to a system that is part of a cloud-based environment may map out Virtual Private Clouds or Virtual Networks in order to determine what systems and services are connected -- Threat Actor Association: GUI-vil

View Source

Detection Logic

`get_cloud_data` `get_cloud_data_aws` eventName IN("ListConnections", "DescribeConnections")
| table _time, host, user, account, region, src_ip, http_user_agent, access_key, user, user_id, identity_type, role, event_name, event_category, cloud_service, request_parameters, response, mfa_enabled, permissions, identity, action, resource_id, object_id, dest_*
| bin span=1s
| stats values(*) as * by _time, user
| lookup dnslookup clientip as src_ip OUTPUT clienthost as src_dns
| iplocation prefix="src_" src_ip
| rename src_Country as src_country

Field Validations

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