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https://github.com/splunk/security_content
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bpatel
51 lines
2.2 KiB
YAML
51 lines
2.2 KiB
YAML
baseline:
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splunk:
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schedule:
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cron_schedule: 0 0 1 * *
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earliest_time: -60m@m
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latest_time: m@m
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search: sourcetype=aws:cloudtrail eventName=ConsoleLogin | rename userIdentity.arn
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as user | iplocation src | eval City=if(City LIKE "",src,City),Region=if(Region
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LIKE "",src,Region) | stats earliest(_time) AS firstTime latest(_time) AS firstTime
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by user src City Region Country | inputlookup append=t previously_seen_users_console_logins.csv
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| stats min(firstTime) as firstTime max(firstTime) as firstTime by user src City Region
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Country | outputlookup previously_seen_users_console_logins.csv
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creation_date: '2019-04-25'
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data_metadata:
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data_source:
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- AWS CloudTrail logs
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data_sourcetypes:
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- aws:cloudtrail
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providing_technologies:
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- AWS
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description: This search looks for CloudTrail events where a user logs into the console,
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then updates the baseline of the latest and earliest times, City, Region, and Country
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we have encountered this user in our dataset, grouped by ARN, within the last hour.
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eli5: In this support search, we look for console login events by a particular user
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to update the baseline cache of users/arns making the accesses, including the earliest
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and latest times, City, Region, and Country a particular user ARN is seen in our
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dataset, grouped by the ARN value. In cases where City and Region cannot be determined,
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the source IP address is substituted for these values.
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entities:
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- user
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- src
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how_to_implement: You must install the AWS App for Splunk (version 5.1.0 or later)
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and Splunk Add-on for AWS (version 4.4.0 or later), then configure your CloudTrail
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inputs. Please validate the user name entries in `previously_seen_users_console_logins.csv`,
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which is a lookup file created as a result of running this support search.
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id: 06c036e6-d6d7-4daa-bd76-411c3d356031
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known_false_positives: n/a
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maintainers:
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- company: Splunk
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email: jbrewer@splunk.com
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name: Jason Brewer
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modification_date: '2018-04-30'
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name: Update previously seen users in CloudTrail
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original_authors:
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- company: Splunk
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email: jbrewer@splunk.com
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name: Jason Brewer
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spec_version: 2
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type: splunk
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version: '1.0'
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