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Downloading AWS Security Monitoring App for Splunk
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AWS Security Monitoring App for Splunk

This app has been archived. Learn more about app archiving.
This app is NOT supported by Splunk. Please read about what that means for you here.
Overview
Details
This Splunk app contains template alerts for detection of threats affecting AWS Platform environments, linked with the Mitre Attack Matrix for IaaS.

The alerts currently supported by this app and methods to test / emulate these alerts are described [here](https://gist.github.com/manasmbellani/172e44466755f73e3a01a978e30b121a#file-splunkawssecuritymon-md)

A list of alerts built within the app are also provided in the `Details` section.

Setup

To setup the splunk app, simply follow the standard Splunk steps to install the app via .spl provided.

Once the app has been installed, the alerts by default are setup to use following base searches which should be customized for user's environment via the Advanced Search > Search macros option for the app:

  • For cloudtrail logs, update macro aws_cloudtrail_search to use the correct index/sourcetype. Default value is provided below:
index=main sourcetype="aws:cloudtrail"
  • For cloudtrail field mapping, macro aws_cloudtrail_rename_fields can be updated if any field mappings are not correct

Please note that the alerts are templates only following the Mitre attack framework, and may need to be baselined for your AWS environment.

Usage

Each alert configured in the AWS Security Monitoring app for Splunk will execute every hour by default. Alerts that are triggered will be appended to a alerts.csv file within the app and the Splunk dashboard will be updated accordingly with these alerts.

To emulate the alerts, refer to the following link which contains details about all supported alerts, and how to emulate them.

List of supported Alerts

Release Notes

Version 3.0.12
April 7, 2023

Added alerts:

aws_detect_iam_login_profile_update
aws_detect_iam_login_profile_create
aws_detect_ecr_image_auth_token_get
aws_detect_ecr_new_repo_image_create

Version 3.0.11
March 26, 2023

Added 1 alert for aws_detect_ec2_ssh_public_key_addition

Version 3.0.10
March 26, 2023

Added 2 new alerts - aws_detect_iam_group_added_with_user_from_ec2, aws_detect_ec2_instances_run

Version 3.0.9
March 22, 2023

Added alert (aws_detect_iam_default_policy_version_set)

Version 3.0.8
March 18, 2023

Added new alerts aws_detect_iam_group_added_with_user, aws_detect_iam_new_policy_version_assignment

Version 3.0.7
March 15, 2023

Added new alerts: aws_detect_iam_password_policy_enumeration, aws_detect_iam_password_policy_update

Version 3.0.6
March 12, 2023

Added 4 new alerts -
aws_detect_s3_cloudtrail_bucket_lifecycle_rule_applied
aws_detect_ec2_vpc_flow_config_deleted
aws_detect_cloudwatch_log_stream_delete
aws_detect_cloudwatch_log_group_delete

Version 3.0.5
March 9, 2023

Added new alerts aws_detect_signin_credential_stuffing, aws_detect_iam_user_created, aws_detect_iam_user_deleted, aws_detect_iam_accesskey_created, aws_detect_iam_accesskey_deleted
Fixed userIdentity.userName field in renaming search macro for consistency

Version 3.0.4
March 6, 2023

Added alert for detection of cloudtrail logging disabling by disabling of cloudtrail (aws_detect_cloudtrail_trail_deleted)

Version 3.0.3
March 5, 2023

Added alert for detection of Guardduty Finding Suppression (aws_detect_guardduty_suppression_filter_creation)

Version 3.0.2
March 4, 2023

Added alert for archiving of guardduty alerts (aws_detect_guardduty_archive_findings)

Version 3.0.1
March 1, 2023

Add new alert aws_detect_lambda_function_deletion_serverless_execution
Fixed the field renaming macro so that empty fields don't break the body field

Version 3.0.0
Feb. 28, 2023

Added an alert for AWS serverless execution (aws_detect_lambda_function_creation_serverless_execution)

Version 1.0.2
Feb. 26, 2023

Added alerts aws_detect_guardduty_disable, aws_detect_cloud_infrastructure_discovery_via_golang_smogcloud


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