Cisco Duo Policy Allow Old Java

Original Source: [splunk source]
Name:Cisco Duo Policy Allow Old Java
id:ff56d843-57de-4a87-b726-13b145f6bf96
version:1
date:2025-07-09
author:Patrick Bareiss, Splunk
status:production
type:TTP
Description:The following analytic detects when a Duo policy is created or updated to allow the use of outdated Java versions, which can introduce significant security risks. It works by searching Duo administrator activity logs for policy creation or update actions where the policy explicitly sets 'java_remediation' to 'no remediation', indicating that no restrictions are enforced against old Java. The analytic aggregates relevant details such as the user, admin email, and action context for further investigation. Identifying this behavior is critical for a Security Operations Center (SOC) because allowing outdated Java can expose an organization to known vulnerabilities, malware, and exploitation techniques. Attackers or malicious insiders may attempt to weaken security controls by modifying policies to permit insecure software, increasing the risk of compromise. Prompt detection enables SOC analysts to respond quickly, revert risky changes, and mitigate potential threats before they are exploited.
Data_source:
  • -Cisco Duo Administrator
search:`cisco_duo_administrator` action=policy_update OR action=policy_create
| spath input=description
| search java_remediation="no remediation"
| rename object as user
| stats count min(_time) as firstTime max(_time) as lastTime by action actionlabel description user admin_email
| `security_content_ctime(firstTime)`
| `security_content_ctime(lastTime)`
| `cisco_duo_policy_allow_old_java_filter`


how_to_implement:The analytic leverages Duo activity logs to be ingested using the Cisco Security Cloud App (https://splunkbase.splunk.com/app/7404).
known_false_positives:unknown
References:
  -https://splunkbase.splunk.com/app/7404
drilldown_searches:
name:'View the detection results for - "$user$"'
search:'%original_detection_search% | search user = "$user$"'
earliest_offset:'$info_min_time$'
latest_offset:'$info_max_time$'
name:'View risk events for the last 7 days for - "$user$"'
search:'| from datamodel Risk.All_Risk | search normalized_risk_object IN ("$user$") starthoursago=168 | stats count min(_time) as firstTime max(_time) as lastTime values(search_name) as "Search Name" values(risk_message) as "Risk Message" values(analyticstories) as "Analytic Stories" values(annotations._all) as "Annotations" values(annotations.mitre_attack.mitre_tactic) as "ATT&CK Tactics" by normalized_risk_object | `security_content_ctime(firstTime)` | `security_content_ctime(lastTime)`'
earliest_offset:'$info_min_time$'
latest_offset:'$info_max_time$'
tags:
  analytic_story:
    - 'Cisco Duo Suspicious Activity'
  asset_type:Identity
  mitre_attack_id:
    - 'T1556'
  product:
    - 'Splunk Enterprise'
    - 'Splunk Enterprise Security'
    - 'Splunk Cloud'
  security_domain:identity

tests:
name:'True Positive Test'
 attack_data:
  data: https://media.githubusercontent.com/media/splunk/attack_data/master/datasets/attack_techniques/T1556/cisco_duo_policy_allow_old_flash_and_java/cisco_duo_administrator.json
  source: duo
  sourcetype: cisco:duo:administrator
manual_test:None

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