{"description":"Trending threats, MITRE ATT\u0026CK coverage, and detection metadata. Fed continuously.","feed_url":"https://feed.craftedsignal.io/tags/tampered_devices/feed.json","home_page_url":"https://feed.craftedsignal.io/","items":[{"_cs_actors":[],"_cs_cpes":[],"_cs_cves":[],"_cs_exploited":false,"_cs_has_poc":false,"_cs_poc_references":[],"_cs_products":["Duo"],"_cs_severities":["high"],"_cs_tags":["cisco_duo","policy_change","tampered_devices","rooted_devices","identity"],"_cs_type":"advisory","_cs_vendors":["Cisco"],"content_html":"\u003cp\u003eThis analytic detects when a Duo policy is created or updated to allow tampered or rooted devices (e.g., jailbroken smartphones) to access protected resources. The detection focuses on changes to Duo policies where the \u003ccode\u003eallow_rooted_devices\u003c/code\u003e setting is enabled. The activity is identified through the examination of Cisco Duo administrator activity logs. This poses a significant security risk because tampered devices can bypass security controls, run unauthorized software, and become more susceptible to compromise. The ability to modify these settings can be indicative of a misconfiguration or a malicious attempt to weaken authentication requirements, potentially granting attackers access to sensitive systems using compromised devices.\u003c/p\u003e\n\u003ch2 id=\"attack-chain\"\u003eAttack Chain\u003c/h2\u003e\n\u003col\u003e\n\u003cli\u003eAn attacker gains access to an administrative account within the Cisco Duo environment.\u003c/li\u003e\n\u003cli\u003eThe attacker authenticates to the Duo Admin Panel.\u003c/li\u003e\n\u003cli\u003eThe attacker navigates to the Policies section within the Duo Admin Panel.\u003c/li\u003e\n\u003cli\u003eThe attacker modifies an existing policy or creates a new policy.\u003c/li\u003e\n\u003cli\u003eDuring policy creation or modification, the attacker enables the \u0026quot;Allow rooted devices\u0026quot; setting, which is represented as \u003ccode\u003eallow_rooted_devices=true\u003c/code\u003e in the policy description.\u003c/li\u003e\n\u003cli\u003eThe Duo Admin Panel logs the policy creation or update event in the administrator activity logs.\u003c/li\u003e\n\u003cli\u003eTampered devices are now able to authenticate via Duo and access protected resources.\u003c/li\u003e\n\u003c/ol\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eA successful attack can lead to the circumvention of security controls on tampered devices, unauthorized access to sensitive systems, data breaches, and potential lateral movement within the network. Organizations relying on Duo for multi-factor authentication may experience a significant degradation in their security posture if this policy is enabled, potentially affecting thousands of users and devices.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDeploy the Sigma rule \u003ccode\u003eCisco Duo Policy Allowing Tampered Devices\u003c/code\u003e to detect the creation or modification of Duo policies allowing tampered devices by monitoring the Duo administrator activity logs.\u003c/li\u003e\n\u003cli\u003eReview and audit existing Duo policies to identify any unintentional or malicious configurations allowing tampered devices.\u003c/li\u003e\n\u003cli\u003eMonitor the \u003ccode\u003eCisco Duo Administrator\u003c/code\u003e logs for suspicious activity, especially related to policy changes.\u003c/li\u003e\n\u003cli\u003eInvestigate any alerts triggered by the Sigma rule and remediate by reverting the policy change.\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2024-01-03T12:00:00Z","date_published":"2024-01-03T12:00:00Z","id":"https://feed.craftedsignal.io/briefs/2024-01-03-cisco-duo-tampered-devices/","summary":"A threat actor modifies or creates a Cisco Duo policy to allow tampered or rooted devices to access protected resources, potentially bypassing security controls and enabling unauthorized access.","title":"Cisco Duo Policy Allowing Tampered Devices","url":"https://feed.craftedsignal.io/briefs/2024-01-03-cisco-duo-tampered-devices/"}],"language":"en","title":"CraftedSignal Threat Feed - Tampered_devices","version":"https://jsonfeed.org/version/1.1"}