DNS Under Siege: The Covert Campaign Hijacking Thousands of Domains

SittingDucksDomainHijackingPhishing

The "Sitting Ducks" campaign exploits DNS vulnerabilities to hijack over 35,000 domains without accessing owner accounts. It targets domains with weak verification processes and misconfigured authoritative name servers or different DNS providers. Russian cybercriminals primarily use these hijacked domains for phishing, malware distribution, and data theft.

Indicators of Compromise

IPv4 (3)

81.19.135.241178.250.243.3045.136.49.35

Notes

<span style="font-size: 13pt; font-family: Arial, sans-serif; color: rgb(0, 0, 0); background-color: transparent; font-weight: 700; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">CONCLUSION<span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(0, 0, 0); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">The "Sitting Ducks" campaign has underscored critical vulnerabilities within the Domain Name System (DNS), resulting in the hijacking of over 35,000 domains. This campaign exploits inadequacies in domain ownership verification processes and improper DNS configurations, allowing attackers to assume control without needing access to the owner's account. Consequently, hijacked domains are repurposed for phishing, malware dissemination, and data exfiltration, predominantly by Russian cybercriminal entities.<span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(0, 0, 0); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">The persistence and sophistication of the "Sitting Ducks" campaign highlight the urgent need for strengthened DNS security measures. Exploiting DNS infrastructure vulnerabilities, attackers have managed to execute extensive operations with significant impact. Therefore, it is imperative to implement robust security protocols and continually monitor DNS configurations to mitigate such risks<span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(0, 0, 0); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">Organizations and domain owners must undertake proactive measures, including routine DNS audits, the deployment of multi-factor authentication, and ensuring the accurate configuration of DNS records. Moreover, leveraging advanced threat intelligence and monitoring tools can facilitate early detection and response to these threats.<span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(0, 0, 0); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;"> <span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(0, 0, 0); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">For enhanced protection and comprehensive oversight of potential attack surfaces, users and members are encouraged to adopt SOCRadar's <a href="https://socradar.io/products/attack-surface-management/"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(17, 85, 204); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; text-decoration-line: underline; vertical-align: baseline;">Attack Surface Management (ASM)</a><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(0, 0, 0); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;"> Tool. This tool offers real-time monitoring and alerts, thus bolstering defenses against domain hijacking and other cyber threats, ensuring a robust security posture against sophisticated campaigns like "Sitting Ducks".

Mitigation

<span style="font-size: 13pt; font-family: Arial, sans-serif; color: rgb(0, 0, 0); background-color: transparent; font-weight: 700; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">MITIGATION <span style="font-size: 13pt; font-family: Arial, sans-serif; color: rgb(0, 0, 0); background-color: transparent; font-weight: 700; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">T1078-Valid Accounts <div style="margin-left:0pt;" align="left"><table style="border:none;border-collapse:collapse;"><colgroup><col><col><col></colgroup><tbody><tr style="height:37.75pt;"><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:bottom;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(33, 37, 41); background-color: transparent; font-weight: 700; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">ID</td><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:bottom;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(33, 37, 41); background-color: transparent; font-weight: 700; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">Mitigation</td><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:bottom;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(33, 37, 41); background-color: transparent; font-weight: 700; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">Description</td></tr><tr style="height:55.75pt;"><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:top;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><a href="https://attack.mitre.org/mitigations/M1036"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(79, 124, 172); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">M1036</a></td><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:top;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><a href="https://attack.mitre.org/mitigations/M1036"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(79, 124, 172); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">Account Use Policies</a></td><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:top;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(33, 37, 41); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">Use conditional access policies to block logins from non-compliant devices or from outside defined organization IP ranges.<a href="https://learn.microsoft.com/en-us/azure/active-directory/conditional-access/concept-conditional-access-policy-common"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(79, 124, 172); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">[71]</a></td></tr><tr style="height:55.75pt;"><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:top;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><a href="https://attack.mitre.org/mitigations/M1015"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(79, 124, 172); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">M1015</a></td><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:top;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><a href="https://attack.mitre.org/mitigations/M1015"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(79, 124, 172); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">Active Directory Configuration</a></td><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:top;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(33, 37, 41); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">Disable legacy authentication, which does not support MFA, and require the use of modern authentication protocols instead.</td></tr><tr style="height:68.5pt;"><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:top;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><a href="https://attack.mitre.org/mitigations/M1013"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(79, 124, 172); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">M1013</a></td><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:top;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><a href="https://attack.mitre.org/mitigations/M1013"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(79, 124, 172); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">Application Developer Guidance</a></td><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:top;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(33, 37, 41); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">Ensure that applications do not store sensitive data or credentials insecurely. (e.g. plaintext credentials in code, published credentials in repositories, or credentials in public cloud storage).</td></tr><tr style="height:94pt;"><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:top;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><a href="https://attack.mitre.org/mitigations/M1027"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(79, 124, 172); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">M1027</a></td><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:top;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><a href="https://attack.mitre.org/mitigations/M1027"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(79, 124, 172); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">Password Policies</a></td><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:top;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(33, 37, 41); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">Applications and appliances that utilize default username and password should be changed immediately after the installation, and before deployment to a production environment.<a href="https://www.us-cert.gov/ncas/alerts/TA13-175A"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(79, 124, 172); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">[72]</a><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(33, 37, 41); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;"> When possible, applications that use SSH keys should be updated periodically and properly secured.<span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(33, 37, 41); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">Policies should minimize (if not eliminate) reuse of passwords between different user accounts, especially employees using the same credentials for personal accounts that may not be defended by enterprise security resources.</td></tr><tr style="height:82pt;"><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:top;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><a href="https://attack.mitre.org/mitigations/M1026"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(79, 124, 172); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">M1026</a></td><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:top;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><a href="https://attack.mitre.org/mitigations/M1026"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(79, 124, 172); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">Privileged Account Management</a></td><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:top;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(33, 37, 41); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">Audit domain and local accounts as well as their permission levels routinely to look for situations that could allow an adversary to gain wide access by obtaining credentials of a privileged account. <a href="https://technet.microsoft.com/en-us/library/dn535501.aspx"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(79, 124, 172); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">[3]</a><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(33, 37, 41); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;"> <a href="https://technet.microsoft.com/en-us/library/dn487450.aspx"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(79, 124, 172); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">[73]</a><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(33, 37, 41); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;"> These audits should also include if default accounts have been enabled, or if new local accounts are created that have not be authorized. Follow best practices for design and administration of an enterprise network to limit privileged account use across administrative tiers. <a href="https://docs.microsoft.com/en-us/windows-server/identity/securing-privileged-access/securing-privileged-access-reference-material#a-nameesaebmaesae-administrative-forest-design-approach"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(79, 124, 172); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">[74]</a></td></tr><tr style="height:55.75pt;"><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:top;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><a href="https://attack.mitre.org/mitigations/M1018"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(79, 124, 172); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">M1018</a></td><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:top;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><a href="https://attack.mitre.org/mitigations/M1018"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(79, 124, 172); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">User Account Management</a></td><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:top;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(33, 37, 41); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">Regularly audit user accounts for activity and deactivate or remove any that are no longer needed.</td></tr><tr style="height:55.75pt;"><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:top;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><a href="https://attack.mitre.org/mitigations/M1017"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(79, 124, 172); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">M1017</a></td><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:top;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><a href="https://attack.mitre.org/mitigations/M1017"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(79, 124, 172); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">User Training</a></td><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:top;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(33, 37, 41); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">Applications may send push notifications to verify a login as a form of multi-factor authentication (MFA). Train users to only accept valid push notifications and to report suspicious push notifications.</td></tr></tbody></table></div> <span style="font-size: 13pt; font-family: Arial, sans-serif; color: rgb(0, 0, 0); background-color: transparent; font-weight: 700; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">T1547-Boot or Logon Autostart Execution<span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(57, 67, 76); font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">This type of attack technique cannot be easily mitigated with preventive controls since it is based on the abuse of system features. <span style="font-size: 13pt; font-family: Arial, sans-serif; color: rgb(0, 0, 0); background-color: transparent; font-weight: 700; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">T1071-Application Layer Protocol <div style="margin-left:0pt;" align="left"><table style="border:none;border-collapse:collapse;"><colgroup><col><col><col></colgroup><tbody><tr style="height:37.75pt;"><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:bottom;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><span style="font-size: 12pt; font-family: Arial, sans-serif; color: rgb(33, 37, 41); background-color: transparent; font-weight: 700; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">ID</td><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:bottom;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><span style="font-size: 12pt; font-family: Arial, sans-serif; color: rgb(33, 37, 41); background-color: transparent; font-weight: 700; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">Mitigation</td><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:bottom;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><span style="font-size: 12pt; font-family: Arial, sans-serif; color: rgb(33, 37, 41); background-color: transparent; font-weight: 700; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">Description</td></tr><tr style="height:42.25pt;"><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:top;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><a href="https://attack.mitre.org/mitigations/M1037"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(79, 124, 172); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">M1037</a></td><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:top;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><a href="https://attack.mitre.org/mitigations/M1037"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(79, 124, 172); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">Filter Network Traffic</a></td><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:top;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(33, 37, 41); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">Use network appliances to filter ingress or egress traffic and perform protocol-based filtering. Configure software on endpoints to filter network traffic.</td></tr><tr style="height:55.75pt;"><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:top;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><a href="https://attack.mitre.org/mitigations/M1031"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(79, 124, 172); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">M1031</a></td><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:top;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><a href="https://attack.mitre.org/mitigations/M1031"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(79, 124, 172); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">Network Intrusion Prevention</a></td><td style="border-left:solid #dfdfdf 0.8333325pt;border-right:solid #dfdfdf 0.8333325pt;border-bottom:solid #dfdfdf 0.8333325pt;border-top:solid #dfdfdf 0.8333325pt;vertical-align:top;background-color:#f2f2f2;padding:5pt 5pt 5pt 5pt;overflow:hidden;overflow-wrap:break-word;"><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(33, 37, 41); background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;">Network intrusion detection and prevention systems that use network signatures to identify traffic for specific adversary malware can be used to mitigate activity at the network level.</td></tr></tbody></table></div>