Podcast Detail

SANS Stormcast Thursday, February 19th, 2026: Malware Image Resuse; Dell RecoveryPoint; Admin Center Vuln; DNS-PERSIST-01

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Malware Image Resuse; Dell RecoveryPoint; Admin Center Vuln; DNS-PERSIST-01

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Application Security: Securing Web Apps, APIs, and Microservices	Orlando	Mar 29th - Apr 3rd 2026
Network Monitoring and Threat Detection In-Depth	Amsterdam	Apr 20th - Apr 25th 2026

… more classes

Tracking Malware Campaigns With Reused Material
https://isc.sans.edu/diary/Tracking%20Malware%20Campaigns%20With%20Reused%20Material/32726

From BRICKSTORM to GRIMBOLT: UNC6201 Exploiting a Dell RecoverPoint for Virtual Machines Zero-Day
https://cloud.google.com/blog/topics/threat-intelligence/unc6201-exploiting-dell-recoverpoint-zero-day

Windows Admin Center Elevation of Privilege Vulnerability CVE-2026-26119
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26119
 DNS-PERSIST-01: A New Model for DNS-based Challenge Validation
https://letsencrypt.org/2026/02/18/dns-persist-01.html

Defending Web Apps
https://www.sans.org/cyber-security-courses/application-security-securing-web-apps-api-microservices

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Discussion

The Shibboleth vulnerability is quite interesting. In their example, the SAML signature covers the entire and they've made modifications to it (the changes to the uid) that should cause the signature to fail validation. This vulnerability speaks to larger architectural issues with Shibboleth. Obviously the signature validation is happening on a DIFFERENT document (the inline DTD defs are resolved and replaced) than the attribute extraction code works on (the inline DTD variables are not replaced). This is a HUGE no no and leads to the confused deputy issues that caused the vulnerability. I would bet other SP SAML parsing code is making similar mistakes.

Posted by Anonymous on Tue Jan 16 2018, 16:54

Application Security: Securing Web Apps, APIs, and Microservices	Orlando	Mar 29th - Apr 3rd 2026
Network Monitoring and Threat Detection In-Depth	Amsterdam	Apr 20th - Apr 25th 2026
Application Security: Securing Web Apps, APIs, and Microservices	San Diego	May 11th - May 16th 2026
Network Monitoring and Threat Detection In-Depth	Online \| Arabian Standard Time	Jun 20th - Jun 25th 2026
Network Monitoring and Threat Detection In-Depth	Riyadh	Jun 20th - Jun 25th 2026
Application Security: Securing Web Apps, APIs, and Microservices	Washington	Jul 13th - Jul 18th 2026
Application Security: Securing Web Apps, APIs, and Microservices	Online \| British Summer Time	Jul 27th - Aug 1st 2026
Application Security: Securing Web Apps, APIs, and Microservices	Las Vegas	Sep 21st - Sep 26th 2026

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