Handler on Duty: Johannes Ullrich
Threat Level: green
Podcast Detail
SANS Stormcast Monday, March 16th, 2026: SmartApeSG and Remcos RAT; React Based Phishing; Google Chrome Patches; AdGaurd Vuln
If you are not able to play the podcast using the player below: Use this direct link to the audio file: https://traffic.libsyn.com/securitypodcast/9850.mp3
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SmartApeSG campaign uses ClickFix page to push Remcos RAT
https://isc.sans.edu/diary/SmartApeSG%20campaign%20uses%20ClickFix%20page%20to%20push%20Remcos%20RAT/32796
A React-based phishing page with credential exfiltration via EmailJS
https://isc.sans.edu/diary/32794
Google Chrome announced two zero-day fixes, then removed one.
https://chromereleases.googleblog.com/2026/03/stable-channel-update-for-desktop_12.html
AdGuard Vulnerability
https://github.com/AdguardTeam/AdGuardHome/releases/tag/v0.107.73
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
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