Handler on Duty: Russ McRee
Threat Level: green
Podcast Detail
SANS Stormcast June, June 9th, 2025: Extracting PNG Data; GlueStack Packages Backdoor; MacOS targeted by Clickfix; INETPUB restore script
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/9484.mp3

Extracting PNG Data; GlueStack Packages Backdoor; MacOS targeted by Clickfix; INETPUB restore script
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My Next Class
Application Security: Securing Web Apps, APIs, and Microservices | Washington | Jul 14th - Jul 19th 2025 |
Application Security: Securing Web Apps, APIs, and Microservices | Las Vegas | Sep 22nd - Sep 27th 2025 |
Extracting With pngdump.py
Didier extended his pngdump.py script to make it easier to extract additional data appended to the end of the image file.
https://isc.sans.edu/diary/Extracting%20With%20pngdump.py/32022
16 React Native Packages for GlueStack Backdoored Overnight
16 npm packages with over a million weekly downloads between them were compromised. The compromised packages include a remote admin tool that was seen before in similar attacks.
https://www.aikido.dev/blog/supply-chain-attack-on-react-native-aria-ecosystem
Atomic MacOS Stealer Exploits Clickfix
MacOS users are now also targeted by fake captchas, tricking users into running exploit code.
https://www.cloudsek.com/blog/amos-variant-distributed-via-clickfix-in-spectrum-themed-dynamic-delivery-campaign-by-russian-speaking-hackers
Microsoft INETPUB Script
Microsoft published a simple PowerShell script to restore the inetpub folder in case you removed it by mistake.
https://www.powershellgallery.com/packages/Set-InetpubFolderAcl/1.0
Application Security: Securing Web Apps, APIs, and Microservices | Washington | Jul 14th - Jul 19th 2025 |
Application Security: Securing Web Apps, APIs, and Microservices | Las Vegas | Sep 22nd - Sep 27th 2025 |
Application Security: Securing Web Apps, APIs, and Microservices | Denver | Oct 4th - Oct 9th 2025 |
Application Security: Securing Web Apps, APIs, and Microservices | Dallas | Dec 1st - Dec 6th 2025 |