Handler on Duty: Didier Stevens
Threat Level: green
Podcast Detail
SANS Stormcast Monday, June 16th, 2025: Katz Stealer in JPG; JavaScript Attacks; Reviving expired Discord Invites for Evil
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/9494.mp3
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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 |
Katz Stealer in JPG
Xavier found some multistage malware that uses an Excel Spreadsheet and an HTA file to load an image that includes embeded a copy of Katz stealer.
https://isc.sans.edu/diary/More+Steganography/32044
https://unit42.paloaltonetworks.com/malicious-javascript-using-jsfiretruck-as-obfuscation/
JavaScript obfuscated with JSF*CK is being used on over 200,000 websites to direct victims to malware
Expired Discord Invite Links Used for Malware Distribution
Expired discord invite links are revived as vanity links to direct victims to malware sites
https://research.checkpoint.com/2025/from-trust-to-threat-hijacked-discord-invites-used-for-multi-stage-malware-delivery/
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 |